local theme = require("n8n.theme")

local M = {}

---@param opts? table
function M.setup(opts)
  opts = opts or {}
  local c = theme.colors()

  local groups = {}

  -- ============================================================
  -- Core editor highlights
  -- ============================================================
  groups.Normal        = { fg = c.fg, bg = c.bg }
  groups.NormalFloat   = { fg = c.fg, bg = c.bg_float }
  groups.NormalSB      = { fg = c.fg_sidebar, bg = c.bg_sidebar }
  groups.SignColumn     = { fg = c.fg_gutter, bg = c.bg }
  groups.FoldColumn     = { fg = c.fg_gutter, bg = c.bg }
  groups.MsgArea        = { fg = c.fg }
  groups.MsgSeparator   = { fg = c.border }
  groups.SpellBad       = { sp = c.error, undercurl = true }
  groups.SpellCap       = { sp = c.warning, undercurl = true }
  groups.SpellLocal     = { sp = c.info, undercurl = true }
  groups.SpellRare      = { sp = c.hint, undercurl = true }

  -- Cursor and selections
  groups.Cursor        = { fg = c.bg, bg = c.fg_bright }
  groups.lCursor       = { link = "Cursor" }
  groups.CursorIM      = { link = "Cursor" }
  groups.TermCursor    = { fg = c.bg, bg = c.accent }
  groups.TermCursorNC  = { fg = c.bg, bg = c.fg_dark }
  groups.CursorLine    = { bg = c.bg_highlight }
  groups.CursorColumn  = { bg = c.bg_highlight }
  groups.ColorColumn    = { bg = c.bg_highlight }
  groups.Visual        = { bg = c.bg_visual }
  groups.VisualNOS     = { bg = c.bg_visual }

  -- Line numbers
  groups.LineNr        = { fg = c.fg_gutter }
  groups.CursorLineNr  = { fg = c.accent, bold = true }
  groups.LineNrAbove   = { fg = c.fg_gutter }
  groups.LineNrBelow   = { fg = c.fg_gutter }

  -- Search
  groups.Search        = { fg = c.fg_bright, bg = c.bg_search }
  groups.IncSearch     = { fg = c.bg, bg = c.accent }
  groups.CurSearch     = { link = "IncSearch" }
  groups.Substitute    = { fg = c.bg, bg = c.accent }

  -- Popup menu
  groups.Pmenu         = { fg = c.fg, bg = c.bg_popup }
  groups.PmenuSel      = { fg = c.fg_bright, bg = c.bg_visual }
  groups.PmenuSbar     = { bg = c.bg_popup }
  groups.PmenuThumb    = { bg = c.border }
  groups.PmenuKind     = { fg = c.accent }
  groups.PmenuKindSel  = { fg = c.accent, bg = c.bg_visual }
  groups.PmenuExtra    = { fg = c.fg_dark }
  groups.PmenuExtraSel = { fg = c.fg_dark, bg = c.bg_visual }

  -- Tabline
  groups.TabLine       = { fg = c.fg_dark, bg = c.bg_statusline }
  groups.TabLineFill   = { bg = c.bg_dark }
  groups.TabLineSel    = { fg = c.fg_bright, bg = c.bg }

  -- Statusline
  groups.StatusLine    = { fg = c.fg, bg = c.bg_statusline }
  groups.StatusLineNC  = { fg = c.fg_gutter, bg = c.bg_statusline }

  -- Window separators
  groups.VertSplit     = { fg = c.border }
  groups.WinSeparator  = { fg = c.border }
  groups.WinBar        = { fg = c.fg, bg = c.bg }
  groups.WinBarNC      = { fg = c.fg_dark, bg = c.bg }

  -- Folds and columns
  groups.Folded        = { fg = c.fg_dark, bg = c.bg_highlight }
  groups.NonText       = { fg = c.neutral_700 }
  groups.EndOfBuffer   = { fg = c.neutral_800 }
  groups.Whitespace    = { fg = c.neutral_800 }
  groups.SpecialKey    = { fg = c.neutral_700 }

  -- Messages
  groups.ErrorMsg      = { fg = c.error }
  groups.WarningMsg    = { fg = c.warning }
  groups.MoreMsg       = { fg = c.info }
  groups.Question      = { fg = c.accent }
  groups.Title         = { fg = c.accent, bold = true }
  groups.Directory     = { fg = c.func }
  groups.Conceal       = { fg = c.fg_dark }
  groups.MatchParen    = { fg = c.accent, bold = true, underline = true }
  groups.QuickFixLine  = { bg = c.bg_visual }

  -- Float border
  groups.FloatBorder   = { fg = c.border_highlight, bg = c.bg_float }
  groups.FloatTitle    = { fg = c.accent, bg = c.bg_float, bold = true }

  -- ============================================================
  -- Standard syntax groups (:h group-name)
  -- ============================================================
  groups.Comment       = { fg = c.comment, italic = true }
  groups.Constant      = { fg = c.constant }
  groups.String        = { fg = c.string }
  groups.Character     = { fg = c.string }
  groups.Number        = { fg = c.number }
  groups.Boolean       = { fg = c.boolean }
  groups.Float         = { fg = c.number }

  groups.Identifier    = { fg = c.variable }
  groups.Function      = { fg = c.func }

  groups.Statement     = { fg = c.keyword }
  groups.Conditional   = { fg = c.keyword }
  groups.Repeat        = { fg = c.keyword }
  groups.Label         = { fg = c.keyword }
  groups.Operator      = { fg = c.operator }
  groups.Keyword       = { fg = c.keyword }
  groups.Exception     = { fg = c.keyword }

  groups.PreProc       = { fg = c.preproc }
  groups.Include       = { fg = c.keyword }
  groups.Define        = { fg = c.keyword }
  groups.Macro         = { fg = c.preproc }
  groups.PreCondit     = { fg = c.preproc }

  groups.Type          = { fg = c.type }
  groups.StorageClass  = { fg = c.keyword }
  groups.Structure     = { fg = c.type }
  groups.Typedef       = { fg = c.type }

  groups.Special       = { fg = c.special }
  groups.SpecialChar   = { fg = c.escape }
  groups.Tag           = { fg = c.tag }
  groups.Delimiter     = { fg = c.punctuation }
  groups.SpecialComment = { fg = c.comment, bold = true }
  groups.Debug         = { fg = c.warning }

  groups.Underlined    = { underline = true }
  groups.Bold          = { bold = true }
  groups.Italic        = { italic = true }
  groups.Ignore        = { fg = c.bg }
  groups.Error         = { fg = c.error }
  groups.Todo          = { fg = c.bg, bg = c.accent, bold = true }

  -- ============================================================
  -- Treesitter highlights (@groups)
  -- ============================================================

  -- Identifiers
  groups["@variable"]                    = { fg = c.variable }
  groups["@variable.builtin"]            = { fg = c.builtin, italic = true }
  groups["@variable.parameter"]          = { fg = c.parameter }
  groups["@variable.parameter.builtin"]  = { fg = c.parameter, italic = true }
  groups["@variable.member"]             = { fg = c.property }

  groups["@constant"]                    = { fg = c.constant }
  groups["@constant.builtin"]            = { fg = c.constant, bold = true }
  groups["@constant.macro"]              = { fg = c.preproc }

  groups["@module"]                      = { fg = c.namespace }
  groups["@module.builtin"]              = { fg = c.namespace, italic = true }
  groups["@label"]                       = { fg = c.keyword }

  -- Literals
  groups["@string"]                      = { fg = c.string }
  groups["@string.documentation"]        = { fg = c.comment }
  groups["@string.regex"]                = { fg = c.regex }
  groups["@string.escape"]               = { fg = c.escape }
  groups["@string.special"]              = { fg = c.special }
  groups["@string.special.symbol"]       = { fg = c.special }
  groups["@string.special.url"]          = { fg = c.info, underline = true }
  groups["@string.special.path"]         = { fg = c.info }

  groups["@character"]                   = { fg = c.string }
  groups["@character.special"]           = { fg = c.escape }

  groups["@boolean"]                     = { fg = c.boolean }
  groups["@number"]                      = { fg = c.number }
  groups["@number.float"]                = { fg = c.number }

  -- Types
  groups["@type"]                        = { fg = c.type }
  groups["@type.builtin"]                = { fg = c.type, italic = true }
  groups["@type.definition"]             = { fg = c.type }
  groups["@type.qualifier"]              = { fg = c.keyword }

  groups["@attribute"]                   = { fg = c.attribute }
  groups["@attribute.builtin"]           = { fg = c.attribute, italic = true }
  groups["@property"]                    = { fg = c.property }

  -- Functions
  groups["@function"]                    = { fg = c.func }
  groups["@function.builtin"]            = { fg = c.builtin }
  groups["@function.call"]               = { fg = c.func }
  groups["@function.macro"]              = { fg = c.preproc }
  groups["@function.method"]             = { fg = c.func }
  groups["@function.method.call"]        = { fg = c.func }

  groups["@constructor"]                 = { fg = c.type }
  groups["@operator"]                    = { fg = c.operator }

  -- Keywords
  groups["@keyword"]                     = { fg = c.keyword }
  groups["@keyword.coroutine"]           = { fg = c.keyword, italic = true }
  groups["@keyword.function"]            = { fg = c.keyword }
  groups["@keyword.operator"]            = { fg = c.operator }
  groups["@keyword.import"]              = { fg = c.keyword }
  groups["@keyword.type"]                = { fg = c.keyword }
  groups["@keyword.modifier"]            = { fg = c.keyword }
  groups["@keyword.repeat"]              = { fg = c.keyword }
  groups["@keyword.return"]              = { fg = c.keyword }
  groups["@keyword.debug"]               = { fg = c.warning }
  groups["@keyword.exception"]           = { fg = c.keyword }
  groups["@keyword.conditional"]         = { fg = c.keyword }
  groups["@keyword.conditional.ternary"] = { fg = c.operator }
  groups["@keyword.directive"]           = { fg = c.preproc }
  groups["@keyword.directive.define"]    = { fg = c.preproc }

  -- Punctuation
  groups["@punctuation.delimiter"]       = { fg = c.punctuation }
  groups["@punctuation.bracket"]         = { fg = c.punctuation }
  groups["@punctuation.special"]         = { fg = c.special }

  -- Comments
  groups["@comment"]                     = { fg = c.comment, italic = true }
  groups["@comment.documentation"]       = { fg = c.comment }
  groups["@comment.error"]               = { fg = c.error }
  groups["@comment.warning"]             = { fg = c.warning }
  groups["@comment.todo"]                = { fg = c.bg, bg = c.accent, bold = true }
  groups["@comment.note"]                = { fg = c.bg, bg = c.info, bold = true }

  -- Markup (markdown, html, etc.)
  groups["@markup.strong"]               = { bold = true }
  groups["@markup.italic"]               = { italic = true }
  groups["@markup.strikethrough"]        = { strikethrough = true }
  groups["@markup.underline"]            = { underline = true }
  groups["@markup.heading"]              = { fg = c.accent, bold = true }
  groups["@markup.heading.1"]            = { fg = c.accent, bold = true }
  groups["@markup.heading.2"]            = { fg = c.func, bold = true }
  groups["@markup.heading.3"]            = { fg = c.type, bold = true }
  groups["@markup.heading.4"]            = { fg = c.string, bold = true }
  groups["@markup.heading.5"]            = { fg = c.constant, bold = true }
  groups["@markup.heading.6"]            = { fg = c.comment, bold = true }
  groups["@markup.quote"]                = { fg = c.fg_dark, italic = true }
  groups["@markup.math"]                 = { fg = c.number }
  groups["@markup.environment"]          = { fg = c.preproc }
  groups["@markup.link"]                 = { fg = c.info, underline = true }
  groups["@markup.link.label"]           = { fg = c.info }
  groups["@markup.link.url"]             = { fg = c.info, underline = true }
  groups["@markup.raw"]                  = { fg = c.string }
  groups["@markup.raw.block"]            = { fg = c.fg }
  groups["@markup.list"]                 = { fg = c.accent }
  groups["@markup.list.checked"]         = { fg = c.git_add }
  groups["@markup.list.unchecked"]       = { fg = c.fg_dark }

  -- Tags (HTML, JSX, etc.)
  groups["@tag"]                         = { fg = c.tag }
  groups["@tag.builtin"]                 = { fg = c.tag, bold = true }
  groups["@tag.attribute"]               = { fg = c.attribute }
  groups["@tag.delimiter"]               = { fg = c.punctuation }

  -- ============================================================
  -- LSP Semantic Tokens
  -- ============================================================
  groups["@lsp.type.boolean"]            = { link = "@boolean" }
  groups["@lsp.type.builtinType"]        = { link = "@type.builtin" }
  groups["@lsp.type.comment"]            = { link = "@comment" }
  groups["@lsp.type.decorator"]          = { link = "@attribute" }
  groups["@lsp.type.deriveHelper"]       = { link = "@attribute" }
  groups["@lsp.type.enum"]              = { link = "@type" }
  groups["@lsp.type.enumMember"]        = { link = "@constant" }
  groups["@lsp.type.escapeSequence"]    = { link = "@string.escape" }
  groups["@lsp.type.formatSpecifier"]   = { link = "@punctuation.special" }
  groups["@lsp.type.function"]          = { link = "@function" }
  groups["@lsp.type.generic"]           = { link = "@variable" }
  groups["@lsp.type.interface"]         = { fg = c.type }
  groups["@lsp.type.keyword"]           = { link = "@keyword" }
  groups["@lsp.type.lifetime"]          = { link = "@keyword.modifier" }
  groups["@lsp.type.method"]            = { link = "@function.method" }
  groups["@lsp.type.namespace"]         = { link = "@module" }
  groups["@lsp.type.number"]            = { link = "@number" }
  groups["@lsp.type.operator"]          = { link = "@operator" }
  groups["@lsp.type.parameter"]         = { link = "@variable.parameter" }
  groups["@lsp.type.property"]          = { link = "@property" }
  groups["@lsp.type.selfKeyword"]       = { fg = c.builtin, italic = true }
  groups["@lsp.type.selfTypeKeyword"]   = { link = "@type.builtin" }
  groups["@lsp.type.string"]            = { link = "@string" }
  groups["@lsp.type.typeAlias"]         = { link = "@type.definition" }
  groups["@lsp.type.typeParameter"]     = { fg = c.type }
  groups["@lsp.type.unresolvedReference"] = { undercurl = true, sp = c.error }
  groups["@lsp.type.variable"]          = {} -- defer to treesitter
  groups["@lsp.typemod.class.defaultLibrary"]    = { link = "@type.builtin" }
  groups["@lsp.typemod.enum.defaultLibrary"]     = { link = "@type.builtin" }
  groups["@lsp.typemod.enumMember.defaultLibrary"] = { link = "@constant.builtin" }
  groups["@lsp.typemod.function.defaultLibrary"] = { link = "@function.builtin" }
  groups["@lsp.typemod.keyword.async"]           = { link = "@keyword.coroutine" }
  groups["@lsp.typemod.keyword.injected"]        = { link = "@keyword" }
  groups["@lsp.typemod.macro.defaultLibrary"]    = { link = "@function.builtin" }
  groups["@lsp.typemod.method.defaultLibrary"]   = { link = "@function.builtin" }
  groups["@lsp.typemod.operator.injected"]       = { link = "@operator" }
  groups["@lsp.typemod.string.injected"]         = { link = "@string" }
  groups["@lsp.typemod.struct.defaultLibrary"]   = { link = "@type.builtin" }
  groups["@lsp.typemod.type.defaultLibrary"]     = { link = "@type.builtin" }
  groups["@lsp.typemod.typeAlias.defaultLibrary"] = { link = "@type.builtin" }
  groups["@lsp.typemod.variable.callable"]       = { link = "@function" }
  groups["@lsp.typemod.variable.defaultLibrary"] = { link = "@variable.builtin" }
  groups["@lsp.typemod.variable.injected"]       = { link = "@variable" }
  groups["@lsp.typemod.variable.static"]         = { link = "@constant" }

  -- ============================================================
  -- Diagnostics
  -- ============================================================
  groups.DiagnosticError            = { fg = c.error }
  groups.DiagnosticWarn             = { fg = c.warning }
  groups.DiagnosticInfo             = { fg = c.info }
  groups.DiagnosticHint             = { fg = c.hint }
  groups.DiagnosticOk               = { fg = c.git_add }
  groups.DiagnosticUnderlineError   = { undercurl = true, sp = c.error }
  groups.DiagnosticUnderlineWarn    = { undercurl = true, sp = c.warning }
  groups.DiagnosticUnderlineInfo    = { undercurl = true, sp = c.info }
  groups.DiagnosticUnderlineHint    = { undercurl = true, sp = c.hint }
  groups.DiagnosticUnderlineOk      = { undercurl = true, sp = c.git_add }
  groups.DiagnosticVirtualTextError = { fg = c.error, bg = c.danger_bg }
  groups.DiagnosticVirtualTextWarn  = { fg = c.warning, bg = c.sticky_bg }
  groups.DiagnosticVirtualTextInfo  = { fg = c.info, bg = c.info_bg }
  groups.DiagnosticVirtualTextHint  = { fg = c.hint, bg = c.success_bg }

  -- ============================================================
  -- Diff
  -- ============================================================
  groups.DiffAdd    = { bg = c.diff_add }
  groups.DiffChange = { bg = c.diff_change }
  groups.DiffDelete = { bg = c.diff_delete }
  groups.DiffText   = { bg = c.diff_text }
  groups.diffAdded   = { fg = c.git_add }
  groups.diffRemoved = { fg = c.git_delete }
  groups.diffChanged = { fg = c.git_change }
  groups.diffOldFile = { fg = c.git_delete }
  groups.diffNewFile = { fg = c.git_add }
  groups.diffFile    = { fg = c.info }
  groups.diffLine    = { fg = c.comment }
  groups.diffIndexLine = { fg = c.comment }

  -- ============================================================
  -- Git Signs
  -- ============================================================
  groups.GitSignsAdd          = { fg = c.git_add }
  groups.GitSignsChange       = { fg = c.git_change }
  groups.GitSignsDelete       = { fg = c.git_delete }
  groups.GitSignsAddNr        = { fg = c.git_add }
  groups.GitSignsChangeNr     = { fg = c.git_change }
  groups.GitSignsDeleteNr     = { fg = c.git_delete }
  groups.GitSignsAddLn        = { bg = c.diff_add }
  groups.GitSignsChangeLn     = { bg = c.diff_change }
  groups.GitSignsDeleteLn     = { bg = c.diff_delete }
  groups.GitSignsCurrentLineBlame = { fg = c.fg_gutter, italic = true }

  -- ============================================================
  -- Telescope
  -- ============================================================
  groups.TelescopeNormal       = { fg = c.fg, bg = c.bg_float }
  groups.TelescopeBorder       = { fg = c.border_highlight, bg = c.bg_float }
  groups.TelescopeTitle        = { fg = c.accent, bold = true }
  groups.TelescopePromptNormal = { fg = c.fg_bright, bg = c.bg_popup }
  groups.TelescopePromptBorder = { fg = c.accent, bg = c.bg_popup }
  groups.TelescopePromptTitle  = { fg = c.bg, bg = c.accent, bold = true }
  groups.TelescopePromptPrefix = { fg = c.accent }
  groups.TelescopePreviewTitle = { fg = c.bg, bg = c.info, bold = true }
  groups.TelescopeResultsTitle = { fg = c.bg, bg = c.hint, bold = true }
  groups.TelescopeSelection    = { bg = c.bg_visual }
  groups.TelescopeSelectionCaret = { fg = c.accent }
  groups.TelescopeMatching     = { fg = c.accent, bold = true }

  -- ============================================================
  -- NvimTree / Neo-tree
  -- ============================================================
  groups.NvimTreeNormal        = { fg = c.fg_sidebar, bg = c.bg_sidebar }
  groups.NvimTreeNormalNC      = { fg = c.fg_sidebar, bg = c.bg_sidebar }
  groups.NvimTreeRootFolder    = { fg = c.accent, bold = true }
  groups.NvimTreeFolderIcon    = { fg = c.func }
  groups.NvimTreeFolderName    = { fg = c.func }
  groups.NvimTreeOpenedFolderName = { fg = c.func, bold = true }
  groups.NvimTreeGitDirty      = { fg = c.git_change }
  groups.NvimTreeGitNew        = { fg = c.git_add }
  groups.NvimTreeGitDeleted    = { fg = c.git_delete }
  groups.NvimTreeSpecialFile   = { fg = c.special, underline = true }
  groups.NvimTreeIndentMarker  = { fg = c.border }
  groups.NvimTreeWinSeparator  = { fg = c.border, bg = c.bg_sidebar }

  groups.NeoTreeNormal         = { fg = c.fg_sidebar, bg = c.bg_sidebar }
  groups.NeoTreeNormalNC       = { fg = c.fg_sidebar, bg = c.bg_sidebar }
  groups.NeoTreeDimText        = { fg = c.fg_gutter }
  groups.NeoTreeTitleBar       = { fg = c.bg, bg = c.accent }

  -- ============================================================
  -- Indent Blankline
  -- ============================================================
  groups.IndentBlanklineChar           = { fg = c.neutral_800, nocombine = true }
  groups.IndentBlanklineContextChar    = { fg = c.accent, nocombine = true }
  groups.IblIndent                     = { fg = c.neutral_800, nocombine = true }
  groups.IblScope                      = { fg = c.accent, nocombine = true }

  -- ============================================================
  -- Which Key
  -- ============================================================
  groups.WhichKey          = { fg = c.accent }
  groups.WhichKeyGroup     = { fg = c.func }
  groups.WhichKeyDesc      = { fg = c.fg }
  groups.WhichKeySeparator = { fg = c.comment }
  groups.WhichKeyValue     = { fg = c.fg_dark }

  -- ============================================================
  -- Dashboard / Alpha
  -- ============================================================
  groups.DashboardHeader   = { fg = c.accent }
  groups.DashboardCenter   = { fg = c.func }
  groups.DashboardShortCut = { fg = c.keyword }
  groups.DashboardFooter   = { fg = c.comment, italic = true }

  -- ============================================================
  -- Notify
  -- ============================================================
  groups.NotifyERRORBorder = { fg = c.error }
  groups.NotifyERRORIcon   = { fg = c.error }
  groups.NotifyERRORTitle  = { fg = c.error }
  groups.NotifyWARNBorder  = { fg = c.warning }
  groups.NotifyWARNIcon    = { fg = c.warning }
  groups.NotifyWARNTitle   = { fg = c.warning }
  groups.NotifyINFOBorder  = { fg = c.info }
  groups.NotifyINFOIcon    = { fg = c.info }
  groups.NotifyINFOTitle   = { fg = c.info }
  groups.NotifyDEBUGBorder = { fg = c.comment }
  groups.NotifyDEBUGIcon   = { fg = c.comment }
  groups.NotifyDEBUGTitle  = { fg = c.comment }
  groups.NotifyTRACEBorder = { fg = c.special }
  groups.NotifyTRACEIcon   = { fg = c.special }
  groups.NotifyTRACETitle  = { fg = c.special }

  -- ============================================================
  -- Noice
  -- ============================================================
  groups.NoiceCmdlinePopup       = { fg = c.fg, bg = c.bg_float }
  groups.NoiceCmdlinePopupBorder = { fg = c.accent }
  groups.NoiceCmdlineIcon        = { fg = c.accent }
  groups.NoiceConfirm            = { fg = c.fg, bg = c.bg_float }
  groups.NoiceConfirmBorder      = { fg = c.accent }

  -- ============================================================
  -- Cmp (completion)
  -- ============================================================
  groups.CmpItemAbbr             = { fg = c.fg }
  groups.CmpItemAbbrDeprecated   = { fg = c.fg_dark, strikethrough = true }
  groups.CmpItemAbbrMatch        = { fg = c.accent, bold = true }
  groups.CmpItemAbbrMatchFuzzy   = { fg = c.accent, bold = true }
  groups.CmpItemKind             = { fg = c.func }
  groups.CmpItemMenu             = { fg = c.fg_dark }

  groups.CmpItemKindClass        = { fg = c.type }
  groups.CmpItemKindColor        = { fg = c.special }
  groups.CmpItemKindConstant     = { fg = c.constant }
  groups.CmpItemKindConstructor  = { fg = c.type }
  groups.CmpItemKindEnum         = { fg = c.type }
  groups.CmpItemKindEnumMember   = { fg = c.constant }
  groups.CmpItemKindEvent        = { fg = c.special }
  groups.CmpItemKindField        = { fg = c.property }
  groups.CmpItemKindFile         = { fg = c.fg }
  groups.CmpItemKindFolder       = { fg = c.func }
  groups.CmpItemKindFunction     = { fg = c.func }
  groups.CmpItemKindInterface    = { fg = c.type }
  groups.CmpItemKindKeyword      = { fg = c.keyword }
  groups.CmpItemKindMethod       = { fg = c.func }
  groups.CmpItemKindModule       = { fg = c.namespace }
  groups.CmpItemKindOperator     = { fg = c.operator }
  groups.CmpItemKindProperty     = { fg = c.property }
  groups.CmpItemKindReference    = { fg = c.constant }
  groups.CmpItemKindSnippet      = { fg = c.special }
  groups.CmpItemKindStruct       = { fg = c.type }
  groups.CmpItemKindText         = { fg = c.fg }
  groups.CmpItemKindTypeParameter = { fg = c.type }
  groups.CmpItemKindUnit         = { fg = c.constant }
  groups.CmpItemKindValue        = { fg = c.constant }
  groups.CmpItemKindVariable     = { fg = c.variable }

  -- ============================================================
  -- Blink.cmp
  -- ============================================================
  groups.BlinkCmpMenu            = { fg = c.fg, bg = c.bg_popup }
  groups.BlinkCmpMenuBorder      = { fg = c.border_highlight, bg = c.bg_popup }
  groups.BlinkCmpMenuSelection   = { bg = c.bg_visual }
  groups.BlinkCmpLabel           = { fg = c.fg }
  groups.BlinkCmpLabelMatch      = { fg = c.accent, bold = true }
  groups.BlinkCmpKind            = { fg = c.func }

  -- ============================================================
  -- Trouble
  -- ============================================================
  groups.TroubleNormal    = { fg = c.fg, bg = c.bg_sidebar }
  groups.TroubleNormalNC  = { fg = c.fg_sidebar, bg = c.bg_sidebar }

  -- ============================================================
  -- Lazy
  -- ============================================================
  groups.LazyButton       = { fg = c.fg, bg = c.bg_popup }
  groups.LazyButtonActive = { fg = c.bg, bg = c.accent }
  groups.LazyH1           = { fg = c.bg, bg = c.accent, bold = true }
  groups.LazySpecial      = { fg = c.accent }
  groups.LazyProgressDone = { fg = c.accent }
  groups.LazyProgressTodo = { fg = c.fg_gutter }

  -- ============================================================
  -- Mason
  -- ============================================================
  groups.MasonNormal         = { fg = c.fg, bg = c.bg_float }
  groups.MasonHeader         = { fg = c.bg, bg = c.accent, bold = true }
  groups.MasonHighlight      = { fg = c.accent }
  groups.MasonHighlightBlock = { fg = c.bg, bg = c.accent }
  groups.MasonMutedBlock     = { fg = c.fg, bg = c.bg_popup }

  -- ============================================================
  -- Mini plugins
  -- ============================================================
  groups.MiniStatuslineFilename  = { fg = c.fg, bg = c.bg_statusline }
  groups.MiniStatuslineDevinfo   = { fg = c.fg_dark, bg = c.bg_highlight }
  groups.MiniStatuslineModeNormal  = { fg = c.bg, bg = c.accent, bold = true }
  groups.MiniStatuslineModeInsert  = { fg = c.bg, bg = c.hint, bold = true }
  groups.MiniStatuslineModeVisual  = { fg = c.bg, bg = c.special, bold = true }
  groups.MiniStatuslineModeReplace = { fg = c.bg, bg = c.error, bold = true }
  groups.MiniStatuslineModeCommand = { fg = c.bg, bg = c.warning, bold = true }

  groups.MiniIndentscopeSymbol   = { fg = c.accent }

  groups.MiniCursorword          = { bg = c.bg_visual }
  groups.MiniCursorwordCurrent   = { bg = c.bg_visual }

  -- ============================================================
  -- Bufferline
  -- ============================================================
  groups.BufferLineIndicatorSelected = { fg = c.accent }
  groups.BufferLineFill              = { bg = c.bg_dark }

  -- ============================================================
  -- Snacks
  -- ============================================================
  groups.SnacksDashboardHeader   = { fg = c.accent }
  groups.SnacksDashboardFooter   = { fg = c.comment, italic = true }
  groups.SnacksDashboardIcon     = { fg = c.func }
  groups.SnacksDashboardKey      = { fg = c.accent }
  groups.SnacksDashboardDesc     = { fg = c.fg }
  groups.SnacksNotifierInfo      = { fg = c.info }
  groups.SnacksNotifierWarn      = { fg = c.warning }
  groups.SnacksNotifierError     = { fg = c.error }

  return groups
end

return M