diff --git a/ui/atlas_materials_panel.py b/ui/atlas_materials_panel.py
index 2d1a31e..cba1782 100644
--- a/ui/atlas_materials_panel.py
+++ b/ui/atlas_materials_panel.py
@@ -2,6 +2,7 @@ from bpy.types import UIList, Panel, UILayout, Object, Context, Material, Operat
 import bpy
 from math import sqrt
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.common import SceneMatClass, MaterialListBool, get_active_armature
 from ..functions.atlas_materials import AvatarToolKit_OT_AtlasMaterials
 from ..core.translations import t
@@ -214,7 +215,8 @@ class AvatarToolKit_PT_TextureAtlasPanel(Panel):
     bl_region_type = 'UI'
     bl_category = CATEGORY_NAME
     bl_parent_id = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order = 7
+    bl_order = get_panel_order('texture_atlas')
+    bl_options = set() if not should_open_by_default('TEXTURE_ATLAS') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context):
         layout = self.layout
diff --git a/ui/custom_avatar_panel.py b/ui/custom_avatar_panel.py
index 451c88d..b80ca0a 100644
--- a/ui/custom_avatar_panel.py
+++ b/ui/custom_avatar_panel.py
@@ -2,6 +2,7 @@ import bpy
 from typing import Set, List, Tuple, Any
 from bpy.types import Panel, Context, UILayout, Operator, Event, WindowManager
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
+from .panel_layout import get_panel_order, should_open_by_default
 from ..functions.custom_tools.mesh_attachment import AvatarToolkit_OT_AttachMesh
 from ..functions.custom_tools.armature_merging import AvatarToolkit_OT_MergeArmature
 from ..core.translations import t
@@ -112,8 +113,8 @@ class AvatarToolKit_PT_CustomPanel(Panel):
     bl_region_type: str = 'UI'
     bl_category: str = CATEGORY_NAME
     bl_parent_id: str = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order: int = 4
-    bl_options: Set[str] = {'DEFAULT_CLOSED'}
+    bl_order: int = get_panel_order('custom_avatar')
+    bl_options: Set[str] = set() if not should_open_by_default('CUSTOM_AVATAR') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context) -> None:
         """Draw the custom avatar panel UI"""
diff --git a/ui/eye_tracking_panel.py b/ui/eye_tracking_panel.py
index 85b534a..c7f542b 100644
--- a/ui/eye_tracking_panel.py
+++ b/ui/eye_tracking_panel.py
@@ -3,6 +3,7 @@ from typing import Set
 from bpy.types import Panel, Context, UILayout, Operator, Event, WindowManager
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
 from .ui_utils import UIStyle, draw_section_header, wrap_text_label
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.translations import t
 from ..core.common import get_active_armature, get_all_meshes
 from ..functions.eye_tracking import (
@@ -27,8 +28,8 @@ class AvatarToolKit_PT_EyeTrackingPanel(Panel):
     bl_region_type: str = 'UI'
     bl_category: str = CATEGORY_NAME
     bl_parent_id: str = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order: int = 6
-    bl_options: Set[str] = {'DEFAULT_CLOSED'}
+    bl_order: int = get_panel_order('eye_tracking')
+    bl_options: Set[str] = set() if not should_open_by_default('EYE_TRACKING') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context) -> None:
         """Draw the eye tracking panel interface"""
diff --git a/ui/optimization_panel.py b/ui/optimization_panel.py
index 25255c0..103658d 100644
--- a/ui/optimization_panel.py
+++ b/ui/optimization_panel.py
@@ -3,6 +3,7 @@ from typing import Set
 from bpy.types import Panel, Context, UILayout, Operator
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
 from .ui_utils import UIStyle, draw_section_header, draw_operator_row
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.translations import t
 from ..functions.optimization.materials_tools import AvatarToolkit_OT_CombineMaterials
 from ..functions.optimization.remove_doubles import AvatarToolkit_OT_RemoveDoubles
@@ -16,8 +17,8 @@ class AvatarToolKit_PT_OptimizationPanel(Panel):
     bl_region_type: str = 'UI'
     bl_category: str = CATEGORY_NAME
     bl_parent_id: str = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order: int = 1
-    bl_options = {'DEFAULT_CLOSED'}
+    bl_order: int = get_panel_order('optimization')
+    bl_options = set() if not should_open_by_default('OPTIMIZATION') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context) -> None:
         """Draws the optimization panel interface with material, mesh cleanup and join mesh tools"""
diff --git a/ui/quick_access_panel.py b/ui/quick_access_panel.py
index 8fdc1db..38c2d24 100644
--- a/ui/quick_access_panel.py
+++ b/ui/quick_access_panel.py
@@ -11,6 +11,7 @@ from bpy.types import (
 )
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
 from .ui_utils import UIStyle, draw_section_header, draw_operator_row
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.translations import t
 from ..core.common import (
     get_active_armature, 
@@ -80,7 +81,8 @@ class AvatarToolKit_PT_QuickAccessPanel(Panel):
     bl_region_type: str = 'UI'
     bl_category: str = CATEGORY_NAME
     bl_parent_id: str = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order: int = 0
+    bl_order: int = get_panel_order('quick_access')
+    bl_options = {'DEFAULT_CLOSED'} if should_open_by_default('QUICK_ACCESS') else set()
 
     def draw(self, context: Context) -> None:
         """Draw the panel layout"""
diff --git a/ui/settings_panel.py b/ui/settings_panel.py
index 7b676d1..a39a04b 100644
--- a/ui/settings_panel.py
+++ b/ui/settings_panel.py
@@ -10,6 +10,7 @@ from bpy.types import (
 )
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
 from .ui_utils import UIStyle, draw_section_header, wrap_text_label
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.translations import t, get_languages_list
 from ..core.armature_validation import AvatarToolkit_OT_HighlightProblemBones, AvatarToolkit_OT_ClearBoneHighlighting
 
@@ -40,8 +41,8 @@ class AvatarToolKit_PT_SettingsPanel(Panel):
     bl_region_type: str = 'UI'
     bl_category: str = CATEGORY_NAME
     bl_parent_id: str = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order: int = 8
-    bl_options = {'DEFAULT_CLOSED'}
+    bl_order: int = get_panel_order('settings')
+    bl_options = set() if not should_open_by_default('SETTINGS') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context) -> None:
         """Draw the settings panel layout with language selection"""
diff --git a/ui/tools_panel.py b/ui/tools_panel.py
index 4312707..e94e1ef 100644
--- a/ui/tools_panel.py
+++ b/ui/tools_panel.py
@@ -3,6 +3,7 @@ from typing import Set
 from bpy.types import Panel, Context, UILayout, Operator, UIList
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
 from .ui_utils import UIStyle, draw_section_header, draw_operator_row
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.translations import t
 
 from ..core.resonite_utils import AvatarToolkit_OT_ConvertResonite
@@ -30,8 +31,8 @@ class AvatarToolKit_PT_ToolsPanel(Panel):
     bl_region_type: str = 'UI'
     bl_category: str = CATEGORY_NAME
     bl_parent_id: str = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order: int = 2
-    bl_options = {'DEFAULT_CLOSED'}
+    bl_order: int = get_panel_order('tools')
+    bl_options = set() if not should_open_by_default('TOOLS') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context) -> None:
         """Draw the tools panel interface"""
diff --git a/ui/translation_panel.py b/ui/translation_panel.py
index 8ea5cb9..fc8f990 100644
--- a/ui/translation_panel.py
+++ b/ui/translation_panel.py
@@ -12,6 +12,7 @@ from bpy.types import (
     Object
 )
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.translations import t
 from ..core.logging_setup import logger
 from ..core.common import get_active_armature, ProgressTracker
@@ -465,8 +466,8 @@ class AvatarToolKit_PT_TranslationPanel(Panel):
     bl_region_type: str = 'UI'
     bl_category: str = CATEGORY_NAME
     bl_parent_id: str = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order: int = 9
-    bl_options = {'DEFAULT_CLOSED'}
+    bl_order: int = get_panel_order('translation')
+    bl_options = set() if not should_open_by_default('TRANSLATION') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context) -> None:
         """Draw the translation panel layout"""
diff --git a/ui/ui_utils.py b/ui/ui_utils.py
index 6e19d1c..cb388b0 100644
--- a/ui/ui_utils.py
+++ b/ui/ui_utils.py
@@ -6,7 +6,7 @@ from bpy.types import UILayout, Context, Operator
 
 class UIStyle:
     """Centralized UI styling constants for consistent appearance"""
-    g
+    
     SECTION_SEPARATOR_FACTOR: float = 0.5
     SUBSECTION_SEPARATOR_FACTOR: float = 0.3
     PRIMARY_BUTTON_SCALE: float = 1.5
diff --git a/ui/visemes_panel.py b/ui/visemes_panel.py
index 11d2a30..b5563dd 100644
--- a/ui/visemes_panel.py
+++ b/ui/visemes_panel.py
@@ -2,6 +2,7 @@ import bpy
 from bpy.types import Panel, Context, UILayout, Object, ShapeKey
 from ..core.translations import t
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.common import get_active_armature
 from ..functions.visemes import AvatarToolkit_OT_PreviewVisemes, AvatarToolkit_OT_CreateVisemes
 
@@ -13,8 +14,8 @@ class AvatarToolKit_PT_VisemesPanel(Panel):
     bl_region_type: str = 'UI'
     bl_category: str = CATEGORY_NAME
     bl_parent_id: str = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order: int = 5
-    bl_options: set[str] = {'DEFAULT_CLOSED'}
+    bl_order: int = get_panel_order('visemes')
+    bl_options: set[str] = set() if not should_open_by_default('VISEMES') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context) -> None:
         """Draw the visemes panel interface with shape key selection and preview controls"""
diff --git a/ui/vrm_unity_panel.py b/ui/vrm_unity_panel.py
index f1565ab..0263ccc 100644
--- a/ui/vrm_unity_panel.py
+++ b/ui/vrm_unity_panel.py
@@ -1,6 +1,7 @@
 import bpy
 from bpy.types import Panel, Context, UILayout
 from .main_panel import AvatarToolKit_PT_AvatarToolkitPanel, CATEGORY_NAME
+from .panel_layout import get_panel_order, should_open_by_default
 from ..core.translations import t
 from ..core.common import get_active_armature
 from ..core.vrm_unity_converter import detect_vrm_armature
@@ -15,8 +16,8 @@ class AvatarToolKit_PT_VRMUnityPanel(Panel):
     bl_region_type = 'UI'
     bl_category = CATEGORY_NAME
     bl_parent_id = AvatarToolKit_PT_AvatarToolkitPanel.bl_idname
-    bl_order = 3
-    bl_options = {'DEFAULT_CLOSED'}
+    bl_order = get_panel_order('vrm_unity')
+    bl_options = set() if not should_open_by_default('VRM_UNITY') else {'DEFAULT_CLOSED'}
 
     def draw(self, context: Context) -> None:
         """Draw the VRM to Unity conversion panel interface"""