/* Graphite room. Shared controls and supporting pages retain style.css. */
:root, body[data-theme="dark"] {
  color-scheme: dark;
  --bg: #14161b; --bg-deep: #101216; --surface: #1c1f25;
  --surface-raised: #252930; --surface-soft: #20232a; --surface-hover: #30353e;
  --ink: #ece8e0; --muted: #acadb5; --faint: #8c909c;
  --line: #383c45; --line-soft: #2c3038;
  --jade: #aac2ec; --jade-deep: #5373a5; --jade-wash: #273246;
  --gold: #cfb487; --gold-wash: #302c26; --accent: #e0c696;
  --green: var(--jade); --green-dark: var(--jade-deep); --paper: var(--bg); --white: var(--surface);
  --board-top: #535761; --board-bottom: #373c46; --board-edge: #6e727d; --board-rim: #a4a7b0;
  --hole-center: #222630; --hole-edge: #626877; --hole-rim: #737986;
  --board-grid: #9a9eaa; --color-label: #c7c9d0;
  --route: #f1dcc1; --route-underlay: #20232b; --route-label: #20232b; --target-fill: #eee0c3;
  --shadow: 0 24px 70px #00000035, inset 0 1px 0 #ffffff06;
  --rail-width: 64px;
}
html[data-theme="light"], body[data-theme="light"] {
  color-scheme: light;
  --bg: #eae7e1; --bg-deep: #e1ded8; --surface: #f5f2ed;
  --surface-raised: #fcfaf6; --surface-soft: #edeae5; --surface-hover: #e1e2e7;
  --ink: #252a34; --muted: #626671; --faint: #727581;
  --line: #cecbd0; --line-soft: #dedad5;
  --jade: #426394; --jade-deep: #5875a2; --jade-wash: #dfe5ef;
  --gold: #83643b; --gold-wash: #eae1d3; --accent: #8b6937;
  --board-top: #d6d0c5; --board-bottom: #bdb8b0; --board-edge: #9e9a94; --board-rim: #f5f0e4;
  --hole-center: #93949c; --hole-edge: #eae4d9; --hole-rim: #a5a19d;
  --board-grid: #8b8b92; --color-label: #4b4f59;
  --route: #5a4730; --route-underlay: #f4ede1; --route-label: #fffdf8; --target-fill: #f1e8d6;
  --shadow: 0 24px 70px #34302a12, inset 0 1px 0 #fff9;
}
body { background: var(--bg); }
button { border-radius: 7px; }
button.primary, .primary, body[data-theme="light"] .primary {
  color: #20242d; background: #e6dfd2; border-color: #f0e9dd;
  box-shadow: inset 0 1px 0 #fff8, 0 3px 8px #0001;
}
.primary:hover:not(:disabled), body[data-theme="light"] .primary:hover:not(:disabled) { background: #f7f0e3; border-color: #fff3de; }
.sidebar { width: 64px; padding: 18px 6px; background: var(--bg-deep); }
.brand { flex-direction: column; gap: 7px; font-size: 10px; letter-spacing: 2px; }
.brand-mark { width: 36px; height: 36px; border-radius: 10px; border-color: var(--line); background: var(--surface-raised); color: var(--gold); font-size: 27px; box-shadow: inset 0 1px 0 #ffffff15; }
.brand-name { text-align: center; }
.brand small, .nav-label, .side-note, .local-status { display: none; }
.sidebar nav { flex-direction: column; margin-top: 38px; gap: 12px; }
.nav-item { flex-direction: column; justify-content: center; min-height: 56px; padding: 7px 3px; gap: 7px; font-size: 10px; border-radius: 8px; }
.nav-item.active { color: var(--ink); background: var(--surface-raised); border-color: var(--line); box-shadow: none; }
.nav-icon { width: 20px; height: 20px; }
.workspace { margin-left: 64px; padding-bottom: 0; }
.topbar { height: 52px; padding: 0 24px; background: var(--bg); }
.breadcrumb { font-size: 11px; }
.desktop-brand { letter-spacing: 3px; }
.local-pill { color: var(--faint); font-size: 10px; }
.top-actions { gap: 6px; }
.top-actions .icon-btn { width: 32px; min-height: 32px; }
.live-dot { background: var(--gold); box-shadow: none; }
main { max-width: 1800px; padding: 12px 24px 20px; }
body[data-view="play"] .topbar { display: none; }
#view-play > .page-intro { min-height: 40px; margin: 0 0 12px; }
#view-play .page-intro > div { display: flex; align-items: baseline; gap: 14px; }
#view-play .page-intro h1 { margin: 0; font-size: 20px; font-weight: 500; letter-spacing: 2px; }
#view-play .page-intro .eyebrow { display: block; color: var(--faint); font-size: 12px; letter-spacing: 1px; }
#view-play .page-intro p { display: none; }
#new-game { min-height: 34px; padding: 7px 13px; font-size: 12px; }
.opponent-art, #view-play > .bottom-note { display: none; }
.game-layout, body.focus-mode .game-layout {
  display: grid; grid-template-columns: minmax(0, 1fr) 300px; grid-template-rows: minmax(0, 1fr);
  grid-template-areas: "board panel"; gap: 18px; height: calc(100dvh - 84px); min-height: 470px; max-height: none;
}
.board-card.board-stage {
  grid-area: board; display: grid; position: relative; isolation: isolate; overflow: hidden;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-rows: 44px 48px 32px auto minmax(0, 1fr) auto 26px 49px;
  width: 100%; min-width: 0; min-height: 0; height: 100%; max-height: none;
  border: 1px solid var(--line); border-radius: 14px;
  background: radial-gradient(ellipse at 48% 35%, #ffffff08, transparent 65%), var(--surface);
  box-shadow: var(--shadow);
}
.board-stage::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .22; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23888' filter='url(%23n)' opacity='.22' d='M0 0h180v180H0z'/%3E%3C/svg%3E");
}
.board-top { grid-area: 1 / 1 / 2 / -1; height: 44px; padding: 0 18px; border-bottom: 1px solid var(--line-soft); background: #00000009; }
.board-top > div:first-child { gap: 9px; font-size: 12px; }
.board-top .tag { background: none; border: none; color: var(--faint); padding: 0 0 0 3px; font-size: 10px; }
.board-tools { display: flex; align-items: center; gap: 5px; }
.board-tools .icon-btn { width: 30px; min-height: 30px; }
.board-tools .icon-btn svg { width: 16px; height: 16px; }
.board-label-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 32px; padding: 5px 9px; border-color: transparent; background: transparent; color: var(--muted); font-size: 12px; white-space: nowrap; }
.fullscreen-toggle { border-color: var(--line); color: var(--ink); margin-left: 3px; }
.board-label-btn[aria-expanded="true"], .board-label-btn[aria-pressed="true"] { color: var(--gold); background: var(--gold-wash); }
.player-strip, .player-strip.bottom { position: static; grid-area: 2 / 1 / 3 / 2; display: flex; align-items: center; gap: 8px; width: auto; min-height: 0; padding: 6px 18px; pointer-events: auto; }
.player-strip.bottom { grid-area: 2 / 2 / 3 / 3; justify-content: flex-end; }
.player-icon { width: 25px; height: 25px; border: none; border-radius: 50%; font-size: 14px; }
.player-strip b { font-size: 13px; font-weight: 550; }
.player-strip small { display: none; }
.progress-badge, .player-strip.bottom .progress-badge { display: block; margin: 0 0 0 8px; padding: 0; font-size: 11px; color: var(--muted); }
.player-strip.bottom .progress-badge { margin-left: 6px; }
.arrival-meter { display: block; height: 3px; margin-top: 5px; border-radius: 3px; background: var(--line); overflow: hidden; }
.arrival-meter i { display: block; height: 100%; border-radius: inherit; }
.player-strip[data-current="true"] .player-icon { outline: 1px solid currentColor; outline-offset: 3px; }
.record-source { grid-area: 4 / 1 / 5 / -1; max-height: 72px; overflow: auto; margin: 0 18px 4px; padding: 5px 9px; font-size: 11px; }
.board-wrap { grid-area: 5 / 1 / 6 / -1; padding: 3px 12px 5px; min-height: 0; }
#board { width: 100%; height: 100%; max-height: none; overflow: visible; filter: drop-shadow(0 12px 9px #00000035); }
.last-action { grid-area: 6 / 1 / 7 / -1; min-height: 29px; margin: 0 18px; padding: 2px 0; border: 0; border-radius: 0; background: transparent; gap: 10px; }
.last-action > div { display: flex; align-items: center; gap: 12px; }
.last-action b { color: var(--muted); font-size: 11px; font-weight: 500; }
.last-action small { margin: 0; color: var(--faint); font-size: 10px; }
.last-action button { min-height: 26px; padding: 3px 8px; color: var(--muted); border-color: transparent; background: transparent; }
.turn-message { grid-area: 7 / 1 / 8 / -1; min-height: 26px; padding: 0 18px 5px; font-size: 12px; }
.board-bottom { grid-area: 8 / 1 / 9 / -1; min-height: 49px; padding: 7px 14px; background: #00000009; }
.main-controls { gap: 7px; }
.board-bottom button { min-height: 32px; padding: 6px 11px; background: transparent; border-color: transparent; font-size: 12px; color: var(--muted); }
.board-bottom button:hover:not(:disabled) { background: var(--surface-raised); }
.match-panel, body.analysis-open .match-panel { display: flex; flex-direction: column; grid-area: panel; height: 100%; min-height: 0; gap: 12px; overflow-y: auto; }
body.analysis-hidden .match-panel { display: none; }
body.analysis-hidden .game-layout { grid-template-columns: minmax(0, 1fr); grid-template-areas: "board"; }
.analysis-heading { display: flex; align-items: center; justify-content: space-between; color: var(--muted); padding-left: 4px; font-size: 12px; }
.opponent-panel { order: 4; }
.analysis-heading .icon-btn { min-height: 26px; height: 26px; }
.panel { border-color: var(--line-soft); background: var(--surface); box-shadow: none; border-radius: 10px; }
.mini-label, .engine-pill { font-size: 10px; }
.panel-disclosure > .disclosure-heading { min-height: 44px; }
.panel h2 { font-size: 14px; }
.panel-body { padding: 16px; }
.position-head b { color: var(--gold); }
.search-metrics b { color: var(--ink); }
.seat { min-height: 46px; }
.seat-name { font-size: 12px; }
dialog { border-color: var(--line); border-radius: 14px; }
body[data-theme="light"] dialog::backdrop { background: #20232a70; }
#display-notice { position: fixed; z-index: 50; bottom: 18px; left: 50%; transform: translateX(-50%); width: max-content; max-width: calc(100% - 30px); padding: 12px 17px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-raised); color: var(--ink); font-size: 12px; box-shadow: var(--shadow); }
body.focus-mode .sidebar, body.focus-mode .topbar { display: none; }
body.focus-mode .workspace { margin: 0; }
body.focus-mode main { max-width: none; padding: 10px; }
body.focus-mode .game-layout { height: calc(100dvh - 20px); min-height: 330px; }
body.immersive { overflow: hidden; }
body.immersive .sidebar, body.immersive .topbar, body.immersive #view-play > .page-intro { display: none; }
body.immersive .workspace { margin: 0; padding: 0; }
body.immersive main { max-width: none; padding: 0; }
body.immersive .game-layout { height: 100dvh; min-height: 0; gap: 0; }
body.immersive .board-card { border: 0; border-radius: 0; box-shadow: none; }
body.immersive .board-wrap { padding: 0 6px; }
body.immersive .match-panel { padding: 10px; }
@media (max-width: 1099px) {
  .game-layout, body.focus-mode .game-layout, body.analysis-open .game-layout { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto; grid-template-areas: "board" "panel"; height: auto; }
  .board-card.board-stage { height: calc(100dvh - 84px); min-height: 470px; }
  .match-panel { display: grid; grid-template-columns: 1fr 1fr; height: auto; overflow: visible; }
  .analysis-heading { grid-column: 1 / -1; }
  .match-panel > .panel { grid-area: auto; }
  .opponent-panel { display: none; }
  .analysis-panel { grid-row: span 2; }
  body.immersive .game-layout { height: 100dvh; grid-template-rows: minmax(0, 1fr); grid-template-areas: "board"; }
  body.immersive .board-card.board-stage { height: 100%; min-height: 0; }
  body.immersive .match-panel { display: none; }
  body.analysis-open .match-panel { position: fixed; z-index: 20; top: 64px; right: 16px; bottom: 16px; width: min(320px, calc(100vw - 30px)); height: auto; padding: 12px; border: 1px solid var(--line); border-radius: 13px; background: var(--bg); box-shadow: -15px 15px 70px #0008; }
  body.immersive.analysis-open .match-panel, body.focus-mode.analysis-open .match-panel { top: 48px; right: 6px; bottom: 6px; }
  .lab-grid, .rules-grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .sidebar { position: static; width: auto; height: 43px; padding: 0 12px; border: 0; border-bottom: 1px solid var(--line-soft); background: var(--bg-deep); }
  .sidebar .brand { display: none; }
  .sidebar nav { flex-direction: row; justify-content: flex-start; margin: 0; gap: 18px; }
  .nav-item { flex-direction: row; width: auto; min-height: 43px; padding: 0 3px; gap: 6px; border: 0; border-radius: 0; font-size: 11px; }
  .nav-item.active { color: var(--gold); background: transparent; box-shadow: inset 0 -2px var(--gold); }
  .nav-icon { width: 15px; height: 15px; }
  .workspace { margin: 0; padding: 0; }
  .topbar { position: absolute; top: 6px; right: 10px; height: 30px; padding: 0; border: 0; background: transparent; }
  .breadcrumb, .local-pill, #help, #focus-mode { display: none; }
  .top-actions .icon-btn { width: 29px; min-height: 29px; }
  main { padding: 8px 10px 12px; }
  #view-play > .page-intro { min-height: 33px; margin-bottom: 8px; }
  #view-play .page-intro h1 { font-size: 16px; letter-spacing: 1px; }
  #view-play .page-intro .eyebrow { display: none; }
  #new-game { min-height: 30px; padding: 5px 11px; font-size: 11px; }
  .game-layout { height: auto; min-height: 0; }
  .board-card.board-stage { height: max(490px, calc(100dvh - 104px)); border-radius: 10px; grid-template-rows: 40px 40px 32px auto minmax(0, 1fr) auto 24px 45px; }
  .board-top { height: 40px; padding: 0 10px; }
  .board-top > div:first-child { gap: 5px; font-size: 10px; }
  .board-top .tag { display: none; }
  .board-tools { gap: 1px; }
  .board-tools .icon-btn { width: 28px; min-height: 30px; }
  .board-label-btn { min-height: 30px; padding: 5px 7px; font-size: 10px; }
  .board-label-btn svg { width: 14px; height: 14px; }
  .player-strip, .player-strip.bottom { padding: 5px 10px; gap: 6px; }
  .player-icon { width: 21px; height: 21px; font-size: 12px; }
  .player-strip b { font-size: 12px; }
  .progress-badge { font-size: 10px; }
  .board-wrap { padding: 0 3px 3px; }
  .last-action { margin: 0 10px; min-height: 26px; }
  .last-action b { font-size: 10px; }
  .last-action small { display: none; }
  .last-action button { font-size: 10px; }
  .turn-message { min-height: 24px; font-size: 11px; }
  .board-bottom { min-height: 45px; padding: 5px 7px; }
  .board-bottom button { padding: 5px 8px; min-height: 34px; font-size: 11px; }
  .main-controls { gap: 2px; }
  .record-source { margin: 0 10px 3px; }
  #toast { bottom: 18px; }
  .feature-grid, .rules-grid, .lab-config { grid-template-columns: 1fr; }
}
@media (max-width: 380px) {
  .sidebar nav { gap: 12px; }
  .progress-badge, .player-strip.bottom .progress-badge { font-size: 8px; margin-left: 0; }
  .board-top .live-dot, #sound { display: none; }
  .board-bottom button { padding-left: 6px; padding-right: 6px; }
}
@media (max-height: 550px) {
  body.immersive .board-card.board-stage { grid-template-rows: 34px 28px 26px auto minmax(0, 1fr) auto 19px 38px; }
  body.immersive .board-top { height: 34px; }
  body.immersive .player-strip { padding-top: 2px; padding-bottom: 2px; }
  body.immersive .board-bottom { min-height: 38px; padding-top: 2px; padding-bottom: 2px; }
  body.immersive .turn-message { min-height: 19px; padding-bottom: 2px; }
}
.live-assessment { grid-area: 3 / 1 / 4 / -1; display: flex; align-items: center; gap: 12px; margin: 0 18px; border-top: 1px solid var(--line-soft); color: var(--muted); font-size: 11px; }
.assessment-copy { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.assessment-copy > span { color: var(--faint); }
.assessment-copy b { color: var(--ink); font-size: 12px; font-weight: 550; }
.assessment-copy strong { color: var(--gold); font-variant-numeric: tabular-nums; font-size: 12px; font-weight: 500; }
.assessment-meter { position: relative; height: 5px; min-width: 35px; max-width: 200px; flex: 1; border-radius: 4px; background: #caa873; overflow: hidden; }
.assessment-meter span { display: block; height: 100%; width: 50%; background: #709be0; transition: width .3s; }
.assessment-meter i { position: absolute; left: 50%; top: 0; width: 1px; height: 100%; background: #f5f1e8; }
.compact-engine { margin-left: auto; white-space: nowrap; color: var(--faint); font-size: 11px; font-variant-numeric: tabular-nums; }
@media (max-width: 700px) {
  .live-assessment { margin: 0 10px; gap: 8px; }
  .assessment-copy { gap: 6px; }
  .assessment-copy > span { display: none; }
  .compact-engine { font-size: 10px; }
  .match-panel { grid-template-columns: 1fr; }
}

body[data-room="midnight"] {
  --bg: #121b2a; --bg-deep: #0e1622; --surface: #1b293d;
  --surface-raised: #263852; --surface-soft: #223147; --surface-hover: #30445f;
  --line: #394b65; --line-soft: #2c3b52; --ink: #e5eaf4;
  --muted: #a8b7cb; --faint: #92a2bc; --board-top: #566b84; --board-bottom: #384962;
  --board-edge: #7890ab; --board-rim: #b2c4db; --hole-center: #1e2b40; --hole-edge: #7085a2; --hole-rim: #8195b1;
}
body.custom-background .board-card.board-stage {
  background-image: linear-gradient(rgb(15 18 25 / var(--background-dim)), rgb(15 18 25 / var(--background-dim))), var(--room-image);
  background-size: cover; background-position: center;
  --ink: #f5f1e9; --muted: #e2dfdc; --faint: #d0cfce; --line: #ffffff35; --line-soft: #ffffff25;
  --surface: #20252d; --surface-raised: #303740; --surface-hover: #404853;
  color: var(--ink);
}
body.custom-background .board-stage::before { display: none; }
body.custom-background .board-top, body.custom-background .board-bottom { background: #15192085; backdrop-filter: blur(12px); }
body.custom-background .player-strip b, body.custom-background .progress-badge, body.custom-background .last-action, body.custom-background .turn-message { text-shadow: 0 1px 5px #000; }
.piece-skins { margin-bottom: 22px; }
.piece-skin-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 9px; }
.piece-skin-card { position: relative; display: flex; flex-direction: column; align-items: center; gap: 5px; padding: 12px 4px; border: 1px solid var(--line); border-radius: 15px; background: linear-gradient(145deg,#ffffff0d,#ffffff02); }
.piece-skin-card[aria-pressed="true"] { border-color: var(--gold); box-shadow: inset 0 0 0 1px var(--gold); background-color: #caa87312; }
.piece-skin-preview { display: grid; place-items: center; width: 64px; height: 74px; border-radius: 50%; background: radial-gradient(ellipse at center,#dcb5cf25,transparent 70%); }
.piece-skin-preview img { width: 57px; height: 64px; filter: drop-shadow(0 3px 2px #12132625); }
.piece-skin-card b { font-size: 12px; }
.piece-skin-card small { font-size: 10px; color: var(--muted); }
.skin-check { position: absolute; top: 5px; right: 7px; color: var(--gold); visibility: hidden; }
.piece-skin-card[aria-pressed="true"] .skin-check { visibility: visible; }
.skin-classic { width: 40px; height: 40px; border-radius: 50%; background: radial-gradient(circle at 32% 25%,#fff5e8,#f0a9c7 30%,#d88fac 65%,#71596f); box-shadow: 0 4px 3px #12132630,inset 0 -2px 1px #ffffff40; }
@media(max-width:420px) { .piece-skin-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } }
.palette-options { margin: 0 0 20px; padding: 0; border: 0; }
.palette-options legend { margin-bottom: 10px; color: var(--muted); font-size: 12px; }
.palette-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.palette-choice { display: flex; align-items: center; gap: 8px; padding: 10px; font-size: 12px; }
.palette-choice[aria-pressed="true"] { border-color: var(--gold); box-shadow: 0 0 0 1px var(--gold); }
.palette-swatch { width: 19px; height: 19px; flex-shrink: 0; border: 1px solid #ffffff40; border-radius: 50%; }
.palette-swatch.graphite { background: #3b3e47; }
.palette-swatch.midnight { background: #354f74; }
.palette-swatch.sand { background: #d8cdb9; }
.background-preview { display: grid; position: relative; place-items: center; height: 130px; margin-bottom: 12px; border: 1px solid var(--line); border-radius: 9px; background-color: var(--bg); background-size: cover; background-position: center; color: var(--faint); font-size: 12px; overflow: hidden; }
#background-name:not(:empty) { position: absolute; left: 0; right: 0; bottom: 0; padding: 6px 10px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; background: #101218b3; color: #eee; font-size: 11px; }
.background-actions { display: flex; gap: 10px; margin-bottom: 20px; }
dialog .background-dim-label { display: flex; flex-direction: row; justify-content: space-between; margin-bottom: 6px; }
#background-dim { width: 100%; accent-color: var(--gold); }
#appearance-dialog .fine-print { margin: 10px 0; }
.background-status { min-height: 18px; margin-bottom: 0; font-size: 12px; color: var(--gold); line-height: 1.7; }
@media (max-width: 700px) {
  #sound { display: none; }
  .board-tools .icon-btn { width: 26px; }
}

/* A quiet, tactile playing room. Chess and analysis share the same palette. */
body[data-theme="light"] {
  --bg: #eeeae2; --bg-deep: #242a2e; --surface: #faf8f3;
  --surface-raised: #fffdf8; --surface-soft: #f0ece4; --surface-hover: #e8e1d5;
  --ink: #283332; --muted: #686e68; --faint: #7b8078;
  --line: #d7d0c2; --line-soft: #e5dfd3;
  --gold: #91723e; --accent: #947443; --gold-wash: #eee5d2;
  --board-top: #d4c4a4; --board-bottom: #b5a180; --board-edge: #8b795a; --board-rim: #e1d2b3;
  --hole-center: #887b66; --hole-edge: #dccdaf; --hole-rim: #a18e70;
  --board-grid: #766c5d; --color-label: #524a3d;
  --shadow: 0 12px 34px #423b2c0c, inset 0 1px 0 #fff;
}
body[data-theme="light"] { background: radial-gradient(ellipse at 40% 0, #fffdf7 0, transparent 65%), var(--bg); }
body[data-theme="light"] .sidebar { --ink: #f4eedf; --muted: #b1b6ae; --line: #545b58; --surface-raised: #3a423e; --gold: #d5bc8c; --bg-deep: #242a2e; }
body[data-theme="light"] .nav-item.active { color: #f7e9c8; background: #444c43; border-color: #6d735c; }
.sidebar { border-right: 1px solid #ffffff0b; }
.brand-mark { border-radius: 50%; }
#view-play .page-intro h1 { font-family: "Noto Serif SC", "Songti SC", "SimSun", serif; font-size: 23px; font-weight: 700; letter-spacing: 3px; }
#view-play .page-intro .eyebrow { border-left: 1px solid var(--line); padding-left: 14px; font-size: 10px; letter-spacing: 2px; }
button.primary, body[data-theme="light"] .primary { background: #303d38; color: #f5edda; border-color: #4a594a; box-shadow: 0 3px 8px #24352b16, inset 0 1px #ffffff15; }
.primary:hover:not(:disabled), body[data-theme="light"] .primary:hover:not(:disabled) { background: #465748; border-color: #6e8067; }
.board-card.board-stage { border-radius: 18px; }
body:not(.custom-background) .board-card.board-stage { background: radial-gradient(ellipse at 50% 40%, var(--surface-raised) 8%, transparent 67%), var(--surface-soft); }
.board-stage::after { content: ""; position: absolute; inset: 7px; z-index: -1; border: 1px solid var(--line-soft); border-radius: 12px; pointer-events: none; }
.board-top { background: transparent; padding-left: 22px; padding-right: 16px; }
.board-top .live-dot { width: 5px; height: 5px; }
.board-top > div:first-child { letter-spacing: .3px; }
.board-tools .icon-btn { border-radius: 6px; }
.board-bottom { background: transparent; border-top: 1px solid var(--line); margin: 0 16px; padding-left: 0; padding-right: 0; }
.board-bottom button:not(:disabled) { color: var(--ink); }
#save-game { border: 1px solid var(--line); }
.player-strip b { font-size: 13px; font-weight: 650; }
.player-strip small { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; }
.player-icon { width: 32px; height: 32px; flex-shrink: 0; border: 1px solid color-mix(in srgb, var(--player-color) 40%, transparent); box-shadow: inset 0 1px #ffffff50; font-size: 19px; }
.progress-badge, .player-strip.bottom .progress-badge { font-size: 10px; margin-left: auto; white-space: nowrap; }
.arrival-meter { display: flex; gap: 2px; height: 4px; margin-top: 7px; background: none; overflow: visible; }
.arrival-meter i { width: 5px; height: 4px; background: var(--line); border-radius: 1px; }
.arrival-meter i.arrived { background: var(--player-color); box-shadow: inset 0 1px #ffffff40; }
.player-strip[data-current="true"] { border-color: color-mix(in srgb, var(--player-color) 55%, var(--line)); }
.live-assessment { border-top: 0; margin: 0 22px; }
.assessment-copy > span { font-size: 10px; letter-spacing: .5px; }
.assessment-meter { max-width: 120px; height: 4px; }
.compact-engine { max-width: 195px; overflow: hidden; text-overflow: ellipsis; }
.board-wrap { position: relative; }
#board { filter: drop-shadow(0 7px 4px #463a2524) drop-shadow(0 20px 18px #3f34291a); }
.last-action { margin: 0 22px; padding: 7px 0; border-top: 1px solid var(--line-soft); }
.last-action b { color: var(--ink); font-size: 11px; font-weight: 600; }
.last-action small { font-size: 10px; }
.last-action button { color: var(--gold); border: 1px solid var(--line); border-radius: 20px; padding: 3px 10px; }
.turn-message { color: var(--muted); font-size: 11px; }
.match-panel { gap: 10px; scrollbar-width: thin; scrollbar-color: var(--line) transparent; padding-right: 2px; }
.analysis-heading { min-height: 28px; color: var(--ink); font-size: 12px; font-weight: 600; }
.analysis-heading small { margin-left: 8px; color: var(--faint); font-size: 8px; font-weight: 500; letter-spacing: 2px; }
.match-panel .panel { border-radius: 13px; box-shadow: 0 3px 10px #211b1003; flex-shrink: 0; }
.match-panel .panel-body { padding: 14px; }
.match-panel .panel-heading { padding: 0 14px; border-color: var(--line-soft); }
.match-panel .panel-heading h2 { font-size: 13px; font-weight: 650; }
.match-panel .mini-label { background: transparent; border: 0; padding: 0; font-size: 9px; }
.analysis-panel { order: 0; border-top: 2px solid var(--gold); }
.history-panel { order: 1; }
.search-panel { order: 2; }
.position-head { gap: 9px; }
.position-head b { font-family: Georgia, "Songti SC", "SimSun", serif; font-size: 30px; line-height: 1.15; }
.position-head span { font-size: 11px; line-height: 1.65; }
.race-overview { margin: 14px 0 0; }
.insight-caption, .trend-caption { display: flex; align-items: center; justify-content: space-between; font-size: 10px; color: var(--muted); }
.phase-badge { padding: 2px 7px; border: 1px solid var(--line); border-radius: 20px; color: var(--gold); font-size: 9px; }
.race-sides { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.race-side { display: flex; flex-direction: column; gap: 7px; padding: 11px 10px; border: 1px solid var(--line-soft); border-radius: 9px; background: var(--surface-soft); }
.race-label { color: var(--muted); font-size: 10px; }
.race-label::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 5px; background: var(--player-color); border-radius: 50%; }
.race-side > b { color: var(--ink); font-size: 26px; font-weight: 500; line-height: 1; font-variant-numeric: tabular-nums; }
.race-side b small { margin-left: 6px; font-size: 10px; font-weight: 400; color: var(--muted); }
.race-detail { font-size: 9px; color: var(--faint); }
.race-note { margin: 8px 0 0; color: var(--faint); font-size: 10px; line-height: 1.65; }
.trend-caption { margin-top: 14px; }
.trend-caption small { font-size: 9px; color: var(--faint); }
#trend-chart { margin: 0; display: block; max-height: 80px; }
.analysis-detail-disclosure { margin-top: 5px; padding-top: 10px; font-size: 11px; }
.analysis-panel .fine-print { font-size: 10px; }
#compare-levels { min-height: 32px; margin-top: 10px; font-size: 11px; }
#compare-levels:disabled { display: none; }
.history-controls { margin-bottom: 8px; gap: 5px; }
.history-controls button { min-height: 27px; padding: 2px 8px; }
.history-controls span { font-size: 11px; font-variant-numeric: tabular-nums; }
.move-list { position: relative; height: 112px; scrollbar-width: thin; }
.move-row { min-height: 28px; font-size: 11px; }
#export-game { font-size: 10px; margin-top: 8px; padding: 0; min-height: 22px; }
body.custom-background .board-stage::after { border-color: #ffffff20; }
body.custom-background .player-strip { background: #1a202bbb; backdrop-filter: blur(14px); }
@media (min-width: 701px) and (min-height: 551px) {
  .board-card.board-stage { grid-template-rows: 44px 0 32px auto minmax(0, 1fr) auto 26px 49px; }
  .player-strip, .player-strip.bottom { grid-area: 5 / 1 / 6 / 2; align-self: start; z-index: 2; flex-wrap: wrap; width: 177px; margin: 16px 0 0 20px; padding: 12px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface); box-shadow: 0 4px 10px #20180d05; }
  .player-strip.bottom { grid-area: 5 / 2 / 6 / 3; justify-self: end; justify-content: flex-start; margin: 16px 20px 0 0; }
  .player-strip .progress-badge, .player-strip.bottom .progress-badge { flex-basis: 100%; margin: 4px 0 0; display: flex; align-items: center; justify-content: space-between; }
  .arrival-meter { margin-top: 0; }
  .board-wrap { padding-top: 6px; padding-bottom: 10px; }
}
@media (min-width: 1100px) and (max-width: 1240px) {
  .player-strip, .player-strip.bottom { width: 155px; padding: 10px; margin-left: 12px; margin-right: 12px; }
  .player-strip b { font-size: 12px; }
  .arrival-meter { gap: 1px; }
  .arrival-meter i { width: 4px; }
}
@media (max-width: 700px) {
  #view-play .page-intro h1 { font-size: 19px; }
  .board-card.board-stage { grid-template-rows: 40px 54px 32px auto minmax(0, 1fr) auto 24px 45px; }
  .board-top { padding: 0 9px; }
  .board-bottom { margin: 0 9px; }
  .player-strip, .player-strip.bottom { flex-wrap: nowrap; gap: 6px; }
  .player-strip small { display: none; }
  .player-icon { width: 23px; height: 23px; font-size: 15px; }
  .player-strip b { font-size: 11px; }
  .player-strip .progress-badge, .player-strip.bottom .progress-badge { font-size: 9px; margin-left: 0; }
  .arrival-meter { gap: 1px; margin-top: 5px; }
  .arrival-meter i { width: 4px; }
  .live-assessment { margin: 0 10px; }
  .compact-engine { display: none; }
  .assessment-copy strong { font-size: 10px; }
  .assessment-copy b { font-size: 11px; }
  .last-action { margin: 0 12px; padding: 5px 0; }
  .last-action b { font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) { .assessment-meter span { transition: none; } }

/* Keep the next useful action available even with the analysis rail closed. */
.board-bottom #new-game-inline { background: #303d38; color: #f5edda; border-color: #4a594a; padding: 6px 13px; }
.board-bottom #return-live-board { background: var(--jade-wash); color: var(--jade); border-color: var(--line); }
body.game-ended #pause, body.game-ended #hint, body.game-ended #resign,
body.game-review #pause, body.game-review #hint, body.game-review #resign, body.game-review #undo { display: none; }
@media (max-width: 700px) {
  .history-controls button { width: 38px; min-height: 38px; }
  .move-list { height: 152px; }
  .move-row { min-height: 38px; }
  .risk-link { min-height: 36px; padding: 7px 8px; }
}

/* 5.6.1 animal collection: nine compact, visible choices. */
.piece-skin-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.piece-skin-card{padding:8px 4px;gap:3px}.piece-skin-preview svg{display:block;width:64px;height:64px;overflow:visible}.piece-skin-card b{font-size:12px}.piece-skin-card small{font-size:10px}@media(max-width:420px){.piece-skin-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}