diff --git a/ui/hud.gd b/ui/hud.gd
index 1c1ca3a..c691719 100644
--- a/ui/hud.gd
+++ b/ui/hud.gd
@@ -1,17 +1,18 @@
 extends CanvasLayer
 
-@onready var engrenage_count := $InventoryPanel/Engrenage/Count
-@onready var cable_count     := $InventoryPanel/Cable/Count
-@onready var circuit_count   := $InventoryPanel/Circuit/Count
+# Slots : dictionnaire item_id → Label du compteur
+@onready var slots := {
+	"engrenage": $InventoryBar/ItemRow/EngrenageSlot/Count,
+	"cable":     $InventoryBar/ItemRow/CableSlot/Count,
+	"circuit":   $InventoryBar/ItemRow/CircuitSlot/Count,
+}
 
 func _ready() -> void:
-	GameState.inventory_changed.connect(_on_inventory_changed)
-	_refresh()
-
-func _on_inventory_changed() -> void:
+	GameState.inventory_changed.connect(_refresh)
 	_refresh()
 
 func _refresh() -> void:
-	engrenage_count.text = "x %d" % GameState.inventory.get("engrenage", 0)
-	cable_count.text     = "x %d" % GameState.inventory.get("cable",     0)
-	circuit_count.text   = "x %d" % GameState.inventory.get("circuit",   0)
+	for item_id in slots:
+		var count : int = GameState.inventory.get(item_id, 0)
+		slots[item_id].text = "x%d" % count
+		slots[item_id].get_parent().modulate.a = 0.4 if count == 0 else 1.0
diff --git a/ui/hud.tscn b/ui/hud.tscn
index df7ab2a..eb2bdfb 100644
--- a/ui/hud.tscn
+++ b/ui/hud.tscn
@@ -1,55 +1,59 @@
 [gd_scene format=3 uid="uid://o7qrmpywwhu8"]
 
 [ext_resource type="Script" uid="uid://bmqknwqr5mtd6" path="res://ui/hud.gd" id="1_rbyyf"]
-[ext_resource type="Texture2D" uid="uid://bt7xdf44qq2ud" path="res://tests/assets/sprites/ui/inventory_item_back.png" id="2_276te"]
+
+[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_rbyyf"]
+bg_color = Color(0.101960786, 0.101960786, 0.101960786, 0.84705883)
+border_width_top = 1
+border_color = Color(0.33333334, 0.33333334, 0.33333334, 1)
+border_blend = true
 
 [node name="Hud" type="Node2D" unique_id=1774402684]
 
 [node name="HUD" type="CanvasLayer" parent="." unique_id=1046780358]
 script = ExtResource("1_rbyyf")
 
-[node name="InventoryPanel" type="VBoxContainer" parent="HUD" unique_id=260352894]
-anchors_preset = 2
+[node name="InventoryBar" type="PanelContainer" parent="HUD" unique_id=255970268]
+anchors_preset = 12
 anchor_top = 1.0
+anchor_right = 1.0
 anchor_bottom = 1.0
-offset_top = -180.0
-offset_right = 320.0
+offset_top = -23.0
+grow_horizontal = 2
 grow_vertical = 0
-alignment = 2
+theme_override_styles/panel = SubResource("StyleBoxFlat_rbyyf")
 
-[node name="Label" type="Label" parent="HUD/InventoryPanel" unique_id=187015042]
+[node name="ItemRow" type="HBoxContainer" parent="HUD/InventoryBar" unique_id=616700836]
 layout_mode = 2
-text = "Inventory"
+theme_override_constants/separation = 8
+alignment = 1
 
-[node name="Engrenage" type="HBoxContainer" parent="HUD/InventoryPanel" unique_id=861641794]
+[node name="EngrenageSlot" type="HBoxContainer" parent="HUD/InventoryBar/ItemRow" unique_id=615738426]
 layout_mode = 2
 
-[node name="Icon" type="TextureRect" parent="HUD/InventoryPanel/Engrenage" unique_id=397063473]
-layout_mode = 2
-texture = ExtResource("2_276te")
-stretch_mode = 3
-
-[node name="Count" type="Label" parent="HUD/InventoryPanel/Engrenage" unique_id=650103914]
+[node name="Icon" type="TextureRect" parent="HUD/InventoryBar/ItemRow/EngrenageSlot" unique_id=1435745466]
 layout_mode = 2
 
-[node name="Cable" type="HBoxContainer" parent="HUD/InventoryPanel" unique_id=1723351300]
+[node name="Count" type="Label" parent="HUD/InventoryBar/ItemRow/EngrenageSlot" unique_id=1082443403]
+layout_mode = 2
+theme_override_font_sizes/font_size = 8
+
+[node name="CableSlot" type="HBoxContainer" parent="HUD/InventoryBar/ItemRow" unique_id=1777823230]
 layout_mode = 2
 
-[node name="Icon" type="TextureRect" parent="HUD/InventoryPanel/Cable" unique_id=195427130]
-layout_mode = 2
-texture = ExtResource("2_276te")
-stretch_mode = 3
-
-[node name="Count" type="Label" parent="HUD/InventoryPanel/Cable" unique_id=20736457]
+[node name="Icon" type="TextureRect" parent="HUD/InventoryBar/ItemRow/CableSlot" unique_id=1512420928]
 layout_mode = 2
 
-[node name="Circuit" type="HBoxContainer" parent="HUD/InventoryPanel" unique_id=578252295]
+[node name="Count" type="Label" parent="HUD/InventoryBar/ItemRow/CableSlot" unique_id=241891402]
+layout_mode = 2
+theme_override_font_sizes/font_size = 8
+
+[node name="CircuitSlot" type="HBoxContainer" parent="HUD/InventoryBar/ItemRow" unique_id=707078098]
 layout_mode = 2
 
-[node name="Icon" type="TextureRect" parent="HUD/InventoryPanel/Circuit" unique_id=1833323471]
+[node name="Icon" type="TextureRect" parent="HUD/InventoryBar/ItemRow/CircuitSlot" unique_id=273462465]
 layout_mode = 2
-texture = ExtResource("2_276te")
-stretch_mode = 3
 
-[node name="Count" type="Label" parent="HUD/InventoryPanel/Circuit" unique_id=375460837]
+[node name="Count" type="Label" parent="HUD/InventoryBar/ItemRow/CircuitSlot" unique_id=766125092]
 layout_mode = 2
+theme_override_font_sizes/font_size = 8