Was she being friendly the whole time or did she change her mind about me?

A couple of weeks ago, I met a girl at a conference. I followed her on Instagram and we kept talking. She’s Hispanic, I’m Black. She kept saying flirty things to me about how she loves dark chocolate men like me, joking about how we would/wouldn’t work out as a couple, and she talked about moving to my city.

Then yesterday, out of nowhere, she sends me a message saying she’s getting “more than friend vibes from me” and says she thinks I’m a cool guy, but wants to be just friends. I’m so confused. What do you think could’ve happened? Could I have said something wrong and I need to read her mind to figure it out?

Was she being friendly the whole time or did she change her mind about me?
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