.chess-destination{--piece-light-stroke:#52635b;background:var(--bg,#f7f8f5);color:#1c3026;min-height:calc(100svh - 70px);padding:32px 0 64px}.rc-back{color:#5e6e63;align-items:center;min-height:38px;font-size:13px;display:inline-flex}.rc-heading{justify-content:space-between;align-items:flex-end;gap:40px;padding:34px 0 44px;display:flex}.rc-eyebrow{color:#61705f;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px;font-size:11px}.rc-heading h1{letter-spacing:-.065em;font-size:clamp(45px,5.9vw,78px);font-weight:500;line-height:1.08}.rc-heading h1 span{color:#42664f}.rc-heading>p{color:#61705f;padding-bottom:3px;font-size:14px;line-height:1.7}.rc-workspace{grid-template-columns:minmax(0,1.6fr) minmax(255px,.8fr);gap:clamp(32px,5vw,80px);display:grid}.rc-board-section{max-width:700px}.rc-board-topline{color:#637268;justify-content:space-between;align-items:center;gap:20px;margin-bottom:16px;font-size:12px;display:flex}.rc-board-topline span:first-child{color:#284b37}.rc-board{aspect-ratio:1;border:1px solid #bec8b9;width:100%}.rc-row{grid-template-columns:repeat(8,minmax(0,1fr));height:12.5%;display:grid}.rc-square{aspect-ratio:1;cursor:pointer;border:0;border-radius:0;justify-content:center;align-items:center;min-width:0;padding:0;display:flex;position:relative}.rc-light{background:#e8e9dc}.rc-dark{background:#9aaa94}.rc-square.rc-selected{background:#c8d3ad;box-shadow:inset 0 0 0 2px #597549}.rc-square[data-target]{box-shadow:inset 0 0 0 2px #ba753f}.rc-square:focus-visible{outline-offset:-3px;z-index:2;outline:3px solid #b36227}.rc-square[aria-disabled=true]{cursor:default}.rc-piece{z-index:1;pointer-events:none;width:80%;height:80%;position:relative}.rc-move-marker{aspect-ratio:1;opacity:.6;background:#3d654b;border-radius:50%;width:14%;position:absolute}.rc-move-marker.is-capture{z-index:2;background:0 0;border:3px solid #446249;width:86%}.rc-locked{z-index:2;background:#b66426;border-radius:50%;width:5px;height:5px;position:absolute;bottom:7px;right:7px}.rc-rank,.rc-file{color:#30472f;pointer-events:none;font-size:10px;line-height:1;position:absolute}.rc-rank{top:5px;left:5px}.rc-file{bottom:4px;right:5px}.rc-keyboard-help{color:#61705f;margin-top:15px;font-size:11px;line-height:1.7}.rc-controls{border-bottom:1px solid #d3dbcf;flex-direction:column;gap:10px;padding-bottom:23px;display:flex}.rc-controls label{color:#627366;font-size:11px}.rc-controls select{color:#2b4936;background:0 0;border:1px solid #c7d1c2;border-radius:0;min-height:42px;padding:0 10px;font-size:12px}.rc-controls>div{gap:10px;display:flex}.rc-controls button{color:#294632;background:0 0;border:1px solid #c7d1c2;flex:1;min-height:40px;font-size:12px}.rc-controls button:disabled{opacity:.4;cursor:default}.rc-score{grid-template-columns:1fr 1fr;gap:20px;margin:24px 0;display:grid}.rc-score dt{color:#647466;font-size:11px}.rc-score dd{letter-spacing:-.05em;color:#365941;margin:8px 0 5px;font-size:34px;line-height:1.1}.rc-score small{color:#61705f;letter-spacing:0;margin-left:6px;font-size:13px}.rc-score span{letter-spacing:0;color:#61705f;margin-top:6px;font-size:11px;display:block}.rc-target-note{color:#756145;border-top:1px solid #d6ddcf;padding:16px 0;font-size:12px;line-height:1.6}.rc-end{color:#365b3e;border-block:1px solid #bdccaf;padding:20px 0;font-size:17px;line-height:1.5}.rc-rules{color:#5c6d5f;border-block:1px solid #d3dbcf;padding:18px 0;font-size:12px}.rc-rules summary{color:#294835;cursor:pointer;font-size:13px}.rc-rules ol{margin:18px 0 0;padding-left:18px}.rc-rules li{margin-bottom:12px;padding-left:4px;line-height:1.6}.rc-rules p{margin-top:16px;font-size:11px;line-height:1.7}.rc-history{padding-top:22px}.rc-history h2{color:#314e3c;font-size:13px;font-weight:500}.rc-history>p{color:#61705f;margin-top:12px;font-size:12px}.rc-history ol{font-variant-numeric:tabular-nums;grid-template-columns:1fr 1fr;gap:8px 16px;max-height:145px;margin:12px 0 0;padding:0;font-size:12px;list-style:none;display:grid;overflow:auto}.rc-history li span{color:#61705f;width:28px;display:inline-block}.rc-local-note{color:#61705f;margin-top:26px;font-size:10px;line-height:1.6}.rc-promotion{color:#243e2d;background:#f7f8f1;border:1px solid #cad3c3;border-radius:0;width:min(460px,100vw - 40px);max-width:none;margin:auto;padding:28px;position:fixed;inset:0;box-shadow:0 10px 60px #1b30252b}.rc-promotion::backdrop{background:#172d2559}.rc-promotion h2{letter-spacing:-.04em;font-size:24px}.rc-promotion>p{color:#687967;margin:12px 0 22px;font-size:13px}.rc-promotion>div{gap:10px;display:flex}.rc-promotion>div>button{background:#e8eddc;border:1px solid #b9c9a9;flex-direction:column;flex:1;align-items:center;gap:5px;min-width:0;padding:10px 4px;display:flex}.rc-promotion>div .rc-piece{width:56px;max-width:100%;height:56px}.rc-promotion>div span{text-transform:capitalize;font-size:11px}.rc-promotion-cancel{color:#5b6b5c;background:0 0;border:0;min-height:36px;margin-top:22px;font-size:12px}@media (max-width:900px){.rc-workspace{grid-template-columns:minmax(0,1.5fr) minmax(230px,1fr);gap:28px}.rc-rank,.rc-file{font-size:8px}}@media (max-width:760px){.chess-destination{padding-top:18px}.rc-heading{padding:24px 0 30px;display:block}.rc-heading>p{margin-top:20px;font-size:13px}.rc-heading>p br{display:none}.rc-workspace{display:block}.rc-board-section{max-width:none}.rc-sidebar{margin-top:32px}.rc-controls{grid-template-columns:1fr 1fr;display:grid}.rc-controls label{grid-column:1/-1}.rc-controls>div{gap:8px}.rc-controls select{width:100%;min-width:0;font-size:11px}.rc-board-topline{font-size:11px}.rc-score{max-width:300px}.rc-rank,.rc-file{font-size:8px}.rc-locked{width:4px;height:4px;bottom:4px;right:4px}}