diff --git a/services/frontend/src/app/globals.css b/services/frontend/src/app/globals.css
index e325adf5..7baaa57a 100644
--- a/services/frontend/src/app/globals.css
+++ b/services/frontend/src/app/globals.css
@@ -77,6 +77,11 @@
   background: var(--color-signal-glow);
   color: var(--color-ink);
 }
+/* Constellation stage: soften glow layers so stars stay legible on pale sky */
+.light .glass-glow,
+.light [class*="shadow-[0_0"] {
+  --tw-shadow-color: oklch(0.5 0.1 150 / 0.18);
+}
 
 @layer base {
   * {