html, body {
      margin: 0; padding: 0; width: 100%; height: 100%; overflow: hidden;
      background: #111; font-family: monospace;
    }
    canvas {
      display: block;
      background: #1a1b22;
      cursor: text;
      /* Removed transition from canvas itself; handled in animation */
    }
    #cmdPalette {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%) scale(0.9);
      background: #222;
      color: #fff;
      border: 1px solid #444;
      padding: 1em;
      border-radius: 8px;
      width: 300px;
      display: none;
      box-shadow: 0 0 20px #000;
      z-index: 10;
    }
    #cmdPalette input {
      width: 90%;
      background: #111;
      border: none;
      color: #fff;
      padding: 0.5em;
      outline: none;
      font-family: monospace;
    }