feat: Finished initial individual post layout

public/js/navbar.js

@@ -0,0 +1,38 @@
+const mobileNav = document.getElementById('mobile-nav');
+
+function toggleMobileNav() {
+  if (mobileNav.classList.contains('show')) {
+    removeBackdrop()
+  } else {
+    const backdrop = document.createElement('div');
+    backdrop.className = 'mobile-nav-backdrop';
+    document.body.appendChild(backdrop);
+    backdrop.addEventListener('click', () => {
+      mobileNav.classList.remove('show');
+      removeBackdrop();
+    });
+    setTimeout(() => backdrop.classList.add('show'), 10);
+  }
+  mobileNav.classList.toggle('show');
+}
+
+function removeBackdrop() {
+  const backdrop = document.querySelector('.mobile-nav-backdrop');
+  if (backdrop) {
+    backdrop.classList.remove('show');
+    setTimeout(() => {
+      backdrop.remove();
+    }, 250);
+  }
+}
+
+document.addEventListener('keydown', (event) => {
+  if (event.key === 'Escape') {
+    if (mobileNav.classList.contains('show')) {
+      mobileNav.classList.remove('show');
+      removeBackdrop();
+    }
+  }
+});
+document.getElementById('mobile-nav-btn').addEventListener('click', toggleMobileNav);
+document.getElementById('mobile-nav-close-btn').addEventListener('click', toggleMobileNav);