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c=this.frames||b.frames.slice(0);return new a.DetachedRuleset(this.ruleset,c)},callEval:function(b){return this.ruleset.eval(this.frames?new a.evalEnv(b,this.frames.concat(b.frames)):b)}}}(c("../tree")),function(a){a.Dimension=function(c,d){this.value=parseFloat(c),this.unit=d&&d instanceof a.Unit?d:new a.Unit(d?[d]:b)},a.Dimension.prototype={type:"Dimension",accept:function(a){this.unit=a.visit(this.unit)},eval:function(){return this},toColor:function(){return new a.Color([this.value,this.value,this.value])},genCSS:function(b,c){if(b&&b.strictUnits&&!this.unit.isSingular())throw new Error("Multiple units in dimension. Correct the units or use the unit function. Bad unit: "+this.unit.toString());var d=a.fround(b,this.value),e=String(d);if(0!==d&&1e-6>d&&d>-1e-6&&(e=d.toFixed(20).replace(/0+$/,"")),b&&b.compress){if(0===d&&this.unit.isLength())return void c.add(e);d>0&&1>d&&(e=e.substr(1))}c.add(e),this.unit.genCSS(b,c)},toCSS:a.toCSS,operate:function(b,c,d){var e=a.operate(b,c,this.value,d.value),f=this.unit.clone();if("+"===c||"-"===c)if(0===f.numerator.length&&0===f.denominator.length)f.numerator=d.unit.numerator.slice(0),f.denominator=d.unit.denominator.slice(0);else if(0===d.unit.numerator.length&&0===f.denominator.length);else{if(d=d.convertTo(this.unit.usedUnits()),b.strictUnits&&d.unit.toString()!==f.toString())throw new Error("Incompatible units. Change the units or use the unit function. 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this.rules?a.Ruleset.prototype.find.apply(this.rules,arguments):void 0},rulesets:function(){return this.rules?a.Ruleset.prototype.rulesets.apply(this.rules):void 0},markReferenced:function(){var a,b;if(this.isReferenced=!0,this.rules)for(b=this.rules.rules,a=0;a":" > ","|":"|","^":" ^ ","^^":" ^^ "},_outputMapCompressed:{"":""," ":" ",":":" :","+":"+","~":"~",">":">","|":"|","^":"^","^^":"^^"},genCSS:function(a,b){b.add((a.compress?this._outputMapCompressed:this._outputMap)[this.value])},toCSS:a.toCSS}}(c("../tree")),function(a){a.Expression=function(a){this.value=a},a.Expression.prototype={type:"Expression",accept:function(a){this.value&&(this.value=a.visitArray(this.value))},eval:function(b){var c,d=this.parens&&!this.parensInOp,e=!1;return d&&b.inParenthesis(),this.value.length>1?c=new a.Expression(this.value.map(function(a){return 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a.Ruleset.prototype.find.apply(this.rules[0],arguments)},rulesets:function(){return a.Ruleset.prototype.rulesets.apply(this.rules[0])},emptySelectors:function(){var b=new a.Element("","&",this.index,this.currentFileInfo),c=[new a.Selector([b],null,null,this.index,this.currentFileInfo)];return c[0].mediaEmpty=!0,c},markReferenced:function(){var a,b=this.rules[0].rules;for(this.rules[0].markReferenced(),this.isReferenced=!0,a=0;a1){var d=this.emptySelectors();c=new a.Ruleset(d,b.mediaBlocks),c.multiMedia=!0}return delete b.mediaBlocks,delete b.mediaPath,c},evalNested:function(b){var c,d,e=b.mediaPath.concat([this]);for(c=0;c0;c--)b.splice(c,0,new a.Anonymous("and"));return new a.Expression(b)})),new a.Ruleset([],[])},permute:function(a){if(0===a.length)return[];if(1===a.length)return a[0];for(var b=[],c=this.permute(a.slice(1)),d=0;d0){for(j=!0,g=0;gh;h++)s.value(h),r[h]=d.matchCondition(e,b);(r[0]||r[1])&&(r[0]!=r[1]&&(l.group=r[1]?u:v),q.push(l))}else q.push(l);p=!0}}for(s.reset(),n=[0,0,0],g=0;g0)m=v;else if(m=u,n[u]+n[v]>1)throw{type:"Runtime",message:"Ambiguous use of `default()` found when matching for `"+this.format(e)+"`",index:this.index,filename:this.currentFileInfo.filename};for(g=0;gh;h++)if(g=d[h],k=g&&g.name){for(l=!1,i=0;ii;i++)f.push(d[i].value.eval(b));n.prependRule(new a.Rule(k,new a.Expression(f).eval(b)))}else{if(j=g&&g.value)j=j.eval(b);else{if(!o[h].value)throw{type:"Runtime",message:"wrong number of arguments for "+this.name+" ("+p+" for "+this.arity+")"};j=o[h].value.eval(c),n.resetCache()}n.prependRule(new a.Rule(k,j)),e[h]=j}if(o[h].variadic&&d)for(i=m;p>i;i++)e[i]=d[i].value.eval(b);m++}return n},eval:function(b){return new a.mixin.Definition(this.name,this.params,this.rules,this.condition,this.variadic,this.frames||b.frames.slice(0))},evalCall:function(b,c,d){var e,f,g=[],h=this.frames?this.frames.concat(b.frames):b.frames,i=this.evalParams(b,new a.evalEnv(b,h),c,g);return i.prependRule(new a.Rule("@arguments",new a.Expression(g).eval(b))),e=this.rules.slice(0),f=new a.Ruleset(null,e),f.originalRuleset=this,f=f.eval(new a.evalEnv(b,[this,i].concat(h))),d&&(f=this.parent.makeImportant.apply(f)),f},matchCondition:function(b,c){return this.condition&&!this.condition.eval(new a.evalEnv(c,[this.evalParams(c,new a.evalEnv(c,this.frames.concat(c.frames)),b,[])].concat(this.frames).concat(c.frames)))?!1:!0},matchArgs:function(a,b){var c,d=a&&a.length||0;if(this.variadic){if(dthis.params.length)return!1}c=Math.min(d,this.arity);for(var e=0;c>e;e++)if(!this.params[e].name&&!this.params[e].variadic&&a[e].value.eval(b).toCSS()!=this.params[e].value.eval(b).toCSS())return!1;return!0}}}(c("../tree")),function(a){a.Negative=function(a){this.value=a},a.Negative.prototype={type:"Negative",accept:function(a){this.value=a.visit(this.value)},genCSS:function(a,b){b.add("-"),this.value.genCSS(a,b)},toCSS:a.toCSS,eval:function(b){return b.isMathOn()?new a.Operation("*",[new 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