.game-container {
      position: relative;
      width: 100%;
      max-width: 360px;
      aspect-ratio: 3 / 2;
      margin: 0 auto;
      background-color: #ccc;
    }
    .flag {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    .grid {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      grid-template-rows: repeat(6, 1fr);
    }
    .tile {
      background-color: gray;
      opacity: 1;
      border: 1px solid #fff;
      cursor: pointer;
      transition: opacity 0.3s;
    }
    .tile.revealed {
      opacity: 0;
      pointer-events: none;
    }
    .guess-section {
      margin-top: 20px;
    }
    .choices {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-bottom: 10px;
    }
    .choices button {
      padding: 8px 12px;
      min-width: 100px;
      border: none;
      background-color: #007BFF;
      color: white;
      cursor: pointer;
      border-radius: 4px;
    }
    .choices button:hover {
      background-color: #0056b3;
    }
    .scoreboard, #roundInfo {
      margin-top: 10px;
      font-weight: bold;
    }
    #message {
      margin-top: 10px;
      font-weight: bold;
    }
    .restart-btn {
      margin-top: 10px;
      padding: 8px 16px;
      font-size: 14px;
      background-color: #28a745;
      color: white;
      border: none;
      border-radius: 4px;
      cursor: pointer;
    }
    .restart-btn:hover {
      background-color: #1e7e34;
    }
    @media (max-width: 400px) {
      .choices button {
        min-width: 80px;
        font-size: 14px;
      }
    }