diff --git a/mobile/components/FloatingNavBar.tsx b/mobile/components/FloatingNavBar.tsx
new file mode 100644
index 0000000..2724224
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+++ b/mobile/components/FloatingNavBar.tsx
@@ -0,0 +1,144 @@
+import React from 'react';
+import { View, Text, Pressable, StyleSheet, Platform } from 'react-native';
+import { useRouter, usePathname } from 'expo-router';
+import { Ionicons } from '@expo/vector-icons';
+import i18n from "../i18n"
+import { useSafeAreaInsets } from 'react-native-safe-area-context';
+
+type TabKey = 'files' | 'search' | 'settings';
+
+interface TabItem {
+  key: TabKey;
+  labelKey: string;
+  route: string;
+  iconActive: keyof typeof Ionicons.glyphMap;
+  iconInactive: keyof typeof Ionicons.glyphMap;
+}
+
+const TABS: TabItem[] = [
+  {
+    key: 'files',
+    labelKey: 'nav.files', // "Fichiers"
+    route: '/',
+    iconActive: 'folder',
+    iconInactive: 'folder-outline',
+  },
+  {
+    key: 'search',
+    labelKey: 'nav.search', // "Recherche"
+    route: '/search',
+    iconActive: 'search',
+    iconInactive: 'search-outline',
+  },
+  {
+    key: 'settings',
+    labelKey: 'nav.settings', // "Configuration"
+    route: '/settings',
+    iconActive: 'settings',
+    iconInactive: 'settings-outline',
+  },
+];
+
+export default function FloatingNavBar() {
+  const router = useRouter();
+  const pathname = usePathname();
+  const insets = useSafeAreaInsets();
+  const { t } = i18n;
+
+  return (
+    <View style={[styles.wrapper, { bottom: Math.max(insets.bottom, 16) }]}>
+      <View style={styles.container}>
+        {TABS.map((tab) => {
+          const isActive = pathname === tab.route;
+
+          return (
+            <Pressable
+              key={tab.key}
+              style={({ pressed }) => [
+                styles.tab,
+                pressed && styles.tabPressed,
+              ]}
+              onPress={() => {
+                if (!isActive) {
+                  router.push(tab.route as any);
+                }
+              }}
+            >
+              <Ionicons
+                name={isActive ? tab.iconActive : tab.iconInactive}
+                size={22}
+                color={isActive ? '#1a73e8' : '#6b7280'}
+              />
+              <Text
+                style={[
+                  styles.label,
+                  isActive ? styles.labelActive : styles.labelInactive,
+                ]}
+                numberOfLines={1}
+              >
+                {t(tab.labelKey)}
+              </Text>
+            </Pressable>
+          );
+        })}
+      </View>
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  wrapper: {
+    position: 'absolute',
+    left: 20,
+    right: 20,
+    alignItems: 'center',
+    zIndex: 100,
+  },
+  container: {
+    flexDirection: 'row',
+    backgroundColor: '#ffffff',
+    borderRadius: 30,
+    paddingVertical: 8,
+    paddingHorizontal: 12,
+    width: '100%',
+    maxWidth: 400,
+    justifyContent: 'space-around',
+    alignItems: 'center',
+
+    // Effet d'ombre / Flottant
+    ...Platform.select({
+      ios: {
+        shadowColor: '#000',
+        shadowOffset: { width: 0, height: 6 },
+        shadowOpacity: 0.12,
+        shadowRadius: 10,
+      },
+      android: {
+        elevation: 8,
+      },
+    }),
+    borderWidth: StyleSheet.hairlineWidth,
+    borderColor: '#eaeaea',
+  },
+  tab: {
+    flex: 1,
+    alignItems: 'center',
+    justifyContent: 'center',
+    paddingVertical: 4,
+  },
+  tabPressed: {
+    opacity: 0.7,
+  },
+  label: {
+    fontSize: 11,
+    marginTop: 3,
+    fontWeight: '500',
+  },
+  labelActive: {
+    color: '#1a73e8',
+    fontWeight: '700',
+  },
+  labelInactive: {
+    color: '#6b7280',
+  },
+});
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