/*!
 * css-vars-ponyfill
 * v1.4.0
 * https://github.com/jhildenbiddle/css-vars-ponyfill
 * (c) 2018 John Hildenbiddle <http://hildenbiddle.com>
 * MIT license
 */
!function(e,n){"object"==typeof exports&&"undefined"!=typeof module?module.exports=n():"function"==typeof define&&define.amd?define(n):e.cssVars=n()}(this,function(){"use strict";function e(e){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},r={mimeType:n.mimeType||null,onComplete:n.onComplete||Function.prototype,onError:n.onError||Function.prototype,onSuccess:n.onSuccess||Function.prototype},t=Array.isArray(e)?e:[e],o=Array.apply(null,Array(t.length)).map(function(e){return null});function i(e,n){r.onError(e,t[n],n)}function s(e,n){o[n]=e,r.onSuccess(e,t[n],n),-1===o.indexOf(null)&&r.onComplete(o)}t.forEach(function(e,n){var t=document.createElement("a");t.setAttribute("href",e),t.href=t.href;var o=t.host!==location.host,a=t.protocol===location.protocol;if(o&&"undefined"!=typeof XDomainRequest)if(a){var u=new XDomainRequest;u.open("GET",e),u.timeout=0,u.onprogress=Function.prototype,u.ontimeout=Function.prototype,u.onload=function(){s(u.responseText,n)},u.onerror=function(e){i(u,n)},setTimeout(function(){u.send()},0)}else console.log("Internet Explorer 9 Cross-Origin (CORS) requests must use the same protocol"),i(null,n);else{var c=new XMLHttpRequest;c.open("GET",e),r.mimeType&&c.overrideMimeType&&c.overrideMimeType(r.mimeType),c.onreadystatechange=function(){4===c.readyState&&(200===c.status?s(c.responseText,n):i(c,n))},c.send()}})}function n(n){var t={cssComments:/\/\*[\s\S]+?\*\//g,cssImports:/(?:@import\s*)(?:url\(\s*)?(?:['"])([^'"]*)(?:['"])(?:\s*\))?(?:[^;]*;)/g},o={include:n.include||'style,link[rel="stylesheet"]',exclude:n.exclude||null,filter:n.filter||null,onComplete:n.onComplete||Function.prototype,onError:n.onError||Function.prototype,onSuccess:n.onSuccess||Function.prototype},i=Array.apply(null,document.querySelectorAll(o.include)).filter(function(e){return n=e,r=o.exclude,!(n.matches||n.matchesSelector||n.webkitMatchesSelector||n.mozMatchesSelector||n.msMatchesSelector||n.oMatchesSelector).call(n,r);var n,r}),s=Array.apply(null,Array(i.length)).map(function(e){return null});function a(){if(-1===s.indexOf(null)){var e=s.join("");o.onComplete(e,s,i)}}function u(n,i,u,c){!function n(o,i,s){var a=arguments.length>3&&void 0!==arguments[3]?arguments[3]:[];var u=arguments.length>4&&void 0!==arguments[4]?arguments[4]:[];var c=o.replace(t.cssComments,"").match(t.cssImports);c=(c||[]).filter(function(e){return-1===u.indexOf(e)});if(c.length){var l=c.map(function(e){return e.replace(t.cssImports,"$1")}).map(function(e){return r(e,i)});e(l,{onError:function(e,r,t){a.push({xhr:e,url:r}),u.push(c[t]),n(o,i,s,a,u)},onSuccess:function(e,r,t){var i=c[t],l=o.replace(i,e);n(l,r,s,a,u)}})}else s(o,a)}(n,c,function(e,n){if(null===s[i]){if(n.forEach(function(e){return o.onError(e.xhr,u,e.url)}),!o.filter||o.filter.test(e)){var r=o.onSuccess(e,u,c);s[i]=!1===r?"":r||e}else s[i]="";a()}})}i.length?i.forEach(function(n,t){var i=n.getAttribute("href"),c=n.getAttribute("rel"),l="LINK"===n.nodeName&&i&&c&&"stylesheet"===c.toLowerCase(),f="STYLE"===n.nodeName;l?e(i,{mimeType:"text/css",onError:function(e,r,i){s[t]="",o.onError(e,n,r),a()},onSuccess:function(e,o,s){var a=r(i,location.href);u(e,t,n,a)}}):f?u(n.textContent,t,n,location.href):(s[t]="",a())}):o.onComplete("",[])}function r(e){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:location.href,r=document.implementation.createHTMLDocument(""),t=r.createElement("base"),o=r.createElement("a");return r.head.appendChild(t),r.body.appendChild(o),t.href=n,o.href=e,o.href}function t(){for(var e=function(e){return e instanceof Object&&e.constructor===Object},n=arguments.length,r=Array(n),o=0;o<n;o++)r[o]=arguments[o];return r.reduce(function(n,r){return Object.keys(r).forEach(function(o){var i=n[o],s=r[o];e(i)&&e(s)?n[o]=t(i,s):n[o]=s}),n},{})}var o=i;function i(e,n,r){e instanceof RegExp&&(e=s(e,r)),n instanceof RegExp&&(n=s(n,r));var t=a(e,n,r);return t&&{start:t[0],end:t[1],pre:r.slice(0,t[0]),body:r.slice(t[0]+e.length,t[1]),post:r.slice(t[1]+n.length)}}function s(e,n){var r=n.match(e);return r?r[0]:null}function a(e,n,r){var t,o,i,s,a,u=r.indexOf(e),c=r.indexOf(n,u+1),l=u;if(u>=0&&c>0){for(t=[],i=r.length;l>=0&&!a;)l==u?(t.push(l),u=r.indexOf(e,l+1)):1==t.length?a=[t.pop(),c]:((o=t.pop())<i&&(i=o,s=c),c=r.indexOf(n,l+1)),l=u<c&&u>=0?u:c;t.length&&(a=[i,s])}return a}function u(e){function n(e){throw new Error("CSS parse error: "+e)}function r(n){var r=n.exec(e);if(r)return e=e.slice(r[0].length),r}function t(){r(/^\s*/)}function o(){return r(/^{\s*/)}function i(){return r(/^}/)}function s(){if(t(),"/"===e[0]&&"*"===e[1]){for(var r=2;e[r]&&("*"!==e[r]||"/"!==e[r+1]);)r++;if(!e[r])return n("end of comment is missing");var o=e.slice(2,r);return e=e.slice(r+2),{type:"comment",comment:o}}}function a(){for(var e=[],n=void 0;n=s();)e.push(n);return e}function u(){for(t();"}"===e[0];)n("extra closing bracket");var o=r(/^(("(?:\\"|[^"])*"|'(?:\\'|[^'])*'|[^{])+)/);if(o)return o[0].trim().replace(/\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*\/+/g,"").replace(/"(?:\\"|[^"])*"|'(?:\\'|[^'])*'/g,function(e){return e.replace(/,/g,"‌")}).split(/\s*(?![^(]*\)),\s*/).map(function(e){return e.replace(/\u200C/g,",")})}function c(){r(/^([;\s]*)+/);var e=/\/\*[^*]*\*+([^/*][^*]*\*+)*\//g,t=r(/^(\*?[-#/*\\\w]+(\[[0-9a-z_-]+\])?)\s*/);if(t){if(t=t[0].trim(),!r(/^:\s*/))return n("property missing ':'");var o=r(/^((?:\/\*.*?\*\/|'(?:\\'|.)*?'|"(?:\\"|.)*?"|\((\s*'(?:\\'|.)*?'|"(?:\\"|.)*?"|[^)]*?)\s*\)|[^};])+)/),i={type:"declaration",property:t.replace(e,""),value:o?o[0].replace(e,"").trim():""};return r(/^[;\s]*/),i}}function l(){if(!o())return n("missing '{'");for(var e=void 0,r=a();e=c();)r.push(e),r=r.concat(a());return i()?r:n("missing '}'")}function f(){t();for(var e=[],n=void 0;n=r(/^((\d+\.\d+|\.\d+|\d+)%?|[a-z]+)\s*/);)e.push(n[1]),r(/^,\s*/);if(e.length)return{type:"keyframe",values:e,declarations:l()}}function p(){if(t(),"@"===e[0])return function(){var e=r(/^@([-\w]+)?keyframes\s*/);if(e){var t=e[1];if(!(e=r(/^([-\w]+)\s*/)))return n("@keyframes missing name");var s=e[1];if(!o())return n("@keyframes missing '{'");for(var u=void 0,c=a();u=f();)c.push(u),c=c.concat(a());return i()?{type:"keyframes",name:s,vendor:t,keyframes:c}:n("@keyframes missing '}'")}}()||function(){var e=r(/^@supports *([^{]+)/);if(e)return{type:"supports",supports:e[1].trim(),rules:d()}}()||function(){if(r(/^@host\s*/))return{type:"host",rules:d()}}()||function(){var e=r(/^@media *([^{]+)/);if(e)return{type:"media",media:e[1].trim(),rules:d()}}()||function(){var e=r(/^@custom-media\s+(--[^\s]+)\s*([^{;]+);/);if(e)return{type:"custom-media",name:e[1].trim(),media:e[2].trim()}}()||function(){if(r(/^@page */))return{type:"page",selectors:u()||[],declarations:l()}}()||function(){var e=r(/^@([-\w]+)?document *([^{]+)/);if(e)return{type:"document",document:e[2].trim(),vendor:e[1]?e[1].trim():null,rules:d()}}()||function(){if(r(/^@font-face\s*/))return{type:"font-face",declarations:l()}}()||function(){var e=r(/^@(import|charset|namespace)\s*([^;]+);/);if(e)return{type:e[1],name:e[2].trim()}}()}function d(r){if(!r&&!o())return n("missing '{'");for(var t,s=void 0,c=a();e.length&&(r||"}"!==e[0])&&(s=p()||(void 0,(t=u()||[]).length||n("selector missing"),{type:"rule",selectors:t,declarations:l()}));)c.push(s),c=c.concat(a());return r||i()?c:n("missing '}'")}return{type:"stylesheet",stylesheet:{rules:d(!0),errors:[]}}}i.range=a;var c={},l="--",f="var";function p(e){var n,r,i={},s=t({fixNestedCalc:!0,onlyVars:!0,persist:!1,preserve:!1,variables:{},onWarning:function(){}},arguments.length>1&&void 0!==arguments[1]?arguments[1]:{}),a=s.persist?c:s.variables,p=u(e);if(s.onlyVars&&(p.stylesheet.rules=function e(n){return n.filter(function(n){if(n.declarations){var r=n.declarations.filter(function(e){var n=e.property&&0===e.property.indexOf(l),r=e.value&&e.value.indexOf(f+"(")>-1;return n||r});return"font-face"!==n.type&&(n.declarations=r),Boolean(r.length)}return n.keyframes?Boolean(n.keyframes.filter(function(e){return Boolean(e.declarations.filter(function(e){var n=e.property&&0===e.property.indexOf(l),r=e.value&&e.value.indexOf(f+"(")>-1;return n||r}).length)}).length):!n.rules||(n.rules=e(n.rules).filter(function(e){return e.declarations&&e.declarations.length}),Boolean(n.rules.length))})}(p.stylesheet.rules)),p.stylesheet.rules.forEach(function(e){var n=[];if("rule"===e.type&&1===e.selectors.length&&":root"===e.selectors[0]&&(e.declarations.forEach(function(e,r){var t=e.property,o=e.value;t&&0===t.indexOf(l)&&(i[t]=o,n.push(r))}),!s.preserve))for(var r=n.length-1;r>=0;r--)e.declarations.splice(n[r],1)}),Object.keys(s.variables).forEach(function(e){var n="--"+e.replace(/^-+/,""),r=s.variables[e];e!==n&&(s.variables[n]=r,delete s.variables[e]),s.persist&&(c[n]=r)}),Object.keys(a).length){var m={declarations:[],selectors:[":root"],type:"rule"};Object.keys(a).forEach(function(e){i[e]=a[e],m.declarations.push({type:"declaration",property:e,value:a[e]}),s.persist&&(c[e]=a[e])}),s.preserve&&p.stylesheet.rules.push(m)}return function e(n,r){n.rules.forEach(function(t){t.rules?e(t,r):t.keyframes?t.keyframes.forEach(function(e){"keyframe"===e.type&&r(e.declarations,t)}):t.declarations&&r(t.declarations,n)})}(p.stylesheet,function(e,n){for(var r=void 0,t=void 0,o=void 0,a=0;a<e.length;a++)o=(r=e[a]).value,"declaration"===r.type&&o&&-1!==o.indexOf(f+"(")&&"undefined"!==(t=d(o,i,s))&&(s.preserve?(e.splice(a,0,{type:r.type,property:r.property,value:t}),a++):r.value=t)}),s.fixNestedCalc&&(n=p.stylesheet.rules,r=/(-[a-z]+-)?calc\(/,n.forEach(function(e){e.declarations&&e.declarations.forEach(function(e){for(var n=e.value,t="";r.test(n);){var i=o("calc(",")",n||"");for(n=n.slice(i.end);r.test(i.body);){var s=o(r,")",i.body);i.body=s.pre+"("+s.body+")"+s.post}t+=i.pre+"calc("+i.body,t+=r.test(n)?"":")"+i.post}e.value=t||e.value})})),function(e){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",r=arguments[2],t={charset:function(e){return"@charset "+e.name+";"},comment:function(e){return""},"custom-media":function(e){return"@custom-media "+e.name+" "+e.media+";"},declaration:function(e){return e.property+":"+e.value+";"},document:function(e){return"@"+(e.vendor||"")+"document "+e.document+"{"+o(e.rules)+"}"},"font-face":function(e){return"@font-face{"+o(e.declarations)+"}"},host:function(e){return"@host{"+o(e.rules)+"}"},import:function(e){return"@import "+e.name+";"},keyframe:function(e){return e.values.join(",")+"{"+o(e.declarations)+"}"},keyframes:function(e){return"@"+(e.vendor||"")+"keyframes "+e.name+"{"+o(e.keyframes)+"}"},media:function(e){return"@media "+e.media+"{"+o(e.rules)+"}"},namespace:function(e){return"@namespace "+e.name+";"},page:function(e){return"@page "+(e.selectors.length?e.selectors.join(", "):"")+"{"+o(e.declarations)+"}"},rule:function(e){var n=e.declarations;if(n.length)return e.selectors.join(",")+"{"+o(n)+"}"},supports:function(e){return"@supports "+e.supports+"{"+o(e.rules)+"}"}};function o(e){for(var o="",i=0;i<e.length;i++){var s=e[i];r&&r(s);var a=t[s.type](s);a&&(o+=a,a.length&&s.selectors&&(o+=n))}return o}return o(e.stylesheet.rules)}(p)}function d(e,n,r){var t=o("(",")",e),i=e.indexOf("var("),s=o("(",")",e.substring(i)).body,a="CSS transform warning:";t||r.onWarning(a+' missing closing ")" in the value "'+e+'"'),""===s&&r.onWarning(a+" var() must contain a non-whitespace string");var u=f+"("+s+")",c=s.replace(/([\w-]+)(?:\s*,\s*)?(.*)?/,function(e,t,o){var i=n[t];return i||o||r.onWarning(a+' variable "'+t+'" is undefined'),!i&&o?o:i});return-1!==(e=e.split(u).join(c)).indexOf(f+"(")&&(e=d(e,n,r)),e}var m="css-vars-ponyfill",v={include:"style,link[rel = stylesheet]",exclude:"",fixNestedCalc:!0,onlyLegacy:!0,onlyVars:!1,preserve:!1,silent:!1,updateDOM:!0,variables:{},onSuccess:function(){},onError:function(){},onWarning:function(){},onComplete:function(){}},y=/(?:(?::root\s*{\s*[^;]*;*\s*)|(?:var\(\s*))(--[^:)]+)(?:\s*[:)])/;return function e(){var r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},o=t(v,r);function i(e,n,r,t){o.silent||console.error(e+"\n",n),o.onError(e,n,r,t)}function s(e){o.silent||console.warn(e),o.onWarning(e)}if("loading"!==document.readyState){var a=window.CSS&&window.CSS.supports&&window.CSS.supports("(--a: 0)");if(a&&o.onlyLegacy)a&&o.updateDOM&&Object.keys(o.variables).forEach(function(e){var n="--"+e.replace(/^-+/,""),r=o.variables[e];document.documentElement.style.setProperty(n,r)});else{var u=m;n({include:o.include,exclude:"#"+u+(o.exclude?","+o.exclude:""),filter:o.onlyVars?y:null,onComplete:function(e,n,r){var t=null;try{e=p(e,{fixNestedCalc:o.fixNestedCalc,onlyVars:o.onlyVars,persist:o.updateDOM,preserve:o.preserve,variables:o.variables,onWarning:s});var a=o.onSuccess(e);if(e=!1===a?"":a||e,o.updateDOM&&r&&r.length){var c=r[r.length-1];(t=document.querySelector("#"+u)||document.createElement("style")).setAttribute("id",u),t.textContent!==e&&(t.textContent=e),c.nextSibling!==t&&c.parentNode.insertBefore(t,c.nextSibling)}}catch(e){var l=!1;n.forEach(function(e,n){try{e=p(e,o)}catch(e){var t=r[n-0];l=!0,i(e.message,t)}}),l||i(e.message||e)}o.onComplete(e,t)},onError:function(e,n,r){i('CSS XHR error: "'+e.responseURL+'" '+e.status+(e.statusText?" ("+e.statusText+")":""),n,e,r)}})}}else document.addEventListener("DOMContentLoaded",function n(t){e(r),document.removeEventListener("DOMContentLoaded",n)})}});