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Fs(o,l){return o.left<l.right&&o.right>l.left&&o.top<l.bottom&&o.bottom>l.top}function xl(o){var l=o.pageBorderBox,c=o.draggable,f=o.candidates,g=c.page.borderBox.center,b=f.map(function(S){var E=S.axis,N=To(S.axis.line,l.center[E.line],S.page.borderBox.center[E.crossAxisLine]);return{id:S.descriptor.id,distance:Jo(g,N)}}).sort(function(S,E){return E.distance-S.distance});return b[0]?b[0].id:null}function vo(o){var l=o.pageBorderBox,c=o.draggable,f=o.droppables,g=Qi(f).filter(function(b){if(!b.isEnabled)return!1;var S=b.subject.active;if(!S||!Fs(l,S))return!1;if(qi(S)(l.center))return!0;var E=b.axis,N=S.center[E.crossAxisLine],Z=l[E.crossAxisStart],L=l[E.crossAxisEnd],$=wt(S[E.crossAxisStart],S[E.crossAxisEnd]),F=$(Z),q=$(L);return!F&&!q?!0:F?Z<N:L>N});return g.length?g.length===1?g[0].descriptor.id:xl({pageBorderBox:l,draggable:c,candidates:g}):null}var zs=function(l,c){return wn(As(l,c))},cl=function(o,l){var c=o.frame;return c?zs(l,c.scroll.diff.value):l};function wl(o){var l=o.displaced,c=o.id;return!!(l.visible[c]||l.invisible[c])}function Sl(o){var l=o.draggable,c=o.closest,f=o.inHomeList;return c?f&&c.descriptor.index>l.descriptor.index?c.descriptor.index-1:c.descriptor.index:null}var _l=function(o){var l=o.pageBorderBoxWithDroppableScroll,c=o.draggable,f=o.destination,g=o.insideDestination,b=o.last,S=o.viewport,E=o.afterCritical,N=f.axis,Z=mo(f.axis,c.displaceBy),L=Z.value,$=l[N.start],F=l[N.end],q=D(c,g),he=Vi(q,function(ht){var vt=ht.descriptor.id,zt=ht.page.borderBox.center[N.line],ir=bn(vt,E),dr=wl({displaced:b,id:vt});return ir?dr?F<=zt:$<zt-L:dr?F<=zt+L:$<zt}),it=Sl({draggable:c,closest:he,inHomeList:ae(c,f)});return tn({draggable:c,insideDestination:g,destination:f,viewport:S,last:b,displacedBy:Z,index:it})},Ks=4,Vo=function(o){var l=o.draggable,c=o.pageBorderBoxWithDroppableScroll,f=o.previousImpact,g=o.destination,b=o.insideDestination,S=o.afterCritical;if(!g.isCombineEnabled)return null;var E=g.axis,N=mo(g.axis,l.displaceBy),Z=N.value,L=c[E.start],$=c[E.end],F=D(l,b),q=Vi(F,function(it){var ht=it.descriptor.id,vt=it.page.borderBox,zt=vt[E.size],ir=zt/Ks,dr=bn(ht,S),Wr=wl({displaced:f.displaced,id:ht});return dr?Wr?$>vt[E.start]+ir&&$<vt[E.end]-ir:L>vt[E.start]-Z+ir&&L<vt[E.end]-Z-ir:Wr?$>vt[E.start]+Z+ir&&$<vt[E.end]+Z-ir:L>vt[E.start]+ir&&L<vt[E.end]-ir});if(!q)return null;var he={displacedBy:N,displaced:f.displaced,at:{type:"COMBINE",combine:{draggableId:q.descriptor.id,droppableId:g.descriptor.id}}};return he},jl=function(o){var l=o.pageOffset,c=o.draggable,f=o.draggables,g=o.droppables,b=o.previousImpact,S=o.viewport,E=o.afterCritical,N=zs(c.page.borderBox,l),Z=vo({pageBorderBox:N,draggable:c,droppables:g});if(!Z)return at;var L=g[Z],$=eo(L.descriptor.id,f),F=cl(L,N);return Vo({pageBorderBoxWithDroppableScroll:F,draggable:c,previousImpact:b,destination:L,insideDestination:$,afterCritical:E})||_l({pageBorderBoxWithDroppableScroll:F,draggable:c,destination:L,insideDestination:$,last:b.displaced,viewport:S,afterCritical:E})},el=function(o,l){var c;return(0,ce.Z)({},o,(c={},c[l.descriptor.id]=l,c))},Gl=function(l){var c=l.previousImpact,f=l.impact,g=l.droppables,b=to(c),S=to(f);if(!b||b===S)return g;var E=g[b];if(!E.subject.withPlaceholder)return g;var N=Qs(E);return el(g,N)},ul=function(o){var l=o.draggable,c=o.draggables,f=o.droppables,g=o.previousImpact,b=o.impact,S=Gl({previousImpact:g,impact:b,droppables:f}),E=to(b);if(!E)return S;var N=f[E];if(ae(l,N)||N.subject.withPlaceholder)return S;var Z=br(N,l,c);return el(S,Z)},Is=function(o){var l=o.state,c=o.clientSelection,f=o.dimensions,g=o.viewport,b=o.impact,S=o.scrollJumpRequest,E=g||l.viewport,N=f||l.dimensions,Z=c||l.current.client.selection,L=ti(Z,l.initial.client.selection),$={offset:L,selection:Z,borderBoxCenter:Bn(l.initial.client.borderBoxCenter,L)},F={selection:Bn($.selection,E.scroll.current),borderBoxCenter:Bn($.borderBoxCenter,E.scroll.current),offset:Bn($.offset,E.scroll.diff.value)},q={client:$,page:F};if(l.phase==="COLLECTING")return(0,ce.Z)({phase:"COLLECTING"},l,{dimensions:N,viewport:E,current:q});var he=N.draggables[l.critical.draggable.id],it=b||jl({pageOffset:F.offset,draggable:he,draggables:N.draggables,droppables:N.droppables,previousImpact:l.impact,viewport:E,afterCritical:l.afterCritical}),ht=ul({draggable:he,impact:it,previousImpact:l.impact,draggables:N.draggables,droppables:N.droppables}),vt=(0,ce.Z)({},l,{current:q,dimensions:{draggables:N.draggables,droppables:ht},impact:it,viewport:E,scrollJumpRequest:S||null,forceShouldAnimate:S?!1:null});return vt};function ql(o,l){return o.map(function(c){return l[c]})}var Hs=function(o){var l=o.impact,c=o.viewport,f=o.draggables,g=o.destination,b=o.forceShouldAnimate,S=l.displaced,E=ql(S.all,f),N=Xr({afterDragging:E,destination:g,displacedBy:l.displacedBy,viewport:c.frame,forceShouldAnimate:b,last:S});return(0,ce.Z)({},l,{displaced:N})},Xl=function(o){var l=o.impact,c=o.draggable,f=o.droppable,g=o.draggables,b=o.viewport,S=o.afterCritical,E=ki({impact:l,draggable:c,draggables:g,droppable:f,afterCritical:S});return Xs({pageBorderBoxCenter:E,draggable:c,viewport:b})},Ml=function(o){var l=o.state,c=o.dimensions,f=o.viewport;l.movementMode!=="SNAP"&&He(!1);var g=l.impact,b=f||l.viewport,S=c||l.dimensions,E=S.draggables,N=S.droppables,Z=E[l.critical.draggable.id],L=to(g);L||He(!1);var $=N[L],F=Hs({impact:g,viewport:b,destination:$,draggables:E}),q=Xl({impact:F,draggable:Z,droppable:$,draggables:E,viewport:b,afterCritical:l.afterCritical});return Is({impact:F,clientSelection:q,state:l,dimensions:S,viewport:b})},Ws=function(o){return{index:o.index,droppableId:o.droppableId}},dl=function(o){var l=o.draggable,c=o.home,f=o.draggables,g=o.viewport,b=mo(c.axis,l.displaceBy),S=eo(c.descriptor.id,f),E=S.indexOf(l);E===-1&&He(!1);var N=S.slice(E+1),Z=N.reduce(function(q,he){return q[he.descriptor.id]=!0,q},{}),L={inVirtualList:c.descriptor.mode==="virtual",displacedBy:b,effected:Z},$=Xr({afterDragging:N,destination:c,displacedBy:b,last:null,viewport:g.frame,forceShouldAnimate:!1}),F={displaced:$,displacedBy:b,at:{type:"REORDER",destination:Ws(l.descriptor)}};return{impact:F,afterCritical:L}},rc=function(o,l){return{draggables:o.draggables,droppables:el(o.droppables,l)}},tl=function(l){},_=function(l){},B=function(o){var l=o.draggable,c=o.offset,f=o.initialWindowScroll,g=cr(l.client,c),b=Ha(g,f),S=(0,ce.Z)({},l,{placeholder:(0,ce.Z)({},l.placeholder,{client:g}),client:g,page:b});return S},P=function(o){var l=o.frame;return l||He(!1),l},j=function(o){var l=o.additions,c=o.updatedDroppables,f=o.viewport,g=f.scroll.diff.value;return l.map(function(b){var S=b.descriptor.droppableId,E=c[S],N=P(E),Z=N.scroll.diff.value,L=Bn(g,Z),$=B({draggable:b,offset:L,initialWindowScroll:f.scroll.initial});return $})},se=function(o){var l=o.state,c=o.published;tl();var f=c.modified.map(function(ir){var dr=l.dimensions.droppables[ir.droppableId],Wr=li(dr,ir.scroll);return Wr}),g=(0,ce.Z)({},l.dimensions.droppables,{},Bo(f)),b=ho(j({additions:c.additions,updatedDroppables:g,viewport:l.viewport})),S=(0,ce.Z)({},l.dimensions.draggables,{},b);c.removals.forEach(function(ir){delete S[ir]});var E={droppables:g,draggables:S},N=to(l.impact),Z=N?E.droppables[N]:null,L=E.draggables[l.critical.draggable.id],$=E.droppables[l.critical.droppable.id],F=dl({draggable:L,home:$,draggables:S,viewport:l.viewport}),q=F.impact,he=F.afterCritical,it=Z&&Z.isCombineEnabled?l.impact:q,ht=jl({pageOffset:l.current.page.offset,draggable:E.draggables[l.critical.draggable.id],draggables:E.draggables,droppables:E.droppables,previousImpact:it,viewport:l.viewport,afterCritical:he});_();var vt=(0,ce.Z)({phase:"DRAGGING"},l,{phase:"DRAGGING",impact:ht,onLiftImpact:q,dimensions:E,afterCritical:he,forceShouldAnimate:!1});if(l.phase==="COLLECTING")return vt;var zt=(0,ce.Z)({phase:"DROP_PENDING"},vt,{phase:"DROP_PENDING",reason:l.reason,isWaiting:!1});return zt},Ce=function(l){return l.movementMode==="SNAP"},ve=function(l,c,f){var g=rc(l.dimensions,c);return!Ce(l)||f?Is({state:l,dimensions:g}):Ml({state:l,dimensions:g})};function $e(o){return o.isDragging&&o.movementMode==="SNAP"?(0,ce.Z)({phase:"DRAGGING"},o,{scrollJumpRequest:null}):o}var ut={phase:"IDLE",completed:null,shouldFlush:!1},rt=function(o,l){if(o===void 0&&(o=ut),l.type==="FLUSH")return(0,ce.Z)({},ut,{shouldFlush:!0});if(l.type==="INITIAL_PUBLISH"){o.phase!=="IDLE"&&He(!1);var c=l.payload,f=c.critical,g=c.clientSelection,b=c.viewport,S=c.dimensions,E=c.movementMode,N=S.draggables[f.draggable.id],Z=S.droppables[f.droppable.id],L={selection:g,borderBoxCenter:N.client.borderBox.center,offset:ka},$={client:L,page:{selection:Bn(L.selection,b.scroll.initial),borderBoxCenter:Bn(L.selection,b.scroll.initial),offset:Bn(L.selection,b.scroll.diff.value)}},F=Qi(S.droppables).every(function(Su){return!Su.isFixedOnPage}),q=dl({draggable:N,home:Z,draggables:S.draggables,viewport:b}),he=q.impact,it=q.afterCritical,ht={phase:"DRAGGING",isDragging:!0,critical:f,movementMode:E,dimensions:S,initial:$,current:$,isWindowScrollAllowed:F,impact:he,afterCritical:it,onLiftImpact:he,viewport:b,scrollJumpRequest:null,forceShouldAnimate:null};return ht}if(l.type==="COLLECTION_STARTING"){if(o.phase==="COLLECTING"||o.phase==="DROP_PENDING")return o;o.phase!=="DRAGGING"&&He(!1);var vt=(0,ce.Z)({phase:"COLLECTING"},o,{phase:"COLLECTING"});return vt}if(l.type==="PUBLISH_WHILE_DRAGGING")return o.phase==="COLLECTING"||o.phase==="DROP_PENDING"||He(!1),se({state:o,published:l.payload});if(l.type==="MOVE"){if(o.phase==="DROP_PENDING")return o;gi(o)||He(!1);var zt=l.payload.client;return fo(zt,o.current.client.selection)?o:Is({state:o,clientSelection:zt,impact:Ce(o)?o.impact:null})}if(l.type==="UPDATE_DROPPABLE_SCROLL"){if(o.phase==="DROP_PENDING"||o.phase==="COLLECTING")return $e(o);gi(o)||He(!1);var ir=l.payload,dr=ir.id,Wr=ir.newScroll,hr=o.dimensions.droppables[dr];if(!hr)return o;var yn=li(hr,Wr);return ve(o,yn,!1)}if(l.type==="UPDATE_DROPPABLE_IS_ENABLED"){if(o.phase==="DROP_PENDING")return o;gi(o)||He(!1);var Hi=l.payload,xn=Hi.id,Ma=Hi.isEnabled,rs=o.dimensions.droppables[xn];rs||He(!1),rs.isEnabled===Ma&&He(!1);var Ao=(0,ce.Z)({},rs,{isEnabled:Ma});return ve(o,Ao,!0)}if(l.type==="UPDATE_DROPPABLE_IS_COMBINE_ENABLED"){if(o.phase==="DROP_PENDING")return o;gi(o)||He(!1);var Us=l.payload,gl=Us.id,nl=Us.isCombineEnabled,al=o.dimensions.droppables[gl];al||He(!1),al.isCombineEnabled===nl&&He(!1);var hs=(0,ce.Z)({},al,{isCombineEnabled:nl});return ve(o,hs,!0)}if(l.type==="MOVE_BY_WINDOW_SCROLL"){if(o.phase==="DROP_PENDING"||o.phase==="DROP_ANIMATING")return o;gi(o)||He(!1),o.isWindowScrollAllowed||He(!1);var uc=l.payload.newScroll;if(fo(o.viewport.scroll.current,uc))return $e(o);var Kl=Wa(o.viewport,uc);return Ce(o)?Ml({state:o,viewport:Kl}):Is({state:o,viewport:Kl})}if(l.type==="UPDATE_VIEWPORT_MAX_SCROLL"){if(!gi(o))return o;var Ql=l.payload.maxScroll;if(fo(Ql,o.viewport.scroll.max))return o;var Al=(0,ce.Z)({},o.viewport,{scroll:(0,ce.Z)({},o.viewport.scroll,{max:Ql})});return(0,ce.Z)({phase:"DRAGGING"},o,{viewport:Al})}if(l.type==="MOVE_UP"||l.type==="MOVE_DOWN"||l.type==="MOVE_LEFT"||l.type==="MOVE_RIGHT"){if(o.phase==="COLLECTING"||o.phase==="DROP_PENDING")return o;o.phase!=="DRAGGING"&&He(!1);var Hl=ll({state:o,type:l.type});return Hl?Is({state:o,impact:Hl.impact,clientSelection:Hl.clientSelection,scrollJumpRequest:Hl.scrollJumpRequest}):o}if(l.type==="DROP_PENDING"){var Es=l.payload.reason;o.phase!=="COLLECTING"&&He(!1);var js=(0,ce.Z)({phase:"DROP_PENDING"},o,{phase:"DROP_PENDING",isWaiting:!0,reason:Es});return js}if(l.type==="DROP_ANIMATE"){var xu=l.payload,Dl=xu.completed,Ic=xu.dropDuration,Gc=xu.newHomeClientOffset;o.phase==="DRAGGING"||o.phase==="DROP_PENDING"||He(!1);var Fc={phase:"DROP_ANIMATING",completed:Dl,dropDuration:Ic,newHomeClientOffset:Gc,dimensions:o.dimensions};return Fc}if(l.type==="DROP_COMPLETE"){var wu=l.payload.completed;return{phase:"IDLE",completed:wu,shouldFlush:!1}}return o},Pt=function(l){return{type:"BEFORE_INITIAL_CAPTURE",payload:l}},dt=function(l){return{type:"LIFT",payload:l}},tr=function(l){return{type:"INITIAL_PUBLISH",payload:l}},qt=function(l){return{type:"PUBLISH_WHILE_DRAGGING",payload:l}},Zt=function(){return{type:"COLLECTION_STARTING",payload:null}},fn=function(l){return{type:"UPDATE_DROPPABLE_SCROLL",payload:l}},zr=function(l){return{type:"UPDATE_DROPPABLE_IS_ENABLED",payload:l}},Sn=function(l){return{type:"UPDATE_DROPPABLE_IS_COMBINE_ENABLED",payload:l}},Zr=function(l){return{type:"MOVE",payload:l}},Mr=function(l){return{type:"MOVE_BY_WINDOW_SCROLL",payload:l}},Yt=function(l){return{type:"UPDATE_VIEWPORT_MAX_SCROLL",payload:l}},ba=function(){return{type:"MOVE_UP",payload:null}},ia=function(){return{type:"MOVE_DOWN",payload:null}},ya=function(){return{type:"MOVE_RIGHT",payload:null}},Va=function(){return{type:"MOVE_LEFT",payload:null}},on=function(){return{type:"FLUSH",payload:null}},hn=function(l){return{type:"DROP_ANIMATE",payload:l}},Nr=function(l){return{type:"DROP_COMPLETE",payload:l}},Aa=function(l){return{type:"DROP",payload:l}},Ga=function(l){return{type:"DROP_PENDING",payload:l}},Xn=function(){return{type:"DROP_ANIMATION_FINISHED",payload:null}};function sn(o){if(!(o.length<=1)){for(var l=o.map(function(E){return E.descriptor.index}),c={},f=1;f<l.length;f++){var g=l[f],b=l[f-1];g!==b+1&&(c[g]=!0)}if(Object.keys(c).length)var S=l.map(function(E){var N=!!c[E];return N?"[\u{1F525}"+E+"]":""+E}).join(", ")}}function On(o,l){if(0)var c}var Vr=function(o){return function(l){var c=l.getState,f=l.dispatch;return function(g){return function(b){if(b.type!=="LIFT"){g(b);return}var S=b.payload,E=S.id,N=S.clientSelection,Z=S.movementMode,L=c();L.phase==="DROP_ANIMATING"&&f(Nr({completed:L.completed})),c().phase!=="IDLE"&&He(!1),f(on()),f(Pt({draggableId:E,movementMode:Z}));var $={shouldPublishImmediately:Z==="SNAP"},F={draggableId:E,scrollOptions:$},q=o.startPublishing(F),he=q.critical,it=q.dimensions,ht=q.viewport;On(he,it),f(tr({critical:he,dimensions:it,clientSelection:N,movementMode:Z,viewport:ht}))}}}},Ai=function(o){return function(){return function(l){return function(c){c.type==="INITIAL_PUBLISH"&&o.dragging(),c.type==="DROP_ANIMATE"&&o.dropping(c.payload.completed.result.reason),(c.type==="FLUSH"||c.type==="DROP_COMPLETE")&&o.resting(),l(c)}}}},Fn={outOfTheWay:"cubic-bezier(0.2, 0, 0, 1)",drop:"cubic-bezier(.2,1,.1,1)"},oa={opacity:{drop:0,combining:.7},scale:{drop:.75}},Co={outOfTheWay:.2,minDropTime:.33,maxDropTime:.55},qa=Co.outOfTheWay+"s "+Fn.outOfTheWay,ci={fluid:"opacity "+qa,snap:"transform "+qa+", opacity "+qa,drop:function(l){var c=l+"s "+Fn.drop;return"transform "+c+", opacity "+c},outOfTheWay:"transform "+qa,placeholder:"height "+qa+", width "+qa+", margin "+qa},Po=function(l){return fo(l,ka)?null:"translate("+l.x+"px, "+l.y+"px)"},m={moveTo:Po,drop:function(l,c){var f=Po(l);return f?c?f+" scale("+oa.scale.drop+")":f:null}},M=Co.minDropTime,A=Co.maxDropTime,R=A-M,K=1500,ie=.6,oe=function(o){var l=o.current,c=o.destination,f=o.reason,g=Jo(l,c);if(g<=0)return M;if(g>=K)return A;var b=g/K,S=M+R*b,E=f==="CANCEL"?S*ie:S;return 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t=this.atomIdsSettings.seed.toString(36);return this.atomIdsSettings.seed+=1,t}scale(t){return t*this.effectiveFontSize}get scalingFactor(){return this.parent?this.effectiveFontSize/this.parent.effectiveFontSize:1}get isDisplayStyle(){return this.mathstyle.id===Jl||this.mathstyle.id===Ol}get isCramped(){return this.mathstyle.cramped}get isTight(){return this.mathstyle.isTight}get metrics(){return this.mathstyle.metrics}get effectiveFontSize(){return Math.max(za[Math.max(1,this.size+this.mathstyle.sizeDelta)],this.minFontScale)}getRegister(t){var r;if((r=this.registers)!=null&&r[t])return this.registers[t];if(this.parent)return this.parent.getRegister(t)}getRegisterAsNumber(t){const r=this.getRegister(t);if(typeof r=="number")return r;if(typeof r=="string")return Number(r)}getRegisterAsGlue(t){var r;if((r=this.registers)!=null&&r[t]){const n=this.registers[t];return typeof n=="object"&&"glue"in n?n:typeof n=="object"&&"dimension"in n?{glue:{dimension:n.dimension}}:typeof n=="number"?{glue:{dimension:n}}:void 0}if(this.parent)return this.parent.getRegisterAsGlue(t)}getRegisterAsEm(t,r){return Rc(this.getRegisterAsDimension(t),r)}getRegisterAsDimension(t){var r;if((r=this.registers)!=null&&r[t]){const n=this.registers[t];return typeof n=="object"&&"glue"in n?n.glue:typeof n=="object"&&"dimension"in n?n:typeof n=="number"?{dimension:n}:void 0}if(this.parent)return this.parent.getRegisterAsDimension(t)}setRegister(t,r){if(r===void 0){delete this.registers[t];return}this.registers[t]=r}evaluate(t){if(!t||!("register"in t))return t;let r=this;if("global"in t&&t.global)for(;r.parent;)r=r.parent;let n=1;"factor"in t&&t.factor!==1&&t.factor!==void 0&&(n=t.factor);const a=r.getRegister(t.register);if(a===void 0)return;if(typeof a=="string")return{string:Number(a).toString()+a};if(typeof a=="number")return{number:n*a};const i=r.evaluate(a);if(i!==void 0)return"string"in i?{string:Number(a).toString()+i.string}:"number"in i?{number:n*i.number}:"dimension"in i?p(C({},i),{dimension:n*i.dimension}):"glue"in i?p(C({},i),{glue:p(C({},i.glue),{dimension:n*i.glue.dimension}),shrink:i.shrink?p(C({},i.shrink),{dimension:n*i.shrink.dimension}):void 0,grow:i.grow?p(C({},i.grow),{dimension:n*i.grow.dimension}):void 0}):t}toDimension(t){const r=this.evaluate(t);return r===void 0?null:"dimension"in r?r:"glue"in r?r.glue:"number"in r?{dimension:r.number}:null}toEm(t,r){if(t===null)return 0;const n=this.toDimension(t);return n===null?0:_c(n,r)/Ji}toNumber(t){if(t===null)return null;const r=this.evaluate(t);return r===void 0?null:"number"in r?r.number:"dimension"in r?r.dimension:"glue"in r?r.glue.dimension:"string"in r?Number(r.string):null}toColor(t){var r,n;if(t===null)return null;const a=this.evaluate(t);return a===void 0?null:"string"in a?(n=(r=this.colorMap)==null?void 0:r.call(this,a.string))!=null?n:a.string:null}toBackgroundColor(t){var r,n;if(t===null)return null;const a=this.evaluate(t);return a===void 0?null:"string"in a?(n=(r=this.backgroundColorMap)==null?void 0:r.call(this,a.string))!=null?n:a.string:null}},El=["body","above","below","superscript","subscript"];function vl(e){return typeof e=="string"&&El.includes(e)}function Ec(e){return e!==void 0&&Array.isArray(e)&&e.length===2}var De=class Pc{constructor(t){var r,n,a,i,s,u;this.type=t.type,typeof t.value=="string"&&(this.value=t.value),this.command=(n=(r=t.command)!=null?r:this.value)!=null?n:"",this.mode=(a=t.mode)!=null?a:"math",t.isFunction&&(this.isFunction=!0),t.limits&&(this.subsupPlacement=t.limits),this.style=C({},t.style),this.displayContainsHighlight=(i=t.displayContainsHighlight)!=null?i:!1,this.captureSelection=(s=t.captureSelection)!=null?s:!1,this.skipBoundary=(u=t.skipBoundary)!=null?u:!1,t.verbatimLatex!==void 0&&t.verbatimLatex!==null&&(this.verbatimLatex=t.verbatimLatex),t.args&&(this.args=t.args),t.body&&(this.body=t.body),this._changeCounter=0}static createBox(t,r,n){var a;if(!r)return null;const i=Mf(r),s=[];for(const d of i){const h=d[0].style,v=Cf(t,d,{style:{color:h.color,backgroundColor:h.backgroundColor,fontSize:h.fontSize}});v&&s.push(v)}if(s.length===0)return null;const u=((a=n==null?void 0:n.classes)!=null?a:"").trim();return s.length===1&&!u&&!(n!=null&&n.type)?s[0].wrap(t):new Je(s,{classes:u,type:n==null?void 0:n.type}).wrap(t)}static serialize(t,r){return ao.serialize(t,r)}static commonAncestor(t,r){if(t===r||t.parent===r.parent)return t.parent;const n=new WeakSet;let{parent:a}=t;for(;a;)n.add(a),a=a.parent;for(a=r.parent;a;){if(n.has(a))return a;a=a.parent}console.assert(!!a)}static fromJson(t){return typeof t=="string"?new Pc({type:"mord",value:t,mode:"math"}):new Pc(t)}get latexMode(){return this.mode==="math"?"math":"text"}toJson(){const t={};if(this.type&&(t.type=this.type),this.mode!=="math"&&(t.mode=this.mode),this.command&&this.command!==this.value&&(t.command=this.command),this.value!==void 0&&(t.value=this.value),this.style&&Object.keys(this.style).length>0&&(t.style=C({},this.style)),this.verbatimLatex!==void 0&&(t.verbatimLatex=this.verbatimLatex),this.subsupPlacement&&(t.subsupPlacement=this.subsupPlacement),this.explicitSubsupPlacement&&(t.explicitSubsupPlacement=!0),this.isFunction&&(t.isFunction=!0),this.displayContainsHighlight&&(t.displayContainsHighlight=!0),this.isExtensibleSymbol&&(t.isExtensibleSymbol=!0),this.skipBoundary&&(t.skipBoundary=!0),this.captureSelection&&(t.captureSelection=!0),this.args&&(t.args=Ef(this.args)),this._branches)for(const r of Object.keys(this._branches))this._branches[r]&&(t[r]=this._branches[r].filter(n=>n.type!=="first").map(n=>n.toJson()));return t.type==="mord"&&Object.keys(t).length===2&&"value"in t?t.value:t}get changeCounter(){return this.parent?this.parent.changeCounter:this._changeCounter}set isDirty(t){if(t){this.parent||this._changeCounter++,"verbatimLatex"in this&&(this.verbatimLatex=void 0),this._children=void 0;let{parent:r}=this;for(;r;)r.parent||r._changeCounter++,"verbatimLatex"in r&&(r.verbatimLatex=void 0),r._children=void 0,r=r.parent}}_serialize(t){if(!(t.expandMacro||t.skipStyles||t.skipPlaceholders)&&typeof this.verbatimLatex=="string")return this.verbatimLatex;const r=un(this.command,this.mode);return r!=null&&r.serialize?r.serialize(this,t):this.body&&this.command?Xt([Er(this.command,this.bodyToLatex(t)),this.supsubToLatex(t)]):this.body?Xt([this.bodyToLatex(t),this.supsubToLatex(t)]):!this.value||this.value==="\u200B"?"":this.command}bodyToLatex(t){var r;return ao.serialize(this.body,p(C({},t),{defaultMode:(r=t.defaultMode)!=null?r:this.latexMode}))}aboveToLatex(t){return ao.serialize(this.above,t)}belowToLatex(t){return ao.serialize(this.below,t)}supsubToLatex(t){let r="";if(t=p(C({},t),{defaultMode:"math"}),this.branch("subscript")!==void 0){const n=ao.serialize(this.subscript,t);n.length===0?r+="_{}":n.length===1?/^[0-9]$/.test(n)?r+=`_${n}`:r+=`_{${n}}`:r+=`_{${n}}`}if(this.branch("superscript")!==void 0){const n=ao.serialize(this.superscript,t);n.length===0?r+="^{}":n.length===1?n==="\u2032"?r+="^\\prime ":n==="\u2033"?r+="^\\doubleprime ":/^[0-9]$/.test(n)?r+=`^${n}`:r+=`^{${n}}`:r+=`^{${n}}`}return r}get treeDepth(){let t=1,r=this.parent;for(;r;)r=r.parent,t+=1;return t}get inCaptureSelection(){let t=this;for(;t;){if(t.captureSelection)return!0;t=t.parent}return!1}get parentPrompt(){let t=this.parent;for(;t;){if(t.type==="prompt"&&!t.captureSelection)return t;t=t.parent}return null}branch(t){if(vl(t)&&this._branches)return this._branches[t]}get branches(){if(!this._branches)return[];const t=[];for(const r of El)this._branches[r]&&t.push(r);return t}createBranch(t){return console.assert(vl(t)),vl(t)?(this._branches?this._branches[t]||(this._branches[t]=[this.makeFirstAtom(t)]):this._branches={[t]:[this.makeFirstAtom(t)]},this.isDirty=!0,this._branches[t]):[]}get row(){return Ec(this.parentBranch)?this.parentBranch[0]:-1}get col(){return Ec(this.parentBranch)?this.parentBranch[1]:-1}get body(){var t;return(t=this._branches)==null?void 0:t.body}set body(t){this.setChildren(t,"body")}get superscript(){var t;return(t=this._branches)==null?void 0:t.superscript}set superscript(t){this.setChildren(t,"superscript")}get subscript(){var t;return(t=this._branches)==null?void 0:t.subscript}set subscript(t){this.setChildren(t,"subscript")}get above(){var t;return(t=this._branches)==null?void 0:t.above}set above(t){this.setChildren(t,"above")}get below(){var t;return(t=this._branches)==null?void 0:t.below}set below(t){this.setChildren(t,"below")}get computedStyle(){var t,r;const n=typeof this.style.verbatimColor=="string",a=typeof this.style.verbatimBackgroundColor=="string",i=C(C({},(r=(t=this.parent)==null?void 0:t.computedStyle)!=null?r:{}),this.style);return delete i.variant,delete i.variantStyle,a||delete i.verbatimBackgroundColor,n||delete i.verbatimColor,i}applyStyle(t){this.isDirty=!0,this.style=C(C({},this.style),t),this.style.fontFamily==="none"&&delete this.style.fontFamily,this.style.fontShape==="auto"&&delete this.style.fontShape,this.style.fontSeries==="auto"&&delete this.style.fontSeries,this.style.color==="none"&&(delete this.style.color,delete this.style.verbatimColor),this.style.backgroundColor==="none"&&(delete this.style.backgroundColor,delete this.style.verbatimBackgroundColor),this.style.fontSize==="auto"&&delete this.style.fontSize;for(const r of this.children)r.applyStyle(t)}getInitialBaseElement(){var t,r,n;return this.hasEmptyBranch("body")?this:(console.assert(((t=this.body)==null?void 0:t[0].type)==="first"),(n=(r=this.body[1])==null?void 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r.parent=this,r.parentBranch=t,r}addChild(t,r){console.assert(t.type!=="first"),this.createBranch(r).push(t),this.isDirty=!0,t.parent=this,t.parentBranch=r}addChildBefore(t,r){console.assert(r.parentBranch!==void 0);const n=this.createBranch(r.parentBranch);n.splice(n.indexOf(r),0,t),this.isDirty=!0,t.parent=this,t.parentBranch=r.parentBranch}addChildAfter(t,r){console.assert(r.parentBranch!==void 0);const n=this.createBranch(r.parentBranch);n.splice(n.indexOf(r)+1,0,t),this.isDirty=!0,t.parent=this,t.parentBranch=r.parentBranch}addChildren(t,r){const n=this.createBranch(r);for(const a of t)a.parent=this,a.parentBranch=r,n.push(a);this.isDirty=!0}addChildrenAfter(t,r){console.assert(t.length===0||t[0].type!=="first"),console.assert(r.parentBranch!==void 0);const n=this.createBranch(r.parentBranch);n.splice(n.indexOf(r)+1,0,...t),this.isDirty=!0;for(const a of t)a.parent=this,a.parentBranch=r.parentBranch;return t[t.length-1]}removeBranch(t){const r=this.branch(t);if(vl(t)&&(this._branches[t]=void 0),!r)return[];for(const n of r)n.parent=void 0,n.parentBranch=void 0;return console.assert(r[0].type==="first"),r.shift(),this.isDirty=!0,r}removeChild(t){if(console.assert(t.parent===this),t.type==="first")return;const r=this.branch(t.parentBranch),n=r.indexOf(t);console.assert(n>=0),r.splice(n,1),this.isDirty=!0,t.parent=void 0,t.parentBranch=void 0}get siblings(){return this.parent?this.parent.branch(this.parentBranch):[]}get firstSibling(){return this.siblings[0]}get lastSibling(){const{siblings:t}=this;return t[t.length-1]}get isFirstSibling(){return this===this.firstSibling}get isLastSibling(){return this===this.lastSibling}get hasNoSiblings(){return this.siblings.length===1}get leftSibling(){console.assert(this.parent!==void 0);const t=this.parent.branch(this.parentBranch);return t[t.indexOf(this)-1]}get rightSibling(){console.assert(this.parent!==void 0);const t=this.parent.branch(this.parentBranch);return t[t.indexOf(this)+1]}get hasChildren(){return!!(this._branches&&this.children.length>0)}get firstChild(){return console.assert(this.hasChildren),this.children[0]}get lastChild(){console.assert(this.hasChildren);const{children:t}=this;return t[t.length-1]}get children(){if(this._children)return this._children;if(!this._branches)return[];const t=[];for(const r of El)if(this._branches[r])for(const n of this._branches[r])t.push(...n.children),t.push(n);return this._children=t,t}render(t){if(this.type==="first"&&!t.atomIdsSettings)return null;const r=un(this.command,this.mode);if(r!=null&&r.render)return r.render(this,t);const n=new yr({parent:t},this.style);let a=this.createBox(n,{classes:this.parent?"":"ML__base"});return a?(!this.subsupPlacement&&(this.superscript||this.subscript)&&(a=this.attachSupsub(n,{base:a})),a.wrap(n)):null}attachSupsub(t,r){var n;const a=r.base,i=this.superscript,s=this.subscript;if(!i&&!s)return a;let u=null,d=null;const h=(n=r.isCharacterBox)!=null?n:this.isCharacterBox();let v=0;if(i){const ye=new yr({parent:t,mathstyle:"superscript"});u=Pc.createBox(ye,i),h||(v=a.height-t.metrics.supDrop*ye.scalingFactor)}let k=0;if(s){const ye=new yr({parent:t,mathstyle:"subscript"});d=Pc.createBox(ye,s),h||(k=a.depth+t.metrics.subDrop*ye.scalingFactor)}let I;t.isDisplayStyle?I=t.metrics.sup1:t.isCramped?I=t.metrics.sup3:I=t.metrics.sup2;const z=.5/Ji/t.scalingFactor;let W=null;if(d&&u){v=Math.max(v,I,u.depth+.25*t.metrics.xHeight),k=Math.max(k,t.metrics.sub2);const ye=t.metrics.defaultRuleThickness;if(v-u.depth-(d.height-k)<4*ye){k=4*ye-(v-u.depth)+d.height;const pe=.8*t.metrics.xHeight-(v-u.depth);pe>0&&(v+=pe,k-=pe)}const lt=this.isExtensibleSymbol&&a.italic?-a.italic:0;W=new _a({individualShift:[{box:d,shift:k,marginLeft:lt},{box:u,shift:-v}]}).wrap(t)}else d&&!u?(k=Math.max(k,t.metrics.sub1,d.height-.8*Rn),W=new _a({shift:k,children:[{box:d,marginRight:z,marginLeft:this.isCharacterBox()?-a.italic:0}]})):!d&&u&&(v=Math.max(v,I,u.depth+.25*Rn),W=new _a({shift:-v,children:[{box:u,marginRight:z}]}));return new Je([a,new Je(W,{caret:this.caret,isSelected:this.isSelected,classes:"msubsup"})],{type:r.type})}attachLimits(t,r){const n=this.superscript?Pc.createBox(new yr({parent:t,mathstyle:"superscript"},this.style),this.superscript):null,a=this.subscript?Pc.createBox(new yr({parent:t,mathstyle:"subscript"},this.style),this.subscript):null;return!n&&!a?r.base.wrap(t):Vs(t,p(C({},r),{above:n,below:a}))}bind(t,r){if(!r||t.isPhantom||this.value==="\u200B")return r;let n=this.parent;for(;n&&!n.captureSelection;)n=n.parent;return n!=null&&n.captureSelection||(this.id||(this.id=t.makeID()),r.atomID=this.id),r}createBox(t,r){var n,a,i,s;const u=(n=this.value)!=null?n:this.body,d=(a=r==null?void 0:r.boxType)!=null?a:Ss(this.type);let h=(i=r==null?void 0:r.classes)!=null?i:"";this.mode==="text"&&(h+=" 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t;const r=[];let n=[];for(const a of e)if(!t&&!a.style)n.push(a);else{const i=a.computedStyle;t&&i.color===t.color&&i.backgroundColor===t.backgroundColor&&i.fontSize===t.fontSize?n.push(a):(n.length>0&&r.push(n),n=[a],t=i)}return n.length>0&&r.push(n),r}function Cf(e,t,r){var n,a,i,s,u;if(!t||t.length===0)return null;const d=new yr({parent:e},r.style),h=!((n=d.atomIdsSettings)!=null&&n.groupNumbers);let v=[];if(t.length===1){const I=t[0],z=I.render(d);z&&(h&&I.isSelected&&z.selected(!0),v=[z])}else{let I="",z=!0;for(const W of t){(a=d.atomIdsSettings)!=null&&a.groupNumbers&&I&&(z&&W.isDigit()||!z&&uu(W))&&(d.atomIdsSettings.overrideID=I);const ye=W.render(d);d.atomIdsSettings&&(d.atomIdsSettings.overrideID=void 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  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}
.ML__container {
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  flex-flow: row;
  justify-content: space-between;
  align-items: flex-end;
  min-height: 39px;
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  width: 100%;
  /* Encourage browsers to consider allocating a hardware accelerated
   layer for this element. */
  isolation: isolate;
  /* Prevent the browser from trying to interpret touch gestures in the field */
  /* "Disabling double-tap to zoom removes the need for browsers to
        delay the generation of click events when the user taps the screen." */
  touch-action: none;
  --_caret-color: var(--caret-color, hsl(var(--_hue), 40%, 49%));
  --_selection-color: var(--selection-color, #000);
  --_selection-background-color: var(--selection-background-color, hsl(var(--_hue), 70%, 85%));
  --_text-highlight-background-color: var(--highlight-text, hsla(var(--_hue), 40%, 50%, 0.1));
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  --_smart-fence-color: var(--smart-fence-color, currentColor);
  --_smart-fence-opacity: var(--smart-fence-opacity, 0.5);
  --_latex-color: var(--latex-color, hsl(var(--_hue), 80%, 40%));
  --_correct-color: var(--correct-color, #10a000);
  --_incorrect-color: var(--incorrect-color, #a01b00);
  --_composition-background-color: var(--composition-background-color, #fff1c2);
  --_composition-text-color: var(--composition-text-color, black);
  --_composition-underline-color: var(--composition-underline-color, transparent);
}
/* This is the actual field content (formula) */
.ML__content {
  display: flex;
  align-items: center;
  align-self: center;
  position: relative;
  overflow: hidden;
  padding: 2px 3px 2px 1px;
  width: 100%;
}
.ML__virtual-keyboard-toggle,
.ML__menu-toggle {
  box-sizing: border-box;
  display: flex;
  align-self: center;
  align-items: center;
  flex-shrink: 0;
  flex-direction: column;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  margin-right: 4px;
  cursor: pointer;
  /* Avoid some weird blinking with :hover */
  border-radius: 8px;
  border: 1px solid transparent;
  transition: background 0.2s cubic-bezier(0.64, 0.09, 0.08, 1);
  color: hsl(var(--_hue), 40%, 50%);
  fill: currentColor;
  background: transparent;
}
.ML__virtual-keyboard-toggle:hover,
.ML__menu-toggle:hover {
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  color: #333;
  fill: currentColor;
}
.ML__virtual-keyboard-toggle > span,
.ML__menu-toggle > span {
  display: flex;
  align-self: center;
  align-items: center;
}
/* The invisible element used to capture keyboard events. We're just trying
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.ML__keyboard-sink {
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  resize: none;
  outline: none;
  border: none;
  /* Need these for Microsoft Edge */
  position: fixed;
  clip: rect(0 0 0 0);
  /* Need this to prevent iOS Safari from auto-zooming */
  font-size: 1em;
  font-family: KaTeX_Main;
  line-height: 0.5;
  /* On Chromium, if this is 0, no keyboard events are received */
}
[part="placeholder"] {
  color: var(--neutral-400);
}
.ML__composition {
  background: var(--_composition-background-color);
  color: var(--_composition-text-color);
  text-decoration: underline var(--_composition-underline-color);
}
.ML__caret::after {
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  visibility: hidden;
  width: 0;
  display: inline-block;
  height: 0.76em;
  --_caret-width: clamp(2px, 0.08em, 10px);
  border: none;
  border-radius: calc(var(--_caret-width) / 2);
  border-right: var(--_caret-width) solid var(--_caret-color);
  margin-right: calc(-1 * var(--_caret-width));
  position: relative;
  left: -0.045em;
  bottom: -0.05em;
  animation: ML__caret-blink 1.05s step-end forwards infinite;
}
.ML__text-caret::after {
  content: '';
  visibility: hidden;
  width: 0;
  display: inline-block;
  height: 0.76em;
  --_caret-width: clamp(2px, 0.08em, 10px);
  border: none;
  border-radius: calc(var(--_caret-width) / 2);
  border-right: var(--_caret-width) solid var(--_caret-color);
  margin-right: calc(-1 * var(--_caret-width));
  position: relative;
  left: -0.045em;
  bottom: -0.05em;
  animation: ML__caret-blink 1.05s step-end forwards infinite;
}
.ML__latex-caret::after {
  content: '';
  visibility: hidden;
  --_caret-width: clamp(2px, 0.08em, 10px);
  border: none;
  border-radius: calc(var(--_caret-width) / 2);
  border-right: var(--_caret-width) solid var(--_latex-color);
  margin-right: calc(-1 * var(--_caret-width));
  position: relative;
  left: -0.019em;
  animation: ML__caret-blink 1.05s step-end forwards infinite;
}
.ML__focused .ML__latex-caret::after,
.ML__focused .ML__text-caret::after,
.ML__focused .ML__caret::after {
  visibility: visible;
}
.ML__focused .ML__text {
  background: var(--_text-highlight-background-color);
}
/* When using smartFence, the anticipated closing fence is displayed
with this style */
.ML__smart-fence__close {
  opacity: var(--_smart-fence-opacity);
  color: var(--_smart-fence-color);
}
.ML__selected,
.ML__focused .ML__selected .ML__contains-caret,
.ML__focused .ML__selected .ML__smart-fence__close,
.ML__focused .ML__selected .ML__placeholder {
  color: var(--_selection-color);
  opacity: 1;
}
.ML__selection {
  box-sizing: border-box;
  background: var(--_selection-background-color) !important;
}
.ML__contains-caret.ML__close,
.ML__contains-caret.ML__open,
.ML__contains-caret > .ML__close,
.ML__contains-caret > .ML__open,
.ML__contains-caret .ML__sqrt-sign,
.ML__contains-caret .ML__sqrt-line {
  color: var(--_caret-color);
}
.ML__contains-highlight {
  box-sizing: border-box;
  background: transparent;
}
.ML__focused .ML__contains-highlight {
  background: var(--_contains-highlight-background-color);
}
.ML__raw-latex {
  font-family: 'Berkeley Mono', 'IBM Plex Mono', 'Source Code Pro', Consolas, 'Roboto Mono', Menlo, 'Bitstream Vera Sans Mono', 'DejaVu Sans Mono', Monaco, Courier, monospace;
  font-weight: 400;
  font-size: 0.8em;
  letter-spacing: -0.05em;
  color: var(--_latex-color);
}
.ML__suggestion {
  color: var(--neutral-500);
}
.ML__virtual-keyboard-toggle.is-visible.is-pressed:hover {
  background: hsl(var(--_hue), 25%, 35%);
  color: #fafafa;
  fill: currentColor;
}
.ML__virtual-keyboard-toggle:focus {
  outline: none;
  border-radius: 8px;
  border: 2px solid hsl(var(--_hue), 40%, 50%);
}
.ML__virtual-keyboard-toggle.is-pressed,
.ML__virtual-keyboard-toggle.is-active:hover,
.ML__virtual-keyboard-toggle.is-active {
  background: hsl(var(--_hue), 25%, 35%);
  color: #fafafa;
  fill: currentColor;
}
/* Add an attribute 'data-tooltip' to automatically show a
   tooltip over a element on hover.
*/
[data-tooltip] {
  position: relative;
}
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  display: block;
  z-index: 2;
  pointer-events: none;
  right: auto;
  top: calc(-100% - 4px);
  width: max-content;
  max-width: 200px;
  padding: 8px 8px;
  border-radius: 4px;
  background: #616161;
  color: #fff;
  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);
  text-align: center;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: 13px;
  /* Phone */
  opacity: 0;
  transform: scale(0.5);
}
@media only screen and (max-width: 767px) {
  [data-tooltip]::after {
    padding: 8px 16px;
    font-size: 16px;
  }
}
menu [data-tooltip]::after {
  left: 100%;
  top: 0%;
}
menu .ML__base {
  cursor: default;
}
/** Don't display if we're tracking, i.e. have the pointer down */
.tracking [data-tooltip]:hover::after {
  /* Use visibility, not display. Display will remove the after from the DOM, and the override below will not work */
  visibility: hidden;
}
/** But do display if tracking and inside a menu */
.tracking menu li[data-tooltip]:hover::after,
[data-tooltip]:hover::after {
  visibility: visible;
  opacity: 1;
  transform: scale(1);
  transition-property: opacity, scale;
  transition-duration: 0.15s;
  transition-delay: 1s;
  transition-timing-function: cubic-bezier(0.4, 0, 1, 1);
}
.ML__prompt {
  border-radius: 2px;
}
.ML__editablePromptBox {
  outline: 1px solid #acacac;
  border-radius: 2px;
  z-index: -1;
}
.ML__focusedPromptBox {
  outline: highlight auto 1px;
}
.ML__lockedPromptBox {
  background-color: rgba(142, 142, 141, 0.4);
  z-index: -1;
}
.ML__correctPromptBox {
  outline: 1px solid var(--_correct-color);
  box-shadow: 0 0 5px var(--_correct-color);
}
.ML__incorrectPromptBox {
  outline: 1px solid var(--_incorrect-color);
  box-shadow: 0 0 5px var(--_incorrect-color);
}
.variant-submenu {
  display: flex;
  flex-direction: column;
  padding: 8px;
}
.variant-submenu [part=menu-item] {
  font-size: 2rem;
  text-align: center;
  margin: 0;
}
.insert-matrix-submenu {
  display: grid;
  padding: 8px;
  align-content: center;
  justify-content: center;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}
.insert-matrix-submenu [part=menu-item] {
  font-size: 21px;
  border: none;
  border-radius: 0;
  line-height: 21px;
  text-align: center;
  padding: 0;
  margin: 0;
}
.border-submenu [part=menu-item] {
  font-size: 2rem;
  line-height: 1.2;
  text-align: center;
}
.swatches-submenu {
  --_swatch-size: 2rem;
  --_columns: 4;
  display: flex;
  flex-flow: wrap;
  padding: 8px;
  max-width: calc(var(--_columns) * (var(--_swatch-size) + 18px) + 16px);
  box-sizing: border-box;
}
.menu-swatch {
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: fit-content;
  height: fit-content;
  margin: 2px;
  padding: 0;
  background: var(--neutral-200);
}
.menu-swatch > .label {
  padding: 0;
  margin: 0;
  line-height: 0;
}
.menu-swatch > .label > span {
  display: inline-block;
  margin: 6px;
  min-width: var(--_swatch-size);
  min-height: var(--_swatch-size);
  border-radius: 50%;
}
.menu-swatch.active {
  background: var(--neutral-100);
  scale: 1.4;
}
.menu-swatch.active > .label > span {
  border-radius: 2px;
}
.menu-swatch .ui-checkmark,
.menu-swatch .ui-mixedmark {
  position: absolute;
  margin: 0;
  padding: 0;
  color: white;
}
.menu-swatch.dark-contrast .ui-checkmark,
.menu-swatch.dark-contrast .ui-mixedmark {
  color: #000;
}
`,fu=`.ML__container {
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  --_placeholder-color: var(--placeholder-color, hsl(var(--_hue), 40%, 49%));
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  --_text-font-family: var(--text-font-family, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif);
}
.ML__sr-only {
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  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.ML__is-inline {
  display: inline-block;
}
.ML__base {
  visibility: inherit;
  display: inline-block;
  position: relative;
  cursor: text;
  padding: 0;
  margin: 0;
  box-sizing: content-box;
  border: 0;
  outline: 0;
  vertical-align: baseline;
  font-weight: inherit;
  font-family: inherit;
  font-style: inherit;
  text-decoration: none;
  width: min-content;
}
.ML__strut,
.ML__strut--bottom {
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  min-height: 0.5em;
}
.ML__small-delim {
  font-family: KaTeX_Main;
}
/* Text mode */
.ML__text {
  font-family: var(--_text-font-family);
  white-space: pre;
}
/* Use cmr for 'math upright' */
.ML__cmr {
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/* Lowercase greek symbols should stick to math font when \\mathbf is applied 
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}
.ML__mathbfit {
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.ML__ams {
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/* Blackboard */
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.ML__cal {
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.ML__frak {
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.ML__tt {
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.ML__script {
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.ML__series_ul {
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.ML__series_el {
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.ML__series_l {
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.ML__series_sl {
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.ML__series_sb {
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.ML__bold,
.ML__boldsymbol {
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.ML__series_eb {
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.ML__series_ub {
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.ML__series_uc {
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}
.ML__series_ec {
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}
.ML__series_c {
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}
.ML__series_sc {
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.ML__series_sx {
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}
.ML__series_x {
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}
.ML__series_ex {
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.ML__series_ux {
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.ML__it {
  font-style: italic;
}
.ML__shape_ol {
  -webkit-text-stroke: 1px black;
  text-stroke: 1px black;
  color: transparent;
}
.ML__shape_sc {
  font-variant: small-caps;
}
.ML__shape_sl {
  font-style: oblique;
}
/* First level emphasis */
.ML__emph {
  color: #bc2612;
}
/* Second level emphasis */
.ML__emph .ML__emph {
  color: #0c7f99;
}
.ML__highlight {
  color: #007cb2;
  background: #edd1b0;
}
.ML__center {
  text-align: center;
}
.ML__label_padding {
  padding: 0 0.5em;
}
.ML__frac-line {
  width: 100%;
  min-height: 1px;
}
.ML__frac-line:after {
  content: '';
  display: block;
  margin-top: max(-1px, -0.04em);
  min-height: max(1px, 0.04em);
  /* Ensure the line is visible when printing even if "turn off background images" is on*/
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
  /* There's a bug since Chrome 62 where 
      sub-pixel border lines don't draw at some zoom 
      levels (110%, 90%). 
      Setting the min-height used to work around it, but that workaround
      broke in Chrome 84 or so.
      Setting the background (and the min-height) seems to work for now.
      */
  background: currentColor;
  box-sizing: content-box;
  /* Vuetify sets the box-sizing to inherit 
            causes the fraction line to not draw at all sizes (see #26) */
  /* On some versions of Firefox on Windows, the line fails to 
            draw at some zoom levels, but setting the transform triggers
            the hardware accelerated path, which works */
  transform: translate(0, 0);
}
.ML__sqrt {
  display: inline-block;
}
.ML__sqrt-sign {
  display: inline-block;
  position: relative;
}
.ML__sqrt-line {
  display: inline-block;
  height: max(1px, 0.04em);
  width: 100%;
}
.ML__sqrt-line:before {
  content: '';
  display: block;
  margin-top: min(-1px, -0.04em);
  min-height: max(1px, 0.04em);
  /* Ensure the line is visible when printing even if "turn off background images" is on*/
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
  background: currentColor;
  /* On some versions of Firefox on Windows, the line fails to 
            draw at some zoom levels, but setting the transform triggers
            the hardware accelerated path, which works */
  transform: translate(0, 0);
}
.ML__sqrt-line:after {
  border-bottom-width: 1px;
  content: ' ';
  display: block;
  margin-top: -0.1em;
}
.ML__sqrt-index {
  margin-left: 0.27777778em;
  margin-right: -0.55555556em;
}
.ML__delim-size1 {
  font-family: KaTeX_Size1;
}
.ML__delim-size2 {
  font-family: KaTeX_Size2;
}
.ML__delim-size3 {
  font-family: KaTeX_Size3;
}
.ML__delim-size4 {
  font-family: KaTeX_Size4;
}
.ML__delim-mult .delim-size1 > span {
  font-family: KaTeX_Size1;
}
.ML__delim-mult .delim-size4 > span {
  font-family: KaTeX_Size4;
}
.ML__accent-body > span {
  font-family: KaTeX_Main;
  width: 0;
}
.ML__accent-vec {
  position: relative;
  left: 0.24em;
}
/** The markup for a LaTeX formula, either in an editable mathfield or 
    in a static display.
*/
.ML__latex {
  display: inline-block;
  direction: ltr;
  text-align: left;
  text-indent: 0;
  text-rendering: auto;
  font-family: KaTeX_Main, 'Times New Roman', serif;
  font-style: normal;
  font-size-adjust: none;
  font-stretch: normal;
  font-variant-caps: normal;
  letter-spacing: normal;
  line-height: 1.2;
  word-wrap: normal;
  word-spacing: normal;
  white-space: nowrap;
  text-shadow: none;
  -webkit-user-select: none;
  user-select: none;
  width: min-content;
}
.ML__latex .style-wrap {
  position: relative;
}
.ML__latex .mfrac {
  display: inline-block;
}
.ML__latex .left-right {
  display: inline-block;
}
.ML__latex .vlist-t {
  display: inline-table;
  table-layout: fixed;
  border-collapse: collapse;
}
.ML__latex .vlist-r {
  display: table-row;
}
.ML__latex .vlist {
  display: table-cell;
  vertical-align: bottom;
  position: relative;
}
.ML__latex .vlist > span {
  display: block;
  height: 0;
  position: relative;
}
.ML__latex .vlist > span > span {
  display: inline-block;
}
.ML__latex .vlist > span > .pstrut {
  overflow: hidden;
  width: 0;
}
.ML__latex .vlist-t2 {
  margin-right: -2px;
}
.ML__latex .vlist-s {
  display: table-cell;
  vertical-align: bottom;
  font-size: 1px;
  width: 2px;
  min-width: 2px;
}
.ML__latex .msubsup {
  text-align: left;
}
.ML__latex .negativethinspace {
  display: inline-block;
  margin-left: -0.16667em;
  height: 0.71em;
}
.ML__latex .thinspace {
  display: inline-block;
  width: 0.16667em;
  height: 0.71em;
}
.ML__latex .mediumspace {
  display: inline-block;
  width: 0.22222em;
  height: 0.71em;
}
.ML__latex .thickspace {
  display: inline-block;
  width: 0.27778em;
  height: 0.71em;
}
.ML__latex .enspace {
  display: inline-block;
  width: 0.5em;
  height: 0.71em;
}
.ML__latex .quad {
  display: inline-block;
  width: 1em;
  height: 0.71em;
}
.ML__latex .qquad {
  display: inline-block;
  width: 2em;
  height: 0.71em;
}
.ML__latex .llap,
.ML__latex .rlap {
  width: 0;
  position: relative;
  display: inline-block;
}
.ML__latex .llap > .inner,
.ML__latex .rlap > .inner {
  position: absolute;
}
.ML__latex .llap > .fix,
.ML__latex .rlap > .fix {
  display: inline-block;
}
.ML__latex .llap > .inner {
  right: 0;
}
.ML__latex .rlap > .inner {
  left: 0;
}
.ML__latex .rule {
  display: inline-block;
  border: solid 0;
  position: relative;
  box-sizing: border-box;
}
.ML__latex .overline .overline-line,
.ML__latex .underline .underline-line {
  width: 100%;
}
.ML__latex .overline .overline-line:before,
.ML__latex .underline .underline-line:before {
  content: '';
  border-bottom-style: solid;
  border-bottom-width: max(1px, 0.04em);
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
  display: block;
}
.ML__latex .overline .overline-line:after,
.ML__latex .underline .underline-line:after {
  border-bottom-style: solid;
  border-bottom-width: max(1px, 0.04em);
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
  content: '';
  display: block;
  margin-top: -1px;
}
.ML__latex .stretchy {
  display: block;
  position: absolute;
  width: 100%;
  left: 0;
  overflow: hidden;
}
.ML__latex .stretchy:before,
.ML__latex .stretchy:after {
  content: '';
}
.ML__latex .stretchy svg {
  display: block;
  position: absolute;
  width: 100%;
  height: inherit;
  fill: currentColor;
  stroke: currentColor;
  fill-rule: nonzero;
  fill-opacity: 1;
  stroke-width: 1;
  stroke-linecap: butt;
  stroke-linejoin: miter;
  stroke-miterlimit: 4;
  stroke-dasharray: none;
  stroke-dashoffset: 0;
  stroke-opacity: 1;
}
.ML__latex .slice-1-of-2 {
  display: inline-flex;
  position: absolute;
  left: 0;
  width: 50.2%;
  overflow: hidden;
}
.ML__latex .slice-2-of-2 {
  display: inline-flex;
  position: absolute;
  right: 0;
  width: 50.2%;
  overflow: hidden;
}
.ML__latex .slice-1-of-3 {
  display: inline-flex;
  position: absolute;
  left: 0;
  width: 25.1%;
  overflow: hidden;
}
.ML__latex .slice-2-of-3 {
  display: inline-flex;
  position: absolute;
  left: 25%;
  width: 50%;
  overflow: hidden;
}
.ML__latex .slice-3-of-3 {
  display: inline-flex;
  position: absolute;
  right: 0;
  width: 25.1%;
  overflow: hidden;
}
.ML__latex .slice-1-of-1 {
  display: inline-flex;
  position: absolute;
  width: 100%;
  left: 0;
  overflow: hidden;
}
.ML__latex .nulldelimiter {
  display: inline-block;
}
.ML__latex .op-group {
  display: inline-block;
}
.ML__latex .op-symbol {
  position: relative;
}
.ML__latex .op-symbol.small-op {
  font-family: KaTeX_Size1;
}
.ML__latex .op-symbol.large-op {
  font-family: KaTeX_Size2;
}
.ML__latex .mtable .vertical-separator {
  display: inline-block;
  min-width: 1px;
  box-sizing: border-box;
}
.ML__latex .mtable .arraycolsep {
  display: inline-block;
}
.ML__latex .mtable .col-align-m > .vlist-t {
  text-align: center;
}
.ML__latex .mtable .col-align-c > .vlist-t {
  text-align: center;
}
.ML__latex .mtable .col-align-l > .vlist-t {
  text-align: left;
}
.ML__latex .mtable .col-align-r > .vlist-t {
  text-align: right;
}
.ML__error {
  display: inline-block;
  background-image: radial-gradient(ellipse at center, hsl(341, 100%, 40%), rgba(0, 0, 0, 0) 70%);
  background-color: hsla(341, 100%, 40%, 0.1);
  background-repeat: repeat-x;
  background-size: 3px 3px;
  padding-bottom: 3px;
  background-position: 0 100%;
}
.ML__error > .ML__error {
  background: transparent;
  padding: 0;
}
.ML__placeholder {
  color: var(--_placeholder-color);
  opacity: var(--_placeholder-opacity);
  padding-left: 0.4ex;
  padding-right: 0.4ex;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
}
.ML__notation {
  position: absolute;
  box-sizing: border-box;
  line-height: 0;
}
/* This class is used to implement the \`\\mathtip\` and \`\\texttip\` commands
   For UI elements, see \`[data-ML__tooltip]\`
*/
.ML__tooltip-container {
  position: relative;
  transform: scale(0);
}
.ML__tooltip-container .ML__tooltip-content {
  position: fixed;
  display: inline-table;
  visibility: hidden;
  z-index: 2;
  width: max-content;
  max-width: 400px;
  padding: 12px 12px;
  border-radius: 8px;
  background: #616161;
  --_selection-color: #fff;
  color: #fff;
  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);
  opacity: 0;
  transition: opacity 0.15s cubic-bezier(0.4, 0, 1, 1);
}
.ML__tooltip-container .ML__tooltip-content .ML__text {
  white-space: normal;
}
.ML__tooltip-container .ML__tooltip-content .ML__base {
  display: contents;
}
.ML__tooltip-container:hover .ML__tooltip-content {
  visibility: visible;
  opacity: 1;
  font-size: 0.75em;
  transform: scale(1) translate(0, 3em);
}
`,hu=`#mathlive-environment-popover.is-visible {
  visibility: visible;
}
#mathlive-environment-popover {
  --_environment-panel-height: var(--environment-panel-height, 70px);
  --_accent-color: var(--accent-color, #aaa);
  --_background: var(--environment-panel-background, #fff);
  --_button-background: var(--environment-panel-button-background, white);
  --_button-background-hover: var(--environment-panel-button-background-hover, #f5f5f7);
  --_button-background-active: var(--environment-panel-button-background-active, #f5f5f7);
  --_button-text: var(--environment-panel-button-text, #e3e4e8);
  position: absolute;
  width: calc(var(--_environment-panel-height) * 2);
  height: var(--_environment-panel-height);
  border-radius: 4px;
  border: 1.5px solid var(--_accent-color);
  background-color: var(--_background);
  box-shadow: 0 0 30px 0 var(--environment-shadow, rgba(0, 0, 0, 0.4));
  pointer-events: all;
  visibility: hidden;
}
#mathlive-environment-popover .MLEP__array-buttons {
  height: calc(var(--_environment-panel-height) * 5/4);
  width: calc(var(--_environment-panel-height) * 5/4);
  margin-left: calc(0px - var(--_environment-panel-height) * 0.16);
  margin-top: calc(0px - var(--_environment-panel-height) * 0.19);
}
#mathlive-environment-popover .MLEP__array-buttons .font {
  fill: white;
}
#mathlive-environment-popover .MLEP__array-buttons circle {
  fill: #7f7f7f;
  transition: fill 300ms;
}
#mathlive-environment-popover .MLEP__array-buttons .MLEP__array-insert-background {
  fill-opacity: 1;
  fill: var(--_background);
  stroke: var(--_accent-color);
  stroke-width: 3px;
}
#mathlive-environment-popover .MLEP__array-buttons line {
  stroke: var(--_accent-color);
  stroke-opacity: 0;
  stroke-width: 40;
  pointer-events: none;
  transition: stroke-opacity 300ms;
  stroke-linecap: round;
}
#mathlive-environment-popover .MLEP__array-buttons g[data-command]:hover circle {
  fill: var(--_accent-color);
}
#mathlive-environment-popover .MLEP__array-buttons g[data-command]:hover line {
  stroke-opacity: 1;
}
#mathlive-environment-popover .MLEP__environment-delimiter-controls {
  height: 100%;
  width: 50%;
}
#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options {
  width: var(--_environment-panel-height);
  height: var(--_environment-panel-height);
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  justify-content: space-around;
}
#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg {
  pointer-events: all;
  margin-top: 2px;
  width: calc(var(--_environment-panel-height) / 3 * 28 / 24);
  height: calc(var(--_environment-panel-height) / 3 - 2px);
  border-radius: calc(var(--_environment-panel-height) / 25);
  background-color: var(--_button-background);
}
#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg:hover {
  background-color: var(--_button-background-hover);
}
#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg path,
#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg line {
  stroke: var(--_button-text);
  stroke-width: 2;
  stroke-linecap: round;
}
#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg rect,
#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg path {
  fill-opacity: 0;
}
#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg.active {
  pointer-events: none;
  background-color: var(--_button-background-active);
}
#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg.active path,
#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg.active line {
  stroke: var(--_accent-color);
}
#mathlive-environment-popover .MLEP__environment-delimiter-controls .MLEP__array-delimiter-options svg.active circle {
  fill: var(--_accent-color);
}
`,Rf=`/* The element that display info while in latex mode */
#mathlive-suggestion-popover {
  background-color: rgba(97, 97, 97);
  color: #fff;
  text-align: center;
  border-radius: 8px;
  position: fixed;
  z-index: 1;
  display: none;
  flex-direction: column;
  justify-content: center;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
}
#mathlive-suggestion-popover.top-tip::after {
  content: '';
  position: absolute;
  top: -15px;
  left: calc(50% - 15px);
  width: 0;
  height: 0;
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
  border-bottom: 15px solid rgba(97, 97, 97);
  font-size: 1rem;
}
#mathlive-suggestion-popover.bottom-tip::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: calc(50% - 15px);
  width: 0;
  height: 0;
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
  border-top: 15px solid rgba(97, 97, 97);
  font-size: 1rem;
}
#mathlive-suggestion-popover.is-animated {
  transition: all 0.2s cubic-bezier(0.64, 0.09, 0.08, 1);
  animation: ML__fade-in cubic-bezier(0, 0, 0.2, 1) 0.15s;
}
#mathlive-suggestion-popover.is-visible {
  display: flex;
}
@keyframes ML__fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
/* The wrapper class for the entire content of the popover panel */
#mathlive-suggestion-popover ul {
  display: flex;
  flex-flow: column;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: flex-start;
  max-height: 400px;
  overflow-y: auto;
}
#mathlive-suggestion-popover li {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  margin: 8px;
  padding: 8px;
  width: calc(100% - 16px - 16px);
  column-gap: 1em;
  border-radius: 8px;
  cursor: pointer;
  /* Since the content can be clicked on, provide feedback on hover */
}
#mathlive-suggestion-popover li a {
  color: #5ea6fd;
  padding-top: 0.3em;
  margin-top: 0.4em;
  display: block;
}
#mathlive-suggestion-popover li a:hover {
  color: #5ea6fd;
  text-decoration: underline;
}
#mathlive-suggestion-popover li:hover,
#mathlive-suggestion-popover li.is-pressed,
#mathlive-suggestion-popover li.is-active {
  background: rgba(255, 255, 255, 0.1);
}
/* The command inside a popover (inside a #mathlive-suggestion-popover) */
.ML__popover__command {
  font-size: 1.6rem;
  font-family: KaTeX_Main;
}
.ML__popover__current {
  background: #5ea6fd;
  color: #fff;
}
.ML__popover__latex {
  font-family: 'IBM Plex Mono', 'Source Code Pro', Consolas, 'Roboto Mono', Menlo, 'Bitstream Vera Sans Mono', 'DejaVu Sans Mono', Monaco, Courier, monospace;
  align-self: center;
}
/* The keyboard shortcuts for a symbol as displayed in the popover */
.ML__popover__keybinding {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  font-size: 0.8em;
  opacity: 0.7;
}
/* Style for the character that joins the modifiers of a keyboard shortcut 
(usually a "+" sign)*/
.ML__shortcut-join {
  opacity: 0.5;
}
`,ju=`/* The element that displays the keys as the user type them */
#mathlive-keystroke-caption-panel {
  visibility: hidden;
  /*min-width: 160px;*/
  /*background-color: rgba(97, 97, 200, .95);*/
  background: var(--secondary, hsl(var(--_hue), 19%, 26%));
  border-color: var(--secondary-border, hsl(0, 0%, 91%));
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
  text-align: center;
  border-radius: 6px;
  padding: 16px;
  position: absolute;
  z-index: 1;
  display: flex;
  flex-direction: row-reverse;
  justify-content: center;
  --keystroke: white;
  --on-keystroke: #555;
  --keystroke-border: #f7f7f7;
}
@media (prefers-color-scheme: dark) {
  body:not([theme='light']) #mathlive-keystroke-caption-panel {
    --keystroke: hsl(var(--_hue), 50%, 30%);
    --on-keystroke: hsl(0, 0%, 98%);
    --keystroke-border: hsl(var(--_hue), 50%, 25%);
  }
}
body[theme='dark'] #mathlive-keystroke-caption-panel {
  --keystroke: hsl(var(--_hue), 50%, 30%);
  --on-keystroke: hsl(0, 0%, 98%);
  --keystroke-border: hsl(var(--_hue), 50%, 25%);
}
#mathlive-keystroke-caption-panel > span {
  min-width: 14px;
  /*height: 8px;*/
  margin: 0 8px 0 0;
  padding: 4px;
  background-color: var(--keystroke);
  color: var(--on-keystroke);
  fill: currentColor;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  font-size: 1em;
  border-radius: 6px;
  border: 2px solid var(--keystroke-border);
  /*box-shadow: 0 7px 14px rgba(0,0,0,0.25), 0 5px 5px rgba(0,0,0,0.22);*/
}
`,Ld=`.ML__keyboard {
  --_keyboard-height: 0;
  --_keyboard-zindex: var(--keyboard-zindex, 105);
  --_accent-color: var(--keyboard-accent-color, #0c75d8);
  --_background: var(--keyboard-background, #cacfd7);
  --_border: var(--keyboard-border, #ddd);
  --_padding-horizontal: var(--keyboard-padding-horizontal, 0px);
  --_padding-top: var(--keyboard-padding-top, 5px);
  --_padding-bottom: var(--keyboard-padding-bottom, 0px);
  --_row-padding-left: var(--keyboard-row-padding-left, 0px);
  --_row-padding-right: var(--keyboard-row-padding-right, 0px);
  --_toolbar-text: var(--keyboard-toolbar-text, #2c2e2f);
  --_toolbar-text-active: var(--keyboard-toolbar-text-active, var(--_accent-color));
  --_toolbar-background: var(--keyboard-toolbar-background, transparent);
  --_toolbar-background-hover: var(--keyboard-toolbar-background-hover, #eee);
  --_toolbar-background-selected: var(--keyboard-toolbar-background-selected, transparent);
  --_toolbar-font-size: var(--keyboard-toolbar-font-size, '135%');
  --_horizontal-rule: var(--keyboard-horizontal-rule, 1px solid #fff);
  --_keycap-background: var(--keycap-background, white);
  --_keycap-background-hover: var(--keycap-background-hover, #f5f5f7);
  --_keycap-background-active: var(--keycap-background-active, var(--_accent-color));
  --_keycap-background-pressed: var(--keycap-background-pressed, var(--_accent-color));
  --_keycap-border: var(--keycap-border, #e5e6e9);
  --_keycap-border-bottom: var(--keycap-border-bottom, #8d8f92);
  --_keycap-text: var(--keycap-text, #000);
  --_keycap-text-active: var(--keycap-text-active, #fff);
  --_keycap-text-hover: var(--keycap-text-hover, var(--_keycap-text));
  --_keycap-text-pressed: var(--keycap-text-pressed, #fff);
  --_keycap-shift-text: var(--keycap-shift-text, var(--_accent-color));
  --_keycap-primary-background: var(--keycap-primary-background, var(--_accent-color));
  --_keycap-primary-text: var(--keycap-primary-text, #ddd);
  --_keycap-primary-background-hover: var(--keycap-primary-background-hover, #0d80f2);
  --_keycap-secondary-background: var(--keycap-secondary-background, #a0a9b8);
  --_keycap-secondary-background-hover: var(--keycap-secondary-background-hover, #7d8795);
  --_keycap-secondary-text: var(--keycap-secondary-text, #060707);
  --_keycap-secondary-border: var(--keycap-secondary-border, #c5c9d0);
  --_keycap-secondary-border-bottom: var(--keycap-secondary-border-bottom, #989da6);
  --_keycap-height: var(--keycap-height, 60px);
  /* Keycap width (incl. margin) */
  --_keycap-max-width: var(--keycap-max-width, 100px);
  --_keycap-gap: var(--keycap-gap, 8px);
  --_keycap-font-size: var(--keycap-font-size, clamp(16px, 4cqw, 24px));
  --_keycap-small-font-size: var(--keycap-small-font-size, calc(var(--keycap-font-size) * 0.8));
  --_keycap-extra-small-font-size: var(--keycap-extra-small-font-size, calc(var(--keycap-font-size) / 1.42));
  --_variant-panel-background: var(--variant-panel-background, #fff);
  --_variant-keycap-text: var(--variant-keycap-text, var(--_keycap-text));
  --_variant-keycap-text-active: var(--variant-keycap-text-active, var(--_keycap-text-active));
  --_variant-keycap-background-active: var(--variant-keycap-background-active, var(--_accent-color));
  --_variant-keycap-length: var(--variant-keycap-length, 70px);
  --_variant-keycap-font-size: var(--variant-keycap-font-size, 30px);
  --_variant-keycap-aside-font-size: var(--variant-keycap-aside-font-size, 12px);
  --_keycap-shift-font-size: var(--keycap-shift-font-size, 16px);
  --_keycap-shift-color: var(--keycap-shift-color, var(--_accent-color));
  --_box-placeholder-color: var(--box-placeholder-color, var(--_accent-color));
  --_box-placeholder-pressed-color: var(--box-placeholder-pressed-color, var(--keycap-text-pressed));
}
.is-math-mode .MLK__rows .if-text-mode,
.is-text-mode .MLK__rows .if-math-mode {
  display: none;
}
.if-can-undo,
.if-can-redo,
.if-can-copy,
.if-can-cut,
.if-can-paste {
  opacity: 0.4;
  pointer-events: none;
}
.can-undo .if-can-undo,
.can-redo .if-can-redo,
.can-copy .if-can-copy,
.can-cut .if-can-cut,
.can-paste .if-can-paste {
  opacity: 1;
  pointer-events: all;
}
body > .ML__keyboard {
  position: fixed;
  --_padding-bottom: calc(var(--keyboard-padding-bottom, 0px) + env(safe-area-inset-bottom, 0));
}
body > .ML__keyboard.is-visible > .MLK__backdrop {
  box-shadow: 0 -5px 6px rgba(0, 0, 0, 0.08);
  border-top: 1px solid var(--_border);
}
body > .ML__keyboard.backdrop-is-transparent.is-visible > .MLK__backdrop {
  box-shadow: none;
  border: none;
}
body > .ML__keyboard.is-visible.animate > .MLK__backdrop {
  transition: 0.28s cubic-bezier(0, 0, 0.2, 1);
  transition-property: transform, opacity;
  transition-timing-function: cubic-bezier(0.4, 0, 1, 1);
}
.ML__keyboard {
  position: relative;
  overflow: hidden;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  z-index: var(--_keyboard-zindex);
  box-sizing: border-box;
  outline: none;
  border: none;
  margin: 0;
  padding: 0;
  line-height: 1;
  overflow-wrap: unset;
  text-align: left;
  vertical-align: baseline;
  cursor: auto;
  white-space: pre;
  box-shadow: none;
  opacity: 1;
  transform: none;
  pointer-events: none;
}
.ML__keyboard :where(div) {
  box-sizing: border-box;
  outline: none;
  border: none;
  margin: 0;
  padding: 0;
  line-height: 1;
  overflow-wrap: unset;
  text-align: left;
  vertical-align: baseline;
  cursor: auto;
  white-space: pre;
  box-shadow: none;
  transform: none;
}
.MLK__backdrop {
  position: absolute;
  bottom: calc(-1 * var(--_keyboard-height));
  width: 100%;
  height: var(--_keyboard-height);
  box-sizing: border-box;
  padding-top: var(--_padding-top);
  padding-bottom: var(--_padding-bottom);
  padding-left: var(--_padding-horizontal);
  padding-right: var(--_padding-horizontal);
  opacity: 0;
  visibility: hidden;
  transform: translate(0, 0);
  background: var(--_background);
}
.backdrop-is-transparent .MLK__backdrop {
  background: transparent;
}
/* If a custom layout has a custom container/backdrop
  (backdrop-is-transparent), make sure to let pointer event go through. */
.backdrop-is-transparent .MLK__plate {
  background: transparent;
  pointer-events: none;
}
/* If a custom layout has a custom container/backdrop, make sure to 
   allow pointer events on it. */
.backdrop-is-transparent .MLK__layer > div > div {
  pointer-events: all;
}
.ML__keyboard.is-visible > .MLK__backdrop {
  transform: translate(0, calc(-1 * var(--_keyboard-height)));
  opacity: 1;
  visibility: visible;
}
.caps-lock-indicator {
  display: none;
  width: 8px;
  height: 8px;
  background: #0cbc0c;
  box-shadow: inset 0 0 4px 0 #13ca13, 0 0 4px 0 #a9ef48;
  border-radius: 8px;
  right: 8px;
  top: 8px;
  position: absolute;
}
.ML__keyboard.is-caps-lock .caps-lock-indicator {
  display: block;
}
.ML__keyboard.is-caps-lock .shift {
  background: var(--_keycap-background-active);
  color: var(--_keycap-text-active);
}
.MLK__plate {
  position: absolute;
  top: var(--_padding-top);
  left: var(--_padding-horizontal);
  width: calc(100% - 2 * var(--_padding-horizontal));
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  container-type: inline-size;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  pointer-events: all;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  font-size: 16px;
  /* Size of toolbar labels */
  font-weight: 400;
  text-shadow: none;
}
.ML__box-placeholder {
  color: var(--_box-placeholder-color);
}
.MLK__tex {
  font-family: KaTeX_Main, KaTeX_Math, 'Cambria Math', 'Asana Math', OpenSymbol, Symbola, STIX, Times, serif !important;
}
.MLK__tex-math {
  font-family: KaTeX_Math, KaTeX_Main, 'Cambria Math', 'Asana Math', OpenSymbol, Symbola, STIX, Times, serif !important;
  font-style: italic;
}
.MLK__layer {
  display: none;
  outline: none;
}
.MLK__layer.is-visible {
  display: flex;
  flex-flow: column;
}
/* Keyboard layouts are made or rows of keys... */
.MLK__rows {
  --_keycap-width: min(var(--_keycap-max-width), 10cqw);
  display: flex;
  flex-flow: column;
  align-items: center;
  border-collapse: separate;
  clear: both;
  border: 0;
  margin: 0;
  margin-bottom: var(--_keycap-gap);
  gap: var(--_keycap-gap);
  /* If the styling include, e.g., some shadows, they will be
  cut off by the overflow. In that case, set the padding to 
  compensate. */
  padding-left: var(--_row-padding-left);
  padding-right: var(--_row-padding-right);
  overflow: visible;
  touch-action: none;
}
.MLK__rows > .MLK__row {
  display: flex;
  flex-flow: row;
  justify-content: center;
  width: 100%;
  gap: var(--_keycap-gap);
  margin: 0;
  padding: 0;
  /* For the alignment of the text on some modifiers (e.g. shift) */
  /* Extra spacing between two adjacent keys */
}
.MLK__rows > .MLK__row .tex {
  font-family: KaTeX_Math, KaTeX_Main, 'Cambria Math', 'Asana Math', OpenSymbol, Symbola, STIX, Times, serif !important;
}
.MLK__rows > .MLK__row .tex-math {
  font-family: KaTeX_Math, 'Cambria Math', 'Asana Math', OpenSymbol, Symbola, STIX, Times, serif !important;
}
.MLK__rows > .MLK__row .big-op {
  font-size: calc(1.25 * var(--_keycap-font-size));
}
.MLK__rows > .MLK__row .small {
  font-size: var(--_keycap-small-font-size);
}
.MLK__rows > .MLK__row .bottom {
  justify-content: flex-end;
}
.MLK__rows > .MLK__row .left {
  align-items: flex-start;
  padding-left: 12px;
}
.MLK__rows > .MLK__row .right {
  align-items: flex-end;
  padding-right: 12px;
}
.MLK__rows > .MLK__row .w0 {
  width: 0;
}
.MLK__rows > .MLK__row .w5 {
  width: calc(0.5 * var(--_keycap-width) - var(--_keycap-gap));
}
.MLK__rows > .MLK__row .w15 {
  width: calc(1.5 * var(--_keycap-width) - var(--_keycap-gap));
}
.MLK__rows > .MLK__row .w20 {
  width: calc(2 * var(--_keycap-width) - var(--_keycap-gap));
}
.MLK__rows > .MLK__row .w40 {
  width: calc(4 * var(--_keycap-width) - var(--_keycap-gap));
}
.MLK__rows > .MLK__row .w50 {
  width: calc(5 * var(--_keycap-width) - var(--_keycap-gap));
}
.MLK__rows > .MLK__row .MLK__keycap.w50 {
  font-size: 80%;
  padding-top: 10px;
  font-weight: 100;
}
.MLK__rows > .MLK__row .separator {
  background: transparent;
  border: none;
  pointer-events: none;
}
.MLK__rows > .MLK__row .horizontal-rule {
  height: 6px;
  margin-top: 3px;
  margin-bottom: 0;
  width: 100%;
  border-radius: 0;
  border-top: var(--_horizontal-rule);
}
.MLK__rows > .MLK__row .ghost {
  background: var(--_toolbar-background);
  border: none;
  color: var(--_toolbar-text);
}
.MLK__rows > .MLK__row .ghost:hover {
  background: var(--_toolbar-background-hover);
}
.MLK__rows > .MLK__row .bigfnbutton {
  font-size: var(--_keycap-extra-small-font-size);
}
.MLK__rows > .MLK__row .shift,
.MLK__rows > .MLK__row .action {
  color: var(--_keycap-secondary-text);
  background: var(--_keycap-secondary-background);
  border-color: var(--_keycap-secondary-border);
  border-bottom-color: var(--_keycap-secondary-border-bottom);
  line-height: 0.8;
  font-size: min(1rem, var(--_keycap-small-font-size));
  font-weight: 600;
  padding: 8px 12px 8px 12px;
}
.MLK__rows > .MLK__row .shift:hover,
.MLK__rows > .MLK__row .action:hover {
  background: var(--_keycap-secondary-background-hover);
}
.MLK__rows > .MLK__row .action.primary {
  background: var(--_keycap-primary-background);
  color: var(--_keycap-primary-text);
}
.MLK__rows > .MLK__row .action.primary:hover {
  background: var(--_keycap-primary-background-hover);
  color: var(--_keycap-primary-text);
}
.MLK__rows > .MLK__row .shift.selected,
.MLK__rows > .MLK__row .action.selected {
  color: var(--_toolbar-text-active);
}
.MLK__rows > .MLK__row .shift.selected.is-pressed,
.MLK__rows > .MLK__row .action.selected.is-pressed,
.MLK__rows > .MLK__row .shift.selected.is-active,
.MLK__rows > .MLK__row .action.selected.is-active {
  color: white;
}
.MLK__rows > .MLK__row .warning {
  background: #cd0030;
  color: white;
}
.MLK__rows > .MLK__row .warning svg.svg-glyph {
  width: 24px;
  height: 24px;
  min-height: 24px;
}
/** A regular keycap
 * Use the :where() pseudo-class to give it a very low specifity, 
 * so that it can be overriden by custom style.
 */
:where(.MLK__rows > .MLK__row  div) {
  display: flex;
  flex-flow: column;
  align-items: center;
  justify-content: space-evenly;
  width: calc(var(--_keycap-width) - var(--_keycap-gap));
  height: var(--_keycap-height);
  box-sizing: border-box;
  padding: 0;
  vertical-align: top;
  text-align: center;
  float: left;
  color: var(--_keycap-text);
  fill: currentColor;
  font-size: var(--_keycap-font-size);
  background: var(--_keycap-background);
  border: 1px solid var(--_keycap-border);
  border-bottom-color: var(--_keycap-border-bottom);
  border-radius: 6px;
  cursor: pointer;
  touch-action: none;
  /* Keys with a variants panel */
  position: relative;
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
:where(.MLK__rows > .MLK__row  div):hover {
  overflow: visible;
  background: var(--_keycap-background-hover);
}
:where(.MLK__rows > .MLK__row  div) .ML__latex {
  pointer-events: none;
  touch-action: none;
}
:where(.MLK__rows > .MLK__row  div) svg.svg-glyph {
  margin: 8px 0;
  width: 20px;
  height: 20px;
  min-height: 20px;
}
:where(.MLK__rows > .MLK__row  div) svg.svg-glyph-lg {
  margin: 8px 0;
  width: 24px;
  height: 24px;
  min-height: 24px;
}
:where(.MLK__rows > .MLK__row  div).MLK__tex-math {
  font-size: 25px;
}
:where(.MLK__rows > .MLK__row  div).is-pressed {
  background: var(--_keycap-background-pressed);
  color: var(--_keycap-text-pressed);
  --_box-placeholder-color: var(--_box-placeholder-pressed-color);
}
:where(.MLK__rows > .MLK__row  div).MLK__keycap.is-active,
:where(.MLK__rows > .MLK__row  div).action.is-active,
:where(.MLK__rows > .MLK__row  div).MLK__keycap.is-pressed,
:where(.MLK__rows > .MLK__row  div).action.is-pressed {
  z-index: calc(var(--_keyboard-zindex) - 5);
}
:where(.MLK__rows > .MLK__row  div).MLK__keycap.is-active aside,
:where(.MLK__rows > .MLK__row  div).action.is-active aside,
:where(.MLK__rows > .MLK__row  div).MLK__keycap.is-pressed aside,
:where(.MLK__rows > .MLK__row  div).action.is-pressed aside {
  display: none;
}
:where(.MLK__rows > .MLK__row  div).MLK__keycap.is-active .MLK__shift,
:where(.MLK__rows > .MLK__row  div).action.is-active .MLK__shift,
:where(.MLK__rows > .MLK__row  div).MLK__keycap.is-pressed .MLK__shift,
:where(.MLK__rows > .MLK__row  div).action.is-pressed .MLK__shift {
  display: none;
}
:where(.MLK__rows > .MLK__row  div).shift.is-pressed,
:where(.MLK__rows > .MLK__row  div).MLK__keycap.is-pressed,
:where(.MLK__rows > .MLK__row  div).action.is-pressed {
  background: var(--_keycap-background-pressed);
  color: var(--_keycap-text-pressed);
}
:where(.MLK__rows > .MLK__row  div).shift.is-active,
:where(.MLK__rows > .MLK__row  div).MLK__keycap.is-active,
:where(.MLK__rows > .MLK__row  div).action.is-active {
  background: var(--_keycap-background-active);
  color: var(--_keycap-text-active);
  --_box-placeholder-color: var(--_box-placeholder-pressed-color);
}
:where(.MLK__rows > .MLK__row  div) small {
  color: var(--_keycap-secondary-text);
}
:where(.MLK__rows > .MLK__row  div) aside {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  font-size: 10px;
  line-height: 10px;
  color: var(--_keycap-secondary-text);
}
/* Add an attribute 'data-tooltip' to display a tooltip on hover.
Note there are a different set of tooltip rules for the keyboard toggle
(it's in a different CSS tree) */
.ML__keyboard [data-tooltip] {
  position: relative;
}
.ML__keyboard [data-tooltip]::after {
  position: absolute;
  display: inline-table;
  content: attr(data-tooltip);
  top: inherit;
  bottom: 100%;
  width: max-content;
  max-width: 200px;
  padding: 8px 8px;
  background: #616161;
  color: #fff;
  text-align: center;
  z-index: 2;
  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);
  border-radius: 2px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  font-weight: 400;
  font-size: 12px;
  transition: all 0.15s cubic-bezier(0.4, 0, 1, 1) 1s;
  opacity: 0;
  transform: scale(0.5);
}
.ML__keyboard [data-tooltip]:hover {
  position: relative;
}
.ML__keyboard [data-tooltip]:hover::after {
  opacity: 1;
  transform: scale(1);
}
.MLK__toolbar {
  align-self: center;
  display: flex;
  flex-flow: row;
  justify-content: space-between;
  width: 100%;
  max-width: 996px;
  min-height: 32px;
  /* Icons for undo/redo, etc. */
}
.MLK__toolbar svg {
  height: 20px;
  width: 20px;
}
.MLK__toolbar > .left {
  position: relative;
  display: flex;
  justify-content: flex-start;
  flex-flow: row;
}
.MLK__toolbar > .right {
  display: flex;
  justify-content: flex-end;
  flex-flow: row;
}
.MLK__toolbar > div > div {
  /* "button" in the toolbar */
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--_toolbar-text);
  fill: currentColor;
  background: var(--_toolbar-background);
  font-size: var(--_toolbar-font-size);
  padding: 4px 15px;
  cursor: pointer;
  width: max-content;
  min-width: 42px;
  min-height: 34px;
  border: none;
  padding-left: 10px;
  padding-right: 10px;
  padding-bottom: 8px;
  padding-top: 8px;
  margin-top: 0;
  margin-bottom: 4px;
  margin-left: 4px;
  margin-right: 4px;
  border-radius: 8px;
  box-shadow: none;
  border-bottom: 2px solid transparent;
}
.MLK__toolbar > div > div:not(.disabled):not(.selected):hover {
  background: var(--_toolbar-background-hover);
}
.MLK__toolbar > div > div.disabled svg,
.MLK__toolbar > div > div.disabled:hover svg,
.MLK__toolbar > div > div.disabled.is-pressed svg {
  color: var(--_toolbar-text);
  opacity: 0.2;
}
.MLK__toolbar > div > div:hover,
.MLK__toolbar > div > div:active,
.MLK__toolbar > div > div.is-pressed,
.MLK__toolbar > div > div.is-active {
  color: var(--_toolbar-text-active);
}
.MLK__toolbar > div > div.selected {
  color: var(--_toolbar-text-active);
  background: var(--_toolbar-background-selected);
  border-radius: 0;
  border-bottom-color: var(--_toolbar-text-active);
  padding-bottom: 4px;
  margin-bottom: 8px;
}
/* This is the element that displays variants on press+hold */
.MLK__variant-panel {
  visibility: hidden;
  position: fixed;
  display: flex;
  flex-flow: row wrap-reverse;
  justify-content: center;
  align-content: center;
  margin: 0;
  padding: 0;
  bottom: auto;
  top: 0;
  box-sizing: content-box;
  transform: none;
  z-index: calc(var(--_keyboard-zindex) + 1);
  touch-action: none;
  max-width: 350px;
  background: var(--_variant-panel-background);
  text-align: center;
  border-radius: 6px;
  padding: 6px;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
  transition: none;
}
.MLK__variant-panel.is-visible {
  visibility: visible;
}
.MLK__variant-panel.compact {
  --_variant-keycap-length: var(--variant-keycap-length, 50px);
  --_variant-keycap-font-size: var(--variant-keycap-font-size, 24px);
  --_variant-keycap-aside-font-size: var(--variant-keycap-aside-font-size, 10px);
}
.MLK__variant-panel .item {
  display: flex;
  flex-flow: column;
  align-items: center;
  justify-content: center;
  font-size: var(--_variant-keycap-font-size);
  height: var(--_variant-keycap-length);
  width: var(--_variant-keycap-length);
  margin: 0;
  box-sizing: border-box;
  border-radius: 5px;
  border: 1px solid transparent;
  background: transparent;
  pointer-events: all;
  cursor: pointer;
  color: var(--_variant-keycap-text);
  fill: currentColor;
}
@media (max-height: 412px) {
  .MLK__variant-panel .item {
    --_variant-keycap-font-size: var(--variant-keycap-font-size, 24px);
    --_variant-keycap-length: var(--variant-keycap-length, 50px);
  }
}
.MLK__variant-panel .item .ML__latex {
  pointer-events: none;
}
.MLK__variant-panel .item.is-active {
  background: var(--_variant-keycap-background-active);
  color: var(--_variant-keycap-text-active);
}
.MLK__variant-panel .item.is-pressed {
  background: var(--_variant-keycap-background-pressed);
  color: var(--_variant-keycap-text-pressed);
}
.MLK__variant-panel .item.small {
  font-size: var(--_keycap-small-font-size);
}
.MLK__variant-panel .item.swatch-button {
  box-sizing: border-box;
  background: #fbfbfb;
}
.MLK__variant-panel .item.swatch-button > span {
  display: inline-block;
  margin: 6px;
  width: calc(100% - 12px);
  height: calc(100% - 12px);
  border-radius: 50%;
}
.MLK__variant-panel .item.swatch-button:hover {
  background: #f0f0f0;
}
.MLK__variant-panel .item.swatch-button:hover > span {
  border-radius: 2px;
}
.MLK__variant-panel .item.box > div,
.MLK__variant-panel .item.box > span {
  border: 1px dashed rgba(0, 0, 0, 0.24);
}
.MLK__variant-panel .item .warning {
  min-height: 60px;
  min-width: 60px;
  background: #cd0030;
  color: white;
  padding: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
}
.MLK__variant-panel .item .warning.is-pressed,
.MLK__variant-panel .item .warning.is-active {
  background: red;
}
.MLK__variant-panel .item .warning svg.svg-glyph {
  width: 50px;
  height: 50px;
}
.MLK__variant-panel .item aside {
  font-size: var(--_variant-keycap-aside-font-size);
  line-height: 12px;
  opacity: 0.78;
  padding-top: 2px;
}
.MLK__keycap {
  position: relative;
}
.MLK__shift {
  display: block;
  position: absolute;
  right: 4px;
  top: 4px;
  font-size: var(--_keycap-shift-font-size);
  color: var(--_keycap-shift-color);
}
.hide-shift .MLK__shift {
  display: none;
}
@media (max-width: 414px) {
  .MLK__variant-panel {
    max-width: 350px;
    --_variant-keycap-font-size: var(--variant-keycap-font-size, 24px);
    --_variant-keycap-length: var(--variant-keycap-length, 50px);
  }
}
/* @xs breakpoint: iPhone 5 */
@container (max-width: 414px) {
  .MLK__rows {
    --_keycap-gap: max(var(--_keycap-gap, 2px), 2px);
    --_keycap-height: max(var(--_keycap-height), 42px);
    --_keycap-width: min(min(var(--_keycap-max-width), 10cqw), 62px);
  }
  .MLK__toolbar > div > div {
    font-size: 100%;
    margin-left: 2px;
    margin-right: 2px;
  }
  .MLK__rows .shift,
  .MLK__rows .action {
    font-size: 65%;
  }
  .MLK__rows .warning svg.svg-glyph {
    width: 14px;
    height: 14px;
    min-height: 14px;
  }
}
@container (max-width: 744px) {
  .MLK__rows {
    --_keycap-gap: max(var(--keycap-gap, 2px), 2px);
    --_keycap-height: max(var(--keycap-height, 52px), 52px);
    --_keycap-width: min(min(var(--_keycap-max-width), 10cqw), 62px);
  }
  .MLK__toolbar > div > div {
    padding-left: 0;
    padding-right: 0;
  }
  .MLK__tooltip::after {
    padding: 8px 16px;
    font-size: 16px;
  }
  .MLK__rows > .MLK__row > div.fnbutton {
    font-size: 16px;
  }
  .MLK__rows > .MLK__row > div.bigfnbutton {
    font-size: calc(var(--_keycap-extra-small-font-size) / 1.55);
  }
  .MLK__rows > .MLK__row > div.small {
    font-size: 13px;
  }
  .MLK__rows > .MLK__row > div > aside {
    display: none;
  }
  .MLK__shift {
    display: none;
  }
}
/* Medium breakpoint: larger phones */
@container (max-width: 768px) {
  .MLK__rows {
    --_keycap-height: max(var(--keycap-height, 42px), 42px);
  }
  .MLK__rows > .MLK__row > div > small {
    font-size: 14px;
  }
}
@media (max-height: 768px) {
  .MLK__rows {
    --_keycap-height: max(var(--keycap-height, 42px), 42px);
  }
  .MLK__rows > .MLK__row > div > small {
    font-size: 14px;
  }
}
@container (max-width: 1444px) {
  .MLK__rows .if-wide {
    display: none;
  }
}
@media (prefers-color-scheme: dark) {
  .ML__keyboard {
    --_accent-color: var(--keyboard-accent-color, #0b5c9c);
    --_background: var(--keyboard-background, #151515);
    --_border: var(--keyboard-border, transparent);
    --_toolbar-text: var(--keyboard-toolbar-text, #e3e4e8);
    --_toolbar-background-hover: var(--keyboard-toolbar-background-hover, #303030);
    --keyboard-toolbar-background-hover: #303030;
    --_horizontal-rule: var(--keyboard-horizontal-rule, 1px solid #303030);
    --_keycap-background: var(--keycap-background, #1f2022);
    --_keycap-background-hover: var(--keycap-background-hover, #2f3032);
    --_keycap-border: var(--_keycap-border, transparent);
    --_keycap-border-bottom: var(--_keycap-border-bottom, transparent);
    --_keycap-text: var(--keycap-text, #e3e4e8);
    --_keycap-secondary-background: var(--keycap-secondary-background, #3d4144);
    --_keycap-secondary-background-hover: var(--keycap-secondary-background-hover, #4d5154);
    --_keycap-secondary-text: var(--keycap-secondary-text, #e7ebee);
    --keycap-secondary-border: transparent;
    --keycap-secondary-border-bottom: transparent;
    --_keycap-secondary-border: var(--keycap-secondary-border, transparent);
    --_keycap-secondary-border-bottom: var(--keycap-secondary-border-bottom, transparent);
    --_variant-panel-background: var(--variant-panel-background, #303030);
    --_variant-keycap-text-active: var(--variant-keycap-text-active, #fff);
  }
}
/* Same as the media query, but with a class */
[theme='dark'] .ML__keyboard {
  --_accent-color: var(--keyboard-accent-color, #0b5c9c);
  --_background: var(--keyboard-background, #151515);
  --_border: var(--keyboard-border, transparent);
  --_toolbar-text: var(--keyboard-toolbar-text, #e3e4e8);
  --_toolbar-background-hover: var(--keyboard-toolbar-background-hover, #303030);
  --keyboard-toolbar-background-hover: #303030;
  --_horizontal-rule: var(--keyboard-horizontal-rule, 1px solid #303030);
  --_keycap-background: var(--keycap-background, #1f2022);
  --_keycap-background-hover: var(--keycap-background-hover, #2f3032);
  --_keycap-border: var(--_keycap-border, transparent);
  --_keycap-border-bottom: var(--_keycap-border-bottom, transparent);
  --_keycap-text: var(--keycap-text, #e3e4e8);
  --_keycap-secondary-background: var(--keycap-secondary-background, #3d4144);
  --_keycap-secondary-background-hover: var(--keycap-secondary-background-hover, #4d5154);
  --_keycap-secondary-text: var(--keycap-secondary-text, #e7ebee);
  --keycap-secondary-border: transparent;
  --keycap-secondary-border-bottom: transparent;
  --_keycap-secondary-border: var(--keycap-secondary-border, transparent);
  --_keycap-secondary-border-bottom: var(--keycap-secondary-border-bottom, transparent);
  --_variant-panel-background: var(--variant-panel-background, #303030);
  --_variant-keycap-text-active: var(--variant-keycap-text-active, #fff);
}
[theme='light'] .ML__keyboard {
  --_accent-color: var(--keyboard-accent-color, #0c75d8);
  --_background: var(--keyboard-background, #cacfd7);
  --_border: var(--keyboard-border, #ddd);
  --_toolbar-text: var(--keyboard-toolbar-text, #2c2e2f);
  --_toolbar-background: var(--keyboard-toolbar-background, transparent);
  --_toolbar-background-hover: var(--keyboard-toolbar-background-hover, #eee);
  --_toolbar-background-selected: var(--keyboard-toolbar-background-selected, transparent);
  --_horizontal-rule: var(--keyboard-horizontal-rule, 1px solid #fff);
  --_keycap-background: var(--keycap-background, white);
  --_keycap-background-hover: var(--keycap-background-hover, #f5f5f7);
  --_keycap-background-active: var(--keycap-background-active, var(--_accent-color));
  --_keycap-background-pressed: var(--keycap-background-pressed, var(--_accent-color));
  --_keycap-border: var(--_keycap-border, #e5e6e9);
  --_keycap-border-bottom: var(--_keycap-border-bottom, #8d8f92);
  --_keycap-text: var(--keycap-text, #000);
  --_keycap-text-active: var(--keycap-text-active, #fff);
  --_keycap-text-hover: var(--keycap-text-hover, var(--_keycap-text));
  --_keycap-text-pressed: var(--keycap-text-pressed, #fff);
  --_keycap-shift-text: var(--keycap-shift-text, var(--_accent-color));
  --_keycap-secondary-background: var(--keycap-secondary-background, #a0a9b8);
  --_keycap-secondary-background-hover: var(--keycap-secondary-background-hover, #7d8795);
  --_keycap-secondary-text: var(--keycap-secondary-text, #060707);
  --_keycap-secondary-border: var(--keycap-secondary-border, #c5c9d0);
  --_keycap-secondary-border-bottom: var(--keycap-secondary-border-bottom, #989da6);
  --_variant-panel-background: var(--variant-panel-background, #fff);
  --_variant-keycap-text: var(--variant-keycap-textvar, var(--_keycap-text));
  --_variant-keycap-text-active: var(--variant-keycap-text-active, var(--_keycap-text-active));
  --_variant-keycap-background-active: var(--variant-keycap-background-active, var(--_accent-color));
}
`,Nf=`:host {
  --primary-color: #5898ff;
  --primary-color-dimmed: #c0c0f0;
  --primary-color-dark: var(--blue-500);
  --primary-color-light: var(--blue-100);
  --primary-color-reverse: #ffffff;
  --secondary-color: #ff8a65;
  --secondary-color-dimmed: #f0d5c5;
  --secondary-color-dark: var(--orange-500);
  --secondary-color-light: var(--orange-100);
  --secondary-color-reverse: #ffffff;
  --link-color: #5898ff;
  --link-color-dimmed: #c5c5c5;
  --link-color-dark: #121212;
  --link-color-light: #e2e2e2;
  --link-color-reverse: #ffffff;
  --semantic-blue: var(--blue-700);
  --semantic-red: var(--red-400);
  --semantic-orange: var(--orange-400);
  --semantic-green: var(--green-700);
  --neutral-100: #f5f5f5;
  --neutral-200: #eeeeee;
  --neutral-300: #e0e0e0;
  --neutral-400: #bdbdbd;
  --neutral-500: #9e9e9e;
  --neutral-600: #757575;
  --neutral-700: #616161;
  --neutral-800: #424242;
  --neutral-900: #212121;
  --red-25: #fff8f7;
  --red-50: #fff1ef;
  --red-100: #ffeae6;
  --red-200: #ffcac1;
  --red-300: #ffa495;
  --red-400: #ff7865;
  --red-500: #f21c0d;
  --red-600: #e50018;
  --red-700: #d30024;
  --red-800: #bd002c;
  --red-900: #a1002f;
  --orange-25: #fffbf8;
  --orange-50: #fff7f1;
  --orange-100: #fff3ea;
  --orange-200: #ffe1c9;
  --orange-300: #ffcca2;
  --orange-400: #ffb677;
  --orange-500: #fe9310;
  --orange-600: #f58700;
  --orange-700: #ea7c00;
  --orange-800: #dc6d00;
  --orange-900: #ca5b00;
  --brown-25: #fff8ef;
  --brown-50: #fff1df;
  --brown-100: #ffe9ce;
  --brown-200: #ebcca6;
  --brown-300: #cdaf8a;
  --brown-400: #af936f;
  --brown-500: #856a47;
  --brown-600: #7f5e34;
  --brown-700: #78511f;
  --brown-800: #6e4200;
  --brown-900: #593200;
  --yellow-25: #fffdf9;
  --yellow-50: #fffcf2;
  --yellow-100: #fffaec;
  --yellow-200: #fff2ce;
  --yellow-300: #ffe8ab;
  --yellow-400: #ffdf85;
  --yellow-500: #ffcf33;
  --yellow-600: #f1c000;
  --yellow-700: #dfb200;
  --yellow-800: #c9a000;
  --yellow-900: #ad8a00;
  --lime-25: #f4ffee;
  --lime-50: #e9ffdd;
  --lime-100: #ddffca;
  --lime-200: #a8fb6f;
  --lime-300: #94e659;
  --lime-400: #80d142;
  --lime-500: #63b215;
  --lime-600: #45a000;
  --lime-700: #268e00;
  --lime-800: #007417;
  --lime-900: #005321;
  --green-25: #f5fff5;
  --green-50: #ebffea;
  --green-100: #e0ffdf;
  --green-200: #a7ffa7;
  --green-300: #5afa65;
  --green-400: #45e953;
  --green-500: #17cf36;
  --green-600: #00b944;
  --green-700: #00a34a;
  --green-800: #008749;
  --green-900: #00653e;
  --teal-25: #f3ffff;
  --teal-50: #e6fffe;
  --teal-100: #d9fffe;
  --teal-200: #8dfffe;
  --teal-300: #57f4f4;
  --teal-400: #43e5e5;
  --teal-500: #17cfcf;
  --teal-600: #00c2c0;
  --teal-700: #00b5b1;
  --teal-800: #00a49e;
  --teal-900: #009087;
  --cyan-25: #f7fcff;
  --cyan-50: #eff8ff;
  --cyan-100: #e7f5ff;
  --cyan-200: #c2e6ff;
  --cyan-300: #95d5ff;
  --cyan-400: #61c4ff;
  --cyan-500: #13a7ec;
  --cyan-600: #069eda;
  --cyan-700: #0095c9;
  --cyan-800: #0088b2;
  --cyan-900: #0a7897;
  --blue-25: #f7faff;
  --blue-50: #eef5ff;
  --blue-100: #e5f1ff;
  --blue-200: #bfdbff;
  --blue-300: #92c2ff;
  --blue-400: #63a8ff;
  --blue-500: #0d80f2;
  --blue-600: #0077db;
  --blue-700: #006dc4;
  --blue-800: #0060a7;
  --blue-900: #005086;
  --indigo-25: #f8f7ff;
  --indigo-50: #f1efff;
  --indigo-100: #eae7ff;
  --indigo-200: #ccc3ff;
  --indigo-300: #ac99ff;
  --indigo-400: #916aff;
  --indigo-500: #63c;
  --indigo-600: #5a21b2;
  --indigo-700: #4e0b99;
  --indigo-800: #3b0071;
  --indigo-900: #220040;
  --purple-25: #fbf7ff;
  --purple-50: #f8f0ff;
  --purple-100: #f4e8ff;
  --purple-200: #e4c4ff;
  --purple-300: #d49aff;
  --purple-400: #c36aff;
  --purple-500: #a219e6;
  --purple-600: #9000c4;
  --purple-700: #7c009f;
  --purple-800: #600073;
  --purple-900: #3d0043;
  --magenta-25: #fff8fb;
  --magenta-50: #fff2f6;
  --magenta-100: #ffebf2;
  --magenta-200: #ffcddf;
  --magenta-300: #ffa8cb;
  --magenta-400: #ff7fb7;
  --magenta-500: #eb4799;
  --magenta-600: #da3689;
  --magenta-700: #c82179;
  --magenta-800: #b00065;
  --magenta-900: #8a004c;
}
@media (prefers-color-scheme: dark) {
  :host {
    --semantic-blue: var(--blue-700);
    --semantic-red: var(--red-400);
    --semantic-orange: var(--orange-400);
    --semantic-green: var(--green-700);
    --semantic-bg-blue: var(--blue-25);
    --semantic-bg-red: var(--red-25);
    --semantic-bg-orange: var(--orange-25);
    --semantic-bg-green: var(--green-25);
    --neutral-100: #121212;
    --neutral-200: #424242;
    --neutral-300: #616161;
    --neutral-400: #757575;
    --neutral-500: #9e9e9e;
    --neutral-600: #bdbdbd;
    --neutral-700: #e0e0e0;
    --neutral-800: #eeeeee;
    --neutral-900: #f5f5f5;
  }
}
:host([theme='dark']) {
  --semantic-blue: var(--blue-700);
  --semantic-red: var(--red-400);
  --semantic-orange: var(--orange-400);
  --semantic-green: var(--green-700);
  --semantic-bg-blue: var(--blue-25);
  --semantic-bg-red: var(--red-25);
  --semantic-bg-orange: var(--orange-25);
  --semantic-bg-green: var(--green-25);
  --neutral-100: #121212;
  --neutral-200: #424242;
  --neutral-300: #616161;
  --neutral-400: #757575;
  --neutral-500: #9e9e9e;
  --neutral-600: #bdbdbd;
  --neutral-700: #e0e0e0;
  --neutral-800: #eeeeee;
  --neutral-900: #f5f5f5;
}
/* @media (prefers-color-scheme: dark) {
  :host {
      --label-color: #fff;
      --active-label-color: #000;
      --menu-bg: #525252;
      --active-bg: #5898ff;
      --active-bg-dimmed: #5c5c5c;
  }
} */
:host {
  --ui-font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont,
    'Segoe UI', Helvetica, Arial, sans-serif, 'Apple Color Emoji',
    'Segoe UI Emoji', 'Segoe UI Symbol';
  --ui-font-size: 14px;
  --ui-line-height: 1.5;
  --ui-letter-spacing: 0.007em;
  --mono-font-family: 'Berkeley Mono', 'JetBrains Mono', 'IBM Plex Mono',
    'Source Code Pro', Menlo, Monaco, 'Courier New', monospace;
  --ui-layer-1: var(--neutral-100);
  --ui-layer-2: var(--neutral-200);
  --ui-layer-3: var(--neutral-300);
  --ui-layer-4: var(--neutral-400);
  --ui-layer-5: var(--neutral-500);
  --ui-layer-6: var(--neutral-600);
  --ui-border-color: var(--primary-color);
  --ui-border-radius: 4px;
  --ui-text: var(--neutral-900);
  --ui-text-secondary: var(--neutral-700);
  --ui-text-placeholder: var(--neutral-500);
  --ui-text-muted: var(--neutral-300);
  /** A field is a UI element in which a user can type data, for
  * example an input or textarea element.
  */
  --ui-field-bg: var(--neutral-100);
  --ui-field-bg-hover: var(--neutral-100);
  --ui-field-bg-disabled: var(--neutral-300);
  --ui-field-bg-invalid: var(--red-100);
  --ui-field-bg-focus: var(--neutral-100);
  --ui-field-border: 0.5px solid var(--border-color);
  --ui-field-border-hover: 0.5px solid var(--border-color);
  --ui-field-border-disabled: 0.5px solid var(--border-color);
  --ui-field-border-invalid: 0.5px solid var(--border-color);
  --ui-field-border-focus: 0.5px solid var(--border-color);
  --ui-menu-bg: var(--neutral-100);
  --ui-menu-text: var(--neutral-900);
  --ui-menu-bg-hover: var(--neutral-200);
  --ui-menu-text-hover: var(--neutral-900);
  /** The \`active\` state is used for the state of menu items
  * when they are selected.
  */
  --ui-menu-bg-active: var(--primary-color);
  --ui-menu-text-active: var(--primary-color-reverse);
  /** The \`active-muted\` set is used for the state of
  * submenus when they are open.
  */
  --ui-menu-bg-active-muted: var(--neutral-300);
  --ui-menu-text-active-muted: var(--neutral-900);
  /* --ui-menu-shadow: 0 1px 2px 0 rgba(60, 64, 67, 0.302),
0 2px 6px 2px rgba(60, 64, 67, 0.149); */
  --ui-menu-shadow: 0 0 2px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 0, 0, 0.2);
  --ui-menu-divider: 0.5px solid #c7c7c7;
  /* var(--neutral-300); */
  --ui-menu-z-index: 10000;
  --page-bg: var(--neutral-100);
  --content-bg: var(--neutral-200);
}
@media (prefers-color-scheme: dark) {
  :host {
    --ui-menu-bg: var(--neutral-200);
  }
}
:host([theme='dark']) {
  --ui-menu-bg: var(--neutral-200);
}
/* PingFang SC is a macOS font. Microsoft Yahei is a Windows font. 
  Noto  is a Linux/Android font.
*/
:lang(zh-cn),
:lang(zh-sg),
:lang(zh-my),
:lang(zh) {
  --ui-font-family: -apple-system, system-ui, 'PingFang SC', 'Hiragino Sans GB',
    'Noto Sans CJK SC', 'Noto Sans SC', 'Noto Sans', 'Microsoft Yahei UI',
    'Microsoft YaHei New', 'Microsoft Yahei', '\u5FAE\u8F6F\u96C5\u9ED1', SimSun, '\u5B8B\u4F53',
    STXihei, '\u534E\u6587\u7EC6\u9ED1', sans-serif;
}
:lang(zh-tw),
:lang(zh-hk),
:lang(zh-mo) {
  --ui-font-family: -apple-system, system-ui, 'Noto Sans',
    'Microsoft JhengHei UI', 'Microsoft JhengHei', '\u5FAE\u8EDF\u6B63\u9ED1\u9AD4', '\u65B0\u7D30\u660E\u9AD4',
    'PMingLiU', '\u7D30\u660E\u9AD4', 'MingLiU', sans-serif;
}
:lang(ja),
:lang(ja-jp),
:lang(ja-jp-mac) {
  --ui-font-family: -apple-system, system-ui, 'Hiragino Sans',
    'Hiragino Kaku Gothic ProN', 'Noto Sans CJK JP', 'Noto Sans JP', 'Noto Sans',
    '\u6E38\u30B4\u30B7\u30C3\u30AF', '\u6E38\u30B4\u30B7\u30C3\u30AF\u4F53', YuGothic, 'Yu Gothic', '\u30E1\u30A4\u30EA\u30AA', Meiryo,
    '\uFF2D\uFF33 \uFF30\u30B4\u30B7\u30C3\u30AF', 'MS PGothic', sans-serif;
}
:lang(ko),
:lang(ko-kr),
:lang(ko-kr-std) {
  --ui-font-family: -apple-system, system-ui, 'Noto Sans CJK KR', 'Noto Sans KR',
    'Noto Sans', 'Malgun Gothic', '\uB9D1\uC740 \uACE0\uB515', 'Apple SD Gothic Neo',
    '\uC560\uD50C SD \uC0B0\uB3CC\uACE0\uB515 Neo', 'Apple SD \uC0B0\uB3CC\uACE0\uB515 Neo', '\uB3CB\uC6C0', Dotum, sans-serif;
}
:lang(ko-kr-apple) {
  --ui-font-family: -apple-system, system-ui, 'Noto Sans CJK KR', 'Noto Sans KR',
    'Noto Sans', 'Apple SD Gothic Neo', '\uC560\uD50C SD \uC0B0\uB3CC\uACE0\uB515 Neo',
    'Apple SD \uC0B0\uB3CC\uACE0\uB515 Neo', '\uB3CB\uC6C0', Dotum, sans-serif;
}
:lang(zh-cn),
:lang(zh-sg),
:lang(zh-my),
:lang(zh),
:lang(zh-tw),
:lang(zh-hk),
:lang(zh-mo),
:lang(ja),
:lang(ja-jp),
:lang(ja-jp-mac),
:lang(ko),
:lang(ko-kr),
:lang(ko-kr-std),
:lang(ko-kr-apple) {
  --ui-font-size: 1rem;
  --ui-line-height: 1.7;
  --ui-letter-spacing: 0;
}
:dir(rtl) {
  --ui-line-height: auto;
  --ui-letter-spacing: 0;
}
`,Of=`.ui-menu *,
.ui-menu ::before,
.ui-menu ::after {
  box-sizing: border-box;
}
.ui-menu {
  display: none;
  color-scheme: light dark;
  -webkit-user-select: none;
  /* Important: Safari iOS doesn't respect user-select */
  user-select: none;
  cursor: default;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: rgba(0 0 0 0);
  --active-label-color: #fff;
  /* ui-menu-text-active */
  --label-color: #121212;
  /* ui-menu-text */
  --menu-bg: #e2e2e2;
  /* ui-menu-background */
  --active-bg: #5898ff;
  /* ui-menu-background-active */
  --active-bg-dimmed: #c5c5c5;
  /* ui-menu-background-active-muted */
}
/** Use the :where pseudo selector to make the specificity of the
 * selector 0, so that it can be overridden by the user.
 */
:where(.ui-menu-container) {
  position: absolute;
  overflow: visible;
  width: auto;
  height: auto;
  z-index: 10000;
  border-radius: 8px;
  background: var(--ui-menu-bg);
  box-shadow: var(--ui-menu-shadow);
  list-style: none;
  padding: 6px 0 6px 0;
  margin: 0;
  user-select: none;
  cursor: default;
  color: var(--ui-menu-text);
  font-weight: normal;
  font-style: normal;
  text-shadow: none;
  text-transform: none;
  letter-spacing: 0;
  outline: none;
  opacity: 1;
  /* The [popover] elements have a 1px solid black border. Ugh. */
  border: none;
  width: fit-content;
  height: fit-content;
}
:where(.ui-menu-container > li) {
  display: flex;
  flex-flow: row;
  align-items: center;
  padding: 1px 7px 1px 7px;
  margin-top: 0;
  margin-left: 6px;
  margin-right: 6px;
  border-radius: 4px;
  white-space: nowrap;
  position: relative;
  outline: none;
  fill: currentColor;
  user-select: none;
  cursor: default;
  text-align: left;
  color: inherit;
  font-family: var(--ui-font-family);
  font-size: var(--ui-font-size);
  line-height: var(--ui-line-height);
  letter-spacing: var(--ui-letter-spacing);
}
:where(.ui-menu-container > li > .label) {
  appearance: none;
  background: none;
  outline: none;
  width: 100%;
  margin: 0;
  padding: 1px 2px 1px 1px;
  overflow: visible;
  border: 1px solid transparent;
  white-space: nowrap;
  text-align: start;
}
:where(.ui-menu-container > li:has(.heading)) {
  margin-top: 0.5em;
}
:where(.ui-menu-container > li > .label.heading) {
  font-weight: bold;
  opacity: 0.4;
}
:where(.ui-menu-container > li.indent > .label) {
  margin-inline-start: 12px;
}
:where(.ui-menu-container > li > .label.indent) {
  margin-inline-start: 12px;
}
:where(.ui-menu-container > li[role='divider']) {
  border-bottom: 1px solid var(--ui-menu-divider);
  border-radius: 0;
  padding: 0;
  margin-left: 15px;
  margin-right: 15px;
  padding-top: 5px;
  margin-bottom: 5px;
  width: calc(100% - 30px);
  /** 100% - (margin-left + margin-right) */
}
:where(.ui-menu-container > li[aria-disabled='true']) {
  opacity: 0.5;
}
:where(.ui-menu-container > li.active) {
  background: var(--ui-menu-bg-active);
  background: -apple-system-control-accent;
  color: var(--ui-menu-text-active);
}
:where(.ui-menu-container > li.active.is-submenu-open) {
  background: var(--ui-menu-bg-active-muted);
  color: inherit;
}
:where(.ui-menu-container > li[aria-haspopup='true'] > .label) {
  padding-inline-end: 0;
}
:where(.ui-menu-container > li[aria-haspopup='true'].active::after) {
  color: var(--ui-menu-text-active);
}
/** Keyboard shortcut */
:where(.ui-menu-container > li > kbd) {
  font-family: var(--ui-font-family);
  margin-inline-start: 12px;
  opacity: 0.4;
}
:where(.ui-menu-container > li.active > kbd) {
  opacity: 0.85;
}
.ui-trailing-chevron {
  display: flex;
  margin-inline-start: 24px;
  width: 10px;
  height: 10px;
  margin-bottom: 4px;
}
.ui-trailing-chevron:dir(rtl) {
  transform: scaleX(-1);
}
.ui-checkmark {
  display: flex;
  margin-inline-end: -11px;
  margin-inline-start: -4px;
  margin-top: 2px;
  width: 16px;
  height: 16px;
}
.ui-mixedmark {
  display: flex;
  margin-inline-end: -11px;
  margin-inline-start: -4px;
  margin-top: 2px;
  width: 16px;
  height: 16px;
}
`,oc;function Dc(e){let t="";switch(e){case"mathfield-element":t=`
    :host { display: inline-block; background-color: field; color: fieldtext; border-width: 1px; border-style: solid; border-color: #acacac; border-radius: 2px; padding:4px;}
    :host([hidden]) { display: none; }
    :host([disabled]), :host([disabled]:focus), :host([disabled]:focus-within) { outline: none; opacity:  .5; }
    :host(:focus), :host(:focus-within) {
      outline: Highlight auto 1px;    /* For Firefox */
      outline: -webkit-focus-ring-color auto 1px;
    }
    :host([readonly]:focus), :host([readonly]:focus-within),
    :host([read-only]:focus), :host([read-only]:focus-within) {
      outline: none;
    }
    @media (hover: none) and (pointer: coarse) {
      :host(:not(:focus)) :first-child { pointer-events: none !important; }
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s=e[i];s.type==="middle"?(e[i]=t.bind(r,Nc("inner",s.value,n,a,r,{isSelected:t.isSelected})),e[i].caret=s.caret,e[i].isSelected=s.isSelected,e[i].cssId=s.cssId,e[i].htmlData=s.htmlData,e[i].htmlStyle=s.htmlStyle,e[i].attributes=s.attributes,e[i].cssProperties=s.cssProperties):s.children&&o(s.children,t,r,n,a)}}var l=class up extends De{constructor(t,r){var n;super({type:"macro",command:t,style:r.style}),this.body=r.body,r.captureSelection===void 0?r.args?this.captureSelection=!1:this.captureSelection=!0:this.captureSelection=r.captureSelection,this.macroArgs=r.args,this.expand=(n=r.expand)!=null?n:!1}static fromJson(t){return new up(t.command,t)}toJson(){const t=super.toJson();return this.expand&&(t.expand=!0),this.captureSelection!==void 0&&(t.captureSelection=this.captureSelection),this.macroArgs&&(t.args=this.macroArgs),t}_serialize(t){var r;return t.expandMacro&&this.expand?this.bodyToLatex(t):this.command+((r=this.macroArgs)!=null?r:"")}render(t){const r=De.createBox(t,this.body);return r?(this.caret&&(r.caret=this.caret),this.bind(t,r)):null}},c=class dp extends De{constructor(){super({type:"macro-argument"})}static fromJson(t){return new dp}toJson(){return super.toJson()}_serialize(t){return""}render(t){return null}},f=class fp extends De{constructor(t,r,n=!1,a,i){var s;super({type:"prompt",mode:(s=i==null?void 0:i.mode)!=null?s:"math",style:i==null?void 0:i.style,command:"\\placeholder"}),this.body=a,this.correctness=r,this.placeholderId=t,this.locked=n,this.captureSelection=this.locked}static fromJson(t){return new fp(t.placeholderId,t.correctness,t.locked,t.body,t)}toJson(){const t=super.toJson();return this.placeholderId&&(t.placeholderId=this.placeholderId),this.body||delete t.body,this.body&&(t.body=this.body.filter(r=>r.type!=="first").map(r=>r.toJson())),this.correctness&&(t.correctness=this.correctness),t.locked=this.locked,t}render(t){const r=new yr({parent:t}),n=r.getRegisterAsEm("fboxsep"),a=n,i=n,s=De.createBox(t,this.body);if(!s)return null;s.height||(s.height=r.metrics.xHeight),s.setStyle("vertical-align",-s.height,"em"),this.correctness==="correct"?s.setStyle("color","var(--correct-color, var(--ML__correct-color))"):this.correctness==="incorrect"&&s.setStyle("color","var(--incorrect-color, var(--ML__incorrect-color))");const u=new Je(s,{type:"ord"});u.setStyle("display","inline-block"),u.setStyle("height",s.height+s.depth,"em"),u.setStyle("vertical-align",-i,"em");let d="ML__prompt ";this.locked?d+=" ML__lockedPromptBox ":d+=" ML__editablePromptBox ",this.correctness==="correct"?d+=" ML__correctPromptBox ":this.correctness==="incorrect"&&(d+=" ML__incorrectPromptBox "),this.containsCaret&&(d+=" ML__focusedPromptBox ");const h=new Je(null,{classes:d,attributes:{part:"prompt"}});h.height=u.height+i,h.depth=u.depth+i,h.width=u.width+2*a,h.setStyle("box-sizing","border-box"),h.setStyle("position","absolute"),h.setStyle("height",u.height+u.depth+2*i,"em"),a===0&&h.setStyle("width","100%"),a!==0&&(h.setStyle("width",`calc(100% + ${2*a}em)`),h.setStyle("top",n,"em"),h.setStyle("left",-a,"em")),(!this.body||this.body.length===1)&&(h.width=3*a,h.setStyle("width",`calc(100% + ${3*a}em)`),h.setStyle("left",-1.5*a,"em"));let v="";this.correctness==="incorrect"&&(v+='<line x1="3%"  y1="97%" x2="97%" y2="3%" stroke-width="0.5" stroke="var(--incorrect-color, var(--ML__incorrect-color))" stroke-linecap="round" />'),v&&(h.svgOverlay=v);const k=new Je([h,u],{classes:"ML__prompt-atom"});return k.setStyle("position","relative"),k.setStyle("display","inline-block"),k.setStyle("line-height",0),k.height=u.height+i+.2,k.depth=u.depth+i,k.left=a,k.right=a,k.setStyle("height",u.height+i,"em"),k.setStyle("top",u.depth-u.height,"em"),k.setStyle("vertical-align",u.depth+i,"em"),k.setStyle("margin-left",.5,"em"),k.setStyle("margin-right",.5,"em"),this.caret&&(k.caret=this.caret),this.bind(r,this.attachSupsub(t,{base:k}))}_serialize(t){var r;const n=(r=this.bodyToLatex(t))!=null?r:"";if(t.skipPlaceholders)return n;let a="\\placeholder";return this.placeholderId&&(a+=`[${this.placeholderId}]`),this.correctness==="correct"?a+="[correct]":this.correctness==="incorrect"&&(a+="[incorrect]"),this.locked&&(a+="[locked]"),Er(a,n)}},g=class hp extends De{constructor(t){super({type:"subsup",style:t==null?void 0:t.style}),this.subsupPlacement="auto"}static fromJson(t){const r=new hp(t);for(const n of El)t[n]&&r.setChildren(t[n],n);return r}render(t){var r;const n=new yr({parent:t,isPhantom:!0}),a=this.leftSibling,i=(r=a.render(n))!=null?r:new Je(null),s=new Je(null);return s.height=i.height,s.depth=i.depth,this.attachSupsub(t,{base:s,isCharacterBox:a.isCharacterBox(),type:"ignore"})}_serialize(t){return this.supsubToLatex(t)}};function b(e){return e?!/^(<$$>|<$>|<space>|<{>|<}>|#[0-9\?]|\\.+)$/.test(e):!1}var S=class{constructor(e,t,r){this.errors=[],this.index=0,this.endCount=0;var n,a,i,s;r!=null||(r={}),this.tokens=e,this.context=t instanceof yr&&!(r!=null&&r.parseMode)&&!r.mathstyle?t:new yr({from:t,mathstyle:r.mathstyle},r.style),this.args=(n=r.args)!=null?n:void 0,this.smartFence=this.context.smartFence,this.parsingContext={parent:void 0,mathlist:[],style:(a=r.style)!=null?a:{},parseMode:(i=r.parseMode)!=null?i:"math",mathstyle:(s=r.mathstyle)!=null?s:"displaystyle",tabular:!1}}beginContext(e){var t,r,n;const a=this.parsingContext,i={parent:a,mathlist:[],style:C({},a.style),parseMode:(t=e==null?void 0:e.mode)!=null?t:a.parseMode,mathstyle:(r=e==null?void 0:e.mathstyle)!=null?r:a.mathstyle,tabular:(n=e==null?void 0:e.tabular)!=null?n:!1};this.parsingContext=i}endContext(){this.parsingContext=this.parsingContext.parent}onError(e){this.errors.push(C({before:ts(this.tokens.slice(this.index,this.index+10)),after:ts(this.tokens.slice(Math.max(0,this.index-10),this.index))},e))}get mathlist(){return this.parsingContext.mathlist}set mathlist(e){this.parsingContext.mathlist=e}get parseMode(){return this.parsingContext.parseMode}set parseMode(e){this.parsingContext.parseMode=e}get tabularMode(){return this.parsingContext.tabular}get style(){let e=this.parsingContext;for(;e;){if(e.style)return C({},e.style);e=e.parent}return{}}set style(e){this.parsingContext.style=e}end(){return this.endCount++,this.index>=this.tokens.length||this.endCount>1e3}next(){this.index+=1}get(){return this.endCount=0,this.index<this.tokens.length?this.tokens[this.index++]:""}peek(){return this.tokens[this.index]}match(e){return this.tokens[this.index]===e?(this.index++,!0):!1}lastSubsupAtom(){let e;return this.mathlist.length>0&&(e=this.mathlist[this.mathlist.length-1],e.type==="subsup"||e.subsupPlacement!==void 0)||(e=new g({style:this.style}),this.mathlist.push(e)),e}hasPattern(e){return e.test(this.tokens[this.index])}hasInfixCommand(){var e;const{index:t}=this;if(t<this.tokens.length&&this.tokens[t].startsWith("\\")){const r=un(this.tokens[t],this.parseMode);return!r||r.definitionType==="symbol"||r.ifMode&&!r.ifMode.includes(this.parseMode)?!1:(e=r.infix)!=null?e:!1}return!1}matchColumnSeparator(){return!this.tabularMode||this.peek()!=="&"?!1:(this.index++,!0)}matchRowSeparator(){if(!this.tabularMode)return!1;const e=this.peek();return e!=="\\\\"&&e!=="\\cr"&&e!=="\\tabularnewline"?!1:(this.index++,!0)}placeholder(){var e;const t=(e=this.args)==null?void 0:e.call(this,"?");return t?E(t,{parseMode:this.parseMode,mathstyle:"textstyle"}):[new Yl({mode:this.parseMode,style:this.style})]}skipWhitespace(){for(;this.match("<space>"););}skipUntilToken(e){let t=this.tokens[this.index];for(;t&&t!==e;)t=this.tokens[++this.index];t===e&&this.index++}skipFiller(){for(;this.match("\\relax")||this.match("<space>"););}matchKeyword(e){const t=this.index;let r=this.end(),n="";for(;!r;){const i=this.get();b(i)?(n+=i,r=this.end()||n.length>=e.length):r=!0}const a=e.toUpperCase()===n.toUpperCase();return a||(this.index=t),a}scanString(){let e="";for(;!this.end();){const t=this.peek();if(t==="]")return e;if(t==="<space>")e+=" ";else if(t.startsWith("\\"))this.onError({code:"unexpected-command-in-string"}),e+=t.substring(1);else if(b(t))e+=t;else return e;this.next()}return e}scanBalancedString(){let e="",t=this.end(),r=1;for(;!t;){const n=this.get();n==="<space>"?e+=" ":n==="<{>"?(e+="{",r+=1):n==="<}>"?(r-=1,r>0?e+="}":this.index-=1):n==="<$>"?e+="$":n==="<$$>"?e+="$$":e+=n,t=r===0||this.end()}return e}scanLiteralGroup(){var e;if(!this.match("<{>"))return"";let t="",r=1;for(;r>0&&!this.end();){const n=this.get();n==="<}>"?(r-=1,r>0&&(t+="}")):n==="<{>"?(r+=1,t+="{"):(/\\[a-zA-Z]+$/.test(t)&&/^[a-zA-Z]/.test(n)&&(t+=" "),t+=(e={"<space>":" ","<$$>":"$$","<$>":"$"}[n])!=null?e:n)}return t}scanNumber(e=!0){var t,r;let n=!1,a=this.peek();for(;a==="<space>"||a==="+"||a==="-";)this.get(),a==="-"&&(n=!n),a=this.peek();e=!!e;let i=10,s=/\d/;if(this.match("'"))i=8,s=/[0-7]/,e=!0;else if(this.match('"'))i=16,s=/[\dA-F]/,e=!0;else if(this.match("x"))i=16,s=/[\dA-Fa-f]/,e=!0;else if(this.match("`"))return a=this.get(),a?a.length===2&&a.startsWith("\\")?{number:(n?-1:1)*((t=a.codePointAt(1))!=null?t:0),base:"alpha"}:{number:(n?-1:1)*((r=a.codePointAt(0))!=null?r:0),base:"alpha"}:null;let u="";for(;this.hasPattern(s);)u+=this.get();if(!e&&(this.match(".")||this.match(",")))for(u+=".";this.hasPattern(s);)u+=this.get();const d=e?Number.parseInt(u,i):Number.parseFloat(u);return Number.isNaN(d)?null:{number:n?-d:d,base:i===16?"hexadecimal":i===8?"octal":"decimal"}}scanRegister(){var e;const t=this.index,r=this.scanNumber(!1);if(this.skipWhitespace(),this.match("\\relax"))return r;let n=!1;if(r===null)for(;;){const i=this.peek();if(i==="-")n=!n;else if(i!=="+")break;this.next(),this.skipWhitespace()}if(this.match("\\global")){this.skipWhitespace();const i=this.get();return i.startsWith("\\")?r?{register:i,global:!0,factor:(n?-1:1)*r.number}:n?{register:i,global:!0,factor:-1}:{register:i,global:!0}:(this.index=t,null)}let a=this.get();return a!=null&&a.startsWith("\\")?(a=a.substring(1),this.context.registers[a]?!n||r!==null?{register:a,factor:(n?-1:1)*((e=r==null?void 0:r.number)!=null?e:1)}:{register:a}:(this.index=t,null)):(this.index=t,null)}scanValue(){const e=this.scanRegister();if(e)return e;const t=this.index,r=this.scanGlueOrDimen();if(r&&("unit"in r||"glue"in r&&"unit"in r.glue))return r;this.index=t;const n=this.scanNumber();if(n)return n;if(this.end()||!b(this.peek()))return null;const a=this.scanString();return a.length>0?{string:a}:null}scanDimen(){const e=this.scanNumber(!1);if(e===null)return null;const t=e.number;this.skipWhitespace(),this.matchKeyword("true"),this.skipWhitespace();let r;return this.matchKeyword("pt")?r="pt":this.matchKeyword("mm")?r="mm":this.matchKeyword("cm")?r="cm":this.matchKeyword("ex")?r="ex":this.matchKeyword("px")?r="px":this.matchKeyword("em")?r="em":this.matchKeyword("bp")?r="bp":this.matchKeyword("dd")?r="dd":this.matchKeyword("pc")?r="pc":this.matchKeyword("in")?r="in":this.matchKeyword("mu")&&(r="mu"),r?{dimension:t,unit:r}:{dimension:t}}scanGlueOrDimen(){const e=this.scanDimen();if(e===null)return null;if(this.skipWhitespace(),this.match("\\relax"))return e;const t={glue:e};if(this.matchKeyword("plus")){const r=this.scanDimen();if(r)t.grow=r;else return t}if(this.skipWhitespace(),this.match("\\relax"))return t;if(this.skipWhitespace(),this.matchKeyword("minus")){const r=this.scanDimen();if(r)t.shrink=r;else return t}return!t.grow&&!t.shrink?e:t}scanColspec(){this.skipWhitespace();const e=[];for(;!this.end()&&!(this.peek()==="<}>"||this.peek()==="]");){const t=this.get();t==="c"||t==="r"||t==="l"?e.push({align:t}):t==="|"?e.push({separator:"solid"}):t===":"?e.push({separator:"dashed"}):t==="@"&&(this.match("<{>")&&(this.beginContext({mode:"math"}),e.push({gap:this.scan(r=>r==="<}>")}),this.endContext()),this.match("<}>")||this.onError({code:"unbalanced-braces"}))}return e}scanModeSet(){let e;if(this.match("\\(")&&(e="textstyle"),!e&&this.match("\\[")&&(e="displaystyle"),!e)return null;this.beginContext({mode:"math",mathstyle:e});const t=this.scan(r=>r===(e==="displaystyle"?"\\]":"\\)"));return this.match(e==="displaystyle"?"\\]":"\\)")||this.onError({code:"unbalanced-mode-shift"}),this.endContext(),t}scanModeShift(){let e="";if(this.match("<$>")&&(e="<$>"),!e&&this.match("<$$>")&&(e="<$$>"),!e)return null;this.beginContext({mode:"math",mathstyle:"textstyle"});const t=this.scan(r=>r===e);return this.match(e)||this.onError({code:"unbalanced-mode-shift"}),this.endContext(),t}scanEnvironment(){if(!this.match("\\begin"))return null;const e=this.scanArgument("string");if(!e)return null;const t=xe(e);if(!t)return this.onError({code:"unknown-environment",arg:e}),null;const r=[];if(t.params)for(const u of t.params)if(u.isOptional)r.push(this.scanOptionalArgument(u.type));else{const d=this.scanArgument(u.type);d||this.onError({code:"missing-argument",arg:e}),r.push(d)}this.beginContext({tabular:t.tabular});const n=[],a=[];let i=[],s=!1;do if(this.end()&&(this.onError({code:"unbalanced-environment",arg:e}),s=!0),!s&&this.match("\\end")&&(this.scanArgument("string")!==e&&this.onError({code:"unbalanced-environment",arg:e}),s=!0),!s)if(this.matchColumnSeparator())i.push(this.mathlist),this.mathlist=[];else if(this.matchRowSeparator()){i.push(this.mathlist),this.mathlist=[];let u=null;this.skipWhitespace(),this.match("[")&&(u=this.scanDimen(),this.skipWhitespace(),this.match("]")),a.push(u!=null?u:{dimension:0}),n.push(i),i=[]}else this.mathlist.push(...this.scan(u=>["<}>","&","\\end","\\cr","\\\\","\\tabularnewline"].includes(u)));while(!s);return i.push(this.mathlist),i.length>0&&n.push(i),this.endContext(),t.createAtom(e,n,a,r)}scanExpression(){const e=this.mathlist;if(this.mathlist=[],this.parseExpression()){const t=this.mathlist;return this.mathlist=e,t}return this.mathlist=e,null}scan(e){this.beginContext(),e||(e=s=>s==="<}>");let t="",r=null,n=[],a=null;for(;!this.end()&&!e(this.peek());)this.hasInfixCommand()&&!t?(t=this.get(),r=un(t,"math"),r&&(n=this.scanArguments(r)[1]),a=this.mathlist,this.mathlist=[]):this.parseExpression();let i;return t?(console.assert(!!r),n.unshift(this.mathlist),a&&n.unshift(a),i=[r.createAtom({command:t,args:n,style:this.style,mode:this.parseMode})]):i=this.mathlist,this.endContext(),i}scanGroup(){const e=this.index;if(!this.match("<{>"))return null;const t=this.scan(n=>n==="<}>");this.match("<}>")||this.onError({code:"unbalanced-braces"});const r=new zd(t,this.parseMode,this.style);return r.verbatimLatex=ts(this.tokens.slice(e,this.index)),r}scanSmartFence(){if(this.skipWhitespace(),!this.match("("))return null;this.beginContext();let e=1;for(;!this.end()&&e!==0;)this.match("(")&&(e+=1),this.match(")")&&(e-=1),e!==0&&this.parseExpression();const t=new Ti("",this.mathlist,{leftDelim:"(",rightDelim:e===0?")":"?"});return this.endContext(),t}scanDelim(){this.skipWhitespace();const e=this.peek();if(!e)return this.onError({code:"unexpected-end-of-string"}),null;if(!b(e)&&!e.startsWith("\\"))return null;this.next();const t=un(e,"math");return t?t.definitionType==="function"&&t.ifMode&&!t.ifMode.includes(this.parseMode)?(this.onError({code:"unexpected-delimiter",arg:e}),null):t.definitionType==="symbol"&&(t.type==="mopen"||t.type==="mclose")||/^(\.|\?|\||<|>|\\vert|\\Vert|\\\||\\surd|\\uparrow|\\downarrow|\\Uparrow|\\Downarrow|\\updownarrow|\\Updownarrow|\\mid|\\mvert|\\mVert)$/.test(e)?e:(this.onError({code:"unexpected-delimiter",arg:e}),null):(this.onError({code:"unknown-command",arg:e}),null)}scanLeftRight(){var e;if(this.match("\\right"))return this.onError({code:"unbalanced-braces"}),new Lc("\\right");if(this.match("\\mright"))return this.onError({code:"unbalanced-braces"}),new Lc("\\mright");let t="\\right";if(!this.match("\\left")){if(!this.match("\\mleft"))return null;t="\\mright"}const r=this.scanDelim();if(!r)return this.onError({code:"unexpected-delimiter"}),new Lc(t==="\\right"?"\\left":"\\mleft");for(this.beginContext();!this.end()&&!this.match(t);)this.parseExpression();const n=this.mathlist;this.endContext();const a=(e=this.scanDelim())!=null?e:".";return new Ti(t==="\\right"?"left...right":"mleft...mright",n,{leftDelim:r,rightDelim:a,style:this.style})}parseSupSub(){if(this.parseMode!=="math")return!1;let e=this.peek();if(e!=="^"&&e!=="_"&&e!=="'")return!1;const t=this.lastSubsupAtom();for(;e==="^"||e==="_"||e==="'";)this.match("'")?this.match("'")?t.addChild(new De({type:"mord",command:"\\doubleprime",mode:"math",value:"\u2032\u2032"}),"superscript"):t.addChild(new De({type:"mord",command:"\\prime",mode:"math",value:"\u2032"}),"superscript"):(this.match("^")||this.match("_"))&&t.addChildren(ke(this.scanArgument("expression")),e==="_"?"subscript":"superscript"),e=this.peek();return!0}parseLimits(){if(this.parseMode!=="math")return!1;const e=this.match("\\limits"),t=!e&&this.match("\\nolimits"),r=!t&&!e&&this.match("\\displaylimits");if(!e&&!t&&!r)return!1;const n=this.mathlist.length>0?this.mathlist[this.mathlist.length-1]:null;return 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Je([pt,pe,Ve],{isTight:a.isTight,type:"inner",classes:"mfrac"}),mr=this.bind(t,Vt);return this.caret&&(mr.caret=this.caret),this.attachSupsub(t,{base:mr})}},hr=class yp extends De{constructor(t,r){var n;super({type:"latex",value:t,mode:"latex"}),this.isSuggestion=(n=r==null?void 0:r.isSuggestion)!=null?n:!1,this.isError=!1}static fromJson(t){const r=new yp(t.value);return t.isSuggestion&&(r.isSuggestion=!0),t.isError&&(r.isError=!0),r}toJson(){const t={};return this.isSuggestion&&(t.isSuggestion=!0),this.isError&&(t.isError=!0),C({type:"latex",value:this.value},t)}get computedStyle(){return{}}render(t){const r=new Je(this.value,{classes:this.isSuggestion?"ML__suggestion":this.isError?"ML__error":"",type:"latex",maxFontSize:1});return r?(this.caret&&(r.caret=this.caret),this.bind(t,r)):null}},yn=class xp extends De{constructor(t){super({type:"latexgroup",mode:"latex"}),this.body=[...t].map(r=>new hr(r)),this.skipBoundary=!1}static fromJson(t){return new xp("")}toJson(){return super.toJson()}render(t){const r=De.createBox(t,this.body);return r?(this.caret&&(r.caret=this.caret),this.bind(t,r)):null}_serialize(t){var r,n;return(n=(r=this.body)==null?void 0:r.map(a=>a.value).join(""))!=null?n:""}},Hi=class wp extends De{constructor(t,r){super(p(C({},r),{type:"extensible-symbol",isFunction:r==null?void 0:r.isFunction})),this.value=t,this.variant=r==null?void 0:r.variant,this.subsupPlacement=r==null?void 0:r.limits}static fromJson(t){return new wp(t.symbol,t)}toJson(){const t=super.toJson();return this.variant&&(t.variant=this.variant),this.subsupPlacement&&(t.limits=this.subsupPlacement),this.isExtensibleSymbol&&(t.isExtensibleSymbol=!0),this.value&&(t.symbol=this.value),t}render(t){var r;const n=t.isDisplayStyle&&this.value!=="\\smallint",a=new Je(this.value,{fontFamily:n?"Size2-Regular":"Size1-Regular",classes:"op-symbol "+(n?"large-op":"small-op"),type:"op",maxFontSize:t.scalingFactor,isSelected:this.isSelected});if(!a)return null;a.right=a.italic;const 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a=null;this.svgAbove?a=Gn(this.svgAbove):this.above&&(a=De.createBox(n,this.above,{type:"ignore"}));let i=null;this.svgBelow?i=Gn(this.svgBelow):this.below&&(i=De.createBox(n,this.below,{type:"ignore"})),this.paddedBody&&(r=new Je([lc(t,"open"),r,lc(t,"close")],{type:"ignore"}));let s=rs(t,{base:r,above:a,below:i,type:this.boxType==="bin"||this.boxType==="rel"?this.boxType:"ord",paddedAboveBelow:this.paddedLabels});return s?(this.subsupPlacement==="over-under"?s=this.attachLimits(t,{base:s,type:s.type}):s=this.attachSupsub(t,{base:s}),this.caret&&(s.caret=this.caret),this.bind(t,s)):null}};function rs(e,t){if(!t.base)return null;if(!t.above&&!t.below){const u=new Je(t.base,{type:t.type});return u.setStyle("position","relative"),u}let r=0;t.above&&(r=e.metrics.bigOpSpacing5);let n=null;const a=t.base,i=0,s=["ML__center"];if(t.paddedAboveBelow&&s.push("ML__label_padding"),t.below&&t.above){const u=e.metrics.bigOpSpacing5+t.below.height+t.below.depth+a.depth+i;n=new _a({bottom:u,children:[e.metrics.bigOpSpacing5,{box:t.below,classes:s},{box:a,classes:["ML__center"]},r,{box:t.above,classes:s},e.metrics.bigOpSpacing5]})}else t.below?n=new _a({top:a.height-i,children:[e.metrics.bigOpSpacing5,{box:t.below,classes:s},{box:a,classes:["ML__center"]}]}):t.above&&(n=new _a({bottom:a.depth+i,children:[{box:a,classes:["ML__center"]},r,{box:t.above,classes:s},e.metrics.bigOpSpacing5]}));return new Je(n,{type:t.type})}var Ao=class Mp extends De{constructor(t){var r,n,a,i;super(p(C({},t),{type:"phantom"})),this.captureSelection=!0,this.isInvisible=(r=t.isInvisible)!=null?r:!1,this.smashDepth=(n=t.smashDepth)!=null?n:!1,this.smashHeight=(a=t.smashHeight)!=null?a:!1,this.smashWidth=(i=t.smashWidth)!=null?i:!1}static fromJson(t){return new Mp(t)}toJson(){const t={};return this.isInvisible&&(t.isInvisible=!0),this.smashDepth&&(t.smashDepth=!0),this.smashHeight&&(t.smashHeight=!0),this.smashWidth&&(t.smashWidth=!0),C(C({},super.toJson()),t)}render(t){const r=new yr({parent:t,isPhantom:!0});if(!this.smashDepth&&!this.smashHeight&&!this.smashWidth)return console.assert(this.isInvisible),De.createBox(r,this.body,{classes:"inner"});const n=De.createBox(this.isInvisible?r:t,this.body);if(!n)return null;if(this.smashWidth){const a=new Je(null,{classes:"fix"});return new Je([n,a],{classes:"rlap"}).wrap(t)}if(!this.smashHeight&&!this.smashDepth)return n;if(this.smashHeight&&(n.height=0),this.smashDepth&&(n.depth=0),n.children)for(const a of n.children)this.smashHeight&&(a.height=0),this.smashDepth&&(a.depth=0);return new _a({firstBaseline:[{box:n}]},{type:n.type}).wrap(t)}},Us=class Cp extends De{constructor(t){var r;super(C({type:"spacing"},t)),this.width=t==null?void 0:t.width,this._braced=(r=t==null?void 0:t.braced)!=null?r:!1}static fromJson(t){return new Cp(t)}toJson(){const t=super.toJson();return this.width!==void 0&&(t.width=this.width),this._braced&&(t.braced=!0),t}render(t){var r;if(this.command==="space")return new 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this.explicitSubsupPlacement&&(this.subsupPlacement==="over-under"&&n.push("\\limits"),this.subsupPlacement==="adjacent"&&n.push("\\nolimits"),this.subsupPlacement==="auto"&&n.push("\\displaylimits")),n.push(this.supsubToLatex(t)),Xt(n)}};function js(e){if(T(e))return e.map(n=>js(n));if(typeof e=="string")return De.fromJson(e);e=C({},e);for(const n of El)e[n]&&(e[n]=js(e[n]));e.args&&(e.args=xu(e.args)),e.array&&(e.array=js(e.array));const t=e.type;let r;t==="accent"&&(r=pu.fromJson(e)),t==="array"&&(r=Ba.fromJson(e)),t==="box"&&(r=cc.fromJson(e)),t==="chem"&&(r=Z.fromJson(e)),t==="composition"&&(r=Fd.fromJson(e)),t==="delim"&&(r=he.fromJson(e)),t==="enclose"&&(r=ht.fromJson(e)),t==="error"&&(r=Lc.fromJson(e)),t==="extensible-symbol"&&(r=Hi.fromJson(e)),t==="genfrac"&&(r=Wr.fromJson(e)),t==="group"&&(r=zd.fromJson(e)),t==="latex"&&(r=hr.fromJson(e)),t==="latexgroup"&&(r=yn.fromJson(e)),t==="leftright"&&(r=Ti.fromJson(e)),t==="macro"&&(r=l.fromJson(e)),t==="macro-argument"&&(r=c.fromJson(e)),t==="operator"&&(r=Es.fromJson(e)),t==="overlap"&&(r=xn.fromJson(e)),t==="overunder"&&(r=Ma.fromJson(e)),t==="placeholder"&&(r=Yl.fromJson(e)),t==="prompt"&&(r=f.fromJson(e)),t==="phantom"&&(r=Ao.fromJson(e)),t==="sizeddelim"&&(r=it.fromJson(e)),t==="spacing"&&(r=Us.fromJson(e)),t==="subsup"&&(r=g.fromJson(e)),t==="surd"&&(r=gl.fromJson(e)),t==="text"&&(r=Vc.fromJson(e)),t==="tooltip"&&(r=Hl.fromJson(e)),r||(console.assert(!t||["first","mbin","mrel","mclose","minner","mop","mopen","mord","mpunct","root","space"].includes(t),`MathLive 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e.currentLayer=e.latentLayer,t}function Tm(e,t,r){const n=[];if(!("layers"in t))return"";for(const a of t.layers)n.push(`<div tabindex="-1" class="MLK__layer" id="${a.id}">`),(e.normalizedLayouts.length>1||t.displayEditToolbar)&&(n.push("<div class='MLK__toolbar' role='toolbar'>"),n.push(Mm(e,r)),t.displayEditToolbar&&n.push('<div class="ML__edit-toolbar right"></div>'),n.push("</div>")),n.push(Bm(e,a)),n.push("</div>");return n.join("")}function Bm(e,t){if(typeof t=="string")return t;let r="";if(typeof t.style=="string"?r+=`<style>${t.style}</style>`:typeof t.style=="object"&&(r+=`<style>${Sm(t.style)}</style>`),t.backdrop&&(r+=`<div class='${t.backdrop}'>`),t.container&&(r+=`<div class='${t.container}'>`),t.rows){r+="<div class=MLK__rows>";for(const n of t.rows){r+="<div dir='ltr' class=MLK__row>";for(const a of n)if(a){const i=e.registerKeycap(a),[s,u]=tf(a);/(^|\s)separator/.test(u)?r+=`<div class="${u}"`:r+=`<div tabindex="-1" id="${i}" class="${u}"`,a.tooltip&&(r+=` data-tooltip="${a.tooltip}"`),r+=`>${s}</div>`}r+="</div>"}r+="</div>"}else t.markup&&(r+=t.markup);return t.container&&(r+="</div>"),t.backdrop&&(r+="</div>"),r}function tf(e,t={shifted:!1}){var r,n,a,i,s,u,d;let h="",v=(r=e.class)!=null?r:"";if(t.shifted&&Iu(e)&&(v+=" is-active"),t.shifted&&"shift"in e)typeof e.shift=="string"?h=id(e.shift):typeof e.shift=="object"&&(h=e.shift.label?e.shift.label:(n=id(e.shift.latex||e.shift.insert||"")||e.shift.key)!=null?n:""),typeof e.shift=="object"&&(v=(i=(a=e.shift.class)!=null?a:e.class)!=null?i:"");else{if(h=e.label?e.label:(s=id(e.latex||e.insert||"")||e.key)!=null?s:"",e.shift){let k;typeof e.shift=="string"?k=id(e.shift):e.shift.label?k=e.shift.label:k=(u=id(e.shift.latex||e.shift.insert||"")||e.shift.key)!=null?u:"",h+=`<span class="MLK__shift">${k}</span>`}e.aside&&(h+=`<aside>${e.aside}</aside>`)}return e.layer&&!/layer-switch/.test(v)&&(v+=" layer-switch"),/(^|\s)(separator|action|shift|fnbutton|bigfnbutton)($|\s)/.test(v)||(v+=" 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e&&e.key&&eu[e.key]&&(r=p(C(C({},eu[e.key]),e),{key:eu[e.key].key})),r?(r.command==="insertDecimalSeparator"&&(r.label=(t=window.MathfieldElement.decimalSeparator)!=null?t:"."),e.label==="[action]"&&(r=C(C({},r),window.mathVirtualKeyboard.actionKeycap)),e.label==="[shift]"&&(r=C(C({},r),window.mathVirtualKeyboard.shiftKeycap)),e.label==="[backspace]"&&(r=C(C({},r),window.mathVirtualKeyboard.backspaceKeycap)),e.label==="[tab]"&&(r=C(C({},r),window.mathVirtualKeyboard.tabKeycap)),r):e}var sd;function Pm(e){var t;if(e.button!==0)return;const r=zc.singleton;if(!r)return;let n=e.target;for(;n&&!n.getAttribute("data-layer");)n=n.parentElement;if(n){r.currentLayer=(t=n.getAttribute("data-layer"))!=null?t:"",e.preventDefault();return}const a=Lu(e.target);if(!(a!=null&&a.id))return;const i=r.getKeycap(a.id);if(!i)return;console.assert(e.type==="pointerdown");const s=new AbortController,u=s.signal;a.classList.add("is-pressed"),a.addEventListener("pointerenter",rf(s),{capture:!0,signal:u}),a.addEventListener("pointerleave",rf(s),{capture:!0,signal:u}),a.addEventListener("pointercancel",rf(s),{signal:u}),a.addEventListener("pointerup",rf(s),{signal:u}),Iu(i)&&(a.classList.add("is-active"),r.shiftPressCount++),i.variants&&(sd&&clearTimeout(sd),sd=setTimeout(()=>{a.classList.contains("is-pressed")&&(a.classList.remove("is-pressed"),a.classList.add("is-active"),e.target&&"releasePointerCapture"in e.target&&e.target.releasePointerCapture(e.pointerId),Q0(a,()=>{s.abort(),a==null||a.classList.remove("is-active")}))},300)),e.preventDefault()}function rf(e){return t=>{const r=Lu(t.target);if(!(r!=null&&r.id))return;const n=zc.singleton;if(!n)return;const a=n.getKeycap(r.id);if(a){if(t.type==="pointerenter"&&t.target===r&&t.isPrimary&&r.classList.add("is-pressed"),t.type==="pointercancel"){r.classList.remove("is-pressed"),Iu(a)&&(n.shiftPressCount--,r.classList.toggle("is-active",n.isShifted)),e.abort();return}if(t.type==="pointerleave"&&t.target===r){r.classList.remove("is-pressed"),Iu(a)&&(n.shiftPressCount--,r.classList.toggle("is-active",n.isShifted));return}if(t.type==="pointerup"){sd&&clearTimeout(sd),Iu(a)?r.classList.toggle("is-active",n.isShifted):r.classList.contains("is-pressed")&&(r.classList.remove("is-pressed"),n.isShifted&&a.shift?typeof a.shift=="string"?n.executeCommand(["insert",a.shift,{focus:!0,feedback:!0,scrollIntoView:!0,mode:"math",format:"latex"}]):c0(a.shift):c0(a),n.shiftPressCount===1&&!t.shiftKey&&(n.shiftPressCount=0)),e.abort(),t.preventDefault();return}}}}function c0(e){var t;let 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0:t.querySelector(".MLK__layer.is-visible"))==null?void 0:r.id)!=null?n:""}set currentLayer(t){var r;if(!this._element){this.latentLayer=t;return}let n=t?this._element.querySelector(`#${t}.MLK__layer`):null;n||(n=this._element.querySelector(".MLK__layer")),n&&((r=this._element.querySelector(".MLK__layer.is-visible"))==null||r.classList.remove("is-visible"),n.classList.add("is-visible")),this.render()}get shiftPressCount(){return this._shiftPressCount}set shiftPressCount(t){var r;this._shiftPressCount=t>2||t<0?0:t,(r=this._element)==null||r.classList.toggle("is-caps-lock",this.shiftPressCount===2),this.render()}get isShifted(){return this._shiftPressCount>0}resetKeycapRegistry(){this.keycapRegistry={}}registerKeycap(t){const r="ML__k"+Date.now().toString(36).slice(-2)+Math.floor(Math.random()*1e5).toString(36);return this.keycapRegistry[r]=t,r}getKeycap(t){return t?this.keycapRegistry[t]:void 0}getLayer(t){const r=this.normalizedLayouts;for(const n of r)for(const a of 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Tu(e,t,r){var n,a,i,s,u,d,h;const v=e.position;(n=r==null?void 0:r.extend)!=null&&n||e.collapseSelection(t);let k=e.at(e.position);if(t==="forward"&&(k.type==="subsup"?(k=k.rightSibling,k||(k=e.at(e.position+1))):k=e.at(e.position+1)),!k)return e.announce("plonk"),!1;let I=e.offsetOf(k);if(k instanceof Vc)I=f0(e,I,t);else if(k instanceof hr)if(k.isSuggestion)for(console.assert(t==="forward");k&&k instanceof hr;)k.isSuggestion=!1,I=e.offsetOf(k),k=k.rightSibling;else if(t==="forward"){if(k=k.rightSibling,!k||!(k instanceof hr))return e.announce("plonk"),!1;for(;k&&k instanceof hr&&/[a-zA-Z\*]/.test(k.value);)I=e.offsetOf(k),k=k.rightSibling}else{if(k=k.leftSibling,!k||!(k instanceof hr))return e.announce("plonk"),!1;for(;k&&k instanceof hr&&/[a-zA-Z\*]/.test(k.value);)I=e.offsetOf(k),k=k.leftSibling}else if(t==="forward"&&k.type==="mopen"){let z=0;do k.type==="mopen"?z+=1:k.type==="mclose"&&(z-=1),k=k.rightSibling;while(!k.isLastSibling&&z!==0);I=e.offsetOf(k.leftSibling)}else if(t==="backward"&&k.type==="mclose"){let z=0;do k.type==="mopen"?z+=1:k.type==="mclose"&&(z-=1),k=k.leftSibling;while(!k.isFirstSibling&&z!==0);I=e.offsetOf(k)}else if(t==="backward")if(k.type==="first")for(;I>0&&k.type==="first";)I-=1,k=e.at(I);else{const z=k.type;k.type==="subsup"&&(I=e.offsetOf(e.at(I).leftSibling)),I-=1;let W=(a=e.at(I))==null?void 0:a.type;for(;I>=0&&W===z;)((i=e.at(I))==null?void 0:i.type)==="subsup"?I=e.offsetOf(e.at(I).leftSibling):I-=1,W=e.at(I).type}else{const{type:z}=k;let W=(s=e.at(I))==null?void 0:s.type;const{lastOffset:ye}=e;for(;I<=ye&&(W===z||W==="subsup");){for(;((u=e.at(I).rightSibling)==null?void 0:u.type)==="subsup";)I=e.offsetOf(e.at(I).rightSibling);I+=1,W=(d=e.at(I))==null?void 0:d.type}I-=1}if((h=r==null?void 0:r.extend)!=null&&h){if(!e.setSelection(e.anchor,I))return e.announce("plonk"),!1}else{if(I===e.position)return e.announce("plonk"),!1;e.position=I}return e.announce("move",v),e.mathfield.stopCoalescingUndo(),!0}function hc(e,t,r){var n,a;if(r=r!=null?r:{extend:!1},e.mathfield.adoptStyle=t==="backward"?"right":"left",t!=="forward"){const[u,d]=V0(e);u!==void 0&&d!==void 0&&e.deleteAtoms([u,d])}if(t==="upward")return jm(e,r);if(t==="downward")return Gm(e,r);if(r.extend){let u=cf(e,e.position,t);u<0&&(u=0),u>e.lastOffset&&(u=e.lastOffset);const d=e.setSelection(e.anchor,u);return e.mathfield.stopCoalescingUndo(),d}if(e.selectionIsPlaceholder){e.collapseSelection(t);const u=hc(e,t);return e.mathfield.stopCoalescingUndo(),u}let i=e.position;const s=i;if(e.collapseSelection(t)?(i=e.position,uh(e,i)||(i=cf(e,i,t))):i=cf(e,i,t),i<0||i>e.lastOffset){let u=!0;return e.silenceNotifications||(u=(a=(n=e.mathfield.host)==null?void 0:n.dispatchEvent(new CustomEvent("move-out",{detail:{direction:t},cancelable:!0,bubbles:!0,composed:!0})))!=null?a:!0),u&&e.announce("plonk"),u}return e.setPositionHandlingPlaceholder(i),e.mathfield.stopCoalescingUndo(),e.announce("move",s),!0}function cf(e,t,r){return t=t+(r==="forward"?1:-1),t<0||t>e.lastOffset||uh(e,t)?t:cf(e,t,r)}function uh(e,t){var r;const n=e.at(t);let a=n.parent;for(;a&&!a.inCaptureSelection;)a=a.parent;return!(a!=null&&a.inCaptureSelection||(r=n.parent)!=null&&r.skipBoundary&&(!n.isFirstSibling&&n.isLastSibling||n.type==="first")||e.mathfield.hasEditablePrompts&&!n.parentPrompt)}function Um(e,t,r){let n=1/0,a=0;for(;a<t.length;a++){const i=Ad(e.getHTMLElement(t[a])).right,s=Math.abs(r-i);if(s<=n)n=s;else break}return t[a-1]}function uf(e,t,r,n,a){const i=e.mathfield.hasEditablePrompts,s=i?r.filter(h=>h.type==="prompt"&&!h.captureSelection):r,u=Ad(e.mathfield.getHTMLElement(t)).right,d=e.offsetOf(Um(e.mathfield,s,u))-(i?1:0);if(n){const[h,v]=e.selection.ranges[0];let k;d<(a==="up"?h:v)?k={ranges:[[d,v]],direction:"backward"}:k={ranges:[[h,d]],direction:"forward"},e.setSelection(k)}else e.setPositionHandlingPlaceholder(d);e.announce(`move ${a}`)}function jm(e,t){var r,n;const a=(r=t==null?void 0:t.extend)!=null?r:!1;a||e.collapseSelection("backward");const i=()=>{var d,h;let v=!0;return e.silenceNotifications||(v=(h=(d=e.mathfield.host)==null?void 0:d.dispatchEvent(new CustomEvent("move-out",{detail:{direction:"upward"},cancelable:!0,bubbles:!0,composed:!0})))!=null?h:!0),e.announce(v?"plonk":"line"),v},s=e.at(e.position);let u=s;for(;u&&u.parentBranch!=="below"&&!(Array.isArray(u.parentBranch)&&u.parent instanceof Ba);)u=u.parent;if(Array.isArray(u==null?void 0:u.parentBranch)&&u.parent instanceof Ba){const d=u.parent;if(u.parentBranch[0]<1)return i();const h=u.parentBranch[0]-1,v=d.array[h][u.parentBranch[1]];if(!v.some(I=>I.type==="prompt"&&!I.captureSelection)&&e.mathfield.hasEditablePrompts)return i();uf(e,s,v,a,"up")}else if(u){const d=(n=u.parent.branch("above"))!=null?n:u.parent.createBranch("above");if(!d.some(v=>v.type==="prompt"&&v.placeholderId)&&e.mathfield.hasEditablePrompts)return i();uf(e,s,d,a,"up")}else return i();return e.mathfield.stopCoalescingUndo(),!0}function Gm(e,t){var r,n;const a=(r=t==null?void 0:t.extend)!=null?r:!1;a||e.collapseSelection("forward");const i=()=>{var d,h;let v=!0;return e.silenceNotifications||(v=(h=(d=e.mathfield.host)==null?void 0:d.dispatchEvent(new CustomEvent("move-out",{detail:{direction:"downward"},cancelable:!0,bubbles:!0,composed:!0})))!=null?h:!0),e.announce(v?"plonk":"line"),v},s=e.at(e.position);let u=s;for(;u&&u.parentBranch!=="above"&&!(Array.isArray(u.parentBranch)&&u.parent instanceof Ba);)u=u.parent;if(Array.isArray(u==null?void 0:u.parentBranch)&&u.parent instanceof Ba){const d=u.parent;if(u.parentBranch[0]+1>d.array.length-1)return i();const h=u.parentBranch[0]+1,v=d.array[h][u.parentBranch[1]];if(!v.some(I=>I.type==="prompt"&&!I.captureSelection)&&e.mathfield.hasEditablePrompts)return i();uf(e,s,v,a,"down")}else if(u){const d=(n=u.parent.branch("below"))!=null?n:u.parent.createBranch("below");if(!d.some(v=>v.type==="prompt")&&e.mathfield.hasEditablePrompts)return i();uf(e,s,d,a,"down")}else return i();return!0}function dh(e){const t=e.position,r=e.at(t).parent;return r!=null&&r.parent?(e.position=e.offsetOf(r),e.mathfield.stopCoalescingUndo(),e.announce("move",t),!0):(e.announce("plonk"),!1)}function qm(e){let t=0,r=e.at(e.position),n=!1;for(;r;)(!r.hasEmptyBranch("superscript")||!r.hasEmptyBranch("subscript"))&&(t+=1),r.hasEmptyBranch("superscript")?r.hasEmptyBranch("subscript")||(n=!1):n=!0,r=r.parent;return n?t:0}function Xm(e){let t=0,r=e.at(e.position),n=!1;for(;r;)(!r.hasEmptyBranch("superscript")||!r.hasEmptyBranch("subscript"))&&(t+=1),r.hasEmptyBranch("superscript")?r.hasEmptyBranch("subscript")||(n=!0):n=!1,r=r.parent;return n?t:0}function fh(e){var t;if(e.collapseSelection(),qm(e)>=e.mathfield.options.scriptDepth[1])return e.announce("plonk"),!1;let r=e.at(e.position);return r.subsupPlacement===void 0&&(((t=r.rightSibling)==null?void 0:t.type)!=="subsup"&&r.parent.addChildAfter(new g({style:r.computedStyle}),r),r=r.rightSibling),r.createBranch("superscript"),e.setSelection(e.getSiblingsRange(e.offsetOf(r.superscript[0]))),!0}function hh(e){var t;if(e.collapseSelection(),Xm(e)>=e.mathfield.options.scriptDepth[0])return e.announce("plonk"),!1;let r=e.at(e.position);return r.subsupPlacement===void 0&&(((t=e.at(e.position+1))==null?void 0:t.type)!=="subsup"&&r.parent.addChildAfter(new g({style:e.at(e.position).computedStyle}),r),r=e.at(e.position+1)),r.createBranch("subscript"),e.setSelection(e.getSiblingsRange(e.offsetOf(r.subscript[0]))),!0}function Jm(){function e(d){const h=[],v=[];return[...d.querySelectorAll(`input, select, textarea, a[href], button,
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k=((h=d.form)!=null?h:d.ownerDocument).querySelectorAll('input[type="radio"][name="'+d.name+'"]'),I=i(k,d.form);return!I||I===d}function u(d){if(!Ze()||d===document.activeElement||d.contains(document.activeElement))return!1;if(getComputedStyle(d).visibility==="hidden")return!0;const h=d.getBoundingClientRect();if(h.width===0||h.height===0)return!0;for(;d;){if(getComputedStyle(d).display==="none")return!0;d=d.parentElement}return!1}return Ze()?e(document.body):[]}function Gs(e,t,r="forward"){const n=e.position;if(Array.isArray(t)){const a=e.offsetOf(t[0]),i=e.offsetOf(t[t.length-1]);return r==="forward"?e.setSelection(a,i):e.setSelection(i,a),e.announce("move",n),e.mathfield.stopCoalescingUndo(),!0}return r==="forward"?Gs(e,[t.leftSibling,t]):Gs(e,[t,t.leftSibling])}function ec(e,t){const r=e.position;if(typeof t=="number"&&(t=e.at(t)),t.type==="prompt")e.setSelection(e.offsetOf(t.firstChild),e.offsetOf(t.lastChild));else{const n=e.offsetOf(t);t.type==="placeholder"?e.setSelection(n-1,n):e.position=n}return e.announce("move",r),e.mathfield.stopCoalescingUndo(),!0}function df(e,t,r=!0){var n,a;const i=t==="forward"?1:-1;e.at(e.anchor).type==="placeholder"&&hc(e,t);let s;const u=e.at(e.anchor).parentPrompt;u?t==="forward"?s=e.offsetOf(u)+1:s=e.offsetOf(u.leftSibling):s=Math.max(e.position+i,0);const d=h0(e,s,t);if(!d||t==="forward"&&e.offsetOf(d)<s||t==="backward"&&e.offsetOf(d)>s){if(!r||!((a=(n=e.mathfield.host)==null?void 0:n.dispatchEvent(new CustomEvent("move-out",{detail:{direction:t},cancelable:!0,bubbles:!0,composed:!0})))==null||a))return e.announce("plonk"),!1;const v=Jm();if(!document.activeElement||v.length<=1)return e.announce("plonk"),!1;let k=v.indexOf(document.activeElement)+i;return k<0&&(k=v.length-1),k>=v.length&&(k=0),v[k].focus(),e.mathfield.stopCoalescingUndo(),!0}return ec(e,d),!0}function h0(e,t=0,r="forward"){return e.findAtom(n=>n.type==="placeholder"||n.type==="prompt"||!e.mathfield.readOnly&&n.treeDepth>2&&n.isFirstSibling&&n.isLastSibling,t,r)}bl({moveToOpposite:e=>{const t={superscript:"subscript",subscript:"superscript",above:"below",below:"above"},r=e.at(e.position),{parent:n}=r;if(!n)return e.announce("plonk"),!1;const a=r.parentBranch;let i;if(typeof a=="string"&&(i=t[a]),!i){const u=r.subsupPlacement?hh(e):fh(e);return e.mathfield.stopCoalescingUndo(),u}n.branch(i)||n.createBranch(i);const s=e.setSelection(e.getBranchRange(e.offsetOf(n),i));return e.mathfield.stopCoalescingUndo(),s},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=>dh(e),moveToNextChar:e=>hc(e,"forward"),moveToPreviousChar:e=>hc(e,"backward"),moveUp:e=>hc(e,"upward"),moveDown:e=>hc(e,"downward"),moveToNextWord:e=>Tu(e,"forward"),moveToPreviousWord:e=>Tu(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,r,n,a;if(e.position===e.lastOffset&&e.anchor===e.lastOffset)return df(e,"forward");const i=e.at(e.position);if(i.mode==="text"){if(e.selectionIsCollapsed){let I=i;for(;I&&I.mode==="text";)I=I.leftSibling;let z=i;for(;((t=z.rightSibling)==null?void 0:t.mode)==="text";)z=z.rightSibling;if(I&&z)return Gs(e,[I,z])}if(i.rightSibling.mode==="text"){let I=i;for(;I&&I.mode==="text";)I=I.rightSibling;return I?(ec(e,(r=I.leftSibling)!=null?r:I),e.mathfield.switchMode("math"),!0):ec(e,e.lastOffset)}}const u=e.at(e.anchor).parentPrompt,d=u?e.offsetOf(u)+1:Math.max(e.position+1,0),h=h0(e,d,"forward");if(h)return ec(e,h);const v=ph(e,i,I=>I.type==="leftright"||I.type==="text","forward");if(v){if(v.mode==="text"){let I=v;for(;I&&I.mode==="text";)I=I.rightSibling;return Gs(e,[(n=v.leftSibling)!=null?n:v,(a=I.leftSibling)!=null?a:I])}return Gs(e,v)}const k=i.parent;if(k){if(k.type==="leftright"||k.type==="surd")return Gs(e,k);if(i.parentBranch==="superscript"&&k.subscript)return Gs(e,k.subscript);if(i.parentBranch==="above"&&k.below)return Gs(e,k.below);if(i.parentBranch==="superscript"||i.parentBranch==="subscript")return ec(e,k);if(i.parentBranch==="above"||i.parentBranch==="below")return Gs(e,k)}return ec(e,e.lastOffset)},moveToPreviousGroup:e=>{var t;if(e.position===0&&e.anchor===0)return df(e,"backward");let r=e.at(e.position);const n=r.mode;if(n==="text"){if(e.selectionIsCollapsed){let u=r;for(;u&&u.mode==="text";)u=u.leftSibling;let d=r;for(;((t=d.rightSibling)==null?void 0:t.mode)==="text";)d=d.rightSibling;if(u&&d)return Gs(e,[u,d])}for(;r&&r.mode==="text";)r=r.leftSibling;return r?ec(e,r):ec(e,0)}const a=e.at(e.anchor).parentPrompt,i=a?e.offsetOf(a.leftSibling):Math.max(e.position-1,0),s=h0(e,i,"backward");if(s)return ec(e,s);if(n==="math"){const u=ph(e,r,h=>h.type==="leftright"||h.type==="text","backward");if(u){if(u.mode==="text"){let h=u;for(;h&&h.mode==="text";)h=h.leftSibling;return Gs(e,[u,h])}return Gs(e,u)}const d=r.parent;if(d){if(d.type==="leftright"||d.type==="surd")return Gs(e,d);if(r.parentBranch==="subscript"&&d.superscript)return Gs(e,d.superscript);if(r.parentBranch==="below"&&d.above)return Gs(e,d.above);if(r.parentBranch==="superscript"||r.parentBranch==="subscript")return ec(e,d);if(r.parentBranch==="above"||r.parentBranch==="below")return Gs(e,d)}return 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r=this.element.getBoundingClientRect(),n=Ch(this.element);this.submenu.show({container:this.rootMenu.element.parentNode,location:{x:Eh(r,"trailing",n),y:r.top-4},alternateLocation:{x:Eh(r,"leading",n),y:r.top-4}})}movingTowardSubmenu(e){if(!this.element||this.type!=="submenu")return!1;const t=this.rootMenu.lastMoveEvent;if(!t)return!1;const r=e.timeStamp-t.timeStamp;if(r>500)return!1;const n=e.clientX-t.clientX;if(Dv(n,t.clientY-e.clientY,r)<=.2)return!1;let i="right";if(this.submenu.element){const s=this.submenu.element.getBoundingClientRect(),u=this.element.getBoundingClientRect();s.left<u.left+u.width/2&&(i="left")}return i==="right"?n>0:n<0}};function Dv(e,t,r){return Math.hypot(e,t)/r}function Pu(e,t){return e===void 0||typeof e!="function"?e:(t!=null||(t={alt:!1,control:!1,shift:!1,meta:!1}),e(t))}var Lh=class Hu{constructor(t,r){this._element=null,this._activeMenuItem=null,this._dirty=!0;var n,a;this.parentMenu=(n=r==null?void 0:r.parentMenu)!=null?n:null,this._submenuClass=r==null?void 0:r.submenuClass,this.columnCount=(a=r==null?void 0:r.columnCount)!=null?a:1,this.isSubmenuOpen=!1,this.menuItems=t}get children(){return this._menuItems}set menuItems(t){const r=this.parentMenu;this.dispose(),this.parentMenu=r,t=[...t],this._menuItems=t.map(n=>n.onCreate?n.onCreate(n,this):new Dh(n,this)),this.hasCheck=void 0,this.dirty=!0}dispose(){var t;this.hide(),this._element&&this._element.remove(),this._abortController&&this._abortController.abort(),(t=this._menuItems)==null||t.forEach(r=>r.dispose()),this._menuItems=[],this._activeMenuItem=null,this.parentMenu=null}handleEvent(t){if(t.type==="wheel"&&this._element){const r=t;this._element.scrollBy(0,r.deltaY),t.stopPropagation()}}dispatchEvent(t){return this.rootMenu.dispatchEvent(t)}get rootMenu(){return this.parentMenu.rootMenu}updateState(t){var r,n,a;this._menuItems.forEach(h=>h.updateState(t));const i=this.hasCheck;this.hasCheck=this._menuItems.some(h=>h.visible&&h.hasCheck),this.hasCheck!==i&&this._menuItems.forEach(h=>h.updateState(t));let s,u=0;for(const h of this._menuItems)h.type==="heading"?(s&&u===0&&(s.visible=!1),s=h,u=0):h.type==="divider"&&s?(s.visible=u>0,s=void 0,u=0):s&&h.visible&&(u+=1);s&&(s.visible=u>0);let d=!0;for(const h of this._menuItems)h.type==="divider"?(h.visible=!d,d=!0):h.visible&&(d=!1);(r=this.activeMenuItem)!=null&&r.visible||(this.activeMenuItem=null),!((n=this.activeMenuItem)!=null&&n.enabled)&&((a=this.activeMenuItem)==null?void 0:a.type)==="submenu"&&this._activeMenuItem.submenu.hide(),this._dirty=!1}get enabled(){return this.updateIfDirty(),this._menuItems.some(t=>t.type!=="divider"&&t.visible&&t.enabled)}get visible(){return this.updateIfDirty(),this._menuItems.some(t=>t.type!=="divider"&&t.visible)}set dirty(t){console.assert(t===!0),this._dirty!==t&&t&&this.parentMenu&&(this._dirty=!0,this.parentMenu.dirty=!0)}updateIfDirty(){this._dirty&&this.updateState(this.rootMenu.modifiers)}updateElement(){var t;if(this._element){this._element.textContent="";for(const{element:r,visible:n}of this._menuItems)r&&n&&this._element.append(r);(t=this._element.querySelector("li:first-of-type"))==null||t.setAttribute("tabindex","0")}}get element(){if(this._element)return this._element;const t=document.createElement("menu");t.setAttribute("role","menu"),t.setAttribute("tabindex","-1"),t.setAttribute("aria-orientation","vertical"),t.setAttribute("part","ui-menu-container"),this._submenuClass&&t.classList.add(this._submenuClass),t.classList.add("ui-menu-container"),this._abortController||(this._abortController=new AbortController);const r=this._abortController.signal;return t.addEventListener("focus",this,{signal:r}),t.addEventListener("wheel",this,{passive:!0,signal:r}),this._element=t,this.updateElement(),t}get activeMenuItem(){return this._activeMenuItem}set activeMenuItem(t){var r,n,a,i;if(this.rootMenu.cancelDelayedOperation(),t!==this._activeMenuItem){if(this.activeMenuItem){const s=this.activeMenuItem;s.active=!1,(r=s.submenu)==null||r.hide()}if(!((n=t==null?void 0:t.visible)==null||n)){this._activeMenuItem=null;return}this._activeMenuItem=t,t&&(t.active=!0)}t?(a=t.element)==null||a.focus({preventScroll:!0}):(i=this._element)==null||i.focus({preventScroll:!0})}get firstMenuItem(){this.updateIfDirty();let t=0,r=!1;const n=this._menuItems;for(;!r&&t<=n.length-1;){const a=n[t];r=a.type!=="divider"&&a.visible&&a.enabled,t+=1}return r?n[t-1]:null}get lastMenuItem(){this.updateIfDirty();const t=this._menuItems;let r=t.length-1,n=!1;for(;!n&&r>=0;){const a=t[r];n=a.type!=="divider"&&a.visible&&a.enabled,r-=1}return n?t[r+1]:null}nextMenuItem(t){if(t===0)return this._activeMenuItem;if(!this._activeMenuItem)return t>0?this.firstMenuItem:this.lastMenuItem;if(!this.firstMenuItem||!this.lastMenuItem||!this._activeMenuItem)return null;this.updateIfDirty();const r=this._menuItems.indexOf(this.firstMenuItem),n=this._menuItems.indexOf(this.lastMenuItem);let a=this._menuItems.indexOf(this._activeMenuItem),i=1;for(;a>=r&&a<=n;){a+=t>0?1:-1;const s=this._menuItems[a];if(!s)break;if(s.visible&&s.enabled){if(i===Math.abs(t))return this._menuItems[a];i+=1}}return t>0?this.lastMenuItem:this.firstMenuItem}getMenuItemColumn(t){this.updateIfDirty();const n=this._menuItems.filter(a=>a.visible&&a.enabled).indexOf(t);return n<0?-1:n%this.columnCount}static get collator(){return Hu._collator||(Hu._collator=new Intl.Collator(void 0,{usage:"search",sensitivity:"base"})),Hu._collator}findMenuItem(t){var r;this.updateIfDirty();const n=this._menuItems.filter(u=>u.type!=="divider"&&u.visible&&u.enabled);if(n.length===0)return null;const a=Math.max(...n.map(u=>u.label.length))-t.length;if(a<0)return null;let i=null,s=0;for(;s<a&&!i;)i=(r=n.find(u=>Hu.collator.compare(t,u.label.substring(s,t.length))===0))!=null?r:null,s++;return i}show(t){return!this.visible||!t.container?!1:(this.updateElement(),t.container.appendChild(this.element),xr()&&(this.element.popover="manual",this.element.showPopover()),t.location&&kv(this.element,{location:t.location,alternateLocation:t.alternateLocation,verticalPos:"bottom",horizontalPos:"start"}),this.element.focus({preventScroll:!0}),this.parentMenu&&(this.parentMenu.openSubmenu=this),!0)}hide(){var t,r,n,a,i;this.openSubmenu=null,this.activeMenuItem=null,this.parentMenu&&(this.parentMenu.openSubmenu=null),xr()&&((t=this._element)!=null&&t.popover)&&this.element.hidePopover(),(n=(r=this.parentMenu)==null?void 0:r.element)==null||n.focus(),(i=(a=this._element)==null?void 0:a.parentNode)==null||i.removeChild(this._element)}set openSubmenu(t){var r,n,a,i;const s=t!==null;((r=this.activeMenuItem)==null?void 0:r.type)==="submenu"&&((n=this.activeMenuItem.element)==null||n.setAttribute("aria-expanded",s.toString())),(i=(a=this.activeMenuItem)==null?void 0:a.element)==null||i.classList.toggle("is-submenu-open",s),this.isSubmenuOpen=s}},Ih=class Tp extends Lh{constructor(t,r){var n;super(t),this.state="closed",this.typingBufferResetTimer=0,this.hysteresisTimer=0,this._updating=!1,this._host=(n=r==null?void 0:r.host)!=null?n:null,this.isDynamic=t.some(Th),this._modifiers={shift:!1,control:!1,alt:!1,meta:!1},this.typingBuffer="",this.state="closed"}get modifiers(){return this._modifiers}set modifiers(t){Gp(this._modifiers,t)||(this._modifiers=t,this.dirty=!0)}get activeSubmenu(){let t=this;for(;t.isSubmenuOpen;)t=t.activeMenuItem.submenu;return t}set dirty(t){this._updating||(console.assert(t===!0),this._dirty!==t&&(this._dirty=!0,t&&setTimeout(()=>{this.updateState(this.modifiers),this.updateElement()})))}updateState(t){this._updating=!0,this.modifiers=t!=null?t:this.modifiers,super.updateState(this.modifiers),this._updating=!1}handleKeyupEvent(t){this.isDynamic&&(this.modifiers=Yc(t)),t.stopImmediatePropagation()}handleKeydownEvent(t){var r,n,a;if(t.key==="Tab"||t.key==="Escape"){this.hide();return}this.isDynamic&&(this.modifiers=Yc(t));let i=!0;const s=this.activeSubmenu,u=s.activeMenuItem;switch(t.key){case" ":case"Space":case"Return":case"Enter":u==null||u.select(Yc(t));break;case"ArrowRight":if((u==null?void 0:u.type)==="submenu")u.select(Yc(t)),this.activeSubmenu.activeMenuItem=this.activeSubmenu.firstMenuItem;else if(!u)s.activeMenuItem=s.firstMenuItem;else{const d=(r=s.getMenuItemColumn(u))!=null?r:-1;if(d>=0&&d<((n=s.columnCount)!=null?n:1)-1){const h=s.nextMenuItem(1);h&&(s.activeMenuItem=h)}}break;case"ArrowLeft":if(s===this.rootMenu)u||(s.activeMenuItem=s.firstMenuItem);else if((u&&(a=s.getMenuItemColumn(u))!=null?a:-1)<=0||!u){s.hide();const h=s.parentMenu.activeMenuItem;if(h){const{element:v}=h;v==null||v.focus(),v==null||v.classList.remove("is-submenu-open")}}else{const h=s.nextMenuItem(-1);h&&(s.activeMenuItem=h)}break;case"ArrowDown":s.activeMenuItem=s.nextMenuItem(s.columnCount);break;case"ArrowUp":s.activeMenuItem=s.nextMenuItem(-s.columnCount);break;case"Home":case"PageUp":s.activeMenuItem=s.firstMenuItem;break;case"End":case"PageDown":s.activeMenuItem=s.lastMenuItem;break;case"Backspace":if(this.typingBuffer&&(this.typingBuffer=this.typingBuffer.slice(0,-1),this.typingBuffer)){clearTimeout(this.typingBufferResetTimer);const d=s.findMenuItem(this.typingBuffer);d&&(s.activeMenuItem=d),this.typingBufferResetTimer=setTimeout(()=>{this.typingBuffer=""},500)}break;default:if(Vd(t)){isFinite(this.typingBufferResetTimer)&&clearTimeout(this.typingBufferResetTimer),this.typingBuffer+=t.key;const d=s.findMenuItem(this.typingBuffer);d&&(s.activeMenuItem=d),this.typingBufferResetTimer=setTimeout(()=>{this.typingBuffer=""},500)}else i=!1}i&&(t.preventDefault(),t.stopPropagation())}handleEvent(t){if(t.type==="keydown")this.handleKeydownEvent(t);else if(t.type==="keyup")this.handleKeyupEvent(t);else if(t.type==="pointermove")this.lastMoveEvent=t;else if(t.type==="pointerup"&&t.target===this.scrim)Number.isFinite(this.rootMenu._openTimestamp)&&Date.now()-this.rootMenu._openTimestamp<120?this.state="modal":this.state==="modal"&&this.hide();else if(t.type==="contextmenu"){t.preventDefault(),t.stopPropagation();return}super.handleEvent(t)}dispatchEvent(t){return this._host?this._host.dispatchEvent(t):!0}get scrim(){return dc.element}connectScrim(t){const r=this.scrim;r.addEventListener("pointerup",this),r.addEventListener("contextmenu",this),r.addEventListener("keydown",this),r.addEventListener("keyup",this),r.addEventListener("pointermove",this),dc.open({root:t,onDismiss:()=>this.hide()})}disconnectScrim(){const t=this.scrim;t.removeEventListener("pointerup",this),t.removeEventListener("contextmenu",this),t.removeEventListener("keydown",this),t.removeEventListener("keyup",this),t.removeEventListener("pointermove",this),dc.state==="open"&&dc.scrim.close()}get rootMenu(){return this}show(t){return this._onDismiss=t==null?void 0:t.onDismiss,t!=null&&t.modifiers&&(this.modifiers=t.modifiers),this.updateState(),this.connectScrim(t==null?void 0:t.target),super.show(p(C({},t),{container:this.scrim}))?(this._openTimestamp=Date.now(),this.state="open",!0):(this.disconnectScrim(),!1)}hide(){this.cancelDelayedOperation(),this.state!==void 0&&(this.state!=="closed"&&(this.activeMenuItem=null,dc.element.parentElement.focus(),super.hide(),this.state="closed",this.disconnectScrim()),this._onDismiss&&(this._onDismiss(),this._onDismiss=void 0))}scheduleOperation(t){this.cancelDelayedOperation();const r=Tp.SUBMENU_DELAY;if(r<=0){t();return}this.hysteresisTimer=setTimeout(()=>{this.hysteresisTimer=0,t()},r)}cancelDelayedOperation(){this.hysteresisTimer&&(clearTimeout(this.hysteresisTimer),this.hysteresisTimer=0)}};Ih.SUBMENU_DELAY=120;var Lv=Ih;function Th(e){return C0(e)?!1:typeof e.label=="function"||typeof e.ariaLabel=="function"||typeof e.tooltip=="function"||(mc(e)||Bu(e))&&(typeof e.enabled=="function"||typeof e.visible=="function")||mc(e)&&typeof e.checked=="function"?!0:Bu(e)?e.submenu.some(Th):!1}var bf=class{};bf.DELAY=300,bf.MAX_DISTANCE=10;function Iv(e){return new Promise((t,r)=>{const n=Zd(e);n||t(!1);let a=n;const i=setTimeout(()=>{s.abort(),t(Av(a,n)<bf.MAX_DISTANCE)},bf.DELAY),s=new AbortController,u=s.signal;for(const d of["pointermove","pointerup","pointercancel"])window.addEventListener(d,h=>{if(h.type==="pointerup"||h.type==="pointercancel")clearTimeout(i),s.abort(),t(!1);else if(h.type==="pointermove"){const v=Zd(h);v&&(a=v)}},{passive:!0,signal:u})})}function Bh(e,t,r){return Zc(this,null,function*(){if(e.type==="contextmenu"){const n=e;if(r.show({target:t,location:Zd(n),modifiers:Yc(n)}))return e.preventDefault(),e.stopPropagation(),!0}if(e.type==="keydown"){const n=e;if(n.code==="ContextMenu"||n.code==="F10"&&n.shiftKey){const a=t==null?void 0:t.getBoundingClientRect();if(a&&r.show({target:t,location:{x:Math.ceil(a.left+a.width/2),y:Math.ceil(a.top+a.height/2)},modifiers:Yc(n)}))return e.preventDefault(),e.stopPropagation(),!0}}if(e.type==="pointerdown"&&e.pointerType!=="mouse"&&e.button===0){let n=e.target;for(;n&&t!==n;)n=n.parentNode;if(!n||!r.visible)return!1;const a=Zd(e);if(yield Iv(e))return r.state!=="closed"?!1:(r.show({target:t,location:a}),!0)}return!1})}var Ph={acute:714,grave:715,dot:729,ddot:168,mathring:730,tilde:126,bar:713,breve:728,check:711,hat:94,vec:8407};re(Object.keys(Ph),"{body:auto}",{createAtom:e=>new pu(p(C({},e),{body:ke(e.args[0]),accentChar:Ph[e.command.slice(1)]}))}),re(["widehat","widecheck","widetilde"],"{body:auto}",{createAtom:e=>{const t=je(ke(e.args[0]));return new pu(p(C({},e),{body:ke(e.args[0]),svgAccent:e.command.slice(1)+(t.length>5?"4":["1","1","2","2","3","3"][t.length])}))}}),re(["overarc","overparen","wideparen"],"{body:auto}",{createAtom:e=>new pu(p(C({},e),{body:ke(e.args[0]),svgAccent:"overarc"}))}),re(["underarc","underparen"],"{body:auto}",{createAtom:e=>new Ma(p(C({},e),{body:ke(e.args[0]),svgBelow:"underarc"}))}),re("utilde","{body:auto}",{createAtom:e=>{const t=ke(e.args[0]),r=je(t),n="widetilde"+(r.length>5?"4":["1","1","2","2","3","3"][r.length]);return new Ma(p(C({},e),{body:t,svgBelow:n,boxType:pl(t)}))}}),re("^","{:string}",{createAtom:e=>{var t;return new De(p(C({},e),{type:"mord",isFunction:!1,limits:"adjacent",value:e.args[0]&&(t={a:"\xE2",e:"\xEA",i:"\xEE",o:"\xF4",u:"\xFB",A:"\xC2",E:"\xCA",I:"\xCE",O:"\xD4",U:"\xDB"}[e.args[0]])!=null?t:"^"}))}}),re("`","{:string}",{createAtom:e=>{var t;return new De(p(C({},e),{type:"mord",isFunction:!1,limits:"adjacent",value:e.args[0]&&(t={a:"\xE0",e:"\xE8",i:"\xEC",o:"\xF2",u:"\xF9",A:"\xC0",E:"\xC8",I:"\xCC",O:"\xD2",U:"\xD9"}[e.args[0]])!=null?t:"`"}))}}),re("'","{:string}",{createAtom:e=>{var t;return new De(p(C({},e),{type:"mord",isFunction:!1,limits:"adjacent",value:e.args[0]&&(t={a:"\xE1",e:"\xE9",i:"\xED",o:"\xF3",u:"\xFA",A:"\xC1",E:"\xC9",I:"\xCD",O:"\xD3",U:"\xDA"}[e.args[0]])!=null?t:"'"}))}}),re('"',"{:string}",{createAtom:e=>{var t,r;return new De(p(C({},e),{type:"mord",isFunction:!1,limits:"adjacent",value:(t=e.args)!=null&&t[0]?(r={a:"\xE4",e:"\xEB",i:"\xEF",o:"\xF6",u:"\xFC",A:"\xC4",E:"\xCB",I:"\xCB",O:"\xD6",U:"\xDC"}[e.args[0]])!=null?r:'"'+e.args[0]:'"'}))}}),re(".","{:string}",{createAtom:e=>{var t,r;return new De(p(C({},e),{type:"mord",isFunction:!1,limits:"adjacent",value:(t=e.args)!=null&&t[0]?(r={a:"\u0227",e:"\u0117",i:"\u0307i",o:"\u022F",u:"\u0307u",A:"\u0226",E:"\u0116",I:"\u0130",O:"\u022E",U:"\u0307U"}[e.args[0]])!=null?r:"."+e.args[0]:"."}))}}),re("=","{:string}",{createAtom:e=>{var t,r;return new De(p(C({},e),{type:"mord",isFunction:!1,limits:"adjacent",value:(t=e.args)!=null&&t[0]?(r={a:"\u0101",e:"\u0113",i:"\u012B",o:"\u014D",u:"\u016B",A:"\u0100",E:"\u0112",I:"\u012A",O:"\u014C",U:"\u016A"}[e.args[0]])!=null?r:"="+e.args[0]:"="}))}}),re("~","{:string}",{createAtom:e=>{var t;return new De(p(C({type:"mord"},e),{isFunction:!1,limits:"adjacent",value:e.args[0]&&(t={n:"\xF1",N:"\xD1",a:"\xE3",o:"\xF5",A:"\xC3",O:"\xD5"}[e.args[0]])!=null?t:"\xB4"}))}}),re("c","{:string}",{createAtom:e=>{var t;return new De(p(C({},e),{type:"mord",isFunction:!1,limits:"adjacent",value:e.args[0]&&(t={c:"\xE7",C:"\xC7"}[e.args[0]])!=null?t:""}))}}),re("enclose","{notation:string}[style:string]{body:auto}",{createAtom:e=>{var t,r;const n=e.args,a={strokeColor:"currentColor",strokeWidth:"",strokeStyle:"solid",backgroundcolor:"transparent",padding:"auto",shadow:"none",svgStrokeStyle:void 0,borderStyle:void 0,style:(t=e.style)!=null?t:{}};if(n[1]){const s=n[1].split(/,(?![^(]*\)(?:(?:[^(]*\)){2})*[^"]*$)/);for(const u of s){const d=u.match(/\s*(\S+)\s+(\S+)\s+(.*)/);if(d)a.strokeWidth=d[1],a.strokeStyle=d[2],a.strokeColor=d[3];else{const h=u.match(/\s*([a-z]*)\s*=\s*"(.*)"/);h&&(h[1]==="mathbackground"?a.backgroundcolor=h[2]:h[1]==="mathcolor"?a.strokeColor=h[2]:h[1]==="padding"?a.padding=h[2]:h[1]==="shadow"&&(a.shadow=h[2]))}}a.strokeStyle==="dashed"?a.svgStrokeStyle="5,5":a.strokeStyle==="dotted"&&(a.svgStrokeStyle="1,5")}a.borderStyle=`${a.strokeWidth} ${a.strokeStyle} ${a.strokeColor}`;const i={};return((r=n[0])!=null?r:"").split(/[, ]/).filter(s=>s.length>0).forEach(s=>{i[s.toLowerCase()]=!0}),new ht(e.command,ke(n[2]),i,a)}}),re("cancel","{body:auto}",{createAtom:e=>{var t;return new ht(e.command,ke(e.args[0]),{updiagonalstrike:!0},{strokeColor:"currentColor",strokeWidth:"",strokeStyle:"solid",borderStyle:"1px solid currentColor",backgroundcolor:"transparent",padding:"auto",shadow:"none",style:(t=e.style)!=null?t:{}})}}),re("bcancel","{body:auto}",{createAtom:e=>{var t;return new ht(e.command,ke(e.args[0]),{downdiagonalstrike:!0},{strokeColor:"currentColor",strokeWidth:"",strokeStyle:"solid",borderStyle:"1px solid currentColor",backgroundcolor:"transparent",padding:"auto",shadow:"none",style:(t=e.style)!=null?t:{}})}}),re("xcancel","{body:auto}",{createAtom:e=>{var t;return new ht(e.command,ke(e.args[0]),{updiagonalstrike:!0,downdiagonalstrike:!0},{strokeColor:"currentColor",strokeWidth:"",strokeStyle:"solid",borderStyle:"1px solid currentColor",backgroundcolor:"transparent",padding:"auto",shadow:"none",style:(t=e.style)!=null?t:{}})}}),re(["overrightarrow","overleftarrow","Overrightarrow","overleftharpoon","overrightharpoon","overleftrightarrow","overlinesegment","overgroup"],"{:auto}",{createAtom:e=>{var t;return new Ma(p(C({},e),{body:ke((t=e.args)==null?void 0:t[0]),skipBoundary:!1,supsubPlacement:"over-under",paddedBody:!0,boxType:"rel",svgAbove:e.command.slice(1)}))}}),re("overbrace","{:auto}",{createAtom:e=>new 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if(t==="line"){const i=Fu("",e.model.root);e.keyboardDelegate.setAriaLabel(i)}else a=n?Fu(t+" ",n):t;if(a){const i=e.ariaLiveText.textContent.includes("\xA0")?" \u202F ":" \xA0 ";e.ariaLiveText.textContent=a+i}}function hg(e,t){if(Number.isNaN(t))return"";const r=e.at(t);if(!r||r.treeDepth<=e.at(e.position).treeDepth)return"";let n="",a=r.parent;const i=e.at(e.position).parent;for(;a!==e.root&&a!==i;)n+=`out of ${Wh(a)};`,a=a.parent;return n}function pg(e){if(!e.selectionIsCollapsed)return Fu("",e.getAtoms(e.selection));let t="";const r=e.at(e.position),n=Wh(r);return r.isFirstSibling&&(t=(n?"start of "+n:"unknown")+": "),r.isLastSibling?r.isFirstSibling||(t+=n?"end of "+n:"unknown"):t+=Fu("",r),t}var mg=class{constructor(e,t,r){this.mathfield=e,this.mode=t,this.silenceNotifications=!1,this._selection={ranges:[[0,0]],direction:"none"},this._anchor=0,this._position=0,this.root=r}dispose(){this.mathfield=void 0}getState(){const e={ranges:[...this._selection.ranges]};return this.selection.direction&&this.selection.direction!=="none"&&(e.direction=this.selection.direction),{content:this.root.toJson(),selection:e,mode:this.mode}}setState(e,t){var r;const n=this.silenceNotifications;this.silenceNotifications=(r=t==null?void 0:t.silenceNotifications)!=null?r:!0;let a={};if((t==null?void 0:t.type)==="undo"&&(a={inputType:"historyUndo"}),(t==null?void 0:t.type)==="redo"&&(a={inputType:"historyRedo"}),this.contentWillChange(a)){const i=this.silenceNotifications;this.silenceNotifications=!0,this.mode=e.mode,this.root=js(e.content),this.selection=e.selection,this.silenceNotifications=i,this.contentDidChange(a)}this.silenceNotifications=n}get atoms(){return this.root.children}get selection(){return this._selection}set selection(e){this.setSelection(e)}setSelection(e,t){return!this.mathfield.contentEditable&&this.mathfield.userSelect==="none"?!1:this.deferNotifications({selection:!0},()=>{var r,n,a;const i=this.normalizeSelection(e,t);if(i===void 0)throw new TypeError("Invalid selection");if(i.ranges.length===1&&i.ranges[0][0]===i.ranges[0][1]){const v=i.ranges[0][0];if(!this.mathfield.dirty&&!((r=this.at(v))!=null&&r.parentPrompt)&&this.mathfield.hasEditablePrompts){if((n=this.at(v-1))!=null&&n.parentPrompt){this._anchor=this.normalizeOffset(v-1),this._position=this._anchor,this._selection=this.normalizeSelection(this._anchor);return}if((a=this.at(v+1))!=null&&a.parentPrompt){this._anchor=this.normalizeOffset(v+1),this._position=this._anchor,this._selection=this.normalizeSelection(this._anchor);return}this._anchor=0,this._position=0,this._selection={ranges:[[0,0]]};return}this._anchor=v,this._position=v,this._selection=i;return}const s=fs(i);i.direction==="backward"?[this._position,this._anchor]=s:[this._anchor,this._position]=s;const u=this.at(s[0]+1),d=this.at(s[1]),h=De.commonAncestor(u,d);(h==null?void 0:h.type)==="array"&&u.parent===h&&d.parent===h?this._selection={ranges:[s],direction:i.direction}:this._selection={ranges:[s],direction:i.direction},console.assert(this._position>=0&&this._position<=this.lastOffset)})}setPositionHandlingPlaceholder(e){var t;const r=this.at(e);(r==null?void 0:r.type)==="placeholder"?this.setSelection(e-1,e):((t=r==null?void 0:r.rightSibling)==null?void 0:t.type)==="placeholder"?this.setSelection(e,e+1):this.position=e,r instanceof hr&&r.isSuggestion&&(r.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 Math.abs(this._anchor-this._position)===1?this.at(Math.max(this._anchor,this._position)).type==="placeholder":!1}collapseSelection(e="forward"){return this._anchor===this._position?!1:(e==="backward"?this.position=Math.min(this._anchor,this._position):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:r}=t;if(!r)return[0,this.lastOffset];const n=t.parent.branch(t.parentBranch);return[this.offsetOf(n[0]),this.offsetOf(n[n.length-1])]}getBranchRange(e,t){const r=this.at(e).branch(t);return[this.offsetOf(r[0]),this.offsetOf(r[r.length-1])]}getAtoms(e,t,r){let n=r!=null?r:{};if(Uc(e)){if(n=t!=null?t:{},e.ranges.length>1)return e.ranges.reduce((h,v)=>[...h,...this.getAtoms(v,n)],[]);e=e.ranges[0]}let a,i;if(nc(e)){if(a=e,!nc(t))return[];i=t}else[a,i]=e,n=t!=null?t:{};if(!Number.isFinite(a))return[];n.includeChildren===void 0&&(n.includeChildren=!1),a<0&&(a=this.lastOffset-a+1),i<0&&(i=this.lastOffset-i+1);const s=Math.min(a,i)+1,u=Math.max(a,i);if(!n.includeChildren&&s===1&&u===this.lastOffset)return[this.root];let d=[];for(let h=s;h<=u;h++){const v=this.atoms[h];Zh(this,v,s,u)&&d.push(v)}return n.includeChildren||(d=d.filter(h=>{let v=!1,{parent:k}=h;for(;k&&!v;)v=Zh(this,k,s,u),k=k.parent;return!v})),d}getAllAtoms(e=0){const t=[],r=this.lastOffset;for(let n=e;n<=r;n++)t.push(this.atoms[n]);for(let n=0;n<e;n++)t.push(this.atoms[n]);return t}findAtom(e,t=0,r="forward"){let n;const a=this.lastOffset;if(r==="forward"){for(let i=t;i<=a;i++)if(n=this.atoms[i],e(n))return n;for(let i=0;i<t;i++)if(n=this.atoms[i],e(n))return n;return}for(let i=t;i>=0;i--)if(n=this.atoms[i],e(n))return n;for(let i=a;i>t;i--)if(n=this.atoms[i],e(n))return n}extractAtoms(e){let t=this.getAtoms(e);if(t.length===1&&!t[0].parent)if(t[0].type==="root")t=[...t[0].body],t.shift();else return t=this.root.cells.flat(),this.root=new De({type:"root",body:[]}),t;for(const r of t)r.parent.removeChild(r);return t}deleteAtoms(e){this.extractAtoms(e),this.position=e[0]}atomToString(e,t){const r=t!=null?t:"latex";if(r.startsWith("latex"))return De.serialize([e],{expandMacro:r==="latex-expanded",skipStyles:r==="latex-unstyled",skipPlaceholders:r==="latex-without-placeholders",defaultMode:this.mathfield.options.defaultMode});if(r==="math-ml")return Ca(e);if(r==="spoken")return Nu(e);if(r==="spoken-text"){const n=window.MathfieldElement.textToSpeechMarkup;window.MathfieldElement.textToSpeechMarkup="";const a=Nu(e);return window.MathfieldElement.textToSpeechMarkup=n,a}if(r==="spoken-ssml"||r==="spoken-ssml-with-highlighting"){const n=window.MathfieldElement.textToSpeechMarkup;window.MathfieldElement.textToSpeechMarkup="ssml";const a=Nu(e);return window.MathfieldElement.textToSpeechMarkup=n,a}return r==="ascii-math"?bo(e):(console.error(`MathLive 0.98.5: Unexpected format "${r}`),"")}getValue(e,t,r){if(e===void 0)return this.atomToString(this.root,"latex");if(typeof e=="string"&&e!=="math-json")return this.atomToString(this.root,e);let n,a;if(nc(e)&&nc(t)?(n=[this.normalizeRange([e,t])],a=r):kc(e)?(n=[this.normalizeRange(e)],a=t):Uc(e)?(n=e.ranges,a=t):(n=[this.normalizeRange([0,-1])],a=e),a!=null||(a="latex"),a==="math-json"){if(!window.MathfieldElement.computeEngine)return window[Symbol.for("io.cortexjs.compute-engine")]||console.error(`The CortexJS Compute Engine library is not available.
Load the library, for example with:
import "https://unpkg.com/@cortex-js/compute-engine?module"`),'["Error", "compute-engine-not-available"]';const i=this.getValue({ranges:n},"latex-unstyled");try{const s=window.MathfieldElement.computeEngine.parse(i);return JSON.stringify(s.json)}catch(s){return JSON.stringify(["Error",`'${s.toString()}'`])}}if(a.startsWith("latex")){const i={expandMacro:a==="latex-expanded",skipStyles:a==="latex-unstyled",skipPlaceholders:a==="latex-without-placeholders",defaultMode:this.mathfield.options.defaultMode};return Xt(n.map(s=>De.serialize(this.getAtoms(s),i)))}return n.map(i=>this.getAtoms(i).map(s=>this.atomToString(s,a)).join("")).join("")}extendSelectionTo(e,t){return!this.mathfield.contentEditable&&this.mathfield.userSelect==="none"?!1:this.deferNotifications({selection:!0},()=>{const r=this.normalizeRange([e,t]);let[n,a]=r,{parent:i}=this.at(a);if(i&&(i.type==="genfrac"||i.type==="subsup"))for(;i!==this.root&&N0(this,i,[n,a]);)a=this.offsetOf(i),i=i.parent;for(i=this.at(n).parent;i!==this.root&&N0(this,i,[n,a]);)n=this.offsetOf(i.leftSibling),i=i.parent;if(i=this.at(a).parent,(i==null?void 0:i.type)==="genfrac")for(;i!==this.root&&N0(this,i,[n,a]);)a=this.offsetOf(i),console.assert(a>=0),i=i.parent;this._position=this.normalizeOffset(t),this._selection={ranges:[[n,a]],direction:"none"}})}announce(e,t,r=[]){var n,a;((a=(n=this.mathfield.host)==null?void 0:n.dispatchEvent(new CustomEvent("announce",{detail:{command:e,previousPosition:t,atoms:r},cancelable:!0,bubbles:!0,composed:!0})))!=null?a:!0)&&fg(this.mathfield,e,t,r)}deferNotifications(e,t){const r=this._selection,n=this._anchor,a=this._position,i=this.silenceNotifications;this.silenceNotifications=!0;const s=this.root.changeCounter;t();const u=this.root.changeCounter!==s,d=n!==this._anchor||a!==this._position||kf(this._selection,r)==="different";return this.silenceNotifications=i,e.content&&u&&this.contentDidChange({inputType:e.type}),e.selection&&d&&this.selectionDidChange(),u||d}normalizeOffset(e){return e>0?e=Math.min(e,this.lastOffset):e<0&&(e=this.lastOffset+e+1),e}normalizeRange(e){let[t,r]=e;return t=this.normalizeOffset(t),r=this.normalizeOffset(r),t<r?[t,r]:[r,t]}normalizeSelection(e,t){var r;let n;if(nc(e)){const a=this.normalizeOffset(e);if(nc(t)){const i=this.normalizeOffset(t);n=a<=i?{ranges:[[a,i]],direction:"none"}:{ranges:[[i,a]],direction:"backward"}}else n={ranges:[[a,a]],direction:"none"}}else if(kc(e)){const a=this.normalizeOffset(e[0]),i=this.normalizeOffset(e[1]);n=a<=i?{ranges:[[a,i]],direction:"none"}:{ranges:[[i,a]],direction:"backward"}}else Uc(e)&&(n={ranges:e.ranges.map(a=>this.normalizeRange(a)),direction:(r=e.direction)!=null?r:"none"});return console.assert(n!==void 0),n}get parentEnvironment(){let e=this.at(this.position).parent;if(e){for(;e.parent&&e.type!=="array";)e=e.parent;if(e.type==="array")return e}}get cell(){var e;let t=this.at(this.position);if(t){for(;t&&((e=t.parent)==null?void 0:e.type)!=="array";)t=t.parent;if(!(!(t!=null&&t.parent)||t.parent.type!=="array"))return t.parentBranch}}contentWillChange(e={}){if(this.silenceNotifications||!this.mathfield)return!0;const t=this.silenceNotifications;this.silenceNotifications=!0;const r=this.mathfield.onContentWillChange(e);return this.silenceNotifications=t,r}contentDidChange(e){var t;if(window.mathVirtualKeyboard.visible&&window.mathVirtualKeyboard.update(pc(this.mathfield)),this.silenceNotifications||!this.mathfield.host||!this.mathfield)return;const r=this.silenceNotifications;this.silenceNotifications=!0,this.mathfield.host.dispatchEvent(new InputEvent("input",p(C({},e),{data:e.data?e.data:(t=e.inputType)!=null?t:"",bubbles:!0,composed:!0}))),this.silenceNotifications=r}selectionDidChange(){if(!this.mathfield||(window.mathVirtualKeyboard.visible&&window.mathVirtualKeyboard.update(pc(this.mathfield)),this.silenceNotifications))return;const e=this.silenceNotifications;this.silenceNotifications=!0,this.mathfield.onSelectionDidChange(),this.silenceNotifications=e}};function Zh(e,t,r,n){const a=e.offsetOf(t);if(a<r||a>n)return!1;if(!t.hasChildren)return!0;const i=e.offsetOf(t.firstChild);if(i>=r&&i<=n){const s=e.offsetOf(t.lastChild);if(s>=r&&s<=n)return!0}return!1}function N0(e,t,r){if(!(t!=null&&t.hasChildren))return!1;const[n,a]=r,i=e.offsetOf(t.firstChild),s=e.offsetOf(t.lastChild);return i>=n&&i<=a&&s>=i&&s<=a}function pd(e,t,r,n){var a,i,s,u,d,h;const v=r.parent;if(v&&r instanceof Ti){const k=!n&&t==="forward"||n==="body"&&t==="backward";let I=k?e.offsetOf(r.firstChild):e.offsetOf(r.lastChild);return k?r.rightDelim!=="?"&&r.rightDelim!=="."?(r.leftDelim=".",r.isDirty=!0):(v.addChildrenAfter(r.removeBranch("body"),r),v.removeChild(r),I--):r.leftDelim!=="?"&&r.leftDelim!=="."?(r.rightDelim=".",r.isDirty=!0):(v.addChildrenAfter(r.removeBranch("body"),r),v.removeChild(r),I--),e.position=I,!0}if(v&&r.type==="surd"){if(t==="forward"&&!n||t==="backward"&&n==="body"){const k=r.leftSibling;r.hasChildren&&v.addChildrenAfter(r.removeBranch("body"),r),v.removeChild(r),e.position=e.offsetOf(k)}else t==="forward"&&n==="body"?e.position=e.offsetOf(r):!n&&t==="backward"?r.hasChildren?e.position=e.offsetOf(r.lastChild):(e.position=Math.max(0,e.offsetOf(r)-1),v.removeChild(r)):n==="above"&&(r.hasEmptyBranch("above")&&r.removeBranch("above"),t==="backward"?e.position=e.offsetOf(r.leftSibling):e.position=e.offsetOf(r.body[0]));return!0}if(v&&(r.type==="box"||r.type==="enclose")){const k=n&&t==="backward"||!n&&t==="forward"?r.leftSibling:r.lastChild;return v.addChildrenAfter(r.removeBranch("body"),r),v.removeChild(r),e.position=e.offsetOf(k),!0}if(r.type==="genfrac"||r.type==="overunder"){if(!n)return r.type==="overunder"&&r.hasEmptyBranch("body")||r.type==="genfrac"&&r.hasEmptyBranch("below")&&r.hasEmptyBranch("above")?!1:(e.position=e.offsetOf(t==="forward"?r.firstChild:r.lastChild),!0);const k=md.fractionNavigationOrder==="numerator-denominator"?"above":"below",I=k==="above"?"below":"above";if(v&&(t==="forward"&&n===k||t==="backward"&&n===I)){const z=r.removeBranch(k),W=r.removeBranch(I);return v.addChildrenAfter([...z,...W],r),v.removeChild(r),e.position=e.offsetOf(z.length>0?z[z.length-1]:W[0]),!0}return t==="backward"?e.position=e.offsetOf(r.leftSibling):e.position=e.offsetOf(r),!0}if(r.isExtensibleSymbol||r.type==="subsup"){if(!n&&t==="forward")return!1;if(!n){if(r.subscript||r.superscript){const k=t==="forward"?(s=(a=r.superscript)==null?void 0:a[0])!=null?s:(i=r.subscript)==null?void 0:i[0]:(h=(u=r.subscript)==null?void 0:u[0].lastSibling)!=null?h:(d=r.superscript)==null?void 0:d[0].lastSibling;return k&&(e.position=e.offsetOf(k)),!0}return!1}if(!r.hasChildren&&r.type==="subsup"){const k=t==="forward"?e.offsetOf(r):Math.max(0,e.offsetOf(r)-1);return r.parent.removeChild(r),e.position=k,!0}if(n==="superscript")if(t==="backward"){const k=e.offsetOf(r.firstChild)-1;console.assert(k>=0),e.position=k}else r.subscript?e.position=e.offsetOf(r.subscript[0]):e.position=e.offsetOf(r);else n==="subscript"&&(t==="backward"&&r.superscript?e.position=e.offsetOf(r.superscript[0].lastSibling):t==="backward"?e.position=e.offsetOf(r.firstChild)-1:e.position=e.offsetOf(r));if(n&&r.hasEmptyBranch(n)&&(r.removeBranch(n),r.type==="subsup"&&!r.subscript&&!r.superscript)){const k=t==="forward"?e.offsetOf(r):Math.max(0,e.offsetOf(r)-1);r.parent.removeChild(r),e.position=k}return!0}if((v==null?void 0:v.type)==="genfrac"&&!n&&r.type!=="first"){let k=e.offsetOf(r.leftSibling);return v.removeChild(r),v.hasEmptyBranch("above")&&v.hasEmptyBranch("below")?(k=e.offsetOf(v.leftSibling),v.parent.removeChild(v),e.announce("delete",void 0,[v]),e.position=k,!0):(e.announce("delete",void 0,[r]),e.position=k,!0)}if(t==="backward"&&((v==null?void 0:v.command)==="\\ln"||(v==null?void 0:v.command)==="\\log")&&r.parentBranch!=="body"){const k=e.offsetOf(v.leftSibling);return v.parent.removeChild(v),e.announce("delete",void 0,[v]),e.position=k,!0}return!1}function vg(e){return!e.mathfield.isSelectionEditable||!e.contentWillChange({inputType:"deleteContentBackward"})?!1:e.selectionIsCollapsed?e.deferNotifications({content:!0,selection:!0,type:"deleteContentBackward"},()=>{let t=e.at(e.position);if(!(t&&pd(e,"backward",t))){if(t!=null&&t.isFirstSibling){if(pd(e,"backward",t.parent,t.parentBranch))return;t=null}if(!t){e.announce("plonk");return}e.position=e.offsetOf(t.leftSibling),t.parent.removeChild(t),e.announce("delete",void 0,[t])}}):vc(e,fs(e.selection),"deleteContentBackward")}function gg(e){return!e.mathfield.isSelectionEditable||!e.contentWillChange({inputType:"deleteContentForward"})?!1:e.selectionIsCollapsed?e.deferNotifications({content:!0,selection:!0,type:"deleteContentForward"},()=>{var t,r;let n=e.at(e.position).rightSibling;if(n&&pd(e,"forward",n))return;if(n){if(e.at(e.position).isLastSibling&&pd(e,"forward",n.parent,n.parentBranch))return}else{if(n=e.at(e.position),n.isLastSibling&&pd(e,"forward",n.parent,n.parentBranch))return;n=void 0}if(e.position===e.lastOffset||!n){e.announce("plonk");return}n.parent.removeChild(n);let a=(t=e.at(e.position))==null?void 0:t.rightSibling;for(;(a==null?void 0:a.type)==="subsup";)a.parent.removeChild(a),a=(r=e.at(e.position))==null?void 0:r.rightSibling;e.announce("delete",void 0,[n])}):vc(e,fs(e.selection),"deleteContentForward")}function vc(e,t,r){const n=e.getAtoms(t);if(n.length>0&&n[0].parent){let a=n[0].parent.firstChild;a.type==="first"&&(a=a.rightSibling);const i=n[n.length-1].parent.lastChild;let s=n[0];s.type==="first"&&(s=s.rightSibling);const u=n[n.length-1];if(s===a&&u===i){const d=n[0].parent;d.parent&&d.type!=="prompt"&&(t=[e.offsetOf(d.leftSibling),e.offsetOf(d)])}if(n.length===1&&n[0].type==="placeholder"&&n[0].parent.type==="genfrac"){const d=n[0].parent,h=n[0].parentBranch==="below"?"above":"below",v=e.offsetOf(d.leftSibling);return e.deferNotifications({content:!0,selection:!0,type:r},()=>{var k,I;const z=d.removeBranch(h);if(z.length===1&&z[0].type==="placeholder")(I=d.parent)==null||I.removeChild(d),e.position=Math.max(0,v);else{const W=d.parent.addChildrenAfter(z,d);(k=d.parent)==null||k.removeChild(d),e.position=e.offsetOf(W)}})}}return e.deferNotifications({content:!0,selection:!0,type:r},()=>e.deleteAtoms(t))}bl({deleteAll:e=>e.contentWillChange({inputType:"deleteContent"})&&vc(e,[0,-1],"deleteContent"),deleteForward:e=>gg(e),deleteBackward:e=>vg(e),deleteNextWord:e=>e.contentWillChange({inputType:"deleteWordForward"})&&vc(e,[e.anchor,f0(e,e.position,"forward")],"deleteWordForward"),deletePreviousWord:e=>e.contentWillChange({inputType:"deleteWordBackward"})&&vc(e,[e.anchor,f0(e,e.position,"backward")],"deleteWordBackward"),deleteToGroupStart:e=>e.contentWillChange({inputType:"deleteSoftLineBackward"})&&vc(e,[e.anchor,e.offsetOf(e.at(e.position).firstSibling)],"deleteSoftLineBackward"),deleteToGroupEnd:e=>e.contentWillChange({inputType:"deleteSoftLineForward"})&&vc(e,[e.anchor,e.offsetOf(e.at(e.position).lastSibling)],"deleteSoftLineForward"),deleteToMathFieldStart:e=>e.contentWillChange({inputType:"deleteHardLineBackward"})&&vc(e,[e.anchor,0],"deleteHardLineBackward"),deleteToMathFieldEnd:e=>e.contentWillChange({inputType:"deleteHardLineForward"})&&vc(e,[e.anchor,-1],"deleteHardLineForward")},{target:"model",audioFeedback:"delete",canUndo:!0,changeContent:!0,changeSelection:!0});var 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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>`,xg=class{constructor(e,t){this.focusBlurInProgress=!1;var r,n,a;this.options=C(p(C({},af()),{macros:Rt(),registers:Ki()}),nf(t)),this.eventController=new AbortController;const i=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",this.options.defaultMode==="inline-math"?this.element.classList.add("ML__is-inline"):this.element.classList.remove("ML__is-inline"),this.dirty=!1;let s=(n=(r=t.value)!=null?r:this.element.textContent)!=null?n:"";s=s.trim();const u=ah(this.options),d=new De({type:"root",mode:u,body:E(s,{context:this.context})});this.model=new mg(this,u,d),this.undoManager=new Vm(this.model);const h=[];if(h.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>"),h.push('<span part=container class=ML__container aria-hidden=true  style="visibility:hidden">'),h.push("<span part=content class=ML__content>"),h.push(X0(this)),h.push("</span>"),window.mathVirtualKeyboard&&(h.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">`),h.push(bg),h.push("</div>")),h.push('<div part=menu-toggle class=ML__menu-toggle role=button data-l10n-tooltip="tooltip.menu">'),h.push(yg),h.push("</div>"),h.push("</span>"),h.push("<span class=ML__sr-only>"),h.push("<span role=status aria-live=assertive aria-atomic=true></span>"),h.push("</span>"),this.element.innerHTML=window.MathfieldElement.createHTML(h.join("")),!this.element.children){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");return}this._l10Subscription=Oe.subscribe(()=>Oe.update(this.element)),Oe.update(this.element),this.field=this.element.querySelector("[part=content]"),this.field.addEventListener("click",k=>k.stopImmediatePropagation(),{capture:!1,signal:i}),this.field.addEventListener("wheel",this,{passive:!1,signal:i}),"PointerEvent"in window?this.field.addEventListener("pointerdown",this,{signal:i}):this.field.addEventListener("mousedown",this,{signal:i}),(a=this.element.querySelector("[part=virtual-keyboard-toggle]"))==null||a.addEventListener("click",()=>{window.mathVirtualKeyboard.visible?window.mathVirtualKeyboard.hide():(window.mathVirtualKeyboard.show({animate:!0}),window.mathVirtualKeyboard.update(pc(this)))},{signal:i}),this._menu=new Lv(og(this),{host:this.host}),this.field.addEventListener("contextmenu",this,{signal:i});const v=this.element.querySelector("[part=menu-toggle]");v==null||v.addEventListener("pointerdown",k=>{if(k.currentTarget!==v||this._menu.state!=="closed")return;this.element.classList.add("tracking");const I=v.getBoundingClientRect();this._menu.modifiers=Yc(k),this._menu.show({target:v,location:{x:I.left,y:I.bottom},onDismiss:()=>this.element.classList.remove("tracking")}),k.preventDefault(),k.stopPropagation()},{signal:i}),(this.model.atoms.length<=1||this.disabled||this.readOnly&&!this.hasEditableContent||this.userSelect==="none")&&(v.style.display="none"),this.ariaLiveText=this.element.querySelector("[role=status]"),this.keyboardDelegate=Xp(this.element.querySelector(".ML__keyboard-sink"),this.element,this),window.addEventListener("resize",this,{signal:i}),document.addEventListener("scroll",this,{signal:i}),this.resizeObserver=new ResizeObserver(()=>lo(this)),this.resizeObserver.observe(this.field),window.mathVirtualKeyboard.addEventListener("virtual-keyboard-toggle",this,{signal:i}),Qu&&!Oe.locale.startsWith(Qu.locale)&&Up(Oe.locale),Il!=="ready"&&document.fonts.ready.then(()=>Yd(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(this.adoptStyle==="none")return this.defaultStyle;const e=this.model.at(this.model.position),t=this.adoptStyle==="right"?e.rightSibling:e;if(!t)return this.defaultStyle;if(t.type==="group"){const r=t.branch("body");return!r||r.length<2?{}:this.adoptStyle==="right"?r[1].computedStyle:r[r.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(pc(this)),gf(this))}disconnectFromVirtualKeyboard(){this.connectedToVirtualKeyboard&&(window.removeEventListener("message",this),window.mathVirtualKeyboard.disconnect(),this.connectedToVirtualKeyboard=!1,_0())}showMenu(e){var t,r;const n=(r=(t=e==null?void 0:e.location)!=null?t:du(this.field))!=null?r:void 0,a=e==null?void 0:e.modifiers,i=this.element.querySelector("[part=container]");return this._menu.show({target:i,location:n,modifiers:a})}get colorMap(){return e=>{var t,r,n;return(n=(r=(t=this.options).colorMap)==null?void 0:r.call(t,e))!=null?n:fr(e)}}get backgroundColorMap(){return e=>{var t,r,n,a,i,s;return(s=(i=(r=(t=this.options).backgroundColorMap)==null?void 0:r.call(t,e))!=null?i:(a=(n=this.options).colorMap)==null?void 0:a.call(n,e))!=null?s:Lt(e)}}get smartFence(){var e;return(e=this.options.smartFence)!=null?e:!1}get readOnly(){var e;return(e=this.options.readOnly)!=null?e:!1}get disabled(){var e,t;return(t=(e=this.host)==null?void 0:e.disabled)!=null?t:!1}get contentEditable(){return this.host?this.host.getAttribute("contenteditable")!=="false":!1}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?!1:!this.readOnly||this.hasEditablePrompts}get hasEditablePrompts(){return this.readOnly&&!this.disabled&&this.contentEditable&&this.model.findAtom(e=>e.type==="prompt"&&!e.locked)!==void 0}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),r=De.commonAncestor(e,t);return!!((r==null?void 0:r.type)==="prompt"||r!=null&&r.parentPrompt)}get letterShapeStyle(){var e;return(e=this.options.letterShapeStyle)!=null?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(e.length===0)return{};const t=C({},e[0].style);for(const r of e)for(const[n,a]of Object.entries(r.style))t[n]!==a&&delete t[n];return t}queryStyle(e){const t=b0(this,e);"verbatimColor"in t&&delete t.verbatimColor,"verbatimBackgroundColor"in t&&delete t.verbatimBackgroundColor;const r=Object.keys(t).length;if(r===0)return"all";if(r>1){for(const d of Object.keys(t)){const h=this.queryStyle({[d]:t[d]});if(h==="none")return"none";if(h==="some")return"some"}return"all"}const n=Object.keys(t)[0],a=t[n];if(this.model.selectionIsCollapsed)return this.effectiveStyle[n]===a?"all":"none";const i=this.model.getAtoms(this.model.selection,{includeChildren:!0});let s=i.length;if(s===0)return"none";let u=0;for(const d of i){if(d.type==="first"){s-=1;continue}d.style[n]===a&&(u+=1)}return u===0?"none":u===s?"all":"some"}get keybindings(){var e,t;if(this._keybindings)return this._keybindings;const[r,n]=tm(this.options.keybindings,(e=ed())!=null?e:jp());return((t=ed())==null?void 0:t.score)>0&&(this._keybindings=r,n.length>0&&console.error("MathLive 0.98.5: Invalid keybindings for current keyboard layout",n)),r}get menu(){return this._menu}setOptions(e){var t;this.options=C(C({},this.options),nf(e)),this._keybindings=void 0,this.options.defaultMode==="inline-math"?this.element.classList.add("ML__is-inline"):this.element.classList.remove("ML__is-inline");let r=this.options.defaultMode;r==="inline-math"&&(r="math"),((t=this.model.root.firstChild)==null?void 0:t.mode)!==r&&(this.model.root.firstChild.mode=r),this.options.readOnly&&this.hasFocus()&&window.mathVirtualKeyboard.visible&&this.executeCommand("hideVirtualKeyboard");const n=De.serialize([this.model.root],{expandMacro:!1,defaultMode:this.options.defaultMode});("macros"in e||this.model.getValue()!==n)&&ii.insert(this.model,n,{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)&&lo(this)}getOptions(e){return tu(this.options,e)}getOption(e){return tu(this.options,e)}handleEvent(e){return Zc(this,null,function*(){var t;if(Ac(this)){if(l0(e)){if(!Uu(e.origin,(t=this.options.originValidator)!=null?t:"none"))throw new DOMException(`Message from unknown origin (${e.origin}) cannot be handled`,"SecurityError");const{action:r}=e.data;if(r==="execute-command"){const n=e.data.command;if(Du(n)==="virtual-keyboard")return;this.executeCommand(n)}else r==="update-state"||(r==="focus"?this.focus({preventScroll:!0}):r==="blur"&&this.blur());return}switch(e.type){case"focus":this.onFocus();break;case"blur":this.onBlur();break;case"mousedown":this.userSelect!=="none"&&yh(this,e);break;case"pointerdown":this.userSelect!=="none"&&(yh(this,e),e.shiftKey===!1&&(yield Bh(e,this.element.querySelector("[part=container]"),this._menu))&&hf.stop());break;case"contextmenu":this.userSelect!=="none"&&e.shiftKey===!1&&(yield Bh(e,this.element.querySelector("[part=container]"),this._menu))&&hf.stop();break;case"virtual-keyboard-toggle":this.hasFocus()&&gf(this);break;case"resize":this.geometryChangeTimer&&cancelAnimationFrame(this.geometryChangeTimer),this.geometryChangeTimer=requestAnimationFrame(()=>Ac(this)&&this.onGeometryChange());break;case"scroll":this.geometryChangeTimer&&cancelAnimationFrame(this.geometryChangeTimer),this.geometryChangeTimer=requestAnimationFrame(()=>Ac(this)&&this.onGeometryChange());break;case"wheel":this.onWheel(e);break;default:console.warn("Unexpected event type",e.type)}}})}dispose(){if(!Ac(this))return;Oe.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();const e=this.element;delete e.mathfield,this.element=void 0,this.host=void 0,this.field=void 0,this.ariaLiveText=void 0,rv(),sm(),_v()}flushInlineShortcutBuffer(e){if(e!=null||(e={defer:!1}),!e.defer){this.inlineShortcutBuffer=[],clearTimeout(this.inlineShortcutBufferFlushTimer),this.inlineShortcutBufferFlushTimer=0;return}this.options.inlineShortcutTimeout>0&&(clearTimeout(this.inlineShortcutBufferFlushTimer),this.inlineShortcutBufferFlushTimer=setTimeout(()=>this.flushInlineShortcutBuffer(),this.options.inlineShortcutTimeout))}executeCommand(e){return Du(e)==="virtual-keyboard"?(this.focus({preventScroll:!0}),window.mathVirtualKeyboard.executeCommand(e),requestAnimationFrame(()=>window.mathVirtualKeyboard.update(pc(this))),!1):pm(this,e)}get errors(){return N(this.model.getValue(),{context:this.context})}getValue(e,t,r){return this.model.getValue(e,t,r)}setValue(e,t){var r;t=t!=null?t:{mode:"math"},t.insertionMode===void 0&&(t.insertionMode="replaceAll"),(t.format===void 0||t.format==="auto")&&(t.format="latex"),(t.mode===void 0||t.mode==="auto")&&(t.mode=(r=Df(this.model,this.model.position))!=null?r:"math");const n=this.undoManager.canUndo();ii.insert(this.model,e,t)&&(lo(this),n||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 n=window.mathVirtualKeyboard.boundingRect,a=this.host.getBoundingClientRect();a.bottom>n.top&&((e=window.document.scrollingElement)==null||e.scrollBy(0,a.bottom-n.top+8))}}this.dirty&&Qc(this,{interactive:!0});const t=this.field.getBoundingClientRect();let r=null;if(this.model.selectionIsCollapsed)r=du(this.field);else{const n=kd(this);if(n.length>0){let a=-1/0,i=-1/0;for(const s of n)s.right>a&&(a=s.right),s.top<i&&(i=s.top);r={x:a+t.left-this.field.scrollLeft,y:i+t.top-this.field.scrollTop,height:0}}}if(this.host&&r){const n=this.host.getBoundingClientRect(),a=r.y;let i=this.host.scrollTop;a<n.top?i=a-n.top+this.host.scrollTop:a>n.bottom&&(i=a-n.bottom+this.host.scrollTop+r.height),this.host.scroll({top:i,left:0})}if(r){const n=r.x-window.scrollX;let a=this.field.scrollLeft;n<t.left?a=n-t.left+this.field.scrollLeft-20:n>t.right&&(a=n-t.right+this.field.scrollLeft+20),this.field.scroll({top:this.field.scrollTop,left:a})}}insert(e,t){return typeof e!="string"||e.length===0&&((t==null?void 0:t.insertionMode)==="insertBefore"||(t==null?void 0:t.insertionMode)==="insertAfter")||e.length===0&&this.model.selectionIsCollapsed?!1:(this.flushInlineShortcutBuffer(),t=t!=null?t:{mode:"math"},t.focus&&this.focus(),t.feedback&&(window.MathfieldElement.keypressVibration&&Ue()&&navigator.vibrate(J0),window.MathfieldElement.playSound("keypress")),e==="\\\\"?ih(this.model):e==="&"?oh(this.model):this.model.selectionIsCollapsed?ii.insert(this.model,e,C({style:this.model.at(this.model.position).computedStyle},t)):ii.insert(this.model,e,t),this.snapshot(`insert-${this.model.at(this.model.position).type}`),lo(this),t.scrollIntoView&&this.scrollIntoView(),!0)}switchMode(e,t="",r=""){var n;if(this.model.mode===e||!this.hasEditableContent||!this.contentEditable||this.disabled)return;const a=this.model.mode;if(this.model.mode=e,!((n=this.host)!=null&&n.dispatchEvent(new Event("mode-change",{bubbles:!0,composed:!0,cancelable:!0})))){this.model.mode=a;return}const i=this.model.mode,{model:s}=this;s.deferNotifications({content:!!r||!!t,selection:!0,type:"insertText"},()=>{let u=!1;if(this.flushInlineShortcutBuffer(),this.stopCoalescingUndo(),t&&e!=="latex"){const d=E(t,{context:this.context,parseMode:e});s.collapseSelection("forward");const h=s.at(s.position);s.position=s.offsetOf(h.parent.addChildrenAfter(d,h)),u=!0}if(this.model.mode=e,e==="latex"){let d=s.selectionIsCollapsed;ku(this,"accept");let h,v=s.at(s.position);if(d)h="\\";else{const I=fs(s.selection);h=this.model.getValue(I,"latex");const z=this.model.extractAtoms(I);z.length===1&&z[0].type==="placeholder"&&(h=t,d=!0),v=s.at(I[0])}const k=new yn(h);v.parent.addChildAfter(k,v),d?s.position=s.offsetOf(k.lastChild):s.setSelection(s.offsetOf(k.firstChild),s.offsetOf(k.lastChild))}else td(s).forEach(d=>{d.isError=!1});if(r){const d=E(r,{context:this.context,parseMode:i});s.collapseSelection("forward");const h=s.at(s.position);s.position=s.offsetOf(h.parent.addChildrenAfter(d,h)),u=!0}return lo(this),this.undoManager.snapshot(e==="latex"?"insert-latex":"insert"),u}),this.model.mode=e,window.mathVirtualKeyboard.update(pc(this))}hasFocus(){return!this.blurred}focus(e){var t;this.hasFocus()||(this.keyboardDelegate.focus(),this.connectToVirtualKeyboard(),this.onFocus(),this.model.announce("line")),(t=e==null?void 0:e.preventScroll)!=null&&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 r,n;const a={operation:"set",silenceNotifications:!1};kc(t)?a.range=t:(t.operation==="toggle"&&(a.operation="toggle"),a.range=t.range,a.silenceNotifications=(r=t.silenceNotifications)!=null?r:!1);const i=b0(this,e),s=(n=a.operation)!=null?n:"set";if(a.range===void 0&&this.model.selectionIsCollapsed){if(s==="set"){this.defaultStyle=C(C({},this.defaultStyle),i);return}const u=C({},this.defaultStyle);for(const d of 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t=this.model.findAtom(r=>r.type==="prompt"&&r.placeholderId===e);return console.assert(t!==void 0,"MathLive 0.98.5:  no prompts with matching ID found"),t}getPromptValue(e,t){const r=this.getPrompt(e);if(!r)return"";const n=this.model.offsetOf(r.firstChild),a=this.model.offsetOf(r.lastChild);return this.model.getValue(n,a,t)}getPrompts(e){return this.model.getAllAtoms().filter(t=>t.type!=="prompt"?!1:e?!(e.id&&t.placeholderId!==e.id||e.locked&&t.locked!==e.locked||e.correctness==="undefined"&&t.correctness||e.correctness&&t.correctness!==e.correctness):!0).map(t=>t.placeholderId)}setPromptValue(e,t,r){if(t!==void 0){const n=this.getPrompt(e);if(!n){console.error(`MathLive 0.98.5: unknown prompt ${e}`);return}const a=this.model.getBranchRange(this.model.offsetOf(n),"body");this.model.setSelection(a),this.insert(t,p(C({},r),{insertionMode:"replaceSelection"}))}r!=null&&r.silenceNotifications&&(this.valueOnFocus=this.getValue()),lo(this)}setPromptState(e,t,r){const 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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(pc(this)),(e=this.host)==null||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(pc(this)),(e=this.host)==null||e.dispatchEvent(new CustomEvent("undo-state-change",{bubbles:!0,composed:!0,detail:{type:"undo"}})))}resetUndo(){var e;(e=this.undoManager)==null||e.reset()}onSelectionDidChange(){var e,t;const r=this.model;this.keyboardDelegate.setValue(r.getValue(this.model.selection,"latex-expanded"));{const 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fontsDirectory(t){throw new Error("Use MathfieldElement.fontsDirectory instead")}static get soundsDirectory(){return this._soundsDirectory}static set soundsDirectory(t){this._soundsDirectory=t,this.audioBuffers={}}get soundsDirectory(){throw new Error("Use MathfieldElement.soundsDirectory instead")}set soundsDirectory(t){throw new Error("Use MathfieldElement.soundsDirectory instead")}static get keypressSound(){return this._keypressSound}static set keypressSound(t){var r,n,a;this.audioBuffers={},t===null?this._keypressSound={spacebar:null,return:null,delete:null,default:null}:typeof t=="string"?this._keypressSound={spacebar:t,return:t,delete:t,default:t}:typeof t=="object"&&"default"in t&&(this._keypressSound={spacebar:(r=t.spacebar)!=null?r:t.default,return:(n=t.return)!=null?n:t.default,delete:(a=t.delete)!=null?a:t.default,default:t.default})}static get plonkSound(){return this._plonkSound}static set plonkSound(t){this.audioBuffers={},this._plonkSound=t}static get audioContext(){return this._audioContext||(this._audioContext=new AudioContext),this._audioContext}static get speechEngine(){return this._speechEngine}static set speechEngine(t){this._speechEngine=t}static get speechEngineRate(){return this._speechEngineRate}static set speechEngineRate(t){this._speechEngineRate=t}static get speechEngineVoice(){return this._speechEngineVoice}static set speechEngineVoice(t){this._speechEngineVoice=t}static get textToSpeechMarkup(){return this._textToSpeechMarkup}static set textToSpeechMarkup(t){this._textToSpeechMarkup=t}static get textToSpeechRules(){return this._textToSpeechRules}static set textToSpeechRules(t){this._textToSpeechRules=t}static get textToSpeechRulesOptions(){return this._textToSpeechRulesOptions}static set textToSpeechRulesOptions(t){this._textToSpeechRulesOptions=t}static get locale(){return Oe.locale}static set locale(t){t==="auto"&&(t=navigator.language.slice(0,5)),Oe.locale=t}get locale(){throw new Error("Use MathfieldElement.locale instead")}set locale(t){throw new Error("Use MathfieldElement.locale instead")}static get strings(){return Oe.strings}static set strings(t){Oe.merge(t)}get strings(){throw new Error("Use MathfieldElement.strings instead")}set strings(t){throw new Error("Use MathfieldElement.strings instead")}static get decimalSeparator(){return this._decimalSeparator}static set decimalSeparator(t){this._decimalSeparator=t,this._computeEngine&&(this._computeEngine.latexOptions.decimalMarker=this.decimalSeparator===","?"{,}":".")}get decimalSeparator(){throw new Error("Use MathfieldElement.decimalSeparator instead")}set decimalSeparator(t){throw new Error("Use MathfieldElement.decimalSeparator instead")}static get computeEngine(){var t,r;if(this._computeEngine===void 0){const n=(t=window[Symbol.for("io.cortexjs.compute-engine")])==null?void 0:t.ComputeEngine;if(!n)return null;this._computeEngine=new n,this._computeEngine&&this.decimalSeparator===","&&(this._computeEngine.latexOptions.decimalMarker="{,}")}return(r=this._computeEngine)!=null?r:null}static set computeEngine(t){this._computeEngine=t}get computeEngine(){throw new Error("Use MathfieldElement.computeEngine instead")}set computeEngine(t){throw new Error("Use MathfieldElement.computeEngine instead")}static get isFunction(){return typeof this._isFunction!="function"?()=>!1:this._isFunction}static set isFunction(t){this._isFunction=t}static loadSound(t){return Zc(this,null,function*(){delete this.audioBuffers[t];let r="";switch(t){case"keypress":r=this._keypressSound.default;break;case"return":r=this._keypressSound.return;break;case"spacebar":r=this._keypressSound.spacebar;break;case"delete":r=this._keypressSound.delete;break;case"plonk":r=this.plonkSound;break}if(typeof r!="string")return;r=r.trim();const n=this.soundsDirectory;if(!(n==null||n==="null"||r==="none"||r==="null"))try{const i=yield(yield fetch(yield q0(`${n}/${r}`))).arrayBuffer(),s=yield this.audioContext.decodeAudioData(i);this.audioBuffers[t]=s}catch(a){}})}static playSound(t){return Zc(this,null,function*(){if((this.audioContext.state==="suspended"||this.audioContext.state==="interrupted")&&(yield this.audioContext.resume()),this.audioBuffers[t]||(yield this.loadSound(t)),!this.audioBuffers[t])return;const r=this.audioContext.createBufferSource();r.buffer=this.audioBuffers[t];const n=this.audioContext.createGain();n.gain.value=Sg,r.connect(n).connect(this.audioContext.destination),r.start()})}constructor(t){if(super(),t){const r=[];for(const n of Object.keys(t))if(Hc[n])if(Hc[n].startsWith("mf."))if(Hc[n].startsWith(`mf.${n}`))r.push(`Option \`${n}\` cannot be used as a constructor option. Use ${Hc[n]}`);else{const a=Hc[n].match(/([a-zA-Z]+) =/);r.push(`Option \`${n}\` has been renamed \`${a[1]}\``)}else r.push(`Option \`${n}\` cannot be used as a constructor option. Use ${Hc[n]}`);if(r.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 n of r)console.warn(n);console.groupEnd()}}if(zu()&&(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=[sc("core"),sc("mathfield"),sc("mathfield-element"),sc("ui"),sc("menu")],this.shadowRoot.appendChild(document.createElement("span"));const r=document.createElement("slot");r.style.display="none",this.shadowRoot.appendChild(r)}else this.shadowRoot.innerHTML="<style>"+Dc("core")+Dc("mathfield")+Dc("mathfield-element")+Dc("ui")+Dc("menu")+'</style><span></span><slot style="display:none"></slot>';t&&this._setOptions(t),this.shadowRoot.addEventListener("slotchange",()=>{var r;const n=this.shadowRoot.querySelector("slot:not([name])");this.value=(r=n==null?void 0:n.assignedNodes().map(a=>a.nodeType===3?a.textContent:"").join("").trim())!=null?r:""})}showMenu(t){var r,n;return(n=(r=this._mathfield)==null?void 0:r.showMenu(t))!=null?n:!1}get mathVirtualKeyboard(){throw new Error("The `mathVirtualKeyboard` property is not available on the MathfieldElement. Use `window.mathVirtualKeyboard` instead.")}onPointerDown(){window.addEventListener("pointerup",t=>{var r;t.target===this&&!((r=this._mathfield)!=null&&r.disabled)&&this.dispatchEvent(new MouseEvent("click",{altKey:t.altKey,button:t.button,buttons:t.buttons,clientX:t.clientX,clientY:t.clientY,ctrlKey:t.ctrlKey,metaKey:t.metaKey,movementX:t.movementX,movementY:t.movementY,relatedTarget:t.relatedTarget,screenX:t.screenX,screenY:t.screenY,shiftKey:t.shiftKey}))},{once:!0})}getPromptValue(t,r){var n,a;return(a=(n=this._mathfield)==null?void 0:n.getPromptValue(t,r))!=null?a:""}setPromptValue(t,r,n){var a;(a=this._mathfield)==null||a.setPromptValue(t,r,n)}getPromptRange(t){var r,n;return(n=(r=this._mathfield)==null?void 0:r.getPromptRange(t))!=null?n:null}getPrompts(t){var r,n;return(n=(r=this._mathfield)==null?void 0:r.getPrompts(t))!=null?n:[]}get form(){var t;return(t=this._internals)==null?void 0:t.form}get name(){var t;return(t=this.getAttribute("name"))!=null?t:""}get type(){return this.localName}get mode(){var t,r;return(r=(t=this._mathfield)==null?void 0:t.model.mode)!=null?r:this.defaultMode==="text"?"text":"math"}set mode(t){var r;(r=this._mathfield)==null||r.switchMode(t)}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.
        
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Set the property directly on the mathfield instead.\n      See https://cortexjs.io/mathlive/changelog/ for details.");for(const r of Object.keys(t))Hc[r]&&console.warn(`\`mf.setOptions({${r}:...})\` -> ${Hc[r]}`);console.groupEnd(),this._setOptions(t)}executeCommand(t){var r,n;return(n=(r=this._mathfield)==null?void 0:r.executeCommand(t))!=null?n:!1}getValue(t,r,n){var a,i;if(this._mathfield)return this._mathfield.model.getValue(t,r,n);if(la.has(this)){let s,u,d;if(Uc(t)?([s,u]=t.ranges[0],d=r):kc(t)?([s,u]=t,d=r):nc(t)&&nc(r)?(s=t,u=r,d=n):(s=0,u=-1,d=t),(d===void 0||d==="latex")&&s===0&&u===-1)return(i=(a=la.get(this).value)!=null?a:this.textContent)!=null?i:""}return""}setValue(t,r){if(this._mathfield&&t!==void 0){r!=null||(r={silenceNotifications:!0,mode:"math"}),this._mathfield.setValue(t,r);return}if(la.has(this)){const a=la.get(this).options;la.set(this,{value:t,selection:{ranges:[[-1,-1]],direction:"forward"},options:a,menuItems:void 0});return}const n=vd(this);la.set(this,{value:t,selection:{ranges:[[-1,-1]],direction:"forward"},options:n,menuItems:void 0})}hasFocus(){var t,r;return(r=(t=this._mathfield)==null?void 0:t.hasFocus())!=null?r:!1}focus(){var t;(t=this._mathfield)==null||t.focus()}blur(){var t;(t=this._mathfield)==null||t.blur()}select(){var t;(t=this._mathfield)==null||t.select()}insert(t,r){var n,a;return(a=(n=this._mathfield)==null?void 0:n.insert(t,r))!=null?a:!1}applyStyle(t,r){var n;return(n=this._mathfield)==null?void 0:n.applyStyle(t,r)}queryStyle(t){var r,n;return(n=(r=this._mathfield)==null?void 0:r.queryStyle(t))!=null?n:"none"}get caretPoint(){var t,r;return(r=(t=this._mathfield)==null?void 0:t.getCaretPoint())!=null?r:null}set caretPoint(t){var r;t&&((r=this._mathfield)==null||r.setCaretPoint(t.x,t.y))}setCaretPoint(t,r){var n,a;return(a=(n=this._mathfield)==null?void 0:n.setCaretPoint(t,r))!=null?a:!1}offsetFromPoint(t,r,n){return this._mathfield?cd(this._mathfield,t,r,n):-1}hitboxFromOffset(t){if(!this._mathfield)return null;const r=this._mathfield.model.at(t);if(!r)return null;const n=jc(this._mathfield,r);return n?new DOMRect(n.left,n.top,n.right-n.left,n.bottom-n.top):null}resetUndo(){var t;(t=this._mathfield)==null||t.resetUndo()}canUndo(){return this._mathfield?this._mathfield.canUndo():!1}canRedo(){return this._mathfield?this._mathfield.canRedo():!1}handleEvent(t){var r,n,a,i;dc.state==="closed"&&((n=(r=this._mathfield)==null?void 0:r.menu)==null?void 0:n.state)==="closed"&&(t.type==="pointerdown"&&this.onPointerDown(),t.type==="focus"&&((a=this._mathfield)==null||a.focus()),t.type==="blur"&&((i=this._mathfield)==null||i.blur()))}connectedCallback(){var t,r,n,a;const i=window.getComputedStyle(this),s=this.shadowRoot,u=i.userSelect!=="none";if(u)s.host.addEventListener("pointerdown",this,!0);else{const v=s.querySelector("span");v.style.pointerEvents="none"}s.host.addEventListener("focus",this,!0),s.host.addEventListener("blur",this,!0),zu()||(this.hasAttribute("role")||this.setAttribute("role","math"),this.hasAttribute("aria-label")||this.setAttribute("aria-label","math input field"),this.setAttribute("aria-multiline","false")),u&&!this.hasAttribute("contenteditable")&&this.setAttribute("contenteditable","true"),this.hasAttribute("tabindex")||this.setAttribute("tabindex","0");const d=s.querySelector("slot:not([name])");if(d)try{this._style=d.assignedElements().filter(v=>v.tagName.toLowerCase()==="style").map(v=>v.textContent).join("")}catch(v){console.error(v)}if(this._style){const v=document.createElement("style");v.textContent=this._style,s.appendChild(v)}let h="";if(this.hasAttribute("value")?h=this.getAttribute("value"):h=(t=d==null?void 0:d.assignedNodes().map(v=>v.nodeType===3?v.textContent:"").join("").trim())!=null?t:"",this._mathfield=new xg(s.querySelector(":host > 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macros(t){this._setOptions({macros:t})}get registers(){const t=this;return new Proxy({},{get:(r,n)=>{if(typeof n=="string")return t._getOption("registers")[n]},set(r,n,a){return typeof n!="string"?!1:(t._setOptions({registers:p(C({},t._getOption("registers")),{[n]:a})}),!0)}})}set registers(t){this._setOptions({registers:t})}get colorMap(){return this._getOption("colorMap")}set colorMap(t){this._setOptions({colorMap:t})}get backgroundColorMap(){return this._getOption("backgroundColorMap")}set backgroundColorMap(t){this._setOptions({backgroundColorMap:t})}get letterShapeStyle(){return this._getOption("letterShapeStyle")}set letterShapeStyle(t){this._setOptions({letterShapeStyle:t})}get minFontScale(){return this._getOption("minFontScale")}set minFontScale(t){this._setOptions({minFontScale:t})}get smartMode(){return this._getOption("smartMode")}set smartMode(t){this._setOptions({smartMode:t})}get smartFence(){return this._getOption("smartFence")}set smartFence(t){this._setOptions({smartFence:t})}get smartSuperscript(){return this._getOption("smartSuperscript")}set smartSuperscript(t){this._setOptions({smartSuperscript:t})}get scriptDepth(){return this._getOption("scriptDepth")}set scriptDepth(t){this._setOptions({scriptDepth:t})}get removeExtraneousParentheses(){return this._getOption("removeExtraneousParentheses")}set removeExtraneousParentheses(t){this._setOptions({removeExtraneousParentheses:t})}get mathModeSpace(){return this._getOption("mathModeSpace")}set mathModeSpace(t){this._setOptions({mathModeSpace:t})}get placeholderSymbol(){return this._getOption("placeholderSymbol")}set placeholderSymbol(t){this._setOptions({placeholderSymbol:t})}get popoverPolicy(){return this._getOption("popoverPolicy")}set popoverPolicy(t){this._setOptions({popoverPolicy:t})}get environmentPopoverPolicy(){return this._getOption("environmentPopoverPolicy")}set environmentPopoverPolicy(t){this._setOptions({environmentPopoverPolicy:t})}get 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