* {
        box-sizing: border-box;
        font-family: "Press Start 2P", monospace;
      }

      body {
        margin: 0;
        overflow: hidden;
        touch-action: none;
      }

      /* Loading screen */
      #loading {
        position: fixed;
        inset: 0;
        background: black;
        color: white;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        font-family: "Press Start 2P", monospace;
        z-index: 10;
      }

      /* Score HUD */
      #score {
        position: fixed;
        top: 16px;
        left: 16px;
        z-index: 1;

        color: black;
        font-size: 20px;
        letter-spacing: 2px;
        font-family: "Press Start 2P", monospace;

        user-select: none;
        pointer-events: none;
      }
      #startGameScreen {
        position: fixed;
        inset: 0;
        background: black;
        color: white;
        display: none;
        align-items: center;
        justify-content: center;
        z-index: 10;
        text-align: center;
      }

      #playGameDiv {
        display: flex;
        flex-direction: column;
        gap: 20px;
        padding: 20px;
        border: 2px solid white;
      }

      #playGameDiv h1 {
        font-size: 30px;
        margin-bottom: 10px;
      }

      .instructions p {
        font-size: 24px;
        margin-bottom: 10px;
      }

      .instructions ul {
        list-style: none;
        padding: 0;
        font-size: 15px;
        line-height: 2;
      }

      .playBtn {
        margin-top: 10px;
        padding: 12px 24px;
        font-size: 14px;
        background: black;
        color: white;
        border: 2px solid white;
        cursor: pointer;
      }

      .playBtn:hover {
        background: white;
        color: black;
      }

      canvas {
        display: block;
      }