r;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            box-shadow: 0 5px 15px rgba(74, 108, 247, 0.2);
        }

        .control-btn:hover {
            background: linear-gradient(135deg, rgba(74, 108, 247, 0.5), rgba(59, 89, 214, 0.4));
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(74, 108, 247, 0.4);
        }

        .control-btn:disabled {
    