You shipped a Lovable app. It works. The buttons click, the forms submit, the data flows.

Then you open it on your phone and the hero section overlaps the nav. Or you squint at a button that's definitely not your brand blue. Or a screen reader announces nothing useful.

This isn't a "you" problem. Testing by Jason Arbon found approximately 160 issues per AI-generated app, and the majority aren't functional bugs. They're visual: layout, spacing, accessibility, color.

Here are the 7 categories that show up in every AI-generated codebase, regardless of which tool built it.

1. Spacing Drift