diff --git a/screens/elements/save_element_controls.py b/screens/elements/save_element_controls.py
index 142d34b7..a5c66542 100644
--- a/screens/elements/save_element_controls.py
+++ b/screens/elements/save_element_controls.py
@@ -6,6 +6,16 @@ from ..widgets.widget_meta import widget_meta
 from .get_element import get_element
 
 
+def _hex_to_rgb(hex_color):
+    h = (hex_color or "").lstrip("#")
+    if len(h) != 6:
+        return (0, 0, 0)
+    try:
+        return tuple(int(h[i:i + 2], 16) for i in (0, 2, 4))
+    except ValueError:
+        return (0, 0, 0)
+
+
 def _is_default_value(control, raw_value):
     """Compare la valeur reçue du formulaire à la valeur par défaut du
     réglage (en tenant compte de l'unité ajoutée pour les sliders), pour
@@ -83,6 +93,37 @@ def save_element_controls(slug, element_id, form):
                 style[name] = f"{num_str}{unit}"
             continue
 
+        if ctype == "shadow":
+            # 6 entrées de formulaire (décalage X/Y, flou, étendue, couleur,
+            # opacité — voir c_shadow.py) combinées en une seule valeur CSS
+            # "box-shadow" (couleur+opacité fusionnées en rgba(), un
+            # <input type="color"> seul ne portant pas de canal alpha).
+            _kind, name = control["target"].split(":", 1)
+            defaults = control.get("default", {})
+
+            def _num(suffix, fallback):
+                try:
+                    return float(form.get(field_name + suffix, fallback))
+                except (TypeError, ValueError):
+                    return fallback
+
+            x = _num("_x", defaults.get("x", 0))
+            y = _num("_y", defaults.get("y", 4))
+            blur = _num("_blur", defaults.get("blur", 12))
+            spread = _num("_spread", defaults.get("spread", 0))
+            opacity = _num("_opacity", defaults.get("opacity", 0.4))
+            color = form.get(field_name + "_color") or defaults.get("color", "#000000")
+            if x == 0 and y == 0 and blur == 0 and spread == 0:
+                style.pop(name, None)
+            else:
+                r, g, b = _hex_to_rgb(color)
+
+                def _px(n):
+                    return str(int(n)) if n == int(n) else str(n)
+
+                style[name] = f"{_px(x)}px {_px(y)}px {_px(blur)}px {_px(spread)}px rgba({r}, {g}, {b}, {opacity})"
+            continue
+
         target = control["target"]
         if ctype == "checkbox":
             checked = form.get(field_name) is not None
diff --git a/screens/widgets/control_groups/shadow_controls.py b/screens/widgets/control_groups/shadow_controls.py
new file mode 100644
index 00000000..78abee16
--- /dev/null
+++ b/screens/widgets/control_groups/shadow_controls.py
@@ -0,0 +1,5 @@
+from ..controls.c_shadow import c_shadow
+
+SHADOW_CONTROLS = [
+    c_shadow("box-shadow", "Ombre portée", "style:box-shadow", group="Ombre"),
+]
diff --git a/screens/widgets/control_groups/universal_controls.py b/screens/widgets/control_groups/universal_controls.py
index 9c26e5d8..b6dadfdc 100644
--- a/screens/widgets/control_groups/universal_controls.py
+++ b/screens/widgets/control_groups/universal_controls.py
@@ -4,6 +4,7 @@ from .visibility_condition_controls import VISIBILITY_CONDITION_CONTROLS
 from .size_override_controls import SIZE_OVERRIDE_CONTROLS
 from .spacing_controls import SPACING_CONTROLS
 from .border_controls import BORDER_CONTROLS
+from .shadow_controls import SHADOW_CONTROLS
 
 # Le panneau "Survol" (HOVER_CONTROLS) a été retiré du panneau de propriétés :
 # survoler un élément est conceptuellement un DÉCLENCHEUR (voir la Logique de
@@ -12,4 +13,4 @@ from .border_controls import BORDER_CONTROLS
 # et bindHoverTexts() dans play.html) reste fonctionnel pour les éléments qui
 # en avaient déjà un, seul le moyen de le RÉGLER depuis ce panneau disparaît
 # pour l'instant.
-UNIVERSAL_CONTROLS = [VISIBILITY_CONTROL, c_scale()] + SIZE_OVERRIDE_CONTROLS + SPACING_CONTROLS + BORDER_CONTROLS + VISIBILITY_CONDITION_CONTROLS
+UNIVERSAL_CONTROLS = [VISIBILITY_CONTROL, c_scale()] + SIZE_OVERRIDE_CONTROLS + SPACING_CONTROLS + BORDER_CONTROLS + SHADOW_CONTROLS + VISIBILITY_CONDITION_CONTROLS
diff --git a/screens/widgets/control_value.py b/screens/widgets/control_value.py
index d6418b07..b20aa867 100644
--- a/screens/widgets/control_value.py
+++ b/screens/widgets/control_value.py
@@ -31,6 +31,21 @@ def _control_value(el, control):
             return {"value": float(m.group(1)), "unit": m.group(2)}
         return {"value": control.get("default", 0), "unit": "%"}
 
+    if ctype == "shadow":
+        _kind, name = control["target"].split(":", 1)
+        raw = style.get(name)
+        m = re.match(
+            r"^(-?\d+)px (-?\d+)px (\d+)px (\d+)px rgba\((\d+),\s*(\d+),\s*(\d+),\s*([\d.]+)\)$",
+            str(raw or ""),
+        )
+        if m:
+            x, y, blur, spread, r, g, b, a = m.groups()
+            return {
+                "x": int(x), "y": int(y), "blur": int(blur), "spread": int(spread),
+                "color": "#{:02x}{:02x}{:02x}".format(int(r), int(g), int(b)), "opacity": float(a),
+            }
+        return control.get("default", {})
+
     target = control["target"]
     if target == "content":
         return el.get("content") or control.get("default", "")
diff --git a/screens/widgets/controls/c_shadow.py b/screens/widgets/controls/c_shadow.py
new file mode 100644
index 00000000..db26b671
--- /dev/null
+++ b/screens/widgets/controls/c_shadow.py
@@ -0,0 +1,12 @@
+def c_shadow(key, label, target, default=None, group=None):
+    """Ombre portée composée de 6 sous-réglages (décalage X/Y, flou,
+    étendue, couleur, opacité) — voir save_element_controls.py (ctype
+    "shadow") pour comment ils se combinent en une seule valeur CSS
+    "box-shadow", et control_value.py pour comment elle se décompose à
+    nouveau pour l'affichage. Décalages/flou/étendue tous à 0 = pas
+    d'ombre, comme border-width à 0 = pas de bordure."""
+    return {
+        "key": key, "label": label, "type": "shadow", "target": target,
+        "default": default or {"x": 0, "y": 4, "blur": 12, "spread": 0, "color": "#000000", "opacity": 0.4},
+        "group": group,
+    }
diff --git a/templates/screen_edit.html b/templates/screen_edit.html
index e9176906..11b7fb91 100644
--- a/templates/screen_edit.html
+++ b/templates/screen_edit.html
@@ -730,6 +730,26 @@
                    oninput="this.nextElementSibling.textContent = 'x' + this.value">
             <span class="sliderValue tag">x{{ c.value }}</span>
           </div>
+          {% elif c.type == 'shadow' %}
+          <div class="control">
+            <div class="fieldRow">
+              <div class="formField" style="flex:1;"><label class="label is-small">Décalage X</label><input class="input is-small" type="number" name="ctrl_{{ c.key }}_x" value="{{ c.value.x }}"></div>
+              <div class="formField" style="flex:1;"><label class="label is-small">Décalage Y</label><input class="input is-small" type="number" name="ctrl_{{ c.key }}_y" value="{{ c.value.y }}"></div>
+            </div>
+            <div class="fieldRow" style="margin-top:6px;">
+              <div class="formField" style="flex:1;"><label class="label is-small">Flou</label><input class="input is-small" type="number" min="0" name="ctrl_{{ c.key }}_blur" value="{{ c.value.blur }}"></div>
+              <div class="formField" style="flex:1;"><label class="label is-small">Étendue</label><input class="input is-small" type="number" min="0" name="ctrl_{{ c.key }}_spread" value="{{ c.value.spread }}"></div>
+            </div>
+            <div class="fieldRow" style="margin-top:6px; align-items:center;">
+              <input class="input" type="color" style="flex:0 0 60px; padding:2px;" name="ctrl_{{ c.key }}_color" value="{{ c.value.color }}">
+              <div class="sliderRow" style="flex:1;">
+                <input type="range" name="ctrl_{{ c.key }}_opacity" min="0" max="1" step="0.05" value="{{ c.value.opacity }}"
+                       oninput="this.nextElementSibling.textContent = Math.round(this.value * 100) + '%'">
+                <span class="sliderValue tag">{{ (c.value.opacity * 100)|round|int }}%</span>
+              </div>
+            </div>
+            <p class="help">Décalages, flou et étendue tous à 0 = pas d'ombre.</p>
+          </div>
           {% elif c.type == 'align' %}
           <div class="control">
             <div class="buttons has-addons alignGroup">
diff --git a/tests/test_shadow_controls.py b/tests/test_shadow_controls.py
new file mode 100644
index 00000000..253952a8
--- /dev/null
+++ b/tests/test_shadow_controls.py
@@ -0,0 +1,56 @@
+"""Ombre portée (panneau de propriétés, tout widget) : 6 sous-réglages
+(décalage X/Y, flou, étendue, couleur, opacité) combinés en une seule
+valeur CSS box-shadow."""
+import re
+
+import screens
+
+
+def _create_element(client, slug, widget="conteneur"):
+    resp = client.post(f"/game/{slug}/screens/new", data={"name": "Accueil"}, follow_redirects=False)
+    screen_id = int(re.search(r"/screens/(\d+)/edit", resp.headers["Location"]).group(1))
+    resp = client.post(f"/game/{slug}/screens/{screen_id}/elements/add", data={"widget": widget}, follow_redirects=False)
+    element_id = int(re.search(r"selected=(\d+)", resp.headers["Location"]).group(1))
+    return screen_id, element_id
+
+
+def test_shadow_controls_appear_in_the_properties_panel(client, game):
+    screen_id, element_id = _create_element(client, game)
+    html = client.get(f"/game/{game}/screens/{screen_id}/edit?selected={element_id}").data.decode()
+    assert "ctrl_box-shadow_x" in html
+    assert "ctrl_box-shadow_color" in html
+
+
+def test_saving_a_shadow_composes_box_shadow_css(client, game):
+    screen_id, element_id = _create_element(client, game)
+    client.post(f"/game/{game}/elements/{element_id}/save", data={
+        "ctrl_box-shadow_x": "2", "ctrl_box-shadow_y": "6", "ctrl_box-shadow_blur": "20",
+        "ctrl_box-shadow_spread": "3", "ctrl_box-shadow_color": "#ff0000", "ctrl_box-shadow_opacity": "0.5",
+    })
+    el = screens.get_element(game, element_id)
+    assert el["style"]["box-shadow"] == "2px 6px 20px 3px rgba(255, 0, 0, 0.5)"
+
+
+def test_shadow_value_round_trips_back_into_the_form(client, game):
+    screen_id, element_id = _create_element(client, game)
+    client.post(f"/game/{game}/elements/{element_id}/save", data={
+        "ctrl_box-shadow_x": "2", "ctrl_box-shadow_y": "6", "ctrl_box-shadow_blur": "20",
+        "ctrl_box-shadow_spread": "3", "ctrl_box-shadow_color": "#ff0000", "ctrl_box-shadow_opacity": "0.5",
+    })
+    html = client.get(f"/game/{game}/screens/{screen_id}/edit?selected={element_id}").data.decode()
+    assert 'name="ctrl_box-shadow_x" value="2.0"' in html or 'name="ctrl_box-shadow_x" value="2"' in html
+    assert 'name="ctrl_box-shadow_color" value="#ff0000"' in html
+
+
+def test_all_zero_offsets_remove_the_shadow(client, game):
+    screen_id, element_id = _create_element(client, game)
+    client.post(f"/game/{game}/elements/{element_id}/save", data={
+        "ctrl_box-shadow_x": "2", "ctrl_box-shadow_y": "6", "ctrl_box-shadow_blur": "20",
+        "ctrl_box-shadow_spread": "3", "ctrl_box-shadow_color": "#ff0000", "ctrl_box-shadow_opacity": "0.5",
+    })
+    client.post(f"/game/{game}/elements/{element_id}/save", data={
+        "ctrl_box-shadow_x": "0", "ctrl_box-shadow_y": "0", "ctrl_box-shadow_blur": "0",
+        "ctrl_box-shadow_spread": "0", "ctrl_box-shadow_color": "#ff0000", "ctrl_box-shadow_opacity": "0.5",
+    })
+    el = screens.get_element(game, element_id)
+    assert "box-shadow" not in el["style"]