:root{--ink:#20211f;--muted:#666b65;--line:#d7d9d3;--paper:#f6f7f4;--green:#136e59;--red:#bd483d;--wood:#d9a85e;font-family:Inter,ui-sans-serif,system-ui,sans-serif;color:var(--ink)}*{box-sizing:border-box}body{margin:0;background:#fff}header{height:62px;padding:0 max(18px,calc((100vw - 1320px)/2));display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line)}header div{display:flex;align-items:center;gap:10px}.mark{display:grid;place-items:center;width:36px;height:36px;border-radius:5px;background:var(--ink);color:#fff;font-weight:800}header>span{color:var(--muted);font:12px ui-monospace,monospace}main{max-width:1320px;margin:auto;padding:28px 18px 64px}.game-head{display:flex;justify-content:space-between;align-items:end;gap:24px}h1{margin:0 0 8px;font-size:clamp(32px,4.3vw,58px);line-height:1;letter-spacing:0}h2{margin:0;font-size:17px}p{margin:0;color:var(--muted);line-height:1.5}.turn{min-width:190px;display:flex;align-items:center;gap:10px;padding:10px;border-left:3px solid var(--ink)}.turn small,.analysis small{display:block;color:var(--muted);font-size:11px;text-transform:uppercase}.stone{display:block;width:34px;height:34px;border-radius:50%;box-shadow:inset -4px -5px 7px #0004}.stone.black{background:#242522}.stone.white{background:#fff;border:1px solid #999}.controls{display:grid;grid-template-columns:1.2fr .8fr 1fr 2fr auto auto;gap:10px;align-items:end;margin-top:24px;padding:14px;border:1px solid var(--line);background:var(--paper)}label{display:grid;gap:6px;color:#555e57;font-size:12px;font-weight:750}input,select,button{min-height:39px;border:1px solid #bdc4bd;border-radius:5px;background:#fff;color:var(--ink);font:inherit}input,select{width:100%;padding:7px 9px}.check{display:flex;align-items:center;gap:8px;min-height:39px}.check input{width:17px;min-height:auto}button{padding:7px 12px;font-weight:750;cursor:pointer}.primary{color:#fff;border-color:var(--green);background:var(--green)}button:hover:not(:disabled){border-color:var(--green)}button:disabled{opacity:.45}.status{min-height:42px;padding:12px 2px;color:var(--muted)}.status.error{color:var(--red)}.workspace{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(320px,1fr);gap:18px}.board-panel{min-width:0;border:1px solid #7c6748;background:var(--wood)}#board{display:block;width:100%;aspect-ratio:1;background:var(--wood);touch-action:none}.analysis{border:1px solid var(--line);min-width:0}.analysis-head{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}.analysis-head div{padding:12px;border-right:1px solid var(--line)}.analysis-head div:last-child{border:0}.analysis-head strong{display:block;margin-top:4px;font:700 16px ui-monospace,monospace}.progress{height:5px;background:#e8ebe7}.progress div{height:100%;width:0;background:var(--green);transition:width .15s}.section-title{display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid var(--line)}.section-title span{font:11px ui-monospace,monospace;color:var(--muted)}.candidates{height:220px;overflow:auto}.candidates p{padding:14px}.candidate{display:grid;grid-template-columns:38px 1fr auto;gap:8px;padding:9px 14px;border-bottom:1px solid var(--line);font:12px ui-monospace,monospace}.candidate strong{font-size:13px}.candidate .bar{height:4px;margin-top:5px;background:#dce5e1}.candidate .bar i{display:block;height:100%;background:var(--green)}.pv{min-height:68px;padding:12px 14px;font:13px/1.7 ui-monospace,monospace;color:var(--muted)}.replay{display:grid;grid-template-columns:1fr auto 1fr 1fr;gap:6px;padding:12px 14px;border-block:1px solid var(--line)}.replay span{align-self:center;font-size:12px;color:var(--muted);white-space:nowrap}.rules{padding:14px}.rules dl{display:grid;grid-template-columns:95px 1fr;gap:8px;margin:12px 0 0;font-size:12px}.rules dt{font-weight:800}.rules dd{margin:0;color:var(--muted);line-height:1.4}footer{padding:22px;border-top:1px solid var(--line);text-align:center;color:var(--muted);font-size:13px}@media(max-width:950px){.controls{grid-template-columns:repeat(3,1fr)}.workspace{grid-template-columns:1fr}.analysis{display:grid;grid-template-columns:1fr 1fr}.analysis-head,.progress,.replay,.rules{grid-column:1/-1}}@media(max-width:620px){header>span{max-width:120px;text-align:right}.game-head{align-items:flex-start;flex-direction:column}.turn{min-width:0}.controls{grid-template-columns:1fr 1fr}.controls label:nth-child(1),.controls .check{grid-column:1/-1}.analysis{display:block}.replay{grid-template-columns:1fr 1fr}.replay span{grid-column:1/-1;grid-row:1}.board-panel{margin-inline:-18px;border-inline:0}.rules dl{grid-template-columns:82px 1fr}}