From 22697fd111f0721ddb1d50580683b57fe2c0c883 Mon Sep 17 00:00:00 2001
From: Linus Rath <139418639+rathlinus@users.noreply.github.com>
Date: Sat, 29 Aug 2026 18:29:34 +0200
Subject: [PATCH] feat: translate the appearance, reading, composing, identity,
 template, keyword and sidebar-app panes

---
 locales/rn/en.json                            | 200 +++++++++++++++++-
 .../settings/AppearanceSettings.tsx           |  41 ++--
 src/components/settings/ComposingSettings.tsx |  36 ++--
 src/components/settings/IdentitySettings.tsx  |  52 +++--
 src/components/settings/KeywordSettings.tsx   |  28 ++-
 src/components/settings/ReadingSettings.tsx   |  78 +++----
 .../settings/SidebarAppsSettings.tsx          |  39 ++--
 src/components/settings/TemplateSettings.tsx  |  67 +++---
 8 files changed, 383 insertions(+), 158 deletions(-)

diff --git a/locales/rn/en.json b/locales/rn/en.json
index 2462ef5c..ff7b1525 100644
--- a/locales/rn/en.json
+++ b/locales/rn/en.json
@@ -6,9 +6,16 @@
     "not_starred": "Not starred"
   },
   "calendar": {
+    "agenda": {
+      "days_clear": "The next {count} days are clear.",
+      "no_upcoming": "No upcoming events"
+    },
     "event_modal": {
       "participant_placeholder": "Add participant by email"
     },
+    "events": {
+      "tap_to_create": "Tap + to create one"
+    },
     "invitation": {
       "accept": "Yes",
       "add_error": "Could not add the event",
@@ -38,6 +45,12 @@
       "edit_calendar": "Edit calendar",
       "new_calendar": "New calendar"
     },
+    "settings": {
+      "show_week_numbers_mobile_desc": "Display week numbers in the month view.",
+      "time_zone": "Time zone",
+      "time_zone_auto": "Device time zone",
+      "time_zone_desc": "Zone used for new events and for interpreting the calendar. \"Device\" follows the phone."
+    },
     "share": {
       "add_people": "Add people",
       "error": "Failed to update sharing",
@@ -58,16 +71,29 @@
     "done": "Done",
     "remove": "Remove",
     "retry": "Retry",
-    "undo": "Undo"
+    "undo": "Undo",
+    "update": "Update"
   },
   "context_menu": {
     "color_tag": "Tag",
     "remove_color": "Remove tag"
   },
   "email_composer": {
+    "attach_camera": "Camera",
     "attachment_reminder_body": "Your message mentions \"{keyword}\" but no file is attached. Send anyway?",
     "attachment_reminder_title": "Forgot an attachment?",
+    "attachment_too_large": "This file is larger than the server allows ({size} > {max}).",
+    "attachments_too_large_total": "The attachments would exceed the {max} this server allows per message.",
     "editor_unavailable": "Could not read the message content. Copy your text, then close and reopen the composer.",
+    "identity_unavailable": "Identity unavailable",
+    "image_load_failed": "Could not load image",
+    "no_sent_folder": "No Sent folder found",
+    "permission_camera": "Camera permission is required to take a photo.",
+    "permission_photos": "Photo library permission is required to attach images.",
+    "recipient_add_contact": "Add to contacts",
+    "recipient_copy": "Copy address",
+    "recipient_move_to": "Move to {field}",
+    "recipient_remove": "Remove",
     "save_draft": "Save Draft",
     "schedule_custom": "Pick date & time…",
     "schedule_in_1h": "In 1 hour",
@@ -75,6 +101,7 @@
     "schedule_past_body": "The scheduled time must be in the future.",
     "schedule_past_title": "Pick a future time",
     "schedule_tomorrow": "Tomorrow, 8:00 AM",
+    "schedule_tomorrow_morning": "Tomorrow morning",
     "schedule_too_late_body": "That is later than this server allows. Pick an earlier time.",
     "schedule_too_late_title": "Too far ahead",
     "schedule_unsupported_body": "This mail server does not support scheduled send.",
@@ -85,6 +112,7 @@
     "send_timeout_body": "The message may already have gone out. Check your Sent folder before sending it again.",
     "send_timeout_title": "No answer from the server",
     "undo_send_label": "Sending in {seconds}s…",
+    "uploading": "Uploading...",
     "validation": {
       "subject_required": "Add a subject"
     }
@@ -121,6 +149,23 @@
     "unknown_tag": "not defined here"
   },
   "email_viewer": {
+    "address_actions": {
+      "add_contact": "Add to contacts",
+      "compose": "New message",
+      "copy": "Copy address",
+      "copy_failed": "Could not copy the address."
+    },
+    "attachment_actions": {
+      "open": "Open",
+      "preview": "Preview",
+      "save": "Save",
+      "share": "Share"
+    },
+    "attachment_failed": "Could not open attachment",
+    "authentication": {
+      "spoof_warning": "The sender address could not be verified - this message may be spoofed."
+    },
+    "bundle_too_large": "The attachments are too large to bundle.",
     "color_tag": {
       "blue": "Blue",
       "green": "Green",
@@ -132,8 +177,22 @@
       "title": "Color Tag",
       "yellow": "Yellow"
     },
+    "forwarded": "Forwarded",
+    "preview": {
+      "open_external": "Open in app",
+      "pdf_external": "PDFs open in your PDF viewer on this device.",
+      "unsupported": "No preview for this file type."
+    },
+    "received_via": "to {name}",
     "remove_color": "Remove tag",
-    "set_color": "Set tag"
+    "replied": "Replied",
+    "set_color": "Set tag",
+    "show_all_count": "Show all ({count})",
+    "show_less": "Show less",
+    "smime_unsupported": "Signed/encrypted with S/MIME - not supported on mobile",
+    "unsubscribe_banner": {
+      "no_identity": "No sending identity available"
+    }
   },
   "files": {
     "done": "Done",
@@ -148,6 +207,12 @@
     "share_search_placeholder": "Search by name or email",
     "shared_with": "Shared with"
   },
+  "identities": {
+    "badge": {
+      "to": "to {identity}",
+      "via": "via {identity}"
+    }
+  },
   "login": {
     "mobile": {
       "add_subtitle": "You're signed in to these already.",
@@ -274,6 +339,9 @@
       "language": {
         "restart_for_direction": "Restart the app to apply the new text direction.",
         "system_default": "System default"
+      },
+      "toolbar_labels": {
+        "description_mobile": "Display text labels next to toolbar icons."
       }
     },
     "badges": {
@@ -281,12 +349,114 @@
       "not_implemented": "Not implemented",
       "unavailable": "Unavailable"
     },
+    "downloads": {
+      "attachment_template": {
+        "description_mobile": "Template used when saving or sharing an attachment."
+      },
+      "email_template": {
+        "description_mobile": "Template used when exporting a message as an .eml file."
+      },
+      "strip_diacritics": {
+        "description_mobile": "Convert accented letters to plain ASCII (ä → a)."
+      },
+      "transform_description": "Applied to every exported filename.",
+      "transform_title": "Filename Transform"
+    },
+    "email_behavior": {
+      "archive_mode": {
+        "no_archive": "No archive folder found.",
+        "reorganize_result": "Moved {moved} of {total} emails.",
+        "reorganizing": "Reorganizing…"
+      },
+      "attachment_click_action": {
+        "description_mobile": "What happens when you tap an attachment."
+      },
+      "auto_select_reply_identity": {
+        "description_mobile": "When replying, send from the address the message was originally sent to."
+      },
+      "plain_text_mode": {
+        "description_mobile": "Compose and read in plain text only."
+      },
+      "send_delay": {
+        "description_mobile": "Hold outgoing mail for a few seconds so you can cancel it. Requires server support."
+      },
+      "swipe_actions": {
+        "move": "Move to folder",
+        "pin": "Pin"
+      },
+      "swipe_left_action": {
+        "description_mobile": "Action when you drag a row from its right edge towards the left.",
+        "label_mobile": "Swipe left (right → left)"
+      },
+      "swipe_right_action": {
+        "description_mobile": "Action when you drag a row from its left edge towards the right.",
+        "label_mobile": "Swipe right (left → right)"
+      }
+    },
     "experimental": {
       "title": "Experimental Feature"
     },
+    "identities": {
+      "cannot_delete": "The primary identity cannot be removed.",
+      "cannot_delete_title": "Cannot delete",
+      "count": "{count, plural, =0 {No identities} one {# identity} other {# identities}}",
+      "create": "New identity",
+      "delete_confirm": "Remove \"{name}\"?",
+      "delete_failed": "Delete failed",
+      "delete_title": "Delete identity",
+      "description_mobile": "Manage sender names, email addresses, and signatures. Tap a row to edit.",
+      "display_name": "Display name",
+      "edit": "Edit identity",
+      "email_address": "Email address",
+      "email_locked": "JMAP does not allow changing an identity's email; create a new one instead.",
+      "invalid_email": "Enter a valid email address for this identity.",
+      "invalid_email_title": "Invalid email",
+      "new": "New",
+      "no_name": "(no name)",
+      "primary": "primary",
+      "save_failed": "Save failed",
+      "text_signature": "Plain-text signature"
+    },
     "keywords": {
+      "description_mobile": "Colored tags to organize your mail.",
       "reset_defaults": "Reset to Defaults"
     },
+    "layout": {
+      "description": "Tune the email list interactions for mobile.",
+      "quick_actions": {
+        "description": "The three buttons shown between Prev/Next at the bottom of an open email. Defaults to Reply, Reply All and Forward.",
+        "label": "Reader quick actions",
+        "mark_unread": "Mark Read/Unread",
+        "relocated": "{count, plural, one {{actions} is moved to the top toolbar so you can still use it.} other {{actions} are moved to the top toolbar so you can still use them.}}",
+        "slot": "Slot {n}",
+        "spam": "Spam",
+        "star": "Star",
+        "tag": "Tag"
+      },
+      "show_avatars_in_junk": "Show sender avatars in Junk",
+      "show_avatars_in_junk_description": "Load sender logos for messages in the Junk folder. Off keeps spam senders from being contacted.",
+      "show_folder_total_count": "Show total message count on folders",
+      "show_folder_total_count_description": "Show the total next to the unread count in the folder list.",
+      "swipe_mode": {
+        "instant": "Instant (swipe = action)",
+        "reveal": "Reveal (swipe, then tap)"
+      },
+      "unified_cross_account": "Unified views across accounts",
+      "unified_cross_account_description": "Combine every signed-in account in \"All inboxes\". Off keeps the unified views inside the active account and its shared folders."
+    },
+    "message_list_order": {
+      "description": "Which messages come first in the list. Newest first is the tie-breaker within each group; the header toggle still flips oldest/newest.",
+      "preset_chronological": "Newest first",
+      "preset_custom": "Custom",
+      "preset_starred_first": "Starred first",
+      "preset_tagged_first": "Tagged first",
+      "preset_unread_first": "Unread first",
+      "scope": "Apply to",
+      "scope_all": "All folders",
+      "scope_inbox": "Inbox only",
+      "tag": "Tag",
+      "title": "Message list order"
+    },
     "notifications": {
       "email": {
         "sound_channel_hint": "Sound and vibration for mail alerts are controlled by the Android notification channel: long-press a notification or open the system app settings."
@@ -357,6 +527,23 @@
         "title": "Public Keys"
       }
     },
+    "sidebar_apps": {
+      "add": "Add app",
+      "empty": "No apps added yet.",
+      "form": {
+        "name": "Name",
+        "name_placeholder": "App name",
+        "open_mode": "Open mode",
+        "show_on_mobile": "Show on mobile",
+        "url": "URL"
+      },
+      "keep_loaded_description_mobile": "Keep inline apps running in the background when switching away.",
+      "open_mode": {
+        "inline": "Inline",
+        "new_tab": "New tab",
+        "tab": "Tab"
+      }
+    },
     "smime": {
       "mobile_description": "Sign and encrypt mail with S/MIME certificates.",
       "mobile_explainer": "S/MIME is not available in the mobile app yet. Manage keys and certificates in the webmail; signed messages are shown without verification here."
@@ -364,6 +551,15 @@
     "tabs": {
       "plugins": "Plugins"
     },
+    "templates": {
+      "delete_title": "Delete template"
+    },
+    "themes": {
+      "default_description": "The default light and dark palettes.",
+      "default_name": "Bulwark",
+      "mobile_description": "Pick a colour theme. Themes follow the light/dark setting from Appearance; custom theme packages are managed in the webmail.",
+      "title": "Themes"
+    },
     "vacation": {
       "warnings": {
         "date_format": "Dates must be \"YYYY-MM-DD\" or \"YYYY-MM-DD HH:MM\""
diff --git a/src/components/settings/AppearanceSettings.tsx b/src/components/settings/AppearanceSettings.tsx
index 673cc3b3..b2ac8b0f 100644
--- a/src/components/settings/AppearanceSettings.tsx
+++ b/src/components/settings/AppearanceSettings.tsx
@@ -4,6 +4,7 @@ import { SettingsSection, SettingItem, RadioGroup, ToggleSwitch } from './settin
 import { spacing, radius, typography, type ThemePalette } from '../../theme/tokens';
 import { useColors } from '../../theme/colors';
 import { useSettingsStore, type ThemeMode, type FontSize, type Density } from '../../stores/settings-store';
+import { useLocaleStore } from '../../stores/locale-store';
 
 type Theme = ThemeMode;
 
@@ -60,7 +61,7 @@ function DensityPreview({ density }: { density: Density }) {
             <Text
               style={[
                 styles.densitySubject,
-                row.unread ? { color: c.text, fontWeight: '500' } : { color: 'rgba(250,250,250,0.8)' },
+                row.unread ? { color: c.text, fontWeight: '500' } : { color: c.textSecondary },
               ]}
               numberOfLines={1}
             >
@@ -82,6 +83,7 @@ export function AppearanceSettings() {
   const c = useColors();
   const styles = React.useMemo(() => makeStyles(c), [c]);
   const theme = useSettingsStore((s) => s.theme);
+  const t = useLocaleStore((s) => s.t);
   const setTheme = useSettingsStore((s) => s.setTheme);
   const fontSize = useSettingsStore((s) => s.fontSize);
   const setFontSize = useSettingsStore((s) => s.setFontSize);
@@ -99,52 +101,55 @@ export function AppearanceSettings() {
   }, [hydrated, hydrate]);
 
   return (
-    <SettingsSection title="Appearance" description="Customize how the interface looks and feels.">
-      <SettingItem label="Theme" description="Choose between light, dark, or system theme.">
+    <SettingsSection
+      title={t('settings.appearance.title', "Appearance")}
+      description={t('settings.appearance.description', "Customize the look and feel of your webmail")}
+    >
+      <SettingItem label={t('settings.appearance.theme.label', "Theme")} description={t('settings.appearance.theme.description', "Choose your preferred color scheme")}>
         <RadioGroup
           value={theme}
           onChange={(v) => setTheme(v as Theme)}
           options={[
-            { value: 'light', label: 'Light' },
-            { value: 'dark', label: 'Dark' },
-            { value: 'system', label: 'System' },
+            { value: 'light', label: t('settings.appearance.theme.light', "Light") },
+            { value: 'dark', label: t('settings.appearance.theme.dark', "Dark") },
+            { value: 'system', label: t('settings.appearance.theme.system', "System") },
           ]}
         />
       </SettingItem>
 
-      <SettingItem label="Font Size" description="Adjust text size.">
+      <SettingItem label={t('settings.appearance.font_size.label', "Font Size")} description={t('settings.appearance.font_size.description', "Adjust text size for better readability")}>
         <RadioGroup
           value={fontSize}
           onChange={(v) => setFontSize(v as FontSize)}
           options={[
-            { value: 'small', label: 'Small' },
-            { value: 'medium', label: 'Medium' },
-            { value: 'large', label: 'Large' },
+            { value: 'small', label: t('settings.appearance.font_size.small', "Small") },
+            { value: 'medium', label: t('settings.appearance.font_size.medium', "Medium") },
+            { value: 'large', label: t('settings.appearance.font_size.large', "Large") },
           ]}
         />
       </SettingItem>
 
       <View>
-        <SettingItem label="List Density" description="How tight the email list is packed." noBorder />
+        <SettingItem label={t('settings.appearance.list_density.label', "Density")} description={t('settings.appearance.list_density.description', "Control spacing and padding across the UI")} noBorder />
         <RadioGroup
           value={density}
           onChange={(v) => setDensity(v as Density)}
           options={[
-            { value: 'extra-compact', label: 'Extra' },
-            { value: 'compact', label: 'Compact' },
-            { value: 'regular', label: 'Regular' },
-            { value: 'comfortable', label: 'Comfy' },
+            { value: 'extra-compact', label: t('settings.appearance.list_density.extra_compact', "Extra Compact") },
+            { value: 'compact', label: t('settings.appearance.list_density.compact', "Compact") },
+            { value: 'regular', label: t('settings.appearance.list_density.regular', "Regular") },
+            { value: 'comfortable', label: t('settings.appearance.list_density.comfortable', "Comfortable") },
           ]}
         />
         <DensityPreview density={density} />
         <View style={styles.divider} />
       </View>
 
-      <SettingItem label="Toolbar Labels" description="Show text labels on toolbar buttons.">
+      <SettingItem label={t('settings.appearance.toolbar_labels.label', "Show Toolbar Labels")} description={t('settings.appearance.toolbar_labels.description_mobile', "Display text labels next to toolbar icons.")}>
         <ToggleSwitch checked={showToolbarLabels} onChange={setShowToolbarLabels} />
       </SettingItem>
 
-      <SettingItem label="Animations" description="Enable or disable interface animations.">
+      <SettingItem label={t('settings.appearance.animations.label', "Enable Animations")} description={t('settings.appearance.animations.description', "Show smooth transitions and effects")}>
         <ToggleSwitch checked={animationsEnabled} onChange={setAnimationsEnabled} />
       </SettingItem>
     </SettingsSection>
@@ -190,7 +195,7 @@ function makeStyles(c: ThemePalette) {
   },
   densityPreviewText: {
     fontSize: 11,
-    color: 'rgba(161,161,170,0.7)',
+    color: c.textMuted,
   },
   divider: {
     height: 1,
diff --git a/src/components/settings/ComposingSettings.tsx b/src/components/settings/ComposingSettings.tsx
index bf422acb..1f14da76 100644
--- a/src/components/settings/ComposingSettings.tsx
+++ b/src/components/settings/ComposingSettings.tsx
@@ -6,11 +6,13 @@ import Button from '../Button';
 import { spacing, radius, typography, type ThemePalette } from '../../theme/tokens';
 import { useColors } from '../../theme/colors';
 import { useSettingsStore } from '../../stores/settings-store';
+import { useLocaleStore } from '../../stores/locale-store';
 
 export function ComposingSettings() {
   const c = useColors();
   const styles = React.useMemo(() => makeStyles(c), [c]);
   const autoSelectReplyIdentity = useSettingsStore((s) => s.autoSelectReplyIdentity);
+  const t = useLocaleStore((s) => s.t);
   const setAutoSelectReplyIdentity = useSettingsStore((s) => s.setAutoSelectReplyIdentity);
   const attachmentReminderEnabled = useSettingsStore((s) => s.attachmentReminderEnabled);
   const setAttachmentReminderEnabled = useSettingsStore((s) => s.setAttachmentReminderEnabled);
@@ -40,29 +42,29 @@ export function ComposingSettings() {
   };
 
   const SEND_DELAY_OPTIONS: { label: string; value: number }[] = [
-    { label: 'Off', value: 0 },
-    { label: '5s', value: 5 },
-    { label: '10s', value: 10 },
-    { label: '20s', value: 20 },
-    { label: '30s', value: 30 },
+    // Same set the webmail accepts (0/10/30/60); the store rejects others.
+    { label: t('settings.email_behavior.send_delay.off', "Off"), value: 0 },
+    { label: t('settings.email_behavior.send_delay.seconds', '{seconds} seconds', { seconds: 10 }), value: 10 },
+    { label: t('settings.email_behavior.send_delay.seconds', '{seconds} seconds', { seconds: 30 }), value: 30 },
+    { label: t('settings.email_behavior.send_delay.seconds', '{seconds} seconds', { seconds: 60 }), value: 60 },
   ];
 
   return (
     <SettingsSection
-      title="Composing"
-      description="How the composer behaves when you reply, forward, or send."
+      title={t('settings.composer.title', "Composer")}
+      description={t('settings.composer.description', "Configure email composition settings")}
     >
       <SettingItem
-        label="Auto-select reply identity"
-        description="When replying, pick the identity that received the original message."
+        label={t('settings.email_behavior.auto_select_reply_identity.label', "Reply From Received Address")}
+        description={t('settings.email_behavior.auto_select_reply_identity.description_mobile', "When replying, send from the address the message was originally sent to.")}
       >
         <ToggleSwitch checked={autoSelectReplyIdentity} onChange={setAutoSelectReplyIdentity} />
       </SettingItem>
 
       <View style={styles.subBlock}>
-        <Text style={styles.subLabel}>Undo send delay</Text>
+        <Text style={styles.subLabel}>{t('settings.email_behavior.send_delay.label', "Undo send / send delay")}</Text>
         <Text style={styles.subDescription}>
-          Hold outgoing mail for a few seconds so you can cancel it. Requires server support.
+          {t('settings.email_behavior.send_delay.description_mobile', "Hold outgoing mail for a few seconds so you can cancel it. Requires server support.")}
         </Text>
         <View style={styles.segmentRow}>
           {SEND_DELAY_OPTIONS.map((opt) => {
@@ -83,8 +85,8 @@ export function ComposingSettings() {
       </View>
 
       <SettingItem
-        label="Attachment reminder"
-        description="Warn before sending if the message mentions an attachment but none is attached."
+        label={t('settings.email_behavior.attachment_reminder.label', "Attachment Reminder")}
+        description={t('settings.email_behavior.attachment_reminder.description', "Warn before sending when your message mentions attachments but none are attached")}
       >
         <ToggleSwitch
           checked={attachmentReminderEnabled}
@@ -94,9 +96,9 @@ export function ComposingSettings() {
 
       {attachmentReminderEnabled && (
         <View style={styles.subBlock}>
-          <Text style={styles.subLabel}>Trigger keywords</Text>
+          <Text style={styles.subLabel}>{t('settings.email_behavior.attachment_reminder.keywords_label', "Trigger keywords")}</Text>
           <Text style={styles.subDescription}>
-            Words that, when found in the body or subject without an attachment, trigger the reminder.
+            {t('settings.email_behavior.attachment_reminder.keywords_description', "Words or phrases that trigger the reminder when found in your message")}
           </Text>
 
           <View style={styles.chips}>
@@ -114,7 +116,7 @@ export function ComposingSettings() {
             <TextInput
               value={newKeyword}
               onChangeText={setNewKeyword}
-              placeholder="e.g. attached"
+              placeholder={t('settings.email_behavior.attachment_reminder.add_placeholder', "Add keyword...")}
               placeholderTextColor={c.textMuted}
               autoCapitalize="none"
               autoCorrect={false}
@@ -129,7 +131,7 @@ export function ComposingSettings() {
               disabled={!newKeyword.trim()}
               icon={<Plus size={14} color={c.primaryForeground} />}
             >
-              Add
+              {t('settings.email_behavior.attachment_reminder.add', "Add")}
             </Button>
           </View>
         </View>
diff --git a/src/components/settings/IdentitySettings.tsx b/src/components/settings/IdentitySettings.tsx
index 96a3e1e6..4e15f449 100644
--- a/src/components/settings/IdentitySettings.tsx
+++ b/src/components/settings/IdentitySettings.tsx
@@ -22,6 +22,7 @@ import {
   updateIdentity,
 } from '../../api/identity';
 import type { Identity } from '../../api/types';
+import { useLocaleStore } from '../../stores/locale-store';
 
 type DraftIdentity = {
   id: string;
@@ -51,6 +52,7 @@ export function IdentitySettings() {
   const c = useColors();
   const styles = React.useMemo(() => makeStyles(c), [c]);
   const identities = useSettingsStore((s) => s.identities);
+  const t = useLocaleStore((s) => s.t);
   const loading = useSettingsStore((s) => s.loading);
   const error = useSettingsStore((s) => s.error);
   const fetchIdentities = useSettingsStore((s) => s.fetchIdentities);
@@ -72,7 +74,7 @@ export function IdentitySettings() {
     const name = editing.name.trim();
     const email = editing.email.trim();
     if (!email || !EMAIL_RE.test(email)) {
-      Alert.alert('Invalid email', 'Enter a valid email address for this identity.');
+      Alert.alert(t('settings.identities.invalid_email_title', "Invalid email"), t('settings.identities.invalid_email', "Enter a valid email address for this identity."));
       return;
     }
     setSaving(true);
@@ -95,7 +97,7 @@ export function IdentitySettings() {
       closeEditor();
       await fetchIdentities();
     } catch (err) {
-      Alert.alert('Save failed', err instanceof Error ? err.message : String(err));
+      Alert.alert(t('settings.identities.save_failed', "Save failed"), err instanceof Error ? err.message : String(err));
     } finally {
       setSaving(false);
     }
@@ -103,16 +105,16 @@ export function IdentitySettings() {
 
   const confirmDelete = (identity: Identity) => {
     if (!identity.mayDelete) {
-      Alert.alert('Cannot delete', 'The primary identity cannot be removed.');
+      Alert.alert(t('settings.identities.cannot_delete_title', "Cannot delete"), t('settings.identities.cannot_delete', "The primary identity cannot be removed."));
       return;
     }
     Alert.alert(
-      'Delete identity',
-      `Remove "${identity.name || identity.email}"?`,
+      t('settings.identities.delete_title', "Delete identity"),
+      t('settings.identities.delete_confirm', 'Remove "{name}"?', { name: identity.name || identity.email }),
       [
-        { text: 'Cancel', style: 'cancel' },
+        { text: t('common.cancel', "Cancel"), style: 'cancel' },
         {
-          text: 'Delete',
+          text: t('common.delete', "Delete"),
           style: 'destructive',
           onPress: async () => {
             setDeletingId(identity.id);
@@ -120,7 +122,7 @@ export function IdentitySettings() {
               await deleteIdentity(identity.id);
               await fetchIdentities();
             } catch (err) {
-              Alert.alert('Delete failed', err instanceof Error ? err.message : String(err));
+              Alert.alert(t('settings.identities.delete_failed', "Delete failed"), err instanceof Error ? err.message : String(err));
             } finally {
               setDeletingId(null);
             }
@@ -132,12 +134,14 @@ export function IdentitySettings() {
 
   return (
     <SettingsSection
-      title="Identities"
-      description="Manage sender names, email addresses, and signatures. Tap a row to edit."
+      title={t('settings.identities.title', "Sending Identities")}
+      description={t('settings.identities.description_mobile', "Manage sender names, email addresses, and signatures. Tap a row to edit.")}
     >
       <View style={styles.headerRow}>
         <Text style={styles.count}>
-          {loading ? 'Loading…' : identities.length === 1 ? '1 identity' : `${identities.length} identities`}
+          {loading
+            ? t('common.loading', "Loading...")
+            : t('settings.identities.count', '{count, plural, =0 {No identities} one {# identity} other {# identities}}', { count: identities.length })}
         </Text>
         <Button
           variant="default"
@@ -146,7 +150,7 @@ export function IdentitySettings() {
           icon={<Plus size={14} color={c.primaryForeground} />}
           disabled={loading}
         >
-          New
+          {t('settings.identities.new', "New")}
         </Button>
       </View>
 
@@ -163,12 +167,12 @@ export function IdentitySettings() {
           style={({ pressed }) => [styles.identityRow, pressed && styles.identityRowPressed]}
         >
           <View style={{ flex: 1 }}>
-            <Text style={styles.identityName}>{identity.name || '(no name)'}</Text>
+            <Text style={styles.identityName}>{identity.name || t('settings.identities.no_name', "(no name)")}</Text>
             <Text style={styles.identityEmail}>{identity.email}</Text>
           </View>
           {!identity.mayDelete ? (
             <View style={styles.badge}>
-              <Text style={styles.badgeText}>primary</Text>
+              <Text style={styles.badgeText}>{t('settings.identities.primary', "primary")}</Text>
             </View>
           ) : (
             <Pressable
@@ -176,6 +180,8 @@ export function IdentitySettings() {
               hitSlop={8}
               style={styles.identityDelete}
               disabled={deletingId === identity.id}
+              accessibilityRole="button"
+              accessibilityLabel={t('common.delete', "Delete")}
             >
               {deletingId === identity.id ? (
                 <ActivityIndicator size="small" color={c.error} />
@@ -192,14 +198,14 @@ export function IdentitySettings() {
           <View style={styles.modalSheet}>
             <View style={styles.modalHeader}>
               <Text style={styles.modalTitle}>
-                {editing?.id ? 'Edit identity' : 'New identity'}
+                {editing?.id ? t('settings.identities.edit', "Edit identity") : t('settings.identities.create', "New identity")}
               </Text>
-              <Pressable onPress={closeEditor} hitSlop={8}>
+              <Pressable onPress={closeEditor} hitSlop={8} accessibilityRole="button" accessibilityLabel={t('common.close', "Close")}>
                 <X size={20} color={c.text} />
               </Pressable>
             </View>
             <ScrollView contentContainerStyle={styles.modalBody}>
-              <Text style={styles.fieldLabel}>Display name</Text>
+              <Text style={styles.fieldLabel}>{t('settings.identities.display_name', "Display name")}</Text>
               <TextInput
                 value={editing?.name ?? ''}
                 onChangeText={(name) => setEditing((d) => (d ? { ...d, name } : d))}
@@ -207,7 +213,7 @@ export function IdentitySettings() {
                 placeholderTextColor={c.textMuted}
                 style={styles.input}
               />
-              <Text style={styles.fieldLabel}>Email address</Text>
+              <Text style={styles.fieldLabel}>{t('settings.identities.email_address', "Email address")}</Text>
               <TextInput
                 value={editing?.email ?? ''}
                 onChangeText={(email) => setEditing((d) => (d ? { ...d, email } : d))}
@@ -220,9 +226,9 @@ export function IdentitySettings() {
                 keyboardType="email-address"
               />
               {!!editing?.id && (
-                <Text style={styles.hint}>JMAP does not allow changing an identity&apos;s email; create a new one instead.</Text>
+                <Text style={styles.hint}>{t('settings.identities.email_locked', "JMAP does not allow changing an identity's email; create a new one instead.")}</Text>
               )}
-              <Text style={styles.fieldLabel}>Plain-text signature</Text>
+              <Text style={styles.fieldLabel}>{t('settings.identities.text_signature', "Plain-text signature")}</Text>
               <TextInput
                 value={editing?.textSignature ?? ''}
                 onChangeText={(textSignature) => setEditing((d) => (d ? { ...d, textSignature } : d))}
@@ -233,14 +239,14 @@ export function IdentitySettings() {
               />
             </ScrollView>
             <View style={styles.modalActions}>
-              <Button variant="outline" size="sm" onPress={closeEditor} disabled={saving}>Cancel</Button>
+              <Button variant="outline" size="sm" onPress={closeEditor} disabled={saving}>{t('common.cancel', "Cancel")}</Button>
               <Button
                 variant="default"
                 size="sm"
                 onPress={() => { void saveDraft(); }}
                 loading={saving}
               >
-                Save
+                {t('common.save', "Save")}
               </Button>
             </View>
           </View>
@@ -271,7 +277,7 @@ function makeStyles(c: ThemePalette) {
     identityDelete: { padding: 6 },
     badge: {
       paddingHorizontal: 6, paddingVertical: 2, borderRadius: radius.full,
-      backgroundColor: 'rgba(59,130,246,0.15)',
+      backgroundColor: c.primaryBg,
     },
     badgeText: { fontSize: 10, fontWeight: '500', color: c.primary },
 
diff --git a/src/components/settings/KeywordSettings.tsx b/src/components/settings/KeywordSettings.tsx
index 108b1508..23a4fcdf 100644
--- a/src/components/settings/KeywordSettings.tsx
+++ b/src/components/settings/KeywordSettings.tsx
@@ -6,6 +6,7 @@ import { spacing, radius, typography, type ThemePalette } from '../../theme/toke
 import { useColors } from '../../theme/colors';
 import { useKeywordsStore, type KeywordDef } from '../../stores/keywords-store';
 import { DARK_COLORS } from '../../theme/tokens';
+import { useLocaleStore } from '../../stores/locale-store';
 
 type Keyword = KeywordDef;
 
@@ -17,6 +18,7 @@ export function KeywordSettings() {
   const c = useColors();
   const styles = React.useMemo(() => makeStyles(c), [c]);
   const keywords = useKeywordsStore((s) => s.keywords);
+  const t = useLocaleStore((s) => s.t);
   const addKeyword = useKeywordsStore((s) => s.add);
   const updateKeyword = useKeywordsStore((s) => s.update);
   const removeKeyword = useKeywordsStore((s) => s.remove);
@@ -45,7 +47,7 @@ export function KeywordSettings() {
   };
 
   return (
-    <SettingsSection title="Keywords & Labels" description="Colored tags to organize your mail.">
+    <SettingsSection title={t('settings.keywords.title', "Email Tags")} description={t('settings.keywords.description_mobile', "Colored tags to organize your mail.")}>
       <View style={{ gap: spacing.sm }}>
         {keywords.map((kw) => {
           if (editingId === kw.id) {
@@ -66,10 +68,10 @@ export function KeywordSettings() {
               <Text style={styles.kwLabel}>{kw.label}</Text>
               <Text style={styles.kwId}>$label:{kw.id}</Text>
               <View style={{ flexDirection: 'row', gap: 2 }}>
-                <Pressable style={styles.iconBtn} onPress={() => setEditingId(kw.id)}>
+                <Pressable style={styles.iconBtn} onPress={() => setEditingId(kw.id)} accessibilityRole="button" accessibilityLabel={t('settings.keywords.edit', "Edit tag")}>
                   <Pencil size={14} color={c.mutedForeground} />
                 </Pressable>
-                <Pressable style={styles.iconBtn} onPress={() => deleteKeyword(kw.id)}>
+                <Pressable style={styles.iconBtn} onPress={() => deleteKeyword(kw.id)} accessibilityRole="button" accessibilityLabel={t('settings.keywords.delete', "Delete tag")}>
                   <Trash2 size={14} color={c.mutedForeground} />
                 </Pressable>
               </View>
@@ -89,11 +91,11 @@ export function KeywordSettings() {
           <View style={styles.bottomActions}>
             <Pressable style={styles.outlineBtn} onPress={() => setIsAdding(true)}>
               <Plus size={14} color={c.mutedForeground} />
-              <Text style={styles.outlineBtnText}>Add keyword</Text>
+              <Text style={styles.outlineBtnText}>{t('settings.keywords.add_keyword', "Add Tag")}</Text>
             </Pressable>
             <Pressable style={styles.outlineBtn} onPress={resetDefaults}>
               <RotateCcw size={14} color={c.mutedForeground} />
-              <Text style={styles.outlineBtnText}>Reset defaults</Text>
+              <Text style={styles.outlineBtnText}>{t('settings.keywords.reset_defaults', "Reset to Defaults")}</Text>
             </Pressable>
           </View>
         )}
@@ -112,6 +114,7 @@ interface KeywordFormProps {
 function KeywordForm({ initial, existingIds, onSave, onCancel }: KeywordFormProps) {
   const c = useColors();
   const styles = React.useMemo(() => makeStyles(c), [c]);
+  const t = useLocaleStore((s) => s.t);
   const [label, setLabel] = useState(initial?.label ?? '');
   const [color, setColor] = useState<keyof typeof DARK_COLORS.tags>(initial?.color ?? 'blue');
 
@@ -133,21 +136,21 @@ function KeywordForm({ initial, existingIds, onSave, onCancel }: KeywordFormProp
   return (
     <View style={styles.form}>
       <View>
-        <Text style={styles.formLabel}>Label</Text>
+        <Text style={styles.formLabel}>{t('settings.keywords.label_field', "Display Name")}</Text>
         <TextInput
           value={label}
           onChangeText={setLabel}
-          placeholder="e.g. Important"
+          placeholder={t('settings.keywords.label_placeholder', "e.g. Work, Personal, Urgent")}
           placeholderTextColor={c.mutedForeground}
           style={styles.input}
           maxLength={30}
           autoFocus
         />
-        {isDuplicate && <Text style={styles.errorText}>An ID with that name already exists.</Text>}
+        {isDuplicate && <Text style={styles.errorText}>{t('settings.keywords.id_exists', "This tag ID already exists")}</Text>}
       </View>
 
       <View>
-        <Text style={styles.formLabel}>Color</Text>
+        <Text style={styles.formLabel}>{t('settings.keywords.color_field', "Color")}</Text>
         <View style={styles.palette}>
           {PALETTE_KEYS.map((key) => {
             const p = c.tags[key];
@@ -155,6 +158,9 @@ function KeywordForm({ initial, existingIds, onSave, onCancel }: KeywordFormProp
               <Pressable
                 key={key}
                 onPress={() => setColor(key)}
+                accessibilityRole="radio"
+                accessibilityState={{ selected: color === key }}
+                accessibilityLabel={key}
                 style={[
                   styles.colorSwatch,
                   { backgroundColor: p.dot },
@@ -169,7 +175,7 @@ function KeywordForm({ initial, existingIds, onSave, onCancel }: KeywordFormProp
       <View style={styles.formActions}>
         <Pressable style={styles.cancelFormBtn} onPress={onCancel}>
           <X size={14} color={c.text} />
-          <Text style={styles.cancelFormText}>Cancel</Text>
+          <Text style={styles.cancelFormText}>{t('common.cancel', "Cancel")}</Text>
         </Pressable>
         <Pressable
           style={[styles.saveBtn, !isValid && { opacity: 0.5 }]}
@@ -177,7 +183,7 @@ function KeywordForm({ initial, existingIds, onSave, onCancel }: KeywordFormProp
           disabled={!isValid}
         >
           <Check size={14} color={c.primaryForeground} />
-          <Text style={styles.saveBtnText}>{initial ? 'Save' : 'Add'}</Text>
+          <Text style={styles.saveBtnText}>{initial ? t('common.save', "Save") : t('common.add', "Add")}</Text>
         </Pressable>
       </View>
     </View>
diff --git a/src/components/settings/ReadingSettings.tsx b/src/components/settings/ReadingSettings.tsx
index fe207fb9..ccc712e0 100644
--- a/src/components/settings/ReadingSettings.tsx
+++ b/src/components/settings/ReadingSettings.tsx
@@ -17,11 +17,13 @@ import {
 import { useEmailStore } from '../../stores/email-store';
 import { archiveEmails, queryEmails, getEmails } from '../../api/email';
 import { ownMailboxes } from '../../lib/mailbox-tree';
+import { useLocaleStore } from '../../stores/locale-store';
 
 export function ReadingSettings() {
   const c = useColors();
   const styles = React.useMemo(() => makeStyles(c), [c]);
   const hydrated = useSettingsStore((s) => s.hydrated);
+  const t = useLocaleStore((s) => s.t);
   const hydrate = useSettingsStore((s) => s.hydrate);
   const update = useSettingsStore((s) => s.updateSetting);
 
@@ -59,7 +61,7 @@ export function ReadingSettings() {
       (m) => m.role === 'archive' || m.name.toLowerCase() === 'archive',
     );
     if (!archiveMailbox) {
-      setReorganizeResult('No archive folder found.');
+      setReorganizeResult(t('settings.email_behavior.archive_mode.no_archive', "No archive folder found."));
       return;
     }
 
@@ -100,58 +102,58 @@ export function ReadingSettings() {
         if (ids.length < PAGE) break;
       }
 
-      setReorganizeResult(`Moved ${moved} of ${total} emails.`);
+      setReorganizeResult(t('settings.email_behavior.archive_mode.reorganize_result', 'Moved {moved} of {total} emails.', { moved, total }));
     } catch (err) {
-      setReorganizeResult(err instanceof Error ? err.message : 'Reorganize failed.');
+      setReorganizeResult(err instanceof Error ? err.message : t('settings.email_behavior.archive_mode.reorganize_error', "Failed to reorganize archive"));
     } finally {
       setReorganizing(false);
     }
   };
 
   return (
-    <SettingsSection title="Email Behavior" description="How your inbox behaves day to day.">
-      <SettingItem label="Mark as Read" description="When to flag an email as read.">
+    <SettingsSection title={t('settings.email_behavior.title', "Email Behavior")} description={t('settings.email_behavior.description', "Configure how emails are handled")}>
+      <SettingItem label={t('settings.email_behavior.mark_read.label', "Mark as Read")} description={t('settings.email_behavior.mark_read.description', "When to mark emails as read when opened")}>
         <Select
           value={String(markAsReadDelay)}
           onChange={(v) => update('markAsReadDelay', Number(v))}
           options={[
-            { value: '0', label: 'Instant' },
-            { value: '3000', label: 'After 3s' },
-            { value: '5000', label: 'After 5s' },
-            { value: '-1', label: 'Never' },
+            { value: '0', label: t('settings.email_behavior.mark_read.instant', "Instantly") },
+            { value: '3000', label: t('settings.email_behavior.mark_read.delay_3s', "After 3 seconds") },
+            { value: '5000', label: t('settings.email_behavior.mark_read.delay_5s', "After 5 seconds") },
+            { value: '-1', label: t('settings.email_behavior.mark_read.never', "Never") },
           ]}
         />
       </SettingItem>
 
       <View style={styles.group}>
-        <SettingItem label="Delete Action" description="Where deleted emails go." noBorder />
+        <SettingItem label={t('settings.email_behavior.delete_action.label', "Delete Action")} description={t('settings.email_behavior.delete_action.description', "What happens when you delete an email")} noBorder />
         <Select
           value={deleteAction}
           onChange={(v) => update('deleteAction', v as DeleteAction)}
           options={[
-            { value: 'trash', label: 'Move to Trash' },
-            { value: 'trash-and-read', label: 'Move to Trash and mark as read' },
-            { value: 'permanent', label: 'Permanently delete' },
+            { value: 'trash', label: t('settings.email_behavior.delete_action.trash', "Move to Trash") },
+            { value: 'trash-and-read', label: t('settings.email_behavior.delete_action.trash_and_read', "Move to Trash and mark as read") },
+            { value: 'permanent', label: t('settings.email_behavior.delete_action.permanent', "Delete Permanently") },
           ]}
         />
         {deleteAction === 'permanent' && (
           <View style={styles.warning}>
             <AlertTriangle size={14} color={c.error} />
-            <Text style={styles.warningText}>Permanent deletion cannot be undone.</Text>
+            <Text style={styles.warningText}>{t('settings.email_behavior.delete_action.warning', "Emails will be permanently deleted and cannot be recovered. This action is irreversible.")}</Text>
           </View>
         )}
         <View style={styles.divider} />
       </View>
 
       <View style={styles.group}>
-        <SettingItem label="Archive Mode" description="Organize archive into subfolders." noBorder />
+        <SettingItem label={t('settings.email_behavior.archive_mode.label', "Archive in")} description={t('settings.email_behavior.archive_mode.description', "How to organize emails when archiving")} noBorder />
         <Select
           value={archiveMode}
           onChange={(v) => update('archiveMode', v as ArchiveMode)}
           options={[
-            { value: 'single', label: 'Single folder' },
-            { value: 'year', label: 'By year' },
-            { value: 'month', label: 'By year/month' },
+            { value: 'single', label: t('settings.email_behavior.archive_mode.single', "A single folder") },
+            { value: 'year', label: t('settings.email_behavior.archive_mode.year', "A folder per year") },
+            { value: 'month', label: t('settings.email_behavior.archive_mode.month', "A folder per month") },
           ]}
         />
         {archiveMode !== 'single' && (
@@ -167,7 +169,7 @@ export function ReadingSettings() {
                 <FolderSync size={14} color={c.text} />
               )}
               <Text style={styles.inlineBtnText}>
-                {reorganizing ? 'Reorganizing…' : 'Reorganize existing archive'}
+                {reorganizing ? t('settings.email_behavior.archive_mode.reorganizing', "Reorganizing…") : t('settings.email_behavior.archive_mode.reorganize', "Reorganize existing archive")}
               </Text>
             </Pressable>
             {reorganizeResult && (
@@ -178,31 +180,31 @@ export function ReadingSettings() {
         <View style={styles.divider} />
       </View>
 
-      <SettingItem label="Permanently Delete Junk" description="Skip the trash when deleting spam.">
+      <SettingItem label={t('settings.email_behavior.permanently_delete_junk.label', "Permanently Delete Junk")} description={t('settings.email_behavior.permanently_delete_junk.description', "Permanently delete emails from the Junk/Spam folder instead of moving them to Trash")}>
         <ToggleSwitch checked={permanentlyDeleteJunk} onChange={(v) => update('permanentlyDeleteJunk', v)} />
       </SettingItem>
 
-      <SettingItem label="Show Preview" description="Preview text under each subject.">
+      <SettingItem label={t('settings.email_behavior.show_preview.label', "Show Preview Text")} description={t('settings.email_behavior.show_preview.description', "Display email preview in the list")}>
         <ToggleSwitch checked={showPreview} onChange={(v) => update('showPreview', v)} />
       </SettingItem>
 
-      <SettingItem label="Disable Thread Grouping" description="Show emails individually instead of threaded.">
+      <SettingItem label={t('settings.email_behavior.disable_threading.label', "Disable Conversation Grouping")} description={t('settings.email_behavior.disable_threading.description', "Show emails as individual messages instead of grouped by conversation")}>
         <ToggleSwitch checked={disableThreading} onChange={(v) => update('disableThreading', v)} />
       </SettingItem>
 
-      <SettingItem label="Include Group Inboxes" description="Also show group and shared inboxes in the unified All Inboxes view.">
+      <SettingItem label={t('settings.appearance.unified_mailbox.include_group.label', "Include group inboxes")} description={t('settings.appearance.unified_mailbox.include_group.description', "Also merge shared/group inboxes into the unified view.")}>
         <ToggleSwitch checked={includeGroupInUnified} onChange={(v) => update('includeGroupInUnified', v)} />
       </SettingItem>
 
-      <SettingItem label="Plain Text Mode" description="Compose and read in plain text only.">
+      <SettingItem label={t('settings.email_behavior.plain_text_mode.label', "Plain Text Only")} description={t('settings.email_behavior.plain_text_mode.description_mobile', "Compose and read in plain text only.")}>
         <ToggleSwitch checked={plainTextMode} onChange={(v) => update('plainTextMode', v)} />
       </SettingItem>
 
-      <SettingItem label="Auto-select Reply Identity" description="Pick the best identity when replying.">
+      <SettingItem label={t('settings.email_behavior.auto_select_reply_identity.label', "Reply From Received Address")} description={t('settings.email_behavior.auto_select_reply_identity.description_mobile', "When replying, send from the address the message was originally sent to.")}>
         <ToggleSwitch checked={autoSelectReplyIdentity} onChange={(v) => update('autoSelectReplyIdentity', v)} />
       </SettingItem>
 
-      <SettingItem label="Attachment Reminder" description="Warn when the word 'attached' is present but no file is attached.">
+      <SettingItem label={t('settings.email_behavior.attachment_reminder.label', "Attachment Reminder")} description={t('settings.email_behavior.attachment_reminder.description', "Warn before sending when your message mentions attachments but none are attached")}>
         <ToggleSwitch
           checked={attachmentReminderEnabled}
           onChange={(v) => update('attachmentReminderEnabled', v)}
@@ -211,8 +213,8 @@ export function ReadingSettings() {
 
       {attachmentReminderEnabled && (
         <View style={styles.group}>
-          <Text style={styles.subLabel}>Trigger Keywords</Text>
-          <Text style={styles.subDesc}>Add words that should trigger the reminder.</Text>
+          <Text style={styles.subLabel}>{t('settings.email_behavior.attachment_reminder.keywords_label', "Trigger keywords")}</Text>
+          <Text style={styles.subDesc}>{t('settings.email_behavior.attachment_reminder.keywords_description', "Words or phrases that trigger the reminder when found in your message")}</Text>
           <View style={styles.chipRow}>
             {attachmentReminderKeywords.map((kw) => (
               <View key={kw} style={styles.chip}>
@@ -235,7 +237,7 @@ export function ReadingSettings() {
             <TextInput
               value={newKeyword}
               onChangeText={setNewKeyword}
-              placeholder="Add a keyword"
+              placeholder={t('settings.email_behavior.attachment_reminder.add_placeholder', "Add keyword...")}
               placeholderTextColor={c.mutedForeground}
               style={styles.keywordInput}
               onSubmitEditing={() => {
@@ -256,35 +258,35 @@ export function ReadingSettings() {
                 setNewKeyword('');
               }}
             >
-              <Text style={styles.addKeywordText}>Add</Text>
+              <Text style={styles.addKeywordText}>{t('settings.email_behavior.attachment_reminder.add', "Add")}</Text>
             </Pressable>
           </View>
           <View style={styles.divider} />
         </View>
       )}
 
-      <SettingItem label="Hide Inline Image Attachments" description="Don't list inline images in the attachment list.">
+      <SettingItem label={t('settings.email_behavior.hide_inline_image_attachments.label', "Hide inline images from attachments")} description={t('settings.email_behavior.hide_inline_image_attachments.description', "Images embedded in the message body are not listed as separate attachments")}>
         <ToggleSwitch checked={hideInlineImageAttachments} onChange={(v) => update('hideInlineImageAttachments', v)} />
       </SettingItem>
 
-      <SettingItem label="Attachment Click Action" description="What happens when you tap an attachment.">
+      <SettingItem label={t('settings.email_behavior.attachment_click_action.label', "Attachment Click Action")} description={t('settings.email_behavior.attachment_click_action.description_mobile', "What happens when you tap an attachment.")}>
         <Select
           value={mailAttachmentAction}
           onChange={(v) => update('mailAttachmentAction', v as MailAttachmentAction)}
           options={[
-            { value: 'preview', label: 'Preview' },
-            { value: 'download', label: 'Download' },
+            { value: 'preview', label: t('settings.email_behavior.attachment_click_action.preview', "Preview when possible") },
+            { value: 'download', label: t('settings.email_behavior.attachment_click_action.download', "Download immediately") },
           ]}
         />
       </SettingItem>
 
-      <SettingItem label="Attachment Position" description="Where attachments appear in messages.">
+      <SettingItem label={t('settings.email_behavior.attachment_position.label', "Attachment Position")} description={t('settings.email_behavior.attachment_position.description', "Where to display attachments in the email header")}>
         <Select
           value={attachmentPosition}
           onChange={(v) => update('attachmentPosition', v as AttachmentPosition)}
           options={[
-            { value: 'beside-sender', label: 'Beside sender' },
-            { value: 'below-header', label: 'Below header' },
+            { value: 'beside-sender', label: t('settings.email_behavior.attachment_position.beside-sender', "Next to sender") },
+            { value: 'below-header', label: t('settings.email_behavior.attachment_position.below-header', "Below header") },
           ]}
         />
       </SettingItem>
@@ -324,7 +326,7 @@ export function ReadingSettings() {
         />
       </SettingItem>
 
-      <SettingItem label="Emails Per Page" description="How many emails to load at a time.">
+      <SettingItem label={t('settings.email_behavior.emails_per_page.label', "Emails Per Page")} description={t('settings.email_behavior.emails_per_page.description', "Number of emails to load at once")}>
         <Select
           value={String(emailsPerPage)}
           onChange={(v) => update('emailsPerPage', Number(v))}
diff --git a/src/components/settings/SidebarAppsSettings.tsx b/src/components/settings/SidebarAppsSettings.tsx
index fc57fb2b..7a57eb18 100644
--- a/src/components/settings/SidebarAppsSettings.tsx
+++ b/src/components/settings/SidebarAppsSettings.tsx
@@ -8,6 +8,7 @@ import Button from '../Button';
 import { spacing, radius, typography, type ThemePalette } from '../../theme/tokens';
 import { useColors } from '../../theme/colors';
 import { useSettingsStore, type SidebarApp } from '../../stores/settings-store';
+import { useLocaleStore } from '../../stores/locale-store';
 
 export function SidebarAppsSettings() {
   const c = useColors();
@@ -16,6 +17,7 @@ export function SidebarAppsSettings() {
   const hydrate = useSettingsStore((s) => s.hydrate);
   const update = useSettingsStore((s) => s.updateSetting);
   const apps = useSettingsStore((s) => s.sidebarApps);
+  const t = useLocaleStore((s) => s.t);
   const keepLoaded = useSettingsStore((s) => s.keepAppsLoaded);
   const addSidebarApp = useSettingsStore((s) => s.addSidebarApp);
   const updateSidebarApp = useSettingsStore((s) => s.updateSidebarApp);
@@ -44,16 +46,16 @@ export function SidebarAppsSettings() {
 
   return (
     <View style={styles.container}>
-      <SettingsSection title="Sidebar Apps" description="Embedded web apps accessible from the sidebar.">
-        <SettingItem label="Keep apps loaded" description="Maintain app state when switching away.">
+      <SettingsSection title={t('settings.sidebar_apps.title', "Sidebar Apps")} description={t('settings.sidebar_apps.description', "Manage custom apps and links in your sidebar")}>
+        <SettingItem label={t('settings.sidebar_apps.keep_loaded', "Keep Apps Loaded")} description={t('settings.sidebar_apps.keep_loaded_description_mobile', "Keep inline apps running in the background when switching away.")}>
           <ToggleSwitch checked={keepLoaded} onChange={(v) => update('keepAppsLoaded', v)} />
         </SettingItem>
       </SettingsSection>
 
-      <SettingsSection title="Manage Apps" description="Add, edit, or remove sidebar apps.">
+      <SettingsSection title={t('settings.sidebar_apps.manage_title', "Custom Apps")} description={t('settings.sidebar_apps.manage_description', "Add, edit, or remove custom apps from your sidebar")}>
         <View style={{ gap: spacing.md }}>
           {apps.length === 0 && !isAdding && (
-            <Text style={styles.emptyText}>No apps added yet.</Text>
+            <Text style={styles.emptyText}>{t('settings.sidebar_apps.empty', "No apps added yet.")}</Text>
           )}
 
           {apps.map((app) => {
@@ -83,15 +85,15 @@ export function SidebarAppsSettings() {
                 ]}>
                   <Text style={[
                     styles.modeBadgeText,
-                    { color: app.openMode === 'inline' ? '#60a5fa' : c.mutedForeground },
+                    { color: app.openMode === 'inline' ? c.primary : c.mutedForeground },
                   ]}>
-                    {app.openMode === 'inline' ? 'Inline' : 'Tab'}
+                    {app.openMode === 'inline' ? t('settings.sidebar_apps.open_mode.inline', "Inline") : t('settings.sidebar_apps.open_mode.tab', "Tab")}
                   </Text>
                 </View>
-                <Pressable style={styles.iconBtn} onPress={() => setEditingId(app.id)}>
+                <Pressable style={styles.iconBtn} onPress={() => setEditingId(app.id)} accessibilityRole="button" accessibilityLabel={t('common.edit', "Edit")}>
                   <Pencil size={14} color={c.mutedForeground} />
                 </Pressable>
-                <Pressable style={styles.iconBtn} onPress={() => removeApp(app.id)}>
+                <Pressable style={styles.iconBtn} onPress={() => removeApp(app.id)} accessibilityRole="button" accessibilityLabel={t('common.delete', "Delete")}>
                   <Trash2 size={14} color={c.mutedForeground} />
                 </Pressable>
               </View>
@@ -108,7 +110,7 @@ export function SidebarAppsSettings() {
           {!isAdding && editingId === null && (
             <Pressable style={styles.addBtn} onPress={() => setIsAdding(true)}>
               <Plus size={16} color={c.text} />
-              <Text style={styles.addBtnText}>Add app</Text>
+              <Text style={styles.addBtnText}>{t('settings.sidebar_apps.add', "Add app")}</Text>
             </Pressable>
           )}
         </View>
@@ -126,6 +128,7 @@ interface AppFormProps {
 function AppForm({ initial, onSave, onCancel }: AppFormProps) {
   const c = useColors();
   const formStyles = React.useMemo(() => makeFormStyles(c), [c]);
+  const t = useLocaleStore((s) => s.t);
   const [name, setName] = useState(initial?.name ?? '');
   const [url, setUrl] = useState(initial?.url ?? '');
   const [openMode, setOpenMode] = useState<'tab' | 'inline'>(initial?.openMode ?? 'tab');
@@ -136,18 +139,18 @@ function AppForm({ initial, onSave, onCancel }: AppFormProps) {
   return (
     <View style={formStyles.form}>
       <View>
-        <Text style={formStyles.label}>Name</Text>
+        <Text style={formStyles.label}>{t('settings.sidebar_apps.form.name', "Name")}</Text>
         <TextInput
           value={name}
           onChangeText={setName}
-          placeholder="App name"
+          placeholder={t('settings.sidebar_apps.form.name_placeholder', "App name")}
           placeholderTextColor={c.mutedForeground}
           style={formStyles.input}
         />
       </View>
 
       <View>
-        <Text style={formStyles.label}>URL</Text>
+        <Text style={formStyles.label}>{t('settings.sidebar_apps.form.url', "URL")}</Text>
         <TextInput
           value={url}
           onChangeText={setUrl}
@@ -160,7 +163,7 @@ function AppForm({ initial, onSave, onCancel }: AppFormProps) {
       </View>
 
       <View>
-        <Text style={formStyles.label}>Open mode</Text>
+        <Text style={formStyles.label}>{t('settings.sidebar_apps.form.open_mode', "Open mode")}</Text>
         <View style={{ flexDirection: 'row', gap: spacing.sm }}>
           <Pressable
             onPress={() => setOpenMode('tab')}
@@ -168,7 +171,7 @@ function AppForm({ initial, onSave, onCancel }: AppFormProps) {
           >
             <ExternalLink size={14} color={openMode === 'tab' ? c.primary : c.text} />
             <Text style={[formStyles.modeBtnText, openMode === 'tab' && { color: c.primary }]}>
-              New tab
+              {t('settings.sidebar_apps.open_mode.new_tab', "New tab")}
             </Text>
           </Pressable>
           <Pressable
@@ -177,25 +180,25 @@ function AppForm({ initial, onSave, onCancel }: AppFormProps) {
           >
             <PanelRight size={14} color={openMode === 'inline' ? c.primary : c.text} />
             <Text style={[formStyles.modeBtnText, openMode === 'inline' && { color: c.primary }]}>
-              Inline
+              {t('settings.sidebar_apps.open_mode.inline', "Inline")}
             </Text>
           </Pressable>
         </View>
       </View>
 
       <View style={{ flexDirection: 'row', alignItems: 'center', justifyContent: 'space-between' }}>
-        <Text style={formStyles.label}>Show on mobile</Text>
+        <Text style={formStyles.label}>{t('settings.sidebar_apps.form.show_on_mobile', "Show on mobile")}</Text>
         <ToggleSwitch checked={showOnMobile} onChange={setShowOnMobile} />
       </View>
 
       <View style={{ flexDirection: 'row', gap: spacing.sm, justifyContent: 'flex-end' }}>
-        <Button variant="ghost" size="sm" onPress={onCancel}>Cancel</Button>
+        <Button variant="ghost" size="sm" onPress={onCancel}>{t('common.cancel', "Cancel")}</Button>
         <Button
           size="sm"
           disabled={!canSave}
           onPress={() => onSave({ name: name.trim(), url: url.trim(), icon: 'Globe', openMode, showOnMobile })}
         >
-          {initial ? 'Update' : 'Add'}
+          {initial ? t('common.update', "Update") : t('common.add', "Add")}
         </Button>
       </View>
     </View>
diff --git a/src/components/settings/TemplateSettings.tsx b/src/components/settings/TemplateSettings.tsx
index 7ae95eb4..fe3a7793 100644
--- a/src/components/settings/TemplateSettings.tsx
+++ b/src/components/settings/TemplateSettings.tsx
@@ -16,10 +16,12 @@ import Button from '../Button';
 import { radius, spacing, typography, type ThemePalette } from '../../theme/tokens';
 import { useColors } from '../../theme/colors';
 import { useTemplatesStore, type EmailTemplate } from '../../stores/templates-store';
+import { useLocaleStore } from '../../stores/locale-store';
 
 export function TemplateSettings() {
   const c = useColors();
   const styles = React.useMemo(() => makeStyles(c), [c]);
+  const tr = useLocaleStore((s) => s.t);
   const templates = useTemplatesStore((s) => s.templates);
   const hydrated = useTemplatesStore((s) => s.hydrated);
   const hydrate = useTemplatesStore((s) => s.hydrate);
@@ -68,7 +70,7 @@ export function TemplateSettings() {
   const saveDraft = () => {
     const name = draftName.trim();
     if (!name) {
-      Alert.alert('Template name required');
+      Alert.alert(tr('settings.templates.validation.empty', "Template name is required"));
       return;
     }
     if (!editing) return;
@@ -82,11 +84,11 @@ export function TemplateSettings() {
 
   const confirmDelete = (t: EmailTemplate) => {
     Alert.alert(
-      'Delete template',
-      `Permanently delete "${t.name}"?`,
+      tr('settings.templates.delete_title', "Delete template"),
+      tr('settings.templates.delete_confirm', 'Permanently delete "{name}"?', { name: t.name }),
       [
-        { text: 'Cancel', style: 'cancel' },
-        { text: 'Delete', style: 'destructive', onPress: () => deleteTemplate(t.id) },
+        { text: tr('common.cancel', 'Cancel'), style: 'cancel' },
+        { text: tr('common.delete', 'Delete'), style: 'destructive', onPress: () => deleteTemplate(t.id) },
       ],
     );
   };
@@ -94,40 +96,43 @@ export function TemplateSettings() {
   const exportTemplatesAsShare = async () => {
     const json = exportAll();
     try {
-      await Share.share({ message: json, title: 'Templates export' });
+      await Share.share({ message: json, title: tr('settings.templates.export', 'Export') });
     } catch (err) {
-      Alert.alert('Export failed', err instanceof Error ? err.message : 'Unable to share');
+      Alert.alert(tr('settings.templates.export_failed', 'Export failed'), err instanceof Error ? err.message : tr('settings.templates.share_unavailable', 'Unable to share'));
     }
   };
 
   const performImport = () => {
     const result = importTemplates(importText);
     if (result.error) {
-      Alert.alert('Import failed', result.error);
+      Alert.alert(tr('settings.templates.import_failed', 'Import failed'), result.error);
       return;
     }
     setImportText('');
     setImportVisible(false);
-    Alert.alert('Imported', `${result.count} template${result.count === 1 ? '' : 's'} added.`);
+    Alert.alert(
+      tr('settings.templates.imported', 'Imported'),
+      tr('settings.templates.imported_count', '{count, plural, one {# template} other {# templates}} added.', { count: result.count }),
+    );
   };
 
   return (
     <View style={styles.container}>
-      <SettingsSection title="Templates" description="Reusable snippets for common replies. Tap one to edit; long-press to delete.">
+      <SettingsSection title={tr('settings.templates.title', 'Email Templates')} description={tr('settings.templates.description_mobile', 'Reusable snippets for common replies. Tap one to edit; long-press to delete.')}>
         <View style={styles.headerRow}>
           <View style={styles.countRow}>
             <FileText size={16} color={c.mutedForeground} />
             <Text style={styles.count}>
-              {templates.length === 1 ? '1 template' : `${templates.length} templates`}
+              {tr('settings.templates.count', '{count, plural, one {# template} other {# templates}}', { count: templates.length })}
             </Text>
           </View>
           <Button variant="default" size="sm" onPress={openCreate} icon={<Plus size={14} color={c.primaryForeground} />}>
-            New
+            {tr('settings.templates.add', 'New Template')}
           </Button>
         </View>
 
         {templates.length === 0 ? (
-          <Text style={styles.emptyHint}>No templates yet. Tap "New" to add one.</Text>
+          <Text style={styles.emptyHint}>{tr('settings.templates.no_templates', 'No templates yet')}</Text>
         ) : (
           <View style={styles.list}>
             {templates.map((t) => (
@@ -143,7 +148,7 @@ export function TemplateSettings() {
                     <Text style={styles.listRowSubject} numberOfLines={1}>{t.subject}</Text>
                   )}
                 </View>
-                <Pressable onPress={() => confirmDelete(t)} hitSlop={8} style={styles.listRowDelete}>
+                <Pressable onPress={() => confirmDelete(t)} hitSlop={8} style={styles.listRowDelete} accessibilityRole="button" accessibilityLabel={tr('common.delete', 'Delete')}>
                   <Trash2 size={16} color={c.error} />
                 </Pressable>
               </Pressable>
@@ -152,7 +157,7 @@ export function TemplateSettings() {
         )}
       </SettingsSection>
 
-      <SettingsSection title="Export / Import" description="Back up or restore your templates as JSON.">
+      <SettingsSection title={tr('settings.templates.export_import', 'Export & Import')} description={tr('settings.templates.export_import_description', 'Back up your templates or transfer them to another device')}>
         <View style={styles.actions}>
           <Button
             variant="outline"
@@ -161,7 +166,7 @@ export function TemplateSettings() {
             icon={<Download size={14} color={c.text} />}
             onPress={() => { void exportTemplatesAsShare(); }}
           >
-            Share JSON
+            {tr('settings.templates.export', 'Export')}
           </Button>
           <Button
             variant="outline"
@@ -169,7 +174,7 @@ export function TemplateSettings() {
             icon={<Upload size={14} color={c.text} />}
             onPress={() => setImportVisible(true)}
           >
-            Import
+            {tr('settings.templates.import', 'Import')}
           </Button>
         </View>
       </SettingsSection>
@@ -180,42 +185,42 @@ export function TemplateSettings() {
           <View style={styles.modalSheet}>
             <View style={styles.modalHeader}>
               <Text style={styles.modalTitle}>
-                {editing?.id ? 'Edit template' : 'New template'}
+                {editing?.id ? tr('settings.templates.edit', 'Edit Template') : tr('settings.templates.add', 'New Template')}
               </Text>
-              <Pressable onPress={closeEditor} hitSlop={8}>
+              <Pressable onPress={closeEditor} hitSlop={8} accessibilityRole="button" accessibilityLabel={tr('common.close', 'Close')}>
                 <X size={20} color={c.text} />
               </Pressable>
             </View>
             <ScrollView contentContainerStyle={styles.modalBody}>
-              <Text style={styles.fieldLabel}>Name</Text>
+              <Text style={styles.fieldLabel}>{tr('settings.templates.name', 'Template Name')}</Text>
               <TextInput
                 value={draftName}
                 onChangeText={setDraftName}
-                placeholder="Quick reply"
+                placeholder={tr('settings.templates.name_placeholder', 'e.g., Follow-up email')}
                 placeholderTextColor={c.textMuted}
                 style={styles.input}
               />
-              <Text style={styles.fieldLabel}>Subject</Text>
+              <Text style={styles.fieldLabel}>{tr('settings.templates.subject', 'Subject')}</Text>
               <TextInput
                 value={draftSubject}
                 onChangeText={setDraftSubject}
-                placeholder="(optional)"
+                placeholder={tr('settings.templates.subject_placeholder', 'Email subject line')}
                 placeholderTextColor={c.textMuted}
                 style={styles.input}
               />
-              <Text style={styles.fieldLabel}>Body</Text>
+              <Text style={styles.fieldLabel}>{tr('settings.templates.body', 'Body')}</Text>
               <TextInput
                 value={draftBody}
                 onChangeText={setDraftBody}
-                placeholder="Hi {recipient_name}, …"
+                placeholder={tr('settings.templates.body_placeholder', 'Email body content...')}
                 placeholderTextColor={c.textMuted}
                 multiline
                 style={[styles.input, styles.bodyInput]}
               />
             </ScrollView>
             <View style={styles.modalActions}>
-              <Button variant="outline" size="sm" onPress={closeEditor}>Cancel</Button>
-              <Button variant="default" size="sm" onPress={saveDraft}>Save</Button>
+              <Button variant="outline" size="sm" onPress={closeEditor}>{tr('common.cancel', 'Cancel')}</Button>
+              <Button variant="default" size="sm" onPress={saveDraft}>{tr('common.save', 'Save')}</Button>
             </View>
           </View>
         </View>
@@ -226,8 +231,8 @@ export function TemplateSettings() {
         <View style={styles.modalOverlay}>
           <View style={styles.modalSheet}>
             <View style={styles.modalHeader}>
-              <Text style={styles.modalTitle}>Import templates</Text>
-              <Pressable onPress={() => setImportVisible(false)} hitSlop={8}>
+              <Text style={styles.modalTitle}>{tr('settings.templates.import', 'Import')}</Text>
+              <Pressable onPress={() => setImportVisible(false)} hitSlop={8} accessibilityRole="button" accessibilityLabel={tr('common.close', 'Close')}>
                 <X size={20} color={c.text} />
               </Pressable>
             </View>
@@ -245,9 +250,9 @@ export function TemplateSettings() {
               />
             </ScrollView>
             <View style={styles.modalActions}>
-              <Button variant="outline" size="sm" onPress={() => setImportVisible(false)}>Cancel</Button>
+              <Button variant="outline" size="sm" onPress={() => setImportVisible(false)}>{tr('common.cancel', 'Cancel')}</Button>
               <Button variant="default" size="sm" onPress={performImport} disabled={!importText.trim()}>
-                Import
+                {tr('settings.templates.import', 'Import')}
               </Button>
             </View>
           </View>