#product-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

#product-table th {
  background-color: #2c3e50;
  color: white;
}

#product-table th, #product-table td {
  padding: 10px;
  border: 1px solid #ddd;
  text-align: center;
}

.qty {
  width: 50px;
  text-align: center;
}

.qty-plus, .qty-minus {
  background: #3498db;
  color: white;
  border: none;
  padding: 5px 8px;
  border-radius: 4px;
  cursor: pointer;
}

.qty-plus:hover, .qty-minus:hover {
  background: #2980b9;
}

#order-summary-box {
  margin-top: 30px;
  padding: 20px;
  border: 2px dashed #2ecc71;
  background: #ecf9f1;
  border-radius: 8px;
}

#order-summary-box h3 {
  margin-top: 0;
  color: #27ae60;
}

.checkout-btn {
  padding: 10px 20px;
  background-color: #27ae60;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
}

.checkout-btn:hover {
  background-color: #219150;
}

@media(max-width: 768px) {
  #product-table thead {
    display: none;
  }
  #product-table, #product-table tbody, #product-table tr, #product-table td {
    display: block;
    width: 100%;
  }
  #product-table tr {
    margin-bottom: 15px;
    border: 1px solid #ccc;
    padding: 10px;
    background: #f9f9f9;
  }
  #product-table td {
    text-align: right;
    padding-left: 50%;
    position: relative;
  }
  #product-table td::before {
    content: attr(data-label);
    position: absolute;
    left: 10px;
    width: 45%;
    text-align: left;
    font-weight: bold;
  }
}