diff --git a/__tests__/snapshots/__snapshots__/batch-components.test.tsx.snap b/__tests__/snapshots/__snapshots__/batch-components.test.tsx.snap
index 81c558d..6fee1ed 100644
--- a/__tests__/snapshots/__snapshots__/batch-components.test.tsx.snap
+++ b/__tests__/snapshots/__snapshots__/batch-components.test.tsx.snap
@@ -91,7 +91,7 @@ exports[`BatchActionBar matches snapshot with all actions 1`] = `
         size={14}
       />
       <Text
-        className="ml-1.5 text-xs font-semibold text-primary"
+        className="ms-1.5 text-xs font-semibold text-primary"
       >
         Edit
       </Text>
@@ -133,7 +133,7 @@ exports[`BatchActionBar matches snapshot with all actions 1`] = `
         size={14}
       />
       <Text
-        className="ml-1.5 text-xs font-semibold text-destructive"
+        className="ms-1.5 text-xs font-semibold text-destructive"
       >
         Delete
       </Text>
diff --git a/__tests__/snapshots/__snapshots__/common-components-extended.test.tsx.snap b/__tests__/snapshots/__snapshots__/common-components-extended.test.tsx.snap
index 9972686..aba4c32 100644
--- a/__tests__/snapshots/__snapshots__/common-components-extended.test.tsx.snap
+++ b/__tests__/snapshots/__snapshots__/common-components-extended.test.tsx.snap
@@ -97,7 +97,7 @@ exports[`OfflineIndicator snapshots renders syncing in progress 1`] = `
       size={12}
     />
     <Text
-      className="ml-1 text-xs font-medium text-primary"
+      className="ms-1 text-xs font-medium text-primary"
     >
       Syncing…
     </Text>
@@ -155,7 +155,7 @@ exports[`OfflineIndicator snapshots renders syncing state when online with pendi
       size={12}
     />
     <Text
-      className="ml-1 text-xs font-medium text-primary"
+      className="ms-1 text-xs font-medium text-primary"
     >
       Sync
     </Text>
diff --git a/app/(app)/[appName]/index.tsx b/app/(app)/[appName]/index.tsx
index 608a83b..16202be 100644
--- a/app/(app)/[appName]/index.tsx
+++ b/app/(app)/[appName]/index.tsx
@@ -77,7 +77,7 @@ export default function AppHomeScreen() {
         <View className="rounded-xl bg-primary/10 p-2.5">
           <Icon size={20} color={accent} />
         </View>
-        <Text className="ml-3 flex-1 text-base font-medium text-card-foreground">
+        <Text className="ms-3 flex-1 text-base font-medium text-card-foreground">
           {item.label}
         </Text>
         {navigable ? <ChevronRight size={18} color="#94a3b8" /> : null}
@@ -92,7 +92,7 @@ export default function AppHomeScreen() {
       <View key={group.id} className="mt-5">
         <View className="mb-2 flex-row items-center px-1">
           <GroupIcon size={14} color="#94a3b8" />
-          <Text className="ml-1.5 text-xs font-semibold uppercase tracking-wide text-muted-foreground">
+          <Text className="ms-1.5 text-xs font-semibold uppercase tracking-wide text-muted-foreground">
             {group.label}
           </Text>
         </View>
diff --git a/app/(tabs)/apps.tsx b/app/(tabs)/apps.tsx
index 2fbfcbd..f4b85b8 100644
--- a/app/(tabs)/apps.tsx
+++ b/app/(tabs)/apps.tsx
@@ -89,7 +89,7 @@ export default function AppsScreen() {
                   <View className="rounded-xl bg-primary/10 p-3">
                     <Icon size={24} color={accent} />
                   </View>
-                  <View className="ml-4 flex-1">
+                  <View className="ms-4 flex-1">
                     <Text className="text-base font-semibold text-card-foreground">
                       {app.label}
                     </Text>
diff --git a/app/(tabs)/index.tsx b/app/(tabs)/index.tsx
index 029d088..7a23f81 100644
--- a/app/(tabs)/index.tsx
+++ b/app/(tabs)/index.tsx
@@ -133,7 +133,7 @@ export default function HomeScreen() {
         }
       >
         <View className="mb-5 flex-row items-start justify-between">
-          <View className="flex-1 pr-3">
+          <View className="flex-1 pe-3">
             <Text className="text-2xl font-bold text-foreground">{heading}</Text>
             <Text className="mt-1 text-sm text-muted-foreground">
               {t("home.subtitle")}
@@ -161,7 +161,7 @@ export default function HomeScreen() {
           <View className="rounded-xl bg-primary/10 p-3">
             <Sparkles size={24} color={accent} />
           </View>
-          <View className="ml-4 flex-1">
+          <View className="ms-4 flex-1">
             <Text className="text-base font-semibold text-card-foreground">
               {t("home.assistantTitle")}
             </Text>
@@ -206,7 +206,7 @@ export default function HomeScreen() {
                   <View className="rounded-xl bg-primary/10 p-2.5">
                     <Clock size={18} color={accent} />
                   </View>
-                  <View className="ml-3 flex-1">
+                  <View className="ms-3 flex-1">
                     <Text
                       className="text-base font-medium text-card-foreground"
                       numberOfLines={1}
@@ -265,7 +265,7 @@ export default function HomeScreen() {
                 <View className="rounded-xl bg-primary/10 p-3">
                   <LayoutDashboard size={24} color={accent} />
                 </View>
-                <View className="ml-4 flex-1">
+                <View className="ms-4 flex-1">
                   <Text className="text-base font-semibold text-card-foreground">
                     {d.label}
                   </Text>
diff --git a/app/(tabs)/more.tsx b/app/(tabs)/more.tsx
index 4ee2182..cbc750b 100644
--- a/app/(tabs)/more.tsx
+++ b/app/(tabs)/more.tsx
@@ -34,7 +34,7 @@ function MenuItem({ icon, label, onPress, showChevron = true, destructive = fals
       accessibilityLabel={label}
       accessibilityRole="button"
     >
-      <View className="mr-3">{icon}</View>
+      <View className="me-3">{icon}</View>
       <Text
         className={`flex-1 text-base ${
           destructive ? "text-red-600" : "text-foreground"
@@ -98,7 +98,7 @@ export default function MoreScreen() {
           <View className="rounded-full bg-muted p-3">
             <UserCircle size={32} color="#94a3b8" />
           </View>
-          <View className="ml-3 flex-1">
+          <View className="ms-3 flex-1">
             <Text className="text-lg font-bold text-foreground">
               {session?.user.name ?? t("more.profileFallbackName")}
             </Text>
diff --git a/app/(tabs)/search.tsx b/app/(tabs)/search.tsx
index af0d06e..64a67c2 100644
--- a/app/(tabs)/search.tsx
+++ b/app/(tabs)/search.tsx
@@ -32,7 +32,7 @@ export default function SearchScreen() {
         <View className="flex-row items-center rounded-xl bg-muted px-4 py-3">
           <SearchIcon size={20} color="#94a3b8" />
           <Input
-            className="ml-2 flex-1 border-0 bg-transparent p-0 text-base"
+            className="ms-2 flex-1 border-0 bg-transparent p-0 text-base"
             placeholder={t("search.placeholder")}
             value={query}
             onChangeText={setQuery}
@@ -93,7 +93,7 @@ export default function SearchScreen() {
                     accessibilityLabel={q}
                   >
                     <Clock size={16} color="#94a3b8" />
-                    <Text className="ml-3 flex-1 text-base text-foreground" numberOfLines={1}>
+                    <Text className="ms-3 flex-1 text-base text-foreground" numberOfLines={1}>
                       {q}
                     </Text>
                   </TouchableOpacity>
@@ -163,7 +163,7 @@ export default function SearchScreen() {
                     accessibilityRole="button"
                     accessibilityLabel={t("search.openLabel", { title: rec.title })}
                   >
-                    <View className="mr-3 rounded-lg bg-primary/10 p-2">
+                    <View className="me-3 rounded-lg bg-primary/10 p-2">
                       <FileText size={16} color={accent} />
                     </View>
                     <View className="flex-1">
diff --git a/app/_layout.tsx b/app/_layout.tsx
index 7de3868..050686f 100644
--- a/app/_layout.tsx
+++ b/app/_layout.tsx
@@ -1,5 +1,6 @@
 import "../global.css";
-import "~/lib/i18n"; // Initialize i18next before any screen calls useTranslation()
+import i18n from "~/lib/i18n"; // Initialize i18next before any screen calls useTranslation()
+import { syncRTL } from "~/lib/rtl";
 
 import { useCallback, useEffect, useMemo } from "react";
 import { Stack, useRouter, useSegments } from "expo-router";
@@ -88,6 +89,12 @@ export default function RootLayout() {
     colorScheme.set(themeMode);
   }, [themeMode]);
 
+  // Apply the writing direction (LTR/RTL) for the active language on launch —
+  // on web this sets the document `dir`; on native it forces RTL (persisted).
+  useEffect(() => {
+    syncRTL(i18n.language);
+  }, []);
+
   useProtectedRoute(serverUrl, isReady);
 
   const { data: session } = authClient.useSession();
diff --git a/components/actions/ResultDialog.tsx b/components/actions/ResultDialog.tsx
index b5134f4..8484ca9 100644
--- a/components/actions/ResultDialog.tsx
+++ b/components/actions/ResultDialog.tsx
@@ -88,7 +88,7 @@ function ResultField({ field, value }: { field: ResolvedField; value: unknown })
         </Text>
         {isSecret && (
           <Pressable onPress={() => setRevealed((r) => !r)} accessibilityRole="button">
-            <Text className="ml-3 text-xs font-semibold text-primary">
+            <Text className="ms-3 text-xs font-semibold text-primary">
               {revealed ? "Hide" : "Reveal"}
             </Text>
           </Pressable>
diff --git a/components/batch/BatchActionBar.tsx b/components/batch/BatchActionBar.tsx
index 0fa9211..a219010 100644
--- a/components/batch/BatchActionBar.tsx
+++ b/components/batch/BatchActionBar.tsx
@@ -54,7 +54,7 @@ export function BatchActionBar({
             className="flex-row items-center rounded-lg bg-primary/10 px-3 py-2"
           >
             <Edit3 size={14} color={accent} />
-            <Text className="ml-1.5 text-xs font-semibold text-primary">{t("common.edit")}</Text>
+            <Text className="ms-1.5 text-xs font-semibold text-primary">{t("common.edit")}</Text>
           </Pressable>
         )}
         {onBatchDelete && (
@@ -63,7 +63,7 @@ export function BatchActionBar({
             className="flex-row items-center rounded-lg bg-destructive/10 px-3 py-2"
           >
             <Trash2 size={14} color="#ef4444" />
-            <Text className="ml-1.5 text-xs font-semibold text-destructive">{t("common.delete")}</Text>
+            <Text className="ms-1.5 text-xs font-semibold text-destructive">{t("common.delete")}</Text>
           </Pressable>
         )}
       </View>
diff --git a/components/common/FloatingActionButton.tsx b/components/common/FloatingActionButton.tsx
index 56ad79e..33729c8 100644
--- a/components/common/FloatingActionButton.tsx
+++ b/components/common/FloatingActionButton.tsx
@@ -32,7 +32,7 @@ export function FloatingActionButton({
   };
 
   return (
-    <View testID={testID} className="absolute bottom-6 right-6 items-end">
+    <View testID={testID} className="absolute bottom-6 end-6 items-end">
       {/* Expanded action items */}
       {expanded && actions && actions.map((action) => (
         <TouchableOpacity
diff --git a/components/common/OfflineIndicator.tsx b/components/common/OfflineIndicator.tsx
index eebe084..849aa86 100644
--- a/components/common/OfflineIndicator.tsx
+++ b/components/common/OfflineIndicator.tsx
@@ -55,7 +55,7 @@ export function OfflineIndicator({
           className="flex-row items-center rounded-lg bg-primary/10 px-2.5 py-1"
         >
           <RefreshCw size={12} color={accent} />
-          <Text className="ml-1 text-xs font-medium text-primary">
+          <Text className="ms-1 text-xs font-medium text-primary">
             {isSyncing ? "Syncing…" : "Sync"}
           </Text>
         </Pressable>
diff --git a/components/common/ScreenHeader.tsx b/components/common/ScreenHeader.tsx
index e2f3558..b027ccb 100644
--- a/components/common/ScreenHeader.tsx
+++ b/components/common/ScreenHeader.tsx
@@ -97,7 +97,7 @@ export function ScreenHeader({
         </View>
 
         {right ? (
-          <View className="flex-row items-center pr-1">{right}</View>
+          <View className="flex-row items-center pe-1">{right}</View>
         ) : (
           <View className="w-2" />
         )}
diff --git a/components/common/SkeletonList.tsx b/components/common/SkeletonList.tsx
index edf5a6d..f3d157c 100644
--- a/components/common/SkeletonList.tsx
+++ b/components/common/SkeletonList.tsx
@@ -15,7 +15,7 @@ export function SkeletonList({ rows = 5, showAvatar = true, testID = "skeleton-l
       {Array.from({ length: rows }).map((_, i) => (
         <View key={i} className="flex-row items-center px-4 py-3 border-b border-border/30">
           {showAvatar && (
-            <View className="h-10 w-10 rounded-full bg-muted animate-pulse mr-3" />
+            <View className="h-10 w-10 rounded-full bg-muted animate-pulse me-3" />
           )}
           <View className="flex-1">
             <View className="h-4 w-3/4 rounded bg-muted animate-pulse mb-2" />
diff --git a/components/common/UndoSnackbar.tsx b/components/common/UndoSnackbar.tsx
index 7300dd4..1eab4cb 100644
--- a/components/common/UndoSnackbar.tsx
+++ b/components/common/UndoSnackbar.tsx
@@ -56,7 +56,7 @@ export function UndoSnackbar({
         accessibilityLabel={t("common.undo")}
         accessibilityRole="button"
       >
-        <Text className="ml-3 text-sm font-bold text-primary">{t("common.undo")}</Text>
+        <Text className="ms-3 text-sm font-bold text-primary">{t("common.undo")}</Text>
       </TouchableOpacity>
     </View>
   );
diff --git a/components/home/QuickCreateSheet.tsx b/components/home/QuickCreateSheet.tsx
index c077504..68e0790 100644
--- a/components/home/QuickCreateSheet.tsx
+++ b/components/home/QuickCreateSheet.tsx
@@ -98,7 +98,7 @@ export function QuickCreateSheet({
                 <View className="rounded-lg bg-primary/10 p-2">
                   <Icon size={18} color={accent} />
                 </View>
-                <View className="ml-3 flex-1">
+                <View className="ms-3 flex-1">
                   <Text className="text-base text-foreground">{o.label}</Text>
                   <Text className="text-xs text-muted-foreground">{o.appLabel}</Text>
                 </View>
diff --git a/components/query/QueryBuilder.tsx b/components/query/QueryBuilder.tsx
index a010e8f..b68f0c3 100644
--- a/components/query/QueryBuilder.tsx
+++ b/components/query/QueryBuilder.tsx
@@ -61,7 +61,7 @@ export function QueryBuilder({
           className="flex-row items-center rounded-lg border border-primary/30 bg-primary/10 px-3 py-1.5"
         >
           <ToggleLeft size={14} color={accent} />
-          <Text className="ml-1.5 text-xs font-semibold text-primary">
+          <Text className="ms-1.5 text-xs font-semibold text-primary">
             Match {root.logic === "AND" ? "ALL" : "ANY"}
           </Text>
         </Pressable>
@@ -69,7 +69,7 @@ export function QueryBuilder({
         {root.filters.length > 0 && (
           <Pressable onPress={onClear} className="flex-row items-center rounded-lg px-2 py-1">
             <Trash2 size={14} color="#ef4444" />
-            <Text className="ml-1 text-xs text-destructive">{t("common.clear")}</Text>
+            <Text className="ms-1 text-xs text-destructive">{t("common.clear")}</Text>
           </Pressable>
         )}
       </View>
@@ -100,7 +100,7 @@ export function QueryBuilder({
         className="mt-3 flex-row items-center self-start rounded-lg border border-dashed border-border px-3 py-2"
       >
         <Plus size={14} color="#64748b" />
-        <Text className="ml-1.5 text-xs font-medium text-muted-foreground">{t("filter.addFilter")}</Text>
+        <Text className="ms-1.5 text-xs font-medium text-muted-foreground">{t("filter.addFilter")}</Text>
       </Pressable>
     </View>
   );
diff --git a/components/realtime/CollaborationIndicator.tsx b/components/realtime/CollaborationIndicator.tsx
index 06e570c..343dd79 100644
--- a/components/realtime/CollaborationIndicator.tsx
+++ b/components/realtime/CollaborationIndicator.tsx
@@ -47,7 +47,7 @@ export function CollaborationIndicator({
 
   return (
     <View className="flex-row items-center gap-1 px-4 py-2" accessible={true} accessibilityLabel={`${members.length} viewer${members.length !== 1 ? "s" : ""} active`}>
-      <Text className="mr-1 text-xs text-muted-foreground">Viewing:</Text>
+      <Text className="me-1 text-xs text-muted-foreground">Viewing:</Text>
       {visible.map((member) => (
         <View
           key={member.userId}
@@ -57,7 +57,7 @@ export function CollaborationIndicator({
             {getInitial(member.userId)}
           </Text>
           <View
-            className="absolute -bottom-0.5 -right-0.5 h-2 w-2 rounded-full border border-white"
+            className="absolute -bottom-0.5 -end-0.5 h-2 w-2 rounded-full border border-white"
             style={{
               backgroundColor: statusColors[member.status] ?? "#94a3b8",
             }}
diff --git a/components/renderers/CalendarViewRenderer.tsx b/components/renderers/CalendarViewRenderer.tsx
index 18b2e3d..325a4b9 100644
--- a/components/renderers/CalendarViewRenderer.tsx
+++ b/components/renderers/CalendarViewRenderer.tsx
@@ -268,7 +268,7 @@ export function CalendarViewRenderer({
                 onPress={() => onEventPress?.(ev)}
               >
                 <View
-                  className="mr-3 h-3 w-3 rounded-full"
+                  className="me-3 h-3 w-3 rounded-full"
                   style={{ backgroundColor: ev.color ?? "#3b82f6" }}
                 />
                 <Text className="flex-1 text-sm font-medium text-card-foreground" numberOfLines={1}>
diff --git a/components/renderers/ChartViewRenderer.tsx b/components/renderers/ChartViewRenderer.tsx
index a6eed7a..cf15e98 100644
--- a/components/renderers/ChartViewRenderer.tsx
+++ b/components/renderers/ChartViewRenderer.tsx
@@ -157,7 +157,7 @@ function PieChartView({ data }: { data: AnalyticsDataPoint[] }) {
               {point.label}
             </Text>
             <Text className="text-sm font-medium text-foreground">{point.value}</Text>
-            <Text className="text-xs text-muted-foreground w-12 text-right">{pct}%</Text>
+            <Text className="text-xs text-muted-foreground w-12 text-end">{pct}%</Text>
           </View>
         );
       })}
diff --git a/components/renderers/DashboardViewRenderer.tsx b/components/renderers/DashboardViewRenderer.tsx
index 79b2901..30d18b7 100644
--- a/components/renderers/DashboardViewRenderer.tsx
+++ b/components/renderers/DashboardViewRenderer.tsx
@@ -104,7 +104,7 @@ function MetricWidget({
     <Card className="mb-3 p-4">
       <View className="flex-row items-start justify-between">
         <Text
-          className="min-h-[40px] flex-1 pr-2 text-sm font-medium text-muted-foreground"
+          className="min-h-[40px] flex-1 pe-2 text-sm font-medium text-muted-foreground"
           numberOfLines={2}
         >
           {widget.title ?? widget.name}
@@ -137,7 +137,7 @@ function MetricWidget({
                   <TrendingDown size={12} color="#dc2626" />
                 )}
                 <Text
-                  className={`ml-1 text-xs font-semibold ${
+                  className={`ms-1 text-xs font-semibold ${
                     isPositive ? "text-emerald-600" : "text-red-600"
                   }`}
                 >
diff --git a/components/renderers/DetailViewRenderer.tsx b/components/renderers/DetailViewRenderer.tsx
index 4c558ee..d13c5bc 100644
--- a/components/renderers/DetailViewRenderer.tsx
+++ b/components/renderers/DetailViewRenderer.tsx
@@ -300,7 +300,7 @@ function DetailActionBar({
       {hasMore && (
         <>
           <Pressable
-            className="ml-auto h-9 w-9 items-center justify-center rounded-lg active:bg-muted"
+            className="ms-auto h-9 w-9 items-center justify-center rounded-lg active:bg-muted"
             onPress={() => setMoreOpen(true)}
             accessibilityRole="button"
             accessibilityLabel={t("records.moreActions")}
@@ -393,7 +393,7 @@ function RelatedListSection({
                   {config.columns.map((col) => (
                     <View key={col} className="flex-row justify-between gap-3">
                       <Text className="text-xs text-muted-foreground">{humanizeField(col)}</Text>
-                      <Text className="flex-1 text-right text-sm text-card-foreground" numberOfLines={1}>
+                      <Text className="flex-1 text-end text-sm text-card-foreground" numberOfLines={1}>
                         {rec[col] == null ? "—" : String(rec[col])}
                       </Text>
                     </View>
@@ -444,7 +444,7 @@ function RecordNavigator({
         <ChevronLeft size={16} color={hasPrevious ? accent : "#94a3b8"} />
         <Text
           className={cn(
-            "ml-1 text-sm font-medium",
+            "ms-1 text-sm font-medium",
             hasPrevious ? "text-primary" : "text-muted-foreground",
           )}
         >
@@ -466,7 +466,7 @@ function RecordNavigator({
       >
         <Text
           className={cn(
-            "mr-1 text-sm font-medium",
+            "me-1 text-sm font-medium",
             hasNext ? "text-primary" : "text-muted-foreground",
           )}
         >
diff --git a/components/renderers/FilterDrawer.tsx b/components/renderers/FilterDrawer.tsx
index 172f620..7f8c099 100644
--- a/components/renderers/FilterDrawer.tsx
+++ b/components/renderers/FilterDrawer.tsx
@@ -77,11 +77,11 @@ export function FilterDrawer({
           <View className="flex-row items-center justify-between border-b border-border px-4 py-3">
             <View className="flex-row items-center">
               <Filter size={18} color={accent} />
-              <Text className="ml-2 text-lg font-semibold text-foreground">
+              <Text className="ms-2 text-lg font-semibold text-foreground">
                 Filters
               </Text>
               {filterCount > 0 && (
-                <View className="ml-2 min-w-[20px] items-center rounded-full bg-primary px-1.5 py-0.5">
+                <View className="ms-2 min-w-[20px] items-center rounded-full bg-primary px-1.5 py-0.5">
                   <Text className="text-[10px] font-bold text-primary-foreground">
                     {filterCount}
                   </Text>
@@ -166,7 +166,7 @@ export function FilterButton({ count = 0, onPress, className }: FilterButtonProp
       <Filter size={16} color={isActive ? "#1e40af" : "#64748b"} />
       <Text
         className={cn(
-          "ml-1.5 text-xs font-medium",
+          "ms-1.5 text-xs font-medium",
           isActive ? "text-primary" : "text-muted-foreground",
         )}
       >
@@ -174,7 +174,7 @@ export function FilterButton({ count = 0, onPress, className }: FilterButtonProp
       </Text>
 
       {isActive && (
-        <View className="absolute -right-1.5 -top-1.5 min-w-[18px] items-center rounded-full bg-primary px-1 py-0.5">
+        <View className="absolute -end-1.5 -top-1.5 min-w-[18px] items-center rounded-full bg-primary px-1 py-0.5">
           <Text className="text-[10px] font-bold text-primary-foreground">
             {count}
           </Text>
diff --git a/components/renderers/KanbanViewRenderer.tsx b/components/renderers/KanbanViewRenderer.tsx
index 76bd41d..9fd2de5 100644
--- a/components/renderers/KanbanViewRenderer.tsx
+++ b/components/renderers/KanbanViewRenderer.tsx
@@ -16,7 +16,7 @@ function KanbanSkeleton() {
   return (
     <View className="flex-1 flex-row px-4 pt-3">
       {[0, 1, 2].map((c) => (
-        <View key={c} className="mr-3 w-64 rounded-xl bg-muted/30 p-2">
+        <View key={c} className="me-3 w-64 rounded-xl bg-muted/30 p-2">
           <View className="mb-2 px-1">
             <Skeleton className="h-4 w-24 rounded-md" />
           </View>
@@ -103,7 +103,7 @@ function KanbanCard({
       onPress={onPress}
     >
       <View className="flex-row items-start">
-        <View className="mr-2 mt-1">
+        <View className="me-2 mt-1">
           <GripVertical size={14} color="#94a3b8" />
         </View>
         <View className="flex-1">
@@ -142,7 +142,7 @@ function KanbanColumnView({
 }) {
   const { t } = useTranslation();
   return (
-    <View className="mr-3 w-64 rounded-xl bg-muted/30 p-2">
+    <View className="me-3 w-64 rounded-xl bg-muted/30 p-2">
       {/* Column header */}
       <View className="mb-2 flex-row items-center justify-between px-1">
         <View className="flex-row items-center gap-2">
diff --git a/components/renderers/ListViewRenderer.tsx b/components/renderers/ListViewRenderer.tsx
index 85f7100..87c4054 100644
--- a/components/renderers/ListViewRenderer.tsx
+++ b/components/renderers/ListViewRenderer.tsx
@@ -491,7 +491,7 @@ export function ListViewRenderer({
             {selectionMode !== "none" && (
               <Pressable
                 className={cn(
-                  "mr-3 h-5 w-5 items-center justify-center rounded border",
+                  "me-3 h-5 w-5 items-center justify-center rounded border",
                   isSelected
                     ? "border-primary bg-primary"
                     : "border-muted-foreground/40",
@@ -580,7 +580,7 @@ export function ListViewRenderer({
             <Text className="text-xs font-semibold uppercase text-muted-foreground">
               {item.label}
             </Text>
-            <Text className="ml-2 text-xs text-muted-foreground/60">({item.count})</Text>
+            <Text className="ms-2 text-xs text-muted-foreground/60">({item.count})</Text>
           </View>
         );
       }
@@ -710,7 +710,7 @@ export function ListViewRenderer({
             <Layers size={13} color={effectiveGroupField ? accent : "#94a3b8"} />
             <Text
               className={cn(
-                "ml-1.5 text-xs font-medium",
+                "ms-1.5 text-xs font-medium",
                 effectiveGroupField ? "text-primary" : "text-muted-foreground",
               )}
             >
@@ -744,7 +744,7 @@ export function ListViewRenderer({
                 >
                   {col.label ?? col.field}
                 </Text>
-                <View className="ml-1">
+                <View className="ms-1">
                   {isActive ? (
                     sortDir === "asc" ? (
                       <ArrowUp size={12} color={accent} />
diff --git a/components/renderers/TimelineViewRenderer.tsx b/components/renderers/TimelineViewRenderer.tsx
index 18cb9c5..e24b4d0 100644
--- a/components/renderers/TimelineViewRenderer.tsx
+++ b/components/renderers/TimelineViewRenderer.tsx
@@ -135,7 +135,7 @@ export function TimelineViewRenderer({
             onPress={onEntryPress ? () => onEntryPress(entry) : undefined}
           >
             {/* Timeline connector */}
-            <View className="mr-3 items-center" style={{ width: 24 }}>
+            <View className="me-3 items-center" style={{ width: 24 }}>
               {/* Dot */}
               <View
                 className="h-6 w-6 items-center justify-center rounded-full"
diff --git a/components/renderers/charts/WidgetChart.tsx b/components/renderers/charts/WidgetChart.tsx
index 5c4ffc2..3024009 100644
--- a/components/renderers/charts/WidgetChart.tsx
+++ b/components/renderers/charts/WidgetChart.tsx
@@ -112,14 +112,14 @@ function DonutChart({ data, colors }: WidgetChartProps) {
           )}
         </G>
       </Svg>
-      <View className="ml-3 flex-1 gap-1.5">
+      <View className="ms-3 flex-1 gap-1.5">
         {slices.slice(0, 6).map((s, i) => (
           <View key={i} className="flex-row items-center">
             <View className="h-2.5 w-2.5 rounded-sm" style={{ backgroundColor: s.color }} />
-            <Text className="ml-2 flex-1 text-xs text-foreground" numberOfLines={1}>
+            <Text className="ms-2 flex-1 text-xs text-foreground" numberOfLines={1}>
               {s.label}
             </Text>
-            <Text className="ml-1 text-xs font-medium text-muted-foreground">
+            <Text className="ms-1 text-xs font-medium text-muted-foreground">
               {Math.round(s.frac * 100)}%
             </Text>
           </View>
@@ -231,7 +231,7 @@ function FunnelChart({ data, colors, format = identity }: WidgetChartProps) {
             </Text>
             <View className="h-5 flex-1 justify-center rounded-sm bg-muted/30">
               <View
-                className="h-5 items-end justify-center rounded-sm pr-1"
+                className="h-5 items-end justify-center rounded-sm pe-1"
                 style={{ width: `${Math.min(pct, 100)}%`, backgroundColor: paletteAt(colors, i) }}
               >
                 <Text className="text-[9px] font-semibold text-white" numberOfLines={1}>
diff --git a/components/renderers/fields/FieldRenderer.tsx b/components/renderers/fields/FieldRenderer.tsx
index d6eba32..dacb662 100644
--- a/components/renderers/fields/FieldRenderer.tsx
+++ b/components/renderers/fields/FieldRenderer.tsx
@@ -190,7 +190,7 @@ function ReadOnlyValue({ field, value }: { field: FieldDefinition; value: unknow
             value ? "bg-emerald-500" : "bg-muted",
           )}
         />
-        <Text className="ml-2 text-base text-foreground">
+        <Text className="ms-2 text-base text-foreground">
           {value ? "Yes" : "No"}
         </Text>
       </View>
diff --git a/components/sync/ConflictResolutionDialog.tsx b/components/sync/ConflictResolutionDialog.tsx
index 7738969..7f2448b 100644
--- a/components/sync/ConflictResolutionDialog.tsx
+++ b/components/sync/ConflictResolutionDialog.tsx
@@ -79,7 +79,7 @@ export function ConflictResolutionDialog({
                     className="flex-1 flex-row items-center justify-center rounded-lg bg-primary/10 py-2"
                   >
                     <RefreshCw size={12} color={accent} />
-                    <Text className="ml-1.5 text-xs font-semibold text-primary">
+                    <Text className="ms-1.5 text-xs font-semibold text-primary">
                       Keep Local
                     </Text>
                   </Pressable>
@@ -88,7 +88,7 @@ export function ConflictResolutionDialog({
                     className="flex-1 flex-row items-center justify-center rounded-lg bg-destructive/10 py-2"
                   >
                     <Trash2 size={12} color="#ef4444" />
-                    <Text className="ml-1.5 text-xs font-semibold text-destructive">
+                    <Text className="ms-1.5 text-xs font-semibold text-destructive">
                       Keep Server
                     </Text>
                   </Pressable>
diff --git a/components/ui/Input.tsx b/components/ui/Input.tsx
index 83d3f48..efc044a 100644
--- a/components/ui/Input.tsx
+++ b/components/ui/Input.tsx
@@ -29,7 +29,7 @@ export const Input = React.forwardRef<TextInput, InputProps>(
           containerClassName
         )}
       >
-        {leftSlot ? <View className="mr-2">{leftSlot}</View> : null}
+        {leftSlot ? <View className="me-2">{leftSlot}</View> : null}
         <TextInput
           ref={ref}
           className={cn(
@@ -47,7 +47,7 @@ export const Input = React.forwardRef<TextInput, InputProps>(
           }}
           {...props}
         />
-        {rightSlot ? <View className="ml-2">{rightSlot}</View> : null}
+        {rightSlot ? <View className="ms-2">{rightSlot}</View> : null}
       </View>
     );
   }
diff --git a/components/ui/ListSkeleton.tsx b/components/ui/ListSkeleton.tsx
index a8952eb..1628320 100644
--- a/components/ui/ListSkeleton.tsx
+++ b/components/ui/ListSkeleton.tsx
@@ -21,7 +21,7 @@ export function ListSkeleton({ count = 5 }: ListSkeletonProps) {
           className="flex-row items-center rounded-2xl border border-border bg-card p-5"
         >
           <Skeleton className="h-12 w-12 rounded-xl" />
-          <View className="ml-4 flex-1 gap-2">
+          <View className="ms-4 flex-1 gap-2">
             <Skeleton className="h-4 w-1/2 rounded-md" />
             <Skeleton className="h-3 w-3/4 rounded-md" />
           </View>
diff --git a/components/ui/MultiSelect.tsx b/components/ui/MultiSelect.tsx
index 2185afc..694e02f 100644
--- a/components/ui/MultiSelect.tsx
+++ b/components/ui/MultiSelect.tsx
@@ -74,7 +74,7 @@ export function MultiSelect({
             ))}
           </View>
         )}
-        <ChevronDown size={16} className="ml-1 text-muted-foreground" />
+        <ChevronDown size={16} className="ms-1 text-muted-foreground" />
       </Pressable>
 
       <Modal visible={open} transparent animationType="fade" onRequestClose={() => setOpen(false)}>
diff --git a/components/views/SaveViewDialog.tsx b/components/views/SaveViewDialog.tsx
index 0fe2fb7..9b8adda 100644
--- a/components/views/SaveViewDialog.tsx
+++ b/components/views/SaveViewDialog.tsx
@@ -126,7 +126,7 @@ export function SaveViewDialog({
             )}
           >
             <Save size={16} color="#ffffff" />
-            <Text className="ml-2 font-semibold text-primary-foreground">
+            <Text className="ms-2 font-semibold text-primary-foreground">
               {isSaving ? t("common.saving") : t("views.saveView")}
             </Text>
           </Pressable>
diff --git a/components/views/ViewTabs.tsx b/components/views/ViewTabs.tsx
index cb29106..94edd6d 100644
--- a/components/views/ViewTabs.tsx
+++ b/components/views/ViewTabs.tsx
@@ -76,7 +76,7 @@ export function ViewTabs({
               <Bookmark size={12} color={isActive ? accent : "#94a3b8"} />
               <Text
                 className={cn(
-                  "ml-1.5 text-xs font-medium",
+                  "ms-1.5 text-xs font-medium",
                   isActive ? "text-primary" : "text-muted-foreground",
                 )}
                 numberOfLines={1}
@@ -84,11 +84,11 @@ export function ViewTabs({
                 {view.name}
               </Text>
               {isActive && view.visibility === "shared" && (
-                <Text className="ml-1 text-xs text-muted-foreground">•</Text>
+                <Text className="ms-1 text-xs text-muted-foreground">•</Text>
               )}
             </Pressable>
             {isActive && onDelete && (
-              <Pressable onPress={() => onDelete(view.id)} className="ml-1 p-1">
+              <Pressable onPress={() => onDelete(view.id)} className="ms-1 p-1">
                 <X size={12} color="#ef4444" />
               </Pressable>
             )}
diff --git a/components/workflow/RecordStateMachines.tsx b/components/workflow/RecordStateMachines.tsx
index bf7b740..5795eaa 100644
--- a/components/workflow/RecordStateMachines.tsx
+++ b/components/workflow/RecordStateMachines.tsx
@@ -82,7 +82,7 @@ export function RecordStateMachines({
                           anyBusy ? "opacity-50" : ""
                         }`}
                       >
-                        <View className="flex-1 pr-2">
+                        <View className="flex-1 pe-2">
                           <Text className="text-sm font-medium text-foreground">
                             {tr.label ?? tr.event}
                           </Text>
diff --git a/lib/i18n.ts b/lib/i18n.ts
index 0e89c33..61d6482 100644
--- a/lib/i18n.ts
+++ b/lib/i18n.ts
@@ -10,11 +10,16 @@
 import i18n from "i18next";
 import { initReactI18next } from "react-i18next";
 import { getLocales } from "expo-localization";
+import { createMMKV } from "react-native-mmkv";
 
 import en from "~/locales/en.json";
 import zh from "~/locales/zh.json";
 import ar from "~/locales/ar.json";
 
+/** Shared with `ui-store` — the persisted language key lives in this store. */
+const uiStorage = createMMKV({ id: "objectstack-ui" });
+export const LANGUAGE_KEY = "language";
+
 /** Languages that use right-to-left layout */
 export const RTL_LANGUAGES = new Set(["ar", "he", "fa", "ur"]);
 
@@ -42,6 +47,21 @@ export function detectDeviceLanguage(): SupportedLanguage {
   }
 }
 
+/**
+ * Initial language: the user's persisted choice wins over device detection, so
+ * a manual selection survives the reload that an RTL direction change triggers.
+ */
+function loadInitialLanguage(): SupportedLanguage {
+  try {
+    const stored = uiStorage.getString(LANGUAGE_KEY);
+    const supported = SUPPORTED_LANGUAGES.map((l) => l.code) as readonly string[];
+    if (stored && supported.includes(stored)) return stored as SupportedLanguage;
+  } catch {
+    // fall through to device detection
+  }
+  return detectDeviceLanguage();
+}
+
 /** Check whether the current language is RTL */
 export function isRTL(lang?: string): boolean {
   const code = lang ?? i18n.language ?? "en";
@@ -52,7 +72,7 @@ const resources = { en: { translation: en }, zh: { translation: zh }, ar: { tran
 
 i18n.use(initReactI18next).init({
   resources,
-  lng: detectDeviceLanguage(),
+  lng: loadInitialLanguage(),
   fallbackLng: "en",
   interpolation: { escapeValue: false },
   compatibilityJSON: "v4",
diff --git a/lib/rtl.ts b/lib/rtl.ts
new file mode 100644
index 0000000..ea0b16b
--- /dev/null
+++ b/lib/rtl.ts
@@ -0,0 +1,49 @@
+import { I18nManager, Platform } from "react-native";
+import { isRTL } from "./i18n";
+
+/**
+ * Apply the writing direction for a language.
+ *
+ * - **Web**: React-Native-Web doesn't honour `I18nManager.forceRTL`, so the
+ *   direction is driven by the document `dir` attribute (CSS logical
+ *   properties + `flex-direction: row` flip from there).
+ * - **Native**: `I18nManager.forceRTL` flips `flex-direction: row`,
+ *   `marginStart/End`, `start/end` insets and text alignment. The flag persists
+ *   across launches, so a change takes full effect after the app restarts.
+ *
+ * Returns `true` when a **native** restart is needed to fully apply the change
+ * (the direction flag differs from what's currently live).
+ */
+export function syncRTL(lang?: string): boolean {
+  const rtl = isRTL(lang);
+
+  if (Platform.OS === "web") {
+    if (typeof document !== "undefined") {
+      document.documentElement.dir = rtl ? "rtl" : "ltr";
+      if (lang) document.documentElement.lang = lang;
+    }
+    return false;
+  }
+
+  const needsRestart = I18nManager.isRTL !== rtl;
+  // Allow RTL at all, then force the concrete direction. `forceRTL` persists,
+  // so even without an immediate reload the next launch lays out correctly.
+  I18nManager.allowRTL(true);
+  I18nManager.forceRTL(rtl);
+  return needsRestart;
+}
+
+/**
+ * Best-effort app reload to apply an RTL direction change immediately.
+ *
+ * - **Web**: a full page reload re-reads `document.dir`.
+ * - **Native**: there is no bundled restart module (no `expo-updates` /
+ *   `react-native-restart`), so this is a no-op — `forceRTL` has been
+ *   persisted and applies on the next launch. Callers should tell the user to
+ *   restart.
+ */
+export function reloadForRTL(): void {
+  if (Platform.OS === "web" && typeof window !== "undefined") {
+    window.location.reload();
+  }
+}
diff --git a/stores/ui-store.ts b/stores/ui-store.ts
index 2851525..ecf2fb9 100644
--- a/stores/ui-store.ts
+++ b/stores/ui-store.ts
@@ -1,8 +1,9 @@
 import { create } from "zustand";
 import { colorScheme } from "nativewind";
 import { createMMKV } from "react-native-mmkv";
-import i18n from "~/lib/i18n";
+import i18n, { isRTL, LANGUAGE_KEY } from "~/lib/i18n";
 import type { SupportedLanguage } from "~/lib/i18n";
+import { syncRTL, reloadForRTL } from "~/lib/rtl";
 
 export type ThemeMode = "light" | "dark" | "system";
 /** Default list row spacing when a view doesn't dictate its own. */
@@ -57,7 +58,16 @@ export const useUIStore = create<UIState>((set) => ({
   },
   language: (i18n.language ?? "en") as SupportedLanguage,
   setLanguage: (lang) => {
+    const directionFlips = isRTL(i18n.language) !== isRTL(lang);
+    // Persist so the choice survives the reload an RTL flip triggers (and app
+    // restarts in general) — i18n's init reads this before device detection.
+    storage.set(LANGUAGE_KEY, lang);
     i18n.changeLanguage(lang);
     set({ language: lang });
+    // Apply writing direction. When the direction actually flips (e.g. en↔ar),
+    // the layout must re-lay-out: on web a reload re-reads `document.dir`; on
+    // native `forceRTL` is persisted and applies on the next launch.
+    syncRTL(lang);
+    if (directionFlips) reloadForRTL();
   },
 }));