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.x203-lab{margin-top:14px}.x203-lab h2{margin:.1rem 0 .45rem}.x203-lab h3{margin:1rem 0 .45rem}.x203-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin:12px 0}.x203-grid>div{border:1px solid var(--line);border-radius:12px;background:var(--soft);padding:10px;min-width:0}.x203-grid small{display:block;color:var(--muted);font-size:.65rem;font-weight:850}.x203-grid strong{display:block;margin-top:4px;font-size:1rem;overflow-wrap:anywhere}.x203-live{border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--card);margin-top:10px}.x203-live p{margin:.35rem 0 0;color:var(--muted);font-size:.8rem;line-height:1.5}.x203-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.x203-tags span{border:1px solid var(--line);border-radius:999px;padding:5px 8px;font-size:.68rem;font-weight:800;background:var(--soft)}
.x203-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}.x203-review-body{min-width:0}.x203-review-nav{display:flex;gap:6px}.x203-review-nav button{min-width:42px}.x203-history{display:grid;gap:7px}.x203-history>div{display:grid;grid-template-columns:1fr auto;gap:4px 10px;border-bottom:1px solid var(--line);padding:7px 0}.x203-history small{grid-column:1/-1;color:var(--muted)}
.x203-bench{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(260px,.7fr);gap:14px}.x203-question{border:1px solid var(--line);border-radius:14px;padding:14px;background:var(--soft)}.x203-question .eyebrow{font-size:.62rem}.x203-question h3{font-size:1.05rem;line-height:1.4}.x203-options{display:grid;gap:7px;margin-top:10px}.x203-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}.x203-options button:hover,.x203-options button:focus-visible{border-color:var(--accent)}.x203-options button.correct{border-color:#2f8f5b;background:#eefaf3}.x203-options button.wrong{border-color:#c84747;background:#fff1f1}.x203-explain{margin:.7rem 0 0;color:var(--muted);font-size:.78rem;line-height:1.5}.x203-side{display:grid;gap:10px;align-content:start}.x203-clean{border:1px solid var(--line);border-radius:12px;padding:12px}.x203-clean strong,.x203-clean small{display:block}.x203-clean small{color:var(--muted);margin-top:4px;line-height:1.45}.x203-controls{display:flex;flex-wrap:wrap;gap:7px;margin:9px 0}.x203-status{min-height:1.2em;color:var(--muted);font-size:.78rem}
.x203-fen{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:14px}.x203-fen textarea,.x203-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}.x203-settings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.x203-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}.x203-piece-key{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px;margin-top:10px}.x203-piece-key span{border:1px solid var(--line);border-radius:10px;padding:8px;text-align:center;font-size:.72rem;background:var(--soft)}
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@media(max-width:600px){.x203-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.x203-review{grid-template-columns:1fr}.x203-review-nav{justify-content:flex-start}.x203-settings{grid-template-columns:1fr}.x203-piece-key{grid-template-columns:repeat(2,minmax(0,1fr))}.x203-controls .btn{flex:1 1 42%;padding:9px 8px}.x203-question{padding:11px}.x203-lab{margin-bottom:10px}}