I have worked in many leadership roles and my advice is not to be vocal but to build relationships with your team. Show them values of respect, honesty and reliability and they will see that you are genuine. Seek support from your senior. It sounds like you may have been promoted from within the team and that can be a tricky transition.

I hope things have improved for you and your team

This is pretty vague. But perhaps you need to be clearer, in writing for proof, or be tougher?

I wouldn’t know what is wrong. There are different styles and different teams.
The seven primary leadership styles are:

Autocratic.
Authoritative.
Pacesetting.
Democratic.
Coaching.
Affiliative.
Laissez-faire.