* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
    overflow: hidden;
    background: black;
  }
  
  canvas {
    display: block;
  }
  
  .controls {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0,0,0,0.5);
    padding: 10px;
    border-radius: 8px;
    z-index: 10;
  }
  
  .controls label {
    display: block;
    margin-bottom: 5px;
    color: white;
  }