diff --git a/public/app.js b/public/app.js
index 070d741..d8d4e07 100755
--- a/public/app.js
+++ b/public/app.js
@@ -1,5 +1,4 @@
 const els = {
-  body: document.body,
   menuBtn: document.getElementById("menuBtn"),
   primaryNav: document.getElementById("primaryNav"),
   sectionSelect: document.getElementById("sectionSelect"),
@@ -9,12 +8,11 @@ const els = {
   searchBox: document.getElementById("searchBox"),
   postList: document.getElementById("postList"),
   viewer: document.getElementById("viewer"),
-  content: document.getElementById("content")
+  content: document.getElementById("content"),
+  toggleControls: document.getElementById("toggleControls"),
+  filterPanel: document.getElementById("filterPanel")
 };
 
-const sectionIcons = { essays: '✍️', fieldnotes: '📓', pinned: '📌' };
-const tagIcons = { /* Optional: e.g., 'tech': '🔧' */ };
-
 let indexData = null;
 let sidebarOpen = false;
 
@@ -29,36 +27,33 @@ async function init() {
     handleHash();
     window.addEventListener("hashchange", handleHash);
   } catch (e) {
-    els.viewer.innerHTML = "<h1>Error Loading Site</h1><p>Failed to load index data. Please refresh or check connection.</p>";
+    els.viewer.innerHTML = "<h1>Error</h1><p>Failed to load site data.</p>";
   }
 }
 
 function populateNav() {
   els.primaryNav.innerHTML = '<a href="#/">Home</a>';
-  indexData.sections.filter(s => indexData.flat.some(f => f.path.split('/')[0] === s && f.isIndex)).forEach(s => {
-    els.primaryNav.innerHTML += `<a href="#/${s}/">${s.charAt(0).toUpperCase() + s.slice(1)}</a>`;
+  indexData.sections.forEach(s => {
+    const hasIndex = indexData.flat.some(f => f.path.startsWith(s + "/") && f.isIndex);
+    if (hasIndex) {
+      els.primaryNav.innerHTML += `<a href="#/${s}/">${s.charAt(0).toUpperCase() + s.slice(1)}</a>`;
+    }
   });
 }
 
 function populateSections() {
   els.sectionSelect.innerHTML = '<option value="all">All Sections</option>';
   indexData.sections.forEach(s => {
-    const icon = sectionIcons[s] ? `${sectionIcons[s]} ` : '';
     const opt = document.createElement("option");
-    opt.value = s;
-    opt.textContent = `${icon}${s}`;
+    opt.value = s; opt.textContent = s;
     els.sectionSelect.appendChild(opt);
   });
 }
 
 function populateTags() {
-  els.tagSelect.innerHTML = '';
   indexData.tags.forEach(t => {
-    const icon = tagIcons[t] ? `${tagIcons[t]} ` : '';
     const opt = document.createElement("option");
-    opt.value = t;
-    opt.textContent = `${icon}${t}`;
-    opt.title = `Filter by ${t}`;
+    opt.value = t; opt.textContent = t;
     els.tagSelect.appendChild(opt);
   });
 }
@@ -68,14 +63,23 @@ function wireUI() {
     sidebarOpen = !sidebarOpen;
     document.body.classList.toggle("sidebar-open", sidebarOpen);
   });
+
+  els.toggleControls.addEventListener("click", () => {
+    const open = els.filterPanel.open;
+    els.filterPanel.open = !open;
+    els.toggleControls.textContent = open ? "Filters" : "Hide";
+  });
+
   els.sectionSelect.addEventListener("change", () => {
     renderList();
     if (els.sectionSelect.value !== "all") loadDefaultForSection(els.sectionSelect.value);
   });
+
   [els.tagSelect, els.sortSelect, els.searchMode].forEach(el => el.addEventListener("change", renderList));
   els.searchBox.addEventListener("input", renderList);
+
   els.content.addEventListener("click", () => {
-    if (window.matchMedia("(max-width:1024px)").matches && document.body.classList.contains("sidebar-open")) {
+    if (window.innerWidth < 1024 && document.body.classList.contains("sidebar-open")) {
       document.body.classList.remove("sidebar-open");
       sidebarOpen = false;
     }
@@ -89,65 +93,47 @@ function renderList() {
   const mode = els.searchMode.value;
   const query = els.searchBox.value.toLowerCase();
 
-  let posts = indexData.flat.filter(p => !p.isIndex); // Exclude index from lists
+  let posts = indexData.flat.filter(p => !p.isIndex);
   if (section !== "all") posts = posts.filter(p => p.path.split('/')[0] === section);
-  if (tags.length > 0) posts = posts.filter(p => tags.every(t => p.tags.includes(t)));
+  if (tags.length) posts = posts.filter(p => tags.every(t => p.tags.includes(t)));
   if (query) {
     posts = posts.filter(p => {
-      const searchText = mode === "content" ? (p.title + ' ' + p.excerpt).toLowerCase() : p.title.toLowerCase();
-      return searchText.includes(query);
+      const text = mode === "content" ? p.title + " " + p.excerpt : p.title;
+      return text.toLowerCase().includes(query);
     });
   }
   posts.sort((a, b) => sort === "newest" ? b.mtime - a.mtime : a.mtime - b.mtime);
 
-  els.postList.innerHTML = posts.length ? "" : "<li>No matching posts found. Try adjusting filters.</li>";
-  for (const p of posts) {
+  els.postList.innerHTML = posts.length ? "" : "<li>No posts found.</li>";
+  posts.forEach(p => {
     const li = document.createElement("li");
-    const pin = p.isPinned ? "&#9733; " : "";
-    li.innerHTML = `<a href="#/${p.path}">${pin}${p.title}</a><br><small>${new Date(p.mtime).toISOString().split("T")[0]}</small>`;
+    const pin = p.isPinned ? "Star " : "";
+    li.innerHTML = `<a href="#/${p.path}">${pin}${p.title}</a><small>${new Date(p.mtime).toISOString().split("T")[0]}</small>`;
     els.postList.appendChild(li);
-  }
+  });
 }
 
 function loadDefaultForSection(section) {
-  const posts = indexData.flat.filter(p => p.path.split('/')[0] === section && !p.isIndex); // Exclude index
+  const posts = indexData.flat.filter(p => p.path.split('/')[0] === section && !p.isIndex);
   if (!posts.length) {
-    els.viewer.innerHTML = `<h1>${section.charAt(0).toUpperCase() + section.slice(1)}</h1><p>No content yet. Add files and redeploy!</p>`;
+    els.viewer.innerHTML = `<h1>${section}</h1><p>No content yet.</p>`;
     return;
   }
-  const pinned = posts.filter(p => p.isPinned).sort((a, b) => b.mtime - a.mtime)[0];
-  const toLoad = pinned || posts.sort((a, b) => b.mtime - a.mtime)[0];
-  location.hash = '#/' + toLoad.path;
+  const pinned = posts.find(p => p.isPinned) || posts.sort((a,b) => b.mtime - a.mtime)[0];
+  location.hash = `#/${pinned.path}`;
 }
 
 async function handleHash() {
-  els.viewer.classList.remove("fade-in");
   els.viewer.innerHTML = "";
-  void els.viewer.offsetWidth;
-  els.viewer.classList.add("fade-in");
   const rel = location.hash.replace(/^#\//, "");
   if (!rel) return renderDefault();
 
   if (rel.endsWith('/')) {
-    const section = rel.replace(/\/$/, '');
-    if (!indexData.sections.includes(section)) {
-      els.viewer.innerHTML = '<h1>404: Section Not Found</h1><p>Try navigating from the menu.</p>';
-      return;
-    }
-    const indexFile = indexData.flat.find(f => f.path.split('/')[0] === section && f.isIndex);
+    const section = rel.slice(0, -1);
+    const indexFile = indexData.flat.find(f => f.path.startsWith(section + "/") && f.isIndex);
     if (indexFile) {
-      // Load index for top nav
-      try {
-        if (indexFile.ext === ".md") {
-          await renderMarkdown(indexFile.path);
-        } else {
-          renderIframe(indexFile.path);
-        }
-      } catch (e) {
-        els.viewer.innerHTML = '<h1>Error Loading Index</h1><p>Unable to load section index.</p>';
-      }
+      indexFile.ext === ".md" ? await renderMarkdown(indexFile.path) : renderIframe(indexFile.path);
     } else {
-      // Dynamic load for drop-down style
       els.sectionSelect.value = section;
       renderList();
       loadDefaultForSection(section);
@@ -155,54 +141,43 @@ async function handleHash() {
   } else {
     const file = indexData.flat.find(f => f.path === rel);
     if (!file) {
-      els.viewer.innerHTML = '<h1>404: File Not Found</h1><p>Check the URL or search again.</p>';
+      els.viewer.innerHTML = "<h1>404</h1><p>Not found.</p>";
       return;
     }
-    try {
-      if (file.ext === ".md") {
-        await renderMarkdown(file.path);
-      } else {
-        renderIframe(file.path);
-      }
-    } catch (e) {
-      els.viewer.innerHTML = '<h1>Error Loading Content</h1><p>Unable to load. File may be invalid.</p>';
-    }
+    file.ext === ".md" ? await renderMarkdown(file.path) : renderIframe(file.path);
   }
 }
 
 async function renderMarkdown(rel) {
-  const src = await fetch(rel).then(r => { if (!r.ok) throw new Error('Fetch failed'); return r.text(); });
-  const html = marked.parse(src);
-  els.viewer.innerHTML = `<article>${html}</article>`;
+  const src = await fetch(rel).then(r => r.ok ? r.text() : Promise.reject());
+  els.viewer.innerHTML = `<article class="markdown">${marked.parse(src)}</article>`;
 }
 
 function renderIframe(rel) {
   const iframe = document.createElement("iframe");
-  iframe.setAttribute("sandbox", "allow-same-origin allow-scripts allow-forms");
-  iframe.loading = "eager";
   iframe.src = "/" + rel;
+  iframe.loading = "eager";
+  iframe.setAttribute("sandbox", "allow-same-origin allow-scripts allow-forms");
   els.viewer.appendChild(iframe);
-  iframe.addEventListener("load", () => {
+
+  iframe.onload = () => {
     if (rel.endsWith('.pdf')) return;
     try {
-      const d = iframe.contentDocument || iframe.contentWindow.document;
-      const s = d.createElement("style");
-      s.textContent = `
-        html,body{margin:0;padding:0;background:transparent;color:#e6e3d7;font:16px/1.6 Inter,ui-sans-serif;}
-        main,article,section{max-width:720px;margin:auto;padding:2rem;}
+      const doc = iframe.contentDocument;
+      const style = doc.createElement("style");
+      style.textContent = `
+        html,body{background:#0b0b0b;color:#e6e3d7;font-family:Inter,sans-serif;margin:0;padding:2rem;}
+        *{max-width:720px;margin:auto;}
       `;
-      d.head.appendChild(s);
+      doc.head.appendChild(style);
     } catch {}
-  });
+  };
 }
 
 function renderDefault() {
-  const latest = [...indexData.flat].sort((a, b) => b.mtime - a.mtime)[0];
-  if (latest) {
-    location.hash = "#/" + latest.path;
-  } else {
-    els.viewer.innerHTML = '<h1>Welcome to The Fold Within</h1><p>Add content to sections and redeploy to get started.</p>';
-  }
+  const latest = indexData.flat.filter(f => !f.isIndex).sort((a,b) => b.mtime - a.mtime)[0];
+  if (latest) location.hash = `#/${latest.path}`;
+  else els.viewer.innerHTML = "<h1>Welcome</h1><p>Add content to begin.</p>";
 }
 
 init();
\ No newline at end of file