feat: Adjust padding and background color in MessageInputBar for improved layout

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

@@ -360,6 +360,7 @@ fun ChatDetailScreen(
         val headerBackground = if (isDarkTheme) Color(0xFF212121) else Color(0xFFFFFFFF)
 
         Scaffold(
+                contentWindowInsets = WindowInsets(0.dp),
                 topBar = {
                     // 🔥 SELECTION HEADER (появляется при выборе сообщений)
                     AnimatedVisibility(
@@ -919,7 +920,6 @@ fun ChatDetailScreen(
                         .fillMaxWidth()
                         .imePadding()
                         .padding(horizontal = 16.dp, vertical = 12.dp)
-                        .navigationBarsPadding()
                 ) {
                     // Glass container с эффектом блюра
                     Box(
@@ -1571,7 +1571,6 @@ private fun MessageInputBar(
             modifier = Modifier
                 .fillMaxWidth()
                 .imePadding()
-                .navigationBarsPadding()
     ) {
         // Если пользователь заблокирован - показываем BlockedChatFooter
         if (isBlocked) {
@@ -1615,6 +1614,7 @@ private fun MessageInputBar(
                 .background(
                     color = if (isDarkTheme) Color(0xFF1C1C1E) else Color(0xFFF2F2F7)
                 )
+                .padding(bottom = if (isKeyboardVisible) 0.dp else 16.dp)
         ) {
             // REPLY PANEL
             AnimatedVisibility(
@@ -1679,7 +1679,7 @@ private fun MessageInputBar(
                 modifier = Modifier
                     .fillMaxWidth()
                     .heightIn(min = 48.dp)
-                    .padding(horizontal = 8.dp, vertical = 0.dp),
+                    .padding(horizontal = 8.dp, vertical = 8.dp),
                 verticalAlignment = Alignment.Bottom
             ) {
                 // EMOJI BUTTON (слева)
@@ -1702,10 +1702,10 @@ private fun MessageInputBar(
                         .weight(1f)
                         .heightIn(min = 36.dp)
                         .background(
-                            color = if (isDarkTheme) Color(0xFF1C1C1E) else Color.White,
+                            color = if (isDarkTheme) Color(0xFF2C2C2E) else Color(0xFFE5E5EA),
-                            shape = RoundedCornerShape(18.dp)
+                            shape = RoundedCornerShape(20.dp)
                         )
-                        .padding(horizontal = 12.dp, vertical = 8.dp),
+                        .padding(horizontal = 12.dp, vertical = 10.dp),
                     contentAlignment = Alignment.CenterStart
                 ) {
                     AppleEmojiTextField(