DISABLE login animation completely + force cache bust

- Completely commented out all animation CSS for .tt-login-container
- Updated service worker VERSION to force cache invalidation
- This should immediately fix the zoom/growth effect on login page refresh

static/css/design-system.css

@@ -699,9 +699,10 @@ a:focus {
     padding: var(--space-8);
     width: 100%;
     max-width: 420px;
-    animation: tt-slideIn 0.6s ease-out;
-    animation-fill-mode: both;
-    animation-iteration-count: 1;
+    /* Animation disabled to prevent zoom/growth effect */
+    /* animation: tt-slideIn 0.6s ease-out; */
+    /* animation-fill-mode: both; */
+    /* animation-iteration-count: 1; */
 }
 
 @keyframes tt-slideIn {

static/sw.js

@@ -1,5 +1,5 @@
 // TreeTrack Service Worker - PWA and Offline Support
-const VERSION = 1754653904; // Dynamic versioning
+const VERSION = 1734825737; // Cache busting - updated for login animation fix
 const CACHE_NAME = `treetrack-v${VERSION}`;
 const STATIC_CACHE = `static-v${VERSION}`;
 const API_CACHE = `api-v${VERSION}`;