From my little understanding, you are fine. You just missed out on seeing the bubbles; nothing more. Now, if you are like me, that is probably one of my favorite things about brewing beer. However, other than aesthetic reasons, bubbling in the airlock is virtually worthless.
But, I am a noob. Other vets may have better info for you.
Beneath this mask there is more than flesh. Beneath this mask there is an idea, Mr. Creedy, and ideas are bulletproof.