@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #0d0e0d; --panel: rgba(24, 25, 22, .94);
  --line: rgba(205,169,91,.18); --gold: #d7b66c; --gold-bright: #f1d28b;
  --text: #f3f0e7; --muted: #a4a092;
  --board-light: #e3d6b8; --board-dark: #78664b;
  --good: #9bcf9d; --danger: #db8d79;
  font-family: Manrope, system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); overflow-x: hidden; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
textarea { resize: vertical; }
.ambient { position: fixed; width: 340px; height: 340px; border-radius: 50%; filter: blur(100px); opacity: .09; z-index: -1; }
.ambient-one { background: #d6a94e; top: -150px; left: -100px; }
.ambient-two { background: #9a702b; right: -180px; bottom: -100px; }

/* topbar + hamburger */
.topbar { position: relative; height: 76px; border-bottom: 1px solid rgba(255,255,255,.06);
  display: flex; align-items: center; justify-content: space-between; padding: 0 20px; }
.hamburger { background: none; border: 1px solid var(--line); color: var(--gold-bright);
  width: 38px; height: 38px; border-radius: 8px; font-size: 18px; display: flex;
  align-items: center; justify-content: center; }
.hamburger:hover { background: #d7b66c22; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--text); }
.brand-mark { color: var(--gold-bright); font-size: 34px; }
.brand strong { display: block; font-size: 16px; letter-spacing: .19em; }
.brand small { display: block; color: var(--gold); font: 9px 'DM Mono', monospace; }
.top-status { display: flex; align-items: center; gap: 9px; font: 10px 'DM Mono', monospace; color: var(--muted); }
.status-dot, .state-dot { width: 7px; height: 7px; background: var(--good); border-radius: 50%; }
.status-dot.off, .state-dot.off { background: var(--danger); }
.status-dot.busy, .state-dot.busy { background: var(--gold); }

/* nav drawer overlay */
.navdrawer { position: fixed; top: 76px; left: 0; bottom: 0; width: 240px; background: rgba(16,17,14,.97);
  border-right: 1px solid var(--line); padding: 18px 12px; transform: translateX(-100%);
  transition: transform .22s ease; z-index: 50; }
.navdrawer.open { transform: translateX(0); }
.navdrawer-item { display: block; color: var(--muted); text-decoration: none; padding: 11px 12px;
  border-radius: 8px; font-size: 13px; font-weight: 600; }
.navdrawer-item span { color: var(--gold-bright); margin-right: 9px; }
.navdrawer-item:hover { background: #d7b66c18; color: var(--text); }
.drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.42); opacity: 0; pointer-events: none;
  transition: opacity .22s ease; z-index: 49; }
.drawer-overlay.open { opacity: 1; pointer-events: auto; }

.layout { width: min(1240px, 100% - 36px); margin: 28px auto 56px; display: grid;
  grid-template-columns: 1fr 350px; gap: 28px; }
.intro { grid-column: 1 / -1; }
h1 { margin: 0; font-size: clamp(32px, 5vw, 52px); line-height: 1.1; font-weight: 800; }
h1 span { color: var(--gold-bright); }
.intro-tags { display: flex; gap: 8px; margin-top: 14px; }
.intro-tags span { font-size: 10px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 99px; }
.game-shell { background: linear-gradient(145deg, #1a1b17, #121310); border: 1px solid var(--line);
  border-radius: 18px; padding: 20px; }

.tabs { display: flex; gap: 5px; margin-bottom: 20px; border-bottom: 1px solid #ffffff10; padding-bottom: 10px; overflow-x: auto; }
.tab-btn { background: transparent; border: none; color: var(--muted); font-size: 12px; font-weight: 700;
  padding: 8px 12px; border-radius: 6px; white-space: nowrap; }
.tab-btn.active { color: var(--gold-bright); background: #d7b66c22; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* board + clocks */
.board-wrap { position: relative; width: 100%; max-width: 590px; margin: 6px auto 4px; padding: 0 0 19px 19px; }
.board { display: grid; grid-template-columns: repeat(8, 1fr); width: 100%; aspect-ratio: 1; border: 1px solid #d7b66c55; }
.square { position: relative; display: flex; align-items: center; justify-content: center; aspect-ratio: 1;
  border: 0; padding: 0; background: transparent; }
.square.light { background: var(--board-light); }
.square.dark { background: var(--board-dark); }
.square.selected { box-shadow: inset 0 0 0 4px #e8bd58; }
.square.last-move::after { content: ""; position: absolute; inset: 0; background: #f5d87542; }
.square.legal::before { content: ""; position: absolute; width: 22%; height: 22%; border-radius: 50%; background: #1a251b78; }
.square.capture::before { content: ""; position: absolute; inset: 4%; border: 4px solid #2b201b66; border-radius: 50%; }
.piece { position: relative; z-index: 2; font-family: "DejaVu Sans", sans-serif;
  font-size: clamp(24px, 5.4vw, 54px); line-height: 1; }
.piece.white { color: #fffaf0; text-shadow: 0 1px 2px #2b2419; }
.piece.black { color: #292720; text-shadow: 0 1px 0 #f5e8c8aa; }

.rank-labels { position: absolute; left: 2px; top: 0; bottom: 19px; display: flex; flex-direction: column;
  justify-content: space-around; font: 9px 'DM Mono'; color: var(--gold); }
.file-labels { position: absolute; bottom: 0; left: 19px; right: 0; display: grid;
  grid-template-columns: repeat(8,1fr); text-align: center; font: 9px 'DM Mono'; color: var(--gold); }

.game-status { display: flex; align-items: center; gap: 10px; padding: 6px 0; }
.status-icon { color: var(--gold-bright); }
.game-status strong { font-size: 13px; }
.game-status small { color: var(--muted); font-size: 11px; }

.panel-card.game-info.card { padding-bottom: 12px; }
.pgn-box { max-width: 590px; margin: 0 auto 10px; }
.pgn-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.pgn-actions .btn { flex: 1; min-width: 88px; }
.pgn-text { width: 100%; min-height: 66px; max-height: 150px; background: #0f100e; color: var(--text);
  border: 1px solid #ffffff19; border-radius: 8px; padding: 10px; font: 11px 'DM Mono'; margin: 0; }
.pgn-text:focus { outline: 1px solid var(--gold); }

.review-box { max-width: 590px; margin: 0 auto; padding: 14px 17px 17px; }
.review-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 10px; }
.play-side { display: none; }
body.play-tab .play-side { display: block; }

.clock-panel { display: flex; gap: 14px; justify-content: center; margin: 6px 0 8px; }
.clock-container { display: flex; align-items: center; justify-content: center; gap: 10px;
  background: #0f100e; border: 1px solid #ffffff15; border-radius: 8px; padding: 10px; width: 150px; }
.clock-time { font: 24px 'DM Mono', monospace; font-weight: 700; }
.controls { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }

.btn { border-radius: 9px; border: 1px solid transparent; min-height: 40px; display: flex;
  align-items: center; justify-content: center; gap: 7px; font-size: 11px; font-weight: 700; }
.btn-primary { background: linear-gradient(135deg, #efd28b, #c49b4d); color: #1a1710; }
.btn-secondary { background: #ffffff06; color: #ddd6c6; border-color: #ffffff12; }
.btn-outline { background: transparent; border-color: #cba85d55; color: var(--gold-bright); }
.full-width { width: 100%; margin-top: 0; }
.small-note { font-size: 10px; color: var(--muted); margin: 10px 0 0; line-height: 1.4; }

/* side panel */
.side-panel { display: flex; flex-direction: column; gap: 14px; }
.panel-card { background: var(--panel); border: 1px solid #ffffff0e; border-radius: 14px; padding: 17px; }
.panel-title { display: flex; align-items: center; gap: 9px; margin-bottom: 12px; }
.panel-title h2 { font-size: 12px; margin: 0; font-weight: 700; }
input, select { width: 100%; background: #0f100e; color: var(--text); border: 1px solid #ffffff19;
  border-radius: 8px; padding: 11px; font-size: 11px; margin-bottom: 10px; }

.move-history { min-height: 96px; max-height: 280px; overflow-y: auto; }
.move-row { display: grid; grid-template-columns: 30px 1fr 1fr; gap: 5px; padding: 7px 5px;
  border-bottom: 1px solid #ffffff08; font: 11px 'DM Mono'; }
.move-row .move-white, .move-row .move-black { text-align: right; }
.move-row .move-black { color: var(--muted); }

.stats-dashboard { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat-box { background: #ffffff05; padding: 12px; border-radius: 8px; text-align: center; }
.stat-box.good { border-left: 3px solid var(--good); }
.stat-box.bad { border-left: 3px solid var(--danger); }

/* review render */
.review-result { margin-top: 8px; font-size: 12px; }
.review-result.collapsed { margin-top: 0; }
.rv-acc { display: grid; grid-template-columns: 1fr auto 1fr; gap: 8px; align-items: center;
  text-align: center; margin-bottom: 10px; }
.rv-acc b { display: block; font-size: 22px; color: var(--gold-bright); }
.rv-acc small { color: var(--muted); font-size: 10px; }
.rv-graph { width: 100%; height: 70px; border-radius: 8px; border: 1px solid var(--line);
  margin-bottom: 10px; display: block; }
.rv-head { color: var(--muted); font-size: 10px; }
.rv-row { display: grid; grid-template-columns: 1fr 52px 52px; padding: 6px 2px;
  border-bottom: 1px solid #ffffff0c; align-items: center; }
.rv-row span:nth-child(n+2) { text-align: center; }
.rv-badge { display: inline-flex; align-items: center; justify-content: center; min-width: 22px; height: 20px;
  padding: 0 4px; border-radius: 10px; color: #101010; font: 700 11px 'DM Mono', monospace; margin-right: 4px; }
.rv-list { margin: 6px 0 0; max-height: 260px; overflow-y: auto; }
.rv-move { padding: 5px 2px; border-bottom: 1px solid #ffffff0d; line-height: 1.55; }
.rv-move small { color: var(--muted); display: block; margin-top: 1px; }
.rv-progress { color: var(--gold-bright); margin: 0 0 8px; }
.rv-bar { height: 6px; background: #ffffff14; border-radius: 3px; overflow: hidden; }
.rv-bar div { height: 100%; background: var(--gold); transition: width .2s; }
.rv-empty { color: var(--muted); font-size: 11px; padding: 8px 0; }

/* move-board overlay */
.move-board-panel { position: fixed; inset: 0; background: rgba(8,9,7,.92); display: none;
  z-index: 80; padding: 28px 22px; overflow-y: auto; }
.move-board-panel.open { display: flex; flex-direction: column; }
.move-board-panel .mb-close { position: absolute; top: 18px; right: 22px; background: none; border: 1px solid var(--line);
  color: var(--gold-bright); width: 44px; height: 38px; border-radius: 8px; font-size: 20px; }
.move-board-panel h3 { color: var(--gold-bright); margin: 0 0 8px; font-size: 14px; letter-spacing: .04em; }
.move-board-panel .mb-sub { color: var(--muted); font-size: 11px; margin-bottom: 10px; }
.move-board-wrap { position: relative; width: 100%; max-width: 500px; margin: 0 auto; padding: 0 0 16px 16px; flex: 0 0 auto; }
.move-board { display: grid; grid-template-columns: repeat(8, 1fr); width: 100%; aspect-ratio: 1; border: 1px solid #d7b66c55; }
.move-square { position: relative; display: flex; align-items: center; justify-content: center;
  aspect-ratio: 1; border: 0; padding: 0; background: transparent; }
.move-square.light { background: var(--board-light); }
.move-square.dark { background: var(--board-dark); }
.move-square[data-sq]::after { content: attr(data-sq); position: absolute; font: 8px 'DM Mono'; color: var(--gold-bright); opacity: 0; pointer-events: none; }
.move-piece { position: relative; z-index: 2; font-family: "DejaVu Sans", sans-serif;
  font-size: clamp(22px, 5vw, 46px); line-height: 1; }
.move-piece.white { color: #fffaf0; text-shadow: 0 1px 2px #2b2419; }
.move-piece.black { color: #292720; text-shadow: 0 1px 0 #f5e8c8aa; }
.move-board-rel { position: relative; }
.move-square.last-move { box-shadow: inset 0 0 0 3px #f5d87566; }
.review-arrows { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 4;
  pointer-events: none; filter: drop-shadow(0 1px 2px rgba(0,0,0,.35)); }
.move-label { position: absolute; left: 2px; top: 0; bottom: 16px; display: flex; flex-direction: column;
  justify-content: space-around; font: 9px 'DM Mono'; color: var(--gold); }
.move-file { position: absolute; bottom: 0; left: 16px; right: 0; display: grid;
  grid-template-columns: repeat(8,1fr); text-align: center; font: 9px 'DM Mono'; color: var(--gold); }
.move-history-scroll { position: relative; margin: 0 auto 16px; max-width: 500px; padding: 0 0 0 16px; flex: 0 0 auto; }
.move-grid { display: grid; grid-template-columns: 36px 1fr 1fr; gap: 3px; max-height: 150px; overflow-y: auto; }
.move-grid-head { font: 10px 'DM Mono'; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; padding-bottom: 2px; }
.move-cell { background: none; border: 0; border-radius: 5px; color: var(--text);
  font: 11px 'DM Mono'; padding: 5px 7px; text-align: left; }
.move-cell:hover { background: #d7b66c18; }
.move-num { color: var(--gold); text-align: right; padding: 5px 7px; font: 11px 'DM Mono'; }
.move-cell.move-this { background: #d7b66c2e; color: var(--gold-bright); font-weight: 700; }
.move-cell.move-good { color: #9bcf9d; }
.move-cell.move-bad { color: #e0624f; }

/* tua lại / tua tới */
.board-nav { display: flex; align-items: center; justify-content: center; gap: 6px; margin: 8px auto 2px; }
.nav-btn { background: #ffffff06; border: 1px solid #ffffff14; color: var(--gold-bright);
  min-width: 40px; height: 32px; border-radius: 7px; font-size: 12px; }
.nav-btn:hover:not(:disabled) { background: #d7b66c22; }
.nav-btn:disabled { color: #6c675c; border-color: #ffffff0c; cursor: default; }
.nav-counter { font: 11px 'DM Mono', monospace; color: var(--muted); min-width: 58px; text-align: center; }
.mb-nav { display: flex; align-items: center; justify-content: center; gap: 6px; margin: 0 auto 10px; }

/* nhãn đánh giá trên ô cờ + chú giải */
.move-badge { position: absolute; top: 2px; left: 2px; z-index: 3; display: flex; align-items: center;
  justify-content: center; min-width: 18px; height: 18px; padding: 0 3px; border-radius: 99px;
  font: 700 10px 'DM Mono', monospace; color: #12130f; box-shadow: 0 1px 3px #0006; }
.mb-info { width: 100%; max-width: 500px; margin: 0 auto; padding-left: 16px; box-sizing: border-box; font-size: 11px; color: var(--muted); min-height: 16px; line-height: 1.5; }
.mb-legend { display: flex; flex-wrap: wrap; gap: 5px 12px; max-width: 500px; margin: 0 auto 10px;
  padding: 0 0 0 16px; font-size: 10px; color: var(--muted); }
.mb-legend-item { display: inline-flex; align-items: center; gap: 4px; }
.mb-legend-item i { font-style: normal; width: 15px; height: 15px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center; color: #12130f; font: 700 9px 'DM Mono'; }
.move-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; margin-right: 5px; vertical-align: middle; }

/* modal nhập PGN */
.modal { position: fixed; inset: 0; background: rgba(6,7,5,.8); display: none; align-items: center;
  justify-content: center; z-index: 90; padding: 20px; }
.modal.open { display: flex; }
.modal-card { position: relative; width: min(560px, 100%); max-height: 90vh; overflow-y: auto;
  background: linear-gradient(145deg, #1a1b17, #121310); border: 1px solid var(--line);
  border-radius: 16px; padding: 22px; }
.modal-card h3 { margin: 0 0 6px; color: var(--gold-bright); font-size: 15px; }
.modal-close { position: absolute; top: 12px; right: 14px; background: none; border: 1px solid var(--line);
  color: var(--gold-bright); width: 36px; height: 32px; border-radius: 7px; font-size: 16px; }
.modal-actions { display: flex; gap: 8px; margin-top: 10px; }
.modal-actions .btn { flex: 1; }
.pgn-import-text { min-height: 140px; margin-top: 10px; }
.file-input { padding: 8px; font-size: 11px; color: var(--muted); background: #0f100e;
  border: 1px dashed #ffffff20; border-radius: 8px; }

@media (max-width: 850px) {
  .layout { grid-template-columns: 1fr; }
    .navdrawer { width: 220px; }
  .play-side { display: block; }
  body.play-tab .play-side { display: none; }
}

/* ===== Nyra Arena ===== */
.ar-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.ar-top .panel-title { margin: 0; }
.ar-top-btns { display: flex; gap: 6px; }
.ar-chip { background: #ffffff08; border: 1px solid #ffffff14; color: var(--gold-bright); border-radius: 99px;
  font-size: 11px; font-weight: 700; padding: 6px 11px; white-space: nowrap; }
.ar-setup { margin-bottom: 8px; }
.ar-setup.collapsed { display: none; }
.ar-sides { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.ar-side { background: #0f100e; border: 1px solid #ffffff10; border-radius: 10px; padding: 9px; min-width: 0; }
.ar-side h3 { margin: 0 0 6px; font-size: 11px; color: var(--gold-bright); letter-spacing: .04em; }
.ar-setup label { display: block; font-size: 10px; color: var(--muted); margin: 0 0 3px; }
.ar-setup input, .ar-setup select { margin: 0; padding: 7px 8px; font-size: 12px; min-width: 0; }
.ar-setup input[type=checkbox] { width: auto; margin: 0 6px 0 0; accent-color: var(--gold); }
.ar-elo { margin-top: 7px; }
.ar-elo-row { display: grid; grid-template-columns: auto 30px 1fr 30px; align-items: center; gap: 5px; }
.ar-elo-row label { margin: 0; }
.ar-step { min-height: 32px; padding: 0; border-radius: 8px; border: 1px solid #ffffff14; background: #ffffff08; color: var(--gold-bright); font-size: 16px; font-weight: 800; }
.ar-elo-row input { text-align: center; font: 600 13px 'DM Mono', monospace; }
.ar-range { padding: 0 !important; margin-top: 6px !important; border: 0 !important; background: transparent !important; accent-color: var(--gold); height: 22px; }
.ar-setup .dim { opacity: .45; }
.ar-presets { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.ar-preset { background: #ffffff06; border: 1px solid #ffffff12; color: var(--muted); border-radius: 6px; font: 600 10px 'DM Mono', monospace; padding: 4px 6px; }
.ar-preset.on { color: #1a1710; background: var(--gold); border-color: var(--gold); }
.ar-ms-row { margin-top: 7px; }
.ar-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; align-items: end; }
.ar-check { display: flex !important; align-items: center; font-size: 11px !important; color: var(--text) !important; margin: 0 !important; }
.ar-actions { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 6px; margin: 8px 0; }

.ar-stage { max-width: 560px; margin: 0 auto; }
.ar-player { display: flex; align-items: center; gap: 9px; padding: 6px 9px; background: #0f100e; border: 1px solid #ffffff10;
  border-radius: 9px; margin: 4px 0; min-height: 40px; }
.ar-ptag { width: 20px; height: 20px; border-radius: 5px; background: var(--gold); color: #1a1710; font: 800 11px 'DM Mono', monospace;
  display: flex; align-items: center; justify-content: center; flex: none; }
.ar-pmain { flex: 1; min-width: 0; line-height: 1.2; }
.ar-pmain strong { display: block; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ar-pmain small { color: var(--muted); font: 10px 'DM Mono', monospace; }
.ar-pinfo { font: 600 11px 'DM Mono', monospace; color: var(--gold-bright); white-space: nowrap; }
.ar-col { font-size: 20px; color: var(--muted); line-height: 1; }
.ar-dot { width: 8px; height: 8px; border-radius: 50%; background: transparent; flex: none; }
.ar-player.thinking { border-color: var(--gold); box-shadow: 0 0 0 1px #d7b66c44; }
.ar-player.thinking .ar-dot { background: var(--gold); animation: arPulse 1s ease-in-out infinite; }
@keyframes arPulse { 50% { opacity: .25; } }
.ar-main { display: flex; gap: 5px; align-items: stretch; }
.ar-eval { width: 9px; flex: none; background: #1d1c18; border: 1px solid #ffffff14; border-radius: 4px; position: relative; overflow: hidden; }
.ar-eval div { position: absolute; left: 0; right: 0; bottom: 0; height: 50%; background: #f3f0e7; transition: height .35s ease; }
.ar-board { flex: 1; min-width: 0; display: grid; grid-template-columns: repeat(8, 1fr); aspect-ratio: 1;
  border: 1px solid #d7b66c55; container-type: inline-size; }
.ar-board .piece { font-size: clamp(22px, 9vw, 48px); font-size: 10.5cqw; }
.ar-coord { position: absolute; font: 700 9px 'DM Mono', monospace; font-style: normal; pointer-events: none; z-index: 3; opacity: .75; }
.ar-rank { top: 2px; left: 3px; } .ar-file { bottom: 1px; right: 3px; }
.square.light .ar-coord { color: var(--board-dark); } .square.dark .ar-coord { color: var(--board-light); }

.ar-score { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 8px; margin-top: 8px; }
.ar-sc-side small { display: block; color: var(--muted); font-size: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ar-sc-side b { font: 700 26px 'DM Mono', monospace; color: var(--gold-bright); }
.ar-sc-side.right { text-align: right; }
.ar-sc-mid { text-align: center; font-size: 12px; font-weight: 700; }
.ar-sc-mid small { display: block; color: var(--muted); font: 10px 'DM Mono', monospace; font-weight: 400; }
.ar-bar { height: 4px; background: #ffffff10; border-radius: 4px; margin: 5px 0; overflow: hidden; }
.ar-bar div { height: 100%; width: 0; background: var(--gold); transition: width .3s; }
.ar-status { font-size: 11px; color: var(--muted); min-height: 16px; }
.ar-estimate { font-size: 12px; line-height: 1.5; margin-top: 4px; }
.ar-estimate small { color: var(--muted); font-size: 10px; }
.ar-warn { color: #e6c34a !important; }
.ar-moves { display: flex; gap: 10px; overflow-x: auto; white-space: nowrap; font: 11px 'DM Mono', monospace; padding: 7px 0 3px; scrollbar-width: none; }
.ar-moves::-webkit-scrollbar { display: none; }
.ar-mv i { color: var(--muted); font-style: normal; }
.ar-chips { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.ar-chip-res { width: 22px; height: 22px; border-radius: 6px; font: 700 10px 'DM Mono', monospace; display: flex; align-items: center; justify-content: center; color: #101010; }
.ar-chip-res.win { background: var(--good); } .ar-chip-res.loss { background: var(--danger); } .ar-chip-res.draw { background: #8c897d; }
.ar-float { display: none; }

/* chế độ quay video: chỉ còn bàn cờ + tỉ số */
body.ar-video .topbar, body.ar-video .tabs, body.ar-video .side-panel, body.ar-video .ambient,
body.ar-video .ar-top, body.ar-video .ar-setup, body.ar-video .ar-actions, body.ar-video .ar-chips, body.ar-video .navdrawer { display: none !important; }
body.ar-video .layout { display: block; margin: 0 auto; width: 100%; }
body.ar-video .game-shell { border: 0; border-radius: 0; background: #0d0e0d; padding: 8px; min-height: 100vh; }
body.ar-video .ar-stage { max-width: min(560px, 100vw - 16px, 100vh - 230px); }
body.ar-video .ar-float { display: flex; position: fixed; bottom: calc(env(safe-area-inset-bottom, 0px) + 8px); left: 50%; transform: translateX(-50%); gap: 6px; z-index: 50; opacity: .3; }
body.ar-video .ar-float:hover, body.ar-video .ar-float:focus-within { opacity: 1; }
.ar-float button { background: #000a; color: #fff; border: 1px solid #ffffff30; border-radius: 99px; font-size: 11px; padding: 5px 10px; }
.ar-float button:disabled { display: none; }
@media (max-width: 560px) {
  .game-shell { padding: 14px; }
  .ar-sides { grid-template-columns: 1fr 1fr; gap: 6px; }
  .ar-side { padding: 7px; }
  .ar-elo-row { grid-template-columns: 28px 1fr 28px; } .ar-elo-row label { display: none; }
}
.layout > *, .game-shell, .ar-stage, .ar-setup, .ar-side { min-width: 0; }

.opp-select{display:block;max-width:100%;background:transparent;color:inherit;border:1px solid rgba(255,255,255,.18);border-radius:8px;padding:3px 6px;font:inherit;font-weight:700;margin-bottom:2px}
.opp-select option{color:#111}
.game-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.opponent{display:flex;align-items:center;gap:10px;min-width:0}
.opponent .avatar{flex:none;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:800;background:linear-gradient(135deg,#f0d78c,#c9a24d);color:#1a1405}
.opponent small{display:block;opacity:.7;font-size:.72rem}
.turn-chip{flex:none;display:flex;align-items:center;gap:6px;font-size:.85rem;white-space:nowrap}
.opp-select{width:auto;max-width:190px;font-size:.95rem}

/* ===== bánh răng cài đặt ===== */
.top-right { display: flex; align-items: center; gap: 10px; }
.gear-btn { background: none; border: 1px solid var(--line); color: var(--gold-bright); width: 36px; height: 36px;
  border-radius: 8px; font-size: 19px; display: flex; align-items: center; justify-content: center; cursor: pointer; flex: none; }
.gear-btn:hover { background: #d7b66c22; }
.st-group { margin-top: 14px; }
.st-label { font: 700 10px 'DM Mono', monospace; letter-spacing: .12em; text-transform: uppercase; color: var(--gold); margin-bottom: 8px; }
.st-row { display: flex; align-items: center; gap: 8px; margin: 8px 0; font-size: 13px; }
.st-select { justify-content: space-between; }
.st-select select, .pz-filters select, .pz-count select { background: #0f100e; color: var(--text); border: 1px solid #ffffff19;
  border-radius: 8px; padding: 8px 10px; font-size: 13px; max-width: 100%; }
#stReset { margin-top: 12px; }

/* ===== tab Puzzle ===== */
.pz { max-width: 590px; margin: 0 auto; }
.pz-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 10px; }
.pz-stat { background: #0f100e; border: 1px solid #ffffff12; border-radius: 10px; padding: 8px 6px; text-align: center; }
.pz-stat small { display: block; color: var(--muted); font-size: 10px; }
.pz-stat b { font-size: 20px; color: var(--gold-bright); }
.pz-seg { display: flex; gap: 4px; background: #0f100e; border: 1px solid #ffffff12; border-radius: 10px; padding: 3px; margin-bottom: 10px; }
.pz-seg button { flex: 1; background: transparent; border: 0; color: var(--muted); font-size: 12px; font-weight: 700;
  padding: 8px 4px; border-radius: 7px; cursor: pointer; }
.pz-seg button.active { background: #d7b66c26; color: var(--gold-bright); }
.pz-filters { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 8px; }
.pz-filters label, .pz-count { display: flex; flex-direction: column; gap: 4px; font-size: 10px; color: var(--muted); min-width: 0; }
.pz-filters select { width: 100%; }
.pz-info { min-height: 46px; margin-bottom: 4px; }
.pz-head { font: 11px 'DM Mono', monospace; color: var(--gold); }
.pz-prompt { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 700; margin-top: 3px; }
.pz-dot { width: 12px; height: 12px; border-radius: 50%; border: 1px solid #0006; flex: none; }
.pz-dot.w { background: #fffaf0; } .pz-dot.b { background: #292720; border-color: #fff6; }
.pz-themes { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; }
.pz-themes span { font-size: 10px; padding: 3px 8px; border: 1px solid var(--line); border-radius: 99px; color: var(--gold-bright); }
.pz-muted { color: var(--muted); font-size: 12px; }
.pz-status { min-height: 22px; margin: 4px 0 8px; font-size: 13px; font-weight: 700; text-align: center; color: var(--text); }
.pz-status.ok { color: var(--good, #8fd16f); } .pz-status.bad { color: #e8776a; }
.pz-actions { display: flex; flex-wrap: wrap; gap: 6px; align-items: end; }
.pz-actions .btn { flex: 1; min-width: 72px; }
.pz-count { flex: 1; min-width: 90px; }
.pz-board .square.pz-wrong::after { content: ""; position: absolute; inset: 0; background: #e0453a8c; }
.pz-board .square.pz-right::after { content: ""; position: absolute; inset: 0; background: #5fc85a7a; }
.pz-board .square.pz-hint { box-shadow: inset 0 0 0 4px #5b9cf5; }
.pz-badge { position: absolute; top: -2px; right: -2px; z-index: 3; min-width: 18px; padding: 1px 4px; border-radius: 99px;
  background: #2fd1c1; color: #06201d; font: 800 11px 'DM Mono', monospace; text-align: center; box-shadow: 0 1px 4px #0008; }
.pz-promo { position: absolute; inset: 0 0 19px 19px; z-index: 6; background: #0b0c0acc; display: flex; align-items: center; justify-content: center; }
.pz-promo[hidden] { display: none; }
.pz-promo-card { background: #1a1b17; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; text-align: center; font-size: 12px; }
.pz-promo-row { display: flex; gap: 8px; margin-top: 8px; }
.pz-promo-row button { background: #ffffff0a; border: 1px solid #ffffff1a; border-radius: 8px; width: 48px; height: 48px; cursor: pointer; }
.pz-promo-row .piece { font-size: 32px; }
.pz-extra { margin-top: 10px; }
.pz-score { display: flex; align-items: center; justify-content: space-between; gap: 10px; background: #0f100e;
  border: 1px solid #ffffff12; border-radius: 10px; padding: 10px 14px; }
.pz-score div { text-align: center; } .pz-score small { display: block; color: var(--muted); font-size: 10px; }
.pz-score b { font-size: 22px; color: var(--gold-bright); } .pz-score > span { color: var(--muted); font-size: 11px; text-align: center; }
.pz-vs-res { margin-top: 8px; padding: 10px 12px; border-radius: 10px; font-size: 13px; background: #ffffff08; border: 1px solid #ffffff12; }
.pz-vs-res.ok { border-color: #5fc85a66; } .pz-vs-res.bad { border-color: #e0453a66; }
.pz-log { margin-top: 8px; max-height: 150px; overflow-y: auto; background: #0f100e; border: 1px solid #ffffff12;
  border-radius: 10px; padding: 8px 10px; font: 11px/1.7 'DM Mono', monospace; }
.pz-log .ok { color: #8fd16f; } .pz-log .bad { color: #e8776a; }
.st-check { display: flex; align-items: center; justify-content: flex-start; gap: 12px; cursor: pointer; }
.st-check input { width: 20px; height: 20px; flex: none; margin: 0; accent-color: #d7b66c; }
.st-check span { flex: 1; line-height: 1.35; }