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Date).getMonth()+1,day:(new Date).getDate(),year:(new Date).getFullYear()};function La(){return d({},Sa)}function Ca(){return{registers:La(),smartFence:!1,renderPlaceholder:void 0,placeholderSymbol:"▢",letterShapeStyle:v.locale.startsWith("fr")?"french":"tex",minFontScale:0,colorMap:C,backgroundColorMap:E,getMacro:e=>se(e,ie())}}var Ea=class e{constructor(t,n){var i,o,r,a,s,l,c,h,u,p,m,f,g,b,y;let v;(null==t?void 0:t.parent)?(this.parent=t.parent,v=t.parent,this.registers={}):(v=d(d({},Ca()),null!=(i=null==t?void 0:t.from)?i:{}),this.registers=v.registers),v.atomIdsSettings&&(this.atomIdsSettings=d({},v.atomIdsSettings)),this.renderPlaceholder=v.renderPlaceholder,this.isPhantom=null!=(a=null!=(r=null==t?void 0:t.isPhantom)?r:null==(o=this.parent)?void 0:o.isPhantom)&&a,this.letterShapeStyle=v.letterShapeStyle,this.minFontScale=v.minFontScale,(null==n?void 0:n.color)&&"none"!==n.color?this.color=n.color:this.color=null!=(l=null==(s=this.parent)?void 0:s.color)?l:"",(null==n?void 0:n.backgroundColor)&&"none"!==n.backgroundColor?this.backgroundColor=n.backgroundColor:this.backgroundColor=null!=(h=null==(c=this.parent)?void 0:c.backgroundColor)?h:"",(null==n?void 0:n.fontSize)&&"auto"!==n.fontSize&&n.fontSize!==(null==(u=this.parent)?void 0:u.size)?this.size=n.fontSize:this.size=null!=(m=null==(p=this.parent)?void 0:p.size)?m:5;let x=null!=(g=null==(f=this.parent)?void 0:f.mathstyle)?g:va.displaystyle;if("string"==typeof(null==t?void 0:t.mathstyle)){if(v instanceof e)switch(t.mathstyle){case"cramp":x=x.cramp;break;case"superscript":x=x.sup;break;case"subscript":x=x.sub;break;case"numerator":x=x.fracNum;break;case"denominator":x=x.fracDen}switch(t.mathstyle){case"textstyle":x=va.textstyle;break;case"displaystyle":x=va.displaystyle;break;case"scriptstyle":x=va.scriptstyle;break;case"scriptscriptstyle":x=va.scriptscriptstyle}}this.mathstyle=x,this.smartFence=v.smartFence,this.placeholderSymbol=v.placeholderSymbol,this.colorMap=null!=(b=v.colorMap)?b:e=>e,this.backgroundColorMap=null!=(y=v.backgroundColorMap)?y:e=>e,this.getMacro=v.getMacro,console.assert(void 0!==this.parent||void 0!==this.registers)}makeID(){if(!this.atomIdsSettings)return;if(this.atomIdsSettings.overrideID)return this.atomIdsSettings.overrideID;if("number"!=typeof this.atomIdsSettings.seed)return`${Date.now().toString(36).slice(-2)}${Math.floor(1e5*Math.random()).toString(36)}`;const e=this.atomIdsSettings.seed.toString(36);return this.atomIdsSettings.seed+=1,e}scale(e){return e*this.effectiveFontSize}get scalingFactor(){return this.parent?this.effectiveFontSize/this.parent.effectiveFontSize:1}get isDisplayStyle(){return 7===this.mathstyle.id||6===this.mathstyle.id}get isCramped(){return this.mathstyle.cramped}get isTight(){return this.mathstyle.isTight}get metrics(){return this.mathstyle.metrics}get effectiveFontSize(){return Math.max(Or[Math.max(1,this.size+this.mathstyle.sizeDelta)],this.minFontScale)}getRegister(e){var t;return(null==(t=this.registers)?void 0:t[e])?this.registers[e]:this.parent?this.parent.getRegister(e):void 0}getRegisterAsNumber(e){const t=this.getRegister(e);return"number"==typeof t?t:"string"==typeof t?Number(t):void 0}getRegisterAsGlue(e){var t;if(null==(t=this.registers)?void 0:t[e]){const t=this.registers[e];return"object"==typeof t&&"glue"in t?t:"object"==typeof t&&"dimension"in t?{glue:{dimension:t.dimension}}:"number"==typeof t?{glue:{dimension:t}}:void 0}if(this.parent)return this.parent.getRegisterAsGlue(e)}getRegisterAsEm(e,t){return wa(this.getRegisterAsDimension(e),t)}getRegisterAsDimension(e){var t;if(null==(t=this.registers)?void 0:t[e]){const t=this.registers[e];return"object"==typeof t&&"glue"in t?t.glue:"object"==typeof t&&"dimension"in t?t:"number"==typeof t?{dimension:t}:void 0}if(this.parent)return this.parent.getRegisterAsDimension(e)}setRegister(e,t){void 0!==t?this.registers[e]=t:delete this.registers[e]}evaluate(e){if(!e||!("register"in e))return e;let t=this;if("global"in e&&e.global)for(;t.parent;)t=t.parent;let n=1;"factor"in e&&1!==e.factor&&void 0!==e.factor&&(n=e.factor);const i=t.getRegister(e.register);if(void 0===i)return;if("string"==typeof i)return{string:Number(i).toString()+i};if("number"==typeof i)return{number:n*i};const o=t.evaluate(i);return void 0!==o?"string"in o?{string:Number(i).toString()+o.string}:"number"in o?{number:n*o.number}:"dimension"in o?h(d({},o),{dimension:n*o.dimension}):"glue"in o?h(d({},o),{glue:h(d({},o.glue),{dimension:n*o.glue.dimension}),shrink:o.shrink?h(d({},o.shrink),{dimension:n*o.shrink.dimension}):void 0,grow:o.grow?h(d({},o.grow),{dimension:n*o.grow.dimension}):void 0}):e:void 0}toDimension(e){const t=this.evaluate(e);return void 0===t?null:"dimension"in t?t:"glue"in t?t.glue:"number"in t?{dimension:t.number}:null}toEm(e,t){if(null===e)return 0;const n=this.toDimension(e);return null===n?0:xa(n,t)/Tr}toNumber(e){if(null===e)return null;const t=this.evaluate(e);return void 0===t?null:"number"in t?t.number:"dimension"in t?t.dimension:"glue"in t?t.glue.dimension:"string"in t?Number(t.string):null}toColor(e){var t,n;if(null===e)return null;const i=this.evaluate(e);return void 0===i?null:"string"in i?null!=(n=null==(t=this.colorMap)?void 0:t.call(this,i.string))?n:i.string:null}toBackgroundColor(e){var t,n;if(null===e)return null;const i=this.evaluate(e);return void 0===i?null:"string"in i?null!=(n=null==(t=this.backgroundColorMap)?void 0:t.call(this,i.string))?n:i.string:null}},Ka=["body","above","below","superscript","subscript"];function Aa(e){return"string"==typeof e&&Ka.includes(e)}function Da(e){return void 0!==e&&Array.isArray(e)&&2===e.length}var za=class e{constructor(e){var t,n,i,o,r,a;this.type=e.type,"string"==typeof e.value&&(this.value=e.value),this.command=null!=(n=null!=(t=e.command)?t:this.value)?n:"",this.mode=null!=(i=e.mode)?i:"math",e.isFunction&&(this.isFunction=!0),e.limits&&(this.subsupPlacement=e.limits),this.style=d({},e.style),this.displayContainsHighlight=null!=(o=e.displayContainsHighlight)&&o,this.captureSelection=null!=(r=e.captureSelection)&&r,this.skipBoundary=null!=(a=e.skipBoundary)&&a,void 0!==e.verbatimLatex&&null!==e.verbatimLatex&&(this.verbatimLatex=e.verbatimLatex),e.args&&(this.args=e.args),e.body&&(this.body=e.body),this._changeCounter=0}static createBox(e,t,n){var i;if(!t)return null;const o=function(e){let t;const n=[];let i=[];for(const o of e)if(t||o.style){const e=o.computedStyle;t&&e.color===t.color&&e.backgroundColor===t.backgroundColor&&e.fontSize===t.fontSize?i.push(o):(i.length>0&&n.push(i),i=[o],t=e)}else i.push(o);i.length>0&&n.push(i);return n}(t),r=[];for(const t of o){const n=t[0].style,i=Ta(e,t,{style:{color:n.color,backgroundColor:n.backgroundColor,fontSize:n.fontSize}});i&&r.push(i)}if(0===r.length)return null;const a=(null!=(i=null==n?void 0:n.classes)?i:"").trim();return 1!==r.length||a||(null==n?void 0:n.type)?new da(r,{classes:a,type:null==n?void 0:n.type}).wrap(e):r[0].wrap(e)}static serialize(e,t){return na.serialize(e,t)}static commonAncestor(e,t){if(e===t)return e.parent;if(e.parent===t.parent)return e.parent;const n=new WeakSet;let{parent:i}=e;for(;i;)n.add(i),i=i.parent;for(i=t.parent;i;){if(n.has(i))return i;i=i.parent}console.assert(Boolean(i))}static fromJson(t){return new e("string"==typeof t?{type:"mord",value:t,mode:"math"}:t)}get latexMode(){return"math"===this.mode?"math":"text"}toJson(){const e={};if(this.type&&(e.type=this.type),"math"!==this.mode&&(e.mode=this.mode),this.command&&this.command!==this.value&&(e.command=this.command),void 0!==this.value&&(e.value=this.value),this.style&&Object.keys(this.style).length>0&&(e.style=d({},this.style)),void 0!==this.verbatimLatex&&(e.verbatimLatex=this.verbatimLatex),this.subsupPlacement&&(e.subsupPlacement=this.subsupPlacement),this.explicitSubsupPlacement&&(e.explicitSubsupPlacement=!0),this.isFunction&&(e.isFunction=!0),this.displayContainsHighlight&&(e.displayContainsHighlight=!0),this.isExtensibleSymbol&&(e.isExtensibleSymbol=!0),this.skipBoundary&&(e.skipBoundary=!0),this.captureSelection&&(e.captureSelection=!0),this.args&&(e.args=this.args.map((e=>null===e?"<null>":Array.isArray(e)&&e[0]instanceof za?{atoms:e.map((e=>e.toJson()))}:"object"==typeof e&&"group"in e?{group:e.group.map((e=>e.toJson()))}:e))),this._branches)for(const t of Object.keys(this._branches))this._branches[t]&&(e[t]=this._branches[t].filter((e=>"first"!==e.type)).map((e=>e.toJson())));return"mord"===e.type&&2===Object.keys(e).length&&"value"in e?e.value:e}get changeCounter(){return this.parent?this.parent.changeCounter:this._changeCounter}set isDirty(e){if(e){this.parent||this._changeCounter++,"verbatimLatex"in this&&(this.verbatimLatex=void 0),this._children=void 0;let{parent:e}=this;for(;e;)e.parent||e._changeCounter++,"verbatimLatex"in e&&(e.verbatimLatex=void 0),e._children=void 0,e=e.parent}}_serialize(e){if(!(e.expandMacro||e.skipStyles||e.skipPlaceholders)&&"string"==typeof this.verbatimLatex)return this.verbatimLatex;const t=ae(this.command,this.mode);return(null==t?void 0:t.serialize)?t.serialize(this,e):this.body&&this.command?Yr([Qr(this.command,this.bodyToLatex(e)),this.supsubToLatex(e)]):this.body?Yr([this.bodyToLatex(e),this.supsubToLatex(e)]):this.value&&""!==this.value?this.command:""}bodyToLatex(e){var t;return na.serialize(this.body,h(d({},e),{defaultMode:null!=(t=e.defaultMode)?t:this.latexMode}))}aboveToLatex(e){return na.serialize(this.above,e)}belowToLatex(e){return na.serialize(this.below,e)}supsubToLatex(e){let t="";if(e=h(d({},e),{defaultMode:"math"}),void 0!==this.branch("subscript")){const n=na.serialize(this.subscript,e);0===n.length?t+="_{}":1===n.length&&/^[0-9]$/.test(n)?t+=`_${n}`:t+=`_{${n}}`}if(void 0!==this.branch("superscript")){const n=na.serialize(this.superscript,e);0===n.length?t+="^{}":1===n.length?"′"===n?t+="^\\prime ":"″"===n?t+="^\\doubleprime ":/^[0-9]$/.test(n)?t+=`^${n}`:t+=`^{${n}}`:t+=`^{${n}}`}return t}get treeDepth(){let e=1,t=this.parent;for(;t;)t=t.parent,e+=1;return e}get inCaptureSelection(){let e=this;for(;e;){if(e.captureSelection)return!0;e=e.parent}return!1}get parentPrompt(){let e=this.parent;for(;e;){if("prompt"===e.type&&!e.captureSelection)return e;e=e.parent}return null}branch(e){if(Aa(e)&&this._branches)return this._branches[e]}get branches(){if(!this._branches)return[];const e=[];for(const t of Ka)this._branches[t]&&e.push(t);return e}createBranch(e){return console.assert(Aa(e)),Aa(e)?(this._branches?this._branches[e]||(this._branches[e]=[this.makeFirstAtom(e)]):this._branches={[e]:[this.makeFirstAtom(e)]},this.isDirty=!0,this._branches[e]):[]}get row(){return Da(this.parentBranch)?this.parentBranch[0]:-1}get col(){return Da(this.parentBranch)?this.parentBranch[1]:-1}get body(){var e;return null==(e=this._branches)?void 0:e.body}set body(e){this.setChildren(e,"body")}get superscript(){var e;return null==(e=this._branches)?void 0:e.superscript}set superscript(e){this.setChildren(e,"superscript")}get subscript(){var e;return null==(e=this._branches)?void 0:e.subscript}set subscript(e){this.setChildren(e,"subscript")}get above(){var e;return null==(e=this._branches)?void 0:e.above}set above(e){this.setChildren(e,"above")}get below(){var e;return null==(e=this._branches)?void 0:e.below}set below(e){this.setChildren(e,"below")}get computedStyle(){var e,t;const n="string"==typeof this.style.verbatimColor,i="string"==typeof this.style.verbatimBackgroundColor,o=d(d({},null!=(t=null==(e=this.parent)?void 0:e.computedStyle)?t:{}),this.style);return delete o.variant,delete o.variantStyle,i||delete o.verbatimBackgroundColor,n||delete o.verbatimColor,o}applyStyle(e){this.isDirty=!0,this.style=d(d({},this.style),e),"none"===this.style.fontFamily&&delete this.style.fontFamily,"auto"===this.style.fontShape&&delete this.style.fontShape,"auto"===this.style.fontSeries&&delete this.style.fontSeries,"none"===this.style.color&&(delete this.style.color,delete this.style.verbatimColor),"none"===this.style.backgroundColor&&(delete this.style.backgroundColor,delete this.style.verbatimBackgroundColor),"auto"===this.style.fontSize&&delete this.style.fontSize;for(const t of this.children)t.applyStyle(e)}getInitialBaseElement(){var e,t,n;return this.hasEmptyBranch("body")?this:(console.assert("first"===(null==(e=this.body)?void 0:e[0].type)),null!=(n=null==(t=this.body[1])?void 0:t.getInitialBaseElement())?n:this)}getFinalBaseElement(){return this.hasEmptyBranch("body")?this:this.body[this.body.length-1].getFinalBaseElement()}isCharacterBox(){return"leftright"!==this.type&&"genfrac"!==this.type&&"subsup"!==this.type&&"delim"!==this.type&&"array"!==this.type&&"surd"!==this.type&&"mord"===this.getFinalBaseElement().type}hasEmptyBranch(e){const t=this.branch(e);return!t||(console.assert(t.length>0),console.assert("first"===t[0].type),1===t.length)}setChildren(e,t){var n;if(!e)return;if(console.assert(Aa(t)),!Aa(t))return;console.assert("first"!==(null==(n=e[0])?void 0:n.type));const i=[this.makeFirstAtom(t),...e];this._branches?this._branches[t]=i:this._branches={[t]:i};for(const n of e)n.parent=this,n.parentBranch=t;this.isDirty=!0}makeFirstAtom(t){const n=new e({type:"first",mode:this.mode});return n.parent=this,n.parentBranch=t,n}addChild(e,t){console.assert("first"!==e.type),this.createBranch(t).push(e),this.isDirty=!0,e.parent=this,e.parentBranch=t}addChildBefore(e,t){console.assert(void 0!==t.parentBranch);const n=this.createBranch(t.parentBranch);n.splice(n.indexOf(t),0,e),this.isDirty=!0,e.parent=this,e.parentBranch=t.parentBranch}addChildAfter(e,t){console.assert(void 0!==t.parentBranch);const n=this.createBranch(t.parentBranch);n.splice(n.indexOf(t)+1,0,e),this.isDirty=!0,e.parent=this,e.parentBranch=t.parentBranch}addChildren(e,t){const n=this.createBranch(t);for(const i of e)i.parent=this,i.parentBranch=t,n.push(i);this.isDirty=!0}addChildrenAfter(e,t){console.assert(0===e.length||"first"!==e[0].type),console.assert(void 0!==t.parentBranch);const n=this.createBranch(t.parentBranch);n.splice(n.indexOf(t)+1,0,...e),this.isDirty=!0;for(const n of e)n.parent=this,n.parentBranch=t.parentBranch;return e[e.length-1]}removeBranch(e){const t=this.branch(e);if(Aa(e)&&(this._branches[e]=void 0),!t)return[];for(const e of t)e.parent=void 0,e.parentBranch=void 0;return console.assert("first"===t[0].type),t.shift(),this.isDirty=!0,t}removeChild(e){if(console.assert(e.parent===this),"first"===e.type)return;const t=this.branch(e.parentBranch),n=t.indexOf(e);console.assert(n>=0),t.splice(n,1),this.isDirty=!0,e.parent=void 0,e.parentBranch=void 0}get siblings(){return this.parent?this.parent.branch(this.parentBranch):[]}get firstSibling(){return this.siblings[0]}get lastSibling(){const{siblings:e}=this;return e[e.length-1]}get isFirstSibling(){return this===this.firstSibling}get isLastSibling(){return this===this.lastSibling}get hasNoSiblings(){return 1===this.siblings.length}get leftSibling(){console.assert(void 0!==this.parent);const e=this.parent.branch(this.parentBranch);return e[e.indexOf(this)-1]}get rightSibling(){console.assert(void 0!==this.parent);const e=this.parent.branch(this.parentBranch);return e[e.indexOf(this)+1]}get hasChildren(){return Boolean(this._branches&&this.children.length>0)}get firstChild(){return console.assert(this.hasChildren),this.children[0]}get lastChild(){console.assert(this.hasChildren);const{children:e}=this;return e[e.length-1]}get children(){if(this._children)return this._children;if(!this._branches)return[];const e=[];for(const t of Ka)if(this._branches[t])for(const n of this._branches[t])e.push(...n.children),e.push(n);return this._children=e,e}render(e){if("first"===this.type&&!e.atomIdsSettings)return null;const t=ae(this.command,this.mode);if(null==t?void 0:t.render)return t.render(this,e);const n=new Ea({parent:e},this.style);let i=this.createBox(n,{classes:this.parent?"":"ML__base"});return i?(this.subsupPlacement||!this.superscript&&!this.subscript||(i=this.attachSupsub(n,{base:i})),i.wrap(n)):null}attachSupsub(t,n){var i;const o=n.base,r=this.superscript,a=this.subscript;if(!r&&!a)return o;let s=null,l=null;const 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font-family: KaTeX_Size1;\n}\n.ML__delim-mult .delim-size4 > span {\n font-family: KaTeX_Size4;\n}\n.ML__accent-body > span {\n font-family: KaTeX_Main;\n width: 0;\n}\n.ML__accent-vec {\n position: relative;\n left: 0.24em;\n}\n/** The markup for a LaTeX formula, either in an editable mathfield or \n in a static display.\n*/\n.ML__latex {\n display: inline-block;\n direction: ltr;\n text-align: left;\n text-indent: 0;\n text-rendering: auto;\n font-family: KaTeX_Main, 'Times New Roman', serif;\n font-style: normal;\n font-size-adjust: none;\n font-stretch: normal;\n font-variant-caps: normal;\n letter-spacing: normal;\n line-height: 1.2;\n word-wrap: normal;\n word-spacing: normal;\n white-space: nowrap;\n text-shadow: none;\n -webkit-user-select: none;\n user-select: none;\n width: min-content;\n}\n.ML__latex .style-wrap {\n position: relative;\n}\n.ML__latex .mfrac {\n display: inline-block;\n}\n.ML__latex .left-right {\n display: inline-block;\n}\n.ML__latex .vlist-t {\n display: inline-table;\n table-layout: fixed;\n border-collapse: collapse;\n}\n.ML__latex .vlist-r {\n display: table-row;\n}\n.ML__latex .vlist {\n display: table-cell;\n vertical-align: bottom;\n position: relative;\n}\n.ML__latex .vlist > span {\n display: block;\n height: 0;\n position: relative;\n}\n.ML__latex .vlist > span > span {\n display: inline-block;\n}\n.ML__latex .vlist > span > .pstrut {\n overflow: hidden;\n width: 0;\n}\n.ML__latex .vlist-t2 {\n margin-right: -2px;\n}\n.ML__latex .vlist-s {\n display: table-cell;\n vertical-align: bottom;\n font-size: 1px;\n width: 2px;\n min-width: 2px;\n}\n.ML__latex .msubsup {\n text-align: left;\n}\n.ML__latex .negativethinspace {\n display: inline-block;\n margin-left: -0.16667em;\n height: 0.71em;\n}\n.ML__latex .thinspace {\n display: inline-block;\n width: 0.16667em;\n height: 0.71em;\n}\n.ML__latex .mediumspace {\n display: inline-block;\n width: 0.22222em;\n height: 0.71em;\n}\n.ML__latex .thickspace {\n display: inline-block;\n width: 0.27778em;\n height: 0.71em;\n}\n.ML__latex .enspace {\n display: inline-block;\n width: 0.5em;\n height: 0.71em;\n}\n.ML__latex .quad {\n display: inline-block;\n width: 1em;\n height: 0.71em;\n}\n.ML__latex .qquad {\n display: inline-block;\n width: 2em;\n height: 0.71em;\n}\n.ML__latex .llap,\n.ML__latex .rlap {\n width: 0;\n position: relative;\n display: inline-block;\n}\n.ML__latex .llap > .inner,\n.ML__latex .rlap > .inner {\n position: absolute;\n}\n.ML__latex .llap > .fix,\n.ML__latex .rlap > .fix {\n display: inline-block;\n}\n.ML__latex .llap > .inner {\n right: 0;\n}\n.ML__latex .rlap > .inner {\n left: 0;\n}\n.ML__latex .rule {\n display: inline-block;\n border: solid 0;\n position: relative;\n box-sizing: border-box;\n}\n.ML__latex .overline .overline-line,\n.ML__latex .underline .underline-line {\n width: 100%;\n}\n.ML__latex .overline .overline-line:before,\n.ML__latex .underline .underline-line:before {\n content: '';\n border-bottom-style: solid;\n border-bottom-width: max(1px, 0.04em);\n -webkit-print-color-adjust: exact;\n print-color-adjust: exact;\n display: block;\n}\n.ML__latex .overline .overline-line:after,\n.ML__latex .underline .underline-line:after {\n border-bottom-style: solid;\n border-bottom-width: max(1px, 0.04em);\n -webkit-print-color-adjust: exact;\n print-color-adjust: exact;\n content: '';\n display: block;\n margin-top: -1px;\n}\n.ML__latex .stretchy {\n display: block;\n position: absolute;\n width: 100%;\n left: 0;\n overflow: hidden;\n}\n.ML__latex .stretchy:before,\n.ML__latex .stretchy:after {\n content: '';\n}\n.ML__latex .stretchy svg {\n display: block;\n position: absolute;\n width: 100%;\n height: inherit;\n fill: currentColor;\n stroke: currentColor;\n fill-rule: nonzero;\n fill-opacity: 1;\n stroke-width: 1;\n stroke-linecap: butt;\n stroke-linejoin: miter;\n stroke-miterlimit: 4;\n stroke-dasharray: none;\n stroke-dashoffset: 0;\n stroke-opacity: 1;\n}\n.ML__latex .slice-1-of-2 {\n display: inline-flex;\n position: absolute;\n left: 0;\n width: 50.2%;\n overflow: hidden;\n}\n.ML__latex .slice-2-of-2 {\n display: inline-flex;\n position: absolute;\n right: 0;\n width: 50.2%;\n overflow: hidden;\n}\n.ML__latex .slice-1-of-3 {\n display: inline-flex;\n position: absolute;\n left: 0;\n width: 25.1%;\n overflow: hidden;\n}\n.ML__latex .slice-2-of-3 {\n display: inline-flex;\n position: absolute;\n left: 25%;\n width: 50%;\n overflow: hidden;\n}\n.ML__latex .slice-3-of-3 {\n display: inline-flex;\n position: absolute;\n right: 0;\n width: 25.1%;\n overflow: hidden;\n}\n.ML__latex .slice-1-of-1 {\n display: inline-flex;\n position: absolute;\n width: 100%;\n left: 0;\n overflow: hidden;\n}\n.ML__latex .nulldelimiter {\n display: inline-block;\n}\n.ML__latex .op-group {\n display: inline-block;\n}\n.ML__latex .op-symbol {\n position: relative;\n}\n.ML__latex .op-symbol.small-op {\n font-family: KaTeX_Size1;\n}\n.ML__latex .op-symbol.large-op {\n font-family: KaTeX_Size2;\n}\n.ML__latex .mtable .vertical-separator {\n display: inline-block;\n min-width: 1px;\n box-sizing: border-box;\n}\n.ML__latex .mtable .arraycolsep {\n display: inline-block;\n}\n.ML__latex .mtable .col-align-m > .vlist-t {\n text-align: center;\n}\n.ML__latex .mtable .col-align-c > .vlist-t {\n text-align: center;\n}\n.ML__latex .mtable .col-align-l > .vlist-t {\n text-align: left;\n}\n.ML__latex .mtable .col-align-r > .vlist-t {\n text-align: right;\n}\n.ML__error {\n display: inline-block;\n background-image: radial-gradient(ellipse at center, hsl(341, 100%, 40%), rgba(0, 0, 0, 0) 70%);\n background-color: hsla(341, 100%, 40%, 0.1);\n background-repeat: repeat-x;\n background-size: 3px 3px;\n padding-bottom: 3px;\n background-position: 0 100%;\n}\n.ML__error > .ML__error {\n background: transparent;\n padding: 0;\n}\n.ML__placeholder {\n color: var(--_placeholder-color);\n opacity: var(--_placeholder-opacity);\n padding-left: 0.4ex;\n padding-right: 0.4ex;\n font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;\n}\n.ML__notation {\n position: absolute;\n box-sizing: border-box;\n line-height: 0;\n}\n/* This class is used to implement the `\\mathtip` and `\\texttip` commands\n For UI elements, see `[data-ML__tooltip]`\n*/\n.ML__tooltip-container {\n position: relative;\n transform: scale(0);\n}\n.ML__tooltip-container .ML__tooltip-content {\n position: fixed;\n display: inline-table;\n visibility: hidden;\n z-index: 2;\n width: max-content;\n max-width: 400px;\n padding: 12px 12px;\n border-radius: 8px;\n background: #616161;\n --_selection-color: #fff;\n color: #fff;\n box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);\n opacity: 0;\n transition: opacity 0.15s cubic-bezier(0.4, 0, 1, 1);\n}\n.ML__tooltip-container .ML__tooltip-content .ML__text {\n white-space: normal;\n}\n.ML__tooltip-container .ML__tooltip-content .ML__base {\n display: contents;\n}\n.ML__tooltip-container:hover .ML__tooltip-content {\n visibility: visible;\n opacity: 1;\n font-size: 0.75em;\n transform: scale(1) translate(0, 3em);\n}\n";break;case"mathfield":t="@keyframes ML__caret-blink {\n 0%,\n 100% {\n opacity: 1;\n }\n 50% {\n opacity: 0;\n }\n}\n.ML__container {\n display: inline-flex;\n flex-flow: row;\n justify-content: space-between;\n align-items: flex-end;\n min-height: 39px;\n /* Need some room for the virtual keyboard toggle */\n width: 100%;\n /* Encourage browsers to consider allocating a hardware accelerated\n layer for this element. */\n isolation: isolate;\n /* Prevent the browser from trying to interpret touch gestures in the field */\n /* \"Disabling double-tap to zoom removes the need for browsers to\n delay the generation of click events when the user taps the screen.\" */\n touch-action: none;\n --_caret-color: var(--caret-color, hsl(var(--_hue), 40%, 49%));\n --_selection-color: var(--selection-color, #000);\n --_selection-background-color: var(--selection-background-color, hsl(var(--_hue), 70%, 85%));\n --_text-highlight-background-color: var(--highlight-text, hsla(var(--_hue), 40%, 50%, 0.1));\n --_contains-highlight-background-color: var(--contains-highlight-background-color, hsl(var(--_hue), 40%, 95%));\n --_smart-fence-color: var(--smart-fence-color, currentColor);\n --_smart-fence-opacity: var(--smart-fence-opacity, 0.5);\n --_latex-color: var(--latex-color, hsl(var(--_hue), 80%, 40%));\n --_correct-color: var(--correct-color, #10a000);\n --_incorrect-color: var(--incorrect-color, #a01b00);\n --_composition-background-color: var(--composition-background-color, #fff1c2);\n --_composition-text-color: var(--composition-text-color, black);\n --_composition-underline-color: var(--composition-underline-color, transparent);\n}\n/* This is the actual field content (formula) */\n.ML__content {\n display: flex;\n align-items: center;\n align-self: center;\n position: relative;\n overflow: hidden;\n padding: 2px 3px 2px 1px;\n width: 100%;\n}\n.ML__virtual-keyboard-toggle,\n.ML__menu-toggle {\n box-sizing: border-box;\n display: flex;\n align-self: center;\n align-items: center;\n flex-shrink: 0;\n flex-direction: column;\n justify-content: center;\n width: 34px;\n height: 34px;\n padding: 0;\n margin-right: 4px;\n cursor: pointer;\n /* Avoid some weird blinking with :hover */\n border-radius: 8px;\n border: 1px solid transparent;\n transition: background 0.2s cubic-bezier(0.64, 0.09, 0.08, 1);\n color: hsl(var(--_hue), 40%, 50%);\n fill: currentColor;\n background: transparent;\n}\n.ML__virtual-keyboard-toggle:hover,\n.ML__menu-toggle:hover {\n background: hsla(0, 0%, 70%, 0.3);\n color: #333;\n fill: currentColor;\n}\n.ML__virtual-keyboard-toggle > span,\n.ML__menu-toggle > span {\n display: flex;\n align-self: center;\n align-items: center;\n}\n/* The invisible element used to capture keyboard events. We're just trying\n really hard to make sure it doesn't show. */\n.ML__keyboard-sink {\n display: inline-block;\n resize: none;\n outline: none;\n border: none;\n /* Need these for Microsoft Edge */\n position: fixed;\n clip: rect(0 0 0 0);\n /* Need this to prevent iOS Safari from auto-zooming */\n font-size: 1em;\n font-family: KaTeX_Main;\n line-height: 0.5;\n /* On Chromium, if this is 0, no keyboard events are received */\n}\n[part=\"placeholder\"] {\n color: var(--neutral-400);\n}\n.ML__composition {\n background: var(--_composition-background-color);\n color: var(--_composition-text-color);\n text-decoration: underline var(--_composition-underline-color);\n}\n.ML__caret::after {\n content: '';\n visibility: hidden;\n width: 0;\n display: inline-block;\n height: 0.76em;\n --_caret-width: clamp(2px, 0.08em, 10px);\n border: none;\n border-radius: calc(var(--_caret-width) / 2);\n border-right: var(--_caret-width) solid var(--_caret-color);\n margin-right: calc(-1 * var(--_caret-width));\n position: relative;\n left: -0.045em;\n bottom: -0.05em;\n animation: ML__caret-blink 1.05s step-end forwards infinite;\n}\n.ML__text-caret::after {\n content: '';\n visibility: hidden;\n width: 0;\n display: inline-block;\n height: 0.76em;\n --_caret-width: clamp(2px, 0.08em, 10px);\n border: none;\n border-radius: calc(var(--_caret-width) / 2);\n border-right: var(--_caret-width) solid var(--_caret-color);\n margin-right: calc(-1 * var(--_caret-width));\n position: relative;\n left: -0.045em;\n bottom: -0.05em;\n animation: ML__caret-blink 1.05s step-end forwards infinite;\n}\n.ML__latex-caret::after {\n content: '';\n visibility: hidden;\n --_caret-width: clamp(2px, 0.08em, 10px);\n border: none;\n border-radius: calc(var(--_caret-width) / 2);\n border-right: var(--_caret-width) solid var(--_latex-color);\n margin-right: calc(-1 * var(--_caret-width));\n position: relative;\n left: -0.019em;\n animation: ML__caret-blink 1.05s step-end forwards infinite;\n}\n.ML__focused .ML__latex-caret::after,\n.ML__focused .ML__text-caret::after,\n.ML__focused .ML__caret::after {\n visibility: visible;\n}\n.ML__focused .ML__text {\n background: var(--_text-highlight-background-color);\n}\n/* When using smartFence, the anticipated closing fence is displayed\nwith this style */\n.ML__smart-fence__close {\n opacity: var(--_smart-fence-opacity);\n color: var(--_smart-fence-color);\n}\n.ML__selected,\n.ML__focused .ML__selected .ML__contains-caret,\n.ML__focused .ML__selected .ML__smart-fence__close,\n.ML__focused .ML__selected .ML__placeholder {\n color: var(--_selection-color);\n opacity: 1;\n}\n.ML__selection {\n box-sizing: border-box;\n background: var(--_selection-background-color) !important;\n}\n.ML__contains-caret.ML__close,\n.ML__contains-caret.ML__open,\n.ML__contains-caret > .ML__close,\n.ML__contains-caret > .ML__open,\n.ML__contains-caret .ML__sqrt-sign,\n.ML__contains-caret .ML__sqrt-line {\n color: var(--_caret-color);\n}\n.ML__contains-highlight {\n box-sizing: border-box;\n background: transparent;\n}\n.ML__focused .ML__contains-highlight {\n background: var(--_contains-highlight-background-color);\n}\n.ML__raw-latex {\n font-family: 'Berkeley Mono', 'IBM Plex Mono', 'Source Code Pro', Consolas, 'Roboto Mono', Menlo, 'Bitstream Vera Sans Mono', 'DejaVu Sans Mono', Monaco, Courier, monospace;\n font-weight: 400;\n font-size: 0.8em;\n letter-spacing: -0.05em;\n color: var(--_latex-color);\n}\n.ML__suggestion {\n color: var(--neutral-500);\n}\n.ML__virtual-keyboard-toggle.is-visible.is-pressed:hover {\n background: hsl(var(--_hue), 25%, 35%);\n color: #fafafa;\n fill: currentColor;\n}\n.ML__virtual-keyboard-toggle:focus {\n outline: none;\n border-radius: 8px;\n border: 2px solid hsl(var(--_hue), 40%, 50%);\n}\n.ML__virtual-keyboard-toggle.is-pressed,\n.ML__virtual-keyboard-toggle.is-active:hover,\n.ML__virtual-keyboard-toggle.is-active {\n background: hsl(var(--_hue), 25%, 35%);\n color: #fafafa;\n fill: currentColor;\n}\n/* Add an attribute 'data-tooltip' to automatically show a\n tooltip over a element on hover.\n*/\n[data-tooltip] {\n position: relative;\n}\n[data-tooltip]::after {\n content: attr(data-tooltip);\n position: absolute;\n display: block;\n z-index: 2;\n pointer-events: none;\n right: auto;\n top: calc(-100% - 4px);\n width: max-content;\n max-width: 200px;\n padding: 8px 8px;\n border-radius: 4px;\n background: #616161;\n color: #fff;\n box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);\n text-align: center;\n font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;\n font-style: normal;\n font-weight: 400;\n font-size: 13px;\n /* Phone */\n opacity: 0;\n transform: scale(0.5);\n}\n@media only screen and (max-width: 767px) {\n [data-tooltip]::after {\n padding: 8px 16px;\n font-size: 16px;\n }\n}\nmenu [data-tooltip]::after {\n left: 100%;\n top: 0%;\n}\nmenu .ML__base {\n cursor: default;\n}\n/** Don't display if we're tracking, i.e. have the pointer down */\n.tracking [data-tooltip]:hover::after {\n /* Use visibility, not display. Display will remove the after from the DOM, and the override below will not work */\n visibility: hidden;\n}\n/** But do display if tracking and inside a menu */\n.tracking menu li[data-tooltip]:hover::after,\n[data-tooltip]:hover::after {\n visibility: visible;\n opacity: 1;\n transform: scale(1);\n transition-property: opacity, scale;\n transition-duration: 0.15s;\n transition-delay: 1s;\n transition-timing-function: cubic-bezier(0.4, 0, 1, 1);\n}\n.ML__prompt {\n border-radius: 2px;\n}\n.ML__editablePromptBox {\n outline: 1px solid #acacac;\n border-radius: 2px;\n z-index: -1;\n}\n.ML__focusedPromptBox {\n outline: highlight auto 1px;\n}\n.ML__lockedPromptBox {\n background-color: rgba(142, 142, 141, 0.4);\n z-index: -1;\n}\n.ML__correctPromptBox {\n outline: 1px solid var(--_correct-color);\n box-shadow: 0 0 5px var(--_correct-color);\n}\n.ML__incorrectPromptBox {\n outline: 1px solid var(--_incorrect-color);\n box-shadow: 0 0 5px var(--_incorrect-color);\n}\n.variant-submenu {\n display: flex;\n flex-direction: column;\n padding: 8px;\n}\n.variant-submenu [part=menu-item] {\n font-size: 2rem;\n text-align: center;\n margin: 0;\n}\n.insert-matrix-submenu {\n display: grid;\n padding: 8px;\n align-content: center;\n justify-content: center;\n grid-template-columns: repeat(5, minmax(0, 1fr));\n}\n.insert-matrix-submenu [part=menu-item] {\n font-size: 21px;\n border: none;\n border-radius: 0;\n line-height: 21px;\n text-align: center;\n padding: 0;\n margin: 0;\n}\n.border-submenu [part=menu-item] {\n font-size: 2rem;\n line-height: 1.2;\n text-align: center;\n}\n.swatches-submenu {\n --_swatch-size: 2rem;\n --_columns: 4;\n display: flex;\n flex-flow: wrap;\n padding: 8px;\n max-width: calc(var(--_columns) * (var(--_swatch-size) + 18px) + 16px);\n box-sizing: border-box;\n}\n.menu-swatch {\n display: flex;\n align-items: center;\n justify-content: center;\n box-sizing: border-box;\n width: fit-content;\n height: fit-content;\n margin: 2px;\n padding: 0;\n background: var(--neutral-200);\n}\n.menu-swatch > .label {\n padding: 0;\n margin: 0;\n line-height: 0;\n}\n.menu-swatch > .label > span {\n display: inline-block;\n margin: 6px;\n min-width: var(--_swatch-size);\n min-height: var(--_swatch-size);\n border-radius: 50%;\n}\n.menu-swatch.active {\n background: var(--neutral-100);\n scale: 1.4;\n}\n.menu-swatch.active > .label > span {\n border-radius: 2px;\n}\n.menu-swatch .ui-checkmark,\n.menu-swatch .ui-mixedmark {\n position: absolute;\n margin: 0;\n padding: 0;\n color: white;\n}\n.menu-swatch.dark-contrast .ui-checkmark,\n.menu-swatch.dark-contrast .ui-mixedmark {\n color: #000;\n}\n";break;case"environment-popover":t="#mathlive-environment-popover.is-visible {\n visibility: visible;\n}\n#mathlive-environment-popover {\n --_environment-panel-height: var(--environment-panel-height, 70px);\n --_accent-color: var(--accent-color, #aaa);\n --_background: var(--environment-panel-background, #fff);\n --_button-background: var(--environment-panel-button-background, white);\n --_button-background-hover: var(--environment-panel-button-background-hover, #f5f5f7);\n --_button-background-active: var(--environment-panel-button-background-active, #f5f5f7);\n --_button-text: var(--environment-panel-button-text, #e3e4e8);\n position: absolute;\n width: calc(var(--_environment-panel-height) * 2);\n height: var(--_environment-panel-height);\n border-radius: 4px;\n border: 1.5px solid var(--_accent-color);\n background-color: var(--_background);\n box-shadow: 0 0 30px 0 var(--environment-shadow, rgba(0, 0, 0, 0.4));\n pointer-events: all;\n visibility: hidden;\n}\n#mathlive-environment-popover .MLEP__array-buttons {\n height: calc(var(--_environment-panel-height) * 5/4);\n width: calc(var(--_environment-panel-height) * 5/4);\n margin-left: calc(0px - var(--_environment-panel-height) * 0.16);\n margin-top: calc(0px - var(--_environment-panel-height) * 0.19);\n}\n#mathlive-environment-popover .MLEP__array-buttons .font {\n fill: white;\n}\n#mathlive-environment-popover .MLEP__array-buttons circle {\n fill: #7f7f7f;\n transition: fill 300ms;\n}\n#mathlive-environment-popover .MLEP__array-buttons .MLEP__array-insert-background {\n fill-opacity: 1;\n fill: var(--_background);\n stroke: var(--_accent-color);\n stroke-width: 3px;\n}\n#mathlive-environment-popover .MLEP__array-buttons line {\n stroke: var(--_accent-color);\n stroke-opacity: 0;\n stroke-width: 40;\n pointer-events: none;\n transition: stroke-opacity 300ms;\n stroke-linecap: round;\n}\n#mathlive-environment-popover .MLEP__array-buttons g[data-command]:hover circle {\n fill: var(--_accent-color);\n}\n#mathlive-environment-popover .MLEP__array-buttons g[data-command]:hover line {\n stroke-opacity: 1;\n}\n#mathlive-environment-popover .MLEP__environment-delimiter-controls {\n height: 100%;\n width: 50%;\n}\n#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options {\n width: var(--_environment-panel-height);\n height: var(--_environment-panel-height);\n display: flex;\n flex-wrap: wrap;\n flex-direction: row;\n justify-content: space-around;\n}\n#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg {\n pointer-events: all;\n margin-top: 2px;\n width: calc(var(--_environment-panel-height) / 3 * 28 / 24);\n height: calc(var(--_environment-panel-height) / 3 - 2px);\n border-radius: calc(var(--_environment-panel-height) / 25);\n background-color: var(--_button-background);\n}\n#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg:hover {\n background-color: var(--_button-background-hover);\n}\n#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg path,\n#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg line {\n stroke: var(--_button-text);\n stroke-width: 2;\n stroke-linecap: round;\n}\n#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg rect,\n#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg path {\n fill-opacity: 0;\n}\n#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg.active {\n pointer-events: none;\n background-color: var(--_button-background-active);\n}\n#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg.active path,\n#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg.active line {\n stroke: var(--_accent-color);\n}\n#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg.active circle {\n fill: var(--_accent-color);\n}\n";break;case"suggestion-popover":t="/* The element that display info while in latex mode */\n#mathlive-suggestion-popover {\n background-color: rgba(97, 97, 97);\n color: #fff;\n text-align: center;\n border-radius: 8px;\n position: fixed;\n z-index: 1;\n display: none;\n flex-direction: column;\n justify-content: center;\n box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);\n}\n#mathlive-suggestion-popover.top-tip::after {\n content: '';\n position: absolute;\n top: -15px;\n left: calc(50% - 15px);\n width: 0;\n height: 0;\n border-left: 15px solid transparent;\n border-right: 15px solid transparent;\n border-bottom: 15px solid rgba(97, 97, 97);\n font-size: 1rem;\n}\n#mathlive-suggestion-popover.bottom-tip::after {\n content: '';\n position: absolute;\n bottom: -15px;\n left: calc(50% - 15px);\n width: 0;\n height: 0;\n border-left: 15px solid transparent;\n border-right: 15px solid transparent;\n border-top: 15px solid rgba(97, 97, 97);\n font-size: 1rem;\n}\n#mathlive-suggestion-popover.is-animated {\n transition: all 0.2s cubic-bezier(0.64, 0.09, 0.08, 1);\n animation: ML__fade-in cubic-bezier(0, 0, 0.2, 1) 0.15s;\n}\n#mathlive-suggestion-popover.is-visible {\n display: flex;\n}\n@keyframes ML__fade-in {\n from {\n opacity: 0;\n }\n to {\n opacity: 1;\n }\n}\n/* The wrapper class for the entire content of the popover panel */\n#mathlive-suggestion-popover ul {\n display: flex;\n flex-flow: column;\n list-style: none;\n margin: 0;\n padding: 0;\n align-items: flex-start;\n max-height: 400px;\n overflow-y: auto;\n}\n#mathlive-suggestion-popover li {\n display: flex;\n flex-direction: row;\n justify-content: space-between;\n margin: 8px;\n padding: 8px;\n width: calc(100% - 16px - 16px);\n column-gap: 1em;\n border-radius: 8px;\n cursor: pointer;\n /* Since the content can be clicked on, provide feedback on hover */\n}\n#mathlive-suggestion-popover li a {\n color: #5ea6fd;\n padding-top: 0.3em;\n margin-top: 0.4em;\n display: block;\n}\n#mathlive-suggestion-popover li a:hover {\n color: #5ea6fd;\n text-decoration: underline;\n}\n#mathlive-suggestion-popover li:hover,\n#mathlive-suggestion-popover li.is-pressed,\n#mathlive-suggestion-popover li.is-active {\n background: rgba(255, 255, 255, 0.1);\n}\n/* The command inside a popover (inside a #mathlive-suggestion-popover) */\n.ML__popover__command {\n font-size: 1.6rem;\n font-family: KaTeX_Main;\n}\n.ML__popover__current {\n background: #5ea6fd;\n color: #fff;\n}\n.ML__popover__latex {\n font-family: 'IBM Plex Mono', 'Source Code Pro', Consolas, 'Roboto Mono', Menlo, 'Bitstream Vera Sans Mono', 'DejaVu Sans Mono', Monaco, Courier, monospace;\n align-self: center;\n}\n/* The keyboard shortcuts for a symbol as displayed in the popover */\n.ML__popover__keybinding {\n font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;\n font-size: 0.8em;\n opacity: 0.7;\n}\n/* Style for the character that joins the modifiers of a keyboard shortcut \n(usually a \"+\" sign)*/\n.ML__shortcut-join {\n opacity: 0.5;\n}\n";break;case"keystroke-caption":t="/* The element that displays the keys as the user type them */\n#mathlive-keystroke-caption-panel {\n visibility: hidden;\n /*min-width: 160px;*/\n /*background-color: rgba(97, 97, 200, .95);*/\n background: var(--secondary, hsl(var(--_hue), 19%, 26%));\n border-color: var(--secondary-border, hsl(0, 0%, 91%));\n box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);\n text-align: center;\n border-radius: 6px;\n padding: 16px;\n position: absolute;\n z-index: 1;\n display: flex;\n flex-direction: row-reverse;\n justify-content: center;\n --keystroke: white;\n --on-keystroke: #555;\n --keystroke-border: #f7f7f7;\n}\n@media (prefers-color-scheme: dark) {\n body:not([theme='light']) #mathlive-keystroke-caption-panel {\n --keystroke: hsl(var(--_hue), 50%, 30%);\n --on-keystroke: hsl(0, 0%, 98%);\n --keystroke-border: hsl(var(--_hue), 50%, 25%);\n }\n}\nbody[theme='dark'] #mathlive-keystroke-caption-panel {\n --keystroke: hsl(var(--_hue), 50%, 30%);\n --on-keystroke: hsl(0, 0%, 98%);\n --keystroke-border: hsl(var(--_hue), 50%, 25%);\n}\n#mathlive-keystroke-caption-panel > span {\n min-width: 14px;\n /*height: 8px;*/\n margin: 0 8px 0 0;\n padding: 4px;\n background-color: var(--keystroke);\n color: var(--on-keystroke);\n fill: currentColor;\n font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;\n font-size: 1em;\n border-radius: 6px;\n border: 2px solid var(--keystroke-border);\n /*box-shadow: 0 7px 14px rgba(0,0,0,0.25), 0 5px 5px rgba(0,0,0,0.22);*/\n}\n";break;case"virtual-keyboard":t=".ML__keyboard {\n --_keyboard-height: 0;\n --_keyboard-zindex: var(--keyboard-zindex, 105);\n --_accent-color: var(--keyboard-accent-color, #0c75d8);\n --_background: var(--keyboard-background, #cacfd7);\n --_border: var(--keyboard-border, #ddd);\n --_padding-horizontal: var(--keyboard-padding-horizontal, 0px);\n --_padding-top: var(--keyboard-padding-top, 5px);\n --_padding-bottom: var(--keyboard-padding-bottom, 0px);\n --_row-padding-left: var(--keyboard-row-padding-left, 0px);\n --_row-padding-right: var(--keyboard-row-padding-right, 0px);\n --_toolbar-text: var(--keyboard-toolbar-text, #2c2e2f);\n --_toolbar-text-active: var(--keyboard-toolbar-text-active, var(--_accent-color));\n --_toolbar-background: var(--keyboard-toolbar-background, transparent);\n --_toolbar-background-hover: var(--keyboard-toolbar-background-hover, #eee);\n --_toolbar-background-selected: var(--keyboard-toolbar-background-selected, transparent);\n --_toolbar-font-size: var(--keyboard-toolbar-font-size, '135%');\n --_horizontal-rule: var(--keyboard-horizontal-rule, 1px solid #fff);\n --_keycap-background: var(--keycap-background, white);\n --_keycap-background-hover: var(--keycap-background-hover, #f5f5f7);\n --_keycap-background-active: var(--keycap-background-active, var(--_accent-color));\n --_keycap-background-pressed: var(--keycap-background-pressed, var(--_accent-color));\n --_keycap-border: var(--keycap-border, #e5e6e9);\n --_keycap-border-bottom: var(--keycap-border-bottom, #8d8f92);\n --_keycap-text: var(--keycap-text, #000);\n --_keycap-text-active: var(--keycap-text-active, #fff);\n --_keycap-text-hover: var(--keycap-text-hover, var(--_keycap-text));\n --_keycap-text-pressed: var(--keycap-text-pressed, #fff);\n --_keycap-shift-text: var(--keycap-shift-text, var(--_accent-color));\n --_keycap-primary-background: var(--keycap-primary-background, var(--_accent-color));\n --_keycap-primary-text: var(--keycap-primary-text, #ddd);\n --_keycap-primary-background-hover: var(--keycap-primary-background-hover, #0d80f2);\n --_keycap-secondary-background: var(--keycap-secondary-background, #a0a9b8);\n --_keycap-secondary-background-hover: var(--keycap-secondary-background-hover, #7d8795);\n --_keycap-secondary-text: var(--keycap-secondary-text, #060707);\n --_keycap-secondary-border: var(--keycap-secondary-border, #c5c9d0);\n --_keycap-secondary-border-bottom: var(--keycap-secondary-border-bottom, #989da6);\n --_keycap-height: var(--keycap-height, 60px);\n /* Keycap width (incl. margin) */\n --_keycap-max-width: var(--keycap-max-width, 100px);\n --_keycap-gap: var(--keycap-gap, 8px);\n --_keycap-font-size: var(--keycap-font-size, clamp(16px, 4cqw, 24px));\n --_keycap-small-font-size: var(--keycap-small-font-size, calc(var(--keycap-font-size) * 0.8));\n --_keycap-extra-small-font-size: var(--keycap-extra-small-font-size, calc(var(--keycap-font-size) / 1.42));\n --_variant-panel-background: var(--variant-panel-background, #fff);\n --_variant-keycap-text: var(--variant-keycap-text, var(--_keycap-text));\n --_variant-keycap-text-active: var(--variant-keycap-text-active, var(--_keycap-text-active));\n --_variant-keycap-background-active: var(--variant-keycap-background-active, var(--_accent-color));\n --_variant-keycap-length: var(--variant-keycap-length, 70px);\n --_variant-keycap-font-size: var(--variant-keycap-font-size, 30px);\n --_variant-keycap-aside-font-size: var(--variant-keycap-aside-font-size, 12px);\n --_keycap-shift-font-size: var(--keycap-shift-font-size, 16px);\n --_keycap-shift-color: var(--keycap-shift-color, var(--_accent-color));\n --_box-placeholder-color: var(--box-placeholder-color, var(--_accent-color));\n --_box-placeholder-pressed-color: var(--box-placeholder-pressed-color, var(--keycap-text-pressed));\n}\n.is-math-mode .MLK__rows .if-text-mode,\n.is-text-mode .MLK__rows .if-math-mode {\n display: none;\n}\n.if-can-undo,\n.if-can-redo,\n.if-can-copy,\n.if-can-cut,\n.if-can-paste {\n opacity: 0.4;\n pointer-events: none;\n}\n.can-undo .if-can-undo,\n.can-redo .if-can-redo,\n.can-copy .if-can-copy,\n.can-cut .if-can-cut,\n.can-paste .if-can-paste {\n opacity: 1;\n pointer-events: all;\n}\nbody > .ML__keyboard {\n position: fixed;\n --_padding-bottom: calc(var(--keyboard-padding-bottom, 0px) + env(safe-area-inset-bottom, 0));\n}\nbody > .ML__keyboard.is-visible > .MLK__backdrop {\n box-shadow: 0 -5px 6px rgba(0, 0, 0, 0.08);\n border-top: 1px solid var(--_border);\n}\nbody > .ML__keyboard.backdrop-is-transparent.is-visible > .MLK__backdrop {\n box-shadow: none;\n border: none;\n}\nbody > .ML__keyboard.is-visible.animate > .MLK__backdrop {\n transition: 0.28s cubic-bezier(0, 0, 0.2, 1);\n transition-property: transform, opacity;\n transition-timing-function: cubic-bezier(0.4, 0, 1, 1);\n}\n.ML__keyboard {\n position: relative;\n overflow: hidden;\n top: 0;\n left: 0;\n height: 100%;\n width: 100%;\n z-index: var(--_keyboard-zindex);\n box-sizing: border-box;\n outline: none;\n border: none;\n margin: 0;\n padding: 0;\n line-height: 1;\n overflow-wrap: unset;\n text-align: left;\n vertical-align: baseline;\n cursor: auto;\n white-space: pre;\n box-shadow: none;\n opacity: 1;\n transform: none;\n pointer-events: none;\n}\n.ML__keyboard :where(div) {\n box-sizing: border-box;\n outline: none;\n border: none;\n margin: 0;\n padding: 0;\n line-height: 1;\n overflow-wrap: unset;\n text-align: left;\n vertical-align: baseline;\n cursor: auto;\n white-space: pre;\n box-shadow: none;\n transform: none;\n}\n.MLK__backdrop {\n position: absolute;\n bottom: calc(-1 * var(--_keyboard-height));\n width: 100%;\n height: var(--_keyboard-height);\n box-sizing: border-box;\n padding-top: var(--_padding-top);\n padding-bottom: var(--_padding-bottom);\n padding-left: var(--_padding-horizontal);\n padding-right: var(--_padding-horizontal);\n opacity: 0;\n visibility: hidden;\n transform: translate(0, 0);\n background: var(--_background);\n}\n.backdrop-is-transparent .MLK__backdrop {\n background: transparent;\n}\n/* If a custom layout has a custom container/backdrop\n (backdrop-is-transparent), make sure to let pointer event go through. */\n.backdrop-is-transparent .MLK__plate {\n background: transparent;\n pointer-events: none;\n}\n/* If a custom layout has a custom container/backdrop, make sure to \n allow pointer events on it. */\n.backdrop-is-transparent .MLK__layer > div > div {\n pointer-events: all;\n}\n.ML__keyboard.is-visible > .MLK__backdrop {\n transform: translate(0, calc(-1 * var(--_keyboard-height)));\n opacity: 1;\n visibility: visible;\n}\n.caps-lock-indicator {\n display: none;\n width: 8px;\n height: 8px;\n background: #0cbc0c;\n box-shadow: inset 0 0 4px 0 #13ca13, 0 0 4px 0 #a9ef48;\n border-radius: 8px;\n right: 8px;\n top: 8px;\n position: absolute;\n}\n.ML__keyboard.is-caps-lock .caps-lock-indicator {\n display: block;\n}\n.ML__keyboard.is-caps-lock .shift {\n background: var(--_keycap-background-active);\n color: var(--_keycap-text-active);\n}\n.MLK__plate {\n position: absolute;\n top: var(--_padding-top);\n left: var(--_padding-horizontal);\n width: calc(100% - 2 * var(--_padding-horizontal));\n margin: 0;\n padding: 0;\n box-sizing: border-box;\n container-type: inline-size;\n touch-action: none;\n -webkit-user-select: none;\n user-select: none;\n pointer-events: all;\n font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;\n font-size: 16px;\n /* Size of toolbar labels */\n font-weight: 400;\n text-shadow: none;\n}\n.ML__box-placeholder {\n color: var(--_box-placeholder-color);\n}\n.MLK__tex {\n font-family: KaTeX_Main, KaTeX_Math, 'Cambria Math', 'Asana Math', OpenSymbol, Symbola, STIX, Times, serif !important;\n}\n.MLK__tex-math {\n font-family: KaTeX_Math, KaTeX_Main, 'Cambria Math', 'Asana Math', OpenSymbol, Symbola, STIX, Times, serif !important;\n font-style: italic;\n}\n.MLK__layer {\n display: none;\n outline: none;\n}\n.MLK__layer.is-visible {\n display: flex;\n flex-flow: column;\n}\n/* Keyboard layouts are made or rows of keys... */\n.MLK__rows {\n --_keycap-width: min(var(--_keycap-max-width), 10cqw);\n display: flex;\n flex-flow: column;\n align-items: center;\n border-collapse: separate;\n clear: both;\n border: 0;\n margin: 0;\n margin-bottom: var(--_keycap-gap);\n gap: var(--_keycap-gap);\n /* If the styling include, e.g., some shadows, they will be\n cut off by the overflow. In that case, set the padding to \n compensate. */\n padding-left: var(--_row-padding-left);\n padding-right: var(--_row-padding-right);\n overflow: visible;\n touch-action: none;\n}\n.MLK__rows > .MLK__row {\n display: flex;\n flex-flow: row;\n justify-content: center;\n width: 100%;\n gap: var(--_keycap-gap);\n margin: 0;\n padding: 0;\n /* For the alignment of the text on some modifiers (e.g. shift) */\n /* Extra spacing between two adjacent keys */\n}\n.MLK__rows > .MLK__row .tex {\n font-family: KaTeX_Math, KaTeX_Main, 'Cambria Math', 'Asana Math', OpenSymbol, Symbola, STIX, Times, serif !important;\n}\n.MLK__rows > .MLK__row .tex-math {\n font-family: KaTeX_Math, 'Cambria Math', 'Asana Math', OpenSymbol, Symbola, STIX, Times, serif !important;\n}\n.MLK__rows > .MLK__row .big-op {\n font-size: calc(1.25 * var(--_keycap-font-size));\n}\n.MLK__rows > .MLK__row .small {\n font-size: var(--_keycap-small-font-size);\n}\n.MLK__rows > .MLK__row .bottom {\n justify-content: flex-end;\n}\n.MLK__rows > .MLK__row .left {\n align-items: flex-start;\n padding-left: 12px;\n}\n.MLK__rows > .MLK__row .right {\n align-items: flex-end;\n padding-right: 12px;\n}\n.MLK__rows > .MLK__row .w0 {\n width: 0;\n}\n.MLK__rows > .MLK__row .w5 {\n width: calc(0.5 * var(--_keycap-width) - var(--_keycap-gap));\n}\n.MLK__rows > .MLK__row .w15 {\n width: calc(1.5 * var(--_keycap-width) - var(--_keycap-gap));\n}\n.MLK__rows > .MLK__row .w20 {\n width: calc(2 * var(--_keycap-width) - var(--_keycap-gap));\n}\n.MLK__rows > .MLK__row .w40 {\n width: calc(4 * var(--_keycap-width) - var(--_keycap-gap));\n}\n.MLK__rows > .MLK__row .w50 {\n width: calc(5 * var(--_keycap-width) - var(--_keycap-gap));\n}\n.MLK__rows > .MLK__row .MLK__keycap.w50 {\n font-size: 80%;\n padding-top: 10px;\n font-weight: 100;\n}\n.MLK__rows > .MLK__row .separator {\n background: transparent;\n border: none;\n pointer-events: none;\n}\n.MLK__rows > .MLK__row .horizontal-rule {\n height: 6px;\n margin-top: 3px;\n margin-bottom: 0;\n width: 100%;\n border-radius: 0;\n border-top: var(--_horizontal-rule);\n}\n.MLK__rows > .MLK__row .ghost {\n background: var(--_toolbar-background);\n border: none;\n color: var(--_toolbar-text);\n}\n.MLK__rows > .MLK__row .ghost:hover {\n background: var(--_toolbar-background-hover);\n}\n.MLK__rows > .MLK__row .bigfnbutton {\n font-size: var(--_keycap-extra-small-font-size);\n}\n.MLK__rows > .MLK__row .shift,\n.MLK__rows > .MLK__row .action {\n color: var(--_keycap-secondary-text);\n background: var(--_keycap-secondary-background);\n border-color: var(--_keycap-secondary-border);\n border-bottom-color: var(--_keycap-secondary-border-bottom);\n line-height: 0.8;\n font-size: min(1rem, var(--_keycap-small-font-size));\n font-weight: 600;\n padding: 8px 12px 8px 12px;\n}\n.MLK__rows > .MLK__row .shift:hover,\n.MLK__rows > .MLK__row .action:hover {\n background: var(--_keycap-secondary-background-hover);\n}\n.MLK__rows > .MLK__row .action.primary {\n background: var(--_keycap-primary-background);\n color: var(--_keycap-primary-text);\n}\n.MLK__rows > .MLK__row .action.primary:hover {\n background: var(--_keycap-primary-background-hover);\n color: var(--_keycap-primary-text);\n}\n.MLK__rows > .MLK__row .shift.selected,\n.MLK__rows > .MLK__row .action.selected {\n color: var(--_toolbar-text-active);\n}\n.MLK__rows > .MLK__row .shift.selected.is-pressed,\n.MLK__rows > .MLK__row .action.selected.is-pressed,\n.MLK__rows > .MLK__row .shift.selected.is-active,\n.MLK__rows > .MLK__row .action.selected.is-active {\n color: white;\n}\n.MLK__rows > .MLK__row .warning {\n background: #cd0030;\n color: white;\n}\n.MLK__rows > .MLK__row .warning svg.svg-glyph {\n width: 24px;\n height: 24px;\n min-height: 24px;\n}\n/** A regular keycap\n * Use the :where() pseudo-class to give it a very low specifity, \n * so that it can be overriden by custom style.\n */\n:where(.MLK__rows > .MLK__row div) {\n display: flex;\n flex-flow: column;\n align-items: center;\n justify-content: space-evenly;\n width: calc(var(--_keycap-width) - var(--_keycap-gap));\n height: var(--_keycap-height);\n box-sizing: border-box;\n padding: 0;\n vertical-align: top;\n text-align: center;\n float: left;\n color: var(--_keycap-text);\n fill: currentColor;\n font-size: var(--_keycap-font-size);\n background: var(--_keycap-background);\n border: 1px solid var(--_keycap-border);\n border-bottom-color: var(--_keycap-border-bottom);\n border-radius: 6px;\n cursor: pointer;\n touch-action: none;\n /* Keys with a variants panel */\n position: relative;\n overflow: hidden;\n -webkit-user-select: none;\n user-select: none;\n -webkit-tap-highlight-color: transparent;\n}\n:where(.MLK__rows > .MLK__row div):hover {\n overflow: visible;\n background: var(--_keycap-background-hover);\n}\n:where(.MLK__rows > .MLK__row div) .ML__latex {\n pointer-events: none;\n touch-action: none;\n}\n:where(.MLK__rows > .MLK__row div) svg.svg-glyph {\n margin: 8px 0;\n width: 20px;\n height: 20px;\n min-height: 20px;\n}\n:where(.MLK__rows > .MLK__row div) svg.svg-glyph-lg {\n margin: 8px 0;\n width: 24px;\n height: 24px;\n min-height: 24px;\n}\n:where(.MLK__rows > .MLK__row div).MLK__tex-math {\n font-size: 25px;\n}\n:where(.MLK__rows > .MLK__row div).is-pressed {\n background: var(--_keycap-background-pressed);\n color: var(--_keycap-text-pressed);\n --_box-placeholder-color: var(--_box-placeholder-pressed-color);\n}\n:where(.MLK__rows > .MLK__row div).MLK__keycap.is-active,\n:where(.MLK__rows > .MLK__row div).action.is-active,\n:where(.MLK__rows > .MLK__row div).MLK__keycap.is-pressed,\n:where(.MLK__rows > .MLK__row div).action.is-pressed {\n z-index: calc(var(--_keyboard-zindex) - 5);\n}\n:where(.MLK__rows > .MLK__row div).MLK__keycap.is-active aside,\n:where(.MLK__rows > .MLK__row div).action.is-active aside,\n:where(.MLK__rows > .MLK__row div).MLK__keycap.is-pressed aside,\n:where(.MLK__rows > .MLK__row div).action.is-pressed aside {\n display: none;\n}\n:where(.MLK__rows > .MLK__row div).MLK__keycap.is-active .MLK__shift,\n:where(.MLK__rows > .MLK__row div).action.is-active .MLK__shift,\n:where(.MLK__rows > .MLK__row div).MLK__keycap.is-pressed .MLK__shift,\n:where(.MLK__rows > .MLK__row div).action.is-pressed .MLK__shift {\n display: none;\n}\n:where(.MLK__rows > .MLK__row div).shift.is-pressed,\n:where(.MLK__rows > .MLK__row div).MLK__keycap.is-pressed,\n:where(.MLK__rows > .MLK__row div).action.is-pressed {\n background: var(--_keycap-background-pressed);\n color: var(--_keycap-text-pressed);\n}\n:where(.MLK__rows > .MLK__row div).shift.is-active,\n:where(.MLK__rows > .MLK__row div).MLK__keycap.is-active,\n:where(.MLK__rows > .MLK__row div).action.is-active {\n background: var(--_keycap-background-active);\n color: var(--_keycap-text-active);\n --_box-placeholder-color: var(--_box-placeholder-pressed-color);\n}\n:where(.MLK__rows > .MLK__row div) small {\n color: var(--_keycap-secondary-text);\n}\n:where(.MLK__rows > .MLK__row div) aside {\n font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;\n font-size: 10px;\n line-height: 10px;\n color: var(--_keycap-secondary-text);\n}\n/* Add an attribute 'data-tooltip' to display a tooltip on hover.\nNote there are a different set of tooltip rules for the keyboard toggle\n(it's in a different CSS tree) */\n.ML__keyboard [data-tooltip] {\n position: relative;\n}\n.ML__keyboard [data-tooltip]::after {\n position: absolute;\n display: inline-table;\n content: attr(data-tooltip);\n top: inherit;\n bottom: 100%;\n width: max-content;\n max-width: 200px;\n padding: 8px 8px;\n background: #616161;\n color: #fff;\n text-align: center;\n z-index: 2;\n box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12), 0 3px 1px -2px rgba(0, 0, 0, 0.2);\n border-radius: 2px;\n font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;\n font-weight: 400;\n font-size: 12px;\n transition: all 0.15s cubic-bezier(0.4, 0, 1, 1) 1s;\n opacity: 0;\n transform: scale(0.5);\n}\n.ML__keyboard [data-tooltip]:hover {\n position: relative;\n}\n.ML__keyboard [data-tooltip]:hover::after {\n opacity: 1;\n transform: scale(1);\n}\n.MLK__toolbar {\n align-self: center;\n display: flex;\n flex-flow: row;\n justify-content: space-between;\n width: 100%;\n max-width: 996px;\n min-height: 32px;\n /* Icons for undo/redo, etc. */\n}\n.MLK__toolbar svg {\n height: 20px;\n width: 20px;\n}\n.MLK__toolbar > .left {\n position: relative;\n display: flex;\n justify-content: flex-start;\n flex-flow: row;\n}\n.MLK__toolbar > .right {\n display: flex;\n justify-content: flex-end;\n flex-flow: row;\n}\n.MLK__toolbar > div > div {\n /* \"button\" in the toolbar */\n display: flex;\n align-items: center;\n justify-content: center;\n color: var(--_toolbar-text);\n fill: currentColor;\n background: var(--_toolbar-background);\n font-size: var(--_toolbar-font-size);\n padding: 4px 15px;\n cursor: pointer;\n width: max-content;\n min-width: 42px;\n min-height: 34px;\n border: none;\n padding-left: 10px;\n padding-right: 10px;\n padding-bottom: 8px;\n padding-top: 8px;\n margin-top: 0;\n margin-bottom: 4px;\n margin-left: 4px;\n margin-right: 4px;\n border-radius: 8px;\n box-shadow: none;\n border-bottom: 2px solid transparent;\n}\n.MLK__toolbar > div > div:not(.disabled):not(.selected):hover {\n background: var(--_toolbar-background-hover);\n}\n.MLK__toolbar > div > div.disabled svg,\n.MLK__toolbar > div > div.disabled:hover svg,\n.MLK__toolbar > div > div.disabled.is-pressed svg {\n color: var(--_toolbar-text);\n opacity: 0.2;\n}\n.MLK__toolbar > div > div:hover,\n.MLK__toolbar > div > div:active,\n.MLK__toolbar > div > div.is-pressed,\n.MLK__toolbar > div > div.is-active {\n color: var(--_toolbar-text-active);\n}\n.MLK__toolbar > div > div.selected {\n color: var(--_toolbar-text-active);\n background: var(--_toolbar-background-selected);\n border-radius: 0;\n border-bottom-color: var(--_toolbar-text-active);\n padding-bottom: 4px;\n margin-bottom: 8px;\n}\n/* This is the element that displays variants on press+hold */\n.MLK__variant-panel {\n visibility: hidden;\n position: fixed;\n display: flex;\n flex-flow: row wrap-reverse;\n justify-content: center;\n align-content: center;\n margin: 0;\n padding: 0;\n bottom: auto;\n top: 0;\n box-sizing: content-box;\n transform: none;\n z-index: calc(var(--_keyboard-zindex) + 1);\n touch-action: none;\n max-width: 350px;\n background: var(--_variant-panel-background);\n text-align: center;\n border-radius: 6px;\n padding: 6px;\n box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);\n transition: none;\n}\n.MLK__variant-panel.is-visible {\n visibility: visible;\n}\n.MLK__variant-panel.compact {\n --_variant-keycap-length: var(--variant-keycap-length, 50px);\n --_variant-keycap-font-size: var(--variant-keycap-font-size, 24px);\n --_variant-keycap-aside-font-size: var(--variant-keycap-aside-font-size, 10px);\n}\n.MLK__variant-panel .item {\n display: flex;\n flex-flow: column;\n align-items: center;\n justify-content: center;\n font-size: var(--_variant-keycap-font-size);\n height: var(--_variant-keycap-length);\n width: var(--_variant-keycap-length);\n margin: 0;\n box-sizing: border-box;\n border-radius: 5px;\n border: 1px solid transparent;\n background: transparent;\n pointer-events: all;\n cursor: pointer;\n color: var(--_variant-keycap-text);\n fill: currentColor;\n}\n@media (max-height: 412px) {\n .MLK__variant-panel .item {\n --_variant-keycap-font-size: var(--variant-keycap-font-size, 24px);\n --_variant-keycap-length: var(--variant-keycap-length, 50px);\n }\n}\n.MLK__variant-panel .item .ML__latex {\n pointer-events: none;\n}\n.MLK__variant-panel .item.is-active {\n background: var(--_variant-keycap-background-active);\n color: var(--_variant-keycap-text-active);\n}\n.MLK__variant-panel .item.is-pressed {\n background: var(--_variant-keycap-background-pressed);\n color: var(--_variant-keycap-text-pressed);\n}\n.MLK__variant-panel .item.small {\n font-size: var(--_keycap-small-font-size);\n}\n.MLK__variant-panel .item.swatch-button {\n box-sizing: border-box;\n background: #fbfbfb;\n}\n.MLK__variant-panel .item.swatch-button > span {\n display: inline-block;\n margin: 6px;\n width: calc(100% - 12px);\n height: calc(100% - 12px);\n border-radius: 50%;\n}\n.MLK__variant-panel .item.swatch-button:hover {\n background: #f0f0f0;\n}\n.MLK__variant-panel .item.swatch-button:hover > span {\n border-radius: 2px;\n}\n.MLK__variant-panel .item.box > div,\n.MLK__variant-panel .item.box > span {\n border: 1px dashed rgba(0, 0, 0, 0.24);\n}\n.MLK__variant-panel .item .warning {\n min-height: 60px;\n min-width: 60px;\n background: #cd0030;\n color: white;\n padding: 5px;\n display: flex;\n align-items: center;\n justify-content: center;\n border-radius: 5px;\n}\n.MLK__variant-panel .item .warning.is-pressed,\n.MLK__variant-panel .item .warning.is-active {\n background: red;\n}\n.MLK__variant-panel .item .warning svg.svg-glyph {\n width: 50px;\n height: 50px;\n}\n.MLK__variant-panel .item aside {\n font-size: var(--_variant-keycap-aside-font-size);\n line-height: 12px;\n opacity: 0.78;\n padding-top: 2px;\n}\n.MLK__keycap {\n position: relative;\n}\n.MLK__shift {\n display: block;\n position: absolute;\n right: 4px;\n top: 4px;\n font-size: var(--_keycap-shift-font-size);\n color: var(--_keycap-shift-color);\n}\n.hide-shift .MLK__shift {\n display: none;\n}\n@media (max-width: 414px) {\n .MLK__variant-panel {\n max-width: 350px;\n --_variant-keycap-font-size: var(--variant-keycap-font-size, 24px);\n --_variant-keycap-length: var(--variant-keycap-length, 50px);\n }\n}\n/* @xs breakpoint: iPhone 5 */\n@container (max-width: 414px) {\n .MLK__rows {\n --_keycap-gap: max(var(--_keycap-gap, 2px), 2px);\n --_keycap-height: max(var(--_keycap-height), 42px);\n --_keycap-width: min(min(var(--_keycap-max-width), 10cqw), 62px);\n }\n .MLK__toolbar > div > div {\n font-size: 100%;\n margin-left: 2px;\n margin-right: 2px;\n }\n .MLK__rows .shift,\n .MLK__rows .action {\n font-size: 65%;\n }\n .MLK__rows .warning svg.svg-glyph {\n width: 14px;\n height: 14px;\n min-height: 14px;\n }\n}\n@container (max-width: 744px) {\n .MLK__rows {\n --_keycap-gap: max(var(--keycap-gap, 2px), 2px);\n --_keycap-height: max(var(--keycap-height, 52px), 52px);\n --_keycap-width: min(min(var(--_keycap-max-width), 10cqw), 62px);\n }\n .MLK__toolbar > div > div {\n padding-left: 0;\n padding-right: 0;\n }\n .MLK__tooltip::after {\n padding: 8px 16px;\n font-size: 16px;\n }\n .MLK__rows > .MLK__row > div.fnbutton {\n font-size: 16px;\n }\n .MLK__rows > .MLK__row > div.bigfnbutton {\n font-size: calc(var(--_keycap-extra-small-font-size) / 1.55);\n }\n .MLK__rows > .MLK__row > div.small {\n font-size: 13px;\n }\n .MLK__rows > .MLK__row > div > aside {\n display: none;\n }\n .MLK__shift {\n display: none;\n }\n}\n/* Medium breakpoint: larger phones */\n@container (max-width: 768px) {\n .MLK__rows {\n --_keycap-height: max(var(--keycap-height, 42px), 42px);\n }\n .MLK__rows > .MLK__row > div > small {\n font-size: 14px;\n }\n}\n@media (max-height: 768px) {\n .MLK__rows {\n --_keycap-height: max(var(--keycap-height, 42px), 42px);\n }\n .MLK__rows > .MLK__row > div > small {\n font-size: 14px;\n }\n}\n@container (max-width: 1444px) {\n .MLK__rows .if-wide {\n display: none;\n }\n}\n@media (prefers-color-scheme: dark) {\n .ML__keyboard {\n --_accent-color: var(--keyboard-accent-color, #0b5c9c);\n --_background: var(--keyboard-background, #151515);\n --_border: var(--keyboard-border, transparent);\n --_toolbar-text: var(--keyboard-toolbar-text, #e3e4e8);\n --_toolbar-background-hover: var(--keyboard-toolbar-background-hover, #303030);\n --keyboard-toolbar-background-hover: #303030;\n --_horizontal-rule: var(--keyboard-horizontal-rule, 1px solid #303030);\n --_keycap-background: var(--keycap-background, #1f2022);\n --_keycap-background-hover: var(--keycap-background-hover, #2f3032);\n --_keycap-border: var(--_keycap-border, transparent);\n --_keycap-border-bottom: var(--_keycap-border-bottom, transparent);\n --_keycap-text: var(--keycap-text, #e3e4e8);\n --_keycap-secondary-background: var(--keycap-secondary-background, #3d4144);\n --_keycap-secondary-background-hover: var(--keycap-secondary-background-hover, #4d5154);\n --_keycap-secondary-text: var(--keycap-secondary-text, #e7ebee);\n --keycap-secondary-border: transparent;\n --keycap-secondary-border-bottom: transparent;\n --_keycap-secondary-border: var(--keycap-secondary-border, transparent);\n --_keycap-secondary-border-bottom: var(--keycap-secondary-border-bottom, transparent);\n --_variant-panel-background: var(--variant-panel-background, #303030);\n --_variant-keycap-text-active: var(--variant-keycap-text-active, #fff);\n }\n}\n/* Same as the media query, but with a class */\n[theme='dark'] .ML__keyboard {\n --_accent-color: var(--keyboard-accent-color, #0b5c9c);\n --_background: var(--keyboard-background, #151515);\n --_border: var(--keyboard-border, transparent);\n --_toolbar-text: var(--keyboard-toolbar-text, #e3e4e8);\n --_toolbar-background-hover: var(--keyboard-toolbar-background-hover, #303030);\n --keyboard-toolbar-background-hover: #303030;\n --_horizontal-rule: var(--keyboard-horizontal-rule, 1px solid #303030);\n --_keycap-background: var(--keycap-background, #1f2022);\n --_keycap-background-hover: var(--keycap-background-hover, #2f3032);\n --_keycap-border: var(--_keycap-border, transparent);\n --_keycap-border-bottom: var(--_keycap-border-bottom, transparent);\n --_keycap-text: var(--keycap-text, #e3e4e8);\n --_keycap-secondary-background: var(--keycap-secondary-background, #3d4144);\n --_keycap-secondary-background-hover: var(--keycap-secondary-background-hover, #4d5154);\n --_keycap-secondary-text: var(--keycap-secondary-text, #e7ebee);\n --keycap-secondary-border: transparent;\n --keycap-secondary-border-bottom: transparent;\n --_keycap-secondary-border: var(--keycap-secondary-border, transparent);\n --_keycap-secondary-border-bottom: var(--keycap-secondary-border-bottom, transparent);\n --_variant-panel-background: var(--variant-panel-background, #303030);\n --_variant-keycap-text-active: var(--variant-keycap-text-active, #fff);\n}\n[theme='light'] .ML__keyboard {\n --_accent-color: var(--keyboard-accent-color, #0c75d8);\n --_background: var(--keyboard-background, #cacfd7);\n --_border: var(--keyboard-border, #ddd);\n --_toolbar-text: var(--keyboard-toolbar-text, #2c2e2f);\n --_toolbar-background: var(--keyboard-toolbar-background, transparent);\n --_toolbar-background-hover: var(--keyboard-toolbar-background-hover, #eee);\n --_toolbar-background-selected: var(--keyboard-toolbar-background-selected, transparent);\n --_horizontal-rule: var(--keyboard-horizontal-rule, 1px solid #fff);\n --_keycap-background: var(--keycap-background, white);\n --_keycap-background-hover: var(--keycap-background-hover, #f5f5f7);\n --_keycap-background-active: var(--keycap-background-active, var(--_accent-color));\n --_keycap-background-pressed: var(--keycap-background-pressed, var(--_accent-color));\n --_keycap-border: var(--_keycap-border, #e5e6e9);\n --_keycap-border-bottom: var(--_keycap-border-bottom, #8d8f92);\n --_keycap-text: var(--keycap-text, #000);\n --_keycap-text-active: var(--keycap-text-active, #fff);\n --_keycap-text-hover: var(--keycap-text-hover, var(--_keycap-text));\n --_keycap-text-pressed: var(--keycap-text-pressed, #fff);\n --_keycap-shift-text: var(--keycap-shift-text, var(--_accent-color));\n --_keycap-secondary-background: var(--keycap-secondary-background, #a0a9b8);\n --_keycap-secondary-background-hover: var(--keycap-secondary-background-hover, #7d8795);\n --_keycap-secondary-text: var(--keycap-secondary-text, #060707);\n --_keycap-secondary-border: var(--keycap-secondary-border, #c5c9d0);\n --_keycap-secondary-border-bottom: var(--keycap-secondary-border-bottom, #989da6);\n --_variant-panel-background: var(--variant-panel-background, #fff);\n --_variant-keycap-text: var(--variant-keycap-textvar, var(--_keycap-text));\n --_variant-keycap-text-active: var(--variant-keycap-text-active, var(--_keycap-text-active));\n --_variant-keycap-background-active: var(--variant-keycap-background-active, var(--_accent-color));\n}\n";break;case"ui":t=":host {\n --primary-color: #5898ff;\n --primary-color-dimmed: #c0c0f0;\n --primary-color-dark: var(--blue-500);\n --primary-color-light: var(--blue-100);\n --primary-color-reverse: #ffffff;\n --secondary-color: #ff8a65;\n --secondary-color-dimmed: #f0d5c5;\n --secondary-color-dark: var(--orange-500);\n --secondary-color-light: var(--orange-100);\n --secondary-color-reverse: #ffffff;\n --link-color: #5898ff;\n --link-color-dimmed: #c5c5c5;\n --link-color-dark: #121212;\n --link-color-light: #e2e2e2;\n --link-color-reverse: #ffffff;\n --semantic-blue: var(--blue-700);\n --semantic-red: var(--red-400);\n --semantic-orange: var(--orange-400);\n --semantic-green: var(--green-700);\n --neutral-100: #f5f5f5;\n --neutral-200: #eeeeee;\n --neutral-300: #e0e0e0;\n --neutral-400: #bdbdbd;\n --neutral-500: #9e9e9e;\n --neutral-600: #757575;\n --neutral-700: #616161;\n --neutral-800: #424242;\n --neutral-900: #212121;\n --red-25: #fff8f7;\n --red-50: #fff1ef;\n --red-100: #ffeae6;\n --red-200: #ffcac1;\n --red-300: #ffa495;\n --red-400: #ff7865;\n --red-500: #f21c0d;\n --red-600: #e50018;\n --red-700: #d30024;\n --red-800: #bd002c;\n --red-900: #a1002f;\n --orange-25: #fffbf8;\n --orange-50: #fff7f1;\n --orange-100: #fff3ea;\n --orange-200: #ffe1c9;\n --orange-300: #ffcca2;\n --orange-400: #ffb677;\n --orange-500: #fe9310;\n --orange-600: #f58700;\n --orange-700: #ea7c00;\n --orange-800: #dc6d00;\n --orange-900: #ca5b00;\n --brown-25: #fff8ef;\n --brown-50: #fff1df;\n --brown-100: #ffe9ce;\n --brown-200: #ebcca6;\n --brown-300: #cdaf8a;\n --brown-400: #af936f;\n --brown-500: #856a47;\n --brown-600: #7f5e34;\n --brown-700: #78511f;\n --brown-800: #6e4200;\n --brown-900: #593200;\n --yellow-25: #fffdf9;\n --yellow-50: #fffcf2;\n --yellow-100: #fffaec;\n --yellow-200: #fff2ce;\n --yellow-300: #ffe8ab;\n --yellow-400: #ffdf85;\n --yellow-500: #ffcf33;\n --yellow-600: #f1c000;\n --yellow-700: #dfb200;\n --yellow-800: #c9a000;\n --yellow-900: #ad8a00;\n --lime-25: #f4ffee;\n --lime-50: #e9ffdd;\n --lime-100: #ddffca;\n --lime-200: #a8fb6f;\n --lime-300: #94e659;\n --lime-400: #80d142;\n --lime-500: #63b215;\n --lime-600: #45a000;\n --lime-700: #268e00;\n --lime-800: #007417;\n --lime-900: #005321;\n --green-25: #f5fff5;\n --green-50: #ebffea;\n --green-100: #e0ffdf;\n --green-200: #a7ffa7;\n --green-300: #5afa65;\n --green-400: #45e953;\n --green-500: #17cf36;\n --green-600: #00b944;\n --green-700: #00a34a;\n --green-800: #008749;\n --green-900: #00653e;\n --teal-25: #f3ffff;\n --teal-50: #e6fffe;\n --teal-100: #d9fffe;\n --teal-200: #8dfffe;\n --teal-300: #57f4f4;\n --teal-400: #43e5e5;\n --teal-500: #17cfcf;\n --teal-600: #00c2c0;\n --teal-700: #00b5b1;\n --teal-800: #00a49e;\n --teal-900: #009087;\n --cyan-25: #f7fcff;\n --cyan-50: #eff8ff;\n --cyan-100: #e7f5ff;\n --cyan-200: #c2e6ff;\n --cyan-300: #95d5ff;\n --cyan-400: #61c4ff;\n --cyan-500: #13a7ec;\n --cyan-600: #069eda;\n --cyan-700: #0095c9;\n --cyan-800: #0088b2;\n --cyan-900: #0a7897;\n --blue-25: #f7faff;\n --blue-50: #eef5ff;\n --blue-100: #e5f1ff;\n --blue-200: #bfdbff;\n --blue-300: #92c2ff;\n --blue-400: #63a8ff;\n --blue-500: #0d80f2;\n --blue-600: #0077db;\n --blue-700: #006dc4;\n --blue-800: #0060a7;\n --blue-900: #005086;\n --indigo-25: #f8f7ff;\n --indigo-50: #f1efff;\n --indigo-100: #eae7ff;\n --indigo-200: #ccc3ff;\n --indigo-300: #ac99ff;\n --indigo-400: #916aff;\n --indigo-500: #63c;\n --indigo-600: #5a21b2;\n --indigo-700: #4e0b99;\n --indigo-800: #3b0071;\n --indigo-900: #220040;\n --purple-25: #fbf7ff;\n --purple-50: #f8f0ff;\n --purple-100: #f4e8ff;\n --purple-200: #e4c4ff;\n --purple-300: #d49aff;\n --purple-400: #c36aff;\n --purple-500: #a219e6;\n --purple-600: #9000c4;\n --purple-700: #7c009f;\n --purple-800: #600073;\n --purple-900: #3d0043;\n --magenta-25: #fff8fb;\n --magenta-50: #fff2f6;\n --magenta-100: #ffebf2;\n --magenta-200: #ffcddf;\n --magenta-300: #ffa8cb;\n --magenta-400: #ff7fb7;\n --magenta-500: #eb4799;\n --magenta-600: #da3689;\n --magenta-700: #c82179;\n --magenta-800: #b00065;\n --magenta-900: #8a004c;\n}\n@media (prefers-color-scheme: dark) {\n :host {\n --semantic-blue: var(--blue-700);\n --semantic-red: var(--red-400);\n --semantic-orange: var(--orange-400);\n --semantic-green: var(--green-700);\n --semantic-bg-blue: var(--blue-25);\n --semantic-bg-red: var(--red-25);\n --semantic-bg-orange: var(--orange-25);\n --semantic-bg-green: var(--green-25);\n --neutral-100: #121212;\n --neutral-200: #424242;\n --neutral-300: #616161;\n --neutral-400: #757575;\n --neutral-500: #9e9e9e;\n --neutral-600: #bdbdbd;\n --neutral-700: #e0e0e0;\n --neutral-800: #eeeeee;\n --neutral-900: #f5f5f5;\n }\n}\n:host([theme='dark']) {\n --semantic-blue: var(--blue-700);\n --semantic-red: var(--red-400);\n --semantic-orange: var(--orange-400);\n --semantic-green: var(--green-700);\n --semantic-bg-blue: var(--blue-25);\n --semantic-bg-red: var(--red-25);\n --semantic-bg-orange: var(--orange-25);\n --semantic-bg-green: var(--green-25);\n --neutral-100: #121212;\n --neutral-200: #424242;\n --neutral-300: #616161;\n --neutral-400: #757575;\n --neutral-500: #9e9e9e;\n --neutral-600: #bdbdbd;\n --neutral-700: #e0e0e0;\n --neutral-800: #eeeeee;\n --neutral-900: #f5f5f5;\n}\n/* @media (prefers-color-scheme: dark) {\n :host {\n --label-color: #fff;\n 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n=e.command;!n&&e.insert&&(n=["insert",e.insert,{focus:!0,feedback:!0,scrollIntoView:!0,mode:"math",format:"latex"}]),!n&&e.key&&(n=["typedText",e.key,{focus:!0,feedback:!0,simulateKeystroke:!0}]),!n&&e.latex&&(n=["insert",e.latex,{focus:!0,feedback:!0,scrollIntoView:!0,mode:"math",format:"latex"}]),n||(n=["typedText",e.label,{focus:!0,feedback:!0,simulateKeystroke:!0}]),null==(t=ld.singleton)||t.executeCommand(n)}function rd(e){if(1!==e.nodeType)return!1;const t=e.classList;return t.contains("MLK__keycap")||t.contains("shift")||t.contains("action")||t.contains("fnbutton")||t.contains("bigfnbutton")}function ad(e){if(!e)return;let t=e;for(;t&&!rd(t);)t=t.parentElement;return null!=t?t:void 0}function sd(e){return!!e.class&&/(^|\s)shift($|\s)/.test(e.class)}var ld=class e{constructor(){var e,t,n;this.originalContainerBottomPadding=null,this.keycapRegistry={},this._shiftPressCount=0,this.targetOrigin=window.origin,this.originValidator="none",this._alphabeticLayout="auto",this._layouts=Object.freeze(["default"]),this._editToolbar="default",this._container=null!=(t=null==(e=window.document)?void 0:e.body)?t:null,this._visible=!1,this._rebuilding=!1,this.observer=new ResizeObserver((e=>{this.adjustBoundingRect(),this.dispatchEvent(new Event("geometrychange")),this.sendMessage("geometry-changed",{boundingRect:this.boundingRect})})),this.listeners={};try{null==(n=window.top)||n.addEventListener("message",this)}catch(e){window.addEventListener("message",this)}document.body.addEventListener("focusin",(e=>{const t=e.target;(null==t?void 0:t.isConnected)&&setTimeout((()=>{const e=cd();e&&!e.readOnly&&"auto"===e.mathVirtualKeyboardPolicy&&("matchMedia"in window?window.matchMedia("(pointer: coarse)").matches:"ontouchstart"in window||navigator.maxTouchPoints>0)&&this.show({animate:!0})}),300)})),document.addEventListener("focusout",(e=>{"manual"!==e.target.mathVirtualKeyboardPolicy&&setTimeout((()=>{cd()||this.hide()}),300)}))}get currentLayer(){var e,t,n;return null!=(n=null==(t=null==(e=this._element)?void 0:e.querySelector(".MLK__layer.is-visible"))?void 0:t.id)?n:""}set currentLayer(e){var t;if(!this._element)return void(this.latentLayer=e);let n=e?this._element.querySelector(`#${e}.MLK__layer`):null;n||(n=this._element.querySelector(".MLK__layer")),n&&(null==(t=this._element.querySelector(".MLK__layer.is-visible"))||t.classList.remove("is-visible"),n.classList.add("is-visible")),this.render()}get shiftPressCount(){return this._shiftPressCount}set shiftPressCount(e){var t;this._shiftPressCount=e>2||e<0?0:e,null==(t=this._element)||t.classList.toggle("is-caps-lock",2===this.shiftPressCount),this.render()}get isShifted(){return this._shiftPressCount>0}resetKeycapRegistry(){this.keycapRegistry={}}registerKeycap(e){const t="ML__k"+Date.now().toString(36).slice(-2)+Math.floor(1e5*Math.random()).toString(36);return this.keycapRegistry[t]=e,t}getKeycap(e){return e?this.keycapRegistry[e]:void 0}getLayer(e){const t=this.normalizedLayouts;for(const n of t)for(const t of n.layers)if(t.id===e)return t}get alphabeticLayout(){return this._alphabeticLayout}set alphabeticLayout(e){this._alphabeticLayout=e,this.rebuild()}get actionKeycap(){return this._actionKeycap}set actionKeycap(e){this._actionKeycap="string"==typeof e?{label:e}:e}get shiftKeycap(){return this._shiftKeycap}set shiftKeycap(e){this._shiftKeycap="string"==typeof e?{label:e}:e}get backspaceKeycap(){return this._backspaceKeycap}set backspaceKeycap(e){this._backspaceKeycap="string"==typeof e?{label:e}:e}get tabKeycap(){return this._tabKeycap}set tabKeycap(e){this._tabKeycap="string"==typeof e?{label:e}:e}get layouts(){return this._layouts}set layouts(e){this.updateNormalizedLayouts(e),this.rebuild()}updateNormalizedLayouts(e){const t=Array.isArray(e)?[...e]:[e],n=t.findIndex((e=>"default"===e));n>=0&&t.splice(n,1,"numeric","symbols","alphabetic","greek"),this._layouts=Object.freeze(t),this._normalizedLayouts=t.map((e=>jc(e)))}get normalizedLayouts(){return this._normalizedLayouts||this.updateNormalizedLayouts(this._layouts),this._normalizedLayouts}get editToolbar(){return this._editToolbar}set editToolbar(e){this._editToolbar=e,this.rebuild()}get container(){return this._container}set container(e){this._container=e,this.rebuild()}static get singleton(){if(void 0===this._singleton)try{this._singleton=new e}catch(e){this._singleton=null}return this._singleton}get style(){return this._style}addEventListener(e,t,n){this.listeners[e]||(this.listeners[e]=new Set),this.listeners[e].has(t)||this.listeners[e].add(t)}dispatchEvent(e){return!this.listeners[e.type]||0===this.listeners[e.type].size||(this.listeners[e.type].forEach((t=>{"function"==typeof t?t(e):null==t||t.handleEvent(e)})),!e.defaultPrevented)}removeEventListener(e,t,n){this.listeners[e]&&this.listeners[e].delete(t)}get element(){return this._element}set element(e){var t;this._element!==e&&(null==(t=this._element)||t.remove(),this._element=e)}get visible(){return this._visible}set visible(e){e?this.show():this.hide()}get boundingRect(){var e;if(!this._visible)return new DOMRect;const t=null==(e=this._element)?void 0:e.getElementsByClassName("MLK__plate")[0];return t?t.getBoundingClientRect():new DOMRect}adjustBoundingRect(){var e,t;const n=this.boundingRect.height;if(this.container===document.body){null==(e=this._element)||e.style.setProperty("--_keyboard-height",`calc(${n}px + var(--_padding-top) + var(--_padding-bottom) + env(safe-area-inset-bottom, 0))`);const t=n-1;this.container.style.paddingBottom=this.originalContainerBottomPadding?`calc(${this.originalContainerBottomPadding} + ${t}px)`:`${t}px`}else null==(t=this._element)||t.style.setProperty("--_keyboard-height",`${n}px`)}rebuild(){if(this._rebuilding||!this._element)return;this._rebuilding=!0;const e=this.currentLayer;requestAnimationFrame((()=>{this._rebuilding=!1,this._element&&(this._element.remove(),this._element=void 0),this.visible&&(this.buildAndAttachElement(),this.currentLayer=e,this.render(),this.adjustBoundingRect(),this._element.classList.add("is-visible"))}))}render(){if(!this._element)return;const e=this.getLayer(this.currentLayer);this._element.classList.toggle("backdrop-is-transparent",Boolean(e&&(e.backdrop||e.container)));const t=this._element.querySelectorAll(".MLK__layer.is-visible .MLK__keycap, .MLK__layer.is-visible .action, .fnbutton, .MLK__layer.is-visible .bigfnbutton, .MLK__layer.is-visible .shift");if(t)for(const e of t){const t=this.getKeycap(e.id);if(t){const[n,i]=Yc(t,{shifted:this.isShifted});e.innerHTML=window.MathfieldElement.createHTML(n),e.className=i}}}show(e){var t;if(this._visible)return;const n=this.container;if(n&&window.mathVirtualKeyboard&&this.stateWillChange(!0)){if(this._element||(this.buildAndAttachElement(),this.adjustBoundingRect()),!this._visible){const e=this._element.getElementsByClassName("MLK__plate")[0];if(e&&this.observer.observe(e),n===window.document.body){const t=n.style.paddingBottom;this.originalContainerBottomPadding=t;const i=e.offsetHeight-1;n.style.paddingBottom=t?`calc(${t} + ${i}px)`:`${i}px`}window.addEventListener("mouseup",this),window.addEventListener("blur",this),window.addEventListener("keydown",this,{capture:!0}),window.addEventListener("keyup",this,{capture:!0}),null==(t=this._element)||t.classList.toggle("is-caps-lock",2===this.shiftPressCount),this.currentLayer=this.latentLayer}this._visible=!0,(null==e?void 0:e.animate)?requestAnimationFrame((()=>{this._element&&(this._element.classList.add("animate"),this._element.addEventListener("transitionend",(()=>{var e;return null==(e=this._element)?void 0:e.classList.remove("animate")}),{once:!0}),this._element.classList.add("is-visible"),this.stateChanged())})):(this._element.classList.add("is-visible"),this.stateChanged())}}hide(e){var t;const n=this.container;if(n&&this._visible&&this.stateWillChange(!1)){if(this._visible=!1,this._element){this.latentLayer=this.currentLayer;const e=this._element.getElementsByClassName("MLK__plate")[0];e&&this.observer.unobserve(e),window.removeEventListener("mouseup",this),window.removeEventListener("blur",this),window.removeEventListener("keydown",this,{capture:!0}),window.removeEventListener("keyup",this,{capture:!0}),window.removeEventListener("contextmenu",this,{capture:!0}),Fc(),ms("core"),ms("virtual-keyboard"),null==(t=this._element)||t.remove(),this._element=void 0,null!==this.originalContainerBottomPadding&&(n.style.paddingBottom=this.originalContainerBottomPadding)}this.stateChanged()}}get height(){var e,t;return null!=(t=null==(e=this.element)?void 0:e.offsetHeight)?t:0}buildAndAttachElement(){var e;console.assert(!this.element),this.element=Gc(this),window.addEventListener("contextmenu",this,{capture:!0}),this.element.addEventListener("contextmenu",(e=>{e.shiftKey||((e.ctrlKey||2===e.button)&&Ic(e.target),e.preventDefault(),e.stopPropagation())}),{capture:!0}),null==(e=this.container)||e.appendChild(this.element)}handleEvent(e){if($c(e)){if(!ss(e.origin,this.originValidator))throw new DOMException(`Message from unknown origin (${e.origin}) cannot be handled`,"SecurityError");"disconnect"===e.data.action?this.connectedMathfieldWindow=void 0:"update-setting"!==e.data.action&&"proxy-created"!==e.data.action&&"execute-command"!==e.data.action&&(console.assert(void 0!==e.source),this.connectedMathfieldWindow=e.source),this.handleMessage(e.data,e.source)}if(this._element)switch(e.type){case"mouseup":case"blur":document.body.style.userSelect="",this.shiftPressCount=0;break;case"contextmenu":2!==e.button&&e.preventDefault();break;case"keydown":"Shift"!==e.key||e.repeat||(this.shiftPressCount=1);break;case"keyup":("Shift"===e.key||!e.getModifierState("Shift")&&2!==this.shiftPressCount)&&(this.shiftPressCount=0)}}handleMessage(e,t){const{action:n}=e;if("execute-command"!==n){if("connect"!==n&&"show"!==n||this.sendMessage("synchronize-proxy",{boundingRect:this.boundingRect,alphabeticLayout:this._alphabeticLayout,layouts:this._layouts,editToolbar:this._editToolbar},t),"disconnect"!==n&&window===window.top)if("show"!==n){if("hide"!==n)return"update-setting"===n?(e.alphabeticLayout&&(this.alphabeticLayout=e.alphabeticLayout),e.layouts&&(this.layouts=e.layouts),void(e.editToolbar&&(this.editToolbar=e.editToolbar))):void("proxy-created"!==n||this.sendMessage("synchronize-proxy",{boundingRect:this.boundingRect,alphabeticLayout:this._alphabeticLayout,layouts:this._layouts,editToolbar:this._editToolbar},t));void 0!==e.animate?this.hide({animate:e.animate}):this.hide()}else void 0!==e.animate?this.show({animate:e.animate}):this.show()}else{const{command:t}=e,n=Tc(t);if(void 0!==window.top&&"virtual-keyboard"!==n)return;this.executeCommand(t)}}sendMessage(e,t,n){if(n||(n=this.connectedMathfieldWindow),null!==this.targetOrigin&&"null"!==this.targetOrigin&&n!==window){if(n)n.postMessage(d({type:Bc,action:e},t),{targetOrigin:this.targetOrigin});else if(t.command&&this.dispatchEvent(new CustomEvent("math-virtual-keyboard-command",{detail:t.command})),"execute-command"===e&&Array.isArray(t.command)&&"insert"===t.command[0]){const e=t.command[1].split("");for(const t of e)this.dispatchEvent(new KeyboardEvent("keydown",{key:t,bubbles:!0})),this.dispatchEvent(new KeyboardEvent("keyup",{key:t,bubbles:!0}))}}else window.dispatchEvent(new MessageEvent("message",{source:window,data:d({type:Bc,action:e},t)}))}stateWillChange(e){return this.dispatchEvent(new CustomEvent("before-virtual-keyboard-toggle",{detail:{visible:e},bubbles:!0,cancelable:!0,composed:!0}))}stateChanged(){this.dispatchEvent(new Event("virtual-keyboard-toggle")),this._visible||(this.dispatchEvent(new Event("geometrychange")),this.sendMessage("geometry-changed",{boundingRect:this.boundingRect}))}focus(){this.sendMessage("focus",{})}blur(){this.sendMessage("blur",{})}updateToolbar(e){const t=this._element;if(!t)return;t.classList.toggle("is-math-mode","math"===e.mode),t.classList.toggle("is-text-mode","text"===e.mode),t.classList.toggle("can-undo",e.canUndo),t.classList.toggle("can-redo",e.canRedo),t.classList.toggle("can-copy",!e.selectionIsCollapsed),t.classList.toggle("can-copy",!e.selectionIsCollapsed),t.classList.toggle("can-paste",!0);const n=t.querySelectorAll(".ML__edit-toolbar");if(n)for(const t of n)t.innerHTML=Jc(this,e)}update(e){this._style=e.style,this.updateToolbar(e)}connect(){this.connectedMathfieldWindow=window}disconnect(){this.connectedMathfieldWindow=void 0}executeCommand(e){let t,n=[],i=Tc(e);return m(e)?(t=e[0],"performWithFeedback"===t&&(i=Tc(e=e.slice(1))),n=e.slice(1)):t=e,t=t.replace(/-\w/g,(e=>e[1].toUpperCase())),"virtual-keyboard"===i?Ac[t].fn(void 0,...n):(this.sendMessage("execute-command",{command:e}),!1)}dispose(){window.removeEventListener("mouseup",this),window.removeEventListener("blur",this),window.removeEventListener("message",this)}};function cd(){var e,t;let n=Yl(),i=null;for(;n;){if("host"in n&&"math-field"===(null==(t=null==(e=n.host)?void 0:e.tagName)?void 0:t.toLowerCase())){i=n.host;break}n=n.parentNode}return i}if(f()&&!("mathVirtualKeyboard"in window))if(window===window.top){const e=ld.singleton;Object.defineProperty(window,"mathVirtualKeyboard",{get:()=>e})}else Object.defineProperty(window,"mathVirtualKeyboard",{get:()=>Oc.singleton,configurable:!0});function dd(e){const t={};for(const n of Object.keys(e))switch(n){case"scriptDepth":const i=e.scriptDepth;if(m(i))t.scriptDepth=[i[0],i[1]];else if("number"==typeof i)t.scriptDepth=[i,i];else{if("string"!=typeof i)throw new TypeError("Unexpected value for scriptDepth");{const[e,n]=i.split(",").map((e=>parseInt(e.trim())));t.scriptDepth=[e,n]}}break;case"mathVirtualKeyboardPolicy":let o=e.mathVirtualKeyboardPolicy.toLowerCase();if("sandboxed"===o){if(window!==window.top){const e=ld.singleton;Object.defineProperty(window,"mathVirtualKeyboard",{get:()=>e})}o="manual"}t.mathVirtualKeyboardPolicy=o;break;case"letterShapeStyle":"auto"===e.letterShapeStyle?v.locale.startsWith("fr")?t.letterShapeStyle="french":t.letterShapeStyle="tex":t.letterShapeStyle=e.letterShapeStyle;break;case"defaultMode":["text","math","inline-math"].includes(e.defaultMode)?t.defaultMode=e.defaultMode:(console.error('MathLive 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ud(){return{readOnly:!1,defaultMode:"math",macros:{},registers:{},colorMap:C,backgroundColorMap:E,letterShapeStyle:v.locale.startsWith("fr")?"french":"tex",minFontScale:0,smartMode:!1,smartFence:!0,smartSuperscript:!0,scriptDepth:[1/0,1/0],removeExtraneousParentheses:!0,isImplicitFunction:e=>["\\sin","\\cos","\\tan","\\arcsin","\\arccos","\\arctan","\\arcsec","\\arccsc","\\arsinh","\\arcosh","\\artanh","\\arcsech","\\arccsch","\\arg","\\ch","\\cosec","\\cosh","\\cot","\\cotg","\\coth","\\csc","\\ctg","\\cth","\\sec","\\sinh","\\sh","\\tanh","\\tg","\\th","\\lg","\\lb","\\log","\\ln"].includes(e),mathModeSpace:"",placeholderSymbol:"▢",contentPlaceholder:"",popoverPolicy:"auto",environmentPopoverPolicy:"off",keybindings:Ya,inlineShortcuts:Ra,inlineShortcutTimeout:0,mathVirtualKeyboardPolicy:"auto",virtualKeyboardTargetOrigin:null==window?void 0:window.origin,originValidator:"none",onInlineShortcut:()=>"",onScrollIntoView:null,onExport:Xa,value:""}}function pd(e){return"inline-math"===e.defaultMode?"math":e.defaultMode}function md(e,t){e&&t&&(m(e)?e.forEach((e=>md(e,t))):"object"==typeof e&&(e.style.color||e.style.backgroundColor||e.style.fontFamily||e.style.fontShape||e.style.fontSeries||e.style.fontSize||e.style.variant||e.style.variantStyle||(e.applyStyle(t),md(e.body,t),md(e.above,t),md(e.below,t),md(e.subscript,t),md(e.superscript,t))))}function fd(e,t,n,i){function o(e,t){for(const n of r)if(n.style[e]!==t)return!1;return!0}if((t=e.normalizeRange(t))[0]===t[1])return!1;const r=e.getAtoms(t,{includeChildren:!0});"toggle"===i.operation&&(n.color&&o("color",n.color)&&(n.color="none",delete n.verbatimColor),n.backgroundColor&&o("backgroundColor",n.backgroundColor)&&(n.backgroundColor="none",delete 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new Os(e,t,n,{mathstyleName:"textstyle",leftDelim:".",rightDelim:".",columns:yd(null==i?void 0:i[0])});case"smallmatrix":case"smallmatrix*":return new Os(e,t,n,{mathstyleName:"scriptstyle",columns:yd(null==i?void 0:i[0]),colSeparationType:"small",arraystretch:.5});case"cases":case"dcases":return new Os(e,t,n,{mathstyleName:"dcases"===e?"displaystyle":"textstyle",arraystretch:1.2,leftDelim:"\\lbrace",rightDelim:".",columns:[{align:"l"},{gap:1},{align:"l"}]});case"rcases":return new Os(e,t,n,{arraystretch:1.2,leftDelim:".",rightDelim:"\\rbrace",columns:[{align:"l"},{gap:1},{align:"l"}]});case"lines":return new Os(e,t,n,{leftDelim:".",rightDelim:".",columns:[{align:"l"}]});case"align":case"align*":case"aligned":case"eqnarray":{let i=0;for(const e of t)i=Math.max(i,e.length);const o=[{gap:0},{align:"r"},{gap:.25},{align:"l"}];let r=2;for(;r<i;)o.push({gap:1},{align:"r"},{gap:.25},{align:"l"}),r+=2;return o.push({gap:0}),new Os(e,t,n,{arraycolsep:0,columns:o,minColumns:2})}}return new Os(e,t,n,{mathstyleName:"textstyle"})}function yd(e){return null!=e?e:[{align:"c"},{align:"c"},{align:"c"},{align:"c"},{align:"c"},{align:"c"},{align:"c"},{align:"c"},{align:"c"},{align:"c"}]}function vd(e,t,n){const i=e.getCell(t,n);return!(!i||2!==i.length)&&"placeholder"===i[1].type}function xd(e,t,n,i){const o=function(e,t,n,i){const o=t.getCell(n,i);return o?[e.offsetOf(o[0]),e.offsetOf(o[o.length-1])]:-1}(e,t,n,i);"number"!=typeof o&&e.setSelection(o)}function wd(e,t,n,i,o){const r=t.getCell(n,i);r&&e.setPositionHandlingPlaceholder(e.offsetOf(r["start"===o?0:r.length-1]))}function _d(e,t){const[n,[i,o]]=function(e,t){let n=e.at(e.position);for(;n&&!(n.parent instanceof Os);)n=n.parent;n&&"array"===n.type&&n.environmentName;if(!(n&&n.parent instanceof Os)){const i=e.at(e.position);if(n=i,!n.parent.parent){let n,o=e.extractAtoms([e.position,e.lastOffset]),r=e.extractAtoms([0,e.position]);return 0===r.length&&(r=Cd()),0===o.length&&(o=Cd()),t.endsWith("column")?(n=bd("split",[[r,o]]),e.root=n,vd(n,0,0)?xd(e,n,0,0):vd(n,0,1)?xd(e,n,0,1):e.position=e.offsetOf(i)):(n=bd("lines",[[r],[o]]),e.root=n,vd(n,0,0)?xd(e,n,0,0):vd(n,1,0)?xd(e,n,1,0):e.position=e.offsetOf(i)),[void 0,[0,0]]}if(n.parent instanceof Ws){const i=n.parent;let o=e.extractAtoms([e.position,e.offsetOf(i.lastChild)]),r=e.extractAtoms([e.offsetOf(i.firstChild),e.position]);0===r.length&&(r=Cd()),0===o.length&&(o=Cd());let a="pmatrix";const s=i.leftDelim,l=i.rightDelim;"("!==s||")"!==l&&"?"!==l?"["!==s&&"\\lbrack"!==s||"]"!==l&&"\\rbrack"!==l&&"?"!==l?"\\vert"===s&&"\\vert"===l?a="vmatrix":"\\Vert"===s&&"\\Vert"===l?a="Vmatrix":"{"!==s&&"\\lbrace"!==s||"."!==l&&"?"!==l||(a="cases"):a="bmatrix":a="pmatrix";const c=bd(a,t.endsWith("column")?[[r,o]]:[[r],[o]]);return i.parent.addChildBefore(c,i),i.parent.removeChild(i),vd(c,0,0)?xd(e,c,0,0):t.endsWith("column")?vd(c,0,1)?xd(e,c,0,1):e.position=e.offsetOf(n):vd(c,1,0)?xd(e,c,1,0):e.position=e.offsetOf(n),[void 0,[0,0]]}}return n&&n.parent instanceof Os?[n.parent,n.parentBranch]:[void 0,[0,0]]}(e,t);if(n)switch(t){case"after row":n.addRowAfter(i),wd(e,n,i+1,0,"end");break;case"after column":if(n.maxColumns<=n.colCount)return void e.announce("plonk");n.addColumnAfter(o),wd(e,n,i,o+1,"end");break;case"before row":n.addRowBefore(i),wd(e,n,i,0,"start");break;case"before column":if(n.maxColumns<=n.colCount)return void e.announce("plonk");n.addColumnBefore(o),wd(e,n,i,o,"start")}}function kd(e){return!!e.contentWillChange({inputType:"insertText"})&&(_d(e,"after row"),e.contentDidChange({inputType:"insertText"}),!0)}function Md(e){return!!e.contentWillChange({inputType:"insertText"})&&(_d(e,"after column"),e.contentDidChange({inputType:"insertText"}),!0)}function Sd(e,t){if(!e.contentWillChange({}))return!1;e.mathfield.snapshot();let n=".",i=".";switch(t){case"pmatrix":case"pmatrix*":n="(",i=")";break;case"bmatrix":case"bmatrix*":n="[",i="]";break;case"Bmatrix":case"Bmatrix*":n="\\lbrace",i="\\rbrace";break;case"vmatrix":case"vmatrix*":n="\\vert",i="\\vert";break;case"Vmatrix":case"Vmatrix*":n="\\Vert",i="\\Vert";break;case"matrix":case"matrix*":n=".",i=".";break;case"cases":case"dcases":n="\\lbrace";break;case"rcases":i="\\rbrace"}const o=e.at(e.position),r="array"===o.type?o:e.parentEnvironment;return r.environmentName=t,r.leftDelim=n,r.rightDelim=i,e.contentDidChange({}),!0}function Ld(e,t){let n=e.at(e.position);for(;n&&!(Array.isArray(n.parentBranch)&&n.parent instanceof Os);)n=n.parent;if(Array.isArray(null==n?void 0:n.parentBranch)&&(null==n?void 0:n.parent)instanceof Os){const i=n.parent,o=n.parentBranch;let r;switch(t){case"row":if(i.rowCount>1){i.removeRow(o[0]);const t=i.getCell(Math.max(0,o[0]-1),o[1]);r=e.offsetOf(t[t.length-1])}break;case"column":if(i.colCount>i.minColumns){i.removeColumn(o[1]);const t=i.getCell(o[0],Math.max(0,o[1]-1));r=e.offsetOf(t[t.length-1])}}r&&e.setPositionHandlingPlaceholder(r)}}function Cd(){return[new Ds]}ee(["math","displaymath"],bd),ee("center",bd),ne("displaylines","",{parse:e=>{const t=[];let n=[];for(e.beginContext({tabular:!0});;){if(e.end())break;if(e.match("<}>"))break;e.matchColumnSeparator()||e.matchRowSeparator()?(t.push([n]),n=[]):n.push(...e.scan((e=>["<}>","&","\\cr","\\\\","\\tabularnewline"].includes(e))))}return e.endContext(),t.push([n]),t},createAtom:e=>new Os("lines",e.args,[],{leftDelim:".",rightDelim:".",columns:[{align:"l"}]})}),te("array","{columns:colspec}",((e,t,n,i)=>new Os(e,gd(t),n,{columns:i[0],mathstyleName:"textstyle"}))),te(["equation","equation*","subequations"],"",((e,t,n)=>new Os(e,gd(t),n,{columns:[{align:"c"}]}))),te(["multline","multline*"],"",bd),te(["align","align*","aligned","eqnarray"],"",bd),te("split","",bd),te(["gather","gathered"],"",bd),te(["matrix","pmatrix","bmatrix","Bmatrix","vmatrix","Vmatrix","matrix*","pmatrix*","bmatrix*","Bmatrix*","vmatrix*","Vmatrix*"],"[columns:colspec]",bd),te(["smallmatrix","smallmatrix*"],"[columns:colspec]",bd),te(["cases","dcases","rcases"],"",bd),Dc({addRowAfter:kd,addColumnAfter:Md,addRowBefore:function(e){return!!e.contentWillChange({inputType:"insertText"})&&(_d(e,"before row"),e.contentDidChange({inputType:"insertText"}),!0)},addColumnBefore:function(e){return!!e.contentWillChange({inputType:"insertText"})&&(_d(e,"before 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n,r=t;do{n="text"===e.at(r).mode&&N.test(e.at(r).value),r+=i}while(e.at(r)&&n);o=e.at(r)?r-2*i:r-i}else if(/\s/.test(e.at(t).value)){let n=t;for(;e.at(n)&&"text"===e.at(n).mode&&/\s/.test(e.at(n).value);)n+=i;if(e.at(n)){let t=!0;do{t="text"===e.at(n).mode&&!/\s/.test(e.at(n).value),n+=i}while(e.at(n)&&t);o=e.at(n)?n-2*i:n-i}else o=n-i}else{let n=t;for(;e.at(n)&&"text"===e.at(n).mode&&!/\s/.test(e.at(n).value);)n+=i;o=e.at(n)?n:n-i;let r=!0;for(;e.at(n)&&r;)r="text"===e.at(n).mode&&/\s/.test(e.at(n).value),r&&(o=n),n+=i;o=e.at(n)?n-2*i:n-i}return o-(i>0?0:1)}function Dd(e,t,n){var i,o,r,a,s,l,c;const d=e.position;null!=(i=null==n?void 0:n.extend)&&i||e.collapseSelection(t);let h=e.at(e.position);if("forward"===t&&("subsup"===h.type?(h=h.rightSibling,h||(h=e.at(e.position+1))):h=e.at(e.position+1)),!h)return e.announce("plonk"),!1;let u=e.offsetOf(h);if(h instanceof $a)u=Ad(e,u,t);else if(h instanceof dl)if(h.isSuggestion)for(console.assert("forward"===t);h&&h instanceof dl;)h.isSuggestion=!1,u=e.offsetOf(h),h=h.rightSibling;else if("forward"===t){if(h=h.rightSibling,!(h&&h instanceof dl))return e.announce("plonk"),!1;for(;h&&h instanceof dl&&/[a-zA-Z\*]/.test(h.value);)u=e.offsetOf(h),h=h.rightSibling}else{if(h=h.leftSibling,!(h&&h instanceof dl))return e.announce("plonk"),!1;for(;h&&h instanceof dl&&/[a-zA-Z\*]/.test(h.value);)u=e.offsetOf(h),h=h.leftSibling}else if("forward"===t&&"mopen"===h.type){let t=0;do{"mopen"===h.type?t+=1:"mclose"===h.type&&(t-=1),h=h.rightSibling}while(!h.isLastSibling&&0!==t);u=e.offsetOf(h.leftSibling)}else if("backward"===t&&"mclose"===h.type){let t=0;do{"mopen"===h.type?t+=1:"mclose"===h.type&&(t-=1),h=h.leftSibling}while(!h.isFirstSibling&&0!==t);u=e.offsetOf(h)}else if("backward"===t)if("first"===h.type)for(;u>0&&"first"===h.type;)u-=1,h=e.at(u);else{const t=h.type;"subsup"===h.type&&(u=e.offsetOf(e.at(u).leftSibling)),u-=1;let n=null==(o=e.at(u))?void 0:o.type;for(;u>=0&&n===t;)"subsup"===(null==(r=e.at(u))?void 0:r.type)?u=e.offsetOf(e.at(u).leftSibling):u-=1,n=e.at(u).type}else{const{type:t}=h;let n=null==(a=e.at(u))?void 0:a.type;const{lastOffset:i}=e;for(;u<=i&&(n===t||"subsup"===n);){for(;"subsup"===(null==(s=e.at(u).rightSibling)?void 0:s.type);)u=e.offsetOf(e.at(u).rightSibling);u+=1,n=null==(l=e.at(u))?void 0:l.type}u-=1}if(null!=(c=null==n?void 0:n.extend)&&c){if(!e.setSelection(e.anchor,u))return e.announce("plonk"),!1}else{if(u===e.position)return e.announce("plonk"),!1;e.position=u}return e.announce("move",d),e.mathfield.stopCoalescingUndo(),!0}function zd(e,t,n){var i,o;if(n=null!=n?n:{extend:!1},e.mathfield.adoptStyle="backward"===t?"right":"left","forward"!==t){const[t,n]=sc(e);void 0!==t&&void 0!==n&&e.deleteAtoms([t,n])}if("upward"===t)return function(e,t){var n,i;const o=null!=(n=null==t?void 0:t.extend)&&n;o||e.collapseSelection("backward");const r=()=>{var t,n;let i=!0;return e.silenceNotifications||(i=null==(n=null==(t=e.mathfield.host)?void 0:t.dispatchEvent(new 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e.silenceNotifications||(i=null==(n=null==(t=e.mathfield.host)?void 0:t.dispatchEvent(new CustomEvent("move-out",{detail:{direction:"downward"},cancelable:!0,bubbles:!0,composed:!0})))||n),e.announce(i?"plonk":"line"),i},a=e.at(e.position);let s=a;for(;s&&"above"!==s.parentBranch&&!(Array.isArray(s.parentBranch)&&s.parent instanceof Os);)s=s.parent;if(Array.isArray(null==s?void 0:s.parentBranch)&&s.parent instanceof Os){const t=s.parent;if(s.parentBranch[0]+1>t.array.length-1)return r();const n=s.parentBranch[0]+1,i=t.array[n][s.parentBranch[1]];if(!i.some((e=>"prompt"===e.type&&!e.captureSelection))&&e.mathfield.hasEditablePrompts)return r();$d(e,a,i,o,"down")}else{if(!s)return r();{const t=null!=(i=s.parent.branch("below"))?i:s.parent.createBranch("below");if(!t.some((e=>"prompt"===e.type))&&e.mathfield.hasEditablePrompts)return r();$d(e,a,t,o,"down")}}return!0}(e,n);if(n.extend){let n=Td(e,e.position,t);n<0&&(n=0),n>e.lastOffset&&(n=e.lastOffset);const i=e.setSelection(e.anchor,n);return e.mathfield.stopCoalescingUndo(),i}if(e.selectionIsPlaceholder){e.collapseSelection(t);const n=zd(e,t);return e.mathfield.stopCoalescingUndo(),n}let r=e.position;const a=r;if(e.collapseSelection(t)?(r=e.position,Bd(e,r)||(r=Td(e,r,t))):r=Td(e,r,t),r<0||r>e.lastOffset){let n=!0;return e.silenceNotifications||(n=null==(o=null==(i=e.mathfield.host)?void 0:i.dispatchEvent(new CustomEvent("move-out",{detail:{direction:t},cancelable:!0,bubbles:!0,composed:!0})))||o),n&&e.announce("plonk"),n}return e.setPositionHandlingPlaceholder(r),e.mathfield.stopCoalescingUndo(),e.announce("move",a),!0}function Td(e,t,n){return(t+="forward"===n?1:-1)<0||t>e.lastOffset||Bd(e,t)?t:Td(e,t,n)}function Bd(e,t){var n;const i=e.at(t);let o=i.parent;for(;o&&!o.inCaptureSelection;)o=o.parent;if(null==o?void 0:o.inCaptureSelection)return!1;if(null==(n=i.parent)?void 0:n.skipBoundary){if(!i.isFirstSibling&&i.isLastSibling)return!1;if("first"===i.type)return!1}return!(e.mathfield.hasEditablePrompts&&!i.parentPrompt)}function $d(e,t,n,i,o){const r=e.mathfield.hasEditablePrompts,a=r?n.filter((e=>"prompt"===e.type&&!e.captureSelection)):n,s=ls(e.mathfield.getHTMLElement(t)).right,l=e.offsetOf(function(e,t,n){let i=1/0,o=0;for(;o<t.length;o++){const r=ls(e.getHTMLElement(t[o])).right,a=Math.abs(n-r);if(!(a<=i))break;i=a}return t[o-1]}(e.mathfield,a,s))-(r?1:0);if(i){const[t,n]=e.selection.ranges[0];let i;i=l<("up"===o?t:n)?{ranges:[[l,n]],direction:"backward"}:{ranges:[[t,l]],direction:"forward"},e.setSelection(i)}else e.setPositionHandlingPlaceholder(l);e.announce(`move ${o}`)}function Pd(e){const t=e.position,n=e.at(t).parent;return(null==n?void 0:n.parent)?(e.position=e.offsetOf(n),e.mathfield.stopCoalescingUndo(),e.announce("move",t),!0):(e.announce("plonk"),!1)}function Od(e){var t;if(e.collapseSelection(),function(e){let t=0,n=e.at(e.position),i=!1;for(;n;)n.hasEmptyBranch("superscript")&&n.hasEmptyBranch("subscript")||(t+=1),n.hasEmptyBranch("superscript")?n.hasEmptyBranch("subscript")||(i=!1):i=!0,n=n.parent;return i?t:0}(e)>=e.mathfield.options.scriptDepth[1])return e.announce("plonk"),!1;let n=e.at(e.position);return void 0===n.subsupPlacement&&("subsup"!==(null==(t=n.rightSibling)?void 0:t.type)&&n.parent.addChildAfter(new Gs({style:n.computedStyle}),n),n=n.rightSibling),n.createBranch("superscript"),e.setSelection(e.getSiblingsRange(e.offsetOf(n.superscript[0]))),!0}function qd(e){var t;if(e.collapseSelection(),function(e){let t=0,n=e.at(e.position),i=!1;for(;n;)n.hasEmptyBranch("superscript")&&n.hasEmptyBranch("subscript")||(t+=1),n.hasEmptyBranch("superscript")?n.hasEmptyBranch("subscript")||(i=!0):i=!1,n=n.parent;return i?t:0}(e)>=e.mathfield.options.scriptDepth[0])return e.announce("plonk"),!1;let n=e.at(e.position);return void 0===n.subsupPlacement&&("subsup"!==(null==(t=e.at(e.position+1))?void 0:t.type)&&n.parent.addChildAfter(new Gs({style:e.at(e.position).computedStyle}),n),n=e.at(e.position+1)),n.createBranch("subscript"),e.setSelection(e.getSiblingsRange(e.offsetOf(n.subscript[0]))),!0}function Nd(){function e(e){return!((n=e).disabled||"hidden"===n.type&&"INPUT"===n.tagName.toUpperCase()||function(e){if(!f()||e===document.activeElement||e.contains(document.activeElement))return!1;if("hidden"===getComputedStyle(e).visibility)return!0;const t=e.getBoundingClientRect();if(0===t.width||0===t.height)return!0;for(;e;){if("none"===getComputedStyle(e).display)return!0;e=e.parentElement}return!1}(n)||function(e){return"INPUT"===e.tagName.toUpperCase()&&"radio"===e.type&&!function(e){var t;if(!e.name)return!0;const n=null!=(t=e.form)?t:e.ownerDocument,i=n.querySelectorAll('input[type="radio"][name="'+e.name+'"]'),o=function(e,t){for(const n of e)if(n.checked&&n.form===t)return n;return 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e.mathfield.snapshot(),c.rightDelim=r,c.addChildren(e.extractAtoms([l,e.position]),c.parentBranch),e.contentDidChange({data:r,inputType:"insertText"}),e.mathfield.snapshot("insert-fence"),!0;if(o instanceof Ws&&("?"===o.rightDelim||"."===o.rightDelim)&&eh(o.leftDelim,r))return e.mathfield.snapshot(),o.isDirty=!0,o.rightDelim=r,o.parent.addChildren(e.extractAtoms([e.position,e.offsetOf(i.lastSibling)]),o.parentBranch),e.position=e.offsetOf(o),e.contentDidChange({data:r,inputType:"insertText"}),e.mathfield.snapshot("insert-fence"),!0;const d=o.parent;return!(!(d instanceof Ws)||"?"!==d.rightDelim&&"."!==d.rightDelim||!e.at(e.position).isLastSibling)&&(e.position=e.offsetOf(d),Qd(e,r,n))}return!1}function eh(e,t){return!e||(["(","\\lparen","{","\\{","\\lbrace","[","\\lbrack"].includes(e)?[")","\\rparen","}","\\}","\\rbrace","]","\\rbrack"].includes(t):gs[e]===t)}function 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t.shape&&(u.fontShape=t.shape),"string"==typeof t.fontShape&&(u.fontShape=t.fontShape.toLowerCase()),u.fontShape&&(u.fontShape=null!=(c={italic:"it",up:"n",upright:"n",normal:"n"}[u.fontShape])?c:u.fontShape),t.variant&&(u.variant=t.variant.toLowerCase()),t.variantStyle&&(u.variantStyle=t.variantStyle.toLowerCase());const p=null!=(d=t.size)?d:t.fontSize;return"number"==typeof p?u.fontSize=Math.max(1,Math.min(10,p)):"string"==typeof p&&(u.fontSize=null!=(h={size1:1,size2:2,size3:3,size4:4,size5:5,size6:6,size7:7,size8:8,size9:9,size10:10}[p.toLowerCase()])?h:{tiny:1,scriptsize:2,footnotesize:3,small:4,normal:5,normalsize:5,large:6,Large:7,LARGE:8,huge:9,Huge:10}[p]),u}function ih(e){let[t,n]=Oa(e.selection);if(t=oh(e,t,"backward"),n=oh(e,n,"forward"),t===n){const i=e.at(t);if("leftright"===i.type)return e.setSelection(e.offsetOf(i.firstChild)-1,n);if("first"===i.type&&("leftright"===i.parent.type||"surd"===i.parent.type))return e.setSelection(t-1,e.offsetOf(i.parent.lastChild)+1);e.setSelection(t-1,n)}else e.setSelection(t,n);return!0}function oh(e,t,n){var i,o,r;let a=e.at(t);if(!a)return t;const s="forward"===n?1:-1;if("text"===a.mode){for(;a&&"text"===a.mode&&N.test(a.value);)t+=s,a=e.at(t);return"backward"===n?t-1:t}if("latex"===a.mode){if(/[a-zA-Z\*]/.test(a.value))if("backward"===n)for(;a&&"latex"===a.mode&&"\\"!==a.value&&/[a-zA-Z]/.test(a.value);)t+=s,a=e.at(t);else for(;a&&"latex"===a.mode&&/[a-zA-Z\*]/.test(a.value);)t+=s,a=e.at(t);else{if("{"===a.value){if("forward"===n){for(;a&&"latex"===a.mode&&"}"!==a.value;)t+=s,a=e.at(t);return t}return t-1}if("}"===a.value){if("backward"===n){for(;a&&"latex"===a.mode&&"{"!==a.value;)t+=s,a=e.at(t);return t-1}return t}}return t-1}if("math"===a.mode){if(a.isDigit()){for(;null==(i=e.at(t+s))?void 0:i.isDigit();)t+=s;return"backward"===n?t-1:t}if(a.style.variant||a.style.variantStyle){let i=null==(o=e.at(t))?void 0:o.style;for(;i&&i.variant===a.style.variant&&i.variantStyle===a.style.variantStyle;)i=null==(r=e.at(t+s))?void 0:r.style,t+=s;return"backward"===n?t-1:t}return t}return t}Dc({moveToOpposite:e=>{const t=e.at(e.position),{parent:n}=t;if(!n)return e.announce("plonk"),!1;const i=t.parentBranch;let o;if("string"==typeof i&&(o={superscript:"subscript",subscript:"superscript",above:"below",below:"above"}[i]),!o){const n=t.subsupPlacement?qd(e):Od(e);return e.mathfield.stopCoalescingUndo(),n}n.branch(o)||n.createBranch(o);const r=e.setSelection(e.getBranchRange(e.offsetOf(n),o));return e.mathfield.stopCoalescingUndo(),r},moveBeforeParent:e=>{const{parent:t}=e.at(e.position);return t?(e.position=e.offsetOf(t),e.mathfield.stopCoalescingUndo(),!0):(e.announce("plonk"),!1)},moveAfterParent:e=>Pd(e),moveToNextChar:e=>zd(e,"forward"),moveToPreviousChar:e=>zd(e,"backward"),moveUp:e=>zd(e,"upward"),moveDown:e=>zd(e,"downward"),moveToNextWord:e=>Dd(e,"forward"),moveToPreviousWord:e=>Dd(e,"backward"),moveToGroupStart:e=>{const t=e.offsetOf(e.at(e.position).firstSibling);return t===e.position?(e.announce("plonk"),!1):(e.position=t,e.mathfield.stopCoalescingUndo(),!0)},moveToGroupEnd:e=>{const t=e.offsetOf(e.at(e.position).lastSibling);return t===e.position?(e.announce("plonk"),!1):(e.position=t,e.mathfield.stopCoalescingUndo(),!0)},moveToNextGroup:e=>{var t,n,i,o;if(e.position===e.lastOffset&&e.anchor===e.lastOffset)return Rd(e,"forward");const r=e.at(e.position);if("text"===r.mode){if(e.selectionIsCollapsed){let n=r;for(;n&&"text"===n.mode;)n=n.leftSibling;let i=r;for(;"text"===(null==(t=i.rightSibling)?void 0:t.mode);)i=i.rightSibling;if(n&&i)return Id(e,[n,i])}if("text"===r.rightSibling.mode){let t=r;for(;t&&"text"===t.mode;)t=t.rightSibling;return t?(Fd(e,null!=(n=t.leftSibling)?n:t),e.mathfield.switchMode("math"),!0):Fd(e,e.lastOffset)}}const a=e.at(e.anchor).parentPrompt,s=a?e.offsetOf(a)+1:Math.max(e.position+1,0),l=Vd(e,s,"forward");if(l)return Fd(e,l);const c=Hd(e,r,(e=>"leftright"===e.type||"text"===e.type),"forward");if(c){if("text"===c.mode){let t=c;for(;t&&"text"===t.mode;)t=t.rightSibling;return Id(e,[null!=(i=c.leftSibling)?i:c,null!=(o=t.leftSibling)?o:t])}return Id(e,c)}const d=r.parent;if(d){if("leftright"===d.type||"surd"===d.type)return Id(e,d);if("superscript"===r.parentBranch&&d.subscript)return Id(e,d.subscript);if("above"===r.parentBranch&&d.below)return Id(e,d.below);if("superscript"===r.parentBranch||"subscript"===r.parentBranch)return Fd(e,d);if("above"===r.parentBranch||"below"===r.parentBranch)return Id(e,d)}return Fd(e,e.lastOffset)},moveToPreviousGroup:e=>{var t;if(0===e.position&&0===e.anchor)return Rd(e,"backward");let n=e.at(e.position);const i=n.mode;if("text"===i){if(e.selectionIsCollapsed){let i=n;for(;i&&"text"===i.mode;)i=i.leftSibling;let o=n;for(;"text"===(null==(t=o.rightSibling)?void 0:t.mode);)o=o.rightSibling;if(i&&o)return Id(e,[i,o])}for(;n&&"text"===n.mode;)n=n.leftSibling;return Fd(e,n?n:0)}const o=e.at(e.anchor).parentPrompt,r=o?e.offsetOf(o.leftSibling):Math.max(e.position-1,0),a=Vd(e,r,"backward");if(a)return Fd(e,a);if("math"===i){const t=Hd(e,n,(e=>"leftright"===e.type||"text"===e.type),"backward");if(t){if("text"===t.mode){let n=t;for(;n&&"text"===n.mode;)n=n.leftSibling;return Id(e,[t,n])}return Id(e,t)}const i=n.parent;if(i){if("leftright"===i.type||"surd"===i.type)return Id(e,i);if("subscript"===n.parentBranch&&i.superscript)return Id(e,i.superscript);if("below"===n.parentBranch&&i.above)return Id(e,i.above);if("superscript"===n.parentBranch||"subscript"===n.parentBranch)return Fd(e,i);if("above"===n.parentBranch||"below"===n.parentBranch)return Id(e,i)}return Fd(e,0)}return!1},moveToMathfieldStart:e=>e.selectionIsCollapsed&&0===e.position?(e.announce("plonk"),!1):(e.position=0,e.mathfield.stopCoalescingUndo(),!0),moveToMathfieldEnd:e=>e.selectionIsCollapsed&&e.position===e.lastOffset?(e.announce("plonk"),!1):(e.position=e.lastOffset,e.mathfield.stopCoalescingUndo(),!0),moveToSuperscript:Od,moveToSubscript:qd},{target:"model",changeSelection:!0}),Dc({moveToNextPlaceholder:e=>Rd(e,"forward"),moveToPreviousPlaceholder:e=>Rd(e,"backward")},{target:"model",changeSelection:!0,audioFeedback:"return"}),Dc({undo:e=>(e.undo(),!0),redo:e=>(e.redo(),!0),scrollIntoView:e=>(e.scrollIntoView(),!0),scrollToStart:e=>(e.field.scroll(0,0),!0),scrollToEnd:e=>{const t=e.field.getBoundingClientRect();return e.field.scroll(t.left-window.scrollX,0),!0},toggleKeystrokeCaption:function(e){if(e.keystrokeCaptionVisible=!e.keystrokeCaptionVisible,e.keystrokeCaptionVisible){Jd().innerHTML=""}else{uc("mathlive-keystroke-caption-panel").style.visibility="hidden"}return!1},toggleContextMenu:e=>{const t=e.toggleContextMenu();return t||e.model.announce("plonk"),t},plonk:e=>(e.model.announce("plonk"),!0),switchMode:(e,t,n,i)=>(e.switchMode(t,n,i),!0),insert:(e,t,n)=>e.insert(t,n),typedText:(e,t,n)=>(Gd(e,t,n),!0),insertDecimalSeparator:e=>{const t=e.model;if("math"===t.mode&&","===window.MathfieldElement.decimalSeparator){if(t.at(Math.max(t.position,t.anchor)).isDigit())return e.insert("{,}",{format:"latex"}),e.snapshot("insert-mord"),!0}return e.insert("."),!0},commit:e=>{var t;return e.model.contentWillChange({inputType:"insertLineBreak"})&&(null==(t=e.host)||t.dispatchEvent(new Event("change",{bubbles:!0,composed:!0})),e.model.contentDidChange({inputType:"insertLineBreak"})),!0},insertPrompt:(e,t,n)=>{const i=e.getPrompts();let o="prompt-"+Date.now().toString(36).slice(-2)+Math.floor(1e5*Math.random()).toString(36),r=0;for(;i.includes(o)&&r<100;){if(99===r)return console.error("could not find a unique ID after 100 tries"),!1;o="prompt-"+Date.now().toString(36).slice(-2)+Math.floor(1e5*Math.random()).toString(36),r++}return e.insert(`\\placeholder[${null!=t?t:o}]{}`,n),!0}}),Dc({copyToClipboard:e=>(e.focus(),e.model.selectionIsCollapsed&&e.select(),"queryCommandSupported"in document&&document.queryCommandSupported("copy")?document.execCommand("copy"):e.element.querySelector(".ML__keyboard-sink").dispatchEvent(new ClipboardEvent("copy",{bubbles:!0,composed:!0})),!1)},{target:"mathfield"}),Dc({cutToClipboard:e=>(e.focus(),"queryCommandSupported"in document&&document.queryCommandSupported("cut")?document.execCommand("cut"):e.element.querySelector(".ML__keyboard-sink").dispatchEvent(new ClipboardEvent("cut",{bubbles:!0,composed:!0})),!0),pasteFromClipboard:e=>(e.focus(),"queryCommandSupported"in document&&document.queryCommandSupported("paste")?(document.execCommand("paste"),!0):(navigator.clipboard.readText().then((t=>{t&&e.model.contentWillChange({inputType:"insertFromPaste",data:t})?(e.stopCoalescingUndo(),e.stopRecording(),e.insert(t,{mode:e.model.mode})&&(cc(e),e.startRecording(),e.snapshot("paste"),e.model.contentDidChange({inputType:"insertFromPaste"}),Lc(e))):e.model.announce("plonk"),e.startRecording()})),!0))},{target:"mathfield",canUndo:!0,changeContent:!0,changeSelection:!0}),Dc({applyStyle:function(e,t){e.flushInlineShortcutBuffer(),e.stopCoalescingUndo();const n=nh(e,t),{model:i}=e;return i.selectionIsCollapsed?(e.defaultStyle.fontSeries&&n.fontSeries===e.defaultStyle.fontSeries&&(n.fontSeries="auto"),n.fontShape&&n.fontShape===e.defaultStyle.fontShape&&(n.fontShape="auto"),n.color&&n.color===e.defaultStyle.color&&(n.color="none"),n.backgroundColor&&n.backgroundColor===e.defaultStyle.backgroundColor&&(n.backgroundColor="none"),n.fontSize&&n.fontSize===e.defaultStyle.fontSize&&(n.fontSize="auto"),e.defaultStyle=d(d({},e.defaultStyle),n)):e.model.deferNotifications({content:!0,type:"insertText"},(()=>{i.selection.ranges.forEach((e=>fd(i,e,n,{operation:"toggle"}))),e.snapshot("style-change")})),!0}},{target:"mathfield",canUndo:!0,changeContent:!0}),Dc({selectGroup:e=>{const t=ih(e);return t||e.announce("plonk"),t},selectAll:e=>e.setSelection(0,e.lastOffset),extendSelectionForward:e=>zd(e,"forward",{extend:!0}),extendSelectionBackward:e=>zd(e,"backward",{extend:!0}),extendToNextWord:e=>Dd(e,"forward",{extend:!0}),extendToPreviousWord:e=>Dd(e,"backward",{extend:!0}),extendSelectionUpward:e=>zd(e,"upward",{extend:!0}),extendSelectionDownward:e=>zd(e,"downward",{extend:!0}),extendToNextBoundary:e=>Dd(e,"forward",{extend:!0}),extendToPreviousBoundary:e=>Dd(e,"backward",{extend:!0}),extendToGroupStart:e=>{const t=e.setSelection(e.anchor,e.offsetOf(e.at(e.position).firstSibling));return t||e.announce("plonk"),t},extendToGroupEnd:e=>{const t=e.setSelection(e.anchor,e.offsetOf(e.at(e.position).lastSibling));return t||e.announce("plonk"),t},extendToMathFieldStart:e=>{const t=e.setSelection(e.anchor,0);return t||e.announce("plonk"),t},extendToMathFieldEnd:e=>{const t=e.setSelection(e.anchor,e.lastOffset);return t||e.announce("plonk"),t}},{target:"model",changeSelection:!0});var rh=null,ah=0,sh=class e{static start(t,n,i,o){var r;e.element=t,null==(r=e.controller)||r.abort(),e.controller=new AbortController;const a={signal:e.controller.signal};"PointerEvent"in window?(t.addEventListener("pointermove",i,a),t.addEventListener("pointerup",o,a),t.addEventListener("pointercancel",o,a),lh(n)&&(e.pointerId=n.pointerId,t.setPointerCapture(n.pointerId))):(window.addEventListener("mousemove",i,a),window.addEventListener("blur",o,a),window.addEventListener("mouseup",o,a))}static stop(){var t;null==(t=e.controller)||t.abort(),e.controller=void 0,"number"==typeof e.pointerId&&(e.element.releasePointerCapture(e.pointerId),e.pointerId=void 0)}};function lh(e){return null!==e&&void 0!==globalThis.PointerEvent&&e instanceof PointerEvent}function ch(e,t){var n;if(t.buttons>1)return;e.atomBoundsCache=new Map;const i=e;let o,r=!1,a=!1,s="none",l=!1,c=!1;const d=t.clientX,h=t.clientY,u=Date.now(),p=i.field,m=setInterval((()=>{l?p.scroll({top:0,left:p.scrollLeft-16}):c&&p.scroll({top:0,left:p.scrollLeft+16})}),32);function f(){sh.stop(),r=!1,clearInterval(m),e.element.classList.remove("tracking"),t&&t.preventDefault()}rh&&Math.abs(rh.x-d)<5&&Math.abs(rh.y-h)<5&&Date.now()<rh.time+500?(ah+=1,rh.time=u):(rh={x:d,y:h,time:u},ah=1);const g=p.getBoundingClientRect();if(d>=g.left&&d<=g.right&&h>=g.top&&h<=g.bottom){if(e.flushInlineShortcutBuffer(),e.adoptStyle="left",o=ph(e,d,h,{bias:0}),o>=0){if(e.element.classList.add("tracking"),t.shiftKey){const t=e.model.selectionIsCollapsed;e.model.extendSelectionTo(e.model.anchor,o),s=dc(e.model)||t?"all":"selection"}else"placeholder"===e.model.at(o).type?(e.model.setSelection(o-1,o),s="selection"):"placeholder"===(null==(n=e.model.at(o).rightSibling)?void 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dh(e,t,n){if(e>=n.left&&e<=n.right&&t>=n.top&&t<=n.bottom)return 0;const i=e-(n.left+n.right)/2,o=t-(n.top+n.bottom)/2;return i*i+o*o}function hh(e,t,n,i,o){if(!n.id)return[1/0,null];if(t.has(n.id))return t.get(n.id);const r=rs(e,n);if(!r)return[1/0,null];let a=[1/0,null];if(n.hasChildren&&!n.captureSelection&&i>=r.left&&i<=r.right)for(const r of n.children){const n=hh(e,t,r,i,o);n[0]<=a[0]&&(a=n)}return a[1]||(a=[dh(i,o,r),n]),t.set(n.id,a),a}function uh(e,t,n){const[,i]=hh(e,new Map,e.model.root,t,n);return i}function ph(e,t,n,i){var o;const r=e.field.querySelector(".ML__latex").getBoundingClientRect();if(!r)return 0;if(t>r.right||n>r.bottom+8)return e.model.lastOffset;if(t<r.left||n<r.top-8)return 0;(i=null!=i?i:{}).bias=null!=(o=i.bias)?o:0;let a=uh(e,t,n);const s=[];let l=a;for(;l;)s.unshift(l),l=l.parent;for(const e of s)if(e.captureSelection){a=e;break}let c=e.model.offsetOf(a);if(c<0)return-1;if(a.leftSibling)if(0===i.bias&&"placeholder"!==a.type){const n=rs(e,a);n&&t<(n.left+n.right)/2&&(c=e.model.offsetOf(a.leftSibling))}else i.bias<0&&(c=e.model.offsetOf(a.leftSibling));return c}function mh(e,t,n,i){var o;let r,a=[];if("string"!=typeof t||"math-json"===i.format){const n=window.MathfieldElement.computeEngine;if(!n)return["math-json",[]];[r,t]=["latex",n.box(t).latex],a=Qs(t,{context:e.mathfield.context})}else"string"==typeof t&&"ascii-math"===i.format?([r,t]=Va(t,{format:"ascii-math",inlineShortcuts:e.mathfield.options.inlineShortcuts}),a=Qs(t,{context:e.mathfield.context}),"latex"!==r&&e.mathfield.options.removeExtraneousParentheses&&gh(a)):("auto"===i.format||(null==(o=i.format)?void 0:o.startsWith("latex")))&&("auto"===i.format&&([r,t]=Va(t,{format:"auto",inlineShortcuts:e.mathfield.options.inlineShortcuts})),"latex"===i.format&&([,t]=Ja(t)),a=Qs(t,{context:e.mathfield.context,args:n}),"latex"!==i.format&&e.mathfield.options.removeExtraneousParentheses&&gh(a));return md(a,i.style),[null!=r?r:"latex",a]}function fh(e){if(!e)return 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e,t;null==(e=this._abortController)||e.abort(),this._abortController=void 0,null==(t=this._element)||t.remove(),this._element=null,this.submenu&&this.submenu.dispose(),this.submenu=void 0}get menuItem(){return this._declaration}get label(){var e;return null!=(e=this._label)?e:""}set label(e){void 0===e&&(e=""),e!==this._label&&(this._label=e,this.dirty=!0)}get visible(){return this._visible}set visible(e){e!==this._visible&&(this._visible=e,this.dirty=!0)}get enabled(){return this._enabled}set enabled(e){this._enabled=e,this.element&&(e?this.element.removeAttribute("aria-disabled"):this.element.setAttribute("aria-disabled","true")),this.dirty=!0}get checked(){return this._checked}set checked(e){this._checked=e,this.dirty=!0}get tooltip(){return this._tooltip}set tooltip(e){e!==this._tooltip&&(this._tooltip=e,this.dirty=!0)}get ariaLabel(){return this._ariaLabel}set ariaLabel(e){e!==this._ariaLabel&&(this._ariaLabel=e,this.dirty=!0)}get active(){var e,t;return null!=(t=null==(e=this.element)?void 0:e.classList.contains("active"))&&t}set active(e){this.element&&this.element.classList.toggle("active",e)}updateState(e){var t,n,i;const o=this._declaration;if($h(o))return this.enabled=!1,void(this.checked=!1);Ph(o)&&(this.enabled=!1,this.checked=!1,this.visible=!0),Bh(o)&&(this.checked=Bh(o)&&null!=(t=Ih(o.checked,e))&&t),(Bh(o)||Th(o))&&(this.enabled=null==(n=Ih(o.enabled,e))||n,this.visible=null==(i=Ih(o.visible,e))||i,this.visible&&this.enabled&&this.submenu&&(this.submenu.updateState(e),this.submenu.visible||(this.visible=!1))),(Bh(o)||Ph(o)||Th(o))&&(this.label=Ih(o.label,e),this.tooltip=Ih(o.tooltip,e),this.ariaLabel=Ih(o.ariaLabel,e)),this._element&&this.updateElement()}set dirty(e){console.assert(!0===e),e&&this.parentMenu&&(this.parentMenu.dirty=!0)}updateElement(){if(!this.visible||!this.element)return;const e=this.element;e.textContent="",this.enabled?e.removeAttribute("aria-disabled"):e.setAttribute("aria-disabled","true"),!0===this.checked?(e.setAttribute("aria-checked","true"),e.append(qh("checkmark"))):"mixed"===this.checked?(e.setAttribute("aria-checked","mixed"),e.append(qh("mixedmark"))):e.removeAttribute("aria-checked"),this.ariaLabel&&e.setAttribute("aria-label",this.ariaLabel);const t=document.createElement("span");if(t.className=this.parentMenu.hasCheck?"label indent":"label","heading"===this.type&&t.classList.add("heading"),t.innerHTML=this.label,e.append(t),this._tooltip&&e.setAttribute("data-tooltip",this._tooltip),Bh(this._declaration)&&this._declaration.keyboardShortcut){const t=document.createElement("kbd");t.innerHTML=Ul(this._declaration.keyboardShortcut),e.append(t)}"submenu"===this.type&&e.append(qh("trailing-chevron"))}get element(){if(this._element)return this._element;if($h(this._declaration)){const e=document.createElement("li");return e.setAttribute("part","menu-divider"),e.setAttribute("role","divider"),this._element=e,e}const e=document.createElement("li");this._element=e,(Bh(this._declaration)||Ph(this._declaration)||Th(this._declaration))&&this._declaration.class&&(e.className=this._declaration.class),e.setAttribute("part","menu-item"),e.setAttribute("tabindex","-1"),this.hasCheck?e.setAttribute("role","menuitemcheckbox"):e.setAttribute("role","menuitem"),"submenu"===this.type&&(e.setAttribute("aria-haspopup","true"),e.setAttribute("aria-expanded","false"));const t=this.abortController.signal;return e.addEventListener("pointerenter",this,{signal:t}),e.addEventListener("pointerleave",this,{signal:t}),e.addEventListener("pointerup",this,{signal:t}),e.addEventListener("click",this,{signal:t}),this._element}dispatchSelect(){if(!Bh(this._declaration))return;const e=new CustomEvent("menu-select",{cancelable:!0,bubbles:!0,detail:{modifiers:this.rootMenu.modifiers,id:this._declaration.id,data:this._declaration.data}});this.parentMenu.dispatchEvent(e)&&"function"==typeof this._declaration.onMenuSelect&&this._declaration.onMenuSelect({modifiers:this.rootMenu.modifiers,id:this._declaration.id,data:this._declaration.data})}handleEvent(e){var t;if(this.visible&&this.enabled){if("click"===e.type)return"modal"===this.rootMenu.state&&this.select(),e.stopPropagation(),void e.preventDefault();if("pointerenter"===e.type){const n=e;return this.rootMenu.cancelDelayedOperation(),void(this.parentMenu.isSubmenuOpen&&(null==(t=this.parentMenu.activeMenuItem)?void 0:t.movingTowardSubmenu(n))?this.rootMenu.scheduleOperation((()=>{this.parentMenu.activeMenuItem=this,this.openSubmenu()})):(this.parentMenu.activeMenuItem=this,this.openSubmenu({withDelay:!0})))}if("pointerleave"!==e.type)return"pointerup"===e.type?("modal"!==this.rootMenu.state&&this.select(),e.stopPropagation(),void e.preventDefault()):void 0;this.rootMenu.activeSubmenu===this.parentMenu&&(this.parentMenu.activeMenuItem=null)}}select(){this.rootMenu.cancelDelayedOperation(),"submenu"!==this.type?(this.active=!1,setTimeout((()=>{this.active=!0,setTimeout((()=>{this.rootMenu.hide(),this.dispatchSelect()}),80)}),80)):this.openSubmenu()}openSubmenu(e){var t;if("submenu"!==this.type||!this.element)return;if(null!=(t=null==e?void 0:e.withDelay)&&t)return void this.rootMenu.scheduleOperation((()=>this.openSubmenu()));const n=this.element.getBoundingClientRect(),i=Ah(this.element);this.submenu.show({container:this.rootMenu.element.parentNode,location:{x:Dh(n,"trailing",i),y:n.top-4},alternateLocation:{x:Dh(n,"leading",i),y:n.top-4}})}movingTowardSubmenu(e){if(!this.element)return!1;if("submenu"!==this.type)return!1;const t=this.rootMenu.lastMoveEvent;if(!t)return!1;const n=e.timeStamp-t.timeStamp;if(n>500)return!1;const i=e.clientX-t.clientX;var o,r,a;if((o=i,r=t.clientY-e.clientY,a=n,Math.hypot(o,r)/a)<=.2)return!1;let s="right";if(this.submenu.element){const e=this.submenu.element.getBoundingClientRect(),t=this.element.getBoundingClientRect();e.left<t.left+t.width/2&&(s="left")}return"right"===s?i>0:i<0}};function Ih(e,t){return void 0===e||"function"!=typeof e?e:(null!=t||(t={alt:!1,control:!1,shift:!1,meta:!1}),e(t))}var Fh=class e{constructor(e,t){var n,i;this._element=null,this._activeMenuItem=null,this._dirty=!0,this.parentMenu=null!=(n=null==t?void 0:t.parentMenu)?n:null,this._submenuClass=null==t?void 0:t.submenuClass,this.columnCount=null!=(i=null==t?void 0:t.columnCount)?i:1,this.isSubmenuOpen=!1,this.menuItems=e}get children(){return this._menuItems}set menuItems(e){const t=this.parentMenu;this.dispose(),this.parentMenu=t,e=[...e],this._menuItems=e.map((e=>e.onCreate?e.onCreate(e,this):new Nh(e,this))),this.hasCheck=void 0,this.dirty=!0}dispose(){var e;this.hide(),this._element&&this._element.remove(),this._abortController&&this._abortController.abort(),null==(e=this._menuItems)||e.forEach((e=>e.dispose())),this._menuItems=[],this._activeMenuItem=null,this.parentMenu=null}handleEvent(e){if("wheel"===e.type&&this._element){const t=e;this._element.scrollBy(0,t.deltaY),e.stopPropagation()}}dispatchEvent(e){return this.rootMenu.dispatchEvent(e)}get rootMenu(){return this.parentMenu.rootMenu}updateState(e){var t,n,i;this._menuItems.forEach((t=>t.updateState(e)));const o=this.hasCheck;let r;this.hasCheck=this._menuItems.some((e=>e.visible&&e.hasCheck)),this.hasCheck!==o&&this._menuItems.forEach((t=>t.updateState(e)));let a=0;for(const e of this._menuItems)"heading"===e.type?(r&&0===a&&(r.visible=!1),r=e,a=0):"divider"===e.type&&r?(r.visible=a>0,r=void 0,a=0):r&&e.visible&&(a+=1);r&&(r.visible=a>0);let s=!0;for(const e of this._menuItems)"divider"===e.type?(e.visible=!s,s=!0):e.visible&&(s=!1);(null==(t=this.activeMenuItem)?void 0:t.visible)||(this.activeMenuItem=null),(null==(n=this.activeMenuItem)?void 0:n.enabled)||"submenu"!==(null==(i=this.activeMenuItem)?void 0:i.type)||this._activeMenuItem.submenu.hide(),this._dirty=!1}get enabled(){return this.updateIfDirty(),this._menuItems.some((e=>"divider"!==e.type&&e.visible&&e.enabled))}get visible(){return this.updateIfDirty(),this._menuItems.some((e=>"divider"!==e.type&&e.visible))}set dirty(e){console.assert(!0===e),this._dirty!==e&&e&&this.parentMenu&&(this._dirty=!0,this.parentMenu.dirty=!0)}updateIfDirty(){this._dirty&&this.updateState(this.rootMenu.modifiers)}updateElement(){var e;if(this._element){this._element.textContent="";for(const{element:e,visible:t}of this._menuItems)e&&t&&this._element.append(e);null==(e=this._element.querySelector("li:first-of-type"))||e.setAttribute("tabindex","0")}}get element(){if(this._element)return this._element;const e=document.createElement("menu");e.setAttribute("role","menu"),e.setAttribute("tabindex","-1"),e.setAttribute("aria-orientation","vertical"),e.setAttribute("part","ui-menu-container"),this._submenuClass&&e.classList.add(this._submenuClass),e.classList.add("ui-menu-container"),this._abortController||(this._abortController=new AbortController);const t=this._abortController.signal;return e.addEventListener("focus",this,{signal:t}),e.addEventListener("wheel",this,{passive:!0,signal:t}),this._element=e,this.updateElement(),e}get activeMenuItem(){return this._activeMenuItem}set activeMenuItem(e){var t,n,i,o;if(this.rootMenu.cancelDelayedOperation(),e!==this._activeMenuItem){if(this.activeMenuItem){const e=this.activeMenuItem;e.active=!1,null==(t=e.submenu)||t.hide()}if(null!=(n=null==e?void 0:e.visible)&&!n)return void(this._activeMenuItem=null);this._activeMenuItem=e,e&&(e.active=!0)}e?null==(i=e.element)||i.focus({preventScroll:!0}):null==(o=this._element)||o.focus({preventScroll:!0})}get firstMenuItem(){this.updateIfDirty();let e=0,t=!1;const n=this._menuItems;for(;!t&&e<=n.length-1;){const i=n[e];t="divider"!==i.type&&i.visible&&i.enabled,e+=1}return t?n[e-1]:null}get lastMenuItem(){this.updateIfDirty();const e=this._menuItems;let t=e.length-1,n=!1;for(;!n&&t>=0;){const i=e[t];n="divider"!==i.type&&i.visible&&i.enabled,t-=1}return n?e[t+1]:null}nextMenuItem(e){if(0===e)return this._activeMenuItem;if(!this._activeMenuItem)return e>0?this.firstMenuItem:this.lastMenuItem;if(!this.firstMenuItem||!this.lastMenuItem||!this._activeMenuItem)return null;this.updateIfDirty();const t=this._menuItems.indexOf(this.firstMenuItem),n=this._menuItems.indexOf(this.lastMenuItem);let i=this._menuItems.indexOf(this._activeMenuItem),o=1;for(;i>=t&&i<=n;){i+=e>0?1:-1;const t=this._menuItems[i];if(!t)break;if(t.visible&&t.enabled){if(o===Math.abs(e))return this._menuItems[i];o+=1}}return e>0?this.lastMenuItem:this.firstMenuItem}getMenuItemColumn(e){this.updateIfDirty();const t=this._menuItems.filter((e=>e.visible&&e.enabled)).indexOf(e);return t<0?-1:t%this.columnCount}static get collator(){return e._collator||(e._collator=new Intl.Collator(void 0,{usage:"search",sensitivity:"base"})),e._collator}findMenuItem(t){var n;this.updateIfDirty();const i=this._menuItems.filter((e=>"divider"!==e.type&&e.visible&&e.enabled));if(0===i.length)return null;const o=Math.max(...i.map((e=>e.label.length)))-t.length;if(o<0)return null;let r=null,a=0;for(;a<o&&!r;)r=null!=(n=i.find((n=>0===e.collator.compare(t,n.label.substring(a,t.length)))))?n:null,a++;return r}show(e){return!(!this.visible||!e.container)&&(this.updateElement(),e.container.appendChild(this.element),y()&&(this.element.popover="manual",this.element.showPopover()),e.location&&function(e,t){var n,i,o;const r=null!=(n=Ah(e))?n:"ltr";e.style.position="fixed",e.style.left="",e.style.top="",e.style.right="",e.style.bottom="",e.style.height="",e.style.width="";const a=e.getBoundingClientRect(),s=Number.isFinite(t.maxHeight)?Math.min(t.maxHeight,window.innerHeight):window.innerHeight;let l=Math.min(s,null!=(i=t.height)?i:a.height),c=zh(t.location.y,l,t.verticalPos,r);c+l>window.innerHeight-8&&(t.alternateLocation?(c=zh(t.alternateLocation.y,l,t.verticalPos,r),c+l>window.innerHeight-8&&(c=void 0)):c=void 0),Number.isFinite(c)||(c=Math.max(8,window.innerHeight-8-l),8+l>window.innerHeight-8&&(e.style.bottom="8px")),l=Math.min(c+l,window.innerHeight-8)-c;const d=Number.isFinite(t.maxWidth)?Math.min(t.maxWidth,window.innerWidth):window.innerWidth;let h=Math.min(d,null!=(o=t.width)?o:a.width),u=zh(t.location.x,h,t.horizontalPos,r);u+h>window.innerWidth-8&&(t.alternateLocation?(u=function(e,t,n,i){return"middle"===n?e-t/2:"start"===n&&"ltr"===i||"end"===n&&"rtl"===i||"top"===n||"right"===n?e:e-t}(t.alternateLocation.x,h,t.verticalPos,r),u+h>window.innerWidth-8&&(u=void 0)):u=void 0),Number.isFinite(u)||(u=Math.max(8,window.innerWidth-8-h),8+h>window.innerWidth-8&&(e.style.right="8px")),h=Math.min(u+h,window.innerWidth-8)-u,"rtl"===r?e.style.right=`${Math.ceil(window.innerWidth-u-h).toString()}px`:e.style.left=`${Math.ceil(u).toString()}px`,e.style.top=`${Math.ceil(c).toString()}px`,l!==a.height&&(e.style.height=`${Math.ceil(l).toString()}px`),h!==a.width&&(e.style.width=`${Math.ceil(h).toString()}px`)}(this.element,{location:e.location,alternateLocation:e.alternateLocation,verticalPos:"bottom",horizontalPos:"start"}),this.element.focus({preventScroll:!0}),this.parentMenu&&(this.parentMenu.openSubmenu=this),!0)}hide(){var e,t,n,i,o;this.openSubmenu=null,this.activeMenuItem=null,this.parentMenu&&(this.parentMenu.openSubmenu=null),y()&&(null==(e=this._element)?void 0:e.popover)&&this.element.hidePopover(),null==(n=null==(t=this.parentMenu)?void 0:t.element)||n.focus(),null==(o=null==(i=this._element)?void 0:i.parentNode)||o.removeChild(this._element)}set openSubmenu(e){var t,n,i,o;const r=null!==e;"submenu"===(null==(t=this.activeMenuItem)?void 0:t.type)&&(null==(n=this.activeMenuItem.element)||n.setAttribute("aria-expanded",r.toString())),null==(o=null==(i=this.activeMenuItem)?void 0:i.element)||o.classList.toggle("is-submenu-open",r),this.isSubmenuOpen=r}},Rh=class e extends Fh{constructor(e,t){var n;super(e),this.state="closed",this.typingBufferResetTimer=0,this.hysteresisTimer=0,this._updating=!1,this._host=null!=(n=null==t?void 0:t.host)?n:null,this.isDynamic=e.some(Hh),this._modifiers={shift:!1,control:!1,alt:!1,meta:!1},this.typingBuffer="",this.state="closed"}get modifiers(){return this._modifiers}set modifiers(e){var t,n;(t=this._modifiers,n=e,!t&&n||t&&!n||t&&n&&(t.alt!==n.alt||t.control!==n.control||t.shift!==n.shift||t.meta!==n.meta))&&(this._modifiers=e,this.dirty=!0)}get activeSubmenu(){let e=this;for(;e.isSubmenuOpen;)e=e.activeMenuItem.submenu;return e}set dirty(e){this._updating||(console.assert(!0===e),this._dirty!==e&&(this._dirty=!0,e&&setTimeout((()=>{this.updateState(this.modifiers),this.updateElement()}))))}updateState(e){this._updating=!0,this.modifiers=null!=e?e:this.modifiers,super.updateState(this.modifiers),this._updating=!1}handleKeyupEvent(e){this.isDynamic&&(this.modifiers=Xl(e)),e.stopImmediatePropagation()}handleKeydownEvent(e){var t,n,i;if("Tab"===e.key||"Escape"===e.key)return void this.hide();this.isDynamic&&(this.modifiers=Xl(e));let o=!0;const r=this.activeSubmenu,a=r.activeMenuItem;switch(e.key){case" ":case"Space":case"Return":case"Enter":null==a||a.select(Xl(e));break;case"ArrowRight":if("submenu"===(null==a?void 0:a.type))a.select(Xl(e)),this.activeSubmenu.activeMenuItem=this.activeSubmenu.firstMenuItem;else if(a){const e=null!=(t=r.getMenuItemColumn(a))?t:-1;if(e>=0&&e<(null!=(n=r.columnCount)?n:1)-1){const e=r.nextMenuItem(1);e&&(r.activeMenuItem=e)}}else r.activeMenuItem=r.firstMenuItem;break;case"ArrowLeft":if(r===this.rootMenu)a||(r.activeMenuItem=r.firstMenuItem);else{if((a&&null!=(i=r.getMenuItemColumn(a))?i:-1)<=0||!a){r.hide();const e=r.parentMenu.activeMenuItem;if(e){const{element:t}=e;null==t||t.focus(),null==t||t.classList.remove("is-submenu-open")}}else{const e=r.nextMenuItem(-1);e&&(r.activeMenuItem=e)}}break;case"ArrowDown":r.activeMenuItem=r.nextMenuItem(r.columnCount);break;case"ArrowUp":r.activeMenuItem=r.nextMenuItem(-r.columnCount);break;case"Home":case"PageUp":r.activeMenuItem=r.firstMenuItem;break;case"End":case"PageDown":r.activeMenuItem=r.lastMenuItem;break;case"Backspace":if(this.typingBuffer&&(this.typingBuffer=this.typingBuffer.slice(0,-1),this.typingBuffer)){clearTimeout(this.typingBufferResetTimer);const e=r.findMenuItem(this.typingBuffer);e&&(r.activeMenuItem=e),this.typingBufferResetTimer=setTimeout((()=>{this.typingBuffer=""}),500)}break;default:if(Zl(e)){isFinite(this.typingBufferResetTimer)&&clearTimeout(this.typingBufferResetTimer),this.typingBuffer+=e.key;const t=r.findMenuItem(this.typingBuffer);t&&(r.activeMenuItem=t),this.typingBufferResetTimer=setTimeout((()=>{this.typingBuffer=""}),500)}else o=!1}o&&(e.preventDefault(),e.stopPropagation())}handleEvent(e){if("keydown"===e.type)this.handleKeydownEvent(e);else if("keyup"===e.type)this.handleKeyupEvent(e);else if("pointermove"===e.type)this.lastMoveEvent=e;else if("pointerup"===e.type&&e.target===this.scrim)Number.isFinite(this.rootMenu._openTimestamp)&&Date.now()-this.rootMenu._openTimestamp<120?this.state="modal":"modal"===this.state&&this.hide();else if("contextmenu"===e.type)return e.preventDefault(),void e.stopPropagation();super.handleEvent(e)}dispatchEvent(e){return!this._host||this._host.dispatchEvent(e)}get 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32s-14.3 32-32 32H32C14.3 128 0 113.7 0 96zM0 256c0-17.7 14.3-32 32-32H416c17.7 0 32 14.3 32 32s-14.3 32-32 32H32c-17.7 0-32-14.3-32-32zM448 416c0 17.7-14.3 32-32 32H32c-17.7 0-32-14.3-32-32s14.3-32 32-32H416c17.7 0 32 14.3 32 32z"/></svg>`;function ep(e){if(e&&(e.classList.remove("ML__highlight"),e.children))for(const t of e.children)ep(t)}function tp(e,t){var n;e&&(t&&(null==(n=e.dataset)?void 0:n.atomId)!==t?(e.classList.remove("ML__highlight"),e.children&&e.children.length>0&&[...e.children].forEach((e=>{e instanceof HTMLElement&&tp(e,t)}))):(e.classList.add("ML__highlight"),e.children&&e.children.length>0&&[...e.children].forEach((e=>{e instanceof HTMLElement&&tp(e)}))))}f()||console.error('MathLive 0.98.5: this version of the MathLive library is for use in the browser. A subset of the API is available on the server side in the "mathlive-ssr" library. If using server side rendering (with React for example) you may want to do a dynamic import of the MathLive library inside a `useEffect()` call.');var np=new WeakMap,ip={letterShapeStyle:"mf.letterShapeStyle = ...",horizontalSpacingScale:'Removed. Use `"thinmuskip"`, `"medmuskip"`, and `"thickmuskip"` registers ',macros:"mf.macros = ...",registers:"mf.registers = ...",backgroundColorMap:"mf.backgroundColorMap = ...",colorMap:"mf.colorMap = ...",enablePopover:"mf.popoverPolicy = ...",mathModeSpace:"mf.mathModeSpace = ...",placeholderSymbol:"mf.placeholderSymbol = ...",readOnly:"mf.readOnly = ...",removeExtraneousParentheses:"mf.removeExtraneousParentheses = ...",scriptDepth:"mf.scriptDepth = ...",smartFence:"mf.smartFence = ...",smartMode:"mf.smartMode = ...",smartSuperscript:"mf.smartSuperscript = ...",inlineShortcutTimeout:"mf.inlineShortcutTimeout = ...",inlineShortcuts:"mf.inlineShortcuts = ...",keybindings:"mf.keybindings = ...",virtualKeyboardMode:"mf.mathVirtualKeyboardPolicy = ...",customVirtualKeyboardLayers:"mathVirtualKeyboard.layers = ...",customVirtualKeyboards:"mathVirtualKeyboard.layouts = ...",keypressSound:"mathVirtualKeyboard.keypressSound = ...",keypressVibration:"mathVirtualKeyboard.keypressVibration = ...",plonkSound:"mathVirtualKeyboard.plonkSound = ...",virtualKeyboardContainer:"mathVirtualKeyboard.container = ...",virtualKeyboardLayout:"mathVirtualKeyboard.alphabeticLayout = ...",virtualKeyboardTheme:"No longer supported",virtualKeyboardToggleGlyph:"No longer supported",virtualKeyboardToolbar:"mathVirtualKeyboard.editToolbar = ...",virtualKeyboards:"Use `mathVirtualKeyboard.layouts`",speechEngine:"`MathfieldElement.speechEngine`",speechEngineRate:"`MathfieldElement.speechEngineRate`",speechEngineVoice:"`MathfieldElement.speechEngineVoice`",textToSpeechMarkup:"`MathfieldElement.textToSpeechMarkup`",textToSpeechRules:"`MathfieldElement.textToSpeechRules`",textToSpeechRulesOptions:"`MathfieldElement.textToSpeechRulesOptions`",readAloudHook:"`MathfieldElement.readAloudHook`",speakHook:"`MathfieldElement.speakHook`",computeEngine:"`MathfieldElement.computeEngine`",fontsDirectory:"`MathfieldElement.fontsDirectory`",soundsDirectory:"`MathfieldElement.soundsDirectory`",createHTML:"`MathfieldElement.createHTML`",onExport:"`MathfieldElement.onExport`",onInlineShortcut:"`MathfieldElement.onInlineShortcut`",onScrollIntoView:"`MathfieldElement.onScrollIntoView`",locale:"MathfieldElement.locale = ...",strings:"MathfieldElement.strings = ...",decimalSeparator:"MathfieldElement.decimalSeparator = ...",fractionNavigationOrder:"MathfieldElement.fractionNavigationOrder = ..."},op=class e extends HTMLElement{static get formAssociated(){return lp()}static get optionsAttributes(){return{"default-mode":"string","letter-shape-style":"string","min-font-scale":"number","popover-policy":"string","math-mode-space":"string","read-only":"boolean","remove-extraneous-parentheses":"on/off","smart-fence":"on/off","smart-mode":"on/off","smart-superscript":"on/off","inline-shortcut-timeout":"string","script-depth":"string",placeholder:"string","virtual-keyboard-target-origin":"string","math-virtual-keyboard-policy":"string"}}static get observedAttributes(){return[...Object.keys(this.optionsAttributes),"contenteditable","disabled","readonly","read-only"]}static get fontsDirectory(){return this._fontsDirectory}static set fontsDirectory(e){e!==this._fontsDirectory&&(this._fontsDirectory=e,async function(){kc="not-loaded",Mc()}())}get fontsDirectory(){throw new Error("Use MathfieldElement.fontsDirectory instead")}set fontsDirectory(e){throw new Error("Use MathfieldElement.fontsDirectory instead")}static get soundsDirectory(){return this._soundsDirectory}static set soundsDirectory(e){this._soundsDirectory=e,this.audioBuffers={}}get soundsDirectory(){throw new Error("Use MathfieldElement.soundsDirectory instead")}set soundsDirectory(e){throw new Error("Use MathfieldElement.soundsDirectory instead")}static get keypressSound(){return this._keypressSound}static set keypressSound(e){var t,n,i;this.audioBuffers={},null===e?this._keypressSound={spacebar:null,return:null,delete:null,default:null}:"string"==typeof e?this._keypressSound={spacebar:e,return:e,delete:e,default:e}:"object"==typeof e&&"default"in e&&(this._keypressSound={spacebar:null!=(t=e.spacebar)?t:e.default,return:null!=(n=e.return)?n:e.default,delete:null!=(i=e.delete)?i:e.default,default:e.default})}static get plonkSound(){return this._plonkSound}static set plonkSound(e){this.audioBuffers={},this._plonkSound=e}static get audioContext(){return this._audioContext||(this._audioContext=new AudioContext),this._audioContext}static get speechEngine(){return this._speechEngine}static set speechEngine(e){this._speechEngine=e}static get speechEngineRate(){return this._speechEngineRate}static set speechEngineRate(e){this._speechEngineRate=e}static get speechEngineVoice(){return this._speechEngineVoice}static set speechEngineVoice(e){this._speechEngineVoice=e}static get textToSpeechMarkup(){return this._textToSpeechMarkup}static set textToSpeechMarkup(e){this._textToSpeechMarkup=e}static get textToSpeechRules(){return this._textToSpeechRules}static set textToSpeechRules(e){this._textToSpeechRules=e}static get textToSpeechRulesOptions(){return this._textToSpeechRulesOptions}static set textToSpeechRulesOptions(e){this._textToSpeechRulesOptions=e}static get locale(){return v.locale}static set locale(e){"auto"===e&&(e=navigator.language.slice(0,5)),v.locale=e}get locale(){throw new Error("Use MathfieldElement.locale instead")}set locale(e){throw new Error("Use MathfieldElement.locale instead")}static get strings(){return v.strings}static set strings(e){v.merge(e)}get strings(){throw new Error("Use MathfieldElement.strings instead")}set strings(e){throw new Error("Use MathfieldElement.strings instead")}static get decimalSeparator(){return this._decimalSeparator}static set decimalSeparator(e){this._decimalSeparator=e,this._computeEngine&&(this._computeEngine.latexOptions.decimalMarker=","===this.decimalSeparator?"{,}":".")}get decimalSeparator(){throw new Error("Use MathfieldElement.decimalSeparator instead")}set decimalSeparator(e){throw new Error("Use MathfieldElement.decimalSeparator instead")}static get computeEngine(){var e,t;if(void 0===this._computeEngine){const t=null==(e=window[Symbol.for("io.cortexjs.compute-engine")])?void 0:e.ComputeEngine;if(!t)return null;this._computeEngine=new t,this._computeEngine&&","===this.decimalSeparator&&(this._computeEngine.latexOptions.decimalMarker="{,}")}return null!=(t=this._computeEngine)?t:null}static set computeEngine(e){this._computeEngine=e}get computeEngine(){throw new Error("Use MathfieldElement.computeEngine instead")}set computeEngine(e){throw new Error("Use MathfieldElement.computeEngine instead")}static get isFunction(){return"function"!=typeof this._isFunction?()=>!1:this._isFunction}static set isFunction(e){this._isFunction=e}static async loadSound(e){delete this.audioBuffers[e];let t="";switch(e){case"keypress":t=this._keypressSound.default;break;case"return":t=this._keypressSound.return;break;case"spacebar":t=this._keypressSound.spacebar;break;case"delete":t=this._keypressSound.delete;break;case"plonk":t=this.plonkSound}if("string"!=typeof t)return;t=t.trim();const n=this.soundsDirectory;if(null!=n&&"null"!==n&&"none"!==t&&"null"!==t)try{const i=await fetch(await _c(`${n}/${t}`)),o=await i.arrayBuffer(),r=await this.audioContext.decodeAudioData(o);this.audioBuffers[e]=r}catch(e){}}static async playSound(e){if("suspended"!==this.audioContext.state&&"interrupted"!==this.audioContext.state||await this.audioContext.resume(),this.audioBuffers[e]||await this.loadSound(e),!this.audioBuffers[e])return;const t=this.audioContext.createBufferSource();t.buffer=this.audioBuffers[e];const n=this.audioContext.createGain();n.gain.value=.5,t.connect(n).connect(this.audioContext.destination),t.start()}constructor(e){if(super(),e){const t=[];for(const n of Object.keys(e))if(ip[n])if(ip[n].startsWith("mf."))if(ip[n].startsWith(`mf.${n}`))t.push(`Option \`${n}\` cannot be used as a constructor option. Use ${ip[n]}`);else{const e=ip[n].match(/([a-zA-Z]+) =/);t.push(`Option \`${n}\` has been renamed \`${e[1]}\``)}else t.push(`Option \`${n}\` cannot be used as a constructor option. Use ${ip[n]}`);if(t.length>0){console.group("%cMathLive 0.98.5: %cInvalid Options","color:#12b; font-size: 1.1rem","color:#db1111; font-size: 1.1rem"),console.warn("Some of the options passed to `new MathfieldElement(...)` are invalid. \n See https://cortexjs.io/mathlive/changelog/ for details.");for(const e of t)console.warn(e);console.groupEnd()}}if(lp()&&(this._internals=this.attachInternals(),this._internals.role="math",this._internals.ariaLabel="math input field",this._internals.ariaMultiLine="false"),this.attachShadow({mode:"open",delegatesFocus:!0}),this.shadowRoot&&"adoptedStyleSheets"in this.shadowRoot){this.shadowRoot.adoptedStyleSheets=[us("core"),us("mathfield"),us("mathfield-element"),us("ui"),us("menu")],this.shadowRoot.appendChild(document.createElement("span"));const e=document.createElement("slot");e.style.display="none",this.shadowRoot.appendChild(e)}else this.shadowRoot.innerHTML="<style>"+hs("core")+hs("mathfield")+hs("mathfield-element")+hs("ui")+hs("menu")+'</style><span></span><slot style="display:none"></slot>';e&&this._setOptions(e),this.shadowRoot.addEventListener("slotchange",(()=>{var e;const t=this.shadowRoot.querySelector("slot:not([name])");this.value=null!=(e=null==t?void 0:t.assignedNodes().map((e=>3===e.nodeType?e.textContent:"")).join("").trim())?e:""}))}showMenu(e){var t,n;return null!=(n=null==(t=this._mathfield)?void 0:t.showMenu(e))&&n}get mathVirtualKeyboard(){throw new Error("The `mathVirtualKeyboard` property is not available on the MathfieldElement. Use `window.mathVirtualKeyboard` instead.")}onPointerDown(){window.addEventListener("pointerup",(e=>{var t;e.target!==this||(null==(t=this._mathfield)?void 0:t.disabled)||this.dispatchEvent(new MouseEvent("click",{altKey:e.altKey,button:e.button,buttons:e.buttons,clientX:e.clientX,clientY:e.clientY,ctrlKey:e.ctrlKey,metaKey:e.metaKey,movementX:e.movementX,movementY:e.movementY,relatedTarget:e.relatedTarget,screenX:e.screenX,screenY:e.screenY,shiftKey:e.shiftKey}))}),{once:!0})}getPromptValue(e,t){var n,i;return null!=(i=null==(n=this._mathfield)?void 0:n.getPromptValue(e,t))?i:""}setPromptValue(e,t,n){var i;null==(i=this._mathfield)||i.setPromptValue(e,t,n)}getPromptRange(e){var t,n;return null!=(n=null==(t=this._mathfield)?void 0:t.getPromptRange(e))?n:null}getPrompts(e){var t,n;return null!=(n=null==(t=this._mathfield)?void 0:t.getPrompts(e))?n:[]}get form(){var e;return null==(e=this._internals)?void 0:e.form}get name(){var e;return null!=(e=this.getAttribute("name"))?e:""}get type(){return this.localName}get mode(){var e,t;return null!=(t=null==(e=this._mathfield)?void 0:e.model.mode)?t:"text"===this.defaultMode?"text":"math"}set mode(e){var t;null==(t=this._mathfield)||t.switchMode(e)}get expression(){if(this._mathfield)return window[Symbol.for("io.cortexjs.compute-engine")]?this._mathfield.expression:(console.error('MathLive 0.98.5: The CortexJS Compute Engine library is not available.\n \n Load the library, for example with:\n \n import "https://unpkg.com/@cortex-js/compute-engine?module"'),null)}set expression(t){var n,i;if(!this._mathfield)return;const o=null!=(i=null==(n=e.computeEngine)?void 0:n.box(t).latex)?i:null;null!==o&&this._mathfield.setValue(o),window[Symbol.for("io.cortexjs.compute-engine")]||console.error('MathLive 0.98.5: The CortexJS Compute Engine library is not available.\n \n Load the library, for example with:\n \n import "https://unpkg.com/@cortex-js/compute-engine?module"')}get errors(){var e,t;return null!=(t=null==(e=this._mathfield)?void 0:e.errors)?t:[]}_getOptions(e){return this._mathfield?hd(this._mathfield.options,e):np.has(this)?d({},hd(d(d({},ud()),dd(np.get(this).options)),e)):null}getOptions(e){return console.warn("%cMathLive 0.98.5: %cDeprecated Usage%c\n `mf.getOptions()` is deprecated. Read the property directly on the mathfield instead.\n See https://cortexjs.io/mathlive/changelog/ for details.","color:#12b; font-size: 1.1rem","color:#db1111; font-size: 1.1rem","color: inherit, font-size: 1rem"),this._mathfield?hd(this._mathfield.options,e):np.has(this)?hd(d(d({},ud()),dd(np.get(this).options)),e):null}reflectAttributes(){const t=ud(),n=this._getOptions();Object.keys(e.optionsAttributes).forEach((i=>{const o=ap(i);"on/off"===e.optionsAttributes[i]?t[o]!==n[o]?this.setAttribute(i,n[o]?"on":"off"):this.removeAttribute(i):t[o]!==n[o]&&("boolean"===e.optionsAttributes[i]?n[o]?this.setAttribute(i,""):this.removeAttribute(i):"string"!=typeof n[o]&&"number"!=typeof n[o]||this.setAttribute(i,n[o].toString()))}))}getOption(e){return console.warn("%cMathLive 0.98.5: %cDeprecated Usage%c\n `mf.getOption()` is deprecated. Read the property directly on the mathfield instead.\n See https://cortexjs.io/mathlive/changelog/ for details.","color:#12b; font-size: 1.1rem","color:#db1111; font-size: 1.1rem","color: inherit, font-size: 1rem"),this._getOptions([e])[e]}_getOption(e){return this._getOptions([e])[e]}_setOptions(e){if(this._mathfield)this._mathfield.setOptions(e);else if(np.has(this)){const t=d(d({},np.get(this).options),e);np.set(this,h(d({},np.get(this)),{selection:{ranges:t.readOnly?[[0,0]]:[[0,-1]]},options:t}))}else np.set(this,{value:void 0,selection:{ranges:[[0,0]]},options:e,menuItems:void 0});this.reflectAttributes()}setOptions(e){console.group("%cMathLive 0.98.5: %cDeprecated Usage","color:#12b; font-size: 1.1rem","color:#db1111; font-size: 1.1rem"),console.warn(" `mf.setOptions()` is deprecated. Set the property directly on the mathfield instead.\n See https://cortexjs.io/mathlive/changelog/ for details.");for(const t of Object.keys(e))ip[t]&&console.warn(`\`mf.setOptions({${t}:...})\` -> ${ip[t]}`);console.groupEnd(),this._setOptions(e)}executeCommand(e){var t,n;return null!=(n=null==(t=this._mathfield)?void 0:t.executeCommand(e))&&n}getValue(e,t,n){var i,o;if(this._mathfield)return this._mathfield.model.getValue(e,t,n);if(np.has(this)){let r,a,s;if(Ia(e)?([r,a]=e.ranges[0],s=t):Na(e)?([r,a]=e,s=t):qa(e)&&qa(t)?(r=e,a=t,s=n):(r=0,a=-1,s=e),(void 0===s||"latex"===s)&&0===r&&-1===a)return null!=(o=null!=(i=np.get(this).value)?i:this.textContent)?o:""}return""}setValue(e,t){if(this._mathfield&&void 0!==e)return null!=t||(t={silenceNotifications:!0,mode:"math"}),void this._mathfield.setValue(e,t);if(np.has(this)){const t=np.get(this).options;return void np.set(this,{value:e,selection:{ranges:[[-1,-1]],direction:"forward"},options:t,menuItems:void 0})}const n=sp(this);np.set(this,{value:e,selection:{ranges:[[-1,-1]],direction:"forward"},options:n,menuItems:void 0})}hasFocus(){var e,t;return null!=(t=null==(e=this._mathfield)?void 0:e.hasFocus())&&t}focus(){var e;null==(e=this._mathfield)||e.focus()}blur(){var e;null==(e=this._mathfield)||e.blur()}select(){var e;null==(e=this._mathfield)||e.select()}insert(e,t){var n,i;return null!=(i=null==(n=this._mathfield)?void 0:n.insert(e,t))&&i}applyStyle(e,t){var n;return null==(n=this._mathfield)?void 0:n.applyStyle(e,t)}queryStyle(e){var t,n;return null!=(n=null==(t=this._mathfield)?void 0:t.queryStyle(e))?n:"none"}get caretPoint(){var e,t;return null!=(t=null==(e=this._mathfield)?void 0:e.getCaretPoint())?t:null}set caretPoint(e){var t;e&&(null==(t=this._mathfield)||t.setCaretPoint(e.x,e.y))}setCaretPoint(e,t){var n,i;return null!=(i=null==(n=this._mathfield)?void 0:n.setCaretPoint(e,t))&&i}offsetFromPoint(e,t,n){return this._mathfield?ph(this._mathfield,e,t,n):-1}hitboxFromOffset(e){if(!this._mathfield)return null;const t=this._mathfield.model.at(e);if(!t)return null;const n=rs(this._mathfield,t);return n?new DOMRect(n.left,n.top,n.right-n.left,n.bottom-n.top):null}resetUndo(){var e;null==(e=this._mathfield)||e.resetUndo()}canUndo(){return!!this._mathfield&&this._mathfield.canUndo()}canRedo(){return!!this._mathfield&&this._mathfield.canRedo()}handleEvent(e){var t,n,i,o;"closed"===Ql.state&&"closed"===(null==(n=null==(t=this._mathfield)?void 0:t.menu)?void 0:n.state)&&("pointerdown"===e.type&&this.onPointerDown(),"focus"===e.type&&(null==(i=this._mathfield)||i.focus()),"blur"===e.type&&(null==(o=this._mathfield)||o.blur()))}connectedCallback(){var t,n,i,o;const r=window.getComputedStyle(this),a=this.shadowRoot,s="none"!==r.userSelect;if(s)a.host.addEventListener("pointerdown",this,!0);else{a.querySelector("span").style.pointerEvents="none"}a.host.addEventListener("focus",this,!0),a.host.addEventListener("blur",this,!0),lp()||(this.hasAttribute("role")||this.setAttribute("role","math"),this.hasAttribute("aria-label")||this.setAttribute("aria-label","math input field"),this.setAttribute("aria-multiline","false")),s&&!this.hasAttribute("contenteditable")&&this.setAttribute("contenteditable","true"),this.hasAttribute("tabindex")||this.setAttribute("tabindex","0");const l=a.querySelector("slot:not([name])");if(l)try{this._style=l.assignedElements().filter((e=>"style"===e.tagName.toLowerCase())).map((e=>e.textContent)).join("")}catch(e){console.error(e)}if(this._style){const e=document.createElement("style");e.textContent=this._style,a.appendChild(e)}let c="";if(c=this.hasAttribute("value")?this.getAttribute("value"):null!=(t=null==l?void 0:l.assignedNodes().map((e=>3===e.nodeType?e.textContent:"")).join("").trim())?t:"",this._mathfield=new class{constructor(e,t){var n,i,o;this.focusBlurInProgress=!1,this.options=d(h(d({},ud()),{macros:ie(),registers:La()}),dd(t)),this.eventController=new AbortController;const r=this.eventController.signal;t.eventSink&&(this.host=t.eventSink),this.element=e,e.mathfield=this,this.blurred=!0,this.keystrokeCaptionVisible=!1,this.suggestionIndex=0,this.inlineShortcutBuffer=[],this.inlineShortcutBufferFlushTimer=0,this.defaultStyle={},this.adoptStyle="left","inline-math"===this.options.defaultMode?this.element.classList.add("ML__is-inline"):this.element.classList.remove("ML__is-inline"),this.dirty=!1;let a=null!=(i=null!=(n=t.value)?n:this.element.textContent)?i:"";a=a.trim();const s=pd(this.options),l=new za({type:"root",mode:s,body:Qs(a,{context:this.context})});this.model=new class{constructor(e,t,n){this.mathfield=e,this.mode=t,this.silenceNotifications=!1,this._selection={ranges:[[0,0]],direction:"none"},this._anchor=0,this._position=0,this.root=n}dispose(){this.mathfield=void 0}getState(){const e={ranges:[...this._selection.ranges]};return this.selection.direction&&"none"!==this.selection.direction&&(e.direction=this.selection.direction),{content:this.root.toJson(),selection:e,mode:this.mode}}setState(e,t){var n;const i=this.silenceNotifications;this.silenceNotifications=null==(n=null==t?void 0:t.silenceNotifications)||n;let o={};if("undo"===(null==t?void 0:t.type)&&(o={inputType:"historyUndo"}),"redo"===(null==t?void 0:t.type)&&(o={inputType:"historyRedo"}),this.contentWillChange(o)){const t=this.silenceNotifications;this.silenceNotifications=!0,this.mode=e.mode,this.root=Ll(e.content),this.selection=e.selection,this.silenceNotifications=t,this.contentDidChange(o)}this.silenceNotifications=i}get atoms(){return this.root.children}get selection(){return this._selection}set selection(e){this.setSelection(e)}setSelection(e,t){return!(!this.mathfield.contentEditable&&"none"===this.mathfield.userSelect)&&this.deferNotifications({selection:!0},(()=>{var n,i,o;const r=this.normalizeSelection(e,t);if(void 0===r)throw new TypeError("Invalid selection");if(1===r.ranges.length&&r.ranges[0][0]===r.ranges[0][1]){const e=r.ranges[0][0];return this.mathfield.dirty||(null==(n=this.at(e))?void 0:n.parentPrompt)||!this.mathfield.hasEditablePrompts?(this._anchor=e,this._position=e,void(this._selection=r)):(null==(i=this.at(e-1))?void 0:i.parentPrompt)?(this._anchor=this.normalizeOffset(e-1),this._position=this._anchor,void(this._selection=this.normalizeSelection(this._anchor))):(null==(o=this.at(e+1))?void 0:o.parentPrompt)?(this._anchor=this.normalizeOffset(e+1),this._position=this._anchor,void(this._selection=this.normalizeSelection(this._anchor))):(this._anchor=0,this._position=0,void(this._selection={ranges:[[0,0]]}))}const a=Oa(r);"backward"===r.direction?[this._position,this._anchor]=a:[this._anchor,this._position]=a;const s=this.at(a[0]+1),l=this.at(a[1]),c=za.commonAncestor(s,l);"array"===(null==c?void 0:c.type)&&s.parent===c&&l.parent,this._selection={ranges:[a],direction:r.direction},console.assert(this._position>=0&&this._position<=this.lastOffset)}))}setPositionHandlingPlaceholder(e){var t;const n=this.at(e);"placeholder"===(null==n?void 0:n.type)?this.setSelection(e-1,e):"placeholder"===(null==(t=null==n?void 0:n.rightSibling)?void 0:t.type)?this.setSelection(e,e+1):this.position=e,n instanceof dl&&n.isSuggestion&&(n.isSuggestion=!1),this.mathfield.stopCoalescingUndo()}get position(){return this._position}set position(e){this.setSelection(e,e)}get anchor(){return this._anchor}get selectionIsCollapsed(){return this._anchor===this._position}get selectionIsPlaceholder(){return 1===Math.abs(this._anchor-this._position)&&"placeholder"===this.at(Math.max(this._anchor,this._position)).type}collapseSelection(e="forward"){return this._anchor!==this._position&&(this.position="backward"===e?Math.min(this._anchor,this._position):Math.max(this._anchor,this._position),!0)}get lastOffset(){return this.atoms.length-1}at(e){return this.atoms[e]}offsetOf(e){return this.atoms.indexOf(e)}getSiblingsRange(e){const t=this.at(e),{parent:n}=t;if(!n)return[0,this.lastOffset];const i=t.parent.branch(t.parentBranch);return[this.offsetOf(i[0]),this.offsetOf(i[i.length-1])]}getBranchRange(e,t){const n=this.at(e).branch(t);return[this.offsetOf(n[0]),this.offsetOf(n[n.length-1])]}getAtoms(e,t,n){let i,o,r=null!=n?n:{};if(Ia(e)){if(r=null!=t?t:{},e.ranges.length>1)return e.ranges.reduce(((e,t)=>[...e,...this.getAtoms(t,r)]),[]);e=e.ranges[0]}if(qa(e)){if(i=e,!qa(t))return[];o=t}else[i,o]=e,r=null!=t?t:{};if(!Number.isFinite(i))return[];void 0===r.includeChildren&&(r.includeChildren=!1),i<0&&(i=this.lastOffset-i+1),o<0&&(o=this.lastOffset-o+1);const a=Math.min(i,o)+1,s=Math.max(i,o);if(!r.includeChildren&&1===a&&s===this.lastOffset)return[this.root];let l=[];for(let e=a;e<=s;e++){const t=this.atoms[e];Ju(this,t,a,s)&&l.push(t)}return r.includeChildren||(l=l.filter((e=>{let t=!1,{parent:n}=e;for(;n&&!t;)t=Ju(this,n,a,s),n=n.parent;return!t}))),l}getAllAtoms(e=0){const t=[],n=this.lastOffset;for(let i=e;i<=n;i++)t.push(this.atoms[i]);for(let n=0;n<e;n++)t.push(this.atoms[n]);return t}findAtom(e,t=0,n="forward"){let i;const o=this.lastOffset;if("forward"!==n){for(let n=t;n>=0;n--)if(i=this.atoms[n],e(i))return i;for(let n=o;n>t;n--)if(i=this.atoms[n],e(i))return i}else{for(let n=t;n<=o;n++)if(i=this.atoms[n],e(i))return i;for(let n=0;n<t;n++)if(i=this.atoms[n],e(i))return i}}extractAtoms(e){let t=this.getAtoms(e);if(1===t.length&&!t[0].parent){if("root"!==t[0].type)return t=this.root.cells.flat(),this.root=new za({type:"root",body:[]}),t;t=[...t[0].body],t.shift()}for(const e of t)e.parent.removeChild(e);return t}deleteAtoms(e){this.extractAtoms(e),this.position=e[0]}atomToString(e,t){const n=null!=t?t:"latex";if(n.startsWith("latex"))return za.serialize([e],{expandMacro:"latex-expanded"===n,skipStyles:"latex-unstyled"===n,skipPlaceholders:"latex-without-placeholders"===n,defaultMode:this.mathfield.options.defaultMode});if("math-ml"===n)return su(e);if("spoken"===n)return gu(e);if("spoken-text"===n){const t=window.MathfieldElement.textToSpeechMarkup;window.MathfieldElement.textToSpeechMarkup="";const n=gu(e);return window.MathfieldElement.textToSpeechMarkup=t,n}if("spoken-ssml"===n||"spoken-ssml-with-highlighting"===n){const t=window.MathfieldElement.textToSpeechMarkup;window.MathfieldElement.textToSpeechMarkup="ssml";const n=gu(e);return window.MathfieldElement.textToSpeechMarkup=t,n}return"ascii-math"===n?vu(e):(console.error(`MathLive 0.98.5: Unexpected format "${n}`),"")}getValue(e,t,n){if(void 0===e)return this.atomToString(this.root,"latex");if("string"==typeof e&&"math-json"!==e)return this.atomToString(this.root,e);let i,o;if(qa(e)&&qa(t)?(i=[this.normalizeRange([e,t])],o=n):Na(e)?(i=[this.normalizeRange(e)],o=t):Ia(e)?(i=e.ranges,o=t):(i=[this.normalizeRange([0,-1])],o=e),null!=o||(o="latex"),"math-json"===o){if(!window.MathfieldElement.computeEngine)return window[Symbol.for("io.cortexjs.compute-engine")]||console.error('The CortexJS Compute Engine library is not available.\nLoad the library, for example with:\nimport "https://unpkg.com/@cortex-js/compute-engine?module"'),'["Error", "compute-engine-not-available"]';const e=this.getValue({ranges:i},"latex-unstyled");try{const t=window.MathfieldElement.computeEngine.parse(e);return JSON.stringify(t.json)}catch(e){return JSON.stringify(["Error",`'${e.toString()}'`])}}if(o.startsWith("latex")){const e={expandMacro:"latex-expanded"===o,skipStyles:"latex-unstyled"===o,skipPlaceholders:"latex-without-placeholders"===o,defaultMode:this.mathfield.options.defaultMode};return Yr(i.map((t=>za.serialize(this.getAtoms(t),e))))}return i.map((e=>this.getAtoms(e).map((e=>this.atomToString(e,o))).join(""))).join("")}extendSelectionTo(e,t){return!(!this.mathfield.contentEditable&&"none"===this.mathfield.userSelect)&&this.deferNotifications({selection:!0},(()=>{const n=this.normalizeRange([e,t]);let[i,o]=n,{parent:r}=this.at(o);if(r&&("genfrac"===r.type||"subsup"===r.type))for(;r!==this.root&&Xu(this,r,[i,o]);)o=this.offsetOf(r),r=r.parent;for(r=this.at(i).parent;r!==this.root&&Xu(this,r,[i,o]);)i=this.offsetOf(r.leftSibling),r=r.parent;if(r=this.at(o).parent,"genfrac"===(null==r?void 0:r.type))for(;r!==this.root&&Xu(this,r,[i,o]);)o=this.offsetOf(r),console.assert(o>=0),r=r.parent;this._position=this.normalizeOffset(t),this._selection={ranges:[[i,o]],direction:"none"}}))}announce(e,t,n=[]){var i,o;(null==(o=null==(i=this.mathfield.host)?void 0:i.dispatchEvent(new CustomEvent("announce",{detail:{command:e,previousPosition:t,atoms:n},cancelable:!0,bubbles:!0,composed:!0})))||o)&&Uu(this.mathfield,e,t,n)}deferNotifications(e,t){const n=this._selection,i=this._anchor,o=this._position,r=this.silenceNotifications;this.silenceNotifications=!0;const a=this.root.changeCounter;t();const s=this.root.changeCounter!==a,l=i!==this._anchor||o!==this._position||"different"===function(e,t){if(e.direction===t.direction){const n=e.ranges.length;if(t.ranges.length===n){let i=0;for(;i<n&&"equal"===Pa(e.ranges[i],t.ranges[i]);)i++;return i===n?"equal":"different"}}return"different"}(this._selection,n);return this.silenceNotifications=r,e.content&&s&&this.contentDidChange({inputType:e.type}),e.selection&&l&&this.selectionDidChange(),s||l}normalizeOffset(e){return e>0?e=Math.min(e,this.lastOffset):e<0&&(e=this.lastOffset+e+1),e}normalizeRange(e){let[t,n]=e;return t=this.normalizeOffset(t),n=this.normalizeOffset(n),t<n?[t,n]:[n,t]}normalizeSelection(e,t){var n;let i;if(qa(e)){const n=this.normalizeOffset(e);if(qa(t)){const e=this.normalizeOffset(t);i=n<=e?{ranges:[[n,e]],direction:"none"}:{ranges:[[e,n]],direction:"backward"}}else i={ranges:[[n,n]],direction:"none"}}else if(Na(e)){const t=this.normalizeOffset(e[0]),n=this.normalizeOffset(e[1]);i=t<=n?{ranges:[[t,n]],direction:"none"}:{ranges:[[n,t]],direction:"backward"}}else Ia(e)&&(i={ranges:e.ranges.map((e=>this.normalizeRange(e))),direction:null!=(n=e.direction)?n:"none"});return console.assert(void 0!==i),i}get parentEnvironment(){let e=this.at(this.position).parent;if(e){for(;e.parent&&"array"!==e.type;)e=e.parent;if("array"===e.type)return e}}get cell(){var e;let t=this.at(this.position);if(t){for(;t&&"array"!==(null==(e=t.parent)?void 0:e.type);)t=t.parent;if((null==t?void 0:t.parent)&&"array"===t.parent.type)return t.parentBranch}}contentWillChange(e={}){if(this.silenceNotifications||!this.mathfield)return!0;const t=this.silenceNotifications;this.silenceNotifications=!0;const n=this.mathfield.onContentWillChange(e);return this.silenceNotifications=t,n}contentDidChange(e){var t;if(window.mathVirtualKeyboard.visible&&window.mathVirtualKeyboard.update(yh(this.mathfield)),this.silenceNotifications||!this.mathfield.host||!this.mathfield)return;const n=this.silenceNotifications;this.silenceNotifications=!0,this.mathfield.host.dispatchEvent(new InputEvent("input",h(d({},e),{data:e.data?e.data:null!=(t=e.inputType)?t:"",bubbles:!0,composed:!0}))),this.silenceNotifications=n}selectionDidChange(){if(!this.mathfield)return;if(window.mathVirtualKeyboard.visible&&window.mathVirtualKeyboard.update(yh(this.mathfield)),this.silenceNotifications)return;const e=this.silenceNotifications;this.silenceNotifications=!0,this.mathfield.onSelectionDidChange(),this.silenceNotifications=e}}(this,s,l),this.undoManager=new Kd(this.model);const c=[];if(c.push("<span contenteditable=true aria-multiline=false part=keyboard-sink class=ML__keyboard-sink autocapitalize=off autocomplete=off autocorrect=off spellcheck=false inputmode=none tabindex=0></span>"),c.push('<span part=container class=ML__container aria-hidden=true style="visibility:hidden">'),c.push("<span part=content class=ML__content>"),c.push(Cc(this)),c.push("</span>"),window.mathVirtualKeyboard&&(c.push(`<div part=virtual-keyboard-toggle class=ML__virtual-keyboard-toggle role=button ${this.hasEditableContent?"":'style="display:none;"'} data-l10n-tooltip="tooltip.toggle virtual keyboard">`),c.push(Yu),c.push("</div>")),c.push('<div part=menu-toggle class=ML__menu-toggle role=button data-l10n-tooltip="tooltip.menu">'),c.push(Qu),c.push("</div>"),c.push("</span>"),c.push("<span class=ML__sr-only>"),c.push("<span role=status aria-live=assertive aria-atomic=true></span>"),c.push("</span>"),this.element.innerHTML=window.MathfieldElement.createHTML(c.join("")),!this.element.children)return void console.error("%cMathLive 0.98.5: Something went wrong and the mathfield could not be created.%c\nIf you are using Vue, this may be because you are using the runtime-only build of Vue. Make sure to include `runtimeCompiler: true` in your Vue configuration. There may a warning from Vue in the log above.","color:red;font-family:system-ui;font-size:1.2rem;font-weight:bold","color:inherit;font-family:system-ui;font-size:inherit;font-weight:inherit");this._l10Subscription=v.subscribe((()=>v.update(this.element))),v.update(this.element),this.field=this.element.querySelector("[part=content]"),this.field.addEventListener("click",(e=>e.stopImmediatePropagation()),{capture:!1,signal:r}),this.field.addEventListener("wheel",this,{passive:!1,signal:r}),"PointerEvent"in window?this.field.addEventListener("pointerdown",this,{signal:r}):this.field.addEventListener("mousedown",this,{signal:r}),null==(o=this.element.querySelector("[part=virtual-keyboard-toggle]"))||o.addEventListener("click",(()=>{window.mathVirtualKeyboard.visible?window.mathVirtualKeyboard.hide():(window.mathVirtualKeyboard.show({animate:!0}),window.mathVirtualKeyboard.update(yh(this)))}),{signal:r}),this._menu=new Vh(Iu(this),{host:this.host}),this.field.addEventListener("contextmenu",this,{signal:r});const u=this.element.querySelector("[part=menu-toggle]");var p;null==u||u.addEventListener("pointerdown",(e=>{if(e.currentTarget!==u)return;if("closed"!==this._menu.state)return;this.element.classList.add("tracking");const t=u.getBoundingClientRect();this._menu.modifiers=Xl(e),this._menu.show({target:u,location:{x:t.left,y:t.bottom},onDismiss:()=>this.element.classList.remove("tracking")}),e.preventDefault(),e.stopPropagation()}),{signal:r}),(this.model.atoms.length<=1||this.disabled||this.readOnly&&!this.hasEditableContent||"none"===this.userSelect)&&(u.style.display="none"),this.ariaLiveText=this.element.querySelector("[role=status]"),this.keyboardDelegate=function(e,t,n){let i=null,o=null,r=!1,a=!1,s=!1;const l=new AbortController,c=l.signal;return e.addEventListener("keydown",(t=>{r||"Process"===t.key||"CapsLock"===t.code||/(Control|Meta|Alt|Shift)(Left|Right)/.test(t.code)?i=null:(i=t,o=null,n.onKeystroke(t)?e.textContent="":i=null)}),{capture:!0,signal:c}),e.addEventListener("keypress",(e=>{r||(i&&o&&n.onKeystroke(i),o=e)}),{capture:!0,signal:c}),e.addEventListener("compositionstart",(t=>{e.textContent="",r=!0,n.onCompositionStart(t.data)}),{capture:!0,signal:c}),e.addEventListener("compositionupdate",(e=>{r&&n.onCompositionUpdate(e.data)}),{capture:!0,signal:c}),e.addEventListener("compositionend",(t=>{e.textContent="",r&&(r=!1,n.onCompositionEnd(t.data))}),{capture:!0,signal:c}),e.addEventListener("beforeinput",(e=>e.stopImmediatePropagation()),{signal:c}),e.addEventListener("input",(t=>{var i;if(!r&&(e.textContent="","insertCompositionText"!==t.inputType)){if("insertFromPaste"===t.inputType)return t.preventDefault(),void t.stopPropagation();n.onInput(null!=(i=t.data)?i:""),t.preventDefault(),t.stopPropagation()}}),{signal:c}),e.addEventListener("paste",(t=>{e.focus({preventScroll:!0}),e.textContent="",n.onPaste(t)||t.preventDefault(),t.stopImmediatePropagation()}),{signal:c}),e.addEventListener("cut",(e=>n.onCut(e)),{capture:!0,signal:c}),e.addEventListener("copy",(e=>n.onCopy(e)),{capture:!0,signal:c}),e.addEventListener("blur",(r=>{var l,c;if((null==(c=null==(l=r.relatedTarget)?void 0:l._mathfield)?void 0:c.element)===t)return e.focus({preventScroll:!0}),r.preventDefault(),void r.stopPropagation();const d=Ql.state;return"open"===d||"opening"===d||r.relatedTarget===r.target.getRootNode().host?(r.preventDefault(),void r.stopPropagation()):void(s||a||(s=!0,i=null,o=null,n.onBlur(),s=!1))}),{capture:!0,signal:c}),e.addEventListener("focus",(e=>{s||a||(a=!0,n.onFocus(),a=!1)}),{capture:!0,signal:c}),{dispose:()=>l.abort(),cancelComposition:()=>{r&&(e.blur(),requestAnimationFrame((()=>e.focus({preventScroll:!0}))))},blur:()=>{"function"==typeof e.blur&&e.blur()},focus:()=>{a||"function"!=typeof e.focus||e.focus({preventScroll:!0})},hasFocus:()=>Yl()===e,setAriaLabel:t=>e.setAttribute("aria-label",t),setValue:t=>{var n;e.textContent=t,e.style.left="-1000px",null==(n=window.getSelection())||n.selectAllChildren(e)},moveTo:(t,n)=>{e.style.top=`${n}px`,e.style.left=`${t}px`}}}(this.element.querySelector(".ML__keyboard-sink"),this.element,this),window.addEventListener("resize",this,{signal:r}),document.addEventListener("scroll",this,{signal:r}),this.resizeObserver=new ResizeObserver((()=>Lc(this))),this.resizeObserver.observe(this.field),window.mathVirtualKeyboard.addEventListener("virtual-keyboard-toggle",this,{signal:r}),Fl&&!v.locale.startsWith(Fl.locale)&&(p=v.locale,Fl=Vl.find((e=>p.startsWith(e.locale)))),"ready"!==kc&&document.fonts.ready.then((()=>Kc(this))),e.querySelector("[part=container]").style.removeProperty("visibility"),this.undoManager.startRecording(),this.undoManager.snapshot("set-value")}get defaultStyle(){return this._defaultStyle}set defaultStyle(e){this._defaultStyle=e}get effectiveStyle(){if("none"===this.adoptStyle)return this.defaultStyle;const e=this.model.at(this.model.position),t="right"===this.adoptStyle?e.rightSibling:e;if(!t)return this.defaultStyle;if("group"===t.type){const e=t.branch("body");return!e||e.length<2?{}:"right"===this.adoptStyle?e[1].computedStyle:e[e.length-1].computedStyle}return t.computedStyle}connectToVirtualKeyboard(){this.connectedToVirtualKeyboard||(this.connectedToVirtualKeyboard=!0,window.addEventListener("message",this,{signal:this.eventController.signal}),window.mathVirtualKeyboard.connect(),window.mathVirtualKeyboard.visible&&window.mathVirtualKeyboard.update(yh(this)),Kh(this))}disconnectFromVirtualKeyboard(){this.connectedToVirtualKeyboard&&(window.removeEventListener("message",this),window.mathVirtualKeyboard.disconnect(),this.connectedToVirtualKeyboard=!1,Eh())}showMenu(e){var t,n;const i=null!=(n=null!=(t=null==e?void 0:e.location)?t:ts(this.field))?n:void 0,o=null==e?void 0:e.modifiers,r=this.element.querySelector("[part=container]");return this._menu.show({target:r,location:i,modifiers:o})}get colorMap(){return e=>{var t,n,i;return null!=(i=null==(n=(t=this.options).colorMap)?void 0:n.call(t,e))?i:C(e)}}get backgroundColorMap(){return e=>{var t,n,i,o,r,a;return null!=(a=null!=(r=null==(n=(t=this.options).backgroundColorMap)?void 0:n.call(t,e))?r:null==(o=(i=this.options).colorMap)?void 0:o.call(i,e))?a:E(e)}}get smartFence(){var e;return null!=(e=this.options.smartFence)&&e}get readOnly(){var e;return null!=(e=this.options.readOnly)&&e}get disabled(){var e,t;return null!=(t=null==(e=this.host)?void 0:e.disabled)&&t}get contentEditable(){return!!this.host&&"false"!==this.host.getAttribute("contenteditable")}get userSelect(){if(!this.host)return"";const e=getComputedStyle(this.host);return e.getPropertyValue("user-select")||e.getPropertyValue("-webkit-user-select")}get hasEditableContent(){return!(this.disabled||!this.contentEditable)&&(!this.readOnly||this.hasEditablePrompts)}get hasEditablePrompts(){return this.readOnly&&!this.disabled&&this.contentEditable&&void 0!==this.model.findAtom((e=>"prompt"===e.type&&!e.locked))}get isSelectionEditable(){if(this.disabled||!this.contentEditable)return!1;if(!this.readOnly)return!0;const e=this.model.at(this.model.anchor),t=this.model.at(this.model.position),n=za.commonAncestor(e,t);return!("prompt"!==(null==n?void 0:n.type)&&!(null==n?void 0:n.parentPrompt))}get letterShapeStyle(){var e;return null!=(e=this.options.letterShapeStyle)?e:"tex"}get minFontScale(){return this.options.minFontScale}get selectionStyle(){if(this.model.selectionIsCollapsed)return this.effectiveStyle;const e=this.model.getAtoms(this.model.selection);if(0===e.length)return{};const t=d({},e[0].style);for(const n of e)for(const[e,i]of Object.entries(n.style))t[e]!==i&&delete t[e];return t}queryStyle(e){const t=nh(this,e);"verbatimColor"in t&&delete t.verbatimColor,"verbatimBackgroundColor"in t&&delete t.verbatimBackgroundColor;const n=Object.keys(t).length;if(0===n)return"all";if(n>1){for(const e of Object.keys(t)){const n=this.queryStyle({[e]:t[e]});if("none"===n)return"none";if("some"===n)return"some"}return"all"}const i=Object.keys(t)[0],o=t[i];if(this.model.selectionIsCollapsed)return this.effectiveStyle[i]===o?"all":"none";const r=this.model.getAtoms(this.model.selection,{includeChildren:!0});let a=r.length;if(0===a)return"none";let s=0;for(const e of r)"first"!==e.type?e.style[i]===o&&(s+=1):a-=1;return 0===s?"none":s===a?"all":"some"}get keybindings(){var e,t;if(this._keybindings)return this._keybindings;const[n,i]=function(e,t){const n=[],i=[];for(const o of e)try{const e=oc(o,t);if(!e)continue;const n=i.find((t=>t.key===e.key&&t.ifMode===e.ifMode));if(n)throw new Error(`Ambiguous key binding ${o.key} (${rc(o.command)}) matches ${n.key} (${rc(n.command)}) with the ${t.displayName} keyboard layout`);i.push(e)}catch(e){e instanceof Error&&n.push(e.message)}return[i,n]}(this.options.keybindings,null!=(e=jl())?e:function(){switch(Hl()){case"apple":return Pl;case"windows":return Ol;case"linux":return ql}return Pl}());return(null==(t=jl())?void 0:t.score)>0&&(this._keybindings=n,i.length>0&&console.error("MathLive 0.98.5: Invalid keybindings for current keyboard layout",i)),n}get menu(){return this._menu}setOptions(e){var t;this.options=d(d({},this.options),dd(e)),this._keybindings=void 0,"inline-math"===this.options.defaultMode?this.element.classList.add("ML__is-inline"):this.element.classList.remove("ML__is-inline");let n=this.options.defaultMode;"inline-math"===n&&(n="math"),(null==(t=this.model.root.firstChild)?void 0:t.mode)!==n&&(this.model.root.firstChild.mode=n),this.options.readOnly&&this.hasFocus()&&window.mathVirtualKeyboard.visible&&this.executeCommand("hideVirtualKeyboard");const i=za.serialize([this.model.root],{expandMacro:!1,defaultMode:this.options.defaultMode});("macros"in e||this.model.getValue()!==i)&&Za.insert(this.model,i,{insertionMode:"replaceAll",selectionMode:"after",format:"latex",silenceNotifications:!0,mode:"math"}),("value"in e||"macros"in e||"registers"in e||"colorMap"in e||"backgroundColorMap"in e||"letterShapeStyle"in e||"minFontScale"in e||"readOnly"in e||"placeholderSymbol"in e)&&Lc(this)}getOptions(e){return hd(this.options,e)}getOption(e){return hd(this.options,e)}async handleEvent(e){var t;if(es(this))if($c(e)){if(!ss(e.origin,null!=(t=this.options.originValidator)?t:"none"))throw new DOMException(`Message from unknown origin (${e.origin}) cannot be handled`,"SecurityError");const{action:n}=e.data;if("execute-command"===n){const t=e.data.command;if("virtual-keyboard"===Tc(t))return;this.executeCommand(t)}else"update-state"===n||("focus"===n?this.focus({preventScroll:!0}):"blur"===n&&this.blur())}else switch(e.type){case"focus":this.onFocus();break;case"blur":this.onBlur();break;case"mousedown":"none"!==this.userSelect&&ch(this,e);break;case"pointerdown":"none"!==this.userSelect&&(ch(this,e),!1===e.shiftKey&&await Uh(e,this.element.querySelector("[part=container]"),this._menu)&&sh.stop());break;case"contextmenu":"none"!==this.userSelect&&!1===e.shiftKey&&await Uh(e,this.element.querySelector("[part=container]"),this._menu)&&sh.stop();break;case"virtual-keyboard-toggle":this.hasFocus()&&Kh(this);break;case"resize":case"scroll":this.geometryChangeTimer&&cancelAnimationFrame(this.geometryChangeTimer),this.geometryChangeTimer=requestAnimationFrame((()=>es(this)&&this.onGeometryChange()));break;case"wheel":this.onWheel(e);break;default:console.warn("Unexpected event type",e.type)}}dispose(){es(this)&&(v.unsubscribe(this._l10Subscription),this.keyboardDelegate.dispose(),this.keyboardDelegate=void 0,this.eventController.abort(),this.eventController=void 0,this.resizeObserver.disconnect(),window.mathVirtualKeyboard.removeEventListener("virtual-keyboard-toggle",this),this.disconnectFromVirtualKeyboard(),this.model.dispose(),delete this.element.mathfield,this.element=void 0,this.host=void 0,this.field=void 0,this.ariaLiveText=void 0,document.getElementById("mathlive-keystroke-caption-panel")&&(pc("mathlive-keystroke-caption-panel"),ms("core"),ms("keystroke-caption")),document.getElementById("mathlive-suggestion-popover")&&(pc("mathlive-suggestion-popover"),ms("suggestion-popover"),ms("core")),document.getElementById("mathlive-environment-popover")&&(pc("mathlive-environment-popover"),ms("environment-popover"),ms("core")))}flushInlineShortcutBuffer(e){if(null!=e||(e={defer:!1}),!e.defer)return this.inlineShortcutBuffer=[],clearTimeout(this.inlineShortcutBufferFlushTimer),void(this.inlineShortcutBufferFlushTimer=0);this.options.inlineShortcutTimeout>0&&(clearTimeout(this.inlineShortcutBufferFlushTimer),this.inlineShortcutBufferFlushTimer=setTimeout((()=>this.flushInlineShortcutBuffer()),this.options.inlineShortcutTimeout))}executeCommand(e){return"virtual-keyboard"===Tc(e)?(this.focus({preventScroll:!0}),window.mathVirtualKeyboard.executeCommand(e),requestAnimationFrame((()=>window.mathVirtualKeyboard.update(yh(this)))),!1):function(e,t){var n;if(!t)return!1;let i,o=[],r=!1,a=!1;m(t)?(i=t[0],o=t.slice(1)):i=t,i=i.replace(/-\w/g,(e=>e[1].toUpperCase()));const s=Ac[i],l=null==s?void 0:s.target;if("model"===l){if(!e.isSelectionEditable&&(null==s?void 0:s.changeContent))return e.model.announce("plonk"),!1;/^(delete|add)/.test(i)&&("deleteBackward"!==i&&e.flushInlineShortcutBuffer(),e.snapshot(i)),/^complete/.test(i)||lc(e),Ac[i].fn(e.model,...o),cc(e),a=!0,r=!0}else if("virtual-keyboard"===l)a=null!=(n=window.mathVirtualKeyboard.executeCommand(t))&&n,r=!0;else{if(!Ac[i])throw new Error(`Unknown command "${i}"`);if(!e.isSelectionEditable&&(null==s?void 0:s.changeContent))return e.model.announce("plonk"),!1;/^(undo|redo)/.test(i)&&e.flushInlineShortcutBuffer(),a=Ac[i].fn(e,...o),r=!0}return"virtual-keyboard"!==l&&(!e.model.selectionIsCollapsed||(null==s?void 0:s.changeSelection)&&"deleteBackward"!==t)&&(e.flushInlineShortcutBuffer(),(null==s?void 0:s.changeContent)||e.stopCoalescingUndo(),e.defaultStyle={}),a&&Lc(e),r}(this,e)}get errors(){return el(this.model.getValue(),{context:this.context})}getValue(e,t,n){return this.model.getValue(e,t,n)}setValue(e,t){var n;void 0===(t=null!=t?t:{mode:"math"}).insertionMode&&(t.insertionMode="replaceAll"),void 0!==t.format&&"auto"!==t.format||(t.format="latex"),void 0!==t.mode&&"auto"!==t.mode||(t.mode=null!=(n=function(e,t){const n=e.at(t);let i;if(n){i=n.mode;let e=n.parent;for(;!i&&e;)e&&(i=e.mode),e=e.parent}return i}(this.model,this.model.position))?n:"math");const i=this.undoManager.canUndo();Za.insert(this.model,e,t)&&(Lc(this),i||this.undoManager.reset(),this.undoManager.snapshot("set-value"))}get expression(){const e=window.MathfieldElement.computeEngine;return e?e.box(e.parse(this.model.getValue("latex-unstyled"))):(console.error("MathLive 0.98.5: no compute engine available. Make sure the Compute Engine library is loaded."),null)}scrollIntoView(){var e;if(!this.element)return;if(this.host)if(this.options.onScrollIntoView)this.options.onScrollIntoView(this);else if(this.host.scrollIntoView({block:"nearest",inline:"nearest"}),window.mathVirtualKeyboard.visible&&window.mathVirtualKeyboard.container===window.document.body){const t=window.mathVirtualKeyboard.boundingRect,n=this.host.getBoundingClientRect();n.bottom>t.top&&(null==(e=window.document.scrollingElement)||e.scrollBy(0,n.bottom-t.top+8))}this.dirty&&Ec(this,{interactive:!0});const t=this.field.getBoundingClientRect();let n=null;if(this.model.selectionIsCollapsed)n=ts(this.field);else{const e=as(this);if(e.length>0){let i=-1/0,o=-1/0;for(const t of e)t.right>i&&(i=t.right),t.top<o&&(o=t.top);n={x:i+t.left-this.field.scrollLeft,y:o+t.top-this.field.scrollTop,height:0}}}if(this.host&&n){const e=this.host.getBoundingClientRect(),t=n.y;let i=this.host.scrollTop;t<e.top?i=t-e.top+this.host.scrollTop:t>e.bottom&&(i=t-e.bottom+this.host.scrollTop+n.height),this.host.scroll({top:i,left:0})}if(n){const e=n.x-window.scrollX;let i=this.field.scrollLeft;e<t.left?i=e-t.left+this.field.scrollLeft-20:e>t.right&&(i=e-t.right+this.field.scrollLeft+20),this.field.scroll({top:this.field.scrollTop,left:i})}}insert(e,t){return!("string"!=typeof e||0===e.length&&("insertBefore"===(null==t?void 0:t.insertionMode)||"insertAfter"===(null==t?void 0:t.insertionMode))||0===e.length&&this.model.selectionIsCollapsed||(this.flushInlineShortcutBuffer(),(t=null!=t?t:{mode:"math"}).focus&&this.focus(),t.feedback&&(window.MathfieldElement.keypressVibration&&g()&&navigator.vibrate(3),window.MathfieldElement.playSound("keypress")),"\\\\"===e?kd(this.model):"&"===e?Md(this.model):this.model.selectionIsCollapsed?Za.insert(this.model,e,d({style:this.model.at(this.model.position).computedStyle},t)):Za.insert(this.model,e,t),this.snapshot(`insert-${this.model.at(this.model.position).type}`),Lc(this),t.scrollIntoView&&this.scrollIntoView(),0))}switchMode(e,t="",n=""){var i;if(this.model.mode===e||!this.hasEditableContent||!this.contentEditable||this.disabled)return;const o=this.model.mode;if(this.model.mode=e,!(null==(i=this.host)?void 0:i.dispatchEvent(new Event("mode-change",{bubbles:!0,composed:!0,cancelable:!0}))))return void(this.model.mode=o);const r=this.model.mode,{model:a}=this;a.deferNotifications({content:Boolean(n)||Boolean(t),selection:!0,type:"insertText"},(()=>{let i=!1;if(this.flushInlineShortcutBuffer(),this.stopCoalescingUndo(),t&&"latex"!==e){const n=Qs(t,{context:this.context,parseMode:e});a.collapseSelection("forward");const o=a.at(a.position);a.position=a.offsetOf(o.parent.addChildrenAfter(n,o)),i=!0}if(this.model.mode=e,"latex"===e){let e,n=a.selectionIsCollapsed;hc(this,"accept");let i=a.at(a.position);if(n)e="\\";else{const o=Oa(a.selection);e=this.model.getValue(o,"latex");const r=this.model.extractAtoms(o);1===r.length&&"placeholder"===r[0].type&&(e=t,n=!0),i=a.at(o[0])}const o=new hl(e);i.parent.addChildAfter(o,i),n?a.position=a.offsetOf(o.lastChild):a.setSelection(a.offsetOf(o.firstChild),a.offsetOf(o.lastChild))}else ac(a).forEach((e=>{e.isError=!1}));if(n){const e=Qs(n,{context:this.context,parseMode:r});a.collapseSelection("forward");const t=a.at(a.position);a.position=a.offsetOf(t.parent.addChildrenAfter(e,t)),i=!0}return Lc(this),this.undoManager.snapshot("latex"===e?"insert-latex":"insert"),i})),this.model.mode=e,window.mathVirtualKeyboard.update(yh(this))}hasFocus(){return!this.blurred}focus(e){var t;this.hasFocus()||(this.keyboardDelegate.focus(),this.connectToVirtualKeyboard(),this.onFocus(),this.model.announce("line")),null!=(t=null==e?void 0:e.preventScroll)&&t||this.scrollIntoView()}blur(){this.disconnectFromVirtualKeyboard(),this.hasFocus()&&this.keyboardDelegate.blur()}select(){this.model.selection={ranges:[[0,this.model.lastOffset]]},this.focus()}applyStyle(e,t={}){var n,i;const o={operation:"set",silenceNotifications:!1};Na(t)?o.range=t:("toggle"===t.operation&&(o.operation="toggle"),o.range=t.range,o.silenceNotifications=null!=(n=t.silenceNotifications)&&n);const r=nh(this,e),a=null!=(i=o.operation)?i:"set";if(void 0===o.range&&this.model.selectionIsCollapsed){if("set"===a)return void(this.defaultStyle=d(d({},this.defaultStyle),r));const e=d({},this.defaultStyle);for(const t of Object.keys(r))e[t]===r[t]?("color"===t&&delete e.verbatimColor,"backgroundColor"===t&&delete e.verbatimBackgroundColor,delete e[t]):e[t]=r[t];this.defaultStyle=e}else this.model.deferNotifications({content:!o.silenceNotifications,type:"insertText"},(()=>{if(void 0===o.range)for(const e of this.model.selection.ranges)fd(this.model,e,r,{operation:a});else fd(this.model,o.range,r,{operation:a})})),Lc(this)}toggleContextMenu(){var e;return!!this._menu.visible&&("open"===this._menu.state?(this._menu.hide(),!0):(this._menu.show({target:this.element.querySelector("[part=container]"),location:null!=(e=this.getCaretPoint())?e:void 0,onDismiss:()=>{var e;return null==(e=this.element)?void 0:e.focus()}}),!0))}getCaretPoint(){const e=ts(this.field);return e?{x:e.x,y:e.y}:null}setCaretPoint(e,t){const n=ph(this,e,t,{bias:0});if(n<0)return!1;const i=this.model.position;return this.model.position=n,this.model.announce("move",i),Lc(this),!0}getPrompt(e){const t=this.model.findAtom((t=>"prompt"===t.type&&t.placeholderId===e));return console.assert(void 0!==t,"MathLive 0.98.5: no prompts with matching ID found"),t}getPromptValue(e,t){const n=this.getPrompt(e);if(!n)return"";const i=this.model.offsetOf(n.firstChild),o=this.model.offsetOf(n.lastChild);return this.model.getValue(i,o,t)}getPrompts(e){return this.model.getAllAtoms().filter((t=>!("prompt"!==t.type||e&&(e.id&&t.placeholderId!==e.id||e.locked&&t.locked!==e.locked||"undefined"===e.correctness&&t.correctness||e.correctness&&t.correctness!==e.correctness)))).map((e=>e.placeholderId))}setPromptValue(e,t,n){if(void 0!==t){const i=this.getPrompt(e);if(!i)return void console.error(`MathLive 0.98.5: unknown prompt ${e}`);const o=this.model.getBranchRange(this.model.offsetOf(i),"body");this.model.setSelection(o),this.insert(t,h(d({},n),{insertionMode:"replaceSelection"}))}(null==n?void 0:n.silenceNotifications)&&(this.valueOnFocus=this.getValue()),Lc(this)}setPromptState(e,t,n){const i=this.getPrompt(e);i?("undefined"===t?i.correctness=void 0:"string"==typeof t&&(i.correctness=t),"boolean"==typeof n&&(i.locked=n,i.captureSelection=n),Lc(this)):console.error(`MathLive 0.98.5: unknown prompt ${e}`)}getPromptState(e){const t=this.getPrompt(e);return t?[t.correctness,t.locked]:(console.error(`MathLive 0.98.5: unknown prompt ${e}`),[void 0,!0])}getPromptRange(e){const t=this.getPrompt(e);return t?this.model.getBranchRange(this.model.offsetOf(t),"body"):(console.error(`MathLive 0.98.5: unknown prompt ${e}`),[0,0])}canUndo(){return this.undoManager.canUndo()}canRedo(){return this.undoManager.canRedo()}popUndoStack(){this.undoManager.pop()}snapshot(e){var t;this.undoManager.snapshot(e)&&(window.mathVirtualKeyboard.visible&&window.mathVirtualKeyboard.update(yh(this)),null==(t=this.host)||t.dispatchEvent(new CustomEvent("undo-state-change",{bubbles:!0,composed:!0,detail:{type:"snapshot"}})))}stopCoalescingUndo(){this.undoManager.stopCoalescing(this.model.selection)}stopRecording(){this.undoManager.stopRecording()}startRecording(){this.undoManager.startRecording()}undo(){var e;this.undoManager.undo()&&(window.mathVirtualKeyboard.visible&&window.mathVirtualKeyboard.update(yh(this)),null==(e=this.host)||e.dispatchEvent(new CustomEvent("undo-state-change",{bubbles:!0,composed:!0,detail:{type:"undo"}})))}redo(){var e;this.undoManager.redo()&&(window.mathVirtualKeyboard.visible&&window.mathVirtualKeyboard.update(yh(this)),null==(e=this.host)||e.dispatchEvent(new CustomEvent("undo-state-change",{bubbles:!0,composed:!0,detail:{type:"undo"}})))}resetUndo(){var e;null==(e=this.undoManager)||e.reset()}onSelectionDidChange(){var e,t;const n=this.model;this.keyboardDelegate.setValue(n.getValue(this.model.selection,"latex-expanded"));{const t=n.at(n.position),i=null!=(e=t.mode)?e:pd(this.options);this.model.mode!==i&&("latex"===this.model.mode?(hc(this,"accept",{mode:i}),n.position=n.offsetOf(t)):this.switchMode(i))}null==(t=this.host)||t.dispatchEvent(new Event("selection-change",{bubbles:!0,composed:!0})),window.mathVirtualKeyboard.visible&&window.mathVirtualKeyboard.update(yh(this)),Kh(this)}onContentWillChange(e){var t,n,i;return null==(i=null==(n=this.host)?void 0:n.dispatchEvent(new InputEvent("beforeinput",h(d({},e),{data:e.data?e.data:null!=(t=e.inputType)?t:"",cancelable:!0,bubbles:!0,composed:!0}))))||i}onFocus(){!this.focusBlurInProgress&&this.blurred&&(this.focusBlurInProgress=!0,this.blurred=!1,this.keyboardDelegate.focus(),this.stopCoalescingUndo(),Ec(this,{interactive:!0}),this.valueOnFocus=this.model.getValue(),this.hasEditablePrompts&&!this.model.at(this.model.anchor).parentPrompt&&this.executeCommand("moveToNextPlaceholder"),this.focusBlurInProgress=!1)}onBlur(){var e,t,n;if(this.focusBlurInProgress||this.blurred)return;this.focusBlurInProgress=!0,this.stopCoalescingUndo(),this.blurred=!0,this.ariaLiveText.textContent="",bc(this),this.model.getValue()!==this.valueOnFocus&&(null==(e=this.host)||e.dispatchEvent(new Event("change",{bubbles:!0,composed:!0}))),this.disconnectFromVirtualKeyboard(),null==(t=this.host)||t.dispatchEvent(new Event("blur",{bubbles:!1,composed:!0})),null==(n=this.host)||n.dispatchEvent(new UIEvent("focusout",{bubbles:!0,composed:!0})),Lc(this),this.focusBlurInProgress=!1,Eh();const i=new AbortController,o=i.signal;document.addEventListener("visibilitychange",(()=>{"hidden"===document.visibilityState&&document.addEventListener("visibilitychange",(()=>{es(this)&&"visible"===document.visibilityState&&this.focus({preventScroll:!0})}),{once:!0,signal:o})}),{once:!0,signal:o}),setTimeout((()=>i.abort()),100)}onInput(e){Gd(this,e)}onKeystroke(e){return Xd(this,e)}onCompositionStart(e){this.model.deleteAtoms(Oa(this.model.selection));const t=ts(this.field);t&&requestAnimationFrame((()=>{Ec(this),this.keyboardDelegate.moveTo(t.x,t.y-t.height)}))}onCompositionUpdate(e){!function(e,t){const n=e.at(e.position);if("composition"===n.type)n.value=t;else{const{caret:i}=n;n.caret=void 0;const o=new Rs(t,{mode:n.mode});o.caret=i,n.parent.addChildAfter(o,n),e.position+=1}}(this.model,e),Lc(this)}onCompositionEnd(e){!function(e){const t=e.at(e.position);"composition"===t.type&&(t.parent.removeChild(t),e.position-=1)}(this.model),Gd(this,e,{simulateKeystroke:!0})}onCut(e){this.isSelectionEditable?this.model.contentWillChange({inputType:"deleteByCut"})&&(this.stopCoalescingUndo(),Za.onCopy(this,e),Zu(this.model,Oa(this.model.selection),"deleteByCut"),this.snapshot("cut"),Lc(this)):this.model.announce("plonk")}onCopy(e){Za.onCopy(this,e)}onPaste(e){let t=this.isSelectionEditable;return t&&(t=Za.onPaste(this.model.at(this.model.position).mode,this,e.clipboardData)),t||this.model.announce("plonk"),e.preventDefault(),e.stopPropagation(),t}onGeometryChange(){this._menu.hide(),gc(this),Kh(this)}onWheel(e){const t=5*e.deltaX;if(!Number.isFinite(t)||0===t)return;const n=this.field;t<0&&0===n.scrollLeft||t>0&&n.offsetWidth+n.scrollLeft>=n.scrollWidth||(n.scrollBy({top:0,left:t}),e.preventDefault(),e.stopPropagation())}getHTMLElement(e){let t=e;for(;!t.id&&t.hasChildren;)t=e.children[0];return this.field.querySelector(`[data-atom-id="${t.id}"]`)}get context(){var e,t;return{registers:null!=(e=this.options.registers)?e:{},smartFence:this.smartFence,letterShapeStyle:this.letterShapeStyle,minFontScale:this.minFontScale,placeholderSymbol:null!=(t=this.options.placeholderSymbol)?t:"▢",colorMap:e=>this.colorMap(e),backgroundColorMap:e=>this.backgroundColorMap(e),getMacro:e=>se(e,this.options.macros),atomIdsSettings:{seed:"random",groupNumbers:!1}}}}(a.querySelector(":host > span"),h(d({},null!=(i=null==(n=np.get(this))?void 0:n.options)?i:sp(this)),{eventSink:this,value:c})),!np.has(this)){this.upgradeProperty("disabled"),this.upgradeProperty("readonly");for(const t of Object.keys(e.optionsAttributes))this.upgradeProperty(ap(t))}if(null==(o=this._mathfield)?void 0:o.model){if(np.has(this)){const e=this._mathfield,t=np.get(this),n=t.menuItems;e.model.deferNotifications({content:!1,selection:!1},(()=>{const n=t.value;void 0!==n&&e.setValue(n),e.model.selection=t.selection,np.delete(this)})),n&&(this.menuItems=n)}window.queueMicrotask((()=>{this.isConnected&&this.dispatchEvent(new Event("mount",{cancelable:!1,bubbles:!0,composed:!0}))})),Mc()}else this._mathfield=null}disconnectedCallback(){var t,n;if(this.shadowRoot.host.removeEventListener("pointerdown",this,!0),!this._mathfield)return;window.queueMicrotask((()=>this.dispatchEvent(new Event("unmount",{cancelable:!1,bubbles:!0,composed:!0}))));const i=hd(this._mathfield.options,Object.keys(e.optionsAttributes).map((e=>ap(e))));np.set(this,{value:this._mathfield.getValue(),selection:this._mathfield.model.selection,menuItems:null!=(n=null==(t=this._mathfield.menu)?void 0:t.menuItems)?n:void 0,options:i}),this._mathfield.dispose(),this._mathfield=null}upgradeProperty(e){if(this.hasOwnProperty(e)){const t=this[e];delete this[e],"readonly"!==e&&"read-only"!==e||(e="readOnly"),this[e]=t}}attributeChangedCallback(e,t,n){if(t===n)return;const i=null!==n;switch(e){case"contenteditable":Lc(this._mathfield);break;case"disabled":this.disabled=i;break;case"read-only":case"readonly":this.readOnly=i}}get readonly(){return this.hasAttribute("readonly")||this.hasAttribute("read-only")}set readonly(e){const t=Boolean(e);t?(this.setAttribute("readonly",""),lp()?this._internals.ariaReadOnly="true":this.setAttribute("aria-readonly","true"),this.setAttribute("aria-readonly","true")):(lp()?this._internals.ariaReadOnly="false":this.removeAttribute("aria-readonly"),this.removeAttribute("readonly"),this.removeAttribute("read-only")),this._setOptions({readOnly:t})}get disabled(){return this.hasAttribute("disabled")}set disabled(e){var t;const n=Boolean(e);n?this.setAttribute("disabled",""):this.removeAttribute("disabled"),lp()?this._internals.ariaDisabled=n?"true":"false":this.setAttribute("aria-disabled",n?"true":"false"),n&&(null==(t=this._mathfield)?void 0:t.hasFocus)&&window.mathVirtualKeyboard.visible&&this._mathfield.executeCommand("hideVirtualKeyboard")}get value(){return this.getValue()}set value(e){this.setValue(e)}get defaultMode(){return this._getOption("defaultMode")}set defaultMode(e){this._setOptions({defaultMode:e})}get macros(){return this._getOption("macros")}set macros(e){this._setOptions({macros:e})}get registers(){const e=this;return new Proxy({},{get:(t,n)=>{if("string"==typeof n)return e._getOption("registers")[n]},set(t,n,i){return"string"==typeof n&&(e._setOptions({registers:h(d({},e._getOption("registers")),{[n]:i})}),!0)}})}set registers(e){this._setOptions({registers:e})}get colorMap(){return this._getOption("colorMap")}set colorMap(e){this._setOptions({colorMap:e})}get backgroundColorMap(){return this._getOption("backgroundColorMap")}set backgroundColorMap(e){this._setOptions({backgroundColorMap:e})}get letterShapeStyle(){return this._getOption("letterShapeStyle")}set letterShapeStyle(e){this._setOptions({letterShapeStyle:e})}get minFontScale(){return this._getOption("minFontScale")}set minFontScale(e){this._setOptions({minFontScale:e})}get smartMode(){return this._getOption("smartMode")}set smartMode(e){this._setOptions({smartMode:e})}get smartFence(){return this._getOption("smartFence")}set smartFence(e){this._setOptions({smartFence:e})}get smartSuperscript(){return this._getOption("smartSuperscript")}set smartSuperscript(e){this._setOptions({smartSuperscript:e})}get scriptDepth(){return this._getOption("scriptDepth")}set scriptDepth(e){this._setOptions({scriptDepth:e})}get removeExtraneousParentheses(){return this._getOption("removeExtraneousParentheses")}set removeExtraneousParentheses(e){this._setOptions({removeExtraneousParentheses:e})}get mathModeSpace(){return this._getOption("mathModeSpace")}set mathModeSpace(e){this._setOptions({mathModeSpace:e})}get placeholderSymbol(){return this._getOption("placeholderSymbol")}set placeholderSymbol(e){this._setOptions({placeholderSymbol:e})}get popoverPolicy(){return this._getOption("popoverPolicy")}set popoverPolicy(e){this._setOptions({popoverPolicy:e})}get environmentPopoverPolicy(){return this._getOption("environmentPopoverPolicy")}set environmentPopoverPolicy(e){this._setOptions({environmentPopoverPolicy:e})}get menuItems(){var e,t,n;return this._mathfield?null!=(e=this._mathfield.menu._menuItems.map((e=>e.menuItem)))?e:[]:null!=(n=null==(t=np.get(this))?void 0:t.menuItems)?n:[]}set menuItems(e){var t;if(this._mathfield){const n=null==(t=this._mathfield.element)?void 0:t.querySelector("[part=menu-toggle]");n&&(n.style.display=0===e.length?"none":""),this._mathfield.menu.menuItems=e}np.has(this)?np.set(this,h(d({},np.get(this)),{menuItems:e})):np.set(this,{value:void 0,selection:{ranges:[[0,0]]},options:sp(this),menuItems:e})}get mathVirtualKeyboardPolicy(){return this._getOption("mathVirtualKeyboardPolicy")}set mathVirtualKeyboardPolicy(e){this._setOptions({mathVirtualKeyboardPolicy:e})}get inlineShortcuts(){return this._getOption("inlineShortcuts")}set inlineShortcuts(e){this._setOptions({inlineShortcuts:e})}get inlineShortcutTimeout(){return this._getOption("inlineShortcutTimeout")}set inlineShortcutTimeout(e){this._setOptions({inlineShortcutTimeout:e})}get keybindings(){return this._getOption("keybindings")}set keybindings(e){this._setOptions({keybindings:e})}get onInlineShortcut(){return this._getOption("onInlineShortcut")}set onInlineShortcut(e){this._setOptions({onInlineShortcut:e})}get onScrollIntoView(){return this._getOption("onScrollIntoView")}set onScrollIntoView(e){this._setOptions({onScrollIntoView:e})}get onExport(){return this._getOption("onExport")}set onExport(e){this._setOptions({onExport:e})}get readOnly(){return this._getOption("readOnly")}set readOnly(e){this._setOptions({readOnly:e})}get isSelectionEditable(){var e,t;return null!=(t=null==(e=this._mathfield)?void 0:e.isSelectionEditable)&&t}setPromptState(e,t,n){var i;null==(i=this._mathfield)||i.setPromptState(e,t,n)}getPromptState(e){var t,n;return null!=(n=null==(t=this._mathfield)?void 0:t.getPromptState(e))?n:[void 0,!0]}get virtualKeyboardTargetOrigin(){return this._getOption("virtualKeyboardTargetOrigin")}set virtualKeyboardTargetOrigin(e){this._setOptions({virtualKeyboardTargetOrigin:e})}get selection(){return this._mathfield?this._mathfield.model.selection:np.has(this)?np.get(this).selection:{ranges:[[0,0]],direction:"forward"}}set selection(e){if("number"==typeof e&&(e={ranges:[[e,e]]}),this._mathfield)return this._mathfield.model.selection=e,void Lc(this._mathfield);np.has(this)?np.set(this,h(d({},np.get(this)),{selection:e})):np.set(this,{value:void 0,selection:e,options:sp(this),menuItems:void 0})}get selectionIsCollapsed(){const e=this.selection;return 1===e.ranges.length&&e.ranges[0][0]===e.ranges[0][1]}get position(){return this._mathfield?this._mathfield.model.position:np.has(this)?np.get(this).selection.ranges[0][0]:0}set position(e){this._mathfield&&(this._mathfield.model.position=e,Lc(this._mathfield)),np.has(this)?np.set(this,h(d({},np.get(this)),{selection:{ranges:[[e,e]]}})):np.set(this,{value:void 0,selection:{ranges:[[e,e]]},options:sp(this),menuItems:void 0})}getOffsetDepth(e){var t,n;return this._mathfield?(null!=(n=null==(t=this._mathfield.model.at(e))?void 0:t.treeDepth)?n:2)-2:0}get lastOffset(){var e,t;return null!=(t=null==(e=this._mathfield)?void 0:e.model.lastOffset)?t:-1}};op.version="0.98.5",op._fontsDirectory="./fonts",op._soundsDirectory="./sounds",op.keypressVibration=!0,op._keypressSound={spacebar:"keypress-spacebar.wav",return:"keypress-return.wav",delete:"keypress-delete.wav",default:"keypress-standard.wav"},op._plonkSound="plonk.wav",op.audioBuffers={},op.createHTML=e=>e,op._speechEngineRate="100%",op._speechEngineVoice="Joanna",op._textToSpeechMarkup="",op._textToSpeechRules="mathlive",op._textToSpeechRulesOptions={},op.speakHook=function(e){var t,n;if(f())if(window.MathfieldElement.speechEngine&&"local"!==window.MathfieldElement.speechEngine)if("amazon"===window.MathfieldElement.speechEngine)if("AWS"in window){const i=new window.AWS.Polly({apiVersion:"2016-06-10"}),o={OutputFormat:"mp3",VoiceId:null!=(t=window.MathfieldElement.speechEngineVoice)?t:"Joanna",Engine:["Amy","Emma","Brian","Ivy","Joanna","Kendra","Kimberly","Salli","Joey","Justin","Matthew"].includes(null!=(n=window.MathfieldElement.speechEngineVoice)?n:"Joanna")?"neural":"standard",Text:e,TextType:"ssml"};i.synthesizeSpeech(o,((e,t)=>{if(e)console.trace(`MathLive 0.98.5: \`polly.synthesizeSpeech()\` error: ${e}`);else if(null==t?void 0:t.AudioStream){const e=new Uint8Array(t.AudioStream),n=new Blob([e.buffer],{type:"audio/mpeg"}),i=URL.createObjectURL(n);new Audio(i).play().catch((e=>console.log(e)))}else console.log("polly.synthesizeSpeech():",t)}))}else console.error("MathLive 0.98.5: AWS SDK not loaded. See https://www.npmjs.com/package/aws-sdk");else"google"===window.MathfieldElement.speechEngine&&console.error("MathLive 0.98.5: The Google speech engine is not supported yet. Please come again.");else{const t=new SpeechSynthesisUtterance(e);window.speechSynthesis.speak(t)}else console.log("Speak:",e)},op.readAloudHook=function(e,t){var n;if(!f())return;if("amazon"!==window.MathfieldElement.speechEngine)return console.error("MathLive 0.98.5: Use Amazon TTS Engine for synchronized highlighting"),void("function"==typeof window.MathfieldElement.speakHook&&window.MathfieldElement.speakHook(t));if(!window.AWS)return void console.error("MathLive 0.98.5: AWS SDK not loaded. See https://www.npmjs.com/package/aws-sdk");const i=new window.AWS.Polly({apiVersion:"2016-06-10"}),o={OutputFormat:"json",VoiceId:null!=(n=window.MathfieldElement.speechEngineVoice)?n:"Joanna",Engine:"standard",Text:t,TextType:"ssml",SpeechMarkTypes:["ssml"]};pp().readAloudElement=e,i.synthesizeSpeech(o,((e,n)=>{if(e)return void console.trace(`MathLive 0.98.5: \`polly.synthesizeSpeech()\` error: ${e}`);if(!(null==n?void 0:n.AudioStream))return void console.log("polly.synthesizeSpeech():",n);const r=new TextDecoder("utf-8").decode(new Uint8Array(n.AudioStream));pp().readAloudMarks=r.split("\n").map((e=>e?JSON.parse(e):{})),pp().readAloudTokens=[];for(const e of pp().readAloudMarks)e.value&&pp().readAloudTokens.push(e.value);pp().readAloudCurrentMark="",o.OutputFormat="mp3",o.SpeechMarkTypes=[],i.synthesizeSpeech(o,((e,n)=>{if(e)return void console.trace(`MathLive 0.98.5: \`polly.synthesizeSpeech("${t}") error:${e}`);if(!(null==n?void 0:n.AudioStream))return;const i=new Uint8Array(n.AudioStream),o=new Blob([i.buffer],{type:"audio/mpeg"}),r=URL.createObjectURL(o),a=pp();a.readAloudAudio?a.readAloudAudio.pause():(a.readAloudAudio=new Audio,a.readAloudAudio.addEventListener("ended",(()=>{const e=a.readAloudMathfield;a.readAloudStatus="ended",document.body.dispatchEvent(new Event("read-aloud-status-change",{bubbles:!0,composed:!0})),e?(Ec(e),a.readAloudElement=null,a.readAloudMathfield=null,a.readAloudTokens=[],a.readAloudMarks=[],a.readAloudCurrentMark=""):ep(a.readAloudElement)})),a.readAloudAudio.addEventListener("timeupdate",(()=>{let e="";const t=1e3*a.readAloudAudio.currentTime+100;for(const n of a.readAloudMarks)n.time<t&&(e=n.value);a.readAloudCurrentMark!==e&&(a.readAloudCurrentToken=e,e&&e===a.readAloudFinalToken?a.readAloudAudio.pause():(a.readAloudCurrentMark=e,tp(a.readAloudElement,a.readAloudCurrentMark)))}))),a.readAloudAudio.src=r,a.readAloudStatus="playing",document.body.dispatchEvent(new Event("read-aloud-status-change",{bubbles:!0,composed:!0})),a.readAloudAudio.play()}))}))},op._decimalSeparator=".",op.fractionNavigationOrder="numerator-denominator",op._isFunction=e=>{var t,n;const i=window.MathfieldElement.computeEngine;return null!=(n=null==(t=null==i?void 0:i.parse(e).domain)?void 0:t.isFunction)&&n};var rp=op;function ap(e){return e.replace(/[^a-zA-Z\d]+(.)/g,((e,t)=>t.toUpperCase()))}function sp(e){const t={readOnly:!1},n=rp.optionsAttributes;return Object.keys(n).forEach((i=>{if(e.hasAttribute(i)){const o=e.getAttribute(i);"placeholder"===i?t.contentPlaceholder=null!=o?o:"":"boolean"===n[i]?t[ap(i)]=!0:"on/off"===n[i]?t[ap(i)]="on"===o||"off"!==o&&void 0:"number"===n[i]?t[ap(i)]=Number.parseFloat(null!=o?o:"0"):t[ap(i)]=o}})),t}function lp(){return!(!("ElementInternals"in window)||!HTMLElement.prototype.attachInternals)&&"role"in window.ElementInternals.prototype}var cp,dp,hp,up=rp;if(f()&&!(null==(cp=window.customElements)?void 0:cp.get("math-field"))){null!=window[dp=Symbol.for("io.cortexjs.mathlive")]||(window[dp]={});window[Symbol.for("io.cortexjs.mathlive")].version="0.98.5",window.MathfieldElement=rp,null==(hp=window.customElements)||hp.define("math-field",rp)}function pp(){var e;return null!=globalThis[e=Symbol.for("io.cortexjs.mathlive")]||(globalThis[e]={}),globalThis[Symbol.for("io.cortexjs.mathlive")]}Dc({switchKeyboardLayer:function(e,t){const n=ld.singleton;return!!n&&(n.show(),Fc(),n.currentLayer=t,n.render(),n.focus(),!0)},toggleVirtualKeyboard:function(){const e=window.mathVirtualKeyboard;return e.visible?e.hide({animate:!0}):e.show({animate:!0}),!1},hideVirtualKeyboard:()=>(window.mathVirtualKeyboard.hide({animate:!0}),!1),showVirtualKeyboard:()=>(window.mathVirtualKeyboard.show({animate:!0}),!1)},{target:"virtual-keyboard"})}}]); |
