added login and register

2026-01-27 19:52:36 -08:00
parent b8c241c1a0
commit 4d94888bb8
10 changed files with 960 additions and 151 deletions
--- a/App.tsx
+++ b/App.tsx
@@ -2,16 +2,33 @@ import React from 'react';
 import { StatusBar } from 'expo-status-bar';
 import { NavigationContainer } from '@react-navigation/native';
 import { GestureHandlerRootView } from 'react-native-gesture-handler';
-import { StyleSheet } from 'react-native';
+import { StyleSheet, View, ActivityIndicator } from 'react-native';
 import TabNavigator from './src/navigation/TabNavigator';
+import AuthNavigator from './src/navigation/AuthNavigator';
+import { AuthProvider, useAuth } from './src/context/AuthContext';
+import { colors } from './src/theme/colors';
+
+function AppContent() {
+  const { user } = useAuth();
+
+  return (
+    <NavigationContainer>
+      <StatusBar style="auto" />
+      {user ? (
+        <TabNavigator />
+      ) : (
+        <AuthNavigator />
+      )}
+    </NavigationContainer>
+  );
+}

 export default function App() {
  return (
    <GestureHandlerRootView style={styles.container}>
-      <NavigationContainer>
-        <StatusBar style="auto" />
-        <TabNavigator />
-      </NavigationContainer>
+      <AuthProvider>
+        <AppContent />
+      </AuthProvider>
    </GestureHandlerRootView>
  );
 }
@@ -19,5 +36,13 @@ export default function App() {
 const styles = StyleSheet.create({
  container: {
    flex: 1,
+    backgroundColor: '#000',
+  },
+  loadingContainer: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+    backgroundColor: colors.sentinel.background,
  },
 });
+
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,6 +12,7 @@
        "@expo/vector-icons": "~14.0.4",
        "@react-navigation/bottom-tabs": "^6.6.1",
        "@react-navigation/native": "^6.1.18",
+        "@react-navigation/native-stack": "^6.11.0",
        "expo": "~52.0.0",
        "expo-asset": "~11.0.5",
        "expo-constants": "~17.0.8",
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      }
@@ -5580,7 +5625,6 @@
      "resolved": "https://registry.npmjs.org/expo/-/expo-52.0.48.tgz",
      "integrity": "sha512-/HR/vuo57KGEWlvF3GWaquwEAjXuA5hrOCsaLcZ3pMSA8mQ27qKd1jva4GWzpxXYedlzs/7LLP1XpZo6hXTsog==",
      "license": "MIT",
-      "peer": true,
      "dependencies": {
        "@babel/runtime": "^7.20.0",
        "@expo/cli": "0.22.27",
@@ -9053,7 +9097,6 @@
      "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
      "integrity": "sha512-wS+hAgJShR0KhEvPJArfuPVN1+Hz1t0Y6n5jLrGQbkb4urgPE/0Rve+1kMB1v/oWgHgm4WIcV+i7F2pTVj+2iQ==",
      "license": "MIT",
-      "peer": true,
      "dependencies": {
        "loose-envify": "^1.1.0"
      },
@@ -9137,7 +9180,6 @@
      "resolved": "https://registry.npmjs.org/react-native/-/react-native-0.76.9.tgz",
      "integrity": "sha512-+LRwecWmTDco7OweGsrECIqJu0iyrREd6CTCgC/uLLYipiHvk+MH9nd6drFtCw/6Blz6eoKTcH9YTTJusNtrWg==",
      "license": "MIT",
-      "peer": true,
      "dependencies": {
        "@jest/create-cache-key-function": "^29.6.3",
        "@react-native/assets-registry": "0.76.9",
@@ -9239,7 +9281,6 @@
      "resolved": "https://registry.npmjs.org/react-native-safe-area-context/-/react-native-safe-area-context-4.12.0.tgz",
      "integrity": "sha512-ukk5PxcF4p3yu6qMZcmeiZgowhb5AsKRnil54YFUUAXVIS7PJcMHGGC+q44fCiBg44/1AJk5njGMez1m9H0BVQ==",
      "license": "MIT",
-      "peer": true,
      "peerDependencies": {
        "react": "*",
        "react-native": "*"
@@ -9250,7 +9291,6 @@
      "resolved": "https://registry.npmjs.org/react-native-screens/-/react-native-screens-4.4.0.tgz",
      "integrity": "sha512-c7zc7Zwjty6/pGyuuvh9gK3YBYqHPOxrhXfG1lF4gHlojQSmIx2piNbNaV+Uykj+RDTmFXK0e/hA+fucw/Qozg==",
      "license": "MIT",
-      "peer": true,
      "dependencies": {
        "react-freeze": "^1.0.0",
        "warn-once": "^0.1.0"
--- a/package.json
+++ b/package.json
@@ -13,6 +13,7 @@
    "@expo/vector-icons": "~14.0.4",
    "@react-navigation/bottom-tabs": "^6.6.1",
    "@react-navigation/native": "^6.1.18",
+    "@react-navigation/native-stack": "^6.11.0",
    "expo": "~52.0.0",
    "expo-asset": "~11.0.5",
    "expo-constants": "~17.0.8",
--- a/src/context/AuthContext.tsx
+++ b/src/context/AuthContext.tsx
@@ -0,0 +1,66 @@
+import React, { createContext, useContext, useState, ReactNode } from 'react';
+import { User, LoginRequest, RegisterRequest } from '../types';
+import { authService } from '../services/auth.service';
+import { Alert } from 'react-native';
+
+interface AuthContextType {
+    user: User | null;
+    token: string | null;
+    isLoading: boolean;
+    signIn: (credentials: LoginRequest) => Promise<void>;
+    signUp: (data: RegisterRequest) => Promise<void>;
+    signOut: () => void;
+}
+
+const AuthContext = createContext<AuthContextType | undefined>(undefined);
+
+export function AuthProvider({ children }: { children: ReactNode }) {
+    const [user, setUser] = useState<User | null>(null);
+    const [token, setToken] = useState<string | null>(null);
+    const [isLoading, setIsLoading] = useState(false);
+
+    const signIn = async (credentials: LoginRequest) => {
+        setIsLoading(true);
+        try {
+            const response = await authService.login(credentials);
+            setToken(response.access_token);
+            setUser(response.user);
+        } catch (error) {
+            throw error;
+        } finally {
+            setIsLoading(false);
+        }
+    };
+
+    const signUp = async (data: RegisterRequest) => {
+        setIsLoading(true);
+        try {
+            await authService.register(data);
+            // After successful registration, sign in automatically
+            await signIn({ username: data.username, password: data.password });
+        } catch (error) {
+            throw error;
+        } finally {
+            setIsLoading(false);
+        }
+    };
+
+    const signOut = () => {
+        setUser(null);
+        setToken(null);
+    };
+
+    return (
+        <AuthContext.Provider value={{ user, token, isLoading, signIn, signUp, signOut }}>
+            {children}
+        </AuthContext.Provider>
+    );
+}
+
+export function useAuth() {
+    const context = useContext(AuthContext);
+    if (context === undefined) {
+        throw new Error('useAuth must be used within an AuthProvider');
+    }
+    return context;
+}
--- a/src/navigation/AuthNavigator.tsx
+++ b/src/navigation/AuthNavigator.tsx
@@ -0,0 +1,20 @@
+import React from 'react';
+import { createNativeStackNavigator } from '@react-navigation/native-stack';
+import LoginScreen from '../screens/LoginScreen';
+import RegisterScreen from '../screens/RegisterScreen';
+
+const Stack = createNativeStackNavigator();
+
+export default function AuthNavigator() {
+    return (
+        <Stack.Navigator
+            screenOptions={{
+                headerShown: false,
+                animation: 'slide_from_right',
+            }}
+        >
+            <Stack.Screen name="Login" component={LoginScreen} />
+            <Stack.Screen name="Register" component={RegisterScreen} />
+        </Stack.Navigator>
+    );
+}
--- a/src/screens/LoginScreen.tsx
+++ b/src/screens/LoginScreen.tsx
@@ -0,0 +1,256 @@
+import React, { useState } from 'react';
+import {
+  View,
+  Text,
+  StyleSheet,
+  TextInput,
+  TouchableOpacity,
+  KeyboardAvoidingView,
+  Platform,
+  SafeAreaView,
+  Alert,
+  ActivityIndicator,
+} from 'react-native';
+import { LinearGradient } from 'expo-linear-gradient';
+import { Feather, MaterialCommunityIcons } from '@expo/vector-icons';
+import { colors, spacing, borderRadius, typography, shadows } from '../theme/colors';
+import { useAuth } from '../context/AuthContext';
+
+export default function LoginScreen({ navigation }: any) {
+  const [email, setEmail] = useState('');
+  const [password, setPassword] = useState('');
+  const [error, setError] = useState<string | null>(null);
+  const { signIn, isLoading } = useAuth();
+
+  const handleLogin = async () => {
+    setError(null);
+    if (!email || !password) {
+      setError('Please enter both username and password.');
+      return;
+    }
+
+    try {
+      await signIn({ username: email, password });
+    } catch (err: any) {
+      setError('Login failed. Please check your credentials.');
+    }
+  };
+
+  return (
+    <View style={styles.container}>
+      <LinearGradient
+        colors={[colors.sentinel.backgroundGradientStart, colors.sentinel.backgroundGradientEnd]}
+        style={styles.gradient}
+      >
+        <SafeAreaView style={styles.safeArea}>
+          <KeyboardAvoidingView
+            behavior={Platform.OS === 'ios' ? 'padding' : 'height'}
+            style={styles.content}
+          >
+            <View style={styles.header}>
+              <View style={styles.logoContainer}>
+                <MaterialCommunityIcons name="anchor" size={48} color={colors.sentinel.primary} />
+              </View>
+              <Text style={styles.title}>Welcome Aboard!</Text>
+              <Text style={styles.subtitle}>Sign in to access your sanctuaryy</Text>
+              {error && (
+                <View style={styles.errorContainer}>
+                  <MaterialCommunityIcons name="alert-circle-outline" size={20} color={colors.sentinel.statusCritical} />
+                  <Text style={styles.errorText}>{error}</Text>
+                </View>
+              )}
+            </View>
+
+            <View style={styles.form}>
+              <View style={styles.inputContainer}>
+                <Feather name="mail" size={20} color={colors.sentinel.textSecondary} style={styles.inputIcon} />
+                <TextInput
+                  style={styles.input}
+                  placeholder="Username"
+                  placeholderTextColor={colors.sentinel.textSecondary}
+                  value={email}
+                  onChangeText={setEmail}
+                  autoCapitalize="none"
+                />
+              </View>
+
+              <View style={styles.inputContainer}>
+                <Feather name="lock" size={20} color={colors.sentinel.textSecondary} style={styles.inputIcon} />
+                <TextInput
+                  style={styles.input}
+                  placeholder="Password"
+                  placeholderTextColor={colors.sentinel.textSecondary}
+                  value={password}
+                  onChangeText={setPassword}
+                  secureTextEntry
+                />
+              </View>
+
+              <TouchableOpacity style={styles.forgotButton}>
+                <Text style={styles.forgotText}>Forgot Password?</Text>
+              </TouchableOpacity>
+
+              <TouchableOpacity
+                style={styles.loginButton}
+                activeOpacity={0.8}
+                onPress={handleLogin}
+                disabled={isLoading}
+              >
+                {isLoading ? (
+                  <ActivityIndicator color={colors.white} />
+                ) : (
+                  <Text style={styles.loginButtonText}>Login</Text>
+                )}
+              </TouchableOpacity>
+
+              <View style={styles.divider}>
+                <View style={styles.dividerLine} />
+                <Text style={styles.dividerText}>OR</Text>
+                <View style={styles.dividerLine} />
+              </View>
+
+              <TouchableOpacity
+                style={styles.registerLink}
+                onPress={() => navigation.navigate('Register')}
+              >
+                <Text style={styles.registerText}>
+                  Don't have an account? <Text style={styles.registerHighlight}>Join the Fleet</Text>
+                </Text>
+              </TouchableOpacity>
+            </View>
+          </KeyboardAvoidingView>
+        </SafeAreaView>
+      </LinearGradient>
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+  },
+  gradient: {
+    flex: 1,
+  },
+  safeArea: {
+    flex: 1,
+  },
+  content: {
+    flex: 1,
+    paddingHorizontal: spacing.lg,
+    justifyContent: 'center',
+  },
+  header: {
+    alignItems: 'center',
+    marginBottom: spacing.xxl,
+  },
+  logoContainer: {
+    width: 80,
+    height: 80,
+    borderRadius: borderRadius.full,
+    backgroundColor: 'rgba(255, 255, 255, 0.1)',
+    alignItems: 'center',
+    justifyContent: 'center',
+    marginBottom: spacing.lg,
+    borderWidth: 1,
+    borderColor: 'rgba(184, 224, 229, 0.2)',
+  },
+  title: {
+    fontSize: typography.fontSize.xxl,
+    fontWeight: 'bold',
+    color: colors.sentinel.text,
+    marginBottom: spacing.xs,
+    letterSpacing: 0.5,
+  },
+  subtitle: {
+    fontSize: typography.fontSize.base,
+    color: colors.sentinel.textSecondary,
+    marginBottom: spacing.md,
+  },
+  errorContainer: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    backgroundColor: 'rgba(255, 68, 68, 0.1)',
+    padding: spacing.sm,
+    borderRadius: borderRadius.md,
+    marginTop: spacing.sm,
+    borderWidth: 1,
+    borderColor: 'rgba(255, 68, 68, 0.2)',
+  },
+  errorText: {
+    color: colors.sentinel.statusCritical,
+    fontSize: typography.fontSize.sm,
+    marginLeft: spacing.xs,
+    fontWeight: '500',
+  },
+  form: {
+    width: '100%',
+  },
+  inputContainer: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    backgroundColor: 'rgba(255, 255, 255, 0.05)',
+    borderRadius: borderRadius.lg,
+    borderWidth: 1,
+    borderColor: 'rgba(184, 224, 229, 0.1)',
+    marginBottom: spacing.base,
+    height: 56,
+    paddingHorizontal: spacing.base,
+  },
+  inputIcon: {
+    marginRight: spacing.md,
+  },
+  input: {
+    flex: 1,
+    color: colors.sentinel.text,
+    fontSize: typography.fontSize.base,
+  },
+  forgotButton: {
+    alignSelf: 'flex-end',
+    marginBottom: spacing.lg,
+  },
+  forgotText: {
+    color: colors.sentinel.primary,
+    fontSize: typography.fontSize.sm,
+  },
+  loginButton: {
+    backgroundColor: colors.nautical.teal,
+    height: 56,
+    borderRadius: borderRadius.lg,
+    alignItems: 'center',
+    justifyContent: 'center',
+    ...shadows.glow,
+  },
+  loginButtonText: {
+    color: colors.white,
+    fontSize: typography.fontSize.md,
+    fontWeight: 'bold',
+    letterSpacing: 0.5,
+  },
+  divider: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    marginVertical: spacing.xl,
+  },
+  dividerLine: {
+    flex: 1,
+    height: 1,
+    backgroundColor: 'rgba(184, 224, 229, 0.1)',
+  },
+  dividerText: {
+    color: colors.sentinel.textSecondary,
+    paddingHorizontal: spacing.md,
+    fontSize: typography.fontSize.sm,
+  },
+  registerLink: {
+    alignItems: 'center',
+  },
+  registerText: {
+    color: colors.sentinel.textSecondary,
+    fontSize: typography.fontSize.base,
+  },
+  registerHighlight: {
+    color: colors.sentinel.primary,
+    fontWeight: 'bold',
+  },
+});
--- a/src/screens/MeScreen.tsx
+++ b/src/screens/MeScreen.tsx
@@ -13,6 +13,7 @@ import {
 import { LinearGradient } from 'expo-linear-gradient';
 import { Ionicons, Feather, MaterialCommunityIcons, FontAwesome5 } from '@expo/vector-icons';
 import { colors, typography, spacing, borderRadius, shadows } from '../theme/colors';
+import { useAuth } from '../context/AuthContext';

 // Sentinel Protocol Status
 const protocolStatus = {
@@ -179,21 +180,22 @@ export default function MeScreen() {
  const [triggerGraceDays, setTriggerGraceDays] = useState(15);
  const [triggerSource, setTriggerSource] = useState<'dual' | 'subscription' | 'activity'>('dual');
  const [triggerKillSwitch, setTriggerKillSwitch] = useState(true);
+  const { user, signOut } = useAuth();

  const handleOpenLink = (url: string) => {
-    Linking.openURL(url).catch(() => {});
+    Linking.openURL(url).catch(() => { });
  };

  const handleAbandonIsland = () => {
    Alert.alert(
-      'Abandon Island',
-      'Are you sure you want to delete your account? This action is irreversible. All your data, including vault contents, will be permanently destroyed.',
+      'Sign Out',
+      'Are you sure you want to sign out?',
      [
        { text: 'Cancel', style: 'cancel' },
        {
-          text: 'Delete Account', 
+          text: 'Sign Out',
          style: 'destructive',
-          onPress: () => Alert.alert('Account Deletion', 'Please contact support to proceed with account deletion.')
+          onPress: signOut
        },
      ]
    );
@@ -235,11 +237,11 @@ export default function MeScreen() {
                  </View>
                </View>
                <View style={styles.profileInfo}>
-                  <Text style={styles.profileName}>Captain</Text>
+                  <Text style={styles.profileName}>{user?.username || 'Captain'}</Text>
                  <Text style={styles.profileTitle}>MASTER OF THE SANCTUM</Text>
                  <View style={styles.profileBadge}>
                    <MaterialCommunityIcons name="crown" size={12} color={colors.nautical.gold} />
-                    <Text style={styles.profileBadgeText}>Pro Member</Text>
+                    <Text style={styles.profileBadgeText}>{user?.tier || 'Pro Member'}</Text>
                  </View>
                </View>
              </View>
@@ -309,14 +311,14 @@ export default function MeScreen() {
              ))}
            </View>

-            {/* Abandon Island Button */}
+            {/* Abandon Island Button (Logout for now) */}
            <TouchableOpacity
              style={styles.abandonButton}
              onPress={handleAbandonIsland}
              activeOpacity={0.8}
            >
              <Feather name="log-out" size={18} color={colors.nautical.coral} />
-              <Text style={styles.abandonButtonText}>ABANDON ISLAND</Text>
+              <Text style={styles.abandonButtonText}>SIGN OUT</Text>
            </TouchableOpacity>

            {/* Settings Menu */}
@@ -661,7 +663,7 @@ export default function MeScreen() {
          activeOpacity={1}
          onPress={() => setShowTideModal(false)}
        >
-          <TouchableOpacity activeOpacity={1} onPress={() => {}}>
+          <TouchableOpacity activeOpacity={1} onPress={() => { }}>
            <View style={styles.spiritModal}>
              <View style={styles.spiritHeader}>
                <View style={styles.spiritIcon}>
--- a/src/screens/RegisterScreen.tsx
+++ b/src/screens/RegisterScreen.tsx
@@ -0,0 +1,290 @@
+import React, { useState } from 'react';
+import {
+    View,
+    Text,
+    StyleSheet,
+    TextInput,
+    TouchableOpacity,
+    KeyboardAvoidingView,
+    Platform,
+    SafeAreaView,
+    ScrollView,
+    Alert,
+} from 'react-native';
+import { LinearGradient } from 'expo-linear-gradient';
+import { Feather, MaterialCommunityIcons } from '@expo/vector-icons';
+import { colors, spacing, borderRadius, typography, shadows } from '../theme/colors';
+import { useAuth } from '../context/AuthContext';
+import { ActivityIndicator } from 'react-native';
+
+export default function RegisterScreen({ navigation }: any) {
+    const [name, setName] = useState('');
+    const [email, setEmail] = useState('');
+    const [password, setPassword] = useState('');
+    const [confirmPassword, setConfirmPassword] = useState('');
+    const [error, setError] = useState<string | null>(null);
+    const { signUp, isLoading } = useAuth();
+
+    const handleRegister = async () => {
+        setError(null);
+        if (!name || !email || !password || !confirmPassword) {
+            setError('Please fill in all fields.');
+            return;
+        }
+
+        if (password !== confirmPassword) {
+            setError('Passwords do not match.');
+            return;
+        }
+
+        const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
+        if (!emailRegex.test(email)) {
+            setError('Please enter a valid email address.');
+            return;
+        }
+
+        try {
+            await signUp({ username: name, email, password });
+        } catch (err: any) {
+            setError(err.message || 'Registration failed. Please try again.');
+        }
+    };
+
+    return (
+        <View style={styles.container}>
+            <LinearGradient
+                colors={[colors.sentinel.backgroundGradientStart, colors.sentinel.backgroundGradientEnd]}
+                style={styles.gradient}
+            >
+                <SafeAreaView style={styles.safeArea}>
+                    <KeyboardAvoidingView
+                        behavior={Platform.OS === 'ios' ? 'padding' : 'height'}
+                        style={styles.content}
+                    >
+                        <ScrollView
+                            showsVerticalScrollIndicator={false}
+                            contentContainerStyle={styles.scrollContent}
+                        >
+                            <TouchableOpacity
+                                style={styles.backButton}
+                                onPress={() => navigation.goBack()}
+                            >
+                                <Feather name="arrow-left" size={24} color={colors.sentinel.text} />
+                            </TouchableOpacity>
+
+                            <View style={styles.header}>
+                                <View style={styles.logoContainer}>
+                                    <MaterialCommunityIcons name="compass-outline" size={48} color={colors.sentinel.primary} />
+                                </View>
+                                <Text style={styles.title}>Join the Fleet</Text>
+                                <Text style={styles.subtitle}>Begin your journey with Sentinel</Text>
+                                {error && (
+                                    <View style={styles.errorContainer}>
+                                        <MaterialCommunityIcons name="alert-circle-outline" size={20} color={colors.sentinel.statusCritical} />
+                                        <Text style={styles.errorText}>{error}</Text>
+                                    </View>
+                                )}
+                            </View>
+
+                            <View style={styles.form}>
+                                <View style={styles.inputContainer}>
+                                    <Feather name="user" size={20} color={colors.sentinel.textSecondary} style={styles.inputIcon} />
+                                    <TextInput
+                                        style={styles.input}
+                                        placeholder="Captain's Name"
+                                        placeholderTextColor={colors.sentinel.textSecondary}
+                                        value={name}
+                                        onChangeText={setName}
+                                    />
+                                </View>
+
+                                <View style={styles.inputContainer}>
+                                    <Feather name="mail" size={20} color={colors.sentinel.textSecondary} style={styles.inputIcon} />
+                                    <TextInput
+                                        style={styles.input}
+                                        placeholder="Email"
+                                        placeholderTextColor={colors.sentinel.textSecondary}
+                                        value={email}
+                                        onChangeText={setEmail}
+                                        autoCapitalize="none"
+                                        keyboardType="email-address"
+                                    />
+                                </View>
+
+                                <View style={styles.inputContainer}>
+                                    <Feather name="lock" size={20} color={colors.sentinel.textSecondary} style={styles.inputIcon} />
+                                    <TextInput
+                                        style={styles.input}
+                                        placeholder="Password"
+                                        placeholderTextColor={colors.sentinel.textSecondary}
+                                        value={password}
+                                        onChangeText={setPassword}
+                                        secureTextEntry
+                                    />
+                                </View>
+
+                                <View style={styles.inputContainer}>
+                                    <Feather name="check-circle" size={20} color={colors.sentinel.textSecondary} style={styles.inputIcon} />
+                                    <TextInput
+                                        style={styles.input}
+                                        placeholder="Confirm Password"
+                                        placeholderTextColor={colors.sentinel.textSecondary}
+                                        value={confirmPassword}
+                                        onChangeText={setConfirmPassword}
+                                        secureTextEntry
+                                    />
+                                </View>
+
+                                <TouchableOpacity
+                                    style={[styles.registerButton, isLoading && styles.disabledButton]}
+                                    activeOpacity={0.8}
+                                    onPress={handleRegister}
+                                    disabled={isLoading}
+                                >
+                                    {isLoading ? (
+                                        <ActivityIndicator color={colors.white} />
+                                    ) : (
+                                        <Text style={styles.registerButtonText}>Create Account</Text>
+                                    )}
+                                </TouchableOpacity>
+
+                                <TouchableOpacity
+                                    style={styles.loginLink}
+                                    onPress={() => navigation.navigate('Login')}
+                                >
+                                    <Text style={styles.loginLinkText}>
+                                        Already have an account? <Text style={styles.highlight}>Login</Text>
+                                    </Text>
+                                </TouchableOpacity>
+                            </View>
+                        </ScrollView>
+                    </KeyboardAvoidingView>
+                </SafeAreaView>
+            </LinearGradient>
+        </View>
+    );
+}
+
+const styles = StyleSheet.create({
+    container: {
+        flex: 1,
+    },
+    gradient: {
+        flex: 1,
+    },
+    safeArea: {
+        flex: 1,
+    },
+    content: {
+        flex: 1,
+    },
+    scrollContent: {
+        flexGrow: 1,
+        paddingHorizontal: spacing.lg,
+        paddingBottom: spacing.xl,
+    },
+    backButton: {
+        marginTop: spacing.md,
+        marginBottom: spacing.lg,
+        width: 40,
+        height: 40,
+        borderRadius: borderRadius.full,
+        backgroundColor: 'rgba(255, 255, 255, 0.05)',
+        alignItems: 'center',
+        justifyContent: 'center',
+    },
+    header: {
+        alignItems: 'center',
+        marginBottom: spacing.xl,
+    },
+    logoContainer: {
+        width: 80,
+        height: 80,
+        borderRadius: borderRadius.full,
+        backgroundColor: 'rgba(255, 255, 255, 0.1)',
+        alignItems: 'center',
+        justifyContent: 'center',
+        marginBottom: spacing.lg,
+        borderWidth: 1,
+        borderColor: 'rgba(184, 224, 229, 0.2)',
+    },
+    title: {
+        fontSize: typography.fontSize.xxl,
+        fontWeight: 'bold',
+        color: colors.sentinel.text,
+        marginBottom: spacing.xs,
+        letterSpacing: 0.5,
+    },
+    subtitle: {
+        fontSize: typography.fontSize.base,
+        color: colors.sentinel.textSecondary,
+    },
+    form: {
+        width: '100%',
+    },
+    inputContainer: {
+        flexDirection: 'row',
+        alignItems: 'center',
+        backgroundColor: 'rgba(255, 255, 255, 0.05)',
+        borderRadius: borderRadius.lg,
+        borderWidth: 1,
+        borderColor: 'rgba(184, 224, 229, 0.1)',
+        marginBottom: spacing.base,
+        height: 56,
+        paddingHorizontal: spacing.base,
+    },
+    inputIcon: {
+        marginRight: spacing.md,
+    },
+    input: {
+        flex: 1,
+        color: colors.sentinel.text,
+        fontSize: typography.fontSize.base,
+    },
+    registerButton: {
+        backgroundColor: colors.nautical.seafoam,
+        height: 56,
+        borderRadius: borderRadius.lg,
+        alignItems: 'center',
+        justifyContent: 'center',
+        marginTop: spacing.md,
+        ...shadows.glow,
+    },
+    registerButtonText: {
+        color: colors.white,
+        fontSize: typography.fontSize.md,
+        fontWeight: 'bold',
+        letterSpacing: 0.5,
+    },
+    loginLink: {
+        alignItems: 'center',
+        marginTop: spacing.xl,
+    },
+    loginLinkText: {
+        color: colors.sentinel.textSecondary,
+        fontSize: typography.fontSize.base,
+    },
+    highlight: {
+        color: colors.nautical.seafoam,
+        fontWeight: 'bold',
+    },
+    disabledButton: {
+        opacity: 0.7,
+    },
+    errorContainer: {
+        flexDirection: 'row',
+        alignItems: 'center',
+        backgroundColor: 'rgba(255, 68, 68, 0.1)',
+        padding: spacing.sm,
+        borderRadius: borderRadius.md,
+        marginTop: spacing.md,
+        borderWidth: 1,
+        borderColor: 'rgba(255, 68, 68, 0.2)',
+    },
+    errorText: {
+        color: colors.sentinel.statusCritical,
+        fontSize: typography.fontSize.sm,
+        marginLeft: spacing.xs,
+        fontWeight: '500',
+    },
+});
--- a/src/services/auth.service.ts
+++ b/src/services/auth.service.ts
@@ -0,0 +1,80 @@
+import { LoginRequest, LoginResponse, RegisterRequest, User } from '../types';
+
+const PLATFORM_URL = 'http://192.168.56.103:8000';
+const no_backend_mode = true;
+
+const MOCK_USER: User = {
+    id: 999,
+    username: 'MockCaptain',
+    public_key: 'mock_public_key',
+    is_admin: true,
+    guale: false,
+    tier: 'premium',
+    tier_expires_at: '2026-12-31T23:59:59Z',
+    last_active_at: new Date().toISOString(),
+};
+
+export const authService = {
+    async login(credentials: LoginRequest): Promise<LoginResponse> {
+        if (no_backend_mode) {
+            console.log('No-Backend Mode: Simulating login...');
+            return new Promise((resolve) => {
+                setTimeout(() => {
+                    resolve({
+                        access_token: 'mock_access_token',
+                        token_type: 'bearer',
+                        user: { ...MOCK_USER, username: credentials.username },
+                    });
+                }, 200);
+            });
+        }
+        try {
+            const response = await fetch(`${PLATFORM_URL}/login`, {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json',
+                },
+                body: JSON.stringify(credentials),
+            });
+
+            if (!response.ok) {
+                throw new Error('Login failed');
+            }
+
+            return await response.json();
+        } catch (error) {
+            console.error('Login error:', error);
+            throw error;
+        }
+    },
+
+    async register(data: RegisterRequest): Promise<User> {
+        if (no_backend_mode) {
+            console.log('No-Backend Mode: Simulating registration...');
+            return new Promise((resolve) => {
+                setTimeout(() => {
+                    resolve({ ...MOCK_USER, username: data.username });
+                }, 200);
+            });
+        }
+        try {
+            const response = await fetch(`${PLATFORM_URL}/register`, {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json',
+                },
+                body: JSON.stringify(data),
+            });
+
+            if (!response.ok) {
+                const errorData = await response.json().catch(() => ({}));
+                throw new Error(errorData.detail?.[0]?.msg || 'Registration failed');
+            }
+
+            return await response.json();
+        } catch (error) {
+            console.error('Registration error:', error);
+            throw error;
+        }
+    },
+};
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -72,3 +72,32 @@ export interface ProtocolInfo {
  version: string;
  lastUpdated: Date;
 }
+
+// Auth Types
+export interface User {
+  id: number;
+  username: string;
+  public_key: string;
+  is_admin: boolean;
+  guale: boolean;
+  tier: string;
+  tier_expires_at: string;
+  last_active_at: string;
+}
+
+export interface LoginRequest {
+  username: string;
+  password: string;
+}
+
+export interface RegisterRequest {
+  username: string;
+  password: string;
+  email: string;
+}
+
+export interface LoginResponse {
+  access_token: string;
+  token_type: string;
+  user: User;
+}