diff --git a/public/index.html b/public/index.html
index 446a675..f53a8be 100644
--- a/public/index.html
+++ b/public/index.html
@@ -322,9 +322,18 @@ pre.raw-line { background: var(--bs-tertiary-bg); padding: .75rem; border-radius
 <div class="modal-content">
   <div class="modal-header"><h5 class="modal-title">Alert Detail</h5><button type="button" class="btn-close" data-bs-dismiss="modal"></button></div>
   <div class="modal-body" id="detailBody"></div>
-  <div class="modal-footer">
-    <button class="btn btn-success btn-sm" id="ackBtn"><i class="bi bi-check-circle"></i> Acknowledge</button>
-    <button class="btn btn-secondary btn-sm" data-bs-dismiss="modal">Close</button>
+  <div class="modal-footer d-flex justify-content-between">
+    <div>
+      <select class="form-select form-select-sm" id="statusSelect">
+        <option value="open">Open</option>
+        <option value="acknowledged">Acknowledge</option>
+        <option value="resolved">Resolved</option>
+      </select>
+    </div>
+    <div>
+      <button class="btn btn-primary btn-sm" id="updateStatusBtn"><i class="bi bi-check2"></i> Update</button>
+      <button class="btn btn-secondary btn-sm" data-bs-dismiss="modal">Close</button>
+    </div>
   </div>
 </div></div></div>
 
@@ -629,7 +638,10 @@ async function loadAlerts() {
         <td class="log-line">${esc(a.message)}</td>
         <td>${esc(a.source_name || '—')}</td>
         <td class="text-secondary" style="white-space:nowrap">${new Date(a.created_at).toLocaleString()}</td>
-        <td>${a.status === 'open' ? `<button class="btn btn-outline-success btn-sm py-0" onclick="event.stopPropagation();ackAlert(${a.id})"><i class="bi bi-check"></i></button>` : ''}</td>
+        <td style="white-space:nowrap">
+          ${a.status === 'open' ? `<button class="btn btn-outline-success btn-sm py-0 me-1" onclick="event.stopPropagation();quickAction(${a.id},'acknowledged')" title="Acknowledge"><i class="bi bi-check"></i></button>` : ''}
+          ${a.status !== 'resolved' ? `<button class="btn btn-outline-secondary btn-sm py-0" onclick="event.stopPropagation();quickAction(${a.id},'resolved')" title="Resolve"><i class="bi bi-check-all"></i></button>` : ''}
+        </td>
       </tr>`).join('');
     }
     const label = query ? 'search results' : 'alerts';
@@ -655,21 +667,30 @@ function showAlert(id) {
       <dt class="col-sm-3">Message</dt><dd class="col-sm-9">${esc(a.message)}</dd>
       <dt class="col-sm-3">Raw Line</dt><dd class="col-sm-9"><pre class="raw-line">${esc(a.raw_line)}</pre></dd>
     </dl>`;
-  document.getElementById('ackBtn').style.display = a.status === 'open' ? '' : 'none';
+  document.getElementById('statusSelect').value = a.status;
   new bootstrap.Modal(document.getElementById('detailModal')).show();
 }
 
-document.getElementById('ackBtn').addEventListener('click', async () => {
-  if (currentAlertId) await ackAlert(currentAlertId);
+document.getElementById('updateStatusBtn').addEventListener('click', async () => {
+  const newStatus = document.getElementById('statusSelect').value;
+  if (currentAlertId) await updateAlertStatus(currentAlertId, newStatus);
   bootstrap.Modal.getInstance(document.getElementById('detailModal')).hide();
 });
 
-async function ackAlert(id) {
+async function updateAlertStatus(id, status) {
   try {
-    await api(`/alerts/${id}/ack`, { method: 'POST' });
-    toast('Alert #' + id + ' acknowledged');
+    await api(`/alerts/${id}/status`, { method: 'POST', body: JSON.stringify({ status }) });
+    toast('Alert #' + id + ' ' + status);
     loadPage(document.querySelector('.sidebar .nav-link.active')?.dataset.page || 'dashboard');
-  } catch (e) { toast('Failed to acknowledge', 'danger'); }
+  } catch (e) { toast('Failed to update status', 'danger'); }
+}
+
+async function quickAction(id, status) {
+  try {
+    await api(`/alerts/${id}/status`, { method: 'POST', body: JSON.stringify({ status }) });
+    toast('Alert #' + id + ' ' + status);
+    loadPage(document.querySelector('.sidebar .nav-link.active')?.dataset.page || 'dashboard');
+  } catch (e) { toast('Failed', 'danger'); }
 }
 
 document.getElementById('filterSeverity').addEventListener('change', loadAlerts);
diff --git a/src/Api/Router.php b/src/Api/Router.php
index 2fc6d4f..05cbdb8 100644
--- a/src/Api/Router.php
+++ b/src/Api/Router.php
@@ -70,6 +70,8 @@ class Router
                 $path === '/alerts/search' && $method === 'GET'  => $this->searchAlerts(),
                 preg_match('#^/alerts/(\d+)/ack$#', $path, $m) && $method === 'POST'
                     => $this->ackAlert((int) $m[1]),
+                preg_match('#^/alerts/(\d+)/status$#', $path, $m) && $method === 'POST'
+                    => $this->updateAlertStatus((int) $m[1]),
                 preg_match('#^/alerts/counts$#', $path) && $method === 'GET'
                     => $this->repo->getAlertCounts(),
 
@@ -198,6 +200,18 @@ class Router
         return ['status' => 'acknowledged', 'id' => $id];
     }
 
+    private function updateAlertStatus(int $id): array
+    {
+        $body = json_decode(file_get_contents('php://input'), true);
+        $status = AlertStatus::tryFrom($body['status'] ?? '');
+        if (!$status) {
+            http_response_code(400);
+            return ['error' => 'Invalid status. Use: open, acknowledged, resolved'];
+        }
+        $this->repo->updateAlertStatus($id, $status);
+        return ['status' => $status->value, 'id' => $id];
+    }
+
     private function searchAlerts(): array
     {
         $query = $_GET['q'] ?? '';