Navbar Update, UI Upgrade

src/app/auth/login/page.tsx

@@ -1,14 +1,15 @@
 'use client';
 
-import { useState } from 'react';
 import { signIn } from 'next-auth/react';
 import { useRouter } from 'next/navigation';
+import { useState } from 'react';
 
 export default function LoginPage() {
   const router = useRouter();
   const [email, setEmail] = useState('');
   const [password, setPassword] = useState('');
   const [error, setError] = useState('');
+  const [showPassword, setShowPassword] = useState(false);
 
   const handleSubmit = async (e: React.FormEvent) => {
     e.preventDefault();
@@ -27,30 +28,43 @@ export default function LoginPage() {
   };
 
   return (
-    <main className="max-w-md mx-auto p-8 bg-[var(--muted)] rounded-xl shadow space-y-6">
-      <h1 className="text-2xl font-bold text-[var(--primary)]">Login</h1>
-      <form onSubmit={handleSubmit} className="space-y-5">
-        <input
-          type="email"
-          placeholder="Email"
-          value={email}
-          required
-          onChange={(e) => setEmail(e.target.value)}
-          className="w-full border border-[var(--border)] px-4 py-3 rounded-lg bg-white focus:outline-none focus:ring-2 focus:ring-[var(--primary)]"
-        />
-        <input
-          type="password"
-          placeholder="Password"
-          value={password}
-          required
-          onChange={(e) => setPassword(e.target.value)}
-          className="w-full border border-[var(--border)] px-4 py-3 rounded-lg bg-white focus:outline-none focus:ring-2 focus:ring-[var(--primary)]"
-        />
-        <button type="submit" className="w-full bg-[var(--primary)] text-white py-3 rounded-lg font-semibold shadow hover:bg-blue-700 transition">
-          Sign In
-        </button>
-        {error && <p className="text-red-500 text-center">{error}</p>}
-      </form>
+    <main className="w-full flex justify-center bg-[var(--background)] px-4 md:px-0 pt-10">
+      <div className="w-full max-w-2xl flex flex-col items-center p-8 bg-[var(--muted)] rounded-2xl shadow space-y-6">
+        <h1 className="text-3xl font-bold text-[var(--primary)]">Login</h1>
+        <form onSubmit={handleSubmit} className="w-full flex flex-col gap-6 items-center">
+          <input
+            type="email"
+            placeholder="Email"
+            value={email}
+            required
+            onChange={(e) => setEmail(e.target.value)}
+            className="w-full max-w-2xl text-lg border border-[var(--border)] px-6 py-4 rounded-lg bg-white focus:outline-none focus:ring-2 focus:ring-[var(--primary)] text-gray-900 placeholder:text-gray-500"
+          />
+          <div className="relative w-full max-w-2xl">
+            <input
+              type={showPassword ? "text" : "password"}
+              placeholder="Password"
+              value={password}
+              required
+              onChange={(e) => setPassword(e.target.value)}
+              className="w-full text-lg border border-[var(--border)] px-6 py-4 rounded-lg bg-white focus:outline-none focus:ring-2 focus:ring-[var(--primary)] text-gray-900 placeholder:text-gray-500 pr-16"
+            />
+            <button
+              type="button"
+              onClick={() => setShowPassword((v) => !v)}
+              className="absolute right-4 top-1/2 -translate-y-1/2 text-base text-gray-500 hover:text-[var(--primary)] focus:outline-none"
+              tabIndex={-1}
+              aria-label={showPassword ? "Hide password" : "Show password"}
+            >
+              {showPassword ? "Hide" : "Show"}
+            </button>
+          </div>
+          <button type="submit" className="w-full max-w-2xl bg-[var(--primary)] text-white py-4 text-lg rounded-lg font-semibold shadow hover:bg-blue-700 hover:scale-105 hover:shadow-lg transition-all duration-200">
+            Sign In
+          </button>
+          {error && <p className="text-red-500 text-center w-full">{error}</p>}
+        </form>
+      </div>
     </main>
   );
 }

src/app/auth/register/page.tsx

@@ -8,6 +8,7 @@ export default function RegisterPage() {
   const [email, setEmail] = useState('');
   const [password, setPassword] = useState('');
   const [error, setError] = useState('');
+  const [showPassword, setShowPassword] = useState(false);
 
   const handleRegister = async (e: React.FormEvent) => {
     e.preventDefault();
@@ -25,30 +26,43 @@ export default function RegisterPage() {
   };
 
   return (
-    <main className="max-w-md mx-auto p-8 bg-[var(--muted)] rounded-xl shadow space-y-6">
-      <h1 className="text-2xl font-bold text-[var(--secondary)]">Register</h1>
-      <form onSubmit={handleRegister} className="space-y-5">
-        <input
-          type="email"
-          placeholder="Email"
-          value={email}
-          required
-          onChange={(e) => setEmail(e.target.value)}
-          className="w-full border border-[var(--border)] px-4 py-3 rounded-lg bg-white focus:outline-none focus:ring-2 focus:ring-[var(--secondary)]"
-        />
-        <input
-          type="password"
-          placeholder="Password"
-          value={password}
-          required
-          onChange={(e) => setPassword(e.target.value)}
-          className="w-full border border-[var(--border)] px-4 py-3 rounded-lg bg-white focus:outline-none focus:ring-2 focus:ring-[var(--secondary)]"
-        />
-        <button type="submit" className="w-full bg-[var(--secondary)] text-white py-3 rounded-lg font-semibold shadow hover:bg-green-700 transition">
-          Register
-        </button>
-        {error && <p className="text-red-500 text-center">{error}</p>}
-      </form>
+    <main className="w-full flex justify-center bg-[var(--background)] px-4 md:px-0 pt-10">
+      <div className="w-full max-w-2xl flex flex-col items-center p-8 bg-[var(--muted)] rounded-2xl shadow space-y-6">
+        <h1 className="text-3xl font-bold text-[var(--secondary)]">Register</h1>
+        <form onSubmit={handleRegister} className="w-full flex flex-col gap-6 items-center">
+          <input
+            type="email"
+            placeholder="Email"
+            value={email}
+            required
+            onChange={(e) => setEmail(e.target.value)}
+            className="w-full max-w-2xl text-lg border border-[var(--border)] px-6 py-4 rounded-lg bg-white focus:outline-none focus:ring-2 focus:ring-[var(--secondary)] text-gray-900 placeholder:text-gray-500"
+          />
+          <div className="relative w-full max-w-2xl">
+            <input
+              type={showPassword ? "text" : "password"}
+              placeholder="Password"
+              value={password}
+              required
+              onChange={(e) => setPassword(e.target.value)}
+              className="w-full text-lg border border-[var(--border)] px-6 py-4 rounded-lg bg-white focus:outline-none focus:ring-2 focus:ring-[var(--secondary)] text-gray-900 placeholder:text-gray-500 pr-16"
+            />
+            <button
+              type="button"
+              onClick={() => setShowPassword((v) => !v)}
+              className="absolute right-4 top-1/2 -translate-y-1/2 text-base text-gray-500 hover:text-[var(--secondary)] focus:outline-none"
+              tabIndex={-1}
+              aria-label={showPassword ? "Hide password" : "Show password"}
+            >
+              {showPassword ? "Hide" : "Show"}
+            </button>
+          </div>
+          <button type="submit" className="w-full max-w-2xl bg-[var(--secondary)] text-white py-4 text-lg rounded-lg font-semibold shadow hover:bg-green-700 hover:scale-105 hover:shadow-lg transition-all duration-200">
+            Register
+          </button>
+          {error && <p className="text-red-500 text-center w-full">{error}</p>}
+        </form>
+      </div>
     </main>
   );
 }

src/app/layout.tsx

@@ -1,7 +1,8 @@
 import type { Metadata } from "next";
 import { Geist, Geist_Mono } from "next/font/google";
 import "./globals.css";
-import Link from "next/link";
+import ClientNavbar from "../components/ClientNavbar";
+import Providers from "./providers";
 
 const geistSans = Geist({
   variable: "--font-geist-sans",
@@ -18,7 +19,7 @@ export const metadata: Metadata = {
   description: "Track your car's fuel and mileage easily.",
 };
 
-export default function RootLayout({
+export default async function RootLayout({
   children,
 }: Readonly<{
   children: React.ReactNode;
@@ -28,19 +29,15 @@ export default function RootLayout({
       <body
         className={`${geistSans.variable} ${geistMono.variable} antialiased bg-[var(--background)] text-[var(--foreground)]`}
       >
-        <header className="w-full px-6 py-4 flex items-center justify-between border-b border-[var(--border)] bg-[var(--muted)] shadow-sm">
-          <Link href="/dashboard" className="text-2xl font-bold tracking-tight text-[var(--primary)]">
-            🚗 Car Fuel Tracker
-          </Link>
-          <nav className="flex gap-4">
-            <Link href="/dashboard" className="hover:text-[var(--primary)] transition">Dashboard</Link>
-            <Link href="/dashboard/cars/new" className="hover:text-[var(--secondary)] transition">Add Car</Link>
-          </nav>
-        </header>
-        <div className="min-h-screen flex flex-col">
-          <div className="h-4" /> {/* Spacer between navbar and content */}
-          {children}
-        </div>
+        <Providers>
+          <header className="w-full px-6 py-4 border-b border-[var(--border)] bg-[var(--muted)]/80 backdrop-blur-md shadow-lg rounded-b-xl z-30 sticky top-0">
+            <ClientNavbar />
+          </header>
+          <div className="min-h-screen flex flex-col">
+            <div className="h-4" /> {/* Spacer between navbar and content */}
+            {children}
+          </div>
+        </Providers>
       </body>
     </html>
   );

src/app/page.tsx

@@ -1,48 +1,127 @@
 import Image from "next/image";
 import Link from "next/link";
+import { getSession } from "@/lib/auth";
+
+export default async function Home() {
+  const session = await getSession();
+  const isLoggedIn = !!session;
 
-export default function Home() {
   return (
     <div className="flex flex-col min-h-screen bg-[var(--background)] text-[var(--foreground)]">
+      {/* Hero Section */}
       <section className="flex-1 flex flex-col items-center justify-center gap-10 p-8 sm:p-20">
         <div className="flex flex-col items-center gap-4">
           <Image
-            className="dark:invert"
-            src="/next.svg"
-            alt="Next.js logo"
-            width={120}
-            height={30}
+            src="/Car_Dashboard.jpg"
+            alt="Car dashboard illustration"
+            width={480}
+            height={270}
+            className="mb-2 rounded-xl shadow max-w-full h-auto object-cover"
             priority
           />
-          <h1 className="text-4xl font-bold tracking-tight text-[var(--primary)] mb-2">
-            Welcome to Car Fuel Tracker
+          <h1 className="text-5xl font-extrabold tracking-tight text-[var(--primary)] mb-2 text-center">
+            {isLoggedIn ? "Welcome Back!" : "Track Your Car’s Fuel & Mileage"}
           </h1>
-          <p className="text-lg text-gray-500 max-w-xl text-center">
-            Track your car's fuel fill-ups, mileage, and stats with a beautiful,
-            simple dashboard.
+          <p className="text-lg text-gray-600 max-w-2xl text-center">
+            {isLoggedIn
+              ? "Jump right into your dashboard to log fill-ups, view stats, and manage your cars."
+              : "Effortlessly log fill-ups, monitor fuel costs, and analyze your driving habits—all in one beautiful dashboard."}
           </p>
         </div>
         <div className="flex gap-4 flex-wrap justify-center">
-          <Link
-            href="/dashboard"
-            className="rounded-lg bg-[var(--primary)] text-white px-6 py-3 font-semibold shadow hover:bg-blue-700 transition"
-          >
-            Go to Dashboard
-          </Link>
-          <a
-            className="rounded-lg border border-[var(--border)] bg-[var(--muted)] text-[var(--primary)] px-6 py-3 font-semibold hover:bg-[var(--primary)] hover:text-white transition"
-            href="https://nextjs.org/docs"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            Next.js Docs
-          </a>
+          {isLoggedIn ? (
+            <Link
+              href="/dashboard"
+              className="rounded-lg bg-[var(--primary)] text-white px-8 py-4 text-lg font-bold shadow hover:bg-blue-700 transition"
+            >
+              Go to Dashboard
+            </Link>
+          ) : (
+            <>
+              <Link
+                href="/auth/login"
+                className="rounded-lg bg-[var(--primary)] text-white px-8 py-4 text-lg font-bold shadow hover:bg-blue-700 transition"
+              >
+                Login
+              </Link>
+              <Link
+                href="/auth/register"
+                className="rounded-lg border border-[var(--primary)] bg-[var(--muted)] text-[var(--primary)] px-8 py-4 text-lg font-bold hover:bg-[var(--primary)] hover:text-white transition"
+              >
+                Register
+              </Link>
+            </>
+          )}
         </div>
       </section>
-      <footer className="w-full py-4 flex items-center justify-center border-t border-[var(--border)] bg-[var(--muted)] text-sm text-gray-500">
-        <span>
-          &copy; {new Date().getFullYear()} Car Fuel Tracker. Built with Next.js.
-        </span>
+
+      {/* Features Section */}
+      <section className="w-full max-w-4xl mx-auto grid grid-cols-1 sm:grid-cols-3 gap-8 py-12 px-4">
+        <div className="flex flex-col items-center text-center gap-2 bg-[var(--muted)] rounded-xl shadow p-6 border border-[var(--border)]">
+          <span className="text-4xl text-[var(--primary)]">⛽</span>
+          <h2 className="font-semibold text-lg text-[var(--foreground)]">
+            Log Fill-Ups
+          </h2>
+          <p className="text-[var(--foreground)] opacity-80">
+            Quickly add fuel entries and keep your records organized.
+          </p>
+        </div>
+        <div className="flex flex-col items-center text-center gap-2 bg-[var(--muted)] rounded-xl shadow p-6 border border-[var(--border)]">
+          <span className="text-4xl text-[var(--secondary)]">📊</span>
+          <h2 className="font-semibold text-lg text-[var(--foreground)]">
+            Analyze Stats
+          </h2>
+          <p className="text-[var(--foreground)] opacity-80">
+            Visualize your fuel consumption, costs, and mileage trends.
+          </p>
+        </div>
+        <div className="flex flex-col items-center text-center gap-2 bg-[var(--muted)] rounded-xl shadow p-6 border border-[var(--border)]">
+          <span className="text-4xl text-[var(--accent)]">🚗</span>
+          <h2 className="font-semibold text-lg text-[var(--foreground)]">
+            Manage Cars
+          </h2>
+          <p className="text-[var(--foreground)] opacity-80">
+            Track multiple vehicles and switch between them easily.
+          </p>
+        </div>
+      </section>
+
+      {/* Testimonial Section */}
+      <section className="w-full max-w-2xl mx-auto py-8 px-4">
+        <div className="bg-[var(--muted)] rounded-xl shadow p-6 flex flex-col items-center gap-3 border border-[var(--border)]">
+          <span className="text-3xl text-[var(--secondary)]">“</span>
+          <p className="text-center text-lg text-[var(--foreground)] font-medium">
+            This app made it so easy to track my car’s fuel expenses and spot
+            trends. Highly recommended for anyone who wants to save money and
+            understand their driving habits!
+          </p>
+          <span className="text-sm text-gray-500">— Happy Driver</span>
+        </div>
+      </section>
+
+      {/* Footer */}
+      <footer className="w-full py-6 flex flex-col items-center justify-center border-t border-[var(--border)] bg-[var(--muted)] text-sm text-gray-500 gap-2 mt-auto">
+        <nav className="flex gap-6 mb-1">
+          <Link
+            href="/about"
+            className="hover:text-[var(--primary)] transition"
+          >
+            About
+          </Link>
+          <Link
+            href="/contact"
+            className="hover:text-[var(--primary)] transition"
+          >
+            Contact
+          </Link>
+          <Link
+            href="/privacy"
+            className="hover:text-[var(--primary)] transition"
+          >
+            Privacy Policy
+          </Link>
+        </nav>
+        <span>&copy; {new Date().getFullYear()} Car Fuel Tracker.</span>
       </footer>
     </div>
   );

src/app/providers.tsx

@@ -0,0 +1,6 @@
+"use client";
+import { SessionProvider } from "next-auth/react";
+
+export default function Providers({ children }: { children: React.ReactNode }) {
+  return <SessionProvider>{children}</SessionProvider>;
+}

src/components/ClientNavbar.tsx

@@ -0,0 +1,92 @@
+"use client";
+import Link from "next/link";
+import { usePathname } from "next/navigation";
+import { useState } from "react";
+import { useSession } from "next-auth/react";
+
+export default function ClientNavbar() {
+  const { data: session } = useSession();
+  const isLoggedIn = !!session;
+  const pathname = usePathname();
+  const userInitial = session?.user?.name?.[0]?.toUpperCase() || session?.user?.email?.[0]?.toUpperCase() || "U";
+  const [open, setOpen] = useState(false);
+
+  function NavLink({ href, children }: { href: string; children: React.ReactNode }) {
+    const isActive = pathname === href;
+    return (
+      <Link
+        href={href}
+        className={`px-4 py-2 rounded-lg font-semibold transition hover:bg-[var(--primary)] hover:text-white focus:outline-none focus:ring-2 focus:ring-[var(--primary)] ${isActive ? "underline text-[var(--primary)]" : "text-[var(--foreground)]"}`}
+        aria-current={isActive ? "page" : undefined}
+      >
+        {children}
+      </Link>
+    );
+  }
+
+  return (
+    <nav className="flex w-full items-center justify-between">
+      <Link href="/" className="flex items-center gap-2 text-2xl font-bold tracking-tight text-[var(--primary)] hover:scale-105 transition">
+        <span className="text-3xl">🚗</span>
+        <span>Car Fuel Tracker</span>
+      </Link>
+      {/* Desktop nav */}
+      <div className="hidden md:flex gap-4 items-center">
+        <NavLink href="/dashboard">Dashboard</NavLink>
+        {isLoggedIn && <NavLink href="/dashboard/cars/new">Add Car</NavLink>}
+        {isLoggedIn ? (
+          <div className="flex items-center gap-2 ml-4">
+            <span className="w-9 h-9 rounded-full bg-[var(--primary)] text-white flex items-center justify-center font-bold text-lg border-2 border-[var(--border)] shadow" title={session.user?.name || session.user?.email || undefined}>{userInitial}</span>
+            <form action="/api/auth/signout" method="post">
+              <button
+                type="submit"
+                className="px-4 py-2 rounded-lg bg-[var(--accent)] text-white font-semibold shadow hover:bg-purple-800 transition focus:outline-none focus:ring-2 focus:ring-[var(--accent)]"
+              >
+                Log Out
+              </button>
+            </form>
+          </div>
+        ) : (
+          <>
+            <Link href="/auth/login" className="px-4 py-2 rounded-lg border border-[var(--primary)] text-[var(--primary)] font-semibold hover:bg-[var(--primary)] hover:text-white transition focus:outline-none focus:ring-2 focus:ring-[var(--primary)]">Login</Link>
+            <Link href="/auth/register" className="px-4 py-2 rounded-lg bg-[var(--primary)] text-white font-semibold shadow hover:bg-blue-700 transition focus:outline-none focus:ring-2 focus:ring-[var(--primary)]">Register</Link>
+          </>
+        )}
+      </div>
+      {/* Hamburger for mobile */}
+      <div className="md:hidden relative">
+        <button
+          className="w-10 h-10 flex items-center justify-center rounded-lg border border-[var(--border)] bg-[var(--muted)] text-[var(--primary)] hover:bg-[var(--primary)] hover:text-white transition focus:outline-none focus:ring-2 focus:ring-[var(--primary)]"
+          aria-label="Open menu"
+          onClick={() => setOpen((v) => !v)}
+        >
+          <span className="text-2xl">☰</span>
+        </button>
+        {open && (
+          <div className="absolute right-0 mt-2 w-48 bg-[var(--muted)] rounded-xl shadow-lg border border-[var(--border)] z-50 flex flex-col p-2 gap-2 animate-fade-in">
+            <NavLink href="/dashboard">Dashboard</NavLink>
+            {isLoggedIn && <NavLink href="/dashboard/cars/new">Add Car</NavLink>}
+            {isLoggedIn ? (
+              <div className="flex items-center gap-2">
+                <span className="w-8 h-8 rounded-full bg-[var(--primary)] text-white flex items-center justify-center font-bold text-base border-2 border-[var(--border)] shadow">{userInitial}</span>
+                <form action="/api/auth/signout" method="post" className="w-full">
+                  <button
+                    type="submit"
+                    className="w-full px-4 py-2 rounded-lg bg-[var(--accent)] text-white font-semibold shadow hover:bg-purple-800 transition mt-2 focus:outline-none focus:ring-2 focus:ring-[var(--accent)]"
+                  >
+                    Log Out
+                  </button>
+                </form>
+              </div>
+            ) : (
+              <>
+                <Link href="/auth/login" className="w-full px-4 py-2 rounded-lg border border-[var(--primary)] text-[var(--primary)] font-semibold hover:bg-[var(--primary)] hover:text-white transition focus:outline-none focus:ring-2 focus:ring-[var(--primary)]">Login</Link>
+                <Link href="/auth/register" className="w-full px-4 py-2 rounded-lg bg-[var(--primary)] text-white font-semibold shadow hover:bg-blue-700 transition focus:outline-none focus:ring-2 focus:ring-[var(--primary)]">Register</Link>
+              </>
+            )}
+          </div>
+        )}
+      </div>
+    </nav>
+  );
+}