diff --git a/image-recipe/configs/archipelago-kiosk-launcher.sh b/image-recipe/configs/archipelago-kiosk-launcher.sh
index bbd27c90..682e271f 100644
--- a/image-recipe/configs/archipelago-kiosk-launcher.sh
+++ b/image-recipe/configs/archipelago-kiosk-launcher.sh
@@ -135,7 +135,7 @@ while true; do
       --disable-metrics \
       --disable-metrics-reporting \
       --disable-domain-reliability \
-      --js-flags="--max-old-space-size=128" \
+      --js-flags="--max-old-space-size=256" \
       --user-data-dir=/var/lib/archipelago/chromium-kiosk
     sleep 3
 done
diff --git a/neode-ui/src/views/OnboardingWrapper.vue b/neode-ui/src/views/OnboardingWrapper.vue
index 7f30d711..fce979de 100644
--- a/neode-ui/src/views/OnboardingWrapper.vue
+++ b/neode-ui/src/views/OnboardingWrapper.vue
@@ -682,5 +682,30 @@ video.bg-layer {
     transform: translateX(1px);
   }
 }
+
+/* Kiosk (software compositor): flatten THIS screen's background stack.
+   Same failure mode the dashboard kiosk fix addressed — perspective +
+   preserve-3d layers and mix-blend-mode overlays fail to repaint under
+   Chromium software compositing, so the black body fill shows through.
+   The dashboard-only overrides never reached this scoped stack, which is
+   why the kiosk login/onboarding background still went black. Keep 2D
+   opacity crossfades; drop 3D transforms, blur filters, and blend-mode
+   glitch overlays. */
+:global(html.kiosk-mode) .bg-perspective-container,
+:global(html.kiosk-mode) .perspective-container {
+  perspective: none !important;
+}
+:global(html.kiosk-mode) .bg-layer,
+:global(html.kiosk-mode) .view-wrapper {
+  transform: none !important;
+  transform-style: flat !important;
+  backface-visibility: visible !important;
+  will-change: auto !important;
+  filter: none !important;
+}
+:global(html.kiosk-mode) .login-glitch-layer,
+:global(html.kiosk-mode) .login-glitch-scan {
+  display: none !important;
+}
 </style>