using System.Collections.Generic;
using UnityEngine;

namespace MSCO
{
    /// <summary>
    /// Multiplayer-Launcher im Hauptmenü (dunkles Design mit Seitenleiste, Statusleiste
    /// und Minimieren). Seiten: P2P (Spieler hostet selbst) und Server Browser (Platzhalter,
    /// dort kommt später auch Direct Connect zu dedizierten Servern hin).
    /// </summary>
    public class LobbyUI
    {
        enum Page { P2P, ServerBrowser, Favorites }

        // Vollbild, automatisch skaliert: gebaut für RefHeight x RefWidth, vergrößert/verkleinert passend zur Auflösung
        const float RefHeight = 760f;
        const float RefWidth = 1180f;
        const float MinScale = 0.8f, MaxScale = 1.75f;
        const float SidebarWidth = 240f;
        const float StatusHeight = 40f;
        const float MaxContentWidth = 1100f;
        float vw, vh;                  // Bildschirmgröße in Pixeln
        static float uiScale = 1f;     // Skalierung passend zur Auflösung
        float stylesScale = -1f;       // für diese Skalierung wurden die Stile gebaut
        float contentHeight = 400f;    // Höhe des Inhaltsbereichs - Listen wachsen damit

        // Maße (S) und Schriftgrößen/Abstände (P) werden direkt in Bildschirmpixeln berechnet - Schrift und Kanten
        // werden so in voller Auflösung gezeichnet (scharf), statt ein kleines Bild hochzuziehen
        static float S(float v) { return Mathf.Round(v * uiScale); }
        static int P(int v) { return Mathf.Max(1, Mathf.RoundToInt(v * uiScale)); }

        /// <summary>Höhe für eine Liste: was nach "reserved" für Überschriften/Knöpfe übrig bleibt.</summary>
        float ListHeight(float reserved, float min) { return Mathf.Max(min, contentHeight - reserved); }


        static readonly Color Background = Hex(0x17, 0x17, 0x1b);
        static readonly Color Sidebar = Hex(0x0f, 0x0f, 0x12);
        static readonly Color Field = Hex(0x24, 0x24, 0x2a);
        static readonly Color FieldFocus = Hex(0x2e, 0x2e, 0x36);
        static readonly Color Accent = Hex(0xf2, 0x6b, 0x1d);
        static readonly Color AccentHover = Hex(0xff, 0x82, 0x3a);
        static readonly Color Secondary = Hex(0x2c, 0x2c, 0x33);
        static readonly Color SecondaryHover = Hex(0x3a, 0x3a, 0x43);
        static readonly Color Muted = Hex(0x8e, 0x8e, 0x99);
        static readonly Color Online = Hex(0x3d, 0xd6, 0x8c);
        static readonly Color Pending = Hex(0xf2, 0xc2, 0x1d);
        static readonly Color Gold = Hex(0xff, 0xb4, 0x5a);    // hervorgehobene (featured) Server

        Page page = Page.P2P;
        Vector2 profileScroll;
        bool quitConfirm;
        Vector2 playerScroll;
        Vector2 serverScroll;
        bool browserLoaded;
        string selectedServer;        // "adresse:port" des geöffneten Server-Profils
        string searchInput = "";
        bool showSteam = true, showNonSteam = true, hideFull;
        readonly Dictionary<string, string> nicknameEdits = new Dictionary<string, string>(); // Favoriten-Tab: Adresse -> bearbeiteter Kurzname
        string favoriteAddInput = "";
        Vector2 favoritesScroll;
        Texture2D texHeartOn, texHeartOff;
        string nameInput;
        string directInput;
        const string PrefDirect = "MSCO_LastServer";

        bool stylesReady;
        Texture2D texBackground, texSidebar, texAccent, texOnline, texPending, texMuted, texRow;
        Texture2D texDivider, texGold, texBarBack, texBarFill, texBarFull;
        GUIStyle rowHoverBox, pingGoodStyle, pingMidStyle, pingBadStyle;
        List<ServerListEntry> shownAll, shownServers; // Stand des letzten Layout-Durchgangs
        string layoutError;
        GUIStyle dangerStyle;
        GUIStyle windowBox, sidebarBox, rowBox, accentBox, pillStyle, pillMutedStyle, chipOnStyle, chipOffStyle;
        GUIStyle featuredRowBox, pillFeaturedStyle;
        GUIStyle logoStyle, taglineStyle, navStyle, navActiveStyle, titleStyle, textStyle, captionStyle,
                 fieldStyle, primaryStyle, secondaryStyle, statusStyle, tabStyle, headerCellStyle,
                 rowNameStyle, rowTagStyle, badgeStyle, toggleStyle, placeholderStyle;

        /// <summary>Fläche, die das Fenster gerade belegt (GUI-Koordinaten, oben = 0).</summary>
        public Rect ScreenRect { get; private set; }

        /// <summary>
        /// Eingeklappt: nur eine kleine MSCO-Leiste oben, das Startmenü des Spiels (Optionen, Farbe, Musik ...) ist wieder
        /// sichtbar und bedienbar. Bei Meldungen (getrennt, neu verbinden, beitreten ...) klappt der Launcher von selbst auf.
        /// </summary>
        public bool Minimized { get; set; }

        /// <summary>Aufgeklappt füllt der Launcher den ganzen Bildschirm - das Spielmenü dahinter ist dann gesperrt.</summary>
        public bool IsOpen { get { return !Minimized; } }

        /// <summary>Ist die Maus gerade über dem Fenster bzw. der eingeklappten Leiste?</summary>
        public bool ContainsMouse()
        {
            Vector3 m = Input.mousePosition;
            return ScreenRect.Contains(new Vector2(m.x, Screen.height - m.y));
        }

        public void Draw(MultiplayerManager mp)
        {
            uiScale = Mathf.Clamp(Mathf.Min(Screen.height / RefHeight, Screen.width / RefWidth), MinScale, MaxScale);
            EnsureStyles(); // baut die Stile neu, wenn sich die Skalierung ändert (Auflösung gewechselt)
            vw = Screen.width;
            vh = Screen.height;
            // Wichtige Meldungen nie hinter der eingeklappten Leiste verstecken
            if (Minimized && !mp.IsInSession && (mp.DisconnectNotice != null || mp.PendingJoinHost != null || mp.PendingVersionWarning != null))
                Minimized = false;
            if (Minimized && mp.IsReconnecting) Minimized = false;
            if (Minimized) { DrawMinimized(mp); return; }
            ScreenRect = new Rect(0, 0, Screen.width, Screen.height);
            DrawScaled(mp);
        }

        void DrawScaled(MultiplayerManager mp)
        {
            // Undurchsichtiger Hintergrund über das ganze Spielmenü (Logo, Farbauswahl, Knöpfe ... sind dahinter verborgen)
            if (texScreen == null) texScreen = Solid(Hex(0x0d, 0x0d, 0x10));
            GUI.DrawTexture(new Rect(0, 0, vw, vh), texScreen);
            bool pendingJoin = mp.PendingJoinHost != null && !mp.IsInSession;
            bool versionWarning = mp.PendingVersionWarning != null && !mp.IsInSession;
            bool disconnected = mp.DisconnectNotice != null && !mp.IsInSession;
            // Getrennt / Neu-Verbinden: eigenes Fenster in der Bildmitte, alles andere gesperrt
            if (disconnected) { DrawPrompt(mp, false); return; }
            if (mp.IsReconnecting) { DrawPrompt(mp, true); return; }
            var window = new Rect(0, 0, vw, vh);
            GUI.Box(window, GUIContent.none, windowBox);

            DrawSidebar(new Rect(0, 0, S(SidebarWidth), vh - S(StatusHeight)));

            // Inhalt mittig im freien Bereich, nicht beliebig breit (lesbar bleiben)
            float free = vw - S(SidebarWidth);
            float width = Mathf.Min(S(MaxContentWidth), free - S(96f));
            var content = new Rect(S(SidebarWidth) + Mathf.Round((free - width) / 2f), S(40f), width, vh - S(StatusHeight) - S(72f));
            contentHeight = content.height;
            GUILayout.BeginArea(content);
            if (versionWarning) DrawVersionWarning(mp);
            else if (pendingJoin) DrawJoinConfirm(mp);
            else if (mp.IsInSession) DrawSession(mp);
            else if (page == Page.P2P) DrawP2P(mp);
            else if (page == Page.Favorites) DrawFavorites(mp);
            else DrawServerBrowser(mp);
            GUILayout.EndArea();

            DrawStatusBar(mp, new Rect(0, vh - S(StatusHeight), vw, S(StatusHeight)));

            // Einklappen (oben rechts): das Startmenü des Spiels wird wieder sichtbar
            var minimize = new Rect(vw - S(54), S(12), S(40), S(32));
            if (GUI.Button(minimize, new GUIContent("–", "Minimize - show the game's start menu"), secondaryStyle)) Minimized = true;
        }

        /// <summary>Eingeklappt: kleine Leiste oben in der Mitte mit Verbindungsstand - Klick öffnet den Launcher wieder.</summary>
        void DrawMinimized(MultiplayerManager mp)
        {
            float w = S(300), h = S(40);
            var bar = new Rect(Mathf.Round((vw - w) / 2f), S(10), w, h);
            ScreenRect = bar;
            GUI.Box(bar, GUIContent.none, sidebarBox);
            Texture2D logo = Branding.LogoTexture;
            float x = bar.x + S(10);
            if (logo != null)
            {
                GUI.DrawTexture(new Rect(x, bar.y + S(6), S(28), S(28)), logo);
                x += S(36);
            }
            Texture2D dot = mp.IsFullyConnected ? texOnline : mp.IsInSession || mp.IsReconnecting ? texPending : texMuted;
            GUI.DrawTexture(new Rect(x, bar.y + (h - S(8)) / 2f, S(8), S(8)), dot);
            string text = mp.IsInSession ? "MSCO  ·  " + mp.Players.Count + " player(s)  ·  open" : "MSCO  ·  open multiplayer";
            GUI.Label(new Rect(x + S(16), bar.y, bar.xMax - x - S(24), h), text, statusStyle);
            if (GUI.Button(bar, new GUIContent("", "Open the MSCO launcher"), GUIStyle.none)) Minimized = false;
        }

        // ---------------------------------------------------------------- Bereiche

        void DrawSidebar(Rect r)
        {
            GUI.Box(r, GUIContent.none, sidebarBox);
            // Logo + Schriftzug
            Texture2D logo = Branding.LogoTexture;
            float textX = r.x + S(22);
            if (logo != null)
            {
                GUI.DrawTexture(new Rect(r.x + S(20), r.y + S(20), S(44), S(44)), logo);
                textX = r.x + S(72);
            }
            GUI.Label(new Rect(textX, r.y + S(24), r.xMax - textX, S(40)), "MSCO", logoStyle);
            GUI.Label(new Rect(r.x + S(22), r.y + S(70), r.width - S(30), S(20)), "MY SUMMER CAR ONLINE", taglineStyle);
            GUI.DrawTexture(new Rect(r.x + S(20), r.y + S(98), r.width - S(40), S(1)), texDivider);

            float y = r.y + S(110);
            if (NavButton(new Rect(r.x, y, r.width, S(42)), "P2P", page == Page.P2P)) page = Page.P2P;
            y += S(44);
            if (NavButton(new Rect(r.x, y, r.width, S(42)), "Server Browser", page == Page.ServerBrowser)) page = Page.ServerBrowser;
            y += S(44);
            int favCount = Favorites.All.Count;
            if (NavButton(new Rect(r.x, y, r.width, S(42)), "Favorites" + (favCount > 0 ? "  (" + favCount + ")" : ""), page == Page.Favorites)) page = Page.Favorites;

            // Eigenes Hauptmenü: Spiel beenden (die Knöpfe des Spiel-Menüs sind ausgeblendet)
            if (quitConfirm)
            {
                if (GUI.Button(new Rect(r.x + S(16), r.yMax - S(118), r.width - S(32), S(36)), "QUIT GAME?", dangerStyle)) Application.Quit();
                if (GUI.Button(new Rect(r.x + S(16), r.yMax - S(76), r.width - S(32), S(30)), "CANCEL", tabStyle)) quitConfirm = false;
            }
            else if (GUI.Button(new Rect(r.x + S(16), r.yMax - S(76), r.width - S(32), S(36)), "QUIT", tabStyle)) quitConfirm = true;

            GUI.Label(new Rect(r.x + S(24), r.yMax - S(30), r.width - S(48), S(20)), "v" + MSCO.ModVersion, taglineStyle);
        }

        bool NavButton(Rect r, string text, bool active)
        {
            if (active) GUI.Box(new Rect(r.x + S(4), r.y + S(8), S(4), r.height - S(16)), GUIContent.none, accentBox); // Akzentbalken links
            return GUI.Button(r, text, active ? navActiveStyle : navStyle);
        }

        void DrawP2P(MultiplayerManager mp)
        {
            GUILayout.Label("P2P", titleStyle);
            GUILayout.Label("Host a game and invite up to " + (MultiplayerManager.MaxPlayers - 1) +
                            " friends through Steam - continue your own save or start a new game.", textStyle);
            GUILayout.Space(S(18));

            if (mp.SteamAvailable)
            {
                if (GUILayout.Button("HOST GAME", primaryStyle, GUILayout.Height(S(46)), GUILayout.Width(S(250))))
                    mp.HostSteam();
                GUILayout.Space(S(14));
                GUILayout.Label("To join a friend: accept their invite in Steam, or right-click them in your " +
                                "Steam friends list and choose \"Join Game\".", textStyle);
            }
            else
            {
                GUILayout.Label("Steam is not running - start the game through Steam to host or join.", textStyle);
            }
        }

        void DrawServerBrowser(MultiplayerManager mp)
        {
            ServerBrowser browser = mp.Browser;
            // Beim ersten Öffnen laden, danach automatisch alle 15 s (Spielerzahl, Ping, neue Server)
            if (!browserLoaded || (!browser.Loading && Time.realtimeSinceStartup - browser.LastRefresh > ServerBrowser.AutoRefreshSeconds))
            {
                browserLoaded = true;
                browser.Refresh(mp);
            }

            // Server, die auf die direkte Abfrage nicht antworten (z.B. gerade geschlossen), gar nicht zeigen
            // Unity-GUI läuft in mehreren Durchgängen (Layout, Klick, Zeichnen). Die Liste nur im Layout-Durchgang
            // übernehmen - ändert sie sich dazwischen (Aktualisierung im Hintergrund), bricht das Layout sonst ab
            if (shownAll == null || Event.current.type == EventType.Layout)
                shownAll = browser.Servers.FindAll(s => !s.Offline);
            List<ServerListEntry> all = shownAll;

            // Server-Profil (Klick auf einen Server)
            if (selectedServer != null)
            {
                ServerListEntry selected = all.Find(s => s.Address + ":" + s.Port == selectedServer);
                DrawServerProfile(mp, selected);
                return;
            }

            GUILayout.BeginHorizontal();
            // Titel darf nicht vom REFRESH-Button zusammengedrückt werden (sonst Zeilenumbruch)
            GUILayout.Label("Server Browser", titleStyle, GUILayout.ExpandWidth(true));
            if (GUILayout.Button(browser.Loading ? "LOADING..." : "REFRESH", tabStyle, GUILayout.Height(S(28)), GUILayout.Width(S(110))))
                browser.Refresh(mp);
            GUILayout.EndHorizontal();

            // Suche + Filter
            GUILayout.BeginHorizontal();
            searchInput = GUILayout.TextField(searchInput, 40, fieldStyle, GUILayout.Height(S(26)), GUILayout.Width(S(170)));
            if (string.IsNullOrEmpty(searchInput))
            {
                Rect field = GUILayoutUtility.GetLastRect();
                GUI.Label(new Rect(field.x + S(10), field.y, field.width, field.height), "Search...", placeholderStyle);
            }
            GUILayout.Space(S(12));
            showSteam = Chip(showSteam, "STEAM");
            GUILayout.Space(S(6));
            showNonSteam = Chip(showNonSteam, "NON-STEAM");
            GUILayout.Space(S(6));
            hideFull = Chip(hideFull, "HIDE FULL");
            GUILayout.EndHorizontal();
            GUILayout.Space(S(6));

            string search = (searchInput ?? "").Trim().ToLower();
            if (shownServers == null || Event.current.type == EventType.Layout)
                shownServers = all.FindAll(s =>
                    (s.RequireSteam ? showSteam : showNonSteam) &&
                    (!hideFull || s.Players < s.MaxPlayers) &&
                    (search.Length == 0 || (s.Name ?? "").ToLower().Contains(search) || (s.Owner ?? "").ToLower().Contains(search) ||
                     (s.Tags != null && s.Tags.Exists(t => (t ?? "").Contains(search)))));
            List<ServerListEntry> servers = shownServers;
            string shownError = Event.current.type == EventType.Layout ? (layoutError = browser.Error) : layoutError;

            // Tabellenkopf
            Rect header = GUILayoutUtility.GetRect(S(10), S(26), GUILayout.ExpandWidth(true));
            GUI.Box(header, GUIContent.none, rowBox);
            GUI.Label(new Rect(header.x + S(12), header.y, header.width * 0.48f, header.height), "SERVER NAME", headerCellStyle);
            GUI.Label(new Rect(header.x + header.width * 0.5f, header.y, S(70), header.height), "PLAYERS", headerCellStyle);
            GUI.Label(new Rect(header.x + header.width * 0.62f, header.y, S(70), header.height), "TYPE", headerCellStyle);
            GUI.Label(new Rect(header.x + header.width * 0.76f, header.y, S(50), header.height), "PING", headerCellStyle);

            serverScroll = GUILayout.BeginScrollView(serverScroll, GUILayout.Height(ListHeight(S(230f), S(140f))));
            if (shownError != null) GUILayout.Label(shownError, textStyle);
            if (servers.Count == 0)
                GUILayout.Label(browser.Loading ? "Loading servers..." : all.Count > 0 ? "No servers match your filters." : "No servers online right now.", textStyle);
            foreach (ServerListEntry s in servers)
            {
                Rect row = GUILayoutUtility.GetRect(S(10), S(34), GUILayout.ExpandWidth(true));
                // Hervorgehobene Server (Keymaster-Admin) stehen oben - der Master liefert sie zuerst
                var rowRect = new Rect(row.x, row.y + S(2), row.width, row.height - S(4));
                bool hover = rowRect.Contains(Event.current.mousePosition);
                GUI.Box(rowRect, GUIContent.none, s.Featured ? featuredRowBox : hover ? rowHoverBox : rowBox);
                if (s.Featured) GUI.DrawTexture(new Rect(row.x, row.y + S(8), S(3), row.height - S(16)), texGold);

                // Herz: als Favorit merken / entfernen (vor dem Zeilen-Knopf, damit es den Klick bekommt)
                Heart(new Rect(row.xMax - S(58), row.y + S(7), S(20), S(20)), s);

                // Klick auf die Zeile öffnet das Server-Profil (dort wird verbunden)
                if (GUI.Button(new Rect(row.x, row.y, row.width, row.height), GUIContent.none, GUIStyle.none))
                    selectedServer = s.Address + ":" + s.Port;

                GUI.DrawTexture(new Rect(row.x + S(10), row.y + S(13), S(8), S(8)), s.Ping < 0 ? texPending : texOnline);
                float nameX = row.x + S(26);
                Favorites.Favorite fav = Favorites.FindByAddress(s.Address, s.Port);
                if (s.Featured) nameX += Pill(nameX, row, "FEATURED", pillFeaturedStyle);
                if (fav != null) nameX += Pill(nameX, row, fav.Nickname, pillMutedStyle);
                if (s.IsLocal)
                {
                    // Server auf diesem PC (localhost)
                    nameX += Pill(nameX, row, "LOCAL", pillStyle);
                }
                if (!string.IsNullOrEmpty(s.Version) && !MSCO.Compatible(s.Version))
                {
                    nameX += Pill(nameX, row, "v" + s.Version, pillStyle); // abweichende Version
                }
                GUI.Label(new Rect(nameX, row.y, row.x + row.width * 0.49f - nameX, row.height), s.Name, rowNameStyle);
                // Spielerzahl mit Füllbalken (wie auf der Website)
                float px = row.x + row.width * 0.5f;
                GUI.Label(new Rect(px, row.y - S(3), S(70), row.height), s.Players + "/" + s.MaxPlayers, rowNameStyle);
                float fill = s.MaxPlayers > 0 ? Mathf.Clamp01((float)s.Players / s.MaxPlayers) : 0f;
                GUI.DrawTexture(new Rect(px, row.y + S(24), S(48), S(3)), texBarBack);
                GUI.DrawTexture(new Rect(px, row.y + S(24), Mathf.Max(S(2f), S(48) * fill), S(3)), fill >= 1f ? texBarFull : texBarFill);
                Pill(row.x + row.width * 0.62f, row, s.RequireSteam ? "STEAM" : "NO STEAM", s.RequireSteam ? pillStyle : pillMutedStyle);
                GUI.Label(new Rect(row.x + row.width * 0.76f, row.y, S(60), row.height), s.Ping < 0 ? "..." : s.Ping + " ms", PingStyle(s.Ping));
                GUI.Label(new Rect(row.xMax - S(30), row.y, S(20), row.height), "›", headerCellStyle); // Hinweis: Profil öffnen
            }
            GUILayout.EndScrollView();

            GUILayout.FlexibleSpace();
            GUILayout.BeginHorizontal();
            if (!mp.SteamAvailable)
            {
                // Ohne Steam: eigener Name (nur für Non-Steam-Server)
                GUILayout.BeginVertical(GUILayout.Width(S(150)));
                GUILayout.Label("YOUR NAME", captionStyle);
                DrawNameField(mp, 150);
                GUILayout.EndVertical();
                GUILayout.Space(S(10));
            }
            GUILayout.BeginVertical();
            GUILayout.Label("DIRECT CONNECT", captionStyle);
            GUILayout.BeginHorizontal();
            directInput = GUILayout.TextField(directInput, fieldStyle, GUILayout.Height(S(34)));
            GUILayout.Space(S(10));
            if (GUILayout.Button("CONNECT", primaryStyle, GUILayout.Height(S(34)), GUILayout.Width(S(110))))
            {
                string host;
                int port;
                if (ServerBrowser.TryParseAddress(directInput, out host, out port))
                {
                    PlayerPrefs.SetString(PrefDirect, directInput.Trim());
                    mp.JoinServer(host, port);
                }
            }
            GUILayout.EndHorizontal();
            GUILayout.EndVertical();
            GUILayout.EndHorizontal();
        }

        static bool CanJoin(MultiplayerManager mp, ServerListEntry s)
        {
            return s.Players < s.MaxPlayers && (!s.RequireSteam || mp.SteamAvailable);
        }

        void DrawNameField(MultiplayerManager mp, float width)
        {
            if (nameInput == null) nameInput = mp.PlayerName;
            string edited = GUILayout.TextField(nameInput, 24, fieldStyle, GUILayout.Height(S(34)), GUILayout.Width(width));
            if (edited != nameInput)
            {
                nameInput = edited;
                if (edited.Trim().Length > 0) mp.PlayerName = edited.Trim();
            }
        }

        // ---------------------------------------------------------------- Favoriten

        /// <summary>Herz: gefüllt = Favorit. Klick merkt den Server (Kurzname aus dem Namen) bzw. entfernt ihn.</summary>
        void Heart(Rect r, ServerListEntry s)
        {
            EnsureHearts();
            Favorites.Favorite fav = Favorites.FindByAddress(s.Address, s.Port);
            bool hover = r.Contains(Event.current.mousePosition);
            GUI.DrawTexture(r, fav != null || hover ? texHeartOn : texHeartOff);
            if (GUI.Button(r, GUIContent.none, GUIStyle.none))
            {
                if (fav != null) Favorites.Remove(fav);
                else AddFavorite(s.Name, s.Address, s.Port);
            }
        }

        static void AddFavorite(string serverName, string host, int port)
        {
            // Kurzname aus dem Servernamen; ist er schon vergeben, eine Zahl anhängen
            string baseNick = Favorites.SuggestNickname(serverName), nick = baseNick;
            for (int i = 2; Favorites.Find(nick) != null && i < 100; i++) nick = baseNick + i;
            string error = Favorites.Set(nick, host, port, serverName);
            if (error != null) MscoLog.Warning(error);
        }

        /// <summary>Tab "Favorites": Kurznamen setzen, beitreten, entfernen, per Adresse hinzufügen.</summary>
        void DrawFavorites(MultiplayerManager mp)
        {
            EnsureHearts();
            GUILayout.Label("Favorites", titleStyle);
            GUILayout.Label("Give each server a nickname - switch in the game with  /switch <nickname>  in the chat or F7 console.", textStyle);
            GUILayout.Space(S(8));

            List<Favorites.Favorite> favs = Favorites.All;
            favoritesScroll = GUILayout.BeginScrollView(favoritesScroll, GUILayout.Height(ListHeight(S(190f), S(160f))));
            if (favs.Count == 0)
                GUILayout.Label("No favorites yet. Click the heart next to a server in the Server Browser, or add one by address below.", textStyle);
            Favorites.Favorite remove = null;
            foreach (Favorites.Favorite f in favs)
            {
                ServerListEntry live = mp.Browser.Servers.Find(x => x.Port == f.Port && string.Equals(x.Address, f.Host, System.StringComparison.OrdinalIgnoreCase));
                GUILayout.BeginHorizontal(rowBox, GUILayout.Height(S(44)));
                GUILayout.Space(S(6));

                // Herz (entfernen)
                Rect heart = GUILayoutUtility.GetRect(S(22), S(22), GUILayout.Width(S(22)), GUILayout.Height(S(40)));
                Rect heartIcon = new Rect(heart.x, heart.y + S(10), S(20), S(20));
                GUI.DrawTexture(heartIcon, texHeartOn);
                if (GUI.Button(heartIcon, GUIContent.none, GUIStyle.none)) remove = f;
                GUILayout.Space(S(8));

                // Kurzname bearbeiten
                string edit;
                if (!nicknameEdits.TryGetValue(f.Address, out edit)) edit = f.Nickname;
                GUILayout.BeginVertical(GUILayout.Width(S(150)));
                GUILayout.Space(S(7));
                edit = GUILayout.TextField(edit, 20, fieldStyle, GUILayout.Height(S(28)), GUILayout.Width(S(150)));
                GUILayout.EndVertical();
                nicknameEdits[f.Address] = edit;
                GUILayout.Space(S(6));
                bool changed = Favorites.CleanNickname(edit) != f.Nickname;
                GUILayout.BeginVertical(GUILayout.Width(S(64)));
                GUILayout.Space(S(7));
                GUI.enabled = changed;
                if (GUILayout.Button("SAVE", tabStyle, GUILayout.Height(S(28)), GUILayout.Width(S(64))))
                {
                    string error = Favorites.Set(edit, f.Host, f.Port, f.ServerName);
                    if (error != null) MscoLog.Warning(error);
                    nicknameEdits.Remove(f.Address);
                }
                GUI.enabled = true;
                GUILayout.EndVertical();
                GUILayout.Space(S(10));

                // Server + Status
                GUILayout.BeginVertical();
                GUILayout.Space(S(4));
                GUILayout.Label(string.IsNullOrEmpty(f.ServerName) ? f.Address : f.ServerName, rowNameStyle);
                GUILayout.Label(live == null ? f.Address + "  ·  not listed / offline"
                                             : f.Address + "  ·  " + live.Players + "/" + live.MaxPlayers + "  ·  " + (live.Ping < 0 ? "..." : live.Ping + " ms"), textStyle);
                GUILayout.EndVertical();
                GUILayout.FlexibleSpace();

                GUILayout.BeginVertical(GUILayout.Width(S(90)));
                GUILayout.Space(S(7));
                if (GUILayout.Button("JOIN", primaryStyle, GUILayout.Height(S(30)), GUILayout.Width(S(90)))) mp.SwitchServer(f.Nickname);
                GUILayout.EndVertical();
                GUILayout.Space(S(6));
                GUILayout.EndHorizontal();
                GUILayout.Space(S(4));
            }
            if (remove != null) { Favorites.Remove(remove); nicknameEdits.Remove(remove.Address); }
            GUILayout.EndScrollView();

            GUILayout.FlexibleSpace();
            GUILayout.Label("ADD BY ADDRESS", captionStyle);
            GUILayout.BeginHorizontal();
            favoriteAddInput = GUILayout.TextField(favoriteAddInput ?? "", 60, fieldStyle, GUILayout.Height(S(34)));
            if (string.IsNullOrEmpty(favoriteAddInput))
            {
                Rect field = GUILayoutUtility.GetLastRect();
                GUI.Label(new Rect(field.x + S(10), field.y, field.width, field.height), "host:port", placeholderStyle);
            }
            GUILayout.Space(S(10));
            if (GUILayout.Button("ADD", secondaryStyle, GUILayout.Height(S(34)), GUILayout.Width(S(110))))
            {
                string host;
                int port;
                if (ServerBrowser.TryParseAddress(favoriteAddInput, out host, out port))
                {
                    ServerListEntry live = mp.Browser.Servers.Find(x => x.Port == port && x.Address == host);
                    AddFavorite(live != null ? live.Name : host, host, port);
                    favoriteAddInput = "";
                }
                else MscoLog.Warning("Enter an address like 1.2.3.4:7777");
            }
            GUILayout.EndHorizontal();
        }

        void EnsureHearts()
        {
            if (texHeartOn != null && texHeartOff != null) return;
            texHeartOn = HeartTexture(new Color(0.93f, 0.28f, 0.33f), true);
            texHeartOff = HeartTexture(new Color(1f, 1f, 1f, 0.35f), false);
        }

        /// <summary>Herz als Textur (gefüllt oder nur Umriss), weich geglättet.</summary>
        static Texture2D HeartTexture(Color color, bool filled)
        {
            const int size = 48;
            var tex = new Texture2D(size, size, TextureFormat.ARGB32, false);
            for (int py = 0; py < size; py++)
                for (int px = 0; px < size; px++)
                {
                    // Herz-Kurve (x² + y² - 1)³ - x² y³ <= 0, mehrfach abgetastet für glatte Kanten
                    int inside = 0, samples = 0;
                    for (int sy = 0; sy < 3; sy++)
                        for (int sx = 0; sx < 3; sx++)
                        {
                            float x = ((px + (sx + 0.5f) / 3f) / size - 0.5f) * 2.6f;
                            float y = ((py + (sy + 0.5f) / 3f) / size - 0.55f) * 2.6f;
                            float a = x * x + y * y - 1f;
                            bool inHeart = a * a * a - x * x * y * y * y <= 0f;
                            if (!filled && inHeart)
                            {
                                // Umriss: innen ein kleineres Herz aussparen
                                float x2 = x * 1.28f, y2 = (y + 0.08f) * 1.28f;
                                float b = x2 * x2 + y2 * y2 - 1f;
                                if (b * b * b - x2 * x2 * y2 * y2 * y2 <= 0f) inHeart = false;
                            }
                            if (inHeart) inside++;
                            samples++;
                        }
                    tex.SetPixel(px, py, new Color(color.r, color.g, color.b, color.a * inside / samples));
                }
            tex.filterMode = FilterMode.Bilinear;
            tex.wrapMode = TextureWrapMode.Clamp;
            tex.Apply();
            tex.hideFlags = HideFlags.HideAndDontSave;
            return tex;
        }

        /// <summary>Server-Profil: wem der Server gehört, Version, Spieler, Laufzeit ...</summary>
        void DrawServerProfile(MultiplayerManager mp, ServerListEntry s)
        {
            if (GUILayout.Button("◂  BACK", tabStyle, GUILayout.Height(S(26)), GUILayout.Width(S(90))))
            {
                selectedServer = null;
                return;
            }
            GUILayout.Space(S(8));

            if (s == null)
            {
                GUILayout.Label("Server offline", titleStyle);
                GUILayout.Label("This server does not respond anymore.", textStyle);
                return;
            }

            // Kopf: Name + Abzeichen links, JOIN rechts - immer sichtbar
            GUILayout.BeginHorizontal();
            GUILayout.BeginVertical();
            GUILayout.Label(s.Name, titleStyle);
            GUILayout.BeginHorizontal();
            Rect badgeRow = GUILayoutUtility.GetRect(S(10), S(20), GUILayout.ExpandWidth(true));
            float bx = badgeRow.x;
            if (s.Featured) bx += Pill(bx, badgeRow, "FEATURED", pillFeaturedStyle);
            bool official = s.Tags != null && s.Tags.Contains("official"); // vergibt nur ein MSCO-Admin
            if (official) bx += Pill(bx, badgeRow, "OFFICIAL", pillStyle);
            bx += Pill(bx, badgeRow, s.RequireSteam ? "STEAM" : "NON-STEAM", s.RequireSteam ? pillStyle : pillMutedStyle);
            if (s.IsLocal) bx += Pill(bx, badgeRow, "LOCAL", pillStyle);
            if (!MSCO.Compatible(s.Version)) bx += Pill(bx, badgeRow, "v" + s.Version, pillStyle);
            if (s.Tags != null)
                foreach (string tag in s.Tags)
                    if (!string.IsNullOrEmpty(tag) && tag != "featured" && tag != "official") bx += Pill(bx, badgeRow, tag.ToUpper(), pillMutedStyle);
            GUILayout.EndHorizontal();
            GUILayout.EndVertical();
            GUILayout.Space(S(12));
            Rect heartSlot = GUILayoutUtility.GetRect(S(44), S(44), GUILayout.Width(S(44)), GUILayout.Height(S(44)));
            GUI.Box(heartSlot, GUIContent.none, rowBox);
            Heart(new Rect(heartSlot.x + S(11), heartSlot.y + S(11), S(22), S(22)), s);
            GUILayout.Space(S(8));
            GUI.enabled = CanJoin(mp, s);
            if (GUILayout.Button(s.Players >= s.MaxPlayers ? "SERVER FULL" : "JOIN SERVER", primaryStyle, GUILayout.Height(S(44)), GUILayout.Width(S(180))))
                mp.JoinServer(s.Address, s.Port, s.Name, s.MaxPlayers);
            GUI.enabled = true;
            GUILayout.EndHorizontal();
            if (!string.IsNullOrEmpty(s.Description)) GUILayout.Label(s.Description, textStyle);
            GUILayout.Space(S(10));

            // Ohne Steam: Name wählen (sauber in einem eigenen Kasten)
            if (s.RequireSteam && !mp.SteamAvailable)
            {
                GUILayout.BeginHorizontal(rowBox, GUILayout.Height(S(40)));
                GUILayout.Label("This server requires Steam - start the game through Steam to join.", textStyle);
                GUILayout.EndHorizontal();
                GUILayout.Space(S(10));
            }
            else if (!mp.SteamAvailable)
            {
                GUILayout.BeginHorizontal(rowBox, GUILayout.Height(S(44)));
                GUILayout.Space(S(6));
                GUILayout.BeginVertical(GUILayout.Width(S(110)));
                GUILayout.Space(S(4));
                GUILayout.Label("PLAYING AS", captionStyle);
                GUILayout.Label("no Steam", textStyle);
                GUILayout.EndVertical();
                GUILayout.BeginVertical();
                GUILayout.Space(S(5));
                DrawNameField(mp, 220);
                GUILayout.EndVertical();
                GUILayout.FlexibleSpace();
                GUILayout.EndHorizontal();
                GUILayout.Space(S(10));
            }

            // Infos links, Spielerliste rechts
            bool versionOk = MSCO.Compatible(s.Version);
            GUILayout.BeginHorizontal();
            GUILayout.BeginVertical(GUILayout.Width(S(250)));
            InfoLine("HOSTED BY", string.IsNullOrEmpty(s.Owner) ? "unknown" : s.Owner, rowNameStyle);
            InfoLine("VERSION", "v" + s.Version + (versionOk ? "" : "  (you: v" + MSCO.ModVersion + ")"), versionOk ? rowNameStyle : badgeStyle);
            InfoLine("STEAM", s.RequireSteam ? "Required" : "Not required", rowNameStyle);
            InfoLine("ONLINE FOR", s.UptimeSeconds >= 0 ? FormatUptime(s.UptimeSeconds) : "-", rowNameStyle);
            InfoLine("PING", s.Ping < 0 ? "-" : s.Ping + " ms", PingStyle(s.Ping));
            InfoLine("ADDRESS", s.Address + ":" + s.Port, rowNameStyle);
            GUILayout.EndVertical();
            GUILayout.Space(S(16));

            GUILayout.BeginVertical(rowBox, GUILayout.ExpandWidth(true), GUILayout.MinHeight(S(150)));
            GUILayout.Space(S(6));
            GUILayout.Label("PLAYERS  " + s.Players + " / " + s.MaxPlayers, captionStyle);
            profileScroll = GUILayout.BeginScrollView(profileScroll, GUILayout.Height(ListHeight(S(330f), S(130f))));
            if (s.PlayerNames == null || s.PlayerNames.Count == 0)
                GUILayout.Label("Nobody online right now.", textStyle);
            else
                foreach (string name in s.PlayerNames)
                {
                    Rect line = GUILayoutUtility.GetRect(S(10), S(24), GUILayout.ExpandWidth(true));
                    GUI.DrawTexture(new Rect(line.x + S(2), line.y + S(8), S(8), S(8)), texOnline);
                    GUI.Label(new Rect(line.x + S(18), line.y, line.width - S(18), line.height), name, rowNameStyle);
                }
            GUILayout.EndScrollView();
            GUILayout.EndVertical();
            GUILayout.EndHorizontal();
            GUILayout.FlexibleSpace();
        }

        /// <summary>Eine Info-Zeile: Bezeichnung links (grau), Wert rechts.</summary>
        void InfoLine(string caption, string value, GUIStyle valueStyle)
        {
            GUILayout.BeginHorizontal(GUILayout.Height(S(26)));
            GUILayout.Label(caption, captionStyle, GUILayout.Width(S(100)));
            GUILayout.Label(value, valueStyle);
            GUILayout.EndHorizontal();
        }

        /// <summary>Kleines abgerundetes Abzeichen, so breit wie sein Text. Gibt die belegte Breite zurück.</summary>
        static float Pill(float x, Rect row, string text, GUIStyle style)
        {
            Vector2 size = style.CalcSize(new GUIContent(text));
            GUI.Label(new Rect(x, row.y + (row.height - S(18)) / 2f, size.x, S(18)), text, style);
            return size.x + S(8);
        }

        /// <summary>Filter-Chip (an = orange umrandet), ersetzt die Unity-Häkchen.</summary>
        bool Chip(bool on, string text)
        {
            if (GUILayout.Button(text, on ? chipOnStyle : chipOffStyle, GUILayout.Height(S(26)), GUILayout.ExpandWidth(false))) on = !on;
            return on;
        }

        void InfoRow(string caption, string value, GUIStyle valueStyle)
        {
            GUILayout.Label(caption, captionStyle);
            GUILayout.Label(value, valueStyle);
            GUILayout.Space(S(2));
        }

        /// <summary>Ping farbig: grün gut, gelb geht so, rot schlecht.</summary>
        GUIStyle PingStyle(int ping)
        {
            if (ping < 0) return rowNameStyle;
            return ping < 80 ? pingGoodStyle : ping < 160 ? pingMidStyle : pingBadStyle;
        }

        static string FormatUptime(int seconds)
        {
            int days = seconds / 86400, hours = seconds / 3600 % 24, minutes = seconds / 60 % 60;
            if (days > 0) return days + "d " + hours + "h";
            if (hours > 0) return hours + "h " + minutes + "m";
            return Mathf.Max(1, minutes) + " min";
        }

        /// <summary>Server hat eine andere Version: warnen, Verbinden nur auf Wunsch.</summary>
        void DrawVersionWarning(MultiplayerManager mp)
        {
            MultiplayerManager.VersionWarning w = mp.PendingVersionWarning;
            GUILayout.Label("Version mismatch", titleStyle);
            GUILayout.Label("This server runs a different MSCO version than you. You can still join, but things may not " +
                            "sync correctly (players, items, cars). For the best experience use the same version.", textStyle);
            GUILayout.Space(S(16));

            GUILayout.Label("SERVER", captionStyle);
            GUILayout.Label(w.Name + "  (" + w.Host + ":" + w.Port + ")", rowNameStyle);
            GUILayout.Space(S(8));
            GUILayout.Label("VERSIONS", captionStyle);
            GUILayout.Label("Server v" + w.ServerVersion + "   -   You v" + MSCO.ModVersion, rowTagStyle);
            GUILayout.Space(S(22));

            GUILayout.BeginHorizontal();
            if (GUILayout.Button("JOIN ANYWAY", primaryStyle, GUILayout.Height(S(42)), GUILayout.Width(S(170))))
                mp.ConfirmVersionWarning();
            GUILayout.Space(S(10));
            if (GUILayout.Button("CANCEL", secondaryStyle, GUILayout.Height(S(42)), GUILayout.Width(S(170))))
                mp.CancelVersionWarning();
            GUILayout.EndHorizontal();
        }

        /// <summary>Nachfrage nach einem JOIN-Link der Website (keine Webseite soll einen ungefragt verbinden).</summary>
        void DrawJoinConfirm(MultiplayerManager mp)
        {
            GUILayout.Label("Join server?", titleStyle);
            GUILayout.Label("You opened a join link from the server list.", textStyle);
            GUILayout.Space(S(18));

            GUILayout.Label("SERVER ADDRESS", captionStyle);
            GUILayout.Label(mp.PendingJoinHost + ":" + mp.PendingJoinPort, rowNameStyle);
            GUILayout.Space(S(24));

            if (!mp.SteamAvailable)
                GUILayout.Label("Steam is required to join servers - start the game through Steam.", textStyle);

            GUILayout.BeginHorizontal();
            GUI.enabled = mp.SteamAvailable;
            if (GUILayout.Button("JOIN", primaryStyle, GUILayout.Height(S(42)), GUILayout.Width(S(170))))
                mp.ConfirmPendingJoin();
            GUI.enabled = true;
            GUILayout.Space(S(10));
            if (GUILayout.Button("CANCEL", secondaryStyle, GUILayout.Height(S(42)), GUILayout.Width(S(170))))
                mp.CancelPendingJoin();
            GUILayout.EndHorizontal();
        }

        const float PromptWidth = 540f;
        const float PromptHeight = 270f;
        Texture2D texDim, texDanger, texScreen;
        GUIStyle promptTextStyle;

        /// <summary>
        /// Fenster in der Bildmitte über abgedunkeltem Hintergrund: nach dem Trennen (Kick, Ban, Shutdown, Timeout ...)
        /// mit Grund und OK, bzw. beim automatischen Neu-Verbinden nach reset-world mit Versuch-Anzeige und CANCEL.
        /// </summary>
        void DrawPrompt(MultiplayerManager mp, bool reconnecting)
        {
            if (texDim == null) texDim = Solid(new Color(0f, 0f, 0f, 0.6f));
            if (texDanger == null) texDanger = Solid(Hex(0xe5, 0x48, 0x4d));
            if (promptTextStyle == null || promptTextStyle.fontSize != P(15))
            {
                promptTextStyle = new GUIStyle(rowNameStyle);
                promptTextStyle.wordWrap = true;
                promptTextStyle.fontSize = P(15);
            }
            GUI.DrawTexture(new Rect(0, 0, vw, vh), texDim);

            var r = new Rect(Mathf.Round((vw - S(PromptWidth)) / 2f), Mathf.Round((vh - S(PromptHeight)) / 2f), S(PromptWidth), S(PromptHeight));
            UiTheme.DrawShadow(r);
            GUI.Box(r, GUIContent.none, windowBox);
            string title = reconnecting
                ? ((mp.ReconnectMessage ?? "").StartsWith("Switching") ? "SWITCHING SERVER" : "RECONNECTING")
                : mp.DisconnectTitle;
            bool bad = !reconnecting && title != "DISCONNECTED";
            GUI.DrawTexture(new Rect(r.x, r.y, r.width, S(4)), bad ? texDanger : texAccent);

            float x = r.x + S(32), w = r.width - S(64), y = r.y + S(28);
            GUI.Label(new Rect(x, y, w, S(34)), title, titleStyle);
            y += S(50);
            GUI.Label(new Rect(x, y, w, S(20)), "REASON", captionStyle);

            if (reconnecting)
            {
                GUI.Label(new Rect(x, y + S(22), w, S(44)), mp.ReconnectMessage ?? "", promptTextStyle);
                string attempt = mp.ReconnectAttempt == 0
                    ? "Connecting again in a moment..."
                    : "Attempt " + mp.ReconnectAttempt + " of " + mp.ReconnectMaxAttempts +
                      (string.IsNullOrEmpty(mp.Status) ? "" : " - " + mp.Status);
                GUI.Label(new Rect(x, y + S(74), w, S(40)), attempt, textStyle);
                if (GUI.Button(new Rect(r.xMax - S(32) - S(170), r.yMax - S(28) - S(42), S(170), S(42)), "CANCEL", secondaryStyle)) mp.CancelReconnect();
                return;
            }

            GUI.Label(new Rect(x, y + S(22), w, S(60)), mp.DisconnectNotice ?? "", promptTextStyle);
            GUI.Label(new Rect(x, y + S(88), w, S(20)), "Your own save game has been restored.", textStyle);
            if (GUI.Button(new Rect(r.xMax - S(32) - S(170), r.yMax - S(28) - S(42), S(170), S(42)), "OK", primaryStyle)) mp.ClearDisconnectNotice();
        }

        bool newGameConfirm;

        /// <summary>Host: eigenen Spielstand weiterspielen oder ein neues Spiel anlegen (mit Sicherheitsabfrage).</summary>
        void DrawHostStart(MultiplayerManager mp)
        {
            System.DateTime? saved = SaveSync.LocalSaveTime;
            if (newGameConfirm)
            {
                GUILayout.BeginVertical(rowBox);
                GUILayout.Space(S(6));
                GUILayout.Label("START A NEW GAME?", captionStyle);
                GUILayout.Label(saved != null
                    ? "Your current save game is kept as a backup in MSCO_Saves - everyone starts in a fresh world."
                    : "Everyone starts in a fresh world.", textStyle);
                GUILayout.Space(S(6));
                GUILayout.BeginHorizontal();
                if (GUILayout.Button("YES, NEW GAME", dangerStyle, GUILayout.Height(S(38)), GUILayout.Width(S(170))))
                {
                    newGameConfirm = false;
                    mp.StartHostNewGame();
                }
                GUILayout.Space(S(8));
                if (GUILayout.Button("CANCEL", secondaryStyle, GUILayout.Height(S(38)), GUILayout.Width(S(110)))) newGameConfirm = false;
                GUILayout.FlexibleSpace();
                GUILayout.EndHorizontal();
                GUILayout.Space(S(6));
                GUILayout.EndVertical();
                return;
            }

            GUILayout.BeginHorizontal();
            GUI.enabled = saved != null;
            GUILayout.BeginVertical(GUILayout.Width(S(190)));
            if (GUILayout.Button("CONTINUE", primaryStyle, GUILayout.Height(S(42)), GUILayout.Width(S(190))))
                mp.StartHostGame();
            GUILayout.Label(saved != null ? "saved " + saved.Value.ToString("dd.MM.yyyy HH:mm") : "no save game yet", captionStyle);
            GUILayout.EndVertical();
            GUI.enabled = true;
            GUILayout.Space(S(10));
            GUILayout.BeginVertical(GUILayout.Width(S(190)));
            if (GUILayout.Button("NEW GAME", secondaryStyle, GUILayout.Height(S(42)), GUILayout.Width(S(190))))
            {
                if (saved != null) newGameConfirm = true;
                else mp.StartHostNewGame();
            }
            GUILayout.Label("fresh world for everyone", captionStyle);
            GUILayout.EndVertical();
            GUILayout.FlexibleSpace();
            GUILayout.EndHorizontal();
        }

        void DrawSession(MultiplayerManager mp)
        {
            GUILayout.Label(mp.IsHost ? "Hosting" : "Connected", titleStyle);
            GUILayout.Label(mp.IsHost
                ? "Your game is open. Continue your save or start a new game - friends can also join later."
                : mp.IsDedicated || mp.IsConnectingToServer
                    ? "Connected to the server - the world is loading" + (string.IsNullOrEmpty(mp.Status) ? "." : ": " + mp.Status)
                    : "Waiting for the host to start the game.", textStyle);
            GUILayout.Space(S(16));

            GUILayout.Label("PLAYERS  " + mp.Players.Count + "/" + mp.SessionMaxPlayers, captionStyle);
            playerScroll = GUILayout.BeginScrollView(playerScroll, GUILayout.Height(ListHeight(mp.IsHost ? S(330f) : S(170f), S(120f))));
            foreach (PlayerInfo p in mp.Players)
            {
                Rect row = GUILayoutUtility.GetRect(S(10), S(32), GUILayout.ExpandWidth(true));
                GUI.Box(new Rect(row.x, row.y, row.width, row.height - S(4)), GUIContent.none, rowBox);
                // Eigener Punkt gelb, solange man noch lädt/synchronisiert; grün, wenn man wirklich im Spiel ist
                GUI.DrawTexture(new Rect(row.x + S(12), row.y + S(11), S(8), S(8)), p.IsLocal && !mp.IsFullyConnected ? texPending : texOnline);
                GUI.Label(new Rect(row.x + S(30), row.y, row.width - S(150), row.height - S(2)), p.Name, rowNameStyle);
                string tag = p.Id == NetSession.HostId ? "HOST" : "";
                if (p.IsLocal) tag = tag.Length > 0 ? tag + " · YOU" : "YOU";
                GUI.Label(new Rect(row.xMax - S(120), row.y, S(110), row.height - S(2)), tag, rowTagStyle);
            }
            GUILayout.EndScrollView();
            GUILayout.Space(S(14));

            if (mp.IsHost)
            {
                DrawHostStart(mp);
                GUILayout.Space(S(10));
            }

            GUILayout.BeginHorizontal();
            if (mp.IsHost)
            {
                if (mp.IsSteamSession && mp.Players.Count < MultiplayerManager.MaxPlayers &&
                    GUILayout.Button("INVITE FRIENDS", secondaryStyle, GUILayout.Height(S(42)), GUILayout.Width(S(150))))
                    mp.InviteFriends();
                GUILayout.Space(S(10));
            }
            if (GUILayout.Button("DISCONNECT", secondaryStyle, GUILayout.Height(S(42)), GUILayout.Width(S(150))))
                mp.Disconnect();
            GUILayout.EndHorizontal();
        }

        void DrawStatusBar(MultiplayerManager mp, Rect r)
        {
            GUI.Box(r, GUIContent.none, sidebarBox);
            Texture2D dot = mp.IsFullyConnected ? texOnline : mp.IsInSession || mp.IsReconnecting ? texPending : texMuted;
            GUI.DrawTexture(new Rect(r.x + S(18), r.y + (r.height - S(8)) / 2f, S(8), S(8)), dot);
            GUI.Label(new Rect(r.x + S(36), r.y, r.width - S(72), r.height), mp.Status, statusStyle);
        }


        // ---------------------------------------------------------------- Hilfen

        void EnsureStyles()
        {
            if (stylesReady && texBackground != null && Mathf.Abs(stylesScale - uiScale) < 0.01f) return;
            stylesScale = uiScale;

            // PlayerPrefs erst hier lesen (nicht im Konstruktor erlaubt)
            if (directInput == null) directInput = PlayerPrefs.GetString(PrefDirect, "");

            texBackground = Solid(Background);
            texSidebar = Solid(Sidebar);
            texAccent = Solid(Accent);
            texOnline = UiTheme.Rounded(Online, P(4));   // runde Status-Punkte
            texPending = UiTheme.Rounded(Pending, P(4));
            texMuted = UiTheme.Rounded(Muted, P(4));
            texRow = Solid(Field);
            // Fenster und Seitenleiste mit feinem Rand (Seitenleiste: ihr Rand trennt sie vom Inhalt)
            windowBox = UiTheme.Card(Background, P(10));
            sidebarBox = UiTheme.Card(Sidebar, P(10));
            rowBox = UiTheme.Panel9(Field, P(UiTheme.Radius));
            rowHoverBox = UiTheme.Card(FieldFocus, P(UiTheme.Radius));
            texDivider = Solid(new Color(1f, 1f, 1f, 0.07f));
            texGold = Solid(Gold);
            texBarBack = Solid(new Color(1f, 1f, 1f, 0.1f));
            texBarFill = Solid(Online);
            texBarFull = Solid(UiTheme.Danger);
            accentBox = UiTheme.Panel9(Accent, P(1));

            pillStyle = UiTheme.Panel9(new Color(Accent.r, Accent.g, Accent.b, 0.18f), P(4));
            pillStyle.normal.textColor = Accent;
            pillStyle.fontSize = P(10);
            pillStyle.fontStyle = FontStyle.Bold;
            pillStyle.alignment = TextAnchor.MiddleCenter;
            pillStyle.padding = new RectOffset(P(7), P(7), P(0), P(0));
            pillStyle.wordWrap = false;
            pillMutedStyle = new GUIStyle(pillStyle);
            pillMutedStyle.normal.background = UiTheme.Rounded(new Color(1f, 1f, 1f, 0.08f), P(4));
            pillMutedStyle.normal.textColor = Muted;
            pillFeaturedStyle = new GUIStyle(pillStyle);
            pillFeaturedStyle.normal.background = UiTheme.Rounded(Gold, P(4));
            pillFeaturedStyle.normal.textColor = Hex(0x1a, 0x12, 0x06);
            featuredRowBox = UiTheme.Panel9(Color.Lerp(Field, Gold, 0.16f), P(UiTheme.Radius));

            chipOnStyle = Button(new Color(Accent.r, Accent.g, Accent.b, 0.22f), new Color(Accent.r, Accent.g, Accent.b, 0.32f), AccentHover, P(11), FontStyle.Bold);
            chipOffStyle = Button(Field, FieldFocus, Muted, P(11), FontStyle.Bold);
            chipOnStyle.padding = chipOffStyle.padding = new RectOffset(P(12), P(12), P(0), P(0));

            logoStyle = Label(P(28), Color.white, FontStyle.Bold);
            taglineStyle = Label(P(10), Muted, FontStyle.Bold);
            titleStyle = Label(P(24), Color.white, FontStyle.Bold);
            textStyle = Label(P(13), Muted, FontStyle.Normal);
            textStyle.wordWrap = true;
            captionStyle = Label(P(11), Muted, FontStyle.Bold);
            captionStyle.margin.bottom = P(6);
            statusStyle = Label(P(12), Color.white, FontStyle.Normal);
            statusStyle.alignment = TextAnchor.MiddleLeft;
            headerCellStyle = Label(P(11), Muted, FontStyle.Bold);
            headerCellStyle.alignment = TextAnchor.MiddleLeft;
            rowNameStyle = Label(P(14), Color.white, FontStyle.Normal);
            rowNameStyle.alignment = TextAnchor.MiddleLeft;
            pingGoodStyle = new GUIStyle(rowNameStyle);
            pingGoodStyle.normal.textColor = Online;
            pingMidStyle = new GUIStyle(rowNameStyle);
            pingMidStyle.normal.textColor = Pending;
            pingBadStyle = new GUIStyle(rowNameStyle);
            pingBadStyle.normal.textColor = UiTheme.DangerHover;
            rowTagStyle = Label(P(11), Accent, FontStyle.Bold);
            rowTagStyle.alignment = TextAnchor.MiddleRight;
            badgeStyle = new GUIStyle(rowTagStyle);
            badgeStyle.alignment = TextAnchor.MiddleLeft;
            badgeStyle.padding = new RectOffset(P(6), P(6), P(2), P(2));
            placeholderStyle = Label(P(13), Muted, FontStyle.Italic);
            placeholderStyle.alignment = TextAnchor.MiddleLeft;
            toggleStyle = new GUIStyle(GUI.skin.toggle);
            toggleStyle.normal.textColor = toggleStyle.onNormal.textColor = toggleStyle.hover.textColor = toggleStyle.onHover.textColor = Color.white;
            toggleStyle.fontSize = P(11);
            toggleStyle.fontStyle = FontStyle.Bold;

            navStyle = Button(Sidebar, Secondary, Muted, P(14), FontStyle.Normal);
            navStyle.hover.textColor = Color.white; // Hover: Text hell (vorher blieb er grau)
            navStyle.alignment = TextAnchor.MiddleLeft;
            navStyle.padding = new RectOffset(P(26), P(10), P(0), P(0));
            navActiveStyle = Button(Secondary, Secondary, Color.white, P(14), FontStyle.Bold);
            navActiveStyle.alignment = TextAnchor.MiddleLeft;
            navActiveStyle.padding = new RectOffset(P(26), P(10), P(0), P(0));

            primaryStyle = Button(Accent, AccentHover, Color.white, P(14), FontStyle.Bold);
            UiTheme.ApplyPrimaryGradient(primaryStyle);
            dangerStyle = Button(UiTheme.Danger, UiTheme.DangerHover, Color.white, P(13), FontStyle.Bold);
            secondaryStyle = Button(Secondary, SecondaryHover, Color.white, P(14), FontStyle.Bold);
            tabStyle = Button(Sidebar, Secondary, Muted, P(11), FontStyle.Bold);
            tabStyle.hover.textColor = Color.white;

            fieldStyle = UiTheme.Field(P(14));

            stylesReady = true;
        }

        static GUIStyle Label(int size, Color color, FontStyle font)
        {
            var s = new GUIStyle(GUI.skin.label);
            s.fontSize = size;
            s.fontStyle = font;
            s.normal.textColor = color;
            return s;
        }

        static GUIStyle Button(Color normal, Color hover, Color text, int size, FontStyle font)
        {
            var s = new GUIStyle(GUI.skin.button);
            // abgerundete Ecken (9-Slice), siehe UiTheme
            s.normal.background = UiTheme.Rounded(normal);
            s.hover.background = UiTheme.Rounded(hover);
            s.active.background = UiTheme.Rounded(hover);
            s.focused.background = UiTheme.Rounded(normal);
            s.normal.textColor = s.hover.textColor = s.active.textColor = s.focused.textColor = text;
            s.border = new RectOffset(UiTheme.Radius + 2, UiTheme.Radius + 2, UiTheme.Radius + 2, UiTheme.Radius + 2);
            s.fontSize = size;
            s.fontStyle = font;
            return s;
        }

        static Texture2D Solid(Color color)
        {
            var tex = new Texture2D(1, 1);
            tex.SetPixel(0, 0, color);
            tex.Apply();
            tex.hideFlags = HideFlags.HideAndDontSave;
            return tex;
        }

        static Color Hex(int r, int g, int b)
        {
            return new Color(r / 255f, g / 255f, b / 255f, 1f);
        }
    }
}