diff --git a/public/css/app.css b/public/css/app.css
index b3e3641..b5e236c 100644
--- a/public/css/app.css
+++ b/public/css/app.css
@@ -167,6 +167,14 @@ footer {
   }
 
   /* Admin: compact "sub tabs" used inside panels */
+  .admin-subtabs {
+    gap: 0.5rem;
+  }
+
+  .admin-subtabs .nav-item {
+    margin: 0;
+  }
+
   .admin-subtabs.nav-pills .nav-link {
     border: 1px solid rgba(0, 0, 0, 0.12);
     background: #fff;