The back story is that DDs is 16 and about to start mock exams. I probably couldn't have picked a worse time but I looked in her room and it is literally piled with clothes and rubbish on the floor. I found DS's dressing gown that he'd lost, 5 towels and some dirty plates and cups. It smells in there as well. I went to pick her up from dance practice, about a 20 min drive and told her during the drive that her room was unacceptable and she needed to tidy it.
She responded by literally screaming at me, crying and accusing me of invading her privacy. I didn't scream back but did tell her she was being childish and she was just trying to get out of tidying her room. She then told me she had done 'literally nothing else but work for mocks and go to dance'. Not true as she was gaming last night and watching a film on Netflix this morning.
I get that she's feeling stressed and it doesn't help that DS has just got an offer for uni and is pulling away, but how do I deal with this. I've told her she needs to make progress on tidying her room by tomorrow or I'm tidying it myself with binbags. She absolutely hates that idea and is calling it an invasion of privacy. Then she announced she was done with me and went in her room. (Hopefully to tidy but I suspect to cry and text her friends about her awful mother)
Am I being unreasonable by expecting her room to be tidied when her mocks are next week? Should I wait?