.drop-area {
  border: 2px dashed #6c757d;
  border-radius: 0.5rem;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.2s ease;
}
.drop-area.dragover {
  background-color: #f8f9fa;
}

 .has-error input, .has-error select {
    border-color: #dc3545;
  }
  .text-danger {
    font-size: 13px;
  }
  input.ng-invalid.ng-touched,
  select.ng-invalid.ng-touched {
    border: 1px solid red;
  }