diff --git a/Core/CategoryManager.lua b/Core/CategoryManager.lua
index 6554ccf..29f3aaf 100644
--- a/Core/CategoryManager.lua
+++ b/Core/CategoryManager.lua
@@ -1012,22 +1012,29 @@ function CategoryManager:EvaluateCategoryRules(categoryDef, itemData, bagID, slo
 
     local matchMode = categoryDef.matchMode or "any"
 
-    if matchMode == "all" then
-        -- All rules must match
-        for _, rule in ipairs(rules) do
-            if not self:EvaluateRule(rule, itemData, bagID, slotID, isOtherChar) then
-                return false
-            end
+    local hasRequired, hasOptional = false, false
+    local requiredAllPass, optionalAnyPass, optionalAllPass = true, false, true
+
+    for _, rule in ipairs(rules) do
+        local pass = self:EvaluateRule(rule, itemData, bagID, slotID, isOtherChar)
+        if rule.required then
+            hasRequired = true
+            if not pass then requiredAllPass = false end
+        else
+            hasOptional = true
+            if pass then optionalAnyPass = true else optionalAllPass = false end
         end
+    end
+
+    if matchMode == "all" then
+        if hasRequired and not requiredAllPass then return false end
+        if hasOptional and not optionalAllPass then return false end
         return true
     else
-        -- Any rule must match
-        for _, rule in ipairs(rules) do
-            if self:EvaluateRule(rule, itemData, bagID, slotID, isOtherChar) then
-                return true
-            end
-        end
-        return false
+        -- "any" mode: required rules must ALL pass; among optional rules at least one must pass
+        if hasRequired and not requiredAllPass then return false end
+        if hasOptional then return optionalAnyPass end
+        return hasRequired
     end
 end
 
diff --git a/Guda.toc b/Guda.toc
index f270475..a0be893 100644
--- a/Guda.toc
+++ b/Guda.toc
@@ -2,7 +2,7 @@
 ## Title: Guda
 ## Notes: All-in-one bag and bank addon for World of Warcraft 1.12.1 (Turtle WoW)
 ## Author: Vati
-## Version: 2.3.0
+## Version: 2.3.1
 ## SavedVariables: Guda_DB
 ## SavedVariablesPerCharacter: Guda_CharDB
 ## OptionalDeps: pfUI
diff --git a/Localization.lua b/Localization.lua
index c208e51..6900309 100644
--- a/Localization.lua
+++ b/Localization.lua
@@ -207,6 +207,8 @@ L["Group:"] = "Group:"
 L["Mark:"] = "Mark:"
 L["Any rule"] = "Any rule"
 L["All rules"] = "All rules"
+L["Required rule"] = "Required rule"
+L["Required rule tooltip"] = "Pin a rule to mark it as required. In 'Any rule' mode, ALL required rules must match AND at least one non-required rule must match. Has no effect in 'All rules' mode."
 L["Edit Category (Built-in)"] = "Edit Category (Built-in)"
 L["Edit Category"] = "Edit Category"
 L["Rules (%d/%d):"] = "Rules (%d/%d):"
@@ -544,6 +546,8 @@ if locale == "zhCN" then
     L["Mark:"] = "标记:"
     L["Any rule"] = "任一规则"
     L["All rules"] = "所有规则"
+    L["Required rule"] = "必需规则"
+    L["Required rule tooltip"] = "标记此规则为必需。在“任一规则”模式下，所有必需规则都必须匹配，且至少一条非必需规则也要匹配。“所有规则”模式下无效。"
     L["Edit Category (Built-in)"] = "编辑分类(内置)"
     L["Edit Category"] = "编辑分类"
     L["Rules (%d/%d):"] = "规则 (%d/%d):"
@@ -801,6 +805,8 @@ elseif locale == "esES" then
     L["Mark:"] = "Marca:"
     L["Any rule"] = "Cualquier regla"
     L["All rules"] = "Todas las reglas"
+    L["Required rule"] = "Regla obligatoria"
+    L["Required rule tooltip"] = "Fija una regla para marcarla como obligatoria. En el modo 'Cualquier regla', TODAS las reglas obligatorias deben coincidir Y al menos una regla no obligatoria también. No tiene efecto en 'Todas las reglas'."
     L["Edit Category (Built-in)"] = "Editar categoría (integrada)"
     L["Edit Category"] = "Editar categoría"
     L["Rules (%d/%d):"] = "Reglas (%d/%d):"
@@ -1053,6 +1059,8 @@ elseif locale == "ptBR" then
     L["Mark:"] = "Marca:"
     L["Any rule"] = "Qualquer regra"
     L["All rules"] = "Todas as regras"
+    L["Required rule"] = "Regra obrigatória"
+    L["Required rule tooltip"] = "Fixe uma regra para marcá-la como obrigatória. No modo 'Qualquer regra', TODAS as regras obrigatórias devem corresponder E pelo menos uma regra não obrigatória também. Sem efeito em 'Todas as regras'."
     L["Edit Category (Built-in)"] = "Editar categoria (integrada)"
     L["Edit Category"] = "Editar categoria"
     L["Rules (%d/%d):"] = "Regras (%d/%d):"
@@ -1305,6 +1313,8 @@ elseif locale == "deDE" then
     L["Mark:"] = "Markierung:"
     L["Any rule"] = "Beliebige Regel"
     L["All rules"] = "Alle Regeln"
+    L["Required rule"] = "Erforderliche Regel"
+    L["Required rule tooltip"] = "Regel anheften, um sie als erforderlich zu markieren. Im Modus 'Beliebige Regel' müssen ALLE erforderlichen Regeln zutreffen UND mindestens eine nicht-erforderliche Regel. Im Modus 'Alle Regeln' ohne Wirkung."
     L["Edit Category (Built-in)"] = "Kategorie bearbeiten (integriert)"
     L["Edit Category"] = "Kategorie bearbeiten"
     L["Rules (%d/%d):"] = "Regeln (%d/%d):"
@@ -1557,6 +1567,8 @@ elseif locale == "ruRU" then
     L["Mark:"] = "Метка:"
     L["Any rule"] = "Любое правило"
     L["All rules"] = "Все правила"
+    L["Required rule"] = "Обязательное правило"
+    L["Required rule tooltip"] = "Закрепите правило, чтобы сделать его обязательным. В режиме «Любое правило» ВСЕ обязательные правила должны совпасть И хотя бы одно необязательное правило. В режиме «Все правила» не влияет."
     L["Edit Category (Built-in)"] = "Изменить категорию (встроенная)"
     L["Edit Category"] = "Изменить категорию"
     L["Rules (%d/%d):"] = "Правила (%d/%d):"
diff --git a/UI/SettingsPopup.lua b/UI/SettingsPopup.lua
index ba46e04..9eaf738 100644
--- a/UI/SettingsPopup.lua
+++ b/UI/SettingsPopup.lua
@@ -2556,7 +2556,11 @@ function Guda_CategoryEditor_Open(categoryId)
     editorRules = {}
     if categoryDef.rules then
         for i, rule in ipairs(categoryDef.rules) do
-            table.insert(editorRules, { type = rule.type, value = rule.value })
+            table.insert(editorRules, {
+                type = rule.type,
+                value = rule.value,
+                required = rule.required and true or false,
+            })
         end
     end
 
@@ -2627,6 +2631,11 @@ function Guda_CategoryEditor_SetMatchMode(mode)
 
     if anyRadio then anyRadio:SetChecked(mode == "any" and 1 or 0) end
     if allRadio then allRadio:SetChecked(mode == "all" and 1 or 0) end
+
+    -- Re-render rule rows so pin buttons reflect new enabled state
+    if Guda_CategoryEditor_UpdateRulesDisplay then
+        Guda_CategoryEditor_UpdateRulesDisplay()
+    end
 end
 
 -- Get or create a rule row frame
@@ -2644,11 +2653,38 @@ local function GetRuleRowFrame(index)
     row:SetWidth(310)
     row:SetPoint("TOPLEFT", container, "TOPLEFT", 0, -((index - 1) * RULE_ROW_HEIGHT))
 
+    -- Required (pin) toggle button
+    local reqBtn = CreateFrame("Button", rowName .. "_ReqBtn", row)
+    reqBtn:SetWidth(18)
+    reqBtn:SetHeight(18)
+    reqBtn:SetPoint("LEFT", row, "LEFT", 0, 0)
+    local reqTex = reqBtn:CreateTexture(nil, "ARTWORK")
+    reqTex:SetAllPoints(reqBtn)
+    reqTex:SetTexture("Interface\\AddOns\\Guda\\Assets\\pin")
+    reqBtn.tex = reqTex
+    reqBtn.ruleIndex = index
+    reqBtn:SetScript("OnClick", function()
+        local idx = this.ruleIndex
+        if editorMatchMode == "all" then return end
+        if editorRules[idx] then
+            editorRules[idx].required = not editorRules[idx].required
+            Guda_CategoryEditor_UpdateRulesDisplay()
+        end
+    end)
+    reqBtn:SetScript("OnEnter", function()
+        GameTooltip:SetOwner(this, "ANCHOR_RIGHT")
+        GameTooltip:AddLine(Guda_L["Required rule"], 1, 0.82, 0)
+        GameTooltip:AddLine(Guda_L["Required rule tooltip"], 1, 1, 1, true)
+        GameTooltip:Show()
+    end)
+    reqBtn:SetScript("OnLeave", function() GameTooltip:Hide() end)
+    row.reqBtn = reqBtn
+
     -- Rule type dropdown button
     local typeBtn = CreateFrame("Button", rowName .. "_TypeBtn", row, "UIPanelButtonTemplate")
-    typeBtn:SetWidth(120)
+    typeBtn:SetWidth(105)
     typeBtn:SetHeight(22)
-    typeBtn:SetPoint("LEFT", row, "LEFT", 0, 0)
+    typeBtn:SetPoint("LEFT", reqBtn, "RIGHT", 4, 0)
     typeBtn:SetText(Guda_L["Select Type"])
     typeBtn.ruleIndex = index
     typeBtn:SetScript("OnClick", function()
@@ -2849,6 +2885,23 @@ function Guda_CategoryEditor_UpdateRulesDisplay()
                 row.valueBox.ruleIndex = ruleIndex
                 row.valueBtn.ruleIndex = ruleIndex
                 row.deleteBtn.ruleIndex = ruleIndex
+                if row.reqBtn then
+                    row.reqBtn.ruleIndex = ruleIndex
+                    if rule.required then
+                        row.reqBtn.tex:SetVertexColor(1, 0.82, 0)
+                        row.reqBtn.tex:SetDesaturated(nil)
+                    else
+                        row.reqBtn.tex:SetVertexColor(0.45, 0.45, 0.45)
+                        row.reqBtn.tex:SetDesaturated(1)
+                    end
+                    if editorMatchMode == "all" then
+                        row.reqBtn:Disable()
+                        row.reqBtn.tex:SetAlpha(0.35)
+                    else
+                        row.reqBtn:Enable()
+                        row.reqBtn.tex:SetAlpha(1)
+                    end
+                end
 
                 -- Set type button text
                 local typeName = "Select Type"
@@ -3137,7 +3190,11 @@ function Guda_CategoryEditor_Save()
     categoryDef.rules = {}
     for _, rule in ipairs(editorRules) do
         if rule.type and rule.type ~= "" then
-            table.insert(categoryDef.rules, { type = rule.type, value = rule.value })
+            table.insert(categoryDef.rules, {
+                type = rule.type,
+                value = rule.value,
+                required = rule.required and true or nil,
+            })
         end
     end