/* Install Banner Styles */
        .install-banner {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
            border-bottom: 1px solid #444;
            color: #fff;
            padding: 16px 0;
            display: none;
            animation: slideDown 0.4s ease;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
            z-index: 2000;
        }

        @keyframes slideDown {
            from { transform: translateY(-100%); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }

        .install-banner-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            min-height: 60px;
        }

        .install-banner-text {
            display: flex;
            align-items: center;
            gap: 16px;
            flex: 1;
        }

        .install-banner-icon {
            font-size: 24px;
        }

        .install-banner-info {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .install-banner-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0;
        }

        .install-banner-subtitle {
            font-size: 14px;
            color: #bbb;
            margin: 0;
            font-weight: 400;
        }

        .install-banner-buttons {
            display: flex;
            gap: 12px;
            align-items: center;
            flex-shrink: 0;
        }

        .install-banner-btn {
            padding: 10px 20px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            font-size: 14px;
            transition: all 0.2s ease;
            font-family: inherit;
            white-space: nowrap;
        }

        .install-banner-btn.primary {
            background: #4285f4;
            color: white;
            box-shadow: 0 2px 8px rgba(66, 133, 244, 0.3);
        }

        .install-banner-btn.primary:hover {
            background: #3367d6;
            transform: translateY(-1px);
        }

        .install-banner-btn.secondary {
            background: transparent;
            color: #ccc;
            border: 1px solid #555;
        }

        .install-banner-btn.secondary:hover {
            background: #333;
            color: #fff;
        }

        /* Mobile responsive */
        @media (max-width: 768px) {
            .install-banner {
                padding: 12px 0;
            }
            
            .install-banner-content {
                flex-direction: column;
                gap: 16px;
                padding: 0 20px;
                min-height: auto;
            }
            
            .install-banner-text {
                text-align: center;
                justify-content: center;
            }
            
            .install-banner-info {
                text-align: center;
            }
            
            .install-banner-buttons {
                justify-content: center;
                width: 100%;
            }
            
            .install-banner-btn {
                flex: 1;
                max-width: 120px;
                font-size: 13px;
                padding: 8px 16px;
            }
        }









             .redirect-message {
            text-align: center;
            max-width: 500px;
            padding: 40px;
            background: #1a1a1a;
            border-radius: 16px;
            border: 1px solid #333;
        }

        .redirect-icon {
            font-size: 48px;
            margin-bottom: 20px;
        }

        .redirect-title {
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 16px;
            color: #4285f4;
        }

        .redirect-description {
            font-size: 16px;
            color: #ccc;
            margin-bottom: 24px;
            line-height: 1.5;
        }

        .manual-open-btn {
            background: #4285f4;
            color: white;
            border: none;
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 600;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            margin: 8px;
        }

        .manual-open-btn:hover {
            background: #3367d6;
            transform: translateY(-2px);
        }

        .loading-spinner {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255,255,255,.3);
            border-radius: 50%;
            border-top-color: #4285f4;
            animation: spin 1s ease-in-out infinite;
            margin-right: 10px;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        .hidden {
            display: none;
        }