diff --git a/dashboard.html b/dashboard.html
new file mode 100644
index 0000000..d61e61f
--- /dev/null
+++ b/dashboard.html
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+<!DOCTYPE html>
+<html lang="pl">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>UniView WebAdmin - Dashboard</title>
+    <script src="https://cdn.tailwindcss.com"></script>
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
+    <script>
+        tailwind.config = {
+            darkMode: 'class',
+            theme: {
+                extend: {
+                    colors: {
+                        brand: {
+                            50: '#eff4ff',
+                            100: '#dbeafe',
+                            500: '#3b82f6',
+                            600: '#2563eb',
+                            900: '#1e3a8a',
+                        }
+                    },
+                    boxShadow: {
+                        'soft': '0 4px 20px -2px rgba(0, 0, 0, 0.05)',
+                        'glow': '0 0 15px rgba(59, 130, 246, 0.5)',
+                    }
+                }
+            }
+        }
+    </script>
+    <style>
+        /* Ukrycie paska przewijania w menu poziomym */
+        .no-scrollbar::-webkit-scrollbar { display: none; }
+        .no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }
+
+        /* Szerszy, nowoczesny pasek w Popoverze w stylu macOS */
+        .custom-scrollbar::-webkit-scrollbar {
+            width: 12px;
+        }
+        .custom-scrollbar::-webkit-scrollbar-track {
+            background: transparent;
+            border-radius: 8px;
+        }
+        .custom-scrollbar::-webkit-scrollbar-thumb {
+            background-color: rgba(156, 163, 175, 0.5); /* Szary, półprzezroczysty */
+            border: 3px solid transparent; /* Wewnętrzne obramowanie */
+            background-clip: padding-box;
+            border-radius: 8px;
+        }
+        .dark .custom-scrollbar::-webkit-scrollbar-thumb {
+            background-color: rgba(107, 114, 128, 0.6);
+        }
+        .custom-scrollbar::-webkit-scrollbar-thumb:hover {
+            background-color: rgba(107, 114, 128, 0.8);
+            border-width: 2px;
+        }
+
+        /* Ochrona przed skakaniem interfejsu */
+        body { overflow-y: scroll; }
+    </style>
+</head>
+<body class="bg-slate-50 dark:bg-slate-900 text-slate-800 dark:text-slate-200 transition-colors duration-300 font-sans antialiased min-h-screen flex flex-col">
+
+    <header id="layout_header" class="sticky top-0 z-[100] bg-white/90 dark:bg-slate-900/90 backdrop-blur-md border-b border-slate-200 dark:border-slate-800 shadow-sm">
+        <div class="px-4 py-2 flex flex-col gap-2">
+            <!-- Górny Rząd: Logo, Menu Główne, Sesja -->
+            <div class="flex items-center justify-between gap-4">
+
+                <div class="flex items-center gap-6 overflow-hidden flex-1">
+                    <!-- Logo -->
+                    <div class="flex-shrink-0">
+                        <img width="135" height="30" alt="UniView WebAdmin" src="https://placehold.co/135x30/2563eb/ffffff?text=UniView+Logo" class="rounded rounded-md shadow-sm">
+                    </div>
+
+                    <!-- Pełne Menu Główne (10 pozycji) -->
+                    <ul class="flex items-center gap-1 overflow-x-auto no-scrollbar flex-1 pb-1">
+                        <li><a href="#" class="px-3 py-1.5 text-sm font-semibold rounded-full bg-brand-500 text-white shadow-md shadow-brand-500/20 whitespace-nowrap">Dashboard</a></li>
+                        <li><a href="#" class="px-3 py-1.5 text-sm font-medium rounded-full text-slate-600 dark:text-slate-300 hover:bg-slate-100 dark:hover:bg-slate-800 transition-colors whitespace-nowrap">Programy</a></li>
+                        <li><a href="#" class="px-3 py-1.5 text-sm font-medium rounded-full text-slate-600 dark:text-slate-300 hover:bg-slate-100 dark:hover:bg-slate-800 transition-colors whitespace-nowrap">Kontrolery</a></li>
+                        <li><a href="#" class="px-3 py-1.5 text-sm font-medium rounded-full text-slate-600 dark:text-slate-300 hover:bg-slate-100 dark:hover:bg-slate-800 transition-colors whitespace-nowrap">Lokalizacje</a></li>
+                        <li><a href="#" class="px-3 py-1.5 text-sm font-medium rounded-full text-slate-600 dark:text-slate-300 hover:bg-slate-100 dark:hover:bg-slate-800 transition-colors whitespace-nowrap">Pliki</a></li>
+                        <li><a href="#" class="px-3 py-1.5 text-sm font-medium rounded-full text-slate-600 dark:text-slate-300 hover:bg-slate-100 dark:hover:bg-slate-800 transition-colors whitespace-nowrap">Dane</a></li>
+                        <li><a href="#" class="px-3 py-1.5 text-sm font-medium rounded-full text-slate-600 dark:text-slate-300 hover:bg-slate-100 dark:hover:bg-slate-800 transition-colors whitespace-nowrap">Raportowanie</a></li>
+                        <li><a href="#" class="px-3 py-1.5 text-sm font-medium rounded-full text-slate-600 dark:text-slate-300 hover:bg-slate-100 dark:hover:bg-slate-800 transition-colors whitespace-nowrap">Usterki</a></li>
+                        <li><a href="#" class="px-3 py-1.5 text-sm font-medium rounded-full text-slate-600 dark:text-slate-300 hover:bg-slate-100 dark:hover:bg-slate-800 transition-colors whitespace-nowrap">Administracja</a></li>
+                        <li><a href="#" class="px-3 py-1.5 text-sm font-medium rounded-full text-slate-600 dark:text-slate-300 hover:bg-slate-100 dark:hover:bg-slate-800 transition-colors whitespace-nowrap">Zaawansowane menu</a></li>
+                    </ul>
+                </div>
+
+                <!-- Panel Użytkownika -->
+                <div class="flex items-center gap-3 flex-shrink-0">
+                    <div class="hidden md:flex items-center gap-3 text-xs font-medium text-slate-500 dark:text-slate-400">
+                        <span class="px-2 py-1 bg-slate-100 dark:bg-slate-800 rounded-md border border-slate-200 dark:border-slate-700">POLIN</span>
+                        <a href="#" class="hover:text-brand-600 dark:hover:text-brand-400 transition-colors"><i class="fa fa-user mr-1"></i> pcs.agoral</a>
+                    </div>
+
+                    <!-- Dark Mode Toggle -->
+                    <button id="darkModeToggle" class="w-8 h-8 flex items-center justify-center rounded-full bg-slate-100 dark:bg-slate-800 text-slate-600 dark:text-slate-300 hover:bg-slate-200 dark:hover:bg-slate-700 transition-colors" title="Przełącz motyw">
+                        <i class="fa fa-moon dark:hidden"></i>
+                        <i class="fa fa-sun hidden dark:block text-amber-400"></i>
+                    </button>
+
+                    <button class="flex items-center gap-2 px-3 py-1.5 text-xs font-bold text-red-600 dark:text-red-400 bg-red-50 dark:bg-red-900/20 border border-red-100 dark:border-red-900 rounded-full hover:bg-red-100 dark:hover:bg-red-900/40 transition-colors">
+                        <i class="fa fa-power-off"></i> Wyloguj
+                    </button>
+                </div>
+            </div>
+
+            <!-- Dolny Rząd: Submenu (Tylko 2 elementy) -->
+            <ul class="flex items-center gap-2 overflow-x-auto no-scrollbar pt-1 border-t border-slate-100 dark:border-slate-800/50">
+                <li><a href="#" class="px-3 py-1 text-xs font-medium rounded-md text-slate-500 dark:text-slate-400 hover:bg-slate-100 dark:hover:bg-slate-800 transition-colors">node-red</a></li>
+                <li><a href="#" class="px-3 py-1 text-xs font-semibold rounded-md bg-slate-100 dark:bg-slate-800 text-slate-800 dark:text-slate-200 shadow-sm border border-slate-200/50 dark:border-slate-700">Dashboard Sterowania</a></li>
+            </ul>
+        </div>
+    </header>
+
+    <main id="layout_content" class="flex-1 p-4 md:p-6 w-full max-w-[1920px] mx-auto">
+        <div id="nscTerminalDashboard" class="flex flex-col gap-6">
+            <!-- Tutaj JS wstrzyknie interfejs Dashboardu -->
+        </div>
+    </main>
+
+    <footer id="layout_footer" class="p-4 text-center text-xs text-slate-400 dark:text-slate-500 border-t border-slate-200 dark:border-slate-800">
+        <p>© Union Systems 2000 Sp. z o.o.</p>
+    </footer>
+
+    <!-- Modale Confirm (zastępuje window.confirm) -->
+    <div id="customConfirmModal" class="fixed inset-0 z-[999] flex items-center justify-center hidden opacity-0 transition-opacity duration-300">
+        <div class="absolute inset-0 bg-slate-900/50 backdrop-blur-sm" id="customConfirmOverlay"></div>
+        <div class="relative bg-white dark:bg-slate-800 rounded-2xl shadow-2xl border border-slate-200 dark:border-slate-700 w-full max-w-md p-6 transform scale-95 transition-transform duration-300" id="customConfirmBox">
+            <div class="flex items-center gap-3 mb-4">
+                <div class="w-10 h-10 rounded-full bg-brand-100 dark:bg-brand-900/30 text-brand-600 dark:text-brand-400 flex items-center justify-center text-xl flex-shrink-0">
+                    <i class="fa fa-question-circle"></i>
+                </div>
+                <h3 class="text-xl font-bold text-slate-900 dark:text-white" id="customConfirmTitle">Potwierdzenie</h3>
+            </div>
+            <div class="text-sm text-slate-600 dark:text-slate-300 mb-6 pl-13 font-medium leading-relaxed" id="customConfirmMessage">
+                Czy na pewno...
+            </div>
+            <div class="flex justify-end gap-3 pt-4 border-t border-slate-100 dark:border-slate-700">
+                <button id="customConfirmCancel" class="px-5 py-2.5 bg-slate-100 dark:bg-slate-700 text-slate-700 dark:text-slate-300 rounded-xl hover:bg-slate-200 dark:hover:bg-slate-600 font-semibold transition-colors">
+                    Anuluj
+                </button>
+                <button id="customConfirmOk" class="px-5 py-2.5 bg-brand-600 hover:bg-brand-700 text-white rounded-xl font-semibold transition-colors shadow-md shadow-brand-500/20">
+                    Potwierdź Akcję
+                </button>
+            </div>
+        </div>
+    </div>
+
+    <script>
+        // Inicjalizacja Dark Mode
+        function initTheme() {
+            if (localStorage.getItem('theme') === 'dark' || (!('theme' in localStorage) && window.matchMedia('(prefers-color-scheme: dark)').matches)) {
+                document.documentElement.classList.add('dark');
+            } else {
+                document.documentElement.classList.remove('dark');
+            }
+        }
+        initTheme();
+
+        document.getElementById('darkModeToggle').addEventListener('click', () => {
+            document.documentElement.classList.toggle('dark');
+            localStorage.setItem('theme', document.documentElement.classList.contains('dark') ? 'dark' : 'light');
+        });
+
+        // Konfiguracja API i Stanu
+        const API_TERMINALS = "api.php?nav=api_terminal";
+        const API_COMMAND = "api.php?nav=api_run_remote_command";
+        const VISIBLE_GROUP_NAME = "Produkcja";
+        const COMMAND_WAKE = "WakeUp";
+        const COMMAND_SHUTDOWN = "ShutDown";
+        const COMMAND_RESTART = "Restart";
+
+        // Stan aplikacji
+        const state = {
+            terminals: [],
+            filter: "",
+            busy: false,
+            loading: false,
+            refreshSeconds: 5,
+            refreshTimerId: null,
+            openPopoverId: null,
+            popoverScrollTop: 0
+        };
+
+        function generateMockData() {
+            const data = [];
+            let idCounter = 1;
+
+            // Galeria 01 - Zgodnie z prośbą 15 urządzeń (10 PC, 5 Oświetlenie)
+            for(let i=1; i<=10; i++) {
+                data.push({ id: idCounter++, name: `PC-GAL01-${i.toString().padStart(2, '0')}`, ip: `192.168.1.${10+i}`, status: Math.random() > 0.2 ? 'Running' : 'Stopped', location_id: 'LOC-1', location_name: 'Galeria 01', group_name: 'Produkcja', player: 'PC' });
+            }
+            for(let i=1; i<=5; i++) {
+                data.push({ id: idCounter++, name: `CTRL-GAL01-${i}`, ip: `192.168.1.${100+i}`, status: Math.random() > 0.1 ? 'Running' : 'Stopped', location_id: 'LOC-1', location_name: 'Galeria 01', group_name: 'Produkcja', player: 'CTRL' });
+            }
+
+            // Galerie 02-10 (standardowa ilość do weryfikacji siatki)
+            for (let loc = 2; loc <= 10; loc++) {
+                const locName = `Galeria ${loc.toString().padStart(2, '0')}`;
+                const locId = `LOC-${loc}`;
+
+                for(let i=1; i<=2; i++) {
+                    data.push({ id: idCounter++, name: `PC-GAL${loc}-${i}`, ip: `192.168.${loc}.${i}`, status: Math.random() > 0.3 ? 'Running' : 'Stopped', location_id: locId, location_name: locName, group_name: 'Produkcja', player: 'PC' });
+                }
+                data.push({ id: idCounter++, name: `CTRL-GAL${loc}-1`, ip: `192.168.${loc}.100`, status: Math.random() > 0.2 ? 'Running' : 'Stopped', location_id: locId, location_name: locName, group_name: 'Produkcja', player: 'CTRL' });
+            }
+            return data;
+        }
+        const MOCK_DATA = generateMockData();
+
+        document.addEventListener("DOMContentLoaded", initDashboard);
+
+        function initDashboard() {
+            renderShell();
+            setupListeners();
+            refreshTerminals(false);
+            restartAutoRefresh();
+        }
+
+        function setupListeners() {
+            document.getElementById("nscRefreshInterval").addEventListener("change", (e) => {
+                let val = parseInt(e.target.value);
+                if (isNaN(val) || val < 1) val = 5;
+                if (val > 60) val = 60;
+                state.refreshSeconds = val;
+                e.target.value = val;
+                restartAutoRefresh();
+                setStatus(`Odświeżanie co ${val}s.`, false);
+            });
+            document.getElementById("nscRefreshButton").addEventListener("click", () => refreshTerminals(false));
+            document.getElementById("nscTerminalFilter").addEventListener("input", (e) => {
+                state.filter = e.target.value.toLowerCase().trim();
+                renderDashboard();
+            });
+        }
+
+        function restartAutoRefresh() {
+            if (state.refreshTimerId) clearInterval(state.refreshTimerId);
+            state.refreshTimerId = setInterval(() => {
+                if (!state.busy && !state.loading) refreshTerminals(true);
+            }, state.refreshSeconds * 1000);
+        }
+
+        async function refreshTerminals(silent) {
+            if (state.loading) return;
+            state.loading = true;
+            if (!silent) setStatus("Ładowanie terminali...", false);
+
+            try {
+                // Wykrywanie Trybu "Preview" (gdzie nie ma backendu API)
+                const isPreview = window.location.protocol === 'about:' || window.location.protocol === 'blob:' || window.location.hostname === '';
+
+                let data;
+                if (isPreview) {
+                    await new Promise(r => setTimeout(r, 400)); // Symulacja opóźnienia
+                    data = JSON.parse(JSON.stringify(MOCK_DATA)); // Kopia MOCK
+                } else {
+                    const res = await fetch(API_TERMINALS);
+                    if (!res.ok) throw new Error(`HTTP Error: ${res.status}`);
+                    data = await res.json();
+                }
+
+                state.terminals = data.filter(t => (t.group_name || "").toLowerCase() === VISIBLE_GROUP_NAME.toLowerCase());
+                renderDashboard();
+                setStatus(`Zaktualizowano: ${new Date().toLocaleTimeString()} (auto co ${state.refreshSeconds}s)`, false);
+            } catch (error) {
+                setStatus(`Błąd pobierania: ${error.message}`, true);
+                console.error(error);
+            } finally {
+                state.loading = false;
+            }
+        }
+
+        function customConfirm(title, message) {
+            return new Promise((resolve) => {
+                const modal = document.getElementById('customConfirmModal');
+                const box = document.getElementById('customConfirmBox');
+                const overlay = document.getElementById('customConfirmOverlay');
+
+                document.getElementById('customConfirmTitle').textContent = title;
+                document.getElementById('customConfirmMessage').innerHTML = message.replace(/\n/g, '<br>');
+
+                modal.classList.remove('hidden');
+                // Małe opóźnienie dla przeglądarki, żeby zastosowała display:block przed animacją
+                setTimeout(() => {
+                    modal.classList.remove('opacity-0');
+                    box.classList.remove('scale-95');
+                    box.classList.add('scale-100');
+                }, 10);
+
+                const cleanup = () => {
+                    modal.classList.add('opacity-0');
+                    box.classList.remove('scale-100');
+                    box.classList.add('scale-95');
+                    setTimeout(() => modal.classList.add('hidden'), 300);
+
+                    document.getElementById('customConfirmCancel').onclick = null;
+                    document.getElementById('customConfirmOk').onclick = null;
+                };
+
+                document.getElementById('customConfirmCancel').onclick = () => { cleanup(); resolve(false); };
+                document.getElementById('customConfirmOk').onclick = () => { cleanup(); resolve(true); };
+            });
+        }
+
+        function renderShell() {
+            const root = document.getElementById("nscTerminalDashboard");
+            root.innerHTML = `
+                <!-- Hero Section -->
+                <div class="bg-white dark:bg-slate-800 rounded-2xl p-6 shadow-soft border border-slate-200 dark:border-slate-700 flex flex-col xl:flex-row gap-6 justify-between items-start xl:items-center">
+                    <div>
+                        <div class="text-xs font-bold tracking-widest text-brand-600 dark:text-brand-400 uppercase mb-1 flex items-center gap-2">
+                            <span class="w-2 h-2 rounded-full bg-brand-500 shadow-glow"></span>
+                            POLIN / NSC
+                        </div>
+                        <h1 class="text-2xl md:text-3xl font-extrabold text-slate-900 dark:text-white tracking-tight">Sterowanie Wystawą</h1>
+                        <p class="text-sm text-slate-500 dark:text-slate-400 mt-1">Grupowe oraz punktowe zarządzanie zasilaniem urządzeń. Grupa: <strong>${VISIBLE_GROUP_NAME}</strong></p>
+                    </div>
+
+                    <!-- Pasek Narzędzi -->
+                    <div class="flex flex-wrap items-center gap-3 w-full xl:w-auto">
+                        <div class="relative flex-1 xl:w-64 min-w-[200px]">
+                            <i class="fa fa-search absolute left-3 top-1/2 -translate-y-1/2 text-slate-400"></i>
+                            <input type="text" id="nscTerminalFilter" placeholder="Filtruj..." class="w-full pl-9 pr-4 py-2 bg-slate-50 dark:bg-slate-900 border border-slate-200 dark:border-slate-700 rounded-xl text-sm focus:ring-2 focus:ring-brand-500 outline-none text-slate-800 dark:text-slate-200 transition-shadow">
+                        </div>
+                        <div class="flex items-center gap-2 px-3 py-2 bg-slate-50 dark:bg-slate-900 border border-slate-200 dark:border-slate-700 rounded-xl text-sm text-slate-600 dark:text-slate-300">
+                            <i class="fa fa-clock text-slate-400"></i>
+                            <span>Auto co</span>
+                            <input type="number" id="nscRefreshInterval" value="5" min="1" max="60" class="w-12 text-center bg-white dark:bg-slate-800 border border-slate-200 dark:border-slate-600 rounded-md py-0.5 outline-none font-medium">
+                            <span>s</span>
+                        </div>
+                        <button id="nscRefreshButton" class="px-4 py-2 bg-slate-100 dark:bg-slate-700 text-slate-700 dark:text-slate-200 font-semibold rounded-xl hover:bg-slate-200 dark:hover:bg-slate-600 transition-colors shadow-sm">
+                            <i class="fa fa-sync-alt mr-2"></i>Odśwież
+                        </button>
+                    </div>
+                </div>
+
+                <!-- Status Line -->
+                <div id="nscStatusLine" class="text-xs font-semibold px-4 py-2 rounded-lg inline-flex items-center gap-2 border text-slate-600 bg-slate-100 border-slate-200 dark:text-slate-300 dark:bg-slate-800 dark:border-slate-700 transition-colors">
+                    <i class="fa fa-info-circle"></i> Inicjalizacja...
+                </div>
+
+                <!-- Widok Globalny (Podsumowanie) -->
+                <div id="nscExhibitionCard"></div>
+
+                <!-- Siatka Lokalizacji -->
+                <div id="nscLocationGrid" class="grid grid-cols-1 lg:grid-cols-2 2xl:grid-cols-3 gap-6"></div>
+            `;
+        }
+
+        function setStatus(msg, isError) {
+            const el = document.getElementById("nscStatusLine");
+            el.textContent = msg;
+            el.className = `text-xs font-semibold px-4 py-2 rounded-lg inline-flex items-center gap-2 border transition-colors ${isError ? 'text-red-700 bg-red-50 border-red-200 dark:text-red-400 dark:bg-red-900/20 dark:border-red-800/50' : 'text-slate-600 bg-slate-100 border-slate-200 dark:text-slate-300 dark:bg-slate-800 dark:border-slate-700'}`;
+            el.innerHTML = `<i class="fa ${isError ? 'fa-exclamation-triangle' : 'fa-check-circle'}"></i> ${msg}`;
+        }
+
+        function openPopover(locId) {
+            document.querySelectorAll('[id^="popover-"]').forEach(p => closePopover(p.id.replace('popover-', '')));
+            state.openPopoverId = locId;
+            const pop = document.getElementById(`popover-${locId}`);
+            if(pop) {
+                pop.classList.remove('opacity-0', 'invisible', 'scale-95', 'pointer-events-none');
+                pop.classList.add('opacity-100', 'visible', 'scale-100');
+            }
+        }
+
+        function closePopover(locId) {
+            if(state.openPopoverId === locId) state.openPopoverId = null;
+            const pop = document.getElementById(`popover-${locId}`);
+            if(pop) {
+                pop.classList.add('opacity-0', 'invisible', 'scale-95', 'pointer-events-none');
+                pop.classList.remove('opacity-100', 'visible', 'scale-100');
+            }
+        }
+
+        function renderDashboard() {
+            // ZAPIS: Przed przebudową DOM zapamiętujemy scroll w otwartym dymku
+            let currentScroll = 0;
+            if (state.openPopoverId) {
+                const activeScrollArea = document.querySelector(`#popover-${state.openPopoverId} .custom-scrollbar`);
+                if (activeScrollArea) currentScroll = activeScrollArea.scrollTop;
+            }
+
+            const locationsMap = new Map();
+            state.terminals.forEach(t => {
+                const locId = t.location_id || "unknown";
+                if (!locationsMap.has(locId)) locationsMap.set(locId, { id: locId, label: t.location_name || locId, terminals: [] });
+                locationsMap.get(locId).terminals.push(t);
+            });
+
+            let locations = Array.from(locationsMap.values()).sort((a,b) => String(a.label).localeCompare(String(b.label), 'pl', {numeric: true}));
+
+            // Filtrowanie
+            if(state.filter) {
+                locations = locations.filter(loc => {
+                    const matchLoc = loc.label.toLowerCase().includes(state.filter);
+                    const matchTerminals = loc.terminals.some(t =>
+                        (t.name || "").toLowerCase().includes(state.filter) ||
+                        (t.ip || "").includes(state.filter)
+                    );
+                    return matchLoc || matchTerminals;
+                });
+            }
+
+            renderGlobalExhibition(locations);
+
+            const grid = document.getElementById("nscLocationGrid");
+            grid.innerHTML = locations.map(renderLocationCard).join("");
+
+            // ODTWORZENIE: Po zbudowaniu HTML przywracamy otwarty dymek i pozycję scrolla
+            if (state.openPopoverId) {
+                const pop = document.getElementById(`popover-${state.openPopoverId}`);
+                if (pop) {
+                    // Usuwamy klasy animacji tymczasowo, by nie "wjeżdżał" co 5 sekund
+                    pop.classList.remove('transition-all', 'duration-300', 'opacity-0', 'invisible', 'scale-95', 'pointer-events-none');
+                    pop.classList.add('opacity-100', 'visible', 'scale-100');
+
+                    const scrollArea = pop.querySelector('.custom-scrollbar');
+                    if (scrollArea) scrollArea.scrollTop = currentScroll; // Przywracamy przewijanie!
+
+                    // Zwracamy animacje po ułamku sekundy
+                    setTimeout(() => {
+                        pop.classList.add('transition-all', 'duration-300');
+                    }, 50);
+                } else {
+                    // Jeśli po filtracji dymku nie ma w DOM, czyścimy stan
+                    state.openPopoverId = null;
+                }
+            }
+        }
+
+        function renderGlobalExhibition(locations) {
+            const container = document.getElementById("nscExhibitionCard");
+            const allT = state.terminals;
+            const onT = allT.filter(t => t.status?.toLowerCase() === 'running').length;
+            const total = allT.length;
+            const pct = total ? Math.round((onT/total)*100) : 0;
+
+            let colorCls = "bg-slate-100 text-slate-500 border-slate-200 dark:bg-slate-800 dark:text-slate-400 dark:border-slate-700";
+            let fillCls = "bg-slate-400";
+            if(total > 0 && onT === total) { colorCls = "bg-emerald-50 text-emerald-700 border-emerald-200 dark:bg-emerald-900/20 dark:text-emerald-400 dark:border-emerald-800/50"; fillCls = "bg-emerald-500"; }
+            else if(onT > 0) { colorCls = "bg-amber-50 text-amber-700 border-amber-200 dark:bg-amber-900/20 dark:text-amber-400 dark:border-amber-800/50"; fillCls = "bg-amber-500"; }
+
+            container.innerHTML = `
+                <div class="bg-white dark:bg-slate-800 rounded-2xl p-6 shadow-soft border border-slate-200 dark:border-slate-700 flex flex-col md:flex-row gap-6 items-center justify-between">
+                    <div class="flex items-center gap-6">
+                        <div class="w-16 h-16 rounded-2xl flex items-center justify-center text-3xl font-bold shadow-inner ${colorCls}">
+                            <i class="fa ${onT === total && total>0 ? 'fa-check' : 'fa-globe'}"></i>
+                        </div>
+                        <div>
+                            <h2 class="text-xl font-bold text-slate-900 dark:text-white">Wszystkie Lokalizacje</h2>
+                            <p class="text-sm text-slate-500 dark:text-slate-400 mt-1">Zarządzanie całą wystawą (Galerie: ${locations.length})</p>
+                        </div>
+                    </div>
+
+                    <div class="flex-1 max-w-md w-full">
+                        <div class="flex justify-between text-xs font-bold mb-2">
+                            <span class="text-slate-500 dark:text-slate-400 uppercase tracking-wider">Uruchomione</span>
+                            <span class="text-slate-900 dark:text-white">${onT} / ${total}</span>
+                        </div>
+                        <div class="h-2.5 w-full bg-slate-100 dark:bg-slate-700 rounded-full overflow-hidden">
+                            <div class="h-full ${fillCls} transition-all duration-500" style="width: ${pct}%"></div>
+                        </div>
+                    </div>
+
+                    <div class="flex gap-2">
+                        <button onclick="runGlobalCommand('${COMMAND_WAKE}')" class="px-5 py-2.5 bg-emerald-500 hover:bg-emerald-600 text-white rounded-xl font-bold text-sm shadow-md transition-colors"><i class="fa fa-play mr-2"></i>Włącz Całość</button>
+                        <button onclick="runGlobalCommand('${COMMAND_SHUTDOWN}')" class="px-5 py-2.5 bg-slate-600 hover:bg-slate-700 text-white rounded-xl font-bold text-sm shadow-md transition-colors"><i class="fa fa-stop mr-2"></i>Wyłącz Całość</button>
+                    </div>
+                </div>
+            `;
+        }
+
+        function renderLocationCard(loc) {
+            const total = loc.terminals.length;
+            const on = loc.terminals.filter(t => t.status?.toLowerCase() === 'running').length;
+            const pct = total ? Math.round((on/total)*100) : 0;
+
+            const pcs = loc.terminals.filter(t => t.player === 'PC');
+            const onPcs = pcs.filter(t => t.status?.toLowerCase() === 'running').length;
+
+            const lights = loc.terminals.filter(t => t.player === 'CTRL');
+            const onLights = lights.filter(t => t.status?.toLowerCase() === 'running').length;
+
+            let dotCls = "bg-slate-400";
+            if(total > 0 && on === total) dotCls = "bg-emerald-500 shadow-glow";
+            else if(on > 0) dotCls = "bg-amber-500";
+
+            return `
+                <div class="relative bg-white dark:bg-slate-800 rounded-2xl p-5 shadow-soft border border-slate-200 dark:border-slate-700 flex flex-col gap-4">
+                    <!-- Nagłówek Karty (Elastyczny pasek) -->
+                    <div class="flex flex-col sm:flex-row justify-between items-start sm:items-center gap-3">
+                        <!-- Lewa strona: Nazwa galerii -->
+                        <div>
+                            <h3 class="text-xl font-bold text-slate-900 dark:text-white cursor-pointer hover:text-brand-600 dark:hover:text-brand-400 transition-colors" onclick="openPopover('${loc.id}')">${escapeHtml(loc.label)}</h3>
+                            <div class="text-xs text-slate-500 dark:text-slate-400 mt-1 font-mono">${loc.id}</div>
+                        </div>
+
+                        <!-- Prawa strona: Kontrolki Galerii + Przycisk SZCZEGÓŁY -->
+                        <div class="flex items-center gap-3 self-stretch sm:self-auto flex-wrap">
+                            <!-- Przyciski całej galerii (Włącz/Wyłącz/Wycisz) -->
+                            <div class="flex bg-slate-100 dark:bg-slate-800 p-1.5 rounded-xl border border-slate-200 dark:border-slate-700 shadow-inner gap-1">
+                                <button onclick="runCommand('${COMMAND_WAKE}', '${loc.id}', 'all')" class="px-3 py-1.5 text-emerald-600 hover:bg-white dark:text-emerald-400 dark:hover:bg-slate-700 hover:shadow-sm rounded-lg text-sm font-bold transition-all flex items-center gap-2" title="Włącz całą galerię">
+                                    <i class="fa fa-play"></i> <span class="hidden xl:inline">Włącz</span>
+                                </button>
+                                <button onclick="runCommand('${COMMAND_SHUTDOWN}', '${loc.id}', 'all')" class="px-3 py-1.5 text-slate-600 hover:bg-white dark:text-slate-300 dark:hover:bg-slate-700 hover:shadow-sm rounded-lg text-sm font-bold transition-all flex items-center gap-2" title="Wyłącz całą galerię">
+                                    <i class="fa fa-stop"></i> <span class="hidden xl:inline">Wyłącz</span>
+                                </button>
+                                <button onclick="runCommand('${COMMAND_MUTE}', '${loc.id}', 'all')" class="px-3 py-1.5 text-amber-600 hover:bg-white dark:text-amber-400 dark:hover:bg-slate-700 hover:shadow-sm rounded-lg text-sm font-bold transition-all flex items-center gap-2" title="Wycisz całą galerię">
+                                    <i class="fa fa-volume-mute"></i> <span class="hidden xl:inline">Wycisz</span>
+                                </button>
+                            </div>
+
+                            <!-- Przycisk Szczegóły z dymkiem i ilością -->
+                            <button onclick="openPopover('${loc.id}')" class="flex items-center gap-2 px-4 py-2 bg-brand-50 hover:bg-brand-100 dark:bg-brand-900/20 dark:hover:bg-brand-900/40 text-brand-600 dark:text-brand-400 border border-brand-200 dark:border-brand-800/50 rounded-xl text-sm font-bold transition-all group hover:shadow-sm">
+                                <span class="w-2.5 h-2.5 rounded-full ${dotCls}"></span>
+                                <span>${on} / ${total}</span>
+                                <i class="fa fa-search text-brand-400 dark:text-brand-500 ml-1 group-hover:scale-110 transition-transform"></i>
+                                <span class="hidden sm:inline">SZCZEGÓŁY</span>
+                            </button>
+                        </div>
+                    </div>
+
+                    <!-- Progress bar -->
+                    <div class="h-1.5 w-full bg-slate-100 dark:bg-slate-700 rounded-full overflow-hidden">
+                        <div class="h-full ${dotCls} transition-all duration-500" style="width: ${pct}%"></div>
+                    </div>
+
+                    <!-- Sekcja KONTROLERY na kafelku -->
+                    <div class="bg-slate-50 dark:bg-slate-800/50 rounded-xl p-3 border border-slate-100 dark:border-slate-700 flex flex-col xl:flex-row justify-between items-start xl:items-center gap-3">
+                        <div class="flex items-center gap-3 cursor-pointer" onclick="openPopover('${loc.id}')">
+                            <div class="w-8 h-8 rounded-lg bg-indigo-100 dark:bg-indigo-900/30 text-indigo-600 dark:text-indigo-400 flex items-center justify-center"><i class="fa fa-desktop"></i></div>
+                            <div>
+                                <div class="text-sm font-bold text-slate-800 dark:text-slate-200">Kontrolery</div>
+                                <div class="text-xs text-slate-500 dark:text-slate-400">${onPcs} z ${pcs.length} włączonych</div>
+                            </div>
+                        </div>
+                        <div class="flex gap-1.5">
+                            <button onclick="runCommand('${COMMAND_WAKE}', '${loc.id}', 'computer')" class="px-3 py-1.5 bg-emerald-100 hover:bg-emerald-200 dark:bg-emerald-900/30 dark:hover:bg-emerald-900/50 text-emerald-700 dark:text-emerald-400 rounded-md text-xs font-bold transition-colors">Włącz</button>
+                            <button onclick="runCommand('${COMMAND_SHUTDOWN}', '${loc.id}', 'computer')" class="px-3 py-1.5 bg-slate-200 hover:bg-slate-300 dark:bg-slate-700 dark:hover:bg-slate-600 text-slate-700 dark:text-slate-300 rounded-md text-xs font-bold transition-colors">Wyłącz</button>
+                            <button onclick="runCommand('${COMMAND_RESTART}', '${loc.id}', 'computer')" class="px-3 py-1.5 bg-blue-100 hover:bg-blue-200 dark:bg-blue-900/30 dark:hover:bg-blue-900/50 text-blue-700 dark:text-blue-400 rounded-md text-xs font-bold transition-colors" title="Restart"><i class="fa fa-redo"></i></button>
+                        </div>
+                    </div>
+
+                    <!-- Sekcja OŚWIETLENIE na kafelku -->
+                    <div class="bg-slate-50 dark:bg-slate-800/50 rounded-xl p-3 border border-slate-100 dark:border-slate-700 flex flex-col xl:flex-row justify-between items-start xl:items-center gap-3">
+                        <div class="flex items-center gap-3 cursor-pointer" onclick="openPopover('${loc.id}')">
+                            <div class="w-8 h-8 rounded-lg bg-amber-100 dark:bg-amber-900/30 text-amber-600 dark:text-amber-400 flex items-center justify-center"><i class="fa fa-lightbulb"></i></div>
+                            <div>
+                                <div class="text-sm font-bold text-slate-800 dark:text-slate-200">Oświetlenie</div>
+                                <div class="text-xs text-slate-500 dark:text-slate-400">${onLights} z ${lights.length} włączonych</div>
+                            </div>
+                        </div>
+                        <div class="flex gap-1.5">
+                            <button onclick="runCommand('${COMMAND_WAKE}', '${loc.id}', 'ctrl')" class="px-3 py-1.5 bg-emerald-100 hover:bg-emerald-200 dark:bg-emerald-900/30 dark:hover:bg-emerald-900/50 text-emerald-700 dark:text-emerald-400 rounded-md text-xs font-bold transition-colors">Włącz</button>
+                            <button onclick="runCommand('${COMMAND_SHUTDOWN}', '${loc.id}', 'ctrl')" class="px-3 py-1.5 bg-slate-200 hover:bg-slate-300 dark:bg-slate-700 dark:hover:bg-slate-600 text-slate-700 dark:text-slate-300 rounded-md text-xs font-bold transition-colors">Wyłącz</button>
+                        </div>
+                    </div>
+
+                    <!-- Dymek (Popover) centralnie nad kafelkiem, wymiar w 100% dopasowany do kafelka w ramach siatki -->
+                    <div id="popover-${loc.id}" class="absolute inset-0 z-50 flex opacity-0 invisible scale-95 transition-all duration-300 pointer-events-none">
+
+                        <!-- Właściwe okienko (zajmujące calutką ramkę) -->
+                        <div class="relative w-full h-full flex flex-col bg-white dark:bg-slate-800 rounded-2xl shadow-2xl border border-slate-200 dark:border-slate-700 pointer-events-auto overflow-hidden">
+
+                            <!-- Header Dymka -->
+                            <div class="flex items-center justify-between p-4 border-b border-slate-100 dark:border-slate-700 bg-slate-50/50 dark:bg-slate-800/50 shrink-0">
+                                <h4 class="font-bold text-slate-800 dark:text-slate-200 text-lg flex items-center gap-2">
+                                    <i class="fa fa-list text-brand-500"></i> Szczegóły: ${escapeHtml(loc.label)}
+                                </h4>
+                                <button onclick="closePopover('${loc.id}')" class="w-8 h-8 flex items-center justify-center rounded-full bg-slate-200 hover:bg-slate-300 dark:bg-slate-700 dark:hover:bg-slate-600 text-slate-600 dark:text-slate-300 transition-colors">
+                                    <i class="fa fa-times"></i>
+                                </button>
+                            </div>
+
+                            <!-- Obszar przewijany -->
+                            <div class="custom-scrollbar overflow-y-auto p-4 flex flex-col gap-4 flex-1">
+                                ${renderTerminalRows(pcs, 'Kontrolery (PC)', true)}
+                                ${renderTerminalRows(lights, 'Oświetlenie', false)}
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            `;
+        }
+
+        function renderTerminalRows(terminals, title, allowRestart) {
+            if(!terminals.length) return '';
+
+            const rows = terminals.map(t => {
+                const isRun = t.status?.toLowerCase() === 'running';
+                const statusCls = isRun ? "text-emerald-500" : "text-slate-400 dark:text-slate-500";
+                const dotCls = isRun ? "bg-emerald-500" : "bg-slate-300 dark:bg-slate-600";
+
+                // Indywidualne przyciski
+                let actions = `
+                    <button onclick="runSingleCommand('${COMMAND_WAKE}', '${t.id}', '${escapeHtml(t.name)}')" class="px-2 py-1 bg-emerald-50 text-emerald-600 hover:bg-emerald-100 dark:bg-emerald-900/20 dark:text-emerald-400 dark:hover:bg-emerald-900/40 rounded text-xs font-bold transition-colors">Włącz</button>
+                    <button onclick="runSingleCommand('${COMMAND_SHUTDOWN}', '${t.id}', '${escapeHtml(t.name)}')" class="px-2 py-1 bg-slate-100 text-slate-600 hover:bg-slate-200 dark:bg-slate-700 dark:text-slate-300 dark:hover:bg-slate-600 rounded text-xs font-bold transition-colors">Wyłącz</button>
+                `;
+                if(allowRestart) {
+                    actions += `<button onclick="runSingleCommand('${COMMAND_RESTART}', '${t.id}', '${escapeHtml(t.name)}')" class="px-2 py-1 bg-blue-50 text-blue-600 hover:bg-blue-100 dark:bg-blue-900/20 dark:text-blue-400 dark:hover:bg-blue-900/40 rounded text-xs font-bold transition-colors" title="Restart"><i class="fa fa-redo"></i></button>`;
+                }
+
+                return `
+                    <div class="flex flex-col sm:flex-row sm:items-center justify-between gap-2 p-2 hover:bg-slate-50 dark:hover:bg-slate-800/50 rounded-lg transition-colors border border-transparent hover:border-slate-100 dark:hover:border-slate-700">
+                        <div class="flex items-center gap-3 overflow-hidden">
+                            <span class="w-2 h-2 rounded-full flex-shrink-0 ${dotCls}"></span>
+                            <div class="truncate">
+                                <div class="text-sm font-semibold text-slate-800 dark:text-slate-200 truncate" title="${escapeHtml(t.name)}">${escapeHtml(t.name || `ID ${t.id}`)}</div>
+                                <div class="text-xs font-mono text-slate-500 dark:text-slate-400 flex gap-2">
+                                    <span>${t.ip || '-'}</span>
+                                    <span class="${statusCls}">${t.status || 'Brak'}</span>
+                                </div>
+                            </div>
+                        </div>
+                        <div class="flex gap-1 flex-shrink-0 sm:ml-auto">
+                            ${actions}
+                        </div>
+                    </div>
+                `;
+            }).join('');
+
+            return `
+                <div>
+                    <h5 class="text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-wider mb-2 pl-2">${title}</h5>
+                    <div class="flex flex-col gap-1">
+                        ${rows}
+                    </div>
+                </div>
+            `;
+        }
+
+        async function runGlobalCommand(command) {
+            const label = command === COMMAND_WAKE ? "Włącz" : "Wyłącz";
+            const confirmed = await customConfirm(
+                `Masowe wykonanie: ${label}`,
+                `Czy na pewno chcesz wykonać operację <strong>${label}</strong> na CAŁEJ wystawie (grupa: ${VISIBLE_GROUP_NAME})?\nDotyczy to wszystkich ${state.terminals.length} urządzeń.`
+            );
+            if(confirmed) executeCommand(command, 'all', 'all');
+        }
+
+        async function runCommand(command, locationId, type) {
+            const locName = state.terminals.find(t => t.location_id === locationId)?.location_name || locationId;
+            const typeName = type === 'computer' ? 'Kontrolery' : 'Oświetlenie';
+            const actionName = command === COMMAND_WAKE ? "Włączenie" : (command === COMMAND_SHUTDOWN ? "Wyłączenie" : "Restart");
+
+            const confirmed = await customConfirm(
+                `Akcja grupowa: ${actionName}`,
+                `Lokalizacja: <strong>${locName}</strong>\nUrządzenia: <strong>${typeName}</strong>\n\nCzy na pewno chcesz kontynuować?`
+            );
+            if(confirmed) executeCommand(command, locationId, type);
+        }
+
+        async function runSingleCommand(command, terminalId, terminalName) {
+            const actionName = command === COMMAND_WAKE ? "Włączenie" : (command === COMMAND_SHUTDOWN ? "Wyłączenie" : "Restart");
+            const terminal = state.terminals.find(t => String(t.id) === String(terminalId));
+
+            const confirmed = await customConfirm(
+                `Pojedyncza Akcja: ${actionName}`,
+                `Urządzenie: <strong>${terminalName}</strong>\nIP: ${terminal?.ip || 'Brak IP'}\n\nCzy na pewno wysłać polecenie?`
+            );
+
+            if(confirmed) {
+                if(terminal) executeCommandBulk(command, [terminal], terminalName);
+            }
+        }
+
+        async function executeCommand(command, locationId, type) {
+            const targets = state.terminals.filter(t => {
+                if(locationId !== 'all' && t.location_id !== locationId) return false;
+                if(type !== 'all' && (type === 'computer' ? t.player !== 'PC' : t.player !== 'CTRL')) return false;
+                return true;
+            });
+            if(!targets.length) return setStatus("Brak urządzeń spełniających kryteria.", true);
+            executeCommandBulk(command, targets, "Grupa urządzeń");
+        }
+
+        async function executeCommandBulk(command, targets, scopeLabel) {
+            state.busy = true;
+            setStatus(`Wysyłanie polecenia ${command} do ${targets.length} urządzeń (${scopeLabel})...`, false);
+
+            try {
+                // Wykrywanie Trybu Preview wstrzymuje żądania FETCH
+                const isPreview = window.location.protocol === 'about:' || window.location.protocol === 'blob:' || window.location.hostname === '';
+
+                let failedCount = 0;
+
+                for(const t of targets) {
+                    if (isPreview) {
+                        await new Promise(r => setTimeout(r, 100)); // Symulacja requestu
+                        const tRef = MOCK_DATA.find(m => m.id === t.id);
+                        if(tRef) tRef.status = command === COMMAND_SHUTDOWN ? 'Stopped' : 'Running';
+                    } else {
+                        // Produkcja
+                        try {
+                            const body = new URLSearchParams();
+                            body.set("command", command);
+                            body.set("tag_id", t.id);
+
+                            const res = await fetch(API_COMMAND, { method: "POST", body: body });
+                            if(!res.ok) failedCount++;
+                        } catch(e) {
+                            failedCount++;
+                        }
+                    }
+                }
+
+                if(failedCount > 0) setStatus(`Zakończono z błędami. Niepowodzenia: ${failedCount}/${targets.length}`, true);
+                else setStatus(`Polecenie wykonane pomyślnie dla ${targets.length} urządzeń.`, false);
+
+                setTimeout(() => refreshTerminals(true), 1500);
+            } finally {
+                state.busy = false;
+            }
+        }
+
+        function escapeHtml(str) {
+            return String(str||"").replace(/[&<>"']/g, m => ({"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#39;"})[m]);
+        }
+    </script>
+</body>
+</html>
