diff --git a/internal/views/templates/base.html b/internal/views/templates/base.html
index 6572b19..239e886 100644
--- a/internal/views/templates/base.html
+++ b/internal/views/templates/base.html
@@ -14,12 +14,30 @@
   <link title="kafka" type="application/opensearchdescription+xml" rel="search" href="/opensearch.xml">
 </head>
 <body class="{{if .Query}}search_on_results{{end}}">
+  <header class="site-header">
+    <span class="site-title">kafka</span>
+    <!-- Desktop trigger (hidden on mobile via CSS) -->
+    <button id="settings-trigger" class="settings-trigger settings-trigger-desktop"
+      aria-label="Preferences" aria-expanded="false" aria-controls="settings-popover">&#9881;</button>
+  </header>
+  <!-- Mobile FAB trigger (shown only on mobile via CSS) -->
+  <button id="settings-trigger-mobile" class="settings-trigger settings-trigger-mobile"
+    aria-label="Preferences" aria-expanded="false" aria-controls="settings-popover"
+    style="display:none;">&#9881;</button>
   <main>
     {{template "content" .}}
   </main>
   <footer>
     <p>Powered by <a href="https://git.ashisgreat.xyz/penal-colony/kafka">kafka</a> — a privacy-respecting, open metasearch engine</p>
   </footer>
+  <script src="/static/js/settings.js"></script>
+  <div id="settings-popover" data-open="false" role="dialog" aria-label="Preferences" aria-modal="true">
+    <div class="settings-popover-header">
+      Preferences
+      <button class="settings-popover-close" aria-label="Close">&#215;</button>
+    </div>
+    <div class="settings-popover-body"></div>
+  </div>
   <script>
   (function () {
     'use strict';
diff --git a/internal/views/views.go b/internal/views/views.go
index 4b5c292..c9e371e 100644
--- a/internal/views/views.go
+++ b/internal/views/views.go
@@ -32,6 +32,7 @@ type PageData struct {
 	Infoboxes           []InfoboxView
 	UnresponsiveEngines [][2]string
 	PageNumbers         []PageNumber
+	ShowHeader          bool
 }
 
 // ResultView is a template-friendly wrapper around a MainResult.
@@ -163,12 +164,13 @@ func FromResponse(resp contracts.SearchResponse, query string, pageno int) PageD
 // RenderIndex renders the homepage (search box only).
 func RenderIndex(w http.ResponseWriter) error {
 	w.Header().Set("Content-Type", "text/html; charset=utf-8")
-	return tmplIndex.ExecuteTemplate(w, "base", PageData{})
+	return tmplIndex.ExecuteTemplate(w, "base", PageData{ShowHeader: true})
 }
 
 // RenderSearch renders the full search results page (with base layout).
 func RenderSearch(w http.ResponseWriter, data PageData) error {
 	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	data.ShowHeader = true
 	return tmplFull.ExecuteTemplate(w, "base", data)
 }
 
