FINISHED

src/pages/login.astro

@@ -1,9 +1,18 @@
 ---
 import Layout from '../layouts/Layout.astro';
+import { Icon } from 'astro-icon/components';
 
 if (Astro.locals.user) {
   return Astro.redirect('/dashboard');
 }
+
+const error = Astro.url.searchParams.get('error');
+const errorMessage =
+  error === 'invalid_credentials'
+    ? 'Invalid email or password'
+    : error === 'missing_fields'
+      ? 'Please fill in all fields'
+      : null;
 ---
 
 <Layout title="Login - Chronus">
@@ -14,6 +23,13 @@ if (Astro.locals.user) {
         <h2 class="text-3xl font-bold text-center mb-2">Welcome Back</h2>
         <p class="text-center text-base-content/60 mb-6">Sign in to continue to Chronus</p>
 
+        {errorMessage && (
+          <div role="alert" class="alert alert-error mb-4">
+            <Icon name="heroicons:exclamation-circle" class="w-6 h-6" />
+            <span>{errorMessage}</span>
+          </div>
+        )}
+
         <form action="/api/auth/login" method="POST" class="space-y-4">
           <label class="form-control">
             <div class="label">