s when advanced mode is enabled */
        body.advanced-mode .advanced-mode-only {
            display: block;
            animation: fadeIn 0.3s ease;
        }

        .advanced-panel {
            display: none;
        }
        
        body.advanced-mode .advanced-panel {
            display: block;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Decorative donuts */
 