.ocf-materials-calculator {
    background: var(--ocf-bg-alt);
    color: var(--ocf-body);
}

.ocf-materials-calculator__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
}

.ocf-materials-calculator__intro,
.ocf-materials-calculator__table-column {
    min-width: 0;
}

.ocf-materials-calculator__eyebrow {
    margin: 0 0 0.8rem;
    color: var(--ocf-primary);
    font-size: var(--font-label-size);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.ocf-materials-calculator__heading {
    margin: 0 0 1.1rem;
    color: var(--ocf-heading);
}

.ocf-materials-calculator__text {
    max-width: 48ch;
    margin: 0;
    font-size: var(--font-body-size);
    line-height: 1.7;
}

.ocf-materials-calculator__table-shell {
    overflow: hidden;
    border: var(--card-border-width) solid var(--card-border-color);
    border-radius: var(--card-radius);
    background: var(--ocf-bg);
}

.ocf-materials-calculator__table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.ocf-materials-calculator__table th,
.ocf-materials-calculator__table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--ocf-border-light);
    vertical-align: top;
    line-height: 1.45;
}

.ocf-materials-calculator__table th:first-child {
    width: 62%;
}

.ocf-materials-calculator__table thead {
    background: color-mix(in srgb, var(--ocf-primary) 8%, var(--ocf-bg));
}

.ocf-materials-calculator__table th {
    color: var(--ocf-heading);
    font-size: var(--font-label-size);
    font-weight: var(--font-weight-bold);
}

.ocf-materials-calculator__table td {
    color: var(--ocf-body);
    font-size: var(--font-label-size);
}

.ocf-materials-calculator__table tbody tr:last-child td {
    border-bottom: 0;
}

.ocf-materials-calculator__note {
    margin: 0.85rem 0 0;
    color: var(--ocf-body);
    font-size: var(--font-label-size);
    line-height: 1.5;
}

.ocf-materials-calculator__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: clamp(1.5rem, 3vw, 2rem);
}

@media (max-width: 800px) {
    .ocf-materials-calculator__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 420px) {
    .ocf-materials-calculator__table th,
    .ocf-materials-calculator__table td {
        padding: 0.75rem 0.65rem;
    }
}