/* ============================================
   Conway's Game of Life - Custom Styles
   ============================================ */

/* 滑桿自訂樣式 */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  background: #e5e7eb;
  border-radius: 4px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: #1f2937;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  background: #374151;
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: #1f2937;
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

/* SVG 網格容器 */
#grid {
  display: block;
}