/* Disabled actions remain visible while field errors explain what needs attention. */
[data-form-validation] button[type="submit"]:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    box-shadow: none;
}
.form-field-error {
    color: #9d321c;
    font-size: 0.75rem;
    line-height: 1.5;
    margin-top: 0.4rem;
}
.form-field-error[hidden] {
    display: none;
}
[data-form-validation] [aria-invalid="true"],
[data-checkout-submit] [aria-invalid="true"] {
    border-color: #c23c1a;
}