:root {
            --bg-primary: #0b0d12;
            --bg-secondary: #141721;
            --bg-card-hover: #1c2230;
            --accent-cyan: #0068ed;
            --accent-blue-bright: #0084ff;
            --accent-dark-cyan: #0052bd;
            --accent-magenta: #e0006c;
            --text-main: #ffffff;
            --text-muted: #9da3b4;
            
            /* Kompatibilita se zbytkem systému */
            --primary: var(--accent-cyan);        
            --primary-hover: var(--accent-blue-bright);  
            --bg-dark: var(--bg-primary);
            --surface-dark: var(--bg-secondary);
            --text-white: var(--text-main);
            --border-color: rgba(255, 255, 255, 0.08);
            --navbar-height: 70px;
        }

        body {
            margin: 0;
            padding: calc(var(--navbar-height) + 20px) 4vw 40px 4vw;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            background-color: var(--bg-dark);
            color: var(--text-white);
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
        }

        .main-navbar {
            background-color: rgba(11, 13, 18, 0.85); /* Tmavší sklo s opacitou pro blur */
            backdrop-filter: blur(16px); 
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--navbar-height);
            z-index: 9999;
            display: flex;
            align-items: center;
        }

        .navbar-container {
            width: 100%;
            max-width: 1750px;
            margin: 0 auto;
            padding: 0 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-sizing: border-box;
        }

        /* Flexbox pro spojení loga a textu */
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            transition: transform 0.2s ease;
            z-index: 100001;
        }
        
        /* Samotný obrázek loga */
        .navbar-logo img {
            height: 28px;
            width: auto;
            display: block;
        }

        /* Čistý, ultra tučný Inter styl textu loga na main webu */
        .navbar-logo .logo-text {
            font-family: 'Inter', sans-serif;
            font-size: 22px;
            font-weight: 900;
            color: var(--text-white);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 1px;
        }

        .navbar-logo .logo-text .subbrand {
            font-weight: 600;
            color: var(--accent-cyan);
        }

        .navbar-logo:hover {
            transform: scale(1.02);
        }

        .navbar-menu {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex: 1;
            margin-left: 40px;
        }

        .navbar-links, .navbar-user-actions {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            align-items: center;
            gap: 22px;
        }

        /* Základní linky v menu – tučný Inter */
        .nav-item {
            color: var(--text-muted);
            text-decoration: none;
            font-weight: 700;
            font-size: 14px;
            padding: 8px 4px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color 0.2s ease;
            position: relative;
            cursor: pointer;
        }
        .nav-item:hover, .nav-item.active, .dropdown:hover .nav-item {
            color: var(--text-white);
        }
        .nav-item::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 3px;
            border-radius: 2px;
            background-color: var(--accent-cyan);
            transition: width 0.3s ease;
            box-shadow: 0 0 10px var(--accent-cyan);
        }
        .nav-item:hover::after, .nav-item.active::after, .dropdown:hover .nav-item::after {
            width: 100%;
        }

        /* DROPDOWN MENU PRO STUDIA */
        .dropdown {
            position: relative;
            display: inline-block;
        }
        
        .dropdown-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            background-color: var(--bg-secondary);
            min-width: 200px;
            box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.6);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            z-index: 10000;
            padding: 5px 0;
            list-style: none;
            margin-top: 2px; 
        }

        .dropdown-menu::before {
            content: '';
            position: absolute;
            top: -15px;
            left: 0;
            width: 100%;
            height: 15px;
            background: transparent;
        }

        .dropdown-menu a {
            font-family: 'Inter', sans-serif;
            font-weight: 600;
            color: var(--text-muted);
            padding: 12px 16px; 
            text-decoration: none;
            display: block;
            font-size: 14px;
            transition: all 0.2s ease;
        }
        
        .dropdown-menu a:hover {
            background-color: var(--bg-card-hover);
            color: var(--accent-cyan);
            padding-left: 20px;
            text-shadow: 0 0 5px rgba(102, 252, 241, 0.3);
        }
        .dropdown:hover .dropdown-menu {
            display: block;
        }

        .dropdown:hover .dropdown-toggle::after {
            color: var(--text-white);
        }

        /* --- STYLY PRO NOTIFIKAČNÍ ZVONEČEK A TOASTY --- */
        .notif-dropdown {
            position: relative;
            display: inline-block;
        }
        #notification-bell {
            padding: 8px; 
        }
        #notification-badge {
            position: absolute;
            top: 2px;
            right: 2px;
            background-color: var(--primary);
            color: var(--text-white);
            border-radius: 50%;
            padding: 1px 4px;
            font-size: 9px;
            font-weight: bold;
            line-height: 1;
            min-width: 13px;
            text-align: center;
        }
        #notification-box {
            display: none;
            position: absolute;
            top: 100%;
            right: 0; 
            background-color: #141414;
            width: 320px;
            box-shadow: 0px 12px 24px rgba(0,0,0,0.8);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            z-index: 100000;
            margin-top: 5px;
            max-height: 400px;
            overflow-y: auto;
        }
        .notif-header {
            font-family: 'Inter', sans-serif;
            font-weight: 700;
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-white);
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .notif-item {
            display: block;
            padding: 12px 35px 12px 16px;
            border-bottom: 1px solid #1c1c1c;
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13.5px;
            line-height: 1.4;
            transition: background 0.2s, color 0.2s;
            text-align: left;
            position: relative;
        }
        .notif-item:hover {
            background-color: #1c1c1c;
            color: var(--text-white);
        }
        .delete-single-notif {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            color: #555;
            font-size: 16px;
            padding: 5px;
            z-index: 10;
            transition: color 0.2s;
        }
        .delete-single-notif:hover {
            color: #ff3333;
        }
        .notif-time {
            display: block;
            font-size: 11px;
            color: #555;
            margin-top: 4px;
        }
        .notif-empty {
            padding: 25px;
            color: #555;
            text-align: center;
            font-style: italic;
            font-size: 13.5px;
        }
        #toast-container {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 1000000;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        /* Vyhledávání */
        .navbar-search-form {
            flex: 0 1 350px;
            margin: 0 20px;
        }
        .search-input-wrapper {
            position: relative;
            display: flex;
            align-items: center;
        }
        .navbar-search-form input {
            font-family: 'Inter', sans-serif;
            font-weight: 600;
            width: 100%;
            background-color: #181818;
            border: 1px solid #333;
            color: var(--text-white);
            padding: 8px 35px 8px 15px;
            border-radius: 20px;
            font-size: 14px;
            transition: all 0.2s ease;
            box-sizing: border-box;
        }
        .navbar-search-form input:focus {
            outline: none;
            border-color: var(--primary);
            background-color: #202020;
            box-shadow: 0 0 8px rgba(223, 77, 54, 0.2);
        }
        .navbar-search-form button {
            position: absolute;
            right: 12px;
            background: none;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .navbar-search-form button:hover {
            color: var(--primary);
        }

        /* Tlačítka */
        .nav-btn {
            text-decoration: none;
            font-weight: 700;
            font-size: 14px;
            padding: 8px 16px;
            border-radius: 6px;
            transition: all 0.2s ease;
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .btn-register {
            background-color: var(--primary);
            color: var(--text-white);
        }
        .btn-register:hover {
            background-color: var(--primary-hover);
            box-shadow: 0 4px 12px rgba(223, 77, 54, 0.2);
        }
        .btn-admin {
            background-color: #2b1d52;
            color: #cbbaff;
            border: 1px solid #443280;
        }
        .btn-admin:hover {
            background-color: #3b2973;
            color: var(--text-white);
        }
        .btn-logout {
            background-color: transparent;
            color: #ff5555;
            border: 1px solid rgba(255, 85, 85, 0.3);
        }
        .btn-logout:hover {
            background-color: rgba(255, 85, 85, 0.1);
            color: #ff3333;
        }

        .navbar-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 22px;
            cursor: pointer;
            padding: 10px;
            z-index: 100001;
        }

        /* STYLY PRO LIVE NAŠEPTÁVAČ */
        .search-dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: #141414;
            border: 1px solid #333;
            border-radius: 8px;
            margin-top: 8px;
            box-shadow: 0 12px 30px rgba(0,0,0,0.7);
            z-index: 999999;
            display: none;
            overflow: hidden;
            list-style: none;
            padding: 0;
        }
        .search-dropdown-item a {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 12px 16px;
            border-bottom: 1px solid #1f1f1f;
            text-decoration: none;
            color: #fff;
        }
        .search-dropdown-item:last-child a { border-bottom: none; }
        .search-dropdown-item:hover { background: #202020; }
        
        .search-dropdown-poster {
            width: 35px;
            aspect-ratio: 210 / 297;
            object-fit: cover;
            border-radius: 4px;
            background: #000;
            border: 1px solid #333;
            flex-shrink: 0;
        }
        .search-dropdown-avatar {
            width: 35px;
            height: 35px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            justify-content: center;
            align-items: center;
            font-weight: bold;
            font-size: 14px;
            flex-shrink: 0;
        }
        .search-dropdown-text { display: flex; flex-direction: column; flex: 1; min-width: 0; }
        .search-dropdown-title { font-weight: 700; font-size: 14px; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .search-dropdown-desc { font-size: 12px; color: #888; margin-top: 2px; }

        /* ==========================================================================
            KOMPLETNÍ MOBILNÍ RESPONSIVNÍ DESIGN 
           ========================================================================== */
        @media (max-width: 992px) {
            body {
                padding: calc(var(--navbar-height) + 15px) 15px 30px 15px; 
            }

            .navbar-toggle { 
                display: block; 
            }

            .navbar-menu {
                display: none;
                flex-direction: column;
                position: fixed;
                top: var(--navbar-height);
                left: 0;
                width: 100%;
                height: calc(100vh - var(--navbar-height)); 
                background-color: rgba(11, 13, 18, 0.96);
                backdrop-filter: blur(25px);
                -webkit-backdrop-filter: blur(25px);
                padding: 30px 20px 40px 20px;
                margin-left: 0;
                gap: 20px;
                box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
                box-sizing: border-box;
                overflow-y: auto;
                justify-content: flex-start;
                align-items: center;
                animation: slideDown 0.3s ease-out forwards;
            }

            @keyframes slideDown {
                from { opacity: 0; transform: translateY(-15px); }
                to { opacity: 1; transform: translateY(0); }
            }

            .navbar-menu.active { 
                display: flex; 
            }

            .navbar-links, .navbar-user-actions {
                flex-direction: column;
                width: 100%;
                max-width: 400px;
                gap: 12px;
            }

            .navbar-links li, .navbar-user-actions li {
                width: 100%;
                text-align: center;
            }

            /* Hide search and notifications in mobile menu */
            .nav-search,
            .navbar-user-actions li:nth-child(2) {
                display: none !important;
            }

            .nav-item {
                justify-content: center;
                padding: 16px;
                font-size: 16px; 
                border-bottom: none;
                background: rgba(255, 255, 255, 0.03);
                border: 1px solid rgba(255, 255, 255, 0.05);
                border-radius: 12px;
                width: 100%;
                box-sizing: border-box;
                transition: all 0.2s ease;
            }
            .nav-item:hover, .nav-item.active {
                background: rgba(0, 104, 237, 0.1);
                border-color: var(--primary);
                color: #fff;
                transform: translateY(-2px);
                box-shadow: 0 4px 15px rgba(0, 104, 237, 0.2);
            }
            .nav-item::after { display: none; } 

            #notification-box {
                position: relative;
                top: 0;
                right: 0;
                width: 100%;
                box-shadow: none;
                margin-top: 10px;
                border-color: #1f1f1f;
            }
            .notif-dropdown {
                width: 100%;
            }
            #notification-badge {
                top: 5px; 
                right: calc(50% - 25px); 
            }

            .dropdown {
                width: 100%;
            }
            /* Disabled hover on mobile so it doesn't flash */
            .dropdown:hover .dropdown-menu { 
                display: none; 
            }
            
            /* Clean drill-down sub-menu logic */
            .navbar-menu.sub-menu-active > *:not(.navbar-links) {
                display: none !important;
            }
            .navbar-menu.sub-menu-active .navbar-links > li:not(.nav-dropdown-studia) {
                display: none !important;
            }
            .navbar-menu.sub-menu-active .js-mobile-studios-btn {
                display: none !important;
            }
            .navbar-menu.sub-menu-active .dropdown-menu {
                display: flex;
                flex-direction: column;
                position: static;
                width: 100%;
                height: auto;
                background: transparent;
                backdrop-filter: none;
                z-index: 1;
                border: none;
                padding: 0;
                margin: 0;
                box-shadow: none;
                animation: fadeIn 0.3s ease-out forwards;
            }

            @keyframes fadeIn {
                from { opacity: 0; transform: translateX(20px); }
                to { opacity: 1; transform: translateX(0); }
            }

            .dropdown-menu a {
                text-align: center;
                font-size: 16px;
                padding: 16px;
                border-bottom: none;
                background: rgba(255, 255, 255, 0.03);
                border: 1px solid rgba(255, 255, 255, 0.05);
                border-radius: 12px;
                margin-bottom: 12px;
                display: block;
                width: 100%;
                box-sizing: border-box;
                transition: all 0.2s ease;
            }
            
            .dropdown-menu a:last-child {
                margin-bottom: 0;
            }
            
            .dropdown-menu a:hover {
                background: rgba(0, 104, 237, 0.1);
                border-color: var(--primary);
                color: #fff;
                transform: translateY(-2px);
                box-shadow: 0 4px 15px rgba(0, 104, 237, 0.2);
            }

            .js-studios-back {
                background: rgba(0, 104, 237, 0.1) !important;
                border: 1px solid var(--primary) !important;
                color: var(--primary) !important;
            }

            .mobile-only {
                display: block !important;
            }
        }

        .mobile-only {
            display: none;
        }

            .navbar-search-form { 
                margin: 15px 0; 
                max-width: 400px; 
            }
            .navbar-search-form input {
                padding: 14px 40px 14px 20px; 
                border-radius: 12px;
                font-size: 15px;
                background: rgba(255,255,255,0.05);
                border: 1px solid rgba(255,255,255,0.1);
            }
            .navbar-search-form button {
                right: 15px;
            }

            .nav-btn { 
                justify-content: center; 
                width: 100%; 
                padding: 14px;
                font-size: 16px;
            }

        #toast-container {
            left: 15px;
            right: 15px;
            bottom: 15px;
            width: auto;
        }