Earlier today I jumped into a server and quickly bought skills with Buy->1->4->Buy I did this extremely quickly, and when I hit the "Buy" button a second time to close it, the buy menu went away, but the camera remained zoomed in on my face, and I was able to move around. Eventually it returned to the normal camera perspective, but I still couldn't do anything other than walk around and move the camera. Fire, Taunt, Buy..none of these actions did anything. This entire time the buy animation was still swirling around my character even while I was out walking around, and the HUD was also not visible. Anyway, I'll try to reproduce it and maybe get a screenshot. This is the first and only time it's happened to me, but I think it may be tied to quickly opening/closing the buy menu. Dying returned things to normal.
