frontend styling and misc fixes

templates/index/signed_in/searchbar.html

@@ -0,0 +1,13 @@
+<div class="">
+  <!-- <div class="card bg-base-100 shadow-xl"> -->
+  <div class="card-body">
+    <h2 class="card-title">
+      Search your content
+    </h2>
+    <input type="text" placeholder="Search your knowledge base" class="input input-bordered w-full" name="query"
+      hx-get="/search" hx-target="#search-results" />
+    <div id="search-results" class="mt-4">
+      <!-- Results will be populated here by HTMX -->
+    </div>
+  </div>
+</div>