ci sto
Bene. Luca, potresti andare avanti con il sedile. Peter ha le gambe lunghe.
Non ti preoccupare ci sto.

Could you explain "ci sto" mean in this sentence?
What does "ci" signify?
and "stare" means fit?

Question

ci sto
Bene. Luca, potresti andare avanti con il sedile. Peter ha le gambe lunghe.
Non ti preoccupare ci sto.

Could you explain "ci sto" mean in this sentence?
What does "ci" signify?
and "stare" means fit?

Answer

In this case it literally means "I (can) stay [sto] here [ci]" that is to say "I have enough space"

Answer

In this context " Ci sto" means: to fit on or to have enough space

e.g. "Don't worry, I fit on"

Answer

"I fit (in it)"

Answer

I'm game! I'm on!
(Here: Don't worry I'm with you.)
starci (collocation) accetare, acconsentire
There are many different meanings CI in italian language. Don't try to understand it all at the beginning :)