Created admin login UI component

js/src/app/router/guards/RequireAuth.tsx

@@ -5,7 +5,7 @@ import { Navigate, Outlet } from "react-router-dom";
 /**
  * Route guard: render the nested routes only for an authenticated user.
  * While the session is loading, show a spinner; if there is no session, redirect
- * to the public home (no /login page exists yet).
+ * to the public home.
  */
 export function RequireAuth() {
   const { data: session, isPending } = useSession();

js/src/app/router/router.tsx

@@ -3,12 +3,17 @@ import { AppLayout } from "@/app/layouts/AppLayout";
 import { PublicLayout } from "@/app/layouts/PublicLayout";
 import { RequireAdmin } from "@/app/router/guards/RequireAdmin";
 import { RequireAuth } from "@/app/router/guards/RequireAuth";
+import AdminPage from "@/features/admin/Admin.page";
+import AdminLoginPage from "@/features/admin/AdminLogin.page";
 import HomePage from "@/features/home/Home.page";
 import SamplePage from "@/features/sample/Sample.page";
 import SampleAdminPage from "@/features/sample/SampleAdmin.page";
 import { createBrowserRouter } from "react-router-dom";
 
 export const router = createBrowserRouter([
+  // Public admin login: its page owns the full viewport.
+  { path: "admin/login", element: <AdminLoginPage /> },
+
   // Public: no guard, public chrome.
   {
     element: <PublicLayout />,
@@ -28,7 +33,10 @@ export const router = createBrowserRouter([
         children: [
           {
             element: <AdminLayout />,
-            children: [{ path: "sample/admin", element: <SampleAdminPage /> }],
+            children: [
+              { path: "admin", element: <AdminPage /> },
+              { path: "sample/admin", element: <SampleAdminPage /> },
+            ],
           },
         ],
       },

js/src/features/admin/Admin.page.tsx

@@ -0,0 +1,10 @@
+import { Stack, Text, Title } from "@mantine/core";
+
+export default function AdminPage() {
+  return (
+    <Stack>
+      <Title order={2}>Admin home</Title>
+      <Text>Manage PatChats administrative workflows from here.</Text>
+    </Stack>
+  );
+}

js/src/features/admin/AdminLogin.page.tsx

@@ -0,0 +1,85 @@
+import {
+  Box,
+  Button,
+  Flex,
+  PasswordInput,
+  Stack,
+  TextInput,
+  Title,
+} from "@mantine/core";
+import { useState, type FormEvent } from "react";
+
+export default function AdminLoginPage() {
+  const [email, setEmail] = useState("");
+  const [password, setPassword] = useState("");
+
+  const [errors, setErrors] = useState({
+    email: "",
+    password: "",
+  });
+
+  const handleSubmit = (event: FormEvent<HTMLFormElement>) => {
+    event.preventDefault();
+
+    const newErrors = {
+      email: "",
+      password: "",
+    };
+
+    if (!email.trim()) {
+      newErrors.email = "Email is required";
+    }
+
+    if (!password.trim()) {
+      newErrors.password = "Password is required";
+    }
+
+    setErrors(newErrors);
+
+    if (newErrors.email || newErrors.password) {
+      return;
+    }
+
+    // Login handler is not in scope for this ticket.
+    console.log("Admin login submitted", { email, password });
+  };
+
+  return (
+    <Flex direction="column" mih="100vh" p="xl">
+      <Flex align="center" component="header" gap="md">
+        <Box bd="1px solid var(--mantine-color-default-border)" h={56} w={56} />
+        <Title order={1} size="h3">
+          PatChats
+        </Title>
+      </Flex>
+      <Flex align="flex-start" flex={1} justify="center" pt={160}>
+        <Box component="form" maw={280} onSubmit={handleSubmit} w="100%">
+          <Stack gap="md">
+            <Title order={2} size="h4" ta="center">
+              Admin Log in
+            </Title>
+            <TextInput
+              error={errors.email}
+              onChange={(event) => setEmail(event.currentTarget.value)}
+              placeholder="Admin email"
+              radius="md"
+              size="sm"
+              value={email}
+            />
+            <PasswordInput
+              error={errors.password}
+              onChange={(event) => setPassword(event.currentTarget.value)}
+              placeholder="Password"
+              radius="md"
+              size="sm"
+              value={password}
+            />
+            <Button fullWidth radius="md" size="sm" type="submit">
+              Admin Log in
+            </Button>
+          </Stack>
+        </Box>
+      </Flex>
+    </Flex>
+  );
+}