body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    margin: 0;
    padding: 20px;
  }
  
  .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }
  
  .card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: 0.3s;
  }
  
  .card:hover {
    transform: translateY(-5px);
  }
  
  .card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
  }
  
  .card-content {
    padding: 15px;
  }
  
  .title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 5px;
  }
  
  .brand {
    color: gray;
    font-size: 14px;
  }
  
  .price {
    color: green;
    font-weight: bold;
    margin-top: 10px;
  }
  
  .rating {
    color: orange;
    font-size: 14px;
  }
  
  .stock {
    font-size: 12px;
    margin-top: 5px;
  }
  
  .btn {
    margin-top: 10px;
    display: block;
    text-align: center;
    padding: 8px;
    background: black;
    color: white;
    text-decoration: none;
    border-radius: 5px;
  }

  .detail-container {
    max-width: 900px;
    margin: 50px auto;
    background: #fff;
    padding: 20px;
    display: flex;
    gap: 20px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    border-radius: 10px;
  }
  
  .detail-container img {
    width: 300px;
    border-radius: 10px;
  }
  
  .details {
    flex: 1;
  }
  
  .details h2 {
    margin-bottom: 10px;
  }
  
  .price {
    color: green;
    font-size: 20px;
    font-weight: bold;
  }
  
  .rating {
    color: orange;
  }
  
  .desc {
    margin: 15px 0;
  }
  
  .btn {
    padding: 10px 15px;
    background: black;
    color: white;
    border: none;
    border-radius: 5px;
  }