diff --git a/tests/test_draco_barre.py b/tests/test_draco_barre.py
index 1037957..eb14045 100644
--- a/tests/test_draco_barre.py
+++ b/tests/test_draco_barre.py
@@ -37,13 +37,22 @@ def test_menu_des_applications_par_la_marque():
     # v0.1.3 : la marque ouvre le menu des applications
     # (changement d'app en mobile). v0.1.10 : la marque n'est plus
     # le glyphe ✦ à 24 px mais le logo Spark en img 26 px.
+    # v0.1.11 : la marque n'est plus le logo rouge mais l'étoile
+    # Spark monochrome (brand-spark.png) ; l'onglet agent, lui,
+    # garde le logo rouge.
     html = _index()
     assert 'data-act="apps"' in html
     js = (FRONTEND / "draco-barre.js").read_text(encoding="utf-8")
     assert "draco-apps-menu" in js
-    assert '<span class="draco-brand-mark"><img src="/static/img/logos/spark.png"' in html
+    assert '<span class="draco-brand-mark"><img src="/static/img/brand-spark.png"' in html
     assert ".draco-brand-mark img" in _css()
     assert "width: 26px" in _css()
+    assert "filter: brightness(0)" in _css()
+    assert '[data-theme="dark"] .draco-bar .draco-brand-mark img { filter: none; }' in _css()
+    assert 'data-icon="agent"><img src="/static/img/logos/spark.png"' in html
+    assert "border: 3px solid var(--agent)" in _css()
+    recherche = (FRONTEND / "recherche.html").read_text(encoding="utf-8")
+    assert '<span class="draco-brand-mark"><img src="/static/img/brand-spark.png"' in recherche
 
 
 def test_panneau_spark_integre_218():