diff --git a/app_new/core/authorization.py b/app_new/core/authorization.py
index 8db10cc..00a8d49 100644
--- a/app_new/core/authorization.py
+++ b/app_new/core/authorization.py
@@ -84,6 +84,30 @@ GRANULAR_PERMISSION_CODES = {
     for module in ("dashboard", "patrimoine", "intervention", "planning", "stock", "contract", "prevention", "user", "system")
     for action in ("view", "create", "edit", "delete", "validate", "reject", "export", "configure", "manage")
 }
+GRANULAR_PERMISSION_CODES |= {
+    "gmao_config.view", "gmao_config.configure",
+    "watchdog_dnd.view", "watchdog_dnd.configure",
+    "integration.ent.view", "integration.ent.configure",
+    "integration.outlook.view", "integration.outlook.configure",
+    "integration.pronote.view", "integration.pronote.configure",
+    "integration.yeastar.view", "integration.yeastar.configure",
+    "user.view", "user.create", "user.edit", "user.delete", "user.manage",
+    "role.view", "role.create", "role.edit", "role.archive", "role.manage",
+    "audit.view", "audit.export", "system.view", "system.configure",
+}
+
+PERMISSION_LABELS = {
+    "gmao_config": "Configuration GMAO",
+    "watchdog_dnd": "Watchdog DND",
+    "integration.ent": "Intégration ENT",
+    "integration.outlook": "Intégration Outlook",
+    "integration.pronote": "Intégration Pronote",
+    "integration.yeastar": "Intégration Yeastar",
+    "user": "Utilisateurs",
+    "role": "Rôles et permissions",
+    "audit": "Journaux d'audit",
+    "system": "Système",
+}
 
 
 def canonical_role(role):
@@ -160,6 +184,26 @@ def required_permission(endpoint, method):
                 action = "validate"
         return f"stock.{action}"
 
+    if blueprint == "gmao_config":
+        return "gmao_config.configure" if mutating else "gmao_config.view"
+    if blueprint == "yeastar":
+        return "watchdog_dnd.configure" if "dnd" in endpoint and mutating else ("watchdog_dnd.view" if "dnd" in endpoint else "integration.yeastar.configure" if mutating else "integration.yeastar.view")
+    if blueprint == "logs":
+        return "watchdog_dnd.view" if "watchdog" in endpoint or endpoint == "logs.index" else "audit.view"
+    if blueprint in {"ent", "outlook_pages", "outlook_dashboard", "outlook_sync"}:
+        integration = "ent" if blueprint == "ent" else "outlook"
+        return f"integration.{integration}.configure" if mutating else f"integration.{integration}.view"
+    if blueprint == "pronote":
+        return "integration.pronote.configure" if mutating else "integration.pronote.view"
+    if blueprint == "admin":
+        if endpoint.startswith("admin.user") or endpoint in {"admin.list_users", "admin.users"}:
+            return "user.manage" if mutating else "user.view"
+        if endpoint.startswith("admin.role") or endpoint == "admin.permissions":
+            return "role.manage" if mutating else "role.view"
+        if endpoint == "admin.audit_logs":
+            return "audit.view"
+        if endpoint.startswith("admin.settings"):
+            return "system.configure" if mutating else "system.view"
     if blueprint in ADMIN_BLUEPRINTS:
         return "system.admin"
     if blueprint == "auth":
diff --git a/app_new/core/routes/admin.py b/app_new/core/routes/admin.py
index 4b03923..b5166d5 100644
--- a/app_new/core/routes/admin.py
+++ b/app_new/core/routes/admin.py
@@ -14,7 +14,7 @@ from ..models.college import College, Building, Room, RoomType
 from ..models.company import Company, Service
 from ..models.rbac import Role, Permission, UserRole, RolePermission, UserPermission
 from app_new.constants import INTERVENTION_STATUSES, EQUIPMENT_STATUSES, ROLES
-from ..authorization import PERMISSIONS_BY_ROLE, ROLE_LABELS, canonical_role
+from ..authorization import PERMISSIONS_BY_ROLE, ROLE_LABELS, canonical_role, has_permission, required_permission, PERMISSION_LABELS
 
 admin_bp = Blueprint('admin', __name__)
 
@@ -24,7 +24,8 @@ def admin_required(f):
     from functools import wraps
     @wraps(f)
     def decorated_function(*args, **kwargs):
-        if not current_user.is_authenticated or not current_user.is_admin():
+        required = required_permission(request.endpoint, request.method)
+        if not current_user.is_authenticated or (not current_user.is_admin() and not has_permission(required)):
             flash('Accès réservé aux administrateurs.', 'danger')
             return redirect(url_for('dashboard.index'))
         return f(*args, **kwargs)
@@ -187,7 +188,7 @@ def role_permissions(role_id):
         flash(f'Permissions du rôle « {role.name} » enregistrées.', 'success')
         return redirect(url_for('admin.roles'))
     selected = {link.permission_id for link in role.permission_links if link.effect == 'allow'}
-    return render_template('admin/role_permissions.html', role=role, permissions_list=permissions_list, selected=selected)
+    return render_template('admin/role_permissions.html', role=role, permissions_list=permissions_list, selected=selected, permission_labels=PERMISSION_LABELS)
 
 
 @admin_bp.route('/roles/<int:role_id>/archive', methods=['POST'])
diff --git a/app_new/templates/admin/role_permissions.html b/app_new/templates/admin/role_permissions.html
index a4b822b..7f41b79 100644
--- a/app_new/templates/admin/role_permissions.html
+++ b/app_new/templates/admin/role_permissions.html
@@ -1 +1,59 @@
-{% extends "base.html" %}{% block title %}Permissions — {{ role.name }}{% endblock %}{% block content %}<div class="container-fluid"><h1>Permissions du rôle « {{ role.name }} »</h1><p class="text-muted">Les cases cochées autorisent l'action. Les permissions sont regroupées par module.</p><form method="post"><input type="hidden" name="csrf_token" value="{{ csrf_token() }}">{% set ns = namespace(module='') %}{% for permission in permissions_list %}{% if permission.module != ns.module %}{% if not loop.first %}</div></div>{% endif %}{% set ns.module = permission.module %}<div class="card mb-3"><div class="card-header"><strong>{{ permission.module|title }}</strong></div><div class="card-body row g-2">{% endif %}<div class="col-xl-3 col-md-4"><label class="border rounded p-2 d-block"><input type="checkbox" name="permission_ids" value="{{ permission.id }}" {% if permission.id in selected %}checked{% endif %}> <strong>{{ permission.action }}</strong><br><small class="text-muted">{{ permission.name }}</small></label></div>{% if loop.last %}</div></div>{% endif %}{% else %}<p class="text-muted">Aucune permission. Exécutez la migration RBAC.</p>{% endfor %}<button class="btn btn-primary">Enregistrer les permissions</button><a class="btn btn-outline-secondary ms-2" href="{{ url_for('admin.roles') }}">Annuler</a></form></div>{% endblock %}
+{% extends "base.html" %}
+{% block title %}Permissions — {{ role.name }}{% endblock %}
+{% block content %}
+<div class="container-fluid">
+  <h1>Permissions du rôle « {{ role.name }} »</h1>
+  <p class="text-muted">Les sections sont repliées par défaut. Utilisez « Tout sélectionner » pour appliquer toutes les permissions d’un module.</p>
+  <form method="post">
+    <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
+    {% for module, permissions in permissions_list|groupby('module') %}
+    {% set section_id = 'permissions-' ~ (module|slugify) %}
+    <details class="card mb-3 permission-section">
+      <summary class="card-header d-flex align-items-center gap-2" style="cursor:pointer;list-style:none">
+        <span class="me-auto"><i class="bi bi-chevron-right section-chevron"></i> <strong>{{ permission_labels.get(module, module|replace('_', ' ')|title) }}</strong> <small class="text-muted">({{ permissions|length }})</small></span>
+        <label class="small mb-0" onclick="event.stopPropagation()">
+          <input type="checkbox" class="section-toggle me-1" data-section="{{ section_id }}"> Tout sélectionner
+        </label>
+      </summary>
+      <div class="card-body row g-2">
+        {% for permission in permissions %}
+        <div class="col-xl-3 col-md-4">
+          <label class="border rounded p-2 d-block h-100">
+            <input type="checkbox" class="permission-check section-{{ section_id }}" name="permission_ids" value="{{ permission.id }}" {% if permission.id in selected %}checked{% endif %}>
+            <strong>{{ permission.action }}</strong><br>
+            <small class="text-muted">{{ permission.name }}</small>
+          </label>
+        </div>
+        {% endfor %}
+      </div>
+    </details>
+    {% else %}
+    <p class="text-muted">Aucune permission. Exécutez la migration RBAC.</p>
+    {% endfor %}
+    <button class="btn btn-primary">Enregistrer les permissions</button>
+    <a class="btn btn-outline-secondary ms-2" href="{{ url_for('admin.roles') }}">Annuler</a>
+  </form>
+</div>
+<style>
+.permission-section[open] .section-chevron { transform: rotate(90deg); }
+.section-chevron { display:inline-block; transition:transform .15s ease; }
+.permission-section > summary::-webkit-details-marker { display:none; }
+</style>
+<script>
+document.querySelectorAll('.section-toggle').forEach(function(toggle) {
+  var checks = document.querySelectorAll('.' + toggle.dataset.section);
+  var sync = function() {
+    var values = Array.from(checks);
+    toggle.checked = values.length > 0 && values.every(function(check) { return check.checked; });
+    toggle.indeterminate = values.some(function(check) { return check.checked; }) && !toggle.checked;
+  };
+  toggle.addEventListener('change', function(event) {
+    event.stopPropagation();
+    checks.forEach(function(check) { check.checked = toggle.checked; });
+    toggle.indeterminate = false;
+  });
+  checks.forEach(function(check) { check.addEventListener('change', sync); });
+  sync();
+});
+</script>
+{% endblock %}
diff --git a/migrations/versions/9d28e9f0a1b2_ajouter_permissions_administration.py b/migrations/versions/9d28e9f0a1b2_ajouter_permissions_administration.py
new file mode 100644
index 0000000..2246cd7
--- /dev/null
+++ b/migrations/versions/9d28e9f0a1b2_ajouter_permissions_administration.py
@@ -0,0 +1,20 @@
+"""Ajouter les permissions d'administration et d'intégration détaillées.
+Revision ID: 9d28e9f0a1b2
+Revises: 9c17d8e9f0a1
+"""
+from alembic import op
+import sqlalchemy as sa
+from app_new.core.authorization import GRANULAR_PERMISSION_CODES
+revision = "9d28e9f0a1b2"
+down_revision = "9c17d8e9f0a1"
+branch_labels = None
+depends_on = None
+def upgrade():
+    bind = op.get_bind()
+    for code in sorted(GRANULAR_PERMISSION_CODES):
+        bits = code.split(".", 1)
+        module, action = bits[0], bits[1] if len(bits) > 1 else "manage"
+        bind.execute(sa.text("INSERT INTO permissions (code,name,module,action,description,is_active) SELECT :code,:name,:module,:action,:description,1 FROM DUAL WHERE NOT EXISTS (SELECT 1 FROM permissions WHERE code=:code)"), {"code": code, "name": f"{module.title()} — {action}", "module": module, "action": action, "description": "Action détaillée configurable"})
+def downgrade():
+    pass
+