Update app.css

app.css

@@ -152,4 +152,14 @@ footer, .footer, div[class*="footer"], #footer {
 /* 전체 레이아웃 조정 */
 .ant-row {
     margin: 0 !important;
-}
+
+.session-drawer .chatbot {
+    height: calc(100vh - 200px);
+    overflow-y: auto;
+}
+.session-list {
+    margin-bottom: 1rem;
+}
+.close-btn {
+    margin-top: 1rem;
+}