Update app_gradio_messenger.py

app_gradio_messenger.py

@@ -362,11 +362,18 @@ body, .gradio-container {
   min-height: var(--messenger-compose-height);
   max-height: var(--messenger-compose-height);
   box-sizing: border-box;
+  display: grid;
+  grid-template-rows: auto minmax(0, 1fr);
   padding: 14px 16px 16px;
   border-top: 1px solid var(--messenger-line);
   overflow: hidden;
 }
 
+.chat-compose > .gr-column,
+.chat-compose > div {
+  min-height: 0;
+}
+
 .compose-status {
   margin-bottom: 10px;
   color: rgba(255, 239, 223, 0.82);
@@ -377,7 +384,9 @@ body, .gradio-container {
   display: grid;
   grid-template-columns: 1fr 112px;
   gap: 10px;
+  height: 100%;
   align-items: stretch;
+  align-content: center;
 }
 
 .compose-buttons {