diff --git a/decnet_web/src/components/Dashboard.css b/decnet_web/src/components/Dashboard.css
index 9666b225..ddff5911 100644
--- a/decnet_web/src/components/Dashboard.css
+++ b/decnet_web/src/components/Dashboard.css
@@ -2,7 +2,7 @@
   display: flex;
   flex-direction: column;
   gap: 24px;
-  min-height: 100%;
+  height: 100%;
 }
 
 /* Page header */
diff --git a/decnet_web/src/components/Layout.css b/decnet_web/src/components/Layout.css
index 8b383814..a3146e22 100644
--- a/decnet_web/src/components/Layout.css
+++ b/decnet_web/src/components/Layout.css
@@ -346,3 +346,8 @@
   padding: 32px;
   overflow-y: auto;
 }
+
+/* Dashboard fills the viewport without scrolling — panels scroll internally */
+.content-viewport:has(> .dashboard) {
+  overflow: hidden;
+}