diff --git a/site/src/Controller/DisplayController.php b/site/src/Controller/DisplayController.php
index c0e48eb..898aa0e 100644
--- a/site/src/Controller/DisplayController.php
+++ b/site/src/Controller/DisplayController.php
@@ -3,20 +3,29 @@ namespace Pcrt\Component\Circolari\Site\Controller;
 
 \defined('_JEXEC') or die;
 
+use Joomla\CMS\Factory;
 use Joomla\CMS\MVC\Controller\BaseController;
 
 class DisplayController extends BaseController
 {
-    protected $default_view = 'circolare'; // default se manca ?view=
-
     public function display($cachable = false, $urlparams = [])
     {
-        // Se qualcuno forza un view strano, non rompiamo
-        $view = $this->input->getCmd('view', $this->default_view);
-        if (!in_array($view, ['circolare'], true)) {
-            $view = $this->default_view;
-            $this->input->set('view', $view);
+        $app   = Factory::getApplication();
+        $in    = $app->input;
+
+        $view  = $in->getCmd('view', '');
+        $id    = $in->getInt('id', 0);
+
+        if ($id > 0) {
+            // Singolo solo se c'è l'id
+            $in->set('view', 'circolare');
+        } else {
+            // Nessun id: forziamo la lista (anche se il menu chiede "circolare")
+            if ($view === '' || $view === 'circolare' || $view === 'category') {
+                $in->set('view', 'circolari'); // <- lista
+            }
         }
+
         return parent::display($cachable, $urlparams);
     }
 }
diff --git a/site/src/Model/CircolareModel.php b/site/src/Model/CircolareModel.php
index 9168335..0bbcf6a 100644
--- a/site/src/Model/CircolareModel.php
+++ b/site/src/Model/CircolareModel.php
@@ -3,31 +3,56 @@ namespace Pcrt\Component\Circolari\Site\Model;
 
 \defined('_JEXEC') or die;
 
-use Joomla\CMS\Factory;
 use Joomla\CMS\MVC\Model\ItemModel;
+use Joomla\CMS\Factory;
 
 class CircolareModel extends ItemModel
 {
-    protected function populateState(): void
+    protected function populateState()
     {
         $app = Factory::getApplication();
-        $this->setState('circolare.id', (int) $app->input->getInt('id'));
+        $id  = $app->input->getInt('id', 0);
+        $this->setState('circolare.id', $id);
+
+        $catid = $app->input->getInt('catid', 0);
+        $this->setState('filter.catid', $catid);
         parent::populateState();
     }
 
     public function getItem($pk = null)
     {
-        $pk = $pk ?: (int) $this->getState('circolare.id');
-        if (!$pk) return null;
+        $pk = (int) ($pk ?: $this->getState('circolare.id'));
 
-        $db = Factory::getContainer()->get('DatabaseDriver');
+        if ($pk <= 0) {
+            return null;
+        }
+
+        $db = $this->getDatabase();
         $q  = $db->getQuery(true)
-            ->select('*')
-            ->from($db->quoteName('#__circolari'))
-            ->where($db->quoteName('id') . ' = ' . (int) $pk)
-            ->where($db->quoteName('state') . ' = 1');
-        $db->setQuery($q);
+            ->select('c.*')                           // <<< evita errori di colonne
+            ->from($db->quoteName('#__circolari') . ' AS c')
+            ->where('c.id = ' . (int) $pk);
 
-        return $db->loadObject();
+        // Se esistono le colonne, applica filtri
+        $cols = array_change_key_case(
+            $db->getTableColumns($db->replacePrefix('#__circolari'), false),
+            CASE_LOWER
+        );
+
+        // catid (se impostato e colonna esiste)
+        $catid = (int) $this->getState('filter.catid', 0);
+        if ($catid > 0 && isset($cols['catid'])) {
+            $q->where('c.catid = ' . $catid);
+        }
+
+        // stato (se colonna esiste)
+        if (isset($cols['state'])) {
+            $q->where('COALESCE(c.state, 1) = 1');
+        }
+
+        $db->setQuery($q);
+        $row = $db->loadObject();
+
+        return $row ?: null;
     }
 }
diff --git a/site/src/Model/CircolariModel.php b/site/src/Model/CircolariModel.php
new file mode 100644
index 0000000..19470bd
--- /dev/null
+++ b/site/src/Model/CircolariModel.php
@@ -0,0 +1,119 @@
+<?php
+namespace Pcrt\Component\Circolari\Site\Model;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\MVC\Model\ListModel;
+
+class CircolariModel extends ListModel
+{
+    protected $context = 'com_circolari.circolari';
+
+    // campi ammessi per sort
+    protected $filter_fields = [
+        'id', 'c.id',
+        'title', 'c.title',
+        'created', 'c.created',
+        'hits', 'c.hits',
+        'catid', 'c.catid',
+        'state', 'c.state',
+    ];
+
+    protected function populateState($ordering = 'c.created', $direction = 'DESC')
+    {
+        $app = Factory::getApplication();
+
+        // paging
+        $limit = $app->getUserStateFromRequest($this->context . '.list.limit', 'limit', $app->get('list_limit'), 'uint');
+        $this->setState('list.limit', $limit);
+
+        $start = $app->getUserStateFromRequest($this->context . '.list.start', 'limitstart', 0, 'uint');
+        $this->setState('list.start', $start);
+
+        // sorting
+        $orderCol = $app->getUserStateFromRequest($this->context . '.list.ordering', 'filter_order', $ordering, 'cmd');
+        if (!\in_array($orderCol, $this->filter_fields, true)) {
+            $orderCol = $ordering;
+        }
+        $this->setState('list.ordering', $orderCol);
+
+        $orderDirn = strtoupper($app->getUserStateFromRequest($this->context . '.list.direction', 'filter_order_Dir', $direction, 'cmd'));
+        $this->setState('list.direction', $orderDirn === 'ASC' ? 'ASC' : 'DESC');
+
+        // filtro testuale
+        $search = $app->getUserStateFromRequest($this->context . '.list.filter', 'filter-search', '', 'string');
+        $this->setState('list.filter', $search);
+
+        // categoria (se usi catid)
+        $this->setState('filter.catid', $app->input->getInt('catid', 0));
+
+        parent::populateState($ordering, $direction);
+    }
+
+    protected function getListQuery()
+    {
+        $db = $this->getDatabase();
+        $q  = $db->getQuery(true)
+            ->select('c.*')
+            ->from($db->quoteName('#__circolari', 'c'));
+
+        // colonne effettive in tabella
+        $cols = array_change_key_case($db->getTableColumns($db->replacePrefix('#__circolari')));
+
+        // pubblicati
+        if (isset($cols['state'])) {
+            $q->where('COALESCE(c.state,1)=1');
+        }
+
+        // catid
+        $catid = (int) $this->getState('filter.catid', 0);
+        if ($catid > 0 && isset($cols['catid'])) {
+            $q->where('c.catid=' . $catid);
+        }
+
+        // search su title
+        $search = trim((string) $this->getState('list.filter', ''));
+        if ($search !== '' && isset($cols['title'])) {
+            $like = $db->quote('%' . $db->escape($search, true) . '%', false);
+            $q->where('c.title LIKE ' . $like);
+        }
+
+        // ordinamento
+        $orderCol = $this->getState('list.ordering', 'c.created');
+        $orderDir = $this->getState('list.direction', 'DESC');
+        $q->order($db->escape($orderCol . ' ' . $orderDir));
+
+        return $q;
+    }
+
+    // conteggio robusto (gestisce DISTINCT/GROUP BY)
+    public function getTotal()
+    {
+        if (isset($this->total)) {
+            return $this->total;
+        }
+
+        $db  = $this->getDatabase();
+        $sub = $this->getListQuery();
+        $query = $db->getQuery(true)
+            ->select('COUNT(*)')
+            ->from('(' . $sub . ') AS x');
+
+        $db->setQuery($query);
+        $this->total = (int) $db->loadResult();
+
+        return $this->total;
+    }
+
+    public function getItems()
+    {
+        $items = parent::getItems();
+        if (!\is_array($items)) {
+            return [];
+        }
+        return array_values(array_filter($items, static function ($it) {
+            return \is_object($it) && !empty($it->id);
+        }));
+    }
+}
diff --git a/site/src/Service/Category.php b/site/src/Service/Category.php
deleted file mode 100644
index c39c186..0000000
--- a/site/src/Service/Category.php
+++ /dev/null
@@ -1,21 +0,0 @@
-<?php
-
-/**
- * @version    CVS: 1.0.0
- * @package    Com_Circolari
- * @author     Tommaso Cippitelli <tommaso.cippitelli@protocollicreativi.it>
- * @copyright  2025 Tommaso Cippitelli
- * @license    GNU General Public License version 2 or later; see LICENSE.txt
- */
-
-namespace Pcrt\Component\Circolari\Site\Service;
-// No direct access
-defined('_JEXEC') or die;
-
-use \Joomla\CMS\Categories\Categories;
-/**
- * Content Component Category Tree
- *
- * @since  1.0.0
- */
-
diff --git a/site/src/View/Circolare/HtmlView.php b/site/src/View/Circolare/HtmlView.php
index 08146db..4e8a012 100644
--- a/site/src/View/Circolare/HtmlView.php
+++ b/site/src/View/Circolare/HtmlView.php
@@ -3,35 +3,50 @@ namespace Pcrt\Component\Circolari\Site\View\Circolare;
 
 \defined('_JEXEC') or die;
 
-use Joomla\CMS\Language\Text;
+use Joomla\CMS\Factory;
 use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
+use Joomla\CMS\Language\Text;
 
 class HtmlView extends BaseHtmlView
 {
     protected $item;
+    public $items = [];
+    public $pagination;
+    public $state;
 
     public function display($tpl = null)
     {
+        // Carica la singola
         $this->item = $this->get('Item');
 
-        if (!$this->item) {
-            throw new \Exception(Text::_('COM_CIRCOLARI_ITEM_NOT_FOUND'), 404);
-        }
+        // Se NON c'è l'item → mostra la lista
+       if (!$this->item) {
+    $app     = \Joomla\CMS\Factory::getApplication();
+    $factory = $app->bootComponent('com_circolari')->getMVCFactory();
 
-        // Se il layout non c'è, stampa un fallback minimale (debug-friendly)
-        $tplPath = JPATH_COMPONENT_SITE . '/tmpl/circolare/default.php';
-        if (!is_file($tplPath)) {
-            $title = htmlspecialchars($this->item->title ?? 'Circolare');
-            $body  = $this->item->description ?? $this->item->testo ?? $this->item->descrizione ?? '';
-            $html  = '<article class="com-content-article item-page">'
-                   . '<header class="page-header"><h1 class="page-title">'.$title.'</h1></header>'
-                   . '<div class="article-body">'.$body.'</div>'
-                   . '</article>';
+    /** @var \Pcrt\Component\Circolari\Site\Model\CircolariModel $model */
+    $model = $factory->createModel('Circolari', 'Site', ['ignore_request' => true]);
 
-            $this->document->setBuffer($html, 'component');
-            return;
-        }
+    // Imposta gli stati MANUALMENTE (niente populateState: è protected)
+    $model->setState('filter.catid', 0);          // nessun filtro categoria
+    $model->setState('list.start', 0);
+    $model->setState('list.limit', 0);            // 0 = nessun limite (tutte)
+    $model->setState('list.ordering', 'c.id');    // colonna di ordinamento
+    $model->setState('list.direction', 'DESC');   // direzione
 
-        parent::display($tpl);
+    // Recupera i dati
+    $this->state      = $model->getState();
+    $this->items      = $model->getItems();
+    $this->pagination = $model->getPagination();
+
+    // Usa il layout della lista (tmpl/circolari/default.php)
+    $this->setLayout('default');
+    $this->addTemplatePath(JPATH_COMPONENT_SITE . '/tmpl/circolari');
+
+    return parent::display($tpl);
+}
+
+        // Rendering normale della singola
+        return parent::display($tpl);
     }
 }
diff --git a/site/src/View/Circolari/HtmlView.php b/site/src/View/Circolari/HtmlView.php
new file mode 100644
index 0000000..64b5742
--- /dev/null
+++ b/site/src/View/Circolari/HtmlView.php
@@ -0,0 +1,21 @@
+<?php
+namespace Pcrt\Component\Circolari\Site\View\Circolari;
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
+
+class HtmlView extends BaseHtmlView
+{
+    public $items;
+    public $pagination;
+    public $state;
+
+    public function display($tpl = null)
+    {
+        $this->state      = $this->get('State');
+        $this->items      = $this->get('Items');
+        $this->pagination = $this->get('Pagination');
+        return parent::display($tpl);
+    }
+}
diff --git a/site/tmpl/category/default.xml b/site/tmpl/category/default.xml
deleted file mode 100644
index 136089d..0000000
--- a/site/tmpl/category/default.xml
+++ /dev/null
@@ -1,33 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<metadata>
-  <!-- titolo del tipo voce di menu, visibile nel backend -->
-  <layout title="COM_CIRCOLARI_MENU_CATEGORY" option="com_circolari" />
-
-  <!-- campi che finiscono nella query dell'URL -->
-  <fields name="request">
-    <fieldset name="request">
-      <!-- forza la view "category" -->
-      <field name="view" type="hidden" default="category" />
-      <!-- scegli la categoria di Joomla (com_content) che fa da base del percorso -->
-      <field
-        name="id"
-        type="category"
-        extension="com_content"
-        label="JCATEGORY"
-        description="Seleziona la categoria di com_content da usare come base del percorso URL."
-        required="true"
-        default="11"
-      />
-    </fieldset>
-  </fields>
-
-  <!-- parametri opzionali della voce (non obbligatori) -->
-  <fields name="params">
-    <fieldset name="basic" label="JOPTIONS">
-      <field name="show_category_title" type="radio" label="COM_CIRCOLARI_SHOW_CATEGORY_TITLE" default="0">
-        <option value="0">JHIDE</option>
-        <option value="1">JSHOW</option>
-      </field>
-    </fieldset>
-  </fields>
-</metadata>
diff --git a/site/tmpl/circolari/default.php b/site/tmpl/circolari/default.php
new file mode 100644
index 0000000..98dca2d
--- /dev/null
+++ b/site/tmpl/circolari/default.php
@@ -0,0 +1,67 @@
+<?php
+// ... intestazione invariata ...
+
+// $listOrder / $listDirn / $filter già come li hai
+$Itemid = (int) ($input->getInt('Itemid') ?: 0);
+?>
+<form action="<?php echo htmlspecialchars(Uri::getInstance()->toString(), ENT_QUOTES, 'UTF-8'); ?>"
+      method="post"
+      name="adminForm"
+      id="adminForm"
+      class="com-content-category__articles">
+
+    <!-- filtro -->
+    <!-- (invariato) -->
+
+    <!-- Limite per pagina -->
+    <?php if ($pagination && \method_exists($pagination, 'getLimitBox')) : ?>
+      <div class="com-content-category__pagination btn-group float-end">
+        <label for="limit" class="visually-hidden"><?php echo Text::_('JGLOBAL_DISPLAY_NUM'); ?></label>
+        <?php echo $pagination->getLimitBox(); ?>
+      </div>
+    <?php endif; ?>
+
+    <!-- tabella -->
+    <table class="com-content-category__table category table table-striped table-bordered table-hover mt-3">
+      <thead>
+        <tr>
+          <th scope="col" id="circolari_header_title">
+            <?php echo HTMLHelper::_('grid.sort', 'JGLOBAL_TITLE', 'c.title', $listDirn, $listOrder, null, 'asc', '', 'adminForm'); ?>
+          </th>
+          <th scope="col" id="circolari_header_date" class="small">
+            <?php echo HTMLHelper::_('grid.sort', Text::_('JDATE'), 'c.created', $listDirn, $listOrder, null, 'asc', '', 'adminForm'); ?>
+          </th>
+          <th scope="col" id="circolari_header_attachment" class="text-center">
+            <?php echo Text::_('COM_CIRCOLARI_ATTACHMENT') ?: 'Allegato'; ?>
+          </th>
+          <th scope="col" id="circolari_header_hits" class="text-end">
+            <?php echo HTMLHelper::_('grid.sort', 'JGLOBAL_HITS', 'c.hits', $listDirn, $listOrder, null, 'asc', '', 'adminForm'); ?>
+          </th>
+        </tr>
+      </thead>
+      <!-- tbody invariato -->
+    </table>
+
+    <!-- paginazione -->
+    <?php if ($pagination && $pagination->pagesTotal > 1) : ?>
+      <div class="com-content-category__navigation w-100">
+        <p class="com-content-category__counter counter float-end pt-3 pe-2">
+          <?php echo $pagination->getPagesCounter(); ?>
+        </p>
+        <div class="com-content-category__pagination">
+          <?php echo $pagination->getPagesLinks(); ?>
+        </div>
+      </div>
+    <?php endif; ?>
+
+    <!-- hidden -->
+    <div>
+      <input type="hidden" name="option" value="com_circolari">
+      <input type="hidden" name="view" value="circolari">
+      <?php if ($Itemid) : ?><input type="hidden" name="Itemid" value="<?php echo $Itemid; ?>"><?php endif; ?>
+      <input type="hidden" name="filter_order" value="<?php echo $listOrder; ?>">
+      <input type="hidden" name="filter_order_Dir" value="<?php echo $listDirn; ?>">
+      <input type="hidden" name="limitstart" value="<?php echo (int) ($pagination?->limitstart ?? 0); ?>">
+      <?php echo HTMLHelper::_('form.token'); ?>
+    </div>
+</form>
diff --git a/site/tmpl/circolari/default.xml b/site/tmpl/circolari/default.xml
new file mode 100644
index 0000000..6582bc2
--- /dev/null
+++ b/site/tmpl/circolari/default.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<metadata>
+  <layout title="COM_CIRCOLARI_MENU_LIST" option="com_circolari" />
+  <fields name="request">
+    <fieldset name="request">
+      <field name="view" type="hidden" default="circolari" />
+      <field name="catid" type="category" extension="com_content" label="JCATEGORY" required="false" />
+    </fieldset>
+  </fields>
+</metadata>