diff --git a/frontend/src/index.css b/frontend/src/index.css
index ecee970..6225ce3 100644
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -86,6 +86,13 @@ html[data-theme="dark"] body {
     var(--bg);
   background-attachment: fixed;
 }
+/* Dark glass reads faint because the blurred backdrop is itself dark; lift its brightness so
+   the frosted sheen shows even over dark UI (over colourful content it just looks richer). */
+html[data-theme="dark"] .glass,
+html[data-theme="dark"] .glass-menu {
+  backdrop-filter: blur(30px) saturate(1.7) brightness(1.4);
+  -webkit-backdrop-filter: blur(30px) saturate(1.7) brightness(1.4);
+}
 
 /* Performance mode (Settings → Appearance) drops the expensive blur + soft shadows. */
 html[data-perf="1"] .glass,