:root {
  --ink: #1c1c1a;
  --muted: #6b6b66;
  --line: #e2ddd2;
  --board: #f3e3c3;
  --accent: #185fa5;
  --accent-soft: #e6f1fb;
  --warn: #854f0b;
  --warn-soft: #faeeda;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #fbfaf7;
  line-height: 1.6;
}

header {
  padding: 20px 28px 8px;
}
header h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 500;
}
header .sub {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--muted);
}

main {
  display: flex;
  gap: 24px;
  padding: 12px 28px 40px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.board-area {
  width: 452px;
  flex: 0 0 auto;
}

#board {
  width: 452px;
  height: 452px;
  background: var(--board);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  touch-action: manipulation;
}
#board .grid {
  stroke: #4a453a;
  stroke-width: 1;
}
#board .star {
  fill: #4a453a;
}
#board .coord {
  fill: #7a7365;
  font-size: 13px;
}
#board .hit:hover {
  fill: rgba(24, 95, 165, 0.18);
}
#board .last {
  stroke: #a32d2d;
  stroke-width: 2;
  fill: none;
}

.board-footer {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
  padding: 8px 2px 0;
}

.controls {
  display: flex;
  gap: 8px;
  align-items: center;
  padding-top: 10px;
  flex-wrap: wrap;
}

button {
  font: inherit;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
}
button:hover {
  border-color: var(--accent);
  color: var(--accent);
}
label.mode {
  font-size: 13px;
  color: var(--muted);
  display: inline-flex;
  gap: 6px;
  align-items: center;
  margin-left: auto;
}

.panel {
  flex: 1 1 380px;
  min-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.card h2 {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 500;
}
.hint {
  margin: 0 0 10px;
  font-size: 12px;
  color: var(--muted);
}

.status {
  font-size: 13px;
}
.badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.badge {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}
.badge.warn {
  background: var(--warn-soft);
  color: var(--warn);
}

.ranking {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cand {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12px;
}
.cand.won {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.cand .row1 {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
}
.cand .name {
  font-weight: 500;
}
.cand .num {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.cand .bar {
  height: 6px;
  border-radius: 3px;
  background: #ece7dc;
  margin: 6px 0 4px;
  overflow: hidden;
}
.cand .bar > div {
  height: 100%;
  background: var(--accent);
}
.cand .text {
  color: var(--muted);
  line-height: 1.5;
}
.cand .tags {
  margin-top: 4px;
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.tag {
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 4px;
  background: #f1efe8;
  color: #5f5e5a;
}
.tag.hot {
  background: var(--warn-soft);
  color: var(--warn);
}

.movelist {
  margin: 0;
  padding-left: 22px;
  font-size: 12px;
  color: var(--muted);
  max-height: 160px;
  overflow: auto;
}
.movelist li {
  padding: 1px 0;
}

#score {
  font-size: 13px;
}

.topnav {
  margin-top: 6px;
}
.topnav a {
  font-size: 13px;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.topnav a:hover {
  border-bottom-color: var(--accent);
}

.raw {
  margin-top: 10px;
}
.rawblock {
  margin-top: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 8px;
}
.rawblock summary {
  cursor: pointer;
  font-size: 12px;
  color: var(--accent);
}
.rawblock pre {
  max-height: 320px;
  overflow: auto;
  background: #fbfaf7;
  border-radius: 6px;
  padding: 8px;
  font-size: 11px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 6px 0 0;
}

.panel.games {
  flex: 0 0 300px;
  min-width: 260px;
}
.games-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 520px;
  overflow: auto;
}
.game-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  font-size: 12px;
}
.game-item:hover {
  border-color: var(--accent);
}
.game-item.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.game-item .g-title {
  font-size: 13px;
}
.game-item .g-meta {
  color: var(--muted);
}

.pos {
  font-size: 12px;
  color: var(--muted);
  margin-left: auto;
  font-variant-numeric: tabular-nums;
}

.movelist li {
  cursor: pointer;
}
.movelist li.active {
  color: var(--accent);
}