I am using Apache Solr Autocomplete in a view as an exposed filter. However I have two problems and I really hope that someone could help on this.

1) I would like to use a multiple selection which is now possible but it's not user friendly and lacks functionality.

For example, imagine a user would like to see all "cars" with red color (tag), of the NoName company (tag), with over 100hp (tag) and 4wd (tag).

In the above-mentioned example (concerning autocomplete) it is not clear what is the separator between terms (I think by default is the space) and most importantly is how is possible to theme it like for example "chosen" or "autocomplete deluxe" or "active tags" using some jquery or more conveniently a module?

Does anyone have tried/managed to implement this?

2) In my case, I use also facets. So, if a user types something in the autocomplete and then selects a facet tag from a sidebar block the autocomplete selection disappears and the facet tag replaces it. The otherway around is possible (first facet tag and then using the autocomplete).

I really appreciate your expertise and suggestions.

Thanks,
mike