@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(./KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(./KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(./KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(./KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(./KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(./KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(./KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(./KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(./KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(./KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(./KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(./KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(./KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(./KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(./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(./KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(./KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(./KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(./KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(./KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(./KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(./KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(./KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(./KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(./KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(./KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(./KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(./KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(./KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(./KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(./KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(./KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(./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(./KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(./KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(./KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(./KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(./KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(./KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(./KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(./KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(./KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(./KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(./KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(./KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(./KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(./KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(./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(./KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(./KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(./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(./KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(./KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(./KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(./KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(./KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(./KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(./KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(./KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,math,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.19.0"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .katex-base,.katex .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;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .katex-vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .katex-thinbox{display:inline-flex;flex-direction:row;max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .katex-hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.katex-root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .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{display:inline-block;width:.12em}.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 .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.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;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .katex-stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.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{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .reflectbox{display:inline-block;transform:scaleX(-1)}.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{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}:root{--bg: #f5f6f8;--surface: #ffffff;--surface-soft: #f8fafc;--text: #0f172a;--muted: #64748b;--muted-2: #94a3b8;--border: #e2e8f0;--border-strong: #cbd5e1;--accent: #4f46e5;--accent-hover: #4338ca;--accent-soft: #eef2ff;--danger: #dc2626;--danger-soft: #fef2f2;--amber: #d97706;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--radius-lg: 18px;--radius-md: 12px;--radius-sm: 9px;--sheet-peek: 108px;--font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-math: "Cambria Math", "STIX Two Math", "Times New Roman", Georgia, serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;overflow:hidden}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:15px;line-height:1.45;overscroll-behavior:none;-webkit-tap-highlight-color:transparent}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;touch-action:manipulation}button:disabled{cursor:not-allowed;opacity:.45}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::selection{background:#c7d2fe}.app{display:flex;flex-direction:column;height:100dvh;min-height:100vh;overflow:hidden;background:var(--bg)}.topbar{position:relative;z-index:40;display:flex;align-items:center;gap:10px;flex:0 0 auto;min-height:calc(50px + var(--safe-top));padding:var(--safe-top) 12px 0;background:#fffffff0;border-bottom:1px solid var(--border);backdrop-filter:saturate(1.4) blur(12px)}.brand{display:flex;align-items:baseline;gap:6px;min-width:0}.brand-mark{display:none;font-family:var(--font-math);font-size:24px;color:var(--accent);line-height:1}.brand-name{font-size:19px;font-weight:700;letter-spacing:.04em;white-space:nowrap}.brand-sub{display:none;font-size:11px;color:var(--muted-2);letter-spacing:.08em;white-space:nowrap}.mode-switch{display:flex;align-items:center;gap:2px;margin-left:auto;padding:3px;border-radius:999px;background:#eef2f7}.mode-option{min-width:58px;min-height:36px;padding:0 12px;border:0;border-radius:999px;background:transparent;color:var(--muted);font-size:13px;font-weight:600;transition:background .16s ease,color .16s ease,box-shadow .16s ease}.mode-option.is-active{background:var(--surface);color:var(--text);box-shadow:0 2px 6px #0f172a1a}.mode-short{display:inline}.mode-long{display:none}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;padding:0;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--muted);transition:background .15s ease,color .15s ease}.icon-button:hover{background:var(--surface-soft);color:var(--text)}.topbar-help{flex:0 0 auto;width:38px;height:38px}.workspace{position:relative;display:flex;flex:1 1 auto;min-height:0;overflow:hidden}.canvas-region{position:relative;flex:1 1 auto;min-width:0;min-height:0;overflow:hidden;background:#fff}.desktop-sidebar{display:none}.board2d-root,.scene3d-root{position:absolute;inset:0}.board-canvas,.jxgbox{position:absolute;inset:0;width:100%;height:100%;overflow:hidden;background:#fff;touch-action:none}.jxgbox text,.jxgbox .JXGtext{font-family:var(--font-sans)}.jxgbox .JXG_navigation,.jxgbox .JXG_copyright,.jxgbox .jxg_navigation,.jxgbox .jxg_copyright{display:none!important}.board-error{position:absolute;top:10px;left:10px;right:10px;z-index:22;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 10px 10px 14px;border:1px solid #fecaca;border-radius:var(--radius-md);background:#fff7f7;color:#991b1b;font-size:13px;box-shadow:0 6px 20px #7f1d1d14}.canvas-controls{position:absolute;right:12px;bottom:calc(var(--sheet-peek) + 16px + var(--safe-bottom));z-index:18;display:flex;flex-direction:column;gap:7px}.control-button{width:44px;height:44px;border:1px solid var(--border);border-radius:13px;background:#fffffff2;color:var(--muted);box-shadow:0 4px 14px #0f172a14;backdrop-filter:blur(8px)}.control-button.is-active{border-color:#c7d2fe;background:var(--accent-soft);color:var(--accent)}.minus-symbol{font-size:22px;line-height:1}.desktop-only-control{display:none}.tool-click-layer{position:absolute;inset:0;z-index:15;touch-action:none;cursor:crosshair}.pending-dot{position:absolute;width:14px;height:14px;border:3px solid #fff;border-radius:50%;background:var(--accent);box-shadow:0 0 0 2px var(--accent),0 4px 10px #4f46e566;transform:translate(-50%,-50%);pointer-events:none}.tool-hint{position:absolute;top:calc(12px + var(--safe-top));left:12px;right:12px;z-index:24;display:flex;align-items:center;gap:8px;padding:9px 9px 9px 14px;border:1px solid #dbe3f0;border-radius:14px;background:#fffffff7;box-shadow:0 8px 30px #0f172a1f;backdrop-filter:blur(10px)}.tool-hint-text{display:flex;min-width:0;flex:1;align-items:baseline;gap:8px}.tool-hint-text strong{flex:0 0 auto;color:var(--accent);font-size:13px}.tool-hint-text span{overflow:hidden;color:var(--muted);font-size:12px;text-overflow:ellipsis;white-space:nowrap}.tool-orientation{display:flex;gap:2px;padding:2px;border-radius:8px;background:#eef2f7}.tool-orientation button{min-height:32px;padding:0 8px;border:0;border-radius:6px;background:transparent;color:var(--muted);font-size:12px}.tool-orientation button.is-active{background:#fff;color:var(--text);box-shadow:0 1px 4px #0f172a1f}.tool-cancel{flex:0 0 auto;min-height:36px;padding:0 12px;border:0;border-radius:9px;background:#f1f5f9;color:var(--muted);font-size:13px;font-weight:600}.mobile-sheet{position:fixed;right:0;bottom:var(--keyboard-inset, 0px);left:0;z-index:30;display:flex;flex-direction:column;height:calc(var(--sheet-peek) + var(--safe-bottom));padding-bottom:var(--safe-bottom);overflow:hidden;border-radius:var(--radius-lg) var(--radius-lg) 0 0;background:var(--surface);box-shadow:0 -8px 34px #0f172a21;transition:height .22s cubic-bezier(.2,.8,.2,1);will-change:height}.mobile-sheet.is-expanded{height:min(48dvh,560px);max-height:calc(100dvh - var(--keyboard-inset, 0px) - 64px)}.sheet-grabber{display:flex;flex:0 0 auto;align-items:center;justify-content:center;width:100%;height:22px;padding:0;border:0;background:transparent;touch-action:none}.grabber-bar{width:38px;height:4px;border-radius:999px;background:#cbd5e1}.sheet-peekbar{display:flex;flex:0 0 auto;align-items:center;gap:10px;padding:0 14px 12px}.sheet-title{display:flex;align-items:center;gap:7px;min-height:44px;padding:0 2px;border:0;background:transparent;color:var(--text)}.sheet-title-label{font-size:17px;font-weight:700}.sheet-count{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 6px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:11px;font-weight:700}.sheet-title svg{color:var(--muted-2)}.sheet-quick-actions{display:flex;gap:6px;margin-left:auto}.sheet-quick-button{display:inline-flex;align-items:center;gap:4px;min-height:44px;padding:0 11px;border:1px solid var(--border);border-radius:11px;background:var(--surface-soft);color:var(--text);font-size:13px;font-weight:600}.sheet-quick-button:active{background:#eef2f7}.sheet-content{display:none;flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:2px 14px 0;-webkit-overflow-scrolling:touch}.mobile-sheet.is-expanded .sheet-content{display:block}.sheet-bottom-pad{height:calc(24px + var(--safe-bottom))}.sheet-empty-hint{margin:10px 0;color:var(--muted);font-size:13px;line-height:1.6}.objects-panel{display:flex;flex-direction:column;gap:10px;min-height:0}.objects-panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:14px 14px 4px}.objects-panel-head h2{margin:0;font-size:19px;letter-spacing:.01em}.objects-panel-head p{margin:2px 0 0;color:var(--muted);font-size:12px}.objects-head-actions{display:flex;align-items:center;gap:6px}.secondary-small-button{display:inline-flex;align-items:center;gap:4px;min-height:38px;padding:0 10px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);font-size:13px;font-weight:600}.primary-small-button{display:inline-flex;align-items:center;gap:4px;min-height:38px;padding:0 12px;border:0;border-radius:10px;background:var(--accent);color:#fff;font-size:13px;font-weight:600;box-shadow:0 5px 14px #4f46e53b}.objects-empty{display:flex;flex-direction:column;align-items:flex-start;gap:2px;margin:0;padding:18px;border:1px dashed var(--border-strong);border-radius:var(--radius-md);background:var(--surface-soft);color:var(--muted);font-size:13px}.objects-empty p{margin:0}.object-list{display:flex;flex-direction:column;gap:8px}.panel-section{display:flex;flex-direction:column;gap:10px}.geometry-section{padding-top:2px}.section-heading{display:flex;align-items:center;justify-content:space-between;padding:0 2px}.section-heading h3{margin:0;color:var(--muted);font-size:12px;font-weight:700;letter-spacing:.08em}.section-count{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;border-radius:999px;background:#f1f5f9;color:var(--muted);font-size:11px}.section-note{margin:-2px 2px 4px;color:var(--muted-2);font-size:11px;line-height:1.5}.object-card{overflow:hidden;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);transition:border-color .15s ease,box-shadow .15s ease}.object-card.is-expanded{border-color:#c7d2fe;box-shadow:0 4px 18px #4f46e512}.object-card.has-error{border-color:#fecaca}.card-head{display:flex;align-items:center;gap:8px;min-height:52px;padding:7px 6px 7px 11px}.color-swatch{position:relative;flex:0 0 auto;width:20px;height:20px;border:2px solid rgba(255,255,255,.9);border-radius:50%;box-shadow:0 0 0 1px #0f172a1f;cursor:pointer}.color-swatch input{position:absolute;inset:-6px;width:calc(100% + 12px);height:calc(100% + 12px);margin:0;padding:0;opacity:0;cursor:pointer}.card-title-button{display:flex;flex:1 1 auto;flex-direction:column;align-items:flex-start;gap:1px;min-width:0;min-height:38px;padding:2px 0;border:0;background:transparent;text-align:left}.card-kind{display:flex;align-items:center;gap:5px;color:var(--muted-2);font-size:10px;font-weight:700;letter-spacing:.09em}.card-summary{overflow:hidden;width:100%;color:var(--text);font-family:var(--font-math);font-size:15px;line-height:1.3;text-overflow:ellipsis;white-space:nowrap}.error-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--danger)}.card-actions{display:flex;flex:0 0 auto;align-items:center}.small-icon{width:34px;height:34px;border-radius:8px}.danger-icon:hover{background:var(--danger-soft);color:var(--danger)}.card-body{display:flex;flex-direction:column;gap:12px;padding:12px 12px 14px;border-top:1px solid var(--border);background:linear-gradient(180deg,#fcfdff,#fff 90px)}.field-label{display:block;margin-bottom:-4px;color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.06em}.field-row{display:flex;align-items:center;gap:7px;min-height:46px;padding:0 11px;border:1px solid var(--border);border-radius:11px;background:var(--surface);transition:border-color .15s ease,box-shadow .15s ease}.field-row:focus-within{border-color:#a5b4fc;box-shadow:0 0 0 3px var(--accent-soft)}.field-row.has-error{border-color:#fca5a5;background:snow}.field-prefix{flex:0 0 auto;color:var(--muted);font-family:var(--font-math);font-size:14px;white-space:nowrap}.expression-input{flex:1 1 auto;width:100%;min-width:0;min-height:42px;padding:0;border:0;outline:0;background:transparent;color:var(--text);font-family:var(--font-math);font-size:16px}.expression-input::placeholder{color:#b6c2d2;font-family:var(--font-sans);font-size:13px}.field-error{margin:-7px 2px 0;color:var(--danger);font-size:12px;line-height:1.45}.hint-text{margin:0;color:var(--muted);font-size:12px;line-height:1.55}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px}.setting-row.column-setting{flex-direction:column;align-items:stretch;gap:8px}.setting-title{display:block;color:var(--text);font-size:13px;font-weight:600}.setting-hint{margin:1px 0 0;color:var(--muted-2);font-size:11px;line-height:1.45}.setting-heading{margin-top:-4px;color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.06em}.range-label{margin-top:-3px}.range-row{display:flex;align-items:center;gap:8px}.range-separator{flex:0 0 auto;color:var(--muted-2);font-size:12px}.number-field{width:82px;min-height:40px;padding:0 9px;border:1px solid var(--border);border-radius:9px;background:var(--surface);font-family:var(--font-math);font-size:14px;text-align:center}.number-field:focus{border-color:#a5b4fc;outline:0;box-shadow:0 0 0 3px var(--accent-soft)}.derivative-box{padding:10px 12px;border:1px solid #e0e7ff;border-radius:10px;background:#f7f8ff}.derivative-formula{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px;color:var(--text);font-size:14px}.math-caption{color:var(--muted);font-family:var(--font-math);font-size:13px}.tangent-section{display:flex;flex-direction:column;gap:9px;padding-top:9px;border-top:1px dashed var(--border)}.tangent-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.text-button{min-height:38px;padding:0 10px;border:0;border-radius:9px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:700}.text-button:active{background:#e0e7ff}.tangent-list{display:flex;flex-direction:column;gap:5px;margin:0;padding:0;list-style:none}.tangent-row{display:flex;align-items:center;gap:8px;min-height:36px;padding:2px 2px 2px 9px;border-radius:8px;background:#fffbeb}.tangent-index{flex:0 0 auto;color:#92400e;font-size:11px;font-weight:700}.tangent-equation{overflow:hidden;flex:1;color:#78350f;font-family:var(--font-math);font-size:12px;text-overflow:ellipsis;white-space:nowrap}.orientation-row{display:flex;align-items:center;justify-content:space-between;gap:10px}.segmented{display:flex;gap:2px;padding:3px;border-radius:9px;background:#eef2f7}.small-segmented button{min-height:32px;padding:0 10px;border:0;border-radius:7px;background:transparent;color:var(--muted);font-size:12px;font-weight:600}.small-segmented button.is-active{background:#fff;color:var(--text);box-shadow:0 1px 4px #0f172a1a}.inline-number{display:flex;align-items:center;gap:5px}.inline-number .number-field{width:58px}.inline-number-suffix{color:var(--muted);font-size:12px}.select-field{width:100%;min-height:44px;padding:0 10px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);font-size:13px}.driver-actions{display:flex;flex-wrap:wrap;gap:6px}.equation-preview{overflow-x:auto;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface-soft);color:var(--text);font-size:14px;scrollbar-width:thin}.locus-button{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:44px;padding:0 12px;border:1px solid #c7d2fe;border-radius:10px;background:#f7f8ff;color:var(--accent);font-size:13px;font-weight:700}.locus-button:disabled{border-color:var(--border);background:var(--surface-soft);color:var(--muted-2)}.parameters-section{padding-top:8px;padding-bottom:2px}.parameter-list{display:flex;flex-direction:column;gap:4px}.parameter-row{display:grid;grid-template-columns:22px 58px minmax(0,1fr);align-items:center;gap:8px;padding:5px 2px}.parameter-row.has-error{grid-template-columns:22px 58px minmax(0,1fr)}.parameter-row .field-error{grid-column:1 / -1;margin:-2px 0 3px}.parameter-name{color:var(--accent);font-family:var(--font-math);font-size:16px;font-style:italic;font-weight:600}.parameter-input{width:58px;min-height:34px;padding:0 6px;border:1px solid var(--border);border-radius:8px;background:var(--surface);font-family:var(--font-math);font-size:13px;text-align:center}.parameter-slider{width:100%;height:32px;margin:0;background:transparent;accent-color:var(--accent)}.parameter-slider{-webkit-appearance:none;appearance:none}.parameter-slider::-webkit-slider-runnable-track{height:4px;border-radius:999px;background:#e2e8f0}.parameter-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;margin-top:-8px;border:2px solid #fff;border-radius:50%;background:var(--accent);box-shadow:0 1px 5px #4f46e566}.parameter-slider::-moz-range-track{height:4px;border-radius:999px;background:#e2e8f0}.parameter-slider::-moz-range-thumb{width:20px;height:20px;border:2px solid #fff;border-radius:50%;background:var(--accent)}.switch{position:relative;flex:0 0 auto;width:44px;height:26px;padding:0;border:0;border-radius:999px;background:#e2e8f0;transition:background .16s ease}.switch.is-on{background:var(--accent)}.switch-thumb{position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 4px #0f172a38;transition:transform .16s ease}.switch.is-on .switch-thumb{transform:translate(18px)}.empty-state{position:absolute;inset:0;z-index:8;display:flex;align-items:center;justify-content:center;padding:16px 16px calc(var(--sheet-peek) + 24px + var(--safe-bottom));pointer-events:none}.empty-card{width:min(440px,100%);padding:20px;border:1px solid var(--border);border-radius:20px;background:#fffffff0;box-shadow:0 18px 55px #0f172a1a;backdrop-filter:blur(14px);pointer-events:auto}.empty-eyebrow{margin:0 0 5px;color:var(--accent);font-size:10px;font-weight:800;letter-spacing:.16em}.empty-card h1{margin:0;color:var(--text);font-size:22px;letter-spacing:-.01em}.empty-copy{margin:7px 0 16px;color:var(--muted);font-size:13px;line-height:1.6}.example-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.example-button{display:flex;flex-direction:column;align-items:flex-start;gap:2px;min-height:56px;padding:9px 11px;border:1px solid var(--border);border-radius:11px;background:var(--surface-soft);text-align:left;transition:border-color .15s ease,background .15s ease}.example-button:hover{border-color:#c7d2fe;background:#f7f8ff}.example-label{color:var(--text);font-family:var(--font-math);font-size:15px}.example-hint{color:var(--muted-2);font-size:10px}.empty-footnote{margin:14px 0 0;color:var(--muted-2);font-size:11px}.scene3d-root{background:radial-gradient(circle at 50% 38%,#eef2ffcc,#fff0 55%),#fff;overflow:hidden}.scene3d-canvas{position:absolute;inset:0;touch-action:none}.scene3d-canvas canvas{display:block;width:100%;height:100%;touch-action:none}.scene3d-hint{position:absolute;left:12px;bottom:calc(var(--sheet-peek) + 16px + var(--safe-bottom));z-index:18;padding:5px 9px;border:1px solid rgba(226,232,240,.9);border-radius:999px;background:#ffffffdb;color:var(--muted-2);font-size:10px;pointer-events:none;backdrop-filter:blur(8px)}.scene3d-reset{position:absolute;right:12px;bottom:calc(var(--sheet-peek) + 16px + var(--safe-bottom));z-index:18}.scene3d-fallback{position:absolute;top:50%;left:50%;z-index:20;width:min(340px,calc(100% - 32px));padding:16px;border:1px solid #fecaca;border-radius:14px;background:#fff8f8;color:#991b1b;text-align:center;transform:translate(-50%,-60%);box-shadow:0 10px 30px #0f172a1a}.scene3d-fallback strong{font-size:14px}.scene3d-fallback p{margin:6px 0 0;font-size:12px;line-height:1.6}.scene3d-loading{display:flex;align-items:center;justify-content:center;height:100%;color:var(--muted);font-size:13px}.scene3d-placeholder{display:none}.overlay-layer{position:fixed;inset:0;z-index:60;display:flex;align-items:flex-end;justify-content:center;padding:12px 12px calc(12px + var(--safe-bottom));background:#0f172a52;backdrop-filter:blur(3px)}.action-sheet,.tool-tray{width:min(520px,100%);max-height:min(80dvh,720px);overflow-y:auto;border:1px solid var(--border);border-radius:20px;background:var(--surface);box-shadow:0 20px 60px #0f172a38}.action-sheet{padding:16px 16px 12px}.action-sheet-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.action-sheet-head h2{margin:0;font-size:18px}.action-sheet-options{display:flex;flex-direction:column;gap:7px;margin-top:14px}.action-option{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;padding:10px 14px;border:1px solid var(--border);border-radius:12px;background:var(--surface-soft);text-align:left}.action-option:active{background:var(--accent-soft)}.action-option-label{font-size:15px;font-weight:600}.action-option-detail{overflow:hidden;color:var(--muted);font-family:var(--font-math);font-size:12px;text-overflow:ellipsis;white-space:nowrap}.action-sheet-note{margin:10px 2px 0;color:var(--muted-2);font-size:11px}.tool-tray{padding:16px}.tool-tray-sub{margin:2px 0 0;color:var(--muted);font-size:12px}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:14px}.tool-grid-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;min-height:70px;padding:8px 4px;border:1px solid var(--border);border-radius:12px;background:var(--surface-soft);color:var(--text);font-size:12px}.tool-grid-button.is-active{border-color:#c7d2fe;background:var(--accent-soft);color:var(--accent)}.tool-grid-button svg{color:var(--accent)}.tool-tray-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;padding-top:12px;border-top:1px solid var(--border)}.snap-toggle{display:inline-flex;align-items:center;gap:5px;min-height:38px;padding:0 10px;border:1px solid var(--border);border-radius:9px;background:var(--surface-soft);color:var(--muted);font-size:12px}.snap-toggle.is-on{border-color:#c7d2fe;background:var(--accent-soft);color:var(--accent)}.tool-tray-footer p{margin:0;color:var(--muted-2);font-size:10px;text-align:right}.dialog-overlay{align-items:center}.dialog-card{width:min(560px,100%);max-height:min(86dvh,760px);overflow:hidden;border:1px solid var(--border);border-radius:20px;background:var(--surface);box-shadow:0 24px 80px #0f172a3d;display:flex;flex-direction:column}.dialog-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:18px 18px 10px}.dialog-eyebrow{margin:0 0 3px;color:var(--accent);font-size:10px;font-weight:800;letter-spacing:.16em}.dialog-head h2{margin:0;font-size:21px}.dialog-scroll{overflow-y:auto;padding:0 18px 18px;overscroll-behavior:contain}.help-section{padding:12px 0;border-top:1px solid var(--border)}.help-section:first-child{border-top:0;padding-top:4px}.help-section h3{margin:0 0 5px;color:var(--text);font-size:14px}.help-section p{margin:4px 0;color:var(--muted);font-size:13px;line-height:1.65}.help-section code{padding:1px 4px;border-radius:4px;background:#f1f5f9;color:#334155;font-family:var(--font-math);font-size:.94em}.dialog-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 18px calc(14px + var(--safe-bottom));border-top:1px solid var(--border);background:var(--surface-soft)}.primary-button{min-height:42px;padding:0 18px;border:0;border-radius:10px;background:var(--accent);color:#fff;font-size:14px;font-weight:600}.danger-text-button{min-height:40px;padding:0 8px;border:0;background:transparent;color:var(--danger);font-size:13px}.toast{position:fixed;top:calc(56px + var(--safe-top));left:50%;z-index:50;display:flex;align-items:center;gap:7px;max-width:calc(100vw - 28px);padding:9px 14px;border:1px solid #dbeafe;border-radius:999px;background:#fffffffa;color:#334155;font-size:12px;box-shadow:0 10px 30px #0f172a24;transform:translate(-50%);animation:toast-in .2s ease both}.toast svg{flex:0 0 auto;color:var(--accent)}.toast.is-error{border-color:#fecaca;color:#991b1b}.toast.is-error svg{color:var(--danger)}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,6px)}to{opacity:1;transform:translate(-50%)}}.formula{display:inline-block;max-width:100%}.formula .katex-display{margin:0}.formula .katex{font-size:1em}.formula .katex-display{overflow-x:auto;overflow-y:hidden;padding:1px 0;scrollbar-width:thin}@media(min-width:901px){.topbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:58px;padding:0 18px}.brand{justify-self:start}.brand-mark,.brand-sub{display:inline}.brand-name{font-size:20px}.mode-switch{justify-self:center;margin:0}.mode-option{min-height:34px;font-size:13px}.mode-short{display:none}.mode-long{display:inline}.topbar-help{justify-self:end;margin:0}.desktop-sidebar{display:flex;flex-direction:column;flex:0 0 342px;min-height:0;overflow-y:auto;border-right:1px solid var(--border);background:var(--bg);overscroll-behavior:contain}.desktop-sidebar .objects-panel{padding-bottom:28px}.canvas-region{background:#fff}.empty-state{padding:28px}.empty-card{padding:24px}.empty-card h1{font-size:26px}.empty-copy{font-size:14px}.example-label{font-size:16px}.canvas-controls{right:18px;bottom:18px;gap:8px}.desktop-only-control{display:inline-flex}.tool-hint{top:16px;left:16px;right:auto;max-width:calc(100% - 100px)}.mobile-sheet{display:none}.toast{top:70px}.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.overlay-layer{align-items:center}.action-sheet{max-width:460px}.dialog-overlay{padding:24px}.hero-panel{padding:16px}}@media(max-width:370px){.brand-name{font-size:17px}.mode-option{min-width:50px;padding:0 8px;font-size:12px}.sheet-quick-button{padding:0 9px}.sheet-quick-button span{display:none}.sheet-quick-button{width:42px;justify-content:center}.card-summary{font-size:14px}.parameter-row{grid-template-columns:20px 58px minmax(0,1fr)}}@media(max-height:520px)and (orientation:landscape){.topbar{min-height:calc(44px + var(--safe-top))}.mobile-sheet{height:calc(92px + var(--safe-bottom))}.mobile-sheet.is-expanded{top:calc(44px + var(--safe-top));right:0;bottom:0;left:auto;width:min(48vw,360px);height:auto;padding-bottom:0;border-radius:0;box-shadow:-8px 0 30px #0f172a24}.mobile-sheet.is-expanded .sheet-grabber{display:none}.mobile-sheet.is-expanded .sheet-peekbar{padding-top:8px}.mobile-sheet.is-expanded .sheet-content{padding-bottom:calc(12px + var(--safe-bottom))}.toast{top:calc(50px + var(--safe-top));left:12px;max-width:calc(100vw - 390px);transform:none;animation:none}.empty-state{align-items:flex-start;padding-top:12px}.empty-card{max-height:calc(100dvh - 130px);overflow-y:auto;padding:14px}.empty-card h1{font-size:18px}.example-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.example-button{min-height:48px;padding:7px 8px}.example-label{font-size:13px}.canvas-controls{bottom:calc(104px + var(--safe-bottom))}.empty-copy,.empty-footnote{display:none}}.locus-dialog{width:min(620px,100%)}.locus-scroll{display:flex;flex-direction:column;gap:14px}.locus-summary{display:flex;flex-wrap:wrap;align-items:baseline;gap:5px;padding:9px 11px;border-radius:9px;background:var(--surface-soft);color:var(--muted);font-size:12px}.locus-summary strong{color:var(--text);font-weight:700}.locus-sep{color:var(--border-strong)}.locus-k-picker{display:flex;flex-direction:column;gap:7px}.locus-k-chips{display:flex;flex-wrap:wrap;gap:6px}.locus-k-chips button{min-width:42px;min-height:36px;padding:0 9px;border:1px solid var(--border);border-radius:8px;background:var(--surface-soft);color:var(--muted);font-family:var(--font-math);font-size:13px}.locus-k-chips button.is-active{border-color:#c7d2fe;background:var(--accent-soft);color:var(--accent);font-weight:700}.locus-select{max-width:280px}.locus-result{padding:13px;border:1px solid #e0e7ff;border-radius:12px;background:#f8f9ff}.locus-result-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.locus-kind{color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.08em}.locus-point-label{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:24px;border-radius:999px;background:#e0e7ff;color:var(--accent);font-family:var(--font-math);font-size:12px;font-weight:700}.locus-equation{overflow-x:auto;color:var(--text);font-size:16px;scrollbar-width:thin}.locus-steps{display:flex;flex-direction:column;gap:9px}.locus-steps h3{margin:0;color:var(--text);font-size:14px}.locus-step{display:flex;gap:9px;padding:9px 10px;border:1px solid var(--border);border-radius:10px;background:var(--surface-soft)}.locus-step-index{display:inline-flex;flex:0 0 auto;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff;font-size:11px;font-weight:700}.locus-step-title{margin:0 0 3px;color:var(--text);font-size:12px;font-weight:700}.locus-step-formula{overflow-x:auto;color:var(--text);font-size:13px;scrollbar-width:thin}.locus-note{margin:0;color:var(--muted-2);font-size:11px;line-height:1.55}.locus-error{padding:13px;border:1px solid #fecaca;border-radius:10px;background:var(--danger-soft);color:#991b1b;font-size:13px}.locus-error p{margin:0 0 4px}.locus-error .setting-hint{margin:0;color:#b91c1c}@media(max-width:600px){.locus-dialog{max-height:88dvh}.locus-scroll{gap:12px}.locus-equation{font-size:15px}}@media(min-width:901px){.scene3d-hint,.scene3d-reset{bottom:18px}.scene3d-hint{left:18px}.scene3d-reset{right:18px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}.app-fallback{display:flex;align-items:center;justify-content:center;min-height:100dvh;padding:20px;background:var(--bg)}.app-fallback-card{width:min(520px,100%);padding:22px;border:1px solid var(--border);border-radius:18px;background:var(--surface);box-shadow:0 18px 50px #0f172a1f}.app-fallback-card h1{margin:0 0 8px;font-size:23px}.app-fallback-card p{margin:0 0 14px;color:var(--muted);font-size:13px;line-height:1.65}.app-fallback-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px}.app-fallback details{color:var(--muted);font-size:12px}.app-fallback pre{overflow:auto;max-height:180px;padding:10px;border-radius:8px;background:var(--surface-soft);white-space:pre-wrap}
