/* Background (popup overlay) */
.backorder-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.backorder-popup .item-list{
    list-style: none;
}

/* Popup content box */
.backorder-popup-content {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    text-align: center;
    position: relative;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Close button */
.backorder-popup-close {
    position: absolute;
    top: 10px;
    right: 10px;
    cursor: pointer;
    font-size: 18px;
}

/* Buttons */
.backorder-popup-buttons {
    margin-top: 20px;
}

.backorder-popup-buttons .button {
    display: inline-block;
    padding: 10px 20px;
    margin: 5px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
}

/* Mobile-friendly popup */
@media (max-width: 480px) {
    .backorder-popup-content {
        width: 95%;
        padding: 15px;
    }
}