/* EC Shared Inventory storefront quantity validation */
.ecsi-quantity-error {
    display: none;
    width: 100%;
    box-sizing: border-box;
    margin: 12px 0 0;
    padding: 11px 14px;
    border: 1px solid #d63638;
    border-radius: 8px;
    background: #fff5f5;
    color: #8a1f1f;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
}
.ecsi-quantity-error.is-visible { display: block; }
form.cart input.qty.ecsi-qty-invalid {
    border-color: #d63638 !important;
    box-shadow: 0 0 0 1px #d63638 !important;
}
@media (max-width: 600px) {
    .ecsi-quantity-error {
        clear: both;
        margin-top: 10px;
        font-size: 14px;
        line-height: 1.45;
    }
}