diff --git a/lib/config/theme_data.dart b/lib/config/theme_data.dart
index b1a3388..632cf90 100644
--- a/lib/config/theme_data.dart
+++ b/lib/config/theme_data.dart
@@ -1,10 +1,10 @@
 import 'package:flutter/material.dart';
 
 class LightThemeConfig {
-  static const Color _primary = Color(0XFF007EA7);
-  static const Color _white = Color(0XFFFFFFFF);
-  static const Color _black = Color(0XFF292929);
-  static const Color _background = Color(0XFFF8F8FA);
+  static const Color _primary = Color(0xFF007EA7);
+  static const Color _white = Color(0xFFFFFFFF);
+  static const Color _black = Color(0xFF292929);
+  static const Color _background = Color(0xFFF8F8FA);
 
   static final ThemeData themeData = ThemeData(
     backgroundColor: _background,
@@ -28,11 +28,11 @@ class LightThemeConfig {
   static const ColorScheme _colorScheme = ColorScheme(
     primary: _primary,
     primaryVariant: _white,
-    secondary: Color(0XFFD61515),
+    secondary: Color(0xFFD61515),
     secondaryVariant: _white,
     surface: _white,
     background: _background,
-    error: Color(0XFFF00505),
+    error: Color(0xFFF00505),
     onPrimary: _white,
     onSecondary: _white,
     onSurface: _black,
@@ -72,9 +72,9 @@ class LightThemeConfig {
 }
 
 class DarkThemeConfig {
-  static const Color _primary = Color(0XFF007EA7);
-  static const Color _white = Color(0XFFFFFFFF);
-  static const Color _background = Color(0XFF202224);
+  static const Color _primary = Color(0xFF007EA7);
+  static const Color _white = Color(0xFFFFFFFF);
+  static const Color _background = Color(0xFF202224);
 
   static final ThemeData themeData = ThemeData(
     backgroundColor: _background,
@@ -101,11 +101,11 @@ class DarkThemeConfig {
   static const ColorScheme _colorScheme = ColorScheme(
     primary: _primary,
     primaryVariant: _white,
-    secondary: Color(0XFFE53939),
+    secondary: Color(0xFFE53939),
     secondaryVariant: _white,
-    surface: Color(0XFF181B1F),
+    surface: Color(0xFF181B1F),
     background: _background,
-    error: Color(0XFFF53B3B),
+    error: Color(0xFFF53B3B),
     onPrimary: _white,
     onSecondary: _white,
     onSurface: text,
@@ -144,78 +144,81 @@ class DarkThemeConfig {
   );
 
   // Grey colors
-  static const Color white = Color(0XFFFFFFFF);
-  static const Color title = Color(0XFFF5F5F5);
-  static const Color text = Color(0XFFD6D6D6);
-  static const Color hint = Color(0XFFBBBBBB);
-  static const Color border = Color(0XFF666666);
+  static const Color white = Color(0xFFFFFFFF);
+  static const Color title = Color(0xFFF5F5F5);
+  static const Color text = Color(0xFFD6D6D6);
+  static const Color hint = Color(0xFFBBBBBB);
+  static const Color border = Color(0xFF666666);
 
   // Error and success
-  static const Color errorLight = Color(0XFFF0C9CD);
-  static const Color error = Color(0XFFF53B3B);
-  static const Color successLight = Color(0XFFBBD6B4);
-  static const Color success = Color(0XFF32A64C);
+  static const Color errorLight = Color(0xFFF0C9CD);
+  static const Color error = Color(0xFFF53B3B);
+  static const Color successLight = Color(0xFFBBD6B4);
+  static const Color success = Color(0xFF32A64C);
 }
 
 extension DidvanColorScheme on ColorScheme {
   // Secondary colors
   Color get secondaryDisabled => brightness == Brightness.dark
-      ? const Color(0XFF703838)
-      : const Color(0XFFFFC8C8);
+      ? const Color(0xFF703838)
+      : const Color(0xFFFFC8C8);
 
-  Color get white => const Color(0XFFFFFFFF);
+  Color get white => const Color(0xFFFFFFFF);
   Color get focused => brightness == Brightness.dark
-      ? const Color(0XFF323C47)
-      : const Color(0XFFE6F3FA);
+      ? const Color(0xFF323C47)
+      : const Color(0xFFE6F3FA);
   Color get navigation => brightness == Brightness.dark
-      ? const Color(0XFF181B1F)
-      : const Color(0XFF012348);
+      ? const Color(0xFF181B1F)
+      : const Color(0xFF012348);
   Color get focusedBorder => brightness == Brightness.dark
-      ? const Color(0XFFC8E0F4)
-      : const Color(0XFF195D80);
+      ? const Color(0xFFC8E0F4)
+      : const Color(0xFF195D80);
   Color get title => brightness == Brightness.dark
-      ? const Color(0XFFD6D6D6)
-      : const Color(0XFF1B3C59);
+      ? const Color(0xFFD6D6D6)
+      : const Color(0xFF1B3C59);
   Color get text => brightness == Brightness.dark
-      ? const Color(0XFFD6D6D6)
-      : const Color(0XFF292929);
+      ? const Color(0xFFD6D6D6)
+      : const Color(0xFF292929);
   Color get inputText => brightness == Brightness.dark
-      ? const Color(0XFFA3A3A3)
-      : const Color(0XFF3D3D3D);
+      ? const Color(0xFFA3A3A3)
+      : const Color(0xFF3D3D3D);
   Color get caption => brightness == Brightness.dark
-      ? const Color(0XFFBBBBBB)
-      : const Color(0XFF666666);
-  Color get hint => const Color(0XFFBBBBBB);
+      ? const Color(0xFFBBBBBB)
+      : const Color(0xFF666666);
+  Color get hint => const Color(0xFFBBBBBB);
   Color get disabledText => brightness == Brightness.dark
-      ? const Color(0XFF666666)
-      : const Color(0XFFE0E0E0);
+      ? const Color(0xFF666666)
+      : const Color(0xFFE0E0E0);
   Color get border => brightness == Brightness.dark
-      ? const Color(0XFF666666)
-      : const Color(0XFFE0E0E0);
+      ? const Color(0xFF666666)
+      : const Color(0xFFE0E0E0);
   Color get cardBorder => brightness == Brightness.dark
-      ? const Color(0XFF666666)
-      : const Color(0XFFEBEBEB);
+      ? const Color(0xFF666666)
+      : const Color(0xFFEBEBEB);
   Color get disabledBackground => brightness == Brightness.dark
-      ? const Color(0XFF1F1F1F)
-      : const Color(0XFFE0E0E0);
+      ? const Color(0xFF1F1F1F)
+      : const Color(0xFFE0E0E0);
   Color get secondCTA => brightness == Brightness.dark
-      ? const Color(0XFF474747)
-      : const Color(0XFFF5F5F5);
+      ? const Color(0xFF474747)
+      : const Color(0xFFF5F5F5);
   Color get splash => brightness == Brightness.dark
-      ? const Color(0XFF333333)
-      : const Color(0XFFC8E0F4);
+      ? const Color(0xFF333333)
+      : const Color(0xFFC8E0F4);
   Color get black => brightness == Brightness.dark
-      ? const Color(0XFF1F1F1F)
-      : const Color(0XFF292929);
+      ? const Color(0xFF1F1F1F)
+      : const Color(0xFF292929);
+  Color get overlay => brightness == Brightness.dark
+      ? const Color(0xFF0F1011)
+      : const Color(0xFF292929);
 
   // Error and success colors
   Color get errorLight => brightness == Brightness.dark
-      ? const Color(0XFFF0C9CD)
-      : const Color(0XFFFFF8F8);
+      ? const Color(0xFFF0C9CD)
+      : const Color(0xFFFFF8F8);
   Color get successLight => brightness == Brightness.dark
-      ? const Color(0XFFBBD6B4)
-      : const Color(0XFFF5FFFC);
+      ? const Color(0xFFBBD6B4)
+      : const Color(0xFFF5FFFC);
   Color get success => brightness == Brightness.dark
-      ? const Color(0XFF32A64C)
-      : const Color(0XFF2BB24A);
+      ? const Color(0xFF32A64C)
+      : const Color(0xFF2BB24A);
 }
diff --git a/lib/models/enums.dart b/lib/models/enums.dart
index 247826c..1859789 100644
--- a/lib/models/enums.dart
+++ b/lib/models/enums.dart
@@ -1,6 +1,7 @@
 enum AppState {
   idle,
   busy,
+  isolatedBusy,
   failed,
 }
 
diff --git a/lib/models/view/alert_data.dart b/lib/models/view/alert_data.dart
new file mode 100644
index 0000000..88d5571
--- /dev/null
+++ b/lib/models/view/alert_data.dart
@@ -0,0 +1,5 @@
+class AlertData {
+  final String message;
+
+  AlertData({required this.message});
+}
diff --git a/lib/pages/authentication/authentication.dart b/lib/pages/authentication/authentication.dart
index 0f8209e..6c98ca8 100644
--- a/lib/pages/authentication/authentication.dart
+++ b/lib/pages/authentication/authentication.dart
@@ -1,7 +1,7 @@
 import 'package:didvan/config/design_config.dart';
 import 'package:didvan/pages/authentication/authentication_state.dart';
 import 'package:didvan/pages/authentication/screens/password.dart';
-import 'package:didvan/pages/authentication/screens/phone_number.dart';
+import 'package:didvan/pages/authentication/screens/username.dart';
 import 'package:didvan/pages/authentication/screens/reset_password.dart';
 import 'package:didvan/pages/authentication/screens/verification.dart';
 import 'package:flutter/material.dart';
@@ -16,7 +16,7 @@ class Authentication extends StatefulWidget {
 
 class _AuthenticationState extends State<Authentication> {
   final List<Widget> _pages = const [
-    PhoneNumberInput(),
+    UsernameInput(),
     PasswordInput(),
     Verification(),
     ResetPassword(),
@@ -26,9 +26,18 @@ class _AuthenticationState extends State<Authentication> {
   Widget build(BuildContext context) {
     return Scaffold(
       body: Consumer<AuthenticationState>(
-        builder: (context, state, child) => AnimatedSwitcher(
-          duration: DesignConfig.mediumAnimationDuration,
-          child: _pages[state.currentPageIndex],
+        builder: (context, state, child) => WillPopScope(
+          onWillPop: () async {
+            if (state.currentPageIndex == 0) {
+              return true;
+            }
+            state.currentPageIndex--;
+            return false;
+          },
+          child: AnimatedSwitcher(
+            duration: DesignConfig.mediumAnimationDuration,
+            child: _pages[state.currentPageIndex],
+          ),
         ),
       ),
     );
diff --git a/lib/pages/authentication/authentication_state.dart b/lib/pages/authentication/authentication_state.dart
index 395288c..d26ecc3 100644
--- a/lib/pages/authentication/authentication_state.dart
+++ b/lib/pages/authentication/authentication_state.dart
@@ -1,8 +1,13 @@
+import 'package:didvan/models/enums.dart';
+import 'package:didvan/models/view/alert_data.dart';
 import 'package:didvan/providers/core_provider.dart';
+import 'package:didvan/services/network/request.dart';
+import 'package:didvan/services/network/request_helper.dart';
+import 'package:didvan/utils/actions_sheet.dart';
 
 class AuthenticationState extends CoreProvier {
   int _currentPageIndex = 0;
-  String phoneNumber = '';
+  String username = '';
   String password = '';
   String verificationCode = '';
 
@@ -12,4 +17,38 @@ class AuthenticationState extends CoreProvier {
   }
 
   int get currentPageIndex => _currentPageIndex;
+
+  Future<void> confirmUsername() async {
+    appState = AppState.isolatedBusy;
+    final RequestService service = RequestService(
+      RequestHelper.confirmUsername,
+      useAutherization: false,
+      body: {'username': username},
+    );
+    await service.post();
+    if (service.isSuccess && service.result['confirmed']) {
+      appState = AppState.idle;
+      currentPageIndex++;
+    } else {
+      appState = AppState.failed;
+      ActionSheetUtils.showAlert(AlertData(message: service.errorMessage));
+    }
+  }
+
+  Future<String?> login() async {
+    appState = AppState.isolatedBusy;
+    final RequestService service = RequestService(
+      RequestHelper.login,
+      useAutherization: false,
+      body: {'username': username, "password": password},
+    );
+    await service.post();
+    if (service.isSuccess && service.result['loggedIn']) {
+      appState = AppState.idle;
+      return service.result['token'];
+    } else {
+      appState = AppState.failed;
+      ActionSheetUtils.showAlert(AlertData(message: service.errorMessage));
+    }
+  }
 }
diff --git a/lib/pages/authentication/screens/password.dart b/lib/pages/authentication/screens/password.dart
index dd11163..bdd0953 100644
--- a/lib/pages/authentication/screens/password.dart
+++ b/lib/pages/authentication/screens/password.dart
@@ -1,26 +1,43 @@
 import 'package:didvan/pages/authentication/authentication_state.dart';
 import 'package:didvan/pages/authentication/widgets/authentication_layout.dart';
+import 'package:didvan/providers/user_provider.dart';
+import 'package:didvan/routes/routes.dart';
+import 'package:didvan/services/network/request.dart';
 import 'package:didvan/widgets/didvan/button.dart';
 import 'package:didvan/widgets/didvan/text.dart';
 import 'package:didvan/widgets/didvan/text_field.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
-class PasswordInput extends StatelessWidget {
+class PasswordInput extends StatefulWidget {
   const PasswordInput({Key? key}) : super(key: key);
 
+  @override
+  State<PasswordInput> createState() => _PasswordInputState();
+}
+
+class _PasswordInputState extends State<PasswordInput> {
+  final _formKey = GlobalKey<FormState>();
+
   @override
   Widget build(BuildContext context) {
     final AuthenticationState state = context.read<AuthenticationState>();
     return AuthenticationLayout(
-      appBarTitle: 'ورود با شماره موبایل ' + state.phoneNumber,
+      appBarTitle:
+          'ورود با ${state.username.contains('09') ? 'شماره موبایل' : 'نام کاربری'} ${state.username}',
       children: [
-        DidvanTextField(
-          onChanged: (value) => state.password = value,
-          autoFocus: true,
-          title: 'کلمه عبور',
-          hintText: 'کلمه عبور',
-          obsecureText: true,
+        Form(
+          key: _formKey,
+          child: DidvanTextField(
+            onChanged: (value) => state.password = value,
+            autoFocus: true,
+            title: 'کلمه عبور',
+            hintText: 'کلمه عبور',
+            obsecureText: true,
+            validator: (value) => value!.length < 8
+                ? 'کلمه عبور نمی‌تواند از 8 کاراکتر کمتر باشد'
+                : null,
+          ),
         ),
         const SizedBox(
           height: 32,
@@ -35,7 +52,7 @@ class PasswordInput extends StatelessWidget {
         ),
         const Spacer(),
         DidvanButton(
-          onPressed: () {},
+          onPressed: () => _onPressed(context),
           title: 'ورود',
         ),
         const SizedBox(
@@ -44,4 +61,18 @@ class PasswordInput extends StatelessWidget {
       ],
     );
   }
+
+  Future<void> _onPressed(BuildContext context) async {
+    if (!_formKey.currentState!.validate()) {
+      return;
+    }
+    final state = context.read<AuthenticationState>();
+    final token = await state.login();
+    if (token != null) {
+      final userProvider = context.read<UserProvider>();
+      await userProvider.setAndGetToken(token: token);
+      RequestService.token = token;
+      Navigator.of(context).pushReplacementNamed(Routes.home);
+    }
+  }
 }
diff --git a/lib/pages/authentication/screens/phone_number.dart b/lib/pages/authentication/screens/username.dart
similarity index 81%
rename from lib/pages/authentication/screens/phone_number.dart
rename to lib/pages/authentication/screens/username.dart
index e108de7..3c7b8e6 100644
--- a/lib/pages/authentication/screens/phone_number.dart
+++ b/lib/pages/authentication/screens/username.dart
@@ -6,8 +6,8 @@ import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
-class PhoneNumberInput extends StatelessWidget {
-  const PhoneNumberInput({
+class UsernameInput extends StatelessWidget {
+  const UsernameInput({
     Key? key,
   }) : super(key: key);
 
@@ -17,12 +17,15 @@ class PhoneNumberInput extends StatelessWidget {
     return AuthenticationLayout(
       children: [
         DidvanTextField(
-          title: 'شماره موبایل',
-          textInputType: TextInputType.phone,
-          hintText: 'شماره موبایل',
+          initialValue: state.username,
+          title: 'نام کاربری یا شماره موبایل',
+          hintText: 'نام کاربری یا شماره موبایل',
           textAlign: TextAlign.center,
+          validator: (value) => value!.length < 4
+              ? 'نام کاربری نمی‌تواند از 4 کاراکتر کوچکتر باشد'
+              : null,
           onChanged: (value) {
-            state.phoneNumber = value;
+            state.username = value;
           },
         ),
         const SizedBox(
@@ -30,9 +33,7 @@ class PhoneNumberInput extends StatelessWidget {
         ),
         DidvanButton(
           title: 'ورود',
-          onPressed: () {
-            state.currentPageIndex = 1;
-          },
+          onPressed: state.confirmUsername,
         ),
         const Spacer(),
         Padding(
diff --git a/lib/pages/authentication/screens/verification.dart b/lib/pages/authentication/screens/verification.dart
index d0d3bde..3d48f4d 100644
--- a/lib/pages/authentication/screens/verification.dart
+++ b/lib/pages/authentication/screens/verification.dart
@@ -26,7 +26,7 @@ class Verification extends StatelessWidget {
           height: 8,
         ),
         DidvanText(
-          state.phoneNumber,
+          state.username,
           style: Theme.of(context).textTheme.subtitle1,
         ),
         const SizedBox(
@@ -65,7 +65,7 @@ class Verification extends StatelessWidget {
           onPressed: () {
             state.currentPageIndex++;
           },
-          title: 'تایید',
+          title: 'ارسال مجدد کد',
         ),
         const SizedBox(
           height: 48,
diff --git a/lib/pages/authentication/widgets/authentication_layout.dart b/lib/pages/authentication/widgets/authentication_layout.dart
index 2b178e5..f15e7fe 100644
--- a/lib/pages/authentication/widgets/authentication_layout.dart
+++ b/lib/pages/authentication/widgets/authentication_layout.dart
@@ -14,7 +14,6 @@ class AuthenticationLayout extends StatelessWidget {
   Widget build(BuildContext context) {
     return SingleChildScrollView(
       padding: const EdgeInsets.symmetric(horizontal: 20),
-      physics: const NeverScrollableScrollPhysics(),
       child: SizedBox(
         height: MediaQuery.of(context).size.height,
         child: Column(
@@ -34,7 +33,9 @@ class AuthenticationLayout extends StatelessWidget {
                 right: 100,
                 bottom: 40,
               ),
-              child: DidvanVerticalLogo(),
+              child: DidvanVerticalLogo(
+                height: 200,
+              ),
             ),
             ...children,
           ],
diff --git a/lib/pages/splash/splash.dart b/lib/pages/splash/splash.dart
index b2c9677..7ab9d3d 100644
--- a/lib/pages/splash/splash.dart
+++ b/lib/pages/splash/splash.dart
@@ -1,6 +1,7 @@
 import 'package:didvan/config/design_config.dart';
 import 'package:didvan/main.dart';
 import 'package:didvan/providers/theme_provider.dart';
+import 'package:didvan/providers/user_provider.dart';
 import 'package:didvan/routes/routes.dart';
 import 'package:didvan/services/app_initalizer.dart';
 import 'package:didvan/utils/actions_sheet.dart';
@@ -36,8 +37,11 @@ class _SplashState extends State<Splash> {
         _isGettingThemeData = false;
       }),
     );
+    final String? token = await context.read<UserProvider>().setAndGetToken();
     await Future.delayed(const Duration(seconds: 2));
-    Navigator.of(context).pushReplacementNamed(Routes.home);
+    Navigator.of(context).pushReplacementNamed(
+      token == null ? Routes.authenticaion : Routes.home,
+    );
   }
 
   @override
diff --git a/lib/providers/core_provider.dart b/lib/providers/core_provider.dart
index 45ef78c..5870c8f 100644
--- a/lib/providers/core_provider.dart
+++ b/lib/providers/core_provider.dart
@@ -1,10 +1,17 @@
 import 'package:didvan/models/enums.dart';
+import 'package:didvan/utils/actions_sheet.dart';
 import 'package:flutter/cupertino.dart';
 
 class CoreProvier with ChangeNotifier {
   AppState _appState = AppState.idle;
 
   set appState(AppState newState) {
+    if (newState == AppState.isolatedBusy) {
+      ActionSheetUtils.showLogoLoadingIndicator();
+    }
+    if (_appState == AppState.isolatedBusy) {
+      ActionSheetUtils.pop();
+    }
     _appState = newState;
     notifyListeners();
   }
diff --git a/lib/providers/user_provider.dart b/lib/providers/user_provider.dart
index e3efcab..35eeb73 100644
--- a/lib/providers/user_provider.dart
+++ b/lib/providers/user_provider.dart
@@ -1,3 +1,13 @@
 import 'package:didvan/providers/core_provider.dart';
+import 'package:hive/hive.dart';
 
-class UserProvider extends CoreProvier {}
+class UserProvider extends CoreProvier {
+  Future<String?> setAndGetToken({String? token}) async {
+    final box = await Hive.openBox('autherization');
+    if (token != null) {
+      await box.put('token', token);
+    } else {
+      return box.toMap()['token'];
+    }
+  }
+}
diff --git a/lib/services/network/request.dart b/lib/services/network/request.dart
index fdc3aab..e358dcd 100644
--- a/lib/services/network/request.dart
+++ b/lib/services/network/request.dart
@@ -11,7 +11,8 @@ class RequestService {
   Map get result => _body['result'] ?? const {};
   Map get errors => _body['errors'] ?? const {};
 
-  String? errorMessage;
+  String errorMessage =
+      'خطا! لطفا اتصال اینترنت خود را بررسی و مجددا تلاش نمایید.';
 
   dynamic _body;
   final Map<String, String> _headers = {
@@ -150,7 +151,7 @@ class RequestService {
         _body = json.decode(response.body);
       }
     }
-    errorMessage = _errorMessageGenerator();
+    errorMessage = _errorMessageGenerator(response);
   }
 
   bool _handleError(http.Response? response) {
@@ -162,8 +163,8 @@ class RequestService {
       isSuccess = false;
       return false;
     }
-    if (response.statusCode != 200 && response.statusCode != 204) {
-      String data;
+    if (response.statusCode != 200) {
+      dynamic data;
       if (response.body.isEmpty) {
         data = 'No results!';
       } else if (response.body.contains('<!DOCTYPE html>')) {
@@ -182,9 +183,15 @@ class RequestService {
     return true;
   }
 
-  String _errorMessageGenerator() {
-    return isSuccess
-        ? result['msg']
-        : 'خطا! لطفا اتصال اینترنت خود را بررسی و مجددا تلاش نمایید.';
+  String _errorMessageGenerator(http.Response? response) {
+    String? error;
+    if (response != null) {
+      if (!response.body.contains('<!DOCTYPE html>')) {
+        if (result.isNotEmpty) {
+          error = result['msg'];
+        }
+      }
+    }
+    return error ?? 'خطا! لطفا اتصال اینترنت خود را بررسی و مجددا تلاش نمایید.';
   }
 }
diff --git a/lib/utils/actions_sheet.dart b/lib/utils/actions_sheet.dart
index 0ba1e37..18fc11c 100644
--- a/lib/utils/actions_sheet.dart
+++ b/lib/utils/actions_sheet.dart
@@ -1,8 +1,10 @@
+import 'package:another_flushbar/flushbar.dart';
 import 'package:didvan/config/design_config.dart';
 import 'package:didvan/config/theme_data.dart';
 import 'package:didvan/constants/assets.dart';
 import 'package:didvan/models/enums.dart';
 import 'package:didvan/models/view/action_sheet_data.dart';
+import 'package:didvan/models/view/alert_data.dart';
 import 'package:didvan/widgets/didvan/button.dart';
 import 'package:didvan/widgets/didvan/text.dart';
 import 'package:flutter/material.dart';
@@ -15,13 +17,15 @@ class ActionSheetUtils {
   static Future<void> showLogoLoadingIndicator() async {
     await showDialog(
       context: context,
-      builder: (context) => _customSystemOverlayStyle(
-        child: Padding(
-          padding: EdgeInsets.symmetric(
-            horizontal: MediaQuery.of(context).size.width / 3,
-          ),
-          child: const RiveAnimation.asset(Assets.logoLoadingAnimation),
+      builder: (context) =>
+          // _customSystemOverlayStyle(
+          //   child:
+          Padding(
+        padding: EdgeInsets.symmetric(
+          horizontal: MediaQuery.of(context).size.width / 3,
         ),
+        child: const RiveAnimation.asset(Assets.logoLoadingAnimation),
+        // ),
       ),
     );
   }
@@ -29,12 +33,29 @@ class ActionSheetUtils {
   static AnnotatedRegion _customSystemOverlayStyle({required Widget child}) {
     return AnnotatedRegion<SystemUiOverlayStyle>(
       value: DesignConfig.systemUiOverlayStyle.copyWith(
-          // systemNavigationBarColor: Colors.black45,
-          ),
+        systemNavigationBarColor: DesignConfig
+            .systemUiOverlayStyle.systemNavigationBarColor!
+            .withBlue(20),
+      ),
       child: child,
     );
   }
 
+  static Future<void> showAlert(AlertData alertData) async {
+    await Flushbar(
+      margin: const EdgeInsets.symmetric(horizontal: 16),
+      message: alertData.message,
+      backgroundColor: Theme.of(context).colorScheme.focused,
+      borderRadius: DesignConfig.mediumBorderRadius,
+      messageColor: Theme.of(context).colorScheme.text,
+      flushbarPosition: FlushbarPosition.TOP,
+      duration: const Duration(seconds: 2),
+      boxShadows: [
+        BoxShadow(color: Theme.of(context).colorScheme.cardBorder),
+      ],
+    ).show(context);
+  }
+
   static Future<void> showBottomSheet({required ActionSheetData data}) async {
     await showModalBottomSheet(
       context: context,
@@ -103,4 +124,9 @@ class ActionSheetUtils {
       ),
     );
   }
+
+  static void pop() {
+    DesignConfig.updateSystemUiOverlayStyle();
+    Navigator.of(context).pop();
+  }
 }
diff --git a/lib/widgets/didvan/button.dart b/lib/widgets/didvan/button.dart
index dff6d73..7578856 100644
--- a/lib/widgets/didvan/button.dart
+++ b/lib/widgets/didvan/button.dart
@@ -24,7 +24,10 @@ class DidvanButton extends StatelessWidget {
         ),
         height: 48,
         color: Theme.of(context).colorScheme.primary,
-        onPressed: onPressed,
+        onPressed: () {
+          FocusScope.of(context).unfocus();
+          onPressed?.call();
+        },
         child: _childBuilder(),
       ),
     );
diff --git a/lib/widgets/didvan/text_field.dart b/lib/widgets/didvan/text_field.dart
index aaed428..7ec263f 100644
--- a/lib/widgets/didvan/text_field.dart
+++ b/lib/widgets/didvan/text_field.dart
@@ -1,5 +1,7 @@
 import 'package:didvan/config/design_config.dart';
 import 'package:didvan/config/theme_data.dart';
+import 'package:didvan/constants/app_icons.dart';
+import 'package:didvan/widgets/animated_visibility.dart';
 import 'package:didvan/widgets/didvan/text.dart';
 import 'package:flutter/material.dart';
 
@@ -36,11 +38,14 @@ class _DidvanTextFieldState extends State<DidvanTextField> {
   final FocusNode _focusNode = FocusNode();
   final TextEditingController _controller = TextEditingController();
 
-  bool _hasError = false;
   bool _hideContent = false;
+  String? _error;
 
   @override
   void initState() {
+    if (widget.initialValue != null) {
+      _controller.text = widget.initialValue;
+    }
     _hideContent = widget.obsecureText;
     _focusNode.addListener(() {
       setState(() {});
@@ -57,7 +62,7 @@ class _DidvanTextFieldState extends State<DidvanTextField> {
         if (widget.title != null)
           DidvanText(
             widget.title!,
-            color: !widget.enabled ? Theme.of(context).colorScheme.hint : null,
+            color: _titleColor(),
           ),
         if (widget.title != null) const SizedBox(height: 8),
         Container(
@@ -85,6 +90,7 @@ class _DidvanTextFieldState extends State<DidvanTextField> {
               enabled: widget.enabled,
               border: InputBorder.none,
               hintText: widget.hintText,
+              errorStyle: const TextStyle(height: 0),
               hintStyle: Theme.of(context)
                   .textTheme
                   .bodyText2!
@@ -92,6 +98,24 @@ class _DidvanTextFieldState extends State<DidvanTextField> {
             ),
           ),
         ),
+        const SizedBox(height: 8),
+        AnimatedVisibility(
+            isVisible: _error != null,
+            duration: DesignConfig.lowAnimationDuration,
+            child: Row(
+              children: [
+                Icon(
+                  DidvanIcons.lightbulb_exclamation_regular,
+                  color: Theme.of(context).colorScheme.error,
+                  size: 14,
+                ),
+                DidvanText(
+                  _error ?? '',
+                  style: Theme.of(context).textTheme.caption,
+                  color: Theme.of(context).colorScheme.error,
+                ),
+              ],
+            ))
       ],
     );
   }
@@ -99,12 +123,21 @@ class _DidvanTextFieldState extends State<DidvanTextField> {
   Color _borderColor() {
     if (_focusNode.hasFocus) {
       return Theme.of(context).colorScheme.primary;
-    } else if (_hasError) {
+    } else if (_error != null) {
       return Theme.of(context).colorScheme.error;
     }
     return Theme.of(context).colorScheme.border;
   }
 
+  Color? _titleColor() {
+    if (!widget.enabled) {
+      return Theme.of(context).colorScheme.hint;
+    }
+    if (_error != null) {
+      return Theme.of(context).colorScheme.error;
+    }
+  }
+
   Color _fillColor() {
     if (!widget.enabled) {
       return Theme.of(context).colorScheme.secondCTA;
@@ -112,7 +145,7 @@ class _DidvanTextFieldState extends State<DidvanTextField> {
     if (_focusNode.hasFocus) {
       return Theme.of(context).colorScheme.focused;
     }
-    if (_hasError) {
+    if (_error != null) {
       return Theme.of(context).colorScheme.errorLight;
     }
     return Theme.of(context).colorScheme.surface;
@@ -129,7 +162,9 @@ class _DidvanTextFieldState extends State<DidvanTextField> {
             });
           },
           child: Icon(
-            _hideContent ? Icons.remove_red_eye : Icons.remove_red_eye_outlined,
+            _hideContent
+                ? DidvanIcons.eye_regular
+                : DidvanIcons.eye_slash_regular,
           ),
         ),
       );
@@ -143,6 +178,18 @@ class _DidvanTextFieldState extends State<DidvanTextField> {
   }
 
   String? _validator(String? value) {
-    _hasError = false;
+    if (widget.validator != null) {
+      final String? error = widget.validator!(value);
+      if (error != null) {
+        setState(() {
+          _error = error;
+        });
+        return '';
+      } else {
+        setState(() {
+          _error = null;
+        });
+      }
+    }
   }
 }
diff --git a/lib/widgets/logos/didvan_horizontal_logo.dart b/lib/widgets/logos/didvan_horizontal_logo.dart
index e9631d6..13437e0 100644
--- a/lib/widgets/logos/didvan_horizontal_logo.dart
+++ b/lib/widgets/logos/didvan_horizontal_logo.dart
@@ -3,10 +3,11 @@ import 'package:flutter/material.dart';
 import 'package:flutter_svg/svg.dart';
 
 class DidvanVerticalLogo extends StatelessWidget {
-  const DidvanVerticalLogo({Key? key}) : super(key: key);
+  final double? height;
+  const DidvanVerticalLogo({Key? key, this.height}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
-    return SvgPicture.asset(Assets.verticalLogoWithText);
+    return SvgPicture.asset(Assets.verticalLogoWithText, height: height);
   }
 }
diff --git a/pubspec.lock b/pubspec.lock
index bd7794e..9d580f9 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1,6 +1,13 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  another_flushbar:
+    dependency: "direct main"
+    description:
+      name: another_flushbar
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.10.28"
   async:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index ac58b10..81a0276 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -57,6 +57,7 @@ dependencies:
   just_audio: ^0.9.18
   record_web: ^0.2.1
   just_waveform: ^0.0.1
+  another_flushbar: ^1.10.28
 
 dev_dependencies:
   flutter_test: