diff --git a/src/web/public/styles.css b/src/web/public/styles.css
index 483b5a36..8ad2146f 100644
--- a/src/web/public/styles.css
+++ b/src/web/public/styles.css
@@ -48,6 +48,8 @@ body {
   background: var(--bg-card);
   border-bottom: 1px solid var(--border);
   flex-shrink: 0;
+  position: relative;
+  z-index: 100; /* Above main content so dropdowns work */
 }
 
 .header-brand {