styling, admin login logic improvements

app.js

@@ -126,11 +126,14 @@ function checkAdminAuth(req, res, next) {
   if (req.session.admin) {
     next();
   } else {
-    res.redirect('/admin', { error: null });
+    res.redirect('/admin');
   }
 }
 
 app.get('/admin', (req, res) => {
+  if (req.session.admin) {
+    return res.redirect('/admin/dashboard');
+  }
   res.render('admin-login', { currentPage: 'admin', error: null });
 });
 

public/css/main.css

@@ -48,6 +48,16 @@ h3 {
   text-align: center;
 }
 
+.lg-container {
+  background: #fff;
+  border-radius: 8px;
+  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
+  margin: auto;
+  max-width: 1500px;
+  padding: 2rem;
+  text-align: center;
+}
+
 .il {
   color: #555;
   display: block;

src/admin-dash.ejs

@@ -1,5 +1,5 @@
 <%- include('shards/header', { title: 'Admin Dashboard - p0ntus mail' }) %>
-<div class="container">
+<div class="lg-container">
   <%- include('shards/nav', { currentPage: 'admin' }) %>
   <i class="il mt-5">Dashboard</i>
   <hr>