* { margin: 0; padding: 0; box-sizing: border-box; }
  body {
    background: #1a1a2e;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: 'Courier New', monospace;
    color: #eee;
  }
  #game-container {
    display: flex;
    gap: 24px;
    align-items: flex-start;
  }
  canvas {
    border: 2px solid #4a4a8a;
    box-shadow: 0 0 30px rgba(100, 100, 255, 0.3);
    background: #0d0d1a;
  }
  #side-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 120px;
  }
  .panel-box {
    background: #16213e;
    border: 1px solid #4a4a8a;
    border-radius: 4px;
    padding: 12px;
  }
  .panel-label {
    font-size: 11px;
    letter-spacing: 2px;
    color: #888;
    text-transform: uppercase;
    margin-bottom: 8px;
  }
  .panel-value {
    font-size: 22px;
    font-weight: bold;
    color: #c8c8ff;
  }
  #next-canvas {
    border: none;
    box-shadow: none;
    background: transparent;
  }
  #message {
    position: absolute;
    font-size: 28px;
    font-weight: bold;
    color: #fff;
    text-shadow: 0 0 20px rgba(200, 200, 255, 0.8);
    pointer-events: none;
    display: none;
    text-align: center;
  }
  #controls {
    font-size: 11px;
    color: #555;
    line-height: 1.8;
  }
  #controls span { color: #888; }