/* Product Detail Page */
.product-detail {
    display: grid;
    grid-template-columns: 2fr 1fr;
    min-height: 100vh;
    padding-top: 100px;
}

/* Left: Product Gallery - 스크롤됨 */
.product-gallery {
    padding: 2rem 3rem 3rem 3rem;
}

.gallery-images {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.gallery-images img {
    width: 100%;
    height: auto;
    display: block;
}

/* Mobile Thumbnails - 기본은 숨김 */
.mobile-thumbnails {
    display: none;
}

/* Right: Product Information - 고정됨 */
.product-info {
    padding: 2rem 3rem 3rem 3rem;
    background-color: var(--warm-white);
    position: sticky;
    top: 100px;
    height: fit-content;
    align-self: start;
}

.product-info-inner {
    max-width: 500px;
}

.product-title {
    font-family: 'Newsreader', serif;
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.product-price {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 3rem;
}

.product-description h2,
.product-measurements h2,
.product-options h2 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.product-description {
    margin-bottom: 3rem;
    line-height: 1.8;
}

.product-description p {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Measurements */
.product-measurements {
    margin-bottom: 3rem;
}

.product-measurements ul {
    list-style: none;
}

.product-measurements li {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.product-measurements .label {
    color: var(--text-secondary);
}

.product-measurements .value {
    color: var(--text-primary);
    font-weight: 500;
}

/* Finish Options */
.product-options {
    margin-bottom: 3rem;
}

.finish-options {
    display: flex;
    gap: 1rem;
}

.finish-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.finish-option:hover {
    border-color: var(--text-secondary);
}

.finish-option.active {
    border-color: var(--brand-yellow);
}

.finish-swatch {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.finish-option span {
    font-size: 0.85rem;
    color: var(--text-primary);
    text-align: center;
}

/* Product Actions */
.product-actions {
    margin-bottom: 2rem;
}

.quantity-selector {
    margin-bottom: 1.5rem;
}

.quantity-selector label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.8rem;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: fit-content;
}

.qty-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--text-primary);
    background: white;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.qty-btn:hover {
    background: var(--text-primary);
    color: white;
}

#quantity {
    width: 60px;
    height: 40px;
    text-align: center;
    border: 1px solid var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
}

.add-to-cart-btn,
.contact-btn {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    margin-bottom: 1rem;
}

.add-to-cart-btn {
    background-color: var(--brand-yellow);
    color: var(--text-primary);
}

.add-to-cart-btn:hover {
    background-color: var(--wood-tone);
}

.contact-btn {
    background-color: transparent;
    border: 2px solid var(--text-primary);
    color: var(--text-primary);
}

.contact-btn:hover {
    background-color: var(--text-primary);
    color: white;
}

/* Product Note */
.product-note {
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.product-note p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.product-note a {
    color: var(--text-primary);
    text-decoration: underline;
}

.product-note a:hover {
    color: var(--brand-yellow);
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .product-detail {
        padding-top: 90px;
    }

    .product-gallery,
    .product-info {
        padding: 2rem;
    }
}

/* Responsive - Mobile (갤러리 형식) */
@media (max-width: 768px) {
    .product-detail {
        grid-template-columns: 1fr;
        padding-top: 80px;
    }

    .product-gallery {
        position: static;
        padding: 1.5rem;
    }

    /* 모바일 갤러리: 첫 이미지만 크게 보이기 */
    .gallery-images {
        gap: 0;
    }

    .gallery-images img {
        display: none;
    }

    .gallery-images img:first-child {
        display: block;
        margin-bottom: 1rem;
    }

    /* 모바일 썸네일 그리드 */
    .mobile-thumbnails {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 0.5rem;
    }

    .mobile-thumbnails img {
        width: 100%;
        aspect-ratio: 1/1;
        object-fit: cover;
        cursor: pointer;
        opacity: 0.6;
        transition: opacity 0.3s ease;
    }

    .mobile-thumbnails img:hover,
    .mobile-thumbnails img.active {
        opacity: 1;
    }

    .product-info {
        padding: 2rem 1.5rem;
        position: static;
    }

    .product-info-inner {
        max-width: 100%;
    }

    .product-title {
        font-size: 2rem;
    }

    .product-price {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }

    .finish-options {
        flex-wrap: wrap;
    }

    .finish-swatch {
        width: 40px;
        height: 40px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .product-gallery,
    .product-info {
        padding: 1rem;
    }

    .product-title {
        font-size: 1.8rem;
    }

    .product-price {
        font-size: 1.3rem;
    }

    .mobile-thumbnails {
        grid-template-columns: repeat(3, 1fr);
    }
}