Thank you for your comment!
Twine can be a very malleable tool if you know a bit of CSS. You could probably achieve the same result (and do it more efficiently) with a VN engine like Ren'Py, but I didn't have time to learn a new coding language 😅
Fun fact, the near-black colour of the background is actually eigengrau, the colour you reportedly see when you close your eyes!
I've edited the description to indicate that you sometimes can't do anything (thank you for telling me), though I think the desperate attempts to advance the story add to the feeling of helplessness.