Move Add container button into the containers filter toolbar.

Place it next to Clear so the page header stays compact.

index.html

@@ -963,16 +963,11 @@
             <h2><i class="fas fa-cube"></i>Containers</h2>
             <p class="page-subtitle">Lifecycle, logs, stats, and terminals</p>
           </div>
-          <div class="btn-group">
-            <button type="button" class="btn btn-primary" id="add-container-btn" data-min-role="operator" onclick="navigateToView('add-container')">
-              <i class="fas fa-plus me-2"></i>Add container
-            </button>
-          </div>
         </div>
       <!-- Container Filter and Search -->
       <div class="view-toolbar mb-3">
         <div class="row g-2 w-100 m-0">
-          <div class="col-md-4 px-1">
+          <div class="col-md-3 px-1">
             <input type="text" id="container-search" class="form-control" placeholder="Search containers by name or image…">
           </div>
           <div class="col-md-3 px-1">
@@ -994,9 +989,12 @@
               <option value="memory-asc">Sort by Memory (Low-High)</option>
             </select>
           </div>
-          <div class="col-md-2 px-1">
+          <div class="col-md-3 px-1">
             <div class="d-flex gap-2 align-items-center">
-              <button id="clear-filters" class="btn btn-outline-secondary flex-grow-1">Clear</button>
+              <button type="button" id="clear-filters" class="btn btn-outline-secondary flex-grow-1">Clear</button>
+              <button type="button" class="btn btn-primary flex-grow-1 text-nowrap" id="add-container-btn" data-min-role="operator" onclick="navigateToView('add-container')">
+                <i class="fas fa-plus me-1"></i>Add container
+              </button>
             </div>
           </div>
         </div>