deps: Bump tailwindcss from 3.4.19 to 4.2.2

Bumps [tailwindcss](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/tailwindcss) from 3.4.19 to 4.2.2.
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/tailwindcss/commits/v4.2.2/packages/tailwindcss)

---
updated-dependencies:
- dependency-name: tailwindcss
  dependency-version: 4.2.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.licensee.json

@@ -3,7 +3,8 @@
 		"spdx": [
 			"CC-BY-3.0",
 			"CC-BY-4.0",
-			"BSD"
+			"BSD",
+			"MPL-2.0"
 		],
 		"blueOak": "bronze"
 	},

internal/documentation/.vitepress/config.ts

@@ -1,6 +1,7 @@
 // using the defineConfig helper will provide TypeScript-powered
 // intellisense for config options
 import { defineConfig } from "vitepress";
+import tailwindcss from "@tailwindcss/vite";
 
 // markdown
 import MarkdownItImplicitFigures from "markdown-it-implicit-figures";
@@ -92,6 +93,9 @@ export default defineConfig({
 
 
 	vite: {
+		plugins: [
+			tailwindcss(),
+		],
 		build: {
 			chunkSizeWarningLimit: 4000, // chunk for local search index dominates
 		},

internal/documentation/.vitepress/theme/custom.css

@@ -1,6 +1,5 @@
-@tailwind base;
-@tailwind components;
-@tailwind utilities;
+@config "../../tailwind.config.js";
+@import "tailwindcss";
 
 @layer base {
   /**

internal/documentation/package.json

@@ -37,12 +37,13 @@
 		"download-packages": "./scripts/downloadPackages.sh"
 	},
 	"dependencies": {
+		"@tailwindcss/vite": "^4.2.2",
 		"@types/node": "^25.2.2",
 		"autoprefixer": "^10.4.20",
 		"cssnano": "^7.0.5",
 		"markdown-it-implicit-figures": "^0.12.0",
 		"postcss": "^8.4.41",
-		"tailwindcss": "^3.4.10",
+		"tailwindcss": "^4.2.2",
 		"vitepress": "^1.3.4",
 		"vue": "^3.4.38"
 	},

internal/documentation/postcss.config.js

@@ -1,6 +1,5 @@
 export default {
 	plugins: {
-		tailwindcss: {},
 		autoprefixer: {},
 		...(process.env.NODE_ENV === "production" ? {cssnano: {}} : {})
 	}

internal/documentation/tailwind.config.js

@@ -1,4 +1,4 @@
-import colors from "tailwindcss/colors";
+import colors from "tailwindcss/colors.js";
 
 /** @type {import('tailwindcss').Config} */
 export default {
@@ -7,11 +7,8 @@ export default {
 	darkMode: "class",
 	content: [
 		"./.vitepress/theme/**/*.{vue,js,ts,jsx,tsx}",
-		"./src/**/*.{vue,js,ts,jsx,tsx,md}",
+		"./docs/**/*.{vue,js,ts,jsx,tsx,md}",
 	],
-	corePlugins: {
-		preflight: false,
-	},
 	theme: {
 		colors: {
 			/* defaults */