Add support for Tailwind CSS v4.1

[dcastil]

Announced in Tweet https://x.com/adamwathan/status/1905670109441446391

Tailwind CSS v4.1 coming next week 🤙🏻

Changes to check

Everything in https://github.com/tailwindlabs/tailwindcss/releases/tag/v4.1.0.

Added

• Add details-content variant (#15319)
• Add inverted-colors variant (#11693)
• Add noscript variant (#11929, #17431)
• Add items-baseline-last and self-baseline-last utilities (#13888, #17476)
• Add pointer-none, pointer-coarse, and pointer-fine variants (#16946)
• Add any-pointer-none, any-pointer-coarse, and any-pointer-fine variants (#16946)
• Add safe alignment utilities (#14607)
• Add user-valid and user-invalid variants (#12370)
• Add wrap-anywhere, wrap-break-word, and wrap-normal utilities (#12128)
• Add @source inline(…) and @source not inline(…) (#17147)
• Add @source not "…" (#17255)
• Add text-shadow-* utilities (#17389)
• Add mask-* utilities (#17134)
• Add bg-{position,size}-* utilities for arbitrary values (#17432)
• Add shadow-*/<alpha>, inset-shadow-*/<alpha>, drop-shadow-*/<alpha>, and text-shadow-*/<alpha> utilities to control shadow opacity (#17398, #17434)
• Add drop-shadow-<color> utilities (#17434)
• Improve compatibility with older versions of Safari and Firefox (#17435)

Fixed

• Follow symlinks when resolving @source directives (#17391)
• Don't scan ignored files for classes when changing an ignored file triggers a rebuild using @tailwindcss/cli (#17255)
• Support negated content rules in legacy JavaScript configuration (#17255)
• Interpret syntax like @("@")md:… as @md:… in Razor files (#17427)
• Disallow top-level braces, top-level semicolons, and unbalanced parentheses and brackets in arbitrary values (#17361)
• Ensure the --theme(…) function still resolves to the CSS variables when using legacy JS plugins (#17458)
• Detect used theme variables in CSS module files (#17433, #17467)

Changed

• Ignore node_modules by default (can be overridden by @source … rules) (#17255)
• @source rules that include file extensions or point inside node_modules/ folders no longer consider your .gitignore rules (#17255)
• Deprecate bg-{left,right}-{top,bottom} in favor of bg-{top,bottom}-{left,right} utilities (#17378)
• Deprecate object-{left,right}-{top,bottom} in favor of object-{top,bottom}-{left,right} utilities (#17437)

[dcastil]

Opened related PR in tailwindlabs/tailwindcss.com#2196.

[github-actions]

This was addressed in release v3.2.0.