fix(deps): update tailwindcss monorepo to v4.0.9

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@tailwindcss/postcss (source)	4.0.6 -> 4.0.9
tailwindcss (source)	4.0.6 -> 4.0.9

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Release Notes

tailwindlabs/tailwindcss (@​tailwindcss/postcss)

v4.0.9

Compare Source

Fixed

• Make JS APIs available to plugins and configs in the Standalone CLI (#​15934)
• Vite: Don't crash when importing a virtual module from JavaScript that ends in .css (#​16780)
• Fix an issue where @reference "…" would sometimes omit keyframe animations (#​16774)
• Ensure z-*! utilities are properly marked as !important (#​16795)
• Read UTF-8 CSS files that start with a byte-order mark (BOM) (#​16796)
• Ensure nested functions in selectors used with JavaScript plugins are not truncated (#​16802)

Changed

• Emit variable fallbacks when using @reference "…" instead of duplicate CSS variable declarations (#​16774)

v4.0.8

Compare Source

Added

• Allow @import with theme(…) options for stylesheets that contain more than just @theme rules (#​16514)

Fixed

• Don't add !important to CSS variable declarations when using the important modifier (#​16668)
• Vite: Ignore files and directories specified in your .gitignore file when using automatic source detection(#​16631)
• Vite: Don't rely on the module graph for detecting candidates to ensure setups with multiple Vite builds work as expected (#​16631)
• Vite: Ensure Astro production builds always contain classes used in client-only components (#​16631)
• Vite: Always scan raw file contents for utility classes before any other transforms have been applied to ensure utility classes are scanned without any additional escaping (#​16631)
• Ensure utilities with more declarations are always sorted before utilities with fewer declarations when utilities only define CSS variables (#​16715)
• Only include translate-z-px utilities once in compiled CSS (#​16718)

Changed

• Don't include theme variables that aren't used in compiled CSS (#​16211, #​16676)

v4.0.7

Compare Source

Fixed

• Export tailwindcss/lib/util/flattenColorPalette.js for backward compatibility (#​16411)
• Fix sorting of numeric utility suggestions when they have different magnitudes (#​16414)
• Show suggestions for fractions in IntelliSense (#​16353)
• Don’t replace _ in suggested theme keys (#​16433)
• Ensure --default-outline-width can be used to change the outline-width value of the outline utility (#​16469)
• Ensure drop shadow utilities don't inherit unexpectedly (#​16471)
• Export config and plugin types from tailwindcss/plugin for backward compatibility (#​16505)
• Ensure JavaScript plugins that emit nested rules referencing the utility name work as expected (#​16539)
• Statically link Visual Studio redistributables in @tailwindcss/oxide Windows builds (#​16602)
• Ensure that Next.js splat routes are scanned for classes (#​16457)
• Pin exact version of tailwindcss in @tailwindcss/* packages (#​16623)
• Upgrade: Report errors when updating dependencies (#​16504)
• Upgrade: Ensure a darkMode JS config setting with block syntax converts to use @slot (#​16507)
• Upgrade: Ensure the latest version of tailwindcss and @tailwindcss/postcss are installed when upgrading (#​16620)

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