Spot Cleaning the Cage

[eleplantsy]

Hi all, I recently adopted a female robo last Sunday and she has just begun allowing me to interact with her. So far, she has sniffed me and taken food off my hand. I haven't tried to touch her yet coz I'm afraid of setting back our progress by going too fast. However, I've unfortunately made the mistake of giving her tons of bedding to start off with. I know hamsters enjoy having deep substrate to burrow in but the problem is that I figured my hamster has made one of her burrow chambers into a toilet which meant that I've not been able to spot clean at all.

I know it's still just under a week since I got her so I shouldn't have to worry too much just yet but I'm worried it will start to stink (it hasn't yet). I saw on some other forum posts that you shouldn't do deep cleaning or move too much of their bedding or you'll stress them out which I definitely don't want to do. But, what can I do about the toilet situation? I have an Alaska cage and have piled the substrate all the way up in the entire area under the platform so it's a pretty big area (around 1/3 of the cage). And I have no idea where the toilet chamber is so I can't be selective and only take out that area to clean. Her nest is also inside the burrow, I'm assuming it's because she doesn't feel comfortable with making the upstairs hideaway her nest since the platform is bare and without bedding for her to hide in.

How should I approach this now? She has gotten more adventurous with me as well as I mentioned earlier but I have yet to see her just casually roaming the cage even though I'm a night owl and I'm awake the same time she is (I'm trying to fix my sleeping pattern though coz I saw on ErinsAnimals' channel that artificial lighting can actually cause depression in hamster if it's on all night). She mostly just stays in her burrows. I've also never seen/heard her use her wheels. They're the trixie 8inch wheel so I'm wondering if it's just because it's too big for a baby robo to push or if she just doesn't know how to use it yet? I also have a few toys for her, a nut knot nibbler and two rosewood veggie wood toys, but she only mostly "plays" with the boredom breakers I made with toilet rolls that have a bit of her seed mix in them, so I'm wondering what she's doing with all her time? She's a robo so I'm extra worried that she'd go insane with the lack of exercise D:

Sorry I ended up blabbering about way more than just my problem with spot cleaning. Hope to get some answers. I can't believe how many questions I'm asking despite having done tons of research. I guess book knowledge is really worth zilch without practical experience o<-<