diff --git a/frontend-v2/src/lib/pages/brain/AtelierBrainPage.svelte b/frontend-v2/src/lib/pages/brain/AtelierBrainPage.svelte
index 01bb3c1..ca27fa8 100644
--- a/frontend-v2/src/lib/pages/brain/AtelierBrainPage.svelte
+++ b/frontend-v2/src/lib/pages/brain/AtelierBrainPage.svelte
@@ -920,10 +920,10 @@
 
   .viewer-layout {
     display: grid;
-    grid-template-columns: 1fr 300px;
-    width: 90vw;
-    max-width: 1100px;
-    height: 80vh;
+    grid-template-columns: 1fr 440px;
+    width: 94vw;
+    max-width: 1300px;
+    height: 85vh;
     border-radius: 24px;
     overflow: hidden;
     box-shadow: 0 32px 80px rgba(18,13,10,0.3);
@@ -961,11 +961,11 @@
   .viewer-sidebar {
     background: linear-gradient(180deg, #f8f1e8 0%, #f3eadc 100%);
     border-left: 1px solid rgba(35,26,17,0.08);
-    padding: 22px;
+    padding: 28px;
     overflow-y: auto;
     display: flex;
     flex-direction: column;
-    gap: 14px;
+    gap: 18px;
   }
 
   .viewer-sidebar-header {
diff --git a/services/brain/app/search/engine.py b/services/brain/app/search/engine.py
index 13e70b4..de4ac8d 100644
--- a/services/brain/app/search/engine.py
+++ b/services/brain/app/search/engine.py
@@ -37,8 +37,8 @@ async def _meili_request(method: str, path: str, json_data: dict = None) -> dict
 async def ensure_meili_index():
     """Create the Meilisearch index if it doesn't exist."""
     await _meili_request("POST", "indexes", {"uid": MEILI_INDEX, "primaryKey": "id"})
-    # Set filterable attributes
-    await _meili_request("PUT", f"indexes/{MEILI_INDEX}/settings", {
+    # Set filterable attributes (PATCH for Meilisearch v1.x)
+    await _meili_request("PATCH", f"indexes/{MEILI_INDEX}/settings", {
         "filterableAttributes": ["user_id", "folder", "tags", "type", "processing_status"],
         "searchableAttributes": ["title", "extracted_text", "summary", "url"],
         "sortableAttributes": ["created_at"],