diff --git a/.vs/VSWorkspaceState.json b/.vs/VSWorkspaceState.json
index 5f3bbad..fc83e70 100644
--- a/.vs/VSWorkspaceState.json
+++ b/.vs/VSWorkspaceState.json
@@ -4,9 +4,11 @@
     "\\assets",
     "\\components",
     "\\model",
+    "\\pages",
     "\\redux",
+    "\\redux\\actions",
     "\\redux\\reducers"
   ],
-  "SelectedNode": "\\app.json",
+  "SelectedNode": "\\components\\DrawingCanva.tsx",
   "PreviewInSolutionExplorer": false
 }
\ No newline at end of file
diff --git a/.vs/iut-expo-starter/FileContentIndex/1da72723-62e4-400a-9980-caea1803fa8c.vsidx b/.vs/iut-expo-starter/FileContentIndex/1da72723-62e4-400a-9980-caea1803fa8c.vsidx
new file mode 100644
index 0000000..118e588
Binary files /dev/null and b/.vs/iut-expo-starter/FileContentIndex/1da72723-62e4-400a-9980-caea1803fa8c.vsidx differ
diff --git a/.vs/iut-expo-starter/FileContentIndex/b55ca5bb-cc34-4338-926a-3d67824b010f.vsidx b/.vs/iut-expo-starter/FileContentIndex/b55ca5bb-cc34-4338-926a-3d67824b010f.vsidx
deleted file mode 100644
index 980a1df..0000000
Binary files a/.vs/iut-expo-starter/FileContentIndex/b55ca5bb-cc34-4338-926a-3d67824b010f.vsidx and /dev/null differ
diff --git a/.vs/iut-expo-starter/FileContentIndex/bcf709fe-9005-4036-9403-134ef8f674a7.vsidx b/.vs/iut-expo-starter/FileContentIndex/f414478a-b19d-43e9-93d2-7485192e5b4e.vsidx
similarity index 100%
rename from .vs/iut-expo-starter/FileContentIndex/bcf709fe-9005-4036-9403-134ef8f674a7.vsidx
rename to .vs/iut-expo-starter/FileContentIndex/f414478a-b19d-43e9-93d2-7485192e5b4e.vsidx
diff --git a/.vs/iut-expo-starter/v17/.wsuo b/.vs/iut-expo-starter/v17/.wsuo
index 3523fd4..c2b8a93 100644
Binary files a/.vs/iut-expo-starter/v17/.wsuo and b/.vs/iut-expo-starter/v17/.wsuo differ
diff --git a/.vs/slnx.sqlite b/.vs/slnx.sqlite
index 77b70f3..44b6a62 100644
Binary files a/.vs/slnx.sqlite and b/.vs/slnx.sqlite differ
diff --git a/App.tsx b/App.tsx
index 07ec5d1..84219ba 100644
--- a/App.tsx
+++ b/App.tsx
@@ -4,18 +4,19 @@ import store from "./redux/store";
 import { Provider } from 'react-redux';
 
 import { StatusBar } from 'expo-status-bar';
-import { Keyboard, SafeAreaView, StyleSheet, TouchableWithoutFeedback } from 'react-native';
+import { Keyboard, SafeAreaView, StyleSheet, TouchableWithoutFeedback} from 'react-native';
 
 import Header from './components/Header';
-import TabBar from './components/TabBar';
+import TabBar from './navigation/TabBar';
 
 export default function App() {
 
+
     return (
     <Provider store={store}>
         <TouchableWithoutFeedback onPress={() => { Keyboard.dismiss(); }}>
             <SafeAreaView style={styles.container}>
-                <Header/>
+                <Header />
                 <TabBar/>
                 <StatusBar style="auto" />
             </SafeAreaView>
@@ -34,9 +35,15 @@ const tabOptions = {
     tabBarInactiveTintColor: "black"
 };
 
+
+
 const styles = StyleSheet.create({
     container: {
         flex: 1,
         backgroundColor: '#FF5C5C',
   },
 });
+
+
+
+
diff --git a/app.json b/app.json
index d7be4f6..43ee5bc 100644
--- a/app.json
+++ b/app.json
@@ -5,7 +5,7 @@
     "version": "1.0.0",
     "orientation": "portrait",
     "icon": "./src/assets/icon.png",
-    "userInterfaceStyle": "light",
+    "userInterfaceStyle": "automatic",
     "splash": {
       "image": "./src/assets/splash.png",
       "resizeMode": "contain",
@@ -23,7 +23,7 @@
     "android": {
       "adaptiveIcon": {
         "foregroundImage": "./src/assets/adaptive-icon.png",
-        "backgroundColor": "#FFFFFF"
+        "backgroundColor": "#FFFFFF",
       }
     },
     "web": {
diff --git a/components/DrawingCanva.tsx b/components/DrawingCanva.tsx
index b50661b..a581c00 100644
--- a/components/DrawingCanva.tsx
+++ b/components/DrawingCanva.tsx
@@ -1,7 +1,7 @@
 import React, {useEffect, useRef, useState }  from 'react';
 import { SketchCanvas, SketchCanvasRef } from 'rn-perfect-sketch-canvas';
-import { StyleSheet, Button, View, Text } from 'react-native';
-import { SvgUri } from 'react-native-svg';
+import { StyleSheet, Button, View, Text, useColorScheme } from 'react-native';
+import { SvgXml } from 'react-native-svg';
 import Slider  from '@react-native-community/slider'
 
 import { useSelector } from 'react-redux';
@@ -13,43 +13,54 @@ type DrawingCanvaProps = {
 
 const DrawingCanva = (props: DrawingCanvaProps) => {
 
+    const style = useColorScheme() == 'light' ? style_light : style_dark;
+
     const canvasRef = useRef<SketchCanvasRef>(null);
     const [strokeWidth, setStroke] = useState(5);
     const [isCanvasReady, setIsCanvasReady] = useState(false);
+    const [imgXml, setImgXml] = useState('<svg></svg>');
 
     const selectedKanji = KanjiMapper.SerializedObjectToKanji(useSelector(state => state.kanjiReducer.selectedKanji));
 
 
     useEffect(() => {
         if (canvasRef.current) {
+            fetchXml();
             setIsCanvasReady(true);
         }
     }, [canvasRef.current]);
 
+    const fetchXml = async () => {
+        const xml = await (await fetch(selectedKanji.image)).text();
+        setImgXml(xml);
+    }
+
 
     return (
-        <View style={styles.container}>
-            {selectedKanji && (<SvgUri
-                width="75%"
-                height="75%"
-                uri={selectedKanji.image}
-                style={styles.back}
-                opacity={0.1}
-            />)}
+        <View style={style.container}>
+            {selectedKanji && (
+                 <SvgXml
+                    xml={imgXml
+                        .replace(/fill="#[0-9a-f]{6}"/g, `fill=${style.svg.color}`)}
+                    width="75%"
+                    height="75%"
+                    opacity={0.1}
+                    style={style.back}
+                />)}
             <SketchCanvas
                 ref={canvasRef}
-                strokeColor={'black'}
+                strokeColor={style.canvas.strokeColor}
                 strokeWidth={strokeWidth}
-                containerStyle={styles.canvas}
+                containerStyle={style.canvas}
             />
             <Slider
-                style={styles.slider}
+                style={style.slider}
                 onValueChange={(val) => setStroke(val)}
                 minimumValue={5}
                 maximumValue={10}
                 minimumTrackTintColor={"#FF5C5C"}
             />
-            {isCanvasReady && (<View style={styles.menu}>
+            {isCanvasReady && (<View style={style.menu}>
                 <Button color="#FF5C5C" onPress={canvasRef.current?.reset} title="Reset" />
                 <Button color="#FF5C5C" onPress={canvasRef.current?.undo} title="Undo" />
             </View>)}
@@ -57,7 +68,42 @@ const DrawingCanva = (props: DrawingCanvaProps) => {
     );
 };
 
-const styles = StyleSheet.create({
+const style_light = StyleSheet.create({
+    svg: {
+      color: "black"  
+    },
+    container: {
+        flex: 1,
+        width: "100%",
+    },
+    back: {
+        alignSelf: "center",
+        width: "75%",
+        height: "75%",
+        position: "absolute"
+    },
+    canvas: {
+        alignSelf: "center",
+        height: "75%",
+        width: "75%",
+        borderWidth: 2,
+        borderColor: "black",
+        strokeColor: "black"
+    },
+    menu: {
+        flexDirection: "row",
+        justifyContent: "space-evenly",
+    },
+    slider: {
+        width: "75%",
+        alignSelf: "center",
+    }
+});
+
+const style_dark = StyleSheet.create({
+    svg: {
+        color: "white"
+    },
     container: {
         flex: 1,
         width: "100%",
@@ -73,7 +119,9 @@ const styles = StyleSheet.create({
         height: "75%",
         width: "75%",
         borderWidth: 2,
-        borderColor: "black"
+        borderColor: "white",
+        strokeColor: "white"
+
     },
     menu: {
         flexDirection: "row",
@@ -85,4 +133,6 @@ const styles = StyleSheet.create({
     }
 });
 
+
+
 export default DrawingCanva;
diff --git a/components/KanjiCard.tsx b/components/KanjiCard.tsx
index dc085ea..f7fdb2a 100644
--- a/components/KanjiCard.tsx
+++ b/components/KanjiCard.tsx
@@ -1,8 +1,7 @@
 import React, { useEffect, useState } from 'react';
-import { StyleSheet, Text, View, Button } from 'react-native';
-import { SvgUri } from 'react-native-svg';
+import { StyleSheet, Text, View, Button, useColorScheme } from 'react-native';
+import { SvgUri, SvgXml } from 'react-native-svg';
 import KanjiAnswerField from './KanjiAnswerField';
-import { Kanji, KanjiMapper } from '../model/kanji';
 
 type KanjiProps = {
     kanji: string;
@@ -10,6 +9,9 @@ type KanjiProps = {
 
 const KanjiCard = (props: KanjiProps) => {
 
+    const kanjiCardStyle = useColorScheme() == 'light' ? kanjiCardStyle_light : kanjiCardStyle_dark;
+
+
     const options = {
         method: 'GET',
         headers: {
@@ -20,11 +22,15 @@ const KanjiCard = (props: KanjiProps) => {
 
     const [loading, setLoading] = useState(true);
     const [res, setData] = useState(null);
+    const [imgXml, setImgXml] = useState('<svg></svg>');
 
     const fetchData = async () => {
         await fetch(`https://kanjialive-api.p.rapidapi.com/api/public/kanji/${props.kanji}`, options)
-            .then(async response => {
-                setData(await response.json());
+            .then(async response => { 
+                const data = await response.json()
+                setData(data);
+                const xml = await (await fetch(data.kanji.video.poster)).text();
+                setImgXml(xml);
             })
             .catch(err => console.log(err)); 
     }
@@ -36,28 +42,56 @@ const KanjiCard = (props: KanjiProps) => {
         });
     }, []);
 
+
+
     return (
             <View style={kanjiCardStyle.container}>
 
-                <Text> {loading ? <Text>Loading...</Text> : <Text>{res.kanji.onyomi.katakana}</Text>}</Text>
-                {!loading && (<SvgUri
+            <Text style={kanjiCardStyle.text}> {loading ? <Text>Loading...</Text> : <Text>{res.kanji.onyomi.katakana}</Text>}</Text>
+            {!loading && (
+                <SvgXml
+                    xml={imgXml
+                        .replace(/fill="#[0-9a-f]{6}"/g, `fill=${kanjiCardStyle.svg.color}`)}
                     width="200"
-                    uri={res.kanji.video.poster}
-                />)}
-                <Text> {loading ? <Text/> : <Text>{res.kanji.meaning.english}</Text>}</Text>
+                    height="200"
+                />
+                    )}
+            <Text style={kanjiCardStyle.text}> {loading ? <Text/> : <Text>{res.kanji.meaning.english}</Text>}</Text>
                 <KanjiAnswerField/>
                 <Button title="OK" color="#FF5C5C" />
             </View>
     );
 };
 
-const kanjiCardStyle = StyleSheet.create({
+const kanjiCardStyle_light = StyleSheet.create({
+    svg: {
+        color: "black",
+    },
+    container: {
+        flex: 1,
+        justifyContent: 'center',
+        alignItems: 'center',
+        width: "100%",
+        height: "100%"
+    },
+    text: {
+        color: "black"
+    }
+})
+
+const kanjiCardStyle_dark = StyleSheet.create({
+    svg: {
+        color: "white",
+    },
     container: {
         flex: 1,
         justifyContent: 'center',
         alignItems: 'center',
         width: "100%",
         height: "100%"
+    },
+    text: {
+        color: "white"
     }
 })
 
diff --git a/components/KanjiPlaygroundList.tsx b/components/KanjiPlaygroundList.tsx
index e36c187..79e7ba1 100644
--- a/components/KanjiPlaygroundList.tsx
+++ b/components/KanjiPlaygroundList.tsx
@@ -1,5 +1,5 @@
 import React from 'react';
-import { FlatList, StyleSheet, Text, TextInput, TouchableOpacity, View } from 'react-native';
+import { FlatList, StyleSheet, Text, TextInput, TouchableOpacity, useColorScheme, View } from 'react-native';
 import { useDispatch, useSelector } from 'react-redux';
 import { Kanji } from '../model/kanji';
 import { setSelectedKanji } from '../redux/actions/setSelectedKanji';
@@ -12,6 +12,9 @@ interface kanjiPlaygroundListProps {
 
 const KanjiPlaygroundList = (props: kanjiPlaygroundListProps) => {
 
+    const kanjiPlaygroundList = useColorScheme() == 'light' ? kanjiPlaygroundList_light : kanjiPlaygroundList_dark;
+
+
     const selectedKanji = useSelector(state => state.kanjiReducer.selectedKanji);
     const dispatch = useDispatch();
 
@@ -35,7 +38,7 @@ const KanjiPlaygroundList = (props: kanjiPlaygroundListProps) => {
     );
 };
 
-const kanjiPlaygroundList = StyleSheet.create({
+const kanjiPlaygroundList_light = StyleSheet.create({
     container: {
         width: '70%',
         height: '30%',
@@ -65,4 +68,35 @@ const kanjiPlaygroundList = StyleSheet.create({
     },
 })
 
+const kanjiPlaygroundList_dark = StyleSheet.create({
+    container: {
+        width: '70%',
+        height: '30%',
+        margin: 5,
+    },
+    entry: {
+        padding: 5,
+        margin: 1,
+        justifyContent: 'center',
+        flex: 1,
+        backgroundColor: '#1c1c1c',
+    },
+    entryText: {
+        fontWeight: "bold",
+        fontSize: 30,
+        textAlign: "center",
+        color: "white"
+    },
+    input: {
+        height: "20%",
+        margin: 12,
+        borderWidth: 1,
+        padding: 10,
+        width: "75%",
+        backgroundColor: "white",
+        borderRadius: 20,
+        alignSelf: "center"
+    },
+})
+
 export default KanjiPlaygroundList;
\ No newline at end of file
diff --git a/components/TabBar.tsx b/navigation/TabBar.tsx
similarity index 85%
rename from components/TabBar.tsx
rename to navigation/TabBar.tsx
index 497af66..f38f197 100644
--- a/components/TabBar.tsx
+++ b/navigation/TabBar.tsx
@@ -1,6 +1,6 @@
 import React from 'react';
 
-import { StyleSheet, TouchableNativeFeedback, View } from 'react-native'
+import { StyleSheet, TouchableNativeFeedback, useColorScheme, View } from 'react-native'
 import { NavigationContainer } from '@react-navigation/native';
 import { BottomTabBarButtonProps, BottomTabNavigationOptions, createBottomTabNavigator } from '@react-navigation/bottom-tabs';
 
@@ -13,8 +13,11 @@ import List from '../pages/List';
 import Playground from '../pages/Playground';
 
 
+
 const LearnButton = (props: BottomTabBarButtonProps) => {
 
+    const learnButtonStyle = useColorScheme() == 'light' ? learnButtonStyle_light : learnButtonStyle_dark;
+
     return (
         <View
         style={{
@@ -33,7 +36,7 @@ const LearnButton = (props: BottomTabBarButtonProps) => {
 
 }
 
-const learnButtonStyle = StyleSheet.create({
+const learnButtonStyle_light = StyleSheet.create({
     button: {
         backgroundColor: "#FF5C5C",
         width: 80,
@@ -44,6 +47,17 @@ const learnButtonStyle = StyleSheet.create({
     }
 });
 
+const learnButtonStyle_dark = StyleSheet.create({
+    button: {
+        backgroundColor: "#FF5C5C",
+        width: 80,
+        height: 80,
+        borderRadius: 40,
+        borderColor: "#2b2b2b",
+        borderWidth: 5
+    }
+});
+
 const TabBar = () => {
 
     const Tab = createBottomTabNavigator();
diff --git a/pages/Learn.tsx b/pages/Learn.tsx
index b2dd97b..89dac0a 100644
--- a/pages/Learn.tsx
+++ b/pages/Learn.tsx
@@ -1,10 +1,13 @@
 import React from 'react';
-import { View, StyleSheet } from 'react-native';
+import { View, StyleSheet, useColorScheme } from 'react-native';
 import KanjiCard from '../components/KanjiCard';
 
 
 const Learn = () => {
 
+    const learnStyle = useColorScheme() == 'light' ? learnStyle_light : learnStyle_dark;
+
+
     return (
         <View style={learnStyle.container}>
             <KanjiCard kanji="所"></KanjiCard>
@@ -12,7 +15,8 @@ const Learn = () => {
     );
 };
 
-const learnStyle = StyleSheet.create({
+
+const learnStyle_light = StyleSheet.create({
     container: {
         flex: 1,
         justifyContent: 'center',
@@ -21,4 +25,14 @@ const learnStyle = StyleSheet.create({
     }
 })
 
+
+const learnStyle_dark = StyleSheet.create({
+    container: {
+        flex: 1,
+        justifyContent: 'center',
+        alignItems: 'center',
+        backgroundColor: '#2B2B2B',
+    },
+});
+
 export default Learn;
\ No newline at end of file
diff --git a/pages/List.tsx b/pages/List.tsx
index 6a88bff..ae40fc1 100644
--- a/pages/List.tsx
+++ b/pages/List.tsx
@@ -1,9 +1,11 @@
 import React  from 'react';
-import { View, StyleSheet } from 'react-native';
+import { View, StyleSheet, useColorScheme } from 'react-native';
 import KanjiList from '../components/KanjiList';
 
 
 const List = () => {
+    
+    const listStyle = useColorScheme() == 'light' ? listStyle_light : listStyle_dark;
 
     return (
         <View style={listStyle.container}>
@@ -12,7 +14,8 @@ const List = () => {
     );
 };
 
-const listStyle = StyleSheet.create({
+
+const listStyle_light = StyleSheet.create({
     container: {
         flex: 1,
         justifyContent: 'center',
@@ -21,4 +24,14 @@ const listStyle = StyleSheet.create({
     }
 })
 
+
+const listStyle_dark = StyleSheet.create({
+    container: {
+        flex: 1,
+        justifyContent: 'center',
+        alignItems: 'center',
+        backgroundColor: '#2B2B2B',
+    },
+});
+
 export default List;
\ No newline at end of file
diff --git a/pages/Playground.tsx b/pages/Playground.tsx
index 24c8e4a..448e902 100644
--- a/pages/Playground.tsx
+++ b/pages/Playground.tsx
@@ -1,5 +1,5 @@
 import React from 'react';
-import { View, StyleSheet } from 'react-native';
+import { View, StyleSheet, useColorScheme } from 'react-native';
 import DrawingCanva from '../components/DrawingCanva';
 import KanjiPlaygroundList from '../components/KanjiPlaygroundList';
 import { Kanji } from '../model/kanji';
@@ -7,6 +7,9 @@ import { Kanji } from '../model/kanji';
 
 const Playground = () => {
     // 親 雨 序 余 貴 郷
+
+    const playgroundStyle = useColorScheme() == 'light' ? playgroundStyle_light : playgroundStyle_dark;
+
     return (
         <View style={playgroundStyle.container}>
             <KanjiPlaygroundList data={[
@@ -19,7 +22,7 @@ const Playground = () => {
     );
 };
 
-const playgroundStyle = StyleSheet.create({
+const playgroundStyle_light = StyleSheet.create({
     container: {
         flex: 1,
         justifyContent: 'center',
@@ -29,4 +32,17 @@ const playgroundStyle = StyleSheet.create({
     }
 })
 
+
+const playgroundStyle_dark = StyleSheet.create({
+    container: {
+        flex: 1,
+        justifyContent: 'center',
+        alignItems: 'center',
+        backgroundColor: '#2B2B2B',
+    },
+});
+
+
+
+
 export default Playground; 
\ No newline at end of file