@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.47"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}*{box-sizing:border-box}:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:#222;background:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--bg: #fff;--sidebar: #f8f8f8;--surface: #f4f4f4;--hover: #ececec;--line: #e7e7e7;--text: #222;--muted: #858585;--button: #171717;--inverse: #fff;--shadow: 0 8px 32px #0000000b}:root[data-theme=dark]{color-scheme:dark;--bg: #202020;--sidebar: #181818;--surface: #2e2e2e;--hover: #383838;--line: #393939;--text: #ececec;--muted: #a0a0a0;--button: #eee;--inverse: #181818;--shadow: 0 8px 32px #0003;color:var(--text);background:var(--bg)}body{margin:0}button,input,textarea{font:inherit}button{cursor:pointer;color:inherit}button:disabled{cursor:not-allowed;opacity:.4}button,a,input,textarea{outline-offset:4px}button:focus-visible,a:focus-visible{outline:2px solid var(--muted)}button{border:0;background:none}a{color:inherit}button,textarea{-webkit-tap-highlight-color:transparent}.app{display:flex;height:100dvh;min-height:450px;background:var(--bg)}.sidebar{width:260px;flex-shrink:0;background:var(--sidebar);padding:19px 12px 12px;display:flex;flex-direction:column}.sidebar-top{height:47px;display:flex;align-items:flex-start;justify-content:space-between;padding:0 10px 0 12px;margin-bottom:19px}.brand{font-size:22px;font-weight:650;letter-spacing:-1px;text-decoration:none;display:flex;align-items:center;gap:4px}.brand-dot{font-size:10px;align-self:flex-start;margin-top:4px}.icon-button{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;flex-shrink:0;color:var(--muted)}.icon-button:hover{background:var(--hover);color:var(--text)}.nav-button{min-height:42px;display:flex;align-items:center;gap:11px;border-radius:8px;padding:10px 12px;text-align:left;font-size:14px}.nav-button:hover{background:var(--hover)}.shortcut{margin-left:auto;font-size:12px;color:#aaa}.history-heading{font-size:12px;color:var(--muted);padding:35px 12px 12px}.sidebar-empty{color:var(--muted);text-align:center;padding-top:33px}.sidebar-empty svg{opacity:.55}.sidebar-empty p{font-size:13px;margin:12px 0 5px}.sidebar-empty span{font-size:12px;color:#aaa}.profile{margin-top:auto;display:flex;align-items:center;gap:10px;padding:12px 9px 5px;border-top:1px solid var(--line)}.avatar{height:33px;width:33px;background:#e8e8e8;color:#555;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}.profile strong{font-size:13px;font-weight:500;display:block}.profile small{display:block;color:var(--muted);font-size:11px;margin-top:4px}.main{flex:1;min-width:0;display:flex;flex-direction:column;position:relative}.topbar{height:72px;min-height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 32px}.model-trigger{display:flex;gap:10px;align-items:center;font-size:19px;font-weight:550;padding:8px 10px;border-radius:9px}.model-trigger svg{color:var(--muted)}.model-trigger:hover{background:var(--surface)}.preview-label{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:20px;padding:5px 10px}.welcome{width:min(760px,calc(100% - 64px));margin:auto;transform:translateY(-28px);text-align:center}.welcome-mark{margin:0 auto 21px;color:var(--text);display:flex;justify-content:center}.welcome h1{font-weight:550;font-size:32px;letter-spacing:.4px;margin:0 0 15px}.welcome-subtitle{font-size:14px;color:var(--muted);margin:0 0 35px;letter-spacing:1px}.composer{border:1px solid var(--line);border-radius:25px;box-shadow:0 3px 12px #00000006;background:var(--bg);padding:17px 16px 12px;text-align:left}.composer:focus-within{border-color:#d2d2d2;box-shadow:0 3px 20px #00000008}.composer textarea{width:100%;border:0;outline:0;resize:none;min-height:50px;max-height:200px;background:transparent;color:var(--text);line-height:1.65;font-size:16px;padding:0 4px}.composer textarea::placeholder{color:#989898}.composer-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:8px}.composer-model{display:flex;align-items:center;gap:8px;font-size:13px;padding:7px 9px;color:#666}.send-button{width:35px;height:35px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--button);color:var(--inverse)}.suggestions{display:flex;justify-content:center;gap:11px;flex-wrap:wrap;margin-top:25px}.suggestions button{display:flex;gap:8px;align-items:center;border:1px solid var(--line);border-radius:22px;padding:10px 15px;font-size:13px;color:#777;transition:background .15s}.suggestions button:hover{background:var(--surface);color:var(--text)}footer{text-align:center;color:var(--muted);font-size:11px;padding:13px 10px 16px}@media(max-width:760px){.sidebar{display:none}.topbar{padding:0 16px}.welcome{width:calc(100% - 32px);transform:translateY(-20px)}.welcome h1{font-size:26px}.welcome-subtitle{margin-bottom:28px}.suggestions{gap:8px}.suggestions button{padding:9px 11px;font-size:12px}.welcome-mark{margin-bottom:20px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.topbar-left,.topbar-right{display:flex;align-items:center;gap:6px}.mobile-only{display:none}.brand{color:var(--text);padding:0}.history-list{flex:1;min-height:0;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--line) transparent;padding-bottom:15px}.history-item{display:flex;align-items:center;position:relative;border-radius:8px;min-height:39px;margin-bottom:3px}.history-item:hover,.history-item.selected{background:var(--hover)}.history-title{display:flex;align-items:center;gap:6px;min-width:0;flex:1;text-align:left;padding:11px 8px 11px 12px;font-size:14px}.history-title span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-more{width:29px;height:29px;opacity:0;margin-right:5px;color:var(--text)}.history-item:hover .history-more,.history-item:focus-within .history-more,.history-item.selected .history-more{opacity:1}.profile-button{width:100%;text-align:left;border-radius:9px;margin-top:0;padding:12px 9px 8px;min-height:62px}.profile-button:hover{background:var(--hover)}.profile-button>.lucide{margin-left:auto;color:var(--muted)}.profile-copy{min-width:0}.profile strong{font-size:14px;max-width:155px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile small{font-size:12px}.sidebar-empty p{font-size:14px}.shortcut{font-size:12px}.welcome-providers{display:flex;gap:15px;align-items:center;justify-content:center;margin-top:42px;color:var(--muted);font-size:12px;flex-wrap:wrap}.welcome-providers i{display:block;width:1px;height:12px;background:var(--line)}.welcome-providers button{display:flex;align-items:center;gap:5px;padding:0;font-size:12px;color:var(--muted)}.welcome-providers button:hover,.welcome-providers button.active{color:var(--text)}.suggestions button{font-size:14px;color:var(--muted)}.composer-controls{display:flex;align-items:center;gap:10px}.character-count{color:var(--muted);font-size:12px}.composer-model{font-size:14px;border-radius:15px;color:var(--muted)}.composer-model:hover{background:var(--surface);color:var(--text)}.send-button:hover{background:var(--button);color:var(--inverse);opacity:.8}.send-button:disabled{background:var(--surface);color:var(--muted);opacity:1}.composer textarea:focus-visible{outline:none}.composer textarea{min-height:45px;display:block;scrollbar-width:thin}.topbar .preview-label{font-size:12px}.main>footer{flex-shrink:0;font-size:12px}.tooltip{background:var(--button);color:var(--inverse);font-size:12px;padding:6px 10px;border-radius:7px;z-index:150;animation:fade-in .15s}.tooltip svg{fill:var(--button)}.menu{background:var(--bg);border:1px solid var(--line);padding:5px;border-radius:13px;min-width:196px;max-width:calc(100vw - 24px);box-shadow:0 5px 30px #00000017;z-index:110;animation:fade-in .12s;outline:none}.menu-item{display:flex;align-items:center;gap:11px;padding:10px 11px;font-size:14px;border-radius:8px;outline:none;cursor:pointer;min-height:38px}.menu-item[data-highlighted]{background:var(--surface)}.menu-item[data-disabled]{opacity:.4;cursor:default}.menu-label{font-size:12px;color:var(--muted);padding:10px 12px 7px}.menu-divider{height:1px;background:var(--line);margin:5px 4px}.danger{color:#c74040}.model-symbol{width:32px;height:34px;display:flex;align-items:center;justify-content:center}.model-option{width:208px;display:flex;flex-direction:column;gap:5px}.model-option strong{font-size:14px;font-weight:550;display:flex;align-items:center;gap:8px}.model-option small{font-size:11px;color:var(--muted);font-weight:400}.model-option>span{font-size:12px;color:var(--muted)}.model-option+.lucide{margin-left:auto}.menu:has(.model-option){min-width:307px}.conversation-scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--line) transparent}.conversation{max-width:760px;margin:0 auto;padding:27px 0 5px}.message{position:relative;margin-bottom:28px;font-size:16px;line-height:1.8;min-width:0}.message-user{display:flex;align-items:flex-end;flex-direction:column;margin-top:5px}.user-bubble{background:var(--surface);border-radius:22px;padding:12px 20px;max-width:85%;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8}.message-actions{display:flex;align-items:center;gap:1px;min-height:32px;margin-top:7px;color:var(--muted)}.message-actions .icon-button{height:29px;width:29px;border-radius:7px}.user-actions{opacity:0;transition:opacity .15s;min-height:26px;margin-top:5px}.message-user:hover .user-actions,.message-user:focus-within .user-actions{opacity:1}.user-actions:has(.version-controls){opacity:1}.assistant-label{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:550;margin-bottom:13px}.assistant-label svg{color:var(--text)}.markdown{overflow-wrap:anywhere;min-width:0;line-height:1.85}.markdown>:first-child{margin-top:0}.markdown>:last-child{margin-bottom:0}.markdown p{margin:0 0 17px}.markdown h1{font-size:25px}.markdown h2{font-size:21px}.markdown h3{font-size:18px}.markdown h1,.markdown h2,.markdown h3{line-height:1.5;margin:27px 0 12px;font-weight:600}.markdown strong{font-weight:620}.markdown ul,.markdown ol{padding-left:25px;margin:10px 0 20px}.markdown li{padding-left:3px;margin:6px 0}.markdown li>p{margin:0}.markdown a{text-underline-offset:3px;color:var(--text);overflow-wrap:anywhere}.markdown blockquote{border-left:3px solid var(--line);color:var(--muted);padding:0 0 0 15px;margin:12px 0 23px}.markdown blockquote p{font-size:14px}.markdown code{background:var(--surface);padding:2px 5px;border-radius:4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.875em}.markdown hr{height:1px;border:0;background:var(--line);margin:24px 0}.table-wrap{overflow-x:auto;margin:19px 0 25px}.markdown table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.6}.markdown th,.markdown td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;min-width:95px}.markdown th{font-weight:550;background:var(--surface)}.code-block{margin:20px 0 24px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--sidebar)}.code-toolbar{display:flex;align-items:center;justify-content:space-between;padding:9px 14px;background:var(--surface);font-size:12px;color:var(--muted)}.code-toolbar button{display:flex;align-items:center;gap:5px;font-size:12px;padding:3px 0}.copied-code-label,.copy-code-error,.code-toolbar button[data-copied=true] .copy-code-label{display:none}.code-toolbar button[data-copied=true] .copied-code-label{display:flex;align-items:center;gap:4px}.code-toolbar button[data-copied=error] .copy-code-label{display:none}.code-toolbar button[data-copied=error] .copy-code-error{display:block}.code-block pre{overflow-x:auto;padding:16px 19px;margin:0;font-size:14px;line-height:1.7;-moz-tab-size:2;tab-size:2}.code-block pre code{padding:0;background:none;font-size:inherit;white-space:pre;overflow-wrap:normal}.hljs-keyword,.hljs-selector-tag,.hljs-built_in{color:#9c4299}.hljs-string,.hljs-attr{color:#387b5c}.hljs-title,.hljs-function{color:#4965a1}.hljs-number,.hljs-literal{color:#a46a38}.hljs-comment{color:#888}:root[data-theme=dark] .hljs-keyword,:root[data-theme=dark] .hljs-built_in{color:#ca9fd2}:root[data-theme=dark] .hljs-string,:root[data-theme=dark] .hljs-attr{color:#a4cbb1}:root[data-theme=dark] .hljs-title{color:#a7bbdf}.katex-display{overflow-x:auto;overflow-y:hidden;padding:4px 0}.assistant-actions{margin-left:-5px}.is-active{color:var(--text);background:var(--surface)}.version-controls{display:flex;align-items:center;color:var(--muted);gap:0;margin-left:5px}.version-controls span{font-size:12px;min-width:34px;text-align:center}.version-controls .icon-button{width:23px}.message-status{font-size:12px;color:var(--muted);margin-top:12px}.message-error,.stream-error{display:flex;align-items:center;gap:7px;color:#b6534c;font-size:13px;margin-top:12px}.message-error{line-height:1.5}.stream-error{margin:0 0 10px;padding:0 5px}.stream-error span{flex:1}.stream-error button{display:flex;padding:4px}.bottom-area{position:relative;width:min(760px,calc(100% - 64px));margin:0 auto;flex-shrink:0;padding-top:12px;background:var(--bg)}.bottom-area:before{content:"";position:absolute;bottom:100%;left:0;right:0;height:18px;pointer-events:none;background:linear-gradient(transparent,var(--bg))}.bottom-area .composer{box-shadow:none}.bottom-area .composer textarea{min-height:42px}.conversation-end{height:4px}.scroll-bottom{position:absolute;left:50%;transform:translate(-50%);top:-36px;background:var(--bg);color:var(--text);border:1px solid var(--line);box-shadow:0 2px 6px #00000008;border-radius:50%;z-index:1}.thinking{display:flex;align-items:center;color:var(--muted);font-size:14px;gap:10px;min-height:34px}.thinking-dot{width:9px;height:9px;border-radius:50%;background:var(--text);animation:pulse 1.5s infinite}.tiny-loader{width:6px;height:6px;flex-shrink:0;border-radius:50%;background:var(--muted);animation:pulse 1.5s infinite}.generation-notice{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted);padding:0 7px 12px}.generation-notice span{flex:1}.generation-notice button{font-size:12px;text-decoration:underline;text-underline-offset:3px}.generation-recovery{display:flex;align-items:center;gap:7px;padding:8px 12px;color:var(--muted);font-size:12px}.archived-notice{border:1px solid var(--line);border-radius:18px;padding:20px;font-size:14px;display:flex;align-items:center;gap:10px;color:var(--muted);flex-wrap:wrap}.archived-notice button{margin-left:auto;color:var(--text);text-decoration:underline;text-underline-offset:4px}.edit-message{width:100%;padding:16px;background:var(--surface);border-radius:19px}.edit-message textarea{width:100%;border:0;background:transparent;resize:vertical;min-height:100px;max-height:350px;color:var(--text);font-size:16px;line-height:1.7;outline:none}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0005;z-index:80;animation:fade-in .15s;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--bg);border:1px solid var(--line);border-radius:19px;box-shadow:0 20px 70px #0002;width:min(460px,calc(100vw - 32px));max-height:calc(100dvh - 48px);overflow-y:auto;z-index:90;padding:23px;animation:fade-in .17s;outline:none}.modal-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:15px}.modal-heading h2{font-weight:550;font-size:19px;margin:0}.modal-heading>.icon-button{margin:-5px -6px -5px 0}.modal-description{font-size:14px;line-height:1.7;color:var(--muted);margin:-4px 0 22px;overflow-wrap:anywhere}.text-input{width:100%;padding:12px 14px;font-size:15px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--text);outline:none;line-height:1.5}.text-input:focus{border-color:var(--muted)}.button-row{display:flex;justify-content:flex-end;gap:8px;margin-top:22px}.primary-button,.secondary-button,.danger-button{font-size:14px;border-radius:22px;padding:10px 19px;min-height:40px;display:inline-flex;align-items:center;justify-content:center;gap:8px;line-height:1.5}.primary-button{background:var(--button);color:var(--inverse)}.primary-button:hover{opacity:.85}.secondary-button{border:1px solid var(--line);background:var(--bg)}.secondary-button:hover{background:var(--surface)}.danger-button{background:#be4545;color:#fff}.danger-button:hover{background:#a33d3d}.toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%);background:var(--button);color:var(--inverse);padding:12px 19px;border-radius:13px;font-size:14px;display:flex;align-items:center;gap:10px;box-shadow:0 5px 20px #0002;z-index:200;max-width:calc(100vw - 30px);animation:fade-in .18s;line-height:1.6}.toast svg{flex-shrink:0}.search-modal{width:min(580px,calc(100vw - 30px));padding:20px 15px 12px}.search-modal .modal-heading{padding:0 9px;margin-bottom:18px}.search-field{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 9px;display:flex;align-items:center;gap:12px;color:var(--muted)}.search-field input{border:0;background:none;min-width:0;flex:1;font-size:16px;color:var(--text);outline:none}.search-field kbd{font-size:10px;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:2px 4px}.search-results{max-height:390px;min-height:210px;overflow-y:auto;padding-top:8px}.search-results>button{display:flex;gap:13px;align-items:center;width:100%;padding:13px 11px;text-align:left;border-radius:10px}.search-results>button:hover{background:var(--surface)}.search-results>button>span{flex:1;min-width:0}.search-results strong{font-size:14px;font-weight:450;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.search-results small{font-size:12px;color:var(--muted);display:block;margin-top:5px}.search-results svg{color:var(--muted);flex-shrink:0}.empty-state{text-align:center;color:var(--muted);padding:35px 10px}.empty-state p{font-size:14px;margin:13px 0 7px;color:var(--text)}.empty-state span{font-size:12px}.settings-modal{width:min(680px,calc(100vw - 32px));padding:24px}.settings-layout{display:flex;gap:25px;min-height:300px}.settings-nav{width:143px;flex-shrink:0;display:flex;flex-direction:column;gap:5px}.settings-nav button{display:flex;align-items:center;gap:10px;border-radius:8px;padding:11px;font-size:14px;text-align:left;white-space:nowrap}.settings-nav button.selected,.settings-nav button:hover{background:var(--surface)}.settings-content{flex:1;min-width:0;padding-top:7px}.settings-content h3{font-size:15px;font-weight:550;margin:0 0 10px}.settings-content p{font-size:14px;line-height:1.75;color:var(--muted);margin:0 0 20px}.theme-options{display:flex;gap:9px}.theme-options button{border:1px solid var(--line);border-radius:10px;padding:14px 7px;display:flex;align-items:center;flex-direction:column;gap:10px;position:relative;font-size:13px;flex:1;min-width:0;color:var(--muted)}.theme-options button.selected{border-color:var(--text);color:var(--text)}.theme-options button>svg:last-child:not(:first-child){position:absolute;right:5px;top:5px}.settings-separator{height:1px;background:var(--line);margin:25px 0}.shortcut-row{display:flex;justify-content:space-between;align-items:center;font-size:13px;gap:10px;margin:17px 0}.shortcut-row kbd{font:11px inherit;color:var(--muted);text-align:right;white-space:nowrap}.usage-heading{display:flex;align-items:center;justify-content:space-between;font-size:14px;margin:24px 0 12px}.usage-heading strong{font-size:18px;font-weight:500}.usage-heading small{font-size:12px;font-weight:400;color:var(--muted)}.usage-bar{height:5px;border-radius:5px;background:var(--surface);overflow:hidden;margin-bottom:13px}.usage-bar span{display:block;height:100%;background:var(--button)}.settings-content .small-note,.small-note{font-size:12px;line-height:1.7;color:var(--muted)}.archive-row{display:flex;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);gap:4px}.archive-row>button:first-child{font-size:14px;flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;text-align:left}.auth-modal{max-width:410px;padding:28px}.field-label{font-size:14px;display:block;margin-bottom:18px}.field-label input{margin-top:9px}.auth-submit{width:100%;margin-top:5px}.auth-error{font-size:13px;color:#b6534c;line-height:1.6}.auth-switch{font-size:13px;text-align:center;color:var(--muted);margin:23px 0 0}.auth-switch button{font-size:13px;margin-left:5px;text-decoration:underline;text-underline-offset:3px;color:var(--text)}.loading-area,.page-error{margin:auto;text-align:center;display:flex;flex-direction:column;align-items:center;gap:15px;color:var(--muted);font-size:14px;padding:25px}.page-error h2{font-size:22px;font-weight:500;color:var(--text);margin:0}.page-error p{margin:0 0 10px}.mobile-sidebar{position:fixed;left:0;top:0;bottom:0;z-index:100;width:285px;outline:none;height:100dvh}.spin{animation:spin 1s linear infinite}.mobile-overlay{-webkit-backdrop-filter:none;backdrop-filter:none}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{50%{opacity:.3}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@media(min-width:761px)and (max-width:1150px){.conversation{padding-left:32px;padding-right:32px}.suggestions{gap:8px}.suggestions button{font-size:13px;padding:10px 12px}.welcome-providers{gap:11px}}@media(max-width:760px){.desktop-sidebar{display:none}.mobile-sidebar{display:flex}.mobile-only{display:inline-flex}.desktop-only{display:none}.topbar{height:62px;min-height:62px;padding:0 13px}.topbar-left,.topbar-right{gap:0}.topbar .model-trigger{font-size:17px;padding:8px 9px;gap:6px}.topbar .preview-label{font-size:11px;padding:4px 7px;margin-right:7px}.welcome{width:calc(100% - 32px);transform:translateY(-10px)}.welcome h1{font-size:26px;letter-spacing:0}.welcome-mark{margin-bottom:22px}.welcome-mark svg{height:34px;width:34px}.welcome-subtitle{font-size:14px;margin-bottom:28px}.composer{border-radius:23px;padding:15px 13px 11px}.composer textarea{font-size:16px}.suggestions{max-width:350px;margin:21px auto 0;gap:9px}.suggestions button{font-size:13px;padding:10px 13px}.welcome-providers{column-gap:13px;row-gap:13px;margin:32px auto 0;max-width:330px}.welcome-providers>span{width:100%;font-size:12px}.welcome-providers i{display:none}.welcome-providers button{font-size:12px}.conversation{padding:17px 20px 4px;width:100%}.message{margin-bottom:22px;line-height:1.8}.user-bubble{max-width:92%;padding:10px 15px;border-radius:19px}.user-actions{opacity:1}.message-actions .icon-button{width:31px;height:32px}.bottom-area{width:calc(100% - 24px);padding-top:8px}.bottom-area .composer textarea{min-height:39px}.main>footer{font-size:10px;padding:10px 7px 11px}.markdown{line-height:1.8}.code-block pre{font-size:13px;padding:13px}.markdown table{font-size:13px}.settings-modal{padding:20px}.settings-layout{display:block;min-height:320px}.settings-nav{width:100%;flex-direction:row;gap:5px;border-bottom:1px solid var(--line);padding-bottom:13px;margin-bottom:20px}.settings-nav button{padding:9px 10px;font-size:13px;gap:7px}.settings-content{padding:0 3px}.settings-content .empty-state{padding-top:30px}.history-more{opacity:1}.toast{bottom:24px;font-size:13px}.message-user:focus-within .user-actions{opacity:1}.menu:has(.model-option){min-width:290px}.model-option{width:195px}}@media(max-height:650px){.welcome{transform:none}.welcome-mark{margin-bottom:15px}.welcome-providers{margin-top:23px}.welcome-subtitle{margin-bottom:24px}.welcome h1{font-size:27px}.main>footer{padding-bottom:10px}}.welcome h1{margin-bottom:30px}.menu:has(.model-option){min-width:240px;padding:6px}.model-option{width:146px;gap:2px}.model-symbol{width:26px;height:29px}.model-option strong{font-size:15px}.attach-button{width:35px;height:35px;border-radius:50%}.attach-button:hover{background:var(--surface)}.composer-tools{display:flex;align-items:center;gap:8px;min-width:0}.reasoning-trigger{display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 10px;border-radius:18px;color:var(--text);border:1px solid var(--line);font-size:12px;white-space:nowrap}.reasoning-trigger:hover{background:var(--surface)}.web-search-trigger{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 9px;border:1px solid var(--line);border-radius:18px;color:var(--text);font-size:12px;white-space:nowrap}.web-search-trigger:hover:not(:disabled){background:var(--surface)}.web-search-trigger[data-mode=on]{background:var(--surface);border-color:var(--muted)}.web-search-menu{min-width:245px}.web-search-option{justify-content:space-between}.web-search-option>span:first-child{display:grid;gap:3px}.web-search-option strong{font-size:13px;font-weight:500}.web-search-option small{color:var(--muted);font-size:11px}.web-search-activity{margin:-3px 0 18px;color:var(--muted);font-size:12px}.web-search-status{display:flex;align-items:center;gap:7px}.web-search-calls{margin:10px 0 0;padding:0 0 0 13px;border-left:1px solid var(--line);list-style:none;display:grid;gap:10px}.web-search-calls li{min-width:0;overflow-wrap:anywhere}.web-call-heading{display:flex;gap:10px;font-size:11px;color:var(--muted)}.web-search-calls p{margin:3px 0 0;color:var(--text);font-size:12px;line-height:1.6}.web-search-calls a{display:inline-block;margin-top:3px;text-underline-offset:3px}.web-sources{margin:18px 0 3px;color:var(--muted);font-size:12px}.web-sources>summary{display:flex;width:fit-content;align-items:center;gap:6px;cursor:pointer;list-style:none;padding:5px 0}.web-sources>summary::-webkit-details-marker{display:none}.web-sources>summary>svg:first-child{transition:transform .12s ease}.web-sources[open]>summary>svg:first-child{transform:rotate(90deg)}.web-source-list{display:grid;gap:5px;list-style:none;padding:0;margin:10px 0}.web-source-list a{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:10px;padding:10px 12px;text-decoration:none}.web-source-list a:hover{background:var(--surface)}.web-source-number{flex:none;width:19px;height:19px;border-radius:50%;background:var(--surface);display:grid;place-items:center;font-size:10px}.web-source-text{display:grid;gap:3px;min-width:0;flex:1;overflow-wrap:anywhere;color:var(--text);line-height:1.5}.web-source-text small{color:var(--muted);font-size:11px}.web-source-list a>svg{flex:none}.web-source-heading{margin:14px 0 6px;color:var(--muted);font-size:11px}.markdown a.web-citation{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:17px;padding:0 5px;margin:0 2px;border-radius:8px;background:var(--surface);color:var(--muted);font-size:10px;line-height:1;text-decoration:none;vertical-align:super}.markdown a.web-citation:hover{background:var(--hover);color:var(--text)}.markdown a.web-citation-link{text-decoration-style:dotted;text-underline-offset:3px}@media(max-width:600px){.composer-tools{gap:5px;flex-wrap:wrap}.reasoning-trigger,.web-search-trigger{padding:0 8px;gap:5px;font-size:11px}.composer-bottom{gap:7px;align-items:flex-end}.composer-controls{flex-shrink:0}}.effort-option{flex:1;min-width:90px}.effort-meter{display:flex;align-items:end;gap:3px;width:23px;height:16px}.effort-meter i{width:3px;height:6px;border-radius:2px;background:var(--line)}.effort-meter i:nth-child(2){height:9px}.effort-meter i:nth-child(3){height:12px}.effort-meter i:nth-child(4){height:15px}.effort-meter i[data-active=true]{background:currentColor}.model-unavailable{margin-left:auto;font-size:11px;color:var(--muted)}.model-trigger>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar .model-trigger{min-width:0;max-width:min(340px,60vw)}.assistant-label .answer-effort{color:var(--muted);font-size:11px;font-weight:400}.reasoning-summary{margin:-6px 0 18px;color:var(--muted);font-size:13px}.reasoning-summary>summary{display:flex;align-items:center;gap:7px;width:fit-content;padding:5px 0;cursor:pointer;list-style:none}.reasoning-summary>summary::-webkit-details-marker{display:none}.reasoning-summary>summary:hover{color:var(--text)}.reasoning-summary>summary>svg{transition:transform .12s ease}.reasoning-summary[open]>summary>svg{transform:rotate(90deg)}.reasoning-summary-content{border-left:2px solid var(--line);padding:4px 0 4px 17px;margin:8px 0 0 6px;max-height:340px;overflow:auto;overflow-wrap:anywhere}.reasoning-summary-content .markdown{color:var(--muted);font-size:13px;line-height:1.75}.summary-streaming{display:inline-flex;align-items:center;gap:6px;font-size:11px}.menu:has(.model-option){max-height:min(540px,var(--radix-dropdown-menu-content-available-height));overflow-y:auto}.attachment-list{display:flex;align-items:flex-start;gap:10px;flex-wrap:wrap;min-width:0;max-width:100%}.draft-files{margin:0 3px 16px}.message-files{justify-content:flex-end;margin-bottom:10px}.file-chip{position:relative;display:flex;align-items:center;gap:11px;padding:10px 14px 10px 10px;width:230px;max-width:100%;min-height:66px;border:1px solid var(--line);border-radius:15px;background:var(--bg);text-align:left}.file-open{display:flex;align-items:center;gap:11px;min-width:0;width:100%;padding:0;text-align:left}.file-open:hover strong{text-decoration:underline;text-underline-offset:3px}.file-icon{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;background:var(--surface);flex-shrink:0}.file-copy{display:flex;flex:1;min-width:0;flex-direction:column;gap:5px}.file-copy strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:550;line-height:1.3}.file-copy small{font-size:11px;line-height:1.4;color:var(--muted)}.file-failed{border-style:dashed}.file-failed .file-copy small{overflow-wrap:anywhere}.file-remove{position:absolute;right:-6px;top:-6px;width:22px;height:22px;padding:0;display:flex;align-items:center;justify-content:center;background:var(--button);color:var(--inverse);border:2px solid var(--bg);border-radius:50%}.file-remove:hover{opacity:.8}.image-chip{padding:0;width:104px;height:104px;min-height:0}.image-chip .file-open{height:100%}.image-chip img{width:100%;height:100%;object-fit:cover;border-radius:14px}.image-chip .file-copy{display:none}.image-retry{display:flex;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;min-height:100px;gap:8px;color:var(--muted);font-size:12px}.message-files .image-chip{width:200px;height:160px}.file-preview{width:min(780px,calc(100vw - 32px));max-height:88dvh;overflow:auto}.file-preview .modal-heading{gap:16px}.file-preview .modal-heading h2{overflow-wrap:anywhere;min-width:0}.file-preview .modal-heading .icon-button{flex-shrink:0}.file-preview-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:0 0 18px;font-size:12px;color:var(--muted)}.file-preview-bar a{display:inline-flex;align-items:center;gap:6px;text-decoration:none;color:var(--text)}.file-preview-image{display:block;max-width:100%;max-height:65dvh;object-fit:contain;margin:auto;border-radius:10px}.file-preview-text{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8;font-size:13px;padding:18px;border-radius:12px;background:var(--surface);max-height:58dvh;overflow-y:auto}.file-preview-loading{padding:60px;text-align:center}.drop-overlay{position:fixed;top:12px;right:12px;bottom:12px;left:12px;z-index:160;pointer-events:none;background:color-mix(in srgb,var(--bg) 92%,transparent);border:2px dashed var(--text);border-radius:22px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:18px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.drop-overlay strong{font-size:24px;font-weight:550}.edit-message .attachment-list{margin-bottom:15px}@media(max-width:600px){.welcome h1{margin-bottom:28px}.draft-files{flex-wrap:nowrap;overflow-x:auto;padding:8px 6px 4px 0;margin:-6px 0 12px}.draft-files .file-chip{flex-shrink:0}.message-files .file-chip{max-width:280px}.file-preview{padding:20px}}
