diff --git a/Views/Display/NotFound.cshtml b/Views/Display/NotFound.cshtml
new file mode 100644
index 0000000..e757cd1
--- /dev/null
+++ b/Views/Display/NotFound.cshtml
@@ -0,0 +1,28 @@
+@model List<Device>
+@{ Layout = null; }
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>Device Not Found — Sunbeam</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet" />
+    <style>
+        body { background: #0f0f1a; color: #e0e0e0; min-height: 100vh; display: flex; align-items: center; justify-content: center; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
+        .container { text-align: center; max-width: 500px; }
+        h1 { font-size: 2.5em; margin-bottom: 0.3em; }
+        .device-list a { display: block; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; padding: 1em; margin: 0.5em 0; color: #7eb8ff; text-decoration: none; transition: all 0.2s; }
+        .device-list a:hover { background: rgba(255,255,255,0.1); transform: translateX(4px); }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <h1>Meow?</h1>
+        <p class="text-muted mb-4">No kitten found at this address.</p>
+        @if (Model.Any()) {
+            <h5 class="mb-3">Available Kittens:</h5>
+            <div class="device-list">@foreach (var d in Model) { <a href="/@d.Slug"><strong>@d.Name</strong><br /><code>/@d.Slug</code></a> }</div>
+        } else { <p>No devices configured yet.</p> }
+        <p class="mt-4"><a href="/admin" class="btn btn-outline-light btn-sm">Go to Admin</a></p>
+    </div>
+</body>
+</html>
