:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --secondary-color: #f59e0b;
  --bg-color: #0f0f0f;
  --bg-secondary: #1a1a1a;
  --bg-card: #242424;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --border-color: #333;
  --success-color: #22c55e;
  --error-color: #ef4444;
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
}

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

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

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

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

.btn-secondary:hover {
  border-color: var(--primary-color);
}

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

.btn-danger:hover {
  background: #dc2626;
}

.card {
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: all 0.3s ease;
}

.card:hover {
  border-color: var(--primary-color);
  transform: translateY(-4px);
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  transition: border-color 0.3s ease;
}

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

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.badge-sale {
  background: var(--error-color);
  color: white;
}

.price {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
}

.original-price {
  text-decoration: line-through;
  color: var(--text-secondary);
  font-size: 16px;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 24px;
}

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

.header {
  background: rgba(15, 15, 15, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 700;
}

.logo-icon { font-size: 28px; }

.logo-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-toggle {
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-weight: 600;
  transition: all 0.3s ease;
}

.lang-toggle:hover {
  border-color: var(--primary-color);
}

.admin-link {
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  font-weight: 500;
  transition: all 0.3s ease;
}

.admin-link:hover {
  border-color: var(--primary-color);
  color: var(--text-primary);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: transparent;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-color);
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    border-bottom: 1px solid var(--border-color);
    display: none;
  }
  
  .nav.open { display: flex; }
  
  .mobile-menu-btn { display: flex; }
  .admin-link { display: none; }
}

.hero {
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  z-index: -1;
}

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

.hero-title {
  font-size: 56px;
  font-weight: 800;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, #a0a0a0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.hero-btn {
  font-size: 18px;
  padding: 16px 40px;
}

@media (max-width: 768px) {
  .hero-title { font-size: 36px; }
  .hero-subtitle { font-size: 16px; }
  .hero { padding: 80px 0 60px; }
}

.categories-section {
  background: var(--bg-secondary);
  padding: 60px 0;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 30px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.category-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.category-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.category-name {
  font-weight: 600;
  color: var(--text-primary);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.view-all-link {
  color: var(--primary-color);
  font-weight: 600;
  transition: color 0.3s ease;
}

.view-all-link:hover {
  color: var(--primary-dark);
}

.product-card {
  display: block;
}

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

.product-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.product-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
}

.product-image-placeholder span {
  font-size: 64px;
  opacity: 0.5;
}

.product-card .badge {
  position: absolute;
  top: 12px;
  left: 12px;
}

.product-info { padding: 16px; }

.product-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}

.product-pricing {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.product-pricing .price {
  font-size: 18px;
  font-weight: 700;
}

.product-reviews {
  display: flex;
  align-items: center;
  gap: 8px;
}

.stars {
  color: #fbbf24;
  font-size: 12px;
}

.review-count {
  font-size: 12px;
  color: var(--text-secondary);
}

.out-of-stock-badge {
  margin-top: 8px;
  padding: 4px 8px;
  background: var(--error-color);
  color: white;
  font-size: 12px;
  border-radius: 4px;
  text-align: center;
}

.features-section {
  background: var(--bg-secondary);
  padding: 60px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.feature-card {
  text-align: center;
  padding: 40px 30px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: var(--primary-color);
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.feature-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-desc {
  color: var(--text-secondary);
  font-size: 14px;
}

@media (max-width: 992px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
  .features-grid { grid-template-columns: 1fr; }
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-subtitle {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-desc {
  color: var(--text-secondary);
  line-height: 1.7;
}

.footer-links {
  list-style: none;
}

.footer-links li { margin-bottom: 12px; }

.footer-links a {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

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

.footer-section p {
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  text-align: center;
  color: var(--text-secondary);
}

@media (max-width: 992px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

.products-page {
  padding: 40px 0;
  min-height: 70vh;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
}

.products-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 40px;
}

.products-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.sidebar-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.category-filter {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-btn {
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  text-align: left;
  transition: all 0.3s ease;
}

.filter-btn:hover {
  border-color: var(--primary-color);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
}

@media (max-width: 992px) {
  .products-layout { grid-template-columns: 1fr; }
  .products-sidebar { position: static; }
  .category-filter {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .filter-btn { flex: 0 0 auto; }
}

.product-detail-page { padding: 40px 0; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  font-size: 14px;
  color: var(--text-secondary);
}

.breadcrumb a {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

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

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

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

.main-image {
  position: relative;
  aspect-ratio: 1;
  background: var(--bg-card);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

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

.main-image .badge {
  position: absolute;
  top: 16px;
  left: 16px;
}

.image-thumbnails {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.thumbnail {
  width: 80px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid var(--border-color);
  background: var(--bg-card);
  padding: 0;
  transition: border-color 0.3s ease;
}

.thumbnail:hover, .thumbnail.active {
  border-color: var(--primary-color);
}

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

.product-detail-info { padding: 20px 0; }

.product-detail-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.rating-text {
  color: var(--text-secondary);
  font-size: 14px;
}

.product-detail-pricing {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.detail-price {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-color);
}

.detail-original-price {
  font-size: 20px;
  color: var(--text-secondary);
  text-decoration: line-through;
}

.product-stock { margin-bottom: 24px; }

.in-stock { color: var(--success-color); font-weight: 500; }
.out-of-stock { color: var(--error-color); font-weight: 500; }

.product-description {
  margin-bottom: 24px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.product-features { margin-bottom: 24px; }

.product-features h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
}

.product-features ul { list-style: none; }

.product-features li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  color: var(--text-secondary);
}

.product-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success-color);
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.tag {
  padding: 6px 12px;
  background: var(--bg-secondary);
  border-radius: 20px;
  font-size: 12px;
  color: var(--text-secondary);
}

.product-actions {
  display: flex;
  gap: 16px;
}

.btn-large {
  flex: 1;
  padding: 16px 32px;
  font-size: 16px;
}

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

.related-products {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
}

@media (max-width: 992px) {
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .product-gallery { position: static; }
}

@media (max-width: 576px) {
  .product-detail-title { font-size: 22px; }
  .detail-price { font-size: 24px; }
  .product-actions { flex-direction: column; }
}

.admin-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
}

.login-header { text-align: center; margin-bottom: 32px; }

.login-icon {
  font-size: 48px;
  display: block;
  margin-bottom: 16px;
}

.login-header h1 {
  font-size: 24px;
  font-weight: 700;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.error-message {
  padding: 12px 16px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--error-color);
  border-radius: 8px;
  color: var(--error-color);
  font-size: 14px;
}

.login-btn {
  width: 100%;
  margin-top: 8px;
}

.login-hint {
  text-align: center;
  color: var(--text-secondary);
  font-size: 12px;
  margin-top: 24px;
}

.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 260px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.admin-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
}

.admin-logo span:first-child { font-size: 24px; }

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 8px;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

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

.nav-item.active {
  background: var(--gradient-primary);
  color: white;
}

.nav-icon { font-size: 18px; }
.nav-label { font-weight: 500; }

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border-color);
}

.admin-main {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-color);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
}

.sidebar-toggle {
  display: none;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 20px;
}

.logout-btn {
  padding: 8px 16px;
  background: var(--error-color);
  border-radius: 8px;
  color: white;
  font-weight: 500;
}

.admin-content {
  flex: 1;
  padding: 24px;
  background: var(--bg-color);
}

@media (max-width: 992px) {
  .admin-sidebar { transform: translateX(-100%); }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .sidebar-toggle { display: block; }
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.stat-icon { font-size: 40px; }

.stat-info { display: flex; flex-direction: column; }

.stat-value {
  font-size: 32px;
  font-weight: 700;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 14px;
}

.dashboard-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
}

.recent-products {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}

.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
}

.empty-state .btn { margin-top: 16px; }

.products-table-wrapper { overflow-x: auto; }

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

.products-table th, .products-table td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.products-table th {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--bg-secondary);
}

.products-table tr:last-child td { border-bottom: none; }
.products-table tr:hover td { background: var(--bg-secondary); }

.table-image {
  width: 60px;
  height: 60px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.table-image span {
  font-size: 28px;
  opacity: 0.5;
}

.product-title-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.title-en { font-weight: 500; }

.title-zh {
  font-size: 13px;
  color: var(--text-secondary);
}

.price-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.price-cell .price {
  font-weight: 600;
  color: var(--primary-color);
}

.price-cell .original {
  font-size: 12px;
  color: var(--text-secondary);
  text-decoration: line-through;
}

.stock {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}

.stock.in-stock {
  background: rgba(34, 197, 94, 0.1);
  color: var(--success-color);
}

.stock.out-of-stock {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error-color);
}

.action-buttons {
  display: flex;
  gap: 8px;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.product-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 32px;
}

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

.form-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}

.form-section.full-width { grid-column: 1 / -1; }

.form-section .section-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.images-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.image-preview {
  position: relative;
  width: 120px;
  height: 120px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

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

.remove-image {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  background: var(--error-color);
  color: white;
  border-radius: 50%;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.add-image-btn {
  width: 120px;
  height: 120px;
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.add-image-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.add-image-btn span:first-child { font-size: 32px; }
.add-image-btn span:last-child { font-size: 12px; }

.input-with-button {
  display: flex;
  gap: 12px;
}

.input-with-button input { flex: 1; }

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 13px;
}

.tag-item button {
  background: transparent;
  color: var(--text-secondary);
  padding: 0;
  font-size: 16px;
  line-height: 1;
}

.tag-item button:hover { color: var(--error-color); }

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 16px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

@media (max-width: 992px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-section.full-width { grid-column: 1; }
}

@media (max-width: 576px) {
  .product-form { padding: 20px; }
  .form-row { grid-template-columns: 1fr; }
  .form-actions { flex-direction: column; }
  .form-actions .btn { width: 100%; }
}

.category-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.form-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
}

.category-form .form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.category-form .form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 20px;
}

.categories-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.category-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.category-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.category-name { font-weight: 600; font-size: 16px; }

.category-name-zh {
  color: var(--text-secondary);
  font-size: 14px;
}

.category-slug {
  color: var(--primary-color);
  font-size: 13px;
  font-family: monospace;
}

.category-actions {
  display: flex;
  gap: 8px;
}

@media (max-width: 576px) {
  .category-form .form-row { grid-template-columns: 1fr; }
  .category-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .category-actions { width: 100%; }
  .category-actions .btn { flex: 1; }
}

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  color: var(--text-secondary);
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

@media (max-width: 576px) {
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}