updates to transparency filtering, fixing mass tag edit autocomplete

app/templates/gallery.html

@@ -3,6 +3,11 @@
 {% block title %}Gallery{% endblock %}
 
 {% block content %}
+<!-- Floating Select Button (in navbar area) -->
+<div id="floatingSelectBtn" class="floating-select-btn">
+  <button id="selectModeBtn" class="btn secondary-btn">Select</button>
+</div>
+
 <div class="gallery-infinite-container">
   <!-- Timeline Scrollbar (left sidebar) -->
   <aside id="timelineSidebar" class="timeline-sidebar">
@@ -15,18 +20,13 @@
   <!-- Main Gallery Content -->
   <main class="gallery-main">
     <div class="gallery-header">
-      <div class="gallery-header-left">
-        <h1>Gallery</h1>
-        {% if active_tag %}
-          <div class="active-filter">
-            Filtered by: <span class="filter-tag">{{ active_tag }}</span>
-            <a href="{{ url_for('main.gallery') }}" class="clear-filter" title="Clear filter">×</a>
-          </div>
-        {% endif %}
-      </div>
-      <div class="gallery-header-actions">
-        <button id="selectModeBtn" class="btn secondary-btn">Select</button>
-      </div>
+      <h1>Gallery</h1>
+      {% if active_tag %}
+        <div class="active-filter">
+          Filtered by: <span class="filter-tag">{{ active_tag }}</span>
+          <a href="{{ url_for('main.gallery') }}" class="clear-filter" title="Clear filter">×</a>
+        </div>
+      {% endif %}
     </div>
 
     <!-- Gallery Grid with Date Sections -->