diff --git a/native/chat/settings/delete-thread.react.js b/native/chat/settings/delete-thread.react.js
index 8d6c2f658..6be2a0b3f 100644
--- a/native/chat/settings/delete-thread.react.js
+++ b/native/chat/settings/delete-thread.react.js
@@ -1,318 +1,333 @@
 // @flow
 
 import invariant from 'invariant';
 import * as React from 'react';
 import {
   Text,
   View,
   TextInput as BaseTextInput,
   ScrollView,
   Alert,
   ActivityIndicator,
 } from 'react-native';
 
 import {
   deleteThreadActionTypes,
   deleteThread,
 } from 'lib/actions/thread-actions';
 import { createLoadingStatusSelector } from 'lib/selectors/loading-selectors';
 import { threadInfoSelector } from 'lib/selectors/thread-selectors';
 import { identifyInvalidatedThreads } from 'lib/shared/thread-utils';
 import type { LoadingStatus } from 'lib/types/loading-types';
 import type { ThreadInfo, LeaveThreadPayload } from 'lib/types/thread-types';
 import {
   useServerCall,
   useDispatchActionPromise,
   type DispatchActionPromise,
 } from 'lib/utils/action-utils';
 
 import Button from '../../components/button.react';
 import TextInput from '../../components/text-input.react';
 import { clearThreadsActionType } from '../../navigation/action-types';
 import {
   NavContext,
   type NavAction,
 } from '../../navigation/navigation-context';
 import type { NavigationRoute } from '../../navigation/route-names';
 import { useSelector } from '../../redux/redux-utils';
 import { type Colors, useColors, useStyles } from '../../themes/colors';
 import type { GlobalTheme } from '../../types/themes';
 import type { ChatNavigationProp } from '../chat.react';
 
 export type DeleteThreadParams = {
   +threadInfo: ThreadInfo,
 };
 
 type BaseProps = {
   +navigation: ChatNavigationProp<'DeleteThread'>,
   +route: NavigationRoute<'DeleteThread'>,
 };
 type Props = {
   ...BaseProps,
   // Redux state
   +threadInfo: ?ThreadInfo,
   +loadingStatus: LoadingStatus,
   +activeTheme: ?GlobalTheme,
   +colors: Colors,
   +styles: typeof unboundStyles,
   // Redux dispatch functions
   +dispatchActionPromise: DispatchActionPromise,
   // async functions that hit server APIs
   +deleteThread: (
     threadID: string,
     currentAccountPassword: string,
   ) => Promise<LeaveThreadPayload>,
   // withNavContext
   +navDispatch: (action: NavAction) => void,
 };
 type State = {
   +password: string,
 };
 class DeleteThread extends React.PureComponent<Props, State> {
   state: State = {
     password: '',
   };
   mounted = false;
   passwordInput: ?React.ElementRef<typeof BaseTextInput>;
 
   static getThreadInfo(props: Props): ThreadInfo {
     const { threadInfo } = props;
     if (threadInfo) {
       return threadInfo;
     }
     return props.route.params.threadInfo;
   }
 
   componentDidMount() {
     this.mounted = true;
   }
 
   componentWillUnmount() {
     this.mounted = false;
   }
 
   guardedSetState(change, callback) {
     if (this.mounted) {
       this.setState(change, callback);
     }
   }
 
   componentDidUpdate(prevProps: Props) {
     const oldReduxThreadInfo = prevProps.threadInfo;
     const newReduxThreadInfo = this.props.threadInfo;
     if (newReduxThreadInfo && newReduxThreadInfo !== oldReduxThreadInfo) {
       this.props.navigation.setParams({ threadInfo: newReduxThreadInfo });
     }
   }
 
   render() {
     const buttonContent =
       this.props.loadingStatus === 'loading' ? (
         <ActivityIndicator size="small" color="white" />
       ) : (
         <Text style={this.props.styles.deleteText}>Delete chat</Text>
       );
     const threadInfo = DeleteThread.getThreadInfo(this.props);
     const { panelForegroundTertiaryLabel } = this.props.colors;
     return (
       <ScrollView
         contentContainerStyle={this.props.styles.scrollViewContentContainer}
         style={this.props.styles.scrollView}
       >
         <View>
           <Text style={this.props.styles.warningText}>
             {`The chat "${threadInfo.uiName}" will be permanently deleted. `}
             There is no way to reverse this.
           </Text>
         </View>
         <Text style={this.props.styles.header}>PASSWORD</Text>
         <View style={this.props.styles.section}>
           <TextInput
             style={this.props.styles.input}
             value={this.state.password}
             onChangeText={this.onChangePasswordText}
             placeholder="Password"
             placeholderTextColor={panelForegroundTertiaryLabel}
             secureTextEntry={true}
             textContentType="password"
             autoComplete="password"
             returnKeyType="go"
             onSubmitEditing={this.submitDeletion}
             ref={this.passwordInputRef}
           />
         </View>
         <Button
           onPress={this.submitDeletion}
-          style={this.props.styles.deleteButton}
+          style={[
+            this.props.styles.baseDeleteButton,
+            this.state.password === ''
+              ? this.props.styles.deleteButtonDisabled
+              : this.props.styles.deleteButtonEnabled,
+          ]}
+          disabled={this.state.password === ''}
         >
           {buttonContent}
         </Button>
       </ScrollView>
     );
   }
 
   onChangePasswordText = (newPassword: string) => {
     this.guardedSetState({ password: newPassword });
   };
 
   passwordInputRef = (
     passwordInput: ?React.ElementRef<typeof BaseTextInput>,
   ) => {
     this.passwordInput = passwordInput;
   };
 
   focusPasswordInput = () => {
     invariant(this.passwordInput, 'passwordInput should be set');
     this.passwordInput.focus();
   };
 
   submitDeletion = () => {
+    if (this.state.password === '') {
+      return;
+    }
+
     this.props.dispatchActionPromise(
       deleteThreadActionTypes,
       this.deleteThread(),
     );
   };
 
   async deleteThread() {
     const threadInfo = DeleteThread.getThreadInfo(this.props);
     const { navDispatch } = this.props;
     navDispatch({
       type: clearThreadsActionType,
       payload: { threadIDs: [threadInfo.id] },
     });
     try {
       const result = await this.props.deleteThread(
         threadInfo.id,
         this.state.password,
       );
       const invalidated = identifyInvalidatedThreads(
         result.updatesResult.newUpdates,
       );
       navDispatch({
         type: clearThreadsActionType,
         payload: { threadIDs: [...invalidated] },
       });
       return result;
     } catch (e) {
       if (
         e.message === 'invalid_credentials' ||
         e.message === 'invalid_parameters'
       ) {
         Alert.alert(
           'Incorrect password',
           'The password you entered is incorrect',
           [{ text: 'OK', onPress: this.onErrorAlertAcknowledged }],
           { cancelable: false },
         );
       } else {
         Alert.alert(
           'Unknown error',
           'Uhh... try again?',
           [{ text: 'OK', onPress: this.onErrorAlertAcknowledged }],
           { cancelable: false },
         );
       }
     }
   }
 
   onErrorAlertAcknowledged = () => {
     this.guardedSetState({ password: '' }, this.focusPasswordInput);
   };
 }
 
 const unboundStyles = {
-  deleteButton: {
-    backgroundColor: 'redButton',
+  baseDeleteButton: {
     borderRadius: 5,
     flex: 1,
     marginHorizontal: 24,
     marginVertical: 12,
     padding: 12,
   },
+  deleteButtonEnabled: {
+    backgroundColor: 'redButton',
+  },
+  deleteButtonDisabled: {
+    backgroundColor: 'disabledButton',
+  },
   deleteText: {
     color: 'white',
     fontSize: 18,
     textAlign: 'center',
   },
   header: {
     color: 'panelBackgroundLabel',
     fontSize: 12,
     fontWeight: '400',
     paddingBottom: 3,
     paddingHorizontal: 24,
   },
   input: {
     color: 'panelForegroundLabel',
     flex: 1,
     fontFamily: 'Arial',
     fontSize: 16,
     paddingVertical: 0,
     borderBottomColor: 'transparent',
   },
   scrollView: {
     backgroundColor: 'panelBackground',
   },
   scrollViewContentContainer: {
     paddingTop: 24,
   },
   section: {
     backgroundColor: 'panelForeground',
     borderBottomWidth: 1,
     borderColor: 'panelForegroundBorder',
     borderTopWidth: 1,
     flexDirection: 'row',
     justifyContent: 'space-between',
     marginBottom: 24,
     paddingHorizontal: 24,
     paddingVertical: 12,
   },
   warningText: {
     color: 'panelForegroundLabel',
     fontSize: 16,
     marginBottom: 24,
     marginHorizontal: 24,
     textAlign: 'center',
   },
 };
 
 const loadingStatusSelector = createLoadingStatusSelector(
   deleteThreadActionTypes,
 );
 
 const ConnectedDeleteThread: React.ComponentType<BaseProps> = React.memo<BaseProps>(
   function ConnectedDeleteThread(props: BaseProps) {
     const threadID = props.route.params.threadInfo.id;
     const threadInfo = useSelector(
       state => threadInfoSelector(state)[threadID],
     );
 
     const loadingStatus = useSelector(loadingStatusSelector);
     const activeTheme = useSelector(state => state.globalThemeInfo.activeTheme);
 
     const colors = useColors();
     const styles = useStyles(unboundStyles);
 
     const dispatchActionPromise = useDispatchActionPromise();
     const callDeleteThread = useServerCall(deleteThread);
 
     const navContext = React.useContext(NavContext);
     invariant(navContext, 'NavContext should be set in DeleteThread');
     const navDispatch = navContext.dispatch;
 
     return (
       <DeleteThread
         {...props}
         threadInfo={threadInfo}
         loadingStatus={loadingStatus}
         activeTheme={activeTheme}
         colors={colors}
         styles={styles}
         dispatchActionPromise={dispatchActionPromise}
         deleteThread={callDeleteThread}
         navDispatch={navDispatch}
       />
     );
   },
 );
 
 export default ConnectedDeleteThread;
diff --git a/native/themes/colors.js b/native/themes/colors.js
index efbc626e7..a571b43ac 100644
--- a/native/themes/colors.js
+++ b/native/themes/colors.js
@@ -1,288 +1,290 @@
 // @flow
 
 import * as React from 'react';
 import { StyleSheet } from 'react-native';
 import { createSelector } from 'reselect';
 
 import { selectBackgroundIsDark } from '../navigation/nav-selectors';
 import { NavContext } from '../navigation/navigation-context';
 import { useSelector } from '../redux/redux-utils';
 import type { AppState } from '../redux/state-types';
 import type { GlobalTheme } from '../types/themes';
 
 const light = Object.freeze({
   blockQuoteBackground: '#D3D3D3',
   blockQuoteBorder: '#C0C0C0',
   codeBackground: '#DCDCDC',
+  disabledButton: '#D3D3D3',
   disconnectedBarBackground: '#FFFFFF',
   editButton: '#A4A4A2',
   floatingButtonBackground: '#999999',
   floatingButtonLabel: '#EEEEEE',
   greenButton: '#6EC472',
   greenText: 'green',
   headerChevron: '#0A0A0A',
   inlineSidebarBackground: '#E0E0E0',
   inlineSidebarLabel: '#000000',
   link: '#036AFF',
   listBackground: 'white',
   listBackgroundLabel: 'black',
   listBackgroundSecondaryLabel: '#444444',
   listBackgroundTernaryLabel: '#999999',
   listChatBubble: '#DDDDDDBB',
   listForegroundLabel: 'black',
   listForegroundQuaternaryLabel: '#AAAAAA',
   listForegroundSecondaryLabel: '#333333',
   listForegroundTertiaryLabel: '#666666',
   listInputBackground: '#DDDDDD',
   listInputBar: '#E2E2E2',
   listInputBorder: '#AAAAAAAA',
   listInputButton: '#888888',
   listIosHighlightUnderlay: '#DDDDDDDD',
   listSearchBackground: '#E2E2E2',
   listSearchIcon: '#AAAAAA',
   listSeparator: '#EEEEEE',
   listSeparatorLabel: '#555555',
   markdownLink: '#000000',
   mintButton: '#44CC99',
   modalBackground: '#EEEEEE',
   modalBackgroundLabel: '#333333',
   modalBackgroundSecondaryLabel: '#AAAAAA',
   modalButton: '#BBBBBB',
   modalButtonLabel: 'black',
   modalContrastBackground: 'black',
   modalContrastForegroundLabel: 'white',
   modalContrastOpacity: 0.7,
   modalForeground: 'white',
   modalForegroundBorder: '#CCCCCC',
   modalForegroundLabel: 'black',
   modalForegroundSecondaryLabel: '#888888',
   modalForegroundTertiaryLabel: '#AAAAAA',
   modalIosHighlightUnderlay: '#CCCCCCDD',
   modalSubtext: '#CCCCCC',
   modalSubtextLabel: '#555555',
   navigationCard: '#FFFFFF',
   navigationChevron: '#A4A4A2',
   panelBackground: '#E9E9EF',
   panelBackgroundLabel: '#888888',
   panelForeground: 'white',
   panelForegroundBorder: '#CCCCCC',
   panelForegroundLabel: 'black',
   panelForegroundSecondaryLabel: '#333333',
   panelForegroundTertiaryLabel: '#888888',
   panelIosHighlightUnderlay: '#EEEEEEDD',
   panelSecondaryForeground: '#F5F5F5',
   panelSecondaryForegroundBorder: '#D1D1D6',
   redButton: '#BB8888',
   redText: '#AA0000',
   tabBarAccent: '#AE94DB',
   tabBarBackground: '#F5F5F5',
   vibrantGreenButton: '#00C853',
   vibrantRedButton: '#F53100',
 });
 export type Colors = $Exact<typeof light>;
 
 const dark: Colors = Object.freeze({
   blockQuoteBackground: '#A9A9A9',
   blockQuoteBorder: '#808080',
   codeBackground: '#0A0A0A',
+  disabledButton: '#444444',
   disconnectedBarBackground: '#1D1D1D',
   editButton: '#5B5B5D',
   floatingButtonBackground: '#666666',
   floatingButtonLabel: 'white',
   greenButton: '#43A047',
   greenText: '#44FF44',
   headerChevron: '#FFFFFF',
   inlineSidebarBackground: '#666666',
   inlineSidebarLabel: '#FFFFFF',
   link: '#129AFF',
   listBackground: '#0A0A0A',
   listBackgroundLabel: '#C7C7CC',
   listBackgroundSecondaryLabel: '#BBBBBB',
   listBackgroundTernaryLabel: '#888888',
   listChatBubble: '#26252A',
   listForegroundLabel: 'white',
   listForegroundQuaternaryLabel: '#555555',
   listForegroundSecondaryLabel: '#CCCCCC',
   listForegroundTertiaryLabel: '#999999',
   listInputBackground: '#1D1D1D',
   listInputBar: '#555555',
   listInputBorder: '#333333',
   listInputButton: '#AAAAAA',
   listIosHighlightUnderlay: '#BBBBBB88',
   listSearchBackground: '#1D1D1D',
   listSearchIcon: '#AAAAAA',
   listSeparator: '#3A3A3C',
   listSeparatorLabel: '#EEEEEE',
   markdownLink: '#FFFFFF',
   mintButton: '#44CC99',
   modalBackground: '#0A0A0A',
   modalBackgroundLabel: '#CCCCCC',
   modalBackgroundSecondaryLabel: '#555555',
   modalButton: '#666666',
   modalButtonLabel: 'white',
   modalContrastBackground: 'white',
   modalContrastForegroundLabel: 'black',
   modalContrastOpacity: 0.85,
   modalForeground: '#1C1C1E',
   modalForegroundBorder: '#1C1C1E',
   modalForegroundLabel: 'white',
   modalForegroundSecondaryLabel: '#AAAAAA',
   modalForegroundTertiaryLabel: '#666666',
   modalIosHighlightUnderlay: '#AAAAAA88',
   modalSubtext: '#444444',
   modalSubtextLabel: '#AAAAAA',
   navigationCard: '#2A2A2A',
   navigationChevron: '#5B5B5D',
   panelBackground: '#0A0A0A',
   panelBackgroundLabel: '#C7C7CC',
   panelForeground: '#1D1D1D',
   panelForegroundBorder: '#2C2C2E',
   panelForegroundLabel: 'white',
   panelForegroundSecondaryLabel: '#CCCCCC',
   panelForegroundTertiaryLabel: '#AAAAAA',
   panelIosHighlightUnderlay: '#313035',
   panelSecondaryForeground: '#333333',
   panelSecondaryForegroundBorder: '#666666',
   redButton: '#FF4444',
   redText: '#FF4444',
   tabBarAccent: '#AE94DB',
   tabBarBackground: '#0A0A0A',
   vibrantGreenButton: '#00C853',
   vibrantRedButton: '#F53100',
 });
 const colors = { light, dark };
 
 const colorsSelector: (state: AppState) => Colors = createSelector(
   (state: AppState) => state.globalThemeInfo.activeTheme,
   (theme: ?GlobalTheme) => {
     const explicitTheme = theme ? theme : 'light';
     return colors[explicitTheme];
   },
 );
 
 const magicStrings = new Set();
 for (const theme in colors) {
   for (const magicString in colors[theme]) {
     magicStrings.add(magicString);
   }
 }
 
 type Styles = { [name: string]: { [field: string]: mixed } };
 
 type ReplaceField = (input: any) => any;
 export type StyleSheetOf<S: Styles> = $ObjMap<S, ReplaceField>;
 
 function stylesFromColors<IS: Styles>(
   obj: IS,
   themeColors: Colors,
 ): StyleSheetOf<IS> {
   const result = {};
   for (const key in obj) {
     const style = obj[key];
     const filledInStyle = { ...style };
     for (const styleKey in style) {
       const styleValue = style[styleKey];
       if (typeof styleValue !== 'string') {
         continue;
       }
       if (magicStrings.has(styleValue)) {
         const mapped = themeColors[styleValue];
         if (mapped) {
           filledInStyle[styleKey] = mapped;
         }
       }
     }
     result[key] = filledInStyle;
   }
   return StyleSheet.create(result);
 }
 
 function styleSelector<IS: Styles>(
   obj: IS,
 ): (state: AppState) => StyleSheetOf<IS> {
   return createSelector(colorsSelector, (themeColors: Colors) =>
     stylesFromColors(obj, themeColors),
   );
 }
 
 function useStyles<IS: Styles>(obj: IS): StyleSheetOf<IS> {
   const ourColors = useColors();
   return React.useMemo(() => stylesFromColors(obj, ourColors), [
     obj,
     ourColors,
   ]);
 }
 
 function useOverlayStyles<IS: Styles>(obj: IS): StyleSheetOf<IS> {
   const navContext = React.useContext(NavContext);
   const navigationState = navContext && navContext.state;
 
   const theme = useSelector(
     (state: AppState) => state.globalThemeInfo.activeTheme,
   );
 
   const backgroundIsDark = React.useMemo(
     () => selectBackgroundIsDark(navigationState, theme),
     [navigationState, theme],
   );
   const syntheticTheme = backgroundIsDark ? 'dark' : 'light';
 
   return React.useMemo(() => stylesFromColors(obj, colors[syntheticTheme]), [
     obj,
     syntheticTheme,
   ]);
 }
 
 function useColors(): Colors {
   return useSelector(colorsSelector);
 }
 
 function getStylesForTheme<IS: Styles>(
   obj: IS,
   theme: GlobalTheme,
 ): StyleSheetOf<IS> {
   return stylesFromColors(obj, colors[theme]);
 }
 
 export type IndicatorStyle = 'white' | 'black';
 function useIndicatorStyle(): IndicatorStyle {
   const theme = useSelector(
     (state: AppState) => state.globalThemeInfo.activeTheme,
   );
   return theme && theme === 'dark' ? 'white' : 'black';
 }
 const indicatorStyleSelector: (
   state: AppState,
 ) => IndicatorStyle = createSelector(
   (state: AppState) => state.globalThemeInfo.activeTheme,
   (theme: ?GlobalTheme) => {
     return theme && theme === 'dark' ? 'white' : 'black';
   },
 );
 
 export type KeyboardAppearance = 'default' | 'light' | 'dark';
 const keyboardAppearanceSelector: (
   state: AppState,
 ) => KeyboardAppearance = createSelector(
   (state: AppState) => state.globalThemeInfo.activeTheme,
   (theme: ?GlobalTheme) => {
     return theme && theme === 'dark' ? 'dark' : 'light';
   },
 );
 
 function useKeyboardAppearance(): KeyboardAppearance {
   return useSelector(keyboardAppearanceSelector);
 }
 
 export {
   colors,
   colorsSelector,
   styleSelector,
   useStyles,
   useOverlayStyles,
   useColors,
   getStylesForTheme,
   useIndicatorStyle,
   indicatorStyleSelector,
   useKeyboardAppearance,
 };