.s205-large .sg-piece{width:80%;font-size:clamp(23px,5.4vw,40px)}.s205-contrast .sg-board{filter:contrast(1.12)}.s205-contrast .sg-piece{background:#fff0ba;box-shadow:0 0 0 2px #fff,inset 0 0 0 2px rgba(0,0,0,.14)}.s205-reduced *{scroll-behavior:auto!important;animation:none!important;transition:none!important}.s205-hide-live #s205Live{display:none}.s205-codes .sg-piece{font-size:0}.s205-codes .sg-piece::after{content:attr(data-code);font:900 clamp(15px,3vw,25px)/1 ui-sans-serif,system-ui,sans-serif}.s205-codes .sg-piece.w::after{transform:rotate(180deg)}
.s205-lab{margin-top:14px}.s205-lab h2{margin:.1rem 0 .45rem}.s205-lab h3{margin:1rem 0 .45rem}.s205-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin:12px 0}.s205-grid>div{border:1px solid var(--line);border-radius:12px;background:var(--soft);padding:10px;min-width:0}.s205-grid small{display:block;color:var(--muted);font-size:.65rem;font-weight:850}.s205-grid strong{display:block;margin-top:4px;font-size:1rem;overflow-wrap:anywhere}.s205-live{border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--card);margin-top:10px}.s205-live p{margin:.35rem 0 0;color:var(--muted);font-size:.8rem;line-height:1.5}.s205-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.s205-tags span{border:1px solid var(--line);border-radius:999px;padding:5px 8px;font-size:.68rem;font-weight:800;background:var(--soft)}
.s205-review{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:12px}.s205-review-body{min-width:0}.s205-review-nav{display:flex;gap:6px}.s205-review-nav button{min-width:42px}.s205-history{display:grid;gap:7px}.s205-history>div{display:grid;grid-template-columns:1fr auto;gap:4px 10px;border-bottom:1px solid var(--line);padding:7px 0}.s205-history small{grid-column:1/-1;color:var(--muted)}
.s205-bench{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(260px,.7fr);gap:14px}.s205-question{border:1px solid var(--line);border-radius:14px;padding:14px;background:var(--soft)}.s205-question .eyebrow{font-size:.62rem}.s205-question h3{font-size:1.05rem;line-height:1.4}.s205-options{display:grid;gap:7px;margin-top:10px}.s205-options button{appearance:none;border:1px solid var(--line);border-radius:10px;background:var(--card);padding:10px 12px;text-align:left;font:inherit;font-weight:760;color:var(--text);cursor:pointer}.s205-options button:hover,.s205-options button:focus-visible{border-color:var(--accent)}.s205-options button.correct{border-color:#2f8f5b;background:#eefaf3}.s205-options button.wrong{border-color:#c84747;background:#fff1f1}.s205-explain{margin:.7rem 0 0;color:var(--muted);font-size:.78rem;line-height:1.5}.s205-side{display:grid;gap:10px;align-content:start}.s205-clean{border:1px solid var(--line);border-radius:12px;padding:12px}.s205-clean strong,.s205-clean small{display:block}.s205-clean small{color:var(--muted);margin-top:4px;line-height:1.45}.s205-controls{display:flex;flex-wrap:wrap;gap:7px;margin:9px 0}.s205-status{min-height:1.2em;color:var(--muted);font-size:.78rem}
.s205-interop{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:14px}.s205-interop textarea,.s205-backup{width:100%;min-height:100px;border:1px solid var(--line);border-radius:10px;padding:10px;background:var(--card);color:var(--text);font:12px/1.45 ui-monospace,SFMono-Regular,Menlo,monospace;resize:vertical}.s205-settings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.s205-settings label{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:10px;padding:9px;background:var(--soft);font-size:.78rem;font-weight:750}.s205-key{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin-top:10px}.s205-key span{border:1px solid var(--line);border-radius:10px;padding:8px;text-align:center;font-size:.72rem;background:var(--soft)}
@media(max-width:850px){.s205-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.s205-bench,.s205-interop{grid-template-columns:1fr}.s205-key{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.s205-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.s205-review{grid-template-columns:1fr}.s205-settings{grid-template-columns:1fr}.s205-controls .btn{flex:1 1 42%;padding:9px 8px}.s205-question{padding:11px}.s205-lab{margin-bottom:10px}}