Just to confirm, have you tried signing in following the steps outlined here: https://goo.gl/v7CdWx ? Keep us posted!
Here's an additional guide that may help you regain access as it covers more scenarios: https://goo.gl/q2Ijwz . Hope it helps!
-
This Tweet is unavailable.
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.