.polynomials-area-model__grid{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:4px;max-width:320px;margin:0 auto;aspect-ratio:1}.polynomials-area-model__cell{display:flex;align-items:center;justify-content:center;min-height:72px;border-radius:6px;font-family:var(--mono);font-size:.85rem;font-weight:600}.polynomials-area-model__cell--ac{background:rgba(37,99,235,.15)}.polynomials-area-model__cell--ad{background:rgba(74,107,74,.2)}.polynomials-area-model__cell--bc{background:rgba(154,107,46,.2)}.polynomials-area-model__cell--bd{background:rgba(220,38,38,.12)}.polynomials-factor-checker__feedback{margin-top:12px;padding:12px 14px;border-radius:8px;border:1px solid var(--line);font-size:.9rem}.polynomials-factor-checker__feedback--correct{border-color:#16a34a;background:rgba(22,163,74,.08)}.polynomials-factor-checker__feedback--incorrect{border-color:#dc2626;background:rgba(220,38,38,.06)}.polynomials-factor-checker__steps{margin:8px 0 0;padding-left:1.2rem;color:var(--soft-ink)}.polynomials-factor-checker__input{width:100%;max-width:420px;padding:8px 12px;font-family:var(--mono);font-size:.9rem;border:1px solid var(--line);border-radius:8px;background:var(--card-bg);color:var(--ink)}