@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:"0.16.45"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}:root{--font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;--font-serif: Georgia, "Times New Roman", serif;--color-bg-base: #171816;--color-bg-page: #1b1c19;--color-bg-shell: #1c1d1a;--color-bg-sidebar: #20211f;--color-bg-card: #242522;--color-bg-input: #1d1e1b;--color-bg-input-focus: #20211e;--color-bg-control: #20211e;--color-bg-segment: #151614;--color-text-primary: #e8e4dd;--color-text-heading: #e9e4da;--color-text-strong: #eee8df;--color-text-button-primary: #fff7f0;--color-text-muted: #aaa79f;--color-text-subtle: #8d8b84;--color-text-disabled: #666760;--color-text-sidebar: #ddd8cf;--color-accent: #c86f50;--color-action: #a96149;--color-action-hover: #b66a50;--color-link: #d18668;--color-success: #95d8ad;--color-error: #f0a09a;--color-error-bg: rgba(103, 40, 35, .26);--border-default: 1px solid rgba(255, 255, 255, .08);--border-subtle: 1px solid rgba(255, 255, 255, .06);--border-input: 1px solid rgba(255, 255, 255, .1);--border-control: 1px solid rgba(255, 255, 255, .09);--radius-sm: 4px;--radius-md: 7px;--radius-lg: 8px;--shadow-inset-soft: 0 1px 0 rgba(255, 255, 255, .04) inset;--shadow-control-inset: 0 1px 0 rgba(255, 255, 255, .12) inset;--focus-ring: 0 0 0 3px rgba(200, 111, 80, .16);color:var(--color-text-primary);background:var(--color-bg-base);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;overflow-x:hidden}body{margin:0;min-width:320px;min-height:100vh;background:var(--color-bg-base)}button,textarea,input{font:inherit}button{cursor:pointer}button:disabled,textarea:disabled{cursor:not-allowed;opacity:.6}.auth-callback{display:grid;min-height:100vh;place-items:center;padding:24px}.eyebrow{margin:0 0 6px;color:var(--color-accent);font-size:12px;font-weight:850;letter-spacing:0;text-transform:uppercase}h1,h2,p{margin-top:0}.primary-button,.send-button,.icon-button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:8px}.primary-button{gap:8px;min-height:42px;padding:0 16px;background:var(--color-action);color:var(--color-text-button-primary);font-weight:800;transition:background .16s ease}.primary-button:hover:not(:disabled){background:var(--color-action-hover)}.app-shell{display:grid;width:100%;height:100vh;height:100dvh;min-height:100vh;min-height:100dvh;grid-template-columns:288px minmax(0,1fr);overflow:hidden;background:var(--color-bg-shell)}.app-shell>*{min-height:0}.sidebar{display:flex;min-height:0;flex-direction:column;border-right:var(--border-default);background:var(--color-bg-sidebar);padding:24px 16px 14px}.brand-block,.chat-header,.auth-banner,.profile-card{display:flex;align-items:center}.brand-block{gap:12px;padding:0 0 18px}.brand-mark{display:grid;width:34px;height:34px;flex:0 0 auto;place-items:center;border-radius:50%;background:var(--color-accent);color:#fff6ee;font-weight:900}.brand-block>div:nth-child(2){flex:1;min-width:0}.brand-block h1,.chat-header h2{margin:0;font-size:20px;letter-spacing:0;color:var(--color-text-heading)}.icon-button,.send-button,.attach-button{width:36px;height:36px;flex:0 0 auto}.icon-button{border:var(--border-control);background:var(--color-bg-control);color:#d9d4ca;box-shadow:var(--shadow-control-inset);transition:background .16s ease,color .16s ease}.icon-button:hover:not(:disabled){background:#262722;color:#f0ece4}.locked-panel{display:grid;gap:12px;margin:14px 8px 12px;border:var(--border-default);border-radius:var(--radius-lg);background:var(--color-bg-card);padding:12px;box-shadow:var(--shadow-inset-soft)}.locked-panel p{margin:0;color:var(--color-text-muted);font-size:13px}.main-nav{display:grid;gap:4px;margin:10px 0 20px}.main-nav button{display:flex;align-items:center;gap:10px;min-height:33px;border:0;border-radius:var(--radius-md);background:transparent;color:var(--color-text-muted);padding:0 8px;font-size:14px;font-weight:650;text-align:left;transition:background .16s ease,color .16s ease}.main-nav button:hover,.main-nav button.active,.chat-item:hover,.chat-item.active{background:#ffffff0f;color:#f0ece2}.recents-label{margin:0 0 10px;color:var(--color-text-subtle);font-size:12px;font-weight:750}.chat-list{display:grid;align-content:start;gap:4px;min-height:0;overflow:auto}.chat-item{display:grid;gap:2px;min-height:34px;border:0;border-radius:var(--radius-md);background:transparent;padding:7px 8px;color:var(--color-text-muted);text-align:left}.chat-item-row{position:relative;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px;padding:0}.chat-open-button{display:grid;min-width:0;align-items:center;min-height:48px;border:0;background:transparent;color:inherit;padding:7px 8px;text-align:left}.chat-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-item small,.chat-item.ghost{color:var(--color-text-subtle)}.chat-actions{display:flex;gap:4px;opacity:0;padding-right:6px;pointer-events:none;transition:opacity .14s ease}.chat-item-row:hover .chat-actions,.chat-item-row:focus-within .chat-actions,.chat-actions.visible{opacity:1;pointer-events:auto}.chat-actions button{display:grid;width:28px;height:28px;place-items:center;border:0;border-radius:var(--radius-md);background:var(--color-bg-control);color:#d9d4ca;padding:0}.chat-actions button:hover{background:#262722;color:#f0ece2}.chat-side-meta{display:flex;align-items:center;gap:4px;padding-right:6px}.chat-side-meta .chat-actions{padding-right:0}.chat-activity-loader{flex:0 0 auto;color:var(--color-accent)}.chat-activity-dot{width:9px;height:9px;flex:0 0 auto;border-radius:50%;background:var(--color-accent);box-shadow:0 0 0 4px #c86f501f}.chat-activity-spacer{width:9px;height:9px;flex:0 0 auto}.chat-item-editing{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:6px;background:#ffffff0f}.chat-item-editing input{min-width:0;border:var(--border-input);border-radius:var(--radius-lg);outline:0;background:var(--color-bg-input);color:var(--color-text-strong);padding:5px 8px}.chat-item-editing input:focus{border-color:var(--color-accent);background:var(--color-bg-input-focus);box-shadow:var(--focus-ring)}.empty-history{border:1px dashed rgba(255,255,255,.1);border-radius:var(--radius-lg);color:var(--color-text-subtle);font-size:13px;padding:12px}.profile-card{width:100%;gap:10px;margin-top:auto;border:0;border-top:var(--border-default);background:transparent;padding:14px 8px 4px;color:var(--color-text-sidebar);text-align:left}.profile-card:hover,.profile-card[aria-expanded=true]{background:#ffffff0b}.avatar{display:grid;width:36px;height:36px;flex:0 0 auto;place-items:center;border-radius:50%;background:var(--color-bg-input);color:var(--color-text-strong);font-weight:800}.profile-card div:not(.avatar){display:grid;flex:1;min-width:0}.profile-card strong,.profile-card span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-card strong{font-size:14px}.profile-card span{color:var(--color-text-subtle);font-size:12px}.profile-menu{position:relative;margin-top:auto}.profile-chevron{transition:transform .16s ease}.profile-chevron.open{transform:rotate(180deg)}.profile-dropdown{position:absolute;right:0;bottom:calc(100% + 8px);left:0;display:grid;gap:4px;border:var(--border-default);border-radius:var(--radius-lg);background:var(--color-bg-card);padding:6px;box-shadow:var(--shadow-inset-soft);z-index:4}.profile-dropdown a,.profile-dropdown button{display:flex;align-items:center;gap:9px;min-height:34px;border:0;border-radius:var(--radius-md);background:transparent;color:#d9d4ca;padding:0 8px;text-align:left;text-decoration:none}.profile-dropdown a:hover,.profile-dropdown button:hover{background:#ffffff0f;color:#f0ece2}.chat-panel{display:grid;min-width:0;max-width:100%;grid-template-rows:auto auto minmax(0,1fr) auto;height:100%;min-height:0;overflow:hidden;background:var(--color-bg-page)}.chat-panel>*{min-width:0}.chat-header{justify-content:space-between;gap:16px;min-height:76px;padding:18px 28px}.chat-header h2{color:var(--color-text-heading);font-family:var(--font-serif);font-size:clamp(32px,4vw,46px);font-weight:500;line-height:1.08}.chat-title-row{display:flex;min-width:0;align-items:center;gap:10px}.chat-title-loader{flex:0 0 auto;color:var(--color-accent)}.status-pill{border:var(--border-control);border-radius:var(--radius-lg);background:var(--color-bg-control);color:var(--color-text-muted);font-size:13px;font-weight:700;padding:6px 10px;box-shadow:var(--shadow-control-inset)}.error-banner,.auth-banner{margin:0 auto 14px;width:min(676px,calc(100% - 56px));border-radius:var(--radius-lg);padding:12px 14px;line-height:1.45}.error-banner{border:var(--border-subtle);background:var(--color-error-bg);color:var(--color-error)}.auth-banner{justify-content:space-between;gap:12px;border:var(--border-default);background:var(--color-bg-card);color:#c9c3b9;box-shadow:var(--shadow-inset-soft)}.auth-banner button{flex:0 0 auto;border:0;border-radius:var(--radius-md);background:var(--color-action);color:var(--color-text-button-primary);font-weight:800;padding:7px 12px}.chat-notices:empty{display:none}.messages{display:flex;max-width:100%;min-width:0;min-height:0;flex-direction:column;gap:14px;overflow:auto;padding:28px 28px 174px;scrollbar-width:none;-ms-overflow-style:none}.messages::-webkit-scrollbar{display:none}.message{min-width:0;max-width:min(720px,calc(100% - 32px));border-radius:var(--radius-lg);padding:12px 14px;overflow-wrap:anywhere}.markdown-message{display:grid;gap:10px;max-width:100%;-webkit-user-select:text;user-select:text}.markdown-message h1,.markdown-message h2,.markdown-message h3,.markdown-message p,.markdown-message ul,.markdown-message ol,.markdown-message blockquote,.markdown-message pre{margin:0}.markdown-message h1,.markdown-message h2,.markdown-message h3{color:var(--color-text-strong);font-family:var(--font-sans);font-weight:750;line-height:1.2}.markdown-message h1{font-size:24px}.markdown-message h2{font-size:20px}.markdown-message h3{font-size:17px}.markdown-message p,.markdown-message li{max-width:100%;overflow-wrap:anywhere;white-space:pre-wrap;word-break:break-word}.markdown-message ul,.markdown-message ol{display:grid;gap:6px;padding-left:22px}.markdown-message blockquote{border-left:3px solid var(--color-accent);color:#c9c3b9;padding-left:12px}.markdown-message hr{width:100%;height:1px;border:0;background:#ffffff14}.markdown-message pre{max-width:100%;overflow:auto;border-radius:var(--radius-lg);background:var(--color-bg-input);padding:10px 12px}.markdown-message code{border-radius:5px;background:var(--color-bg-input);color:#f3e6d8;font-family:JetBrains Mono,Consolas,Liberation Mono,monospace;font-size:.92em;padding:2px 5px}.markdown-message pre code{display:block;background:transparent;color:var(--color-text-strong);padding:0;white-space:pre}.markdown-message a{color:var(--color-link)}.math-formula{color:var(--color-text-strong)}.math-formula.block{display:block;max-width:100%;overflow-x:auto;overflow-y:hidden;border-radius:var(--radius-lg);background:var(--color-bg-input);padding:10px 12px}.math-formula.inline{display:inline-block;max-width:100%;overflow-x:auto;vertical-align:-.12em}.katex{font-size:1.05em}.message-loader{width:34px;height:34px;border:5px solid rgba(200,111,80,.16);border-top-color:var(--color-accent);border-right-color:#c86f5073;border-radius:50%;animation:spin .82s linear infinite}.chat-creation-state{display:flex;align-items:center;align-self:center;gap:14px;margin:auto;max-width:min(420px,calc(100% - 32px));border:var(--border-default);border-radius:var(--radius-lg);background:var(--color-bg-card);padding:16px;box-shadow:var(--shadow-inset-soft)}.chat-creation-state .message-loader{width:30px;height:30px;flex:0 0 auto;border-width:4px}.chat-creation-state h3{margin:0 0 3px;color:var(--color-text-strong);font-size:16px;line-height:1.25}.chat-creation-state p{margin:0;color:var(--color-text-subtle);font-size:14px;line-height:1.4}.message.user{align-self:flex-end;border:1px solid rgba(200,111,80,.22);background:#a9614947;color:#fff7f0}.message.user span{color:var(--color-link)}.message.assistant,.message.tool{align-self:flex-start;border:var(--border-default);background:var(--color-bg-card);box-shadow:var(--shadow-inset-soft)}.empty-state{display:grid;place-items:center;align-self:center;margin:auto;max-width:560px;color:var(--color-text-subtle);text-align:center}.empty-state svg{margin-bottom:12px;color:var(--color-accent)}.empty-state h2{margin-bottom:10px;color:var(--color-text-heading);font-family:var(--font-serif);font-size:clamp(32px,4vw,46px);font-weight:500;letter-spacing:0;line-height:1.08}.empty-state p{max-width:480px}.composer-limit-warning{position:fixed;right:0;bottom:92px;left:288px;z-index:3;width:min(676px,calc(100% - 56px));min-height:34px;margin:0 auto;border:var(--border-default);border-radius:18px 18px 8px 8px;background:#2b2c29;color:#d8d2c8;padding:8px 18px;font-size:13px;font-weight:650;line-height:1.35;box-shadow:var(--shadow-inset-soft)}.composer{display:grid;width:min(676px,calc(100% - 56px));min-height:58px;max-height:236px;grid-template-columns:32px minmax(0,1fr) 40px;grid-template-rows:minmax(40px,auto) auto;gap:8px 10px;align-items:end;align-self:stretch;margin:0 auto;border:var(--border-default);border-radius:28px;background:var(--color-bg-card);padding:9px 10px 9px 14px;position:fixed;right:0;bottom:28px;left:288px;z-index:2;box-shadow:var(--shadow-inset-soft)}.composer-file-input{display:none}.composer-field{grid-column:2;grid-row:1;min-width:0;align-self:center}.composer textarea{display:block;width:100%;height:40px;min-height:0;max-height:128px;resize:none;border:0;border-radius:0;outline:0;background:transparent;color:var(--color-text-strong);overflow:auto;padding:8px 0;line-height:1.5}.composer textarea:focus{box-shadow:none}.attach-button{grid-column:1;grid-row:1;width:32px;height:32px;align-self:end;border:0;border-radius:50%;background:transparent;color:#c9c5bd;box-shadow:none;transition:background .16s ease,color .16s ease}.attach-button:hover:not(:disabled){background:#ffffff12;color:#f0ece2}.composer textarea::placeholder{color:var(--color-text-subtle)}.composer textarea[readonly]{color:var(--color-text-subtle)}.send-button{grid-column:3;grid-row:1;width:40px;height:40px;align-self:end;border-radius:50%;background:#f4f1ea;color:#171816;transition:background .16s ease,color .16s ease,opacity .16s ease}.send-button:hover:not(:disabled){background:#fff}.send-button:disabled{background:#ffffff24;color:#ffffff75;opacity:1}.pending-images{display:flex;grid-column:1 / 4;grid-row:2;gap:8px;min-width:0;max-height:82px;overflow-x:auto;overflow-y:hidden}.pending-image{display:grid;width:112px;min-width:112px;grid-template-columns:minmax(0,1fr) auto;gap:6px;align-items:center;border:var(--border-default);border-radius:var(--radius-lg);background:var(--color-bg-input);padding:6px}.pending-image img{grid-column:1 / 3;width:100%;height:48px;border-radius:6px;object-fit:cover}.pending-image span{overflow:hidden;color:#c9c3b9;font-size:12px;text-overflow:ellipsis;white-space:nowrap}.pending-image button{display:grid;width:22px;height:22px;place-items:center;border:0;border-radius:6px;background:var(--color-bg-control);color:#d9d4ca;padding:0}.message-attachments{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.message-attachment{display:grid;width:150px;height:108px;overflow:hidden;place-items:center;border:var(--border-default);border-radius:var(--radius-lg);background:var(--color-bg-input);color:var(--color-text-subtle);font-size:12px;text-decoration:none}.message-attachment img{width:100%;height:100%;object-fit:cover}.message-attachment.loading{padding:8px}.limits-page,.chats-page,.info-page{min-width:0;overflow:auto;background:var(--color-bg-page);padding:clamp(24px,5vw,64px)}.limits-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 auto 24px;max-width:1040px}.chats-page-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 auto 24px;max-width:760px}.info-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 auto 24px;max-width:900px}.limits-header h2,.chats-page-header h2,.info-header h2{margin:0;color:var(--color-text-heading);font-family:var(--font-serif);font-size:clamp(32px,4vw,46px);font-weight:500;line-height:1.08}.secondary-link{display:inline-flex;align-items:center;gap:8px;min-height:42px;border:var(--border-control);border-radius:var(--radius-lg);background:var(--color-bg-control);color:#d9d4ca;padding:0 12px;text-decoration:none;font-weight:800;box-shadow:var(--shadow-control-inset);transition:background .16s ease,color .16s ease}.secondary-link:hover{background:#262722;color:#f0ece2}.limits-grid{display:grid;max-width:1040px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin:0 auto}.chats-page-list{display:grid;max-width:760px;gap:8px;margin:0 auto}.info-content{display:grid;max-width:900px;gap:14px;margin:0 auto}.info-section{display:grid;gap:12px;border:var(--border-default);border-radius:var(--radius-lg);background:var(--color-bg-card);padding:20px;box-shadow:var(--shadow-inset-soft)}.info-section-heading{display:flex;align-items:center;gap:10px;color:var(--color-link)}.info-section h3{margin:0;color:var(--color-text-strong);font-size:20px}.info-section p{margin:0;color:#c9c3b9}.owner-details{display:grid;gap:10px;margin:0}.owner-details div{display:grid;grid-template-columns:150px minmax(0,1fr);gap:12px;border-top:var(--border-subtle);padding-top:10px}.owner-details dt{color:var(--color-text-subtle);font-weight:700}.owner-details dd{margin:0;color:var(--color-text-strong)}.chats-page-item{display:grid;min-width:0;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:8px;border:var(--border-default);border-radius:var(--radius-lg);background:var(--color-bg-card);padding:8px;box-shadow:var(--shadow-inset-soft)}.chats-page-item>button:first-child{display:grid;min-width:0;align-items:center;min-height:48px;border:0;border-radius:var(--radius-md);background:transparent;color:var(--color-text-primary);padding:6px 8px;text-align:left}.chats-page-item>button:first-child:hover{background:#ffffff0f}.chats-page-item span,.chats-page-item small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chats-page-item span{color:var(--color-text-strong);font-weight:700}.chats-page-item small{color:var(--color-text-subtle)}.chats-page-delete{display:grid;width:38px;height:38px;place-items:center;border:0;border-radius:var(--radius-md);background:var(--color-bg-control);color:#d9d4ca;padding:0}.chats-page-delete:hover{background:var(--color-error-bg);color:var(--color-error)}.limit-card{display:grid;gap:18px;border:var(--border-default);border-radius:var(--radius-lg);background:var(--color-bg-card);padding:20px;box-shadow:var(--shadow-inset-soft)}.limit-card-header{display:flex;align-items:start;justify-content:space-between;gap:12px}.limit-card h3{margin:0;color:var(--color-text-strong);font-size:17px}.limit-card-header span,.limit-numbers,.limits-empty p{color:var(--color-text-subtle)}.limit-card-header strong{border:1px solid rgba(200,111,80,.5);border-radius:var(--radius-lg);background:#a9614947;color:var(--color-text-button-primary);font-size:12px;padding:3px 8px}.limit-meter{display:grid;gap:8px}.limit-meter-row,.limit-numbers{display:flex;justify-content:space-between;gap:10px}.limit-meter-row{align-items:flex-start}.limit-meter-title{display:grid;gap:2px}.limit-meter-row span{color:#c9c3b9}.limit-meter-title small{color:var(--color-text-subtle);font-size:12px}.limit-meter-row strong{color:var(--color-text-strong);font-size:13px}.limit-track{height:8px;overflow:hidden;border-radius:var(--radius-lg);background:var(--color-bg-input)}.limit-track span{display:block;height:100%;border-radius:inherit;background:var(--color-action)}.limit-numbers{font-size:12px}.limits-state,.limits-empty,.chats-empty{display:grid;place-items:center;gap:10px;min-height:320px;color:#c9c3b9;text-align:center}.limits-empty h3,.chats-empty h3{margin:0;color:var(--color-text-strong);font-size:20px}.limits-error{max-width:1040px}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:760px){body{background:var(--color-bg-page)}.app-shell{height:100dvh;min-height:100dvh;grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr)}.sidebar{min-height:auto;max-height:min(38dvh,284px);border-right:0;border-bottom:var(--border-default);overflow:hidden;padding:12px 12px 10px}.brand-block{gap:10px;padding:0 0 10px}.brand-mark{width:34px;height:34px;border-radius:8px}.brand-block h1{font-size:18px}.locked-panel{margin:4px 0 10px;padding:10px}.main-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0 0 10px}.main-nav button{justify-content:center;min-height:40px;background:var(--color-bg-control);padding:0 10px;white-space:nowrap}.recents-label,.chat-list{display:none}.chat-item{background:var(--color-bg-control)}.chat-item-row,.chat-open-button{min-height:58px}.chat-actions{opacity:1;pointer-events:auto}.chat-actions button{width:30px;height:30px}.profile-menu{display:none}.chat-panel{height:auto;min-height:0}.chat-header{min-height:64px;padding:12px 16px}.chat-header h2,.empty-state h2{font-size:30px}.chat-header{align-items:flex-start}.status-pill{font-size:12px;padding:5px 8px}.messages{gap:10px;padding:14px 12px 168px}.message{max-width:calc(100% - 8px);padding:10px 12px}.empty-state{max-width:320px;padding:0 16px}.composer,.composer-limit-warning,.auth-banner,.error-banner{width:calc(100% - 32px)}.composer-limit-warning{right:16px;bottom:76px;left:16px;min-height:32px;padding:7px 16px}.composer{right:16px;bottom:max(12px,env(safe-area-inset-bottom));left:16px;min-height:56px;max-height:min(220px,34dvh);grid-template-columns:32px minmax(0,1fr) 38px;grid-template-rows:minmax(38px,auto) auto;gap:8px;border-radius:28px;padding:9px 10px 9px 13px}.composer textarea{height:38px;max-height:108px;padding:7px 0}.icon-button,.send-button,.attach-button{width:38px;height:38px}.attach-button{width:32px;height:32px}.pending-images{max-height:72px}.pending-image{width:96px;min-width:96px}.pending-image img{height:40px}.auth-banner{align-items:flex-start}.chats-page,.info-page{padding:18px 16px 130px}.chats-page-header,.info-header{align-items:flex-start;margin-bottom:18px}.chats-page-header h2,.info-header h2{font-size:30px}.chats-page-list{gap:8px}.info-section{padding:14px}.owner-details div{grid-template-columns:1fr;gap:4px}.chats-page-item{padding:7px}}@media(max-width:480px){.sidebar{max-height:min(35dvh,246px)}.locked-panel p{display:none}.main-nav button{gap:7px;font-size:14px}.chat-actions{gap:2px;padding-right:4px}.chat-actions button{width:28px;height:28px}.chat-header h2,.empty-state h2{font-size:26px}.chat-header{gap:10px}.auth-banner,.error-banner{width:calc(100% - 24px)}.composer,.composer-limit-warning{right:12px;left:12px;width:calc(100% - 24px)}.message-attachment{width:132px;height:96px}.chats-page,.info-page{padding:16px 12px 120px}.chats-page-header h2,.info-header h2{font-size:26px}.chats-page-header .secondary-link,.info-header .secondary-link{min-height:34px;padding:0 10px}}