It seems when you clicked the link you downloaded the malware either on to your base unit or it allowed access remotely to Side chain
I feel sorry for what happened to you. Must've been a deletion of cookies + simple keylogger.
Having 2fa seems to be the least you need to do today for any email related to crypto :/
This hack also reminds me of kenzawak... Email compromised. But in his case the attacker was after money and not simply throwing shit.
Please let us know if any coin was stolen from you in the process. I cross my fingers that's it's not the case.