:root{--navy:#16324f;--blue:#2364aa;--teal:#0f8a70;--orange:#d0712f;--rose:#c54b68;--bg:#f4f7fb;--card:#fff;--ink:#17243a;--muted:#637086;--line:#dbe5f1;--shadow:0 12px 30px rgba(22,50,79,.1)}
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    .canvas-card .body{padding:12px}.canvas-wrap{position:relative;min-height:610px;border-radius:14px;background:linear-gradient(180deg,rgba(35,100,170,.04),transparent),var(--card);overflow:hidden}canvas{width:100%;height:590px;display:block;cursor:grab;touch-action:none;user-select:none}canvas.dragging{cursor:grabbing}.question{position:absolute;left:22px;right:22px;bottom:16px;padding:12px 14px;border:1px solid rgba(208,113,47,.35);border-radius:13px;background:color-mix(in srgb,var(--card) 92%,#fff2e5);font-size:16px;font-weight:700;color:var(--orange);text-align:center;pointer-events:none}
    .formula{font-family:Georgia,"Times New Roman",serif;font-size:29px;text-align:center;padding:17px 8px;border:1px solid #bfd1e8;border-radius:14px;background:rgba(35,100,170,.06);margin-bottom:12px}.length-metrics{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin-top:14px}.length-card{padding:15px 9px;border:1px solid var(--line);border-radius:14px;background:rgba(15,138,112,.08);text-align:center}.length-card:nth-child(2){background:rgba(35,100,170,.07)}.length-card strong{display:block;color:var(--teal);font-size:18px;margin-bottom:10px}.length-card:nth-child(2) strong{color:var(--blue)}.length-card b{display:block;font-family:Georgia,"Times New Roman",serif;font-size:25px;color:var(--ink)}.length-card span{display:block;margin-top:7px;font-size:18px;font-variant-numeric:tabular-nums;color:var(--muted)}.takeaway{margin-top:14px;padding:14px;border:1px solid rgba(208,113,47,.35);border-radius:14px;background:rgba(208,113,47,.08);line-height:1.65}.hidden-conclusion{filter:blur(7px);user-select:none}.reveal{width:100%;margin-top:12px}body.focus .sidebar,body.focus .evidence{display:none}body.focus .layout{grid-template-columns:1fr}
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