/* ==========================================================================
   KAMEU New - Single Product Page
   ========================================================================== */

.kn-single-product-page {
    padding: var(--kn-space-6) 0 var(--kn-space-16);
}

/* Product Detail Layout */
.kn-product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--kn-space-10);
    margin-bottom: var(--kn-space-12);
}

/* Gallery */
.kn-product-detail__gallery {
    position: sticky;
    top: calc(var(--kn-sticky-height, 60px) + var(--kn-space-4));
    align-self: start;
}

.kn-product-detail__gallery .woocommerce-product-gallery {
    width: 100% !important;
    margin: 0;
    padding: 0;
}

.kn-product-detail__gallery .woocommerce-product-gallery__wrapper {
    background: var(--kn-white);
    border-radius: var(--kn-radius-lg);
    overflow: hidden;
    box-shadow: var(--kn-shadow-card);
}

.kn-product-detail__gallery .woocommerce-product-gallery__image {
    margin: 0;
}

.kn-product-detail__gallery .woocommerce-product-gallery__image img {
    border-radius: var(--kn-radius-lg);
    width: 100%;
    height: auto;
    display: block;
}

.kn-product-detail__gallery .woocommerce-product-gallery__image a {
    display: block;
    cursor: zoom-in;
}

/* Gallery zoom trigger — hidden (zoom works on hover) */
.kn-product-detail__gallery .woocommerce-product-gallery__trigger {
    display: none;
}

/* Gallery thumbnails */
.kn-product-detail__gallery .flex-control-thumbs {
    display: flex;
    gap: var(--kn-space-2);
    margin-top: var(--kn-space-3);
    padding: 0;
    list-style: none;
}

.kn-product-detail__gallery .flex-control-thumbs li {
    flex: 0 0 auto;
    width: 72px;
    height: 72px;
    border-radius: var(--kn-radius-md);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color var(--kn-transition-fast);
}

.kn-product-detail__gallery .flex-control-thumbs li img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    transition: opacity var(--kn-transition-fast);
}

.kn-product-detail__gallery .flex-control-thumbs li img.flex-active,
.kn-product-detail__gallery .flex-control-thumbs li:hover img {
    opacity: 1;
}

.kn-product-detail__gallery .flex-control-thumbs li:has(img.flex-active) {
    border-color: var(--kn-secondary);
}

/* Summary */
.kn-product-detail__category {
    display: inline-block;
    font-size: var(--kn-text-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--kn-secondary);
    font-weight: var(--kn-weight-semibold);
    margin-bottom: var(--kn-space-2);
}

.kn-product-detail__title {
    font-size: var(--kn-text-3xl);
    font-weight: var(--kn-weight-bold);
    margin-bottom: var(--kn-space-4);
    line-height: var(--kn-leading-tight);
}

.kn-product-detail__rating {
    margin-bottom: var(--kn-space-4);
}

.kn-product-detail__price .price {
    font-family: var(--kn-font-heading);
    font-size: var(--kn-text-3xl);
    font-weight: var(--kn-weight-bold);
    color: var(--kn-secondary);
}

.kn-product-detail__price del {
    font-size: var(--kn-text-lg);
    color: var(--kn-old-price);
}

.kn-product-detail__price ins {
    text-decoration: none;
}

.kn-product-detail__price {
    margin-bottom: var(--kn-space-4);
    padding-bottom: var(--kn-space-4);
    border-bottom: 1px solid var(--kn-gray-100);
}

/* Stock */
.kn-product-detail__stock {
    margin-bottom: var(--kn-space-4);
}

.kn-stock {
    display: inline-flex;
    align-items: center;
    gap: var(--kn-space-2);
    font-size: var(--kn-text-sm);
    font-weight: var(--kn-weight-medium);
}

.kn-stock--in { color: var(--kn-in-stock); }
.kn-stock--out { color: var(--kn-out-of-stock); }

/* Excerpt */
.kn-product-detail__excerpt {
    margin-bottom: var(--kn-space-6);
    color: var(--kn-gray-600);
    line-height: var(--kn-leading-relaxed);
}

/* Add to Cart */
.kn-product-detail__add-to-cart {
    margin-bottom: var(--kn-space-6);
}

.kn-product-detail__add-to-cart .cart {
    display: flex;
    gap: var(--kn-space-3);
    align-items: center;
}

.kn-product-detail__add-to-cart .quantity {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--kn-gray-200);
    border-radius: var(--kn-radius-md);
    overflow: hidden;
}

.kn-product-detail__add-to-cart .quantity .qty {
    width: 60px;
    height: 48px;
    text-align: center;
    border: none;
    font-size: var(--kn-text-base);
    font-weight: var(--kn-weight-semibold);
    outline: none;
}

.kn-product-detail__add-to-cart .single_add_to_cart_button {
    flex: 1;
    height: 48px;
    padding: 0 var(--kn-space-8);
    background: var(--kn-secondary);
    color: var(--kn-white);
    border: none;
    border-radius: var(--kn-radius-md);
    font-size: var(--kn-text-base);
    font-weight: var(--kn-weight-bold);
    cursor: pointer;
    transition: background var(--kn-transition-fast);
}

.kn-product-detail__add-to-cart .single_add_to_cart_button:hover {
    background: var(--kn-secondary-dark);
}

/* WhatsApp Order Button */
.kn-product-detail__whatsapp {
    margin-bottom: var(--kn-space-4);
}

.kn-whatsapp-order {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--kn-space-3);
    width: 100%;
    padding: 14px var(--kn-space-6);
    background: #25D366;
    color: var(--kn-white);
    border: none;
    border-radius: var(--kn-radius-md);
    font-size: var(--kn-text-base);
    font-weight: var(--kn-weight-bold);
    cursor: pointer;
    transition: all var(--kn-transition-fast);
    text-decoration: none;
}

.kn-whatsapp-order:hover {
    background: #1da851;
    color: var(--kn-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

.kn-whatsapp-order svg {
    flex-shrink: 0;
}

/* Actions */
.kn-product-detail__actions {
    display: flex;
    gap: var(--kn-space-3);
    margin-bottom: var(--kn-space-6);
    flex-wrap: wrap;
}

/* Trust Indicators */
.kn-product-detail__trust {
    display: flex;
    flex-direction: column;
    gap: var(--kn-space-3);
    padding: var(--kn-space-4);
    background: var(--kn-gray-50);
    border-radius: var(--kn-radius-md);
    margin-bottom: var(--kn-space-6);
}

.kn-product-detail__trust-item {
    display: flex;
    align-items: center;
    gap: var(--kn-space-2);
    font-size: var(--kn-text-sm);
    color: var(--kn-gray-600);
}

/* Payment Methods */
.kn-product-detail__payments {
    margin-bottom: var(--kn-space-6);
    padding: var(--kn-space-4);
    background: var(--kn-white);
    border: 1px solid var(--kn-gray-100);
    border-radius: var(--kn-radius-md);
}

.kn-product-detail__payments-label {
    display: block;
    font-size: var(--kn-text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--kn-gray-500);
    font-weight: var(--kn-weight-semibold);
    margin-bottom: var(--kn-space-3);
}

.kn-product-detail__payments-logos {
    display: flex;
    flex-wrap: wrap;
    gap: var(--kn-space-2);
}

/* Payment Badges */
.kn-pay-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: var(--kn-radius-sm);
    font-size: 11px;
    font-weight: var(--kn-weight-bold);
    letter-spacing: 0.02em;
    border: 1px solid transparent;
}

.kn-pay-badge--momo {
    background: #ffcb05;
    color: #003d6b;
    border-color: #e6b800;
}

.kn-pay-badge--orange {
    background: #ff6600;
    color: var(--kn-white);
    border-color: #e65c00;
}

.kn-pay-badge--cod {
    background: var(--kn-gray-100);
    color: var(--kn-gray-700);
    border-color: var(--kn-gray-200);
}

/* Meta */
.kn-product-detail__meta {
    font-size: var(--kn-text-sm);
    color: var(--kn-gray-500);
}

.kn-product-detail__meta .sku_wrapper,
.kn-product-detail__meta .posted_in,
.kn-product-detail__meta .tagged_as {
    display: block;
    margin-bottom: var(--kn-space-1);
}

.kn-product-detail__meta a {
    color: var(--kn-secondary);
}

/* ── Specifications Table ── */
.kn-specs {
    margin-bottom: var(--kn-space-12);
    background: var(--kn-white);
    border-radius: var(--kn-radius-lg);
    padding: var(--kn-space-8);
    box-shadow: var(--kn-shadow-card);
}

.kn-specs__title {
    display: flex;
    align-items: center;
    gap: var(--kn-space-3);
    font-size: var(--kn-text-xl);
    font-weight: var(--kn-weight-bold);
    margin-bottom: var(--kn-space-6);
    padding-bottom: var(--kn-space-4);
    border-bottom: 2px solid var(--kn-gray-100);
}

.kn-specs__table {
    width: 100%;
    border-collapse: collapse;
}

.kn-specs__row {
    border-bottom: 1px solid var(--kn-gray-100);
}

.kn-specs__row:nth-child(even) {
    background: var(--kn-gray-50);
}

.kn-specs__label {
    padding: var(--kn-space-3) var(--kn-space-4);
    font-size: var(--kn-text-sm);
    font-weight: var(--kn-weight-semibold);
    color: var(--kn-gray-700);
    text-align: left;
    width: 35%;
}

.kn-specs__value {
    padding: var(--kn-space-3) var(--kn-space-4);
    font-size: var(--kn-text-sm);
    color: var(--kn-gray-600);
}

/* ── Product Data Tabs ── */
.kn-product-tabs {
    margin-bottom: var(--kn-space-12);
}

.kn-product-tabs .woocommerce-tabs .tabs {
    display: flex;
    gap: 0;
    list-style: none;
    padding: 0;
    margin: 0 0 var(--kn-space-6);
    border-bottom: 2px solid var(--kn-gray-100);
}

.kn-product-tabs .woocommerce-tabs .tabs li {
    margin-bottom: -2px;
}

.kn-product-tabs .woocommerce-tabs .tabs li a {
    display: block;
    padding: var(--kn-space-3) var(--kn-space-6);
    font-size: var(--kn-text-sm);
    font-weight: var(--kn-weight-semibold);
    color: var(--kn-gray-500);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all var(--kn-transition-fast);
}

.kn-product-tabs .woocommerce-tabs .tabs li a:hover {
    color: var(--kn-secondary);
}

.kn-product-tabs .woocommerce-tabs .tabs li.active a {
    color: var(--kn-secondary);
    border-bottom-color: var(--kn-secondary);
}

.kn-product-tabs .woocommerce-Tabs-panel {
    padding: var(--kn-space-6);
    background: var(--kn-white);
    border-radius: var(--kn-radius-lg);
    box-shadow: var(--kn-shadow-card);
}

/* ── Quick View Modal ── */
.kn-quick-view__body {
    padding: var(--kn-space-8);
}

.kn-quick-view__loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--kn-space-4);
    padding: var(--kn-space-16);
    color: var(--kn-gray-400);
}

.kn-quick-view__product {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--kn-space-8);
}

/* ── Related Products ── */
.kn-related-products {
    margin-top: var(--kn-space-12);
}

.kn-related-products h2 {
    font-size: var(--kn-text-2xl);
    font-weight: var(--kn-weight-bold);
    margin-bottom: var(--kn-space-6);
    text-align: center;
}

.kn-related-products ul.products {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--kn-space-4);
    list-style: none;
    padding: 0;
}

/* Compact cards in related products */
.kn-related-products .kn-product-card__image-wrap {
    aspect-ratio: 4 / 3;
}

.kn-related-products .kn-product-card__content {
    padding: var(--kn-space-3);
}

.kn-related-products .kn-product-card__title {
    font-size: var(--kn-text-xs);
    margin-bottom: var(--kn-space-1);
}

.kn-related-products .kn-product-card__price .woocommerce-Price-amount {
    font-size: var(--kn-text-base);
}

.kn-related-products .kn-product-card__category {
    font-size: 10px;
}

.kn-related-products .kn-product-card__add-to-cart .button,
.kn-related-products .kn-product-card__add-to-cart .add_to_cart_button {
    padding: var(--kn-space-2);
    font-size: var(--kn-text-xs);
}

/* ── Product Image Lightbox ── */
.kn-lightbox {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.kn-lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

.kn-lightbox__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.kn-lightbox__container {
    position: relative;
    width: 90vw;
    max-width: 800px;
    max-height: 90vh;
    background: var(--kn-white);
    border-radius: var(--kn-radius-lg);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform 0.25s ease;
}

.kn-lightbox.is-open .kn-lightbox__container {
    transform: scale(1);
}

.kn-lightbox__close {
    position: absolute;
    top: var(--kn-space-3);
    right: var(--kn-space-3);
    z-index: 3;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--kn-white);
    border: none;
    border-radius: var(--kn-radius-full);
    box-shadow: var(--kn-shadow-md);
    color: var(--kn-gray-600);
    cursor: pointer;
    transition: all var(--kn-transition-fast);
}

.kn-lightbox__close:hover {
    background: var(--kn-secondary);
    color: var(--kn-white);
}

.kn-lightbox__body {
    position: relative;
    display: flex;
    align-items: center;
    flex: 1;
    min-height: 0;
    padding: var(--kn-space-4);
}

.kn-lightbox__image-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    overflow: hidden;
}

.kn-lightbox__image {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: var(--kn-radius-md);
    user-select: none;
}

.kn-lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--kn-white);
    border: none;
    border-radius: var(--kn-radius-full);
    box-shadow: var(--kn-shadow-md);
    color: var(--kn-gray-700);
    cursor: pointer;
    z-index: 2;
    transition: all var(--kn-transition-fast);
}

.kn-lightbox__nav:hover {
    background: var(--kn-secondary);
    color: var(--kn-white);
}

.kn-lightbox__nav--prev {
    left: var(--kn-space-3);
}

.kn-lightbox__nav--next {
    right: var(--kn-space-3);
}

.kn-lightbox__nav[hidden] {
    display: none;
}

.kn-lightbox__thumbs {
    display: flex;
    gap: var(--kn-space-2);
    padding: 0 var(--kn-space-4) var(--kn-space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.kn-lightbox__thumb {
    width: 56px;
    height: 56px;
    border-radius: var(--kn-radius-sm);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    opacity: 0.5;
    transition: all var(--kn-transition-fast);
}

.kn-lightbox__thumb.is-active {
    border-color: var(--kn-secondary);
    opacity: 1;
}

.kn-lightbox__thumb:hover {
    opacity: 1;
}

.kn-lightbox__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.kn-lightbox__counter {
    text-align: center;
    padding-bottom: var(--kn-space-3);
    font-size: var(--kn-text-sm);
    color: var(--kn-gray-400);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 992px) {
    .kn-product-detail {
        grid-template-columns: 1fr;
        gap: var(--kn-space-6);
    }

    .kn-product-detail__gallery {
        position: static;
    }

    .kn-related-products ul.products {
        grid-template-columns: repeat(3, 1fr);
    }

    .kn-quick-view__product {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .kn-product-detail__title {
        font-size: var(--kn-text-2xl);
    }

    .kn-product-detail__price .price {
        font-size: var(--kn-text-2xl);
    }

    .kn-product-detail__add-to-cart .cart {
        flex-direction: column;
    }

    .kn-product-detail__add-to-cart .single_add_to_cart_button {
        width: 100%;
    }

    .kn-product-detail__actions {
        flex-direction: column;
    }

    .kn-product-detail__actions .kn-btn {
        width: 100%;
        justify-content: center;
    }

    .kn-related-products ul.products {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--kn-space-3);
    }

    .kn-lightbox__container {
        width: 96vw;
    }

    .kn-lightbox__nav {
        width: 36px;
        height: 36px;
    }

    .kn-lightbox__thumb {
        width: 44px;
        height: 44px;
    }
}