body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  background-color: #f8f9fa;
}
.container {
  width: 80%;
  background: white;
  padding: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  justify-content: center;
}
h1 {
  text-align: center;
  width: 100%;
  margin: 20px 0;
  font-size: 2em;
  color: #333;
}
.product {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 15px;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: white;
  transition: transform 0.2s, box-shadow 0.2s;
}
.product:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}
.product img {
  width: 150px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 10px;
}
.product-info {
  text-align: center;
}
.quantity-controls {
  display: flex;
  align-items: center;
  margin-top: 10px;
}
.quantity-controls button {
  background-color: #007bff;
  color: white;
  border: none;
  padding: 5px 10px;
  margin: 0 5px;
  cursor: pointer;
  font-size: 1em;
  border-radius: 5px;
  transition: background 0.3s;
}
.quantity-controls button:hover {
  background-color: #0056b3;
}
.quantity-controls span {
  font-size: 1.2em;
  font-weight: bold;
  min-width: 30px;
  text-align: center;
}
.cart-summary {
  width: 80%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  font-size: 1.2em;
  font-weight: bold;
  background: white;
  padding: 10px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
.checkout-btn {
  padding: 12px 25px;
  font-size: 1.1em;
  color: white;
  background-color: #28a745;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.3s;
}
.checkout-btn:hover {
  background-color: #218838;
}

.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  justify-content: center;
  align-items: center;
}
.modal-content {
  background: white;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
}
.modal button {
  margin-top: 10px;
  padding: 10px;
  cursor: pointer;
}