diff --git a/.changeset/fn-8431-report-menu-background.md b/.changeset/fn-8431-report-menu-background.md
new file mode 100644
index 0000000000..80de4aac60
--- /dev/null
+++ b/.changeset/fn-8431-report-menu-background.md
@@ -0,0 +1,7 @@
+---
+"@runfusion/fusion": patch
+---
+
+summary: Give the Report menu an opaque background so page content no longer shows through.
+category: fix
+dev: Replace undefined --bg-elevated/--text-primary/--bg-hover and numeric space aliases in ReportActionMenu.css with defined --card/--text/--surface-hover/--space-* tokens (FN-6862 class of bug).
diff --git a/packages/dashboard/app/components/ReportActionMenu.css b/packages/dashboard/app/components/ReportActionMenu.css
index 0cb8d29f0a..8cabc98eb0 100644
--- a/packages/dashboard/app/components/ReportActionMenu.css
+++ b/packages/dashboard/app/components/ReportActionMenu.css
@@ -1,7 +1,41 @@
 .report-action-menu { position: relative; }
-.report-action-menu__list { z-index: var(--z-dropdown); display: grid; gap: var(--space-1); min-inline-size: var(--space-48); padding: var(--space-2); border-radius: var(--radius-md); background: var(--bg-elevated); box-shadow: var(--shadow-lg); }
+
+/*
+FNXC:ReportPipeline 2026-07-20-09:27:
+FN-8431 replaces undefined --bg-elevated, --text-primary, --bg-hover, and numeric
+spacing aliases left after FN-8406 portaled this menu. Like FN-6862's EngineControlMenu,
+the shared System and Settings portal needs the defined opaque --card surface so page
+content cannot show through its guided Report actions.
+*/
+.report-action-menu__list {
+  z-index: var(--z-dropdown);
+  display: grid;
+  gap: var(--space-xs);
+  min-inline-size: calc(var(--space-2xl) * 6);
+  padding: var(--space-sm);
+  border: 1px solid var(--border);
+  border-radius: var(--radius-md);
+  background: var(--card);
+  box-shadow: var(--shadow-lg);
+}
+
 .report-action-menu__list--portal { position: fixed; }
-.report-action-menu__item { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-3); border: 0; border-radius: var(--radius-sm); color: var(--text-primary); background: transparent; text-align: left; }
-.report-action-menu__item:hover, .report-action-menu__item:focus-visible { background: var(--bg-hover); }
+
+.report-action-menu__item {
+  display: flex;
+  align-items: center;
+  gap: var(--space-sm);
+  padding: var(--space-sm) var(--space-md);
+  border: 0;
+  border-radius: var(--radius-sm);
+  color: var(--text);
+  background: transparent;
+  text-align: left;
+}
+
+.report-action-menu__item:hover,
+.report-action-menu__item:focus-visible { background: var(--surface-hover); }
+
 .report-action-menu__item svg { inline-size: 1em; block-size: 1em; }
+
 @media (max-width: 768px) { .report-action-menu__list--portal { right: auto !important; } }
diff --git a/packages/dashboard/app/components/__tests__/ReportActionMenu.test.tsx b/packages/dashboard/app/components/__tests__/ReportActionMenu.test.tsx
index 88ba5730ca..5bde1352db 100644
--- a/packages/dashboard/app/components/__tests__/ReportActionMenu.test.tsx
+++ b/packages/dashboard/app/components/__tests__/ReportActionMenu.test.tsx
@@ -15,6 +15,23 @@ describe("ReportActionMenu", () => {
     expect(menuStyles).toMatch(/\.report-action-menu__list--portal\s*{[^}]*position:\s*fixed/s);
   });
 
+  it("uses defined opaque surface tokens for both shared render homes", () => {
+    const styles = readFileSync(join(process.cwd(), "app/styles.css"), "utf8");
+    const menuStyles = readFileSync(join(process.cwd(), "app/components/ReportActionMenu.css"), "utf8");
+
+    for (const token of ["card", "border", "text", "surface-hover", "space-xs", "space-sm", "space-md", "space-2xl"]) {
+      expect(styles).toMatch(new RegExp(`--${token}:\\s*[^;]+;`));
+    }
+    expect(menuStyles).toMatch(/\.report-action-menu__list\s*{[^}]*background:\s*var\(--card\)/s);
+    expect(menuStyles).toMatch(/\.report-action-menu__list\s*{[^}]*border:\s*1px solid var\(--border\)/s);
+    expect(menuStyles).toMatch(/\.report-action-menu__item\s*{[^}]*color:\s*var\(--text\)/s);
+    expect(menuStyles).toMatch(/\.report-action-menu__item:hover,\s*\.report-action-menu__item:focus-visible\s*{[^}]*background:\s*var\(--surface-hover\)/s);
+
+    for (const undefinedToken of ["bg-elevated", "text-primary", "bg-hover", "space-1", "space-2", "space-3", "space-48"]) {
+      expect(menuStyles).not.toMatch(new RegExp(`var\\(--${undefinedToken}\\)`));
+    }
+  });
+
   it("exposes all four guided actions without empty controls", () => {
     const onSelect = vi.fn();
     render(<ReportActionMenu onSelect={onSelect} />);