/* ========================================
   상품 상세 페이지 스타일
   ======================================== */

.single-product-page {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
}

/* ========================================
   상품 상단 영역 (이미지 + 정보)
   ======================================== */

.product-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

/* ========================================
   2. 이미지 갤러리
   ======================================== */

.product-gallery {
    position: sticky;
    top: 100px;
}

.gallery-main {
    width: 100%;
    margin-bottom: var(--spacing-lg);
}

.gallery-main .image-container {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    background: var(--color-bg);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.gallery-main .main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center bottom;
    transition: transform 0.4s ease;
}

.gallery-main .image-container:hover .main-image {
    transform: scale(1.03);
}

.gallery-thumbs {
    display: flex;
    gap: var(--spacing-sm);
}

.thumb-item {
    width: 80px;
    height: 80px;
    padding: 0;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    background: none;
    transition: all 0.3s ease;
    opacity: 0.7;
}

.thumb-item:hover {
    opacity: 1;
    border-color: var(--color-text-light);
}

.thumb-item.active {
    opacity: 1;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(199, 133, 74, 0.15);
}

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

/* ========================================
   3. 상품 정보
   ======================================== */

.product-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.product-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.3;
}

/* 가격 */
.product-price {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.price-original {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    text-decoration: line-through;
}

.price-sale,
.price-current {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.price-discount {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
    background-color: #dc2626;
    border-radius: var(--radius-sm);
}

/* ========================================
   상품 속성 정보
   ======================================== */

.product-attributes-info {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-border);
}

.attr-row {
    display: flex;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 14px;
    line-height: 1.6;
}

.attr-row:last-child {
    margin-bottom: 0;
}

.attr-label {
    color: var(--color-text-light);
    flex-shrink: 0;
}

.attr-value {
    color: var(--color-text);
}

/* ========================================
   배송 정보 박스
   ======================================== */

.shipping-info-box {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-border);
}

.shipping-row {
    display: flex;
    gap: 12px;
    margin-bottom: 6px;
    font-size: 14px;
}

.shipping-row:last-child {
    margin-bottom: 0;
}

.shipping-label {
    font-weight: 600;
    color: var(--color-text);
    min-width: 70px;
}

.shipping-value {
    color: var(--color-text-light);
}

.shipping-value.highlight {
    color: var(--color-primary);
    font-weight: 500;
}

/* 짧은 설명 */
.product-excerpt {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.6;
}

/* 구매 영역 */
.product-purchase {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-lg);
}

/* 옵션 라벨 */
.option-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

/* 수량 선택 */
.quantity-selector {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.quantity-wrapper {
    display: flex;
    align-items: center;
    gap: 0;
    width: fit-content;
    border: 1px solid rgba(199, 133, 74, 0.3);
    border-radius: 8px;
    overflow: hidden;
}

.qty-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(199, 133, 74, 0.05);
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.qty-btn:hover {
    background: rgba(199, 133, 74, 0.15);
}

.qty-btn:active {
    transform: scale(0.95);
}

.qty-btn svg {
    width: 16px;
    height: 16px;
}

.qty-input {
    width: 80px;
    height: 50px;
    border: none;
    border-left: 1px solid rgba(199, 133, 74, 0.3);
    border-right: 1px solid rgba(199, 133, 74, 0.3);
    background: var(--color-white);
    color: var(--color-text);
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    outline: none;
    -moz-appearance: textfield;
    appearance: textfield;
}

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

/* ========================================
   액션 버튼 (3개 가로 배치)
   ======================================== */

.action-buttons {
    display: flex;
    gap: 10px;
    margin-top: var(--spacing-md);
}

.btn-action {
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

/* 구매하기 버튼 (파란색) */
.btn-action.btn-buy {
    flex: 1.2;
    background: #2563eb;
    color: var(--color-white);
    border: none;
}

.btn-action.btn-buy:hover {
    background: #1d4ed8;
}

/* 장바구니 버튼 (테두리) */
.btn-action.btn-cart {
    flex: 1;
    background: var(--color-white);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-action.btn-cart:hover {
    border-color: var(--color-text);
}

/* 찜하기 버튼 (하트 + 숫자) */
.btn-action.btn-wish {
    flex: 0 0 80px;
    background: var(--color-white);
    color: var(--color-text-light);
    border: 1px solid var(--color-border);
}

.btn-action.btn-wish svg {
    width: 20px;
    height: 20px;
}

.btn-action.btn-wish .wish-count {
    font-size: 14px;
}

.btn-action.btn-wish:hover {
    border-color: #ef4444;
    color: #ef4444;
}

.btn-action.btn-wish.active {
    border-color: #ef4444;
    color: #ef4444;
}

.btn-action.btn-wish.active svg path {
    fill: #ef4444;
    stroke: #ef4444;
}

/* 품절 버튼 */
.btn-action.btn-disabled {
    flex: 1;
    background: var(--color-bg);
    color: var(--color-text-light);
    cursor: not-allowed;
    border: 1px solid var(--color-border);
}

/* 추가 정보 */
.product-meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.meta-item {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.meta-label {
    color: var(--color-text-light);
    min-width: 80px;
}

.meta-value {
    color: var(--color-text);
}

.meta-value a {
    color: var(--color-text);
    text-decoration: none;
}

.meta-value a:hover {
    color: var(--color-primary);
}

/* ========================================
   4. 탭 영역
   ======================================== */

.product-tabs {
    border-top: 1px solid var(--color-border);
}

/* 탭 메뉴 */
.tabs-nav {
    display: flex;
    border-bottom: 1px solid var(--color-border);
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-light);
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover {
    color: var(--color-text);
}

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

.review-count {
    color: var(--color-primary);
}

/* 탭 콘텐츠 */
.tabs-content {
    padding: var(--spacing-2xl) 0;
}

.tab-panel {
    display: none;
}

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

/* 상세정보 탭 */
.product-description {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-text);
}

.product-description img {
    max-width: 100%;
    height: auto;
}

.no-content {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--color-text-light);
}

.product-attributes {
    margin-top: var(--spacing-2xl);
}

.product-attributes h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.attributes-table {
    width: 100%;
    border-collapse: collapse;
}

.attributes-table th,
.attributes-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.attributes-table th {
    width: 150px;
    font-weight: 500;
    color: var(--color-text-light);
    background-color: var(--color-bg);
}

/* 배송/환불 탭 공통 */
.shipping-info,
.refund-info {
    max-width: 800px;
}

.shipping-info h3,
.refund-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
}

.info-section {
    margin-bottom: var(--spacing-xl);
}

.info-section h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.info-section ul,
.info-section ol {
    padding-left: var(--spacing-lg);
}

.info-section li {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    line-height: 1.6;
}

.info-box {
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.info-box h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.info-box ul {
    padding-left: var(--spacing-lg);
    margin: 0;
}

.info-box li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

.info-box-success {
    background-color: #f0fdf4;
    border: 1px solid #22c55e;
}

.info-box-success h4 {
    color: #16a34a;
}

.info-box-danger {
    background-color: #fef2f2;
    border: 1px solid #ef4444;
}

.info-box-danger h4 {
    color: #dc2626;
}

.info-notice {
    padding: var(--spacing-md);
    background-color: var(--color-bg);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* 리뷰 탭 */
.reviews-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
}

.rating-average {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.rating-score {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
}

.rating-stars {
    display: flex;
    gap: 2px;
}

.star {
    font-size: var(--font-size-lg);
    color: #d1d5db;
}

.star.filled {
    color: #fbbf24;
}

.review-total {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.btn-write-review {
    padding: var(--spacing-sm) var(--spacing-xl);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-white);
    background-color: var(--color-primary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
}

.btn-write-review:hover {
    background-color: var(--color-accent);
}

/* 리뷰 목록 */
.reviews-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.review-item {
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.review-rating .star {
    font-size: var(--font-size-base);
}

.review-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.review-content {
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
}

.no-reviews {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--color-text-light);
}

/* 리뷰 작성 폼 */
.review-form-wrapper {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
}

.rating-select,
.review-textarea {
    margin-bottom: var(--spacing-lg);
}

.rating-select label,
.review-textarea label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.rating-select select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
}

.review-textarea textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-family: inherit;
    resize: vertical;
}

.btn-submit-review {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-white);
    background-color: var(--color-primary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit-review:hover {
    background-color: var(--color-accent);
}

/* ========================================
   반응형 - 태블릿
   ======================================== */

@media (max-width: 1024px) {
    .product-top {
        gap: var(--spacing-2xl);
    }

    .product-gallery {
        position: static;
    }
}

/* ========================================
   반응형 - 모바일
   ======================================== */

@media (max-width: 768px) {
    .single-product-page {
        padding: var(--spacing-lg) 0 var(--spacing-2xl);
    }

    .product-top {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    /* 이미지 갤러리 - 모바일 */
    .product-gallery {
        width: 100%;
        position: static;
    }

    .gallery-main {
        width: 100%;
        margin-bottom: var(--spacing-md);
    }

    .gallery-main .image-container {
        border-radius: 8px;
        aspect-ratio: 1 / 1;
    }

    .gallery-main .main-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .gallery-thumbs {
        display: flex;
        gap: var(--spacing-xs);
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
        -webkit-overflow-scrolling: touch;
    }

    .thumb-item {
        width: 60px;
        height: 60px;
        min-width: 60px;
        border-radius: 6px;
    }

    /* 상품 정보 - 모바일 */
    .product-info {
        width: 100%;
    }

    .product-title {
        font-size: var(--font-size-xl);
        word-break: keep-all;
    }

    .price-sale,
    .price-current {
        font-size: var(--font-size-xl);
    }

    .product-price {
        flex-wrap: wrap;
    }

    /* 속성 정보 */
    .product-attributes-info {
        padding: var(--spacing-md) 0;
    }

    .attr-row {
        flex-wrap: wrap;
    }

    /* 배송 정보 */
    .shipping-info-box {
        padding: var(--spacing-md) 0;
    }

    /* 수량 선택기 */
    .quantity-selector {
        width: 100%;
    }

    .qty-btn {
        width: 44px;
        height: 44px;
    }

    .qty-input {
        width: 60px;
        height: 44px;
    }

    /* 액션 버튼 */
    .action-buttons {
        flex-wrap: wrap;
        gap: 8px;
    }

    .btn-action {
        height: 46px;
        font-size: 14px;
    }

    .btn-action.btn-buy,
    .btn-action.btn-cart {
        flex: 1 1 calc(50% - 4px);
    }

    .btn-action.btn-wish {
        flex: 1 1 100%;
        order: 3;
    }

    /* 탭 영역 */
    .tabs-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .tab-btn {
        flex: none;
        white-space: nowrap;
        padding: var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    .tabs-content {
        padding: var(--spacing-xl) 0;
    }

    /* 리뷰 */
    .reviews-summary {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
        padding: var(--spacing-lg);
    }

    .rating-average {
        flex-direction: column;
    }

    /* 상품 설명 이미지 */
    .product-description img {
        width: 100%;
        height: auto;
    }
}

/* ========================================
   반응형 - 소형 모바일 (375px 이하)
   ======================================== */

@media (max-width: 375px) {
    .single-product-page {
        padding: var(--spacing-md) 0 var(--spacing-xl);
    }

    .product-title {
        font-size: 18px;
    }

    .price-sale,
    .price-current {
        font-size: 18px;
    }

    .price-original {
        font-size: var(--font-size-sm);
    }

    .btn-action {
        height: 42px;
        font-size: 13px;
    }

    .thumb-item {
        width: 50px;
        height: 50px;
        min-width: 50px;
    }
}