diff --git a/index.html b/index.html
index c4cad8b..6799b12 100644
--- a/index.html
+++ b/index.html
@@ -19,6 +19,7 @@
 <script type="module" src="/src/main.js"></script>
 </head>
 <body>
+<script>(function(){try{if(localStorage.getItem('ns_cfg'))document.documentElement.classList.add('ns-authed');}catch(e){}})()</script>
 
 <!-- ─── SETUP ─── -->
 <div id="setup-screen">
diff --git a/styles.css b/styles.css
index f19ca7a..2c504a3 100644
--- a/styles.css
+++ b/styles.css
@@ -18,6 +18,7 @@ html,body{height:100%;font-family:var(--font);background:var(--bg);color:var(--t
 ::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--surface2);border-radius:2px}
 
 /* ── SETUP ── */
+html.ns-authed #setup-screen{display:none}
 #setup-screen{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;background:var(--bg);background-image:radial-gradient(ellipse 60% 50% at 30% 50%,rgba(232,160,32,.08) 0%,transparent 70%),radial-gradient(ellipse 40% 60% at 80% 30%,rgba(80,60,160,.1) 0%,transparent 70%)}
 .setup-card{width:min(420px,calc(100vw - 32px));background:var(--surface);border:1px solid var(--border2);border-radius:20px;padding:40px 36px;box-shadow:0 40px 80px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.04)}
 .setup-logo{display:flex;align-items:center;gap:12px;margin-bottom:28px}