Change animation to pure zoom with top origin to prevent sliding illusion on tall pages

src/app/dashboard/ai-coach/page.tsx

@@ -89,7 +89,7 @@ export default function AICoachDashboard() {
   const currentStreakDays = `${user?.streak_count || (isDemo ? 12 : 1)} d`
 
   return (
-    <div className="p-6 max-w-6xl mx-auto space-y-8 animate-in fade-in zoom-in-95 slide-in-from-bottom-4 duration-500">
+    <div className="p-6 max-w-6xl mx-auto space-y-8 animate-in fade-in zoom-in-95 origin-top duration-500">
 
       {/* ── METRICS BAR ── */}
       <div className="flex flex-wrap items-center justify-end gap-2 pt-2">