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null;if(T.length===1)return T[0];var w=T.filter(function(E){var L=vn(Nn(E)[b.start],Nn(E)[b.end]);return L(c[b.line])});return w.length===1?w[0]:w.length>1?w.sort(function(E,L){return Nn(E)[b.start]-Nn(L)[b.start]})[0]:T.sort(function(E,L){var P=lr(c,Ir(Nn(E))),te=lr(c,Ir(Nn(L)));return P!==te?P-te:Nn(E)[b.start]-Nn(L)[b.start]})[0]},ns=function(l,c){var f=l.page.borderBox.center;return hn(l.descriptor.id,c)?_e(f,c.displacedBy.point):f},Xi=function(l,c){var f=l.page.borderBox;return hn(l.descriptor.id,c)?rr(f,vt(c.displacedBy.point)):f},wa=function(o){var l=o.pageBorderBoxCenter,c=o.viewport,f=o.destination,m=o.insideDestination,g=o.afterCritical,v=m.filter(function(b){return Kn({target:Xi(b,g),destination:f,viewport:c.frame,withDroppableDisplacement:!0})}).sort(function(b,k){var T=Zt(l,Rn(f,ns(b,g))),w=Zt(l,Rn(f,ns(k,g)));return T<w?-1:w<T?1:b.descriptor.index-k.descriptor.index});return v[0]||null},Wn=Fr(function(l,c){var f=c[l.line];return{value:f,point:dt(l.line,f)}}),Sa=function(l,c,f){var m=l.axis;if(l.descriptor.mode==="virtual")return dt(m.line,c[m.line]);var g=l.subject.page.contentBox[m.size],v=ur(l.descriptor.id,f),b=v.reduce(function(w,E){return w+E.client.marginBox[m.size]},0),k=b+c[m.line],T=k-g;return T<=0?null:dt(m.line,T)},aa=function(l,c){return(0,me.Z)({},l,{scroll:(0,me.Z)({},l.scroll,{max:c})})},_a=function(l,c,f){var m=l.frame;gn(c,l)&&xe(!1),l.subject.withPlaceholder&&xe(!1);var g=Wn(l.axis,c.displaceBy).point,v=Sa(l,g,f),b={placeholderSize:g,increasedBy:v,oldFrameMaxScroll:l.frame?l.frame.scroll.max:null};if(!m){var k=Ut({page:l.subject.page,withPlaceholder:b,axis:l.axis,frame:l.frame});return(0,me.Z)({},l,{subject:k})}var T=v?ke(m.scroll.max,v):m.scroll.max,w=aa(m,T),E=Ut({page:l.subject.page,withPlaceholder:b,axis:l.axis,frame:w});return(0,me.Z)({},l,{subject:E,frame:w})},mo=function(l){var c=l.subject.withPlaceholder;c||xe(!1);var f=l.frame;if(!f){var m=Ut({page:l.subject.page,axis:l.axis,frame:null,withPlaceholder:null});return(0,me.Z)({},l,{subject:m})}var g=c.oldFrameMaxScroll;g||xe(!1);var v=aa(f,g),b=Ut({page:l.subject.page,axis:l.axis,frame:v,withPlaceholder:null});return(0,me.Z)({},l,{subject:b,frame:v})},go=function(o){var l=o.previousPageBorderBoxCenter,c=o.moveRelativeTo,f=o.insideDestination,m=o.draggable,g=o.draggables,v=o.destination,b=o.viewport,k=o.afterCritical;if(!c){if(f.length)return null;var T={displaced:kn,displacedBy:Jn,at:{type:"REORDER",destination:{droppableId:v.descriptor.id,index:0}}},w=zi({impact:T,draggable:m,droppable:v,draggables:g,afterCritical:k}),E=gn(m,v)?v:_a(v,m,g),L=Na({draggable:m,destination:E,newPageBorderBoxCenter:w,viewport:b.frame,withDroppableDisplacement:!1,onlyOnMainAxis:!0});return L?T:null}var P=l[v.axis.line]<=c.page.borderBox.center[v.axis.line],te=function(){var qe=c.descriptor.index;return c.descriptor.id===m.descriptor.id||P?qe:qe+1}(),He=Wn(v.axis,m.displaceBy);return ui({draggable:m,insideDestination:f,destination:v,viewport:b,displacedBy:He,last:kn,index:te})},ki=function(o){var l=o.isMovingForward,c=o.previousPageBorderBoxCenter,f=o.draggable,m=o.isOver,g=o.draggables,v=o.droppables,b=o.viewport,k=o.afterCritical,T=qi({isMovingForward:l,pageBorderBoxCenter:c,source:m,droppables:v,viewport:b});if(!T)return null;var w=ur(T.descriptor.id,g),E=wa({pageBorderBoxCenter:c,viewport:b,destination:T,insideDestination:w,afterCritical:k}),L=go({previousPageBorderBoxCenter:c,destination:T,draggable:f,draggables:g,moveRelativeTo:E,insideDestination:w,viewport:b,afterCritical:k});if(!L)return null;var P=zi({impact:L,draggable:f,droppable:T,draggables:g,afterCritical:k}),te=On({pageBorderBoxCenter:P,draggable:f,viewport:b});return{clientSelection:te,impact:L,scrollJumpRequest:null}},bn=function(o){var l=o.at;return l?l.type==="REORDER"?l.destination.droppableId:l.combine.droppableId:null},xn=function(l,c){var f=bn(l);return f?c[f]:null},Ma=function(o){var l=o.state,c=o.type,f=xn(l.impact,l.dimensions.droppables),m=!!f,g=l.dimensions.droppables[l.critical.droppable.id],v=f||g,b=v.axis.direction,k=b==="vertical"&&(c==="MOVE_UP"||c==="MOVE_DOWN")||b==="horizontal"&&(c==="MOVE_LEFT"||c==="MOVE_RIGHT");if(k&&!m)return null;var T=c==="MOVE_DOWN"||c==="MOVE_RIGHT",w=l.dimensions.draggables[l.critical.draggable.id],E=l.current.page.borderBoxCenter,L=l.dimensions,P=L.draggables,te=L.droppables;return k?Ws({isMovingForward:T,previousPageBorderBoxCenter:E,draggable:w,destination:v,draggables:P,viewport:l.viewport,previousClientSelection:l.current.client.selection,previousImpact:l.impact,afterCritical:l.afterCritical}):ki({isMovingForward:T,previousPageBorderBoxCenter:E,draggable:w,isOver:v,draggables:P,droppables:te,viewport:l.viewport,afterCritical:l.afterCritical})};function Ji(o){return o.phase==="DRAGGING"||o.phase==="COLLECTING"}function Ca(o){var l=vn(o.top,o.bottom),c=vn(o.left,o.right);return function(m){return l(m.y)&&c(m.x)}}function 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l=o.displaced,c=o.id;return!!(l.visible[c]||l.invisible[c])}function ss(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 Fa=function(o){var l=o.pageBorderBoxWithDroppableScroll,c=o.draggable,f=o.destination,m=o.insideDestination,g=o.last,v=o.viewport,b=o.afterCritical,k=f.axis,T=Wn(f.axis,c.displaceBy),w=T.value,E=l[k.start],L=l[k.end],P=Tn(c,m),te=At(P,function(qe){var tt=qe.descriptor.id,pt=qe.page.borderBox.center[k.line],kt=hn(tt,b),It=os({displaced:g,id:tt});return kt?It?L<=pt:E<pt-w:It?L<=pt+w:E<pt}),He=ss({draggable:c,closest:te,inHomeList:gn(c,f)});return ui({draggable:c,insideDestination:m,destination:f,viewport:v,last:g,displacedBy:T,index:He})},vo=4,bo=function(o){var l=o.draggable,c=o.pageBorderBoxWithDroppableScroll,f=o.previousImpact,m=o.destination,g=o.insideDestination,v=o.afterCritical;if(!m.isCombineEnabled)return null;var b=m.axis,k=Wn(m.axis,l.displaceBy),T=k.value,w=c[b.start],E=c[b.end],L=Tn(l,g),P=At(L,function(He){var qe=He.descriptor.id,tt=He.page.borderBox,pt=tt[b.size],kt=pt/vo,It=hn(qe,v),cr=os({displaced:f.displaced,id:qe});return It?cr?E>tt[b.start]+kt&&E<tt[b.end]-kt:w>tt[b.start]-T+kt&&w<tt[b.end]-T-kt:cr?E>tt[b.start]+T+kt&&E<tt[b.end]+T-kt:w>tt[b.start]+kt&&w<tt[b.end]-kt});if(!P)return null;var te={displacedBy:k,displaced:f.displaced,at:{type:"COMBINE",combine:{draggableId:P.descriptor.id,droppableId:m.descriptor.id}}};return te},ls=function(o){var l=o.pageOffset,c=o.draggable,f=o.draggables,m=o.droppables,g=o.previousImpact,v=o.viewport,b=o.afterCritical,k=as(c.page.borderBox,l),T=yi({pageBorderBox:k,draggable:c,droppables:m});if(!T)return ni;var w=m[T],E=ur(w.descriptor.id,f),L=Zs(w,k);return bo({pageBorderBoxWithDroppableScroll:L,draggable:c,previousImpact:g,destination:w,insideDestination:E,afterCritical:b})||Fa({pageBorderBoxWithDroppableScroll:L,draggable:c,destination:w,insideDestination:E,last:g.displaced,viewport:v,afterCritical:b})},Ea=function(o,l){var c;return(0,me.Z)({},o,(c={},c[l.descriptor.id]=l,c))},cs=function(l){var c=l.previousImpact,f=l.impact,m=l.droppables,g=bn(c),v=bn(f);if(!g||g===v)return m;var b=m[g];if(!b.subject.withPlaceholder)return m;var k=mo(b);return Ea(m,k)},za=function(o){var l=o.draggable,c=o.draggables,f=o.droppables,m=o.previousImpact,g=o.impact,v=cs({previousImpact:m,impact:g,droppables:f}),b=bn(g);if(!b)return v;var k=f[b];if(gn(l,k)||k.subject.withPlaceholder)return v;var T=_a(k,l,c);return Ea(v,T)},ka=function(o){var l=o.state,c=o.clientSelection,f=o.dimensions,m=o.viewport,g=o.impact,v=o.scrollJumpRequest,b=m||l.viewport,k=f||l.dimensions,T=c||l.current.client.selection,w=_e(T,l.initial.client.selection),E={offset:w,selection:T,borderBoxCenter:ke(l.initial.client.borderBoxCenter,w)},L={selection:ke(E.selection,b.scroll.current),borderBoxCenter:ke(E.borderBoxCenter,b.scroll.current),offset:ke(E.offset,b.scroll.diff.value)},P={client:E,page:L};if(l.phase==="COLLECTING")return(0,me.Z)({phase:"COLLECTING"},l,{dimensions:k,viewport:b,current:P});var te=k.draggables[l.critical.draggable.id],He=g||ls({pageOffset:L.offset,draggable:te,draggables:k.draggables,droppables:k.droppables,previousImpact:l.impact,viewport:b,afterCritical:l.afterCritical}),qe=za({draggable:te,impact:He,previousImpact:l.impact,draggables:k.draggables,droppables:k.droppables}),tt=(0,me.Z)({},l,{current:P,dimensions:{draggables:k.draggables,droppables:qe},impact:He,viewport:b,scrollJumpRequest:v||null,forceShouldAnimate:v?!1:null});return tt};function js(o,l){return o.map(function(c){return l[c]})}var us=function(o){var l=o.impact,c=o.viewport,f=o.draggables,m=o.destination,g=o.forceShouldAnimate,v=l.displaced,b=js(v.all,f),k=Mi({afterDragging:b,destination:m,displacedBy:l.displacedBy,viewport:c.frame,forceShouldAnimate:g,last:v});return(0,me.Z)({},l,{displaced:k})},yo=function(o){var l=o.impact,c=o.draggable,f=o.droppable,m=o.draggables,g=o.viewport,v=o.afterCritical,b=zi({impact:l,draggable:c,draggables:m,droppable:f,afterCritical:v});return On({pageBorderBoxCenter:b,draggable:c,viewport:g})},ds=function(o){var l=o.state,c=o.dimensions,f=o.viewport;l.movementMode!=="SNAP"&&xe(!1);var m=l.impact,g=f||l.viewport,v=c||l.dimensions,b=v.draggables,k=v.droppables,T=b[l.critical.draggable.id],w=bn(m);w||xe(!1);var E=k[w],L=us({impact:m,viewport:g,destination:E,draggables:b}),P=yo({impact:L,draggable:T,droppable:E,draggables:b,viewport:g,afterCritical:l.afterCritical});return ka({impact:L,clientSelection:P,state:l,dimensions:v,viewport:g})},Da=function(o){return{index:o.index,droppableId:o.droppableId}},xo=function(o){var l=o.draggable,c=o.home,f=o.draggables,m=o.viewport,g=Wn(c.axis,l.displaceBy),v=ur(c.descriptor.id,f),b=v.indexOf(l);b===-1&&xe(!1);var k=v.slice(b+1),T=k.reduce(function(P,te){return P[te.descriptor.id]=!0,P},{}),w={inVirtualList:c.descriptor.mode==="virtual",displacedBy:g,effected:T},E=Mi({afterDragging:k,destination:c,displacedBy:g,last:null,viewport:m.frame,forceShouldAnimate:!1}),L={displaced:E,displacedBy:g,at:{type:"REORDER",destination:Da(l.descriptor)}};return{impact:L,afterCritical:w}},Us=function(o,l){return{draggables:o.draggables,droppables:Ea(o.droppables,l)}},Ka=function(l){},Nr=function(l){},Zr=function(o){var l=o.draggable,c=o.offset,f=o.initialWindowScroll,m=on(l.client,c),g=Vt(m,f),v=(0,me.Z)({},l,{placeholder:(0,me.Z)({},l.placeholder,{client:m}),client:m,page:g});return v},Yr=function(o){var l=o.frame;return l||xe(!1),l},ai=function(o){var l=o.additions,c=o.updatedDroppables,f=o.viewport,m=f.scroll.diff.value;return l.map(function(g){var v=g.descriptor.droppableId,b=c[v],k=Yr(b),T=k.scroll.diff.value,w=ke(m,T),E=Zr({draggable:g,offset:w,initialWindowScroll:f.scroll.initial});return E})},Vn=function(o){var l=o.state,c=o.published;Ka();var f=c.modified.map(function(kt){var It=l.dimensions.droppables[kt.droppableId],cr=Qt(It,kt.scroll);return cr}),m=(0,me.Z)({},l.dimensions.droppables,{},sr(f)),g=Kt(ai({additions:c.additions,updatedDroppables:m,viewport:l.viewport})),v=(0,me.Z)({},l.dimensions.draggables,{},g);c.removals.forEach(function(kt){delete v[kt]});var b={droppables:m,draggables:v},k=bn(l.impact),T=k?b.droppables[k]:null,w=b.draggables[l.critical.draggable.id],E=b.droppables[l.critical.droppable.id],L=xo({draggable:w,home:E,draggables:v,viewport:l.viewport}),P=L.impact,te=L.afterCritical,He=T&&T.isCombineEnabled?l.impact:P,qe=ls({pageOffset:l.current.page.offset,draggable:b.draggables[l.critical.draggable.id],draggables:b.draggables,droppables:b.droppables,previousImpact:He,viewport:l.viewport,afterCritical:te});Nr();var tt=(0,me.Z)({phase:"DRAGGING"},l,{phase:"DRAGGING",impact:qe,onLiftImpact:P,dimensions:b,afterCritical:te,forceShouldAnimate:!1});if(l.phase==="COLLECTING")return tt;var pt=(0,me.Z)({phase:"DROP_PENDING"},tt,{phase:"DROP_PENDING",reason:l.reason,isWaiting:!1});return pt},Aa=function(l){return l.movementMode==="SNAP"},oa=function(l,c,f){var m=Us(l.dimensions,c);return!Aa(l)||f?ka({state:l,dimensions:m}):ds({state:l,dimensions:m})};function Fo(o){return o.isDragging&&o.movementMode==="SNAP"?(0,me.Z)({phase:"DRAGGING"},o,{scrollJumpRequest:null}):o}var zo={phase:"IDLE",completed:null,shouldFlush:!1},fs=function(o,l){if(o===void 0&&(o=zo),l.type==="FLUSH")return(0,me.Z)({},zo,{shouldFlush:!0});if(l.type==="INITIAL_PUBLISH"){o.phase!=="IDLE"&&xe(!1);var c=l.payload,f=c.critical,m=c.clientSelection,g=c.viewport,v=c.dimensions,b=c.movementMode,k=v.draggables[f.draggable.id],T=v.droppables[f.droppable.id],w={selection:m,borderBoxCenter:k.client.borderBox.center,offset:q},E={client:w,page:{selection:ke(w.selection,g.scroll.initial),borderBoxCenter:ke(w.selection,g.scroll.initial),offset:ke(w.selection,g.scroll.diff.value)}},L=xr(v.droppables).every(function($l){return!$l.isFixedOnPage}),P=xo({draggable:k,home:T,draggables:v.draggables,viewport:g}),te=P.impact,He=P.afterCritical,qe={phase:"DRAGGING",isDragging:!0,critical:f,movementMode:b,dimensions:v,initial:E,current:E,isWindowScrollAllowed:L,impact:te,afterCritical:He,onLiftImpact:te,viewport:g,scrollJumpRequest:null,forceShouldAnimate:null};return qe}if(l.type==="COLLECTION_STARTING"){if(o.phase==="COLLECTING"||o.phase==="DROP_PENDING")return o;o.phase!=="DRAGGING"&&xe(!1);var tt=(0,me.Z)({phase:"COLLECTING"},o,{phase:"COLLECTING"});return tt}if(l.type==="PUBLISH_WHILE_DRAGGING")return o.phase==="COLLECTING"||o.phase==="DROP_PENDING"||xe(!1),Vn({state:o,published:l.payload});if(l.type==="MOVE"){if(o.phase==="DROP_PENDING")return o;Ji(o)||xe(!1);var pt=l.payload.client;return je(pt,o.current.client.selection)?o:ka({state:o,clientSelection:pt,impact:Aa(o)?o.impact:null})}if(l.type==="UPDATE_DROPPABLE_SCROLL"){if(o.phase==="DROP_PENDING"||o.phase==="COLLECTING")return Fo(o);Ji(o)||xe(!1);var kt=l.payload,It=kt.id,cr=kt.newScroll,Tt=o.dimensions.droppables[It];if(!Tt)return o;var br=Qt(Tt,cr);return oa(o,br,!1)}if(l.type==="UPDATE_DROPPABLE_IS_ENABLED"){if(o.phase==="DROP_PENDING")return o;Ji(o)||xe(!1);var mn=l.payload,yr=mn.id,Hr=mn.isEnabled,jn=o.dimensions.droppables[yr];jn||xe(!1),jn.isEnabled===Hr&&xe(!1);var Bn=(0,me.Z)({},jn,{isEnabled:Hr});return oa(o,Bn,!0)}if(l.type==="UPDATE_DROPPABLE_IS_COMBINE_ENABLED"){if(o.phase==="DROP_PENDING")return o;Ji(o)||xe(!1);var xi=l.payload,Wi=xi.id,Bi=xi.isCombineEnabled,Ii=o.dimensions.droppables[Wi];Ii||xe(!1),Ii.isCombineEnabled===Bi&&xe(!1);var ei=(0,me.Z)({},Ii,{isCombineEnabled:Bi});return oa(o,ei,!0)}if(l.type==="MOVE_BY_WINDOW_SCROLL"){if(o.phase==="DROP_PENDING"||o.phase==="DROP_ANIMATING")return o;Ji(o)||xe(!1),o.isWindowScrollAllowed||xe(!1);var to=l.payload.newScroll;if(je(o.viewport.scroll.current,to))return Fo(o);var ma=Kr(o.viewport,to);return Aa(o)?ds({state:o,viewport:ma}):ka({state:o,viewport:ma})}if(l.type==="UPDATE_VIEWPORT_MAX_SCROLL"){if(!Ji(o))return o;var Pa=l.payload.maxScroll;if(je(Pa,o.viewport.scroll.max))return o;var Qi=(0,me.Z)({},o.viewport,{scroll:(0,me.Z)({},o.viewport.scroll,{max:Pa})});return(0,me.Z)({phase:"DRAGGING"},o,{viewport:Qi})}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"&&xe(!1);var ga=Ma({state:o,type:l.type});return 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o},sa=function(l){return{type:"BEFORE_INITIAL_CAPTURE",payload:l}},La=function(l){return{type:"LIFT",payload:l}},Gs=function(l){return{type:"INITIAL_PUBLISH",payload:l}},ou=function(l){return{type:"PUBLISH_WHILE_DRAGGING",payload:l}},su=function(){return{type:"COLLECTION_STARTING",payload:null}},lu=function(l){return{type:"UPDATE_DROPPABLE_SCROLL",payload:l}},cu=function(l){return{type:"UPDATE_DROPPABLE_IS_ENABLED",payload:l}},uu=function(l){return{type:"UPDATE_DROPPABLE_IS_COMBINE_ENABLED",payload:l}},ec=function(l){return{type:"MOVE",payload:l}},hs=function(l){return{type:"MOVE_BY_WINDOW_SCROLL",payload:l}},du=function(l){return{type:"UPDATE_VIEWPORT_MAX_SCROLL",payload:l}},fu=function(){return{type:"MOVE_UP",payload:null}},hu=function(){return{type:"MOVE_DOWN",payload:null}},pu=function(){return{type:"MOVE_RIGHT",payload:null}},mu=function(){return{type:"MOVE_LEFT",payload:null}},Fn=function(){return{type:"FLUSH",payload:null}},Ba=function(l){return{type:"DROP_ANIMATE",payload:l}},la=function(l){return{type:"DROP_COMPLETE",payload:l}},tc=function(l){return{type:"DROP",payload:l}},rc=function(l){return{type:"DROP_PENDING",payload:l}},nc=function(){return{type:"DROP_ANIMATION_FINISHED",payload:null}};function 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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)}}}},qs={outOfTheWay:"cubic-bezier(0.2, 0, 0, 1)",drop:"cubic-bezier(.2,1,.1,1)"},Ha={opacity:{drop:0,combining:.7},scale:{drop:.75}},Xs={outOfTheWay:.2,minDropTime:.33,maxDropTime:.55},Wa=Xs.outOfTheWay+"s "+qs.outOfTheWay,wo={fluid:"opacity "+Wa,snap:"transform "+Wa+", opacity "+Wa,drop:function(l){var c=l+"s "+qs.drop;return"transform "+c+", opacity "+c},outOfTheWay:"transform "+Wa,placeholder:"height "+Wa+", width "+Wa+", margin "+Wa},Js=function(l){return je(l,q)?null:"translate("+l.x+"px, "+l.y+"px)"},Ki={moveTo:Js,drop:function(l,c){var f=Js(l);return f?c?f+" scale("+Ha.scale.drop+")":f:null}},ps=Xs.minDropTime,Ys=Xs.maxDropTime,bu=Ys-ps,ac=1500,yu=.6,xu=function(o){var l=o.current,c=o.destination,f=o.reason,m=Zt(l,c);if(m<=0)return ps;if(m>=ac)return Ys;var 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ep)switch(t.mathstyle){case"cramp":Xe=Xe.cramp;break;case"superscript":Xe=Xe.sup;break;case"subscript":Xe=Xe.sub;break;case"numerator":Xe=Xe.fracNum;break;case"denominator":Xe=Xe.fracDen;break}switch(t.mathstyle){case"textstyle":Xe=da.textstyle;break;case"displaystyle":Xe=da.displaystyle;break;case"scriptstyle":Xe=da.scriptstyle;break;case"scriptscriptstyle":Xe=da.scriptscriptstyle;break;case"":case"auto":break}}this.mathstyle=Xe,this.smartFence=De.smartFence,this.placeholderSymbol=De.placeholderSymbol,this.colorMap=(Ve=De.colorMap)!=null?Ve:$e=>$e,this.backgroundColorMap=(re=De.backgroundColorMap)!=null?re:$e=>$e,this.getMacro=De.getMacro,console.assert(this.parent!==void 0||this.registers!==void 0)}makeID(){if(!this.atomIdsSettings)return;if(this.atomIdsSettings.overrideID)return this.atomIdsSettings.overrideID;if(typeof this.atomIdsSettings.seed!="number")return`${Date.now().toString(36).slice(-2)}${Math.floor(Math.random()*1e5).toString(36)}`;const 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===kc||this.mathstyle.id===_s}get isCramped(){return this.mathstyle.cramped}get isTight(){return this.mathstyle.isTight}get metrics(){return this.mathstyle.metrics}get effectiveFontSize(){return Math.max(cl[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 nd(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 i=r.getRegister(t.register);if(i===void 0)return;if(typeof i=="string")return{string:Number(i).toString()+i};if(typeof i=="number")return{number:n*i};const a=r.evaluate(i);if(a!==void 0)return"string"in a?{string:Number(i).toString()+a.string}:"number"in a?{number:n*a.number}:"dimension"in a?_(S({},a),{dimension:n*a.dimension}):"glue"in a?_(S({},a),{glue:_(S({},a.glue),{dimension:n*a.glue.dimension}),shrink:a.shrink?_(S({},a.shrink),{dimension:n*a.shrink.dimension}):void 0,grow:a.grow?_(S({},a.grow),{dimension:n*a.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:rd(n,r)/jo}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 i=this.evaluate(t);return i===void 0?null:"string"in i?(n=(r=this.colorMap)==null?void 0:r.call(this,i.string))!=null?n:i.string:null}toBackgroundColor(t){var r,n;if(t===null)return null;const i=this.evaluate(t);return i===void 0?null:"string"in i?(n=(r=this.backgroundColorMap)==null?void 0:r.call(this,i.string))!=null?n:i.string:null}},Go=["body","above","below","superscript","subscript"];function Ua(e){return typeof e=="string"&&Go.includes(e)}function xl(e){return e!==void 0&&Array.isArray(e)&&e.length===2}var Se=class Oo{constructor(t){var r,n,i,a,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=(i=t.mode)!=null?i:"math",t.isFunction&&(this.isFunction=!0),t.limits&&(this.subsupPlacement=t.limits),this.style=S({},t.style),this.displayContainsHighlight=(a=t.displayContainsHighlight)!=null?a:!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 i;if(!r)return null;const a=_0(r),s=[];for(const d of a){const h=d[0].style,p=M0(t,d,{style:{color:h.color,backgroundColor:h.backgroundColor,fontSize:h.fontSize}});p&&s.push(p)}if(s.length===0)return null;const u=((i=n==null?void 0:n.classes)!=null?i:"").trim();return s.length===1&&!u&&!(n!=null&&n.type)?s[0].wrap(t):new Ue(s,{classes:u,type:n==null?void 0:n.type}).wrap(t)}static serialize(t,r){return Ai.serialize(t,r)}static commonAncestor(t,r){if(t===r||t.parent===r.parent)return t.parent;const n=new WeakSet;let{parent:i}=t;for(;i;)n.add(i),i=i.parent;for(i=r.parent;i;){if(n.has(i))return i;i=i.parent}console.assert(!!i)}static fromJson(t){return typeof t=="string"?new Oo({type:"mord",value:t,mode:"math"}):new Oo(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=S({},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=C0(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=le(this.command,this.mode);return r!=null&&r.serialize?r.serialize(this,t):this.body&&this.command?kr([sn(this.command,this.bodyToLatex(t)),this.supsubToLatex(t)]):this.body?kr([this.bodyToLatex(t),this.supsubToLatex(t)]):!this.value||this.value==="\u200B"?"":this.command}bodyToLatex(t){var r;return Ai.serialize(this.body,_(S({},t),{defaultMode:(r=t.defaultMode)!=null?r:this.latexMode}))}aboveToLatex(t){return Ai.serialize(this.above,t)}belowToLatex(t){return Ai.serialize(this.below,t)}supsubToLatex(t){let r="";if(t=_(S({},t),{defaultMode:"math"}),this.branch("subscript")!==void 0){const n=Ai.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=Ai.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(Ua(t)&&this._branches)return this._branches[t]}get branches(){if(!this._branches)return[];const t=[];for(const r of Go)this._branches[r]&&t.push(r);return t}createBranch(t){return console.assert(Ua(t)),Ua(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 xl(this.parentBranch)?this.parentBranch[0]:-1}get col(){return xl(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",i=typeof this.style.verbatimBackgroundColor=="string",a=S(S({},(r=(t=this.parent)==null?void 0:t.computedStyle)!=null?r:{}),this.style);return delete a.variant,delete a.variantStyle,i||delete a.verbatimBackgroundColor,n||delete a.verbatimColor,a}applyStyle(t){this.isDirty=!0,this.style=S(S({},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 0:r.getInitialBaseElement())!=null?n:this)}getFinalBaseElement(){return this.hasEmptyBranch("body")?this:this.body[this.body.length-1].getFinalBaseElement()}isCharacterBox(){return this.type==="leftright"||this.type==="genfrac"||this.type==="subsup"||this.type==="delim"||this.type==="array"||this.type==="surd"?!1:this.getFinalBaseElement().type==="mord"}hasEmptyBranch(t){const r=this.branch(t);return r?(console.assert(r.length>0),console.assert(r[0].type==="first"),r.length===1):!0}setChildren(t,r){var n;if(!t||(console.assert(Ua(r)),!Ua(r)))return;console.assert(((n=t[0])==null?void 0:n.type)!=="first");const i=[this.makeFirstAtom(r),...t];this._branches?this._branches[r]=i:this._branches={[r]:i};for(const a of t)a.parent=this,a.parentBranch=r;this.isDirty=!0}makeFirstAtom(t){const r=new Oo({type:"first",mode:this.mode});return 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 i of t)i.parent=this,i.parentBranch=r,n.push(i);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 i of t)i.parent=this,i.parentBranch=r.parentBranch;return t[t.length-1]}removeBranch(t){const r=this.branch(t);if(Ua(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 Go)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=le(this.command,this.mode);if(r!=null&&r.render)return r.render(this,t);const n=new Ar({parent:t},this.style);let i=this.createBox(n,{classes:this.parent?"":"ML__base"});return i?(!this.subsupPlacement&&(this.superscript||this.subscript)&&(i=this.attachSupsub(n,{base:i})),i.wrap(n)):null}attachSupsub(t,r){var n;const i=r.base,a=this.superscript,s=this.subscript;if(!a&&!s)return i;let u=null,d=null;const h=(n=r.isCharacterBox)!=null?n:this.isCharacterBox();let p=0;if(a){const oe=new Ar({parent:t,mathstyle:"superscript"});u=Oo.createBox(oe,a),h||(p=i.height-t.metrics.supDrop*oe.scalingFactor)}let y=0;if(s){const oe=new Ar({parent:t,mathstyle:"subscript"});d=Oo.createBox(oe,s),h||(y=i.depth+t.metrics.subDrop*oe.scalingFactor)}let M;t.isDisplayStyle?M=t.metrics.sup1:t.isCramped?M=t.metrics.sup3:M=t.metrics.sup2;const B=.5/jo/t.scalingFactor;let $=null;if(d&&u){p=Math.max(p,M,u.depth+.25*t.metrics.xHeight),y=Math.max(y,t.metrics.sub2);const oe=t.metrics.defaultRuleThickness;if(p-u.depth-(d.height-y)<4*oe){y=4*oe-(p-u.depth)+d.height;const re=.8*t.metrics.xHeight-(p-u.depth);re>0&&(p+=re,y-=re)}const Ve=this.isExtensibleSymbol&&i.italic?-i.italic:0;$=new Ln({individualShift:[{box:d,shift:y,marginLeft:Ve},{box:u,shift:-p}]}).wrap(t)}else d&&!u?(y=Math.max(y,t.metrics.sub1,d.height-.8*$a),$=new 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t;const r=[];let n=[];for(const i of e)if(!t&&!i.style)n.push(i);else{const a=i.computedStyle;t&&a.color===t.color&&a.backgroundColor===t.backgroundColor&&a.fontSize===t.fontSize?n.push(i):(n.length>0&&r.push(n),n=[i],t=a)}return n.length>0&&r.push(n),r}function M0(e,t,r){var n,i,a,s,u;if(!t||t.length===0)return null;const d=new Ar({parent:e},r.style),h=!((n=d.atomIdsSettings)!=null&&n.groupNumbers);let p=[];if(t.length===1){const M=t[0],B=M.render(d);B&&(h&&M.isSelected&&B.selected(!0),p=[B])}else{let M="",B=!0;for(const $ of t){(i=d.atomIdsSettings)!=null&&i.groupNumbers&&M&&(B&&$.isDigit()||!B&&wl($))&&(d.atomIdsSettings.overrideID=M);const oe=$.render(d);d.atomIdsSettings&&(d.atomIdsSettings.overrideID=void 0),oe&&((a=d.atomIdsSettings)!=null&&a.groupNumbers&&(($.isDigit()||wl($))&&(!M||B!==$.isDigit())&&(B=$.isDigit(),M=(s=$.id)!=null?s:""),M&&(!($.isDigit()||wl($))||!$.hasEmptyBranch("superscript")||!$.hasEmptyBranch("subscript"))&&(M="")),h&&$.isSelected&&oe.selected(!0),p.push(oe))}}if(p.length===0)return null;const y=new Ue(p,_(S({isTight:d.isTight},r),{type:(u=r.type)!=null?u:"lift"}));return y.isSelected=p.every(M=>M.isSelected),y.wrap(d)}function wl(e){return e.mode==="text"}function C0(e){return e.map(t=>t===null?"<null>":Array.isArray(t)&&t[0]instanceof Se?{atoms:t.map(r=>r.toJson())}:typeof t=="object"&&"group"in t?{group:t.group.map(r=>r.toJson())}:t)}var Ms=class tp extends Se{constructor(t,r,n){super({type:"text",command:t,mode:"text",displayContainsHighlight:!0}),this.value=r,this.verbatimLatex=r,this.applyStyle(n)}static fromJson(t){return new tp(t.command,t.value,t.style)}render(t){const r=this.createBox(t);return this.caret&&(r.caret=this.caret),r}_serialize(t){var 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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));
  --_contains-highlight-background-color: var(--contains-highlight-background-color, hsl(var(--_hue), 40%, 95%));
  --_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 {
  background: hsla(0, 0%, 70%, 0.3);
  color: #333;
  fill: currentColor;
}
.ML__virtual-keyboard-toggle > span,
.ML__menu-toggle > span {
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  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 {
  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__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;
}
`,_l=`.ML__container {
  min-height: auto !important;
  --_hue: var(--hue, 212);
  --_placeholder-color: var(--placeholder-color, hsl(var(--_hue), 40%, 49%));
  --_placeholder-opacity: var(--placeholder-opacity, 0.4);
  --_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 {
  position: absolute;
  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 {
  display: inline-block;
  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 {
  font-family: KaTeX_Main;
  font-style: normal;
}
.ML__mathit {
  font-family: KaTeX_Math;
  /* The KaTeX_Math font is italic by default, so the font-style below is only 
     useful when a fallback font is used
  */
  font-style: italic;
}
.ML__mathbf {
  font-family: KaTeX_Main;
  font-weight: bold;
}
/* Lowercase greek symbols should stick to math font when \\mathbf is applied 
   to match TeX idiosyncratic behavior */
.lcGreek.ML__mathbf {
  font-family: KaTeX_Math;
  font-weight: normal;
}
.ML__mathbfit {
  font-family: KaTeX_Math;
  font-weight: bold;
  font-style: italic;
}
.ML__ams {
  font-family: KaTeX_AMS;
}
/* Blackboard */
.ML__bb {
  font-family: KaTeX_AMS;
}
.ML__cal {
  font-family: KaTeX_Caligraphic;
}
.ML__frak {
  font-family: KaTeX_Fraktur;
}
.ML__tt {
  font-family: KaTeX_Typewriter;
}
.ML__script {
  font-family: KaTeX_Script;
}
.ML__sans {
  font-family: KaTeX_SansSerif;
}
.ML__series_ul {
  font-weight: 100;
}
.ML__series_el {
  font-weight: 100;
}
.ML__series_l {
  font-weight: 200;
}
.ML__series_sl {
  font-weight: 300;
}
.ML__series_sb {
  font-weight: 500;
}
.ML__bold,
.ML__boldsymbol {
  font-weight: 700;
}
.ML__series_eb {
  font-weight: 800;
}
.ML__series_ub {
  font-weight: 900;
}
.ML__series_uc {
  font-stretch: ultra-condensed;
}
.ML__series_ec {
  font-stretch: extra-condensed;
}
.ML__series_c {
  font-stretch: condensed;
}
.ML__series_sc {
  font-stretch: semi-condensed;
}
.ML__series_sx {
  font-stretch: semi-expanded;
}
.ML__series_x {
  font-stretch: expanded;
}
.ML__series_ex {
  font-stretch: extra-expanded;
}
.ML__series_ux {
  font-stretch: ultra-expanded;
}
.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);
}
`,Ml=`#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);
}
`,P0=`/* 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;
}
`,Pc=`/* 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);*/
}
`,vd=`.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));
}
`,R0=`: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,
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  --ui-letter-spacing: 0.007em;
  --mono-font-family: 'Berkeley Mono', 'JetBrains Mono', 'IBM Plex Mono',
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  --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',
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}
: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;
}
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.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
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 */
: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;
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  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;
}
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}
:where(.ui-menu-container > li > .label.heading) {
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  opacity: 0.4;
}
:where(.ui-menu-container > li.indent > .label) {
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}
: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) {
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  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;
}
`,Ja;function Io(e){let t="";switch(e){case"mathfield-element":t=`
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    :host([hidden]) { display: none; }
    :host([disabled]), :host([disabled]:focus), :host([disabled]:focus-within) { outline: none; opacity:  .5; }
    :host(:focus), :host(:focus-within) {
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    }
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      outline: none;
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s=e[a];s.type==="middle"?(e[a]=t.bind(r,qo("inner",s.value,n,i,r,{isSelected:t.isSelected})),e[a].caret=s.caret,e[a].isSelected=s.isSelected,e[a].cssId=s.cssId,e[a].htmlData=s.htmlData,e[a].htmlStyle=s.htmlStyle,e[a].attributes=s.attributes,e[a].cssProperties=s.cssProperties):s.children&&o(s.children,t,r,n,i)}}var l=class up extends Se{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=Se.createBox(t,this.body);return r?(this.caret&&(r.caret=this.caret),this.bind(t,r)):null}},c=class dp extends Se{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 Se{constructor(t,r,n=!1,i,a){var s;super({type:"prompt",mode:(s=a==null?void 0:a.mode)!=null?s:"math",style:a==null?void 0:a.style,command:"\\placeholder"}),this.body=i,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 Ar({parent:t}),n=r.getRegisterAsEm("fboxsep"),i=n,a=n,s=Se.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 Ue(s,{type:"ord"});u.setStyle("display","inline-block"),u.setStyle("height",s.height+s.depth,"em"),u.setStyle("vertical-align",-a,"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 Ue(null,{classes:d,attributes:{part:"prompt"}});h.height=u.height+a,h.depth=u.depth+a,h.width=u.width+2*i,h.setStyle("box-sizing","border-box"),h.setStyle("position","absolute"),h.setStyle("height",u.height+u.depth+2*a,"em"),i===0&&h.setStyle("width","100%"),i!==0&&(h.setStyle("width",`calc(100% + ${2*i}em)`),h.setStyle("top",n,"em"),h.setStyle("left",-i,"em")),(!this.body||this.body.length===1)&&(h.width=3*i,h.setStyle("width",`calc(100% + ${3*i}em)`),h.setStyle("left",-1.5*i,"em"));let p="";this.correctness==="incorrect"&&(p+='<line x1="3%"  y1="97%" x2="97%" y2="3%" stroke-width="0.5" stroke="var(--incorrect-color, var(--ML__incorrect-color))" stroke-linecap="round" />'),p&&(h.svgOverlay=p);const y=new Ue([h,u],{classes:"ML__prompt-atom"});return y.setStyle("position","relative"),y.setStyle("display","inline-block"),y.setStyle("line-height",0),y.height=u.height+a+.2,y.depth=u.depth+a,y.left=i,y.right=i,y.setStyle("height",u.height+a,"em"),y.setStyle("top",u.depth-u.height,"em"),y.setStyle("vertical-align",u.depth+a,"em"),y.setStyle("margin-left",.5,"em"),y.setStyle("margin-right",.5,"em"),this.caret&&(y.caret=this.caret),this.bind(r,this.attachSupsub(t,{base:y}))}_serialize(t){var r;const n=(r=this.bodyToLatex(t))!=null?r:"";if(t.skipPlaceholders)return n;let i="\\placeholder";return this.placeholderId&&(i+=`[${this.placeholderId}]`),this.correctness==="correct"?i+="[correct]":this.correctness==="incorrect"&&(i+="[incorrect]"),this.locked&&(i+="[locked]"),sn(i,n)}},m=class hp extends Se{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 Go)t[n]&&r.setChildren(t[n],n);return r}render(t){var r;const n=new Ar({parent:t,isPhantom:!0}),i=this.leftSibling,a=(r=i.render(n))!=null?r:new Ue(null),s=new Ue(null);return s.height=a.height,s.depth=a.depth,this.attachSupsub(t,{base:s,isCharacterBox:i.isCharacterBox(),type:"ignore"})}_serialize(t){return this.supsubToLatex(t)}};function g(e){return e?!/^(<$$>|<$>|<space>|<{>|<}>|#[0-9\?]|\\.+)$/.test(e):!1}var v=class{constructor(e,t,r){this.errors=[],this.index=0,this.endCount=0;var n,i,a,s;r!=null||(r={}),this.tokens=e,this.context=t instanceof Ar&&!(r!=null&&r.parseMode)&&!r.mathstyle?t:new Ar({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:(i=r.style)!=null?i:{},parseMode:(a=r.parseMode)!=null?a:"math",mathstyle:(s=r.mathstyle)!=null?s:"displaystyle",tabular:!1}}beginContext(e){var t,r,n;const i=this.parsingContext,a={parent:i,mathlist:[],style:S({},i.style),parseMode:(t=e==null?void 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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 m({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=le(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?b(t,{parseMode:this.parseMode,mathstyle:"textstyle"}):[new 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u=null;this.skipWhitespace(),this.match("[")&&(u=this.scanDimen(),this.skipWhitespace(),this.match("]")),i.push(u!=null?u:{dimension:0}),n.push(a),a=[]}else this.mathlist.push(...this.scan(u=>["<}>","&","\\end","\\cr","\\\\","\\tabularnewline"].includes(u)));while(!s);return a.push(this.mathlist),a.length>0&&n.push(a),this.endContext(),t.createAtom(e,n,i,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=[],i=null;for(;!this.end()&&!e(this.peek());)this.hasInfixCommand()&&!t?(t=this.get(),r=le(t,"math"),r&&(n=this.scanArguments(r)[1]),i=this.mathlist,this.mathlist=[]):this.parseExpression();let a;return t?(console.assert(!!r),n.unshift(this.mathlist),i&&n.unshift(i),a=[r.createAtom({command:t,args:n,style:this.style,mode:this.parseMode})]):a=this.mathlist,this.endContext(),a}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 kd(t,this.parseMode,this.style);return r.verbatimLatex=Eo(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 cn("",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(!g(e)&&!e.startsWith("\\"))return null;this.next();const t=le(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 $o("\\right");if(this.match("\\mright"))return this.onError({code:"unbalanced-braces"}),new $o("\\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 $o(t==="\\right"?"\\left":"\\mleft");for(this.beginContext();!this.end()&&!this.match(t);)this.parseExpression();const 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Ue([Xe,re,$e],{isTight:i.isTight,type:"inner",classes:"mfrac"}),Ot=this.bind(t,yt);return this.caret&&(Ot.caret=this.caret),this.attachSupsub(t,{base:Ot})}},Tt=class yp extends Se{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),S({type:"latex",value:this.value},t)}get computedStyle(){return{}}render(t){const r=new Ue(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}},br=class xp extends Se{constructor(t){super({type:"latexgroup",mode:"latex"}),this.body=[...t].map(r=>new Tt(r)),this.skipBoundary=!1}static fromJson(t){return new xp("")}toJson(){return super.toJson()}render(t){const r=Se.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(i=>i.value).join(""))!=null?n:""}},mn=class wp extends Se{constructor(t,r){super(_(S({},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",i=new Ue(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(!i)return null;i.right=i.italic;const 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Ln({bottom:u,children:[e.metrics.bigOpSpacing5,{box:t.below,classes:s},{box:i,classes:["ML__center"]},r,{box:t.above,classes:s},e.metrics.bigOpSpacing5]})}else t.below?n=new Ln({top:i.height-a,children:[e.metrics.bigOpSpacing5,{box:t.below,classes:s},{box:i,classes:["ML__center"]}]}):t.above&&(n=new Ln({bottom:i.depth+a,children:[{box:i,classes:["ML__center"]},r,{box:t.above,classes:s},e.metrics.bigOpSpacing5]}));return new Ue(n,{type:t.type})}var Bn=class Mp extends Se{constructor(t){var r,n,i,a;super(_(S({},t),{type:"phantom"})),this.captureSelection=!0,this.isInvisible=(r=t.isInvisible)!=null?r:!1,this.smashDepth=(n=t.smashDepth)!=null?n:!1,this.smashHeight=(i=t.smashHeight)!=null?i:!1,this.smashWidth=(a=t.smashWidth)!=null?a:!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),S(S({},super.toJson()),t)}render(t){const r=new Ar({parent:t,isPhantom:!0});if(!this.smashDepth&&!this.smashHeight&&!this.smashWidth)return console.assert(this.isInvisible),Se.createBox(r,this.body,{classes:"inner"});const n=Se.createBox(this.isInvisible?r:t,this.body);if(!n)return null;if(this.smashWidth){const i=new Ue(null,{classes:"fix"});return new Ue([n,i],{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 i of n.children)this.smashHeight&&(i.height=0),this.smashDepth&&(i.depth=0);return new Ln({firstBaseline:[{box:n}]},{type:n.type}).wrap(t)}},xi=class Cp extends Se{constructor(t){var r;super(S({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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e&&e.key&&$s[e.key]&&(r=_(S(S({},$s[e.key]),e),{key:$s[e.key].key})),r?(r.command==="insertDecimalSeparator"&&(r.label=(t=window.MathfieldElement.decimalSeparator)!=null?t:"."),e.label==="[action]"&&(r=S(S({},r),window.mathVirtualKeyboard.actionKeycap)),e.label==="[shift]"&&(r=S(S({},r),window.mathVirtualKeyboard.shiftKeycap)),e.label==="[backspace]"&&(r=S(S({},r),window.mathVirtualKeyboard.backspaceKeycap)),e.label==="[tab]"&&(r=S(S({},r),window.mathVirtualKeyboard.tabKeycap)),r):e}var qc;function Tm(e){var t;if(e.button!==0)return;const r=Yo.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 i=Kl(e.target);if(!(i!=null&&i.id))return;const a=r.getKeycap(i.id);if(!a)return;console.assert(e.type==="pointerdown");const s=new AbortController,u=s.signal;i.classList.add("is-pressed"),i.addEventListener("pointerenter",Wd(s),{capture:!0,signal:u}),i.addEventListener("pointerleave",Wd(s),{capture:!0,signal:u}),i.addEventListener("pointercancel",Wd(s),{signal:u}),i.addEventListener("pointerup",Wd(s),{signal:u}),Hl(a)&&(i.classList.add("is-active"),r.shiftPressCount++),a.variants&&(qc&&clearTimeout(qc),qc=setTimeout(()=>{i.classList.contains("is-pressed")&&(i.classList.remove("is-pressed"),i.classList.add("is-active"),e.target&&"releasePointerCapture"in e.target&&e.target.releasePointerCapture(e.pointerId),Qf(i,()=>{s.abort(),i==null||i.classList.remove("is-active")}))},300)),e.preventDefault()}function Wd(e){return t=>{const r=Kl(t.target);if(!(r!=null&&r.id))return;const n=Yo.singleton;if(!n)return;const 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Wl(e,t,r){var n,i,a,s,u,d,h;const p=e.position;(n=r==null?void 0:r.extend)!=null&&n||e.collapseSelection(t);let y=e.at(e.position);if(t==="forward"&&(y.type==="subsup"?(y=y.rightSibling,y||(y=e.at(e.position+1))):y=e.at(e.position+1)),!y)return e.announce("plonk"),!1;let M=e.offsetOf(y);if(y instanceof Ms)M=ff(e,M,t);else if(y instanceof Tt)if(y.isSuggestion)for(console.assert(t==="forward");y&&y instanceof Tt;)y.isSuggestion=!1,M=e.offsetOf(y),y=y.rightSibling;else if(t==="forward"){if(y=y.rightSibling,!y||!(y instanceof Tt))return e.announce("plonk"),!1;for(;y&&y instanceof Tt&&/[a-zA-Z\*]/.test(y.value);)M=e.offsetOf(y),y=y.rightSibling}else{if(y=y.leftSibling,!y||!(y instanceof Tt))return e.announce("plonk"),!1;for(;y&&y instanceof Tt&&/[a-zA-Z\*]/.test(y.value);)M=e.offsetOf(y),y=y.leftSibling}else if(t==="forward"&&y.type==="mopen"){let B=0;do y.type==="mopen"?B+=1:y.type==="mclose"&&(B-=1),y=y.rightSibling;while(!y.isLastSibling&&B!==0);M=e.offsetOf(y.leftSibling)}else if(t==="backward"&&y.type==="mclose"){let B=0;do y.type==="mopen"?B+=1:y.type==="mclose"&&(B-=1),y=y.leftSibling;while(!y.isFirstSibling&&B!==0);M=e.offsetOf(y)}else if(t==="backward")if(y.type==="first")for(;M>0&&y.type==="first";)M-=1,y=e.at(M);else{const B=y.type;y.type==="subsup"&&(M=e.offsetOf(e.at(M).leftSibling)),M-=1;let $=(i=e.at(M))==null?void 0:i.type;for(;M>=0&&$===B;)((a=e.at(M))==null?void 0:a.type)==="subsup"?M=e.offsetOf(e.at(M).leftSibling):M-=1,$=e.at(M).type}else{const{type:B}=y;let $=(s=e.at(M))==null?void 0:s.type;const{lastOffset:oe}=e;for(;M<=oe&&($===B||$==="subsup");){for(;((u=e.at(M).rightSibling)==null?void 0:u.type)==="subsup";)M=e.offsetOf(e.at(M).rightSibling);M+=1,$=(d=e.at(M))==null?void 0:d.type}M-=1}if((h=r==null?void 0:r.extend)!=null&&h){if(!e.setSelection(e.anchor,M))return e.announce("plonk"),!1}else{if(M===e.position)return e.announce("plonk"),!1;e.position=M}return e.announce("move",p),e.mathfield.stopCoalescingUndo(),!0}function io(e,t,r){var n,i;if(r=r!=null?r:{extend:!1},e.mathfield.adoptStyle=t==="backward"?"right":"left",t!=="forward"){const[u,d]=Zf(e);u!==void 0&&d!==void 0&&e.deleteAtoms([u,d])}if(t==="upward")return Um(e,r);if(t==="downward")return Gm(e,r);if(r.extend){let u=qd(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=io(e,t);return e.mathfield.stopCoalescingUndo(),u}let a=e.position;const s=a;if(e.collapseSelection(t)?(a=e.position,uh(e,a)||(a=qd(e,a,t))):a=qd(e,a,t),a<0||a>e.lastOffset){let u=!0;return e.silenceNotifications||(u=(i=(n=e.mathfield.host)==null?void 0:n.dispatchEvent(new CustomEvent("move-out",{detail:{direction:t},cancelable:!0,bubbles:!0,composed:!0})))!=null?i:!0),u&&e.announce("plonk"),u}return e.setPositionHandlingPlaceholder(a),e.mathfield.stopCoalescingUndo(),e.announce("move",s),!0}function qd(e,t,r){return t=t+(r==="forward"?1:-1),t<0||t>e.lastOffset||uh(e,t)?t:qd(e,t,r)}function uh(e,t){var r;const n=e.at(t);let i=n.parent;for(;i&&!i.inCaptureSelection;)i=i.parent;return!(i!=null&&i.inCaptureSelection||(r=n.parent)!=null&&r.skipBoundary&&(!n.isFirstSibling&&n.isLastSibling||n.type==="first")||e.mathfield.hasEditablePrompts&&!n.parentPrompt)}function jm(e,t,r){let n=1/0,i=0;for(;i<t.length;i++){const a=md(e.getHTMLElement(t[i])).right,s=Math.abs(r-a);if(s<=n)n=s;else break}return t[i-1]}function Xd(e,t,r,n,i){const a=e.mathfield.hasEditablePrompts,s=a?r.filter(h=>h.type==="prompt"&&!h.captureSelection):r,u=md(e.mathfield.getHTMLElement(t)).right,d=e.offsetOf(jm(e.mathfield,s,u))-(a?1:0);if(n){const[h,p]=e.selection.ranges[0];let y;d<(i==="up"?h:p)?y={ranges:[[d,p]],direction:"backward"}:y={ranges:[[h,d]],direction:"forward"},e.setSelection(y)}else e.setPositionHandlingPlaceholder(d);e.announce(`move ${i}`)}function Um(e,t){var r,n;const i=(r=t==null?void 0:t.extend)!=null?r:!1;i||e.collapseSelection("backward");const a=()=>{var d,h;let p=!0;return e.silenceNotifications||(p=(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(p?"plonk":"line"),p},s=e.at(e.position);let u=s;for(;u&&u.parentBranch!=="below"&&!(Array.isArray(u.parentBranch)&&u.parent instanceof jr);)u=u.parent;if(Array.isArray(u==null?void 0:u.parentBranch)&&u.parent instanceof jr){const d=u.parent;if(u.parentBranch[0]<1)return a();const h=u.parentBranch[0]-1,p=d.array[h][u.parentBranch[1]];if(!p.some(M=>M.type==="prompt"&&!M.captureSelection)&&e.mathfield.hasEditablePrompts)return a();Xd(e,s,p,i,"up")}else if(u){const d=(n=u.parent.branch("above"))!=null?n:u.parent.createBranch("above");if(!d.some(p=>p.type==="prompt"&&p.placeholderId)&&e.mathfield.hasEditablePrompts)return a();Xd(e,s,d,i,"up")}else return a();return e.mathfield.stopCoalescingUndo(),!0}function Gm(e,t){var r,n;const i=(r=t==null?void 0:t.extend)!=null?r:!1;i||e.collapseSelection("forward");const a=()=>{var d,h;let p=!0;return e.silenceNotifications||(p=(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(p?"plonk":"line"),p},s=e.at(e.position);let u=s;for(;u&&u.parentBranch!=="above"&&!(Array.isArray(u.parentBranch)&&u.parent instanceof jr);)u=u.parent;if(Array.isArray(u==null?void 0:u.parentBranch)&&u.parent instanceof jr){const d=u.parent;if(u.parentBranch[0]+1>d.array.length-1)return a();const h=u.parentBranch[0]+1,p=d.array[h][u.parentBranch[1]];if(!p.some(M=>M.type==="prompt"&&!M.captureSelection)&&e.mathfield.hasEditablePrompts)return a();Xd(e,s,p,i,"down")}else if(u){const d=(n=u.parent.branch("below"))!=null?n:u.parent.createBranch("below");if(!d.some(p=>p.type==="prompt")&&e.mathfield.hasEditablePrompts)return a();Xd(e,s,d,i,"down")}else return a();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 m({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 m({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=[],p=[];return[...d.querySelectorAll(`input, select, textarea, a[href], button,
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y=((h=d.form)!=null?h:d.ownerDocument).querySelectorAll('input[type="radio"][name="'+d.name+'"]'),M=a(y,d.form);return!M||M===d}function u(d){if(!Ne()||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 Ne()?e(document.body):[]}function Si(e,t,r="forward"){const n=e.position;if(Array.isArray(t)){const i=e.offsetOf(t[0]),a=e.offsetOf(t[t.length-1]);return r==="forward"?e.setSelection(i,a):e.setSelection(a,i),e.announce("move",n),e.mathfield.stopCoalescingUndo(),!0}return r==="forward"?Si(e,[t.leftSibling,t]):Si(e,[t,t.leftSibling])}function Ra(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 Jd(e,t,r=!0){var n,i;const a=t==="forward"?1:-1;e.at(e.anchor).type==="placeholder"&&io(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+a,0);const d=hf(e,s,t);if(!d||t==="forward"&&e.offsetOf(d)<s||t==="backward"&&e.offsetOf(d)>s){if(!r||!((i=(n=e.mathfield.host)==null?void 0:n.dispatchEvent(new CustomEvent("move-out",{detail:{direction:t},cancelable:!0,bubbles:!0,composed:!0})))==null||i))return e.announce("plonk"),!1;const p=Jm();if(!document.activeElement||p.length<=1)return e.announce("plonk"),!1;let y=p.indexOf(document.activeElement)+a;return y<0&&(y=p.length-1),y>=p.length&&(y=0),p[y].focus(),e.mathfield.stopCoalescingUndo(),!0}return Ra(e,d),!0}function hf(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)}Vi({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 i=r.parentBranch;let a;if(typeof i=="string"&&(a=t[i]),!a){const u=r.subsupPlacement?hh(e):fh(e);return e.mathfield.stopCoalescingUndo(),u}n.branch(a)||n.createBranch(a);const s=e.setSelection(e.getBranchRange(e.offsetOf(n),a));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=>io(e,"forward"),moveToPreviousChar:e=>io(e,"backward"),moveUp:e=>io(e,"upward"),moveDown:e=>io(e,"downward"),moveToNextWord:e=>Wl(e,"forward"),moveToPreviousWord:e=>Wl(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,i;if(e.position===e.lastOffset&&e.anchor===e.lastOffset)return Jd(e,"forward");const a=e.at(e.position);if(a.mode==="text"){if(e.selectionIsCollapsed){let M=a;for(;M&&M.mode==="text";)M=M.leftSibling;let B=a;for(;((t=B.rightSibling)==null?void 0:t.mode)==="text";)B=B.rightSibling;if(M&&B)return Si(e,[M,B])}if(a.rightSibling.mode==="text"){let M=a;for(;M&&M.mode==="text";)M=M.rightSibling;return M?(Ra(e,(r=M.leftSibling)!=null?r:M),e.mathfield.switchMode("math"),!0):Ra(e,e.lastOffset)}}const u=e.at(e.anchor).parentPrompt,d=u?e.offsetOf(u)+1:Math.max(e.position+1,0),h=hf(e,d,"forward");if(h)return Ra(e,h);const p=ph(e,a,M=>M.type==="leftright"||M.type==="text","forward");if(p){if(p.mode==="text"){let M=p;for(;M&&M.mode==="text";)M=M.rightSibling;return Si(e,[(n=p.leftSibling)!=null?n:p,(i=M.leftSibling)!=null?i:M])}return Si(e,p)}const y=a.parent;if(y){if(y.type==="leftright"||y.type==="surd")return Si(e,y);if(a.parentBranch==="superscript"&&y.subscript)return Si(e,y.subscript);if(a.parentBranch==="above"&&y.below)return Si(e,y.below);if(a.parentBranch==="superscript"||a.parentBranch==="subscript")return Ra(e,y);if(a.parentBranch==="above"||a.parentBranch==="below")return Si(e,y)}return Ra(e,e.lastOffset)},moveToPreviousGroup:e=>{var t;if(e.position===0&&e.anchor===0)return Jd(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 Si(e,[u,d])}for(;r&&r.mode==="text";)r=r.leftSibling;return r?Ra(e,r):Ra(e,0)}const i=e.at(e.anchor).parentPrompt,a=i?e.offsetOf(i.leftSibling):Math.max(e.position-1,0),s=hf(e,a,"backward");if(s)return Ra(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 Si(e,[u,h])}return Si(e,u)}const d=r.parent;if(d){if(d.type==="leftright"||d.type==="surd")return Si(e,d);if(r.parentBranch==="subscript"&&d.superscript)return Si(e,d.superscript);if(r.parentBranch==="below"&&d.above)return Si(e,d.above);if(r.parentBranch==="superscript"||r.parentBranch==="subscript")return Ra(e,d);if(r.parentBranch==="above"||r.parentBranch==="below")return Si(e,d)}return 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if(t==="line"){const a=Xl("",e.model.root);e.keyboardDelegate.setAriaLabel(a)}else i=n?Xl(t+" ",n):t;if(i){const a=e.ariaLiveText.textContent.includes("\xA0")?" \u202F ":" \xA0 ";e.ariaLiveText.textContent=i+a}}function hv(e,t){if(Number.isNaN(t))return"";const r=e.at(t);if(!r||r.treeDepth<=e.at(e.position).treeDepth)return"";let n="",i=r.parent;const a=e.at(e.position).parent;for(;i!==e.root&&i!==a;)n+=`out of ${Wh(i)};`,i=i.parent;return n}function pv(e){if(!e.selectionIsCollapsed)return Xl("",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+=Xl("",r),t}var mv=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 i={};if((t==null?void 0:t.type)==="undo"&&(i={inputType:"historyUndo"}),(t==null?void 0:t.type)==="redo"&&(i={inputType:"historyRedo"}),this.contentWillChange(i)){const a=this.silenceNotifications;this.silenceNotifications=!0,this.mode=e.mode,this.root=wi(e.content),this.selection=e.selection,this.silenceNotifications=a,this.contentDidChange(i)}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,i;const a=this.normalizeSelection(e,t);if(a===void 0)throw new TypeError("Invalid selection");if(a.ranges.length===1&&a.ranges[0][0]===a.ranges[0][1]){const p=a.ranges[0][0];if(!this.mathfield.dirty&&!((r=this.at(p))!=null&&r.parentPrompt)&&this.mathfield.hasEditablePrompts){if((n=this.at(p-1))!=null&&n.parentPrompt){this._anchor=this.normalizeOffset(p-1),this._position=this._anchor,this._selection=this.normalizeSelection(this._anchor);return}if((i=this.at(p+1))!=null&&i.parentPrompt){this._anchor=this.normalizeOffset(p+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=p,this._position=p,this._selection=a;return}const s=Qn(a);a.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=Se.commonAncestor(u,d);(h==null?void 0:h.type)==="array"&&u.parent===h&&d.parent===h?this._selection={ranges:[s],direction:a.direction}:this._selection={ranges:[s],direction:a.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 Tt&&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(Cs(e)){if(n=t!=null?t:{},e.ranges.length>1)return e.ranges.reduce((h,p)=>[...h,...this.getAtoms(p,n)],[]);e=e.ranges[0]}let i,a;if(Ga(e)){if(i=e,!Ga(t))return[];a=t}else[i,a]=e,n=t!=null?t:{};if(!Number.isFinite(i))return[];n.includeChildren===void 0&&(n.includeChildren=!1),i<0&&(i=this.lastOffset-i+1),a<0&&(a=this.lastOffset-a+1);const s=Math.min(i,a)+1,u=Math.max(i,a);if(!n.includeChildren&&s===1&&u===this.lastOffset)return[this.root];let d=[];for(let h=s;h<=u;h++){const p=this.atoms[h];Vh(this,p,s,u)&&d.push(p)}return n.includeChildren||(d=d.filter(h=>{let p=!1,{parent:y}=h;for(;y&&!p;)p=Vh(this,y,s,u),y=y.parent;return!p})),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 i=this.lastOffset;if(r==="forward"){for(let a=t;a<=i;a++)if(n=this.atoms[a],e(n))return n;for(let a=0;a<t;a++)if(n=this.atoms[a],e(n))return n;return}for(let a=t;a>=0;a--)if(n=this.atoms[a],e(n))return n;for(let a=i;a>t;a--)if(n=this.atoms[a],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 Se({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 Se.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 Wr(e);if(r==="spoken")return Gl(e);if(r==="spoken-text"){const n=window.MathfieldElement.textToSpeechMarkup;window.MathfieldElement.textToSpeechMarkup="";const i=Gl(e);return window.MathfieldElement.textToSpeechMarkup=n,i}if(r==="spoken-ssml"||r==="spoken-ssml-with-highlighting"){const n=window.MathfieldElement.textToSpeechMarkup;window.MathfieldElement.textToSpeechMarkup="ssml";const i=Gl(e);return window.MathfieldElement.textToSpeechMarkup=n,i}return r==="ascii-math"?Cn(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,i;if(Ga(e)&&Ga(t)?(n=[this.normalizeRange([e,t])],i=r):Lo(e)?(n=[this.normalizeRange(e)],i=t):Cs(e)?(n=e.ranges,i=t):(n=[this.normalizeRange([0,-1])],i=e),i!=null||(i="latex"),i==="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 a=this.getValue({ranges:n},"latex-unstyled");try{const s=window.MathfieldElement.computeEngine.parse(a);return JSON.stringify(s.json)}catch(s){return JSON.stringify(["Error",`'${s.toString()}'`])}}if(i.startsWith("latex")){const a={expandMacro:i==="latex-expanded",skipStyles:i==="latex-unstyled",skipPlaceholders:i==="latex-without-placeholders",defaultMode:this.mathfield.options.defaultMode};return kr(n.map(s=>Se.serialize(this.getAtoms(s),a)))}return n.map(a=>this.getAtoms(a).map(s=>this.atomToString(s,i)).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,i]=r,{parent:a}=this.at(i);if(a&&(a.type==="genfrac"||a.type==="subsup"))for(;a!==this.root&&Of(this,a,[n,i]);)i=this.offsetOf(a),a=a.parent;for(a=this.at(n).parent;a!==this.root&&Of(this,a,[n,i]);)n=this.offsetOf(a.leftSibling),a=a.parent;if(a=this.at(i).parent,(a==null?void 0:a.type)==="genfrac")for(;a!==this.root&&Of(this,a,[n,i]);)i=this.offsetOf(a),console.assert(i>=0),a=a.parent;this._position=this.normalizeOffset(t),this._selection={ranges:[[n,i]],direction:"none"}})}announce(e,t,r=[]){var n,i;((i=(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?i:!0)&&fv(this.mathfield,e,t,r)}deferNotifications(e,t){const r=this._selection,n=this._anchor,i=this._position,a=this.silenceNotifications;this.silenceNotifications=!0;const s=this.root.changeCounter;t();const u=this.root.changeCounter!==s,d=n!==this._anchor||i!==this._position||E0(this._selection,r)==="different";return this.silenceNotifications=a,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(Ga(e)){const i=this.normalizeOffset(e);if(Ga(t)){const a=this.normalizeOffset(t);n=i<=a?{ranges:[[i,a]],direction:"none"}:{ranges:[[a,i]],direction:"backward"}}else n={ranges:[[i,i]],direction:"none"}}else if(Lo(e)){const i=this.normalizeOffset(e[0]),a=this.normalizeOffset(e[1]);n=i<=a?{ranges:[[i,a]],direction:"none"}:{ranges:[[a,i]],direction:"backward"}}else Cs(e)&&(n={ranges:e.ranges.map(i=>this.normalizeRange(i)),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(ao(this.mathfield)),this.silenceNotifications||!this.mathfield.host||!this.mathfield)return;const r=this.silenceNotifications;this.silenceNotifications=!0,this.mathfield.host.dispatchEvent(new InputEvent("input",_(S({},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(ao(this.mathfield)),this.silenceNotifications))return;const e=this.silenceNotifications;this.silenceNotifications=!0,this.mathfield.onSelectionDidChange(),this.silenceNotifications=e}};function Vh(e,t,r,n){const i=e.offsetOf(t);if(i<r||i>n)return!1;if(!t.hasChildren)return!0;const a=e.offsetOf(t.firstChild);if(a>=r&&a<=n){const s=e.offsetOf(t.lastChild);if(s>=r&&s<=n)return!0}return!1}function Of(e,t,r){if(!(t!=null&&t.hasChildren))return!1;const[n,i]=r,a=e.offsetOf(t.firstChild),s=e.offsetOf(t.lastChild);return a>=n&&a<=i&&s>=a&&s<=i}function ru(e,t,r,n){var i,a,s,u,d,h;const p=r.parent;if(p&&r instanceof cn){const y=!n&&t==="forward"||n==="body"&&t==="backward";let M=y?e.offsetOf(r.firstChild):e.offsetOf(r.lastChild);return y?r.rightDelim!=="?"&&r.rightDelim!=="."?(r.leftDelim=".",r.isDirty=!0):(p.addChildrenAfter(r.removeBranch("body"),r),p.removeChild(r),M--):r.leftDelim!=="?"&&r.leftDelim!=="."?(r.rightDelim=".",r.isDirty=!0):(p.addChildrenAfter(r.removeBranch("body"),r),p.removeChild(r),M--),e.position=M,!0}if(p&&r.type==="surd"){if(t==="forward"&&!n||t==="backward"&&n==="body"){const y=r.leftSibling;r.hasChildren&&p.addChildrenAfter(r.removeBranch("body"),r),p.removeChild(r),e.position=e.offsetOf(y)}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),p.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(p&&(r.type==="box"||r.type==="enclose")){const y=n&&t==="backward"||!n&&t==="forward"?r.leftSibling:r.lastChild;return p.addChildrenAfter(r.removeBranch("body"),r),p.removeChild(r),e.position=e.offsetOf(y),!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 y=nu.fractionNavigationOrder==="numerator-denominator"?"above":"below",M=y==="above"?"below":"above";if(p&&(t==="forward"&&n===y||t==="backward"&&n===M)){const B=r.removeBranch(y),$=r.removeBranch(M);return p.addChildrenAfter([...B,...$],r),p.removeChild(r),e.position=e.offsetOf(B.length>0?B[B.length-1]:$[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 y=t==="forward"?(s=(i=r.superscript)==null?void 0:i[0])!=null?s:(a=r.subscript)==null?void 0:a[0]:(h=(u=r.subscript)==null?void 0:u[0].lastSibling)!=null?h:(d=r.superscript)==null?void 0:d[0].lastSibling;return y&&(e.position=e.offsetOf(y)),!0}return!1}if(!r.hasChildren&&r.type==="subsup"){const y=t==="forward"?e.offsetOf(r):Math.max(0,e.offsetOf(r)-1);return r.parent.removeChild(r),e.position=y,!0}if(n==="superscript")if(t==="backward"){const y=e.offsetOf(r.firstChild)-1;console.assert(y>=0),e.position=y}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 y=t==="forward"?e.offsetOf(r):Math.max(0,e.offsetOf(r)-1);r.parent.removeChild(r),e.position=y}return!0}if((p==null?void 0:p.type)==="genfrac"&&!n&&r.type!=="first"){let y=e.offsetOf(r.leftSibling);return p.removeChild(r),p.hasEmptyBranch("above")&&p.hasEmptyBranch("below")?(y=e.offsetOf(p.leftSibling),p.parent.removeChild(p),e.announce("delete",void 0,[p]),e.position=y,!0):(e.announce("delete",void 0,[r]),e.position=y,!0)}if(t==="backward"&&((p==null?void 0:p.command)==="\\ln"||(p==null?void 0:p.command)==="\\log")&&r.parentBranch!=="body"){const y=e.offsetOf(p.leftSibling);return p.parent.removeChild(p),e.announce("delete",void 0,[p]),e.position=y,!0}return!1}function gv(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&&ru(e,"backward",t))){if(t!=null&&t.isFirstSibling){if(ru(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])}}):so(e,Qn(e.selection),"deleteContentBackward")}function vv(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&&ru(e,"forward",n))return;if(n){if(e.at(e.position).isLastSibling&&ru(e,"forward",n.parent,n.parentBranch))return}else{if(n=e.at(e.position),n.isLastSibling&&ru(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 i=(t=e.at(e.position))==null?void 0:t.rightSibling;for(;(i==null?void 0:i.type)==="subsup";)i.parent.removeChild(i),i=(r=e.at(e.position))==null?void 0:r.rightSibling;e.announce("delete",void 0,[n])}):so(e,Qn(e.selection),"deleteContentForward")}function so(e,t,r){const n=e.getAtoms(t);if(n.length>0&&n[0].parent){let i=n[0].parent.firstChild;i.type==="first"&&(i=i.rightSibling);const a=n[n.length-1].parent.lastChild;let s=n[0];s.type==="first"&&(s=s.rightSibling);const u=n[n.length-1];if(s===i&&u===a){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",p=e.offsetOf(d.leftSibling);return e.deferNotifications({content:!0,selection:!0,type:r},()=>{var y,M;const B=d.removeBranch(h);if(B.length===1&&B[0].type==="placeholder")(M=d.parent)==null||M.removeChild(d),e.position=Math.max(0,p);else{const $=d.parent.addChildrenAfter(B,d);(y=d.parent)==null||y.removeChild(d),e.position=e.offsetOf($)}})}}return e.deferNotifications({content:!0,selection:!0,type:r},()=>e.deleteAtoms(t))}Vi({deleteAll:e=>e.contentWillChange({inputType:"deleteContent"})&&so(e,[0,-1],"deleteContent"),deleteForward:e=>vv(e),deleteBackward:e=>gv(e),deleteNextWord:e=>e.contentWillChange({inputType:"deleteWordForward"})&&so(e,[e.anchor,ff(e,e.position,"forward")],"deleteWordForward"),deletePreviousWord:e=>e.contentWillChange({inputType:"deleteWordBackward"})&&so(e,[e.anchor,ff(e,e.position,"backward")],"deleteWordBackward"),deleteToGroupStart:e=>e.contentWillChange({inputType:"deleteSoftLineBackward"})&&so(e,[e.anchor,e.offsetOf(e.at(e.position).firstSibling)],"deleteSoftLineBackward"),deleteToGroupEnd:e=>e.contentWillChange({inputType:"deleteSoftLineForward"})&&so(e,[e.anchor,e.offsetOf(e.at(e.position).lastSibling)],"deleteSoftLineForward"),deleteToMathFieldStart:e=>e.contentWillChange({inputType:"deleteHardLineBackward"})&&so(e,[e.anchor,0],"deleteHardLineBackward"),deleteToMathFieldEnd:e=>e.contentWillChange({inputType:"deleteHardLineForward"})&&so(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>`,xv=class{constructor(e,t){this.focusBlurInProgress=!1;var r,n,i;this.options=S(_(S({},Zd()),{macros:bt(),registers:id()}),Vd(t)),this.eventController=new AbortController;const a=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=ih(this.options),d=new Se({type:"root",mode:u,body:b(s,{context:this.context})});this.model=new mv(this,u,d),this.undoManager=new Zm(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(Xf(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(bv),h.push("</div>")),h.push('<div part=menu-toggle class=ML__menu-toggle role=button data-l10n-tooltip="tooltip.menu">'),h.push(yv),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=Me.subscribe(()=>Me.update(this.element)),Me.update(this.element),this.field=this.element.querySelector("[part=content]"),this.field.addEventListener("click",y=>y.stopImmediatePropagation(),{capture:!1,signal:a}),this.field.addEventListener("wheel",this,{passive:!1,signal:a}),"PointerEvent"in window?this.field.addEventListener("pointerdown",this,{signal:a}):this.field.addEventListener("mousedown",this,{signal:a}),(i=this.element.querySelector("[part=virtual-keyboard-toggle]"))==null||i.addEventListener("click",()=>{window.mathVirtualKeyboard.visible?window.mathVirtualKeyboard.hide():(window.mathVirtualKeyboard.show({animate:!0}),window.mathVirtualKeyboard.update(ao(this)))},{signal:a}),this._menu=new Lg(ov(this),{host:this.host}),this.field.addEventListener("contextmenu",this,{signal:a});const p=this.element.querySelector("[part=menu-toggle]");p==null||p.addEventListener("pointerdown",y=>{if(y.currentTarget!==p||this._menu.state!=="closed")return;this.element.classList.add("tracking");const M=p.getBoundingClientRect();this._menu.modifiers=Bs(y),this._menu.show({target:p,location:{x:M.left,y:M.bottom},onDismiss:()=>this.element.classList.remove("tracking")}),y.preventDefault(),y.stopPropagation()},{signal:a}),(this.model.atoms.length<=1||this.disabled||this.readOnly&&!this.hasEditableContent||this.userSelect==="none")&&(p.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:a}),document.addEventListener("scroll",this,{signal:a}),this.resizeObserver=new ResizeObserver(()=>Sn(this)),this.resizeObserver.observe(this.field),window.mathVirtualKeyboard.addEventListener("virtual-keyboard-toggle",this,{signal:a}),Kc&&!Me.locale.startsWith(Kc.locale)&&jp(Me.locale),ra!=="ready"&&document.fonts.ready.then(()=>Fd(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(ao(this)),n0(this))}disconnectFromVirtualKeyboard(){this.connectedToVirtualKeyboard&&(window.removeEventListener("message",this),window.mathVirtualKeyboard.disconnect(),this.connectedToVirtualKeyboard=!1,_f())}showMenu(e){var t,r;const n=(r=(t=e==null?void 0:e.location)!=null?t:Sl(this.field))!=null?r:void 0,i=e==null?void 0:e.modifiers,a=this.element.querySelector("[part=container]");return this._menu.show({target:a,location:n,modifiers:i})}get colorMap(){return e=>{var t,r,n;return(n=(r=(t=this.options).colorMap)==null?void 0:r.call(t,e))!=null?n:st(e)}}get backgroundColorMap(){return e=>{var t,r,n,i,a,s;return(s=(a=(r=(t=this.options).backgroundColorMap)==null?void 0:r.call(t,e))!=null?a:(i=(n=this.options).colorMap)==null?void 0:i.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=Se.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=S({},e[0].style);for(const r of e)for(const[n,i]of Object.entries(r.style))t[n]!==i&&delete t[n];return t}queryStyle(e){const t=bf(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],i=t[n];if(this.model.selectionIsCollapsed)return this.effectiveStyle[n]===i?"all":"none";const a=this.model.getAtoms(this.model.selection,{includeChildren:!0});let s=a.length;if(s===0)return"none";let u=0;for(const d of a){if(d.type==="first"){s-=1;continue}d.style[n]===i&&(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=Hc())!=null?e:Up());return((t=Hc())==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=S(S({},this.options),Vd(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=Se.serialize([this.model.root],{expandMacro:!1,defaultMode:this.options.defaultMode});("macros"in e||this.model.getValue()!==n)&&Qr.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)&&Sn(this)}getOptions(e){return Ts(this.options,e)}getOption(e){return Ts(this.options,e)}handleEvent(e){return rs(this,null,function*(){var t;if(Bo(this)){if(lf(e)){if(!Tc(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(zl(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 $h(e,this.element.querySelector("[part=container]"),this._menu))&&Qd.stop());break;case"contextmenu":this.userSelect!=="none"&&e.shiftKey===!1&&(yield $h(e,this.element.querySelector("[part=container]"),this._menu))&&Qd.stop();break;case"virtual-keyboard-toggle":this.hasFocus()&&n0(this);break;case"resize":this.geometryChangeTimer&&cancelAnimationFrame(this.geometryChangeTimer),this.geometryChangeTimer=requestAnimationFrame(()=>Bo(this)&&this.onGeometryChange());break;case"scroll":this.geometryChangeTimer&&cancelAnimationFrame(this.geometryChangeTimer),this.geometryChangeTimer=requestAnimationFrame(()=>Bo(this)&&this.onGeometryChange());break;case"wheel":this.onWheel(e);break;default:console.warn("Unexpected event type",e.type)}}})}dispose(){if(!Bo(this))return;Me.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,rg(),sm(),_g()}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 zl(e)==="virtual-keyboard"?(this.focus({preventScroll:!0}),window.mathVirtualKeyboard.executeCommand(e),requestAnimationFrame(()=>window.mathVirtualKeyboard.update(ao(this))),!1):pm(this,e)}get errors(){return k(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=D0(this.model,this.model.position))!=null?r:"math");const n=this.undoManager.canUndo();Qr.insert(this.model,e,t)&&(Sn(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,i=this.host.getBoundingClientRect();i.bottom>n.top&&((e=window.document.scrollingElement)==null||e.scrollBy(0,i.bottom-n.top+8))}}this.dirty&&Is(this,{interactive:!0});const t=this.field.getBoundingClientRect();let r=null;if(this.model.selectionIsCollapsed)r=Sl(this.field);else{const n=pd(this);if(n.length>0){let i=-1/0,a=-1/0;for(const s of n)s.right>i&&(i=s.right),s.top<a&&(a=s.top);r={x:i+t.left-this.field.scrollLeft,y:a+t.top-this.field.scrollTop,height:0}}}if(this.host&&r){const n=this.host.getBoundingClientRect(),i=r.y;let a=this.host.scrollTop;i<n.top?a=i-n.top+this.host.scrollTop:i>n.bottom&&(a=i-n.bottom+this.host.scrollTop+r.height),this.host.scroll({top:a,left:0})}if(r){const n=r.x-window.scrollX;let i=this.field.scrollLeft;n<t.left?i=n-t.left+this.field.scrollLeft-20:n>t.right&&(i=n-t.right+this.field.scrollLeft+20),this.field.scroll({top:this.field.scrollTop,left:i})}}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&&gt()&&navigator.vibrate(Jf),window.MathfieldElement.playSound("keypress")),e==="\\\\"?ah(this.model):e==="&"?oh(this.model):this.model.selectionIsCollapsed?Qr.insert(this.model,e,S({style:this.model.at(this.model.position).computedStyle},t)):Qr.insert(this.model,e,t),this.snapshot(`insert-${this.model.at(this.model.position).type}`),Sn(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 i=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=i;return}const a=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=b(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;Nl(this,"accept");let h,p=s.at(s.position);if(d)h="\\";else{const M=Qn(s.selection);h=this.model.getValue(M,"latex");const B=this.model.extractAtoms(M);B.length===1&&B[0].type==="placeholder"&&(h=t,d=!0),p=s.at(M[0])}const y=new br(h);p.parent.addChildAfter(y,p),d?s.position=s.offsetOf(y.lastChild):s.setSelection(s.offsetOf(y.firstChild),s.offsetOf(y.lastChild))}else Wc(s).forEach(d=>{d.isError=!1});if(r){const d=b(r,{context:this.context,parseMode:a});s.collapseSelection("forward");const h=s.at(s.position);s.position=s.offsetOf(h.parent.addChildrenAfter(d,h)),u=!0}return Sn(this),this.undoManager.snapshot(e==="latex"?"insert-latex":"insert"),u}),this.model.mode=e,window.mathVirtualKeyboard.update(ao(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 i={operation:"set",silenceNotifications:!1};Lo(t)?i.range=t:(t.operation==="toggle"&&(i.operation="toggle"),i.range=t.range,i.silenceNotifications=(r=t.silenceNotifications)!=null?r:!1);const a=bf(this,e),s=(n=i.operation)!=null?n:"set";if(i.range===void 0&&this.model.selectionIsCollapsed){if(s==="set"){this.defaultStyle=S(S({},this.defaultStyle),a);return}const u=S({},this.defaultStyle);for(const d of Object.keys(a))u[d]===a[d]?(d==="color"&&delete u.verbatimColor,d==="backgroundColor"&&delete u.verbatimBackgroundColor,delete u[d]):u[d]=a[d];this.defaultStyle=u;return}this.model.deferNotifications({content:!i.silenceNotifications,type:"insertText"},()=>{if(i.range===void 0)for(const u of this.model.selection.ranges)uf(this.model,u,a,{operation:s});else uf(this.model,i.range,a,{operation:s})}),Sn(this)}toggleContextMenu(){var e;return this._menu.visible?this._menu.state==="open"?(this._menu.hide(),!0):(this._menu.show({target:this.element.querySelector("[part=container]"),location:(e=this.getCaretPoint())!=null?e:void 0,onDismiss:()=>{var t;return(t=this.element)==null?void 0:t.focus()}}),!0):!1}getCaretPoint(){const e=Sl(this.field);return e?{x:e.x,y:e.y}:null}setCaretPoint(e,t){const r=Jc(this,e,t,{bias:0});if(r<0)return!1;const n=this.model.position;return this.model.position=r,this.model.announce("move",n),Sn(this),!0}getPrompt(e){const 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),i=this.model.offsetOf(r.lastChild);return this.model.getValue(n,i,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 i=this.model.getBranchRange(this.model.offsetOf(n),"body");this.model.setSelection(i),this.insert(t,_(S({},r),{insertionMode:"replaceSelection"}))}r!=null&&r.silenceNotifications&&(this.valueOnFocus=this.getValue()),Sn(this)}setPromptState(e,t,r){const n=this.getPrompt(e);if(!n){console.error(`MathLive 0.98.5: unknown prompt ${e}`);return}t==="undefined"?n.correctness=void 0:typeof t=="string"&&(n.correctness=t),typeof r=="boolean"&&(n.locked=r,n.captureSelection=r),Sn(this)}getPromptState(e){const t=this.getPrompt(e);return t?[t.correctness,t.locked]:(console.error(`MathLive 0.98.5: unknown prompt ${e}`),[void 0,!0])}getPromptRange(e){const t=this.getPrompt(e);return t?this.model.getBranchRange(this.model.offsetOf(t),"body"):(console.error(`MathLive 0.98.5: unknown prompt ${e}`),[0,0])}canUndo(){return this.undoManager.canUndo()}canRedo(){return this.undoManager.canRedo()}popUndoStack(){this.undoManager.pop()}snapshot(e){var t;this.undoManager.snapshot(e)&&(window.mathVirtualKeyboard.visible&&window.mathVirtualKeyboard.update(ao(this)),(t=this.host)==null||t.dispatchEvent(new CustomEvent("undo-state-change",{bubbles:!0,composed:!0,detail:{type:"snapshot"}})))}stopCoalescingUndo(){this.undoManager.stopCoalescing(this.model.selection)}stopRecording(){this.undoManager.stopRecording()}startRecording(){this.undoManager.startRecording()}undo(){var e;this.undoManager.undo()&&(window.mathVirtualKeyboard.visible&&window.mathVirtualKeyboard.update(ao(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(ao(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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e,t,r;if(this.focusBlurInProgress||this.blurred)return;this.focusBlurInProgress=!0,this.stopCoalescingUndo(),this.blurred=!0,this.ariaLiveText.textContent="",Fl(this),this.model.getValue()!==this.valueOnFocus&&((e=this.host)==null||e.dispatchEvent(new Event("change",{bubbles:!0,composed:!0}))),this.disconnectFromVirtualKeyboard(),(t=this.host)==null||t.dispatchEvent(new Event("blur",{bubbles:!1,composed:!0})),(r=this.host)==null||r.dispatchEvent(new UIEvent("focusout",{bubbles:!0,composed:!0})),Sn(this),this.focusBlurInProgress=!1,_f();const n=new AbortController,i=n.signal;document.addEventListener("visibilitychange",()=>{document.visibilityState==="hidden"&&document.addEventListener("visibilitychange",()=>{Bo(this)&&document.visibilityState==="visible"&&this.focus({preventScroll:!0})},{once:!0,signal:i})},{once:!0,signal:i}),setTimeout(()=>n.abort(),100)}onInput(e){mf(this,e)}onKeystroke(e){return gh(this,e)}onCompositionStart(e){this.model.deleteAtoms(Qn(this.model.selection));const t=Sl(this.field);t&&requestAnimationFrame(()=>{Is(this),this.keyboardDelegate.moveTo(t.x,t.y-t.height)})}onCompositionUpdate(e){Rm(this.model,e),Sn(this)}onCompositionEnd(e){Om(this.model),mf(this,e,{simulateKeystroke:!0})}onCut(e){if(!this.isSelectionEditable){this.model.announce("plonk");return}this.model.contentWillChange({inputType:"deleteByCut"})&&(this.stopCoalescingUndo(),Qr.onCopy(this,e),so(this.model,Qn(this.model.selection),"deleteByCut"),this.snapshot("cut"),Sn(this))}onCopy(e){Qr.onCopy(this,e)}onPaste(e){let t=this.isSelectionEditable;return t&&(t=Qr.onPaste(this.model.at(this.model.position).mode,this,e.clipboardData)),t||this.model.announce("plonk"),e.preventDefault(),e.stopPropagation(),t}onGeometryChange(){this._menu.hide(),Rd(this),n0(this)}onWheel(e){const t=5*e.deltaX;if(!Number.isFinite(t)||t===0)return;const r=this.field;t<0&&r.scrollLeft===0||t>0&&r.offsetWidth+r.scrollLeft>=r.scrollWidth||(r.scrollBy({top:0,left:t}),e.preventDefault(),e.stopPropagation())}getHTMLElement(e){let t=e;for(;!t.id&&t.hasChildren;)t=e.children[0];return this.field.querySelector(`[data-atom-id="${t.id}"]`)}get context(){var e,t;return{registers:(e=this.options.registers)!=null?e:{},smartFence:this.smartFence,letterShapeStyle:this.letterShapeStyle,minFontScale:this.minFontScale,placeholderSymbol:(t=this.options.placeholderSymbol)!=null?t:"\u25A2",colorMap:r=>this.colorMap(r),backgroundColorMap:r=>this.backgroundColorMap(r),getMacro:r=>ot(r,this.options.macros),atomIdsSettings:{seed:"random",groupNumbers:!1}}}};function Zh(e){if(e&&(e.classList.remove("ML__highlight"),e.children))for(const t of e.children)Zh(t)}function Nf(e,t){var r;e&&(!t||((r=e.dataset)==null?void 0:r.atomId)===t?(e.classList.add("ML__highlight"),e.children&&e.children.length>0&&[...e.children].forEach(n=>{n instanceof HTMLElement&&Nf(n)})):(e.classList.remove("ML__highlight"),e.children&&e.children.length>0&&[...e.children].forEach(n=>{n instanceof HTMLElement&&Nf(n,t)})))}function wv(e,t){var r;if(!Ne())return;if(window.MathfieldElement.speechEngine!=="amazon"){console.error("MathLive 0.98.5: Use Amazon TTS Engine for synchronized highlighting"),typeof window.MathfieldElement.speakHook=="function"&&window.MathfieldElement.speakHook(t);return}if(!window.AWS){console.error("MathLive 0.98.5: AWS SDK not loaded. 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Use `"thinmuskip"`, `"medmuskip"`, and `"thickmuskip"` registers ',macros:"mf.macros = ...",registers:"mf.registers = ...",backgroundColorMap:"mf.backgroundColorMap = ...",colorMap:"mf.colorMap = ...",enablePopover:"mf.popoverPolicy = ...",mathModeSpace:"mf.mathModeSpace = ...",placeholderSymbol:"mf.placeholderSymbol = ...",readOnly:"mf.readOnly = ...",removeExtraneousParentheses:"mf.removeExtraneousParentheses = ...",scriptDepth:"mf.scriptDepth = ...",smartFence:"mf.smartFence = ...",smartMode:"mf.smartMode = ...",smartSuperscript:"mf.smartSuperscript = ...",inlineShortcutTimeout:"mf.inlineShortcutTimeout = ...",inlineShortcuts:"mf.inlineShortcuts = ...",keybindings:"mf.keybindings = ...",virtualKeyboardMode:"mf.mathVirtualKeyboardPolicy = ...",customVirtualKeyboardLayers:"mathVirtualKeyboard.layers = ...",customVirtualKeyboards:"mathVirtualKeyboard.layouts = ...",keypressSound:"mathVirtualKeyboard.keypressSound = ...",keypressVibration:"mathVirtualKeyboard.keypressVibration = ...",plonkSound:"mathVirtualKeyboard.plonkSound = ...",virtualKeyboardContainer:"mathVirtualKeyboard.container = ...",virtualKeyboardLayout:"mathVirtualKeyboard.alphabeticLayout = ...",virtualKeyboardTheme:"No longer supported",virtualKeyboardToggleGlyph:"No longer supported",virtualKeyboardToolbar:"mathVirtualKeyboard.editToolbar = ...",virtualKeyboards:"Use `mathVirtualKeyboard.layouts`",speechEngine:"`MathfieldElement.speechEngine`",speechEngineRate:"`MathfieldElement.speechEngineRate`",speechEngineVoice:"`MathfieldElement.speechEngineVoice`",textToSpeechMarkup:"`MathfieldElement.textToSpeechMarkup`",textToSpeechRules:"`MathfieldElement.textToSpeechRules`",textToSpeechRulesOptions:"`MathfieldElement.textToSpeechRulesOptions`",readAloudHook:"`MathfieldElement.readAloudHook`",speakHook:"`MathfieldElement.speakHook`",computeEngine:"`MathfieldElement.computeEngine`",fontsDirectory:"`MathfieldElement.fontsDirectory`",soundsDirectory:"`MathfieldElement.soundsDirectory`",createHTML:"`MathfieldElement.createHTML`",onExport:"`MathfieldElement.onExport`",onInlineShortcut:"`MathfieldElement.onInlineShortcut`",onScrollIntoView:"`MathfieldElement.onScrollIntoView`",locale:"MathfieldElement.locale = ...",strings:"MathfieldElement.strings = ...",decimalSeparator:"MathfieldElement.decimalSeparator = ...",fractionNavigationOrder:"MathfieldElement.fractionNavigationOrder = ..."},ti=class Hs extends HTMLElement{static get formAssociated(){return Jl()}static get optionsAttributes(){return{"default-mode":"string","letter-shape-style":"string","min-font-scale":"number","popover-policy":"string","math-mode-space":"string","read-only":"boolean","remove-extraneous-parentheses":"on/off","smart-fence":"on/off","smart-mode":"on/off","smart-superscript":"on/off","inline-shortcut-timeout":"string","script-depth":"string",placeholder:"string","virtual-keyboard-target-origin":"string","math-virtual-keyboard-policy":"string"}}static get observedAttributes(){return[...Object.keys(this.optionsAttributes),"contenteditable","disabled","readonly","read-only"]}static get fontsDirectory(){return this._fontsDirectory}static set fontsDirectory(t){t!==this._fontsDirectory&&(this._fontsDirectory=t,um())}get fontsDirectory(){throw new Error("Use MathfieldElement.fontsDirectory instead")}set 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,i;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:(i=t.delete)!=null?i: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 Me.locale}static set locale(t){t==="auto"&&(t=navigator.language.slice(0,5)),Me.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 Me.strings}static set strings(t){Me.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 rs(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 a=yield(yield fetch(yield qf(`${n}/${r}`))).arrayBuffer(),s=yield this.audioContext.decodeAudioData(a);this.audioBuffers[t]=s}catch(i){}})}static playSound(t){return rs(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=Sv,r.connect(n).connect(this.audioContext.destination),r.start()})}constructor(t){if(super(),t){const r=[];for(const n of Object.keys(t))if(es[n])if(es[n].startsWith("mf."))if(es[n].startsWith(`mf.${n}`))r.push(`Option \`${n}\` cannot be used as a constructor option. Use ${es[n]}`);else{const i=es[n].match(/([a-zA-Z]+) =/);r.push(`Option \`${n}\` has been renamed \`${i[1]}\``)}else r.push(`Option \`${n}\` cannot be used as a constructor option. Use ${es[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(Jl()&&(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=[Ya("core"),Ya("mathfield"),Ya("mathfield-element"),Ya("ui"),Ya("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>"+Io("core")+Io("mathfield")+Io("mathfield-element")+Io("ui")+Io("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(i=>i.nodeType===3?i.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. 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