@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.18.7"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .reflectbox{display:inline-block;transform:scaleX(-1)}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}:root{font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;color:var(--ink);background:var(--canvas);--motion:.16s;--motion-enter:.2s;--motion-exit:.12s;--motion-stagger:0s;--ease-out:cubic-bezier(.22, 1, .36, 1);--ease-spring:cubic-bezier(.2, .8, .2, 1.12);--canvas:#fff;--panel:#fff;--surface-subtle:#f5f5f5;--ink:#151515;--muted:#666;--faint:#767676;--line:#e5e5e5;--accent:#171717;--accent-soft:#eee;--success:#292929;--success-soft:#ededed;--danger:#292929;--danger-soft:#dedede;--warning:#5c5c5c;--warning-soft:#f1f1f1;--content-width:1440px;--content-gutter:64px;--radius:12px;--shadow:none;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.6}*{box-sizing:border-box}html{background:var(--canvas);scroll-behavior:smooth;min-width:320px}body{background:var(--canvas);min-width:320px;min-height:100vh;margin:0}#root{flex-direction:column;min-height:100dvh;display:flex}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}input,textarea,select{accent-color:var(--accent)}input::placeholder,textarea::placeholder{color:var(--faint);opacity:.85}button svg,a svg{flex:none}.page{flex:1 0 auto;width:100%;min-width:0;max-width:1440px;margin:0 auto;padding:28px 32px 48px}.page-loading{color:var(--muted)}.page-heading{justify-content:space-between;align-items:center;gap:24px;margin-bottom:24px;display:flex}.page-heading h1{color:var(--ink);letter-spacing:-.5px;overflow-wrap:anywhere;margin:0 0 8px;font-size:24px;font-weight:600;line-height:1.3}.page-heading>div:first-child{min-width:0}.page-heading p{color:var(--muted);max-width:760px;margin:0;font-size:13px;line-height:1.8}.eyebrow{color:var(--accent);text-transform:uppercase;letter-spacing:.12em;align-items:center;gap:10px;font-size:10px;font-weight:600;display:flex}.heading-actions{flex-wrap:wrap;flex:none;justify-content:flex-end;gap:10px;display:flex}.button,.upload-button{min-height:36px;transition:background-color var(--motion) ease, border-color var(--motion) ease, color var(--motion) ease;border:1px solid #0000;border-radius:9px;justify-content:center;align-items:center;gap:8px;padding:7px 14px;font-size:13px;font-weight:500;line-height:1.5;display:inline-flex}.button.primary{color:#fff;background:var(--ink);border-color:var(--ink)}.button.primary:hover{box-shadow:none;background:#333;border-color:#333}.button.secondary,.upload-button{color:var(--ink);background:var(--panel);border-color:var(--line)}.button.secondary:hover,.upload-button:hover{background:var(--surface-subtle);border-color:#d0d0d0}.notice{border:1px solid var(--line);background:var(--panel);min-height:42px;color:var(--muted);border-radius:14px;align-items:center;gap:10px;margin-bottom:20px;padding:10px 14px;font-size:12px;line-height:1.7;display:flex}.notice-dot{background:var(--faint);border-radius:50%;flex:none;width:7px;height:7px}.notice.passed{border-color:var(--success-soft);background:var(--surface-subtle);color:var(--success)}.notice.passed .notice-dot{background:var(--success)}.notice.failed{border-color:var(--danger-soft);background:var(--surface-subtle);color:var(--danger)}.notice.failed .notice-dot{background:var(--danger)}.workspace-grid{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:16px;display:grid}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.workspace-card{min-width:0;overflow:hidden}.tabs{border-bottom:1px solid var(--line);background:var(--panel);scrollbar-width:none;gap:4px;min-height:50px;padding:8px 12px;display:flex;overflow-x:auto}.tabs button{color:var(--muted);transition:color var(--motion) ease, background-color var(--motion) ease;background:0 0;border:0;border-radius:7px;flex:none;padding:6px 12px;font-size:12px}.tabs button:hover{color:var(--ink);background:var(--surface-subtle)}.tabs button.active{color:var(--ink);background:var(--accent-soft);font-weight:600}.tab-count{background:var(--surface-subtle);min-width:18px;color:var(--muted);border-radius:14px;margin-left:3px;padding:1px 5px;font-size:11px;display:inline-block}.editor-grid{grid-template-columns:1fr 1fr;min-height:680px;display:grid}.editor-pane,.preview-pane{flex-direction:column;min-width:0;display:flex}.editor-pane{border-right:1px solid var(--line)}.pane-heading{border-bottom:1px solid var(--surface-subtle);background:var(--panel);justify-content:space-between;align-items:center;gap:10px;min-height:42px;padding:10px 14px;display:flex}.pane-heading strong{color:var(--ink);font-size:13px}.pane-heading span{color:var(--faint);font-size:11px}.statement-editor{resize:vertical;width:100%;min-height:638px;color:var(--ink);background:var(--surface-subtle);tab-size:2;border:0;outline:0;flex:1;padding:18px;font:13px/1.75 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.statement-editor:focus{box-shadow:inset 3px 0 0 var(--accent)}.problem-preview{color:var(--ink);overflow-wrap:anywhere;padding:16px 22px 36px;font-size:14px;line-height:1.75;overflow:auto}.problem-preview h1{color:var(--ink);text-align:center;margin:0 0 22px;font-size:24px;font-weight:500}.problem-preview h2{color:var(--ink);border-bottom:1px solid var(--line);margin:26px 0 10px;padding-bottom:7px;font-size:18px;font-weight:500}.problem-preview h3{color:var(--ink);margin-top:20px;font-size:14px}.problem-preview p{margin:9px 0}.problem-preview pre{border:1px solid var(--line);background:var(--surface-subtle);color:var(--ink);border-radius:12px;margin:9px 0 16px;padding:13px 14px;font-size:13px;line-height:1.55;position:relative;overflow:auto}.problem-preview code:not(pre code){background:var(--surface-subtle);color:var(--danger);border-radius:12px;padding:2px 4px}.problem-preview table{border-collapse:collapse;width:max-content;max-width:100%;margin:12px 0 20px}.problem-preview th,.problem-preview td{border:1px solid var(--line);text-align:left;padding:7px 9px}.problem-preview img{max-width:100%;height:auto}.problem-preview a{color:var(--accent);text-decoration:none}.problem-preview a:hover{text-decoration:underline}.problem-preview ul,.problem-preview ol{padding-left:26px}.problem-preview .katex-display{max-width:100%;overflow-x:auto}.problem-preview [data-footnotes]{border-top:1px solid var(--line);margin-top:28px;padding-top:8px;font-size:13px}.problem-preview [data-footnotes] h2{font-size:14px}:is(.problem-preview pre:has(code[class*=language-input]),.problem-preview pre:has(code[class*=language-output])){background:var(--surface-subtle)}.problem-preview blockquote{border-left:3px solid var(--accent);color:var(--muted);background:var(--surface-subtle);margin:12px 0;padding:1px 15px}.tab-body{min-height:680px;padding:20px}.info-strip{border-left:3px solid var(--accent);background:var(--surface-subtle);color:var(--accent);border-radius:14px;margin-bottom:16px;padding:10px 12px;font-size:13px;line-height:1.6}.test-list{gap:13px;margin-bottom:15px;display:grid}.test-card{border:1px solid var(--line);background:var(--surface-subtle);border-radius:14px;padding:13px}.test-card-heading{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.test-card-heading strong{color:var(--accent);font-size:14px}.test-card-heading span{color:var(--faint);font:11px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.test-columns{grid-template-columns:1fr 1fr;gap:12px;display:grid}.test-columns label>span{color:var(--muted);margin-bottom:5px;font-size:12px;display:block}.test-columns textarea{resize:vertical;border:1px solid var(--line);background:var(--panel);width:100%;min-height:110px;color:var(--ink);border-radius:12px;outline:0;padding:9px;font:12px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.test-columns textarea:focus,.field input:focus{border-color:var(--accent);box-shadow:0 0 0 2px #00000012}.text-button{color:var(--accent);background:0 0;border:0;padding:7px 0 0;font-size:12px}.text-button.danger,.attachment-list button.danger{color:var(--danger)}.validation-body{padding:24px}.validation-summary{border:1px solid var(--line);background:var(--surface-subtle);align-items:flex-start;gap:14px;padding:18px;display:flex}.validation-summary.passed{border-color:var(--success-soft);background:var(--surface-subtle)}.validation-summary.failed{border-color:var(--danger-soft);background:var(--surface-subtle)}.summary-icon{width:30px;height:30px;color:var(--panel);background:var(--faint);border-radius:50%;flex:none;place-items:center;font-weight:700;display:grid}.passed .summary-icon{background:var(--success)}.failed .summary-icon{background:var(--accent)}.validation-summary strong{color:var(--ink);font-size:14px}.validation-summary p{color:var(--muted);margin:5px 0 0;font-size:13px}.issues-table{border-collapse:collapse;width:100%;margin-top:18px;font-size:13px}.issues-table th,.issues-table td{border:1px solid var(--line);text-align:left;padding:9px 10px}.issues-table th{background:var(--surface-subtle);color:var(--muted);font-weight:600}.issues-table code{color:var(--danger);font-size:12px}.evidence-grid{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px;display:grid}.evidence-grid div{border:1px solid var(--line);background:var(--panel);padding:13px}.evidence-grid span,.evidence-grid strong{display:block}.evidence-grid span{color:var(--faint);margin-bottom:5px;font-size:11px}.evidence-grid strong{color:var(--ink);font-size:13px}.current-reply{border:1px solid var(--line);background:#fff;max-height:420px;margin-top:14px;padding:14px;overflow:auto}.conversation-history{margin-top:14px;font-size:13px}.conversation-history summary,.sandbox-results summary{cursor:pointer;color:var(--accent)}.conversation-message{border-bottom:1px solid var(--line);padding:12px}.continue-form{border-top:1px solid var(--line);margin-top:16px;padding-top:16px}.continue-form>label{color:var(--ink);font-size:14px;font-weight:600}.continue-form p{color:var(--muted);font-size:13px}.continue-form textarea,.program-code{border:1px solid var(--line);resize:vertical;width:100%;min-height:120px;color:var(--ink);background:#fff;border-radius:14px;padding:12px;font-size:14px;line-height:1.65;display:block}.continue-form textarea:focus,.program-code:focus{outline:1px solid var(--accent)}.continue-options{justify-content:space-between;margin:4px 0 15px;display:flex}.reference-toolbar{align-items:end;gap:14px;margin-bottom:14px;display:flex}.program-code{background:var(--surface-subtle);tab-size:4;min-height:340px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.sandbox-results{margin-top:20px;font-size:13px}.sandbox-results details{border:1px solid var(--line);margin:12px 0;padding:12px}.sandbox-results .test-columns{margin-top:12px}.sandbox-results pre{white-space:pre-wrap;border:1px solid var(--line);background:var(--surface-subtle);max-height:240px;padding:12px;overflow:auto}.report-actions{color:var(--muted);align-items:center;gap:10px;margin-top:12px;display:flex}.sidebar{gap:13px;display:grid}.side-card{padding:15px}.side-card h2{color:var(--accent);margin:0 0 13px;font-size:14px;font-weight:600}.side-heading{justify-content:space-between;align-items:center;display:flex}.side-heading span{text-align:center;background:var(--surface-subtle);min-width:20px;color:var(--muted);border-radius:14px;padding:1px 5px;font-size:11px}.field{margin-bottom:11px;display:block}.field>span{color:var(--muted);margin-bottom:7px;font-size:12px;display:block}.field input,.field select{border:1px solid var(--line);width:100%;min-height:38px;color:var(--ink);background:var(--panel);border-radius:12px;outline:0;padding:8px 10px;font-size:13px}.field select{appearance:auto}.field-row{grid-template-columns:1fr 1fr;gap:9px;display:grid}.field-row .field{margin-bottom:0}.muted{color:var(--faint);margin:0 0 11px;font-size:12px;line-height:1.55}.attachment-list{gap:6px;margin:0 0 10px;padding:0;list-style:none;display:grid}.attachment-list li{border:1px solid var(--line);background:var(--surface-subtle);justify-content:space-between;align-items:center;gap:5px;padding:7px 8px;font-size:11px;display:flex}.attachment-list li>span{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.attachment-list button{color:var(--accent);background:0 0;border:0;padding:2px 3px;font-size:11px}.upload-button{text-align:center;cursor:pointer;display:block}.upload-button input{display:none}.workflow-list{gap:0;margin:0;padding:0;list-style:none;display:grid}.workflow-list li{min-height:52px;color:var(--faint);gap:10px;display:flex;position:relative}.workflow-list li:not(:last-child):after{content:"";background:var(--line);width:1px;position:absolute;top:25px;bottom:3px;left:11px}.workflow-list li>span{border:1px solid var(--line);background:var(--panel);width:23px;height:23px;color:var(--faint);z-index:1;border-radius:50%;place-items:center;font-size:11px;display:grid}.workflow-list li strong,.workflow-list li small{display:block}.workflow-list li strong{color:var(--muted);margin-top:2px;font-size:12px;font-weight:600}.workflow-list li small{color:var(--faint);margin-top:3px;font-size:11px}.workflow-list li.done>span,.workflow-list li.passed>span{border-color:var(--success);color:var(--panel);background:var(--success)}.workflow-list li.failed>span,.workflow-list li.active>span{border-color:var(--accent);color:var(--panel);background:var(--accent)}.workflow-list li.attention>span{border-color:var(--danger);color:var(--panel);background:var(--danger)}.button-link{justify-content:center;align-items:center;text-decoration:none;display:inline-flex}.settings-heading{align-items:flex-start}.settings-grid{grid-template-columns:minmax(0,1fr) minmax(280px,340px);align-items:start;gap:24px;display:grid}.settings-side{gap:16px;display:grid;position:sticky;top:16px}.settings-card{min-width:0;padding:28px}.settings-card h2{color:var(--accent);margin:0;font-size:15px;font-weight:600}.settings-card-heading{border-bottom:1px solid var(--surface-subtle);justify-content:space-between;align-items:flex-start;gap:20px;padding-bottom:18px;display:flex}.settings-card-heading p{color:var(--muted);margin:5px 0 0;font-size:12px}.status-badge{border:1px solid var(--line);color:var(--muted);background:var(--surface-subtle);border-radius:16px;flex:none;padding:4px 8px;font-size:11px}.status-badge.online{border-color:var(--success-soft);color:var(--success);background:var(--surface-subtle)}.status-badge.offline{border-color:var(--danger-soft);color:var(--danger);background:var(--surface-subtle)}.settings-field{margin:20px 0 0}.settings-field input,.settings-field select{height:38px;font:12px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.settings-field input[type=number]{font-variant-numeric:tabular-nums}.settings-card .settings-field small{color:var(--faint);margin-top:6px;font-size:11px;line-height:1.5;display:block}.ai-settings-form{min-width:0}.ai-profile-toolbar{align-items:end;gap:12px;display:flex}.ai-profile-toolbar .settings-field{flex:1;min-width:0}.ai-profile-toolbar .button{flex:none}.ai-form-grid{grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:12px;display:grid}.ai-form-grid .settings-field{min-width:0}.ai-form-grid select{text-overflow:ellipsis}.ai-budget-grid{border:1px solid var(--line);background:var(--surface-subtle);grid-template-columns:repeat(2,minmax(0,1fr));margin-top:18px;padding:15px}.ai-budget-grid .settings-field{margin-top:0}.ai-credentials-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}.compact-heading{gap:12px}.button.secondary.danger-button{border-color:var(--danger-soft);color:var(--danger)}.button.secondary.danger-button:hover{border-color:var(--danger);background:var(--surface-subtle)}.settings-help{color:var(--muted);margin:8px 0 0;font-size:12px;line-height:1.7}.settings-help code{background:var(--surface-subtle);color:var(--ink);border-radius:12px;padding:1px 4px;font-size:11px}.settings-actions{flex-wrap:wrap;gap:9px;margin-top:16px;display:flex}.connection-result{border:1px solid var(--line);background:var(--surface-subtle);min-height:38px;color:var(--muted);align-items:center;gap:8px;margin-top:18px;padding:9px 11px;font-size:12px;display:flex}.connection-result.online{border-color:var(--success-soft);background:var(--surface-subtle);color:var(--success)}.connection-result.online .notice-dot{background:var(--success)}.connection-result.offline{border-color:var(--danger-soft);background:var(--surface-subtle);color:var(--danger)}.connection-result.offline .notice-dot{background:var(--danger)}.settings-definition-list{border-top:1px solid var(--surface-subtle);margin:18px 0 0}.settings-definition-list div{border-bottom:1px solid var(--surface-subtle);grid-template-columns:135px minmax(0,1fr);gap:16px;padding:11px 0;display:grid}.settings-definition-list dt,.settings-definition-list dd{margin:0;font-size:12px;line-height:1.55}.settings-definition-list dt{color:var(--faint)}.settings-definition-list dd{overflow-wrap:anywhere;min-width:0;color:var(--ink)}.settings-definition-list.compact{margin-top:13px}.settings-definition-list.compact div{grid-template-columns:92px minmax(0,1fr)}.settings-definition-list dd.warning-text{color:var(--danger)}.service-state{border:1px solid var(--line);background:var(--surface-subtle);align-items:flex-start;gap:10px;margin-top:15px;padding:13px;display:flex}.service-dot{background:var(--faint);border-radius:50%;width:9px;height:9px;margin-top:3px}.service-dot.ready{background:var(--success)}.settings-card .service-state strong,.settings-card .service-state small{display:block}.settings-card .service-state strong{color:var(--ink);font-size:13px}.settings-card .service-state small{color:var(--faint);margin-top:4px;font-size:11px}.model-list{gap:5px;margin:12px 0 0;padding:0;list-style:none;display:grid}.model-list li{border:1px solid var(--line);background:var(--panel);color:var(--muted);padding:6px 8px;font:10px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.history-message{border:1px solid var(--line);background:var(--panel);color:var(--muted);margin-bottom:16px;padding:12px 14px;font-size:13px}.history-message.failed{border-color:var(--danger-soft);background:var(--surface-subtle);color:var(--danger)}.empty-history{text-align:center;min-height:360px;padding:70px 30px}.empty-history-mark{background:var(--surface-subtle);width:46px;height:46px;color:var(--accent);border-radius:16px;place-items:center;margin:0 auto 16px;font:700 24px Georgia,serif;display:grid}.empty-history h2{color:var(--accent);margin:0;font-size:17px;font-weight:500}.empty-history p{max-width:520px;color:var(--muted);margin:9px auto 20px;font-size:13px;line-height:1.7}.history-card{overflow:hidden}.history-summary{border-bottom:1px solid var(--line);background:var(--surface-subtle);justify-content:space-between;align-items:center;padding:13px 16px;display:flex}.history-summary span{color:var(--ink);font-size:13px;font-weight:600}.history-card .history-summary small{color:var(--faint);font-size:11px}.history-table-wrap{overflow-x:auto}.history-table{border-collapse:collapse;width:100%;font-size:12px}.history-table th,.history-table td{border-bottom:1px solid var(--line);text-align:left;vertical-align:middle;padding:17px 22px}.history-table th{color:var(--muted);background:var(--surface-subtle);white-space:nowrap;font-size:11px;font-weight:500}.history-table td{color:var(--muted)}.history-table tbody tr:hover{background:var(--surface-subtle)}.history-table td:first-child{min-width:210px}.history-table td:nth-child(4){white-space:nowrap}.history-table strong,.history-table code{color:var(--faint);font-size:11px}.history-table strong{color:var(--ink);margin-bottom:5px;font-size:13px;font-weight:500}.history-table code{color:var(--faint);font-size:9px}.run-status{background:var(--surface-subtle);color:var(--accent);white-space:nowrap;border-radius:12px;padding:3px 7px;display:inline-block}.run-status.passed{background:var(--surface-subtle);color:var(--success)}.run-status.failed,.run-status.attention{background:var(--surface-subtle);color:var(--danger)}.history-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.history-actions button,.history-actions a{color:var(--accent);white-space:nowrap;background:0 0;border:0;padding:0;font-size:12px;text-decoration:none}.history-actions button:hover,.history-actions a:hover{text-decoration:underline}.history-actions button.danger{color:var(--danger)}.confirmation-backdrop{z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:veil-in var(--motion) ease both;background:#00000038;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.confirmation-dialog{border-radius:28px;width:min(520px,100%);max-height:calc(100dvh - 40px);padding:32px;overflow-y:auto;box-shadow:0 32px 100px #00000024}.confirmation-heading span{color:var(--accent);letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:600}.confirmation-heading h2{color:var(--ink);letter-spacing:-.03em;overflow-wrap:anywhere;margin:8px 0 0;font-size:24px;font-weight:600}.confirmation-dialog p{color:var(--muted);margin:15px 0 10px;font-size:13px;line-height:1.7}.confirmation-dialog>code{border:1px solid var(--line);background:var(--surface-subtle);color:var(--muted);overflow-wrap:anywhere;padding:8px 10px;font-size:11px;display:block}.confirmation-actions{justify-content:flex-end;gap:9px;margin-top:18px;display:flex}.reference-toolbar .field{width:210px;margin:0}.reference-toolbar .status-badge{margin:auto 0 6px auto}.manual-layout{grid-template-columns:220px minmax(0,1fr);align-items:start;gap:20px;display:grid}.manual-layout>.workspace-card{grid-area:1/2;min-width:0}.manual-sidebar{grid-area:1/1;align-items:start;gap:20px;display:grid}.manual-side-card{padding:18px}.manual-side-card h2,.manual-section-heading h2{color:var(--accent);margin:0;font-size:14px;font-weight:600}.manual-side-card p,.manual-section-heading p{color:var(--muted);margin:5px 0 12px;font-size:12px;line-height:1.55}.manual-side-card .field{margin-top:15px}.manual-limit-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;display:grid}.manual-limit-grid .field{min-width:0}.manual-statement .editor-grid{min-height:540px}.manual-statement .statement-editor{min-height:500px}.manual-section,.manual-tab-body{padding:22px}.manual-tab-body{min-height:530px}.manual-section{border-top:1px solid var(--line)}.manual-section-heading,.manual-code-heading{justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:14px;display:flex}.manual-section-heading p{margin-bottom:0}.manual-file-button{white-space:nowrap;cursor:pointer;justify-content:center;align-items:center;display:inline-flex}.manual-file-button input{display:none}.manual-subtask input,.manual-subtask select,.manual-code-actions select,.history-table select{border:1px solid var(--line);background:var(--panel);min-height:33px;color:var(--ink);border-radius:12px;padding:5px 8px;font-size:13px}.manual-case-form{border:1px solid var(--line);background:var(--surface-subtle);border-radius:14px;margin:16px 0 28px;padding:18px}.manual-case-form-heading{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:16px;display:flex}.manual-case-form-heading h2{color:var(--accent);margin:0;font-size:14px}.manual-case-form-heading p{color:var(--accent);margin:5px 0 0;font-size:12px}.manual-case-form-heading>span{color:var(--faint);white-space:nowrap;font-size:11px}.manual-case-form-meta{grid-template-columns:minmax(0,1fr) 180px;gap:12px;display:grid}.manual-case-form-text{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.manual-case-form .field{min-width:0}.manual-case-form .field>span:first-child{color:var(--accent);font-weight:600}.manual-case-form textarea{border:1px solid var(--line);resize:vertical;background:var(--panel);width:100%;min-height:145px;color:var(--ink);border-radius:12px;padding:10px 12px;font:12px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;display:block}.manual-case-form textarea:disabled{background:var(--surface-subtle);color:var(--faint)}.manual-case-form .field>.manual-case-output-toggle{min-height:23px;color:var(--accent);align-items:center;gap:7px;font-size:12px;display:flex}.manual-case-output-toggle input{width:auto;height:auto;margin:0}.manual-case-form-actions{justify-content:flex-end;align-items:center;gap:12px;min-height:34px;display:flex}.manual-case-form-actions p{color:var(--danger);margin:0 auto 0 0;font-size:12px}.manual-tab-body .history-table-wrap{border:1px solid var(--line);margin:10px 0 28px}.manual-tab-body .history-table td:first-child{min-width:125px}.manual-tab-body .history-table td small{color:var(--faint);margin-top:3px;display:block}.manual-tab-body .history-table a{color:var(--accent);text-decoration:none}.manual-subtask{border:1px solid var(--line);background:var(--surface-subtle);align-items:flex-end;gap:12px;margin:10px 0;padding:10px;display:flex}.manual-subtask label{color:var(--muted);gap:5px;font-size:12px;display:grid}.manual-subtask input{width:95px}.manual-subtask .text-button{padding-bottom:7px}.manual-code-block{border:1px solid var(--line);background:var(--panel);border-radius:16px;margin:0 0 22px;overflow:hidden}.manual-code-heading{background:var(--surface-subtle);border-bottom:1px solid var(--line);align-items:center;margin:0;padding:13px 16px}.manual-code-heading h3{color:var(--accent);margin:0;font-size:14px}.manual-code-heading p{color:var(--accent);margin:4px 0 0;font-size:12px}.manual-code-actions{gap:9px;display:flex}.manual-code-editor{position:relative}.manual-code-editor .cm-editor{background:var(--panel);color:var(--ink);font:13px/22px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.manual-code-editor .cm-scroller{min-height:min(var(--editor-min-height), 65dvh);max-height:65dvh;overflow:auto}.manual-code-editor .cm-content{caret-color:var(--accent);padding:12px 0}.manual-code-editor .cm-line{padding:0 16px}.manual-code-editor .cm-gutters{color:#8a8a8a;background:#fafafa;border-right:1px solid #f0f0f0}.manual-code-editor .cm-editor .cm-content,.manual-code-editor .cm-editor .cm-gutters{font-family:inherit;font-size:13px;line-height:22px}.manual-code-editor .cm-lineNumbers .cm-gutterElement{min-width:36px;padding-inline:8px}.manual-code-editor .cm-activeLine,.manual-code-editor .cm-activeLineGutter{background:#f4f5f7}.manual-code-editor .cm-editor.cm-focused{outline:0}.manual-code-block:focus-within{border-color:#aaa}.manual-code-editor .cm-matchingBracket{color:inherit;background:#e1e7ef;border-radius:2px;outline:1px solid #b4bfcd}.manual-code-editor .cm-nonmatchingBracket{background:#ffebe9;outline:1px solid #cf222e}.manual-code-editor .cm-selectionBackground,.manual-code-editor .cm-focused .cm-selectionBackground{background:#dce5f1}.manual-code-editor .cm-tooltip{border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:8px;overflow:hidden;box-shadow:0 4px 20px #00000014}.manual-code-editor .cm-tooltip-autocomplete>ul>li{padding:4px 8px}.manual-code-editor .cm-tooltip-autocomplete>ul>li[aria-selected]{color:var(--ink);background:#ededed}.manual-code-editor .cm-completionDetail{color:var(--muted);margin-left:12px;font-size:11px}.code-editor-help{border-top:1px solid var(--line);color:var(--muted);background:#fafafa;margin:0;padding:8px 14px;font-size:10px;line-height:1.6}.code-keyword{color:#cf222e}.code-name{color:#24292f}.code-function{color:#8250df}.code-type{color:#953800}.code-string{color:#0a3069}.code-literal{color:#0550ae}.code-punctuation{color:#57606a}.code-meta{color:#0550ae}.code-comment{color:#6e7781;font-style:italic}.code-invalid{color:#cf222e;-webkit-text-decoration:underline wavy;text-decoration:underline wavy}.manual-generator-layout{grid-template-columns:minmax(0,1.5fr) minmax(360px,1fr);align-items:start;gap:18px;display:grid}.manual-generator-layout .manual-code-block{margin:0}.manual-generate-actions{justify-content:flex-end;margin-top:18px;display:flex}.manual-program-layout{grid-template-columns:212px minmax(0,1fr);align-items:start;gap:18px;display:grid}.manual-program-menu{border:1px solid var(--line);background:var(--panel);border-radius:16px;overflow:hidden}.manual-program-menu-title{color:var(--muted);letter-spacing:.04em;padding:13px 14px 10px;font-size:12px;font-weight:600}.manual-program-menu button{border:0;border-top:1px solid var(--surface-subtle);width:100%;min-height:62px;color:var(--accent);text-align:left;transition:background-color var(--motion) ease, color var(--motion) ease;background:0 0;border-left:3px solid #0000;flex-direction:column;justify-content:center;align-items:flex-start;gap:4px;padding:11px 13px;font-size:13px;line-height:1.35;display:flex}.manual-program-menu button small{color:var(--faint);font-size:11px;font-weight:400}.manual-program-menu button:hover,.manual-program-menu button:focus-visible{background:var(--surface-subtle);color:var(--accent)}.manual-program-menu button.active{border-left-color:var(--accent);background:var(--surface-subtle);color:var(--accent);font-weight:600}.manual-program-panel{min-width:0}.manual-program-panel .manual-code-block{margin:0}.manual-checker-presets{border:1px solid var(--line);background:var(--surface-subtle);margin-bottom:14px;padding:13px}.manual-checker-presets-heading{color:var(--accent);align-items:baseline;gap:10px;margin-bottom:10px;font-size:13px;display:flex}.manual-checker-presets-heading span{color:var(--muted);font-size:12px}.manual-checker-preset-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;display:grid}.manual-checker-preset-list button{border:1px solid var(--line);background:var(--panel);color:var(--accent);text-align:left;transition:border-color var(--motion) ease, background-color var(--motion) ease;gap:3px;padding:9px 10px;display:grid}.manual-checker-preset-list button:hover,.manual-checker-preset-list button:focus-visible{border-color:var(--accent);background:var(--surface-subtle)}.manual-checker-preset-list button strong{font-size:13px}.manual-checker-preset-list button span{color:var(--muted);font-size:12px}.manual-checker-replace{border:1px solid var(--danger);background:var(--surface-subtle);align-items:center;gap:8px;margin-top:10px;padding:9px;font-size:12px;display:flex}.manual-checker-replace span{flex:1}.manual-checker-replace .button{padding:5px 9px}.manual-optional{color:var(--faint);margin-left:7px;font-size:11px;font-weight:400}.manual-attachment{border:1px solid var(--line);justify-content:space-between;gap:8px;margin-top:7px;padding:7px 8px;font-size:12px;display:flex}.manual-attachment span{text-overflow:ellipsis;overflow:hidden}.manual-muted,.manual-error{color:var(--faint);margin:14px 0;font-size:13px}.history-empty{text-align:center;margin:0;padding:34px 16px}.manual-error{color:var(--danger)}.manual-report-status{border:1px solid var(--success-soft);background:var(--surface-subtle);color:var(--success);gap:5px;margin:18px 0;padding:14px;font-size:13px;display:grid}.manual-report-status.failed{border-color:var(--danger-soft);background:var(--surface-subtle);color:var(--danger)}.manual-report-status strong{font-size:14px}.manual-check-list{border:1px solid var(--line);max-height:550px;overflow:auto}.manual-check{border-bottom:1px solid var(--surface-subtle);grid-template-columns:minmax(170px,.3fr) minmax(0,1fr);gap:12px;padding:9px 12px;font-size:12px;display:grid}.manual-check.failed{background:var(--surface-subtle);color:var(--danger)}.manual-check.passed strong{color:var(--success)}.manual-check span{white-space:pre-wrap;overflow-wrap:anywhere}.manual-release-actions{flex-wrap:wrap;gap:9px;margin-top:18px;display:flex}.manual-record-card{margin-bottom:24px;padding:24px;overflow:hidden}.manual-record-card .history-table-wrap{margin:0 -24px -24px}.manual-chat-message-images,.manual-chat-pending-images{flex-wrap:wrap;gap:9px;margin-top:10px;display:flex}.manual-chat-message-images a,.manual-chat-pending-image{border:1px solid var(--line);background:var(--panel);width:144px;color:var(--accent);border-radius:14px;padding:5px;font-size:11px;text-decoration:none}.manual-chat-message-images img,.manual-chat-pending-image img{object-fit:contain;background:var(--surface-subtle);width:100%;height:92px;display:block}.manual-chat-message-images span,.manual-chat-pending-image span{text-overflow:ellipsis;white-space:nowrap;margin-top:5px;display:block;overflow:hidden}.manual-chat-pending-image{position:relative}.manual-chat-pending-image button{border:1px solid var(--line);background:var(--panel);width:22px;height:22px;color:var(--danger);border-radius:14px;font-size:17px;line-height:17px;position:absolute;top:7px;right:7px}.manual-chat-markdown>:first-child{margin-top:0}.manual-chat-markdown>:last-child{margin-bottom:0}.manual-chat-markdown h1,.manual-chat-markdown h2,.manual-chat-markdown h3{color:var(--ink);margin:18px 0 8px;line-height:1.35}.manual-chat-markdown h1{font-size:19px}.manual-chat-markdown h2{font-size:16px}.manual-chat-markdown h3{font-size:14px}.manual-chat-markdown p,.manual-chat-markdown ul,.manual-chat-markdown ol,.manual-chat-markdown blockquote,.manual-chat-markdown pre,.manual-chat-markdown table{margin:8px 0 12px}.manual-chat-markdown ul,.manual-chat-markdown ol{padding-left:24px}.manual-chat-markdown li+li{margin-top:3px}.manual-chat-markdown blockquote{border-left:3px solid var(--accent);color:var(--accent);padding:1px 12px}.manual-chat-markdown pre{border:1px solid var(--line);tab-size:4;background:#f8f9fb;border-radius:14px;max-width:100%;padding:16px 18px;font:13px/1.75 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow:auto}.manual-chat-markdown pre code{white-space:pre}.chat-code-block{border:1px solid var(--line);background:#f7f7f7;border-radius:14px;min-width:0;margin:12px 0;overflow:hidden}.chat-code-toolbar{border-bottom:1px solid var(--line);color:var(--muted);justify-content:space-between;align-items:center;gap:12px;padding:7px 12px 7px 18px;font-size:12px;display:flex}.chat-code-toolbar>span{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.chat-code-toolbar button{color:inherit;font:inherit;cursor:pointer;background:0 0;border:0;border-radius:8px;flex-shrink:0;align-items:center;gap:6px;padding:6px 8px;display:inline-flex}.chat-code-toolbar button:hover{color:var(--ink);background:#eaeaea}.chat-code-toolbar button:focus-visible{outline:2px solid var(--muted);outline-offset:2px}.chat-code-toolbar svg{width:15px;height:15px}.manual-chat-markdown .chat-code-block pre{background:0 0;border:0;border-radius:0;margin:0}.manual-chat-markdown .chat-code-block>[role=alert]{color:var(--danger);padding:0 18px;font-size:12px}.manual-chat-markdown :not(pre)>code{background:var(--surface-subtle);border-radius:14px;padding:1px 4px}.manual-chat-markdown table{border-collapse:collapse;max-width:100%;display:block;overflow-x:auto}.manual-chat-markdown th,.manual-chat-markdown td{border:1px solid var(--line);text-align:left;padding:6px 10px}.manual-chat-markdown th{background:var(--surface-subtle)}.manual-chat-markdown img{max-width:100%;height:auto}.manual-chat-markdown a{color:var(--accent)}.manual-chat-markdown .katex-display{max-width:100%;overflow-x:auto}.manual-chat-waiting{color:var(--accent);margin:4px 0 0}.manual-chat-pending-images{max-height:min(18dvh,115px);overflow-y:auto}.manual-chat-upload-input{display:none}.button:focus-visible,.tabs button:focus-visible,.history-actions a:focus-visible,.history-actions button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{border-color:var(--accent);outline:none;box-shadow:0 0 0 2px #00000014}.history-table tbody tr{transition:background-color var(--motion) ease}.contest-layout{grid-template-columns:260px minmax(0,1fr);align-items:start;gap:24px;display:grid}.contest-sidebar,.contest-main{min-width:0;padding:24px}.contest-sidebar form,.contest-list{gap:12px;display:grid}.contest-list{margin:16px 0 24px}.contest-list button{border:1px solid var(--border-color,var(--line));width:100%;color:inherit;text-align:left;cursor:pointer;background:0 0;border-radius:12px;justify-content:space-between;gap:12px;padding:12px;display:flex}.contest-list button.active{border-color:var(--accent);background:var(--surface-subtle)}.contest-add-row,.contest-bundle{align-items:center;gap:12px;margin:18px 0;display:flex}.contest-add-row select{flex:1;min-width:0}.contest-main .history-table td:first-child{min-width:54px}.tasks-layout{grid-template-columns:280px minmax(0,1fr);align-items:start;gap:24px;display:grid}.tasks-list,.tasks-detail{min-width:0}.tasks-list{gap:4px;padding:8px;display:grid}.tasks-list button{color:var(--ink);text-align:left;background:0 0;border:1px solid #0000;border-radius:12px;gap:5px;padding:12px;display:grid}.tasks-list button:hover,.tasks-list button.active{border-color:var(--line);background:var(--surface-subtle)}.tasks-list button small{color:var(--muted);font-size:12px}.tasks-detail{min-height:440px;padding:22px 24px}.tasks-detail-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:18px;padding-bottom:18px;display:flex}.tasks-detail h2{color:var(--ink);margin:5px 0 10px;font-size:19px}.tasks-error{border:1px solid var(--danger-soft);background:var(--surface-subtle);color:var(--danger);border-radius:12px;padding:11px 13px}.tasks-events{max-height:min(620px,67vh);margin-top:14px;overflow:auto}.tasks-event{border-bottom:1px solid var(--surface-subtle);white-space:pre-wrap;overflow-wrap:anywhere;grid-template-columns:82px minmax(0,1fr);gap:14px;padding:10px 2px;font-size:13px;line-height:1.55;display:grid}.tasks-event time{color:var(--muted);font-variant-numeric:tabular-nums}.tasks-event.failed{color:var(--danger)}.tasks-empty{color:var(--muted);text-align:center;padding:34px 20px;font-size:14px}.case-preview{box-shadow:none;margin-top:16px;padding:18px}.case-preview-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.case-preview-grid>div{min-width:0}.case-preview-grid strong{color:var(--accent);margin-bottom:7px;font-size:12px;display:block}.case-preview-grid pre{border:1px solid var(--line);background:var(--surface-subtle);min-height:118px;max-height:360px;color:var(--accent);border-radius:12px;margin:0;padding:12px;font:12px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow:auto}.manual-record-card .history-empty{text-align:center;padding:24px}.button:focus-visible,.tasks-list button:focus-visible,.history-actions button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.contest-main .history-table td:nth-child(4){white-space:normal;min-width:240px}.contest-balloon-fields{grid-template-columns:minmax(130px,1fr) 46px;align-items:end;gap:8px;display:grid}.contest-balloon-fields .field{min-width:0;margin:0}.contest-balloon-fields input[type=color]{padding:2px}.contest-balloon-fields button{grid-column:1/-1;justify-self:start}.contest-bundle{justify-content:space-between}.contest-history{margin-top:20px;padding:24px}.contest-create-dialog .field{margin-top:18px}.contest-create-dialog .field+.field{margin-top:13px}.contest-history-dialog{width:min(720px,100vw - 32px);max-height:calc(100vh - 32px);overflow:auto}.contest-history-list{border-top:1px solid var(--line);margin-top:18px}.contest-history-list .contest-bundle{border-bottom:1px solid var(--line);margin:0;padding:14px 0;font-size:13px}.scoring-options{gap:12px;margin:25px 0 8px;display:grid}.scoring-options button{border:1px solid var(--line);background:var(--panel);width:100%;color:var(--ink);text-align:left;border-radius:14px;align-items:center;gap:16px;padding:18px;display:flex}.scoring-options button:hover{background:var(--accent-soft);border-color:#cecece}.scoring-copy{flex:1}.scoring-symbol{background:var(--surface-subtle);width:48px;height:48px;color:var(--accent);border-radius:14px;flex:none;place-items:center;font:12px ui-monospace,monospace;display:grid}.scoring-options strong{font-size:14px;font-weight:550;display:block}.scoring-description{color:var(--muted);margin-top:4px;font-size:11px;line-height:1.7;display:block}.contest-add-row select{border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:12px;padding:8px 10px;font-size:12px}.contest-sidebar h2{margin:0;font-size:14px;font-weight:550}.contest-main{min-height:280px}.settings-side .status-badge{border-radius:12px;margin:18px 0 5px;line-height:1.7;display:inline-block}.settings-side .heading-actions{justify-content:flex-start;margin-top:20px}.manual-generator-layout,.manual-program-layout,.editor-grid,.field-row,.manual-case-form-text,.manual-code-heading>div:first-child,.test-columns>label{min-width:0}.manual-code-actions{flex:none}.tabs [role=tab][aria-selected=true]{color:var(--ink)}.history-table .danger{color:var(--danger);background:0 0;border:0;font-size:12px}.tasks-events{min-width:0}@media (width>=1800px){.manual-layout{grid-template-columns:270px minmax(0,1fr)}}@media (width<=1180px){:root{--content-gutter:56px}.manual-layout{grid-template-columns:220px minmax(0,1fr);gap:18px}.manual-side-card,.manual-tab-body,.manual-section{padding:20px}.manual-generator-layout{grid-template-columns:1fr}.manual-program-layout{grid-template-columns:170px minmax(0,1fr);gap:14px}.manual-code-heading{flex-wrap:wrap;gap:12px}.settings-grid{grid-template-columns:minmax(0,1fr) 280px}}@media (width<=940px){.settings-grid{grid-template-columns:1fr}.settings-side{position:static}.settings-side .settings-card{display:block}.manual-layout{grid-template-columns:1fr}.manual-layout>.workspace-card{grid-area:1/1}.manual-sidebar{grid-row:2;grid-template-columns:repeat(2,minmax(0,1fr))}.manual-generator-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.manual-code-actions{flex-wrap:wrap}.contest-layout,.tasks-layout{grid-template-columns:210px minmax(0,1fr);gap:16px}.contest-sidebar,.contest-main,.tasks-detail{padding:20px}.page-heading{flex-wrap:wrap;gap:16px}.page-heading h1{font-size:22px}}@media (width<=660px){:root{--content-gutter:40px}.page{padding-top:26px;padding-bottom:38px}.page-heading{margin-bottom:24px}.page-heading h1{font-size:22px}.page-heading p{font-size:12px}.heading-actions{justify-content:flex-start;gap:8px}.heading-actions .button{padding:9px 12px;font-size:11px}.manual-layout,.manual-sidebar,.editor-grid,.manual-generator-layout,.manual-program-layout,.case-preview-grid,.ai-form-grid,.settings-side,.contest-layout,.tasks-layout{grid-template-columns:1fr}.manual-sidebar{grid-row:2}.manual-sidebar>section:first-child{grid-column:1/-1}.manual-program-menu{display:flex;overflow-x:auto}.manual-program-menu-title{display:none}.manual-program-menu button{border-top:0;border-bottom:2px solid #0000;border-left:0;min-width:132px}.manual-program-menu button.active{border-bottom-color:var(--accent)}.manual-checker-preset-list{grid-template-columns:repeat(2,minmax(0,1fr))}.manual-checker-presets-heading,.manual-checker-replace,.manual-section-heading,.manual-case-form-heading{flex-wrap:wrap}.editor-pane{border-right:0;border-bottom:1px solid var(--line)}.manual-statement .editor-grid{min-height:0}.manual-statement .statement-editor{min-height:330px}.problem-preview{min-height:200px;padding:20px}.manual-section,.manual-tab-body,.settings-card,.contest-sidebar,.contest-main{padding:20px}.manual-case-form{padding:16px}.manual-case-form-meta,.manual-case-form-text,.test-columns{grid-template-columns:1fr}.manual-tab-body .history-table-wrap{margin-bottom:20px}.tabs{min-height:56px;padding:10px}.tabs button{padding:8px 13px}.manual-check{grid-template-columns:1fr;gap:6px}.tasks-events{max-height:65dvh}.tasks-detail-head{flex-wrap:wrap}.tasks-list{max-height:230px;overflow-y:auto}.confirmation-dialog{padding:24px}.scoring-options button{gap:12px;padding:14px}.scoring-symbol{width:38px;height:42px;font-size:11px}.scoring-description{font-size:11px}}@media (width<=380px){:root{--content-gutter:28px}}::selection{color:#151515;background:#dedede}.page{animation:page-in var(--motion-enter) var(--ease-out);width:100%;min-width:0;max-width:1440px;padding:28px 32px 48px}[role=tabpanel]{animation:page-in .2s var(--ease-out)}.scoring-options button{transition:background-color var(--motion) ease, border-color var(--motion) ease, transform var(--motion) var(--ease-spring)}.scoring-options button:active{transform:scale(.98)}.scoring-options button>svg{transition:transform var(--motion) var(--ease-out)}.scoring-options button:hover>svg{transform:translate(4px)}.confirmation-backdrop>.confirmation-dialog{animation:dialog-in .2s var(--ease-out) both}.motion-dialog{outline:none;width:min(520px,100% - 32px)}.motion-dialog::backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);animation:veil-in var(--motion) ease both;background:#00000038}.motion-dialog[data-closing=true]::backdrop{animation:veil-out var(--motion-exit) ease both}body:has(.motion-dialog[open]){overflow:hidden}.loading-icon{width:16px;height:16px;animation:.9s linear infinite spin}.field input,.field select{transition:background-color var(--motion) ease, border-color var(--motion) ease, box-shadow var(--motion) ease}.ai-budget-grid,.connection-result,.manual-checker-presets,.manual-check-list,.manual-report-status,.manual-attachment{border-radius:16px}.manual-checker-preset-list button{border-radius:12px}@keyframes page-in{0%{opacity:0}to{opacity:1}}@keyframes dialog-in{0%{opacity:0;transform:translateY(4px)scale(.99)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes veil-in{0%{opacity:0}to{opacity:1}}@keyframes veil-out{0%{opacity:1}to{opacity:0}}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=660px){:root{--radius:12px;--content-gutter:32px}.confirmation-dialog{border-radius:26px}.motion-dialog{padding:26px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}:root{--motion:0s;--motion-enter:0s;--motion-exit:0s;--motion-stagger:0s}[role=tabpanel],.confirmation-backdrop>.confirmation-dialog,.loading-icon{animation:none}}.visually-hidden{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app-shell{height:100dvh;min-height:0;transition:grid-template-columns .2s var(--ease-out);grid-template-columns:244px minmax(0,1fr);display:grid;overflow:hidden}.app-shell[data-collapsed=true]{grid-template-columns:0 minmax(0,1fr)}.app-sidebar{width:244px;min-height:0;color:var(--ink);transition:opacity var(--motion) ease, visibility var(--motion) ease;background:#f9f9f9;border:0;border-right:1px solid #ececec;flex-direction:column;padding:12px;display:flex;overflow:hidden}.app-sidebar[inert]{visibility:hidden;opacity:0}.sidebar-brand-row{justify-content:space-between;align-items:center;min-height:40px;margin-bottom:18px;padding:0 10px;display:flex}.sidebar-brand{color:var(--ink);letter-spacing:-.6px;font-size:19px;font-weight:600;text-decoration:none}.sidebar-new,.sidebar-nav a,.sidebar-project,.sidebar-settings{width:100%;min-height:38px;color:var(--ink);text-align:left;white-space:nowrap;transition:background-color var(--motion) ease;background:0 0;border:0;border-radius:8px;align-items:center;gap:10px;padding:8px 11px;font-size:13px;text-decoration:none;display:flex}.sidebar-new{margin-bottom:14px;font-weight:500}.sidebar-new>svg:last-child{width:15px;height:15px;color:var(--muted);margin-left:auto}.sidebar-nav{gap:2px;display:grid}.sidebar-new:hover,.sidebar-nav a:hover,.sidebar-project:hover,.sidebar-settings:hover{background:#ededed}.sidebar-nav a.active,.sidebar-project.active,.sidebar-settings.active{background:#e9e9e9}.sidebar-task-dot{background:var(--ink);border-radius:50%;width:5px;height:5px;margin-left:auto}.sidebar-scroll{scrollbar-width:thin;scrollbar-color:#d5d5d5 transparent;flex:1;min-height:0;margin-top:32px;overflow-y:auto}.sidebar-recents h2,.manual-chat-list-heading h2{color:var(--muted);margin:0 11px 8px;font-size:11px;font-weight:500}.sidebar-project{font-size:12px}.sidebar-project>span{text-overflow:ellipsis;min-width:0;overflow:hidden}.sidebar-project>svg{width:16px;height:16px;color:var(--muted)}.sidebar-empty,.manual-chat-list-empty{color:var(--muted);margin:8px 11px;font-size:12px;line-height:1.8}.sidebar-bottom{flex:none;padding-top:12px}.sidebar-workspace{border-top:1px solid var(--line);align-items:center;gap:10px;margin-top:12px;padding:14px 10px 4px;display:flex}.workspace-avatar{background:#fff;border:1px solid #dedede;border-radius:50%;place-items:center;width:30px;height:30px;font-size:12px;font-weight:600;display:grid}.sidebar-workspace strong{font-size:12px;font-weight:500;display:block}.sidebar-workspace small{color:var(--muted);font-size:10px;display:block}.workspace-status{border:1px solid #999;border-radius:50%;width:6px;height:6px;margin-left:auto}.workspace-status.ready{border-color:var(--ink);background:var(--ink)}.shell-main{overscroll-behavior-y:contain;background:var(--panel);flex-direction:column;min-width:0;height:100dvh;min-height:0;display:flex;overflow-y:auto;container-type:inline-size}.shell-main:has(.manual-chat-page){overflow:hidden}.shell-toolbar{z-index:10;background:var(--panel);flex:none;align-items:center;gap:12px;min-height:56px;padding:0 22px 0 14px;display:flex;position:sticky;top:0}.shell-page-title{color:#555;font-size:14px;font-weight:500}.shell-toolbar-tools{align-items:center;margin-left:auto;display:flex}.icon-button{width:34px;height:34px;color:var(--muted);transition:background-color var(--motion) ease, color var(--motion) ease;background:0 0;border:0;border-radius:8px;flex:none;justify-content:center;align-items:center;padding:7px;display:inline-flex}.icon-button:hover:not(:disabled){color:var(--ink);background:#f0f0f0}.icon-button:active:not(:disabled){background:#e7e7e7}.locale-switcher{isolation:isolate;border:1px solid var(--line);background:var(--panel);border-radius:9px;align-items:center;min-width:0;margin:0;padding:3px;display:flex;position:relative}.locale-switcher:before{content:"";z-index:-1;width:35px;transition:transform .18s var(--ease-out);background:#eee;border-radius:6px;position:absolute;top:3px;bottom:3px;left:3px}.locale-switcher[data-locale=en]:before{transform:translate(35px)}.locale-switcher button{width:35px;height:25px;color:var(--muted);background:0 0;border:0;border-radius:6px;padding:0;font-size:11px;font-weight:500}.locale-switcher button[aria-pressed=true],.locale-switcher button:hover{color:var(--ink)}.sidebar-drawer{width:min(280px,100vw - 56px);height:100dvh;max-height:100dvh;animation:drawer-in .2s var(--ease-out);outline:none;margin:0;position:fixed;inset:0 auto 0 0}.sidebar-drawer:not([open]){display:none}.sidebar-drawer::backdrop{animation:veil-in var(--motion) ease;background:#0000003d}body:has(.sidebar-drawer[open]){overflow:hidden}.workspace-home{width:min(860px,100%);padding:clamp(36px, 7dvh, 76px) 40px max(20px, env(safe-area-inset-bottom));flex-direction:column;display:flex}.workspace-home>*{flex-shrink:0}.home-projects{margin-bottom:32px}.home-heading{justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:26px;display:flex}.home-heading h1{letter-spacing:-.6px;margin:0;font-size:26px;font-weight:600}.home-heading>span{color:var(--muted);font-size:12px}.home-create{border:1px solid var(--line);background:var(--panel);width:100%;min-height:84px;color:var(--ink);text-align:left;transition:background-color var(--motion) ease, border-color var(--motion) ease;border-radius:14px;align-items:center;gap:16px;padding:20px 24px;display:flex}.home-create:hover{background:#fafafa;border-color:#cfcfcf}.home-create>svg:first-child{width:22px;height:22px}.home-create>svg:last-child{color:var(--muted);margin-left:auto}.home-create strong{font-size:14px;font-weight:500;display:block}.home-create small{color:var(--muted);margin-top:3px;font-size:11px;display:block}.home-quick-links{flex-wrap:wrap;gap:4px 12px;margin:12px 0 44px;display:flex}.home-quick-links a{color:var(--muted);transition:background-color var(--motion) ease, color var(--motion) ease;border-radius:7px;align-items:center;gap:7px;padding:6px 9px;font-size:12px;text-decoration:none;display:inline-flex}.home-quick-links a:hover{color:var(--ink);background:var(--surface-subtle)}.home-quick-links svg{width:15px;height:15px}.home-section-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;padding-bottom:14px;display:flex}.home-section-heading h2{white-space:nowrap;align-items:center;gap:10px;margin:0;font-size:13px;font-weight:500;display:flex}.home-section-heading h2 span{color:var(--muted);font-variant-numeric:tabular-nums;font-size:11px}.home-search{width:172px;min-width:0;color:var(--muted);transition:border-color var(--motion) ease;border:1px solid #0000;border-radius:8px;align-items:center;gap:7px;padding:5px 8px;display:flex}.home-search:focus-within{border-color:#aaa}.home-search>svg{flex:none;width:15px;height:15px}.home-search input{width:100%;min-width:0;color:var(--ink);background:0 0;border:0;outline:none;padding:0;font-size:12px}.home-search input:focus-visible{outline:none}.home-project-row{width:100%;min-height:74px;color:var(--ink);text-align:left;transition:background-color var(--motion) ease;background:0 0;border:0;border-bottom:1px solid #f0f0f0;border-radius:8px;align-items:center;gap:14px;padding:16px 12px;display:flex}.home-project-row:hover:not(:disabled){background:#f7f7f7}.home-project-row>svg:first-child{color:var(--muted)}.project-row-copy{flex:1;min-width:0}.project-row-copy strong{text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:500;display:block;overflow:hidden}.project-row-copy small{color:var(--muted);gap:8px;margin-top:3px;font-size:11px;display:flex}.home-project-row time{color:var(--muted);white-space:nowrap;font-size:11px}.project-row-arrow{width:15px;height:15px;color:var(--muted)}.home-empty{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:228px;padding:32px 16px;display:flex}.home-empty>svg{color:#888;width:26px;height:26px;margin-bottom:14px}.home-empty h3{margin:0 0 6px;font-size:13px;font-weight:500}.home-empty p{color:var(--muted);margin:0;font-size:12px}.home-all{color:var(--muted);align-items:center;gap:6px;margin-top:16px;font-size:12px;text-decoration:none;display:inline-flex}.home-all>svg{width:14px;height:14px}.home-status{border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap;align-items:center;gap:10px;margin-top:auto;padding-top:16px;font-size:11px;display:flex}.home-status a{color:inherit;align-items:center;gap:6px;text-decoration:none;display:inline-flex}.home-status svg{width:14px;height:14px}.manual-chat-page{flex-direction:column;flex:1;width:100%;max-width:none;min-height:0;padding:0;display:flex;overflow:hidden}.manual-chat-list-item{min-height:36px;transition:background-color var(--motion) ease;border-radius:8px;align-items:center;padding:0 6px 0 11px;display:flex}.manual-chat-list-item>button:first-child{min-width:0;color:var(--ink);text-align:left;text-overflow:ellipsis;white-space:nowrap;background:0 0;border:0;flex:1;padding:9px 0;font-size:12px;overflow:hidden}.manual-chat-list-item>button:last-child{width:26px;height:26px;color:var(--muted);border-radius:6px;flex:none;place-items:center;padding:5px;display:grid}.manual-chat-list-item>button:last-child svg{width:14px;height:14px}.manual-chat-list-item:hover,.manual-chat-list-item.active{background:#e9e9e9}.chat-toolbar{flex:none;justify-content:space-between;align-items:center;gap:14px;min-height:46px;padding:0 24px 8px;display:flex}.manual-chat-profile{min-width:0}.manual-chat-profile select{width:auto;max-width:min(480px,65vw);min-height:34px;color:var(--ink);text-overflow:ellipsis;background:0 0;border:0;border-radius:8px;padding:5px 6px;font-size:14px;font-weight:500}.manual-chat-layout,.manual-chat-main{flex-direction:column;flex:1;min-width:0;min-height:0;display:flex;overflow:hidden}.manual-chat-messages{overscroll-behavior-y:contain;scrollbar-width:thin;flex:1;min-height:0;padding:24px max(32px,50% - 370px);overflow-y:auto}.manual-chat-message{color:var(--ink);overflow-wrap:anywhere;animation:page-in var(--motion-enter) ease;margin:0 0 32px;font-size:14px;line-height:1.8}.manual-chat-message.user{background:#f4f4f4;border-radius:20px;width:fit-content;max-width:85%;margin-left:auto;padding:12px 18px}.manual-chat-message>small{color:var(--muted);margin-top:8px;font-size:10px;display:block}.manual-chat-message-heading{color:var(--muted);justify-content:space-between;align-items:center;gap:20px;margin-bottom:8px;font-size:11px;display:flex}.manual-chat-message-heading strong{font-weight:500}.manual-chat-message-heading button{color:var(--muted);white-space:nowrap;background:0 0;border:0;padding:0;font-size:11px}.manual-chat-message-heading button:hover{color:var(--ink);text-decoration:underline}.manual-chat-empty{text-align:center;padding:0 0 12px}.manual-chat-empty h2{letter-spacing:-.6px;margin:0 0 12px;font-size:28px;font-weight:500}.manual-chat-empty p{color:var(--muted);margin:0;font-size:13px}.manual-chat-composer{flex:none;width:min(788px,100%);margin:0 auto;padding:0 24px 14px}.composer-surface{background:var(--panel);transition:border-color var(--motion) ease;border:1px solid #dedede;border-radius:24px;padding:14px 12px 10px;box-shadow:0 2px 8px #00000008}.composer-surface:focus-within{border-color:#a6a6a6}.composer-surface textarea{width:100%;height:68px;min-height:44px;max-height:min(24dvh,220px);color:var(--ink);resize:vertical;background:0 0;border:0;outline:none;padding:2px 8px 10px;font-size:14px;line-height:1.7;display:block}.composer-surface textarea:focus-visible{outline:none}.manual-chat-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.manual-context-toggle{min-height:32px;color:var(--muted);align-items:center;gap:6px;font-size:11px;display:flex}.manual-context-toggle input{width:13px;height:13px;margin:0}.manual-chat-upload{border-radius:50%;order:-1}.chat-send{background:var(--ink);color:#fff;border-radius:50%;margin-left:auto}.chat-send:hover:not(:disabled){color:#fff;background:#383838}.chat-send:disabled{opacity:1;color:#929292;background:#e9e9e9}.chat-send[hidden]{display:none}.chat-status{color:var(--muted);text-align:center;margin-top:10px;font-size:12px;display:block}.chat-status a{color:inherit;text-underline-offset:3px}.manual-chat-context-note{color:var(--muted);text-align:center;margin:0;font-size:10px}.composer-footer{grid-template-columns:34px minmax(0,1fr) 34px;align-items:center;min-height:34px;margin-top:4px;display:grid}.composer-footer .manual-chat-context-note{grid-area:1/2}.chat-resume{border-radius:50%;grid-area:1/1}.chat-resume svg{width:17px;height:17px}.manual-chat-main.is-empty{justify-content:center;padding-bottom:min(13dvh,120px)}.is-empty .manual-chat-messages{flex:0 auto;padding-top:28px;padding-bottom:22px}@container (width<=1120px){.manual-layout{grid-template-columns:minmax(0,1fr)}.manual-layout>.workspace-card{grid-area:1/1}.manual-sidebar{grid-row:2;grid-template-columns:repeat(2,minmax(0,1fr))}}@container (width<=850px){.page-heading{flex-wrap:wrap;gap:16px}.settings-grid,.contest-layout,.tasks-layout,.manual-generator-layout{grid-template-columns:minmax(0,1fr)}.settings-side{position:static}.manual-program-layout{grid-template-columns:160px minmax(0,1fr)}.manual-code-heading{flex-wrap:wrap}}@container (width<=600px){.page{padding:24px 20px 40px}.page-heading h1{font-size:22px}.manual-sidebar,.editor-grid,.manual-program-layout,.manual-generator-layout,.manual-case-form-text,.ai-form-grid{grid-template-columns:minmax(0,1fr)}.manual-program-menu{display:flex;overflow-x:auto}.manual-program-menu button{min-width:132px}.editor-pane{border-right:0;border-bottom:1px solid var(--line)}.manual-tab-body,.manual-section,.manual-side-card{padding:18px}.manual-chat-page{padding:0}.workspace-home{padding-top:40px;padding-bottom:max(20px, env(safe-area-inset-bottom))}.settings-card-heading,.ai-profile-toolbar{flex-wrap:wrap}.settings-card{padding:20px}}@media (width<=760px){.app-shell{grid-template-columns:minmax(0,1fr)}.shell-toolbar{gap:8px;padding:0 14px 0 10px}.shell-page-title{font-size:13px}.home-heading h1{font-size:24px}.home-quick-links{gap:2px 5px;margin-bottom:32px}.home-create{padding:18px}.home-search{width:140px}.home-project-row{gap:10px;padding-inline:4px}.home-project-row time{font-size:10px}.project-row-arrow{display:none}.chat-toolbar{padding-inline:16px}.manual-chat-messages{padding:20px}.manual-chat-message.user{max-width:92%}.manual-chat-composer{padding-inline:16px;padding-bottom:max(12px, env(safe-area-inset-bottom))}.manual-chat-empty h2{font-size:24px}.manual-chat-empty p{font-size:12px}.manual-chat-main.is-empty{padding-bottom:8dvh}.manual-context-toggle{max-width:calc(100% - 88px);line-height:1.5}}@keyframes drawer-in{0%{opacity:0;transform:translate(-24px)}to{opacity:1;transform:translate(0)}}@media (prefers-reduced-motion:reduce){.app-shell,.app-sidebar,.locale-switcher:before{transition:none}.sidebar-drawer,.sidebar-drawer::backdrop,.manual-chat-message{animation:none}}.auth-page{background:var(--surface,#fff);flex-direction:column;min-height:100dvh;display:flex}.auth-header{justify-content:space-between;align-items:center;padding:24px 32px;display:flex}.auth-card{width:min(100% - 40px,360px);margin:auto;padding:40px 0;animation:.24s ease-out auth-enter}.auth-mark{color:#fff;background:#171717;border-radius:13px;place-items:center;width:40px;height:40px;margin-bottom:24px;font-size:20px;font-weight:600;display:grid}.auth-card h1{letter-spacing:-.6px;margin:0 0 12px;font-size:26px;line-height:1.3}.auth-card>p{color:var(--muted);margin:0 0 28px;font-size:13px;line-height:1.7}.auth-card form,.account-form{gap:18px;display:grid}.auth-card label,.account-form label,.user-create-form label{gap:9px;font-size:13px;font-weight:500;display:grid}.auth-card input,.account-form input,.user-create-form input,.user-create-form select,.users-card select{border:1px solid var(--line);width:100%;min-width:0;color:var(--ink);font:inherit;background:#fff;border-radius:10px;padding:11px 13px}.auth-card input:focus,.account-form input:focus{outline-offset:2px;outline:2px solid #1f1f1f}.auth-card .button{border-radius:11px;width:100%;min-height:43px}.auth-card small,.account-form small{color:var(--muted);font-size:12px}.auth-error{color:var(--danger);font-size:13px;line-height:1.6}.auth-footer{color:var(--muted);text-align:center;padding:24px;font-size:11px}.account-menu{position:relative}.account-trigger{cursor:pointer;border-radius:9px;list-style:none;transition:background .16s}.account-trigger::-webkit-details-marker{display:none}.account-trigger:hover{background:var(--surface-hover,#ededed)}.account-identity{flex:1;gap:3px;min-width:0;display:grid}.account-identity strong{text-overflow:ellipsis;overflow:hidden}.account-popover{border:1px solid var(--line);z-index:10;background:#fff;border-radius:12px;padding:5px;position:absolute;bottom:calc(100% + 8px);left:0;right:0;box-shadow:0 8px 30px #0000000d}.account-popover button{text-align:left;width:100%;font:inherit;cursor:pointer;background:0 0;border:0;border-radius:7px;padding:10px;font-size:13px}.account-popover button:hover{background:#f3f3f3}.users-card{margin-top:24px}.user-create-form{align-items:end;gap:14px;margin:24px 0;display:flex}.user-create-form label:first-child{flex:1}.user-create-form .button{min-height:42px}.users-card .history-table{min-width:620px}.users-card td select{min-width:110px}.users-card td small{color:var(--muted);margin-top:5px;display:block}.temporary-password{overflow-wrap:anywhere;background:#f4f4f4;border-radius:10px;padding:16px;display:block}@keyframes auth-enter{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@media (width<=600px){.auth-header{padding:20px}.user-create-form{flex-wrap:wrap}.user-create-form label:first-child{flex-basis:100%}.user-create-form .button{flex:1}}@media (prefers-reduced-motion:reduce){.auth-card{animation:none}}.problem-center{max-width:1180px}.problem-center-toolbar{color:var(--muted);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;padding:8px 0 22px;font-size:13px;display:flex}.problem-search{background:#f5f5f5;border-radius:12px;align-items:center;gap:9px;width:min(340px,65%);padding:10px 13px;display:flex}.problem-search input{width:100%;min-width:0;color:var(--ink);font:inherit;background:0 0;border:0;outline:none}.problem-search:focus-within{outline-offset:2px;outline:2px solid #b8b8b8}.problem-row{border-bottom:1px solid var(--line);align-items:center;gap:20px;padding:22px 8px;display:flex}.problem-row-main{text-align:left;min-width:0;color:inherit;font:inherit;cursor:pointer;background:0 0;border:0;border-radius:12px;flex:1;align-items:center;gap:17px;padding:6px;transition:background .16s;display:flex}.problem-row-main:hover{background:#f7f7f7}.problem-row-icon{border:1px solid var(--line);color:#666;border-radius:14px;flex-shrink:0;place-items:center;width:44px;height:44px;display:grid}.problem-row-content{gap:7px;min-width:0;display:grid}.problem-row-content strong{overflow-wrap:anywhere;font-size:15px;font-weight:550}.problem-row-content>span{color:var(--muted);overflow-wrap:anywhere;font-size:12px}.problem-tags{flex-wrap:wrap;gap:6px;display:flex}.problem-tags>span{background:#f3f3f3;border-radius:6px;padding:3px 7px}.problem-row-end{justify-items:end;gap:12px;display:grid}.problem-row-end time{color:var(--muted);font-size:12px}.release-list{gap:14px;display:grid}.release-card{border:1px solid var(--line);border-radius:16px;padding:22px}.release-card-heading{justify-content:space-between;align-items:start;gap:16px;display:flex}.release-card h3{overflow-wrap:anywhere;margin:0 0 8px;font-size:16px;font-weight:550}.release-card p{color:var(--muted);margin:0;font-size:12px;line-height:1.7}.release-verified{color:#5d5d5d;background:#f4f4f4;border-radius:7px;flex-shrink:0;padding:5px 9px;font-size:11px}.release-card-actions{border-top:1px solid #f0f0f0;flex-wrap:wrap;justify-content:space-between;gap:18px;margin-top:20px;padding-top:15px;display:flex}.release-card-actions .history-actions{flex-wrap:wrap}.account-form select,.preference-row select{border:1px solid var(--line);width:100%;min-width:0;color:var(--ink);font:inherit;background:#fff;border-radius:10px;padding:11px 13px}.dialog-subtitle{overflow-wrap:anywhere}.workspace-avatar{flex-shrink:0;overflow:hidden}.workspace-avatar img{object-fit:cover;width:100%;height:100%}.personal-settings{max-width:850px}.profile-section{border-bottom:1px solid var(--line);padding:30px 0}.profile-section h2{margin:0 0 20px;font-size:15px;font-weight:550}.profile-avatar-row{align-items:center;gap:24px;display:flex}.profile-avatar{width:80px;height:80px;font-size:28px}.profile-avatar-actions{gap:7px;display:grid}.profile-avatar-actions strong{font-size:16px;font-weight:550}.profile-avatar-actions>span{color:var(--muted);font-size:12px}.profile-avatar-actions .heading-actions{margin-top:9px}.preference-row{justify-content:space-between;align-items:center;gap:24px;display:flex}.preference-row h2{margin-bottom:8px}.preference-row .settings-help{margin:0}.preference-row select{width:180px;font-size:13px}.profile-save-row{justify-content:space-between;align-items:center;gap:20px;padding-top:28px;display:flex}.profile-save-row .button{flex-shrink:0}.visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=680px){.problem-row{flex-direction:column;align-items:stretch;gap:10px;padding:18px 0}.problem-row-end{justify-content:space-between;align-items:center;gap:8px;padding-left:67px;display:flex}.problem-row-content>span{line-height:1.7}.release-card{padding:17px}.preference-row{flex-direction:column;align-items:start;gap:14px}.preference-row select{width:100%}.profile-avatar-row{gap:18px}.profile-avatar{width:68px;height:68px}}