:root {
            --primary: #FF6B35;
            --secondary: #9B5DE5;
            --accent: #00D68F;
            --bg: #0a0a1a;
            --surface: #16161E;
            --text: #fff;
            --text-sec: rgba(255,255,255,0.5);
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Poppins', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }
        
        .header {
            background: linear-gradient(135deg, var(--surface), rgba(22,22,30,0.95));
            padding: 20px 24px;
            text-align: center;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header h1 {
            font-size: 1.8rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }
        .header p { color: var(--text-sec); font-size: 0.9rem; }
        
        .container { max-width: 1200px; margin: 0 auto; padding: 24px 16px; }
        
        /* PWA Badge */
        .pwa-badge {
            background: rgba(0,214,143,0.15);
            border: 1px solid var(--accent);
            color: var(--accent);
            padding: 12px 20px;
            border-radius: 12px;
            text-align: center;
            margin-bottom: 20px;
            display: none;
        }
        .pwa-badge.show { display: block; }
        .pwa-badge strong { display: block; margin-bottom: 4px; }
        
        /* Storage Info */
        .storage-info {
            background: var(--surface);
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 24px;
            display: none;
        }
        .storage-info.show { display: block; }
        .storage-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
            margin-bottom: 16px;
        }
        .stat {
            background: rgba(255,255,255,0.05);
            padding: 16px;
            border-radius: 8px;
        }
        .stat-label { font-size: 0.85rem; color: var(--text-sec); margin-bottom: 4px; }
        .stat-value { font-size: 1.5rem; font-weight: 700; color: var(--accent); }
        .stat-bar {
            width: 100%;
            height: 8px;
            background: rgba(255,255,255,0.1);
            border-radius: 4px;
            margin-top: 8px;
            overflow: hidden;
        }
        .stat-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transition: width 0.3s ease;
        }
        
        .actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .btn {
            padding: 12px 24px;
            border-radius: 8px;
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
        }
        .btn-primary:hover { transform: translateY(-2px); }
        .btn-secondary {
            background: rgba(255,255,255,0.1);
            color: var(--text);
            border: 1px solid rgba(255,255,255,0.2);
        }
        .btn-secondary:hover { background: rgba(255,255,255,0.2); }
        
        /* Games Grid */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }
        
        .game-card {
            background: var(--surface);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(255,255,255,0.08);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .game-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(155,93,229,0.2);
        }
        
        .game-logo {
            width: 100%;
            height: 120px;
            background: linear-gradient(135deg, #1a1a2e, #16161E);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .game-logo-placeholder {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .game-info { padding: 20px; }
        .game-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
        .game-year { color: var(--text-sec); font-size: 0.8rem; margin-bottom: 12px; }
        .game-stats { color: var(--text-sec); font-size: 0.85rem; margin-bottom: 16px; }
        
        .download-progress {
            margin-bottom: 16px;
            display: none;
        }
        .download-progress.show { display: block; }
        .progress-bar {
            width: 100%;
            height: 6px;
            background: rgba(255,255,255,0.1);
            border-radius: 3px;
            overflow: hidden;
            margin-bottom: 4px;
        }
        .progress-bar-fill {
            height: 100%;
            background: var(--accent);
            transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .progress-text {
            font-size: 0.75rem;
            color: var(--text-sec);
        }
        
        .download-btn {
            width: 100%;
            padding: 12px 20px;
            border-radius: 10px;
            border: none;
            font-weight: 600;
            cursor: pointer;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all 0.2s;
        }
        .download-btn.primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
        }
        .download-btn.primary:hover { transform: scale(1.02); }
        .download-btn.downloaded {
            background: rgba(0,214,143,0.15);
            color: var(--accent);
            border: 1px solid var(--accent);
        }
        .download-btn:disabled { 
            opacity: 0.5;
            cursor: not-allowed;
        }
        .download-btn:disabled:hover { transform: none; }
        
        .cancel-btn {
            width: 100%;
            padding: 12px 20px;
            border-radius: 10px;
            border: none;
            font-weight: 600;
            cursor: pointer;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all 0.2s;
            margin-top: 8px;
            background: rgba(255, 107, 107, 0.15);
            color: #ff6b6b;
            border: 1px solid rgba(255, 107, 107, 0.4);
        }
        .cancel-btn:hover {
            background: rgba(255, 107, 107, 0.3);
            transform: scale(1.02);
            color: #fff;
        }
        
        /* Offline Badge */
        .offline-badge {
            background: rgba(255,107,53,0.15);
            color: #FF6B35;
            padding: 8px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            text-align: center;
            margin-top: 12px;
            display: none;
        }
        .offline-badge.show { display: block; }
        
        /* Downloaded List */
        .downloads-list {
            background: var(--surface);
            border-radius: 12px;
            padding: 20px;
            margin-top: 20px;
            display: none;
        }
        .downloads-list.show { display: block; }
        .downloads-list h3 {
            margin-bottom: 16px;
            color: var(--accent);
        }
        .download-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px;
            background: rgba(255,255,255,0.05);
            border-radius: 8px;
            margin-bottom: 8px;
            font-size: 0.9rem;
        }
        .download-item-info {
            flex: 1;
        }
        .download-item-size {
            color: var(--text-sec);
            font-size: 0.8rem;
            margin-top: 2px;
        }
        .delete-btn {
            background: rgba(255,68,68,0.1);
            color: #ff4444;
            border: 1px solid rgba(255,68,68,0.2);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s;
        }
        .delete-icon::before { content: '🗑️'; font-size: 1.1rem; }
        .delete-btn:hover { 
            background: rgba(255,68,68,0.3);
            transform: scale(1.1);
        }
        
        @media (max-width: 768px) {
            .games-grid {
                grid-template-columns: 1fr;
            }
            .storage-stats {
                grid-template-columns: 1fr;
            }
        }

        /* Connection Status */
        .connection-status {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-sec);
            margin-top: 8px;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        .status-dot.online {
            background: #00D68F;
            box-shadow: 0 0 8px rgba(0,214,143,0.5);
        }

        .status-dot.offline {
            background: #FF6B35;
            box-shadow: 0 0 8px rgba(255,107,53,0.5);
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        /* Quick Actions Bar */
        .quick-actions {
            display: flex;
            gap: 8px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .action-btn {
            padding: 10px 18px;
            border-radius: 20px;
            border: 2px solid transparent;
            background: rgba(255,255,255,0.08);
            color: var(--text);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 0.9rem;
        }

        .action-btn:hover {
            background: rgba(255,255,255,0.15);
        }

        .action-btn[data-active="true"] {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-color: var(--accent);
            box-shadow: 0 4px 15px rgba(155,93,229,0.3);
        }

        /* Section Headers */
        .section-header {
            font-size: 1.3rem;
            font-weight: 700;
            margin: 32px 0 16px;
            color: var(--text);
        }

        .games-section {
            margin-bottom: 40px;
        }

        .games-section h2 {
            padding-bottom: 12px;
            border-bottom: 2px solid rgba(255,255,255,0.1);
        }

        /* PWA Navigation Menu */
        .pwa-nav-menu {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(180deg, rgba(22,22,30,0.95), rgba(10,10,26,0.98));
            border-top: 2px solid #FF6B35;
            backdrop-filter: blur(10px);
            z-index: 99;
            padding: 12px 20px 24px 20px;
            box-shadow: 0 -4px 20px rgba(255,107,53,0.2);
            display: flex;
            align-items: center;
            justify-content: space-around;
            gap: 12px;
        }

        .pwa-mode .pwa-nav-menu {
            display: flex;
        }

        .nav-item {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 12px 20px;
            color: var(--text);
            text-decoration: none;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            flex: 1;
            text-align: center;
            border: 1px solid transparent;
            background: rgba(255,255,255,0.05);
            cursor: pointer;
        }

        .nav-item:hover {
            background: rgba(255,107,53,0.2);
            color: #FF6B35;
            border-color: #FF6B35;
            transform: translateY(-2px);
        }

        /* Adjust container padding for PWA menu */
        .pwa-mode .container {
            padding-bottom: 100px;
        }

        /* PWA Install Banner */
        .pwa-banner {
            position: fixed;
            bottom: -400px;
            left: 0;
            right: 0;
            background: linear-gradient(135deg, #FF6B35, #9B5DE5);
            border-top: 3px solid #00D68F;
            padding: 20px 16px;
            z-index: 999;
            display: flex;
            align-items: center;
            gap: 16px;
            backdrop-filter: blur(12px);
            box-shadow: 0 -4px 30px rgba(155,93,229,0.4);
            animation: slideBannerUp 0.5s ease forwards;
        }

        @keyframes slideBannerUp {
            to { bottom: 0; }
        }

        @keyframes slideOut {
            to { bottom: -400px; }
        }

        .pwa-banner.hide {
            animation: slideOut 0.5s ease forwards;
        }

        .pwa-banner-icon {
            font-size: 2.5rem;
            flex-shrink: 0;
        }

        .pwa-banner-content {
            flex: 1;
        }

        .pwa-banner-title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 4px;
            color: #fff;
        }

        .pwa-banner-text {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.9);
            line-height: 1.4;
        }

        .pwa-banner-text small {
            display: block;
            margin-top: 6px;
            font-size: 0.75rem;
            opacity: 0.8;
        }

        .pwa-banner-buttons {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }

        .pwa-install-btn {
            background: #fff;
            color: #FF6B35;
            border: none;
            padding: 10px 20px;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.2s;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .pwa-install-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 4px 15px rgba(0,0,0,0.3);
        }

        .pwa-close-btn {
            background: rgba(255,255,255,0.2);
            color: #fff;
            border: 1px solid rgba(255,255,255,0.4);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }

        .pwa-close-btn:hover {
            background: rgba(255,255,255,0.3);
        }

        @media (max-width: 768px) {
            .pwa-banner {
                flex-direction: column;
                gap: 12px;
            }
        }