Rename all --color-gh-* CSS tokens to --color-*, update Tailwind class names (bg-gh-*, text-gh-*, border-gh-*, etc.) across all TSX/TS files, rename GhButton component and file to Button, and remove trivial descriptive comments.
Rename all --color-gh-* CSS tokens to --color-*, update Tailwind class names (bg-gh-*, text-gh-*, border-gh-*, etc.) across all TSX/TS files, rename GhButton component and file to Button, and remove trivial descriptive comments.