/* Base */
body {
  background-color: #eaeaea;
  color: #000;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

/* Header */
.header {
  padding: 20px;
  background-color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  border-bottom: 3px solid #000;
}

.cart-controls {
  display: flex;
  gap: 15px;
  align-items: center;
}

/* Buttons */
.btn {
  padding: 10px 16px;
  border: 2px solid #000;
  border-radius: 0; /* boxy */
  cursor: pointer;
  font-size: 14px;
  background-color: #fff;
  color: #000;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.btn:hover {
  background-color: #000;
  color: #fff;
}

.btn-danger {
  background-color: #fff;
  color: #000;
}

.btn-checkout {
  display: block;
  margin: 30px auto;
  background-color: #fff;
  color: #000;
  font-size: 16px;
}

.btn-pay {
  background-color: #fff;
  color: #000;
  font-size: 16px;
  width: 100%;
  margin-top: 15px;
}

.btn:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

/* Cart Items */
.cart-items {
  padding: 20px;
}

.cart-item {
  background-color: #fff;
  padding: 15px;
  margin-bottom: 15px;
  display: flex;
  gap: 15px;
  align-items: center;
  border: 2px solid #000; /* black outline */
  border-radius: 0; /* boxy */
}

.cart-item img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border: 2px solid #000;
}

.cart-item-details h3 {
  margin: 0 0 5px;
}

.cart-item-controls {
  margin-left: auto;
  display: flex;
  gap: 10px;
  align-items: center;
}

.qty-input {
  width: 60px;
  padding: 5px;
  background: #fff;
  color: #000;
  border: 2px solid #000;
  border-radius: 0;
}

.remove-btn {
  padding: 6px 10px;
  background-color: #fff;
  color: #000;
  border: 2px solid #000;
  cursor: pointer;
  border-radius: 0;
}

.remove-btn:hover {
  background-color: #000;
  color: #fff;
}

/* Checkout Form */
.checkout-form {
  padding: 20px;
  max-width: 400px;
  margin: 0 auto 40px;
  background: #fff;
  border: 2px solid #000;
  border-radius: 0;
}

.checkout-form label {
  display: block;
  margin-top: 15px;
  margin-bottom: 5px;
}

.checkout-form input,
.checkout-form textarea {
  width: 92%;
  padding: 10px;
  border: 2px solid #000;
  background: #fff;
  color: #000;
  border-radius: 0;
}

.checkout-form textarea {
  resize: none;
  height: 80px;
}

#checkout-message {
  margin-top: 15px;
  font-size: 14px;
  color: #000;
}

/* Mobile */
@media (max-width: 600px) {
  .cart-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .cart-item-controls {
    margin-left: 0;
  }

  .header {
    flex-direction: column;
    gap: 10px;
  }
}