* {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
:root {
  --main-color: #007bff;
}
body {
  font-family: "Rubik", sans-serif;
  font-optical-sizing: auto;
  background-color: #eee;
  margin: 0;
}
h1 {
  padding: 20px;
  margin: 0 0 20px;
  background-color: white;
  text-align: center;
}
.container {
  max-width: 1000px;
  margin: 50px auto;
  padding-right: 20px;
  padding-left: 20px;
}
ul {
  list-style: none;
  padding: 0;
}
nav ul {
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
}
nav ul .nav-item {
  cursor: pointer;
  padding: 10px;
  margin: 5px;
  border-radius: 6px;
  transition: 0.3s;
}
nav ul .nav-item.active,
nav ul .nav-item:hover {
  background-color: var(--main-color);
  color: white;
}
.data {
  display: flex;
  gap: 15px;
  align-items: flex-start;
}
.products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
  flex: 1;
}
.products .product-card {
  background-color: white;
  padding: 20px;
  position: relative;
  border-radius: 6px;
  border: 1px solid #ddd;
}
.products .product-card .id {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: var(--main-color);
  color: white;
  padding: 2px 6px;
  font-size: 13px;
  border-radius: 6px;
}
.products .product-card img {
  max-width: 100px;
  margin: 0 auto 20px;
  display: block;
}
.products .product-card > h2 {
  font-size: 18px;
  margin: 0 0 10px;
}
.products .product-card .description {
  line-height: 1.5;
  height: 100px;
}
.products .product-card p {
  font-size: 14px;
  color: #666;
  margin: 0 0 8px;
}
.products .product-card .info-container {
  display: flex;
  justify-content: space-between;
}
.products .product-card .price {
  color: #e63946;
  font-weight: bold;
}
.products .product-card button {
  padding: 5px 10px;
  background-color: var(--main-color);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}
.cart {
  padding: 20px;
  background-color: #f9f9f9;
  border-top: 2px solid #ddd;
  width: 300px;
  position: sticky;
  top: 10px;
}
.cart h2 {
  margin: 0 0 20px;
  text-align: center;
  border-bottom: 1px solid #ccc;
  padding-bottom: 20px;
}
.cart .cart-items li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.cart .cart-items li:last-child {
  border-bottom: 1px solid #ddd;
  padding-bottom: 20px;
}
.cart .cart-items li h4 {
  margin: 0 0 5px;
}
.cart .cart-items li h4 + span {
  font-size: 14px;
  color: #666;
}
.cart .delete-btn {
  background-color: #e63946;
  color: white;
  border: none;
  padding: 4px 8px;
  font-size: 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.3s;
}
.cart .delete-btn:hover {
  background-color: #c62828;
}
.cart .total-amount {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0;
}
.cart .total-amount .total-money {
  font-weight: bold;
  color: #009688;
}
.products .in-cart-amount span {
  font-weight: bold;
  color: var(--main-color);
}
@media (max-width: 767px) {
  .data,
  nav ul {
    flex-direction: column;
  }
  .cart {
    width: 100%;
  }
}