html, body {
            scrollbar-width: thin;
            scrollbar-color: #2563eb #f1f1f1;
            -webkit-tap-highlight-color: transparent;
            background: linear-gradient(135deg, #f3f4f6, #e5e7eb);
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f1f1;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb {
            background: #2563eb;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #1e40af;
        }
        button, a {
            outline: none;
        }
        .container {
            max-width: 1280px;
            width: 100%;
            padding-left: 0.5rem;
            padding-right: 0.5rem;
            margin-left: auto;
            margin-right: auto;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .nav-back {
            font-size: 1.5rem;
            color: #2563eb;
            transition: color 0.3s ease, transform 0.3s ease;
        }
        .nav-back:hover {
            color: #1e40af;
            transform: scale(1.1);
        }
        .nav-title {
            font-size: 1.5rem;
            font-weight: bold;
            color: #1f2937;
            text-align: center;
            flex-grow: 1;
        }
        .apps-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1.5rem;
            padding: 1rem 0;
        }
        .app-card {
            width: 140px;
            margin: 0 auto;
            transition: transform 0.3s ease;
            cursor: pointer;
        }
        .app-card:hover {
            transform: translateY(-4px);
        }
        .app-card .game-image {
            width: 140px;
            height: 140px;
            object-fit: cover;
            border-radius: 10px;
            margin-bottom: 0.5rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }
        .app-card h3 {
            font-size: 0.9rem;
            font-weight: 500;
            color: #1f2937;
            margin: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .error-message {
            color: #dc2626;
            text-align: center;
            font-weight: 500;
            font-size: 1rem;
            margin: 1rem 0;
        }
        .loading-spinner {
            display: none;
        }
        .loading-spinner.active {
            display: flex;
        }
        .button {
            display: inline-flex;
            align-items: center;
            background: linear-gradient(135deg, #2563eb, #1e40af);
            color: white;
            padding: 0.75rem 2rem;
            border-radius: 24px;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            margin: 1rem auto;
            transition: all 0.3s ease, opacity 0.2s ease;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }
        .button:hover {
            background: linear-gradient(135deg, #22c55e, #15803d);
            transform: scale(1.03);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }
        .button:active {
            opacity: 0.7;
        }
        @media (max-width: 768px) {
            .nav-container {
                padding: 0.75rem;
            }
            .nav-title {
                font-size: 1.25rem;
            }
            .nav-back {
                font-size: 1.25rem;
            }
            .apps-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1rem;
            }
            .app-card {
                width: 120px;
            }
            .app-card .game-image {
                width: 120px;
                height: 120px;
            }
            .app-card h3 {
                font-size: 0.85rem;
            }
            .button {
                padding: 0.6rem 1.5rem;
                font-size: 1rem;
            }
        }
        @media (max-width: 480px) {
            .nav-container {
                padding: 0.5rem;
            }
            .nav-title {
                font-size: 1.1rem;
            }
            .nav-back {
                font-size: 1.1rem;
            }
            .apps-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 0.75rem;
            }
            .app-card {
                width: 100px;
            }
            .app-card .game-image {
                width: 100px;
                height: 100px;
            }
            .app-card h3 {
                font-size: 0.8rem;
            }
            .button {
                padding: 0.5rem 1.25rem;
                font-size: 0.9rem;
            }
        }
        @keyframes fadeIn {
            0% { opacity: 0; transform: scale(0.98); }
            100% { opacity: 1; transform: scale(1); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease-in-out;
        }