as

public/assets/css/app.css

@@ -91,7 +91,7 @@ body {
 .dropdown-toggle { background: transparent; }
 .dropdown-menu {
   position: absolute;
-  top: 110%;
+  top: 100%;
   right: 0;
   min-width: 220px;
   background: var(--panel);
@@ -101,6 +101,15 @@ body {
   padding: 8px;
   display: none;
   z-index: 30;
+  margin-top: 6px;
+}
+.dropdown-menu::before {
+  content: "";
+  position: absolute;
+  top: -8px;
+  left: 0;
+  right: 0;
+  height: 8px;
 }
 .dropdown-menu-right { right: 0; left: auto; }
 .dropdown:hover .dropdown-menu,
@@ -198,6 +207,21 @@ body {
   grid-template-columns: 260px 1fr;
 }
 
+.layout-body.no-sidebar {
+  grid-template-columns: 1fr;
+  gap: 20px;
+}
+
+.main-content {
+  width: 100%;
+}
+
+.sidebar,
+.sidebar-toggle,
+.sidebar-fab {
+  display: none !important;
+}
+
 .console-fab {
   position: fixed;
   bottom: 18px;