/* 沛榮水電材料 - 全域設計系統與樣式表 (index.css) */

:root {
  /* Google 極簡白設計色盤 */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #f1f3f4;
  --text-primary: #202124;
  --text-secondary: #5f6368;
  --text-muted: #80868b;
  --border-color: #dadce0;
  
  /* 品牌藍色調 (Google 風格) */
  --primary-color: #1a73e8;
  --primary-hover: #1557b0;
  --primary-light: #e8f0fe;
  
  /* 輔助警示色 */
  --danger-color: #d93025;
  --danger-light: #fce8e6;
  --success-color: #188038;
  --success-light: #e6f4ea;
  --warning-color: #f29900;
  
  /* 字型、陰影與過渡效果 */
  --font-main: 'Noto Sans TC', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --shadow-sm: 0 1px 2px 0 rgba(60,64,67,0.3), 0 1px 3px 1px rgba(60,64,67,0.15);
  --shadow-md: 0 1px 3px 0 rgba(60,64,67,0.3), 0 4px 8px 3px rgba(60,64,67,0.15);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 24px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 全域重設 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea {
  font-family: inherit;
}

/* 頂部導覽列 */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.brand-icon {
  width: 32px;
  height: 32px;
  color: var(--primary-color);
}

.brand-text h1 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.brand-text span {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* 頂部導覽列搜尋欄 */
.header-search-form {
  width: 260px;
  margin: 0 12px 0 0;
}

.header-search-wrapper {
  padding: 2px 4px 2px 14px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.header-search-wrapper:focus-within {
  background-color: var(--bg-primary);
  border-color: var(--primary-color);
  box-shadow: 0 1px 6px rgba(26, 115, 232, 0.15);
}

.header-search-wrapper #header-search-input,
.header-search-wrapper #ai-search-input {
  padding: 8px 30px 8px 0;
  font-size: 0.95rem;
}

.header-search-submit {
  padding: 6px 16px;
  font-size: 0.85rem;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-btn {
  background: none;
  border: 1px solid transparent;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

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

.nav-btn.active {
  background-color: var(--primary-light);
  color: var(--primary-color);
  font-weight: 700;
}

.admin-btn {
  border: 1px dashed var(--border-color);
}

.admin-btn:hover {
  border-color: var(--primary-color);
  background-color: #f3f8ff;
}

/* 購物袋懸浮按鈕 (FAB) */
.cart-trigger-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
}

.cart-trigger {
  position: relative;
  background-color: var(--primary-color);
  border: none;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.cart-trigger:hover {
  background-color: var(--primary-hover);
  color: #ffffff;
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.cart-trigger svg {
  width: 24px;
  height: 24px;
}

.cart-count {
  position: absolute;
  top: -2px;
  right: -2px;
  background-color: var(--danger-color);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  min-width: 20px;
  height: 20px;
  border-radius: 50%;
  padding: 0 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #ffffff;
}

/* 主要內容容器 */
.app-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 80px 24px;
}

.view-section {
  display: none;
}

.view-section.active {
  display: block;
}

/* 1. 首頁搜尋與 AI 檢索樣式 */
.hero-search-container {
  text-align: center;
  padding: 48px 0 32px 0;
  max-width: 720px;
  margin: 0 auto;
}

.search-title {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.search-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.search-form {
  width: 100%;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 4px 6px 4px 18px;
  transition: var(--transition);
}

.search-input-wrapper:focus-within {
  box-shadow: 0 1px 6px rgba(32,33,36,0.28);
  border-color: rgba(223,225,229,0);
}

.search-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  margin-right: 12px;
}

#header-search-input,
#ai-search-input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  font-size: 1.05rem;
  color: var(--text-primary);
  padding: 12px 30px 12px 0;
  background: transparent;
}

.search-submit-btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  padding: 10px 24px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-submit-btn:hover {
  background-color: var(--primary-hover);
}

.search-suggestions {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.suggest-tag {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-secondary);
}

.suggest-tag:hover {
  background-color: var(--primary-light);
  color: var(--primary-color);
  border-color: var(--primary-color);
}

/* Spinner 動畫 */
.spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}

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

/* AI 分欄搜尋結果面板 */
.ai-results-panel {
  display: none; /* 動態顯示 */
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 32px 0;
  box-shadow: 0 1px 2px 0 rgba(60,64,67,0.1);
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.results-header {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 14px;
  margin-bottom: 20px;
}

.results-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-badge {
  background-color: var(--primary-color);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.close-results-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  text-decoration: underline;
  margin-left: auto;
}

.close-results-btn:hover {
  color: var(--text-primary);
}

.results-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 24px;
}

.results-column {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
}

.col-title {
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.col-title svg {
  width: 18px;
  height: 18px;
  color: var(--primary-color);
}

/* 主商品搜尋條目樣式 */
.ai-product-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ai-product-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-secondary);
  transition: var(--transition);
}

.ai-product-item:hover {
  border-color: var(--primary-color);
  background-color: #fafbfc;
}

/* AI 檢索條目照片樣式 */
.ai-item-image-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 12px;
  flex-shrink: 0;
  padding: 2px;
  position: relative;
}

.ai-item-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: opacity 0.3s ease;
}

.ai-item-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-item-placeholder svg {
  width: 24px;
  height: 24px;
  color: var(--text-muted);
}

.item-main-details {
  flex: 1;
}

.item-brand-tag {
  font-size: 0.7rem;
  color: var(--primary-color);
  background-color: var(--primary-light);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  margin-bottom: 4px;
  display: inline-block;
}

.item-main-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.item-main-spec {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.item-price-action {
  text-align: right;
  margin-left: 16px;
}

.item-price {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  font-family: 'Inter', sans-serif;
}

.add-item-btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.add-item-btn:hover {
  background-color: var(--primary-hover);
}

/* 關聯推薦加號清單 (右下角) */
.associated-info-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.recommendation-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.recommendation-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-secondary);
  transition: var(--transition);
}

.recommendation-item:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--primary-color);
}

.recommendation-details {
  flex: 1;
  margin-right: 12px;
}

.recommendation-name {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.recommendation-spec {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.recommendation-price {
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  margin-top: 2px;
}

.add-rec-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--primary-color);
  background-color: var(--bg-primary);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.1rem;
  transition: var(--transition);
}

.add-rec-btn:hover {
  background-color: var(--primary-color);
  color: white;
  transform: scale(1.1);
}

/* 主打商品區 */
.featured-products-container {
  margin-top: 56px;
}

.section-title-wrapper {
  margin-bottom: 24px;
}

.section-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.section-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* RWD 主打與目錄商品排版規定：電腦版一行 5 個商品，手機版一行 2 個商品 */
.featured-grid, .catalog-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr); /* 電腦版 5 欄 */
  gap: 12px;
}

.product-card {
  background-color: #ffffff;
  border: 1px solid #f0f0f0;
  border-radius: 8px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
  height: 100%;
  cursor: pointer;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.02);
}

.product-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  border-color: #ee4d2d; /* 蝦皮橘色邊框 */
}

/* 原廠授權經銷商型錄區塊樣式 (同商品方框大小與向左對齊) */
.brand-catalogs-container {
  width: 100%;
  margin: 32px 0;
}

.brand-catalog-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr); /* 電腦版同主打商品一行 5 個 */
  gap: 12px;
  justify-content: start;
}

.brand-catalog-card {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1; /* 嚴格 1:1 正方形方框，參考商品卡片 */
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  cursor: pointer;
}

.brand-catalog-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  border-color: var(--primary-color, #0284c7);
}

.brand-logo-wrapper {
  width: 100%;
  height: 100%;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
}

.brand-logo-img {
  max-width: 85%;
  max-height: 85%;
  object-fit: contain; /* 自動調整適配正方形 */
  transition: transform 0.3s ease;
}

.brand-catalog-card:hover .brand-logo-img {
  transform: scale(1.06);
}

/* 懸停 / 點擊反透明遮罩效果 (查看型錄) */
.brand-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.78); /* 反透明 / 半透明深色遮罩 */
  backdrop-filter: blur(2px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  opacity: 0;
  transition: opacity 0.25s ease-in-out;
  padding: 14px;
  text-align: center;
}

.brand-catalog-card:hover .brand-overlay,
.brand-catalog-card:active .brand-overlay {
  opacity: 1; /* 反透明顯示查看型錄 */
}

.brand-badge-text {
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.view-catalog-btn {
  background-color: var(--primary-color, #0284c7);
  color: #ffffff;
  border: none;
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.25);
  pointer-events: none;
}

.product-card-badge {
  position: absolute;
  top: 0;
  left: 0;
  background-color: #ee4d2d; /* 蝦皮橘紅色 */
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 8px;
  border-bottom-right-radius: 8px;
  z-index: 10;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.product-image-wrapper {
  width: 100%;
  aspect-ratio: 1; /* 嚴格 1:1 正方形 */
  background-color: #fafafa;
  border-radius: 6px;
  margin-bottom: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #f5f5f5;
  padding: 6px;
  box-sizing: border-box;
  position: relative;
}

.product-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain; /* 完整呈現不裁剪，適合水電材料等各種比例商品 */
  transition: opacity 0.3s ease, transform 0.2s ease;
}

.product-card:hover .product-image {
  transform: scale(1.03);
}

.product-illustration {
  width: 50%;
  height: 50%;
  color: var(--text-muted);
}

.product-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 4px 2px 0 2px;
}

.product-manufacturer {
  font-size: 0.7rem;
  color: #888888;
  font-weight: 700;
  margin-bottom: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: #333333;
  margin-bottom: 6px;
  line-height: 1.4;
  height: 2.8em; /* 嚴格限制為兩行高度，所有卡片對齊 */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-all;
}

.product-spec {
  color: #2b6cb0;
  font-weight: 600;
  background-color: #ebf8ff;
  padding: 2px 6px;
  border-radius: 4px;
  display: inline-block;
  font-size: 0.7rem;
  margin-bottom: 8px;
  width: fit-content;
}

.product-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  border-top: 1px dashed #f0f0f0;
}

.product-price {
  font-size: 1rem;
  font-weight: 700;
  color: #ee4d2d; /* 蝦皮橘紅價格 */
  font-family: 'Inter', sans-serif;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-add-btn {
  background-color: #fff5f2;
  border: 1px solid #ffdbd1;
  color: #ee4d2d;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.product-add-btn:hover {
  background-color: #ee4d2d;
  border-color: #ee4d2d;
  color: white;
}

.product-add-btn svg {
  width: 14px;
  height: 14px;
}

/* 創客媒合廣告樣式 */
.ad-banner-section {
  margin-top: 56px;
}

.ad-link-banner {
  display: block;
  text-decoration: none;
  background-color: var(--primary-light);
  border: 1px solid rgba(26, 115, 232, 0.2);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
}

.ad-link-banner:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.ad-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ad-tag {
  align-self: flex-start;
  background-color: var(--primary-color);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
}

.ad-content h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-color);
}

.ad-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.catalog-header {
  margin-bottom: 24px;
}

/* 現代化分類切換卡片 */
.category-tabs-container {
  display: flex;
  gap: 16px;
  margin-top: 24px;
  margin-bottom: 24px;
  overflow-x: auto;
  padding: 4px 4px 12px 4px; /* 防止陰影被截斷 */
  scrollbar-width: none; /* 隱藏 Firefox 捲軸 */
}

.category-tabs-container::-webkit-scrollbar {
  display: none; /* 隱藏 Chrome 捲軸 */
}

.category-tab {
  flex: 1;
  min-width: 120px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.category-tab:hover {
  transform: translateY(-4px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.category-icon-wrapper {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.category-icon-wrapper svg {
  width: 20px;
  height: 20px;
}

.category-tab:hover .category-icon-wrapper {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

.category-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.3s ease;
  white-space: nowrap;
}

.category-tab:hover .category-title {
  color: var(--primary-color);
}

/* 啟用中狀態 */
.category-tab.active {
  background-color: var(--bg-primary);
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(26, 115, 232, 0.12), 0 0 0 1px var(--primary-color);
  transform: translateY(-2px);
}

.category-tab.active .category-icon-wrapper {
  background-color: var(--primary-color);
  color: white;
}

.category-tab.active .category-title {
  color: var(--primary-color);
  font-weight: 700;
}

.filter-bar {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}

.filter-group {
  flex: 1;
}

.search-filter {
  flex: 2;
}

.filter-group input, .filter-group select {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.9rem;
  color: var(--text-primary);
  outline: none;
  background-color: var(--bg-primary);
  transition: var(--transition);
}

.filter-group input:focus, .filter-group select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(26,115,232,0.1);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.catalog-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.catalog-table th, .catalog-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.catalog-table th {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  font-weight: 700;
}

.catalog-table tbody tr:last-child td {
  border-bottom: none;
}

.catalog-table tbody tr:hover {
  background-color: var(--bg-secondary);
}

.catalog-img-cell {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

/* 規格藥丸標籤包裝 */
.spec-pills-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-width: 320px;
}

.spec-pill {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  font-weight: 500;
}

.catalog-img-cell img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.catalog-img-cell svg {
  width: 24px;
  height: 24px;
  color: var(--text-muted);
}

.catalog-manufacturer-tag {
  font-weight: 700;
  color: var(--primary-color);
  white-space: nowrap;
}

.catalog-name {
  font-weight: 700;
  color: var(--text-primary);
  max-width: 200px;
  display: inline-block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: middle;
}

.catalog-spec {
  font-size: 0.8rem;
  color: var(--text-secondary);
  word-break: break-all;
}

.catalog-price {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  white-space: nowrap;
}

.catalog-action-btn {
  background-color: var(--primary-light);
  border: 1px solid transparent;
  color: var(--primary-color);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

.empty-message {
  padding: 40px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 3. 管理後台樣式 */
.admin-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}

.admin-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}

/* 資料庫連線狀態樣式 */
.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  text-align: center;
}

.status-badge.status-loading {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
}

.status-badge.status-online {
  background-color: var(--success-light);
  color: var(--success-color);
}

.status-badge.status-offline {
  background-color: var(--danger-light);
  color: var(--danger-color);
}

/* 系統隨機挑選熱門商品的 Badge 樣式 (藍色) */
.product-card-badge.hot-badge {
  background-color: #1a73e8;
}

.admin-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.form-group {
  margin-bottom: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.required {
  color: var(--danger-color);
}

.form-group input, .form-group select {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.9rem;
  outline: none;
  background-color: var(--bg-primary);
  transition: var(--transition);
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--primary-color);
}

.form-help {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.info-badge {
  background-color: var(--success-light);
  color: var(--success-color);
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  display: inline-block;
  margin-left: 4px;
}

/* 自訂 Checkbox */
.checkbox-container {
  display: flex;
  align-items: center;
  position: relative;
  padding-left: 28px;
  cursor: pointer;
  font-size: 0.85rem;
  user-select: none;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 18px;
  width: 18px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 3px;
}

.checkbox-container:hover input ~ .checkmark {
  background-color: var(--bg-tertiary);
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
  display: block;
}

.checkbox-container .checkmark:after {
  left: 6px;
  top: 2px;
  width: 4px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.admin-submit-btn {
  width: 100%;
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: 8px;
  transition: var(--transition);
}

.admin-submit-btn:hover {
  background-color: var(--primary-hover);
}

.backup-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.backup-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.backup-btn {
  width: 100%;
  padding: 10px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
}

.export-btn {
  background-color: var(--success-light);
  color: var(--success-color);
  border: 1px solid rgba(24, 128, 56, 0.2);
}

.export-btn:hover {
  background-color: var(--success-color);
  color: white;
}

.import-btn {
  background-color: var(--primary-light);
  color: var(--primary-color);
  border: 1px solid rgba(26, 115, 232, 0.2);
}

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

.reset-btn {
  background-color: var(--danger-light);
  color: var(--danger-color);
  border: 1px solid rgba(217, 48, 37, 0.2);
}

.reset-btn:hover {
  background-color: var(--danger-color);
  color: white;
}

.btn-icon {
  width: 16px;
  height: 16px;
}

/* 已上架自訂商品清單 */
.uploaded-list-section {
  margin-top: 24px;
}

.sub-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.uploaded-table-wrapper {
  max-height: 250px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  text-align: left;
}

.admin-table th, .admin-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
}

.admin-table th {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
}

.admin-table tr:hover {
  background-color: var(--bg-secondary);
}

.admin-table-item-title {
  font-weight: 700;
  color: var(--text-primary);
}

.admin-table-item-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.delete-product-btn {
  background: none;
  border: none;
  color: var(--danger-color);
  cursor: pointer;
  font-weight: 700;
}

.delete-product-btn:hover {
  text-decoration: underline;
}

/* 4. 側邊滑出購物清單 (Cart Drawer) */
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  visibility: hidden;
  transition: visibility 0.3s;
}

.cart-drawer.open {
  visibility: visible;
}

.drawer-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(32, 33, 36, 0.6);
  opacity: 0;
  transition: opacity 0.3s ease-out;
}

.cart-drawer.open .drawer-overlay {
  opacity: 1;
}

.drawer-content {
  position: absolute;
  top: 0;
  right: -450px; /* 寬度 450px */
  width: 450px;
  height: 100%;
  background-color: var(--bg-primary);
  box-shadow: -4px 0 24px rgba(0,0,0,0.15);
  display: flex;
  flex-direction: column;
  transition: right 0.3s ease-out;
}

.cart-drawer.open .drawer-content {
  right: 0;
}

.drawer-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drawer-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.close-drawer-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
}

.close-drawer-btn svg {
  width: 20px;
  height: 20px;
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.drawer-sub-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  border-left: 3px solid var(--primary-color);
  padding-left: 8px;
}

/* 購物車品項細節 */
.cart-items-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-secondary);
}

.cart-item-info {
  flex: 1;
  margin-right: 12px;
}

.cart-item-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

.cart-item-spec {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.cart-item-qty-price {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
}

.qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-primary);
}

.qty-btn {
  background: none;
  border: none;
  width: 26px;
  height: 26px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  color: var(--text-secondary);
}

.qty-btn:hover {
  background-color: var(--bg-secondary);
}

.qty-value {
  padding: 0 8px;
  font-size: 0.85rem;
  font-weight: 700;
  min-width: 28px;
  text-align: center;
}

.cart-item-price {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
}

.remove-cart-item {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
}

.remove-cart-item:hover {
  color: var(--danger-color);
}

.remove-cart-item svg {
  width: 16px;
  height: 16px;
}

.cart-empty-message {
  text-align: center;
  padding: 32px 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.cart-total-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 12px;
  background-color: var(--primary-light);
  border-radius: var(--radius-sm);
  margin-top: 14px;
  font-weight: 700;
}

.total-price {
  color: var(--primary-color);
  font-family: 'Inter', sans-serif;
  font-size: 1.15rem;
}

/* 常備消耗件推薦 (加號按鈕) */
.upsell-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.upsell-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-primary);
  transition: var(--transition);
}

.upsell-item:hover {
  background-color: var(--bg-secondary);
  border-color: var(--primary-color);
}

.upsell-info {
  display: flex;
  flex-direction: column;
  flex: 1;
  margin-right: 12px;
}

.upsell-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
}

.upsell-price {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  margin-top: 2px;
}

.cart-info-section .form-group {
  margin-bottom: 12px;
}

.cart-info-section label {
  font-size: 0.8rem;
  font-weight: 700;
}

.cart-info-section input, .cart-info-section select {
  padding: 8px 10px;
  font-size: 0.85rem;
}

/* Drawer Footer 下單按鈕 */
.drawer-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  display: flex;
  gap: 12px;
}

.action-btn {
  flex: 1;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
  border: none;
}

.pdf-btn {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.pdf-btn:hover {
  background-color: var(--bg-tertiary);
}

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

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

/* 5. 免責聲明模態彈窗 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(32, 33, 36, 0.6);
  z-index: 1001;
  display: none; /* 動態切換 flex */
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-box {
  background-color: var(--bg-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  max-width: 500px;
  width: 100%;
  padding: 24px;
  animation: modalIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-box h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

.modal-body-content {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 300px;
  overflow-y: auto;
  margin-bottom: 20px;
}

.modal-close-btn {
  width: 100%;
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 10px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close-btn:hover {
  background-color: var(--primary-hover);
}

/* 6. 店家資訊頁尾 */
.app-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 40px 24px 20px 24px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
}

.footer-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.footer-info p {
  line-height: 1.5;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.disclaimer-trigger button {
  background: none;
  border: none;
  color: var(--primary-color);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 700;
}

.disclaimer-trigger button:hover {
  text-decoration: underline;
}

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

/* 隱蔽聯絡管道設計 - 低對比度、微型小字連結，避免散戶隨意撥打 */
.covert-contact-link {
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.4;
  text-decoration: none;
  transition: var(--transition);
}

.covert-contact-link:hover {
  opacity: 1;
  color: var(--primary-color);
  text-decoration: underline;
}

/* 首頁照片跑馬燈彈幕 */
.photo-barrage-wrapper {
  width: 100%;
  overflow: hidden;
  position: relative;
  margin: 10px auto 40px auto;
  padding: 10px 0;
  background-color: var(--bg-primary);
}

.photo-barrage {
  display: flex;
  width: max-content;
  gap: 20px;
  animation: marquee 25s linear infinite;
}

.photo-barrage img {
  height: 160px;
  width: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.photo-barrage img:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.12);
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* 智慧自動提示 */
.autocomplete-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  z-index: 10;
  max-height: 200px;
  overflow-y: auto;
  display: none;
}

.autocomplete-suggestion {
  padding: 10px 14px;
  cursor: pointer;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--bg-secondary);
  transition: var(--transition);
}

.autocomplete-suggestion:last-child {
  border-bottom: none;
}

.autocomplete-suggestion:hover {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

/* 備份按鈕行樣式 */
.backup-actions-row {
  display: flex;
  gap: 16px;
}

.backup-actions-row .backup-btn {
  flex: 1;
}

/* 試算表式表格編輯 */
.spreadsheet-card {
  display: flex;
  flex-direction: column;
}

.spreadsheet-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 16px;
}

.spreadsheet-header h3 {
  border-bottom: none !important;
  margin-bottom: 0 !important;
  padding-bottom: 0 !important;
}

.spreadsheet-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

#admin-search-input {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 0.85rem;
  outline: none;
  width: 240px;
  transition: var(--transition);
}

#admin-search-input:focus {
  border-color: var(--primary-color);
}

.action-btn-sm {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.add-row-btn {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.add-row-btn:hover {
  background-color: var(--border-color);
}

.save-changes-btn {
  background-color: var(--success-color);
  color: white;
}

.save-changes-btn:hover {
  background-color: #136c2f;
}

.spreadsheet-table-wrapper {
  overflow-x: auto;
  max-height: 450px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.spreadsheet-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}

.spreadsheet-table th, .spreadsheet-table td {
  padding: 6px 8px;
  border: 1px solid var(--border-color);
}

.spreadsheet-table th {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  font-weight: 700;
  position: sticky;
  top: 0;
  z-index: 2;
}

.spreadsheet-table td input, .spreadsheet-table td select {
  width: 100%;
  border: 1px solid transparent;
  padding: 6px 8px;
  font-size: 0.85rem;
  background: transparent;
  outline: none;
  border-radius: 2px;
  transition: var(--transition);
}

.spreadsheet-table td input:focus, .spreadsheet-table td select:focus {
  background-color: var(--bg-primary);
  border-color: var(--primary-color);
  box-shadow: 0 0 4px rgba(26,115,232,0.2);
}

.spreadsheet-table td input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary-color);
  cursor: pointer;
  display: block;
  margin: 0 auto;
}

.spreadsheet-table tr:hover {
  background-color: #fafafa;
}

.spreadsheet-table tr:hover td input {
  border-color: #e0e0e0;
}

.action-delete-btn {
  background: none;
  border: none;
  color: var(--danger-color);
  font-weight: 700;
  cursor: pointer;
  display: block;
  margin: 0 auto;
}

.action-delete-btn:hover {
  text-decoration: underline;
}

/* Excel 導入大框 */
.bulk-paste-card textarea {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: monospace;
  font-size: 0.8rem;
  outline: none;
  resize: vertical;
  background-color: var(--bg-secondary);
  transition: var(--transition);
}

.bulk-paste-card textarea:focus {
  background-color: var(--bg-primary);
  border-color: var(--primary-color);
}

/* ---------------------------------------------------- */
/* RWD 響應式佈局 (Mobile adaptive styles)             */
/* ---------------------------------------------------- */

@media (max-width: 900px) {
  .results-grid {
    grid-template-columns: 1fr; /* AI 搜尋分欄在平板/手機上改為單欄上下排列 */
    gap: 16px;
  }
  
  .admin-grid {
    grid-template-columns: 1fr; /* 後台上架與備份在平板/手機改為上下排列 */
    gap: 24px;
  }
}

@media (max-width: 768px) {
  /* 頂部導覽列改為垂直排列 */
  .header-container {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }
  
  .brand {
    justify-content: center;
  }
  
  .nav-links {
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    width: 100%;
  }

  .nav-btn {
    padding: 6px 12px;
    font-size: 0.82rem;
    white-space: nowrap;
  }

  .header-search-form {
    margin: 0 0 8px 0;
    max-width: 100%;
    width: 100%;
  }
  
  /* 搜尋區塊高度縮減 */
  .hero-search-container {
    padding: 24px 0 16px 0;
  }
  
  .search-title {
    font-size: 1.4rem;
  }
  
  .search-input-wrapper {
    padding-left: 12px;
  }
  
#header-search-input,
#ai-search-input {
  font-size: 0.95rem;
}
  
  .search-submit-btn {
    padding: 8px 16px;
    font-size: 0.85rem;
  }
  
  /* RWD 規定：手機版 (<= 768px) 一行 2 個商品與型錄方框 */
  .featured-grid, .catalog-grid, .brand-catalog-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }
  
  .product-card {
    padding: 8px;
    border-radius: 6px;
  }
  
  .product-image-wrapper {
    padding: 4px;
    margin-bottom: 6px;
  }
  
  .product-name {
    font-size: 0.75rem;
    height: 2.8em; /* 保持兩行高度 */
    line-height: 1.4;
    margin-bottom: 4px;
  }
  
  .product-manufacturer {
    font-size: 0.65rem;
    margin-bottom: 2px;
  }
  
  .product-spec {
    font-size: 0.65rem;
    padding: 1px 4px;
    margin-bottom: 6px;
  }
  
  .product-price {
    font-size: 0.85rem;
  }
  
  .product-footer {
    padding-top: 6px;
  }
  
  /* 分類卡片橫向滑動列 (手機端觸控體驗優化) */
  .category-tabs-container {
    display: flex !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    padding-bottom: 8px !important;
    gap: 8px !important;
  }
  .category-tabs-container::-webkit-scrollbar {
    display: none !important;
  }
  .category-tab {
    flex: 0 0 auto !important;
    min-width: 105px !important;
  }

  /* Hero Banner 手機端視覺自適應 */
  .hero-campaign-banner {
    padding: 24px 18px !important;
    margin-bottom: 18px !important;
  }
  .hero-campaign-banner h2 {
    font-size: 1.35rem !important;
    line-height: 1.35 !important;
  }
  .hero-campaign-banner p {
    font-size: 0.88rem !important;
    margin-bottom: 16px !important;
  }
  .hero-campaign-banner button,
  .hero-campaign-banner a {
    width: 100% !important;
    justify-content: center !important;
    text-align: center !important;
    padding: 12px 16px !important;
  }

  /* AI 搜尋結果在小手機畫面的排版優化 */
  .ai-product-item {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
    padding: 12px !important;
  }
  .ai-item-image-wrapper {
    width: 100% !important;
    height: 130px !important;
  }
  .item-price-action {
    display: flex !important;
    flex-direction: row !important;
    justify-content: space-between !important;
    align-items: center !important;
    width: 100% !important;
    margin-top: 4px !important;
  }

  /* 商品詳情彈窗手機版自適應 */
  .modal-product-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .modal-content-card {
    width: 95% !important;
    max-height: 90vh !important;
    padding: 18px !important;
  }
  
  /* 商品目錄過濾器改為垂直排列 */
  .filter-bar {
    flex-direction: column;
    gap: 10px;
  }
  
  /* 出貨單側欄寬度自適應手機 */
  .drawer-content {
    width: 100%;
    right: -100%;
  }
  
  /* 頁尾改為直式 */
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }
}

/* 效能優化提示條 */
.limit-alert-banner {
  background-color: #fff3cd;
  border: 1px solid #ffeeba;
  color: #856404;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  margin-top: 10px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.4;
}

/* 商品目錄卡片額外樣式 */
.catalog-card {
  cursor: pointer;
  height: 100%;
}

/* 商品詳情彈窗樣式 */
.modal-close-btn-round {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 24px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  z-index: 10;
}

.modal-close-btn-round:hover {
  background-color: var(--border-color);
  color: var(--danger-color);
}

.product-detail-box {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  padding: 32px;
  position: relative;
  overflow-y: auto;
  animation: modalScaleIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
}

@keyframes modalScaleIn {
  from {
    transform: scale(0.95);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.modal-detail-content {
  display: flex;
  gap: 32px;
  margin-top: 10px;
  text-align: left;
}

.modal-detail-left {
  flex: 1;
  max-width: 350px;
}

.modal-image-wrapper {
  width: 100%;
  aspect-ratio: 1;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  box-sizing: border-box;
  position: relative; /* 限制內部滿版 Logo Placeholder 範圍，避免蓋住右側購買控制項 */
}

.modal-image-wrapper img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  position: relative;
  z-index: 2;
}

.modal-detail-right {
  flex: 1.2;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 2;
}

.modal-manufacturer-tag {
  align-self: flex-start;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--primary-color);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.modal-product-name {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  line-height: 1.4;
}

.modal-info-row {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.modal-info-row label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 600;
  min-width: 80px;
  text-align: left;
}

.modal-spec-select {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
  transition: var(--transition);
}

.modal-spec-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(26,115,232,0.15);
}

.price-row {
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
  margin-top: 10px;
}

.price-label {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 600;
  min-width: 80px;
}

.modal-price {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--danger-color);
  font-family: 'Inter', sans-serif;
}

.qty-row {
  align-items: center;
}

.qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  width: 140px;
  height: 40px;
}

.qty-btn {
  width: 40px;
  height: 100%;
  background-color: var(--bg-secondary);
  border: none;
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
}

.qty-btn:hover {
  background-color: var(--border-color);
}

.qty-control input {
  width: 60px;
  height: 100%;
  border: none;
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
  outline: none;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  -moz-appearance: textfield;
}

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

.modal-actions-row {
  margin-top: auto;
  padding-top: 20px;
}

.add-to-cart-modal-btn {
  width: 100%;
  height: 48px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.add-to-cart-modal-btn:hover {
  background-color: #1557b0;
  box-shadow: 0 4px 12px rgba(26,115,232,0.3);
}

/* 為了讓模糊與背景變淡更漂亮，新增動畫與模糊遮罩樣式 */
.modal-overlay {
  backdrop-filter: blur(4px);
  transition: opacity 0.3s ease;
}

/* 手機版 RWD 覆蓋樣式 */
@media (max-width: 600px) {
  
  .product-detail-box {
    padding: 20px;
    width: 95%;
    max-height: 95vh;
  }
  
  .modal-detail-content {
    flex-direction: column;
    gap: 16px;
  }
  
  .modal-detail-left {
    max-width: 100%;
  }
  
  .modal-image-wrapper {
    aspect-ratio: 1.5; /* 讓圖片在手機上高度合適，不佔據一整屏 */
  }
  
  .modal-product-name {
    font-size: 1.15rem;
    margin-bottom: 12px;
  }
  
  .modal-info-row {
    margin-bottom: 12px;
  }
  
  .price-row {
    padding: 10px 0;
  }
  
  .modal-price {
    font-size: 1.5rem;
  }
}

/* ==========================================
   後台訂單管理系統樣式 (Orders Management System)
   ========================================== */

.orders-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 1px 2px 0 rgba(60,64,67,0.1);
}

.orders-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 16px;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 16px;
}

.orders-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.orders-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

#admin-orders-search {
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  outline: none;
  width: 240px;
  transition: var(--transition);
}

#admin-orders-search:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px var(--primary-light);
}

.refresh-orders-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.refresh-orders-btn:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--text-secondary);
}

.orders-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-primary);
}

.orders-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.orders-table th {
  background-color: var(--bg-secondary);
  border-bottom: 2px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 700;
  padding: 12px 16px;
  white-space: nowrap;
}

.orders-table td {
  border-bottom: 1px solid var(--border-color);
  padding: 14px 16px;
  vertical-align: top;
}

.order-row {
  transition: background-color 0.15s ease;
}

.order-row:hover {
  background-color: rgba(26,115,232,0.02);
}

.order-items-summary {
  margin: 0;
  padding-left: 18px;
  color: var(--text-secondary);
}

.order-items-summary li {
  margin-bottom: 4px;
}

.delivery-badge {
  display: inline-block;
  background-color: var(--primary-light);
  color: var(--primary-color);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* 按鈕微小調整 */
.print-order-btn:hover {
  background-color: var(--bg-tertiary) !important;
  border-color: var(--text-muted) !important;
}

.delete-order-btn:hover {
  background-color: var(--danger-light) !important;
  border-color: var(--danger-color) !important;
  color: var(--danger-color) !important;
}

/* 手機版 RWD 調整 */
@media (max-width: 768px) {
  .orders-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .orders-actions {
    width: 100%;
  }
  
  #admin-orders-search {
    width: 100%;
  }
  
  .refresh-orders-btn {
    width: 100%;
    text-align: center;
  }
}

/* ==================================================== */
/* 政策與聲明頁面 & 社群連結樣式                         */
/* ==================================================== */

/* 政策與聲明版面 */
.policy-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 0;
}

.policy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.policy-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
}

.policy-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: var(--primary-color);
}

.policy-card-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.policy-icon-svg {
  width: 32px;
  height: 32px;
  color: var(--primary-color);
  margin-bottom: 16px;
  display: block;
}

.policy-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.policy-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.policy-community-box {
  margin-top: 40px;
  background-color: var(--primary-light);
  border: 1px dashed var(--primary-color);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
}

.policy-community-box h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.policy-community-box p {
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.policy-social-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* 頁首 / 頁尾社群連結樣式 */
.footer-social-links {
  display: flex;
  gap: 12px;
  align-items: center;
}

.social-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.social-link svg {
  margin-right: 4px;
}

.line-link {
  background-color: #06C755;
  color: white;
}

.line-link:hover {
  background-color: #05b04b;
}

.fb-link {
  background-color: #1877F2;
  color: white;
}

.fb-link:hover {
  background-color: #166fe5;
}

.shopee-link {
  background-color: #ffffff;
  color: #EE4D2D;
  border: 1px solid #EE4D2D;
}

.shopee-link:hover {
  background-color: #fff5f2;
  color: #d73f21;
  border-color: #d73f21;
}

/* 首頁社群推廣區塊樣式 */
.community-section {
  max-width: 1200px;
  margin: 32px auto;
}

.community-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.community-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.community-info p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.community-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.community-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
  color: white;
}

.community-btn.line-btn {
  background-color: #06C755;
}

.community-btn.line-btn:hover {
  background-color: #05b04b;
  transform: translateY(-2px);
}

.community-btn.fb-btn {
  background-color: #1877F2;
}

.community-btn.fb-btn:hover {
  background-color: #166fe5;
  transform: translateY(-2px);
}

.community-btn.shopee-btn {
  background-color: #ffffff;
  color: #EE4D2D;
  border: 1px solid #EE4D2D;
}

.community-btn.shopee-btn:hover {
  background-color: #fff5f2;
  color: #d73f21;
  border-color: #d73f21;
  transform: translateY(-2px);
}

/* RWD 政策頁面與社群按鈕響應式排版 */
@media (max-width: 768px) {
  .policy-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .community-card {
    flex-direction: column;
    text-align: center;
    align-items: stretch;
  }
  
  .community-actions {
    justify-content: center;
  }
  
  .community-btn {
    flex: 1;
    justify-content: center;
    padding: 8px 12px;
    font-size: 0.82rem;
  }

  /* 手機版隱藏 Facebook 與蝦皮按鈕，僅保留 LINE 官方帳號按鈕 */
  .community-actions .fb-btn,
  .community-actions .shopee-btn,
  .policy-social-actions .fb-btn,
  .policy-social-actions .shopee-btn {
    display: none;
  }
}

/* ==========================================
   B2B 企業級控制台與數據分析儀表板 (DESIGN.md Inspired)
   ========================================== */

.admin-control-header {
  background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 45%, #7dd3fc 100%);
  border: 1px solid #93c5fd;
  color: #0f172a;
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 24px;
  box-shadow: 0 10px 25px -5px rgba(14, 165, 233, 0.15);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.admin-brand-logo {
  height: 52px;
  width: auto;
  border-radius: 10px;
  border: 2px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
}

.admin-badge-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.admin-enterprise-badge {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  color: #0284c7;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid rgba(2, 132, 199, 0.2);
  letter-spacing: 0.5px;
}

.admin-status-live {
  color: #16a34a;
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.admin-control-header h2 {
  margin: 0 0 6px 0;
  font-size: 1.45rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: 0.2px;
}

.admin-control-header p {
  margin: 0;
  font-size: 0.9rem;
  color: #334155;
  line-height: 1.5;
}

.admin-header-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.admin-action-btn {
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: none;
}

.admin-action-btn.primary-btn {
  background-color: #10b981;
  color: #ffffff;
  box-shadow: 0 3px 10px rgba(16, 185, 129, 0.3);
}

.admin-action-btn.primary-btn:hover {
  background-color: #059669;
}

.admin-action-btn.accent-btn {
  background-color: #2563eb;
  color: #ffffff;
  box-shadow: 0 3px 10px rgba(37, 99, 235, 0.3);
}

.admin-action-btn.accent-btn:hover {
  background-color: #1d4ed8;
}

.admin-action-btn.secondary-btn {
  background-color: rgba(255, 255, 255, 0.85);
  color: #0f172a;
  border: 1px solid #cbd5e1;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.05);
}

.admin-action-btn.secondary-btn:hover {
  background-color: #ffffff;
  border-color: #94a3b8;
}

.admin-action-btn.danger-btn {
  background-color: rgba(239, 68, 68, 0.12);
  color: #dc2626;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.admin-action-btn.danger-btn:hover {
  background-color: #dc2626;
  color: #ffffff;
}

/* 數據分析 KPI 卡片區塊 */
.analytics-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  box-shadow: 0 4px 15px -2px rgba(15, 23, 42, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px -4px rgba(15, 23, 42, 0.08);
}

.kpi-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.kpi-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.kpi-icon-box {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.kpi-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.kpi-trend {
  font-size: 0.78rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.kpi-trend.up {
  color: #16a34a;
}

.kpi-trend.neutral {
  color: #2563eb;
}

/* 營業額趨勢折線圖卡片 */
.chart-analytics-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 24px;
  box-shadow: 0 4px 15px -2px rgba(15, 23, 42, 0.04);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.chart-header h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chart-timeframe-btns {
  display: flex;
  gap: 6px;
  background: #f1f5f9;
  padding: 4px;
  border-radius: 6px;
}

.timeframe-btn {
  background: transparent;
  border: none;
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #64748b;
  cursor: pointer;
  transition: all 0.2s ease;
}

.timeframe-btn.active {
  background: #ffffff;
  color: #2563eb;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.chart-wrapper {
  position: relative;
  width: 100%;
  height: 280px;
}

/* 熱銷品類佔比條 */
.category-analytics-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 24px;
  box-shadow: 0 4px 15px -2px rgba(15, 23, 42, 0.04);
}

.category-bar-item {
  margin-bottom: 16px;
}

.category-bar-item:last-child {
  margin-bottom: 0;
}

.category-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 6px;
}

.category-bar-track {
  height: 10px;
  background: #f1f5f9;
  border-radius: 5px;
  overflow: hidden;
}

.category-bar-fill {
  height: 100%;
  border-radius: 5px;
  transition: width 0.6s ease;
}

@media (max-width: 900px) {
  .analytics-charts-grid {
    grid-template-columns: 1fr !important;
  }
}