/* 樂賣+1 商家小網站 - 主樣式表 */

/* ==================== CSS 變數定義 ==================== */
:root {
  /* 品牌色 */
  --color-primary: #FF8A80;
  --color-background: #FFF7F0;
  --color-card-background: #FFFFFF;
  --color-text-primary: #2C2C2C;
  --color-text-secondary: #6B6B6B;
  --color-text-tertiary: #999999;
  --color-border: #E8E8E8;

  /* 陰影 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);

  /* 圓角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 999px;

  /* 間距 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-2xl: 32px;

  /* 字體大小 */
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 28px;
}

/* ==================== 基礎重置 ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue',
    'PingFang TC', 'Noto Sans TC', 'Microsoft JhengHei', sans-serif;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

/* ==================== 載入畫面 ==================== */
.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  gap: var(--spacing-lg);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ==================== 導航列 ==================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-card-background);
  box-shadow: var(--shadow-sm);
  height: 56px;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
}

.navbar-content {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  height: 100%;
}

.navbar-back {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  transition: transform 0.2s;
}

.navbar-back:active {
  transform: scale(0.95);
}

.navbar-title {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1;
}

.navbar-title h1 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.navbar-title p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: 2px;
}

/* 商家名稱 + 營業狀態一行 */
.navbar-subtitle-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
}

.navbar-status {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: #4CAF50;
  white-space: nowrap;
  flex-shrink: 0;
}

.navbar-status.closed {
  color: #9B9590;
}

.navbar-status .status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4CAF50;
}

.navbar-status .status-dot.closed {
  background: #9B9590;
}

.navbar-company {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ==================== 主容器 ==================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ==================== 商家首頁 ==================== */
.merchant-home {
  padding-bottom: var(--spacing-2xl);
}

/* Banner */
.banner {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #FFB3B0 100%);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: var(--spacing-lg) 0;
}

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

/* 搜尋列 */
.search-bar {
  /* 移除背景色和陰影，讓搜尋框更輕盈 */
  background: transparent;
  padding: 0 var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  box-shadow: none;
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-card-background);
  /* 全圓角設計 - 與市集樣式一致 */
  border-radius: var(--radius-full);
  padding: var(--spacing-md) var(--spacing-lg);
  /* 增加邊框和陰影 */
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 12px rgba(139, 119, 101, 0.08);
  transition: all 0.3s ease;
}

/* 聚焦時的效果 */
.search-input-wrapper:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(255, 138, 128, 0.15);
}

.search-icon {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-md);
  transition: color 0.3s ease;
}

/* 聚焦時圖示變色 */
.search-input-wrapper:focus-within .search-icon {
  color: var(--color-primary);
}

.search-input {
  flex: 1;
  border: none;
  background: none;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  outline: none;
  /* 調整文字位置 */
  margin-top: 1px;
}

.search-input::placeholder {
  color: var(--color-text-tertiary);
  opacity: 0.8;
}

/* 分類 chips */
.category-chips-container {
  margin-bottom: var(--spacing-lg);
}

.category-chips {
  display: flex;
  gap: var(--spacing-sm);
  overflow-x: auto;
  scrollbar-width: none;
  /* Firefox */
  -ms-overflow-style: none;
  /* IE and Edge */
  padding: var(--spacing-xs) 0;
}

.category-chips::-webkit-scrollbar {
  display: none;
  /* Chrome, Safari, Opera */
}

.category-chip {
  flex-shrink: 0;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-card-background);
  border: 1px solid var(--color-border);
  /* 膠囊圖形 - 與市集樣式一致 */
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  font-weight: 500;
}

.category-chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.category-chip.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  font-weight: 500;
}

.category-chip:active {
  transform: scale(0.95);
}

/* 商品網格 */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.product-card {
  background: var(--color-card-background);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-card:active {
  transform: scale(0.98);
  box-shadow: var(--shadow-md);
}

.product-image-container {
  width: 100%;
  aspect-ratio: 1;
  position: relative;
  overflow: hidden;
  background: var(--color-background);
}

.product-image {
  width: 100%;
  height: 100%;
  position: relative;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* 載入前淡出 + shimmer 背景 */
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.product-image img.loaded {
  opacity: 1;
  background: none;
  animation: none;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.no-image {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

.product-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-3xl);
}

.product-info {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.product-code {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-xs);
  flex: 0 0 auto;
}

.product-name {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1 1 auto;
  /* 允許擴展以推開價格 */
  min-height: 2.8em;
  /* 最小兩行的高度 */
}

.product-price {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  flex: 0 0 auto;
  margin-top: auto;
  /* 將價格推到按鈕上方 */
}

.product-price-row {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  margin-top: auto;
}

.price-main {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.price-original {
  text-decoration: line-through;
  color: #999;
  font-size: 12px;
}

.product-button {
  width: 100%;
  padding: var(--spacing-sm);
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: opacity 0.2s;
  flex-shrink: 0;
}

.product-button:active {
  opacity: 0.8;
}

/* 公告區域 */
.notice-section {
  background: var(--color-card-background);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.notice-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.notice-content {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
  white-space: pre-wrap;
}

/* 頁尾 */
.footer {
  text-align: center;
  padding: var(--spacing-xl) 0;
}

/* 商家社群按鈕區域 */
.merchant-social-section {
  text-align: center;
  padding: var(--spacing-lg) 0;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 14px;
  background: var(--color-card-background);
  border-radius: 16px;
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-size: 13px;
  transition: all 0.2s;
  text-decoration: none;
}

.social-link i {
  font-size: 14px;
}

.social-link:active {
  transform: scale(0.95);
}

/* LINE 綠色 */
.social-link-line {
  background: #06C755;
  border-color: #06C755;
  color: white;
}

.social-link-line:hover {
  background: #05B04D;
}

/* Instagram 漸層色 */
.social-link-instagram {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  border-color: transparent;
  color: white;
}

.social-link-instagram:hover {
  opacity: 0.9;
}

/* Facebook 藍色 */
.social-link-facebook {
  background: #1877F2;
  border-color: #1877F2;
  color: white;
}

.social-link-facebook:hover {
  background: #0C63D4;
}

.footer-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.footer-link {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.footer-link:hover {
  opacity: 0.6;
  text-decoration: none;
}

/* ==================== 平台共用頁尾 ==================== */
.platform-footer {
  background: #FF8A80;
  padding: 24px 0 12px;
  margin-top: 24px;
  width: 100%;
}

.platform-footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 20px;
}

@media (max-width: 768px) {
  .platform-footer-container {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.platform-footer-brand {
  max-width: 200px;
}

.platform-footer-logo {
  font-size: 20px;
  font-weight: 700;
  color: white;
  margin-bottom: 4px;
}

.platform-footer-logo a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s;
}

.platform-footer-logo a:hover {
  opacity: 0.8;
}

.platform-footer-tagline {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
}

.platform-footer-tagline a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s;
}

.platform-footer-tagline a:hover {
  opacity: 0.8;
}

.platform-footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

@media (max-width: 500px) {
  .platform-footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

.platform-footer-column h4 {
  font-size: 13px;
  font-weight: 600;
  color: white;
  margin-bottom: 10px;
}

.platform-footer-column ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.platform-footer-column ul li {
  margin-bottom: 4px;
}

.platform-footer-column ul li a {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: opacity 0.2s;
}

.platform-footer-column ul li a:hover {
  opacity: 0.7;
}

.platform-footer-social {
  display: flex;
  gap: 10px;
}

.platform-social-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
  text-decoration: none;
  transition: all 0.2s;
}

.platform-social-icon:hover {
  background: rgba(255, 255, 255, 0.3);
  color: white;
}

.platform-footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 16px 0;
  margin-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
}

.platform-footer-bottom p {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

/* 無限捲動載入指示器 */
.loading-indicator {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-xl) 0;
  margin: var(--spacing-lg) 0;
}

.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.loading-spinner .spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
}

.loading-spinner p {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.end-message {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background: var(--color-background);
  border-radius: var(--radius-md);
  margin: 0 var(--spacing-lg);
}

.end-message p {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin: 0;
}

/* ==================== 商品詳情頁 ==================== */
.product-detail {
  padding-bottom: 80px;
  /* 為固定底部按鈕留空間 */
}

/* 圖片輪播 */
.product-carousel {
  width: 100%;
  aspect-ratio: 1;
  background: var(--color-background);
  position: relative;
  overflow: hidden;
  cursor: grab;
  user-select: none;
}

.carousel-track {
  display: flex;
  transition: transform 0.3s ease-in-out;
  height: 100%;
}

.carousel-slide {
  min-width: 100%;
  height: 100%;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-indicators {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-xs);
}

.carousel-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transition: all 0.3s;
}

.carousel-indicator.active {
  width: 20px;
  border-radius: 3px;
  background: white;
}

/* 商品基本資訊 */
.product-detail-info {
  background: var(--color-card-background);
  padding: var(--spacing-lg);
  margin: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.product-detail-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.product-detail-code {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.product-detail-category {
  display: inline-block;
  padding: 2px var(--spacing-sm);
  background: var(--color-background);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.product-detail-name {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.product-detail-shelf-life {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-md);
}

.product-detail-price-wrapper {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
}

.product-detail-price {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
}

.product-discount-badge {
  display: inline-block;
  padding: 2px var(--spacing-sm);
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.product-detail-original-price {
  text-decoration: line-through;
  color: #999;
  font-size: var(--font-size-md);
  font-weight: 400;
}

/* 商品卡片優惠角標（右下角） */
.product-discount-badge-corner {
  position: absolute;
  bottom: 8px;
  right: 8px;
  padding: 4px 8px;
  background: rgba(255, 138, 128, 0.95);
  color: white;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
  z-index: 2;
}

/* 商品描述 */
.product-description {
  background: var(--color-card-background);
  padding: var(--spacing-lg);
  margin: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.description-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.description-paragraph {
  margin-bottom: var(--spacing-lg);
}

.description-paragraph:last-child {
  margin-bottom: 0;
}

.description-text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
  white-space: pre-wrap;
}

.description-image {
  width: 100%;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-sm);
}

.description-caption {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  text-align: center;
  font-style: italic;
}

/* 固定底部按鈕 */
.fixed-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-card-background);
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.08);
  z-index: 50;
}

.bottom-bar-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.bottom-bar-price {
  flex: 1;
}

.bottom-bar-price-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-bottom: 2px;
}

.bottom-bar-price-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.bottom-bar-button {
  flex: 1;
  padding: var(--spacing-md);
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  font-size: var(--font-size-md);
  font-weight: 600;
  transition: opacity 0.2s;
}

.bottom-bar-button:active {
  opacity: 0.8;
}

/* ==================== 響應式設計 ==================== */
@media (min-width: 768px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .banner {
    height: 300px;
  }
}

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

  .banner {
    height: 400px;
  }

  .product-carousel {
    aspect-ratio: 16 / 9;
  }
}

/* ==================== 輔助類別 ==================== */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.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);
}

/* ==================== 購物車圖標 ==================== */
.navbar-cart {
  position: relative;
  background: none;
  border: none;
  padding: var(--spacing-sm);
  cursor: pointer;
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  transition: color 0.2s;
}

.navbar-cart:active {
  color: var(--color-primary);
}

.cart-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--color-primary);
  color: white;
  font-size: 10px;
  font-weight: 600;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

/* ==================== 商品選項彈窗 ==================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--spacing-lg);
}

.modal-content {
  background: white;
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

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

.modal-header h2 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--color-text-tertiary);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s;
}

.modal-close:active {
  background: var(--color-background);
}

.product-options-info {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
}

.product-options-image {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.product-options-details {
  flex: 1;
}

.product-options-details h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.product-code {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.product-base-price {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.product-options-section {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

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

.price-type-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.price-type-option {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.price-type-option input[type="radio"] {
  margin-right: var(--spacing-md);
}

.price-type-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex: 1;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.price-type-option input[type="radio"]:checked+.price-type-label {
  border-color: var(--color-primary);
  background: rgba(255, 138, 128, 0.05);
}

.price-type-name {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.price-type-price {
  font-size: var(--font-size-base);
  color: var(--color-primary);
  font-weight: 600;
}

/* 商品規格選擇樣式（與價格類型樣式一致） */
.spec-option-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.spec-option {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.spec-option input[type="radio"] {
  margin-right: var(--spacing-md);
}

.spec-option-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex: 1;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.spec-option input[type="radio"]:checked+.spec-option-label {
  border-color: var(--color-primary);
  background: rgba(255, 138, 128, 0.05);
}

.spec-option-value {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  font-weight: 500;
}

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

.quantity-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  background: white;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all 0.2s;
}

.quantity-btn:active {
  background: var(--color-background);
}

.quantity-input {
  width: 80px;
  height: 40px;
  text-align: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
}

.volume-discount-hints {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(255, 138, 128, 0.05);
  border-radius: var(--radius-sm);
}

.discount-hint {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.discount-hint:last-child {
  margin-bottom: 0;
}

.price-calculation {
  padding: var(--spacing-lg);
  /* border-top 已移除，避免與上方 section 出現雙重分隔線 */
}

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

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

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

.discount-price {
  color: var(--color-primary);
}

/* 商品卡片上的折扣標籤（右下角絕對定位） */
.product-image-container .discount-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  padding: 4px 8px;
  background: var(--color-primary);
  color: white;
  font-size: 11px;
  font-weight: 600;
  border-radius: 12px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  z-index: 1;
}

/* 價格類型選項中的折扣標籤（inline 顯示） */
.price-type-name .discount-badge {
  position: static;
  display: inline-block;
  padding: 2px 6px;
  background: var(--color-primary);
  color: white;
  font-size: 10px;
  font-weight: 600;
  border-radius: 8px;
  vertical-align: middle;
}

.total-row {
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text-primary);
}

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

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

.btn {
  flex: 1;
  padding: var(--spacing-md);
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.btn:active {
  opacity: 0.8;
}

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

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

/* ==================== Toast 訊息 ==================== */
.toast-message {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  z-index: 2000;
  opacity: 0;
  transition: all 0.3s;
}

.toast-message.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast-message.success {
  background: rgba(76, 175, 80, 0.95);
}

/* ==================== 購物車頁面 ==================== */
.cart-page {
  padding-bottom: 100px;
  min-height: calc(100vh - 60px);
}

.empty-cart {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  min-height: 400px;
  text-align: center;
}

.empty-cart-icon {
  font-size: 64px;
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.empty-cart h2 {
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.empty-cart p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.cart-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.cart-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.cart-item-image {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-background);
}

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

.cart-item-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  opacity: 0.3;
}

.cart-item-details {
  flex: 1;
  min-width: 0;
}

.cart-item-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cart-item-code {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-xs);
}

.cart-item-spec {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.cart-item-stock {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-xs);
}

.cart-item-stock.stock-warning {
  color: #f44336;
  font-weight: 600;
}

.cart-item.over-stock {
  border: 2px solid #f44336;
  background: #fff5f5;
}

.cart-item-warning {
  font-size: var(--font-size-xs);
  color: #f44336;
  font-weight: 500;
  margin-top: var(--spacing-xs);
}

.cart-item-price-type {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.cart-item-price {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.unit-price {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.discount-badge-small {
  display: inline-block;
  padding: 1px 4px;
  background: var(--color-primary);
  color: white;
  font-size: 9px;
  border-radius: 3px;
  margin-left: var(--spacing-xs);
}

.cart-item-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--spacing-sm);
}

.cart-item-quantity {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.quantity-btn-small {
  width: 28px;
  height: 28px;
  border: 1px solid var(--color-border);
  background: white;
  border-radius: 4px;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all 0.2s;
}

.quantity-btn-small:active {
  background: var(--color-background);
}

.quantity-display {
  min-width: 32px;
  text-align: center;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  font-weight: 500;
}

.cart-item-total {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-primary);
}

.cart-item-remove {
  background: none;
  border: none;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-base);
  cursor: pointer;
  padding: var(--spacing-xs);
  transition: color 0.2s;
}

.cart-item-remove:active {
  color: #f44336;
}

.cart-summary {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.cart-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.cart-summary-total {
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
}

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

/* 🆕 免運提示卡片樣式（較低調版本） */
.free-shipping-hint {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 8px;
  margin: 8px 0;
  font-size: 12px;
  transition: all 0.3s ease;
}

.free-shipping-hint .hint-icon {
  font-size: 14px;
  flex-shrink: 0;
}

.free-shipping-hint .hint-text {
  flex: 1;
  line-height: 1.3;
}

.free-shipping-hint .hint-text strong {
  font-weight: 600;
}

/* 已達成免運 - 淡綠色 */
.free-shipping-hint.achieved {
  background: #f1f8f1;
  border: 1px solid #c8e6c9;
  color: #388e3c;
}

/* 進行中 - 淡橘色 */
.free-shipping-hint.progress {
  background: #fff8f0;
  border: 1px solid #ffe0b2;
  color: #e65100;
}

/* 中性狀態 - 淡灰色 */
.free-shipping-hint.neutral {
  background: #fafafa;
  border: 1px solid #eeeeee;
  color: #9e9e9e;
  justify-content: center;
}

/* ==================== 響應式調整 ==================== */
@media (min-width: 768px) {
  .cart-item {
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
  }

  .cart-item-image {
    width: 100px;
    height: 100px;
  }

  .cart-item-actions {
    flex-direction: row;
    align-items: center;
  }
}

/* ==================== 結帳頁面 ==================== */
.checkout-page {
  padding-bottom: 100px;
  min-height: calc(100vh - 60px);
}

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

.section-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-primary);
}

/* 表單樣式 */
.checkout-form {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group:last-child {
  margin-bottom: 0;
}

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

.required {
  color: #f44336;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background-color: #ffffff;
  transition: border-color 0.2s;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* 移除 date input 的預設背景色 */
.form-input[type="date"] {
  background-color: #ffffff;
  -webkit-appearance: none;
  appearance: none;
}

.form-input[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.6;
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.form-hint {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  line-height: 1.4;
}

/* 訂單摘要 */
.order-summary {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.order-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.order-item-info {
  flex: 1;
}

.order-item-name {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.order-item-spec-value {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.order-item-spec {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.order-item-price {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
  margin-left: var(--spacing-md);
}

.order-summary-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing-md) 0;
}

.order-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.order-summary-total {
  padding-top: var(--spacing-md);
  border-top: 2px solid var(--color-border);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
}

/* ==================== 訂單確認頁面 ==================== */
.order-confirmation-page {
  min-height: 100vh;
  background: var(--color-background);
  padding: var(--spacing-2xl) 0;
}

.confirmation-icon {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-xl);
}

/* 成功打勾動畫 */
.success-checkmark {
  width: 80px;
  height: 80px;
  margin: 0 auto;
}

.check-icon {
  width: 80px;
  height: 80px;
  position: relative;
  border-radius: 50%;
  box-sizing: content-box;
  border: 4px solid var(--color-primary);
}

.check-icon::before {
  top: 3px;
  left: -2px;
  width: 30px;
  transform-origin: 100% 50%;
  border-radius: 100px 0 0 100px;
}

.check-icon::after {
  top: 0;
  left: 30px;
  width: 60px;
  transform-origin: 0 50%;
  border-radius: 0 100px 100px 0;
  animation: rotate-circle 4.25s ease-in;
}

.icon-line {
  height: 5px;
  background-color: var(--color-primary);
  display: block;
  border-radius: 2px;
  position: absolute;
  z-index: 10;
}

.icon-line.line-tip {
  top: 46px;
  left: 14px;
  width: 25px;
  transform: rotate(45deg);
  animation: icon-line-tip 0.75s;
}

.icon-line.line-long {
  top: 38px;
  right: 8px;
  width: 47px;
  transform: rotate(-45deg);
  animation: icon-line-long 0.75s;
}

.icon-circle {
  top: -4px;
  left: -4px;
  z-index: 10;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  position: absolute;
  box-sizing: content-box;
  border: 4px solid rgba(255, 138, 128, 0.5);
}

.icon-fix {
  top: 8px;
  width: 5px;
  left: 26px;
  z-index: 1;
  height: 85px;
  position: absolute;
  transform: rotate(-45deg);
  background-color: transparent;
}

@keyframes icon-line-tip {
  0% {
    width: 0;
    left: 1px;
    top: 19px;
  }

  54% {
    width: 0;
    left: 1px;
    top: 19px;
  }

  70% {
    width: 50px;
    left: -8px;
    top: 37px;
  }

  84% {
    width: 17px;
    left: 21px;
    top: 48px;
  }

  100% {
    width: 25px;
    left: 14px;
    top: 46px;
  }
}

@keyframes icon-line-long {
  0% {
    width: 0;
    right: 46px;
    top: 54px;
  }

  65% {
    width: 0;
    right: 46px;
    top: 54px;
  }

  84% {
    width: 55px;
    right: 0px;
    top: 35px;
  }

  100% {
    width: 47px;
    right: 8px;
    top: 38px;
  }
}

.confirmation-content {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

/* 緊湊版本 - 讓手機畫面不需滾動 */
.confirmation-content.compact {
  margin-bottom: var(--spacing-md);
}

.confirmation-content.compact .confirmation-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-xs);
}

.confirmation-content.compact .confirmation-subtitle {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

.confirmation-content.compact .order-number-box {
  padding: var(--spacing-md);
  margin: var(--spacing-md) auto;
}

.confirmation-content.compact .order-number {
  font-size: var(--font-size-xl);
}

.confirmation-content.compact .confirmation-message {
  padding: var(--spacing-md);
  margin: var(--spacing-md) auto;
}

.confirmation-content.compact .message-item {
  padding: var(--spacing-xs) 0;
}

.confirmation-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.confirmation-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.order-number-box {
  background: white;
  border: 2px dashed var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) auto;
  max-width: 400px;
}

.order-number-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.order-number {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  font-family: 'Courier New', monospace;
  letter-spacing: 2px;
}

.confirmation-message {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) auto;
  max-width: 500px;
  box-shadow: var(--shadow-sm);
  text-align: left;
}

.message-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.message-item i {
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.message-item:not(:last-child) {
  /* 移除分隔線，只保留 bank-info-divider */
}

/* 訂單詳情區塊 */
.order-details-section {
  margin-top: var(--spacing-2xl);
}

.detail-group {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.detail-group-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.detail-items {
  margin-bottom: var(--spacing-md);
}

.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: var(--spacing-sm) 0;
}

.detail-item-info {
  flex: 1;
}

.detail-item-name {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.detail-item-spec {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.detail-item-price {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-primary);
  white-space: nowrap;
  margin-left: var(--spacing-md);
}

.detail-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 2px solid var(--color-border);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
}

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

.info-row {
  display: flex;
  gap: var(--spacing-md);
}

.info-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  min-width: 80px;
  flex-shrink: 0;
}

.info-value {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  flex: 1;
}

/* 匯款資訊分隔線 */
.bank-info-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing-md) 0;
}

/* 確認頁面操作按鈕 */
.confirmation-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  padding: 0 var(--spacing-lg);
}

.confirmation-actions .btn {
  min-width: 120px;
  padding: 10px 16px;
  font-size: var(--font-size-sm);
}

/* 響應式設計 */
@media (max-width: 767px) {
  .confirmation-title {
    font-size: var(--font-size-2xl);
  }

  .order-number {
    font-size: var(--font-size-xl);
  }

  .confirmation-actions {
    flex-direction: column;
  }

  .confirmation-actions .btn {
    width: 100%;
  }
}

/* 匯款資訊區塊 */
.bank-info-section {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) auto;
  max-width: 400px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.bank-info-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.bank-info-title i {
  color: var(--color-primary);
}

.bank-info-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.bank-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) 0;
}

.bank-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.bank-value {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-primary);
}

/* 匯款資訊 - 與訊息卡片一致樣式 */
.bank-info-message {
  margin-top: var(--spacing-lg);
}

.bank-info-message .bank-info-header {
  font-weight: 600;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.bank-info-message .bank-detail {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-xs) 0;
}

.bank-info-message .bank-detail .bank-label {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.bank-info-message .bank-detail .bank-value {
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.bank-info-message .bank-note {
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px dashed var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ==================== 物流選項樣式 ==================== */
.shipping-options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.shipping-option {
  display: flex;
  align-items: center;
  padding: var(--spacing-lg);
  background: var(--color-card-background);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.shipping-option:hover {
  border-color: var(--color-primary);
  background-color: #FFF7F0;
}

.shipping-option.selected {
  border-color: var(--color-primary);
  background-color: #FFF7F0;
}

.shipping-option input[type="radio"] {
  margin-right: var(--spacing-md);
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.shipping-option-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex: 1;
}

.shipping-name {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-primary);
}

.shipping-cost {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-primary);
}

/* ==================== 訂閱過期畫面 ==================== */
.subscription-expired-screen {
  min-height: 100vh;
  background: linear-gradient(135deg, #FFF7F0 0%, #FFE8E0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.subscription-expired-content {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  max-width: 500px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 0.5s ease;
}

.subscription-expired-icon {
  margin-bottom: var(--spacing-xl);
}

.subscription-expired-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.subscription-expired-message {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
}

.subscription-expired-note {
  background: #FFF7F0;
  border-left: 4px solid var(--color-primary);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-align: left;
}

.subscription-expired-note i {
  color: var(--color-primary);
  font-size: var(--font-size-md);
  flex-shrink: 0;
}

.subscription-expired-note span {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== 商品選項彈窗 v3 電商風格 ==================== */

/* 彈窗內容容器 */
.modal-content-v3 {
  background: white;
  border-radius: 16px;
  max-width: 420px;
  width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}

/* 可滾動內容區 */
.modal-scrollable-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

/* 標題區 */
.modal-header-v3 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid #f0f0f0;
  background: white;
  position: sticky;
  top: 0;
  z-index: 10;
}

.modal-header-v3 h2 {
  font-size: 16px;
  font-weight: 600;
  color: #2C2C2C;
  margin: 0;
}

.modal-close-v3 {
  background: none;
  border: none;
  font-size: 18px;
  color: #999;
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s, color 0.2s;
}

.modal-close-v3:hover {
  background: #f5f5f5;
  color: #666;
}

/* 商品資訊區 - 左圖右文字 */
.product-info-v3 {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: #fafafa;
  border-bottom: 1px solid #f0f0f0;
}

.product-image-v3 {
  width: 120px;
  height: 120px;
  flex-shrink: 0;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.product-image-v3 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-details-v3 {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.product-name-v3 {
  font-size: 18px;
  font-weight: 600;
  color: #2C2C2C;
  margin: 0 0 8px 0;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-code-v3 {
  font-size: 13px;
  color: #666;
  margin: 0 0 4px 0;
}

.product-stock-v3 {
  font-size: 13px;
  color: #666;
  margin: 0 0 10px 0;
}

.product-price-v3 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.product-price-v3 .price-original {
  font-size: 14px;
  color: #999;
  text-decoration: line-through;
}

.product-price-v3 .price-current {
  font-size: 22px;
  font-weight: 700;
  color: #FF8A80;
}

/* 選項區塊通用樣式 */
.modal-sections {
  padding: 0;
}

.options-section-v3 {
  padding: 16px 20px;
  border-bottom: 1px solid #f0f0f0;
}

.options-section-v3:last-child {
  border-bottom: none;
}

.section-title-v3 {
  font-size: 14px;
  font-weight: 600;
  color: #2C2C2C;
  margin: 0 0 12px 0;
}

/* 規格方形按鈕 */
.spec-buttons-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.spec-button-v3 {
  padding: 10px 16px;
  background: white;
  border: 1.5px solid #e0e0e0;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: #2C2C2C;
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 60px;
  text-align: center;
}

.spec-button-v3:hover {
  border-color: #FF8A80;
  background: rgba(255, 138, 128, 0.06);
}

.spec-button-v3.selected {
  border-color: #FF8A80;
  background: rgba(255, 138, 128, 0.12);
  color: #FF8A80;
  font-weight: 600;
}

/* 規格按鈕含圖片 */
.spec-button-v3.has-image {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
}

.spec-button-image {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 6px;
}

.spec-button-text {
  font-size: 13px;
}

/* 價格類型膠囊卡片 */
.price-type-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.price-type-card-v3 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  background: white;
  border: 1.5px solid #e0e0e0;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
  text-align: left;
}

.price-type-card-v3:hover {
  border-color: #FF8A80;
  background: rgba(255, 138, 128, 0.04);
}

.price-type-card-v3.selected {
  border-color: #FF8A80;
  background: rgba(255, 138, 128, 0.08);
}

.price-type-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.price-type-name-v3 {
  font-size: 14px;
  font-weight: 500;
  color: #2C2C2C;
}

.price-type-badge {
  display: inline-block;
  padding: 2px 8px;
  background: #FF8A80;
  color: white;
  font-size: 11px;
  font-weight: 600;
  border-radius: 10px;
}

.price-type-amount {
  font-size: 16px;
  font-weight: 700;
  color: #FF8A80;
}

/* 數量選擇器 */
.quantity-selector-v3 {
  display: flex;
  align-items: center;
  gap: 0;
  width: fit-content;
}

.quantity-btn-v3 {
  width: 40px;
  height: 40px;
  border: 1.5px solid #e0e0e0;
  background: white;
  font-size: 18px;
  font-weight: 500;
  color: #2C2C2C;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.quantity-btn-v3:first-child {
  border-radius: 8px 0 0 8px;
  border-right: none;
}

.quantity-btn-v3:last-child {
  border-radius: 0 8px 8px 0;
  border-left: none;
}

.quantity-btn-v3:hover {
  background: #f5f5f5;
}

.quantity-btn-v3:active {
  background: #eee;
}

.quantity-input-v3 {
  width: 60px;
  height: 40px;
  text-align: center;
  border: 1.5px solid #e0e0e0;
  border-left: none;
  border-right: none;
  font-size: 16px;
  font-weight: 600;
  color: #2C2C2C;
  background: white;
  -moz-appearance: textfield;
}

.quantity-input-v3::-webkit-outer-spin-button,
.quantity-input-v3::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* 多件優惠提示區塊 */
.volume-discount-banner {
  margin-top: 14px;
  padding: 12px 14px;
  background: #FFF5F3;
  border-radius: 8px;
  border-left: 3px solid #FF8A80;
}

.volume-discount-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #FF8A80;
  font-weight: 500;
  margin-bottom: 6px;
}

.volume-discount-item:last-child {
  margin-bottom: 0;
}

.volume-discount-icon {
  font-size: 14px;
}

/* 底部固定區域 */
.modal-footer-v3 {
  padding: 16px 20px;
  background: white;
  border-top: 1px solid #f0f0f0;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
}

.footer-subtotal {
  margin-bottom: 14px;
}

.subtotal-hint {
  font-size: 12px;
  color: #FF8A80;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.subtotal-hint::before {
  content: "🏷️";
  font-size: 12px;
}

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

.subtotal-label {
  font-size: 15px;
  font-weight: 500;
  color: #2C2C2C;
}

.subtotal-amount {
  font-size: 22px;
  font-weight: 700;
  color: #FF8A80;
}

/* 底部按鈕 */
.footer-buttons {
  display: flex;
  gap: 12px;
}

.btn-cancel-v3 {
  flex: 0 0 auto;
  padding: 12px 24px;
  background: white;
  border: 1.5px solid #e0e0e0;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: #666;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-cancel-v3:hover {
  background: #f5f5f5;
  border-color: #ccc;
}

.btn-addcart-v3 {
  flex: 1;
  padding: 12px 24px;
  background: linear-gradient(135deg, #FF8A80 0%, #FF8A80 100%);
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: white;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 4px 12px rgba(255, 138, 128, 0.3);
}

.btn-addcart-v3:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(255, 138, 128, 0.4);
}

.btn-addcart-v3:active {
  transform: translateY(0);
}

/* 響應式調整 */
@media (max-width: 480px) {
  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .modal-content-v3 {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 16px 16px 0 0;
    margin-top: auto;
  }

  .modal-scrollable-content {
    max-height: calc(90vh - 160px);
    /* 減去 header 和 footer 高度 */
  }

  .product-image-v3 {
    width: 100px;
    height: 100px;
  }

  .product-name-v3 {
    font-size: 16px;
  }

  .product-price-v3 .price-current {
    font-size: 20px;
  }

  .spec-button-v3 {
    padding: 8px 14px;
    font-size: 13px;
  }

  .modal-footer-v3 {
    position: sticky;
    bottom: 0;
    padding: 12px 16px;
  }

  .footer-subtotal {
    margin-bottom: 10px;
  }

  .subtotal-amount {
    font-size: 20px;
  }

  .footer-buttons {
    gap: 10px;
  }

  .btn-cancel-v3 {
    padding: 10px 16px;
    font-size: 13px;
  }

  .btn-addcart-v3 {
    padding: 10px 16px;
    font-size: 14px;
  }
}

/* ==================== 分類側欄 ==================== */

/* 側欄遮罩 */
.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

/* 側欄容器 */
.category-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 280px;
  max-width: 85vw;
  height: 100vh;
  background: var(--color-card-background);
  z-index: 999;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
}

.category-sidebar.active {
  transform: translateX(0);
}

/* 側欄標題 */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-card-background);
  flex-shrink: 0;
}

.sidebar-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
}

/* 側欄商家資訊 */
.sidebar-merchant-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  width: 100%;
}

.sidebar-logo {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-logo-img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-border);
}

.sidebar-logo-icon {
  font-size: 28px;
  color: var(--color-primary);
}

.sidebar-merchant-name {
  flex: 1;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.3;
  word-break: break-word;
}

.sidebar-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  /* border-radius: 50%; */
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  transition: all 0.2s ease;
}

.sidebar-close:hover {
  background: var(--color-border);
  color: var(--color-text-primary);
}

/* 側欄內容區 */
.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md) 0;
}

/* 側欄區塊標題 */
.sidebar-section-title {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* 側欄分隔線 */
.sidebar-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing-sm) 0;
}

/* 主分類項目 */
.sidebar-category-item {
  border-bottom: 1px solid var(--color-border);
}

.sidebar-category-header {
  display: flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-xl);
  cursor: pointer;
  transition: background 0.2s ease;
}

.sidebar-category-header:hover {
  /* background: var(--color-background); */
}

.sidebar-category-header:active {
  /* background: var(--color-border); */
}

.category-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary) 0%, #FFB3B0 100%);
  border-radius: var(--radius-sm);
  color: white;
  font-size: var(--font-size-base);
  margin-right: var(--spacing-md);
  flex-shrink: 0;
}

.category-name {
  flex: 1;
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-primary);
}

.category-arrow {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  transition: transform 0.3s ease;
}

.category-arrow.expanded {
  transform: rotate(180deg);
}

/* 次分類列表 */
.sidebar-subcategories {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: transparent;
}

.sidebar-subcategories.expanded {
  max-height: 500px;
}

.sidebar-subcategory-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-xl);
  padding-left: calc(var(--spacing-xl) + 32px + var(--spacing-md));
  cursor: pointer;
  transition: background 0.2s ease;
  border-top: 1px solid var(--color-border);
}

.sidebar-subcategory-item:first-child {
  border-top: none;
}

.sidebar-subcategory-item:hover {
  background: var(--color-card-background);
}

.sidebar-subcategory-item:active {
  background: var(--color-border);
}

.subcategory-indicator {
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  margin-right: var(--spacing-md);
  flex-shrink: 0;
}

.subcategory-name {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Menu 按鈕 */
.navbar-menu {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  transition: transform 0.2s, color 0.2s;
  margin-left: var(--spacing-sm);
}

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

.navbar-menu:active {
  transform: scale(0.95);
}

/* 購物車按鈕樣式 */
.navbar-cart {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  position: relative;
  transition: transform 0.2s;
}

.navbar-cart:active {
  transform: scale(0.95);
}

.cart-badge {
  position: absolute;
  top: 0;
  right: 0;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: var(--color-primary);
  color: white;
  border-radius: 9px;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==================== 客戶等級標籤 ==================== */
.customer-tier-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
  color: #5D4037;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(255, 165, 0, 0.3);
}

.customer-tier-badge i {
  font-size: var(--font-size-md);
  color: #F57C00;
}

.customer-tier-badge .tier-discount-rate {
  margin-left: auto;
  background: rgba(255, 255, 255, 0.4);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
}

/* 訂單摘要折扣行 */
.order-summary-row.discount-row {
  color: #E65100;
  font-weight: 500;
}

.order-summary-row.discount-row i {
  margin-right: 4px;
  color: #FF6D00;
}

.order-summary-row .discount-amount {
  color: #E65100;
  font-weight: 600;
}