diff --git a/app/components/Messages/Messages.tsx b/app/components/Messages/Messages.tsx
index 8ee6b21..e08df20 100644
--- a/app/components/Messages/Messages.tsx
+++ b/app/components/Messages/Messages.tsx
@@ -74,25 +74,25 @@ export function Messages() {
         return () => observer.disconnect();
     }, [messages.length, loading]);
 
-    // MutationObserver - отслеживаем изменения контента (загрузка картинок, видео)
     useEffect(() => {
-        if (!contentRef.current) return;
+        if (!contentRef.current || !viewportRef.current) return;
 
-        const observer = new MutationObserver(() => {
-            // Скроллим только если нужен авто-скролл
-            if (shouldAutoScrollRef.current) {
+        const contentEl = contentRef.current;
+        //const viewportEl = viewportRef.current;
+        let lastHeight = contentEl.scrollHeight;
+
+        const ro = new ResizeObserver(() => {
+            const newHeight = contentEl.scrollHeight;
+            const grew = newHeight > lastHeight;
+            lastHeight = newHeight;
+
+            if (grew && shouldAutoScrollRef.current) {
                 scrollToBottom(true);
             }
         });
 
-        observer.observe(contentRef.current, {
-            childList: true,
-            subtree: true,
-            attributes: true,
-            attributeFilter: ['src', 'style', 'class']
-        });
-
-        return () => observer.disconnect();
+        ro.observe(contentEl);
+        return () => ro.disconnect();
     }, [scrollToBottom]);
 
     // Первый рендер - скроллим вниз моментально