diff --git a/dist/less.js b/dist/less.js
index 82e217ce2..ac813a4bc 100644
--- a/dist/less.js
+++ b/dist/less.js
@@ -1,5 +1,5 @@
 /**
- * Less - Leaner CSS v4.0.0
+ * Less - Leaner CSS v4.1.0
  * http://lesscss.org
  * 
  * Copyright (c) 2009-2021, Alexis Sellier <self@cloudhead.net>
@@ -10510,7 +10510,7 @@
         return render;
     }
 
-    var version = "4.0.0";
+    var version = "4.1.0";
 
     function parseNodeVersion(version) {
       var match = version.match(/^v(\d{1,2})\.(\d{1,2})\.(\d{1,2})(?:-([0-9A-Za-z-.]+))?(?:\+([0-9A-Za-z-.]+))?$/); // eslint-disable-line max-len
diff --git a/dist/less.min.js b/dist/less.min.js
index 4e5bf6158..71a9cb7c6 100644
--- a/dist/less.min.js
+++ b/dist/less.min.js
@@ -1,5 +1,5 @@
 /**
- * Less - Leaner CSS v4.0.0
+ * Less - Leaner CSS v4.1.0
  * http://lesscss.org
  * 
  * Copyright (c) 2009-2021, Alexis Sellier <self@cloudhead.net>
@@ -7,5 +7,5 @@
  *
  * @license Apache-2.0
  */
-!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e="undefined"!=typeof globalThis?globalThis:e||self).less=t()}(this,(function(){"use strict";function e(e){return e.replace(/^[a-z-]+:\/+?[^\/]+/,"").replace(/[\?\&]livereload=\w+/,"").replace(/^\//,"").replace(/\.[a-zA-Z]+$/,"").replace(/[^\.\w-]+/g,"-").replace(/\./g,":")}function t(e,t){for(var i in t.dataset)if(t.dataset.hasOwnProperty(i))if("env"===i||"dumpLineNumbers"===i||"rootpath"===i||"errorReporting"===i)e[i]=t.dataset[i];else try{e[i]=JSON.parse(t.dataset[i])}catch(e){}}var i=function(t,i,n){var r=n.href||"",s="less:"+(n.title||e(r)),o=t.getElementById(s),a=!1,l=t.createElement("style");l.setAttribute("type","text/css"),n.media&&l.setAttribute("media",n.media),l.id=s,l.styleSheet||(l.appendChild(t.createTextNode(i)),a=null!==o&&o.childNodes.length>0&&l.childNodes.length>0&&o.firstChild.nodeValue===l.firstChild.nodeValue);var u=t.getElementsByTagName("head")[0];if(null===o||!1===a){var c=n&&n.nextSibling||null;c?c.parentNode.insertBefore(l,c):u.appendChild(l)}if(o&&!1===a&&o.parentNode.removeChild(o),l.styleSheet)try{l.styleSheet.cssText=i}catch(e){throw new Error("Couldn't reassign styleSheet.cssText.")}},n=function(e){var t,i=e.document;return i.currentScript||(t=i.getElementsByTagName("script"))[t.length-1]},r={error:function(e){this._fireEvent("error",e)},warn:function(e){this._fireEvent("warn",e)},info:function(e){this._fireEvent("info",e)},debug:function(e){this._fireEvent("debug",e)},addListener:function(e){this._listeners.push(e)},removeListener:function(e){for(var t=0;t<this._listeners.length;t++)if(this._listeners[t]===e)return void this._listeners.splice(t,1)},_fireEvent:function(e,t){for(var i=0;i<this._listeners.length;i++){var n=this._listeners[i][e];n&&n(t)}},_listeners:[]},s=function(){function e(e,t){this.fileManagers=t||[],e=e||{};for(var i=[],n=i.concat(["encodeBase64","mimeLookup","charsetLookup","getSourceMapGenerator"]),r=0;r<n.length;r++){var s=n[r],o=e[s];o?this[s]=o.bind(e):r<i.length&&this.warn("missing required function in environment - "+s)}}return e.prototype.getFileManager=function(e,t,i,n,s){e||r.warn("getFileManager called with no filename.. 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t,i,n=this.elements,r=n.length;if(0===(t=(e=e.mixinElements()).length)||r<t)return 0;for(i=0;i<t;i++)if(n[i].value!==e[i])return 0;return t},mixinElements:function(){if(this.mixinElements_)return this.mixinElements_;var e=this.elements.map((function(e){return e.combinator.value+(e.value.value||e.value)})).join("").match(/[,&#\*\.\w-]([\w-]|(\\.))*/g);return e?"&"===e[0]&&e.shift():e=[],this.mixinElements_=e},isJustParentSelector:function(){return!this.mediaEmpty&&1===this.elements.length&&"&"===this.elements[0].value&&(" "===this.elements[0].combinator.value||""===this.elements[0].combinator.value)},eval:function(e){var t=this.condition&&this.condition.eval(e),i=this.elements,n=this.extendList;return i=i&&i.map((function(t){return t.eval(e)})),n=n&&n.map((function(t){return t.eval(e)})),this.createDerived(i,n,t)},genCSS:function(e,t){var i;for(e&&e.firstSelector||""!==this.elements[0].combinator.value||t.add(" 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j=function(e,t,i,n,r,s){this.value=e,this._index=t,this._fileInfo=i,this.mapLines=n,this.rulesetLike=void 0!==r&&r,this.allowRoot=!0,this.copyVisibilityInfo(s)};j.prototype=Object.assign(new u,{type:"Anonymous",eval:function(){return new j(this.value,this._index,this._fileInfo,this.mapLines,this.rulesetLike,this.visibilityInfo())},compare:function(e){return e.toCSS&&this.toCSS()===e.toCSS()?0:void 0},isRulesetLike:function(){return this.rulesetLike},genCSS:function(e,t){this.nodeVisible=Boolean(this.value),this.nodeVisible&&t.add(this.value,this._fileInfo,this._index,this.mapLines)}});var N=g;var D=function(e,t,i,n,r,s,o,a){this.name=e,this.value=t instanceof u?t:new $([t?new j(t):null]),this.important=i?" 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G=["paths","compress","math","strictUnits","sourceMap","importMultiple","urlArgs","javascriptEnabled","pluginManager","importantScope","rewriteUrls"];function W(e){return!/^(?:[a-z-]+:|\/|#)/i.test(e)}function J(e){return"."===e.charAt(0)}q.Eval=function(e,t){T(e,this,G),"string"==typeof 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a=0;a<n.elements.length;a++)if(n.elements[a].isVariable){s=!0;break}t[r]=n,n.evaldCondition&&(o=!0)}if(s){var l=new Array(i);for(r=0;r<i;r++)n=t[r],l[r]=n.toCSS(e);this.parse.parseNode(l.join(","),["selectors"],t[0].getIndex(),t[0].fileInfo(),(function(e,i){i&&(t=E(i))}))}Q.reset()}else o=!0;var c,h,f=this.rules?k(this.rules):null,p=new K(t,f,this.strictImports,this.visibilityInfo());p.originalRuleset=this,p.root=this.root,p.firstRoot=this.firstRoot,p.allowImports=this.allowImports,this.debugInfo&&(p.debugInfo=this.debugInfo),o||(f.length=0),p.functionRegistry=function(e){for(var t,i=0,n=e.length;i!==n;++i)if(t=e[i].functionRegistry)return t;return H}(e.frames).inherit();var v=e.frames;v.unshift(p);var d=e.selectors;d||(e.selectors=d=[]),d.unshift(this.selectors),(p.root||p.allowImports||!p.strictImports)&&p.evalImports(e);var m=p.rules;for(r=0;c=m[r];r++)c.evalFirst&&(m[r]=c.eval(e));var g=e.mediaBlocks&&e.mediaBlocks.length||0;for(r=0;c=m[r];r++)"MixinCall"===c.type?(f=c.eval(e).filter((function(e){return!(e instanceof D&&e.variable)||!p.variable(e.name)})),m.splice.apply(m,[r,1].concat(f)),r+=f.length-1,p.resetCache()):"VariableCall"===c.type&&(f=c.eval(e).rules.filter((function(e){return!(e instanceof D&&e.variable)})),m.splice.apply(m,[r,1].concat(f)),r+=f.length-1,p.resetCache());for(r=0;c=m[r];r++)c.evalFirst||(m[r]=c=c.eval?c.eval(e):c);for(r=0;c=m[r];r++)if(c instanceof K&&c.selectors&&1===c.selectors.length&&c.selectors[0]&&c.selectors[0].isJustParentSelector()){m.splice(r--,1);for(a=0;h=c.rules[a];a++)h instanceof u&&(h.copyVisibilityInfo(c.visibilityInfo()),h instanceof D&&h.variable||m.splice(++r,0,h))}if(v.shift(),d.shift(),e.mediaBlocks)for(r=g;r<e.mediaBlocks.length;r++)e.mediaBlocks[r].bubbleSelectors(t);return p},evalImports:function(e){var t,i,n=this.rules;if(n)for(t=0;t<n.length;t++)"Import"===n[t].type&&((i=n[t].eval(e))&&(i.length||0===i.length)?(n.splice.apply(n,[t,1].concat(i)),t+=i.length-1):n.splice(t,1,i),this.resetCache())},makeImportant:function(){return new K(this.selectors,this.rules.map((function(e){return e.makeImportant?e.makeImportant():e})),this.strictImports,this.visibilityInfo())},matchArgs:function(e){return!e||0===e.length},matchCondition:function(e,t){var i=this.selectors[this.selectors.length-1];return!!i.evaldCondition&&!(i.condition&&!i.condition.eval(new q.Eval(t,t.frames)))},resetCache:function(){this._rulesets=null,this._variables=null,this._properties=null,this._lookups={}},variables:function(){return this._variables||(this._variables=this.rules?this.rules.reduce((function(e,t){if(t instanceof D&&!0===t.variable&&(e[t.name]=t),"Import"===t.type&&t.root&&t.root.variables){var i=t.root.variables();for(var n in i)i.hasOwnProperty(n)&&(e[n]=t.root.variable(n))}return 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Correct the units or use the unit function. Bad unit: "+this.unit.toString());var i=this.fround(e,this.value),n=String(i);if(0!==i&&i<1e-6&&i>-1e-6&&(n=i.toFixed(20).replace(/0+$/,"")),e&&e.compress){if(0===i&&this.unit.isLength())return void t.add(n);i>0&&i<1&&(n=n.substr(1))}t.add(n),this.unit.genCSS(e,t)},operate:function(e,t,i){var n=this._operate(e,t,this.value,i.value),r=this.unit.clone();if("+"===t||"-"===t)if(0===r.numerator.length&&0===r.denominator.length)r=i.unit.clone(),this.unit.backupUnit&&(r.backupUnit=this.unit.backupUnit);else if(0===i.unit.numerator.length&&0===r.denominator.length);else{if(i=i.convertTo(this.unit.usedUnits()),e.strictUnits&&i.unit.toString()!==r.toString())throw new Error("Incompatible units. Change the units or use the unit function. Bad units: '"+r.toString()+"' and '"+i.unit.toString()+"'.");n=this._operate(e,t,this.value,i.value)}else"*"===t?(r.numerator=r.numerator.concat(i.unit.numerator).sort(),r.denominator=r.denominator.concat(i.unit.denominator).sort(),r.cancel()):"/"===t&&(r.numerator=r.numerator.concat(i.unit.denominator).sort(),r.denominator=r.denominator.concat(i.unit.numerator).sort(),r.cancel());return new ee(n,r)},compare:function(e){var t,i;if(e instanceof ee){if(this.unit.isEmpty()||e.unit.isEmpty())t=this,i=e;else if(t=this.unify(),i=e.unify(),0!==t.unit.compare(i.unit))return;return u.numericCompare(t.value,i.value)}},unify:function(){return this.convertTo({length:"px",duration:"s",angle:"rad"})},convertTo:function(e){var t,i,n,r,s,o=this.value,l=this.unit.clone(),u={};if("string"==typeof e){for(t in a)a[t].hasOwnProperty(e)&&((u={})[t]=e);e=u}for(i in s=function(e,t){return n.hasOwnProperty(e)?(t?o/=n[e]/n[r]:o*=n[e]/n[r],r):e},e)e.hasOwnProperty(i)&&(r=e[i],n=a[i],l.map(s));return l.cancel(),new ee(o,l)}});var te=g,ie=function(e,t,i){this.op=e.trim(),this.operands=t,this.isSpaced=i};ie.prototype=Object.assign(new u,{type:"Operation",accept:function(e){this.operands=e.visitArray(this.operands)},eval:function(e){var t,i=this.operands[0].eval(e),n=this.operands[1].eval(e);if(e.isMathOn(this.op)){if(t="./"===this.op?"/":this.op,i instanceof ee&&n instanceof c&&(i=i.toColor()),n instanceof ee&&i instanceof c&&(n=n.toColor()),!i.operate){if(i instanceof ie&&"/"===i.op&&e.math===te.PARENS_DIVISION)return new ie(this.op,[i,n],this.isSpaced);throw{type:"Operation",message:"Operation on an invalid type"}}return i.operate(e,t,n)}return new ie(this.op,[i,n],this.isSpaced)},genCSS:function(e,t){this.operands[0].genCSS(e,t),this.isSpaced&&t.add(" "),t.add(this.op),this.isSpaced&&t.add(" "),this.operands[1].genCSS(e,t)}});var ne=function(e,t){if(this.value=e,this.noSpacing=t,!e)throw new Error("Expression requires an array parameter")};ne.prototype=Object.assign(new u,{type:"Expression",accept:function(e){this.value=e.visitArray(this.value)},eval:function(e){var t,i=e.isMathOn(),n=this.parens,r=!1;return n&&e.inParenthesis(),this.value.length>1?t=new ne(this.value.map((function(t){return t.eval?t.eval(e):t})),this.noSpacing):1===this.value.length?(!this.value[0].parens||this.value[0].parensInOp||e.inCalc||(r=!0),t=this.value[0].eval(e)):t=this,n&&e.outOfParenthesis(),!this.parens||!this.parensInOp||i||r||t instanceof ee||(t=new p(t)),t},genCSS:function(e,t){for(var i=0;i<this.value.length;i++)this.value[i].genCSS(e,t),!this.noSpacing&&i+1<this.value.length&&t.add(" ")},throwAwayComments:function(){this.value=this.value.filter((function(e){return!(e instanceof U)}))}});var re=function(){function e(e,t,i,n){this.name=e.toLowerCase(),this.index=i,this.context=t,this.currentFileInfo=n,this.func=t.frames[0].functionRegistry.get(this.name)}return e.prototype.isValid=function(){return Boolean(this.func)},e.prototype.call=function(e){var t=this;Array.isArray(e)||(e=[e]);var i=this.func.evalArgs;!1!==i&&(e=e.map((function(e){return e.eval(t.context)})));var n=function(e){return!("Comment"===e.type)};return e=e.filter(n).map((function(e){if("Expression"===e.type){var t=e.value.filter(n);return 1===t.length?t[0]:new ne(t)}return e})),!1===i?this.func.apply(this,function(){for(var e=0,t=0,i=arguments.length;t<i;t++)e+=arguments[t].length;var n=Array(e),r=0;for(t=0;t<i;t++)for(var s=arguments[t],o=0,a=s.length;o<a;o++,r++)n[r]=s[o];return n}([this.context],e)):this.func.apply(this,e)},e}(),se=function(e,t,i,n){this.name=e,this.args=t,this.calc="calc"===e,this._index=i,this._fileInfo=n};se.prototype=Object.assign(new u,{type:"Call",accept:function(e){this.args&&(this.args=e.visitArray(this.args))},eval:function(e){var t=this,i=e.mathOn;e.mathOn=!this.calc,(this.calc||e.inCalc)&&e.enterCalc();var n,r=function(){(t.calc||e.inCalc)&&e.exitCalc(),e.mathOn=i},s=new re(this.name,e,this.getIndex(),this.fileInfo());if(s.isValid())try{n=s.call(this.args),r()}catch(e){if(e.hasOwnProperty("line")&&e.hasOwnProperty("column"))throw e;throw{type:e.type||"Runtime",message:"Error evaluating function `"+this.name+"`"+(e.message?": "+e.message:""),index:this.getIndex(),filename:this.fileInfo().filename,line:e.lineNumber,column:e.columnNumber}}if(null!=n)return n instanceof u||(n=new j(n&&!0!==n?n.toString():null)),n._index=this._index,n._fileInfo=this._fileInfo,n;var o=this.args.map((function(t){return t.eval(e)}));return r(),new se(this.name,o,this.getIndex(),this.fileInfo())},genCSS:function(e,t){t.add(this.name+"(",this.fileInfo(),this.getIndex());for(var i=0;i<this.args.length;i++)this.args[i].genCSS(e,t),i+1<this.args.length&&t.add(", ");t.add(")")}});var oe=function(e,t,i){this.name=e,this._index=t,this._fileInfo=i};oe.prototype=Object.assign(new u,{type:"Variable",eval:function(e){var t,i=this.name;if(0===i.indexOf("@@")&&(i="@"+new oe(i.slice(1),this.getIndex(),this.fileInfo()).eval(e).value),this.evaluating)throw{type:"Name",message:"Recursive variable definition for "+i,filename:this.fileInfo().filename,index:this.getIndex()};if(this.evaluating=!0,t=this.find(e.frames,(function(t){var n=t.variable(i);if(n){if(n.important)e.importantScope[e.importantScope.length-1].important=n.important;return e.inCalc?new se("_SELF",[n.value]).eval(e):n.value.eval(e)}})))return this.evaluating=!1,t;throw{type:"Name",message:"variable "+i+" is undefined",filename:this.fileInfo().filename,index:this.getIndex()}},find:function(e,t){for(var i=0,n=void 0;i<e.length;i++)if(n=t.call(e,e[i]))return n;return null}});var ae=function(e,t,i){this.name=e,this._index=t,this._fileInfo=i};ae.prototype=Object.assign(new u,{type:"Property",eval:function(e){var t,i=this.name,n=e.pluginManager.less.visitors.ToCSSVisitor.prototype._mergeRules;if(this.evaluating)throw{type:"Name",message:"Recursive property reference for "+i,filename:this.fileInfo().filename,index:this.getIndex()};if(this.evaluating=!0,t=this.find(e.frames,(function(t){var r,s=t.property(i);if(s){for(var o=0;o<s.length;o++)r=s[o],s[o]=new D(r.name,r.value,r.important,r.merge,r.index,r.currentFileInfo,r.inline,r.variable);if(n(s),(r=s[s.length-1]).important)e.importantScope[e.importantScope.length-1].important=r.important;return r=r.value.eval(e)}})))return this.evaluating=!1,t;throw{type:"Name",message:"Property '"+i+"' is undefined",filename:this.currentFileInfo.filename,index:this.index}},find:function(e,t){for(var i=0,n=void 0;i<e.length;i++)if(n=t.call(e,e[i]))return n;return null}});var le=function(e,t,i){this.key=e,this.op=t,this.value=i};le.prototype=Object.assign(new u,{type:"Attribute",eval:function(e){return new le(this.key.eval?this.key.eval(e):this.key,this.op,this.value&&this.value.eval?this.value.eval(e):this.value)},genCSS:function(e,t){t.add(this.toCSS(e))},toCSS:function(e){var t=this.key.toCSS?this.key.toCSS(e):this.key;return this.op&&(t+=this.op,t+=this.value.toCSS?this.value.toCSS(e):this.value),"["+t+"]"}});var ue=function(e,t,i,n,r){this.escaped=null==i||i,this.value=t||"",this.quote=e.charAt(0),this._index=n,this._fileInfo=r,this.variableRegex=/@\{([\w-]+)\}/g,this.propRegex=/\$\{([\w-]+)\}/g,this.allowRoot=i};ue.prototype=Object.assign(new u,{type:"Quoted",genCSS:function(e,t){this.escaped||t.add(this.quote,this.fileInfo(),this.getIndex()),t.add(this.value),this.escaped||t.add(this.quote)},containsVariables:function(){return this.value.match(this.variableRegex)},eval:function(e){var t=this,i=this.value;function n(e,t,i){var n=e;do{e=n.toString(),n=e.replace(t,i)}while(e!==n);return n}return i=n(i,this.variableRegex,(function(i,n){var r=new oe("@"+n,t.getIndex(),t.fileInfo()).eval(e,!0);return r instanceof ue?r.value:r.toCSS()})),i=n(i,this.propRegex,(function(i,n){var r=new ae("$"+n,t.getIndex(),t.fileInfo()).eval(e,!0);return r instanceof ue?r.value:r.toCSS()})),new ue(this.quote+i+this.quote,i,this.escaped,this.getIndex(),this.fileInfo())},compare:function(e){return"Quoted"!==e.type||this.escaped||e.escaped?e.toCSS&&this.toCSS()===e.toCSS()?0:void 0:u.numericCompare(this.value,e.value)}});var ce=function(e,t,i,n){this.value=e,this._index=t,this._fileInfo=i,this.isEvald=n};ce.prototype=Object.assign(new u,{type:"Url",accept:function(e){this.value=e.visit(this.value)},genCSS:function(e,t){t.add("url("),this.value.genCSS(e,t),t.add(")")},eval:function(e){var t,i=this.value.eval(e);if(!this.isEvald&&("string"==typeof(t=this.fileInfo()&&this.fileInfo().rootpath)&&"string"==typeof i.value&&e.pathRequiresRewrite(i.value)?(i.quote||(t=t.replace(/[\(\)'"\s]/g,(function(e){return"\\"+e}))),i.value=e.rewritePath(i.value,t)):i.value=e.normalizePath(i.value),e.urlArgs&&!i.value.match(/^\s*data:/))){var n=(-1===i.value.indexOf("?")?"?":"&")+e.urlArgs;-1!==i.value.indexOf("#")?i.value=i.value.replace("#",n+"#"):i.value+=n}return new ce(i,this.getIndex(),this.fileInfo(),!0)}});var he=function(e,t,i,n,r){this._index=i,this._fileInfo=n;var s=new F([],null,null,this._index,this._fileInfo).createEmptySelectors();this.features=new $(t),this.rules=[new K(s,e)],this.rules[0].allowImports=!0,this.copyVisibilityInfo(r),this.allowRoot=!0,this.setParent(s,this),this.setParent(this.features,this),this.setParent(this.rules,this)};he.prototype=Object.assign(new Z,{type:"Media",isRulesetLike:function(){return!0},accept:function(e){this.features&&(this.features=e.visit(this.features)),this.rules&&(this.rules=e.visitArray(this.rules))},genCSS:function(e,t){t.add("@media ",this._fileInfo,this._index),this.features.genCSS(e,t),this.outputRuleset(e,t,this.rules)},eval:function(e){e.mediaBlocks||(e.mediaBlocks=[],e.mediaPath=[]);var t=new he(null,[],this._index,this._fileInfo,this.visibilityInfo());return this.debugInfo&&(this.rules[0].debugInfo=this.debugInfo,t.debugInfo=this.debugInfo),t.features=this.features.eval(e),e.mediaPath.push(t),e.mediaBlocks.push(t),this.rules[0].functionRegistry=e.frames[0].functionRegistry.inherit(),e.frames.unshift(this.rules[0]),t.rules=[this.rules[0].eval(e)],e.frames.shift(),e.mediaPath.pop(),0===e.mediaPath.length?t.evalTop(e):t.evalNested(e)},evalTop:function(e){var t=this;if(e.mediaBlocks.length>1){var i=new F([],null,null,this.getIndex(),this.fileInfo()).createEmptySelectors();(t=new K(i,e.mediaBlocks)).multiMedia=!0,t.copyVisibilityInfo(this.visibilityInfo()),this.setParent(t,this)}return delete e.mediaBlocks,delete e.mediaPath,t},evalNested:function(e){var t,i,n=e.mediaPath.concat([this]);for(t=0;t<n.length;t++)i=n[t].features instanceof $?n[t].features.value:n[t].features,n[t]=Array.isArray(i)?i:[i];return this.features=new $(this.permute(n).map((function(e){for(e=e.map((function(e){return e.toCSS?e:new 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e(){this.parent=null,this.visibilityBlocks=void 0,this.nodeVisible=void 0,this.rootNode=null,this.parsed=null;var e=this;Object.defineProperty(this,"currentFileInfo",{get:function(){return e.fileInfo()}}),Object.defineProperty(this,"index",{get:function(){return e.getIndex()}})}return e.prototype.setParent=function(t,i){function n(t){t&&t instanceof e&&(t.parent=i)}Array.isArray(t)?t.forEach(n):n(t)},e.prototype.getIndex=function(){return this._index||this.parent&&this.parent.getIndex()||0},e.prototype.fileInfo=function(){return this._fileInfo||this.parent&&this.parent.fileInfo()||{}},e.prototype.isRulesetLike=function(){return!1},e.prototype.toCSS=function(e){var t=[];return this.genCSS(e,{add:function(e,i,n){t.push(e)},isEmpty:function(){return 0===t.length}}),t.join("")},e.prototype.genCSS=function(e,t){t.add(this.value)},e.prototype.accept=function(e){this.value=e.visit(this.value)},e.prototype.eval=function(){return 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e,t,i=this.rgb[0]/255,n=this.rgb[1]/255,r=this.rgb[2]/255,s=this.alpha,o=Math.max(i,n,r),a=Math.min(i,n,r),l=(o+a)/2,u=o-a;if(o===a)e=t=0;else{switch(t=l>.5?u/(2-o-a):u/(o+a),o){case i:e=(n-r)/u+(n<r?6:0);break;case n:e=(r-i)/u+2;break;case r:e=(i-n)/u+4}e/=6}return{h:360*e,s:t,l:l,a:s}},toHSV:function(){var e,t,i=this.rgb[0]/255,n=this.rgb[1]/255,r=this.rgb[2]/255,s=this.alpha,o=Math.max(i,n,r),a=Math.min(i,n,r),l=o,u=o-a;if(t=0===o?0:u/o,o===a)e=0;else{switch(o){case i:e=(n-r)/u+(n<r?6:0);break;case n:e=(r-i)/u+2;break;case r:e=(i-n)/u+4}e/=6}return{h:360*e,s:t,v:l,a:s}},toARGB:function(){return f([255*this.alpha].concat(this.rgb))},compare:function(e){return e.rgb&&e.rgb[0]===this.rgb[0]&&e.rgb[1]===this.rgb[1]&&e.rgb[2]===this.rgb[2]&&e.alpha===this.alpha?0:void 0}}),c.fromKeyword=function(e){var t,i=e.toLowerCase();if(o.hasOwnProperty(i)?t=new c(o[i].slice(1)):"transparent"===i&&(t=new c([0,0,0],0)),t)return t.value=e,t};var 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r=t.contents[n],s=C(e.index,r),o=s.line,a=s.column,l=e.call&&C(e.call,r).line,u=r?r.split("\n"):"";if(this.type=e.type||"Syntax",this.filename=n,this.index=e.index,this.line="number"==typeof o?o+1:null,this.column=a,!this.line&&this.stack){var c=this.stack.match(R),h=new Function("a","throw new Error()"),f=0;try{h()}catch(e){var p=e.stack.match(R);f=1-(o=parseInt(p[2]))}c&&(c[2]&&(this.line=parseInt(c[2])+f),c[3]&&(this.column=parseInt(c[3])))}this.callLine=l+1,this.callExtract=u[l],this.extract=[u[this.line-2],u[this.line-1],u[this.line]]}};if(void 0===Object.create){var V=function(){};V.prototype=Error.prototype,O.prototype=new V}else O.prototype=Object.create(Error.prototype);O.prototype.constructor=O,O.prototype.toString=function(e){e=e||{};var t="",i=this.extract||[],n=[],r=function(e){return e};if(e.stylize){var s=typeof e.stylize;if("function"!==s)throw Error("options.stylize should be a function, got a "+s+"!");r=e.stylize}if(null!==this.line){if("string"==typeof 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u,{type:"Selector",accept:function(e){this.elements&&(this.elements=e.visitArray(this.elements)),this.extendList&&(this.extendList=e.visitArray(this.extendList)),this.condition&&(this.condition=e.visit(this.condition))},createDerived:function(e,t,i){e=this.getElements(e);var n=new F(e,t||this.extendList,null,this.getIndex(),this.fileInfo(),this.visibilityInfo());return n.evaldCondition=null!=i?i:this.evaldCondition,n.mediaEmpty=this.mediaEmpty,n},getElements:function(e){return e?("string"==typeof e&&this.parse.parseNode(e,["selector"],this._index,this._fileInfo,(function(t,i){if(t)throw new O({index:t.index,message:t.message},this.parse.imports,this._fileInfo.filename);e=i[0].elements})),e):[new m("","&",!1,this._index,this._fileInfo)]},createEmptySelectors:function(){var e=new m("","&",!1,this._index,this._fileInfo),t=[new F([e],null,null,this._index,this._fileInfo)];return t[0].mediaEmpty=!0,t},match:function(e){var t,i,n=this.elements,r=n.length;if(0===(t=(e=e.mixinElements()).length)||r<t)return 0;for(i=0;i<t;i++)if(n[i].value!==e[i])return 0;return t},mixinElements:function(){if(this.mixinElements_)return this.mixinElements_;var e=this.elements.map((function(e){return e.combinator.value+(e.value.value||e.value)})).join("").match(/[,&#\*\.\w-]([\w-]|(\\.))*/g);return e?"&"===e[0]&&e.shift():e=[],this.mixinElements_=e},isJustParentSelector:function(){return!this.mediaEmpty&&1===this.elements.length&&"&"===this.elements[0].value&&(" "===this.elements[0].combinator.value||""===this.elements[0].combinator.value)},eval:function(e){var t=this.condition&&this.condition.eval(e),i=this.elements,n=this.extendList;return i=i&&i.map((function(t){return t.eval(e)})),n=n&&n.map((function(t){return t.eval(e)})),this.createDerived(i,n,t)},genCSS:function(e,t){var i;for(e&&e.firstSelector||""!==this.elements[0].combinator.value||t.add(" 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j=function(e,t,i,n,r,s){this.value=e,this._index=t,this._fileInfo=i,this.mapLines=n,this.rulesetLike=void 0!==r&&r,this.allowRoot=!0,this.copyVisibilityInfo(s)};j.prototype=Object.assign(new u,{type:"Anonymous",eval:function(){return new j(this.value,this._index,this._fileInfo,this.mapLines,this.rulesetLike,this.visibilityInfo())},compare:function(e){return e.toCSS&&this.toCSS()===e.toCSS()?0:void 0},isRulesetLike:function(){return this.rulesetLike},genCSS:function(e,t){this.nodeVisible=Boolean(this.value),this.nodeVisible&&t.add(this.value,this._fileInfo,this._index,this.mapLines)}});var N=g;var D=function(e,t,i,n,r,s,o,a){this.name=e,this.value=t instanceof u?t:new $([t?new j(t):null]),this.important=i?" 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g=e.mediaBlocks&&e.mediaBlocks.length||0;for(r=0;c=m[r];r++)"MixinCall"===c.type?(f=c.eval(e).filter((function(e){return!(e instanceof D&&e.variable)||!p.variable(e.name)})),m.splice.apply(m,[r,1].concat(f)),r+=f.length-1,p.resetCache()):"VariableCall"===c.type&&(f=c.eval(e).rules.filter((function(e){return!(e instanceof D&&e.variable)})),m.splice.apply(m,[r,1].concat(f)),r+=f.length-1,p.resetCache());for(r=0;c=m[r];r++)c.evalFirst||(m[r]=c=c.eval?c.eval(e):c);for(r=0;c=m[r];r++)if(c instanceof K&&c.selectors&&1===c.selectors.length&&c.selectors[0]&&c.selectors[0].isJustParentSelector()){m.splice(r--,1);for(a=0;h=c.rules[a];a++)h instanceof u&&(h.copyVisibilityInfo(c.visibilityInfo()),h instanceof D&&h.variable||m.splice(++r,0,h))}if(v.shift(),d.shift(),e.mediaBlocks)for(r=g;r<e.mediaBlocks.length;r++)e.mediaBlocks[r].bubbleSelectors(t);return p},evalImports:function(e){var t,i,n=this.rules;if(n)for(t=0;t<n.length;t++)"Import"===n[t].type&&((i=n[t].eval(e))&&(i.length||0===i.length)?(n.splice.apply(n,[t,1].concat(i)),t+=i.length-1):n.splice(t,1,i),this.resetCache())},makeImportant:function(){return new K(this.selectors,this.rules.map((function(e){return e.makeImportant?e.makeImportant():e})),this.strictImports,this.visibilityInfo())},matchArgs:function(e){return!e||0===e.length},matchCondition:function(e,t){var i=this.selectors[this.selectors.length-1];return!!i.evaldCondition&&!(i.condition&&!i.condition.eval(new q.Eval(t,t.frames)))},resetCache:function(){this._rulesets=null,this._variables=null,this._properties=null,this._lookups={}},variables:function(){return this._variables||(this._variables=this.rules?this.rules.reduce((function(e,t){if(t instanceof D&&!0===t.variable&&(e[t.name]=t),"Import"===t.type&&t.root&&t.root.variables){var i=t.root.variables();for(var n in i)i.hasOwnProperty(n)&&(e[n]=t.root.variable(n))}return 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Correct the units or use the unit function. Bad unit: "+this.unit.toString());var i=this.fround(e,this.value),n=String(i);if(0!==i&&i<1e-6&&i>-1e-6&&(n=i.toFixed(20).replace(/0+$/,"")),e&&e.compress){if(0===i&&this.unit.isLength())return void t.add(n);i>0&&i<1&&(n=n.substr(1))}t.add(n),this.unit.genCSS(e,t)},operate:function(e,t,i){var n=this._operate(e,t,this.value,i.value),r=this.unit.clone();if("+"===t||"-"===t)if(0===r.numerator.length&&0===r.denominator.length)r=i.unit.clone(),this.unit.backupUnit&&(r.backupUnit=this.unit.backupUnit);else if(0===i.unit.numerator.length&&0===r.denominator.length);else{if(i=i.convertTo(this.unit.usedUnits()),e.strictUnits&&i.unit.toString()!==r.toString())throw new Error("Incompatible units. Change the units or use the unit function. Bad units: '"+r.toString()+"' and '"+i.unit.toString()+"'.");n=this._operate(e,t,this.value,i.value)}else"*"===t?(r.numerator=r.numerator.concat(i.unit.numerator).sort(),r.denominator=r.denominator.concat(i.unit.denominator).sort(),r.cancel()):"/"===t&&(r.numerator=r.numerator.concat(i.unit.denominator).sort(),r.denominator=r.denominator.concat(i.unit.numerator).sort(),r.cancel());return new ee(n,r)},compare:function(e){var t,i;if(e instanceof ee){if(this.unit.isEmpty()||e.unit.isEmpty())t=this,i=e;else if(t=this.unify(),i=e.unify(),0!==t.unit.compare(i.unit))return;return u.numericCompare(t.value,i.value)}},unify:function(){return this.convertTo({length:"px",duration:"s",angle:"rad"})},convertTo:function(e){var t,i,n,r,s,o=this.value,l=this.unit.clone(),u={};if("string"==typeof e){for(t in a)a[t].hasOwnProperty(e)&&((u={})[t]=e);e=u}for(i in s=function(e,t){return n.hasOwnProperty(e)?(t?o/=n[e]/n[r]:o*=n[e]/n[r],r):e},e)e.hasOwnProperty(i)&&(r=e[i],n=a[i],l.map(s));return 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u,{type:"Expression",accept:function(e){this.value=e.visitArray(this.value)},eval:function(e){var t,i=e.isMathOn(),n=this.parens,r=!1;return n&&e.inParenthesis(),this.value.length>1?t=new ne(this.value.map((function(t){return t.eval?t.eval(e):t})),this.noSpacing):1===this.value.length?(!this.value[0].parens||this.value[0].parensInOp||e.inCalc||(r=!0),t=this.value[0].eval(e)):t=this,n&&e.outOfParenthesis(),!this.parens||!this.parensInOp||i||r||t instanceof ee||(t=new p(t)),t},genCSS:function(e,t){for(var i=0;i<this.value.length;i++)this.value[i].genCSS(e,t),!this.noSpacing&&i+1<this.value.length&&t.add(" ")},throwAwayComments:function(){this.value=this.value.filter((function(e){return!(e instanceof U)}))}});var re=function(){function e(e,t,i,n){this.name=e.toLowerCase(),this.index=i,this.context=t,this.currentFileInfo=n,this.func=t.frames[0].functionRegistry.get(this.name)}return e.prototype.isValid=function(){return Boolean(this.func)},e.prototype.call=function(e){var t=this;Array.isArray(e)||(e=[e]);var i=this.func.evalArgs;!1!==i&&(e=e.map((function(e){return e.eval(t.context)})));var n=function(e){return!("Comment"===e.type)};return e=e.filter(n).map((function(e){if("Expression"===e.type){var t=e.value.filter(n);return 1===t.length?t[0]:new ne(t)}return e})),!1===i?this.func.apply(this,function(){for(var e=0,t=0,i=arguments.length;t<i;t++)e+=arguments[t].length;var n=Array(e),r=0;for(t=0;t<i;t++)for(var s=arguments[t],o=0,a=s.length;o<a;o++,r++)n[r]=s[o];return n}([this.context],e)):this.func.apply(this,e)},e}(),se=function(e,t,i,n){this.name=e,this.args=t,this.calc="calc"===e,this._index=i,this._fileInfo=n};se.prototype=Object.assign(new u,{type:"Call",accept:function(e){this.args&&(this.args=e.visitArray(this.args))},eval:function(e){var t=this,i=e.mathOn;e.mathOn=!this.calc,(this.calc||e.inCalc)&&e.enterCalc();var n,r=function(){(t.calc||e.inCalc)&&e.exitCalc(),e.mathOn=i},s=new 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t=this.key.toCSS?this.key.toCSS(e):this.key;return this.op&&(t+=this.op,t+=this.value.toCSS?this.value.toCSS(e):this.value),"["+t+"]"}});var ue=function(e,t,i,n,r){this.escaped=null==i||i,this.value=t||"",this.quote=e.charAt(0),this._index=n,this._fileInfo=r,this.variableRegex=/@\{([\w-]+)\}/g,this.propRegex=/\$\{([\w-]+)\}/g,this.allowRoot=i};ue.prototype=Object.assign(new u,{type:"Quoted",genCSS:function(e,t){this.escaped||t.add(this.quote,this.fileInfo(),this.getIndex()),t.add(this.value),this.escaped||t.add(this.quote)},containsVariables:function(){return this.value.match(this.variableRegex)},eval:function(e){var t=this,i=this.value;function n(e,t,i){var n=e;do{e=n.toString(),n=e.replace(t,i)}while(e!==n);return n}return i=n(i,this.variableRegex,(function(i,n){var r=new oe("@"+n,t.getIndex(),t.fileInfo()).eval(e,!0);return r instanceof ue?r.value:r.toCSS()})),i=n(i,this.propRegex,(function(i,n){var r=new ae("$"+n,t.getIndex(),t.fileInfo()).eval(e,!0);return r instanceof ue?r.value:r.toCSS()})),new ue(this.quote+i+this.quote,i,this.escaped,this.getIndex(),this.fileInfo())},compare:function(e){return"Quoted"!==e.type||this.escaped||e.escaped?e.toCSS&&this.toCSS()===e.toCSS()?0:void 0:u.numericCompare(this.value,e.value)}});var ce=function(e,t,i,n){this.value=e,this._index=t,this._fileInfo=i,this.isEvald=n};ce.prototype=Object.assign(new u,{type:"Url",accept:function(e){this.value=e.visit(this.value)},genCSS:function(e,t){t.add("url("),this.value.genCSS(e,t),t.add(")")},eval:function(e){var t,i=this.value.eval(e);if(!this.isEvald&&("string"==typeof(t=this.fileInfo()&&this.fileInfo().rootpath)&&"string"==typeof i.value&&e.pathRequiresRewrite(i.value)?(i.quote||(t=t.replace(/[\(\)'"\s]/g,(function(e){return"\\"+e}))),i.value=e.rewritePath(i.value,t)):i.value=e.normalizePath(i.value),e.urlArgs&&!i.value.match(/^\s*data:/))){var n=(-1===i.value.indexOf("?")?"?":"&")+e.urlArgs;-1!==i.value.indexOf("#")?i.value=i.value.replace("#",n+"#"):i.value+=n}return new ce(i,this.getIndex(),this.fileInfo(),!0)}});var he=function(e,t,i,n,r){this._index=i,this._fileInfo=n;var s=new F([],null,null,this._index,this._fileInfo).createEmptySelectors();this.features=new $(t),this.rules=[new K(s,e)],this.rules[0].allowImports=!0,this.copyVisibilityInfo(r),this.allowRoot=!0,this.setParent(s,this),this.setParent(this.features,this),this.setParent(this.rules,this)};he.prototype=Object.assign(new Z,{type:"Media",isRulesetLike:function(){return!0},accept:function(e){this.features&&(this.features=e.visit(this.features)),this.rules&&(this.rules=e.visitArray(this.rules))},genCSS:function(e,t){t.add("@media ",this._fileInfo,this._index),this.features.genCSS(e,t),this.outputRuleset(e,t,this.rules)},eval:function(e){e.mediaBlocks||(e.mediaBlocks=[],e.mediaPath=[]);var t=new he(null,[],this._index,this._fileInfo,this.visibilityInfo());return this.debugInfo&&(this.rules[0].debugInfo=this.debugInfo,t.debugInfo=this.debugInfo),t.features=this.features.eval(e),e.mediaPath.push(t),e.mediaBlocks.push(t),this.rules[0].functionRegistry=e.frames[0].functionRegistry.inherit(),e.frames.unshift(this.rules[0]),t.rules=[this.rules[0].eval(e)],e.frames.shift(),e.mediaPath.pop(),0===e.mediaPath.length?t.evalTop(e):t.evalNested(e)},evalTop:function(e){var t=this;if(e.mediaBlocks.length>1){var i=new F([],null,null,this.getIndex(),this.fileInfo()).createEmptySelectors();(t=new K(i,e.mediaBlocks)).multiMedia=!0,t.copyVisibilityInfo(this.visibilityInfo()),this.setParent(t,this)}return delete e.mediaBlocks,delete e.mediaPath,t},evalNested:function(e){var t,i,n=e.mediaPath.concat([this]);for(t=0;t<n.length;t++)i=n[t].features instanceof $?n[t].features.value:n[t].features,n[t]=Array.isArray(i)?i:[i];return this.features=new $(this.permute(n).map((function(e){for(e=e.map((function(e){return e.toCSS?e:new 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u,{type:"Import",accept:function(e){this.features&&(this.features=e.visit(this.features)),this.path=e.visit(this.path),this.options.isPlugin||this.options.inline||!this.root||(this.root=e.visit(this.root))},genCSS:function(e,t){this.css&&void 0===this.path._fileInfo.reference&&(t.add("@import ",this._fileInfo,this._index),this.path.genCSS(e,t),this.features&&(t.add(" "),this.features.genCSS(e,t)),t.add(";"))},getPath:function(){return this.path instanceof ce?this.path.value.value:this.path.value},isVariableImport:function(){var e=this.path;return e instanceof ce&&(e=e.value),!(e instanceof ue)||e.containsVariables()},evalForImport:function(e){var t=this.path;return t instanceof ce&&(t=t.value),new fe(t.eval(e),this.features,this.options,this._index,this._fileInfo,this.visibilityInfo())},evalPath:function(e){var t=this.path.eval(e),i=this._fileInfo;if(!(t instanceof ce)){var n=t.value;i&&n&&e.pathRequiresRewrite(n)?t.value=e.rewritePath(n,i.rootpath):t.value=e.normalizePath(t.value)}return t},eval:function(e){var t=this.doEval(e);return(this.options.reference||this.blocksVisibility())&&(t.length||0===t.length?t.forEach((function(e){e.addVisibilityBlock()})):t.addVisibilityBlock()),t},doEval:function(e){var t,i,n=this.features&&this.features.eval(e);if(this.options.isPlugin){if(this.root&&this.root.eval)try{this.root.eval(e)}catch(e){throw e.message="Plugin error during evaluation",new O(e,this.root.imports,this.root.filename)}return(i=e.frames[0]&&e.frames[0].functionRegistry)&&this.root&&this.root.functions&&i.addMultiple(this.root.functions),[]}if(this.skip&&("function"==typeof this.skip&&(this.skip=this.skip()),this.skip))return[];if(this.options.inline){var r=new j(this.root,0,{filename:this.importedFilename,reference:this.path._fileInfo&&this.path._fileInfo.reference},!0,!0);return this.features?new he([r],this.features.value):[r]}if(this.css){var s=new fe(this.evalPath(e),n,this.options,this._index);if(!s.css&&this.error)throw this.error;return s}return this.root?((t=new K(null,k(this.root.rules))).evalImports(e),this.features?new he(t.rules,this.features.value):t.rules):[]}});var pe=function(){};pe.prototype=Object.assign(new u,{evaluateJavaScript:function(e,t){var i,n=this,r={};if(!t.javascriptEnabled)throw{message:"Inline JavaScript is not enabled. Is it set in your options?",filename:this.fileInfo().filename,index:this.getIndex()};e=e.replace(/@\{([\w-]+)\}/g,(function(e,i){return n.jsify(new oe("@"+i,n.getIndex(),n.fileInfo()).eval(t))}));try{e=new Function("return ("+e+")")}catch(t){throw{message:"JavaScript evaluation error: "+t.message+" from `"+e+"`",filename:this.fileInfo().filename,index:this.getIndex()}}var s=t.frames[0].variables();for(var o in s)s.hasOwnProperty(o)&&(r[o.slice(1)]={value:s[o].value,toJS:function(){return this.value.eval(t).toCSS()}});try{i=e.call(r)}catch(e){throw{message:"JavaScript evaluation error: '"+e.name+": "+e.message.replace(/["]/g,"'")+"'",filename:this.fileInfo().filename,index:this.getIndex()}}return i},jsify:function(e){return Array.isArray(e.value)&&e.value.length>1?"["+e.value.map((function(e){return e.toCSS()})).join(", ")+"]":e.toCSS()}});var ve=function(e,t,i,n){this.escaped=t,this.expression=e,this._index=i,this._fileInfo=n};ve.prototype=Object.assign(new pe,{type:"JavaScript",eval:function(e){var t=this.evaluateJavaScript(this.expression,e),i=typeof t;return"number"!==i||isNaN(t)?"string"===i?new ue('"'+t+'"',t,this.escaped,this._index):Array.isArray(t)?new j(t.join(", ")):new j(t):new ee(t)}});var de=function(e,t){this.key=e,this.value=t};de.prototype=Object.assign(new u,{type:"Assignment",accept:function(e){this.value=e.visit(this.value)},eval:function(e){return this.value.eval?new de(this.key,this.value.eval(e)):this},genCSS:function(e,t){t.add(this.key+"="),this.value.genCSS?this.value.genCSS(e,t):t.add(this.value)}});var me=function(e,t,i,n,r){this.op=e.trim(),this.lvalue=t,this.rvalue=i,this._index=n,this.negate=r};me.prototype=Object.assign(new u,{type:"Condition",accept:function(e){this.lvalue=e.visit(this.lvalue),this.rvalue=e.visit(this.rvalue)},eval:function(e){var t=function(e,t,i){switch(e){case"and":return t&&i;case"or":return t||i;default:switch(u.compare(t,i)){case-1:return"<"===e||"=<"===e||"<="===e;case 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diff --git a/packages/less/dist/less.js b/packages/less/dist/less.js
index 82e217ce2..ac813a4bc 100644
--- a/packages/less/dist/less.js
+++ b/packages/less/dist/less.js
@@ -1,5 +1,5 @@
 /**
- * Less - Leaner CSS v4.0.0
+ * Less - Leaner CSS v4.1.0
  * http://lesscss.org
  * 
  * Copyright (c) 2009-2021, Alexis Sellier <self@cloudhead.net>
@@ -10510,7 +10510,7 @@
         return render;
     }
 
-    var version = "4.0.0";
+    var version = "4.1.0";
 
     function parseNodeVersion(version) {
       var match = version.match(/^v(\d{1,2})\.(\d{1,2})\.(\d{1,2})(?:-([0-9A-Za-z-.]+))?(?:\+([0-9A-Za-z-.]+))?$/); // eslint-disable-line max-len
diff --git a/packages/less/dist/less.min.js b/packages/less/dist/less.min.js
index 4e5bf6158..71a9cb7c6 100644
--- a/packages/less/dist/less.min.js
+++ b/packages/less/dist/less.min.js
@@ -1,5 +1,5 @@
 /**
- * Less - Leaner CSS v4.0.0
+ * Less - Leaner CSS v4.1.0
  * http://lesscss.org
  * 
  * Copyright (c) 2009-2021, Alexis Sellier <self@cloudhead.net>
@@ -7,5 +7,5 @@
  *
  * @license Apache-2.0
  */
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g=e.mediaBlocks&&e.mediaBlocks.length||0;for(r=0;c=m[r];r++)"MixinCall"===c.type?(f=c.eval(e).filter((function(e){return!(e instanceof D&&e.variable)||!p.variable(e.name)})),m.splice.apply(m,[r,1].concat(f)),r+=f.length-1,p.resetCache()):"VariableCall"===c.type&&(f=c.eval(e).rules.filter((function(e){return!(e instanceof D&&e.variable)})),m.splice.apply(m,[r,1].concat(f)),r+=f.length-1,p.resetCache());for(r=0;c=m[r];r++)c.evalFirst||(m[r]=c=c.eval?c.eval(e):c);for(r=0;c=m[r];r++)if(c instanceof K&&c.selectors&&1===c.selectors.length&&c.selectors[0]&&c.selectors[0].isJustParentSelector()){m.splice(r--,1);for(a=0;h=c.rules[a];a++)h instanceof u&&(h.copyVisibilityInfo(c.visibilityInfo()),h instanceof D&&h.variable||m.splice(++r,0,h))}if(v.shift(),d.shift(),e.mediaBlocks)for(r=g;r<e.mediaBlocks.length;r++)e.mediaBlocks[r].bubbleSelectors(t);return p},evalImports:function(e){var t,i,n=this.rules;if(n)for(t=0;t<n.length;t++)"Import"===n[t].type&&((i=n[t].eval(e))&&(i.length||0===i.length)?(n.splice.apply(n,[t,1].concat(i)),t+=i.length-1):n.splice(t,1,i),this.resetCache())},makeImportant:function(){return new K(this.selectors,this.rules.map((function(e){return e.makeImportant?e.makeImportant():e})),this.strictImports,this.visibilityInfo())},matchArgs:function(e){return!e||0===e.length},matchCondition:function(e,t){var i=this.selectors[this.selectors.length-1];return!!i.evaldCondition&&!(i.condition&&!i.condition.eval(new q.Eval(t,t.frames)))},resetCache:function(){this._rulesets=null,this._variables=null,this._properties=null,this._lookups={}},variables:function(){return this._variables||(this._variables=this.rules?this.rules.reduce((function(e,t){if(t instanceof D&&!0===t.variable&&(e[t.name]=t),"Import"===t.type&&t.root&&t.root.variables){var i=t.root.variables();for(var n in i)i.hasOwnProperty(n)&&(e[n]=t.root.variable(n))}return e}),{}):{}),this._variables},properties:function(){return this._properties||(this._properties=this.rules?this.rules.reduce((function(e,t){if(t instanceof D&&!0!==t.variable){var i=1===t.name.length&&t.name[0]instanceof L?t.name[0].value:t.name;e["$"+i]?e["$"+i].push(t):e["$"+i]=[t]}return e}),{}):{}),this._properties},variable:function(e){var t=this.variables()[e];if(t)return this.parseValue(t)},property:function(e){var t=this.properties()[e];if(t)return this.parseValue(t)},lastDeclaration:function(){for(var e=this.rules.length;e>0;e--){var t=this.rules[e-1];if(t instanceof D)return this.parseValue(t)}},parseValue:function(e){var t=this;function i(e){return e.value instanceof j&&!e.parsed?("string"==typeof e.value.value?this.parse.parseNode(e.value.value,["value","important"],e.value.getIndex(),e.fileInfo(),(function(t,i){t&&(e.parsed=!0),i&&(e.value=i[0],e.important=i[1]||"",e.parsed=!0)})):e.parsed=!0,e):e}if(Array.isArray(e)){var n=[];return e.forEach((function(e){n.push(i.call(t,e))})),n}return i.call(t,e)},rulesets:function(){if(!this.rules)return[];var e,t,i=[],n=this.rules;for(e=0;t=n[e];e++)t.isRuleset&&i.push(t);return i},prependRule:function(e){var t=this.rules;t?t.unshift(e):this.rules=[e],this.setParent(e,this)},find:function(e,t,i){t=t||this;var n,r,s=[],o=e.toCSS();return o in this._lookups?this._lookups[o]:(this.rulesets().forEach((function(o){if(o!==t)for(var a=0;a<o.selectors.length;a++)if(n=e.match(o.selectors[a])){if(e.elements.length>n){if(!i||i(o)){r=o.find(new F(e.elements.slice(n)),t,i);for(var l=0;l<r.length;++l)r[l].path.push(o);Array.prototype.push.apply(s,r)}}else s.push({rule:o,path:[]});break}})),this._lookups[o]=s,s)},genCSS:function(e,t){var i,n,r,s,o,a=[];e.tabLevel=e.tabLevel||0,this.root||e.tabLevel++;var l,u=e.compress?"":Array(e.tabLevel+1).join("  "),c=e.compress?"":Array(e.tabLevel).join("  "),h=0,f=0;for(i=0;s=this.rules[i];i++)s instanceof U?(f===i&&f++,a.push(s)):s.isCharset&&s.isCharset()?(a.splice(h,0,s),h++,f++):"Import"===s.type?(a.splice(f,0,s),f++):a.push(s);if(a=[].concat(a),!this.root){(r=B(e,this,c))&&(t.add(r),t.add(c));var p=this.paths,v=p.length,d=void 0;for(l=e.compress?",":",\n"+c,i=0;i<v;i++)if(d=(o=p[i]).length)for(i>0&&t.add(l),e.firstSelector=!0,o[0].genCSS(e,t),e.firstSelector=!1,n=1;n<d;n++)o[n].genCSS(e,t);t.add((e.compress?"{":" {\n")+u)}for(i=0;s=a[i];i++){i+1===a.length&&(e.lastRule=!0);var m=e.lastRule;s.isRulesetLike(s)&&(e.lastRule=!1),s.genCSS?s.genCSS(e,t):s.value&&t.add(s.value.toString()),e.lastRule=m,!e.lastRule&&s.isVisible()?t.add(e.compress?"":"\n"+u):e.lastRule=!1}this.root||(t.add(e.compress?"}":"\n"+c+"}"),e.tabLevel--),t.isEmpty()||e.compress||!this.firstRoot||t.add("\n")},joinSelectors:function(e,t,i){for(var n=0;n<i.length;n++)this.joinSelector(e,t,i[n])},joinSelector:function(e,t,i){function n(e,t){var i,n;if(0===e.length)i=new p(e[0]);else{var r=new 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t=e.mediaPath,i=e.mediaBlocks,e.mediaPath=[],e.mediaBlocks=[],n&&(n=n.eval(e)),r&&((r=[r[0].eval(e)])[0].root=!0),e.mediaPath=t,e.mediaBlocks=i,new Z(this.name,n,r,this.getIndex(),this.fileInfo(),this.debugInfo,this.isRooted,this.visibilityInfo())},variable:function(e){if(this.rules)return K.prototype.variable.call(this.rules[0],e)},find:function(){if(this.rules)return K.prototype.find.apply(this.rules[0],arguments)},rulesets:function(){if(this.rules)return K.prototype.rulesets.apply(this.rules[0])},outputRuleset:function(e,t,i){var n,r=i.length;if(e.tabLevel=1+(0|e.tabLevel),e.compress){for(t.add("{"),n=0;n<r;n++)i[n].genCSS(e,t);return t.add("}"),void e.tabLevel--}var s="\n"+Array(e.tabLevel).join("  "),o=s+"  ";if(r){for(t.add(" {"+o),i[0].genCSS(e,t),n=1;n<r;n++)t.add(o),i[n].genCSS(e,t);t.add(s+"}")}else t.add(" {"+s+"}");e.tabLevel--}});var X=function(e,t){this.ruleset=e,this.frames=t,this.setParent(this.ruleset,this)};X.prototype=Object.assign(new u,{type:"DetachedRuleset",evalFirst:!0,accept:function(e){this.ruleset=e.visit(this.ruleset)},eval:function(e){var t=this.frames||k(e.frames);return new X(this.ruleset,t)},callEval:function(e){return this.ruleset.eval(this.frames?new q.Eval(e,this.frames.concat(e.frames)):e)}});var Y=function(e,t,i){this.numerator=e?k(e).sort():[],this.denominator=t?k(t).sort():[],i?this.backupUnit=i:e&&e.length&&(this.backupUnit=e[0])};Y.prototype=Object.assign(new u,{type:"Unit",clone:function(){return new Y(k(this.numerator),k(this.denominator),this.backupUnit)},genCSS:function(e,t){var i=e&&e.strictUnits;1===this.numerator.length?t.add(this.numerator[0]):!i&&this.backupUnit?t.add(this.backupUnit):!i&&this.denominator.length&&t.add(this.denominator[0])},toString:function(){var e,t=this.numerator.join("*");for(e=0;e<this.denominator.length;e++)t+="/"+this.denominator[e];return t},compare:function(e){return this.is(e.toString())?0:void 0},is:function(e){return this.toString().toUpperCase()===e.toUpperCase()},isLength:function(){return RegExp("^(px|em|ex|ch|rem|in|cm|mm|pc|pt|ex|vw|vh|vmin|vmax)$","gi").test(this.toCSS())},isEmpty:function(){return 0===this.numerator.length&&0===this.denominator.length},isSingular:function(){return this.numerator.length<=1&&0===this.denominator.length},map:function(e){var t;for(t=0;t<this.numerator.length;t++)this.numerator[t]=e(this.numerator[t],!1);for(t=0;t<this.denominator.length;t++)this.denominator[t]=e(this.denominator[t],!0)},usedUnits:function(){var e,t,i,n={};for(i in t=function(t){return e.hasOwnProperty(t)&&!n[i]&&(n[i]=t),t},a)a.hasOwnProperty(i)&&(e=a[i],this.map(t));return n},cancel:function(){var e,t,i={};for(t=0;t<this.numerator.length;t++)i[e=this.numerator[t]]=(i[e]||0)+1;for(t=0;t<this.denominator.length;t++)i[e=this.denominator[t]]=(i[e]||0)-1;for(e in this.numerator=[],this.denominator=[],i)if(i.hasOwnProperty(e)){var n=i[e];if(n>0)for(t=0;t<n;t++)this.numerator.push(e);else if(n<0)for(t=0;t<-n;t++)this.denominator.push(e)}this.numerator.sort(),this.denominator.sort()}});var ee=function(e,t){if(this.value=parseFloat(e),isNaN(this.value))throw new Error("Dimension is not a number.");this.unit=t&&t instanceof Y?t:new Y(t?[t]:void 0),this.setParent(this.unit,this)};ee.prototype=Object.assign(new u,{type:"Dimension",accept:function(e){this.unit=e.visit(this.unit)},eval:function(e){return this},toColor:function(){return new c([this.value,this.value,this.value])},genCSS:function(e,t){if(e&&e.strictUnits&&!this.unit.isSingular())throw new Error("Multiple units in dimension. Correct the units or use the unit function. Bad unit: "+this.unit.toString());var i=this.fround(e,this.value),n=String(i);if(0!==i&&i<1e-6&&i>-1e-6&&(n=i.toFixed(20).replace(/0+$/,"")),e&&e.compress){if(0===i&&this.unit.isLength())return void t.add(n);i>0&&i<1&&(n=n.substr(1))}t.add(n),this.unit.genCSS(e,t)},operate:function(e,t,i){var n=this._operate(e,t,this.value,i.value),r=this.unit.clone();if("+"===t||"-"===t)if(0===r.numerator.length&&0===r.denominator.length)r=i.unit.clone(),this.unit.backupUnit&&(r.backupUnit=this.unit.backupUnit);else if(0===i.unit.numerator.length&&0===r.denominator.length);else{if(i=i.convertTo(this.unit.usedUnits()),e.strictUnits&&i.unit.toString()!==r.toString())throw new Error("Incompatible units. Change the units or use the unit function. Bad units: '"+r.toString()+"' and '"+i.unit.toString()+"'.");n=this._operate(e,t,this.value,i.value)}else"*"===t?(r.numerator=r.numerator.concat(i.unit.numerator).sort(),r.denominator=r.denominator.concat(i.unit.denominator).sort(),r.cancel()):"/"===t&&(r.numerator=r.numerator.concat(i.unit.denominator).sort(),r.denominator=r.denominator.concat(i.unit.numerator).sort(),r.cancel());return new ee(n,r)},compare:function(e){var t,i;if(e instanceof ee){if(this.unit.isEmpty()||e.unit.isEmpty())t=this,i=e;else if(t=this.unify(),i=e.unify(),0!==t.unit.compare(i.unit))return;return u.numericCompare(t.value,i.value)}},unify:function(){return this.convertTo({length:"px",duration:"s",angle:"rad"})},convertTo:function(e){var t,i,n,r,s,o=this.value,l=this.unit.clone(),u={};if("string"==typeof e){for(t in a)a[t].hasOwnProperty(e)&&((u={})[t]=e);e=u}for(i in s=function(e,t){return n.hasOwnProperty(e)?(t?o/=n[e]/n[r]:o*=n[e]/n[r],r):e},e)e.hasOwnProperty(i)&&(r=e[i],n=a[i],l.map(s));return l.cancel(),new ee(o,l)}});var te=g,ie=function(e,t,i){this.op=e.trim(),this.operands=t,this.isSpaced=i};ie.prototype=Object.assign(new u,{type:"Operation",accept:function(e){this.operands=e.visitArray(this.operands)},eval:function(e){var t,i=this.operands[0].eval(e),n=this.operands[1].eval(e);if(e.isMathOn(this.op)){if(t="./"===this.op?"/":this.op,i instanceof ee&&n instanceof c&&(i=i.toColor()),n instanceof ee&&i instanceof c&&(n=n.toColor()),!i.operate){if(i instanceof ie&&"/"===i.op&&e.math===te.PARENS_DIVISION)return new ie(this.op,[i,n],this.isSpaced);throw{type:"Operation",message:"Operation on an invalid type"}}return i.operate(e,t,n)}return new ie(this.op,[i,n],this.isSpaced)},genCSS:function(e,t){this.operands[0].genCSS(e,t),this.isSpaced&&t.add(" "),t.add(this.op),this.isSpaced&&t.add(" "),this.operands[1].genCSS(e,t)}});var ne=function(e,t){if(this.value=e,this.noSpacing=t,!e)throw new Error("Expression requires an array parameter")};ne.prototype=Object.assign(new u,{type:"Expression",accept:function(e){this.value=e.visitArray(this.value)},eval:function(e){var t,i=e.isMathOn(),n=this.parens,r=!1;return n&&e.inParenthesis(),this.value.length>1?t=new ne(this.value.map((function(t){return t.eval?t.eval(e):t})),this.noSpacing):1===this.value.length?(!this.value[0].parens||this.value[0].parensInOp||e.inCalc||(r=!0),t=this.value[0].eval(e)):t=this,n&&e.outOfParenthesis(),!this.parens||!this.parensInOp||i||r||t instanceof ee||(t=new p(t)),t},genCSS:function(e,t){for(var i=0;i<this.value.length;i++)this.value[i].genCSS(e,t),!this.noSpacing&&i+1<this.value.length&&t.add(" ")},throwAwayComments:function(){this.value=this.value.filter((function(e){return!(e instanceof U)}))}});var re=function(){function e(e,t,i,n){this.name=e.toLowerCase(),this.index=i,this.context=t,this.currentFileInfo=n,this.func=t.frames[0].functionRegistry.get(this.name)}return e.prototype.isValid=function(){return Boolean(this.func)},e.prototype.call=function(e){var t=this;Array.isArray(e)||(e=[e]);var i=this.func.evalArgs;!1!==i&&(e=e.map((function(e){return e.eval(t.context)})));var n=function(e){return!("Comment"===e.type)};return e=e.filter(n).map((function(e){if("Expression"===e.type){var t=e.value.filter(n);return 1===t.length?t[0]:new ne(t)}return e})),!1===i?this.func.apply(this,function(){for(var e=0,t=0,i=arguments.length;t<i;t++)e+=arguments[t].length;var n=Array(e),r=0;for(t=0;t<i;t++)for(var s=arguments[t],o=0,a=s.length;o<a;o++,r++)n[r]=s[o];return n}([this.context],e)):this.func.apply(this,e)},e}(),se=function(e,t,i,n){this.name=e,this.args=t,this.calc="calc"===e,this._index=i,this._fileInfo=n};se.prototype=Object.assign(new u,{type:"Call",accept:function(e){this.args&&(this.args=e.visitArray(this.args))},eval:function(e){var t=this,i=e.mathOn;e.mathOn=!this.calc,(this.calc||e.inCalc)&&e.enterCalc();var n,r=function(){(t.calc||e.inCalc)&&e.exitCalc(),e.mathOn=i},s=new re(this.name,e,this.getIndex(),this.fileInfo());if(s.isValid())try{n=s.call(this.args),r()}catch(e){if(e.hasOwnProperty("line")&&e.hasOwnProperty("column"))throw e;throw{type:e.type||"Runtime",message:"Error evaluating function `"+this.name+"`"+(e.message?": "+e.message:""),index:this.getIndex(),filename:this.fileInfo().filename,line:e.lineNumber,column:e.columnNumber}}if(null!=n)return n instanceof u||(n=new j(n&&!0!==n?n.toString():null)),n._index=this._index,n._fileInfo=this._fileInfo,n;var o=this.args.map((function(t){return t.eval(e)}));return r(),new se(this.name,o,this.getIndex(),this.fileInfo())},genCSS:function(e,t){t.add(this.name+"(",this.fileInfo(),this.getIndex());for(var i=0;i<this.args.length;i++)this.args[i].genCSS(e,t),i+1<this.args.length&&t.add(", ");t.add(")")}});var oe=function(e,t,i){this.name=e,this._index=t,this._fileInfo=i};oe.prototype=Object.assign(new u,{type:"Variable",eval:function(e){var t,i=this.name;if(0===i.indexOf("@@")&&(i="@"+new oe(i.slice(1),this.getIndex(),this.fileInfo()).eval(e).value),this.evaluating)throw{type:"Name",message:"Recursive variable definition for "+i,filename:this.fileInfo().filename,index:this.getIndex()};if(this.evaluating=!0,t=this.find(e.frames,(function(t){var n=t.variable(i);if(n){if(n.important)e.importantScope[e.importantScope.length-1].important=n.important;return e.inCalc?new se("_SELF",[n.value]).eval(e):n.value.eval(e)}})))return this.evaluating=!1,t;throw{type:"Name",message:"variable "+i+" is undefined",filename:this.fileInfo().filename,index:this.getIndex()}},find:function(e,t){for(var i=0,n=void 0;i<e.length;i++)if(n=t.call(e,e[i]))return n;return null}});var ae=function(e,t,i){this.name=e,this._index=t,this._fileInfo=i};ae.prototype=Object.assign(new u,{type:"Property",eval:function(e){var t,i=this.name,n=e.pluginManager.less.visitors.ToCSSVisitor.prototype._mergeRules;if(this.evaluating)throw{type:"Name",message:"Recursive property reference for "+i,filename:this.fileInfo().filename,index:this.getIndex()};if(this.evaluating=!0,t=this.find(e.frames,(function(t){var r,s=t.property(i);if(s){for(var o=0;o<s.length;o++)r=s[o],s[o]=new D(r.name,r.value,r.important,r.merge,r.index,r.currentFileInfo,r.inline,r.variable);if(n(s),(r=s[s.length-1]).important)e.importantScope[e.importantScope.length-1].important=r.important;return r=r.value.eval(e)}})))return this.evaluating=!1,t;throw{type:"Name",message:"Property '"+i+"' is undefined",filename:this.currentFileInfo.filename,index:this.index}},find:function(e,t){for(var i=0,n=void 0;i<e.length;i++)if(n=t.call(e,e[i]))return n;return null}});var le=function(e,t,i){this.key=e,this.op=t,this.value=i};le.prototype=Object.assign(new u,{type:"Attribute",eval:function(e){return new le(this.key.eval?this.key.eval(e):this.key,this.op,this.value&&this.value.eval?this.value.eval(e):this.value)},genCSS:function(e,t){t.add(this.toCSS(e))},toCSS:function(e){var t=this.key.toCSS?this.key.toCSS(e):this.key;return this.op&&(t+=this.op,t+=this.value.toCSS?this.value.toCSS(e):this.value),"["+t+"]"}});var ue=function(e,t,i,n,r){this.escaped=null==i||i,this.value=t||"",this.quote=e.charAt(0),this._index=n,this._fileInfo=r,this.variableRegex=/@\{([\w-]+)\}/g,this.propRegex=/\$\{([\w-]+)\}/g,this.allowRoot=i};ue.prototype=Object.assign(new u,{type:"Quoted",genCSS:function(e,t){this.escaped||t.add(this.quote,this.fileInfo(),this.getIndex()),t.add(this.value),this.escaped||t.add(this.quote)},containsVariables:function(){return this.value.match(this.variableRegex)},eval:function(e){var t=this,i=this.value;function n(e,t,i){var n=e;do{e=n.toString(),n=e.replace(t,i)}while(e!==n);return n}return i=n(i,this.variableRegex,(function(i,n){var r=new oe("@"+n,t.getIndex(),t.fileInfo()).eval(e,!0);return r instanceof ue?r.value:r.toCSS()})),i=n(i,this.propRegex,(function(i,n){var r=new ae("$"+n,t.getIndex(),t.fileInfo()).eval(e,!0);return r instanceof ue?r.value:r.toCSS()})),new ue(this.quote+i+this.quote,i,this.escaped,this.getIndex(),this.fileInfo())},compare:function(e){return"Quoted"!==e.type||this.escaped||e.escaped?e.toCSS&&this.toCSS()===e.toCSS()?0:void 0:u.numericCompare(this.value,e.value)}});var ce=function(e,t,i,n){this.value=e,this._index=t,this._fileInfo=i,this.isEvald=n};ce.prototype=Object.assign(new u,{type:"Url",accept:function(e){this.value=e.visit(this.value)},genCSS:function(e,t){t.add("url("),this.value.genCSS(e,t),t.add(")")},eval:function(e){var t,i=this.value.eval(e);if(!this.isEvald&&("string"==typeof(t=this.fileInfo()&&this.fileInfo().rootpath)&&"string"==typeof i.value&&e.pathRequiresRewrite(i.value)?(i.quote||(t=t.replace(/[\(\)'"\s]/g,(function(e){return"\\"+e}))),i.value=e.rewritePath(i.value,t)):i.value=e.normalizePath(i.value),e.urlArgs&&!i.value.match(/^\s*data:/))){var n=(-1===i.value.indexOf("?")?"?":"&")+e.urlArgs;-1!==i.value.indexOf("#")?i.value=i.value.replace("#",n+"#"):i.value+=n}return new ce(i,this.getIndex(),this.fileInfo(),!0)}});var he=function(e,t,i,n,r){this._index=i,this._fileInfo=n;var s=new F([],null,null,this._index,this._fileInfo).createEmptySelectors();this.features=new $(t),this.rules=[new K(s,e)],this.rules[0].allowImports=!0,this.copyVisibilityInfo(r),this.allowRoot=!0,this.setParent(s,this),this.setParent(this.features,this),this.setParent(this.rules,this)};he.prototype=Object.assign(new Z,{type:"Media",isRulesetLike:function(){return!0},accept:function(e){this.features&&(this.features=e.visit(this.features)),this.rules&&(this.rules=e.visitArray(this.rules))},genCSS:function(e,t){t.add("@media ",this._fileInfo,this._index),this.features.genCSS(e,t),this.outputRuleset(e,t,this.rules)},eval:function(e){e.mediaBlocks||(e.mediaBlocks=[],e.mediaPath=[]);var t=new he(null,[],this._index,this._fileInfo,this.visibilityInfo());return this.debugInfo&&(this.rules[0].debugInfo=this.debugInfo,t.debugInfo=this.debugInfo),t.features=this.features.eval(e),e.mediaPath.push(t),e.mediaBlocks.push(t),this.rules[0].functionRegistry=e.frames[0].functionRegistry.inherit(),e.frames.unshift(this.rules[0]),t.rules=[this.rules[0].eval(e)],e.frames.shift(),e.mediaPath.pop(),0===e.mediaPath.length?t.evalTop(e):t.evalNested(e)},evalTop:function(e){var t=this;if(e.mediaBlocks.length>1){var i=new F([],null,null,this.getIndex(),this.fileInfo()).createEmptySelectors();(t=new K(i,e.mediaBlocks)).multiMedia=!0,t.copyVisibilityInfo(this.visibilityInfo()),this.setParent(t,this)}return delete e.mediaBlocks,delete e.mediaPath,t},evalNested:function(e){var t,i,n=e.mediaPath.concat([this]);for(t=0;t<n.length;t++)i=n[t].features instanceof $?n[t].features.value:n[t].features,n[t]=Array.isArray(i)?i:[i];return this.features=new $(this.permute(n).map((function(e){for(e=e.map((function(e){return e.toCSS?e:new 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u,{type:"Import",accept:function(e){this.features&&(this.features=e.visit(this.features)),this.path=e.visit(this.path),this.options.isPlugin||this.options.inline||!this.root||(this.root=e.visit(this.root))},genCSS:function(e,t){this.css&&void 0===this.path._fileInfo.reference&&(t.add("@import ",this._fileInfo,this._index),this.path.genCSS(e,t),this.features&&(t.add(" "),this.features.genCSS(e,t)),t.add(";"))},getPath:function(){return this.path instanceof ce?this.path.value.value:this.path.value},isVariableImport:function(){var e=this.path;return e instanceof ce&&(e=e.value),!(e instanceof ue)||e.containsVariables()},evalForImport:function(e){var t=this.path;return t instanceof ce&&(t=t.value),new fe(t.eval(e),this.features,this.options,this._index,this._fileInfo,this.visibilityInfo())},evalPath:function(e){var t=this.path.eval(e),i=this._fileInfo;if(!(t instanceof ce)){var n=t.value;i&&n&&e.pathRequiresRewrite(n)?t.value=e.rewritePath(n,i.rootpath):t.value=e.normalizePath(t.value)}return t},eval:function(e){var t=this.doEval(e);return(this.options.reference||this.blocksVisibility())&&(t.length||0===t.length?t.forEach((function(e){e.addVisibilityBlock()})):t.addVisibilityBlock()),t},doEval:function(e){var t,i,n=this.features&&this.features.eval(e);if(this.options.isPlugin){if(this.root&&this.root.eval)try{this.root.eval(e)}catch(e){throw e.message="Plugin error during evaluation",new O(e,this.root.imports,this.root.filename)}return(i=e.frames[0]&&e.frames[0].functionRegistry)&&this.root&&this.root.functions&&i.addMultiple(this.root.functions),[]}if(this.skip&&("function"==typeof this.skip&&(this.skip=this.skip()),this.skip))return[];if(this.options.inline){var r=new j(this.root,0,{filename:this.importedFilename,reference:this.path._fileInfo&&this.path._fileInfo.reference},!0,!0);return this.features?new he([r],this.features.value):[r]}if(this.css){var s=new fe(this.evalPath(e),n,this.options,this._index);if(!s.css&&this.error)throw this.error;return s}return this.root?((t=new K(null,k(this.root.rules))).evalImports(e),this.features?new he(t.rules,this.features.value):t.rules):[]}});var pe=function(){};pe.prototype=Object.assign(new u,{evaluateJavaScript:function(e,t){var i,n=this,r={};if(!t.javascriptEnabled)throw{message:"Inline JavaScript is not enabled. Is it set in your options?",filename:this.fileInfo().filename,index:this.getIndex()};e=e.replace(/@\{([\w-]+)\}/g,(function(e,i){return n.jsify(new oe("@"+i,n.getIndex(),n.fileInfo()).eval(t))}));try{e=new Function("return ("+e+")")}catch(t){throw{message:"JavaScript evaluation error: "+t.message+" from `"+e+"`",filename:this.fileInfo().filename,index:this.getIndex()}}var s=t.frames[0].variables();for(var o in s)s.hasOwnProperty(o)&&(r[o.slice(1)]={value:s[o].value,toJS:function(){return this.value.eval(t).toCSS()}});try{i=e.call(r)}catch(e){throw{message:"JavaScript evaluation error: '"+e.name+": "+e.message.replace(/["]/g,"'")+"'",filename:this.fileInfo().filename,index:this.getIndex()}}return i},jsify:function(e){return Array.isArray(e.value)&&e.value.length>1?"["+e.value.map((function(e){return e.toCSS()})).join(", ")+"]":e.toCSS()}});var ve=function(e,t,i,n){this.escaped=t,this.expression=e,this._index=i,this._fileInfo=n};ve.prototype=Object.assign(new pe,{type:"JavaScript",eval:function(e){var t=this.evaluateJavaScript(this.expression,e),i=typeof t;return"number"!==i||isNaN(t)?"string"===i?new ue('"'+t+'"',t,this.escaped,this._index):Array.isArray(t)?new j(t.join(", ")):new j(t):new ee(t)}});var de=function(e,t){this.key=e,this.value=t};de.prototype=Object.assign(new u,{type:"Assignment",accept:function(e){this.value=e.visit(this.value)},eval:function(e){return this.value.eval?new de(this.key,this.value.eval(e)):this},genCSS:function(e,t){t.add(this.key+"="),this.value.genCSS?this.value.genCSS(e,t):t.add(this.value)}});var me=function(e,t,i,n,r){this.op=e.trim(),this.lvalue=t,this.rvalue=i,this._index=n,this.negate=r};me.prototype=Object.assign(new u,{type:"Condition",accept:function(e){this.lvalue=e.visit(this.lvalue),this.rvalue=e.visit(this.rvalue)},eval:function(e){var t=function(e,t,i){switch(e){case"and":return t&&i;case"or":return t||i;default:switch(u.compare(t,i)){case-1:return"<"===e||"=<"===e||"<="===e;case 0:return"="===e||">="===e||"=<"===e||"<="===e;case 1:return">"===e||">="===e;default:return!1}}}(this.op,this.lvalue.eval(e),this.rvalue.eval(e));return this.negate?!t:t}});var ge=function(e){this.value=e};ge.prototype=Object.assign(new u,{type:"UnicodeDescriptor"});var ye=function(e){this.value=e};ye.prototype=Object.assign(new u,{type:"Negative",genCSS:function(e,t){t.add("-"),this.value.genCSS(e,t)},eval:function(e){return e.isMathOn()?new ie("*",[new ee(-1),this.value]).eval(e):new ye(this.value.eval(e))}});var be=function(e,t,i,n,r){switch(this.selector=e,this.option=t,this.object_id=be.next_id++,this.parent_ids=[this.object_id],this._index=i,this._fileInfo=n,this.copyVisibilityInfo(r),this.allowRoot=!0,t){case"all":this.allowBefore=!0,this.allowAfter=!0;break;default:this.allowBefore=!1,this.allowAfter=!1}this.setParent(this.selector,this)};be.prototype=Object.assign(new u,{type:"Extend",accept:function(e){this.selector=e.visit(this.selector)},eval:function(e){return new be(this.selector.eval(e),this.option,this.getIndex(),this.fileInfo(),this.visibilityInfo())},clone:function(e){return new be(this.selector,this.option,this.getIndex(),this.fileInfo(),this.visibilityInfo())},findSelfSelectors:function(e){var t,i,n=[];for(t=0;t<e.length;t++)i=e[t].elements,t>0&&i.length&&""===i[0].combinator.value&&(i[0].combinator.value=" "),n=n.concat(e[t].elements);this.selfSelectors=[new F(n)],this.selfSelectors[0].copyVisibilityInfo(this.visibilityInfo())}}),be.next_id=0;var we=function(e,t,i){this.variable=e,this._index=t,this._fileInfo=i,this.allowRoot=!0};we.prototype=Object.assign(new u,{type:"VariableCall",eval:function(e){var t,i=new oe(this.variable,this.getIndex(),this.fileInfo()).eval(e),n=new O({message:"Could not evaluate variable call "+this.variable});if(!i.ruleset){if(i.rules)t=i;else if(Array.isArray(i))t=new K("",i);else{if(!Array.isArray(i.value))throw n;t=new K("",i.value)}i=new X(t)}if(i.ruleset)return i.callEval(e);throw n}});var xe=function(e,t,i,n){this.value=e,this.lookups=t,this._index=i,this._fileInfo=n};xe.prototype=Object.assign(new u,{type:"NamespaceValue",eval:function(e){var t,i,n=this.value.eval(e);for(t=0;t<this.lookups.length;t++){if(i=this.lookups[t],Array.isArray(n)&&(n=new K([new F],n)),""===i)n=n.lastDeclaration();else if("@"===i.charAt(0)){if("@"===i.charAt(1)&&(i="@"+new oe(i.substr(1)).eval(e).value),n.variables&&(n=n.variable(i)),!n)throw{type:"Name",message:"variable "+i+" not found",filename:this.fileInfo().filename,index:this.getIndex()}}else{if(i="$@"===i.substring(0,2)?"$"+new oe(i.substr(1)).eval(e).value:"$"===i.charAt(0)?i:"$"+i,n.properties&&(n=n.property(i)),!n)throw{type:"Name",message:'property "'+i.substr(1)+'" not found',filename:this.fileInfo().filename,index:this.getIndex()};n=n[n.length-1]}n.value&&(n=n.eval(e).value),n.ruleset&&(n=n.ruleset.eval(e))}return n}});var Se=function(e,t,i,n,r,s,o){this.name=e||"anonymous mixin",this.selectors=[new F([new m(null,e,!1,this._index,this._fileInfo)])],this.params=t,this.condition=n,this.variadic=r,this.arity=t.length,this.rules=i,this._lookups={};var a=[];this.required=t.reduce((function(e,t){return!t.name||t.name&&!t.value?e+1:(a.push(t.name),e)}),0),this.optionalParameters=a,this.frames=s,this.copyVisibilityInfo(o),this.allowRoot=!0};Se.prototype=Object.assign(new K,{type:"MixinDefinition",evalFirst:!0,accept:function(e){this.params&&this.params.length&&(this.params=e.visitArray(this.params)),this.rules=e.visitArray(this.rules),this.condition&&(this.condition=e.visit(this.condition))},evalParams:function(e,t,i,n){var r,s,o,a,l,u,c,h,f=new K(null,null),p=k(this.params),v=0;if(t.frames&&t.frames[0]&&t.frames[0].functionRegistry&&(f.functionRegistry=t.frames[0].functionRegistry.inherit()),t=new q.Eval(t,[f].concat(t.frames)),i)for(v=(i=k(i)).length,o=0;o<v;o++)if(u=(s=i[o])&&s.name){for(c=!1,a=0;a<p.length;a++)if(!n[a]&&u===p[a].name){n[a]=s.value.eval(e),f.prependRule(new 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Se(this.name,this.params,this.rules,this.condition,this.variadic,this.frames||k(e.frames))},evalCall:function(e,t,i){var n,r,s=[],o=this.frames?this.frames.concat(e.frames):e.frames,a=this.evalParams(e,new q.Eval(e,o),t,s);return a.prependRule(new D("@arguments",new ne(s).eval(e))),n=k(this.rules),(r=new K(null,n)).originalRuleset=this,r=r.eval(new q.Eval(e,[this,a].concat(o))),i&&(r=r.makeImportant()),r},matchCondition:function(e,t){return!(this.condition&&!this.condition.eval(new q.Eval(t,[this.evalParams(t,new q.Eval(t,this.frames?this.frames.concat(t.frames):t.frames),e,[])].concat(this.frames||[]).concat(t.frames))))},matchArgs:function(e,t){var i,n=e&&e.length||0,r=this.optionalParameters,s=e?e.reduce((function(e,t){return r.indexOf(t.name)<0?e+1:e}),0):0;if(this.variadic){if(s<this.required-1)return!1}else{if(s<this.required)return!1;if(n>this.params.length)return!1}i=Math.min(s,this.arity);for(var o=0;o<i;o++)if(!this.params[o].name&&!this.params[o].variadic&&e[o].value.eval(t).toCSS()!=this.params[o].value.eval(t).toCSS())return!1;return!0}});var Ie=function(e,t,i,n,r){this.selector=new F(e),this.arguments=t||[],this._index=i,this._fileInfo=n,this.important=r,this.allowRoot=!0,this.setParent(this.selector,this)};Ie.prototype=Object.assign(new u,{type:"MixinCall",accept:function(e){this.selector&&(this.selector=e.visit(this.selector)),this.arguments.length&&(this.arguments=e.visitArray(this.arguments))},eval:function(e){var t,i,n,r,s,o,a,l,u,c,h,f,p,v,d,m=[],g=[],y=!1,b=[],w=[];function x(t,i){var n,r,s;for(n=0;n<2;n++){for(w[n]=!0,Q.value(n),r=0;r<i.length&&w[n];r++)(s=i[r]).matchCondition&&(w[n]=w[n]&&s.matchCondition(null,e));t.matchCondition&&(w[n]=w[n]&&t.matchCondition(m,e))}return w[0]||w[1]?w[0]!=w[1]?w[1]?1:2:0:-1}for(this.selector=this.selector.eval(e),o=0;o<this.arguments.length;o++)if(s=(r=this.arguments[o]).value.eval(e),r.expand&&Array.isArray(s.value))for(s=s.value,a=0;a<s.length;a++)m.push({value:s[a]});else m.push({name:r.name,value:s});for(d=function(t){return t.matchArgs(null,e)},o=0;o<e.frames.length;o++)if((t=e.frames[o].find(this.selector,null,d)).length>0){for(c=!0,a=0;a<t.length;a++){for(i=t[a].rule,n=t[a].path,u=!1,l=0;l<e.frames.length;l++)if(!(i instanceof Se)&&i===(e.frames[l].originalRuleset||e.frames[l])){u=!0;break}u||i.matchArgs(m,e)&&(-1!==(h={mixin:i,group:x(i,n)}).group&&b.push(h),y=!0)}for(Q.reset(),p=[0,0,0],a=0;a<b.length;a++)p[b[a].group]++;if(p[0]>0)f=2;else if(f=1,p[1]+p[2]>1)throw{type:"Runtime",message:"Ambiguous use of `default()` found when matching for `"+this.format(m)+"`",index:this.getIndex(),filename:this.fileInfo().filename};for(a=0;a<b.length;a++)if(0===(h=b[a].group)||h===f)try{(i=b[a].mixin)instanceof 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t,i,n=this.elements,r=n.length;if(0===(t=(e=e.mixinElements()).length)||r<t)return 0;for(i=0;i<t;i++)if(n[i].value!==e[i])return 0;return t},mixinElements:function(){if(this.mixinElements_)return this.mixinElements_;var e=this.elements.map((function(e){return e.combinator.value+(e.value.value||e.value)})).join("").match(/[,&#\*\.\w-]([\w-]|(\\.))*/g);return e?"&"===e[0]&&e.shift():e=[],this.mixinElements_=e},isJustParentSelector:function(){return!this.mediaEmpty&&1===this.elements.length&&"&"===this.elements[0].value&&(" "===this.elements[0].combinator.value||""===this.elements[0].combinator.value)},eval:function(e){var t=this.condition&&this.condition.eval(e),i=this.elements,n=this.extendList;return i=i&&i.map((function(t){return t.eval(e)})),n=n&&n.map((function(t){return t.eval(e)})),this.createDerived(i,n,t)},genCSS:function(e,t){var i;for(e&&e.firstSelector||""!==this.elements[0].combinator.value||t.add(" 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j=function(e,t,i,n,r,s){this.value=e,this._index=t,this._fileInfo=i,this.mapLines=n,this.rulesetLike=void 0!==r&&r,this.allowRoot=!0,this.copyVisibilityInfo(s)};j.prototype=Object.assign(new u,{type:"Anonymous",eval:function(){return new j(this.value,this._index,this._fileInfo,this.mapLines,this.rulesetLike,this.visibilityInfo())},compare:function(e){return e.toCSS&&this.toCSS()===e.toCSS()?0:void 0},isRulesetLike:function(){return this.rulesetLike},genCSS:function(e,t){this.nodeVisible=Boolean(this.value),this.nodeVisible&&t.add(this.value,this._fileInfo,this._index,this.mapLines)}});var N=g;var D=function(e,t,i,n,r,s,o,a){this.name=e,this.value=t instanceof u?t:new $([t?new j(t):null]),this.important=i?" 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a=0;a<n.elements.length;a++)if(n.elements[a].isVariable){s=!0;break}t[r]=n,n.evaldCondition&&(o=!0)}if(s){var l=new Array(i);for(r=0;r<i;r++)n=t[r],l[r]=n.toCSS(e);this.parse.parseNode(l.join(","),["selectors"],t[0].getIndex(),t[0].fileInfo(),(function(e,i){i&&(t=E(i))}))}Q.reset()}else o=!0;var c,h,f=this.rules?k(this.rules):null,p=new K(t,f,this.strictImports,this.visibilityInfo());p.originalRuleset=this,p.root=this.root,p.firstRoot=this.firstRoot,p.allowImports=this.allowImports,this.debugInfo&&(p.debugInfo=this.debugInfo),o||(f.length=0),p.functionRegistry=function(e){for(var t,i=0,n=e.length;i!==n;++i)if(t=e[i].functionRegistry)return t;return H}(e.frames).inherit();var v=e.frames;v.unshift(p);var d=e.selectors;d||(e.selectors=d=[]),d.unshift(this.selectors),(p.root||p.allowImports||!p.strictImports)&&p.evalImports(e);var m=p.rules;for(r=0;c=m[r];r++)c.evalFirst&&(m[r]=c.eval(e));var g=e.mediaBlocks&&e.mediaBlocks.length||0;for(r=0;c=m[r];r++)"MixinCall"===c.type?(f=c.eval(e).filter((function(e){return!(e instanceof D&&e.variable)||!p.variable(e.name)})),m.splice.apply(m,[r,1].concat(f)),r+=f.length-1,p.resetCache()):"VariableCall"===c.type&&(f=c.eval(e).rules.filter((function(e){return!(e instanceof D&&e.variable)})),m.splice.apply(m,[r,1].concat(f)),r+=f.length-1,p.resetCache());for(r=0;c=m[r];r++)c.evalFirst||(m[r]=c=c.eval?c.eval(e):c);for(r=0;c=m[r];r++)if(c instanceof K&&c.selectors&&1===c.selectors.length&&c.selectors[0]&&c.selectors[0].isJustParentSelector()){m.splice(r--,1);for(a=0;h=c.rules[a];a++)h instanceof u&&(h.copyVisibilityInfo(c.visibilityInfo()),h instanceof D&&h.variable||m.splice(++r,0,h))}if(v.shift(),d.shift(),e.mediaBlocks)for(r=g;r<e.mediaBlocks.length;r++)e.mediaBlocks[r].bubbleSelectors(t);return p},evalImports:function(e){var 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Correct the units or use the unit function. Bad unit: "+this.unit.toString());var i=this.fround(e,this.value),n=String(i);if(0!==i&&i<1e-6&&i>-1e-6&&(n=i.toFixed(20).replace(/0+$/,"")),e&&e.compress){if(0===i&&this.unit.isLength())return void t.add(n);i>0&&i<1&&(n=n.substr(1))}t.add(n),this.unit.genCSS(e,t)},operate:function(e,t,i){var n=this._operate(e,t,this.value,i.value),r=this.unit.clone();if("+"===t||"-"===t)if(0===r.numerator.length&&0===r.denominator.length)r=i.unit.clone(),this.unit.backupUnit&&(r.backupUnit=this.unit.backupUnit);else if(0===i.unit.numerator.length&&0===r.denominator.length);else{if(i=i.convertTo(this.unit.usedUnits()),e.strictUnits&&i.unit.toString()!==r.toString())throw new Error("Incompatible units. Change the units or use the unit function. Bad units: '"+r.toString()+"' and '"+i.unit.toString()+"'.");n=this._operate(e,t,this.value,i.value)}else"*"===t?(r.numerator=r.numerator.concat(i.unit.numerator).sort(),r.denominator=r.denominator.concat(i.unit.denominator).sort(),r.cancel()):"/"===t&&(r.numerator=r.numerator.concat(i.unit.denominator).sort(),r.denominator=r.denominator.concat(i.unit.numerator).sort(),r.cancel());return new ee(n,r)},compare:function(e){var t,i;if(e instanceof ee){if(this.unit.isEmpty()||e.unit.isEmpty())t=this,i=e;else if(t=this.unify(),i=e.unify(),0!==t.unit.compare(i.unit))return;return u.numericCompare(t.value,i.value)}},unify:function(){return this.convertTo({length:"px",duration:"s",angle:"rad"})},convertTo:function(e){var t,i,n,r,s,o=this.value,l=this.unit.clone(),u={};if("string"==typeof e){for(t in a)a[t].hasOwnProperty(e)&&((u={})[t]=e);e=u}for(i in s=function(e,t){return n.hasOwnProperty(e)?(t?o/=n[e]/n[r]:o*=n[e]/n[r],r):e},e)e.hasOwnProperty(i)&&(r=e[i],n=a[i],l.map(s));return l.cancel(),new ee(o,l)}});var te=g,ie=function(e,t,i){this.op=e.trim(),this.operands=t,this.isSpaced=i};ie.prototype=Object.assign(new u,{type:"Operation",accept:function(e){this.operands=e.visitArray(this.operands)},eval:function(e){var t,i=this.operands[0].eval(e),n=this.operands[1].eval(e);if(e.isMathOn(this.op)){if(t="./"===this.op?"/":this.op,i instanceof ee&&n instanceof c&&(i=i.toColor()),n instanceof ee&&i instanceof c&&(n=n.toColor()),!i.operate){if(i instanceof ie&&"/"===i.op&&e.math===te.PARENS_DIVISION)return new ie(this.op,[i,n],this.isSpaced);throw{type:"Operation",message:"Operation on an invalid type"}}return i.operate(e,t,n)}return new ie(this.op,[i,n],this.isSpaced)},genCSS:function(e,t){this.operands[0].genCSS(e,t),this.isSpaced&&t.add(" "),t.add(this.op),this.isSpaced&&t.add(" "),this.operands[1].genCSS(e,t)}});var ne=function(e,t){if(this.value=e,this.noSpacing=t,!e)throw new Error("Expression requires an array parameter")};ne.prototype=Object.assign(new u,{type:"Expression",accept:function(e){this.value=e.visitArray(this.value)},eval:function(e){var t,i=e.isMathOn(),n=this.parens,r=!1;return n&&e.inParenthesis(),this.value.length>1?t=new ne(this.value.map((function(t){return t.eval?t.eval(e):t})),this.noSpacing):1===this.value.length?(!this.value[0].parens||this.value[0].parensInOp||e.inCalc||(r=!0),t=this.value[0].eval(e)):t=this,n&&e.outOfParenthesis(),!this.parens||!this.parensInOp||i||r||t instanceof ee||(t=new p(t)),t},genCSS:function(e,t){for(var i=0;i<this.value.length;i++)this.value[i].genCSS(e,t),!this.noSpacing&&i+1<this.value.length&&t.add(" ")},throwAwayComments:function(){this.value=this.value.filter((function(e){return!(e instanceof U)}))}});var re=function(){function e(e,t,i,n){this.name=e.toLowerCase(),this.index=i,this.context=t,this.currentFileInfo=n,this.func=t.frames[0].functionRegistry.get(this.name)}return e.prototype.isValid=function(){return Boolean(this.func)},e.prototype.call=function(e){var t=this;Array.isArray(e)||(e=[e]);var i=this.func.evalArgs;!1!==i&&(e=e.map((function(e){return e.eval(t.context)})));var n=function(e){return!("Comment"===e.type)};return e=e.filter(n).map((function(e){if("Expression"===e.type){var t=e.value.filter(n);return 1===t.length?t[0]:new ne(t)}return e})),!1===i?this.func.apply(this,function(){for(var e=0,t=0,i=arguments.length;t<i;t++)e+=arguments[t].length;var n=Array(e),r=0;for(t=0;t<i;t++)for(var s=arguments[t],o=0,a=s.length;o<a;o++,r++)n[r]=s[o];return n}([this.context],e)):this.func.apply(this,e)},e}(),se=function(e,t,i,n){this.name=e,this.args=t,this.calc="calc"===e,this._index=i,this._fileInfo=n};se.prototype=Object.assign(new u,{type:"Call",accept:function(e){this.args&&(this.args=e.visitArray(this.args))},eval:function(e){var t=this,i=e.mathOn;e.mathOn=!this.calc,(this.calc||e.inCalc)&&e.enterCalc();var n,r=function(){(t.calc||e.inCalc)&&e.exitCalc(),e.mathOn=i},s=new re(this.name,e,this.getIndex(),this.fileInfo());if(s.isValid())try{n=s.call(this.args),r()}catch(e){if(e.hasOwnProperty("line")&&e.hasOwnProperty("column"))throw e;throw{type:e.type||"Runtime",message:"Error evaluating function `"+this.name+"`"+(e.message?": "+e.message:""),index:this.getIndex(),filename:this.fileInfo().filename,line:e.lineNumber,column:e.columnNumber}}if(null!=n)return n instanceof u||(n=new j(n&&!0!==n?n.toString():null)),n._index=this._index,n._fileInfo=this._fileInfo,n;var o=this.args.map((function(t){return t.eval(e)}));return r(),new se(this.name,o,this.getIndex(),this.fileInfo())},genCSS:function(e,t){t.add(this.name+"(",this.fileInfo(),this.getIndex());for(var i=0;i<this.args.length;i++)this.args[i].genCSS(e,t),i+1<this.args.length&&t.add(", ");t.add(")")}});var oe=function(e,t,i){this.name=e,this._index=t,this._fileInfo=i};oe.prototype=Object.assign(new u,{type:"Variable",eval:function(e){var t,i=this.name;if(0===i.indexOf("@@")&&(i="@"+new oe(i.slice(1),this.getIndex(),this.fileInfo()).eval(e).value),this.evaluating)throw{type:"Name",message:"Recursive variable definition for "+i,filename:this.fileInfo().filename,index:this.getIndex()};if(this.evaluating=!0,t=this.find(e.frames,(function(t){var n=t.variable(i);if(n){if(n.important)e.importantScope[e.importantScope.length-1].important=n.important;return e.inCalc?new se("_SELF",[n.value]).eval(e):n.value.eval(e)}})))return this.evaluating=!1,t;throw{type:"Name",message:"variable "+i+" is undefined",filename:this.fileInfo().filename,index:this.getIndex()}},find:function(e,t){for(var i=0,n=void 0;i<e.length;i++)if(n=t.call(e,e[i]))return n;return null}});var ae=function(e,t,i){this.name=e,this._index=t,this._fileInfo=i};ae.prototype=Object.assign(new u,{type:"Property",eval:function(e){var t,i=this.name,n=e.pluginManager.less.visitors.ToCSSVisitor.prototype._mergeRules;if(this.evaluating)throw{type:"Name",message:"Recursive property reference for "+i,filename:this.fileInfo().filename,index:this.getIndex()};if(this.evaluating=!0,t=this.find(e.frames,(function(t){var r,s=t.property(i);if(s){for(var o=0;o<s.length;o++)r=s[o],s[o]=new D(r.name,r.value,r.important,r.merge,r.index,r.currentFileInfo,r.inline,r.variable);if(n(s),(r=s[s.length-1]).important)e.importantScope[e.importantScope.length-1].important=r.important;return r=r.value.eval(e)}})))return this.evaluating=!1,t;throw{type:"Name",message:"Property '"+i+"' is undefined",filename:this.currentFileInfo.filename,index:this.index}},find:function(e,t){for(var i=0,n=void 0;i<e.length;i++)if(n=t.call(e,e[i]))return n;return null}});var le=function(e,t,i){this.key=e,this.op=t,this.value=i};le.prototype=Object.assign(new u,{type:"Attribute",eval:function(e){return new le(this.key.eval?this.key.eval(e):this.key,this.op,this.value&&this.value.eval?this.value.eval(e):this.value)},genCSS:function(e,t){t.add(this.toCSS(e))},toCSS:function(e){var t=this.key.toCSS?this.key.toCSS(e):this.key;return this.op&&(t+=this.op,t+=this.value.toCSS?this.value.toCSS(e):this.value),"["+t+"]"}});var ue=function(e,t,i,n,r){this.escaped=null==i||i,this.value=t||"",this.quote=e.charAt(0),this._index=n,this._fileInfo=r,this.variableRegex=/@\{([\w-]+)\}/g,this.propRegex=/\$\{([\w-]+)\}/g,this.allowRoot=i};ue.prototype=Object.assign(new u,{type:"Quoted",genCSS:function(e,t){this.escaped||t.add(this.quote,this.fileInfo(),this.getIndex()),t.add(this.value),this.escaped||t.add(this.quote)},containsVariables:function(){return this.value.match(this.variableRegex)},eval:function(e){var t=this,i=this.value;function n(e,t,i){var n=e;do{e=n.toString(),n=e.replace(t,i)}while(e!==n);return n}return i=n(i,this.variableRegex,(function(i,n){var r=new oe("@"+n,t.getIndex(),t.fileInfo()).eval(e,!0);return r instanceof ue?r.value:r.toCSS()})),i=n(i,this.propRegex,(function(i,n){var r=new ae("$"+n,t.getIndex(),t.fileInfo()).eval(e,!0);return r instanceof ue?r.value:r.toCSS()})),new ue(this.quote+i+this.quote,i,this.escaped,this.getIndex(),this.fileInfo())},compare:function(e){return"Quoted"!==e.type||this.escaped||e.escaped?e.toCSS&&this.toCSS()===e.toCSS()?0:void 0:u.numericCompare(this.value,e.value)}});var ce=function(e,t,i,n){this.value=e,this._index=t,this._fileInfo=i,this.isEvald=n};ce.prototype=Object.assign(new u,{type:"Url",accept:function(e){this.value=e.visit(this.value)},genCSS:function(e,t){t.add("url("),this.value.genCSS(e,t),t.add(")")},eval:function(e){var t,i=this.value.eval(e);if(!this.isEvald&&("string"==typeof(t=this.fileInfo()&&this.fileInfo().rootpath)&&"string"==typeof i.value&&e.pathRequiresRewrite(i.value)?(i.quote||(t=t.replace(/[\(\)'"\s]/g,(function(e){return"\\"+e}))),i.value=e.rewritePath(i.value,t)):i.value=e.normalizePath(i.value),e.urlArgs&&!i.value.match(/^\s*data:/))){var n=(-1===i.value.indexOf("?")?"?":"&")+e.urlArgs;-1!==i.value.indexOf("#")?i.value=i.value.replace("#",n+"#"):i.value+=n}return new ce(i,this.getIndex(),this.fileInfo(),!0)}});var he=function(e,t,i,n,r){this._index=i,this._fileInfo=n;var s=new F([],null,null,this._index,this._fileInfo).createEmptySelectors();this.features=new $(t),this.rules=[new K(s,e)],this.rules[0].allowImports=!0,this.copyVisibilityInfo(r),this.allowRoot=!0,this.setParent(s,this),this.setParent(this.features,this),this.setParent(this.rules,this)};he.prototype=Object.assign(new Z,{type:"Media",isRulesetLike:function(){return!0},accept:function(e){this.features&&(this.features=e.visit(this.features)),this.rules&&(this.rules=e.visitArray(this.rules))},genCSS:function(e,t){t.add("@media ",this._fileInfo,this._index),this.features.genCSS(e,t),this.outputRuleset(e,t,this.rules)},eval:function(e){e.mediaBlocks||(e.mediaBlocks=[],e.mediaPath=[]);var t=new he(null,[],this._index,this._fileInfo,this.visibilityInfo());return this.debugInfo&&(this.rules[0].debugInfo=this.debugInfo,t.debugInfo=this.debugInfo),t.features=this.features.eval(e),e.mediaPath.push(t),e.mediaBlocks.push(t),this.rules[0].functionRegistry=e.frames[0].functionRegistry.inherit(),e.frames.unshift(this.rules[0]),t.rules=[this.rules[0].eval(e)],e.frames.shift(),e.mediaPath.pop(),0===e.mediaPath.length?t.evalTop(e):t.evalNested(e)},evalTop:function(e){var t=this;if(e.mediaBlocks.length>1){var i=new F([],null,null,this.getIndex(),this.fileInfo()).createEmptySelectors();(t=new K(i,e.mediaBlocks)).multiMedia=!0,t.copyVisibilityInfo(this.visibilityInfo()),this.setParent(t,this)}return delete e.mediaBlocks,delete e.mediaPath,t},evalNested:function(e){var t,i,n=e.mediaPath.concat([this]);for(t=0;t<n.length;t++)i=n[t].features instanceof $?n[t].features.value:n[t].features,n[t]=Array.isArray(i)?i:[i];return this.features=new $(this.permute(n).map((function(e){for(e=e.map((function(e){return e.toCSS?e:new 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u,{type:"Import",accept:function(e){this.features&&(this.features=e.visit(this.features)),this.path=e.visit(this.path),this.options.isPlugin||this.options.inline||!this.root||(this.root=e.visit(this.root))},genCSS:function(e,t){this.css&&void 0===this.path._fileInfo.reference&&(t.add("@import ",this._fileInfo,this._index),this.path.genCSS(e,t),this.features&&(t.add(" "),this.features.genCSS(e,t)),t.add(";"))},getPath:function(){return this.path instanceof ce?this.path.value.value:this.path.value},isVariableImport:function(){var e=this.path;return e instanceof ce&&(e=e.value),!(e instanceof ue)||e.containsVariables()},evalForImport:function(e){var t=this.path;return t instanceof ce&&(t=t.value),new fe(t.eval(e),this.features,this.options,this._index,this._fileInfo,this.visibilityInfo())},evalPath:function(e){var t=this.path.eval(e),i=this._fileInfo;if(!(t instanceof ce)){var n=t.value;i&&n&&e.pathRequiresRewrite(n)?t.value=e.rewritePath(n,i.rootpath):t.value=e.normalizePath(t.value)}return t},eval:function(e){var t=this.doEval(e);return(this.options.reference||this.blocksVisibility())&&(t.length||0===t.length?t.forEach((function(e){e.addVisibilityBlock()})):t.addVisibilityBlock()),t},doEval:function(e){var t,i,n=this.features&&this.features.eval(e);if(this.options.isPlugin){if(this.root&&this.root.eval)try{this.root.eval(e)}catch(e){throw e.message="Plugin error during evaluation",new O(e,this.root.imports,this.root.filename)}return(i=e.frames[0]&&e.frames[0].functionRegistry)&&this.root&&this.root.functions&&i.addMultiple(this.root.functions),[]}if(this.skip&&("function"==typeof this.skip&&(this.skip=this.skip()),this.skip))return[];if(this.options.inline){var r=new j(this.root,0,{filename:this.importedFilename,reference:this.path._fileInfo&&this.path._fileInfo.reference},!0,!0);return this.features?new he([r],this.features.value):[r]}if(this.css){var 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