Help ;>;

I have a friend and their female. I am also female myself but my friend thinks we are dating and i only like guys, she has confessed to me before but i turned her down we got closer as friends and she thinks we are dating..I feel bad because i dont know what i should tell her and I´ve probably been giving her mixed signals and i feel bad plus I´ve never dated before and i dont want to embarrass her ;-; i need help please







also tysm for helping me out if you did ;-; i dont have any other social media other than this (strict parents lol)