.product-img img {
    transition: opacity 0.3s ease;
}

.product-img img:last-child {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
}

.product-main:hover .product-img img:last-child {
    opacity: 1;
}

.product-main:hover .product-img img:first-child {
    opacity: 0;
}

.modal-product-validation-block {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all ease 0.4s;
    background: rgba(0, 0, 0, 0.6);
    z-index: 101;
}

.modal-product-validation-block:has(.modal-product-validation-main.open) {
    opacity: 1;
    visibility: visible;
}

.modal-product-validation-block .modal-product-validation-main {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translate(-50%, -100%);
    width: 100%;
    max-width: 540px;
    opacity: 0;
    visibility: hidden;
    transition: all ease 0.6s;
    background-color: var(--white, #fff);
}

.modal-product-validation-block .modal-product-validation-main.open {
    transform: translate(-50%, 0);
    opacity: 1;
    visibility: visible;
}

.choose-color .color-item.active,
.choose-size .size-item.active,
.choose-attribute .attribute-item.active {
    border-color: #000;
    box-shadow: 0 0 0 2px #000;
}

.white-popup {
    background: #fff;
    padding: 30px;
    max-width: 500px;
    margin: 40px auto;
    position: relative;
}

.attribute-item .tag-action {
    position: absolute;
    bottom: 110%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    pointer-events: none;
    transition: 0.2s;
}

.attribute-item:hover .tag-action {
    opacity: 1;
}

.modal-sizeguide-block {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9999;
    overflow-y: auto;
}

.modal-sizeguide-block.open {
    opacity: 1;
    visibility: visible;
}

.modal-sizeguide-block .modal-sizeguide-main {
    position: relative;
    width: 95%;
    top:0px;
    left:0px;
    max-width: 900px;
    margin: 40px auto;
    background: #fff;
    border-radius: 24px;
    padding: 24px;
    transform: translateY(30px);
    transition: all .3s ease;
}

.modal-sizeguide-block.open .modal-sizeguide-main {
    transform: translateY(0);
}

.modal-sizeguide-main .close-btn {
    position: absolute;
    top: 16px;
    right: 90%;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #f3f4f6;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all .2s ease;
}

.modal-sizeguide-main .close-btn:hover {
    background: #e5e7eb;
}

#dynamic-sizes {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

#dynamic-sizes .size-item.active {
    background: #000;
    color: #fff;
    border-color: #000;
}

#dynamic-table table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

#dynamic-table th,
#dynamic-table td {
    border: 1px solid #e5e7eb;
    padding: 12px;
    text-align: center;
}

#dynamic-table th {
    background: #f9fafb;
    font-weight: bold;
}

#dynamic-image img {
    width: 100%;
    border-radius: 16px;
    display: block;
}

body.overflow-hidden {
    overflow: hidden;
}

@media (max-width: 768px) {
    .modal-sizeguide-block .modal-sizeguide-main {
        width: 95%;
        padding: 18px;
        border-radius: 18px;
        margin: 20px auto;
    }
}

.attribute-item.is-out{
opacity:.5;
position:relative
}

.attribute-item.is-out::after{
    content:"✕";
    position: absolute;
    top: 64%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 44px;
    color: #ef4444;
    font-weight: bold;
}