Reply to the email they sent you and ask but i'm just happy to hear this all worked out well for you.

This should also be a lesson to you that you should always remove your coins offline when logging off for the day.
As long as you know how to create them securely paper wallets are a good creap option or i world advise you to invest in a Trezor, Lendger or any other hardware wallet that suites your needs.