/* Anti-Bot Testing E-Commerce Site - Main Styles */

:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #64748b;
  --success-color: #10b981;
  --danger-color: #ef4444;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --bg-light: #f8fafc;
  --border-color: #e2e8f0;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  background-color: #ffffff;
}

/* Header */
header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

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

.cart-btn {
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

.cart-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--danger-color);
  color: white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
  color: white;
  padding: 4rem 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  font-weight: 800;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-block;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background-color: #475569;
}

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

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

.btn-block {
  width: 100%;
  display: block;
}

/* Section */
.section {
  padding: 3rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.product-card {
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  overflow: hidden;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}

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

.product-link {
  text-decoration: none;
  color: inherit;
  flex-grow: 1;
}

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

.product-title {
  padding: 1rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.product-price {
  padding: 0 1rem 1rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
}

.product-card .add-to-cart-btn {
  margin: 0 1rem 1rem;
}

/* Product Detail */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.product-detail-image {
  width: 100%;
  border-radius: 0.5rem;
  background-color: var(--bg-light);
}

.product-detail-info h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.product-detail-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.product-detail-description {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.quantity-selector {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.quantity-selector label {
  font-weight: 600;
}

.quantity-controls {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
}

.qty-btn {
  background: none;
  border: none;
  padding: 0.5rem 1rem;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--text-secondary);
  transition: background-color 0.2s;
}

.qty-btn:hover {
  background-color: var(--bg-light);
}

.qty-value {
  padding: 0.5rem 1.5rem;
  font-weight: 600;
  min-width: 60px;
  text-align: center;
}

.product-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.product-actions .btn {
  flex: 1;
}

/* Controls (Sort/Filter) */
.controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.control-group label {
  font-weight: 600;
  color: var(--text-secondary);
}

.filter-btn, .sort-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  background-color: white;
  border-radius: 0.25rem;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover, .sort-btn:hover {
  background-color: var(--bg-light);
}

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

/* Related Products */
.related-products {
  margin-top: 4rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--text-primary);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s;
  z-index: 1000;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
footer {
  background-color: var(--text-primary);
  color: white;
  padding: 2rem;
  margin-top: 4rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1rem;
}

.footer-links a {
  color: white;
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.footer-links a:hover {
  opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
  .header-container {
    padding: 1rem;
  }

  nav {
    gap: 1rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

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

  .product-detail {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .controls {
    flex-direction: column;
    align-items: stretch;
  }

  .control-group {
    flex-direction: column;
    align-items: stretch;
  }

  .footer-links {
    flex-direction: column;
    gap: 0.5rem;
  }
}