Just need some advice…

I went to a concert by myself in October but ended up meeting a friend there… I live with my parents and they gifted me a car a few years back, they also pay for insurance on it. I have been very sheltered my whole life and homeschooled. I am 24 almost 25 and have never had a job! (i know, i feel awful & im working on it) My mother didn’t want me to go to the concert or any event ever alone, but I know she just doesn’t want me to go out into the world at all. She ended up taking my car away in early October and I have not been “good enough” or “mature enough” to get it back… I totally understand that my parents pay the insurance and all but I truly feel like I haven’t done anything wrong that I am being told I did wrong. I know she wants to keep me inside and depressed and dependent on her for as long as she can. I have called her out on it before and it just makes everything worse. I apply to jobs and she always says oh that’s too far to drive everyday but then she wants me to “grow up & pay bills”! Am I insane for thinking me going to a outdoor concert is okay? I don’t know how to get through to her as I have had multiple conversations with her about how she treats me and how it makes me feel. I told her once that I don’t feel loved by her and she said “don’t put that on me that’s something you need to deal with on your own.” Any advice on any of this would be appreciated. I know leaving is the best option but I can’t yet, as I am not sure how.