body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 20px;
  background: #f0f0f0;
}

header {
  text-align: center;
  margin-bottom: 30px;
}

.scan-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  margin: 0 auto 20px;
  font-size: 14px;
  background: #4caf50;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.scan-btn:hover {
  background: #45a049;
}

.barcode-icon {
  height: 12px;
  margin-left: 8px;
}

.cart {
  max-width: 600px;
  margin: 0 auto;
  background: #fff;
  padding: 20px;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.cart-item {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid #ddd;
}

.cart-item:last-child {
  border-bottom: none;
}

.floatingDiv {
  position: fixed;
  top: 40%;
  left: 10%;
  width: 50%;
  height: 25%;
  max-width: 400px;
  max-height: 200px;
  min-width: 150px;
  min-height: 150px;
  background: #f9f9f9;
  border: 2px solid #ccc;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  cursor: move;
  z-index: 999;
  padding: 3px;
  box-sizing: border-box;
  touch-action: none;
}

.floatingDiv .btn-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 20px;
  height: 20px;
  z-index: 1;
  cursor: pointer;
}