diff --git a/app/(auth)/complete-profile.tsx b/app/(auth)/complete-profile.tsx
new file mode 100644
index 0000000..0ecff88
--- /dev/null
+++ b/app/(auth)/complete-profile.tsx
@@ -0,0 +1,200 @@
+import React, { useState, useCallback } from 'react';
+import {
+  View,
+  Text,
+  StyleSheet,
+  KeyboardAvoidingView,
+  Platform,
+  ScrollView,
+} from 'react-native';
+import { router, useLocalSearchParams } from 'expo-router';
+import { Ionicons } from '@expo/vector-icons';
+import { useAuth } from '@/contexts/AuthContext';
+import { api } from '@/services/api';
+import { Button } from '@/components/ui/Button';
+import { Input } from '@/components/ui/Input';
+import { ErrorMessage } from '@/components/ui/ErrorMessage';
+import { AppColors, BorderRadius, FontSizes, Spacing } from '@/constants/theme';
+
+export default function CompleteProfileScreen() {
+  const { email } = useLocalSearchParams<{ email: string }>();
+  const { refreshAuth } = useAuth();
+
+  const [firstName, setFirstName] = useState('');
+  const [lastName, setLastName] = useState('');
+  const [phone, setPhone] = useState('');
+  const [isLoading, setIsLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  const handleComplete = useCallback(async () => {
+    setError(null);
+
+    // Validate
+    if (!firstName.trim()) {
+      setError('Please enter your first name');
+      return;
+    }
+    if (!lastName.trim()) {
+      setError('Please enter your last name');
+      return;
+    }
+
+    setIsLoading(true);
+
+    try {
+      const response = await api.updateProfile({
+        firstName: firstName.trim(),
+        lastName: lastName.trim(),
+        phone: phone.trim() || undefined,
+      });
+
+      if (response.ok) {
+        // Refresh auth state and go to main app
+        await refreshAuth();
+        router.replace('/(tabs)');
+      } else {
+        setError(response.error?.message || 'Failed to update profile');
+      }
+    } catch (err) {
+      setError('Something went wrong. Please try again.');
+    } finally {
+      setIsLoading(false);
+    }
+  }, [firstName, lastName, phone, refreshAuth]);
+
+  return (
+    <KeyboardAvoidingView
+      style={styles.container}
+      behavior={Platform.OS === 'ios' ? 'padding' : 'height'}
+    >
+      <ScrollView
+        contentContainerStyle={styles.scrollContent}
+        keyboardShouldPersistTaps="handled"
+        showsVerticalScrollIndicator={false}
+      >
+        {/* Header */}
+        <View style={styles.header}>
+          <View style={styles.iconContainer}>
+            <Ionicons name="person-circle-outline" size={48} color={AppColors.primary} />
+          </View>
+          <Text style={styles.title}>Complete your profile</Text>
+          <Text style={styles.subtitle}>
+            Just a few more details to get you started
+          </Text>
+        </View>
+
+        {/* Form */}
+        <View style={styles.form}>
+          {error && (
+            <ErrorMessage
+              message={error}
+              onDismiss={() => setError(null)}
+            />
+          )}
+
+          <Input
+            label="First Name"
+            placeholder="Enter your first name"
+            leftIcon="person-outline"
+            value={firstName}
+            onChangeText={(text) => {
+              setFirstName(text);
+              setError(null);
+            }}
+            autoCapitalize="words"
+            autoCorrect={false}
+            editable={!isLoading}
+          />
+
+          <Input
+            label="Last Name"
+            placeholder="Enter your last name"
+            leftIcon="person-outline"
+            value={lastName}
+            onChangeText={(text) => {
+              setLastName(text);
+              setError(null);
+            }}
+            autoCapitalize="words"
+            autoCorrect={false}
+            editable={!isLoading}
+          />
+
+          <Input
+            label="Phone (optional)"
+            placeholder="Enter your phone number"
+            leftIcon="call-outline"
+            value={phone}
+            onChangeText={setPhone}
+            keyboardType="phone-pad"
+            editable={!isLoading}
+          />
+
+          <Button
+            title="Get Started"
+            onPress={handleComplete}
+            loading={isLoading}
+            fullWidth
+            size="lg"
+          />
+        </View>
+
+        {/* Email info */}
+        <View style={styles.emailInfo}>
+          <Ionicons name="mail-outline" size={16} color={AppColors.textMuted} />
+          <Text style={styles.emailText}>{email}</Text>
+        </View>
+      </ScrollView>
+    </KeyboardAvoidingView>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: AppColors.background,
+  },
+  scrollContent: {
+    flexGrow: 1,
+    paddingHorizontal: Spacing.lg,
+    paddingTop: Spacing.xxl + Spacing.xl,
+    paddingBottom: Spacing.xl,
+  },
+  header: {
+    alignItems: 'center',
+    marginBottom: Spacing.xl,
+  },
+  iconContainer: {
+    width: 80,
+    height: 80,
+    borderRadius: BorderRadius.full,
+    backgroundColor: `${AppColors.primary}15`,
+    justifyContent: 'center',
+    alignItems: 'center',
+    marginBottom: Spacing.lg,
+  },
+  title: {
+    fontSize: FontSizes['2xl'],
+    fontWeight: '700',
+    color: AppColors.textPrimary,
+    marginBottom: Spacing.sm,
+  },
+  subtitle: {
+    fontSize: FontSizes.base,
+    color: AppColors.textSecondary,
+    textAlign: 'center',
+  },
+  form: {
+    marginBottom: Spacing.xl,
+  },
+  emailInfo: {
+    flexDirection: 'row',
+    justifyContent: 'center',
+    alignItems: 'center',
+    gap: Spacing.xs,
+  },
+  emailText: {
+    fontSize: FontSizes.sm,
+    color: AppColors.textMuted,
+  },
+});
diff --git a/app/(auth)/login.tsx b/app/(auth)/login.tsx
index 9ef1743..2f6658e 100644
--- a/app/(auth)/login.tsx
+++ b/app/(auth)/login.tsx
@@ -10,43 +10,59 @@ import {
   Image,
 } from 'react-native';
 import { router } from 'expo-router';
-import { useAuth } from '@/contexts/AuthContext';
+import { api } from '@/services/api';
 import { Button } from '@/components/ui/Button';
 import { Input } from '@/components/ui/Input';
 import { ErrorMessage } from '@/components/ui/ErrorMessage';
 import { AppColors, BorderRadius, FontSizes, Spacing } from '@/constants/theme';
 
 export default function LoginScreen() {
-  const { login, isLoading, error, clearError } = useAuth();
-  const [username, setUsername] = useState('');
-  const [password, setPassword] = useState('');
-  const [validationError, setValidationError] = useState<string | null>(null);
+  const [email, setEmail] = useState('');
+  const [isLoading, setIsLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
 
-  const handleLogin = useCallback(async () => {
-    // Clear previous errors
-    clearError();
-    setValidationError(null);
+  const validateEmail = (email: string): boolean => {
+    const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
+    return emailRegex.test(email);
+  };
 
-    // Validate
-    if (!username.trim()) {
-      setValidationError('Username is required');
+  const handleContinue = useCallback(async () => {
+    setError(null);
+
+    // Validate email
+    const trimmedEmail = email.trim().toLowerCase();
+    if (!trimmedEmail) {
+      setError('Please enter your email address');
       return;
     }
-    if (!password.trim()) {
-      setValidationError('Password is required');
+    if (!validateEmail(trimmedEmail)) {
+      setError('Please enter a valid email address');
       return;
     }
 
-    const success = await login({ username: username.trim(), password });
+    setIsLoading(true);
 
-    if (success) {
-      // Clear password from memory after successful login
-      setPassword('');
-      router.replace('/(tabs)');
+    try {
+      const response = await api.requestOTP(trimmedEmail);
+
+      if (response.ok && response.data) {
+        // Navigate to OTP screen with email
+        router.push({
+          pathname: '/(auth)/verify-otp',
+          params: {
+            email: trimmedEmail,
+            isNewUser: response.data.isNewUser ? 'true' : 'false',
+          },
+        });
+      } else {
+        setError(response.error?.message || 'Failed to send verification code');
+      }
+    } catch (err) {
+      setError('Something went wrong. Please try again.');
+    } finally {
+      setIsLoading(false);
     }
-  }, [username, password, login, clearError]);
-
-  const displayError = validationError || error?.message;
+  }, [email]);
 
   return (
     <KeyboardAvoidingView
@@ -65,70 +81,54 @@ export default function LoginScreen() {
             style={styles.logo}
             resizeMode="contain"
           />
-          <Text style={styles.title}>Welcome Back</Text>
-          <Text style={styles.subtitle}>Sign in to continue monitoring your loved ones</Text>
+          <Text style={styles.title}>Welcome to WellNuo</Text>
+          <Text style={styles.subtitle}>
+            Enter your email to get started. We'll send you a verification code.
+          </Text>
         </View>
 
         {/* Form */}
         <View style={styles.form}>
-          {displayError && (
+          {error && (
             <ErrorMessage
-              message={displayError}
-              onDismiss={() => {
-                clearError();
-                setValidationError(null);
-              }}
+              message={error}
+              onDismiss={() => setError(null)}
             />
           )}
 
           <Input
-            label="Username"
-            placeholder="Enter your username"
-            leftIcon="person-outline"
-            value={username}
+            label="Email Address"
+            placeholder="Enter your email"
+            leftIcon="mail-outline"
+            value={email}
             onChangeText={(text) => {
-              setUsername(text);
-              setValidationError(null);
+              setEmail(text);
+              setError(null);
             }}
+            keyboardType="email-address"
             autoCapitalize="none"
             autoCorrect={false}
+            autoComplete="email"
             editable={!isLoading}
+            onSubmitEditing={handleContinue}
+            returnKeyType="next"
           />
 
-          <Input
-            label="Password"
-            placeholder="Enter your password"
-            leftIcon="lock-closed-outline"
-            secureTextEntry
-            value={password}
-            onChangeText={(text) => {
-              setPassword(text);
-              setValidationError(null);
-            }}
-            editable={!isLoading}
-            onSubmitEditing={handleLogin}
-            returnKeyType="done"
-          />
-
-          <TouchableOpacity style={styles.forgotPassword} onPress={() => router.push('/(auth)/forgot-password')}>
-            <Text style={styles.forgotPasswordText}>Forgot Password?</Text>
-          </TouchableOpacity>
-
           <Button
-            title="Sign In"
-            onPress={handleLogin}
+            title="Continue"
+            onPress={handleContinue}
             loading={isLoading}
             fullWidth
             size="lg"
           />
         </View>
 
-        {/* Footer */}
-        <View style={styles.footer}>
-          <Text style={styles.footerText}>Don't have an account? </Text>
-          <TouchableOpacity onPress={() => router.push('/(auth)/register')}>
-            <Text style={styles.footerLink}>Create Account</Text>
-          </TouchableOpacity>
+        {/* Info */}
+        <View style={styles.infoContainer}>
+          <Text style={styles.infoText}>
+            We'll send a 6-digit code to your email for verification.
+            No password needed!
+          </Text>
         </View>
 
         {/* Version Info */}
@@ -168,34 +168,22 @@ const styles = StyleSheet.create({
     fontSize: FontSizes.base,
     color: AppColors.textSecondary,
     textAlign: 'center',
+    paddingHorizontal: Spacing.md,
   },
   form: {
     marginBottom: Spacing.xl,
   },
-  forgotPassword: {
-    alignSelf: 'flex-end',
-    marginBottom: Spacing.lg,
-    marginTop: -Spacing.sm,
-  },
-  forgotPasswordText: {
-    fontSize: FontSizes.sm,
-    color: AppColors.primary,
-    fontWeight: '500',
-  },
-  footer: {
-    flexDirection: 'row',
-    justifyContent: 'center',
-    alignItems: 'center',
+  infoContainer: {
+    backgroundColor: AppColors.surface,
+    borderRadius: BorderRadius.lg,
+    padding: Spacing.md,
     marginBottom: Spacing.xl,
   },
-  footerText: {
-    fontSize: FontSizes.base,
+  infoText: {
+    fontSize: FontSizes.sm,
     color: AppColors.textSecondary,
-  },
-  footerLink: {
-    fontSize: FontSizes.base,
-    color: AppColors.primary,
-    fontWeight: '600',
+    textAlign: 'center',
+    lineHeight: 20,
   },
   version: {
     textAlign: 'center',
diff --git a/app/(auth)/verify-otp.tsx b/app/(auth)/verify-otp.tsx
new file mode 100644
index 0000000..92e2dc0
--- /dev/null
+++ b/app/(auth)/verify-otp.tsx
@@ -0,0 +1,355 @@
+import React, { useState, useCallback, useRef, useEffect } from 'react';
+import {
+  View,
+  Text,
+  StyleSheet,
+  KeyboardAvoidingView,
+  Platform,
+  ScrollView,
+  TouchableOpacity,
+  TextInput,
+} from 'react-native';
+import { router, useLocalSearchParams } from 'expo-router';
+import { Ionicons } from '@expo/vector-icons';
+import { useAuth } from '@/contexts/AuthContext';
+import { api } from '@/services/api';
+import { Button } from '@/components/ui/Button';
+import { ErrorMessage } from '@/components/ui/ErrorMessage';
+import { AppColors, BorderRadius, FontSizes, Spacing } from '@/constants/theme';
+
+const CODE_LENGTH = 6;
+
+export default function VerifyOTPScreen() {
+  const { email, isNewUser } = useLocalSearchParams<{ email: string; isNewUser: string }>();
+  const { refreshAuth } = useAuth();
+
+  const [code, setCode] = useState('');
+  const [isLoading, setIsLoading] = useState(false);
+  const [isResending, setIsResending] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+  const [resendCountdown, setResendCountdown] = useState(0);
+
+  const inputRef = useRef<TextInput>(null);
+
+  // Focus input on mount
+  useEffect(() => {
+    setTimeout(() => {
+      inputRef.current?.focus();
+    }, 100);
+  }, []);
+
+  // Countdown timer for resend
+  useEffect(() => {
+    if (resendCountdown > 0) {
+      const timer = setTimeout(() => setResendCountdown(resendCountdown - 1), 1000);
+      return () => clearTimeout(timer);
+    }
+  }, [resendCountdown]);
+
+  const handleCodeChange = (text: string) => {
+    // Only allow digits
+    const digits = text.replace(/\D/g, '').slice(0, CODE_LENGTH);
+    setCode(digits);
+    setError(null);
+
+    // Auto-submit when code is complete
+    if (digits.length === CODE_LENGTH) {
+      handleVerify(digits);
+    }
+  };
+
+  const handleVerify = useCallback(async (verifyCode?: string) => {
+    const codeToVerify = verifyCode || code;
+
+    if (codeToVerify.length !== CODE_LENGTH) {
+      setError('Please enter the 6-digit code');
+      return;
+    }
+
+    setIsLoading(true);
+    setError(null);
+
+    try {
+      const response = await api.verifyOTP(email!, codeToVerify);
+
+      if (response.ok && response.data) {
+        // Refresh auth state
+        await refreshAuth();
+
+        // Check if new user needs to complete profile
+        const user = response.data.user;
+        if (!user.firstName || !user.lastName) {
+          // New user - go to complete profile
+          router.replace({
+            pathname: '/(auth)/complete-profile',
+            params: { email: email! },
+          });
+        } else {
+          // Existing user - go to main app
+          router.replace('/(tabs)');
+        }
+      } else {
+        setError(response.error?.message || 'Invalid code. Please try again.');
+        setCode('');
+      }
+    } catch (err) {
+      setError('Something went wrong. Please try again.');
+      setCode('');
+    } finally {
+      setIsLoading(false);
+    }
+  }, [code, email, refreshAuth]);
+
+  const handleResend = useCallback(async () => {
+    if (resendCountdown > 0) return;
+
+    setIsResending(true);
+    setError(null);
+
+    try {
+      const response = await api.requestOTP(email!);
+
+      if (response.ok) {
+        setResendCountdown(60); // 60 seconds cooldown
+        setCode('');
+      } else {
+        setError(response.error?.message || 'Failed to resend code');
+      }
+    } catch (err) {
+      setError('Failed to resend code. Please try again.');
+    } finally {
+      setIsResending(false);
+    }
+  }, [email, resendCountdown]);
+
+  // Render code input boxes
+  const renderCodeBoxes = () => {
+    const boxes = [];
+    for (let i = 0; i < CODE_LENGTH; i++) {
+      const isActive = i === code.length;
+      const isFilled = i < code.length;
+
+      boxes.push(
+        <View
+          key={i}
+          style={[
+            styles.codeBox,
+            isActive && styles.codeBoxActive,
+            isFilled && styles.codeBoxFilled,
+          ]}
+        >
+          <Text style={styles.codeDigit}>
+            {code[i] || ''}
+          </Text>
+        </View>
+      );
+    }
+    return boxes;
+  };
+
+  return (
+    <KeyboardAvoidingView
+      style={styles.container}
+      behavior={Platform.OS === 'ios' ? 'padding' : 'height'}
+    >
+      <ScrollView
+        contentContainerStyle={styles.scrollContent}
+        keyboardShouldPersistTaps="handled"
+        showsVerticalScrollIndicator={false}
+      >
+        {/* Back Button */}
+        <TouchableOpacity style={styles.backButton} onPress={() => router.back()}>
+          <Ionicons name="arrow-back" size={24} color={AppColors.textPrimary} />
+        </TouchableOpacity>
+
+        {/* Header */}
+        <View style={styles.header}>
+          <View style={styles.iconContainer}>
+            <Ionicons name="mail-open-outline" size={48} color={AppColors.primary} />
+          </View>
+          <Text style={styles.title}>Check your email</Text>
+          <Text style={styles.subtitle}>
+            We sent a verification code to
+          </Text>
+          <Text style={styles.email}>{email}</Text>
+        </View>
+
+        {/* Error */}
+        {error && (
+          <ErrorMessage
+            message={error}
+            onDismiss={() => setError(null)}
+          />
+        )}
+
+        {/* Code Input */}
+        <TouchableOpacity
+          style={styles.codeContainer}
+          activeOpacity={1}
+          onPress={() => inputRef.current?.focus()}
+        >
+          {renderCodeBoxes()}
+        </TouchableOpacity>
+
+        {/* Hidden actual input */}
+        <TextInput
+          ref={inputRef}
+          style={styles.hiddenInput}
+          value={code}
+          onChangeText={handleCodeChange}
+          keyboardType="number-pad"
+          maxLength={CODE_LENGTH}
+          autoComplete="one-time-code"
+          textContentType="oneTimeCode"
+        />
+
+        {/* Verify Button */}
+        <Button
+          title="Verify"
+          onPress={() => handleVerify()}
+          loading={isLoading}
+          disabled={code.length !== CODE_LENGTH}
+          fullWidth
+          size="lg"
+        />
+
+        {/* Resend */}
+        <View style={styles.resendContainer}>
+          <Text style={styles.resendText}>Didn't receive the code? </Text>
+          {resendCountdown > 0 ? (
+            <Text style={styles.resendCountdown}>
+              Resend in {resendCountdown}s
+            </Text>
+          ) : (
+            <TouchableOpacity onPress={handleResend} disabled={isResending}>
+              <Text style={[styles.resendLink, isResending && styles.resendLinkDisabled]}>
+                {isResending ? 'Sending...' : 'Resend'}
+              </Text>
+            </TouchableOpacity>
+          )}
+        </View>
+
+        {/* Change email */}
+        <TouchableOpacity style={styles.changeEmailButton} onPress={() => router.back()}>
+          <Text style={styles.changeEmailText}>Use a different email</Text>
+        </TouchableOpacity>
+      </ScrollView>
+    </KeyboardAvoidingView>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: AppColors.background,
+  },
+  scrollContent: {
+    flexGrow: 1,
+    paddingHorizontal: Spacing.lg,
+    paddingTop: Spacing.xl,
+    paddingBottom: Spacing.xl,
+  },
+  backButton: {
+    width: 40,
+    height: 40,
+    borderRadius: BorderRadius.full,
+    backgroundColor: AppColors.surface,
+    justifyContent: 'center',
+    alignItems: 'center',
+    marginBottom: Spacing.lg,
+  },
+  header: {
+    alignItems: 'center',
+    marginBottom: Spacing.xl,
+  },
+  iconContainer: {
+    width: 80,
+    height: 80,
+    borderRadius: BorderRadius.full,
+    backgroundColor: `${AppColors.primary}15`,
+    justifyContent: 'center',
+    alignItems: 'center',
+    marginBottom: Spacing.lg,
+  },
+  title: {
+    fontSize: FontSizes['2xl'],
+    fontWeight: '700',
+    color: AppColors.textPrimary,
+    marginBottom: Spacing.sm,
+  },
+  subtitle: {
+    fontSize: FontSizes.base,
+    color: AppColors.textSecondary,
+  },
+  email: {
+    fontSize: FontSizes.base,
+    fontWeight: '600',
+    color: AppColors.textPrimary,
+    marginTop: Spacing.xs,
+  },
+  codeContainer: {
+    flexDirection: 'row',
+    justifyContent: 'center',
+    gap: Spacing.sm,
+    marginBottom: Spacing.xl,
+  },
+  codeBox: {
+    width: 48,
+    height: 56,
+    borderRadius: BorderRadius.md,
+    borderWidth: 2,
+    borderColor: AppColors.border,
+    backgroundColor: AppColors.surface,
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  codeBoxActive: {
+    borderColor: AppColors.primary,
+  },
+  codeBoxFilled: {
+    borderColor: AppColors.primary,
+    backgroundColor: `${AppColors.primary}10`,
+  },
+  codeDigit: {
+    fontSize: FontSizes['2xl'],
+    fontWeight: '700',
+    color: AppColors.textPrimary,
+  },
+  hiddenInput: {
+    position: 'absolute',
+    opacity: 0,
+    height: 0,
+    width: 0,
+  },
+  resendContainer: {
+    flexDirection: 'row',
+    justifyContent: 'center',
+    alignItems: 'center',
+    marginTop: Spacing.xl,
+  },
+  resendText: {
+    fontSize: FontSizes.base,
+    color: AppColors.textSecondary,
+  },
+  resendLink: {
+    fontSize: FontSizes.base,
+    color: AppColors.primary,
+    fontWeight: '600',
+  },
+  resendLinkDisabled: {
+    opacity: 0.5,
+  },
+  resendCountdown: {
+    fontSize: FontSizes.base,
+    color: AppColors.textMuted,
+  },
+  changeEmailButton: {
+    alignItems: 'center',
+    marginTop: Spacing.lg,
+  },
+  changeEmailText: {
+    fontSize: FontSizes.sm,
+    color: AppColors.textSecondary,
+    textDecorationLine: 'underline',
+  },
+});
diff --git a/contexts/AuthContext.tsx b/contexts/AuthContext.tsx
index ae9fbb5..d5d6a77 100644
--- a/contexts/AuthContext.tsx
+++ b/contexts/AuthContext.tsx
@@ -1,6 +1,20 @@
-import React, { createContext, useContext, useState, useEffect, useCallback, useRef, type ReactNode } from 'react';
+import React, { createContext, useContext, useState, useEffect, useCallback, type ReactNode } from 'react';
 import { api, setOnUnauthorizedCallback } from '@/services/api';
-import type { User, LoginCredentials, ApiError } from '@/types';
+import type { ApiError } from '@/types';
+
+interface User {
+  id: string;
+  email: string;
+  firstName: string | null;
+  lastName: string | null;
+  phone: string | null;
+  role: string;
+  // Legacy fields for backward compatibility
+  user_id?: number;
+  user_name?: string;
+  max_role?: number;
+  privileges?: string;
+}
 
 interface AuthState {
   user: User | null;
@@ -10,9 +24,9 @@ interface AuthState {
 }
 
 interface AuthContextType extends AuthState {
-  login: (credentials: LoginCredentials) => Promise<boolean>;
   logout: () => Promise<void>;
   clearError: () => void;
+  refreshAuth: () => Promise<void>;
 }
 
 const AuthContext = createContext<AuthContextType | null>(null);
@@ -48,13 +62,35 @@ export function AuthProvider({ children }: { children: ReactNode }) {
     try {
       const isAuth = await api.isAuthenticated();
       if (isAuth) {
-        const user = await api.getStoredUser();
-        setState({
-          user,
-          isLoading: false,
-          isAuthenticated: !!user,
-          error: null,
-        });
+        // Try to get user from new API
+        const response = await api.getMe();
+        if (response.ok && response.data) {
+          const userData = response.data.user;
+          setState({
+            user: {
+              id: userData.id,
+              email: userData.email,
+              firstName: userData.firstName,
+              lastName: userData.lastName,
+              phone: userData.phone,
+              role: userData.role,
+              // Legacy compatibility
+              user_name: userData.email.split('@')[0],
+            },
+            isLoading: false,
+            isAuthenticated: true,
+            error: null,
+          });
+        } else {
+          // Token invalid or expired
+          await api.logout();
+          setState({
+            user: null,
+            isLoading: false,
+            isAuthenticated: false,
+            error: null,
+          });
+        }
       } else {
         setState({
           user: null,
@@ -73,46 +109,8 @@ export function AuthProvider({ children }: { children: ReactNode }) {
     }
   };
 
-  const login = useCallback(async (credentials: LoginCredentials): Promise<boolean> => {
-    setState((prev) => ({ ...prev, isLoading: true, error: null }));
-
-    try {
-      const response = await api.login(credentials.username, credentials.password);
-
-      if (response.ok && response.data) {
-        const user: User = {
-          user_id: response.data.user_id,
-          user_name: credentials.username,
-          max_role: response.data.max_role,
-          privileges: response.data.privileges,
-        };
-
-        setState({
-          user,
-          isLoading: false,
-          isAuthenticated: true,
-          error: null,
-        });
-
-        return true;
-      }
-
-      setState((prev) => ({
-        ...prev,
-        isLoading: false,
-        error: response.error || { message: 'Login failed' },
-      }));
-
-      return false;
-    } catch (error) {
-      setState((prev) => ({
-        ...prev,
-        isLoading: false,
-        error: { message: error instanceof Error ? error.message : 'Login failed' },
-      }));
-
-      return false;
-    }
+  const refreshAuth = useCallback(async () => {
+    await checkAuth();
   }, []);
 
   const logout = useCallback(async () => {
@@ -135,7 +133,7 @@ export function AuthProvider({ children }: { children: ReactNode }) {
   }, []);
 
   return (
-    <AuthContext.Provider value={{ ...state, login, logout, clearError }}>
+    <AuthContext.Provider value={{ ...state, logout, clearError, refreshAuth }}>
       {children}
     </AuthContext.Provider>
   );
diff --git a/services/api.ts b/services/api.ts
index 83000eb..047de57 100644
--- a/services/api.ts
+++ b/services/api.ts
@@ -10,6 +10,7 @@ export function setOnUnauthorizedCallback(callback: () => void) {
 }
 
 const API_BASE_URL = 'https://eluxnetworks.net/function/well-api/api';
+const WELLNUO_API_URL = 'https://wellnuo.smartlaunchhub.com'; // New WellNuo backend
 const CLIENT_ID = 'MA_001';
 
 // Avatar images for elderly beneficiaries - grandmothers (бабушки)
@@ -41,6 +42,51 @@ function formatTimeAgo(date: Date): string {
   return `${diffDays} day${diffDays > 1 ? 's' : ''} ago`;
 }
 
+// Types for new auth flow
+interface OTPRequestResponse {
+  success: boolean;
+  message: string;
+  isNewUser: boolean;
+  _devCode?: string; // Only in dev mode
+}
+
+interface OTPVerifyResponse {
+  success: boolean;
+  token: string;
+  user: {
+    id: string;
+    email: string;
+    firstName: string | null;
+    lastName: string | null;
+    phone: string | null;
+    role: string;
+  };
+  beneficiaries: Array<{
+    id: string;
+    role: string;
+    grantedAt: string;
+    email: string;
+    first_name: string | null;
+    last_name: string | null;
+  }>;
+}
+
+interface MeResponse {
+  user: {
+    id: string;
+    email: string;
+    firstName: string | null;
+    lastName: string | null;
+    phone: string | null;
+    role: string;
+  };
+  beneficiaries: Array<{
+    id: string;
+    role: string;
+    grantedAt: string;
+  }>;
+}
+
 class ApiService {
   private async getToken(): Promise<string | null> {
     try {
@@ -117,6 +163,196 @@ class ApiService {
     }
   }
 
+  // ============ NEW OTP AUTHENTICATION ============
+
+  // Request OTP code to be sent to email
+  async requestOTP(email: string): Promise<ApiResponse<OTPRequestResponse>> {
+    try {
+      const response = await fetch(`${WELLNUO_API_URL}/api/auth/request-otp`, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ email }),
+      });
+
+      const data = await response.json();
+
+      if (response.ok && data.success) {
+        return { data, ok: true };
+      }
+
+      return {
+        ok: false,
+        error: {
+          message: data.error || 'Failed to send OTP',
+          status: response.status,
+        },
+      };
+    } catch (error) {
+      return {
+        ok: false,
+        error: {
+          message: error instanceof Error ? error.message : 'Network error',
+          code: 'NETWORK_ERROR',
+        },
+      };
+    }
+  }
+
+  // Verify OTP code and get JWT token
+  async verifyOTP(email: string, code: string): Promise<ApiResponse<OTPVerifyResponse>> {
+    try {
+      const response = await fetch(`${WELLNUO_API_URL}/api/auth/verify-otp`, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ email, code }),
+      });
+
+      const data = await response.json();
+
+      if (response.ok && data.success) {
+        // Save new auth data
+        await SecureStore.setItemAsync('accessToken', data.token);
+        await SecureStore.setItemAsync('userId', data.user.id);
+        await SecureStore.setItemAsync('userEmail', data.user.email);
+        await SecureStore.setItemAsync('userName', data.user.email.split('@')[0]); // For legacy compatibility
+
+        if (data.user.firstName) {
+          await SecureStore.setItemAsync('userFirstName', data.user.firstName);
+        }
+        if (data.user.lastName) {
+          await SecureStore.setItemAsync('userLastName', data.user.lastName);
+        }
+
+        return { data, ok: true };
+      }
+
+      return {
+        ok: false,
+        error: {
+          message: data.error || 'Invalid or expired code',
+          status: response.status,
+        },
+      };
+    } catch (error) {
+      return {
+        ok: false,
+        error: {
+          message: error instanceof Error ? error.message : 'Network error',
+          code: 'NETWORK_ERROR',
+        },
+      };
+    }
+  }
+
+  // Get current user info from JWT token
+  async getMe(): Promise<ApiResponse<MeResponse>> {
+    const token = await this.getToken();
+
+    if (!token) {
+      return { ok: false, error: { message: 'Not authenticated', code: 'UNAUTHORIZED' } };
+    }
+
+    try {
+      const response = await fetch(`${WELLNUO_API_URL}/api/auth/me`, {
+        method: 'GET',
+        headers: {
+          'Authorization': `Bearer ${token}`,
+        },
+      });
+
+      const data = await response.json();
+
+      if (response.ok && data.user) {
+        return { data, ok: true };
+      }
+
+      if (response.status === 401) {
+        if (onUnauthorizedCallback) {
+          onUnauthorizedCallback();
+        }
+        return {
+          ok: false,
+          error: { message: 'Session expired', code: 'UNAUTHORIZED', status: 401 },
+        };
+      }
+
+      return {
+        ok: false,
+        error: {
+          message: data.error || 'Failed to get user info',
+          status: response.status,
+        },
+      };
+    } catch (error) {
+      return {
+        ok: false,
+        error: {
+          message: error instanceof Error ? error.message : 'Network error',
+          code: 'NETWORK_ERROR',
+        },
+      };
+    }
+  }
+
+  // Update user profile
+  async updateProfile(data: {
+    firstName?: string;
+    lastName?: string;
+    phone?: string;
+  }): Promise<ApiResponse<{ success: boolean; user: MeResponse['user'] }>> {
+    const token = await this.getToken();
+
+    if (!token) {
+      return { ok: false, error: { message: 'Not authenticated', code: 'UNAUTHORIZED' } };
+    }
+
+    try {
+      const response = await fetch(`${WELLNUO_API_URL}/api/auth/profile`, {
+        method: 'PATCH',
+        headers: {
+          'Authorization': `Bearer ${token}`,
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify(data),
+      });
+
+      const result = await response.json();
+
+      if (response.ok && result.success) {
+        // Update local storage
+        if (data.firstName) {
+          await SecureStore.setItemAsync('userFirstName', data.firstName);
+        }
+        if (data.lastName) {
+          await SecureStore.setItemAsync('userLastName', data.lastName);
+        }
+        return { data: result, ok: true };
+      }
+
+      return {
+        ok: false,
+        error: {
+          message: result.error || 'Failed to update profile',
+          status: response.status,
+        },
+      };
+    } catch (error) {
+      return {
+        ok: false,
+        error: {
+          message: error instanceof Error ? error.message : 'Network error',
+          code: 'NETWORK_ERROR',
+        },
+      };
+    }
+  }
+
+  // ============ LEGACY AUTHENTICATION ============
+
   // Authentication
   async login(username: string, password: string): Promise<ApiResponse<AuthResponse>> {
     const response = await this.makeRequest<AuthResponse>({