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

assets/js/back-to-top.js

@@ -5,9 +5,9 @@ document.addEventListener("DOMContentLoaded", function () {
   if (backToTop) {
     document.addEventListener("scroll", (e) => {
       if (window.scrollY > 300) {
-        backToTop.classList.remove("hx-opacity-0");
+        backToTop.classList.remove("hx:opacity-0");
       } else {
-        backToTop.classList.add("hx-opacity-0");
+        backToTop.classList.add("hx:opacity-0");
       }
     });
   }

assets/js/flexsearch.js

@@ -6,7 +6,7 @@ document.addEventListener("DOMContentLoaded", function () {
     // select the kbd element under the .search-wrapper class
     const keys = document.querySelectorAll(".search-wrapper kbd");
     keys.forEach(key => {
-      key.innerHTML = '<span class="hx-text-xs">⌘</span>K';
+      key.innerHTML = '<span class="hx:text-xs">⌘</span>K';
     });
   }
 });
@@ -143,7 +143,7 @@ document.addEventListener("DOMContentLoaded", function () {
   function hideSearchResults() {
     const { resultsElement } = getActiveSearchElement();
     if (!resultsElement) return;
-    resultsElement.classList.add('hx-hidden');
+    resultsElement.classList.add('hx:hidden');
   }
 
   // Handle keyboard events.
@@ -316,7 +316,7 @@ document.addEventListener("DOMContentLoaded", function () {
     while (resultsElement.firstChild) {
       resultsElement.removeChild(resultsElement.firstChild);
     }
-    resultsElement.classList.remove('hx-hidden');
+    resultsElement.classList.remove('hx:hidden');
 
     const pageResults = window.pageIndex.search(query, 5, { enrich: true, suggest: true })[0]?.result || [];
 

assets/js/lang.js

@@ -5,7 +5,7 @@
       e.preventDefault();
       switcher.dataset.state = switcher.dataset.state === 'open' ? 'closed' : 'open';
       const optionsElement = switcher.nextElementSibling;
-      optionsElement.classList.toggle('hx-hidden');
+      optionsElement.classList.toggle('hx:hidden');
 
       // Calculate position of language options element
       const switcherRect = switcher.getBoundingClientRect();
@@ -21,7 +21,7 @@
       languageSwitchers.forEach((switcher) => {
         switcher.dataset.state = 'closed';
         const optionsElement = switcher.nextElementSibling;
-        optionsElement.classList.add('hx-hidden');
+        optionsElement.classList.add('hx:hidden');
       });
     }
   });

assets/js/menu.js

@@ -2,53 +2,24 @@
 
 document.addEventListener('DOMContentLoaded', function () {
   const menu = document.querySelector('.hamburger-menu');
-  const overlay = document.querySelector('.mobile-menu-overlay');
   const sidebarContainer = document.querySelector('.sidebar-container');
 
-  // Initialize the overlay
-  const overlayClasses = ['hx-fixed', 'hx-inset-0', 'hx-z-10', 'hx-bg-black/80', 'dark:hx-bg-black/60'];
-  overlay.classList.add('hx-bg-transparent');
-  overlay.classList.remove("hx-hidden", ...overlayClasses);
-
   function toggleMenu() {
     // Toggle the hamburger menu
     menu.querySelector('svg').classList.toggle('open');
 
     // When the menu is open, we want to show the navigation sidebar
-    sidebarContainer.classList.toggle('max-md:[transform:translate3d(0,-100%,0)]');
-    sidebarContainer.classList.toggle('max-md:[transform:translate3d(0,0,0)]');
+    sidebarContainer.classList.toggle('hx:max-md:[transform:translate3d(0,-100%,0)]');
+    sidebarContainer.classList.toggle('hx:max-md:[transform:translate3d(0,0,0)]');
 
     // When the menu is open, we want to prevent the body from scrolling
-    document.body.classList.toggle('hx-overflow-hidden');
-    document.body.classList.toggle('md:hx-overflow-auto');
-  }
-
-  function hideOverlay() {
-    // Hide the overlay
-    overlay.classList.remove(...overlayClasses);
-    overlay.classList.add('hx-bg-transparent');
+    document.body.classList.toggle('hx:overflow-hidden');
+    document.body.classList.toggle('hx:md:overflow-auto');
   }
 
   menu.addEventListener('click', (e) => {
     e.preventDefault();
     toggleMenu();
-
-    if (overlay.classList.contains('hx-bg-transparent')) {
-      // Show the overlay
-      overlay.classList.add(...overlayClasses);
-      overlay.classList.remove('hx-bg-transparent');
-    } else {
-      // Hide the overlay
-      hideOverlay();
-    }
-  });
-
-  overlay.addEventListener('click', (e) => {
-    e.preventDefault();
-    toggleMenu();
-
-    // Hide the overlay
-    hideOverlay();
   });
 
   // Select all anchor tags in the sidebar container
@@ -62,7 +33,6 @@ document.addEventListener('DOMContentLoaded', function () {
         // Only dismiss overlay on mobile view
         if (window.innerWidth < 768) {
           toggleMenu();
-          hideOverlay();
         }
       }
     });