// ===================== Core.cs =====================
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Web.Script.Serialization;
using System.Windows.Forms;

namespace Fragline
{
    static class Native
    {
        [DllImport("user32.dll")] public static extern bool SetProcessDPIAware();
        [DllImport("user32.dll")] public static extern IntPtr GetForegroundWindow();
        [DllImport("user32.dll")] public static extern bool RegisterHotKey(IntPtr hWnd, int id, uint mod, uint vk);
        [DllImport("user32.dll")] public static extern bool UnregisterHotKey(IntPtr hWnd, int id);
        [DllImport("user32.dll")] public static extern short GetAsyncKeyState(int vKey);
        [DllImport("dwmapi.dll")] public static extern int DwmSetWindowAttribute(IntPtr hwnd, int attr, ref int val, int size);
        [DllImport("uxtheme.dll", CharSet = CharSet.Unicode)] public static extern int SetWindowTheme(IntPtr hwnd, string app, string idList);
        [DllImport("user32.dll", CharSet = CharSet.Unicode)] public static extern IntPtr SendMessage(IntPtr hWnd, int msg, IntPtr wParam, string lParam);
        [DllImport("user32.dll")] public static extern bool FlashWindowEx(ref FLASHWINFO info);
        [DllImport("user32.dll")] public static extern bool ReleaseCapture();
        [DllImport("user32.dll")] public static extern IntPtr SendMessage(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);
        [DllImport("user32.dll")] public static extern bool GetLastInputInfo(ref LASTINPUTINFO info);
        [DllImport("user32.dll")] public static extern bool DestroyIcon(IntPtr hIcon);
        [DllImport("shell32.dll")] static extern int SHQueryUserNotificationState(out int state);
        [DllImport("gdi32.dll")] public static extern IntPtr AddFontMemResourceEx(IntPtr pbFont, uint cbFont, IntPtr pdv, out uint pcFonts);

        [StructLayout(LayoutKind.Sequential)] public struct FLASHWINFO { public uint cbSize; public IntPtr hwnd; public uint dwFlags; public uint uCount; public uint dwTimeout; }
        [StructLayout(LayoutKind.Sequential)] public struct LASTINPUTINFO { public uint cbSize; public uint dwTime; }

        // Korisnik je u punom zaslonu (igra, prezentacija): tada ne guramo toast obavijesti.
        // QUNS_BUSY=2, QUNS_RUNNING_D3D_FULL_SCREEN=3, QUNS_PRESENTATION_MODE=4
        public static bool FullScreenBusy()
        {
            try { int s; return SHQueryUserNotificationState(out s) == 0 && (s == 2 || s == 3 || s == 4); }
            catch { return false; }
        }

        public static int IdleSeconds()
        {
            try
            {
                var li = new LASTINPUTINFO { cbSize = (uint)Marshal.SizeOf(typeof(LASTINPUTINFO)) };
                if (!GetLastInputInfo(ref li)) return 0;
                return (int)(unchecked((uint)Environment.TickCount - li.dwTime) / 1000);
            }
            catch { return 0; }
        }

        public static void Flash(Form f)
        {
            try
            {
                var fi = new FLASHWINFO { hwnd = f.Handle, dwFlags = 3 | 12, uCount = 0, dwTimeout = 0 };
                fi.cbSize = (uint)Marshal.SizeOf(fi);
                FlashWindowEx(ref fi);
            }
            catch { }
        }
    }

    // Boje i oblici u stilu Discorda
    static class Theme
    {
        public static Color Rail, Bg, Bg2, Panel, Panel2, Panel3, Line, Shadow, Text, Text2, Muted, Accent, Button, OnAccent = Color.White,
            Play = C("#23a55a"), On = C("#23a55a"), Red = C("#f23f43"), Idle = C("#f0b232"), Dnd = C("#f23f43"), Off = C("#80848e"),
            UserBar, Input, Field, Secondary, Track, Link, Menu, MsgHover, Pip, Stage, Canvas, Accent2;
        public static bool Light, Animated, ClassicLayout, SquareAvatars, Dash;

        public static readonly string[] ThemeKeys = { "dash", "nova", "dark", "midnight", "fragline", "xfire", "aurora", "light" };
        public static readonly string[] ThemeNames = { "Ploča (ljubičasto-ružičasta)", "Fragline (kao web)", "Fragline (crna)", "Ponoć (crna)", "Fragline (plava noć)", "Klasična plava (Xfire)", "Aurora (animirana)", "Svijetla" };
        public static readonly string[] LayoutKeys = { "dock", "discord", "xfire" };
        public static readonly string[] LayoutNames = { "Dock (novo)", "Gornja traka", "Klasični (kao Xfire)" };
        public static readonly string[] AccentKeys = { "auto", "sunset", "spot", "neon", "blurple", "orange", "purple", "pink" };
        public static readonly string[] AccentNames = { "Prema temi", "Ljubičasto-ružičasta", "Zelena", "Neon (ljubičasto-cijan)", "Plava", "Narančasta", "Ljubičasta", "Ružičasta" };

        // Postavlja boje teme; mijenja se samo pri pokretanju
        public static void Apply(string theme, string accent)
        {
            Light = theme == "light";
            Animated = theme == "aurora";
            Dash = theme == "dash";
            SquareAvatars = false;
            Text = C("#f2f3f5"); Text2 = C("#dbdee1"); Muted = C("#949ba4"); Link = C("#00a8fc"); Pip = Color.White;
            // statusne boje (vrate se na default; "nova" ih mijenja ispod)
            On = C("#23a55a"); Play = C("#23a55a"); Idle = C("#f0b232"); Dnd = C("#f23f43"); Red = C("#f23f43"); Off = C("#80848e");
            switch (theme)
            {
                case "dash":
                    // "Ploca": tamnoplave staklene kartice na plavo-sivoj podlozi, ljubicasto-ruzicasti naglasak
                    Rail = C("#2b3048"); Panel = C("#363c5a"); Bg = C("#2b3048"); Panel2 = C("#3f4666"); Panel3 = C("#4a5276");
                    Line = C("#424968"); Shadow = C("#161a2b"); UserBar = C("#363c5a"); Input = C("#2f3550"); Field = C("#262b42");
                    Secondary = C("#4a5276"); Track = C("#262b42"); Menu = C("#363c5a"); MsgHover = C("#323852"); Stage = C("#232740");
                    Text = C("#ffffff"); Text2 = C("#d3d7ea"); Muted = C("#9097b5"); Link = C("#b7a6ff");
                    break;
                case "nova":
                    // identično webu (fragline.css): mornarska pozadina + narančasti akcent
                    Rail = C("#0b0d14"); Panel = C("#141826"); Bg = C("#0b0d14"); Panel2 = C("#1b2031"); Panel3 = C("#232940");
                    Line = C("#242a3c"); Shadow = C("#000000"); UserBar = C("#0f121b"); Input = C("#1b2031"); Field = C("#1b2031");
                    Secondary = C("#232940"); Track = C("#1b2031"); Menu = C("#141826"); MsgHover = C("#1b2031"); Stage = C("#0b0d14");
                    Text = C("#eef0f6"); Text2 = C("#dbe0ec"); Muted = C("#8a90a6"); Link = C("#ff8a3d"); Pip = Color.White;
                    On = C("#43d68a"); Play = C("#ffb547"); Idle = C("#ffb547"); Dnd = C("#ff5f6d"); Red = C("#ff5f6d"); Off = C("#8a90a6");
                    SquareAvatars = true;
                    break;
                case "midnight":
                    Rail = C("#000000"); Panel = C("#0a0a0c"); Bg = C("#121214"); Panel2 = C("#1c1c20"); Panel3 = C("#26262b");
                    Line = C("#24242a"); Shadow = C("#000000"); UserBar = C("#050506"); Input = C("#1c1c20"); Field = C("#050506");
                    Secondary = C("#2f3036"); Track = C("#2f3036"); Menu = C("#000000"); MsgHover = C("#18181b"); Stage = C("#000000");
                    break;
                case "fragline":
                    Rail = C("#07090f"); Panel = C("#0f121b"); Bg = C("#141826"); Panel2 = C("#1b2031"); Panel3 = C("#232940");
                    Line = C("#262c40"); Shadow = C("#07090f"); UserBar = C("#0b0d14"); Input = C("#1b2031"); Field = C("#0b0d14");
                    Secondary = C("#2a3150"); Track = C("#2a3150"); Menu = C("#0b0d14"); MsgHover = C("#181c2b"); Stage = C("#07090f");
                    Text = C("#eef0f6"); Muted = C("#8a90a6");
                    break;
                case "xfire":
                    Rail = C("#0a0f17"); Panel = C("#111a28"); Bg = C("#0d131c"); Panel2 = C("#1b2638"); Panel3 = C("#24344d");
                    Line = C("#22304a"); Shadow = C("#05080d"); UserBar = C("#101824"); Input = C("#162131"); Field = C("#0a0f17");
                    Secondary = C("#2b3c58"); Track = C("#2b3c58"); Menu = C("#0d131c"); MsgHover = C("#141d2b"); Stage = C("#070b11");
                    Text = C("#e8eef8"); Text2 = C("#c3cfe0"); Muted = C("#7f8ea6"); Link = C("#6fb4ff");
                    break;
                case "aurora":
                    Rail = C("#05060a"); Panel = C("#0b0d14"); Bg = C("#10121a"); Panel2 = C("#1a1d29"); Panel3 = C("#242838");
                    Line = C("#222636"); Shadow = C("#05060a"); UserBar = C("#07080d"); Input = C("#1a1d29"); Field = C("#07080d");
                    Secondary = C("#2a2f42"); Track = C("#2a2f42"); Menu = C("#07080d"); MsgHover = C("#151824"); Stage = C("#05060a");
                    break;
                case "light":
                    Rail = C("#e9ecf3"); Panel = C("#f6f7fb"); Bg = C("#ffffff"); Panel2 = C("#eef0f6"); Panel3 = C("#e3e7f1");
                    Line = C("#e3e6ee"); Shadow = C("#d9dde7"); UserBar = C("#eef1f7"); Input = C("#eef0f6"); Field = C("#e9ecf3");
                    Secondary = C("#8a93a6"); Track = C("#d3d8e3"); Menu = C("#ffffff"); MsgHover = C("#f4f6fa"); Stage = C("#e9ecf3");
                    Text = C("#12151c"); Text2 = C("#2c3340"); Muted = C("#6a7385"); Link = C("#2f6fe0"); Pip = C("#12151c");
                    break;
                default:
                    // glavna tema: crna kao Spotify (ploce #121212 na crnoj podlozi)
                    Rail = C("#000000"); Panel = C("#121212"); Bg = C("#121212"); Panel2 = C("#1f1f1f"); Panel3 = C("#2a2a2a");
                    Line = C("#282828"); Shadow = C("#000000"); UserBar = C("#000000"); Input = C("#242424"); Field = C("#242424");
                    Secondary = C("#2a2a2a"); Track = C("#4d4d4d"); Menu = C("#282828"); MsgHover = C("#1a1a1a"); Stage = C("#000000");
                    Text = C("#ffffff"); Text2 = C("#b3b3b3"); Muted = C("#a7a7a7"); Link = C("#3d91f4");
                    break;
            }
            Bg2 = Bg;
            Canvas = Light ? Shade(Rail, -0.1f) : Shade(Rail, -0.45f);
            OnAccent = OnColor(Accent);
            if (accent == null || accent == "auto") accent = theme == "dash" ? "sunset" : theme == "nova" ? "nova" : theme == "fragline" || theme == "xfire" ? "orange" : theme == "aurora" ? "purple" : theme == "light" ? "neon" : "spot";
            Accent2 = Color.Empty;
            switch (accent)
            {
                case "nova": Accent = C("#ff8a3d"); Accent2 = C("#ffb547"); break;
                case "sunset": Accent = C("#8b6cf6"); Accent2 = C("#ef5ea8"); break;
                case "spot": Accent = C("#1db954"); Accent2 = C("#1ed760"); break;
                case "neon": Accent = C("#7c5cff"); Accent2 = C("#19c3ff"); break;
                case "orange": Accent = C("#ff7a2f"); break;
                case "green": Accent = C("#248046"); break;
                case "purple": Accent = C("#8e5cf7"); break;
                case "pink": Accent = C("#eb459e"); break;
                default: Accent = C("#5865f2"); break;
            }
            Button = Accent;
            // drugi kraj prijelaza boje (gumbi, odabrane stavke, oblacici poruka)
            if (Accent2 == Color.Empty) Accent2 = Shade(Accent, Light ? -0.2f : 0.3f);
            // Nova (web): narančasti gradijentni gumb s tamnim tekstom (--ontext)
            if (theme == "nova") OnAccent = C("#1b0f04");
        }

        public static float S = 1f;
        static string display = "Segoe UI Semibold", body = "Segoe UI";
        static bool displayBold;
        public static string DisplayFace { get { return display; } }
        static string icons;

        // Ikone iz fonta Segoe MDL2 Assets (Windows 10/11)
        public const string IcoMic = "\uE720", IcoHead = "\uE7F6", IcoGear = "\uE713", IcoPeople = "\uE716", IcoAdd = "\uE710", IcoMsg = "\uE8BD",
            IcoSpeaker = "\uE767", IcoHangup = "\uE778", IcoHistory = "\uE81C", IcoClose = "\uE711", IcoSend = "\uE724", IcoContact = "\uE77B", IcoGame = "\uE7FC", IcoGlobe = "\uE774", IcoCheck = "\uE73E", IcoPhone = "\uE717";

        static Color C(string h) { return ColorTranslator.FromHtml(h); }

        // crni ili bijeli tekst, ovisno o tome koliko je pozadina svijetla (zelena kao Spotify = crni tekst)
        public static Color OnColor(Color c)
        {
            double l = (0.299 * c.R + 0.587 * c.G + 0.114 * c.B) / 255.0;
            return l > 0.55 ? Color.Black : Color.White;
        }

        public static int D(float v) { return (int)Math.Round(v * S); }

        public static void Init()
        {
            using (var g = Graphics.FromHwnd(IntPtr.Zero)) S = Math.Max(1f, g.DpiX / 96f);
            Apply(Prefs.Str("theme", "dash"), Prefs.Str("accent", "auto"));
            ClassicLayout = Prefs.Str("layout", "dock") == "xfire";
            var names = FontFamily.Families.Select(f => f.Name).ToList();
            // Windows 11 ima noviji, moderniji font
            if (names.Contains("Segoe UI Variable Text")) body = "Segoe UI Variable Text";
            if (names.Contains("Segoe UI Variable Display Semibold")) display = "Segoe UI Variable Display Semibold";
            else if (names.Contains("Segoe UI Variable Display")) display = "Segoe UI Variable Display";
            if (names.Contains("Segoe Fluent Icons")) icons = "Segoe Fluent Icons";
            // web brend-fontovi su ugrađeni u exe (Program.LoadFonts) → koristi ih za "nova" (web) izgled
            if (!ClassicLayout && Prefs.Str("theme", "dash") == "nova") { body = "Plus Jakarta Sans"; display = "Chakra Petch"; displayBold = false; }
            // klasicni (Xfire) raspored: cijela aplikacija u Tahomi, kao pravi Xfire
            if (ClassicLayout && names.Contains("Tahoma")) { body = "Tahoma"; display = "Tahoma"; displayBold = true; }
            else if (names.Contains("Segoe MDL2 Assets")) icons = "Segoe MDL2 Assets";
        }

        public static Font Display(float px) { return new Font(display, px * S, displayBold ? FontStyle.Bold : FontStyle.Regular, GraphicsUnit.Pixel); }
        public static bool DisplayBold { get { return displayBold; } }

        // Crta ikonu; bez fonta s ikonama (Windows 7) crta kratki tekst umjesto nje
        public static void Icon(Graphics g, string glyph, string fallback, Rectangle r, Color c, float px)
        {
            const TextFormatFlags fl = TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding;
            if (icons != null)
                using (var f = new Font(icons, px * S, FontStyle.Regular, GraphicsUnit.Pixel)) TextRenderer.DrawText(g, glyph, f, r, c, fl);
            else
                using (var f = Body(Math.Max(9f, px * 0.6f), FontStyle.Bold)) TextRenderer.DrawText(g, fallback, f, r, c, fl);
        }

        // Precrtana ikona (isključen mikrofon ili zvuk)
        public static void Slash(Graphics g, Rectangle r, Color bg)
        {
            var st = g.Save();
            g.SmoothingMode = SmoothingMode.AntiAlias;
            float m = r.Width * 0.22f;
            using (var pen = new Pen(bg, D(4))) g.DrawLine(pen, r.X + m, r.Y + m, r.Right - m, r.Bottom - m);
            using (var pen = new Pen(Red, D(2))) g.DrawLine(pen, r.X + m, r.Y + m, r.Right - m, r.Bottom - m);
            g.Restore(st);
        }

        // zaobljeni rubovi cijele kontrole (za plutajuce kartice u modernom izgledu)
        public static void RoundRegion(Control c, int rad)
        {
            if (c.Width <= 0 || c.Height <= 0) return;
            var old = c.Region;
            using (var p = Round(new RectangleF(0, 0, c.Width, c.Height), rad)) c.Region = new Region(p);
            if (old != null) old.Dispose();
        }

        public static void Cue(TextBox tb, string text)
        {
            EventHandler h = (s, e) => { try { Native.SendMessage(tb.Handle, 0x1501, (IntPtr)1, text); } catch { } };
            if (tb.IsHandleCreated) h(tb, EventArgs.Empty); else tb.HandleCreated += h;
        }

        // Status za točkicu: online, idle, dnd ili off
        public static string Kind(string status, string presence)
        {
            if (status == null || status == "off") return "off";
            if (presence == "dnd") return "dnd";
            if (presence == "idle") return "idle";
            return "online";
        }

        public static string KindText(string kind)
        {
            switch (kind)
            {
                case "idle": return "Odsutan";
                case "dnd": return "Ne smetaj";
                case "invisible": return "Nevidljiv";
                case "off": return "Offline";
                default: return "Online";
            }
        }

        public static Color KindColor(string kind)
        {
            switch (kind)
            {
                case "idle": return Idle;
                case "dnd": return Dnd;
                case "off": case "invisible": return Off;
                default: return On;
            }
        }

        public static void StatusDot(Graphics g, RectangleF dr, string kind, Color ringBg)
        {
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var ring = dr;
            ring.Inflate(dr.Width * 0.2f, dr.Width * 0.2f);
            using (var b = new SolidBrush(ringBg)) g.FillEllipse(b, ring);
            using (var b = new SolidBrush(KindColor(kind))) g.FillEllipse(b, dr);
            using (var cut = new SolidBrush(ringBg))
            {
                if (kind == "idle") g.FillEllipse(cut, dr.X - dr.Width * 0.12f, dr.Y - dr.Height * 0.12f, dr.Width * 0.62f, dr.Height * 0.62f);
                else if (kind == "dnd")
                    using (var p = Round(new RectangleF(dr.X + dr.Width * 0.2f, dr.Y + dr.Height * 0.4f, dr.Width * 0.6f, dr.Height * 0.2f), dr.Height * 0.1f)) g.FillPath(cut, p);
                else if (kind == "off" || kind == "invisible")
                {
                    var inner = dr;
                    inner.Inflate(-dr.Width * 0.25f, -dr.Height * 0.25f);
                    g.FillEllipse(cut, inner);
                }
            }
        }

        static readonly Dictionary<string, Bitmap> masks = new Dictionary<string, Bitmap>();

        // Slika izrezana u krug (rad < 0) ili zaobljeni pravokutnik, spremljena za ponovno crtanje.
        // Tako na platno ne treba stavljati clip, koji je znao "pojesti" tekst iscrtan nakon slike.
        public static Image Masked(Image img, int w, int h, float rad)
        {
            if (img == null || w <= 0 || h <= 0) return img;
            var key = System.Runtime.CompilerServices.RuntimeHelpers.GetHashCode(img) + ":" + w + "x" + h + ":" + rad;
            lock (masks)
            {
                Bitmap cached;
                if (masks.TryGetValue(key, out cached)) return cached;
            }
            var bmp = new Bitmap(w, h, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
            using (var scaled = new Bitmap(w, h))
            {
                using (var gs = Graphics.FromImage(scaled))
                {
                    gs.InterpolationMode = InterpolationMode.HighQualityBicubic;
                    gs.PixelOffsetMode = PixelOffsetMode.HighQuality;
                    gs.DrawImage(img, 0, 0, w, h);
                }
                using (var g = Graphics.FromImage(bmp))
                using (var tb = new TextureBrush(scaled))
                using (var p = rad < 0 ? new GraphicsPath() : Round(new RectangleF(0, 0, w, h), rad))
                {
                    g.SmoothingMode = SmoothingMode.AntiAlias;
                    if (rad < 0) p.AddEllipse(0, 0, w, h);
                    g.FillPath(tb, p);
                }
            }
            lock (masks) masks[key] = bmp;
            return bmp;
        }

        // Okrugli avatar: slika s weba ili inicijal na boji korisnika, s točkicom statusa
        public static void Avatar(Graphics g, RectangleF r, string colorHex, string name, string url, Control notify, string kind, Color ringBg)
        {
            var st = g.Save();
            g.SmoothingMode = SmoothingMode.AntiAlias;
            // web koristi zaobljene kvadrate (radius ~30 %), a ne krugove
            float arad = SquareAvatars ? r.Width * 0.3f : -1f;
            var img = ImageCache.Get(url, notify);
            if (img != null)
            {
                int w = (int)Math.Round(r.Width), h = (int)Math.Round(r.Height);
                g.DrawImage(Masked(img, w, h, arad), (int)Math.Round(r.X), (int)Math.Round(r.Y), w, h);
            }
            else
            {
                var c = Hex(colorHex, Off);
                if (SquareAvatars) using (var p = Round(r, arad)) using (var b = new SolidBrush(c)) g.FillPath(b, p);
                else using (var b = new SolidBrush(c)) g.FillEllipse(b, r);
                var init = string.IsNullOrEmpty(name) ? "?" : name.Substring(0, 1).ToUpperInvariant();
                using (var f = new Font(display, Math.Max(6f, r.Height * 0.42f), FontStyle.Regular, GraphicsUnit.Pixel))
                    TextRenderer.DrawText(g, init, f, Rectangle.Round(r), Color.White, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
            }
            g.Restore(st);
            if (kind == null) return;
            float ds = Math.Max(D(8), r.Width * 0.3f);
            StatusDot(g, new RectangleF(r.Right - ds * 0.85f, r.Bottom - ds * 0.85f, ds, ds), kind, ringBg);
        }

        public static void Pill(Graphics g, string txt, Rectangle at, bool rightAlign, Color ring)
        {
            using (var f = Body(11.5f, FontStyle.Bold))
            {
                var sz = TextRenderer.MeasureText(txt, f);
                int h = D(16), w = Math.Max(h, sz.Width + D(4));
                var r = new Rectangle(rightAlign ? at.Right - w : at.X, at.Y + (at.Height - h) / 2, w, h);
                g.SmoothingMode = SmoothingMode.AntiAlias;
                if (ring != Color.Empty)
                {
                    var rr = r; rr.Inflate(D(3), D(3));
                    using (var p = Round(rr, rr.Height / 2f)) using (var b = new SolidBrush(ring)) g.FillPath(b, p);
                }
                using (var p = Round(r, h / 2f)) using (var b = new SolidBrush(Red)) g.FillPath(b, p);
                TextRenderer.DrawText(g, txt, f, r, Color.White, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
            }
        }
        public static Font Body(float px, FontStyle st = FontStyle.Regular) { return new Font(body, px * S, st, GraphicsUnit.Pixel); }

        public static GraphicsPath Round(RectangleF r, float rad)
        {
            var p = new GraphicsPath();
            float d = Math.Max(1f, Math.Min(rad * 2, Math.Min(r.Width, r.Height)));
            p.AddArc(r.X, r.Y, d, d, 180, 90);
            p.AddArc(r.Right - d, r.Y, d, d, 270, 90);
            p.AddArc(r.Right - d, r.Bottom - d, d, d, 0, 90);
            p.AddArc(r.X, r.Bottom - d, d, d, 90, 90);
            p.CloseFigure();
            return p;
        }

        public static void DrawFlame(Graphics g, RectangleF box)
        {
            var st = g.Save();
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.TranslateTransform(box.X, box.Y);
            g.ScaleTransform(box.Width / 24f, box.Height / 24f);
            g.TranslateTransform(-4f, -2f);
            using (var o = new GraphicsPath())
            {
                o.AddBezier(16, 3, 18, 8, 24, 10, 24, 17);
                o.AddArc(8, 9, 16, 16, 0, 180);
                o.AddBezier(8, 17, 8, 13, 10, 11, 11, 9);
                o.AddBezier(11, 9, 12, 12, 13, 13, 15, 13);
                o.AddBezier(15, 13, 14, 9, 14, 6, 16, 3);
                o.CloseFigure();
                using (var b = new SolidBrush(Color.FromArgb(255, 122, 47))) g.FillPath(b, o);
            }
            using (var i = new GraphicsPath())
            {
                i.AddBezier(16, 15, 17, 18, 20, 18, 20, 22);
                i.AddArc(12, 18, 8, 8, 0, 180);
                i.AddBezier(12, 22, 12, 20, 14, 18, 16, 15);
                i.CloseFigure();
                using (var b = new SolidBrush(Color.FromArgb(255, 209, 102))) g.FillPath(b, i);
            }
            g.Restore(st);
        }

        // Kartica s mekom sjenom (staklene plohe nadzorne ploce)
        public static void Card(Graphics g, Rectangle r, float rad, Color fill)
        {
            var st = g.Save();
            g.SmoothingMode = SmoothingMode.AntiAlias;
            for (int i = 3; i >= 1; i--)
            {
                var sr = r; sr.Offset(0, D(i * 2)); sr.Inflate(D(i), D(i));
                using (var p = Round(sr, rad + D(i))) using (var b = new SolidBrush(Color.FromArgb(22, Shadow))) g.FillPath(b, p);
            }
            using (var p = Round(r, rad))
            {
                using (var b = new LinearGradientBrush(new Rectangle(r.X, r.Y - 1, r.Width, r.Height + 2), Shade(fill, Light ? 0 : 0.05f), fill, 90f)) g.FillPath(b, p);
                using (var pen = new Pen(Color.FromArgb(Light ? 40 : 20, Light ? Color.Black : Color.White))) g.DrawPath(pen, p);
            }
            g.Restore(st);
        }

        // Mala strelica (otvoreno = prema dolje), crtana, da ne ovisi o znakovima iz fonta
        // Kvacica nacrtana linijama (ne ovisi o fontu sa simbolima); px je velicina kao kod Icon
        public static void Check(Graphics g, RectangleF r, Color c, float px)
        {
            var st = g.Save();
            g.SmoothingMode = SmoothingMode.AntiAlias;
            float s = D(px) * 0.42f, cx = r.X + r.Width / 2f, cy = r.Y + r.Height / 2f + s * 0.08f;
            using (var pen = new Pen(c, Math.Max(1.5f, D(px) * 0.15f)) { StartCap = LineCap.Round, EndCap = LineCap.Round, LineJoin = LineJoin.Round })
                g.DrawLines(pen, new[] { new PointF(cx - s, cy), new PointF(cx - s * 0.32f, cy + s * 0.68f), new PointF(cx + s, cy - s * 0.68f) });
            g.Restore(st);
        }

        public static void Chevron(Graphics g, RectangleF r, bool open, Color c)
        {
            var st = g.Save();
            g.SmoothingMode = SmoothingMode.AntiAlias;
            float cx = r.X + r.Width / 2f, cy = r.Y + r.Height / 2f, s = Math.Min(r.Width, r.Height) * 0.28f;
            using (var pen = new Pen(c, Math.Max(1.5f, D(1.6f))) { StartCap = LineCap.Round, EndCap = LineCap.Round, LineJoin = LineJoin.Round })
            {
                if (open) g.DrawLines(pen, new[] { new PointF(cx - s, cy - s / 2), new PointF(cx, cy + s / 2), new PointF(cx + s, cy - s / 2) });
                else g.DrawLines(pen, new[] { new PointF(cx - s / 2, cy - s), new PointF(cx + s / 2, cy), new PointF(cx - s / 2, cy + s) });
            }
            g.Restore(st);
        }

        // FontFamily baca iznimku ako font ne postoji (npr. stariji Windows), pa uzmi zamjenski
        static FontFamily SafeFamily(string name)
        {
            try { return new FontFamily(name); }
            catch { try { return new FontFamily("Segoe UI"); } catch { return new FontFamily(System.Drawing.Text.GenericFontFamilies.SansSerif); } }
        }

        // Natpis "Fragline": oba dijela iz istog vektorskog puta, pa su uvijek u istoj liniji
        public static void Wordmark(Graphics g, float x, float centerY, float px, Color first)
        {
            var st = g.Save();
            g.SmoothingMode = SmoothingMode.AntiAlias;
            using (var fam = SafeFamily(DisplayFace))
            using (var a = new GraphicsPath())
            using (var b = new GraphicsPath())
            {
                var style = displayBold ? FontStyle.Bold : FontStyle.Regular;
                float em = px * S;
                a.AddString("Frag", fam, (int)style, em, new PointF(0, 0), StringFormat.GenericTypographic);
                var ab = a.GetBounds();
                b.AddString("line", fam, (int)style, em, new PointF(ab.Right + em * 0.03f, 0), StringFormat.GenericTypographic);
                var all = RectangleF.Union(ab, b.GetBounds());
                using (var m = new Matrix())
                {
                    m.Translate(x - all.X, centerY - all.Y - all.Height / 2f);
                    a.Transform(m);
                    b.Transform(m);
                }
                using (var br = new SolidBrush(first)) g.FillPath(br, a);
                var bb = b.GetBounds();
                using (var br = new LinearGradientBrush(new RectangleF(bb.X - 1, bb.Y, bb.Width + 2, bb.Height), Accent, Accent2, 0f)) g.FillPath(br, b);
            }
            g.Restore(st);
        }

        public static void DarkTitle(Form f)
        {
            // Windows 11: zaobljeni kutovi prozora
            try { int round = 2; Native.DwmSetWindowAttribute(f.Handle, 33, ref round, 4); } catch { }
            if (Light) return;
            try
            {
                int on = 1;
                if (Native.DwmSetWindowAttribute(f.Handle, 20, ref on, 4) != 0) Native.DwmSetWindowAttribute(f.Handle, 19, ref on, 4);
            }
            catch { }
            if (ClassicLayout) return;
            // Windows 11: naslovna traka u boji pozadine i rub prozora u boji naglaska (COLORREF = 0x00BBGGRR)
            try
            {
                int cap = Bg.R | (Bg.G << 8) | (Bg.B << 16), edge = Accent.R | (Accent.G << 8) | (Accent.B << 16), txt = Text.R | (Text.G << 8) | (Text.B << 16);
                Native.DwmSetWindowAttribute(f.Handle, 35, ref cap, 4);
                Native.DwmSetWindowAttribute(f.Handle, 34, ref edge, 4);
                Native.DwmSetWindowAttribute(f.Handle, 36, ref txt, 4);
            }
            catch { }
        }

        public static void DarkScroll(Control c)
        {
            if (Light) return;
            EventHandler h = (s, e) => { try { Native.SetWindowTheme(c.Handle, "DarkMode_Explorer", null); } catch { } };
            if (c.IsHandleCreated) h(c, EventArgs.Empty); else c.HandleCreated += h;
        }

        public static Color Shade(Color c, float f)
        {
            Func<int, int> m = v => Math.Max(0, Math.Min(255, f >= 0 ? (int)(v + (255 - v) * f) : (int)(v * (1 + f))));
            return Color.FromArgb(c.A, m(c.R), m(c.G), m(c.B));
        }

        public static Color Hex(string h, Color fallback)
        {
            try { return string.IsNullOrEmpty(h) ? fallback : ColorTranslator.FromHtml(h); } catch { return fallback; }
        }

        public static string Since(string iso)
        {
            DateTimeOffset d;
            if (string.IsNullOrEmpty(iso) || !DateTimeOffset.TryParse(iso, CultureInfo.InvariantCulture, DateTimeStyles.None, out d)) return null;
            int m = Math.Max(1, (int)Math.Round((DateTimeOffset.UtcNow - d).TotalMinutes));
            return m < 60 ? m + " min" : (m / 60) + " h" + (m % 60 > 0 ? " " + (m % 60) + " min" : "");
        }
    }

    // Animacija za temu "Aurora": boje koje polako putuju kroz duginu paletu
    static class Anim
    {
        public static float Phase;
        static Timer timer;
        public static event Action Frame;

        public static void Start()
        {
            if (!Theme.Animated || timer != null) return;
            timer = new Timer { Interval = 40 };
            timer.Tick += (s, e) => { Phase = (Phase + 0.04f / 14f) % 1f; if (Frame != null) Frame(); };
            timer.Start();
        }

        // Kontrola se ponovno iscrtava na svaki korak animacije (samo dok je vidljiva)
        public static void Hook(Control c, Func<Rectangle> area = null)
        {
            if (!Theme.Animated) return;
            Frame += () =>
            {
                if (c.IsDisposed || !c.IsHandleCreated || !c.Visible) return;
                var f = c.FindForm();
                if (f != null && (!f.Visible || f.WindowState == FormWindowState.Minimized)) return;
                if (area == null) c.Invalidate(); else c.Invalidate(area());
            };
        }

        public static Color Hue(float offset, float sat, float val)
        {
            float h = ((Phase + offset) % 1f + 1f) % 1f * 6f;
            int i = (int)h;
            float f = h - i, p = val * (1 - sat), q = val * (1 - sat * f), t = val * (1 - sat * (1 - f));
            float r, g, b;
            switch (i % 6)
            {
                case 0: r = val; g = t; b = p; break;
                case 1: r = q; g = val; b = p; break;
                case 2: r = p; g = val; b = t; break;
                case 3: r = p; g = q; b = val; break;
                case 4: r = t; g = p; b = val; break;
                default: r = val; g = p; b = q; break;
            }
            return Color.FromArgb((int)(r * 255), (int)(g * 255), (int)(b * 255));
        }

        // Pozadina od dvije boje koje se miješaju i polako mijenjaju
        public static void Fill(Graphics g, Rectangle r, float sat, float val, float angle)
        {
            if (r.Width <= 0 || r.Height <= 0) return;
            using (var b = new LinearGradientBrush(r, Hue(0f, sat, val), Hue(0.28f, sat, val * 0.75f), angle))
            {
                var blend = new ColorBlend(3);
                blend.Colors = new[] { Hue(0f, sat, val), Hue(0.14f, sat * 0.9f, val * 0.6f), Hue(0.28f, sat, val * 0.85f) };
                blend.Positions = new[] { 0f, 0.5f, 1f };
                b.InterpolationColors = blend;
                g.FillRectangle(b, r);
            }
        }
    }

    static class Program
    {
        public static Icon AppIcon;
        static readonly Dictionary<string, Assembly> loaded = new Dictionary<string, Assembly>();

        [STAThread]
        static void Main(string[] args)
        {
            AppDomain.CurrentDomain.AssemblyResolve += Resolve;
            Run(args);
        }

        // Ugrađeni web fontovi (Chakra Petch, Plus Jakarta Sans) — registriramo ih
        // za cijeli proces (GDI + GDI+), pa rade i s TextRenderer.DrawText.
        static void LoadFonts()
        {
            var asm = Assembly.GetExecutingAssembly();
            foreach (var n in asm.GetManifestResourceNames())
            {
                if (!n.StartsWith("font.") || !n.EndsWith(".ttf", StringComparison.OrdinalIgnoreCase)) continue;
                try
                {
                    using (var st = asm.GetManifestResourceStream(n))
                    {
                        var buf = new byte[st.Length];
                        int read = 0;
                        while (read < buf.Length) { int k = st.Read(buf, read, buf.Length - read); if (k <= 0) break; read += k; }
                        var p = System.Runtime.InteropServices.Marshal.AllocCoTaskMem(buf.Length);
                        System.Runtime.InteropServices.Marshal.Copy(buf, 0, p, buf.Length);
                        uint c;
                        Native.AddFontMemResourceEx(p, (uint)buf.Length, IntPtr.Zero, out c);
                        // p se namjerno ne oslobađa — font mora živjeti do kraja procesa
                    }
                }
                catch { }
            }
        }

        // NAudio i Opus su ugradjeni u exe kao resursi
        static Assembly Resolve(object sender, ResolveEventArgs e)
        {
            var name = new AssemblyName(e.Name).Name;
            lock (loaded)
            {
                Assembly a;
                if (loaded.TryGetValue(name, out a)) return a;
                using (var st = Assembly.GetExecutingAssembly().GetManifestResourceStream("lib." + name + ".dll"))
                {
                    if (st == null) return null;
                    var buf = new byte[st.Length];
                    int read = 0;
                    while (read < buf.Length) { int n = st.Read(buf, read, buf.Length - read); if (n <= 0) break; read += n; }
                    a = Assembly.Load(buf);
                    loaded[name] = a;
                    return a;
                }
            }
        }

        [MethodImpl(MethodImplOptions.NoInlining)]
        static void Run(string[] args)
        {
            bool created;
            try { Native.SetProcessDPIAware(); } catch { }
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            LoadFonts();
            Prefs.Load();
            Theme.Init();
            AppIcon = LoadIcon();
            using (var mutex = new System.Threading.Mutex(true, "FraglineClient", out created))
            {
                // nakon "Primijeni i ponovno pokreni" stara instanca se jos gasi, pa pricekaj nju
                if (!created && args.Contains("--restarted"))
                {
                    try { created = mutex.WaitOne(10000); }
                    catch (System.Threading.AbandonedMutexException) { created = true; }
                }
                if (created)
                {
                    try { var old = Application.ExecutablePath + ".old"; if (File.Exists(old)) File.Delete(old); } catch { }
                }
                if (!created)
                {
                    Dialog.Info(null, "Fragline već radi", "Fragline je već pokrenut. Dvoklikni na ikonu plamena dolje desno kraj sata da ga otvoriš.");
                    return;
                }
                ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
                Anim.Start();
                Application.Run(new TrayApp(args.Contains("--tray")));
            }
        }

        static Icon LoadIcon()
        {
#if HAS_ICON
            try { return Icon.ExtractAssociatedIcon(Application.ExecutablePath); } catch { }
#endif
            var bmp = new Bitmap(32, 32);
            using (var g = Graphics.FromImage(bmp))
            {
                g.Clear(Color.Transparent);
                Theme.DrawFlame(g, new RectangleF(0, 0, 32, 32));
            }
            return Icon.FromHandle(bmp.GetHicon());
        }
    }

    static class J
    {
        static readonly JavaScriptSerializer js = new JavaScriptSerializer { MaxJsonLength = 8 * 1024 * 1024 };
        public static object Parse(string s) { try { return js.DeserializeObject(s); } catch { return null; } }
        public static string Ser(object o) { return js.Serialize(o); }
        public static Dictionary<string, object> D(object o, string k)
        {
            var d = o as Dictionary<string, object>; object v;
            return d != null && d.TryGetValue(k, out v) ? v as Dictionary<string, object> : null;
        }
        public static object[] A(object o, string k)
        {
            var d = o as Dictionary<string, object>; object v;
            if (d != null && d.TryGetValue(k, out v)) return v as object[] ?? new object[0];
            return new object[0];
        }
        public static string S(object o, string k)
        {
            var d = o as Dictionary<string, object>; object v;
            return d != null && d.TryGetValue(k, out v) && v != null ? Convert.ToString(v, CultureInfo.InvariantCulture) : null;
        }
        public static long L(object o, string k)
        {
            long r;
            return long.TryParse(S(o, k), NumberStyles.Any, CultureInfo.InvariantCulture, out r) ? r : 0;
        }
        public static bool B(object o, string k)
        {
            var d = o as Dictionary<string, object>; object v;
            return d != null && d.TryGetValue(k, out v) && v is bool && (bool)v;
        }
    }

    static class Prefs
    {
        static readonly string PrefFile = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "Fragline", "prefs.txt");
        static readonly Dictionary<string, string> v = new Dictionary<string, string>();
        public static void Load()
        {
            try
            {
                foreach (var line in File.ReadAllLines(PrefFile))
                {
                    int i = line.IndexOf('=');
                    if (i > 0) v[line.Substring(0, i)] = line.Substring(i + 1);
                }
            }
            catch { }
        }
        static void Save()
        {
            try
            {
                Directory.CreateDirectory(Path.GetDirectoryName(PrefFile));
                File.WriteAllLines(PrefFile, v.Select(kv => kv.Key + "=" + kv.Value).ToArray());
            }
            catch { }
        }
        public static bool Bool(string k, bool d) { string s; return v.TryGetValue(k, out s) ? s == "1" : d; }
        public static string Str(string k, string d) { string s; return v.TryGetValue(k, out s) && s.Length > 0 ? s : d; }
        public static int Int(string k, int d) { string s; int r; return v.TryGetValue(k, out s) && int.TryParse(s, out r) ? r : d; }
        public static float Float(string k, float d)
        {
            string s; float r;
            return v.TryGetValue(k, out s) && float.TryParse(s, NumberStyles.Float, CultureInfo.InvariantCulture, out r) ? r : d;
        }
        public static void Set(string k, object val)
        {
            v[k] = val is bool ? ((bool)val ? "1" : "0") : Convert.ToString(val, CultureInfo.InvariantCulture);
            Save();
        }
    }

    static class ImageCache
    {
        static readonly Dictionary<string, Image> map = new Dictionary<string, Image>();
        static readonly Dictionary<string, DateTime> failed = new Dictionary<string, DateTime>();
        static readonly HashSet<string> pending = new HashSet<string>();
        public static Image Get(string url, Control notify)
        {
            if (string.IsNullOrEmpty(url)) return null;
            lock (map)
            {
                Image img;
                if (map.TryGetValue(url, out img) && img != null) return img;
                DateTime when;
                if (failed.TryGetValue(url, out when) && (DateTime.UtcNow - when).TotalSeconds < 60) return null;
                if (pending.Contains(url)) return null;
                pending.Add(url);
            }
            Task.Run(() =>
            {
                Image result = null;
                try
                {
                    using (var wc = new WebClient())
                    {
                        var bytes = wc.DownloadData(url);
                        using (var ms = new MemoryStream(bytes))
                        using (var src = Image.FromStream(ms))
                            result = new Bitmap(src);
                    }
                }
                catch { }
                lock (map)
                {
                    map[url] = result;
                    pending.Remove(url);
                    if (result == null) failed[url] = DateTime.UtcNow; else failed.Remove(url);
                }
                if (result != null && notify != null && notify.IsHandleCreated)
                {
                    try { notify.BeginInvoke((Action)(() => notify.Invalidate())); } catch { }
                }
            });
            return null;
        }
    }

    static class Api
    {
#if PREVIEW
        // samo probna verzija za razvoj: adresa servera iz okoline
        public static readonly string Base = Environment.GetEnvironmentVariable("FRAGLINE_BASE") ?? "http://95.211.43.191:8080";
#else
        public const string Base = "http://95.211.43.191:8080";
#endif

        static string Esc(string s)
        {
            var sb = new StringBuilder();
            foreach (var c in s)
            {
                if (c == '"') sb.Append("\\\"");
                else if (c == '\\') sb.Append("\\\\");
                else if (c < 32) sb.AppendFormat("\\u{0:x4}", (int)c);
                else sb.Append(c);
            }
            return sb.ToString();
        }

        static WebClient Client(string token)
        {
            var wc = new WebClient { Encoding = Encoding.UTF8 };
            wc.Headers[HttpRequestHeader.Accept] = "application/json";
            if (token != null) wc.Headers[HttpRequestHeader.Authorization] = "Bearer " + token;
            return wc;
        }

        static string Post(string path, string json, string token)
        {
            using (var wc = Client(token))
            {
                wc.Headers[HttpRequestHeader.ContentType] = "application/json";
                return wc.UploadString(Base + path, "POST", json);
            }
        }

        public static string Get(string path, string token)
        {
            using (var wc = Client(token)) return wc.DownloadString(Base + path);
        }

        public static string PostJ(string path, object body, string token) { return Post(path, J.Ser(body), token); }

        public static string Field(string json, string name)
        {
            var m = Regex.Match(json ?? "", "\"" + name + "\"\\s*:\\s*(null|\"((?:[^\"\\\\]|\\\\.)*)\")");
            if (!m.Success || m.Groups[1].Value == "null") return null;
            return Regex.Unescape(m.Groups[2].Value);
        }

        public static string ErrorMessage(WebException e)
        {
            try
            {
                if (e.Response != null)
                    using (var r = new StreamReader(e.Response.GetResponseStream()))
                    {
                        var msg = Field(r.ReadToEnd(), "message");
                        // Laravel dodaje "(and 2 more errors)", a nama treba samo prva poruka
                        if (!string.IsNullOrEmpty(msg)) return Regex.Replace(msg, @"\s*\(and \d+ more errors?\)$", "");
                    }
            }
            catch { }
            return "Nema veze sa serverom.";
        }

        public static int Status(WebException e)
        {
            var r = e.Response as HttpWebResponse;
            return r == null ? 0 : (int)r.StatusCode;
        }

        public static string Login(string user, string pass)
        {
            return Post("/client/login", "{\"username\":\"" + Esc(user) + "\",\"password\":\"" + Esc(pass) + "\"}", null);
        }

        public static string Heartbeat(string token, string[] procs, string presence)
        {
            return Post("/client/heartbeat", "{\"presence\":\"" + Esc(presence ?? "online") + "\",\"processes\":[" + string.Join(",", procs.Select(p => "\"" + Esc(p) + "\"")) + "]}", token);
        }

        public static string Upload(string token, string file) { return UploadTo("/client/screenshot", token, file); }

        public static string UploadTo(string path, string token, string file)
        {
            using (var wc = Client(token))
                return Encoding.UTF8.GetString(wc.UploadFile(Base + path, "POST", file));
        }
    }

    class Friend { public string Username, Color, Avatar, Presence, Status, Game, GameIcon, Since, Voice; public int Unread; public string Kind { get { return Theme.Kind(Status, Presence); } } }
    class VRoom { public string Key, Label, Owner, Privacy; public bool Custom, Mine; public int Limit; public List<VMember> Members = new List<VMember>(); }
    class VMember { public string Name, Color, Avatar; public bool Speaking; }
    class FriendReq { public long Id; public string Username, Color, Avatar; public bool Incoming; }
    class ChatMsg { public long Id; public bool Mine; public string Body; public DateTime At; }
    class NotifItem { public string Id, Who, WhoColor, Text, Extra, Icon, Url, Ago; public bool New; }
    class LfgItem { public long Id; public string Game, GameName, Author, Note; public int Slots, ExpiresMin; public List<string> Joined = new List<string>(); public bool Mine, JoinedByMe; }

    // Kratki zvuk za novu poruku, napravljen u memoriji
    static class Ding
    {
        static byte[] wav, ringIn, ringOut;
        static System.Media.SoundPlayer loop;

        // Zvonjenje dok traje poziv (dolazni ili odlazni), u petlji dok se ne zaustavi
        public static void Ring(bool incoming)
        {
            StopRing();
            try
            {
                if (incoming && ringIn == null) ringIn = Pattern(true);
                if (!incoming && ringOut == null) ringOut = Pattern(false);
                loop = new System.Media.SoundPlayer(new MemoryStream(incoming ? ringIn : ringOut));
                loop.PlayLooping();
            }
            catch { }
        }

        public static void StopRing()
        {
            try { if (loop != null) loop.Stop(); } catch { }
            loop = null;
        }

        static byte[] Pattern(bool incoming)
        {
            const int rate = 22050;
            var pcm = new List<short>();
            Action<double, double, double, double> tone = (f1, f2, dur, vol) =>
            {
                int n = (int)(rate * dur);
                for (int i = 0; i < n; i++)
                {
                    double t = (double)i / rate, env = Math.Min(1.0, Math.Min(i, n - i) / (rate * 0.01));
                    pcm.Add((short)((Math.Sin(2 * Math.PI * f1 * t) + Math.Sin(2 * Math.PI * f2 * t)) * 0.5 * env * vol * short.MaxValue));
                }
            };
            Action<double> pause = dur => { for (int i = 0; i < (int)(rate * dur); i++) pcm.Add(0); };
            if (incoming)
            {
                // dva kratka zvona pa stanka, kao telefon
                for (int k = 0; k < 2; k++) { tone(784, 988, 0.12, 0.28); pause(0.04); tone(988, 1175, 0.16, 0.28); pause(0.18); }
                pause(1.2);
            }
            else
            {
                // ton zvonjenja koji cuje pozivatelj
                tone(425, 450, 1.0, 0.12);
                pause(2.0);
            }
            return ToWav(pcm, rate);
        }

        static byte[] ToWav(List<short> pcm, int rate)
        {
            using (var ms = new MemoryStream())
            using (var w = new BinaryWriter(ms))
            {
                w.Write(Encoding.ASCII.GetBytes("RIFF")); w.Write(36 + pcm.Count * 2); w.Write(Encoding.ASCII.GetBytes("WAVEfmt "));
                w.Write(16); w.Write((short)1); w.Write((short)1); w.Write(rate); w.Write(rate * 2); w.Write((short)2); w.Write((short)16);
                w.Write(Encoding.ASCII.GetBytes("data")); w.Write(pcm.Count * 2);
                foreach (var s in pcm) w.Write(s);
                w.Flush();
                return ms.ToArray();
            }
        }

        public static void Play()
        {
            try
            {
                if (wav == null) wav = Make();
                new System.Media.SoundPlayer(new MemoryStream(wav)).Play();
            }
            catch { }
        }

        static byte[] Make()
        {
            const int rate = 22050;
            var pcm = new List<short>();
            Action<double, double> tone = (freq, dur) =>
            {
                int n = (int)(rate * dur);
                for (int i = 0; i < n; i++)
                {
                    double t = (double)i / rate, env = Math.Min(1.0, i / (rate * 0.004)) * Math.Exp(-t * 16);
                    pcm.Add((short)(Math.Sin(2 * Math.PI * freq * t) * env * 0.3 * short.MaxValue));
                }
            };
            tone(988, 0.11);
            tone(1319, 0.24);
            using (var ms = new MemoryStream())
            using (var w = new BinaryWriter(ms))
            {
                w.Write(Encoding.ASCII.GetBytes("RIFF")); w.Write(36 + pcm.Count * 2); w.Write(Encoding.ASCII.GetBytes("WAVEfmt "));
                w.Write(16); w.Write((short)1); w.Write((short)1); w.Write(rate); w.Write(rate * 2); w.Write((short)2); w.Write((short)16);
                w.Write(Encoding.ASCII.GetBytes("data")); w.Write(pcm.Count * 2);
                foreach (var s in pcm) w.Write(s);
                w.Flush();
                return ms.ToArray();
            }
        }
    }
}

// ===================== Controls.cs =====================
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

namespace Fragline
{
    // Glatki prijelaz 0..1 (hover, fokus, prekidac); tajmer radi samo dok animacija traje
    class Fx
    {
        readonly Control c;
        readonly System.Windows.Forms.Timer t = new System.Windows.Forms.Timer { Interval = 15 };
        readonly float speed;
        float target;
        public float V;

        public Fx(Control c, float speed = 0.3f)
        {
            this.c = c;
            this.speed = speed;
            t.Tick += (s, e) =>
            {
                V += (target - V) * this.speed;
                if (Math.Abs(target - V) < 0.02f) { V = target; t.Stop(); }
                if (!c.IsDisposed) c.Invalidate();
            };
            c.Disposed += (s, e) => t.Dispose();
        }

        public void To(float v)
        {
            if (v == target) return;
            target = v;
            if (Theme.ClassicLayout || !c.IsHandleCreated || !c.Visible) { V = v; c.Invalidate(); return; }
            t.Start();
        }

        public void Set(float v) { target = v; V = v; t.Stop(); c.Invalidate(); }

        public static Color Mix(Color a, Color b, float k)
        {
            k = Math.Max(0f, Math.Min(1f, k));
            return Color.FromArgb((int)(a.A + (b.A - a.A) * k), (int)(a.R + (b.R - a.R) * k), (int)(a.G + (b.G - a.G) * k), (int)(a.B + (b.B - a.B) * k));
        }

        // obrub u prijelazu boje (za fokus i otvorene izbornike)
        public static void GlowBorder(Graphics g, GraphicsPath p, RectangleF r, float k, float width)
        {
            if (k <= 0.01f) return;
            int a = (int)(255 * k);
            using (var br = new LinearGradientBrush(new RectangleF(r.X - 1, r.Y - 1, r.Width + 2, r.Height + 2), Color.FromArgb(a, Theme.Accent), Color.FromArgb(a, Theme.Accent2), 0f))
            using (var pen = new Pen(br, width)) g.DrawPath(pen, p);
        }

        // staklena povrsina: blagi sjaj gore koji se gubi prema sredini
        public static void Gloss(Graphics g, GraphicsPath p, RectangleF r, int alpha)
        {
            var st = g.Save();
            g.SetClip(p, CombineMode.Intersect);
            var top = new RectangleF(r.X, r.Y, r.Width, r.Height * 0.55f + 1);
            using (var b = new LinearGradientBrush(top, Color.FromArgb(alpha, 255, 255, 255), Color.FromArgb(0, 255, 255, 255), 90f)) g.FillRectangle(b, top);
            g.Restore(st);
        }
    }

    class FlatButton : Control, IButtonControl
    {
        public bool Primary, Danger;
        public string Glyph;
        public Color? Fore, Back;
        bool hover, down, fixingFont;
        readonly Fx fx;
        public DialogResult DialogResult { get; set; }

        public FlatButton(string text, bool primary)
        {
            Text = text;
            Primary = primary;
            SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.UserPaint | ControlStyles.ResizeRedraw | ControlStyles.Selectable, true);
            Cursor = Cursors.Hand;
            Font = Theme.Display(14);
            TabStop = true;
            fx = new Fx(this);
        }

        // podebljani font zamijeni polu-debelim (Segoe UI Semibold), kao na Discordu
        protected override void OnFontChanged(EventArgs e)
        {
            if (!fixingFont && Font.Bold && !Theme.DisplayBold)
            {
                fixingFont = true;
                Font = new Font(Theme.DisplayFace, Font.Size, FontStyle.Regular, Font.Unit);
                fixingFont = false;
            }
            base.OnFontChanged(e);
        }

        public void NotifyDefault(bool value) { }
        public void PerformClick() { if (Enabled) OnClick(EventArgs.Empty); }

        protected override void OnMouseEnter(EventArgs e) { hover = true; fx.To(1); Invalidate(); base.OnMouseEnter(e); }
        protected override void OnMouseLeave(EventArgs e) { hover = false; down = false; fx.To(0); Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseDown(MouseEventArgs e) { down = true; Focus(); Invalidate(); base.OnMouseDown(e); }
        protected override void OnMouseUp(MouseEventArgs e) { down = false; Invalidate(); base.OnMouseUp(e); }
        protected override void OnEnabledChanged(EventArgs e) { Invalidate(); base.OnEnabledChanged(e); }
        protected override void OnGotFocus(EventArgs e) { Invalidate(); base.OnGotFocus(e); }
        protected override void OnLostFocus(EventArgs e) { Invalidate(); base.OnLostFocus(e); }
        protected override void OnTextChanged(EventArgs e) { Invalidate(); base.OnTextChanged(e); }
        protected override void OnKeyDown(KeyEventArgs e) { if (e.KeyCode == Keys.Space || e.KeyCode == Keys.Enter) PerformClick(); base.OnKeyDown(e); }

        protected override void OnPaint(PaintEventArgs e)
        {
            if (Theme.ClassicLayout) { PaintClassic(e); return; }
            // "Glass": pilula; glavni gumb u svjetlecem prijelazu boje sa sjajem gore,
            // sporedni je prozirno staklo s obrubom u prijelazu boje koji zasvijetli pod misem
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var pbg = Parent != null ? Parent.BackColor : Theme.Bg;
            g.Clear(pbg);
            float h = fx.V, inset = down ? 1.5f : 0.5f;
            var r = new RectangleF(inset, inset, Width - 1 - inset * 2, Height - 1 - inset * 2);
            bool secondary = !Primary && !Danger && Back == null;
            Color fc;
            using (var p = Theme.Round(r, Math.Min(r.Height / 2f, Theme.D(22))))
            {
                if (secondary)
                {
                    var fill = Fx.Mix(pbg, Theme.Light ? Color.Black : Color.White, (Theme.Light ? 0.04f : 0.07f) + 0.06f * h);
                    using (var b = new SolidBrush(fill)) g.FillPath(b, p);
                    using (var pen = new Pen(Fx.Mix(pbg, Theme.Light ? Color.Black : Color.White, 0.14f), 1f)) g.DrawPath(pen, p);
                    Fx.GlowBorder(g, p, r, h * 0.9f, 1.4f);
                    fc = Fore ?? Theme.Text;
                }
                else
                {
                    Color c1, c2;
                    if (Back != null) { c1 = Back.Value; c2 = Theme.Shade(Back.Value, -0.08f); }
                    else if (Danger) { c1 = ColorTranslator.FromHtml("#ff5f6d"); c2 = ColorTranslator.FromHtml("#e0344a"); }
                    else if (Theme.Accent2 != Theme.Accent) { c1 = Theme.Accent; c2 = Theme.Accent2; }
                    else { c1 = Theme.Button; c2 = Theme.Shade(Theme.Button, -0.12f); }
                    float sh = down ? -0.1f : 0.1f * h;
                    c1 = Theme.Shade(c1, sh); c2 = Theme.Shade(c2, sh);
                    if (!Enabled) { c1 = Fx.Mix(c1, pbg, 0.55f); c2 = Fx.Mix(c2, pbg, 0.55f); }
                    using (var b = new LinearGradientBrush(new RectangleF(r.X - 1, r.Y - 1, r.Width + 2, r.Height + 2), c1, c2, 0f)) g.FillPath(b, p);
                    Fx.Gloss(g, p, r, Enabled ? 34 + (int)(20 * h) : 14);
                    // tanka svijetla crta uz gornji rub
                    using (var br = new LinearGradientBrush(new RectangleF(r.X, r.Y - 1, r.Width, r.Height + 2), Color.FromArgb(Enabled ? 70 : 25, 255, 255, 255), Color.FromArgb(0, 255, 255, 255), 90f))
                    using (var pen = new Pen(br, 1f)) g.DrawPath(pen, p);
                    fc = Fore ?? (Back == null && !Danger && Theme.Accent2 == Theme.Accent ? Theme.OnAccent : Color.White);
                }
                if (Focused && !down && ShowFocusCues)
                {
                    var fr = r; fr.Inflate(-2.5f, -2.5f);
                    using (var p2 = Theme.Round(fr, Math.Min(fr.Height / 2f, Theme.D(20)))) using (var pen = new Pen(Color.FromArgb(150, 255, 255, 255), 1.2f)) g.DrawPath(pen, p2);
                }
            }
            if (!Enabled) fc = Color.FromArgb(150, fc);
            var tr = Rectangle.Round(r);
            if (down) tr.Offset(0, 1);
            const TextFormatFlags tf = TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPrefix;
            if (Glyph != null)
            {
                var tsz = TextRenderer.MeasureText(Text, Font, Size.Empty, TextFormatFlags.NoPadding);
                int gw = Theme.D(18), gap = Theme.D(8), total = gw + (Text.Length > 0 ? gap + tsz.Width : 0);
                int gx = tr.X + (tr.Width - total) / 2;
                Theme.Icon(g, Glyph, "", new Rectangle(gx, tr.Y, gw, tr.Height), fc, 14);
                if (Text.Length > 0)
                    TextRenderer.DrawText(g, Text, Font, new Rectangle(gx + gw + gap, tr.Y, tsz.Width + 2, tr.Height), fc, TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding | TextFormatFlags.NoPrefix);
                return;
            }
            TextRenderer.DrawText(g, Text, Font, tr, fc, tf);
        }
        // stari izgled (Xfire raspored)
        void PaintClassic(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Parent != null ? Parent.BackColor : Theme.Bg);
            var r = new RectangleF(0.5f, 0.5f, Width - 1.5f, Height - 1.5f);
            bool secondary = !Primary && !Danger && Back == null;
            Color bg = Back ?? (Danger ? ColorTranslator.FromHtml("#da373c") : Primary ? Theme.Button : Theme.Secondary);
            // sekundarni gumb pod misem posvijetli, ostali potamne (kao na Discordu)
            if (hover) bg = secondary && !Theme.Light ? Theme.Shade(bg, 0.14f) : Theme.Shade(bg, -0.14f);
            if (down) bg = Theme.Shade(bg, -0.12f);
            if (!Enabled) bg = Color.FromArgb(Math.Max(0, bg.A - 0), Theme.Shade(bg, -0.3f));
            // web .btn: radius 12 (ne puna pilula); primarni je narančasti gradijent
            bool grad = Primary && !Danger && Back == null && Theme.Accent2 != Theme.Accent && !Theme.Light;
            using (var p = Theme.Round(r, Theme.ClassicLayout ? Theme.D(4) : Theme.D(12)))
            {
                if (grad && Width > 0 && Height > 0)
                {
                    float sh = down ? -0.12f : hover ? 0.08f : 0f;
                    using (var b = new LinearGradientBrush(Rectangle.Round(r), Theme.Shade(Theme.Accent, sh), Theme.Shade(Theme.Accent2, sh), 0f)) g.FillPath(b, p);
                }
                else using (var b = new SolidBrush(bg)) g.FillPath(b, p);
                if (Focused && !down)
                {
                    var fr = r;
                    fr.Inflate(-1.5f, -1.5f);
                    using (var p2 = Theme.Round(fr, Theme.D(3))) using (var pen = new Pen(Color.FromArgb(150, 255, 255, 255), 1.4f)) g.DrawPath(pen, p2);
                }
            }
            var baseFc = Fore ?? (Primary && !Danger && Back == null ? Theme.OnAccent : Color.White);
            var fc = Enabled ? baseFc : Color.FromArgb(160, baseFc);
            var tr = Rectangle.Round(r);
            if (Glyph != null)
            {
                var tsz = TextRenderer.MeasureText(Text, Font, Size.Empty, TextFormatFlags.NoPadding);
                int gw = Theme.D(18), gap = Theme.D(8), total = gw + (Text.Length > 0 ? gap + tsz.Width : 0);
                int gx = tr.X + (tr.Width - total) / 2;
                Theme.Icon(g, Glyph, "", new Rectangle(gx, tr.Y, gw, tr.Height), fc, 14);
                if (Text.Length > 0)
                    TextRenderer.DrawText(g, Text, Font, new Rectangle(gx + gw + gap, tr.Y, tsz.Width + 2, tr.Height), fc, bg, TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
                return;
            }
            TextRenderer.DrawText(g, Text, Font, tr, fc, bg, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis);
        }
    }

    class InputBox : Control
    {
        public readonly TextBox Box = new TextBox();
        readonly Fx focus, hov;

        public InputBox(bool password)
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            Box.BorderStyle = BorderStyle.None;
            Box.BackColor = Theme.Field;
            Box.ForeColor = Theme.Text;
            Box.Font = Theme.Body(15);
            Box.UseSystemPasswordChar = password;
            focus = new Fx(this);
            hov = new Fx(this);
            Box.GotFocus += (s, e) => focus.To(1);
            Box.LostFocus += (s, e) => focus.To(0);
            Box.MouseEnter += (s, e) => hov.To(1);
            Box.MouseLeave += (s, e) => { if (!ClientRectangle.Contains(PointToClient(MousePosition))) hov.To(0); };
            Controls.Add(Box);
            Cursor = Cursors.IBeam;
        }

        public string Value { get { return Box.Text; } }

        protected override void OnClick(EventArgs e) { Box.Focus(); base.OnClick(e); }
        protected override void OnMouseEnter(EventArgs e) { hov.To(1); base.OnMouseEnter(e); }
        protected override void OnMouseLeave(EventArgs e) { if (!ClientRectangle.Contains(PointToClient(MousePosition))) hov.To(0); base.OnMouseLeave(e); }

        protected override void OnResize(EventArgs e)
        {
            base.OnResize(e);
            int pad = Theme.ClassicLayout ? Theme.D(12) : Theme.D(16);
            Box.SetBounds(pad, (Height - Box.PreferredHeight) / 2, Math.Max(10, Width - pad * 2), Box.PreferredHeight);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            if (Theme.ClassicLayout) { PaintClassic(e); return; }
            // zaobljeno polje; pod misem obrub posvijetli, u fokusu zasvijetli u prijelazu boje
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var pbg = Parent != null ? Parent.BackColor : Theme.Bg;
            g.Clear(pbg);
            var r = new RectangleF(0.75f, 0.75f, Width - 2f, Height - 2f);
            using (var p = Theme.Round(r, Math.Min(Theme.D(12), r.Height / 2f)))
            {
                using (var b = new SolidBrush(Theme.Field)) g.FillPath(b, p);
                var line = Fx.Mix(Theme.Line, Theme.Muted, 0.5f * hov.V);
                using (var pen = new Pen(Color.FromArgb((int)(255 * (1 - focus.V)), line), 1f)) g.DrawPath(pen, p);
                Fx.GlowBorder(g, p, r, focus.V, 1.6f);
            }
        }
        // stari izgled (Xfire raspored)
        void PaintClassic(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Parent != null ? Parent.BackColor : Theme.Bg);
            using (var p = Theme.Round(new RectangleF(0.75f, 0.75f, Width - 2f, Height - 2f), Theme.D(4)))
            {
                using (var b = new SolidBrush(Theme.Field)) g.FillPath(b, p);
                if (Box.Focused) using (var pen = new Pen(Theme.Link, 1.4f)) g.DrawPath(pen, p);
            }
        }
    }

    class Toggle : Control
    {
        bool on;
        readonly Fx pos;
        public event EventHandler CheckedChanged;
        public bool Checked { get { return on; } set { if (on != value) { on = value; pos.To(on ? 1 : 0); Invalidate(); } } }

        public Toggle()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.Selectable, true);
            Size = new Size(Theme.D(42), Theme.D(24));
            Cursor = Cursors.Hand;
            TabStop = true;
            pos = new Fx(this, 0.35f);
        }

        protected override void OnClick(EventArgs e)
        {
            on = !on;
            pos.To(on ? 1 : 0);
            Invalidate();
            if (CheckedChanged != null) CheckedChanged(this, EventArgs.Empty);
            base.OnClick(e);
        }

        protected override void OnKeyDown(KeyEventArgs e) { if (e.KeyCode == Keys.Space) OnClick(EventArgs.Empty); base.OnKeyDown(e); }
        protected override void OnGotFocus(EventArgs e) { Invalidate(); base.OnGotFocus(e); }
        protected override void OnLostFocus(EventArgs e) { Invalidate(); base.OnLostFocus(e); }

        protected override void OnPaint(PaintEventArgs e)
        {
            if (Theme.ClassicLayout) { PaintClassic(e); return; }
            // prekidac: staza se ispuni prijelazom boje, gumbic klizi i ima mekanu sjenu
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var pbg = Parent != null ? Parent.BackColor : Theme.Bg;
            g.Clear(pbg);
            float k = pos.V;
            var r = new RectangleF(1, 1, Width - 3, Height - 3);
            using (var p = Theme.Round(r, r.Height / 2))
            {
                using (var b = new SolidBrush(Fx.Mix(pbg, Theme.Light ? Color.Black : Color.White, Theme.Light ? 0.14f : 0.12f))) g.FillPath(b, p);
                if (k > 0.01f)
                    using (var b = new LinearGradientBrush(Rectangle.Round(r), Color.FromArgb((int)(255 * k), Theme.Accent), Color.FromArgb((int)(255 * k), Theme.Accent2), 0f)) g.FillPath(b, p);
                if (Focused) using (var pen = new Pen(Color.FromArgb(140, 255, 255, 255), 1.2f)) g.DrawPath(pen, p);
            }
            float d = r.Height - Theme.D(6);
            float x = r.X + Theme.D(3) + (r.Width - d - Theme.D(6)) * k;
            using (var b = new SolidBrush(Color.FromArgb(60, 0, 0, 0))) g.FillEllipse(b, x, r.Y + Theme.D(4), d, d);
            using (var b = new SolidBrush(Color.White)) g.FillEllipse(b, x, r.Y + Theme.D(3), d, d);
        }
        // stari izgled (Xfire raspored)
        void PaintClassic(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Parent != null ? Parent.BackColor : Theme.Bg);
            var r = new RectangleF(1, 1, Width - 3, Height - 3);
            using (var p = Theme.Round(r, r.Height / 2))
            {
                if (on && !Theme.ClassicLayout) using (var b = new LinearGradientBrush(Rectangle.Round(r), Theme.Accent, Theme.Accent2, 0f)) g.FillPath(b, p);
                else using (var b = new SolidBrush(on ? Theme.On : Theme.Off)) g.FillPath(b, p);
                if (Focused) using (var pen = new Pen(Theme.Link, 1.5f)) g.DrawPath(pen, p);
            }
            float k = r.Height - Theme.D(6);
            float x = on ? r.Right - k - Theme.D(3) : r.X + Theme.D(3);
            using (var b = new SolidBrush(Color.White)) g.FillEllipse(b, x, r.Y + Theme.D(3), k, k);
        }
    }

    class LogoMark : Control
    {
        public float TextPx = 22;

        public LogoMark()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.SupportsTransparentBackColor, true);
            BackColor = Color.Transparent;
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            Theme.DrawFlame(g, new RectangleF(0, 0, Height, Height));
            using (var f = Theme.Display(TextPx))
                TextRenderer.DrawText(g, "Fragline", f, new Rectangle(Height + Theme.D(8), 0, Width, Height), Theme.Text,
                    TextFormatFlags.VerticalCenter | TextFormatFlags.Left | TextFormatFlags.NoPadding);
        }
    }

    class DarkForm : Form
    {
        protected int TitleH;
        ClassicBar bar;
        bool resizable;

        // prozori koji sami slazu svoje kontrole (npr. glavni Xfire prozor) sami uzimaju u obzir TitleH
        protected virtual bool ManualLayout { get { return false; } }

        protected override CreateParams CreateParams
        {
            get
            {
                var cp = base.CreateParams;
                if (Theme.ClassicLayout) cp.ClassStyle |= 0x20000;
                return cp;
            }
        }

        public DarkForm()
        {
            AutoScaleMode = AutoScaleMode.None;
            BackColor = Theme.Bg;
            ForeColor = Theme.Text;
            Font = Theme.Body(14);
            Icon = Program.AppIcon;
            StartPosition = FormStartPosition.CenterScreen;
            FormBorderStyle = FormBorderStyle.FixedSingle;
            MaximizeBox = false;
        }

        protected override void OnHandleCreated(EventArgs e) { base.OnHandleCreated(e); Theme.DarkTitle(this); }

        protected override void OnLoad(EventArgs e)
        {
            if (Theme.ClassicLayout && FormBorderStyle != FormBorderStyle.None) UseClassicChrome();
            base.OnLoad(e);
        }

        void UseClassicChrome()
        {
            resizable = FormBorderStyle == FormBorderStyle.Sizable;
            var cs = ClientSize;
            FormBorderStyle = FormBorderStyle.None;
            TitleH = Theme.D(30);
            int edge = resizable ? Theme.D(3) : 0;
            MaximizedBounds = Screen.FromHandle(Handle).WorkingArea;
            if (!ManualLayout)
            {
                ClientSize = new Size(cs.Width + edge * 2, cs.Height + TitleH + edge);
                // kontrole se pomaknu ispod trake; one vezane za dno je vec pomaknulo povecanje prozora
                foreach (Control c in Controls)
                {
                    if (c.Dock != DockStyle.None) continue;
                    bool top = (c.Anchor & AnchorStyles.Top) != 0, bottom = (c.Anchor & AnchorStyles.Bottom) != 0;
                    if (top && bottom) { c.Top += TitleH; c.Height -= TitleH; }
                    else if (top || !bottom) c.Top += TitleH;
                    c.Left += edge;
                }
                Padding = new Padding(Padding.Left + edge, Padding.Top + TitleH, Padding.Right + edge, Padding.Bottom + edge);
                Top = Math.Max(Screen.FromHandle(Handle).WorkingArea.Top, Top - TitleH / 2);
            }
            else ClientSize = cs;
            bar = new ClassicBar(this) { Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right };
            bar.SetBounds(0, 0, ClientSize.Width, TitleH);
            Controls.Add(bar);
            bar.BringToFront();
            Invalidate();
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            base.OnPaint(e);
            if (bar == null)
            {
                // moderni izgled: tanka svjetleca crta u prijelazu boje uz gornji rub prozora
                if (!Theme.ClassicLayout && ClientSize.Width > 0)
                {
                    var r = new Rectangle(0, 0, ClientSize.Width, Theme.D(3));
                    using (var b = new System.Drawing.Drawing2D.LinearGradientBrush(new Rectangle(-1, 0, r.Width + 2, r.Height), Theme.Accent, Theme.Accent2, 0f)) e.Graphics.FillRectangle(b, r);
                    using (var b = new System.Drawing.Drawing2D.LinearGradientBrush(new Rectangle(0, r.Bottom - 1, r.Width, Theme.D(28)), Color.FromArgb(28, Theme.Accent2), Color.FromArgb(0, Theme.Accent2), 90f))
                        e.Graphics.FillRectangle(b, 0, r.Bottom, r.Width, Theme.D(26));
                }
                return;
            }
            // tanki plavi okvir oko prozora bez Windowsovog ruba
            using (var pen = new Pen(Xf.Border)) e.Graphics.DrawRectangle(pen, 0, 0, ClientSize.Width - 1, ClientSize.Height - 1);
        }

        protected override void OnResize(EventArgs e) { base.OnResize(e); if (bar != null) Invalidate(); }

        // rubovi za mijenjanje velicine prozora bez Windowsovog okvira
        protected override void WndProc(ref Message m)
        {
            base.WndProc(ref m);
            if (m.Msg != 0x84 || bar == null || !resizable || WindowState != FormWindowState.Normal) return;
            int lp = m.LParam.ToInt32();
            var p = PointToClient(new Point((short)(lp & 0xFFFF), (short)((lp >> 16) & 0xFFFF)));
            int g = Theme.D(6);
            bool l = p.X < g, r = p.X >= ClientSize.Width - g, t = p.Y < Theme.D(4), b = p.Y >= ClientSize.Height - g;
            int ht = t && l ? 13 : t && r ? 14 : b && l ? 16 : b && r ? 17 : l ? 10 : r ? 11 : t ? 12 : b ? 15 : 0;
            if (ht != 0) m.Result = (IntPtr)ht;
        }

        protected Label L(string text, Font f, Color c, int x, int y, int w = 0)
        {
            var l = new Label { Text = text, Font = f, ForeColor = c, BackColor = Color.Transparent, Location = new Point(x, y), AutoSize = w == 0 };
            if (w > 0) l.Size = new Size(w, f.Height * 2 + Theme.D(4));
            Controls.Add(l);
            return l;
        }
    }

    // Sjajna plava naslovna traka za prozore u Xfire rasporedu: plamen, naslov i gumbi -, kvadrat, x
    class ClassicBar : Control
    {
        readonly Form f;
        int hot = -1;

        public ClassicBar(Form f)
        {
            this.f = f;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            f.TextChanged += (s, e) => Invalidate();
            f.Resize += (s, e) => Invalidate();
        }

        // 0 = zatvori, 1 = povecaj, 2 = smanji (zdesna nalijevo)
        List<int> Buttons()
        {
            var l = new List<int> { 0 };
            if (f.MaximizeBox) l.Add(1);
            if (f.MinimizeBox) l.Add(2);
            return l;
        }

        Rectangle Btn(int idx) { int w = Theme.D(42); return new Rectangle(Width - w * (idx + 1) - Theme.D(1), 0, w, Height); }

        int Hit(Point p) { var b = Buttons(); for (int i = 0; i < b.Count; i++) if (Btn(i).Contains(p)) return b[i]; return -1; }

        protected override void OnMouseMove(MouseEventArgs e) { int h = Hit(e.Location); if (h != hot) { hot = h; Invalidate(); } base.OnMouseMove(e); }
        protected override void OnMouseLeave(EventArgs e) { hot = -1; Invalidate(); base.OnMouseLeave(e); }

        protected override void OnMouseDown(MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left && Hit(e.Location) < 0)
            {
                if (e.Clicks >= 2 && f.MaximizeBox) { Toggle(); return; }
                // povlacenje prozora za traku
                Native.ReleaseCapture();
                Native.SendMessage(f.Handle, 0xA1, (IntPtr)2, IntPtr.Zero);
                return;
            }
            base.OnMouseDown(e);
        }

        protected override void OnMouseClick(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h == 0) f.Close();
            else if (h == 1) Toggle();
            else if (h == 2) f.WindowState = FormWindowState.Minimized;
            base.OnMouseClick(e);
        }

        void Toggle() { f.WindowState = f.WindowState == FormWindowState.Maximized ? FormWindowState.Normal : FormWindowState.Maximized; }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            Xf.Gloss(g, ClientRectangle, Xf.Head1, Xf.Head2);
            Theme.DrawFlame(g, new RectangleF(Theme.D(8), (Height - Theme.D(18)) / 2f, Theme.D(16), Theme.D(18)));
            var bs = Buttons();
            using (var fn = Xf.Font(12.5f, FontStyle.Bold))
                Xf.Draw(g, f.Text, fn, new Rectangle(Theme.D(30), 0, Math.Max(10, Width - Theme.D(42) * bs.Count - Theme.D(40)), Height), Color.White);
            for (int i = 0; i < bs.Count; i++)
            {
                var r = Btn(i);
                int k = bs[i];
                if (hot == k) using (var b = new SolidBrush(k == 0 ? Color.FromArgb(232, 17, 35) : Color.FromArgb(45, 255, 255, 255))) g.FillRectangle(b, r);
                string glyph = k == 0 ? "\uE8BB" : k == 1 ? (f.WindowState == FormWindowState.Maximized ? "\uE923" : "\uE922") : "\uE921";
                Theme.Icon(g, glyph, k == 0 ? "x" : k == 1 ? "o" : "_", r, Color.White, 10);
            }
        }
    }
}

// ===================== Controls2.cs =====================
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

namespace Fragline
{
    // Klizac u stilu Discorda: tanka traka, uspravna rucica i vrijednost u oblacicu dok se vuce.
    // Za mikrofon prikazuje i razinu uzivo: zeleno = salje se, zuto = ispod praga.
    class RangeSlider : Control
    {
        public float Min, Max = 100;
        float val;
        public float Level = float.NaN, Marker = float.NaN;
        public bool Locked;
        public float[] Ticks;
        public float Snap;
        public Func<float, string> Format;
        public event EventHandler ValueChanged;
        bool dragging, overKnob;

        static readonly ToolTip bubble = new ToolTip { OwnerDraw = true, UseAnimation = false, UseFading = false };
        static readonly Font BubbleFont = Theme.Body(13, FontStyle.Bold);
        static string bubbleText = "";

        static RangeSlider()
        {
            bubble.Popup += (s, e) =>
            {
                var sz = TextRenderer.MeasureText(bubbleText, BubbleFont);
                e.ToolTipSize = new Size(sz.Width + Theme.D(16), sz.Height + Theme.D(10));
            };
            bubble.Draw += (s, e) =>
            {
                e.Graphics.Clear(Theme.Menu);
                TextRenderer.DrawText(e.Graphics, e.ToolTipText, BubbleFont, e.Bounds, Theme.Text, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPrefix);
            };
        }

        public RangeSlider()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw | ControlStyles.Selectable, true);
            Cursor = Cursors.Hand;
            TabStop = true;
        }

        public float Value
        {
            get { return val; }
            set { float v = Math.Max(Min, Math.Min(Max, value)); if (Math.Abs(v - val) > 0.0001f) { val = v; Invalidate(); } }
        }

        public bool Dragging { get { return dragging; } }

        float Pos(float v) { return Math.Max(0f, Math.Min(1f, (v - Min) / Math.Max(0.0001f, Max - Min))); }

        RectangleF Track()
        {
            float pad = Theme.D(12), h = Theme.D(8);
            float cy = Height / 2f - (Ticks != null ? Theme.D(4) : 0);
            return new RectangleF(pad, cy - h / 2, Math.Max(1f, Width - pad * 2), h);
        }

        RectangleF Knob()
        {
            var t = Track();
            float x = t.X + t.Width * Pos(val), w = Theme.D(10), h = Theme.D(24);
            return new RectangleF(x - w / 2, t.Y + t.Height / 2 - h / 2, w, h);
        }

        string Label(float v) { return Format != null ? Format(v) : ((int)Math.Round(v)).ToString(); }

        void ShowBubble()
        {
            if (!IsHandleCreated) return;
            var k = Knob();
            bubbleText = Label(val);
            var sz = TextRenderer.MeasureText(bubbleText, BubbleFont);
            bubble.Show(bubbleText, this, (int)(k.X + k.Width / 2 - (sz.Width + Theme.D(16)) / 2f), (int)k.Y - sz.Height - Theme.D(18));
        }

        void HideBubble() { try { bubble.Hide(this); } catch { } }

        void SetValue(float v)
        {
            if (Snap > 0 && Ticks != null)
                foreach (var tk in Ticks) if (Math.Abs(v - tk) <= Snap) { v = tk; break; }
            Value = v;
            if (ValueChanged != null) ValueChanged(this, EventArgs.Empty);
        }

        void SetFromX(int x)
        {
            var t = Track();
            SetValue(Min + (Max - Min) * Math.Max(0f, Math.Min(1f, (x - t.X) / t.Width)));
        }

        protected override void OnMouseDown(MouseEventArgs e)
        {
            if (!Locked && Enabled && e.Button == MouseButtons.Left)
            {
                dragging = true;
                Capture = true;
                Focus();
                SetFromX(e.X);
                ShowBubble();
            }
            base.OnMouseDown(e);
        }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            if (dragging) { SetFromX(e.X); ShowBubble(); }
            else
            {
                var k = Knob();
                k.Inflate(Theme.D(6), Theme.D(4));
                bool o = !Locked && k.Contains(e.Location);
                if (o != overKnob) { overKnob = o; if (o) ShowBubble(); else HideBubble(); Invalidate(); }
            }
            base.OnMouseMove(e);
        }

        protected override void OnMouseUp(MouseEventArgs e)
        {
            dragging = false;
            Capture = false;
            if (!overKnob) HideBubble();
            Invalidate();
            base.OnMouseUp(e);
        }

        protected override void OnMouseLeave(EventArgs e)
        {
            overKnob = false;
            if (!dragging) HideBubble();
            Invalidate();
            base.OnMouseLeave(e);
        }

        // Kotacic misa pomice prozor, a ne mijenja vrijednost (inace se glasnoca slucajno mijenja pri skrolanju)
        protected override void OnMouseWheel(MouseEventArgs e)
        {
            var sc = Parent as ScrollableControl;
            if (sc != null && sc.AutoScroll)
            {
                var p = sc.AutoScrollPosition;
                sc.AutoScrollPosition = new Point(-p.X, Math.Max(0, -p.Y - e.Delta / 2));
            }
            var h = e as HandledMouseEventArgs;
            if (h != null) h.Handled = true;
        }

        protected override bool IsInputKey(Keys k)
        {
            return k == Keys.Left || k == Keys.Right || k == Keys.Up || k == Keys.Down || base.IsInputKey(k);
        }

        protected override void OnKeyDown(KeyEventArgs e)
        {
            if (!Locked && Enabled)
            {
                float step = (Max - Min) / 50f;
                if (e.KeyCode == Keys.Left || e.KeyCode == Keys.Down) SetValue(val - step);
                else if (e.KeyCode == Keys.Right || e.KeyCode == Keys.Up) SetValue(val + step);
                else if (e.KeyCode == Keys.PageDown) SetValue(val - step * 5);
                else if (e.KeyCode == Keys.PageUp) SetValue(val + step * 5);
                else if (e.KeyCode == Keys.Home) SetValue(Min);
                else if (e.KeyCode == Keys.End) SetValue(Max);
            }
            base.OnKeyDown(e);
        }

        protected override void OnGotFocus(EventArgs e) { Invalidate(); base.OnGotFocus(e); }
        protected override void OnLostFocus(EventArgs e) { HideBubble(); Invalidate(); base.OnLostFocus(e); }
        protected override void OnEnabledChanged(EventArgs e) { Invalidate(); base.OnEnabledChanged(e); }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Parent != null ? Parent.BackColor : Theme.Bg);
            var t = Track();
            float r = t.Height / 2;
            float gate = Locked && !float.IsNaN(Marker) ? Marker : val;
            using (var p = Theme.Round(t, r)) using (var b = new SolidBrush(Theme.Track)) g.FillPath(b, p);

            if (!float.IsNaN(Level))
            {
                // podloga: lijevo od praga prigušeno žuto, desno prigušeno zeleno
                float gx = t.X + t.Width * Pos(gate);
                using (var p = Theme.Round(t, r))
                {
                    var st = g.Save();
                    g.SetClip(p);
                    using (var b = new SolidBrush(Color.FromArgb(70, Theme.Idle))) g.FillRectangle(b, t.X, t.Y, gx - t.X, t.Height);
                    using (var b = new SolidBrush(Color.FromArgb(70, Theme.On))) g.FillRectangle(b, gx, t.Y, t.Right - gx, t.Height);
                    float w = t.Width * Pos(Level);
                    if (w > 1) using (var b = new SolidBrush(Level >= gate ? Theme.On : Theme.Idle)) g.FillRectangle(b, t.X, t.Y, w, t.Height);
                    g.Restore(st);
                }
            }
            else if (!Locked)
            {
                float w = t.Width * Pos(val);
                if (w > 1)
                    using (var p = Theme.Round(new RectangleF(t.X, t.Y, Math.Max(w, t.Height), t.Height), r))
                    using (var b = new LinearGradientBrush(new RectangleF(t.X, t.Y, Math.Max(w, t.Height) + 1, t.Height), Enabled ? Theme.Accent : Theme.Muted, Enabled ? Theme.Accent2 : Theme.Muted, 0f)) g.FillPath(b, p);
            }

            if (Ticks != null)
                using (var b = new SolidBrush(Theme.Muted))
                    foreach (var tk in Ticks)
                    {
                        float x = t.X + t.Width * Pos(tk);
                        using (var p = Theme.Round(new RectangleF(x - Theme.D(1), t.Bottom + Theme.D(5), Theme.D(2), Theme.D(6)), Theme.D(1))) g.FillPath(b, p);
                    }

            if (Locked)
            {
                // automatski prag: samo tanka oznaka, rucice nema
                if (!float.IsNaN(Marker))
                {
                    float x = t.X + t.Width * Pos(Marker);
                    using (var p = Theme.Round(new RectangleF(x - Theme.D(1.5f), t.Y - Theme.D(6), Theme.D(3), t.Height + Theme.D(12)), Theme.D(1.5f)))
                    using (var b = new SolidBrush(Theme.Text)) g.FillPath(b, p);
                }
                return;
            }

            var k = Knob();
            using (var p = Theme.Round(new RectangleF(k.X, k.Y + Theme.D(1), k.Width, k.Height), Theme.D(3)))
            using (var b = new SolidBrush(Color.FromArgb(70, 0, 0, 0))) g.FillPath(b, p);
            using (var p = Theme.Round(k, Theme.D(3)))
            {
                using (var b = new SolidBrush(Enabled ? Color.White : Theme.Muted)) g.FillPath(b, p);
                using (var pen = new Pen(Color.FromArgb(60, 0, 0, 0), 1f)) g.DrawPath(pen, p);
            }
            if (Focused || dragging || overKnob)
            {
                var fr = k;
                fr.Inflate(Theme.D(2.5f), Theme.D(2.5f));
                using (var p = Theme.Round(fr, Theme.D(5))) using (var pen = new Pen(Color.FromArgb(Focused ? 255 : 120, Theme.Accent), Theme.D(2))) g.DrawPath(pen, p);
            }
        }
    }

    // Padajuci izbornik u stilu Discorda (zamjena za sistemski ComboBox)
    class DropDown : Control
    {
        public readonly List<object> Items = new List<object>();
        public int MaxVisible = 8;
        public event EventHandler SelectedIndexChanged;
        int sel = -1;
        bool hover, open;
        readonly Fx hv, act;
        ToolStripDropDown popup;
        DateTime closedAt;

        public DropDown()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw | ControlStyles.Selectable, true);
            Cursor = Cursors.Hand;
            TabStop = true;
            Font = Theme.Body(14);
            hv = new Fx(this);
            act = new Fx(this);
        }

        public int SelectedIndex
        {
            get { return sel; }
            set
            {
                int v = value < 0 ? -1 : Math.Min(value, Items.Count - 1);
                if (v == sel) return;
                sel = v;
                Invalidate();
                if (SelectedIndexChanged != null) SelectedIndexChanged(this, EventArgs.Empty);
            }
        }

        public object SelectedItem { get { return sel >= 0 && sel < Items.Count ? Items[sel] : null; } }


        public void OpenList()
        {
            if (!Enabled || Items.Count == 0 || open) return;
            // klik na polje dok je popis otvoren ga zatvara, pa ga ne otvaraj odmah ponovno
            if ((DateTime.UtcNow - closedAt).TotalMilliseconds < 200) return;
            var list = new PopupList(this);
            int rows = Math.Min(MaxVisible, Items.Count);
            list.Size = new Size(Width, rows * list.RowH + list.Pad * 2);
            var host = new ToolStripControlHost(list) { Margin = Padding.Empty, Padding = Padding.Empty, AutoSize = false, Size = list.Size };
            popup = new ToolStripDropDown { Padding = Padding.Empty, Margin = Padding.Empty, AutoSize = false, Size = list.Size, DropShadowEnabled = true, Renderer = new DarkRenderer() };
            popup.Items.Add(host);
            popup.Closed += (s, e) => { open = false; act.To(Focused ? 1 : 0); closedAt = DateTime.UtcNow; Invalidate(); };
            if (!Theme.ClassicLayout)
            {
                // zaobljen plutajuci popis
                var rr = new Rectangle(0, 0, list.Width, list.Height);
                popup.Region = new Region(Theme.Round(new RectangleF(rr.X, rr.Y, rr.Width + 0.5f, rr.Height + 0.5f), Theme.D(12)));
            }
            open = true;
            act.To(1);
            Invalidate();
            popup.Show(this, new Point(0, Height + Theme.D(Theme.ClassicLayout ? 4 : 6)));
            list.Focus();
        }

        public void Pick(int i)
        {
            SelectedIndex = i;
            if (popup != null) popup.Close();
            Focus();
        }

        protected override void OnMouseEnter(EventArgs e) { hover = true; hv.To(1); Invalidate(); base.OnMouseEnter(e); }
        protected override void OnMouseLeave(EventArgs e) { hover = false; hv.To(0); Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseDown(MouseEventArgs e) { if (e.Button == MouseButtons.Left) OpenList(); base.OnMouseDown(e); }
        protected override void OnEnabledChanged(EventArgs e) { Cursor = Enabled ? Cursors.Hand : Cursors.Default; Invalidate(); base.OnEnabledChanged(e); }
        protected override void OnGotFocus(EventArgs e) { act.To(1); Invalidate(); base.OnGotFocus(e); }
        protected override void OnLostFocus(EventArgs e) { if (!open) act.To(0); Invalidate(); base.OnLostFocus(e); }
        protected override bool IsInputKey(Keys k) { return k == Keys.Up || k == Keys.Down || base.IsInputKey(k); }

        protected override void OnKeyDown(KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Space || e.KeyCode == Keys.Enter || e.KeyCode == Keys.F4 || (e.Alt && e.KeyCode == Keys.Down)) { OpenList(); e.Handled = true; }
            else if (e.KeyCode == Keys.Down && sel < Items.Count - 1) SelectedIndex = sel + 1;
            else if (e.KeyCode == Keys.Up && sel > 0) SelectedIndex = sel - 1;
            base.OnKeyDown(e);
        }

        // kotacic ne mijenja odabir (kao kod sistemskog izbornika), nego pomice prozor
        protected override void OnMouseWheel(MouseEventArgs e)
        {
            var sc = Parent as ScrollableControl;
            if (sc != null && sc.AutoScroll)
            {
                var p = sc.AutoScrollPosition;
                sc.AutoScrollPosition = new Point(-p.X, Math.Max(0, -p.Y - e.Delta / 2));
            }
            var h = e as HandledMouseEventArgs;
            if (h != null) h.Handled = true;
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            if (Theme.ClassicLayout) { PaintClassic(e); return; }
            // isto polje kao za unos; strelica je vektorska u kruzicu i okrene se kad je popis otvoren
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var pbg = Parent != null ? Parent.BackColor : Theme.Bg;
            g.Clear(pbg);
            var r = new RectangleF(0.75f, 0.75f, Width - 2f, Height - 2f);
            using (var p = Theme.Round(r, Math.Min(Theme.D(12), r.Height / 2f)))
            {
                using (var b = new SolidBrush(Fx.Mix(Theme.Field, Theme.Light ? Color.Black : Color.White, 0.03f * hv.V))) g.FillPath(b, p);
                var line = Fx.Mix(Theme.Line, Theme.Muted, 0.5f * hv.V);
                using (var pen = new Pen(Color.FromArgb((int)(255 * (1 - act.V)), line), 1f)) g.DrawPath(pen, p);
                Fx.GlowBorder(g, p, r, act.V, 1.6f);
            }
            int cs = Math.Min(Theme.D(24), Height - Theme.D(8));
            var cr = new RectangleF(Width - cs - Theme.D(8), (Height - cs) / 2f, cs, cs);
            var tr = new Rectangle(Theme.D(14), 0, Math.Max(10, (int)cr.X - Theme.D(18)), Height);
            TextRenderer.DrawText(g, sel >= 0 ? Convert.ToString(Items[sel]) : "", Font, tr, Enabled ? Theme.Text : Theme.Muted,
                TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
            if (open || hv.V > 0.01f)
                using (var b = new SolidBrush(Color.FromArgb((int)(open ? 255 : 255 * hv.V), Fx.Mix(Theme.Field, Theme.Light ? Color.Black : Color.White, 0.1f)))) g.FillEllipse(b, cr);
            var cc = open ? Theme.Accent2 : Enabled ? Theme.Text2 : Theme.Muted;
            float cx = cr.X + cr.Width / 2f, cy = cr.Y + cr.Height / 2f, s = cr.Width * 0.2f;
            using (var pen = new Pen(cc, Math.Max(1.5f, Theme.D(1.7f))) { StartCap = LineCap.Round, EndCap = LineCap.Round, LineJoin = LineJoin.Round })
                g.DrawLines(pen, open
                    ? new[] { new PointF(cx - s, cy + s / 2), new PointF(cx, cy - s / 2), new PointF(cx + s, cy + s / 2) }
                    : new[] { new PointF(cx - s, cy - s / 2), new PointF(cx, cy + s / 2), new PointF(cx + s, cy - s / 2) });
        }
        // stari izgled (Xfire raspored)
        void PaintClassic(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Parent != null ? Parent.BackColor : Theme.Bg);
            var r = new RectangleF(0.5f, 0.5f, Width - 1.5f, Height - 1.5f);
            var bg = Theme.Field;
            if (hover && Enabled && !open) bg = Theme.Light ? Theme.Shade(bg, -0.04f) : Theme.Shade(bg, 0.04f);
            using (var p = Theme.Round(r, Theme.D(4)))
            {
                using (var b = new SolidBrush(bg)) g.FillPath(b, p);
                if (open || Focused) using (var pen = new Pen(open ? Theme.Accent : Theme.Link, 1.4f)) g.DrawPath(pen, p);
            }
            int chev = Theme.D(28);
            var tr = new Rectangle(Theme.D(12), 0, Math.Max(10, Width - Theme.D(12) - chev), Height);
            TextRenderer.DrawText(g, sel >= 0 ? Convert.ToString(Items[sel]) : "", Font, tr, Enabled ? Theme.Text : Theme.Muted,
                TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
            var cr = new Rectangle(Width - chev - Theme.D(4), 0, chev, Height);
            Theme.Icon(g, open ? "\uE70E" : "\uE70D", open ? "▴" : "▾", cr, Enabled ? Theme.Text2 : Theme.Muted, 12);
        }
    }

    // Tanka klizna traka preko sistemske: lezi iznad njenog mjesta (u istom roditelju),
    // pokazuje zaobljeni klizac koji se moze vuci i pomice sadrzaj preko AutoScrollPosition
    class SlimBar : Control
    {
        readonly ScrollableControl sc;
        readonly Timer sync = new Timer { Interval = 120 };
        readonly Fx hv;
        int lastVal = -1, lastMax = -1, dragOff = -1;

        public static void Attach(ScrollableControl sc)
        {
            if (Theme.ClassicLayout || sc == null || sc.Parent == null) return;
            var b = new SlimBar(sc);
            sc.Parent.Controls.Add(b);
            b.Place();
            b.BringToFront();
        }

        SlimBar(ScrollableControl sc)
        {
            this.sc = sc;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            hv = new Fx(this);
            sc.Resize += (s, e) => Place();
            sc.LocationChanged += (s, e) => Place();
            sc.VisibleChanged += (s, e) => Place();
            sc.Layout += (s, e) => Place();
            sync.Tick += (s, e) =>
            {
                if (!sc.Visible) return;
                var vs = sc.VerticalScroll;
                if (vs.Value != lastVal || vs.Maximum != lastMax || Visible != vs.Visible) { lastVal = vs.Value; lastMax = vs.Maximum; Place(); Invalidate(); }
            };
            sync.Start();
            Disposed += (s, e) => sync.Dispose();
        }

        void Place()
        {
            if (sc.IsDisposed) return;
            int w = SystemInformation.VerticalScrollBarWidth;
            SetBounds(sc.Right - w, sc.Top, w, sc.Height);
            Visible = sc.Visible && sc.VerticalScroll.Visible;
            if (Visible) BringToFront();
        }

        RectangleF Thumb()
        {
            var vs = sc.VerticalScroll;
            float range = Math.Max(1, vs.Maximum - vs.LargeChange + 1), track = Height - Theme.D(8);
            float th = Math.Max(Theme.D(32), track * vs.LargeChange / Math.Max(1f, vs.Maximum + 1));
            float y = Theme.D(4) + (track - th) * Math.Min(1f, vs.Value / range);
            float w = Theme.D(4) + Theme.D(3) * hv.V;
            return new RectangleF(Width - w - Theme.D(3), y, w, th);
        }

        void ScrollTo(float thumbY)
        {
            var vs = sc.VerticalScroll;
            float track = Height - Theme.D(8), th = Thumb().Height, range = Math.Max(1, vs.Maximum - vs.LargeChange + 1);
            int v = (int)Math.Round(Math.Max(0, Math.Min(1, (thumbY - Theme.D(4)) / Math.Max(1, track - th))) * range);
            sc.AutoScrollPosition = new Point(-sc.AutoScrollPosition.X, v);
            lastVal = -1;
            Invalidate();
        }

        protected override void OnMouseEnter(EventArgs e) { hv.To(1); base.OnMouseEnter(e); }
        protected override void OnMouseLeave(EventArgs e) { if (dragOff < 0) hv.To(0); base.OnMouseLeave(e); }
        protected override void OnMouseDown(MouseEventArgs e)
        {
            var t = Thumb();
            dragOff = t.Contains(t.X, e.Y) ? (int)(e.Y - t.Y) : (int)(t.Height / 2);
            if (!t.Contains(t.X, e.Y)) ScrollTo(e.Y - dragOff);
            Capture = true;
            base.OnMouseDown(e);
        }
        protected override void OnMouseMove(MouseEventArgs e) { if (dragOff >= 0) ScrollTo(e.Y - dragOff); base.OnMouseMove(e); }
        protected override void OnMouseUp(MouseEventArgs e) { dragOff = -1; Capture = false; if (!ClientRectangle.Contains(e.Location)) hv.To(0); base.OnMouseUp(e); }
        protected override void OnMouseWheel(MouseEventArgs e)
        {
            var p = sc.AutoScrollPosition;
            sc.AutoScrollPosition = new Point(-p.X, Math.Max(0, -p.Y - e.Delta / 2));
            lastVal = -1;
            Invalidate();
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(sc.BackColor);
            var t = Thumb();
            using (var p = Theme.Round(t, t.Width / 2f))
            {
                if (hv.V > 0.5f || dragOff >= 0)
                    using (var b = new LinearGradientBrush(new RectangleF(t.X, t.Y - 1, t.Width, t.Height + 2), Theme.Accent, Theme.Accent2, 90f)) g.FillPath(b, p);
                else using (var b = new SolidBrush(Fx.Mix(sc.BackColor, Theme.Light ? Color.Black : Color.White, 0.18f + 0.1f * hv.V))) g.FillPath(b, p);
            }
        }
    }

    // Otvoreni popis padajuceg izbornika
    class PopupList : Control
    {
        readonly DropDown owner;
        public readonly int RowH = Theme.D(Theme.ClassicLayout ? 36 : 38);
        public readonly int Pad = Theme.D(Theme.ClassicLayout ? 4 : 6);
        int top, hover = -1;

        public PopupList(DropDown owner)
        {
            this.owner = owner;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw | ControlStyles.Selectable, true);
            Font = owner.Font;
            Cursor = Cursors.Hand;
            hover = owner.SelectedIndex;
            top = Math.Max(0, Math.Min(owner.SelectedIndex - owner.MaxVisible / 2, owner.Items.Count - owner.MaxVisible));
        }

        int Visible2 { get { return Math.Max(1, (Height - Pad * 2) / RowH); } }
        int MaxTop { get { return Math.Max(0, owner.Items.Count - Visible2); } }
        int Hit(Point p) { int i = top + (p.Y - Pad) / RowH; return p.Y >= Pad && i < owner.Items.Count ? i : -1; }

        void Ensure(int i) { if (i < top) top = i; else if (i >= top + Visible2) top = i - Visible2 + 1; top = Math.Max(0, Math.Min(top, MaxTop)); }

        protected override void OnMouseMove(MouseEventArgs e) { int h = Hit(e.Location); if (h != hover && h >= 0) { hover = h; Invalidate(); } base.OnMouseMove(e); }
        protected override void OnMouseClick(MouseEventArgs e) { int h = Hit(e.Location); if (h >= 0) owner.Pick(h); base.OnMouseClick(e); }
        protected override void OnMouseWheel(MouseEventArgs e) { top = Math.Max(0, Math.Min(MaxTop, top - Math.Sign(e.Delta) * 2)); Invalidate(); }
        protected override bool IsInputKey(Keys k) { return k == Keys.Up || k == Keys.Down || k == Keys.Enter || base.IsInputKey(k); }

        protected override void OnKeyDown(KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Down && hover < owner.Items.Count - 1) { hover++; Ensure(hover); Invalidate(); }
            else if (e.KeyCode == Keys.Up && hover > 0) { hover--; Ensure(hover); Invalidate(); }
            else if ((e.KeyCode == Keys.Enter || e.KeyCode == Keys.Space) && hover >= 0) owner.Pick(hover);
            base.OnKeyDown(e);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            if (Theme.ClassicLayout) { PaintClassic(e); return; }
            // plutajuca kartica: zaobljene stavke, odabrana ima traku u prijelazu boje i nacrtanu kvacicu
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var bg = Theme.Menu;
            g.Clear(bg);
            using (var p = Theme.Round(new RectangleF(0.5f, 0.5f, Width - 1.5f, Height - 1.5f), Theme.D(12)))
            using (var pen = new Pen(Fx.Mix(Theme.Line, Theme.Light ? Color.Black : Color.White, 0.08f))) g.DrawPath(pen, p);
            int n = owner.Items.Count;
            bool scroll = n > Visible2;
            int w = Width - Pad * 2 - (scroll ? Theme.D(8) : 0);
            for (int i = top; i < Math.Min(n, top + Visible2); i++)
            {
                var r = new Rectangle(Pad, Pad + (i - top) * RowH, w, RowH);
                bool sel = i == owner.SelectedIndex, hot = i == hover;
                var ir = new Rectangle(r.X, r.Y + 1, r.Width, r.Height - 2);
                if (sel || hot)
                    using (var p = Theme.Round(ir, Theme.D(8)))
                    using (var b = new SolidBrush(sel ? Fx.Mix(bg, Theme.Accent, hot ? 0.24f : 0.17f) : Fx.Mix(bg, Theme.Light ? Color.Black : Color.White, 0.07f))) g.FillPath(b, p);
                if (sel)
                {
                    var bar = new RectangleF(ir.X + Theme.D(5), ir.Y + ir.Height * 0.28f, Theme.D(3), ir.Height * 0.44f);
                    using (var p = Theme.Round(bar, Theme.D(1.5f))) using (var b = new LinearGradientBrush(new RectangleF(bar.X, bar.Y - 1, bar.Width, bar.Height + 2), Theme.Accent, Theme.Accent2, 90f)) g.FillPath(b, p);
                }
                int right = r.Right - Theme.D(10);
                if (sel)
                {
                    float cx = right - Theme.D(8), cy = r.Y + r.Height / 2f, s = Theme.D(5);
                    using (var pen = new Pen(Theme.Accent2, Theme.D(2)) { StartCap = LineCap.Round, EndCap = LineCap.Round, LineJoin = LineJoin.Round })
                        g.DrawLines(pen, new[] { new PointF(cx - s, cy), new PointF(cx - s * 0.3f, cy + s * 0.7f), new PointF(cx + s, cy - s * 0.7f) });
                    right -= Theme.D(24);
                }
                TextRenderer.DrawText(g, Convert.ToString(owner.Items[i]), Font, new Rectangle(r.X + Theme.D(16), r.Y, Math.Max(10, right - r.X - Theme.D(16)), r.Height),
                    sel ? Theme.Text : hot ? Theme.Text : Theme.Text2, TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
            }
            if (scroll)
            {
                float trackH = Height - Pad * 2 - Theme.D(4), thumb = Math.Max(Theme.D(24), trackH * Visible2 / n), ty = Pad + Theme.D(2) + (trackH - thumb) * top / Math.Max(1, MaxTop);
                using (var p = Theme.Round(new RectangleF(Width - Theme.D(10), ty, Theme.D(4), thumb), Theme.D(2))) using (var b = new SolidBrush(Fx.Mix(bg, Theme.Light ? Color.Black : Color.White, 0.2f))) g.FillPath(b, p);
            }
        }
        // stari izgled (Xfire raspored)
        void PaintClassic(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Theme.Panel);
            using (var pen = new Pen(Theme.Rail)) g.DrawRectangle(pen, 0, 0, Width - 1, Height - 1);
            int n = owner.Items.Count;
            bool scroll = n > Visible2;
            int w = Width - Theme.D(8) - (scroll ? Theme.D(8) : 0);
            for (int i = top; i < Math.Min(n, top + Visible2); i++)
            {
                var r = new Rectangle(Theme.D(4), Theme.D(4) + (i - top) * RowH, w, RowH);
                bool sel = i == owner.SelectedIndex, hot = i == hover;
                if (sel || hot)
                    using (var p = Theme.Round(new Rectangle(r.X, r.Y + 1, r.Width, r.Height - 2), Theme.D(4)))
                    using (var b = new SolidBrush(sel ? Theme.Panel3 : Theme.Panel2)) g.FillPath(b, p);
                int right = r.Right - Theme.D(8);
                if (sel)
                {
                    var cr = new Rectangle(right - Theme.D(18), r.Y + (r.Height - Theme.D(18)) / 2, Theme.D(18), Theme.D(18));
                    using (var b = new SolidBrush(Theme.Accent)) g.FillEllipse(b, cr);
                    Theme.Icon(g, "\uE73E", "✓", cr, Color.White, 10);
                    right = cr.X - Theme.D(6);
                }
                TextRenderer.DrawText(g, Convert.ToString(owner.Items[i]), Font, new Rectangle(r.X + Theme.D(10), r.Y, Math.Max(10, right - r.X - Theme.D(10)), r.Height),
                    sel || hot ? Theme.Text : Theme.Text2, TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
            }
            if (scroll)
            {
                float trackH = Height - Theme.D(12), thumb = Math.Max(Theme.D(24), trackH * Visible2 / n), ty = Theme.D(6) + (trackH - thumb) * top / Math.Max(1, MaxTop);
                using (var p = Theme.Round(new RectangleF(Width - Theme.D(9), ty, Theme.D(5), thumb), Theme.D(2.5f))) using (var b = new SolidBrush(Theme.Rail)) g.FillPath(b, p);
            }
        }
    }

    // Popis bez treperenja: sam crta svoje stavke u medjuspremnik umjesto da Windows prvo obrise pozadinu
    class SmoothList : ListBox
    {
        public SmoothList()
        {
            SetStyle(ControlStyles.OptimizedDoubleBuffer | ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint | ControlStyles.ResizeRedraw, true);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            using (var b = new SolidBrush(BackColor)) e.Graphics.FillRectangle(b, e.ClipRectangle);
            if (Items.Count == 0) return;
            for (int i = Math.Max(0, TopIndex); i < Items.Count; i++)
            {
                var r = GetItemRectangle(i);
                if (r.Top >= ClientSize.Height) break;
                if (!r.IntersectsWith(e.ClipRectangle)) continue;
                OnDrawItem(new DrawItemEventArgs(e.Graphics, Font, r, i, DrawItemState.Default, ForeColor, BackColor));
            }
        }
    }
}

// ===================== Views.cs =====================
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Net;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Fragline
{
    class LoginForm : DarkForm
    {
        public string Token, Username, UserColor;
        readonly InputBox user = new InputBox(false);
        readonly InputBox pass = new InputBox(true);
        readonly FlatButton ok = new FlatButton("Prijavi se", true);
        readonly Label err;

        public LoginForm()
        {
            Text = "Fragline - prijava";
            MinimizeBox = false;
            TopMost = true;
            int W = Theme.D(440), pad = Theme.D(32), inner = W - pad * 2;
            ClientSize = new Size(W, Theme.D(470));

            var logo = new LogoMark { Size = new Size(Theme.D(150), Theme.D(34)), TextPx = 24 };
            logo.Location = new Point((W - logo.Width) / 2, Theme.D(26));
            Controls.Add(logo);
            var title = new Label { Text = "Dobrodošao natrag!", Font = Theme.Body(24, FontStyle.Bold), ForeColor = Theme.Text, BackColor = Color.Transparent, TextAlign = ContentAlignment.MiddleCenter };
            title.SetBounds(pad, Theme.D(72), inner, Theme.D(36));
            var sub = new Label { Text = "Drago nam je što te opet vidimo!", Font = Theme.Body(15), ForeColor = Theme.Muted, BackColor = Color.Transparent, TextAlign = ContentAlignment.MiddleCenter };
            sub.SetBounds(pad, Theme.D(108), inner, Theme.D(24));
            Controls.AddRange(new Control[] { title, sub });

            Func<string, int, Label> cap = (t, y) =>
            {
                var l = L(t, Theme.Body(12, FontStyle.Bold), Theme.Text2, pad, y);
                var star = L("*", Theme.Body(12, FontStyle.Bold), Theme.Red, pad + l.PreferredWidth, y);
                return l;
            };
            cap("KORISNIČKO IME", Theme.D(152));
            user.SetBounds(pad, Theme.D(174), inner, Theme.D(42));
            cap("LOZINKA", Theme.D(232));
            pass.SetBounds(pad, Theme.D(254), inner, Theme.D(42));
            err = L("", Theme.Body(13), Theme.Red, pad, Theme.D(302), inner);
            ok.SetBounds(pad, Theme.D(346), inner, Theme.D(44));
            ok.Font = Theme.Body(15, FontStyle.Bold);

            var reg = new LinkLabel
            {
                Text = "Trebaš račun? Registriraj se",
                Font = Theme.Body(13.5f),
                LinkArea = new LinkArea(14, 14),
                ForeColor = Theme.Muted,
                LinkColor = Theme.Link, ActiveLinkColor = Theme.Link, VisitedLinkColor = Theme.Link,
                LinkBehavior = LinkBehavior.HoverUnderline,
                BackColor = Color.Transparent,
                AutoSize = true
            };
            reg.LinkClicked += (s, e) => { try { Process.Start(Api.Base + "/login"); } catch { } };
            Controls.AddRange(new Control[] { user, pass, ok, reg });
            reg.Location = new Point(pad, Theme.D(402));

            ok.Click += async (s, e) =>
            {
                ok.Enabled = false;
                ok.Text = "Prijavljujem...";
                err.Text = "";
                var u = user.Value.Trim();
                var p = pass.Value;
                try
                {
                    var res = await Task.Run(() => Api.Login(u, p));
                    Token = Api.Field(res, "token");
                    Username = Api.Field(res, "username");
                    UserColor = Api.Field(res, "color");
                    if (Token == null) throw new Exception("Neočekivan odgovor servera.");
                    DialogResult = DialogResult.OK;
                    Close();
                }
                catch (WebException ex) { err.Text = Api.ErrorMessage(ex); }
                catch (Exception ex) { err.Text = ex.Message; }
                finally { ok.Enabled = true; ok.Text = "Prijavi se"; }
            };
            AcceptButton = ok;
            Shown += (s, e) => user.Box.Focus();
        }
    }
}

// ===================== Views2.cs =====================
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Globalization;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Fragline
{
    class ClanItem { public long Id; public string Name, Tag, Slug, Color; public bool Owner; public override string ToString() { return Name; } }
    class ActItem { public string Type, User, Color, Avatar, Game, Icon, At, Url; public long Seconds = -1; public bool Mine; }
    class VRow { public VRoom Room; public VMember Member; public bool Here; public string Header; }

    static class Ui
    {
        public static string Ago(string iso)
        {
            DateTimeOffset d;
            if (string.IsNullOrEmpty(iso) || !DateTimeOffset.TryParse(iso, CultureInfo.InvariantCulture, DateTimeStyles.None, out d)) return "";
            int m = (int)(DateTimeOffset.UtcNow - d).TotalMinutes;
            if (m < 1) return "upravo";
            if (m < 60) return "prije " + m + " min";
            int h = m / 60;
            if (h < 24) return "prije " + h + " h";
            int dd = h / 24;
            return dd == 1 ? "jučer" : "prije " + dd + " dana";
        }

        public static string Dur(long s)
        {
            long m = Math.Max(1, (s + 30) / 60);
            return m < 60 ? m + " min" : (m / 60) + " h" + (m % 60 > 0 ? " " + (m % 60) + " min" : "");
        }

        public static ContextMenuStrip Menu()
        {
            return new ContextMenuStrip { Renderer = new DarkRenderer(), Font = Theme.Body(13.5f), ShowImageMargin = true };
        }

        public static void Combo(DropDown c) { c.Font = Theme.Body(13.5f); }

        public static Label Lbl(string t, float px, Color c, int x, int y, bool bold = false)
        {
            return new Label { Text = t, Font = Theme.Body(px, bold ? FontStyle.Bold : FontStyle.Regular), ForeColor = c, AutoSize = true, Location = new Point(x, y), BackColor = Color.Transparent };
        }

        public static Label Section(string t, int x, int y) { return Lbl(t.ToUpperInvariant(), 12, Theme.Muted, x, y, true); }

        public static string KeyName(int vk)
        {
            foreach (var k in VoiceView.PttKeys) if (k.Vk == vk) return k.Name;
            return "tipku";
        }
    }

    class VoiceView : UserControl
    {
        public static readonly (string Name, int Vk)[] PttKeys = { ("Mouse 4", 0x05), ("Mouse 5", 0x06), ("Caps Lock", 0x14), ("Lijevi Alt", 0xA4), ("V", 0x56), ("B", 0x42), ("T", 0x54), ("Q", 0x51) };
        readonly TrayApp app;
        readonly SideHead head = new SideHead("Voice sobe", Theme.IcoAdd, "Nova soba");
        readonly Label status = new Label();
        readonly ListBox list = new SmoothList();
        readonly Timer tick = new Timer { Interval = 120 };
        List<VRoom> lastRooms = new List<VRoom>();
        List<VRow> rows = new List<VRow>();
        string lastSig = "", lastLook = "", info;
        bool loaded;
        int hover = -1;
        VoiceClient vc;

        public List<VRoom> Rooms { get { return lastRooms; } }
        public string StatusText = "";
        public Color StatusColor = Theme.Muted;
        public bool Loaded { get { return loaded; } }

        public VoiceView(TrayApp app)
        {
            this.app = app;
            BackColor = Theme.Panel;
            head.Dock = DockStyle.Top;
            head.Height = Theme.D(48);
            head.ActionClicked += () => app.ShowCreateRoom();

            status.Dock = DockStyle.Top; status.Height = Theme.D(30); status.Font = Theme.Body(12.5f); status.ForeColor = Theme.Muted;
            status.BackColor = Theme.Panel; status.Padding = new Padding(Theme.D(12), 0, Theme.D(8), 0);
            status.TextAlign = ContentAlignment.MiddleLeft; status.AutoEllipsis = true;

            list.DrawMode = DrawMode.OwnerDrawVariable; list.BorderStyle = BorderStyle.None; list.BackColor = Theme.Panel;
            list.Dock = DockStyle.Fill; list.IntegralHeight = false; list.SelectionMode = SelectionMode.None;
            list.MeasureItem += (s, e) =>
            {
                var r = e.Index >= 0 && e.Index < rows.Count ? rows[e.Index] : null;
                e.ItemHeight = r == null ? Theme.D(30) : r.Header != null ? Theme.D(36) : r.Room != null ? Theme.D(36) : Theme.D(30);
            };
            list.DrawItem += DrawRow;
            list.MouseMove += (s, e) => { int i = list.IndexFromPoint(e.Location); if (i != hover) { hover = i; list.Invalidate(); } };
            list.MouseLeave += (s, e) => { hover = -1; list.Invalidate(); };
            list.MouseUp += (s, e) =>
            {
                int i = list.IndexFromPoint(e.Location);
                if (i < 0 || i >= rows.Count) return;
                var r = rows[i];
                if (e.Button == MouseButtons.Left && r.Room != null) { if (r.Here) app.ShowVoicePage(); else app.JoinVoice(r.Room); }
                else if (e.Button == MouseButtons.Right && r.Room != null) RoomMenu(r, e.Location);
                else if (e.Button == MouseButtons.Right && r.Member != null) ShowMemberMenu(app, r.Member, list, e.Location);
            };
            Theme.DarkScroll(list);

            Controls.Add(list); Controls.Add(status); Controls.Add(head);
            list.BringToFront();
            tick.Tick += (s, e) => Tick();
            tick.Start();
            UpdateStatusLine();
        }

        void Tick()
        {
            if (!Visible) return;
            if (app.Voice != vc) Attach(app.Voice);
            if (vc != null) { Rebuild(); UpdateStatusLine(); }
        }

        public void Attach(VoiceClient v)
        {
            vc = v;
            if (v != null) info = null;
            Rebuild();
            UpdateStatusLine();
        }

        public void SetStatus(string msg) { info = msg; UpdateStatusLine(); }

        public void SetRooms(List<VRoom> rooms)
        {
            loaded = true;
            lastRooms = rooms ?? new List<VRoom>();
            Rebuild();
            UpdateStatusLine();
        }

        void UpdateStatusLine()
        {
            string t; Color c = Theme.Muted;
            if (vc != null) t = "Desni klik na osobu za glasnoću";
            else if (info != null) { t = info; c = Theme.Link; }
            else if (!loaded) t = "Učitavam sobe...";
            else if (!app.VoiceServer) { t = "Voice server trenutno ne radi."; c = Theme.Red; }
            else if (!app.VoiceEnabled) { t = "Voice je trenutno isključen."; c = Theme.Red; }
            else t = "Klikni sobu da uđeš.";
            if (status.Text != t) status.Text = t;
            status.ForeColor = c;
            StatusText = t; StatusColor = c;
        }

        static string RoomInfo(VRoom rm)
        {
            int n = rm.Members.Count;
            string pv = !rm.Custom ? null : rm.Privacy == "friends" ? "prijatelji" : rm.Privacy == "clan" ? "klan" : "javna";
            string cnt = rm.Limit > 0 ? n + "/" + rm.Limit : null;
            return pv != null && cnt != null ? pv + " · " + cnt : (pv ?? cnt ?? "");
        }

        void Rebuild()
        {
            var rooms = new List<VRoom>(lastRooms);
            if (vc != null && !rooms.Any(x => x.Key == vc.Room)) rooms.Insert(0, new VRoom { Key = vc.Room, Label = vc.Label });
            var known = new Dictionary<string, VMember>();
            foreach (var rm in lastRooms) foreach (var m in rm.Members) if (m.Name != null) known[m.Name] = m;
            var nr = new List<VRow>();
            Action<VRoom> addRoom = rm =>
            {
                bool here = vc != null && vc.Room == rm.Key;
                nr.Add(new VRow { Room = rm, Here = here });
                if (here)
                {
                    nr.Add(new VRow { Member = new VMember { Name = (app.Username ?? "Ti") + " (ti)", Color = app.ColorHex, Avatar = app.AvatarUrl, Speaking = vc.Talking } });
                    foreach (var m in vc.LiveMembers())
                    {
                        VMember k;
                        if (known.TryGetValue(m.Name ?? "", out k)) { m.Color = k.Color; m.Avatar = k.Avatar; }
                        nr.Add(new VRow { Member = m });
                    }
                }
                else foreach (var m in rm.Members) nr.Add(new VRow { Member = m });
            };
            nr.Add(new VRow { Header = "GLAVNE SOBE" });
            foreach (var rm in rooms.Where(x => !x.Custom)) addRoom(rm);
            var custom = rooms.Where(x => x.Custom).ToList();
            if (custom.Count > 0)
            {
                nr.Add(new VRow { Header = "SOBE ZAJEDNICE" });
                foreach (var rm in custom) addRoom(rm);
            }
            var sig = string.Join("|", nr.Select(x => x.Header != null ? "H" + x.Header : x.Room != null ? "R" + x.Room.Key + (x.Here ? "1" : "0") + x.Room.Members.Count : "M" + x.Member.Name).ToArray());
            // tko govori i boje/slike mijenjaju samo izgled, ne i redove
            var look = string.Join("|", nr.Select(x => x.Member == null ? "" : (x.Member.Speaking ? "1" : "0") + x.Member.Color + x.Member.Avatar + (AudioCfg.UserMuted(x.Member.Name ?? "") ? "m" : "")).ToArray());
            rows = nr;
            if (sig == lastSig && look == lastLook) return;
            lastLook = look;
            if (sig != lastSig)
            {
                lastSig = sig;
                int topI = list.Items.Count > 0 ? list.TopIndex : 0;
                list.BeginUpdate();
                list.Items.Clear();
                foreach (var x in nr) list.Items.Add(x);
                list.EndUpdate();
                if (topI < list.Items.Count) list.TopIndex = topI;
            }
            else list.Invalidate();
        }

        void DrawRow(object s, DrawItemEventArgs e)
        {
            if (e.Index < 0 || e.Index >= rows.Count) return;
            var r = rows[e.Index];
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var b = e.Bounds;
            using (var fill = new SolidBrush(Theme.Panel)) g.FillRectangle(fill, b);
            if (r.Header != null)
            {
                using (var f = Theme.Body(12, FontStyle.Bold))
                    TextRenderer.DrawText(g, r.Header, f, new Rectangle(b.X + Theme.D(12), b.Y + Theme.D(12), b.Width - Theme.D(24), b.Height - Theme.D(12)), Theme.Muted, TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
                return;
            }
            bool hot = e.Index == hover;
            var inner = new Rectangle(b.X + Theme.D(8), b.Y + Theme.D(1), b.Width - Theme.D(16), b.Height - Theme.D(2));
            if (r.Room != null)
            {
                if (r.Here || hot)
                    using (var p = Theme.Round(inner, Theme.D(4))) using (var fill = new SolidBrush(r.Here ? Theme.Panel3 : Theme.Panel2)) g.FillPath(fill, p);
                var fc = r.Here || hot ? Theme.Text : Theme.Muted;
                Theme.Icon(g, Theme.IcoSpeaker, "»", new Rectangle(inner.X + Theme.D(6), inner.Y, Theme.D(22), inner.Height), fc, 16);
                string info = RoomInfo(r.Room);
                int right = inner.Right - Theme.D(8);
                using (var fs = Theme.Body(11.5f))
                {
                    if (info.Length > 0)
                    {
                        var isz = TextRenderer.MeasureText(info, fs);
                        TextRenderer.DrawText(g, info, fs, new Rectangle(right - isz.Width, inner.Y, isz.Width + 2, inner.Height), Theme.Muted, TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
                        right -= isz.Width + Theme.D(6);
                    }
                }
                int x = inner.X + Theme.D(34);
                using (var f = Theme.Body(14.5f, FontStyle.Bold))
                    TextRenderer.DrawText(g, r.Room.Label ?? r.Room.Key, f, new Rectangle(x, inner.Y, Math.Max(10, right - x), inner.Height), fc, TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPadding);
            }
            else
            {
                var m = r.Member;
                if (hot) using (var p = Theme.Round(inner, Theme.D(4))) using (var fill = new SolidBrush(Theme.Panel2)) g.FillPath(fill, p);
                var bg = hot ? Theme.Panel2 : Theme.Panel;
                int x = inner.X + Theme.D(30);
                float sz = Theme.D(22);
                var ar = new RectangleF(x, b.Y + (b.Height - sz) / 2f, sz, sz);
                Theme.Avatar(g, ar, m.Color, m.Name, m.Avatar, list, null, bg);
                if (m.Speaking)
                {
                    var rr = ar;
                    rr.Inflate(Theme.D(1.5f), Theme.D(1.5f));
                    using (var pen = new Pen(Theme.On, Theme.D(2))) g.DrawEllipse(pen, rr);
                }
                bool localMuted = m.Name != null && !m.Name.EndsWith(" (ti)") && AudioCfg.UserMuted(m.Name);
                int right = inner.Right - Theme.D(6);
                if (localMuted)
                {
                    var ir = new Rectangle(right - Theme.D(18), b.Y + (b.Height - Theme.D(18)) / 2, Theme.D(18), Theme.D(18));
                    Theme.Icon(g, Theme.IcoSpeaker, "x", ir, Theme.Muted, 13);
                    Theme.Slash(g, ir, bg);
                    right -= Theme.D(22);
                }
                int tx = x + (int)sz + Theme.D(8);
                using (var f = Theme.Body(13.5f))
                    TextRenderer.DrawText(g, m.Name ?? "?", f, new Rectangle(tx, b.Y, Math.Max(10, right - tx), b.Height),
                        m.Speaking || hot ? Theme.Text : Theme.Muted, TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPadding);
            }
        }

        void RoomMenu(VRow r, Point at)
        {
            var menu = Ui.Menu();
            if (r.Room.Custom && r.Room.Owner != null) menu.Items.Add(new ToolStripMenuItem("Soba korisnika " + r.Room.Owner) { Enabled = false });
            if (!r.Here) menu.Items.Add(new ToolStripMenuItem("Uđi u sobu", null, (s, e) => app.JoinVoice(r.Room)));
            else menu.Items.Add(new ToolStripMenuItem("Izađi iz sobe", null, (s, e) => app.LeaveVoice()));
            if (r.Room.Custom && r.Room.Mine)
            {
                menu.Items.Add(new ToolStripSeparator());
                menu.Items.Add(new ToolStripMenuItem("Obriši sobu", null, (s, e) =>
                {
                    if (Dialog.Confirm(list, "Obriši sobu", "Obrisati sobu \"" + r.Room.Label + "\"? Svi koji su u njoj bit će izbačeni.", "Obriši sobu", true))
                        app.DeleteRoom(r.Room);
                }));
            }
            menu.Show(list, at);
        }

        public static void ShowMemberMenu(TrayApp app, VMember m, Control host, Point at)
        {
            string name = m.Name;
            if (name == null || name.EndsWith(" (ti)")) return;
            var menu = Ui.Menu();
            menu.Items.Add(new ToolStripMenuItem(name) { Enabled = false });
            menu.Items.Add(new ToolStripSeparator());
            float cur = AudioCfg.UserVol(name);
            foreach (var pct in new[] { 25, 50, 75, 100, 150, 200 })
            {
                int p = pct;
                menu.Items.Add(new ToolStripMenuItem("Glasnoća " + p + "%", null, (s, e) => { AudioCfg.SetUserVol(name, p / 100f); app.UserVolumeChanged(); })
                { Checked = Math.Abs(cur - p / 100f) < 0.01f });
            }
            menu.Items.Add(new ToolStripSeparator());
            bool um = AudioCfg.UserMuted(name);
            menu.Items.Add(new ToolStripMenuItem(um ? "Ukloni utišavanje" : "Utišaj samo za mene", null, (s, e) => { AudioCfg.SetUserMuted(name, !um); app.UserVolumeChanged(); host.Invalidate(); }));
            if (app.IsFriend(name)) menu.Items.Add(new ToolStripMenuItem("Pošalji poruku", null, (s, e) => app.OpenChatByName(name)));
            menu.Items.Add(new ToolStripMenuItem("Otvori profil", null, (s, e) => app.Open("/profile/" + Uri.EscapeDataString(name))));
            menu.Show(host, at);
        }
    }

    class ActivityView : UserControl
    {
        readonly TrayApp app;
        readonly ListBox list = new SmoothList();
        readonly Label empty = new Label();
        readonly Timer tick = new Timer { Interval = 1000 };
        List<ActItem> data = new List<ActItem>();
        int hover = -1;
        bool busy;
        DateTime last = DateTime.MinValue;

        public ActivityView(TrayApp app)
        {
            this.app = app;
            BackColor = Theme.Bg;
            empty.Dock = DockStyle.Fill; empty.Font = Theme.Body(14); empty.ForeColor = Theme.Muted; empty.BackColor = Theme.Bg;
            empty.TextAlign = ContentAlignment.MiddleCenter; empty.Text = "Učitavam aktivnost...";
            list.Dock = DockStyle.Fill; list.DrawMode = DrawMode.OwnerDrawFixed; list.ItemHeight = Theme.D(56);
            list.BorderStyle = BorderStyle.None; list.BackColor = Theme.Bg; list.IntegralHeight = false;
            list.SelectionMode = SelectionMode.None; list.Visible = false; list.Cursor = Cursors.Hand;
            list.DrawItem += DrawItem;
            list.MouseMove += (s, e) => { int i = list.IndexFromPoint(e.Location); if (i != hover) { hover = i; list.Invalidate(); } };
            list.MouseLeave += (s, e) => { hover = -1; list.Invalidate(); };
            list.MouseClick += (s, e) =>
            {
                int i = list.IndexFromPoint(e.Location);
                if (i < 0 || i >= data.Count) return;
                var it = data[i];
                if (it.Url != null) { try { Process.Start(it.Url); } catch { } }
                else app.Open("/profile/" + Uri.EscapeDataString(it.User ?? ""));
            };
            Theme.DarkScroll(list);
            Controls.Add(empty); Controls.Add(list);
            list.BringToFront();
            tick.Tick += (s, e) => { if (Visible && (DateTime.UtcNow - last).TotalSeconds > 30) Fetch(); };
            tick.Start();
        }

        protected override void OnVisibleChanged(EventArgs e)
        {
            if (Visible) last = DateTime.MinValue;
            base.OnVisibleChanged(e);
        }

        async void Fetch()
        {
            if (busy) return;
            busy = true;
            last = DateTime.UtcNow;
            try
            {
                var res = await Task.Run(() => app.ApiGet("/client/activity"));
                var items = new List<ActItem>();
                foreach (var x in J.A(J.Parse(res), "items"))
                {
                    var sec = J.S(x, "seconds");
                    items.Add(new ActItem
                    {
                        Type = J.S(x, "type"), User = J.S(x, "user"), Color = J.S(x, "color"), Avatar = J.S(x, "avatar"), Game = J.S(x, "game"),
                        Icon = J.S(x, "icon"), At = J.S(x, "at"), Url = J.S(x, "url"), Mine = J.B(x, "mine"),
                        Seconds = sec == null ? -1 : J.L(x, "seconds")
                    });
                }
                data = items;
                list.BeginUpdate();
                list.Items.Clear();
                foreach (var it in items) list.Items.Add(it);
                list.EndUpdate();
                list.Visible = items.Count > 0;
                empty.Visible = items.Count == 0;
                empty.Text = "Još nema aktivnosti.\nKad ti ili prijatelji zaigrate, pojavit će se ovdje.";
            }
            catch { empty.Text = "Aktivnost se trenutno ne može učitati."; }
            finally { busy = false; }
        }

        static string Sentence(ActItem it)
        {
            string who = it.Mine ? "Ti" : it.User;
            if (it.Type == "shot") return who + (it.Mine ? " si dodao screenshot" : " je dodao screenshot") + (it.Game != null ? " iz " + it.Game : "");
            if (it.Seconds < 0) return who + (it.Mine ? " igraš " : " igra ") + it.Game;
            return who + (it.Mine ? " si igrao " : " je igrao ") + it.Game + ", " + Ui.Dur(it.Seconds);
        }

        void DrawItem(object s, DrawItemEventArgs e)
        {
            if (e.Index < 0 || e.Index >= data.Count) return;
            var it = data[e.Index];
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var r = e.Bounds;
            using (var b = new SolidBrush(Theme.Bg)) g.FillRectangle(b, r);
            var bg = e.Index == hover ? Theme.MsgHover : Theme.Bg;
            var inner = new Rectangle(r.X + Theme.D(16), r.Y + Theme.D(2), r.Width - Theme.D(32), r.Height - Theme.D(4));
            if (e.Index == hover) using (var p = Theme.Round(inner, Theme.D(8))) using (var b = new SolidBrush(bg)) g.FillPath(b, p);
            Theme.Avatar(g, new RectangleF(inner.X + Theme.D(10), r.Y + Theme.D(10), Theme.D(36), Theme.D(36)), it.Color, it.User, it.Avatar, list, null, bg);
            int x = inner.X + Theme.D(58), right = inner.Right - Theme.D(12);
            var img = ImageCache.Get(it.Icon, list);
            if (img != null)
            {
                var ir = new Rectangle(right - Theme.D(26), r.Y + (r.Height - Theme.D(26)) / 2, Theme.D(26), Theme.D(26));
                g.DrawImage(Theme.Masked(img, ir.Width, ir.Height, Theme.D(6)), ir.X, ir.Y, ir.Width, ir.Height);
                right -= Theme.D(34);
            }
            int tw = Math.Max(10, right - x - Theme.D(4));
            using (var f = Theme.Body(13.5f, FontStyle.Bold))
                TextRenderer.DrawText(g, Sentence(it), f, new Rectangle(x, r.Y + Theme.D(9), tw, Theme.D(20)), it.Type == "shot" ? Theme.Text : (it.Seconds < 0 ? Theme.On : Theme.Text), bg, TextFormatFlags.EndEllipsis | TextFormatFlags.NoPadding);
            using (var f = Theme.Body(12))
                TextRenderer.DrawText(g, Ui.Ago(it.At) + (it.Url != null ? "  ·  klikni za screenshot" : ""), f, new Rectangle(x, r.Y + Theme.D(30), tw, Theme.D(16)), Theme.Muted, bg, TextFormatFlags.EndEllipsis | TextFormatFlags.NoPadding);

        }
    }

    class SRow { public Label Title, Desc; public Control Right, Body; public Func<int, int> BodyHeight; public bool Visible = true; public int Top, Height; }

    // Kartica u postavkama: zaobljena ploha s redovima (naslov, opis i kontrola desno ili ispod)
    class SCard : Panel
    {
        public readonly List<SRow> Rows = new List<SRow>();
        public string Category;

        public SCard()
        {
            DoubleBuffered = true;
            BackColor = Theme.Panel;
        }

        public SRow Add(string title, string desc, Control right)
        {
            var row = new SRow
            {
                Title = new Label { Text = title, Font = Theme.Display(15), ForeColor = Theme.Text, BackColor = Theme.Panel, AutoEllipsis = true },
                Desc = desc == null ? null : new Label { Text = desc, Font = Theme.Body(13), ForeColor = Theme.Muted, BackColor = Theme.Panel, AutoEllipsis = true },
                Right = right,
            };
            Controls.Add(row.Title);
            if (row.Desc != null) Controls.Add(row.Desc);
            if (right != null) Controls.Add(right);
            Rows.Add(row);
            return row;
        }

        // red s naslovom gore i sadrzajem preko cijele sirine ispod (npr. slicice tema)
        public SRow AddBlock(string title, string desc, Control body, Func<int, int> height)
        {
            var row = Add(title, desc, null);
            row.Body = body;
            row.BodyHeight = height;
            Controls.Add(body);
            return row;
        }

        // vraca visinu kartice
        public int LayoutRows(int width)
        {
            int y = 0, pad = Theme.D(16);
            foreach (var r in Rows)
            {
                r.Title.Visible = r.Visible;
                if (r.Desc != null) r.Desc.Visible = r.Visible;
                if (r.Right != null) r.Right.Visible = r.Visible;
                if (r.Body != null) r.Body.Visible = r.Visible;
                if (!r.Visible) continue;
                int rw = r.Right != null ? r.Right.Width : 0;
                int tw = Math.Max(Theme.D(60), width - pad * 2 - rw - (rw > 0 ? Theme.D(16) : 0));
                int h;
                if (r.Body != null)
                {
                    r.Title.SetBounds(pad, y + Theme.D(14), tw, Theme.D(22));
                    int by = y + Theme.D(42);
                    if (r.Desc != null) { r.Desc.SetBounds(pad, y + Theme.D(36), tw, Theme.D(20)); by = y + Theme.D(64); }
                    int bw = width - pad * 2, bh = r.BodyHeight(bw);
                    r.Body.SetBounds(pad, by, bw, bh);
                    h = by - y + bh + Theme.D(16);
                }
                else
                {
                    h = r.Desc != null ? Theme.D(66) : Theme.D(52);
                    if (r.Desc != null)
                    {
                        r.Title.SetBounds(pad, y + Theme.D(12), tw, Theme.D(22));
                        r.Desc.SetBounds(pad, y + Theme.D(34), tw, Theme.D(20));
                    }
                    else r.Title.SetBounds(pad, y + (h - Theme.D(22)) / 2, tw, Theme.D(22));
                    if (r.Right != null) r.Right.Location = new Point(width - pad - rw, y + (h - r.Right.Height) / 2);
                }
                r.Top = y;
                r.Height = h;
                y += h;
            }
            return y;
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Parent != null ? Parent.BackColor : Theme.Bg);
            using (var p = Theme.Round(new RectangleF(0, 0, Width - 1, Height - 1), Theme.D(8))) using (var b = new SolidBrush(Theme.Panel)) g.FillPath(b, p);
            bool first = true;
            using (var pen = new Pen(Theme.Line))
                foreach (var r in Rows)
                {
                    if (!r.Visible) continue;
                    if (!first) g.DrawLine(pen, Theme.D(16), r.Top, Width - Theme.D(16), r.Top);
                    first = false;
                }
        }
    }

    // Kartica racuna: traka u boji naglaska, veliki avatar, ime i status
    class AccountCard : Control
    {
        readonly TrayApp app;
        public readonly FlatButton Change = new FlatButton("Promijeni sliku", true), Remove = new FlatButton("Ukloni", false);
        public string Category = "account";

        public AccountCard(TrayApp app)
        {
            this.app = app;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            BackColor = Theme.Panel;
            Change.Font = Theme.Display(14);
            Remove.Font = Theme.Display(14);
            Change.Click += (s, e) => app.ChangeAvatar();
            Remove.Click += (s, e) => app.RemoveAvatar();
            Controls.AddRange(new Control[] { Change, Remove });
        }

        protected override void OnResize(EventArgs e)
        {
            base.OnResize(e);
            int bh = Theme.D(34), y = Theme.D(84);
            int cw = TextRenderer.MeasureText(Change.Text, Change.Font).Width + Theme.D(32), rw = TextRenderer.MeasureText(Remove.Text, Remove.Font).Width + Theme.D(32);
            Change.SetBounds(Width - Theme.D(16) - cw, y, cw, bh);
            Remove.SetBounds(Change.Left - Theme.D(8) - rw, y, rw, bh);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Parent != null ? Parent.BackColor : Theme.Bg);
            var card = new RectangleF(0, 0, Width - 1, Height - 1);
            using (var p = Theme.Round(card, Theme.D(8))) using (var b = new SolidBrush(Theme.Panel)) g.FillPath(b, p);
            int bh = Theme.D(72);
            using (var p = new GraphicsPath())
            {
                float d = Theme.D(16);
                p.AddArc(0, 0, d, d, 180, 90);
                p.AddArc(Width - 1 - d, 0, d, d, 270, 90);
                p.AddLine(Width - 1, bh, 0, bh);
                p.CloseFigure();
                var c = Theme.Hex(app.ColorHex, Theme.Accent);
                using (var b = new LinearGradientBrush(new Rectangle(0, 0, Width, bh), Theme.Shade(Theme.Accent, -0.1f), Theme.Shade(c, -0.35f), 0f)) g.FillPath(b, p);
            }
            float av = Theme.D(84), ax = Theme.D(16), ay = Theme.D(30);
            using (var b = new SolidBrush(Theme.Panel)) g.FillEllipse(b, ax - Theme.D(6), ay - Theme.D(6), av + Theme.D(12), av + Theme.D(12));
            var kind = app.Presence == "invisible" ? "off" : app.Presence == "dnd" ? "dnd" : app.Presence == "idle" || app.AutoIdle ? "idle" : "online";
            Theme.Avatar(g, new RectangleF(ax, ay, av, av), app.ColorHex, app.Username, app.AvatarUrl, this, kind, Theme.Panel);
            int x = (int)(ax + av + Theme.D(16)), w = Math.Max(Theme.D(40), Remove.Left - x - Theme.D(8));
            using (var f = Theme.Body(21, FontStyle.Bold))
                Txt.Draw(g, app.Username ?? "", f, new Rectangle(x, Theme.D(80), w, Theme.D(28)), Theme.Text);
            using (var f = Theme.Body(13))
                Txt.Draw(g, Theme.KindText(app.Presence == "invisible" ? "invisible" : kind), f, new Rectangle(x, Theme.D(108), w, Theme.D(20)), Theme.Muted);
        }
    }

    // Slicice za odabir (raspored ili tema): mali prikaz prozora, ime ispod, kvacica na odabranoj
    class TilePicker : Control
    {
        public string[] Names = new string[0];
        public Action<Graphics, Rectangle, int> Preview;
        public int TileW = Theme.D(150), TileH = Theme.D(92);
        int sel, hover = -1;
        public event Action<int> Picked;
        readonly List<Rectangle> tiles = new List<Rectangle>();

        public TilePicker()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            Cursor = Cursors.Hand;
        }

        public int Selected { get { return sel; } set { sel = value; Invalidate(); } }

        int Cols(int w) { int gap = Theme.D(14); return Math.Max(1, Math.Min(Names.Length, (w + gap) / (TileW + gap))); }

        public int HeightFor(int w)
        {
            int rows = (Names.Length + Cols(w) - 1) / Cols(w);
            return rows * (TileH + Theme.D(30)) + (rows - 1) * Theme.D(10);
        }

        void Relayout()
        {
            tiles.Clear();
            int cols = Cols(Width), gap = Theme.D(14);
            int tw = Math.Min(Theme.D(260), (Width - gap * (cols - 1)) / cols);
            for (int i = 0; i < Names.Length; i++)
            {
                int c = i % cols, r = i / cols;
                tiles.Add(new Rectangle(c * (tw + gap), r * (TileH + Theme.D(40)), tw, TileH));
            }
        }

        protected override void OnResize(EventArgs e) { Relayout(); base.OnResize(e); }
        int Hit(Point p) { for (int i = 0; i < tiles.Count; i++) { var t = tiles[i]; t.Height += Theme.D(28); if (t.Contains(p)) return i; } return -1; }
        protected override void OnMouseMove(MouseEventArgs e) { int h = Hit(e.Location); if (h != hover) { hover = h; Invalidate(); } base.OnMouseMove(e); }
        protected override void OnMouseLeave(EventArgs e) { hover = -1; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e) { int h = Hit(e.Location); if (h >= 0 && h != sel) { sel = h; Invalidate(); if (Picked != null) Picked(h); } base.OnMouseClick(e); }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Parent != null ? Parent.BackColor : Theme.Panel);
            if (tiles.Count != Names.Length) Relayout();
            for (int i = 0; i < tiles.Count; i++)
            {
                var t = tiles[i];
                var st = g.Save();
                using (var p = Theme.Round(t, Theme.D(8))) { g.SetClip(p); if (Preview != null) Preview(g, t, i); }
                g.Restore(st);
                g.SmoothingMode = SmoothingMode.AntiAlias;
                bool on = i == sel, hot = i == hover;
                var bt = t; bt.Inflate(1, 1);
                using (var p = Theme.Round(bt, Theme.D(9))) using (var pen = new Pen(on ? Theme.Accent : hot ? Theme.Muted : Theme.Line, on ? Theme.D(2.5f) : 1f)) g.DrawPath(pen, p);
                if (on)
                {
                    var cr = new Rectangle(t.Right - Theme.D(26), t.Y + Theme.D(6), Theme.D(20), Theme.D(20));
                    using (var b = new SolidBrush(Theme.Accent)) g.FillEllipse(b, cr);
                    Theme.Check(g, cr, Color.White, 11);
                }
                using (var f = Theme.Display(13.5f))
                    TextRenderer.DrawText(g, Names[i], f, new Rectangle(t.X, t.Bottom + Theme.D(6), t.Width, Theme.D(20)), on ? Theme.Text : Theme.Text2,
                        TextFormatFlags.HorizontalCenter | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPrefix);
            }
        }
    }

    // Krugovi s bojama naglaska
    class AccentPicker : Control
    {
        public static readonly string[] Hex = { null, "#8b6cf6", "#1db954", "#7c5cff", "#5865f2", "#ff7a2f", "#8e5cf7", "#eb459e" };
        public Color AutoColor = Theme.Accent;
        readonly ToolTip tt = new ToolTip();
        int sel, hover = -1;
        public event Action<int> Picked;

        public AccentPicker()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            Cursor = Cursors.Hand;
            Height = Theme.D(48);
        }

        public int Selected { get { return sel; } set { sel = value; Invalidate(); } }
        Rectangle Cell(int i) { int s = Theme.D(40); return new Rectangle(i * (s + Theme.D(12)) + Theme.D(4), (Height - s) / 2, s, s); }
        int Hit(Point p) { for (int i = 0; i < Hex.Length; i++) if (Cell(i).Contains(p)) return i; return -1; }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h != hover) { hover = h; tt.SetToolTip(this, h >= 0 ? Theme.AccentNames[h] : null); Invalidate(); }
            base.OnMouseMove(e);
        }
        protected override void OnMouseLeave(EventArgs e) { hover = -1; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e) { int h = Hit(e.Location); if (h >= 0 && h != sel) { sel = h; Invalidate(); if (Picked != null) Picked(h); } base.OnMouseClick(e); }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Parent != null ? Parent.BackColor : Theme.Panel);
            for (int i = 0; i < Hex.Length; i++)
            {
                var r = Cell(i);
                var c = Hex[i] == null ? AutoColor : ColorTranslator.FromHtml(Hex[i]);
                if (i == sel || i == hover)
                {
                    var rr = r; rr.Inflate(Theme.D(3), Theme.D(3));
                    using (var pen = new Pen(i == sel ? Theme.Text : Theme.Muted, Theme.D(2))) g.DrawEllipse(pen, rr);
                }
                using (var b = new SolidBrush(c)) g.FillEllipse(b, r);
                if (Hex[i] == null)
                    using (var f = Theme.Display(12)) TextRenderer.DrawText(g, "Auto", f, r, Color.White, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
                else if (i == sel) Theme.Check(g, r, Color.White, 14);
            }
        }
    }

    // Izbornik kategorija lijevo (kao Discordove korisnicke postavke)
    class SettingsNav : Control
    {
        public static readonly string[] Keys = { "account", "look", "general", "notif", "keys" };
        public static readonly string[] Names = { "Moj račun", "Izgled", "Općenito", "Obavijesti", "Prečaci i zvuk" };
        static readonly string[] Glyphs = { Theme.IcoContact, "", Theme.IcoGear, "", "" };
        int sel, hover = -1;
        public event Action<int> Changed;

        public SettingsNav()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            Cursor = Cursors.Hand;
        }

        public int Selected { get { return sel; } set { if (sel != value) { sel = value; Invalidate(); if (Changed != null) Changed(sel); } } }
        Rectangle Item(int i) { return new Rectangle(Theme.D(12), Theme.D(52) + i * Theme.D(40), Width - Theme.D(24), Theme.D(36)); }
        int Hit(Point p) { for (int i = 0; i < Keys.Length; i++) if (Item(i).Contains(p)) return i; return -1; }

        protected override void OnMouseMove(MouseEventArgs e) { int h = Hit(e.Location); if (h != hover) { hover = h; Invalidate(); } base.OnMouseMove(e); }
        protected override void OnMouseLeave(EventArgs e) { hover = -1; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e) { int h = Hit(e.Location); if (h >= 0) Selected = h; base.OnMouseClick(e); }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Theme.Panel);
            using (var f = Theme.Body(12, FontStyle.Bold))
                Txt.Draw(g, "KORISNIČKE POSTAVKE", f, new Rectangle(Theme.D(22), Theme.D(22), Width - Theme.D(30), Theme.D(22)), Theme.Muted);
            for (int i = 0; i < Keys.Length; i++)
            {
                var r = Item(i);
                bool on = i == sel, hot = i == hover;
                if (Theme.ClassicLayout)
                {
                    if (on || hot) using (var p = Theme.Round(r, Theme.D(4))) using (var b = new SolidBrush(on ? Theme.Panel3 : Theme.Panel2)) g.FillPath(b, p);
                }
                else if (on || hot)
                {
                    // odabrano: blago obojana pilula s trakom u prijelazu boje
                    using (var p = Theme.Round(r, Theme.D(10))) using (var b = new SolidBrush(on ? Fx.Mix(Theme.Panel, Theme.Accent, 0.2f) : Fx.Mix(Theme.Panel, Color.White, 0.05f))) g.FillPath(b, p);
                    if (on)
                    {
                        var bar = new RectangleF(r.X + Theme.D(4), r.Y + r.Height * 0.26f, Theme.D(3), r.Height * 0.48f);
                        using (var p = Theme.Round(bar, Theme.D(1.5f))) using (var b = new LinearGradientBrush(new RectangleF(bar.X, bar.Y - 1, bar.Width, bar.Height + 2), Theme.Accent, Theme.Accent2, 90f)) g.FillPath(b, p);
                    }
                }
                var fc = on ? Theme.Text : hot ? Theme.Text2 : Theme.Muted;
                Theme.Icon(g, Glyphs[i], "", new Rectangle(r.X + Theme.D(10), r.Y, Theme.D(20), r.Height), fc, 15);
                using (var f = Theme.Display(14.5f))
                    Txt.Draw(g, Names[i], f, new Rectangle(r.X + Theme.D(40), r.Y, r.Width - Theme.D(44), r.Height), fc);
            }
            using (var f = Theme.Body(12))
                Txt.Draw(g, "Fragline v" + TrayApp.Current.ToString(2), f, new Rectangle(Theme.D(22), Height - Theme.D(36), Width - Theme.D(30), Theme.D(20)), Theme.Muted);
            using (var pen = new Pen(Theme.Shadow)) g.DrawLine(pen, Width - 1, 0, Width - 1, Height);
        }
    }

    class SettingsView : UserControl
    {
        // boje za sicice tema: traka, bocna traka, sadrzaj, isticanje, tekst
        static readonly Dictionary<string, string[]> Pal = new Dictionary<string, string[]>
        {
            { "dash", new[] { "#2b3048", "#363c5a", "#2b3048", "#4a5276", "#ffffff", "#8b6cf6" } },
            { "nova", new[] { "#0b0d14", "#141826", "#0f121b", "#232940", "#eef0f6", "#ff8a3d" } },
            { "dark", new[] { "#000000", "#121212", "#121212", "#2a2a2a", "#ffffff", "#1db954" } },
            { "midnight", new[] { "#000000", "#0a0a0c", "#121214", "#26262b", "#f2f3f5", "#5865f2" } },
            { "fragline", new[] { "#07090f", "#0f121b", "#141826", "#232940", "#eef0f6", "#ff7a2f" } },
            { "xfire", new[] { "#0a0f17", "#111a28", "#0d131c", "#24344d", "#e8eef8", "#ff7a2f" } },
            { "aurora", new[] { "#05060a", "#0b0d14", "#10121a", "#242838", "#f2f3f5", "#8e5cf7" } },
            { "light", new[] { "#e9ecf3", "#f6f7fb", "#ffffff", "#e3e7f1", "#12151c", "#7c5cff" } },
        };

        readonly TrayApp app;
        readonly Panel scroll = new Panel();
        readonly SettingsNav nav = new SettingsNav();
        readonly Label pageTitle = new Label();
        readonly Toggle auto = new Toggle(), ng = new Toggle(), nm = new Toggle(), snd = new Toggle(), idle = new Toggle(), sfx = new Toggle(), hkv = new Toggle(), hks = new Toggle(), share = new Toggle();
        readonly TilePicker layoutPick = new TilePicker { TileW = Theme.D(190), TileH = Theme.D(104) }, themePick = new TilePicker();
        readonly AccentPicker accentPick = new AccentPicker();
        readonly AccountCard account;
        readonly List<Control> blocks = new List<Control>();
        readonly Dictionary<Control, string> cat = new Dictionary<Control, string>();
        readonly SRow applyRow, shotRow;
        readonly FlatButton shotOpen = new FlatButton("Otvori", false);
        readonly Timer refresh = new Timer { Interval = 2000 };
        string shotUrl;
        bool laying;

        static FlatButton Btn(string text, bool primary, Action click)
        {
            var b = new FlatButton(text, primary) { Font = Theme.Display(14) };
            b.Size = new Size(TextRenderer.MeasureText(text, b.Font).Width + Theme.D(32), Theme.D(34));
            b.Click += (s, e) => click();
            return b;
        }

        static Control Pair(params Control[] items)
        {
            var p = new Panel { BackColor = Theme.Panel };
            int x = 0, h = items.Max(c => c.Height);
            foreach (var c in items) { c.Location = new Point(x, (h - c.Height) / 2); x += c.Width + Theme.D(8); p.Controls.Add(c); }
            p.Size = new Size(Math.Max(1, x - Theme.D(8)), h);
            return p;
        }

        void Block(Control c, string category)
        {
            blocks.Add(c);
            cat[c] = category;
            scroll.Controls.Add(c);
        }

        SCard Card(string section, string category)
        {
            Block(new Label { Text = section.ToUpperInvariant(), Font = Theme.Body(12, FontStyle.Bold), ForeColor = Theme.Muted, BackColor = Theme.Bg, AutoSize = true }, category);
            var c = new SCard { Category = category };
            Block(c, category);
            return c;
        }

        static Color C(string h) { return ColorTranslator.FromHtml(h); }

        // mali prikaz prozora u bojama teme (novi raspored: gornja traka, sadrzaj, prijatelji desno)
        void DrawThemePreview(Graphics g, Rectangle r, int i)
        {
            var p = Pal[Theme.ThemeKeys[i]];
            int ai = accentPick.Selected;
            var accent = ai > 0 ? C(AccentPicker.Hex[ai]) : C(p[5]);
            var accent2 = ai <= 1 && Theme.ThemeKeys[i] == "dash" ? C("#ef5ea8") : Theme.Shade(accent, 0.3f);
            g.SmoothingMode = SmoothingMode.AntiAlias;
            using (var b = new SolidBrush(C(p[0]))) g.FillRectangle(b, r);
            var nav = new Rectangle(r.X, r.Y, r.Width, Theme.D(16));
            using (var b = new SolidBrush(C(p[1]))) g.FillRectangle(b, nav);
            if (Theme.ThemeKeys[i] == "aurora")
                using (var b = new LinearGradientBrush(new Rectangle(nav.X, nav.Bottom - Theme.D(2), nav.Width, Theme.D(2)), C("#8e5cf7"), C("#19c3ff"), 0f)) g.FillRectangle(b, nav.X, nav.Bottom - Theme.D(2), nav.Width, Theme.D(2));
            using (var b = new SolidBrush(accent)) g.FillEllipse(b, nav.X + Theme.D(5), nav.Y + Theme.D(4), Theme.D(8), Theme.D(8));
            using (var b = new SolidBrush(Color.FromArgb(110, C(p[4])))) for (int k = 0; k < 3; k++) g.FillRectangle(b, nav.X + Theme.D(22) + k * Theme.D(20), nav.Y + Theme.D(6), Theme.D(14), Theme.D(4));
            int gp = Theme.D(4);
            var social = new Rectangle(r.Right - r.Width / 4 - gp, nav.Bottom + gp, r.Width / 4, r.Bottom - nav.Bottom - gp * 2);
            var main = new Rectangle(r.X + gp, social.Y, social.X - r.X - gp * 2, social.Height);
            using (var pth = Theme.Round(main, Theme.D(4))) using (var b = new SolidBrush(C(p[2]))) g.FillPath(b, pth);
            using (var pth = Theme.Round(social, Theme.D(4))) using (var b = new SolidBrush(C(p[1]))) g.FillPath(b, pth);
            var hero = new Rectangle(main.X + Theme.D(5), main.Y + Theme.D(5), main.Width - Theme.D(10), Theme.D(22));
            using (var pth = Theme.Round(hero, Theme.D(4))) using (var b = new LinearGradientBrush(hero, accent, accent2, 20f)) g.FillPath(b, pth);
            using (var b = new SolidBrush(C(p[3])))
                for (int k = 0; k < 2; k++)
                    using (var pth = Theme.Round(new Rectangle(main.X + Theme.D(5) + k * (main.Width / 2 - Theme.D(2)), hero.Bottom + Theme.D(6), main.Width / 2 - Theme.D(8), Theme.D(18)), Theme.D(3))) g.FillPath(b, pth);
            for (int k = 0; k < 4; k++)
            {
                int yy = social.Y + Theme.D(6) + k * Theme.D(11);
                if (yy > social.Bottom - Theme.D(8)) break;
                using (var b = new SolidBrush(k < 2 ? C("#23a55a") : Color.FromArgb(120, C(p[4])))) g.FillEllipse(b, social.X + Theme.D(4), yy, Theme.D(6), Theme.D(6));
                using (var b = new SolidBrush(Color.FromArgb(100, C(p[4])))) g.FillRectangle(b, social.X + Theme.D(13), yy + Theme.D(2), social.Width - Theme.D(18), Theme.D(3));
            }
        }

        // mali prikaz rasporeda: moderni (Discord) ili klasicni uski (Xfire)
        void DrawLayoutPreview(Graphics g, Rectangle r, int i)
        {
            if (Theme.LayoutKeys[i] == "dock")
            {
                // dock: dva plutajuca panela na tamnoj pozadini sa sjajem i pilula s ikonama na dnu
                g.SmoothingMode = SmoothingMode.AntiAlias;
                var a1 = accentPick.Selected > 0 ? C(AccentPicker.Hex[accentPick.Selected]) : Theme.Accent;
                var a2 = accentPick.Selected > 0 ? Theme.Shade(a1, 0.3f) : Theme.Accent2;
                using (var bb = new LinearGradientBrush(r, C("#141728"), C("#0b0d18"), 70f)) g.FillRectangle(bb, r);
                using (var p = new GraphicsPath())
                {
                    p.AddEllipse(r.X - r.Width / 3, r.Y - r.Height / 2, r.Width, r.Height);
                    using (var pb = new PathGradientBrush(p) { CenterColor = Color.FromArgb(90, a1), SurroundColors = new[] { Color.FromArgb(0, a1) } }) g.FillPath(pb, p);
                }
                int gp = Theme.D(6);
                var mainR = new Rectangle(r.X + gp, r.Y + Theme.D(14), r.Width * 2 / 3 - gp, r.Height - Theme.D(40));
                var sideR = new Rectangle(mainR.Right + gp, mainR.Y, r.Right - mainR.Right - gp * 2, mainR.Height);
                using (var p = Theme.Round(mainR, Theme.D(7))) using (var bb = new SolidBrush(C("#262b42"))) g.FillPath(bb, p);
                using (var p = Theme.Round(sideR, Theme.D(7))) using (var bb = new SolidBrush(C("#262b42"))) g.FillPath(bb, p);
                var hero = new Rectangle(mainR.X + Theme.D(5), mainR.Y + Theme.D(5), mainR.Width - Theme.D(10), Theme.D(22));
                using (var p = Theme.Round(hero, Theme.D(5))) using (var lb = new LinearGradientBrush(hero, a1, a2, 20f)) g.FillPath(lb, p);
                for (int k = 0; k < 4; k++)
                    using (var bb = new SolidBrush(k < 2 ? Theme.On : C("#5a6080")))
                        g.FillEllipse(bb, sideR.X + Theme.D(5) + (k % 2) * Theme.D(16), sideR.Y + Theme.D(6) + (k / 2) * Theme.D(16), Theme.D(11), Theme.D(11));
                var dk = new Rectangle(r.X + r.Width / 2 - Theme.D(48), r.Bottom - Theme.D(20), Theme.D(96), Theme.D(15));
                using (var p = Theme.Round(dk, dk.Height / 2f)) using (var bb = new SolidBrush(C("#2f3550"))) g.FillPath(bb, p);
                for (int k = 0; k < 6; k++)
                {
                    var dot = new Rectangle(dk.X + Theme.D(8) + k * Theme.D(14), dk.Y + Theme.D(4), Theme.D(7), Theme.D(7));
                    if (k == 0) using (var lb = new LinearGradientBrush(dot, a1, a2, 45f)) g.FillEllipse(lb, dot);
                    else using (var bb = new SolidBrush(Color.FromArgb(140, Color.White))) g.FillEllipse(bb, dot);
                }
                return;
            }
            if (Theme.LayoutKeys[i] == "discord") i = 0; else i = 1;
            using (var b = new SolidBrush(i == 0 ? C("#313338") : C("#202a3a"))) g.FillRectangle(b, r);
            g.SmoothingMode = SmoothingMode.AntiAlias;
            if (i == 0)
            {
                // moderni: gornja navigacija, pozdravna kartica i kartice igara, prijatelji u ploci desno
                using (var bb = new SolidBrush(C("#07080b"))) g.FillRectangle(bb, r);
                var acc = accentPick.Selected > 0 ? C(AccentPicker.Hex[accentPick.Selected]) : C("#7c5cff");
                var acc2 = accentPick.Selected <= 1 ? C("#19c3ff") : Theme.Shade(acc, 0.3f);
                int gp = Theme.D(4);
                var navR = new Rectangle(r.X, r.Y, r.Width, Theme.D(16));
                using (var bb = new SolidBrush(C("#12151c"))) g.FillRectangle(bb, navR);
                using (var bb = new SolidBrush(acc)) g.FillEllipse(bb, navR.X + Theme.D(5), navR.Y + Theme.D(4), Theme.D(8), Theme.D(8));
                using (var bb = new SolidBrush(Color.FromArgb(110, Color.White))) for (int k = 0; k < 4; k++) g.FillRectangle(bb, navR.X + Theme.D(26) + k * Theme.D(22), navR.Y + Theme.D(6), Theme.D(16), Theme.D(4));
                using (var lb = new LinearGradientBrush(new Rectangle(navR.X + Theme.D(26), navR.Bottom - Theme.D(2), Theme.D(16), Theme.D(2)), acc, acc2, 0f)) g.FillRectangle(lb, navR.X + Theme.D(26), navR.Bottom - Theme.D(2), Theme.D(16), Theme.D(2));
                var socialR = new Rectangle(r.Right - r.Width / 4 - gp, navR.Bottom + gp, r.Width / 4, r.Bottom - navR.Bottom - gp * 2);
                var mainR = new Rectangle(r.X + gp, navR.Bottom + gp, socialR.X - r.X - gp * 2, socialR.Height);
                using (var p = Theme.Round(mainR, Theme.D(5))) using (var bb = new SolidBrush(C("#161a22"))) g.FillPath(bb, p);
                using (var p = Theme.Round(socialR, Theme.D(5))) using (var bb = new SolidBrush(C("#12151c"))) g.FillPath(bb, p);
                var hero = new Rectangle(mainR.X + Theme.D(5), mainR.Y + Theme.D(5), mainR.Width - Theme.D(10), Theme.D(24));
                using (var p = Theme.Round(hero, Theme.D(5))) using (var lb = new LinearGradientBrush(hero, acc, acc2, 25f)) g.FillPath(lb, p);
                for (int k = 0; k < 2; k++)
                {
                    var card = new Rectangle(mainR.X + Theme.D(5) + k * (mainR.Width / 2 - Theme.D(2)), hero.Bottom + Theme.D(6), mainR.Width / 2 - Theme.D(8), Theme.D(20));
                    using (var p = Theme.Round(card, Theme.D(4))) using (var bb = new SolidBrush(C("#1e232d"))) g.FillPath(bb, p);
                    using (var p = Theme.Round(new Rectangle(card.X + Theme.D(3), card.Y + Theme.D(3), Theme.D(14), Theme.D(14)), Theme.D(3))) using (var bb = new SolidBrush(acc2)) g.FillPath(bb, p);
                }
                for (int k = 0; k < 5; k++)
                {
                    int yy = socialR.Y + Theme.D(6) + k * Theme.D(11);
                    if (yy > socialR.Bottom - Theme.D(10)) break;
                    using (var bb = new SolidBrush(k < 2 ? Theme.On : C("#8a93a6"))) g.FillEllipse(bb, socialR.X + Theme.D(4), yy, Theme.D(7), Theme.D(7));
                    using (var bb = new SolidBrush(Color.FromArgb(110, Color.White))) g.FillRectangle(bb, socialR.X + Theme.D(14), yy + Theme.D(2), socialR.Width - Theme.D(20), Theme.D(3));
                }
                return;
            }
            var col = new Rectangle(r.X + r.Width / 2 - r.Width / 6, r.Y + Theme.D(6), r.Width / 3, r.Height - Theme.D(12));
            using (var b = new SolidBrush(C("#0d131c"))) g.FillRectangle(b, col);
            using (var b = new LinearGradientBrush(new Rectangle(col.X, col.Y, col.Width, Theme.D(20)), C("#3a5478"), C("#16223a"), 90f)) g.FillRectangle(b, col.X, col.Y, col.Width, Theme.D(20));
            using (var b = new SolidBrush(C("#ff6a1a"))) g.FillRectangle(b, col.X, col.Y + Theme.D(20), col.Width, Theme.D(2));
            using (var b = new SolidBrush(C("#4a6a95"))) g.FillRectangle(b, col.X + Theme.D(3), col.Y + Theme.D(4), Theme.D(12), Theme.D(12));
            using (var b = new LinearGradientBrush(new Rectangle(col.X, col.Y + Theme.D(26), col.Width, Theme.D(8)), C("#2b3f5e"), C("#172338"), 90f)) g.FillRectangle(b, col.X, col.Y + Theme.D(26), col.Width, Theme.D(8));
            for (int k = 0; k < 5; k++)
            {
                int y = col.Y + Theme.D(38) + k * Theme.D(10);
                if (y + Theme.D(8) > col.Bottom - Theme.D(10)) break;
                using (var b = new SolidBrush(C("#4a6a95"))) g.FillRectangle(b, col.X + Theme.D(3), y, Theme.D(7), Theme.D(7));
                using (var b = new SolidBrush(k < 2 ? C("#ffa040") : C("#7f8ea6"))) g.FillRectangle(b, col.X + Theme.D(13), y + Theme.D(2), col.Width - Theme.D(18), Theme.D(3));
            }
            using (var b = new LinearGradientBrush(new Rectangle(col.X, col.Bottom - Theme.D(8), col.Width, Theme.D(8)), C("#2b3f5e"), C("#16223a"), 90f)) g.FillRectangle(b, col.X, col.Bottom - Theme.D(8), col.Width, Theme.D(8));
            // mali chat prozor sa strane, kao u starim messengerima
            var chat = new Rectangle(col.Right + Theme.D(10), col.Y + Theme.D(16), r.Right - col.Right - Theme.D(18), col.Height - Theme.D(30));
            if (chat.Width > Theme.D(20))
            {
                using (var b = new SolidBrush(C("#313338"))) g.FillRectangle(b, chat);
                using (var b = new SolidBrush(C("#16223a"))) g.FillRectangle(b, chat.X, chat.Y, chat.Width, Theme.D(8));
                using (var b = new SolidBrush(Color.FromArgb(110, Color.White))) for (int k = 0; k < 3; k++) g.FillRectangle(b, chat.X + Theme.D(4), chat.Y + Theme.D(14) + k * Theme.D(9), chat.Width - Theme.D(12) - k * Theme.D(6), Theme.D(3));
            }
        }

        public SettingsView(TrayApp app)
        {
            this.app = app;
            BackColor = Theme.Bg;
            scroll.BackColor = Theme.Bg;
            scroll.AutoScroll = true;
            pageTitle.Font = Theme.Body(21, FontStyle.Bold);
            pageTitle.ForeColor = Theme.Text;
            pageTitle.BackColor = Theme.Bg;
            pageTitle.AutoSize = true;
            Controls.Add(nav);
            Controls.Add(scroll);
            SlimBar.Attach(scroll);
            scroll.Controls.Add(pageTitle);
            nav.Changed += i => { scroll.AutoScrollPosition = Point.Empty; Relayout(); };

            // --- moj racun ---
            account = new AccountCard(app);
            Block(new Label { Text = "PROFIL", Font = Theme.Body(12, FontStyle.Bold), ForeColor = Theme.Muted, BackColor = Theme.Bg, AutoSize = true }, "account");
            Block(account, "account");
            var web = Card("Na webu", "account");
            web.Add("Web messenger", "Fragline u pregledniku, sa svim porukama.", Btn("Otvori", false, () => app.Open("/app")));
            web.Add("Moj profil", "Tvoja javna stranica sa screenshotovima i igrama.", Btn("Otvori", false, () => app.OpenProfile()));
            var danger = Card("Odjava", "account");
            var logout = Btn("Odjavi se", false, () => app.LogoutAndAsk());
            logout.Danger = true;
            danger.Add("Odjavi se s ovog računala", "Morat ćeš se ponovno prijaviti korisničkim imenom i lozinkom.", logout);

            // --- izgled: slicice umjesto padajucih izbornika ---
            layoutPick.Names = Theme.LayoutNames;
            layoutPick.Preview = DrawLayoutPreview;
            layoutPick.Selected = Math.Max(0, Array.IndexOf(Theme.LayoutKeys, Prefs.Str("layout", "dock")));
            themePick.Names = Theme.ThemeNames.Select(n => n.Replace(" (animirana)", " (animirana)").Replace(" (crna)", "").Replace(" (plava noć)", "").Replace(" (Xfire)", "")).ToArray();
            themePick.Preview = DrawThemePreview;
            themePick.Selected = Math.Max(0, Array.IndexOf(Theme.ThemeKeys, Prefs.Str("theme", "dash")));
            accentPick.Selected = Math.Max(0, Array.IndexOf(Theme.AccentKeys, Prefs.Str("accent", "auto")));
            accentPick.AutoColor = C(Pal[Theme.ThemeKeys[themePick.Selected]][5]);
            var look = Card("Izgled", "look");
            look.AddBlock("Raspored", "Dock je novi izgled s plutajućim panelima. Promjena vrijedi nakon ponovnog pokretanja.", layoutPick, layoutPick.HeightFor);
            look.AddBlock("Tema", "Boje cijele aplikacije. Aurora se polako prelijeva bojama.", themePick, themePick.HeightFor);
            look.AddBlock("Boja naglaska", "Gumbi, odabrane stavke i oznake.", accentPick, w => Theme.D(48));
            applyRow = look.Add("Promjene su spremljene", "Vrijede nakon ponovnog pokretanja aplikacije.", Btn("Ponovno pokreni", true, () => app.Restart()));
            applyRow.Visible = false;
            layoutPick.Picked += i =>
            {
                var lk = Theme.LayoutKeys[i];
                Prefs.Set("layout", lk);
                // uz klasicni raspored ide i klasicna plava tema (moze se promijeniti)
                if (lk == "xfire" || Prefs.Str("theme", "dash") == "xfire") PickTheme(Array.IndexOf(Theme.ThemeKeys, lk == "xfire" ? "xfire" : "dash"));
                ShowApply();
            };
            themePick.Picked += i => PickTheme(i);
            accentPick.Picked += i => { Prefs.Set("accent", Theme.AccentKeys[i]); themePick.Invalidate(); layoutPick.Invalidate(); ShowApply(); };

            // --- opcenito ---
            var gen = Card("Općenito", "general");
            gen.Add("Pokreni s Windowsima", "Fragline se pokrene skriven kraj sata.", auto);
            gen.Add("Automatski \"Odsutan\"", "Nakon 10 minuta bez miša i tipkovnice.", idle);
            gen.Add("Dijeli server s prijateljima", "Prijatelji vide na kojem serveru igraš (gdje je to moguće otkriti).", share);

            // --- obavijesti ---
            var notif = Card("Obavijesti", "notif");
            notif.Add("Kad prijatelj zaigra", null, ng);
            notif.Add("Nove poruke", "Obavijest kraj sata kad ti netko piše.", nm);
            notif.Add("Zvuk za nove poruke", null, snd);
            notif.Add("Zvukovi u voiceu", "Kad netko uđe ili izađe iz sobe.", sfx);

            // --- precaci i zvuk ---
            var keys = Card("Prečaci", "keys");
            keys.Add("Mikrofon i zvuk", "Ctrl+Shift+M isključuje mikrofon, Ctrl+Shift+D zvuk.", hkv);
            keys.Add("Screenshot", "Scroll Lock u igri šalje sliku na tvoj profil.", hks);
            var media = Card("Zvuk i screenshot", "keys");
            media.Add("Zvuk i mikrofon", "Uređaji, glasnoća, osjetljivost i utišavanje buke.", Btn("Postavke zvuka", false, () => app.ShowAudioSettings()));
            shotOpen.Font = Theme.Display(14);
            shotOpen.Size = new Size(TextRenderer.MeasureText("Otvori", shotOpen.Font).Width + Theme.D(32), Theme.D(34));
            shotOpen.Visible = false;
            shotOpen.Click += (s, e) => { if (shotUrl != null) { try { Process.Start(shotUrl); } catch { } } };
            shotRow = media.Add("Zadnji screenshot", "Još ništa. Stisni Scroll Lock u igri.", Pair(shotOpen, Btn("Snimi sada", false, () => app.Screenshot())));

            auto.CheckedChanged += (s, e) => TrayApp.SetAuto(auto.Checked);
            ng.CheckedChanged += (s, e) => Prefs.Set("notify_games", ng.Checked);
            nm.CheckedChanged += (s, e) => Prefs.Set("notify_msgs", nm.Checked);
            snd.CheckedChanged += (s, e) => Prefs.Set("msg_sound", snd.Checked);
            idle.CheckedChanged += (s, e) => Prefs.Set("auto_idle", idle.Checked);
            share.CheckedChanged += (s, e) => Prefs.Set("share_server", share.Checked);
            sfx.CheckedChanged += (s, e) => AudioCfg.Sounds = sfx.Checked;
            hkv.CheckedChanged += (s, e) => { Prefs.Set("hk_voice", hkv.Checked); app.ApplyHotkeys(); };
            hks.CheckedChanged += (s, e) => { Prefs.Set("hk_shot", hks.Checked); app.ApplyHotkeys(); };
            refresh.Tick += (s, e) => { if (Visible && account.Visible) { account.Remove.Visible = app.AvatarUrl != null; account.Invalidate(); } };
            refresh.Start();
            Theme.DarkScroll(scroll);
            Relayout();
        }

        void PickTheme(int i)
        {
            if (i < 0) return;
            themePick.Selected = i;
            Prefs.Set("theme", Theme.ThemeKeys[i]);
            accentPick.AutoColor = C(Pal[Theme.ThemeKeys[i]][5]);
            accentPick.Invalidate();
            ShowApply();
        }

        void ShowApply()
        {
            if (applyRow.Visible) return;
            applyRow.Visible = true;
            Relayout();
        }

        protected override void OnResize(EventArgs e) { base.OnResize(e); Relayout(); }

        bool Wide { get { return Width >= Theme.D(760); } }

        // siroko: izbornik lijevo i samo odabrana kategorija; usko: sve u jednom stupcu
        void Relayout()
        {
            if (laying || account == null || refresh == null) return;
            laying = true;
            int before = scroll.ClientSize.Width;
            try
            {
                int navW = Wide ? Theme.D(232) : 0;
                nav.Visible = Wide;
                nav.SetBounds(0, 0, navW, Height);
                scroll.SetBounds(navW, 0, Math.Max(10, Width - navW), Height);
                int cw = scroll.ClientSize.Width;
                int colW = Math.Min(Math.Max(Theme.D(300), cw - Theme.D(56)), Theme.D(720));
                int x0 = Wide ? Theme.D(40) : Math.Max(Theme.D(16), (cw - colW) / 2);
                if (Wide) colW = Math.Min(colW, cw - Theme.D(80));
                int y = Theme.D(28) + scroll.AutoScrollPosition.Y;
                string only = Wide ? SettingsNav.Keys[nav.Selected] : null;
                pageTitle.Visible = Wide;
                if (Wide)
                {
                    pageTitle.Text = SettingsNav.Names[nav.Selected];
                    pageTitle.Location = new Point(x0, y);
                    y += Theme.D(52);
                }
                foreach (var b in blocks)
                {
                    bool show = only == null || cat[b] == only;
                    b.Visible = show;
                    if (!show) continue;
                    var card = b as SCard;
                    if (b == account) { account.SetBounds(x0, y, colW, Theme.D(140)); y += Theme.D(140) + Theme.D(28); }
                    else if (card != null)
                    {
                        int h = card.LayoutRows(colW);
                        card.SetBounds(x0, y, colW, h);
                        card.Invalidate();
                        y += h + Theme.D(28);
                    }
                    else { b.Location = new Point(x0 + Theme.D(4), y); y += Theme.D(24); }
                }
                scroll.AutoScrollMinSize = new Size(0, y - scroll.AutoScrollPosition.Y + Theme.D(16));
            }
            finally { laying = false; }
            // pojava trake za pomicanje suzi prostor, pa slozi jos jednom
            if (scroll.ClientSize.Width != before) Relayout();
        }

        protected override void OnVisibleChanged(EventArgs e)
        {
            if (Visible)
            {
                auto.Checked = TrayApp.IsAuto();
                ng.Checked = Prefs.Bool("notify_games", true);
                nm.Checked = Prefs.Bool("notify_msgs", true);
                snd.Checked = Prefs.Bool("msg_sound", true);
                idle.Checked = Prefs.Bool("auto_idle", true);
                share.Checked = Prefs.Bool("share_server", true);
                sfx.Checked = AudioCfg.Sounds;
                hkv.Checked = Prefs.Bool("hk_voice", true);
                hks.Checked = Prefs.Bool("hk_shot", true);
                account.Remove.Visible = app.AvatarUrl != null;
                account.Invalidate();
            }
            base.OnVisibleChanged(e);
        }

        public void SetShot(string game, string url)
        {
            shotUrl = url;
            shotRow.Desc.Text = "Danas u " + DateTime.Now.ToString("HH:mm") + (game != null ? ", " + game : "") + ".";
            shotOpen.Visible = url != null;
        }
    }
}

// ===================== Shell.cs =====================
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Globalization;
using System.Linq;
using System.Net;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Fragline
{
    static class Txt
    {
        static readonly CultureInfo Hr = CreateHr();
        static CultureInfo CreateHr() { try { return new CultureInfo("hr-HR"); } catch { return CultureInfo.InvariantCulture; } }

        // Sto prijatelj trenutno radi (igra ili voice), ili null
        public static string Activity(Friend f)
        {
            if (f == null) return null;
            if (f.Status == "play" && f.Game != null) { var s = Theme.Since(f.Since); return "Igra " + f.Game + (s != null ? " · " + s : ""); }
            if (f.Voice != null) return "U voiceu: " + f.Voice;
            return null;
        }

        public static string Day(DateTime local)
        {
            var today = DateTime.Now.Date;
            if (local.Date == today) return "Danas";
            if (local.Date == today.AddDays(-1)) return "Jučer";
            return local.ToString("d. MMMM yyyy.", Hr);
        }

        public static string When(DateTime local)
        {
            var today = DateTime.Now.Date;
            if (local.Date == today) return "Danas u " + local.ToString("HH:mm");
            if (local.Date == today.AddDays(-1)) return "Jučer u " + local.ToString("HH:mm");
            return local.ToString("dd.MM.yyyy. HH:mm");
        }

        public static int Rank(Friend f) { return f.Status == "play" ? 0 : f.Status == "on" ? 1 : 2; }

        public static void Draw(Graphics g, string text, Font f, Rectangle r, Color c, TextFormatFlags extra = 0)
        {
            TextRenderer.DrawText(g, text ?? "", f, r, c, TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPadding | TextFormatFlags.NoPrefix | extra);
        }
    }

    // Zaglavlje bocne trake: naslov i jedna ikona-gumb desno
    class SideHead : Control
    {
        readonly string glyph;
        readonly ToolTip tt = new ToolTip();
        bool hot;
        public event Action ActionClicked;

        public SideHead(string title, string glyph, string tip)
        {
            Text = title;
            this.glyph = glyph;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            BackColor = Theme.Panel;
            if (tip != null) tt.SetToolTip(this, tip);
        }

        Rectangle Btn() { int s = Theme.D(26); return new Rectangle(Width - Theme.D(12) - s, (Height - s) / 2, s, s); }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            bool h = glyph != null && Btn().Contains(e.Location);
            if (h != hot) { hot = h; Cursor = h ? Cursors.Hand : Cursors.Default; Invalidate(); }
            base.OnMouseMove(e);
        }
        protected override void OnMouseLeave(EventArgs e) { hot = false; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e)
        {
            if (glyph != null && Btn().Contains(e.Location) && ActionClicked != null) ActionClicked();
            base.OnMouseClick(e);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.Clear(Theme.Panel);
            using (var f = Theme.Body(15, FontStyle.Bold))
                Txt.Draw(g, Text, f, new Rectangle(Theme.D(16), 0, Width - Theme.D(56), Height), Theme.Text);
            if (glyph != null) Theme.Icon(g, glyph, "+", Btn(), hot ? Theme.Text : Theme.Muted, 15);
            using (var pen = new Pen(Theme.Shadow, Theme.D(1))) g.DrawLine(pen, 0, Height - 1, Width, Height - 1);
        }
    }

    class SideRow { public string Kind, Key, Text, Glyph; public Friend F; }

    // Bocna traka pocetne: Prijatelji, Aktivnost i direktne poruke
    class HomeList : UserControl
    {
        readonly TrayApp app;
        readonly Panel head = new Panel();
        readonly TextBox search = new TextBox();
        readonly ListBox list = new SmoothList();
        List<SideRow> rows = new List<SideRow>();
        List<Friend> friends = new List<Friend>();
        int requests, hover = -1;
        string sel = "nav:friends", lastSig = "";
        readonly bool dmOnly;
        public event Action<string> Picked;

        public HomeList(TrayApp app, bool dmOnly = false)
        {
            this.dmOnly = dmOnly;
            this.app = app;
            BackColor = Theme.Panel;
            head.Dock = DockStyle.Top;
            head.Height = Theme.D(48);
            head.BackColor = Theme.Panel;
            head.Paint += (s, e) =>
            {
                var g = e.Graphics;
                g.SmoothingMode = SmoothingMode.AntiAlias;
                using (var p = Theme.Round(new Rectangle(Theme.D(10), Theme.D(10), head.Width - Theme.D(20), Theme.D(28)), Theme.D(4)))
                using (var b = new SolidBrush(Theme.Field)) g.FillPath(b, p);
                using (var pen = new Pen(Theme.Shadow, Theme.D(1))) g.DrawLine(pen, 0, head.Height - 1, head.Width, head.Height - 1);
            };
            search.BorderStyle = BorderStyle.None;
            search.BackColor = Theme.Field;
            search.ForeColor = Theme.Text;
            search.Font = Theme.Body(13.5f);
            Theme.Cue(search, "Pronađi razgovor");
            head.Controls.Add(search);
            head.Resize += (s, e) => search.SetBounds(Theme.D(18), Theme.D(10) + (Theme.D(28) - search.PreferredHeight) / 2, Math.Max(10, head.Width - Theme.D(36)), search.PreferredHeight);
            search.TextChanged += (s, e) => Rebuild();

            list.Dock = DockStyle.Fill; list.DrawMode = DrawMode.OwnerDrawVariable; list.BorderStyle = BorderStyle.None;
            list.BackColor = Theme.Panel; list.IntegralHeight = false; list.SelectionMode = SelectionMode.None;
            list.MeasureItem += (s, e) =>
            {
                var r = e.Index >= 0 && e.Index < rows.Count ? rows[e.Index] : null;
                e.ItemHeight = r == null ? Theme.D(40) : r.Kind == "nav" ? Theme.D(44) : r.Kind == "head" ? Theme.D(40) : r.Kind == "empty" ? Theme.D(60) : Theme.D(44);
            };
            list.DrawItem += DrawRow;
            list.MouseMove += (s, e) => { int i = list.IndexFromPoint(e.Location); if (i != hover) { hover = i; list.Cursor = i >= 0 && i < rows.Count && rows[i].Kind != "empty" ? Cursors.Hand : Cursors.Default; list.Invalidate(); } };
            list.MouseLeave += (s, e) => { hover = -1; list.Invalidate(); };
            list.MouseUp += (s, e) =>
            {
                int i = list.IndexFromPoint(e.Location);
                if (i < 0 || i >= rows.Count) return;
                var r = rows[i];
                if (e.Button == MouseButtons.Right && r.F != null)
                {
                    var name = r.F.Username;
                    var menu = Ui.Menu();
                    menu.Items.Add(new ToolStripMenuItem("Pošalji poruku", null, (a, b) => app.OpenChatByName(name)));
                    menu.Items.Add(new ToolStripMenuItem("Pozovi", null, (a, b) => app.CallByName(name)));
                    menu.Items.Add(new ToolStripMenuItem("Otvori profil", null, (a, b) => app.Open("/profile/" + Uri.EscapeDataString(name))));
                    menu.Items.Add(new ToolStripSeparator());
                    menu.Items.Add(new ToolStripMenuItem("Ukloni prijatelja", null, (a, b) => app.RemoveFriend(name)) { ForeColor = Theme.Red });
                    menu.Show(list, e.Location);
                    return;
                }
                if (e.Button != MouseButtons.Left) return;
                if (r.Kind == "head") app.ShowAddFriend();
                else if (r.Key != null) { Select(r.Key); if (Picked != null) Picked(r.Key); }
            };
            Theme.DarkScroll(list);
            Controls.Add(list); Controls.Add(head);
            list.BringToFront();
            Rebuild();
        }

        public void Select(string key) { if (sel != key) { sel = key; list.Invalidate(); } }

        public void SetData(List<Friend> f, int req) { friends = f; requests = req; Rebuild(); }

        void Rebuild()
        {
            var q = search.Text.Trim();
            var nr = new List<SideRow>();
            if (!dmOnly)
            {
                nr.Add(new SideRow { Kind = "nav", Key = "nav:friends", Text = "Prijatelji", Glyph = Theme.IcoPeople });
                nr.Add(new SideRow { Kind = "nav", Key = "nav:activity", Text = "Aktivnost", Glyph = Theme.IcoHistory });
                nr.Add(new SideRow { Kind = "nav", Key = "nav:servers", Text = "Serveri", Glyph = Theme.IcoGame });
            }
            nr.Add(new SideRow { Kind = "head", Text = dmOnly ? "RAZGOVORI" : "DIREKTNE PORUKE" });
            foreach (var f in friends.Where(x => q.Length == 0 || (x.Username ?? "").IndexOf(q, StringComparison.OrdinalIgnoreCase) >= 0)
                         .OrderByDescending(x => x.Unread > 0).ThenBy(Txt.Rank).ThenBy(x => x.Username, StringComparer.OrdinalIgnoreCase))
                nr.Add(new SideRow { Kind = "dm", Key = "dm:" + f.Username, Text = f.Username, F = f });
            if (!nr.Any(x => x.Kind == "dm")) nr.Add(new SideRow { Kind = "empty", Text = q.Length > 0 ? "Nitko ne odgovara traženju." : "Još nemaš prijatelja. Dodaj ih klikom na + iznad." });
            var sig = string.Join("|", nr.Select(x => x.Kind + x.Key + x.Text).ToArray());
            rows = nr;
            if (sig != lastSig)
            {
                lastSig = sig;
                int top = list.Items.Count > 0 ? list.TopIndex : 0;
                list.BeginUpdate();
                list.Items.Clear();
                foreach (var x in nr) list.Items.Add(x);
                list.EndUpdate();
                if (top < list.Items.Count) list.TopIndex = top;
            }
            else list.Invalidate();
        }

        void DrawRow(object s, DrawItemEventArgs e)
        {
            if (e.Index < 0 || e.Index >= rows.Count) return;
            var r = rows[e.Index];
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var b = e.Bounds;
            using (var fill = new SolidBrush(Theme.Panel)) g.FillRectangle(fill, b);
            bool hot = e.Index == hover;
            if (r.Kind == "head")
            {
                using (var f = Theme.Body(12, FontStyle.Bold))
                    Txt.Draw(g, r.Text, f, new Rectangle(b.X + Theme.D(18), b.Y + Theme.D(14), b.Width - Theme.D(50), b.Height - Theme.D(14)), hot ? Theme.Text2 : Theme.Muted);
                Theme.Icon(g, Theme.IcoAdd, "+", new Rectangle(b.Right - Theme.D(34), b.Y + Theme.D(14), Theme.D(20), b.Height - Theme.D(14)), hot ? Theme.Text : Theme.Muted, 12);
                return;
            }
            if (r.Kind == "empty")
            {
                using (var f = Theme.Body(13))
                    TextRenderer.DrawText(g, r.Text, f, new Rectangle(b.X + Theme.D(18), b.Y + Theme.D(6), b.Width - Theme.D(36), b.Height - Theme.D(6)), Theme.Muted, TextFormatFlags.WordBreak | TextFormatFlags.NoPrefix);
                return;
            }
            bool selected = r.Key == sel;
            var inner = new Rectangle(b.X + Theme.D(8), b.Y + Theme.D(1), b.Width - Theme.D(16), b.Height - Theme.D(2));
            var bg = Theme.ClassicLayout ? (selected ? Theme.Panel3 : hot ? Theme.Panel2 : Theme.Panel)
                : selected ? Fx.Mix(Theme.Panel, Theme.Accent, 0.2f) : hot ? Fx.Mix(Theme.Panel, Color.White, 0.05f) : Theme.Panel;
            if (selected || hot) using (var p = Theme.Round(inner, Theme.ClassicLayout ? Theme.D(4) : Theme.D(12))) using (var fill = new SolidBrush(bg)) g.FillPath(fill, p);
            if (selected && !Theme.ClassicLayout)
                using (var bar = new LinearGradientBrush(new Rectangle(inner.X, inner.Y, Theme.D(3), inner.Height), Theme.Accent, Theme.Accent2, 90f))
                using (var p = Theme.Round(new Rectangle(inner.X + Theme.D(2), inner.Y + Theme.D(9), Theme.D(3), inner.Height - Theme.D(18)), Theme.D(1.5f))) g.FillPath(bar, p);
            var fc = selected || hot ? Theme.Text : Theme.Muted;

            if (r.Kind == "nav")
            {
                Theme.Icon(g, r.Glyph, r.Text.Substring(0, 1), new Rectangle(inner.X + Theme.D(8), inner.Y, Theme.D(26), inner.Height), fc, 18);
                int right = inner.Right - Theme.D(8);
                if (r.Key == "nav:friends" && requests > 0)
                    Theme.Pill(g, requests.ToString(), new Rectangle(inner.X, inner.Y, right - inner.X, inner.Height), true, Color.Empty);
                using (var f = Theme.Body(15, FontStyle.Bold))
                    Txt.Draw(g, r.Text, f, new Rectangle(inner.X + Theme.D(44), inner.Y, right - inner.X - Theme.D(70), inner.Height), fc);
                return;
            }

            var fr = r.F;
            string kind = fr.Kind;
            float av = Theme.D(32);
            Theme.Avatar(g, new RectangleF(inner.X + Theme.D(8), inner.Y + (inner.Height - av) / 2f, av, av), fr.Color, fr.Username, fr.Avatar, list, kind, bg);
            int x = inner.X + Theme.D(50), rgt = inner.Right - Theme.D(8);
            if (fr.Unread > 0)
            {
                var txt = fr.Unread > 99 ? "99+" : fr.Unread.ToString();
                Theme.Pill(g, txt, new Rectangle(x, inner.Y, rgt - x, inner.Height), true, Color.Empty);
                rgt -= Theme.D(30);
            }
            var nameColor = selected || hot || fr.Unread > 0 ? Theme.Text : kind == "off" ? Theme.Shade(Theme.Muted, -0.25f) : Theme.Muted;
            var sub = Txt.Activity(fr) ?? (kind == "dnd" || kind == "idle" ? Theme.KindText(kind) : null);
            using (var f = Theme.Body(15, fr.Unread > 0 ? FontStyle.Bold : FontStyle.Regular))
            {
                if (sub == null) Txt.Draw(g, fr.Username, f, new Rectangle(x, inner.Y, Math.Max(10, rgt - x), inner.Height), nameColor);
                else
                {
                    Txt.Draw(g, fr.Username, f, new Rectangle(x, inner.Y + Theme.D(3), Math.Max(10, rgt - x), Theme.D(20)), nameColor);
                    using (var fs = Theme.Body(12))
                        Txt.Draw(g, sub, fs, new Rectangle(x, inner.Y + Theme.D(22), Math.Max(10, rgt - x), Theme.D(16)), Theme.Muted);
                }
            }
        }
    }

    // Donji lijevi panel: avatar, ime, status i gumbi za mikrofon, zvuk i postavke
    class UserPanel : Control
    {
        public string User = "", ColorHex, Avatar, Game, Presence = "online";
        public DateTime? SinceUtc;
        public bool Offline, Idle, Muted, Deaf;
        readonly ToolTip tt = new ToolTip();
        int hot = -1;
        public event Action<Point> ProfileClicked;
        public event Action MicClicked, DeafClicked, SettingsClicked;

        public UserPanel()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            BackColor = Theme.UserBar;
            Anim.Hook(this);
        }

        public string Kind
        {
            get
            {
                if (Offline || Presence == "invisible") return "off";
                if (Presence == "dnd") return "dnd";
                if (Presence == "idle" || Idle) return "idle";
                return "online";
            }
        }

        Rectangle Btn(int i) { int s = Theme.D(32); return new Rectangle(Width - Theme.D(8) - s * (3 - i), (Height - s) / 2, s, s); }
        Rectangle Prof() { return new Rectangle(Theme.D(6), Theme.D(6), Math.Max(10, Btn(0).X - Theme.D(10)), Height - Theme.D(12)); }

        int Hit(Point p)
        {
            if (Prof().Contains(p)) return 0;
            for (int i = 0; i < 3; i++) if (Btn(i).Contains(p)) return i + 1;
            return -1;
        }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h != hot)
            {
                hot = h;
                Cursor = h >= 0 ? Cursors.Hand : Cursors.Default;
                tt.SetToolTip(this, h == 0 ? "Promijeni status" : h == 1 ? (Muted ? "Uključi mikrofon" : "Isključi mikrofon") : h == 2 ? (Deaf ? "Uključi zvuk" : "Isključi zvuk") : h == 3 ? "Postavke" : null);
                Invalidate();
            }
            base.OnMouseMove(e);
        }

        protected override void OnMouseLeave(EventArgs e) { hot = -1; Invalidate(); base.OnMouseLeave(e); }

        protected override void OnMouseClick(MouseEventArgs e)
        {
            Fire(Hit(e.Location), new Point(Prof().X, 0));
            Invalidate();
            base.OnMouseClick(e);
        }

        protected void Fire(int h, Point menuAt)
        {
            if (h == 0 && ProfileClicked != null) ProfileClicked(menuAt);
            else if (h == 1 && MicClicked != null) MicClicked();
            else if (h == 2 && DeafClicked != null) DeafClicked();
            else if (h == 3 && SettingsClicked != null) SettingsClicked();
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.Clear(Parent != null ? Parent.BackColor : Theme.UserBar);
            g.SmoothingMode = SmoothingMode.AntiAlias;
            using (var p = Theme.Round(new RectangleF(0, 0, Width, Height), Theme.D(12)))
            {
                using (var b = new SolidBrush(Theme.UserBar)) g.FillPath(b, p);
                if (Theme.Animated)
                {
                    var st = g.Save();
                    g.SetClip(p);
                    Anim.Fill(g, ClientRectangle, 0.7f, 0.16f, 0f);
                    g.Restore(st);
                    g.SmoothingMode = SmoothingMode.AntiAlias;
                }
            }
            var pr = Prof();
            var pbg = hot == 0 ? Theme.Panel3 : Theme.UserBar;
            if (hot == 0) using (var p = Theme.Round(pr, Theme.D(4))) using (var b = new SolidBrush(pbg)) g.FillPath(b, p);
            float av = Theme.D(32);
            Theme.Avatar(g, new RectangleF(pr.X + Theme.D(2), (Height - av) / 2f, av, av), ColorHex, User, Avatar, this, Kind, pbg);
            int x = pr.X + Theme.D(42), w = Math.Max(10, pr.Right - x - Theme.D(2));
            using (var f = Theme.Body(14, FontStyle.Bold))
                Txt.Draw(g, User, f, new Rectangle(x, Height / 2 - Theme.D(17), w, Theme.D(18)), Theme.Text);
            string sub; Color sc = Theme.Muted;
            if (Offline) { sub = "Nema veze sa serverom"; sc = Theme.Red; }
            else if (Game != null) sub = "Igra " + Game + (SinceUtc.HasValue ? " · " + Theme.Since(new DateTimeOffset(SinceUtc.Value, TimeSpan.Zero).ToString("o")) : "");
            else sub = Theme.KindText(Presence == "invisible" ? "invisible" : Kind);
            using (var f = Theme.Body(12))
                Txt.Draw(g, sub, f, new Rectangle(x, Height / 2 + Theme.D(1), w, Theme.D(16)), sc);

            for (int i = 0; i < 3; i++)
            {
                var r = Btn(i);
                var bbg = hot == i + 1 ? Theme.Panel3 : Theme.UserBar;
                if (hot == i + 1) using (var p = Theme.Round(r, Theme.D(4))) using (var b = new SolidBrush(bbg)) g.FillPath(b, p);
                bool off = (i == 0 && Muted) || (i == 1 && Deaf);
                var col = off ? Theme.Red : Theme.Text2;
                Theme.Icon(g, i == 0 ? Theme.IcoMic : i == 1 ? Theme.IcoHead : Theme.IcoGear, i == 0 ? "M" : i == 1 ? "Z" : "P", r, col, 18);
                if (off) Theme.Slash(g, r, bbg);
            }
        }
    }

    // Zaglavlje sadrzaja: ikona, naslov, kartice i gumb (kao "Prijatelji | Online Svi Na cekanju | Dodaj prijatelja")
    class PageHeader : Control
    {
        public string Glyph, TextIcon, Title, Sub, Kind, ActionText, RightGlyph, RightTip, Right2Glyph, Right2Tip;
        // moderni izgled: avatar osobe u zaglavlju razgovora (umjesto znaka @)
        public string AvatarName, AvatarColor, AvatarUrl;
        public bool ActionActive;
        public Color SubColor = Theme.Muted;
        public string[] Tabs = new string[0];
        public int[] TabBadges;
        int tab;
        readonly List<Rectangle> tabRects = new List<Rectangle>();
        Rectangle actionRect, rightRect, right2Rect;
        int hot = -1;
        readonly ToolTip tt = new ToolTip();
        public event Action<int> TabChanged;
        public event Action ActionClicked, RightClicked, Right2Clicked;

        public PageHeader()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            BackColor = Theme.Bg;
            Anim.Hook(this, () => new Rectangle(0, Height - Theme.D(3), Width, Theme.D(3)));
        }

        public int Tab { get { return tab; } set { if (tab != value) { tab = value; Invalidate(); if (TabChanged != null) TabChanged(tab); } } }

        int Hit(Point p)
        {
            for (int i = 0; i < tabRects.Count; i++) if (tabRects[i].Contains(p)) return i;
            if (ActionText != null && actionRect.Contains(p)) return 100;
            if (RightGlyph != null && rightRect.Contains(p)) return 101;
            if (Right2Glyph != null && right2Rect.Contains(p)) return 102;
            return -1;
        }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h != hot) { hot = h; Cursor = h >= 0 ? Cursors.Hand : Cursors.Default; tt.SetToolTip(this, h == 101 ? RightTip : h == 102 ? Right2Tip : null); Invalidate(); }
            base.OnMouseMove(e);
        }
        protected override void OnMouseLeave(EventArgs e) { hot = -1; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h >= 0 && h < 100) { tab = h; Invalidate(); if (TabChanged != null) TabChanged(h); }
            else if (h == 100 && ActionClicked != null) ActionClicked();
            else if (h == 101 && RightClicked != null) RightClicked();
            else if (h == 102 && Right2Clicked != null) Right2Clicked();
            base.OnMouseClick(e);
        }

        void RoundGlass(Graphics g, Rectangle r, string icon, bool hot, bool call)
        {
            using (var b = new SolidBrush(hot && call ? Theme.On : Fx.Mix(Theme.Bg, Color.White, hot ? 0.14f : 0.07f))) g.FillEllipse(b, r);
            if (!hot) using (var pen = new Pen(Fx.Mix(Theme.Bg, Color.White, 0.12f))) g.DrawEllipse(pen, r);
            float s = r.Width * 0.46f;
            Vec.Draw(g, icon, new RectangleF(r.X + (r.Width - s) / 2, r.Y + (r.Height - s) / 2, s, s), hot ? Color.White : Theme.Text2, Math.Max(1.4f, Theme.D(1.6f)));
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.Clear(Theme.Bg);
            g.SmoothingMode = SmoothingMode.AntiAlias;
            if (Theme.ClassicLayout) using (var pen = new Pen(Theme.Shadow, Theme.D(1))) g.DrawLine(pen, 0, Height - 1, Width, Height - 1);
            else using (var pen = new Pen(Theme.Line, Theme.D(1))) g.DrawLine(pen, Theme.D(16), Height - 1, Width - Theme.D(16), Height - 1);
            if (Theme.Animated) Anim.Fill(g, new Rectangle(0, Height - Theme.D(2), Width, Theme.D(2)), 0.8f, 1f, 0f);
            int x = Theme.D(16), right = Width - Theme.D(16);
            if (!Theme.ClassicLayout && (RightGlyph == Theme.IcoContact || RightGlyph == null) && (Right2Glyph == Theme.IcoPhone || Right2Glyph == null) && (RightGlyph != null || Right2Glyph != null))
            {
                // stakleni okrugli gumbi s nacrtanim ikonama (profil, poziv)
                int bs = Theme.D(36);
                if (RightGlyph != null)
                {
                    rightRect = new Rectangle(right - bs, (Height - bs) / 2, bs, bs);
                    RoundGlass(g, rightRect, "user", hot == 101, false);
                    right = rightRect.X - Theme.D(8);
                }
                if (Right2Glyph != null)
                {
                    right2Rect = new Rectangle(right - bs, (Height - bs) / 2, bs, bs);
                    RoundGlass(g, right2Rect, "phone", hot == 102, true);
                    right = right2Rect.X - Theme.D(10);
                }
            }
            else
            {
            if (RightGlyph != null)
            {
                rightRect = new Rectangle(right - Theme.D(28), (Height - Theme.D(28)) / 2, Theme.D(28), Theme.D(28));
                Theme.Icon(g, RightGlyph, "i", rightRect, hot == 101 ? Theme.Text : Theme.Muted, 18);
                right = rightRect.X - Theme.D(10);
            }
            if (Right2Glyph != null)
            {
                right2Rect = new Rectangle(right - Theme.D(28), (Height - Theme.D(28)) / 2, Theme.D(28), Theme.D(28));
                Theme.Icon(g, Right2Glyph, "T", right2Rect, hot == 102 ? Theme.On : Theme.Muted, 18);
                right = right2Rect.X - Theme.D(10);
            }
            }
            if (AvatarName != null && !Theme.ClassicLayout)
            {
                float av = Theme.D(34);
                var ar = new RectangleF(x, (Height - av) / 2f, av, av);
                Theme.Avatar(g, ar, AvatarColor, AvatarName, AvatarUrl, this, Kind, Theme.Bg);
                x += Theme.D(46);
            }
            else if (Glyph != null)
            {
                Theme.Icon(g, Glyph, "", new Rectangle(x, 0, Theme.D(24), Height), Theme.Muted, 20);
                x += Theme.D(34);
            }
            else if (TextIcon != null)
            {
                using (var f = Theme.Body(21))
                {
                    var sz = TextRenderer.MeasureText(TextIcon, f);
                    Txt.Draw(g, TextIcon, f, new Rectangle(x, 0, sz.Width, Height), Theme.Muted);
                    x += sz.Width;
                }
            }
            using (var f = Theme.ClassicLayout ? Theme.Body(16, FontStyle.Bold) : Theme.Display(18))
            {
                var sz = TextRenderer.MeasureText(Title ?? "", f, Size.Empty, TextFormatFlags.NoPadding);
                int tw = Math.Min(sz.Width + Theme.D(2), Math.Max(10, right - x));
                Txt.Draw(g, Title, f, new Rectangle(x, 0, tw, Height), Theme.Text);
                x += tw + Theme.D(8);
            }
            if (Kind != null && (AvatarName == null || Theme.ClassicLayout))
            {
                float ds = Theme.D(10);
                Theme.StatusDot(g, new RectangleF(x, (Height - ds) / 2f, ds, ds), Kind, Theme.Bg);
                x += Theme.D(20);
            }
            if (Sub != null && x < right)
            {
                using (var pen = new Pen(Theme.Panel3, Theme.D(1))) g.DrawLine(pen, x, Height / 2 - Theme.D(11), x, Height / 2 + Theme.D(11));
                x += Theme.D(10);
                using (var f = Theme.Body(13.5f))
                    Txt.Draw(g, Sub, f, new Rectangle(x, 0, Math.Max(10, right - x), Height), SubColor);
            }
            tabRects.Clear();
            if (Tabs.Length > 0)
            {
                x += Theme.D(6);
                using (var f = Theme.Display(14))
                {
                    // sve kartice u jednoj zaobljenoj "piluli", odabrana u prijelazu boje naglaska
                    var widths = new List<int>();
                    for (int i = 0; i < Tabs.Length; i++)
                    {
                        int badge = TabBadges != null && i < TabBadges.Length ? TabBadges[i] : 0;
                        widths.Add(TextRenderer.MeasureText(Tabs[i], f, Size.Empty, TextFormatFlags.NoPadding).Width + Theme.D(28) + (badge > 0 ? Theme.D(24) : 0));
                    }
                    int ph = Theme.D(34), py = (Height - ph) / 2;
                    var pill = new Rectangle(x, py, widths.Sum() + Theme.D(8), ph);
                    using (var p = Theme.Round(pill, ph / 2f)) using (var b = new SolidBrush(Theme.Field)) g.FillPath(b, p);
                    int tx = pill.X + Theme.D(4);
                    for (int i = 0; i < Tabs.Length; i++)
                    {
                        int badge = TabBadges != null && i < TabBadges.Length ? TabBadges[i] : 0;
                        var r = new Rectangle(tx, py + Theme.D(4), widths[i], ph - Theme.D(8));
                        tabRects.Add(r);
                        bool sel = i == tab && !ActionActive, h = i == hot;
                        if (sel)
                            using (var p = Theme.Round(r, r.Height / 2f)) using (var b = new LinearGradientBrush(r, Theme.Accent, Theme.Accent2, 0f)) g.FillPath(b, p);
                        else if (h)
                            using (var p = Theme.Round(r, r.Height / 2f)) using (var b = new SolidBrush(Theme.Panel2)) g.FillPath(b, p);
                        var tr = new Rectangle(r.X + Theme.D(14), r.Y, r.Width - Theme.D(28) - (badge > 0 ? Theme.D(24) : 0), r.Height);
                        TextRenderer.DrawText(g, Tabs[i], f, tr, sel ? Color.White : h ? Theme.Text : Theme.Muted, TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
                        if (badge > 0) Theme.Pill(g, badge.ToString(), new Rectangle(r.X, r.Y, r.Width - Theme.D(10), r.Height), true, Color.Empty);
                        tx = r.Right;
                    }
                    x = pill.Right + Theme.D(12);
                    if (ActionText != null)
                    {
                        var sz = TextRenderer.MeasureText(ActionText, f, Size.Empty, TextFormatFlags.NoPadding);
                        actionRect = new Rectangle(x, py, sz.Width + Theme.D(32), ph);
                        using (var p = Theme.Round(actionRect, ph / 2f))
                        {
                            if (ActionActive || hot == 100)
                                using (var b = new LinearGradientBrush(actionRect, Theme.Shade(Theme.On, ActionActive ? 0 : 0.1f), Theme.Shade(Theme.On, -0.25f), 0f)) g.FillPath(b, p);
                            using (var pen = new Pen(Theme.On, Theme.D(1.5f))) g.DrawPath(pen, p);
                        }
                        TextRenderer.DrawText(g, ActionText, f, actionRect, ActionActive || hot == 100 ? Color.White : Theme.On, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
                    }
                }
            }
        }
    }

    class HeaderPage : UserControl
    {
        readonly PageHeader head;
        readonly Control body;

        public HeaderPage(PageHeader h, Control b)
        {
            head = h;
            body = b;
            BackColor = Theme.Bg;
            Controls.Add(body);
            Controls.Add(head);
        }

        protected override void OnResize(EventArgs e)
        {
            base.OnResize(e);
            if (head == null || body == null) return;
            head.SetBounds(0, 0, Width, Theme.D(48));
            body.SetBounds(0, Theme.D(48), Width, Math.Max(0, Height - Theme.D(48)));
        }
    }

    // Desni stupac "Trenutno aktivni" na stranici prijatelja
    class ActiveNow : Control
    {
        readonly TrayApp app;
        List<Friend> items = new List<Friend>();
        readonly List<Rectangle> cards = new List<Rectangle>();
        int hover = -1;

        public ActiveNow(TrayApp app)
        {
            this.app = app;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            BackColor = Theme.Bg;
        }

        public void SetData(List<Friend> all)
        {
            items = all.Where(f => f.Status == "play" || (f.Voice != null && f.Kind != "off")).OrderBy(Txt.Rank).ThenBy(f => f.Username, StringComparer.OrdinalIgnoreCase).Take(12).ToList();
            Invalidate();
        }

        int Hit(Point p) { for (int i = 0; i < cards.Count; i++) if (cards[i].Contains(p)) return i; return -1; }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h != hover) { hover = h; Cursor = h >= 0 ? Cursors.Hand : Cursors.Default; Invalidate(); }
            base.OnMouseMove(e);
        }
        protected override void OnMouseLeave(EventArgs e) { hover = -1; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h >= 0 && h < items.Count) app.OpenChat(items[h]);
            base.OnMouseClick(e);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.Clear(Theme.Bg);
            g.SmoothingMode = SmoothingMode.AntiAlias;
            using (var pen = new Pen(Theme.Line, Theme.D(1))) g.DrawLine(pen, 0, 0, 0, Height);
            int pad = Theme.D(16);
            using (var f = Theme.Body(20, FontStyle.Bold))
                Txt.Draw(g, "Trenutno aktivni", f, new Rectangle(pad, Theme.D(16), Width - pad * 2, Theme.D(30)), Theme.Text);
            cards.Clear();
            if (items.Count == 0)
            {
                using (var f = Theme.Body(15, FontStyle.Bold))
                    TextRenderer.DrawText(g, "Zasad je tiho...", f, new Rectangle(pad, Theme.D(70), Width - pad * 2, Theme.D(24)), Theme.Text, TextFormatFlags.HorizontalCenter | TextFormatFlags.NoPrefix);
                using (var f = Theme.Body(13))
                    TextRenderer.DrawText(g, "Kad prijatelj zaigra ili uđe u voice, vidjet ćeš to ovdje.", f, new Rectangle(pad + Theme.D(10), Theme.D(98), Width - pad * 2 - Theme.D(20), Theme.D(60)), Theme.Muted, TextFormatFlags.HorizontalCenter | TextFormatFlags.WordBreak | TextFormatFlags.NoPrefix);
                return;
            }
            int y = Theme.D(60);
            for (int i = 0; i < items.Count; i++)
            {
                var f = items[i];
                var r = new Rectangle(pad, y, Width - pad * 2, Theme.D(68));
                if (r.Bottom > Height) break;
                cards.Add(r);
                var bg = i == hover ? Theme.Panel2 : Theme.Panel;
                using (var p = Theme.Round(r, Theme.D(8))) using (var b = new SolidBrush(bg)) g.FillPath(b, p);
                float av = Theme.D(32);
                Theme.Avatar(g, new RectangleF(r.X + Theme.D(14), r.Y + (r.Height - av) / 2f, av, av), f.Color, f.Username, f.Avatar, this, f.Kind, bg);
                int x = r.X + Theme.D(58), rgt = r.Right - Theme.D(12);
                var img = f.GameIcon != null ? ImageCache.Get(f.GameIcon, this) : null;
                if (img != null)
                {
                    var ir = new Rectangle(rgt - Theme.D(36), r.Y + (r.Height - Theme.D(36)) / 2, Theme.D(36), Theme.D(36));
                    g.DrawImage(Theme.Masked(img, ir.Width, ir.Height, Theme.D(8)), ir.X, ir.Y, ir.Width, ir.Height);
                    rgt = ir.X - Theme.D(8);
                }
                using (var fn = Theme.Body(14.5f, FontStyle.Bold))
                    Txt.Draw(g, f.Username, fn, new Rectangle(x, r.Y + Theme.D(14), Math.Max(10, rgt - x), Theme.D(20)), Theme.Text);
                using (var fs = Theme.Body(12.5f))
                    Txt.Draw(g, Txt.Activity(f), fs, new Rectangle(x, r.Y + Theme.D(35), Math.Max(10, rgt - x), Theme.D(18)), Theme.Muted);
                y += Theme.D(76);
            }
        }
    }

    // Stranica "Prijatelji": Online / Svi / Na cekanju / Dodaj prijatelja
    class FriendsPage : UserControl
    {
        readonly TrayApp app;
        readonly PageHeader head = new PageHeader { Glyph = Theme.IcoPeople, Title = "Prijatelji", Tabs = new[] { "Online", "Svi", "Na čekanju" }, ActionText = "Dodaj prijatelja" };
        readonly ListBox list = new SmoothList();
        readonly Label empty = new Label();
        readonly ActiveNow active;
        readonly Panel addPanel = new Panel(), addField = new Panel();
        readonly TextBox addBox = new TextBox();
        readonly FlatButton addBtn = new FlatButton("Pošalji zahtjev", true);
        readonly Label addTitle, addSub, addResult;
        List<Friend> all = new List<Friend>();
        List<FriendReq> reqs = new List<FriendReq>();
        List<object> rows = new List<object>();
        int requests, hover = -1, hotBtn;
        bool adding;
        Point mouse;
        string lastSig = "";

        public FriendsPage(TrayApp app)
        {
            this.app = app;
            BackColor = Theme.Bg;
            active = new ActiveNow(app);
            head.TabChanged += t => { adding = false; head.ActionActive = false; Rebuild(); };
            head.ActionClicked += () => ShowAdd();

            list.DrawMode = DrawMode.OwnerDrawVariable; list.BorderStyle = BorderStyle.None; list.BackColor = Theme.Bg;
            list.IntegralHeight = false; list.SelectionMode = SelectionMode.None;
            list.MeasureItem += (s, e) => { e.ItemHeight = e.Index >= 0 && e.Index < rows.Count && rows[e.Index] is string ? Theme.D(44) : Theme.D(62); };
            list.DrawItem += DrawRow;
            list.MouseMove += (s, e) =>
            {
                mouse = e.Location;
                int i = list.IndexFromPoint(e.Location);
                int hb = 0;
                if (i >= 0 && i < rows.Count && !(rows[i] is string))
                {
                    var b = list.GetItemRectangle(i);
                    hb = LeftBtn(b).Contains(e.Location) ? 1 : RightBtn(b).Contains(e.Location) ? 2 : 0;
                }
                if (i != hover || hb != hotBtn)
                {
                    hover = i;
                    hotBtn = hb;
                    list.Cursor = i >= 0 && i < rows.Count && !(rows[i] is string) ? Cursors.Hand : Cursors.Default;
                    list.Invalidate();
                }
            };
            list.MouseLeave += (s, e) => { hover = -1; list.Invalidate(); };
            list.MouseUp += (s, e) =>
            {
                int i = list.IndexFromPoint(e.Location);
                if (i < 0 || i >= rows.Count) return;
                var b = list.GetItemRectangle(i);
                var f = rows[i] as Friend;
                var rq = rows[i] as FriendReq;
                if (f != null && e.Button == MouseButtons.Right)
                {
                    var name = f.Username;
                    var menu = Ui.Menu();
                    menu.Items.Add(new ToolStripMenuItem("Pošalji poruku", null, (a, c) => app.OpenChat(f)));
                    menu.Items.Add(new ToolStripMenuItem("Pozovi", null, (a, c) => app.Call(f)));
                    menu.Items.Add(new ToolStripMenuItem("Otvori profil", null, (a, c) => app.Open("/profile/" + Uri.EscapeDataString(name))));
                    menu.Items.Add(new ToolStripSeparator());
                    menu.Items.Add(new ToolStripMenuItem("Ukloni prijatelja", null, (a, c) => app.RemoveFriend(name)) { ForeColor = Theme.Red });
                    menu.Show(list, e.Location);
                    return;
                }
                if (e.Button != MouseButtons.Left) return;
                if (f != null)
                {
                    if (LeftBtn(b).Contains(e.Location)) app.Call(f);
                    else app.OpenChat(f);
                }
                else if (rq != null)
                {
                    if (rq.Incoming && LeftBtn(b).Contains(e.Location)) app.AcceptRequest(rq);
                    else if (RightBtn(b).Contains(e.Location)) app.DeleteRequest(rq);
                    else app.Open("/profile/" + Uri.EscapeDataString(rq.Username));
                }
            };
            Theme.DarkScroll(list);

            empty.Font = Theme.Body(15); empty.ForeColor = Theme.Muted; empty.BackColor = Theme.Bg;
            empty.TextAlign = ContentAlignment.MiddleCenter;

            // obrazac za dodavanje prijatelja
            addPanel.BackColor = Theme.Bg;
            addPanel.Visible = false;
            addTitle = Ui.Lbl("DODAJ PRIJATELJA", 16, Theme.Text, 0, 0, true);
            addSub = Ui.Lbl("Prijatelje možeš dodati pomoću njihovog korisničkog imena.", 14, Theme.Muted, 0, 0);
            addResult = Ui.Lbl("", 13.5f, Theme.On, 0, 0);
            addField.BackColor = Theme.Bg;
            addField.Paint += (s, e) =>
            {
                e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
                var rr = new Rectangle(0, 0, addField.Width - 1, addField.Height - 1);
                using (var p = Theme.Round(rr, Theme.D(8)))
                {
                    using (var b = new SolidBrush(Theme.Field)) e.Graphics.FillPath(b, p);
                    var bc = addResult.Text.Length == 0 ? (addBox.Focused ? Theme.Link : Theme.Field) : addResult.ForeColor;
                    using (var pen = new Pen(bc, 1.4f)) e.Graphics.DrawPath(pen, p);
                }
            };
            addBox.BorderStyle = BorderStyle.None;
            addBox.BackColor = Theme.Field;
            addBox.ForeColor = Theme.Text;
            addBox.Font = Theme.Body(15);
            addBox.MaxLength = 32;
            Theme.Cue(addBox, "Upiši korisničko ime");
            addBox.TextChanged += (s, e) => { addBtn.Enabled = addBox.Text.Trim().Length > 0; if (addResult.Text.Length > 0) { addResult.Text = ""; addField.Invalidate(); } };
            addBox.GotFocus += (s, e) => addField.Invalidate();
            addBox.LostFocus += (s, e) => addField.Invalidate();
            addBox.KeyDown += (s, e) => { if (e.KeyCode == Keys.Enter) { e.SuppressKeyPress = true; SendRequest(); } };
            addBtn.Enabled = false;
            addBtn.Font = Theme.Body(13.5f, FontStyle.Bold);
            addBtn.Click += (s, e) => SendRequest();
            addField.Controls.AddRange(new Control[] { addBox, addBtn });
            addPanel.Controls.AddRange(new Control[] { addTitle, addSub, addField, addResult });

            Controls.AddRange(new Control[] { head, list, empty, active, addPanel });
            Rebuild();
        }

        Rectangle RightBtn(Rectangle b) { int s = Theme.D(36); return new Rectangle(b.Right - Theme.D(10) - s, b.Y + (b.Height - s) / 2, s, s); }
        Rectangle LeftBtn(Rectangle b) { var m = RightBtn(b); return new Rectangle(m.X - m.Width - Theme.D(10), m.Y, m.Width, m.Height); }

        protected override void OnResize(EventArgs e)
        {
            base.OnResize(e);
            if (active == null || addResult == null) return;
            int top = Theme.D(48);
            head.SetBounds(0, 0, Width, top);
            bool side = Width >= Theme.D(880);
            int aw = side ? Theme.D(340) : 0;
            active.Visible = side;
            active.SetBounds(Width - aw, top, aw, Math.Max(0, Height - top));
            var lr = new Rectangle(Theme.D(20), top + Theme.D(8), Math.Max(10, Width - aw - Theme.D(40)), Math.Max(10, Height - top - Theme.D(8)));
            list.Bounds = lr;
            empty.Bounds = lr;
            addPanel.Bounds = new Rectangle(lr.X, top + Theme.D(12), lr.Width, Theme.D(160));
            int w = addPanel.Width;
            addTitle.Location = new Point(0, Theme.D(8));
            addSub.Location = new Point(0, Theme.D(36));
            addField.SetBounds(0, Theme.D(68), w, Theme.D(52));
            int bw = Theme.D(150);
            addBtn.SetBounds(w - bw - Theme.D(10), Theme.D(10), bw, Theme.D(32));
            addBox.SetBounds(Theme.D(14), (Theme.D(52) - addBox.PreferredHeight) / 2, Math.Max(10, w - bw - Theme.D(40)), addBox.PreferredHeight);
            addResult.Location = new Point(Theme.D(2), Theme.D(128));
        }

        public void ShowAdd()
        {
            adding = true;
            head.ActionActive = true;
            head.Invalidate();
            Rebuild();
            addBox.Focus();
        }

        async void SendRequest()
        {
            var name = addBox.Text.Trim();
            if (name.Length == 0 || !addBtn.Enabled) return;
            addBtn.Enabled = false;
            var res = await app.AddFriend(name);
            addResult.ForeColor = res.Item1 ? Theme.On : Theme.Red;
            if (res.Item1) addBox.Text = "";
            addResult.Text = res.Item2;
            addBtn.Enabled = addBox.Text.Trim().Length > 0;
            addField.Invalidate();
            addBox.Focus();
        }

        public void SetData(List<Friend> f, int req)
        {
            all = f;
            requests = req;
            Rebuild();
        }

        public void SetRequests(List<FriendReq> r)
        {
            reqs = r;
            Rebuild();
        }

        public void Refresh2() { list.Invalidate(); active.Invalidate(); }

        void Rebuild()
        {
            int tab = head.Tab;
            int incoming = reqs.Count(x => x.Incoming);
            head.TabBadges = new[] { 0, 0, Math.Max(incoming, requests) };
            head.Invalidate();
            active.SetData(all);
            var nr = new List<object>();
            if (tab == 2)
            {
                if (reqs.Count == 0) empty.Text = "Nema zahtjeva na čekanju.\nKlikni \"Dodaj prijatelja\" gore da nekoga dodaš.";
                else
                {
                    nr.Add("NA ČEKANJU — " + reqs.Count);
                    nr.AddRange(reqs.OrderByDescending(x => x.Incoming).ThenBy(x => x.Username, StringComparer.OrdinalIgnoreCase));
                }
            }
            else
            {
                IEnumerable<Friend> src = tab == 0 ? all.Where(f => f.Kind != "off") : (IEnumerable<Friend>)all;
                var lst = src.OrderBy(Txt.Rank).ThenBy(f => f.Username, StringComparer.OrdinalIgnoreCase).ToList();
                if (lst.Count == 0) empty.Text = tab == 0 ? "Nitko od prijatelja trenutno nije online." : "Još nemaš prijatelja.\nKlikni \"Dodaj prijatelja\" gore.";
                else
                {
                    nr.Add((tab == 0 ? "ONLINE" : "SVI PRIJATELJI") + " — " + lst.Count);
                    nr.AddRange(lst);
                }
            }
            addPanel.Visible = adding;
            list.Visible = !adding && nr.Count > 0;
            empty.Visible = !adding && nr.Count == 0;
            var sig = tab + ":" + string.Join("|", nr.Select(o => o is Friend ? ((Friend)o).Username : o is FriendReq ? "r" + ((FriendReq)o).Id : (string)o).ToArray());
            rows = nr;
            if (sig != lastSig)
            {
                lastSig = sig;
                list.BeginUpdate();
                list.Items.Clear();
                foreach (var o in nr) list.Items.Add(o);
                list.EndUpdate();
            }
            else list.Invalidate();
        }

        void RoundBtn(Graphics g, Rectangle btn, bool rowHot, string glyph, string fb, Color hoverColor)
        {
            bool over = rowHot && btn.Contains(mouse);
            using (var fill = new SolidBrush(rowHot ? Theme.Rail : Theme.Panel)) g.FillEllipse(fill, btn);
            Theme.Icon(g, glyph, fb, btn, over ? hoverColor : Theme.Muted, 15);
        }

        void DrawRow(object s, DrawItemEventArgs e)
        {
            if (e.Index < 0 || e.Index >= rows.Count) return;
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var b = e.Bounds;
            using (var fill = new SolidBrush(Theme.Bg)) g.FillRectangle(fill, b);
            var label = rows[e.Index] as string;
            if (label != null)
            {
                using (var f = Theme.Body(12, FontStyle.Bold))
                    Txt.Draw(g, label, f, new Rectangle(b.X + Theme.D(10), b.Y + Theme.D(16), b.Width - Theme.D(20), b.Height - Theme.D(16)), Theme.Muted);
                return;
            }
            bool hot = e.Index == hover;
            var bg = hot ? Theme.Panel2 : Theme.Bg;
            if (hot) using (var p = Theme.Round(b, Theme.D(8))) using (var fill = new SolidBrush(bg)) g.FillPath(fill, p);
            else if (e.Index > 0 && !(rows[e.Index - 1] is string) && e.Index - 1 != hover)
                using (var pen = new Pen(Theme.Line)) g.DrawLine(pen, b.X + Theme.D(10), b.Y, b.Right - Theme.D(10), b.Y);

            var fr = rows[e.Index] as Friend;
            var rq = rows[e.Index] as FriendReq;
            string name = fr != null ? fr.Username : rq.Username;
            string sub = fr != null ? (Txt.Activity(fr) ?? Theme.KindText(fr.Kind)) : rq.Incoming ? "Dolazni zahtjev za prijateljstvo" : "Odlazni zahtjev za prijateljstvo";
            float av = Theme.D(32);
            Theme.Avatar(g, new RectangleF(b.X + Theme.D(10), b.Y + (b.Height - av) / 2f, av, av), fr != null ? fr.Color : rq.Color, name, fr != null ? fr.Avatar : rq.Avatar, list, fr != null ? fr.Kind : null, bg);
            var lb = LeftBtn(b);
            int x = b.X + Theme.D(54), w = Math.Max(10, lb.X - x - Theme.D(8));
            using (var f = Theme.Body(15.5f, FontStyle.Bold))
                Txt.Draw(g, name, f, new Rectangle(x, b.Y + Theme.D(10), w, Theme.D(22)), Theme.Text);
            using (var f = Theme.Body(13))
                Txt.Draw(g, sub, f, new Rectangle(x, b.Y + Theme.D(32), w, Theme.D(18)), Theme.Muted);
            if (fr != null)
            {
                RoundBtn(g, lb, hot, Theme.IcoPhone, "T", Theme.On);
                RoundBtn(g, RightBtn(b), hot, Theme.IcoMsg, "P", Theme.Text);
            }
            else
            {
                if (rq.Incoming) RoundBtn(g, lb, hot, Theme.IcoCheck, "✓", Theme.On);
                RoundBtn(g, RightBtn(b), hot, Theme.IcoClose, "✕", Theme.Red);
            }
        }
    }

    class ChatRow { public ChatMsg M; public bool Head, Intro; public string Date; }

    // Direktne poruke u glavnom prozoru, u stilu Discorda
    class ChatView : UserControl
    {
        const TextFormatFlags Wrap = TextFormatFlags.WordBreak | TextFormatFlags.TextBoxControl | TextFormatFlags.NoPrefix;
        readonly TrayApp app;
        readonly PageHeader head = new PageHeader { TextIcon = "@", RightGlyph = Theme.IcoContact, RightTip = "Otvori profil", Right2Glyph = Theme.IcoPhone, Right2Tip = "Pozovi" };
        readonly ListBox list = new SmoothList();
        readonly Panel composer = new Panel();
        readonly TextBox input = new TextBox();
        readonly List<ChatMsg> msgs = new List<ChatMsg>();
        readonly List<ChatRow> rows = new List<ChatRow>();
        readonly Timer poll = new Timer { Interval = 2500 };
        Friend friend;
        long lastId;
        bool busy, loaded, intro, overDel;
        int hover = -1, lastW, gen;

        public string FriendName { get { return friend != null ? friend.Username : null; } }
        bool sendHot;
        Rectangle PillRect() { return new Rectangle(Theme.D(16), Theme.D(6), Math.Max(Theme.D(80), composer.Width - Theme.D(32)), Theme.D(50)); }
        Rectangle SendRect() { var pr = PillRect(); int s = pr.Height - Theme.D(12); return new Rectangle(pr.Right - s - Theme.D(6), pr.Y + Theme.D(6), s, s); }

        public ChatView(TrayApp app)
        {
            this.app = app;
            BackColor = Theme.Bg;
            head.RightClicked += () => { if (friend != null) app.Open("/profile/" + Uri.EscapeDataString(friend.Username)); };
            head.Right2Clicked += () => { if (friend != null) app.Call(friend); };

            list.DrawMode = DrawMode.OwnerDrawVariable; list.BorderStyle = BorderStyle.None; list.BackColor = Theme.Bg;
            list.IntegralHeight = false; list.SelectionMode = SelectionMode.None;
            list.MeasureItem += Measure;
            list.DrawItem += DrawRow;
            list.MouseMove += (s, e) =>
            {
                int i = list.IndexFromPoint(e.Location);
                bool od = i >= 0 && i < rows.Count && rows[i].M != null && rows[i].M.Mine && DelBtn(list.GetItemRectangle(i), rows[i]).Contains(e.Location);
                if (i == hover && od == overDel) return;
                hover = i;
                overDel = od;
                list.Cursor = od ? Cursors.Hand : Cursors.Default;
                list.Invalidate();
            };
            list.MouseLeave += (s, e) => { hover = -1; overDel = false; list.Invalidate(); };
            list.MouseUp += (s, e) =>
            {
                int i = list.IndexFromPoint(e.Location);
                if (i < 0 || i >= rows.Count || rows[i].M == null) return;
                var m = rows[i].M;
                if (e.Button == MouseButtons.Left)
                {
                    if (m.Mine && DelBtn(list.GetItemRectangle(i), rows[i]).Contains(e.Location)) Delete(m, (ModifierKeys & Keys.Shift) != 0);
                    return;
                }
                if (e.Button != MouseButtons.Right) return;
                var text = m.Body;
                var menu = Ui.Menu();
                menu.Items.Add(new ToolStripMenuItem("Kopiraj tekst", null, (a, b) => { try { Clipboard.SetText(text); } catch { } }));
                if (m.Mine)
                {
                    menu.Items.Add(new ToolStripSeparator());
                    menu.Items.Add(new ToolStripMenuItem("Obriši poruku", null, (a, b) => Delete(m, false)) { ForeColor = Theme.Red });
                }
                menu.Show(list, e.Location);
            };
            list.Resize += (s, e) => { if (list.ClientSize.Width != lastW) { lastW = list.ClientSize.Width; Refill(); } };
            Theme.DarkScroll(list);

            composer.BackColor = Theme.Bg;
            composer.Paint += (s, e) =>
            {
                var g = e.Graphics;
                g.SmoothingMode = SmoothingMode.AntiAlias;
                if (Theme.ClassicLayout)
                {
                    using (var p = Theme.Round(new Rectangle(Theme.D(16), Theme.D(2), composer.Width - Theme.D(32), Theme.D(44)), Theme.D(8)))
                    using (var b = new SolidBrush(Theme.Input)) g.FillPath(b, p);
                    return;
                }
                // pilula s obrubom koji zasvijetli dok pises i okrugli gumb za slanje u prijelazu boje
                var pr = PillRect();
                using (var p = Theme.Round(pr, pr.Height / 2f))
                {
                    using (var b = new SolidBrush(Theme.Input)) g.FillPath(b, p);
                    if (input.Focused) Fx.GlowBorder(g, p, pr, 1f, 1.6f);
                    else using (var pen = new Pen(Theme.Line)) g.DrawPath(pen, p);
                }
                var sr = SendRect();
                bool can = input.TextLength > 0;
                if (can) using (var b = new LinearGradientBrush(new RectangleF(sr.X - 1, sr.Y - 1, sr.Width + 2, sr.Height + 2), Theme.Shade(Theme.Accent, sendHot ? 0.1f : 0f), Theme.Shade(Theme.Accent2, sendHot ? 0.1f : 0f), 45f)) g.FillEllipse(b, sr);
                else using (var b = new SolidBrush(Fx.Mix(Theme.Input, Color.White, 0.08f))) g.FillEllipse(b, sr);
                float isz = sr.Width * 0.44f;
                Vec.Draw(g, "send", new RectangleF(sr.X + (sr.Width - isz) / 2 + Theme.D(1), sr.Y + (sr.Height - isz) / 2, isz, isz), can ? Color.White : Theme.Muted, Theme.D(1.6f));
            };
            composer.MouseMove += (s, e) => { bool h = SendRect().Contains(e.Location); if (h != sendHot) { sendHot = h; composer.Cursor = h ? Cursors.Hand : Cursors.Default; composer.Invalidate(); } };
            composer.MouseLeave += (s, e) => { if (sendHot) { sendHot = false; composer.Invalidate(); } };
            composer.MouseClick += (s, e) => { if (!Theme.ClassicLayout && SendRect().Contains(e.Location)) SendMsg(); else input.Focus(); };
            input.GotFocus += (s, e) => composer.Invalidate();
            input.LostFocus += (s, e) => composer.Invalidate();
            input.TextChanged += (s, e) => composer.Invalidate(SendRect());
            input.BorderStyle = BorderStyle.None;
            input.BackColor = Theme.Input;
            input.ForeColor = Theme.Text2;
            input.Font = Theme.Body(15);
            input.MaxLength = 1000;
            input.KeyDown += (s, e) => { if (e.KeyCode == Keys.Enter) { e.SuppressKeyPress = true; e.Handled = true; SendMsg(); } };
            composer.Controls.Add(input);
            composer.Resize += (s, e) =>
            {
                if (Theme.ClassicLayout) { input.SetBounds(Theme.D(30), Theme.D(2) + (Theme.D(44) - input.PreferredHeight) / 2, Math.Max(10, composer.Width - Theme.D(60)), input.PreferredHeight); return; }
                var pr = PillRect();
                input.SetBounds(pr.X + Theme.D(20), pr.Y + (pr.Height - input.PreferredHeight) / 2, Math.Max(10, SendRect().X - pr.X - Theme.D(28)), input.PreferredHeight);
                composer.Invalidate();
            };

            Controls.AddRange(new Control[] { head, list, composer });
            poll.Tick += (s, e) => { if (Visible && friend != null) Fetch(); };
        }

        protected override void OnResize(EventArgs e)
        {
            base.OnResize(e);
            int top = Theme.ClassicLayout ? Theme.D(48) : Theme.D(60), bottom = Theme.ClassicLayout ? Theme.D(70) : Theme.D(72);
            head.SetBounds(0, 0, Width, top);
            composer.SetBounds(0, Math.Max(top, Height - bottom), Width, bottom);
            list.SetBounds(0, top, Width, Math.Max(10, Height - top - bottom));
        }

        public void Open(Friend f)
        {
            bool same = friend != null && f != null && friend.Username == f.Username;
            friend = f;
            SetHeader(null);
            if (!same)
            {
                gen++;
                msgs.Clear();
                rows.Clear();
                list.Items.Clear();
                lastId = 0;
                loaded = false;
                busy = false;
                input.Text = "";
                Theme.Cue(input, "Poruka @" + f.Username);
                Fetch();
            }
            poll.Start();
        }

        public void FocusInput() { try { input.Focus(); } catch { } }

        public void Reset()
        {
            friend = null;
            gen++;
            poll.Stop();
            msgs.Clear();
            rows.Clear();
            list.Items.Clear();
        }

        public void UpdateFriend(Friend f)
        {
            if (friend == null || f.Username != friend.Username) return;
            friend = f;
            SetHeader(null);
            list.Invalidate();
        }

        void SetHeader(string err)
        {
            head.Title = friend != null ? friend.Username : "";
            head.Kind = friend != null ? friend.Kind : null;
            if (!Theme.ClassicLayout && friend != null)
            {
                head.TextIcon = null;
                head.AvatarName = friend.Username; head.AvatarColor = friend.Color; head.AvatarUrl = friend.Avatar;
            }
            head.Sub = err ?? Txt.Activity(friend);
            head.SubColor = err != null ? Theme.Red : Theme.Muted;
            head.Invalidate();
        }

        static ChatMsg Parse(object o)
        {
            DateTimeOffset at;
            var m = new ChatMsg { Id = J.L(o, "id"), Mine = J.B(o, "mine"), Body = J.S(o, "body") ?? "" };
            m.At = DateTimeOffset.TryParse(J.S(o, "at"), CultureInfo.InvariantCulture, DateTimeStyles.None, out at) ? at.UtcDateTime : DateTime.UtcNow;
            return m;
        }

        void AddMsg(ChatMsg m, bool live)
        {
            if (m.Id <= 0 || msgs.Any(x => x.Id == m.Id)) return;
            var prev = msgs.Count > 0 ? msgs[msgs.Count - 1] : null;
            msgs.Add(m);
            if (m.Id > lastId) lastId = m.Id;
            var lt = m.At.ToLocalTime();
            bool newDay = prev == null || prev.At.ToLocalTime().Date != lt.Date;
            if (newDay) Push(new ChatRow { Date = Txt.Day(lt) }, live);
            bool headRow = newDay || prev.Mine != m.Mine || (m.At - prev.At).TotalMinutes > 7;
            Push(new ChatRow { M = m, Head = headRow }, live);
        }

        void Push(ChatRow r, bool live) { rows.Add(r); if (live) list.Items.Add(r); }

        void Refill()
        {
            list.BeginUpdate();
            list.Items.Clear();
            foreach (var r in rows) list.Items.Add(r);
            list.EndUpdate();
            ScrollEnd();
        }

        void ScrollEnd() { if (list.Items.Count > 0) list.TopIndex = list.Items.Count - 1; }

        // moderni izgled: poruke u oblacicima (svoje desno u boji naglaska, tudje lijevo); Xfire ostaje popis
        static bool Bubbles { get { return !Theme.ClassicLayout; } }

        Rectangle Bubble(Rectangle b, ChatRow r)
        {
            bool other = !r.M.Mine;
            int top = b.Y + (r.Head ? Theme.D(10) : Theme.D(2)) + (r.Head && other ? Theme.D(20) : 0);
            int maxW = Math.Max(Theme.D(120), Math.Min(b.Width - Theme.D(140), Theme.D(560)));
            using (var f = Theme.Body(14.5f))
            {
                var sz = TextRenderer.MeasureText(r.M.Body, f, new Size(maxW - Theme.D(28), int.MaxValue), Wrap);
                int w = Math.Max(sz.Width, Theme.D(44)) + Theme.D(28), h = sz.Height + Theme.D(30);
                int x = other ? b.X + Theme.D(60) : b.Right - Theme.D(18) - w;
                return new Rectangle(x, top, w, h);
            }
        }

        Rectangle DelBtn(Rectangle b, ChatRow r)
        {
            int s = Theme.D(30);
            if (Bubbles) { var bb = Bubble(b, r); return new Rectangle(bb.X - s - Theme.D(8), bb.Y + (bb.Height - s) / 2, s, s); }
            return new Rectangle(b.Right - Theme.D(14) - s, b.Y + Theme.D(2), s, Math.Min(s, b.Height - Theme.D(4)));
        }

        // makni poruke i ponovno slozi grupe i datume, a polozaj popisa ostaje isti
        void RemoveIds(HashSet<long> ids)
        {
            if (msgs.RemoveAll(m => ids.Contains(m.Id)) == 0) return;
            var keep = msgs.ToList();
            msgs.Clear();
            rows.Clear();
            if (intro) rows.Add(new ChatRow { Intro = true });
            foreach (var m in keep) AddMsg(m, false);
            int top = list.Items.Count > 0 ? list.TopIndex : 0;
            hover = -1;
            list.BeginUpdate();
            list.Items.Clear();
            foreach (var r in rows) list.Items.Add(r);
            list.EndUpdate();
            if (list.Items.Count > 0) list.TopIndex = Math.Min(top, list.Items.Count - 1);
        }

        async void Delete(ChatMsg m, bool noAsk)
        {
            if (!noAsk && !Dialog.Confirm(this, "Obriši poruku", "Jesi li siguran da želiš obrisati ovu poruku? Nestat će i kod " + (friend != null ? friend.Username : "prijatelja") + ".", "Obriši", true,
                m.Body.Length > 300 ? m.Body.Substring(0, 300) + "..." : m.Body, "Savjet: Shift + klik na kantu briše bez pitanja.")) return;
            try
            {
                await Task.Run(() => app.ApiDel("/client/chat/msg/" + m.Id));
                RemoveIds(new HashSet<long> { m.Id });
            }
            catch (WebException ex)
            {
                if (Api.Status(ex) == 404) RemoveIds(new HashSet<long> { m.Id });
                else SetHeader(Api.ErrorMessage(ex));
            }
            catch (Exception ex) { SetHeader(ex.Message); }
        }

        async void Fetch()
        {
            if (busy || friend == null) return;
            busy = true;
            int my = gen;
            var name = friend.Username;
            long after = lastId;
            try
            {
                var res = await Task.Run(() => app.ApiGet("/client/chat/" + Uri.EscapeDataString(name) + "?after=" + after));
                if (my != gen) return;
                var o = J.Parse(res);
                var got = J.A(o, "messages").Select(Parse).ToList();
                if (!loaded)
                {
                    loaded = true;
                    rows.Clear();
                    msgs.Clear();
                    intro = got.Count < 80;
                    if (intro) rows.Add(new ChatRow { Intro = true });
                    foreach (var m in got) AddMsg(m, false);
                    Refill();
                }
                else
                {
                    int before = rows.Count;
                    foreach (var m in got) AddMsg(m, true);
                    if (rows.Count != before) ScrollEnd();
                }
                // poruke koje je netko obrisao nestaju i ovdje
                var gone = new HashSet<long>(J.A(o, "deleted").Select(x => Convert.ToInt64(x)));
                if (gone.Count > 0) RemoveIds(gone);
            }
            catch (WebException ex)
            {
                if (my == gen && Api.Status(ex) == 403) { poll.Stop(); SetHeader(Api.ErrorMessage(ex)); }
            }
            catch { }
            finally { if (my == gen) busy = false; }
        }

        async void SendMsg()
        {
            var v = input.Text.Trim();
            if (v.Length == 0 || friend == null) return;
            var name = friend.Username;
            int my = gen;
            input.Text = "";
            try
            {
                var res = await Task.Run(() => app.ApiPost("/client/chat/" + Uri.EscapeDataString(name), new Dictionary<string, object> { { "body", v } }));
                if (my != gen) return;
                AddMsg(Parse(J.Parse(res)), true);
                ScrollEnd();
            }
            catch (WebException ex) { if (my == gen) { input.Text = v; SetHeader(Api.ErrorMessage(ex)); } }
            catch (Exception ex) { if (my == gen) { input.Text = v; SetHeader(ex.Message); } }
            finally { FocusInput(); }
        }

        int TextW() { return Math.Max(60, list.ClientSize.Width - Theme.D(72) - Theme.D(24)); }

        void Measure(object s, MeasureItemEventArgs e)
        {
            if (e.Index < 0 || e.Index >= rows.Count) return;
            var r = rows[e.Index];
            if (r.Intro) { e.ItemHeight = Theme.D(160); return; }
            if (r.Date != null) { e.ItemHeight = Theme.D(40); return; }
            if (Bubbles)
            {
                var bb = Bubble(new Rectangle(0, 0, list.ClientSize.Width, 1000), r);
                e.ItemHeight = Math.Min(255, bb.Bottom + Theme.D(4));
                return;
            }
            using (var f = Theme.Body(15))
            {
                var sz = TextRenderer.MeasureText(r.M.Body, f, new Size(TextW(), int.MaxValue), Wrap);
                int h = r.Head ? sz.Height + Theme.D(42) : sz.Height + Theme.D(4);
                e.ItemHeight = Math.Min(255, Math.Max(h, r.Head ? Theme.D(56) : Theme.D(24)));
            }
        }

        void DrawRow(object s, DrawItemEventArgs e)
        {
            if (e.Index < 0 || e.Index >= rows.Count) return;
            var r = rows[e.Index];
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var b = e.Bounds;
            bool hot = e.Index == hover && r.M != null;
            var bg = hot && !Bubbles ? Theme.MsgHover : Theme.Bg;
            using (var fill = new SolidBrush(bg)) g.FillRectangle(fill, b);
            if (friend == null) return;

            if (r.Intro)
            {
                float av = Theme.D(72);
                Theme.Avatar(g, new RectangleF(b.X + Theme.D(16), b.Y + Theme.D(16), av, av), friend.Color, friend.Username, friend.Avatar, list, null, bg);
                using (var f = Theme.Body(26, FontStyle.Bold))
                    Txt.Draw(g, friend.Username, f, new Rectangle(b.X + Theme.D(16), b.Y + Theme.D(94), b.Width - Theme.D(32), Theme.D(36)), Theme.Text);
                using (var f = Theme.Body(14))
                    Txt.Draw(g, "Ovo je početak tvoje povijesti izravnih poruka s @" + friend.Username + ".", f, new Rectangle(b.X + Theme.D(16), b.Y + Theme.D(130), b.Width - Theme.D(32), Theme.D(22)), Theme.Muted);
                return;
            }
            if (r.Date != null)
            {
                int cy = b.Y + b.Height / 2;
                using (var pen = new Pen(Theme.Line)) g.DrawLine(pen, b.X + Theme.D(16), cy, b.Right - Theme.D(16), cy);
                using (var f = Theme.Body(12, FontStyle.Bold))
                {
                    var sz = TextRenderer.MeasureText(r.Date, f);
                    var tr = new Rectangle(b.X + (b.Width - sz.Width) / 2 - Theme.D(4), b.Y, sz.Width + Theme.D(8), b.Height);
                    using (var fill = new SolidBrush(Theme.Bg)) g.FillRectangle(fill, tr.X, cy - Theme.D(8), tr.Width, Theme.D(16));
                    TextRenderer.DrawText(g, r.Date, f, tr, Theme.Muted, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPrefix);
                }
                return;
            }

            var m = r.M;
            int tx = b.X + Theme.D(72), tw = TextW();
            var local = m.At.ToLocalTime();
            if (Bubbles)
            {
                using (var fill = new SolidBrush(Theme.Bg)) g.FillRectangle(fill, b);
                var bb = Bubble(b, r);
                if (!m.Mine && r.Head)
                {
                    float av = Theme.D(34);
                    Theme.Avatar(g, new RectangleF(b.X + Theme.D(16), bb.Y, av, av), friend.Color, friend.Username, friend.Avatar, list, null, Theme.Bg);
                    using (var f = Theme.Display(13))
                        Txt.Draw(g, friend.Username + "   " + Txt.When(local), f, new Rectangle(bb.X + Theme.D(4), b.Y + Theme.D(8), b.Width - bb.X - Theme.D(20), Theme.D(18)), Theme.Muted);
                }
                using (var p = Theme.Round(bb, Math.Min(Theme.D(20), bb.Height / 2f)))
                {
                    if (m.Mine)
                    {
                        using (var fill = new LinearGradientBrush(new Rectangle(bb.X - 1, bb.Y - 1, bb.Width + 2, bb.Height + 2), Theme.Accent, Theme.Accent2, 20f)) g.FillPath(fill, p);
                        Fx.Gloss(g, p, bb, 26);
                    }
                    else
                    {
                        using (var fill = new SolidBrush(Fx.Mix(Theme.Bg, Color.White, hot ? 0.11f : 0.07f))) g.FillPath(fill, p);
                        using (var pen = new Pen(Fx.Mix(Theme.Bg, Color.White, 0.1f))) g.DrawPath(pen, p);
                    }
                }
                var tc = m.Mine ? Color.White : Theme.Text;
                using (var f = Theme.Body(14.5f))
                    TextRenderer.DrawText(g, m.Body, f, new Rectangle(bb.X + Theme.D(14), bb.Y + Theme.D(8), bb.Width - Theme.D(28), bb.Height - Theme.D(26)), tc, Wrap | TextFormatFlags.EndEllipsis);
                using (var f = Theme.Body(11))
                    TextRenderer.DrawText(g, local.ToString("HH:mm"), f, new Rectangle(bb.X + Theme.D(10), bb.Bottom - Theme.D(18), bb.Width - Theme.D(22), Theme.D(14)),
                        m.Mine ? Color.FromArgb(200, 255, 255, 255) : Theme.Muted, TextFormatFlags.Right | TextFormatFlags.NoPadding);
                if (hot && m.Mine)
                {
                    var dbb = DelBtn(b, r);
                    using (var fill = new SolidBrush(overDel ? Theme.Red : Theme.Panel2)) g.FillEllipse(fill, dbb);
                    float isz = dbb.Width * 0.5f;
                    Vec.Draw(g, "trash", new RectangleF(dbb.X + (dbb.Width - isz) / 2, dbb.Y + (dbb.Height - isz) / 2, isz, isz), overDel ? Color.White : Theme.Text2, Math.Max(1.3f, Theme.D(1.4f)));
                }
                return;
            }
            if (r.Head)
            {
                string who = m.Mine ? (app.Username ?? "Ti") : friend.Username;
                string col = m.Mine ? app.ColorHex : friend.Color;
                string url = m.Mine ? app.AvatarUrl : friend.Avatar;
                float av = Theme.D(40);
                Theme.Avatar(g, new RectangleF(b.X + Theme.D(16), b.Y + Theme.D(10), av, av), col, who, url, list, null, bg);
                using (var f = Theme.Body(15.5f, FontStyle.Bold))
                {
                    var nsz = TextRenderer.MeasureText(who, f, Size.Empty, TextFormatFlags.NoPadding);
                    Txt.Draw(g, who, f, new Rectangle(tx, b.Y + Theme.D(9), Math.Min(nsz.Width + Theme.D(2), tw), Theme.D(22)), Theme.Text);
                    using (var ft = Theme.Body(12))
                        Txt.Draw(g, Txt.When(local), ft, new Rectangle(tx + nsz.Width + Theme.D(8), b.Y + Theme.D(11), Math.Max(10, tw - nsz.Width - Theme.D(8)), Theme.D(20)), Theme.Muted);
                }
                using (var f = Theme.Body(15))
                    TextRenderer.DrawText(g, m.Body, f, new Rectangle(tx, b.Y + Theme.D(34), tw, Math.Max(10, b.Height - Theme.D(36))), Theme.Text2, Wrap | TextFormatFlags.EndEllipsis);
            }
            else
            {
                if (hot)
                    using (var f = Theme.Body(11))
                        TextRenderer.DrawText(g, local.ToString("HH:mm"), f, new Rectangle(b.X + Theme.D(8), b.Y + Theme.D(3), Theme.D(56), Theme.D(18)), Theme.Muted, TextFormatFlags.HorizontalCenter | TextFormatFlags.NoPadding);
                using (var f = Theme.Body(15))
                    TextRenderer.DrawText(g, m.Body, f, new Rectangle(tx, b.Y + Theme.D(2), tw, Math.Max(10, b.Height - Theme.D(2))), Theme.Text2, Wrap | TextFormatFlags.EndEllipsis);
            }
            // kanta za brisanje na vlastitim porukama (kao Discordova traka s radnjama)
            if (hot && m.Mine)
            {
                var db = DelBtn(b, r);
                using (var p = Theme.Round(db, Theme.D(6)))
                {
                    using (var fill = new SolidBrush(overDel ? Theme.Red : Theme.Panel)) g.FillPath(fill, p);
                    using (var pen = new Pen(overDel ? Theme.Red : Theme.Line)) g.DrawPath(pen, p);
                }
                Theme.Icon(g, "\uE74D", "x", db, overDel ? Color.White : Theme.Muted, 14);
            }
        }
    }

    // Okrugli gumb s ikonom (mikrofon, zvuk, izlaz) na voice stranici
    class RoundButton : Control
    {
        public string Glyph, Fallback;
        public bool Off, Danger, Good;
        bool hot;

        public RoundButton(string glyph, string fallback, string tip)
        {
            Glyph = glyph;
            Fallback = fallback;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw | ControlStyles.SupportsTransparentBackColor, true);
            BackColor = Theme.Bg;
            Cursor = Cursors.Hand;
            new ToolTip().SetToolTip(this, tip);
        }

        protected override void OnMouseEnter(EventArgs e) { hot = true; Invalidate(); base.OnMouseEnter(e); }
        protected override void OnMouseLeave(EventArgs e) { hot = false; Invalidate(); base.OnMouseLeave(e); }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.Clear(Parent != null ? Parent.BackColor : Theme.Bg);
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var r = new Rectangle(0, 0, Width - 1, Height - 1);
            Color bg = Danger ? Theme.Red : Good ? Theme.On : Off ? Theme.Text : Theme.Secondary;
            if (hot) bg = Danger || Good || Off ? Theme.Shade(bg, -0.12f) : Theme.Shade(bg, 0.1f);
            using (var b = new SolidBrush(bg)) g.FillEllipse(b, r);
            var fc = Off && !Danger ? Theme.Bg : Color.White;
            Theme.Icon(g, Glyph, Fallback, r, fc, 20);
            if (Off && !Danger) Theme.Slash(g, new Rectangle(r.X + r.Width / 4, r.Y + r.Height / 4, r.Width / 2, r.Height / 2), bg);
        }
    }

    // Plocice sudionika u voice sobi
    class VoiceStage : Control
    {
        readonly TrayApp app;
        public List<VMember> Members = new List<VMember>();
        readonly List<Rectangle> tiles = new List<Rectangle>();

        public VoiceStage(TrayApp app)
        {
            this.app = app;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            BackColor = Theme.Stage;
        }

        protected override void OnMouseUp(MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
                for (int i = 0; i < tiles.Count && i < Members.Count; i++)
                    if (tiles[i].Contains(e.Location)) { VoiceView.ShowMemberMenu(app, Members[i], this, e.Location); break; }
            base.OnMouseUp(e);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.Clear(Theme.Stage);
            if (Theme.Animated) Anim.Fill(g, ClientRectangle, 0.8f, 0.2f, 35f);
            g.SmoothingMode = SmoothingMode.AntiAlias;
            tiles.Clear();
            int n = Members.Count;
            if (n == 0)
            {
                using (var f = Theme.Body(22, FontStyle.Bold))
                    TextRenderer.DrawText(g, "Nisi u voice sobi", f, new Rectangle(0, Height / 2 - Theme.D(40), Width, Theme.D(34)), Theme.Text, TextFormatFlags.HorizontalCenter | TextFormatFlags.NoPrefix);
                using (var f = Theme.Body(14))
                    TextRenderer.DrawText(g, "Odaberi sobu s lijeve strane da uđeš.", f, new Rectangle(0, Height / 2, Width, Theme.D(24)), Theme.Muted, TextFormatFlags.HorizontalCenter | TextFormatFlags.NoPrefix);
                return;
            }
            int cols = n == 1 ? 1 : n <= 4 ? 2 : n <= 9 ? 3 : 4;
            int rowsN = (n + cols - 1) / cols;
            int pad = Theme.D(16), gap = Theme.D(8);
            float tw = (Width - pad * 2 - gap * (cols - 1)) / (float)cols;
            float th = (Height - pad * 2 - gap * (rowsN - 1)) / (float)rowsN;
            th = Math.Min(th, tw * 9f / 16f);
            tw = Math.Min(tw, th * 16f / 9f);
            if (tw < 20 || th < 20) return;
            float gw = tw * cols + gap * (cols - 1), gh = th * rowsN + gap * (rowsN - 1);
            float ox = (Width - gw) / 2f, oy = (Height - gh) / 2f;
            for (int i = 0; i < n; i++)
            {
                var m = Members[i];
                int c = i % cols, rI = i / cols;
                int inRow = Math.Min(cols, n - rI * cols);
                float rowOx = ox + (cols - inRow) * (tw + gap) / 2f;
                var r = new RectangleF(rowOx + c * (tw + gap), oy + rI * (th + gap), tw, th);
                tiles.Add(Rectangle.Round(r));
                var bg = Theme.Shade(Theme.Hex(m.Color, Theme.Panel3), -0.55f);
                using (var p = Theme.Round(r, Theme.D(8))) using (var b = new SolidBrush(bg)) g.FillPath(b, p);
                float av = Math.Min(th * 0.42f, Theme.D(96));
                var ar = new RectangleF(r.X + (r.Width - av) / 2f, r.Y + (r.Height - av) / 2f, av, av);
                Theme.Avatar(g, ar, m.Color, (m.Name ?? "?").Replace(" (ti)", ""), m.Avatar, this, null, bg);
                if (m.Speaking)
                {
                    var rr = ar; rr.Inflate(Theme.D(3), Theme.D(3));
                    using (var pen = new Pen(Theme.On, Theme.D(3))) g.DrawEllipse(pen, rr);
                    using (var p = Theme.Round(new RectangleF(r.X + 1, r.Y + 1, r.Width - 2, r.Height - 2), Theme.D(8)))
                    using (var pen = new Pen(Theme.On, Theme.D(2))) g.DrawPath(pen, p);
                }
                bool localMuted = m.Name != null && !m.Name.EndsWith(" (ti)") && AudioCfg.UserMuted(m.Name);
                using (var f = Theme.Body(13, FontStyle.Bold))
                {
                    var name = m.Name ?? "?";
                    var sz = TextRenderer.MeasureText(name, f);
                    int extra = localMuted ? Theme.D(22) : 0;
                    var nr = new RectangleF(r.X + Theme.D(8), r.Bottom - Theme.D(32), Math.Min(sz.Width + Theme.D(12) + extra, r.Width - Theme.D(16)), Theme.D(24));
                    using (var p = Theme.Round(nr, Theme.D(4))) using (var b = new SolidBrush(Color.FromArgb(160, 0, 0, 0))) g.FillPath(b, p);
                    if (localMuted)
                    {
                        var ir = new Rectangle((int)nr.X + Theme.D(4), (int)nr.Y + Theme.D(3), Theme.D(18), Theme.D(18));
                        Theme.Icon(g, Theme.IcoSpeaker, "x", ir, Theme.Text2, 12);
                        Theme.Slash(g, ir, Color.Black);
                    }
                    Txt.Draw(g, name, f, new Rectangle((int)nr.X + Theme.D(6) + extra, (int)nr.Y, (int)nr.Width - Theme.D(10) - extra, (int)nr.Height), Color.White);
                }
            }
        }
    }

    // Voice stranica: sudionici i kontrole (mikrofon, zvuk, izlaz, pritisni-za-pricanje, osjetljivost)
    class VoicePage : UserControl
    {
        readonly TrayApp app;
        readonly VoiceView rooms;
        readonly PageHeader head = new PageHeader { Glyph = Theme.IcoSpeaker, Title = "Voice" };
        readonly VoiceStage stage;
        readonly Panel bottom = new Panel();
        readonly RoundButton mic = new RoundButton(Theme.IcoMic, "M", "Mikrofon"), deaf = new RoundButton(Theme.IcoHead, "Z", "Zvuk"), leave = new RoundButton(Theme.IcoHangup, "X", "Izađi iz sobe") { Danger = true };
        readonly Toggle ptt = new Toggle();
        readonly DropDown key = new DropDown();
        readonly RangeSlider meter = new RangeSlider { Min = -80, Max = 0, Format = v => (int)Math.Round(v) + " dB" };
        readonly Label pttLbl, meterLbl;
        readonly FlatButton adv = new FlatButton("Napredno", false);
        readonly FlatButton newRoom = new FlatButton("+ Napravi novu sobu", true);
        readonly Timer tick = new Timer { Interval = 80 };
        bool syncing;
        string lastHead = "";

        TrayApp App2 { get { return app; } }

        public VoicePage(TrayApp app, VoiceView rooms)
        {
            this.app = app;
            this.rooms = rooms;
            BackColor = Theme.Bg;
            stage = new VoiceStage(app);
            bottom.BackColor = Theme.Bg;

            mic.Click += (s, e) => app.ToggleMute();
            deaf.Click += (s, e) => app.ToggleDeaf();
            leave.Click += (s, e) => app.LeaveVoice();

            pttLbl = Ui.Lbl("Pritisni za pričanje", 13.5f, Theme.Text2, 0, 0);
            meterLbl = Ui.Lbl("", 12, Theme.Muted, 0, 0);
            Ui.Combo(key);
            foreach (var k in VoiceView.PttKeys) key.Items.Add(k.Name);
            adv.Font = Theme.Body(13, FontStyle.Bold);
            adv.Click += (s, e) => app.ShowAudioSettings();
            bottom.Controls.AddRange(new Control[] { mic, deaf, leave, pttLbl, ptt, key, meter, adv, meterLbl });

            syncing = true;
            ptt.Checked = AudioCfg.Ptt;
            int idx = Array.FindIndex(VoiceView.PttKeys, k => k.Vk == AudioCfg.PttKey);
            key.SelectedIndex = idx >= 0 ? idx : 0;
            key.Enabled = AudioCfg.Ptt;
            meter.Value = AudioCfg.SensDb;
            syncing = false;
            ptt.CheckedChanged += (s, e) => { AudioCfg.Ptt = ptt.Checked; key.Enabled = ptt.Checked; };
            key.SelectedIndexChanged += (s, e) => { if (!syncing && key.SelectedIndex >= 0) AudioCfg.PttKey = VoiceView.PttKeys[key.SelectedIndex].Vk; };
            meter.ValueChanged += (s, e) => { if (!syncing) AudioCfg.SensDb = meter.Value; };

            newRoom.Click += (s, e) => app.ShowCreateRoom();
            stage.Controls.Add(newRoom);
            Controls.AddRange(new Control[] { head, stage, bottom });
            tick.Tick += (s, e) => Tick();
            tick.Start();
        }

        protected override void OnResize(EventArgs e)
        {
            base.OnResize(e);
            if (stage == null || pttLbl == null || meterLbl == null) return;
            bool inRoom = App2 != null && App2.Voice != null;
            int top = Theme.D(48), bh = inRoom ? Theme.D(150) : Theme.D(84);
            head.SetBounds(0, 0, Width, top);
            stage.SetBounds(0, top, Width, Math.Max(10, Height - top - bh));
            newRoom.SetBounds((stage.Width - Theme.D(220)) / 2, stage.Height / 2 + Theme.D(40), Theme.D(220), Theme.D(40));
            bottom.SetBounds(0, Math.Max(top, Height - bh), Width, bh);
            int bs = Theme.D(52), gap = Theme.D(16), bx = (Width - bs * 3 - gap * 2) / 2;
            mic.SetBounds(bx, Theme.D(14), bs, bs);
            deaf.SetBounds(bx + bs + gap, Theme.D(14), bs, bs);
            leave.SetBounds(bx + (bs + gap) * 2, Theme.D(14), bs, bs);
            int y = inRoom ? Theme.D(84) : Theme.D(18), pad = Theme.D(20), x = pad;
            pttLbl.Location = new Point(x, y + Theme.D(4)); x += pttLbl.PreferredWidth + Theme.D(10);
            ptt.Location = new Point(x, y + Theme.D(2)); x += ptt.Width + Theme.D(12);
            key.SetBounds(x, y, Theme.D(110), Theme.D(28)); x += Theme.D(122);
            int aw = Theme.D(100);
            adv.SetBounds(Width - pad - aw, y - Theme.D(2), aw, Theme.D(32));
            meter.SetBounds(x, y - Theme.D(2), Math.Max(Theme.D(60), adv.Left - x - Theme.D(12)), Theme.D(32));
            meterLbl.Location = new Point(x + Theme.D(8), y + Theme.D(34));
        }

        protected override void OnVisibleChanged(EventArgs e)
        {
            if (Visible)
            {
                syncing = true;
                ptt.Checked = AudioCfg.Ptt;
                key.Enabled = AudioCfg.Ptt;
                int idx = Array.FindIndex(VoiceView.PttKeys, k => k.Vk == AudioCfg.PttKey);
                if (idx >= 0) key.SelectedIndex = idx;
                syncing = false;
            }
            base.OnVisibleChanged(e);
        }

        List<VMember> Members(VoiceClient vc)
        {
            var known = new Dictionary<string, VMember>();
            foreach (var rm in rooms.Rooms) foreach (var m in rm.Members) if (m.Name != null) known[m.Name] = m;
            var res = new List<VMember> { new VMember { Name = (app.Username ?? "Ti") + " (ti)", Color = app.ColorHex, Avatar = app.AvatarUrl, Speaking = vc.Talking } };
            foreach (var m in vc.LiveMembers())
            {
                VMember k;
                if (known.TryGetValue(m.Name ?? "", out k)) { m.Color = k.Color; m.Avatar = k.Avatar; }
                res.Add(m);
            }
            return res;
        }

        void Tick()
        {
            if (!Visible) return;
            var vc = app.Voice;
            string title = vc != null ? vc.Label : "Voice";
            string sub = vc == null ? null : vc.Deafened ? "zvuk isključen" : vc.Muted ? "mikrofon isključen" : vc.Talking ? "pričaš" : "spojen";
            if (title + "|" + sub != lastHead)
            {
                lastHead = title + "|" + sub;
                head.Title = title;
                head.Sub = sub;
                head.SubColor = vc != null && !vc.Muted && !vc.Deafened ? Theme.On : Theme.Muted;
                head.Invalidate();
            }
            stage.Members = vc != null ? Members(vc) : new List<VMember>();
            stage.Invalidate();
            bool on = vc != null;
            if (mic.Visible != on) { mic.Visible = on; deaf.Visible = on; leave.Visible = on; newRoom.Visible = !on; OnResize(EventArgs.Empty); }
            if (on && (mic.Off != vc.Muted || deaf.Off != vc.Deafened)) { mic.Off = vc.Muted; deaf.Off = vc.Deafened; mic.Invalidate(); deaf.Invalidate(); }

            var eng = vc != null ? vc.Audio : null;
            meter.Locked = AudioCfg.AutoSens || AudioCfg.Ptt;
            meter.Level = eng != null ? eng.LevelDb : float.NaN;
            meter.Marker = eng != null ? eng.ThresholdDb : float.NaN;
            if (!meter.Dragging) meter.Value = AudioCfg.SensDb;
            meter.Invalidate();
            string t;
            if (AudioCfg.Ptt) t = "Drži " + Ui.KeyName(AudioCfg.PttKey) + " dok pričaš";
            else if (AudioCfg.AutoSens) t = "Osjetljivost: automatski" + (eng != null ? " (" + (int)eng.ThresholdDb + " dB)" : "");
            else t = "Osjetljivost: " + (int)AudioCfg.SensDb + " dB (povuci kružić)";
            if (eng == null) t += "  ·  razina se vidi u sobi";
            if (meterLbl.Text != t) meterLbl.Text = t;
        }
    }

    // Zajednicka osnova za oba rasporeda (Discord i Xfire); TrayApp radi samo s ovim
    abstract class ShellForm : DarkForm
    {
        protected readonly TrayApp App;
        public bool AllowClose;

        protected ShellForm(TrayApp app) { App = app; }

        public abstract UserPanel User { get; }
        public abstract VoiceView Voice { get; }
        public abstract void SetFriends(List<Friend> list, int requests);
        public abstract void SetRequests(List<FriendReq> r);
        public abstract void SetClans(List<ClanItem> clans);
        public abstract void SetShot(string game, string url);
        public abstract void ShowUpdate(string text);
        public abstract void SetUpdateText(string text, bool busy);
        public abstract void OpenChat(Friend f);
        public abstract bool ChatActive(string u);
        public abstract void CloseChat(string user);
        public abstract void ShowVoice();
        public abstract void ShowAddFriend();
        public abstract void ShowSettings();
        // Obavijesti (komentari/lajkovi/spomeni). Moderni izgled prikazuje karticu;
        // klasicni (Xfire) ih pokriva toastovima i tray badgeom, pa su ovdje prazne.
        public virtual void SetNotifs(int unread, List<NotifItem> items) { }
        public virtual void ShowNotifs() { }
        public virtual void SetLfg(List<LfgItem> items) { }
        public virtual void ShowLfg() { }
        public virtual void ShowServers() { }

        protected void StatusMenu(Control anchor, Point at)
        {
            ProfilePopout.Show(App, anchor, at, anchor.Top > anchor.Parent.Height / 2);
        }

    }

    // Traka na vrhu prozora kad postoji nova verzija aplikacije (kao Discordova obavijest)
    class UpdateBar : Control
    {
        public string Message = "";
        public bool Busy;
        int hot;
        public event Action UpdateClicked, Closed;

        public UpdateBar()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
        }

        bool Narrow { get { return Height > Theme.D(44); } }

        Rectangle Btn()
        {
            using (var f = Theme.Body(13.5f, FontStyle.Bold))
            {
                var sz = TextRenderer.MeasureText("Ažuriraj sada", f);
                int w = sz.Width + Theme.D(24), msgW;
                if (Narrow) return new Rectangle((Width - w) / 2, Height - Theme.D(28), w, Theme.D(24));
                using (var fm = Theme.Body(14)) msgW = TextRenderer.MeasureText(Message, fm).Width;
                int x = Math.Min((Width + msgW) / 2 + Theme.D(14), Width - Theme.D(48) - w);
                return new Rectangle(x, (Height - Theme.D(26)) / 2, w, Theme.D(26));
            }
        }

        Rectangle CloseBtn() { int s = Theme.D(24); return new Rectangle(Width - Theme.D(8) - s, Narrow ? Theme.D(4) : (Height - s) / 2, s, s); }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            int h = !Busy && Btn().Contains(e.Location) ? 1 : CloseBtn().Contains(e.Location) ? 2 : 0;
            if (h != hot) { hot = h; Cursor = h > 0 ? Cursors.Hand : Cursors.Default; Invalidate(); }
            base.OnMouseMove(e);
        }
        protected override void OnMouseLeave(EventArgs e) { hot = 0; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e)
        {
            if (!Busy && Btn().Contains(e.Location) && UpdateClicked != null) UpdateClicked();
            else if (CloseBtn().Contains(e.Location) && Closed != null) Closed();
            base.OnMouseClick(e);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Theme.Accent);
            var btn = Btn();
            int msgRight = Busy ? Width - Theme.D(48) : btn.X - Theme.D(12);
            using (var f = Theme.Body(Narrow ? 12.5f : 14))
            {
                if (Narrow)
                    TextRenderer.DrawText(g, Message, f, new Rectangle(Theme.D(10), Theme.D(4), Width - Theme.D(44), Busy ? Height - Theme.D(8) : Theme.D(20)), Color.White,
                        TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPrefix);
                else
                {
                    int msgW = TextRenderer.MeasureText(Message, f).Width;
                    int x = Busy ? (Width - msgW) / 2 : Math.Max(Theme.D(16), (Width - msgW) / 2 - (btn.Width + Theme.D(14)) / 2);
                    Txt.Draw(g, Message, f, new Rectangle(x, 0, Math.Max(10, msgRight - x), Height), Color.White);
                }
            }
            if (!Busy)
            {
                using (var p = Theme.Round(btn, Theme.D(4)))
                {
                    if (hot == 1) using (var b = new SolidBrush(Color.FromArgb(40, 255, 255, 255))) g.FillPath(b, p);
                    using (var pen = new Pen(Color.White, Theme.D(1.5f))) g.DrawPath(pen, p);
                }
                using (var f = Theme.Body(13.5f, FontStyle.Bold))
                    TextRenderer.DrawText(g, "Ažuriraj sada", f, btn, Color.White, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
            }
            Theme.Icon(g, Theme.IcoClose, "x", CloseBtn(), hot == 2 ? Color.White : Color.FromArgb(200, 255, 255, 255), 12);
        }
    }

    // Iskocni profil (klik na svoje ime): veliki avatar, statusi i radnje, kao na Discordu
    class ProfilePopout : Control
    {
        class Item { public string Kind, Key, Title, Desc, Glyph; public bool Danger; public Action Run; public Rectangle R; }

        readonly TrayApp app;
        readonly List<Item> items = new List<Item>();
        readonly List<Rectangle> cards = new List<Rectangle>();
        int hover = -1;
        public ToolStripDropDown Host;

        public ProfilePopout(TrayApp app)
        {
            this.app = app;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            Cursor = Cursors.Hand;
            Status("online", "Online", null);
            Status("idle", "Odsutan", "Izgledaš kao da nisi za računalom.");
            Status("dnd", "Ne smetaj", "Bez obavijesti i zvukova za poruke.");
            Status("invisible", "Nevidljiv", "Prijateljima izgledaš offline, a sve i dalje radi.");
            items.Add(new Item { Kind = "sep" });
            Action("Promijeni profilnu sliku", "", () => app.ChangeAvatar(), false);
            if (app.AvatarUrl != null) Action("Ukloni profilnu sliku", "", () => app.RemoveAvatar(), false);
            Action("Moj profil na webu", Theme.IcoGlobe, () => app.OpenProfile(), false);
            items.Add(new Item { Kind = "sep" });
            Action("Odjavi se", "", () => app.LogoutAndAsk(), true);
            Size = new Size(Theme.D(300), Measure());
        }

        void Status(string key, string title, string desc) { items.Add(new Item { Kind = "status", Key = key, Title = title, Desc = desc, Run = () => app.SetPresence(key) }); }
        void Action(string title, string glyph, Action run, bool danger) { items.Add(new Item { Kind = "action", Title = title, Glyph = glyph, Run = run, Danger = danger }); }

        // rasporedi redove u kartice (odvojene sa "sep") i vrati ukupnu visinu
        int Measure()
        {
            int W = Theme.D(300), pad = Theme.D(12), y = Theme.D(156);
            cards.Clear();
            int cardTop = y + Theme.D(6);
            y = cardTop + Theme.D(6);
            foreach (var it in items)
            {
                if (it.Kind == "sep")
                {
                    cards.Add(new Rectangle(pad, cardTop, W - pad * 2, y + Theme.D(6) - cardTop));
                    cardTop = y + Theme.D(14);
                    y = cardTop + Theme.D(6);
                    continue;
                }
                int h = it.Kind == "status" ? (it.Desc != null ? Theme.D(50) : Theme.D(38)) : Theme.D(38);
                it.R = new Rectangle(pad + Theme.D(6), y, W - pad * 2 - Theme.D(12), h);
                y += h;
            }
            cards.Add(new Rectangle(pad, cardTop, W - pad * 2, y + Theme.D(6) - cardTop));
            return y + Theme.D(6) + pad;
        }

        int Hit(Point p) { for (int i = 0; i < items.Count; i++) if (items[i].Kind != "sep" && items[i].R.Contains(p)) return i; return -1; }

        protected override void OnMouseMove(MouseEventArgs e) { int h = Hit(e.Location); if (h != hover) { hover = h; Invalidate(); } base.OnMouseMove(e); }
        protected override void OnMouseLeave(EventArgs e) { hover = -1; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h < 0) return;
            if (Host != null) Host.Close();
            items[h].Run();
        }

        string Kind()
        {
            var p = app.Presence;
            return p == "invisible" ? "off" : p == "dnd" ? "dnd" : p == "idle" || app.AutoIdle ? "idle" : "online";
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Theme.Menu);
            int W = Width;
            float av = Theme.D(80), ax = Theme.D(16), ay = Theme.D(20);
            var kind = Kind();
            if (Theme.ClassicLayout)
            {
                // klasicni (Xfire) izgled: sjajna plava traka i kvadratni avatar
                Xf.Gloss(g, new Rectangle(0, 0, W, Theme.D(62)), Xf.Head1, Xf.Head2);
                var ar = new Rectangle((int)ax, (int)ay, (int)av, (int)av);
                using (var b = new SolidBrush(Theme.Menu)) g.FillRectangle(b, ar.X - Theme.D(4), ar.Y - Theme.D(4), ar.Width + Theme.D(8), ar.Height + Theme.D(8));
                Xf.Avatar(g, ar, app.ColorHex, app.Username, app.AvatarUrl, this, kind, Theme.Menu);
            }
            else
            {
                // traka u boji, gornji kutovi prate zaobljenje prozora
                using (var b = new LinearGradientBrush(new Rectangle(0, 0, W, Theme.D(62)), Theme.Shade(Theme.Accent, -0.05f), Theme.Shade(Theme.Hex(app.ColorHex, Theme.Accent), -0.3f), 0f))
                    g.FillRectangle(b, 0, 0, W, Theme.D(62));
                using (var b = new SolidBrush(Theme.Menu)) g.FillEllipse(b, ax - Theme.D(6), ay - Theme.D(6), av + Theme.D(12), av + Theme.D(12));
                Theme.Avatar(g, new RectangleF(ax, ay, av, av), app.ColorHex, app.Username, app.AvatarUrl, this, kind, Theme.Menu);
            }
            using (var f = Theme.ClassicLayout ? Xf.Font(19, FontStyle.Bold) : Theme.Body(20, FontStyle.Bold))
                Txt.Draw(g, app.Username ?? "", f, new Rectangle(Theme.D(16), Theme.D(108), W - Theme.D(32), Theme.D(28)), Theme.Text);
            using (var f = Theme.Body(13))
                Txt.Draw(g, Theme.KindText(app.Presence == "invisible" ? "invisible" : kind), f, new Rectangle(Theme.D(16), Theme.D(134), W - Theme.D(32), Theme.D(18)), Theme.Muted);

            foreach (var c in cards)
                using (var p = Theme.Round(c, Theme.D(8))) using (var b = new SolidBrush(Theme.Panel)) g.FillPath(b, p);

            for (int i = 0; i < items.Count; i++)
            {
                var it = items[i];
                if (it.Kind == "sep") continue;
                bool hot = i == hover;
                var r = it.R;
                if (hot)
                    using (var p = Theme.Round(r, Theme.D(4)))
                    using (var b = new SolidBrush(it.Danger ? Theme.Red : Theme.Accent)) g.FillPath(b, p);
                var tc = hot ? Color.White : it.Danger ? Theme.Red : Theme.Text2;
                if (it.Kind == "status")
                {
                    float ds = Theme.D(12);
                    var dr = new RectangleF(r.X + Theme.D(10), r.Y + (it.Desc != null ? Theme.D(11) : (r.Height - ds) / 2f), ds, ds);
                    Theme.StatusDot(g, dr, it.Key == "invisible" ? "off" : it.Key, hot ? Theme.Accent : Theme.Panel);
                    int x = r.X + Theme.D(32), w = r.Width - Theme.D(64);
                    using (var f = Theme.Display(14))
                        Txt.Draw(g, it.Title, f, new Rectangle(x, r.Y + (it.Desc != null ? Theme.D(5) : 0), w, it.Desc != null ? Theme.D(20) : r.Height), tc);
                    if (it.Desc != null)
                        using (var f = Theme.Body(12))
                            Txt.Draw(g, it.Desc, f, new Rectangle(x, r.Y + Theme.D(25), w, Theme.D(18)), hot ? Color.FromArgb(220, 255, 255, 255) : Theme.Muted);
                    if (app.Presence == it.Key)
                    {
                        var cr = new Rectangle(r.Right - Theme.D(28), r.Y + (r.Height - Theme.D(18)) / 2, Theme.D(18), Theme.D(18));
                        using (var b = new SolidBrush(hot ? Color.White : Theme.Accent)) g.FillEllipse(b, cr);
                        Theme.Check(g, cr, hot ? Theme.Accent : Color.White, 10);
                    }
                }
                else
                {
                    Theme.Icon(g, it.Glyph, "", new Rectangle(r.X + Theme.D(8), r.Y, Theme.D(18), r.Height), hot ? Color.White : it.Danger ? Theme.Red : Theme.Muted, 15);
                    using (var f = Theme.Display(14))
                        Txt.Draw(g, it.Title, f, new Rectangle(r.X + Theme.D(36), r.Y, r.Width - Theme.D(44), r.Height), tc);
                }
            }
            using (var p = Theme.Round(new RectangleF(0.5f, 0.5f, Width - 1.5f, Height - 1.5f), Theme.D(Theme.ClassicLayout ? 4 : 10)))
            using (var pen = new Pen(Theme.ClassicLayout ? Xf.Border : Theme.Line)) g.DrawPath(pen, p);
        }

        // prikaz kao iskocni prozor sa zaobljenim rubovima
        public static void Show(TrayApp app, Control anchor, Point at, bool above)
        {
            var pop = new ProfilePopout(app);
            var host = new ToolStripControlHost(pop) { Margin = Padding.Empty, Padding = Padding.Empty, AutoSize = false, Size = pop.Size };
            var dd = new ToolStripDropDown { Padding = Padding.Empty, Margin = Padding.Empty, AutoSize = false, Size = pop.Size, DropShadowEnabled = false, Renderer = new DarkRenderer() };
            dd.Items.Add(host);
            using (var path = Theme.Round(new RectangleF(0, 0, pop.Width, pop.Height), Theme.D(Theme.ClassicLayout ? 4 : 10))) dd.Region = new Region(path);
            pop.Host = dd;
            dd.Show(anchor, at, above ? ToolStripDropDownDirection.AboveRight : ToolStripDropDownDirection.BelowRight);
        }
    }
}

// ===================== Neo.cs =====================
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Windows.Forms;

namespace Fragline
{
    // Moderni raspored "Fragline Neo": gornja navigacija kao gaming launcher, prijatelji u desnoj ploci,
    // pocetna nadzorna ploca, voice "dock" na dnu. Nema bocnog popisa kao chat aplikacije.

    class TopNav : Control
    {
        public static readonly string[] Keys = { "home", "messages", "friends", "voice", "servers", "clans", "lfg" };
        static readonly string[] Names = { "Početna", "Poruke", "Prijatelji", "Voice", "Serveri", "Klanovi", "LFG" };
        static readonly string[] Glyphs = { "", Theme.IcoMsg, Theme.IcoPeople, Theme.IcoSpeaker, Theme.IcoGame, "", "\uE721" };
        public int Selected = 0;
        public readonly int[] Badges = new int[7];
        public bool VoiceOn, SocialOn = true;
        public int RightReserve;
        public int NotifUnread;
        public UserPanel Profile;
        public int OnlineCount;
        public event Action<Point> ProfileClicked;
        readonly List<Rectangle> tabs = new List<Rectangle>();
        Rectangle socialBtn, gearBtn, bellBtn, profileR;
        int hot = -1;
        readonly ToolTip tt = new ToolTip();
        public event Action<int> TabClicked;
        public event Action SocialClicked, SettingsClicked, NotifsClicked;

        public TopNav()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            Cursor = Cursors.Hand;
            Anim.Hook(this, () => new Rectangle(0, Height - Theme.D(3), Width, Theme.D(3)));
        }

        int Hit(Point p)
        {
            for (int i = 0; i < tabs.Count; i++) if (tabs[i].Contains(p)) return i;
            if (socialBtn.Contains(p)) return 100;
            if (gearBtn.Contains(p)) return 101;
            if (bellBtn.Contains(p)) return 102;
            if (Theme.Dash && profileR.Contains(p)) return 103;
            return -1;
        }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h != hot) { hot = h; tt.SetToolTip(this, h == 100 ? (SocialOn ? "Sakrij prijatelje" : "Prikaži prijatelje") : h == 101 ? "Postavke" : h == 102 ? "Obavijesti" : null); Invalidate(); }
            base.OnMouseMove(e);
        }
        protected override void OnMouseLeave(EventArgs e) { hot = -1; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h >= 0 && h < 100 && TabClicked != null) TabClicked(h);
            else if (h == 100 && SocialClicked != null) SocialClicked();
            else if (h == 101 && SettingsClicked != null) SettingsClicked();
            else if (h == 102 && NotifsClicked != null) NotifsClicked();
            else if (h == 103 && ProfileClicked != null) ProfileClicked(new Point(profileR.X, Height + Theme.D(4)));
            base.OnMouseClick(e);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            bool dash = Theme.Dash;
            int x = Theme.D(196);
            if (dash)
            {
                // "Ploca": traka u ljubicasto-ruzicastom prijelazu, lijevo avatar, ime i broj prijatelja online
                using (var b = new LinearGradientBrush(ClientRectangle, Theme.Shade(Theme.Accent, -0.05f), Theme.Shade(Theme.Accent2, -0.05f), 0f)) g.FillRectangle(b, ClientRectangle);
                using (var b = new SolidBrush(Color.FromArgb(25, 255, 255, 255))) g.FillRectangle(b, 0, 0, Width, Height / 2);
                float av = Theme.D(42);
                var ar = new RectangleF(Theme.D(18), (Height - av) / 2f, av, av);
                using (var b = new SolidBrush(Color.White)) g.FillEllipse(b, ar.X - Theme.D(2), ar.Y - Theme.D(2), av + Theme.D(4), av + Theme.D(4));
                if (Profile != null) Theme.Avatar(g, ar, Profile.ColorHex, Profile.User, Profile.Avatar, this, Profile.Kind, Theme.Accent);
                int nx = (int)ar.Right + Theme.D(12);
                string nm = Profile != null ? Profile.User : "";
                using (var f = Theme.Display(16))
                {
                    int nw;
                    using (var f2 = Theme.Body(11.5f, FontStyle.Bold))
                        nw = Math.Max(TextRenderer.MeasureText(nm, f).Width, TextRenderer.MeasureText(OnlineCount + " PRIJATELJA ONLINE", f2).Width + Theme.D(8));
                    profileR = new Rectangle((int)ar.X - Theme.D(4), Theme.D(8), nx - (int)ar.X + nw + Theme.D(30), Height - Theme.D(16));
                    if (hot == 103) using (var p = Theme.Round(profileR, Theme.D(12))) using (var b = new SolidBrush(Color.FromArgb(35, 255, 255, 255))) g.FillPath(b, p);
                    Txt.Draw(g, nm, f, new Rectangle(nx, Theme.D(12), nw + Theme.D(4), Theme.D(22)), Color.White);
                }
                using (var f = Theme.Body(11.5f, FontStyle.Bold))
                    Txt.Draw(g, (OnlineCount + " PRIJATELJA ONLINE").ToUpperInvariant(), f, new Rectangle(nx, Theme.D(35), profileR.Right - nx - Theme.D(18), Theme.D(16)), Color.FromArgb(215, 255, 255, 255));
                Theme.Chevron(g, new RectangleF(profileR.Right - Theme.D(20), Theme.D(32), Theme.D(12), Theme.D(20)), true, Color.FromArgb(215, 255, 255, 255));
                x = Math.Max(Theme.D(196), profileR.Right + Theme.D(24));
            }
            else
            {
                g.Clear(Theme.Panel);
                using (var pen = new Pen(Theme.Line)) g.DrawLine(pen, 0, Height - 1, Width, Height - 1);
                if (Theme.Animated) Anim.Fill(g, new Rectangle(0, Height - Theme.D(2), Width, Theme.D(2)), 0.8f, 1f, 0f);
                // znak
                Theme.DrawFlame(g, new RectangleF(Theme.D(18), (Height - Theme.D(28)) / 2f, Theme.D(25), Theme.D(28)));
                Theme.Wordmark(g, Theme.D(52), Height / 2f, 21, Theme.Text);
            }
            // kartice
            tabs.Clear();
            using (var f = Theme.Display(14))
                for (int i = 0; i < Names.Length; i++)
                {
                    var tw = TextRenderer.MeasureText(Names[i], f, Size.Empty, TextFormatFlags.NoPadding).Width;
                    var r = new Rectangle(x, 0, tw + Theme.D(52), Height);
                    if (r.Right > Width - RightReserve - Theme.D(100)) break;
                    tabs.Add(r);
                    bool sel = i == Selected, h = i == hot;
                    var pill = new Rectangle(r.X + Theme.D(4), Theme.D(12), r.Width - Theme.D(8), Height - Theme.D(24));
                    if (dash && (sel || h)) using (var p = Theme.Round(pill, Theme.D(12))) using (var b = new SolidBrush(Color.FromArgb(sel ? 55 : 28, 255, 255, 255))) g.FillPath(b, p);
                    else if (h && !sel) using (var p = Theme.Round(pill, Theme.D(10))) using (var b = new SolidBrush(Theme.Panel2)) g.FillPath(b, p);
                    var fc = dash ? Color.FromArgb(sel ? 255 : h ? 235 : 195, 255, 255, 255) : sel ? Theme.Text : h ? Theme.Text2 : Theme.Muted;
                    var gc = dash ? fc : sel ? Theme.Accent2 : fc;
                    if (i == 3 && VoiceOn) gc = Theme.On;
                    Theme.Icon(g, Glyphs[i], "", new Rectangle(r.X + Theme.D(14), 0, Theme.D(18), Height), gc, 15);
                    Txt.Draw(g, Names[i], f, new Rectangle(r.X + Theme.D(38), 0, tw + 2, Height), fc);
                    if (Badges[i] > 0) Theme.Pill(g, Badges[i] > 99 ? "99+" : Badges[i].ToString(), new Rectangle(r.Right - Theme.D(22), Theme.D(10), Theme.D(22), Theme.D(16)), true, Theme.Panel);
                    if (sel && !dash)
                    {
                        // odabrana kartica: svjetleca crta u prijelazu boje
                        var ur = new Rectangle(r.X + Theme.D(14), Height - Theme.D(4), r.Width - Theme.D(28), Theme.D(3));
                        using (var b = new SolidBrush(Color.FromArgb(60, Theme.Accent2))) g.FillRectangle(b, ur.X, ur.Y - Theme.D(5), ur.Width, Theme.D(5));
                        using (var p = Theme.Round(ur, Theme.D(1.5f))) using (var b = new LinearGradientBrush(ur, Theme.Accent, Theme.Accent2, 0f)) g.FillPath(b, p);
                    }
                    x = r.Right;
                }
            // desno: prijatelji i postavke (lijevo od kartice profila)
            int s = Theme.D(36), bx = Width - RightReserve - Theme.D(8);
            gearBtn = new Rectangle(bx - s, (Height - s) / 2, s, s);
            socialBtn = new Rectangle(gearBtn.X - s - Theme.D(6), gearBtn.Y, s, s);
            bellBtn = new Rectangle(socialBtn.X - s - Theme.D(6), gearBtn.Y, s, s);
            foreach (var t in new[] { Tuple.Create(bellBtn, 102, ""), Tuple.Create(socialBtn, 100, Theme.IcoPeople), Tuple.Create(gearBtn, 101, Theme.IcoGear) })
            {
                bool on = t.Item2 == 100 && SocialOn;
                if (dash)
                {
                    if (hot == t.Item2 || on) using (var b = new SolidBrush(Color.FromArgb(hot == t.Item2 ? 45 : 25, 255, 255, 255))) g.FillEllipse(b, t.Item1);
                    Theme.Icon(g, t.Item3, t.Item2 == 102 ? "!" : "", t.Item1, Color.White, 15);
                    continue;
                }
                if (hot == t.Item2)
                    using (var b = new SolidBrush(Theme.Panel2)) g.FillEllipse(b, t.Item1);
                if (on)
                    using (var pen = new Pen(Color.FromArgb(120, Theme.Accent2), Theme.D(1.5f))) g.DrawEllipse(pen, t.Item1.X + 1, t.Item1.Y + 1, t.Item1.Width - 2, t.Item1.Height - 2);
                Theme.Icon(g, t.Item3, t.Item2 == 102 ? "!" : "", t.Item1, on ? Theme.Accent2 : hot == t.Item2 ? Theme.Text : Theme.Muted, 15);
            }
            if (NotifUnread > 0)
                Theme.Pill(g, NotifUnread > 99 ? "99+" : NotifUnread.ToString(), new Rectangle(bellBtn.Right - Theme.D(18), bellBtn.Y + Theme.D(2), Theme.D(18), Theme.D(14)), true, Theme.Panel);
        }
    }

    // Kartica profila gore desno: avatar, ime i status; klik otvara iskocni profil
    class ProfileChip : UserPanel
    {
        bool hot;

        public ProfileChip() { BackColor = Theme.Panel; Cursor = Cursors.Hand; }

        protected override void OnMouseMove(MouseEventArgs e) { if (!hot) { hot = true; Invalidate(); } }
        protected override void OnMouseLeave(EventArgs e) { hot = false; Invalidate(); }
        protected override void OnMouseClick(MouseEventArgs e) { Fire(0, new Point(Width - Theme.D(300), Height + Theme.D(6))); }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Theme.Panel);
            var r = new RectangleF(0.5f, 0.5f, Width - 1.5f, Height - 1.5f);
            var bg = hot ? Theme.Panel2 : Theme.Field;
            using (var p = Theme.Round(r, Height / 2f))
            {
                using (var b = new SolidBrush(bg)) g.FillPath(b, p);
                using (var pen = new Pen(Color.FromArgb(hot ? 160 : 80, Theme.Accent))) g.DrawPath(pen, p);
            }
            float av = Height - Theme.D(10);
            Theme.Avatar(g, new RectangleF(Theme.D(5), Theme.D(5), av, av), ColorHex, User, Avatar, this, Kind, bg);
            int x = (int)av + Theme.D(14), w = Width - x - Theme.D(14);
            using (var f = Theme.Display(13.5f))
                Txt.Draw(g, User, f, new Rectangle(x, Theme.D(4), w, Height / 2 - Theme.D(2)), Theme.Text);
            string sub = Offline ? "Nema veze" : Game != null ? "Igra " + Game : Theme.KindText(Presence == "invisible" ? "invisible" : Kind);
            using (var f = Theme.Body(11.5f))
                Txt.Draw(g, sub, f, new Rectangle(x, Height / 2, w, Height / 2 - Theme.D(4)), Offline ? Theme.Red : Game != null ? Theme.On : Theme.Muted);
        }
    }

    // Desna ploca s prijateljima (kao u gaming launcherima)
    class SocialPanel : UserControl
    {
        readonly TrayApp app;
        public readonly XBuddyList List;
        int online, total;
        readonly Panel head = new Panel();
        bool addHot;

        public SocialPanel(TrayApp app)
        {
            this.app = app;
            BackColor = Theme.Panel;
            List = new XBuddyList(app, true) { Dock = DockStyle.Fill };
            head.Dock = DockStyle.Top;
            head.Height = Theme.D(58);
            head.BackColor = Theme.Panel;
            head.Cursor = Cursors.Default;
            head.Paint += (s, e) =>
            {
                var g = e.Graphics;
                g.SmoothingMode = SmoothingMode.AntiAlias;
                using (var f = Theme.Display(16))
                    Txt.Draw(g, "Prijatelji", f, new Rectangle(Theme.D(18), Theme.D(8), head.Width - Theme.D(70), Theme.D(24)), Theme.Text);
                using (var f = Theme.Body(12))
                    Txt.Draw(g, online + " online od " + total, f, new Rectangle(Theme.D(18), Theme.D(32), head.Width - Theme.D(70), Theme.D(18)), Theme.Muted);
                var ab = AddBtn();
                using (var p = Theme.Round(ab, ab.Height / 2f))
                {
                    if (addHot) using (var b = new LinearGradientBrush(ab, Theme.Accent, Theme.Accent2, 0f)) g.FillPath(b, p);
                    else using (var b = new SolidBrush(Theme.Panel2)) g.FillPath(b, p);
                }
                Theme.Icon(g, "", "+", ab, addHot ? Color.White : Theme.Text2, 15);
            };
            head.MouseMove += (s, e) => { bool h = AddBtn().Contains(e.Location); if (h != addHot) { addHot = h; head.Cursor = h ? Cursors.Hand : Cursors.Default; head.Invalidate(); } };
            head.MouseLeave += (s, e) => { addHot = false; head.Invalidate(); };
            head.MouseClick += (s, e) => { if (AddBtn().Contains(e.Location)) app.ShowAddFriend(); };
            new ToolTip().SetToolTip(head, "Dodaj prijatelja");
            Controls.Add(List);
            Controls.Add(head);
            List.BringToFront();
        }

        Rectangle AddBtn() { int s = Theme.D(36); return new Rectangle(head.Width - s - Theme.D(14), (head.Height - s) / 2, s, s); }

        public void SetData(List<Friend> f)
        {
            online = f.Count(x => x.Kind != "off");
            total = f.Count;
            List.SetData(f);
            head.Invalidate();
        }
    }

    // Pozdravna kartica na pocetnoj: avatar, pozdrav, "staklene" oznake i gumbi-pilule
    class HeroCard : Control
    {
        readonly TrayApp app;
        public int Online, Playing;
        int hot = -1;
        Rectangle findR, addR;
        public event Action FindClicked, AddClicked;

        public HeroCard(TrayApp app)
        {
            this.app = app;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
        }

        int Hit(Point p) { return findR.Contains(p) ? 0 : addR.Contains(p) ? 1 : -1; }
        protected override void OnMouseMove(MouseEventArgs e) { int h = Hit(e.Location); if (h != hot) { hot = h; Cursor = h >= 0 ? Cursors.Hand : Cursors.Default; Invalidate(); } base.OnMouseMove(e); }
        protected override void OnMouseLeave(EventArgs e) { hot = -1; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h == 0 && FindClicked != null) FindClicked();
            else if (h == 1 && AddClicked != null) AddClicked();
            base.OnMouseClick(e);
        }

        void Chip(Graphics g, ref int x, int y, Color dot, string text)
        {
            using (var f = Theme.Display(12.5f))
            {
                int w = TextRenderer.MeasureText(text, f, Size.Empty, TextFormatFlags.NoPadding).Width + Theme.D(34);
                var r = new Rectangle(x, y, w, Theme.D(26));
                using (var p = Theme.Round(r, r.Height / 2f)) using (var b = new SolidBrush(Color.FromArgb(46, 255, 255, 255))) g.FillPath(b, p);
                using (var b = new SolidBrush(dot)) g.FillEllipse(b, r.X + Theme.D(11), r.Y + (r.Height - Theme.D(8)) / 2, Theme.D(8), Theme.D(8));
                TextRenderer.DrawText(g, text, f, new Rectangle(r.X + Theme.D(24), r.Y, w - Theme.D(28), r.Height), Color.White, TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
                x = r.Right + Theme.D(8);
            }
        }

        Rectangle Button(Graphics g, int x, int y, string text, bool solid, bool hover)
        {
            using (var f = Theme.Display(14))
            {
                int w = TextRenderer.MeasureText(text, f, Size.Empty, TextFormatFlags.NoPadding).Width + Theme.D(40);
                var r = new Rectangle(x, y, w, Theme.D(40));
                using (var p = Theme.Round(r, r.Height / 2f))
                {
                    if (solid) using (var b = new SolidBrush(hover ? Color.FromArgb(235, 240, 255) : Color.White)) g.FillPath(b, p);
                    else
                    {
                        using (var b = new SolidBrush(Color.FromArgb(hover ? 70 : 40, 255, 255, 255))) g.FillPath(b, p);
                        using (var pen = new Pen(Color.FromArgb(140, 255, 255, 255), Theme.D(1.2f))) g.DrawPath(pen, p);
                    }
                }
                TextRenderer.DrawText(g, text, f, r, solid ? Theme.Shade(Theme.Accent, -0.25f) : Color.White, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
                return r;
            }
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Parent != null ? Parent.BackColor : Theme.Bg);
            var r = new Rectangle(0, 0, Width - 1, Height - 1);
            using (var p = Theme.Round(r, Theme.D(20)))
            {
                using (var b = new LinearGradientBrush(r, Theme.Accent, Theme.Accent2, 20f)) g.FillPath(b, p);
                var st = g.Save();
                g.SetClip(p);
                // meki ukrasni krugovi i tamniji donji rub za dubinu
                using (var b = new SolidBrush(Color.FromArgb(30, 255, 255, 255)))
                {
                    g.FillEllipse(b, Width - Theme.D(300), -Theme.D(160), Theme.D(380), Theme.D(380));
                    g.FillEllipse(b, Width - Theme.D(170), Height - Theme.D(110), Theme.D(240), Theme.D(240));
                }
                using (var b = new LinearGradientBrush(new Rectangle(0, Height / 2, Width, Height / 2 + 1), Color.FromArgb(0, 0, 0, 0), Color.FromArgb(50, 0, 0, 0), 90f))
                    g.FillRectangle(b, 0, Height / 2, Width, Height / 2 + 1);
                g.Restore(st);
            }
            g.SmoothingMode = SmoothingMode.AntiAlias;
            Theme.DrawFlame(g, new RectangleF(Width - Theme.D(150), (Height - Theme.D(120)) / 2f, Theme.D(104), Theme.D(120)));

            // avatar s bijelim prstenom
            float av = Theme.D(72), ax = Theme.D(28), ay = Theme.D(28);
            using (var b = new SolidBrush(Color.FromArgb(220, 255, 255, 255))) g.FillEllipse(b, ax - Theme.D(4), ay - Theme.D(4), av + Theme.D(8), av + Theme.D(8));
            Theme.Avatar(g, new RectangleF(ax, ay, av, av), app.ColorHex, app.Username, app.AvatarUrl, this, null, Color.White);

            int tx = (int)(ax + av + Theme.D(22)), tw = Math.Max(10, Width - tx - Theme.D(190));
            using (var f = Theme.Display(27))
                Txt.Draw(g, "Bok, " + (app.Username ?? "igraču") + "!", f, new Rectangle(tx, Theme.D(24), tw, Theme.D(40)), Color.White);
            string sub;
            var game = app.CurrentGame;
            if (game != null) sub = "Upravo igraš " + game + ". Scroll Lock šalje screenshot na tvoj profil.";
            else if (Playing > 0) sub = "Prijatelji su u igri. Pridruži im se ili pronađi novi server.";
            else if (Online > 0) sub = "Prijatelji su online. Spreman za igru?";
            else sub = "Nitko od prijatelja nije online. Dodaj nekoga ili pronađi server.";
            using (var f = Theme.Body(14.5f))
                Txt.Draw(g, sub, f, new Rectangle(tx, Theme.D(64), tw, Theme.D(22)), Color.FromArgb(235, 255, 255, 255));
            int cx = tx;
            Chip(g, ref cx, Theme.D(94), Theme.On, Online + " online");
            Chip(g, ref cx, Theme.D(94), Theme.Idle, Playing + " u igri");

            int by = Height - Theme.D(40) - Theme.D(24);
            findR = Button(g, Theme.D(28), by, "Pronađi server", true, hot == 0);
            addR = Button(g, findR.Right + Theme.D(10), by, "Dodaj prijatelja", false, hot == 1);
        }
    }

    // Velike kartice prijatelja koji igraju ili su u voiceu
    class GameCards : Control
    {
        readonly TrayApp app;
        List<Friend> items = new List<Friend>();
        readonly List<Rectangle> cards = new List<Rectangle>();
        int hover = -1;

        public GameCards(TrayApp app)
        {
            this.app = app;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
        }

        public void SetData(List<Friend> all)
        {
            items = all.Where(f => f.Status == "play" || (f.Voice != null && f.Kind != "off")).OrderBy(Txt.Rank).ThenBy(f => f.Username, StringComparer.OrdinalIgnoreCase).Take(8).ToList();
            Invalidate();
        }

        int Cols(int w) { return Math.Max(1, (w + Theme.D(14)) / (Theme.D(250) + Theme.D(14))); }
        public int HeightFor(int w)
        {
            if (items.Count == 0) return Theme.D(64);
            int rows = Math.Min(2, (items.Count + Cols(w) - 1) / Cols(w));
            return rows * Theme.D(96) + (rows - 1) * Theme.D(14);
        }

        int Hit(Point p) { for (int i = 0; i < cards.Count; i++) if (cards[i].Contains(p)) return i; return -1; }
        protected override void OnMouseMove(MouseEventArgs e) { int h = Hit(e.Location); if (h != hover) { hover = h; Cursor = h >= 0 ? Cursors.Hand : Cursors.Default; Invalidate(); } base.OnMouseMove(e); }
        protected override void OnMouseLeave(EventArgs e) { hover = -1; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e) { int h = Hit(e.Location); if (h >= 0 && h < items.Count) app.OpenChat(items[h]); base.OnMouseClick(e); }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Parent != null ? Parent.BackColor : Theme.Bg);
            cards.Clear();
            if (items.Count == 0)
            {
                var er = new Rectangle(0, 0, Width - 1, Height - 1);
                using (var p = Theme.Round(er, Theme.D(14))) using (var pen = new Pen(Theme.Line) { DashStyle = DashStyle.Dash }) g.DrawPath(pen, p);
                using (var f = Theme.Body(13.5f))
                    TextRenderer.DrawText(g, "Nitko od prijatelja trenutno ne igra. Kad netko pokrene igru, ovdje će se pojaviti njegova kartica.", f, er, Theme.Muted,
                        TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.WordBreak | TextFormatFlags.NoPrefix);
                return;
            }
            int cols = Cols(Width), gap = Theme.D(14), cw = (Width - gap * (cols - 1)) / cols, ch = Theme.D(96);
            for (int i = 0; i < items.Count && i < cols * 2; i++)
            {
                var f = items[i];
                var r = new Rectangle((i % cols) * (cw + gap), (i / cols) * (ch + gap), cw, ch);
                cards.Add(r);
                bool hot = i == hover;
                using (var p = Theme.Round(r, Theme.D(14)))
                {
                    using (var b = new LinearGradientBrush(r, hot ? Theme.Panel3 : Theme.Panel2, Theme.Panel, 90f)) g.FillPath(b, p);
                    using (var pen = new Pen(hot ? Color.FromArgb(160, Theme.Accent2) : Theme.Line)) g.DrawPath(pen, p);
                }
                // velika ikona igre s malim avatarom preko kuta
                var ir = new Rectangle(r.X + Theme.D(14), r.Y + Theme.D(14), Theme.D(68), Theme.D(68));
                var img = f.GameIcon != null ? ImageCache.Get(f.GameIcon, this) : null;
                if (img != null) g.DrawImage(Theme.Masked(img, ir.Width, ir.Height, Theme.D(12)), ir.X, ir.Y, ir.Width, ir.Height);
                else
                {
                    using (var p = Theme.Round(ir, Theme.D(12))) using (var b = new LinearGradientBrush(ir, Theme.Accent, Theme.Accent2, 45f)) g.FillPath(b, p);
                    Theme.Icon(g, f.Status == "play" ? Theme.IcoGame : Theme.IcoSpeaker, "", ir, Color.White, 26);
                }
                float av = Theme.D(30);
                using (var b = new SolidBrush(Theme.Panel)) g.FillEllipse(b, ir.Right - av + Theme.D(2), ir.Bottom - av + Theme.D(2), av + Theme.D(4), av + Theme.D(4));
                Theme.Avatar(g, new RectangleF(ir.Right - av + Theme.D(4), ir.Bottom - av + Theme.D(4), av, av), f.Color, f.Username, f.Avatar, this, null, Theme.Panel);
                int x = ir.Right + Theme.D(16), w = Math.Max(10, r.Right - x - Theme.D(12));
                using (var fn = Theme.Display(15))
                    Txt.Draw(g, f.Username, fn, new Rectangle(x, r.Y + Theme.D(18), w, Theme.D(22)), Theme.Text);
                bool play = f.Status == "play";
                using (var fn = Theme.Body(13))
                    Txt.Draw(g, play ? f.Game : "U voiceu: " + f.Voice, fn, new Rectangle(x, r.Y + Theme.D(42), w, Theme.D(20)), play ? Theme.On : Theme.Accent2);
                var since = play ? Theme.Since(f.Since) : null;
                using (var fn = Theme.Body(11.5f))
                    Txt.Draw(g, since != null ? "već " + since + " · klikni za poruku" : "klikni za poruku", fn, new Rectangle(x, r.Y + Theme.D(64), w, Theme.D(18)), Theme.Muted);
            }
        }
    }

    // Pocetna: pozdrav, prijatelji u igri i nedavna aktivnost
    class HomePage : UserControl
    {
        public readonly HeroCard Hero;
        public readonly GameCards Cards;
        readonly ActivityView activity;
        readonly Label l1 = new Label(), l2 = new Label();

        public HomePage(TrayApp app)
        {
            BackColor = Theme.Bg;
            Hero = new HeroCard(app);
            Cards = new GameCards(app);
            activity = new ActivityView(app);
            foreach (var l in new[] { l1, l2 }) { l.Font = Theme.Body(12, FontStyle.Bold); l.ForeColor = Theme.Muted; l.BackColor = Theme.Bg; l.AutoSize = true; }
            l1.Text = "PRIJATELJI U IGRI";
            l2.Text = "NEDAVNA AKTIVNOST";
            Hero.FindClicked += () => app.ShowServers();
            Hero.AddClicked += () => app.ShowAddFriend();
            Controls.AddRange(new Control[] { Hero, l1, Cards, l2, activity });
        }

        protected override void OnResize(EventArgs e)
        {
            base.OnResize(e);
            if (activity == null) return;
            int pad = Theme.D(24), w = Math.Max(10, Width - pad * 2), y = pad;
            Hero.SetBounds(pad, y, w, Theme.D(196)); y += Theme.D(196) + Theme.D(26);
            l1.Location = new Point(pad + Theme.D(2), y); y += Theme.D(24);
            int ch = Cards.HeightFor(w);
            Cards.SetBounds(pad, y, w, ch); y += ch + Theme.D(26);
            l2.Location = new Point(pad + Theme.D(2), y); y += Theme.D(20);
            activity.SetBounds(pad - Theme.D(16), y, w + Theme.D(32), Math.Max(10, Height - y - Theme.D(8)));
        }

        public void SetFriends(List<Friend> f)
        {
            Hero.Online = f.Count(x => x.Kind != "off");
            Hero.Playing = f.Count(x => x.Status == "play");
            Hero.Invalidate();
            int before = Cards.HeightFor(Math.Max(10, Width - Theme.D(48)));
            Cards.SetData(f);
            if (Cards.HeightFor(Math.Max(10, Width - Theme.D(48))) != before) OnResize(EventArgs.Empty);
        }
    }

    // Klanovi kao mreza velikih kartica
    class ClanCards : Control
    {
        readonly TrayApp app;
        List<ClanItem> clans = new List<ClanItem>();
        readonly List<Rectangle> cards = new List<Rectangle>();
        int hover = -1;

        public ClanCards(TrayApp app)
        {
            this.app = app;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            BackColor = Theme.Bg;
        }

        public void SetData(List<ClanItem> c) { clans = c; Invalidate(); }

        int Hit(Point p) { for (int i = 0; i < cards.Count; i++) if (cards[i].Contains(p)) return i; return -1; }
        protected override void OnMouseMove(MouseEventArgs e) { int h = Hit(e.Location); if (h != hover) { hover = h; Cursor = h >= 0 ? Cursors.Hand : Cursors.Default; Invalidate(); } base.OnMouseMove(e); }
        protected override void OnMouseLeave(EventArgs e) { hover = -1; Invalidate(); base.OnMouseLeave(e); }

        protected override void OnMouseClick(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h < 0) return;
            if (h >= clans.Count) { if (e.Button == MouseButtons.Left) app.ShowClanForm(false); return; }
            var c = clans[h];
            if (e.Button == MouseButtons.Right)
            {
                var menu = Ui.Menu();
                if (c.Slug != null) menu.Items.Add(new ToolStripMenuItem("Otvori stranicu klana", null, (a, b) => app.Open("/clan/" + Uri.EscapeDataString(c.Slug))));
                menu.Items.Add(new ToolStripMenuItem("Kopiraj link za pozivanje", null, (a, b) => { try { Clipboard.SetText(Api.Base + "/clan/" + c.Slug); } catch { } }));
                menu.Items.Add(new ToolStripSeparator());
                menu.Items.Add(new ToolStripMenuItem(c.Owner ? "Obriši klan" : "Napusti klan", null, (a, b) => app.LeaveClan(c)) { ForeColor = Theme.Red });
                menu.Show(this, e.Location);
            }
            else if (c.Slug != null) app.Open("/clan/" + Uri.EscapeDataString(c.Slug));
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Theme.Bg);
            cards.Clear();
            int gap = Theme.D(16), cols = Math.Max(1, (Width + gap) / (Theme.D(210) + gap)), cw = (Width - gap * (cols - 1)) / cols, ch = Theme.D(150);
            for (int i = 0; i <= clans.Count; i++)
            {
                var r = new Rectangle((i % cols) * (cw + gap), (i / cols) * (ch + gap), cw, ch);
                if (r.Y > Height) break;
                cards.Add(r);
                bool hot = i == hover;
                if (i == clans.Count)
                {
                    // zadnja kartica: novi klan
                    using (var p = Theme.Round(r, Theme.D(16)))
                    {
                        if (hot) using (var b = new SolidBrush(Theme.Panel)) g.FillPath(b, p);
                        using (var pen = new Pen(hot ? Theme.Accent2 : Theme.Line, Theme.D(1.5f)) { DashStyle = DashStyle.Dash }) g.DrawPath(pen, p);
                    }
                    Theme.Icon(g, Theme.IcoAdd, "+", new Rectangle(r.X, r.Y + Theme.D(30), r.Width, Theme.D(40)), hot ? Theme.Accent2 : Theme.Muted, 26);
                    using (var f = Theme.Display(14))
                        TextRenderer.DrawText(g, "Napravi ili pronađi klan", f, new Rectangle(r.X, r.Y + Theme.D(84), r.Width, Theme.D(22)), hot ? Theme.Text : Theme.Muted, TextFormatFlags.HorizontalCenter | TextFormatFlags.NoPrefix);
                    continue;
                }
                var c = clans[i];
                var col = Theme.Hex(c.Color, Theme.Accent);
                using (var p = Theme.Round(r, Theme.D(16)))
                {
                    using (var b = new SolidBrush(Theme.Panel)) g.FillPath(b, p);
                    using (var pen = new Pen(hot ? col : Theme.Line, hot ? Theme.D(1.5f) : 1f)) g.DrawPath(pen, p);
                }
                // gornji dio kartice u boji klana
                var top = new Rectangle(r.X, r.Y, r.Width, Theme.D(70));
                using (var p = new GraphicsPath())
                {
                    float d = Theme.D(32);
                    p.AddArc(top.X, top.Y, d, d, 180, 90);
                    p.AddArc(top.Right - d, top.Y, d, d, 270, 90);
                    p.AddLine(top.Right, top.Bottom, top.X, top.Bottom);
                    p.CloseFigure();
                    using (var b = new LinearGradientBrush(top, Theme.Shade(col, 0.1f), Theme.Shade(col, -0.35f), 30f)) g.FillPath(b, p);
                }
                var tag = c.Tag ?? "?";
                var tr = new Rectangle(r.X + Theme.D(16), r.Y + Theme.D(40), Theme.D(56), Theme.D(56));
                using (var p = Theme.Round(tr, Theme.D(14)))
                {
                    using (var b = new SolidBrush(Theme.Panel)) g.FillPath(b, p);
                    var inner = tr; inner.Inflate(-Theme.D(4), -Theme.D(4));
                    using (var p2 = Theme.Round(inner, Theme.D(11))) using (var b = new LinearGradientBrush(inner, col, Theme.Shade(col, -0.3f), 45f)) g.FillPath(b, p2);
                    using (var f = Theme.Body(tag.Length > 3 ? 11 : 14, FontStyle.Bold))
                        TextRenderer.DrawText(g, tag, f, inner, Color.White, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding | TextFormatFlags.NoPrefix);
                }
                var name = c.Name ?? "";
                if (!string.IsNullOrEmpty(c.Tag) && name.StartsWith("[" + c.Tag + "] ")) name = name.Substring(c.Tag.Length + 3);
                using (var f = Theme.Display(15))
                    Txt.Draw(g, name, f, new Rectangle(r.X + Theme.D(16), r.Y + Theme.D(100), r.Width - Theme.D(32), Theme.D(22)), Theme.Text);
                using (var f = Theme.Body(12))
                    Txt.Draw(g, c.Owner ? "Ti si vođa" : "Član", f, new Rectangle(r.X + Theme.D(16), r.Y + Theme.D(122), r.Width - Theme.D(32), Theme.D(18)), c.Owner ? Theme.Idle : Theme.Muted);
            }
        }
    }

    class ClansPage : UserControl
    {
        readonly PageHeader head = new PageHeader { Glyph = "", Title = "Klanovi", Sub = "Tvoje ekipe. Desni klik za više opcija." };
        public readonly ClanCards Cards;

        public ClansPage(TrayApp app)
        {
            BackColor = Theme.Bg;
            Cards = new ClanCards(app);
            Controls.AddRange(new Control[] { head, Cards });
        }

        protected override void OnResize(EventArgs e)
        {
            base.OnResize(e);
            if (Cards == null) return;
            head.SetBounds(0, 0, Width, Theme.D(56));
            Cards.SetBounds(Theme.D(24), Theme.D(76), Math.Max(10, Width - Theme.D(48)), Math.Max(10, Height - Theme.D(96)));
        }
    }

    // Poruke: popis razgovora lijevo, razgovor u oblacicima desno
    class MessagesPage : UserControl
    {
        public readonly HomeList List;
        public readonly ChatView Chat;
        readonly EmptyState empty = new EmptyState(Theme.IcoMsg, "Tvoji razgovori", "Odaberi razgovor s lijeve strane ili klikni prijatelja u ploči desno.");

        public MessagesPage(TrayApp app)
        {
            BackColor = Theme.Bg;
            List = new HomeList(app, true);
            Chat = new ChatView(app) { Visible = false };
            List.Picked += key => { if (key.StartsWith("dm:")) app.OpenChatByName(key.Substring(3)); };
            Controls.AddRange(new Control[] { List, Chat, empty });
        }

        protected override void OnResize(EventArgs e)
        {
            base.OnResize(e);
            if (empty == null) return;
            int lw = Theme.D(290);
            List.SetBounds(0, 0, lw, Height);
            Chat.SetBounds(lw, 0, Math.Max(10, Width - lw), Height);
            empty.SetBounds(lw, 0, Math.Max(10, Width - lw), Height);
        }

        public void ShowChat(bool on) { Chat.Visible = on; empty.Visible = !on; }
    }

    // Prazno stanje: velika ikona u krugu s prijelazom boje, naslov i opis
    class EmptyState : Control
    {
        readonly string glyph, title, text;

        public EmptyState(string glyph, string title, string text)
        {
            this.glyph = glyph;
            this.title = title;
            this.text = text;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Theme.Bg);
            int cy = Height / 2 - Theme.D(60), s = Theme.D(88);
            var c = new Rectangle((Width - s) / 2, cy - s / 2, s, s);
            using (var b = new SolidBrush(Color.FromArgb(40, Theme.Accent2))) g.FillEllipse(b, c.X - Theme.D(14), c.Y - Theme.D(14), s + Theme.D(28), s + Theme.D(28));
            using (var b = new LinearGradientBrush(c, Theme.Accent, Theme.Accent2, 45f)) g.FillEllipse(b, c);
            Theme.Icon(g, glyph, "", c, Color.White, 34);
            using (var f = Theme.Display(20))
                TextRenderer.DrawText(g, title, f, new Rectangle(0, c.Bottom + Theme.D(26), Width, Theme.D(30)), Theme.Text, TextFormatFlags.HorizontalCenter | TextFormatFlags.NoPrefix);
            using (var f = Theme.Body(14))
                TextRenderer.DrawText(g, text, f, new Rectangle(Theme.D(40), c.Bottom + Theme.D(60), Width - Theme.D(80), Theme.D(60)), Theme.Muted, TextFormatFlags.HorizontalCenter | TextFormatFlags.WordBreak | TextFormatFlags.NoPrefix);
        }
    }

    // Voice: popis soba lijevo i soba (plocice sudionika i kontrole) desno
    class VoiceHub : UserControl
    {
        public readonly VoiceView Rooms;
        public readonly VoicePage Stage;

        public VoiceHub(TrayApp app)
        {
            BackColor = Theme.Bg;
            Rooms = new VoiceView(app);
            Stage = new VoicePage(app, Rooms);
            Controls.AddRange(new Control[] { Rooms, Stage });
        }

        protected override void OnResize(EventArgs e)
        {
            base.OnResize(e);
            if (Stage == null) return;
            int lw = Theme.D(300);
            Rooms.SetBounds(0, 0, lw, Height);
            Stage.SetBounds(lw, 0, Math.Max(10, Width - lw), Height);
        }
    }

    // Traka na dnu dok si u voiceu (kao traka media playera)
    class VoiceDock : Control
    {
        readonly TrayApp app;
        public readonly RoundButton Mic = new RoundButton(Theme.IcoMic, "M", "Mikrofon"), Deaf = new RoundButton(Theme.IcoHead, "Z", "Zvuk"), Hang = new RoundButton(Theme.IcoHangup, "X", "Izađi") { Danger = true };
        public string Room;
        public bool Talking;
        public int Members;
        public event Action Open;

        public VoiceDock(TrayApp app)
        {
            this.app = app;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            Cursor = Cursors.Hand;
            foreach (var b in new[] { Mic, Deaf, Hang }) b.BackColor = Theme.UserBar;
            Mic.Click += (s, e) => app.ToggleMute();
            Deaf.Click += (s, e) => app.ToggleDeaf();
            Hang.Click += (s, e) => app.LeaveVoice();
            Controls.AddRange(new Control[] { Mic, Deaf, Hang });
            new ToolTip().SetToolTip(this, "Otvori voice sobu");
        }

        protected override void OnResize(EventArgs e)
        {
            base.OnResize(e);
            int s = Theme.D(40), y = (Height - s) / 2, x = Width - Theme.D(14) - s;
            Hang.SetBounds(x, y, s, s); x -= s + Theme.D(8);
            Deaf.SetBounds(x, y, s, s); x -= s + Theme.D(8);
            Mic.SetBounds(x, y, s, s);
            Theme.RoundRegion(this, Height / 2);
        }

        protected override void OnMouseClick(MouseEventArgs e) { if (Open != null) Open(); base.OnMouseClick(e); }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var r = new RectangleF(0.5f, 0.5f, Width - 1.5f, Height - 1.5f);
            using (var p = Theme.Round(r, Height / 2f))
            {
                using (var b = new SolidBrush(Theme.UserBar)) g.FillPath(b, p);
                using (var pen = new Pen(Color.FromArgb(150, Theme.On), Theme.D(1.5f))) g.DrawPath(pen, p);
            }
            // zvucni valovi koji se dizu dok pricas
            int bx = Theme.D(22), cy = Height / 2;
            using (var b = new SolidBrush(Theme.On))
                for (int i = 0; i < 4; i++)
                {
                    int h = Talking ? Theme.D(8 + (i % 2 == 0 ? 10 : 4) + i * 2) : Theme.D(6 + i * 3);
                    using (var p = Theme.Round(new Rectangle(bx + i * Theme.D(6), cy - h / 2, Theme.D(3), h), Theme.D(1.5f))) g.FillPath(b, p);
                }
            int x = bx + Theme.D(36), w = Mic.Left - x - Theme.D(10);
            using (var f = Theme.Display(14))
                Txt.Draw(g, Talking ? "Pričaš..." : "Glas spojen", f, new Rectangle(x, Theme.D(10), w, Theme.D(20)), Theme.On);
            using (var f = Theme.Body(12.5f))
                Txt.Draw(g, (Room ?? "") + (Members > 0 ? "  ·  " + (Members + 1) + " u sobi" : "  ·  samo ti"), f, new Rectangle(x, Theme.D(31), w, Theme.D(18)), Theme.Text2);
        }
    }

    class NeoForm : ShellForm
    {
        readonly UpdateBar updateBar = new UpdateBar { Visible = false };
        readonly TopNav nav = new TopNav();
        readonly ProfileChip chip = new ProfileChip();
        readonly SocialPanel social;
        readonly DashHome home;
        readonly MessagesPage messages;
        readonly FriendsPage friendsPg;
        readonly VoiceHub voiceHub;
        readonly HeaderPage serversPg, settingsPg, notifsPg, lfgPg;
        readonly NotifList notifList;
        readonly LfgList lfgList;
        readonly ClansPage clans;
        readonly SettingsView settings;
        readonly VoiceDock dock;
        readonly Control[] pages;
        readonly Timer tick = new Timer { Interval = 250 };
        int page, ticks;
        bool socialOn;

        public override UserPanel User { get { return chip; } }
        public override VoiceView Voice { get { return voiceHub.Rooms; } }

        public NeoForm(TrayApp app) : base(app)
        {
            Text = "Fragline";
            FormBorderStyle = FormBorderStyle.Sizable;
            MaximizeBox = true;
            BackColor = Theme.Canvas;
            MinimumSize = new Size(Theme.D(1000), Theme.D(620));
            var wa = Screen.PrimaryScreen.WorkingArea;
            ClientSize = new Size(Math.Min(wa.Width - Theme.D(40), Prefs.Int("neo_w", Theme.D(1320))), Math.Min(wa.Height - Theme.D(60), Prefs.Int("neo_h", Theme.D(800))));

            socialOn = Prefs.Bool("neo_social", true);
            social = new SocialPanel(app) { Visible = socialOn };
            nav.SocialOn = socialOn;
            home = new DashHome(app);
            home.Navigate += k =>
            {
                if (k == "settings") { ShowSettings(); return; }
                int ti = Array.IndexOf(TopNav.Keys, k);
                if (ti >= 0) ShowTab(ti);
            };
            messages = new MessagesPage(app) { Visible = false };
            friendsPg = new FriendsPage(app) { Visible = false };
            voiceHub = new VoiceHub(app) { Visible = false };
            serversPg = new HeaderPage(new PageHeader { Glyph = Theme.IcoGame, Title = "Serveri", Sub = "Game serveri, ping i igrači" }, new ServersView(app)) { Visible = false };
            clans = new ClansPage(app) { Visible = false };
            settings = new SettingsView(app);
            settingsPg = new HeaderPage(new PageHeader { Glyph = Theme.IcoGear, Title = "Postavke" }, settings) { Visible = false };
            notifList = new NotifList();
            notifsPg = new HeaderPage(new PageHeader { Glyph = "", Title = "Obavijesti", Sub = "Komentari, lajkovi i spomeni" }, notifList) { Visible = false };
            lfgList = new LfgList(app);
            lfgPg = new HeaderPage(new PageHeader { Glyph = "", Title = "LFG", Sub = "Traženje ekipe za igru" }, lfgList) { Visible = false };
            dock = new VoiceDock(app) { Visible = false };
            pages = new Control[] { home, messages, friendsPg, voiceHub, serversPg, clans, lfgPg, settingsPg, notifsPg };

            Controls.AddRange(new Control[] { updateBar, nav, chip, social });
            Controls.AddRange(pages);
            Controls.Add(dock);
            dock.BringToFront();
            chip.BringToFront();

            nav.TabClicked += i => ShowTab(i);
            if (Theme.Dash)
            {
                // u "Ploci" profil je lijevo u gornjoj traci, pa kartica profila desno nije potrebna
                chip.Visible = false;
                nav.Profile = chip;
                nav.ProfileClicked += pt => StatusMenu(nav, pt);
            }
            nav.SocialClicked += () =>
            {
                socialOn = !socialOn;
                social.Visible = socialOn;
                nav.SocialOn = socialOn;
                Prefs.Set("neo_social", socialOn);
                nav.Invalidate();
                DoLayout();
            };
            nav.SettingsClicked += () => ShowSettings();
            nav.NotifsClicked += () => ShowNotifs();
            chip.ProfileClicked += pt => StatusMenu(chip, pt);
            dock.Open += () => ShowVoice();
            updateBar.UpdateClicked += () => app.DoUpdate();
            updateBar.Closed += () => { updateBar.Visible = false; DoLayout(); };
            tick.Tick += (s, e) => Tick();
            tick.Start();
            DoLayout();
        }

        protected override void OnResize(EventArgs e) { base.OnResize(e); DoLayout(); }

        void DoLayout()
        {
            if (pages == null || dock == null) return;
            int W = ClientSize.Width, H = ClientSize.Height, g = Theme.D(10), rad = Theme.D(16);
            if (W <= 0 || H <= 0) return;
            int top = updateBar.Visible ? Theme.D(36) : 0;
            updateBar.SetBounds(0, 0, W, top);
            int nh = Theme.D(64), cw = Theme.D(210);
            nav.RightReserve = Theme.Dash ? Theme.D(8) : cw + Theme.D(16);
            nav.SetBounds(0, top, W, nh);
            chip.SetBounds(W - cw - Theme.D(16), top + (nh - Theme.D(44)) / 2, cw, Theme.D(44));
            int y = top + nh + g, bh = Math.Max(10, H - y - g);
            int sw = socialOn ? Theme.D(310) : 0;
            if (socialOn)
            {
                social.SetBounds(W - sw - g, y, sw, bh);
                Theme.RoundRegion(social, rad);
            }
            var cr = new Rectangle(g, y, Math.Max(10, W - g * 2 - (sw > 0 ? sw + g : 0)), bh);
            foreach (var p in pages) { p.Bounds = cr; Theme.RoundRegion(p, rad); }
            int dw = Math.Min(Theme.D(480), cr.Width - Theme.D(40)), dh = Theme.D(62);
            dock.SetBounds(cr.X + (cr.Width - dw) / 2, cr.Bottom - dh - Theme.D(16), dw, dh);
            nav.Invalidate();
        }

        void ShowTab(int i)
        {
            page = i;
            for (int k = 0; k < pages.Length; k++) pages[k].Visible = k == i;
            nav.Selected = i < TopNav.Keys.Length ? i : -1;
            nav.Invalidate();
            UpdateDock();
        }

        void UpdateDock()
        {
            var vc = App.Voice;
            bool show = vc != null && page != 3;
            if (dock.Visible != show) { dock.Visible = show; if (show) dock.BringToFront(); }
        }

        void Tick()
        {
            ticks++;
            var vc = App.Voice;
            bool on = vc != null;
            UpdateDock();
            if (nav.VoiceOn != on) { nav.VoiceOn = on; nav.Invalidate(); }
            if (on)
            {
                int n = vc.LiveMembers().Count;
                if (dock.Room != vc.Label || dock.Talking != vc.Talking || dock.Members != n || dock.Mic.Off != vc.Muted || dock.Deaf.Off != vc.Deafened)
                {
                    dock.Room = vc.Label; dock.Talking = vc.Talking; dock.Members = n;
                    dock.Mic.Off = vc.Muted; dock.Deaf.Off = vc.Deafened;
                    dock.Invalidate(); dock.Mic.Invalidate(); dock.Deaf.Invalidate();
                }
            }
            bool muted = on ? vc.Muted : Prefs.Bool("muted", false), deaf = on && vc.Deafened, idle = App.AutoIdle;
            if (chip.Muted != muted || chip.Deaf != deaf || chip.Idle != idle) { chip.Muted = muted; chip.Deaf = deaf; chip.Idle = idle; chip.Invalidate(); }
            if (ticks % 20 == 0 && Visible) { social.List.Refresh2(); friendsPg.Refresh2(); home.Invalidate(); }
            if (Theme.Dash && ticks % 4 == 0) nav.Invalidate();
        }

        public override void SetFriends(List<Friend> list, int requests)
        {
            social.SetData(list);
            messages.List.SetData(list, requests);
            friendsPg.SetData(list, requests);
            home.SetFriends(list);
            nav.OnlineCount = list.Count(f => f.Kind != "off");
            foreach (var f in list) messages.Chat.UpdateFriend(f);
            int unread = list.Sum(f => f.Unread);
            if (nav.Badges[1] != unread || nav.Badges[2] != requests) { nav.Badges[1] = unread; nav.Badges[2] = requests; nav.Invalidate(); }
        }

        public override void SetRequests(List<FriendReq> r) { social.List.SetRequests(r); friendsPg.SetRequests(r); }
        public override void SetClans(List<ClanItem> c) { clans.Cards.SetData(c); home.SetClans(c.Count); }
        public override void SetShot(string game, string url) { settings.SetShot(game, url); }

        public override void ShowUpdate(string text)
        {
            updateBar.Message = text;
            updateBar.Busy = false;
            updateBar.Visible = true;
            updateBar.Invalidate();
            DoLayout();
        }

        public override void SetUpdateText(string text, bool busy)
        {
            updateBar.Message = text;
            updateBar.Busy = busy;
            if (!updateBar.Visible) { updateBar.Visible = true; DoLayout(); }
            updateBar.Invalidate();
        }

        public override void OpenChat(Friend f)
        {
            ShowTab(1);
            messages.Chat.Open(f);
            messages.ShowChat(true);
            messages.List.Select("dm:" + f.Username);
            messages.Chat.FocusInput();
        }

        public override bool ChatActive(string u)
        {
            return Visible && WindowState != FormWindowState.Minimized && ContainsFocus && page == 1 && messages.Chat.FriendName == u;
        }

        public override void CloseChat(string user)
        {
            if (user != null && messages.Chat.FriendName != user) return;
            messages.Chat.Reset();
            messages.ShowChat(false);
        }

        public override void ShowVoice() { ShowTab(3); }
        public override void ShowAddFriend() { ShowTab(2); friendsPg.ShowAdd(); }
        public override void ShowSettings() { ShowTab(7); }
        public override void ShowServers() { ShowTab(4); }

        public override void ShowNotifs() { ShowTab(8); App.MarkNotifsSeen(); }
        public override void ShowLfg() { ShowTab(6); }

        public override void SetNotifs(int unread, List<NotifItem> items)
        {
            notifList.SetData(items);
            if (nav.NotifUnread != unread) { nav.NotifUnread = unread; nav.Invalidate(); }
        }

        public override void SetLfg(List<LfgItem> items) { lfgList.SetData(items); home.SetLfg(items); }

        protected override void OnFormClosing(FormClosingEventArgs e)
        {
            if (WindowState == FormWindowState.Normal)
            {
                Prefs.Set("neo_w", ClientSize.Width);
                Prefs.Set("neo_h", ClientSize.Height);
            }
            if (!AllowClose && e.CloseReason == CloseReason.UserClosing)
            {
                e.Cancel = true;
                Hide();
                App.HiddenHint();
            }
            base.OnFormClosing(e);
        }
    }
}

// ===================== Orbit.cs =====================
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Windows.Forms;

namespace Fragline
{
    // Vektorske ikone (ne ovise o fontu sa simbolima, pa izgledaju isto na svakom Windowsu)
    static class Vec
    {
        public static void Draw(Graphics g, string key, RectangleF r, Color c, float stroke)
        {
            var st = g.Save();
            g.SmoothingMode = SmoothingMode.AntiAlias;
            float s = Math.Min(r.Width, r.Height), x = r.X + (r.Width - s) / 2, y = r.Y + (r.Height - s) / 2;
            Func<float, float, PointF> P = (a, b) => new PointF(x + a * s, y + b * s);
            using (var pen = new Pen(c, stroke) { StartCap = LineCap.Round, EndCap = LineCap.Round, LineJoin = LineJoin.Round })
            using (var br = new SolidBrush(c))
            {
                switch (key)
                {
                    case "home":
                        g.DrawLines(pen, new[] { P(.12f, .5f), P(.5f, .16f), P(.88f, .5f) });
                        g.DrawLines(pen, new[] { P(.24f, .4f), P(.24f, .86f), P(.76f, .86f), P(.76f, .4f) });
                        g.DrawLines(pen, new[] { P(.42f, .86f), P(.42f, .64f), P(.58f, .64f), P(.58f, .86f) });
                        break;
                    case "chat":
                        using (var p = Theme.Round(new RectangleF(x + .12f * s, y + .18f * s, .76f * s, .54f * s), .16f * s)) g.DrawPath(pen, p);
                        g.DrawLines(pen, new[] { P(.32f, .72f), P(.28f, .88f), P(.48f, .72f) });
                        for (int i = 0; i < 3; i++) g.FillEllipse(br, x + (.34f + i * .16f) * s - stroke * .6f, y + .45f * s - stroke * .6f, stroke * 1.2f, stroke * 1.2f);
                        break;
                    case "people":
                        // dvije osobe: glava i ramena, druga manja iza
                        g.DrawEllipse(pen, x + .62f * s, y + .2f * s, .2f * s, .2f * s);
                        g.DrawArc(pen, x + .56f * s, y + .5f * s, .36f * s, .36f * s, 200, 140);
                        g.DrawEllipse(pen, x + .2f * s, y + .16f * s, .28f * s, .28f * s);
                        g.DrawArc(pen, x + .08f * s, y + .52f * s, .52f * s, .5f * s, 180, 180);
                        break;
                    case "mic":
                        using (var p = Theme.Round(new RectangleF(x + .36f * s, y + .1f * s, .28f * s, .48f * s), .14f * s)) g.DrawPath(pen, p);
                        g.DrawArc(pen, x + .22f * s, y + .26f * s, .56f * s, .48f * s, 0, 180);
                        g.DrawLine(pen, P(.5f, .74f), P(.5f, .9f));
                        g.DrawLine(pen, P(.36f, .9f), P(.64f, .9f));
                        break;
                    case "server":
                        for (int i = 0; i < 3; i++)
                        {
                            var rr = new RectangleF(x + .14f * s, y + (.12f + i * .26f) * s, .72f * s, .2f * s);
                            using (var p = Theme.Round(rr, .06f * s)) g.DrawPath(pen, p);
                            g.FillEllipse(br, x + .26f * s - stroke * .7f, rr.Y + rr.Height / 2 - stroke * .7f, stroke * 1.4f, stroke * 1.4f);
                        }
                        break;
                    case "shield":
                        using (var p = new GraphicsPath())
                        {
                            p.AddLines(new[] { P(.5f, .1f), P(.84f, .22f), P(.82f, .5f) });
                            p.AddBezier(P(.82f, .5f), P(.8f, .72f), P(.64f, .84f), P(.5f, .92f));
                            p.AddBezier(P(.5f, .92f), P(.36f, .84f), P(.2f, .72f), P(.18f, .5f));
                            p.AddLines(new[] { P(.18f, .5f), P(.16f, .22f) });
                            p.CloseFigure();
                            g.DrawPath(pen, p);
                        }
                        g.DrawLines(pen, new[] { P(.36f, .5f), P(.47f, .61f), P(.66f, .4f) });
                        break;
                    case "target":
                        g.DrawEllipse(pen, x + .14f * s, y + .14f * s, .72f * s, .72f * s);
                        g.DrawEllipse(pen, x + .34f * s, y + .34f * s, .32f * s, .32f * s);
                        g.DrawLine(pen, P(.5f, .04f), P(.5f, .22f)); g.DrawLine(pen, P(.5f, .78f), P(.5f, .96f));
                        g.DrawLine(pen, P(.04f, .5f), P(.22f, .5f)); g.DrawLine(pen, P(.78f, .5f), P(.96f, .5f));
                        break;
                    case "bell":
                        using (var p = new GraphicsPath())
                        {
                            p.AddBezier(P(.22f, .7f), P(.3f, .6f), P(.26f, .5f), P(.28f, .4f));
                            p.AddBezier(P(.28f, .4f), P(.32f, .16f), P(.68f, .16f), P(.72f, .4f));
                            p.AddBezier(P(.72f, .4f), P(.74f, .5f), P(.7f, .6f), P(.78f, .7f));
                            p.CloseFigure();
                            g.DrawPath(pen, p);
                        }
                        g.DrawArc(pen, x + .42f * s, y + .72f * s, .16f * s, .14f * s, 0, 180);
                        break;
                    case "gear":
                        float cx = x + .5f * s, cy = y + .5f * s;
                        for (int i = 0; i < 8; i++)
                        {
                            double a = i * Math.PI / 4;
                            g.DrawLine(pen, cx + (float)Math.Cos(a) * .3f * s, cy + (float)Math.Sin(a) * .3f * s, cx + (float)Math.Cos(a) * .42f * s, cy + (float)Math.Sin(a) * .42f * s);
                        }
                        g.DrawEllipse(pen, cx - .28f * s, cy - .28f * s, .56f * s, .56f * s);
                        g.DrawEllipse(pen, cx - .11f * s, cy - .11f * s, .22f * s, .22f * s);
                        break;
                    case "phone":
                        using (var p = new GraphicsPath())
                        {
                            p.AddBezier(P(.24f, .14f), P(.12f, .2f), P(.1f, .36f), P(.22f, .54f));
                            p.AddBezier(P(.22f, .54f), P(.34f, .72f), P(.5f, .86f), P(.66f, .9f));
                            p.AddBezier(P(.66f, .9f), P(.8f, .92f), P(.88f, .82f), P(.86f, .74f));
                            p.AddLines(new[] { P(.86f, .74f), P(.7f, .62f), P(.6f, .7f) });
                            p.AddBezier(P(.6f, .7f), P(.48f, .64f), P(.38f, .52f), P(.32f, .42f));
                            p.AddLines(new[] { P(.32f, .42f), P(.4f, .32f), P(.3f, .14f) });
                            p.CloseFigure();
                            g.DrawPath(pen, p);
                        }
                        break;
                    case "hangup":
                        using (var p = new GraphicsPath())
                        {
                            p.AddBezier(P(.08f, .56f), P(.3f, .3f), P(.7f, .3f), P(.92f, .56f));
                            p.AddLines(new[] { P(.92f, .56f), P(.84f, .7f), P(.68f, .62f), P(.66f, .5f) });
                            p.AddBezier(P(.66f, .5f), P(.56f, .46f), P(.44f, .46f), P(.34f, .5f));
                            p.AddLines(new[] { P(.34f, .5f), P(.32f, .62f), P(.16f, .7f) });
                            p.CloseFigure();
                            g.FillPath(br, p);
                        }
                        break;
                    case "user":
                        g.DrawEllipse(pen, x + .32f * s, y + .12f * s, .36f * s, .36f * s);
                        g.DrawArc(pen, x + .14f * s, y + .58f * s, .72f * s, .6f * s, 180, 180);
                        break;
                    case "send":
                        using (var p = new GraphicsPath())
                        {
                            p.AddLines(new[] { P(.14f, .2f), P(.88f, .5f), P(.14f, .8f), P(.26f, .5f) });
                            p.CloseFigure();
                            g.FillPath(br, p);
                        }
                        break;
                    case "trash":
                        g.DrawLine(pen, P(.18f, .26f), P(.82f, .26f));
                        g.DrawLines(pen, new[] { P(.38f, .26f), P(.4f, .14f), P(.6f, .14f), P(.62f, .26f) });
                        g.DrawLines(pen, new[] { P(.26f, .26f), P(.3f, .86f), P(.7f, .86f), P(.74f, .26f) });
                        g.DrawLine(pen, P(.43f, .4f), P(.44f, .72f)); g.DrawLine(pen, P(.57f, .4f), P(.56f, .72f));
                        break;
                    case "headset":
                        g.DrawArc(pen, x + .14f * s, y + .14f * s, .72f * s, .72f * s, 180, 180);
                        using (var p = Theme.Round(new RectangleF(x + .12f * s, y + .5f * s, .16f * s, .3f * s), .06f * s)) g.FillPath(br, p);
                        using (var p = Theme.Round(new RectangleF(x + .72f * s, y + .5f * s, .16f * s, .3f * s), .06f * s)) g.FillPath(br, p);
                        g.DrawLine(pen, P(.14f, .5f), P(.14f, .62f)); g.DrawLine(pen, P(.86f, .5f), P(.86f, .62f));
                        break;
                    case "slash":
                        g.DrawLine(pen, P(.14f, .14f), P(.86f, .86f));
                        break;
                    case "plus":
                        g.DrawLine(pen, P(.5f, .22f), P(.5f, .78f)); g.DrawLine(pen, P(.22f, .5f), P(.78f, .5f));
                        break;
                }
            }
            g.Restore(st);
        }
    }

    // Plutajuci dock na dnu: ikone u mjehuricima koji narastu pod misem, odabrana je u prijelazu boje
    class DockBar : Control
    {
        public static readonly string[] Keys = { "home", "messages", "friends", "voice", "servers", "clans", "lfg", "|", "notifs", "settings" };
        static readonly string[] Icons = { "home", "chat", "people", "mic", "server", "shield", "target", "", "bell", "gear" };
        static readonly string[] Names = { "Početna", "Poruke", "Prijatelji", "Voice", "Serveri", "Klanovi", "Traže ekipu", "", "Obavijesti", "Postavke" };
        public readonly int[] Badges = new int[Keys.Length];
        public string Selected = "home";
        public bool VoiceOn;
        public event Action<string> Picked;
        readonly float[] grow = new float[Keys.Length];
        readonly Timer anim = new Timer { Interval = 15 };
        readonly ToolTip tt = new ToolTip();
        int hot = -1, tipFor = -2;

        public int Cell { get { return Theme.D(56); } }
        public int Sep { get { return Theme.D(18); } }
        public int PreferredWidth { get { return (Keys.Length - 1) * Cell + Sep + Theme.D(20); } }

        public DockBar()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            Cursor = Cursors.Hand;
            anim.Tick += (s, e) =>
            {
                bool moving = false;
                for (int i = 0; i < grow.Length; i++)
                {
                    float t = i == hot ? 1f : 0f;
                    if (Math.Abs(grow[i] - t) > 0.01f) { grow[i] += (t - grow[i]) * 0.3f; moving = true; } else grow[i] = t;
                }
                Invalidate();
                if (!moving) anim.Stop();
            };
            Disposed += (s, e) => anim.Dispose();
        }

        Rectangle CellRect(int i)
        {
            int x = Theme.D(10);
            for (int k = 0; k < i; k++) x += Keys[k] == "|" ? Sep : Cell;
            return new Rectangle(x, 0, Keys[i] == "|" ? Sep : Cell, Height);
        }

        int Hit(Point p) { for (int i = 0; i < Keys.Length; i++) if (Keys[i] != "|" && CellRect(i).Contains(p)) return i; return -1; }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h != hot) { hot = h; anim.Start(); }
            if (h != tipFor) { tipFor = h; tt.SetToolTip(this, h >= 0 ? Names[h] : null); }
            base.OnMouseMove(e);
        }

        protected override void OnMouseLeave(EventArgs e) { hot = -1; anim.Start(); base.OnMouseLeave(e); }

        protected override void OnMouseClick(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h >= 0 && Picked != null) Picked(Keys[h]);
            base.OnMouseClick(e);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var bg = Fx.Mix(Theme.Panel, Color.White, Theme.Light ? 0 : 0.03f);
            g.Clear(bg);
            var all = new RectangleF(0, 0, Width - 1, Height - 1);
            using (var p = Theme.Round(all, Height / 2f))
            {
                Fx.Gloss(g, p, all, 18);
                using (var br = new LinearGradientBrush(new RectangleF(-1, -1, Width + 2, Height + 2), Color.FromArgb(110, Theme.Accent), Color.FromArgb(110, Theme.Accent2), 0f))
                using (var pen = new Pen(br, 1.2f)) g.DrawPath(pen, p);
            }
            for (int i = 0; i < Keys.Length; i++)
            {
                var c = CellRect(i);
                if (Keys[i] == "|")
                {
                    using (var pen = new Pen(Fx.Mix(bg, Theme.Text, 0.15f))) g.DrawLine(pen, c.X + c.Width / 2, Height * 0.28f, c.X + c.Width / 2, Height * 0.72f);
                    continue;
                }
                bool sel = Keys[i] == Selected;
                float d = Theme.D(42) + Theme.D(8) * grow[i];
                var b = new RectangleF(c.X + (c.Width - d) / 2f, (Height - d) / 2f - Theme.D(3) * grow[i], d, d);
                if (sel)
                {
                    using (var sh = new SolidBrush(Color.FromArgb(70, Theme.Accent2))) g.FillEllipse(sh, b.X + 1, b.Y + Theme.D(3), b.Width - 2, b.Height - 2);
                    using (var br = new LinearGradientBrush(new RectangleF(b.X - 1, b.Y - 1, b.Width + 2, b.Height + 2), Theme.Accent, Theme.Accent2, 45f)) g.FillEllipse(br, b);
                    using (var p = new GraphicsPath()) { p.AddEllipse(b); Fx.Gloss(g, p, b, 40); }
                }
                else if (grow[i] > 0.01f)
                    using (var br = new SolidBrush(Color.FromArgb((int)(255 * grow[i]), Fx.Mix(bg, Theme.Light ? Color.Black : Color.White, 0.09f)))) g.FillEllipse(br, b);
                var ic = sel ? Color.White : Fx.Mix(Theme.Muted, Theme.Text, grow[i]);
                if (Keys[i] == "voice" && VoiceOn && !sel) ic = Theme.On;
                float isz = d * 0.54f;
                Vec.Draw(g, Icons[i], new RectangleF(b.X + (d - isz) / 2, b.Y + (d - isz) / 2, isz, isz), ic, Math.Max(1.5f, Theme.D(1.8f)));
                if (Keys[i] == "voice" && VoiceOn)
                    using (var pen = new Pen(Theme.On, Theme.D(2))) g.DrawEllipse(pen, b.X - Theme.D(2), b.Y - Theme.D(2), b.Width + Theme.D(4), b.Height + Theme.D(4));
                if (Badges[i] > 0)
                {
                    string t = Badges[i] > 99 ? "99+" : Badges[i].ToString();
                    var pr = new Rectangle((int)(b.Right - Theme.D(14)), (int)b.Y - Theme.D(2), Theme.D(t.Length > 1 ? 24 : 18), Theme.D(18));
                    using (var p = Theme.Round(pr, pr.Height / 2f))
                    {
                        using (var br = new SolidBrush(Theme.Red)) g.FillPath(br, p);
                        using (var pen = new Pen(bg, Theme.D(2))) g.DrawPath(pen, p);
                    }
                    using (var f = Theme.Body(10.5f, FontStyle.Bold)) TextRenderer.DrawText(g, t, f, pr, Color.White, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
                }
                if (sel)
                    using (var br = new SolidBrush(Theme.Accent2)) g.FillEllipse(br, c.X + c.Width / 2f - Theme.D(2), Height - Theme.D(7), Theme.D(4), Theme.D(4));
            }
        }
    }

    // Prijatelji kao mjehurici avatara s prstenom statusa (u igri = prsten u prijelazu boje)
    class FriendOrbit : Control
    {
        readonly TrayApp app;
        List<Friend> friends = new List<Friend>();
        int requests, scroll, hot = -1;
        bool hotAdd, hotReq;
        readonly List<Tuple<Rectangle, Friend>> cells = new List<Tuple<Rectangle, Friend>>();
        Rectangle addR, reqR;
        int contentH;
        readonly ToolTip tt = new ToolTip();
        Friend tipFor;

        public FriendOrbit(TrayApp app)
        {
            this.app = app;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            BackColor = Theme.Panel;
        }

        public void SetData(List<Friend> f, int req) { friends = f ?? new List<Friend>(); requests = req; Invalidate(); }

        int HitCell(Point p) { for (int i = 0; i < cells.Count; i++) if (cells[i].Item1.Contains(p)) return i; return -1; }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            int h = HitCell(e.Location);
            bool a = addR.Contains(e.Location), q = reqR.Contains(e.Location);
            if (h != hot || a != hotAdd || q != hotReq) { hot = h; hotAdd = a; hotReq = q; Cursor = h >= 0 || a || q ? Cursors.Hand : Cursors.Default; Invalidate(); }
            var f = h >= 0 ? cells[h].Item2 : null;
            if (f != tipFor)
            {
                tipFor = f;
                tt.SetToolTip(this, f == null ? null : f.Username + " · " + (f.Status == "play" && !string.IsNullOrEmpty(f.Game) ? "igra " + f.Game : f.Kind == "off" ? "offline" : f.Kind == "dnd" ? "ne smetaj" : f.Kind == "idle" ? "odsutan" : "online"));
            }
            base.OnMouseMove(e);
        }

        protected override void OnMouseLeave(EventArgs e) { hot = -1; hotAdd = hotReq = false; Invalidate(); base.OnMouseLeave(e); }

        protected override void OnMouseWheel(MouseEventArgs e)
        {
            scroll = Math.Max(0, Math.Min(Math.Max(0, contentH - Height), scroll - e.Delta / 2));
            Invalidate();
            base.OnMouseWheel(e);
        }

        protected override void OnMouseUp(MouseEventArgs e)
        {
            if (addR.Contains(e.Location) || reqR.Contains(e.Location)) { app.ShowAddFriend(); return; }
            int h = HitCell(e.Location);
            if (h < 0) { base.OnMouseUp(e); return; }
            var name = cells[h].Item2.Username;
            if (e.Button == MouseButtons.Right)
            {
                var menu = Ui.Menu();
                menu.Items.Add(new ToolStripMenuItem("Pošalji poruku", null, (a, b) => app.OpenChatByName(name)));
                menu.Items.Add(new ToolStripMenuItem("Pozovi", null, (a, b) => app.CallByName(name)));
                menu.Items.Add(new ToolStripMenuItem("Otvori profil", null, (a, b) => app.Open("/profile/" + Uri.EscapeDataString(name))));
                menu.Items.Add(new ToolStripSeparator());
                menu.Items.Add(new ToolStripMenuItem("Ukloni prijatelja", null, (a, b) => app.RemoveFriend(name)) { ForeColor = Theme.Red });
                menu.Show(this, e.Location);
            }
            else if (e.Button == MouseButtons.Left) app.OpenChatByName(name);
            base.OnMouseUp(e);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Theme.Panel);
            cells.Clear();
            int pad = Theme.D(20);
            int online = friends.Count(f => f.Kind != "off");

            // zaglavlje
            using (var f = Theme.Display(17)) TextRenderer.DrawText(g, "Prijatelji", f, new Point(pad, Theme.D(18)), Theme.Text, TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
            using (var f = Theme.Body(12)) TextRenderer.DrawText(g, online + " online od " + friends.Count, f, new Point(pad, Theme.D(44)), Theme.Muted, TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
            addR = new Rectangle(Width - pad - Theme.D(36), Theme.D(18), Theme.D(36), Theme.D(36));
            using (var br = new LinearGradientBrush(addR, hotAdd ? Theme.Shade(Theme.Accent, 0.1f) : Theme.Accent, hotAdd ? Theme.Shade(Theme.Accent2, 0.1f) : Theme.Accent2, 45f)) g.FillEllipse(br, addR);
            Vec.Draw(g, "plus", new RectangleF(addR.X + Theme.D(9), addR.Y + Theme.D(9), Theme.D(18), Theme.D(18)), Color.White, Theme.D(2));
            int y = Theme.D(76);
            reqR = Rectangle.Empty;
            if (requests > 0)
            {
                reqR = new Rectangle(pad, y, Width - pad * 2, Theme.D(34));
                using (var p = Theme.Round(reqR, reqR.Height / 2f)) using (var br = new SolidBrush(Fx.Mix(Theme.Panel, Theme.Accent, hotReq ? 0.3f : 0.18f))) g.FillPath(br, p);
                using (var f = Theme.Body(12.5f, FontStyle.Bold))
                    TextRenderer.DrawText(g, requests == 1 ? "1 novi zahtjev za prijateljstvo" : requests + " nova zahtjeva za prijateljstvo", f, reqR, Theme.Text, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPrefix);
                y += Theme.D(46);
            }
            int top = y;
            var clip = new Rectangle(0, top, Width, Height - top);
            g.SetClip(clip);
            y -= scroll;

            var groups = new[]
            {
                Tuple.Create("U IGRI", friends.Where(f => f.Status == "play").ToList()),
                Tuple.Create("ONLINE", friends.Where(f => f.Kind != "off" && f.Status != "play").ToList()),
                Tuple.Create("OFFLINE", friends.Where(f => f.Kind == "off").ToList()),
            };
            int cw = Theme.D(78), ch = Theme.D(92), cols = Math.Max(1, (Width - pad * 2 + Theme.D(4)) / cw);
            int gapX = cols > 1 ? (Width - pad * 2 - cols * cw) / (cols - 1) : 0;
            foreach (var grp in groups)
            {
                if (grp.Item2.Count == 0) continue;
                using (var f = Theme.Body(11.5f, FontStyle.Bold)) TextRenderer.DrawText(g, grp.Item1 + "  " + grp.Item2.Count, f, new Point(pad, y), Theme.Muted, TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
                y += Theme.D(24);
                for (int i = 0; i < grp.Item2.Count; i++)
                {
                    var fr = grp.Item2[i];
                    var cell = new Rectangle(pad + (i % cols) * (cw + gapX), y + (i / cols) * ch, cw, ch - Theme.D(6));
                    cells.Add(Tuple.Create(cell, fr));
                    bool h = cells.Count - 1 == hot;
                    if (h) using (var p = Theme.Round(cell, Theme.D(14))) using (var br = new SolidBrush(Fx.Mix(Theme.Panel, Theme.Light ? Color.Black : Color.White, 0.06f))) g.FillPath(br, p);
                    float av = Theme.D(50);
                    var ar = new RectangleF(cell.X + (cell.Width - av) / 2f, cell.Y + Theme.D(8), av, av);
                    var ring = ar; ring.Inflate(Theme.D(4), Theme.D(4));
                    bool off = fr.Kind == "off";
                    if (fr.Status == "play")
                        using (var br = new LinearGradientBrush(ring, Theme.Accent, Theme.Accent2, 45f)) using (var pen = new Pen(br, Theme.D(2.5f))) g.DrawEllipse(pen, ring);
                    else if (!off)
                        using (var pen = new Pen(fr.Kind == "dnd" ? Theme.Dnd : fr.Kind == "idle" ? Theme.Idle : Theme.On, Theme.D(2.5f))) g.DrawEllipse(pen, ring);
                    Theme.Avatar(g, ar, fr.Color, fr.Username, fr.Avatar, this, null, Theme.Panel);
                    if (off) using (var br = new SolidBrush(Color.FromArgb(120, Theme.Panel))) g.FillEllipse(br, ar);
                    if (fr.Unread > 0)
                    {
                        var pr = new Rectangle((int)ar.Right - Theme.D(12), (int)ar.Y - Theme.D(4), Theme.D(18), Theme.D(18));
                        using (var br = new SolidBrush(Theme.Red)) g.FillEllipse(br, pr);
                        using (var f = Theme.Body(10, FontStyle.Bold)) TextRenderer.DrawText(g, fr.Unread > 9 ? "9+" : fr.Unread.ToString(), f, pr, Color.White, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
                    }
                    using (var f = Theme.Body(11.5f))
                        TextRenderer.DrawText(g, fr.Username, f, new Rectangle(cell.X, (int)ring.Bottom + Theme.D(4), cell.Width, Theme.D(16)), off ? Theme.Muted : Theme.Text, TextFormatFlags.HorizontalCenter | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
                    if (fr.Status == "play" && !string.IsNullOrEmpty(fr.Game))
                        using (var f = Theme.Body(10))
                            TextRenderer.DrawText(g, fr.Game, f, new Rectangle(cell.X, (int)ring.Bottom + Theme.D(19), cell.Width, Theme.D(14)), Theme.Accent2, TextFormatFlags.HorizontalCenter | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
                }
                y += ((grp.Item2.Count + cols - 1) / cols) * ch + Theme.D(10);
            }
            if (friends.Count == 0)
                using (var f = Theme.Body(12.5f))
                    TextRenderer.DrawText(g, "Još nemaš prijatelja.\nKlikni + i dodaj nekoga.", f, new Rectangle(pad, y + Theme.D(20), Width - pad * 2, Theme.D(50)), Theme.Muted, TextFormatFlags.HorizontalCenter | TextFormatFlags.WordBreak | TextFormatFlags.NoPrefix);
            contentH = y + scroll - top + Theme.D(20) + top;
            g.ResetClip();
        }
    }

    // Raspored "Dock": nema gornje trake ni bocnog popisa. Sadrzaj i prijatelji plutaju kao
    // zaobljeni paneli na zivoj pozadini, a navigacija je plutajuci dock na dnu.
    class OrbitForm : ShellForm
    {
        readonly UpdateBar updateBar = new UpdateBar { Visible = false };
        readonly DockBar dockBar = new DockBar();
        readonly ProfileChip chip = new ProfileChip();
        readonly FriendOrbit orbit;
        readonly DashHome home;
        readonly MessagesPage messages;
        readonly FriendsPage friendsPg;
        readonly VoiceView voiceData;
        readonly VoiceSpace voiceSpace;
        readonly HeaderPage serversPg, settingsPg, notifsPg, lfgPg;
        readonly NotifList notifList;
        readonly LfgList lfgList;
        readonly ClansPage clans;
        readonly SettingsView settings;
        readonly VoiceDock voiceDock;
        readonly Dictionary<string, Control> pages = new Dictionary<string, Control>();
        readonly Timer tick = new Timer { Interval = 250 };
        Bitmap backdrop;
        string page = "home";
        int ticks;

        public override UserPanel User { get { return chip; } }
        public override VoiceView Voice { get { return voiceData; } }

        public OrbitForm(TrayApp app) : base(app)
        {
            Text = "Fragline";
            FormBorderStyle = FormBorderStyle.Sizable;
            MaximizeBox = true;
            DoubleBuffered = true;
            BackColor = Theme.Canvas;
            MinimumSize = new Size(Theme.D(1000), Theme.D(640));
            var wa = Screen.PrimaryScreen.WorkingArea;
            ClientSize = new Size(Math.Min(wa.Width - Theme.D(40), Prefs.Int("neo_w", Theme.D(1320))), Math.Min(wa.Height - Theme.D(60), Prefs.Int("neo_h", Theme.D(820))));

            orbit = new FriendOrbit(app);
            home = new DashHome(app);
            home.Navigate += k => Show2(k);
            messages = new MessagesPage(app);
            friendsPg = new FriendsPage(app);
            // popis soba (VoiceView) prima podatke od aplikacije, a prikazuje ih novi VoiceSpace
            voiceData = new VoiceView(app);
            voiceSpace = new VoiceSpace(app, voiceData);
            serversPg = new HeaderPage(new PageHeader { Glyph = Theme.IcoGame, Title = "Serveri", Sub = "Game serveri, ping i igrači" }, new ServersView(app));
            clans = new ClansPage(app);
            settings = new SettingsView(app);
            settingsPg = new HeaderPage(new PageHeader { Glyph = Theme.IcoGear, Title = "Postavke" }, settings);
            notifList = new NotifList();
            notifsPg = new HeaderPage(new PageHeader { Glyph = "", Title = "Obavijesti", Sub = "Komentari, lajkovi i spomeni" }, notifList);
            lfgList = new LfgList(app);
            lfgPg = new HeaderPage(new PageHeader { Glyph = "", Title = "Traže ekipu", Sub = "Oglasi se vide i na webu" }, lfgList);
            voiceDock = new VoiceDock(app) { Visible = false };
            pages["home"] = home; pages["messages"] = messages; pages["friends"] = friendsPg; pages["voice"] = voiceSpace;
            pages["servers"] = serversPg; pages["clans"] = clans; pages["lfg"] = lfgPg; pages["settings"] = settingsPg; pages["notifs"] = notifsPg;
            foreach (var p in pages.Values) p.Visible = p == home;

            Controls.AddRange(new Control[] { updateBar, chip, orbit, dockBar, voiceDock });
            Controls.AddRange(pages.Values.ToArray());
            dockBar.BringToFront();
            voiceDock.BringToFront();

            dockBar.Picked += k => Show2(k);
            chip.ProfileClicked += pt => StatusMenu(chip, pt);
            voiceDock.Open += () => ShowVoice();
            updateBar.UpdateClicked += () => app.DoUpdate();
            updateBar.Closed += () => { updateBar.Visible = false; DoLayout(); };
            tick.Tick += (s, e) => Tick();
            tick.Start();
            DoLayout();
        }

        // ziva pozadina: tamni prijelaz i dva meka obojana sjaja, nacrtana jednom po velicini prozora
        void BuildBackdrop()
        {
            int W = ClientSize.Width, H = ClientSize.Height;
            if (W <= 0 || H <= 0) return;
            var old = backdrop;
            backdrop = new Bitmap(W, H);
            using (var g = Graphics.FromImage(backdrop))
            {
                g.SmoothingMode = SmoothingMode.AntiAlias;
                using (var b = new LinearGradientBrush(new Rectangle(0, 0, W, H), Theme.Shade(Theme.Bg, -0.25f), Theme.Shade(Theme.Bg, -0.5f), 70f)) g.FillRectangle(b, 0, 0, W, H);
                Glow(g, new PointF(W * 0.18f, H * 0.12f), Math.Max(W, H) * 0.55f, Theme.Accent, 70);
                Glow(g, new PointF(W * 0.92f, H * 0.95f), Math.Max(W, H) * 0.5f, Theme.Accent2, 60);
                Glow(g, new PointF(W * 0.62f, H * 0.4f), Math.Max(W, H) * 0.3f, Theme.Accent, 20);
            }
            if (old != null) old.Dispose();
        }

        static void Backing(Graphics g, Control c, int rad, Color col)
        {
            if (!c.Visible || c.Width <= 0) return;
            var r = new RectangleF(c.Left - 0.5f, c.Top - 0.5f, c.Width + 1f, c.Height + 1f);
            using (var p = Theme.Round(r, rad + 0.5f)) using (var b = new SolidBrush(col)) g.FillPath(b, p);
        }

        static void Glow(Graphics g, PointF c, float r, Color col, int alpha)
        {
            using (var p = new GraphicsPath())
            {
                p.AddEllipse(c.X - r, c.Y - r, r * 2, r * 2);
                using (var b = new PathGradientBrush(p) { CenterColor = Color.FromArgb(alpha, col), SurroundColors = new[] { Color.FromArgb(0, col) } })
                    g.FillPath(b, p);
            }
        }

        protected override void OnPaintBackground(PaintEventArgs e)
        {
            if (backdrop == null || backdrop.Width != ClientSize.Width || backdrop.Height != ClientSize.Height) BuildBackdrop();
            if (backdrop != null) e.Graphics.DrawImageUnscaled(backdrop, 0, 0);
            else base.OnPaintBackground(e);
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            // glatki rubovi: Region panela je uvijek "stepenast", pa ispod svakog panela nacrtaj
            // zagladjeni zaobljeni oblik iste boje; djelomicno pokriveni rubni pikseli se tako stope s pozadinom
            int rad = Theme.D(24);
            Backing(g, chip, Theme.D(22), Theme.Panel);
            Backing(g, dockBar, dockBar.Height / 2, Fx.Mix(Theme.Panel, Color.White, Theme.Light ? 0 : 0.03f));
            if (orbit.Visible) Backing(g, orbit, rad, Theme.Panel);
            Control cur;
            if (pages.TryGetValue(page, out cur)) Backing(g, cur, rad, page == "messages" ? Theme.Panel : cur.BackColor);
            // znak i natpis gore lijevo, izravno na pozadini
            int top = updateBar.Visible ? Theme.D(36) : 0;
            Theme.DrawFlame(g, new RectangleF(Theme.D(26), top + Theme.D(18), Theme.D(22), Theme.D(25)));
            Theme.Wordmark(g, Theme.D(56), top + Theme.D(31), 20, Theme.Text);
            string t = PageTitle();
            using (var f = Theme.Body(12.5f, FontStyle.Bold))
            {
                int x = Theme.D(56) + Theme.D(118);
                using (var b = new SolidBrush(Fx.Mix(Theme.Bg, Theme.Text, 0.25f))) g.FillEllipse(b, x - Theme.D(14), top + Theme.D(29), Theme.D(4), Theme.D(4));
                TextRenderer.DrawText(g, t.ToUpperInvariant(), f, new Point(x, top + Theme.D(23)), Theme.Muted, TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
            }
        }

        string PageTitle()
        {
            int i = Array.IndexOf(DockBar.Keys, page);
            string[] n = { "Početna", "Poruke", "Prijatelji", "Voice", "Serveri", "Klanovi", "Traže ekipu", "", "Obavijesti", "Postavke" };
            return i >= 0 ? n[i] : "";
        }

        protected override void OnResize(EventArgs e) { base.OnResize(e); DoLayout(); Invalidate(); }

        void DoLayout()
        {
            if (pages.Count == 0 || voiceDock == null) return;
            int W = ClientSize.Width, H = ClientSize.Height, g = Theme.D(18), rad = Theme.D(24);
            if (W <= 0 || H <= 0) return;
            int top = updateBar.Visible ? Theme.D(36) : 0;
            updateBar.SetBounds(0, 0, W, top);
            int cw = Theme.D(210);
            chip.SetBounds(W - cw - g, top + Theme.D(12), cw, Theme.D(44));
            Theme.RoundRegion(chip, Theme.D(22));
            int y = top + Theme.D(68);
            int dh = Theme.D(70), dw = Math.Min(dockBar.PreferredWidth, W - g * 2);
            int dy = H - dh - Theme.D(16);
            dockBar.SetBounds((W - dw) / 2, dy, dw, dh);
            Theme.RoundRegion(dockBar, dh / 2);
            int bottom = dy - Theme.D(16);
            bool showOrbit = W >= Theme.D(1150);
            int ow = showOrbit ? Theme.D(300) : 0;
            orbit.Visible = showOrbit;
            if (showOrbit)
            {
                orbit.SetBounds(W - ow - g, y, ow, bottom - y);
                Theme.RoundRegion(orbit, rad);
            }
            var cr = new Rectangle(g, y, Math.Max(10, W - g * 2 - (showOrbit ? ow + g : 0)), Math.Max(10, bottom - y));
            foreach (var p in pages.Values) { p.Bounds = cr; Theme.RoundRegion(p, rad); }
            int vw = Math.Min(Theme.D(420), cr.Width - Theme.D(40)), vh = Theme.D(62);
            voiceDock.SetBounds(cr.X + (cr.Width - vw) / 2, cr.Bottom - vh - Theme.D(16), vw, vh);
            Invalidate();
        }

        void Show2(string k)
        {
            if (k == "notifs") { ShowNotifs(); return; }
            if (!pages.ContainsKey(k)) return;
            page = k;
            foreach (var kv in pages) kv.Value.Visible = kv.Key == k;
            dockBar.Selected = k;
            dockBar.Invalidate();
            UpdateVoiceDock();
            Invalidate();
        }

        void UpdateVoiceDock()
        {
            var vc = App.Voice;
            bool show = vc != null && page != "voice";
            if (voiceDock.Visible != show) { voiceDock.Visible = show; if (show) voiceDock.BringToFront(); }
        }

        void Tick()
        {
            ticks++;
            var vc = App.Voice;
            bool on = vc != null;
            UpdateVoiceDock();
            if (dockBar.VoiceOn != on) { dockBar.VoiceOn = on; dockBar.Invalidate(); }
            if (on)
            {
                int n = vc.LiveMembers().Count;
                if (voiceDock.Room != vc.Label || voiceDock.Talking != vc.Talking || voiceDock.Members != n || voiceDock.Mic.Off != vc.Muted || voiceDock.Deaf.Off != vc.Deafened)
                {
                    voiceDock.Room = vc.Label; voiceDock.Talking = vc.Talking; voiceDock.Members = n;
                    voiceDock.Mic.Off = vc.Muted; voiceDock.Deaf.Off = vc.Deafened;
                    voiceDock.Invalidate(); voiceDock.Mic.Invalidate(); voiceDock.Deaf.Invalidate();
                }
            }
            bool muted = on ? vc.Muted : Prefs.Bool("muted", false), deaf = on && vc.Deafened, idle = App.AutoIdle;
            if (chip.Muted != muted || chip.Deaf != deaf || chip.Idle != idle) { chip.Muted = muted; chip.Deaf = deaf; chip.Idle = idle; chip.Invalidate(); }
            if (ticks % 20 == 0 && Visible) { orbit.Invalidate(); friendsPg.Refresh2(); home.Invalidate(); }
        }

        void Badge(string key, int n)
        {
            int i = Array.IndexOf(DockBar.Keys, key);
            if (i >= 0 && dockBar.Badges[i] != n) { dockBar.Badges[i] = n; dockBar.Invalidate(); }
        }

        public override void SetFriends(List<Friend> list, int requests)
        {
            orbit.SetData(list, requests);
            messages.List.SetData(list, requests);
            friendsPg.SetData(list, requests);
            home.SetFriends(list);
            foreach (var f in list) messages.Chat.UpdateFriend(f);
            Badge("messages", list.Sum(f => f.Unread));
            Badge("friends", requests);
        }

        public override void SetRequests(List<FriendReq> r) { friendsPg.SetRequests(r); }
        public override void SetClans(List<ClanItem> c) { clans.Cards.SetData(c); home.SetClans(c.Count); }
        public override void SetShot(string game, string url) { settings.SetShot(game, url); }

        public override void ShowUpdate(string text)
        {
            updateBar.Message = text;
            updateBar.Busy = false;
            updateBar.Visible = true;
            updateBar.Invalidate();
            DoLayout();
            Invalidate();
        }

        public override void SetUpdateText(string text, bool busy)
        {
            updateBar.Message = text;
            updateBar.Busy = busy;
            if (!updateBar.Visible) { updateBar.Visible = true; DoLayout(); Invalidate(); }
            updateBar.Invalidate();
        }

        public override void OpenChat(Friend f)
        {
            Show2("messages");
            messages.Chat.Open(f);
            messages.ShowChat(true);
            messages.List.Select("dm:" + f.Username);
            messages.Chat.FocusInput();
        }

        public override bool ChatActive(string u)
        {
            return Visible && WindowState != FormWindowState.Minimized && ContainsFocus && page == "messages" && messages.Chat.FriendName == u;
        }

        public override void CloseChat(string user)
        {
            if (user != null && messages.Chat.FriendName != user) return;
            messages.Chat.Reset();
            messages.ShowChat(false);
        }

        public override void ShowVoice() { Show2("voice"); }
        public override void ShowAddFriend() { Show2("friends"); friendsPg.ShowAdd(); }
        public override void ShowSettings() { Show2("settings"); }
        public override void ShowServers() { Show2("servers"); }
        public override void ShowLfg() { Show2("lfg"); }

        public override void ShowNotifs()
        {
            page = "notifs";
            foreach (var kv in pages) kv.Value.Visible = kv.Key == "notifs";
            dockBar.Selected = "notifs";
            dockBar.Invalidate();
            UpdateVoiceDock();
            Invalidate();
            App.MarkNotifsSeen();
        }

        public override void SetNotifs(int unread, List<NotifItem> items)
        {
            notifList.SetData(items);
            Badge("notifs", unread);
        }

        public override void SetLfg(List<LfgItem> items) { lfgList.SetData(items); home.SetLfg(items); }

        protected override void OnFormClosing(FormClosingEventArgs e)
        {
            if (WindowState == FormWindowState.Normal)
            {
                Prefs.Set("neo_w", ClientSize.Width);
                Prefs.Set("neo_h", ClientSize.Height);
            }
            if (!AllowClose && e.CloseReason == CloseReason.UserClosing)
            {
                e.Cancel = true;
                Hide();
                App.HiddenHint();
            }
            base.OnFormClosing(e);
        }
    }
}

namespace Fragline
{
    // Voice prostor (Dock raspored). Izvan sobe: sobe kao kartice s avatarima ljudi unutra.
    // U sobi: sudionici kao veliki krugovi koji svijetle dok pricaju i plutajuca traka s kontrolama.
    class VoiceSpace : Control
    {
        readonly TrayApp app;
        readonly VoiceView data;
        readonly Panel tools = new Panel();
        readonly Toggle ptt = new Toggle();
        readonly DropDown key = new DropDown();
        readonly RangeSlider meter = new RangeSlider { Min = -80, Max = 0, Format = v => (int)Math.Round(v) + " dB" };
        readonly Label pttLbl;
        readonly FlatButton adv = new FlatButton("Napredno", false), newRoom = new FlatButton("Nova soba", true);
        readonly Timer tick = new Timer { Interval = 80 };
        readonly Dictionary<string, Rectangle> hits = new Dictionary<string, Rectangle>();
        List<VMember> members = new List<VMember>();
        readonly List<Tuple<Rectangle, VMember>> tiles = new List<Tuple<Rectangle, VMember>>();
        string hot;
        float phase;
        bool syncing, inRoom;

        public VoiceSpace(TrayApp app, VoiceView data)
        {
            this.app = app;
            this.data = data;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            BackColor = Theme.Bg;
            tools.BackColor = Theme.Panel;
            pttLbl = Ui.Lbl("Pritisni za pričanje", 13, Theme.Text2, 0, 0);
            pttLbl.BackColor = Theme.Panel;
            Ui.Combo(key);
            foreach (var k in VoiceView.PttKeys) key.Items.Add(k.Name);
            adv.Font = Theme.Body(13, FontStyle.Bold);
            adv.Click += (s, e) => app.ShowAudioSettings();
            newRoom.Glyph = null;
            newRoom.Click += (s, e) => app.ShowCreateRoom();
            tools.Controls.AddRange(new Control[] { pttLbl, ptt, key, meter, adv });
            Controls.AddRange(new Control[] { tools, newRoom });
            syncing = true;
            ptt.Checked = AudioCfg.Ptt;
            int idx = Array.FindIndex(VoiceView.PttKeys, k => k.Vk == AudioCfg.PttKey);
            key.SelectedIndex = idx >= 0 ? idx : 0;
            key.Enabled = AudioCfg.Ptt;
            meter.Value = AudioCfg.SensDb;
            syncing = false;
            ptt.CheckedChanged += (s, e) => { AudioCfg.Ptt = ptt.Checked; key.Enabled = ptt.Checked; };
            key.SelectedIndexChanged += (s, e) => { if (!syncing && key.SelectedIndex >= 0) AudioCfg.PttKey = VoiceView.PttKeys[key.SelectedIndex].Vk; };
            meter.ValueChanged += (s, e) => { if (!syncing) AudioCfg.SensDb = meter.Value; };
            tick.Tick += (s, e) => Tick();
            tick.Start();
            Disposed += (s, e) => tick.Dispose();
        }

        // donja traka s postavkama (u sobi je dio plutajuce trake s gumbima)
        Rectangle BarRect()
        {
            int w = Math.Min(Width - Theme.D(40), Theme.D(inRoom ? 900 : 760)), h = Theme.D(68);
            return new Rectangle((Width - w) / 2, Height - h - Theme.D(20), w, h);
        }

        protected override void OnResize(EventArgs e) { base.OnResize(e); Place(); }

        void Place()
        {
            if (tools == null || pttLbl == null) return;
            var br = BarRect();
            int lead = inRoom ? Theme.D(3 * 56 + 30) : Theme.D(10);
            // unutarnji pravokutnik bez zaobljenih krajeva, iste boje kao traka
            tools.SetBounds(br.X + br.Height / 2 + lead - Theme.D(10), br.Y + Theme.D(6), Math.Max(10, br.Width - br.Height - lead + Theme.D(10)), br.Height - Theme.D(12));
            int y = (tools.Height - Theme.D(38)) / 2, x = 0;
            pttLbl.Location = new Point(x, (tools.Height - pttLbl.PreferredHeight) / 2); x += pttLbl.PreferredWidth + Theme.D(8);
            ptt.Location = new Point(x, (tools.Height - ptt.Height) / 2); x += ptt.Width + Theme.D(10);
            key.SetBounds(x, y, Theme.D(118), Theme.D(38)); x += Theme.D(128);
            int aw = Theme.D(104);
            adv.SetBounds(tools.Width - aw, y, aw, Theme.D(38));
            meter.SetBounds(x, y + Theme.D(2), Math.Max(Theme.D(60), adv.Left - x - Theme.D(10)), Theme.D(34));
            newRoom.SetBounds(Width - Theme.D(28) - Theme.D(140), Theme.D(26), Theme.D(140), Theme.D(40));
            newRoom.Visible = !inRoom;
            Invalidate();
        }

        List<VMember> Members(VoiceClient vc)
        {
            var known = new Dictionary<string, VMember>();
            foreach (var rm in data.Rooms) foreach (var m in rm.Members) if (m.Name != null) known[m.Name] = m;
            var res = new List<VMember> { new VMember { Name = (app.Username ?? "Ti") + " (ti)", Color = app.ColorHex, Avatar = app.AvatarUrl, Speaking = vc.Talking } };
            foreach (var m in vc.LiveMembers())
            {
                VMember k;
                if (known.TryGetValue(m.Name ?? "", out k)) { m.Color = k.Color; m.Avatar = k.Avatar; }
                res.Add(m);
            }
            return res;
        }

        void Tick()
        {
            if (!Visible) return;
            var vc = app.Voice;
            bool on = vc != null;
            if (on != inRoom) { inRoom = on; Place(); }
            members = on ? Members(vc) : new List<VMember>();
            phase += 0.12f;
            var eng = vc != null ? vc.Audio : null;
            meter.Locked = AudioCfg.AutoSens || AudioCfg.Ptt;
            meter.Level = eng != null ? eng.LevelDb : float.NaN;
            meter.Marker = eng != null ? eng.ThresholdDb : float.NaN;
            if (!meter.Dragging) meter.Value = AudioCfg.SensDb;
            meter.Invalidate();
            Invalidate();
        }

        protected override void OnVisibleChanged(EventArgs e)
        {
            if (Visible)
            {
                syncing = true;
                ptt.Checked = AudioCfg.Ptt;
                key.Enabled = AudioCfg.Ptt;
                int idx = Array.FindIndex(VoiceView.PttKeys, k => k.Vk == AudioCfg.PttKey);
                if (idx >= 0) key.SelectedIndex = idx;
                syncing = false;
            }
            base.OnVisibleChanged(e);
        }

        string Hit(Point p) { foreach (var kv in hits) if (kv.Value.Contains(p)) return kv.Key; return null; }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            var h = Hit(e.Location);
            if (h != hot) { hot = h; Cursor = h != null ? Cursors.Hand : Cursors.Default; Invalidate(); }
            base.OnMouseMove(e);
        }

        protected override void OnMouseLeave(EventArgs e) { hot = null; Invalidate(); base.OnMouseLeave(e); }

        protected override void OnMouseUp(MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
            {
                foreach (var t in tiles) if (t.Item1.Contains(e.Location)) { VoiceView.ShowMemberMenu(app, t.Item2, this, e.Location); return; }
                var hr = Hit(e.Location);
                var rm = hr != null && hr.StartsWith("room:") ? data.Rooms.FirstOrDefault(x => "room:" + x.Key == hr) : null;
                if (rm != null && rm.Mine && rm.Custom)
                {
                    var menu = Ui.Menu();
                    menu.Items.Add(new ToolStripMenuItem("Obriši sobu", null, (a, b) => app.DeleteRoom(rm)) { ForeColor = Theme.Red });
                    menu.Show(this, e.Location);
                }
                return;
            }
            if (e.Button != MouseButtons.Left) return;
            var h = Hit(e.Location);
            if (h == null) return;
            if (h == "mic") app.ToggleMute();
            else if (h == "deaf") app.ToggleDeaf();
            else if (h == "leave") app.LeaveVoice();
            else if (h.StartsWith("room:"))
            {
                var rm = data.Rooms.FirstOrDefault(x => "room:" + x.Key == h);
                if (rm != null && (app.Voice == null || app.Voice.Room != rm.Key)) app.JoinVoice(rm);
            }
            base.OnMouseUp(e);
        }

        static string RoomKind(VRoom rm)
        {
            if (!rm.Custom) return rm.Key != null && rm.Key.StartsWith("clan") ? "Klan" : "Glavna soba";
            return rm.Privacy == "friends" ? "Samo prijatelji" : rm.Privacy == "clan" ? "Klan" : "Javna soba";
        }

        void RoundCtl(Graphics g, string key, Rectangle r, string icon, bool off, bool danger)
        {
            hits[key] = r;
            bool h = hot == key;
            Color bg = danger ? Theme.Red : off ? Color.White : Fx.Mix(Theme.Panel, Color.White, h ? 0.16f : 0.09f);
            if (h && (danger || off)) bg = Theme.Shade(bg, -0.1f);
            using (var b = new SolidBrush(bg)) g.FillEllipse(b, r);
            var fc = off && !danger ? Theme.Red : Color.White;
            float s = r.Width * 0.46f;
            var ir = new RectangleF(r.X + (r.Width - s) / 2, r.Y + (r.Height - s) / 2, s, s);
            Vec.Draw(g, icon, ir, fc, Theme.D(1.8f));
            if (off && !danger) Vec.Draw(g, "slash", ir, fc, Theme.D(2));
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Theme.Bg);
            hits.Clear();
            tiles.Clear();
            int pad = Theme.D(28);
            var vc = app.Voice;
            var bar = BarRect();

            if (vc == null)
            {
                using (var f = Theme.Display(22)) TextRenderer.DrawText(g, "Voice sobe", f, new Point(pad, Theme.D(24)), Theme.Text, TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
                var st = string.IsNullOrEmpty(data.StatusText) ? "Klikni sobu da uđeš." : data.StatusText;
                using (var f = Theme.Body(13)) TextRenderer.DrawText(g, st, f, new Point(pad, Theme.D(56)), data.StatusColor == Theme.Muted ? Theme.Muted : data.StatusColor, TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
                var rooms = data.Rooms;
                int top = Theme.D(98), gap = Theme.D(16), W = Width - pad * 2;
                int cols = Math.Max(1, (W + gap) / (Theme.D(250) + gap));
                int cw = (W - gap * (cols - 1)) / cols, ch = Theme.D(150);
                if (rooms.Count == 0)
                    using (var f = Theme.Body(13.5f)) TextRenderer.DrawText(g, data.Loaded ? "Nema soba." : "Učitavam sobe...", f, new Rectangle(pad, top + Theme.D(20), W, Theme.D(24)), Theme.Muted, TextFormatFlags.HorizontalCenter | TextFormatFlags.NoPrefix);
                for (int i = 0; i < rooms.Count; i++)
                {
                    var rm = rooms[i];
                    var r = new Rectangle(pad + (i % cols) * (cw + gap), top + (i / cols) * (ch + gap), cw, ch);
                    if (r.Bottom > bar.Y - Theme.D(10)) break;
                    string k = "room:" + rm.Key;
                    hits[k] = r;
                    bool h = hot == k;
                    Theme.Card(g, r, Theme.D(18), h ? Fx.Mix(Theme.Panel, Color.White, 0.05f) : Theme.Panel);
                    if (h) using (var p = Theme.Round(r, Theme.D(18))) Fx.GlowBorder(g, p, r, 1f, 1.5f);
                    var ic = new Rectangle(r.X + Theme.D(16), r.Y + Theme.D(16), Theme.D(40), Theme.D(40));
                    using (var b = new LinearGradientBrush(ic, Theme.Accent, Theme.Accent2, 45f)) g.FillEllipse(b, ic);
                    Vec.Draw(g, rm.Custom ? "headset" : "mic", new RectangleF(ic.X + Theme.D(10), ic.Y + Theme.D(10), Theme.D(20), Theme.D(20)), Color.White, Theme.D(1.7f));
                    using (var f = Theme.Display(15)) TextRenderer.DrawText(g, rm.Label ?? rm.Key, f, new Rectangle(ic.Right + Theme.D(12), r.Y + Theme.D(16), r.Right - ic.Right - Theme.D(28), Theme.D(22)), Theme.Text, TextFormatFlags.NoPrefix | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPadding);
                    using (var f = Theme.Body(12)) TextRenderer.DrawText(g, RoomKind(rm) + (rm.Limit > 0 ? "  ·  do " + rm.Limit : ""), f, new Rectangle(ic.Right + Theme.D(12), r.Y + Theme.D(40), r.Right - ic.Right - Theme.D(28), Theme.D(18)), Theme.Muted, TextFormatFlags.NoPrefix | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPadding);
                    // tko je unutra: avatari koji se preklapaju
                    int ay = r.Bottom - Theme.D(52), ax = r.X + Theme.D(16), asz = Theme.D(30);
                    if (rm.Members.Count == 0)
                        using (var f = Theme.Body(12.5f)) TextRenderer.DrawText(g, "Prazno, budi prvi", f, new Rectangle(ax, ay, cw - Theme.D(130), asz), Theme.Muted, TextFormatFlags.VerticalCenter | TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
                    for (int m = 0; m < rm.Members.Count && m < 5; m++)
                    {
                        var mm = rm.Members[m];
                        var ar = new RectangleF(ax + m * (asz - Theme.D(8)), ay, asz, asz);
                        using (var b = new SolidBrush(h ? Fx.Mix(Theme.Panel, Color.White, 0.05f) : Theme.Panel)) g.FillEllipse(b, ar.X - Theme.D(2), ar.Y - Theme.D(2), asz + Theme.D(4), asz + Theme.D(4));
                        Theme.Avatar(g, ar, mm.Color, mm.Name, mm.Avatar, this, null, Theme.Panel);
                    }
                    if (rm.Members.Count > 5)
                        using (var f = Theme.Body(12, FontStyle.Bold)) TextRenderer.DrawText(g, "+" + (rm.Members.Count - 5), f, new Point(ax + 5 * (asz - Theme.D(8)) + Theme.D(8), ay + Theme.D(7)), Theme.Text2, TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
                    var jr = new Rectangle(r.Right - Theme.D(16) - Theme.D(84), r.Bottom - Theme.D(50), Theme.D(84), Theme.D(32));
                    using (var p = Theme.Round(jr, jr.Height / 2f))
                    {
                        if (h) using (var b = new LinearGradientBrush(jr, Theme.Accent, Theme.Accent2, 0f)) g.FillPath(b, p);
                        else using (var pen = new Pen(Fx.Mix(Theme.Panel, Color.White, 0.2f))) g.DrawPath(pen, p);
                    }
                    using (var f = Theme.Display(13)) TextRenderer.DrawText(g, "Uđi", f, jr, h ? Color.White : Theme.Text2, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPrefix);
                }
            }
            else
            {
                // naslov sobe
                using (var f = Theme.Display(22)) TextRenderer.DrawText(g, vc.Label ?? "Voice", f, new Point(pad, Theme.D(24)), Theme.Text, TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
                string sub = vc.Deafened ? "zvuk isključen" : vc.Muted ? "mikrofon isključen" : vc.Talking ? "pričaš" : "spojen";
                var sc = vc.Muted || vc.Deafened ? Theme.Red : Theme.On;
                using (var b = new SolidBrush(sc)) g.FillEllipse(b, pad, Theme.D(62), Theme.D(8), Theme.D(8));
                using (var f = Theme.Body(13)) TextRenderer.DrawText(g, sub + "  ·  " + members.Count + (members.Count == 1 ? " osoba" : " osobe") + " u sobi", f, new Point(pad + Theme.D(16), Theme.D(56)), Theme.Muted, TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);

                // sudionici: krugovi, svijetle dok pricaju
                int n = members.Count, top = Theme.D(100), bottom = bar.Y - Theme.D(24);
                int areaW = Width - pad * 2, areaH = Math.Max(Theme.D(80), bottom - top);
                int cols = n <= 1 ? 1 : n <= 4 ? n : n <= 6 ? 3 : n <= 12 ? 4 : 6;
                int rowsN = Math.Max(1, (n + cols - 1) / cols);
                float d = Math.Min(Theme.D(140), Math.Min(areaW / (float)cols - Theme.D(40), areaH / (float)rowsN - Theme.D(56)));
                d = Math.Max(Theme.D(48), d);
                float cellW = d + Theme.D(40), cellH = d + Theme.D(56);
                float oy = top + (areaH - rowsN * cellH) / 2f;
                for (int i = 0; i < n; i++)
                {
                    var m = members[i];
                    int rI = i / cols, inRow = Math.Min(cols, n - rI * cols);
                    float ox = (Width - inRow * cellW) / 2f;
                    var cell = new RectangleF(ox + (i % cols) * cellW, oy + rI * cellH, cellW, cellH);
                    var ar = new RectangleF(cell.X + (cellW - d) / 2, cell.Y, d, d);
                    tiles.Add(Tuple.Create(Rectangle.Round(cell), m));
                    if (m.Speaking)
                    {
                        float pulse = (float)(Math.Sin(phase * 2) * 0.5 + 0.5);
                        for (int k = 3; k >= 1; k--)
                        {
                            var gr = ar; gr.Inflate(Theme.D(4 + k * 4) * (0.6f + 0.4f * pulse), Theme.D(4 + k * 4) * (0.6f + 0.4f * pulse));
                            using (var b = new SolidBrush(Color.FromArgb(18 + 10 * (3 - k), Theme.Accent2))) g.FillEllipse(b, gr);
                        }
                        var rr = ar; rr.Inflate(Theme.D(4), Theme.D(4));
                        using (var b = new LinearGradientBrush(rr, Theme.Accent, Theme.Accent2, 45f)) using (var pen = new Pen(b, Theme.D(3))) g.DrawEllipse(pen, rr);
                    }
                    else
                    {
                        var rr = ar; rr.Inflate(Theme.D(4), Theme.D(4));
                        using (var pen = new Pen(Fx.Mix(Theme.Bg, Color.White, 0.1f), Theme.D(2))) g.DrawEllipse(pen, rr);
                    }
                    Theme.Avatar(g, ar, m.Color, (m.Name ?? "?").Replace(" (ti)", ""), m.Avatar, this, null, Theme.Bg);
                    bool localMuted = m.Name != null && !m.Name.EndsWith(" (ti)") && AudioCfg.UserMuted(m.Name);
                    using (var f = Theme.Display(14))
                        TextRenderer.DrawText(g, m.Name ?? "?", f, new Rectangle((int)cell.X, (int)(ar.Bottom + Theme.D(12)), (int)cellW, Theme.D(22)), m.Speaking ? Theme.Text : Theme.Text2, TextFormatFlags.HorizontalCenter | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPrefix);
                    if (localMuted)
                    {
                        var mr = new RectangleF(ar.Right - Theme.D(26), ar.Bottom - Theme.D(26), Theme.D(26), Theme.D(26));
                        using (var b = new SolidBrush(Theme.Red)) g.FillEllipse(b, mr);
                        var ir = new RectangleF(mr.X + Theme.D(6), mr.Y + Theme.D(6), Theme.D(14), Theme.D(14));
                        Vec.Draw(g, "headset", ir, Color.White, Theme.D(1.4f));
                        Vec.Draw(g, "slash", ir, Color.White, Theme.D(1.6f));
                    }
                }
            }

            // plutajuca traka: u sobi gumbi za mikrofon, zvuk i izlaz, pa postavke pricanja
            using (var p = Theme.Round(new Rectangle(bar.X, bar.Y + Theme.D(4), bar.Width, bar.Height), bar.Height / 2f)) using (var b = new SolidBrush(Color.FromArgb(70, 0, 0, 0))) g.FillPath(b, p);
            using (var p = Theme.Round(bar, bar.Height / 2f))
            {
                using (var b = new SolidBrush(Theme.Panel)) g.FillPath(b, p);
                using (var pen = new Pen(Fx.Mix(Theme.Panel, Color.White, 0.08f))) g.DrawPath(pen, p);
            }
            if (vc != null)
            {
                int bs = Theme.D(48), by = bar.Y + (bar.Height - bs) / 2, bx = bar.X + Theme.D(12);
                RoundCtl(g, "mic", new Rectangle(bx, by, bs, bs), "mic", vc.Muted, false);
                RoundCtl(g, "deaf", new Rectangle(bx + bs + Theme.D(8), by, bs, bs), "headset", vc.Deafened, false);
                RoundCtl(g, "leave", new Rectangle(bx + (bs + Theme.D(8)) * 2, by, bs, bs), "hangup", false, true);
                using (var pen = new Pen(Fx.Mix(Theme.Panel, Color.White, 0.12f))) g.DrawLine(pen, bx + (bs + Theme.D(8)) * 3 + Theme.D(4), bar.Y + Theme.D(16), bx + (bs + Theme.D(8)) * 3 + Theme.D(4), bar.Bottom - Theme.D(16));
            }
        }
    }
}

// ===================== Dash.cs =====================
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Windows.Forms;

namespace Fragline
{
    // Pocetna slozena kao naslovnica weba: veliki pozdravni blok (tekst, gumbi, statistika)
    // s karticama "Upravo igraju" desno, a ispod oglasi "Traze ekipu". Nista vise.
    class DashHome : UserControl
    {
        readonly TrayApp app;
        List<Friend> friends = new List<Friend>();
        List<LfgItem> lfg = new List<LfgItem>();
        int clanCount;
        string hot;
        readonly Dictionary<string, Rectangle> hits = new Dictionary<string, Rectangle>();
        public event Action<string> Navigate;

        const TextFormatFlags Mid = TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding;
        const TextFormatFlags Left = TextFormatFlags.VerticalCenter | TextFormatFlags.NoPrefix | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPadding;

        public DashHome(TrayApp app)
        {
            this.app = app;
            BackColor = Theme.Bg;
            SetStyle(ControlStyles.UserPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.AllPaintingInWmPaint | ControlStyles.ResizeRedraw, true);
        }

        public void SetFriends(List<Friend> f) { friends = f ?? new List<Friend>(); Invalidate(); }
        public void SetClans(int n) { clanCount = n; Invalidate(); }
        public void SetLfg(List<LfgItem> l) { lfg = l ?? new List<LfgItem>(); Invalidate(); }

        string Hit(Point p) { foreach (var kv in hits) if (kv.Value.Contains(p)) return kv.Key; return null; }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            var h = Hit(e.Location);
            if (h != hot) { hot = h; Cursor = h != null ? Cursors.Hand : Cursors.Default; Invalidate(); }
            base.OnMouseMove(e);
        }

        protected override void OnMouseLeave(EventArgs e) { hot = null; Invalidate(); base.OnMouseLeave(e); }

        protected override void OnMouseClick(MouseEventArgs e)
        {
            var h = Hit(e.Location);
            if (h == null) { base.OnMouseClick(e); return; }
            if (h == "new") app.NewLfg();
            else if (h == "servers" || h == "lfg") { if (Navigate != null) Navigate(h); }
            else if (h.StartsWith("p:")) app.OpenChatByName(h.Substring(2));
            else if (h.StartsWith("j:"))
            {
                long id = long.Parse(h.Substring(2));
                var it = lfg.FirstOrDefault(x => x.Id == id);
                if (it != null)
                {
                    if (it.Mine) app.LfgAction(id, true);
                    else if (it.JoinedByMe) app.LfgAction(id, false);
                    else app.JoinLfg(id);
                }
            }
            base.OnMouseClick(e);
        }

        void Pill(Graphics g, string key, Rectangle r, string text, bool solid, Color fg)
        {
            hits[key] = r;
            bool h = hot == key;
            using (var p = Theme.Round(r, r.Height / 2f))
            {
                if (solid) using (var b = new SolidBrush(h ? Color.FromArgb(230, 255, 255, 255) : Color.White)) g.FillPath(b, p);
                else
                {
                    if (h) using (var b = new SolidBrush(Color.FromArgb(40, 255, 255, 255))) g.FillPath(b, p);
                    using (var pen = new Pen(Color.FromArgb(h ? 255 : 170, 255, 255, 255), Theme.D(1.5f))) g.DrawPath(pen, p);
                }
            }
            using (var f = Theme.Display(13.5f)) TextRenderer.DrawText(g, text, f, r, fg, Mid);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Theme.Bg);
            hits.Clear();
            int pad = Theme.D(24), W = Width - pad * 2;
            if (W < Theme.D(300)) return;
            float rad = Theme.D(16);
            var playing = friends.Where(f => f.Status == "play").ToList();
            int online = friends.Count(f => f.Kind != "off");

            // ---------- pozdravni blok (kao "hero" na webu) ----------
            var hero = new Rectangle(pad, pad, W, Theme.D(296));
            using (var p = Theme.Round(new Rectangle(hero.X, hero.Y + Theme.D(6), hero.Width, hero.Height), rad)) using (var b = new SolidBrush(Color.FromArgb(60, Theme.Accent2))) g.FillPath(b, p);
            using (var p = Theme.Round(hero, rad))
            {
                using (var b = new LinearGradientBrush(hero, Theme.Accent, Theme.Accent2, 20f)) g.FillPath(b, p);
                var st = g.Save();
                g.SetClip(p);
                using (var b = new SolidBrush(Color.FromArgb(22, 255, 255, 255))) g.FillEllipse(b, hero.Right - hero.Height * 1.4f, hero.Y - hero.Height * 0.6f, hero.Height * 1.6f, hero.Height * 1.6f);
                g.Restore(st);
            }
            bool showLive = W > Theme.D(720);
            int liveW = Math.Min(Theme.D(330), (int)(W * 0.4f));
            int tx = hero.X + Theme.D(30), tw = (showLive ? hero.Width - liveW - Theme.D(40) : hero.Width) - Theme.D(60);
            int y = hero.Y + Theme.D(26);

            string live = playing.Count == 0 ? "Nitko od prijatelja ne igra" : playing.Count == 1 ? "1 prijatelj je u igri" : playing.Count + " prijatelja je u igri";
            using (var f = Theme.Body(12, FontStyle.Bold))
            {
                int lw = TextRenderer.MeasureText(live, f).Width + Theme.D(34);
                var lr = new Rectangle(tx, y, lw, Theme.D(26));
                using (var p = Theme.Round(lr, lr.Height / 2f)) using (var b = new SolidBrush(Color.FromArgb(45, 0, 0, 0))) g.FillPath(b, p);
                using (var b = new SolidBrush(playing.Count > 0 ? Color.FromArgb(120, 255, 140) : Color.FromArgb(200, 255, 255, 255))) g.FillEllipse(b, lr.X + Theme.D(12), lr.Y + Theme.D(9), Theme.D(8), Theme.D(8));
                TextRenderer.DrawText(g, live, f, new Rectangle(lr.X + Theme.D(26), lr.Y, lw - Theme.D(30), lr.Height), Color.White, Left);
            }
            y += Theme.D(40);
            using (var f = Theme.Display(28))
                TextRenderer.DrawText(g, "Bok, " + (app.Username ?? "igraču") + "!", f, new Rectangle(tx, y, tw, Theme.D(40)), Color.White, Left);
            y += Theme.D(42);
            string lead = app.CurrentGame != null ? "Upravo igraš " + app.CurrentGame + ". Treba ti ekipa? Objavi oglas, vidjet će ga svi u aplikaciji i na webu."
                : "Traži ekipu, pronađi server ili se javi prijateljima koji su online.";
            using (var f = Theme.Body(13.5f))
                TextRenderer.DrawText(g, lead, f, new Rectangle(tx, y, tw, Theme.D(40)), Color.FromArgb(235, 255, 255, 255), TextFormatFlags.WordBreak | TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
            y += Theme.D(48);
            using (var f = Theme.Display(13.5f))
            {
                int b1 = TextRenderer.MeasureText("Objavi oglas", f).Width + Theme.D(40), b2 = TextRenderer.MeasureText("Pronađi server", f).Width + Theme.D(40);
                Pill(g, "new", new Rectangle(tx, y, b1, Theme.D(40)), "Objavi oglas", true, Theme.Shade(Theme.Accent, -0.25f));
                Pill(g, "servers", new Rectangle(tx + b1 + Theme.D(10), y, b2, Theme.D(40)), "Pronađi server", false, Color.White);
            }
            int sy = y + Theme.D(62), sx = tx;
            var stats = new[] { Tuple.Create(online.ToString(), "online"), Tuple.Create(playing.Count.ToString(), "u igri"), Tuple.Create(lfg.Count.ToString(), lfg.Count == 1 ? "oglas" : "oglasa"), Tuple.Create(clanCount.ToString(), clanCount == 1 ? "klan" : "klanova") };
            foreach (var s in stats)
            {
                if (sx > tx + tw - Theme.D(60)) break;
                using (var f = Theme.Display(20)) TextRenderer.DrawText(g, s.Item1, f, new Point(sx, sy), Color.White, TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
                using (var f = Theme.Body(11.5f)) TextRenderer.DrawText(g, s.Item2, f, new Point(sx, sy + Theme.D(28)), Color.FromArgb(210, 255, 255, 255), TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
                sx += Theme.D(86);
            }

            // desno u bloku: "Upravo igraju" (ili tko je online kad nitko ne igra)
            if (showLive)
            {
                var lr = new Rectangle(hero.Right - liveW - Theme.D(22), hero.Y + Theme.D(22), liveW, hero.Height - Theme.D(44));
                int ch = Theme.D(46), cg = Theme.D(6);
                var list = playing.Count > 0 ? playing : friends.Where(f => f.Kind != "off").ToList();
                int max = Math.Max(1, (lr.Height + cg) / (ch + cg));
                if (list.Count == 0)
                {
                    var r = new Rectangle(lr.X, lr.Y, lr.Width, ch + Theme.D(10));
                    using (var p = Theme.Round(r, Theme.D(12))) using (var b = new SolidBrush(Color.FromArgb(50, 0, 0, 0))) g.FillPath(b, p);
                    using (var f = Theme.Display(13.5f)) TextRenderer.DrawText(g, "Nitko nije online", f, new Rectangle(r.X + Theme.D(16), r.Y + Theme.D(6), r.Width - Theme.D(32), Theme.D(22)), Color.White, Left);
                    using (var f = Theme.Body(12)) TextRenderer.DrawText(g, "Dodaj prijatelje da ih vidiš ovdje.", f, new Rectangle(r.X + Theme.D(16), r.Y + Theme.D(28), r.Width - Theme.D(32), Theme.D(18)), Color.FromArgb(210, 255, 255, 255), Left);
                }
                for (int i = 0; i < list.Count && i < max; i++)
                {
                    var fr = list[i];
                    var r = new Rectangle(lr.X, lr.Y + i * (ch + cg), lr.Width, ch);
                    string key = "p:" + fr.Username;
                    hits[key] = r;
                    using (var p = Theme.Round(r, Theme.D(12))) using (var b = new SolidBrush(Color.FromArgb(hot == key ? 80 : 50, 0, 0, 0))) g.FillPath(b, p);
                    float av = Theme.D(32);
                    Theme.Avatar(g, new RectangleF(r.X + Theme.D(8), r.Y + (ch - av) / 2f, av, av), fr.Color, fr.Username, fr.Avatar, this, fr.Kind, Theme.Shade(Theme.Accent, -0.2f));
                    int nx = r.X + Theme.D(50);
                    using (var f = Theme.Display(13.5f)) TextRenderer.DrawText(g, fr.Username, f, new Rectangle(nx, r.Y + Theme.D(5), r.Width - Theme.D(60), Theme.D(20)), Color.White, Left);
                    string sub = fr.Status == "play" && !string.IsNullOrEmpty(fr.Game) ? "igra " + fr.Game : fr.Kind == "dnd" ? "ne smetaj" : fr.Kind == "idle" ? "odsutan" : "online";
                    using (var f = Theme.Body(11.5f)) TextRenderer.DrawText(g, sub, f, new Rectangle(nx, r.Y + Theme.D(24), r.Width - Theme.D(60), Theme.D(17)), Color.FromArgb(215, 255, 255, 255), Left);
                }
            }

            // ---------- traze ekipu ----------
            y = hero.Bottom + Theme.D(30);
            using (var f = Theme.Body(12, FontStyle.Bold))
                TextRenderer.DrawText(g, "TRAŽE EKIPU", f, new Point(pad, y), Theme.Muted, TextFormatFlags.NoPrefix);
            using (var f = Theme.Body(12.5f, FontStyle.Bold))
            {
                string all = "Svi oglasi  ›";
                int aw = TextRenderer.MeasureText(all, f).Width + Theme.D(8);
                var ar = new Rectangle(pad + W - aw, y - Theme.D(3), aw, Theme.D(22));
                hits["lfg"] = ar;
                TextRenderer.DrawText(g, all, f, ar, hot == "lfg" ? Theme.Text : Theme.Link, Mid);
            }
            y += Theme.D(28);
            if (lfg.Count == 0)
            {
                var r = new Rectangle(pad, y, W, Theme.D(96));
                Theme.Card(g, r, rad, Theme.Panel);
                using (var f = Theme.Display(15)) TextRenderer.DrawText(g, "Trenutno nitko ne traži ekipu", f, new Rectangle(r.X, r.Y + Theme.D(20), r.Width, Theme.D(24)), Theme.Text, Mid);
                using (var f = Theme.Body(12.5f)) TextRenderer.DrawText(g, "Budi prvi. Oglas se odmah vidi i na webu.", f, new Rectangle(r.X, r.Y + Theme.D(50), r.Width, Theme.D(20)), Theme.Muted, Mid);
                return;
            }
            int cols = W > Theme.D(900) ? 3 : W > Theme.D(560) ? 2 : 1, gap = Theme.D(16);
            int cw = (W - gap * (cols - 1)) / cols, chh = Theme.D(150);
            for (int i = 0; i < lfg.Count && i < cols; i++)
            {
                var it = lfg[i];
                var r = new Rectangle(pad + i * (cw + gap), y, cw, chh);
                Theme.Card(g, r, rad, Theme.Panel);
                int x = r.X + Theme.D(18), iw = r.Width - Theme.D(36);
                using (var f = Theme.Display(15)) TextRenderer.DrawText(g, string.IsNullOrEmpty(it.GameName) ? it.Game : it.GameName, f, new Rectangle(x, r.Y + Theme.D(14), iw, Theme.D(22)), Theme.Text, Left);
                using (var f = Theme.Body(12)) TextRenderer.DrawText(g, (it.Mine ? "tvoj oglas" : it.Author) + "  ·  još " + it.ExpiresMin + " min", f, new Rectangle(x, r.Y + Theme.D(38), iw, Theme.D(18)), Theme.Muted, Left);
                using (var f = Theme.Body(13))
                    TextRenderer.DrawText(g, string.IsNullOrEmpty(it.Note) ? "Bez poruke" : it.Note, f, new Rectangle(x, r.Y + Theme.D(62), iw, Theme.D(36)), string.IsNullOrEmpty(it.Note) ? Theme.Muted : Theme.Text2, TextFormatFlags.WordBreak | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPrefix | TextFormatFlags.NoPadding);
                // popunjenost: kruzici za mjesta
                int taken = it.Joined.Count, slots = Math.Max(1, it.Slots), dy = r.Bottom - Theme.D(30);
                for (int s = 0; s < slots && s < 9; s++)
                {
                    var dr = new Rectangle(x + s * Theme.D(15), dy + Theme.D(5), Theme.D(10), Theme.D(10));
                    if (s < taken) using (var b = new LinearGradientBrush(dr, Theme.Accent, Theme.Accent2, 0f)) g.FillEllipse(b, dr);
                    else using (var pen = new Pen(Theme.Muted, Theme.D(1.2f))) g.DrawEllipse(pen, dr);
                }
                var br = new Rectangle(r.Right - Theme.D(122), r.Bottom - Theme.D(44), Theme.D(104), Theme.D(32));
                string key = "j:" + it.Id;
                hits[key] = br;
                bool h = hot == key;
                using (var p = Theme.Round(br, br.Height / 2f))
                {
                    if (it.Mine || it.JoinedByMe)
                    {
                        var c = it.Mine ? Theme.Red : Theme.Muted;
                        if (h) using (var b = new SolidBrush(Color.FromArgb(40, c))) g.FillPath(b, p);
                        using (var pen = new Pen(c, Theme.D(1.5f))) g.DrawPath(pen, p);
                    }
                    else using (var b = new LinearGradientBrush(br, h ? Theme.Shade(Theme.Accent, 0.1f) : Theme.Accent, h ? Theme.Shade(Theme.Accent2, 0.1f) : Theme.Accent2, 0f)) g.FillPath(b, p);
                }
                using (var f = Theme.Display(13))
                    TextRenderer.DrawText(g, it.Mine ? "Zatvori" : it.JoinedByMe ? "Odjavi se" : "Javi se", f, br, it.Mine ? Theme.Red : it.JoinedByMe ? Theme.Text2 : Color.White, Mid);
            }
        }
    }
}

// ===================== WebForm.cs =====================
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Windows.Forms;

namespace Fragline
{
    // Raspored identičan webu (resources/views/app.blade.php + fragline.css):
    // gornja traka (logo | status + ja) i tri stupca — Prijatelji | Chat | Profil.
    // Dodatne značajke desktopa (voice, serveri, klanovi, LFG, obavijesti, postavke)
    // otvaraju se u središnjem stupcu, pa aplikacija zadrži web izgled.
    class WebForm : ShellForm
    {
        readonly UpdateBar updateBar = new UpdateBar { Visible = false };
        readonly WebTop top;
        readonly ProfileChip chip = new ProfileChip();
        readonly SocialPanel social;
        readonly WebProfile profile;
        readonly Panel center = new Panel();
        // središnji sadržaji
        readonly Panel chatHost = new Panel();
        readonly ChatView chat;
        readonly Label chatEmpty = new Label();
        readonly VoiceHub voiceHub;
        readonly ServersView serversView;
        readonly ClansPage clansPage;
        readonly SettingsView settings;
        readonly NotifList notifList;
        readonly LfgList lfgList;
        readonly Dictionary<string, Control> wrap = new Dictionary<string, Control>();
        readonly Timer tick = new Timer { Interval = 250 };
        int ticks;

        public override UserPanel User { get { return chip; } }
        public override VoiceView Voice { get { return voiceHub.Rooms; } }

        public WebForm(TrayApp app) : base(app)
        {
            Text = "Fragline";
            FormBorderStyle = FormBorderStyle.Sizable;
            MaximizeBox = true;
            BackColor = Theme.Bg;
            MinimumSize = new Size(Theme.D(900), Theme.D(600));
            var wa = Screen.PrimaryScreen.WorkingArea;
            ClientSize = new Size(Math.Min(wa.Width - Theme.D(40), Prefs.Int("web_w", Theme.D(1300))), Math.Min(wa.Height - Theme.D(60), Prefs.Int("web_h", Theme.D(820))));

            social = new SocialPanel(app);
            chat = new ChatView(app);
            profile = new WebProfile(app, key => ShowCenter(key));

            chatEmpty.Dock = DockStyle.Fill;
            chatEmpty.TextAlign = ContentAlignment.MiddleCenter;
            chatEmpty.Font = Theme.Body(15);
            chatEmpty.ForeColor = Theme.Muted;
            chatEmpty.BackColor = Theme.Bg2;
            chatEmpty.Text = "Odaberi prijatelja\nDodirni nekoga s liste da otvoriš chat.";
            chatHost.BackColor = Theme.Bg2;
            chat.Dock = DockStyle.Fill;
            chat.Visible = false;
            chatHost.Controls.Add(chat);
            chatHost.Controls.Add(chatEmpty);

            voiceHub = new VoiceHub(app);
            serversView = new ServersView(app);
            clansPage = new ClansPage(app);
            settings = new SettingsView(app);
            notifList = new NotifList();
            lfgList = new LfgList(app);

            wrap["chat"] = chatHost;
            wrap["voice"] = Wrapped(voiceHub);
            wrap["servers"] = Wrapped(serversView);
            wrap["clans"] = Wrapped(clansPage);
            wrap["settings"] = Wrapped(settings);
            wrap["notifs"] = Wrapped(notifList);
            wrap["lfg"] = Wrapped(lfgList);

            center.BackColor = Theme.Bg;
            foreach (var c in wrap.Values) { c.Visible = false; center.Controls.Add(c); }

            top = new WebTop(app, chip);
            top.BellClicked += () => ShowNotifs();
            top.GearClicked += () => ShowSettings();

            Controls.Add(center);
            Controls.Add(social);
            Controls.Add(profile);
            Controls.Add(chip);
            Controls.Add(top);
            Controls.Add(updateBar);
            chip.BringToFront();

            chip.ProfileClicked += pt => StatusMenu(chip, pt);
            updateBar.UpdateClicked += () => app.DoUpdate();
            updateBar.Closed += () => { updateBar.Visible = false; DoLayout(); };
            tick.Tick += (s, e) => Tick();
            tick.Start();

            ShowCenter("chat");
            DoLayout();
        }

        Control Wrapped(Control inner)
        {
            inner.Dock = DockStyle.Fill;
            var p = new Panel { BackColor = Theme.Panel };
            p.Controls.Add(inner);
            return p;
        }

        string curCenter = "chat";
        void ShowCenter(string key)
        {
            if (!wrap.ContainsKey(key)) return;
            curCenter = key;
            foreach (var kv in wrap) kv.Value.Visible = kv.Key == key;
            if (key == "notifs") App.MarkNotifsSeen();
            var card = wrap[key];
            card.BringToFront();
            Theme.RoundRegion(card, Theme.D(20));
        }

        protected override void OnResize(EventArgs e) { base.OnResize(e); DoLayout(); }

        void DoLayout()
        {
            int W = ClientSize.Width, H = ClientSize.Height, g = Theme.D(12);
            if (W <= 0 || H <= 0) return;
            int ub = updateBar.Visible ? Theme.D(36) : 0;
            updateBar.SetBounds(0, 0, W, ub);
            int th = Theme.D(60);
            top.SetBounds(0, ub, W, th);
            // me chip gore desno unutar trake
            int cw = Theme.D(210);
            chip.SetBounds(W - cw - Theme.D(16), ub + (th - Theme.D(42)) / 2, cw, Theme.D(42));
            chip.BringToFront();

            int y = ub + th + g, bh = Math.Max(10, H - y - g);
            int lw = Theme.D(320), rw = Theme.D(340);
            // na užem prozoru sakrij desni stupac
            bool wide = W >= Theme.D(1060);
            if (!wide) rw = 0;
            social.SetBounds(g, y, lw, bh);
            Theme.RoundRegion(social, Theme.D(20));
            int cx = g + lw + g;
            int cwid = Math.Max(10, W - cx - g - (rw > 0 ? rw + g : 0));
            center.SetBounds(cx, y, cwid, bh);
            foreach (var c in wrap.Values) { c.Bounds = new Rectangle(0, 0, center.Width, center.Height); Theme.RoundRegion(c, Theme.D(20)); }
            profile.Visible = rw > 0;
            if (rw > 0) { profile.SetBounds(W - rw - g, y, rw, bh); Theme.RoundRegion(profile, Theme.D(20)); }
        }

        void Tick()
        {
            ticks++;
            bool muted = App.Voice != null ? App.Voice.Muted : Prefs.Bool("muted", false);
            bool deaf = App.Voice != null && App.Voice.Deafened, idle = App.AutoIdle;
            if (chip.Muted != muted || chip.Deaf != deaf || chip.Idle != idle) { chip.Muted = muted; chip.Deaf = deaf; chip.Idle = idle; chip.Invalidate(); }
            if (ticks % 20 == 0 && Visible) { social.List.Refresh2(); profile.Invalidate(); }
        }

        // ---------- ShellForm ugovor ----------
        public override void SetFriends(List<Friend> list, int requests)
        {
            social.SetData(list);
            foreach (var f in list) chat.UpdateFriend(f);
            top.Requests = requests;
            top.Invalidate();
        }
        public override void SetRequests(List<FriendReq> r) { social.List.SetRequests(r); }
        public override void SetClans(List<ClanItem> c) { clansPage.Cards.SetData(c); }
        public override void SetShot(string game, string url) { settings.SetShot(game, url); }

        public override void ShowUpdate(string text) { updateBar.Message = text; updateBar.Busy = false; updateBar.Visible = true; updateBar.Invalidate(); DoLayout(); }
        public override void SetUpdateText(string text, bool busy) { updateBar.Message = text; updateBar.Busy = busy; if (!updateBar.Visible) { updateBar.Visible = true; DoLayout(); } updateBar.Invalidate(); }

        public override void OpenChat(Friend f)
        {
            ShowCenter("chat");
            chat.Visible = true; chatEmpty.Visible = false;
            chat.Open(f);
            chat.FocusInput();
        }
        public override bool ChatActive(string u)
        {
            return Visible && WindowState != FormWindowState.Minimized && ContainsFocus && curCenter == "chat" && chat.Visible && chat.FriendName == u;
        }
        public override void CloseChat(string user)
        {
            if (user != null && chat.FriendName != user) return;
            chat.Reset(); chat.Visible = false; chatEmpty.Visible = true;
        }

        public override void ShowVoice() { ShowCenter("voice"); }
        public override void ShowAddFriend() { App.ShowAddFriend(); }
        public override void ShowSettings() { ShowCenter("settings"); }
        public override void ShowNotifs() { ShowCenter("notifs"); }
        public override void ShowLfg() { ShowCenter("lfg"); }
        public void ShowServers() { ShowCenter("servers"); }
        public void ShowClans() { ShowCenter("clans"); }

        public override void SetNotifs(int unread, List<NotifItem> items) { notifList.SetData(items); top.NotifUnread = unread; top.Invalidate(); }
        public override void SetLfg(List<LfgItem> items) { lfgList.SetData(items); }

        protected override void OnFormClosing(FormClosingEventArgs e)
        {
            if (WindowState == FormWindowState.Normal) { Prefs.Set("web_w", ClientSize.Width); Prefs.Set("web_h", ClientSize.Height); }
            if (!AllowClose && e.CloseReason == CloseReason.UserClosing) { e.Cancel = true; Hide(); App.HiddenHint(); }
            base.OnFormClosing(e);
        }
    }

    // Gornja traka: logo lijevo, zvonce + postavke desno (me chip dodaje forma)
    class WebTop : Control
    {
        readonly TrayApp app;
        readonly Control chip;
        Rectangle bell, gear;
        int hot = -1;
        readonly ToolTip tt = new ToolTip();
        public int NotifUnread, Requests;
        public event Action BellClicked, GearClicked;

        public WebTop(TrayApp app, Control chip)
        {
            this.app = app; this.chip = chip;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            Cursor = Cursors.Hand;
        }

        int Hit(Point p) { if (bell.Contains(p)) return 1; if (gear.Contains(p)) return 2; return -1; }
        protected override void OnMouseMove(MouseEventArgs e) { int h = Hit(e.Location); if (h != hot) { hot = h; tt.SetToolTip(this, h == 1 ? "Obavijesti" : h == 2 ? "Postavke" : null); Invalidate(); } base.OnMouseMove(e); }
        protected override void OnMouseLeave(EventArgs e) { hot = -1; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h == 1 && BellClicked != null) BellClicked();
            else if (h == 2 && GearClicked != null) GearClicked();
            base.OnMouseClick(e);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Theme.Panel);
            using (var pen = new Pen(Theme.Line)) g.DrawLine(pen, 0, Height - 1, Width, Height - 1);
            Theme.DrawFlame(g, new RectangleF(Theme.D(18), (Height - Theme.D(26)) / 2f, Theme.D(23), Theme.D(26)));
            Theme.Wordmark(g, Theme.D(50), Height / 2f, 21, Theme.Text);

            int s = Theme.D(38);
            // desno od chipa (chip je širine ~210 + 16 margine)
            int rx = Width - Theme.D(210) - Theme.D(16) - Theme.D(10);
            gear = new Rectangle(rx - s, (Height - s) / 2, s, s);
            bell = new Rectangle(gear.X - s - Theme.D(8), gear.Y, s, s);
            foreach (var t in new[] { Tuple.Create(bell, 1, ""), Tuple.Create(gear, 2, Theme.IcoGear) })
            {
                if (hot == t.Item2) using (var b = new SolidBrush(Theme.Panel2)) g.FillEllipse(b, t.Item1);
                Theme.Icon(g, t.Item3, t.Item2 == 1 ? "!" : "", t.Item1, hot == t.Item2 ? Theme.Text : Theme.Muted, 16);
            }
            if (NotifUnread > 0)
                Theme.Pill(g, NotifUnread > 99 ? "99+" : NotifUnread.ToString(), new Rectangle(bell.Right - Theme.D(18), bell.Y + Theme.D(2), Theme.D(18), Theme.D(14)), true, Theme.Panel);
        }
    }

    // Desni stupac "Profil": ja + brze poveznice na ostale značajke
    class WebProfile : Control
    {
        readonly TrayApp app;
        readonly Action<string> go;
        readonly List<Tuple<Rectangle, string, string>> items = new List<Tuple<Rectangle, string, string>>();
        int hover = -1;

        public WebProfile(TrayApp app, Action<string> go)
        {
            this.app = app; this.go = go;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            BackColor = Theme.Panel;
        }

        int Hit(Point p) { for (int i = 0; i < items.Count; i++) if (items[i].Item1.Contains(p)) return i; return -1; }
        protected override void OnMouseMove(MouseEventArgs e) { int h = Hit(e.Location); if (h != hover) { hover = h; Cursor = h >= 0 ? Cursors.Hand : Cursors.Default; Invalidate(); } base.OnMouseMove(e); }
        protected override void OnMouseLeave(EventArgs e) { hover = -1; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e) { int h = Hit(e.Location); if (h >= 0) go(items[h].Item3); base.OnMouseClick(e); }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Theme.Panel);
            int pad = Theme.D(16), W = Width;
            // zaglavlje: avatar + ime + status
            float av = Theme.D(64);
            Theme.Avatar(g, new RectangleF(pad, Theme.D(18), av, av), app.ColorHex, app.Username, app.AvatarUrl, this, "online", Theme.Panel);
            using (var f = Theme.Display(19))
                Txt.Draw(g, app.Username ?? "", f, new Rectangle(pad + (int)av + Theme.D(14), Theme.D(24), W - pad * 2 - (int)av - Theme.D(14), Theme.D(26)), Theme.Text);
            using (var f = Theme.Body(13))
                Txt.Draw(g, app.CurrentGame != null ? "Igra " + app.CurrentGame : "Online", f, new Rectangle(pad + (int)av + Theme.D(14), Theme.D(50), W - pad * 2 - (int)av - Theme.D(14), Theme.D(20)), app.CurrentGame != null ? Theme.Play : Theme.Muted);

            using (var pen = new Pen(Theme.Line)) g.DrawLine(pen, pad, Theme.D(98), W - pad, Theme.D(98));
            using (var f = Theme.Body(12.5f, FontStyle.Bold))
                Txt.Draw(g, "BRZE POVEZNICE", f, new Rectangle(pad, Theme.D(110), W - pad * 2, Theme.D(18)), Theme.Muted);

            items.Clear();
            var links = new[] {
                Tuple.Create(Theme.IcoSpeaker, "Voice", "voice"),
                Tuple.Create(Theme.IcoGame, "Serveri", "servers"),
                Tuple.Create("", "Klanovi", "clans"),
                Tuple.Create("", "LFG", "lfg"),
                Tuple.Create("", "Obavijesti", "notifs"),
                Tuple.Create(Theme.IcoGear, "Postavke", "settings"),
            };
            int y = Theme.D(136), rh = Theme.D(44);
            for (int i = 0; i < links.Length; i++)
            {
                var r = new Rectangle(pad, y, W - pad * 2, rh);
                items.Add(Tuple.Create(r, links[i].Item2, links[i].Item3));
                if (i == hover) using (var p = Theme.Round(r, Theme.D(12))) using (var b = new SolidBrush(Theme.Panel2)) g.FillPath(b, p);
                Theme.Icon(g, links[i].Item1, "•", new Rectangle(r.X + Theme.D(10), r.Y, Theme.D(22), rh), i == hover ? Theme.Accent : Theme.Muted, 16);
                using (var f = Theme.Display(14))
                    Txt.Draw(g, links[i].Item2, f, new Rectangle(r.X + Theme.D(42), r.Y, r.Width - Theme.D(50), rh), i == hover ? Theme.Text : Theme.Text2);
                y += rh + Theme.D(4);
            }
        }
    }
}

// ===================== Xfire.cs =====================
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Windows.Forms;

namespace Fragline
{
    // Klasicni raspored u stilu Xfirea: uski prozor s popisom prijatelja, sjajne plave trake, chat u zasebnim prozorima
    static class Xf
    {
        public static readonly Color Head1 = ColorTranslator.FromHtml("#3a5478"), Head2 = ColorTranslator.FromHtml("#16223a"),
            Bar1 = ColorTranslator.FromHtml("#2b3f5e"), Bar2 = ColorTranslator.FromHtml("#172338"),
            Game = ColorTranslator.FromHtml("#ffa040"), Voice = ColorTranslator.FromHtml("#6fb4ff"), Border = ColorTranslator.FromHtml("#4a6a95"),
            Orange = ColorTranslator.FromHtml("#ff6a1a");
        static string face = "Tahoma";

        public static void Init()
        {
            if (!FontFamily.Families.Any(f => f.Name == "Tahoma")) face = "Segoe UI";
        }

        public static Font Font(float px, FontStyle st = FontStyle.Regular) { return new Font(face, px * Theme.S, st, GraphicsUnit.Pixel); }

        // Sjajna traka: gradijent odozgo prema dolje i svijetli odsjaj na gornjoj polovici
        public static void Gloss(Graphics g, Rectangle r, Color top, Color bottom)
        {
            if (r.Width <= 0 || r.Height <= 0) return;
            using (var b = new LinearGradientBrush(new Rectangle(r.X, r.Y - 1, r.Width, r.Height + 2), top, bottom, 90f)) g.FillRectangle(b, r);
            using (var b = new SolidBrush(Color.FromArgb(22, 255, 255, 255))) g.FillRectangle(b, r.X, r.Y, r.Width, r.Height / 2);
            using (var pen = new Pen(Color.FromArgb(50, 255, 255, 255))) g.DrawLine(pen, r.X, r.Y, r.Right, r.Y);
            using (var pen = new Pen(Color.FromArgb(160, 0, 0, 0))) g.DrawLine(pen, r.X, r.Bottom - 1, r.Right, r.Bottom - 1);
        }

        // Kvadratni avatar s obrubom (Xfire nije imao okrugle slike)
        public static void Avatar(Graphics g, Rectangle r, string colorHex, string name, string url, Control notify, string kind, Color ringBg)
        {
            var st = g.Save();
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var img = ImageCache.Get(url, notify);
            using (var p = Theme.Round(r, Theme.D(3)))
            {
                if (img != null) g.DrawImage(Theme.Masked(img, r.Width, r.Height, Theme.D(3)), r.X, r.Y, r.Width, r.Height);
                else
                {
                    var c = Theme.Hex(colorHex, Theme.Off);
                    using (var b = new LinearGradientBrush(r, Theme.Shade(c, 0.15f), Theme.Shade(c, -0.25f), 90f)) g.FillPath(b, p);
                    var init = string.IsNullOrEmpty(name) ? "?" : name.Substring(0, 1).ToUpperInvariant();
                    using (var f = Font(Math.Max(8f, r.Height * 0.45f / Theme.S), FontStyle.Bold))
                        TextRenderer.DrawText(g, init, f, r, Color.White, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
                }
                using (var pen = new Pen(Border)) g.DrawPath(pen, p);
            }
            g.Restore(st);
            if (kind == null) return;
            float ds = Math.Max(Theme.D(8), Math.Min(r.Width * 0.32f, Theme.D(14)));
            Theme.StatusDot(g, new RectangleF(r.Right - ds * 0.75f, r.Bottom - ds * 0.75f, ds, ds), kind, ringBg);
        }

        public static void Draw(Graphics g, string text, Font f, Rectangle r, Color c, TextFormatFlags extra = 0)
        {
            TextRenderer.DrawText(g, text ?? "", f, r, c, TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPadding | TextFormatFlags.NoPrefix | extra);
        }

        public static string Line(Friend f, out Color c)
        {
            if (f.Status == "play" && f.Game != null) { c = Game; var s = Theme.Since(f.Since); return "Igra " + f.Game + (s != null ? " · " + s : ""); }
            if (f.Voice != null && f.Kind != "off") { c = Voice; return "U voiceu: " + f.Voice; }
            var k = f.Kind;
            c = k == "dnd" ? Theme.Dnd : k == "idle" ? Theme.Idle : Theme.Muted;
            return Theme.KindText(k);
        }
    }

    // Traka s logom na vrhu
    class XLogo : Control
    {
        public XLogo()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            Xf.Gloss(g, ClientRectangle, Theme.Shade(Xf.Head2, 0.05f), Theme.Shade(Xf.Head2, -0.45f));
            Theme.DrawFlame(g, new RectangleF(Theme.D(10), (Height - Theme.D(24)) / 2f, Theme.D(22), Theme.D(24)));
            using (var f = Xf.Font(17, FontStyle.Bold | FontStyle.Italic))
            {
                var w = TextRenderer.MeasureText(g, "Frag", f, Size.Empty, TextFormatFlags.NoPadding).Width;
                Xf.Draw(g, "Frag", f, new Rectangle(Theme.D(36), 0, w + 2, Height), Color.White);
                Xf.Draw(g, "line", f, new Rectangle(Theme.D(36) + w, 0, Width, Height), Xf.Orange);
            }
            using (var f = Xf.Font(10.5f))
                Xf.Draw(g, "v" + TrayApp.Current.ToString(2), f, new Rectangle(0, 0, Width - Theme.D(10), Height), Theme.Muted, TextFormatFlags.Right);
        }
    }

    // Profil na vrhu: kvadratni avatar, ime, status (klik = izbornik), igra i gumbi za mikrofon, zvuk i postavke
    class XProfile : UserPanel
    {
        int hot = -1;
        readonly ToolTip tt = new ToolTip();

        public XProfile() { BackColor = Xf.Head2; }

        Rectangle Av() { int s = Theme.D(56); return new Rectangle(Theme.D(10), (Height - s) / 2, s, s); }
        Rectangle Btn(int i) { int s = Theme.D(24); return new Rectangle(Width - Theme.D(8) - (s + Theme.D(2)) * (3 - i), Theme.D(8), s, s); }

        Rectangle StatusRect()
        {
            using (var f = Xf.Font(12))
            {
                var w = TextRenderer.MeasureText(StatusText(), f).Width + Theme.D(14);
                return new Rectangle(Theme.D(76), Theme.D(32), w + Theme.D(16), Theme.D(18));
            }
        }

        string StatusText() { return Offline ? "Nema veze sa serverom" : Theme.KindText(Presence == "invisible" ? "invisible" : Kind); }

        int Hit(Point p)
        {
            for (int i = 0; i < 3; i++) if (Btn(i).Contains(p)) return i + 1;
            if (StatusRect().Contains(p) || Av().Contains(p)) return 0;
            return -1;
        }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h != hot)
            {
                hot = h;
                Cursor = h >= 0 ? Cursors.Hand : Cursors.Default;
                tt.SetToolTip(this, h == 0 ? "Promijeni status ili profilnu sliku" : h == 1 ? (Muted ? "Uključi mikrofon" : "Isključi mikrofon") : h == 2 ? (Deaf ? "Uključi zvuk" : "Isključi zvuk") : h == 3 ? "Postavke" : null);
                Invalidate();
            }
        }

        protected override void OnMouseLeave(EventArgs e) { hot = -1; Invalidate(); }

        protected override void OnMouseClick(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h >= 0) Fire(h, new Point(StatusRect().X, StatusRect().Bottom + Theme.D(2)));
            Invalidate();
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            Xf.Gloss(g, ClientRectangle, Xf.Head1, Xf.Head2);
            Xf.Avatar(g, Av(), ColorHex, User, Avatar, this, Kind, Xf.Head2);
            int x = Theme.D(76), right = Btn(0).X - Theme.D(6);
            using (var f = Xf.Font(15, FontStyle.Bold))
                Xf.Draw(g, User, f, new Rectangle(x, Theme.D(10), Math.Max(10, right - x), Theme.D(20)), Color.White);
            var sr = StatusRect();
            if (hot == 0) using (var p = Theme.Round(sr, Theme.D(3))) using (var b = new SolidBrush(Color.FromArgb(40, 255, 255, 255))) g.FillPath(b, p);
            float ds = Theme.D(9);
            Theme.StatusDot(g, new RectangleF(sr.X + Theme.D(3), sr.Y + (sr.Height - ds) / 2f, ds, ds), Kind, Xf.Head2);
            using (var f = Xf.Font(12))
                Xf.Draw(g, StatusText(), f, new Rectangle(sr.X + Theme.D(16), sr.Y, sr.Width - Theme.D(30), sr.Height), Offline ? Theme.Red : Theme.Text2);
            Theme.Chevron(g, new RectangleF(sr.Right - Theme.D(16), sr.Y, Theme.D(12), sr.Height), true, Theme.Text2);
            string game = Game != null ? "Igraš: " + Game + (SinceUtc.HasValue ? " · " + Theme.Since(new DateTimeOffset(SinceUtc.Value, TimeSpan.Zero).ToString("o")) : "") : "Nijedna igra nije pokrenuta";
            using (var f = Xf.Font(11.5f, Game != null ? FontStyle.Bold : FontStyle.Regular))
                Xf.Draw(g, game, f, new Rectangle(x, Theme.D(54), Math.Max(10, Width - x - Theme.D(8)), Theme.D(18)), Game != null ? Xf.Game : Theme.Muted);
            for (int i = 0; i < 3; i++)
            {
                var r = Btn(i);
                if (hot == i + 1) using (var p = Theme.Round(r, Theme.D(3))) using (var b = new SolidBrush(Color.FromArgb(50, 255, 255, 255))) g.FillPath(b, p);
                bool off = (i == 0 && Muted) || (i == 1 && Deaf);
                Theme.Icon(g, i == 0 ? Theme.IcoMic : i == 1 ? Theme.IcoHead : Theme.IcoGear, i == 0 ? "M" : i == 1 ? "Z" : "P", r, off ? Theme.Red : Theme.Text2, 14);
                if (off) Theme.Slash(g, r, Xf.Head1);
            }
        }
    }

    // Kartice ispod profila
    class XTabs : Control
    {
        readonly string[] names = { "Prijatelji", "Klanovi", "Serveri", "Voice", "Aktivnost" };
        readonly string[] glyphs = { Theme.IcoPeople, "\uE716", Theme.IcoGame, Theme.IcoSpeaker, Theme.IcoHistory };
        public int[] Badges = new int[5];
        public bool VoiceOn;
        int sel, hover = -1;
        public event Action<int> Changed;

        public XTabs()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            Cursor = Cursors.Hand;
        }

        public int Selected { get { return sel; } set { if (sel != value) { sel = value; Invalidate(); if (Changed != null) Changed(sel); } } }
        Rectangle Tab(int i) { int w = Width / names.Length; return new Rectangle(i * w, 0, i == names.Length - 1 ? Width - i * w : w, Height); }
        int Hit(Point p) { for (int i = 0; i < names.Length; i++) if (Tab(i).Contains(p)) return i; return -1; }

        protected override void OnMouseMove(MouseEventArgs e) { int h = Hit(e.Location); if (h != hover) { hover = h; Invalidate(); } base.OnMouseMove(e); }
        protected override void OnMouseLeave(EventArgs e) { hover = -1; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e) { int h = Hit(e.Location); if (h >= 0) Selected = h; base.OnMouseClick(e); }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            Xf.Gloss(g, ClientRectangle, Xf.Bar2, Theme.Shade(Xf.Bar2, -0.4f));
            for (int i = 0; i < names.Length; i++)
            {
                var r = Tab(i);
                if (i == sel) Xf.Gloss(g, r, Theme.Shade(Xf.Head1, 0.1f), Xf.Bar1);
                else if (i == hover) using (var b = new SolidBrush(Color.FromArgb(25, 255, 255, 255))) g.FillRectangle(b, r);
                if (i == sel) using (var b = new SolidBrush(Xf.Orange)) g.FillRectangle(b, r.X, r.Bottom - Theme.D(2), r.Width, Theme.D(2));
                if (i > 0) using (var pen = new Pen(Color.FromArgb(90, 0, 0, 0))) g.DrawLine(pen, r.X, r.Y + Theme.D(4), r.X, r.Bottom - Theme.D(4));
                var fc = i == sel ? Color.White : i == hover ? Theme.Text2 : Theme.Muted;
                Theme.Icon(g, glyphs[i], names[i].Substring(0, 1), new Rectangle(r.X, r.Y + Theme.D(3), r.Width, Theme.D(18)), i == 3 && VoiceOn ? Theme.On : fc, 13);
                using (var f = Xf.Font(10.5f, FontStyle.Bold))
                    TextRenderer.DrawText(g, names[i], f, new Rectangle(r.X, r.Y + Theme.D(21), r.Width, Theme.D(14)), fc, TextFormatFlags.HorizontalCenter | TextFormatFlags.NoPadding | TextFormatFlags.EndEllipsis);
                if (Badges[i] > 0)
                    Theme.Pill(g, Badges[i] > 99 ? "99+" : Badges[i].ToString(), new Rectangle(r.X, r.Y + Theme.D(3), r.Width / 2 + Theme.D(22), Theme.D(14)), true, Color.Empty);
            }
        }
    }

    class XRow { public string Kind, Group, Text; public int Count; public Friend F; public FriendReq R; }

    // Popis prijatelja sa sklopivim grupama
    class XBuddyList : UserControl
    {
        readonly TrayApp app;
        readonly Panel searchBar = new Panel();
        readonly TextBox search = new TextBox();
        readonly ListBox list = new SmoothList();
        readonly HashSet<string> collapsed = new HashSet<string>();
        List<Friend> friends = new List<Friend>();
        List<FriendReq> reqs = new List<FriendReq>();
        List<XRow> rows = new List<XRow>();
        int hover = -1;
        Point mouse;
        string sel, lastSig = "";
        readonly bool modern;

        public XBuddyList(TrayApp app, bool modern = false)
        {
            this.app = app;
            this.modern = modern;
            BackColor = modern ? Theme.Panel : Theme.Bg;
            list.BackColor = modern ? Theme.Panel : Theme.Bg;
            foreach (var g in Prefs.Str(modern ? "neo_collapsed" : "xf_collapsed", "out").Split(',')) if (g.Length > 0) collapsed.Add(g);

            searchBar.Dock = DockStyle.Top;
            searchBar.Height = Theme.D(32);
            searchBar.BackColor = Theme.Panel;
            searchBar.Paint += (s, e) =>
            {
                e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
                using (var p = Theme.Round(new Rectangle(Theme.D(6), Theme.D(5), searchBar.Width - Theme.D(12), Theme.D(22)), Theme.D(modern ? 11 : 3)))
                {
                    using (var b = new SolidBrush(Theme.Field)) e.Graphics.FillPath(b, p);
                    if (!modern) using (var pen = new Pen(Theme.Line)) e.Graphics.DrawPath(pen, p);
                }
            };
            search.BorderStyle = BorderStyle.None;
            search.BackColor = Theme.Field;
            search.ForeColor = Theme.Text;
            search.Font = modern ? Theme.Body(13.5f) : Xf.Font(12);
            Theme.Cue(search, "Traži prijatelja...");
            searchBar.Controls.Add(search);
            searchBar.Resize += (s, e) => search.SetBounds(Theme.D(12), Theme.D(5) + (Theme.D(22) - search.PreferredHeight) / 2, Math.Max(10, searchBar.Width - Theme.D(24)), search.PreferredHeight);
            search.TextChanged += (s, e) => Rebuild();

            list.Dock = DockStyle.Fill; list.DrawMode = DrawMode.OwnerDrawVariable; list.BorderStyle = BorderStyle.None;
            list.BackColor = modern ? Theme.Panel : Theme.Bg; list.IntegralHeight = false; list.SelectionMode = SelectionMode.None;
            list.MeasureItem += (s, e) =>
            {
                var r = e.Index >= 0 && e.Index < rows.Count ? rows[e.Index] : null;
                e.ItemHeight = r == null ? Theme.D(44) : r.Kind == "head" ? Theme.D(modern ? 34 : 22) : r.Kind == "empty" ? Theme.D(70) : Theme.D(modern ? 54 : 44);
            };
            list.DrawItem += DrawRow;
            list.MouseMove += (s, e) => { mouse = e.Location; int i = list.IndexFromPoint(e.Location); if (i != hover || (i >= 0 && i < rows.Count && rows[i].R != null)) { hover = i; list.Invalidate(); } };
            list.MouseLeave += (s, e) => { hover = -1; list.Invalidate(); };
            list.MouseDown += (s, e) =>
            {
                int i = list.IndexFromPoint(e.Location);
                if (i < 0 || i >= rows.Count) return;
                var r = rows[i];
                var b = list.GetItemRectangle(i);
                if (e.Button == MouseButtons.Left && r.Kind == "head") { Toggle(r.Group); return; }
                if (r.R != null && e.Button == MouseButtons.Left)
                {
                    if (r.R.Incoming && AcceptBtn(b).Contains(e.Location)) app.AcceptRequest(r.R);
                    else if (DeclineBtn(b).Contains(e.Location)) app.DeleteRequest(r.R);
                    return;
                }
                if (r.F == null) return;
                sel = r.F.Username;
                list.Invalidate();
                if (e.Button == MouseButtons.Right) FriendMenu(r.F, e.Location);
                else if (e.Clicks >= 2 || modern) app.OpenChat(r.F);
            };
            list.KeyDown += (s, e) => { if (e.KeyCode == Keys.Enter && sel != null) app.OpenChatByName(sel); };
            Theme.DarkScroll(list);
            Controls.Add(list);
            Controls.Add(searchBar);
            list.BringToFront();
            Rebuild();
        }

        void Toggle(string g)
        {
            if (!collapsed.Remove(g)) collapsed.Add(g);
            Prefs.Set(modern ? "neo_collapsed" : "xf_collapsed", string.Join(",", collapsed.ToArray()));
            Rebuild();
        }

        void FriendMenu(Friend f, Point at)
        {
            var name = f.Username;
            var menu = Ui.Menu();
            menu.Items.Add(new ToolStripMenuItem("Pošalji poruku", null, (a, b) => app.OpenChat(f)) { Font = Theme.Body(13.5f, FontStyle.Bold) });
            menu.Items.Add(new ToolStripMenuItem("Pozovi", null, (a, b) => app.Call(f)));
            menu.Items.Add(new ToolStripMenuItem("Otvori profil", null, (a, b) => app.Open("/profile/" + Uri.EscapeDataString(name))));
            menu.Items.Add(new ToolStripSeparator());
            menu.Items.Add(new ToolStripMenuItem("Ukloni prijatelja", null, (a, b) => app.RemoveFriend(name)) { ForeColor = Theme.Red });
            menu.Show(list, at);
        }

        public void SetData(List<Friend> f) { friends = f; Rebuild(); }
        public void SetRequests(List<FriendReq> r) { reqs = r; Rebuild(); }
        public void Refresh2() { list.Invalidate(); }

        void Rebuild()
        {
            var q = search.Text.Trim();
            Func<string, bool> match = n => q.Length == 0 || (n ?? "").IndexOf(q, StringComparison.OrdinalIgnoreCase) >= 0;
            var nr = new List<XRow>();
            Action<string, string, IEnumerable<XRow>> group = (key, title, items) =>
            {
                var l = items.ToList();
                if (l.Count == 0) return;
                nr.Add(new XRow { Kind = "head", Group = key, Text = title, Count = l.Count });
                if (!collapsed.Contains(key)) nr.AddRange(l);
            };
            group("in", "Zahtjevi za prijateljstvo", reqs.Where(r => r.Incoming && match(r.Username)).Select(r => new XRow { Kind = "req", R = r }));
            var fs = friends.Where(f => match(f.Username)).OrderBy(f => f.Username, StringComparer.OrdinalIgnoreCase).ToList();
            group("play", "U igri", fs.Where(f => f.Status == "play").Select(f => new XRow { Kind = "friend", F = f }));
            group("on", "Online", fs.Where(f => f.Status != "play" && f.Kind != "off").Select(f => new XRow { Kind = "friend", F = f }));
            group("off", "Offline", fs.Where(f => f.Kind == "off").Select(f => new XRow { Kind = "friend", F = f }));
            group("out", "Poslani zahtjevi", reqs.Where(r => !r.Incoming && match(r.Username)).Select(r => new XRow { Kind = "req", R = r }));
            if (nr.Count == 0) nr.Add(new XRow { Kind = "empty", Text = q.Length > 0 ? "Nitko ne odgovara traženju." : "Još nemaš prijatelja.\nKlikni zeleni + dolje da nekoga dodaš." });
            var sig = string.Join("|", nr.Select(x => x.Kind + (x.Group ?? "") + x.Count + (x.F != null ? x.F.Username : x.R != null ? "r" + x.R.Id : x.Text)).ToArray());
            rows = nr;
            if (sig != lastSig)
            {
                lastSig = sig;
                int top = list.Items.Count > 0 ? list.TopIndex : 0;
                list.BeginUpdate();
                list.Items.Clear();
                foreach (var x in nr) list.Items.Add(x);
                list.EndUpdate();
                if (top < list.Items.Count) list.TopIndex = top;
            }
            else list.Invalidate();
        }

        Rectangle DeclineBtn(Rectangle b) { int s = Theme.D(24); return new Rectangle(b.Right - Theme.D(8) - s, b.Y + (b.Height - s) / 2, s, s); }
        Rectangle AcceptBtn(Rectangle b) { var d = DeclineBtn(b); return new Rectangle(d.X - d.Width - Theme.D(6), d.Y, d.Width, d.Height); }

        // moderni izgled: okrugli avatari, tanki naslovi grupa, igra u boji naglaska
        void DrawModern(DrawItemEventArgs e, XRow r)
        {
            var g = e.Graphics;
            var b = e.Bounds;
            using (var fill = new SolidBrush(Theme.Panel)) g.FillRectangle(fill, b);
            if (r.Kind == "head")
            {
                var hc = r.Group == "in" ? Theme.Accent2 : Theme.Muted;
                Theme.Chevron(g, new RectangleF(b.X + Theme.D(12), b.Y + Theme.D(8), Theme.D(14), b.Height - Theme.D(8)), !collapsed.Contains(r.Group), hc);
                using (var f = Theme.Body(11.5f, FontStyle.Bold))
                    Txt.Draw(g, r.Text.ToUpperInvariant() + " — " + r.Count, f, new Rectangle(b.X + Theme.D(30), b.Y + Theme.D(8), b.Width - Theme.D(46), b.Height - Theme.D(8)), hc);
                return;
            }
            if (r.Kind == "empty")
            {
                using (var f = Theme.Body(13))
                    TextRenderer.DrawText(g, r.Text, f, new Rectangle(b.X + Theme.D(16), b.Y, b.Width - Theme.D(32), b.Height), Theme.Muted, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.WordBreak | TextFormatFlags.NoPrefix);
                return;
            }
            bool hot = e.Index == hover;
            var inner = new Rectangle(b.X + Theme.D(8), b.Y + Theme.D(2), b.Width - Theme.D(16), b.Height - Theme.D(4));
            var bg = hot ? Theme.Panel2 : Theme.Panel;
            if (hot) using (var p = Theme.Round(inner, Theme.D(10))) using (var fill = new SolidBrush(bg)) g.FillPath(fill, p);
            float av = Theme.D(36);
            var ar = new RectangleF(inner.X + Theme.D(8), inner.Y + (inner.Height - av) / 2f, av, av);
            int x = (int)ar.Right + Theme.D(12), right = inner.Right - Theme.D(8);
            if (r.R != null)
            {
                Theme.Avatar(g, ar, r.R.Color, r.R.Username, r.R.Avatar, list, null, bg);
                var db = DeclineBtn(b);
                if (r.R.Incoming)
                {
                    var ab = AcceptBtn(b);
                    using (var fill = new SolidBrush(ab.Contains(mouse) && hot ? Theme.Shade(Theme.On, 0.15f) : Theme.On)) g.FillEllipse(fill, ab);
                    Theme.Check(g, ab, Color.White, 11);
                    right = ab.X - Theme.D(6);
                }
                else right = db.X - Theme.D(6);
                using (var fill = new SolidBrush(db.Contains(mouse) && hot ? Theme.Red : Theme.Panel3)) g.FillEllipse(fill, db);
                Theme.Icon(g, Theme.IcoClose, "✕", db, Color.White, 10);
                using (var f = Theme.Display(14))
                    Txt.Draw(g, r.R.Username, f, new Rectangle(x, inner.Y + Theme.D(7), Math.Max(10, right - x), Theme.D(20)), Theme.Text);
                using (var f = Theme.Body(12))
                    Txt.Draw(g, r.R.Incoming ? "Želi te dodati za prijatelja" : "Čeka da prihvati", f, new Rectangle(x, inner.Y + Theme.D(27), Math.Max(10, right - x), Theme.D(17)), Theme.Muted);
                return;
            }
            var fr = r.F;
            Theme.Avatar(g, ar, fr.Color, fr.Username, fr.Avatar, list, fr.Kind, bg);
            var img = fr.GameIcon != null && fr.Status == "play" ? ImageCache.Get(fr.GameIcon, list) : null;
            if (img != null)
            {
                var ir = new Rectangle(right - Theme.D(28), inner.Y + (inner.Height - Theme.D(28)) / 2, Theme.D(28), Theme.D(28));
                g.DrawImage(Theme.Masked(img, ir.Width, ir.Height, Theme.D(7)), ir.X, ir.Y, ir.Width, ir.Height);
                right = ir.X - Theme.D(8);
            }
            if (fr.Unread > 0) { Theme.Pill(g, fr.Unread > 99 ? "99+" : fr.Unread.ToString(), new Rectangle(x, inner.Y, right - x, inner.Height), true, Color.Empty); right -= Theme.D(28); }
            Color lc;
            var line = Xf.Line(fr, out lc);
            if (fr.Status == "play") lc = Theme.On;
            else if (fr.Voice != null && fr.Kind != "off") lc = Theme.Accent2;
            using (var f = Theme.Display(14))
                Txt.Draw(g, fr.Username, f, new Rectangle(x, inner.Y + Theme.D(7), Math.Max(10, right - x), Theme.D(20)), fr.Kind == "off" ? Theme.Muted : Theme.Text);
            using (var f = Theme.Body(12))
                Txt.Draw(g, line, f, new Rectangle(x, inner.Y + Theme.D(27), Math.Max(10, right - x), Theme.D(17)), lc);
        }

        void DrawRow(object s, DrawItemEventArgs e)
        {
            if (e.Index < 0 || e.Index >= rows.Count) return;
            var r = rows[e.Index];
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var b = e.Bounds;
            if (modern) { DrawModern(e, r); return; }
            if (r.Kind == "head")
            {
                Xf.Gloss(g, b, Xf.Bar1, Xf.Bar2);
                var hc = r.Group == "in" ? Xf.Game : Theme.Text2;
                Theme.Chevron(g, new RectangleF(b.X + Theme.D(4), b.Y, Theme.D(14), b.Height), !collapsed.Contains(r.Group), hc);
                using (var f = Xf.Font(11.5f, FontStyle.Bold))
                    Xf.Draw(g, r.Text + " (" + r.Count + ")", f, new Rectangle(b.X + Theme.D(20), b.Y, b.Width - Theme.D(28), b.Height), hc);
                return;
            }
            using (var fill = new SolidBrush(Theme.Bg)) g.FillRectangle(fill, b);
            if (r.Kind == "empty")
            {
                using (var f = Xf.Font(12))
                    TextRenderer.DrawText(g, r.Text, f, new Rectangle(b.X + Theme.D(12), b.Y, b.Width - Theme.D(24), b.Height), Theme.Muted, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.WordBreak | TextFormatFlags.NoPrefix);
                return;
            }
            bool isSel = r.F != null && r.F.Username == sel, hot = e.Index == hover;
            var bg = isSel ? Theme.Panel3 : hot ? Theme.Panel2 : Theme.Bg;
            if (isSel || hot)
            {
                using (var fill = new LinearGradientBrush(b, Theme.Shade(bg, 0.08f), bg, 90f)) g.FillRectangle(fill, b);
                if (isSel) using (var fill = new SolidBrush(Xf.Orange)) g.FillRectangle(fill, b.X, b.Y, Theme.D(3), b.Height);
            }
            using (var pen = new Pen(Color.FromArgb(40, 255, 255, 255))) g.DrawLine(pen, b.X + Theme.D(48), b.Bottom - 1, b.Right - Theme.D(8), b.Bottom - 1);
            var ar = new Rectangle(b.X + Theme.D(8), b.Y + (b.Height - Theme.D(32)) / 2, Theme.D(32), Theme.D(32));
            int x = ar.Right + Theme.D(8), right = b.Right - Theme.D(8);

            if (r.R != null)
            {
                Xf.Avatar(g, ar, r.R.Color, r.R.Username, r.R.Avatar, list, null, bg);
                var db = DeclineBtn(b);
                if (r.R.Incoming)
                {
                    var ab = AcceptBtn(b);
                    using (var fill = new SolidBrush(ab.Contains(mouse) && hot ? Theme.Shade(Theme.On, 0.15f) : Theme.On)) g.FillEllipse(fill, ab);
                    Theme.Check(g, ab, Color.White, 11);
                    right = ab.X - Theme.D(6);
                }
                else right = db.X - Theme.D(6);
                using (var fill = new SolidBrush(db.Contains(mouse) && hot ? Theme.Shade(Theme.Red, 0.15f) : Theme.Shade(Theme.Red, -0.15f))) g.FillEllipse(fill, db);
                Theme.Icon(g, Theme.IcoClose, "✕", db, Color.White, 10);
                using (var f = Xf.Font(12.5f, FontStyle.Bold))
                    Xf.Draw(g, r.R.Username, f, new Rectangle(x, b.Y + Theme.D(5), Math.Max(10, right - x), Theme.D(18)), Theme.Text);
                using (var f = Xf.Font(11))
                    Xf.Draw(g, r.R.Incoming ? "Želi te dodati za prijatelja" : "Čeka da prihvati", f, new Rectangle(x, b.Y + Theme.D(23), Math.Max(10, right - x), Theme.D(16)), Theme.Muted);
                return;
            }

            var fr = r.F;
            Xf.Avatar(g, ar, fr.Color, fr.Username, fr.Avatar, list, fr.Kind, bg);
            var img = fr.GameIcon != null && fr.Status == "play" ? ImageCache.Get(fr.GameIcon, list) : null;
            if (img != null)
            {
                var ir = new Rectangle(right - Theme.D(24), b.Y + (b.Height - Theme.D(24)) / 2, Theme.D(24), Theme.D(24));
                g.DrawImage(Theme.Masked(img, ir.Width, ir.Height, Theme.D(3)), ir.X, ir.Y, ir.Width, ir.Height);
                right = ir.X - Theme.D(6);
            }
            if (fr.Unread > 0)
            {
                Theme.Pill(g, fr.Unread > 99 ? "99+" : fr.Unread.ToString(), new Rectangle(x, b.Y, right - x, b.Height), true, Color.Empty);
                right -= Theme.D(28);
            }
            Color lc;
            var line = Xf.Line(fr, out lc);
            using (var f = Xf.Font(12.5f, FontStyle.Bold))
                Xf.Draw(g, fr.Username, f, new Rectangle(x, b.Y + Theme.D(5), Math.Max(10, right - x), Theme.D(18)), fr.Kind == "off" ? Theme.Muted : Theme.Text);
            using (var f = Xf.Font(11))
                Xf.Draw(g, line, f, new Rectangle(x, b.Y + Theme.D(23), Math.Max(10, right - x), Theme.D(16)), lc);
        }
    }

    // Moji klanovi
    class XClans : UserControl
    {
        readonly TrayApp app;
        readonly ListBox list = new SmoothList();
        readonly Label empty = new Label();
        readonly Panel bottom = new Panel();
        List<ClanItem> clans = new List<ClanItem>();
        int hover = -1;

        public XClans(TrayApp app)
        {
            this.app = app;
            BackColor = Theme.Bg;
            list.Dock = DockStyle.Fill; list.DrawMode = DrawMode.OwnerDrawFixed; list.ItemHeight = Theme.D(46);
            list.BorderStyle = BorderStyle.None; list.BackColor = Theme.Bg; list.IntegralHeight = false; list.SelectionMode = SelectionMode.None;
            list.DrawItem += DrawRow;
            list.MouseMove += (s, e) => { int i = list.IndexFromPoint(e.Location); if (i != hover) { hover = i; list.Invalidate(); } };
            list.MouseLeave += (s, e) => { hover = -1; list.Invalidate(); };
            list.MouseDown += (s, e) =>
            {
                int i = list.IndexFromPoint(e.Location);
                if (i < 0 || i >= clans.Count) return;
                var c = clans[i];
                if (e.Button == MouseButtons.Right)
                {
                    var menu = Ui.Menu();
                    if (c.Slug != null) menu.Items.Add(new ToolStripMenuItem("Otvori stranicu klana", null, (a, b) => app.Open("/clan/" + Uri.EscapeDataString(c.Slug))));
                    menu.Items.Add(new ToolStripMenuItem("Kopiraj link za pozivanje", null, (a, b) => { try { Clipboard.SetText(Api.Base + "/clan/" + c.Slug); } catch { } }));
                    menu.Items.Add(new ToolStripSeparator());
                    menu.Items.Add(new ToolStripMenuItem(c.Owner ? "Obriši klan" : "Napusti klan", null, (a, b) => app.LeaveClan(c)) { ForeColor = Theme.Red });
                    menu.Show(list, e.Location);
                }
                else if (e.Clicks >= 2 && c.Slug != null) app.Open("/clan/" + Uri.EscapeDataString(c.Slug));
            };
            Theme.DarkScroll(list);
            empty.Dock = DockStyle.Fill; empty.Font = Xf.Font(12.5f); empty.ForeColor = Theme.Muted; empty.BackColor = Theme.Bg;
            empty.TextAlign = ContentAlignment.MiddleCenter; empty.Text = "Nisi ni u jednom klanu.\nNapravi svoj ili se pridruži postojećem.";
            bottom.Dock = DockStyle.Bottom; bottom.Height = Theme.D(48); bottom.BackColor = Theme.Panel;
            var create = new FlatButton("Napravi klan", true) { Font = Theme.Body(13, FontStyle.Bold) };
            var join = new FlatButton("Pridruži se", false) { Font = Theme.Body(13, FontStyle.Bold) };
            create.Click += (s, e) => app.ShowClanForm(false);
            join.Click += (s, e) => app.ShowClanForm(true);
            bottom.Controls.AddRange(new Control[] { create, join });
            bottom.Resize += (s, e) =>
            {
                int pad = Theme.D(8), half = (bottom.Width - pad * 3) / 2;
                create.SetBounds(pad, Theme.D(8), half, Theme.D(32));
                join.SetBounds(pad * 2 + half, Theme.D(8), half, Theme.D(32));
            };
            Controls.Add(list); Controls.Add(empty); Controls.Add(bottom);
            list.BringToFront();
            SetData(clans);
        }

        public void SetData(List<ClanItem> c)
        {
            clans = c;
            list.BeginUpdate();
            list.Items.Clear();
            foreach (var x in c) list.Items.Add(x);
            list.EndUpdate();
            list.Visible = c.Count > 0;
            empty.Visible = c.Count == 0;
        }

        void DrawRow(object s, DrawItemEventArgs e)
        {
            if (e.Index < 0 || e.Index >= clans.Count) return;
            var c = clans[e.Index];
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var b = e.Bounds;
            var bg = e.Index == hover ? Theme.Panel2 : Theme.Bg;
            using (var fill = new SolidBrush(bg)) g.FillRectangle(fill, b);
            using (var pen = new Pen(Color.FromArgb(40, 255, 255, 255))) g.DrawLine(pen, b.X + Theme.D(50), b.Bottom - 1, b.Right - Theme.D(8), b.Bottom - 1);
            var ic = new Rectangle(b.X + Theme.D(8), b.Y + (b.Height - Theme.D(34)) / 2, Theme.D(34), Theme.D(34));
            var col = Theme.Hex(c.Color, Theme.Accent);
            using (var p = Theme.Round(ic, Theme.D(4)))
            {
                using (var fill = new LinearGradientBrush(ic, Theme.Shade(col, 0.2f), Theme.Shade(col, -0.25f), 90f)) g.FillPath(fill, p);
                using (var pen = new Pen(Xf.Border)) g.DrawPath(pen, p);
            }
            var tag = c.Tag ?? "?";
            using (var f = Xf.Font(tag.Length > 3 ? 9.5f : 11.5f, FontStyle.Bold))
                TextRenderer.DrawText(g, tag, f, ic, Color.White, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding | TextFormatFlags.NoPrefix);
            int x = ic.Right + Theme.D(10), w = Math.Max(10, b.Right - x - Theme.D(8));
            using (var f = Xf.Font(12.5f, FontStyle.Bold))
                Xf.Draw(g, c.Name, f, new Rectangle(x, b.Y + Theme.D(6), w, Theme.D(18)), Theme.Text);
            using (var f = Xf.Font(11))
                Xf.Draw(g, c.Owner ? "Ti si vođa · dvoklik otvara stranicu" : "Član · dvoklik otvara stranicu", f, new Rectangle(x, b.Y + Theme.D(24), w, Theme.D(16)), c.Owner ? Xf.Game : Theme.Muted);
        }
    }

    // Donja traka s ikonama
    class XToolbar : Control
    {
        readonly string[] glyphs = { Theme.IcoAdd, Theme.IcoMsg, "", Theme.IcoGlobe, Theme.IcoHead, Theme.IcoGear };
        readonly string[] tips = { "Dodaj prijatelja", "Web messenger", "Screenshot (Scroll Lock)", "Otvori web stranicu", "Postavke zvuka i mikrofona", "Postavke" };
        readonly ToolTip tt = new ToolTip();
        int hover = -1;
        public event Action<int> Clicked;

        public XToolbar()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            Cursor = Cursors.Hand;
        }

        Rectangle Btn(int i) { int s = Theme.D(28), gap = Theme.D(4); int x = Theme.D(6) + i * (s + gap); return new Rectangle(x, (Height - s) / 2, s, s); }
        int Hit(Point p) { for (int i = 0; i < glyphs.Length; i++) if (Btn(i).Contains(p)) return i; return -1; }

        protected override void OnMouseMove(MouseEventArgs e) { int h = Hit(e.Location); if (h != hover) { hover = h; tt.SetToolTip(this, h >= 0 ? tips[h] : null); Invalidate(); } base.OnMouseMove(e); }
        protected override void OnMouseLeave(EventArgs e) { hover = -1; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e) { int h = Hit(e.Location); if (h >= 0 && Clicked != null) Clicked(h); base.OnMouseClick(e); }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            Xf.Gloss(g, ClientRectangle, Xf.Bar1, Xf.Head2);
            for (int i = 0; i < glyphs.Length; i++)
            {
                var r = Btn(i);
                if (i == hover)
                    using (var p = Theme.Round(r, Theme.D(3)))
                    {
                        using (var b = new SolidBrush(Color.FromArgb(45, 255, 255, 255))) g.FillPath(b, p);
                        using (var pen = new Pen(Color.FromArgb(70, 255, 255, 255))) g.DrawPath(pen, p);
                    }
                Theme.Icon(g, glyphs[i], tips[i].Substring(0, 1), r, i == 0 ? Theme.On : i == hover ? Color.White : Theme.Text2, 15);
            }
        }
    }

    // Mali prozor za dodavanje prijatelja
    class XAddFriendForm : DarkForm
    {
        public XAddFriendForm(TrayApp app)
        {
            Text = "Fragline - dodaj prijatelja";
            MinimizeBox = false;
            int W = Theme.D(400), pad = Theme.D(22), inner = W - pad * 2;
            ClientSize = new Size(W, Theme.D(220));
            Controls.Add(Ui.Lbl("Dodaj prijatelja", 19, Theme.Text, pad, Theme.D(16), true));
            Controls.Add(Ui.Lbl("Upiši korisničko ime osobe s Fragline weba.", 13, Theme.Muted, pad, Theme.D(50)));
            var name = new InputBox(false);
            name.SetBounds(pad, Theme.D(80), inner, Theme.D(40));
            name.Box.MaxLength = 32;
            var res = Ui.Lbl("", 13, Theme.On, pad, Theme.D(128));
            res.AutoSize = false; res.Size = new Size(inner, Theme.D(22));
            var close = new FlatButton("Zatvori", false);
            var send = new FlatButton("Pošalji zahtjev", true);
            int half = (inner - Theme.D(10)) / 2;
            close.SetBounds(pad, Theme.D(162), half, Theme.D(40));
            send.SetBounds(pad + half + Theme.D(10), Theme.D(162), half, Theme.D(40));
            close.Click += (s, e) => Close();
            send.Click += async (s, e) =>
            {
                var n = name.Value.Trim();
                if (n.Length == 0) { res.ForeColor = Theme.Red; res.Text = "Upiši korisničko ime."; return; }
                send.Enabled = false;
                var r = await app.AddFriend(n);
                send.Enabled = true;
                res.ForeColor = r.Item1 ? Theme.On : Theme.Red;
                res.Text = r.Item2;
                if (r.Item1) name.Box.Text = "";
                name.Box.Focus();
            };
            Controls.AddRange(new Control[] { name, res, close, send });
            AcceptButton = send;
            Shown += (s, e) => name.Box.Focus();
        }
    }

    // Chat s jednim prijateljem u zasebnom prozoru (kao na Xfireu)
    class XChatForm : DarkForm
    {
        public readonly ChatView View;

        public XChatForm(TrayApp app, Friend f)
        {
            Text = f.Username + " - Fragline";
            FormBorderStyle = FormBorderStyle.Sizable;
            MaximizeBox = true;
            MinimizeBox = true;
            MinimumSize = new Size(Theme.D(360), Theme.D(380));
            ClientSize = new Size(Theme.D(480), Theme.D(560));
            View = new ChatView(app) { Dock = DockStyle.Fill };
            Controls.Add(View);
            View.Open(f);
            Shown += (s, e) => View.FocusInput();
            FormClosed += (s, e) => View.Reset();
        }
    }

    // Postavke u zasebnom prozoru
    class XSettingsForm : DarkForm
    {
        readonly SettingsView settings;

        public XSettingsForm(SettingsView settings)
        {
            this.settings = settings;
            Text = "Fragline - postavke";
            FormBorderStyle = FormBorderStyle.Sizable;
            MaximizeBox = true;
            ClientSize = new Size(Theme.D(600), Theme.D(640));
            settings.Dock = DockStyle.Fill;
            Controls.Add(settings);
        }

        // postavke zive dulje od prozora, pa ih ne smijemo unistiti zajedno s njim
        protected override void OnFormClosing(FormClosingEventArgs e)
        {
            Controls.Remove(settings);
            base.OnFormClosing(e);
        }
    }

    class XfireForm : ShellForm
    {
        readonly XLogo logo = new XLogo();
        readonly XProfile profile = new XProfile();
        readonly XTabs tabs = new XTabs();
        readonly XBuddyList buddies;
        readonly XClans clanList;
        readonly VoiceView voice;
        readonly Panel voicePage = new Panel(), voiceBar = new Panel();
        readonly RoundButton mic = new RoundButton(Theme.IcoMic, "M", "Mikrofon"), deaf = new RoundButton(Theme.IcoHead, "Z", "Zvuk"), leave = new RoundButton(Theme.IcoHangup, "X", "Izađi iz sobe") { Danger = true };
        readonly ActivityView activity;
        readonly ServersView serverList;
        readonly XToolbar toolbar = new XToolbar();
        readonly UpdateBar updateBar = new UpdateBar { Visible = false };
        readonly SettingsView settings;
        readonly Dictionary<string, XChatForm> chats = new Dictionary<string, XChatForm>();
        readonly Timer tick = new Timer { Interval = 250 };
        Control[] pages;
        XSettingsForm settingsForm;
        int ticks;

        public override UserPanel User { get { return profile; } }
        public override VoiceView Voice { get { return voice; } }
        protected override bool ManualLayout { get { return true; } }

        public XfireForm(TrayApp app) : base(app)
        {
            Xf.Init();
            Text = "Fragline";
            FormBorderStyle = FormBorderStyle.Sizable;
            MaximizeBox = false;
            BackColor = Theme.Bg;
            MinimumSize = new Size(Theme.D(300), Theme.D(520));
            var wa = Screen.PrimaryScreen.WorkingArea;
            ClientSize = new Size(Prefs.Int("xf_w", Theme.D(340)), Math.Min(wa.Height - Theme.D(60), Prefs.Int("xf_h", Theme.D(700))));
            StartPosition = FormStartPosition.Manual;
            Location = new Point(Math.Max(wa.Left, wa.Right - Width - Theme.D(24)), wa.Top + Theme.D(30));

            buddies = new XBuddyList(app);
            clanList = new XClans(app) { Visible = false };
            voice = new VoiceView(app);
            voicePage.Visible = false;
            voicePage.BackColor = Theme.Panel;
            voiceBar.Dock = DockStyle.Bottom;
            voiceBar.Height = Theme.D(56);
            voiceBar.BackColor = Theme.Panel;
            var audio = new FlatButton("Zvuk", false) { Font = Theme.Body(13, FontStyle.Bold) };
            audio.Click += (s, e) => app.ShowAudioSettings();
            mic.Click += (s, e) => app.ToggleMute();
            deaf.Click += (s, e) => app.ToggleDeaf();
            leave.Click += (s, e) => app.LeaveVoice();
            voiceBar.Controls.AddRange(new Control[] { mic, deaf, leave, audio });
            voiceBar.Resize += (s, e) =>
            {
                int bs = Theme.D(40), gap = Theme.D(10), y = (voiceBar.Height - bs) / 2;
                mic.SetBounds(Theme.D(10), y, bs, bs);
                deaf.SetBounds(Theme.D(10) + bs + gap, y, bs, bs);
                leave.SetBounds(Theme.D(10) + (bs + gap) * 2, y, bs, bs);
                audio.SetBounds(voiceBar.Width - Theme.D(10) - Theme.D(90), y + Theme.D(4), Theme.D(90), bs - Theme.D(8));
            };
            voice.Dock = DockStyle.Fill;
            voicePage.Controls.Add(voice);
            voicePage.Controls.Add(voiceBar);
            voice.BringToFront();
            activity = new ActivityView(app) { Visible = false };
            settings = new SettingsView(app);
            serverList = new ServersView(app) { Visible = false };
            pages = new Control[] { buddies, clanList, serverList, voicePage, activity };

            Controls.AddRange(new Control[] { updateBar, logo, profile, tabs, buddies, clanList, serverList, voicePage, activity, toolbar });

            tabs.Changed += i => { for (int k = 0; k < pages.Length; k++) pages[k].Visible = k == i; };
            profile.ProfileClicked += pt => StatusMenu(profile, pt);
            profile.MicClicked += () => app.ToggleMute();
            profile.DeafClicked += () => app.ToggleDeaf();
            profile.SettingsClicked += () => ShowSettings();
            toolbar.Clicked += i =>
            {
                if (i == 0) ShowAddFriend();
                else if (i == 1) app.Open("/app");
                else if (i == 2) app.Screenshot();
                else if (i == 3) app.Open("/");
                else if (i == 4) app.ShowAudioSettings();
                else ShowSettings();
            };
            updateBar.UpdateClicked += () => app.DoUpdate();
            updateBar.Closed += () => { updateBar.Visible = false; DoLayout(); };
            tick.Tick += (s, e) => Tick();
            tick.Start();
            DoLayout();
        }

        protected override void OnResize(EventArgs e) { base.OnResize(e); DoLayout(); }

        protected override void OnLoad(EventArgs e) { base.OnLoad(e); DoLayout(); }

        void DoLayout()
        {
            if (buddies == null || activity == null || pages == null) return;
            int e = TitleH > 0 ? Theme.D(3) : 0, x = e, y = TitleH;
            int W = ClientSize.Width - e * 2;
            if (W <= 0) return;
            int ub = updateBar.Visible ? Theme.D(56) : 0;
            updateBar.SetBounds(x, y, W, ub); y += ub;
            // s vlastitom naslovnom trakom logo je vec gore, pa traka s logom nije potrebna
            logo.Visible = TitleH == 0;
            if (logo.Visible) { logo.SetBounds(x, y, W, Theme.D(34)); y += Theme.D(34); }
            profile.SetBounds(x, y, W, Theme.D(80)); y += Theme.D(80);
            tabs.SetBounds(x, y, W, Theme.D(38)); y += Theme.D(38);
            int tb = Theme.D(38);
            toolbar.SetBounds(x, ClientSize.Height - tb - e, W, tb);
            var cr = new Rectangle(x, y, W, Math.Max(10, ClientSize.Height - y - tb - e));
            foreach (var p in pages) p.Bounds = cr;
        }

        void Tick()
        {
            ticks++;
            var vc = App.Voice;
            bool on = vc != null;
            bool muted = on ? vc.Muted : Prefs.Bool("muted", false), deafd = on && vc.Deafened, idle = App.AutoIdle;
            if (profile.Muted != muted || profile.Deaf != deafd || profile.Idle != idle) { profile.Muted = muted; profile.Deaf = deafd; profile.Idle = idle; profile.Invalidate(); }
            if (tabs.VoiceOn != on) { tabs.VoiceOn = on; tabs.Invalidate(); }
            if (mic.Visible != on) { mic.Visible = on; deaf.Visible = on; leave.Visible = on; }
            if (on && (mic.Off != vc.Muted || deaf.Off != vc.Deafened)) { mic.Off = vc.Muted; deaf.Off = vc.Deafened; mic.Invalidate(); deaf.Invalidate(); }
            if (ticks % 20 == 0 && Visible) { if (profile.Game != null) profile.Invalidate(); buddies.Refresh2(); }
        }

        public override void SetFriends(List<Friend> list, int req)
        {
            buddies.SetData(list);
            foreach (var f in list)
            {
                XChatForm cf;
                if (chats.TryGetValue(f.Username, out cf) && !cf.IsDisposed) cf.View.UpdateFriend(f);
            }
            tabs.Badges[0] = list.Sum(f => f.Unread) + req;
            tabs.Invalidate();
        }

        public override void SetRequests(List<FriendReq> r) { buddies.SetRequests(r); }
        public override void SetClans(List<ClanItem> clans) { clanList.SetData(clans); }
        public override void SetShot(string game, string url) { settings.SetShot(game, url); }

        public override void ShowUpdate(string text)
        {
            updateBar.Message = text;
            updateBar.Busy = false;
            updateBar.Visible = true;
            updateBar.Invalidate();
            DoLayout();
        }

        public override void SetUpdateText(string text, bool busy)
        {
            updateBar.Message = text;
            updateBar.Busy = busy;
            if (!updateBar.Visible) { updateBar.Visible = true; DoLayout(); }
            updateBar.Invalidate();
        }

        public override void OpenChat(Friend f)
        {
            XChatForm cf;
            if (!chats.TryGetValue(f.Username, out cf) || cf.IsDisposed)
            {
                cf = new XChatForm(App, f);
                var name = f.Username;
                cf.FormClosed += (s, e) => chats.Remove(name);
                chats[name] = cf;
                // svaki novi chat malo pomaknut, kao kod starih messengera
                var wa = Screen.FromControl(this).WorkingArea;
                cf.StartPosition = FormStartPosition.Manual;
                int n = chats.Count - 1;
                cf.Location = new Point(Math.Max(wa.Left, Left - cf.Width - Theme.D(12) - n * Theme.D(24)), Math.Max(wa.Top, Math.Min(wa.Bottom - cf.Height, Top + n * Theme.D(24))));
                cf.Show();
            }
            else
            {
                if (cf.WindowState == FormWindowState.Minimized) cf.WindowState = FormWindowState.Normal;
                cf.Activate();
            }
        }

        public override bool ChatActive(string u)
        {
            XChatForm cf;
            return chats.TryGetValue(u, out cf) && !cf.IsDisposed && cf.ContainsFocus;
        }

        public override void CloseChat(string user)
        {
            foreach (var kv in chats.ToList())
                if (user == null || kv.Key == user) { try { kv.Value.Close(); } catch { } }
        }

        public override void ShowVoice() { tabs.Selected = 3; }

        public override void ShowAddFriend()
        {
            using (var f = new XAddFriendForm(App)) f.ShowDialog(Visible ? this : null);
        }

        public override void ShowSettings()
        {
            if (settingsForm != null && !settingsForm.IsDisposed) { settingsForm.Activate(); return; }
            settingsForm = new XSettingsForm(settings);
            settingsForm.Show();
        }

        protected override void OnFormClosing(FormClosingEventArgs e)
        {
            if (WindowState == FormWindowState.Normal)
            {
                Prefs.Set("xf_w", ClientSize.Width);
                Prefs.Set("xf_h", ClientSize.Height);
            }
            if (!AllowClose && e.CloseReason == CloseReason.UserClosing)
            {
                e.Cancel = true;
                Hide();
                App.HiddenHint();
            }
            else CloseChat(null);
            base.OnFormClosing(e);
        }
    }
}

// ===================== Servers.cs =====================
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Fragline
{
    class ServerInfo
    {
        public long Id;
        public string Name, Host, Game, GameName, Icon, Title, Map, Folder, GameDesc;
        public int Port, Players, Max, Bots, Ping = -1;
        public bool Official, Mine, Online, Queried, Busy;
        public string Address { get { return Host + ":" + Port; } }
    }

    class PlayerInfo { public string Name; public int Score, Ping = -1; public float Seconds = -1; }

    // Valveov upit za servere (A2S): radi za CS 1.6, CS:S, CS2, TF2, Rust i druge igre koje ga podrzavaju.
    // Upit ide izravno s ovog racunala, pa je ping stvaran.
    static class A2S
    {
        static readonly Dictionary<string, IPAddress> dns = new Dictionary<string, IPAddress>();

        static IPAddress Resolve(string host)
        {
            IPAddress ip;
            if (IPAddress.TryParse(host, out ip)) return ip;
            lock (dns) if (dns.TryGetValue(host, out ip)) return ip;
            ip = Dns.GetHostAddresses(host).FirstOrDefault(a => a.AddressFamily == AddressFamily.InterNetwork);
            if (ip != null) lock (dns) dns[host] = ip;
            return ip;
        }

        static byte[] Packet(byte type, string payload, byte[] challenge)
        {
            var l = new List<byte> { 0xFF, 0xFF, 0xFF, 0xFF, type };
            if (payload != null) { l.AddRange(Encoding.ASCII.GetBytes(payload)); l.Add(0); }
            if (challenge != null) l.AddRange(challenge);
            return l.ToArray();
        }

        static byte[] Exchange(UdpClient udp, IPEndPoint ep, byte[] req)
        {
            udp.Send(req, req.Length, ep);
            var from = new IPEndPoint(IPAddress.Any, 0);
            var data = udp.Receive(ref from);
            if (data.Length < 5) throw new InvalidOperationException("kratak odgovor");
            if (data[0] == 0xFE) throw new NotSupportedException("razlomljen odgovor");
            return data;
        }

        class Reader
        {
            readonly byte[] d;
            public int Pos;
            public Reader(byte[] d, int pos) { this.d = d; Pos = pos; }
            public byte Byte() { return Pos < d.Length ? d[Pos++] : (byte)0; }
            public int Int() { int v = Pos + 4 <= d.Length ? BitConverter.ToInt32(d, Pos) : 0; Pos += 4; return v; }
            public float Float() { float v = Pos + 4 <= d.Length ? BitConverter.ToSingle(d, Pos) : 0; Pos += 4; return v; }
            public string Str()
            {
                int s = Pos;
                while (Pos < d.Length && d[Pos] != 0) Pos++;
                var r = Encoding.UTF8.GetString(d, s, Pos - s);
                Pos++;
                return r;
            }
        }

        public static void Query(ServerInfo s, int timeout = 1500)
        {
            try
            {
                var ip = Resolve(s.Host);
                if (ip == null) throw new InvalidOperationException("nema adrese");
                using (var udp = new UdpClient(ip.AddressFamily))
                {
                    udp.Client.ReceiveTimeout = timeout;
                    var ep = new IPEndPoint(ip, s.Port);
                    var sw = Stopwatch.StartNew();
                    var data = Exchange(udp, ep, Packet(0x54, "Source Engine Query", null));
                    if (data[4] == 0x41 && data.Length >= 9)
                    {
                        // server trazi potvrdu (challenge) pa ponovi upit s njom
                        sw.Restart();
                        data = Exchange(udp, ep, Packet(0x54, "Source Engine Query", data.Skip(5).Take(4).ToArray()));
                    }
                    s.Ping = (int)sw.ElapsedMilliseconds;
                    var r = new Reader(data, 5);
                    if (data[4] == 0x49)
                    {
                        r.Byte();
                        s.Title = r.Str(); s.Map = r.Str(); s.Folder = r.Str(); s.GameDesc = r.Str();
                        r.Byte(); r.Byte();
                        s.Players = r.Byte(); s.Max = r.Byte(); s.Bots = r.Byte();
                    }
                    else if (data[4] == 0x6D)
                    {
                        r.Str();
                        s.Title = r.Str(); s.Map = r.Str(); s.Folder = r.Str(); s.GameDesc = r.Str();
                        s.Players = r.Byte(); s.Max = r.Byte(); s.Bots = 0;
                    }
                    else throw new InvalidOperationException("nepoznat odgovor");
                    s.Online = true;
                }
            }
            catch
            {
                // stariji Call of Duty i Quake serveri ne znaju A2S, pa probaj njihov "getstatus"
                List<PlayerInfo> ignored;
                if (!Q3(s, timeout, out ignored)) { s.Online = false; s.Ping = -1; }
            }
            finally { s.Queried = true; }
        }

        static string StripColors(string t) { return System.Text.RegularExpressions.Regex.Replace(t ?? "", @"\^[0-9a-zA-Z]", ""); }

        // Quake 3 protokol: "statusResponse\n\kljuc\vrijednost...\n" pa redovi igraca: bodovi ping "ime"
        static bool Q3(ServerInfo s, int timeout, out List<PlayerInfo> players)
        {
            players = new List<PlayerInfo>();
            try
            {
                var ip = Resolve(s.Host);
                if (ip == null) return false;
                using (var udp = new UdpClient(ip.AddressFamily))
                {
                    udp.Client.ReceiveTimeout = timeout;
                    var ep = new IPEndPoint(ip, s.Port);
                    var req = new byte[] { 0xFF, 0xFF, 0xFF, 0xFF }.Concat(Encoding.ASCII.GetBytes("getstatus")).ToArray();
                    var sw = Stopwatch.StartNew();
                    udp.Send(req, req.Length, ep);
                    var from = new IPEndPoint(IPAddress.Any, 0);
                    var data = udp.Receive(ref from);
                    var text = Encoding.UTF8.GetString(data, 4, data.Length - 4);
                    if (!text.StartsWith("statusResponse")) return false;
                    var lines = text.Split('\n');
                    if (lines.Length < 2) return false;
                    var kv = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
                    var parts = lines[1].Split('\\');
                    for (int i = 1; i + 1 < parts.Length; i += 2) kv[parts[i]] = parts[i + 1];
                    foreach (var l in lines.Skip(2))
                    {
                        var m = System.Text.RegularExpressions.Regex.Match(l, "^(-?\\d+) (\\d+) \"(.*)\"");
                        if (m.Success) players.Add(new PlayerInfo { Score = int.Parse(m.Groups[1].Value), Ping = int.Parse(m.Groups[2].Value), Name = StripColors(m.Groups[3].Value) });
                    }
                    string v;
                    s.Ping = (int)sw.ElapsedMilliseconds;
                    s.Title = StripColors(kv.TryGetValue("sv_hostname", out v) ? v : s.Name);
                    s.Map = kv.TryGetValue("mapname", out v) ? v : "?";
                    s.Folder = kv.TryGetValue("fs_game", out v) && v.Length > 0 ? v : kv.TryGetValue("gamename", out v) ? v : null;
                    s.GameDesc = kv.TryGetValue("gamename", out v) ? v : null;
                    int max;
                    s.Max = kv.TryGetValue("sv_maxclients", out v) && int.TryParse(v, out max) ? max : 0;
                    s.Players = players.Count;
                    s.Bots = 0;
                    s.Online = true;
                    return true;
                }
            }
            catch { return false; }
        }

        public static List<PlayerInfo> Players(ServerInfo s, int timeout = 2000)
        {
            List<PlayerInfo> viaA2S = null;
            try { viaA2S = PlayersA2S(s, timeout); } catch { }
            if (viaA2S != null && viaA2S.Count > 0) return viaA2S;
            List<PlayerInfo> q3;
            if (Q3(s, timeout, out q3) && q3.Count > 0) return q3.OrderByDescending(p => p.Score).ToList();
            return viaA2S ?? new List<PlayerInfo>();
        }

        static List<PlayerInfo> PlayersA2S(ServerInfo s, int timeout)
        {
            var list = new List<PlayerInfo>();
            var ip = Resolve(s.Host);
            if (ip == null) return list;
            using (var udp = new UdpClient(ip.AddressFamily))
            {
                udp.Client.ReceiveTimeout = timeout;
                var ep = new IPEndPoint(ip, s.Port);
                var data = Exchange(udp, ep, Packet(0x55, null, new byte[] { 0xFF, 0xFF, 0xFF, 0xFF }));
                if (data[4] == 0x41 && data.Length >= 9) data = Exchange(udp, ep, Packet(0x55, null, data.Skip(5).Take(4).ToArray()));
                if (data[4] != 0x44) return list;
                var r = new Reader(data, 5);
                int n = r.Byte();
                for (int i = 0; i < n && r.Pos < data.Length; i++)
                {
                    r.Byte();
                    var p = new PlayerInfo { Name = r.Str(), Score = r.Int(), Seconds = r.Float() };
                    if (p.Name.Length > 0) list.Add(p);
                }
            }
            return list.OrderByDescending(p => p.Score).ToList();
        }

        // Koja igra je na serveru: odabrana pri dodavanju, a ako nije, iz onoga sto server javi
        static string Kind(ServerInfo s)
        {
            var g = (s.Game ?? "").ToLowerInvariant();
            var d = ((s.GameDesc ?? "") + " " + (s.Folder ?? "")).ToLowerInvariant();
            if (g == "cod4" || d.Contains("call of duty 4") || d.Contains("cod4")) return "cod4";
            if (g == "samp" || d.Contains("san andreas multiplayer") || d.Contains("sa-mp")) return "samp";
            if (g == "fivem" || d.Contains("fivem")) return "fivem";
            return "steam";
        }

        public static string JoinUrl(ServerInfo s)
        {
            switch (Kind(s))
            {
                case "cod4": return "cod4://" + s.Address;
                case "samp": return "samp://" + s.Address;
                case "fivem": return "fivem://connect/" + s.Address;
                default: return "steam://connect/" + s.Address;
            }
        }

        public static void Join(TrayApp app, ServerInfo s)
        {
            var url = JoinUrl(s);
            try { Process.Start(url); }
            catch
            {
                try { Clipboard.SetText(s.Address); } catch { }
                var what = url.Substring(0, url.IndexOf(':'));
                app.Tip("Igra se ne može pokrenuti preko " + what + "://. Adresa " + s.Address + " je kopirana, u konzoli igre upiši: connect " + s.Address, ToolTipIcon.Warning);
            }
        }

        public static Color PingColor(int ms) { return ms < 0 ? Theme.Muted : ms < 70 ? Theme.On : ms < 140 ? Theme.Idle : Theme.Red; }
    }

    // Lista game servera (u oba rasporeda)
    class ServersView : UserControl
    {
        readonly TrayApp app;
        readonly Panel bar = new Panel();
        readonly TextBox search = new TextBox();
        readonly Panel searchBox = new Panel();
        readonly DropDown gameFilter = new DropDown();
        readonly FlatButton add = new FlatButton("Dodaj server", true) { Glyph = Theme.IcoAdd }, refreshBtn = new FlatButton("Osvježi", false) { Glyph = "" };
        readonly ListBox list = new SmoothList();
        readonly Label empty = new Label();
        readonly System.Windows.Forms.Timer tick = new System.Windows.Forms.Timer { Interval = 30000 };
        readonly SemaphoreSlim gate = new SemaphoreSlim(12);
        List<ServerInfo> servers = new List<ServerInfo>();
        List<object> rows = new List<object>();
        List<Tuple<string, string>> games = new List<Tuple<string, string>>();
        bool admin, loading, loaded;
        int hover = -1;
        bool overJoin;
        Point mouse;
        string lastSig = "";

        public bool IsAdmin { get { return admin; } }
        public List<Tuple<string, string>> Games { get { return games; } }

        public ServersView(TrayApp app)
        {
            this.app = app;
            BackColor = Theme.Bg;
            bar.BackColor = Theme.Bg;
            searchBox.BackColor = Theme.Bg;
            searchBox.Paint += (s, e) =>
            {
                e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
                using (var p = Theme.Round(new Rectangle(0, 0, searchBox.Width - 1, searchBox.Height - 1), Theme.D(4))) using (var b = new SolidBrush(Theme.Field)) e.Graphics.FillPath(b, p);
            };
            search.BorderStyle = BorderStyle.None;
            search.BackColor = Theme.Field;
            search.ForeColor = Theme.Text;
            search.Font = Theme.Body(13.5f);
            Theme.Cue(search, "Traži server ili mapu");
            search.TextChanged += (s, e) => Rebuild();
            searchBox.Controls.Add(search);
            Ui.Combo(gameFilter);
            gameFilter.Items.Add("Sve igre");
            gameFilter.SelectedIndex = 0;
            gameFilter.SelectedIndexChanged += (s, e) => Rebuild();
            foreach (var b in new[] { add, refreshBtn }) b.Font = Theme.Display(13.5f);
            add.Click += (s, e) => ShowAdd();
            refreshBtn.Click += (s, e) => { if (!loaded) LoadServers(); else QueryAll(); };
            bar.Controls.AddRange(new Control[] { searchBox, gameFilter, add, refreshBtn });

            list.DrawMode = DrawMode.OwnerDrawVariable; list.BorderStyle = BorderStyle.None; list.BackColor = Theme.Bg;
            list.IntegralHeight = false; list.SelectionMode = SelectionMode.None;
            list.MeasureItem += (s, e) => { e.ItemHeight = e.Index >= 0 && e.Index < rows.Count && rows[e.Index] is string ? Theme.D(36) : Theme.D(58); };
            list.DrawItem += DrawRow;
            list.MouseMove += (s, e) =>
            {
                mouse = e.Location;
                int i = list.IndexFromPoint(e.Location);
                bool oj = i >= 0 && i < rows.Count && rows[i] is ServerInfo && JoinBtn(list.GetItemRectangle(i)).Contains(e.Location);
                if (i == hover && oj == overJoin) return;
                hover = i;
                overJoin = oj;
                list.Cursor = i >= 0 && i < rows.Count && rows[i] is ServerInfo ? Cursors.Hand : Cursors.Default;
                list.Invalidate();
            };
            list.MouseLeave += (s, e) => { hover = -1; list.Invalidate(); };
            list.MouseDown += (s, e) =>
            {
                int i = list.IndexFromPoint(e.Location);
                if (i < 0 || i >= rows.Count) return;
                var sv = rows[i] as ServerInfo;
                if (sv == null) return;
                if (e.Button == MouseButtons.Right) { Menu(sv, e.Location); return; }
                if (JoinBtn(list.GetItemRectangle(i)).Contains(e.Location)) A2S.Join(app, sv);
                else if (e.Clicks >= 2) ShowInfo(sv);
            };
            Theme.DarkScroll(list);
            empty.Font = Theme.Body(14); empty.ForeColor = Theme.Muted; empty.BackColor = Theme.Bg; empty.TextAlign = ContentAlignment.MiddleCenter;
            empty.Text = "Učitavam servere...";
            Controls.AddRange(new Control[] { bar, list, empty });
            tick.Tick += (s, e) => { if (Visible && loaded) QueryAll(); };
            tick.Start();
        }

        bool Narrow { get { return Width < Theme.D(560); } }

        protected override void OnResize(EventArgs e)
        {
            base.OnResize(e);
            if (empty == null) return;
            int pad = Theme.D(Narrow ? 8 : 20), h = Theme.D(34);
            int bh = Narrow ? Theme.D(92) : Theme.D(58);
            bar.SetBounds(0, 0, Width, bh);
            int aw = Narrow ? h : TextRenderer.MeasureText(add.Text, add.Font).Width + Theme.D(52);
            int rw = Narrow ? h : TextRenderer.MeasureText(refreshBtn.Text, refreshBtn.Font).Width + Theme.D(52);
            add.Text = Narrow ? "" : "Dodaj server";
            refreshBtn.Text = Narrow ? "" : "Osvježi";
            if (Narrow)
            {
                searchBox.SetBounds(pad, Theme.D(10), Width - pad * 2, h);
                gameFilter.SetBounds(pad, Theme.D(50), Width - pad * 3 - aw - rw - Theme.D(8), h);
                refreshBtn.SetBounds(Width - pad - rw, Theme.D(50), rw, h);
                add.SetBounds(refreshBtn.Left - Theme.D(8) - aw, Theme.D(50), aw, h);
            }
            else
            {
                add.SetBounds(Width - pad - aw, Theme.D(12), aw, h);
                refreshBtn.SetBounds(add.Left - Theme.D(8) - rw, Theme.D(12), rw, h);
                gameFilter.SetBounds(refreshBtn.Left - Theme.D(8) - Theme.D(190), Theme.D(12), Theme.D(190), h);
                searchBox.SetBounds(pad, Theme.D(12), Math.Max(Theme.D(80), gameFilter.Left - Theme.D(8) - pad), h);
            }
            search.SetBounds(Theme.D(10), (h - search.PreferredHeight) / 2, Math.Max(10, searchBox.Width - Theme.D(20)), search.PreferredHeight);
            var lr = new Rectangle(pad, bh, Math.Max(10, Width - pad * 2), Math.Max(10, Height - bh));
            list.Bounds = lr;
            empty.Bounds = lr;
        }

        protected override void OnVisibleChanged(EventArgs e)
        {
            base.OnVisibleChanged(e);
            if (Visible) { if (!loaded) LoadServers(); else QueryAll(); }
        }

        public async void LoadServers()
        {
            if (loading) return;
            loading = true;
            try
            {
                var res = await Task.Run(() => app.ApiGet("/client/servers"));
                var o = J.Parse(res);
                admin = J.B(o, "admin");
                games = J.A(o, "games").Select(g => Tuple.Create(J.S(g, "slug"), J.S(g, "name"))).ToList();
                var old = servers.ToDictionary(x => x.Id);
                var nl = new List<ServerInfo>();
                foreach (var x in J.A(o, "servers"))
                {
                    long id = J.L(x, "id");
                    ServerInfo s;
                    if (!old.TryGetValue(id, out s)) s = new ServerInfo { Id = id };
                    s.Name = J.S(x, "name"); s.Host = J.S(x, "host"); s.Port = (int)J.L(x, "port");
                    s.Game = J.S(x, "game"); s.GameName = J.S(x, "game_name"); s.Icon = J.S(x, "icon");
                    s.Official = J.B(x, "official"); s.Mine = J.B(x, "mine");
                    nl.Add(s);
                }
                servers = nl;
                loaded = true;
                var gsel = gameFilter.SelectedIndex > 0 ? Convert.ToString(gameFilter.Items[gameFilter.SelectedIndex]) : null;
                gameFilter.Items.Clear();
                gameFilter.Items.Add("Sve igre");
                foreach (var gname in servers.Select(x => x.GameName).Where(x => x != null).Distinct().OrderBy(x => x)) gameFilter.Items.Add(gname);
                int gi = gsel != null ? gameFilter.Items.IndexOf(gsel) : 0;
                gameFilter.SelectedIndex = Math.Max(0, gi);
                Rebuild();
                QueryAll();
            }
            catch (WebException ex) { empty.Text = Api.ErrorMessage(ex); empty.Visible = true; list.Visible = false; }
            catch (Exception ex) { empty.Text = "Servere trenutno ne mogu učitati: " + ex.Message; }
            finally { loading = false; }
        }

        // svi serveri istovremeno (najvise 12 odjednom), lista se osvjezava kako koji odgovori
        public void QueryAll()
        {
            foreach (var s in servers.ToList())
            {
                if (s.Busy) continue;
                s.Busy = true;
                var sv = s;
                Task.Run(async () =>
                {
                    await gate.WaitAsync();
                    try { A2S.Query(sv); }
                    finally
                    {
                        gate.Release();
                        sv.Busy = false;
                        try { if (IsHandleCreated) BeginInvoke((Action)Rebuild); } catch { }
                    }
                });
            }
        }

        void Rebuild()
        {
            var q = search.Text.Trim();
            string g = gameFilter.SelectedIndex > 0 ? Convert.ToString(gameFilter.Items[gameFilter.SelectedIndex]) : null;
            Func<ServerInfo, bool> ok = s => (g == null || s.GameName == g) && (q.Length == 0
                || (s.Name ?? "").IndexOf(q, StringComparison.OrdinalIgnoreCase) >= 0 || (s.Title ?? "").IndexOf(q, StringComparison.OrdinalIgnoreCase) >= 0
                || (s.Map ?? "").IndexOf(q, StringComparison.OrdinalIgnoreCase) >= 0 || s.Address.IndexOf(q, StringComparison.OrdinalIgnoreCase) >= 0);
            // online prvi, pa po broju igraca, pa po pingu
            Func<IEnumerable<ServerInfo>, List<ServerInfo>> sort = l => l.Where(ok).OrderByDescending(s => s.Online).ThenByDescending(s => s.Players).ThenBy(s => s.Ping < 0 ? 9999 : s.Ping).ThenBy(s => s.Name).ToList();
            var off = sort(servers.Where(s => s.Official));
            var mine = sort(servers.Where(s => !s.Official));
            var nr = new List<object>();
            if (off.Count > 0) { nr.Add("SLUŽBENI SERVERI — " + off.Count); nr.AddRange(off); }
            if (mine.Count > 0) { nr.Add("MOJI SERVERI — " + mine.Count); nr.AddRange(mine); }
            rows = nr;
            list.Visible = nr.Count > 0;
            empty.Visible = nr.Count == 0;
            if (nr.Count == 0) empty.Text = !loaded ? "Učitavam servere..." : servers.Count == 0 ? "Još nema servera na listi.\nKlikni \"Dodaj server\" i upiši adresu, npr. 95.211.43.191:27015." : "Nijedan server ne odgovara traženju.";
            var sig = string.Join("|", nr.Select(x => x is ServerInfo ? "s" + ((ServerInfo)x).Id : (string)x).ToArray());
            if (sig != lastSig)
            {
                lastSig = sig;
                int top = list.Items.Count > 0 ? list.TopIndex : 0;
                list.BeginUpdate();
                list.Items.Clear();
                foreach (var x in nr) list.Items.Add(x);
                list.EndUpdate();
                if (top < list.Items.Count) list.TopIndex = top;
            }
            else list.Invalidate();
        }

        Rectangle JoinBtn(Rectangle b) { int w = Theme.D(64), h = Theme.D(30); return new Rectangle(b.Right - Theme.D(10) - w, b.Y + (b.Height - h) / 2, w, h); }

        void Menu(ServerInfo s, Point at)
        {
            var menu = Ui.Menu();
            menu.Items.Add(new ToolStripMenuItem("Uđi na server", null, (a, b) => A2S.Join(app, s)) { Font = Theme.Body(13.5f, FontStyle.Bold) });
            menu.Items.Add(new ToolStripMenuItem("Igrači i detalji...", null, (a, b) => ShowInfo(s)));
            menu.Items.Add(new ToolStripMenuItem("Kopiraj adresu (" + s.Address + ")", null, (a, b) => { try { Clipboard.SetText(s.Address); } catch { } }));
            menu.Items.Add(new ToolStripMenuItem("Osvježi", null, (a, b) => Task.Run(() => { A2S.Query(s); try { BeginInvoke((Action)Rebuild); } catch { } })));
            if (s.Mine || (s.Official && admin))
            {
                menu.Items.Add(new ToolStripSeparator());
                menu.Items.Add(new ToolStripMenuItem("Makni s liste", null, (a, b) => Remove(s)) { ForeColor = Theme.Red });
            }
            menu.Show(list, at);
        }

        async void Remove(ServerInfo s)
        {
            if (!Dialog.Confirm(this, "Makni server", "Maknuti server \"" + s.Name + "\" s liste?", "Makni s liste", true, null, s.Official ? "To je službeni server, nestat će svima." : null)) return;
            try
            {
                await Task.Run(() => app.ApiDel("/client/servers/" + s.Id));
                servers.Remove(s);
                Rebuild();
            }
            catch (WebException e) { app.Tip(Api.ErrorMessage(e), ToolTipIcon.Warning); }
            catch { }
        }

        public void ShowAdd()
        {
            using (var f = new ServerAddForm(app, this))
                if (f.ShowDialog(FindForm()) == DialogResult.OK) LoadServers();
        }

        void ShowInfo(ServerInfo s) { new ServerInfoForm(app, s).Show(FindForm()); }

        void DrawRow(object sender, DrawItemEventArgs e)
        {
            if (e.Index < 0 || e.Index >= rows.Count) return;
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var b = e.Bounds;
            using (var fill = new SolidBrush(Theme.Bg)) g.FillRectangle(fill, b);
            var label = rows[e.Index] as string;
            if (label != null)
            {
                using (var f = Theme.Body(12, FontStyle.Bold))
                    Txt.Draw(g, label, f, new Rectangle(b.X + Theme.D(6), b.Y + Theme.D(10), b.Width, b.Height - Theme.D(10)), Theme.Muted);
                return;
            }
            var s = (ServerInfo)rows[e.Index];
            bool hot = e.Index == hover;
            var bg = hot ? Theme.Panel2 : Theme.Bg;
            if (hot) using (var p = Theme.Round(b, Theme.D(8))) using (var fill = new SolidBrush(bg)) g.FillPath(fill, p);
            else using (var pen = new Pen(Theme.Line)) g.DrawLine(pen, b.X + Theme.D(54), b.Bottom - 1, b.Right - Theme.D(6), b.Bottom - 1);

            var ir = new Rectangle(b.X + Theme.D(8), b.Y + (b.Height - Theme.D(38)) / 2, Theme.D(38), Theme.D(38));
            var img = ImageCache.Get(s.Icon, list);
            if (img != null) g.DrawImage(Theme.Masked(img, ir.Width, ir.Height, Theme.D(8)), ir.X, ir.Y, ir.Width, ir.Height);
            else
            {
                using (var p = Theme.Round(ir, Theme.D(8))) using (var fill = new SolidBrush(Theme.Panel3)) g.FillPath(fill, p);
                Theme.Icon(g, Theme.IcoGame, "S", ir, Theme.Muted, 18);
            }
            // status servera: zelena tocka = odgovara
            float ds = Theme.D(12);
            Theme.StatusDot(g, new RectangleF(ir.Right - ds * 0.7f, ir.Bottom - ds * 0.7f, ds, ds), !s.Queried ? "idle" : s.Online ? "online" : "off", bg);

            int x = ir.Right + Theme.D(14), right = b.Right - Theme.D(10);
            var jb = JoinBtn(b);
            if (hot && s.Online)
            {
                bool over = jb.Contains(mouse);
                using (var p = Theme.Round(jb, Theme.D(4))) using (var fill = new SolidBrush(over ? Theme.Shade(Theme.On, -0.15f) : Theme.Shade(Theme.On, -0.05f))) g.FillPath(fill, p);
                using (var f = Theme.Display(13.5f))
                    TextRenderer.DrawText(g, "Uđi", f, jb, Color.White, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
                right = jb.X - Theme.D(10);
            }
            // ping kao obojena oznaka
            string ping = !s.Queried || s.Busy && s.Ping < 0 ? "..." : s.Online ? s.Ping + " ms" : "offline";
            using (var f = Theme.Display(12.5f))
            {
                var psz = TextRenderer.MeasureText(ping, f);
                var pr = new Rectangle(right - psz.Width - Theme.D(14), b.Y + (b.Height - Theme.D(22)) / 2, psz.Width + Theme.D(14), Theme.D(22));
                var pc = s.Online ? A2S.PingColor(s.Ping) : Theme.Muted;
                using (var p = Theme.Round(pr, Theme.D(11))) using (var fill = new SolidBrush(Color.FromArgb(40, pc))) g.FillPath(fill, p);
                TextRenderer.DrawText(g, ping, f, pr, pc, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
                right = pr.X - Theme.D(10);
            }
            int w = Math.Max(10, right - x);
            using (var f = Theme.Display(15))
                Txt.Draw(g, s.Online && !string.IsNullOrEmpty(s.Title) && s.Name == s.Address ? s.Title : s.Name, f, new Rectangle(x, b.Y + Theme.D(9), w, Theme.D(22)), s.Online || !s.Queried ? Theme.Text : Theme.Muted);
            string line;
            if (!s.Queried) line = "Provjeravam server...";
            else if (!s.Online) line = s.Address + " · ne odgovara";
            else line = (s.Map ?? "?") + "  ·  " + s.Players + "/" + s.Max + " igrača" + (s.Bots > 0 ? " (" + s.Bots + " bot" + (s.Bots == 1 ? "" : "a") + ")" : "") + (s.GameName != null && !Narrow ? "  ·  " + s.GameName : "");
            using (var f = Theme.Body(12.5f))
                Txt.Draw(g, line, f, new Rectangle(x, b.Y + Theme.D(31), w, Theme.D(18)), Theme.Muted);
        }
    }

    // Dodavanje servera na listu
    class ServerAddForm : DarkForm
    {
        public ServerAddForm(TrayApp app, ServersView view)
        {
            Text = "Fragline - dodaj server";
            MinimizeBox = false;
            int W = Theme.D(420), pad = Theme.D(24), inner = W - pad * 2;
            bool admin = view.IsAdmin;
            ClientSize = new Size(W, Theme.D(admin ? 430 : 390));
            Controls.Add(Ui.Lbl("Dodaj server", 20, Theme.Text, pad, Theme.D(18), true));
            Controls.Add(Ui.Lbl("Adresa servera s portom, kao u konzoli igre.", 13, Theme.Muted, pad, Theme.D(52)));
            Controls.Add(Ui.Lbl("ADRESA", 12, Theme.Text2, pad, Theme.D(84), true));
            var addr = new InputBox(false);
            addr.SetBounds(pad, Theme.D(106), inner, Theme.D(40));
            Theme.Cue(addr.Box, "npr. 95.211.43.191:27015");
            Controls.Add(Ui.Lbl("IME (NEOBAVEZNO)", 12, Theme.Text2, pad, Theme.D(156), true));
            var name = new InputBox(false);
            name.SetBounds(pad, Theme.D(178), inner, Theme.D(40));
            name.Box.MaxLength = 80;
            Theme.Cue(name.Box, "Ako ostane prazno, piše ime sa servera");
            Controls.Add(Ui.Lbl("IGRA", 12, Theme.Text2, pad, Theme.D(228), true));
            var game = new DropDown();
            Ui.Combo(game);
            game.SetBounds(pad, Theme.D(250), inner, Theme.D(36));
            game.Items.Add("Ostalo / ne znam");
            foreach (var gm in view.Games) game.Items.Add(gm.Item2);
            game.SelectedIndex = 0;
            var official = new Toggle();
            int y = Theme.D(298);
            if (admin)
            {
                Controls.Add(Ui.Lbl("Službeni server (vide ga svi)", 13.5f, Theme.Text, pad, y + Theme.D(2)));
                official.Location = new Point(W - pad - official.Width, y);
                Controls.Add(official);
                y += Theme.D(40);
            }
            var err = Ui.Lbl("", 13, Theme.Red, pad, y);
            err.AutoSize = false; err.Size = new Size(inner, Theme.D(22));
            var cancel = new FlatButton("Odustani", false);
            var ok = new FlatButton("Dodaj server", true);
            int half = (inner - Theme.D(10)) / 2;
            cancel.SetBounds(pad, ClientSize.Height - Theme.D(60), half, Theme.D(40));
            ok.SetBounds(pad + half + Theme.D(10), ClientSize.Height - Theme.D(60), half, Theme.D(40));
            cancel.Click += (s, e) => Close();
            ok.Click += async (s, e) =>
            {
                var a = addr.Value.Trim().Replace("connect ", "").Trim();
                int port = 27015;
                string host = a;
                int ci = a.LastIndexOf(':');
                if (ci > 0 && !int.TryParse(a.Substring(ci + 1), out port)) { err.Text = "Port iza dvotočke mora biti broj."; return; }
                if (ci > 0) host = a.Substring(0, ci);
                if (host.Length == 0) { err.Text = "Upiši adresu servera."; return; }
                var body = new Dictionary<string, object> { { "host", host }, { "port", port }, { "name", name.Value.Trim() } };
                if (game.SelectedIndex > 0) body["game"] = view.Games[game.SelectedIndex - 1].Item1;
                if (admin && official.Checked) body["official"] = true;
                ok.Enabled = false;
                err.Text = "";
                try
                {
                    var res = await Task.Run(() => app.ApiPost("/client/servers", body));
                    app.Tip(Api.Field(res, "message") ?? "Server je dodan.");
                    DialogResult = DialogResult.OK;
                    Close();
                }
                catch (WebException ex) { err.Text = Api.ErrorMessage(ex); }
                catch (Exception ex) { err.Text = ex.Message; }
                finally { if (!IsDisposed) ok.Enabled = true; }
            };
            Controls.AddRange(new Control[] { addr, name, game, err, cancel, ok });
            AcceptButton = ok;
            Shown += (s, e) => addr.Box.Focus();
        }
    }

    // Detalji servera i popis igraca
    class ServerInfoForm : DarkForm
    {
        readonly TrayApp app;
        readonly ServerInfo s;
        readonly ListBox players = new SmoothList();
        readonly Label info, state;
        List<PlayerInfo> list = new List<PlayerInfo>();

        public ServerInfoForm(TrayApp app, ServerInfo s)
        {
            this.app = app;
            this.s = s;
            Text = s.Name + " - Fragline";
            FormBorderStyle = FormBorderStyle.Sizable;
            MinimizeBox = true;
            int W = Theme.D(440), pad = Theme.D(20);
            ClientSize = new Size(W, Theme.D(520));
            MinimumSize = new Size(Theme.D(360), Theme.D(400));
            var title = new Label { Text = string.IsNullOrEmpty(s.Title) ? s.Name : s.Title, Font = Theme.Body(18, FontStyle.Bold), ForeColor = Theme.Text, AutoEllipsis = true, BackColor = Theme.Bg };
            title.SetBounds(pad, Theme.D(16), W - pad * 2, Theme.D(30));
            info = new Label { Font = Theme.Body(13), ForeColor = Theme.Muted, BackColor = Theme.Bg, AutoEllipsis = true };
            info.SetBounds(pad, Theme.D(48), W - pad * 2, Theme.D(40));
            state = new Label { Text = "IGRAČI", Font = Theme.Body(12, FontStyle.Bold), ForeColor = Theme.Muted, BackColor = Theme.Bg };
            state.SetBounds(pad, Theme.D(96), W - pad * 2, Theme.D(20));
            players.SetBounds(pad, Theme.D(120), W - pad * 2, ClientSize.Height - Theme.D(120) - Theme.D(76));
            players.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Bottom;
            title.Anchor = info.Anchor = state.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
            players.DrawMode = DrawMode.OwnerDrawFixed; players.ItemHeight = Theme.D(34); players.BorderStyle = BorderStyle.None;
            players.BackColor = Theme.Panel; players.IntegralHeight = false; players.SelectionMode = SelectionMode.None;
            players.DrawItem += DrawPlayer;
            Theme.DarkScroll(players);
            var copy = new FlatButton("Kopiraj adresu", false);
            var join = new FlatButton("Uđi na server", true) { Back = Theme.Shade(Theme.On, -0.1f) };
            int half = (W - pad * 2 - Theme.D(10)) / 2;
            copy.SetBounds(pad, ClientSize.Height - Theme.D(58), half, Theme.D(40));
            join.SetBounds(pad + half + Theme.D(10), ClientSize.Height - Theme.D(58), half, Theme.D(40));
            copy.Anchor = AnchorStyles.Bottom | AnchorStyles.Left;
            join.Anchor = AnchorStyles.Bottom | AnchorStyles.Right;
            copy.Click += (a, b) => { try { Clipboard.SetText(s.Address); app.Tip("Adresa " + s.Address + " je kopirana."); } catch { } };
            join.Click += (a, b) => A2S.Join(app, s);
            Controls.AddRange(new Control[] { title, info, state, players, copy, join });
            UpdateInfo();
            Shown += (a, b) => Reload();
        }

        void UpdateInfo()
        {
            info.Text = s.Address + (s.GameName != null ? "  ·  " + s.GameName : "") + "\n"
                + (s.Online ? "Mapa " + s.Map + "  ·  " + s.Players + "/" + s.Max + " igrača  ·  ping " + s.Ping + " ms" : s.Queried ? "Server trenutno ne odgovara." : "Provjeravam...");
        }

        async void Reload()
        {
            state.Text = "IGRAČI · učitavam...";
            try
            {
                await Task.Run(() => A2S.Query(s));
                UpdateInfo();
                list = await Task.Run(() => A2S.Players(s));
                players.BeginUpdate();
                players.Items.Clear();
                foreach (var p in list) players.Items.Add(p);
                players.EndUpdate();
                state.Text = "IGRAČI — " + list.Count + (list.Count == 0 && s.Online ? " (prazno ili server skriva igrače)" : "");
            }
            catch { state.Text = s.Online ? "IGRAČI · server ne daje popis igrača" : "IGRAČI · server ne odgovara"; }
        }

        void DrawPlayer(object sender, DrawItemEventArgs e)
        {
            if (e.Index < 0 || e.Index >= list.Count) return;
            var p = list[e.Index];
            var g = e.Graphics;
            var b = e.Bounds;
            using (var fill = new SolidBrush(e.Index % 2 == 0 ? Theme.Panel : Theme.Shade(Theme.Panel, Theme.Light ? -0.03f : 0.03f))) g.FillRectangle(fill, b);
            var t = TimeSpan.FromSeconds(Math.Max(0, p.Seconds));
            string time = p.Seconds < 0 ? (p.Ping >= 0 ? p.Ping + " ms" : "") : t.TotalHours >= 1 ? (int)t.TotalHours + " h " + t.Minutes + " min" : t.Minutes + " min";
            using (var f = Theme.Body(13))
            {
                Txt.Draw(g, (e.Index + 1) + ".", f, new Rectangle(b.X + Theme.D(10), b.Y, Theme.D(30), b.Height), Theme.Muted);
                Txt.Draw(g, time, f, new Rectangle(b.Right - Theme.D(90), b.Y, Theme.D(80), b.Height), Theme.Muted, TextFormatFlags.Right);
                Txt.Draw(g, p.Score.ToString(), f, new Rectangle(b.Right - Theme.D(150), b.Y, Theme.D(50), b.Height), Theme.Text2, TextFormatFlags.Right);
            }
            using (var f = Theme.Display(13.5f))
                Txt.Draw(g, p.Name, f, new Rectangle(b.X + Theme.D(42), b.Y, Math.Max(10, b.Width - Theme.D(200)), b.Height), Theme.Text);
        }
    }
}

// ===================== ServerDetect.cs =====================
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Runtime.InteropServices;

namespace Fragline
{
    // Prepoznavanje game servera na kojem korisnik igra, iz mrežnih veza procesa igre.
    // TCP igre (Minecraft, Metin2, FiveM): GetExtendedTcpTable daje udaljenu adresu.
    // UDP igre (CS 1.6/CS2, Rust, SA-MP): udaljena adresa se NE vidi bez ETW-a
    //   (Microsoft-Windows-Kernel-Network + admin prava). Bez toga tiho preskačemo,
    //   kako nalaže specifikacija.
    static class ServerScan
    {
        [DllImport("user32.dll")] static extern IntPtr GetForegroundWindow();
        [DllImport("user32.dll")] static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint pid);
        [DllImport("iphlpapi.dll", SetLastError = true)]
        static extern uint GetExtendedTcpTable(IntPtr pTcpTable, ref int dwSize, bool sort, int ipVersion, int tblClass, int reserved);

        [StructLayout(LayoutKind.Sequential)]
        struct TcpRow { public uint state, local, localPort, remote, remotePort, pid; }

        const int AF_INET = 2, TCP_TABLE_OWNER_PID_ALL = 5, MIB_ESTABLISHED = 5;

        // PID procesa u prvom planu (igra u fullscreenu/fokusu).
        public static int ForegroundPid()
        {
            try { uint p; GetWindowThreadProcessId(GetForegroundWindow(), out p); return (int)p; }
            catch { return 0; }
        }

        // Najčešća javna udaljena TCP adresa procesa, kao "ip:port", ili null.
        public static string Best(int pid)
        {
            if (pid <= 0) return null;
            return Remotes(pid).GroupBy(x => x).OrderByDescending(g => g.Count()).Select(g => g.Key).FirstOrDefault();
        }

        static List<string> Remotes(int pid)
        {
            var outp = new List<string>();
            int size = 0;
            GetExtendedTcpTable(IntPtr.Zero, ref size, false, AF_INET, TCP_TABLE_OWNER_PID_ALL, 0);
            if (size <= 0) return outp;
            IntPtr buf = Marshal.AllocHGlobal(size);
            try
            {
                if (GetExtendedTcpTable(buf, ref size, false, AF_INET, TCP_TABLE_OWNER_PID_ALL, 0) != 0) return outp;
                int n = Marshal.ReadInt32(buf);
                int rowSz = Marshal.SizeOf(typeof(TcpRow));
                IntPtr p = new IntPtr(buf.ToInt64() + 4);
                for (int i = 0; i < n; i++)
                {
                    var row = (TcpRow)Marshal.PtrToStructure(p, typeof(TcpRow));
                    p = new IntPtr(p.ToInt64() + rowSz);
                    if ((int)row.pid != pid || row.state != MIB_ESTABLISHED) continue;
                    var ip = new IPAddress((long)row.remote).ToString();
                    int port = (int)(((row.remotePort & 0xFF) << 8) | ((row.remotePort >> 8) & 0xFF));
                    if (port <= 0 || !IsPublic(ip)) continue;
                    outp.Add(ip + ":" + port);
                }
            }
            catch { }
            finally { Marshal.FreeHGlobal(buf); }
            return outp;
        }

        // Preskoči privatne, loopback, link-local i Valve/Steam relay rasponove.
        static bool IsPublic(string ip)
        {
            var p = ip.Split('.');
            if (p.Length != 4) return false;
            int a, b;
            if (!int.TryParse(p[0], out a) || !int.TryParse(p[1], out b)) return false;
            if (a == 0 || a == 10 || a == 127) return false;
            if (a == 172 && b >= 16 && b <= 31) return false;
            if (a == 192 && b == 168) return false;
            if (a == 169 && b == 254) return false;
            if (a == 155 && b == 133) return false; // Steam relay
            if (a == 162 && b == 254) return false; // Steam relay
            if (a == 185 && b == 25) return false;  // Steam relay
            return true;
        }
    }
}

// ===================== Lfg.cs =====================
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

namespace Fragline
{
    // "Looking for group": popis oglasa igrača koji traže ekipu.
    // Kartice s gumbom "Javi se" / "Odjavi se" / "Zatvori"; "Objavi oglas" otvara obrazac. Osvježava se svakih 60 s.
    class LfgList : Control
    {
        readonly TrayApp app;
        List<LfgItem> items = new List<LfgItem>();
        readonly List<Rectangle> joinRects = new List<Rectangle>();
        Rectangle objaviRect;
        int hover = -1, scroll;
        bool objaviHot;

        int CardH { get { return Theme.D(104); } }
        int TopH { get { return Theme.D(52); } }

        public LfgList(TrayApp app)
        {
            this.app = app;
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            BackColor = Theme.Bg;
        }

        public void SetData(List<LfgItem> list)
        {
            items = list ?? new List<LfgItem>();
            ClampScroll();
            Invalidate();
        }

        void ClampScroll()
        {
            int max = Math.Max(0, items.Count * CardH - (Height - TopH) + Theme.D(12));
            if (scroll > max) scroll = max;
            if (scroll < 0) scroll = 0;
        }

        protected override void OnResize(EventArgs e) { base.OnResize(e); ClampScroll(); Invalidate(); }
        protected override void OnMouseWheel(MouseEventArgs e) { scroll -= e.Delta; ClampScroll(); Invalidate(); base.OnMouseWheel(e); }

        int HitCard(Point p) { for (int i = 0; i < joinRects.Count; i++) if (joinRects[i] != Rectangle.Empty && joinRects[i].Contains(p)) return i; return -1; }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            int h = HitCard(e.Location);
            bool oh = objaviRect.Contains(e.Location);
            if (h != hover || oh != objaviHot) { hover = h; objaviHot = oh; Cursor = (h >= 0 || oh) ? Cursors.Hand : Cursors.Default; Invalidate(); }
            base.OnMouseMove(e);
        }
        protected override void OnMouseLeave(EventArgs e) { hover = -1; objaviHot = false; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e)
        {
            if (objaviRect.Contains(e.Location)) { app.NewLfg(); return; }
            int h = HitCard(e.Location);
            if (h >= 0 && h < items.Count)
            {
                var it = items[h];
                if (it.Mine) app.LfgAction(it.Id, true);
                else if (it.JoinedByMe) app.LfgAction(it.Id, false);
                else app.JoinLfg(it.Id);
            }
            base.OnMouseClick(e);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.Clear(Theme.Bg);
            g.SmoothingMode = SmoothingMode.AntiAlias;
            joinRects.Clear();
            const TextFormatFlags mid = TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding;
            int pad = Theme.D(16);

            // "Objavi oglas" gore desno
            using (var f = Theme.Display(13.5f))
            {
                int w = TextRenderer.MeasureText("Objavi oglas", f).Width + Theme.D(28), h = Theme.D(34);
                objaviRect = new Rectangle(Width - pad - w, Theme.D(9), w, h);
                using (var p = Theme.Round(objaviRect, h / 2f))
                using (var b = new SolidBrush(objaviHot ? Theme.Shade(Theme.Button, -0.12f) : Theme.Button)) g.FillPath(b, p);
                TextRenderer.DrawText(g, "Objavi oglas", f, objaviRect, Theme.OnAccent, mid);
            }
            using (var f = Theme.Body(13))
                TextRenderer.DrawText(g, "Igrači koji traže ekipu", f, new Rectangle(pad, Theme.D(16), Width - pad * 3, Theme.D(22)), Theme.Muted,
                    TextFormatFlags.VerticalCenter | TextFormatFlags.NoPrefix);

            if (items.Count == 0)
            {
                using (var f = Theme.Body(14))
                    TextRenderer.DrawText(g, "Trenutno nema oglasa. Budi prvi i klikni \"Objavi oglas\".", f, new Rectangle(pad, TopH + Theme.D(30), Width - pad * 2, Theme.D(40)), Theme.Muted, mid);
                return;
            }

            var clip = new Rectangle(0, TopH, Width, Height - TopH);
            g.SetClip(clip);
            for (int i = 0; i < items.Count; i++)
            {
                joinRects.Add(Rectangle.Empty);
                var it = items[i];
                var r = new Rectangle(pad, TopH + i * CardH - scroll + Theme.D(5), Width - pad * 2, CardH - Theme.D(10));
                if (r.Bottom < TopH || r.Top > Height) continue;
                bool hot = i == hover;
                using (var p = Theme.Round(r, Theme.D(14)))
                {
                    using (var b = new SolidBrush(Theme.Panel)) g.FillPath(b, p);
                    using (var pen = new Pen(hot ? Color.FromArgb(120, Theme.Accent) : Theme.Line)) g.DrawPath(pen, p);
                }
                int x = r.X + Theme.D(16), top = r.Y + Theme.D(12);
                using (var f = Theme.Display(15))
                    Txt.Draw(g, string.IsNullOrEmpty(it.GameName) ? (it.Game ?? "Igra") : it.GameName, f, new Rectangle(x, top, r.Width - Theme.D(150), Theme.D(22)), Theme.Accent2);
                using (var f = Theme.Body(12))
                    Txt.Draw(g, "oglas: " + (it.Author ?? "?"), f, new Rectangle(x, top + Theme.D(23), r.Width - Theme.D(150), Theme.D(18)), Theme.Muted);
                if (!string.IsNullOrEmpty(it.Note))
                    using (var f = Theme.Body(13.5f))
                        TextRenderer.DrawText(g, it.Note, f, new Rectangle(x, top + Theme.D(44), r.Width - Theme.D(150), Theme.D(22)), Theme.Text2, TextFormatFlags.EndEllipsis | TextFormatFlags.NoPrefix);
                int inTeam = (it.Joined != null ? it.Joined.Count : 0) + 1;
                var meta = inTeam + "/" + (it.Slots + 1) + " u ekipi  ·  istječe za " + it.ExpiresMin + " min";
                using (var f = Theme.Body(12))
                    Txt.Draw(g, meta, f, new Rectangle(x, r.Bottom - Theme.D(22), r.Width - Theme.D(150), Theme.D(18)), Theme.Muted);

                // desno: gumb "Javi se" ili status
                int bw = Theme.D(110), bh = Theme.D(34);
                var br = new Rectangle(r.Right - bw - Theme.D(16), r.Y + (r.Height - bh) / 2, bw, bh);
                if (it.Mine || it.JoinedByMe)
                {
                    // svoj oglas se moze zatvoriti, a s tudeg se moze odjaviti
                    joinRects[i] = br;
                    var c = it.Mine ? Theme.Red : Theme.Muted;
                    using (var p = Theme.Round(br, bh / 2f))
                    {
                        if (hot) using (var b = new SolidBrush(Color.FromArgb(40, c))) g.FillPath(b, p);
                        using (var pen = new Pen(c, Theme.D(1.5f))) g.DrawPath(pen, p);
                    }
                    using (var f = Theme.Display(13)) TextRenderer.DrawText(g, it.Mine ? "Zatvori" : "Odjavi se", f, br, it.Mine ? Theme.Red : Theme.Text2, mid);
                    using (var f = Theme.Body(11.5f))
                        TextRenderer.DrawText(g, it.Mine ? "tvoj oglas" : "prijavljen ✓", f, new Rectangle(br.X, br.Bottom + Theme.D(2), br.Width, Theme.D(16)), it.Mine ? Theme.Muted : Theme.On, TextFormatFlags.HorizontalCenter | TextFormatFlags.NoPrefix);
                }
                else
                {
                    joinRects[i] = br;
                    using (var p = Theme.Round(br, bh / 2f))
                    using (var b = new LinearGradientBrush(br, Theme.Accent, Theme.Accent2, 0f)) g.FillPath(b, p);
                    using (var f = Theme.Display(13.5f)) TextRenderer.DrawText(g, "Javi se", f, br, Color.White, mid);
                }
            }
            g.ResetClip();
        }
    }
}

namespace Fragline
{
    class GameItem { public string Slug, Name; public override string ToString() { return Name; } }

    // Novi oglas "tražim ekipu": sprema se na server i odmah se vidi i na webu (/lfg)
    class LfgCreateForm : DarkForm
    {
        readonly TrayApp app;
        readonly DropDown game = new DropDown(), slots = new DropDown(), dur = new DropDown();
        readonly InputBox note = new InputBox(false);
        readonly Label err, count;
        readonly FlatButton ok = new FlatButton("Objavi oglas", true), cancel = new FlatButton("Odustani", false);
        static readonly int[] Minutes = { 30, 60, 120, 240 };

        public LfgCreateForm(TrayApp app, List<GameItem> games)
        {
            this.app = app;
            Text = "Fragline - novi oglas";
            MinimizeBox = false;
            int W = Theme.D(420), pad = Theme.D(24), inner = W - pad * 2;
            ClientSize = new Size(W, Theme.D(470));
            Controls.Add(Ui.Lbl("Tražim ekipu", 20, Theme.Text, pad, Theme.D(20), true));
            Controls.Add(Ui.Lbl("Oglas se objavljuje i na webu, u rubrici LFG.", 12.5f, Theme.Muted, pad, Theme.D(52)));
            Controls.Add(Ui.Lbl("Igra", 13, Theme.Muted, pad, Theme.D(86)));
            Ui.Combo(game); game.SetBounds(pad, Theme.D(108), inner, Theme.D(38));
            foreach (var g in games) game.Items.Add(g);
            var cur = app.CurrentGame;
            int gi = cur == null ? -1 : games.FindIndex(g => g.Name == cur);
            if (game.Items.Count > 0) game.SelectedIndex = Math.Max(0, gi);
            int half = (inner - Theme.D(12)) / 2;
            Controls.Add(Ui.Lbl("Koliko igrača tražiš", 13, Theme.Muted, pad, Theme.D(154)));
            Ui.Combo(slots); slots.SetBounds(pad, Theme.D(176), half, Theme.D(38));
            for (int i = 1; i <= 9; i++) slots.Items.Add(i == 1 ? "1 igrača" : i + " igrača");
            slots.SelectedIndex = 2;
            Controls.Add(Ui.Lbl("Oglas traje", 13, Theme.Muted, pad + half + Theme.D(12), Theme.D(154)));
            Ui.Combo(dur); dur.SetBounds(pad + half + Theme.D(12), Theme.D(176), half, Theme.D(38));
            dur.Items.AddRange(new object[] { "30 minuta", "1 sat", "2 sata", "4 sata" });
            dur.SelectedIndex = 1;
            Controls.Add(Ui.Lbl("Poruka (nije obavezno)", 13, Theme.Muted, pad, Theme.D(226)));
            note.SetBounds(pad, Theme.D(248), inner, Theme.D(42));
            note.Box.MaxLength = 140;
            count = Ui.Lbl("0/140", 11.5f, Theme.Muted, pad, Theme.D(294));
            count.AutoSize = false; count.Size = new Size(inner, Theme.D(18)); count.TextAlign = ContentAlignment.TopRight;
            Controls.Add(Ui.Lbl("npr. \"Treba nam još dvoje za 5v5, mic obavezan\"", 11.5f, Theme.Muted, pad, Theme.D(294)));
            err = Ui.Lbl(games.Count == 0 ? "Popis igara nije dostupan. Pokušaj ponovno kasnije." : "", 13, Theme.Red, pad, Theme.D(326));
            err.AutoSize = false; err.Size = new Size(inner, Theme.D(56));
            cancel.SetBounds(pad, Theme.D(400), half, Theme.D(42));
            ok.SetBounds(pad + half + Theme.D(12), Theme.D(400), half, Theme.D(42));
            ok.Enabled = games.Count > 0;
            Controls.AddRange(new Control[] { game, slots, dur, note, count, err, cancel, ok });

            note.Box.TextChanged += (s, e) => count.Text = note.Value.Length + "/140";
            cancel.Click += (s, e) => Close();
            ok.Click += async (s, e) =>
            {
                var g = game.SelectedItem as GameItem;
                if (g == null) { err.Text = "Odaberi igru."; return; }
                ok.Enabled = false;
                ok.Text = "Objavljujem...";
                var error = await app.CreateLfg(g.Slug, slots.SelectedIndex + 1, Minutes[Math.Max(0, dur.SelectedIndex)], note.Value.Trim());
                ok.Enabled = true;
                ok.Text = "Objavi oglas";
                if (error != null) { err.Text = error; return; }
                DialogResult = DialogResult.OK;
                Close();
            };
            AcceptButton = ok;
        }
    }
}

// ===================== Notifs.cs =====================
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

namespace Fragline
{
    // Popis obavijesti (komentari, lajkovi, spomeni) za karticu "Obavijesti".
    // Custom-crtani redovi s vlastitim kotacicem; klik otvara url u pregledniku.
    class NotifList : Control
    {
        List<NotifItem> items = new List<NotifItem>();
        readonly List<Rectangle> rows = new List<Rectangle>();
        int hover = -1, scroll;

        int RowH { get { return Theme.D(66); } }

        public NotifList()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            BackColor = Theme.Bg;
        }

        public void SetData(List<NotifItem> list)
        {
            items = list ?? new List<NotifItem>();
            ClampScroll();
            Invalidate();
        }

        void ClampScroll()
        {
            int max = Math.Max(0, items.Count * RowH - Height + Theme.D(12));
            if (scroll > max) scroll = max;
            if (scroll < 0) scroll = 0;
        }

        protected override void OnResize(EventArgs e) { base.OnResize(e); ClampScroll(); Invalidate(); }
        protected override void OnMouseWheel(MouseEventArgs e) { scroll -= e.Delta; ClampScroll(); Invalidate(); base.OnMouseWheel(e); }

        int Hit(Point p) { for (int i = 0; i < rows.Count; i++) if (rows[i].Contains(p)) return i; return -1; }

        protected override void OnMouseMove(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h != hover) { hover = h; Cursor = h >= 0 && h < items.Count && items[h].Url != null ? Cursors.Hand : Cursors.Default; Invalidate(); }
            base.OnMouseMove(e);
        }
        protected override void OnMouseLeave(EventArgs e) { hover = -1; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h >= 0 && h < items.Count && items[h].Url != null) { try { System.Diagnostics.Process.Start(items[h].Url); } catch { } }
            base.OnMouseClick(e);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.Clear(Theme.Bg);
            g.SmoothingMode = SmoothingMode.AntiAlias;
            rows.Clear();
            const TextFormatFlags mid = TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding;
            if (items.Count == 0)
            {
                using (var f = Theme.Body(14))
                    TextRenderer.DrawText(g, "Još nemaš obavijesti. Komentari, lajkovi i spomeni stizat će ovdje.", f, new Rectangle(Theme.D(20), Theme.D(40), Width - Theme.D(40), Theme.D(40)), Theme.Muted, mid);
                return;
            }
            int pad = Theme.D(16);
            for (int i = 0; i < items.Count; i++)
            {
                rows.Add(new Rectangle(0, i * RowH - scroll, Width, RowH));
                var r = new Rectangle(pad, i * RowH - scroll + Theme.D(5), Width - pad * 2, RowH - Theme.D(10));
                if (r.Bottom < 0 || r.Top > Height) continue;
                var it = items[i];
                bool hot = i == hover;
                var cc = Theme.Hex(it.WhoColor, Theme.Accent);
                using (var p = Theme.Round(r, Theme.D(12)))
                using (var b = new SolidBrush(hot ? Theme.Panel2 : Theme.Panel)) g.FillPath(b, p);

                var ic = new Rectangle(r.X + Theme.D(12), r.Y + (r.Height - Theme.D(38)) / 2, Theme.D(38), Theme.D(38));
                using (var b = new SolidBrush(Theme.Shade(cc, -0.55f))) g.FillEllipse(b, ic);
                using (var f = Theme.Body(17))
                    TextRenderer.DrawText(g, string.IsNullOrEmpty(it.Icon) ? "•" : it.Icon, f, ic, cc, mid);

                int tx = ic.Right + Theme.D(12), tw = r.Right - tx - Theme.D(74);
                using (var f = Theme.Display(13.5f))
                    Txt.Draw(g, string.IsNullOrEmpty(it.Who) ? "Fragline" : it.Who, f, new Rectangle(tx, r.Y + Theme.D(9), tw, Theme.D(20)), cc);
                var body = (it.Text ?? "") + (string.IsNullOrEmpty(it.Extra) ? "" : "  —  " + it.Extra);
                using (var f = Theme.Body(13))
                    TextRenderer.DrawText(g, body, f, new Rectangle(tx, r.Y + Theme.D(30), tw, Theme.D(22)), Theme.Text2,
                        TextFormatFlags.EndEllipsis | TextFormatFlags.NoPrefix);
                using (var f = Theme.Body(11.5f))
                    Txt.Draw(g, it.Ago ?? "", f, new Rectangle(r.Right - Theme.D(70), r.Y + Theme.D(10), Theme.D(62), Theme.D(16)), Theme.Muted);
                if (it.New)
                    using (var b = new SolidBrush(Theme.Accent2)) g.FillEllipse(b, r.Right - Theme.D(18), r.Y + r.Height / 2 - Theme.D(3), Theme.D(7), Theme.D(7));
            }
        }
    }
}

// ===================== Popups.cs =====================
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Windows.Forms;

namespace Fragline
{
    // Prozor za potvrdu u stilu aplikacije (umjesto sistemskog MessageBoxa)
    static class Dialog
    {
        public static bool Confirm(Control owner, string title, string text, string ok, bool danger, string quote = null, string hint = null)
        {
            using (var f = new DialogForm(title, text, quote, hint, ok, "Odustani", danger))
                return f.ShowDialog(OwnerOf(owner)) == DialogResult.OK;
        }

        public static void Info(Control owner, string title, string text)
        {
            using (var f = new DialogForm(title, text, null, null, "U redu", null, false))
                f.ShowDialog(OwnerOf(owner));
        }

        static IWin32Window OwnerOf(Control c)
        {
            var f = c != null ? c.FindForm() : Form.ActiveForm;
            return f != null && f.Visible ? f : null;
        }
    }

    class DialogForm : Form
    {
        readonly string title, text, quote, hint;
        readonly bool classic;
        readonly FlatButton okBtn, cancelBtn;
        Rectangle textRect, quoteRect, hintRect;
        int headH, footH;

        protected override CreateParams CreateParams
        {
            get { var cp = base.CreateParams; cp.ClassStyle |= 0x20000; return cp; }
        }

        public DialogForm(string title, string text, string quote, string hint, string ok, string cancel, bool danger)
        {
            this.title = title;
            this.text = text;
            this.quote = quote;
            this.hint = hint;
            classic = Theme.ClassicLayout;
            FormBorderStyle = FormBorderStyle.None;
            StartPosition = FormStartPosition.CenterParent;
            ShowInTaskbar = false;
            KeyPreview = true;
            DoubleBuffered = true;
            BackColor = Theme.Bg;
            Icon = Program.AppIcon;
            Text = title;
            AutoScaleMode = AutoScaleMode.None;

            int W = Theme.D(classic ? 400 : 440), pad = Theme.D(classic ? 16 : 20), inner = W - pad * 2;
            headH = classic ? Theme.D(30) : Theme.D(62);
            footH = Theme.D(classic ? 54 : 70);
            int y = headH + (classic ? Theme.D(16) : 0);
            using (var f = BodyFont())
            {
                int th = TextRenderer.MeasureText(text ?? "", f, new Size(inner, int.MaxValue), TextFormatFlags.WordBreak | TextFormatFlags.NoPrefix).Height;
                textRect = new Rectangle(pad, y, inner, th);
                y += th + Theme.D(14);
            }
            if (quote != null)
            {
                using (var f = Theme.Body(14))
                {
                    int qh = Math.Min(Theme.D(110), TextRenderer.MeasureText(quote, f, new Size(inner - Theme.D(28), int.MaxValue), TextFormatFlags.WordBreak | TextFormatFlags.NoPrefix).Height);
                    quoteRect = new Rectangle(pad, y, inner, qh + Theme.D(24));
                    y = quoteRect.Bottom + Theme.D(14);
                }
            }
            if (hint != null)
            {
                hintRect = new Rectangle(pad, y, inner, Theme.D(18));
                y += Theme.D(26);
            }
            y += Theme.D(6);
            ClientSize = new Size(W, y + footH);

            okBtn = new FlatButton(ok, !danger) { Danger = danger, Font = Theme.Display(14) };
            int bh = Theme.D(classic ? 32 : 38), ow = TextRenderer.MeasureText(ok, okBtn.Font).Width + Theme.D(36);
            int by = ClientSize.Height - footH + (footH - bh) / 2;
            okBtn.SetBounds(W - pad - ow, by, ow, bh);
            okBtn.Click += (s, e) => { DialogResult = DialogResult.OK; Close(); };
            Controls.Add(okBtn);
            AcceptButton = okBtn;
            if (cancel != null)
            {
                // "Odustani" kao tekstualni gumb na boji podnozja, kao na Discordu
                cancelBtn = new FlatButton(cancel, false) { Font = Theme.Display(14), Back = FootColor(), Fore = Theme.Text2 };
                int cw = TextRenderer.MeasureText(cancel, cancelBtn.Font).Width + Theme.D(32);
                cancelBtn.SetBounds(okBtn.Left - Theme.D(8) - cw, by, cw, bh);
                cancelBtn.Click += (s, e) => { DialogResult = DialogResult.Cancel; Close(); };
                Controls.Add(cancelBtn);
                CancelButton = cancelBtn;
            }
            using (var p = Theme.Round(new RectangleF(0, 0, ClientSize.Width, ClientSize.Height), Theme.D(classic ? 4 : 10))) Region = new Region(p);
        }

        Font BodyFont() { return classic ? Xf.Font(13) : Theme.Body(15); }
        Color FootColor() { return classic ? Xf.Bar2 : Theme.Panel; }

        protected override void OnKeyDown(KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Escape && cancelBtn == null) { DialogResult = DialogResult.OK; Close(); }
            base.OnKeyDown(e);
        }

        // prozor bez okvira se moze povuci za zaglavlje
        protected override void OnMouseDown(MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left && e.Y < headH)
            {
                Capture = false;
                var m = Message.Create(Handle, 0xA1, (IntPtr)2, IntPtr.Zero);
                WndProc(ref m);
            }
            base.OnMouseDown(e);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            g.Clear(Theme.Bg);
            int W = ClientSize.Width, H = ClientSize.Height;
            if (classic)
            {
                Xf.Gloss(g, new Rectangle(0, 0, W, headH), Xf.Head1, Xf.Head2);
                Theme.DrawFlame(g, new RectangleF(Theme.D(8), (headH - Theme.D(18)) / 2f, Theme.D(16), Theme.D(18)));
                using (var f = Xf.Font(13, FontStyle.Bold))
                    Xf.Draw(g, title, f, new Rectangle(Theme.D(30), 0, W - Theme.D(40), headH), Color.White);
                Xf.Gloss(g, new Rectangle(0, H - footH, W, footH), Xf.Bar1, Xf.Bar2);
            }
            else
            {
                using (var f = Theme.Body(20, FontStyle.Bold))
                    Txt.Draw(g, title, f, new Rectangle(Theme.D(20), Theme.D(18), W - Theme.D(40), Theme.D(32)), Theme.Text);
                using (var b = new SolidBrush(Theme.Panel)) g.FillRectangle(b, 0, H - footH, W, footH);
            }
            using (var f = BodyFont())
                TextRenderer.DrawText(g, text ?? "", f, textRect, Theme.Text2, TextFormatFlags.WordBreak | TextFormatFlags.NoPrefix);
            if (quote != null)
            {
                // pregled poruke koja se brise
                using (var p = Theme.Round(quoteRect, Theme.D(6)))
                {
                    using (var b = new SolidBrush(Theme.Field)) g.FillPath(b, p);
                    using (var pen = new Pen(Theme.Line)) g.DrawPath(pen, p);
                }
                using (var b = new SolidBrush(Theme.Accent)) g.FillRectangle(b, quoteRect.X + Theme.D(10), quoteRect.Y + Theme.D(10), Theme.D(3), quoteRect.Height - Theme.D(20));
                using (var f = Theme.Body(14))
                    TextRenderer.DrawText(g, quote, f, new Rectangle(quoteRect.X + Theme.D(22), quoteRect.Y + Theme.D(12), quoteRect.Width - Theme.D(32), quoteRect.Height - Theme.D(24)), Theme.Text,
                        TextFormatFlags.WordBreak | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPrefix);
            }
            if (hint != null)
                using (var f = Theme.Body(12.5f))
                    Txt.Draw(g, hint, f, hintRect, Theme.Muted);
            using (var p = Theme.Round(new RectangleF(0.5f, 0.5f, W - 1.5f, H - 1.5f), Theme.D(classic ? 4 : 10)))
            using (var pen = new Pen(classic ? Xf.Border : Theme.Line)) g.DrawPath(pen, p);
        }
    }

    // Obavijest dolje desno kraj sata (umjesto Windowsovih balona)
    static class Toast
    {
        static readonly List<ToastForm> open = new List<ToastForm>();

        // kind: info, warn, msg, call, game
        public static void Show(string title, string text, string avatar, string color, string kind, Action click)
        {
            try
            {
                while (open.Count >= 4) open[0].Dismiss();
                var t = new ToastForm(title, text, avatar, color, kind, click);
                open.Add(t);
                t.FormClosed += (s, e) => { open.Remove(t); Restack(); };
                Restack();
                t.Show();
            }
            catch { }
        }

        static void Restack()
        {
            var wa = Screen.PrimaryScreen.WorkingArea;
            int y = wa.Bottom - Theme.D(12);
            for (int i = open.Count - 1; i >= 0; i--)
            {
                var t = open[i];
                y -= t.Height;
                t.Location = new Point(wa.Right - t.Width - Theme.D(12), y);
                y -= Theme.D(8);
            }
        }
    }

    class ToastForm : Form
    {
        readonly string title, text, avatar, color, kind;
        readonly Action click;
        readonly Timer timer = new Timer { Interval = 15 };
        readonly bool classic;
        int life, headH;
        bool hover, closing, overClose;

        protected override bool ShowWithoutActivation { get { return true; } }

        protected override CreateParams CreateParams
        {
            get
            {
                var cp = base.CreateParams;
                cp.ExStyle |= 0x08000000 | 0x80 | 0x8;
                cp.ClassStyle |= 0x20000;
                return cp;
            }
        }

        public ToastForm(string title, string text, string avatar, string color, string kind, Action click)
        {
            this.title = title;
            this.text = text;
            this.avatar = avatar;
            this.color = color;
            this.kind = kind;
            this.click = click;
            classic = Theme.ClassicLayout;
            FormBorderStyle = FormBorderStyle.None;
            ShowInTaskbar = false;
            TopMost = true;
            StartPosition = FormStartPosition.Manual;
            DoubleBuffered = true;
            BackColor = Theme.Panel;
            AutoScaleMode = AutoScaleMode.None;
            Cursor = Cursors.Hand;
            headH = classic ? Theme.D(24) : 0;
            Size = new Size(Theme.D(340), headH + Theme.D(80));
            Opacity = 0;
            using (var p = Theme.Round(new RectangleF(0, 0, Width, Height), Theme.D(classic ? 3 : 10))) Region = new Region(p);
            timer.Tick += (s, e) => Step();
            timer.Start();
        }

        Color Stripe()
        {
            switch (kind)
            {
                case "warn": return Theme.Red;
                case "call": return Theme.On;
                case "game": return Theme.Idle;
                case "msg": return Theme.Accent;
                default: return classic ? Xf.Orange : Theme.Accent;
            }
        }

        Rectangle CloseRect() { int s = Theme.D(20); return new Rectangle(Width - s - Theme.D(8), headH + Theme.D(8), s, s); }

        // pojavi se, stoji ~5 s (dok je mis iznad, ne nestaje), pa polako nestane
        void Step()
        {
            if (closing)
            {
                Opacity = Math.Max(0, Opacity - 0.12);
                if (Opacity <= 0) { timer.Stop(); Close(); }
                return;
            }
            if (Opacity < 1) { Opacity = Math.Min(1, Opacity + 0.12); return; }
            if (!hover) life += timer.Interval;
            if (life > 5500) closing = true;
        }

        public void Dismiss() { closing = true; }

        protected override void OnMouseEnter(EventArgs e) { hover = true; base.OnMouseEnter(e); }
        protected override void OnMouseLeave(EventArgs e) { hover = false; overClose = false; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseMove(MouseEventArgs e)
        {
            bool oc = CloseRect().Contains(e.Location);
            if (oc != overClose) { overClose = oc; Invalidate(); }
            base.OnMouseMove(e);
        }

        protected override void OnMouseClick(MouseEventArgs e)
        {
            closing = true;
            if (!CloseRect().Contains(e.Location) && click != null) { try { click(); } catch { } }
            base.OnMouseClick(e);
        }

        protected override void OnFormClosed(FormClosedEventArgs e) { timer.Stop(); base.OnFormClosed(e); }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            int W = Width, H = Height;
            g.Clear(Theme.Panel);
            if (classic)
            {
                Xf.Gloss(g, new Rectangle(0, 0, W, headH), Xf.Head1, Xf.Head2);
                Theme.DrawFlame(g, new RectangleF(Theme.D(6), (headH - Theme.D(16)) / 2f, Theme.D(14), Theme.D(16)));
                using (var f = Xf.Font(11.5f, FontStyle.Bold))
                    Xf.Draw(g, "Fragline", f, new Rectangle(Theme.D(26), 0, W - Theme.D(36), headH), Color.White);
                using (var b = new LinearGradientBrush(new Rectangle(0, headH, W, H - headH), Theme.Shade(Theme.Panel, 0.06f), Theme.Bg, 90f)) g.FillRectangle(b, 0, headH, W, H - headH);
            }
            using (var b = new SolidBrush(Stripe())) g.FillRectangle(b, 0, headH, Theme.D(4), H - headH);

            var ar = new Rectangle(Theme.D(16), headH + (H - headH - Theme.D(46)) / 2, Theme.D(46), Theme.D(46));
            if (avatar != null || color != null)
            {
                if (classic) Xf.Avatar(g, ar, color, title, avatar, this, null, Theme.Panel);
                else Theme.Avatar(g, ar, color, title, avatar, this, null, Theme.Panel);
            }
            else
            {
                using (var b = new SolidBrush(Theme.Bg)) if (classic) using (var p = Theme.Round(ar, Theme.D(4))) g.FillPath(b, p); else g.FillEllipse(b, ar);
                Theme.DrawFlame(g, new RectangleF(ar.X + Theme.D(11), ar.Y + Theme.D(9), Theme.D(24), Theme.D(28)));
            }
            int x = ar.Right + Theme.D(14), w = W - x - Theme.D(34);
            using (var f = classic ? Xf.Font(13, FontStyle.Bold) : Theme.Display(15))
                Txt.Draw(g, title, f, new Rectangle(x, headH + Theme.D(12), w, Theme.D(22)), Theme.Text);
            using (var f = classic ? Xf.Font(12) : Theme.Body(13.5f))
                TextRenderer.DrawText(g, text ?? "", f, new Rectangle(x, headH + Theme.D(35), W - x - Theme.D(14), Theme.D(38)), Theme.Text2,
                    TextFormatFlags.WordBreak | TextFormatFlags.EndEllipsis | TextFormatFlags.NoPrefix);
            var cr = CloseRect();
            if (overClose) using (var b = new SolidBrush(Theme.Panel3)) g.FillEllipse(b, cr);
            Theme.Icon(g, Theme.IcoClose, "x", cr, overClose ? Theme.Text : Theme.Muted, 10);
            using (var p = Theme.Round(new RectangleF(0.5f, 0.5f, W - 1.5f, H - 1.5f), Theme.D(classic ? 3 : 10)))
            using (var pen = new Pen(classic ? Xf.Border : Theme.Line)) g.DrawPath(pen, p);
        }
    }
}

// ===================== Windows.cs =====================
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Globalization;
using System.Linq;
using System.Net;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Fragline
{
}

// ===================== Windows2.cs =====================
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Net;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Fragline
{
    class AudioSettingsForm : DarkForm
    {
        readonly TrayApp app;
        readonly Panel body = new Panel(), foot = new Panel();
        readonly DropDown inDev = new DropDown(), outDev = new DropDown(), key = new DropDown(), quality = new DropDown();
        readonly RangeSlider inVol = new RangeSlider { Min = 0, Max = 200, Ticks = new[] { 100f }, Snap = 4, Format = v => (int)Math.Round(v) + "%" },
            outVol = new RangeSlider { Min = 0, Max = 200, Ticks = new[] { 100f }, Snap = 4, Format = v => (int)Math.Round(v) + "%" },
            sens = new RangeSlider { Min = -80, Max = 0, Format = v => (int)Math.Round(v) + " dB" };
        readonly Label inVolLbl, outVolLbl, sensLbl, testHint;
        readonly Toggle ptt = new Toggle(), auto = new Toggle(), ns = new Toggle(), ks = new Toggle(), agc = new Toggle(), hp = new Toggle();
        readonly FlatButton testBtn = new FlatButton("Pokreni test mikrofona", false), done = new FlatButton("Gotovo", true);
        readonly Timer tick = new Timer { Interval = 50 };
        static readonly int[] Rates = { 32000, 64000, 96000, 192000, 320000 };
        MicTest test;
        bool init = true;
        readonly int W, pad, inner;

        public AudioSettingsForm(TrayApp app)
        {
            this.app = app;
            Text = "Fragline - zvuk i mikrofon";
            MinimizeBox = false;
            W = Theme.D(440); pad = Theme.D(20); inner = W - pad * 2 - Theme.D(18);
            ClientSize = new Size(W, Theme.D(640));
            body.Dock = DockStyle.Fill; body.AutoScroll = true; body.BackColor = Theme.Bg;
            foot.Dock = DockStyle.Bottom; foot.Height = Theme.D(64); foot.BackColor = Theme.Panel;
            if (Theme.ClassicLayout) foot.Paint += (s, e) => Xf.Gloss(e.Graphics, foot.ClientRectangle, Xf.Bar1, Xf.Head2);
            done.SetBounds(W - pad - Theme.D(130), Theme.D(12), Theme.D(130), Theme.D(40));
            done.Click += (s, e) => Close();
            foot.Controls.Add(done);
            Controls.Add(body); Controls.Add(foot);
            body.BringToFront();
            Theme.DarkScroll(body);
            SlimBar.Attach(body);

            int y = Theme.D(16);
            Sec("Uređaji", ref y);
            Add(Ui.Lbl("Mikrofon", 13, Theme.Muted, pad, y)); y += Theme.D(22);
            Ui.Combo(inDev); inDev.SetBounds(pad, y, inner, Theme.D(38)); Add(inDev); y += Theme.D(48);
            Add(Ui.Lbl("Zvučnici ili slušalice", 13, Theme.Muted, pad, y)); y += Theme.D(22);
            Ui.Combo(outDev); outDev.SetBounds(pad, y, inner, Theme.D(38)); Add(outDev); y += Theme.D(52);
            inDev.Items.Add("Zadani uređaj u Windowsu"); foreach (var n in AudioCfg.Inputs()) inDev.Items.Add(n);
            outDev.Items.Add("Zadani uređaj u Windowsu"); foreach (var n in AudioCfg.Outputs()) outDev.Items.Add(n);
            inDev.SelectedIndex = Math.Max(0, Math.Min(inDev.Items.Count - 1, AudioCfg.InDevice + 1));
            outDev.SelectedIndex = Math.Max(0, Math.Min(outDev.Items.Count - 1, AudioCfg.OutDevice + 1));

            Sec("Glasnoća", ref y);
            Add(Ui.Lbl("Glasnoća mikrofona", 13.5f, Theme.Text, pad, y));
            inVolLbl = Ui.Lbl("", 13, Theme.Muted, pad + inner - Theme.D(50), y); Add(inVolLbl); y += Theme.D(22);
            inVol.SetBounds(pad - Theme.D(10), y, inner + Theme.D(20), Theme.D(32)); Add(inVol); y += Theme.D(40);
            Add(Ui.Lbl("Glasnoća zvuka", 13.5f, Theme.Text, pad, y));
            outVolLbl = Ui.Lbl("", 13, Theme.Muted, pad + inner - Theme.D(50), y); Add(outVolLbl); y += Theme.D(22);
            outVol.SetBounds(pad - Theme.D(10), y, inner + Theme.D(20), Theme.D(32)); Add(outVol); y += Theme.D(44);
            inVol.Value = AudioCfg.InGain * 100; outVol.Value = AudioCfg.OutGain * 100;

            Sec("Način pričanja", ref y);
            Add(Ui.Lbl("Pritisni za pričanje", 13.5f, Theme.Text, pad, y + Theme.D(2)));
            ptt.Location = new Point(pad + Theme.D(160), y); Add(ptt);
            Ui.Combo(key); key.SetBounds(pad + inner - Theme.D(120), y - Theme.D(3), Theme.D(120), Theme.D(28)); Add(key);
            foreach (var k in VoiceView.PttKeys) key.Items.Add(k.Name);
            int ki = Array.FindIndex(VoiceView.PttKeys, k => k.Vk == AudioCfg.PttKey);
            key.SelectedIndex = ki >= 0 ? ki : 0;
            ptt.Checked = AudioCfg.Ptt; key.Enabled = AudioCfg.Ptt;
            y += Theme.D(44);

            Sec("Osjetljivost mikrofona", ref y);
            Add(Ui.Lbl("Automatski", 13.5f, Theme.Text, pad, y + Theme.D(2)));
            auto.Location = new Point(pad + inner - auto.Width, y); Add(auto); auto.Checked = AudioCfg.AutoSens;
            y += Theme.D(34);
            sens.SetBounds(pad - Theme.D(10), y, inner + Theme.D(20), Theme.D(34)); Add(sens); y += Theme.D(36);
            sens.Value = AudioCfg.SensDb;
            sensLbl = Ui.Lbl("", 12.5f, Theme.Muted, pad, y); Add(sensLbl); y += Theme.D(34);

            Sec("Obrada zvuka", ref y);
            Opt("Utišavanje pozadinske buke", "Ventilator, klima, šum u sobi", ns, AudioCfg.NoiseSuppress, ref y);
            Opt("Utišavanje tipkovnice i klikova", "Tipke i miš ne otvaraju mikrofon", ks, AudioCfg.KeySuppress, ref y);
            Opt("Automatska glasnoća mikrofona", "Drži tvoj glas jednako glasnim", agc, AudioCfg.Agc, ref y);
            Opt("Uklanjanje brujanja", "Duboki bruj i udarci u stol", hp, AudioCfg.HighPass, ref y);

            Sec("Kvaliteta zvuka", ref y);
            Ui.Combo(quality); quality.SetBounds(pad, y, inner, Theme.D(38)); Add(quality); y += Theme.D(52);
            quality.Items.AddRange(new object[] { "Normalna (32 kbps, manje interneta)", "Visoka (64 kbps)", "Vrlo visoka (96 kbps)", "Studijska (192 kbps)", "Maksimalna (320 kbps, puno interneta)" });
            int qi = Array.IndexOf(Rates, AudioCfg.Bitrate);
            quality.SelectedIndex = qi >= 0 ? qi : 1;

            Sec("Test mikrofona", ref y);
            testBtn.SetBounds(pad, y, inner, Theme.D(40)); Add(testBtn); y += Theme.D(48);
            testHint = Ui.Lbl("Čuješ sam sebe s istom obradom kao u voiceu. Koristi slušalice.", 12.5f, Theme.Muted, pad, y);
            testHint.AutoSize = false; testHint.Size = new Size(inner, Theme.D(36)); Add(testHint); y += Theme.D(44);
            Add(new Panel { Bounds = new Rectangle(0, y, 1, Theme.D(8)), BackColor = Theme.Bg });

            inDev.SelectedIndexChanged += (s, e) => { if (init) return; AudioCfg.InDevice = inDev.SelectedIndex - 1; DevicesChanged(); };
            outDev.SelectedIndexChanged += (s, e) => { if (init) return; AudioCfg.OutDevice = outDev.SelectedIndex - 1; DevicesChanged(); };
            inVol.ValueChanged += (s, e) => { AudioCfg.InGain = inVol.Value / 100f; Labels(); };
            outVol.ValueChanged += (s, e) => { AudioCfg.OutGain = outVol.Value / 100f; app.AudioChanged(false); if (test != null) test.Audio.ApplyVolume(); Labels(); };
            ptt.CheckedChanged += (s, e) => { AudioCfg.Ptt = ptt.Checked; key.Enabled = ptt.Checked; };
            key.SelectedIndexChanged += (s, e) => { if (!init && key.SelectedIndex >= 0) AudioCfg.PttKey = VoiceView.PttKeys[key.SelectedIndex].Vk; };
            auto.CheckedChanged += (s, e) => AudioCfg.AutoSens = auto.Checked;
            sens.ValueChanged += (s, e) => AudioCfg.SensDb = sens.Value;
            ns.CheckedChanged += (s, e) => AudioCfg.NoiseSuppress = ns.Checked;
            ks.CheckedChanged += (s, e) => AudioCfg.KeySuppress = ks.Checked;
            agc.CheckedChanged += (s, e) => AudioCfg.Agc = agc.Checked;
            hp.CheckedChanged += (s, e) => AudioCfg.HighPass = hp.Checked;
            quality.SelectedIndexChanged += (s, e) => { if (init || quality.SelectedIndex < 0) return; AudioCfg.Bitrate = Rates[quality.SelectedIndex]; app.AudioBitrateChanged(); };
            testBtn.Click += (s, e) => ToggleTest();
            tick.Tick += (s, e) => Tick();
            FormClosed += (s, e) => { tick.Stop(); StopTest(); };
            Labels();
            init = false;
            tick.Start();
        }

        void Add(Control c) { body.Controls.Add(c); }

        void Sec(string t, ref int y)
        {
            if (Theme.ClassicLayout)
            {
                // Xfire: sjajna plava traka za svaki odjeljak
                var bar = new Panel { Bounds = new Rectangle(pad - Theme.D(8), y, inner + Theme.D(16), Theme.D(24)), Tag = t };
                bar.Paint += (s, e) =>
                {
                    Xf.Gloss(e.Graphics, bar.ClientRectangle, Xf.Bar1, Xf.Bar2);
                    using (var f = Xf.Font(12, FontStyle.Bold)) Xf.Draw(e.Graphics, (string)bar.Tag, f, new Rectangle(Theme.D(8), 0, bar.Width - Theme.D(16), bar.Height), Theme.Text);
                };
                Add(bar);
                y += Theme.D(32);
                return;
            }
            Add(Ui.Section(t, pad, y));
            y += Theme.D(26);
        }

        void Opt(string title, string hint, Toggle t, bool val, ref int y)
        {
            Add(Ui.Lbl(title, 13.5f, Theme.Text, pad, y));
            Add(Ui.Lbl(hint, 12, Theme.Muted, pad, y + Theme.D(20)));
            t.Location = new Point(pad + inner - t.Width, y + Theme.D(6));
            t.Checked = val;
            Add(t);
            y += Theme.D(48);
        }

        void Labels()
        {
            inVolLbl.Text = (int)Math.Round(inVol.Value) + "%";
            outVolLbl.Text = (int)Math.Round(outVol.Value) + "%";
        }

        void DevicesChanged()
        {
            app.AudioChanged(true);
            if (test != null) { StopTest(); ToggleTest(); }
        }

        void ToggleTest()
        {
            if (test != null) { StopTest(); return; }
            if (app.Voice != null) { testHint.Text = "U voiceu si, pa razinu mikrofona vidiš gore na klizaču. Test nije potreban."; return; }
            try
            {
                test = new MicTest();
                testBtn.Text = "Zaustavi test";
                testHint.Text = test.Audio.HasMic ? "Pričaj i trebao bi se čuti. Zeleno na klizaču znači da se zvuk šalje." : "Mikrofon nije pronađen.";
            }
            catch (Exception ex) { test = null; testHint.Text = "Test nije uspio: " + ex.Message; }
        }

        void StopTest()
        {
            if (test == null) return;
            try { test.Dispose(); } catch { }
            test = null;
            testBtn.Text = "Pokreni test mikrofona";
        }

        void Tick()
        {
            var eng = app.Voice != null ? app.Voice.Audio : (test != null ? test.Audio : null);
            sens.Locked = AudioCfg.AutoSens;
            sens.Level = eng != null ? eng.LevelDb : float.NaN;
            sens.Marker = eng != null ? eng.ThresholdDb : float.NaN;
            if (!sens.Dragging) sens.Value = AudioCfg.SensDb;
            sens.Invalidate();
            string t;
            if (eng == null) t = "Pokreni test ispod ili uđi u voice da vidiš razinu mikrofona.";
            else if (AudioCfg.AutoSens) t = "Automatski prag: " + (int)eng.ThresholdDb + " dB. Zeleno znači da se zvuk šalje.";
            else t = "Prag: " + (int)AudioCfg.SensDb + " dB. Povuci kružić tako da je zeleno samo kad pričaš.";
            if (sensLbl.Text != t) sensLbl.Text = t;
        }
    }

    class CreateRoomForm : DarkForm
    {
        readonly TrayApp app;
        readonly InputBox name = new InputBox(false);
        readonly DropDown privacy = new DropDown(), clan = new DropDown(), limit = new DropDown();
        readonly Label err, clanLbl;
        readonly FlatButton ok = new FlatButton("Napravi sobu", true), cancel = new FlatButton("Odustani", false);
        static readonly int[] Limits = { 0, 2, 3, 4, 5, 6, 8, 10, 15, 20, 30 };

        public CreateRoomForm(TrayApp app)
        {
            this.app = app;
            Text = "Fragline - nova soba";
            MinimizeBox = false;
            int W = Theme.D(380), pad = Theme.D(24), inner = W - pad * 2;
            ClientSize = new Size(W, Theme.D(440));
            Controls.Add(Ui.Lbl("Nova voice soba", 20, Theme.Text, pad, Theme.D(20), true));
            Controls.Add(Ui.Lbl("Ime sobe", 13, Theme.Muted, pad, Theme.D(66)));
            name.SetBounds(pad, Theme.D(88), inner, Theme.D(42));
            name.Box.MaxLength = 40;
            Controls.Add(Ui.Lbl("Tko je vidi", 13, Theme.Muted, pad, Theme.D(142)));
            Ui.Combo(privacy); privacy.SetBounds(pad, Theme.D(164), inner, Theme.D(38));
            privacy.Items.AddRange(new object[] { "Javna, vide je svi", "Samo moji prijatelji", "Samo moj klan" });
            privacy.SelectedIndex = 0;
            clanLbl = Ui.Lbl("Klan", 13, Theme.Muted, pad, Theme.D(206));
            Ui.Combo(clan); clan.SetBounds(pad, Theme.D(228), inner, Theme.D(38));
            foreach (var c in app.Clans) clan.Items.Add(c);
            if (clan.Items.Count > 0) clan.SelectedIndex = 0;
            clanLbl.Visible = false; clan.Visible = false;
            Controls.Add(Ui.Lbl("Najviše ljudi", 13, Theme.Muted, pad, Theme.D(270)));
            Ui.Combo(limit); limit.SetBounds(pad, Theme.D(292), inner, Theme.D(38));
            foreach (var l in Limits) limit.Items.Add(l == 0 ? "Bez ograničenja" : l + " ljudi");
            limit.SelectedIndex = 0;
            err = Ui.Lbl("", 13, Theme.Red, pad, Theme.D(336));
            err.AutoSize = false; err.Size = new Size(inner, Theme.D(36));
            int half = (inner - Theme.D(10)) / 2;
            cancel.SetBounds(pad, Theme.D(376), half, Theme.D(42));
            ok.SetBounds(pad + half + Theme.D(10), Theme.D(376), half, Theme.D(42));
            Controls.AddRange(new Control[] { name, privacy, clanLbl, clan, limit, err, cancel, ok });

            privacy.SelectedIndexChanged += (s, e) =>
            {
                bool c = privacy.SelectedIndex == 2;
                clanLbl.Visible = c; clan.Visible = c;
                if (c && clan.Items.Count == 0) err.Text = "Nisi član nijednog klana.";
                else err.Text = "";
            };
            cancel.Click += (s, e) => Close();
            ok.Click += async (s, e) =>
            {
                var n = name.Value.Trim();
                if (n.Length < 2) { err.Text = "Upiši ime sobe (barem 2 znaka)."; return; }
                string pv = privacy.SelectedIndex == 1 ? "friends" : privacy.SelectedIndex == 2 ? "clan" : "public";
                long clanId = 0;
                if (pv == "clan")
                {
                    var ci = clan.SelectedItem as ClanItem;
                    if (ci == null) { err.Text = "Odaberi klan."; return; }
                    clanId = ci.Id;
                }
                ok.Enabled = false;
                ok.Text = "Radim...";
                var error = await app.CreateRoom(n, pv, clanId, Limits[Math.Max(0, limit.SelectedIndex)]);
                ok.Enabled = true;
                ok.Text = "Napravi sobu";
                if (error != null) { err.Text = error; return; }
                DialogResult = DialogResult.OK;
                Close();
            };
            AcceptButton = ok;
            Shown += (s, e) => name.Box.Focus();
        }
    }

    class ClanRow { public long Id; public string Name, Tag, Slug, Color, Description; public int Members; public bool Member, Owner; }

    // Krugovi s bojama za odabir boje klana
    class Swatches : Control
    {
        public static readonly string[] Colors = { "#5865f2", "#8a4fd6", "#eb459e", "#d6457a", "#f23f43", "#ff7a2f", "#f0b232", "#23a55a", "#1f8f8a", "#00a8fc" };
        int sel, hover = -1;
        public event EventHandler Changed;
        public string Value { get { return Colors[sel]; } }

        public Swatches()
        {
            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
            Cursor = Cursors.Hand;
            sel = new Random().Next(Colors.Length);
        }

        Rectangle Cell(int i) { int s = Theme.D(28), gap = (Width - s * Colors.Length) / Math.Max(1, Colors.Length - 1); return new Rectangle(i * (s + gap), (Height - s) / 2, s, s); }
        int Hit(Point p) { for (int i = 0; i < Colors.Length; i++) if (Cell(i).Contains(p)) return i; return -1; }

        protected override void OnMouseMove(MouseEventArgs e) { int h = Hit(e.Location); if (h != hover) { hover = h; Invalidate(); } base.OnMouseMove(e); }
        protected override void OnMouseLeave(EventArgs e) { hover = -1; Invalidate(); base.OnMouseLeave(e); }
        protected override void OnMouseClick(MouseEventArgs e)
        {
            int h = Hit(e.Location);
            if (h >= 0) { sel = h; Invalidate(); if (Changed != null) Changed(this, EventArgs.Empty); }
            base.OnMouseClick(e);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            var g = e.Graphics;
            g.Clear(Parent != null ? Parent.BackColor : Theme.Bg);
            g.SmoothingMode = SmoothingMode.AntiAlias;
            for (int i = 0; i < Colors.Length; i++)
            {
                var r = Cell(i);
                if (i == sel || i == hover)
                {
                    var rr = r; rr.Inflate(-1, -1);
                    using (var pen = new Pen(i == sel ? Theme.Text : Theme.Muted, Theme.D(2))) g.DrawEllipse(pen, rr);
                    r.Inflate(-Theme.D(4), -Theme.D(4));
                }
                using (var b = new SolidBrush(ColorTranslator.FromHtml(Colors[i]))) g.FillEllipse(b, r);
            }
        }
    }

    // Osnivanje klana i pridruživanje postojećem
    class ClanForm : DarkForm
    {
        readonly TrayApp app;
        readonly Panel create = new Panel(), browse = new Panel();
        readonly InputBox name = new InputBox(false), tag = new InputBox(false), desc = new InputBox(false);
        readonly Swatches colors = new Swatches();
        readonly Control preview;
        readonly Label err, browseInfo;
        readonly FlatButton ok = new FlatButton("Napravi klan", true), toBrowse = new FlatButton("Pridruži se postojećem", false), back = new FlatButton("Natrag", false);
        readonly ListBox list = new SmoothList();
        List<ClanRow> rows = new List<ClanRow>();
        int hover = -1;
        bool busy;

        public ClanForm(TrayApp app, bool startBrowsing)
        {
            this.app = app;
            Text = "Fragline - klanovi";
            MinimizeBox = false;
            int W = Theme.D(460), H = Theme.D(600), pad = Theme.D(28), inner = W - pad * 2;
            ClientSize = new Size(W, H);
            create.SetBounds(0, 0, W, H); browse.SetBounds(0, 0, W, H);
            create.BackColor = Theme.Bg; browse.BackColor = Theme.Bg;
            browse.Visible = false;

            // --- osnivanje ---
            var title = new Label { Text = "Napravi svoj klan", Font = Theme.Body(22, FontStyle.Bold), ForeColor = Theme.Text, TextAlign = ContentAlignment.MiddleCenter };
            title.SetBounds(pad, Theme.D(16), inner, Theme.D(34));
            var sub = new Label { Text = "Klan je mjesto za tebe i prijatelje: dobiva ikonu na lijevoj traci, svoj chat i voice sobe.", Font = Theme.Body(13.5f), ForeColor = Theme.Muted, TextAlign = ContentAlignment.TopCenter };
            sub.SetBounds(pad, Theme.D(52), inner, Theme.D(40));
            preview = new Panel { Bounds = new Rectangle((W - Theme.D(72)) / 2, Theme.D(98), Theme.D(72), Theme.D(72)), BackColor = Theme.Bg };
            preview.Paint += (s, e) =>
            {
                var g = e.Graphics;
                g.SmoothingMode = SmoothingMode.AntiAlias;
                var r = new Rectangle(0, 0, preview.Width - 1, preview.Height - 1);
                using (var p = Theme.Round(r, Theme.D(20))) using (var b = new SolidBrush(ColorTranslator.FromHtml(colors.Value))) g.FillPath(b, p);
                var t = tag.Value.Trim();
                if (t.Length == 0) t = name.Value.Trim().Length > 0 ? name.Value.Trim().Substring(0, Math.Min(2, name.Value.Trim().Length)).ToUpperInvariant() : "?";
                using (var f = Theme.Body(t.Length > 3 ? 15 : 20, FontStyle.Bold))
                    TextRenderer.DrawText(g, t, f, r, Color.White, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPrefix);
            };
            create.Controls.AddRange(new Control[] { title, sub, preview });
            int y = Theme.D(186);
            Func<string, Label> cap = t => { var l = Ui.Lbl(t, 12, Theme.Text2, pad, y, true); create.Controls.Add(l); y += Theme.D(22); return l; };
            cap("IME KLANA");
            name.SetBounds(pad, y, inner, Theme.D(40)); name.Box.MaxLength = 40; create.Controls.Add(name); y += Theme.D(52);
            cap("TAG (DO 6 ZNAKOVA, NPR. FRG)");
            tag.SetBounds(pad, y, Theme.D(160), Theme.D(40)); tag.Box.MaxLength = 6; tag.Box.CharacterCasing = CharacterCasing.Upper; create.Controls.Add(tag); y += Theme.D(52);
            cap("BOJA");
            colors.SetBounds(pad, y, inner, Theme.D(32)); create.Controls.Add(colors); y += Theme.D(44);
            cap("OPIS (NEOBAVEZNO)");
            desc.SetBounds(pad, y, inner, Theme.D(40)); desc.Box.MaxLength = 500; create.Controls.Add(desc); y += Theme.D(48);
            err = Ui.Lbl("", 13, Theme.Red, pad, y);
            err.AutoSize = false; err.Size = new Size(inner, Theme.D(36));
            create.Controls.Add(err);
            int half = (inner - Theme.D(10)) / 2;
            toBrowse.SetBounds(pad, H - Theme.D(66), half, Theme.D(42));
            ok.SetBounds(pad + half + Theme.D(10), H - Theme.D(66), half, Theme.D(42));
            create.Controls.AddRange(new Control[] { toBrowse, ok });
            name.Box.TextChanged += (s, e) => preview.Invalidate();
            tag.Box.TextChanged += (s, e) => preview.Invalidate();
            colors.Changed += (s, e) => preview.Invalidate();
            ok.Click += (s, e) => Create();
            toBrowse.Click += (s, e) => ShowBrowse();

            // --- pridruživanje ---
            var bt = new Label { Text = "Pridruži se klanu", Font = Theme.Body(22, FontStyle.Bold), ForeColor = Theme.Text, TextAlign = ContentAlignment.MiddleCenter };
            bt.SetBounds(pad, Theme.D(16), inner, Theme.D(34));
            browseInfo = new Label { Text = "Učitavam klanove...", Font = Theme.Body(13.5f), ForeColor = Theme.Muted, TextAlign = ContentAlignment.TopCenter };
            browseInfo.SetBounds(pad, Theme.D(52), inner, Theme.D(24));
            list.SetBounds(Theme.D(16), Theme.D(84), W - Theme.D(32), H - Theme.D(84) - Theme.D(80));
            list.DrawMode = DrawMode.OwnerDrawFixed; list.ItemHeight = Theme.D(64); list.BorderStyle = BorderStyle.None;
            list.BackColor = Theme.Bg; list.IntegralHeight = false; list.SelectionMode = SelectionMode.None;
            list.DrawItem += DrawClan;
            list.MouseMove += (s, e) => { int i = list.IndexFromPoint(e.Location); if (i != hover) { hover = i; list.Cursor = i >= 0 && i < rows.Count && !rows[i].Member ? Cursors.Hand : Cursors.Default; list.Invalidate(); } };
            list.MouseLeave += (s, e) => { hover = -1; list.Invalidate(); };
            list.MouseClick += (s, e) =>
            {
                int i = list.IndexFromPoint(e.Location);
                if (i >= 0 && i < rows.Count && !rows[i].Member) Join(rows[i]);
            };
            Theme.DarkScroll(list);
            back.SetBounds(pad, H - Theme.D(66), half, Theme.D(42));
            var close = new FlatButton("Zatvori", true);
            close.SetBounds(pad + half + Theme.D(10), H - Theme.D(66), half, Theme.D(42));
            close.Click += (s, e) => Close();
            back.Click += (s, e) => { browse.Visible = false; create.Visible = true; name.Box.Focus(); };
            browse.Controls.AddRange(new Control[] { bt, browseInfo, list, back, close });

            Controls.AddRange(new Control[] { create, browse });
            AcceptButton = ok;
            Shown += (s, e) => { if (startBrowsing) ShowBrowse(); else name.Box.Focus(); };
        }

        async void Create()
        {
            if (busy) return;
            var n = name.Value.Trim();
            var t = tag.Value.Trim();
            if (n.Length < 3) { err.Text = "Ime klana mora imati barem 3 znaka."; return; }
            if (t.Length == 0) { err.Text = "Upiši tag klana (kratica od 1 do 6 znakova)."; return; }
            busy = true;
            ok.Enabled = false;
            ok.Text = "Radim...";
            err.Text = "";
            var res = await app.CreateClan(n, t, colors.Value, desc.Value.Trim());
            busy = false;
            ok.Enabled = true;
            ok.Text = "Napravi klan";
            if (res != null) { err.Text = res; return; }
            DialogResult = DialogResult.OK;
            Close();
        }

        async void ShowBrowse()
        {
            create.Visible = false;
            browse.Visible = true;
            AcceptButton = null;
            browseInfo.Text = "Učitavam klanove...";
            try
            {
                var res = await Task.Run(() => app.ApiGet("/client/clans"));
                var nr = new List<ClanRow>();
                foreach (var x in J.A(J.Parse(res), "clans"))
                    nr.Add(new ClanRow
                    {
                        Id = J.L(x, "id"), Name = J.S(x, "name"), Tag = J.S(x, "tag"), Slug = J.S(x, "slug"), Color = J.S(x, "color"),
                        Description = J.S(x, "description"), Members = (int)J.L(x, "members"), Member = J.B(x, "member"), Owner = J.B(x, "owner")
                    });
                rows = nr;
                list.BeginUpdate();
                list.Items.Clear();
                foreach (var r in nr) list.Items.Add(r);
                list.EndUpdate();
                browseInfo.Text = nr.Count == 0 ? "Još nema nijednog klana. Napravi prvi!" : "Klikni klan da mu se pridružiš.";
            }
            catch (WebException e) { browseInfo.Text = Api.ErrorMessage(e); }
            catch (Exception e) { browseInfo.Text = e.Message; }
        }

        async void Join(ClanRow c)
        {
            if (busy) return;
            busy = true;
            var res = await app.JoinClan(c.Id, c.Name);
            busy = false;
            if (res != null) { browseInfo.Text = res; return; }
            c.Member = true;
            browseInfo.Text = "Sad si član klana " + c.Name + ".";
            list.Invalidate();
        }

        void DrawClan(object s, DrawItemEventArgs e)
        {
            if (e.Index < 0 || e.Index >= rows.Count) return;
            var c = rows[e.Index];
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var b = e.Bounds;
            using (var fill = new SolidBrush(Theme.Bg)) g.FillRectangle(fill, b);
            bool hot = e.Index == hover && !c.Member;
            var inner = new Rectangle(b.X, b.Y + Theme.D(2), b.Width, b.Height - Theme.D(4));
            using (var p = Theme.Round(inner, Theme.D(8))) using (var fill = new SolidBrush(hot ? Theme.Panel2 : Theme.Panel)) g.FillPath(fill, p);
            var ic = new Rectangle(inner.X + Theme.D(12), inner.Y + (inner.Height - Theme.D(40)) / 2, Theme.D(40), Theme.D(40));
            using (var p = Theme.Round(ic, Theme.D(14))) using (var fill = new SolidBrush(Theme.Hex(c.Color, Theme.Accent))) g.FillPath(fill, p);
            using (var f = Theme.Body((c.Tag ?? "").Length > 3 ? 11 : 13, FontStyle.Bold))
                TextRenderer.DrawText(g, c.Tag ?? "?", f, ic, Color.White, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPrefix);
            string right = c.Owner ? "Tvoj klan" : c.Member ? "Član si" : "Pridruži se";
            int rx = inner.Right - Theme.D(12);
            using (var f = Theme.Body(13.5f, FontStyle.Bold))
            {
                var sz = TextRenderer.MeasureText(right, f);
                if (!c.Member)
                {
                    var br = new Rectangle(rx - sz.Width - Theme.D(20), inner.Y + (inner.Height - Theme.D(30)) / 2, sz.Width + Theme.D(20), Theme.D(30));
                    using (var p = Theme.Round(br, Theme.D(4))) using (var fill = new SolidBrush(hot ? Theme.Shade(Theme.On, -0.2f) : Theme.Shade(Theme.On, -0.1f))) g.FillPath(fill, p);
                    TextRenderer.DrawText(g, right, f, br, Color.White, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPrefix);
                    rx = br.X - Theme.D(10);
                }
                else
                {
                    TextRenderer.DrawText(g, right, f, new Rectangle(rx - sz.Width, inner.Y, sz.Width + 2, inner.Height), Theme.On, TextFormatFlags.VerticalCenter | TextFormatFlags.NoPrefix);
                    rx -= sz.Width + Theme.D(10);
                }
            }
            int x = ic.Right + Theme.D(12), w = Math.Max(10, rx - x);
            using (var f = Theme.Body(15, FontStyle.Bold))
                Txt.Draw(g, c.Name, f, new Rectangle(x, inner.Y + Theme.D(8), w, Theme.D(22)), Theme.Text);
            var info = c.Members + (c.Members == 1 ? " član" : " članova") + (string.IsNullOrEmpty(c.Description) ? "" : " · " + c.Description);
            using (var f = Theme.Body(12.5f))
                Txt.Draw(g, info, f, new Rectangle(x, inner.Y + Theme.D(31), w, Theme.D(18)), Theme.Muted);
        }
    }

    // Dolazni poziv: iskoci dolje desno kraj sata, avatar pulsira dok zvoni
    class IncomingCallForm : DarkForm
    {
        readonly TrayApp app;
        readonly string from, color, avatar;
        readonly Panel pic = new Panel();
        readonly Timer pulse = new Timer { Interval = 40 };
        float phase;
        public bool Answered;

        public IncomingCallForm(TrayApp app, string from, string color, string avatar)
        {
            this.app = app;
            this.from = from;
            this.color = color;
            this.avatar = avatar;
            Text = "Poziv - Fragline";
            TopMost = true;
            MinimizeBox = false;
            ShowInTaskbar = true;
            int W = Theme.D(300), H = Theme.D(330);
            ClientSize = new Size(W, H);
            StartPosition = FormStartPosition.Manual;
            var wa = Screen.PrimaryScreen.WorkingArea;
            Location = new Point(wa.Right - Width - Theme.D(16), wa.Bottom - Height - Theme.D(16));

            pic.SetBounds((W - Theme.D(140)) / 2, Theme.D(16), Theme.D(140), Theme.D(140));
            pic.BackColor = Theme.Bg;
            typeof(Panel).GetProperty("DoubleBuffered", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic).SetValue(pic, true, null);
            pic.Paint += (s, e) =>
            {
                var g = e.Graphics;
                g.SmoothingMode = SmoothingMode.AntiAlias;
                float c = pic.Width / 2f, av = Theme.D(96);
                // valovi koji se sire oko avatara
                for (int k = 0; k < 2; k++)
                {
                    float p = (phase + k * 0.5f) % 1f, rad = av / 2 + p * Theme.D(22);
                    using (var pen = new Pen(Color.FromArgb((int)(170 * (1 - p)), Theme.On), Theme.D(3))) g.DrawEllipse(pen, c - rad, c - rad, rad * 2, rad * 2);
                }
                Theme.Avatar(g, new RectangleF(c - av / 2, c - av / 2, av, av), color, from, avatar, pic, null, Theme.Bg);
            };
            pulse.Tick += (s, e) => { phase = (phase + 0.025f) % 1f; pic.Invalidate(); };
            pulse.Start();

            var name = new Label { Text = from, Font = Theme.Body(20, FontStyle.Bold), ForeColor = Theme.Text, TextAlign = ContentAlignment.MiddleCenter, AutoEllipsis = true };
            name.SetBounds(Theme.D(12), Theme.D(162), W - Theme.D(24), Theme.D(32));
            var sub = new Label { Text = "te zove...", Font = Theme.Body(14), ForeColor = Theme.Muted, TextAlign = ContentAlignment.MiddleCenter };
            sub.SetBounds(Theme.D(12), Theme.D(194), W - Theme.D(24), Theme.D(22));
            int bs = Theme.D(58);
            var decline = new RoundButton(Theme.IcoHangup, "X", "Odbij") { Danger = true };
            var accept = new RoundButton(Theme.IcoPhone, "T", "Javi se") { Good = true };
            decline.SetBounds(W / 2 - bs - Theme.D(24), Theme.D(232), bs, bs);
            accept.SetBounds(W / 2 + Theme.D(24), Theme.D(232), bs, bs);
            var dl = new Label { Text = "Odbij", Font = Theme.Body(12), ForeColor = Theme.Muted, TextAlign = ContentAlignment.MiddleCenter };
            dl.SetBounds(decline.Left - Theme.D(10), decline.Bottom + Theme.D(2), bs + Theme.D(20), Theme.D(18));
            var al = new Label { Text = "Javi se", Font = Theme.Body(12), ForeColor = Theme.Muted, TextAlign = ContentAlignment.MiddleCenter };
            al.SetBounds(accept.Left - Theme.D(10), accept.Bottom + Theme.D(2), bs + Theme.D(20), Theme.D(18));
            decline.Click += (s, e) => { Answered = true; app.AnswerCall(false); };
            accept.Click += (s, e) => { Answered = true; app.AnswerCall(true); };
            Controls.AddRange(new Control[] { pic, name, sub, decline, accept, dl, al });
            FormClosed += (s, e) => pulse.Stop();
        }

        // zatvaranje prozora krizicem = odbijanje
        protected override void OnFormClosing(FormClosingEventArgs e)
        {
            if (!Answered && e.CloseReason == CloseReason.UserClosing) { Answered = true; app.AnswerCall(false); }
            base.OnFormClosing(e);
        }
    }
}

// ===================== Audio.cs =====================
using System;
using System.Collections.Generic;
using NAudio.Wave;
using NAudio.Wave.SampleProviders;

namespace Fragline
{
    // Sve postavke zvuka, spremaju se u %APPDATA%\Fragline\prefs.txt
    static class AudioCfg
    {
        public static int InDevice { get { return Prefs.Int("a_in", -1); } set { Prefs.Set("a_in", value); } }
        public static int OutDevice { get { return Prefs.Int("a_out", -1); } set { Prefs.Set("a_out", value); } }
        public static float InGain { get { return Prefs.Float("a_ingain", 1f); } set { Prefs.Set("a_ingain", value); } }
        public static float OutGain { get { return Prefs.Float("a_outgain", 1f); } set { Prefs.Set("a_outgain", value); } }
        public static bool AutoSens { get { return Prefs.Bool("a_auto", true); } set { Prefs.Set("a_auto", value); } }
        public static float SensDb { get { return Prefs.Float("a_sens", -45f); } set { Prefs.Set("a_sens", value); } }
        public static bool Ptt { get { return Prefs.Bool("ptt", false); } set { Prefs.Set("ptt", value); } }
        public static int PttKey { get { return Prefs.Int("pttkey", 0x05); } set { Prefs.Set("pttkey", value); } }
        public static bool NoiseSuppress { get { return Prefs.Bool("a_ns", true); } set { Prefs.Set("a_ns", value); } }
        public static bool KeySuppress { get { return Prefs.Bool("a_ks", true); } set { Prefs.Set("a_ks", value); } }
        public static bool Agc { get { return Prefs.Bool("a_agc", false); } set { Prefs.Set("a_agc", value); } }
        public static bool HighPass { get { return Prefs.Bool("a_hp", true); } set { Prefs.Set("a_hp", value); } }
        public static int Bitrate { get { return Prefs.Int("a_br", 64000); } set { Prefs.Set("a_br", value); } }
        public static bool Sounds { get { return Prefs.Bool("a_sfx", true); } set { Prefs.Set("a_sfx", value); } }

        public static float UserVol(string name) { return Prefs.Float("uv_" + (name ?? ""), 1f); }
        public static void SetUserVol(string name, float v) { Prefs.Set("uv_" + (name ?? ""), v); }
        public static bool UserMuted(string name) { return Prefs.Bool("um_" + (name ?? ""), false); }
        public static void SetUserMuted(string name, bool m) { Prefs.Set("um_" + (name ?? ""), m); }

        [System.Runtime.InteropServices.StructLayout(System.Runtime.InteropServices.LayoutKind.Sequential, CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
        struct WaveInCaps
        {
            public ushort wMid, wPid;
            public uint vDriverVersion;
            [System.Runtime.InteropServices.MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValTStr, SizeConst = 32)] public string szPname;
            public uint dwFormats;
            public ushort wChannels, wReserved1;
        }

        [System.Runtime.InteropServices.StructLayout(System.Runtime.InteropServices.LayoutKind.Sequential, CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
        struct WaveOutCaps
        {
            public ushort wMid, wPid;
            public uint vDriverVersion;
            [System.Runtime.InteropServices.MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValTStr, SizeConst = 32)] public string szPname;
            public uint dwFormats;
            public ushort wChannels, wReserved1;
            public uint dwSupport;
        }

        [System.Runtime.InteropServices.DllImport("winmm.dll")] static extern int waveInGetNumDevs();
        [System.Runtime.InteropServices.DllImport("winmm.dll", CharSet = System.Runtime.InteropServices.CharSet.Unicode)] static extern int waveInGetDevCaps(IntPtr id, ref WaveInCaps caps, int size);
        [System.Runtime.InteropServices.DllImport("winmm.dll")] static extern int waveOutGetNumDevs();
        [System.Runtime.InteropServices.DllImport("winmm.dll", CharSet = System.Runtime.InteropServices.CharSet.Unicode)] static extern int waveOutGetDevCaps(IntPtr id, ref WaveOutCaps caps, int size);

        public static List<string> Inputs()
        {
            var l = new List<string>();
            try
            {
                int n = waveInGetNumDevs();
                for (int i = 0; i < n; i++)
                {
                    var c = new WaveInCaps();
                    l.Add(waveInGetDevCaps((IntPtr)i, ref c, System.Runtime.InteropServices.Marshal.SizeOf(typeof(WaveInCaps))) == 0 ? c.szPname : "Mikrofon " + (i + 1));
                }
            }
            catch { }
            return l;
        }

        public static List<string> Outputs()
        {
            var l = new List<string>();
            try
            {
                int n = waveOutGetNumDevs();
                for (int i = 0; i < n; i++)
                {
                    var c = new WaveOutCaps();
                    l.Add(waveOutGetDevCaps((IntPtr)i, ref c, System.Runtime.InteropServices.Marshal.SizeOf(typeof(WaveOutCaps))) == 0 ? c.szPname : "Zvučnici " + (i + 1));
                }
            }
            catch { }
            return l;
        }
    }

    static class Fft
    {
        public static void Transform(float[] re, float[] im, bool inverse)
        {
            int n = re.Length;
            for (int i = 1, j = 0; i < n; i++)
            {
                int bit = n >> 1;
                for (; (j & bit) != 0; bit >>= 1) j ^= bit;
                j ^= bit;
                if (i < j)
                {
                    float t = re[i]; re[i] = re[j]; re[j] = t;
                    t = im[i]; im[i] = im[j]; im[j] = t;
                }
            }
            for (int len = 2; len <= n; len <<= 1)
            {
                double ang = 2 * Math.PI / len * (inverse ? 1 : -1);
                double wr = Math.Cos(ang), wi = Math.Sin(ang);
                int half = len / 2;
                for (int i = 0; i < n; i += len)
                {
                    double cr = 1, ci = 0;
                    for (int k = 0; k < half; k++)
                    {
                        int a = i + k, b = a + half;
                        float xr = (float)(re[b] * cr - im[b] * ci);
                        float xi = (float)(re[b] * ci + im[b] * cr);
                        re[b] = re[a] - xr; im[b] = im[a] - xi;
                        re[a] += xr; im[a] += xi;
                        double ncr = cr * wr - ci * wi;
                        ci = cr * wi + ci * wr;
                        cr = ncr;
                    }
                }
            }
            if (inverse) for (int i = 0; i < n; i++) { re[i] /= n; im[i] /= n; }
        }
    }

    class Biquad
    {
        float b0, b1, b2, a1, a2, x1, x2, y1, y2;

        public static Biquad HighPass(float fs, float fc)
        {
            double w = 2 * Math.PI * fc / fs, alpha = Math.Sin(w) / (2 * 0.7071), cs = Math.Cos(w), a0 = 1 + alpha;
            var b = new Biquad();
            b.b0 = (float)((1 + cs) / 2 / a0);
            b.b1 = (float)(-(1 + cs) / a0);
            b.b2 = b.b0;
            b.a1 = (float)(-2 * cs / a0);
            b.a2 = (float)((1 - alpha) / a0);
            return b;
        }

        public void Reset() { x1 = x2 = y1 = y2 = 0; }

        public void Process(float[] s)
        {
            for (int i = 0; i < s.Length; i++)
            {
                float x = s[i];
                float y = b0 * x + b1 * x1 + b2 * x2 - a1 * y1 - a2 * y2;
                x2 = x1; x1 = x; y2 = y1; y1 = y;
                s[i] = y;
            }
        }
    }

    // Utisavanje pozadinske buke: spektralno oduzimanje sa sqrt-Hann prozorom, 50% preklapanja
    class Denoiser
    {
        const int N = 1024, Hop = 480, Win = 960, Bins = N / 2 + 1;
        readonly float[] window = new float[Win];
        readonly float[] inBuf = new float[Win];
        readonly float[] olap = new float[Hop];
        readonly float[] re = new float[N], im = new float[N];
        readonly float[] noise = new float[Bins], smooth = new float[Bins], gain = new float[Bins];
        readonly float[] outp = new float[960];
        int frames;

        public Denoiser()
        {
            for (int i = 0; i < Win; i++) window[i] = (float)Math.Sqrt(0.5 - 0.5 * Math.Cos(2 * Math.PI * i / Win));
            Reset();
        }

        public void Reset()
        {
            Array.Clear(inBuf, 0, Win);
            Array.Clear(olap, 0, Hop);
            Array.Clear(noise, 0, Bins);
            Array.Clear(smooth, 0, Bins);
            for (int i = 0; i < Bins; i++) gain[i] = 1f;
            frames = 0;
        }

        public void Process(float[] buf)
        {
            for (int h = 0; h < 2; h++)
            {
                Array.Copy(inBuf, Hop, inBuf, 0, Hop);
                Array.Copy(buf, h * Hop, inBuf, Hop, Hop);
                for (int i = 0; i < N; i++) { re[i] = i < Win ? inBuf[i] * window[i] : 0f; im[i] = 0f; }
                Fft.Transform(re, im, false);
                frames++;
                for (int k = 0; k < Bins; k++)
                {
                    float p = re[k] * re[k] + im[k] * im[k];
                    smooth[k] = frames == 1 ? p : smooth[k] * 0.7f + p * 0.3f;
                    if (frames <= 15) noise[k] = (noise[k] * (frames - 1) + smooth[k]) / frames;
                    else if (smooth[k] < noise[k]) noise[k] = noise[k] * 0.9f + smooth[k] * 0.1f;
                    else noise[k] *= 1.0025f;
                    float g = 1f - 1.6f * noise[k] / (p + 1e-12f);
                    if (g < 0.1f) g = 0.1f;
                    gain[k] = g > gain[k] ? gain[k] * 0.3f + g * 0.7f : gain[k] * 0.6f + g * 0.4f;
                    re[k] *= gain[k]; im[k] *= gain[k];
                    if (k > 0 && k < N / 2) { re[N - k] *= gain[k]; im[N - k] *= gain[k]; }
                }
                Fft.Transform(re, im, true);
                for (int i = 0; i < Hop; i++)
                {
                    outp[h * Hop + i] = olap[i] + re[i] * window[i];
                    olap[i] = re[Hop + i] * window[Hop + i];
                }
            }
            Array.Copy(outp, buf, 960);
        }
    }

    // Cijeli lanac obrade mikrofona za jedan okvir od 20 ms (960 uzoraka na 48 kHz)
    class MicProcessor
    {
        readonly Biquad hp = Biquad.HighPass(48000, 90);
        readonly Denoiser dn = new Denoiser();
        readonly float[] buf = new float[960];
        readonly short[] cur = new short[960];
        readonly short[] delayed = new short[960];
        float agcGain = 1f, noiseFloorDb = -60f;
        bool haveDelayed, delayedVoice, prevVoice;
        DateTime holdUntil = DateTime.MinValue;
        public float LevelDb = -100f, ThresholdDb = -50f;

        public void Reset()
        {
            dn.Reset(); hp.Reset();
            agcGain = 1f; noiseFloorDb = -60f;
            haveDelayed = false; prevVoice = false;
            LevelDb = -100f;
        }

        static bool IsClick(float[] b, float rms)
        {
            if (rms < 1e-4f) return false;
            float max = 0, sum = 0;
            for (int k = 0; k < 8; k++)
            {
                float e = 0;
                for (int i = k * 120; i < k * 120 + 120; i++) e += b[i] * b[i];
                sum += e;
                if (e > max) max = e;
            }
            float crest = max / Math.Max(sum / 8f, 1e-9f);
            int zc = 0;
            for (int i = 1; i < 960; i++) if ((b[i] >= 0) != (b[i - 1] >= 0)) zc++;
            return crest > 4.5f && zc / 960f > 0.12f;
        }

        // vraca true ako se okvir u "output" treba poslati
        public bool Process(short[] input, short[] output)
        {
            float g = AudioCfg.InGain;
            for (int i = 0; i < 960; i++) buf[i] = input[i] / 32768f * g;
            if (AudioCfg.HighPass) hp.Process(buf);
            if (AudioCfg.NoiseSuppress) dn.Process(buf);

            double sum = 0;
            for (int i = 0; i < 960; i++) sum += buf[i] * buf[i];
            float rms = (float)Math.Sqrt(sum / 960);
            float db = rms > 1e-6f ? 20f * (float)Math.Log10(rms) : -100f;

            if (db < noiseFloorDb) noiseFloorDb = noiseFloorDb * 0.7f + db * 0.3f;
            else noiseFloorDb += 0.02f;
            noiseFloorDb = Math.Max(-90f, Math.Min(-20f, noiseFloorDb));
            float thr = AudioCfg.AutoSens ? Math.Max(-62f, Math.Min(-25f, noiseFloorDb + 14f)) : AudioCfg.SensDb;
            ThresholdDb = thr;
            LevelDb = Math.Max(db, LevelDb - 1.5f);

            bool click = AudioCfg.KeySuppress && IsClick(buf, rms);
            bool voice = db >= thr && !click;

            if (AudioCfg.Agc && voice)
            {
                float want = Math.Max(0.5f, Math.Min(4f, 0.1f / Math.Max(rms, 1e-4f)));
                agcGain += (want - agcGain) * 0.05f;
            }
            float ag = AudioCfg.Agc ? agcGain : 1f;
            for (int i = 0; i < 960; i++)
            {
                float v = buf[i] * ag;
                if (v > 1f) v = 1f; else if (v < -1f) v = -1f;
                cur[i] = (short)(v * 32767f);
            }

            if (AudioCfg.Ptt)
            {
                haveDelayed = false;
                Array.Copy(cur, output, 960);
                return (Native.GetAsyncKeyState(AudioCfg.PttKey) & 0x8000) != 0;
            }

            if (AudioCfg.KeySuppress)
            {
                // jedan okvir kasnjenja: odluka za prethodni okvir gleda i sljedeci, pa kratki klik ne otvara mikrofon
                if (!haveDelayed)
                {
                    Array.Copy(cur, delayed, 960);
                    delayedVoice = voice; prevVoice = false; haveDelayed = true;
                    Array.Clear(output, 0, 960);
                    return false;
                }
                bool open = delayedVoice && (voice || prevVoice);
                if (open) holdUntil = DateTime.UtcNow.AddMilliseconds(400);
                Array.Copy(delayed, output, 960);
                prevVoice = delayedVoice;
                Array.Copy(cur, delayed, 960);
                delayedVoice = voice;
                return open || DateTime.UtcNow < holdUntil;
            }

            haveDelayed = false;
            if (voice) holdUntil = DateTime.UtcNow.AddMilliseconds(350);
            Array.Copy(cur, output, 960);
            return DateTime.UtcNow < holdUntil;
        }
    }

    // Kratki zvukovi za ulazak, izlazak i mikrofon
    class SfxProvider : ISampleProvider
    {
        readonly Queue<float> q = new Queue<float>();
        readonly object lk = new object();
        public WaveFormat WaveFormat { get; } = WaveFormat.CreateIeeeFloatWaveFormat(48000, 1);

        public int Read(float[] buffer, int offset, int count)
        {
            lock (lk) { for (int i = 0; i < count; i++) buffer[offset + i] = q.Count > 0 ? q.Dequeue() : 0f; }
            return count;
        }

        void Play(params float[] notes)
        {
            if (!AudioCfg.Sounds) return;
            lock (lk)
            {
                if (q.Count > 48000) return;
                foreach (var f in notes)
                {
                    const int n = 4320;
                    for (int i = 0; i < n; i++)
                    {
                        float env = Math.Min(1f, i / 200f) * Math.Min(1f, (n - i) / 900f);
                        q.Enqueue((float)(Math.Sin(2 * Math.PI * f * i / 48000.0) * 0.16 * env));
                    }
                }
            }
        }

        public void Join() { Play(660f, 990f); }
        public void Leave() { Play(990f, 660f); }
        public void Mute() { Play(440f); }
        public void Unmute() { Play(880f); }
        public void Connect() { Play(523f, 659f, 784f); }
    }

    // Mikrofon i zvucnici s obradom; koristi ga voice i test mikrofona
    class AudioEngine : IDisposable
    {
        public event Action<short[], bool> Frame;
        public volatile float LevelDb = -100f, ThresholdDb = -50f;
        public volatile bool GateOpen;
        public bool HasMic, HasSpeakers;
        public readonly MixingSampleProvider Mixer;
        public readonly SfxProvider Sfx = new SfxProvider();
        readonly VolumeSampleProvider master;
        readonly MicProcessor proc = new MicProcessor();
        readonly short[] frame = new short[960];
        readonly short[] outPcm = new short[960];
        int fpos;
        WaveInEvent wi;
        WaveOutEvent wo;

        public AudioEngine()
        {
            Mixer = new MixingSampleProvider(WaveFormat.CreateIeeeFloatWaveFormat(48000, 1)) { ReadFully = true };
            Mixer.AddMixerInput(Sfx);
            master = new VolumeSampleProvider(Mixer) { Volume = AudioCfg.OutGain };
        }

        public void Start() { StartOut(); StartIn(); }

        void StartOut()
        {
            HasSpeakers = false;
            foreach (int dev in new[] { AudioCfg.OutDevice, -1 })
            {
                try
                {
                    wo = new WaveOutEvent { DeviceNumber = dev, DesiredLatency = 100, NumberOfBuffers = 3 };
                    wo.Init(new SampleToWaveProvider16(master));
                    wo.Play();
                    HasSpeakers = true;
                    return;
                }
                catch
                {
                    try { if (wo != null) wo.Dispose(); } catch { }
                    wo = null;
                }
            }
        }

        void StartIn()
        {
            HasMic = false;
            foreach (int dev in new[] { AudioCfg.InDevice, -1 })
            {
                try
                {
                    wi = new WaveInEvent { DeviceNumber = dev, WaveFormat = new WaveFormat(48000, 16, 1), BufferMilliseconds = 20, NumberOfBuffers = 4 };
                    wi.DataAvailable += OnData;
                    wi.StartRecording();
                    HasMic = true;
                    return;
                }
                catch
                {
                    try { if (wi != null) { wi.DataAvailable -= OnData; wi.Dispose(); } } catch { }
                    wi = null;
                }
            }
        }

        void StopIn()
        {
            if (wi == null) return;
            try { wi.DataAvailable -= OnData; wi.StopRecording(); wi.Dispose(); } catch { }
            wi = null;
        }

        void StopOut()
        {
            if (wo == null) return;
            try { wo.Stop(); wo.Dispose(); } catch { }
            wo = null;
        }

        public void Restart()
        {
            StopIn();
            StopOut();
            proc.Reset();
            fpos = 0;
            Start();
        }

        public void ApplyVolume() { master.Volume = AudioCfg.OutGain; }

        void OnData(object s, WaveInEventArgs e)
        {
            for (int i = 0; i + 1 < e.BytesRecorded; i += 2)
            {
                frame[fpos++] = (short)(e.Buffer[i] | (e.Buffer[i + 1] << 8));
                if (fpos == 960)
                {
                    fpos = 0;
                    bool open = proc.Process(frame, outPcm);
                    LevelDb = proc.LevelDb;
                    ThresholdDb = proc.ThresholdDb;
                    GateOpen = open;
                    var h = Frame;
                    if (h != null) h(outPcm, open);
                }
            }
        }

        public void Dispose()
        {
            StopIn();
            StopOut();
        }
    }

    // Test mikrofona: cujes sam sebe, s istom obradom kao u voiceu
    class MicTest : IDisposable
    {
        public readonly AudioEngine Audio = new AudioEngine();
        readonly BufferedWaveProvider loop = new BufferedWaveProvider(new WaveFormat(48000, 16, 1)) { BufferDuration = TimeSpan.FromSeconds(1), DiscardOnBufferOverflow = true };

        public MicTest()
        {
            Audio.Mixer.AddMixerInput(new Pcm16BitToSampleProvider(loop));
            Audio.Frame += (pcm, open) =>
            {
                if (!open) return;
                var b = new byte[1920];
                Buffer.BlockCopy(pcm, 0, b, 0, 1920);
                loop.AddSamples(b, 0, 1920);
            };
            Audio.Start();
        }

        public void Dispose() { Audio.Dispose(); }
    }
}

// ===================== Voice.cs =====================
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using NAudio.Wave;
using NAudio.Wave.SampleProviders;
using Concentus.Structs;
using Concentus.Enums;

namespace Fragline
{
    class VPeer
    {
        public uint Sid;
        public string Name = "?";
        public OpusDecoder Dec;
        public BufferedWaveProvider Buf;
        public VolumeSampleProvider Vol;
        public uint LastCtr;
        public DateTime LastAudio = DateTime.MinValue;
    }

    class VoiceClient : IDisposable
    {
        public event Action<string, bool> State;
        public volatile bool Muted, Deafened, Talking;
        public string Room, Label, Warning;
        public AudioEngine Audio;

        readonly object lk = new object();
        readonly object encLock = new object();
        readonly Dictionary<uint, VPeer> peers = new Dictionary<uint, VPeer>();
        readonly System.Threading.ManualResetEvent welcome = new System.Threading.ManualResetEvent(false);
        static readonly WaveFormat Pcm = new WaveFormat(48000, 16, 1);
        UdpClient udp;
        IPEndPoint srv;
        VoiceCrypto cr;
        volatile bool running;
        volatile string kick;
        volatile uint sid;
        int ctr;
        long lastRx;
        bool rosterSeen;
        System.Threading.Thread rx;
        System.Threading.Timer pingTimer;
        OpusEncoder enc;
        readonly byte[] obuf = new byte[1275];

        public bool Connect(string host, int port, string ticket, string keyB64, out string error)
        {
            error = null;
            try
            {
                IPAddress addr;
                if (!IPAddress.TryParse(host, out addr))
                    addr = Dns.GetHostAddresses(host).FirstOrDefault(a => a.AddressFamily == AddressFamily.InterNetwork);
                if (addr == null) { error = "Ne mogu pronaći voice server."; return false; }
                srv = new IPEndPoint(addr, port);
                cr = new VoiceCrypto(Convert.FromBase64String(keyB64));
                udp = new UdpClient(0, AddressFamily.InterNetwork);
                try { udp.Client.IOControl(-1744830452, new byte[] { 0, 0, 0, 0 }, null); } catch { }
                running = true;
                lastRx = DateTime.UtcNow.Ticks;
                rx = new System.Threading.Thread(RxLoop) { IsBackground = true, Name = "fragline-voice" };
                rx.Start();
                var hello = new byte[1 + ticket.Length];
                hello[0] = 1;
                Encoding.ASCII.GetBytes(ticket, 0, ticket.Length, hello, 1);
                for (int i = 0; i < 6 && !welcome.WaitOne(0) && kick == null; i++)
                {
                    udp.Send(hello, hello.Length, srv);
                    welcome.WaitOne(700);
                }
                if (!welcome.WaitOne(0))
                {
                    error = kick ?? "Voice server se ne javlja. Provjeri je li UDP port otvoren.";
                    Dispose();
                    return false;
                }
                StartAudio();
                pingTimer = new System.Threading.Timer(_ => Ping(), null, 3000, 5000);
                return true;
            }
            catch (Exception e)
            {
                error = "Spajanje nije uspjelo: " + e.Message;
                Dispose();
                return false;
            }
        }

        void RxLoop()
        {
            var ep = new IPEndPoint(IPAddress.Any, 0);
            while (running)
            {
                byte[] d;
                try { d = udp.Receive(ref ep); }
                catch { if (!running) return; continue; }
                if (d == null || d.Length < 17 || !ep.Address.Equals(srv.Address)) continue;
                var p = cr.Open(d, d.Length, 1);
                if (p == null) continue;
                System.Threading.Interlocked.Exchange(ref lastRx, DateTime.UtcNow.Ticks);
                switch (d[0])
                {
                    case 2:
                        sid = VoiceCrypto.R32(d, 1);
                        welcome.Set();
                        break;
                    case 5:
                        if (p.Length > 8) OnAudio(VoiceCrypto.R32(p, 0), VoiceCrypto.R32(p, 4), p, 8, p.Length - 8);
                        break;
                    case 8:
                        OnRoster(Encoding.UTF8.GetString(p));
                        break;
                    case 10:
                        kick = Encoding.UTF8.GetString(p);
                        if (welcome.WaitOne(0))
                        {
                            running = false;
                            var h = State;
                            if (h != null) h(kick, false);
                        }
                        return;
                }
            }
        }

        static float VolFor(string name) { return AudioCfg.UserMuted(name) ? 0f : AudioCfg.UserVol(name); }

        VPeer NewPeer(uint s)
        {
            var pr = new VPeer
            {
                Sid = s,
                Dec = OpusDecoder.Create(48000, 1),
                Buf = new BufferedWaveProvider(Pcm) { BufferDuration = TimeSpan.FromSeconds(1), DiscardOnBufferOverflow = true }
            };
            pr.Vol = new VolumeSampleProvider(new Pcm16BitToSampleProvider(pr.Buf)) { Volume = 1f };
            peers[s] = pr;
            if (Audio != null) Audio.Mixer.AddMixerInput(pr.Vol);
            return pr;
        }

        public void RefreshVolumes()
        {
            lock (lk) foreach (var p in peers.Values) p.Vol.Volume = VolFor(p.Name);
        }

        static void Push(BufferedWaveProvider b, short[] pcm, int n)
        {
            var bytes = new byte[n * 2];
            Buffer.BlockCopy(pcm, 0, bytes, 0, n * 2);
            b.AddSamples(bytes, 0, bytes.Length);
        }

        void OnAudio(uint spk, uint sctr, byte[] p, int off, int len)
        {
            if (Deafened) return;
            VPeer peer;
            lock (lk) { if (!peers.TryGetValue(spk, out peer)) peer = NewPeer(spk); }
            var pcm = new short[960];
            lock (peer)
            {
                if (sctr <= peer.LastCtr) return;
                uint gap = peer.LastCtr == 0 ? 0 : sctr - peer.LastCtr - 1;
                peer.LastCtr = sctr;
                double buffered = peer.Buf.BufferedDuration.TotalMilliseconds;
                if (buffered > 400) peer.Buf.ClearBuffer();
                else if (buffered < 20) peer.Buf.AddSamples(new byte[5760], 0, 5760);
                for (uint i = 0; i < Math.Min(gap, 3u); i++)
                {
                    try { int k = peer.Dec.Decode(null, 0, 0, pcm, 0, 960, false); if (k > 0) Push(peer.Buf, pcm, k); } catch { }
                }
                var data = new byte[len];
                Buffer.BlockCopy(p, off, data, 0, len);
                try { int n = peer.Dec.Decode(data, 0, len, pcm, 0, 960, false); if (n > 0) Push(peer.Buf, pcm, n); }
                catch { return; }
                peer.LastAudio = DateTime.UtcNow;
            }
        }

        void OnRoster(string json)
        {
            var arr = J.Parse(json) as object[];
            if (arr == null) return;
            var seen = new HashSet<uint>();
            int added = 0, removed = 0;
            lock (lk)
            {
                foreach (var o in arr)
                {
                    uint s = (uint)J.L(o, "s");
                    if (s == 0 || s == sid) continue;
                    seen.Add(s);
                    VPeer p;
                    if (!peers.TryGetValue(s, out p)) { p = NewPeer(s); added++; }
                    p.Name = J.S(o, "n") ?? "?";
                    p.Vol.Volume = VolFor(p.Name);
                }
                foreach (var k in peers.Keys.Where(k => !seen.Contains(k)).ToList())
                {
                    if (Audio != null) Audio.Mixer.RemoveMixerInput(peers[k].Vol);
                    peers.Remove(k);
                    removed++;
                }
            }
            if (rosterSeen && Audio != null)
            {
                if (added > 0) Audio.Sfx.Join();
                else if (removed > 0) Audio.Sfx.Leave();
            }
            rosterSeen = true;
        }

        void StartAudio()
        {
            enc = OpusEncoder.Create(48000, 1, OpusApplication.OPUS_APPLICATION_VOIP);
            enc.Bitrate = AudioCfg.Bitrate;
            Audio = new AudioEngine();
            lock (lk) foreach (var p in peers.Values) Audio.Mixer.AddMixerInput(p.Vol);
            Audio.Frame += OnFrame;
            Audio.Start();
            if (!Audio.HasMic) Warning = "Mikrofon nije pronađen. Možeš samo slušati.";
            else if (!Audio.HasSpeakers) Warning = "Zvučnici nisu pronađeni.";
            Audio.Sfx.Connect();
        }

        void OnFrame(short[] pcm, bool open)
        {
            bool s = open && !Muted && !Deafened && running && sid != 0;
            Talking = s;
            if (!s) return;
            int n;
            lock (encLock)
            {
                try { n = enc.Encode(pcm, 0, 960, obuf, 0, obuf.Length); }
                catch { return; }
            }
            if (n > 0) Send(3, obuf, n);
        }

        public void ApplyBitrate() { lock (encLock) { if (enc != null) enc.Bitrate = AudioCfg.Bitrate; } }
        public void RestartAudio() { if (Audio != null) Audio.Restart(); }

        public void SetMuted(bool m)
        {
            Muted = m;
            if (Audio != null) { if (m) Audio.Sfx.Mute(); else Audio.Sfx.Unmute(); }
        }

        public void SetDeafened(bool d)
        {
            Deafened = d;
            if (d) lock (lk) foreach (var p in peers.Values) p.Buf.ClearBuffer();
            if (Audio != null) { if (d) Audio.Sfx.Mute(); else Audio.Sfx.Unmute(); }
        }

        void Send(byte type, byte[] payload, int len)
        {
            if (sid == 0 || udp == null || cr == null) return;
            var pkt = cr.Seal(type, sid, (uint)System.Threading.Interlocked.Increment(ref ctr), 0, payload, 0, len);
            try { udp.Send(pkt, pkt.Length, srv); } catch { }
        }

        void Ping()
        {
            if (!running) return;
            long last = System.Threading.Interlocked.Read(ref lastRx);
            if (DateTime.UtcNow.Ticks - last > TimeSpan.FromSeconds(16).Ticks)
            {
                running = false;
                var h = State;
                if (h != null) h("Veza s voice serverom je prekinuta.", false);
                return;
            }
            var b = BitConverter.GetBytes(DateTime.UtcNow.Ticks);
            Send(6, b, b.Length);
        }

        public void Leave()
        {
            if (!running) return;
            Send(9, new byte[0], 0);
            Send(9, new byte[0], 0);
        }

        public List<VMember> LiveMembers()
        {
            lock (lk)
                return peers.Values.OrderBy(p => p.Name)
                    .Select(p => new VMember { Name = p.Name, Speaking = (DateTime.UtcNow - p.LastAudio).TotalMilliseconds < 350 })
                    .ToList();
        }

        public void Dispose()
        {
            running = false;
            try { if (pingTimer != null) pingTimer.Dispose(); } catch { }
            try { if (Audio != null) { Audio.Frame -= OnFrame; Audio.Dispose(); } } catch { }
            try { if (udp != null) udp.Close(); } catch { }
        }
    }
}

// ===================== App.cs =====================
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Microsoft.Win32;

namespace Fragline
{
    class DarkColors : ProfessionalColorTable
    {
        public override Color ToolStripDropDownBackground { get { return Theme.Menu; } }
        public override Color ImageMarginGradientBegin { get { return Theme.Menu; } }
        public override Color ImageMarginGradientMiddle { get { return Theme.Menu; } }
        public override Color ImageMarginGradientEnd { get { return Theme.Menu; } }
        public override Color MenuBorder { get { return Theme.Menu; } }
        public override Color MenuItemBorder { get { return Theme.Accent; } }
        public override Color MenuItemSelected { get { return Theme.Accent; } }
        public override Color MenuItemSelectedGradientBegin { get { return Theme.Accent; } }
        public override Color MenuItemSelectedGradientEnd { get { return Theme.Accent; } }
        public override Color MenuItemPressedGradientBegin { get { return Theme.Accent; } }
        public override Color MenuItemPressedGradientEnd { get { return Theme.Accent; } }
        public override Color SeparatorDark { get { return Theme.Panel3; } }
        public override Color SeparatorLight { get { return Theme.Menu; } }
        public override Color CheckBackground { get { return Theme.Accent; } }
        public override Color CheckSelectedBackground { get { return Theme.Accent; } }
        public override Color CheckPressedBackground { get { return Theme.Accent; } }
    }

    class DarkRenderer : ToolStripProfessionalRenderer
    {
        public DarkRenderer() : base(new DarkColors()) { RoundedEdges = false; }

        protected override void OnRenderItemText(ToolStripItemTextRenderEventArgs e)
        {
            e.TextColor = !e.Item.Enabled ? Theme.Muted : e.Item.Selected ? Color.White : e.Item.ForeColor == Theme.Red ? Theme.Red : Theme.Text2;
            base.OnRenderItemText(e);
        }

        protected override void OnRenderItemCheck(ToolStripItemImageRenderEventArgs e)
        {
            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;
            var r = new RectangleF(e.ImageRectangle.X, e.ImageRectangle.Y, e.ImageRectangle.Width, e.ImageRectangle.Height);
            using (var p = Theme.Round(r, 4))
            using (var b = new SolidBrush(Theme.Accent)) g.FillPath(b, p);
            using (var pen = new Pen(Color.White, 2f))
                g.DrawLines(pen, new[] {
                    new PointF(r.X + r.Width * 0.25f, r.Y + r.Height * 0.52f),
                    new PointF(r.X + r.Width * 0.43f, r.Y + r.Height * 0.70f),
                    new PointF(r.X + r.Width * 0.76f, r.Y + r.Height * 0.32f) });
        }
    }

    // Globalni precaci: 1 = Scroll Lock, 2 = Ctrl+Shift+M, 3 = Ctrl+Shift+D
    class HotkeyWindow : NativeWindow, IDisposable
    {
        readonly Action<int> action;
        public HotkeyWindow(Action<int> a)
        {
            action = a;
            CreateHandle(new CreateParams());
        }
        public void Set(bool shot, bool voice)
        {
            for (int i = 1; i <= 3; i++) Native.UnregisterHotKey(Handle, i);
            const uint norepeat = 0x4000, ctrlShift = 0x2 | 0x4;
            if (shot) Native.RegisterHotKey(Handle, 1, norepeat, 0x91);
            if (voice)
            {
                Native.RegisterHotKey(Handle, 2, norepeat | ctrlShift, 0x4D);
                Native.RegisterHotKey(Handle, 3, norepeat | ctrlShift, 0x44);
            }
        }
        protected override void WndProc(ref Message m)
        {
            if (m.Msg == 0x0312) action(m.WParam.ToInt32());
            base.WndProc(ref m);
        }
        public void Dispose()
        {
            for (int i = 1; i <= 3; i++) Native.UnregisterHotKey(Handle, i);
            DestroyHandle();
        }
    }

    class TrayApp : ApplicationContext
    {
        static readonly string Dir = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "Fragline");
        static readonly string LoginFile = Path.Combine(Dir, "login.dat");
        const string RunKey = @"Software\Microsoft\Windows\CurrentVersion\Run";

        readonly NotifyIcon icon;
        readonly Timer timer = new Timer { Interval = 15000 };
        readonly Timer stateTimer = new Timer { Interval = 6000 };
        readonly HotkeyWindow hotkey;
        readonly ShellForm main;
        readonly ToolStripMenuItem statusItem, loginItem, autoItem, profileItem, voiceLeaveItem, muteItem;
        string token, username, color, avatar, presence, lastGame, notifyTarget;
        bool busy, shooting, hintShown, polling, joining, voiceEnabled, voiceServer, isAdmin;
        List<Friend> friends = new List<Friend>();
        List<ClanItem> clans = new List<ClanItem>();
        Dictionary<string, Friend> prev;
        VoiceClient voice;
        VRoom lastCreated;
        AudioSettingsForm audioForm;

        public string Username { get { return username; } }
        public string ColorHex { get { return color; } }
        public string AvatarUrl { get { return avatar; } }
        public static readonly Version Current = Norm(System.Reflection.Assembly.GetExecutingAssembly().GetName().Version);
        string updateVer, updateUrl, updateSha, updatePage;
        readonly Timer callTimer = new Timer { Interval = 2500 };
        // obavijesti (komentari, lajkovi, spomeni...) s /client/notifs
        readonly Timer notifTimer = new Timer { Interval = 30000 };
        HashSet<string> notifSeen;
        List<NotifItem> lastNotifs = new List<NotifItem>();
        int unreadNotifs;
        bool notifPolling;
        Icon badgeIcon;
        string statusText = "";
        // auto-prepoznavanje game servera (korak 5)
        string lastServerSent, lastSlug;
        // LFG oglasi (korak 6)
        readonly Timer lfgTimer = new Timer { Interval = 60000 };
        bool lfgPolling;
        IncomingCallForm incomingForm;
        string callOutTo, incomingFrom, incomingColor, incomingAvatar;
        bool callOutAccepted, callPolling, callHadPeer;
        bool updateShown, updating;
        public string Presence { get { return presence; } }

        // "Odsutan" sam od sebe kad nitko ne dira mis i tipkovnicu 10 minuta
        public bool AutoIdle { get { return presence == "online" && Prefs.Bool("auto_idle", true) && Native.IdleSeconds() > 600; } }
        string SentPresence { get { return AutoIdle ? "idle" : presence; } }
        bool Dnd { get { return presence == "dnd"; } }
        public VoiceClient Voice { get { return voice; } }
        public bool VoiceEnabled { get { return voiceEnabled; } }
        public bool VoiceServer { get { return voiceServer; } }
        public bool IsAdmin { get { return isAdmin; } }
        public List<ClanItem> Clans { get { return clans; } }

        public TrayApp(bool startHidden)
        {
            Directory.CreateDirectory(Dir);
            Prefs.Load();
            presence = Prefs.Str("presence", "online");
            statusItem = new ToolStripMenuItem("Nisi prijavljen") { Enabled = false };
            profileItem = new ToolStripMenuItem("Moj profil", null, (s, e) => OpenProfile());
            loginItem = new ToolStripMenuItem("Prijavi se", null, (s, e) => { if (token == null) ShowLogin(); else LogoutAndAsk(); });
            autoItem = new ToolStripMenuItem("Pokreni s Windowsima", null, (s, e) => SetAuto(!IsAuto()));
            muteItem = new ToolStripMenuItem("Isključi mikrofon", null, (s, e) => ToggleMute()) { Visible = false };
            voiceLeaveItem = new ToolStripMenuItem("Izađi iz voicea", null, (s, e) => LeaveVoice()) { Visible = false };
            var openItem = new ToolStripMenuItem("Otvori Fragline", null, (s, e) => ShowMain()) { Font = Theme.Body(14, FontStyle.Bold) };

            var menu = new ContextMenuStrip { Renderer = new DarkRenderer(), Font = Theme.Body(14), ShowImageMargin = true };
            menu.Items.Add(openItem);
            menu.Items.Add(statusItem);
            menu.Items.Add(muteItem);
            menu.Items.Add(voiceLeaveItem);
            menu.Items.Add(new ToolStripSeparator());
            menu.Items.Add(new ToolStripMenuItem("Postavke zvuka i mikrofona", null, (s, e) => ShowAudioSettings()));
            menu.Items.Add(new ToolStripMenuItem("Otvori web messenger", null, (s, e) => Open("/app")));
            menu.Items.Add(profileItem);
            menu.Items.Add(new ToolStripMenuItem("Screenshot (Scroll Lock)", null, (s, e) => Screenshot()));
            menu.Items.Add(new ToolStripSeparator());
            menu.Items.Add(autoItem);
            menu.Items.Add(loginItem);
            menu.Items.Add(new ToolStripMenuItem("Izlaz", null, (s, e) => Quit()));
            menu.Opening += (s, e) =>
            {
                autoItem.Checked = IsAuto();
                profileItem.Enabled = token != null;
                voiceLeaveItem.Visible = voice != null;
                muteItem.Visible = voice != null;
                if (voice != null) muteItem.Text = voice.Muted ? "Uključi mikrofon" : "Isključi mikrofon";
            };

            icon = new NotifyIcon { Icon = Program.AppIcon, Text = "Fragline", Visible = true, ContextMenuStrip = menu };
            icon.DoubleClick += (s, e) => ShowMain();
            icon.BalloonTipClicked += (s, e) =>
            {
                var u = notifyTarget;
                var f = u == null ? null : friends.FirstOrDefault(x => x.Username == u);
                if (f != null) OpenChat(f); else ShowMain();
            };
            hotkey = new HotkeyWindow(id =>
            {
                if (id == 1) Screenshot();
                else if (id == 2) ToggleMute();
                else if (id == 3) ToggleDeaf();
            });
            ApplyHotkeys();
            timer.Tick += (s, e) => Beat();
            stateTimer.Tick += (s, e) => PollState();
            callTimer.Tick += (s, e) => PollCall();
            notifTimer.Tick += (s, e) => PollNotifs();
            lfgTimer.Tick += (s, e) => PollLfg();
            // 5.6: novi raspored "Dock" postaje zadani i za postojece korisnike (osim onih na klasicnom Xfire izgledu)
            if (!Prefs.Bool("dock_v1", false))
            {
                if (Prefs.Str("layout", "dock") != "xfire") Prefs.Set("layout", "dock");
                Prefs.Set("dock_v1", true);
            }
            var layout = Prefs.Str("layout", "dock");
            main = layout == "xfire" ? (ShellForm)new XfireForm(this) : layout == "discord" ? (ShellForm)new NeoForm(this) : new OrbitForm(this);
            var handle = main.Handle;

#if PREVIEW
            // probna verzija: automatska prijava testnim racunom
            var pu = Environment.GetEnvironmentVariable("FRAGLINE_USER");
            if (pu != null)
            {
                try
                {
                    var res = Api.Login(pu, Environment.GetEnvironmentVariable("FRAGLINE_PASS") ?? "");
                    token = Api.Field(res, "token"); username = Api.Field(res, "username"); color = Api.Field(res, "color");
                    SaveLogin();
                }
                catch { }
            }
#endif
            LoadLogin();
            if (token == null) ShowLogin();
            else
            {
                ApplyUser();
                Start();
                if (!startHidden) ShowMain();
            }
        }

        public void ApplyHotkeys() { hotkey.Set(Prefs.Bool("hk_shot", true), Prefs.Bool("hk_voice", true)); }

        public void Open(string path) { try { Process.Start(Api.Base + path); } catch { } }
        public void OpenProfile() { if (username != null) Open("/profile/" + Uri.EscapeDataString(username)); }

        public void Tip(string text, ToolTipIcon ic = ToolTipIcon.Info)
        {
            notifyTarget = null;
            Toast.Show("Fragline", text, null, null, ic == ToolTipIcon.Warning || ic == ToolTipIcon.Error ? "warn" : "info", null);
        }

        public string ApiGet(string path)
        {
            var t = token;
            if (t == null) throw new InvalidOperationException("Nisi prijavljen.");
            return Api.Get(path, t);
        }

        public string ApiDel(string path)
        {
            var t = token;
            if (t == null) throw new InvalidOperationException("Nisi prijavljen.");
            return ApiDelete(path, t);
        }

        public string ApiPost(string path, object body)
        {
            var t = token;
            if (t == null) throw new InvalidOperationException("Nisi prijavljen.");
            return Api.PostJ(path, body, t);
        }

        static string ApiDelete(string path, string t)
        {
            using (var wc = new WebClient { Encoding = Encoding.UTF8 })
            {
                wc.Headers[HttpRequestHeader.Accept] = "application/json";
                wc.Headers[HttpRequestHeader.Authorization] = "Bearer " + t;
                return wc.UploadString(Api.Base + path, "DELETE", "");
            }
        }

        public void ShowMain()
        {
            if (token == null) { ShowLogin(); return; }
            main.Show();
            if (main.WindowState == FormWindowState.Minimized) main.WindowState = FormWindowState.Normal;
            main.Activate();
        }

        public void HiddenHint()
        {
            if (hintShown) return;
            hintShown = true;
            Tip("Fragline i dalje radi kraj sata. Dvoklik na plamen ga otvara.");
        }

        void ApplyUser()
        {
            main.User.User = username ?? "";
            main.User.ColorHex = color;
            main.User.Avatar = avatar;
            main.User.Presence = presence;
            main.User.Invalidate();
        }

        public void SetPresence(string p)
        {
            presence = p;
            Prefs.Set("presence", p);
            ApplyUser();
            Beat();
        }

        // Nova tema se primjenjuje pri pokretanju, pa se aplikacija ponovno pokrene
        public void Restart()
        {
            try { Process.Start(Application.ExecutablePath, "--restarted"); } catch { return; }
            Quit();
        }

        public void ShowVoicePage()
        {
            ShowMain();
            main.ShowVoice();
        }

        void SetStatus(string s)
        {
            statusText = s;
            statusItem.Text = s;
            RefreshTrayText();
        }

        void RefreshTrayText()
        {
            var t = "Fragline - " + statusText;
            if (unreadNotifs > 0) t += " • " + unreadNotifs + (unreadNotifs == 1 ? " nova obavijest" : " nepročitanih");
            icon.Text = t.Length > 63 ? t.Substring(0, 63) : t;
        }

        void Start()
        {
            loginItem.Text = "Odjavi se (" + username + ")";
            SetStatus("Spajam se...");
            timer.Start();
            stateTimer.Start();
            callTimer.Start();
            notifTimer.Start();
            lfgTimer.Start();
            Beat();
            PollState();
            PollNotifs();
            PollLfg();
        }

        void CloseChats() { main.CloseChat(null); }

        void Logout()
        {
            timer.Stop();
            stateTimer.Stop();
            callTimer.Stop();
            notifTimer.Stop();
            lfgTimer.Stop();
            notifSeen = null;
            SetUnread(0);
            lastServerSent = null; lastSlug = null;
            CloseIncoming();
            LeaveVoice();
            CloseChats();
            token = null; username = null; avatar = null; lastGame = null; prev = null;
            friends = new List<Friend>();
            clans = new List<ClanItem>();
            try { File.Delete(LoginFile); } catch { }
            loginItem.Text = "Prijavi se";
            SetStatus("Nisi prijavljen");
            main.Hide();
        }

        public void LogoutAndAsk()
        {
            Logout();
            ShowLogin();
        }

        void Quit()
        {
            callTimer.Stop();
            CloseIncoming();
            LeaveVoice();
            timer.Stop();
            stateTimer.Stop();
            notifTimer.Stop();
            lfgTimer.Stop();
            CloseChats();
            if (audioForm != null && !audioForm.IsDisposed) audioForm.Close();
            hotkey.Dispose();
            main.AllowClose = true;
            main.Close();
            icon.Visible = false;
            icon.Dispose();
            ExitThread();
        }

        void ShowLogin()
        {
            using (var f = new LoginForm())
            {
                if (f.ShowDialog() != DialogResult.OK) { if (token == null) SetStatus("Nisi prijavljen"); return; }
                bool first = !File.Exists(LoginFile);
                token = f.Token;
                username = f.Username;
                color = f.UserColor;
                SaveLogin();
                if (first) SetAuto(true);
                ApplyUser();
                Start();
                ShowMain();
            }
        }

        void LoadLogin()
        {
            try
            {
                var data = ProtectedData.Unprotect(File.ReadAllBytes(LoginFile), null, DataProtectionScope.CurrentUser);
                var parts = Encoding.UTF8.GetString(data).Split('\n');
                if (parts.Length >= 2) { username = parts[0]; token = parts[1]; }
                if (parts.Length >= 3) color = parts[2];
            }
            catch { token = null; }
        }

        void SaveLogin()
        {
            try { File.WriteAllBytes(LoginFile, ProtectedData.Protect(Encoding.UTF8.GetBytes(username + "\n" + token + "\n" + (color ?? "")), null, DataProtectionScope.CurrentUser)); }
            catch { }
        }

        public static bool IsAuto()
        {
            using (var k = Registry.CurrentUser.OpenSubKey(RunKey))
                return k != null && k.GetValue("Fragline") != null;
        }

        public static void SetAuto(bool on)
        {
            using (var k = Registry.CurrentUser.CreateSubKey(RunKey))
            {
                if (on) k.SetValue("Fragline", "\"" + Application.ExecutablePath + "\" --tray");
                else k.DeleteValue("Fragline", false);
            }
        }

        // ---------- igra ----------
        async void Beat()
        {
            if (busy || token == null) return;
            busy = true;
            try
            {
                var procs = await Task.Run(() => Process.GetProcesses()
                    .Select(p => { try { return p.ProcessName; } catch { return null; } })
                    .Where(n => n != null).Distinct().ToArray());
                var t = token;
                var sp = SentPresence;
                var res = await Task.Run(() => Api.Heartbeat(t, procs, sp));
                var game = Api.Field(res, "game");
                var since = Api.Field(res, "since");
                var c = Api.Field(res, "color");
                if (c != null && c != color) { color = c; SaveLogin(); ApplyUser(); }
                main.User.Offline = false;
                main.User.Game = game;
                DateTimeOffset dto;
                main.User.SinceUtc = since != null && DateTimeOffset.TryParse(since, CultureInfo.InvariantCulture, DateTimeStyles.None, out dto) ? (DateTime?)dto.UtcDateTime : null;
                main.User.Invalidate();
                SetStatus(game == null ? "Online, nijedna igra" : "Igraš: " + game);
                if (game != null && game != lastGame && !Dnd) Tip("Prepoznato: " + game + ". Scroll Lock = screenshot.");
                lastGame = game;
                lastSlug = Api.Field(res, "slug");
                DetectServer();
            }
            catch (WebException e)
            {
                if (Api.Status(e) == 401 || Api.Status(e) == 403)
                {
                    var msg = Api.ErrorMessage(e);
                    Logout();
                    Tip(msg, ToolTipIcon.Warning);
                }
                else
                {
                    SetStatus("Nema veze sa serverom");
                    main.User.Offline = true;
                    main.User.Invalidate();
                }
            }
            catch { SetStatus("Greška"); }
            finally { busy = false; }
        }

        public async void Screenshot()
        {
            if (token == null) { ShowLogin(); return; }
            if (shooting) return;
            shooting = true;
            string file = Path.Combine(Path.GetTempPath(), "fragline_" + DateTime.Now.ToString("yyyyMMdd_HHmmss") + ".jpg");
            try
            {
                var bounds = Screen.FromHandle(Native.GetForegroundWindow()).Bounds;
                using (var bmp = new Bitmap(bounds.Width, bounds.Height))
                {
                    using (var g = Graphics.FromImage(bmp))
                        g.CopyFromScreen(bounds.Location, Point.Empty, bounds.Size);
                    var enc = ImageCodecInfo.GetImageEncoders().First(x => x.FormatID == ImageFormat.Jpeg.Guid);
                    var ps = new EncoderParameters(1);
                    ps.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 85L);
                    bmp.Save(file, enc, ps);
                }
                System.Media.SystemSounds.Asterisk.Play();
                var t = token;
                var res = await Task.Run(() => Api.Upload(t, file));
                main.SetShot(lastGame, Api.Field(res, "url"));
                Tip("Screenshot je spremljen na tvoj profil.");
            }
            catch (WebException e) { Tip("Screenshot nije poslan: " + Api.ErrorMessage(e), ToolTipIcon.Warning); }
            catch (Exception e) { Tip("Screenshot nije uspio: " + e.Message, ToolTipIcon.Warning); }
            finally
            {
                try { File.Delete(file); } catch { }
                shooting = false;
            }
        }

        // ---------- prijatelji, sobe, obavijesti ----------
        async void PollState()
        {
            if (polling || token == null) return;
            polling = true;
            try
            {
                var t = token;
                var res = await Task.Run(() => Api.Get("/client/state", t));
                var o = J.Parse(res);
                if (o == null) return;
                var list = new List<Friend>();
                foreach (var x in J.A(o, "friends"))
                {
                    list.Add(new Friend
                    {
                        Username = J.S(x, "username"), Color = J.S(x, "color"), Avatar = J.S(x, "avatar"), Presence = J.S(x, "presence"), Status = J.S(x, "status"),
                        Game = J.S(x, "game"), GameIcon = J.S(x, "game_icon"), Since = J.S(x, "since"),
                        Voice = J.S(x, "voice"), Unread = (int)J.L(x, "unread")
                    });
                }
                var cl0 = J.D(o, "client");
                CheckUpdate(J.S(cl0, "version"), J.S(cl0, "url"), J.S(cl0, "sha256"), J.S(cl0, "page"));
                var me = J.D(o, "me");
                isAdmin = J.B(me, "admin");
                var av = J.S(me, "avatar");
                if (av != avatar) { avatar = av; ApplyUser(); }
                var cl = new List<ClanItem>();
                foreach (var x in J.A(o, "clans")) cl.Add(new ClanItem { Id = J.L(x, "id"), Name = J.S(x, "name"), Tag = J.S(x, "tag"), Slug = J.S(x, "slug"), Color = J.S(x, "color"), Owner = J.B(x, "owner") });
                clans = cl;
                main.SetClans(cl);
                var v = J.D(o, "voice");
                voiceEnabled = J.B(v, "enabled");
                voiceServer = J.B(v, "server");
                var rooms = new List<VRoom>();
                foreach (var x in J.A(v, "rooms"))
                {
                    var rm = new VRoom
                    {
                        Key = J.S(x, "key"), Label = J.S(x, "label"), Custom = J.B(x, "custom"), Mine = J.B(x, "mine"),
                        Owner = J.S(x, "owner"), Privacy = J.S(x, "privacy"), Limit = (int)J.L(x, "limit")
                    };
                    foreach (var m in J.A(x, "members")) rm.Members.Add(new VMember { Name = J.S(m, "name"), Color = J.S(m, "color"), Avatar = J.S(m, "avatar"), Speaking = J.B(m, "speaking") });
                    rooms.Add(rm);
                }
                int requests = (int)J.L(o, "requests");
                var reqs = new List<FriendReq>();
                foreach (var x in J.A(o, "incoming")) reqs.Add(new FriendReq { Id = J.L(x, "id"), Username = J.S(x, "username"), Color = J.S(x, "color"), Avatar = J.S(x, "avatar"), Incoming = true });
                foreach (var x in J.A(o, "outgoing")) reqs.Add(new FriendReq { Id = J.L(x, "id"), Username = J.S(x, "username"), Color = J.S(x, "color"), Avatar = J.S(x, "avatar") });
                main.SetRequests(reqs);
                Notify(list);
                friends = list;
                main.SetFriends(list, requests);
                main.Voice.SetRooms(rooms);
            }
            catch { }
            finally { polling = false; }
        }

        void Notify(List<Friend> list)
        {
            if (prev != null)
            {
                foreach (var f in list)
                {
                    Friend p;
                    if (f.Username == null || !prev.TryGetValue(f.Username, out p)) continue;
                    if (Dnd) continue;
                    if (Prefs.Bool("notify_games", true) && f.Game != null && f.Game != p.Game)
                    {
                        var fg = f;
                        Toast.Show(f.Username, "Počeo je igrati " + f.Game, f.Avatar, f.Color, "game", () => OpenChat(fg));
                    }
                    if (f.Unread > p.Unread && !ChatActive(f.Username))
                    {
                        if (Prefs.Bool("notify_msgs", true))
                        {
                            var fm = f;
                            int n = f.Unread;
                            Toast.Show(f.Username, n > 1 ? "Ima " + n + " nepročitanih poruka za tebe. Klikni da odgovoriš." : "Poslao ti je novu poruku. Klikni da odgovoriš.", f.Avatar, f.Color, "msg", () => OpenChat(fm));
                        }
                        if (Prefs.Bool("msg_sound", true)) Ding.Play();
                        if (main.Visible && !main.ContainsFocus) Native.Flash(main);
                    }
                }
            }
            prev = new Dictionary<string, Friend>();
            foreach (var f in list) if (f.Username != null) prev[f.Username] = f;
        }

        // ---------- auto-prepoznavanje game servera ----------
        // Kad igraš, nađi javnu adresu servera iz TCP veza procesa igre i javi je serveru
        // (samo kad se promijeni). Kad igra stane ili je dijeljenje isključeno: očisti.
        async void DetectServer()
        {
            if (token == null) return;
            bool share = Prefs.Bool("share_server", true);
            string addr = "";
            if (share && lastGame != null)
            {
                int pid = ServerScan.ForegroundPid();
                try { addr = await Task.Run(() => ServerScan.Best(pid)) ?? ""; } catch { addr = ""; }
            }
            if (addr == (lastServerSent ?? "")) return; // samo na promjenu
            lastServerSent = addr;
            var body = new Dictionary<string, object> { { "address", addr } };
            if (addr.Length > 0 && lastSlug != null) body["game"] = lastSlug;
            var t = token;
            try { await Task.Run(() => Api.PostJ("/client/server", body, t)); } catch { }
        }

        // ---------- obavijesti (komentari, lajkovi, spomeni) ----------
        // Svakih 30 s: /client/notifs -> badge na tray ikoni + toast za svaku novu stavku.
        async void PollNotifs()
        {
            if (notifPolling || token == null) return;
            notifPolling = true;
            try
            {
                var t = token;
                var o = J.Parse(await Task.Run(() => Api.Get("/client/notifs", t)));
                if (o == null) return;
                int unread = (int)J.L(o, "unread");
                bool first = notifSeen == null;
                if (first) notifSeen = new HashSet<string>();
                bool busy = Native.FullScreenBusy();
                int shown = 0;
                var list = new List<NotifItem>();
                foreach (var x in J.A(o, "items"))
                {
                    var n = new NotifItem
                    {
                        Id = J.S(x, "id"), Who = J.S(x, "who"), WhoColor = J.S(x, "who_color"),
                        Text = J.S(x, "text"), Extra = J.S(x, "extra"), Icon = J.S(x, "icon"),
                        Url = J.S(x, "url"), Ago = J.S(x, "ago"), New = J.B(x, "new")
                    };
                    list.Add(n);
                    if (n.Id == null || notifSeen.Contains(n.Id)) continue;
                    notifSeen.Add(n.Id);
                    // na prvom pollu samo zapamti postojece (bez bujice toastova), badge/listu svejedno postavi
                    if (first || !n.New || Dnd || busy || shown >= 3) continue;
                    var body = (n.Text ?? "") + (string.IsNullOrEmpty(n.Extra) ? "" : " — " + n.Extra);
                    var title = (string.IsNullOrEmpty(n.Icon) ? "" : n.Icon + "  ") + (n.Who ?? "Fragline");
                    var url = n.Url;
                    Toast.Show(title, body, null, n.WhoColor, "info", url == null ? (Action)null : () => { try { Process.Start(url); } catch { } });
                    shown++;
                }
                lastNotifs = list;
                SetUnread(unread);
                main.SetNotifs(unread, list);
            }
            catch { }
            finally { notifPolling = false; }
        }

        public async void MarkNotifsSeen()
        {
            if (token == null || unreadNotifs == 0) return;
            SetUnread(0);
            main.SetNotifs(0, lastNotifs);
            try { var t = token; await Task.Run(() => Api.PostJ("/client/notifs/seen", new Dictionary<string, object>(), t)); }
            catch { }
        }

        void SetUnread(int n)
        {
            unreadNotifs = Math.Max(0, n);
            try { icon.Icon = unreadNotifs > 0 ? BadgeIcon(unreadNotifs) : Program.AppIcon; } catch { }
            RefreshTrayText();
        }

        // Tray ikona s crvenim brojcanikom nepročitanih obavijesti
        Icon BadgeIcon(int n)
        {
            try
            {
                using (var bmp = new Bitmap(32, 32))
                {
                    using (var g = Graphics.FromImage(bmp))
                    {
                        g.Clear(Color.Transparent);
                        g.DrawIcon(Program.AppIcon, new Rectangle(0, 0, 32, 32));
                        g.SmoothingMode = SmoothingMode.AntiAlias;
                        var s = n > 9 ? "9+" : n.ToString(CultureInfo.InvariantCulture);
                        var r = new Rectangle(15, 1, 16, 16);
                        using (var b = new SolidBrush(Color.FromArgb(242, 63, 67))) g.FillEllipse(b, r);
                        using (var pen = new Pen(Color.White, 1.5f)) g.DrawEllipse(pen, r);
                        using (var f = new Font("Segoe UI", 9f, FontStyle.Bold, GraphicsUnit.Pixel))
                            TextRenderer.DrawText(g, s, f, r, Color.White, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter | TextFormatFlags.NoPadding);
                    }
                    var old = badgeIcon;
                    badgeIcon = Icon.FromHandle(bmp.GetHicon());
                    if (old != null) { try { Native.DestroyIcon(old.Handle); } catch { } old.Dispose(); }
                    return badgeIcon;
                }
            }
            catch { return Program.AppIcon; }
        }

        // ---------- LFG (traženje ekipe) ----------
        async void PollLfg()
        {
            if (lfgPolling || token == null) return;
            lfgPolling = true;
            try
            {
                var t = token;
                var o = J.Parse(await Task.Run(() => Api.Get("/client/lfg", t)));
                if (o == null) return;
                var list = new List<LfgItem>();
                foreach (var x in J.A(o, "items"))
                {
                    var li = new LfgItem
                    {
                        Id = J.L(x, "id"), Game = J.S(x, "game"), GameName = J.S(x, "game_name"),
                        Author = J.S(x, "author"), Note = J.S(x, "note"), Slots = (int)J.L(x, "slots"),
                        ExpiresMin = (int)J.L(x, "expires_in_min"), Mine = J.B(x, "mine"), JoinedByMe = J.B(x, "joined_by_me")
                    };
                    foreach (var j in J.A(x, "joined")) { var s = Convert.ToString(j); if (s != null) li.Joined.Add(s); }
                    list.Add(li);
                }
                main.SetLfg(list);
            }
            catch { }
            finally { lfgPolling = false; }
        }

        List<GameItem> games;

        // "Objavi oglas": popis igara dohvaca se jednom, oglas ide na server pa se vidi i na webu
        public async void NewLfg()
        {
            if (token == null) return;
            if (games == null || games.Count == 0)
            {
                try
                {
                    var t = token;
                    var o = J.Parse(await Task.Run(() => Api.Get("/client/games", t)));
                    var list = new List<GameItem>();
                    foreach (var x in J.A(o, "items")) list.Add(new GameItem { Slug = J.S(x, "slug"), Name = J.S(x, "name") });
                    games = list;
                }
                catch (WebException e) { Tip(Api.ErrorMessage(e), ToolTipIcon.Warning); return; }
                catch { games = new List<GameItem>(); }
            }
            DialogResult r;
            using (var f = new LfgCreateForm(this, games)) r = f.ShowDialog(main.Visible ? main : null);
            if (r == DialogResult.OK)
            {
                Toast.Show("Oglas je objavljen", "Vidi se u aplikaciji i na webu u rubrici LFG.", null, null, "info", null);
                PollLfg();
                main.ShowLfg();
            }
        }

        public async Task<string> CreateLfg(string game, int slots, int minutes, string note)
        {
            try
            {
                var body = new Dictionary<string, object> { { "game", game }, { "slots", slots }, { "minutes", minutes }, { "note", note } };
                var t = token;
                await Task.Run(() => Api.PostJ("/client/lfg", body, t));
                return null;
            }
            catch (WebException e) { return Api.ErrorMessage(e); }
            catch (Exception e) { return e.Message; }
        }

        // odjava s tudeg oglasa ili zatvaranje svog
        public async void LfgAction(long id, bool close)
        {
            if (close && !Dialog.Confirm(main, "Zatvoriti oglas?", "Oglas će nestati iz aplikacije i s weba.", "Zatvori oglas", true)) return;
            try
            {
                var t = token;
                await Task.Run(() => Api.PostJ("/client/lfg/" + id + (close ? "/close" : "/leave"), new Dictionary<string, object>(), t));
                Tip(close ? "Oglas je zatvoren." : "Odjavio si se s oglasa.");
                PollLfg();
            }
            catch (WebException e) { Tip(Api.ErrorMessage(e), ToolTipIcon.Warning); }
            catch { }
        }

        public async void JoinLfg(long id)
        {
            try
            {
                var t = token;
                var res = await Task.Run(() => Api.PostJ("/client/lfg/" + id + "/join", new Dictionary<string, object>(), t));
                Tip(Api.Field(res, "message") ?? "Javio si se na oglas.");
                PollLfg();
            }
            catch (WebException e) { Tip(Api.ErrorMessage(e), ToolTipIcon.Warning); }
            catch { }
        }

        bool ChatActive(string u) { return main.ChatActive(u); }

        public bool IsFriend(string name) { return friends.Any(f => f.Username == name); }

        public void OpenChatByName(string name)
        {
            var f = friends.FirstOrDefault(x => x.Username == name);
            if (f != null) OpenChat(f);
        }

        public void OpenChat(Friend f)
        {
            if (f == null) return;
            ShowMain();
            main.OpenChat(f);
        }

        // ---------- dodavanje prijatelja ----------
        public async Task<Tuple<bool, string>> AddFriend(string name)
        {
            try
            {
                var t = token;
                var res = await Task.Run(() => Api.PostJ("/client/friends", new Dictionary<string, object> { { "username", name } }, t));
                PollState();
                return Tuple.Create(true, Api.Field(res, "message") ?? "Zahtjev je poslan.");
            }
            catch (WebException e) { return Tuple.Create(false, Api.ErrorMessage(e)); }
            catch (Exception e) { return Tuple.Create(false, e.Message); }
        }

        public async void AcceptRequest(FriendReq r)
        {
            try
            {
                var t = token;
                await Task.Run(() => Api.PostJ("/client/friends/" + r.Id + "/accept", new Dictionary<string, object>(), t));
                Tip(r.Username + " je sada tvoj prijatelj.");
            }
            catch (WebException e) { Tip(Api.ErrorMessage(e), ToolTipIcon.Warning); }
            catch { }
            PollState();
        }

        public async void DeleteRequest(FriendReq r)
        {
            try
            {
                var t = token;
                await Task.Run(() => ApiDelete("/client/requests/" + r.Id, t));
            }
            catch (WebException e) { Tip(Api.ErrorMessage(e), ToolTipIcon.Warning); }
            catch { }
            PollState();
        }

        public async void RemoveFriend(string name)
        {
            if (!Dialog.Confirm(main, "Ukloni prijatelja", "Jesi li siguran da želiš ukloniti " + name + " iz prijatelja? Morat ćete se ponovno dodati da biste se dopisivali.", "Ukloni prijatelja", true)) return;
            try
            {
                var t = token;
                await Task.Run(() => ApiDelete("/client/friends/" + Uri.EscapeDataString(name), t));
                main.CloseChat(name);
            }
            catch (WebException e) { Tip(Api.ErrorMessage(e), ToolTipIcon.Warning); }
            catch { }
            PollState();
        }

        public void ShowAddFriend() { if (token != null) main.ShowAddFriend(); }
        public void ShowServers() { main.ShowServers(); }
        public string CurrentGame { get { return lastGame; } }

        // ---------- izravni pozivi ----------
        public void CallByName(string name)
        {
            var f = friends.FirstOrDefault(x => x.Username == name);
            if (f != null) Call(f);
        }

        public async void Call(Friend f)
        {
            if (token == null || f == null) return;
            if (!voiceEnabled) { Tip(voiceServer ? "Voice je trenutno isključen." : "Voice server trenutno ne radi.", ToolTipIcon.Warning); return; }
            if (callOutTo != null) { Tip("Već nekoga zoveš.", ToolTipIcon.Warning); return; }
            try
            {
                var t = token;
                var res = await Task.Run(() => Api.PostJ("/client/call", new Dictionary<string, object> { { "username", f.Username } }, t));
                var room = new VRoom { Key = Api.Field(res, "room"), Label = Api.Field(res, "label") };
                await JoinVoiceTask(room);
                if (voice == null || voice.Room != room.Key) { EndCallOnServer(); return; }
                callOutTo = f.Username;
                callOutAccepted = false;
                Ding.Ring(false);
                main.ShowVoice();
                Tip("Zovem " + f.Username + "...");
            }
            catch (WebException e) { Tip(Api.ErrorMessage(e), ToolTipIcon.Warning); }
            catch (Exception e) { Tip(e.Message, ToolTipIcon.Warning); }
        }

        void EndCallOnServer()
        {
            var t = token;
            if (t == null) return;
            Task.Run(() => { try { ApiDelete("/client/call", t); } catch { } });
        }

        void CloseIncoming()
        {
            Ding.StopRing();
            var f = incomingForm;
            incomingForm = null;
            if (f != null && !f.IsDisposed) { f.Answered = true; f.Close(); }
        }

        public async void AnswerCall(bool accept)
        {
            CloseIncoming();
            try
            {
                var t = token;
                var res = await Task.Run(() => Api.PostJ("/client/call/" + (accept ? "accept" : "decline"), new Dictionary<string, object>(), t));
                if (!accept) return;
                ShowMain();
                main.ShowVoice();
                await JoinVoiceTask(new VRoom { Key = Api.Field(res, "room"), Label = Api.Field(res, "label") });
            }
            catch (WebException e) { if (accept) Tip(Api.ErrorMessage(e), ToolTipIcon.Warning); }
            catch { }
        }

        // Svakih 2,5 s: ima li dolaznog poziva i sto je s mojim odlaznim pozivom
        async void PollCall()
        {
            if (callPolling || token == null) return;
            callPolling = true;
            try
            {
                var t = token;
                var o = J.Parse(await Task.Run(() => Api.Get("/client/call", t)));
                if (o == null) return;
                var inc = J.D(o, "incoming");
                if (inc != null)
                {
                    bool alreadyIn = voice != null && voice.Room == J.S(inc, "room");
                    if (!alreadyIn && (incomingForm == null || incomingForm.IsDisposed))
                    {
                        incomingFrom = J.S(inc, "from");
                        incomingColor = J.S(inc, "color");
                        incomingAvatar = J.S(inc, "avatar");
                        incomingForm = new IncomingCallForm(this, incomingFrom, J.S(inc, "color"), J.S(inc, "avatar"));
                        incomingForm.Show();
                        Native.Flash(incomingForm);
                        if (!Dnd) Ding.Ring(true);
                    }
                }
                else if (incomingForm != null && !incomingForm.IsDisposed && !incomingForm.Answered)
                {
                    CloseIncoming();
                    var who = incomingFrom;
                    Toast.Show(who, "Propušten poziv. Klikni da mu napišeš poruku.", incomingAvatar, incomingColor, "call", () => OpenChatByName(who));
                }

                if (callOutTo != null)
                {
                    var outc = J.D(o, "outgoing");
                    var st = outc == null ? "gone" : J.S(outc, "state");
                    if (st == "accepted" && !callOutAccepted) { callOutAccepted = true; Ding.StopRing(); Tip(callOutTo + " se javio."); }
                    else if (!callOutAccepted && st != "ringing" && st != "accepted")
                    {
                        var who = callOutTo;
                        callOutTo = null;
                        EndCallOnServer();
                        LeaveVoice();
                        Tip(st == "declined" ? who + " je odbio poziv." : who + " se ne javlja.");
                    }
                }

                // poziv zavrsava kad druga osoba izade
                if (voice != null && voice.Room != null && voice.Room.StartsWith("call:"))
                {
                    int n = voice.LiveMembers().Count;
                    if (n > 0) callHadPeer = true;
                    else if (callHadPeer)
                    {
                        if (callOutTo != null) { callOutTo = null; EndCallOnServer(); }
                        LeaveVoice();
                        Tip("Poziv je završio.");
                    }
                }
            }
            catch { }
            finally { callPolling = false; }
        }

        // ---------- profilna slika ----------
        public async void ChangeAvatar()
        {
            if (token == null) return;
            string file;
            using (var d = new OpenFileDialog { Title = "Odaberi profilnu sliku", Filter = "Slike|*.png;*.jpg;*.jpeg;*.gif;*.webp;*.bmp;*.avif;*.heic|Sve datoteke|*.*" })
            {
                if (d.ShowDialog(main.Visible ? main : null) != DialogResult.OK) return;
                file = d.FileName;
            }
            try
            {
                if (new FileInfo(file).Length > 15L * 1024 * 1024) { Tip("Slika je veća od 15 MB.", ToolTipIcon.Warning); return; }
                var t = token;
                var res = await Task.Run(() => Api.UploadTo("/client/avatar", t, file));
                avatar = Api.Field(res, "avatar");
                ApplyUser();
                Tip("Profilna slika je promijenjena. Ista je i na webu.");
                PollState();
            }
            catch (WebException e) { Tip(Api.ErrorMessage(e), ToolTipIcon.Warning); }
            catch (Exception e) { Tip("Slika nije poslana: " + e.Message, ToolTipIcon.Warning); }
        }

        public async void RemoveAvatar()
        {
            if (token == null || avatar == null) return;
            try
            {
                var t = token;
                await Task.Run(() => ApiDelete("/client/avatar", t));
                avatar = null;
                ApplyUser();
                Tip("Profilna slika je maknuta.");
            }
            catch (WebException e) { Tip(Api.ErrorMessage(e), ToolTipIcon.Warning); }
            catch { }
        }

        // ---------- nova verzija aplikacije ----------
        static Version Norm(Version v) { return new Version(v.Major, Math.Max(0, v.Minor), Math.Max(0, v.Build)); }

        void CheckUpdate(string ver, string url, string sha, string page)
        {
            Version v;
            if (ver == null || !Version.TryParse(ver.Contains(".") ? ver : ver + ".0", out v) || Norm(v) <= Current) return;
            updateVer = ver; updateUrl = url; updateSha = sha; updatePage = page;
            if (updateShown) return;
            updateShown = true;
            main.ShowUpdate("Dostupna je nova verzija Fragline " + ver + " (imaš " + Current.ToString(2) + ").");
            Tip("Dostupna je nova verzija Fragline " + ver + ". Klikni \"Ažuriraj\" na vrhu prozora.");
        }

        // Preuzme novu verziju, provjeri je i zamijeni ovu datoteku, pa se ponovno pokrene
        public async void DoUpdate()
        {
            if (updating || updateUrl == null) { if (updatePage != null) Open("/preuzmi"); return; }
            updating = true;
            string tmp = Path.Combine(Path.GetTempPath(), "Fragline-" + updateVer + ".exe");
            try
            {
                main.SetUpdateText("Preuzimam novu verziju... 0%", true);
                using (var wc = new WebClient())
                {
                    wc.DownloadProgressChanged += (s, e) => { try { main.BeginInvoke((Action)(() => main.SetUpdateText("Preuzimam novu verziju... " + e.ProgressPercentage + "%", true))); } catch { } };
                    await wc.DownloadFileTaskAsync(new Uri(updateUrl), tmp);
                }
                if (updateSha != null)
                {
                    string got;
                    using (var sha = SHA256.Create()) using (var fs = File.OpenRead(tmp))
                        got = BitConverter.ToString(sha.ComputeHash(fs)).Replace("-", "").ToLowerInvariant();
                    if (got != updateSha.ToLowerInvariant()) throw new IOException("Preuzeta datoteka je oštećena. Pokušaj ponovno.");
                }
                var exe = Application.ExecutablePath;
                var old = exe + ".old";
                try
                {
                    if (File.Exists(old)) File.Delete(old);
                    File.Move(exe, old);
                    File.Copy(tmp, exe);
                }
                catch (Exception)
                {
                    try { if (!File.Exists(exe) && File.Exists(old)) File.Move(old, exe); } catch { }
                    main.SetUpdateText("Ne mogu sam zamijeniti aplikaciju (nema dozvole). Preuzmi novu verziju ručno.", false);
                    Open("/preuzmi");
                    return;
                }
                try { File.Delete(tmp); } catch { }
                Process.Start(exe, "--restarted");
                Quit();
            }
            catch (Exception e)
            {
                main.SetUpdateText("Ažuriranje nije uspjelo: " + (e is WebException ? Api.ErrorMessage((WebException)e) : e.Message), false);
            }
            finally { updating = false; }
        }

        // ---------- klanovi ----------
        public void ShowClanForm(bool browse)
        {
            if (token == null) return;
            using (var f = new ClanForm(this, browse)) f.ShowDialog(main.Visible ? main : null);
            PollState();
        }

        public async Task<string> CreateClan(string name, string tag, string color, string desc)
        {
            try
            {
                var t = token;
                var body = new Dictionary<string, object> { { "name", name }, { "tag", tag }, { "color", color }, { "description", desc } };
                var res = await Task.Run(() => Api.PostJ("/client/clans", body, t));
                Tip(Api.Field(res, "message") ?? "Klan je osnovan.");
                return null;
            }
            catch (WebException e) { return Api.ErrorMessage(e); }
            catch (Exception e) { return e.Message; }
        }

        public async Task<string> JoinClan(long id, string name)
        {
            try
            {
                var t = token;
                await Task.Run(() => Api.PostJ("/client/clans/" + id + "/join", new Dictionary<string, object>(), t));
                PollState();
                return null;
            }
            catch (WebException e) { return Api.ErrorMessage(e); }
            catch (Exception e) { return e.Message; }
        }

        public async void LeaveClan(ClanItem c)
        {
            bool del = c.Owner;
            var ok = del
                ? Dialog.Confirm(main, "Obriši klan", "Obrisati klan " + c.Name + "? Ovo se ne može poništiti, svi članovi ga gube.", "Obriši klan", true)
                : Dialog.Confirm(main, "Napusti klan", "Napustiti klan " + c.Name + "? Uvijek mu se možeš ponovno pridružiti.", "Napusti", true);
            if (!ok) return;
            try
            {
                var t = token;
                var res = await Task.Run(() => del ? ApiDelete("/client/clans/" + c.Id, t) : Api.PostJ("/client/clans/" + c.Id + "/leave", new Dictionary<string, object>(), t));
                Tip(Api.Field(res, "message") ?? "Gotovo.");
            }
            catch (WebException e) { Tip(Api.ErrorMessage(e), ToolTipIcon.Warning); }
            catch { }
            PollState();
        }

        public void ShowCreateRoom()
        {
            if (token == null) return;
            if (!voiceEnabled) { Tip(voiceServer ? "Voice je trenutno isključen." : "Voice server trenutno ne radi.", ToolTipIcon.Warning); return; }
            lastCreated = null;
            DialogResult r;
            using (var f = new CreateRoomForm(this)) r = f.ShowDialog(main.Visible ? main : null);
            if (r == DialogResult.OK && lastCreated != null)
            {
                PollState();
                JoinVoice(lastCreated);
            }
        }

        public async Task<string> CreateRoom(string name, string privacy, long clanId, int limit)
        {
            try
            {
                var body = new Dictionary<string, object> { { "name", name }, { "privacy", privacy }, { "limit", limit } };
                if (clanId > 0) body["clan_id"] = clanId;
                var t = token;
                var res = await Task.Run(() => Api.PostJ("/client/voice/rooms", body, t));
                var o = J.Parse(res);
                lastCreated = new VRoom { Key = J.S(o, "key"), Label = J.S(o, "label"), Custom = true, Mine = true };
                return null;
            }
            catch (WebException e) { return Api.ErrorMessage(e); }
            catch (Exception e) { return e.Message; }
        }

        public async void DeleteRoom(VRoom room)
        {
            if (room == null || room.Key == null || !room.Key.StartsWith("r:")) return;
            try
            {
                var t = token;
                await Task.Run(() => ApiDelete("/client/voice/rooms/" + room.Key.Substring(2), t));
                Tip("Soba " + room.Label + " je obrisana.");
                PollState();
            }
            catch (WebException e) { Tip(Api.ErrorMessage(e), ToolTipIcon.Warning); }
            catch (Exception e) { Tip(e.Message, ToolTipIcon.Warning); }
        }

        // ---------- voice ----------
        public async void JoinVoice(VRoom room) { await JoinVoiceTask(room); }

        async Task JoinVoiceTask(VRoom room)
        {
            if (token == null || joining || room == null) return;
            if (!voiceEnabled) { main.Voice.SetStatus(voiceServer ? "Voice je trenutno isključen." : "Voice server trenutno ne radi."); return; }
            joining = true;
            LeaveVoice();
            main.Voice.SetStatus("Spajam se u " + room.Label + "...");
            try
            {
                var t = token;
                var res = await Task.Run(() => Api.PostJ("/client/voice/join", new Dictionary<string, object> { { "room", room.Key } }, t));
                var o = J.Parse(res);
                var vc = new VoiceClient { Muted = Prefs.Bool("muted", false), Room = J.S(o, "room"), Label = J.S(o, "label") };
                string host = J.S(o, "host"), ticket = J.S(o, "ticket"), key = J.S(o, "key");
                int port = (int)J.L(o, "port");
                string err = null;
                bool ok = await Task.Run(() => vc.Connect(host, port, ticket, key, out err));
                if (!ok) { vc.Dispose(); main.Voice.SetStatus(err ?? "Spajanje nije uspjelo."); return; }
                voice = vc;
                vc.State += (txt, connected) => { try { main.BeginInvoke((Action)(() => OnVoiceState(vc, txt, connected))); } catch { } };
                main.Voice.Attach(vc);
                if (vc.Warning != null) Tip(vc.Warning, ToolTipIcon.Warning);
                else Tip("Spojen si u " + vc.Label + "." + (vc.Muted ? " Mikrofon ti je isključen." : ""));
            }
            catch (WebException e) { main.Voice.SetStatus(Api.ErrorMessage(e)); }
            catch (Exception e) { main.Voice.SetStatus("Greška: " + e.Message); }
            finally { joining = false; }
        }

        void OnVoiceState(VoiceClient vc, string txt, bool connected)
        {
            if (vc != voice || connected) return;
            LeaveVoice();
            main.Voice.SetStatus(txt);
            Tip(txt, ToolTipIcon.Warning);
        }

        public void LeaveVoice()
        {
            // izlazak dok jos zvoni = otkazani poziv
            if (callOutTo != null) { callOutTo = null; EndCallOnServer(); }
            Ding.StopRing();
            callHadPeer = false;
            var vc = voice;
            voice = null;
            if (vc != null) { try { vc.Leave(); } catch { } vc.Dispose(); }
            main.Voice.Attach(null);
        }

        public void ToggleMute()
        {
            // izvan sobe se samo zapamti, pa ulaziš u sobu s isključenim mikrofonom
            if (voice == null) { Prefs.Set("muted", !Prefs.Bool("muted", false)); return; }
            voice.SetMuted(!voice.Muted);
            Prefs.Set("muted", voice.Muted);
        }

        public void ToggleDeaf()
        {
            if (voice == null) { Tip("Nisi u voice sobi."); return; }
            voice.SetDeafened(!voice.Deafened);
        }

        public void ShowAudioSettings()
        {
            if (audioForm != null && !audioForm.IsDisposed) { audioForm.Activate(); return; }
            audioForm = new AudioSettingsForm(this);
            audioForm.Show();
        }

        public void AudioChanged(bool devices)
        {
            if (voice == null) return;
            if (devices) voice.RestartAudio();
            else if (voice.Audio != null) voice.Audio.ApplyVolume();
        }

        public void AudioBitrateChanged() { if (voice != null) voice.ApplyBitrate(); }
        public void UserVolumeChanged() { if (voice != null) voice.RefreshVolumes(); }
    }
}

// ===================== VoiceCrypto.cs =====================
using System;
using System.Security.Cryptography;

namespace Fragline
{
    // AES-128-CTR + HMAC-SHA256 (8 bajtova taga). Paket: [tip:1][sid:4][brojac:4][sifrirano][tag:8]
    public sealed class VoiceCrypto
    {
        readonly ICryptoTransform ecb;
        readonly HMACSHA256 hmac;
        readonly object lk = new object();

        public VoiceCrypto(byte[] key32)
        {
            var ek = new byte[16];
            var mk = new byte[16];
            Buffer.BlockCopy(key32, 0, ek, 0, 16);
            Buffer.BlockCopy(key32, 16, mk, 0, 16);
            var aes = Aes.Create();
            aes.Mode = CipherMode.ECB;
            aes.Padding = PaddingMode.None;
            aes.Key = ek;
            ecb = aes.CreateEncryptor();
            hmac = new HMACSHA256(mk);
        }

        public static void W32(byte[] b, int o, uint v)
        {
            b[o] = (byte)v; b[o + 1] = (byte)(v >> 8); b[o + 2] = (byte)(v >> 16); b[o + 3] = (byte)(v >> 24);
        }

        public static uint R32(byte[] b, int o)
        {
            return (uint)(b[o] | (b[o + 1] << 8) | (b[o + 2] << 16) | (b[o + 3] << 24));
        }

        void Xor(uint sid, uint ctr, byte dir, byte[] src, int so, int len, byte[] dst, int dof)
        {
            var blk = new byte[16];
            var ks = new byte[16];
            W32(blk, 0, sid); W32(blk, 4, ctr); blk[8] = dir;
            int n = 0;
            for (int i = 0; i < len; i += 16, n++)
            {
                W32(blk, 12, (uint)n);
                ecb.TransformBlock(blk, 0, 16, ks, 0);
                int m = Math.Min(16, len - i);
                for (int j = 0; j < m; j++) dst[dof + i + j] = (byte)(src[so + i + j] ^ ks[j]);
            }
        }

        public byte[] Seal(byte type, uint sid, uint ctr, byte dir, byte[] p, int off, int len)
        {
            lock (lk)
            {
                var pk = new byte[9 + len + 8];
                pk[0] = type; W32(pk, 1, sid); W32(pk, 5, ctr);
                Xor(sid, ctr, dir, p, off, len, pk, 9);
                var tag = hmac.ComputeHash(pk, 0, 9 + len);
                Buffer.BlockCopy(tag, 0, pk, 9 + len, 8);
                return pk;
            }
        }

        public byte[] Open(byte[] pk, int len, byte dir)
        {
            if (len < 17) return null;
            lock (lk)
            {
                var tag = hmac.ComputeHash(pk, 0, len - 8);
                int diff = 0;
                for (int i = 0; i < 8; i++) diff |= tag[i] ^ pk[len - 8 + i];
                if (diff != 0) return null;
                uint sid = R32(pk, 1), ctr = R32(pk, 5);
                var outp = new byte[len - 17];
                Xor(sid, ctr, dir, pk, 9, len - 17, outp, 0);
                return outp;
            }
        }
    }
}