            background: rgba(255,0,0,0.7);
            color: white;
            border: none;
            padding: 12px 15px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 18px;
            transition: all 0.3s ease;
            z-index: 1000;
        }

        .exit-btn:hover {
            background: rgba(255,0,0,0.9);
            transform: scale(1.1);
        }

        .slide-thumbnails {
            position: fixed;
            left: 20px;
            top: 50%;
