Category Filter Select\Expanding parent category

Hi

im having some problems on Category filter selection
As shown in the first image
We want to have a category where Parent is visibile and the nested sub category is hidden but when checking the parent category (to expand and show the subs) we dont want it to check all sub category

Is it possible to make a costum one in css or you have this option available in feature?
We want to have like an accordion function in the category list( example in attached image)

Thanks