I have two mania's, good mania and bad mania.

Good mania I'm fun to be around.
Bad mania I am not so fun to be around.

Good mania I am productive!
Bad mania, i go in 10 directions at the same time and never complete any thing.

Good mania I feel elevated and yes get a natural euphoria!
Bad mania just racing thoughts, anxiety to the max, paranoia to the point I am convinced people are trying to kill me.

I can get audio or visual and tactile hallucinations in either.

So yes, I agree with those that say there are different kinds of mania to a wide range from mild to bat **** crazy