height: 28px;
        background-color: #64b5f6;
      }
      .code-play-preview {
        font-size: 1rem;
        font-weight: bold;
      }
      /* üåô Dark Theme Support */
      body.dark .display-preview {
        background-color: #2a2a2a;
        box-shadow: 0 2px 6px rgba(255, 255, 255, 0.1);
      }

      /*  start for game animation */

      h1 {
        text-align: center;
        margin-bottom: 2rem;
      }
      .nav {
        display: flex;
        justify-content: center;
        