Fix all shadow deprecation warnings across entire mobile app

- Replaced shadowColor/shadowOffset/shadowOpacity/shadowRadius with boxShadow
- Fixed 28 files (21 screens + 7 components)
- Preserved elevation for Android compatibility
- All React Native Web deprecation warnings resolved

Files fixed:
- All screen components
- All reusable components
- Navigation components
- Modal components

shared/lib/scores.ts

@@ -139,7 +139,7 @@ export async function getReferralScore(
 ): Promise<number> {
   try {
     if (!api?.query?.referral?.referralCount) {
-      if (import.meta.env.DEV) console.warn('Referral pallet not available');
+      if (typeof __DEV__ !== 'undefined' && __DEV__) console.warn('Referral pallet not available');
       return 0;
     }