.input-lg{font-size: 1.3rem;font-weight: 700;text-align: center}.bk-coefs{grid-template-columns: repeat(3,minmax(0,1fr)) !important}.bk-eq{margin: 0;text-align: center;font: 700 1.6rem/1.3 "Cambria Math",Cambria,Georgia,serif}.bk-raizes{font-size: clamp(1.3rem,5cqi,2rem)}.bk-passos{margin: 0;padding-left: 1.3em;display: grid;gap: 6px;line-height: 1.5}.bk-graf{width: 100%;height: auto;border: 1px solid var(--border);border-radius: var(--radius-sm);background: var(--surface)}.bk-eixo{stroke: var(--text-3);stroke-width: 1}.bk-curva{fill: none;stroke: var(--brand);stroke-width: 2.5}.bk-raiz{fill: #dc2626}.bk-vert{fill: #16a34a}