feat: add Footer component with navigation links

thoughts-frontend/app/layout.tsx

@@ -6,6 +6,7 @@ import { Header } from "@/components/header";
 import localFont from "next/font/local";
 import Image from "next/image";
 import InstallPrompt from "@/components/install-prompt";
+import { Footer } from "@/components/footer";
 
 export const metadata: Metadata = {
   title: {
@@ -64,8 +65,11 @@ export default function RootLayout({
           />
         </div>
         <AuthProvider>
+          <div className="flex flex-col min-h-screen">
             <Header />
             <main className="flex-1">{children}</main>
+            <Footer />
+          </div>
           <InstallPrompt />
           <Toaster />
         </AuthProvider>

thoughts-frontend/components/footer.tsx

@@ -0,0 +1,80 @@
+import Link from "next/link";
+import {
+  BookOpen,
+  Code2,
+  Fingerprint,
+  Globe,
+  Info,
+} from "lucide-react";
+
+const API_URL = process.env.NEXT_PUBLIC_API_URL ?? "";
+
+const LINKS = [
+  {
+    href: `${API_URL}/docs`,
+    label: "API Reference",
+    icon: BookOpen,
+    external: true,
+  },
+  {
+    href: `${API_URL}/.well-known/nodeinfo`,
+    label: "NodeInfo",
+    icon: Info,
+    external: true,
+  },
+  {
+    href: `${API_URL}/.well-known/webfinger`,
+    label: "WebFinger",
+    icon: Fingerprint,
+    external: true,
+  },
+  {
+    href: "/about/fediverse",
+    label: "About the Fediverse",
+    icon: Globe,
+    external: false,
+  },
+  {
+    href: "https://git.gabrielkaszewski.dev/GKaszewski/thoughts",
+    label: "Source Code",
+    icon: Code2,
+    external: true,
+  },
+] as const;
+
+export function Footer() {
+  return (
+    <footer className="relative flex justify-center w-full border-t border-white/20 bg-background/80 backdrop-blur-lg shadow-fa-sm mt-auto">
+      {/* Gloss highlight strip */}
+      <div
+        className="absolute inset-x-0 top-0 h-px bg-gradient-to-r from-transparent via-white/40 to-transparent"
+        aria-hidden
+      />
+
+      <div className="container flex flex-wrap items-center justify-center gap-x-1 gap-y-2 px-4 py-3">
+        {LINKS.map(({ href, label, icon: Icon }, i) => (
+          <span key={href} className="flex items-center gap-1">
+            {i > 0 && (
+              <span className="text-muted-foreground/40 select-none text-xs mx-1">
+                ·
+              </span>
+            )}
+            <Link
+              href={href}
+              {...(href.startsWith("http") || href.startsWith(API_URL)
+                ? { target: "_blank", rel: "noopener noreferrer" }
+                : {})}
+              className="flex items-center gap-1 text-xs text-muted-foreground hover:text-primary transition-colors duration-150 group"
+            >
+              <Icon
+                size={11}
+                className="shrink-0 opacity-60 group-hover:opacity-100 transition-opacity"
+              />
+              <span>{label}</span>
+            </Link>
+          </span>
+        ))}
+      </div>
+    </footer>
+  );
+}