/* Modal chọn biến thể storefront — shell + layout modal */

body.svm-open {
    overflow: hidden;
    touch-action: none;
}

.svm {
    position: fixed;
    inset: 0;
    z-index: 10050;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease, visibility 0.22s ease;
}

.svm.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.svm__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(2px);
}

.svm__panel {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 980px;
    max-height: 92vh;
    background: #fff;
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.18);
    transform: translateY(100%);
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.svm.is-open .svm__panel {
    transform: translateY(0);
}

.svm__close {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 6;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    cursor: pointer;
    color: #334155;
    font-size: 18px;
}

.svm__loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 220px;
    color: #64748b;
    font-size: 14px;
}

.svm__spinner {
    width: 32px;
    height: 32px;
    border: 3px solid #e2e8f0;
    border-top-color: var(--red, #e02424);
    border-radius: 50%;
    animation: svm-spin 0.8s linear infinite;
}

@keyframes svm-spin {
    to { transform: rotate(360deg); }
}

.svm__body {
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0;
}

/* Dùng lại style trang chi tiết (.content-detail-product trong product-page.css) */
.svm-modal-detail.content-detail-product {
    padding: 16px 16px 20px;
    background: #fff;
}

.svm-modal-detail .svm-product__layout {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.svm-modal-detail .svm-product__name {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.35;
    margin: 0 0 8px;
    color: #0f172a;
    padding-right: 36px;
}

.svm-modal-detail .svm-product__desc {
    font-size: 13px;
    color: #64748b;
    line-height: 1.5;
    margin-bottom: 4px;
}

.svm-modal-detail .product-detail-gallery-col {
    width: 100%;
}

.svm-modal-detail .detail-img {
    position: relative;
}

.svm-modal-detail .img-gally {
    margin-top: 10px;
}

.svm-modal-detail .product_detail-meta {
    margin-bottom: 4px;
}

.svm-modal-detail .price-detail {
    margin: 8px 0 4px;
}

.svm-modal-detail .select-variant-swatch {
    padding-top: 8px;
}

.svm-modal-detail .box-number-qty-detail {
    border-top: 1px solid #f1f5f9;
}

.svm-modal-detail .button-buy {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.svm-modal-detail .button-buy .buy-now {
    flex: 1 1 100%;
}

.svm-modal-detail .button-buy .installment {
    flex: 1 1 calc(50% - 5px);
}

.item-product .product-cart-btn.has-variants {
    cursor: pointer;
}

@media (min-width: 768px) {
    .svm {
        align-items: center;
        padding: 24px;
    }

    .svm__panel {
        border-radius: 16px;
        max-height: 88vh;
        transform: translateY(24px) scale(0.98);
    }

    .svm.is-open .svm__panel {
        transform: translateY(0) scale(1);
    }

    .svm-modal-detail.content-detail-product {
        padding: 20px 22px 24px;
    }

    .svm-modal-detail .svm-product__layout {
        flex-direction: row;
        align-items: flex-start;
        gap: 22px;
    }

    .svm-modal-detail .product-detail-gallery-col {
        flex: 0 0 42%;
        max-width: 380px;
    }

    .svm-modal-detail .product-detail-info-col {
        flex: 1;
        min-width: 0;
    }
}

@media (min-width: 1200px) {
    .svm__panel {
        max-width: 980px;
    }
}

@media (max-width: 767px) {
    .svm-modal-detail .button-buy .installment {
        flex: 1 1 100%;
    }

    .svm-modal-detail .img-gally .slick-list {
        margin: 0 -4px;
    }
}