my wp-admin page seems like hacked

Hi everyone of wp users, please may someone help
Today when I entered like usual my wp-admin panel, it directed to a blank page with nothing but ask me to enter
Password:
please check https://www.futlounge.com/wp-admin/
I followed https://www.solostream.com/blog/how-to-fix-your-wordpress-site-if-it-gets-hacked-part-one/ and deleted all files but wp-content, and the problem remains,
hopefully someone can help

(PS. my site was hacked, I deleted a lot of files uploaded by some other malicious person)