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

:root {
  --primary-color: #f97316;
  --primary-dark: #ea580c;
  --secondary-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --dark: #1f2937;
  --gray: #6b7280;
  --light-gray: #f3f4f6;
  --white: #ffffff;
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background-color: #fafafa;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.header {
  background-color: var(--white);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo h1 {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

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

.cart-badge {
  position: absolute;
  top: -8px;
  right: -10px;
  background-color: var(--danger-color);
  color: var(--white);
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}

.btn {
  padding: 0.625rem 1.25rem;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
}

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

.btn-primary:hover {
  background-color: transparent;
}

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

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

.btn-block {
  width: 100%;
}

.main {
  min-height: calc(100vh - 200px);
}

.hero {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  padding: 4rem 0;
  text-align: center;

  /* PC_HERO_MINHEIGHT_V1 */
  min-height: 320px;
}

.hero-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.search-box {
  display: flex;
  max-width: 600px;
  margin: 0 auto;
  gap: 0.5rem;
}

.search-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
}

.section-title {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  color: var(--dark);
}

.categories,
.vendors,
.products {
  padding: 3rem 0;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1.5rem;
}

.category-card {
  background-color: var(--white);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
}

.category-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.vendors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.vendor-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.vendor-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
}

.vendor-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background-color: var(--light-gray);
}

.vendor-info {
  padding: 1rem;
}

.vendor-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.vendor-meta {
  color: var(--gray);
  font-size: 0.875rem;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}

.product-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
}

.product-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--light-gray);
  cursor: pointer;
}

.product-info {
  padding: 1rem;
}

.product-name {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  cursor: pointer;
}

.product-description {
  color: var(--gray);
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.product-price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
}

.add-to-cart-btn {
  padding: 0.5rem 1rem;
  background-color: var(--secondary-color);
  color: var(--white);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.add-to-cart-btn:hover {
  background-color: #059669;
}

.footer {
  background-color: var(--dark);
  color: var(--white);
  text-align: center;
  padding: 2rem 0;
  margin-top: 3rem;
}

.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.3s ease;
}

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

.modal-content {
  background-color: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  max-width: 450px;
  width: 90%;
  position: relative;
  animation: slideUp 0.3s ease;
}

.modal-close {
  position: absolute;
  right: 1rem;
  top: 1rem;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--gray);
}

.modal-close:hover {
  color: var(--dark);
}

#modalTitle {
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--dark);
}

.form-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
}

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

.hidden {
  display: none !important;
}

.toast {
  position: fixed;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--dark);
  color: var(--white);
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
  z-index: 2000;
  transition: bottom 0.3s ease;
  max-width: 90%;
  text-align: center;
}

.toast.show {
  bottom: 2rem;
}

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

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

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

.category-skeleton,
.vendor-skeleton,
.product-skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: var(--border-radius);
  height: 200px;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }

  .nav {
    width: 100%;
    justify-content: space-around;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .search-box {
    flex-direction: column;
  }

  .categories-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }

  .vendors-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }
}

/* Dynamic branding from /api/public/ui-config */
.logo{display:flex;align-items:center;gap:10px;}
.site-logo-img{height:42px;width:auto;display:block;}
.footer-logo-img{height:28px;width:auto;display:inline-block;vertical-align:middle;}


/* PC_HERO_BANNER_V2 */
@media (min-width: 992px) {
  .hero {
    padding: 0;
    min-height: 380px;
    background-size: cover !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
    background-color: var(--primary-dark);
  }
}