/* ============================================
   FIREFIGHTER STORE - Modern Light Theme
   ============================================ */

/* --- CSS Variables --- */
:root {
  --primary: #D32F2F;
  --primary-dark: #B71C1C;
  --primary-light: #FFCDD2;
  --secondary: #FFC107;
  --secondary-dark: #FF8F00;
  --accent: #1565C0;
  --text-primary: #212121;
  --text-secondary: #616161;
  --text-light: #9E9E9E;
  --bg-white: #FFFFFF;
  --bg-light: #FAFAFA;
  --bg-gray: #F5F5F5;
  --border: #E0E0E0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: 0.3s ease;
  --max-width: 1280px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: inherit;
  transition: all var(--transition);
}

input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
  outline: none;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  transition: border-color var(--transition);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Top Bar --- */
.top-bar {
  background: var(--text-primary);
  color: #fff;
  font-size: 0.8rem;
  padding: 8px 0;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar a {
  color: #ccc;
}

.top-bar a:hover {
  color: var(--secondary);
}

/* --- Header --- */
.header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  white-space: nowrap;
}

.logo svg {
  width: 40px;
  height: 40px;
}

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

/* Search */
.search-bar {
  flex: 1;
  max-width: 500px;
  position: relative;
}

.search-bar input {
  width: 100%;
  padding: 12px 48px 12px 20px;
  border-radius: 50px;
  background: var(--bg-gray);
  border: 1.5px solid transparent;
  font-size: 0.95rem;
}

.search-bar input:focus {
  border-color: var(--primary);
  background: var(--bg-white);
}

.search-bar button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--primary);
  color: white;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-bar button:hover {
  background: var(--primary-dark);
}

/* Nav actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-actions a {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
}

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

.cart-count {
  position: absolute;
  top: -8px;
  right: -10px;
  background: var(--primary);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Main Nav */
.main-nav {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
}

.main-nav ul {
  display: flex;
  gap: 0;
  justify-content: center;
}

.main-nav li a {
  display: block;
  padding: 14px 24px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  transition: color var(--transition);
}

.main-nav li a:hover,
.main-nav li a.active {
  color: var(--primary);
}

.main-nav li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 3px 3px 0 0;
  transition: width var(--transition);
}

.main-nav li a:hover::after,
.main-nav li a.active::after {
  width: 60%;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  font-size: 1.5rem;
  color: var(--text-primary);
}

/* --- Hero Section --- */
.hero {
  background: linear-gradient(135deg, #FAFAFA 0%, #FFF3E0 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-content {
  flex: 1;
}

.hero-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.hero h1 .highlight {
  color: var(--primary);
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.hero-image img {
  max-height: 450px;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.15));
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  transition: all var(--transition);
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(211,47,47,0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border);
}

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

.btn-sm {
  padding: 10px 20px;
  font-size: 0.9rem;
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
  background: var(--bg-gray);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

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

/* --- Section Titles --- */
.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.section-title p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.section-title .underline {
  display: block;
  width: 60px;
  height: 4px;
  background: var(--primary);
  border-radius: 4px;
  margin: 16px auto 0;
}

/* --- Features Strip --- */
.features-strip {
  background: var(--bg-white);
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-icon svg {
  width: 26px;
  height: 26px;
  color: var(--primary);
}

.feature-item h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.feature-item p {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* --- Categories --- */
.categories {
  padding: 80px 0;
  background: var(--bg-light);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.category-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-align: center;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.category-card .cat-img {
  height: 180px;
  background: var(--bg-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  overflow: hidden;
}

.category-card .cat-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.category-card h3 {
  padding: 18px;
  font-size: 1rem;
  font-weight: 700;
}

/* --- Product Grid --- */
.products-section {
  padding: 80px 0;
}

.products-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

.products-header h2 {
  font-size: 2rem;
  font-weight: 800;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  position: relative;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
}

.badge-new {
  background: var(--accent);
}

.badge-sale {
  background: var(--primary);
}

.badge-hot {
  background: var(--secondary-dark);
}

.product-image {
  position: relative;
  height: 280px;
  background: var(--bg-gray);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

.product-actions {
  position: absolute;
  bottom: -50px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  background: linear-gradient(transparent, rgba(0,0,0,0.03));
  transition: bottom var(--transition);
}

.product-card:hover .product-actions {
  bottom: 0;
}

.product-info {
  padding: 20px;
}

.product-category {
  font-size: 0.8rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.product-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-name a:hover {
  color: var(--primary);
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 10px;
}

.stars {
  color: var(--secondary);
  font-size: 0.85rem;
}

.rating-count {
  font-size: 0.8rem;
  color: var(--text-light);
}

.product-price {
  display: flex;
  align-items: center;
  gap: 10px;
}

.price-current {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
}

.price-old {
  font-size: 0.9rem;
  color: var(--text-light);
  text-decoration: line-through;
}

/* --- Product Filter (products page) --- */
.shop-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  padding: 40px 0 80px;
}

.sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
}

.filter-group {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 20px;
}

.filter-group h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.filter-group label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.filter-group label:hover {
  color: var(--primary);
}

.filter-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

.price-range {
  display: flex;
  gap: 12px;
  align-items: center;
}

.price-range input {
  width: 100%;
  padding: 10px;
}

.color-options {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.color-swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
}

.color-swatch:hover,
.color-swatch.active {
  border-color: var(--primary);
  transform: scale(1.15);
}

.size-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.size-btn {
  padding: 8px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-white);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.size-btn:hover,
.size-btn.active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

/* Sort bar */
.sort-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding: 16px 20px;
  background: var(--bg-gray);
  border-radius: var(--radius-md);
}

.sort-bar .result-count {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.sort-bar select {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-white);
}

/* --- Product Detail --- */
.product-detail {
  padding: 40px 0 80px;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

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

.main-image {
  width: 100%;
  height: 500px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-gray);
  margin-bottom: 16px;
}

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

.thumb-images {
  display: flex;
  gap: 12px;
}

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

.thumb-images img:hover,
.thumb-images img.active {
  border-color: var(--primary);
}

.product-detail-info h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.detail-price {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 20px;
}

.detail-price .old-price {
  font-size: 1.2rem;
  color: var(--text-light);
  text-decoration: line-through;
  margin-left: 12px;
  font-weight: 500;
}

.detail-description {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.detail-options {
  margin-bottom: 28px;
}

.detail-options h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.quantity-selector {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 28px;
}

.quantity-selector button {
  width: 44px;
  height: 44px;
  background: var(--bg-gray);
  border: 1.5px solid var(--border);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.quantity-selector button:first-child {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.quantity-selector button:last-child {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.quantity-selector input {
  width: 60px;
  height: 44px;
  text-align: center;
  border-radius: 0;
  border-left: none;
  border-right: none;
  font-weight: 700;
}

.detail-buttons {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
}

.detail-meta {
  padding: 20px;
  background: var(--bg-gray);
  border-radius: var(--radius-md);
}

.detail-meta p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.detail-meta p:last-child {
  border-bottom: none;
}

.detail-meta strong {
  color: var(--text-primary);
}

/* --- Cart --- */
.cart-section {
  padding: 40px 0 80px;
}

.cart-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 32px;
}

.cart-table th {
  text-align: left;
  padding: 16px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-light);
  border-bottom: 2px solid var(--border);
}

.cart-table td {
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.cart-product {
  display: flex;
  align-items: center;
  gap: 16px;
}

.cart-product img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.cart-product-name {
  font-weight: 600;
}

.cart-product-variant {
  font-size: 0.85rem;
  color: var(--text-light);
}

.cart-remove {
  color: var(--text-light);
  background: none;
  font-size: 0.85rem;
}

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

.cart-summary-section {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 32px;
}

.cart-summary {
  background: var(--bg-gray);
  border-radius: var(--radius-md);
  padding: 32px;
}

.cart-summary h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.summary-row.total {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
  border-top: 2px solid var(--border);
  margin-top: 12px;
  padding-top: 16px;
}

/* --- Checkout --- */
.checkout-section {
  padding: 40px 0 80px;
}

.checkout-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 40px;
}

.checkout-form h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  margin-top: 32px;
}

.checkout-form h3:first-child {
  margin-top: 0;
}

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

.form-row.full {
  grid-template-columns: 1fr;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
}

/* --- Newsletter --- */
.newsletter {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 70px 0;
  color: white;
  text-align: center;
}

.newsletter h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.newsletter p {
  opacity: 0.85;
  margin-bottom: 28px;
  font-size: 1.05rem;
}

.newsletter-form {
  display: flex;
  max-width: 500px;
  margin: 0 auto;
  gap: 0;
}

.newsletter-form input {
  flex: 1;
  border-radius: 50px 0 0 50px;
  border: none;
  padding: 14px 24px;
}

.newsletter-form button {
  padding: 14px 32px;
  background: var(--secondary);
  color: var(--text-primary);
  font-weight: 700;
  border-radius: 0 50px 50px 0;
}

.newsletter-form button:hover {
  background: var(--secondary-dark);
}

/* --- Footer --- */
.footer {
  background: var(--text-primary);
  color: #ccc;
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-about .logo {
  color: white;
  margin-bottom: 16px;
}

.footer-about .logo .highlight {
  color: var(--primary);
}

.footer-about p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ccc;
  transition: all var(--transition);
}

.social-links a:hover {
  background: var(--primary);
  color: white;
}

.footer h4 {
  color: white;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer ul li {
  margin-bottom: 10px;
}

.footer ul li a {
  font-size: 0.9rem;
  color: #999;
  transition: color var(--transition);
}

.footer ul li a:hover {
  color: var(--secondary);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: #777;
}

/* --- Page Header (breadcrumb) --- */
.page-header {
  background: var(--bg-gray);
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 8px;
}

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

.breadcrumb .sep {
  color: var(--border);
}

.page-header h1 {
  font-size: 1.8rem;
  font-weight: 800;
}

/* --- Tabs --- */
.tabs {
  margin-top: 60px;
}

.tab-nav {
  display: flex;
  border-bottom: 2px solid var(--border);
  gap: 0;
}

.tab-btn {
  padding: 14px 28px;
  background: none;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-light);
  position: relative;
}

.tab-btn.active {
  color: var(--primary);
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 3px 3px 0 0;
  transform: scaleX(0);
  transition: transform var(--transition);
}

.tab-btn.active::after {
  transform: scaleX(1);
}

.tab-content {
  padding: 32px 0;
  display: none;
}

.tab-content.active {
  display: block;
}

/* --- Toast / Notification --- */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--text-primary);
  color: white;
  padding: 16px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateY(120%);
  transition: transform 0.4s ease;
  z-index: 9999;
}

.toast.show {
  transform: translateY(0);
}

.toast .toast-icon {
  width: 24px;
  height: 24px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Empty Cart --- */
.empty-cart {
  text-align: center;
  padding: 80px 20px;
}

.empty-cart svg {
  width: 100px;
  height: 100px;
  color: var(--text-light);
  margin-bottom: 24px;
}

.empty-cart h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.empty-cart p {
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* --- Pagination --- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.pagination button {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  font-weight: 600;
  color: var(--text-secondary);
}

.pagination button.active,
.pagination button:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .shop-layout {
    grid-template-columns: 240px 1fr;
  }
}

@media (max-width: 768px) {
  .hero .container {
    flex-direction: column;
    text-align: center;
  }
  .hero h1 {
    font-size: 2.2rem;
  }
  .hero p {
    max-width: 100%;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-image {
    order: -1;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .shop-layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
  }
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .product-gallery {
    position: static;
  }
  .checkout-grid {
    grid-template-columns: 1fr;
  }
  .cart-summary-section {
    grid-template-columns: 1fr;
  }
  .search-bar {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .main-nav ul {
    display: none;
    flex-direction: column;
  }
  .main-nav ul.open {
    display: flex;
  }
  .main-nav li a {
    padding: 12px 24px;
    border-bottom: 1px solid var(--border);
  }
  .header .container {
    flex-wrap: wrap;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
  .categories-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 1.8rem;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* --- Utility --- */
/* --- Card Color Swatches --- */
.product-colors {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}

.card-color-swatch {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
}

.card-color-swatch:hover {
  transform: scale(1.2);
}

.card-color-swatch.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px white, 0 0 0 4px var(--primary);
}

/* --- Utility --- */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }