* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: #f0f4f8;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 30px;
}

.cart-container {
  width: 450px;
  background: #fff;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

h2 {
  text-align: center;
  margin-bottom: 20px;
}

h3 {
  margin-top: 20px;
  margin-bottom: 10px;
  color: #004aad;
}

.cart-items {
  margin-bottom: 20px;
}

.cart-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid #ddd;
}

.item-info {
  flex: 1;
}

.item-name {
  font-weight: bold;
}

.item-price {
  color: #777;
  font-size: 14px;
}

input[type="number"] {
  width: 60px;
  padding: 5px;
  margin-right: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

.remove-btn {
  padding: 6px 10px;
  background: #ff4d4d;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.remove-btn:hover {
  background: #e60000;
}

.checkout-form .form-group {
  margin-bottom: 12px;
}

.checkout-form label {
  display: block;
  margin-bottom: 4px;
  font-weight: bold;
}

.checkout-form input {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  outline: none;
}

.checkout-form input:focus {
  border-color: #004aad;
}

.btn {
  width: 100%;
  padding: 12px;
  background: #004aad;
  color: #fff;
  border: none;
  font-size: 16px;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 10px;
}

.btn:hover {
  background: #00337a;
}