diff --git a/config/app_settings.json b/config/app_settings.json
index fc4d9ee..5eecb19 100644
--- a/config/app_settings.json
+++ b/config/app_settings.json
@@ -42,14 +42,6 @@
         }
     },
     "FILE_TYPE_DEFINITIONS": {
-        "MAP_COL": {
-            "description": "Color/Albedo Map",
-            "color": "#FFFFE0",
-            "examples": [
-                "_col.",
-                "_basecolor."
-            ]
-        },
         "MAP_COL": {
             "description": "Color/Albedo Map",
             "color": "#FFFFE0",
@@ -57,15 +49,8 @@
                 "_col.",
                 "_basecolor."
             ],
-            "standard_type": "COL"
-        },
-        "MAP_NRM": {
-            "description": "Normal Map",
-            "color": "#E6E6FA",
-            "examples": [
-                "_nrm.",
-                "_normal."
-            ]
+            "standard_type": "COL",
+            "bit_depth_rule": "force_8bit"
         },
         "MAP_NRM": {
             "description": "Normal Map",
@@ -74,15 +59,8 @@
                 "_nrm.",
                 "_normal."
             ],
-            "standard_type": "NRM"
-        },
-        "MAP_METAL": {
-            "description": "Metalness Map",
-            "color": "#C0C0C0",
-            "examples": [
-                "_metal.",
-                "_met."
-            ]
+            "standard_type": "NRM",
+            "bit_depth_rule": "respect"
         },
         "MAP_METAL": {
             "description": "Metalness Map",
@@ -91,15 +69,8 @@
                 "_metal.",
                 "_met."
             ],
-            "standard_type": "METAL"
-        },
-        "MAP_ROUGH": {
-            "description": "Roughness Map",
-            "color": "#A0522D",
-            "examples": [
-                "_rough.",
-                "_rgh."
-            ]
+            "standard_type": "METAL",
+            "bit_depth_rule": "force_8bit"
         },
         "MAP_ROUGH": {
             "description": "Roughness Map",
@@ -108,15 +79,8 @@
                 "_rough.",
                 "_rgh."
             ],
-            "standard_type": "ROUGH"
-        },
-        "MAP_AO": {
-            "description": "Ambient Occlusion Map",
-            "color": "#A9A9A9",
-            "examples": [
-                "_ao.",
-                "_ambientocclusion."
-            ]
+            "standard_type": "ROUGH",
+            "bit_depth_rule": "force_8bit"
         },
         "MAP_AO": {
             "description": "Ambient Occlusion Map",
@@ -125,15 +89,8 @@
                 "_ao.",
                 "_ambientocclusion."
             ],
-            "standard_type": "AO"
-        },
-        "MAP_DISP": {
-            "description": "Displacement/Height Map",
-            "color": "#FFB6C1",
-            "examples": [
-                "_disp.",
-                "_height."
-            ]
+            "standard_type": "AO",
+            "bit_depth_rule": "force_8bit"
         },
         "MAP_DISP": {
             "description": "Displacement/Height Map",
@@ -142,15 +99,8 @@
                 "_disp.",
                 "_height."
             ],
-            "standard_type": "DISP"
-        },
-        "MAP_REFL": {
-            "description": "Reflection/Specular Map",
-            "color": "#E0FFFF",
-            "examples": [
-                "_refl.",
-                "_specular."
-            ]
+            "standard_type": "DISP",
+            "bit_depth_rule": "respect"
         },
         "MAP_REFL": {
             "description": "Reflection/Specular Map",
@@ -159,15 +109,8 @@
                 "_refl.",
                 "_specular."
             ],
-            "standard_type": "REFL"
-        },
-        "MAP_SSS": {
-            "description": "Subsurface Scattering Map",
-            "color": "#FFDAB9",
-            "examples": [
-                "_sss.",
-                "_subsurface."
-            ]
+            "standard_type": "REFL",
+            "bit_depth_rule": "force_8bit"
         },
         "MAP_SSS": {
             "description": "Subsurface Scattering Map",
@@ -176,15 +119,8 @@
                 "_sss.",
                 "_subsurface."
             ],
-            "standard_type": "SSS"
-        },
-        "MAP_FUZZ": {
-            "description": "Fuzz/Sheen Map",
-            "color": "#FFA07A",
-            "examples": [
-                "_fuzz.",
-                "_sheen."
-            ]
+            "standard_type": "SSS",
+            "bit_depth_rule": "respect"
         },
         "MAP_FUZZ": {
             "description": "Fuzz/Sheen Map",
@@ -193,15 +129,8 @@
                 "_fuzz.",
                 "_sheen."
             ],
-            "standard_type": "FUZZ"
-        },
-        "MAP_IDMAP": {
-            "description": "ID Map (for masking)",
-            "color": "#F08080",
-            "examples": [
-                "_id.",
-                "_matid."
-            ]
+            "standard_type": "FUZZ",
+            "bit_depth_rule": "force_8bit"
         },
         "MAP_IDMAP": {
             "description": "ID Map (for masking)",
@@ -210,14 +139,8 @@
                 "_id.",
                 "_matid."
             ],
-            "standard_type": "IDMAP"
-        },
-        "MAP_MASK": {
-            "description": "Generic Mask Map",
-            "color": "#FFFFFF",
-            "examples": [
-                "_mask."
-            ]
+            "standard_type": "IDMAP",
+            "bit_depth_rule": "force_8bit"
         },
         "MAP_MASK": {
             "description": "Generic Mask Map",
@@ -225,15 +148,8 @@
             "examples": [
                 "_mask."
             ],
-            "standard_type": "MASK"
-        },
-        "MAP_IMPERFECTION": {
-            "description": "Imperfection Map (scratches, dust)",
-            "color": "#F0E68C",
-            "examples": [
-                "_imp.",
-                "_imperfection."
-            ]
+            "standard_type": "MASK",
+            "bit_depth_rule": "force_8bit"
         },
         "MAP_IMPERFECTION": {
             "description": "Imperfection Map (scratches, dust)",
@@ -242,7 +158,8 @@
                 "_imp.",
                 "_imperfection."
             ],
-            "standard_type": "IMPERFECTION"
+            "standard_type": "IMPERFECTION",
+            "bit_depth_rule": "force_8bit"
         },
         "MODEL": {
             "description": "3D Model File",
@@ -250,7 +167,8 @@
             "examples": [
                 ".fbx",
                 ".obj"
-            ]
+            ],
+            "bit_depth_rule": "respect"
         },
         "EXTRA": {
             "description": "Non-standard/Unclassified File",
@@ -258,7 +176,8 @@
             "examples": [
                 ".txt",
                 ".zip"
-            ]
+            ],
+            "bit_depth_rule": "respect"
         },
         "FILE_IGNORE": {
             "description": "File to be ignored",
@@ -266,7 +185,8 @@
             "examples": [
                 "Thumbs.db",
                 ".DS_Store"
-            ]
+            ],
+            "bit_depth_rule": "respect"
         }
     },
     "TARGET_FILENAME_PATTERN": "{base_name}_{map_type}_{resolution}.{ext}",
@@ -300,20 +220,6 @@
         "1K": 1024
     },
     "ASPECT_RATIO_DECIMALS": 2,
-    "MAP_BIT_DEPTH_RULES": {
-        "COL": "force_8bit",
-        "NRM": "respect",
-        "ROUGH": "force_8bit",
-        "METAL": "force_8bit",
-        "AO": "force_8bit",
-        "DISP": "respect",
-        "REFL": "force_8bit",
-        "SSS": "respect",
-        "FUZZ": "force_8bit",
-        "IDMAP": "force_8bit",
-        "MASK": "force_8bit",
-        "DEFAULT": "respect"
-    },
     "OUTPUT_FORMAT_16BIT_PRIMARY": "png",
     "OUTPUT_FORMAT_16BIT_FALLBACK": "png",
     "OUTPUT_FORMAT_8BIT": "png",
diff --git a/configuration.py b/configuration.py
index 048a218..ef88c1d 100644
--- a/configuration.py
+++ b/configuration.py
@@ -374,9 +374,17 @@ class Configuration:
 
     def get_bit_depth_rule(self, map_type: str) -> str:
         """Gets the bit depth rule ('respect' or 'force_8bit') for a given standard map type."""
-        rules = self._core_settings.get('MAP_BIT_DEPTH_RULES', {})
-        default_rule = rules.get('DEFAULT', 'respect')
-        return rules.get(map_type, default_rule)
+        # Access the FILE_TYPE_DEFINITIONS from core settings
+        file_type_definitions = self._core_settings.get('FILE_TYPE_DEFINITIONS', {})
+
+        # Iterate through definitions to find the matching map type
+        for definition in file_type_definitions.values():
+            if definition.get('standard_type') == map_type:
+                # Found the definition, check for 'bit_depth_rule'
+                return definition.get('bit_depth_rule', 'respect')
+
+        # If map type definition not found, return default rule
+        return 'respect'
 
     def get_16bit_output_formats(self) -> tuple[str, str]:
         """Gets the primary and fallback format names for 16-bit output."""