Fix animation inconsistencies on pages with loading spinners

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

@@ -60,7 +60,7 @@ export default function AICoachDashboard() {
 
   if (!hasAccessTo("ai-mistake-tracking")) {
     return (
-      <div className="max-w-3xl mx-auto text-center py-20 px-8 space-y-8 animate-in fade-in zoom-in-95 slide-in-from-bottom-4 duration-500">
+      <div className="max-w-3xl mx-auto text-center py-20 px-8 space-y-8">
         <div className="size-20 rounded-full bg-[var(--cyan-ai-10)] flex items-center justify-center mx-auto text-[var(--cyan-ai)] border border-[var(--cyan-ai-20)] shadow-[0_0_20px_rgba(12,96,96,0.1)]">
           <BrainCircuit size={40} />
         </div>
@@ -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">
 
       {/* ── METRICS BAR ── */}
       <div className="flex flex-wrap items-center justify-end gap-2 pt-2">