/* ============================================
   SHOP CSS - Product Catalog
   IoT E-commerce Platform (Polish)
   ============================================ */

/* Shop Hero Section */
.shop-hero {
  background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
  padding: var(--space-24) 0;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.shop-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.shop-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 50%;
}

.shop-hero .container {
  position: relative;
  z-index: 1;
}

.shop-hero h1 {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  color: var(--color-bg);
  margin-bottom: var(--space-4);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.shop-hero .lead {
  font-size: var(--text-xl);
  color: rgba(11, 17, 32, 0.9);
  max-width: 600px;
}

/* Breadcrumb */
.breadcrumb {
  font-size: var(--text-sm);
  margin-bottom: var(--space-6);
  color: rgba(11, 17, 32, 0.8);
}

.breadcrumb ol {
  display: flex;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}

.breadcrumb li::after {
  content: '/';
  margin-left: var(--space-2);
  color: rgba(11, 17, 32, 0.6);
}

.breadcrumb li:last-child::after {
  content: '';
  margin-left: 0;
}

.breadcrumb a {
  color: rgba(11, 17, 32, 0.85);
  text-decoration: underline;
  transition: color var(--duration-200);
}

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

.breadcrumb [aria-current="page"] {
  color: var(--color-bg);
  font-weight: 600;
}

/* Shop Controls / Filters */
.shop-controls {
  background-color: var(--color-bg-elevated);
  padding: var(--space-12) 0;
  border-bottom: 1px solid var(--gray-800);
}

.filters-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  align-items: flex-end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.filter-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.filter-select {
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-bg);
  border: 1px solid var(--gray-700);
  color: var(--color-text);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: border-color var(--duration-200);
}

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

.filter-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.filter-select option {
  background-color: var(--color-bg);
  color: var(--color-text);
}

.clear-filters {
  align-self: flex-end;
}

/* Products Grid */
.shop-grid {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

/* Product Card */
.product-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--gray-800);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration-300) var(--ease-out);
  position: relative;
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-primary);
  box-shadow: 0 20px 40px rgba(6, 182, 212, 0.15);
}

.product-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background-color: var(--color-bg);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-300) var(--ease-out);
}

.product-card:hover .product-image img {
  transform: scale(1.08);
}

.badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background-color: var(--color-primary);
  color: var(--color-bg);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 2;
}

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

.product-info {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  line-height: var(--leading-snug);
}

.product-category {
  font-size: var(--text-xs);
  color: var(--color-primary);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.product-description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  flex: 1;
  margin-bottom: var(--space-4);
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

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

.btn--small {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  white-space: nowrap;
}

/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-16) var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
}

/* Newsletter Section */
.shop-newsletter {
  background: linear-gradient(135deg, var(--color-bg-elevated) 0%, rgba(6, 182, 212, 0.1) 100%);
  border-top: 1px solid var(--gray-800);
  border-bottom: 1px solid var(--gray-800);
}

.newsletter-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.newsletter-content h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.newsletter-content p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  line-height: var(--leading-relaxed);
}

.newsletter-form {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}

.newsletter-form input {
  flex: 1;
  min-width: 200px;
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-bg);
  border: 1px solid var(--gray-700);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: border-color var(--duration-200);
}

.newsletter-form input::placeholder {
  color: var(--color-text-muted);
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.newsletter-form button {
  min-width: 150px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-6);
  }
}

@media (max-width: 768px) {
  .shop-hero {
    padding: var(--space-16) 0;
    min-height: 200px;
  }

  .shop-hero h1 {
    font-size: var(--text-3xl);
  }

  .shop-hero .lead {
    font-size: var(--text-base);
  }

  .filters-wrapper {
    grid-template-columns: 1fr;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-4);
  }

  .product-card {
    border-radius: var(--radius-md);
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-form input {
    min-width: 100%;
  }

  .newsletter-form button {
    min-width: 100%;
  }
}

@media (max-width: 480px) {
  .filters-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .filter-select {
    width: 100%;
  }

  .clear-filters {
    width: 100%;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-2);
  }

  .shop-grid {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }

  .product-info {
    padding: var(--space-2);
  }

  .product-title {
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
  }

  .product-description {
    font-size: var(--text-xs);
    margin-bottom: var(--space-2);
  }

  .product-footer {
    flex-direction: column;
    gap: var(--space-2);
  }

  .btn--small {
    width: 100%;
    text-align: center;
  }

  .newsletter-content h2 {
    font-size: var(--text-2xl);
  }

  .shop-newsletter {
    padding: var(--space-12) 0;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.product-card {
  animation: fadeInUp 0.6s var(--ease-out) both;
}

.product-card:nth-child(1) { animation-delay: 0.05s; }
.product-card:nth-child(2) { animation-delay: 0.1s; }
.product-card:nth-child(3) { animation-delay: 0.15s; }
.product-card:nth-child(4) { animation-delay: 0.2s; }
.product-card:nth-child(5) { animation-delay: 0.25s; }
.product-card:nth-child(6) { animation-delay: 0.3s; }