chore: migrate to Tailwind CSS v4.0 (#632)

* chore: migrate PostCSS configuration to v4

* chore: update dependencies in package.json and package-lock.json

- Bump versions for autoprefixer, postcss, postcss-cli, prettier, and tailwindcss.
- Remove unused dependencies to streamline the project.

* chore: add @tailwindcss/postcss and update package-lock.json

* fix: update import paths in CSS files for consistency

* fix: change prefix from `hx-` to `hx:`

* chore: migrate primary color theme variables to CSS

* fix: remove unnecessary text decoration property from anchor styles in typography CSS

* fix: update CSS styles for improved consistency and clarity across components

* chore: clean up package.json and package-lock.json, remove unused dependencies, and update CSS imports for better organization

* fix: bulk replace prefix `hx-` with `hx:`

* fix: update tailwind css prefix

* fix: styling consistent issues

- steps counter fix in v4
- removed tailwind.css
- update hr border colors
- fix button cursor in v4
- fix border colors in various places

* fix: update class prefixes for consistency in menu and sidebar components

* fix: refine CSS classes and transitions for navbar and sidebar components

- Updated hamburger menu styles for improved animation and structure.
- Adjusted sidebar transition duration for smoother effects.
- Standardized class prefixes for consistency across components.

* fix: update border color in hero badge component for improved styling consistency

* fix: update tab button cursor style for improved user interaction

* chore: recompile css

* fix: dark mode color not applied for before / after elements

* fix: docs navigation

* chore: recompile CSS

* chore: update Tailwind CSS and PostCSS dependencies to version 4.0.17, recompile CSS, and add safelist

* fix: typo in class name and add back decoration-from-font for typography a tags

* fix: update class syntax for Tailwind CSS compatibility in mermaid code block

layouts/_default/taxonomy.html

@@ -1,25 +1,25 @@
 {{ define "main" }}
-  <div class='hx-mx-auto hx-flex {{ partial "utils/page-width" . }}'>
+  <div class='hx:mx-auto hx:flex {{ partial "utils/page-width" . }}'>
     {{ partial "sidebar.html" (dict "context" . "disableSidebar" true "displayPlaceholder" true) }}
     {{ partial "toc.html" (dict "Params" (dict "toc" false)) }}
-    <article class="hx-w-full hx-break-words hx-flex hx-min-h-[calc(100vh-var(--navbar-height))] hx-min-w-0 hx-justify-center hx-pb-8 hx-pr-[calc(env(safe-area-inset-right)-1.5rem)]">
-      <main class="hx-w-full hx-min-w-0 hx-max-w-6xl hx-px-6 hx-pt-4 md:hx-px-12">
-        <br class="hx-mt-1.5 hx-text-sm" />
-        {{ if .Title }}<h1 class="hx-text-center hx-mt-2 hx-text-4xl hx-font-bold hx-tracking-tight hx-text-slate-900 dark:hx-text-slate-100">{{ .Title }}</h1>{{ end }}
-        <div class="hx-mb-16"></div>
+    <article class="hx:w-full hx:break-words hx:flex hx:min-h-[calc(100vh-var(--navbar-height))] hx:min-w-0 hx:justify-center hx:pb-8 hx:pr-[calc(env(safe-area-inset-right)-1.5rem)]">
+      <main class="hx:w-full hx:min-w-0 hx:max-w-6xl hx:px-6 hx:pt-4 hx:md:px-12">
+        <br class="hx:mt-1.5 hx:text-sm" />
+        {{ if .Title }}<h1 class="hx:text-center hx:mt-2 hx:text-4xl hx:font-bold hx:tracking-tight hx:text-slate-900 hx:dark:text-slate-100">{{ .Title }}</h1>{{ end }}
+        <div class="hx:mb-16"></div>
         <div class="content">
           {{ .Content }}
         </div>
-        <div class="hx-grid hx-grid-cols-1 md:hx-grid-cols-2 lg:hx-grid-cols-3 xl:hx-grid-cols-4 hx-gap-4">
+        <div class="hx:grid hx:grid-cols-1 hx:md:grid-cols-2 hx:lg:grid-cols-3 hx:xl:grid-cols-4 hx:gap-4">
           {{ range .Data.Terms }}
-            <div class="hx-w-full">
+            <div class="hx:w-full">
               <a
                 href="{{ .Page.RelPermalink }}"
                 title="{{ .Page.LinkTitle }}"
-                class="hx-font-medium hover:hx-text-primary-600"
+                class="hx:font-medium hx:hover:text-primary-600"
               >
                 {{- .Page.LinkTitle -}}
-                <span class="hx-text-sm hx-text-gray-500">&nbsp;{{ .Count }}</span>
+                <span class="hx:text-sm hx:text-gray-500">&nbsp;{{ .Count }}</span>
               </a>
             </div>
           {{ end }}