Privacy policy and navbar updates

components/PrivacyPolicy.tsx

@@ -1,12 +1,27 @@
+import { ArrowLeft } from 'lucide-react';
+
 const logo = '/logo.png';
 
 export function PrivacyPolicy() {
   return (
     <div className="min-h-screen bg-secondary">
-      <div className="max-w-3xl mx-auto px-6 py-12">
-        <div className="flex items-center gap-3 mb-8">
-          <img src={logo} alt="LabWise" className="h-10" />
+      {/* Navbar */}
+      <nav className="sticky top-0 z-50 bg-card border-b border-border">
+        <div className="max-w-6xl mx-auto px-6 h-14 flex items-center">
+          <a href="/">
+            <img src={logo} alt="LabWise" className="h-7" />
+          </a>
         </div>
+      </nav>
+
+      <div className="max-w-3xl mx-auto px-6 py-12">
+        <a
+          href="/"
+          className="inline-flex items-center gap-1.5 text-sm text-muted-foreground hover:text-foreground transition-colors mb-6"
+        >
+          <ArrowLeft className="w-4 h-4" />
+          Back
+        </a>
 
         <h1 className="text-3xl font-bold text-primary mb-2">Privacy Policy</h1>
         <p className="text-muted-foreground mb-8">Last updated: April 9, 2026</p>