Idk what to do anymore

So my I’m 19 I pay rent, I buy everything I need myself clothes,food, toiletries, pay my own bus pass, pay for my own phone bill and braces.

My mom came to me saying she locked all her money in the back account so she can’t touch any of it now she’s expecting me to pay more rent on top of giving her money whenever she asks for it while I’m going to school and basically living paycheque to paycheque at home

What do I do?