footer, title

public/css/styles.css

@@ -151,6 +151,25 @@ input,select,textarea{width:100%;background:transparent;color:var(--text);border
 .k{padding:2px 6px;border-radius:6px;border:1px solid var(--k-border);background:var(--k-bg)}
 .foot{color:var(--muted);font-size:13px;margin-top:20px}
 
+.footer-content {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.source-link {
+  color: var(--accent);
+  text-decoration: none;
+  font-weight: 500;
+  transition: color 0.2s ease;
+  margin-left: auto;
+}
+
+.source-link:hover {
+  color: var(--accent2);
+  text-decoration: underline;
+}
+
 /* ---- Status indicators ---- */
 .status {
   padding: 8px 12px;

public/index.html

@@ -23,7 +23,12 @@
     <main id="view" class="content"></main>
   </div>
 
-  <footer class="wrap foot">No tracking. No server. Everything runs in your browser.</footer>
+  <footer class="wrap foot">
+    <div class="footer-content">
+      <span>No tracking. No server. Everything runs in your browser.</span>
+      <a href="https://code.disobey.net/whilb/calculator.127local.net" target="_blank" rel="noopener noreferrer" class="source-link">Source Code</a>
+    </div>
+  </footer>
   <script type="module" src="/js/app.js"></script>
 </body>
 </html>

public/js/app.js

@@ -109,6 +109,10 @@ async function ensureMounted(id){
     card.innerHTML = '';
     card.append(el('h2',{}, calc.name || meta.name));
     if(calc.about) card.append(el('div',{class:'muted'}, calc.about));
+    
+    // Update page title with calculator name
+    document.title = `${calc.name || meta.name} - calculator.127local.net`;
+    
     calc.render(card);
     enhanceSelects(card);
   }catch(e){
@@ -142,6 +146,10 @@ async function show(id, params){
     const card = await ensureMounted(id);
     viewEl.append(card);
     attachUrlSync(card, id);
+  } else {
+    // Update title for already cached calculators
+    const meta = metaById(id);
+    document.title = `${meta.name} - calculator.127local.net`;
   }
   paramsToForm(viewCache.get(id), params);
 }