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/partials/components/pager.html

@@ -26,15 +26,15 @@
 {{- end -}}
 
 {{- if or $prev $next -}}
-  <div class="hx-mb-8 hx-flex hx-items-center hx-border-t hx-pt-8 dark:hx-border-neutral-800 contrast-more:hx-border-neutral-400 dark:contrast-more:hx-border-neutral-400 print:hx-hidden">
+  <div class="hx:mb-8 hx:flex hx:items-center hx:border-t hx:pt-8 hx:border-gray-200 hx:dark:border-neutral-800 hx:contrast-more:border-neutral-400 hx:dark:contrast-more:border-neutral-400 hx:print:hidden">
     {{- if $prev -}}
       {{- $linkTitle := partial "utils/title" $prev -}}
       <a
         href="{{ $prev.RelPermalink }}"
         title="{{ $linkTitle }}"
-        class="hx-flex hx-max-w-[50%] hx-items-center hx-gap-1 hx-py-4 hx-text-base hx-font-medium hx-text-gray-600 hx-transition-colors [word-break:break-word] hover:hx-text-primary-600 dark:hx-text-gray-300 md:hx-text-lg ltr:hx-pr-4 rtl:hx-pl-4"
+        class="hx:flex hx:max-w-[50%] hx:items-center hx:gap-1 hx:py-4 hx:text-base hx:font-medium hx:text-gray-600 hx:transition-colors [word-break:break-word] hx:hover:text-primary-600 hx:dark:text-gray-300 hx:md:text-lg hx:ltr:pr-4 hx:rtl:pl-4"
       >
-        {{- partial "utils/icon.html" (dict "name" "chevron-right" "attributes" "class=\"hx-inline hx-h-5 hx-shrink-0 ltr:hx-rotate-180\"") -}}
+        {{- partial "utils/icon.html" (dict "name" "chevron-right" "attributes" "class=\"hx:inline hx:h-5 hx:shrink-0 hx:ltr:rotate-180\"") -}}
         {{- $linkTitle -}}
       </a>
     {{- end -}}
@@ -43,10 +43,10 @@
       <a
         href="{{ $next.RelPermalink }}"
         title="{{ $linkTitle }}"
-        class="hx-flex hx-max-w-[50%] hx-items-center hx-gap-1 hx-py-4 hx-text-base hx-font-medium hx-text-gray-600 hx-transition-colors [word-break:break-word] hover:hx-text-primary-600 dark:hx-text-gray-300 md:hx-text-lg ltr:hx-ml-auto ltr:hx-pl-4 ltr:hx-text-right rtl:hx-mr-auto rtl:hx-pr-4 rtl:hx-text-left"
+        class="hx:flex hx:max-w-[50%] hx:items-center hx:gap-1 hx:py-4 hx:text-base hx:font-medium hx:text-gray-600 hx:transition-colors [word-break:break-word] hx:hover:text-primary-600 hx:dark:text-gray-300 hx:md:text-lg hx:ltr:ml-auto hx:ltr:pl-4 hx:ltr:text-right hx:rtl:mr-auto hx:rtl:pr-4 hx:rtl:text-left"
       >
         {{- $linkTitle -}}
-        {{- partial "utils/icon.html" (dict "name" "chevron-right" "attributes" "class=\"hx-inline hx-h-5 hx-shrink-0 rtl:-hx-rotate-180\"") -}}
+        {{- partial "utils/icon.html" (dict "name" "chevron-right" "attributes" "class=\"hx:inline hx:h-5 hx:shrink-0 hx:rtl:-rotate-180\"") -}}
       </a>
     {{- end -}}
   </div>