/**
 * DOYIL Theme - Products Page Styles
 *
 * Category filter pills, fixed-size 3-column card grid,
 * color variant swatches from gallery images.
 */

/* ========== Products Banner ========== */
.products-banner {
    position: relative;
    height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-dark);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--color-text-light);
    overflow: hidden;
}

.products-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
}

.products-banner__inner {
    position: relative;
    z-index: 1;
    max-width: 720px;
    width: 100%;
}

.products-banner__label {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent-wood-light);
    margin-bottom: var(--space-4);
    padding: var(--space-1) var(--space-3);
    border: 1px solid rgba(212, 188, 152, 0.25);
    border-radius: var(--radius-full);
}

.products-banner__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-bold);
    color: var(--color-text-light);
    line-height: 1.15;
    margin-bottom: var(--space-5);
}

.products-banner__desc {
    font-size: var(--text-lg);
    color: var(--color-text-light-dim);
    line-height: var(--leading-relaxed);
    max-width: 600px;
    margin: 0;
}

/* ========== Section Spacing ========== */
.section--filter {
    padding-top: var(--space-12);
    padding-bottom: 0;
}

.section--products {
    padding-top: var(--space-10);
}

/* ========== Category Filter Pills ========== */
.product-filter {
    margin-bottom: 0;
}

.product-filter__tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    justify-content: center;
}

.filter-tab {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    border: 1.5px solid transparent;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.filter-tab:hover {
    color: var(--color-accent-wood);
    border-color: var(--color-accent-wood);
    background: var(--color-bg-primary);
}

.filter-tab--active {
    background: var(--color-primary-dark);
    color: var(--color-text-light);
    border-color: var(--color-primary-dark);
}

.filter-tab--active:hover {
    color: var(--color-text-light);
    background: var(--color-accent-wood);
    border-color: var(--color-accent-wood);
}

.filter-tab__label {
    line-height: 1;
}

.filter-tab__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    font-size: 11px;
    font-weight: var(--font-semibold);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    line-height: 1;
}

.filter-tab--active .filter-tab__count {
    background: rgba(255, 255, 255, 0.2);
}

/* ========== Empty State ========== */
.empty-state {
    padding: var(--space-20) var(--space-6);
}

.empty-state h3 {
    font-size: var(--text-2xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
}

.empty-state p {
    color: var(--color-text-muted);
}

/* ========== Products Grid ========== */
.products-grid {
    display: grid;
    gap: var(--space-8);
}

.products-grid--4 {
    grid-template-columns: repeat(4, minmax(0, 300px));
    justify-content: center;
}

.products-grid--3 {
    grid-template-columns: repeat(3, minmax(0, 380px));
    justify-content: center;
}

/* ========== Product Card ========== */
.product-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg-primary);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border-light);
}

.product-card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
    border-color: transparent;
}

.product-card__link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.product-card__image {
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--color-bg-secondary);
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.product-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow), opacity 0.15s ease;
}

.product-card:hover .product-card__img {
    transform: scale(1.03);
}

.product-card__img--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg-secondary));
}

.product-card__placeholder-text {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-text-muted);
    opacity: 0.3;
    letter-spacing: 0.15em;
}

/* ========== Product Card Info ========== */
.product-card__info {
    padding: var(--space-4) var(--space-4) 0;
}

.product-card__title {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
    margin: 0;
    line-height: var(--leading-snug);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ========== Color Swatches ========== */
.product-card__swatches {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4) var(--space-4);
}

.product-card__swatch {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-border-light);
    background: var(--color-bg-secondary);
    cursor: pointer;
    padding: 0;
    overflow: hidden;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.product-card__swatch:hover {
    border-color: var(--color-accent-wood);
    transform: scale(1.12);
}

.product-card__swatch--active {
    border-color: var(--color-primary-dark);
    box-shadow: 0 0 0 2px var(--color-bg-primary), 0 0 0 4px var(--color-primary-dark);
}

.product-card__swatch-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-full);
}

/* ========== Product Detail ========== */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

/* ========== Product Gallery ========== */
.product-gallery__main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg-secondary);
    margin-bottom: var(--space-4);
}

.product-gallery__main-img {
    width: 100%;
    height: auto;
    display: block;
    transition: opacity 0.15s ease;
}

.product-gallery__thumbs {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.product-gallery__thumb {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color var(--transition-fast);
}

.product-gallery__thumb:hover,
.product-gallery__thumb--active {
    border-color: var(--color-accent-wood);
}

.product-gallery__thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========== Product Info ========== */
.product-info__model {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent-wood);
    margin-bottom: var(--space-2);
    padding: var(--space-1) var(--space-3);
    border: 1px solid rgba(184, 149, 106, 0.2);
    border-radius: var(--radius-full);
}

.product-info__title {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-5);
    line-height: var(--leading-tight);
}

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

.product-category-link {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--space-1) var(--space-3);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.product-category-link:hover {
    background: var(--color-accent-wood);
    color: var(--color-text-light);
}

.product-info__materials {
    margin-bottom: var(--space-6);
}

.product-info__description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-8);
}

/* ========== Product Specs ========== */
.product-specs {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-5) var(--space-6);
    margin-bottom: var(--space-8);
}

.product-specs__item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.product-specs__item:last-child {
    border-bottom: none;
}

.product-specs__label {
    color: var(--color-text-primary);
    font-weight: var(--font-semibold);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-specs__value {
    color: var(--color-text-primary);
    font-weight: var(--font-normal);
    font-size: var(--text-xs);
    text-align: right;
}

.product-specs__item--packaging {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
}

.product-specs__item--packaging .product-specs__label {
    margin-bottom: 0;
}

.product-specs__item--packaging .product-specs__value {
    text-align: left;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

.product-specs__item--packaging .product-specs__value {
    text-align: left;
    line-height: 1.7;
}

/* ========== Product Features ========== */
.product-features {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-8);
}

.product-features__title {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
    margin-bottom: var(--space-4);
}

.product-features__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product-features__item {
    position: relative;
    padding-left: var(--space-8);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
    line-height: var(--leading-relaxed);
}

.product-features__item:last-child {
    margin-bottom: 0;
}

.product-features__item::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(184, 149, 106, 0.12);
    border-radius: var(--radius-full);
    color: var(--color-accent-wood);
    font-size: 11px;
    font-weight: var(--font-bold);
    line-height: 1;
    margin-top: 2px;
}

/* ========== Product CTA ========== */
.product-info__cta {
    margin-top: var(--space-8);
}

.product-info__cta .btn {
    width: 100%;
}

/* ========== Product Tabs ========== */
.product-tabs__content {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.product-tab-section {
    margin-bottom: var(--space-12);
}

.product-tab-section h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 2px solid var(--color-accent-wood);
    display: inline-block;
}

.product-tab-content {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

/* ========== Product Navigation ========== */
.product-nav {
    padding: var(--space-5) 0;
    border-top: 1px solid var(--color-border-light);
    margin-top: var(--space-5);
}

.product-nav__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.product-nav__item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: inherit;
    transition: opacity var(--transition-fast);
}

.product-nav__item:hover {
    opacity: 0.7;
}

.product-nav__item--right {
    flex-direction: row-reverse;
    text-align: right;
}

.product-nav__image {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-bg-secondary);
}

.product-nav__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-nav__label {
    display: block;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-accent-wood);
    margin-bottom: var(--space-1);
}

.product-nav__title {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
    line-height: var(--leading-snug);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
    .products-grid--3 {
        grid-template-columns: repeat(2, minmax(0, 380px));
    }

    .products-grid--4 {
        grid-template-columns: repeat(2, minmax(0, 300px));
    }
}

@media (max-width: 768px) {
    .products-banner {
        padding: var(--space-16) 0 var(--space-12);
    }

    .products-banner__title {
        font-size: 1.75rem;
    }

    .products-banner__desc {
        font-size: var(--text-base);
    }

    .product-nav__image {
        width: 64px;
        height: 64px;
    }

    .product-filter__tabs {
        gap: var(--space-2);
        justify-content: flex-start;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: var(--space-2);
        scrollbar-width: none;
    }

    .product-filter__tabs::-webkit-scrollbar {
        display: none;
    }

    .filter-tab {
        flex-shrink: 0;
        white-space: nowrap;
    }

    .products-grid--3,
    .products-grid--4 {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .product-card__swatch {
        width: 24px;
        height: 24px;
    }
}

@media (max-width: 480px) {
    .products-grid--3,
    .products-grid--4 {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3);
    }

    .product-card__info {
        padding: var(--space-3) var(--space-3) 0;
    }

    .product-card__swatches {
        padding: var(--space-2) var(--space-3) var(--space-3);
    }

    .product-card__title {
        font-size: var(--text-xs);
    }
}