Where should CSS files go in a React project?
Co-locate CSS files with their components so you can find and remove them easily. Avoid a single giant styles folder for the whole app. If you use Tailwind, most styles live inline with the components.
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Start simple with a components folder, a utils folder, and an entry file. As the app grows, group files by feature so each feature's components, hooks, and styles live together. Avoid creating many empty folders on day one.
For larger apps, grouping by feature is better. A feature folder contains its components, hooks, styles, and tests together, making the feature easier to understand and move than files scattered by type.
Keep configuration files like package.json, bundler config, .env, and .gitignore at the project root. Keep your source code inside a src folder so configuration and code stay clearly separated.
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