The Consular Officer didn’t say if I was approved or not. They took my passport though, is that a good sign? Am I approved?

Neither. It’s not a good sign nor a bad sign. Them taking your passport is not (in any way) an assurance that you’ve passed your interview nor has anything to do with your visa status. There are other background checks that are still needed to be done before an approval / issuance of a visa. This…