diff --git a/resources/views/components/infrastructure/⚡index.blade.php b/resources/views/components/infrastructure/⚡index.blade.php
index c4b807e..f7ae421 100644
--- a/resources/views/components/infrastructure/⚡index.blade.php
+++ b/resources/views/components/infrastructure/⚡index.blade.php
@@ -80,6 +80,42 @@ new class extends Component
         session()->flash('status', "« {$document->name} » supprimé.");
     }
 
+    public function moveDocument(int $documentId, ?int $targetFolderId): void
+    {
+        $document = $this->organization->documents()->where('type', 'diagram')->findOrFail($documentId);
+
+        if ($document->id === $targetFolderId) {
+            return;
+        }
+
+        if ($targetFolderId !== null) {
+            $targetFolder = $this->organization->documents()->where('type', 'diagram')->find($targetFolderId);
+
+            if (! $targetFolder || ! $targetFolder->isFolder()) {
+                return;
+            }
+
+            // Prevent moving a folder into itself or one of its own descendants.
+            if ($document->isFolder()) {
+                $walk = $targetFolder;
+                while ($walk) {
+                    if ($walk->id === $document->id) {
+                        return;
+                    }
+                    $walk = $walk->folder;
+                }
+            }
+        }
+
+        if ($document->folder_id === $targetFolderId) {
+            return;
+        }
+
+        $document->update(['folder_id' => $targetFolderId]);
+
+        session()->flash('status', "« {$document->name} » déplacé.");
+    }
+
     private function folderTree(\Illuminate\Support\Collection $allFolders): \Illuminate\Support\Collection
     {
         $byParent = $allFolders->groupBy('folder_id');
@@ -190,7 +226,11 @@ new class extends Component
         </form>
     @endif
 
-    <div class="overflow-hidden rounded border border-slate-200 bg-white">
+    @if ($items->isNotEmpty())
+        <p class="mb-2 text-xs text-slate-400">Astuce : glissez-déposez un élément sur un dossier pour le déplacer.</p>
+    @endif
+
+    <div class="overflow-hidden rounded border border-slate-200 bg-white" x-data="{ draggingId: null, overId: null }">
         <table class="min-w-full divide-y divide-slate-200 text-sm">
             <thead class="bg-slate-50 text-left text-xs uppercase tracking-wide text-slate-500">
                 <tr>
@@ -203,7 +243,17 @@ new class extends Component
             <tbody class="divide-y divide-slate-100">
                 @forelse ($items as $item)
                     @php $isFolder = $item->isFolder(); @endphp
-                    <tr wire:key="diagram-{{ $item->id }}">
+                    <tr wire:key="diagram-{{ $item->id }}"
+                        draggable="true"
+                        x-on:dragstart="draggingId = {{ $item->id }}"
+                        x-on:dragend="draggingId = null; overId = null"
+                        @if ($isFolder)
+                            x-on:dragover.prevent="if (draggingId !== {{ $item->id }}) overId = {{ $item->id }}"
+                            x-on:dragleave="if (overId === {{ $item->id }}) overId = null"
+                            x-on:drop.prevent="if (draggingId && draggingId !== {{ $item->id }}) { $wire.moveDocument(draggingId, {{ $item->id }}); } draggingId = null; overId = null"
+                        @endif
+                        :class="draggingId === {{ $item->id }} ? 'opacity-40' : (overId === {{ $item->id }} ? 'bg-slate-100 ring-1 ring-inset ring-slate-400' : '')"
+                        class="cursor-move">
                         <td class="px-4 py-3">
                             @if ($isFolder)
                                 <a wire:click="$set('folderId', {{ $item->id }})" href="#" class="font-medium text-slate-900 hover:underline">
@@ -217,10 +267,40 @@ new class extends Component
                         </td>
                         <td class="px-4 py-3 text-slate-600">{{ $isFolder ? '—' : ($item->location?->name ?? '—') }}</td>
                         <td class="px-4 py-3 text-slate-600">{{ $item->updated_at->diffForHumans() }}</td>
-                        <td class="px-4 py-3 text-right">
+                        <td class="px-4 py-3 text-right whitespace-nowrap">
                             @unless ($isFolder)
                                 <a href="{{ route('organizations.infrastructure.edit', [$organization, $item, 'folderId' => $this->folderId]) }}" class="text-slate-500 hover:text-slate-900">Ouvrir</a>
                             @endunless
+                            @php
+                                // Exclude the item's own subtree (if it's a folder) so it can't be moved into itself or a descendant.
+                                $excludedIds = [$item->id, $item->folder_id];
+                                if ($isFolder) {
+                                    $stack = [$item->id];
+                                    while ($stack) {
+                                        $id = array_pop($stack);
+                                        foreach ($folderTree as $node) {
+                                            if ($node['folder']->folder_id === $id) {
+                                                $excludedIds[] = $node['folder']->id;
+                                                $stack[] = $node['folder']->id;
+                                            }
+                                        }
+                                    }
+                                }
+                                $moveTargets = $folderTree->reject(fn ($node) => in_array($node['folder']->id, $excludedIds, true));
+                            @endphp
+                            @if ($moveTargets->isNotEmpty() || $item->folder_id !== null)
+                                <select wire:change="moveDocument({{ $item->id }}, $event.target.value === '' ? null : $event.target.value)"
+                                        class="ml-3 rounded border-slate-300 text-xs shadow-sm focus:border-slate-500 focus:ring-slate-500"
+                                        onclick="event.stopPropagation()">
+                                    <option value="" selected disabled>Déplacer vers...</option>
+                                    @if ($item->folder_id !== null)
+                                        <option value="">🏠 Racine</option>
+                                    @endif
+                                    @foreach ($moveTargets as $node)
+                                        <option value="{{ $node['folder']->id }}">{{ str_repeat('　', $node['depth']) }}{{ $node['depth'] > 0 ? '└ ' : '' }}📁 {{ $node['folder']->name }}</option>
+                                    @endforeach
+                                </select>
+                            @endif
                             <button type="button"
                                     wire:click="delete({{ $item->id }})"
                                     wire:confirm="Supprimer ce {{ $isFolder ? 'dossier' : 'schéma' }} ? Cette action est irréversible."
@@ -236,5 +316,15 @@ new class extends Component
                 @endforelse
             </tbody>
         </table>
+
+        @if ($currentFolder)
+            <div class="border-t border-slate-200 px-4 py-3 text-sm text-slate-500"
+                 x-on:dragover.prevent="overId = 'up'"
+                 x-on:dragleave="if (overId === 'up') overId = null"
+                 x-on:drop.prevent="if (draggingId) { $wire.moveDocument(draggingId, {{ $currentFolder->folder_id ?? 'null' }}); } draggingId = null; overId = null"
+                 :class="overId === 'up' ? 'bg-slate-100 ring-1 ring-inset ring-slate-400' : ''">
+                ⬆️ Glisser ici pour remonter au dossier parent
+            </div>
+        @endif
     </div>
 </div>
diff --git a/tests/Feature/InfrastructureTest.php b/tests/Feature/InfrastructureTest.php
index b0c9633..a63ca8b 100644
--- a/tests/Feature/InfrastructureTest.php
+++ b/tests/Feature/InfrastructureTest.php
@@ -159,4 +159,64 @@ class InfrastructureTest extends TestCase
         Livewire::test('infrastructure.index', ['organization' => $org, 'locationId' => $otherLocation->id])
             ->assertDontSee('Schéma test');
     }
+
+    public function test_can_move_a_diagram_into_a_folder_and_back_to_the_root(): void
+    {
+        $user = User::factory()->create();
+        $org = Organization::create(['name' => 'Test Commune', 'slug' => 'test-commune', 'org_type' => 'client']);
+
+        $folder = $org->documents()->create(['name' => 'Réseau', 'type' => 'diagram', 'is_folder' => true, 'created_by' => $user->id]);
+        $diagram = $org->documents()->create([
+            'name' => 'Schéma test', 'type' => 'diagram', 'content' => '<mxfile></mxfile>',
+            'current_version' => 1, 'created_by' => $user->id,
+        ]);
+
+        $this->actingAs($user);
+
+        Livewire::test('infrastructure.index', ['organization' => $org])
+            ->call('moveDocument', $diagram->id, $folder->id);
+
+        $this->assertSame($folder->id, $diagram->refresh()->folder_id);
+
+        Livewire::test('infrastructure.index', ['organization' => $org])
+            ->call('moveDocument', $diagram->id, null);
+
+        $this->assertNull($diagram->refresh()->folder_id);
+    }
+
+    public function test_cannot_move_a_folder_into_its_own_descendant(): void
+    {
+        $user = User::factory()->create();
+        $org = Organization::create(['name' => 'Test Commune', 'slug' => 'test-commune', 'org_type' => 'client']);
+
+        $parent = $org->documents()->create(['name' => 'Parent', 'type' => 'diagram', 'is_folder' => true, 'created_by' => $user->id]);
+        $child = $org->documents()->create(['name' => 'Enfant', 'type' => 'diagram', 'is_folder' => true, 'folder_id' => $parent->id, 'created_by' => $user->id]);
+
+        $this->actingAs($user);
+
+        Livewire::test('infrastructure.index', ['organization' => $org])
+            ->call('moveDocument', $parent->id, $child->id);
+
+        $this->assertNull($parent->refresh()->folder_id);
+    }
+
+    public function test_moving_an_item_is_scoped_to_diagram_type_documents(): void
+    {
+        $user = User::factory()->create();
+        $org = Organization::create(['name' => 'Test Commune', 'slug' => 'test-commune', 'org_type' => 'client']);
+
+        $regularFolder = $org->documents()->create(['name' => 'Dossier documents', 'is_folder' => true, 'created_by' => $user->id]);
+        $diagram = $org->documents()->create([
+            'name' => 'Schéma test', 'type' => 'diagram', 'content' => '<mxfile></mxfile>',
+            'current_version' => 1, 'created_by' => $user->id,
+        ]);
+
+        $this->actingAs($user);
+
+        // A plain (non-diagram) folder must not be a valid drop target from Infrastructure.
+        Livewire::test('infrastructure.index', ['organization' => $org])
+            ->call('moveDocument', $diagram->id, $regularFolder->id);
+
+        $this->assertNull($diagram->refresh()->folder_id);
+    }
 }