@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{--navy: #0b1f3a;--navy-2: #14305a;--gold: #c9a24b;--gold-soft: #f3e7c9;--cream: #faf7f0;--ink: #1b2430;--muted: #6b7686;--line: #e4dfd3;--danger: #b3261e;--radius: 14px;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--cream);font-size:16px;line-height:1.55;-webkit-text-size-adjust:100%}a{color:var(--navy-2)}h1,h2,h3{line-height:1.25;margin:0 0 .4em;color:var(--navy)}p{margin:0 0 .7em}.muted{color:var(--muted)}.small{font-size:.85rem}.pad{padding:0 .5rem}.error{color:var(--danger)}.error.banner{background:#fdecea;border-radius:10px;padding:.6rem .8rem}.info{color:#1e6b3a}input,select,textarea{font:inherit;color:inherit;width:100%;padding:.65rem .75rem;border:1px solid var(--line);border-radius:10px;background:#fff;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-soft)}label{display:grid;gap:.3rem;font-size:.9rem;color:var(--muted)}.btn{font:inherit;font-weight:600;border:1px solid var(--line);background:#fff;color:var(--navy);padding:.6rem 1rem;border-radius:10px;cursor:pointer;text-decoration:none;text-align:center;display:inline-block}.btn:hover{border-color:var(--gold)}.btn:disabled{opacity:.5;cursor:default}.btn.primary{background:var(--navy);color:#fff;border-color:var(--navy)}.btn.primary:hover:not(:disabled){background:var(--navy-2)}.btn.ghost{background:transparent;color:inherit;border-color:#ffffff40}.btn.link{border:0;background:none;color:var(--muted);font-weight:400;text-decoration:underline;padding:.3rem}.btn.full{width:100%}.btn.small{padding:.3rem .6rem;font-size:.8rem}.btn.danger{color:var(--danger)}.icon-btn{border:0;background:none;font-size:1.3rem;cursor:pointer;padding:.4rem;border-radius:8px;color:inherit;line-height:1}.icon-btn:hover{background:#0000000f}.center-screen{min-height:100%;display:grid;place-items:center;padding:1rem}.login-bg{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 100%)}.auth-card{width:min(100%,400px);background:#fff;border-radius:20px;padding:2rem 1.5rem;display:grid;gap:1rem;box-shadow:0 20px 60px #00000040;text-align:center}.auth-card label{text-align:left}.logo{width:72px;height:72px;border-radius:18px;margin:0 auto}.logo.small{width:32px;height:32px;border-radius:8px;margin:0}.code-input{font-size:1.6rem;letter-spacing:.4em;text-align:center}.chat-layout{display:flex;height:100dvh}.sidebar{width:290px;flex:none;background:var(--navy);color:#fff;display:flex;flex-direction:column;gap:.8rem;padding:1rem}.sidebar-head{display:flex;align-items:center;gap:.6rem;font-size:1.1rem}.sidebar .btn.primary{background:var(--gold);border-color:var(--gold);color:var(--navy)}.conv-list{flex:1;overflow-y:auto;display:grid;gap:2px;align-content:start}.conv{display:flex;align-items:center;border-radius:10px}.conv:hover,.conv.active{background:#ffffff1a}.conv a{flex:1;min-width:0;padding:.5rem .6rem;color:#fff;text-decoration:none;display:grid}.conv-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:.92rem}.conv-meta{font-size:.75rem;color:var(--gold)}.conv .icon-btn{opacity:0;color:#fff}.conv:hover .icon-btn{opacity:.7}.sidebar-foot{display:grid;gap:.4rem}.sidebar-foot .btn.link{color:#fff9;font-size:.85rem}.scrim{display:none}.chat-main{flex:1;min-width:0;display:flex;flex-direction:column}.chat-head{display:flex;align-items:center;gap:.6rem;padding:.7rem 1rem;border-bottom:1px solid var(--line);background:#fff}.chat-title{font-weight:700;color:var(--navy);flex:1}.quota{font-size:.8rem;background:var(--gold-soft);color:var(--navy);padding:.2rem .6rem;border-radius:99px}.quota.low{background:#fdecea;color:var(--danger)}.menu{display:none}.messages{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:1rem}.messages>*{width:min(100%,820px);margin-inline:auto}.welcome{text-align:center;margin-block:auto}.chips{display:flex;flex-wrap:wrap;gap:.4rem;justify-content:center}.chip{font:inherit;font-size:.88rem;border:1px solid var(--line);background:#fff;border-radius:99px;padding:.4rem .85rem;cursor:pointer;color:var(--ink)}.chip.on{background:var(--navy);border-color:var(--navy);color:#fff}.chip:disabled{cursor:default;opacity:.6}.msg{border-radius:var(--radius);padding:.8rem 1rem;overflow-wrap:anywhere}.msg.user{background:var(--navy);color:#fff;align-self:flex-end;width:fit-content;max-width:min(88%,640px);margin-right:max(0px,calc((100% - 820px)/2));margin-left:auto}.msg.user p{margin:0;white-space:pre-wrap}.msg.assistant{background:#fff;border:1px solid var(--line)}.mode-tag{display:inline-block;font-size:.72rem;background:var(--gold);color:var(--navy);border-radius:99px;padding:.05rem .55rem;margin-bottom:.3rem;font-weight:600}.msg-images{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:.5rem}.msg-images img{max-width:180px;max-height:180px;border-radius:10px;display:block}.thinking{color:var(--muted);margin:0}.dots:after{content:"…";animation:blink 1.2s infinite}@keyframes blink{50%{opacity:.2}}.markdown>:last-child{margin-bottom:0}.markdown h1,.markdown h2,.markdown h3{font-size:1.05rem;margin-top:1.1em}.markdown h1:first-child,.markdown h2:first-child,.markdown h3:first-child{margin-top:0}.markdown pre{background:#0f172a;color:#e2e8f0;padding:.8rem;border-radius:10px;overflow-x:auto;font-size:.85rem}.markdown code{font-family:ui-monospace,Consolas,monospace}.markdown :not(pre)>code{background:var(--gold-soft);padding:.1em .35em;border-radius:5px;font-size:.9em}.markdown .katex-display{overflow-x:auto;overflow-y:hidden;padding:.3rem 0}.markdown table{border-collapse:collapse;display:block;overflow-x:auto}.markdown th,.markdown td{border:1px solid var(--line);padding:.3rem .6rem}.markdown blockquote{margin:0 0 .7em;padding-left:.9rem;border-left:3px solid var(--gold);color:var(--muted)}.markdown ul,.markdown ol{padding-left:1.3rem}.composer{border-top:1px solid var(--line);background:#fff;padding:.6rem 1rem calc(.6rem + env(safe-area-inset-bottom));display:grid;gap:.5rem}.composer>*{width:min(100%,820px);margin-inline:auto}.chips.modes{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto}.chips.modes .chip{white-space:nowrap}.composer-row{display:flex;align-items:flex-end;gap:.3rem}.composer-row textarea{resize:none;min-height:44px;max-height:160px;field-sizing:content}.attach{font-size:1.4rem}.send{flex:none}.previews{display:flex;gap:.5rem}.preview{position:relative}.preview img{width:64px;height:64px;object-fit:cover;border-radius:10px;display:block}.preview button{position:absolute;top:-6px;right:-6px;width:22px;height:22px;border-radius:50%;border:0;background:var(--danger);color:#fff;cursor:pointer;line-height:1}@media(max-width:800px){.sidebar{position:fixed;inset:0 auto 0 0;z-index:20;transform:translate(-100%);transition:transform .2s;width:min(86vw,320px)}.sidebar.open{transform:none}.scrim{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:10}.menu{display:block}.conv .icon-btn{opacity:.7}.messages{padding:.7rem}.msg.user{margin-right:0}}.chat-page{height:100dvh}.chat-page .chat-layout{flex:1;min-height:0;height:auto}.chat-page .sidebar{padding-top:.8rem}.chat-page .chat-head{padding:.5rem 1rem}label.check{display:flex;align-items:center;gap:.6rem;color:var(--ink)}label.check input{width:auto}.landing{background:var(--cream)}.l-in{width:min(100%,1040px);margin:0 auto;padding:0 1.2rem}.l-nav{position:absolute;top:0;left:0;right:0;z-index:2;display:flex;justify-content:space-between;align-items:center;padding:1rem 1.2rem;color:#fff}.l-nav .brand{display:flex;align-items:center;gap:.5rem;font-size:1.1rem}.l-nav .by{font-size:.75rem;color:var(--gold);letter-spacing:.04em}.l-notice{position:relative;z-index:3;background:var(--gold-soft);border-bottom:1px solid var(--gold);margin:0;padding:4.5rem 1.2rem .8rem;text-align:center}.btn.gold{background:var(--gold);border-color:var(--gold);color:var(--navy)}.btn.gold:hover:not(:disabled){background:#d8b35e}.l-hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:8rem 0 5rem}.l-hero h1{color:#fff;font-size:clamp(2.1rem,6vw,3.6rem);letter-spacing:-.02em;max-width:16ch}.kicker{color:var(--gold);font-weight:600;font-size:.9rem;letter-spacing:.04em;margin-bottom:1rem}.lead{font-size:clamp(1.05rem,2.2vw,1.25rem);color:#ffffffd9;max-width:56ch;margin:1.2rem 0 2rem}.l-cta{display:flex;gap:.7rem;flex-wrap:wrap}.l-cta .btn{padding:.8rem 1.4rem}.l-section{padding:4rem 0}.l-section.alt{background:#fff;border-block:1px solid var(--line)}.l-section h2{font-size:clamp(1.5rem,3.5vw,2.1rem);letter-spacing:-.01em}.l-sub{color:var(--muted);max-width:70ch;font-size:1.05rem;margin-bottom:1.6rem}.l-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.2rem 2.5rem;font-size:1.05rem;margin-top:1rem}.l-note{margin-top:1.4rem;padding-left:.9rem;border-left:3px solid var(--gold);color:var(--muted);max-width:75ch}.l-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:.8rem}.l-grid li{display:grid;grid-template-columns:auto 1fr;column-gap:.8rem;align-items:start;background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:.9rem 1rem}.l-grid .n{grid-row:span 2;width:34px;height:34px;border-radius:10px;background:var(--navy);color:var(--gold);font-weight:800;display:grid;place-items:center}.l-grid strong{color:var(--navy)}.l-grid li>span:last-child{color:var(--muted);font-size:.9rem}.l-table{overflow-x:auto}.l-table table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;min-width:560px}.l-table th,.l-table td{text-align:left;padding:.8rem 1rem;border-bottom:1px solid var(--line);vertical-align:top}.l-table thead th{background:var(--navy);color:#fff;font-size:.9rem}.l-table thead th:last-child{background:var(--navy-2);color:var(--gold)}.l-table tbody th{font-weight:600;color:var(--navy);width:26%}.l-table tbody td:last-child{background:#fbf5e3;font-weight:500}.l-table tr:last-child>*{border-bottom:0}.l-modes{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:.8rem;margin-top:1.4rem}.l-modes div{display:grid;gap:.2rem;background:#fff;border:1px solid var(--line);border-top:3px solid var(--gold);border-radius:12px;padding:.9rem 1rem}.l-modes strong{color:var(--navy)}.l-modes span{color:var(--muted);font-size:.92rem}.l-trial{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff}.l-trial .l-in{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2.5rem;align-items:center}.l-trial h2{color:#fff}.l-trial-text p{color:#ffffffd9;font-size:1.05rem}.l-trial-text ul{padding-left:1.2rem;color:#ffffffd9;display:grid;gap:.3rem}.l-trial-text li::marker{color:var(--gold)}.l-form{background:#fff;color:var(--ink);border-radius:18px;padding:1.5rem;display:grid;gap:.9rem;box-shadow:0 20px 60px #0000004d;scroll-margin-top:2rem}.l-form .btn{padding:.8rem}.l-footer{background:#071426;color:#ffffffb3;padding:1.5rem 0;font-size:.9rem}.l-footer .l-in{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}.l-footer a{color:var(--gold)}@media(max-width:800px){.l-hero{padding:6.5rem 0 3.5rem}.l-section{padding:2.8rem 0}.l-nav .by{display:none}}.admin{min-height:100%}.admin-head{background:var(--navy);color:#fff;display:flex;align-items:center;gap:1rem;padding:.7rem 1.2rem;flex-wrap:wrap}.admin-head nav{display:flex;gap:.2rem;flex:1;flex-wrap:wrap}.admin-head nav a{color:#ffffffbf;text-decoration:none;padding:.4rem .8rem;border-radius:8px}.admin-head nav a.active{background:var(--gold);color:var(--navy);font-weight:600}.admin-body{max-width:1150px;margin:0 auto;padding:1.2rem;display:grid;gap:1.2rem}.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:.8rem}.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:.9rem 1rem;display:grid}.kpi-label{font-size:.8rem;color:var(--muted)}.kpi-value{font-size:1.6rem;font-weight:700;color:var(--navy)}.kpi-sub{font-size:.78rem;color:var(--muted)}.budget{height:8px;background:var(--line);border-radius:99px;overflow:hidden}.budget div{height:100%;background:var(--gold)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem}.card-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:.6rem}.card-head h3{margin:0}.two-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.2rem}.search{max-width:260px}.bars{display:flex;align-items:flex-end;gap:3px;height:160px}.bar{flex:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:2px;min-width:0}.bar div{width:100%;background:var(--navy);border-radius:4px 4px 0 0;min-height:2px}.bar span{font-size:.62rem;color:var(--muted)}.table-wrap{overflow-x:auto}.admin table{width:100%;border-collapse:collapse;font-size:.9rem}.admin th{text-align:left;font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);padding:.4rem .5rem;border-bottom:1px solid var(--line)}.admin td{padding:.55rem .5rem;border-bottom:1px solid var(--line);vertical-align:top}.admin tr.off td{opacity:.5}.admin tr.clickable{cursor:pointer}.admin tr.clickable:hover td{background:var(--cream)}.actions{display:flex;gap:.3rem;flex-wrap:wrap}.badge{background:var(--gold);color:var(--navy);font-size:.7rem;font-weight:700;border-radius:99px;padding:.05rem .5rem;margin-left:.4rem}.add-form{display:grid;gap:.7rem}.row{display:flex;gap:.8rem;align-items:flex-end;flex-wrap:wrap}.row.end{justify-content:flex-end}.row label{flex:1;min-width:160px}.settings{display:grid;gap:1rem}.settings fieldset{border:1px solid var(--line);border-radius:12px;padding:1rem;display:grid;gap:.8rem;margin:0}.settings legend{font-weight:700;color:var(--navy);padding:0 .4rem}.modal-scrim{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:grid;place-items:center;padding:1rem;z-index:30}.modal{background:#fff;border-radius:16px;padding:1.3rem;width:min(100%,460px);max-height:90dvh;overflow-y:auto;display:grid;gap:.8rem}.modal.wide{width:min(100%,860px);background:var(--cream)}.modal .msg.user{margin:0 0 0 auto}.thumb{max-width:220px;border-radius:10px;display:block;margin-bottom:.4rem}.badge.trial{background:#edf7f0;color:#1f7a4a;border:1px solid #1f7a4a}.badge.warn{background:#fdf1e7;color:#c2560c;border:1px solid #c2560c;margin-left:0}.btn.small.primary{padding:.3rem .6rem}.rich{--c: var(--muted);--bg: #f6f5f1}.rich>.markdown>h2{font-size:1.3rem;margin:1.8em 0 .6em;padding-bottom:.3em;border-bottom:2px solid var(--gold);scroll-margin-top:120px}.rich>.markdown>h3{font-size:1.08rem;margin:1.4em 0 .5em;color:var(--navy-2);scroll-margin-top:120px}.rich>.markdown:first-child>h2:first-child{margin-top:0}.callout{--c: #6b7686;--bg: #f6f5f1;border-left:4px solid var(--c);background:var(--bg);border-radius:0 12px 12px 0;margin:1rem 0;overflow:hidden}.callout.card{border:1px solid var(--line);border-left:4px solid var(--c);background:#fff;border-radius:12px;scroll-margin-top:120px}.callout-head{display:flex;align-items:baseline;gap:.5rem;flex-wrap:wrap;padding:.55rem .9rem 0}.callout-label{font-size:.74rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--c);white-space:nowrap}.callout-title{font-weight:700;color:var(--ink)}.callout-body{padding:.35rem .9rem .7rem}.callout-body>.markdown>:first-child{margin-top:0}.callout .callout{margin:.7rem 0}.callout.blue{--c: #1d5fb8;--bg: #eef4fc}.callout.green{--c: #1f7a4a;--bg: #edf7f0}.callout.red{--c: #b3261e;--bg: #fdf0ee}.callout.teal{--c: #0f7b83;--bg: #ecf7f8}.callout.navy{--c: var(--navy);--bg: #fff}.callout.gold{--c: #a57a16;--bg: #fbf5e3}.callout.purple{--c: #6b3fa0;--bg: #f4effa}.callout.orange{--c: #c2560c;--bg: #fdf1e7}.callout.grey{--c: #6b7686;--bg: #f3f2ee}.level{margin-left:auto;color:#a57a16;font-size:.85rem;white-space:nowrap}.level-text{color:var(--muted);font-size:.75rem;margin-left:.35rem}.source{font-size:.75rem;color:var(--muted);border:1px solid var(--line);border-radius:99px;padding:0 .5rem}.part{margin-top:.7rem;padding-top:.6rem;border-top:1px dashed var(--line)}.part-label{font-size:.74rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--c);margin-bottom:.25rem}.part-faux{background:#fdf0ee;border:0;border-radius:10px;padding:.5rem .7rem}.part-faux .part-label{color:#b3261e}.part-juste{background:#edf7f0;border:0;border-radius:10px;padding:.5rem .7rem}.part-juste .part-label{color:#1f7a4a}.part-application,.part-exemple{background:#f6f5f1;border:0;border-radius:10px;padding:.5rem .7rem}.part-redaction{background:#eef4fc;border:0;border-left:3px solid #1d5fb8;border-radius:0 10px 10px 0;padding:.5rem .7rem}.part-redaction .part-label{color:#1d5fb8}.part-analyse{font-style:normal;color:#4a5565}.part-erreurs .part-label,.part-prevention .part-label{color:#c2560c}.fold.reponse .fold-head{color:#6b3fa0}.fold{margin-top:.6rem;border:1px solid var(--line);border-radius:10px;background:#fff}.fold-head{width:100%;text-align:left;font:inherit;font-weight:700;font-size:.9rem;padding:.5rem .8rem;background:none;border:0;cursor:pointer;color:var(--navy);display:flex;gap:.4rem}.fold-head:hover{background:var(--cream)}.fold-arrow{color:var(--gold)}.fold-body{padding:.2rem .9rem .8rem;border-top:1px solid var(--line)}.fold.indications .fold-head{color:#a57a16}.fold.correction .fold-head{color:#1f7a4a}.fold.retenir .fold-head{color:#6b3fa0}.fold.proof{border-style:dashed;margin:.6rem 0 1rem}.fold.proof .fold-head{color:var(--muted);font-weight:600}.qed{display:block;text-align:right;color:var(--muted)}@media(max-width:800px){.rich .markdown p,.rich .markdown li{max-width:100%;overflow-x:auto;overflow-y:hidden}.level-text{display:none}.callout-head{padding:.5rem .7rem 0}.callout-body{padding:.3rem .7rem .6rem}}.mm-scroll{overflow-x:auto;padding:1rem 12px;-webkit-overflow-scrolling:touch;width:100vw;margin-left:calc(50% - 50vw);box-sizing:border-box}.mm{display:flex;align-items:center;gap:0;width:max-content;margin:0 auto;font-size:.86rem}.mm-center{flex:none;background:var(--navy);color:#fff;font-weight:800;font-size:1.05rem;text-align:center;padding:1rem 1.2rem;border-radius:99px;border:3px solid var(--gold);max-width:190px;z-index:1}.mm-side{display:flex;flex-direction:column;gap:1rem}.mm-branch{--c: var(--navy);position:relative;padding-left:34px}.mm-branch:before{content:"";position:absolute;left:0;top:50%;width:34px;border-top:3px solid var(--c)}.mm-left,.mm-left .mm-label{transform:scaleX(-1)}.mm-c0{--c: #1d5fb8;--bg: #eef4fc}.mm-c1{--c: #1f7a4a;--bg: #edf7f0}.mm-c2{--c: #c2560c;--bg: #fdf1e7}.mm-c3{--c: #6b3fa0;--bg: #f4effa}.mm-c4{--c: #0f7b83;--bg: #ecf7f8}.mm-c5{--c: #b3261e;--bg: #fdf0ee}.mm-node{display:flex;align-items:center}.mm-label{flex:none;max-width:230px;padding:.3rem .65rem;border-radius:10px;border:2px solid var(--c);background:var(--bg);color:var(--ink);line-height:1.35}.mm-branch>.mm-node>.mm-label{background:var(--c);color:#fff;font-weight:700}.mm-label.mm-key{background:#fbf5e3;border-color:#a57a16;font-weight:600}.mm-label.mm-trap{background:#fdf1e7;border-color:#c2560c;border-style:dashed}.mm-label .katex{font-size:1em}.mm-children{position:relative;display:flex;flex-direction:column;gap:.35rem;margin-left:22px}.mm-children:before{content:"";position:absolute;left:-22px;top:50%;width:22px;border-top:2px solid var(--c)}.mm-child{position:relative;padding-left:20px}.mm-child:before{content:"";position:absolute;left:0;top:50%;width:20px;border-top:2px solid var(--c)}.mm-child:after{content:"";position:absolute;left:0;top:0;bottom:0;border-left:2px solid var(--c)}.mm-child:first-child:after{top:50%}.mm-child:last-child:after{bottom:50%}.mm-children.single>.mm-child:after{display:none}@media(max-width:800px){.mm-scroll{width:auto;margin-left:0;padding:1rem 0}.mm{flex-direction:column;align-items:flex-start;gap:.8rem;font-size:.82rem;margin:0}.mm-left,.mm-left .mm-label{transform:none}.mm-center{border-radius:14px;max-width:none}.mm-branch{padding-left:14px}.mm-branch:before{width:14px}.mm-label{max-width:200px}}.page{min-height:100%;display:flex;flex-direction:column}.app-nav{position:sticky;top:0;z-index:15;background:var(--navy);color:#fff;display:flex;align-items:center;gap:1rem;padding:.5rem 1rem}.app-nav .brand{display:flex;align-items:center;gap:.5rem;color:#fff;text-decoration:none}.app-nav nav{display:flex;gap:.2rem;flex:1}.app-nav nav a{color:#ffffffbf;text-decoration:none;padding:.4rem .8rem;border-radius:8px;white-space:nowrap}.app-nav nav a.active{background:var(--gold);color:var(--navy);font-weight:600}.app-nav .nav-out{color:#fff9;font-size:.85rem}.library{width:min(100%,980px);margin:0 auto;padding:1.4rem 1rem 3rem}.library-head h1{margin-bottom:.2rem}.back{display:inline-block;font-size:.85rem;color:var(--muted);text-decoration:none;margin-bottom:.3rem}.back:hover{color:var(--navy)}.trial-banner{display:flex;gap:1rem;align-items:center;justify-content:space-between;flex-wrap:wrap;background:var(--gold-soft);border:1px solid var(--gold);border-radius:var(--radius);padding:.8rem 1rem;margin:1rem 0}.btn.whatsapp{background:#1fa855;border-color:#1fa855;color:#fff}.btn.whatsapp:hover{background:#178a45;border-color:#178a45}.course{margin-top:1.6rem}.course h2 .muted{font-weight:400;font-size:.9rem;margin-left:.4rem}.chapters{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:.8rem}.chapter-card{display:flex;gap:.8rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:.9rem;text-decoration:none;color:inherit;transition:border-color .15s,transform .15s}.chapter-card:hover{border-color:var(--gold);transform:translateY(-2px)}.chapter-card.is-locked{opacity:.7}.chapter-num{flex:none;width:42px;height:42px;border-radius:12px;background:var(--navy);color:var(--gold);font-weight:800;display:grid;place-items:center}.chapter-body{display:grid;gap:.2rem;min-width:0}.chapter-title{font-weight:700;color:var(--navy)}.chapter-summary{font-size:.85rem;color:var(--muted)}.chapter-meta{font-size:.78rem;color:var(--muted);display:flex;gap:.4rem;align-items:center;flex-wrap:wrap}.tag{border:1px solid var(--line);border-radius:99px;padding:0 .5rem}.tag.free{background:#edf7f0;border-color:#1f7a4a;color:#1f7a4a;font-weight:600}.chapter-head{position:sticky;top:48px;z-index:10;background:#fff;border-bottom:1px solid var(--line)}.chapter-head-in{width:min(100%,900px);margin:0 auto;padding:.6rem 1rem 0}.chapter-head h1{font-size:1.25rem;margin:0 0 .4rem}.tabs{overflow-x:auto;scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}.tabs-in{display:flex;gap:.2rem;width:max-content;min-width:min(100%,900px);margin:0 auto;padding:0 1rem}.tabs a{display:flex;align-items:center;gap:.35rem;padding:.5rem .7rem;font-size:.88rem;color:var(--muted);text-decoration:none;border-bottom:3px solid transparent;white-space:nowrap}.tabs a:hover{color:var(--navy)}.tabs a.on{color:var(--navy);font-weight:700;border-color:var(--gold)}.tab-n{font-size:.68rem;font-weight:800;width:18px;height:18px;border-radius:50%;background:var(--line);color:var(--navy);display:grid;place-items:center}.tabs a.on .tab-n{background:var(--gold)}.tabs a.ask{color:#1f7a4a}.chapter-main{width:min(100%,900px);margin:0 auto;padding:1.2rem 1rem 4rem;flex:1}.toc{border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:1rem}.toc-head{width:100%;text-align:left;font:inherit;font-weight:700;background:none;border:0;padding:.6rem .9rem;cursor:pointer;color:var(--navy)}.toc ol{margin:0;padding:0 .9rem .8rem 2.2rem;columns:2;column-gap:2rem;font-size:.9rem}.toc li{break-inside:avoid;padding:.1rem 0}.toc a{text-decoration:none}.toc a:hover{text-decoration:underline}.next-section{margin-top:2.5rem;text-align:center}.ask-panel,.locked{background:#fff;border:1px solid var(--line);border-radius:18px;padding:2rem 1.5rem;text-align:center;max-width:620px;margin:2rem auto}.locked-icon{font-size:2.2rem}.protected{position:relative;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.watermark{position:fixed;top:0;right:0;bottom:0;left:0;z-index:5;pointer-events:none;overflow:hidden;opacity:.045;font-size:.85rem;font-weight:600;color:var(--navy)}.watermark-in{position:absolute;top:-40%;right:-40%;bottom:-40%;left:-40%;display:flex;flex-wrap:wrap;align-content:space-around;justify-content:space-around;gap:5rem 3rem;transform:rotate(-24deg)}.watermark span{white-space:nowrap}@media print{body.no-print #root{display:none}body.no-print:after{content:"Impression désactivée. Contenu réservé aux étudiants inscrits."}}@media(max-width:800px){.app-nav{gap:.4rem;padding:.45rem .6rem}.app-nav .brand strong{display:none}.app-nav nav a{padding:.4rem .55rem;font-size:.9rem}.chapter-head h1{font-size:1.05rem}.toc ol{columns:1}.chapter-main{padding:1rem .7rem 4rem}}