It's not clear to me that you're positive that she got the text and positive that she deliberately didn't deliberately reply. I've had texts sent to me and texts I sent go astray.

Unless I missed it, you've said nothing that indicates she even knows why you're mad at her. And the fact that she's still texting you suggests maybe something just went wrong this weekend. I'd want to find out if I were you.

Sorry that this is so upsetting. I hope things resolve themselves.