How change output entry css filename

[jerryk1925]

I want to change only entry css filename, but i can change only all css file like this

        assetFileNames: ({ name }) => {

          if (/\.css$/.test(name ?? '')) {
            return 'styles/[name][extname]';
          }


          return '[name]-[hash][extname]';
        },

How i can change only entry css file for index.html