.itmzc-wrap {
    padding: 10px;
    border: 1px solid #eee;
    border-radius: 8px;
    margin: 12px 0;
    background: #fafafa;
}
.itmzc-form {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}
.itmzc-zip {
    max-width: 120px;
}
.itmzc-btn {
    cursor: pointer;
}
.itmzc-msg {
    margin-left: 4px;
}
.itmzc-msg.ok {
    color: #2e7d32;
}
.itmzc-msg.err {
    color: #c62828;
}

/* Vizuálna väzba checker ↔ košík */
form.cart .single_add_to_cart_button.itmzc-disabled {
    opacity: 0.5;
    pointer-events: none;
    cursor: not-allowed;
}

/* Popup / Modal */
.itmzc-modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}
.itmzc-modal.is-open {
    display: flex;
}
.itmzc-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.45);
}
.itmzc-dialog {
    position: relative;
    background: #fff;
    border-radius: 12px;
    max-width: 520px;
    width: 92%;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.itmzc-title {
    margin: 0 0 8px 0;
}
.itmzc-close {
    position: absolute;
    top: 8px;
    right: 10px;
    border: 0;
    background: transparent;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}
@media (prefers-reduced-motion: no-preference) {
    .itmzc-dialog {
        transform: translateY(10px);
        opacity: 0;
        transition: transform .18s ease, opacity .18s ease;
    }
    .itmzc-modal.is-open .itmzc-dialog {
        transform: translateY(0);
        opacity: 1;
    }
}