Fix layout issues

Signed-off-by: denis0001-dev <denis0001.dev@ya.ru>

app/shared/src/commonMain/kotlin/ru/fromchat/ui/chat/MessageItem.kt

@@ -11,6 +11,7 @@ import androidx.compose.foundation.gestures.detectTapGestures
 import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.BoxWithConstraints
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.IntrinsicSize
 import androidx.compose.foundation.layout.Row
@@ -90,17 +91,21 @@ fun MessageItem(
                 Spacer(modifier = Modifier.width(8.dp))
             }
 
+            BoxWithConstraints(
+                modifier = Modifier.weight(1f, fill = false)
+            ) {
+                // Allow bubbles to grow up to 70% of the available row width
+                val maxBubbleWidth = maxWidth * 0.7f
+
                 Column(
-                modifier = Modifier
-                    .weight(1f, fill = false)
-                    .widthIn(max = 280.dp),
                     horizontalAlignment = if (isAuthor) Alignment.End else Alignment.Start
                 ) {
                     // Message bubble
                     val isDark = isSystemInDarkTheme()
                     Box(
                         modifier = Modifier
-                        .width(IntrinsicSize.Min)
+                            // Max width: 70% of row, min width: content-driven
+                            .widthIn(max = maxBubbleWidth)
                             .clip(
                                 RoundedCornerShape(
                                     topStart = 20.dp,
@@ -243,6 +248,7 @@ fun MessageItem(
             }
         }
     }
+}
 
 @ExperimentalTime
 private fun formatTime(timestamp: String): String {