/* board.css */
#chessBoard {
  border-collapse: collapse;
  margin: 103px auto 2rem auto; /* ⬅️ 往下移动用 margin-top 控制 */
}
  
  #chessBoard td {
    width: 100px;
    height: 100px;
    text-align: center;
    vertical-align: middle;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
    user-select: none;
  }
  
  .cell-dark {
    background-color: #5c6e75; /* 更偏灰蓝色 */
  }
  .cell-light {
    background-color: #d0ccbb; /* 比 #c4c7b5 更明亮 */
  }
  
  
  
  
  
  .cell-hidden {
    color: #888888;
  }
  
  .cell-highlight {
    background-color: #baca44 !important;
  }
  
  .cell-from {
    background-color: #fdd835 !important;
  }
  
  .cell-to {
    background-color: #f44336 !important;
  }
  

  .cell-highlight { background-color: #baca44 !important; }
  .cell-from      { background-color: #fdd835 !important; }
  .cell-to        { background-color: #f44336 !important; }


  .setup-container {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    width: 100%;
    z-index: 10;
    font-family: 'Playfair Display', serif;
    padding: 2rem 0;
    box-sizing: border-box;
  }
  
  .setup-container.white {
    top: 45%;
    transform: translate(-50%, 0);
    background: transparent;
    color: white;
  }
  
  .setup-container.black {
    top: -6%;
    transform: translate(-50%, 0);
    background: transparent;
    color: black;
  }
  
  
  .setup-container h1,
  .setup-container p {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: inherit; /* 自动跟随上层颜色 */
    line-height: 1.6;
  }
  
  .setup-cell {
    width: 100px;
    height: 100px;
    border: 3px solid #ccc;
    background-color: #f0f0f0;
    font-size: 48px;
    color: inherit;
  }

  .setup-container.white .setup-cell {
    background-color: #1e2b39;  /* 或你想要的暗色背景 */
    border: 3px solid white;
    color: white;
  }
  
  
  .setup-container.black .setup-cell {
    background-color: #f0f0f0;
    border: 3px solid #1e2b39;
    color: black;
  }
  
  .piece-pool {
    margin: 3rem 0;
    
  }
  
  .setup-btn {
    margin: 1rem 0.5rem;
    padding: 0.5rem 1.2rem;
    font-size: 1.2rem;
    background: transparent;
    border: 2px solid;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.2s ease;
  }
  
  .setup-container.black .setup-btn {
    color: black;
    border-color: black;
  }
  
  .setup-container.white .setup-btn {
    color: white;
    border-color: white;
  }
  .setup-btn:hover {
    opacity: 0.8;
  }

  .setup-container table {
    margin: 1rem auto 0 auto;
  }
  
  
  .piece-pool span {
    font-size: 50px ;   /* 放大棋子符号 */
    margin: 0 10px;     /* 增加间距 */
  }
  

  .setup-title {
    font-size: 2rem;
    margin: 1rem 0;
    font-weight: bold;
    color: white;
    text-align: center;
  }