Maybe it's not an issue, but a feature!
It's called Zero currency so maybe it's meant to be 0 balance all the time?

To give you a serious answer, your transaction was very recent when you posted here, I'm sure by now you'll have the coins in your account.

The steps on the menu to find the incoming/outgoong transactions (even the unconfirmed ones) is the following,
My Account > Reports > Payment History