/* 工商名冊產品目錄 - 樣式表 */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #10b981;
  --accent: #f59e0b;
  --danger: #ef4444;
  --dark: #1e293b;
  --gray: #64748b;
  --light: #f1f5f9;
  --white: #ffffff;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius: 12px;
  --radius-sm: 8px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  color: var(--dark);
  line-height: 1.6;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

/* 頁首 */
.header {
  background: var(--white);
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  margin-bottom: 30px;
  text-align: center;
}

.header h1 {
  color: var(--dark);
  font-size: 2.5rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

.header h1 .icon {
  font-size: 3rem;
}

.header .company {
  color: var(--gray);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.header .contact-info {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-top: 15px;
}

.header .contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 500;
}

/* 搜尋框 */
.search-section {
  background: var(--white);
  padding: 25px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  margin-bottom: 25px;
}

.search-box {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.search-box input {
  flex: 1;
  min-width: 280px;
  padding: 15px 20px;
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: all 0.3s;
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-box button {
  padding: 15px 30px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.search-box button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* 分類標籤 */
.category-tabs {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-bottom: 25px;
}

.category-tab {
  padding: 12px 25px;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow);
}

.category-tab:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.category-tab .count {
  background: rgba(0, 0, 0, 0.1);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.85rem;
}

.category-tab.active .count {
  background: rgba(255, 255, 255, 0.2);
}

/* 產品網格 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 25px;
}

/* 產品卡片 */
.product-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: all 0.3s;
  cursor: pointer;
  position: relative;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-card .category-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  padding: 5px 12px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 20px;
}

.product-card .card-body {
  padding: 25px;
}

.product-card .code {
  color: var(--gray);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.product-card h3 {
  color: var(--dark);
  font-size: 1.2rem;
  margin-bottom: 12px;
  line-height: 1.4;
}

.product-card .description {
  color: var(--gray);
  font-size: 0.9rem;
  margin-bottom: 15px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card .price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--danger);
  margin-bottom: 15px;
}

.product-card .btn-detail {
  width: 100%;
  padding: 12px;
  background: var(--light);
  color: var(--primary);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.product-card .btn-detail:hover {
  background: var(--primary);
  color: var(--white);
}

/* 產品詳情頁 */
.product-detail {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.product-detail .detail-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 40px;
  text-align: center;
}

.product-detail .detail-header .code {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 10px;
}

.product-detail .detail-header h2 {
  font-size: 2rem;
  margin-bottom: 15px;
}

.product-detail .detail-header .price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
}

.product-detail .detail-body {
  padding: 40px;
}

.product-detail .section {
  margin-bottom: 30px;
}

.product-detail .section h3 {
  color: var(--primary);
  font-size: 1.3rem;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.product-detail .features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
}

.product-detail .feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px;
  background: var(--light);
  border-radius: var(--radius-sm);
}

.product-detail .feature-item .icon {
  color: var(--secondary);
  font-size: 1.2rem;
}

.product-detail .notice-box {
  background: #fef3c7;
  border-left: 4px solid var(--accent);
  padding: 20px;
  border-radius: var(--radius-sm);
  color: #92400e;
}

.product-detail .notice-box h4 {
  margin-bottom: 10px;
}

.product-detail .action-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.product-detail .btn-order {
  flex: 1;
  min-width: 200px;
  padding: 18px 30px;
  background: var(--danger);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  text-align: center;
}

.product-detail .btn-order:hover {
  background: #dc2626;
  transform: translateY(-2px);
}

.product-detail .btn-back {
  padding: 18px 30px;
  background: var(--light);
  color: var(--dark);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.product-detail .btn-back:hover {
  background: #e2e8f0;
}

.product-detail .related-products {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 2px solid var(--light);
}

.product-detail .related-products h3 {
  margin-bottom: 20px;
}

.product-detail .related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
}

.product-detail .related-card {
  padding: 20px;
  background: var(--light);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s;
}

.product-detail .related-card:hover {
  background: #e2e8f0;
}

.product-detail .related-card .code {
  color: var(--gray);
  font-size: 0.85rem;
}

.product-detail .related-card h4 {
  color: var(--dark);
  font-size: 0.95rem;
  margin: 5px 0;
}

.product-detail .related-card .price {
  color: var(--danger);
  font-weight: 700;
}

/* 訂購表單 */
.order-form {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 40px;
  max-width: 800px;
  margin: 0 auto;
}

.order-form h2 {
  color: var(--dark);
  font-size: 2rem;
  margin-bottom: 10px;
  text-align: center;
}

.order-form .subtitle {
  color: var(--gray);
  text-align: center;
  margin-bottom: 30px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--dark);
  font-weight: 600;
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.product-select-section {
  background: var(--light);
  padding: 25px;
  border-radius: var(--radius);
  margin-bottom: 25px;
}

.product-select-section h3 {
  color: var(--primary);
  margin-bottom: 15px;
}

.selected-product {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  background: var(--white);
  border-radius: var(--radius-sm);
  margin-bottom: 15px;
  flex-wrap: wrap;
  gap: 10px;
}

.selected-product .info h4 {
  color: var(--dark);
  margin-bottom: 5px;
}

.selected-product .info .code {
  color: var(--gray);
  font-size: 0.9rem;
}

.selected-product .price {
  color: var(--danger);
  font-weight: 700;
  font-size: 1.2rem;
}

.price-summary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 25px;
  border-radius: var(--radius);
  margin: 25px 0;
}

.price-summary .row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.price-summary .row:last-child {
  margin-bottom: 0;
  padding-top: 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  font-size: 1.3rem;
  font-weight: 700;
}

.price-summary .tax-note {
  font-size: 0.85rem;
  opacity: 0.9;
}

.btn-submit {
  width: 100%;
  padding: 18px;
  background: var(--secondary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-submit:hover {
  background: #059669;
  transform: translateY(-2px);
}

.company-info-box {
  background: var(--light);
  padding: 20px;
  border-radius: var(--radius);
  margin-top: 30px;
}

.company-info-box h4 {
  color: var(--primary);
  margin-bottom: 10px;
}

.company-info-box p {
  margin-bottom: 5px;
  color: var(--gray);
}

/* 確認頁 */
.confirmation {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 50px;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.confirmation .success-icon {
  font-size: 5rem;
  margin-bottom: 20px;
}

.confirmation h2 {
  color: var(--secondary);
  font-size: 2rem;
  margin-bottom: 15px;
}

.confirmation .order-number {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 25px;
}

.confirmation .message {
  color: var(--gray);
  margin-bottom: 30px;
  line-height: 1.8;
}

.confirmation .info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  text-align: left;
  margin-bottom: 30px;
}

.confirmation .info-item {
  padding: 15px;
  background: var(--light);
  border-radius: var(--radius-sm);
}

.confirmation .info-item .label {
  color: var(--gray);
  font-size: 0.85rem;
  margin-bottom: 5px;
}

.confirmation .info-item .value {
  color: var(--dark);
  font-weight: 600;
}

.confirmation .btn-home {
  display: inline-block;
  padding: 15px 40px;
  background: var(--primary);
  color: var(--white);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: all 0.3s;
}

.confirmation .btn-home:hover {
  background: var(--primary-dark);
}

/* 無搜尋結果 */
.no-results {
  text-align: center;
  padding: 60px 20px;
  background: var(--white);
  border-radius: var(--radius);
}

.no-results .icon {
  font-size: 4rem;
  margin-bottom: 20px;
}

.no-results h3 {
  color: var(--dark);
  margin-bottom: 10px;
}

.no-results p {
  color: var(--gray);
}

/* 載入中 */
.loading {
  text-align: center;
  padding: 60px 20px;
}

.loading .spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--light);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

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

/* 麵包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s;
}

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

.breadcrumb span {
  color: var(--gray);
}

/* 頁尾 */
.footer {
  text-align: center;
  padding: 30px;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 40px;
}

.footer a {
  color: var(--white);
  text-decoration: none;
}

/* 響應式 */
@media (max-width: 768px) {
  .header h1 {
    font-size: 1.8rem;
  }
  
  .header h1 .icon {
    font-size: 2rem;
  }
  
  .contact-info {
    flex-direction: column;
    gap: 10px;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .product-detail .detail-body {
    padding: 25px;
  }
  
  .order-form {
    padding: 25px;
  }
  
  .confirmation {
    padding: 30px 20px;
  }
}

/* 動畫 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.5s ease forwards;
}