This is a bummer. We, too, have some family members that make poor choices, much to our chagrin. But more than that, it makes you feel like you're helpless to help.
You've done exactly as you should.
The world needs more strong, tough love.
Hang in there. Keep on your path. The best outcome will be that she follows.
Hugs. ❤️
All I can do now is hope she 'sees the light' and starts making the tough decisions. Told her it'll be the hardest shit she ever does, but by far, the most rewarding.