diff --git a/lib/presentation/auth/auth_screen.dart b/lib/presentation/auth/auth_screen.dart
index 06ac2cb..964fb52 100644
--- a/lib/presentation/auth/auth_screen.dart
+++ b/lib/presentation/auth/auth_screen.dart
@@ -27,16 +27,16 @@ class _AuthScreenState extends State<AuthScreen>
       context: context,
       builder: (context) => AlertDialog(
         shape: RoundedRectangleBorder(
-          borderRadius: BorderRadius.circular(10.0),
+          borderRadius: BorderRadius.circular(10.sp), // Responsive radius
         ),
-        contentPadding: EdgeInsets.all(25.0),
+        contentPadding: EdgeInsets.all(25.sp), // Responsive padding
         title: Text(
           'Confirm Exit',
-          style: TextStyle(fontSize: 25, color: kYellow),
+          style: TextStyle(fontSize: 25.sp, color: kYellow), // Responsive font
         ),
         content: Text(
           'Do you really want to exit?',
-          style: TextStyle(fontSize: 18, color: kBlack),
+          style: TextStyle(fontSize: 18.sp, color: kBlack), // Responsive font
         ),
         actions: <Widget>[
           HikeButton(
@@ -58,16 +58,10 @@ class _AuthScreenState extends State<AuthScreen>
 
   PageController _pageController = PageController();
 
-  Color leftColor = Colors.white;
-  Color rightColor = Colors.black;
-
   int _currentPage = 0;
 
   @override
   Widget build(BuildContext context) {
-    print(
-      "_currentPage: $_currentPage",
-    );
     Size screensize = MediaQuery.of(context).size;
 
     return PopScope(
@@ -94,12 +88,12 @@ class _AuthScreenState extends State<AuthScreen>
               context.read<AuthCubit>().navigate();
             } else if (state is AuthErrorState) {
               utils.showSnackBar(state.error!, context,
-                  duration: Duration(seconds: 2));
+                  duration: const Duration(seconds: 2));
             }
           },
           builder: (context, state) {
             return state is AuthLoadingState
-                ? LoadingScreen()
+                ? const LoadingScreen()
                 : Scaffold(
                     resizeToAvoidBottomInset: true,
                     body: SafeArea(
@@ -205,21 +199,20 @@ class _AuthScreenState extends State<AuthScreen>
                         loginPasswordController.text.trim(),
                       );
                     } else {
-                      utils.showSnackBar(
-                          'Please complete all the fields', context);
+                      utils.showSnackBar('Please complete all the fields', context);
                     }
                   },
                   style: ElevatedButton.styleFrom(
                       backgroundColor: Colors.teal,
                       shape: RoundedRectangleBorder(
-                        borderRadius: BorderRadius.circular(14),
+                        borderRadius: BorderRadius.circular(14.sp), // Responsive radius
                       ),
                       minimumSize: Size(screensize.width - 70, 45)),
-                  child: const Text(
+                  child: Text(
                     'Continue with Email',
                     style: TextStyle(
                       color: Colors.black,
-                      fontSize: 16,
+                      fontSize: 16.sp, // Responsive font
                     ),
                   ),
                 );
@@ -280,7 +273,7 @@ class _AuthScreenState extends State<AuthScreen>
               height: 1.2.h,
             ),
             Container(
-                decoration: BoxDecoration(
+                decoration: const BoxDecoration( // Add const
                   borderRadius: BorderRadius.all(Radius.circular(5.0)),
                 ),
                 child: BlocBuilder<AuthCubit, AuthState>(
@@ -293,21 +286,20 @@ class _AuthScreenState extends State<AuthScreen>
                               signUpEmailController.text.trim(),
                               signUpPasswordController.text.trim());
                         } else {
-                          utils.showSnackBar(
-                              'Please complete all the fields', context);
+                          utils.showSnackBar('Please complete all the fields', context);
                         }
                       },
                       style: ElevatedButton.styleFrom(
                           backgroundColor: Colors.teal,
                           shape: RoundedRectangleBorder(
-                            borderRadius: BorderRadius.circular(14),
+                            borderRadius: BorderRadius.circular(14.sp), // Responsive radius
                           ),
                           minimumSize: Size(screensize.width - 70, 45)),
-                      child: const Text(
+                      child: Text(
                         'Continue with Email',
                         style: TextStyle(
                           color: Colors.black,
-                          fontSize: 16,
+                          fontSize: 16.sp, // Responsive font
                         ),
                       ),
                     );
@@ -332,7 +324,7 @@ class _AuthScreenState extends State<AuthScreen>
                   : 'Already have an account?',
               style: TextStyle(
                 color: Colors.grey,
-                fontSize: 14,
+                fontSize: 14.sp, // Responsive font
               ),
             ),
             TextButton(
@@ -350,9 +342,9 @@ class _AuthScreenState extends State<AuthScreen>
               child: Text(
                 _currentPage == 0 ? 'Sign up' : 'Sign in',
                 style: TextStyle(
-                  color: Color(0xFF6A1B9A),
+                  color: const Color(0xFF6A1B9A),
                   fontWeight: FontWeight.bold,
-                  fontSize: 14,
+                  fontSize: 14.sp, // Responsive font
                 ),
               ),
             ),
@@ -362,24 +354,24 @@ class _AuthScreenState extends State<AuthScreen>
         SizedBox(
           width: 200,
           child: Row(
-            children: const [
-              Expanded(
+            children: [
+              const Expanded( // Add const
                 child: Divider(
                   color: Colors.grey,
                   thickness: 1,
                 ),
               ),
               Padding(
-                padding: EdgeInsets.symmetric(horizontal: 8.0),
+                padding: EdgeInsets.symmetric(horizontal: 8.sp), // Responsive padding
                 child: Text(
                   'or',
                   style: TextStyle(
                     color: Colors.grey,
-                    fontSize: 14,
+                    fontSize: 14.sp, // Responsive font
                   ),
                 ),
               ),
-              Expanded(
+              const Expanded( // Add const
                 child: Divider(
                   color: Colors.grey,
                   thickness: 1,
@@ -410,4 +402,4 @@ class _AuthScreenState extends State<AuthScreen>
       ],
     );
   }
-}
+}
\ No newline at end of file
diff --git a/lib/presentation/auth/verification_cubit/verification_cubit.dart b/lib/presentation/auth/verification_cubit/verification_cubit.dart
index 08d1b97..bc55cef 100644
--- a/lib/presentation/auth/verification_cubit/verification_cubit.dart
+++ b/lib/presentation/auth/verification_cubit/verification_cubit.dart
@@ -5,27 +5,29 @@ import 'package:beacon/presentation/auth/verification_cubit/verification_state.d
 import 'package:flutter_bloc/flutter_bloc.dart';
 
 class VerificationCubit extends Cubit<OTPVerificationState> {
-  AuthUseCase _authUseCase;
+  final AuthUseCase _authUseCase;
+
   VerificationCubit(this._authUseCase) : super(InitialOTPState());
 
-  emitVerificationSentstate(String otp) {
+  void emitVerificationSentState(String otp) {
     emit(OTPSentState(otp: otp));
   }
 
-  _clear() async {
+  Future<void> _clearStoredOTPData() async {
     await sp.deleteData('time');
     await sp.deleteData('otp');
   }
 
   Future<void> sendEmailVerification() async {
     emit(OTPSendingState());
+
     final dataState = await _authUseCase.sendVerificationCode();
 
-    if (dataState is DataSuccess && dataState.data != null) {
+    if (dataState is DataSuccess<String> && dataState.data != null) {
       await sp.init();
       await sp.saveData('time', DateTime.now().toIso8601String());
       await sp.saveData('otp', dataState.data!);
-      emit(OTPSentState(otp: dataState.data));
+      emit(OTPSentState(otp: dataState.data!));
     } else {
       emit(OTPFailureState());
     }
@@ -36,10 +38,10 @@ class VerificationCubit extends Cubit<OTPVerificationState> {
 
     final dataState = await _authUseCase.completeVerification();
 
-    if (dataState is DataSuccess && dataState.data != null) {
-      _clear();
+    if (dataState is DataSuccess<bool> && dataState.data == true) {
+      await _clearStoredOTPData();
       appRouter.replaceNamed('/home');
-    } else if (dataState is DataFailed) {
+    } else {
       emit(OTPFailureState());
     }
   }
diff --git a/lib/presentation/auth/verification_cubit/verification_state.dart b/lib/presentation/auth/verification_cubit/verification_state.dart
index 18c1ef9..f986b75 100644
--- a/lib/presentation/auth/verification_cubit/verification_state.dart
+++ b/lib/presentation/auth/verification_cubit/verification_state.dart
@@ -4,10 +4,10 @@ part 'verification_state.freezed.dart';
 
 @freezed
 class OTPVerificationState with _$OTPVerificationState {
-  factory OTPVerificationState.initial() = InitialOTPState;
-  factory OTPVerificationState.otpSending() = OTPSendingState;
-  factory OTPVerificationState.otpSent({String? otp}) = OTPSentState;
-  factory OTPVerificationState.otpVerifying() = OTPVerifyingState;
-  factory OTPVerificationState.otpVerified() = OTPVerifiedState;
-  factory OTPVerificationState.failure() = OTPFailureState;
+  const factory OTPVerificationState.initial() = InitialOTPState;
+  const factory OTPVerificationState.otpSending() = OTPSendingState;
+  const factory OTPVerificationState.otpSent({String? otp}) = OTPSentState;
+  const factory OTPVerificationState.otpVerifying() = OTPVerifyingState;
+  const factory OTPVerificationState.otpVerified() = OTPVerifiedState;
+  const factory OTPVerificationState.failure({String? errorMessage}) = OTPFailureState;
 }
diff --git a/lib/presentation/auth/verification_cubit/verification_state.freezed.dart b/lib/presentation/auth/verification_cubit/verification_state.freezed.dart
index 688d823..1667fdb 100644
--- a/lib/presentation/auth/verification_cubit/verification_state.freezed.dart
+++ b/lib/presentation/auth/verification_cubit/verification_state.freezed.dart
@@ -96,21 +96,19 @@ class _$OTPVerificationStateCopyWithImpl<$Res,
   // ignore: unused_field
   final $Val _value;
   // ignore: unused_field
-  final $Res Function($Val) _then;
-}
-
+  final $Res Function(<span class="math-inline">Val\) \_then;
+\}
 /// @nodoc
-abstract class _$$InitialOTPStateImplCopyWith<$Res> {
-  factory _$$InitialOTPStateImplCopyWith(_$InitialOTPStateImpl value,
+abstract class \_</span>$InitialOTPStateImplCopyWith<<span class="math-inline">Res\> \{
+factory \_</span>$InitialOTPStateImplCopyWith(_$InitialOTPStateImpl value,
           $Res Function(_$InitialOTPStateImpl) then) =
-      __$$InitialOTPStateImplCopyWithImpl<$Res>;
-}
-
+      __$$InitialOTPStateImplCopyWithImpl<<span class="math-inline">Res\>;
+\}
 /// @nodoc
-class __$$InitialOTPStateImplCopyWithImpl<$Res>
+class \_\_</span>$InitialOTPStateImplCopyWithImpl<$Res>
     extends _$OTPVerificationStateCopyWithImpl<$Res, _$InitialOTPStateImpl>
-    implements _$$InitialOTPStateImplCopyWith<$Res> {
-  __$$InitialOTPStateImplCopyWithImpl(
+    implements _$$InitialOTPStateImplCopyWith<<span class="math-inline">Res\> \{
+\_\_</span>$InitialOTPStateImplCopyWithImpl(
       _$InitialOTPStateImpl _value, $Res Function(_$InitialOTPStateImpl) _then)
       : super(_value, _then);
 }
@@ -118,7 +116,7 @@ class __$$InitialOTPStateImplCopyWithImpl<$Res>
 /// @nodoc
 
 class _$InitialOTPStateImpl implements InitialOTPState {
-  _$InitialOTPStateImpl();
+  const _$InitialOTPStateImpl();
 
   @override
   String toString() {
@@ -222,21 +220,20 @@ class _$InitialOTPStateImpl implements InitialOTPState {
 }
 
 abstract class InitialOTPState implements OTPVerificationState {
-  factory InitialOTPState() = _$InitialOTPStateImpl;
+  const factory InitialOTPState() = _$InitialOTPStateImpl;
 }
 
 /// @nodoc
-abstract class _$$OTPSendingStateImplCopyWith<$Res> {
-  factory _$$OTPSendingStateImplCopyWith(_$OTPSendingStateImpl value,
+abstract class _$$OTPSendingStateImplCopyWith<<span class="math-inline">Res\> \{
+factory \_</span>$OTPSendingStateImplCopyWith(_$OTPSendingStateImpl value,
           $Res Function(_$OTPSendingStateImpl) then) =
-      __$$OTPSendingStateImplCopyWithImpl<$Res>;
-}
-
+      __$$OTPSendingStateImplCopyWithImpl<<span class="math-inline">Res\>;
+\}
 /// @nodoc
-class __$$OTPSendingStateImplCopyWithImpl<$Res>
+class \_\_</span>$OTPSendingStateImplCopyWithImpl<$Res>
     extends _$OTPVerificationStateCopyWithImpl<$Res, _$OTPSendingStateImpl>
-    implements _$$OTPSendingStateImplCopyWith<$Res> {
-  __$$OTPSendingStateImplCopyWithImpl(
+    implements _$$OTPSendingStateImplCopyWith<<span class="math-inline">Res\> \{
+\_\_</span>$OTPSendingStateImplCopyWithImpl(
       _$OTPSendingStateImpl _value, $Res Function(_$OTPSendingStateImpl) _then)
       : super(_value, _then);
 }
@@ -244,7 +241,7 @@ class __$$OTPSendingStateImplCopyWithImpl<$Res>
 /// @nodoc
 
 class _$OTPSendingStateImpl implements OTPSendingState {
-  _$OTPSendingStateImpl();
+  const _$OTPSendingStateImpl();
 
   @override
   String toString() {
@@ -348,23 +345,22 @@ class _$OTPSendingStateImpl implements OTPSendingState {
 }
 
 abstract class OTPSendingState implements OTPVerificationState {
-  factory OTPSendingState() = _$OTPSendingStateImpl;
+  const factory OTPSendingState() = _$OTPSendingStateImpl;
 }
 
 /// @nodoc
-abstract class _$$OTPSentStateImplCopyWith<$Res> {
-  factory _$$OTPSentStateImplCopyWith(
+abstract class _$$OTPSentStateImplCopyWith<<span class="math-inline">Res\> \{
+factory \_</span>$OTPSentStateImplCopyWith(
           _$OTPSentStateImpl value, $Res Function(_$OTPSentStateImpl) then) =
       __$$OTPSentStateImplCopyWithImpl<$Res>;
   @useResult
-  $Res call({String? otp});
-}
-
+  <span class="math-inline">Res call\(\{String? otp\}\);
+\}
 /// @nodoc
-class __$$OTPSentStateImplCopyWithImpl<$Res>
+class \_\_</span>$OTPSentStateImplCopyWithImpl<$Res>
     extends _$OTPVerificationStateCopyWithImpl<$Res, _$OTPSentStateImpl>
-    implements _$$OTPSentStateImplCopyWith<$Res> {
-  __$$OTPSentStateImplCopyWithImpl(
+    implements _$$OTPSentStateImplCopyWith<<span class="math-inline">Res\> \{
+\_\_</span>$OTPSentStateImplCopyWithImpl(
       _$OTPSentStateImpl _value, $Res Function(_$OTPSentStateImpl) _then)
       : super(_value, _then);
 
@@ -385,7 +381,7 @@ class __$$OTPSentStateImplCopyWithImpl<$Res>
 /// @nodoc
 
 class _$OTPSentStateImpl implements OTPSentState {
-  _$OTPSentStateImpl({this.otp});
+  const _$OTPSentStateImpl({this.otp});
 
   @override
   final String? otp;
@@ -500,7 +496,7 @@ class _$OTPSentStateImpl implements OTPSentState {
 }
 
 abstract class OTPSentState implements OTPVerificationState {
-  factory OTPSentState({final String? otp}) = _$OTPSentStateImpl;
+  const factory OTPSentState({final String? otp}) = _$OTPSentStateImpl;
 
   String? get otp;
   @JsonKey(ignore: true)
@@ -509,17 +505,16 @@ abstract class OTPSentState implements OTPVerificationState {
 }
 
 /// @nodoc
-abstract class _$$OTPVerifyingStateImplCopyWith<$Res> {
-  factory _$$OTPVerifyingStateImplCopyWith(_$OTPVerifyingStateImpl value,
+abstract class _$$OTPVerifyingStateImplCopyWith<<span class="math-inline">Res\> \{
+factory \_</span>$OTPVerifyingStateImplCopyWith(_$OTPVerifyingStateImpl value,
           $Res Function(_$OTPVerifyingStateImpl) then) =
-      __$$OTPVerifyingStateImplCopyWithImpl<$Res>;
-}
-
+      __$$OTPVerifyingStateImplCopyWithImpl<<span class="math-inline">Res\>;
+\}
 /// @nodoc
-class __$$OTPVerifyingStateImplCopyWithImpl<$Res>
+class \_\_</span>$OTPVerifyingStateImplCopyWithImpl<$Res>
     extends _$OTPVerificationStateCopyWithImpl<$Res, _$OTPVerifyingStateImpl>
-    implements _$$OTPVerifyingStateImplCopyWith<$Res> {
-  __$$OTPVerifyingStateImplCopyWithImpl(_$OTPVerifyingStateImpl _value,
+    implements _$$OTPVerifyingStateImplCopyWith<<span class="math-inline">Res\> \{
+\_\_</span>$OTPVerifyingStateImplCopyWithImpl(_$OTPVerifyingStateImpl _value,
       $Res Function(_$OTPVerifyingStateImpl) _then)
       : super(_value, _then);
 }
@@ -527,7 +522,7 @@ class __$$OTPVerifyingStateImplCopyWithImpl<$Res>
 /// @nodoc
 
 class _$OTPVerifyingStateImpl implements OTPVerifyingState {
-  _$OTPVerifyingStateImpl();
+  const _$OTPVerifyingStateImpl();
 
   @override
   String toString() {
@@ -631,21 +626,20 @@ class _$OTPVerifyingStateImpl implements OTPVerifyingState {
 }
 
 abstract class OTPVerifyingState implements OTPVerificationState {
-  factory OTPVerifyingState() = _$OTPVerifyingStateImpl;
+  const factory OTPVerifyingState() = _$OTPVerifyingStateImpl;
 }
 
 /// @nodoc
-abstract class _$$OTPVerifiedStateImplCopyWith<$Res> {
-  factory _$$OTPVerifiedStateImplCopyWith(_$OTPVerifiedStateImpl value,
+abstract class _$$OTPVerifiedStateImplCopyWith<<span class="math-inline">Res\> \{
+factory \_</span>$OTPVerifiedStateImplCopyWith(_$OTPVerifiedStateImpl value,
           $Res Function(_$OTPVerifiedStateImpl) then) =
-      __$$OTPVerifiedStateImplCopyWithImpl<$Res>;
-}
-
+      __$$OTPVerifiedStateImplCopyWithImpl<<span class="math-inline">Res\>;
+\}
 /// @nodoc
-class __$$OTPVerifiedStateImplCopyWithImpl<$Res>
+class \_\_</span>$OTPVerifiedStateImplCopyWithImpl<$Res>
     extends _$OTPVerificationStateCopyWithImpl<$Res, _$OTPVerifiedStateImpl>
-    implements _$$OTPVerifiedStateImplCopyWith<$Res> {
-  __$$OTPVerifiedStateImplCopyWithImpl(_$OTPVerifiedStateImpl _value,
+    implements _$$OTPVerifiedStateImplCopyWith<<span class="math-inline">Res\> \{
+\_\_</span>$OTPVerifiedStateImplCopyWithImpl(_$OTPVerifiedStateImpl _value,
       $Res Function(_$OTPVerifiedStateImpl) _then)
       : super(_value, _then);
 }
@@ -653,7 +647,7 @@ class __$$OTPVerifiedStateImplCopyWithImpl<$Res>
 /// @nodoc
 
 class _$OTPVerifiedStateImpl implements OTPVerifiedState {
-  _$OTPVerifiedStateImpl();
+  const _$OTPVerifiedStateImpl();
 
   @override
   String toString() {
@@ -757,7 +751,7 @@ class _$OTPVerifiedStateImpl implements OTPVerifiedState {
 }
 
 abstract class OTPVerifiedState implements OTPVerificationState {
-  factory OTPVerifiedState() = _$OTPVerifiedStateImpl;
+  const factory OTPVerifiedState() = _$OTPVerifiedStateImpl;
 }
 
 /// @nodoc
@@ -771,15 +765,15 @@ abstract class _$$OTPFailureStateImplCopyWith<$Res> {
 class __$$OTPFailureStateImplCopyWithImpl<$Res>
     extends _$OTPVerificationStateCopyWithImpl<$Res, _$OTPFailureStateImpl>
     implements _$$OTPFailureStateImplCopyWith<$Res> {
-  __$$OTPFailureStateImplCopyWithImpl(
-      _$OTPFailureStateImpl _value, $Res Function(_$OTPFailureStateImpl) _then)
+  __$$OTPFailureStateImplCopyWithImpl(_$OTPFailureStateImpl _value,
+      $Res Function(_$OTPFailureStateImpl) _then)
       : super(_value, _then);
 }
 
 /// @nodoc
 
 class _$OTPFailureStateImpl implements OTPFailureState {
-  _$OTPFailureStateImpl();
+  const _$OTPFailureStateImpl();
 
   @override
   String toString() {
@@ -883,5 +877,5 @@ class _$OTPFailureStateImpl implements OTPFailureState {
 }
 
 abstract class OTPFailureState implements OTPVerificationState {
-  factory OTPFailureState() = _$OTPFailureStateImpl;
-}
+  const factory OTPFailureState() = _$OTPFailureStateImpl;
+}
\ No newline at end of file