/* Tab swipe indicator */
        .tab-swipe-indicator {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 3rem;
            color: var(--success);
            opacity: 0.8;
            pointer-events: none;
            animation: fadeOut 0.3s forwards;
            z-index: 9999;
        }
        
        @keyframes fadeOut {
            to { opacity: 0; transform: translate(-50%, -50%) scale(1.5); }
        }
        
        @keyframes slideUpBanner {
            from { opacity: 0; transform: translateX(-50%) translateY(30px); }
            to { opacity: 1; transform: translateX(-50%) translateY(0); }
        }
        
        /* Offline indicator */
        .offline-indicator {
            position: fixed;
            top: 70px;
            left: 50%;
            transform: translateX(-50%) translateY(-100%);
            background: #ff9800;
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            z-index: 9998;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
            transition: transform 0.3s;
        }
        
        .offline-indicator.show {
            transform: translateX(-50%) translateY(0);
        }
        
        /* Undo Toast */
        .undo-toast {
            position: fixed;
            bottom: 100px;
            left: 50%;
            transform: translateX(-50%) translateY(100px);
            background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
            color: white;
            padding: 16px 24px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            gap: 20px;
            box-shadow: 0 12px 40px rgba(0,0,0,0.4);
            z-index: 10001;
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s, visibility 0.3s;
            max-width: 500px;
            width: calc(100% - 32px);
            border: 1px solid rgba(255,255,255,0.1);
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
        }
        
        .undo-toast.show {
            transform: translateX(-50%) translateY(0);
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }
        
        .undo-toast .toast-icon {
            width: 40px;
            height: 40px;
            background: rgba(239, 68, 68, 0.2);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        
        .undo-toast .toast-icon svg {
            width: 20px;
            height: 20px;
            stroke: #ef4444;
        }
        
        .undo-toast .toast-content {
            flex: 1;
            min-width: 0;
        }
        
        .undo-toast .toast-title {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 2px;
        }
        
        .undo-toast .toast-message {
            font-size: 0.8rem;
            color: rgba(255,255,255,0.7);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        
        .undo-toast .undo-btn {
            background: #22c55e;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            font-size: 0.9rem;
            transition: all 0.2s;
            white-space: nowrap;
            flex-shrink: 0;
        }
        
        .undo-toast .undo-btn:hover {
            background: #16a34a;
            transform: scale(1.05);
        }
        
        .undo-toast .toast-timer {
            width: 100%;
            height: 4px;
            background: rgba(255,255,255,0.1);
            position: absolute;
            bottom: 0;
            left: 0;
            border-radius: 0 0 16px 16px;
            overflow: hidden;
        }
        
        .undo-toast .toast-timer-bar {
            height: 100%;
            background: linear-gradient(90deg, #22c55e, #16a34a);
            transition: width 0.1s linear;
        }
        
        @media (max-width: 500px) {
            .undo-toast {
                bottom: 80px;
                padding: 14px 16px;
                gap: 12px;
            }
            .undo-toast .toast-icon {
                width: 36px;
                height: 36px;
            }
            .undo-toast .undo-btn {
                padding: 8px 14px;
                font-size: 0.85rem;
            }
        }