@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:"0.16.47"}.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}.variables-button{z-index:4;color:#fff;cursor:pointer;-webkit-tap-highlight-color:transparent;background:#090909d9;border:1px solid #6dabd559;border-radius:12px;align-items:center;gap:8px;padding:10px 18px;font-size:1rem;transition:background .2s,border-color .2s,box-shadow .2s,transform .15s;display:inline-flex}@media (hover:hover) and (pointer:fine){.variables-button:hover{background:#102d4e;border-color:#ec77ae;box-shadow:0 0 18px #ec77ae2e}}.variables-button:active{transform:scale(.98)}.variables-overlay{z-index:9999;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#00000059;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.variables-modal{background:linear-gradient(#030409,#030b0d);border:1px solid #ffa0c840;border-radius:18px;flex-direction:column;width:min(1200px,95vw);height:92vh;max-height:92vh;display:flex;position:relative;overflow:hidden;box-shadow:0 0 25px #ff78b414,0 0 60px #6dabd514}.variables-header{justify-content:center;align-items:center;padding:20px 24px 16px;display:flex}.variables-header h3{margin:0}.variables-modal .variables-header h3{font-size:clamp(1.2rem,2.3vw,1.7rem)}.variables-subtitle{color:#fff6;margin-top:4px;font-size:clamp(.8rem,1.4vw,1rem);display:block}.var-viewer-close-btn{color:#ffffff73;cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;width:clamp(30px,3vw,34px);height:clamp(30px,3vw,34px);padding:0;font-size:clamp(22px,2.2vw,28px);transition:background .2s,color .2s;display:flex;position:absolute;top:clamp(8px,1.2vw,14px);right:clamp(8px,1.4vw,16px)}.var-viewer-close-btn:hover{color:#ec77ae}.variables-tree{scrollbar-width:thin;scrollbar-color:#ffffff40 transparent;border-top:1px solid #ffa0c859;flex:1;padding:10px 0 14px;overflow:auto}.variable-node{width:100%}.variable-row{--indent:calc(var(--depth) * 22px);min-height:38px;padding:5px 18px;padding-left:calc(18px + var(--indent));border-left:2px solid #0000;grid-template-columns:minmax(190px,34%) minmax(0,1fr);align-items:center;transition:background .15s,border-color .15s;display:grid}.variable-row.is-container{cursor:pointer}.variable-row:hover{background:#ffffff0b}.variable-row.is-container:hover{background:#6dabd512;border-left-color:#ec77ae73}.variable-name{align-items:center;gap:4px;min-width:0;display:flex}.variable-arrow{color:#ffffff73;justify-content:center;align-items:center;width:18px;min-width:18px;font-size:15px;display:flex}.variable-arrow-spacer{width:18px;min-width:18px}.variable-key{text-overflow:ellipsis;white-space:nowrap;color:#8fd3ff;min-width:0;font-family:Fira Code,Consolas,monospace;font-size:.9rem;font-weight:500;overflow:hidden}.variable-main{align-items:center;gap:12px;min-width:0;display:flex}.variable-preview{text-overflow:ellipsis;white-space:nowrap;color:#e5e7eb;min-width:0;font-family:Fira Code,Consolas,monospace;font-size:.86rem;overflow:hidden}.variable-type{color:#ffffff61;background:#ffffff09;border:1px solid #ffffff14;border-radius:5px;flex-shrink:0;padding:2px 7px;font-family:Fira Code,Consolas,monospace;font-size:.7rem}.variable-children{position:relative}.variable-children:before{content:"";left:calc(28px + var(--depth) * 22px);pointer-events:none;background:#ff78b42b;width:1px;position:absolute;top:0;bottom:0}.variable-expanded-content{margin-left:calc(44px + (var(--depth) * 22px));width:calc(100% - (44px + (var(--depth) * 22px)));box-sizing:border-box;min-width:0;padding:8px 18px 12px}.ndarray-meta{flex-wrap:wrap;gap:8px;margin-bottom:10px;display:flex}.ndarray-meta span{color:#8fd3ff;background:#6dabd514;border:1px solid #6dabd51f;border-radius:6px;padding:4px 8px;font-family:Fira Code,Consolas,monospace;font-size:.72rem}.ndarray-preview{background:#0000002e;border:1px solid #ffffff0d;border-radius:9px;max-width:100%;padding:12px;overflow-x:auto}.ndarray-preview .katex-display{margin:0;overflow-x:auto}.variable-empty{color:#ffffff4d;margin-left:44px;padding:8px 18px;font-family:Fira Code,Consolas,monospace;font-size:.8rem}.variable-muted{color:#ffffff4d;margin-top:8px;font-size:.75rem}.variable-load-more-wrapper{margin-left:calc(44px + (var(--depth) * 22px));align-items:center;gap:10px;padding:10px 18px 14px;display:flex}.variable-load-more{color:#8fd3ff;cursor:pointer;background:#6dabd50f;border:1px solid #6dabd540;border-radius:7px;padding:7px 12px;font-family:Fira Code,Consolas,monospace;font-size:.78rem;transition:background .2s,border-color .2s,color .2s}.variable-load-more:hover{color:#ec77ae;background:#6dabd51f;border-color:#ec77ae73}.variable-load-more-info{color:#ffffff47;font-family:Fira Code,Consolas,monospace;font-size:.7rem}@media (width<=768px){.variable-load-more-wrapper{margin-left:calc(34px + var(--depth) * 18px);flex-wrap:wrap;padding-left:12px;padding-right:12px}.variable-load-more{font-size:.72rem}}.variables-tree::-webkit-scrollbar-track{background:0 0}.variables-tree::-webkit-scrollbar-thumb{background:#ffffff1f;border-radius:8px}@media (width<=768px){.variables-overlay{padding:8px}.variables-modal{border-radius:14px;width:100%;max-height:92vh}.variables-header{padding:18px 16px 14px}.variable-row{min-height:36px;padding:4px 12px;padding-left:calc(12px + var(--indent));grid-template-columns:minmax(120px,42%) minmax(0,1fr)}.variable-key{font-size:.78rem}.variable-preview{font-size:.75rem}.variable-type{display:none}.variable-expanded-content{margin-left:calc(34px + var(--depth) * 18px);width:calc(100% - (34px + var(--depth) * 18px));padding-left:12px;padding-right:12px}}.class_and_def_button{z-index:4;color:#fff;cursor:pointer;-webkit-tap-highlight-color:transparent;background:#090909d9;border:1px solid #6dabd559;border-radius:12px;padding:12px 22px;font-size:1rem;transition:background .2s,border-color .2s,box-shadow .2s,transform .15s}@media (hover:hover) and (pointer:fine){.class_and_def_button:hover{background:#102d4e;border-color:#ec77ae;box-shadow:0 0 18px #ec77ae2e}}.class_and_def_button:active{transform:scale(.98)}.class-viewer-close-btn{color:#888;cursor:pointer;background:0 0;border:none;border-radius:50%;width:clamp(30px,3vw,34px);height:clamp(30px,3vw,34px);padding:4px 10px;font-size:1.4rem;transition:all .2s;position:absolute;top:clamp(4px,.8vw,10px);right:clamp(12px,1.8vw,20px)}.class-viewer-close-btn:hover{color:#ec77ae}.cf-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:9999;background:#0000008c;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.cf-modal{overscroll-behavior:none;background:linear-gradient(#030409,#0d0b0d);border:1px solid #ffa0c859;border-radius:22px;flex-direction:column;width:min(1200px,95vw);height:92vh;max-height:92vh;display:flex;position:relative;overflow:hidden;box-shadow:0 0 25px #ff78b414,0 0 45px #6dabd514}.cf-modal h3{color:#fff;text-align:center;margin:20px 0;font-size:clamp(1.2rem,2.3vw,1.7rem)}.cf-viewer{border-top:1px solid #ffa0c859;border-radius:0;flex:1;display:flex;overflow:hidden}.cf-sidebar{background:#ffffff05;border-right:1px solid #ffffff14;flex-direction:column;flex-shrink:0;display:flex;overflow-y:auto}.cf-item{color:#8fd3ff;text-align:left;cursor:pointer;background:0 0;border:none;border-bottom:0 solid #ffffff0d;padding:14px 16px;transition:all .2s}.cf-item:hover{background:#6dabd514}.cf-item.active{color:#fff;background:#ec77ae2e}.cf-content{box-sizing:border-box;flex:1;padding:18px;overflow:auto}.cf-content pre{min-height:100%;margin:0}.cf-content code{font-size:.95rem}.back-btn{display:none}@media (width<=768px){.cf-modal{width:100%;height:92vh;padding-left:0;padding-right:0;font-size:.8rem}.cf-overlay{margin-top:1rem;padding-left:5px;padding-right:5px}.cf-viewer{flex:1;height:auto;min-height:0;display:block;overflow:hidden}.cf-sidebar{border-bottom:1px solid #ffffff14;border-right:none;width:100%;height:100%}.cf-content{box-sizing:border-box;border-bottom:1px solid #ffa0c859;flex-direction:column;width:100%;height:100%;padding:0;display:flex;overflow:hidden}.cf-content pre{flex:1;min-height:0;margin:0;overflow:auto}.back-btn-container{box-sizing:border-box;border-top:1px solid #ffa0c859;flex:0 0 62px;justify-content:center;align-items:center;width:100%;padding:6px 0;display:flex}.back-btn{color:#ec77ae;cursor:pointer;box-sizing:border-box;background:#0f1a25;border:1px solid #6dabd5;border-radius:6px;width:65%;height:38px;margin:0;padding:0 12px;font-size:.78rem;font-weight:600;transition:background .2s,border-color .2s,box-shadow .2s,transform .15s;display:block}.back-btn:active{background:#0f4a99}@media (hover:hover) and (pointer:fine){.back-btn:hover{background:#102d4e}}.hidden-mobile{display:none}}.cf-content.hidden-mobile{scrollbar-color:#6dabd5a6 #0f1a25cc;scrollbar-width:thin;overflow:auto}.cheat-sheet-overlay{z-index:5;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);box-sizing:border-box;background:#00000059;justify-content:center;align-items:center;padding:30px;display:flex;position:fixed;inset:0}.cheat-sheet{box-sizing:border-box;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:linear-gradient(#030409,#030b0d);border:1px solid #ffa0c840;border-radius:18px;width:min(1200px,95vw);height:92vh;max-height:92vh;margin:auto;font-family:system-ui,-apple-system,sans-serif;overflow-y:auto;box-shadow:0 0 30px #ff78b414,0 0 50px #6dabd50d}.close-btn-cheat-sheet{z-index:100;color:#ffffffbf;cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;width:clamp(30px,3vw,34px);height:clamp(30px,3vw,34px);margin-bottom:-44px;margin-left:auto;margin-right:10px;padding:0;font-size:clamp(22px,2.2vw,28px);transition:background .2s,color .2s;display:flex;position:sticky;top:10px}.close-btn-cheat-sheet:hover{color:#ec77ae}.table-header{z-index:20;color:#f8f3f3;text-transform:uppercase;letter-spacing:.08em;background:#000000f2;border-bottom:1px solid #ec77ae66;grid-template-columns:240px 1fr 1fr;font-size:1.05rem;font-weight:600;display:grid;position:sticky;top:0}.table-header>div{border-right:1px solid #6dabd533;padding:18px}.table-header>div:last-child{border-right:none}.category{border-bottom:1px solid #6dabd540;grid-template-columns:240px 1fr;display:grid}.category:last-child{border-bottom:none}.action{color:#fff;background:0 0;border-right:1px solid #6dabd540;align-items:flex-start;padding:20px;font-size:1.05rem;font-weight:600;display:flex}.examples{flex-direction:column;min-width:0;display:flex}.example-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr);transition:background .25s;display:grid}@media (hover:hover) and (pointer:fine){.example-row:hover{background:#6dabd526}}.example,.result{text-align:left;box-sizing:border-box;min-width:0;padding:9px}.example{border-right:1px solid #6dabd533}.result{align-items:center;min-width:0;display:flex}.cheat-sheet pre{box-sizing:border-box;background:#00000073;border:1px solid #ffa0c894;border-radius:14px;max-width:100%;margin:0;padding:14px;overflow-x:auto}.cheat-sheet code{white-space:pre;font-family:Fira Code,monospace;font-size:.95rem;line-height:1.6}.result-content{color:#d4d4d8;white-space:nowrap;width:100%;min-width:0;max-width:100%;font-family:Fira Code,monospace;font-size:.95rem;line-height:1.7;overflow-x:hidden}.result-content>div{max-width:100%;margin-bottom:6px;overflow:auto hidden}.result-content .katex-display{max-width:100%;margin:.5em 0;overflow:auto hidden}.cheat-sheet-mobile{display:none}@media (width<=768px){.cheat-sheet-overlay{padding:10px}.cheat-sheet{border-radius:16px;width:95%;height:94vh;max-height:94vh}.cheat-sheet-desktop{display:none}.cheat-sheet-mobile{box-sizing:border-box;padding:48px 14px 14px;display:block}.mobile-sheet-title{color:#fff;text-align:center;margin:0 4px 16px;font-size:1.5rem;font-weight:600;line-height:1.2}.mobile-category-list{flex-direction:column;gap:8px;display:flex}.mobile-category-btn{color:#fff;text-align:left;cursor:pointer;box-sizing:border-box;background:#00000047;border:1px solid #6dabd547;border-radius:10px;justify-content:space-between;align-items:center;width:100%;min-height:52px;padding:14px 16px;font-family:system-ui,-apple-system,sans-serif;font-size:.95rem;font-weight:600;transition:background .2s,border-color .2s,color .2s;display:flex}.mobile-category-btn svg{color:#ffffff8c;flex-shrink:0;font-size:20px}.mobile-category-btn:hover,.mobile-category-btn:active{color:#ec77ae;background:#6dabd51f;border-color:#ffa0c873}.mobile-category-view{width:100%}.mobile-category-title{color:#fff;padding:0 4px 14px;font-size:1.1rem;font-weight:600;line-height:1.3}.mobile-table-header{z-index:10;background:#000000f2;border-top:1px solid #ec77ae40;border-bottom:1px solid #ec77ae66;grid-template-columns:minmax(0,1fr) minmax(0,1fr);display:grid;position:sticky;top:0}.mobile-table-header>div{color:#f8f3f3;text-transform:uppercase;letter-spacing:.06em;border-right:1px solid #6dabd533;padding:10px 8px;font-size:.8rem;font-weight:600}.mobile-table-header>div:last-child{border-right:none}.mobile-examples{flex-direction:column;display:flex}.mobile-example-row{border-bottom:1px solid #6dabd540;grid-template-columns:minmax(0,1fr) minmax(0,1fr);display:grid}.mobile-example{box-sizing:border-box;border-right:1px solid #6dabd533;min-width:0;padding:6px}.mobile-result{box-sizing:border-box;align-items:center;min-width:0;padding:8px;display:flex}.cheat-sheet-mobile pre{border-radius:8px;padding:6px}.cheat-sheet-mobile code{font-size:.75rem;line-height:1.5}.cheat-sheet-mobile .result-content{white-space:nowrap;width:100%;min-width:0;max-width:100%;font-size:.75rem;overflow-x:hidden}.cheat-sheet-mobile .result-content>div,.cheat-sheet-mobile .result-content .katex-display{max-width:100%;overflow:auto hidden}.mobile-back-btn{color:#fffc;cursor:pointer;background:#00000059;border:1px solid #ffa0c84d;border-radius:9px;justify-content:center;align-items:center;gap:8px;width:100%;min-height:44px;margin-top:16px;padding:10px 14px;font-family:system-ui,-apple-system,sans-serif;font-size:.9rem;font-weight:600;transition:background .2s,color .2s,border-color .2s;display:flex}.mobile-back-btn svg{font-size:18px}.mobile-back-btn:hover,.mobile-back-btn:active{color:#ec77ae;background:#ffa0c80f;border-color:#ffa0c88c}}.plot-image{object-fit:contain;width:100%;max-width:100%;height:auto;display:block}.basic-gradient-sheet{width:min(850px,95vw)}.basic-gradient-sheet th{text-align:center!important}.basic-gradient-sheet{height:auto;max-height:94vh}.formula-header{background:#00000040;border-bottom:1px solid #ec77ae59;padding:24px 24px 18px}.formula-header h2{color:#fff;text-align:center;margin:0;font-size:1.4rem;font-weight:600;line-height:1.2}.formula-table{border-collapse:collapse;table-layout:fixed;width:100%}.formula-table th{color:#f8f3f3;text-transform:uppercase;letter-spacing:.06em;text-align:left;background:#00000073;border-bottom:1px solid #ec77ae66;border-right:1px solid #6dabd533;padding:14px 16px;font-size:.9rem;font-weight:600}.formula-table th:first-child{width:42%}.formula-table th:last-child{border-right:none;width:58%}.formula-table tbody tr{border-bottom:1px solid #6dabd540;transition:background .25s}.formula-table tbody tr:last-child{border-bottom:none}@media (hover:hover) and (pointer:fine){.formula-table tbody tr:hover{background:#6dabd51a}}.formula-cell,.examples-cell{box-sizing:border-box;vertical-align:middle;min-width:0}.formula-cell{border-right:1px solid #6dabd533;padding:12px}.examples-cell{padding:10px 12px}.formula-box{box-sizing:border-box;justify-content:center;align-items:center;width:100%;min-width:0;padding:8px 4px;display:flex;overflow:auto hidden}.formula-box .katex-display{margin:0}.formula-example{box-sizing:border-box;border-bottom:1px solid #6dabd51f;width:100%;min-width:0;padding:7px 4px;overflow:auto hidden}.formula-example:last-child{border-bottom:none}.formula-example .katex-display{margin:0}@media (width<=768px){.basic-gradient-sheet{width:95%;height:auto;max-height:94vh}.formula-header{padding:18px 16px 14px}.formula-header h2{font-size:1.2rem}.formula-table th{letter-spacing:.04em;padding:10px 8px;font-size:.72rem}.formula-table th:first-child{width:40%}.formula-table th:last-child{width:60%}.formula-cell{padding:8px 5px}.examples-cell{padding:6px 5px}.formula-box{padding:4px 2px}.formula-example{padding:6px 2px}.formula-box .katex,.formula-example .katex{font-size:.82em}}.gradient-matrix-sheet{width:min(1000px,95vw);height:auto;max-height:94vh}.gradient-matrix-sheet .formula-header{background:#00000040;border-bottom:1px solid #ec77ae59;padding:24px 24px 18px}.gradient-matrix-sheet .formula-header h2{color:#fff;text-align:center;margin:0;font-size:1.4rem;font-weight:600;line-height:1.2}.gradient-matrix-table{border-collapse:collapse;table-layout:fixed;width:100%}.gradient-matrix-table th{color:#f8f3f3;text-transform:uppercase;letter-spacing:.06em;text-align:center;background:#00000073;border-bottom:1px solid #ec77ae66;border-right:1px solid #6dabd533;padding:14px 16px;font-size:.9rem;font-weight:600}.gradient-matrix-table th:first-child{width:27%}.gradient-matrix-table th:nth-child(2){width:28%}.gradient-matrix-table th:nth-child(3){border-right:none;width:45%}.gradient-matrix-table tbody tr{border-bottom:1px solid #6dabd540;transition:background .25s}.gradient-matrix-table tbody tr:last-child{border-bottom:none}@media (hover:hover) and (pointer:fine){.gradient-matrix-table tbody tr:hover{background:#6dabd51a}}.matrix-equation-cell,.matrix-known-cell,.matrix-formulas-cell{box-sizing:border-box;vertical-align:middle;min-width:0}.matrix-equation-cell,.matrix-known-cell{border-right:1px solid #6dabd533;padding:12px}.matrix-formulas-cell{padding:10px 12px}.matrix-formula-box{box-sizing:border-box;justify-content:center;align-items:center;width:100%;min-width:0;padding:8px 4px;display:flex;overflow:auto hidden}.matrix-formula-box .katex-display{margin:0}.matrix-formula-example{box-sizing:border-box;border-bottom:1px solid #6dabd51f;width:100%;min-width:0;padding:7px 4px;overflow:auto hidden}.matrix-formula-example:last-child{border-bottom:none}.matrix-formula-example .katex-display{margin:0}@media (width<=768px){.gradient-matrix-sheet{width:95%;height:auto;max-height:94vh}.gradient-matrix-sheet .formula-header{padding:18px 16px 14px}.gradient-matrix-sheet .formula-header h2{font-size:1.2rem}.gradient-matrix-table th{letter-spacing:.03em;padding:10px 6px;font-size:.68rem}.gradient-matrix-table th:first-child{width:27%}.gradient-matrix-table th:nth-child(2){width:28%}.gradient-matrix-table th:nth-child(3){width:45%}.matrix-equation-cell,.matrix-known-cell{padding:8px 4px}.matrix-formulas-cell{padding:6px 4px}.matrix-formula-box{padding:4px 2px}.matrix-formula-example{padding:6px 2px}.matrix-formula-box .katex,.matrix-formula-example .katex{font-size:.72em}}.cheatsheet-btn{z-index:4;color:#fff;cursor:pointer;-webkit-tap-highlight-color:transparent;background:#090909d9;border:1px solid #6dabd559;border-radius:12px;padding:12px 22px;font-size:1rem;transition:background .2s,border-color .2s,box-shadow .2s,transform .15s}@media (hover:hover) and (pointer:fine){.cheatsheet-btn:hover{background:#102d4e;border-color:#ec77ae;box-shadow:0 0 18px #ec77ae2e}}.cheatsheet-btn:active{transform:scale(.98)}.cheatsheet-overlay{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:5;touch-action:none;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;background:#000000a6;justify-content:center;align-items:center;display:flex;position:fixed;inset:0;overflow:hidden auto}.cheatsheet-menu{background:#080808f2;border:1px solid #6dabd559;border-radius:22px;gap:3rem;min-width:500px;margin:1rem;padding:2rem;display:flex;position:relative;box-shadow:0 0 40px #6dabd514,0 0 50px #ec77ae14}.column{flex-direction:column;flex:1;gap:.8rem;display:flex}.column h3{color:#ec77ae;text-align:left;letter-spacing:.05em;margin:0 0 .8rem;font-size:1.2rem}.column button{color:#fff;text-align:left;cursor:pointer;background:#0f1a25;border:1px solid #6dabd566;border-radius:14px;padding:14px;transition:background .2s,transform .15s,box-shadow .2s}@media (hover:hover) and (pointer:fine){.column button:hover{background:#102d4e;border-color:#ec77ae;transform:translate(6px);box-shadow:0 0 14px #ec77ae2e}}.column button:active{transform:translate(2px)}.cheatsheet-sheet{overscroll-behavior:contain;-webkit-overflow-scrolling:touch;background:#050505f5;border:1px solid #6dabd559;border-radius:24px;width:min(1200px,95vw);height:min(90vh,1000px);position:relative;overflow:hidden auto;box-shadow:0 0 50px #6dabd51f,0 0 60px #ec77ae14}.close-btn-cheat-sheet-menu{color:#fff;cursor:pointer;z-index:8;background:0 0;border:none;font-size:1.5rem;transition:background .2s,transform .15s;position:absolute;top:10px;right:20px}@media (hover:hover) and (pointer:fine){.close-btn-cheat-sheet-menu:hover{color:#ec77ae}}.close-btn-cheat-sheet-selected{color:#fff;cursor:pointer;z-index:8;background:0 0;border:none;font-size:1.5rem;transition:background .2s,transform .15s;position:absolute;top:.5rem;right:1rem}@media (hover:hover) and (pointer:fine){.close-btn-cheat-sheet-selected:hover{color:#ec77ae}}@media (width<=768px){.close-btn-cheat-sheet-selected{position:fixed;top:.5rem;right:2rem}}.cheatsheet-sheet::-webkit-scrollbar{width:10px}.cheatsheet-sheet::-webkit-scrollbar-thumb{background:#6dabd5;border-radius:999px}.cheatsheet-sheet::-webkit-scrollbar-track{background:#ffffff0a}@media (width<=768px){.cheatsheet-btn{padding:10px 18px;font-size:.95rem;top:1.5rem;left:1rem}.cheatsheet-menu{width:92vw;min-width:unset;flex-direction:column;gap:2rem;padding:1.5rem}.cheatsheet-sheet{border-radius:0;width:100vw;height:100vh}}.tools-container{flex-direction:column;align-items:flex-start;gap:16px;display:flex;position:fixed;top:20px;left:10px}.tools-container button{text-align:left;justify-content:flex-start}.desktop-tools{gap:10px;display:flex}.mobile-tools{display:none}.tools-button{color:#fff;cursor:pointer;-webkit-tap-highlight-color:transparent;background:#000c;border:1px solid #fff3;border-radius:20%;width:42px;height:42px;font-size:22px;position:fixed;top:.7rem;left:.8rem}.tools-button:hover{color:#ffa0c8e6}.tools-button:active{color:#ffa0c8}.tools-modal-backdrop{z-index:1000;touch-action:none;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;background:#000000e6;justify-content:center;align-items:center;display:flex;position:fixed;inset:0;overflow:hidden}.tools-modal{background:#000;border:1px solid #ff78b440;border-radius:12px;flex-direction:column;gap:12px;margin:20px;padding:50px 30px 30px;display:flex;position:relative}.tools-container-close-button{color:#fff;cursor:pointer;background:0 0;border:none;border-radius:50%;padding:4px 10px;font-size:20px;transition:all .2s;position:absolute;top:.1rem;right:.1rem}.tools-container-close-button:hover{color:#ec77ae}@media (width<=768px){.desktop-tools{display:none}.mobile-tools{display:block}}.login-page{justify-content:center;align-items:center;width:100%;min-height:80vh;padding:2rem;display:flex}.login-card{background:var(--col2);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid #ff78b440;border-radius:24px;width:min(100%,500px);padding:2.5rem;box-shadow:0 0 30px #ff78b414,0 0 60px #6dabd50d}.login-card h1{margin-top:0;margin-bottom:2rem}.login-form{flex-direction:column;gap:1.25rem;display:flex}.form-group{flex-direction:column;display:flex}.form-group label{color:#d4d4d8;margin-bottom:.5rem;font-size:.95rem}.form-group input{background:var(--col1);color:#fff;border:1px solid #6dabd54d;border-radius:12px;padding:.9rem 1rem;font-size:1rem;transition:border-color .2s,box-shadow .2s,background .2s}.form-group input:focus{background:#0f0f19f2;border-color:#ec77ae;outline:none;box-shadow:0 0 0 2px #ec77ae26,0 0 12px #ec77ae40}.login-error{color:#ff6b81;margin:0;text-align:center!important}.login-submit{color:#ec77ae;cursor:pointer;background:#0f1a25;border:1px solid #6dabd5;border-radius:12px;margin-top:.5rem;padding:.95rem;font-size:1rem;font-weight:600;transition:background .2s,box-shadow .2s,transform .15s}@media (hover:hover) and (pointer:fine){.login-submit:hover{background:#102d4e;box-shadow:0 0 12px #6dabd566}}.login-submit:active{transform:translateY(1px)}.login-submit:disabled{opacity:.5;cursor:not-allowed}.forgot-password{text-align:center;flex-direction:column;align-items:center;gap:.75rem;margin-top:1.25rem;display:flex}.link-button{color:#6dabd5;cursor:pointer;background:0 0;border:none;padding:.25rem .5rem;font-size:.95rem;transition:color .2s,transform .15s}.link-button:hover{color:#ec77ae}.link-button:active{transform:translateY(1px)}.link-button:disabled{opacity:.5;cursor:not-allowed}.reset-info{color:#d4d4d8d9;background:#6dabd514;border:1px solid #6dabd533;border-radius:12px;max-width:100%;margin:0;padding:.75rem 1rem;font-size:.9rem}.login-card{gap:2rem;width:min(100%,900px);display:flex}.login-left{flex:1}.login-right{border-left:1px solid #6dabd533;flex-direction:column;flex:1;justify-content:center;padding:1.5rem;display:flex}.login-right h2{margin-top:0;margin-bottom:1rem}.login-cta-text{color:#d4d4d8d9;text-align:center;margin-bottom:2rem;line-height:1.5}.buy-course-btn{color:#ec77ae;cursor:pointer;background:#0f1a25;border:1px solid #ec77ae99;border-radius:12px;margin-top:1rem;padding:.95rem 1.2rem;font-size:1rem;font-weight:600;transition:background .2s,box-shadow .2s,transform .15s,border-color .2s}.buy-course-btn:hover{background:#102d4e;border-color:#ec77ae;transform:translateY(-2px);box-shadow:0 0 14px #ec77ae40}.buy-course-btn:active{transform:translateY(0)}.buy-course-btn:disabled{opacity:.5;cursor:not-allowed}@media (width<=768px){.login-page{align-items:flex-start;padding:1rem}.login-card{flex-direction:column;gap:1.5rem;width:100%;padding:1.5rem}.login-right{text-align:center;border-top:1px solid #6dabd533;border-left:none;padding:1.5rem 0 0}.login-card h1{text-align:center;margin-bottom:1.5rem}.login-submit,.buy-course-btn{width:100%}}.page-main-content{z-index:10;text-align:center;box-sizing:border-box;flex-direction:column;justify-content:center;align-items:center;width:100vw;height:100vh;min-height:100vh;padding:0 20px;font-family:Rajdhani,Orbitron,sans-serif;display:flex;position:relative}.line1{color:#fff;text-transform:uppercase;text-align:center;letter-spacing:.12em;text-shadow:0 0 15px #2ecc71,0 0 30px #2ecc71,0 0 60px #2ecc71,0 0 90px #ff78b4b3;margin:0 0 2.2rem;font-size:clamp(2.8rem,8vw,6.5rem);font-weight:500;animation:2s infinite alternate neon-flicker-green}.line2{text-align:center;color:#eee;text-shadow:0 0 20px #ff78b499;max-width:780px;margin:3rem 0 6rem;font-size:clamp(1.1rem,2.8vw,2.45rem);line-height:1.45}.line3{color:#2ecc71;text-shadow:0 0 10px #2ecc71,0 0 25px #2ecc71cc;max-width:720px;margin:0 0 4rem;font-size:clamp(1.1rem,2.8vw,1.45rem);line-height:1.55}.line4{margin:4rem 0 0;font-size:clamp(1.1rem,2.8vw,1.8rem)}.start-button{text-transform:uppercase;letter-spacing:.15em;color:#fff;cursor:pointer;text-shadow:0 0 12px #2ecc71;background:0 0;border:3px solid #2ecc71;border-radius:12px;padding:20px 60px;font-size:clamp(1.25rem,3vw,1.55rem);font-weight:600;transition:all .4s cubic-bezier(.23,1,.32,1);position:relative;overflow:hidden;box-shadow:0 0 25px #2ecc71,inset 0 0 20px #2ecc7140}.start-button:hover{text-shadow:0 0 20px #ff78b4;background:#2ecc711f;border-color:#ff78b4;transform:translateY(-6px)scale(1.05);box-shadow:0 0 45px #ff78b4,0 0 70px #ff78b4b3,inset 0 0 35px #ff78b466}@keyframes neon-flicker-green{0%,to{text-shadow:0 0 1px #2ecc71,0 0 2px #2ecc71,0 0 3px #2ecc71,0 0 4px #ff78b4b3}50%{text-shadow:0 0 2px #2ecc71,0 0 4px #2ecc71,0 0 6px #2ecc71,0 0 8px #ff78b480}}:root{--col1:#000;--col2:#000}#tsparticles{z-index:-1;pointer-events:none;width:100%;height:100%;position:fixed;top:0;left:0}#tsparticles canvas{display:block}body{color:#f8f3f3;margin:0;font-family:system-ui,-apple-system,sans-serif}.main-content{flex-direction:column;flex:1;margin-top:50px;display:flex}.navigation_buttons{flex-wrap:nowrap;justify-content:center;gap:clamp(1.5rem,6vw,14rem);margin-top:auto;margin-bottom:3rem;padding-top:3rem;display:flex}.forward-backward-button{color:#ec77ae;cursor:pointer;white-space:nowrap;background:#0f1a25;border:1px solid #6dabd5;border-radius:6px;padding:12px 28px;font-size:1.1rem;transition:background .2s}@media (hover:hover) and (pointer:fine){.forward-backward-button:hover{background:#102d4e}}.forward-backward-button:active{background:#0f4a99}.forward-backward-button:disabled{opacity:.6;cursor:not-allowed}.run-button{color:#ec77ae;cursor:pointer;background:#061c10;border:1px solid #2ecc71;border-radius:12px;align-self:flex-end;margin-top:8px;margin-bottom:18px;margin-right:8px;padding:8px 18px;font-size:1.1rem;transition:all .2s}@media (width<=768px){.run-button{margin-top:0;margin-bottom:0}.run-button:disabled{font-size:.8rem}}@media (hover:hover) and (pointer:fine){.run-button:hover{background:#185934;box-shadow:0 0 10px #2ecc71}}.run-button:active{background:#185934;box-shadow:0 0 10px #2ecc71}.run-button:disabled{opacity:.4;cursor:not-allowed;font-size:.9rem}.run-button{-webkit-tap-highlight-color:transparent}.reset-button{color:#dfffe8;cursor:pointer;background:linear-gradient(#082416f2,#05160df2);border:1px solid #2ecc718c;border-radius:14px;width:100%;margin-top:10px;padding:12px 24px;font-size:1rem;font-weight:600;transition:background .25s,border-color .25s,box-shadow .25s,transform .15s}@media (hover:hover) and (pointer:fine){.reset-button:hover{background:linear-gradient(#124628f2,#0a2818f2);transform:translateY(-1px);box-shadow:0 0 18px #2ecc714d,inset 0 0 12px #2ecc7114}}.reset-button:active{transform:translateY(1px)}.reset-button:disabled{opacity:.45;cursor:not-allowed}.solution-button{cursor:pointer;color:#ec77ae;background-color:#0f1a25;border:1px solid #6dabd5;border-radius:6px;margin:15px auto;padding:12px 28px;font-size:1.1rem;transition:all .3s;display:block}@media (hover:hover) and (pointer:fine){.solution-button:hover{background:#102d4e;box-shadow:0 0 10px #2ecc71}}.solution-button:active{background:#102d4e;box-shadow:0 0 10px #2ecc71}.item{cursor:pointer;border-radius:5px;margin-bottom:5px;padding:10px;transition:background-color .2s}.item:hover{background-color:#ec78ae4d}.item.active{background-color:#ec78ae99}.item{-webkit-tap-highlight-color:transparent}.item.disabled{opacity:.6;pointer-events:none}.dots{letter-spacing:2px;margin-left:2rem;font-size:20px}.solutions-content{opacity:0;pointer-events:none;transition:opacity .4s ease-in-out,transform .4s ease-in-out;transform:scale(.98)}.solutions-content.visible{opacity:1;pointer-events:auto;transform:scale(1)}.lang-container{justify-content:right;display:flex}.lang-select{color:#fff;cursor:pointer;appearance:none;background-color:#000;border:1px solid #ffffff4d;border-radius:12px;outline:none;width:100%;padding:10px 14px;font-size:16px;transition:all .3s}.lang-select:hover{background-color:#0009;border-color:#ffffff80}.lang-select:focus{background-color:#000000a6;border-color:#ffffffb3;box-shadow:0 0 0 3px #ffffff26}.lang-select option{color:#fff;background-color:#1a1a1a;padding:10px}.app-container{flex-direction:column;min-height:100vh;display:flex}.content{flex:1;justify-content:center;padding:0;display:flex}.footer{text-align:center;color:#888;border-top:1px solid #333;justify-content:center;align-items:center;gap:clamp(16px,5vw,80px);padding:16px;font-size:14px;display:flex}.footer a{color:inherit;text-decoration:none}.footer a:hover{text-decoration:underline}.loading-container{justify-content:center;align-items:center;width:100%;height:100vh;display:flex}.spinner{border:8px solid #646464;border-top-color:#b6d7a8;border-radius:50%;width:50px;height:50px;animation:1.2s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.contact-card{background:var(--col2);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);text-align:center;border:1px solid #ff78b440;border-radius:24px;width:min(90%,800px);margin:4rem auto;padding:3rem;box-shadow:0 0 30px #ff78b414,0 0 60px #6dabd50d}.contact-card h1{margin-top:0;margin-bottom:2rem}.contact-card p{text-align:center;color:#d4d4d8;line-height:1.8}.contact-email{border-top:1px solid #6dabd54d;border-bottom:1px solid #6dabd54d;max-width:500px;margin:2.5rem auto;padding:1.5rem 0}.contact-email span{color:#888;text-transform:uppercase;letter-spacing:.15em;margin-bottom:.75rem;font-size:.85rem;display:block}.contact-email a{color:#ec77ae;font-size:clamp(1.2rem,2vw,1.8rem);font-weight:500;text-decoration:none;transition:color .2s}.contact-email a:hover{color:#ff9bc6}.log_in_button{color:#fff;cursor:pointer;z-index:2;background:#090909d9;border:0 solid #6dabd5;border-radius:999px;padding:clamp(8px,1vw,14px) clamp(16px,2vw,28px);font-size:1.5rem;transition:background .2s;position:fixed;top:1rem;right:7.5rem}@media (width<=768px){.log_in_button{font-size:1.2rem;position:absolute;top:.8rem;right:4rem}}@media (hover:hover) and (pointer:fine){.log_in_button:hover{color:#ffa0c8e6}}.log_in_button:active{color:#ffa0c8}.log_in_button{-webkit-tap-highlight-color:transparent}.user-panel-button{z-index:0;color:#fff;opacity:1;-webkit-tap-highlight-color:transparent;font-size:3rem;transition:all .2s;position:fixed;top:1rem;right:8.5rem}.user-panel-button:hover{opacity:1;color:#ffa0c8e6}.user-panel-button:active{color:#ffa0c8}@media (width<=768px){.user-panel-button{font-size:2rem;position:absolute;right:5rem}}hr{background:linear-gradient(90deg,#0000,#6dabd5b3,#ec77aecc,#6dabd5b3,#0000);border:none;width:min(55vw,90%);height:1px;margin:4rem auto}@media (width<=768px){hr{width:85vw;margin:3rem auto}}.course-promo-box{text-align:center;background:#0f1a258c;border:1px solid #ec77ae59;border-radius:18px;flex-direction:column;justify-content:space-evenly;align-items:center;min-height:350px;margin-top:100px;padding:2rem;display:flex}@media (width<=768px){.course-promo-box{margin-top:24px}}.course-promo-title{margin:0 0 1rem}.course-promo-text{color:#d4d4d8d9;max-width:420px;margin-bottom:1.75rem;line-height:1.6}.course-promo-btn{color:#ec77ae;cursor:pointer;background:#0f1a25;border:1px solid #ec77ae99;border-radius:12px;padding:.95rem 1.4rem;font-size:1rem;font-weight:600;transition:background .2s,border-color .2s,box-shadow .2s,transform .15s}.course-promo-btn:hover{background:#102d4e;border-color:#ec77ae;transform:translateY(-2px);box-shadow:0 0 14px #ec77ae40}.course-promo-btn:active{transform:translateY(0)}*,:before,:after{box-sizing:border-box}.container{--content-width:850px;--wide-width:1200px;width:100%;max-width:var(--wide-width);min-width:0;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}.container>h1,.container>h2,.container>h3,.container>h4,.container>h5,.container>h6,.container>p,.container>ul,.container>ol,.container>.math-container,.container>.math-container2,.container>pre{width:100%;max-width:var(--content-width);min-width:0;margin-left:auto;margin-right:auto}.container>h1,.container>h2,.container>h3,.container>h4,.container>h5,.container>h6{text-align:center;margin-bottom:clamp(20px,2.5vw,45px)}.container>h1{font-size:clamp(2rem,4vw,3rem)}.container>h2{font-size:clamp(1.7rem,3.2vw,2.4rem)}.container>h3{font-size:clamp(1.4rem,2.7vw,2rem)}.container>h4{font-size:clamp(1.2rem,2.3vw,1.7rem)}.container>h5{font-size:clamp(1.1rem,2vw,1.5rem)}.container>h6{font-size:clamp(1rem,1.7vw,1.3rem)}.container>h1 .katex,.container>h2 .katex,.container>h3 .katex,.container>h4 .katex,.container>h5 .katex,.container>h6 .katex{font-size:inherit}.container ul li::marker{color:#ec77ae;font-weight:600}.container ol li::marker{color:#ec77ae;font-weight:600}.container>p{text-align:justify}.container>.math-container,.container>.math-container2{max-width:var(--content-width);min-width:0;overflow:auto hidden}.main-content{min-width:0}.container>pre{white-space:pre;min-width:0;overflow:auto hidden}.container pre[class*=language-]{margin-inline:auto}code[class*=language-],pre[class*=language-]{background:0 0!important}.container>.code-panel,.container>.solutions-wrapper,.container>img,.container>video{width:100%;max-width:var(--wide-width);min-width:0;margin-left:auto;margin-right:auto}.container img{max-width:100%;margin-left:auto;margin-right:auto;display:block}.container>video{height:auto}.container>* video{width:100%;max-width:100%;height:auto;display:block}.code-panel,.solutions-wrapper{min-width:0;max-width:100%}.solutions-wrapper{border:1px solid #6dabd5;border-radius:22px}.container p,.container li,.container h1,.container h2,.container h3,.container h4,.container h5,.container h6{overflow-wrap:break-word}@media (width<=768px){.container{width:100%;max-width:none;padding-left:12px;padding-right:12px}.container>h1,.container>h2,.container>h3,.container>h4,.container>h5,.container>h6,.container>p,.container>ul,.container>ol,.container>.math-container,.container>.math-container2,.container>pre,.container>.code-panel,.container>.solutions-wrapper,.container>img,.container>video{width:100%;max-width:100%}.container>* video{width:100%;max-width:100%;height:auto}}.katex{line-height:1.8}.math-container{max-width:100%;margin-left:20px;margin-right:20px;overflow:auto hidden}.katex-display{scrollbar-color:#6dabd5a6 #0f1a25cc;padding-bottom:5px}pre[class*=language-],.math-container,.math-container2{scrollbar-color:#6dabd5a6 #0f1a25cc}.solutions-wrapper p{text-align:justify;margin-left:20px;margin-right:20px}*{scrollbar-width:thin;scrollbar-color:#6dabd5a6 #0f1a25cc}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#0f1a25bf;border-radius:999px;margin:0 8px}::-webkit-scrollbar-thumb{background:linear-gradient(90deg,#6dabd5bf,#ec77aebf);border:2px solid #0f1a25bf;border-radius:999px}::-webkit-scrollbar-thumb:hover{background:linear-gradient(90deg,#6dabd5f2,#ec77aef2)}.variables-tree{scrollbar-width:thin;scrollbar-color:#6dabd5a6 #0f1a25cc}.variables-tree::-webkit-scrollbar{width:8px;height:8px}.variables-tree::-webkit-scrollbar-track{background:#0f1a25bf;border-radius:999px;margin:0 8px}.variables-tree::-webkit-scrollbar-thumb{background:linear-gradient(90deg,#6dabd5bf,#ec77aebf);border:2px solid #0f1a25bf;border-radius:999px}.variables-tree::-webkit-scrollbar-thumb:hover{background:linear-gradient(90deg,#6dabd5f2,#ec77aef2)}