/* Product Detail — Korea Buyer */

.product-detail-page {
    padding: 32px 0 80px;
    background: var(--bg);
}

.product-detail-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.product-breadcrumb {
    font-size: 0.8125rem;
    color: var(--text-light);
    margin-bottom: 32px;
}

.product-breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.product-breadcrumb a:hover { color: var(--text); }

.product-main-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
    margin-bottom: 64px;
}

/* Gallery */
.product-gallery-section {
    position: sticky;
    top: 100px;
}

.product-slider {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-white);
    aspect-ratio: 4/5;
}

.slider-image {
    display: none;
    width: 100%;
    height: 100%;
}

.slider-image.show { display: block; }

.slider-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.9);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    z-index: 2;
    transition: var(--transition);
    box-shadow: var(--shadow-soft);
}

.slider-arrow:hover { background: #fff; }
.slider-arrow.left { left: 16px; }
.slider-arrow.right { right: 16px; }

.slider-thumbs {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.slider-thumb {
    flex: 0 0 72px;
    height: 72px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    opacity: 0.5;
    transition: var(--transition);
    border: 2px solid transparent;
}

.slider-thumb.active {
    opacity: 1;
    border-color: var(--text);
}

.slider-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.no-image-box {
    aspect-ratio: 4/5;
    border-radius: var(--radius-lg);
    background: linear-gradient(160deg, #ececec, #d8d8d8);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Product info */
.product-info-section {
    padding-top: 16px;
}

.product-cat-label {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-light);
    margin-bottom: 12px;
}

.product-main-title {
    font-family: var(--font-montserrat);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.product-main-price {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.product-short-text {
    font-family: var(--font-montserrat);
    color: var(--text-muted);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 28px;
}

.product-cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 16px 32px;
    background: var(--text);
    color: var(--bg-white);
    border-radius: var(--radius-pill);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    margin-bottom: 32px;
}

.product-cta-button:hover {
    background: #333;
    transform: translateY(-1px);
}

.product-youtube-video {
    margin-top: 32px;
}

.product-youtube-video h3 {
    font-family: var(--font-montserrat);
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.youtube-embed-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.youtube-embed {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.youtube-embed iframe {
    border-radius: var(--radius-md);
}

.video-caption {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 8px;
}

/* Description */
.product-full-desc-centered {
    max-width: 720px;
    margin: 0 auto 64px;
    padding: 48px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
}

.product-full-desc-centered h3 {
    font-family: var(--font-montserrat);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.product-full-desc-centered p,
.description-html-content {
    font-family: var(--font-montserrat);
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 0.9375rem;
}

/* Photo gallery */
.product-photo-gallery {
    margin-bottom: 64px;
}

.product-photo-gallery h3 {
    font-family: var(--font-montserrat);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.photo-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.gallery-thumbnail {
    border-radius: var(--radius-sm);
    overflow: hidden;
    aspect-ratio: 16/9;
}

.gallery-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-thumbnail:hover img { transform: scale(1.05); }

/* Reviews */
.reviews-section {
    max-width: 720px;
    margin: 0 auto;
    padding: 48px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
}

.reviews-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.reviews-header h2 {
    font-family: var(--font-montserrat);
    font-size: 1.5rem;
}

.review-card {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}

.review-card:last-child { border-bottom: none; }

.review-author {
    font-weight: 600;
    font-size: 0.9375rem;
    margin-bottom: 4px;
}

.review-stars {
    color: #f59e0b;
    font-size: 0.875rem;
    margin-bottom: 8px;
}

.review-text {
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.6;
}

.stars-row {
    display: flex;
    gap: 4px;
}

.star-label { cursor: pointer; }

.star-label input { display: none; }

.star-rating {
    font-size: 1.5rem;
    color: var(--border);
    transition: var(--transition);
}

.star-label input:checked ~ .star-rating,
.star-label:hover .star-rating { color: #f59e0b; }

.hint {
    display: block;
    padding: 0 24px 20px;
    font-size: 0.75rem;
    color: var(--text-light);
}

/* Related */
.related-section {
    max-width: var(--container);
    margin: 64px auto 0;
    padding: 0 24px;
}

.related-section h2 {
    font-family: var(--font-montserrat);
    font-size: 1.75rem;
    margin-bottom: 28px;
}

@media (max-width: 768px) {
    .product-main-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .product-gallery-section {
        position: static;
    }

    .product-full-desc-centered,
    .reviews-section {
        padding: 28px;
        margin-left: 16px;
        margin-right: 16px;
    }
}