feat: Update login page theme colors and add i18n support

- Changed login page gradient from blue to match dark theme colors
- Updated ripple effects to use theme primary color
- Added i18n translation keys for login page (auth.tagline, auth.description, auth.welcomeBack, auth.createAccount, auth.continueExternal)
- Updated all language files (en, zh, de, ru, pt-BR) with new translations
- Fixed TypeScript compilation issues by clearing build cache

src/ui/desktop/navigation/TOTPDialog.tsx

@@ -25,12 +25,12 @@ export function TOTPDialog({
   if (!isOpen) return null;
 
   return (
-    <div className="absolute inset-0 flex items-center justify-center z-50">
+    <div className="absolute inset-0 flex items-center justify-center z-50 animate-in fade-in duration-200">
       <div
         className="absolute inset-0 bg-dark-bg rounded-md"
         style={{ backgroundColor: backgroundColor || undefined }}
       />
-      <div className="bg-dark-bg border-2 border-dark-border rounded-lg p-6 max-w-md w-full mx-4 relative z-10">
+      <div className="bg-dark-bg border-2 border-dark-border rounded-lg p-6 max-w-md w-full mx-4 relative z-10 animate-in fade-in zoom-in-95 duration-200">
         <div className="mb-4 flex items-center gap-2">
           <Shield className="w-5 h-5 text-primary" />
           <h3 className="text-lg font-semibold">