GAH! Help me with my PS workplace!

[Valgal]

I effed up my workplace and tools yesterday somehow. I don't even know how. And now I can't get it back to normal. It's like my tool bars are ON my canvas and not docked to the side. I also can't separate and rearrange them. I have tried everything I can think of but I'm sure it's something simple I keep missing.

This is what it looks like right now.



and when I click on those little arrows the whole thing collapses like this




<banging head on desk>