@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(../media/KaTeX_AMS-Regular.25ieegmnh38ts.woff2)format("woff2"),url(../media/KaTeX_AMS-Regular.10y3kupq4t663.woff)format("woff"),url(../media/KaTeX_AMS-Regular.418dr7cz3fo2x.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(../media/KaTeX_Caligraphic-Bold.06b-ya9t43ioz.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Bold.2vmk2hva4ctha.woff)format("woff"),url(../media/KaTeX_Caligraphic-Bold.40ltxhe834pns.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(../media/KaTeX_Caligraphic-Regular.2eph4dlhid_m9.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Regular.3gxeetazf831f.woff)format("woff"),url(../media/KaTeX_Caligraphic-Regular.07-7u27-nhn_r.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(../media/KaTeX_Fraktur-Bold.2sasz-d-jtw8y.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Bold.1alcy76__wdj2.woff)format("woff"),url(../media/KaTeX_Fraktur-Bold.19yqa_tc9d_gx.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(../media/KaTeX_Fraktur-Regular.2d10y4xmjvzlf.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Regular.110oo81prr9n5.woff)format("woff"),url(../media/KaTeX_Fraktur-Regular.2qhy34r6a05dn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(../media/KaTeX_Main-Bold.3-rowy8o6_4ky.woff2)format("woff2"),url(../media/KaTeX_Main-Bold.0v1esh257kqpe.woff)format("woff"),url(../media/KaTeX_Main-Bold.0us_n0tnxlxu7.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(../media/KaTeX_Main-BoldItalic.14r2naom8mrec.woff2)format("woff2"),url(../media/KaTeX_Main-BoldItalic.13355ck5zr48q.woff)format("woff"),url(../media/KaTeX_Main-BoldItalic.3x_u9cepaced0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(../media/KaTeX_Main-Italic.0lig0v9j0700p.woff2)format("woff2"),url(../media/KaTeX_Main-Italic.0afv392dj4w59.woff)format("woff"),url(../media/KaTeX_Main-Italic.2hkw3230mfwcv.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(../media/KaTeX_Main-Regular.1ryvsdzh2w1_e.woff2)format("woff2"),url(../media/KaTeX_Main-Regular.15u8r3b2y7fv4.woff)format("woff"),url(../media/KaTeX_Main-Regular.0symfa7dqj6jd.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(../media/KaTeX_Math-BoldItalic.1oopuu636h4il.woff2)format("woff2"),url(../media/KaTeX_Math-BoldItalic.12pl58orkw9rg.woff)format("woff"),url(../media/KaTeX_Math-BoldItalic.0y5w36a5aq__2.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(../media/KaTeX_Math-Italic.32405s1aq8vas.woff2)format("woff2"),url(../media/KaTeX_Math-Italic.0w0b1ugh62cfr.woff)format("woff"),url(../media/KaTeX_Math-Italic.2vkekfblmz5nb.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(../media/KaTeX_SansSerif-Bold.0h3wi2z_eouyg.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Bold.1ovw5p-yjp56g.woff)format("woff"),url(../media/KaTeX_SansSerif-Bold.2d03q85pwxpti.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(../media/KaTeX_SansSerif-Italic.0wkjc4dm2kcit.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Italic.1qavw__2zz8gk.woff)format("woff"),url(../media/KaTeX_SansSerif-Italic.3i-q087b23-m8.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(../media/KaTeX_SansSerif-Regular.2peiewu59z3d-.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Regular.1i4afx8nk8n4r.woff)format("woff"),url(../media/KaTeX_SansSerif-Regular.31pbu25feko_c.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(../media/KaTeX_Script-Regular.11h14300o9pd0.woff2)format("woff2"),url(../media/KaTeX_Script-Regular.3110jb9c-bxna.woff)format("woff"),url(../media/KaTeX_Script-Regular.28p_x7iz71ofe.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size1-Regular.03lhvx36ekcou.woff2)format("woff2"),url(../media/KaTeX_Size1-Regular.1slf4bh0hc6vm.woff)format("woff"),url(../media/KaTeX_Size1-Regular.1y57-ck23ey8c.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size2-Regular.14s5gg-puz6h-.woff2)format("woff2"),url(../media/KaTeX_Size2-Regular.0-kwyvx03omo8.woff)format("woff"),url(../media/KaTeX_Size2-Regular.2u0s-b07k2o9m.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size3-Regular.1n1rgzz84z8r9.woff2)format("woff2"),url(../media/KaTeX_Size3-Regular.04o9a_02gu_e8.woff)format("woff"),url(../media/KaTeX_Size3-Regular.1pkn-dge4q0fv.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size4-Regular.2sgotkdv3dcyv.woff2)format("woff2"),url(../media/KaTeX_Size4-Regular.3p2r1l7xmebxv.woff)format("woff"),url(../media/KaTeX_Size4-Regular.2uelkfk2yna5e.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(../media/KaTeX_Typewriter-Regular.11gr2d2wuwz77.woff2)format("woff2"),url(../media/KaTeX_Typewriter-Regular.12f8myjij3617.woff)format("woff"),url(../media/KaTeX_Typewriter-Regular.3nee9kjfy6nm8.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,math,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.19.0"}.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{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f8fafc;--surface:#fff;--composer-bg:#fff;--surface-subtle:#f1f5fb;--ink:#1e293b;--secondary:#475569;--muted:#64748b;--line:#dce4ef;--green:#2563eb;--green-dark:#1d4ed8;--on-accent:#fff;--green-pale:#eaf1ff;--hover:#dce8fc;--sidebar:#eef3fb;--focus:#3b82f6;--focus-ring:#2563eb1a;--shadow:#1e3a5f14;--shadow-soft:#1e3a5f08;--overlay:#172b4859;--glow:#c7dcff45;--danger:#a64437;--danger-fill:#a94b3e;--danger-hover:#913d32;--on-danger:#fff;--warning:#8b4d2d;--warning-bg:#fcf1e8;--warning-line:#e9cdb9;--toast-bg:#1e3a8a;--toast-ink:#f8faff;--syntax-keyword:#a12b4a;--syntax-string:#275a3c;--syntax-number:#0557a1;--syntax-function:#7142a0;--sans:Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#111717;--surface:#1a2028;--surface-subtle:#243145;--ink:#f0f6ff;--secondary:#c4d0e2;--muted:#a4b3c8;--line:#384456;--green:#80aeff;--green-dark:#bdd5ff;--on-accent:#102348;--green-pale:#263b5c;--hover:#30496c;--sidebar:#141920;--composer-bg:#141920;--focus:#80aeff;--focus-ring:#80aeff24;--shadow:#00000040;--shadow-soft:#0000001a;--overlay:#080e1bb3;--glow:#5185cf26;--danger:#f2a99a;--danger-fill:#a94b3e;--danger-hover:#be5b4d;--on-danger:#fff;--warning:#edbe98;--warning-bg:#392c22;--warning-line:#69503b;--toast-bg:#d5e5ff;--toast-ink:#152849;--syntax-keyword:#f3a2ad;--syntax-string:#b6d8a5;--syntax-number:#9ecbff;--syntax-function:#d5b5f5}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin:0;font-size:15px;line-height:1.5}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit;text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible{outline:2px solid var(--focus);outline-offset:4px}input:focus,textarea:focus,select:focus{outline:none}input,select,textarea{color:var(--ink);border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:11px 13px;transition:border-color .15s,box-shadow .15s}input:focus,select:focus{border-color:var(--focus);box-shadow:0 0 0 3px var(--shadow-soft)}button{background:0 0;border:0}h1,h2,h3,p{margin:0}h2{font-size:16px;font-weight:600}h3{font-size:16px}::selection{background:var(--green-pale)}.hidden{display:none!important}.muted{color:var(--muted)}.mono,code,pre{font-family:Cascadia Code,SFMono-Regular,Consolas,DejaVu Sans Mono,monospace}.danger-text{color:var(--danger)!important}.positive{color:var(--green)}.full-width{width:100%}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.app-shell{background:var(--bg);min-height:100dvh;display:flex}.sidebar{width:var(--sidebar-width,256px);flex:0 0 var(--sidebar-width,256px);background:var(--sidebar);border-right:1px solid var(--line);z-index:30;flex-direction:column;height:100dvh;padding:16px 14px 0;display:flex;position:sticky;top:0}.sidebar-brand{justify-content:space-between;align-items:center;padding:0 8px 16px;display:flex}.brand{font-size:25px;font-family:var(--sans);letter-spacing:-1.1px;align-items:center;gap:9px;font-weight:700;display:flex}.brand-dot{color:var(--muted)}.brand-mark{background:var(--green);width:66px;height:66px;color:var(--on-accent);box-shadow:0 4px 8px var(--shadow-soft);border-radius:20px;justify-content:center;align-items:center;display:inline-flex}.brand-mark svg{width:45px;height:45px}.brand-mark.small{width:32px;height:32px;box-shadow:none;border-radius:9px}.brand-mark.small svg{width:26px;height:26px}.sidebar-collapse{color:var(--muted)!important}.icon-button{width:30px;height:30px;color:var(--muted);border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.icon-button:hover{background:var(--green-pale);color:var(--green)}.new-chat{color:var(--on-accent);background:var(--green);box-shadow:0 2px 4px var(--shadow-soft);border-radius:9px;align-items:center;gap:9px;padding:10px 12px;font-size:13px;font-weight:500;display:flex}.new-chat:hover{background:var(--green-dark)}.sidebar-search{color:var(--muted);border:1px solid var(--line);background:color-mix(in srgb, var(--surface) 55%, transparent);border-radius:10px;align-items:center;gap:8px;margin:10px 0 14px;padding:2px 10px;transition:border-color .15s,background .15s;display:flex}.sidebar-search input{width:100%;min-width:0;box-shadow:none;background:0 0;border:0;padding:4px 0;font-size:13px}.sidebar-search input::placeholder{color:var(--muted)}.sidebar-label{letter-spacing:.3px;color:var(--muted);justify-content:space-between;margin-bottom:6px;padding:0 10px;font-size:13px;display:flex}.conversation-list{flex:1;min-height:90px;overflow-y:auto}.conversation-item{border-radius:8px;align-items:center;margin:2px 0;display:flex}.conversation-item>button:first-child{text-align:left;min-width:0;color:var(--secondary);flex:1;align-items:center;gap:9px;padding:11px 10px;font-size:13px;display:flex}.conversation-item>button:first-child svg{color:var(--muted);flex-shrink:0}.conversation-item>button:first-child span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.conversation-item:hover,.conversation-item.active{background:var(--green-pale)}.conversation-item.active>button:first-child{color:var(--green)}.delete-conversation{color:var(--muted);padding:8px;display:none}.conversation-item:hover .delete-conversation{display:block}.sidebar-empty{color:var(--muted);text-align:center;padding:32px 10px}.sidebar-empty p{margin-top:12px;font-size:13px}.sidebar-bottom{padding-top:15px}.sidebar-bottom nav{margin-bottom:19px;padding:0 4px}.nav-item{color:var(--secondary);border-radius:7px;align-items:center;gap:10px;padding:11px 7px;font-size:13px;display:flex}.nav-item:hover,.nav-item.active{background:var(--green-pale);color:var(--green)}.nav-item>svg:last-child{color:var(--muted);margin-left:auto}.profile{border-top:1px solid var(--line);text-align:left;align-items:center;gap:10px;width:100%;padding:16px 8px 19px;display:flex}.avatar{background:var(--hover);width:33px;height:33px;color:var(--secondary);font-family:var(--sans);border-radius:50%;justify-content:center;align-items:center;font-size:15px;display:flex}.profile>div{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.profile strong{font-size:13px;font-weight:500}.profile>div>span{color:var(--muted);font-size:13px}.profile>.icon-button{margin-left:auto}.login-profile>span:nth-child(2){flex:1;font-size:13px}.main-area{flex-direction:column;flex:1;min-width:0;display:flex;position:relative}.topbar{z-index:20;background:color-mix(in srgb, var(--bg) 92%, transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;height:56px;padding:6px 28px;display:flex;position:sticky;top:0}.breadcrumb{min-width:0;color:var(--muted);align-items:center;gap:12px;font-size:13px;display:flex}.breadcrumb>strong{color:var(--secondary);white-space:nowrap;text-overflow:ellipsis;max-width:220px;font-size:13px;font-weight:400;overflow:hidden}.breadcrumb>svg{color:var(--muted)}.topbar-actions{align-items:center;gap:17px;display:flex}.connection-status{color:var(--muted);align-items:center;gap:6px;font-size:13px;display:flex}.sidebar-opener{display:none}.chat-toolbar{flex-shrink:0;justify-content:space-between;align-items:center;height:76px;padding:0 36px;display:flex}.model-picker{position:relative}.model-trigger{align-items:center;gap:10px;padding:7px 0;font-size:13px;display:flex}.model-icon{border:1px solid var(--line);background:var(--surface-subtle);width:26px;height:26px;color:var(--muted);border-radius:7px;justify-content:center;align-items:center;display:flex}.model-trigger>strong{font-weight:500}.channel-name{color:var(--muted);background:var(--green-pale);border:1px solid var(--line);border-radius:4px;padding:3px 7px;font-size:13px}.model-trigger>svg{color:var(--muted);margin-left:5px}.picker-backdrop{z-index:34;cursor:default;position:fixed;inset:0}.model-menu{z-index:35;background:var(--surface);min-width:270px;box-shadow:0 8px 35px var(--shadow);border:1px solid var(--line);border-radius:12px;padding:7px;position:absolute;top:42px;left:0}.menu-label{color:var(--muted);padding:9px 10px;font-size:13px}.model-menu>button{text-align:left;border-radius:7px;justify-content:space-between;align-items:center;width:100%;padding:12px 10px;display:flex}.model-menu>button:hover{background:var(--green-pale)}.model-menu>button>span{flex-direction:column;gap:5px;display:flex}.model-menu strong{font-size:13px;font-weight:500}.model-menu small{color:var(--muted);font-size:13px}.model-menu>p{color:var(--muted);padding:15px;font-size:13px}.model-menu>button>svg{color:var(--green)}.chat-body{flex-direction:column;flex:1;width:100%;min-height:0;display:flex}.chat-body.empty{padding-top:clamp(44px,12vh,128px)}.welcome{text-align:center;margin-bottom:28px}.welcome-symbol{justify-content:center;margin-bottom:22px;display:flex;position:relative}.welcome-symbol:before{content:"";background:radial-gradient(ellipse, var(--glow), transparent 70%);z-index:0;width:130px;height:110px;position:absolute;top:-22px}.welcome-symbol .brand-mark{z-index:1;background:var(--green-pale);color:var(--secondary);border:1px solid var(--line);box-shadow:inset 0 1px 0 var(--shadow), 0 7px 12px var(--shadow-soft);transform:rotate(-5deg)}.welcome-symbol svg{transform:rotate(5deg)}.welcome h1{font-family:var(--sans);letter-spacing:-.8px;color:var(--ink);font-size:34px;font-weight:500;line-height:1.5}.composer-area{width:min(780px,100% - 100px);margin:0 auto}.composer{border:1px solid var(--line);box-shadow:0 8px 28px var(--shadow-soft), 0 2px 6px var(--shadow-soft);background:var(--surface);border-radius:22px;transition:border-color .2s,box-shadow .2s;overflow:hidden}.composer:focus-within{border-color:var(--focus);box-shadow:0 0 0 3px var(--focus-ring), 0 8px 28px var(--shadow-soft)}.composer textarea{resize:none;width:100%;color:var(--ink);min-height:94px;max-height:220px;box-shadow:none;background:0 0;border:0;border-radius:0;padding:20px 22px 12px;font-size:13px;line-height:1.8;display:block}.composer textarea::placeholder{color:var(--muted);font-size:13px}.composer-bottom{justify-content:space-between;align-items:center;gap:10px;padding:0 12px 12px;display:flex}.composer-tools{align-items:center;gap:6px;min-width:0;display:flex}.attach-button{color:var(--muted);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.attach-button:hover{background:var(--surface-subtle)}.tool-divider{background:var(--green-pale);width:1px;height:13px}.search-button{min-height:36px;color:var(--muted);border:1px solid #0000;border-radius:10px;flex-shrink:0;align-items:center;gap:5px;padding:6px 8px;font-size:13px;display:flex}.search-button:disabled{opacity:.5}.search-button.enabled{background:var(--green-pale);color:var(--secondary);border-color:var(--line)}.send-area{flex-shrink:0;align-items:center;gap:13px;display:flex}.send-button{width:32px;height:32px;color:var(--on-accent);background:var(--green);border-radius:9px;justify-content:center;align-items:center;display:flex}.send-button:disabled{opacity:1;background:var(--hover);color:var(--muted)}.send-button:not(:disabled):hover{background:var(--green-dark)}.send-button.stop{background:var(--surface-subtle);color:var(--secondary);border:1px solid var(--line)}.suggestions{grid-template-columns:repeat(4,1fr);gap:9px;margin-top:21px;display:grid}.suggestions>button{border:1px solid var(--line);color:var(--muted);white-space:nowrap;background:var(--surface-subtle);border-radius:8px;justify-content:center;align-items:center;gap:7px;padding:13px 10px;font-size:13px;transition:background .2s;display:flex}.suggestions>button:hover{background:var(--surface-subtle);color:var(--secondary);border-color:var(--line)}.suggestions>button>svg:first-child{color:var(--muted)}.suggestions>button>svg:last-child{color:var(--muted);margin-left:auto}.login-panel{border:1px dashed var(--line);background:var(--surface-subtle);border-radius:10px;justify-content:space-between;align-items:center;gap:12px;margin:24px auto 0;padding:15px 18px;display:flex}.login-panel>div{align-items:center;gap:9px;display:flex}.login-panel .primary-button{white-space:nowrap;padding:9px 11px;font-size:13px}.login-panel .text-button{white-space:nowrap;font-size:13px}.primary-button,.secondary-button,.danger-button{border-radius:7px;justify-content:center;align-items:center;gap:7px;padding:10px 14px;font-size:13px;font-weight:500;line-height:1.4;transition:background .15s;display:inline-flex}.primary-button{background:var(--green);color:var(--on-accent)}.primary-button:hover{background:var(--green-dark)}.primary-button.disabled{opacity:.5;cursor:not-allowed}.secondary-button{background:var(--surface);border:1px solid var(--line);color:var(--secondary)}.secondary-button:hover{background:var(--surface-subtle)}.danger-button{background:var(--danger-fill);color:var(--on-danger)}.danger-button:hover{background:var(--danger-hover)}.text-button{color:var(--secondary);align-items:center;gap:5px;padding:4px;font-size:13px;display:inline-flex}.text-button:hover{color:var(--green)}.messages{flex:1;width:min(780px,100% - 100px);margin:10px auto 20px}.message{gap:14px;padding:23px 0 16px;display:flex}.message-avatar{flex-shrink:0;width:29px;padding-top:1px}.message-avatar .brand-mark.small{background:var(--green-pale);width:28px;height:28px;color:var(--secondary);border-radius:8px}.message-avatar .brand-mark.small svg{width:23px;height:23px}.message-avatar>span:not(.brand-mark){background:var(--green-pale);border:1px solid var(--line);width:28px;height:28px;color:var(--muted);border-radius:50%;justify-content:center;align-items:center;font-size:13px;display:flex}.message-body{flex:1;min-width:0}.message-meta{align-items:center;gap:12px;margin:6px 0 14px;display:flex}.message-meta strong{color:var(--secondary);font-size:13px;font-weight:500}.message-meta>span{color:var(--muted);font-size:13px}.message.user .message-body{background:var(--surface-subtle);border-radius:0 12px 12px;padding:13px 17px}.message.user .message-meta{margin-top:0;margin-bottom:8px}.message.user .markdown{font-size:13px}.message.assistant{padding-bottom:20px}.message-actions{color:var(--muted);align-items:center;gap:10px;margin-top:14px;font-size:13px;display:flex}.message-actions button{color:var(--muted);padding:3px;display:flex}.message-actions button:hover{color:var(--green)}.markdown{color:var(--ink);overflow-wrap:anywhere;font-size:13px;line-height:1.95}.markdown p{margin:0 0 12px}.markdown p:last-child{margin-bottom:0}.markdown h1,.markdown h2,.markdown h3{margin:22px 0 12px;font-size:17px;line-height:1.5}.markdown h2{font-size:16px}.markdown ul,.markdown ol{margin:12px 0;padding-left:22px}.markdown li{padding:2px 0}.markdown a{color:var(--secondary);text-underline-offset:3px;text-decoration:underline}.markdown strong{color:var(--green);font-weight:600}.markdown em{color:var(--muted);font-size:13px}.markdown blockquote{border-left:3px solid var(--line);color:var(--muted);margin:15px 0;padding:4px 15px}.markdown table{border-collapse:collapse;width:100%;margin:16px 0;font-size:13px}.markdown th,.markdown td{border:1px solid var(--line);text-align:left;padding:9px}.markdown code:not(pre code){background:var(--surface-subtle);color:var(--secondary);border-radius:4px;padding:2px 5px;font-size:max(13px,.9em)}.code-block{border:1px solid var(--line);border-radius:9px;margin:15px 0;overflow:hidden}.code-toolbar{background:var(--surface-subtle);color:var(--muted);justify-content:space-between;align-items:center;padding:6px 12px;font-size:13px;display:flex}.code-toolbar button{color:var(--muted);align-items:center;gap:5px;padding:4px;font-size:13px;display:flex}.code-block pre{background:var(--surface-subtle);white-space:pre;margin:0;padding:16px;font-size:13px;line-height:1.8;overflow-x:auto}.code-block pre code{background:0 0;padding:0}.markdown hr{border:0;border-top:1px solid var(--line);margin:20px 0}.thinking{color:var(--muted);align-items:center;gap:4px;height:22px;display:flex}.thinking>span{background:var(--green);border-radius:50%;width:5px;height:5px;animation:1.4s infinite pulse}.thinking>span:nth-child(2){animation-delay:.2s}.thinking>span:nth-child(3){animation-delay:.4s}.thinking>small{margin-left:7px;font-size:13px}@keyframes pulse{50%{opacity:.25;transform:translateY(-2px)}}.pending-files,.message-files{flex-wrap:wrap;gap:7px;display:flex}.pending-files{padding:14px 16px 0}.pending-files>span,.message-files>a{border:1px solid var(--line);background:var(--surface-subtle);color:var(--muted);border-radius:6px;align-items:center;gap:7px;max-width:230px;padding:8px 9px;font-size:13px;display:flex}.pending-files>span>span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.pending-files button{color:var(--muted);padding:0;display:flex}.message-files{margin-top:10px}.source-list{background:var(--surface-subtle);border-radius:8px;flex-direction:column;gap:8px;margin:15px 0;padding:12px;font-size:13px;display:flex}.source-list>summary{color:var(--muted);align-items:center;gap:5px;margin-bottom:2px;display:flex}.source-list>a{color:var(--secondary);align-items:center;gap:7px;display:flex}.source-list>a>span{background:var(--green-pale);border-radius:3px;padding:0 4px;font-size:13px}.source-list>a>svg{margin-left:auto}.composer-area.sticky{z-index:10;background:linear-gradient(to bottom, transparent, var(--bg) 15px);padding-top:15px;padding-bottom:16px;position:sticky;bottom:0}.sticky .composer textarea{min-height:76px;padding-top:16px}.toast{background:var(--toast-bg);color:var(--toast-ink);border:1px solid var(--line);box-shadow:0 6px 24px var(--shadow);z-index:80;border-radius:9px;align-items:center;gap:20px;max-width:calc(100% - 40px);padding:13px 14px 13px 18px;font-size:13px;display:flex;position:fixed;bottom:30px;left:calc(50% + 110px);transform:translate(-50%)}.toast>button{color:inherit;padding:3px;display:flex}.load-error,.loading-page,.access-panel{min-height:350px;color:var(--muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:18px;font-size:13px;display:flex}.access-panel h1{font-size:24px;font-family:var(--sans);color:var(--secondary);font-weight:400}.access-panel p{color:var(--muted);font-size:13px}.dashboard{width:100%;max-width:1210px;margin:0 auto;padding:30px 32px 48px}.page-heading{justify-content:space-between;align-items:center;gap:14px;margin-bottom:30px;display:flex}.page-heading h1{font-size:28px;font-family:var(--sans);color:var(--green);font-weight:400}.outline-tag{color:var(--muted);border:1px solid var(--line);border-radius:6px;align-items:center;gap:6px;padding:7px 10px;font-size:13px;display:flex}.metric-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:30px;display:grid}.metric-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:21px 22px}.metric-card>span{color:var(--muted);justify-content:space-between;align-items:center;font-size:13px;display:flex}.metric-card>span>svg{color:var(--muted)}.metric-card>strong{font-size:32px;font-family:var(--sans);letter-spacing:-.4px;color:var(--green);margin-top:20px;font-weight:400;display:block}.metric-card small{font-size:13px;font-family:var(--sans);color:var(--muted);letter-spacing:0;margin-left:7px;font-weight:400}.metric-card p{color:var(--muted);margin-top:12px;font-size:13px}.tabs{border-bottom:1px solid var(--line);align-items:center;gap:28px;margin-bottom:25px;display:flex;overflow-x:auto}.tabs>button{color:var(--muted);white-space:nowrap;border-bottom:2px solid #0000;align-items:center;gap:7px;padding:0 0 15px;font-size:13px;display:flex}.tabs>button.active{color:var(--green);border-bottom-color:var(--green)}.tabs>button>span{background:var(--green-pale);border-radius:4px;padding:1px 5px;font-size:13px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:11px;margin-bottom:22px;overflow:hidden}.panel-heading{justify-content:space-between;align-items:center;gap:12px;padding:20px 23px;display:flex}.panel-heading h2{color:var(--secondary);font-size:13px;font-weight:500}.panel-heading>span{color:var(--muted);font-size:13px}.panel-heading p{color:var(--muted);margin-top:8px;font-size:13px}.table-scroll{overflow-x:auto}.pagination{border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:16px 22px;font-size:14px;display:flex}.pagination-controls,.pagination-controls label,.pagination-total,.pagination-error{align-items:center;gap:8px;display:flex}.pagination-controls{margin-left:auto}.pagination-controls label{white-space:nowrap;margin:0 8px 0 0;font-size:14px}.pagination-controls select{width:auto;padding:7px 9px;font-size:14px}.pagination-position{text-align:center;font-variant-numeric:tabular-nums;white-space:nowrap;min-width:48px}.pagination-error{color:var(--danger);flex-wrap:wrap}table{border-collapse:collapse;text-align:left;width:100%;font-size:13px}th{color:var(--muted);background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);white-space:nowrap;padding:12px 22px;font-size:13px;font-weight:400}td{border-bottom:1px solid var(--line);color:var(--muted);white-space:nowrap;padding:17px 22px}tr:last-child td{border-bottom:0}td.mono{font-size:13px}.cell-sub{color:var(--muted);margin-top:6px;font-size:13px;display:block}.status-tag{color:var(--muted);background:var(--surface-subtle);border:1px solid var(--line);white-space:nowrap;border-radius:5px;align-items:center;padding:4px 7px;font-size:13px;display:inline-flex}.status-tag.neutral{background:var(--surface-subtle);border-color:var(--line);color:var(--muted)}.empty-cell{text-align:center;color:var(--muted);font-size:13px;padding:40px!important}.table-action{color:var(--muted);padding:3px;font-size:13px}.table-action:hover{text-decoration:underline}.redeem-panel{background:var(--surface-subtle);border:1px solid var(--line);border-radius:11px;align-items:center;gap:15px;margin-bottom:24px;padding:24px;display:flex}.redeem-icon{background:var(--green-pale);border:1px solid var(--line);width:43px;height:43px;color:var(--muted);border-radius:11px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.redeem-panel h2{color:var(--secondary);font-size:13px;font-weight:500}.redeem-panel form{align-items:center;gap:8px;margin-left:auto;display:flex}.redeem-panel input{background:var(--surface);border-color:var(--line);width:185px;padding:10px;font-size:13px}.ledger-list{padding:0 22px}.ledger-row{border-top:1px solid var(--line);align-items:center;gap:12px;padding:15px 0;display:flex}.ledger-icon{background:var(--surface-subtle);width:30px;height:30px;color:var(--muted);border-radius:8px;justify-content:center;align-items:center;display:flex}.ledger-icon.spent{background:var(--surface-subtle);color:var(--muted)}.ledger-row>div{flex-direction:column;gap:6px;display:flex}.ledger-row strong{color:var(--muted);font-size:13px;font-weight:500}.ledger-row small{color:var(--muted);font-size:13px}.ledger-row>strong{font-family:var(--sans);margin-left:auto;font-size:18px}.api-example>p{color:var(--muted);padding:18px 23px;font-size:13px;line-height:1.8}.endpoint{border:1px solid var(--line);background:var(--surface-subtle);border-radius:7px;align-items:center;gap:14px;margin:0 23px;padding:11px 13px;display:flex}.endpoint>span{color:var(--muted);white-space:nowrap;font-size:13px}.endpoint>code{color:var(--muted);word-break:break-all;font-size:13px}.endpoint>.icon-button{margin-left:auto}.api-example>pre{color:var(--muted);background:var(--surface-subtle);border:1px solid var(--line);border-radius:8px;margin:0 23px 23px;padding:18px;font-size:13px;line-height:1.8;overflow-x:auto}.inline-error{border:1px solid var(--warning-line);background:var(--warning-bg);color:var(--warning);border-radius:9px;justify-content:space-between;margin-bottom:20px;padding:15px 20px;font-size:13px;display:flex}.inline-error button{color:inherit;text-decoration:underline}.section-title{justify-content:space-between;align-items:center;margin-bottom:15px;display:flex}.section-title h2{color:var(--muted);font-size:13px;font-weight:500}.channel-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin-bottom:25px;display:grid}.channel-card{background:var(--surface);border:1px solid var(--line);border-radius:11px;min-width:0;padding:20px}.channel-card.on{border-color:var(--line)}.channel-card-top{justify-content:space-between;align-items:center;gap:7px;margin-bottom:19px;display:flex}.channel-symbol{background:var(--surface-subtle);color:var(--muted);border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.channel-card h3{color:var(--secondary);margin-bottom:7px;font-size:13px;font-weight:500}.channel-card>code{color:var(--muted);font-size:13px}.channel-card>p{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;margin-top:15px;font-size:13px;overflow:hidden}.channel-card-bottom{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:4px;margin-top:18px;padding-top:13px;display:flex}.channel-card-bottom>span{color:var(--muted);font-size:13px}.capability-tags{gap:4px;display:flex}.capability-tags>span{background:var(--surface-subtle);border:1px solid var(--line);color:var(--muted);border-radius:4px;padding:3px 5px;font-size:13px}.compact-input{width:160px;padding:8px 10px;font-size:13px}.row-actions{gap:9px;display:flex}.form-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.form-checks{flex-wrap:wrap;gap:12px 17px;margin:18px 0 20px;display:flex}.modal-backdrop{background:var(--overlay);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:60;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border:1px solid var(--line);box-shadow:0 20px 80px var(--shadow);border-radius:16px;width:460px;max-width:100%;max-height:calc(100dvh - 40px);padding:30px;position:relative;overflow-y:auto}.modal h2{font-family:var(--sans);color:var(--secondary);margin-bottom:13px;padding-right:20px;font-size:22px;font-weight:400}.modal p{color:var(--muted);margin-bottom:20px;font-size:13px;line-height:1.8}.modal-close{position:absolute;top:15px;right:15px}.modal-symbol{background:var(--green-pale);width:45px;height:45px;color:var(--muted);border-radius:12px;justify-content:center;align-items:center;margin-bottom:21px;display:flex}.modal label{color:var(--muted);flex-direction:column;gap:9px;margin:17px 0;font-size:13px;display:flex}.modal label>input,.modal label>select{width:100%;color:var(--secondary);font-size:13px}.modal label.checkbox{flex-direction:row;align-items:center;gap:7px;display:flex}.checkbox input{height:14px;accent-color:var(--focus);box-shadow:none;width:14px!important}.form-checks .checkbox{margin:0;font-size:13px}.modal form>.primary-button{margin-top:10px}.small-modal{width:380px}.modal-actions{justify-content:flex-end;gap:9px;margin-top:25px;display:flex}.secret-box{border:1px solid var(--line);background:var(--surface-subtle);border-radius:8px;align-items:center;gap:8px;margin-bottom:22px;padding:15px;display:flex}.secret-box>code{color:var(--muted);word-break:break-all;font-size:13px;line-height:1.8}.codes-result{background:var(--surface-subtle);border:1px solid var(--line);width:100%;color:var(--muted);resize:none;margin-bottom:15px;font-size:13px;line-height:1.9}.sidebar-scrim{display:none}@media (min-width:1500px){.chat-body.empty{padding-top:10vh}.welcome{margin-bottom:45px}.welcome h1{font-size:40px}.composer-area,.messages{width:min(830px,100% - 130px)}.composer textarea{min-height:112px}}@media (max-width:1150px){.sidebar{padding-left:14px;padding-right:14px}.topbar,.chat-toolbar{padding-left:28px;padding-right:28px}.composer-area,.messages{width:calc(100% - 65px)}.welcome h1{font-size:31px}.suggestions{grid-template-columns:repeat(2,minmax(0,1fr))}.suggestions>button{justify-content:flex-start;padding:11px}.login-panel{flex-direction:column;align-items:flex-start}.login-panel>div:last-child{justify-content:space-between;width:100%}.dashboard{padding:30px 27px}.metric-card{padding:18px}.metric-card>strong{font-size:28px}.metric-card p{font-size:13px;line-height:1.6}.redeem-panel{flex-wrap:wrap;gap:12px;padding:20px}.redeem-panel form{width:100%;margin-left:0}.redeem-panel form input{flex:1;width:0}.channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}th,td{padding:13px 16px}.tabs{gap:22px}.toast{left:calc(50% + 100px)}}@media (max-width:780px){.sidebar{width:min(var(--sidebar-width,256px), calc(100vw - 48px));transition:transform .2s;position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-scrim{background:var(--overlay);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:25;display:block;position:fixed;inset:0}.sidebar-opener{margin-left:-4px;display:flex}.topbar{height:52px;padding:4px 16px}.breadcrumb{gap:9px;font-size:13px}.breadcrumb>strong{max-width:140px}.topbar-actions{gap:10px}.connection-status{font-size:13px}.chat-toolbar{height:64px;padding:0 21px}.channel-name{font-size:13px}.chat-body.empty{padding-top:clamp(34px,8vh,72px)}.welcome h1{font-size:30px}.welcome{margin-bottom:30px}.welcome-symbol{margin-bottom:20px}.welcome-symbol .brand-mark{border-radius:17px;width:58px;height:58px}.composer-area,.messages{width:calc(100% - 36px)}.composer textarea{min-height:100px;padding:18px 17px 10px;font-size:13px}.composer-bottom{padding-left:12px;padding-right:12px}.suggestions{gap:8px;margin-top:16px}.suggestions>button{font-size:13px}.login-panel{margin-top:20px;padding:13px 15px}.chat-body.empty .composer-area{margin-bottom:20px}.toast{white-space:normal;width:max-content;max-width:calc(100% - 35px);font-size:13px;bottom:20px;left:50%}.message{gap:10px}.message-avatar{width:25px}.message-avatar .brand-mark.small{width:25px;height:25px}.messages{margin-top:0}.message.user .message-body{padding:12px 14px}.markdown,.message-meta{font-size:13px}.composer-area.sticky{padding-top:10px;padding-bottom:13px}.dashboard{padding:27px 18px 40px}.page-heading{margin-bottom:24px}.page-heading h1{font-size:25px}.metric-grid{gap:9px;margin-bottom:25px}.metric-card{border-radius:9px;padding:15px 12px}.metric-card>span{font-size:13px}.metric-card>span>svg{width:13px;height:13px}.metric-card>strong{margin-top:17px;font-size:24px}.metric-card small{margin-left:4px;font-size:13px}.metric-card p{min-height:25px;font-size:13px;line-height:1.7}.tabs{gap:24px;margin-bottom:20px}.tabs>button{padding-bottom:13px;font-size:13px}.panel-heading{padding:17px 16px}.panel-heading h2{font-size:13px}.panel-heading p{max-width:200px;font-size:13px;line-height:1.7}.panel-heading .primary-button{white-space:nowrap;padding:9px 10px;font-size:13px}.panel-heading>span{font-size:13px}.channel-grid{gap:10px}.channel-card{padding:16px}.channel-card-bottom{flex-direction:column;align-items:flex-start;gap:10px}.section-title h2,.secondary-button{font-size:13px}.panel-heading .compact-input{width:125px}.api-example>p{padding:16px;font-size:13px}.endpoint{gap:8px;margin:0 16px;padding:9px}.endpoint>code,.endpoint>span{font-size:13px}.api-example>pre{margin:0 16px 16px;padding:13px;font-size:13px}.modal{padding:26px 23px}.modal h2{font-size:21px}.modal label{font-size:13px}.model-menu{min-width:250px}.redeem-panel h2{font-size:13px}.ledger-list{padding:0 16px}}.new-chat,.conversation-item>button:first-child,.nav-item,.profile strong,.login-profile>span:nth-child(2),.model-trigger,.model-menu strong,.suggestions>button,.tabs>button,.primary-button,.secondary-button,.danger-button,.login-panel .primary-button,.login-panel .text-button,.panel-heading .primary-button,.text-button,.modal label,.table-action,.breadcrumb,.breadcrumb>strong,.message-meta strong{font-size:14px}.composer textarea,.composer textarea::placeholder,.markdown,.message.user .markdown{font-size:16px}.composer textarea::placeholder,input::placeholder,textarea::placeholder{color:var(--muted);opacity:1}.markdown em{font-size:inherit;color:var(--secondary)}.markdown h3{font-size:16px}.markdown table,.code-block pre,.api-example>pre{font-size:14px}.code-block pre code{color:var(--ink)}.panel-heading h2,.section-title h2,.redeem-panel h2,.channel-card h3{font-size:16px}.metric-card>span,.ledger-row strong,td,.load-error,.loading-page,.access-panel,.toast{font-size:14px}.metric-card p{line-height:1.7}.app-shell input,.app-shell textarea,.app-shell select{font-size:16px}.sidebar-search input{padding:6px 0}.sidebar-search input,.compact-input{font-size:14px}.topbar-actions{flex-shrink:0;gap:10px}.breadcrumb>span{white-space:nowrap}.icon-button,.send-button{width:36px;height:36px}.login-panel{background:0 0;border:0;justify-content:center;padding:10px 0}.login-panel>div,.login-panel>div:last-child{flex-wrap:wrap;justify-content:center;gap:18px}.chat-body.empty{padding-bottom:48px}.model-trigger{text-align:left;flex-wrap:wrap;max-width:100%}.chat-toolbar{height:auto;min-height:76px}.capability-tags,.channel-card-top{flex-wrap:wrap}.endpoint>code{min-width:0}.ledger-row>div{overflow-wrap:anywhere;min-width:0}.ledger-row>strong,.ledger-icon{flex-shrink:0}.hljs-comment,.hljs-quote{color:var(--muted);font-style:italic}.hljs-keyword,.hljs-selector-tag,.hljs-doctag,.hljs-deletion{color:var(--syntax-keyword)}.hljs-string,.hljs-regexp,.hljs-addition,.hljs-attribute{color:var(--syntax-string)}.hljs-number,.hljs-literal,.hljs-built_in,.hljs-type,.hljs-attr,.hljs-variable{color:var(--syntax-number)}.hljs-title,.hljs-section,.hljs-selector-class{color:var(--syntax-function)}.hljs-emphasis{font-style:italic}.hljs-strong{font-weight:600}@media (max-width:780px){.topbar{gap:8px;padding:0 16px}.breadcrumb>span,.breadcrumb>svg{display:none}.breadcrumb>strong{min-width:0;max-width:none}.chat-toolbar{min-height:68px}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.metric-card:first-child{grid-column:1/-1}.metric-card{padding:18px}.metric-card>strong{font-size:28px}.metric-card small{display:inline-block}.metric-card>span>svg{flex-shrink:0;width:17px;height:17px}.channel-grid,.form-grid{grid-template-columns:minmax(0,1fr)}.endpoint{flex-wrap:wrap}.endpoint>span{width:100%}.endpoint>code{flex:1}.app-shell input,.app-shell select,.app-shell textarea{font-size:16px}}.sidebar-bottom{flex-shrink:0}.sidebar-resizer{cursor:col-resize;touch-action:none;z-index:2;width:10px;position:absolute;top:0;bottom:0;right:-5px}.sidebar-resizer:after{content:"";width:2px;position:absolute;top:0;bottom:0;left:4px}.sidebar-resizer:hover:after,.sidebar-resizer:focus-visible:after,.resizing .sidebar-resizer:after{background:var(--focus)}.resizing{cursor:col-resize;-webkit-user-select:none;user-select:none}.message-editor textarea{resize:vertical;width:100%;min-height:120px;line-height:1.7}.message-editor p{color:var(--muted);margin-top:10px;font-size:13px}.message-editor-actions,.panel-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.message-editor-actions{justify-content:flex-end;margin-top:14px}.table-action{align-items:center;gap:5px;display:inline-flex}.export-batch{margin-top:12px}.legacy-secret{color:var(--muted);white-space:nowrap;font-size:13px}.markdown .katex-display{max-width:100%;padding:8px 0;overflow:auto hidden}.markdown .katex-error{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--danger)!important}@media (min-width:781px){.sidebar-collapsed .sidebar{display:none}.sidebar-collapsed .sidebar-opener{display:inline-flex}}@media (max-width:780px){.sidebar-resizer{display:none}.panel-heading:has(.panel-actions){flex-wrap:wrap}.panel-actions{width:100%}.panel-actions>button{white-space:nowrap;flex:1}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.message{flex-direction:column;align-items:stretch;gap:0;padding:20px 0;display:flex}.message.user{align-items:flex-end;padding-top:24px;padding-bottom:20px}.message.user .message-body{background:var(--surface-subtle);border-radius:24px;flex:none;width:fit-content;max-width:85%;padding:10px 18px}.message.user .markdown>:first-child{margin-top:0}.message.user .markdown>:last-child{margin-bottom:0}.message.user:has(.message-editor) .message-body{border-radius:18px;width:100%;max-width:100%}.message.assistant .message-body{width:100%}.message-footer{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 16px;margin-top:9px;display:flex}.message.user .message-footer{justify-content:flex-end}.message-actions{gap:6px;margin:0}.message-actions button{border-radius:8px;padding:7px}.message-actions button:hover{background:var(--surface-subtle)}.message-stats{color:var(--muted);flex-wrap:wrap;gap:6px 14px;font-size:13px;display:flex}.message-status{color:var(--muted);margin-top:10px;font-size:13px;display:inline-block}.reasoning{color:var(--muted);margin:2px 0 18px}.reasoning summary{cursor:pointer;align-items:center;gap:8px;width:fit-content;font-size:14px;list-style:none;display:flex}.reasoning summary::-webkit-details-marker{display:none}.reasoning summary:after{content:"⌄";margin-left:4px}.reasoning[open] summary:after{transform:rotate(180deg)}.reasoning summary>svg{color:var(--green)}.reasoning-content{border-left:2px solid var(--line);margin-top:12px;padding-left:16px}.reasoning-content .markdown{color:var(--muted);font-size:14px}.conversation-group-label{color:var(--muted);padding:18px 12px 7px;font-size:13px;font-weight:500}.share-trigger{color:var(--secondary);border-radius:8px;align-items:center;gap:6px;padding:7px 10px;display:inline-flex}.share-trigger:hover{background:var(--surface-subtle)}.share-url{border:1px solid var(--line);background:var(--surface-subtle);width:100%;color:var(--ink);border-radius:10px;margin:16px 0;padding:12px}.share-dialog p{color:var(--muted);font-size:14px;line-height:1.7}.shared-page{max-width:860px;margin:auto;padding:24px}.shared-header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:40px;display:flex}.shared-page .messages{width:100%}.shared-page h1{font-size:24px;line-height:1.5}.shared-note{color:var(--muted);margin:12px 0 24px;font-size:13px}@media (max-width:780px){.message.user .message-body{max-width:92%;padding:10px 16px}.message-stats{gap:6px 10px;font-size:13px}.share-trigger span{display:none}.shared-page{padding:20px 18px}}.model-selectors{flex:0 auto;min-width:0;max-width:240px}.composer-model{background:var(--surface-subtle);width:100%;min-width:0;height:36px;color:var(--ink);text-align:left;border:1px solid #0000;border-radius:10px;align-items:center;gap:8px;margin:0;padding:6px 10px;font-size:13px;font-weight:500;display:flex}.composer-model>svg{color:var(--green);flex-shrink:0}.composer-model>span{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.composer-model .composer-model-chevron{color:var(--muted);margin-left:auto;transition:transform .15s}.composer-model[aria-expanded=true] .composer-model-chevron{transform:rotate(180deg)}.composer-model:hover,.composer-model[aria-expanded=true]{border-color:var(--line)}.composer-model:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.model-options-popover{z-index:70;border:1px solid var(--line);background:var(--surface);box-shadow:0 16px 48px var(--shadow), 0 4px 12px var(--shadow-soft);border-radius:16px;flex-direction:column;padding:6px;display:flex;position:fixed;overflow:hidden}.model-options-heading{color:var(--secondary);flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:9px 10px 12px;font-size:13px;display:flex}.model-options-heading>span:last-child{color:var(--muted)}.model-options-list{overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--line) transparent;min-height:0;overflow-y:auto}.model-option{text-align:left;border-radius:10px;align-items:center;gap:10px;width:100%;min-height:66px;padding:10px;transition:background .12s;display:flex}.model-option.is-active{background:var(--surface-subtle)}.model-option[aria-selected=true]{background:var(--green-pale)}.model-option-symbol{border:1px solid var(--line);width:32px;height:32px;color:var(--green);background:var(--surface);border-radius:10px;flex:0 0 32px;justify-content:center;align-items:center;display:flex}.model-option-copy{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.model-option-copy strong{overflow-wrap:anywhere;font-size:14px;font-weight:500;line-height:1.5}.model-option-copy>span{color:var(--muted);font-size:13px;line-height:1.5}.model-option-check{color:var(--green);flex-shrink:0}.welcome-description{color:var(--muted);margin-top:9px;font-size:14px;line-height:1.7}.sidebar-search:focus-within{border-color:var(--focus);background:var(--surface)}.sidebar-search input:focus{box-shadow:none}.sidebar-brand,.new-chat,.sidebar-search,.sidebar-label{flex-shrink:0}.conversation-list{scrollbar-width:thin;scrollbar-color:var(--line) transparent}.conversation-item.active{box-shadow:inset 2px 0 0 var(--green)}.composer .send-button{border-radius:11px;width:36px;height:36px}.search-button:not(:disabled):hover{background:var(--surface-subtle)}.suggestions>button{border-radius:12px;transition:border-color .15s,background .15s}.suggestions>button:hover{border-color:var(--focus)}.panel,.metric-card{box-shadow:0 2px 8px var(--shadow-soft);border-radius:16px}.main-area{scroll-margin-top:72px}@media (max-width:780px){.composer-model{font-size:16px}.model-selectors,.composer-model{max-width:220px}.welcome h1{font-size:28px}}@media (max-width:480px){.composer-tools{flex:1;gap:4px}.model-selectors{flex:1;max-width:200px}.composer-bottom{gap:6px;padding:0 10px 10px}.composer-tools .search-button{justify-content:center;width:36px;padding:0}.composer-tools .search-button>span,.composer-tools .search-button>svg:last-child:not(:first-child){display:none}.welcome-description{font-size:13px}}.key-channel-hint{color:var(--muted);margin-bottom:14px;font-size:13px;line-height:1.7}@media (max-width:360px){.suggestions>button{white-space:normal;min-width:0}.suggestions>button>svg:first-child{flex-shrink:0}.suggestions>button>svg:last-child{display:none}}.custom-select{width:100%;min-width:0}.select-trigger{border:1px solid var(--line);background:var(--surface);width:100%;min-width:0;min-height:42px;color:var(--ink);text-align:left;border-radius:10px;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;font-size:14px;transition:border-color .15s,box-shadow .15s,background .15s;display:flex}.select-trigger>span{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.select-trigger>svg{color:var(--muted);flex-shrink:0;transition:transform .15s}.select-trigger[aria-expanded=true]>svg{transform:rotate(180deg)}.select-trigger:hover:not(:disabled){border-color:var(--focus);background:var(--surface-subtle)}.select-trigger:focus-visible,.select-trigger[aria-expanded=true]{outline:2px solid var(--focus);outline-offset:2px}.select-trigger:disabled{opacity:.5;cursor:not-allowed}.select-popover{border-radius:12px}.select-popover .model-option{gap:12px;min-height:42px;padding:9px 10px}.select-popover .model-option-copy strong{font-size:14px}.pagination-controls .custom-select{width:90px}.pagination-controls .select-trigger{min-height:34px;padding:6px 9px;font-size:13px}.form-hint{color:var(--muted);margin:0 0 16px;font-size:13px;line-height:1.6}.token-prices{gap:14px;margin:17px 0;display:grid}.modal .token-prices label{margin:0}.messages{overflow-anchor:none}.source-list>summary{cursor:pointer}.source-list>a{margin-top:8px}.source-list>a>.source-title{background:0 0;padding:0}.source-title small{color:var(--muted);margin-top:3px;font-size:13px;display:block}.jump-latest{border:1px solid var(--line);background:var(--surface);color:var(--secondary);white-space:nowrap;cursor:pointer;border-radius:999px;align-items:center;gap:6px;padding:8px 14px;font-size:13px;display:flex;position:absolute;bottom:calc(100% + 4px);left:50%;transform:translate(-50%);box-shadow:0 4px 16px #0001}.composer{background:var(--composer-bg);position:relative}.composer textarea{scrollbar-width:thin;scrollbar-color:var(--line) transparent;max-height:none;overflow-y:auto}.composer-resizer{z-index:1;cursor:ns-resize;touch-action:none;border-radius:8px;height:12px;position:absolute;top:0;left:12px;right:12px}.composer-resizer:after{content:"";background:var(--line);border-radius:3px;width:36px;height:3px;transition:background .15s;position:absolute;top:4px;left:calc(50% - 18px)}.composer-resizer:hover:after,.composer-resizer:focus-visible:after{background:var(--focus)}.composer-resizer:focus-visible{outline:2px solid var(--focus);outline-offset:-2px}.color-settings{position:relative}.color-settings-panel{background:var(--surface);width:330px;max-width:calc(100vw - 24px);max-height:calc(100dvh - 84px);color:var(--ink);border:1px solid var(--line);box-shadow:0 12px 40px var(--shadow);scrollbar-width:thin;scrollbar-color:var(--line) transparent;border-radius:16px;padding:18px;position:absolute;top:calc(100% + 12px);right:0;overflow-y:auto}.color-settings-heading{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.color-settings-heading strong{font-size:15px}.color-settings-heading p,.color-settings-hint{color:var(--muted);margin:6px 0 12px;font-size:13px;line-height:1.6}.color-setting-row{grid-template-columns:1fr 32px 92px;align-items:center;gap:10px;margin-top:12px;font-size:13px;display:grid}.color-setting-row input[type=color]{cursor:pointer;border:1px solid var(--line);background:0 0;border-radius:8px;width:32px;height:32px;padding:2px}.color-setting-row input[type=text],.color-setting-row input.mono{width:92px;padding:7px 8px;font-size:13px}.color-settings-actions{gap:8px;margin-top:18px;display:flex}.color-settings-actions button{flex:1;justify-content:center;padding:8px;font-size:13px}@media (max-width:780px){.color-settings-panel{position:fixed;top:64px;right:12px}}.appearance-theme-options{border:1px solid var(--line);background:var(--surface-subtle);border-radius:10px;gap:4px;margin:4px 0 12px;padding:4px;display:flex}.appearance-theme-options>button{color:var(--secondary);white-space:nowrap;border-radius:7px;flex:1;justify-content:center;align-items:center;gap:5px;padding:8px 4px;font-size:13px;display:flex}.appearance-theme-options>button:hover{background:var(--hover)}.appearance-theme-options>button[aria-pressed=true]{color:var(--green);background:var(--surface);box-shadow:0 1px 4px var(--shadow-soft)}.stress-dialog{scrollbar-width:thin;scrollbar-color:var(--line) transparent;width:min(900px,100vw - 28px);max-height:calc(100dvh - 40px);overflow-y:auto}.stress-heading{justify-content:space-between;align-items:center;gap:12px;display:flex}.stress-heading h2{margin:0}.stress-dialog p{color:var(--muted);margin:14px 0;font-size:13px;line-height:1.7}.stress-program{margin:16px 0}.stress-program>div{justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px;display:flex}.stress-program>div>label{font-size:14px;font-weight:500}.stress-program>div>.custom-select{max-width:190px}.stress-program textarea{resize:vertical;scrollbar-width:thin;scrollbar-color:var(--line) transparent;width:100%;min-height:110px;max-height:350px;font-size:13px;line-height:1.6}.stress-limits{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:14px 0;display:grid}.stress-limits label{flex-direction:column;gap:8px;min-width:0;font-size:13px;display:flex}.stress-limits input{width:100%}@media (max-width:480px){.stress-dialog{padding:18px}.stress-dialog .modal-actions{flex-wrap:wrap}}
