Thank you so much everyone for the input. I'll see what I can do for her. It sounds like I'm already doing a lot of things right for her, and I'll try to fill in the gaps.
Her water bowl is definitely too shallow for her to drown in. It's big but we don't fill it up very much.
She gets a lot of light because she's in my office, but she has a lot of dark places in her habitat to go.
As far as temps go, she definitely does better when she's colder. She spends most of her time in the ~75F area of her habitat with only occasional trips to the warmer side.
Maybe these pictures will show up?
The day we got her:
The day we took her to the vet (after an electrolyte soak, she looked WAY worse before)
After the first couple feedings
The first day she had the strength to do anything but crawl right back in her hide
Her having her first un-assisted feed since we brought her home several months ago:
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