        :root {
            --bg-color: #f8f9fa;
            --text-color: #212529;
            --card-bg: white;
            --card-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --footer-bg: white;
            --footer-text: #6c757d;
        }

        body.dark-mode {
            --bg-color: #121212;
            --text-color: #e0e0e0;
            --card-bg: #1e1e1e;
            --card-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            --footer-bg: #1a1a1a;
            --footer-text: #a0a0a0;
        }

        body {
            background-color: var(--bg-color);
            color: var(--text-color);
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            padding-top: 20px;
            transition: background-color 0.5s ease, color 0.5s ease;
        }
        .navbar {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            border-radius: 10px;
            margin-bottom: 30px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            padding: 0.8rem 1rem;
        }
        .navbar-brand {
            font-weight: 700;
            color: white !important;
            font-size: 1.5rem;
            position: relative;
            overflow: hidden;
            background: linear-gradient(90deg, #ff8a00, #e52e71, #ff8a00);
            background-size: 200% 100%;
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: gradientMove 3s infinite linear;
        }
        @keyframes gradientMove {
            0% { background-position: 0% 50%; }
            100% { background-position: 200% 50%; }
        }
        .nav-link {
            color: rgba(255, 255, 255, 0.85) !important;
            font-weight: 500;
            padding: 0.5rem 1rem !important;
            border-radius: 8px;
            transition: all 0.3s ease;
            position: relative;
            cursor: pointer;
        }
        .nav-link:hover, .nav-link.active {
            color: white !important;
            background-color: rgba(255, 255, 255, 0.15);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: white;
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }
        .nav-link:hover::after {
            width: 70%;
        }
        .btn-login {
            background: rgba(255, 255, 255, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: white;
            border-radius: 20px;
            padding: 0.4rem 1.2rem;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .btn-login:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }
        .grid-item {
            margin-bottom: 30px;
            transition: transform 0.3s ease;
        }
        .grid-item:hover {
            transform: translateY(-5px);
        }
        .listing-item {
            background: var(--card-bg);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            height: 100%;
            transition: all 0.3s ease;
            position: relative;
        }
        .listing-item:hover {
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }
        .position-relative {
            position: relative;
        }
        .listing-img-holder {
            display: block;
            overflow: hidden;
            position: relative;
        }
        .listing-img-holder img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .listing-img-holder:hover img {
            transform: scale(1.05);
        }
        .listing-content {
            padding: 20px;
        }
        .listing-item-heading {
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-color);
            line-height: 1.4;
        }
        .listing-item-description {
            color: #7f8c8d;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }
        .game-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 15px;
            padding-top: 15px;
            border-top: 1px solid #f1f1f1;
        }
        .game-date {
            font-weight: 500;
            font-size: 0.9rem;
        }
        .game-category {
            background: #f8f9fa;
            padding: 4px 12px;
            border-radius: 15px;
            font-size: 0.85rem;
            color: #6c757d;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .game-category:hover {
            background: #e9ecef;
            transform: translateY(-2px);
        }
        body.dark-mode .game-category {
            background: #2a2a2a;
            color: #a0a0a0;
        }
        body.dark-mode .game-category:hover {
            background: #3a3a3a;
        }
        .expired-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10;
            color: white;
            font-size: 2rem;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .footer {
            background: var(--footer-bg);
            border-radius: 10px;
            padding: 30px;
            margin-top: 50px;
            box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .footer-link {
            color: var(--footer-text);
            margin: 0 15px;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-link:hover {
            color: #4a6cf7;
        }
        .footer-info {
            text-align: center;
            color: var(--footer-text);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .footer-divider {
            margin: 0 10px;
            color: #dee2e6;
        }
        @media (max-width: 992px) {
            .navbar-collapse {
                text-align: center;
            }
            .navbar-nav {
                margin: 0.5rem 0;
            }
            .btn-login {
                margin: 10px auto 0;
                max-width: 200px;
            }
            .welcome-text {
                justify-content: center;
                text-align: center;
                width: 100%;
                margin: 10px 0;
                padding: 0.8rem 1rem;
            }
            .welcome-text-container {
                display: flex;
                justify-content: center;
                width: 100%;
            }
        }
        @media (max-width: 768px) {
            .navbar-brand {
                font-size: 1.3rem;
            }
            .nav-link {
                font-size: 0.95rem;
                padding: 0.4rem 0.8rem !important;
            }
        }
        .theme-indicator {
            position: fixed;
            top: 20px;
            right: 20px;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--card-bg);
            box-shadow: var(--card-shadow);
            z-index: 1000;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
        }
        .theme-indicator:hover {
            transform: scale(1.1);
        }
        @media (max-width: 576px) {
            .theme-indicator {
                display: none;
            }
        }
        .loading {
            text-align: center;
            padding: 40px;
            color: #6c757d;
        }
        .no-js-message {
            display: none;
            text-align: center;
            padding: 20px;
            background: #fff3cd;
            border-radius: 8px;
            margin: 20px 0;
            color: #856404;
            border: 1px solid #ffeaa7;
        }
        .no-js-message p {
            margin: 0;
        }
        .welcome-text {
            color: white;
            margin: 0;
            padding: 0.4rem 1.2rem;
            display: flex;
            align-items: center;
        }
        .welcome-text a {
            color: #ffcc00;
            margin-left: 10px;
            text-decoration: none;
            cursor: pointer;
        }
        .welcome-text a:hover {
            text-decoration: underline;
        }
        .content-section {
            display: none;
        }
        .content-section.active {
            display: block;
        }
        .page-content {
            display: none;
        }
        .page-content.active {
            display: block;
        }
        .btn-cf {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 25px;
            font-weight: bold;
            transition: all 0.3s ease;
            display: inline-block;
            margin-top: 20px;
        }
        .btn-cf:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            color: white;
        }