/* productdetail.css - Extracted from productdetail.php */

/* Container */
.watch-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Breadcrumb */
.watch-breadcrumb {
    background: var(--clr-bg);
    padding: 1rem 0;
    border-bottom: 1px solid var(--clr-border);
}

.watch-breadcrumb-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.watch-breadcrumb-item {
    color: var(--clr-text-light);
    text-decoration: none;
    transition: var(--transition);
}

.watch-breadcrumb-item:hover {
    color: var(--clr-primary);
}

.watch-breadcrumb-separator {
    color: var(--clr-border);
}

.watch-breadcrumb-current {
    color: var(--clr-text);
    font-weight: 600;
}

/* Detail Section */
.watch-detail-section {
    padding: 2rem 0;
    background: var(--clr-white);
}

.watch-detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Images Column */
.watch-images-col {
    position: sticky;
    top: 1.25rem;
    height: fit-content;
}

.watch-main-image {
    position: relative;
    background: var(--clr-bg);
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid var(--clr-border);
    display: block;
    padding: 0 !important;
    overflow: hidden;
    line-height: 0;
}

.watch-main-img {
    object-fit: cover;
    object-position: center top;
}

.watch-discount-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: var(--clr-primary);
    color: var(--clr-white);
    padding: 0.375rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    font-weight: 700;
    z-index: 10;
}

.watch-thumbnails {
    display: flex;
    gap: 0.75rem;
}

.watch-thumb {
    border: 1px solid var(--clr-border);
    border-radius: 0.375rem;
    cursor: pointer;
    transition: var(--transition);
    background: var(--clr-white);
}

.watch-thumb:hover,
.watch-thumb.active {
    border-color: var(--clr-primary);
}

.watch-thumb img {
    object-fit: cover;
    object-position: center top;
}

/* Info Column */
.watch-info-col {
    padding: 0;
}

.watch-product-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--clr-text);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.watch-category-line {
    font-size: 0.875rem;
    color: var(--clr-text-light);
    margin-bottom: 0.75rem;
}

.watch-category-link {
    color: var(--clr-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.watch-category-link:hover {
    color: var(--clr-primary-d);
}

.watch-rating-line {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.watch-stars {
    display: flex;
    gap: 0.125rem;
}

.watch-stars i {
    color: #fbbf24;
    font-size: 0.875rem;
}

.watch-review-text {
    color: var(--clr-text-light);
    font-size: 0.875rem;
}

.watch-price-line {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem 0;
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
}

.watch-current-price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--clr-primary);
}

.watch-original-price {
    font-size: 1.125rem;
    color: var(--clr-text-light);
    text-decoration: line-through;
}

.watch-info-col .watch-short-desc {
    font-size: 0.938rem;
    line-height: 1.6;
    color: var(--clr-text-light);
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #fff;
    border: 2px dashed var(--clr-primary, #d50101);
    border-radius: 0.375rem;
    box-sizing: border-box;
    display: block;
}

.watch-short-desc p {
    margin: 0 0 0.5rem;
}

.watch-short-desc p:last-child {
    margin-bottom: 0;
}

/* Quantity Box */
.watch-quantity-box {
    margin-bottom: 1.25rem;
    padding: 1rem;
    background: var(--clr-bg);
    border-radius: 0.375rem;
    border: 1px solid var(--clr-border);
}

.watch-qty-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--clr-text);
    font-size: 0.875rem;
}

.watch-qty-controls {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--clr-border);
    border-radius: 0.375rem;
    background: var(--clr-white);
    margin-right: 1rem;
}

.watch-qty-btn {
    width: 2.25rem;
    height: 2.25rem;
    border: none;
    background: transparent;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--clr-text);
    cursor: pointer;
    transition: var(--transition);
}

.watch-qty-btn:hover:not(:disabled) {
    background: var(--clr-primary-light);
    color: var(--clr-primary);
}

.watch-qty-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.watch-qty-input {
    width: 3.5rem;
    height: 2.25rem;
    border: none;
    text-align: center;
    font-size: 0.938rem;
    font-weight: 600;
    -moz-appearance: textfield;
}

.watch-qty-input::-webkit-outer-spin-button,
.watch-qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.watch-stock-text {
    color: #16a34a;
    font-size: 0.813rem;
    font-weight: 500;
}

/* Button Group */
.watch-button-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.watch-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.375rem;
    font-size: 0.938rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.watch-btn-outline {
    background: var(--clr-white);
    color: var(--clr-primary);
    border: 1px solid var(--clr-primary);
}

.watch-btn-outline:hover {
    background: var(--clr-primary-light);
}

.watch-btn-solid {
    background: var(--clr-primary);
    color: var(--clr-white);
}

.watch-btn-solid:hover {
    background: var(--clr-primary-d);
}

.watch-out-of-stock .watch-stock-btn {
    width: 100%;
    padding: 0.75rem;
    background: var(--clr-border);
    color: var(--clr-white);
    border: none;
    border-radius: 0.375rem;
    font-size: 0.938rem;
    font-weight: 600;
    cursor: not-allowed;
}

/* Extra Actions */
.watch-extra-actions {
    display: flex;
    gap: 0.75rem;
}

.watch-extra-btn {
    flex: 1;
    padding: 0.625rem;
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: 0.375rem;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
    color: var(--clr-text-light);
}

.watch-extra-btn:hover {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
}

.watch-share-wrap {
    position: relative;
    flex: 1;
}

.watch-share-menu {
    position: absolute;
    right: 0;
    bottom: calc(100% + 8px);
    min-width: 180px;
    background: #fff;
    border: 1px solid var(--clr-border);
    border-radius: 0.5rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    padding: 0.375rem;
    z-index: 20;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.watch-share-menu[hidden] {
    display: none !important;
}

.watch-share-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: none;
    border-radius: 0.375rem;
    background: transparent;
    color: var(--clr-text);
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.2s ease;
}

.watch-share-item:hover {
    background: var(--clr-bg);
    color: var(--clr-text);
}

.watch-share-fb i {
    color: #1877f2;
}

.watch-share-zalo {
    font-weight: 700;
    color: #0068ff;
}

/* Tabs Section */
.watch-tabs-section {
    margin: 3rem 0;
    background: var(--clr-white);
}

.watch-tabs-nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--clr-border);
    margin-bottom: 1.5rem;
}

.watch-tab-btn {
    padding: 0.875rem 1.5rem;
    font-size: 0.938rem;
    font-weight: 600;
    color: var(--clr-text-light);
    cursor: pointer;
    border: none;
    background: transparent;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
}

.watch-tab-btn:hover {
    color: var(--clr-primary);
}

.watch-tab-btn.active {
    color: var(--clr-primary);
    border-bottom-color: var(--clr-primary);
}

.watch-tab-panel {
    display: none;
}

.watch-tab-panel.active {
    display: block;
}

.watch-description-text {
    font-size: 0.938rem;
    line-height: 1.7;
    color: var(--clr-text-light);
}

.watch-description-wrap {
    position: relative;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.watch-description-wrap.is-collapsed {
    max-height: 200px;
}

.watch-description-wrap.is-collapsed::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 64px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0), #fff);
    pointer-events: none;
}

.watch-description-wrap.is-expanded {
    max-height: none;
}

.watch-description-wrap.is-expanded::after {
    display: none;
}

.watch-desc-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    width: fit-content;
    margin: 0.875rem auto 0;
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--clr-border);
    border-radius: 0.375rem;
    background: var(--clr-white);
    color: var(--clr-primary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.watch-description-empty {
    color: var(--clr-text-light);
    font-size: 0.938rem;
    margin: 0;
}

.watch-desc-toggle:hover {
    border-color: var(--clr-primary);
    background: var(--clr-bg);
}

.watch-desc-toggle[hidden] {
    display: none !important;
}

.watch-desc-toggle.is-expanded i {
    transform: rotate(180deg);
}

.watch-desc-toggle i {
    transition: transform 0.2s ease;
}

/* Similar Products */
.watch-similar-products {
    margin-top: 3rem;
}

.watch-similar-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--clr-text);
    position: relative;
    display: inline-block;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid var(--clr-primary);
}

/* Products Grid */
.watch-products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.watch-product-card {
    background: var(--clr-white);
    border-radius: 0.5rem;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    cursor: pointer;
    border: 1px solid var(--clr-border);
}

.watch-product-card:hover {
    border-color: var(--clr-primary);
    box-shadow: 0 4px 16px rgba(var(--clr-primary-rgb), 0.18);
    transform: translateY(-2px);
}

.watch-product-img-wrapper {
    position: relative;
    background: var(--clr-bg);
    overflow: hidden;
}

.watch-product-img {
    transition: var(--transition);
}

.watch-product-card:hover .watch-product-img {
    transform: scale(1.05);
}

.watch-product-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.95);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
}

/* Chỉ hiện overlay trên desktop có chuột thật — tránh màn trắng khi nhấn giữ trên mobile */
@media (hover: hover) and (pointer: fine) {
    .watch-product-card:hover .watch-product-overlay {
        opacity: 1;
        pointer-events: auto;
    }
}

@media (hover: none), (pointer: coarse) {
    .watch-product-overlay {
        display: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
    }

    .watch-product-card:hover .watch-product-img,
    .watch-product-card:active .watch-product-img {
        transform: none;
    }

    .watch-product-img,
    .watch-main-img,
    .product-image,
    .product-image-link img {
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
        -webkit-tap-highlight-color: transparent;
    }
}

.watch-product-actions {
    display: flex;
    gap: 0.5rem;
}

.watch-action-form {
    display: inline;
}

.watch-action-btn {
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--clr-text);
    text-decoration: none;
}

.watch-action-btn:hover {
    background: var(--clr-primary);
    color: var(--clr-white);
    border-color: var(--clr-primary);
}

.watch-action-btn i,
.watch-action-btn span {
    font-size: 0.875rem;
}

.watch-product-info {
    padding: 1rem;
}

.watch-product-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--clr-text);
    margin-bottom: 0.5rem;
    height: 38px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.3;
}

.watch-product-link {
    color: var(--clr-text);
    text-decoration: none;
    transition: var(--transition);
}

.watch-product-link:hover {
    color: var(--clr-primary);
}

.watch-product-price {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.watch-price-current {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--clr-primary);
}

.watch-price-old {
    font-size: 0.875rem;
    color: var(--clr-text-light);
    text-decoration: line-through;
}

.watch-add-cart-btn {
    width: 100%;
    background: var(--clr-primary);
    color: var(--clr-white);
    padding: 0.625rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    border: none;
}

.watch-add-cart-btn:hover {
    background: var(--clr-primary-d);
}

.watch-add-cart-btn i {
    font-size: 0.875rem;
}

/* Responsive */
@media (min-width: 768px) {
    .watch-container {
        padding: 0 1.5rem;
    }

    .watch-products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.25rem;
    }

    .watch-product-info {
        padding: 1.25rem;
    }
}

@media (min-width: 1024px) {
    .watch-detail-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }

    .watch-products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1023px) {
    .watch-images-col {
        position: relative;
        top: 0;
    }
}

@media (max-width: 767px) {
    .watch-button-group {
        grid-template-columns: 1fr;
    }

    .watch-product-title {
        font-size: 1.25rem;
    }

    .watch-current-price {
        font-size: 1.5rem;
    }

    .watch-tabs-nav {
        gap: 0.5rem;
    }

    .watch-tab-btn {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .watch-container {
        padding: 0 0.75rem;
    }

    .watch-quantity-box {
        padding: 0.875rem;
    }

    .watch-product-title {
        font-size: 1.125rem;
    }

    .watch-current-price {
        font-size: 1.375rem;
    }

    .watch-btn {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
    }

    .watch-product-info {
        padding: 0.875rem;
    }

    .watch-product-name {
        font-size: 0.813rem;
        height: 35px;
    }

    .watch-price-current {
        font-size: 1rem;
    }

    .watch-add-cart-btn {
        font-size: 0.813rem;
        padding: 0.5rem 0.875rem;
    }

    .watch-action-btn {
        width: 36px;
        height: 36px;
    }

    .watch-action-btn i,
    .watch-action-btn span {
        font-size: 0.75rem;
    }

    .watch-discount-badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
}

@media (max-width: 374px) {
    .watch-products-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Variant Selectors ===== */
.watch-variant-selectors {
    margin: 1rem 0;
}
.watch-attr-group {
    margin-bottom: 0.875rem;
}
.watch-attr-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--clr-text);
    margin-bottom: 0.5rem;
}
.watch-attr-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.watch-opt-btn {
    padding: 0.35rem 0.9rem;
    border: 1px solid var(--clr-border);
    border-radius: 0.375rem;
    background: var(--clr-white);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--clr-text);
}
.watch-opt-btn:hover {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
}
.watch-opt-btn.selected {
    border-color: var(--clr-primary);
    background: var(--clr-primary);
    color: var(--clr-white);
    font-weight: 600;
}
.watch-opt-color {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.15s, border-color 0.15s;
    outline: none;
}
.watch-opt-color:hover {
    transform: scale(1.15);
    border-color: var(--clr-primary);
}
.watch-opt-color.selected {
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 2px var(--clr-white), 0 0 0 4px var(--clr-primary);
    transform: scale(1.1);
}
.watch-variant-note {
    margin-top: 0.5rem;
    font-size: 0.82rem;
    padding: 0.4rem 0.75rem;
    border-radius: 0.375rem;
}
.watch-variant-note.nota-ok {
    background: #d1fae5;
    color: #065f46;
}
.watch-variant-note.nota-err {
    background: #fee2e2;
    color: #991b1b;
}