@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Inter:wght@400;500;600;700&display=swap');
:root{--bg:#fff;--surface:#fff;--soft:#f5f5f5;--line:#dedede;--text:#111;--muted:#6d6d6d;font-family:Inter,system-ui,sans-serif;color:var(--text);background:var(--bg)}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:#fff;color:#111}button,select{font:inherit}.topbar{height:60px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(18px,4vw,56px);background:#fff;position:relative;z-index:10}.brand{display:flex;align-items:center;gap:10px;color:#111;text-decoration:none;letter-spacing:.1em;font-size:12px}.brand-mark{display:grid;place-items:center;width:28px;height:28px;background:#111;color:#fff;font-weight:700}.source-link{font:500 10px DM Mono,monospace;letter-spacing:.1em;color:var(--muted);text-decoration:none}.shell{max-width:1260px;margin:auto;padding:clamp(28px,4vw,54px) clamp(14px,4vw,54px) 64px}.hero{display:grid;grid-template-columns:1fr 410px;align-items:end;margin-bottom:30px}.eyebrow{font:500 10px DM Mono,monospace;letter-spacing:.12em;color:var(--muted);grid-column:1/-1;margin:0 0 12px}.hero h1{font-size:clamp(44px,6vw,76px);line-height:1;letter-spacing:-.055em;margin:0;font-weight:600}.lede{color:var(--muted);font-size:14px;line-height:1.6;margin:0;max-width:410px}.lede strong{color:#111;font-weight:600}.arena{display:grid;grid-template-columns:minmax(0,700px) minmax(290px,360px);gap:38px;align-items:start}.board-wrap{min-width:0}.player{height:54px;display:flex;align-items:center;gap:11px}.player-top{border-bottom:1px solid var(--line)}.avatar{width:31px;height:31px;display:grid;place-items:center;font:600 12px DM Mono;background:#111;color:#fff}.avatar.light{background:#f2f2f2;color:#111;border:1px solid var(--line)}.player b{font-size:13px;font-weight:600}.player small{display:block;color:var(--muted);font:9px DM Mono;margin-top:3px;letter-spacing:.07em}.thinking{margin-left:auto;color:#111;font:9px DM Mono;letter-spacing:.1em}.thinking:after{content:'…';animation:pulse 1s steps(3) infinite}@keyframes pulse{50%{opacity:.25}}.panel{border:1px solid var(--line);background:#fff}.panel-head{height:44px;padding:0 16px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);font:500 10px DM Mono;letter-spacing:.12em;color:var(--muted)}.dot{width:7px;height:7px;border-radius:50%;background:#111}.dot.loading{background:#aaa}.dot.error{background:#b00020}.status-card{margin:16px;padding:0 0 16px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:5px}.status-card small,.field>span{font:9px DM Mono;color:var(--muted);letter-spacing:.1em}.status-card strong{font-size:19px;font-weight:600}.status-card span{font-size:12px;color:var(--muted)}.field{display:block;margin:16px}.field>span{display:block;margin-bottom:7px}.field select{width:100%;height:42px;border:1px solid #cfcfcf;background:#fff;color:#111;padding:0 11px;border-radius:0}.actions{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:7px;margin:16px}.actions button,.moves-title button{height:40px;border:1px solid #cfcfcf;background:#fff;color:#111;font:500 10px DM Mono;letter-spacing:.04em;cursor:pointer;transition:background .15s,color .15s}.actions button:hover,.moves-title button:hover{background:#f3f3f3}.actions .primary{background:#111;color:#fff;border-color:#111}.actions .primary:hover{background:#333}button:disabled,select:disabled{opacity:.38;cursor:not-allowed}.moves-block{border-top:1px solid var(--line);margin-top:20px}.moves-title{height:43px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;font:9px DM Mono;color:var(--muted);letter-spacing:.1em}.moves-title button{height:27px;padding:0 8px}.moves{height:176px;overflow:auto;padding:7px 16px 15px;font:11px DM Mono}.moves p{color:var(--muted)}.move-row{display:grid;grid-template-columns:30px 1fr 1fr;padding:7px 0;border-bottom:1px solid #eee}.move-no{color:#999}.privacy{padding:13px 16px;margin:0;border-top:1px solid var(--line);font-size:9px;line-height:1.5;color:var(--muted)}.privacy span{color:#111}.modal{position:fixed;inset:0;background:#0008;display:grid;place-items:center;z-index:20}.modal[hidden]{display:none}.modal-card{background:#fff;border:1px solid #ccc;padding:22px}.modal-card p{font:10px DM Mono;letter-spacing:.1em}.modal-card button{font-size:48px;background:#f1f1f1;border:1px solid #ccc;margin:3px;width:66px;height:66px;cursor:pointer}.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(18px);padding:11px 16px;background:#111;color:#fff;font:500 10px DM Mono;opacity:0;pointer-events:none;transition:.18s;z-index:30}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.wood-board-shell{width:100%;aspect-ratio:1;padding:clamp(8px,1.4vw,14px);background:linear-gradient(135deg,#3d1e12,#724225 40%,#422116 72%,#684028);border:1px solid #55301f;box-shadow:0 12px 34px #0002,inset 0 0 0 2px #2e160f;overflow:hidden}.wood-board-shell #board{width:100%;height:100%;min-width:0}.cm-chessboard{width:100%!important;height:100%!important;touch-action:none;user-select:none}.cm-chessboard svg{display:block;width:100%;height:100%}.cm-chessboard.ravager-wood .board .square.white{fill:#ead5ad}.cm-chessboard.ravager-wood .board .square.black{fill:#a9663f}.cm-chessboard.ravager-wood.border-type-frame .board .border{fill:#542517;stroke:none}.cm-chessboard.ravager-wood.border-type-frame .board .border-inner{fill:#a9663f;stroke:#2d120b;stroke-width:.9%}.cm-chessboard.ravager-wood .coordinates{pointer-events:none;user-select:none}.cm-chessboard.ravager-wood .coordinates .coordinate{fill:#f0d8bb;font:700 3px DM Mono,monospace}.cm-chessboard .piece{will-change:transform}.cm-chessboard .pieces-layer{transform:translateZ(0)}.cm-chessboard-draggable-piece{z-index:1000;filter:drop-shadow(0 7px 5px #0004)}.cm-chessboard .markers .marker.marker-dot{fill:#111;opacity:.34}.cm-chessboard .markers .marker.marker-bevel{fill:#111;opacity:.32}.cm-chessboard .markers .marker.marker-frame-primary{stroke:#111;stroke-width:2px;opacity:.62}
@media(max-width:900px){.hero{display:block}.lede{margin-top:18px}.arena{grid-template-columns:1fr;max-width:680px;margin:auto}.panel{margin-top:5px}}
@media(max-width:520px){.topbar{height:54px;padding:0 13px}.shell{padding:22px 8px 38px}.source-link{font-size:8px}.hero{padding:0 5px;margin-bottom:18px}.hero h1{font-size:44px}.lede{font-size:12px;margin-top:13px}.arena{gap:8px}.player{height:46px;padding:0 3px}.panel{border-left:0;border-right:0}.moves{height:140px}.actions{grid-template-columns:1.35fr 1fr 1fr}.wood-board-shell{padding:7px}}