Update app.py

app.py

@@ -117,12 +117,12 @@ h1 {
 
 /* ---------- Messages ---------- */
 .message {
-  max-width: 72%;
-  padding: 8px 10px;
-  border-radius: 10px;
-  margin-bottom: 9px;
+  max-width: 85%;
+  padding: 10px 12px;
+  border-radius: 12px;
+  margin-bottom: 12px;
   line-height: 1.3;
-  font-size: 14px;
+  font-size: 15px;
 
   white-space: normal !important;
   word-break: keep-all !important;