runtime/syntax/css.vim

" Vim syntax file
" Language:     Cascading Style Sheets
" Previous Contributor List:
"               Jules Wang      <w.jq0722@gmail.com>
"               Claudio Fleiner <claudio@fleiner.com>
"               Yeti            (Add full CSS2, HTML4 support)
"               Nikolai Weibull (Add CSS2 support)
" URL:          https://github.com/vim-language-dept/css-syntax.vim
" Maintainer:   Jay Sitter <jay@jaysitter.com>
" Last Change:  2024 Mar 2

" quit when a syntax file was already loaded
if !exists("main_syntax")
  if exists("b:current_syntax")
    finish
  endif
  let main_syntax = 'css'
elseif exists("b:current_syntax") && b:current_syntax == "css"
  finish
endif

let s:cpo_save = &cpo
set cpo&vim

syn case ignore
" Add dash to allowed keyword characters.
syn iskeyword @,48-57,_,192-255,-

" HTML4 tags
syn keyword cssTagName abbr address area a b base
syn keyword cssTagName bdo blockquote body br button
syn keyword cssTagName caption cite code col colgroup dd del
syn keyword cssTagName dfn div dl dt em fieldset form
syn keyword cssTagName h1 h2 h3 h4 h5 h6 head hr html img i
syn keyword cssTagName iframe input ins isindex kbd label legend li
syn keyword cssTagName link map menu meta noscript ol optgroup
syn keyword cssTagName option p param picture pre q s samp script small
syn keyword cssTagName span strong sub sup tbody td
syn keyword cssTagName textarea tfoot th thead title tr ul u var
syn keyword cssTagName object svg
syn match   cssTagName /\<select\>\|\<style\>\|\<table\>/

" 34 HTML5 tags
syn keyword cssTagName article aside audio bdi canvas command data
syn keyword cssTagName datalist details dialog embed figcaption figure footer
syn keyword cssTagName header hgroup keygen main mark menuitem meter nav
syn keyword cssTagName output progress rt rp ruby section
syn keyword cssTagName source summary time track video wbr

" Tags not supported in HTML5
" acronym applet basefont big center dir
" font frame frameset noframes strike tt

syn match cssTagName "\*"

" selectors
syn match cssSelectorOp "[,>+~]"
syn match cssSelectorOp2 "[~|^$*]\?=" contained
syn region cssAttributeSelector matchgroup=cssSelectorOp start="\[" end="]" contains=cssUnicodeEscape,cssSelectorOp2,cssStringQ,cssStringQQ

" .class and #id
syn match cssClassName "\.-\=[A-Za-z_][A-Za-z0-9_-]*" contains=cssClassNameDot
syn match cssClassNameDot contained '\.'

try
syn match cssIdentifier "#[A-Za-zÀ-ÿ_@][A-Za-zÀ-ÿ0-9_@-]*"
catch /^.*/
syn match cssIdentifier "#[A-Za-z_@][A-Za-z0-9_@-]*"
endtry

" digits
syn match cssValueInteger contained "[-+]\=\d\+" contains=cssUnitDecorators
syn match cssValueNumber contained "[-+]\=\d\+\(\.\d*\)\=" contains=cssUnitDecorators
syn match cssValueLength contained "[-+]\=\d\+\(\.\d*\)\=\(mm\|cm\|in\|pt\|pc\|em\|ex\|px\|rem\|dpi\|dppx\|dpcm\|fr\|vw\|vh\|vmin\|vmax\|ch\)\>" contains=cssUnitDecorators
syn match cssValueLength contained "[-+]\=\d\+\(\.\d*\)\=%" contains=cssUnitDecorators
syn match cssValueAngle contained "[-+]\=\d\+\(\.\d*\)\=\(deg\|grad\|rad\)\>" contains=cssUnitDecorators
syn match cssValueTime contained "+\=\d\+\(\.\d*\)\=\(ms\|s\)\>" contains=cssUnitDecorators
syn match cssValueFrequency contained "+\=\d\+\(\.\d*\)\=\(Hz\|kHz\)\>" contains=cssUnitDecorators

" The 16 basic color names
syn keyword cssColor contained aqua black blue fuchsia gray green lime maroon navy olive purple red silver teal yellow

" 130 more color names
syn keyword cssColor contained aliceblue antiquewhite aquamarine azure
syn keyword cssColor contained beige bisque blanchedalmond blueviolet brown burlywood
syn keyword cssColor contained cadetblue chartreuse chocolate coral cornflowerblue cornsilk crimson cyan
syn match cssColor contained /\<dark\(blue\|cyan\|goldenrod\|gray\|green\|grey\|khaki\)\>/
syn match cssColor contained /\<dark\(magenta\|olivegreen\|orange\|orchid\|red\|salmon\|seagreen\)\>/
syn match cssColor contained /\<darkslate\(blue\|gray\|grey\)\>/
syn match cssColor contained /\<dark\(turquoise\|violet\)\>/
syn keyword cssColor contained deeppink deepskyblue dimgray dimgrey dodgerblue firebrick
syn keyword cssColor contained floralwhite forestgreen gainsboro ghostwhite gold
syn keyword cssColor contained goldenrod greenyellow grey honeydew hotpink
syn keyword cssColor contained indianred indigo ivory khaki lavender lavenderblush lawngreen
syn keyword cssColor contained lemonchiffon limegreen linen magenta
syn match cssColor contained /\<light\(blue\|coral\|cyan\|goldenrodyellow\|gray\|green\)\>/
syn match cssColor contained /\<light\(grey\|pink\|salmon\|seagreen\|skyblue\|yellow\)\>/
syn match cssColor contained /\<light\(slategray\|slategrey\|steelblue\)\>/
syn match cssColor contained /\<medium\(aquamarine\|blue\|orchid\|purple\|seagreen\)\>/
syn match cssColor contained /\<medium\(slateblue\|springgreen\|turquoise\|violetred\)\>/
syn keyword cssColor contained midnightblue mintcream mistyrose moccasin navajowhite
syn keyword cssColor contained oldlace olivedrab orange orangered orchid
syn match cssColor contained /\<pale\(goldenrod\|green\|turquoise\|violetred\)\>/
syn keyword cssColor contained papayawhip peachpuff peru pink plum powderblue
syn keyword cssColor contained rosybrown royalblue rebeccapurple saddlebrown salmon
syn keyword cssColor contained sandybrown seagreen seashell sienna skyblue slateblue
syn keyword cssColor contained slategray slategrey snow springgreen steelblue tan
syn keyword cssColor contained thistle tomato turquoise violet wheat
syn keyword cssColor contained whitesmoke yellowgreen

" FIXME: These are actually case-insensitive too, but (a) specs recommend using
" mixed-case (b) it's hard to highlight the word `Background' correctly in
" all situations
syn case match
syn keyword cssColor contained ActiveBorder ActiveCaption AppWorkspace ButtonFace ButtonHighlight ButtonShadow ButtonText CaptionText GrayText Highlight HighlightText InactiveBorder InactiveCaption InactiveCaptionText InfoBackground InfoText Menu MenuText Scrollbar ThreeDDarkShadow ThreeDFace ThreeDHighlight ThreeDLightShadow ThreeDShadow Window WindowFrame WindowText Background
syn case ignore

syn match cssImportant contained "!\s*important\>"
syn match cssCustomProp contained "\<--[a-zA-Z0-9-_]*\>"

syn match cssColor contained "\<transparent\>"
syn match cssColor contained "\<currentColor\>"
syn match cssColor contained "\<white\>"
syn match cssColor contained "#\x\{3,4\}\>" contains=cssUnitDecorators
syn match cssColor contained "#\x\{6\}\>" contains=cssUnitDecorators
syn match cssColor contained "#\x\{8\}\>" contains=cssUnitDecorators

syn region cssURL contained matchgroup=cssFunctionName start="\<\(uri\|url\|local\|format\)\s*(" end=")" contains=cssStringQ,cssStringQQ oneline
syn region cssMathGroup contained matchgroup=cssMathParens start="(" end=")" containedin=cssFunction,cssMathGroup contains=cssCustomProp,cssValue.*,cssFunction,cssColor,cssStringQ,cssStringQQ oneline
syn region cssFunction contained matchgroup=cssFunctionName start="\<\(var\|calc\)\s*(" end=")" contains=cssCustomProp,cssValue.*,cssFunction,cssURL,cssColor,cssStringQ,cssStringQQ oneline
syn region cssFunction contained matchgroup=cssFunctionName start="\<\(rgb\|clip\|attr\|counter\|rect\|cubic-bezier\|steps\)\s*(" end=")" oneline  contains=cssValueInteger,cssValueNumber,cssValueLength,cssFunctionComma
syn region cssFunction contained matchgroup=cssFunctionName start="\<\(rgba\|hsl\|hsla\|color-stop\|from\|to\)\s*(" end=")" oneline  contains=cssColor,cssValueInteger,cssValueNumber,cssValueLength,cssFunctionComma,cssFunction
syn region cssFunction contained matchgroup=cssFunctionName start="\<\(linear-\|radial-\|conic-\)\=\gradient\s*(" end=")" oneline  contains=cssColor,cssValueInteger,cssValueNumber,cssValueLength,cssFunction,cssGradientAttr,cssFunctionComma
syn region cssFunction contained matchgroup=cssFunctionName start="\<\(matrix\(3d\)\=\|scale\(3d\|X\|Y\|Z\)\=\|translate\(3d\|X\|Y\|Z\)\=\|skew\(X\|Y\)\=\|rotate\(3d\|X\|Y\|Z\)\=\|perspective\)\s*(" end=")" oneline contains=cssValueInteger,cssValueNumber,cssValueLength,cssValueAngle,cssFunctionComma
syn region cssFunction contained matchgroup=cssFunctionName start="\<\(blur\|brightness\|contrast\|drop-shadow\|grayscale\|hue-rotate\|invert\|opacity\|saturate\|sepia\)\s*(" end=")" oneline contains=cssValueInteger,cssValueNumber,cssValueLength,cssValueAngle,cssFunctionComma
syn keyword cssGradientAttr contained top bottom left right cover center middle ellipse at
syn match cssFunctionComma contained ","

" Common Prop and Attr
syn keyword cssCommonAttr contained auto none inherit all default normal
syn keyword cssCommonAttr contained top bottom center stretch hidden visible
syn match cssCommonAttr contained "\<\(max-\|min-\|fit-\)content\>"
"------------------------------------------------
" CSS Animations
" http://www.w3.org/TR/css3-animations/
syn match cssAnimationProp contained "\<animation\(-\(delay\|direction\|duration\|fill-mode\|name\|play-state\|timing-function\|iteration-count\)\)\=\>"

" animation-direction attributes
syn keyword cssAnimationAttr contained alternate reverse
syn match cssAnimationAttr contained "\<alternate-reverse\>"

" animation-fill-mode attributes
syn keyword cssAnimationAttr contained forwards backwards both

" animation-play-state attributes
syn keyword cssAnimationAttr contained running paused

" animation-iteration-count attributes
syn keyword cssAnimationAttr contained infinite
"------------------------------------------------
"  CSS Backgrounds and Borders Module Level 3
"  http://www.w3.org/TR/css3-background/
syn match cssBackgroundProp contained "\<background\(-\(attachment\|clip\|color\|image\|origin\|position\|repeat\|size\)\)\=\>"
" background-attachment attributes
syn keyword cssBackgroundAttr contained scroll fixed local

" background-position attributes
syn keyword cssBackgroundAttr contained left center right top bottom

" background-repeat attributes
syn match cssBackgroundAttr contained "\<no-repeat\>"
syn match cssBackgroundAttr contained "\<repeat\(-[xy]\)\=\>"

" background-size attributes
syn keyword cssBackgroundAttr contained cover contain

syn match cssBorderProp contained "\<border\(-\(top\|right\|bottom\|left\)\)\=\(-\(width\|color\|style\)\)\=\>"
syn match cssBorderProp contained "\<border\(-\(top\|bottom\)-\(left\|right\)\)\=-radius\>"
syn match cssBorderProp contained "\<border-\(inline\|block\)\(-\(start\|end\)\)\=\(-\(style\|width\|color\)\)\=\>"
syn match cssBorderProp contained "\<border-\(start\|end\)-\(start\|end\)-radius\>"
syn match cssBorderProp contained "\<border-image\(-\(outset\|repeat\|slice\|source\|width\)\)\=\>"
syn match cssBorderProp contained "\<box-decoration-break\>"
syn match cssBorderProp contained "\<box-shadow\>"

" border-image attributes
syn keyword cssBorderAttr contained stretch round fill

" border-style attributes
syn keyword cssBorderAttr contained dotted dashed solid double groove ridge inset outset

" border-width attributes
syn keyword cssBorderAttr contained thin thick medium

" box-decoration-break attributes
syn keyword cssBorderAttr contained clone slice
"------------------------------------------------

syn match cssBoxProp contained "\<padding\(-\(top\|right\|bottom\|left\)\)\=\>"
syn match cssBoxProp contained "\<margin\(-\(top\|right\|bottom\|left\)\)\=\>"
syn match cssBoxProp contained "\<\(margin\|padding\)\(-\(inline\|block\)\(-\(start\|end\)\)\)\=\>"
syn match cssBoxProp contained "\<overflow\(-\(x\|y\|style\)\)\=\>"
syn match cssBoxProp contained "\<rotation\(-point\)\=\>"
syn keyword cssBoxAttr contained visible hidden scroll auto
syn match cssBoxAttr contained "\<no-\(display\|content\)\>"

syn keyword cssCascadeProp contained all
syn keyword cssCascadeAttr contained initial unset revert

syn keyword cssColorProp contained opacity
syn match cssColorProp contained "\<color-profile\>"
syn match cssColorProp contained "\<rendering-intent\>"


syn match cssDimensionProp contained "\<\(min\|max\)-\(width\|height\)\>"
syn keyword cssDimensionProp contained height
syn keyword cssDimensionProp contained width

" CSS Flexible Box Layout Module Level 1
" http://www.w3.org/TR/css3-flexbox/
" CSS Box Alignment Module Level 3
" http://www.w3.org/TR/css-align-3/
syn match cssFlexibleBoxProp contained "\<flex\(-\(direction\|wrap\|flow\|grow\|shrink\|basis\)\)\=\>"
syn match cssFlexibleBoxProp contained "\<\(align\|justify\)\(-\(items\|self\|content\)\)\=\>"
syn keyword cssFlexibleBoxProp contained order

syn match cssFlexibleBoxAttr contained "\<\(row\|column\|wrap\)\(-reverse\)\=\>"
syn keyword cssFlexibleBoxAttr contained nowrap stretch baseline center
syn match cssFlexibleBoxAttr contained "\<flex\(-\(start\|end\)\)\=\>"
syn match cssFlexibleBoxAttr contained "\<space\(-\(between\|around\|evenly\)\)\=\>"

" CSS Fonts Module Level 3
" http://www.w3.org/TR/css-fonts-3/
syn match cssFontProp contained "\<font\(-\(display\|family\|feature-settings\|kerning\|language-override\|size\(-adjust\)\=\|stretch\|style\|synthesis\|variant\(-\(alternates\|caps\|east-asian\|ligatures\|numeric\|position\)\)\=\|weight\)\)\=\>"

" font attributes
syn keyword cssFontAttr contained icon menu caption
syn match cssFontAttr contained "\<message-box\>"
syn match cssFontAttr contained "\<status-bar\>"
syn keyword cssFontAttr contained larger smaller
syn match cssFontAttr contained "\<\(x\{1,2\}-\)\=\(large\|small\)\>"
syn match cssFontAttr contained "\<small-\(caps\|caption\)\>"
" font-family attributes
syn keyword cssFontAttr contained sans-serif serif cursive fantasy monospace
" font-feature-settings attributes
syn keyword cssFontAttr contained on off
" font-stretch attributes
syn match cssFontAttr contained "\<\(\(ultra\|extra\|semi\)-\)\=\(condensed\|expanded\)\>"
" font-style attributes
syn keyword cssFontAttr contained italic oblique
" font-synthesis attributes
syn keyword cssFontAttr contained weight style
" font-weight attributes
syn keyword cssFontAttr contained bold bolder lighter
" font-display attributes
syn keyword cssFontAttr contained auto block swap fallback optional
" TODO: font-variant-* attributes
"------------------------------------------------

" Webkit specific property/attributes
syn match cssFontProp contained "\<font-smooth\>"
syn match cssFontAttr contained "\<\(subpixel-\)\=\antialiased\>"


" CSS Multi-column Layout Module
" http://www.w3.org/TR/css3-multicol/
syn match cssMultiColumnProp contained "\<break-\(after\|before\|inside\)\>"
syn match cssMultiColumnProp contained "\<column-\(count\|fill\|gap\|rule\(-\(color\|style\|width\)\)\=\|span\|width\)\>"
syn keyword cssMultiColumnProp contained columns
syn keyword cssMultiColumnAttr contained balance medium
syn keyword cssMultiColumnAttr contained always left right page column
syn match cssMultiColumnAttr contained "\<avoid\(-\(page\|column\)\)\=\>"

" http://www.w3.org/TR/css3-break/#page-break
syn match cssMultiColumnProp contained "\<page\(-break-\(before\|after\|inside\)\)\=\>"

" http://www.w3.org/TR/SVG11/interact.html
syn match cssInteractProp contained "\<pointer-events\>"
syn match cssInteractAttr contained "\<\(visible\)\=\(Painted\|Fill\|Stroke\)\=\>"

" TODO find following items in w3c docs.
syn keyword cssGeneratedContentProp contained quotes crop
syn match cssGeneratedContentProp contained "\<counter-\(reset\|increment\)\>"
syn match cssGeneratedContentProp contained "\<move-to\>"
syn match cssGeneratedContentProp contained "\<page-policy\>"
syn match cssGeneratedContentAttr contained "\<\(no-\)\=\(open\|close\)-quote\>"

" https://www.w3.org/TR/css-grid-1/
syn match cssGridProp contained "\<grid\>"
syn match cssGridProp contained "\<grid-template\(-\(columns\|rows\|areas\)\)\=\>"
syn match cssGridProp contained "\<\(grid-\)\=\(column\|row\)\(-\(start\|end\|gap\)\)\=\>"
syn match cssGridProp contained "\<grid-\(area\|gap\)\>"
syn match cssGridProp contained "\<gap\>"
syn match cssGridProp contained "\<grid-auto-\(flow\|rows\|columns\)\>"

syn match cssHyerlinkProp contained "\<target\(-\(name\|new\|position\)\)\=\>"

syn match cssListProp contained "\<list-style\(-\(type\|position\|image\)\)\=\>"
syn match cssListAttr contained "\<\(lower\|upper\)-\(roman\|alpha\|greek\|latin\)\>"
syn match cssListAttr contained "\<\(hiragana\|katakana\)\(-iroha\)\=\>"
syn match cssListAttr contained "\<\(decimal\(-leading-zero\)\=\|cjk-ideographic\)\>"
syn keyword cssListAttr contained disc circle square hebrew armenian georgian
syn keyword cssListAttr contained inside outside

" object-fit https://www.w3.org/TR/css-images-3/#the-object-fit
syn match cssObjectProp contained "\<object-\(fit\|position\)\>"
syn keyword cssObjectAttr contained fill contain cover scale-down

syn keyword cssPositioningProp contained bottom clear clip display float left
syn keyword cssPositioningProp contained position right top visibility
syn match cssPositioningProp contained "\<z-index\>"
syn keyword cssPositioningAttr contained block compact grid
syn match cssPositioningAttr contained "\<table\(-\(row-group\|\(header\|footer\)-group\|row\|column\(-group\)\=\|cell\|caption\)\)\=\>"
syn keyword cssPositioningAttr contained left right both
syn match cssPositioningAttr contained "\<list-item\>"
syn match cssPositioningAttr contained "\<inline\(-\(block\|box\|table\|grid\|flex\)\)\=\>"
syn match cssPositioningAttr contained "\<flow\(-root\)\=\>"
syn keyword cssPositioningAttr contained static relative absolute fixed subgrid sticky

syn keyword cssPrintAttr contained landscape portrait crop cross always

syn match cssTableProp contained "\<\(caption-side\|table-layout\|border-collapse\|border-spacing\|empty-cells\)\>"
syn keyword cssTableAttr contained fixed collapse separate show hide once always


syn keyword cssTextProp contained color direction hyphens
syn match cssTextProp "\<\(\(word\|letter\)-spacing\|text\(-\(decoration\|transform\|align\|index\|shadow\)\)\=\|vertical-align\|unicode-bidi\|line-height\)\>"
syn match cssTextProp contained "\<text-\(justify\|outline\|warp\|align-last\|size-adjust\|rendering\|stroke\|indent\)\>"
syn match cssTextProp contained "\<\(word\|line\)-break\|\(overflow\|word\)-wrap\>"
syn match cssTextProp contained "\<white-space\>"
syn match cssTextProp contained "\<hanging-punctuation\>"
syn match cssTextProp contained "\<tab-size\>"
syn match cssTextProp contained "\<punctuation-trim\>"
syn match cssTextAttr contained "\<line-through\>"
syn match cssTextAttr contained "\<\(text-\)\=\(top\|bottom\)\>"
syn keyword cssTextAttr contained ltr rtl embed nowrap
syn keyword cssTextAttr contained underline overline blink sub super middle
syn keyword cssTextAttr contained capitalize uppercase lowercase
syn keyword cssTextAttr contained justify baseline sub super
syn keyword cssTextAttr contained optimizeLegibility optimizeSpeed geometricPrecision
syn match cssTextAttr contained "\<pre\(-\(line\|wrap\)\)\=\>"
syn match cssTextAttr contained "\<\(allow\|force\)-end\>"
syn keyword cssTextAttr contained start end adjacent
syn match cssTextAttr contained "\<inter-\(word\|ideographic\|cluster\)\>"
syn keyword cssTextAttr contained distribute kashida first last
syn keyword cssTextAttr contained clip ellipsis unrestricted suppress
syn match cssTextAttr contained "\<break-all\>"
syn match cssTextAttr contained "\<break-word\>"
syn keyword cssTextAttr contained manual
syn match cssTextAttr contained "\<bidi-override\>"

syn match cssTransformProp contained "\<transform\(-\(origin\|style\)\)\=\>"
syn match cssTransformProp contained "\<perspective\(-origin\)\=\>"
syn match cssTransformProp contained "\<backface-visibility\>"

" CSS Transitions
" http://www.w3.org/TR/css3-transitions/
syn match cssTransitionProp contained "\<transition\(-\(delay\|duration\|property\|timing-function\)\)\=\>"

" transition-time-function attributes
syn match cssTransitionAttr contained "\<linear\(-gradient\)\@!\>"
syn match cssTransitionAttr contained "\<ease\(-\(in-out\|out\|in\)\)\=\>"
syn match cssTransitionAttr contained "\<step\(-start\|-end\)\=\>"
"------------------------------------------------
" CSS Basic User Interface Module Level 3 (CSS3 UI)
" http://www.w3.org/TR/css3-ui/
syn match cssUIProp contained "\<box-sizing\>"
syn match cssUIAttr contained "\<\(content\|padding\|border\)\(-box\)\=\>"

syn keyword cssUIProp contained cursor
syn match cssUIAttr contained "\<\(\([ns]\=[ew]\=\)\|col\|row\|nesw\|nwse\)-resize\>"
syn keyword cssUIAttr contained crosshair help move pointer alias copy
syn keyword cssUIAttr contained progress wait text cell move
syn match cssUIAttr contained "\<context-menu\>"
syn match cssUIAttr contained "\<no-drop\>"
syn match cssUIAttr contained "\<not-allowed\>"
syn match cssUIAttr contained "\<all-scroll\>"
syn match cssUIAttr contained "\<\(vertical-\)\=text\>"
syn match cssUIAttr contained "\<zoom\(-in\|-out\)\=\>"

syn match cssUIProp contained "\<ime-mode\>"
syn keyword cssUIAttr contained active inactive disabled

syn match cssUIProp contained "\<nav-\(down\|index\|left\|right\|up\)\=\>"
syn match cssUIProp contained "\<outline\(-\(width\|style\|color\|offset\)\)\=\>"
syn keyword cssUIAttr contained invert

syn keyword cssUIProp contained icon resize
syn keyword cssUIAttr contained both horizontal vertical

syn match cssUIProp contained "\<text-overflow\>"
syn keyword cssUIAttr contained clip ellipsis

syn match cssUIProp contained "\<image-rendering\>"
syn keyword cssUIAttr contained pixellated
syn match cssUIAttr contained "\<crisp-edges\>"

"------------------------------------------------
" Webkit/iOS specific attributes
syn match cssUIAttr contained '\<preserve-3d\>'
" IE specific attributes
syn match cssIEUIAttr contained '\<bicubic\>'

" Webkit/iOS specific properties
syn match cssUIProp contained '\<\(tap-highlight-color\|user-select\|touch-callout\)\>'
" IE specific properties
syn match cssIEUIProp contained '\<\(interpolation-mode\|zoom\|filter\)\>'

" Webkit/Firebox specific properties/attributes
syn keyword cssUIProp contained appearance
syn keyword cssUIAttr contained window button field icon document menu


syn match cssAuralProp contained "\<\(pause\|cue\)\(-\(before\|after\)\)\=\>"
syn match cssAuralProp contained "\<\(play-during\|speech-rate\|voice-family\|pitch\(-range\)\=\|speak\(-\(punctuation\|numeral\|header\)\)\=\)\>"
syn keyword cssAuralProp contained volume during azimuth elevation stress richness
syn match cssAuralAttr contained "\<\(x-\)\=\(soft\|loud\)\>"
syn keyword cssAuralAttr contained silent
syn match cssAuralAttr contained "\<spell-out\>"
syn keyword cssAuralAttr contained non mix
syn match cssAuralAttr contained "\<\(left\|right\)-side\>"
syn match cssAuralAttr contained "\<\(far\|center\)-\(left\|center\|right\)\>"
syn keyword cssAuralAttr contained leftwards rightwards behind
syn keyword cssAuralAttr contained below level above lower higher
syn match cssAuralAttr contained "\<\(x-\)\=\(slow\|fast\|low\|high\)\>"
syn keyword cssAuralAttr contained faster slower
syn keyword cssAuralAttr contained male female child code digits continuous

" mobile text
syn match cssMobileTextProp contained "\<text-size-adjust\>"

syn keyword cssMediaProp contained width height orientation scan
syn keyword cssMediaProp contained any-hover any-pointer color-gamut grid hover
syn keyword cssMediaProp contained overflow-block overflow-inline pointer update
syn match cssMediaProp contained /\<\(\(max\|min\)-\)\=\(\(device\)-\)\=aspect-ratio\>/
syn match cssMediaProp contained /\<\(\(max\|min\)-\)\=device-pixel-ratio\>/
syn match cssMediaProp contained /\<\(\(max\|min\)-\)\=device-\(height\|width\)\>/
syn match cssMediaProp contained /\<\(\(max\|min\)-\)\=\(height\|width\|resolution\|monochrome\|color\(-index\)\=\)\>/
syn keyword cssMediaAttr contained portrait landscape progressive interlace
syn keyword cssMediaAttr contained coarse fast fine hover infinite p3 paged
syn keyword cssMediaAttr contained rec2020 scroll slow srgb
syn match cssKeyFrameProp contained /\(\d\+\(\.\d\+\)\?%\|\(\<from\|to\>\)\)/ nextgroup=cssDefinition
syn match cssPageMarginProp /@\(\(top\|left\|right\|bottom\)-\(left\|center\|right\|middle\|bottom\)\)\(-corner\)\=/ contained nextgroup=cssDefinition
syn keyword cssPageProp contained content size
syn keyword cssPageProp contained orphans widows
syn keyword cssFontDescriptorProp contained src
syn match cssFontDescriptorProp contained "\<unicode-range\>"
" unicode-range attributes
syn match cssFontDescriptorAttr contained "U+[0-9A-Fa-f?]\+"
syn match cssFontDescriptorAttr contained "U+\x\+-\x\+"

syn match cssBraces contained "[{}]"
syn match cssError contained "{@<>"
syn region cssDefinition transparent matchgroup=cssBraces start='{' end='}' contains=cssTagName,cssAttributeSelector,cssClassName,cssIdentifier,cssAtRule,cssAttrRegion,css.*Prop,cssComment,cssValue.*,cssColor,cssURL,cssImportant,cssCustomProp,cssError,cssStringQ,cssStringQQ,cssFunction,cssUnicodeEscape,cssVendor,cssDefinition,cssHacks,cssNoise fold
syn match cssBraceError "}"
syn match cssAttrComma ","

" Pseudo class
" https://www.w3.org/TR/selectors-4/
syn match cssPseudoClass ":[A-Za-z0-9_-]*" contains=cssNoise,cssPseudoClassId,cssUnicodeEscape,cssVendor,cssPseudoClassFn
syn keyword cssPseudoClassId contained link visited active hover before after left right
syn keyword cssPseudoClassId contained root empty target enabled disabled checked invalid
syn match cssPseudoClassId contained "\<first-\(line\|letter\)\>"
syn match cssPseudoClassId contained "\<\(first\|last\|only\)-\(of-type\|child\)\>"
syn match cssPseudoClassId contained  "\<focus\(-within\|-visible\)\=\>"
syn region cssPseudoClassFn contained matchgroup=cssFunctionName start="\<\(not\|is\|lang\|\(nth\|nth-last\)-\(of-type\|child\)\)(" end=")" contains=cssStringQ,cssStringQQ,cssTagName,cssAttributeSelector,cssClassName,cssIdentifier
" ------------------------------------
" Vendor specific properties
syn match cssPseudoClassId contained  "\<selection\>"
syn match cssPseudoClassId contained  "\<\(input-\)\=placeholder\>"

" Misc highlight groups
syntax match cssUnitDecorators /\(#\|-\|+\|%\|mm\|cm\|in\|pt\|pc\|em\|ex\|px\|ch\|rem\|vh\|vw\|vmin\|vmax\|dpi\|dppx\|dpcm\|Hz\|kHz\|s\|ms\|deg\|grad\|rad\)/ contained
syntax match cssNoise contained /\(:\|;\|\/\)/

" Comment
syn region cssComment start="/\*" end="\*/" contains=@Spell fold

syn match cssUnicodeEscape "\\\x\{1,6}\s\?"
syn match cssSpecialCharQQ +\\\\\|\\"+ contained
syn match cssSpecialCharQ +\\\\\|\\'+ contained
syn region cssStringQQ start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=cssUnicodeEscape,cssSpecialCharQQ
syn region cssStringQ start=+'+ skip=+\\\\\|\\'+ end=+'+ contains=cssUnicodeEscape,cssSpecialCharQ

" Vendor Prefix
syn match cssVendor contained "-\(webkit\|moz\|o\|ms\)-"

" Various CSS Hack characters
" In earlier versions of IE (6 and 7), one can prefix property names
" with a _ or * to isolate those definitions to particular versions of IE
" This is purely decorative and therefore we assign to the same highlight
" group to cssVendor, for more information:
" http://www.paulirish.com/2009/browser-specific-css-hacks/
syn match cssHacks contained /\(_\|*\)/

" Attr Enhance
" Some keywords are both Prop and Attr, so we have to handle them
" cssPseudoClassId is hidden by cssAttrRegion, so we add it here. see #69
syn region cssAttrRegion start=/:/ end=/\ze\(;\|)\|}\|{\)/ contained contains=cssPseudoClassId,css.*Attr,cssColor,cssImportant,cssValue.*,cssFunction,cssString.*,cssURL,cssComment,cssUnicodeEscape,cssVendor,cssError,cssAttrComma,cssNoise

" Hack for transition
" 'transition' has Props after ':'.
syn region cssAttrRegion start=/transition\s*:/ end=/\ze\(;\|)\|}\)/ contained contains=css.*Prop,css.*Attr,cssColor,cssImportant,cssValue.*,cssFunction,cssString.*,cssURL,cssComment,cssUnicodeEscape,cssVendor,cssError,cssAttrComma,cssNoise

syn match cssAtKeyword /@\(font-face\|media\|keyframes\|import\|charset\|namespace\|page\|supports\)/

syn keyword cssAtRuleLogical only not and contained

" @media
" Reference: http://www.w3.org/TR/css3-mediaqueries/
syn region cssAtRule start=/@media\>/ end=/\ze{/ skipwhite skipnl matchgroup=cssAtKeyword contains=cssMediaProp,cssValueLength,cssAtRuleLogical,cssValueInteger,cssMediaAttr,cssVendor,cssMediaType,cssComment,cssCustomProp,cssFunctionName nextgroup=cssDefinition
syn keyword cssMediaType contained screen print aural braille embossed handheld projection tty tv speech all contained

" @page
" http://www.w3.org/TR/css3-page/
syn region cssAtRule start=/@page\>/ end=/\ze{/ skipwhite skipnl matchgroup=cssAtKeyword contains=cssPagePseudo,cssComment nextgroup=cssDefinition
syn match cssPagePseudo /:\(left\|right\|first\|blank\)/ contained skipwhite skipnl
" @keyframe
" http://www.w3.org/TR/css3-animations/#keyframes
syn region cssAtRule start=/@\(-[a-z]\+-\)\=keyframes\>/ end=/\ze{/ skipwhite skipnl matchgroup=cssAtKeyword contains=cssVendor,cssComment nextgroup=cssDefinition

syn region cssAtRule start=/@import\>/    end=/\ze;/ contains=cssStringQ,cssStringQQ,cssUnicodeEscape,cssComment,cssAtKeyword,cssURL,cssMediaProp,cssValueLength,cssAtRuleLogical,cssValueInteger,cssMediaAttr,cssMediaType
syn region cssAtRule start=/@charset\>/   end=/\ze;/ contains=cssStringQ,cssStringQQ,cssUnicodeEscape,cssComment,cssAtKeyword
syn region cssAtRule start=/@namespace\>/ end=/\ze;/ contains=cssStringQ,cssStringQQ,cssUnicodeEscape,cssComment,cssAtKeyword

" @supports
" https://www.w3.org/TR/css3-conditional/#at-supports
syn region cssAtRule start=/@supports\>/ end=/\ze{/ skipwhite skipnl contains=cssAtRuleLogical,cssAttrRegion,css.*Prop,cssValue.*,cssVendor,cssAtKeyword,cssComment nextgroup=cssDefinition


if main_syntax == "css"
  syn sync minlines=10
endif

" Define the default highlighting.
" Only when an item doesn't have highlighting yet

hi def link cssComment Comment
hi def link cssVendor Comment
hi def link cssHacks Comment
hi def link cssTagName Statement
hi def link cssDeprecated Error
hi def link cssSelectorOp Special
hi def link cssSelectorOp2 Special
hi def link cssAttrComma Special

hi def link cssAnimationProp cssProp
hi def link cssBackgroundProp cssProp
hi def link cssBorderProp cssProp
hi def link cssBoxProp cssProp
hi def link cssCascadeProp cssProp
hi def link cssColorProp cssProp
hi def link cssContentForPagedMediaProp cssProp
hi def link cssDimensionProp cssProp
hi def link cssFlexibleBoxProp cssProp
hi def link cssFontProp cssProp
hi def link cssGeneratedContentProp cssProp
hi def link cssGridProp cssProp
hi def link cssHyerlinkProp cssProp
hi def link cssInteractProp cssProp
hi def link cssLineboxProp cssProp
hi def link cssListProp cssProp
hi def link cssMarqueeProp cssProp
hi def link cssMultiColumnProp cssProp
hi def link cssPagedMediaProp cssProp
hi def link cssPositioningProp cssProp
hi def link cssObjectProp cssProp
hi def link cssPrintProp cssProp
hi def link cssRubyProp cssProp
hi def link cssSpeechProp cssProp
hi def link cssTableProp cssProp
hi def link cssTextProp cssProp
hi def link cssTransformProp cssProp
hi def link cssTransitionProp cssProp
hi def link cssUIProp cssProp
hi def link cssIEUIProp cssProp
hi def link cssAuralProp cssProp
hi def link cssRenderProp cssProp
hi def link cssMobileTextProp cssProp

hi def link cssAnimationAttr cssAttr
hi def link cssBackgroundAttr cssAttr
hi def link cssBorderAttr cssAttr
hi def link cssBoxAttr cssAttr
hi def link cssContentForPagedMediaAttr cssAttr
hi def link cssDimensionAttr cssAttr
hi def link cssFlexibleBoxAttr cssAttr
hi def link cssFontAttr cssAttr
hi def link cssGeneratedContentAttr cssAttr
hi def link cssGridAttr cssAttr
hi def link cssHyerlinkAttr cssAttr
hi def link cssInteractAttr cssAttr
hi def link cssLineboxAttr cssAttr
hi def link cssListAttr cssAttr
hi def link cssMarginAttr cssAttr
hi def link cssMarqueeAttr cssAttr
hi def link cssMultiColumnAttr cssAttr
hi def link cssPaddingAttr cssAttr
hi def link cssPagedMediaAttr cssAttr
hi def link cssPositioningAttr cssAttr
hi def link cssObjectAttr cssAttr
hi def link cssGradientAttr cssAttr
hi def link cssPrintAttr cssAttr
hi def link cssRubyAttr cssAttr
hi def link cssSpeechAttr cssAttr
hi def link cssTableAttr cssAttr
hi def link cssTextAttr cssAttr
hi def link cssTransformAttr cssAttr
hi def link cssTransitionAttr cssAttr
hi def link cssUIAttr cssAttr
hi def link cssIEUIAttr cssAttr
hi def link cssAuralAttr cssAttr
hi def link cssRenderAttr cssAttr
hi def link cssCascadeAttr cssAttr
hi def link cssCommonAttr cssAttr

hi def link cssPseudoClassId PreProc
hi def link cssPseudoClassLang Constant
hi def link cssValueLength Number
hi def link cssValueInteger Number
hi def link cssValueNumber Number
hi def link cssValueAngle Number
hi def link cssValueTime Number
hi def link cssValueFrequency Number
hi def link cssFunction Constant
hi def link cssURL String
hi def link cssFunctionName Function
hi def link cssFunctionComma Function
hi def link cssColor Constant
hi def link cssIdentifier Function
hi def link cssAtRule Include
hi def link cssAtKeyword PreProc
hi def link cssImportant Special
hi def link cssCustomProp Special
hi def link cssBraces Function
hi def link cssBraceError Error
hi def link cssError Error
hi def link cssUnicodeEscape Special
hi def link cssStringQQ String
hi def link cssStringQ String
hi def link cssAttributeSelector String
hi def link cssMediaType Special
hi def link cssMediaComma Normal
hi def link cssAtRuleLogical Statement
hi def link cssMediaProp cssProp
hi def link cssMediaAttr cssAttr
hi def link cssPagePseudo PreProc
hi def link cssPageMarginProp cssAtKeyword
hi def link cssPageProp cssProp
hi def link cssKeyFrameProp Constant
hi def link cssFontDescriptor Special
hi def link cssFontDescriptorProp cssProp
hi def link cssFontDescriptorAttr cssAttr
hi def link cssUnicodeRange Constant
hi def link cssClassName Function
hi def link cssClassNameDot Function
hi def link cssProp StorageClass
hi def link cssAttr Constant
hi def link cssUnitDecorators Number
hi def link cssNoise Noise

let b:current_syntax = "css"

if main_syntax == 'css'
  unlet main_syntax
endif

let &cpo = s:cpo_save
unlet s:cpo_save

" vim: ts=8