A fix for the search is incoming.
Can't seem to reproduce any issue with Selecting own questions/ideas though.
Can you check to make sure you are logged in?
Edit: Search is now fixed!
Was just gonna ask the same thing!
Also: can't select my own questions (ideas) any more. :(
Appears to be re-styled ;)
(Leaving out the darker areas, e.g. in the topbar)