ui tweak

js/src/features/network-root.tsx

@@ -49,7 +49,7 @@ export default function NetworkRoot() {
   return (
     <div className="relative flex min-h-0 flex-1 flex-col">
       {/* Top bar — stays in place */}
-      <div className="flex shrink-0 items-center justify-between px-3 pt-2 pb-1">
+      <div className="flex shrink-0 items-center justify-between px-3 pt-2 pb-1 border-b">
         <Tabs
           value={statusTab}
           onValueChange={(v) => setStatusTab(v as "open" | "closed")}
@@ -77,7 +77,7 @@ export default function NetworkRoot() {
       </div>
 
       {/* Scrollable content */}
-      <div className="min-h-0 flex-1 overflow-y-auto overscroll-contain pb-14">
+      <div className="min-h-0 flex-1 overflow-y-auto overscroll-contain pb-14 py-2">
         {viewMode === "list" ? (
           <ParticleListView streams={filteredStreams} networkId={networkId!} isLoading={isLoading} selectedIndex={selectedIndex} />
         ) : (