body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(to bottom right, #1e3c72, #2a5298);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100vh;
  }
  
  header {
    margin-top: 20px;
    color: white;
  }
  
  .game-container {
    position: relative;
    width: 600px;
    height: 600px;
    background-color: #ffffff15;
    border: 2px solid #ffffff55;
    border-radius: 16px;
    overflow: hidden;
    margin-top: 20px;
  }
  
  .player, .goal, .obstacle {
    position: absolute;
    font-size: 32px;
    transition: transform 0.1s ease;
  }
  
  .player {
    color: #00ffcc;
  }
  
  .goal {
    color: #ffd700;
  }
  
  .obstacle {
    color: #ff4c4c;
    transition: all 0.4s ease-in-out;
  }
  
  .message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 36px;
    color: white;
    display: none;
    z-index: 2;
  }
  
  .score-box {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 8px 16px;
    font-size: 18px;
    border-radius: 8px;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.3);
  }