/* 
 * CSS Grid Layout System
 * Замена !important flex правил на более семантичную Grid систему
 */

/* Grid container для продуктов */
.products-section {
  container-type: inline-size; /* Container queries support */
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: clamp(15px, 3vw, 30px);
  padding: clamp(10px, 2vw, 20px);
  place-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Responsive grid без media queries через Container Queries */
@container (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
}

@container (min-width: 481px) and (max-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@container (min-width: 769px) and (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
  }
}

@container (min-width: 1025px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
  }
}

/* Grid layout для карточек продуктов */
.product-card {
  display: grid;
  grid-template-rows: auto 1fr auto auto auto;
  gap: 8px;
  width: 100%;
  max-width: 300px;
  min-height: 420px;
  background: #fff;
  border-radius: var(--border-radius);
  padding: 14px;
  transition: var(--transition);
  text-align: center;
  text-decoration: none;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.05);
}

/* Grid areas для элементов карточки */
.product-card .product-image {
  grid-row: 1;
  width: 100%;
  height: 150px;
  object-fit: contain;
}

.product-card .product-title {
  grid-row: 2;
  font-size: 13px;
  font-weight: 600;
  color: #333;
  align-self: start;
  min-height: 36px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card .product-rating {
  grid-row: 3;
  align-self: center;
}

.product-card .product-price {
  grid-row: 4;
  font-size: 14px;
  font-weight: bold;
  color: #c1121f;
  align-self: end;
}

.product-card .product-actions {
  grid-row: 5;
  align-self: end;
  margin-top: 8px;
}

/* Header grid layout */
.main-header .header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas: "logo nav icons";
  align-items: center;
  gap: 20px;
  width: 100%;
}

.main-header .logo {
  grid-area: logo;
}

.main-header .nav {
  grid-area: nav;
  justify-self: center;
}

.main-header .icons {
  grid-area: icons;
  justify-self: end;
}

/* Mobile header grid */
@media (max-width: 768px) {
  .main-header .header-inner {
    grid-template-columns: auto 1fr auto;
    grid-template-areas: 
      "menu logo cart"
      "nav nav nav";
    grid-template-rows: auto auto;
  }
  
  .main-header .nav {
    grid-area: nav;
    grid-column: 1 / -1;
    width: 100%;
  }
  
  .mobile-menu-btn {
    grid-area: menu;
  }
  
  .mobile-cart-btn {
    grid-area: cart;
  }
}

/* Checkout layout grid */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 30px;
  align-items: start;
}

@media (max-width: 1024px) {
  .checkout-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* Rating stars grid без переносов */
.rating-container {
  display: grid;
  grid-template-columns: auto auto;
  gap: 0.25rem;
  align-items: center;
  white-space: nowrap;
}

.rating-stars {
  display: grid;
  grid-template-columns: repeat(5, auto);
  gap: 1px;
  justify-content: start;
  align-items: center;
}

/* Cart panel grid */
#cart-panel {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100vh;
}

#cart-panel .cart-header {
  grid-row: 1;
}

#cart-panel .cart-items {
  grid-row: 2;
  overflow-y: auto;
}

#cart-panel .cart-footer {
  grid-row: 3;
}

/* Utility classes для Grid */
.grid-center {
  place-items: center;
}

.grid-stretch {
  place-items: stretch;
}

.grid-start {
  place-items: start;
}

.grid-end {
  place-items: end;
}

/* Subgrid support где возможно */
@supports (grid-template-rows: subgrid) {
  .product-card-content {
    display: grid;
    grid-template-rows: subgrid;
    grid-row: span 5;
  }
}

/* Container queries fallback для старых браузеров */
@supports not (container-type: inline-size) {
  @media (max-width: 480px) {
    .products-grid {
      grid-template-columns: 1fr;
    }
  }
  
  @media (min-width: 481px) and (max-width: 768px) {
    .products-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (min-width: 769px) and (max-width: 1024px) {
    .products-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }
  
  @media (min-width: 1025px) {
    .products-grid {
      grid-template-columns: repeat(4, 1fr);
    }
  }
}

/* Логичные переходы и анимации */
.products-grid {
  transition: grid-template-columns 0.3s ease;
}

.product-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Accessibility улучшения */
@media (prefers-reduced-motion: reduce) {
  .products-grid,
  .product-card {
    transition: none;
  }
}

/* Focus styles для keyboard navigation */
.product-card:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .product-card {
    border: 2px solid currentColor;
  }
}