feat: Update status and navigation bar colors to match background; add version text to bottom of ChatsListScreen

app/src/main/java/com/rosetta/messenger/ui/chats/ChatsListScreen.kt

@@ -159,8 +159,8 @@ fun ChatsListScreen(
     val drawerState = rememberDrawerState(initialValue = DrawerValue.Closed)
     val scope = rememberCoroutineScope()
     
-    // Update status bar and hide navigation bar completely
-    LaunchedEffect(isDarkTheme, drawerState.isOpen) {
+    // Update status bar and navigation bar colors to match background
+    LaunchedEffect(isDarkTheme) {
         if (!view.isInEditMode) {
             val window = (view.context as android.app.Activity).window
             val insetsController = androidx.core.view.WindowCompat.getInsetsController(window, view)
@@ -169,9 +169,10 @@ fun ChatsListScreen(
             insetsController.isAppearanceLightStatusBars = !isDarkTheme
             window.statusBarColor = android.graphics.Color.TRANSPARENT
             
-            // Hide navigation bar completely
-            insetsController.hide(androidx.core.view.WindowInsetsCompat.Type.navigationBars())
-            insetsController.systemBarsBehavior = androidx.core.view.WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
+            // Navigation bar - match background color
+            val navBarColor = if (isDarkTheme) 0xFF1A1A1A.toInt() else 0xFFFFFFFF.toInt()
+            window.navigationBarColor = navBarColor
+            insetsController.isAppearanceLightNavigationBars = !isDarkTheme
         }
     }
     
@@ -457,8 +458,21 @@ fun ChatsListScreen(
                     )
                 }
                 
-                // Bottom spacer for navigation bar area (content padding only)
-                Spacer(modifier = Modifier.height(48.dp))
+                Spacer(modifier = Modifier.height(16.dp))
+                
+                // Version text at the bottom
+                Text(
+                    text = "Rosetta v1.0.0",
+                    fontSize = 12.sp,
+                    color = secondaryTextColor.copy(alpha = 0.5f),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(horizontal = 16.dp),
+                    textAlign = TextAlign.Center
+                )
+                
+                // Bottom spacer for navigation bar area
+                Spacer(modifier = Modifier.height(24.dp))
             }
         }
     ) {
@@ -685,7 +699,10 @@ fun ChatsListScreen(
                         },
                         colors = TopAppBarDefaults.topAppBarColors(
                             containerColor = backgroundColor,
-                            titleContentColor = textColor
+                            scrolledContainerColor = backgroundColor,
+                            navigationIconContentColor = textColor,
+                            titleContentColor = textColor,
+                            actionIconContentColor = textColor
                         )
                     )
                 }