body {
    margin: 0;
    overflow: hidden;
    font-family: Arial, sans-serif;
    margin: 0;
    background: radial-gradient(circle at center, #0f172a, #020617);
    cursor: none;
  }
  
  canvas {
    display: block;
  }
  
  #menu {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0,0,0,0.85);
    padding: 30px;
    color: white;
    text-align: center;
    border-radius: 10px;
  }
  
  button {
    padding: 10px 20px;
    margin: 10px;
    font-size: 16px;
    cursor: pointer;
  }
  
  .hidden {
    display: none;
  }