diff --git a/src/styles/theme.css b/src/styles/theme.css
index f40f6d8..e37678f 100644
--- a/src/styles/theme.css
+++ b/src/styles/theme.css
@@ -412,7 +412,9 @@ dialog::backdrop{background:rgba(16,24,40,.45);backdrop-filter:blur(4px)}
 .topbar{justify-content:flex-start}.topbar-right{margin-left:auto}
 .sidebar-help-icon{align-self:center;margin:auto 0 12px}
 @media(min-width:701px){
-  .sidebar-collapsed .sidebar{width:76px;padding-left:12px;padding-right:12px}
+  /* The rail lets the space menu spill past its edge, so the glow is clipped to the rail itself */
+  .sidebar-collapsed .sidebar{width:76px;padding-left:12px;padding-right:12px;overflow:visible}
+  .sidebar-collapsed .sidebar::before{clip-path:inset(140px 164px 0 120px)}
   .sidebar-collapsed .workspace-main{margin-left:76px;width:calc(100% - 76px)}
   .sidebar-collapsed .sidebar>a>.brand{margin:0 0 24px;justify-content:center}
   .sidebar-collapsed .sidebar .brand>span:last-child,