diff --git a/dashboard/15-final/app/dashboard/customers/page.tsx b/dashboard/15-final/app/dashboard/customers/page.tsx
new file mode 100644
index 0000000..ff5a46d
--- /dev/null
+++ b/dashboard/15-final/app/dashboard/customers/page.tsx
@@ -0,0 +1,3 @@
+export default function Page() {
+  return <div>List of customers</div>
+}
diff --git a/dashboard/15-final/app/dashboard/invoices/[id]/edit/page.tsx b/dashboard/15-final/app/dashboard/invoices/[id]/edit/page.tsx
new file mode 100644
index 0000000..0d2c74b
--- /dev/null
+++ b/dashboard/15-final/app/dashboard/invoices/[id]/edit/page.tsx
@@ -0,0 +1,3 @@
+export default function Page() {
+  return <div>Edit Invoice Page</div>
+}
diff --git a/dashboard/15-final/app/dashboard/invoices/[id]/page.tsx b/dashboard/15-final/app/dashboard/invoices/[id]/page.tsx
new file mode 100644
index 0000000..188d95c
--- /dev/null
+++ b/dashboard/15-final/app/dashboard/invoices/[id]/page.tsx
@@ -0,0 +1,3 @@
+export default function Page() {
+  return <div>Individual Invoice Page</div>
+}
diff --git a/dashboard/15-final/app/dashboard/invoices/create/page.tsx b/dashboard/15-final/app/dashboard/invoices/create/page.tsx
new file mode 100644
index 0000000..0a5fb42
--- /dev/null
+++ b/dashboard/15-final/app/dashboard/invoices/create/page.tsx
@@ -0,0 +1,3 @@
+export default function Page() {
+  return <div>Create new invoice page</div>
+}
diff --git a/dashboard/15-final/app/dashboard/invoices/page.tsx b/dashboard/15-final/app/dashboard/invoices/page.tsx
new file mode 100644
index 0000000..403df46
--- /dev/null
+++ b/dashboard/15-final/app/dashboard/invoices/page.tsx
@@ -0,0 +1,3 @@
+export default function Page() {
+  return <div>List of invoices</div>
+}
diff --git a/dashboard/15-final/app/dashboard/layout.tsx b/dashboard/15-final/app/dashboard/layout.tsx
new file mode 100644
index 0000000..97101a6
--- /dev/null
+++ b/dashboard/15-final/app/dashboard/layout.tsx
@@ -0,0 +1,8 @@
+export default function Layout({ children }: { children: React.ReactNode }) {
+  return (
+    <div>
+      <div>Dashboard layout</div>
+      <div>{children}</div>
+    </div>
+  )
+}
diff --git a/dashboard/15-final/app/dashboard/page.tsx b/dashboard/15-final/app/dashboard/page.tsx
new file mode 100644
index 0000000..3f609d4
--- /dev/null
+++ b/dashboard/15-final/app/dashboard/page.tsx
@@ -0,0 +1,3 @@
+export default function Page() {
+  return <div>Dashboard Overview</div>
+}
diff --git a/dashboard/15-final/app/globals.css b/dashboard/15-final/app/globals.css
index fd81e88..b5c61c9 100644
--- a/dashboard/15-final/app/globals.css
+++ b/dashboard/15-final/app/globals.css
@@ -1,27 +1,3 @@
 @tailwind base;
 @tailwind components;
 @tailwind utilities;
-
-:root {
-  --foreground-rgb: 0, 0, 0;
-  --background-start-rgb: 214, 219, 220;
-  --background-end-rgb: 255, 255, 255;
-}
-
-@media (prefers-color-scheme: dark) {
-  :root {
-    --foreground-rgb: 255, 255, 255;
-    --background-start-rgb: 0, 0, 0;
-    --background-end-rgb: 0, 0, 0;
-  }
-}
-
-body {
-  color: rgb(var(--foreground-rgb));
-  background: linear-gradient(
-      to bottom,
-      transparent,
-      rgb(var(--background-end-rgb))
-    )
-    rgb(var(--background-start-rgb));
-}
diff --git a/dashboard/15-final/app/lib/definitions.tsx b/dashboard/15-final/app/lib/definitions.tsx
new file mode 100644
index 0000000..5618fff
--- /dev/null
+++ b/dashboard/15-final/app/lib/definitions.tsx
@@ -0,0 +1,23 @@
+// This file contains type definitions for you data.
+// These describe the shape of the data, and what data type each property should accept.
+
+export type User = {
+  id: number
+  name: string
+  email: string
+  password: string
+}
+
+export type Customer = {
+  id: number
+  name: string
+  email: string
+}
+
+export type Invoice = {
+  id: number
+  customerId: number
+  amount: number
+  status: "pending" | "paid" // In TypeScript, this is called a string union type.
+  // It means that the "status" property can only be one of the two strings.
+}
diff --git a/dashboard/15-final/app/lib/dummy-data.tsx b/dashboard/15-final/app/lib/dummy-data.tsx
new file mode 100644
index 0000000..d2a331d
--- /dev/null
+++ b/dashboard/15-final/app/lib/dummy-data.tsx
@@ -0,0 +1,61 @@
+import { User, Customer, Invoice } from "./definitions"
+
+// This file contains dummy data that you'll be replacing with real data in Chapter 7.
+export const users: User[] = [
+  {
+    id: 1,
+    name: "User",
+    email: "user@nextmail.com",
+    password: "123456",
+  },
+]
+
+export const customers: Customer[] = [
+  {
+    id: 1,
+    name: "Lee",
+    email: "lee@nextmail.com",
+  },
+  {
+    id: 2,
+    name: "Michael",
+    email: "michael@nextmail.com",
+  },
+  {
+    id: 3,
+    name: "Steph",
+    email: "steph@nextmail.com",
+  },
+  {
+    id: 4,
+    name: "Delba",
+    email: "delba@nextmail.com",
+  },
+]
+
+export const invoices: Invoice[] = [
+  {
+    id: 1,
+    customerId: 1,
+    amount: 10000,
+    status: "pending",
+  },
+  {
+    id: 2,
+    customerId: 2,
+    amount: 20000,
+    status: "pending",
+  },
+  {
+    id: 3,
+    customerId: 3,
+    amount: 30000,
+    status: "paid",
+  },
+  {
+    id: 4,
+    customerId: 4,
+    amount: 40000,
+    status: "paid",
+  },
+]
diff --git a/dashboard/15-final/app/login/page.tsx b/dashboard/15-final/app/login/page.tsx
new file mode 100644
index 0000000..e65cbe6
--- /dev/null
+++ b/dashboard/15-final/app/login/page.tsx
@@ -0,0 +1,7 @@
+export default function Page() {
+  return (
+    <div>
+      <div>Replace with login-form.tsx</div>
+    </div>
+  )
+}
diff --git a/dashboard/15-final/app/page.tsx b/dashboard/15-final/app/page.tsx
index 08930a9..5de4f25 100644
--- a/dashboard/15-final/app/page.tsx
+++ b/dashboard/15-final/app/page.tsx
@@ -1,113 +1,11 @@
-import Image from "next/image"
-
-export default function Home() {
+export default function Page() {
   return (
-    <main className="flex min-h-screen flex-col items-center justify-between p-24">
-      <div className="z-10 max-w-5xl w-full items-center justify-between font-mono text-sm lg:flex">
-        <p className="fixed left-0 top-0 flex w-full justify-center border-b border-gray-300 bg-gradient-to-b from-zinc-200 pb-6 pt-8 backdrop-blur-2xl dark:border-neutral-800 dark:bg-zinc-800/30 dark:from-inherit lg:static lg:w-auto  lg:rounded-xl lg:border lg:bg-gray-200 lg:p-4 lg:dark:bg-zinc-800/30">
-          Get started by editing&nbsp;
-          <code className="font-mono font-bold">app/page.tsx</code>
-        </p>
-        <div className="fixed bottom-0 left-0 flex h-48 w-full items-end justify-center bg-gradient-to-t from-white via-white dark:from-black dark:via-black lg:static lg:h-auto lg:w-auto lg:bg-none">
-          <a
-            className="pointer-events-none flex place-items-center gap-2 p-8 lg:pointer-events-auto lg:p-0"
-            href="https://vercel.com?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            By{" "}
-            <Image
-              src="/vercel.svg"
-              alt="Vercel Logo"
-              className="dark:invert"
-              width={100}
-              height={24}
-              priority
-            />
-          </a>
-        </div>
+    <div>
+      <div>
+        Landing page. Login button should be in content to avoid root layouts
+        and route groups complexity.
+        <button>Login</button>
       </div>
-
-      <div className="relative flex place-items-center before:absolute before:h-[300px] before:w-[480px] before:-translate-x-1/2 before:rounded-full before:bg-gradient-radial before:from-white before:to-transparent before:blur-2xl before:content-[''] after:absolute after:-z-20 after:h-[180px] after:w-[240px] after:translate-x-1/3 after:bg-gradient-conic after:from-sky-200 after:via-blue-200 after:blur-2xl after:content-[''] before:dark:bg-gradient-to-br before:dark:from-transparent before:dark:to-blue-700 before:dark:opacity-10 after:dark:from-sky-900 after:dark:via-[#0141ff] after:dark:opacity-40 before:lg:h-[360px] z-[-1]">
-        <Image
-          className="relative dark:drop-shadow-[0_0_0.3rem_#ffffff70] dark:invert"
-          src="/next.svg"
-          alt="Next.js Logo"
-          width={180}
-          height={37}
-          priority
-        />
-      </div>
-
-      <div className="mb-32 grid text-center lg:max-w-5xl lg:w-full lg:mb-0 lg:grid-cols-4 lg:text-left">
-        <a
-          href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
-          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <h2 className={`mb-3 text-2xl font-semibold`}>
-            Docs{" "}
-            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
-              -&gt;
-            </span>
-          </h2>
-          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
-            Find in-depth information about Next.js features and API.
-          </p>
-        </a>
-
-        <a
-          href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <h2 className={`mb-3 text-2xl font-semibold`}>
-            Learn{" "}
-            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
-              -&gt;
-            </span>
-          </h2>
-          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
-            Learn about Next.js in an interactive course with&nbsp;quizzes!
-          </p>
-        </a>
-
-        <a
-          href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
-          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <h2 className={`mb-3 text-2xl font-semibold`}>
-            Templates{" "}
-            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
-              -&gt;
-            </span>
-          </h2>
-          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
-            Explore the Next.js 13 playground.
-          </p>
-        </a>
-
-        <a
-          href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template&utm_campaign=create-next-app"
-          className="group rounded-lg border border-transparent px-5 py-4 transition-colors hover:border-gray-300 hover:bg-gray-100 hover:dark:border-neutral-700 hover:dark:bg-neutral-800/30"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          <h2 className={`mb-3 text-2xl font-semibold`}>
-            Deploy{" "}
-            <span className="inline-block transition-transform group-hover:translate-x-1 motion-reduce:transform-none">
-              -&gt;
-            </span>
-          </h2>
-          <p className={`m-0 max-w-[30ch] text-sm opacity-50`}>
-            Instantly deploy your Next.js site to a shareable URL with Vercel.
-          </p>
-        </a>
-      </div>
-    </main>
+    </div>
   )
 }