commit b0262d6babd893a8f0587741757dcaefebdb9b6e
Author: basilro <sica4311@gmail.com>
Date:   Sun Mar 1 07:55:59 2026 +0900

    초기 커밋

diff --git a/.claude/settings.local.json b/.claude/settings.local.json
new file mode 100644
index 0000000..1c76139
--- /dev/null
+++ b/.claude/settings.local.json
@@ -0,0 +1,17 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(flutter --version:*)",
+      "Bash(where:*)",
+      "WebSearch",
+      "WebFetch(domain:pub.dev)",
+      "Bash(dir:*)",
+      "Bash(findstr:*)",
+      "Bash(ls:*)",
+      "Bash(while read:*)",
+      "Bash(do rmdir \"$d\")",
+      "Bash(echo:*)",
+      "Bash(done)"
+    ]
+  }
+}
diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..845e082
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,3 @@
+API_BASE_URL=http://localhost:8000/api/v1
+WS_BASE_URL=ws://localhost:8000/ws
+ENV=development
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5ade486
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,53 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# VS Code related
+.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.packages
+.pub-cache/
+.pub/
+/build/
+pubspec.lock
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release
+
+# Environment
+.env
+.env.*
+!.env.example
+
+# Generated files
+*.g.dart
+*.freezed.dart
+lib/generated/
diff --git a/analysis_options.yaml b/analysis_options.yaml
new file mode 100644
index 0000000..1bc2f5d
--- /dev/null
+++ b/analysis_options.yaml
@@ -0,0 +1,17 @@
+include: package:very_good_analysis/analysis_options.yaml
+
+analyzer:
+  exclude:
+    - "**/*.g.dart"
+    - "**/*.freezed.dart"
+    - "lib/generated/**"
+    - "build/**"
+  errors:
+    invalid_annotation_target: ignore
+
+linter:
+  rules:
+    public_member_api_docs: false
+    lines_longer_than_80_chars: false
+    flutter_style_todos: false
+    one_member_abstracts: false
diff --git a/lib/app/app.dart b/lib/app/app.dart
new file mode 100644
index 0000000..c4eef32
--- /dev/null
+++ b/lib/app/app.dart
@@ -0,0 +1,36 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:responsive_framework/responsive_framework.dart';
+
+import '../core/router/app_router.dart';
+import 'app_providers.dart';
+import 'theme/app_theme.dart';
+
+/// 앱 루트 위젯
+class App extends ConsumerWidget {
+  const App({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final router = ref.watch(appRouterProvider);
+    final themeMode = ref.watch(themeModeNotifierProvider);
+
+    return MaterialApp.router(
+      title: 'Flutter Frame',
+      debugShowCheckedModeBanner: false,
+      theme: AppTheme.light,
+      darkTheme: AppTheme.dark,
+      themeMode: themeMode,
+      routerConfig: router,
+      builder: (context, child) => ResponsiveBreakpoints.builder(
+        child: child!,
+        breakpoints: const [
+          Breakpoint(start: 0, end: 450, name: MOBILE),
+          Breakpoint(start: 451, end: 800, name: TABLET),
+          Breakpoint(start: 801, end: 1920, name: DESKTOP),
+          Breakpoint(start: 1921, end: double.infinity, name: '4K'),
+        ],
+      ),
+    );
+  }
+}
diff --git a/lib/app/app_providers.dart b/lib/app/app_providers.dart
new file mode 100644
index 0000000..1331dc2
--- /dev/null
+++ b/lib/app/app_providers.dart
@@ -0,0 +1,24 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'app_providers.g.dart';
+
+/// 테마 모드 상태 관리
+@riverpod
+class ThemeModeNotifier extends _$ThemeModeNotifier {
+  @override
+  ThemeMode build() => ThemeMode.system;
+
+  void setThemeMode(ThemeMode mode) {
+    state = mode;
+  }
+
+  void toggleTheme() {
+    state = switch (state) {
+      ThemeMode.light => ThemeMode.dark,
+      ThemeMode.dark => ThemeMode.light,
+      ThemeMode.system => ThemeMode.dark,
+    };
+  }
+}
diff --git a/lib/app/theme/app_colors.dart b/lib/app/theme/app_colors.dart
new file mode 100644
index 0000000..18e8b09
--- /dev/null
+++ b/lib/app/theme/app_colors.dart
@@ -0,0 +1,35 @@
+import 'package:flutter/material.dart';
+
+/// 앱 커스텀 컬러 상수
+abstract final class AppColors {
+  // Primary
+  static const Color primary = Color(0xFF1E40AF);
+  static const Color primaryLight = Color(0xFF3B82F6);
+  static const Color primaryDark = Color(0xFF1E3A8A);
+
+  // Secondary
+  static const Color secondary = Color(0xFF7C3AED);
+  static const Color secondaryLight = Color(0xFF8B5CF6);
+  static const Color secondaryDark = Color(0xFF6D28D9);
+
+  // Status
+  static const Color success = Color(0xFF16A34A);
+  static const Color warning = Color(0xFFEAB308);
+  static const Color error = Color(0xFFDC2626);
+  static const Color info = Color(0xFF0EA5E9);
+
+  // Neutral
+  static const Color background = Color(0xFFF8FAFC);
+  static const Color surface = Color(0xFFFFFFFF);
+  static const Color textPrimary = Color(0xFF0F172A);
+  static const Color textSecondary = Color(0xFF64748B);
+  static const Color border = Color(0xFFE2E8F0);
+  static const Color divider = Color(0xFFF1F5F9);
+
+  // Dark Mode
+  static const Color darkBackground = Color(0xFF0F172A);
+  static const Color darkSurface = Color(0xFF1E293B);
+  static const Color darkTextPrimary = Color(0xFFF8FAFC);
+  static const Color darkTextSecondary = Color(0xFF94A3B8);
+  static const Color darkBorder = Color(0xFF334155);
+}
diff --git a/lib/app/theme/app_theme.dart b/lib/app/theme/app_theme.dart
new file mode 100644
index 0000000..bba5de8
--- /dev/null
+++ b/lib/app/theme/app_theme.dart
@@ -0,0 +1,62 @@
+import 'package:flex_color_scheme/flex_color_scheme.dart';
+import 'package:flutter/material.dart';
+
+/// FlexColorScheme 기반 라이트/다크 테마 설정
+abstract final class AppTheme {
+  /// 라이트 테마
+  static ThemeData get light => FlexThemeData.light(
+        scheme: FlexScheme.indigo,
+        surfaceMode: FlexSurfaceMode.levelSurfacesLowScaffold,
+        blendLevel: 7,
+        subThemesData: const FlexSubThemesData(
+          blendOnLevel: 10,
+          blendOnColors: false,
+          useTextTheme: true,
+          useM2StyleDividerInM3: true,
+          alignedDropdown: true,
+          useInputDecoratorThemeInDialogs: true,
+          inputDecoratorBorderType: FlexInputBorderType.outline,
+          inputDecoratorRadius: 8,
+          chipRadius: 8,
+          cardRadius: 12,
+          dialogRadius: 16,
+          bottomSheetRadius: 16,
+          elevatedButtonRadius: 8,
+          outlinedButtonRadius: 8,
+          filledButtonRadius: 8,
+          textButtonRadius: 8,
+          fabRadius: 16,
+        ),
+        visualDensity: FlexColorScheme.comfortablePlatformDensity,
+        useMaterial3: true,
+        fontFamily: 'Pretendard',
+      );
+
+  /// 다크 테마
+  static ThemeData get dark => FlexThemeData.dark(
+        scheme: FlexScheme.indigo,
+        surfaceMode: FlexSurfaceMode.levelSurfacesLowScaffold,
+        blendLevel: 13,
+        subThemesData: const FlexSubThemesData(
+          blendOnLevel: 20,
+          useTextTheme: true,
+          useM2StyleDividerInM3: true,
+          alignedDropdown: true,
+          useInputDecoratorThemeInDialogs: true,
+          inputDecoratorBorderType: FlexInputBorderType.outline,
+          inputDecoratorRadius: 8,
+          chipRadius: 8,
+          cardRadius: 12,
+          dialogRadius: 16,
+          bottomSheetRadius: 16,
+          elevatedButtonRadius: 8,
+          outlinedButtonRadius: 8,
+          filledButtonRadius: 8,
+          textButtonRadius: 8,
+          fabRadius: 16,
+        ),
+        visualDensity: FlexColorScheme.comfortablePlatformDensity,
+        useMaterial3: true,
+        fontFamily: 'Pretendard',
+      );
+}
diff --git a/lib/core/constants/api_constants.dart b/lib/core/constants/api_constants.dart
new file mode 100644
index 0000000..e9d47bc
--- /dev/null
+++ b/lib/core/constants/api_constants.dart
@@ -0,0 +1,27 @@
+abstract final class ApiConstants {
+  static const String baseUrl = 'http://localhost:8000/api/v1';
+  static const String wsUrl = 'ws://localhost:8000/ws';
+
+  // Auth
+  static const String login = '/auth/login';
+  static const String register = '/auth/register';
+  static const String refreshToken = '/auth/refresh';
+  static const String logout = '/auth/logout';
+
+  // Users
+  static const String users = '/users';
+  static const String userProfile = '/users/me';
+
+  // Dashboard
+  static const String dashboardStats = '/dashboard/stats';
+  static const String dashboardMetrics = '/dashboard/metrics';
+
+  // Admin
+  static const String adminUsers = '/admin/users';
+  static const String adminSettings = '/admin/settings';
+
+  // Timeouts
+  static const Duration connectTimeout = Duration(seconds: 15);
+  static const Duration receiveTimeout = Duration(seconds: 15);
+  static const Duration sendTimeout = Duration(seconds: 15);
+}
diff --git a/lib/core/constants/app_constants.dart b/lib/core/constants/app_constants.dart
new file mode 100644
index 0000000..91a4b1f
--- /dev/null
+++ b/lib/core/constants/app_constants.dart
@@ -0,0 +1,22 @@
+abstract final class AppConstants {
+  static const String appName = 'Flutter Frame';
+  static const String appVersion = '1.0.0';
+
+  // Storage Keys
+  static const String accessTokenKey = 'access_token';
+  static const String refreshTokenKey = 'refresh_token';
+  static const String userKey = 'user_data';
+  static const String themeKey = 'theme_mode';
+  static const String localeKey = 'locale';
+
+  // Pagination
+  static const int defaultPageSize = 20;
+  static const int maxPageSize = 100;
+
+  // Debounce
+  static const Duration searchDebounce = Duration(milliseconds: 500);
+
+  // Animation
+  static const Duration animationDuration = Duration(milliseconds: 300);
+  static const Duration shortAnimationDuration = Duration(milliseconds: 150);
+}
diff --git a/lib/core/env/env.dart b/lib/core/env/env.dart
new file mode 100644
index 0000000..2289622
--- /dev/null
+++ b/lib/core/env/env.dart
@@ -0,0 +1,15 @@
+import 'package:envied/envied.dart';
+
+part 'env.g.dart';
+
+@Envied(path: '.env', obfuscate: true)
+abstract class Env {
+  @EnviedField(varName: 'API_BASE_URL', defaultValue: 'http://localhost:8000/api/v1')
+  static String apiBaseUrl = _Env.apiBaseUrl;
+
+  @EnviedField(varName: 'WS_BASE_URL', defaultValue: 'ws://localhost:8000/ws')
+  static String wsBaseUrl = _Env.wsBaseUrl;
+
+  @EnviedField(varName: 'ENV', defaultValue: 'development')
+  static String environment = _Env.environment;
+}
diff --git a/lib/core/error/exceptions.dart b/lib/core/error/exceptions.dart
new file mode 100644
index 0000000..63c3eb7
--- /dev/null
+++ b/lib/core/error/exceptions.dart
@@ -0,0 +1,39 @@
+class ServerException implements Exception {
+  const ServerException({
+    required this.message,
+    required this.statusCode,
+  });
+
+  final String message;
+  final int statusCode;
+
+  @override
+  String toString() => 'ServerException(message: $message, statusCode: $statusCode)';
+}
+
+class CacheException implements Exception {
+  const CacheException({required this.message});
+
+  final String message;
+
+  @override
+  String toString() => 'CacheException(message: $message)';
+}
+
+class NetworkException implements Exception {
+  const NetworkException({this.message = 'No internet connection'});
+
+  final String message;
+
+  @override
+  String toString() => 'NetworkException(message: $message)';
+}
+
+class UnauthorizedException implements Exception {
+  const UnauthorizedException({this.message = 'Unauthorized'});
+
+  final String message;
+
+  @override
+  String toString() => 'UnauthorizedException(message: $message)';
+}
diff --git a/lib/core/error/failures.dart b/lib/core/error/failures.dart
new file mode 100644
index 0000000..e3e71db
--- /dev/null
+++ b/lib/core/error/failures.dart
@@ -0,0 +1,27 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'failures.freezed.dart';
+
+@freezed
+sealed class Failure with _$Failure {
+  const factory Failure.server({
+    required String message,
+    @Default(500) int statusCode,
+  }) = ServerFailure;
+
+  const factory Failure.cache({
+    required String message,
+  }) = CacheFailure;
+
+  const factory Failure.network({
+    @Default('네트워크 연결을 확인해주세요') String message,
+  }) = NetworkFailure;
+
+  const factory Failure.unauthorized({
+    @Default('인증이 필요합니다') String message,
+  }) = UnauthorizedFailure;
+
+  const factory Failure.unknown({
+    @Default('알 수 없는 오류가 발생했습니다') String message,
+  }) = UnknownFailure;
+}
diff --git a/lib/core/logging/app_logger.dart b/lib/core/logging/app_logger.dart
new file mode 100644
index 0000000..10022a4
--- /dev/null
+++ b/lib/core/logging/app_logger.dart
@@ -0,0 +1,22 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:talker/talker.dart';
+
+part 'app_logger.g.dart';
+
+@Riverpod(keepAlive: true)
+Talker appLogger(Ref ref) {
+  return Talker(
+    settings: TalkerSettings(
+      useHistory: true,
+      useConsoleLogs: true,
+      maxHistoryItems: 1000,
+    ),
+    logger: TalkerLogger(
+      settings: TalkerLoggerSettings(
+        level: LogLevel.verbose,
+        enableColors: true,
+      ),
+    ),
+  );
+}
diff --git a/lib/core/network/auth_interceptor.dart b/lib/core/network/auth_interceptor.dart
new file mode 100644
index 0000000..8f71c32
--- /dev/null
+++ b/lib/core/network/auth_interceptor.dart
@@ -0,0 +1,26 @@
+import 'package:dio/dio.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import '../constants/app_constants.dart';
+import '../storage/secure_storage.dart';
+
+class AuthInterceptor extends Interceptor {
+  AuthInterceptor({required this.ref});
+
+  final Ref ref;
+
+  @override
+  Future<void> onRequest(
+    RequestOptions options,
+    RequestInterceptorHandler handler,
+  ) async {
+    final secureStorage = ref.read(secureStorageProvider);
+    final token = await secureStorage.read(key: AppConstants.accessTokenKey);
+
+    if (token != null) {
+      options.headers['Authorization'] = 'Bearer $token';
+    }
+
+    handler.next(options);
+  }
+}
diff --git a/lib/core/network/dio_client.dart b/lib/core/network/dio_client.dart
new file mode 100644
index 0000000..9f6af27
--- /dev/null
+++ b/lib/core/network/dio_client.dart
@@ -0,0 +1,44 @@
+import 'package:dio/dio.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:talker_dio_logger/talker_dio_logger.dart';
+
+import '../constants/api_constants.dart';
+import '../logging/app_logger.dart';
+import 'auth_interceptor.dart';
+import 'token_refresh_interceptor.dart';
+
+part 'dio_client.g.dart';
+
+@Riverpod(keepAlive: true)
+Dio dio(Ref ref) {
+  final dio = Dio(
+    BaseOptions(
+      baseUrl: ApiConstants.baseUrl,
+      connectTimeout: ApiConstants.connectTimeout,
+      receiveTimeout: ApiConstants.receiveTimeout,
+      sendTimeout: ApiConstants.sendTimeout,
+      headers: {
+        'Content-Type': 'application/json',
+        'Accept': 'application/json',
+      },
+    ),
+  );
+
+  final talker = ref.read(appLoggerProvider);
+
+  dio.interceptors.addAll([
+    AuthInterceptor(ref: ref),
+    TokenRefreshInterceptor(ref: ref, dio: dio),
+    TalkerDioLogger(
+      talker: talker,
+      settings: const TalkerDioLoggerSettings(
+        printRequestHeaders: true,
+        printResponseHeaders: false,
+        printResponseData: true,
+      ),
+    ),
+  ]);
+
+  return dio;
+}
diff --git a/lib/core/network/socket_manager.dart b/lib/core/network/socket_manager.dart
new file mode 100644
index 0000000..a981538
--- /dev/null
+++ b/lib/core/network/socket_manager.dart
@@ -0,0 +1,109 @@
+import 'dart:async';
+import 'dart:convert';
+
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:talker/talker.dart';
+import 'package:web_socket_channel/web_socket_channel.dart';
+
+import '../constants/api_constants.dart';
+import '../constants/app_constants.dart';
+import '../logging/app_logger.dart';
+import '../storage/secure_storage.dart';
+
+part 'socket_manager.g.dart';
+
+@Riverpod(keepAlive: true)
+SocketManager socketManager(Ref ref) {
+  final talker = ref.read(appLoggerProvider);
+  final secureStorage = ref.read(secureStorageProvider);
+  final manager = SocketManager(talker: talker, secureStorage: secureStorage);
+  ref.onDispose(manager.dispose);
+  return manager;
+}
+
+class SocketManager {
+  SocketManager({
+    required this.talker,
+    required this.secureStorage,
+  });
+
+  final Talker talker;
+  final SecureStorage secureStorage;
+
+  WebSocketChannel? _channel;
+  Timer? _reconnectTimer;
+  final _messageController = StreamController<Map<String, dynamic>>.broadcast();
+  bool _isConnected = false;
+  int _reconnectAttempts = 0;
+  static const int _maxReconnectAttempts = 5;
+
+  Stream<Map<String, dynamic>> get messageStream => _messageController.stream;
+  bool get isConnected => _isConnected;
+
+  Future<void> connect({String? path}) async {
+    try {
+      final token = await secureStorage.read(key: AppConstants.accessTokenKey);
+      final wsUrl = '${ApiConstants.wsUrl}${path ?? ''}';
+      final uri = Uri.parse(
+        token != null ? '$wsUrl?token=$token' : wsUrl,
+      );
+
+      _channel = WebSocketChannel.connect(uri);
+      await _channel!.ready;
+      _isConnected = true;
+      _reconnectAttempts = 0;
+
+      talker.info('WebSocket connected: $wsUrl');
+
+      _channel!.stream.listen(
+        (data) {
+          try {
+            final decoded = jsonDecode(data as String) as Map<String, dynamic>;
+            _messageController.add(decoded);
+          } catch (e) {
+            talker.error('WebSocket message parse error', e);
+          }
+        },
+        onError: (Object error) {
+          talker.error('WebSocket error', error);
+          _handleDisconnect();
+        },
+        onDone: () {
+          talker.warning('WebSocket disconnected');
+          _handleDisconnect();
+        },
+      );
+    } catch (e) {
+      talker.error('WebSocket connection failed', e);
+      _handleDisconnect();
+    }
+  }
+
+  void _handleDisconnect() {
+    _isConnected = false;
+    if (_reconnectAttempts < _maxReconnectAttempts) {
+      final delay = Duration(seconds: _reconnectAttempts * 2 + 1);
+      _reconnectTimer = Timer(delay, () {
+        _reconnectAttempts++;
+        talker.info('WebSocket reconnect attempt $_reconnectAttempts');
+        connect();
+      });
+    }
+  }
+
+  void send(Map<String, dynamic> data) {
+    if (_isConnected && _channel != null) {
+      _channel!.sink.add(jsonEncode(data));
+    } else {
+      talker.warning('WebSocket not connected, message not sent');
+    }
+  }
+
+  void dispose() {
+    _reconnectTimer?.cancel();
+    _channel?.sink.close();
+    _messageController.close();
+    _isConnected = false;
+  }
+}
diff --git a/lib/core/network/token_refresh_interceptor.dart b/lib/core/network/token_refresh_interceptor.dart
new file mode 100644
index 0000000..720e435
--- /dev/null
+++ b/lib/core/network/token_refresh_interceptor.dart
@@ -0,0 +1,77 @@
+import 'package:dio/dio.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import '../constants/api_constants.dart';
+import '../constants/app_constants.dart';
+import '../storage/secure_storage.dart';
+
+class TokenRefreshInterceptor extends Interceptor {
+  TokenRefreshInterceptor({
+    required this.ref,
+    required this.dio,
+  });
+
+  final Ref ref;
+  final Dio dio;
+  bool _isRefreshing = false;
+
+  @override
+  Future<void> onError(
+    DioException err,
+    ErrorInterceptorHandler handler,
+  ) async {
+    if (err.response?.statusCode == 401 && !_isRefreshing) {
+      _isRefreshing = true;
+      try {
+        final secureStorage = ref.read(secureStorageProvider);
+        final refreshToken = await secureStorage.read(
+          key: AppConstants.refreshTokenKey,
+        );
+
+        if (refreshToken == null) {
+          _isRefreshing = false;
+          return handler.next(err);
+        }
+
+        // Request new tokens
+        final refreshDio = Dio(
+          BaseOptions(baseUrl: ApiConstants.baseUrl),
+        );
+        final response = await refreshDio.post(
+          ApiConstants.refreshToken,
+          data: {'refresh_token': refreshToken},
+        );
+
+        final newAccessToken = response.data['access_token'] as String;
+        final newRefreshToken = response.data['refresh_token'] as String;
+
+        // Save new tokens
+        await secureStorage.write(
+          key: AppConstants.accessTokenKey,
+          value: newAccessToken,
+        );
+        await secureStorage.write(
+          key: AppConstants.refreshTokenKey,
+          value: newRefreshToken,
+        );
+
+        // Retry original request
+        final options = err.requestOptions;
+        options.headers['Authorization'] = 'Bearer $newAccessToken';
+
+        final retryResponse = await dio.fetch(options);
+        _isRefreshing = false;
+        return handler.resolve(retryResponse);
+      } on DioException {
+        _isRefreshing = false;
+        // Token refresh failed, clear tokens
+        final secureStorage = ref.read(secureStorageProvider);
+        await secureStorage.delete(key: AppConstants.accessTokenKey);
+        await secureStorage.delete(key: AppConstants.refreshTokenKey);
+        return handler.next(err);
+      }
+    }
+
+    return handler.next(err);
+  }
+}
diff --git a/lib/core/router/app_router.dart b/lib/core/router/app_router.dart
new file mode 100644
index 0000000..5d4e17a
--- /dev/null
+++ b/lib/core/router/app_router.dart
@@ -0,0 +1,114 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+import '../../features/admin/presentation/screens/admin_home_screen.dart';
+import '../../features/admin/presentation/screens/system_settings_screen.dart';
+import '../../features/admin/presentation/screens/user_management_screen.dart';
+import '../../features/auth/presentation/screens/login_screen.dart';
+import '../../features/auth/presentation/screens/register_screen.dart';
+import '../../features/dashboard/presentation/screens/dashboard_screen.dart';
+import '../../features/user/presentation/screens/user_home_screen.dart';
+import '../../features/user/presentation/screens/user_profile_screen.dart';
+import '../../shared/providers/auth_provider.dart';
+import '../../shared/widgets/app_scaffold.dart';
+import 'auth_guard.dart';
+import 'route_names.dart';
+
+part 'app_router.g.dart';
+
+@Riverpod(keepAlive: true)
+GoRouter appRouter(Ref ref) {
+  final authGuard = AuthGuard(ref);
+  final authState = ref.watch(authStateProvider);
+
+  return GoRouter(
+    initialLocation: RoutePaths.login,
+    debugLogDiagnostics: true,
+    refreshListenable: _GoRouterRefreshStream(ref, authState),
+    redirect: (context, state) {
+      final location = state.uri.toString();
+      return authGuard.redirect(context, location);
+    },
+    routes: [
+      // Auth Routes (비인증)
+      GoRoute(
+        name: RouteNames.login,
+        path: RoutePaths.login,
+        builder: (context, state) => const LoginScreen(),
+      ),
+      GoRoute(
+        name: RouteNames.register,
+        path: RoutePaths.register,
+        builder: (context, state) => const RegisterScreen(),
+      ),
+
+      // User Shell Route
+      ShellRoute(
+        builder: (context, state, child) => AppScaffold(
+          currentPath: state.uri.toString(),
+          child: child,
+        ),
+        routes: [
+          GoRoute(
+            name: RouteNames.userHome,
+            path: RoutePaths.userHome,
+            builder: (context, state) => const UserHomeScreen(),
+          ),
+          GoRoute(
+            name: RouteNames.userProfile,
+            path: RoutePaths.userProfile,
+            builder: (context, state) => const UserProfileScreen(),
+          ),
+          GoRoute(
+            name: RouteNames.userDashboard,
+            path: RoutePaths.userDashboard,
+            builder: (context, state) => const DashboardScreen(),
+          ),
+        ],
+      ),
+
+      // Admin Shell Route
+      ShellRoute(
+        builder: (context, state, child) => AppScaffold(
+          currentPath: state.uri.toString(),
+          isAdmin: true,
+          child: child,
+        ),
+        routes: [
+          GoRoute(
+            name: RouteNames.adminHome,
+            path: RoutePaths.adminHome,
+            builder: (context, state) => const AdminHomeScreen(),
+          ),
+          GoRoute(
+            name: RouteNames.adminUsers,
+            path: RoutePaths.adminUsers,
+            builder: (context, state) => const UserManagementScreen(),
+          ),
+          GoRoute(
+            name: RouteNames.adminDashboard,
+            path: RoutePaths.adminDashboard,
+            builder: (context, state) => const DashboardScreen(),
+          ),
+          GoRoute(
+            name: RouteNames.adminSettings,
+            path: RoutePaths.adminSettings,
+            builder: (context, state) => const SystemSettingsScreen(),
+          ),
+        ],
+      ),
+    ],
+  );
+}
+
+/// GoRouter에서 Riverpod 상태 변경 시 리프레시하기 위한 Listenable 래퍼
+class _GoRouterRefreshStream extends ChangeNotifier {
+  _GoRouterRefreshStream(this.ref, dynamic _) {
+    // authState 변경 시 GoRouter refresh 트리거
+    notifyListeners();
+  }
+
+  final Ref ref;
+}
diff --git a/lib/core/router/auth_guard.dart b/lib/core/router/auth_guard.dart
new file mode 100644
index 0000000..165e530
--- /dev/null
+++ b/lib/core/router/auth_guard.dart
@@ -0,0 +1,64 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import '../../shared/models/user_role.dart';
+import '../../shared/providers/auth_provider.dart';
+import 'route_names.dart';
+
+/// 인증/역할 기반 라우트 가드
+class AuthGuard {
+  const AuthGuard(this.ref);
+
+  final Ref ref;
+
+  /// GoRouter redirect 콜백
+  String? redirect(BuildContext context, String location) {
+    final authState = ref.read(authStateProvider);
+
+    return authState.when(
+      data: (user) {
+        final isLoggedIn = user != null;
+        final isAuthRoute =
+            location.startsWith(RoutePaths.login) ||
+            location.startsWith(RoutePaths.register);
+
+        // 비로그인 사용자가 인증 페이지 외 접근 시 → 로그인으로
+        if (!isLoggedIn && !isAuthRoute) {
+          return RoutePaths.login;
+        }
+
+        // 로그인 사용자가 인증 페이지 접근 시 → 역할에 따라 리다이렉트
+        if (isLoggedIn && isAuthRoute) {
+          return _redirectByRole(user!.role);
+        }
+
+        // 역할 기반 접근 제어
+        if (isLoggedIn) {
+          return _checkRoleAccess(location, user!.role);
+        }
+
+        return null;
+      },
+      loading: () => null,
+      error: (_, __) => RoutePaths.login,
+    );
+  }
+
+  /// 역할에 따른 기본 페이지 리다이렉트
+  String _redirectByRole(UserRole role) {
+    return switch (role) {
+      UserRole.admin => RoutePaths.adminHome,
+      UserRole.user => RoutePaths.userHome,
+    };
+  }
+
+  /// 역할 기반 접근 제어
+  String? _checkRoleAccess(String location, UserRole role) {
+    // 일반 사용자가 관리자 페이지 접근 시도
+    if (location.startsWith(RoutePaths.admin) && role != UserRole.admin) {
+      return RoutePaths.userHome;
+    }
+
+    return null;
+  }
+}
diff --git a/lib/core/router/route_names.dart b/lib/core/router/route_names.dart
new file mode 100644
index 0000000..f67a006
--- /dev/null
+++ b/lib/core/router/route_names.dart
@@ -0,0 +1,39 @@
+/// 라우트 이름 상수
+abstract final class RouteNames {
+  // Auth
+  static const String login = 'login';
+  static const String register = 'register';
+
+  // User
+  static const String userShell = 'user-shell';
+  static const String userHome = 'user-home';
+  static const String userProfile = 'user-profile';
+  static const String userDashboard = 'user-dashboard';
+
+  // Admin
+  static const String adminShell = 'admin-shell';
+  static const String adminHome = 'admin-home';
+  static const String adminUsers = 'admin-users';
+  static const String adminDashboard = 'admin-dashboard';
+  static const String adminSettings = 'admin-settings';
+}
+
+/// 라우트 경로 상수
+abstract final class RoutePaths {
+  // Auth
+  static const String login = '/login';
+  static const String register = '/register';
+
+  // User
+  static const String user = '/user';
+  static const String userHome = '/user/home';
+  static const String userProfile = '/user/profile';
+  static const String userDashboard = '/user/dashboard';
+
+  // Admin
+  static const String admin = '/admin';
+  static const String adminHome = '/admin/home';
+  static const String adminUsers = '/admin/users';
+  static const String adminDashboard = '/admin/dashboard';
+  static const String adminSettings = '/admin/settings';
+}
diff --git a/lib/core/storage/local_storage.dart b/lib/core/storage/local_storage.dart
new file mode 100644
index 0000000..5866a13
--- /dev/null
+++ b/lib/core/storage/local_storage.dart
@@ -0,0 +1,55 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+part 'local_storage.g.dart';
+
+@Riverpod(keepAlive: true)
+LocalStorage localStorage(Ref ref) {
+  return LocalStorage();
+}
+
+class LocalStorage {
+  Future<SharedPreferences> get _prefs async =>
+      SharedPreferences.getInstance();
+
+  Future<void> setString(String key, String value) async {
+    final prefs = await _prefs;
+    await prefs.setString(key, value);
+  }
+
+  Future<String?> getString(String key) async {
+    final prefs = await _prefs;
+    return prefs.getString(key);
+  }
+
+  Future<void> setBool(String key, {required bool value}) async {
+    final prefs = await _prefs;
+    await prefs.setBool(key, value);
+  }
+
+  Future<bool?> getBool(String key) async {
+    final prefs = await _prefs;
+    return prefs.getBool(key);
+  }
+
+  Future<void> setInt(String key, int value) async {
+    final prefs = await _prefs;
+    await prefs.setInt(key, value);
+  }
+
+  Future<int?> getInt(String key) async {
+    final prefs = await _prefs;
+    return prefs.getInt(key);
+  }
+
+  Future<void> remove(String key) async {
+    final prefs = await _prefs;
+    await prefs.remove(key);
+  }
+
+  Future<void> clear() async {
+    final prefs = await _prefs;
+    await prefs.clear();
+  }
+}
diff --git a/lib/core/storage/secure_storage.dart b/lib/core/storage/secure_storage.dart
new file mode 100644
index 0000000..e71334b
--- /dev/null
+++ b/lib/core/storage/secure_storage.dart
@@ -0,0 +1,36 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'secure_storage.g.dart';
+
+@Riverpod(keepAlive: true)
+SecureStorage secureStorage(Ref ref) {
+  return SecureStorage();
+}
+
+class SecureStorage {
+  static const _storage = FlutterSecureStorage(
+    aOptions: AndroidOptions(encryptedSharedPreferences: true),
+  );
+
+  Future<void> write({required String key, required String value}) async {
+    await _storage.write(key: key, value: value);
+  }
+
+  Future<String?> read({required String key}) async {
+    return _storage.read(key: key);
+  }
+
+  Future<void> delete({required String key}) async {
+    await _storage.delete(key: key);
+  }
+
+  Future<void> deleteAll() async {
+    await _storage.deleteAll();
+  }
+
+  Future<bool> containsKey({required String key}) async {
+    return _storage.containsKey(key: key);
+  }
+}
diff --git a/lib/core/utils/date_utils.dart b/lib/core/utils/date_utils.dart
new file mode 100644
index 0000000..d6ac426
--- /dev/null
+++ b/lib/core/utils/date_utils.dart
@@ -0,0 +1,44 @@
+import 'package:intl/intl.dart';
+
+abstract final class AppDateUtils {
+  static final _dateFormat = DateFormat('yyyy-MM-dd');
+  static final _dateTimeFormat = DateFormat('yyyy-MM-dd HH:mm:ss');
+  static final _timeFormat = DateFormat('HH:mm');
+  static final _koreanDateFormat = DateFormat('yyyy년 MM월 dd일');
+
+  static String formatDate(DateTime date) => _dateFormat.format(date);
+
+  static String formatDateTime(DateTime date) => _dateTimeFormat.format(date);
+
+  static String formatTime(DateTime date) => _timeFormat.format(date);
+
+  static String formatKoreanDate(DateTime date) => _koreanDateFormat.format(date);
+
+  static DateTime? tryParse(String? dateString) {
+    if (dateString == null) return null;
+    try {
+      return DateTime.parse(dateString);
+    } catch (_) {
+      return null;
+    }
+  }
+
+  static String timeAgo(DateTime date) {
+    final now = DateTime.now();
+    final diff = now.difference(date);
+
+    if (diff.inDays > 365) {
+      return '${diff.inDays ~/ 365}년 전';
+    } else if (diff.inDays > 30) {
+      return '${diff.inDays ~/ 30}개월 전';
+    } else if (diff.inDays > 0) {
+      return '${diff.inDays}일 전';
+    } else if (diff.inHours > 0) {
+      return '${diff.inHours}시간 전';
+    } else if (diff.inMinutes > 0) {
+      return '${diff.inMinutes}분 전';
+    } else {
+      return '방금 전';
+    }
+  }
+}
diff --git a/lib/core/utils/extensions.dart b/lib/core/utils/extensions.dart
new file mode 100644
index 0000000..cbba6cc
--- /dev/null
+++ b/lib/core/utils/extensions.dart
@@ -0,0 +1,42 @@
+import 'package:flutter/material.dart';
+
+extension BuildContextExtension on BuildContext {
+  ThemeData get theme => Theme.of(this);
+  TextTheme get textTheme => Theme.of(this).textTheme;
+  ColorScheme get colorScheme => Theme.of(this).colorScheme;
+  MediaQueryData get mediaQuery => MediaQuery.of(this);
+  Size get screenSize => MediaQuery.sizeOf(this);
+  double get screenWidth => screenSize.width;
+  double get screenHeight => screenSize.height;
+  bool get isMobile => screenWidth < 600;
+  bool get isTablet => screenWidth >= 600 && screenWidth < 1200;
+  bool get isDesktop => screenWidth >= 1200;
+
+  void showSnackBar(String message, {bool isError = false}) {
+    ScaffoldMessenger.of(this).showSnackBar(
+      SnackBar(
+        content: Text(message),
+        backgroundColor: isError ? colorScheme.error : null,
+        behavior: SnackBarBehavior.floating,
+      ),
+    );
+  }
+}
+
+extension StringExtension on String {
+  String get capitalize =>
+      isEmpty ? this : '${this[0].toUpperCase()}${substring(1)}';
+
+  bool get isValidEmail => RegExp(
+        r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$',
+      ).hasMatch(this);
+
+  bool get isValidPassword => length >= 8;
+}
+
+extension DateTimeExtension on DateTime {
+  String get toFormattedString => '$year-${month.toString().padLeft(2, '0')}-${day.toString().padLeft(2, '0')}';
+
+  String get toFormattedDateTime =>
+      '$toFormattedString ${hour.toString().padLeft(2, '0')}:${minute.toString().padLeft(2, '0')}';
+}
diff --git a/lib/core/utils/validators.dart b/lib/core/utils/validators.dart
new file mode 100644
index 0000000..0c120ef
--- /dev/null
+++ b/lib/core/utils/validators.dart
@@ -0,0 +1,45 @@
+abstract final class Validators {
+  static String? email(String? value) {
+    if (value == null || value.isEmpty) {
+      return '이메일을 입력해주세요';
+    }
+    final emailRegex = RegExp(
+      r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$',
+    );
+    if (!emailRegex.hasMatch(value)) {
+      return '올바른 이메일 형식이 아닙니다';
+    }
+    return null;
+  }
+
+  static String? password(String? value) {
+    if (value == null || value.isEmpty) {
+      return '비밀번호를 입력해주세요';
+    }
+    if (value.length < 8) {
+      return '비밀번호는 8자 이상이어야 합니다';
+    }
+    return null;
+  }
+
+  static String? required(String? value, [String? fieldName]) {
+    if (value == null || value.trim().isEmpty) {
+      return '${fieldName ?? '이 필드'}를 입력해주세요';
+    }
+    return null;
+  }
+
+  static String? minLength(String? value, int min, [String? fieldName]) {
+    if (value == null || value.length < min) {
+      return '${fieldName ?? '이 필드'}는 $min자 이상이어야 합니다';
+    }
+    return null;
+  }
+
+  static String? maxLength(String? value, int max, [String? fieldName]) {
+    if (value != null && value.length > max) {
+      return '${fieldName ?? '이 필드'}는 $max자 이하여야 합니다';
+    }
+    return null;
+  }
+}
diff --git a/lib/features/admin/presentation/screens/admin_home_screen.dart b/lib/features/admin/presentation/screens/admin_home_screen.dart
new file mode 100644
index 0000000..534671e
--- /dev/null
+++ b/lib/features/admin/presentation/screens/admin_home_screen.dart
@@ -0,0 +1,238 @@
+import 'package:fl_chart/fl_chart.dart';
+import 'package:flutter/material.dart';
+import 'package:gap/gap.dart';
+import 'package:go_router/go_router.dart';
+
+import '../../../../core/router/route_names.dart';
+import '../../../../core/utils/extensions.dart';
+import '../../../../shared/widgets/chart_widgets/line_chart_widget.dart';
+
+class AdminHomeScreen extends StatelessWidget {
+  const AdminHomeScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return SingleChildScrollView(
+      padding: const EdgeInsets.all(24),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(
+            '관리자 대시보드',
+            style: context.textTheme.headlineMedium?.copyWith(
+              fontWeight: FontWeight.bold,
+            ),
+          ),
+          const Gap(8),
+          Text(
+            '시스템 현황을 한눈에 확인하세요',
+            style: context.textTheme.bodyLarge?.copyWith(
+              color: context.colorScheme.onSurfaceVariant,
+            ),
+          ),
+          const Gap(24),
+
+          // 통계 카드
+          LayoutBuilder(
+            builder: (context, constraints) {
+              final crossAxisCount = context.isDesktop
+                  ? 4
+                  : context.isTablet
+                      ? 2
+                      : 1;
+              return GridView.count(
+                crossAxisCount: crossAxisCount,
+                shrinkWrap: true,
+                physics: const NeverScrollableScrollPhysics(),
+                mainAxisSpacing: 16,
+                crossAxisSpacing: 16,
+                childAspectRatio: 1.8,
+                children: const [
+                  _AdminStatCard(
+                    title: '전체 사용자',
+                    value: '1,234',
+                    change: '+12%',
+                    isPositive: true,
+                    icon: Icons.people,
+                    color: Colors.blue,
+                  ),
+                  _AdminStatCard(
+                    title: '활성 세션',
+                    value: '89',
+                    change: '+5%',
+                    isPositive: true,
+                    icon: Icons.devices,
+                    color: Colors.green,
+                  ),
+                  _AdminStatCard(
+                    title: 'API 요청/분',
+                    value: '2,456',
+                    change: '-3%',
+                    isPositive: false,
+                    icon: Icons.api,
+                    color: Colors.orange,
+                  ),
+                  _AdminStatCard(
+                    title: '시스템 오류',
+                    value: '3',
+                    change: '-50%',
+                    isPositive: true,
+                    icon: Icons.error_outline,
+                    color: Colors.red,
+                  ),
+                ],
+              );
+            },
+          ),
+          const Gap(24),
+
+          // 차트 영역
+          SizedBox(
+            height: 300,
+            child: Card(
+              child: Padding(
+                padding: const EdgeInsets.all(20),
+                child: LineChartWidget(
+                  title: '주간 사용자 활동',
+                  spots: const [
+                    FlSpot(0, 30),
+                    FlSpot(1, 45),
+                    FlSpot(2, 38),
+                    FlSpot(3, 60),
+                    FlSpot(4, 55),
+                    FlSpot(5, 70),
+                    FlSpot(6, 65),
+                  ],
+                  bottomTitles: (value, meta) => SideTitleWidget(
+                    meta: meta,
+                    child: Text(
+                      ['월', '화', '수', '목', '금', '토', '일']
+                          [value.toInt() % 7],
+                      style: Theme.of(context).textTheme.bodySmall,
+                    ),
+                  ),
+                ),
+              ),
+            ),
+          ),
+          const Gap(24),
+
+          // 빠른 링크
+          Text(
+            '빠른 액세스',
+            style: context.textTheme.titleLarge?.copyWith(
+              fontWeight: FontWeight.bold,
+            ),
+          ),
+          const Gap(16),
+          Wrap(
+            spacing: 12,
+            runSpacing: 12,
+            children: [
+              _QuickAction(
+                icon: Icons.people,
+                label: '사용자 관리',
+                onTap: () => context.goNamed(RouteNames.adminUsers),
+              ),
+              _QuickAction(
+                icon: Icons.dashboard,
+                label: '대시보드',
+                onTap: () => context.goNamed(RouteNames.adminDashboard),
+              ),
+              _QuickAction(
+                icon: Icons.settings,
+                label: '시스템 설정',
+                onTap: () => context.goNamed(RouteNames.adminSettings),
+              ),
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _AdminStatCard extends StatelessWidget {
+  const _AdminStatCard({
+    required this.title,
+    required this.value,
+    required this.change,
+    required this.isPositive,
+    required this.icon,
+    required this.color,
+  });
+
+  final String title;
+  final String value;
+  final String change;
+  final bool isPositive;
+  final IconData icon;
+  final Color color;
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      child: Padding(
+        padding: const EdgeInsets.all(20),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          children: [
+            Row(
+              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+              children: [
+                Text(
+                  title,
+                  style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                        color: Theme.of(context).colorScheme.onSurfaceVariant,
+                      ),
+                ),
+                Icon(icon, color: color, size: 24),
+              ],
+            ),
+            Row(
+              crossAxisAlignment: CrossAxisAlignment.end,
+              children: [
+                Text(
+                  value,
+                  style: Theme.of(context).textTheme.headlineMedium?.copyWith(
+                        fontWeight: FontWeight.bold,
+                      ),
+                ),
+                const Gap(8),
+                Text(
+                  change,
+                  style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                        color: isPositive ? Colors.green : Colors.red,
+                        fontWeight: FontWeight.w600,
+                      ),
+                ),
+              ],
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _QuickAction extends StatelessWidget {
+  const _QuickAction({
+    required this.icon,
+    required this.label,
+    required this.onTap,
+  });
+
+  final IconData icon;
+  final String label;
+  final VoidCallback onTap;
+
+  @override
+  Widget build(BuildContext context) {
+    return ActionChip(
+      avatar: Icon(icon),
+      label: Text(label),
+      onPressed: onTap,
+    );
+  }
+}
diff --git a/lib/features/admin/presentation/screens/system_settings_screen.dart b/lib/features/admin/presentation/screens/system_settings_screen.dart
new file mode 100644
index 0000000..18e5b6b
--- /dev/null
+++ b/lib/features/admin/presentation/screens/system_settings_screen.dart
@@ -0,0 +1,231 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:gap/gap.dart';
+
+import '../../../../app/app_providers.dart';
+import '../../../../core/utils/extensions.dart';
+
+class SystemSettingsScreen extends ConsumerWidget {
+  const SystemSettingsScreen({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final themeMode = ref.watch(themeModeNotifierProvider);
+
+    return SingleChildScrollView(
+      padding: const EdgeInsets.all(24),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(
+            '시스템 설정',
+            style: context.textTheme.headlineMedium?.copyWith(
+              fontWeight: FontWeight.bold,
+            ),
+          ),
+          const Gap(8),
+          Text(
+            '시스템 환경을 설정하세요',
+            style: context.textTheme.bodyLarge?.copyWith(
+              color: context.colorScheme.onSurfaceVariant,
+            ),
+          ),
+          const Gap(24),
+
+          // 일반 설정
+          Center(
+            child: ConstrainedBox(
+              constraints: const BoxConstraints(maxWidth: 800),
+              child: Column(
+                children: [
+                  _SettingsSection(
+                    title: '일반',
+                    children: [
+                      _SettingsTile(
+                        icon: Icons.brightness_6,
+                        title: '테마',
+                        subtitle: _themeLabel(themeMode),
+                        trailing: SegmentedButton<ThemeMode>(
+                          segments: const [
+                            ButtonSegment(
+                              value: ThemeMode.light,
+                              icon: Icon(Icons.light_mode),
+                              label: Text('라이트'),
+                            ),
+                            ButtonSegment(
+                              value: ThemeMode.system,
+                              icon: Icon(Icons.brightness_auto),
+                              label: Text('시스템'),
+                            ),
+                            ButtonSegment(
+                              value: ThemeMode.dark,
+                              icon: Icon(Icons.dark_mode),
+                              label: Text('다크'),
+                            ),
+                          ],
+                          selected: {themeMode},
+                          onSelectionChanged: (modes) {
+                            ref
+                                .read(themeModeNotifierProvider.notifier)
+                                .setThemeMode(modes.first);
+                          },
+                        ),
+                      ),
+                      _SettingsTile(
+                        icon: Icons.language,
+                        title: '언어',
+                        subtitle: '한국어',
+                        trailing: const Icon(Icons.chevron_right),
+                        onTap: () {
+                          // TODO: 언어 설정
+                        },
+                      ),
+                    ],
+                  ),
+                  const Gap(16),
+
+                  _SettingsSection(
+                    title: '알림',
+                    children: [
+                      _SettingsTile(
+                        icon: Icons.notifications,
+                        title: '푸시 알림',
+                        subtitle: '활성화됨',
+                        trailing: Switch(
+                          value: true,
+                          onChanged: (value) {
+                            // TODO: 알림 설정
+                          },
+                        ),
+                      ),
+                      _SettingsTile(
+                        icon: Icons.email,
+                        title: '이메일 알림',
+                        subtitle: '활성화됨',
+                        trailing: Switch(
+                          value: true,
+                          onChanged: (value) {
+                            // TODO: 이메일 알림 설정
+                          },
+                        ),
+                      ),
+                    ],
+                  ),
+                  const Gap(16),
+
+                  _SettingsSection(
+                    title: 'API 설정',
+                    children: [
+                      _SettingsTile(
+                        icon: Icons.link,
+                        title: 'API Base URL',
+                        subtitle: 'http://localhost:8000/api/v1',
+                        trailing: const Icon(Icons.chevron_right),
+                        onTap: () {
+                          // TODO: API URL 설정
+                        },
+                      ),
+                      _SettingsTile(
+                        icon: Icons.timer,
+                        title: '요청 타임아웃',
+                        subtitle: '15초',
+                        trailing: const Icon(Icons.chevron_right),
+                        onTap: () {
+                          // TODO: 타임아웃 설정
+                        },
+                      ),
+                    ],
+                  ),
+                  const Gap(16),
+
+                  _SettingsSection(
+                    title: '정보',
+                    children: [
+                      const _SettingsTile(
+                        icon: Icons.info_outline,
+                        title: '앱 버전',
+                        subtitle: '1.0.0',
+                      ),
+                      const _SettingsTile(
+                        icon: Icons.code,
+                        title: 'Flutter',
+                        subtitle: 'SDK 3.8.0',
+                      ),
+                    ],
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  String _themeLabel(ThemeMode mode) {
+    return switch (mode) {
+      ThemeMode.light => '라이트 모드',
+      ThemeMode.dark => '다크 모드',
+      ThemeMode.system => '시스템 설정',
+    };
+  }
+}
+
+class _SettingsSection extends StatelessWidget {
+  const _SettingsSection({
+    required this.title,
+    required this.children,
+  });
+
+  final String title;
+  final List<Widget> children;
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Padding(
+            padding: const EdgeInsets.fromLTRB(20, 16, 20, 8),
+            child: Text(
+              title,
+              style: Theme.of(context).textTheme.titleSmall?.copyWith(
+                    color: Theme.of(context).colorScheme.primary,
+                    fontWeight: FontWeight.bold,
+                  ),
+            ),
+          ),
+          ...children,
+        ],
+      ),
+    );
+  }
+}
+
+class _SettingsTile extends StatelessWidget {
+  const _SettingsTile({
+    required this.icon,
+    required this.title,
+    required this.subtitle,
+    this.trailing,
+    this.onTap,
+  });
+
+  final IconData icon;
+  final String title;
+  final String subtitle;
+  final Widget? trailing;
+  final VoidCallback? onTap;
+
+  @override
+  Widget build(BuildContext context) {
+    return ListTile(
+      leading: Icon(icon),
+      title: Text(title),
+      subtitle: Text(subtitle),
+      trailing: trailing,
+      onTap: onTap,
+    );
+  }
+}
diff --git a/lib/features/admin/presentation/screens/user_management_screen.dart b/lib/features/admin/presentation/screens/user_management_screen.dart
new file mode 100644
index 0000000..2c1a1df
--- /dev/null
+++ b/lib/features/admin/presentation/screens/user_management_screen.dart
@@ -0,0 +1,238 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:gap/gap.dart';
+import 'package:pluto_grid/pluto_grid.dart';
+
+import '../../../../core/utils/extensions.dart';
+import '../../../../shared/widgets/confirm_dialog.dart';
+
+class UserManagementScreen extends ConsumerStatefulWidget {
+  const UserManagementScreen({super.key});
+
+  @override
+  ConsumerState<UserManagementScreen> createState() =>
+      _UserManagementScreenState();
+}
+
+class _UserManagementScreenState extends ConsumerState<UserManagementScreen> {
+  late PlutoGridStateManager stateManager;
+
+  // Mock 데이터
+  final List<Map<String, dynamic>> _mockUsers = List.generate(
+    20,
+    (i) => {
+      'id': '${i + 1}',
+      'name': '사용자 ${i + 1}',
+      'email': 'user${i + 1}@example.com',
+      'role': i == 0 ? 'admin' : 'user',
+      'status': i % 5 == 0 ? '비활성' : '활성',
+      'created_at': '2025-01-${(i + 1).toString().padLeft(2, '0')}',
+    },
+  );
+
+  List<PlutoColumn> get _columns => [
+        PlutoColumn(
+          title: 'ID',
+          field: 'id',
+          type: PlutoColumnType.text(),
+          width: 60,
+          enableEditingMode: false,
+        ),
+        PlutoColumn(
+          title: '이름',
+          field: 'name',
+          type: PlutoColumnType.text(),
+          width: 150,
+        ),
+        PlutoColumn(
+          title: '이메일',
+          field: 'email',
+          type: PlutoColumnType.text(),
+          width: 250,
+        ),
+        PlutoColumn(
+          title: '역할',
+          field: 'role',
+          type: PlutoColumnType.select(['admin', 'user']),
+          width: 100,
+        ),
+        PlutoColumn(
+          title: '상태',
+          field: 'status',
+          type: PlutoColumnType.select(['활성', '비활성']),
+          width: 100,
+        ),
+        PlutoColumn(
+          title: '가입일',
+          field: 'created_at',
+          type: PlutoColumnType.text(),
+          width: 150,
+          enableEditingMode: false,
+        ),
+      ];
+
+  List<PlutoRow> get _rows => _mockUsers
+      .map(
+        (user) => PlutoRow(
+          cells: {
+            'id': PlutoCell(value: user['id']),
+            'name': PlutoCell(value: user['name']),
+            'email': PlutoCell(value: user['email']),
+            'role': PlutoCell(value: user['role']),
+            'status': PlutoCell(value: user['status']),
+            'created_at': PlutoCell(value: user['created_at']),
+          },
+        ),
+      )
+      .toList();
+
+  void _showCreateUserDialog() {
+    final nameController = TextEditingController();
+    final emailController = TextEditingController();
+
+    showDialog<void>(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: const Text('새 사용자 추가'),
+        content: SizedBox(
+          width: 400,
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              TextField(
+                controller: nameController,
+                decoration: const InputDecoration(
+                  labelText: '이름',
+                  hintText: '사용자 이름 입력',
+                ),
+              ),
+              const Gap(16),
+              TextField(
+                controller: emailController,
+                decoration: const InputDecoration(
+                  labelText: '이메일',
+                  hintText: 'email@example.com',
+                ),
+              ),
+            ],
+          ),
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context),
+            child: const Text('취소'),
+          ),
+          FilledButton(
+            onPressed: () {
+              // TODO: API 연동
+              Navigator.pop(context);
+              if (mounted) {
+                context.showSnackBar('사용자가 추가되었습니다');
+              }
+            },
+            child: const Text('추가'),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Future<void> _deleteUser(PlutoRow row) async {
+    final confirmed = await ConfirmDialog.show(
+      context,
+      title: '사용자 삭제',
+      message: '정말로 이 사용자를 삭제하시겠습니까? 이 작업은 되돌릴 수 없습니다.',
+      confirmLabel: '삭제',
+      isDestructive: true,
+    );
+
+    if (confirmed == true) {
+      stateManager.removeRows([row]);
+      if (mounted) {
+        context.showSnackBar('사용자가 삭제되었습니다');
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.all(24),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          // 헤더
+          Row(
+            mainAxisAlignment: MainAxisAlignment.spaceBetween,
+            children: [
+              Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Text(
+                    '사용자 관리',
+                    style: context.textTheme.headlineMedium?.copyWith(
+                      fontWeight: FontWeight.bold,
+                    ),
+                  ),
+                  const Gap(4),
+                  Text(
+                    '사용자를 조회하고 관리하세요',
+                    style: context.textTheme.bodyMedium?.copyWith(
+                      color: context.colorScheme.onSurfaceVariant,
+                    ),
+                  ),
+                ],
+              ),
+              FilledButton.icon(
+                onPressed: _showCreateUserDialog,
+                icon: const Icon(Icons.person_add),
+                label: const Text('새 사용자'),
+              ),
+            ],
+          ),
+          const Gap(24),
+
+          // 데이터 그리드
+          Expanded(
+            child: Card(
+              clipBehavior: Clip.antiAlias,
+              child: PlutoGrid(
+                columns: _columns,
+                rows: _rows,
+                onLoaded: (event) {
+                  stateManager = event.stateManager;
+                },
+                onRowDoubleTap: (event) {
+                  // TODO: 사용자 상세 정보 다이얼로그
+                },
+                configuration: PlutoGridConfiguration(
+                  style: PlutoGridStyleConfig(
+                    gridBackgroundColor:
+                        context.colorScheme.surface,
+                    rowColor: context.colorScheme.surface,
+                    activatedColor:
+                        context.colorScheme.primaryContainer,
+                    activatedBorderColor: context.colorScheme.primary,
+                    gridBorderColor:
+                        context.colorScheme.outlineVariant,
+                    borderColor:
+                        context.colorScheme.outlineVariant,
+                    cellTextStyle:
+                        context.textTheme.bodyMedium!,
+                    columnTextStyle:
+                        context.textTheme.titleSmall!.copyWith(
+                      fontWeight: FontWeight.bold,
+                    ),
+                  ),
+                  columnSize: const PlutoGridColumnSizeConfig(
+                    autoSizeMode: PlutoAutoSizeMode.scale,
+                  ),
+                ),
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/lib/features/auth/data/datasources/auth_remote_source.dart b/lib/features/auth/data/datasources/auth_remote_source.dart
new file mode 100644
index 0000000..8ccfdd0
--- /dev/null
+++ b/lib/features/auth/data/datasources/auth_remote_source.dart
@@ -0,0 +1,28 @@
+import 'package:dio/dio.dart';
+import 'package:retrofit/retrofit.dart';
+
+import '../../../../core/constants/api_constants.dart';
+import '../models/login_request.dart';
+import '../models/register_request.dart';
+import '../models/token_response.dart';
+
+part 'auth_remote_source.g.dart';
+
+@RestApi()
+abstract class AuthRemoteSource {
+  factory AuthRemoteSource(Dio dio) = _AuthRemoteSource;
+
+  @POST(ApiConstants.login)
+  Future<TokenResponse> login(@Body() LoginRequest request);
+
+  @POST(ApiConstants.register)
+  Future<TokenResponse> register(@Body() RegisterRequest request);
+
+  @POST(ApiConstants.logout)
+  Future<void> logout();
+
+  @POST(ApiConstants.refreshToken)
+  Future<TokenResponse> refreshToken(
+    @Body() Map<String, String> body,
+  );
+}
diff --git a/lib/features/auth/data/models/login_request.dart b/lib/features/auth/data/models/login_request.dart
new file mode 100644
index 0000000..758fcb9
--- /dev/null
+++ b/lib/features/auth/data/models/login_request.dart
@@ -0,0 +1,15 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'login_request.freezed.dart';
+part 'login_request.g.dart';
+
+@freezed
+class LoginRequest with _$LoginRequest {
+  const factory LoginRequest({
+    required String email,
+    required String password,
+  }) = _LoginRequest;
+
+  factory LoginRequest.fromJson(Map<String, dynamic> json) =>
+      _$LoginRequestFromJson(json);
+}
diff --git a/lib/features/auth/data/models/register_request.dart b/lib/features/auth/data/models/register_request.dart
new file mode 100644
index 0000000..c9d4e72
--- /dev/null
+++ b/lib/features/auth/data/models/register_request.dart
@@ -0,0 +1,16 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'register_request.freezed.dart';
+part 'register_request.g.dart';
+
+@freezed
+class RegisterRequest with _$RegisterRequest {
+  const factory RegisterRequest({
+    required String email,
+    required String password,
+    required String name,
+  }) = _RegisterRequest;
+
+  factory RegisterRequest.fromJson(Map<String, dynamic> json) =>
+      _$RegisterRequestFromJson(json);
+}
diff --git a/lib/features/auth/data/models/token_response.dart b/lib/features/auth/data/models/token_response.dart
new file mode 100644
index 0000000..e2bf063
--- /dev/null
+++ b/lib/features/auth/data/models/token_response.dart
@@ -0,0 +1,16 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'token_response.freezed.dart';
+part 'token_response.g.dart';
+
+@freezed
+class TokenResponse with _$TokenResponse {
+  const factory TokenResponse({
+    @JsonKey(name: 'access_token') required String accessToken,
+    @JsonKey(name: 'refresh_token') required String refreshToken,
+    @JsonKey(name: 'token_type') @Default('bearer') String tokenType,
+  }) = _TokenResponse;
+
+  factory TokenResponse.fromJson(Map<String, dynamic> json) =>
+      _$TokenResponseFromJson(json);
+}
diff --git a/lib/features/auth/data/repositories/auth_repository_impl.dart b/lib/features/auth/data/repositories/auth_repository_impl.dart
new file mode 100644
index 0000000..4805d90
--- /dev/null
+++ b/lib/features/auth/data/repositories/auth_repository_impl.dart
@@ -0,0 +1,123 @@
+import 'dart:convert';
+
+import 'package:talker/talker.dart';
+
+import '../../../../core/constants/app_constants.dart';
+import '../../../../core/error/exceptions.dart';
+import '../../../../core/storage/secure_storage.dart';
+import '../../../../shared/models/user_role.dart';
+import '../../domain/entities/user.dart';
+import '../../domain/repositories/auth_repository.dart';
+import '../datasources/auth_remote_source.dart';
+import '../models/login_request.dart';
+import '../models/register_request.dart';
+
+class AuthRepositoryImpl implements AuthRepository {
+  AuthRepositoryImpl({
+    required this.remoteSource,
+    required this.secureStorage,
+    required this.talker,
+  });
+
+  final AuthRemoteSource remoteSource;
+  final SecureStorage secureStorage;
+  final Talker talker;
+
+  @override
+  Future<User> login({
+    required String email,
+    required String password,
+  }) async {
+    try {
+      final response = await remoteSource.login(
+        LoginRequest(email: email, password: password),
+      );
+
+      await _saveTokens(response.accessToken, response.refreshToken);
+
+      // 로그인 후 사용자 정보 조회
+      final user = await getCurrentUser();
+      if (user == null) {
+        throw const ServerException(
+          message: '사용자 정보를 가져올 수 없습니다',
+          statusCode: 500,
+        );
+      }
+      return user;
+    } catch (e) {
+      talker.error('Login failed', e);
+      rethrow;
+    }
+  }
+
+  @override
+  Future<User> register({
+    required String email,
+    required String password,
+    required String name,
+  }) async {
+    try {
+      final response = await remoteSource.register(
+        RegisterRequest(email: email, password: password, name: name),
+      );
+
+      await _saveTokens(response.accessToken, response.refreshToken);
+
+      return User(
+        id: '',
+        email: email,
+        name: name,
+        role: UserRole.user,
+      );
+    } catch (e) {
+      talker.error('Register failed', e);
+      rethrow;
+    }
+  }
+
+  @override
+  Future<void> logout() async {
+    try {
+      await remoteSource.logout();
+    } catch (_) {
+      // 서버 로그아웃 실패해도 로컬 토큰은 삭제
+    } finally {
+      await secureStorage.delete(key: AppConstants.accessTokenKey);
+      await secureStorage.delete(key: AppConstants.refreshTokenKey);
+      await secureStorage.delete(key: AppConstants.userKey);
+    }
+  }
+
+  @override
+  Future<User?> getCurrentUser() async {
+    try {
+      final userData = await secureStorage.read(key: AppConstants.userKey);
+      if (userData != null) {
+        return User.fromJson(
+          jsonDecode(userData) as Map<String, dynamic>,
+        );
+      }
+      return null;
+    } catch (e) {
+      talker.error('Get current user failed', e);
+      return null;
+    }
+  }
+
+  @override
+  Future<bool> isLoggedIn() async {
+    final token = await secureStorage.read(key: AppConstants.accessTokenKey);
+    return token != null;
+  }
+
+  Future<void> _saveTokens(String accessToken, String refreshToken) async {
+    await secureStorage.write(
+      key: AppConstants.accessTokenKey,
+      value: accessToken,
+    );
+    await secureStorage.write(
+      key: AppConstants.refreshTokenKey,
+      value: refreshToken,
+    );
+  }
+}
diff --git a/lib/features/auth/domain/entities/user.dart b/lib/features/auth/domain/entities/user.dart
new file mode 100644
index 0000000..45c875e
--- /dev/null
+++ b/lib/features/auth/domain/entities/user.dart
@@ -0,0 +1,22 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+import '../../../../shared/models/user_role.dart';
+
+part 'user.freezed.dart';
+part 'user.g.dart';
+
+@freezed
+class User with _$User {
+  const factory User({
+    required String id,
+    required String email,
+    required String name,
+    @Default(UserRole.user) UserRole role,
+    String? avatarUrl,
+    DateTime? createdAt,
+    DateTime? lastLoginAt,
+    @Default(true) bool isActive,
+  }) = _User;
+
+  factory User.fromJson(Map<String, dynamic> json) => _$UserFromJson(json);
+}
diff --git a/lib/features/auth/domain/repositories/auth_repository.dart b/lib/features/auth/domain/repositories/auth_repository.dart
new file mode 100644
index 0000000..2f78a6c
--- /dev/null
+++ b/lib/features/auth/domain/repositories/auth_repository.dart
@@ -0,0 +1,20 @@
+import '../entities/user.dart';
+
+abstract class AuthRepository {
+  Future<User> login({
+    required String email,
+    required String password,
+  });
+
+  Future<User> register({
+    required String email,
+    required String password,
+    required String name,
+  });
+
+  Future<void> logout();
+
+  Future<User?> getCurrentUser();
+
+  Future<bool> isLoggedIn();
+}
diff --git a/lib/features/auth/domain/usecases/login_usecase.dart b/lib/features/auth/domain/usecases/login_usecase.dart
new file mode 100644
index 0000000..e9d0b2f
--- /dev/null
+++ b/lib/features/auth/domain/usecases/login_usecase.dart
@@ -0,0 +1,15 @@
+import '../../domain/entities/user.dart';
+import '../../domain/repositories/auth_repository.dart';
+
+class LoginUseCase {
+  LoginUseCase({required this.repository});
+
+  final AuthRepository repository;
+
+  Future<User> call({
+    required String email,
+    required String password,
+  }) {
+    return repository.login(email: email, password: password);
+  }
+}
diff --git a/lib/features/auth/domain/usecases/logout_usecase.dart b/lib/features/auth/domain/usecases/logout_usecase.dart
new file mode 100644
index 0000000..ea1f45f
--- /dev/null
+++ b/lib/features/auth/domain/usecases/logout_usecase.dart
@@ -0,0 +1,9 @@
+import '../../domain/repositories/auth_repository.dart';
+
+class LogoutUseCase {
+  LogoutUseCase({required this.repository});
+
+  final AuthRepository repository;
+
+  Future<void> call() => repository.logout();
+}
diff --git a/lib/features/auth/domain/usecases/register_usecase.dart b/lib/features/auth/domain/usecases/register_usecase.dart
new file mode 100644
index 0000000..e977d25
--- /dev/null
+++ b/lib/features/auth/domain/usecases/register_usecase.dart
@@ -0,0 +1,20 @@
+import '../../domain/entities/user.dart';
+import '../../domain/repositories/auth_repository.dart';
+
+class RegisterUseCase {
+  RegisterUseCase({required this.repository});
+
+  final AuthRepository repository;
+
+  Future<User> call({
+    required String email,
+    required String password,
+    required String name,
+  }) {
+    return repository.register(
+      email: email,
+      password: password,
+      name: name,
+    );
+  }
+}
diff --git a/lib/features/auth/presentation/providers/auth_providers.dart b/lib/features/auth/presentation/providers/auth_providers.dart
new file mode 100644
index 0000000..ce4277d
--- /dev/null
+++ b/lib/features/auth/presentation/providers/auth_providers.dart
@@ -0,0 +1,78 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+import '../../../../core/logging/app_logger.dart';
+import '../../../../core/network/dio_client.dart';
+import '../../../../core/storage/secure_storage.dart';
+import '../../data/datasources/auth_remote_source.dart';
+import '../../data/repositories/auth_repository_impl.dart';
+import '../../domain/entities/user.dart';
+import '../../domain/repositories/auth_repository.dart';
+
+part 'auth_providers.g.dart';
+
+@Riverpod(keepAlive: true)
+AuthRemoteSource authRemoteSource(Ref ref) {
+  final dio = ref.read(dioProvider);
+  return AuthRemoteSource(dio);
+}
+
+@Riverpod(keepAlive: true)
+AuthRepository authRepository(Ref ref) {
+  return AuthRepositoryImpl(
+    remoteSource: ref.read(authRemoteSourceProvider),
+    secureStorage: ref.read(secureStorageProvider),
+    talker: ref.read(appLoggerProvider),
+  );
+}
+
+@riverpod
+class LoginNotifier extends _$LoginNotifier {
+  @override
+  FutureOr<void> build() {}
+
+  Future<User?> login({
+    required String email,
+    required String password,
+  }) async {
+    state = const AsyncLoading();
+    final result = await AsyncValue.guard(() async {
+      final repository = ref.read(authRepositoryProvider);
+      return repository.login(email: email, password: password);
+    });
+
+    state = result.hasError
+        ? AsyncError(result.error!, result.stackTrace!)
+        : const AsyncData(null);
+
+    return result.valueOrNull;
+  }
+}
+
+@riverpod
+class RegisterNotifier extends _$RegisterNotifier {
+  @override
+  FutureOr<void> build() {}
+
+  Future<User?> register({
+    required String email,
+    required String password,
+    required String name,
+  }) async {
+    state = const AsyncLoading();
+    final result = await AsyncValue.guard(() async {
+      final repository = ref.read(authRepositoryProvider);
+      return repository.register(
+        email: email,
+        password: password,
+        name: name,
+      );
+    });
+
+    state = result.hasError
+        ? AsyncError(result.error!, result.stackTrace!)
+        : const AsyncData(null);
+
+    return result.valueOrNull;
+  }
+}
diff --git a/lib/features/auth/presentation/screens/login_screen.dart b/lib/features/auth/presentation/screens/login_screen.dart
new file mode 100644
index 0000000..d53afcd
--- /dev/null
+++ b/lib/features/auth/presentation/screens/login_screen.dart
@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+
+import '../widgets/login_form.dart';
+
+class LoginScreen extends StatelessWidget {
+  const LoginScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Center(
+        child: SingleChildScrollView(
+          padding: const EdgeInsets.all(24),
+          child: ConstrainedBox(
+            constraints: const BoxConstraints(maxWidth: 400),
+            child: const Card(
+              child: Padding(
+                padding: EdgeInsets.all(32),
+                child: LoginForm(),
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
diff --git a/lib/features/auth/presentation/screens/register_screen.dart b/lib/features/auth/presentation/screens/register_screen.dart
new file mode 100644
index 0000000..d3587e6
--- /dev/null
+++ b/lib/features/auth/presentation/screens/register_screen.dart
@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+
+import '../widgets/register_form.dart';
+
+class RegisterScreen extends StatelessWidget {
+  const RegisterScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Center(
+        child: SingleChildScrollView(
+          padding: const EdgeInsets.all(24),
+          child: ConstrainedBox(
+            constraints: const BoxConstraints(maxWidth: 400),
+            child: const Card(
+              child: Padding(
+                padding: EdgeInsets.all(32),
+                child: RegisterForm(),
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
diff --git a/lib/features/auth/presentation/widgets/login_form.dart b/lib/features/auth/presentation/widgets/login_form.dart
new file mode 100644
index 0000000..88a0a59
--- /dev/null
+++ b/lib/features/auth/presentation/widgets/login_form.dart
@@ -0,0 +1,148 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:gap/gap.dart';
+import 'package:go_router/go_router.dart';
+import 'package:reactive_forms/reactive_forms.dart';
+
+import '../../../../core/router/route_names.dart';
+import '../../../../core/utils/extensions.dart';
+import '../../../../shared/providers/auth_provider.dart';
+import '../providers/auth_providers.dart';
+
+class LoginForm extends ConsumerStatefulWidget {
+  const LoginForm({super.key});
+
+  @override
+  ConsumerState<LoginForm> createState() => _LoginFormState();
+}
+
+class _LoginFormState extends ConsumerState<LoginForm> {
+  late final FormGroup form;
+
+  @override
+  void initState() {
+    super.initState();
+    form = FormGroup({
+      'email': FormControl<String>(
+        validators: [Validators.required, Validators.email],
+      ),
+      'password': FormControl<String>(
+        validators: [Validators.required, Validators.minLength(8)],
+      ),
+    });
+  }
+
+  @override
+  void dispose() {
+    form.dispose();
+    super.dispose();
+  }
+
+  Future<void> _onSubmit() async {
+    if (!form.valid) {
+      form.markAllAsTouched();
+      return;
+    }
+
+    final email = form.control('email').value as String;
+    final password = form.control('password').value as String;
+
+    final user = await ref.read(loginNotifierProvider.notifier).login(
+          email: email,
+          password: password,
+        );
+
+    if (user != null && mounted) {
+      ref.read(authStateProvider.notifier).setUser(user);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final loginState = ref.watch(loginNotifierProvider);
+
+    ref.listen(loginNotifierProvider, (_, state) {
+      if (state.hasError) {
+        context.showSnackBar(
+          '로그인에 실패했습니다. 이메일과 비밀번호를 확인해주세요.',
+          isError: true,
+        );
+      }
+    });
+
+    return ReactiveForm(
+      formGroup: form,
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Text(
+            '로그인',
+            style: context.textTheme.headlineMedium?.copyWith(
+              fontWeight: FontWeight.bold,
+            ),
+            textAlign: TextAlign.center,
+          ),
+          const Gap(8),
+          Text(
+            '계정에 로그인하세요',
+            style: context.textTheme.bodyMedium?.copyWith(
+              color: context.colorScheme.onSurfaceVariant,
+            ),
+            textAlign: TextAlign.center,
+          ),
+          const Gap(32),
+          ReactiveTextField<String>(
+            formControlName: 'email',
+            decoration: const InputDecoration(
+              labelText: '이메일',
+              hintText: 'email@example.com',
+              prefixIcon: Icon(Icons.email_outlined),
+            ),
+            keyboardType: TextInputType.emailAddress,
+            validationMessages: {
+              'required': (_) => '이메일을 입력해주세요',
+              'email': (_) => '올바른 이메일 형식이 아닙니다',
+            },
+          ),
+          const Gap(16),
+          ReactiveTextField<String>(
+            formControlName: 'password',
+            decoration: const InputDecoration(
+              labelText: '비밀번호',
+              hintText: '8자 이상 입력',
+              prefixIcon: Icon(Icons.lock_outlined),
+            ),
+            obscureText: true,
+            validationMessages: {
+              'required': (_) => '비밀번호를 입력해주세요',
+              'minLength': (_) => '비밀번호는 8자 이상이어야 합니다',
+            },
+          ),
+          const Gap(24),
+          FilledButton(
+            onPressed: loginState.isLoading ? null : _onSubmit,
+            child: loginState.isLoading
+                ? const SizedBox(
+                    height: 20,
+                    width: 20,
+                    child: CircularProgressIndicator(strokeWidth: 2),
+                  )
+                : const Text('로그인'),
+          ),
+          const Gap(16),
+          Row(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              const Text('계정이 없으신가요?'),
+              TextButton(
+                onPressed: () => context.goNamed(RouteNames.register),
+                child: const Text('회원가입'),
+              ),
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/lib/features/auth/presentation/widgets/register_form.dart b/lib/features/auth/presentation/widgets/register_form.dart
new file mode 100644
index 0000000..e6b5eaf
--- /dev/null
+++ b/lib/features/auth/presentation/widgets/register_form.dart
@@ -0,0 +1,184 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:gap/gap.dart';
+import 'package:go_router/go_router.dart';
+import 'package:reactive_forms/reactive_forms.dart';
+
+import '../../../../core/router/route_names.dart';
+import '../../../../core/utils/extensions.dart';
+import '../../../../shared/providers/auth_provider.dart';
+import '../providers/auth_providers.dart';
+
+class RegisterForm extends ConsumerStatefulWidget {
+  const RegisterForm({super.key});
+
+  @override
+  ConsumerState<RegisterForm> createState() => _RegisterFormState();
+}
+
+class _RegisterFormState extends ConsumerState<RegisterForm> {
+  late final FormGroup form;
+
+  @override
+  void initState() {
+    super.initState();
+    form = FormGroup({
+      'name': FormControl<String>(
+        validators: [Validators.required],
+      ),
+      'email': FormControl<String>(
+        validators: [Validators.required, Validators.email],
+      ),
+      'password': FormControl<String>(
+        validators: [Validators.required, Validators.minLength(8)],
+      ),
+      'confirmPassword': FormControl<String>(
+        validators: [Validators.required],
+      ),
+    }, validators: [
+      Validators.mustMatch('password', 'confirmPassword'),
+    ]);
+  }
+
+  @override
+  void dispose() {
+    form.dispose();
+    super.dispose();
+  }
+
+  Future<void> _onSubmit() async {
+    if (!form.valid) {
+      form.markAllAsTouched();
+      return;
+    }
+
+    final name = form.control('name').value as String;
+    final email = form.control('email').value as String;
+    final password = form.control('password').value as String;
+
+    final user = await ref.read(registerNotifierProvider.notifier).register(
+          email: email,
+          password: password,
+          name: name,
+        );
+
+    if (user != null && mounted) {
+      ref.read(authStateProvider.notifier).setUser(user);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final registerState = ref.watch(registerNotifierProvider);
+
+    ref.listen(registerNotifierProvider, (_, state) {
+      if (state.hasError) {
+        context.showSnackBar(
+          '회원가입에 실패했습니다. 입력 정보를 확인해주세요.',
+          isError: true,
+        );
+      }
+    });
+
+    return ReactiveForm(
+      formGroup: form,
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Text(
+            '회원가입',
+            style: context.textTheme.headlineMedium?.copyWith(
+              fontWeight: FontWeight.bold,
+            ),
+            textAlign: TextAlign.center,
+          ),
+          const Gap(8),
+          Text(
+            '새 계정을 만드세요',
+            style: context.textTheme.bodyMedium?.copyWith(
+              color: context.colorScheme.onSurfaceVariant,
+            ),
+            textAlign: TextAlign.center,
+          ),
+          const Gap(32),
+          ReactiveTextField<String>(
+            formControlName: 'name',
+            decoration: const InputDecoration(
+              labelText: '이름',
+              hintText: '홍길동',
+              prefixIcon: Icon(Icons.person_outlined),
+            ),
+            validationMessages: {
+              'required': (_) => '이름을 입력해주세요',
+            },
+          ),
+          const Gap(16),
+          ReactiveTextField<String>(
+            formControlName: 'email',
+            decoration: const InputDecoration(
+              labelText: '이메일',
+              hintText: 'email@example.com',
+              prefixIcon: Icon(Icons.email_outlined),
+            ),
+            keyboardType: TextInputType.emailAddress,
+            validationMessages: {
+              'required': (_) => '이메일을 입력해주세요',
+              'email': (_) => '올바른 이메일 형식이 아닙니다',
+            },
+          ),
+          const Gap(16),
+          ReactiveTextField<String>(
+            formControlName: 'password',
+            decoration: const InputDecoration(
+              labelText: '비밀번호',
+              hintText: '8자 이상 입력',
+              prefixIcon: Icon(Icons.lock_outlined),
+            ),
+            obscureText: true,
+            validationMessages: {
+              'required': (_) => '비밀번호를 입력해주세요',
+              'minLength': (_) => '비밀번호는 8자 이상이어야 합니다',
+            },
+          ),
+          const Gap(16),
+          ReactiveTextField<String>(
+            formControlName: 'confirmPassword',
+            decoration: const InputDecoration(
+              labelText: '비밀번호 확인',
+              hintText: '비밀번호를 다시 입력',
+              prefixIcon: Icon(Icons.lock_outlined),
+            ),
+            obscureText: true,
+            validationMessages: {
+              'required': (_) => '비밀번호 확인을 입력해주세요',
+              'mustMatch': (_) => '비밀번호가 일치하지 않습니다',
+            },
+          ),
+          const Gap(24),
+          FilledButton(
+            onPressed: registerState.isLoading ? null : _onSubmit,
+            child: registerState.isLoading
+                ? const SizedBox(
+                    height: 20,
+                    width: 20,
+                    child: CircularProgressIndicator(strokeWidth: 2),
+                  )
+                : const Text('회원가입'),
+          ),
+          const Gap(16),
+          Row(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              const Text('이미 계정이 있으신가요?'),
+              TextButton(
+                onPressed: () => context.goNamed(RouteNames.login),
+                child: const Text('로그인'),
+              ),
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/lib/features/dashboard/presentation/screens/dashboard_screen.dart b/lib/features/dashboard/presentation/screens/dashboard_screen.dart
new file mode 100644
index 0000000..1bb8386
--- /dev/null
+++ b/lib/features/dashboard/presentation/screens/dashboard_screen.dart
@@ -0,0 +1,265 @@
+import 'package:fl_chart/fl_chart.dart';
+import 'package:flutter/material.dart';
+import 'package:gap/gap.dart';
+
+import '../../../../core/utils/extensions.dart';
+import '../../../../shared/widgets/chart_widgets/bar_chart_widget.dart';
+import '../../../../shared/widgets/chart_widgets/pie_chart_widget.dart';
+import '../widgets/monitoring_panel.dart';
+import '../widgets/realtime_chart.dart';
+import '../widgets/stats_card.dart';
+
+class DashboardScreen extends StatelessWidget {
+  const DashboardScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return SingleChildScrollView(
+      padding: const EdgeInsets.all(24),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(
+            '대시보드',
+            style: context.textTheme.headlineMedium?.copyWith(
+              fontWeight: FontWeight.bold,
+            ),
+          ),
+          const Gap(8),
+          Text(
+            '실시간 데이터와 시스템 현황을 모니터링하세요',
+            style: context.textTheme.bodyLarge?.copyWith(
+              color: context.colorScheme.onSurfaceVariant,
+            ),
+          ),
+          const Gap(24),
+
+          // 통계 카드
+          LayoutBuilder(
+            builder: (context, constraints) {
+              final crossAxisCount = context.isDesktop
+                  ? 4
+                  : context.isTablet
+                      ? 2
+                      : 1;
+              return GridView.count(
+                crossAxisCount: crossAxisCount,
+                shrinkWrap: true,
+                physics: const NeverScrollableScrollPhysics(),
+                mainAxisSpacing: 16,
+                crossAxisSpacing: 16,
+                childAspectRatio: 1.8,
+                children: const [
+                  StatsCard(
+                    title: '총 사용자',
+                    value: '1,234',
+                    icon: Icons.people,
+                    iconColor: Colors.blue,
+                    change: '+12%',
+                    isPositive: true,
+                    subtitle: '전월 대비',
+                  ),
+                  StatsCard(
+                    title: '활성 세션',
+                    value: '89',
+                    icon: Icons.devices,
+                    iconColor: Colors.green,
+                    change: '+5',
+                    isPositive: true,
+                    subtitle: '현재 접속',
+                  ),
+                  StatsCard(
+                    title: '요청 수',
+                    value: '24.5K',
+                    icon: Icons.trending_up,
+                    iconColor: Colors.orange,
+                    change: '+18%',
+                    isPositive: true,
+                    subtitle: '오늘',
+                  ),
+                  StatsCard(
+                    title: '평균 응답시간',
+                    value: '142ms',
+                    icon: Icons.speed,
+                    iconColor: Colors.purple,
+                    change: '-8ms',
+                    isPositive: true,
+                    subtitle: '지난 1시간',
+                  ),
+                ],
+              );
+            },
+          ),
+          const Gap(24),
+
+          // 실시간 차트 + 모니터링 패널
+          LayoutBuilder(
+            builder: (context, constraints) {
+              if (context.isDesktop) {
+                return Row(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    const Expanded(
+                      flex: 2,
+                      child: SizedBox(
+                        height: 350,
+                        child: RealtimeChart(
+                          title: '실시간 트래픽',
+                        ),
+                      ),
+                    ),
+                    const Gap(16),
+                    const Expanded(
+                      child: MonitoringPanel(),
+                    ),
+                  ],
+                );
+              }
+              return Column(
+                children: const [
+                  SizedBox(
+                    height: 350,
+                    child: RealtimeChart(
+                      title: '실시간 트래픽',
+                    ),
+                  ),
+                  Gap(16),
+                  MonitoringPanel(),
+                ],
+              );
+            },
+          ),
+          const Gap(24),
+
+          // 바 차트 + 파이 차트
+          LayoutBuilder(
+            builder: (context, constraints) {
+              final charts = [
+                SizedBox(
+                  height: 300,
+                  child: Card(
+                    child: Padding(
+                      padding: const EdgeInsets.all(20),
+                      child: BarChartWidget(
+                        title: '일별 API 요청',
+                        maxY: 100,
+                        barGroups: List.generate(
+                          7,
+                          (i) => BarChartGroupData(
+                            x: i,
+                            barRods: [
+                              BarChartRodData(
+                                toY: [30, 45, 60, 38, 72, 55, 40][i]
+                                    .toDouble(),
+                                color:
+                                    context.colorScheme.primary,
+                                width: 16,
+                                borderRadius:
+                                    const BorderRadius.vertical(
+                                  top: Radius.circular(4),
+                                ),
+                              ),
+                            ],
+                          ),
+                        ),
+                        bottomTitles: (value, meta) => SideTitleWidget(
+                          meta: meta,
+                          child: Text(
+                            ['월', '화', '수', '목', '금', '토', '일']
+                                [value.toInt() % 7],
+                            style: Theme.of(context).textTheme.bodySmall,
+                          ),
+                        ),
+                      ),
+                    ),
+                  ),
+                ),
+                SizedBox(
+                  height: 300,
+                  child: Card(
+                    child: Padding(
+                      padding: const EdgeInsets.all(20),
+                      child: PieChartWidget(
+                        title: '사용자 분포',
+                        sections: [
+                          PieChartSectionData(
+                            value: 45,
+                            color: Colors.blue,
+                            title: '45%',
+                            radius: 50,
+                            titleStyle: const TextStyle(
+                              color: Colors.white,
+                              fontWeight: FontWeight.bold,
+                              fontSize: 12,
+                            ),
+                          ),
+                          PieChartSectionData(
+                            value: 30,
+                            color: Colors.green,
+                            title: '30%',
+                            radius: 50,
+                            titleStyle: const TextStyle(
+                              color: Colors.white,
+                              fontWeight: FontWeight.bold,
+                              fontSize: 12,
+                            ),
+                          ),
+                          PieChartSectionData(
+                            value: 15,
+                            color: Colors.orange,
+                            title: '15%',
+                            radius: 50,
+                            titleStyle: const TextStyle(
+                              color: Colors.white,
+                              fontWeight: FontWeight.bold,
+                              fontSize: 12,
+                            ),
+                          ),
+                          PieChartSectionData(
+                            value: 10,
+                            color: Colors.purple,
+                            title: '10%',
+                            radius: 50,
+                            titleStyle: const TextStyle(
+                              color: Colors.white,
+                              fontWeight: FontWeight.bold,
+                              fontSize: 12,
+                            ),
+                          ),
+                        ],
+                        legendItems: const [
+                          LegendItem(label: '웹', color: Colors.blue),
+                          LegendItem(label: 'Android', color: Colors.green),
+                          LegendItem(label: 'iOS', color: Colors.orange),
+                          LegendItem(label: '기타', color: Colors.purple),
+                        ],
+                      ),
+                    ),
+                  ),
+                ),
+              ];
+
+              if (context.isDesktop) {
+                return Row(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Expanded(child: charts[0]),
+                    const Gap(16),
+                    Expanded(child: charts[1]),
+                  ],
+                );
+              }
+              return Column(
+                children: [
+                  charts[0],
+                  const Gap(16),
+                  charts[1],
+                ],
+              );
+            },
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/lib/features/dashboard/presentation/widgets/monitoring_panel.dart b/lib/features/dashboard/presentation/widgets/monitoring_panel.dart
new file mode 100644
index 0000000..29aea6a
--- /dev/null
+++ b/lib/features/dashboard/presentation/widgets/monitoring_panel.dart
@@ -0,0 +1,187 @@
+import 'package:flutter/material.dart';
+import 'package:gap/gap.dart';
+
+class MonitoringPanel extends StatelessWidget {
+  const MonitoringPanel({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return Card(
+      child: Padding(
+        padding: const EdgeInsets.all(20),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Text(
+              '시스템 모니터링',
+              style: theme.textTheme.titleMedium?.copyWith(
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+            const Gap(16),
+            _MonitoringItem(
+              label: 'CPU 사용률',
+              value: 0.45,
+              displayValue: '45%',
+              color: Colors.blue,
+            ),
+            const Gap(12),
+            _MonitoringItem(
+              label: '메모리 사용률',
+              value: 0.62,
+              displayValue: '62%',
+              color: Colors.orange,
+            ),
+            const Gap(12),
+            _MonitoringItem(
+              label: '디스크 사용률',
+              value: 0.35,
+              displayValue: '35%',
+              color: Colors.green,
+            ),
+            const Gap(12),
+            _MonitoringItem(
+              label: '네트워크 I/O',
+              value: 0.78,
+              displayValue: '78 Mbps',
+              color: Colors.purple,
+            ),
+            const Gap(16),
+            const Divider(),
+            const Gap(12),
+
+            // 서비스 상태
+            Text(
+              '서비스 상태',
+              style: theme.textTheme.titleSmall?.copyWith(
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+            const Gap(12),
+            const _ServiceStatus(
+              name: 'API 서버',
+              status: ServiceState.running,
+            ),
+            const _ServiceStatus(
+              name: 'WebSocket',
+              status: ServiceState.running,
+            ),
+            const _ServiceStatus(
+              name: '데이터베이스',
+              status: ServiceState.running,
+            ),
+            const _ServiceStatus(
+              name: '캐시 서버',
+              status: ServiceState.warning,
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _MonitoringItem extends StatelessWidget {
+  const _MonitoringItem({
+    required this.label,
+    required this.value,
+    required this.displayValue,
+    required this.color,
+  });
+
+  final String label;
+  final double value;
+  final String displayValue;
+  final Color color;
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Row(
+          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          children: [
+            Text(label, style: theme.textTheme.bodyMedium),
+            Text(
+              displayValue,
+              style: theme.textTheme.bodyMedium?.copyWith(
+                fontWeight: FontWeight.w600,
+              ),
+            ),
+          ],
+        ),
+        const Gap(6),
+        ClipRRect(
+          borderRadius: BorderRadius.circular(4),
+          child: LinearProgressIndicator(
+            value: value,
+            backgroundColor: color.withValues(alpha: 0.1),
+            valueColor: AlwaysStoppedAnimation(color),
+            minHeight: 8,
+          ),
+        ),
+      ],
+    );
+  }
+}
+
+enum ServiceState { running, stopped, warning }
+
+class _ServiceStatus extends StatelessWidget {
+  const _ServiceStatus({
+    required this.name,
+    required this.status,
+  });
+
+  final String name;
+  final ServiceState status;
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final (color, label) = switch (status) {
+      ServiceState.running => (Colors.green, '정상'),
+      ServiceState.stopped => (Colors.red, '중지'),
+      ServiceState.warning => (Colors.orange, '경고'),
+    };
+
+    return Padding(
+      padding: const EdgeInsets.symmetric(vertical: 6),
+      child: Row(
+        children: [
+          Container(
+            width: 10,
+            height: 10,
+            decoration: BoxDecoration(
+              color: color,
+              shape: BoxShape.circle,
+            ),
+          ),
+          const Gap(10),
+          Expanded(
+            child: Text(name, style: theme.textTheme.bodyMedium),
+          ),
+          Container(
+            padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
+            decoration: BoxDecoration(
+              color: color.withValues(alpha: 0.1),
+              borderRadius: BorderRadius.circular(4),
+            ),
+            child: Text(
+              label,
+              style: theme.textTheme.bodySmall?.copyWith(
+                color: color,
+                fontWeight: FontWeight.w600,
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/lib/features/dashboard/presentation/widgets/realtime_chart.dart b/lib/features/dashboard/presentation/widgets/realtime_chart.dart
new file mode 100644
index 0000000..223e810
--- /dev/null
+++ b/lib/features/dashboard/presentation/widgets/realtime_chart.dart
@@ -0,0 +1,182 @@
+import 'dart:async';
+import 'dart:math';
+
+import 'package:fl_chart/fl_chart.dart';
+import 'package:flutter/material.dart';
+import 'package:gap/gap.dart';
+
+class RealtimeChart extends StatefulWidget {
+  const RealtimeChart({
+    this.title = '실시간 데이터',
+    this.dataStream,
+    this.maxDataPoints = 30,
+    this.lineColor,
+    super.key,
+  });
+
+  final String title;
+  final Stream<double>? dataStream;
+  final int maxDataPoints;
+  final Color? lineColor;
+
+  @override
+  State<RealtimeChart> createState() => _RealtimeChartState();
+}
+
+class _RealtimeChartState extends State<RealtimeChart> {
+  final List<FlSpot> _spots = [];
+  StreamSubscription<double>? _subscription;
+  Timer? _mockTimer;
+  int _index = 0;
+  final _random = Random();
+
+  @override
+  void initState() {
+    super.initState();
+    if (widget.dataStream != null) {
+      _subscription = widget.dataStream!.listen(_addDataPoint);
+    } else {
+      // Mock 데이터 생성 (WebSocket 미연결 시)
+      _mockTimer = Timer.periodic(const Duration(seconds: 1), (_) {
+        _addDataPoint(50 + _random.nextDouble() * 50);
+      });
+    }
+  }
+
+  void _addDataPoint(double value) {
+    setState(() {
+      _spots.add(FlSpot(_index.toDouble(), value));
+      if (_spots.length > widget.maxDataPoints) {
+        _spots.removeAt(0);
+      }
+      _index++;
+    });
+  }
+
+  @override
+  void dispose() {
+    _subscription?.cancel();
+    _mockTimer?.cancel();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final color = widget.lineColor ?? theme.colorScheme.primary;
+
+    return Card(
+      child: Padding(
+        padding: const EdgeInsets.all(20),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Row(
+              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+              children: [
+                Text(
+                  widget.title,
+                  style: theme.textTheme.titleMedium?.copyWith(
+                    fontWeight: FontWeight.bold,
+                  ),
+                ),
+                Container(
+                  padding: const EdgeInsets.symmetric(
+                    horizontal: 8,
+                    vertical: 4,
+                  ),
+                  decoration: BoxDecoration(
+                    color: Colors.green.withValues(alpha: 0.1),
+                    borderRadius: BorderRadius.circular(12),
+                  ),
+                  child: Row(
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      Container(
+                        width: 8,
+                        height: 8,
+                        decoration: const BoxDecoration(
+                          color: Colors.green,
+                          shape: BoxShape.circle,
+                        ),
+                      ),
+                      const Gap(4),
+                      Text(
+                        'LIVE',
+                        style: theme.textTheme.bodySmall?.copyWith(
+                          color: Colors.green,
+                          fontWeight: FontWeight.bold,
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ],
+            ),
+            const Gap(16),
+            Expanded(
+              child: _spots.length < 2
+                  ? const Center(child: CircularProgressIndicator())
+                  : LineChart(
+                      LineChartData(
+                        gridData: FlGridData(
+                          show: true,
+                          drawVerticalLine: false,
+                          horizontalInterval: 25,
+                          getDrawingHorizontalLine: (value) => FlLine(
+                            color: theme.colorScheme.outlineVariant
+                                .withValues(alpha: 0.3),
+                            strokeWidth: 1,
+                          ),
+                        ),
+                        titlesData: const FlTitlesData(
+                          topTitles: AxisTitles(
+                            sideTitles: SideTitles(showTitles: false),
+                          ),
+                          rightTitles: AxisTitles(
+                            sideTitles: SideTitles(showTitles: false),
+                          ),
+                          bottomTitles: AxisTitles(
+                            sideTitles: SideTitles(showTitles: false),
+                          ),
+                          leftTitles: AxisTitles(
+                            sideTitles: SideTitles(
+                              showTitles: true,
+                              reservedSize: 40,
+                            ),
+                          ),
+                        ),
+                        borderData: FlBorderData(show: false),
+                        minY: 0,
+                        maxY: 100,
+                        lineBarsData: [
+                          LineChartBarData(
+                            spots: _spots,
+                            isCurved: true,
+                            color: color,
+                            barWidth: 2,
+                            isStrokeCapRound: true,
+                            dotData: const FlDotData(show: false),
+                            belowBarData: BarAreaData(
+                              show: true,
+                              gradient: LinearGradient(
+                                colors: [
+                                  color.withValues(alpha: 0.3),
+                                  color.withValues(alpha: 0.0),
+                                ],
+                                begin: Alignment.topCenter,
+                                end: Alignment.bottomCenter,
+                              ),
+                            ),
+                          ),
+                        ],
+                      ),
+                      duration: const Duration(milliseconds: 150),
+                    ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/lib/features/dashboard/presentation/widgets/stats_card.dart b/lib/features/dashboard/presentation/widgets/stats_card.dart
new file mode 100644
index 0000000..87bae01
--- /dev/null
+++ b/lib/features/dashboard/presentation/widgets/stats_card.dart
@@ -0,0 +1,105 @@
+import 'package:flutter/material.dart';
+import 'package:gap/gap.dart';
+
+class StatsCard extends StatelessWidget {
+  const StatsCard({
+    required this.title,
+    required this.value,
+    this.icon,
+    this.iconColor,
+    this.change,
+    this.isPositive,
+    this.subtitle,
+    super.key,
+  });
+
+  final String title;
+  final String value;
+  final IconData? icon;
+  final Color? iconColor;
+  final String? change;
+  final bool? isPositive;
+  final String? subtitle;
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return Card(
+      child: Padding(
+        padding: const EdgeInsets.all(20),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          children: [
+            Row(
+              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+              children: [
+                Expanded(
+                  child: Text(
+                    title,
+                    style: theme.textTheme.bodyMedium?.copyWith(
+                      color: theme.colorScheme.onSurfaceVariant,
+                    ),
+                    overflow: TextOverflow.ellipsis,
+                  ),
+                ),
+                if (icon != null)
+                  Icon(
+                    icon,
+                    color: iconColor ?? theme.colorScheme.primary,
+                    size: 24,
+                  ),
+              ],
+            ),
+            const Gap(8),
+            Row(
+              crossAxisAlignment: CrossAxisAlignment.end,
+              children: [
+                Text(
+                  value,
+                  style: theme.textTheme.headlineMedium?.copyWith(
+                    fontWeight: FontWeight.bold,
+                  ),
+                ),
+                if (change != null) ...[
+                  const Gap(8),
+                  Container(
+                    padding: const EdgeInsets.symmetric(
+                      horizontal: 6,
+                      vertical: 2,
+                    ),
+                    decoration: BoxDecoration(
+                      color: (isPositive ?? true)
+                          ? Colors.green.withValues(alpha: 0.1)
+                          : Colors.red.withValues(alpha: 0.1),
+                      borderRadius: BorderRadius.circular(4),
+                    ),
+                    child: Text(
+                      change!,
+                      style: theme.textTheme.bodySmall?.copyWith(
+                        color: (isPositive ?? true)
+                            ? Colors.green
+                            : Colors.red,
+                        fontWeight: FontWeight.w600,
+                      ),
+                    ),
+                  ),
+                ],
+              ],
+            ),
+            if (subtitle != null) ...[
+              const Gap(4),
+              Text(
+                subtitle!,
+                style: theme.textTheme.bodySmall?.copyWith(
+                  color: theme.colorScheme.onSurfaceVariant,
+                ),
+              ),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/lib/features/user/presentation/screens/user_home_screen.dart b/lib/features/user/presentation/screens/user_home_screen.dart
new file mode 100644
index 0000000..65b364d
--- /dev/null
+++ b/lib/features/user/presentation/screens/user_home_screen.dart
@@ -0,0 +1,166 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:gap/gap.dart';
+
+import '../../../../core/utils/extensions.dart';
+import '../../../../shared/providers/auth_provider.dart';
+
+class UserHomeScreen extends ConsumerWidget {
+  const UserHomeScreen({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final authState = ref.watch(authStateProvider);
+
+    return SingleChildScrollView(
+      padding: const EdgeInsets.all(24),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          // 환영 메시지
+          authState.when(
+            data: (user) => Text(
+              '안녕하세요, ${user?.name ?? '사용자'}님!',
+              style: context.textTheme.headlineMedium?.copyWith(
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+            loading: () => const SizedBox.shrink(),
+            error: (_, __) => const SizedBox.shrink(),
+          ),
+          const Gap(8),
+          Text(
+            '오늘의 요약을 확인하세요',
+            style: context.textTheme.bodyLarge?.copyWith(
+              color: context.colorScheme.onSurfaceVariant,
+            ),
+          ),
+          const Gap(24),
+
+          // 요약 카드 그리드
+          LayoutBuilder(
+            builder: (context, constraints) {
+              final crossAxisCount = context.isDesktop
+                  ? 4
+                  : context.isTablet
+                      ? 2
+                      : 1;
+              return GridView.count(
+                crossAxisCount: crossAxisCount,
+                shrinkWrap: true,
+                physics: const NeverScrollableScrollPhysics(),
+                mainAxisSpacing: 16,
+                crossAxisSpacing: 16,
+                childAspectRatio: 1.8,
+                children: const [
+                  _SummaryCard(
+                    title: '진행중 작업',
+                    value: '12',
+                    icon: Icons.pending_actions,
+                    color: Colors.blue,
+                  ),
+                  _SummaryCard(
+                    title: '완료된 작업',
+                    value: '48',
+                    icon: Icons.check_circle_outline,
+                    color: Colors.green,
+                  ),
+                  _SummaryCard(
+                    title: '알림',
+                    value: '3',
+                    icon: Icons.notifications_outlined,
+                    color: Colors.orange,
+                  ),
+                  _SummaryCard(
+                    title: '메시지',
+                    value: '7',
+                    icon: Icons.mail_outlined,
+                    color: Colors.purple,
+                  ),
+                ],
+              );
+            },
+          ),
+          const Gap(24),
+
+          // 최근 활동
+          Text(
+            '최근 활동',
+            style: context.textTheme.titleLarge?.copyWith(
+              fontWeight: FontWeight.bold,
+            ),
+          ),
+          const Gap(16),
+          Card(
+            child: ListView.separated(
+              shrinkWrap: true,
+              physics: const NeverScrollableScrollPhysics(),
+              itemCount: 5,
+              separatorBuilder: (_, __) => const Divider(height: 1),
+              itemBuilder: (context, index) => ListTile(
+                leading: CircleAvatar(
+                  backgroundColor:
+                      context.colorScheme.primaryContainer,
+                  child: Icon(
+                    Icons.task_alt,
+                    color: context.colorScheme.primary,
+                  ),
+                ),
+                title: Text('활동 항목 ${index + 1}'),
+                subtitle: Text('${index + 1}시간 전'),
+                trailing: const Icon(Icons.chevron_right),
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _SummaryCard extends StatelessWidget {
+  const _SummaryCard({
+    required this.title,
+    required this.value,
+    required this.icon,
+    required this.color,
+  });
+
+  final String title;
+  final String value;
+  final IconData icon;
+  final Color color;
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      child: Padding(
+        padding: const EdgeInsets.all(20),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          children: [
+            Row(
+              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+              children: [
+                Text(
+                  title,
+                  style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                        color: Theme.of(context).colorScheme.onSurfaceVariant,
+                      ),
+                ),
+                Icon(icon, color: color, size: 24),
+              ],
+            ),
+            Text(
+              value,
+              style: Theme.of(context).textTheme.headlineMedium?.copyWith(
+                    fontWeight: FontWeight.bold,
+                  ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/lib/features/user/presentation/screens/user_profile_screen.dart b/lib/features/user/presentation/screens/user_profile_screen.dart
new file mode 100644
index 0000000..50fd778
--- /dev/null
+++ b/lib/features/user/presentation/screens/user_profile_screen.dart
@@ -0,0 +1,172 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:gap/gap.dart';
+
+import '../../../../core/utils/extensions.dart';
+import '../../../../shared/providers/auth_provider.dart';
+
+class UserProfileScreen extends ConsumerWidget {
+  const UserProfileScreen({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final authState = ref.watch(authStateProvider);
+
+    return SingleChildScrollView(
+      padding: const EdgeInsets.all(24),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(
+            '프로필',
+            style: context.textTheme.headlineMedium?.copyWith(
+              fontWeight: FontWeight.bold,
+            ),
+          ),
+          const Gap(24),
+
+          // 프로필 카드
+          Center(
+            child: ConstrainedBox(
+              constraints: const BoxConstraints(maxWidth: 600),
+              child: Card(
+                child: Padding(
+                  padding: const EdgeInsets.all(32),
+                  child: authState.when(
+                    data: (user) => Column(
+                      children: [
+                        // 아바타
+                        CircleAvatar(
+                          radius: 50,
+                          backgroundColor:
+                              context.colorScheme.primaryContainer,
+                          child: Text(
+                            (user?.name ?? 'U').substring(0, 1).toUpperCase(),
+                            style: context.textTheme.headlineLarge?.copyWith(
+                              color: context.colorScheme.primary,
+                            ),
+                          ),
+                        ),
+                        const Gap(16),
+                        Text(
+                          user?.name ?? '사용자',
+                          style: context.textTheme.headlineSmall?.copyWith(
+                            fontWeight: FontWeight.bold,
+                          ),
+                        ),
+                        const Gap(4),
+                        Text(
+                          user?.email ?? '',
+                          style: context.textTheme.bodyLarge?.copyWith(
+                            color: context.colorScheme.onSurfaceVariant,
+                          ),
+                        ),
+                        const Gap(8),
+                        Chip(
+                          label: Text(
+                            user?.role.value.toUpperCase() ?? 'USER',
+                          ),
+                          backgroundColor:
+                              context.colorScheme.secondaryContainer,
+                        ),
+                        const Gap(32),
+                        const Divider(),
+                        const Gap(16),
+
+                        // 프로필 정보 목록
+                        _ProfileInfoTile(
+                          icon: Icons.person_outlined,
+                          label: '이름',
+                          value: user?.name ?? '-',
+                        ),
+                        _ProfileInfoTile(
+                          icon: Icons.email_outlined,
+                          label: '이메일',
+                          value: user?.email ?? '-',
+                        ),
+                        _ProfileInfoTile(
+                          icon: Icons.shield_outlined,
+                          label: '역할',
+                          value: user?.role.value ?? '-',
+                        ),
+                        _ProfileInfoTile(
+                          icon: Icons.calendar_today_outlined,
+                          label: '가입일',
+                          value: user?.createdAt?.toString().split(' ').first ??
+                              '-',
+                        ),
+                        const Gap(24),
+
+                        // 프로필 수정 버튼
+                        SizedBox(
+                          width: double.infinity,
+                          child: FilledButton.icon(
+                            onPressed: () {
+                              // TODO: 프로필 수정 기능
+                            },
+                            icon: const Icon(Icons.edit),
+                            label: const Text('프로필 수정'),
+                          ),
+                        ),
+                      ],
+                    ),
+                    loading: () => const Center(
+                      child: CircularProgressIndicator(),
+                    ),
+                    error: (error, _) => Center(
+                      child: Text('오류: $error'),
+                    ),
+                  ),
+                ),
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _ProfileInfoTile extends StatelessWidget {
+  const _ProfileInfoTile({
+    required this.icon,
+    required this.label,
+    required this.value,
+  });
+
+  final IconData icon;
+  final String label;
+  final String value;
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.symmetric(vertical: 8),
+      child: Row(
+        children: [
+          Icon(
+            icon,
+            size: 20,
+            color: Theme.of(context).colorScheme.onSurfaceVariant,
+          ),
+          const Gap(12),
+          SizedBox(
+            width: 80,
+            child: Text(
+              label,
+              style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                    color: Theme.of(context).colorScheme.onSurfaceVariant,
+                  ),
+            ),
+          ),
+          Expanded(
+            child: Text(
+              value,
+              style: Theme.of(context).textTheme.bodyMedium,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
diff --git a/lib/l10n/app_ko.arb b/lib/l10n/app_ko.arb
new file mode 100644
index 0000000..45b6254
--- /dev/null
+++ b/lib/l10n/app_ko.arb
@@ -0,0 +1,39 @@
+{
+  "@@locale": "ko",
+  "appTitle": "Flutter Frame",
+  "@appTitle": {
+    "description": "앱 타이틀"
+  },
+  "login": "로그인",
+  "register": "회원가입",
+  "logout": "로그아웃",
+  "email": "이메일",
+  "password": "비밀번호",
+  "passwordConfirm": "비밀번호 확인",
+  "name": "이름",
+  "home": "홈",
+  "profile": "프로필",
+  "dashboard": "대시보드",
+  "settings": "설정",
+  "userManagement": "사용자 관리",
+  "save": "저장",
+  "cancel": "취소",
+  "confirm": "확인",
+  "delete": "삭제",
+  "edit": "수정",
+  "add": "추가",
+  "search": "검색",
+  "loading": "로딩 중...",
+  "error": "오류가 발생했습니다",
+  "retry": "다시 시도",
+  "noData": "데이터가 없습니다",
+  "networkError": "네트워크 연결을 확인해주세요",
+  "unauthorized": "인증이 필요합니다",
+  "loginFailed": "로그인에 실패했습니다",
+  "registerSuccess": "회원가입이 완료되었습니다",
+  "logoutSuccess": "로그아웃되었습니다",
+  "deleteConfirm": "정말로 삭제하시겠습니까?",
+  "themeLight": "라이트 모드",
+  "themeDark": "다크 모드",
+  "themeSystem": "시스템 설정"
+}
diff --git a/lib/main.dart b/lib/main.dart
new file mode 100644
index 0000000..62c0b40
--- /dev/null
+++ b/lib/main.dart
@@ -0,0 +1,25 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:talker_riverpod_logger/talker_riverpod_logger.dart';
+
+import 'app/app.dart';
+import 'core/logging/app_logger.dart';
+
+void main() {
+  WidgetsFlutterBinding.ensureInitialized();
+
+  // Talker 로거 생성 (ProviderScope 밖에서도 사용 가능하도록)
+  final container = ProviderContainer();
+  final talker = container.read(appLoggerProvider);
+
+  talker.info('App starting...');
+
+  runApp(
+    ProviderScope(
+      observers: [
+        TalkerRiverpodObserver(talker: talker),
+      ],
+      child: const App(),
+    ),
+  );
+}
diff --git a/lib/shared/models/api_response.dart b/lib/shared/models/api_response.dart
new file mode 100644
index 0000000..1116f26
--- /dev/null
+++ b/lib/shared/models/api_response.dart
@@ -0,0 +1,20 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'api_response.freezed.dart';
+part 'api_response.g.dart';
+
+@Freezed(genericArgumentFactories: true)
+class ApiResponse<T> with _$ApiResponse<T> {
+  const factory ApiResponse({
+    required bool success,
+    required T data,
+    String? message,
+    @Default(200) int statusCode,
+  }) = _ApiResponse<T>;
+
+  factory ApiResponse.fromJson(
+    Map<String, dynamic> json,
+    T Function(Object?) fromJsonT,
+  ) =>
+      _$ApiResponseFromJson(json, fromJsonT);
+}
diff --git a/lib/shared/models/pagination.dart b/lib/shared/models/pagination.dart
new file mode 100644
index 0000000..d7c4e12
--- /dev/null
+++ b/lib/shared/models/pagination.dart
@@ -0,0 +1,23 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'pagination.freezed.dart';
+part 'pagination.g.dart';
+
+@Freezed(genericArgumentFactories: true)
+class PaginatedResponse<T> with _$PaginatedResponse<T> {
+  const factory PaginatedResponse({
+    required List<T> items,
+    required int total,
+    required int page,
+    @JsonKey(name: 'page_size') required int pageSize,
+    @JsonKey(name: 'total_pages') required int totalPages,
+    @JsonKey(name: 'has_next') @Default(false) bool hasNext,
+    @JsonKey(name: 'has_prev') @Default(false) bool hasPrev,
+  }) = _PaginatedResponse<T>;
+
+  factory PaginatedResponse.fromJson(
+    Map<String, dynamic> json,
+    T Function(Object?) fromJsonT,
+  ) =>
+      _$PaginatedResponseFromJson(json, fromJsonT);
+}
diff --git a/lib/shared/models/user_role.dart b/lib/shared/models/user_role.dart
new file mode 100644
index 0000000..8837d2c
--- /dev/null
+++ b/lib/shared/models/user_role.dart
@@ -0,0 +1,18 @@
+import 'package:json_annotation/json_annotation.dart';
+
+@JsonEnum(valueField: 'value')
+enum UserRole {
+  admin('admin'),
+  user('user');
+
+  const UserRole(this.value);
+
+  final String value;
+
+  static UserRole fromString(String value) {
+    return UserRole.values.firstWhere(
+      (role) => role.value == value,
+      orElse: () => UserRole.user,
+    );
+  }
+}
diff --git a/lib/shared/providers/auth_provider.dart b/lib/shared/providers/auth_provider.dart
new file mode 100644
index 0000000..228ac8a
--- /dev/null
+++ b/lib/shared/providers/auth_provider.dart
@@ -0,0 +1,34 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+import '../../features/auth/domain/entities/user.dart';
+import '../../features/auth/presentation/providers/auth_providers.dart';
+
+part 'auth_provider.g.dart';
+
+@Riverpod(keepAlive: true)
+class AuthState extends _$AuthState {
+  @override
+  FutureOr<User?> build() async {
+    final repository = ref.read(authRepositoryProvider);
+    final isLoggedIn = await repository.isLoggedIn();
+    if (isLoggedIn) {
+      return repository.getCurrentUser();
+    }
+    return null;
+  }
+
+  void setUser(User user) {
+    state = AsyncData(user);
+  }
+
+  void clearUser() {
+    state = const AsyncData(null);
+  }
+
+  Future<void> logout() async {
+    final repository = ref.read(authRepositoryProvider);
+    await repository.logout();
+    state = const AsyncData(null);
+  }
+}
diff --git a/lib/shared/providers/connectivity_provider.dart b/lib/shared/providers/connectivity_provider.dart
new file mode 100644
index 0000000..a9d4807
--- /dev/null
+++ b/lib/shared/providers/connectivity_provider.dart
@@ -0,0 +1,14 @@
+import 'package:connectivity_plus/connectivity_plus.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'connectivity_provider.g.dart';
+
+@riverpod
+Stream<bool> connectivityStatus(Ref ref) {
+  return Connectivity().onConnectivityChanged.map(
+    (results) => results.any(
+      (result) => result != ConnectivityResult.none,
+    ),
+  );
+}
diff --git a/lib/shared/widgets/app_scaffold.dart b/lib/shared/widgets/app_scaffold.dart
new file mode 100644
index 0000000..bb8932e
--- /dev/null
+++ b/lib/shared/widgets/app_scaffold.dart
@@ -0,0 +1,221 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+
+import '../../app/app_providers.dart';
+import '../../core/router/route_names.dart';
+import '../../core/utils/extensions.dart';
+import '../providers/auth_provider.dart';
+
+class AppScaffold extends ConsumerWidget {
+  const AppScaffold({
+    required this.child,
+    required this.currentPath,
+    this.isAdmin = false,
+    super.key,
+  });
+
+  final Widget child;
+  final String currentPath;
+  final bool isAdmin;
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final isMobile = context.isMobile;
+
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(isAdmin ? '관리자' : 'Flutter Frame'),
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.brightness_6),
+            onPressed: () {
+              ref.read(themeModeNotifierProvider.notifier).toggleTheme();
+            },
+            tooltip: '테마 전환',
+          ),
+          IconButton(
+            icon: const Icon(Icons.logout),
+            onPressed: () async {
+              await ref.read(authStateProvider.notifier).logout();
+              if (context.mounted) {
+                context.goNamed(RouteNames.login);
+              }
+            },
+            tooltip: '로그아웃',
+          ),
+        ],
+      ),
+      drawer: isMobile ? _buildDrawer(context) : null,
+      body: Row(
+        children: [
+          if (!isMobile) _buildSidebar(context),
+          Expanded(child: child),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildSidebar(BuildContext context) {
+    return NavigationRail(
+      selectedIndex: _getSelectedIndex(),
+      onDestinationSelected: (index) => _onDestinationSelected(context, index),
+      labelType: NavigationRailLabelType.all,
+      leading: Padding(
+        padding: const EdgeInsets.symmetric(vertical: 8),
+        child: Icon(
+          isAdmin ? Icons.admin_panel_settings : Icons.apps,
+          size: 32,
+          color: context.colorScheme.primary,
+        ),
+      ),
+      destinations: _getDestinations(),
+    );
+  }
+
+  Widget _buildDrawer(BuildContext context) {
+    return NavigationDrawer(
+      selectedIndex: _getSelectedIndex(),
+      onDestinationSelected: (index) {
+        Navigator.pop(context);
+        _onDestinationSelected(context, index);
+      },
+      children: [
+        Padding(
+          padding: const EdgeInsets.fromLTRB(28, 16, 16, 10),
+          child: Text(
+            isAdmin ? '관리자 메뉴' : '메뉴',
+            style: context.textTheme.titleSmall,
+          ),
+        ),
+        ..._getDrawerDestinations(),
+      ],
+    );
+  }
+
+  int _getSelectedIndex() {
+    if (isAdmin) {
+      if (currentPath.contains('/admin/home')) return 0;
+      if (currentPath.contains('/admin/users')) return 1;
+      if (currentPath.contains('/admin/dashboard')) return 2;
+      if (currentPath.contains('/admin/settings')) return 3;
+    } else {
+      if (currentPath.contains('/user/home')) return 0;
+      if (currentPath.contains('/user/profile')) return 1;
+      if (currentPath.contains('/user/dashboard')) return 2;
+    }
+    return 0;
+  }
+
+  void _onDestinationSelected(BuildContext context, int index) {
+    if (isAdmin) {
+      switch (index) {
+        case 0:
+          context.goNamed(RouteNames.adminHome);
+        case 1:
+          context.goNamed(RouteNames.adminUsers);
+        case 2:
+          context.goNamed(RouteNames.adminDashboard);
+        case 3:
+          context.goNamed(RouteNames.adminSettings);
+      }
+    } else {
+      switch (index) {
+        case 0:
+          context.goNamed(RouteNames.userHome);
+        case 1:
+          context.goNamed(RouteNames.userProfile);
+        case 2:
+          context.goNamed(RouteNames.userDashboard);
+      }
+    }
+  }
+
+  List<NavigationRailDestination> _getDestinations() {
+    if (isAdmin) {
+      return const [
+        NavigationRailDestination(
+          icon: Icon(Icons.home_outlined),
+          selectedIcon: Icon(Icons.home),
+          label: Text('홈'),
+        ),
+        NavigationRailDestination(
+          icon: Icon(Icons.people_outlined),
+          selectedIcon: Icon(Icons.people),
+          label: Text('사용자 관리'),
+        ),
+        NavigationRailDestination(
+          icon: Icon(Icons.dashboard_outlined),
+          selectedIcon: Icon(Icons.dashboard),
+          label: Text('대시보드'),
+        ),
+        NavigationRailDestination(
+          icon: Icon(Icons.settings_outlined),
+          selectedIcon: Icon(Icons.settings),
+          label: Text('설정'),
+        ),
+      ];
+    }
+    return const [
+      NavigationRailDestination(
+        icon: Icon(Icons.home_outlined),
+        selectedIcon: Icon(Icons.home),
+        label: Text('홈'),
+      ),
+      NavigationRailDestination(
+        icon: Icon(Icons.person_outlined),
+        selectedIcon: Icon(Icons.person),
+        label: Text('프로필'),
+      ),
+      NavigationRailDestination(
+        icon: Icon(Icons.dashboard_outlined),
+        selectedIcon: Icon(Icons.dashboard),
+        label: Text('대시보드'),
+      ),
+    ];
+  }
+
+  List<NavigationDrawerDestination> _getDrawerDestinations() {
+    if (isAdmin) {
+      return const [
+        NavigationDrawerDestination(
+          icon: Icon(Icons.home_outlined),
+          selectedIcon: Icon(Icons.home),
+          label: Text('홈'),
+        ),
+        NavigationDrawerDestination(
+          icon: Icon(Icons.people_outlined),
+          selectedIcon: Icon(Icons.people),
+          label: Text('사용자 관리'),
+        ),
+        NavigationDrawerDestination(
+          icon: Icon(Icons.dashboard_outlined),
+          selectedIcon: Icon(Icons.dashboard),
+          label: Text('대시보드'),
+        ),
+        NavigationDrawerDestination(
+          icon: Icon(Icons.settings_outlined),
+          selectedIcon: Icon(Icons.settings),
+          label: Text('설정'),
+        ),
+      ];
+    }
+    return const [
+      NavigationDrawerDestination(
+        icon: Icon(Icons.home_outlined),
+        selectedIcon: Icon(Icons.home),
+        label: Text('홈'),
+      ),
+      NavigationDrawerDestination(
+        icon: Icon(Icons.person_outlined),
+        selectedIcon: Icon(Icons.person),
+        label: Text('프로필'),
+      ),
+      NavigationDrawerDestination(
+        icon: Icon(Icons.dashboard_outlined),
+        selectedIcon: Icon(Icons.dashboard),
+        label: Text('대시보드'),
+      ),
+    ];
+  }
+}
diff --git a/lib/shared/widgets/chart_widgets/bar_chart_widget.dart b/lib/shared/widgets/chart_widgets/bar_chart_widget.dart
new file mode 100644
index 0000000..39ec0f1
--- /dev/null
+++ b/lib/shared/widgets/chart_widgets/bar_chart_widget.dart
@@ -0,0 +1,84 @@
+import 'package:fl_chart/fl_chart.dart';
+import 'package:flutter/material.dart';
+
+class BarChartWidget extends StatelessWidget {
+  const BarChartWidget({
+    required this.barGroups,
+    this.title,
+    this.maxY,
+    this.bottomTitles,
+    this.barColor,
+    super.key,
+  });
+
+  final List<BarChartGroupData> barGroups;
+  final String? title;
+  final double? maxY;
+  final Widget Function(double, TitleMeta)? bottomTitles;
+  final Color? barColor;
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        if (title != null)
+          Padding(
+            padding: const EdgeInsets.only(bottom: 16),
+            child: Text(
+              title!,
+              style: theme.textTheme.titleMedium?.copyWith(
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+          ),
+        Expanded(
+          child: BarChart(
+            BarChartData(
+              maxY: maxY,
+              gridData: const FlGridData(show: false),
+              borderData: FlBorderData(show: false),
+              titlesData: FlTitlesData(
+                topTitles: const AxisTitles(
+                  sideTitles: SideTitles(showTitles: false),
+                ),
+                rightTitles: const AxisTitles(
+                  sideTitles: SideTitles(showTitles: false),
+                ),
+                bottomTitles: AxisTitles(
+                  sideTitles: SideTitles(
+                    showTitles: true,
+                    getTitlesWidget: bottomTitles ??
+                        (value, meta) => SideTitleWidget(
+                              meta: meta,
+                              child: Text(
+                                value.toInt().toString(),
+                                style: theme.textTheme.bodySmall,
+                              ),
+                            ),
+                  ),
+                ),
+                leftTitles: AxisTitles(
+                  sideTitles: SideTitles(
+                    showTitles: true,
+                    reservedSize: 40,
+                    getTitlesWidget: (value, meta) => SideTitleWidget(
+                      meta: meta,
+                      child: Text(
+                        value.toInt().toString(),
+                        style: theme.textTheme.bodySmall,
+                      ),
+                    ),
+                  ),
+                ),
+              ),
+              barGroups: barGroups,
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+}
diff --git a/lib/shared/widgets/chart_widgets/line_chart_widget.dart b/lib/shared/widgets/chart_widgets/line_chart_widget.dart
new file mode 100644
index 0000000..97187ea
--- /dev/null
+++ b/lib/shared/widgets/chart_widgets/line_chart_widget.dart
@@ -0,0 +1,117 @@
+import 'package:fl_chart/fl_chart.dart';
+import 'package:flutter/material.dart';
+
+class LineChartWidget extends StatelessWidget {
+  const LineChartWidget({
+    required this.spots,
+    this.title,
+    this.lineColor,
+    this.gradientColors,
+    this.minY,
+    this.maxY,
+    this.showGrid = true,
+    this.bottomTitles,
+    this.leftTitles,
+    super.key,
+  });
+
+  final List<FlSpot> spots;
+  final String? title;
+  final Color? lineColor;
+  final List<Color>? gradientColors;
+  final double? minY;
+  final double? maxY;
+  final bool showGrid;
+  final Widget Function(double, TitleMeta)? bottomTitles;
+  final Widget Function(double, TitleMeta)? leftTitles;
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final primaryColor = lineColor ?? theme.colorScheme.primary;
+    final colors = gradientColors ??
+        [
+          primaryColor,
+          primaryColor.withValues(alpha: 0.3),
+        ];
+
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        if (title != null)
+          Padding(
+            padding: const EdgeInsets.only(bottom: 16),
+            child: Text(
+              title!,
+              style: theme.textTheme.titleMedium?.copyWith(
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+          ),
+        Expanded(
+          child: LineChart(
+            LineChartData(
+              gridData: FlGridData(show: showGrid),
+              titlesData: FlTitlesData(
+                topTitles: const AxisTitles(
+                  sideTitles: SideTitles(showTitles: false),
+                ),
+                rightTitles: const AxisTitles(
+                  sideTitles: SideTitles(showTitles: false),
+                ),
+                bottomTitles: AxisTitles(
+                  sideTitles: SideTitles(
+                    showTitles: true,
+                    getTitlesWidget: bottomTitles ??
+                        (value, meta) => SideTitleWidget(
+                              meta: meta,
+                              child: Text(
+                                value.toInt().toString(),
+                                style: theme.textTheme.bodySmall,
+                              ),
+                            ),
+                  ),
+                ),
+                leftTitles: AxisTitles(
+                  sideTitles: SideTitles(
+                    showTitles: true,
+                    reservedSize: 40,
+                    getTitlesWidget: leftTitles ??
+                        (value, meta) => SideTitleWidget(
+                              meta: meta,
+                              child: Text(
+                                value.toInt().toString(),
+                                style: theme.textTheme.bodySmall,
+                              ),
+                            ),
+                  ),
+                ),
+              ),
+              borderData: FlBorderData(show: false),
+              minY: minY,
+              maxY: maxY,
+              lineBarsData: [
+                LineChartBarData(
+                  spots: spots,
+                  isCurved: true,
+                  color: primaryColor,
+                  barWidth: 3,
+                  isStrokeCapRound: true,
+                  dotData: const FlDotData(show: false),
+                  belowBarData: BarAreaData(
+                    show: true,
+                    gradient: LinearGradient(
+                      colors: colors,
+                      begin: Alignment.topCenter,
+                      end: Alignment.bottomCenter,
+                    ),
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+}
diff --git a/lib/shared/widgets/chart_widgets/pie_chart_widget.dart b/lib/shared/widgets/chart_widgets/pie_chart_widget.dart
new file mode 100644
index 0000000..7d0825f
--- /dev/null
+++ b/lib/shared/widgets/chart_widgets/pie_chart_widget.dart
@@ -0,0 +1,100 @@
+import 'package:fl_chart/fl_chart.dart';
+import 'package:flutter/material.dart';
+
+class PieChartWidget extends StatelessWidget {
+  const PieChartWidget({
+    required this.sections,
+    this.title,
+    this.centerText,
+    this.showLegend = true,
+    this.legendItems,
+    super.key,
+  });
+
+  final List<PieChartSectionData> sections;
+  final String? title;
+  final String? centerText;
+  final bool showLegend;
+  final List<LegendItem>? legendItems;
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        if (title != null)
+          Padding(
+            padding: const EdgeInsets.only(bottom: 16),
+            child: Text(
+              title!,
+              style: theme.textTheme.titleMedium?.copyWith(
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+          ),
+        Expanded(
+          child: Row(
+            children: [
+              Expanded(
+                flex: 2,
+                child: PieChart(
+                  PieChartData(
+                    sections: sections,
+                    centerSpaceRadius: 40,
+                    sectionsSpace: 2,
+                  ),
+                ),
+              ),
+              if (showLegend && legendItems != null)
+                Expanded(
+                  child: Column(
+                    mainAxisAlignment: MainAxisAlignment.center,
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: legendItems!
+                        .map(
+                          (item) => Padding(
+                            padding: const EdgeInsets.symmetric(vertical: 4),
+                            child: Row(
+                              children: [
+                                Container(
+                                  width: 12,
+                                  height: 12,
+                                  decoration: BoxDecoration(
+                                    color: item.color,
+                                    borderRadius: BorderRadius.circular(3),
+                                  ),
+                                ),
+                                const SizedBox(width: 8),
+                                Expanded(
+                                  child: Text(
+                                    item.label,
+                                    style: theme.textTheme.bodySmall,
+                                    overflow: TextOverflow.ellipsis,
+                                  ),
+                                ),
+                              ],
+                            ),
+                          ),
+                        )
+                        .toList(),
+                  ),
+                ),
+            ],
+          ),
+        ),
+      ],
+    );
+  }
+}
+
+class LegendItem {
+  const LegendItem({
+    required this.label,
+    required this.color,
+  });
+
+  final String label;
+  final Color color;
+}
diff --git a/lib/shared/widgets/confirm_dialog.dart b/lib/shared/widgets/confirm_dialog.dart
new file mode 100644
index 0000000..424fec4
--- /dev/null
+++ b/lib/shared/widgets/confirm_dialog.dart
@@ -0,0 +1,66 @@
+import 'package:flutter/material.dart';
+import 'package:gap/gap.dart';
+
+class ConfirmDialog extends StatelessWidget {
+  const ConfirmDialog({
+    required this.title,
+    required this.message,
+    this.confirmLabel = '확인',
+    this.cancelLabel = '취소',
+    this.isDestructive = false,
+    super.key,
+  });
+
+  final String title;
+  final String message;
+  final String confirmLabel;
+  final String cancelLabel;
+  final bool isDestructive;
+
+  static Future<bool?> show(
+    BuildContext context, {
+    required String title,
+    required String message,
+    String confirmLabel = '확인',
+    String cancelLabel = '취소',
+    bool isDestructive = false,
+  }) {
+    return showDialog<bool>(
+      context: context,
+      builder: (context) => ConfirmDialog(
+        title: title,
+        message: message,
+        confirmLabel: confirmLabel,
+        cancelLabel: cancelLabel,
+        isDestructive: isDestructive,
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return AlertDialog(
+      title: Text(title),
+      content: Text(message),
+      actions: [
+        TextButton(
+          onPressed: () => Navigator.of(context).pop(false),
+          child: Text(cancelLabel),
+        ),
+        const Gap(8),
+        FilledButton(
+          onPressed: () => Navigator.of(context).pop(true),
+          style: isDestructive
+              ? FilledButton.styleFrom(
+                  backgroundColor: theme.colorScheme.error,
+                  foregroundColor: theme.colorScheme.onError,
+                )
+              : null,
+          child: Text(confirmLabel),
+        ),
+      ],
+    );
+  }
+}
diff --git a/lib/shared/widgets/data_table_widget.dart b/lib/shared/widgets/data_table_widget.dart
new file mode 100644
index 0000000..cca3ac9
--- /dev/null
+++ b/lib/shared/widgets/data_table_widget.dart
@@ -0,0 +1,49 @@
+import 'package:flutter/material.dart';
+import 'package:pluto_grid/pluto_grid.dart';
+
+class DataTableWidget extends StatelessWidget {
+  const DataTableWidget({
+    required this.columns,
+    required this.rows,
+    this.onRowDoubleTap,
+    this.onLoaded,
+    this.configuration,
+    super.key,
+  });
+
+  final List<PlutoColumn> columns;
+  final List<PlutoRow> rows;
+  final void Function(PlutoGridOnRowDoubleTapEvent)? onRowDoubleTap;
+  final void Function(PlutoGridOnLoadedEvent)? onLoaded;
+  final PlutoGridConfiguration? configuration;
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return PlutoGrid(
+      columns: columns,
+      rows: rows,
+      onRowDoubleTap: onRowDoubleTap,
+      onLoaded: onLoaded,
+      configuration: configuration ??
+          PlutoGridConfiguration(
+            style: PlutoGridStyleConfig(
+              gridBackgroundColor: theme.colorScheme.surface,
+              rowColor: theme.colorScheme.surface,
+              activatedColor: theme.colorScheme.primaryContainer,
+              activatedBorderColor: theme.colorScheme.primary,
+              gridBorderColor: theme.colorScheme.outlineVariant,
+              borderColor: theme.colorScheme.outlineVariant,
+              cellTextStyle: theme.textTheme.bodyMedium!,
+              columnTextStyle: theme.textTheme.titleSmall!.copyWith(
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+            columnSize: const PlutoGridColumnSizeConfig(
+              autoSizeMode: PlutoAutoSizeMode.scale,
+            ),
+          ),
+    );
+  }
+}
diff --git a/lib/shared/widgets/empty_state_widget.dart b/lib/shared/widgets/empty_state_widget.dart
new file mode 100644
index 0000000..9e8105f
--- /dev/null
+++ b/lib/shared/widgets/empty_state_widget.dart
@@ -0,0 +1,53 @@
+import 'package:flutter/material.dart';
+import 'package:gap/gap.dart';
+
+class EmptyStateWidget extends StatelessWidget {
+  const EmptyStateWidget({
+    required this.message,
+    this.icon,
+    this.actionLabel,
+    this.onAction,
+    super.key,
+  });
+
+  final String message;
+  final IconData? icon;
+  final String? actionLabel;
+  final VoidCallback? onAction;
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return Center(
+      child: Padding(
+        padding: const EdgeInsets.all(24),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Icon(
+              icon ?? Icons.inbox_outlined,
+              size: 64,
+              color: theme.colorScheme.onSurfaceVariant.withValues(alpha: 0.5),
+            ),
+            const Gap(16),
+            Text(
+              message,
+              style: theme.textTheme.bodyLarge?.copyWith(
+                color: theme.colorScheme.onSurfaceVariant,
+              ),
+              textAlign: TextAlign.center,
+            ),
+            if (actionLabel != null && onAction != null) ...[
+              const Gap(16),
+              FilledButton.tonal(
+                onPressed: onAction,
+                child: Text(actionLabel!),
+              ),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/lib/shared/widgets/error_widget.dart b/lib/shared/widgets/error_widget.dart
new file mode 100644
index 0000000..ae8f8df
--- /dev/null
+++ b/lib/shared/widgets/error_widget.dart
@@ -0,0 +1,49 @@
+import 'package:flutter/material.dart';
+import 'package:gap/gap.dart';
+
+class AppErrorWidget extends StatelessWidget {
+  const AppErrorWidget({
+    required this.message,
+    this.onRetry,
+    this.icon,
+    super.key,
+  });
+
+  final String message;
+  final VoidCallback? onRetry;
+  final IconData? icon;
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return Center(
+      child: Padding(
+        padding: const EdgeInsets.all(24),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Icon(
+              icon ?? Icons.error_outline,
+              size: 64,
+              color: theme.colorScheme.error,
+            ),
+            const Gap(16),
+            Text(
+              message,
+              style: theme.textTheme.bodyLarge,
+              textAlign: TextAlign.center,
+            ),
+            if (onRetry != null) ...[
+              const Gap(16),
+              FilledButton.tonal(
+                onPressed: onRetry,
+                child: const Text('다시 시도'),
+              ),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/lib/shared/widgets/loading_widget.dart b/lib/shared/widgets/loading_widget.dart
new file mode 100644
index 0000000..7b2cded
--- /dev/null
+++ b/lib/shared/widgets/loading_widget.dart
@@ -0,0 +1,41 @@
+import 'package:flutter/material.dart';
+import 'package:loading_animation_widget/loading_animation_widget.dart';
+
+class LoadingWidget extends StatelessWidget {
+  const LoadingWidget({
+    this.size = 50,
+    this.color,
+    this.message,
+    super.key,
+  });
+
+  final double size;
+  final Color? color;
+  final String? message;
+
+  @override
+  Widget build(BuildContext context) {
+    final effectiveColor = color ?? Theme.of(context).colorScheme.primary;
+
+    return Center(
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          LoadingAnimationWidget.staggeredDotsWave(
+            color: effectiveColor,
+            size: size,
+          ),
+          if (message != null) ...[
+            const SizedBox(height: 16),
+            Text(
+              message!,
+              style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                    color: Theme.of(context).colorScheme.onSurfaceVariant,
+                  ),
+            ),
+          ],
+        ],
+      ),
+    );
+  }
+}
diff --git a/pubspec.yaml b/pubspec.yaml
new file mode 100644
index 0000000..9fd751a
--- /dev/null
+++ b/pubspec.yaml
@@ -0,0 +1,81 @@
+name: flutter_frame
+description: "Cross-platform Flutter app framework with Clean Architecture"
+publish_to: 'none'
+version: 1.0.0+1
+
+environment:
+  sdk: ^3.8.0
+
+dependencies:
+  flutter:
+    sdk: flutter
+
+  # 상태관리 & 라우팅
+  flutter_riverpod: ^3.2.1
+  riverpod_annotation: ^2.6.1
+  go_router: ^17.1.0
+
+  # 네트워크
+  dio: ^5.9.1
+  retrofit: ^4.9.2
+  web_socket_channel: ^3.0.2
+
+  # 데이터 모델
+  freezed_annotation: ^3.0.0
+  json_annotation: ^4.9.0
+
+  # UI & 디자인
+  shadcn_ui: ^0.45.2
+  flex_color_scheme: ^8.4.0
+  fl_chart: ^1.1.1
+  pluto_grid: ^8.1.0
+  responsive_framework: ^1.5.1
+  gap: ^3.0.1
+  cached_network_image: ^3.4.1
+  flutter_svg: ^2.0.17
+  loading_animation_widget: ^1.3.0
+  shimmer: ^3.0.0
+
+  # 폼 & 유효성 검사
+  reactive_forms: ^18.2.2
+
+  # 로컬 저장소 & 보안
+  flutter_secure_storage: ^9.2.4
+  shared_preferences: ^2.3.5
+
+  # 로깅
+  talker: ^5.1.13
+  talker_flutter: ^5.1.13
+  talker_dio_logger: ^5.1.13
+  talker_riverpod_logger: ^5.1.13
+
+  # 유틸리티
+  intl: ^0.19.0
+  envied: ^1.1.1
+  package_info_plus: ^8.3.0
+  url_launcher: ^6.3.1
+  connectivity_plus: ^6.1.4
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+
+  # 코드 생성
+  riverpod_generator: ^2.6.5
+  retrofit_generator: ^9.1.13
+  freezed: ^3.2.5
+  json_serializable: ^6.9.5
+  build_runner: ^2.4.15
+  envied_generator: ^1.1.1
+
+  # 린트 & 테스트
+  very_good_analysis: ^7.0.0
+  mocktail: ^1.0.4
+
+flutter:
+  uses-material-design: true
+
+  assets: []
+  # - assets/images/
+  # - assets/icons/
+  # - assets/fonts/