/* =============================================
   Binomial Coefficient Calculator Styles
   ============================================= */

.calculator-section {
    margin-bottom: 1.5rem;
}

.calculator-label {
    display: block;
    margin-bottom: 0.25rem;
}

.calculator-input-wrapper {
    --input-action-gap: 0.5rem;
    margin: 0 auto;
    max-width: 320px;
}

.calculator-input {
    width: 100%;
    max-width: 320px;
    padding: 0.5rem;
    margin-bottom: 0;
}

.calculator-copy-btn {
    padding: 0.35rem 0.75rem;
    border-radius: 12px;
    min-width: 2.25rem;
    box-sizing: border-box;
}

.calculator-copy-icon {
    width: 1rem;
    height: 1rem;
    display: block;
}

.calculator-copy-btn.copied {
    background-color: var(--color-accent);
    color: #fff;
    border-color: transparent;
}

.clear-btn {
    margin-top: 1.5rem;
    width: 100%;
    max-width: 320px;
}

@media (max-width: 480px) {
    .calculator-copy-btn {
        min-width: 2rem;
        min-height: 2rem;
    }
}