* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Courier New', monospace;
      background: #000;
      color: #0f0;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
      overflow: hidden;
    }

    .game-container {
      text-align: center;
    }

    .score-board {
      display: flex;
      justify-content: space-around;
      margin-bottom: 10px;
      font-size: 18px;
    }

    #gameCanvas {
      border: 2px solid #0f0;
      background: #000;
    }

    .game-over, .victory {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      background: rgba(0, 0, 0, 0.9);
      padding: 20px;
      border: 2px solid #0f0;
      border-radius: 10px;
      color: #0f0;
      display: none;
    }

    .game-over h2, .victory h2 {
      margin-bottom: 10px;
    }

    button {
      background: #0f0;
      color: #000;
      border: none;
      padding: 10px 20px;
      font-size: 16px;
      cursor: pointer;
      margin-top: 10px;
    }

    button:hover {
      background: #0a0;
    }