body { margin: 0; overflow: hidden; background-color: #0a0a0a; font-family: 'Segoe UI', sans-serif; }
        
        #gui-container { 
            position: absolute; 
            bottom: 20px; 
            right: 20px; 
            z-index: 10;
        }
        
        /* GUI Scroll styling */
        .lil-gui { 
            --width: 320px;
            max-height: 90vh;
            overflow-y: auto;
        }