body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #0d0d0d;
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    color: #cfcfcf;
    overflow: hidden;
  }
  #gameContainer {
    text-align: center;
    position: relative;
  }
  canvas {
    background: #111;
    display: block;
    margin: auto;
    border: 2px solid #6c5ce7;
  }
  #score {
    font-size: 20px;
    margin: 10px 0;
    color: #a29bfe;
  }
  #controls {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 15px;
  }
  .btn {
    width: 70px;
    height: 70px;
    margin: 5px;
    font-size: 30px;
    border: none;
    border-radius: 12px;
    background: #1e1e1e;
    color: #a29bfe;
    box-shadow: 0 0 10px rgba(162,155,254,0.4);
    cursor: pointer;
  }
  .btn:active {
    background: #3c3c3c;
  }
  #homeBtn {
    position: absolute;
    top: 10px; right: 10px;
    background: transparent;
    border: none;
    font-size: 32px;
    color: #a29bfe;
    cursor: pointer;
  }
  @keyframes zoomFade {
    0% { transform: scale(0.5); opacity: 0; }
    60% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
  }
  #gameOverScreen {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(13,13,13,0.8);
    color: #a29bfe;
    font-size: 48px;
    font-weight: bold;
    text-align: center;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
  }