Incidentally, I found some text that says "Drag & drop your file onto the Castle below.", but it's white on white, so I was only able to notice it by selecting

Incidentally, I found some text that says "Drag & drop your file onto the Castle below.", but it's white on white, so I was only able to notice it by selecting the text. If I had seen that text originally, it would have made the page slightly less mysterious. The color is coming from line 1244 of https://castle.so/assets/application-85b2387ecd44d11edb66f044664cc6f4.css https://castle.so/assets/application-85b2387ecd44d11edb66f04...