diff --git a/public/overleaf.html b/public/overleaf.html
index aa1f92d..63ca71c 100644
--- a/public/overleaf.html
+++ b/public/overleaf.html
@@ -6,6 +6,7 @@
   <title>Project Viewer</title>
   <link rel="stylesheet" href="/prism.css" />
   <style>
+    @import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css');
     * { box-sizing: border-box; margin: 0; padding: 0; }
 
     body {
@@ -32,6 +33,16 @@
       flex-shrink: 0;
     }
 
+    .subheader {
+      padding: 0.5rem 1rem;
+      background: #2f3a4c;
+      color: #bbb;
+      font-size: 14px;
+      border-bottom: 3px solid #444;
+      flex-shrink: 0;
+      display: flex;
+    }
+
     main {
       flex: 1;
       display: flex;
@@ -68,13 +79,16 @@
       color: white;
     }
 
-    .editor {
+    .editor-container {
+      display: flex;
+      flex-direction: column;
       flex: 2;
-      background: #1e1e1e;
+      overflow: hidden;
+    }
+
+    .editor {
+      flex: 1;
       overflow: auto;
-      font-size: 14px;
-      min-width: 200px;
-      user-select: text;
     }
 
     .editor pre {
@@ -111,14 +125,14 @@
       top: 50%;
       left: 50%;
       transform: translate(-50%, -50%);
-      color: #f33;
+      color: white;
       font-weight: bold;
-      background: #330000cc;
       padding: 1rem 2rem;
       border-radius: 6px;
       display: none;
       z-index: 10;
       user-select: none;
+      text-align: center;
     }
 
     footer {
@@ -143,41 +157,67 @@
     #dragbar:hover {
       background: #666;
     }
-    #open-in-editor-button {
+    .rounded-button {
       margin-left: auto;
       color: white;
       background-color: #098842;
       border-radius: 100px;
-      padding: 0.25rem 0.5rem;
+      padding: 0.25rem 1rem;
       text-decoration: none;
       font-weight: bold;
       font-size: 14px;
       cursor: pointer;
     }
-    #open-in-editor-button:hover {
+    .rounded-button:hover {
       background-color: #1e6941;
       transition: background-color 0.2s ease;
     }
+    .left-button {
+      margin-right: auto;
+      margin-left: 0;
+      border-radius: 20px 100px 100px 20px;
+    }
+    .right-button {
+      margin-left: auto;
+      margin-right: 0;
+      border-radius: 100px 20px 20px 100px;
+    }
+    .files-header {
+      font-size: 1.2rem;
+      font-weight: bold;
+    }
   </style>
 </head>
 <body>
-  <header><a id="header-content"><a>LaTeX Project Viewer (Read-only) -</a><a id="project-id" style="margin-left: 3px;"></a><a id="open-in-editor-button">Open in Editor</a></a></header>
+  <header><a id="header-content"><a>LaTeX Project Viewer (Read-only) -</a><a id="project-id" style="margin-left: 3px;"></a><a id="open-in-editor-button" class="rounded-button">Open in Editor <svg xmlns="http://www.w3.org/2000/svg" width="11px" height="11px" viewBox="0 0 512 512"><!--!Font Awesome Free 6.7.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2025 Fonticons, Inc.--><path fill="#ffffff" d="M320 0c-17.7 0-32 14.3-32 32s14.3 32 32 32l82.7 0L201.4 265.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0L448 109.3l0 82.7c0 17.7 14.3 32 32 32s32-14.3 32-32l0-160c0-17.7-14.3-32-32-32L320 0zM80 32C35.8 32 0 67.8 0 112L0 432c0 44.2 35.8 80 80 80l320 0c44.2 0 80-35.8 80-80l0-112c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 112c0 8.8-7.2 16-16 16L80 448c-8.8 0-16-7.2-16-16l0-320c0-8.8 7.2-16 16-16l112 0c17.7 0 32-14.3 32-32s-14.3-32-32-32L80 32z"/></svg></a></a></header>
   <main>
     <nav class="sidebar">
+      <div class="subheader">
+        <p class="files-header"><svg xmlns="http://www.w3.org/2000/svg" width="15px" viewBox="0 0 576 512"><!--!Font Awesome Free 6.7.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2025 Fonticons, Inc.--><path fill="#bbbbbb" d="M88.7 223.8L0 375.8 0 96C0 60.7 28.7 32 64 32l117.5 0c17 0 33.3 6.7 45.3 18.7l26.5 26.5c12 12 28.3 18.7 45.3 18.7L416 96c35.3 0 64 28.7 64 64l0 32-336 0c-22.8 0-43.8 12.1-55.3 31.8zm27.6 16.1C122.1 230 132.6 224 144 224l400 0c11.5 0 22 6.1 27.7 16.1s5.7 22.2-.1 32.1l-112 192C453.9 474 443.4 480 432 480L32 480c-11.5 0-22-6.1-27.7-16.1s-5.7-22.2 .1-32.1l112-192z"/></svg> Files:</p>
+      </div>
       <ul id="file-list"></ul>
     </nav>
-    <div class="editor">
-      <pre class="line-numbers"><code id="code" class="language-latex">// Loading...</code></pre>
+    <div class="editor-container">
+      <div class="subheader">
+        <a class="rounded-button left-button" href="zip">Download ZIP
+          <svg xmlns="http://www.w3.org/2000/svg" width="11px" height="11px" viewBox="0 0 512 512"><!--!Font Awesome Free 6.7.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2025 Fonticons, Inc.--><path fill="#ffffff" d="M288 32c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 242.7-73.4-73.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l128 128c12.5 12.5 32.8 12.5 45.3 0l128-128c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L288 274.7 288 32zM64 352c-35.3 0-64 28.7-64 64l0 32c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-32c0-35.3-28.7-64-64-64l-101.5 0-45.3 45.3c-25 25-65.5 25-90.5 0L165.5 352 64 352zm368 56a24 24 0 1 1 0 48 24 24 0 1 1 0-48z"/></svg>
+        </a>
+        <a class="rounded-button right-button" id="download-pdf-button">Download PDF
+          <svg xmlns="http://www.w3.org/2000/svg" width="11px" height="11px" viewBox="0 0 512 512"><!--!Font Awesome Free 6.7.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2025 Fonticons, Inc.--><path fill="#ffffff" d="M288 32c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 242.7-73.4-73.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l128 128c12.5 12.5 32.8 12.5 45.3 0l128-128c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L288 274.7 288 32zM64 352c-35.3 0-64 28.7-64 64l0 32c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-32c0-35.3-28.7-64-64-64l-101.5 0-45.3 45.3c-25 25-65.5 25-90.5 0L165.5 352 64 352zm368 56a24 24 0 1 1 0 48 24 24 0 1 1 0-48z"/></svg></a>
+      </div>
+      <div class="editor">
+        <pre class="line-numbers"><code id="code" class="language-latex">// Loading...</code></pre>
+      </div>
     </div>
     <div id="dragbar"></div>
     <section class="preview-container">
       <div class="preview">
         <iframe id="pdf" title="PDF preview"></iframe>
-        <div id="pdf-error" class="pdf-error">PDF failed to load or was not compiled.</div>
+        <div id="pdf-error" class="pdf-error">PDF failed to load or was not compiled.<br><br>If You are the owner, please recompile the PDF in the editor.</div>
       </div>
     </section>
   </main>
-  <footer>Static viewer for LaTeX projects</footer>
+  <footer>Static viewer for LaTeX projects - by Jonas_Jones</footer>
 
   <script src="/prism.js"></script>
   <script>
@@ -252,8 +292,10 @@
 
         if (pdfToLoad) {
           loadPDF(pdfToLoad);
+          document.getElementById("download-pdf-button").href = pdfToLoad;
         } else {
           showPDFError(true);
+          document.getElementById("download-pdf-button").style.display = "none";
         }
 
       } catch (err) {
