body {
  font-family: "Roboto", sans-serif;
  margin: 0;
  background-color: #f4f7fa;
  color: #333;
  line-height: 1.6;
}

header {
  background-color: #007bff;
  color: #fff;
  padding: 1.5rem 2rem;
  text-align: center;
}

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

h1,
h2 {
  margin-bottom: 1rem;
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

/* Product Card */
.product-card {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 1rem;
  text-align: center;
  transition: transform 0.2s ease;
}

.product-card:hover {
  transform: translateY(-5px);
}

.product-card img {
  max-width: 100%;
  border-radius: 5px;
}

.product-card h3 {
  margin: 0.5rem 0;
}

.product-card p {
  font-size: 0.9rem;
  color: #666;
}

.price {
  font-size: 1.2rem;
  font-weight: bold;
  margin: 0.5rem 0;
}

.weight {
  font-size: 0.9rem;
  color: #999;
}

.quantity-controls {
  margin-top: 1rem;
}

.quantity-controls button {
  background-color: #007bff;
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.quantity-controls button:hover {
  background-color: #0056b3;
}

.quantity-controls span {
  font-size: 1rem;
  margin: 0 0.5rem;
}

/* Cart Summary Table */
#cartSummary {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  margin-bottom: 2rem;
  overflow-x: auto;
}

#cartSummary table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  min-width: 400px;
}

#cartSummary th,
#cartSummary td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #ddd;
  text-align: center;
}

#cartSummary th {
  background-color: #f4f7fa;
}

#cartSummary img {
  width: 50px;
  border-radius: 4px;
}

/* Responsive Cart Table */
@media (max-width: 600px) {
  #cartSummary table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

/* Buy Order Section */
#buyOrder {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

#buyOrder h2 {
  margin-bottom: 1rem;
  color: #007bff;
}

#buyOrderForm {
  display: flex;
  flex-direction: column;
}

#buyOrderForm label {
  margin-bottom: 0.5rem;
  font-weight: bold;
}

#buyOrderForm input,
#buyOrderForm select {
  padding: 0.75rem;
  margin-bottom: 1rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
}

#buyOrderForm button {
  background-color: #007bff;
  color: #fff;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

#buyOrderForm button:hover {
  background-color: #0056b3;
}

/* Responsive Design */
@media (max-width: 768px) {
  main {
    padding: 0 0.5rem;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  #buyOrderForm {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  header {
    padding: 1rem;
  }

  .product-card {
    padding: 0.8rem;
  }

  .quantity-controls button {
    padding: 0.4rem 0.8rem;
  }

  .price {
    font-size: 1rem;
  }
}