/* style.css */
:root {
    --bg-start: #111;
    --bg-end: #333;
    --snake-color: #0f0;
    --apple-color: #f00;
    --text-color: #fff;
    --accent-color: #ffa500;
  }
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  body {
    background: linear-gradient(135deg, var(--bg-start), var(--bg-end));
    color: var(--text-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
  }
  .container {
    text-align: center;
    padding: 20px;
  }
  h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
  }
  .canvas-wrapper {
    position: relative;
    display: inline-block;
    border: 4px solid var(--accent-color);
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.7);
  }
  #gameCanvas {
    display: block;
    width: 100%;
    height: auto;
    background: transparent;
  }
  .touch-controls {
    display: none;
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    gap: 10px;
    justify-content: center;
    align-items: center;
  }
  .touch-controls button {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.2);
    color: var(--text-color);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
  }
  @media (max-width: 768px) {
    .touch-controls {
      display: flex;
    }
  }
  .info-panel {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
  }
  .instructions {
    color: #ccc;
    font-size: 0.9rem;
  }
  #pauseBtn {
    padding: 0.5rem 1rem;
    font-size: 1rem;
    background: var(--accent-color);
    color: var(--bg-start);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
  }
  #pauseBtn:hover {
    background: #ffb733;
  }