diff --git a/chat_window.php b/chat_window.php
index d3cf7cf..8e8cc1f 100644
--- a/chat_window.php
+++ b/chat_window.php
@@ -29,6 +29,7 @@ if (empty($user_id)) {
             background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
             min-height: 100vh;
             font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+            font-size: 0.95rem; /* Igual que el resto de la app (base reducida) */
         }
         
         .chat-container {