.countdown-banner {
            width: 100vW;
            position: sticky;
            top: 68px;
            background: linear-gradient(135deg, #dc2626, #b91c1c);
            color: white;
            padding: 16px 20px;
            text-align: center;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(220, 38, 38, 0.3);
            border-bottom: 3px solid #991b1b;
            animation: slideDown 0.5s ease-out;
        }

        .countdown-banner .countdown-text {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 8px;
            text-shadow: 0 1px 3px rgba(0,0,0,0.3);
        }

        .countdown-timer {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 10px;
            flex-wrap: wrap;
        }

        .time-unit {
            background: rgba(255,255,255,0.2);
            padding: 8px 12px;
            border-radius: 6px;
            min-width: 60px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.3);
            transition: all 0.3s ease;
        }

        .time-unit:hover {
            background: rgba(255,255,255,0.3);
            transform: translateY(-2px);
        }

        .time-unit .number {
            font-size: 24px;
            font-weight: bold;
            display: block;
            text-shadow: 0 1px 3px rgba(0,0,0,0.5);
        }

        .time-unit .label {
            font-size: 12px;
            opacity: 0.9;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* Close Button */
        .close-btn {
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: white;
            font-size: 24px;
            cursor: pointer;
            opacity: 0.8;
            transition: all 0.3s ease;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .close-btn:hover {
            opacity: 1;
            background: rgba(255,255,255,0.2);
            transform: translateY(-50%) scale(1.1);
        }

        /* Action Button */
        .banner-action {
            background: rgba(255,255,255,0.9);
            color: #dc2626;
            padding: 8px 16px;
            border: none;
            border-radius: 20px;
            font-weight: bold;
            font-size: 14px;
            cursor: pointer;
            margin-top: 10px;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .banner-action:hover {
            background: white;
            transform: translateY(-1px);
            box-shadow: 0 3px 10px rgba(0,0,0,0.2);
        }

        /* Automatische Dringlichkeitsstufen */
        .countdown-banner.warning {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            border-bottom-color: #b45309;
        }

        .countdown-banner.warning .banner-action {
            color: #f59e0b;
        }

        .countdown-banner.info {
            background: linear-gradient(135deg, #3b82f6, #2563eb);
            border-bottom-color: #1d4ed8;
        }

        .countdown-banner.info .banner-action {
            color: #3b82f6;
        }

        /* Pulsing Effect für kritische Phase */
        .countdown-banner.urgent {
            animation: urgentPulse 2s infinite;
        }

        @keyframes urgentPulse {
            0%, 100% {
                box-shadow: 0 4px 20px rgba(220, 38, 38, 0.3);
            }
            50% {
                box-shadow: 0 6px 30px rgba(220, 38, 38, 0.6);
            }
        }

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

        /* Mobile Responsiveness */
        @media (max-width: 768px) {
            .countdown-banner {
                padding: 12px 15px;
                position: relative;
            }
            
            .countdown-banner .countdown-text {
                font-size: 16px;
                margin-bottom: 10px;
                padding-right: 40px;
            }
            
            .countdown-timer {
                gap: 10px;
            }
            
            .time-unit {
                min-width: 45px;
                padding: 6px 8px;
            }
            
            .time-unit .number {
                font-size: 18px;
            }
            
            .time-unit .label {
                font-size: 10px;
            }
            
            .close-btn {
                right: 10px;
            }
        }

        @media (max-width: 480px) {
            .countdown-timer {
                gap: 8px;
            }
            
            .time-unit {
                min-width: 40px;
                padding: 5px 6px;
            }
            
            .time-unit .number {
                font-size: 16px;
            }
        }