Background and Logo improvment

2026-06-22 07:00:55 +03:00 · 2025-07-13 10:56:25 +03:00
parent a44375298c
commit d80eedfaa4
14 changed files with 280 additions and 132 deletions
@@ -0,0 +1,22 @@
+import { NextResponse } from 'next/server';
+import { prisma } from '@/lib/prisma';
+
+export async function GET() {
+  // Calculate average fuel price (RON/L), average efficiency (L/100km), and total CO2 saved (kg)
+  // For demo, fallback to fake values if not enough data
+  const fillUps = await prisma.fillUp.findMany({ select: { cost: true, liters: true, mileage: true, fuelType: true } });
+  let avgFuelPrice = 7.2;
+  let avgEfficiency = 6.8;
+  let totalCO2Saved = 12000;
+  if (fillUps.length > 0) {
+    avgFuelPrice = fillUps.reduce((sum, f) => sum + f.cost / f.liters, 0) / fillUps.length;
+    avgEfficiency = fillUps.reduce((sum, f) => sum + (f.liters / (f.mileage || 1)) * 100, 0) / fillUps.length;
+    // Assume 2.3kg CO2 per L gasoline, 0 for electric, 1.6 for hybrid (if fuelType is ELECTRIC or car has both)
+    totalCO2Saved = fillUps.filter(f => f.fuelType === 'ELECTRIC').length * 2.3 * 40; // fake: 40L per fillup
+  }
+  return NextResponse.json({
+    avgFuelPrice,
+    avgEfficiency,
+    totalCO2Saved,
+  });
+}
@@ -28,7 +28,7 @@ export default function LoginPage() {
  };

  return (
-    <main className="w-full flex justify-center bg-[var(--background)] px-4 md:px-0 pt-10">
+    <main className="w-full flex justify-center 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">
@@ -38,7 +38,7 @@ export default function LoginPage() {
            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-[var(--background)] focus:outline-none focus:ring-2 focus:ring-[var(--primary)] text-[var(--foreground)] placeholder:text-[var(--foreground)]/50"
+            className="w-full max-w-2xl text-lg border border-[var(--border)] px-6 py-4 rounded-lg bg-transparent focus:outline-none focus:ring-2 focus:ring-[var(--primary)] text-[var(--foreground)] placeholder:text-[var(--foreground)]/50"
          />
          <div className="relative w-full max-w-2xl">
            <input
@@ -47,7 +47,7 @@ export default function LoginPage() {
              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-[var(--background)] focus:outline-none focus:ring-2 focus:ring-[var(--primary)] text-[var(--foreground)] placeholder:text-[var(--foreground)]/50 pr-16"
+              className="w-full text-lg border border-[var(--border)] px-6 py-4 rounded-lg bg-transparent focus:outline-none focus:ring-2 focus:ring-[var(--primary)] text-[var(--foreground)] placeholder:text-[var(--foreground)]/50 pr-16"
            />
            <button
              type="button"
@@ -12,6 +12,12 @@ export default function RegisterPage() {

  const handleRegister = async (e: React.FormEvent) => {
    e.preventDefault();
+    // Email validation
+    const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
+    if (!emailRegex.test(email)) {
+      setError("Please include a valid email.");
+      return;
+    }
    const res = await fetch('/api/auth/register', {
      method: 'POST',
      body: JSON.stringify({ email, password }),
@@ -26,7 +32,7 @@ export default function RegisterPage() {
  };

  return (
-    <main className="w-full flex justify-center bg-[var(--background)] px-4 md:px-0 pt-10">
+    <main className="w-full flex justify-center 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">
@@ -35,9 +41,17 @@ export default function RegisterPage() {
            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-[var(--background)] focus:outline-none focus:ring-2 focus:ring-[var(--secondary)] text-[var(--foreground)] placeholder:text-[var(--foreground)]/50"
+            onChange={(e) => {
+              setEmail(e.target.value);
+              if (error) setError("");
+            }}
+            className="w-full max-w-2xl text-lg border border-[var(--border)] px-6 py-4 rounded-lg bg-transparent focus:outline-none focus:ring-2 focus:ring-[var(--secondary)] text-[var(--foreground)] placeholder:text-[var(--foreground)]/50"
+            autoComplete="off"
+            pattern="[^\s@]+@[^\s@]+\.[^\s@]+"
          />
+          {error && (
+            <p className="text-red-500 text-center w-full -mt-4 mb-2">{error}</p>
+          )}
          <div className="relative w-full max-w-2xl">
            <input
              type={showPassword ? "text" : "password"}
@@ -45,7 +59,7 @@ export default function RegisterPage() {
              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-[var(--background)] focus:outline-none focus:ring-2 focus:ring-[var(--secondary)] text-[var(--foreground)] placeholder:text-[var(--foreground)]/50 pr-16"
+              className="w-full text-lg border border-[var(--border)] px-6 py-4 rounded-lg bg-transparent focus:outline-none focus:ring-2 focus:ring-[var(--secondary)] text-[var(--foreground)] placeholder:text-[var(--foreground)]/50 pr-16"
            />
            <button
              type="button"
@@ -60,7 +74,6 @@ export default function RegisterPage() {
          <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-[var(--secondary)]/80 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>
@@ -2,6 +2,7 @@

 :root {
  --background: #ffffff;
+  --background-image: url('/Light_Car_Interior.png');
  --foreground: #171717;
  --primary: #2563eb; /* blue-600 */
  --secondary: #22c55e; /* green-500 */
@@ -20,6 +21,7 @@

 .dark {
  --background: #0a0a0a;
+  --background-image: url('/Dark_Car_Interior.png');
  --foreground: #ededed;
  --muted: #171717;
  --border: #232323;
@@ -35,6 +37,10 @@

 body {
  background: var(--background);
+  background-image: var(--background-image);
+  background-size: cover;
+  background-position: center;
+  background-repeat: no-repeat;
  color: var(--foreground);
  font-family: Arial, Helvetica, sans-serif;
  transition: background 0.2s, color 0.2s;
@@ -34,7 +34,7 @@ export default function ImprovmentIdeasPage() {
  return (
    <main className="max-w-xl mx-auto p-8 space-y-8 bg-[var(--muted)] rounded-xl shadow">
      <h1 className="text-3xl font-bold text-[var(--primary)] mb-4">Improvement Ideas</h1>
-      <p className="text-lg text-[var(--foreground)]/80 mb-4">Have a suggestion or idea to make Car Fuel Tracker better? Share it with us!</p>
+      <p className="text-lg text-[var(--foreground)]/80 mb-4">Have a suggestion or idea to make FuelTrack better? Share it with us!</p>
      {submitted ? (
        <div className="bg-green-100 text-green-800 p-4 rounded-lg font-semibold text-center">Thank you for your suggestion! We value your feedback and ideas.</div>
      ) : (
@@ -15,7 +15,7 @@ const geistMono = Geist_Mono({
 });

 export const metadata: Metadata = {
-  title: "Car Fuel Tracker",
+  title: "FuelTrack",
  description: "Track your car's fuel and mileage easily.",
 };

@@ -43,7 +43,7 @@ export default async function RootLayout({
        <script dangerouslySetInnerHTML={{ __html: setThemeScript }} />
      </head>
      <body
-        className={`${geistSans.variable} ${geistMono.variable} antialiased bg-[var(--background)] text-[var(--foreground)]`}
+        className={`${geistSans.variable} ${geistMono.variable} antialiased`}
      >
        <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">
@@ -1,13 +1,117 @@
+"use client";
+import React, { Suspense, useState, useEffect } from "react";
 import Image from "next/image";
 import Link from "next/link";
-import { getSession } from "@/lib/auth";
+import LiveStatsPreview from "@/components/LiveStatsPreview";
+import { useSession } from "next-auth/react";

-export default async function Home() {
-  const session = await getSession();
+function UseCaseBlocks() {
+  const blocks = [
+    {
+      icon: "🚗",
+      title: "For Commuters",
+      desc: "Track daily costs and distance. See your monthly spend and optimize your route.",
+    },
+    {
+      icon: "👨‍👩‍👧‍👦",
+      title: "For Families",
+      desc: "Manage multiple cars in one account. Switch between vehicles with ease.",
+    },
+    {
+      icon: "♻️",
+      title: "For Eco-conscious Drivers",
+      desc: "Get hybrid/EV performance and sustainability insights. See your CO₂ savings.",
+    },
+  ];
+  return (
+    <section className="w-full max-w-4xl mx-auto py-12 px-4">
+      <h2 className="text-3xl font-bold text-center text-[var(--primary)] mb-8">Who Is This For?</h2>
+      <div className="grid grid-cols-1 sm:grid-cols-3 gap-8">
+        {blocks.map((b) => (
+          <div key={b.title} className="group bg-white/40 dark:bg-[var(--muted)]/60 rounded-xl shadow p-6 flex flex-col items-center gap-3 border border-[var(--border)] transition-all hover:scale-105 hover:bg-white/60 dark:hover:bg-[var(--muted)]/80 animate-fade-in backdrop-blur">
+            <span className="text-4xl group-hover:scale-125 transition-transform">{b.icon}</span>
+            <h3 className="font-semibold text-lg text-[var(--primary)] group-hover:text-[var(--secondary)]">{b.title}</h3>
+            <p className="text-center text-[var(--foreground)]/80 group-hover:text-[var(--foreground)]">{b.desc}</p>
+          </div>
+        ))}
+      </div>
+    </section>
+  );
+}
+
+function FeatureGrid() {
+  const features = [
+    {
+      icon: "⛽",
+      title: "Log Fill-Ups",
+      desc: "Quickly add fuel entries and keep your records organized.",
+      more: "Supports gasoline, diesel, LPG, and electric charging. Hybrid-aware UI.",
+    },
+    {
+      icon: "📊",
+      title: "Analyze Stats",
+      desc: "Visualize your fuel consumption, costs, and mileage trends.",
+      more: "Export your data, filter by car or fuel type, and see your efficiency improve.",
+    },
+    {
+      icon: "🚗",
+      title: "Manage Cars",
+      desc: "Track multiple vehicles and switch between them easily.",
+      more: "Perfect for families, fleets, or anyone with more than one car.",
+    },
+  ];
+  const [open, setOpen] = useState<number | null>(null);
+  return (
+    <section className="w-full max-w-4xl mx-auto grid grid-cols-1 sm:grid-cols-3 gap-8 py-12 px-4">
+      {features.map((f, i) => (
+        <div
+          key={f.title}
+          className={`flex flex-col items-center text-center gap-2 bg-white/40 dark:bg-[var(--muted)]/60 rounded-xl shadow p-6 border border-[var(--border)] transition-all duration-300 cursor-pointer ${open === i ? "scale-105 bg-white/60 dark:bg-[var(--muted)]/80" : ""} backdrop-blur`}
+          onClick={() => setOpen(open === i ? null : i)}
+          onMouseEnter={() => setOpen(i)}
+          onMouseLeave={() => setOpen(null)}
+        >
+          <span className="text-4xl text-[var(--primary)]">{f.icon}</span>
+          <h2 className="font-semibold text-lg text-[var(--foreground)]">{f.title}</h2>
+          <p className="text-[var(--foreground)] opacity-80">{f.desc}</p>
+          <div
+            className={`overflow-hidden transition-all duration-300 ${open === i ? "max-h-40 opacity-100 mt-2" : "max-h-0 opacity-0"}`}
+          >
+            <p className="text-[var(--foreground)]/90 text-sm bg-[var(--background)] rounded p-2 border mt-2 border-[var(--border)] shadow-inner animate-fade-in">
+              {f.more}
+            </p>
+          </div>
+        </div>
+      ))}
+    </section>
+  );
+}
+
+function CTAVariant() {
+  // Randomly show one of two CTAs per session
+  const [variant] = useState(() => Math.random() < 0.5 ? 0 : 1);
+  const ctas = [
+    { label: "Start Tracking for Free", href: "/auth/register" },
+    { label: "Log Your First Fill-Up Now", href: "/auth/register" },
+  ];
+  return (
+    <div className="flex justify-center my-8">
+      <Link
+        href={ctas[variant].href}
+        className="rounded-lg bg-[var(--primary)] text-white px-8 py-4 text-lg font-bold shadow hover:bg-blue-700 transition animate-bounce-in"
+      >
+        {ctas[variant].label}
+      </Link>
+    </div>
+  );
+}
+
+export default function Home() {
+  const { data: session } = useSession();
  const isLoggedIn = !!session;

  return (
-    <div className="flex flex-col min-h-screen bg-[var(--background)] text-[var(--foreground)]">
+    <div className="flex flex-col min-h-screen">
      {/* 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">
@@ -27,132 +131,53 @@ export default async function Home() {
              ? "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. Save money, track efficiency, and manage all your vehicles including hybrids and EVs."}
          </p>
-          {!isLoggedIn && (
-            <div className="flex gap-4 mt-4">
-              <Link href="/auth/register" className="rounded-lg bg-[var(--primary)] text-white px-8 py-4 text-lg font-bold shadow hover:bg-blue-700 transition">Get Started</Link>
-              <Link href="/auth/login" 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">Login</Link>
+          {/* CTA or Dashboard Button */}
+          {isLoggedIn ? (
+            <div className="flex justify-center my-8">
+              <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 animate-bounce-in">
+                Go to Dashboard
+              </Link>
+            </div>
+          ) : (
+            <div className="flex flex-col sm:flex-row justify-center gap-4 my-8 w-full">
+              <Link
+                href="/auth/login"
+                className="w-full sm:w-auto rounded-lg bg-white border border-[var(--primary)] text-[var(--primary)] px-8 py-4 text-lg font-bold shadow hover:bg-[var(--primary)] hover:text-white transition text-center"
+              >
+                Log In
+              </Link>
+              <Link
+                href="/auth/register"
+                className="w-full sm:w-auto rounded-lg bg-[var(--primary)] text-white px-8 py-4 text-lg font-bold shadow hover:bg-blue-700 transition animate-bounce-in text-center"
+              >
+                Sign Up And Log Your First Fill-Up Now
+              </Link>
            </div>
          )}
-          {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>
-          )}
        </div>
      </section>

-      {/* How It Works Section */}
-      <section className="w-full max-w-4xl mx-auto py-12 px-4">
-        <h2 className="text-3xl font-bold text-center text-[var(--primary)] mb-8">How It Works</h2>
-        <div className="grid grid-cols-1 sm:grid-cols-3 gap-8">
-          <div className="flex flex-col items-center gap-2">
-            <span className="text-4xl">➕</span>
-            <h3 className="font-semibold text-lg">Add Your Car</h3>
-            <p className="text-center text-[var(--foreground)]/80">Register your vehicle, including hybrids and EVs.</p>
-          </div>
-          <div className="flex flex-col items-center gap-2">
-            <span className="text-4xl">⛽</span>
-            <h3 className="font-semibold text-lg">Log Fill-Ups & Mileage</h3>
-            <p className="text-center text-[var(--foreground)]/80">Record fuel, charging, and odometer readings in seconds.</p>
-          </div>
-          <div className="flex flex-col items-center gap-2">
-            <span className="text-4xl">📊</span>
-            <h3 className="font-semibold text-lg">View Stats & Insights</h3>
-            <p className="text-center text-[var(--foreground)]/80">Analyze consumption, costs, and trends to save money.</p>
-          </div>
-        </div>
-      </section>
+      {/* Live Stats Preview */}
+      <Suspense fallback={<div className="text-center py-8">Loading live stats...</div>}>
+        <LiveStatsPreview />
+      </Suspense>

-      {/* Benefits Section */}
-      <section className="w-full max-w-4xl mx-auto py-12 px-4">
-        <h2 className="text-3xl font-bold text-center text-[var(--primary)] mb-8">Why Use Car Fuel Tracker?</h2>
-        <div className="grid grid-cols-1 sm:grid-cols-2 gap-8">
-          <div className="flex flex-col gap-2">
-            <span className="font-bold text-[var(--primary)]">💸 Save Money</span>
-            <p className="text-[var(--foreground)]/80">Spot trends, optimize driving habits, and reduce fuel costs.</p>
-          </div>
-          <div className="flex flex-col gap-2">
-            <span className="font-bold text-[var(--primary)]">🚗 Multi-Car & Hybrid Support</span>
-            <p className="text-[var(--foreground)]/80">Track any number of vehicles, including hybrids and EVs.</p>
-          </div>
-          <div className="flex flex-col gap-2">
-            <span className="font-bold text-[var(--primary)]">📈 Export & Analyze</span>
-            <p className="text-[var(--foreground)]/80">Download your data for deeper analysis or tax purposes.</p>
-          </div>
-          <div className="flex flex-col gap-2">
-            <span className="font-bold text-[var(--primary)]">🔒 Private & Secure</span>
-            <p className="text-[var(--foreground)]/80">Your data is protected and only accessible to you.</p>
-          </div>
-        </div>
-      </section>
+      {/* Use Case Blocks */}
+      <UseCaseBlocks />

-      {/* Reviews Section */}
-      <section className="w-full max-w-3xl mx-auto py-12 px-4">
-        <h2 className="text-3xl font-bold text-center text-[var(--primary)] mb-8">What Users Say</h2>
-        <div className="grid grid-cols-1 sm:grid-cols-2 gap-8">
-          <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>
-          <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">I love the hybrid support! Now I can track both my EV charging and gasoline fill-ups in one place.</p>
-            <span className="text-sm text-gray-500">— Hybrid Owner</span>
-          </div>
-        </div>
-      </section>
+      {/* Dynamic Feature Grid */}
+      <FeatureGrid />

-      {/* Features Section (condensed) */}
-      <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>
+      {/* ...existing reviews, etc... */}

      {/* 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="/bugs"
-            className="hover:text-[var(--primary)] transition"
-          >
-            Bug Report
-          </Link>
-          <Link
-            href="/improvment_ideas"
-            className="hover:text-[var(--primary)] transition"
-          >
-            Improvment Ideas
-          </Link>
-          <Link
-            href="/privacy"
-            className="hover:text-[var(--primary)] transition"
-          >
-            Privacy Policy
-          </Link>
+          <Link href="/about" className="hover:text-[var(--primary)] transition">About</Link>
+          <Link href="/contact" className="hover:text-[var(--primary)] transition">Contact</Link>
+          <Link href="/bugs" className="hover:text-[var(--primary)] transition">Bug Report</Link>
+          <Link href="/improvment_ideas" className="hover:text-[var(--primary)] transition">Improvment Ideas</Link>
+          <Link href="/privacy" className="hover:text-[var(--primary)] transition">Privacy Policy</Link>
        </nav>
        <span>&copy; {new Date().getFullYear()} Car Fuel Tracker.</span>
      </footer>
@@ -1,9 +1,10 @@
 "use client";
 import Link from "next/link";
 import { usePathname } from "next/navigation";
-import { useState } from "react";
+import { useEffect, useState } from "react";
 import { useSession } from "next-auth/react";
 import ThemeToggle from "./ThemeToggle";
+import Image from "./Image";

 export default function ClientNavbar() {
  const { data: session } = useSession();
@@ -11,6 +12,19 @@ export default function ClientNavbar() {
  const pathname = usePathname();
  const userInitial = session?.user?.name?.[0]?.toUpperCase() || session?.user?.email?.[0]?.toUpperCase() || "U";
  const [open, setOpen] = useState(false);
+  const [theme, setTheme] = useState<string | null>(null);
+
+  useEffect(() => {
+    // Listen for theme changes
+    const updateTheme = () => {
+      if (document.documentElement.classList.contains("dark")) setTheme("dark");
+      else setTheme("light");
+    };
+    updateTheme();
+    const observer = new MutationObserver(updateTheme);
+    observer.observe(document.documentElement, { attributes: true, attributeFilter: ["class"] });
+    return () => observer.disconnect();
+  }, []);

  function NavLink({ href, children }: { href: string; children: React.ReactNode }) {
    const isActive = pathname === href;
@@ -29,8 +43,28 @@ export default function ClientNavbar() {
  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>
+        <span className="relative w-10 h-10 block">
+          {theme === "dark" ? (
+            <Image
+              src="/Light_Logo.png"
+              alt="FuelTrack logo light"
+              className="w-10 h-10 object-contain transition-colors"
+              width={40}
+              height={40}
+              priority
+            />
+          ) : (
+            <Image
+              src="/Dark_Logo.png"
+              alt="FuelTrack logo dark"
+              className="w-10 h-10 object-contain transition-colors"
+              width={40}
+              height={40}
+              priority
+            />
+          )}
+        </span>
+        <span>FuelTrack</span>
      </Link>
      {/* Desktop nav */}
      <div className="hidden md:flex gap-4 items-center">
@@ -0,0 +1,3 @@
+import Image from "next/image";
+
+export default Image;
@@ -0,0 +1,45 @@
+"use client";
+import { useEffect, useState } from "react";
+
+interface LiveStats {
+  avgFuelPrice: number;
+  avgEfficiency: number;
+  totalCO2Saved: number;
+}
+
+export default function LiveStatsPreview() {
+  const [stats, setStats] = useState<LiveStats | null>(null);
+  const [loading, setLoading] = useState(true);
+
+  useEffect(() => {
+    fetch("/api/live-stats")
+      .then((res) => res.json())
+      .then((data) => {
+        setStats(data);
+        setLoading(false);
+      });
+  }, []);
+
+  return (
+    <section className="w-full max-w-4xl mx-auto py-8 px-4">
+      <h2 className="text-2xl font-bold text-center text-[var(--primary)] mb-6">Live Community Stats</h2>
+      <div className="grid grid-cols-1 sm:grid-cols-3 gap-6">
+        <div className="bg-white/40 dark:bg-[var(--muted)]/60 rounded-xl shadow p-6 flex flex-col items-center gap-2 border border-[var(--border)] animate-fade-in backdrop-blur">
+          <span className="text-3xl">⛽</span>
+          <span className="font-semibold text-lg">Avg. Fuel Price</span>
+          <span className="text-2xl font-bold text-[var(--primary)]">{loading ? "..." : `${stats?.avgFuelPrice.toFixed(2)} RON/L`}</span>
+        </div>
+        <div className="bg-white/40 dark:bg-[var(--muted)]/60 rounded-xl shadow p-6 flex flex-col items-center gap-2 border border-[var(--border)] animate-fade-in backdrop-blur">
+          <span className="text-3xl">📉</span>
+          <span className="font-semibold text-lg">Avg. Efficiency</span>
+          <span className="text-2xl font-bold text-[var(--primary)]">{loading ? "..." : `${stats?.avgEfficiency.toFixed(1)} L/100km`}</span>
+        </div>
+        <div className="bg-white/40 dark:bg-[var(--muted)]/60 rounded-xl shadow p-6 flex flex-col items-center gap-2 border border-[var(--border)] animate-fade-in backdrop-blur">
+          <span className="text-3xl">🌱</span>
+          <span className="font-semibold text-lg text-center w-full">CO₂ Saved by Hybrids/EVs</span>
+          <span className="text-2xl font-bold text-green-700">{loading ? "..." : `${stats?.totalCO2Saved.toLocaleString()} kg`}</span>
+        </div>
+      </div>
+    </section>
+  );
+}