diff --git a/Core/Database.lua b/Core/Database.lua
index 758897e..d3148cc 100644
--- a/Core/Database.lua
+++ b/Core/Database.lua
@@ -149,6 +149,7 @@ function DB:Initialize()
 			Guda_CharDB.settings.theme = "pfui"
 			Guda_CharDB.settings.hideBorders = true
 			Guda_CharDB.settings.bgTransparency = Guda.Constants.PFUI_DEFAULT_BG_TRANSPARENCY
+			Guda_CharDB.settings.usePfUITransparency = true
 			Guda_CharDB.settings.iconSpacing = 8
 		end
 	end
diff --git a/Core/Theme.lua b/Core/Theme.lua
index e9b852b..e514213 100644
--- a/Core/Theme.lua
+++ b/Core/Theme.lua
@@ -495,11 +495,21 @@ function Theme:ApplyToFrame(frame)
 
     -- Background color / alpha
     local bg = t.bgColor
-    local transparency = 0.15
+    local alpha
+    local usePfUITransp = false
     if addon.Modules and addon.Modules.DB then
-        transparency = addon.Modules.DB:GetSetting("bgTransparency") or 0.15
+        usePfUITransp = addon.Modules.DB:GetSetting("usePfUITransparency")
+    end
+    if cachedThemeName == "pfui" and usePfUITransp ~= false then
+        local _, _, _, ba = GetPfUIColor("background")
+        alpha = ba or 1
+    else
+        local transparency = 0.15
+        if addon.Modules and addon.Modules.DB then
+            transparency = addon.Modules.DB:GetSetting("bgTransparency") or 0.15
+        end
+        alpha = 1.0 - transparency
     end
-    local alpha = 1.0 - transparency
     frame:SetBackdropColor(bg.r, bg.g, bg.b, alpha)
     ThemeDebug("  SetBackdropColor(%s,%s,%s,%s)", tostring(bg.r), tostring(bg.g), tostring(bg.b), tostring(alpha))
 
diff --git a/UI/SettingsPopup.lua b/UI/SettingsPopup.lua
index 816fa53..206edbb 100644
--- a/UI/SettingsPopup.lua
+++ b/UI/SettingsPopup.lua
@@ -259,6 +259,20 @@ function Guda_SettingsPopup_OnShow(self)
         hideBordersCheckbox:SetChecked(hideBorders and 1 or 0)
     end
 
+    -- Refresh pfUI transparency checkbox visibility
+    local pfuiTranspCB = getglobal("Guda_SettingsPopup_UsePfUITransparencyCheckbox")
+    if pfuiTranspCB then
+        local currentTheme = Guda.Modules.DB:GetSetting("theme") or "guda"
+        if currentTheme == "pfui" then
+            local val = Guda.Modules.DB:GetSetting("usePfUITransparency")
+            if val == nil then val = true end
+            pfuiTranspCB:SetChecked(val and 1 or 0)
+            pfuiTranspCB:Show()
+        else
+            pfuiTranspCB:Hide()
+        end
+    end
+
     if qualityBorderEquipmentCheckbox then
         qualityBorderEquipmentCheckbox:SetChecked(showQualityBorderEquipment and 1 or 0)
     end
@@ -1564,6 +1578,44 @@ local themeOptions = {
     { text = "pfUI", value = "pfui" },
 }
 
+-- pfUI Transparency checkbox
+function Guda_SettingsPopup_UsePfUITransparencyCheckbox_OnLoad(self)
+    local text = getglobal(self:GetName().."Text")
+    if text then
+        text:SetText("pfUI Transparency")
+        local font, _, flags = text:GetFont()
+        if font then
+            text:SetFont(font, 13, flags)
+        end
+    end
+    self.tooltipText = "When enabled, uses pfUI's background transparency instead of the slider below."
+
+    local val = true
+    if Guda and Guda.Modules and Guda.Modules.DB then
+        local stored = Guda.Modules.DB:GetSetting("usePfUITransparency")
+        if stored ~= nil then val = stored end
+    end
+    self:SetChecked(val and 1 or 0)
+
+    -- Only show when pfUI theme is active
+    local theme = "guda"
+    if Guda and Guda.Modules and Guda.Modules.DB then
+        theme = Guda.Modules.DB:GetSetting("theme") or "guda"
+    end
+    if theme == "pfui" then self:Show() else self:Hide() end
+end
+
+function Guda_SettingsPopup_UsePfUITransparencyCheckbox_OnClick(self)
+    local isChecked = self:GetChecked() == 1
+    if Guda and Guda.Modules and Guda.Modules.DB then
+        Guda.Modules.DB:SetSetting("usePfUITransparency", isChecked)
+    end
+    if Guda.Modules and Guda.Modules.Theme then
+        Guda.Modules.Theme:ClearCache()
+        Guda.Modules.Theme:ApplyToAllFrames()
+    end
+end
+
 local function Guda_ThemeDropdown_Initialize()
     local currentTheme = Guda.Modules.DB:GetSetting("theme") or "guda"
     for _, option in ipairs(themeOptions) do
@@ -1623,6 +1675,10 @@ function Guda_SettingsPopup_ApplyTheme(themeId)
         DB:SetSetting("_prePfui_bgTransparency", DB:GetSetting("bgTransparency"))
         DB:SetSetting("hideBorders", true)
         DB:SetSetting("bgTransparency", Guda.Constants.PFUI_DEFAULT_BG_TRANSPARENCY)
+        -- Default to using pfUI transparency
+        if DB:GetSetting("usePfUITransparency") == nil then
+            DB:SetSetting("usePfUITransparency", true)
+        end
     end
 
     DB:SetSetting("theme", themeId)
@@ -1655,6 +1711,19 @@ function Guda_SettingsPopup_ApplyTheme(themeId)
     if bgTransparencySlider then
         bgTransparencySlider:SetValue(DB:GetSetting("bgTransparency") or 0.15)
     end
+
+    -- Show/hide pfUI transparency checkbox based on theme
+    local pfuiTranspCB = getglobal("Guda_SettingsPopup_UsePfUITransparencyCheckbox")
+    if pfuiTranspCB then
+        if themeId == "pfui" then
+            local val = DB:GetSetting("usePfUITransparency")
+            if val == nil then val = true end
+            pfuiTranspCB:SetChecked(val and 1 or 0)
+            pfuiTranspCB:Show()
+        else
+            pfuiTranspCB:Hide()
+        end
+    end
 end
 
 -- Bag View Dropdown
diff --git a/UI/SettingsPopup.xml b/UI/SettingsPopup.xml
index c578893..7b34cd4 100644
--- a/UI/SettingsPopup.xml
+++ b/UI/SettingsPopup.xml
@@ -223,6 +223,19 @@
                         </Scripts>
                     </Frame>
 
+                    <!-- pfUI Transparency Checkbox (visible only when pfUI theme selected) -->
+                    <CheckButton name="Guda_SettingsPopup_UsePfUITransparencyCheckbox" inherits="OptionsCheckButtonTemplate">
+                        <Anchors>
+                            <Anchor point="LEFT" relativePoint="RIGHT" relativeTo="Guda_SettingsPopup_ThemeDropdown">
+                                <Offset><AbsDimension x="130" y="2"/></Offset>
+                            </Anchor>
+                        </Anchors>
+                        <Scripts>
+                            <OnLoad>Guda_SettingsPopup_UsePfUITransparencyCheckbox_OnLoad(this)</OnLoad>
+                            <OnClick>Guda_SettingsPopup_UsePfUITransparencyCheckbox_OnClick(this)</OnClick>
+                        </Scripts>
+                    </CheckButton>
+
                     <!-- Background Transparency Slider -->
                     <Slider name="Guda_SettingsPopup_BgTransparencySlider" inherits="OptionsSliderTemplate">
                         <Size><AbsDimension x="450" y="17"/></Size>