Hide admin panel when unauthenticated

wwwroot/app.js

@@ -31,6 +31,10 @@ function setAuthUI(isAuthed) {
   if (authCard) authCard.classList.toggle("hidden", isAuthed);
   const adminToggle = $("admin-toggle");
   if (adminToggle) adminToggle.classList.toggle("hidden", !isAuthed || !state.me?.isAdmin);
+  if (!isAuthed) {
+    const adminCard = $("admin-card");
+    if (adminCard) adminCard.classList.add("hidden");
+  }
 }
 
 function setAuthMode(mode) {
@@ -51,6 +55,8 @@ function clearUserState() {
   state.allSuggestions = [];
   state.myVotes = [];
   state.results = [];
+  const adminCard = $("admin-card");
+  if (adminCard) adminCard.classList.add("hidden");
 }
 
 function handleAuthError(err) {