diff --git a/backend/src/routes/auditLogs.js b/backend/src/routes/auditLogs.js
index 584597b..e028407 100644
--- a/backend/src/routes/auditLogs.js
+++ b/backend/src/routes/auditLogs.js
@@ -13,6 +13,24 @@ function purgeOldLogs() {
   db.prepare("DELETE FROM audit_logs WHERE created_at < datetime('now', '-30 days')").run();
 }
 
+// ── Classification succès / avertissement / échec par action ──────────────
+// IMPORTANT : garder cette liste synchronisée avec ACTION_STATUS dans
+// frontend/src/pages/admin/AuditLogsSection.jsx (icônes + libellés).
+const STATUS_ACTIONS = {
+  success: ['login_success', 'login_2fa_success', 'user_registered', 'user_created', 'email_verified_admin', 'invitation_accepted', 'invitation_sent', '2fa_enabled'],
+  warning: ['role_changed', 'status_changed', '2fa_disabled', 'user_deleted', 'account_self_deleted'],
+  failure: ['login_failed'],
+};
+const STATUS_CASE_SQL = `
+  CASE
+    WHEN al.action IN (${STATUS_ACTIONS.success.map(() => '?').join(',')}) THEN 'success'
+    WHEN al.action IN (${STATUS_ACTIONS.warning.map(() => '?').join(',')}) THEN 'warning'
+    WHEN al.action IN (${STATUS_ACTIONS.failure.map(() => '?').join(',')}) THEN 'failure'
+    ELSE NULL
+  END
+`;
+const STATUS_CASE_PARAMS = [...STATUS_ACTIONS.success, ...STATUS_ACTIONS.warning, ...STATUS_ACTIONS.failure];
+
 // ── GET / — liste paginée avec filtres ────────────────────────────────────
 router.get('/', (req, res, next) => {
   try {
@@ -22,37 +40,48 @@ router.get('/', (req, res, next) => {
     const limit    = Math.min(Number(req.query.limit) || 50, 200);
     const offset   = (page - 1) * limit;
     const category = req.query.category   || null;
+    const status   = req.query.status     || null;   // 'success' | 'warning' | 'failure'
     const search   = req.query.search     || null;   // filtre sur email acteur ou cible
     const dateFrom = req.query.dateFrom   || null;
     const dateTo   = req.query.dateTo     || null;
     const userId   = req.query.userId     ? Number(req.query.userId) : null;
 
-    const conditions = [];
-    const params     = [];
+    // Conditions communes (hors statut) — réutilisées pour les compteurs par statut,
+    // qui doivent rester visibles/à jour même quand un statut est déjà sélectionné.
+    const baseConditions = [];
+    const baseParams     = [];
 
     if (category) {
-      conditions.push('al.category = ?');
-      params.push(category);
+      baseConditions.push('al.category = ?');
+      baseParams.push(category);
     }
     if (userId) {
-      conditions.push('(al.actor_id = ? OR al.target_user_id = ?)');
-      params.push(userId, userId);
+      baseConditions.push('(al.actor_id = ? OR al.target_user_id = ?)');
+      baseParams.push(userId, userId);
     }
     if (search) {
-      conditions.push('(actor.email LIKE ? OR target.email LIKE ? OR actor.display_name LIKE ? OR target.display_name LIKE ?)');
+      baseConditions.push('(actor.email LIKE ? OR target.email LIKE ? OR actor.display_name LIKE ? OR target.display_name LIKE ?)');
       const like = `%${search}%`;
-      params.push(like, like, like, like);
+      baseParams.push(like, like, like, like);
     }
     if (dateFrom) {
-      conditions.push('al.created_at >= ?');
-      params.push(dateFrom);
+      baseConditions.push('al.created_at >= ?');
+      baseParams.push(dateFrom);
     }
     if (dateTo) {
-      conditions.push('al.created_at <= ?');
-      params.push(dateTo + ' 23:59:59');
+      baseConditions.push('al.created_at <= ?');
+      baseParams.push(dateTo + ' 23:59:59');
     }
 
-    const where = conditions.length ? `WHERE ${conditions.join(' AND ')}` : '';
+    const conditions = [...baseConditions];
+    const params     = [...baseParams];
+    if (status) {
+      conditions.push(`(${STATUS_CASE_SQL}) = ?`);
+      params.push(...STATUS_CASE_PARAMS, status);
+    }
+
+    const where     = conditions.length     ? `WHERE ${conditions.join(' AND ')}`         : '';
+    const baseWhere = baseConditions.length ? `WHERE ${baseConditions.join(' AND ')}` : '';
 
     const rows = db.prepare(`
       SELECT
@@ -85,13 +114,41 @@ router.get('/', (req, res, next) => {
       ${where}
     `).get(...params).n;
 
-    // Parser les details JSON
-    const parsed = rows.map(r => ({
-      ...r,
-      details: r.details ? (() => { try { return JSON.parse(r.details); } catch { return r.details; } })() : null,
-    }));
+    // Compteurs par statut, calculés avec les mêmes filtres (catégorie/recherche/dates)
+    // mais SANS le filtre statut lui-même, pour permettre de basculer entre statuts.
+    const statusRows = db.prepare(`
+      SELECT (${STATUS_CASE_SQL}) AS ev_status, COUNT(*) AS n
+      FROM audit_logs al
+      LEFT JOIN users actor  ON actor.id  = al.actor_id
+      LEFT JOIN users target ON target.id = al.target_user_id
+      ${baseWhere}
+      GROUP BY ev_status
+    `).all(...STATUS_CASE_PARAMS, ...baseParams);
 
-    res.json({ total, page, limit, rows: parsed });
+    const statusCounts = { success: 0, warning: 0, failure: 0 };
+    for (const r of statusRows) {
+      if (r.ev_status && statusCounts[r.ev_status] !== undefined) statusCounts[r.ev_status] = r.n;
+    }
+
+    // Parser les details JSON
+    const parsed = rows.map(r => {
+      const details = r.details ? (() => { try { return JSON.parse(r.details); } catch { return r.details; } })() : null;
+      // Repli sur les infos figées dans "details" quand l'utilisateur (acteur et/ou cible)
+      // a depuis été supprimé — son FK passe à NULL (ON DELETE SET NULL) mais l'email/nom
+      // saisis au moment de l'action restent lisibles pour les admins.
+      const fallbackName  = details && typeof details === 'object' ? (details.display_name || null) : null;
+      const fallbackEmail = details && typeof details === 'object' ? (details.email || null) : null;
+      return {
+        ...r,
+        details,
+        actor_name:  r.actor_name  ?? (r.actor_id  == null ? fallbackName  : null),
+        actor_email: r.actor_email ?? (r.actor_id  == null ? fallbackEmail : null),
+        target_name: r.target_name ?? (r.target_id == null ? fallbackName  : null),
+        target_email:r.target_email?? (r.target_id == null ? fallbackEmail: null),
+      };
+    });
+
+    res.json({ total, page, limit, rows: parsed, statusCounts });
   } catch (e) { next(e); }
 });
 
diff --git a/frontend/src/pages/admin/AuditLogsSection.jsx b/frontend/src/pages/admin/AuditLogsSection.jsx
index 29eedb3..91482ff 100644
--- a/frontend/src/pages/admin/AuditLogsSection.jsx
+++ b/frontend/src/pages/admin/AuditLogsSection.jsx
@@ -12,39 +12,59 @@ const CATEGORY_META = {
   invitation: { label: 'Invitation',  color: '#6366f1' },
 };
 
-const ACTION_LABELS = {
-  login_success:       'Connexion réussie',
-  login_failed:        'Échec de connexion',
-  login_2fa_success:   'Connexion 2FA réussie',
-  user_registered:     'Auto-inscription',
-  user_created:        'Compte créé (admin)',
-  user_deleted:        'Compte supprimé',
-  email_verified_admin:'Email vérifié (admin)',
-  role_changed:        'Rôle modifié',
-  status_changed:      'Statut modifié',
-  '2fa_enabled':       '2FA activé',
-  '2fa_disabled':      '2FA désactivé',
-  invitation_sent:     'Invitation envoyée',
-  invitation_accepted: 'Invitation acceptée',
+// ── Statut succès / avertissement / échec par action ───────────────────────
+// IMPORTANT : garder synchronisé avec STATUS_ACTIONS dans backend/src/routes/auditLogs.js
+const ACTION_STATUS = {
+  login_success:        'success',
+  login_2fa_success:    'success',
+  user_registered:      'success',
+  user_created:         'success',
+  email_verified_admin: 'success',
+  invitation_accepted:  'success',
+  invitation_sent:      'success',
+  '2fa_enabled':         'success',
+
+  role_changed:         'warning',
+  status_changed:       'warning',
+  '2fa_disabled':        'warning',
+  user_deleted:         'warning',
+  account_self_deleted: 'warning',
+
+  login_failed:         'failure',
 };
 
-// ── Helpers ─────────────────────────────────────────────────────────────────
+const STATUS_META = {
+  success: { label: 'Succès',        color: '#16a34a' },
+  warning: { label: 'Avertissement', color: '#f59e0b' },
+  failure: { label: 'Échec',         color: '#dc2626' },
+};
 
-function fmtDateTime(str) {
-  if (!str) return '—';
-  const d = new Date(str.replace(' ', 'T') + (str.includes('+') ? '' : 'Z'));
-  return d.toLocaleString('fr-FR', {
-    day: '2-digit', month: '2-digit', year: 'numeric',
-    hour: '2-digit', minute: '2-digit',
-  });
+function StatusIcon({ status, color }) {
+  const meta = STATUS_META[status];
+  if (!meta) return null;
+  const common = { width: 14, height: 14, viewBox: '0 0 24 24', fill: 'none', stroke: color || meta.color, strokeWidth: 2, strokeLinecap: 'round', strokeLinejoin: 'round' };
+  return (
+    <span style={{ display: 'inline-flex', marginRight: 6, verticalAlign: 'middle' }} title={meta.label}>
+      {status === 'success' && (
+        <svg {...common}><circle cx="12" cy="12" r="10"/><polyline points="16 9 11 14 8 11"/></svg>
+      )}
+      {status === 'warning' && (
+        <svg {...common}><path d="M10.29 3.86L1.82 18a2 2 0 0 0 1.71 3h16.94a2 2 0 0 0 1.71-3L13.71 3.86a2 2 0 0 0-3.42 0z"/><line x1="12" y1="9" x2="12" y2="13"/><line x1="12" y1="17" x2="12.01" y2="17"/></svg>
+      )}
+      {status === 'failure' && (
+        <svg {...common}><circle cx="12" cy="12" r="10"/><line x1="15" y1="9" x2="9" y2="15"/><line x1="9" y1="9" x2="15" y2="15"/></svg>
+      )}
+    </span>
+  );
 }
 
-function CategoryBadge({ cat, active, onClick }) {
-  const meta = CATEGORY_META[cat] || { label: cat, color: '#6b7280' };
+function StatusBadge({ status, count, active, onClick }) {
+  const meta = STATUS_META[status];
   return (
     <button
-      onClick={() => onClick(cat)}
+      onClick={() => onClick(status)}
       style={{
+        display: 'inline-flex', alignItems: 'center', gap: 6,
         padding: '3px 10px',
         borderRadius: 20,
         border: `1px solid ${meta.color}`,
@@ -57,11 +77,56 @@ function CategoryBadge({ cat, active, onClick }) {
         whiteSpace: 'nowrap',
       }}
     >
+      <StatusIcon status={status} color={active ? '#fff' : meta.color} />
       {meta.label}
+      <span style={{
+        display: 'inline-flex', alignItems: 'center', justifyContent: 'center',
+        minWidth: 18, height: 18, borderRadius: 9, padding: '0 5px',
+        fontSize: 11, fontWeight: 700,
+        background: active ? 'rgba(255,255,255,.25)' : `${meta.color}22`,
+        color: active ? '#fff' : meta.color,
+      }}>
+        {count}
+      </span>
     </button>
   );
 }
 
+const ACTION_LABELS = {
+  login_success:       'Connexion réussie',
+  login_failed:        'Échec de connexion',
+  login_2fa_success:   'Connexion 2FA réussie',
+  user_registered:     'Auto-inscription',
+  user_created:        'Compte créé (admin)',
+  user_deleted:        'Compte supprimé',
+  account_self_deleted:'Compte supprimé (par l’utilisateur)',
+  email_verified_admin:'Email vérifié (admin)',
+  role_changed:        'Rôle modifié',
+  status_changed:      'Statut modifié',
+  '2fa_enabled':       '2FA activé',
+  '2fa_disabled':      '2FA désactivé',
+  invitation_sent:     'Invitation envoyée',
+  invitation_accepted: 'Invitation acceptée',
+};
+
+// ── Helpers ─────────────────────────────────────────────────────────────────
+
+function fmtPerson(name, email) {
+  if (name && email) return `${name} (${email})`;
+  if (email) return email;
+  if (name) return name;
+  return '—';
+}
+
+function fmtDateTime(str) {
+  if (!str) return '—';
+  const d = new Date(str.replace(' ', 'T') + (str.includes('+') ? '' : 'Z'));
+  return d.toLocaleString('fr-FR', {
+    day: '2-digit', month: '2-digit', year: 'numeric',
+    hour: '2-digit', minute: '2-digit',
+  });
+}
+
 function DetailTooltip({ details }) {
   if (!details) return null;
   const entries = typeof details === 'object'
@@ -119,9 +184,11 @@ export default function AuditLogsSection() {
   const [page, setPage]         = useState(1);
   const [loading, setLoading]   = useState(true);
   const [categories, setCats]   = useState([]);
+  const [statusCounts, setStatusCounts] = useState({ success: 0, warning: 0, failure: 0 });
 
   // Filtres
   const [filterCat,    setFilterCat]    = useState('');
+  const [filterStatus, setFilterStatus] = useState('');
   const [filterSearch, setFilterSearch] = useState('');
   const [filterFrom,   setFilterFrom]   = useState('');
   const [filterTo,     setFilterTo]     = useState('');
@@ -133,6 +200,7 @@ export default function AuditLogsSection() {
     try {
       const params = { page: p, limit: LIMIT };
       if (filterCat)    params.category = filterCat;
+      if (filterStatus) params.status   = filterStatus;
       if (filterSearch) params.search   = filterSearch;
       if (filterFrom)   params.dateFrom = filterFrom;
       if (filterTo)     params.dateTo   = filterTo;
@@ -143,6 +211,7 @@ export default function AuditLogsSection() {
       ]);
       setRows(data.rows);
       setTotal(data.total);
+      setStatusCounts(data.statusCounts || { success: 0, warning: 0, failure: 0 });
       setPage(p);
       if (!categories.length) setCats(cats);
     } catch (e) {
@@ -150,9 +219,9 @@ export default function AuditLogsSection() {
     } finally {
       setLoading(false);
     }
-  }, [filterCat, filterSearch, filterFrom, filterTo]); // eslint-disable-line
+  }, [filterCat, filterStatus, filterSearch, filterFrom, filterTo]); // eslint-disable-line
 
-  useEffect(() => { load(1); }, [filterCat, filterFrom, filterTo]); // eslint-disable-line
+  useEffect(() => { load(1); }, [filterCat, filterStatus, filterFrom, filterTo]); // eslint-disable-line
 
   // Recherche texte : debounce 350ms
   useEffect(() => {
@@ -160,9 +229,10 @@ export default function AuditLogsSection() {
     return () => clearTimeout(t);
   }, [filterSearch]); // eslint-disable-line
 
-  const toggleCat = (cat) => setFilterCat(prev => prev === cat ? '' : cat);
+  const toggleStatus = (st) => setFilterStatus(prev => prev === st ? '' : st);
 
   const allCats = Object.keys(CATEGORY_META);
+  const allStatuses = Object.keys(STATUS_META);
 
   return (
     <div>
@@ -173,10 +243,25 @@ export default function AuditLogsSection() {
         </span>
       </div>
 
-      {/* Filtres catégories */}
-      <div style={{ display: 'flex', gap: 6, flexWrap: 'wrap', marginBottom: 12 }}>
-        {allCats.map(cat => (
-          <CategoryBadge key={cat} cat={cat} active={filterCat === cat} onClick={toggleCat} />
+      {/* Filtres : catégorie (liste déroulante) + statut (chips avec compteurs) */}
+      <div style={{ display: 'flex', gap: 8, alignItems: 'center', flexWrap: 'wrap', marginBottom: 16 }}>
+        <select
+          value={filterCat}
+          onChange={e => setFilterCat(e.target.value)}
+          style={{
+            width: 'auto', minWidth: 180, flexShrink: 0,
+            height: 32, padding: '0 8px', borderRadius: 8, border: '1px solid var(--border)',
+            background: 'var(--surface)', color: 'var(--text)', fontSize: 13,
+          }}
+        >
+          <option value="">Toutes les catégories</option>
+          {allCats.map(cat => (
+            <option key={cat} value={cat}>{CATEGORY_META[cat]?.label || cat}</option>
+          ))}
+        </select>
+
+        {allStatuses.map(st => (
+          <StatusBadge key={st} status={st} count={statusCounts[st] ?? 0} active={filterStatus === st} onClick={toggleStatus} />
         ))}
       </div>
 
@@ -249,9 +334,9 @@ export default function AuditLogsSection() {
               {rows.map((row, i) => {
                 const meta = CATEGORY_META[row.category] || { label: row.category, color: '#6b7280' };
                 const label = ACTION_LABELS[row.action] || row.action;
-                const actor = row.actor_name || row.actor_email || '—';
+                const actor = fmtPerson(row.actor_name, row.actor_email);
                 const target = row.target_email && row.target_id !== row.actor_id
-                  ? (row.target_name || row.target_email)
+                  ? fmtPerson(row.target_name, row.target_email)
                   : '—';
 
                 return (
@@ -275,6 +360,7 @@ export default function AuditLogsSection() {
                       </span>
                     </td>
                     <td style={{ padding: '7px 10px' }}>
+                      <StatusIcon status={ACTION_STATUS[row.action]} />
                       <span style={{ color: 'var(--text)' }}>{label}</span>
                       <DetailTooltip details={row.details} />
                     </td>