/*
 * Form row primitive — label-above-input layout with helper + error slots.
 * Used by checkout, addresses, return_request, auth pages.
 */

.form-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-row .label {
    font-size: var(--text-label);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-text);
    font-weight: 600;
}

.form-row .label .required {
    color: var(--color-accent-soft);
    margin-left: var(--space-1);
}

.form-row .helper {
    font-size: var(--text-small);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.form-row .error {
    font-size: var(--text-small);
    color: var(--color-accent-soft);
    margin-top: var(--space-1);
}

.form-row .input.has-error,
.form-row select.has-error,
.form-row textarea.has-error {
    border-bottom-color: var(--color-accent-soft);
    border-bottom-width: 2px;
}

.form-row--inline {
    flex-direction: row;
    align-items: baseline;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.form-row--inline .label {
    flex-shrink: 0;
}

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

@media (max-width: 640px) {
    .form-grid-2,
    .form-grid-3 {
        grid-template-columns: 1fr;
    }
}