Troubleshooting Style Conflicts in React Apps: My Developer’s Guide

I know how frustrating it is to deal with unexpected style conflicts in React apps. I have spent countless moments tweaking the look of a new component only to refresh and find that something else broke. I have lost hours on these wild goose chases. Fortunately, I have learned that React comes with tools and patterns that help minimize and debug these annoying issues. I want to share what I have learned about why these style conflicts happen and my favorite ways to troubleshoot and avoid them. Note: This piece was written with artificial intelligence support and may reference projects I'm affiliated with. Understanding CSS Conflicts in React React made me think in components. But CSS is still global by default and does not care about my fancy architecture. This means a few things I learned the hard way: Any class or ID I declare in a CSS file gets applied everywhere. Styles can easily leak from one component into another without me noticing. When I use the same class name, like .button