I have a 14 and 12yr old, and completely get where you are coming from.
all I can say is.......it gets better. I promise!
pisk your battles. work out what gets you the most wound up, and just tell her that one thing. for me, it is the way they come into the house and throw thier school bags down and kick off their shoes where ever they please, when they have pegs for the bags and shelves for the shoes. those two things then get to me so much I get at them for anything and everything else.
since I pointed it out, and they pointed out what I did to piss them off (the constant nagging), things are ever-so-slightly calmer. I say 'slightly', as PMT makes a massive difference in my mood and theirs.
being in the throws of puberty is like having severe PMT without a break. if you suffer, then you can kind of see why she is like she is. those hormones are horrid!!
and do not forget......she will be long past this when you hit menopause proper......you wil need sympathy, so give it in spades now.
and , cos I know how shite it makes you feel!