@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{font: 1.21em KaTeX_Main,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:"0.16.47"}.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>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.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;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 .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{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 .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{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.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;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.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:.8333333333em}.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:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.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:1.6666666667em}.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:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.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:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.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:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.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:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.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:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.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:.4166666667em}.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:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.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:.8333333333em}.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:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.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:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.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:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.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:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.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:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.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{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 .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{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 .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.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 .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 .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>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}:root{--color-primary: #1e293b;--color-primary-light: #334155;--color-accent: #2563eb;--color-accent-hover: #1d4ed8;--color-bg: #f8fafc;--color-card-bg: #ffffff;--color-text-main: #0f172a;--color-text-muted: #64748b;--color-border: #e2e8f0;--color-success: #16a34a;--color-success-bg: #f0fdf4;--color-error: #dc2626;--color-error-bg: #fef2f2;--color-warning: #d97706;--color-warning-bg: #fffbeb;--color-given: #059669;--color-target: #d97706;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 18px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;color:var(--color-text-main);background-color:var(--color-bg);-webkit-text-size-adjust:100%}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;min-height:100%;background-color:var(--color-bg);-webkit-tap-highlight-color:transparent}body{display:flex;flex-direction:column}#root{display:flex;flex-direction:column;min-height:100vh;width:100%}input,select,textarea{font-family:inherit;font-size:16px}.app-container{display:flex;flex-direction:column;min-height:100vh;width:100%}.app-header{background-color:#fff;border-bottom:1px solid var(--color-border);padding:.5rem 1rem;position:sticky;top:0;z-index:50;box-shadow:var(--shadow-sm);padding-left:max(1rem,env(safe-area-inset-left));padding-right:max(1rem,env(safe-area-inset-right));width:100%;max-width:100%;min-width:0}.header-inner{max-width:1200px;width:100%;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem;min-width:0}.brand{display:flex;align-items:center;gap:.6rem;-webkit-user-select:none;user-select:none;min-height:44px}.brand-icon-box{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--radius-md);background-color:#eff6ff;border:1px solid #dbeafe}.brand-title{font-size:1.15rem;font-weight:700;color:var(--color-primary);display:flex;align-items:center;gap:.4rem}.brand-badge{font-size:.7rem;background-color:#eff6ff;color:var(--color-accent);padding:.15rem .45rem;border-radius:var(--radius-sm);font-weight:600}.main-nav{display:flex;gap:.35rem;align-items:center;flex-wrap:wrap}.nav-btn{display:inline-flex;align-items:center;gap:.45rem;padding:.45rem .75rem;font-size:.85rem;font-weight:600;border-radius:var(--radius-md);border:1px solid transparent;background:transparent;color:var(--color-text-muted);cursor:pointer;white-space:nowrap;transition:all .15s ease;min-height:44px;touch-action:manipulation}.nav-btn:hover{background-color:#f1f5f9;color:var(--color-text-main)}.nav-btn.active{background-color:#e0e7ff;color:var(--color-accent);border-color:#c7d2fe}.nav-btn-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0}@media(min-width:768px){.desktop-only{display:block!important}.desktop-flex-only{display:flex!important}.mobile-only,.mobile-sheet-overlay{display:none!important}}@media(max-width:767px){.header-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:.5rem}.main-nav,.desktop-only,.desktop-flex-only{display:none!important}.mobile-only{display:flex!important}.app-main{padding-bottom:calc(76px + env(safe-area-inset-bottom,16px))!important}.app-footer{display:none!important}}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:calc(58px + env(safe-area-inset-bottom,10px));background:#fffffff5;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid var(--color-border);z-index:100;display:flex;align-items:flex-start;justify-content:space-around;padding:5px 4px calc(5px + env(safe-area-inset-bottom,10px)) 4px;box-shadow:0 -2px 10px #0000000d}.bottom-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;flex:1;height:48px;padding:2px 0;background:transparent;border:none;color:var(--color-text-muted);font-size:.68rem;font-weight:600;cursor:pointer;touch-action:manipulation;transition:color .15s ease;-webkit-user-select:none;user-select:none}.bottom-nav-item:active{opacity:.7}.bottom-nav-item.active{color:var(--color-accent)}.mobile-sheet-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:150;display:flex;flex-direction:column;justify-content:flex-end;animation:fadeInSheet .18s ease-out}.mobile-sheet-content{background:#fff;border-top-left-radius:20px;border-top-right-radius:20px;padding:1.25rem 1.25rem calc(1.5rem + env(safe-area-inset-bottom,16px)) 1.25rem;box-shadow:0 -8px 24px #00000026;max-width:500px;width:100%;margin:0 auto;animation:slideUpSheet .22s cubic-bezier(.16,1,.3,1)}.mobile-sheet-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem;padding-bottom:.75rem;border-bottom:1px solid var(--color-border)}.mobile-sheet-header h3{font-size:1.05rem;font-weight:700;color:var(--color-primary)}.mobile-sheet-close-btn{background:#f1f5f9;border:none;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.9rem;color:var(--color-text-muted);cursor:pointer}.mobile-sheet-options{display:flex;flex-direction:column;gap:.6rem}.mobile-sheet-item{display:flex;align-items:center;gap:.9rem;padding:.85rem 1rem;border-radius:var(--radius-lg);border:1px solid var(--color-border);background:#f8fafc;color:var(--color-text-main);text-align:left;cursor:pointer;min-height:54px;transition:all .15s ease;width:100%}.mobile-sheet-item:hover,.mobile-sheet-item:active{background:#eff6ff;border-color:#bfdbfe}.mobile-sheet-item.active{background:#e0e7ff;border-color:#a5b4fc}.mobile-sheet-item-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-md);background:#fff;color:var(--color-accent);box-shadow:var(--shadow-sm);flex-shrink:0}.mobile-sheet-item-text{display:flex;flex-direction:column}.mobile-sheet-item-text .title{font-size:.95rem;font-weight:700;color:var(--color-primary)}.mobile-sheet-item-text .desc{font-size:.78rem;color:var(--color-text-muted)}@keyframes fadeInSheet{0%{opacity:0}to{opacity:1}}@keyframes slideUpSheet{0%{transform:translateY(100%)}to{transform:translateY(0)}}.card,.card-body,.grid,.grid-2col,.grid-2col>div,.flex,.app-main,.lesson-view,.method-selector,.guided-trainer,.free-trainer,.exam-view,.mistake-lab,.katex-render,.lesson-selector{min-width:0;max-width:100%}.katex-display{max-width:100%;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;padding:.35rem 0}.lesson-formula-banner{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.lesson-selector{display:flex;gap:.5rem;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:.5rem;margin-bottom:1rem;scrollbar-width:thin}.app-main{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:1rem;padding-left:max(1rem,env(safe-area-inset-left));padding-right:max(1rem,env(safe-area-inset-right))}.app-footer{border-top:1px solid var(--color-border);background:#fff;padding:1rem;padding-bottom:max(1rem,env(safe-area-inset-bottom));padding-left:max(1rem,env(safe-area-inset-left));padding-right:max(1rem,env(safe-area-inset-right))}.footer-inner{max-width:1200px;margin:0 auto}.card{background-color:var(--color-card-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:1.25rem;margin-bottom:1.25rem}.card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem;gap:.5rem}.card-title{font-size:1.15rem;font-weight:700;color:var(--color-primary)}.card-subtitle{font-size:.85rem;color:var(--color-text-muted);margin-top:.2rem}.card-badge{font-size:.75rem;font-weight:600;padding:.25rem .6rem;border-radius:var(--radius-full);white-space:nowrap}.badge-blue{background-color:#eff6ff;color:#2563eb}.badge-green{background-color:#f0fdf4;color:#16a34a}.badge-amber{background-color:#fffbeb;color:#d97706}.badge-red{background-color:#fef2f2;color:#dc2626}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:600;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all .15s ease;min-height:44px;padding:.5rem 1rem;font-size:.95rem;touch-action:manipulation;-webkit-user-select:none;user-select:none}.btn-sm{padding:.35rem .75rem;font-size:.85rem;min-height:44px}.btn-md{padding:.6rem 1.25rem;font-size:.95rem;min-height:44px}.btn-lg{padding:.85rem 1.75rem;font-size:1.1rem;min-height:48px}.btn-primary{background-color:var(--color-accent);color:#fff}.btn-primary:hover{background-color:var(--color-accent-hover)}.btn-secondary{background-color:#f1f5f9;color:var(--color-primary)}.btn-secondary:hover{background-color:#e2e8f0}.btn-outline{background-color:transparent;border-color:var(--color-border);color:var(--color-primary)}.btn-outline:hover{background-color:#f8fafc;border-color:#cbd5e1}.btn-success{background-color:var(--color-success);color:#fff}.btn-danger{background-color:var(--color-error);color:#fff}.input-number-container{display:inline-flex;align-items:center;border:2px solid var(--color-border);border-radius:var(--radius-md);background:#fff;padding:.25rem .5rem;min-height:44px;transition:border-color .15s ease}.input-number-container:focus-within{border-color:var(--color-accent);outline:none}.input-number-container.has-error{border-color:var(--color-error)}.input-number-field{border:none;outline:none;font-size:1.15rem;font-weight:600;padding:.35rem .5rem;width:140px;max-width:100%;color:var(--color-text-main);background:transparent}.input-number-unit{font-size:.95rem;font-weight:600;color:var(--color-text-muted);padding:0 .5rem;white-space:nowrap}.input-select{border:1px solid var(--color-border);border-radius:var(--radius-md);padding:.5rem .75rem;font-size:.95rem;font-weight:600;background-color:#fff;color:var(--color-text-main);min-height:44px}.feedback-banner{display:flex;gap:.75rem;padding:1rem;border-radius:var(--radius-md);margin-top:1rem;border-left:5px solid}.feedback-success{background-color:var(--color-success-bg);border-left-color:var(--color-success)}.feedback-error{background-color:var(--color-error-bg);border-left-color:var(--color-error)}.feedback-icon{font-size:1.5rem;font-weight:700;line-height:1}.feedback-success .feedback-icon{color:var(--color-success)}.feedback-error .feedback-icon{color:var(--color-error)}.feedback-title{font-size:1rem;font-weight:700;margin-bottom:.25rem}.feedback-message{font-size:.9rem;color:#334155}.feedback-advice{margin-top:.5rem;font-size:.85rem;background:#ffffffb3;padding:.5rem;border-radius:var(--radius-sm)}.feedback-actions{display:flex;gap:.5rem;margin-top:.75rem;flex-wrap:wrap}.triangle-svg-wrapper{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:.5rem;display:flex;justify-content:center;align-items:center;overflow:hidden;width:100%}.triangle-svg{max-width:100%;height:auto;display:block}.vertex-label{font-family:inherit;font-size:15px;font-weight:700;fill:#0f172a}.element-label{font-family:inherit;font-size:16px;font-weight:600;fill:#475569}.angle-label{font-family:inherit;font-size:15px;font-weight:600;fill:#475569}.given-label{fill:var(--color-given)!important;font-weight:800}.target-label{fill:var(--color-target)!important;font-weight:900}.step-stepper{display:flex;justify-content:space-between;margin-bottom:1.25rem;position:relative;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:.5rem;scrollbar-width:none}.step-node{display:flex;flex-direction:column;align-items:center;gap:.25rem;min-width:50px}.step-circle{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;background-color:#f1f5f9;color:var(--color-text-muted)}.step-circle.active{background-color:var(--color-accent);color:#fff}.step-circle.completed{background-color:var(--color-success);color:#fff}.step-label{font-size:.7rem;color:var(--color-text-muted);text-align:center;white-space:nowrap}@media(max-width:640px){.step-node{min-width:36px}.step-label{display:none}}.option-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.75rem;margin:1rem 0}.option-card{padding:.85rem;border:2px solid var(--color-border);border-radius:var(--radius-md);background:#fff;cursor:pointer;text-align:left;transition:all .15s ease;min-height:48px;touch-action:manipulation}.option-card:hover{border-color:#93c5fd;background-color:#f8fafc}.option-card.selected{border-color:var(--color-accent);background-color:#eff6ff}.grid-2col{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}@media(max-width:768px){.grid-2col{grid-template-columns:1fr}}.flex{display:flex}.inline-flex{display:inline-flex}.flex-col{flex-direction:column}.flex-row{flex-direction:row}.flex-wrap{flex-wrap:wrap}.flex-nowrap{flex-wrap:nowrap}.flex-1{flex:1 1 0%}.items-center{align-items:center}.items-start{align-items:flex-start}.items-end{align-items:flex-end}.items-stretch{align-items:stretch}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.justify-start{justify-content:flex-start}.justify-end{justify-content:flex-end}.grid{display:grid}.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}@media(min-width:640px){.sm\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.sm\:grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(min-width:1024px){.lg\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.lg\:grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}}.gap-1{gap:.25rem}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}.gap-6{gap:1.5rem}.space-y-1>*+*{margin-top:.25rem}.space-y-2>*+*{margin-top:.5rem}.space-y-3>*+*{margin-top:.75rem}.space-y-4>*+*{margin-top:1rem}.p-1{padding:.25rem}.p-2{padding:.5rem}.p-3{padding:.75rem}.p-4{padding:1rem}.p-5{padding:1.25rem}.p-6{padding:1.5rem}.p-8{padding:2rem}.px-1{padding-left:.25rem;padding-right:.25rem}.px-2{padding-left:.5rem;padding-right:.5rem}.px-3{padding-left:.75rem;padding-right:.75rem}.px-4{padding-left:1rem;padding-right:1rem}.px-6{padding-left:1.5rem;padding-right:1.5rem}.py-1{padding-top:.25rem;padding-bottom:.25rem}.py-2{padding-top:.5rem;padding-bottom:.5rem}.py-3{padding-top:.75rem;padding-bottom:.75rem}.py-4{padding-top:1rem;padding-bottom:1rem}.pt-1{padding-top:.25rem}.pt-2{padding-top:.5rem}.pt-3{padding-top:.75rem}.pt-4{padding-top:1rem}.pb-1{padding-bottom:.25rem}.pb-2{padding-bottom:.5rem}.pb-3{padding-bottom:.75rem}.pb-4{padding-bottom:1rem}.pl-5{padding-left:1.25rem}.m-1{margin:.25rem}.m-2{margin:.5rem}.m-3{margin:.75rem}.m-4{margin:1rem}.mb-1{margin-bottom:.25rem}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:.75rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.mt-3{margin-top:.75rem}.mt-4{margin-top:1rem}.mt-6{margin-top:1.5rem}.text-xs{font-size:.75rem;line-height:1rem}.text-sm{font-size:.875rem;line-height:1.25rem}.text-base{font-size:1rem;line-height:1.5rem}.text-lg{font-size:1.125rem;line-height:1.75rem}.text-xl{font-size:1.25rem;line-height:1.75rem}.text-2xl{font-size:1.5rem;line-height:2rem}.text-3xl{font-size:1.875rem;line-height:2.25rem}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.font-extrabold{font-weight:800}.italic{font-style:italic}.uppercase{text-transform:uppercase}.tracking-wide{letter-spacing:.05em}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.leading-tight{line-height:1.25}.leading-relaxed{line-height:1.625}.text-white{color:#fff}.text-muted{color:var(--color-text-muted)}.text-slate-300{color:#cbd5e1}.text-slate-400{color:#94a3b8}.text-slate-600{color:#475569}.text-slate-700{color:#334155}.text-slate-800{color:#1e293b}.text-slate-900{color:#0f172a}.text-blue-600{color:#2563eb}.text-blue-700{color:#1d4ed8}.text-blue-800{color:#1e40af}.text-indigo-400{color:#818cf8}.text-indigo-600{color:#4f46e5}.text-indigo-700{color:#4338ca}.text-indigo-900{color:#312e81}.text-emerald-400{color:#34d399}.text-emerald-700{color:#047857}.text-emerald-800{color:#065f46}.text-emerald-900{color:#064e3b}.text-amber-400{color:#fbbf24}.text-amber-800{color:#92400e}.text-amber-900{color:#78350f}.text-red-700{color:#b91c1c}.text-red-800{color:#991b1b}.text-green-700{color:#15803d}.text-green-800{color:#166534}.bg-white{background-color:#fff}.bg-slate-50{background-color:#f8fafc}.bg-slate-100{background-color:#f1f5f9}.bg-slate-900{background-color:#0f172a}.bg-blue-50{background-color:#eff6ff}.bg-blue-100{background-color:#dbeafe}.bg-indigo-50{background-color:#eef2ff}.bg-indigo-100{background-color:#e0e7ff}.bg-indigo-600{background-color:#4f46e5}.bg-indigo-950{background-color:#1e1b4b}.bg-emerald-50{background-color:#ecfdf5}.bg-emerald-100{background-color:#d1fae5}.bg-green-100{background-color:#dcfce7}.bg-amber-50{background-color:#fffbeb}.bg-amber-100{background-color:#fef3c7}.bg-red-50{background-color:#fef2f2}.bg-red-100{background-color:#fee2e2}.bg-gradient-to-r{background-size:cover}.from-slate-900.to-indigo-950{background:linear-gradient(135deg,#0f172a,#1e1b4b)}.from-indigo-50.to-blue-50{background:linear-gradient(135deg,#eef2ff,#eff6ff)}.border{border:1px solid var(--color-border)}.border-t{border-top:1px solid var(--color-border)}.border-b{border-bottom:1px solid var(--color-border)}.border-l{border-left:1px solid var(--color-border)}.border-r{border-right:1px solid var(--color-border)}.border-slate-200{border-color:#e2e8f0}.border-slate-700{border-color:#334155}.border-slate-700\/60{border-color:#33415599}.border-blue-200{border-color:#bfdbfe}.border-amber-200{border-color:#fde68a}.border-amber-300{border-color:#fcd34d}.border-emerald-200{border-color:#a7f3d0}.border-indigo-200{border-color:#c7d2fe}.border-indigo-500{border-color:#6366f1}.border-red-500{border-color:#ef4444}.rounded{border-radius:var(--radius-sm)}.rounded-md{border-radius:var(--radius-md)}.rounded-lg{border-radius:var(--radius-lg)}.rounded-xl{border-radius:var(--radius-xl)}.rounded-2xl{border-radius:20px}.rounded-full{border-radius:var(--radius-full)}.shadow-sm{box-shadow:var(--shadow-sm)}.shadow-md{box-shadow:var(--shadow-md)}.shadow-lg{box-shadow:var(--shadow-lg)}.w-full{width:100%}.h-full{height:100%}.h-2\.5{height:10px}.max-w-md{max-width:28rem}.max-w-lg{max-width:32rem}.max-w-xl{max-width:36rem}.block{display:block}.inline-block{display:inline-block}.hidden{display:none}.overflow-hidden{overflow:hidden}.overflow-x-auto{overflow-x:auto;-webkit-overflow-scrolling:touch}.cursor-pointer{cursor:pointer}.cursor-not-allowed{cursor:not-allowed}.select-none{-webkit-user-select:none;user-select:none}.transition{transition-property:color,background-color,border-color,box-shadow,transform;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.transition-all{transition-property:all;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.duration-300{transition-duration:.3s}.list-disc{list-style-type:disc}.list-decimal{list-style-type:decimal}.max-w-2xl{max-width:42rem}.mx-auto{margin-left:auto;margin-right:auto}.ml-auto{margin-left:auto}.text-6xl{font-size:3.75rem;line-height:1}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}.border-green-200{border-color:#bbf7d0}.border-green-300{border-color:#86efac}.border-red-200{border-color:#fecaca}.border-red-300{border-color:#fca5a5}.border-purple-200{border-color:#e9d5ff}.bg-green-50{background-color:#f0fdf4}.bg-purple-50{background-color:#faf5ff}.text-accent{color:var(--color-accent)}.text-green-600{color:#16a34a}.text-green-900{color:#14532d}.text-red-600{color:#dc2626}.text-amber-600{color:#d97706}.text-blue-950{color:#172554}.text-indigo-950{color:#1e1b4b}.text-purple-950{color:#3b0764}.hover\:border-indigo-500:hover{border-color:#6366f1}.hover\:border-red-500:hover{border-color:#ef4444}.hover\:border-amber-500:hover{border-color:#f59e0b}.hover\:border-blue-500:hover{border-color:#3b82f6}.hover\:shadow-md:hover{box-shadow:var(--shadow-md)}.exam-status-bar{display:flex;flex-direction:column;gap:.75rem;background-color:#fff;border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:1rem;box-shadow:var(--shadow-sm)}.exam-problem-switcher{display:flex;gap:.5rem;overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%;padding-bottom:4px}.exam-problem-switcher .btn{white-space:nowrap;flex-shrink:0}.exam-timer-actions{display:flex;justify-content:space-between;align-items:center;gap:1rem;width:100%}@media(min-width:768px){.exam-status-bar{flex-direction:row;justify-content:space-between;align-items:center}.exam-timer-actions{width:auto;justify-content:flex-end}}.formula-sheet-view{max-width:1100px;margin:0 auto;padding:1.25rem 1rem 3rem;display:flex;flex-direction:column;gap:1.5rem}.formula-header-hero{background:linear-gradient(135deg,#0f172a,#1e1b4b 60%,#1e293b);color:#fff;padding:1.75rem 1.5rem;border-radius:var(--radius-xl);box-shadow:var(--shadow-md);border:1px solid rgba(255,255,255,.1)}.formula-hero-badge{display:inline-flex;align-items:center;gap:.5rem;background:#6366f140;border:1px solid rgba(165,180,252,.4);color:#c7d2fe;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:.3rem .75rem;border-radius:var(--radius-full);margin-bottom:.75rem}.formula-hero-title{font-size:1.65rem;font-weight:800;letter-spacing:-.02em;margin-bottom:.5rem;line-height:1.25}.formula-hero-desc{font-size:.95rem;color:#cbd5e1;max-width:760px;line-height:1.55}.formula-decision-map-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:1.5rem;box-shadow:var(--shadow-sm)}.decision-map-header{margin-bottom:1.25rem}.decision-map-icon-wrap{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-md);background:linear-gradient(135deg,#2563eb,#1d4ed8);flex-shrink:0}.decision-map-title{font-size:1.2rem;font-weight:800;color:#0f172a}.decision-tree-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:1rem}.tree-branch-box{border-radius:var(--radius-lg);padding:1.15rem;border:1px solid var(--color-border);background:#f8fafc}.tree-branch-box.right-branch{border-left:4px solid #2563eb;background:#f0f7ff}.tree-branch-box.oblique-branch{border-left:4px solid #9333ea;background:#faf5ff}.tree-branch-header{margin-bottom:.75rem}.tree-branch-tag{display:inline-block;font-size:.8rem;font-weight:700;padding:.25rem .65rem;border-radius:var(--radius-full)}.tree-branch-list{list-style:none;display:flex;flex-direction:column;gap:.55rem;font-size:.85rem}.tree-branch-list li{display:flex;flex-direction:column;gap:.15rem;line-height:1.4}.tree-branch-list li strong{color:#1e293b;font-weight:600}.tree-branch-list li span{color:#475569}.decision-scenario-chips{display:flex;flex-wrap:wrap;gap:.5rem}.decision-scenario-chip{display:inline-flex;align-items:center;gap:.45rem;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-full);padding:.45rem .85rem;font-size:.82rem;font-weight:600;color:#334155;cursor:pointer;transition:all .15s ease;min-height:38px;touch-action:manipulation;text-align:left}.decision-scenario-chip:hover{background:#f1f5f9;border-color:#cbd5e1}.decision-scenario-chip.active{background:#eff6ff;border-color:#2563eb;color:#1d4ed8;box-shadow:0 0 0 2px #2563eb26}.scenario-chip-radio{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;font-size:.75rem;font-weight:700;background:#e2e8f0;color:#475569;flex-shrink:0}.decision-scenario-chip.active .scenario-chip-radio{background:#2563eb;color:#fff}.decision-result-callout{background:linear-gradient(135deg,#fff,#f8fafc);border:2px solid #3b82f6;border-radius:var(--radius-lg);padding:1.15rem;box-shadow:var(--shadow-sm)}.result-callout-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem;flex-wrap:wrap}.result-type-badge{font-size:.75rem;font-weight:700;background:#e0f2fe;color:#0369a1;padding:.2rem .6rem;border-radius:var(--radius-sm)}.result-method-badge{font-size:.85rem;font-weight:800;background:#2563eb;color:#fff;padding:.25rem .75rem;border-radius:var(--radius-full)}.result-callout-body{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;flex-wrap:wrap}.result-info-col{flex:1;min-width:240px}.result-formula-display{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:.6rem 1rem;margin:.5rem 0;display:inline-block;box-shadow:inset 0 1px 2px #00000008}.result-tip-text{font-size:.82rem;color:#475569;line-height:1.45;margin-top:.4rem}.jump-to-formula-btn{display:inline-flex;align-items:center;gap:.45rem;background:#1e293b;color:#fff;border:none;border-radius:var(--radius-md);padding:.65rem 1.15rem;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .15s ease;min-height:44px}.jump-to-formula-btn:hover{background:#0f172a;transform:translateY(-1px)}.formula-alerts-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:1rem}.alert-card{border-radius:var(--radius-lg);padding:1.15rem;border:1px solid var(--color-border);display:flex;flex-direction:column;gap:.5rem}.alert-merke{background:#ecfdf5;border-left:5px solid #059669}.alert-achtung{background:#fff1f2;border-left:5px solid #e11d48}.alert-badge{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;padding:.2rem .6rem;border-radius:var(--radius-sm);display:inline-block}.badge-merke{background:#059669;color:#fff}.badge-achtung{background:#e11d48;color:#fff}.alert-title{font-size:1rem;font-weight:800;color:#0f172a;line-height:1.3}.alert-text{font-size:.86rem;color:#334155;line-height:1.5}.alert-formula-pill{display:flex;align-items:center;flex-wrap:wrap;gap:.5rem;background:#ffffffd9;padding:.4rem .75rem;border-radius:var(--radius-sm);border:1px solid rgba(5,150,105,.2);margin-top:.25rem;font-size:.85rem}.formula-quickref-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:1.5rem;box-shadow:var(--shadow-sm)}.quickref-header{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:.75rem;margin-bottom:1.25rem}.quickref-title{font-size:1.2rem;font-weight:800;color:#0f172a}.quickref-filter-tabs{display:flex;flex-wrap:wrap;gap:.35rem;background:#f1f5f9;padding:.25rem;border-radius:var(--radius-md)}.filter-tab{background:transparent;border:none;border-radius:var(--radius-sm);padding:.35rem .75rem;font-size:.8rem;font-weight:600;color:#64748b;cursor:pointer;transition:all .15s ease;min-height:34px}.filter-tab.active{background:#fff;color:#0f172a;box-shadow:var(--shadow-sm)}.quickref-table-wrapper{overflow-x:auto;border-radius:var(--radius-md);border:1px solid var(--color-border)}.quickref-table{width:100%;border-collapse:collapse;text-align:left;font-size:.88rem}.quickref-table th{background:#f8fafc;color:#475569;font-weight:700;padding:.75rem 1rem;border-bottom:2px solid var(--color-border);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}.quickref-table td{padding:.75rem 1rem;border-bottom:1px solid var(--color-border);vertical-align:middle}.quickref-row:hover{background-color:#f8fafc}.quickref-method-link{font-weight:700;color:var(--color-accent)}.quickref-formula-cell{background:#fcfcfd}.quickref-mobile-cards{display:flex;flex-direction:column;gap:.75rem}.quickref-mobile-card{background:#f8fafc;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:.85rem;cursor:pointer;transition:all .15s ease}.quickref-mobile-card:active{background:#f1f5f9}.quickref-card-row{display:flex;justify-content:space-between;align-items:baseline;font-size:.82rem;padding:.2rem 0;gap:.5rem}.qcr-label{color:#64748b;font-weight:600;flex-shrink:0}.qcr-val{color:#0f172a;text-align:right}.quickref-card-formula{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:.45rem .65rem;text-align:center}.formula-family-controls-bar{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:.85rem 1.15rem}.family-filter-pills{display:flex;align-items:center;gap:.35rem;flex-wrap:wrap}.filter-pill{background:transparent;border:1px solid transparent;border-radius:var(--radius-full);padding:.35rem .75rem;font-size:.82rem;font-weight:600;color:#475569;cursor:pointer;transition:all .15s ease;min-height:36px}.filter-pill:hover{background:#f1f5f9}.filter-pill.active{background:#0f172a;color:#fff}.expand-all-btn{background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:.35rem .65rem;font-size:.78rem;font-weight:600;color:#64748b;cursor:pointer}.expand-all-btn:hover{background:#f1f5f9;color:#0f172a}.formula-families-container{display:flex;flex-direction:column;gap:1.5rem}.formula-family-card{background:#fff;border:2px solid var(--color-border);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-sm);transition:border-color .15s ease,box-shadow .15s ease}.formula-family-card:hover{box-shadow:var(--shadow-md)}.theme-pythagoras{border-color:#6366f1}.theme-sinus{border-color:#0284c7}.theme-kosinus{border-color:#059669}.theme-tangens{border-color:#d97706}.theme-sinussatz{border-color:#e11d48}.theme-kosinussatz{border-color:#9333ea}.family-card-header{padding:1.15rem 1.5rem;display:flex;justify-content:space-between;align-items:center;cursor:pointer;-webkit-user-select:none;user-select:none;background:#fafafa;border-bottom:1px solid var(--color-border);min-height:60px}.family-header-left{display:flex;flex-direction:column;gap:.2rem}.family-badge{display:inline-block;align-self:flex-start;font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;padding:.15rem .55rem;border-radius:var(--radius-sm)}.badge-pythagoras{background:#e0e7ff;color:#4338ca}.badge-sinus{background:#e0f2fe;color:#0369a1}.badge-kosinus{background:#d1fae5;color:#047857}.badge-tangens{background:#fef3c7;color:#b45309}.badge-sinussatz{background:#ffe4e6;color:#be123c}.badge-kosinussatz{background:#f3e8ff;color:#7e22ce}.family-title{font-size:1.25rem;font-weight:800;color:#0f172a}.family-subtitle{font-size:.82rem;color:#64748b}.family-accordion-toggle{background:transparent;border:none;color:#64748b;cursor:pointer;display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;transition:transform .2s ease,background .15s ease}.family-accordion-toggle.expanded{transform:rotate(180deg)}.family-accordion-toggle:hover{background:#e2e8f0}.family-card-body{padding:1.5rem}.family-grid-duo{display:grid;grid-template-columns:1fr 270px;gap:1.5rem;align-items:start}.family-formula-column{display:flex;flex-direction:column}.formula-group-box{background:#f8fafc;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:.9rem 1.1rem}.formula-group-title{font-size:.88rem;font-weight:700;color:#1e293b;margin-bottom:.4rem}.formula-subvariations{font-size:.78rem;color:#64748b;border-top:1px dashed var(--color-border);padding-top:.4rem;margin-top:.4rem}.formula-diagram-column{display:flex;flex-direction:column}.formula-diagram-box{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:.75rem;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:.5rem}.formula-diagram-svg{display:block;max-width:100%;height:auto}.diagram-caption{display:flex;flex-wrap:wrap;gap:.35rem;padding-top:.4rem;border-top:1px solid #f1f5f9}.diagram-pill{font-size:.7rem;padding:.15rem .45rem;border-radius:var(--radius-sm)}.family-details-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}.detail-box{border-radius:var(--radius-md);padding:1rem;border:1px solid var(--color-border);display:flex;flex-direction:column}.detail-box-title{font-size:.88rem;font-weight:800;margin-bottom:.5rem;display:flex;align-items:center}.box-when{background:#f8fafc}.box-example{background:#f0fdf4;border-color:#bbf7d0}.example-calc-box{background:#fff;border:1px solid #dcfce7;border-radius:var(--radius-sm);padding:.5rem;margin-top:auto}.box-pitfall{background:#fff1f2;border-color:#fecdd3}.formula-exam-rules-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:1.5rem;box-shadow:var(--shadow-sm)}.exam-rules-title{font-size:1.05rem;font-weight:800;color:#0f172a}.rule-box{background:#f8fafc;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:.85rem;display:flex;flex-direction:column;gap:.3rem}.rule-badge{font-size:.72rem;font-weight:700;text-transform:uppercase;background:#e2e8f0;color:#334155;padding:.15rem .5rem;border-radius:var(--radius-sm);display:inline-block;align-self:flex-start}.formula-sheet-view,.formula-family-card,.family-card-body,.family-grid-duo,.family-formula-column,.family-diagram-column,.family-details-grid,.detail-box,.formula-decision-map-card,.tree-branch-box,.decision-result-callout,.formula-alerts-strip,.alert-card,.formula-quickref-card{min-width:0;max-width:100%}.formula-group-box,.example-calc-box,.result-formula-display,.alert-formula-pill{min-width:0;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.detail-box p,.formula-group-box p,.alert-card p,.tree-branch-box p{word-break:break-word;overflow-wrap:break-word;max-width:100%}@media(max-width:767px){.formula-sheet-view{padding:.75rem .5rem 3.5rem;gap:1rem}.formula-header-hero{padding:1.25rem 1rem;border-radius:var(--radius-lg)}.formula-hero-title{font-size:1.35rem}.formula-hero-desc{font-size:.85rem}.formula-decision-map-card,.formula-quickref-card,.formula-exam-rules-card{padding:1rem;border-radius:var(--radius-lg)}.family-card-body{padding:1rem}.family-grid-duo{grid-template-columns:1fr;gap:1rem}.formula-diagram-column{order:-1}.formula-diagram-box{max-width:100%}.family-card-header{padding:.9rem 1rem}.family-title{font-size:1.05rem}.family-details-grid{grid-template-columns:1fr!important;gap:.75rem}.detail-box{width:100%;min-width:0}.decision-scenario-chips{gap:.35rem}.decision-scenario-chip{width:100%;border-radius:var(--radius-md)}.result-callout-body{flex-direction:column}.jump-to-formula-btn{width:100%;justify-content:center}}
