melhorando a leitura de projetos no mmpCreator

assets/css/creator.css

@@ -318,11 +318,21 @@ body.sidebar-hidden .sample-browser { width: 0; min-width: 0; border-right: none
 }
 /* CORREÇÃO CSS: Adicionado para garantir layout correto */
 .audio-tracks-wrapper {
-    flex: 1;
-    display: flex;
-    flex-direction: column;
-    position: relative;
-    overflow: hidden;
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  position: relative;
+  overflow: hidden;
+  position: relative;
+  overflow-x: auto;   /* barra horizontal */
+  overflow-y: auto;   /* se quiser rolar vertical com várias tracks */
+}
+
+/* Importantíssimo: esses caras precisam poder ficar mais largos que a tela */
+#audio-timeline-ruler,
+#audio-track-container{
+  position: relative;
+  min-width: 100%;    /* no mínimo ocupa a viewport */
 }
 
 #audio-track-container { flex-grow: 1; overflow: auto; }