/* reset */
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: Arial, sans-serif; background:#f8f8f8; color:#333; }

/* header & nav */
header {
  background: #2c3e50;
  color: white;
  padding: 1rem;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  justify-content: center;
}
nav a { color: white; text-decoration: none; font-weight: bold; }
nav a:hover { color: #3498db; }

/* breadcrumb */
.breadcrumb {
  background: #eee;
  padding: 0.8rem 2rem;
  display: flex;
}
.breadcrumb ul {
  list-style: none; 
  margin: 0; 
  padding: 0; 
  display: flex; 
  gap: 0.8rem; 
}
.breadcrumb li + li::before { content: ">"; margin-right: 0.5rem; }
.breadcrumb a { text-decoration: none; color: #2c3e50; }
.breadcrumb a:hover { text-decoration: underline; }

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

/* product grid flexbox tableless */
.products {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.product-card {
  flex: 1 1 200px;         
  background: white;
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
  text-align: center;
  transition: transform 0.2s;
}
.product-card:hover { transform: translateY(-5px); box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
.product-card img { width: 100%; height: 200px; object-fit: cover; }
.product-card h3 { margin: 0.3rem 0 0.4rem; font-size: 1rem; }
.product-card .price { color: #e74c3c; font-weight: bold; font-size: 1rem; }
.product-card button {
  background: #27ae60;
  color: white;
  border: none;
  padding: 0.3rem 0.3rem;
  margin: 0.3rem 0;
  border-radius: 4px;
  cursor: pointer;
}
.product-card button:hover { background: #219653; }

/* shopping cart sidebar */
#cart-btn {
  position: fixed;
  height: 40px;
  top: 5px;
  right: 20px;
  background: #e67e22;
  color: white;
  padding: 0.7rem 2rem;
  border-radius: 50px;
  cursor: pointer;
}
#cart-panel {
  position: fixed;
  top: 0; right: -350px;   
  width: 350px;
  height: 100%;
  background: white;
  box-shadow: -5px 0 15px rgba(0,0,0,0.3);
  transition: right 0.4s ease;
  z-index: 99;
  padding: 2rem;
  overflow-y: auto;
}
#cart-panel.show { right: 0; }
.cart-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
  border-bottom: 1px solid #eee;
  padding-bottom: 0.5rem;
}
.cart-item input { width: 50px; text-align: center; }
#checkout-btn {
  background: #c0392b;
  color: white;
  width: 100%;
  padding: 1rem;
  border: none;
  border-radius: 4px;
  margin-top: 2rem;
  cursor: pointer;
}
#checkout-btn:hover { background: #a93226; }

/* product page */
.product-detail {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.container .product-detail h1 {
  font-size: 1.5rem; 
  margin-bottom: 1rem; 
}
.container .product-detail p.price {
  font-size: 1.5rem; 
  margin-bottom: 1rem; 
}
.container .product-detail p.details {
  font-size: 1rem; 
  margin-bottom: 1rem; 
}
.container .product-detail button {
  background: #27ae60;
  color: white;
  border: none;
  padding: 0.3rem 0.3rem;
  margin: 0.3rem 0;
  border-radius: 4px;
  cursor: pointer;
}
.product-detail img { max-width: 300px; height: auto; border-radius: 8px; }
.detail-info { flex: 1; min-width: 300px; }