diff --git a/json_to_md.py b/json_to_md.py
index 6c7fad2bd..008e3a58c 100644
--- a/json_to_md.py
+++ b/json_to_md.py
@@ -4,6 +4,26 @@ import json
 import argparse
 import os
 import re
+from collections import defaultdict
+import os
+
+def build_tree(nodeids):
+    tree = lambda: defaultdict(tree)
+    root = tree()
+    for nid in nodeids:
+        parts = nid.replace("\\", "/").split("/")  # normalize path
+        current = root
+        for part in parts:
+            current = current[part]
+    return root
+
+def write_tree(f, subtree, path=""):
+    for key in sorted(subtree):
+        full_path = f"{path}/{key}" if path else key
+        f.write(f"<details>\n<summary>📁 `{full_path}`</summary>\n\n")
+        if subtree[key]:  # has children
+            write_tree(f, subtree[key], full_path)
+        f.write("</details>\n\n")
 
 def stringify(obj):
     if obj is None or obj == "":
@@ -73,41 +93,40 @@ def json_to_md_nested(json_path, md_path, allure_dir=None):
         if "collectors" in data:
             f.write("## 📚 Collectés\n")
 
-            # Group by file / subpath
-            grouped_collectors = defaultdict(list)
+            # 1. Collect all nodeids that represent paths
+            nodeids = [collector.get("nodeid", "unknown").split("::")[0] for collector in data["collectors"]]
+
+            # 2. Build directory tree from paths
+            dir_tree = build_tree(nodeids)
+
+            # 3. Write the tree recursively
+            write_tree(f, dir_tree)
+
+            # 4. Ensuite, tu peux afficher les détails pour chaque vrai test (en dehors de la hiérarchie)
             for collector in data["collectors"]:
                 nodeid = collector.get("nodeid", "unknown")
-                base = nodeid.split("::")[0].replace("\\", "/")  # Normalize paths
-                grouped_collectors[base].append(collector)
+                outcome = collector.get("outcome", "unknown")
+                emoji = "✅" if outcome == "passed" else "❌"
+                f.write(f"<details>\n<summary>{emoji} `{nodeid}`</summary>\n\n")
+                f.write(f"- **outcome:** `{outcome}`\n")
 
-            for base_path in sorted(grouped_collectors):
-                f.write(f"<details>\n<summary>📁 `{base_path}`</summary>\n\n")
-                for collector in grouped_collectors[base_path]:
-                    outcome = collector.get("outcome", "unknown")
-                    emoji = "✅" if outcome == "passed" else "❌"
-                    nodeid = collector.get("nodeid", "unknown")
-                    short_node = nodeid.split("[")[0]
-
-                    f.write(f"<details>\n<summary>{emoji} `{short_node}`</summary>\n\n")
-                    f.write(f"- **outcome:** `{outcome}`\n")
-
-                    results = collector.get("result", [])
-                    if results:
-                        f.write("- **result:**\n```\n")
-                        for item in results:
-                            if isinstance(item, dict):
-                                for k, v in item.items():
-                                    f.write(f"{k}: {v}\n")
-                                f.write("\n")
-                            else:
-                                f.write(f"{item}\n")
-                        f.write("```\n")
-                    else:
-                        f.write("- **result:** `None`\n")
-                    f.write("</details>\n\n")
+                results = collector.get("result", [])
+                if results:
+                    f.write("- **result:**\n```\n")
+                    for item in results:
+                        if isinstance(item, dict):
+                            for k, v in item.items():
+                                f.write(f"{k}: {v}\n")
+                            f.write("\n")
+                        else:
+                            f.write(f"{item}\n")
+                    f.write("```\n")
+                else:
+                    f.write("- **result:** `None`\n")
                 f.write("</details>\n\n")
 
 
+
         if "tests" in data:
             f.write("## 🔎 Tests\n")
             grouped = defaultdict(lambda: defaultdict(list))