/* 仅作用于棋局根节点；嵌入墨书院 #root 时勿用 body 选择器，否则样式不生效导致错位 */
@import url("https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@600;700&family=Noto+Serif+TC:wght@600;700&display=swap");

:root {
  --wood: #e8d4b8;
  --line: #4a3728;
  --red: #b71c1c;
  --black: #141414;
  --hi: rgba(255, 200, 80, 0.55);
  /* 棋面用字与实体棋一致：繁体字形；字体优先繁体宋体 */
  --font-piece-face: "Noto Serif TC", "Noto Serif SC", "PingFang TC", "Hiragino Sans TC",
    "Microsoft JhengHei", "Heiti TC", "PMingLiU", "Songti SC", serif;
  /* 界面文案：简体站 */
  --font-piece-sc: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --font-piece-tc: "Noto Serif TC", "Noto Serif SC", "PingFang TC", "Hiragino Sans TC",
    "Microsoft JhengHei", "Heiti TC", "PMingLiU", serif;
  --font: var(--font-piece-sc);
}

/* 外层与五子棋 /qiyuan/wuziqi 一致：深灰底、居中内容区 */
.xiangqi-board-root {
  box-sizing: border-box;
  margin: 0 auto;
  min-height: 0;
  width: 100%;
  max-width: 760px;
  padding: 24px;
  background: #1f232a;
  color: #f4f6f8;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: normal;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* 繁体站：界面与说明用系统繁体优先，棋子用 --font（见下） */
.xiangqi-board-root.xiangqi-hant {
  font-family: "PingFang TC", "Hiragino Sans TC", "Microsoft JhengHei", "Heiti TC", "Noto Sans TC",
    system-ui, sans-serif;
  --font: var(--font-piece-tc);
}

body.xiangqi-standalone .xiangqi-board-root {
  min-height: 100vh;
}

.xiangqi-board-root * {
  box-sizing: border-box;
}

.xiangqi-board-root h1 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: #f4f6f8;
}

.xiangqi-board-root .hint {
  margin: 0 0 16px;
  max-width: 100%;
  line-height: 1.5;
  color: #c8d0da;
  font-size: 0.95rem;
  text-align: center;
}

.xiangqi-board-root .toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}

.xiangqi-board-root .toolbar label {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 0;
  cursor: default;
  font-size: 0.9rem;
  color: #f4f6f8;
}

.xiangqi-board-root button,
.xiangqi-board-root .toolbar select {
  border-radius: 8px;
  border: 1px solid #444;
  background: #2a313a;
  color: #fff;
  padding: 6px 10px;
  font-size: 0.9rem;
  cursor: pointer;
}

.xiangqi-board-root button:hover {
  background: #353d48;
}

.xiangqi-board-root button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.xiangqi-board-root .toolbar select {
  cursor: pointer;
}

.xiangqi-board-root .status {
  font-size: 0.95rem;
  min-height: 1.25rem;
  margin: 8px 0 12px;
  color: #ffd479;
}

.xiangqi-board-root .board-wrap {
  background: var(--wood);
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45), inset 0 0 0 2px #a08060;
  padding: 12px;
  line-height: 0;
}

/* 双人对弈将死终局：整盘不再响应落子（避免 SVG 叠层仍点到棋子） */
.xiangqi-board-root .board-wrap.xiangqi-pvp-locked {
  cursor: not-allowed;
}

.xiangqi-board-root .board-wrap.xiangqi-pvp-locked svg {
  pointer-events: none;
}

/* 固定坐标系与 viewBox 一致，避免被全站样式拉伸导致格线与棋子错位 */
.xiangqi-board-root .board-wrap svg,
.xiangqi-board-root svg#svg {
  display: block;
  width: 396px;
  max-width: 100%;
  height: auto;
  aspect-ratio: 396 / 440;
}

/* 参考实木棋：浅黄木坯 + 厚饼侧壁 + 顶面回纹圈 + 朱红/墨黑刻字（同色木底） */
.xiangqi-board-root svg g.piece-group {
  cursor: pointer;
  user-select: none;
}

.xiangqi-board-root svg g.piece-group:not(.hi):not(.in-check) {
  filter: none;
}

.xiangqi-board-root svg ellipse.piece-cylinder {
  fill: #b8956a;
  stroke: rgba(62, 42, 22, 0.4);
  stroke-width: 0.6px;
}

.xiangqi-board-root svg circle.piece-disc {
  stroke-linejoin: round;
}

/* 顶面：浅色抛光木 + 细木边 */
.xiangqi-board-root svg circle.piece-disc.red,
.xiangqi-board-root svg circle.piece-disc.black {
  fill: url(#xq-piece-wood);
  stroke: rgba(110, 78, 42, 0.55);
  stroke-width: 1.05px;
}

/* 外圈鎏金感边线 + 内圈回纹感细折线（装饰环） */
.xiangqi-board-root svg circle.piece-rim-outer {
  fill: none;
  pointer-events: none;
  stroke: #a67c00;
  stroke-width: 1.05px;
  opacity: 0.88;
}

.xiangqi-board-root svg circle.piece-rim-key {
  fill: none;
  pointer-events: none;
  stroke: #6d4c41;
  stroke-width: 0.55px;
  stroke-dasharray: 1.15 1.05;
  stroke-linecap: square;
  opacity: 0.92;
}

.xiangqi-board-root svg g.piece-group text.piece-char {
  font-family: var(--font-piece-face) !important;
  font-size: 21px !important;
  font-weight: 700 !important;
  dominant-baseline: middle;
  text-anchor: middle;
  paint-order: stroke fill;
  stroke-linejoin: round;
  stroke-width: 0.15px;
}

.xiangqi-board-root svg g.piece-group.red text.piece-char {
  fill: #c62828;
  stroke: rgba(120, 15, 15, 0.18);
  filter: url(#xq-carve-red);
}

.xiangqi-board-root svg g.piece-group.black text.piece-char {
  fill: #141414;
  stroke: rgba(40, 35, 30, 0.2);
  filter: url(#xq-carve-black);
}

/* 选中：略提亮金边 */
.xiangqi-board-root svg g.piece-group.hi .piece-disc {
  filter: none;
  stroke: #c9a227;
  stroke-width: 1.35px;
}

.xiangqi-board-root svg g.piece-group.hi .piece-rim-outer {
  stroke: #c9a227;
  opacity: 0.95;
}

/* 被将军：将/帅静态描边提示（无动画、无额外光圈） */
.xiangqi-board-root svg g.piece-group.in-check:not(.hi) .piece-disc {
  filter: none;
  stroke: #c62828;
  stroke-width: 1.5px;
}

.xiangqi-board-root svg g.piece-group.in-check:not(.hi) .piece-rim-outer {
  stroke: #b71c1c;
  opacity: 0.92;
}

.xiangqi-board-root .lastmove {
  fill: rgba(160, 120, 70, 0.1);
  stroke: rgba(100, 75, 50, 0.28);
  stroke-width: 0.9px;
}

body.xiangqi-standalone {
  margin: 0;
  min-height: 100vh;
  background: #1f232a;
}

@media (max-width: 640px) {
  html,
  body.xiangqi-standalone {
    overflow-x: clip;
    max-width: 100vw;
  }

  .xiangqi-board-root {
    max-width: 100%;
    padding: 10px clamp(6px, 2.5vw, 14px);
  }

  .xiangqi-board-root h1 {
    font-size: clamp(1rem, 5.2vw, 1.35rem);
    text-align: center;
    line-height: 1.25;
    margin: 0.35em 0 0.5em;
    padding: 0 2px;
  }

  .xiangqi-board-root .hint {
    font-size: clamp(0.78rem, 3.2vw, 0.9rem);
    line-height: 1.45;
    word-break: break-word;
    overflow-wrap: anywhere;
    padding: 0 2px;
    margin-bottom: 0.75rem;
  }

  .xiangqi-board-root .toolbar {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 10px;
  }
}