:root {
            --primary-color: #6366f1;
            --secondary-color: #8b5cf6;
            --accent-color: #06b6d4;
            --success-color: #10b981;
            --warning-color: #f59e0b;
            --danger-color: #ef4444;
            --dark-bg: #0f172a;
            --darker-bg: #020617;
            --card-bg: #1e293b;
            --text-primary: #f8fafc;
            --text-secondary: #cbd5e1;
            --border-color: #334155;
            --hover-color: #475569;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
            color: var(--text-primary);
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            min-height: 100vh;
            overflow-x: hidden;
        }

        /* Animated Background */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at 40% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
            animation: float 20s ease-in-out infinite;
            z-index: -1;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(180deg); }
        }

        /* Navbar Styles */
        .navbar {
            background: rgba(15, 23, 42, 0.95) !important;
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            position: relative; /* Potrebné pre z-index */
            z-index: 100; /* Zabezpečí, že bude nad ostatnými elementmi */            
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary) !important;
            transition: all 0.3s ease;
            position: relative;
            padding: 0.5rem 1rem !important;
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary-color) !important;
            transform: translateY(-2px);
        }

        .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

        .navbar-nav .nav-link:hover::after {
            width: 80%;
        }

        .dropdown-menu {
            background: var(--card-bg);
            border: 0px solid var(--border-color);
            border-radius: 12px;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
            backdrop-filter: blur(10px);
        }

        .dropdown-item {
            color: var(--text-secondary);
            transition: all 0.3s ease;
            border-radius: 2px;
            margin: 4px 4px;
        }

        .dropdown-item:hover {
            background: var(--hover-color);
            color: var(--text-primary);
            transform: translateX(0px);
        }

        /* Main Content */
        .container {
            position: relative;
            z-index: 1;
        }

        /* Banner Section */
        #banner {
            background: linear-gradient(135deg, var(--card-bg) 0%, rgba(51, 65, 85, 0.8) 100%);
            border-radius: 20px;
            padding: 4rem 2rem;
            margin-bottom: 3rem;
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
            position: relative;
            overflow: hidden;
        }

        #banner::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
            animation: rotate 30s linear infinite;
        }

        @keyframes rotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        #banner h1 {
            font-size: 3.5rem;
            font-weight: 800;
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--accent-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }

        #banner .subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            position: relative;
            z-index: 1;
        }

        /* Dashboard Cards */
        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }


        .container {
            position: relative;
            z-index: 1; /* Tvoja existujúca hodnota */
        }

        .dropdown-menu {
            position: relative; /* Potrebné pre z-index */
            z-index: 101; /* O niečo vyšší ako navbar, aby bol nad ním, ak sa vysunie */
        }




        .card td, .card th {
            color: var(--text-secondary) !important;
            border: 1px solid var(--border-color);
        }

        /* Zjednocuje border farbu pre celú tabuľku v karte */
        .card table {
            border-collapse: collapse; /* Odstráni dvojité borders */
            width: 100%;
        }

        .card th, .card td {
            color: var(--text-secondary) !important;
            border: 1px solid var(--border-color); /* Tvoja existujúca definícia, ktorá je dobrá */
            padding: 12px 15px; /* Pridajme padding pre lepšie čítanie */
            text-align: left; /* Pre konzistenciu */
        }

        /* Zameriame sa na hlavičky tabuliek */
        .card th {
            background-color: rgba(30, 41, 59, 0.5); /* Mierne tmavšie pozadie pre hlavičky */
            color: var(--text-primary) !important; /* Zvýrazníme text hlavičky */
            border-bottom: 2px solid var(--border-color); /* Pridáme výraznejší spodný border na hlavičky */
            font-weight: 600;
        }

        /* Odstránime border z vrchu prvého riadku, ak už je na hlavičke */
        .card tr:first-child th {
            border-top: none;
        }

        /* Ak sa ti zdá, že aj samotný thead element má bottom border, zmeníme ho */
        .card thead {
            border-top: 2px solid var(--border-color); /* Odstránime pôvodný top border z thead */
            border-bottom: none; /* Odstránime pôvodný bottom border z thead */
        }

        .card a {
            color: var(--text-secondary);
        }

        .card a:hover {
            color: var(--text-secondary);
            text-decoration: none;
        }
     

        .card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 2rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            transform: translateX(-100%);
            transition: transform 0.3s ease;
        }

        .card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1rem;
        }

        .card-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: white;
        }

        .card-icon.primary { background: linear-gradient(45deg, var(--primary-color), var(--secondary-color)); }
        .card-icon.success { background: linear-gradient(45deg, var(--success-color), #22c55e); }
        .card-icon.warning { background: linear-gradient(45deg, var(--warning-color), #fbbf24); }
        .card-icon.danger { background: linear-gradient(45deg, var(--danger-color), #f87171); }

        .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .card-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }

        .card-description {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }


        .card .btn {
            color: var(--card-bg);
        }

        .card .btn:hover {
            color: var(--border-color);
        }
        
        /* Action Buttons */
        .action-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 2rem;
        }

        .action-btn {
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            border: none;
            padding: 1rem 2rem;
            border-radius: 12px;
            color: white;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .action-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s ease;
        }

        .action-btn:hover::before {
            left: 100%;
        }

        .action-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px -5px rgba(99, 102, 241, 0.3);
            color: white;
        }

        .action-btn.secondary {
            background: linear-gradient(45deg, var(--card-bg), var(--hover-color));
            color: var(--text-primary);
        }

        .action-btn.secondary:hover {
            color: var(--text-primary);
            box-shadow: 0 15px 30px -5px rgba(51, 65, 85, 0.3);
        }

        /* Alerts */
        .alert {
            border: none;
            border-radius: 12px;
            padding: 1rem 1.5rem;
            margin-bottom: 1rem;
            backdrop-filter: blur(10px);
        }

        .alert-success {
            background: rgba(16, 185, 129, 0.1);
            color: var(--success-color);
            border-left: 4px solid var(--success-color);
        }

        .alert-warning {
            background: rgba(245, 158, 11, 0.1);
            color: var(--warning-color);
            border-left: 4px solid var(--warning-color);
        }

        .alert-danger {
            background: rgba(239, 68, 68, 0.1);
            color: var(--danger-color);
            border-left: 4px solid var(--danger-color);
        }

        .alert-info {
            background: rgba(6, 182, 212, 0.1);
            color: var(--accent-color);
            border-left: 4px solid var(--accent-color);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            #banner h1 {
                font-size: 2.5rem;
            }
            
            .dashboard-grid {
                grid-template-columns: 1fr;
            }
            
            .action-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .action-btn {
                width: 100%;
                max-width: 300px;
            }
        }

        /* Loading Animation */
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .loading {
            animation: pulse 2s infinite;
        }

        
        .dashboard-grid {
            display: flex; /* Zapne Flexbox pre kontajner */
            flex-wrap: wrap; /* Umožní zalamovanie kariet na ďalší riadok na menších obrazovkách */
            gap: 20px; /* Medzera medzi kartami, môžeš si ju upraviť */
        }

        .dashboard-card {
            flex: 1; /* Kľúčová vlastnosť: každá karta sa pokúsi zabrať rovnaký priestor */
            display: flex; /* Zabezpečí, že aj obsah vo vnútri karty sa bude dať pekne zarovnať */
            flex-direction: column;
        }

        .dashboard-card .card-header {
            flex-grow: 1; /* Dovolí hlavičke karty rásť a vyplniť dostupný priestor */
        }

        .system-info-section {
            padding: 20px;
            border-radius: 8px;
            margin-top: 20px;
        }

        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
            margin-top: 15px;
        }

        .info-item {
            padding: 15px;
            border-radius: 6px;
            border: 1px solid #e0e0e0;
        }