/* Basic Reset & Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

/* Color Scheme: Christmas-inspired */
:root {
  --christmas-red: #B22222;
  --christmas-green: #228B22;
  --background-color: #F9F9F9;
  --text-color: #333;
  --white: #FFFFFF;
}

/* Body & Layout */
body {
  background-color: var(--background-color);
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--christmas-red);
  padding: 0.5rem 1rem;
  color: var(--white);
}

.header .logo {
  display: flex;
  align-items: center;
}

.header .logo img {
  margin-right: 0.5rem;
}

.header .search-bar {
  display: flex;
  align-items: center;
  max-width: 400px;
  width: 100%;
  margin: 0 1rem;
}

.header .search-bar input {
  flex: 1;
  padding: 0.5rem;
  border: none;
  border-radius: 2px 0 0 2px;
  outline: none;
}

.header .search-bar button {
  background-color: var(--christmas-green);
  color: var(--white);
  border: none;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

.header .cart-icon {
  margin-left: auto;
}

/* Categories Nav (Mobile-first) */
.nav-categories {
  background-color: var(--christmas-green);
  color: var(--white);
  padding: 0.5rem;
  position: relative;
}

.nav-categories .hamburger {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--white);
  cursor: pointer;
}

.nav-categories .categories-list {
  list-style: none;
  display: none;
  background-color: var(--white);
  color: var(--text-color);
  position: absolute;
  top: 3rem;
  left: 0;
  width: 100%;
}

.nav-categories .categories-list li {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #ddd;
  cursor: pointer;
}

.nav-categories .categories-list li:hover {
  background-color: #f0f0f0;
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 1rem;
}

/* Product Card */
.product-card {
  background-color: var(--white);
  padding: 1rem;
  border-radius: 5px;
  border: 1px solid #ddd;
  text-align: center;
}

.product-card img {
  width: 100%;
  max-width: 200px;
  margin: 0 auto 1rem;
  display: block;
}

.product-card .product-name {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.product-card .product-price {
  color: var(--christmas-red);
  font-weight: bold;
  margin-bottom: 1rem;
}

.product-card button {
  background-color: var(--christmas-green);
  color: var(--white);
  border: none;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

/* Cart Modal */
.cart-modal {
  display: none; /* Hidden by default */
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.5);
}

.cart-modal-content {
  background-color: var(--white);
  margin: 10% auto;
  padding: 1rem;
  border-radius: 4px;
  width: 90%;
  max-width: 500px;
  position: relative;
}

.cart-modal-content h2 {
  margin-bottom: 1rem;
}

.cart-modal-content .close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Cart Items */
#cartItems {
  list-style: none;
  margin-bottom: 1rem;
}

#cartItems li {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

/* Desktop Layouts */
@media (min-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}