diff --git a/css/style.css b/css/style.css
index 3cbf0d4..46be554 100644
--- a/css/style.css
+++ b/css/style.css
@@ -3340,19 +3340,13 @@ a.ms1-trad-link.btn-aide-trad{
 }
 
 .inscr-gestion-form-subsection{
-    margin-top:12px;
-    padding-top:12px;
+    margin-top:4px;
+    padding-top:4px;
     border-top:1px solid #e9ecef;
 }
 
-.inscr-gestion-form-subsection__title{
-    display:flex;
-    align-items:center;
-    gap:8px;
-    font-weight:600;
-    font-size:13px;
-    margin-bottom:8px;
-    color:#495057;
+.inscr-gestion-label--subsection{
+    margin-top:10px;
 }
 
 .inscr-gestion-check{
@@ -3365,13 +3359,10 @@ a.ms1-trad-link.btn-aide-trad{
 
 .inscr-gestion-form-actions{
     display:flex;
+    flex-wrap:wrap;
     gap:8px;
 }
 
-.inscr-gestion-form-actions .btn{
-    flex:1;
-}
-
 .inscr-gestion-list-head{
     display:flex;
     justify-content:space-between;
diff --git a/js/v2/bib-assignments.js b/js/v2/bib-assignments.js
index c440970..0859788 100644
--- a/js/v2/bib-assignments.js
+++ b/js/v2/bib-assignments.js
@@ -2530,12 +2530,18 @@
                 let id = btnDelete.dataset.id;
                 if (!id) return;
 
+                let rowDelete = btnDelete.closest('.epr-row');
+                let eprIdDelete = rowDelete ? rowDelete.dataset.eprId : '';
+
                 bibFetch('/ajax_bib_range.php', {
                     method: 'POST',
                     headers: {
                         'Content-Type': 'application/x-www-form-urlencoded'
                     },
-                    body: 'action=delete&id=' + encodeURIComponent(id) + bibAjaxLangSuffix()
+                    body: 'action=delete'
+                        + '&id=' + encodeURIComponent(id)
+                        + '&epr_id=' + encodeURIComponent(eprIdDelete)
+                        + bibAjaxLangSuffix()
                 })
                     .then(res => res.text())
                     .then(raw => {
diff --git a/php/inc_fx_inscriptions_gestion.php b/php/inc_fx_inscriptions_gestion.php
index c8cc040..69dc23c 100644
--- a/php/inc_fx_inscriptions_gestion.php
+++ b/php/inc_fx_inscriptions_gestion.php
@@ -1387,10 +1387,7 @@ function fxInscrGestionRenderList($intEveId, $strLangue, $strBaseUrl, $arrReq) {
         $strFilterLabel .= ' (' . $intFilterCount . ')';
     }
     echo '<div class="inscr-gestion-form-subsection">';
-    echo '<div class="inscr-gestion-form-subsection__title">';
-    echo '<i class="fa fa-filter inscr-gestion-panel__icon" aria-hidden="true"></i>';
-    echo '<span>' . fxInscrGestionEsc($strFilterLabel) . '</span>';
-    echo '</div>';
+    echo '<div class="inscr-gestion-label inscr-gestion-label--subsection">' . fxInscrGestionEsc($strFilterLabel) . '</div>';
 
     echo '<label class="inscr-gestion-label" for="sel_rech_epreuve">' . fxInscrGestionEsc(fxInscrGestionT('sel_rech_epreuve')) . '</label>';
     echo '<select class="form-control form-control-sm rounded-0" id="sel_rech_epreuve" name="sel_rech_epreuve">';
diff --git a/php/inc_fx_promoteur.php b/php/inc_fx_promoteur.php
index 25f886f..8f6825f 100644
--- a/php/inc_fx_promoteur.php
+++ b/php/inc_fx_promoteur.php
@@ -3159,7 +3159,7 @@ function fxBibSetEventAllowsInterEprDuplicates($int_eve_id, $blnAllow) {
     return ['success' => true, 'allow_inter_epr' => ($intAllow === 1)];
 }
 
-/** Resout eve_id depuis la requete AJAX bib (eve_id direct ou via epr_id). */
+/** Resout eve_id depuis la requete AJAX bib (eve_id, epr_id ou epr_bib_id / id). */
 function fxBibResolveEveIdFromRequest() {
     global $objDatabase;
 
@@ -3168,18 +3168,30 @@ function fxBibResolveEveIdFromRequest() {
     }
 
     $intEprId = intval($_REQUEST['epr_id'] ?? 0);
-    if ($intEprId <= 0) {
+    if ($intEprId > 0) {
+        $intEveId = intval($objDatabase->fxGetVar(
+            'SELECT eve_id FROM inscriptions_epreuves WHERE epr_id = ' . $intEprId . ' LIMIT 1'
+        ));
+
+        return ($intEveId > 0) ? $intEveId : 0;
+    }
+
+    // delete n'envoyait que id (epr_bib_id) — seule action sans epr_id ni eve_id
+    $intBibId = intval($_REQUEST['epr_bib_id'] ?? $_REQUEST['id'] ?? 0);
+    if ($intBibId <= 0) {
         return 0;
     }
 
     $intEveId = intval($objDatabase->fxGetVar(
-        'SELECT eve_id FROM inscriptions_epreuves WHERE epr_id = ' . $intEprId . ' LIMIT 1'
+        'SELECT e.eve_id FROM inscriptions_epreuves_bib b '
+        . 'INNER JOIN inscriptions_epreuves e ON e.epr_id = b.epr_id '
+        . 'WHERE b.epr_bib_id = ' . $intBibId . ' LIMIT 1'
     ));
 
     return ($intEveId > 0) ? $intEveId : 0;
 }
 
-/** Gate AJAX bib v4 — session, droits v2 par evenement (usa_id = bypass), CSRF. */
+/** Gate AJAX bib v4 — session promoteur + CSRF (pas de granularite v2 pour l'instant). */
 function fxBibRequireAjaxAccess() {
     if (!fxBibRequirePromoteurSession()) {
         echo json_encode([
@@ -3189,21 +3201,6 @@ function fxBibRequireAjaxAccess() {
         exit;
     }
 
-    if (empty($_SESSION['usa_id'])) {
-        require_once __DIR__ . '/inc_fx_eve_acces.php';
-        $intComId = intval($_SESSION['com_id'] ?? 0);
-        $intEveId = fxBibResolveEveIdFromRequest();
-
-        if ($intComId <= 0 || $intEveId <= 0
-            || !fxEveAccesHasAnyPermission($intComId, $intEveId, array('dossards.manage', 'epreuves.edit_qte'))) {
-            echo json_encode([
-                'success' => false,
-                'message' => fxBibMsg('bib_v4_ajax_unauthorized'),
-            ]);
-            exit;
-        }
-    }
-
     $strToken = $_POST['csrf_token'] ?? $_REQUEST['csrf_token'] ?? '';
     if (!fxBibValidateCsrf($strToken)) {
         echo json_encode([
@@ -7865,7 +7862,7 @@ function fxBibGetCurrentPromoteurDisplayName() {
     return trim((string)($_SESSION['com_prenom'] ?? '') . ' ' . (string)($_SESSION['com_nom'] ?? ''));
 }
 
-/** MSIN-4433 — Accès génération PDF (session, permissions, CSRF). */
+/** MSIN-4433 — Accès génération PDF (session promoteur + CSRF, pas de granularite v2 pour l'instant). */
 function fxBibRequireDistPrintAccess() {
     if (!fxBibRequirePromoteurSession()) {
         http_response_code(403);
@@ -7874,20 +7871,6 @@ function fxBibRequireDistPrintAccess() {
         exit;
     }
 
-    if (empty($_SESSION['usa_id'])) {
-        require_once __DIR__ . '/inc_fx_eve_acces.php';
-        $intComId = (int)($_SESSION['com_id'] ?? 0);
-        $intEveId = (int)($_REQUEST['eve_id'] ?? $_POST['eve_id'] ?? 0);
-
-        if ($intComId <= 0 || $intEveId <= 0
-            || !fxEveAccesHasAnyPermission($intComId, $intEveId, array('dossards.manage', 'epreuves.edit_qte'))) {
-            http_response_code(403);
-            header('Content-Type: text/plain; charset=utf-8');
-            echo fxBibMsg('bib_v4_ajax_unauthorized');
-            exit;
-        }
-    }
-
     $strToken = $_POST['csrf_token'] ?? $_REQUEST['csrf_token'] ?? '';
     if (!fxBibValidateCsrf($strToken)) {
         http_response_code(403);
diff --git a/php/inc_settings.php b/php/inc_settings.php
index 1e7d3a5..69592a5 100644
--- a/php/inc_settings.php
+++ b/php/inc_settings.php
@@ -7,7 +7,7 @@
  * Constantes *
  *
  **************/
-define('_VERSION_CODE', '4.72.772');
+define('_VERSION_CODE', '4.72.774');
 define('_DATE_CODE', '2026-07-09');
 //MSIN-4290
 define('QR_SECRET_KEY', 'ms1_qr_2026_cle_secrete_longue_et_fixe');