feat: implement import mode in authentication flow and update UI accordingly

app/src/main/java/com/rosetta/messenger/ui/auth/AuthFlow.kt

@@ -42,6 +42,7 @@ fun AuthFlow(
         ) 
     }
     var showCreateModal by remember { mutableStateOf(false) }
+    var isImportMode by remember { mutableStateOf(false) }
     
     // Handle system back button
     BackHandler(enabled = currentScreen != AuthScreen.UNLOCK && !(currentScreen == AuthScreen.WELCOME && !hasExistingAccount)) {
@@ -54,10 +55,22 @@ fun AuthFlow(
             }
             AuthScreen.CONFIRM_SEED -> currentScreen = AuthScreen.SEED_PHRASE
             AuthScreen.SET_PASSWORD -> {
-                currentScreen = if (hasExistingAccount) AuthScreen.UNLOCK else AuthScreen.CONFIRM_SEED
+                if (isImportMode) {
+                    currentScreen = AuthScreen.IMPORT_SEED
+                } else if (hasExistingAccount) {
+                    currentScreen = AuthScreen.UNLOCK
+                } else {
+                    currentScreen = AuthScreen.CONFIRM_SEED
+                }
             }
             AuthScreen.IMPORT_SEED -> {
-                currentScreen = if (hasExistingAccount) AuthScreen.WELCOME else AuthScreen.WELCOME
+                if (isImportMode && hasExistingAccount) {
+                    // Came from UnlockScreen recover — go back to unlock
+                    currentScreen = AuthScreen.UNLOCK
+                    isImportMode = false
+                } else {
+                    currentScreen = AuthScreen.WELCOME
+                }
             }
             else -> {} // UNLOCK doesn't have back navigation
         }
@@ -129,9 +142,11 @@ fun AuthFlow(
                 SetPasswordScreen(
                     seedPhrase = seedPhrase,
                     isDarkTheme = isDarkTheme,
+                    isImportMode = isImportMode,
                     onBack = { 
-                        // If there are existing accounts, allow going back to unlock screen
+                        if (isImportMode) {
-                        if (hasExistingAccount) {
+                            currentScreen = AuthScreen.IMPORT_SEED
+                        } else if (hasExistingAccount) {
                             currentScreen = AuthScreen.UNLOCK
                         } else {
                             currentScreen = AuthScreen.CONFIRM_SEED
@@ -144,7 +159,14 @@ fun AuthFlow(
             AuthScreen.IMPORT_SEED -> {
                 ImportSeedPhraseScreen(
                     isDarkTheme = isDarkTheme,
-                    onBack = { currentScreen = AuthScreen.WELCOME },
+                    onBack = { 
+                        if (isImportMode && hasExistingAccount) {
+                            currentScreen = AuthScreen.UNLOCK
+                            isImportMode = false
+                        } else {
+                            currentScreen = AuthScreen.WELCOME
+                        }
+                    },
                     onSeedPhraseImported = { words ->
                         seedPhrase = words
                         currentScreen = AuthScreen.SET_PASSWORD
@@ -160,7 +182,13 @@ fun AuthFlow(
                     onSwitchAccount = {
                         // Navigate to create new account screen
                         // Don't reset selectedAccountId so last logged account is remembered
+                        isImportMode = false
                         currentScreen = AuthScreen.WELCOME
+                    },
+                    onRecover = {
+                        // Go directly to seed import (like Desktop's "recover your password")
+                        isImportMode = true
+                        currentScreen = AuthScreen.IMPORT_SEED
                     }
                 )
             }

app/src/main/java/com/rosetta/messenger/ui/auth/SetPasswordScreen.kt

@@ -38,6 +38,7 @@ import kotlinx.coroutines.launch
 fun SetPasswordScreen(
         seedPhrase: List<String>,
         isDarkTheme: Boolean,
+        isImportMode: Boolean = false,
         onBack: () -> Unit,
         onAccountCreated: (DecryptedAccount) -> Unit
 ) {
@@ -191,7 +192,7 @@ fun SetPasswordScreen(
                         enter = fadeIn(tween(400, delayMillis = 100))
                 ) {
                     Text(
-                            text = "Protect Your Account",
+                            text = if (isImportMode) "Recover Account" else "Protect Your Account",
                             fontSize = if (isKeyboardVisible) 20.sp else 24.sp,
                             fontWeight = FontWeight.Bold,
                             color = textColor
@@ -205,7 +206,9 @@ fun SetPasswordScreen(
                         enter = fadeIn(tween(500, delayMillis = 200))
                 ) {
                     Text(
-                            text =
+                            text = if (isImportMode)
+                                    "Set a password to protect your recovered account.\nYou'll need it to unlock Rosetta."
+                            else
                                     "This password encrypts your keys locally.\nYou'll need it to unlock Rosetta.",
                             fontSize = if (isKeyboardVisible) 12.sp else 14.sp,
                             color = secondaryTextColor,
@@ -568,7 +571,7 @@ fun SetPasswordScreen(
                             )
                         } else {
                             Text(
-                                    text = "Create Account",
+                                    text = if (isImportMode) "Recover Account" else "Create Account",
                                     fontSize = 16.sp,
                                     fontWeight = FontWeight.SemiBold
                             )

app/src/main/java/com/rosetta/messenger/ui/auth/UnlockScreen.kt

@@ -156,7 +156,8 @@ fun UnlockScreen(
         isDarkTheme: Boolean,
         selectedAccountId: String? = null,
         onUnlocked: (DecryptedAccount) -> Unit,
-        onSwitchAccount: () -> Unit = {}
+        onSwitchAccount: () -> Unit = {},
+        onRecover: () -> Unit = {}
 ) {
     val themeAnimSpec =
             tween<Color>(durationMillis = 500, easing = CubicBezierEasing(0.4f, 0f, 0.2f, 1f))
@@ -716,23 +717,41 @@ fun UnlockScreen(
                         )
                     }
                     
-                    Spacer(modifier = Modifier.height(20.dp))
+                    Spacer(modifier = Modifier.height(16.dp))
                     
-                    TextButton(onClick = onSwitchAccount) {
+                    TextButton(onClick = onRecover) {
                         Icon(
-                                painter = TelegramIcons.AddContact,
+                                painter = TelegramIcons.Unlock,
                                 contentDescription = null,
                                 tint = PrimaryBlue,
                                 modifier = Modifier.size(18.dp)
                         )
                         Spacer(modifier = Modifier.width(8.dp))
                         Text(
-                            text = "Create or import account",
+                            text = "Recover account",
                             color = PrimaryBlue,
                             fontSize = 15.sp,
                             fontWeight = FontWeight.Medium
                         )
                     }
+                    
+                    Spacer(modifier = Modifier.height(4.dp))
+                    
+                    TextButton(onClick = onSwitchAccount) {
+                        Icon(
+                                painter = TelegramIcons.AddContact,
+                                contentDescription = null,
+                                tint = secondaryTextColor,
+                                modifier = Modifier.size(18.dp)
+                        )
+                        Spacer(modifier = Modifier.width(8.dp))
+                        Text(
+                            text = "Create new account",
+                            color = secondaryTextColor,
+                            fontSize = 14.sp,
+                            fontWeight = FontWeight.Normal
+                        )
+                    }
                 }
             }
         }

app/src/main/java/com/rosetta/messenger/ui/settings/ProfileScreen.kt

@@ -1014,7 +1014,7 @@ fun ProfileScreen(
                                     clip = false
                             )
                             .clip(CircleShape)
-                            .background(if (isDarkTheme) Color(0xFF2C2C2E) else PrimaryBlue)
+                            .background(if (isDarkTheme) Color(0xFF2A2A2A) else Color(0xFF0D8CF4))
                             .clickable { showPhotoPicker = true },
                     contentAlignment = Alignment.Center
             ) {
@@ -1795,7 +1795,7 @@ fun TelegramToggleItem(
     val textColor = if (isDarkTheme) Color.White else Color.Black
     val secondaryTextColor = if (isDarkTheme) Color(0xFF8E8E93) else Color(0xFF666666)
     val iconColor = if (isDarkTheme) Color(0xFF8E8E93) else Color(0xFF666666)
-    val accentColor = if (isDarkTheme) PrimaryBlueDark else PrimaryBlue
+    val accentColor = if (isDarkTheme) Color(0xFF2A2A2A) else Color(0xFF0D8CF4)
     val dividerColor = if (isDarkTheme) Color(0xFF3A3A3A) else Color(0xFFE0E0E0)
 
     Column {