.crumbs{margin-top:20px}.crumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0;font-size:.86rem;color:var(--mut)}.crumbs li+li:before{content:"/";margin-right:8px;color:var(--line-2)}.crumbs a{color:var(--fg-dim)}.crumbs a:hover{color:var(--white)}.crumbs [aria-current=page]{color:var(--fg)}.game-head{margin:10px 0 12px;display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 14px}.game-head h1{font-size:clamp(1.4rem,2.6vw,2rem)}.game-head p{margin:0;color:var(--fg-dim);max-width:60ch}.game-head .players-live{margin-left:auto}.chess-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.7fr);gap:var(--gap);align-items:start}.board-wrap{position:relative;border:1px solid var(--line);border-radius:var(--radius-lg);background:radial-gradient(120% 120% at 50% 0%,var(--ink-3),var(--ink-0) 70%);overflow:hidden;box-shadow:var(--shadow)}.scene{position:relative;width:100%;aspect-ratio:1 / 1;min-height:340px;touch-action:none}.scene canvas{position:absolute;inset:0;width:100%!important;height:100%!important;display:block}.noscript{position:absolute;inset:0;display:grid;place-items:center;text-align:center;color:var(--mut);padding:24px}.result-overlay{position:absolute;inset:0;display:grid;place-items:center;background:color-mix(in srgb,var(--ink-0) 72%,transparent);backdrop-filter:blur(6px);z-index:5}.result-overlay[hidden]{display:none}.result-card{text-align:center;border:1px solid var(--line-2);background:var(--ink-2);border-radius:var(--radius);padding:28px 34px;box-shadow:var(--shadow)}.result-card p{margin:0 0 16px;font-size:1.35rem;font-weight:800;letter-spacing:-.02em}.panel{display:flex;flex-direction:column;gap:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--ink-2);padding:18px}.status-bar{display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line);min-height:28px}.status-bar strong{font-size:1.02rem;letter-spacing:-.01em}.turn-dot{width:16px;height:16px;border-radius:50%;flex:0 0 auto;border:2px solid var(--line-2)}.turn-dot[data-turn=w]{background:var(--white);border-color:var(--white)}.turn-dot[data-turn=b]{background:#101012;border-color:var(--mut)}.thinking{display:none;gap:4px;margin-left:auto}.thinking.is-on{display:inline-flex}.thinking i{width:6px;height:6px;border-radius:50%;background:var(--mut);animation:blink 1s infinite ease-in-out both}.thinking i:nth-child(2){animation-delay:.16s}.thinking i:nth-child(3){animation-delay:.32s}@keyframes blink{0%,80%,to{opacity:.2;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}.controls{display:flex;flex-direction:column;gap:14px}.controls fieldset{border:0;margin:0;padding:0}.controls legend{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--mut);margin-bottom:7px}.seg{display:grid;grid-auto-flow:column;gap:6px;background:var(--ink-1);border:1px solid var(--line);border-radius:999px;padding:4px}.seg label{position:relative;text-align:center;border-radius:999px;padding:8px 6px;font-size:.9rem;font-weight:600;color:var(--fg-dim);cursor:pointer;transition:background .15s var(--ease),color .15s var(--ease)}.seg input{position:absolute;opacity:0;inset:0;cursor:pointer}.seg label:hover{color:var(--white)}.seg input:checked+span{color:var(--ink-0)}.seg label:has(input:checked){background:var(--white);color:var(--ink-0)}.seg input:focus-visible+span{text-decoration:underline}select#difficulty{width:100%;height:42px;padding:0 12px;background:var(--ink-1);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--fg);font:inherit;cursor:pointer}.btn-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.btn-row .btn{height:42px;padding:0 10px;font-size:.92rem}.mode-human .ai-only{display:none}.captured{display:flex;flex-direction:column;gap:6px;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cap-row{display:flex;align-items:center;gap:10px;min-height:26px}.cap-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--mut);width:76px;flex:0 0 auto}.cap-pieces{display:flex;flex-wrap:wrap;font-size:1.25rem;line-height:1;color:var(--fg)}.cap-pieces span{margin-right:-2px}.panel-h{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--mut);margin:0 0 8px}.move-list{list-style:none;margin:0;padding:0;max-height:220px;overflow-y:auto;font-family:var(--font-mono);font-size:.86rem}.move-list li{display:grid;grid-template-columns:34px 1fr 1fr;gap:6px;padding:4px 6px;border-radius:6px}.move-list li:nth-child(odd){background:var(--ink-1)}.move-list .mv-no{color:var(--mut)}.move-list .mv{color:var(--fg-dim)}.prose ol,.prose ul{padding-left:1.2em}.prose li{margin:6px 0}@media(max-width:900px){.chess-layout{grid-template-columns:1fr}.scene{aspect-ratio:4 / 3}}