fix: prevent animation flickering and refine post card hover state

assets/css/tailwind.css

@@ -206,6 +206,14 @@
   fill: currentColor;
 }
 
+.post-grid-item {
+  opacity: 0;
+}
+
+.post-grid-item.animated {
+  opacity: 1;
+}
+
 @keyframes fadeInUp {
   from {
     opacity: 0;
@@ -216,7 +224,3 @@
 .animate-fadeInUp {
   animation: fadeInUp 0.5s ease-out forwards;
 }
-
-.post-grid-item.animated {
-  opacity: 1;
-}

assets/js/main.js

@@ -20,12 +20,15 @@ document.addEventListener('DOMContentLoaded', () => {
     // Re-run animation and other setup when HTMX settles new content
     // Use document instead of document.body to persist across boosted navigation
     document.addEventListener('htmx:afterSettle', (event) => {
-        // Global page fade-in animation
-        const mainContent = document.getElementById('main-content');
-        if (mainContent) {
-            mainContent.classList.remove('animate-fadeInUp');
-            void mainContent.offsetWidth; // Force reflow to restart animation
-            mainContent.classList.add('animate-fadeInUp');
+        // Global page fade-in animation - only on full boosted navigations
+        if (event.detail.boosted) {
+            const mainContent = document.getElementById('main-content');
+            if (mainContent) {
+                mainContent.classList.remove('animate-fadeInUp');
+                void mainContent.offsetWidth; // Force reflow to restart animation
+                mainContent.classList.add('animate-fadeInUp');
+            }
+            animateGridItems();
         }
 
         // If the settled element is the posts-container or contains grid items
@@ -33,10 +36,5 @@ document.addEventListener('DOMContentLoaded', () => {
         if (target.id === 'posts-container' || target.querySelector('.post-grid-item')) {
             animateGridItems(target);
         }
-
-        // Handle global boost re-animation
-        if (event.detail.boosted) {
-             animateGridItems();
-        }
     });
 });