/* ===== CSS Variables ===== */
:root {
  --bg: #f4efe6;
  --panel: #fffaf1;
  --ink: #211915;
  --muted: #7a6a5f;
  --line: #d9c7ad;
  --red: #c7372f;
  --black: #222;
  --gold: #b78943;
  --green: #1f9d55;
  --card-shadow: 0 10px 28px rgba(86, 55, 20, .08);
  --transition: .25s cubic-bezier(.4,0,.2,1);
}

/* ===== Dark Mode ===== */
[data-theme="dark"] {
  --bg: #101923;
  --panel: #192434;
  --ink: #f2eadc;
  --muted: #c4b8a5;
  --line: #40536a;
  --red: #f06b5f;
  --black: #e5e7eb;
  --gold: #d7a653;
  --green: #55d58a;
  --card-shadow: 0 10px 28px rgba(0,0,0,.3);
}

/* ===== Reset & Base ===== */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #fff8e8 0, #f4efe6 45%, #eadbc2 100%);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  transition: background var(--transition), color var(--transition);
}

[data-theme="dark"] body {
  background: radial-gradient(circle at top, #213047 0, #101923 48%, #0a1018 100%);
}

/* ===== Topbar ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 22px;
  background: rgba(255, 250, 241, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: background var(--transition);
}

[data-theme="dark"] .topbar {
  background: rgba(15, 23, 34, .9);
}

.brand {
  font-weight: 900;
  color: var(--ink);
  text-decoration: none;
  font-size: 20px;
}

.brand span {
  font-size: 12px;
  color: var(--gold);
}

nav {
  display: flex;
  gap: 14px;
  align-items: center;
}

nav a,
a {
  color: #8a3f16;
  text-decoration: none;
  transition: color var(--transition);
}

[data-theme="dark"] nav a,
[data-theme="dark"] a {
  color: #e4b86f;
}

/* ===== Theme Toggle ===== */
.theme-toggle {
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 16px;
  color: var(--ink);
  transition: all var(--transition);
}

.theme-toggle:hover {
  background: var(--line);
}

/* ===== Page ===== */
.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 22px;
}

/* ===== Hero ===== */
.hero {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: stretch;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.15;
  margin: 4px 0 6px;
}

.eyebrow {
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--gold);
  font-weight: 800;
  text-transform: uppercase;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

/* ===== Stats Boxes ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  min-width: 310px;
}

.stats div,
.panel,
.bot-card,
.player {
  background: rgba(255, 250, 241, .94);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--card-shadow);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

[data-theme="dark"] .stats div,
[data-theme="dark"] .panel,
[data-theme="dark"] .bot-card,
[data-theme="dark"] .player {
  background: rgba(25, 36, 52, .96);
}

[data-theme="dark"] .panel {
  box-shadow: 0 18px 44px rgba(0, 0, 0, .42), inset 0 1px 0 rgba(242, 234, 220, .07);
}

[data-theme="dark"] .bot-card,
[data-theme="dark"] .stats div,
[data-theme="dark"] .player {
  box-shadow: 0 16px 38px rgba(0, 0, 0, .4), inset 0 1px 0 rgba(242, 234, 220, .06);
}

.stats div {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 14px 16px;
}

.stats b {
  font-size: 30px;
}

/* ===== Panel ===== */
.panel {
  padding: 14px;
}

.me-panel,
.controls,
.match-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.controls input,
.controls select,
.settings-card input,
.settings-card textarea,
.settings-card select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fffdf7;
  border-radius: 12px;
  padding: 11px 12px;
  color: var(--ink);
  font: inherit;
  transition: border-color var(--transition), background var(--transition);
}

[data-theme="dark"] .controls input,
[data-theme="dark"] .controls select,
[data-theme="dark"] .settings-card input,
[data-theme="dark"] .settings-card textarea,
[data-theme="dark"] .settings-card select {
  background: #121c29;
  border-color: var(--line);
}

[data-theme="dark"] .controls input::placeholder,
[data-theme="dark"] .settings-card input::placeholder,
[data-theme="dark"] .settings-card textarea::placeholder {
  color: #b2a48f;
}

.controls input {
  max-width: 300px;
}

.controls {
  flex-wrap: wrap;
  padding: 12px;
}

.check {
  white-space: nowrap;
}

.game-filter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 253, 247, .65);
}

.game-filter button {
  padding: 7px 12px;
  border-radius: 10px;
  background: transparent;
}

.game-filter button.active {
  background: var(--gold);
  border-color: var(--gold);
  color: #fff;
  box-shadow: 0 4px 12px rgba(183, 137, 67, .22);
}

[data-theme="dark"] .game-filter {
  background: rgba(29, 43, 63, .72);
}

.game-notice {
  margin: -6px 0 14px;
  padding: 10px 14px;
  border: 1px dashed rgba(183, 137, 67, .7);
  border-radius: 14px;
  color: var(--muted);
  background: rgba(255, 250, 241, .7);
  font-size: 13px;
}

[data-theme="dark"] .game-notice {
  background: rgba(25, 36, 52, .72);
  border-color: rgba(215, 166, 83, .55);
}

.hidden { display: none !important; }

/* ===== Buttons ===== */
button,
.button {
  border: 1px solid var(--line);
  background: #fffdf7;
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
  font: inherit;
  color: var(--ink);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

button:hover,
.button:hover {
  background: #f5ece0;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(86, 55, 20, .12);
}

[data-theme="dark"] button,
[data-theme="dark"] .button {
  background: #1d2b3f;
  border-color: var(--line);
}

[data-theme="dark"] button:hover,
[data-theme="dark"] .button:hover {
  background: #263a56;
}

button.primary,
.button.primary {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
}

button.primary:hover,
.button.primary:hover {
  background: #a07838;
}

button.danger {
  border-color: var(--red);
  color: var(--red);
}

button.danger:hover {
  background: var(--red);
  color: #fff;
}

button.ghost {
  background: transparent;
}

button:disabled {
  opacity: .62;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  background: rgba(122, 106, 95, .1);
  color: var(--muted);
}

[data-theme="dark"] button:disabled {
  background: rgba(148, 163, 184, .12);
  color: #c4b8a5;
  border-color: rgba(229, 196, 140, .16);
}

/* ===== Grid Layout ===== */
.grid-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 18px;
}

@media (max-width: 860px) {
  .grid-layout {
    grid-template-columns: 1fr;
  }
}

/* ===== Bot Grid ===== */
.bot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}

/* ===== Bot Pager ===== */
.bot-pager {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 4px;
}

.bot-pager span {
  color: var(--muted);
  font-size: 13px;
  padding: 0 4px;
}

.bot-pager button {
  min-width: 38px;
  padding: 7px 11px;
  font-size: 13px;
}

.bot-pager button.active {
  background: var(--gold);
  border-color: var(--gold);
  color: #fff;
}

/* ===== Bot Card ===== */
.bot-card {
  display: flex;
  gap: 12px;
  padding: 13px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.bot-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(183, 137, 67, .06), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.bot-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(86, 55, 20, .15);
  border-color: var(--gold);
}

.bot-card:hover::before {
  opacity: 1;
}

.bot-card.selected {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px var(--gold), 0 10px 28px rgba(183, 137, 67, .15);
}

.bot-card.is-me {
  border-color: var(--green);
}

/* ===== Avatar ===== */
.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), #d4a56a);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 20px;
  flex-shrink: 0;
  transition: transform var(--transition);
  overflow: hidden;
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.bot-card:hover .avatar {
  transform: scale(1.08);
}

.avatar.big {
  width: 56px;
  height: 56px;
  font-size: 26px;
}

.avatar.dark {
  background: linear-gradient(135deg, #333, #555);
}

/* ===== Bot Card Info ===== */
.bot-main {
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 1;
}

.bot-head {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bot-head h3 {
  margin: 0;
  font-size: 16px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.status {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  background: #eee;
  color: var(--muted);
  transition: all var(--transition);
}

.status.online {
  background: #e6f7ed;
  color: var(--green);
}

[data-theme="dark"] .status {
  background: rgba(64, 83, 106, .72);
  color: #d8cbb7;
}

[data-theme="dark"] .status.online {
  background: rgba(85, 213, 138, .14);
  color: var(--green);
}

.desc {
  margin: 4px 0;
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.record {
  font-size: 13px;
  color: var(--muted);
  margin: 4px 0 0;
}

.actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.actions button,
.actions .button {
  padding: 6px 12px;
  font-size: 13px;
}

/* ===== Side Panel ===== */
.side-panel {
  position: sticky;
  top: 70px;
}

.home-two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.home-side-card {
  min-width: 0;
}

.side-panel h2 {
  font-size: 16px;
  margin: 0 0 8px;
}

.ranking {
  list-style: none;
  padding: 0 4px 0 0;
  margin: 0;
  max-height: 360px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--gold) transparent;
}

.ranking li {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  border-radius: 10px;
  transition: background var(--transition);
}

.ranking li:hover {
  background: rgba(183, 137, 67, .06);
}

.ranking-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 12px;
  flex-shrink: 0;
  overflow: hidden;
}

.ranking-avatar .avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.ranking-avatar-wrap {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
}

.online-dot {
  position: absolute;
  right: -3px;
  bottom: -3px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--panel);
  color: #fff;
  font-size: 0;
  font-weight: 900;
  line-height: 1;
  box-shadow: 0 2px 6px rgba(0,0,0,.18);
}

.online-dot.is-online {
  background: var(--green);
}

.online-dot.is-offline {
  background: #9b9288;
}

.ranking-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.ranking-info b,
.ranking-info small,
.ranking-info b span {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ranking-info b {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px;
  font-size: 13px;
}

.ranking-info b strong {
  flex-shrink: 0;
  color: var(--gold);
  font-size: 13px;
}

.ranking-info small {
  color: var(--muted);
  font-size: 11px;
}

.match-list a {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 6px;
  border-bottom: 1px solid var(--line);
  border-radius: 9px;
  transition: background var(--transition), color var(--transition);
  overflow: hidden;
}

.match-list a:hover {
  background: rgba(183, 137, 67, .06);
}

.match-title,
.match-meta {
  display: flex;
  align-items: center;
  gap: 5px;
  min-width: 0;
}

.match-title {
  flex: 1;
}

.match-meta {
  flex-shrink: 0;
  color: var(--muted);
  font-size: 11px;
}

.match-title b,
.match-meta .muted {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.match-title em {
  color: var(--gold);
  font-size: 10px;
  font-style: normal;
  font-weight: 800;
  text-transform: uppercase;
}

.result-pill {
  flex-shrink: 0;
  border-radius: 999px;
  padding: 2px 6px;
  font-size: 10px;
  font-weight: 900;
  background: rgba(122,106,95,.12);
  color: var(--muted);
}

.result-pill.live {
  background: rgba(31,157,85,.14);
  color: var(--green);
}

.result-pill.red {
  background: rgba(199,55,47,.12);
  color: var(--red);
}

.result-pill.black {
  background: rgba(34,34,34,.12);
  color: var(--black);
}

.result-pill.draw,
.result-pill.pending {
  background: rgba(183,137,67,.14);
  color: var(--gold);
}

[data-theme="dark"] .match-list a:hover,
[data-theme="dark"] .ranking li:hover {
  background: rgba(215, 166, 83, .09);
}

[data-theme="dark"] .record,
[data-theme="dark"] .desc,
[data-theme="dark"] .bot-id,
[data-theme="dark"] .comment,
[data-theme="dark"] .captured-label {
  color: #c4b8a5;
}

.recent-match-list {
  max-height: 360px;
  overflow-y: auto;
  padding-right: 4px;
}

@media (max-width: 1180px) {
  .home-two-column {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .side-panel {
    position: static;
  }
}

/* ===== Section Title ===== */
.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.section-title h2 {
  margin: 0;
}

#pickedHint {
  font-size: 13px;
  color: var(--gold);
  font-weight: 600;
}

/* ===== Match Page ===== */
.match-shell {
  max-width: 100%;
}

.players {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.player {
  display: flex;
  gap: 14px;
  padding: 16px;
  align-items: center;
  transition: all var(--transition);
}

.player:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(86, 55, 20, .12);
}

.side-name {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  font-weight: 700;
  text-transform: uppercase;
}

.player h2 {
  margin: 0;
  font-size: 18px;
}

.comment {
  font-style: italic;
  color: var(--muted);
  font-size: 13px;
  margin: 4px 0 0;
}

/* ===== Board Layout ===== */
.board-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 16px;
  align-items: start;
}

@media (max-width: 900px) {
  .board-layout {
    grid-template-columns: 1fr;
  }

  .players {
    grid-template-columns: 1fr;
  }
}

.board-panel {
  padding: 16px;
}

.turn-banner {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 12px;
  padding: 10px 14px;
  background: rgba(183, 137, 67, .08);
  border-radius: 10px;
  text-align: center;
  transition: all var(--transition);
}

/* ===== Xiangqi Board ===== */
.xiangqi-board {
  --board-line: #8b6914;
  --board-line-soft: rgba(139, 105, 20, .62);
  --piece-size: clamp(34px, 8.4vw, 50px);
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  max-width: 540px;
  margin: 0 auto 34px;
  padding: clamp(18px, 3.8vw, 30px);
  background: #f5e6c8;
  border-radius: 8px;
  overflow: visible;
  border: 3px solid var(--board-line);
  gap: 0;
  box-shadow: 0 8px 24px rgba(86, 55, 20, .15), inset 0 0 0 1px rgba(255,255,255,.28);
  position: relative;
}

[data-theme="dark"] .xiangqi-board {
  --board-line: #b8893f;
  --board-line-soft: rgba(215, 166, 83, .56);
  background: #1b2a3e;
  border-color: #6f5630;
}

.xq-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border: 0;
  font-size: 10px;
  transition: background var(--transition);
}

/* 象棋是走线交点，不是走格子：线画在交点之间，棋子压在线的交叉点上 */
.xq-cell::before,
.xq-cell::after {
  content: "";
  position: absolute;
  background: var(--board-line-soft);
  pointer-events: none;
  z-index: 0;
}

.xq-cell::before {
  height: 1.5px;
  left: -50%;
  right: -50%;
  top: 50%;
  transform: translateY(-50%);
}

.xq-cell::after {
  width: 1.5px;
  top: -50%;
  bottom: -50%;
  left: 50%;
  transform: translateX(-50%);
}

.xq-cell.edge-l::before { left: 50%; }
.xq-cell.edge-r::before { right: 50%; }
.xq-cell.edge-t::after { top: 50%; }
.xq-cell.edge-b::after { bottom: 50%; }

.xq-cell.edge-l.edge-r::before,
.xq-cell.edge-t.edge-b::after { display: none; }

.xq-cell:hover {
  background: rgba(183, 137, 67, .08);
}

/* 楚河汉界：独立空河道。上下两边是交点棋盘，竖线在河道断开。 */
.xq-cell.river-top::after { bottom: 50%; }
.xq-cell.river-bottom::after { top: 50%; }
.river-gap { background: transparent; }

.river-band {
  grid-column: 1 / -1;
  height: clamp(34px, 7vw, 58px);
  position: relative;
  background:
    linear-gradient(90deg, rgba(139,105,20,.06), rgba(255,246,219,.55) 18%, rgba(255,246,219,.55) 82%, rgba(139,105,20,.06));
  box-shadow: inset 0 1px 0 rgba(139,105,20,.28), inset 0 -1px 0 rgba(139,105,20,.28);
}

.river-band::before,
.river-band::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1.5px;
  background: var(--board-line-soft);
}

.river-band::before { left: 0; }
.river-band::after { right: 0; }

.river-text {
  position: absolute;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%);
  font-family: "KaiTi", "STKaiti", "SimSun", serif;
  font-size: clamp(22px, 4.8vw, 38px);
  font-weight: 900;
  color: rgba(103, 55, 21, .74);
  letter-spacing: .34em;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

.river-text-left { left: 16%; }
.river-text-right { right: 12%; }

.hidden { display: none !important; }

[data-theme="dark"] .river-band {
  background: linear-gradient(90deg, rgba(215,166,83,.12), rgba(27,42,62,.9) 18%, rgba(27,42,62,.9) 82%, rgba(215,166,83,.12));
}

[data-theme="dark"] .river-text {
  color: rgba(242, 205, 136, .76);
}

.palace-line {
  position: absolute;
  width: 280%;
  height: 1.5px;
  background: var(--board-line-soft);
  top: 50%;
  left: 50%;
  pointer-events: none;
  z-index: 0;
}

.palace-line.d1 { transform: translate(-50%, -50%) rotate(45deg); }
.palace-line.d2 { transform: translate(-50%, -50%) rotate(-45deg); }

/* ===== Board Position Markers (cannon/pawn dots) ===== */
.board-marker {
  position: absolute;
  pointer-events: none;
  z-index: 1;
}

.board-marker.marker-corner {
  width: 18px;
  height: 18px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.board-marker.marker-corner::before,
.board-marker.marker-corner::after,
.board-marker.marker-diamond::before,
.board-marker.marker-diamond::after {
  content: "";
  position: absolute;
  border-color: rgba(139, 105, 20, .48);
}

.board-marker.marker-corner::before {
  left: -12px;
  top: -12px;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid;
  border-bottom: 1.5px solid;
}

.board-marker.marker-corner::after {
  right: -12px;
  top: -12px;
  width: 7px;
  height: 7px;
  border-left: 1.5px solid;
  border-bottom: 1.5px solid;
}

.board-marker.marker-diamond {
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.board-marker.marker-diamond::before {
  left: -12px;
  top: -12px;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid;
  border-bottom: 1.5px solid;
}

.board-marker.marker-diamond::after {
  right: -12px;
  bottom: -12px;
  width: 7px;
  height: 7px;
  border-left: 1.5px solid;
  border-top: 1.5px solid;
}

/* ===== Coordinate Labels ===== */
.xq-cell[data-coord^="file-"] .coord-file,
.xq-cell[data-coord^="rank-"] .coord-rank {
  position: absolute;
  color: rgba(139, 105, 20, .42);
  pointer-events: none;
  font-weight: 700;
  z-index: 3;
}

.xq-cell[data-coord^="file-"] .coord-file {
  bottom: calc(-1 * clamp(18px, 3.8vw, 30px) + 2px);
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
}

.xq-cell[data-coord^="rank-"] .coord-rank {
  right: calc(-1 * clamp(18px, 3.8vw, 30px) + 3px);
  top: 50%;
  transform: translateY(-50%);
  font-size: 10px;
}

/* ===== Captured Pieces ===== */
.captured-pieces {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 0;
  flex-wrap: wrap;
  min-height: 28px;
  justify-content: center;
}

.captured-pieces.captured-red {
  margin-bottom: 4px;
}

.captured-pieces.captured-black {
  margin-top: 4px;
}

.captured-label {
  font-size: 11px;
  color: var(--muted);
  margin-right: 2px;
}

.captured-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-weight: 900;
  font-size: 12px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, .1);
  border: 1.5px solid;
}

.captured-icon.red {
  background: radial-gradient(circle at 35% 35%, #ffe8d6, #f5d0b0);
  color: var(--red);
  border-color: var(--red);
  box-shadow: 0 1px 3px rgba(199, 55, 47, .15);
}

.captured-icon.black {
  background: radial-gradient(circle at 35% 35%, #d5d5d5, #aaa);
  color: #111;
  border-color: #333;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .15);
}

/* ===== Match Actions ===== */
.match-actions {
  display: flex;
  gap: 8px;
}

/* ===== Pieces ===== */
.piece {
  width: 80%;
  height: 80%;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: clamp(12px, 2.8vw, 22px);
  z-index: 1;
  text-shadow: 0 1px 2px rgba(0, 0, 0, .1);
  transition: transform .15s ease;
  cursor: default;
}

.piece:hover {
  transform: scale(1.1);
}

.piece.red {
  background: radial-gradient(circle at 35% 35%, #ffe8d6, #f5d0b0);
  color: var(--red);
  border: 2px solid var(--red);
  box-shadow: 0 2px 6px rgba(199, 55, 47, .2);
}

.piece.black {
  background: radial-gradient(circle at 35% 35%, #d5d5d5, #aaa);
  color: #111;
  border: 2px solid #333;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .2);
}

.fen-line {
  margin-top: 10px;
  font-size: 12px;
  word-break: break-all;
}

/* ===== Moves Panel ===== */
.moves-panel {
  max-height: calc(100vh - 200px);
  overflow-y: auto;
  position: sticky;
  top: 70px;
}

.moves-panel h2 {
  font-size: 16px;
  margin: 0 0 12px;
}

.moves {
  display: flex; flex-direction: column;
  gap: 8px;
}

.move {
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(183, 137, 67, .04);
  border: 1px solid rgba(183, 137, 67, .08);
  transition: all var(--transition);
}

.move:hover {
  background: rgba(183, 137, 67, .08);
}

.move b {
  font-size: 13px;
}

.move code {
  background: rgba(183, 137, 67, .1);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
}

.move .comment {
  margin: 4px 0 0;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.move-avatar-img,
.move-avatar-txt {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 11px;
  color: #fff;
  flex-shrink: 0;
  object-fit: cover;
}

.move-avatar-txt {
  display: inline-flex;
}

/* ===== Settings ===== */
.settings-layout {
  display: grid;
  gap: 18px;
}

.settings-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
  align-items: stretch;
}

.settings-card {
  max-width: none;
}

.settings-card label {
  display: block;
  margin: 24px 0 8px;
  font-weight: 600;
  font-size: 14px;
}

.settings-card input,
.settings-card textarea,
.settings-card select {
  margin-top: 8px;
}

.settings-card small.muted {
  display: block;
  margin-top: 8px;
  line-height: 1.5;
}

.settings-card h1,
.settings-card h2 {
  margin-bottom: 12px;
}

.bot-profile-card {
  text-align: center;
}

.bot-avatar-preview {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), #d4a56a);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 42px;
  margin: 0 auto 18px;
  overflow: hidden;
  flex-shrink: 0;
  border: 3px solid var(--line);
}

.bot-avatar-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.bot-name-input {
  display: block;
  width: 70%;
  margin: 0 auto 20px;
  text-align: center;
  font-size: 18px;
  font-weight: 700;
  border: 1px solid var(--line);
  background: #fffdf7;
  border-radius: 12px;
  padding: 10px 14px;
  color: var(--ink);
  font-family: inherit;
  transition: border-color var(--transition), background var(--transition);
}

[data-theme="dark"] .bot-name-input {
  background: #121c29;
  border-color: var(--line);
}

.bot-profile-card label {
  text-align: left;
}

@media (max-width: 860px) {
  .settings-main-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Spectator Indicator ===== */
.spectator-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(31, 157, 85, .08);
  border: 1px solid rgba(31, 157, 85, .2);
  border-radius: 10px;
  font-size: 13px;
  color: var(--green);
  margin-bottom: 12px;
  transition: all var(--transition);
}

.spectator-bar .pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.3); }
}

/* ===== Queue Status ===== */
.queue-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(183, 137, 67, .08);
  border: 1px solid rgba(183, 137, 67, .2);
  border-radius: 10px;
  font-size: 13px;
  color: var(--gold);
  margin-bottom: 12px;
}

.queue-count {
  font-weight: 700;
}

/* ===== Loading Spinner ===== */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--line);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin .6s linear infinite;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(244, 239, 230, .8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

[data-theme="dark"] .loading-overlay {
  background: rgba(8, 13, 20, .82);
}

/* ===== Stats Page ===== */
.stats-page {
  max-width: 900px;
  margin: 0 auto;
}

.stats-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.stats-header .avatar {
  width: 72px;
  height: 72px;
  font-size: 32px;
}

.stats-header h1 {
  margin: 0;
  font-size: 28px;
}

.stats-header .muted {
  margin-top: 4px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.stat-card {
  text-align: center;
  padding: 20px 14px;
}

.stat-card b {
  display: block;
  font-size: 32px;
  margin-bottom: 4px;
}

.stat-card span {
  font-size: 13px;
  color: var(--muted);
}

.chart-container {
  margin-bottom: 24px; padding: 20px;
}

.chart-container h2 {
  font-size: 18px;
  margin: 0 0 16px;
}

.chart-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

@media (max-width: 700px) {
  .chart-row {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.chart-canvas {
  width: 100%;
  height: 250px;
}

.recent-matches {
  margin-top: 24px;
}

.recent-matches h2 {
  font-size: 18px;
  margin: 0 0 16px;
}

.match-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  transition: background var(--transition);
  text-decoration: none;
  color: var(--ink);
}

.match-row:hover {
  background: rgba(183, 137, 67, .06);
}

.match-result {
  padding: 3px 10px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  min-width: 48px;
  text-align: center;
}

.match-result.win {
  background: rgba(31, 157, 85, .1);
  color: var(--green);
}

.match-result.loss {
  background: rgba(199, 55, 47, .1);
  color: var(--red);
}

.match-result.draw {
  background: rgba(183, 137, 67, .1);
  color: var(--gold);
}

.match-opponent {
  flex: 1;
  font-size: 14px;
}

.match-date {
  font-size: 12px;
  color: var(--muted);
}

/* ===== Elo History Chart ===== */
.elo-chart-canvas {
  width: 100%;
  height: 200px;
}

/* ===== Win Rate Pie Chart ===== */
.pie-chart-canvas {
  width: 200px;
  height: 200px;
  margin: 0 auto;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}

.stat-card.win { border-left: 3px solid var(--green); }
.stat-card.loss { border-left: 3px solid var(--red); }
.stat-card.draw { border-left: 3px solid var(--gold); }

/* ===== Stats Table ===== */
.stats-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.stats-table th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 2px solid var(--line);
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .05em;
}

.stats-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}

.stats-table tbody tr:hover {
  background: rgba(183, 137, 67, .06);
}

.result-win { color: var(--green); }
.result-loss { color: var(--red); }
.result-draw { color: var(--gold); }

/* ===== Audio Toggle Buttons ===== */
.audio-toggles {
  display: flex;
  gap: 6px;
  align-items: center;
}

.audio-btn {
  border: 1px solid var(--line);
  background: #fffdf7;
  border-radius: 8px;
  padding: 5px 10px;
  cursor: pointer;
  font-size: 12px;
  font-family: inherit;
  color: var(--ink);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 3px;
  white-space: nowrap;
}

.audio-btn:hover {
  background: #f5ece0;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(86, 55, 20, .1);
}

[data-theme="dark"] .audio-btn {
  background: #1d2b3f;
  border-color: var(--line);
}

[data-theme="dark"] .audio-btn:hover {
  background: #263a56;
}

.audio-btn.off {
  opacity: .45;
  text-decoration: line-through;
}

/* ===== Admin Bot Management ===== */
.admin-layout {
  grid-template-columns: minmax(280px, 420px) minmax(280px, 420px);
}

.admin-wide-card {
  grid-column: 1 / -1;
}

.compact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.table-wrap {
  overflow-x: auto;
}

.admin-bot-table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  font-size: 14px;
}

.admin-bot-table th,
.admin-bot-table td {
  text-align: left;
  vertical-align: top;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}

.admin-bot-table th {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .04em;
  border-bottom-width: 2px;
}

.admin-bot-table tbody tr:hover {
  background: rgba(183, 137, 67, .06);
}

.token-code {
  display: block;
  max-width: 430px;
  white-space: normal;
  word-break: break-all;
  font-size: 12px;
  line-height: 1.5;
}

.mini-text {
  font-size: 12px;
}

.admin-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

@media (max-width: 900px) {
  .admin-layout,
  .compact-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Utility ===== */
.hidden {
  display: none !important;
}

.fade-in {
  animation: fadeIn .3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Victory/Defeat Popup Overlay ===== */
.popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: background .35s ease;
}
.popup-overlay.active {
  background: rgba(0, 0, 0, .55);
  pointer-events: auto;
}
.popup-overlay.active .popup-dialog {
  transform: translateY(0) scale(1);
  opacity: 1;
}
.popup-overlay.closing {
  background: rgba(0, 0, 0, 0);
  pointer-events: none;
}
.popup-overlay.closing .popup-dialog {
  transform: translateY(-40px) scale(.92);
  opacity: 0;
}
.popup-dialog {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, .3);
  padding: 32px 28px;
  max-width: 440px;
  width: 92%;
  text-align: center;
  transform: translateY(-40px) scale(.92);
  opacity: 0;
  transition: all .4s cubic-bezier(.175, .885, .32, 1.275);
  position: relative;
  overflow: visible;
}
.popup-icon {
  font-size: 64px;
  margin-bottom: 8px;
  animation: popupBounce .6s ease;
}
@keyframes popupBounce {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}
.popup-title {
  font-size: 28px;
  font-weight: 900;
  margin: 0 0 6px;
}
.popup-reason {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.5;
}
.popup-players {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 20px;
}
.popup-player {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 80px;
}
.popup-player .avatar {
  width: 56px;
  height: 56px;
  font-size: 24px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}
.popup-player .avatar .avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.popup-vs {
  font-size: 20px;
  font-weight: 900;
  color: var(--gold);
}
.popup-winner {
  position: relative;
}
.popup-winner::after {
  content: '👑';
  position: absolute;
  top: -18px;
  right: -12px;
  font-size: 24px;
  animation: crownFloat 2s ease-in-out infinite;
}
@keyframes crownFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.popup-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 4px;
}
.popup-actions button {
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
}
/* Particle / confetti effect */
.popup-particles {
  position: fixed;
  inset: 0;
  z-index: 201;
  pointer-events: none;
}
.particle {
  position: absolute;
  border-radius: 3px;
  animation: particleFall linear forwards;
  opacity: 0;
}
@keyframes particleFall {
  0% { opacity: 1; transform: translateY(0) rotate(0deg); }
  100% { opacity: 0; transform: translateY(105vh) rotate(720deg); }
}

/* ===== Replay Control Bar ===== */
.replay-bar {
  display: none;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 18px;
  margin-top: 14px;
  box-shadow: var(--card-shadow);
  transition: all var(--transition);
}
.replay-bar.visible {
  display: block;
  animation: fadeIn .35s ease;
}
.replay-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.replay-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fffdf7;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  color: var(--ink);
  flex-shrink: 0;
  padding: 0;
}
.replay-btn:hover {
  background: #f5ece0;
  transform: translateY(-1px);
}
[data-theme="dark"] .replay-btn {
  background: #1d2b3f;
}
[data-theme="dark"] .replay-btn:hover {
  background: #263a56;
}
.replay-btn:disabled {
  opacity: .35;
  cursor: not-allowed;
  transform: none;
}
.replay-btn.active {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
}
.replay-info {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  min-width: 80px;
  text-align: center;
}
.replay-speed {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}
.replay-speed select {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px 8px;
  font-size: 12px;
  background: #fffdf7;
  color: var(--ink);
  cursor: pointer;
  font-family: inherit;
}
[data-theme="dark"] .replay-speed select {
  background: #1d2b3f;
}
.replay-kbd-hint {
  font-size: 11px;
  color: var(--muted);
  margin-left: auto;
  white-space: nowrap;
}
.replay-bar .divider {
  width: 1px;
  height: 24px;
  background: var(--line);
  margin: 0 2px;
}
.replay-move-label {
  font-size: 13px;
  color: var(--muted);
  min-width: 60px;
}

/* ===== Export Button ===== */
.export-section {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.export-section button {
  font-size: 13px;
  padding: 8px 14px;
}
.export-dialog {
  position: fixed;
  inset: 0;
  z-index: 250;
  background: rgba(0, 0, 0, .5);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn .2s ease;
}
.export-dialog-inner {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  max-width: 600px;
  width: 94%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 16px 48px rgba(0, 0, 0, .25);
}
.export-dialog-inner h3 {
  margin: 0 0 12px;
  font-size: 18px;
}
.export-dialog-inner pre {
  background: rgba(183, 137, 67, .06);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 400px;
  overflow-y: auto;
  color: var(--ink);
}
.export-dialog-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  justify-content: flex-end;
}
/* Highlight current move in replay mode */
.move.replay-current {
  background: rgba(183, 137, 67, .15);
  border-color: var(--gold);
  box-shadow: 0 0 0 1px var(--gold);
}

/* ===== Mobile ===== */
@media (max-width: 600px) {
  .hero {
    flex-direction: column;
  }

  .hero h1 {
    font-size: 24px;
  }

  .stats {
    min-width: unset;
  }

  .controls {
    flex-wrap: wrap;
  }

  .controls input {
    max-width: 100%;
  }

  .me-panel {
    flex-direction: column;
    text-align: center;
  }

  .bot-grid {
    grid-template-columns: 1fr;
  }

  .xiangqi-board {
    max-width: 100%;
  }

  .board-layout {
    grid-template-columns: 1fr;
  }

  .stats-header {
    flex-direction: column;
    text-align: center;
  }
}

/* Compact recent matches: avatar VS avatar + preview dialog */
.match-list button.match-row {
  width: 100%;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.recent-match-card {
  display: grid !important;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 8px 6px !important;
}
.recent-vs {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.recent-vs em,
.recent-match-main em {
  color: var(--gold);
  font-style: normal;
  font-size: 10px;
  font-weight: 900;
}
.recent-avatar-wrap {
  position: relative;
  display: inline-flex;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  overflow: visible;
}
.recent-avatar-img,
.recent-avatar-fallback {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 13px;
}
.winner-mark {
  position: absolute;
  right: -5px;
  bottom: -4px;
  border-radius: 999px;
  padding: 1px 4px;
  background: var(--red);
  color: #fff;
  border: 2px solid var(--panel);
  font-size: 10px;
  font-weight: 900;
  line-height: 1.1;
}
.recent-match-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.recent-match-main b,
.recent-match-main small {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.recent-match-main small {
  color: var(--muted);
  font-size: 11px;
}
.match-preview-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
}
.match-preview-modal.active { display: flex; }
.match-preview-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.42);
  backdrop-filter: blur(3px);
}
.match-preview-card {
  position: relative;
  z-index: 1;
  width: min(560px, 96vw);
  margin: 0;
}
.match-preview-close {
  position: absolute;
  right: 12px;
  top: 10px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 24px;
  cursor: pointer;
}
.match-preview-players {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  margin: 14px 0;
}
.preview-player {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.preview-player.winner {
  border-color: var(--gold);
  background: rgba(183,137,67,.08);
}
.preview-player .recent-avatar-wrap,
.preview-player .recent-avatar-img,
.preview-player .recent-avatar-fallback {
  width: 48px;
  height: 48px;
  font-size: 20px;
}
.preview-detail-grid {
  display: grid;
  grid-template-columns: 80px minmax(0,1fr);
  gap: 8px 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.preview-detail-grid span { color: var(--muted); }
.preview-detail-grid b { min-width: 0; overflow-wrap: anywhere; }
.preview-action { margin-top: 14px; width: 100%; justify-content: center; }
@media (max-width: 520px) {
  .recent-match-main b { display: none; }
  .recent-match-card { grid-template-columns: auto auto; }
  .recent-match-card .match-meta { justify-self: end; }
  .match-preview-players { grid-template-columns: 1fr; }
}

/* ===== Go 9x9 Board ===== */
.go-board {
  --go-line: #7b5528;
  --go-line-soft: rgba(123, 85, 40, .72);
  --go-stone-size: clamp(26px, 7vw, 44px);
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  max-width: 540px;
  margin: 0 auto 34px;
  padding: clamp(22px, 4.5vw, 36px);
  background:
    radial-gradient(circle at 22% 18%, rgba(255,255,255,.18), transparent 22%),
    linear-gradient(135deg, #e7b75f, #c99542 52%, #dba852);
  border-radius: 10px;
  overflow: visible;
  border: 3px solid #7b5528;
  gap: 0;
  box-shadow: 0 8px 24px rgba(86, 55, 20, .15), inset 0 0 0 1px rgba(255,255,255,.25);
  position: relative;
}

[data-theme="dark"] .go-board {
  --go-line: #c89445;
  --go-line-soft: rgba(230, 185, 103, .62);
  background: linear-gradient(135deg, #8b6334, #63431f 56%, #7c5529);
  border-color: #5b3d20;
}

.go-point {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border: 0;
}

.go-point::before,
.go-point::after {
  content: "";
  position: absolute;
  background: var(--go-line-soft);
  pointer-events: none;
  z-index: 0;
}

.go-point::before {
  height: 1.5px;
  left: -50%;
  right: -50%;
  top: 50%;
  transform: translateY(-50%);
}

.go-point::after {
  width: 1.5px;
  top: -50%;
  bottom: -50%;
  left: 50%;
  transform: translateX(-50%);
}

.go-point.edge-l::before { left: 50%; }
.go-point.edge-r::before { right: 50%; }
.go-point.edge-t::after { top: 50%; }
.go-point.edge-b::after { bottom: 50%; }

.go-point:hover {
  background: rgba(255, 255, 255, .12);
}

.go-star {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--go-line);
  position: absolute;
  z-index: 1;
  box-shadow: 0 0 0 1px rgba(255,255,255,.12);
}

.go-stone {
  width: var(--go-stone-size);
  height: var(--go-stone-size);
  border-radius: 50%;
  position: relative;
  z-index: 3;
  box-shadow: 0 5px 11px rgba(0,0,0,.26);
}

.go-stone.black {
  background: radial-gradient(circle at 32% 28%, #595959, #111 64%, #000);
  border: 1px solid #050505;
}

.go-stone.white {
  background: radial-gradient(circle at 30% 25%, #fff, #f1eee8 64%, #d7d0c5);
  border: 1px solid #b9aea0;
}

.go-coord {
  position: absolute;
  color: rgba(76, 49, 18, .52);
  pointer-events: none;
  font-weight: 800;
  z-index: 4;
  font-size: 10px;
}

.go-file {
  bottom: calc(-1 * clamp(22px, 4.5vw, 36px) + 4px);
  left: 50%;
  transform: translateX(-50%);
}

.go-rank {
  right: calc(-1 * clamp(22px, 4.5vw, 36px) + 5px);
  top: 50%;
  transform: translateY(-50%);
}

.go-capture-count {
  display: inline-flex;
  min-width: 24px;
  height: 24px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(183, 137, 67, .16);
  color: var(--ink);
  font-weight: 800;
}

/* ── 斗地主大厅 ── */
.ddz-lobby{margin-top:0;}
.ddz-room-panel{padding:20px;border-radius:14px;}
.ddz-room-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.ddz-seats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px;}
.ddz-seat{display:flex;align-items:center;gap:10px;padding:14px;border-radius:10px;border:2px dashed var(--border);background:var(--card);}
.ddz-seat.occupied{border-style:solid;border-color:var(--accent-dim,rgba(58,110,165,.3));}
.ddz-seat-avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:#fff;flex-shrink:0;}
.ddz-seat.occupied .ddz-seat-avatar{background:linear-gradient(135deg,hsl(30,60%,50%),hsl(15,55%,40%));}
.ddz-seat-placeholder{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--muted);border:2px dashed var(--border);flex-shrink:0;}
.ddz-seat b{display:block;font-size:14px;}
.ddz-seat small{font-size:12px;color:var(--muted);}
.ddz-room-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.ddz-waiting{font-size:14px;color:var(--muted);}
.ddz-room-nav{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:12px;}
.ddz-nav-btn{background:var(--card);border:1px solid var(--border);border-radius:8px;width:36px;height:36px;font-size:18px;cursor:pointer;color:var(--ink);}
.ddz-nav-btn:disabled{opacity:.4;cursor:default;}
.ddz-room-label{font-size:14px;font-weight:600;color:var(--ink);}
.ddz-room-search{display:flex;gap:8px;margin-bottom:12px;}
.ddz-room-search input{flex:1;padding:8px 12px;border-radius:8px;border:1px solid var(--border);background:var(--card);color:var(--ink);font-size:14px;}
.ddz-room-search input:focus{outline:none;border-color:var(--accent-dim,rgba(58,110,165,.5));}