@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.17.0"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:min-content;position:relative}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{flex-direction:row;display:inline-flex}.katex .thinbox{width:0;max-width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0f1115;--panel-bg:#171a21;--ink:#e6e9ef;--muted:#9aa4b2;--line:#2a2f3a;--accent:#3b82f6;--verified:#52b788;--available:#4ea8ff;--locked:#3a414d;--grid:#20262f;--band-line:#2a2f3a;--band-label-bg:#171a21d9;--control-bg:#1d222b;--tint-soft:#14171d;--tint-ok-bg:#14241b;--tint-ok-line:#285039;--tint-ok-ink:#6fd99b;--tint-bad-bg:#2a1618;--tint-bad-line:#5a2a2e;--tint-bad-ink:#f0908f;--tint-info-bg:#14202f}:root[data-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f5f7fa;--panel-bg:#fff;--ink:#10223b;--muted:#5b6776;--line:#e2e7ee;--accent:#1f6feb;--verified:#52b788;--available:#4ea8ff;--locked:#d3d8de;--grid:#e9eef5;--band-line:#c4cedb;--band-label-bg:#f5f7fad9;--control-bg:#fff;--tint-soft:#fbfcfe;--tint-ok-bg:#eef7f1;--tint-ok-line:#bfe3cd;--tint-ok-ink:#2f8f5b;--tint-bad-bg:#fdeeee;--tint-bad-line:#f0c0c0;--tint-bad-ink:#a33333;--tint-info-bg:#f4f8ff}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{color:var(--ink);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app{flex-direction:column;height:100vh;display:flex}.app-header{border-bottom:1px solid var(--line);background:var(--panel-bg);align-items:baseline;gap:12px;padding:10px 18px;display:flex}.app-header h1{margin:0;font-size:18px}.subtitle{color:var(--muted);font-size:13px}.tabs{gap:6px;display:flex}.tagline{color:var(--muted);white-space:nowrap;font-size:12.5px}.tagline em{font-style:italic}@media (width<=900px){.tagline{display:none}}.header-right{align-items:center;gap:12px;margin-left:auto;display:flex}.theme-toggle{cursor:pointer;border:1px solid var(--line);background:var(--panel-bg);border-radius:7px;padding:5px 8px;font-size:15px;line-height:1}.theme-toggle:hover{border-color:var(--accent)}.authbar{align-items:center;gap:8px;font-size:13px;display:flex}.authbar.muted,.authbar .muted{color:var(--muted)}.authform{flex-wrap:wrap;max-width:520px}.authform input{border:1px solid var(--line);background:var(--panel-bg);color:inherit;border-radius:6px;width:130px;padding:4px 7px;font-size:12px}.authform button[type=submit]{border:1px solid var(--line);background:var(--panel-bg);cursor:pointer;color:inherit;border-radius:6px;padding:4px 10px;font-size:12px}.authform-tabs{gap:4px;display:flex}.authform-tabs button{border:1px solid var(--line);cursor:pointer;color:var(--muted);background:0 0;border-radius:6px;padding:3px 8px;font-size:12px}.authform-tabs button.active{color:inherit;border-color:var(--accent,#6ea8fe)}.authform-error{color:#e06c75;flex-basis:100%;font-size:12px}.crash-pane{text-align:center;color:var(--muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;padding:40px;display:flex}.crash-pane h2{color:var(--ink);margin:0}.crash-actions{gap:10px;display:flex}.crash-actions button{cursor:pointer;border:1px solid var(--line);background:var(--panel-bg);color:var(--ink);border-radius:7px;padding:8px 14px;font-size:13px;font-weight:600}.app-splash{height:100vh;color:var(--muted);justify-content:center;align-items:center;font-size:24px;display:flex}.loginwall{background:var(--bg,#0f1115);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.loginwall-card{border:1px solid var(--line);background:var(--panel-bg);border-radius:14px;flex-direction:column;gap:12px;width:100%;max-width:340px;padding:28px;display:flex}.loginwall-brand{margin:0;font-size:26px}.loginwall-tag{color:var(--muted);margin:0 0 4px;font-size:13px}.loginwall-tabs{gap:6px;display:flex}.loginwall-tabs button{cursor:pointer;color:var(--muted);border:1px solid var(--line);background:0 0;border-radius:8px;flex:1;padding:7px;font-size:13px}.loginwall-tabs button.active{color:inherit;border-color:var(--accent,#6ea8fe)}.loginwall-card input{color:inherit;border:1px solid var(--line);background:var(--bg,#0f1115);border-radius:8px;padding:9px 11px;font-size:14px}.loginwall-submit{cursor:pointer;color:#fff;background:var(--accent,#3b82f6);border:none;border-radius:8px;padding:10px;font-size:14px;font-weight:600}.loginwall-submit:disabled{opacity:.6;cursor:default}.loginwall-error{color:#e06c75;margin:0;font-size:13px}.admin{flex-direction:column;gap:28px;height:100%;padding:18px;display:flex;overflow:auto}.admin-panel{max-width:900px}.admin-hint{color:var(--muted);max-width:640px;margin:4px 0 10px;font-size:13px}.admin-danger{cursor:pointer;color:#fff;background:#b3535b;border:1px solid #e06c75;border-radius:7px;padding:8px 14px;font-size:13px;font-weight:600}.admin-danger:disabled{opacity:.5;cursor:default}.admin-panel h2{margin:0 0 4px;font-size:17px}.admin-panel h3{color:var(--muted);margin:18px 0 6px;font-size:14px}.admin-error{color:#e06c75;font-size:13px}.admin-table{border-collapse:collapse;width:100%;margin-top:8px;font-size:13px}.admin-table th{text-align:left;color:var(--muted);border-bottom:1px solid var(--line);padding:6px 8px;font-weight:500}.admin-table td{border-bottom:1px solid var(--line);vertical-align:middle;padding:6px 8px}.admin-table .mono,.mono{font-family:ui-monospace,monospace;font-size:12px}.admin-row-actions{gap:10px;display:flex}.admin-form{flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px;display:flex}.admin-form input{color:inherit;border:1px solid var(--line);background:var(--bg,#0f1115);border-radius:7px;min-width:150px;padding:6px 9px;font-size:13px}.admin-form button{cursor:pointer;color:inherit;border:1px solid var(--line);background:var(--panel-bg);border-radius:7px;padding:6px 12px;font-size:13px}.admin-status{margin:10px 0;font-size:14px}.admin-newcode{margin:10px 0;font-size:13px}.admin-newcode code{background:var(--panel-bg);border:1px solid var(--line);border-radius:5px;padding:2px 6px;font-family:ui-monospace,monospace}.link.danger{color:#e06c75}.dot-ok{background:#46c46b}.dot-bad{background:#e06c75}.tab{border:1px solid var(--line);background:var(--panel-bg);cursor:pointer;color:var(--muted);border-radius:7px;padding:5px 12px;font-size:13px}.tab.active{color:#fff;background:var(--accent);border-color:var(--accent)}.view{flex-direction:column;flex:1;min-height:0;display:flex}.view-pane{flex:1;min-height:0}.topic-form{gap:6px;margin-top:10px;display:flex}.topic-form input{color:inherit;border:1px solid var(--line);background:var(--bg);border-radius:7px;flex:1;padding:6px 9px;font-size:13px}.topic-form button{cursor:pointer;color:#fff;background:var(--accent);border:1px solid var(--accent);border-radius:7px;padding:6px 12px;font-size:13px}.topic-form button:disabled{opacity:.5;cursor:default}.focus-box{margin-top:10px}.focus-input{gap:6px;display:flex;position:relative}.focus-input input{color:inherit;border:1px solid var(--line);background:var(--bg);border-radius:7px;flex:1;padding:7px 9px;font-size:13px}.focus-input>button{cursor:pointer;color:#fff;background:var(--accent);border:1px solid var(--accent);border-radius:7px;padding:7px 12px;font-size:13px}.focus-input>button:disabled{opacity:.5;cursor:default}.focus-suggest{z-index:10;background:var(--panel-bg);border:1px solid var(--line);border-radius:8px;max-height:240px;margin:0;padding:4px;list-style:none;position:absolute;top:calc(100% + 4px);left:0;right:0;overflow:auto;box-shadow:0 4px 14px #0000004d}.focus-suggest li button{text-align:left;width:100%;color:inherit;cursor:pointer;background:0 0;border:none;border-radius:6px;padding:6px 8px;font-size:13px;display:block}.focus-suggest li button:hover{background:var(--bg)}.focus-new{padding:6px 8px;font-size:12px}.focusing{flex-wrap:wrap;align-items:flex-start;gap:8px;margin:8px 0 0;font-size:12px;display:flex}.ingest-progress{color:var(--accent);margin:8px 0 0;font-size:13px}.ingest-progress:after{content:" ";animation:1.2s steps(4,end) infinite ellipsis}@keyframes ellipsis{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}.ingest-ok{color:var(--tint-ok-ink);margin:8px 0 0;font-size:13px;font-weight:600}.build-empty{color:var(--muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:6px;display:flex}.build-empty h2{color:var(--ink);margin:0}.vote-block{border-top:1px solid var(--line);margin-top:14px;padding-top:12px}.vote-prompt{margin:0 0 8px;font-size:13px;font-weight:600}.vote-actions{gap:8px;display:flex}.vote-actions button{cursor:pointer;color:inherit;border:1px solid var(--line);background:var(--control-bg);border-radius:8px;flex:1;padding:9px;font-size:13px;font-weight:600}.vote-actions button.confirm{border-color:var(--tint-ok-line);background:var(--tint-ok-bg);color:var(--tint-ok-ink)}.vote-actions button.reject{border-color:var(--tint-bad-line);background:var(--tint-bad-bg);color:var(--tint-bad-ink)}.vote-actions button:disabled{opacity:.5;cursor:default}.my-vote{color:var(--accent);margin:8px 0 0;font-size:12px;font-weight:600}.add-below{gap:6px;margin-top:8px;display:flex}.add-below input{color:inherit;border:1px solid var(--line);background:var(--bg);border-radius:7px;flex:1;padding:7px 9px;font-size:13px}.add-below button{cursor:pointer;color:inherit;border:1px solid var(--line);background:var(--control-bg);border-radius:7px;padding:7px 11px;font-size:13px}.add-below button:disabled{opacity:.5;cursor:default}.status-tag{text-transform:capitalize;font-weight:600}.status-tag.confirmed{color:#2f8f5b}.status-tag.provisional{color:var(--muted)}.status-tag.rejected{color:#e06c75}.vote-legend{color:var(--muted);gap:14px;font-size:12px;display:flex}.vote-legend span{align-items:center;gap:5px;display:inline-flex}.dot-confirmed{background:#2f9e5e}.dot-provisional{background:#5b6fc4}.dot-rejected{background:#e06c75}.dot-verified{background:#52b788}.dot-available{background:#4ea8ff}.dot-locked{background:#9aa3ad}.dot-learning{background:#caa14a}.stance-actions{gap:6px;margin-top:12px;display:flex}.stance-actions button{cursor:pointer;color:inherit;border:1px solid var(--line);background:var(--control-bg);border-radius:8px;flex:1;padding:8px;font-size:13px;font-weight:600}.stance-actions button.know{background:var(--tint-ok-bg);border-color:var(--tint-ok-line);color:var(--tint-ok-ink)}.stance-actions button.learn{color:#caa14a;border-color:#caa14a}.stance-actions button:disabled{opacity:.5;cursor:default}.evidence-block{border-top:1px solid var(--line);margin-top:12px;padding-top:10px}.confidence-line{justify-content:space-between;align-items:center;font-size:13px;display:flex}.verified-tag{color:#2f8f5b;font-weight:600}.evidence-list{margin:8px 0;padding:0;font-size:12px;list-style:none}.evidence-list li{justify-content:space-between;align-items:center;padding:3px 0;display:flex}.proof-actions{flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;display:flex}.grow-block,.community{margin-top:14px}.community summary{cursor:pointer;color:var(--muted);margin-bottom:8px;font-size:13px}.dot-cas0{background:#b3535b}.dot-cas1{background:#c07a30}.dot-cas2{background:#b59a2e}.dot-cas3{background:#5fae5a}.dot-cas4,.dot-has-unit{background:#2f9e5e}.dot-unit{background:#3b82f6}.dot-no-unit{background:#4a525e}.sources{margin-top:14px}.sources summary{cursor:pointer;color:var(--muted);margin-bottom:8px;font-size:13px}.source-list{flex-direction:column;gap:3px;margin:0 0 8px;padding:0;font-size:12px;list-style:none;display:flex}.notation-line{color:var(--muted);flex-wrap:wrap;align-items:center;gap:5px;margin:6px 0;font-size:12px;display:flex}code.notation{background:var(--tint-soft);border:1px solid var(--line);color:var(--ink);border-radius:4px;padding:1px 5px;font-family:ui-monospace,monospace;font-size:12px}.source-form{flex-direction:column;gap:6px;display:flex}.source-row{gap:6px;display:flex}.source-form select,.source-form input{color:inherit;border:1px solid var(--line);background:var(--bg);border-radius:7px;padding:6px 8px;font-size:13px}.source-row select{flex:1;min-width:0}.source-form>button{cursor:pointer;color:inherit;border:1px solid var(--line);background:var(--control-bg);border-radius:7px;align-self:flex-start;padding:7px;font-size:13px}.source-form>button:disabled{opacity:.5;cursor:default}.relate{margin-top:14px}.relate summary{cursor:pointer;color:var(--muted);margin-bottom:8px;font-size:13px}.relate-form{flex-direction:column;gap:6px;display:flex}.relate-row{gap:6px;display:flex}.relate-form select,.relate-form input{color:inherit;border:1px solid var(--line);background:var(--bg);border-radius:7px;padding:6px 8px;font-size:13px}.relate-row select{flex:1}.relate-target{position:relative}.relate-target input{width:100%}.relate-form>button{cursor:pointer;color:inherit;border:1px solid var(--line);background:var(--control-bg);border-radius:7px;align-self:flex-start;padding:7px;font-size:13px}.relate-form>button:disabled{opacity:.5;cursor:default}.app-main{flex:1;min-height:0;display:flex}.explore{flex-direction:column;flex:1;min-height:0;display:flex}.searchbar{border-bottom:1px solid var(--line);background:var(--panel-bg);gap:8px;padding:12px 18px;display:flex}.searchbar input{border:1px solid var(--line);border-radius:8px;flex:1;padding:9px 12px;font-size:15px}.searchbar input:focus{border-color:var(--accent);outline:none}.searchbar button{color:#fff;background:var(--accent);cursor:pointer;border:none;border-radius:8px;padding:0 16px;font-size:14px;font-weight:600}.explore-empty{color:var(--muted);text-align:center;padding:40px}.example-chips{justify-content:center;gap:8px;margin-top:12px;display:flex}.resolved-card{border:1px solid var(--line);background:var(--tint-soft);border-radius:10px;margin-bottom:18px;padding:14px}.merge-bar{background:#22d3ee1f;border:1px solid #22d3ee;border-radius:10px;flex-direction:column;gap:8px;margin-bottom:16px;padding:10px 12px;font-size:13px;display:flex}.merge-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.merge-actions button:first-child{cursor:pointer;color:#06323b;background:#22d3ee;border:none;border-radius:7px;padding:6px 12px;font-size:13px;font-weight:600}.merge-picked{font-weight:600}.stmt-builder select{padding:5px 6px;font-size:13px}.stmt-builder button{cursor:pointer;color:#1a1206;background:#f4a201;border:none;border-radius:7px;padding:6px 12px;font-size:13px;font-weight:600}.stmt-latex-input{padding:6px 8px;font-family:ui-monospace,monospace;font-size:12px}.statement-inspector .stmt-op{color:var(--accent);font-weight:700}.stmt-latex{color:#f6d089;background:#2a2310;border:1px solid #5b4a1e;border-radius:7px;margin:8px 0;padding:10px;font-size:13px;overflow:auto hidden}.stmt-latex .katex-display{margin:0}.stmt-latex .katex{color:#f6d089}.mathview{color:inherit}.stmt-operands{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.stmt-operands li{align-items:baseline;gap:6px;display:flex}.stmt-role{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);min-width:56px;font-size:10px}.stmt-deriv{flex-wrap:wrap;align-items:baseline;gap:8px;margin:4px 0;font-size:13px;display:flex}.cov-ok{color:var(--tint-ok-ink,#46c46b);font-weight:600}.cov-gap{color:#d6a13a;font-weight:600}.dim-consistent{color:#46c46b;font-weight:600}.dim-inconsistent{color:#e06c75;font-weight:600}.dim-unknown{color:var(--muted)}.sym-list{flex-direction:column;gap:4px;margin:4px 0;padding:0;font-size:13px;list-style:none;display:flex}.sym-list li{align-items:baseline;gap:8px;display:flex}.sym-list .sym{min-width:40px;color:var(--ink)}.sym-undef{color:#d6a13a;font-size:12px}.eq-tree-wrap summary{color:var(--muted);cursor:pointer;margin-top:4px;font-size:12px}.eq-op{margin:2px 0}.eq-op-label{color:var(--muted);text-transform:uppercase;letter-spacing:.03em;font-size:11px}.eq-op-args{border-left:1px solid var(--line);flex-direction:column;gap:2px;margin:2px 0 2px 6px;padding-left:10px;list-style:none;display:flex}.eq-leaf{font:inherit;cursor:default;background:0 0;border:none;border-radius:4px;padding:1px 4px}.eq-leaf.bound{color:#6fd08a;cursor:pointer;border:1px solid #0000}.eq-leaf.bound:hover{border-color:#6fd08a}.eq-leaf.unbound{color:#d6a13a}.eq-num{color:var(--muted)}.eq-raw{color:var(--muted);font-family:ui-monospace,monospace;font-size:12px}.thinking-banner{border:1px solid var(--tint-ok-line);background:var(--tint-ok-bg);color:var(--tint-ok-ink);border-radius:8px;margin-bottom:16px;padding:10px 12px;font-size:13px;font-weight:600}.build-error{border:1px solid var(--tint-bad-line);background:var(--tint-bad-bg);color:var(--tint-bad-ink);border-radius:8px;margin-bottom:16px;padding:10px 12px;font-size:13px}.question-card{border:2px solid var(--accent);background:var(--tint-info-bg);border-radius:10px;margin-bottom:18px;padding:14px}.question-card.done{border-color:var(--verified);background:var(--tint-ok-bg)}.q-label{text-transform:uppercase;letter-spacing:.05em;color:var(--accent);font-size:11px;font-weight:700}.q-title{margin:4px 0 6px;font-size:17px}.q-assess{color:var(--muted);margin:0 0 12px;font-size:13px;line-height:1.5}.q-actions{gap:6px;display:flex}.q-btn{border:1px solid var(--line);cursor:pointer;background:var(--control-bg);color:inherit;border-radius:8px;flex:1;padding:9px;font-size:13px;font-weight:600}.q-btn.know{background:var(--verified);color:#fff;border-color:var(--verified)}.q-btn.learn{background:var(--accent);color:#fff;border-color:var(--accent)}.q-btn.unsure:hover{border-color:var(--accent)}.q-known{color:var(--verified);justify-content:space-between;align-items:center;font-weight:600;display:flex}.graph-wrap{flex:1;min-width:0;position:relative}.cy-container{z-index:0;background:radial-gradient(circle, var(--grid) 1px, transparent 1px) 0 0 / 22px 22px;position:absolute;inset:0}.graph-fit{z-index:5;border:1px solid var(--line);background:var(--panel-bg);color:var(--ink);cursor:pointer;opacity:.5;border-radius:6px;padding:5px 10px;font-size:12px;transition:opacity .15s;position:absolute;top:10px;right:10px}.graph-fit:hover{opacity:1}.graph-toolbar{z-index:5;gap:6px;display:flex;position:absolute;top:10px;left:10px}.graph-toolbar button{border:1px solid var(--line);background:var(--panel-bg);cursor:pointer;border-radius:6px;padding:5px 10px;font-size:12px}.graph-toolbar button:hover{border-color:var(--accent)}.graph-corner{z-index:20;pointer-events:auto;position:absolute;bottom:10px;left:10px}.overlay-box{background:var(--panel-bg);border:1px solid var(--line);border-radius:9px;padding:8px 10px;font-size:12px;box-shadow:0 2px 8px #00000040}.overlay-picker{align-items:center;gap:6px;display:flex}.overlay-picker span{color:var(--muted)}.overlay-picker select{color:inherit;cursor:pointer;border:1px solid var(--line);background:var(--bg);border-radius:6px;padding:3px 6px;font-size:12px}.canvas-legend{flex-direction:column;gap:4px;margin:8px 0 0;padding:0;list-style:none;display:flex}.canvas-legend li{color:var(--muted);align-items:center;gap:6px;display:flex}.compare-with{margin-top:6px}.dot-both{background:#2f9e5e}.dot-mine{background:#3b82f6}.dot-theirs{background:#caa14a}.dot-neither{background:#4a525e}.layer-overlay{pointer-events:none;z-index:2;position:absolute;inset:0;overflow:hidden}.layer-band{border-top:1px dashed var(--band-line);position:absolute;left:0;right:0}.layer-label{color:var(--muted);background:var(--band-label-bg);white-space:nowrap;border-radius:4px;padding:0 5px;font-size:10px;position:absolute;top:-9px;left:8px}.panel{box-sizing:border-box;border-left:1px solid var(--line);background:var(--panel-bg);scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:var(--line) transparent;overflow-wrap:anywhere;flex:0 0 320px;width:320px;padding:14px 16px;overflow:hidden auto}.panel::-webkit-scrollbar{width:8px}.panel::-webkit-scrollbar-track{background:0 0}.panel::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}.panel section{margin-bottom:20px}.panel h2{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 8px;font-size:13px}.progress-line{justify-content:space-between;align-items:center;margin-bottom:6px;font-size:13px;display:flex}.progress-bar{background:var(--line);border-radius:5px;height:8px;overflow:hidden}.progress-fill{background:var(--verified);height:100%;transition:width .2s}.goal-reached{color:var(--verified);margin:8px 0 0;font-weight:600}.legend{gap:14px;margin:0;padding:0;font-size:12px;list-style:none;display:flex}.legend li{align-items:center;gap:6px;display:flex}.dot{border-radius:3px;width:12px;height:12px;display:inline-block}.dot.verified{background:var(--verified)}.dot.available{background:var(--available)}.dot.locked{background:var(--locked)}.hint{color:var(--muted);margin:8px 0 0;font-size:12px;line-height:1.4}.skill-list,.curriculum{margin:0;padding-left:18px}.skill-list{padding-left:0;list-style:none}.skill-list li,.curriculum li{margin:3px 0}.curriculum{font-size:13px}.link{color:var(--accent);cursor:pointer;font:inherit;text-align:left;background:0 0;border:none;padding:0}.link:hover{text-decoration:underline}.inspector{border:1px solid var(--line);background:var(--tint-soft);border-radius:10px;margin-bottom:20px;padding:14px}.inspector-empty{background:var(--bg)}.status-pill{color:#fff;border-radius:999px;padding:2px 9px;font-size:11px;font-weight:600;display:inline-block}.status-pill.verified{background:var(--verified)}.status-pill.available{background:var(--available)}.status-pill.locked{background:#9aa3ad}.inspector-title{text-transform:none;letter-spacing:0;color:var(--ink);margin:8px 0 4px;font-size:17px}.inspector-meta{color:var(--muted);flex-wrap:wrap;gap:6px;font-size:12px;display:flex}.inspector-summary{margin:12px 0;font-size:13px;line-height:1.5}.inspector-block{margin:12px 0}.inspector-block h3{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 5px;font-size:12px}.inspector-block p{margin:0;font-size:13px;line-height:1.5}.chip-list{flex-wrap:wrap;gap:6px;margin:6px 0 0;padding:0;list-style:none;display:flex}.chip{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:999px;padding:3px 9px;font-size:12px}.chip:hover{border-color:var(--accent)}.chip.verified{border-color:var(--verified)}.chip.available{border-color:var(--available)}.master-btn{color:#fff;background:var(--accent);cursor:pointer;border:none;border-radius:8px;width:100%;margin-top:8px;padding:10px;font-size:14px;font-weight:600}.master-btn:hover{filter:brightness(1.05)}.master-btn.is-mastered{background:var(--verified)}.master-btn:disabled{background:var(--locked);color:var(--muted);cursor:not-allowed}.attest-note{color:var(--muted);margin:8px 0 0;font-size:11px;line-height:1.4}.conf-head{justify-content:space-between;align-items:baseline;display:flex}.conf-val{color:var(--muted);font-size:12px}.conf-val.verified{color:var(--verified);font-weight:600}.conf-bar{background:var(--line);border-radius:5px;height:9px;margin-top:6px;position:relative;overflow:hidden}.conf-fill{background:var(--available);height:100%;transition:width .2s}.conf-bar .conf-threshold{opacity:.55;background:#10223b;width:2px;position:absolute;top:-2px;bottom:-2px}.inferred-block{background:#eef7f1;border:1px solid #bfe3cd;border-radius:7px;padding:8px 10px}.evidence-list{margin:6px 0 0;padding:0;list-style:none}.evidence-list li{border-bottom:1px solid var(--line);align-items:center;gap:6px;padding:4px 0;font-size:12px;display:flex}.ev-summary{flex:1}.ev-weight{color:var(--muted)}.ev-remove{color:var(--muted);cursor:pointer;background:0 0;border:none;padding:0 2px;font-size:15px;line-height:1}.ev-remove:hover{color:#c0392b}.src-tag{text-transform:uppercase;letter-spacing:.03em;color:#fff;white-space:nowrap;background:#9aa3ad;border-radius:4px;padding:1px 6px;font-size:10px}.src-self{background:#b0883b}.src-credential{background:#7b6cd0}.src-peer{background:#3b9ab0}.src-artifact{background:#2f8f5b}.src-ai-check{background:#1f6feb}.source-grid{grid-template-columns:1fr 1fr;gap:6px;margin-top:6px;display:grid}.source-btn{border:1px solid var(--line);cursor:pointer;text-align:left;background:#fff;border-radius:7px;flex-direction:column;align-items:flex-start;gap:1px;padding:7px 9px;display:flex}.source-btn:hover:not(:disabled){border-color:var(--accent)}.source-btn strong{font-size:12px}.source-btn small{color:var(--muted);font-size:10px}.source-btn:disabled{opacity:.5;cursor:not-allowed}