local addonName, ns = ...
ns = ns or {}

local M = ns.MSUF2 or {}
ns.MSUF2 = M
_G.MSUF2 = M

local W = M.Widgets
local T = M.Theme
local GP = M.GroupPage or {}

local floor = math.floor
local ceil = math.ceil
local max = math.max
local min = math.min
local unpack = unpack or table.unpack

local WHITE8X8 = "Interface\\Buttons\\WHITE8X8"

local function Tr(text)
    if type(text) ~= "string" then return text end
    local fn = M.Tr or ns.TR or ns.Translate
    if type(fn) == "function" then
        local translated = fn(text)
        if translated ~= nil then return translated end
    end
    local locale = ns.L or _G.MSUF_L
    if type(locale) == "table" and locale[text] ~= nil then return locale[text] end
    return text
end

local SCOPE_VALUES = GP.SCOPE_VALUES or {}
local GROWTH_VALUES = GP.GROWTH_VALUES or {}
local HEALTH_MODES = GP.HEALTH_MODES or {}
local TEXT_MODES = GP.TEXT_MODES or {}
local ANCHORS = GP.ANCHORS or {}
local AURA_ANCHORS = GP.AURA_ANCHORS or {}
local GF_RENDERERS = GP.GF_RENDERERS or {}
local GF_AURA_FILTERS = GP.GF_AURA_FILTERS or {}
local GF_AURA_ORG = GP.GF_AURA_ORG or {}
local SORT_MODES = GP.SORT_MODES or {}
local GF_BAR_MODES = GP.GF_BAR_MODES or {}
local SIMPLE_TEXTURES = GP.SIMPLE_TEXTURES or {}
local GF_ANCHOR_TO = GP.GF_ANCHOR_TO or {}
local GF_ANCHOR_POINTS = GP.GF_ANCHOR_POINTS or {}
local TOOLTIP_MODES = GP.TOOLTIP_MODES or {}
local TOOLTIP_MODIFIERS = GP.TOOLTIP_MODIFIERS or {}
local STATUS_ICON_ANCHORS = GP.STATUS_ICON_ANCHORS or {}
local GF_STATUS_ICON_SPECS = GP.GF_STATUS_ICON_SPECS or {}
local GF_STATUS_ICON_VALUES = GP.GF_STATUS_ICON_VALUES or {}
local PLACED_INDICATOR_TYPES = GP.PLACED_INDICATOR_TYPES or {}
local FRAME_EFFECT_TYPES = GP.FRAME_EFFECT_TYPES or {}
local SPELL_GROWTH_VALUES = GP.SPELL_GROWTH_VALUES or {}
local CI_SLOT_VALUES = GP.CI_SLOT_VALUES or {}
local CI_SLOT_DEFAULTS = GP.CI_SLOT_DEFAULTS or {}
local DISPEL_OVERLAY_STYLES = GP.DISPEL_OVERLAY_STYLES or {}
local DEBUFF_STRIPE_EDGES = GP.DEBUFF_STRIPE_EDGES or {}
local BLIZZARD_CONTAINER_STRATA = {
    { value = "AUTO", text = "Auto (Frame)" },
    { value = "BACKGROUND", text = "BACKGROUND" },
    { value = "LOW", text = "LOW" },
    { value = "MEDIUM", text = "MEDIUM" },
    { value = "HIGH", text = "HIGH" },
    { value = "DIALOG", text = "DIALOG" },
}

local GF = GP.GF
local RefreshGFPreview = GP.RefreshGFPreview
local Conf = GP.Conf
local Val = GP.Val
local QueueGF = GP.QueueGF
local Set = GP.Set
local Bool = GP.Bool
local Num = GP.Num
local ScopeSection = GP.ScopeSection
local CurrentScope = GP.CurrentScope
local BindScopeToggle = GP.BindScopeToggle
local BindScopeSlider = GP.BindScopeSlider
local BindScopeDropdown = GP.BindScopeDropdown
local BuildGrowthDirectionTiles = GP.BuildGrowthDirectionTiles
local BuildRoleOrderRows = GP.BuildRoleOrderRows
local AurasRoot = GP.AurasRoot
local AuraGroup = GP.AuraGroup
local PrivateAuras = GP.PrivateAuras
local SpellIndicators = GP.SpellIndicators
local IconStyleValues = GP.IconStyleValues
local CurrentGFStatusSpec = GP.CurrentGFStatusSpec
local QueueSpellIndicators = GP.QueueSpellIndicators
local SpellSpecValues = GP.SpellSpecValues
local SpellTrackedSpecValues = GP.SpellTrackedSpecValues
local CurrentSpellMultiSpec = GP.CurrentSpellMultiSpec
local EffectiveSpellSpec = GP.EffectiveSpellSpec
local SpellAuraValues = GP.SpellAuraValues
local CurrentSpellAura = GP.CurrentSpellAura
local CurrentSpellConfig = GP.CurrentSpellConfig
local PlacedConfig = GP.PlacedConfig
local FrameEffectConfig = GP.FrameEffectConfig
local CICategoryValues = GP.CICategoryValues
local CIFilterValues = GP.CIFilterValues
local CIModeValues = GP.CIModeValues
local CurrentCISlot = GP.CurrentCISlot
local CICustomConfig = GP.CICustomConfig
local BindNestedToggle = GP.BindNestedToggle
local BindNestedSlider = GP.BindNestedSlider
local BindNestedDropdown = GP.BindNestedDropdown
local SetOptionEnabled = GP.SetOptionEnabled
local SetOptionsEnabled = GP.SetOptionsEnabled
local ApplyScopeEnabledGate = GP.ApplyScopeEnabledGate
local SetSectionHeaderStatus = GP.SetSectionHeaderStatus

local function HeaderHintColor()
    return { 0.45, 0.52, 0.65, 1 }
end
local function BuildGFAuras(ctx)
    local b = W.PageBuilder(ctx)
    ScopeSection(ctx, b)
    M.GroupPreview.Add(ctx, b)

    local renderer = b:CollapsibleSection("blizzrenderer", "Aura Display Mode", 590, false)
    do
        local rendererW = renderer._msuf2Width or ctx.width or 720
        local rightCardW = max(330, min(390, rendererW - 364))
        W.ControlCardBackdrop(renderer, 14, -38, 300, 254)
        W.ControlCardBackdrop(renderer, 340, -64, rightCardW, 244)
        W.ControlCardBackdrop(renderer, 14, -310, 300, 234)
        W.ControlCardBackdrop(renderer, 340, -342, rightCardW, 184)
    end
    W.Text(renderer, "Blizzard mode lets WoW place the selected aura types. MSUF Custom mode lets MSUF control aura size, growth, position, filters, and styling. MSUF Dispel Border / Glow keeps Blizzard icons while allowing MSUF's dispel highlight visuals.", 14, -38, 620, T.colors.muted)

    local function PlaceDropdown(dropdown, x, y, width, hideTitle)
        if dropdown._msuf2Title then
            dropdown._msuf2Title:ClearAllPoints()
            dropdown._msuf2Title:SetPoint("TOPLEFT", renderer, "TOPLEFT", x, y + 20)
            dropdown._msuf2Title:SetShown(not hideTitle)
        end
        dropdown:ClearAllPoints()
        dropdown:SetPoint("TOPLEFT", renderer, "TOPLEFT", x, y)
        dropdown:SetSize(width, 22)
    end

    local function PlaceSlider(slider, x, y, width)
        W.MoveWidget(slider, renderer, x, y, width, "CENTER")
    end

    local function BindRendererSlider(widget, getTable, key, default, mode, labelFn)
        BindNestedSlider(ctx, widget, getTable, key, default, mode)
        local function RefreshLabel()
            local tbl = getTable()
            local value = tonumber(tbl and tbl[key]) or default or 0
            if widget._msuf2Title then widget._msuf2Title:SetText(labelFn(value)) end
        end
        widget:HookScript("OnValueChanged", function(self, value)
            if self._msuf2Refreshing then return end
            if self._msuf2Title then self._msuf2Title:SetText(labelFn(value)) end
        end)
        M.AddRefresher(ctx, RefreshLabel)
        RefreshLabel()
        return widget
    end

    local function AddLayerTooltip(widget)
        if not (widget and widget.HookScript) then return end
        widget:HookScript("OnEnter", function(self)
            if not _G.GameTooltip then return end
            _G.GameTooltip:SetOwner(self, "ANCHOR_RIGHT")
            _G.GameTooltip:AddLine(Tr("Blizzard Aura Layering"), 1, 1, 1)
            _G.GameTooltip:AddLine(Tr("Blizzard draws these icons on MSUF's frame container. If icons appear behind frames, adjust the advanced layering controls."), 0.72, 0.76, 0.86, true)
            _G.GameTooltip:Show()
        end)
        widget:HookScript("OnLeave", function()
            if _G.GameTooltip then _G.GameTooltip:Hide() end
        end)
    end

    local function AddAuraTooltip(widget, title, text)
        if not (widget and widget.HookScript) then return end
        widget:HookScript("OnEnter", function(self)
            if not _G.GameTooltip then return end
            _G.GameTooltip:SetOwner(self, "ANCHOR_RIGHT")
            _G.GameTooltip:AddLine(Tr(title or ""), 1, 1, 1)
            if text and text ~= "" then _G.GameTooltip:AddLine(Tr(text), 0.72, 0.76, 0.86, true) end
            _G.GameTooltip:Show()
        end)
        widget:HookScript("OnLeave", function()
            if _G.GameTooltip then _G.GameTooltip:Hide() end
        end)
    end

    local function ApplyBlizzardLayering(forceReapply)
        local gf = GF and GF()
        if gf and type(gf.ApplyBlizzardAuraContainerLayering) == "function" then
            gf.ApplyBlizzardAuraContainerLayering(CurrentScope(), forceReapply == true)
        end
        RefreshGFPreview()
    end

    local function GetAuraOption(key, default)
        local root = AurasRoot(CurrentScope())
        if root[key] == nil then return default end
        return root[key]
    end

    local function SetAuraOption(key, value, forceReapply)
        local root = AurasRoot(CurrentScope())
        if root[key] == value then return end
        root[key] = value
        ApplyBlizzardLayering(forceReapply)
    end

    local rendererMode = BindNestedDropdown(ctx, W.Dropdown(renderer, "", GF_RENDERERS, 180), function() return AurasRoot(CurrentScope()) end, "renderer", "BLIZZARD", "rebuild")
    PlaceDropdown(rendererMode, 14, -96, 180, true)
    AddAuraTooltip(rendererMode, "Aura Display Mode", "Blizzard mode uses WoW placement and cannot be dragged. MSUF Custom mode gives MSUF full positioning and styling control. If the preview marks an aura area as Blizzard-owned, MSUF can show the area but cannot drag that native aura block.")

    local iconSize = BindRendererSlider(W.Slider(renderer, "", 8, 80, 1, 260), function() return AurasRoot(CurrentScope()) end, "blizzardIconSize", 20, "geometry",
        function(v) return string.format(Tr("Icon size: %d"), v) end)
    PlaceSlider(iconSize, 14, -156, 260)

    local buffMax = BindRendererSlider(W.Slider(renderer, "", 0, 20, 1, 260), function() return AuraGroup(CurrentScope(), "buff") end, "max", 6, "visual",
        function(v) return string.format(Tr("Buff max: %d"), v) end)
    PlaceSlider(buffMax, 14, -208, 260)

    local debuffMax = BindRendererSlider(W.Slider(renderer, "", 0, 20, 1, 260), function() return AuraGroup(CurrentScope(), "debuff") end, "max", 3, "visual",
        function(v) return string.format(Tr("Debuff max: %d"), v) end)
    PlaceSlider(debuffMax, 14, -260, 260)

    local function BlizzardTypes()
        local root = AurasRoot(CurrentScope())
        root.blizzardTypes = root.blizzardTypes or {}
        return root.blizzardTypes
    end

    local routingLabel = W.Text(renderer, "Aura types handled by Blizzard", 350, -82, 330, T.colors.text)
    local buffChk = BindNestedToggle(ctx, W.ToggleAt(renderer, "Use Blizzard: Buffs", 350, -112, 170), BlizzardTypes, "buffs", true, "rebuild")
    local buffMixedHint = W.Text(renderer, "Off = MSUF Custom Buffs run too; duplicates can appear.", 350, -140, 330, T.colors.danger or { 0.88, 0.28, 0.28, 1 })
    if buffMixedHint and buffMixedHint.SetWordWrap then buffMixedHint:SetWordWrap(false) end
    local debuffChk = BindNestedToggle(ctx, W.ToggleAt(renderer, "Use Blizzard: Debuffs", 350, -172, 140), BlizzardTypes, "debuffs", true, "rebuild")
    local dispelChk = BindNestedToggle(ctx, W.ToggleAt(renderer, "Use Blizzard: Dispels", 350, -232, 140), BlizzardTypes, "dispels", true, "rebuild")
    local extChk = BindNestedToggle(ctx, W.ToggleAt(renderer, "Use Blizzard: Defensives", 520, -112, 150), BlizzardTypes, "externals", true, "rebuild")
    local cdTextChk = BindNestedToggle(ctx, W.ToggleAt(renderer, "Blizzard Cooldown Text", 520, -172, 150), function() return AurasRoot(CurrentScope()) end, "blizzardShowCooldownText", true, "visual")
    local privateChk = BindNestedToggle(ctx, W.ToggleAt(renderer, "Use Blizzard: Private Auras", 520, -232, 190), BlizzardTypes, "privateAuras", true, "rebuild")
    local blizzDispelBorderChk = BindNestedToggle(ctx, W.ToggleAt(renderer, "MSUF Dispel Border / Glow", 350, -262, 240), function() return AurasRoot(CurrentScope()) end, "blizzardDispelBorder", false, "rebuild")
    AddAuraTooltip(buffChk, "Use Blizzard: Buffs", "Turning Use Blizzard: Buffs off makes MSUF Custom Buffs run while Blizzard rendering stays active. Matching buffs can appear twice.")
    AddAuraTooltip(debuffChk, "Use Blizzard: Debuffs", "When enabled, WoW owns debuff icons. MSUF hide categories and custom debuff positioning do not filter Blizzard-rendered debuffs.")
    AddAuraTooltip(extChk, "Use Blizzard: Defensives", "When enabled, WoW owns defensive icons. MSUF custom positioning and styling apply only when this is off or the renderer is MSUF Custom.")
    AddAuraTooltip(blizzDispelBorderChk, "MSUF Dispel Border / Glow", "Keeps Blizzard aura icons active, but lets MSUF scan and draw the Dispel Border and Dispel Glow. Runtime work only applies while Dispel Border is enabled.")

    local orgLabel = W.Text(renderer, "Organization", 350, -292, 240, T.colors.text)
    local orgMode = BindNestedDropdown(ctx, W.Dropdown(renderer, "", GF_AURA_ORG, 260), function() return AurasRoot(CurrentScope()) end, "blizzardOrganizationType", "default", "geometry")
    PlaceDropdown(orgMode, 350, -314, 260, true)

    local layerLabel = W.Text(renderer, "Advanced Layering", 14, -324, 240, T.colors.text)
    local layerHint = W.Text(renderer, "Only adjust this if Blizzard-controlled aura icons appear behind other frames.", 14, -344, 300, T.colors.muted)
    local strataMode = W.Dropdown(renderer, "Aura Layer Strata", BLIZZARD_CONTAINER_STRATA, 180)
    M.BindDropdown(ctx, strataMode,
        function() return GetAuraOption("blizzardContainerStrata", "AUTO") end,
        function(value) SetAuraOption("blizzardContainerStrata", value or "AUTO", false) end)
    PlaceDropdown(strataMode, 14, -398, 180, false)
    AddLayerTooltip(strataMode)

    local containerLevel = W.Slider(renderer, "", 0, 30, 1, 260)
    M.BindSlider(ctx, containerLevel,
        function() return tonumber(GetAuraOption("blizzardContainerFrameLevel", 1)) or 1 end,
        function(value) SetAuraOption("blizzardContainerFrameLevel", floor((tonumber(value) or 1) + 0.5), false) end)
    local function RefreshContainerLevelLabel(value)
        value = value or tonumber(GetAuraOption("blizzardContainerFrameLevel", 1)) or 1
        if containerLevel._msuf2Title then
            containerLevel._msuf2Title:SetText(string.format(Tr("Frame level offset: +%d"), value))
        end
    end
    containerLevel:HookScript("OnValueChanged", function(self, value)
        if self._msuf2Refreshing then return end
        RefreshContainerLevelLabel(floor((tonumber(value) or 1) + 0.5))
    end)
    M.AddRefresher(ctx, RefreshContainerLevelLabel)
    RefreshContainerLevelLabel()
    PlaceSlider(containerLevel, 14, -452, 260)
    AddLayerTooltip(containerLevel)

    local privateLayerFix = W.ToggleAt(renderer, "Keep private auras above frames", 14, -512, 230)
    M.BindToggle(ctx, privateLayerFix,
        function() return GetAuraOption("blizzardPrivateLayerFix", true) ~= false end,
        function(value) SetAuraOption("blizzardPrivateLayerFix", value and true or false, true) end)
    AddLayerTooltip(privateLayerFix)

    local posLabel = W.Text(renderer, "Blizzard-Controlled Position", 350, -362, 260, T.colors.text)
    local posHint = W.Text(renderer, "Blizzard controls this aura block, so MSUF cannot drag it. Switch to MSUF Custom mode if you want full positioning control. The preview marks the Blizzard-owned area.", 350, -382, 330, T.colors.muted)

    local function RefreshRendererState()
        local native = (AurasRoot(CurrentScope()).renderer or "BLIZZARD") ~= "CUSTOM"
        local blizzTypes = BlizzardTypes()
        local customBuffs = native and blizzTypes.buffs == false
        local nativeDispels = native and (type(blizzTypes) ~= "table" or blizzTypes.dispels ~= false)
        SetOptionsEnabled({ buffChk, debuffChk, dispelChk, extChk, cdTextChk, privateChk, iconSize, buffMax, debuffMax, orgMode, strataMode, containerLevel, privateLayerFix }, native)
        SetOptionEnabled(blizzDispelBorderChk, nativeDispels)
        SetOptionEnabled(rendererMode, true)
        local c = native and T.colors.text or T.colors.dim
        local warning = T.colors.danger or { 0.88, 0.28, 0.28, 1 }
        routingLabel:SetTextColor(c[1], c[2], c[3], c[4] or 1)
        if buffMixedHint and buffMixedHint.SetShown then buffMixedHint:SetShown(customBuffs) end
        if buffChk._msuf2Label and buffChk._msuf2Label.SetTextColor then
            local bc = customBuffs and warning or c
            buffChk._msuf2Label:SetTextColor(bc[1], bc[2], bc[3], bc[4] or 1)
        end
        orgLabel:SetTextColor(c[1], c[2], c[3], c[4] or 1)
        layerLabel:SetTextColor(c[1], c[2], c[3], c[4] or 1)
        posLabel:SetTextColor(c[1], c[2], c[3], c[4] or 1)
        layerHint:SetTextColor((native and T.colors.muted or T.colors.dim)[1], (native and T.colors.muted or T.colors.dim)[2], (native and T.colors.muted or T.colors.dim)[3], native and 1 or 0.75)
        posHint:SetTextColor((native and T.colors.muted or T.colors.dim)[1], (native and T.colors.muted or T.colors.dim)[2], (native and T.colors.muted or T.colors.dim)[3], native and 1 or 0.75)
        if type(SetSectionHeaderStatus) == "function" then SetSectionHeaderStatus(renderer, nil) end
    end
    M.AddRefresher(ctx, RefreshRendererState)
    RefreshRendererState()
    do
        local entry = renderer and renderer._msuf2CollapsibleEntry
        if entry then entry._msuf2RefreshState = RefreshRendererState end
    end

    local AURA_POSITION_ANCHORS = (#STATUS_ICON_ANCHORS > 0 and STATUS_ICON_ANCHORS) or AURA_ANCHORS
    local AURA_GROWTH_VALUES = (#SPELL_GROWTH_VALUES > 0 and SPELL_GROWTH_VALUES) or {
        { value = "RIGHTDOWN", text = "Right then Down" },
        { value = "LEFTDOWN", text = "Left then Down" },
        { value = "RIGHTUP", text = "Right then Up" },
        { value = "LEFTUP", text = "Left then Up" },
    }

    local AURA_GROUP_DEFAULTS = {
        buff = {
            enabledLabel = "Buffs", maxLabel = "Max icons", maxMax = 20,
            anchor = "BOTTOMRIGHT", growth = "LEFTUP", size = 22, perRow = 4, max = 6, spacing = 1, layer = 5,
            filter = "RAID", height = 1130,
        },
        debuff = {
            enabledLabel = "Debuffs", maxLabel = "Max icons", maxMax = 20,
            anchor = "TOPLEFT", growth = "RIGHTDOWN", size = 20, perRow = 3, max = 6, spacing = 1, layer = 6,
            filter = "ALL", height = 1170, dispelBorder = true,
        },
        externals = {
            enabledLabel = "Defensives", maxLabel = "Max defensives", maxMax = 12,
            anchor = "CENTER", growth = "RIGHTDOWN", size = 28, perRow = 3, max = 2, spacing = 1, layer = 7,
            height = 1080,
        },
    }

    local AURA_TEXT_PREVIEW_IDS = {
        buff = { 774, 17, 139 },
        debuff = { 589, 980, 172 },
        externals = { 6940, 102342, 1022 },
    }
    local auraTextPreviewTexCache = {}

    local function GeneralDBForAuraPreview()
        _G.MSUF_DB = _G.MSUF_DB or {}
        _G.MSUF_DB.general = _G.MSUF_DB.general or {}
        return _G.MSUF_DB.general
    end

    local function ResolveAuraTextPreviewTexture(spellId)
        local cached = auraTextPreviewTexCache[spellId]
        if cached then return cached end
        local tex
        if C_Spell and C_Spell.GetSpellTexture then
            tex = C_Spell.GetSpellTexture(spellId)
        end
        if not tex and GetSpellInfo then
            local _, _, icon = GetSpellInfo(spellId)
            tex = icon
        end
        tex = tex or "Interface\\Icons\\INV_Misc_QuestionMark"
        auraTextPreviewTexCache[spellId] = tex
        return tex
    end

    local function ResolveAuraTextPreviewFont(kind)
        local gf = GF and GF()
        local fontPath = (gf and gf.ResolveFontPath and gf.ResolveFontPath(kind)) or (STANDARD_TEXT_FONT or "Fonts\\FRIZQT__.TTF")
        local fontFlags = (gf and gf.ResolveFontFlags and gf.ResolveFontFlags(kind)) or "OUTLINE"
        return fontPath, fontFlags
    end

    local function ReadAuraTextPreviewColor(value, dr, dg, db)
        if type(value) ~= "table" then return dr, dg, db, 1 end
        local r = value.r or value[1]
        local g = value.g or value[2]
        local b = value.b or value[3]
        if type(r) ~= "number" then r = dr end
        if type(g) ~= "number" then g = dg end
        if type(b) ~= "number" then b = db end
        return r, g, b, value.a or value[4] or 1
    end

    local function AuraTextPreviewBaseTextColor()
        local g = GeneralDBForAuraPreview()
        if g.useCustomFontColor == true
            and type(g.fontColorCustomR) == "number"
            and type(g.fontColorCustomG) == "number"
            and type(g.fontColorCustomB) == "number" then
            return g.fontColorCustomR, g.fontColorCustomG, g.fontColorCustomB, 1
        end
        return 1, 1, 1, 1
    end

    local function AuraTextPreviewCooldownColor()
        local g = GeneralDBForAuraPreview()
        local br, bg, bb = AuraTextPreviewBaseTextColor()
        local sr, sg, sb, sa = ReadAuraTextPreviewColor(g.aurasCooldownTextSafeColor, br, bg, bb)
        if g.gfAurasCooldownTextUseBuckets == false then return sr, sg, sb, sa end

        local warn = tonumber(g.gfAurasCooldownTextWarningSeconds) or 15
        local urgent = tonumber(g.gfAurasCooldownTextUrgentSeconds) or 5
        if urgent > warn then urgent = warn end

        local remain = 3
        if remain <= urgent then return ReadAuraTextPreviewColor(g.aurasCooldownTextUrgentColor, 1, 0.55, 0.10) end
        if remain <= warn then return ReadAuraTextPreviewColor(g.aurasCooldownTextWarningColor, 1, 0.85, 0.20) end
        return sr, sg, sb, sa
    end

    local function AuraTextPreviewStackColor()
        local g = GeneralDBForAuraPreview()
        return ReadAuraTextPreviewColor(g.aurasStackCountColor, 1, 1, 1)
    end

    local function CreateAuraTextPreview(parent, groupKey, mode, x, y, width)
        local preview = CreateFrame("Frame", nil, parent, "BackdropTemplate")
        preview:SetPoint("TOPLEFT", parent, "TOPLEFT", x, y)
        preview:SetSize(width, 62)
        preview:SetBackdrop({ bgFile = WHITE8X8, edgeFile = WHITE8X8, edgeSize = 1 })
        preview:SetBackdropColor(0.018, 0.026, 0.052, 0.78)
        preview:SetBackdropBorderColor(0.10, 0.18, 0.34, 0.82)

        local stripe = preview:CreateTexture(nil, "ARTWORK")
        stripe:SetPoint("LEFT", preview, "LEFT", 0, 0)
        stripe:SetSize(2, 48)
        if mode == "cooldown" then
            stripe:SetColorTexture(0.95, 0.78, 0.22, 0.95)
        else
            stripe:SetColorTexture(0.42, 0.74, 1.00, 0.95)
        end

        local label = T.Font(preview, "GameFontDisableSmall", Tr("Preview"), T.colors.muted)
        label:SetPoint("TOPLEFT", preview, "TOPLEFT", 10, -8)
        label:SetJustifyH("LEFT")

        local iconStartX = max(86, width - 144)
        local textWidth = max(70, iconStartX - 24)
        label:SetWidth(textWidth)

        local state = T.Font(preview, "GameFontDisableSmall", "", T.colors.dim)
        state:SetPoint("BOTTOMLEFT", preview, "BOTTOMLEFT", 10, 8)
        state:SetJustifyH("LEFT")
        state:SetWidth(textWidth)

        local icons = {}
        local iconIds = AURA_TEXT_PREVIEW_IDS[groupKey] or AURA_TEXT_PREVIEW_IDS.buff
        for i = 1, 3 do
            local icon = CreateFrame("Frame", nil, preview, "BackdropTemplate")
            icon:SetPoint("LEFT", preview, "LEFT", iconStartX + (i - 1) * 46, 0)
            icon:SetSize(34, 34)
            icon:SetBackdrop({ edgeFile = WHITE8X8, edgeSize = 1 })
            icon:SetBackdropBorderColor(0, 0, 0, 0.95)

            local tex = icon:CreateTexture(nil, "ARTWORK")
            tex:SetAllPoints(icon)
            tex:SetTexCoord(0.08, 0.92, 0.08, 0.92)
            tex:SetTexture(ResolveAuraTextPreviewTexture(iconIds[i]))
            icon._tex = tex

            local swipe = icon:CreateTexture(nil, "OVERLAY")
            swipe:SetAllPoints(icon)
            swipe:SetColorTexture(0, 0, 0, 0.28)
            icon._swipe = swipe

            local cd = icon:CreateFontString(nil, "OVERLAY")
            icon._cdText = cd

            local stack = icon:CreateFontString(nil, "OVERLAY")
            icon._stackText = stack

            icons[i] = icon
        end

        local function Refresh()
            local cfg = AuraGroup(CurrentScope(), groupKey)
            local kind = CurrentScope()
            local fontPath, fontFlags = ResolveAuraTextPreviewFont(kind)
            local rawIconSize = tonumber(cfg.size) or 20
            local previewIconSize = floor(min(40, max(30, rawIconSize * 1.35)) + 0.5)
            local scale = previewIconSize / max(1, rawIconSize)
            local showCd = cfg.showCooldown ~= false
            local showStacks = cfg.showStacks ~= false
            local cdR, cdG, cdB, cdA = AuraTextPreviewCooldownColor()
            local stR, stG, stB, stA = AuraTextPreviewStackColor()

            if mode == "cooldown" then
                state:SetText(showCd and "Cooldown text" or "Cooldown text off")
                state:SetTextColor(showCd and T.colors.dim[1] or 0.48, showCd and T.colors.dim[2] or 0.50, showCd and T.colors.dim[3] or 0.58, showCd and 1 or 0.85)
            else
                state:SetText(showStacks and "Stack count" or "Stack count off")
                state:SetTextColor(showStacks and T.colors.dim[1] or 0.48, showStacks and T.colors.dim[2] or 0.50, showStacks and T.colors.dim[3] or 0.58, showStacks and 1 or 0.85)
            end

            for i = 1, #icons do
                local icon = icons[i]
                icon:SetSize(previewIconSize, previewIconSize)
                if icon._swipe then icon._swipe:SetShown(cfg.showCooldownSwipe ~= false and showCd) end

                local cd = icon._cdText
                if cd then
                    if showCd then
                        local cdSize = floor(((tonumber(cfg.cooldownSize) or 8) * scale) + 0.5)
                        cd:SetFont(fontPath, max(6, cdSize), cfg.cooldownOutline or fontFlags)
                        cd:SetText(i == 2 and "5" or "3")
                        cd:SetTextColor(cdR, cdG, cdB, mode == "cooldown" and cdA or (cdA * 0.72))
                        cd:ClearAllPoints()
                        local anchor = cfg.cooldownAnchor or "CENTER"
                        local ox = floor(((tonumber(cfg.cooldownOffsetX) or 0) * scale) + 0.5)
                        local oy = floor(((tonumber(cfg.cooldownOffsetY) or 0) * scale) + 0.5)
                        cd:SetPoint(anchor, icon, anchor, ox, oy)
                        cd:Show()
                    else
                        cd:Hide()
                    end
                end

                local stack = icon._stackText
                if stack then
                    if showStacks then
                        local stSize = floor(((tonumber(cfg.stackSize) or 10) * scale) + 0.5)
                        stack:SetFont(fontPath, max(6, stSize), cfg.stackOutline or fontFlags)
                        stack:SetText(i == 2 and "3" or "2")
                        stack:SetTextColor(stR, stG, stB, mode == "stack" and stA or (stA * 0.72))
                        stack:ClearAllPoints()
                        local anchor = cfg.stackAnchor or "BOTTOMRIGHT"
                        local ox = floor(((tonumber(cfg.stackOffsetX) or 2) * scale) + 0.5)
                        local oy = floor(((tonumber(cfg.stackOffsetY) or -2) * scale) + 0.5)
                        stack:SetPoint(anchor, icon, anchor, ox, oy)
                        stack:Show()
                    else
                        stack:Hide()
                    end
                end
            end
        end

        preview.Refresh = Refresh
        preview:HookScript("OnShow", Refresh)
        M.AddRefresher(ctx, Refresh)
        Refresh()
        return preview
    end

    local function RefreshAuraTextPreviews(...)
        for i = 1, select("#", ...) do
            local preview = select(i, ...)
            if preview and preview.Refresh then preview:Refresh() end
        end
    end

    local function HookPreviewSlider(widget, ...)
        local previews = { ... }
        if widget and widget.HookScript then
            widget:HookScript("OnValueChanged", function(self)
                if self._msuf2Refreshing then return end
                RefreshAuraTextPreviews(unpack(previews))
            end)
        end
        return widget
    end

    local function HookPreviewDropdown(widget, ...)
        local previews = { ... }
        if not (widget and widget.SetOnValueChanged) then return widget end
        local previous = widget._msuf2OnValueChanged
        widget:SetOnValueChanged(function(value)
            if previous then previous(value) end
            RefreshAuraTextPreviews(unpack(previews))
        end)
        return widget
    end

    local function AuraFilter()
        local gf = GF and GF()
        return (gf and gf.AuraFilter) or _G.MSUF_GF_AuraFilter
    end

    local function AuraFilterValues(groupKey)
        local af = AuraFilter()
        if af then
            local values = groupKey == "debuff" and af.DEBUFF_FILTER_ITEMS or af.BUFF_FILTER_ITEMS
            if type(values) == "table" and #values > 0 then return values end
        end
        return GF_AURA_FILTERS
    end

    local function BindBlacklistToggle(widget, groupKey, catKey)
        M.BindToggle(ctx, widget,
            function()
                local g = AuraGroup(CurrentScope(), groupKey)
                return type(g.blacklistCats) == "table" and g.blacklistCats[catKey] == true
            end,
            function(v)
                local g = AuraGroup(CurrentScope(), groupKey)
                if type(g.blacklistCats) ~= "table" then g.blacklistCats = {} end
                g.blacklistCats[catKey] = v and true or nil
                local af = AuraFilter()
                if af and type(af.InvalidateBlacklistHash) == "function" then
                    af.InvalidateBlacklistHash(g)
                end
                QueueGF(CurrentScope(), "visual")
            end)
        return widget
    end

    local function BlizzardTypeKeyForGroup(groupKey)
        if groupKey == "buff" then return "buffs" end
        if groupKey == "debuff" then return "debuffs" end
        if groupKey == "externals" then return "externals" end
        return nil
    end

    local function IsGroupRenderedByBlizzard(groupKey)
        local nativeKey = BlizzardTypeKeyForGroup(groupKey)
        if not nativeKey then return false end
        local gf = GF and GF()
        if gf and type(gf.IsBlizzardAuraTypeEnabled) == "function" then
            return gf.IsBlizzardAuraTypeEnabled(Conf(CurrentScope()), nativeKey) == true
        end
        local root = AurasRoot(CurrentScope())
        if (root.renderer or "BLIZZARD") == "CUSTOM" then return false end
        local types = root.blizzardTypes
        return type(types) ~= "table" or types[nativeKey] ~= false
    end

    local function IsBlizzardRendererMode()
        local root = AurasRoot(CurrentScope())
        return (root.renderer or "BLIZZARD") ~= "CUSTOM"
    end

    local function BuildAuraBlacklist(section, groupKey, x1, x2, y, width, controls)
        local af = AuraFilter()
        local meta = af and af.DECLASSIFIED_META
        if not (type(meta) == "table" and #meta > 0) then return y, nil end

        W.ControlCardBackdrop(section, x1 - 14, y + 34, (x2 + width) - x1 + 28, ceil(#meta / 2) * 30 + 108)
        W.DividerAt(section, y + 20, x1, section._msuf2Width - x2 - width)
        W.LabelAt(section, "Hide Categories", x1, y, 180, "GameFontNormalSmall", T.colors.accent)
        local hint = groupKey == "buff"
            and "Checked categories hide MSUF custom buff icons only. Blizzard-rendered buffs bypass this list, so Skyfury or Earth Shield can still appear while Use Blizzard: Buffs is enabled."
            or "Checked categories hide MSUF custom debuff icons only. Blizzard-rendered debuffs bypass this list while Use Blizzard: Debuffs is enabled."
        local blacklistHint = W.Text(section, hint, x1, y - 20, (x2 + width) - x1, T.colors.muted)
        if blacklistHint and blacklistHint.SetWordWrap then blacklistHint:SetWordWrap(true) end
        blacklistHint._msuf2CustomHint = hint

        local startY = y - 66
        for i = 1, #meta do
            local cat = meta[i]
            local col = (i <= ceil(#meta / 2)) and 0 or 1
            local row = (col == 0) and (i - 1) or (i - ceil(#meta / 2) - 1)
            local tx = col == 0 and x1 or x2
            local toggle = BindBlacklistToggle(W.ToggleAt(section, cat.label or cat.key, tx, startY - row * 30, width - 36), groupKey, cat.key)
            controls[#controls + 1] = toggle
            if cat.tooltip then
                toggle:SetScript("OnEnter", function(self)
                    GameTooltip:SetOwner(self, "ANCHOR_RIGHT")
                    GameTooltip:AddLine(Tr(cat.label or cat.key), 1, 1, 1)
                    GameTooltip:AddLine(Tr(cat.tooltip), 0.7, 0.7, 0.7, true)
                    GameTooltip:Show()
                end)
                toggle:SetScript("OnLeave", function() GameTooltip:Hide() end)
            end
        end

        return startY - ceil(#meta / 2) * 30 - 18, blacklistHint
    end

    local function BuildAuraGroupSection(groupKey, title)
        local def = AURA_GROUP_DEFAULTS[groupKey]
        local section = b:CollapsibleSection(groupKey == "externals" and "ext" or (groupKey == "buff" and "buffs" or "debuffs"), title, def.height, false)
        local sectionW = section._msuf2Width or b.width or 720
        local leftX = 30
        local rightX = max(430, min(520, floor(sectionW * 0.50)))
        local leftW = max(270, min(340, rightX - leftX - 70))
        local rightW = max(280, min(360, sectionW - rightX - 42))
        local controls, cooldownChildren, stackChildren = {}, {}, {}
        local blacklistHint
        do
            W.ControlCardBackdrop(section, leftX - 14, -38, leftW + 28, 42)
            W.ControlCard(section, "Placement", nil, leftX - 14, -84, leftW + 28, 232)
            W.ControlCard(section, "Icon Grid", nil, rightX - 14, -84, rightW + 28, 282)
            W.ControlCard(section, "Behind Health Bar", nil, leftX - 14, -320, leftW + 28, 132)
        end

        local enable = BindNestedToggle(ctx, W.SwitchAt(section, def.enabledLabel, leftX, -44, 190), function() return AuraGroup(CurrentScope(), groupKey) end, "enabled", true, "visual")
        enable._msuf2GroupFrameGateAlwaysEnabled = true

        local anchor = BindNestedDropdown(ctx, W.Dropdown(section, "Anchor", AURA_POSITION_ANCHORS, leftW), function() return AuraGroup(CurrentScope(), groupKey) end, "anchor", def.anchor, "geometry")
        local growth = BindNestedDropdown(ctx, W.Dropdown(section, "Growth", AURA_GROWTH_VALUES, leftW), function() return AuraGroup(CurrentScope(), groupKey) end, "growth", def.growth, "geometry")
        local offsetX = BindNestedSlider(ctx, W.Slider(section, "Offset X", -160, 160, 1, leftW), function() return AuraGroup(CurrentScope(), groupKey) end, "x", 0, "geometry")
        local offsetY = BindNestedSlider(ctx, W.Slider(section, "Offset Y", -160, 160, 1, leftW), function() return AuraGroup(CurrentScope(), groupKey) end, "y", 0, "geometry")
        W.MoveWidget(anchor, section, leftX, -118, leftW, "LEFT")
        W.MoveWidget(growth, section, leftX, -172, leftW, "LEFT")
        W.MoveWidget(offsetX, section, leftX, -226, leftW, "CENTER")
        W.MoveWidget(offsetY, section, leftX, -280, leftW, "CENTER")
        controls[#controls + 1] = anchor
        controls[#controls + 1] = growth
        controls[#controls + 1] = offsetX
        controls[#controls + 1] = offsetY

        local behind = BindNestedToggle(ctx, W.ToggleAt(section, "Show icons behind HP bar", leftX, -364, 230), function() return AuraGroup(CurrentScope(), groupKey) end, "behindBar", false, "geometry")
        local behindAlpha = BindNestedSlider(ctx, W.Slider(section, "Behind Bar Opacity", 30, 100, 5, leftW), function() return AuraGroup(CurrentScope(), groupKey) end, "behindBarAlpha", 85, "visual")
        W.MoveWidget(behindAlpha, section, leftX, -408, leftW, "CENTER")
        controls[#controls + 1] = behind
        controls[#controls + 1] = behindAlpha

        local maxIcons = BindNestedSlider(ctx, W.Slider(section, def.maxLabel, 0, def.maxMax, 1, rightW), function() return AuraGroup(CurrentScope(), groupKey) end, "max", def.max, "visual")
        local iconSize = BindNestedSlider(ctx, W.Slider(section, "Icon size", 8, 64, 1, rightW), function() return AuraGroup(CurrentScope(), groupKey) end, "size", def.size, "geometry")
        local perRow = BindNestedSlider(ctx, W.Slider(section, "Per row", 1, 20, 1, rightW), function() return AuraGroup(CurrentScope(), groupKey) end, "perRow", def.perRow, "geometry")
        local spacing = BindNestedSlider(ctx, W.Slider(section, "Spacing", 0, 12, 1, rightW), function() return AuraGroup(CurrentScope(), groupKey) end, "spacing", def.spacing, "geometry")
        local layer = BindNestedSlider(ctx, W.Slider(section, "Layer (Z-Order)", 1, 15, 1, rightW), function() return AuraGroup(CurrentScope(), groupKey) end, "layer", def.layer, "geometry")
        W.MoveWidget(maxIcons, section, rightX, -118, rightW, "CENTER")
        W.MoveWidget(iconSize, section, rightX, -172, rightW, "CENTER")
        W.MoveWidget(perRow, section, rightX, -226, rightW, "CENTER")
        W.MoveWidget(spacing, section, rightX, -280, rightW, "CENTER")
        W.MoveWidget(layer, section, rightX, -334, rightW, "CENTER")
        controls[#controls + 1] = maxIcons
        controls[#controls + 1] = iconSize
        controls[#controls + 1] = perRow
        controls[#controls + 1] = spacing
        controls[#controls + 1] = layer

        local nextY = -456
        if groupKey == "buff" or groupKey == "debuff" then
            W.ControlCard(section, "Filter", nil, rightX - 14, -374, rightW + 28, groupKey == "debuff" and 164 or 112)
            local filter = BindNestedDropdown(ctx, W.Dropdown(section, "Base Filter", AuraFilterValues(groupKey), rightW), function() return AuraGroup(CurrentScope(), groupKey) end, "filterToken", def.filter, "visual")
            W.MoveWidget(filter, section, rightX, -416, rightW, "LEFT")
            controls[#controls + 1] = filter
            if groupKey == "debuff" then
                local dispel = BindNestedToggle(ctx, W.ToggleAt(section, "Show Dispel Type Border", rightX, -470, rightW - 36), function() return AuraGroup(CurrentScope(), groupKey) end, "showDispelBorder", true, "visual")
                controls[#controls + 1] = dispel
                nextY = -590
            else
                nextY = -536
            end
            nextY, blacklistHint = BuildAuraBlacklist(section, groupKey, leftX, rightX, nextY, rightW, controls)
        end

        local textY = min(nextY, groupKey == "externals" and -456 or -646)
        W.ControlCard(section, "Cooldown", nil, leftX - 14, textY + 26, leftW + 28, 386)
        W.ControlCard(section, "Stack Count", nil, rightX - 14, textY + 26, rightW + 28, 386)

        local showSwipe = BindNestedToggle(ctx, W.ToggleAt(section, "Show Cooldown Swipe", leftX, textY - 30, 220), function() return AuraGroup(CurrentScope(), groupKey) end, "showCooldownSwipe", true, "visual")
        local showCooldown = BindNestedToggle(ctx, W.ToggleAt(section, "Show Cooldown Text", leftX, textY - 62, 220), function() return AuraGroup(CurrentScope(), groupKey) end, "showCooldown", true, "visual")
        local cooldownPreview = CreateAuraTextPreview(section, groupKey, "cooldown", leftX, textY - 94, leftW)
        local cooldownSize = BindNestedSlider(ctx, W.Slider(section, "Font size", 6, 24, 1, leftW), function() return AuraGroup(CurrentScope(), groupKey) end, "cooldownSize", groupKey == "externals" and 10 or 8, "font")
        local cooldownAnchor = BindNestedDropdown(ctx, W.Dropdown(section, "Anchor", AURA_POSITION_ANCHORS, leftW), function() return AuraGroup(CurrentScope(), groupKey) end, "cooldownAnchor", "CENTER", "geometry")
        local cooldownX = BindNestedSlider(ctx, W.Slider(section, "Offset X", -30, 30, 1, leftW), function() return AuraGroup(CurrentScope(), groupKey) end, "cooldownOffsetX", 0, "geometry")
        local cooldownY = BindNestedSlider(ctx, W.Slider(section, "Offset Y", -30, 30, 1, leftW), function() return AuraGroup(CurrentScope(), groupKey) end, "cooldownOffsetY", 0, "geometry")
        W.MoveWidget(cooldownSize, section, leftX, textY - 176, leftW, "CENTER")
        W.MoveWidget(cooldownAnchor, section, leftX, textY - 230, leftW, "LEFT")
        W.MoveWidget(cooldownX, section, leftX, textY - 284, leftW, "CENTER")
        W.MoveWidget(cooldownY, section, leftX, textY - 338, leftW, "CENTER")
        controls[#controls + 1] = showSwipe
        controls[#controls + 1] = showCooldown
        controls[#controls + 1] = cooldownPreview
        controls[#controls + 1] = cooldownSize
        controls[#controls + 1] = cooldownAnchor
        controls[#controls + 1] = cooldownX
        controls[#controls + 1] = cooldownY
        cooldownChildren[#cooldownChildren + 1] = cooldownSize
        cooldownChildren[#cooldownChildren + 1] = cooldownAnchor
        cooldownChildren[#cooldownChildren + 1] = cooldownX
        cooldownChildren[#cooldownChildren + 1] = cooldownY

        local showStacks = BindNestedToggle(ctx, W.ToggleAt(section, "Show Stack Count", rightX, textY - 30, 220), function() return AuraGroup(CurrentScope(), groupKey) end, "showStacks", groupKey ~= "externals", "visual")
        local stackPreview = CreateAuraTextPreview(section, groupKey, "stack", rightX, textY - 94, rightW)
        local stackSize = BindNestedSlider(ctx, W.Slider(section, "Font size", 6, 24, 1, rightW), function() return AuraGroup(CurrentScope(), groupKey) end, "stackSize", 10, "font")
        local stackAnchor = BindNestedDropdown(ctx, W.Dropdown(section, "Anchor", AURA_POSITION_ANCHORS, rightW), function() return AuraGroup(CurrentScope(), groupKey) end, "stackAnchor", "BOTTOMRIGHT", "geometry")
        local stackX = BindNestedSlider(ctx, W.Slider(section, "Offset X", -30, 30, 1, rightW), function() return AuraGroup(CurrentScope(), groupKey) end, "stackOffsetX", 2, "geometry")
        local stackY = BindNestedSlider(ctx, W.Slider(section, "Offset Y", -30, 30, 1, rightW), function() return AuraGroup(CurrentScope(), groupKey) end, "stackOffsetY", -2, "geometry")
        W.MoveWidget(stackSize, section, rightX, textY - 176, rightW, "CENTER")
        W.MoveWidget(stackAnchor, section, rightX, textY - 230, rightW, "LEFT")
        W.MoveWidget(stackX, section, rightX, textY - 284, rightW, "CENTER")
        W.MoveWidget(stackY, section, rightX, textY - 338, rightW, "CENTER")
        HookPreviewSlider(cooldownSize, cooldownPreview, stackPreview)
        HookPreviewDropdown(cooldownAnchor, cooldownPreview, stackPreview)
        HookPreviewSlider(cooldownX, cooldownPreview, stackPreview)
        HookPreviewSlider(cooldownY, cooldownPreview, stackPreview)
        HookPreviewSlider(stackSize, cooldownPreview, stackPreview)
        HookPreviewDropdown(stackAnchor, cooldownPreview, stackPreview)
        HookPreviewSlider(stackX, cooldownPreview, stackPreview)
        HookPreviewSlider(stackY, cooldownPreview, stackPreview)
        controls[#controls + 1] = showStacks
        controls[#controls + 1] = stackPreview
        controls[#controls + 1] = stackSize
        controls[#controls + 1] = stackAnchor
        controls[#controls + 1] = stackX
        controls[#controls + 1] = stackY
        stackChildren[#stackChildren + 1] = stackSize
        stackChildren[#stackChildren + 1] = stackAnchor
        stackChildren[#stackChildren + 1] = stackX
        stackChildren[#stackChildren + 1] = stackY

        local function RefreshAuraGroupState()
            local cfg = AuraGroup(CurrentScope(), groupKey)
            local groupEnabled = cfg.enabled ~= false
            local nativeGroup = IsGroupRenderedByBlizzard(groupKey)
            local mixedGroup = groupEnabled and IsBlizzardRendererMode() and not nativeGroup
            local warningColor = T.colors.danger or { 0.88, 0.28, 0.28, 1 }
            SetOptionsEnabled(controls, groupEnabled)
            SetOptionsEnabled(cooldownChildren, groupEnabled and cfg.showCooldown ~= false)
            SetOptionsEnabled(stackChildren, groupEnabled and cfg.showStacks ~= false)
            SetOptionEnabled(enable, true)
            SetOptionEnabled(showCooldown, groupEnabled)
            SetOptionEnabled(showStacks, groupEnabled)
            if blacklistHint then
                if blacklistHint.SetText then
                    if mixedGroup and groupKey == "buff" then
                        blacklistHint:SetText(Tr("Turning Use Blizzard: Buffs off makes MSUF Custom Buffs run while Blizzard rendering stays active. Matching buffs can appear twice."))
                    elseif mixedGroup then
                        blacklistHint:SetText(Tr("Blizzard renderer is still active, but this group is MSUF Custom because its Use Blizzard toggle is off. Other active Blizzard aura types can still show matching spells, so duplicates can appear."))
                    elseif blacklistHint._msuf2CustomHint then
                        blacklistHint:SetText(Tr(blacklistHint._msuf2CustomHint))
                    end
                end
                local c = (nativeGroup or mixedGroup) and warningColor or T.colors.muted
                blacklistHint:SetTextColor(c[1], c[2], c[3], c[4] or 1)
            end
            if type(SetSectionHeaderStatus) == "function" then
                if nativeGroup then
                    SetSectionHeaderStatus(section, {
                        hint = Tr("Rendered by Blizzard"),
                        hintColor = warningColor,
                        bg = { 0.120, 0.035, 0.040, 0.55 },
                        arrowColor = warningColor,
                    })
                elseif mixedGroup then
                    SetSectionHeaderStatus(section, {
                        hint = Tr("MSUF Custom + Blizzard active"),
                        hintColor = warningColor,
                        bg = { 0.120, 0.035, 0.040, 0.55 },
                        arrowColor = warningColor,
                    })
                else
                    SetSectionHeaderStatus(section, nil)
                end
            end
        end
        M.AddRefresher(ctx, RefreshAuraGroupState)
        RefreshAuraGroupState()
        do
            local entry = section and section._msuf2CollapsibleEntry
            if entry then entry._msuf2RefreshState = RefreshAuraGroupState end
        end
    end

    BuildAuraGroupSection("buff", "Buffs")
    BuildAuraGroupSection("debuff", "Debuffs")
    BuildAuraGroupSection("externals", "Defensives")

    local function GeneralDB()
        _G.MSUF_DB = _G.MSUF_DB or {}
        _G.MSUF_DB.general = _G.MSUF_DB.general or {}
        return _G.MSUF_DB.general
    end

    local function ReadRGB(t, dr, dg, db)
        if type(t) ~= "table" then return dr, dg, db end
        local r = t[1] or t.r
        local g = t[2] or t.g
        local bcol = t[3] or t.b
        if type(r) ~= "number" then r = dr end
        if type(g) ~= "number" then g = dg end
        if type(bcol) ~= "number" then bcol = db end
        return r, g, bcol
    end

    local function GetBaseTimerColor()
        local g = GeneralDB()
        if g.useCustomFontColor == true
            and type(g.fontColorCustomR) == "number"
            and type(g.fontColorCustomG) == "number"
            and type(g.fontColorCustomB) == "number" then
            return g.fontColorCustomR, g.fontColorCustomG, g.fontColorCustomB
        end
        return 1, 1, 1
    end

    local function GetTimerSafeColor()
        local r, g, bcol = GetBaseTimerColor()
        return ReadRGB(GeneralDB().aurasCooldownTextSafeColor, r, g, bcol)
    end

    local function GetTimerWarningColor()
        return ReadRGB(GeneralDB().aurasCooldownTextWarningColor, 1, 0.85, 0.20)
    end

    local function GetTimerUrgentColor()
        return ReadRGB(GeneralDB().aurasCooldownTextUrgentColor, 1, 0.55, 0.10)
    end

    local function RequestTimerColorRefresh()
        if _G.MSUF_A2_InvalidateCooldownTextCurve then _G.MSUF_A2_InvalidateCooldownTextCurve() end
        if _G.MSUF_A2_ForceCooldownTextRecolor then _G.MSUF_A2_ForceCooldownTextRecolor() end
        if _G.MSUF_GF_InvalidateCooldownTextCurve then _G.MSUF_GF_InvalidateCooldownTextCurve() end
        if _G.MSUF_GF_ForceCooldownTextRecolor then _G.MSUF_GF_ForceCooldownTextRecolor() end
        QueueGF(CurrentScope(), "visual")
        RefreshGFPreview()
    end

    local function RefreshContext()
        if not (ctx and ctx.refreshers) then return end
        for i = 1, #ctx.refreshers do
            local fn = ctx.refreshers[i]
            if type(fn) == "function" then pcall(fn) end
        end
    end

    local function HasCustomIconAuraGroups()
        local auras = AurasRoot(CurrentScope())
        if (auras.renderer or "BLIZZARD") == "CUSTOM" then return true end
        local types = auras.blizzardTypes
        if type(types) ~= "table" then return false end
        return types.buffs == false or types.debuffs == false or types.externals == false
    end

    local function ClampNumber(v, lo, hi)
        v = tonumber(v) or lo
        if v < lo then return lo end
        if v > hi then return hi end
        return floor(v + 0.5)
    end

    local function BindGeneralToggle(widget, key, default)
        M.BindToggle(ctx, widget,
            function()
                local v = GeneralDB()[key]
                if v == nil then v = default end
                return v and true or false
            end,
            function(v)
                GeneralDB()[key] = v and true or false
                RequestTimerColorRefresh()
                RefreshContext()
            end)
        return widget
    end

    local function BindGeneralSlider(widget, key, lo, hi, default, clampFn, afterSet)
        M.BindSlider(ctx, widget,
            function()
                local value = GeneralDB()[key]
                if type(value) ~= "number" then value = default end
                if clampFn then value = clampFn(value) end
                return value
            end,
            function(value)
                value = clampFn and clampFn(value) or ClampNumber(value, lo, hi)
                local g = GeneralDB()
                if g[key] == value then return end
                g[key] = value
                if afterSet then afterSet(value) end
                RequestTimerColorRefresh()
                RefreshContext()
            end)
        return widget
    end

    local function BindGeneralColor(widget, getColor, setColor)
        M.BindColor(ctx, widget, getColor, function(r, g, bcol)
            setColor(r, g, bcol)
            RequestTimerColorRefresh()
            RefreshContext()
        end)
        return widget
    end

    local textcolor = b:CollapsibleSection("textcolor", "Text Coloring", 400, false)
    local textW = textcolor._msuf2Width or b.width or 720
    local leftX = 30
    local textGap = 56
    local rightW = min(340, max(220, floor(textW * 0.36)))
    local leftW = min(380, max(280, textW - leftX - textGap - rightW - 14))
    local rightX = leftX + leftW + textGap
    if rightX + rightW + 14 > textW then
        rightW = max(220, textW - rightX - 14)
    end
    W.ControlCardBackdrop(textcolor, leftX - 14, -38, leftW + 28, 304)
    W.ControlCardBackdrop(textcolor, rightX - 14, -100, rightW + 28, 282)

    W.LabelAt(textcolor, "Cooldown Timer Text", leftX, -42, 220, "GameFontNormalSmall", T.colors.accent)
    local info = W.Text(textcolor, "MSUF timer coloring only applies to custom aura icons. Blizzard-rendered cooldown text can be shown or hidden per group, but not recolored here.", leftX, -64, leftW, T.colors.muted)
    if info.SetWordWrap then info:SetWordWrap(true) end

    local colorByTime = BindGeneralToggle(W.ToggleAt(textcolor, "Color aura timers by remaining time", leftX, -112, leftW), "gfAurasCooldownTextUseBuckets", true)
    W.LabelAt(textcolor, "Colors", leftX, -154, 180, "GameFontNormalSmall", T.colors.text)
    local safeColor = BindGeneralColor(W.Color(textcolor, "Safe"), GetTimerSafeColor, function(r, g, bcol)
        GeneralDB().aurasCooldownTextSafeColor = { r, g, bcol }
    end)
    local warningColor = BindGeneralColor(W.Color(textcolor, "Warning"), GetTimerWarningColor, function(r, g, bcol)
        GeneralDB().aurasCooldownTextWarningColor = { r, g, bcol }
    end)
    local urgentColor = BindGeneralColor(W.Color(textcolor, "Urgent"), GetTimerUrgentColor, function(r, g, bcol)
        GeneralDB().aurasCooldownTextUrgentColor = { r, g, bcol }
    end)
    W.MoveWidget(safeColor, textcolor, leftX, -178)
    W.MoveWidget(warningColor, textcolor, leftX, -218)
    W.MoveWidget(urgentColor, textcolor, leftX, -258)

    local resetColors = W.Button(textcolor, "Reset", 84)
    resetColors:ClearAllPoints()
    resetColors:SetPoint("TOPLEFT", textcolor, "TOPLEFT", leftX, -304)
    resetColors:SetScript("OnClick", function()
        local g = GeneralDB()
        g.aurasCooldownTextSafeColor = nil
        g.aurasCooldownTextWarningColor = { 1.00, 0.85, 0.20 }
        g.aurasCooldownTextUrgentColor = { 1.00, 0.55, 0.10 }
        RequestTimerColorRefresh()
        RefreshContext()
    end)

    W.LabelAt(textcolor, "Preview", rightX, -112, 180, "GameFontNormalSmall", T.colors.text)
    local previewSamples = {
        { text = "60", label = "Safe", get = GetTimerSafeColor, bucket = false },
        { text = "15", label = "Warning", get = GetTimerWarningColor, bucket = true },
        { text = "5", label = "Urgent", get = GetTimerUrgentColor, bucket = true },
    }
    local sampleW = min(96, floor((rightW - 18) / 3))
    for i = 1, #previewSamples do
        local spec = previewSamples[i]
        local box = CreateFrame("Frame", nil, textcolor, "BackdropTemplate")
        box:SetSize(sampleW, 46)
        box:SetPoint("TOPLEFT", textcolor, "TOPLEFT", rightX + (i - 1) * (sampleW + 9), -138)
        box:SetBackdrop({ bgFile = "Interface\\Buttons\\WHITE8x8", edgeFile = "Interface\\Buttons\\WHITE8x8", edgeSize = 1 })
        box:SetBackdropColor(0.02, 0.02, 0.03, 0.82)
        box:SetBackdropBorderColor(0.14, 0.16, 0.22, 0.90)
        local value = T.Font(box, "GameFontNormalLarge", spec.text, T.colors.text)
        value:SetPoint("CENTER", box, "CENTER", 0, 5)
        local label = T.Font(box, "GameFontDisableSmall", spec.label, T.colors.dim)
        label:SetPoint("BOTTOM", box, "BOTTOM", 0, 3)
        spec.box = box
        spec.value = value
    end

    local function ClampSafe(value)
        return ClampNumber(value, 0, 600)
    end
    local function ClampWarning(value)
        local safe = tonumber(GeneralDB().gfAurasCooldownTextSafeSeconds) or 60
        return min(ClampNumber(value, 0, 30), safe)
    end
    local function ClampUrgent(value)
        local warning = tonumber(GeneralDB().gfAurasCooldownTextWarningSeconds) or 15
        return min(ClampNumber(value, 0, 15), warning)
    end
    local function AfterSafe(value)
        local g = GeneralDB()
        if type(g.gfAurasCooldownTextWarningSeconds) ~= "number" then g.gfAurasCooldownTextWarningSeconds = 15 end
        if type(g.gfAurasCooldownTextUrgentSeconds) ~= "number" then g.gfAurasCooldownTextUrgentSeconds = 5 end
        if g.gfAurasCooldownTextWarningSeconds > value then g.gfAurasCooldownTextWarningSeconds = value end
        if g.gfAurasCooldownTextUrgentSeconds > g.gfAurasCooldownTextWarningSeconds then
            g.gfAurasCooldownTextUrgentSeconds = g.gfAurasCooldownTextWarningSeconds
        end
    end
    local function AfterWarning(value)
        local g = GeneralDB()
        if type(g.gfAurasCooldownTextSafeSeconds) ~= "number" then g.gfAurasCooldownTextSafeSeconds = 60 end
        if type(g.gfAurasCooldownTextUrgentSeconds) ~= "number" then g.gfAurasCooldownTextUrgentSeconds = 5 end
        if value > g.gfAurasCooldownTextSafeSeconds then g.gfAurasCooldownTextWarningSeconds = g.gfAurasCooldownTextSafeSeconds end
        if g.gfAurasCooldownTextUrgentSeconds > value then g.gfAurasCooldownTextUrgentSeconds = value end
    end
    local function AfterUrgent(value)
        local g = GeneralDB()
        if type(g.gfAurasCooldownTextWarningSeconds) ~= "number" then g.gfAurasCooldownTextWarningSeconds = 15 end
        if value > g.gfAurasCooldownTextWarningSeconds then g.gfAurasCooldownTextUrgentSeconds = g.gfAurasCooldownTextWarningSeconds end
    end

    local safeSeconds = BindGeneralSlider(W.Slider(textcolor, "Safe (seconds)", 0, 600, 1, rightW), "gfAurasCooldownTextSafeSeconds", 0, 600, 60, ClampSafe, AfterSafe)
    local warningSeconds = BindGeneralSlider(W.Slider(textcolor, "Warning (<=)", 0, 30, 1, rightW), "gfAurasCooldownTextWarningSeconds", 0, 30, 15, ClampWarning, AfterWarning)
    local urgentSeconds = BindGeneralSlider(W.Slider(textcolor, "Urgent (<=)", 0, 15, 1, rightW), "gfAurasCooldownTextUrgentSeconds", 0, 15, 5, ClampUrgent, AfterUrgent)
    W.MoveWidget(safeSeconds, textcolor, rightX, -218, rightW, "CENTER")
    W.MoveWidget(warningSeconds, textcolor, rightX, -272, rightW, "CENTER")
    W.MoveWidget(urgentSeconds, textcolor, rightX, -326, rightW, "CENTER")

    local textColorControls = { colorByTime, safeColor, warningColor, urgentColor, resetColors, safeSeconds, warningSeconds, urgentSeconds }
    local bucketControls = { warningColor, urgentColor, warningSeconds, urgentSeconds }
    local function RefreshTextColorState()
        local customIcons = HasCustomIconAuraGroups()
        local bucketsOn = GeneralDB().gfAurasCooldownTextUseBuckets ~= false
        SetOptionsEnabled(textColorControls, customIcons)
        SetOptionsEnabled(bucketControls, customIcons and bucketsOn)
        SetOptionEnabled(colorByTime, customIcons)

        local colors = {
            { GetTimerSafeColor() },
            { GetTimerWarningColor() },
            { GetTimerUrgentColor() },
        }
        local g = GeneralDB()
        local sampleValues = {
            tostring(tonumber(g.gfAurasCooldownTextSafeSeconds) or 60),
            tostring(tonumber(g.gfAurasCooldownTextWarningSeconds) or 15),
            tostring(tonumber(g.gfAurasCooldownTextUrgentSeconds) or 5),
        }
        for i = 1, #previewSamples do
            local sample = previewSamples[i]
            local r, g, bcol = colors[i][1], colors[i][2], colors[i][3]
            local alpha = (customIcons and (not sample.bucket or bucketsOn)) and 1 or 0.35
            if sample.value then sample.value:SetText(sampleValues[i]) end
            if sample.value then sample.value:SetTextColor(r, g, bcol, alpha) end
            if sample.box and sample.box.SetAlpha then sample.box:SetAlpha(customIcons and 1 or 0.45) end
        end
        if type(SetSectionHeaderStatus) == "function" then SetSectionHeaderStatus(textcolor, nil) end
    end
    M.AddRefresher(ctx, RefreshTextColorState)
    RefreshTextColorState()
    do
        local entry = textcolor and textcolor._msuf2CollapsibleEntry
        if entry then entry._msuf2RefreshState = RefreshTextColorState end
    end

    local priv = b:CollapsibleSection("priv", "Private Auras", 298, false)
    local privW = priv._msuf2Width or ctx.width or 900
    local privLeftX = 32
    local privRightX = min(max(430, floor(privW * 0.52)), max(360, privW - 360))
    local privLeftW = max(250, privRightX - privLeftX - 42)
    local privRightW = max(250, privW - privRightX - 32)
    local privControlW = max(260, min(320, privLeftW))
    local privRightControlW = max(260, min(320, privRightW))
    W.ControlCardBackdrop(priv, privLeftX - 14, -38, privControlW + 28, 180)
    W.ControlCardBackdrop(priv, privRightX - 14, -38, privRightControlW + 28, 180)
    W.ControlCardBackdrop(priv, privLeftX - 14, -230, min(privW - 64, privControlW + privRightControlW + 58), 58)
    local privMax = BindNestedSlider(ctx, W.Slider(priv, "Private aura max", 0, 12, 1, 300), function() return PrivateAuras(CurrentScope()) end, "max", 4, "visual")
    local privSize = BindNestedSlider(ctx, W.Slider(priv, "Private aura size", 8, 64, 1, 300), function() return PrivateAuras(CurrentScope()) end, "size", 20, "geometry")
    local privAnchor = BindNestedDropdown(ctx, W.Dropdown(priv, "Private aura anchor", AURA_ANCHORS, 220), function() return PrivateAuras(CurrentScope()) end, "anchor", "TOPRIGHT", "geometry")
    local privX = BindNestedSlider(ctx, W.Slider(priv, "Private aura X", -100, 100, 1, 300), function() return PrivateAuras(CurrentScope()) end, "x", 0, "geometry")
    local privY = BindNestedSlider(ctx, W.Slider(priv, "Private aura Y", -100, 100, 1, 300), function() return PrivateAuras(CurrentScope()) end, "y", 0, "geometry")
    local privCountdown = BindNestedToggle(ctx, W.Toggle(priv, "Show countdown"), function() return PrivateAuras(CurrentScope()) end, "showCountdown", true, "visual")
    local privNumbers = BindNestedToggle(ctx, W.Toggle(priv, "Show numbers"), function() return PrivateAuras(CurrentScope()) end, "showNumbers", false, "visual")
    local privControls = {
        privMax,
        privSize,
        privAnchor,
        privX,
        privY,
        privCountdown,
        privNumbers,
    }
    local privEnable = BindNestedToggle(ctx, W.SwitchAt(priv, "Private Auras", privLeftX, -64, privControlW), function() return PrivateAuras(CurrentScope()) end, "enabled", true, "visual")
    privEnable._msuf2GroupFrameGateAlwaysEnabled = true
    W.LabelAt(priv, "Display", privLeftX, -38, privLeftW, "GameFontNormalSmall", T.colors.accent)
    W.LabelAt(priv, "Position", privRightX, -38, privRightW, "GameFontNormalSmall", T.colors.accent)
    W.MoveWidget(privMax, priv, privLeftX, -98, privControlW)
    W.MoveWidget(privSize, priv, privLeftX, -150, privControlW)
    W.MoveWidget(privAnchor, priv, privRightX, -64, privRightControlW)
    W.MoveWidget(privX, priv, privRightX, -116, privRightControlW)
    W.MoveWidget(privY, priv, privRightX, -168, privRightControlW)
    W.DividerAt(priv, -222, privLeftX, 32)
    W.LabelAt(priv, "Text", privLeftX, -240, privLeftW, "GameFontNormalSmall", T.colors.accent)
    W.MoveWidget(privCountdown, priv, privLeftX, -266)
    W.MoveWidget(privNumbers, priv, privRightX, -266)
    local function RefreshPrivateAuraState()
        SetOptionsEnabled(privControls, PrivateAuras(CurrentScope()).enabled ~= false)
        SetOptionEnabled(privEnable, true)
        if type(SetSectionHeaderStatus) == "function" then SetSectionHeaderStatus(priv, nil) end
    end
    M.AddRefresher(ctx, RefreshPrivateAuraState)
    RefreshPrivateAuraState()
    do
        local entry = priv and priv._msuf2CollapsibleEntry
        if entry then entry._msuf2RefreshState = RefreshPrivateAuraState end
    end

    local style = b:CollapsibleSection("masque", "Cooldown Style", 196, false)
    local styleW = min((style._msuf2Width or ctx.width or 720) - 40, 560)
    W.ControlCardBackdrop(style, 20, -38, styleW, 134)
    BindScopeToggle(ctx, W.SwitchAt(style, "Cooldown darkens on loss", 36, -62, styleW - 64), "cooldownSwipeDarkenOnLoss", false, "visual")
    local masqueSkin = W.SwitchAt(style, "Masque skin", 36, -94, styleW - 64)
    M.BindToggle(ctx, masqueSkin,
        function() return Bool(CurrentScope(), "masqueEnabled", false) end,
        function(v)
            Set(CurrentScope(), "masqueEnabled", v and true or false, "visual")
            local gf = GF and GF()
            if gf and gf.Masque and type(gf.Masque.ReskinAllIcons) == "function" then
                gf.Masque.ReskinAllIcons()
            end
            if ctx and ctx.refreshers then
                for i = 1, #ctx.refreshers do
                    local fn = ctx.refreshers[i]
                    if type(fn) == "function" then pcall(fn) end
                end
            end
        end)
    BindNestedToggle(ctx, W.SwitchAt(style, "Dynamic icon scale", 36, -126, styleW - 64), function() return AurasRoot(CurrentScope()) end, "dynamicScale", false, "geometry")
    local function RefreshStyleHeader()
        if type(SetSectionHeaderStatus) ~= "function" then return end
        SetSectionHeaderStatus(style, nil)
    end
    M.AddRefresher(ctx, RefreshStyleHeader)
    RefreshStyleHeader()
    do
        local entry = style and style._msuf2CollapsibleEntry
        if entry then entry._msuf2RefreshState = RefreshStyleHeader end
    end

    local utilities = b:CollapsibleSection("autil", "Aura Utilities", 196, false)
    local utilitiesW = min((utilities._msuf2Width or ctx.width or 720) - 40, 560)
    W.ControlCardBackdrop(utilities, 20, -38, utilitiesW, 134)
    BindNestedToggle(ctx, W.SwitchAt(utilities, "Show tooltip on auras", 36, -62, utilitiesW - 64), function() return AurasRoot(CurrentScope()) end, "showTooltip", true, "visual")
    BindNestedToggle(ctx, W.SwitchAt(utilities, "Sort by duration", 36, -94, utilitiesW - 64), function() return AurasRoot(CurrentScope()) end, "sortByDuration", false, "visual")
    BindNestedToggle(ctx, W.SwitchAt(utilities, "Prefer player auras", 36, -126, utilitiesW - 64), function() return AurasRoot(CurrentScope()) end, "preferPlayer", true, "visual")
    local function RefreshUtilityHeader()
        if type(SetSectionHeaderStatus) ~= "function" then return end
        SetSectionHeaderStatus(utilities, nil)
    end
    M.AddRefresher(ctx, RefreshUtilityHeader)
    RefreshUtilityHeader()
    do
        local entry = utilities and utilities._msuf2CollapsibleEntry
        if entry then entry._msuf2RefreshState = RefreshUtilityHeader end
    end

    if type(ApplyScopeEnabledGate) == "function" then
        M.AddRefresher(ctx, function() ApplyScopeEnabledGate(ctx) end)
        ApplyScopeEnabledGate(ctx)
    end

    ctx:SetContentHeight(math.abs(b.y) + 42)
end

M.RegisterPage("gf_auras", { title = "MSUF Group Buffs & Debuffs", build = BuildGFAuras, version = 12 })
