feat: handle multiple root / orphan nodes
diff --git a/erpnext/public/scss/hierarchy_chart.scss b/erpnext/public/scss/hierarchy_chart.scss
index a54bf6f..dd523c3 100644
--- a/erpnext/public/scss/hierarchy_chart.scss
+++ b/erpnext/public/scss/hierarchy_chart.scss
@@ -246,6 +246,10 @@
 	margin-top: 16px;
 }
 
+.root-level .node-card {
+	margin: 0 0 16px;
+}
+
 // node group
 
 .collapsed-level {