:root {
  --primary-color: #ff7a18;
  --primary-dark: #e56a00;
  --secondary-color: #4a5568;
  --background-color: #f8f9fa;
  --card-background: #ffffff;
  --text-color: #2d3748;
  --text-light: #718096;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.2s ease;
  --header-height: 64px;
  --footer-height: auto;
  --safe-area-top: env(safe-area-inset-top, 0);
  --safe-area-bottom: env(safe-area-inset-bottom, 0);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  font-family: var(--font-family);
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 24px;
  }
}

.main-header {
  background-color: var(--card-background);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-color);
  font-weight: 700;
  font-size: 1.25rem;
  transition: color var(--transition);
}

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

.logo-placeholder {
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  color: white;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.logo-placeholder.small {
  width: 32px;
  height: 32px;
  font-size: 1rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-color);
  cursor: pointer;
  padding: 8px;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 80%;
    height: calc(100vh - var(--header-height));
    background-color: var(--card-background);
    box-shadow: var(--shadow-lg);
    transition: left 0.3s ease;
    z-index: 99;
    padding: 24px;
  }
  
  .main-nav.active {
    left: 0;
  }
}

@media (min-width: 769px) {
  .main-nav {
    display: flex;
    flex: 1;
  }
}

.nav-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 769px) {
  .nav-group {
    flex-direction: row;
    align-items: center;
    gap: 24px;
  }
}

.nav-link {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
  padding: 8px 0;
  transition: color var(--transition);
  position: relative;
}

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

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
}

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

.search-container {
  position: relative;
  width: 200px;
}

@media (max-width: 640px) {
  .search-container {
    width: 150px;
  }
}

.search-input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--background-color);
  font-size: 0.875rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255, 122, 24, 0.1);
}

.search-btn {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  font-size: 1rem;
}

.language-select {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--card-background);
  color: var(--text-color);
  font-size: 0.875rem;
  cursor: pointer;
  transition: border-color var(--transition);
}

.language-select:focus {
  outline: none;
  border-color: var(--primary-color);
}

.main-content {
  flex: 1;
  padding: 24px 0;
  min-height: calc(100vh - var(--header-height) - var(--footer-height));
}

@media (min-width: 768px) {
  .main-content {
    padding: 32px 0;
  }
}

.page-content {
  width: 100%;
}

.page-title {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-color);
}

@media (min-width: 768px) {
  .page-title {
    font-size: 2.25rem;
  }
}

/* Banner Styles */
.banner-container {
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.banner-slider {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.banner-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

.banner-slide.active {
  opacity: 1;
}

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

.banner-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 2;
}

.banner-nav button {
  background-color: rgba(255, 255, 255, 0.8);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.25rem;
  color: var(--text-color);
  transition: background-color var(--transition), transform var(--transition);
}

.banner-nav button:hover {
  background-color: white;
  transform: scale(1.1);
}

.banner-dots {
  position: absolute;
  bottom: 16px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 8px;
  z-index: 2;
}

.banner-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background-color var(--transition), transform var(--transition);
}

.banner-dot.active {
  background-color: white;
  transform: scale(1.2);
}

.running-text-container {
  background-color: var(--primary-color);
  color: white;
  padding: 12px 0;
  margin-bottom: 32px;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.running-text {
  display: inline-block;
  white-space: nowrap;
  padding-left: 100%;
  animation: runningText 20s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .running-text {
    animation: none;
    white-space: normal;
    padding-left: 0;
    text-align: center;
  }
}

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

/* Categories Styles */
.categories-container {
  margin-bottom: 32px;
}

.categories-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-color);
}

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

@media (min-width: 640px) {
  .categories-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .categories-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .categories-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.category-card {
  background-color: var(--card-background);
  border-radius: var(--radius-md);
  padding: 20px 12px;
  text-align: center;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

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

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

.category-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  color: var(--primary-color);
}

.category-card.active .category-icon {
  color: white;
}

.category-name {
  font-size: 0.875rem;
  font-weight: 500;
}

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

@media (min-width: 640px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1280px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.product-card {
  background-color: var(--card-background);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  .product-card {
    transition: none;
  }
}

.product-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-lg);
}

.product-card.unavailable {
  opacity: 0.7;
}

.product-card.unavailable::after {
  content: attr(data-i18n-unavailable);
  position: absolute;
  top: 12px;
  right: 12px;
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  z-index: 1;
}

.product-image-container {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  position: relative;
  background-color: #f1f5f9;
}

.product-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.product-info {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-color);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 12px;
}

.product-description {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.5;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.seller-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.seller-info {
  display: flex;
  align-items: center;
  gap: 4px;
}

.seller-username {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-color);
}

.verified-badge {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

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

.btn {
  padding: 10px 16px;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background-color var(--transition), transform var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex: 1;
}

.btn:active {
  transform: scale(0.98);
}

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

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

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

.btn-secondary:hover {
  background-color: rgba(255, 122, 24, 0.1);
}

.btn-disabled {
  background-color: var(--border-color);
  color: var(--text-light);
  cursor: not-allowed;
}

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

.product-detail-container {
  background-color: var(--card-background);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: 32px;
}

.product-detail-gallery {
  width: 100%;
  aspect-ratio: 1 / 1;
  position: relative;
  background-color: #f1f5f9;
  overflow: hidden;
}

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

.gallery-thumbnails {
  display: flex;
  gap: 8px;
  padding: 16px;
  overflow-x: auto;
}

.thumbnail {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition);
}

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

.product-detail-info {
  padding: 24px;
}

.product-detail-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-color);
}

.product-detail-price {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.product-detail-description {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-color);
  margin-bottom: 24px;
  white-space: pre-line;
}

.product-detail-seller {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding: 16px;
  background-color: var(--background-color);
  border-radius: var(--radius-md);
}

.seller-detail-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

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

.seller-detail-username {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 6px;
}

.seller-note {
  background-color: #fff8e1;
  border-left: 4px solid #ffc107;
  padding: 12px 16px;
  margin-bottom: 20px;
  border-radius: var(--radius-sm);
}

.seller-note-title {
  font-weight: 600;
  color: #e65100;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.seller-note-content {
  font-size: 0.875rem;
  color: #5d4037;
  line-height: 1.5;
}

.product-detail-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

@media (max-width: 640px) {
  .product-detail-actions {
    flex-direction: column;
  }
}

.seller-profile-container {
  background-color: var(--card-background);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  padding: 32px;
  margin-bottom: 32px;
}

.seller-header {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
  flex-direction: column;
}

@media (min-width: 768px) {
  .seller-header {
    flex-direction: row;
  }
}

.seller-profile-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--primary-color);
}

.seller-profile-info {
  flex: 1;
}

.seller-profile-username {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.seller-profile-description {
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.6;
}

.seller-social-media {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.social-media-link {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-color);
  text-decoration: none;
  font-size: 0.875rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background-color: var(--background-color);
  transition: background-color var(--transition);
}

.social-media-link:hover {
  background-color: var(--border-color);
}

.social-media-icon {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.seller-products-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text-color);
}

.about-container {
  background-color: var(--card-background);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  padding: 32px;
  margin-bottom: 32px;
}

.about-section {
  margin-bottom: 32px;
}

.about-section:last-child {
  margin-bottom: 0;
}

.about-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-color);
}

.about-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-color);
  margin-bottom: 16px;
}

.filters-container {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
  padding: 16px;
  background-color: var(--card-background);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.filter-btn {
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  background-color: var(--background-color);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition);
}

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

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

.no-products {
  text-align: center;
  padding: 48px 24px;
  background-color: var(--card-background);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.no-products-icon {
  font-size: 3rem;
  color: var(--text-light);
  margin-bottom: 16px;
}

.no-products-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-color);
}

.no-products-text {
  color: var(--text-light);
  max-width: 500px;
  margin: 0 auto;
}

.main-footer {
  background-color: var(--card-background);
  border-top: 1px solid var(--border-color);
  padding: 32px 0 24px;
  margin-top: auto;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 32px;
  margin-bottom: 32px;
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-color);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-store-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-color);
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.6;
}

.footer-link {
  display: block;
  color: var(--text-light);
  text-decoration: none;
  margin-bottom: 8px;
  transition: color var(--transition);
}

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

.footer-contact-info {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  text-align: center;
}

.copyright {
  font-size: 0.875rem;
  color: var(--text-light);
}

.whatsapp-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  animation: slideInUp 0.3s ease;
}

@keyframes slideInUp {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.whatsapp-button {
  background-color: #25d366;
  color: white;
  border: none;
  border-radius: 50px;
  padding: 16px 24px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.4);
}

.whatsapp-button:active {
  transform: translateY(0);
}

.skeleton-container {
  width: 100%;
}

.skeleton-header {
  height: 40px;
  background-color: #e2e8f0;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  animation: pulse 1.5s ease-in-out infinite;
}

.skeleton-filters {
  height: 50px;
  background-color: #e2e8f0;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  animation: pulse 1.5s ease-in-out infinite;
}

.skeleton-card {
  height: 350px;
  background-color: #e2e8f0;
  border-radius: var(--radius-md);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

@media (prefers-reduced-motion: reduce) {
  @keyframes pulse {
    0%, 100% {
      opacity: 1;
    }
    50% {
      opacity: 0.8;
    }
  }
}

.loading-spinner {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 48px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255, 122, 24, 0.2);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.error-message {
  text-align: center;
  padding: 48px 24px;
  background-color: #fee;
  border-radius: var(--radius-lg);
  color: #c53030;
  border: 1px solid #feb2b2;
}

.error-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.back-button {
  margin-top: 24px;
  padding: 10px 20px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition);
}

.back-button:hover {
  background-color: var(--primary-dark);
}

.fallback-image {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f1f5f9;
  color: var(--text-light);
}

.fallback-image i {
  font-size: 3rem;
}

.image-error {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f1f5f9;
  color: var(--text-light);
}

.image-error i {
  font-size: 2rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles for accessibility */
button:focus,
input:focus,
select:focus,
a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Mobile tap feedback */
@media (max-width: 768px) {
  button:active {
    transform: scale(0.97);
  }
  
  .product-card:active {
    transform: scale(0.99);
  }
}