/*
Language: CSS
*/

hljs.LANGUAGES['css'] = function(hljs) {
  var FUNCTION = {
    className: 'function',
    begin: hljs.IDENT_RE + '\\(', end: '\\)',
    contains: [hljs.NUMBER_MODE, hljs.APOS_STRING_MODE, hljs.QUOTE_STRING_MODE]
  };
  return {
    case_insensitive: true,
    defaultMode: {
      illegal: '[=/|\']',
      contains: [
        hljs.C_BLOCK_COMMENT_MODE,
        {
          className: 'id', begin: '\\#[A-Za-z0-9_-]+'
        },
        {
          className: 'class', begin: '\\.[A-Za-z0-9_-]+',
          relevance: 0
        },
        {
          className: 'attr_selector',
          begin: '\\[', end: '\\]',
          illegal: '$'
        },
        {
          className: 'pseudo',
          begin: ':(:)?[a-zA-Z0-9\\_\\-\\+\\(\\)\\"\\\']+'
        },
        {
          className: 'at_rule',
          begin: '@(font-face|page)',
          lexems: '[a-z-]+',
          keywords: 'font-face page'
        },
        {
          className: 'at_rule',
          begin: '@', end: '[{;]', // at_rule eating first "{" is a good thing
                                   // because it doesn’t let it to be parsed as
                                   // a rule set but instead drops parser into
                                   // the defaultMode which is how it should be.
          excludeEnd: true,
          keywords: 'import page media charset',
          contains: [
            FUNCTION,
            hljs.APOS_STRING_MODE, hljs.QUOTE_STRING_MODE,
            hljs.NUMBER_MODE
          ]
        },
        {
          className: 'tag', begin: hljs.IDENT_RE,
          relevance: 0
        },
        {
          className: 'rules',
          begin: '{', end: '}',
          illegal: '[^\\s]',
          relevance: 0,
          contains: [
            hljs.C_BLOCK_COMMENT_MODE,
            {
              className: 'rule',
              begin: '[^\\s]', returnBegin: true, end: ';', endsWithParent: true,
              contains: [
                {
                  className: 'attribute',
                  begin: '[A-Z\\_\\.\\-]+', end: ':',
                  excludeEnd: true,
                  illegal: '[^\\s]',
                  starts: {
                    className: 'value',
                    endsWithParent: true, excludeEnd: true,
                    contains: [
                      FUNCTION,
                      hljs.NUMBER_MODE,
                      hljs.QUOTE_STRING_MODE,
                      hljs.APOS_STRING_MODE,
                      hljs.C_BLOCK_COMMENT_MODE,
                      {
                        className: 'hexcolor', begin: '\\#[0-9A-F]+'
                      },
                      {
                        className: 'important', begin: '!important'
                      }
                    ]
                  }
                }
              ]
            }
          ]
        }
      ]
    }
  };
}(hljs);