/* board.css - Game board, cells, and cell states */

/* Board Grid */
.board {
  display: grid;
  grid-template-columns: repeat(var(--cols, 9), var(--cell-size, 24px));
  gap: 0;
  background: #c0c0c0;
  /* T14: 缩放锚点固定 0 0（JS 以手指/格子中心为锚做缩放平移） */
  transform-origin: 0 0;
  /* T14: 提示合成器，缩放平移期间不触发重排 */
  will-change: transform;
}

/* T14: 缩放过渡 —— pinch 过程中由 JS 移除（避免抖动），捏合结束/双击时启用 */
.board.zoom-animated {
  transition: transform 0.18s ease;
}

/* T14: 棋盘区域手势交由 JS 处理（双指捏合缩放/平移），不被浏览器滚动/页面缩放抢占；
   缩放后棋盘超出容器部分由 JS 平移控制，容器本身不产生原生滚动条 */
.board-container {
  touch-action: none;
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
}

/* Cell - Default (Unrevealed) - raised 3D button */
.cell {
  width: var(--cell-size, 24px);
  height: var(--cell-size, 24px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Arial Black', Arial, sans-serif;
  font-weight: bold;
  font-size: calc(var(--cell-size, 24px) * 0.65);
  cursor: default;
  user-select: none;
  -webkit-user-select: none;
  background: #c0c0c0;
  border-top: 3px solid #ffffff;
  border-left: 3px solid #ffffff;
  border-bottom: 3px solid #808080;
  border-right: 3px solid #808080;
}

/* Cell Pressed */
.cell.pressed {
  border: 1px solid #808080;
  background: #c0c0c0;
}

/* Revealed Cell - sunken flat */
.cell.revealed {
  background: #c0c0c0;
  border: 1px solid #808080;
}

/* Flagged Cell - stays raised */
.cell.flagged {
  background: #c0c0c0;
  border-top: 3px solid #ffffff;
  border-left: 3px solid #ffffff;
  border-bottom: 3px solid #808080;
  border-right: 3px solid #808080;
}

/* Question Mark Cell - 三态标记第二态（?），保持凸起 3D 边框，灰色浅色 '?' */
.cell.question {
  background: #c0c0c0;
  border-top: 3px solid #ffffff;
  border-left: 3px solid #ffffff;
  border-bottom: 3px solid #808080;
  border-right: 3px solid #808080;
  color: #333333;
}

/* Number Colors */
.cell.revealed[data-number="1"] { color: #0000FF; }
.cell.revealed[data-number="2"] { color: #008000; }
.cell.revealed[data-number="3"] { color: #FF0000; }
.cell.revealed[data-number="4"] { color: #000080; }
.cell.revealed[data-number="5"] { color: #800000; }
.cell.revealed[data-number="6"] { color: #008080; }
.cell.revealed[data-number="7"] { color: #000000; }
.cell.revealed[data-number="8"] { color: #808080; }

/* Mine Cell */
.cell.mine {
  background: #c0c0c0;
  border: 1px solid #808080;
}

/* Exploded Mine */
.cell.exploded {
  background: #FF0000;
  border: 1px solid #808080;
}

/* Wrong Flag */
.cell.wrong-flag {
  background: #c0c0c0;
  border: 1px solid #808080;
  position: relative;
}

.cell.wrong-flag::after {
  content: '\00D7';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FF0000;
  font-size: calc(var(--cell-size, 24px) * 0.8);
  font-weight: bold;
}