I have been searching for this book for almost a decade now and have had no luck, and I stumbled upon your blog and thought I might email you to give it a shot. It wasn’t very long, more of a novella I imagine, and it was about a cat. The main character was a girl or teenager who kept seeing this cat and either she would black out or she would watch the cat destroy and I think even attack people around her, and when she came to awareness the cat was gone and all of the damage was blamed on her. In one instance of this there was a dress that was destroyed. The cat was some representation of the devil or something and there was a scene I think near the end where the girl chased the cat into an alley. The cover was mostly red or at least prominently featured it, and I think the title maybe had the word cat in it or some direct reference to the animal, though I could be wrong.
Sounds like maybe The Witches of Worm, by Zilpha Keatley Snyder? One of the 1980s covers had a red border, and it’s about a girl who starts behaving more and more destructively but thinks her actions may be because her new cat is possessed by the devil. A dress definitely gets trashed! You can see the red cover I’m picturing here: https://www.goodreads.com/book/show/2319.The_Witches_of_Worm
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