/* Global Styles */
:root {
  --primary-color: #4a6de5;
  --secondary-color: #f8f9fa;
  --accent-color: #ff6b6b;
  --text-color: #333;
  --light-gray: #e9ecef;
  --medium-gray: #adb5bd;
  --dark-gray: #6c757d;
  --white: #ffffff;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--secondary-color);
  transition: var(--transition);
}

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

a:hover {
  color: var(--accent-color);
}

button {
  cursor: pointer;
  border: none;
  border-radius: 4px;
  padding: 8px 16px;
  background-color: var(--primary-color);
  color: var(--white);
  transition: var(--transition);
}

button:hover {
  background-color: #3a5ad1;
  transform: translateY(-2px);
}

header {
  background-color: var(--white);
  box-shadow: var(--box-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo h1 {
  font-size: 1.8rem;
  color: var(--primary-color);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

nav a {
  font-weight: 500;
  color: var(--text-color);
  position: relative;
}

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

nav a[aria-current="page"] {
  color: var(--primary-color);
}

nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
}

.header-actions {
  display: flex;
  gap: 1rem;
}

main {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.page-section {
  margin-bottom: 3rem;
}

.hero {
  background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url("https://source.unsplash.com/random/1200x400/?shopping");
  background-size: cover;
  background-position: center;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  border-radius: 8px;
}

.hero-content {
  text-align: center;
  color: var(--white);
  padding: 2rem;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.cta-button {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 12px 24px;
  border-radius: 30px;
  font-weight: 600;
  display: inline-block;
}

.cta-button:hover {
  background-color: #3a5ad1;
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

#shop h2 {
  margin-bottom: 1.5rem;
}

.products-container {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.sort-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.search-container {
  flex-grow: 1;
  max-width: 400px;
}

#searchProducts {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--medium-gray);
  border-radius: 4px;
}

#sortBy {
  padding: 8px 12px;
  border: 1px solid var(--medium-gray);
  border-radius: 4px;
  background-color: var(--white);
}

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

.product-card {
  background-color: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.product-image {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background-color: var(--white);
}

.product-image img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}

.product-info {
  padding: 1rem;
}

.product-info h3 {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-price {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.add-to-cart,
.add-to-favorites {
  display: inline-block;
  font-size: 0.9rem;
  margin-right: 0.5rem;
}

.view-details {
  display: block;
  text-align: center;
  padding: 0.8rem;
  background-color: var(--light-gray);
  color: var(--text-color);
  font-weight: 500;
}

.view-details:hover {
  background-color: var(--primary-color);
  color: var(--white);
}

.load-more-btn {
  margin: 2rem auto;
  display: block;
  padding: 10px 20px;
}

/* Filter Section */
.filters {
  background-color: var(--white);
  padding: 1.5rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  box-shadow: var(--box-shadow);
}

.filters h3 {
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--light-gray);
  padding-bottom: 0.5rem;
}

.filter-group {
  margin-bottom: 1.5rem;
}

.filter-group h4 {
  margin-bottom: 0.5rem;
}

.filter-group ul {
  list-style: none;
}

.filter-group li {
  margin-bottom: 0.5rem;
}

.filter-group label {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.filter-group input {
  margin-right: 0.5rem;
}

#applyFilters,
#resetFilters {
  display: inline-block;
  margin-right: 0.5rem;
}

/* Product Modal */
.product-modal-content {
  display: flex;
  max-width: 800px;
  background-color: var(--white);
  border-radius: 8px;
  overflow: hidden;
}

.product-modal-image {
  flex: 1;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-modal-image img {
  max-width: 100%;
  max-height: 300px;
  object-fit: contain;
}

.product-modal-info {
  flex: 2;
  padding: 2rem;
}

.product-modal-price {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1.5rem;
  margin: 1rem 0;
}

.product-modal-category {
  color: var(--dark-gray);
  margin-bottom: 0.5rem;
}

.product-modal-rating {
  margin-bottom: 1rem;
  color: var(--dark-gray);
}

.product-modal-description {
  margin-bottom: 1.5rem;
}

.product-modal-actions {
  display: flex;
  gap: 1rem;
}

#favorites {
  padding: 2rem 0;
}

.favorites-container {
  margin-top: 1.5rem;
}

.favorites-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}

.remove-favorite {
  background-color: var(--accent-color);
  color: var(--white);
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
  width: 100%;
}

#cart {
  padding: 2rem 0;
}

.cart-container {
  display: flex;
  gap: 2rem;
  margin-top: 1.5rem;
}

.cart-items {
  flex: 3;
}

.cart-item {
  display: flex;
  align-items: center;
  background-color: var(--white);
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  box-shadow: var(--box-shadow);
}

.cart-item img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-right: 1rem;
}

.cart-item-details {
  flex: 1;
}

.cart-item-details h4 {
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.remove-from-cart {
  background-color: var(--accent-color);
}

.order-summary {
  flex: 1;
  background-color: var(--white);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: var(--box-shadow);
}

.total {
  margin: 1.5rem 0;
  padding-top: 1rem;
  border-top: 1px solid var(--light-gray);
}

.checkout-btn {
  width: 100%;
  padding: 12px;
  background-color: var(--primary-color);
  color: var(--white);
  font-weight: 600;
  margin-bottom: 1rem;
}

.continue-shopping {
  display: block;
  text-align: center;
  color: var(--dark-gray);
}

footer {
  background-color: var(--text-color);
  color: var(--white);
  padding: 3rem 0 1rem;
  margin-top: 3rem;
}

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

.footer-title {
  color: var(--white);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

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

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

footer p {
  text-align: center;
  color: var(--medium-gray);
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode {
  background-color: #222;
  color: #f8f9fa;
}

body.dark-mode header {
  background-color: #333;
}

body.dark-mode .logo h1 {
  color: #f8f9fa;
}

body.dark-mode nav a {
  color: #f8f9fa;
}

body.dark-mode nav a[aria-current="page"] {
  color: var(--primary-color);
}

body.dark-mode .product-card,
body.dark-mode .filters,
body.dark-mode .cart-item,
body.dark-mode .order-summary,
body.dark-mode .product-image,
body.dark-mode .product-modal-content {
  background-color: #333;
  color: #f8f9fa;
}

body.dark-mode .view-details {
  background-color: #444;
  color: #f8f9fa;
}

body.dark-mode .product-modal-category,
body.dark-mode .product-modal-rating {
  color: #adb5bd;
}

body.dark-mode footer {
  background-color: #111;
}

@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    padding: 1rem;
  }

  nav ul {
    margin: 1rem 0;
    justify-content: center;
    gap: 1rem;
  }

  .product-modal-content {
    flex-direction: column;
  }

  .cart-container {
    flex-direction: column;
  }

  .footer-container {
    flex-direction: column;
    gap: 1.5rem;
  }
}

@media (min-width: 769px) and (max-width: 992px) {
  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

@media (min-width: 993px) {
  #shop {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
  }

  #shop h2 {
    grid-column: 1 / -1;
  }

  .filters {
    margin-bottom: 0;
  }
}