body {
      margin: 0;
      overflow: hidden;
      font-family: sans-serif;
      background-color: #000;
      color: white;
    }

    canvas {
      display: block;
      position: absolute;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      z-index: 0;
      cursor: grab;
    }

    #infoBox {
      position: fixed;
      top: 20px;
      right: 20px;
      max-width: 350px;
      z-index: 10;
      font-size: 1.2rem;
      line-height: 1.6;
      opacity: 0;
      transform: translateY(20px);
      pointer-events: none;
      transition: all 0.5s ease-in-out;
    }

    #infoBox.show {
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }

    #planetName {
      font-size: 2rem;
      margin-bottom: 10px;
      color: #ffffff;
    }

    #planetInfo {
      font-size: 1.2rem;
      margin-bottom: 15px;
    }

    #backButton {
      padding: 10px 20px;
      font-size: 1rem;
      background-color: #1f2937;
      color: white;
      border: none;
      border-radius: 5px;
      cursor: pointer;
      transition: background 0.3s;
    }

    #backButton:hover {
      background-color: #374151;
    }