diff --git a/loko/assets/tests_exceptional_transport.py b/loko/assets/tests_exceptional_transport.py
index 932d2c6..24913ee 100644
--- a/loko/assets/tests_exceptional_transport.py
+++ b/loko/assets/tests_exceptional_transport.py
@@ -237,6 +237,7 @@ class ExceptionalTransportTests(TestCase):
             title="Note de calcul convoi 240t",
             created_by=self.superuser
         )
+        doc.thematics.add(self.thematic_documents)
         doc.folders.add(te_folder)
 
         user_no_te = User.objects.get(pk=self.user_no_te.pk)
diff --git a/loko/documents/forms.py b/loko/documents/forms.py
index cbc2688..0c1a5db 100644
--- a/loko/documents/forms.py
+++ b/loko/documents/forms.py
@@ -34,16 +34,23 @@ class TagField(forms.CharField):
 class DocumentUpdateForm(forms.ModelForm):
     class Meta:
         model = ManagedDocument
-        fields = ["title", "description"]
+        fields = ["title", "description", "visibility", "thematics"]
         widgets = {
             "title": forms.TextInput(attrs={"class": "form-control"}),
             "description": forms.Textarea(attrs={"class": "form-control", "rows": 4}),
+            "visibility": forms.Select(attrs={"class": "form-select"}),
+            "thematics": forms.SelectMultiple(attrs={"class": "form-select"}),
         }
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.fields["title"].widget.attrs.setdefault("class", "form-control")
         self.fields["description"].widget.attrs.setdefault("class", "form-control")
+        self.fields["visibility"].widget.attrs.setdefault("class", "form-select")
+        self.fields["visibility"].required = False
+        if "thematics" in self.fields:
+            self.fields["thematics"].queryset = Thematic.objects.order_by("name_fr")
+            self.fields["thematics"].required = False
 
 
 class ManagedDocumentForm(forms.ModelForm):
@@ -53,9 +60,11 @@ class ManagedDocumentForm(forms.ModelForm):
 
     class Meta:
         model = ManagedDocument
-        fields = ["title", "description", "types", "tags", "folders"]
+        fields = ["title", "description", "visibility", "thematics", "types", "tags", "folders"]
         widgets = {
             "description": forms.Textarea(attrs={"rows": 3}),
+            "visibility": forms.Select(attrs={"class": "form-select"}),
+            "thematics": forms.SelectMultiple(attrs={"class": "form-select"}),
             "types": forms.SelectMultiple(attrs={"class": "form-select"}),
             "tags": forms.SelectMultiple(attrs={"class": "form-select"}),
             "folders": forms.SelectMultiple(attrs={"class": "form-select"}),
@@ -65,6 +74,7 @@ class ManagedDocumentForm(forms.ModelForm):
         user = kwargs.pop("user", None)
         initial_folder = kwargs.pop("initial_folder", None)
         super().__init__(*args, **kwargs)
+        self.fields["visibility"].required = False
         
         # Limiter les folders accessibles à l'utilisateur
         if user:
@@ -335,6 +345,7 @@ class DocumentFolderForm(forms.ModelForm):
         fields = [
             "name",
             "description",
+            "visibility",
             "application_label",
             "parent_folders",
             "thematics",
@@ -343,6 +354,7 @@ class DocumentFolderForm(forms.ModelForm):
         widgets = {
             "name": forms.TextInput(attrs={"class": "form-control"}),
             "description": forms.Textarea(attrs={"class": "form-control", "rows": 3}),
+            "visibility": forms.Select(attrs={"class": "form-select"}),
             "application_label": forms.TextInput(attrs={"class": "form-control"}),
             "parent_folders": forms.SelectMultiple(attrs={"class": "form-select"}),
             "thematics": forms.SelectMultiple(attrs={"class": "form-select"}),
@@ -352,6 +364,8 @@ class DocumentFolderForm(forms.ModelForm):
     def __init__(self, *args, **kwargs):
         self.request_user = kwargs.pop("user", None)
         super().__init__(*args, **kwargs)
+        if "visibility" in self.fields:
+            self.fields["visibility"].required = False
 
         instance = getattr(self, "instance", None)
         if instance and instance.pk:
diff --git a/loko/documents/migrations/0003_documentfolder_visibility_manageddocument_thematics_and_more.py b/loko/documents/migrations/0003_documentfolder_visibility_manageddocument_thematics_and_more.py
new file mode 100644
index 0000000..60cb296
--- /dev/null
+++ b/loko/documents/migrations/0003_documentfolder_visibility_manageddocument_thematics_and_more.py
@@ -0,0 +1,29 @@
+# Generated by Django 6.0.7 on 2026-08-29 16:35
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('common', '0014_userconfig_inspection_list_filters_and_more'),
+        ('documents', '0002_documentattachment_documents_d_content_5921e5_idx_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='documentfolder',
+            name='visibility',
+            field=models.CharField(choices=[('private', 'Private (Creator only)'), ('restricted', 'Shared with specific users'), ('internal', 'Internal (Thematics & Contracts)'), ('scoped', 'All qualified users (Internal & External)')], db_index=True, default='internal', max_length=20, verbose_name='Visibility'),
+        ),
+        migrations.AddField(
+            model_name='manageddocument',
+            name='thematics',
+            field=models.ManyToManyField(blank=True, related_name='managed_documents', to='common.thematic', verbose_name='Thematics'),
+        ),
+        migrations.AddField(
+            model_name='manageddocument',
+            name='visibility',
+            field=models.CharField(choices=[('private', 'Private (Creator only)'), ('restricted', 'Shared with specific users'), ('internal', 'Internal (Thematics & Contracts)'), ('scoped', 'All qualified users (Internal & External)')], db_index=True, default='internal', max_length=20, verbose_name='Visibility'),
+        ),
+    ]
diff --git a/loko/documents/models.py b/loko/documents/models.py
index ef92d16..8b5cc23 100644
--- a/loko/documents/models.py
+++ b/loko/documents/models.py
@@ -111,11 +111,25 @@ class DocumentTag(models.Model):
         super().save(*args, **kwargs)
 
 
+class VisibilityScope(models.TextChoices):
+    PRIVATE = "private", _("Private (Creator only)")
+    RESTRICTED = "restricted", _("Shared with specific users")
+    INTERNAL = "internal", _("Internal (Thematics & Contracts)")
+    SCOPED = "scoped", _("All qualified users (Internal & External)")
+
+
 class DocumentFolder(models.Model):
     uuid = models.UUIDField(default=uuid.uuid4, unique=True, editable=False)
     name = models.CharField(max_length=255, verbose_name=_("Name"))
     slug = models.SlugField(max_length=150, unique=True, verbose_name=_("Slug"))
     description = models.TextField(blank=True, verbose_name=_("Description"))
+    visibility = models.CharField(
+        max_length=20,
+        choices=VisibilityScope.choices,
+        default=VisibilityScope.INTERNAL,
+        verbose_name=_("Visibility"),
+        db_index=True,
+    )
     is_predefined = models.BooleanField(default=False, verbose_name=_("Predefined"))
     application_label = models.CharField(
         max_length=100, blank=True, verbose_name=_("Application label")
@@ -182,6 +196,13 @@ class ManagedDocument(models.Model):
     uuid = models.UUIDField(default=uuid.uuid4, unique=True, editable=False)
     title = models.CharField(max_length=255, verbose_name=_("Title"))
     description = models.TextField(blank=True, verbose_name=_("Description"))
+    visibility = models.CharField(
+        max_length=20,
+        choices=VisibilityScope.choices,
+        default=VisibilityScope.INTERNAL,
+        verbose_name=_("Visibility"),
+        db_index=True,
+    )
     created_by = models.ForeignKey(
         User,
         on_delete=models.SET_NULL,
@@ -221,6 +242,12 @@ class ManagedDocument(models.Model):
 
     types = models.ManyToManyField(DocumentType, blank=True, related_name="documents")
     tags = models.ManyToManyField(DocumentTag, blank=True, related_name="documents")
+    thematics = models.ManyToManyField(
+        "common.Thematic",
+        blank=True,
+        related_name="managed_documents",
+        verbose_name=_("Thematics"),
+    )
     folders = models.ManyToManyField(
         DocumentFolder,
         related_name="documents",
diff --git a/loko/documents/permissions.py b/loko/documents/permissions.py
index 1f6357e..91b5fd2 100644
--- a/loko/documents/permissions.py
+++ b/loko/documents/permissions.py
@@ -4,6 +4,7 @@ from __future__ import annotations
 
 from typing import Iterable
 
+from django.conf import settings
 from django.contrib.auth import get_user_model
 from django.contrib.auth.models import AnonymousUser
 from django.db import models
@@ -11,9 +12,10 @@ from django.db import models
 from .models import (
     DocumentFolder,
     DocumentFolderAttachment,
+    DocumentAttachment,
     ManagedDocument,
+    VisibilityScope,
 )
-from django.conf import settings
 
 
 UserModel = get_user_model()
@@ -35,7 +37,6 @@ def _normalise_permission(permission: str) -> str:
 
 def _permissions_at_least(permission: str) -> Iterable[str]:
     """Return every permission value equal or greater than ``permission``."""
-
     level = _PERMISSION_ORDER[_normalise_permission(permission)]
     return [perm for perm, perm_level in _PERMISSION_ORDER.items() if perm_level >= level]
 
@@ -46,35 +47,47 @@ def filter_documents_for_user(
     *,
     required_permission: str = ManagedDocument.PERMISSION_VIEW,
 ) -> models.QuerySet[ManagedDocument]:
-    """Restrict the queryset to documents the user can access."""
+    """Restrict the queryset to documents the user can access based on document-level permissions."""
 
     if user is None or not getattr(user, "is_authenticated", False):
         return queryset.none()
 
-    if getattr(user, "is_superuser", False):
+    if getattr(user, "is_superuser", False) or user_is_documents_admin(user):
         return queryset
 
+    config = getattr(user, "config", None)
+    is_intern = bool(config and getattr(config, "is_intern", False))
+
     allowed_permissions = list(_permissions_at_least(required_permission))
+    is_edit_check = _PERMISSION_ORDER.get(required_permission, 0) >= _PERMISSION_ORDER[ManagedDocument.PERMISSION_EDIT]
 
-    filter_q = models.Q(created_by=user)
-    filter_q |= models.Q(shares__user=user, shares__permission__in=allowed_permissions)
-    filter_q |= models.Q(folders__shares__user=user, folders__shares__permission__in=allowed_permissions)
+    # 1. Accès direct : créateur ou partage direct (DocumentShare)
+    base_q = models.Q(created_by=user)
+    base_q |= models.Q(shares__user=user, shares__permission__in=allowed_permissions)
 
-    # Ajouter les documents des folders accessibles via les thématiques directes (M2M sur le folder)
-    accessible_thematics = _get_accessible_thematic_ids(user)
+    # 2. Documents qualifiés par thématiques & contrats (attachments et direct thematics)
+    attached_doc_ids = _get_document_ids_from_objects(user, edit_only=is_edit_check)
+
+    accessible_thematics = _get_editable_thematic_ids(user) if is_edit_check else _get_accessible_thematic_ids(user)
+    thematic_doc_ids: set[int] = set()
     if accessible_thematics:
-        filter_q |= models.Q(folders__thematics__pk__in=accessible_thematics)
+        thematic_doc_ids = set(
+            queryset.filter(thematics__pk__in=accessible_thematics).values_list("pk", flat=True)
+        )
+        thematic_doc_ids = _filter_document_ids_by_contracts(thematic_doc_ids, user)
 
-    # Ajouter les documents des folders accessibles via les objets attachés
-    accessible_folder_ids = _get_folder_ids_from_accessible_objects(user)
-    if accessible_folder_ids:
-        filter_q |= models.Q(folders__pk__in=accessible_folder_ids)
+    qualif_doc_ids = attached_doc_ids | thematic_doc_ids
 
-    # Ajouter les documents directement attachés via DocumentAttachment à un objet accessible
-    # (couvre les documents importés sans folder ou dont le folder n'a pas de DocumentFolderAttachment)
-    accessible_ct_ids = _get_accessible_content_type_ids(user)
-    if accessible_ct_ids:
-        filter_q |= models.Q(attachments__content_type_id__in=accessible_ct_ids)
+    if qualif_doc_ids:
+        internal_q = (
+            models.Q(visibility=VisibilityScope.INTERNAL, pk__in=qualif_doc_ids)
+            if is_intern
+            else models.Q(pk__in=[])
+        )
+        scoped_q = models.Q(visibility=VisibilityScope.SCOPED, pk__in=qualif_doc_ids)
+        filter_q = base_q | internal_q | scoped_q
+    else:
+        filter_q = base_q
 
     result_qs = queryset.filter(filter_q).distinct()
 
@@ -117,61 +130,105 @@ def user_has_document_permission(
     if user is None or not getattr(user, "is_authenticated", False):
         return False
 
-    if getattr(user, "is_superuser", False):
+    if getattr(user, "is_superuser", False) or user_is_documents_admin(user):
         return True
 
     from assets.permissions import can_view_exceptional_transport
     if not can_view_exceptional_transport(user):
-        if (
-            document.tags.filter(slug__in=['exceptional_transport', 'exceptional-transport', 'transports-exceptionnels']).exists()
-            or document.folders.filter(
-                models.Q(slug__icontains='exceptional-transport')
-                | models.Q(slug__icontains='transport-exceptionnel')
-                | models.Q(slug__icontains='transports-exceptionnels')
-                | models.Q(name__icontains='Exceptional transport')
-                | models.Q(name__icontains='Transport exceptionnel')
-            ).exists()
-        ):
+        if document.tags.filter(slug__in=['exceptional_transport', 'exceptional-transport', 'transports-exceptionnels']).exists():
+            return False
+        if any(_is_exceptional_transport_folder(f) for f in document.folders.all()):
             return False
 
     if document.created_by_id and document.created_by_id == getattr(user, "pk", None):
         return True
 
     allowed_permissions = list(_permissions_at_least(required_permission))
-
     if document.shares.filter(user=user, permission__in=allowed_permissions).exists():
         return True
 
-    if document.folders.filter(
-        shares__user=user, shares__permission__in=allowed_permissions
-    ).exists():
+    # PRIVATE et RESTRICTED ne sont accessibles que via créateur ou partage direct
+    if document.visibility in [VisibilityScope.PRIVATE, VisibilityScope.RESTRICTED]:
+        return False
+
+    config = getattr(user, "config", None)
+    is_intern = bool(config and getattr(config, "is_intern", False))
+
+    # INTERNAL exige is_intern=True
+    if document.visibility == VisibilityScope.INTERNAL and not is_intern:
+        return False
+
+    is_edit_check = _PERMISSION_ORDER.get(required_permission, 0) >= _PERMISSION_ORDER[ManagedDocument.PERMISSION_EDIT]
+    accessible_thematics = _get_editable_thematic_ids(user) if is_edit_check else _get_accessible_thematic_ids(user)
+
+    # 1. Vérification thématiques directes
+    if accessible_thematics and document.thematics.filter(pk__in=accessible_thematics).exists():
+        if config and config.limit_assets_to_contracts:
+            doc_contracts = _document_contract_ids(document.pk)
+            allowed_contract_ids = _get_user_contract_ids(user)
+            if not doc_contracts or (doc_contracts & allowed_contract_ids):
+                return True
+        else:
+            return True
+
+    # 2. Vérification objets attachés (assets, projets, contrats, etc.)
+    for attachment in document.attachments.all():
+        content_object = attachment.content_object
+        if content_object and _user_can_access_content_object(user, content_object, edit_only=is_edit_check):
+            return True
+
+    return False
+
+
+def user_has_folder_permission(
+    user: settings.AUTH_USER_MODEL | AnonymousUser,
+    folder: DocumentFolder,
+    *,
+    required_permission: str = ManagedDocument.PERMISSION_VIEW,
+) -> bool:
+    """Return ``True`` if ``user`` has ``required_permission`` on ``folder``."""
+
+    if user is None or not getattr(user, "is_authenticated", False):
+        return False
+
+    if getattr(user, "is_superuser", False) or user_is_documents_admin(user):
         return True
 
-    # Pour les vérifications EDIT+, on exige can_edit_assets=True sur la thématique.
-    # Pour VIEW/COMMENT, can_view_assets=True suffit.
+    from assets.permissions import can_view_exceptional_transport
+    if not can_view_exceptional_transport(user) and _is_exceptional_transport_folder(folder):
+        return False
+
+    if folder.created_by_id and folder.created_by_id == getattr(user, "pk", None):
+        return True
+
+    allowed_permissions = list(_permissions_at_least(required_permission))
+    if folder.shares.filter(user=user, permission__in=allowed_permissions).exists():
+        return True
+
+    if folder.visibility in [VisibilityScope.PRIVATE, VisibilityScope.RESTRICTED]:
+        return False
+
+    config = getattr(user, "config", None)
+    is_intern = bool(config and getattr(config, "is_intern", False))
+
+    if folder.visibility == VisibilityScope.INTERNAL and not is_intern:
+        return False
+
     is_edit_check = _PERMISSION_ORDER.get(required_permission, 0) >= _PERMISSION_ORDER[ManagedDocument.PERMISSION_EDIT]
-
-    # Collecter les IDs des dossiers du document et de tous leurs ancêtres
-    doc_folder_ids = set(document.folders.values_list("pk", flat=True))
-    all_doc_folder_ids = _collect_ancestor_ids(doc_folder_ids) if doc_folder_ids else set()
-
-    # Vérifier si l'utilisateur a accès via les thématiques directes des folders ou de leurs ancêtres
     accessible_thematics = _get_editable_thematic_ids(user) if is_edit_check else _get_accessible_thematic_ids(user)
-    if accessible_thematics and all_doc_folder_ids:
-        if DocumentFolder.objects.filter(pk__in=all_doc_folder_ids, thematics__pk__in=accessible_thematics).exists():
+
+    if accessible_thematics and folder.thematics.filter(pk__in=accessible_thematics).exists():
+        if config and config.limit_assets_to_contracts:
+            folder_contracts = _folder_contract_ids(folder.pk)
+            allowed_contract_ids = _get_user_contract_ids(user)
+            if not folder_contracts or (folder_contracts & allowed_contract_ids):
+                return True
+        else:
             return True
 
-    # Vérifier si l'utilisateur a accès via un folder (ou sous-dossier) lié à un objet accessible
-    accessible_folder_ids = _get_folder_ids_from_editable_objects(user) if is_edit_check else _get_folder_ids_from_accessible_objects(user)
-    if accessible_folder_ids and all_doc_folder_ids:
-        if all_doc_folder_ids & accessible_folder_ids:
-            return True
-
-    # Vérifier si le document est directement attaché à un objet accessible via DocumentAttachment
-    # (couvre les documents importés sans folder ou dont le folder n'a pas de DocumentFolderAttachment)
-    accessible_ct_ids = _get_editable_content_type_ids(user) if is_edit_check else _get_accessible_content_type_ids(user)
-    if accessible_ct_ids:
-        if document.attachments.filter(content_type_id__in=accessible_ct_ids).exists():
+    for attachment in folder.attachments.all():
+        content_object = attachment.content_object
+        if content_object and _user_can_access_content_object(user, content_object, edit_only=is_edit_check):
             return True
 
     return False
@@ -185,8 +242,7 @@ def user_is_documents_admin(user) -> bool:
     config = getattr(user, "config", None)
     if config is None:
         return False
-    # Seuls les admins ont tous les droits d'administration sur les répertoires et documents
-    if config.roles.filter(name="admin").exists():
+    if config.roles.filter(name__in=["admin", "operator"]).exists():
         return True
     return False
 
@@ -214,8 +270,6 @@ def user_can_delete_document(
     return user_has_document_permission(user, document, required_permission=ManagedDocument.PERMISSION_EDIT)
 
 
-
-
 def _get_accessible_thematic_ids(user) -> set[int]:
     config = getattr(user, "config", None)
     if not config:
@@ -254,19 +308,17 @@ def _folder_contract_ids(folder_id: int) -> set[int]:
         .all()
     )
     contract_ids: set[int] = set()
-    
-    # Grouper les attachments par content_type pour optimiser les requêtes
+
     from collections import defaultdict
     attachments_by_type = defaultdict(list)
-    
+
     for attachment in attachments:
         content_type = attachment.content_type
         if content_type.app_label == "contracts" and content_type.model == "contract":
             contract_ids.add(attachment.object_id)
         else:
             attachments_by_type[content_type.id].append(attachment.object_id)
-    
-    # Pour chaque type de contenu, faire une seule requête pour tous les objets
+
     from django.contrib.contenttypes.models import ContentType
     for content_type_id, object_ids in attachments_by_type.items():
         try:
@@ -274,20 +326,57 @@ def _folder_contract_ids(folder_id: int) -> set[int]:
             model_class = content_type.model_class()
             if model_class is None:
                 continue
-            
-            # Récupérer tous les objets d'un coup avec leurs contrats
+
             objects = model_class.objects.filter(pk__in=object_ids)
-            
-            # Vérifier si le modèle a un champ contract ou contract_id
             if hasattr(model_class, 'contract_id'):
                 objects = objects.values_list('contract_id', flat=True)
                 contract_ids.update(cid for cid in objects if cid)
             elif hasattr(model_class, 'contract'):
                 objects = objects.select_related('contract').values_list('contract__pk', flat=True)
                 contract_ids.update(cid for cid in objects if cid)
-        except Exception:  # pragma: no cover - defensive
+        except Exception:
             continue
-    
+
+    return contract_ids
+
+
+def _document_contract_ids(document_id: int) -> set[int]:
+    """Récupère les contract IDs associés à un document (via ses attachments)."""
+    attachments = (
+        DocumentAttachment.objects.filter(document_id=document_id)
+        .select_related("content_type")
+        .all()
+    )
+    contract_ids: set[int] = set()
+
+    from collections import defaultdict
+    attachments_by_type = defaultdict(list)
+
+    for attachment in attachments:
+        content_type = attachment.content_type
+        if content_type.app_label == "contracts" and content_type.model == "contract":
+            contract_ids.add(attachment.object_id)
+        else:
+            attachments_by_type[content_type.id].append(attachment.object_id)
+
+    from django.contrib.contenttypes.models import ContentType
+    for content_type_id, object_ids in attachments_by_type.items():
+        try:
+            content_type = ContentType.objects.get(pk=content_type_id)
+            model_class = content_type.model_class()
+            if model_class is None:
+                continue
+
+            objects = model_class.objects.filter(pk__in=object_ids)
+            if hasattr(model_class, 'contract_id'):
+                objects = objects.values_list('contract_id', flat=True)
+                contract_ids.update(cid for cid in objects if cid)
+            elif hasattr(model_class, 'contract'):
+                objects = objects.select_related('contract').values_list('contract__pk', flat=True)
+                contract_ids.update(cid for cid in objects if cid)
+        except Exception:
+            continue
+
     return contract_ids
 
 
@@ -297,25 +386,20 @@ def _filter_ids_by_contracts(folder_ids: set[int], user) -> set[int]:
         return folder_ids
 
     allowed_contract_ids = _get_user_contract_ids(user)
-    if not allowed_contract_ids:
-        return set()
 
-    # Optimisation: traiter tous les folders en batch
     from collections import defaultdict
     from django.contrib.contenttypes.models import ContentType
-    
-    # Récupérer tous les attachments pour tous les folders en une seule requête
+
     attachments = DocumentFolderAttachment.objects.filter(
         folder_id__in=folder_ids
     ).select_related('content_type').values(
         'folder_id', 'content_type_id', 'content_type__app_label', 
         'content_type__model', 'object_id'
     )
-    
+
     folder_contracts = defaultdict(set)
     attachments_by_type = defaultdict(list)
-    
-    # Première passe: identifier les contrats directs et grouper les autres par type
+
     for att in attachments:
         folder_id = att['folder_id']
         if att['content_type__app_label'] == 'contracts' and att['content_type__model'] == 'contract':
@@ -325,18 +409,16 @@ def _filter_ids_by_contracts(folder_ids: set[int], user) -> set[int]:
                 'folder_id': folder_id,
                 'object_id': att['object_id']
             })
-    
-    # Deuxième passe: pour chaque type de contenu, récupérer les contrats en batch
+
     for (ct_id, app_label, model_name), att_list in attachments_by_type.items():
         try:
             content_type = ContentType.objects.get(pk=ct_id)
             model_class = content_type.model_class()
             if model_class is None:
                 continue
-            
+
             object_ids = [att['object_id'] for att in att_list]
-            
-            # Récupérer les contract_ids en une seule requête
+
             if hasattr(model_class, 'contract_id'):
                 objects_with_contracts = model_class.objects.filter(
                     pk__in=object_ids
@@ -349,24 +431,92 @@ def _filter_ids_by_contracts(folder_ids: set[int], user) -> set[int]:
                 obj_to_contract = {obj['pk']: obj['contract__pk'] for obj in objects_with_contracts if obj['contract__pk']}
             else:
                 obj_to_contract = {}
-            
-            # Associer les contrats aux folders
+
             for att in att_list:
                 contract_id = obj_to_contract.get(att['object_id'])
                 if contract_id:
                     folder_contracts[att['folder_id']].add(contract_id)
-        except Exception:  # pragma: no cover - defensive
+        except Exception:
             continue
-    
-    # Filtrer les folders qui ont au moins un contrat autorisé
+
     allowed: set[int] = set()
     for folder_id in folder_ids:
         contract_ids = folder_contracts.get(folder_id, set())
-        if not contract_ids:  # Pas de contrats = accessible
+        if not contract_ids:
             allowed.add(folder_id)
-        elif contract_ids & allowed_contract_ids:  # Au moins un contrat autorisé
+        elif contract_ids & allowed_contract_ids:
             allowed.add(folder_id)
-    
+
+    return allowed
+
+
+def _filter_document_ids_by_contracts(doc_ids: set[int], user) -> set[int]:
+    config = getattr(user, "config", None)
+    if not config or not config.limit_assets_to_contracts:
+        return doc_ids
+
+    allowed_contract_ids = _get_user_contract_ids(user)
+
+    from collections import defaultdict
+    from django.contrib.contenttypes.models import ContentType
+
+    attachments = DocumentAttachment.objects.filter(
+        document_id__in=doc_ids
+    ).select_related('content_type').values(
+        'document_id', 'content_type_id', 'content_type__app_label', 
+        'content_type__model', 'object_id'
+    )
+
+    doc_contracts = defaultdict(set)
+    attachments_by_type = defaultdict(list)
+
+    for att in attachments:
+        doc_id = att['document_id']
+        if att['content_type__app_label'] == 'contracts' and att['content_type__model'] == 'contract':
+            doc_contracts[doc_id].add(att['object_id'])
+        else:
+            attachments_by_type[(att['content_type_id'], att['content_type__app_label'], att['content_type__model'])].append({
+                'document_id': doc_id,
+                'object_id': att['object_id']
+            })
+
+    for (ct_id, app_label, model_name), att_list in attachments_by_type.items():
+        try:
+            content_type = ContentType.objects.get(pk=ct_id)
+            model_class = content_type.model_class()
+            if model_class is None:
+                continue
+
+            object_ids = [att['object_id'] for att in att_list]
+
+            if hasattr(model_class, 'contract_id'):
+                objects_with_contracts = model_class.objects.filter(
+                    pk__in=object_ids
+                ).values('pk', 'contract_id')
+                obj_to_contract = {obj['pk']: obj['contract_id'] for obj in objects_with_contracts if obj['contract_id']}
+            elif hasattr(model_class, 'contract'):
+                objects_with_contracts = model_class.objects.filter(
+                    pk__in=object_ids
+                ).select_related('contract').values('pk', 'contract__pk')
+                obj_to_contract = {obj['pk']: obj['contract__pk'] for obj in objects_with_contracts if obj['contract__pk']}
+            else:
+                obj_to_contract = {}
+
+            for att in att_list:
+                contract_id = obj_to_contract.get(att['object_id'])
+                if contract_id:
+                    doc_contracts[att['document_id']].add(contract_id)
+        except Exception:
+            continue
+
+    allowed: set[int] = set()
+    for doc_id in doc_ids:
+        contract_ids = doc_contracts.get(doc_id, set())
+        if not contract_ids:
+            allowed.add(doc_id)
+        elif contract_ids & allowed_contract_ids:
+            allowed.add(doc_id)
+
     return allowed
 
 
@@ -412,58 +562,60 @@ _MODEL_TO_THEMATIC: dict[str, str] = {
 }
 
 
-def _user_can_access_content_object(user, content_object) -> bool:
+def _user_can_access_content_object(user, content_object, edit_only: bool = False) -> bool:
     """
     Vérifie si l'utilisateur peut accéder à l'objet de contenu (intersection, structure, etc.).
-    
-    Args:
-        user: L'utilisateur
-        content_object: L'objet attaché au folder
-        
-    Returns:
-        bool: True si l'utilisateur peut accéder à l'objet
     """
     if content_object is None:
         return False
-    
+
     config = getattr(user, "config", None)
     if not config:
         return False
-    
-    # Les admins et operators peuvent tout voir
+
     if config.roles.filter(name__in=['admin', 'operator']).exists():
         return True
-    
-    # Déterminer la thématique de l'objet
+
     from django.contrib.contenttypes.models import ContentType
     from common.models import Thematic, UserThematics
-    
+
     content_type = ContentType.objects.get_for_model(content_object)
     model_name = content_type.model.lower()
-    
+
     thematic_code = _MODEL_TO_THEMATIC.get(model_name)
     if not thematic_code:
+        # Cas des projets ou contrats ou autres modèles génériques
+        if content_type.app_label == 'projects' and model_name == 'project':
+            from projects.models import ProjectUserAccess
+            if ProjectUserAccess.objects.filter(user=user, project=content_object, can_view=True).exists():
+                return True
+            if config.is_intern:
+                user_them_ids = _get_accessible_thematic_ids(user)
+                if content_object.thematics.filter(pk__in=user_them_ids).exists():
+                    return True
+            return False
+
+        if content_type.app_label == 'contracts' and model_name == 'contract':
+            if not config.limit_assets_to_contracts:
+                return True
+            allowed_cids = _get_user_contract_ids(user)
+            return getattr(content_object, 'pk', None) in allowed_cids
+
         return False
-    
-    # Vérifier si l'utilisateur a accès à la thématique
+
     thematic = Thematic.objects.filter(code=thematic_code).first()
     if not thematic:
         return False
-    
-    has_access = UserThematics.objects.filter(
-        user_config=config,
-        thematic=thematic,
-        can_view_assets=True
-    ).exists()
-    
+
+    filter_kwargs = {'user_config': config, 'thematic': thematic, 'can_edit_assets': True} if edit_only else {'user_config': config, 'thematic': thematic, 'can_view_assets': True}
+    has_access = UserThematics.objects.filter(**filter_kwargs).exists()
+
     if not has_access:
         return False
-    
-    # Vérifier les restrictions de contrat si applicable
+
     if config.limit_assets_to_contracts:
         allowed_contract_ids = _get_user_contract_ids(user)
         if allowed_contract_ids:
-            # Vérifier si l'objet est lié à un contrat autorisé
             contract_id = getattr(content_object, "contract_id", None)
             if contract_id and contract_id not in allowed_contract_ids:
                 return False
@@ -472,30 +624,19 @@ def _user_can_access_content_object(user, content_object) -> bool:
                 pk = getattr(contract, "pk", None)
                 if pk and pk not in allowed_contract_ids:
                     return False
-    
+
     return True
 
 
-
 def _get_accessible_content_type_ids(user) -> list[int]:
-    """
-    Retourne les IDs des ContentType correspondant aux modèles accessibles
-    par l'utilisateur via ses thématiques (can_view_assets=True).
-    Résultat mis en cache sur le user pour la durée de la requête.
-    """
     return _get_content_type_ids_for_user(user, edit_only=False)
 
 
 def _get_editable_content_type_ids(user) -> list[int]:
-    """
-    Retourne les IDs des ContentType correspondant aux modèles pour lesquels
-    l'utilisateur a le droit d'édition (can_edit_assets=True).
-    """
     return _get_content_type_ids_for_user(user, edit_only=True)
 
 
 def _get_content_type_ids_for_user(user, *, edit_only: bool) -> list[int]:
-    """Implémentation commune pour view et edit content-type IDs."""
     cache_key = f'_{"editable" if edit_only else "accessible"}_ct_ids_{getattr(user, "pk", None)}'
     if hasattr(user, '_folder_cache') and cache_key in user._folder_cache:
         return user._folder_cache[cache_key]
@@ -530,22 +671,8 @@ def _get_content_type_ids_for_user(user, *, edit_only: bool) -> list[int]:
     return result
 
 
-def _get_folder_ids_from_accessible_objects(user) -> set[int]:
-    """
-    Récupère les IDs des folders auxquels l'utilisateur a accès (visualisation) via les objets attachés.
-    """
-    return _get_folder_ids_from_objects(user, edit_only=False)
-
-
-def _get_folder_ids_from_editable_objects(user) -> set[int]:
-    """
-    Récupère les IDs des folders pour lesquels l'utilisateur a le droit d'édition via les objets attachés.
-    """
-    return _get_folder_ids_from_objects(user, edit_only=True)
-
-
 def _get_folder_ids_from_objects(user, *, edit_only: bool) -> set[int]:
-    """Implémentation commune pour view et edit folder IDs via objets attachés."""
+    """Folder IDs via DocumentFolderAttachment attachés à des objets accessibles."""
     cache_key = f'_{"editable" if edit_only else "accessible"}_folder_ids_{getattr(user, "pk", None)}'
     if hasattr(user, '_folder_cache') and cache_key in user._folder_cache:
         return user._folder_cache[cache_key]
@@ -553,37 +680,26 @@ def _get_folder_ids_from_objects(user, *, edit_only: bool) -> set[int]:
     accessible_folder_ids: set[int] = set()
 
     config = getattr(user, "config", None)
-    if not config:
-        return accessible_folder_ids
-
-    if user_is_documents_admin(user):
+    if not config or user_is_documents_admin(user):
         return accessible_folder_ids
 
     accessible_content_types = _get_editable_content_type_ids(user) if edit_only else _get_accessible_content_type_ids(user)
 
-    if not accessible_content_types:
-        # Pas de content_types thématiques — mais on continue pour les projets
-        pass
-    else:
-        # Récupérer les folder_ids associés aux content_types accessibles
+    if accessible_content_types:
         attachments = DocumentFolderAttachment.objects.filter(
             content_type_id__in=accessible_content_types
         ).values_list('folder_id', flat=True).distinct()
 
         accessible_folder_ids = set(attachments)
 
-        # Filtrer par contrats si nécessaire
         if config.limit_assets_to_contracts:
             allowed_contract_ids = _get_user_contract_ids(user)
             if allowed_contract_ids:
                 accessible_folder_ids = _filter_ids_by_contracts(accessible_folder_ids, user)
 
-    # ── Folders de projets ──────────────────────────────────────────────
-    # Pour les projets, on ne distingue pas view/edit (pas de notion can_edit_projects).
-    # On ne les inclut que pour la vérification de visualisation.
+    # Folders de projets
     if not edit_only:
         from django.contrib.contenttypes.models import ContentType
-        from django.db.models import Q
         try:
             project_ct = ContentType.objects.get(app_label='projects', model='project')
         except ContentType.DoesNotExist:
@@ -618,9 +734,6 @@ def _get_folder_ids_from_objects(user, *, edit_only: bool) -> set[int]:
                 )
                 accessible_folder_ids |= project_folder_ids
 
-    # Récupérer l'ensemble des sous-dossiers (descendants) des dossiers d'assets accessibles
-    accessible_folder_ids = _collect_descendant_ids(accessible_folder_ids)
-
     if not hasattr(user, '_folder_cache'):
         user._folder_cache = {}
     user._folder_cache[cache_key] = accessible_folder_ids
@@ -628,6 +741,76 @@ def _get_folder_ids_from_objects(user, *, edit_only: bool) -> set[int]:
     return accessible_folder_ids
 
 
+def _get_document_ids_from_objects(user, *, edit_only: bool) -> set[int]:
+    """Document IDs via DocumentAttachment attachés à des objets accessibles."""
+    cache_key = f'_{"editable" if edit_only else "accessible"}_doc_ids_{getattr(user, "pk", None)}'
+    if hasattr(user, '_folder_cache') and cache_key in user._folder_cache:
+        return user._folder_cache[cache_key]
+
+    accessible_doc_ids: set[int] = set()
+
+    config = getattr(user, "config", None)
+    if not config or user_is_documents_admin(user):
+        return accessible_doc_ids
+
+    accessible_content_types = _get_editable_content_type_ids(user) if edit_only else _get_accessible_content_type_ids(user)
+
+    if accessible_content_types:
+        attachments = DocumentAttachment.objects.filter(
+            content_type_id__in=accessible_content_types
+        ).values_list('document_id', flat=True).distinct()
+
+        accessible_doc_ids = set(attachments)
+
+        if config.limit_assets_to_contracts:
+            allowed_contract_ids = _get_user_contract_ids(user)
+            if allowed_contract_ids:
+                accessible_doc_ids = _filter_document_ids_by_contracts(accessible_doc_ids, user)
+
+    # Documents de projets
+    if not edit_only:
+        from django.contrib.contenttypes.models import ContentType
+        try:
+            project_ct = ContentType.objects.get(app_label='projects', model='project')
+        except ContentType.DoesNotExist:
+            project_ct = None
+
+        if project_ct:
+            from projects.models import Project, ProjectUserAccess
+            from common.models import UserThematics
+
+            thematic_project_ids: set[int] = set()
+            accessible_thematics = UserThematics.objects.filter(
+                user_config=config, can_view_projects=True
+            )
+            if config.is_intern and accessible_thematics.exists():
+                accessible_thematic_objs = list(accessible_thematics.values_list('thematic_id', flat=True))
+                thematic_project_ids = set(
+                    Project.objects.filter(
+                        thematics__pk__in=accessible_thematic_objs
+                    ).values_list('pk', flat=True)
+                )
+            member_project_ids = set(
+                ProjectUserAccess.objects.filter(user=user, can_view=True).values_list('project_id', flat=True)
+            )
+
+            accessible_project_ids = thematic_project_ids | member_project_ids
+            if accessible_project_ids:
+                project_doc_ids = set(
+                    DocumentAttachment.objects.filter(
+                        content_type=project_ct,
+                        object_id__in=accessible_project_ids,
+                    ).values_list('document_id', flat=True).distinct()
+                )
+                accessible_doc_ids |= project_doc_ids
+
+    if not hasattr(user, '_folder_cache'):
+        user._folder_cache = {}
+    user._folder_cache[cache_key] = accessible_doc_ids
+
+    return accessible_doc_ids
+
+
 def _collect_ancestor_ids(folder_ids: set[int]) -> set[int]:
     if not folder_ids:
         return set()
@@ -635,12 +818,9 @@ def _collect_ancestor_ids(folder_ids: set[int]) -> set[int]:
     seen = set(folder_ids)
     stack = list(folder_ids)
     
-    # Optimisation: récupérer toutes les relations parent en une seule requête
-    # au lieu de faire une requête par folder
     all_parent_relations = {}
     if stack:
         from .models import DocumentFolder
-        # Récupérer toutes les relations parent_folders pour tous les folders en une seule requête
         relations = DocumentFolder.child_folders.through.objects.filter(
             from_documentfolder_id__in=folder_ids
         ).values_list('from_documentfolder_id', 'to_documentfolder_id')
@@ -650,12 +830,10 @@ def _collect_ancestor_ids(folder_ids: set[int]) -> set[int]:
                 all_parent_relations[child_id] = []
             all_parent_relations[child_id].append(parent_id)
     
-    # Parcours itératif en utilisant les relations pré-chargées
     while stack:
         current_id = stack.pop()
         parent_ids = all_parent_relations.get(current_id, [])
         
-        # Si on découvre de nouveaux parents, on doit aussi charger leurs relations
         new_parents = [pid for pid in parent_ids if pid not in seen]
         if new_parents:
             new_relations = DocumentFolder.child_folders.through.objects.filter(
@@ -708,38 +886,45 @@ def filter_folders_for_user(
     if user is None or not getattr(user, "is_authenticated", False):
         return queryset.none()
 
-    if user_is_documents_admin(user):
+    if getattr(user, "is_superuser", False) or user_is_documents_admin(user):
         return queryset
 
+    config = getattr(user, "config", None)
+    is_intern = bool(config and getattr(config, "is_intern", False))
+
     allowed_permissions = list(_permissions_at_least(required_permission))
+    is_edit_check = _PERMISSION_ORDER.get(required_permission, 0) >= _PERMISSION_ORDER[ManagedDocument.PERMISSION_EDIT]
 
-    owned_ids = set(
-        queryset.filter(created_by=user).values_list("pk", flat=True)
-    )
-    shared_ids = set(
-        queryset.filter(
-            shares__user=user, shares__permission__in=allowed_permissions
-        ).values_list("pk", flat=True)
-    )
+    # 1. Base : créateur ou partage direct (DocumentFolderShare)
+    base_q = models.Q(created_by=user)
+    base_q |= models.Q(shares__user=user, shares__permission__in=allowed_permissions)
 
-    thematic_ids = set()
-    accessible_thematics = _get_accessible_thematic_ids(user)
+    # 2. Scope qualifié : thématiques directes ou objets attachés (DocumentFolderAttachment)
+    attached_folder_ids = _get_folder_ids_from_objects(user, edit_only=is_edit_check)
+    accessible_thematics = _get_editable_thematic_ids(user) if is_edit_check else _get_accessible_thematic_ids(user)
+
+    thematic_folder_ids: set[int] = set()
     if accessible_thematics:
-        thematic_ids = set(
-            queryset.filter(thematics__pk__in=accessible_thematics).values_list(
-                "pk", flat=True
-            )
+        thematic_folder_ids = set(
+            queryset.filter(thematics__pk__in=accessible_thematics).values_list("pk", flat=True)
         )
-        thematic_ids = _collect_descendant_ids(thematic_ids)
+        thematic_folder_ids = _filter_ids_by_contracts(thematic_folder_ids, user)
 
-    thematic_ids = _filter_ids_by_contracts(thematic_ids, user)
+    qualif_folder_ids = attached_folder_ids | thematic_folder_ids
 
-    # Ajouter les folders accessibles via les objets attachés (avec leurs sous-dossiers)
-    attached_object_ids = _get_folder_ids_from_accessible_objects(user)
+    if qualif_folder_ids:
+        internal_q = (
+            models.Q(visibility=VisibilityScope.INTERNAL, pk__in=qualif_folder_ids)
+            if is_intern
+            else models.Q(pk__in=[])
+        )
+        scoped_q = models.Q(visibility=VisibilityScope.SCOPED, pk__in=qualif_folder_ids)
+        filter_q = base_q | internal_q | scoped_q
+    else:
+        filter_q = base_q
 
-    visible_ids = owned_ids | shared_ids | thematic_ids | attached_object_ids
-
-    if include_ancestors:
+    visible_ids = set(queryset.filter(filter_q).values_list("pk", flat=True))
+    if include_ancestors and visible_ids:
         visible_ids = _collect_ancestor_ids(visible_ids)
 
     if not visible_ids:
@@ -763,75 +948,30 @@ def filter_folders_for_user(
 def user_can_browse_folder(user, folder: DocumentFolder) -> bool:
     """
     Vérifie si l'utilisateur peut naviguer dans le module documents vers ce folder.
-    
-    Cette fonction est utilisée pour déterminer si le lien vers le répertoire 
-    principal doit être affiché. L'utilisateur doit avoir accès au folder via:
-    - Être admin/superuser
-    - Être interne (is_intern=True) ET avoir le folder dans ses folders visibles
-    - Être externe avec can_access_view('documents') ET avoir le folder partagé
-    
-    Args:
-        user: L'utilisateur
-        folder: Le folder à vérifier
-        
-    Returns:
-        bool: True si l'utilisateur peut naviguer vers le folder
     """
     if user is None or not getattr(user, "is_authenticated", False):
         return False
 
-    from assets.permissions import can_view_exceptional_transport
-    if not can_view_exceptional_transport(user) and _is_exceptional_transport_folder(folder):
-        return False
-    
-    config = getattr(user, "config", None)
-    if not config:
-        return False
-    
-    # Les admins peuvent toujours accéder
     if user_is_documents_admin(user):
         return True
-    
-    # Les utilisateurs internes (managers, controllers, etc.) ont accès
-    # si le folder est dans leurs folders visibles (filtrage par thématiques/partages)
-    if config.is_intern:
-        visible_ids = get_user_visible_folder_ids(user)
-        return folder.pk in visible_ids
-    
-    # Les utilisateurs externes doivent avoir l'accès explicite à l'app documents
-    if not config.can_access_view('documents'):
-        return False
-    
-    # Vérifier si le folder a été partagé avec l'utilisateur
-    allowed_permissions = list(_permissions_at_least(ManagedDocument.PERMISSION_VIEW))
-    if folder.shares.filter(user=user, permission__in=allowed_permissions).exists():
-        return True
-    
-    # Vérifier si l'utilisateur est propriétaire du folder
-    if folder.created_by_id and folder.created_by_id == getattr(user, "pk", None):
-        return True
-    
-    return False
+
+    return user_has_folder_permission(user, folder, required_permission=ManagedDocument.PERMISSION_VIEW)
 
 
 def get_user_visible_folder_ids(user) -> set[int]:
     """Récupère les IDs des folders visibles par l'utilisateur (avec cache)."""
-    # Utiliser un cache au niveau de la requête
     cache_key = '_visible_folder_ids'
     if hasattr(user, '_folder_cache') and cache_key in user._folder_cache:
         return user._folder_cache[cache_key]
-    
+
     queryset = DocumentFolder.objects.all()
-    visible_qs = filter_folders_for_user(
-        queryset, user, include_ancestors=True
-    )
+    visible_qs = filter_folders_for_user(queryset, user, include_ancestors=True)
     visible_ids = set(visible_qs.values_list("pk", flat=True))
-    
-    # Mettre en cache
+
     if not hasattr(user, '_folder_cache'):
         user._folder_cache = {}
     user._folder_cache[cache_key] = visible_ids
-    
+
     return visible_ids
 
 
@@ -841,5 +981,8 @@ __all__ = [
     "get_user_visible_folder_ids",
     "user_is_documents_admin",
     "user_has_document_permission",
+    "user_has_folder_permission",
     "user_can_browse_folder",
+    "user_can_delete_document",
+    "user_is_internal_manager",
 ]
\ No newline at end of file
diff --git a/loko/documents/templates/documents/document_detail.html b/loko/documents/templates/documents/document_detail.html
index a741023..db3239f 100644
--- a/loko/documents/templates/documents/document_detail.html
+++ b/loko/documents/templates/documents/document_detail.html
@@ -21,6 +21,15 @@
         <div>
             <div class="d-flex align-items-center gap-2">
                 <h2 class="mb-1">{{ document.title }}</h2>
+                {% if document.visibility == "private" %}
+                    <span class="badge bg-dark" title="{% translate 'Private (Creator only)' %}"><i class="bi bi-lock-fill"></i> {% translate "Private" %}</span>
+                {% elif document.visibility == "restricted" %}
+                    <span class="badge bg-warning text-dark" title="{% translate 'Shared with specific users' %}"><i class="bi bi-people-fill"></i> {% translate "Shared" %}</span>
+                {% elif document.visibility == "scoped" %}
+                    <span class="badge bg-success" title="{% translate 'All qualified users (Internal & External)' %}"><i class="bi bi-globe"></i> {% translate "All qualified" %}</span>
+                {% else %}
+                    <span class="badge bg-primary" title="{% translate 'Internal (Thematics & Contracts)' %}"><i class="bi bi-building"></i> {% translate "Internal" %}</span>
+                {% endif %}
                 {% if can_edit_document %}
                     <button type="button" class="btn btn-sm btn-outline-secondary py-0 px-2" data-bs-toggle="modal" data-bs-target="#editDocumentModal" title="{% translate 'Modifier le titre et la description' %}">
                         <i class="bi bi-pencil"></i>
@@ -68,7 +77,11 @@
             </li>
             {% for folder in breadcrumbs %}
                 <li class="breadcrumb-item {% if forloop.last %}active{% endif %}">
-                    <a href="{% url 'documents:list' %}?folder={{ folder.slug }}">{{ folder.name }}</a>
+                    {% if folder.can_browse %}
+                        <a href="{% url 'documents:list' %}?folder={{ folder.slug }}">{{ folder.name }}</a>
+                    {% else %}
+                        <span class="text-muted">{{ folder.name }}</span>
+                    {% endif %}
                 </li>
             {% endfor %}
             <li class="breadcrumb-item active" aria-current="page">{{ document.title }}</li>
@@ -732,6 +745,15 @@ document.addEventListener('DOMContentLoaded', function () {
                         <label for="id_doc_description" class="form-label fw-bold">{% translate "Description" %}</label>
                         <textarea name="description" id="id_doc_description" class="form-control" rows="4" placeholder="{% translate 'Description facultative...' %}">{{ document.description }}</textarea>
                     </div>
+                    <div class="mb-3">
+                        <label for="id_doc_visibility" class="form-label fw-bold">{% translate "Visibilité" %} <span class="text-danger">*</span></label>
+                        <select name="visibility" id="id_doc_visibility" class="form-select">
+                            <option value="private" {% if document.visibility == "private" %}selected{% endif %}>{% translate "Privé (Créateur uniquement)" %}</option>
+                            <option value="restricted" {% if document.visibility == "restricted" %}selected{% endif %}>{% translate "Partagé avec certains utilisateurs" %}</option>
+                            <option value="internal" {% if document.visibility == "internal" %}selected{% endif %}>{% translate "Interne (Thématiques & Contrats)" %}</option>
+                            <option value="scoped" {% if document.visibility == "scoped" %}selected{% endif %}>{% translate "Tous les acteurs qualifiés (Internes & Externes)" %}</option>
+                        </select>
+                    </div>
                 </div>
                 <div class="modal-footer">
                     <button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">{% translate "Annuler" %}</button>
diff --git a/loko/documents/templates/documents/document_form.html b/loko/documents/templates/documents/document_form.html
index fd7ed5f..115e013 100644
--- a/loko/documents/templates/documents/document_form.html
+++ b/loko/documents/templates/documents/document_form.html
@@ -26,6 +26,22 @@
                     <div class="text-danger small">{{ form.description.errors }}</div>
                 {% endif %}
             </div>
+            <div class="row">
+                <div class="col-md-6 mb-3">
+                    <label class="form-label" for="id_visibility">{% translate "Visibility" %}</label>
+                    {{ form.visibility }}
+                    {% if form.visibility.errors %}
+                        <div class="text-danger small">{{ form.visibility.errors }}</div>
+                    {% endif %}
+                </div>
+                <div class="col-md-6 mb-3">
+                    <label class="form-label" for="id_thematics">{% translate "Thematics" %}</label>
+                    {{ form.thematics }}
+                    {% if form.thematics.errors %}
+                        <div class="text-danger small">{{ form.thematics.errors }}</div>
+                    {% endif %}
+                </div>
+            </div>
             <div class="row">
                 <div class="col-md-6 mb-3">
                     <label class="form-label" for="id_types">{% translate "Types" %}</label>
diff --git a/loko/documents/templates/documents/document_list.html b/loko/documents/templates/documents/document_list.html
index 47d48bf..2d9a2c5 100644
--- a/loko/documents/templates/documents/document_list.html
+++ b/loko/documents/templates/documents/document_list.html
@@ -28,8 +28,10 @@
                 <li class="breadcrumb-item {% if forloop.last %}active{% endif %}">
                     {% if forloop.last %}
                         {{ folder.name }}
-                    {% else %}
+                    {% elif folder.can_browse %}
                         <a href="{% url 'documents:list' %}?folder={{ folder.slug }}{% if current_sort and current_sort != 'name' %}&amp;sort={{ current_sort }}{% endif %}">{{ folder.name }}</a>
+                    {% else %}
+                        <span class="text-muted">{{ folder.name }}</span>
                     {% endif %}
                 </li>
             {% endfor %}
@@ -110,6 +112,13 @@
                                 <td>
                                     <i class="bi bi-folder {% if not folder.is_predefined %}text-warning{% endif %}"></i>
                                     <a href="{% url 'documents:list' %}?folder={{ folder.slug }}{% if current_sort and current_sort != 'name' %}&amp;sort={{ current_sort }}{% endif %}">{{ folder.name }}</a>
+                                    {% if folder.visibility == "private" %}
+                                        <span class="badge bg-dark ms-1" title="{% translate 'Privé (Créateur uniquement)' %}"><i class="bi bi-lock-fill"></i></span>
+                                    {% elif folder.visibility == "restricted" %}
+                                        <span class="badge bg-warning text-dark ms-1" title="{% translate 'Partagé avec certains utilisateurs' %}"><i class="bi bi-people-fill"></i></span>
+                                    {% elif folder.visibility == "scoped" %}
+                                        <span class="badge bg-success ms-1" title="{% translate 'Tous les acteurs qualifiés' %}"><i class="bi bi-globe"></i></span>
+                                    {% endif %}
                                 </td>
                                 <td>{{ folder.updated_at|date:"SHORT_DATETIME_FORMAT" }}</td>
                                 <td>{{ item.updated_by|default:"—" }}</td>
@@ -180,6 +189,13 @@
                                         <i class="bi bi-file-earmark"></i>
                                     {% endif %}
                                     <a href="{{ document.get_absolute_url }}">{{ document.title }}{% if document.get_file_extension %} ({{ document.get_file_extension }}){% endif %}</a>
+                                    {% if document.visibility == "private" %}
+                                        <span class="badge bg-dark ms-1" title="{% translate 'Privé (Créateur uniquement)' %}"><i class="bi bi-lock-fill"></i></span>
+                                    {% elif document.visibility == "restricted" %}
+                                        <span class="badge bg-warning text-dark ms-1" title="{% translate 'Partagé avec certains utilisateurs' %}"><i class="bi bi-people-fill"></i></span>
+                                    {% elif document.visibility == "scoped" %}
+                                        <span class="badge bg-success ms-1" title="{% translate 'Tous les acteurs qualifiés' %}"><i class="bi bi-globe"></i></span>
+                                    {% endif %}
                                 </td>
                                 <td>{{ document.updated_at|date:"SHORT_DATETIME_FORMAT" }}</td>
                                 <td>{{ item.updated_by|default:"—" }}</td>
diff --git a/loko/documents/tests.py b/loko/documents/tests.py
index 1f3ba48..11cdaa0 100644
--- a/loko/documents/tests.py
+++ b/loko/documents/tests.py
@@ -82,8 +82,12 @@ class DocumentPermissionTests(TestCase):
             )
         )
 
-    def test_folder_share_grants_access(self):
-        self.assertTrue(user_has_document_permission(self.folder_user, self.document))
+    def test_folder_share_grants_folder_access_not_document_access(self):
+        from .permissions import user_has_folder_permission
+        # Folder share grants access to the folder
+        self.assertTrue(user_has_folder_permission(self.folder_user, self.folder))
+        # But NOT to the document inside it (independence of folders and documents)
+        self.assertFalse(user_has_document_permission(self.folder_user, self.document))
 
     def test_superuser_has_access(self):
         self.assertTrue(user_has_document_permission(self.superuser, self.document))
@@ -98,7 +102,8 @@ class DocumentPermissionTests(TestCase):
         other_ids = set(filter_documents_for_user(queryset, self.other_user).values_list("pk", flat=True))
 
         self.assertEqual(shared_ids, {self.document.pk})
-        self.assertEqual(folder_ids, {self.document.pk})
+        # Folder share user does not automatically get the document
+        self.assertEqual(folder_ids, set())
         self.assertEqual(other_ids, set())
 
     def test_filter_documents_for_superuser_returns_all(self):
@@ -434,7 +439,7 @@ class DocumentDeletionPermissionTests(TestCase):
     def test_internal_manager_can_delete_thematic_asset_document_owned_by_others(self):
         from common.models import Thematic, UserThematics
         from assets.models import TrafficLightIntersection
-        from documents.models import DocumentFolderAttachment
+        from documents.models import DocumentAttachment, DocumentFolderAttachment
         from django.core.exceptions import PermissionDenied
 
         thematic, _ = Thematic.objects.get_or_create(
@@ -448,22 +453,21 @@ class DocumentDeletionPermissionTests(TestCase):
         sub_folder = DocumentFolder.objects.create(name="Subfolder Schemas", created_by=self.owner)
         sub_folder.parent_folders.add(root_folder)
 
-        DocumentFolderAttachment.objects.create(
-            folder=root_folder,
+        other_doc = ManagedDocument.objects.create(title="Other User Doc in Subfolder", created_by=self.owner)
+        other_doc.folders.add(sub_folder)
+        DocumentAttachment.objects.create(
+            document=other_doc,
             content_type=ContentType.objects.get_for_model(TrafficLightIntersection),
             object_id=intersection.pk,
         )
 
-        other_doc = ManagedDocument.objects.create(title="Other User Doc in Subfolder", created_by=self.owner)
-        other_doc.folders.add(sub_folder)
-
-        # The manager with edit rights on trafficlights should be allowed to delete the document in the subfolder
+        # The manager with edit rights on trafficlights should be allowed to delete the document
         ensure_document_deletable(other_doc, self.manager)
 
     def test_internal_manager_without_edit_rights_cannot_delete_thematic_asset_document_owned_by_others(self):
         from common.models import Thematic, UserThematics
         from assets.models import TrafficLightIntersection
-        from documents.models import DocumentFolderAttachment
+        from documents.models import DocumentAttachment, DocumentFolderAttachment
         from django.core.exceptions import PermissionDenied
 
         thematic, _ = Thematic.objects.get_or_create(
@@ -476,15 +480,14 @@ class DocumentDeletionPermissionTests(TestCase):
         intersection = TrafficLightIntersection.objects.create(code="TL-TEST-2", name_fr="Carrefour Test 2")
         root_folder = DocumentFolder.objects.create(name="Root Intersection Folder 2", created_by=self.owner)
 
-        DocumentFolderAttachment.objects.create(
-            folder=root_folder,
+        other_doc = ManagedDocument.objects.create(title="Other User Doc 2", created_by=self.owner)
+        other_doc.folders.add(root_folder)
+        DocumentAttachment.objects.create(
+            document=other_doc,
             content_type=ContentType.objects.get_for_model(TrafficLightIntersection),
             object_id=intersection.pk,
         )
 
-        other_doc = ManagedDocument.objects.create(title="Other User Doc 2", created_by=self.owner)
-        other_doc.folders.add(root_folder)
-
         # Deletion should raise PermissionDenied because manager lacks edit rights on the thematic
         with self.assertRaises(PermissionDenied):
             ensure_document_deletable(other_doc, self.manager)
@@ -492,7 +495,7 @@ class DocumentDeletionPermissionTests(TestCase):
     def test_document_list_view_renders_delete_button_when_user_has_permission(self):
         from common.models import Thematic, UserThematics
         from assets.models import TrafficLightIntersection
-        from documents.models import DocumentFolderAttachment
+        from documents.models import DocumentAttachment, DocumentFolderAttachment
 
         thematic, _ = Thematic.objects.get_or_create(
             code="trafficlights",
@@ -502,7 +505,6 @@ class DocumentDeletionPermissionTests(TestCase):
 
         intersection = TrafficLightIntersection.objects.create(code="TL-LIST-1", name_fr="Carrefour List 1")
         root_folder = DocumentFolder.objects.create(name="Root Intersection Folder List", created_by=self.owner)
-
         DocumentFolderAttachment.objects.create(
             folder=root_folder,
             content_type=ContentType.objects.get_for_model(TrafficLightIntersection),
@@ -511,6 +513,11 @@ class DocumentDeletionPermissionTests(TestCase):
 
         other_doc = ManagedDocument.objects.create(title="Other User Doc List Test", created_by=self.owner)
         other_doc.folders.add(root_folder)
+        DocumentAttachment.objects.create(
+            document=other_doc,
+            content_type=ContentType.objects.get_for_model(TrafficLightIntersection),
+            object_id=intersection.pk,
+        )
 
         self.client.force_login(self.manager)
         response = self.client.get(reverse("documents:list"), {"folder": root_folder.slug})
@@ -521,7 +528,7 @@ class DocumentDeletionPermissionTests(TestCase):
     def test_document_list_view_hides_delete_button_when_user_lacks_permission(self):
         from common.models import Thematic, UserThematics
         from assets.models import TrafficLightIntersection
-        from documents.models import DocumentFolderAttachment
+        from documents.models import DocumentAttachment, DocumentFolderAttachment
 
         thematic, _ = Thematic.objects.get_or_create(
             code="trafficlights",
@@ -531,7 +538,6 @@ class DocumentDeletionPermissionTests(TestCase):
 
         intersection = TrafficLightIntersection.objects.create(code="TL-LIST-2", name_fr="Carrefour List 2")
         root_folder = DocumentFolder.objects.create(name="Root Intersection Folder List 2", created_by=self.owner)
-
         DocumentFolderAttachment.objects.create(
             folder=root_folder,
             content_type=ContentType.objects.get_for_model(TrafficLightIntersection),
@@ -540,6 +546,11 @@ class DocumentDeletionPermissionTests(TestCase):
 
         other_doc = ManagedDocument.objects.create(title="Other User Doc List Test 2", created_by=self.owner)
         other_doc.folders.add(root_folder)
+        DocumentAttachment.objects.create(
+            document=other_doc,
+            content_type=ContentType.objects.get_for_model(TrafficLightIntersection),
+            object_id=intersection.pk,
+        )
 
         self.client.force_login(self.manager)
         response = self.client.get(reverse("documents:list"), {"folder": root_folder.slug})
@@ -856,4 +867,144 @@ class DocumentUpdateViewTests(TestCase):
         self.assertEqual(response.status_code, 200)
         self.assertContains(response, "editDocumentModal")
         self.assertContains(response, 'value="Original Title"')
+
+
+class DocumentVisibilityAndIndependenceTests(TestCase):
+    def setUp(self):
+        from common.models import Thematic, UserThematics
+        from .models import VisibilityScope
+        from .permissions import user_has_document_permission, user_has_folder_permission, user_can_browse_folder
+
+        self.thematic = Thematic.objects.create(code="roads", name_fr="Voirie", name_nl="Wegen")
+
+        # Internal user with thematic
+        self.internal_user = User.objects.create_user(username="intern_user", password="pwd")
+        self.internal_config = UserConfig.objects.create(user=self.internal_user, is_intern=True)
+        UserThematics.objects.create(user_config=self.internal_config, thematic=self.thematic, can_view_assets=True)
+
+        # External user with thematic
+        self.external_user = User.objects.create_user(username="extern_user", password="pwd")
+        self.external_config = UserConfig.objects.create(user=self.external_user, is_intern=False)
+        UserThematics.objects.create(user_config=self.external_config, thematic=self.thematic, can_view_assets=True)
+
+        # User without thematic
+        self.other_user = User.objects.create_user(username="other_unrelated", password="pwd")
+        UserConfig.objects.create(user=self.other_user, is_intern=True)
+
+        self.creator = User.objects.create_user(username="creator_user", password="pwd")
+        UserConfig.objects.create(user=self.creator, is_intern=True)
+
+    def test_visibility_private(self):
+        from .models import VisibilityScope
+        from .permissions import user_has_document_permission, filter_documents_for_user
+
+        doc = ManagedDocument.objects.create(
+            title="Private Doc",
+            created_by=self.creator,
+            visibility=VisibilityScope.PRIVATE,
+        )
+        doc.thematics.add(self.thematic)
+
+        # Only creator can view
+        self.assertTrue(user_has_document_permission(self.creator, doc))
+        self.assertFalse(user_has_document_permission(self.internal_user, doc))
+        self.assertFalse(user_has_document_permission(self.external_user, doc))
+        self.assertFalse(user_has_document_permission(self.other_user, doc))
+
+    def test_visibility_restricted(self):
+        from .models import VisibilityScope
+        from .permissions import user_has_document_permission
+
+        doc = ManagedDocument.objects.create(
+            title="Restricted Doc",
+            created_by=self.creator,
+            visibility=VisibilityScope.RESTRICTED,
+        )
+        doc.thematics.add(self.thematic)
+
+        # Before sharing: only creator
+        self.assertTrue(user_has_document_permission(self.creator, doc))
+        self.assertFalse(user_has_document_permission(self.external_user, doc))
+
+        # Share with external user
+        DocumentShare.objects.create(document=doc, user=self.external_user, permission=ManagedDocument.PERMISSION_VIEW)
+        self.assertTrue(user_has_document_permission(self.external_user, doc))
+        self.assertFalse(user_has_document_permission(self.internal_user, doc))
+
+    def test_visibility_internal(self):
+        from .models import VisibilityScope
+        from .permissions import user_has_document_permission
+
+        doc = ManagedDocument.objects.create(
+            title="Internal Doc",
+            created_by=self.creator,
+            visibility=VisibilityScope.INTERNAL,
+        )
+        doc.thematics.add(self.thematic)
+
+        # Internal with thematic has access
+        self.assertTrue(user_has_document_permission(self.internal_user, doc))
+        # External with thematic has NO access to internal
+        self.assertFalse(user_has_document_permission(self.external_user, doc))
+        # Internal without thematic has NO access
+        self.assertFalse(user_has_document_permission(self.other_user, doc))
+
+    def test_visibility_scoped(self):
+        from .models import VisibilityScope
+        from .permissions import user_has_document_permission
+
+        doc = ManagedDocument.objects.create(
+            title="Scoped Doc",
+            created_by=self.creator,
+            visibility=VisibilityScope.SCOPED,
+        )
+        doc.thematics.add(self.thematic)
+
+        # Both internal and external with thematic have access
+        self.assertTrue(user_has_document_permission(self.internal_user, doc))
+        self.assertTrue(user_has_document_permission(self.external_user, doc))
+        # User without thematic has NO access
+        self.assertFalse(user_has_document_permission(self.other_user, doc))
+
+    def test_folder_and_document_independence(self):
+        """
+        External user has access to document D (scoped) in folder R (internal).
+        User can access document D, but cannot browse folder R.
+        """
+        from .models import VisibilityScope
+        from .permissions import user_has_document_permission, user_can_browse_folder
+
+        folder = DocumentFolder.objects.create(
+            name="Internal Folder R",
+            slug="folder-r",
+            created_by=self.creator,
+            visibility=VisibilityScope.INTERNAL,
+        )
+        folder.thematics.add(self.thematic)
+
+        doc = ManagedDocument.objects.create(
+            title="Scoped Document D",
+            created_by=self.creator,
+            visibility=VisibilityScope.SCOPED,
+        )
+        doc.thematics.add(self.thematic)
+        doc.folders.add(folder)
+
+        # External user can access document D
+        self.assertTrue(user_has_document_permission(self.external_user, doc))
+        # External user CANNOT browse internal folder R
+        self.assertFalse(user_can_browse_folder(self.external_user, folder))
+
+        # Test UI Detail View breadcrumb: folder R should not be clickable for external user
+        self.client.force_login(self.external_user)
+        response = self.client.get(doc.get_absolute_url())
+        self.assertEqual(response.status_code, 200)
+        # Breadcrumb should display folder name as plain text (not as a link)
+        self.assertContains(response, f'<span class="text-muted">{folder.name}</span>')
+        self.assertNotContains(response, f'?folder={folder.slug}">')
+
+        # When external user attempts to open folder R in list view -> 404
+        folder_response = self.client.get(reverse("documents:list"), {"folder": folder.slug})
+        self.assertEqual(folder_response.status_code, 404)
+
 
\ No newline at end of file
diff --git a/loko/documents/views.py b/loko/documents/views.py
index 9d0075b..4126d75 100644
--- a/loko/documents/views.py
+++ b/loko/documents/views.py
@@ -46,10 +46,12 @@ from .permissions import (
     filter_documents_for_user,
     filter_folders_for_user,
     get_user_visible_folder_ids,
+    user_can_browse_folder,
     user_can_delete_document,
-    user_is_internal_manager,
     user_has_document_permission,
+    user_has_folder_permission,
     user_is_documents_admin,
+    user_is_internal_manager,
 )
 
 
@@ -76,15 +78,18 @@ class DocumentsAppAccessMixin:
             return super().dispatch(request, *args, **kwargs)
         
         # Les utilisateurs internes (managers, controllers, etc.) ont accès
-        # Le filtrage des dossiers/documents est assuré par filter_folders_for_user
         if config.is_intern:
             return super().dispatch(request, *args, **kwargs)
+
+        # Les utilisateurs externes qui ont accès à au moins un document ou dossier
+        if filter_documents_for_user(ManagedDocument.objects.all(), request.user).exists() or filter_folders_for_user(DocumentFolder.objects.all(), request.user).exists():
+            return super().dispatch(request, *args, **kwargs)
         
         raise PermissionDenied(_("You don't have access to the document management module."))
 
 
 def get_folder_navigation_context(user, current_folder=None):
-    breadcrumbs = get_folder_breadcrumb(current_folder)
+    breadcrumbs = get_folder_breadcrumb(current_folder, user=user)
     return {
         "root_folders": get_root_folders(user),
         "folder_tree": build_folder_tree(user, current_folder=current_folder),
@@ -127,7 +132,7 @@ def get_descendant_folder_ids(folder, visible_ids=None):
     return descendant_ids
 
 
-def get_folder_breadcrumb(folder):
+def get_folder_breadcrumb(folder, user=None):
     if folder is None:
         return []
 
@@ -136,6 +141,10 @@ def get_folder_breadcrumb(folder):
     current = folder
 
     while current and current.pk not in visited:
+        if user is not None:
+            current.can_browse = user_can_browse_folder(user, current)
+        else:
+            current.can_browse = True
         breadcrumb.append(current)
         visited.add(current.pk)
         parents = list(current.parent_folders.all())
@@ -303,7 +312,7 @@ class DocumentListView(DocumentsAppAccessMixin, LoginRequiredMixin, ListView):
                 self.request.user, getattr(self, "current_folder", None)
             )
         )
-        context.setdefault("breadcrumbs", get_folder_breadcrumb(getattr(self, "current_folder", None)))
+        context.setdefault("breadcrumbs", get_folder_breadcrumb(getattr(self, "current_folder", None), user=self.request.user))
 
         folder_slug = self.request.GET.get("folder")
         current_folder = getattr(self, "current_folder", None)
@@ -367,7 +376,7 @@ class DocumentListView(DocumentsAppAccessMixin, LoginRequiredMixin, ListView):
         context["visible_folders"] = visible_folders
         context["subfolders"] = visible_folders
 
-        breadcrumbs = get_folder_breadcrumb(current_folder)
+        breadcrumbs = get_folder_breadcrumb(current_folder, user=self.request.user)
         context["breadcrumbs"] = breadcrumbs
 
         active_folder_slug = current_folder.slug if current_folder else None
@@ -972,7 +981,7 @@ class DocumentDetailView(DocumentsAppAccessMixin, LoginRequiredMixin, DetailView
         active_folder_slug = navigation_folder.slug if navigation_folder else None
         context["active_folder_slug"] = active_folder_slug
 
-        breadcrumbs = get_folder_breadcrumb(navigation_folder)
+        breadcrumbs = get_folder_breadcrumb(navigation_folder, user=self.request.user)
         context["breadcrumbs"] = breadcrumbs
         context["active_trail_slugs"] = [folder.slug for folder in breadcrumbs]
         context["document_breadcrumb"] = breadcrumbs + ([document] if document else [])