@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&family=Playfair+Display:ital,wght@0,500;0,600;1,500;1,600&display=swap');
:root{font-family:'Be Vietnam Pro',system-ui,sans-serif;color:#eee9dc;background:#141d1b;--gold:#d9b777;--muted:#899b92;--line:#d8c59a1c;--red:#a6382c;--cream:#f4deac;color-scheme:dark}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:radial-gradient(ellipse at 45% 45%,#29443850,transparent 62%),#141d1b}button,input,select{font:inherit}button,a,select{touch-action:manipulation;-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit;border:1px solid var(--line);background:#ffffff04;border-radius:7px;padding:10px 12px;transition:background .2s,transform .2s}button:hover:not(:disabled){background:#ffffff0b}button:disabled{opacity:.35;cursor:default}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:3px}a{color:inherit;text-decoration:none}.header{height:88px;max-width:1500px;margin:auto;padding:0 42px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:20px}.brand>b{font-size:41px;letter-spacing:-4px;line-height:1}.brand>b>span{font-size:22px;color:var(--gold);vertical-align:top;letter-spacing:0}.brand>span{font-size:9px;letter-spacing:1.8px;font-weight:700;border-left:1px solid #ffffff25;padding-left:18px}.brand small{display:block;color:var(--muted);font-size:6px;margin-top:7px;letter-spacing:1.5px}.header-middle{font-size:8px;letter-spacing:2.5px;color:#a6b6a6}.header-middle i,.live i{display:inline-block;width:5px;height:5px;background:#adc68f;border-radius:50%;margin-right:9px}.quiet{background:transparent;font-size:10px;border-color:var(--line);color:#b9c6b9}.header .quiet{border:0}.header .quiet span{display:inline-grid;place-items:center;border:1px solid #b7bd9840;border-radius:50%;width:21px;height:21px;margin-left:12px;color:var(--gold)}.layout{max-width:1460px;margin:0 auto;display:grid;grid-template-columns:minmax(205px,.85fr) minmax(360px,1.8fr) minmax(230px,.95fr);gap:40px;padding:37px 42px 35px;align-items:start}.eyebrow{font-size:8px;letter-spacing:2.1px;color:var(--gold);font-weight:600}.eyebrow.small{font-size:7px;letter-spacing:1.6px}.intro{padding-top:16px}h1{font-family:'Playfair Display',Georgia,serif;font-size:clamp(48px,4.8vw,73px);line-height:1.12;font-weight:500;letter-spacing:-2px;margin:22px 0 19px}h1 em{color:var(--gold);font-weight:500}h1 em span{font-style:normal;color:#bdd39e}.tagline{font-size:12px;line-height:1.9;color:#9daea1;margin:0}.intro-line{width:32px;height:1px;background:#d9b77788;margin:25px 0}.mode-tabs{display:flex;gap:6px;margin:13px 0 20px}.mode-tabs button{font-size:10px;padding:11px 10px;flex:1;white-space:nowrap}.mode-tabs button[aria-pressed=true]{border-color:#d9b77780;background:#d9b77712;color:#edd29b}label{display:flex;justify-content:space-between;font-size:10px;color:#c6cdbf;margin:15px 0 9px}label>span{font-size:8px;letter-spacing:1.5px;color:var(--gold)}select,input{display:block;background:#1b2923;border:1px solid #b9b78b25;border-radius:7px;color:#eee6d1;padding:12px 11px;width:100%;font-size:11px;min-width:0}select{cursor:pointer}.setting-note{font-size:9px;line-height:1.8;color:var(--muted);margin:10px 0 16px}.gold-button{display:block;width:100%;background:linear-gradient(115deg,#cda562,#e7cc93);border-color:#e3c687;color:#263429;font-size:11px;font-weight:700;padding:14px 16px;border-radius:7px}.gold-button:hover:not(:disabled){background:linear-gradient(115deg,#d9b777,#f3d99f);transform:translateY(-1px)}.gold-button span{float:right;font-size:16px}.intro .gold-button{margin-top:19px}.intro-bottom{display:flex;align-items:center;gap:12px;margin-top:28px}.seal{display:grid;place-items:center;width:31px;height:36px;font:23px 'KaiTi','SimSun',serif;color:#a8bc9a;border:1px solid #a8bc9a60;border-radius:3px}.intro-bottom p{font-size:8px;color:var(--muted);line-height:1.8}.arena{max-width:630px;width:100%;margin:auto}.arena-heading{display:flex;justify-content:space-between;font-size:8px;letter-spacing:1.7px;color:var(--gold);padding-bottom:15px}.live{color:#a7bc9e;font-size:7px;letter-spacing:.4px;display:flex;align-items:center}.player-card{display:flex;align-items:center;gap:10px;min-height:48px;padding:5px 3px}.player-card strong{font-size:11px;font-weight:600;display:block}.player-card small{font-size:8px;color:var(--muted);display:block;margin-top:5px}.avatar{width:35px;height:35px;flex-shrink:0;display:grid;place-items:center;border:1px solid #d9b7774a;background:#2b352b;border-radius:50%;font:22px 'KaiTi','SimSun',serif;color:#c8bea5}.avatar.red{background:#65352b;color:#f6d1ae;border-color:#b7684b88}.opponent{padding-bottom:12px}.you{padding-top:14px}.turn-light{width:6px;height:6px;border-radius:50%;margin-left:auto;background:#73866e40;flex-shrink:0}.turn-light.active{background:#e4c183;box-shadow:0 0 0 4px #e4c18310,0 0 12px #e4c18377}.captured{display:flex;flex-wrap:wrap;gap:2px;margin-left:auto;max-width:50%}.captured span{font:12px 'SimSun',serif;color:#b8aa88}.board-frame{position:relative;padding:12px;border:1px solid #9d7d4b;background:linear-gradient(135deg,#79583b,#372d21 48%,#805a35);box-shadow:0 24px 55px #0005,inset 0 0 0 4px #0003;border-radius:4px}.board{aspect-ratio:9/10;width:100%;position:relative;background:radial-gradient(ellipse at 35% 20%,#f4deaf,#e6c88e 75%);box-shadow:inset 0 0 18px #77512d55;isolation:isolate}.board-lines{position:absolute;inset:0;width:100%;height:100%;color:#644a2e;pointer-events:none}.board-lines line,.board-lines path{stroke:currentColor;stroke-width:1.5;fill:none}.board-lines .river{fill:#695334;font:29px 'KaiTi','SimSun',serif;text-anchor:middle;letter-spacing:8px}.squares{position:absolute;inset:0;display:grid;grid-template-columns:repeat(9,1fr);grid-template-rows:repeat(10,1fr)}.square{position:relative;padding:0;background:none!important;border:0;border-radius:0;width:100%;height:100%;display:grid;place-items:center;outline-offset:-1px!important}.piece{display:grid;place-items:center;width:84%;height:84%;aspect-ratio:1;max-height:100%;border-radius:50%;position:relative;container-type:inline-size;background:radial-gradient(circle at 35% 23%,#fff1cc,#ebd09a 55%,#c39a58 95%);border:1px solid #b48d52;box-shadow:0 3px 0 #a78147,0 5px 7px #55381966,inset 0 0 0 2px #f8e3b6,inset 0 0 0 3px #b49760;transition:transform .18s,box-shadow .18s;pointer-events:none}.piece:before{content:'';position:absolute;inset:11%;border:1px solid currentColor;border-radius:50%;opacity:.75}.piece>span{font-family:'KaiTi','STKaiti','SimSun',serif;font-size:clamp(17px,5cqw,30px);font-size:63cqw;line-height:1;text-shadow:0 1px 0 #fff8;z-index:1}.piece.red{color:#a22d25}.piece.black{color:#27362d}.square.selected .piece{transform:translateY(-4px);box-shadow:0 0 0 3px #f5edc8,0 0 0 5px #9b702c,0 8px 14px #55381977}.square.legal:after{content:'';width:18%;height:18%;border-radius:50%;background:#37614988;position:absolute;box-shadow:0 0 0 4px #3761490e;pointer-events:none}.square.legal:has(.piece):after{width:88%;height:88%;background:none;border:2px solid #a03428;box-shadow:none}.square.last{background:#98712c22!important}.square.last:before{content:'';position:absolute;inset:5%;border:1px solid #8a6a3290;border-radius:3px;pointer-events:none}.square.checked .piece{box-shadow:0 0 0 3px #b32727,0 0 20px #e0434377}.square.hinted{background:#fef6cb66!important}.corner{position:absolute;width:15px;height:15px;pointer-events:none;z-index:2}.top-left{left:4px;top:4px;border-left:2px solid #cfaa70;border-top:2px solid #cfaa70}.bottom-right{right:4px;bottom:4px;border-right:2px solid #cfaa70;border-bottom:2px solid #cfaa70}.board-status{display:flex;justify-content:space-between;gap:10px;margin-top:14px;border-top:1px solid var(--line);padding:12px 0;font-size:9px;color:#b6c3ae;line-height:1.6}.board-status>span:last-child{color:var(--gold);white-space:nowrap}.sidebar{border:1px solid var(--line);border-radius:10px;padding:20px;background:linear-gradient(145deg,#26342a55,#18241f);margin-top:1px;display:flex;flex-direction:column;min-height:570px}.panel-heading{display:flex;align-items:center;justify-content:space-between}.panel-heading .eyebrow{font-size:7px;letter-spacing:1.5px}.history-icon{color:#879b87;font-size:18px}.turn-panel{padding:26px 0 22px}.turn-panel>span{font-size:7px;letter-spacing:1.5px;color:#a8ba98}h2{font:500 28px 'Playfair Display',Georgia,serif;margin:12px 0;color:#eee6d5}.turn-panel h2{font-size:24px}.turn-panel p{font-size:9px;line-height:1.9;color:var(--muted);margin:0}.move-heading,.move-row{display:grid;grid-template-columns:24px 1fr 1fr;gap:5px}.move-heading{padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:7px;letter-spacing:.7px;color:var(--muted)}.move-history{height:235px;overflow:auto;scrollbar-width:thin;scrollbar-color:#65725d55 transparent}.history-empty{min-height:220px;display:flex;align-items:center;justify-content:center;flex-direction:column}.history-empty>span{font:42px 'KaiTi','SimSun',serif;color:#aeb99425}.history-empty p{font-size:10px;color:#7e907d;text-align:center;line-height:1.9}.move-row{font-size:8px;line-height:1.7;padding:10px 0;border-bottom:1px solid #ffffff07;color:#c2cbb6}.move-row>span:first-child{color:#7c8f7c}.move-row:last-child{color:#ead09a}.board-tools{display:grid;grid-template-columns:1fr 1fr;gap:7px;border-top:1px solid var(--line);padding-top:16px;margin-top:10px}.board-tools button{font-size:9px;padding:10px 5px}.match-actions{display:flex;gap:8px;margin-top:12px}.match-actions button{flex:1;border:0;font-size:9px;color:#9aab99}.match-actions button:last-child{color:#c58d79}.sidebar-note{text-align:center;color:#718774;font-size:8px;margin:10px 0 0}.site-footer{max-width:1410px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin:0 auto;padding:22px 42px 27px;font-size:7px;letter-spacing:1px;color:#6e8478}.site-footer>span:first-child{color:#b5b99b}.site-footer i{font-style:normal;color:var(--gold);margin-left:8px}.or{font-size:7px;color:var(--muted);letter-spacing:1.7px;margin:24px 0 18px;text-align:center}.join-row{display:flex;gap:6px}.join-row input{font-size:10px;letter-spacing:1px;text-transform:uppercase}.join-row button{flex-shrink:0;font-size:10px}.online-note{font-size:8px;line-height:1.9;color:#829b89;margin-top:23px}#roomInfo{border:1px dashed #d9b7774a;padding:16px 12px;border-radius:7px;margin-top:20px}#roomId{display:block;font-size:24px;letter-spacing:3px;margin:10px 0;color:var(--gold)}#roomInfo .quiet{width:100%;margin-top:6px;font-size:9px}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);z-index:80;padding:13px 20px;background:#e1c38a;color:#24342b;border-radius:9px;box-shadow:0 8px 30px #0005;max-width:90vw;font-size:11px;text-align:center}dialog{background:#1b2b23;border:1px solid #d9b77755;border-radius:15px;padding:30px;color:#e5e9db;width:calc(100% - 32px);max-width:470px;box-shadow:0 30px 90px #0008}dialog::backdrop{background:#07130ee0;backdrop-filter:blur(6px)}dialog p,dialog li{font-size:11px;line-height:1.9;color:#aebfa9}dialog li{margin-bottom:7px}dialog ul{padding-left:18px}dialog .muted{font-size:9px;color:#819782}dialog .gold-button{margin-top:20px}.dialog-actions{display:flex;align-items:center;justify-content:flex-end;gap:12px}.dialog-actions .gold-button{width:auto;margin:0}#resultDialog{text-align:center}#resultDialog>.quiet{margin-top:12px;border:0}.result-seal{font:50px 'KaiTi','SimSun',serif;display:block;color:var(--gold);margin-bottom:20px}
@media(min-width:1400px){.layout{gap:50px}.intro{padding-top:28px}.sidebar{margin-top:0;min-height:650px}.move-history{height:300px}.history-empty{height:290px}.board-frame{padding:15px}}
@media(max-width:1100px){.header{padding:0 25px}.layout{grid-template-columns:190px minmax(300px,1fr);gap:28px;padding:28px 25px}.sidebar{grid-column:2;min-height:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 25px}.panel-heading,.turn-panel{grid-column:1}.turn-panel{padding:5px 0}.move-heading,.move-history{grid-column:2}.move-heading{grid-row:1}.move-history{grid-row:2 / span 3;height:150px}.history-empty{min-height:140px}.board-tools{grid-column:1;margin:0;padding-top:12px}.match-actions{grid-column:1;margin:0}.sidebar-note{grid-column:1 / -1}h1{font-size:55px}.arena{max-width:570px}.header-middle{font-size:7px;letter-spacing:1.3px}.site-footer{padding-left:25px;padding-right:25px}}
@media(max-width:700px){.header{height:68px;padding:0 18px}.brand>b{font-size:34px}.brand>span{font-size:7px;padding-left:12px}.brand{gap:12px}.brand small{font-size:5px}.header-middle{display:none}.header .quiet{font-size:9px}.layout{display:flex;flex-direction:column;padding:22px 16px;gap:25px}.intro{width:100%;padding:0;display:grid;grid-template-columns:1fr 1.15fr;gap:0 20px;align-items:start}.intro>.eyebrow{grid-column:1 / -1}.intro h1{font-size:43px;line-height:1.07;margin:14px 0 10px;grid-column:1;letter-spacing:-1.5px}.intro .tagline{font-size:10px;grid-column:1}.intro-line,.intro>.eyebrow.small,.intro-bottom{display:none}.mode-tabs{grid-column:2;grid-row:2;margin:14px 0 10px;gap:4px}.mode-tabs button{font-size:8px;padding:9px 5px}.intro>section{grid-column:2;grid-row:3 / span 3}.intro label{font-size:8px;margin:5px 0 6px}.intro select{padding:9px 7px;font-size:9px}.intro .setting-note{font-size:8px;margin:7px 0 10px}.intro .gold-button{font-size:9px;padding:11px 9px;margin-top:10px}.intro label span{font-size:7px}.intro .online-note{font-size:7px;line-height:1.7;margin-top:10px}.or{font-size:6px;letter-spacing:.5px;margin:14px 0 10px}.join-row{gap:4px}.join-row input{font-size:8px;padding:9px 6px}.join-row button{font-size:8px;padding:8px}.arena{width:100%;max-width:520px}.arena-heading{font-size:7px;padding-bottom:8px}.player-card strong{font-size:10px}.player-card small{font-size:8px}.board-frame{padding:9px}.board-status{font-size:8px}.sidebar{display:flex;width:100%;max-width:520px;margin:auto;padding:19px;gap:0;min-height:0}.turn-panel{padding:14px 0}.turn-panel h2{font-size:22px}.turn-panel>span{font-size:7px}.turn-panel p{font-size:9px}.move-history{height:150px;flex:none}.history-empty{min-height:140px}.board-tools{grid-template-columns:repeat(4,1fr);padding-top:14px;margin-top:12px}.board-tools button{font-size:8px;padding:10px 3px}.match-actions{margin-top:10px}.site-footer{padding:20px 16px;flex-wrap:wrap;justify-content:center;font-size:6px;gap:12px}.site-footer>span:last-child{display:none}.sidebar-note{font-size:7px}#roomInfo{padding:10px 8px;margin-top:12px}#roomId{font-size:17px;letter-spacing:1.5px}#roomInfo .quiet{font-size:8px}.piece{width:86%;height:86%}.piece>span{font-size:63cqw}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.header-actions{display:flex;align-items:center;gap:8px}.account-button{font-size:10px;color:var(--gold);border-color:#d9b77755;max-width:230px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.form-error{color:#f5ac94!important;min-height:18px}.wallet-card{border:1px solid #d9b77744;background:#d9b77709;padding:17px;border-radius:9px;margin:20px 0}.wallet-card>span,.wallet-card small{display:block;font-size:9px;color:var(--muted)}.wallet-card strong{display:block;font-size:26px;color:var(--gold);margin:9px 0}.profile-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:5px;margin:20px 0}.profile-stats>div{text-align:center;background:#ffffff04;padding:11px 2px;border-radius:7px}.profile-stats b{display:block;font-size:18px;color:#e4cd9d}.profile-stats span{display:block;font-size:8px;color:var(--muted);margin-top:5px}#accountDialog h3{font-size:12px;color:var(--gold);margin:23px 0 10px}.match-list{max-height:210px;overflow:auto}.match-item,.active-match{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px solid var(--line);font-size:10px}.match-item b{font-weight:500}.match-item small,.ranking-row small{display:block;font-size:8px;color:var(--muted);margin-top:5px}.match-item strong{font-size:10px;color:var(--gold);white-space:nowrap}.match-item .result-win{color:#b8d49a}.match-item .result-loss,.match-item .result-abandon{color:#d49b85}.active-match button{font-size:9px;padding:7px;margin-left:4px}#accountDialog{max-height:90dvh;overflow:auto}#logout{margin-top:20px;color:#d49b85}.dialog-close{display:block;margin:15px auto 0;border:0}.ranking-list{max-height:55dvh;overflow:auto}.ranking-row{display:grid;grid-template-columns:30px 1fr 50px;gap:12px;padding:15px 0;border-bottom:1px solid var(--line);font-size:12px}.ranking-row>b,.ranking-row>strong{color:var(--gold)}.ranking-row>strong{text-align:right}.ranking-row small{font-size:8px}.undo-banner{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);width:min(480px,calc(100% - 28px));padding:18px;background:#213b2f;border:1px solid #d9b77788;border-radius:13px;z-index:45;box-shadow:0 12px 60px #0008}.undo-banner>strong{font-size:13px;color:var(--gold)}.undo-banner>p{font-size:10px;line-height:1.8;color:#b5c6ad}.undo-banner>div{display:flex;gap:9px}.undo-banner button{font-size:10px}.undo-banner .gold-button{flex:1;padding:11px}
@media(max-width:700px){.header{height:auto;min-height:68px;flex-wrap:wrap;gap:12px;padding-top:13px;padding-bottom:13px}.header-actions{gap:3px}.header-actions .quiet{font-size:8px;padding:7px}.header-actions .quiet span{display:none}.account-button{font-size:8px;max-width:165px;padding:9px}.header .brand>span{display:none}.header .brand>b{font-size:28px}.header .brand>b>span{font-size:15px}.header .brand{gap:0}.profile-stats span{font-size:7px}.active-match{font-size:9px}}
@media(max-width:700px){#onlineSettings:has(#roomInfo:not([hidden]))>#createRoom,#onlineSettings:has(#roomInfo:not([hidden]))>.or,#onlineSettings:has(#roomInfo:not([hidden]))>label,#onlineSettings:has(#roomInfo:not([hidden]))>.join-row,#onlineSettings:has(#roomInfo:not([hidden]))>.setting-note{display:none}#onlineSettings:has(#roomInfo:not([hidden])) #roomInfo{margin-top:0}.intro #roomInfo .setting-note{margin:8px 0}.intro #roomInfo .quiet{padding:7px 5px}}

/* Square reserved for a future advertisement. */
.ad-slot{width:100%;aspect-ratio:1 / 1;min-width:0;display:grid;place-items:center;overflow:hidden;border:1px dashed #d9b77755;border-radius:10px;background:#d9b77706;margin-bottom:25px}.ad-slot>span{font-size:9px;letter-spacing:2px;color:var(--muted)}.ad-slot img,.ad-slot video,.ad-slot iframe{display:block;width:100%;height:100%;object-fit:contain;border:0}
@media(max-width:700px){.intro>.ad-slot{grid-column:1;grid-row:2 / span 4;margin:14px 0 0}.ad-slot>span{font-size:7px;letter-spacing:1.3px}}

/* Piece collection: the same material variables render previews and the live board. */
body[data-piece] .piece{background:var(--face);border-color:var(--edge);border-radius:var(--piece-radius);box-shadow:var(--piece-shadow)}body[data-piece] .piece.red{color:var(--red-ink)}body[data-piece] .piece.black{color:var(--black-ink)}body[data-piece] .piece:before{border-style:var(--piece-rim);border-width:2px}body[data-piece] .piece:after{content:'';position:absolute;inset:4%;border:2px dotted #f5d68f;border-radius:inherit;opacity:var(--ornament);pointer-events:none}.piece-preview .piece>span{font-size:63cqw}.piece-preview .piece{width:62px;height:62px;flex-shrink:0}.piece-preview{height:120px;display:flex;justify-content:center;align-items:center;gap:14px;background:radial-gradient(ellipse,#49604844,transparent);border-bottom:1px solid var(--line);margin-bottom:14px}#piecesDialog{max-width:1050px;max-height:90dvh;overflow:auto;padding:28px}.pieces-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.pieces-heading h2{font-size:32px}.pieces-summary{font-size:12px;color:var(--gold);padding:14px 0}.pieces-filters{display:flex;flex-wrap:wrap;gap:7px;margin:6px 0 16px}.pieces-filters button{font-size:10px;padding:9px 12px}.pieces-filters button[aria-pressed=true]{color:var(--gold);border-color:var(--gold);background:#d9b77712}.pieces-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.piece-option{padding:14px;border:1px solid var(--line);border-radius:12px;background:#ffffff03;min-width:0}.piece-option.is-selected{border-color:var(--gold);background:#d9b7770a}.piece-option small{font-size:8px;letter-spacing:.7px;color:var(--muted)}.piece-option h3{font-size:13px;color:#eee6d5;margin:9px 0}.piece-option p{font-size:9px;margin:8px 0 14px}.piece-option>button{width:100%;font-size:10px;color:var(--gold)}.piece-option.is-selected>button{opacity:1;background:#d9b77715}#piecesStatus,#pieceBuyError{font-size:11px;color:var(--gold)}.header-middle{white-space:nowrap}.header-actions{flex-wrap:wrap;justify-content:flex-end}@media(max-width:1250px){.header-middle{font-size:6px;letter-spacing:.8px}.header-actions{gap:3px}.header-actions .quiet{padding:9px 7px}}@media(max-width:800px){.header-middle{display:none}.pieces-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:600px){#piecesDialog{padding:18px 14px}.pieces-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.piece-option{padding:10px}.piece-preview{gap:9px;height:105px}.piece-preview .piece{width:52px;height:52px}.pieces-heading h2{font-size:27px}.pieces-summary{font-size:10px}.pieces-filters button{font-size:9px;padding:8px}.header-actions{flex:1}.header-actions .quiet{font-size:8px;padding:7px 5px}.account-button{max-width:130px}}
body[data-piece] .square.selected .piece{outline:3px solid #fff1b8;outline-offset:2px}body[data-piece] .square.checked .piece{outline:3px solid #d52d2d;outline-offset:2px}

.player-rank{padding:13px 15px;border:1px solid #d9b77755;border-radius:8px;background:#d9b77709;color:var(--gold);font-size:11px;line-height:1.8}.player-card small{line-height:1.7}

.online-buttons{display:grid;grid-template-columns:1fr 1fr;gap:8px}.intro .online-buttons .gold-button{padding:13px 8px;font-size:9px;float:none}.online-buttons .gold-button span{float:none;margin-left:4px;font-size:12px}#randomStatus{border:1px solid #d9b77744;border-radius:7px;padding:12px;color:var(--gold)}@media(max-width:700px){.online-buttons{gap:5px}.intro .online-buttons .gold-button{font-size:8px;padding:10px 4px}.online-buttons .gold-button span{display:none}#randomStatus{padding:8px;font-size:8px}#onlineSettings:has(#roomInfo:not([hidden]))>.online-buttons{display:none}}
.room-time-settings{padding:12px;border:1px solid var(--line);border-radius:8px;margin-top:14px;background:#ffffff03}.room-time-settings>label{margin-top:0}.room-time-fields{display:grid;grid-template-columns:1fr 1fr;gap:5px 9px;margin-top:10px}.room-time-fields label{margin:4px 0;font-size:8px}.room-time-fields label:nth-of-type(2){grid-column:2;grid-row:1}.time-stepper{display:flex;min-width:0;gap:3px}.time-stepper button{padding:6px;flex-shrink:0;font-size:11px}.time-stepper input{text-align:center;padding:7px 1px;font-size:10px;appearance:textfield;-moz-appearance:textfield}.time-stepper input::-webkit-inner-spin-button{appearance:none}.room-time-settings .setting-note{margin:10px 0 0;font-size:8px}.chess-clock{font-variant-numeric:tabular-nums;font-size:17px;font-weight:700;letter-spacing:.8px;padding:8px 10px;white-space:nowrap;border:1px solid var(--line);border-radius:7px;color:var(--muted);background:#101a16;margin-left:auto;flex-shrink:0}.chess-clock.running{color:var(--gold);border-color:#d9b77788;background:#d9b77710}.chess-clock.low{color:#ffab98;border-color:#df705a88}.player-card .turn-light{margin-left:2px}.player-card:has(.chess-clock:not([hidden])) .captured{margin-left:0;max-width:22%}@media(max-width:700px){.room-time-settings{padding:8px;margin-top:10px}.room-time-fields{grid-template-columns:1fr;gap:4px}.room-time-fields label:nth-of-type(2){grid-column:auto;grid-row:auto}.intro .room-time-settings label{font-size:7px}.time-stepper input{padding:6px 2px!important}.time-stepper button{padding:5px 7px}.chess-clock{font-size:14px;padding:7px}.player-card small{font-size:7px}.player-card:has(.chess-clock:not([hidden])) .captured{max-width:18%}}
/* Responsive game layout: board first, controls within reach. */
:root{--muted:#a1afa5;--line:#d8c59a29}
.header{max-width:1480px;height:76px;padding:0 28px;gap:24px}.header-middle{font-size:9px;letter-spacing:1.2px}.header-actions{gap:7px;flex-wrap:nowrap}.header .quiet{border:1px solid var(--line)}
.icon-action{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;line-height:1.3;min-width:0}.icon-action .action-icon{font-family:system-ui,'SimSun',sans-serif;font-size:18px;line-height:1;flex-shrink:0;float:none}.icon-action .action-label{font-size:inherit;min-width:0;float:none}.compact-label{display:none!important}.header .quiet .action-icon,.header .quiet .action-label,.header .quiet .compact-label{border:0;border-radius:0;width:auto;height:auto;margin:0;letter-spacing:0;color:inherit}.header .quiet .action-icon{display:inline-block}.header .quiet .action-label{display:block}.header-actions .quiet,.account-button{font-size:11px;padding:10px 12px}.account-button{max-width:220px}.account-button .action-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.layout{max-width:1440px;grid-template-columns:240px minmax(0,1fr) 248px;gap:24px;padding:24px 28px;align-items:start}.intro{padding-top:0;min-width:0}.ad-slot{margin:0 0 18px}.setup-panel{padding:17px;border:1px solid var(--line);border-radius:12px;background:linear-gradient(145deg,#26382e88,#18241f)}.setup-panel>.eyebrow{display:block;font-size:8px}.mode-tabs{margin:12px 0 14px;gap:6px}.mode-tabs button{font-size:11px;padding:10px 7px;min-height:44px}.mode-tabs .action-icon{font-size:15px}.intro label{font-size:11px;margin:12px 0 7px}.intro label>span{font-size:9px}.intro select,.intro input{font-size:12px;padding:11px 9px;min-height:42px}.intro .setting-note{font-size:10px;line-height:1.7;margin:9px 0 12px}.intro .gold-button{font-size:11px;padding:12px 10px;margin-top:13px;min-height:44px}.intro .gold-button span{float:none;font-size:inherit}.intro .gold-button .action-icon{font-size:18px}.intro-bottom{margin-top:14px}.intro-bottom p{font-size:10px}
.setup-details>summary,.history-details>summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:10px;justify-content:space-between;min-height:44px;font-size:11px;color:var(--gold)}.setup-details>summary::-webkit-details-marker,.history-details>summary::-webkit-details-marker{display:none}.setup-details>summary:after,.history-details>summary:after{content:'⌄';font-size:16px;flex-shrink:0}.setup-details[open]>summary:after,.history-details[open]>summary:after{transform:rotate(180deg)}.setup-details>summary{display:none}.history-details{min-width:0}.history-details>summary{border-top:1px solid var(--line);padding:8px 0}.history-details>summary span:last-of-type{color:var(--muted);font-size:10px;margin-left:auto}.setup-details>summary:focus-visible,.history-details>summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:5px}
.arena{max-width:630px;margin:0 auto;min-width:0}.arena-heading{font-size:10px;padding:3px 0 10px}.live{font-size:9px}.player-card{gap:10px;min-height:58px;padding:8px 2px}.player-info{flex:1;min-width:0}.player-card strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player-card small{font-size:10px;line-height:1.5;margin-top:3px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.avatar{width:37px;height:37px}.player-card .captured{max-width:20%;margin-left:0}.player-card .captured:empty{display:none}.player-card .turn-light{margin-left:2px}.chess-clock{margin-left:auto;font-size:19px;padding:8px 10px}.board-frame{padding:11px}.board-status{font-size:11px;margin-top:6px;padding:10px 0;min-height:40px;align-items:center}.board-status>span:first-child{min-width:0;overflow-wrap:anywhere}.board-status>span:last-child{font-size:10px}
.game-controls{background:#1b2923;border:1px solid var(--line);border-radius:11px;padding:10px}.game-controls .board-tools{border:0;margin:0;padding:0;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px}.game-controls .board-tools button{font-size:11px;padding:10px 5px;min-height:44px}.game-controls .match-actions{border-top:1px solid var(--line);margin-top:8px;padding-top:8px;gap:8px}.game-controls .match-actions button{border:1px solid var(--line);font-size:11px;min-height:40px;padding:8px}.game-controls .gold-button{margin:0 0 9px}.sidebar{padding:18px;margin:0;min-height:0;display:block;background:linear-gradient(145deg,#26342a66,#18241f)}.panel-heading .eyebrow{font-size:9px;letter-spacing:1px}.turn-panel{padding:20px 0}.turn-panel>span{font-size:9px;letter-spacing:.8px}.turn-panel h2{font-size:25px}.turn-panel p{font-size:11px;line-height:1.75}.move-heading{font-size:9px;padding:10px 0}.move-row{font-size:10px;padding:11px 0}.move-history{height:260px}.history-empty{min-height:210px;height:auto}.history-empty p{font-size:11px}.sidebar-note{font-size:10px;margin-top:15px}.site-footer{font-size:8px;padding:20px 28px}.online-note{font-size:9px;line-height:1.7}.or{font-size:9px;margin:18px 0 12px;letter-spacing:1px}.join-row button{font-size:11px;padding:9px;min-height:42px}.room-time-settings{margin-top:12px;padding:10px}.room-time-fields{gap:5px 7px}.room-time-fields label{font-size:9px}.time-stepper{gap:3px}.time-stepper button{min-width:27px;min-height:38px;padding:5px;font-size:14px}.intro .time-stepper input{min-height:38px;font-size:12px;padding:5px 0}.intro .room-time-settings .setting-note{font-size:9px;margin-bottom:0}.intro .online-buttons .gold-button{font-size:10px;padding:10px 5px}.intro .online-buttons .action-icon{font-size:16px}.intro .online-buttons .gold-button span{display:inline}.intro #roomInfo .quiet{font-size:11px;min-height:42px}.intro #roomInfo .setting-note{font-size:10px}#roomId{font-size:22px;letter-spacing:2px}#randomStatus{font-size:11px;padding:11px}
/* Comfortable forms and dialogs on touch screens. */
dialog{max-height:90dvh;overflow:auto}dialog input,dialog select{font-size:14px;min-height:44px}dialog label{font-size:12px}dialog p,dialog li{font-size:12px}dialog .muted{font-size:11px}dialog button{min-height:42px}.pieces-filters button{min-height:40px}.piece-option>button{min-height:42px}.piece-option h3{font-size:14px}.piece-option p{font-size:11px}.piece-option small{font-size:9px}.wallet-card small,.wallet-card>span{font-size:11px}.profile-stats span{font-size:10px}.match-item,.active-match{font-size:12px;flex-wrap:wrap}.match-item small,.ranking-row small{font-size:10px}.active-match>div{display:flex;gap:5px}.active-match button{font-size:11px;min-height:40px}.undo-banner{bottom:max(12px,env(safe-area-inset-bottom));padding:16px}.undo-banner>p{font-size:12px}.undo-banner button{min-height:44px;font-size:11px}
@media(max-width:1280px){.header-middle{display:none}.layout{grid-template-columns:220px minmax(0,1fr) 220px;gap:18px;padding:20px}.header{padding:0 20px}.setup-panel{padding:13px}.sidebar{padding:15px}.board-tools .icon-action{gap:5px}}
@media(min-width:761px) and (max-width:1100px){.layout{grid-template-columns:220px minmax(0,1fr);gap:20px}.sidebar{grid-column:2;display:block;max-width:630px;width:100%;margin:auto}.move-history{height:180px}.history-empty{min-height:150px}.header-actions{gap:5px}.header-actions .quiet{font-size:10px;padding:9px}.brand>span{display:none}.header{height:68px}.arena{max-width:630px}}
@media(max-width:760px){
  .header{position:sticky;top:0;z-index:30;min-height:64px;height:64px;padding:8px 12px;gap:10px;flex-wrap:nowrap;background:#141d1bf5;backdrop-filter:blur(14px)}.header-middle,.brand>span{display:none!important}.brand{gap:0;flex-shrink:0}.brand>b{font-size:30px}.brand>b>span{font-size:16px}.header-actions{flex:1;gap:5px;justify-content:flex-end;min-width:0}.header-actions .quiet,.header-actions .account-button{min-width:44px;min-height:44px;padding:7px;font-size:10px;max-width:150px;border:1px solid var(--line);border-radius:8px}.header-actions .action-icon{font-size:19px}.header-actions .action-label{display:none!important}.header-actions .compact-label{display:none!important}.header-actions .account-button{border-color:#d9b77766}.header .quiet .action-icon{display:block}.header-actions .icon-action{gap:0}
  .layout{display:flex;flex-direction:column;gap:14px;padding:12px;max-width:600px}.intro{display:contents}.setup-panel{order:1;width:100%;padding:10px 12px;border-radius:11px;display:block}.setup-panel>.eyebrow{display:none}.setup-panel>.mode-tabs{margin:0;gap:8px}.setup-panel>.mode-tabs button{font-size:12px;min-height:44px;padding:10px}.setup-details>summary{display:flex;border-top:1px solid var(--line);margin-top:9px;padding-top:7px;font-size:12px;min-height:42px}.setup-details>summary span:last-of-type{color:var(--muted);font-size:10px;margin-left:auto;white-space:nowrap}.setup-details>section{padding-top:8px}.intro>.eyebrow,.intro-bottom{display:none}.intro>.ad-slot{order:4;grid-column:auto;grid-row:auto;width:160px;max-width:100%;margin:4px auto 12px;flex-shrink:0;align-self:center;aspect-ratio:1}.ad-slot>span{font-size:9px}.arena{order:2;width:100%;max-width:540px}.sidebar{order:3;width:100%;max-width:540px;margin:auto;padding:12px 15px;border-radius:11px;display:block;min-height:0}.arena-heading{font-size:10px;padding:0 2px 5px;letter-spacing:1px}.live{font-size:9px}.live i{margin-right:6px}.player-card{min-height:54px;padding:7px 2px;gap:8px}.player-card strong{font-size:12px}.player-card small{font-size:10px;line-height:1.4}.avatar{width:33px;height:33px;font-size:22px}.chess-clock{font-size:17px;padding:7px 9px}.player-card:has(.chess-clock:not([hidden])) .captured{max-width:16%}.captured span{font-size:11px}.board-frame{padding:8px;box-shadow:0 12px 30px #0004,inset 0 0 0 3px #0003}.you{padding-top:9px}.board-status{font-size:10px;padding:8px 2px;min-height:35px;margin:2px 0 5px}.board-status>span:last-child{font-size:9px}.game-controls{padding:8px;border-radius:10px}.game-controls .board-tools{gap:5px}.game-controls .board-tools button{font-size:10px;min-height:44px;padding:8px 3px;gap:5px}.game-controls .board-tools .action-icon{font-size:18px}.game-controls .match-actions{margin-top:7px;padding-top:7px}.game-controls .match-actions button{min-height:40px;font-size:11px}.icon-action .action-label{display:none}.icon-action .compact-label{display:block!important;font-size:inherit;float:none}.header-actions .icon-action .compact-label{display:none!important}.mode-tabs .action-icon{font-size:16px}.intro label{font-size:12px;margin:10px 0 6px}.intro label>span{font-size:10px}.intro select,.intro input{font-size:16px;padding:10px;min-height:44px}.intro .setting-note{font-size:11px;line-height:1.6;margin:8px 0 10px}.intro .gold-button{font-size:12px;min-height:44px;padding:11px;margin-top:10px}.intro .gold-button .action-icon{display:block;font-size:18px}.intro .online-buttons .gold-button{font-size:12px;padding:11px 7px;gap:7px}.intro .online-buttons .gold-button span{display:block}.online-buttons{gap:8px}.room-time-fields{grid-template-columns:1fr 1fr;gap:5px 12px}.room-time-fields label:nth-of-type(2){grid-column:2;grid-row:1}.intro .room-time-settings label{font-size:11px}.room-time-settings{padding:11px;margin-top:9px}.time-stepper button{min-width:36px;min-height:44px;font-size:18px;padding:5px}.intro .time-stepper input{font-size:16px;min-height:44px;padding:8px 2px!important}.intro .room-time-settings .setting-note{font-size:10px}.intro .online-note{font-size:10px;margin:12px 0 3px}.or{font-size:9px;margin:14px 0 8px}.join-row{gap:8px}.join-row button{min-height:44px;font-size:12px;padding:9px 14px}.join-row input{font-size:16px;letter-spacing:1px}.intro #roomInfo .quiet{font-size:12px;min-height:44px;padding:10px}.intro #roomInfo .setting-note{font-size:11px}#roomInfo{margin:8px 0 0;padding:12px}.intro #roomId{font-size:24px;letter-spacing:2px}#randomStatus{font-size:11px;padding:11px;line-height:1.6}.panel-heading{display:none}.turn-panel{padding:2px 0 8px}.turn-panel>span{font-size:9px}.turn-panel h2{font-size:23px;margin:7px 0}.turn-panel p{font-size:11px;line-height:1.6}.history-details>summary{min-height:44px;font-size:12px}.move-history{height:190px;flex:none}.move-row{font-size:11px}.move-heading{font-size:9px}.history-empty{min-height:160px}.sidebar-note{display:none}.site-footer{font-size:8px;padding:16px 12px;gap:9px;line-height:1.8;text-align:center}.site-footer>span:last-child{display:none}dialog{padding:22px 18px;width:calc(100% - 24px);border-radius:13px;max-height:88dvh}dialog input,dialog select{font-size:16px}dialog p,dialog li{font-size:12px}.pieces-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.piece-preview .piece{width:52px;height:52px}.pieces-filters{gap:6px}.pieces-filters button{font-size:10px;padding:8px}.piece-option p{font-size:10px}.pieces-summary{font-size:11px}.profile-stats{gap:4px}.profile-stats span{font-size:9px}.profile-stats b{font-size:17px}.undo-banner{bottom:max(10px,env(safe-area-inset-bottom));width:calc(100% - 20px)}
}
@media(max-width:360px){.header{padding:8px;gap:8px}.header-actions{gap:4px}.header-actions .quiet,.header-actions .account-button{min-width:42px;min-height:44px}.layout{padding:10px;gap:12px}.setup-panel{padding:9px 10px}.game-controls .board-tools button{flex-direction:column;gap:4px;font-size:10px;min-height:52px}.room-time-fields{gap:5px 8px}.time-stepper button{min-width:32px}.player-card small{font-size:9px}.chess-clock{font-size:16px}.piece-preview{gap:8px}.piece-preview .piece{width:45px;height:45px}.piece-option{padding:9px}.piece-option small{font-size:8px}}
.room-time-settings>summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--gold);font-size:10px;min-height:32px}.room-time-settings>summary::-webkit-details-marker{display:none}.room-time-settings>summary:after{content:'⌄';font-size:15px}.room-time-settings[open]>summary:after{transform:rotate(180deg)}.room-time-settings>summary>span:last-child{margin-left:auto;white-space:nowrap;font-variant-numeric:tabular-nums}.room-time-settings[open]>summary{border-bottom:1px solid var(--line);padding-bottom:9px;margin-bottom:9px}.room-time-settings>summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
@media(min-width:1101px){.header{height:68px}.arena{max-width:min(600px,max(360px,calc((100dvh - 310px)*.9)))}.player-card{min-height:48px;padding-top:6px;padding-bottom:6px}.game-controls{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:5px;padding:8px}.game-controls .board-tools,.game-controls .match-actions{display:contents}.game-controls .board-tools button,.game-controls .match-actions button{display:flex;flex-direction:column;gap:5px;min-height:52px;font-size:9px;padding:6px 2px;border:1px solid var(--line);border-radius:7px}.game-controls .board-tools .action-icon,.game-controls .match-actions .action-icon{font-size:18px}.game-controls #retrySave{grid-column:1 / -1;margin:0}.board-status{font-size:10px}.turn-panel p{font-size:11px}}
@media(max-width:760px){.room-time-settings>summary{font-size:12px;min-height:40px}.room-time-settings{padding:5px 10px}.room-time-settings[open]{padding:9px 10px}.intro #roomTimeSettings .setting-note{font-size:10px}.header-actions .quiet,.header-actions .account-button{flex-shrink:0}.setup-panel>.mode-tabs .action-icon{font-size:16px}}
html{scrollbar-gutter:stable}
@media(min-width:1101px){.game-controls .board-tools button,.game-controls .match-actions button{font-size:10px}}
@media(max-width:760px){.intro .online-buttons .gold-button .action-label{display:none}.intro .online-buttons .gold-button .compact-label{display:block}.intro .online-buttons .gold-button{white-space:nowrap;min-height:44px}.intro .online-buttons .gold-button .action-icon{flex-shrink:0}}
@media(max-width:760px){.piece-preview .piece{width:calc((100% - 10px)/2);max-width:52px;height:auto;aspect-ratio:1;flex-shrink:1}.piece-preview{gap:10px}}
.header{max-width:1280px}.layout{max-width:1240px}.connection-help{margin-top:12px}.connection-help>summary{cursor:pointer;list-style:none;font-size:10px;color:var(--muted);min-height:36px;display:flex;align-items:center;gap:8px}.connection-help>summary::-webkit-details-marker{display:none}.connection-help>summary:after{content:'⌄';margin-left:auto}.connection-help[open]>summary:after{transform:rotate(180deg)}.connection-help .online-note{margin-top:4px}.connection-help>summary:focus-visible{outline:2px solid var(--gold);outline-offset:2px}.intro .online-buttons .icon-action{gap:5px}
@media(max-width:760px){.layout{max-width:600px}.connection-help{margin-top:7px}.connection-help>summary{font-size:11px;min-height:40px}.intro .online-buttons .icon-action{gap:7px}}