Nothing looks different for me in the seller hub or under listings. There has always been a spreadsheet like appearance with columns for photo - title - item specifics - price - quantity - views - watchers - end date - start date and time left. You change the width of the columns and customize the table even more.
You look like a regular seller. I recommend clearing cache and cookies and restarting your computer. That helps me whenever it appears I've landed in Oz.
