Money bridge game (low stakes) ...
System : 2/1 (GIB)
Is 2♦ ok here? GIB passed in this situation, so I'm a bit confused.
what would you bid here if it wasn't a passed hand? I know that 2♦ is forcing, but I don't remember how many points it promises.
Thanks in advance.

Help

pass - pass - 1♣ - 1♥
???