diff --git a/packages/react/src/MainLayout.tsx b/packages/react/src/MainLayout.tsx
new file mode 100644
index 0000000..3d32f0f
--- /dev/null
+++ b/packages/react/src/MainLayout.tsx
@@ -0,0 +1,107 @@
+import { useState } from "react";
+import { Link, Outlet, useLocation } from "react-router-dom";
+import { Button } from "../components/Button";
+
+type Theme = "light" | "dark";
+
+function ThemeButton() {
+  const [theme, _setTheme] = useState<Theme>("light");
+  function setTheme(t: Theme) {
+    _setTheme(t);
+    document.documentElement.classList.toggle("dark", t === "dark");
+  }
+
+  return (
+    <Button
+      preset="ghost"
+      size="icon"
+      onClick={() => setTheme(theme === "light" ? "dark" : "light")}
+    >
+      {/* material-symbols:light-mode */}
+      <svg
+        xmlns="http://www.w3.org/2000/svg"
+        width="1.2em"
+        height="1.2em"
+        viewBox="0 0 24 24"
+        className="dark:hidden"
+      >
+        <path
+          fill="currentColor"
+          d="M12 17q-2.075 0-3.537-1.463T7 12t1.463-3.537T12 7t3.538 1.463T17 12t-1.463 3.538T12 17m-7-4H1v-2h4zm18 0h-4v-2h4zM11 5V1h2v4zm0 18v-4h2v4zM6.4 7.75L3.875 5.325L5.3 3.85l2.4 2.5zm12.3 12.4l-2.425-2.525L17.6 16.25l2.525 2.425zM16.25 6.4l2.425-2.525L20.15 5.3l-2.5 2.4zM3.85 18.7l2.525-2.425L7.75 17.6l-2.425 2.525z"
+        />
+      </svg>
+      {/* material-symbols:dark-mode */}
+      <svg
+        xmlns="http://www.w3.org/2000/svg"
+        width="1.2em"
+        height="1.2em"
+        viewBox="0 0 24 24"
+        className="hidden dark:block"
+      >
+        <path
+          fill="currentColor"
+          d="M12 21q-3.75 0-6.375-2.625T3 12t2.625-6.375T12 3q.35 0 .688.025t.662.075q-1.025.725-1.638 1.888T11.1 7.5q0 2.25 1.575 3.825T16.5 12.9q1.375 0 2.525-.613T20.9 10.65q.05.325.075.662T21 12q0 3.75-2.625 6.375T12 21"
+        />
+      </svg>
+    </Button>
+  );
+}
+
+function TopNav() {
+  const location = useLocation();
+
+  return (
+    <>
+      <nav className="bg-transparent backdrop-blur-lg border-b border-neutral-200 dark:border-neutral-800 w-full max-w-screen px-2 flex flex-row justify-center items-center h-16">
+        <div
+          data-role="wrapper"
+          className="flex flex-row items-center justify-between w-full max-w-6xl text-lg"
+        >
+          <div data-role="links" className="flex flex-row items-center gap-3">
+            <Link to="/" className="font-bold">
+              PSW/UI
+            </Link>
+            <Link
+              to="/docs"
+              data-active={
+                location.pathname.startsWith("/docs") &&
+                !location.pathname.startsWith("/docs/components")
+              }
+              className="font-light text-base data-[active=true]:text-current text-neutral-500 hover:text-neutral-700"
+            >
+              Docs
+            </Link>
+            <Link
+              to="/docs/components"
+              data-active={location.pathname.startsWith("/docs/components")}
+              className="font-light text-base data-[active=true]:text-current text-neutral-500 hover:text-neutral-700"
+            >
+              Components
+            </Link>
+            <Link
+              data-comment="external"
+              to="/github"
+              className="font-light text-base text-neutral-500 hover:text-neutral-700"
+            >
+              Github
+            </Link>
+          </div>
+          <div data-role="controls" className="flex flex-row items-center">
+            <ThemeButton />
+          </div>
+        </div>
+      </nav>
+    </>
+  );
+}
+
+function MainLayout() {
+  return (
+    <>
+      <TopNav />
+      <Outlet />
+    </>
+  );
+}
+
+export default MainLayout;
diff --git a/packages/react/src/SideNav.tsx b/packages/react/src/SideNav.tsx
deleted file mode 100644
index fabce30..0000000
--- a/packages/react/src/SideNav.tsx
+++ /dev/null
@@ -1,5 +0,0 @@
-function SideNav() {
-  return <></>;
-}
-
-export default SideNav;