@font-face{font-family:IBM Plex Sans;font-weight:400 700;font-display:swap;src:url(./plex-sans-IvpUvPa2.woff2) format("woff2")}@font-face{font-family:IBM Plex Mono;font-weight:400;font-display:swap;src:url(./plex-mono-400-DMJ8VG8y.woff2) format("woff2")}@font-face{font-family:IBM Plex Mono;font-weight:500;font-display:swap;src:url(./plex-mono-500-DSY6xOcd.woff2) format("woff2")}@font-face{font-family:IBM Plex Mono;font-weight:600;font-display:swap;src:url(./plex-mono-600-BgSNZQsw.woff2) format("woff2")}:root{--paper: #f6f4ee;--grid: rgba(28, 34, 48, .038);--card: #ffffff;--sunk: #f1efe8;--ink: #1c2230;--ink-2: #3a4254;--muted: #6a7182;--line: #e2ded3;--line-strong: #cdc8ba;--blue: #1f5fbf;--blue-soft: #e8eff9;--green: #217a3c;--green-soft: #e7f3ea;--red: #b42323;--red-soft: #fbeceb;--amber: #a86b00;--amber-soft: #fbf1dc;--on-blue: #ffffff;--on-ink: #f6f4ee;--wire: #1c2230;--radius: 10px;--radius-sm: 6px;--shadow: 0 1px 2px rgba(28, 34, 48, .05);--shadow-hover: 0 1px 2px rgba(28, 34, 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.cell{display:inline-flex;align-items:center;justify-content:center}.cell.pending{background:var(--blue-soft);border:2px solid var(--blue)}.cell .dots{position:absolute;bottom:4px;left:0;right:0;display:flex;justify-content:center;gap:3px}.cell .dots i,.chip i{width:8px;height:8px;border-radius:50%;display:inline-block}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.chip{display:inline-flex;align-items:center;gap:6px;border:2px solid;border-radius:99px;background:var(--card);padding:2px 10px;font-size:.85rem}.chip.bad{background:var(--red-soft)}.choices{display:grid;gap:8px;grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}.choice{border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--card);padding:10px;min-height:48px;font-weight:600}.choice.picked{border-color:var(--blue);background:var(--blue-soft)}.choice.right{border-color:var(--green);background:var(--green-soft)}.choice.bad{border-color:var(--red);background:var(--red-soft)}.result{text-align:center;padding:40px 20px;margin-top:8px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.result h1{margin-top:0}.result .row{justify-content:center;margin-top:20px}.big-xp{font-family:var(--mono);font-size:2.6rem;font-weight:600;letter-spacing:-.03em;color:var(--ink);margin:.4rem 0 0}.banner{display:flex;width:fit-content;align-items:center;gap:8px;margin:8px auto;padding:8px 14px;border-radius:var(--radius-sm);background:var(--green-soft);color:var(--green);font-weight:500;font-size:.95rem}.badge-banner{background:var(--amber-soft);color:var(--ink)}.badge-banner .icon{color:var(--amber)}@media(max-width:520px){.levels{grid-template-columns:1fr}.cell{width:46px;height:46px}.xpbar{width:48px}.stats{gap:.8rem}.topic-card{grid-template-columns:1.8rem 1fr auto;gap:10px;padding:14px}.topic-card .topic-go{display:none}.tt th,.tt td{padding:2px 8px}.question{padding:16px}}.scratch-notes textarea:focus,.scratch-calc input:focus,.blank input:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px var(--blue-soft)}.expr-input input:focus{box-shadow:0 0 0 3px var(--blue-soft)}.chip .icon{opacity:.6}.part>.row{margin-top:14px}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:grid;place-items:center;padding:16px;background:#1c223066}.dialog{width:min(420px,100%);background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-hover);padding:20px}.dialog h2{margin:0 0 8px;font-size:1.15rem}.dialog p{margin:0;color:var(--ink-2)}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}