@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}pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}/*!
  Theme: GitHub Dark
  Description: Dark theme as seen on github.com
  Author: github.com
  Maintainer: @Hirse
  Updated: 2021-05-15

  Outdated base version: https://github.com/primer/github-syntax-dark
  Current colors taken from GitHub's CSS
*/.hljs{color:#c9d1d9;background:#0d1117}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#ff7b72}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#d2a8ff}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-variable,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id{color:#79c0ff}.hljs-regexp,.hljs-string,.hljs-meta .hljs-string{color:#a5d6ff}.hljs-built_in,.hljs-symbol{color:#ffa657}.hljs-comment,.hljs-code,.hljs-formula{color:#8b949e}.hljs-name,.hljs-quote,.hljs-selector-tag,.hljs-selector-pseudo{color:#7ee787}.hljs-subst{color:#c9d1d9}.hljs-section{color:#1f6feb;font-weight:700}.hljs-bullet{color:#f2cc60}.hljs-emphasis{color:#c9d1d9;font-style:italic}.hljs-strong{color:#c9d1d9;font-weight:700}.hljs-addition{color:#aff5b4;background-color:#033a16}.hljs-deletion{color:#ffdcd7;background-color:#67060c}:root{--bg: #f5f7fa;--surface: #ffffff;--surface-2: #f0f3f8;--border: #dfe4ec;--border-strong: #c6cedb;--text: #1a2230;--text-muted: #667089;--primary: #2f6df6;--primary-weak: #e8efff;--accent: #12b981;--danger: #e5484d;--warn: #b7791f;--warn-bg: #fff8e6;--warn-border: #f2d99b;--info-bg: #eef4ff;--info-border: #c8dbff;--code-bg: #f3f5f9;--radius: 10px;--radius-sm: 7px;--shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);--shadow-lg: 0 12px 32px rgba(16, 24, 40, .16);--mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Consolas, "Cascadia Mono", "Courier New", monospace;--sans: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #0f1319;--surface: #171c24;--surface-2: #1e242e;--border: #2a323f;--border-strong: #3a4557;--text: #e6eaf2;--text-muted: #9aa5b8;--primary: #6c9bff;--primary-weak: #1c2a48;--accent: #34d399;--danger: #ff6b6b;--warn: #f0c674;--warn-bg: #2a2316;--warn-border: #5c4a22;--info-bg: #17233a;--info-border: #2a3f63;--code-bg: #10151c;--shadow: 0 1px 2px rgba(0, 0, 0, .4);--shadow-lg: 0 16px 40px rgba(0, 0, 0, .55)}}*{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100%}body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.3;margin:0 0 .4em}h1{font-size:1.5rem}h2{font-size:1.15rem}h3{font-size:1rem}code,pre,.mono{font-family:var(--mono)}.app{display:flex;flex-direction:column;min-height:100vh}.content{flex:1;width:100%;max-width:1180px;margin:0 auto;padding:22px 20px 56px}.footer{border-top:1px solid var(--border);padding:16px 20px;text-align:center;color:var(--text-muted);font-size:.85rem}.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:22px;padding:10px 20px;background:color-mix(in srgb,var(--surface) 88%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700}.brand:hover{text-decoration:none}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:.85rem;letter-spacing:.5px}.brand-text{display:flex;flex-direction:column;line-height:1.15}.brand-text small{font-weight:400;font-size:.7rem;color:var(--text-muted)}.topnav{display:flex;gap:4px}.navlink{padding:6px 12px;border-radius:var(--radius-sm);color:var(--text-muted);font-weight:500}.navlink:hover{background:var(--surface-2);text-decoration:none}.navlink.active{color:var(--primary);background:var(--primary-weak)}.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}.user-menu{display:flex;align-items:center;gap:8px}.user-chip{display:inline-flex;align-items:center;gap:7px;padding:3px 10px 3px 4px;border-radius:999px;background:var(--surface-2);color:var(--text);font-size:.88rem}.user-chip:hover{text-decoration:none}.user-chip img{border-radius:50%}.user-chip.small{font-size:.8rem;padding:2px 8px 2px 3px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.section{margin-top:16px}.section-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}.section-head h2,.section-head h3{margin:0}.section-actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}.muted{color:var(--text-muted)}.small{font-size:.85rem}.grow,.spacer{flex:1}.dot{color:var(--border-strong)}.button-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.row-actions{display:flex;gap:2px;flex-wrap:wrap;align-items:center}.banner{padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--info-border);background:var(--info-bg);font-size:.9rem;margin:12px 0}.banner-warn{border-color:var(--warn-border);background:var(--warn-bg)}.banner-info{border-color:var(--info-border);background:var(--info-bg)}.error-box{display:flex;align-items:center;gap:10px;padding:10px 14px;margin:12px 0;border-radius:var(--radius-sm);border:1px solid color-mix(in srgb,var(--danger) 40%,var(--border));background:color-mix(in srgb,var(--danger) 10%,var(--surface));color:var(--text);font-size:.9rem}.error-box button{margin-left:auto}.empty-state{text-align:center;padding:48px 20px;color:var(--text-muted)}.empty-title{font-size:1.05rem;color:var(--text);margin-bottom:6px}.empty-hint{font-size:.9rem;margin-bottom:14px}.spinner{display:flex;align-items:center;gap:8px;color:var(--text-muted);padding:18px 4px;font-size:.9rem}.spinner-dot{width:14px;height:14px;border-radius:50%;border:2px solid var(--border-strong);border-top-color:var(--primary);animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface);color:var(--text);font-size:.88rem;font-family:inherit;cursor:pointer;transition:background .12s ease,border-color .12s ease,transform .06s ease;white-space:nowrap}.btn:hover:not(:disabled){background:var(--surface-2);text-decoration:none}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:color-mix(in srgb,var(--primary) 85%,#000)}.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}.btn-accent:hover:not(:disabled){background:color-mix(in srgb,var(--accent) 85%,#000)}.btn-danger{border-color:color-mix(in srgb,var(--danger) 55%,var(--border));color:var(--danger)}.btn-danger-text{color:var(--danger)}.btn-ghost{border-color:transparent;background:transparent}.btn-ghost:hover:not(:disabled){background:var(--surface-2)}.btn-sm{padding:3px 9px;font-size:.82rem}.btn-block{width:100%;justify-content:center}.link-btn{background:none;border:none;color:var(--primary);cursor:pointer;font-size:.82rem;font-family:inherit;padding:0}.link-btn:hover{text-decoration:underline}.input{width:100%;padding:7px 10px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface);color:var(--text);font-family:inherit;font-size:.9rem}.input:focus{outline:2px solid var(--primary-weak);border-color:var(--primary)}.input::placeholder{color:var(--text-muted)}select.select{cursor:pointer}.input-inline{width:64px;padding:3px 6px;font-size:.82rem}.inline-inputs{display:flex;gap:6px}textarea.input{resize:vertical;line-height:1.5}.code-input{font-family:var(--mono);font-size:.85rem}.pre-wrap{white-space:pre-wrap;word-break:break-word}.field{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}.field-label{font-size:.85rem;font-weight:600;color:var(--text)}.field-label .req{color:var(--danger);font-style:normal;margin-left:3px}.field-hint{font-size:.78rem;color:var(--text-muted)}.check{display:inline-flex;align-items:center;gap:6px;font-size:.88rem;cursor:pointer}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.stack{display:flex;flex-direction:column;gap:12px}.stack-tight{display:flex;flex-direction:column;gap:6px}.segmented{display:inline-flex;padding:3px;border-radius:var(--radius-sm);background:var(--surface-2);gap:2px;margin-bottom:12px}.seg,.tab{padding:5px 14px;border:none;border-radius:6px;background:transparent;color:var(--text-muted);font-family:inherit;font-size:.88rem;cursor:pointer}.seg.active,.tab-active{background:var(--surface);color:var(--text);font-weight:600;box-shadow:var(--shadow)}.badge{display:inline-block;padding:1px 8px;border-radius:999px;border:1px solid var(--border-strong);background:var(--surface-2);font-size:.75rem;color:var(--text-muted);white-space:nowrap}.badge-admin{border-color:var(--primary);background:var(--primary-weak);color:var(--primary)}.badge-draft{border-color:var(--warn-border);background:var(--warn-bg);color:var(--warn)}.badge-published{border-color:color-mix(in srgb,var(--accent) 50%,var(--border));background:color-mix(in srgb,var(--accent) 14%,var(--surface));color:var(--accent)}.badge-archived{opacity:.8}.badge-type{border-color:#b39ddb;background:color-mix(in srgb,#7e57c2 12%,var(--surface));color:#7e57c2}.tag{display:inline-block;padding:1px 9px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);font-size:.76rem;color:var(--text-muted)}.tag-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}.tag-cloud{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}.chip{display:inline-flex;align-items:center;gap:5px;padding:3px 11px;border-radius:999px;border:1px solid var(--border-strong);background:var(--surface);color:var(--text-muted);font-size:.8rem;font-family:inherit;cursor:pointer}.chip em{font-style:normal;font-size:.72rem;opacity:.7}.chip-active{border-color:var(--primary);background:var(--primary-weak);color:var(--primary)}.page-head{display:flex;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:16px}.page-head h1{margin-bottom:2px}.page-head p{margin:0;font-size:.88rem}.page-actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}.toolbar{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}.search-form{display:flex;gap:8px}.search-form .input{max-width:420px}.filter-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.filter-row .select,.filter-row .input{width:auto;min-width:130px}.pager{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:20px}.problem-list{display:flex;flex-direction:column;gap:10px}.problem-row{display:flex;gap:16px;align-items:center}.problem-main{min-width:0;flex:1}.problem-title{font-size:1.05rem;font-weight:600;color:var(--text)}.problem-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:.82rem;color:var(--text-muted);margin-top:4px}.author-chip{display:inline-flex;align-items:center;gap:6px;color:var(--text-muted)}.author-chip img{border-radius:50%}.problem-side{display:flex;gap:18px;text-align:center}.stat{display:flex;flex-direction:column;min-width:62px}.stat-value{font-weight:600;font-size:.86rem}.stat-label{font-size:.72rem;color:var(--text-muted)}.problem-header{display:flex;gap:18px;align-items:flex-start;flex-wrap:wrap}.problem-header-main{flex:1;min-width:260px}.problem-header-actions{display:flex;gap:8px;flex-wrap:wrap}.statement-section h2{padding-bottom:8px;border-bottom:1px solid var(--border);margin-bottom:14px}.kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:0 0 12px}.kv div{background:var(--surface-2);border-radius:var(--radius-sm);padding:8px 12px}.kv dt{font-size:.75rem;color:var(--text-muted)}.kv dd{margin:0;font-weight:600;font-size:.9rem}.subtask-list{display:flex;flex-direction:column;gap:6px}.subtask-item{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:6px 10px;border-radius:var(--radius-sm);background:var(--surface-2)}.subtask-title{font-weight:600}.sample-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}.sample-col-head{display:flex;align-items:center;gap:10px;font-size:.82rem;font-weight:600;color:var(--text-muted);margin-bottom:4px}.sample-actions{margin-left:auto;display:flex;gap:8px}.sample-pre,.code-view{margin:0;padding:10px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--code-bg);font-family:var(--mono);font-size:.85rem;line-height:1.5;overflow-x:auto;white-space:pre-wrap;word-break:break-word;max-height:420px;overflow-y:auto}.code-head{display:flex;align-items:center;gap:8px;font-size:.78rem;color:var(--text-muted);margin:8px 0 4px;font-family:var(--mono)}.oi-sample-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:12px 0}.oi-sample-cell .oi-sample-label{font-size:.8rem;font-weight:600;color:var(--text-muted);margin-bottom:4px}.oi-sample-cell pre{margin:0}.markdown-body{overflow-wrap:break-word}.markdown-body>*:first-child{margin-top:0}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4{margin:1.1em 0 .5em}.markdown-body p{margin:.7em 0}.markdown-body img{max-width:100%;border-radius:var(--radius-sm)}.markdown-body blockquote{margin:.8em 0;padding:2px 14px;border-left:3px solid var(--border-strong);color:var(--text-muted)}.markdown-body table{border-collapse:collapse;display:block;max-width:100%;overflow-x:auto;margin:.8em 0}.markdown-body th,.markdown-body td{border:1px solid var(--border);padding:5px 10px;font-size:.88rem}.markdown-body th{background:var(--surface-2)}.markdown-body code{padding:1px 5px;border-radius:5px;background:var(--code-bg);border:1px solid var(--border);font-size:.86em}.markdown-body pre code{padding:0;border:none;background:none}.markdown-body hr{border:none;border-top:1px solid var(--border);margin:1.4em 0}.markdown-body ul,.markdown-body ol{padding-left:1.6em}.markdown-empty{color:var(--text-muted);font-size:.88rem}.code-block{position:relative;margin:.8em 0}.code-block .code-lang{position:absolute;top:6px;right:10px;font-size:.7rem;color:var(--text-muted);font-family:var(--mono);pointer-events:none}.code-block pre{margin:0;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--code-bg);overflow-x:auto;font-size:.85rem;line-height:1.5}.math-block{overflow-x:auto;padding:4px 0}.math-error{color:var(--danger);font-family:var(--mono);font-size:.85em;background:color-mix(in srgb,var(--danger) 10%,transparent);border-radius:4px;padding:0 3px}.oi-container{margin:.9em 0;border-radius:var(--radius-sm);border:1px solid var(--info-border);background:var(--info-bg);overflow:hidden}.oi-container-title{padding:6px 12px;font-size:.85rem;font-weight:600;background:color-mix(in srgb,var(--info-border) 35%,transparent);cursor:default}details.oi-container>summary.oi-container-title{cursor:pointer}.oi-container-body{padding:8px 12px}.oi-warn{border-color:var(--warn-border);background:var(--warn-bg)}.oi-warn .oi-container-title{background:color-mix(in srgb,var(--warn-border) 40%,transparent)}.oi-range{border-color:var(--border-strong);background:var(--surface-2)}.oi-sample{border-color:var(--border-strong);background:var(--code-bg)}.md-editor{border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;background:var(--surface)}.md-editor-tabs{display:flex;align-items:center;gap:4px;padding:6px 8px;border-bottom:1px solid var(--border);background:var(--surface-2)}.md-editor-tip{margin-left:auto;font-size:.75rem;color:var(--text-muted)}.md-editor-tip code{background:var(--surface);border:1px solid var(--border);border-radius:4px;padding:0 4px}.md-textarea{width:100%;border:none;padding:12px 14px;font-family:var(--mono);font-size:.86rem;line-height:1.6;background:var(--surface);color:var(--text);resize:vertical;display:block}.md-textarea:focus{outline:none}.md-preview{padding:12px 16px;min-height:200px;overflow-y:auto}.editor-tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:16px;flex-wrap:wrap}.editor-tabs .tab{border-radius:6px 6px 0 0;padding:7px 16px}.source-tabs{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:10px}.sample-inputs{margin-top:16px}.composed-preview summary{cursor:pointer;font-weight:600}.composed-preview pre{margin-top:10px;padding:12px;border-radius:var(--radius-sm);background:var(--code-bg);border:1px solid var(--border);font-size:.82rem;max-height:420px;overflow:auto}.table-wrap{padding:0;overflow-x:auto}.table{width:100%;border-collapse:collapse;font-size:.88rem}.table th,.table td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--border);vertical-align:middle}.table th{background:var(--surface-2);font-size:.8rem;color:var(--text-muted);font-weight:600;white-space:nowrap}.table tbody tr:last-child td{border-bottom:none}.table-compact th,.table-compact td{padding:5px 9px;font-size:.82rem}.row-disabled{opacity:.55}.detail-row td{background:var(--surface-2)}.tc-label{font-weight:500}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#0c121c80;display:flex;align-items:center;justify-content:center;padding:0;overflow:hidden;overscroll-behavior:contain}body.oi-scroll-locked{overflow:hidden;padding-right:var(--oi-scrollbar-width, 0px)}.modal{width:100%;max-width:620px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;max-height:88%}.modal-wide{max-width:940px}.modal-full{max-width:900px;max-height:88%}.modal-full .modal-body{display:flex;flex-direction:column;overflow:hidden;padding-bottom:12px}.modal-full .md-editor-fill{flex:1 1 auto;min-height:0}.modal-head{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);flex:0 0 auto}.modal-head h2{margin:0;font-size:1.05rem;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.modal-head .btn{margin-left:auto;flex:none}.modal-body{padding:16px;flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain}.modal-foot{display:flex;align-items:center;gap:8px;padding:12px 16px;border-top:1px solid var(--border);flex:0 0 auto;flex-wrap:wrap}.modal-foot .btn:not(:first-child){margin-left:auto}.modal-foot .btn:only-child{margin-left:auto}.preview-box{border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;background:var(--surface-2)}.preview-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-bottom:10px}.preview-grid>div{display:flex;flex-direction:column}.radio-row{display:flex;align-items:center;gap:8px;font-size:.88rem}.verdict{border:1px solid var(--border);border-left-width:4px;border-radius:var(--radius-sm);padding:12px;background:var(--surface-2)}.verdict-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:6px}.verdict-ok{border-left-color:var(--accent)}.verdict-wrong_answer,.verdict-error,.verdict-failure{border-left-color:var(--danger)}.verdict-presentation,.verdict-invalid{border-left-color:var(--warn)}.attachment-list,.simple-list{list-style:none;margin:0;padding:0}.attachment-item,.simple-list li{display:flex;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid var(--border);flex-wrap:wrap}.attachment-item:last-child,.simple-list li:last-child{border-bottom:none}.attachment-name{font-weight:500}.simple-list li>.muted{margin-left:auto}.idea-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.idea-card{display:flex;flex-direction:column;gap:6px}.idea-head{display:flex;align-items:flex-start;gap:8px}.idea-head h3{margin:0;flex:1}.idea-excerpt{margin:0;font-size:.86rem;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.idea-foot{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:6px;border-top:1px solid var(--border)}.code-row{display:flex;gap:8px;align-items:stretch}.code-row .code-input{width:132px;flex:none;font-family:var(--mono);font-size:1rem;letter-spacing:.18em;text-align:center}.code-row .btn{flex:none;white-space:nowrap}.auth-page{display:grid;place-items:center;padding:28px 0}.auth-card{width:100%;max-width:460px}.auth-head h1{margin-bottom:4px}.auth-head p{margin-top:0}.profile-head{display:flex;gap:18px;align-items:flex-start;flex-wrap:wrap}.profile-avatar{border-radius:16px}.profile-bio{white-space:pre-wrap}.toast-stack{position:fixed;right:18px;bottom:18px;z-index:200;display:flex;flex-direction:column;gap:8px;max-width:360px}.toast{text-align:left;padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface);color:var(--text);box-shadow:var(--shadow-lg);font-family:inherit;font-size:.88rem;cursor:pointer}.toast-success{border-color:color-mix(in srgb,var(--accent) 55%,var(--border))}.toast-error{border-color:color-mix(in srgb,var(--danger) 55%,var(--border))}@media(max-width:860px){.two-col,.three-col,.sample-pair,.oi-sample-grid{grid-template-columns:1fr}.problem-row{flex-direction:column;align-items:flex-start}.problem-side{gap:22px}.topbar{flex-wrap:wrap;gap:10px}.content{padding:16px 14px 40px}.md-editor-tip{display:none}}.hljs{background:transparent!important}:root{--ease-out: cubic-bezier(.22, .8, .3, 1);--ease-in-out: cubic-bezier(.4, 0, .2, 1);--dur-fast: .12s;--dur: .2s;--dur-slow: .32s;--lift: -1px;--ring: 0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent)}@keyframes oi-fade-up{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes oi-fade-in{0%{opacity:0}to{opacity:1}}@keyframes oi-pop-in{0%{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes oi-toast-in{0%{opacity:0;transform:translate(16px) scale(.98)}to{opacity:1;transform:translate(0) scale(1)}}@keyframes oi-shimmer{0%{background-position:-180% 0}to{background-position:180% 0}}.content>.page,.content>.auth-page,.content>.problem-page,.content>.editor-page,.content>.testdata-page{animation:oi-fade-up var(--dur-slow) var(--ease-out) both}.problem-list .problem-row,.idea-grid>.idea-card{animation:oi-fade-up var(--dur-slow) var(--ease-out) both}.problem-list .problem-row:nth-child(1),.idea-grid>.idea-card:nth-child(1){animation-delay:0ms}.problem-list .problem-row:nth-child(2),.idea-grid>.idea-card:nth-child(2){animation-delay:30ms}.problem-list .problem-row:nth-child(3),.idea-grid>.idea-card:nth-child(3){animation-delay:60ms}.problem-list .problem-row:nth-child(4),.idea-grid>.idea-card:nth-child(4){animation-delay:90ms}.problem-list .problem-row:nth-child(n+5),.idea-grid>.idea-card:nth-child(n+5){animation-delay:.11s}.card{transition:box-shadow var(--dur) var(--ease-out),border-color var(--dur) var(--ease-out),transform var(--dur) var(--ease-out)}.problem-row:hover,.idea-card:hover{transform:translateY(var(--lift));box-shadow:0 6px 18px #1018281a;border-color:var(--border-strong)}@media(prefers-color-scheme:dark){.problem-row:hover,.idea-card:hover{box-shadow:0 8px 22px #00000080}}.btn{transition:background var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out)}.btn:hover:not(:disabled){transform:translateY(var(--lift));box-shadow:0 2px 8px #1018281a}.btn:active:not(:disabled){transform:translateY(0) scale(.985)}.btn:focus-visible,.input:focus-visible,.link-btn:focus-visible,.chip:focus-visible,.tag-x:focus-visible{outline:none;box-shadow:var(--ring)}.input{transition:border-color var(--dur) var(--ease-out),box-shadow var(--dur) var(--ease-out),background var(--dur) var(--ease-out)}.input:focus{outline:none;box-shadow:var(--ring)}.tag,.badge,.chip{transition:background var(--dur) var(--ease-out),border-color var(--dur) var(--ease-out),color var(--dur) var(--ease-out),transform var(--dur-fast) var(--ease-out)}.tag:hover,.chip:hover{transform:translateY(var(--lift))}.chip-active{animation:oi-fade-in var(--dur) var(--ease-out)}.link-btn{transition:color var(--dur-fast) var(--ease-out),opacity var(--dur-fast) var(--ease-out)}.link-btn:hover{opacity:.85}.problem-title{transition:color var(--dur-fast) var(--ease-out)}.author-chip{transition:color var(--dur) var(--ease-out),background var(--dur) var(--ease-out);border-radius:999px;padding:1px 6px 1px 2px}.author-chip:hover{background:var(--surface-2);color:var(--primary);text-decoration:none}.navlink{position:relative;transition:color var(--dur) var(--ease-out),background var(--dur) var(--ease-out)}.navlink:after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease-out)}.navlink:hover:after,.navlink.active:after{transform:scaleX(1)}.modal-backdrop{animation:oi-fade-in var(--dur) var(--ease-out) both}.modal{animation:oi-pop-in var(--dur-slow) var(--ease-out) both}.toast{animation:oi-toast-in var(--dur-slow) var(--ease-out) both;transition:transform var(--dur) var(--ease-out),opacity var(--dur) var(--ease-out)}.toast:hover{transform:translate(-3px)}.error-box,.banner{animation:oi-fade-up var(--dur-slow) var(--ease-out) both}.missing-testdata-banner{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.table tbody tr{transition:background var(--dur-fast) var(--ease-out)}.table tbody tr:hover>td{background:color-mix(in srgb,var(--primary) 5%,transparent)}.detail-row{animation:oi-fade-in var(--dur) var(--ease-out) both}.subtask-item,.preview-box,.verdict{animation:oi-fade-up var(--dur) var(--ease-out) both}.hovercard-anchor{position:relative;display:inline-flex;align-items:center}.hovercard{position:absolute;left:0;top:calc(100% + 8px);z-index:60;width:264px;opacity:0;transform:translateY(-6px) scale(.98);transform-origin:top left;pointer-events:none;transition:opacity var(--dur) var(--ease-out),transform var(--dur) var(--ease-out),visibility 0s linear var(--dur);visibility:hidden}.hovercard-open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto;visibility:visible;transition-delay:0s}.hovercard-inner{display:flex;flex-direction:column;gap:8px;padding:12px 14px;border-radius:var(--radius);border:1px solid var(--border-strong);background:var(--surface);box-shadow:var(--shadow-lg);font-size:.85rem;font-weight:400;color:var(--text);text-align:left}.hovercard-inner:before{content:"";position:absolute;top:-5px;left:18px;width:9px;height:9px;background:var(--surface);border-left:1px solid var(--border-strong);border-top:1px solid var(--border-strong);transform:rotate(45deg)}.hovercard-head{display:flex;align-items:center;gap:10px}.hovercard-avatar{border-radius:50%;flex:none}.hovercard-id{display:flex;flex-direction:column;line-height:1.3;min-width:0}.hovercard-id strong{font-size:.95rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hovercard-bio{color:var(--text-muted);line-height:1.5;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;white-space:pre-wrap}.hovercard-stats{display:flex;gap:14px;color:var(--text-muted);font-size:.8rem}.hovercard-stats b{color:var(--text)}.hovercard-link{align-self:flex-start;font-size:.82rem}.hovercard-skeleton{display:block;height:12px;border-radius:4px;background:linear-gradient(90deg,var(--surface-2) 25%,var(--border) 50%,var(--surface-2) 75%);background-size:200% 100%;animation:oi-shimmer 1.2s linear infinite}.hovercard-skeleton.short{width:60%}.problem-side .hovercard,.topbar-right .hovercard{left:auto;right:0;transform-origin:top right}.problem-side .hovercard-inner:before,.topbar-right .hovercard-inner:before{left:auto;right:18px}.tag-editor{margin-top:10px}.tag-row-editable{align-items:center;gap:6px}.tag-removable{display:inline-flex;align-items:center;gap:4px;padding-right:4px}.tag-x{border:none;background:transparent;color:var(--text-muted);cursor:pointer;font-size:.72rem;line-height:1;padding:2px 3px;border-radius:4px;transition:color var(--dur-fast) var(--ease-out),background var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out)}.tag-x:hover:not(:disabled){color:var(--danger);background:color-mix(in srgb,var(--danger) 14%,transparent);transform:scale(1.12)}.tag-x:disabled{opacity:.4;cursor:not-allowed}.tag-system{border-style:dashed;border-color:var(--warn-border);background:var(--warn-bg);color:var(--warn);cursor:help}.tag-lock{font-style:normal;font-size:.68rem;opacity:.75;margin-left:4px}.tag-add-btn{display:inline-grid;place-items:center;width:22px;height:22px;padding:0;border-radius:999px;border:1px dashed var(--border-strong);background:transparent;color:var(--text-muted);font-size:.9rem;line-height:1;cursor:pointer;transition:color var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out),background var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out)}.tag-add-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-weak);transform:rotate(90deg) scale(1.08)}.tag-add-btn:focus-visible{outline:none;box-shadow:var(--ring)}.tag-add-inline{display:inline-flex;align-items:center;gap:6px;animation:oi-fade-in var(--dur) var(--ease-out) both}.input-inline-tag{width:170px;padding:3px 9px;font-size:.82rem}.tag-add{display:flex;gap:8px;margin-top:8px;max-width:420px}.tag-add .input{flex:1;min-width:0}.tag-hint{margin:6px 0 0}.difficulty-chip{display:inline-flex;align-items:center;border:1px solid;border-radius:999px;font-weight:600;white-space:nowrap;transition:transform var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out)}.difficulty-chip:hover{transform:translateY(var(--lift))}.difficulty-md{padding:1px 10px;font-size:.78rem}.difficulty-sm{padding:0 8px;font-size:.72rem}.export-tabs{flex-wrap:wrap}.export-preview{min-height:220px;max-height:46vh;line-height:1.6;font-size:.85rem}.export-steps{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);padding:12px 14px}.export-steps strong{display:block;margin-bottom:6px}.export-steps ol{margin:0;padding-left:1.4em;font-size:.86rem;line-height:1.75}.export-steps code{background:var(--surface);border:1px solid var(--border);border-radius:4px;padding:0 4px}.export-steps .tag-row{margin-top:4px}.md-editor{transition:border-color var(--dur) var(--ease-out),box-shadow var(--dur) var(--ease-out)}.md-editor:focus-within{border-color:var(--primary);box-shadow:var(--ring)}.md-editor-split{overflow:visible}.md-editor-fill{display:flex;flex-direction:column;min-height:0}.idea-form{flex:1 1 auto;min-height:0}.idea-form-meta{flex:0 0 auto}.idea-form-editor{display:flex;flex-direction:column;gap:4px;flex:1 1 auto;min-height:0}.md-editor-fill .md-editor-tabs{flex:0 0 auto}.md-editor-body{display:flex;flex-direction:column;min-height:0}.md-editor-fill .md-editor-body{flex:1 1 auto}.md-editor-fill .md-textarea,.md-editor-fill .md-preview{flex:1 1 auto;min-height:0}.md-editor-fill .md-textarea{resize:none;overflow-y:auto}.md-split{display:grid;grid-template-columns:1fr 1fr;min-height:440px}.md-editor-fill .md-split{flex:1 1 auto;min-height:0;grid-template-rows:minmax(0,1fr)}.md-textarea-split{min-height:440px;max-height:70vh;overflow-y:auto;border-right:1px solid var(--border);resize:none}.md-preview-split{min-height:440px;max-height:70vh;overflow-y:auto;background:var(--surface)}.md-editor-fill .md-textarea-split,.md-editor-fill .md-preview-split{min-height:0;max-height:none}.md-editor-fill .md-editor-body,.md-editor-fill .md-textarea,.md-editor-fill .md-preview{min-height:200px}.md-editor-plain{border:none;border-radius:0}.md-editor-plain .md-textarea{border:1px solid var(--border-strong);border-radius:var(--radius-sm)}.md-pane-label{font-size:.78rem;font-weight:600;color:var(--text-muted);letter-spacing:.02em}.md-pane-sep{flex:1}.chip-tiny{padding:1px 8px;font-size:.72rem}.autogrow{resize:none;overflow-y:auto;line-height:1.55}@media(max-width:860px){.md-split{grid-template-columns:1fr;min-height:0}.md-editor-fill .md-split{display:flex;flex-direction:column;flex:0 0 auto}.md-editor-fill .md-editor-body{flex:0 0 auto}.md-textarea-split{border-right:none;border-bottom:1px solid var(--border);min-height:240px;max-height:240px}.md-preview-split{min-height:200px;max-height:260px}.modal-full .modal-body{overflow-y:auto}.hovercard{width:min(264px,calc(100vw - 32px))}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}.btn:hover:not(:disabled),.problem-row:hover,.idea-card:hover,.tag:hover,.chip:hover{transform:none}}
