How do I transfer files from iPhone to iCloud?

I’ve looked around the forums and haven’t found anything current that specifically pertains to my situation.

I just spent a ton of time organizing my Pages file folder on my iPhone only to realize that the iCloud side was still in disarray. So I thought to myself, “Self, why don’t you just delete everything that was in the iCloud folder and copy everything in your phone folder over so that you don’t have to go through all that again.” Great idea! So I deleted everything in my Pages folder on iCloud, copied everything in my Pages phone storage folder and went to paste it in, and Lo and behold, it won’t give me a Paste option.

Now, I’ve just learned that if I create a folder, I can transfer them...I just don’t know why the system isn’t allowing me to use the folders it’s already created natively. Like, Acrobat didn’t create a folder in iCloud because Adobe already has a cloud folder outside of the iCloud folder. I want redundancy so I created an Acrobat folder and was able to copy/paste a crap ton of PDFs over in seconds.

Why can’t I do this with Pages Docs from phone to iCloud?! Am I just not seeing/doing something properly? (And yes, my battery life is terrible...getting that fixed soon).

Image 1: iCloud Pages Folder showing no Paste option; plenty of storage.

Image 2: Showing greyed out Move option for Pages iCloud storage.