/**
 * adj_shop 쇼핑몰 공통 스타일
 * 반응형 디자인 (Mobile First)
 */

/* ============================================================
   CSS 변수 (디자인 토큰)
   ============================================================ */
:root {
    /* 색상 */
    --color-primary: #c9a96e;
    --color-primary-dark: #b08d4f;
    --color-primary-light: #e8d5b0;
    --color-secondary: #333333;
    --color-accent: #e74c3c;
    
    /* 텍스트 */
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-muted: #999999;
    --color-text-white: #ffffff;
    
    /* 배경 */
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-bg-gray: #f5f5f5;
    --color-bg-dark: #333333;
    
    /* 테두리 */
    --color-border: #e5e5e5;
    --color-border-light: #f0f0f0;
    
    /* 상태 */
    --color-success: #27ae60;
    --color-warning: #f39c12;
    --color-error: #e74c3c;
    --color-info: #3498db;
    
    /* 그림자 */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    
    /* 간격 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* 폰트 */
    --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
    --font-size-xs: 11px;
    --font-size-sm: 13px;
    --font-size-md: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 20px;
    --font-size-3xl: 24px;
    
    /* 라운드 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* 트랜지션 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.35s ease;
    
    /* 레이아웃 */
    --header-height: 60px;
    --header-height-mobile: 56px;
    --footer-height: auto;
    --max-width: 1280px;
    --sidebar-width: 260px;
}

/* ============================================================
   리셋 및 기본 스타일
   ============================================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
    outline: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    outline: none;
}

ul, ol {
    list-style: none;
}

/* ============================================================
   레이아웃
   ============================================================ */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.page-content {
    flex: 1;
    padding-top: var(--header-height-mobile);
}

@media (min-width: 768px) {
    .page-content {
        padding-top: var(--header-height);
    }
}

/* ============================================================
   헤더
   ============================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height-mobile);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border-light);
    z-index: 1000;
    transition: box-shadow var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.header-logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.header-logo img {
    height: 28px;
}

.header-nav {
    display: none;
    gap: var(--spacing-xl);
}

.header-nav a {
    font-size: var(--font-size-md);
    font-weight: 500;
    color: var(--color-text);
    padding: var(--spacing-sm) 0;
    position: relative;
}

.header-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-normal);
}

.header-nav a:hover::after,
.header-nav a.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
    position: relative;
}

.header-icon-btn:hover {
    background: var(--color-bg-gray);
}

.header-icon-btn svg {
    width: 22px;
    height: 22px;
    stroke: var(--color-text);
}

.header-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    background: var(--color-accent);
    color: var(--color-text-white);
    font-size: 10px;
    font-weight: 600;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 햄버거 메뉴 */
.header-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.header-menu-btn span {
    width: 20px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-fast);
}

@media (min-width: 768px) {
    .header {
        height: var(--header-height);
    }
    
    .header-logo img {
        height: 32px;
    }
    
    .header-nav {
        display: flex;
    }
    
    .header-menu-btn {
        display: none;
    }
}

/* ============================================================
   PC 메가메뉴 (카테고리 드롭다운)
   ============================================================ */
.header-nav-item {
    position: relative;
    display: flex;
    align-items: center;
}

.header-nav-item > a {
    font-size: var(--font-size-md);
    font-weight: 500;
    color: var(--color-text);
    padding: var(--spacing-sm) 0;
    position: relative;
}

.mega-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 500px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    z-index: 1000;
}

.header-nav-item:hover .mega-menu {
    display: block;
}

.mega-menu-inner {
    width: 100%;
}

.mega-menu-columns {
    display: flex;
    gap: var(--spacing-xl);
}

.mega-menu-column {
    min-width: 120px;
}

.mega-menu-title {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
}

.mega-menu-title:hover {
    color: var(--color-primary);
}

.mega-menu-sub {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mega-menu-sub li {
    margin-bottom: var(--spacing-xs);
}

.mega-menu-sub a {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    padding: 4px 0;
    transition: color var(--transition-fast);
}

.mega-menu-sub a:hover {
    color: var(--color-primary);
}

.mega-menu-sub a::after {
    display: none !important;
}

.mega-menu-sub-depth {
    list-style: none;
    padding: 0 0 0 var(--spacing-md);
    margin: 0;
}

.mega-menu-sub-depth a {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

.mega-menu-empty {
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* 모바일에서 메가메뉴 숨김 */
@media (max-width: 767px) {
    .mega-menu {
        display: none !important;
    }
}

/* ============================================================
   모바일 사이드메뉴 카테고리 목록
   ============================================================ */
.mobile-category-list {
    padding: 0 var(--spacing-md);
}

.mobile-category-item {
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-category-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.mobile-category-arrow {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.mobile-category-item.open .mobile-category-arrow {
    transform: rotate(180deg);
}

.mobile-category-sub {
    padding-bottom: var(--spacing-sm);
}

.mobile-category-sub-link {
    display: block;
    padding: 6px 0 6px var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.mobile-category-sub-link:hover {
    color: var(--color-primary);
}

.mobile-category-sub-link.depth3 {
    padding-left: calc(var(--spacing-md) * 2);
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

/* 서브 헤더 (카테고리 네비게이션) */
.sub-header {
    display: none;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border-light);
}

.sub-header-inner {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.sub-header-inner::-webkit-scrollbar {
    display: none;
}

.sub-header a {
    white-space: nowrap;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    padding: var(--spacing-xs) 0;
}

.sub-header a:hover,
.sub-header a.active {
    color: var(--color-primary);
}

@media (min-width: 768px) {
    .sub-header {
        display: block;
    }
    
    .page-content.has-sub-header {
        padding-top: calc(var(--header-height) + 44px);
    }
}

/* ============================================================
   모바일 메뉴 (사이드바)
   ============================================================ */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    z-index: 1100;
    transition: all var(--transition-normal);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    background: var(--color-bg);
    transform: translateX(-100%);
    z-index: 1101;
    transition: transform var(--transition-normal);
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-menu-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-user {
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--color-bg-light);
}

.mobile-menu-user-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.mobile-menu-user-email {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.mobile-menu-nav {
    padding: var(--spacing-md) 0;
}

.mobile-menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    font-size: var(--font-size-md);
    color: var(--color-text);
    transition: background var(--transition-fast);
}

.mobile-menu-item:hover {
    background: var(--color-bg-light);
}

.mobile-menu-item svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-text-light);
}

.mobile-menu-divider {
    height: 1px;
    background: var(--color-border-light);
    margin: var(--spacing-sm) 0;
}

/* ============================================================
   검색바
   ============================================================ */
.search-bar {
    display: flex;
    align-items: center;
    background: var(--color-bg-gray);
    border-radius: var(--radius-full);
    padding: 0 var(--spacing-md);
    height: 40px;
    flex: 1;
    max-width: 400px;
}

.search-bar input {
    flex: 1;
    height: 100%;
    background: transparent;
    border: none;
    font-size: var(--font-size-sm);
}

.search-bar input::placeholder {
    color: var(--color-text-muted);
}

.search-bar button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs);
}

.search-bar svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-text-muted);
}

/* ============================================================
   버튼
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-md);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
    cursor: pointer;
}

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

/* 크기 */
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-full {
    width: 100%;
}

/* 스타일 */
.btn-primary {
    background: var(--color-primary);
    color: var(--color-text-white);
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
}

.btn-secondary {
    background: var(--color-secondary);
    color: var(--color-text-white);
}

.btn-secondary:hover:not(:disabled) {
    background: #444444;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.btn-outline:hover:not(:disabled) {
    border-color: var(--color-text);
}

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

.btn-outline-primary:hover:not(:disabled) {
    background: var(--color-primary);
    color: var(--color-text-white);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-light);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--color-bg-gray);
    color: var(--color-text);
}

.btn-kakao {
    background: #FEE500;
    color: #191919;
}

.btn-kakao:hover:not(:disabled) {
    background: #e6cf00;
}

/* ============================================================
   폼 요소
   ============================================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
}

.form-label .required {
    color: var(--color-error);
    margin-left: 2px;
}

.form-input {
    width: 100%;
    height: 48px;
    padding: 0 var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input.error {
    border-color: var(--color-error);
}

.form-input:disabled {
    background: var(--color-bg-gray);
    cursor: not-allowed;
}

.form-textarea {
    width: 100%;
    min-height: 120px;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    resize: vertical;
    transition: border-color var(--transition-fast);
}

.form-textarea:focus {
    border-color: var(--color-primary);
}

.form-select {
    width: 100%;
    height: 48px;
    padding: 0 var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    background: var(--color-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E") no-repeat right 16px center;
    appearance: none;
    cursor: pointer;
}

.form-helper {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.form-error {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-error);
}

/* 체크박스/라디오 */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.form-check input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: 1.5;
}

.form-check-label a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* 입력 그룹 (버튼 포함) */
.input-group {
    display: flex;
    gap: var(--spacing-sm);
}

.input-group .form-input {
    flex: 1;
}

.input-group .btn {
    flex-shrink: 0;
}

/* ============================================================
   카드
   ============================================================ */
.card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border-light);
    background: var(--color-bg-light);
}

/* ============================================================
   상품 카드
   ============================================================ */
.product-card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow var(--transition-normal);
}

.product-card:hover {
    box-shadow: var(--shadow-md);
}

.product-card-image {
    position: relative;
    aspect-ratio: 1;
    background: var(--color-bg-gray);
    overflow: hidden;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.product-card-badges {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.product-badge {
    padding: 2px 8px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.product-badge.best {
    background: var(--color-primary);
    color: var(--color-text-white);
}

.product-badge.new {
    background: var(--color-info);
    color: var(--color-text-white);
}

.product-badge.sale {
    background: var(--color-accent);
    color: var(--color-text-white);
}

.product-card-wishlist {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 32px;
    height: 32px;
    background: var(--color-bg);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.product-card-wishlist:hover {
    transform: scale(1.1);
}

.product-card-wishlist svg {
    width: 18px;
    height: 18px;
    stroke: var(--color-text-muted);
    fill: none;
}

.product-card-wishlist.active svg {
    stroke: var(--color-accent);
    fill: var(--color-accent);
}

.product-card-soldout {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-white);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.product-card-info {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card-brand {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.product-card-name {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card-price {
    margin-top: auto;
}

.product-card-original {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-decoration: line-through;
    margin-bottom: 2px;
}

.product-card-current {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-xs);
}

.product-card-discount {
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--color-accent);
}

.product-card-amount {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
}

.product-card-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.product-card-rating svg {
    width: 12px;
    height: 12px;
    fill: #ffc107;
}

/* 상품 그리드 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

@media (min-width: 640px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-lg);
    }
}

/* ============================================================
   배너/슬라이더
   ============================================================ */
.banner-slider {
    position: relative;
    overflow: hidden;
}

.banner-slide {
    width: 100%;
    aspect-ratio: 2.5/1;
    background-size: cover;
    background-position: center;
}

@media (max-width: 767px) {
    .banner-slide {
        aspect-ratio: 1.5/1;
    }
}

.banner-slider-nav {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
}

.banner-slider-dot {
    width: 8px;
    height: 8px;
    background: rgba(255,255,255,0.5);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.banner-slider-dot.active {
    width: 24px;
    background: var(--color-bg);
}

/* ============================================================
   섹션
   ============================================================ */
.section {
    padding: var(--spacing-xl) 0;
}

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

.section-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
}

.section-more {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.section-more svg {
    width: 16px;
    height: 16px;
}

@media (min-width: 768px) {
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
}

/* ============================================================
   탭
   ============================================================ */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--color-border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tabs::-webkit-scrollbar {
    display: none;
}

.tab-item {
    flex-shrink: 0;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-md);
    color: var(--color-text-muted);
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

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

.tab-item.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
}

.tab-content {
    display: none;
    padding: var(--spacing-lg) 0;
}

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

/* ============================================================
   푸터
   ============================================================ */
.footer {
    background: var(--color-bg-gray);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md) var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-lg);
}

.footer-nav a {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.footer-info {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    line-height: 1.8;
}

.footer-info strong {
    color: var(--color-text-light);
}

.footer-copyright {
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* ============================================================
   모달
   ============================================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    z-index: 2000;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-bg-gray);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(90vh - 120px);
}

.modal-footer {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border-light);
}

.modal-footer .btn {
    flex: 1;
}

/* 바텀시트 (모바일) */
@media (max-width: 767px) {
    .modal-overlay.bottom-sheet {
        align-items: flex-end;
        padding: 0;
    }
    
    .modal-overlay.bottom-sheet .modal {
        max-width: 100%;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        max-height: 80vh;
    }
}

/* ============================================================
   토스트/알림
   ============================================================ */
.toast-container {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-dark);
    color: var(--color-text-white);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease;
}

.toast.success {
    background: var(--color-success);
}

.toast.error {
    background: var(--color-error);
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
   메시지/알림 박스
   ============================================================ */
.message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.message.info {
    background: #e3f2fd;
    color: #1565c0;
}

.message.success {
    background: #e8f5e9;
    color: #2e7d32;
}

.message.warning {
    background: #fff3e0;
    color: #ef6c00;
}

.message.error {
    background: #ffebee;
    color: #c62828;
}

/* ============================================================
   로딩
   ============================================================ */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255,255,255,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 4000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================================
   유틸리티 클래스
   ============================================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-text-muted); }
.text-error { color: var(--color-error); }

.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.py-sm { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-md { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-lg { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }

.px-sm { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-md { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-lg { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.w-full { width: 100%; }
.h-full { height: 100%; }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-md); }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 반응형 유틸리티 */
@media (max-width: 767px) {
    .hide-mobile { display: none !important; }
}

@media (min-width: 768px) {
    .hide-desktop { display: none !important; }
}

/* ============================================================
   페이지네이션
   ============================================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xl);
}

.pagination-btn {
    min-width: 36px;
    height: 36px;
    padding: 0 var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pagination-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-white);
}

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

/* ============================================================
   빈 상태
   ============================================================ */
.empty-state {
    padding: var(--spacing-2xl) var(--spacing-lg);
    text-align: center;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-text-muted);
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.empty-state-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

/* ============================================================
   수량 선택기
   ============================================================ */
.qty-selector {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.qty-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    color: var(--color-text);
    transition: background var(--transition-fast);
}

.qty-btn:hover:not(:disabled) {
    background: var(--color-bg-gray);
}

.qty-btn:disabled {
    color: var(--color-text-muted);
    cursor: not-allowed;
}

.qty-input {
    width: 48px;
    height: 36px;
    border: none;
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    text-align: center;
    font-size: var(--font-size-md);
    -moz-appearance: textfield;
}

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

/* ============================================================
   가격 표시
   ============================================================ */
.price {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
}

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

.price-discount {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-accent);
}

.price-current {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
}

/* ============================================================
   구분선
   ============================================================ */
.divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.divider-vertical {
    width: 1px;
    height: 16px;
    background: var(--color-border);
    margin: 0 var(--spacing-sm);
}

/* ============================================================
   깨진 이미지 fallback 스타일
   ============================================================ */
.img-fallback {
    object-fit: contain !important;
    background-color: #f3f4f6;
}

/* ============================================================
   모바일 하단 퀵메뉴 (공통 컴포넌트)
   ============================================================ */
.quick-menu {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-bg);
    display: flex;
    border-top: 1px solid var(--color-border-light);
    z-index: 1000;
    padding-bottom: env(safe-area-inset-bottom);
}

@media (min-width: 768px) {
    .quick-menu {
        display: none;
    }
}

.quick-menu-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm) 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.quick-menu-item.active,
.quick-menu-item:hover {
    color: var(--color-primary);
}

.quick-menu-item svg {
    width: 24px;
    height: 24px;
    margin-bottom: 2px;
}