@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.16.45"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:min-content;position:relative}.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;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 .vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{flex-direction:row;display:inline-flex}.katex .thinbox{width:0;max-width:0}.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 .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{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.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;width:100%;display:inline-block}.katex .hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.root{margin-left:.277778em;margin-right:-.555556em}.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:.833333em}.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:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333em}.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:1.66667em}.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:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.857143em}.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:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55429em}.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:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.888889em}.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:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333em}.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:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444em}.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:.416667em}.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:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.666667em}.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:.833333em}.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:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.555556em}.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:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.833333em}.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:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.833333em}.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:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.833173em}.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:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.833601em}.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{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 .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{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 .stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .stretchy:after,.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 .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 .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>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}:root{--bg-0:#0d0b1a;--bg-1:#161329;--fg:#f4f1ff;--fg-muted:#a59ec5;--accent:#c084fc;--accent-2:#f472b6;--ok:#4ade80;--no:#f87171;--card:#ffffff0a;--card-border:#ffffff14}*{box-sizing:border-box}html,body,#root{background:var(--bg-0);height:100%;color:var(--fg);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:19px;line-height:1.5}.page{background:radial-gradient(1200px 600px at 20% 10%, #c084fc2e, transparent 60%), radial-gradient(1000px 500px at 80% 90%, #f472b624, transparent 60%), linear-gradient(180deg, var(--bg-0), var(--bg-1));place-items:center;min-height:100vh;padding:2rem;display:grid}.container{flex-direction:column;gap:1.5rem;width:100%;max-width:640px;display:flex}.container.wide{max-width:960px}.header{flex-wrap:wrap;justify-content:space-between;align-items:center;row-gap:.5rem;display:flex}.brand{letter-spacing:.02em;align-items:center;gap:.6rem;font-size:1.05rem;font-weight:600;display:inline-flex}.dot{background:linear-gradient(135deg, var(--accent), var(--accent-2));width:10px;height:10px;box-shadow:0 0 16px var(--accent);border-radius:999px}.progress{gap:6px;display:inline-flex}.pip{background:var(--card-border);border-radius:3px;width:26px;height:6px;transition:background .2s}.pip.filled{background:linear-gradient(90deg, var(--accent), var(--accent-2));box-shadow:0 0 12px #c084fc99}.card{background:var(--card);border:1px solid var(--card-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:0;border-radius:18px;flex-direction:column;gap:1.25rem;padding:2rem;display:flex;position:relative;box-shadow:0 30px 80px #00000073}.card:has(.kebab-menu){z-index:100}.topic{text-transform:uppercase;letter-spacing:.16em;color:var(--fg-muted);font-size:.72rem}.prompt{margin:0;font-size:1.5rem;font-weight:500;line-height:1.35}.question-image{max-width:100%;height:auto;margin:0 auto .75rem;display:block}textarea{resize:vertical;border:1px solid var(--card-border);width:100%;color:var(--fg);font:inherit;background:#00000040;border-radius:12px;outline:none;padding:.9rem 1rem;transition:border-color .15s,box-shadow .15s}textarea.masked,input.masked{-webkit-text-security:disc;text-security:disc}.icon-btn{width:32px;height:32px;color:var(--muted,#ffffff8c);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;padding:0;text-decoration:none;transition:color .12s,background .12s,border-color .12s;display:inline-flex}.icon-btn:hover:not(:disabled){color:var(--fg);border-color:var(--card-border);background:#ffffff0f;outline:none}.icon-btn:focus-visible{color:var(--fg);border-color:var(--card-border);background:#ffffff0f;outline:none}.icon-btn:disabled{opacity:.35;cursor:not-allowed}textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #c084fc2e}.actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.hint{color:var(--fg-muted);font-size:.85rem}.write-hint{margin:0 0 .5rem}button{font:inherit;cursor:pointer}.primary{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#1a0d2e;letter-spacing:.01em;border:0;border-radius:10px;padding:.75rem 1.4rem;font-weight:600;transition:transform 80ms,filter .15s}.primary:hover:not(:disabled){filter:brightness(1.08)}.primary:active:not(:disabled){transform:translateY(1px)}.primary:disabled{opacity:.5;cursor:not-allowed}.primary.small{padding:.5rem .9rem;font-size:.9rem}.secondary{color:var(--fg);border:1px solid var(--card-border);background:0 0;border-radius:10px;padding:.7rem 1.2rem;font-weight:500;transition:border-color .15s,background .15s}.secondary:hover:not(:disabled){border-color:var(--accent);background:#ffffff08}.secondary:disabled{opacity:.45;cursor:not-allowed}.secondary.small{padding:.5rem .9rem;font-size:.9rem}.subject-bar{flex-wrap:wrap;gap:.5rem;margin-bottom:.9rem;display:flex}.chip{color:var(--fg-muted);border:1px solid var(--card-border);background:0 0;border-radius:999px;padding:.4rem .85rem;font-size:.85rem;font-weight:500;transition:border-color .15s,color .15s,background .15s}.chip:hover:not(:disabled){border-color:var(--accent);color:var(--fg)}.chip.selected{border-color:var(--accent);color:var(--fg);background:#ffffff0d}.chip.selected:disabled{opacity:1;cursor:default}.chip:disabled{opacity:.45;cursor:not-allowed}.verdict{border:1px solid var(--card-border);background:var(--card);border-radius:14px;flex-wrap:wrap;align-items:center;gap:1rem;padding:1rem 1.2rem;display:flex}.notice{background:var(--card);border:1px solid #c084fc66;border-radius:14px;flex-direction:column;gap:.7rem;margin-bottom:.75rem;padding:.9rem 1.1rem;display:flex}.notice .notice-msg{line-height:1.4}.notice .actions{flex-wrap:wrap;gap:.6rem;display:flex}.notice.nudge{border-color:#94a3b859;gap:.5rem}.notice.nudge .nudge-title{font-weight:600}.nudge-topics{flex-wrap:wrap;gap:.4rem;display:flex}.subjects-carryover{margin:.5rem 0 0;line-height:1.4}.actions.subjects-suggest{margin-top:.5rem}.verdict.ok{border-color:#4ade8066}.verdict.ok strong{color:var(--ok)}.verdict.no{border-color:#f8717166;flex-direction:column;align-items:stretch}.verdict.no strong{color:var(--no)}.verdict.no .verdict-msg{flex-wrap:wrap;gap:.5rem;display:flex}.verdict.ok button{margin-left:auto}.verdict .wrong-actions{flex-wrap:wrap;justify-content:flex-end;gap:.6rem;margin-top:.5rem;display:flex}.field{flex-direction:column;flex:1 1 0;gap:.4rem;display:flex}.field label{color:var(--fg-muted);text-transform:uppercase;letter-spacing:.08em;font-size:.85rem}.field input:not([type=checkbox]):not([type=radio]),.field select,.field textarea{border:1px solid var(--card-border);color:var(--fg);font:inherit;background:#00000040;border-radius:10px;outline:none;padding:.7rem .9rem;transition:border-color .15s,box-shadow .15s}.field input:not([type=checkbox]):not([type=radio]):focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #c084fc2e}.field-row{flex-wrap:wrap;gap:1rem;display:flex}.bank-list{border:1px solid var(--card-border);background:#0000002e;border-radius:10px;flex-direction:column;gap:.4rem;max-height:16rem;padding:.6rem .8rem;display:flex;overflow-y:auto}.bank-list.option-bank{max-height:12rem}.bank-item{cursor:pointer;align-items:baseline;gap:.6rem;display:flex}.bank-item .bank-title{flex:auto;min-width:0}.bank-item input[type=checkbox]{accent-color:var(--accent)}.toggle-row{cursor:pointer;align-items:baseline;gap:.6rem;margin:.75rem 0;display:flex}.toggle-row input[type=checkbox]{accent-color:var(--accent)}.explanation{border:1px solid var(--card-border);white-space:pre-wrap;background:#ffffff0a;border-radius:10px;padding:.9rem 1rem;line-height:1.5}.code-inline{white-space:nowrap;border:1px solid var(--card-border);background:#ffffff12;border-radius:5px;padding:.1em .35em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}.code-block{border:1px solid var(--card-border);white-space:pre;background:#00000047;border-radius:8px;margin:.75rem 0;padding:.75rem .9rem;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;line-height:1.45;overflow-x:auto}.hljs-keyword,.hljs-meta{color:var(--accent)}.hljs-title,.hljs-title.function_,.hljs-built_in{color:var(--accent-2)}.hljs-type,.hljs-literal,.hljs-number{color:var(--ok)}.hljs-string,.hljs-symbol{color:#fcd34d}.hljs-comment{color:var(--fg-muted);font-style:italic}.hljs-punctuation,.hljs-operator{color:var(--fg-muted)}.assisted-note{border-top:1px solid var(--card-border);white-space:normal;margin:.75rem 0 0;padding-top:.6rem}.muted{color:var(--fg-muted)}.parent-skip-row{text-align:center;margin-top:1.5rem}.error{white-space:pre-wrap;background:#f871711a;border-radius:10px;padding:1rem}.celebrate{text-align:center;padding:4rem 1rem}.celebrate h1{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#0000;-webkit-background-clip:text;background-clip:text;margin:0 0 .5rem;font-size:3rem}.page.level-child{--accent:#facc15;--accent-2:#fb923c}.page.level-child .prompt{font-size:2rem;line-height:1.3}.page.level-child textarea{min-height:4rem;font-size:1.4rem}.page.level-child .primary{padding:.9rem 1.6rem;font-size:1.1rem}.page.level-child .topic{font-size:.85rem}.page.level-tween{--accent:#38bdf8;--accent-2:#818cf8}.page.level-tween .prompt{font-size:1.7rem}.page.level-tween textarea{font-size:1.15rem}.bank-item.block{display:block}.row-baseline{align-items:baseline;gap:.5rem;display:flex}.row-grid-3col{grid-template-columns:1fr auto auto;align-items:baseline;gap:1rem;display:grid}.row-meta{margin-top:.25rem;font-size:.9rem}.row-sub{font-size:.85rem}.tabular{font-variant-numeric:tabular-nums}.section-title{margin-top:1.5rem}.actions.spaced{gap:.75rem;margin-top:1.5rem}.actions.centered{justify-content:center;gap:.75rem;margin-top:1.5rem}.card.post-invite>.prompt{margin-top:0}.actions.row-actions{gap:.5rem;margin-top:.5rem}.actions.section-end{margin-top:1.5rem}.invite-share{flex-direction:column;gap:.5rem;display:flex}.invite-row{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.invite-code{letter-spacing:.15em;background:#0000000d;border-radius:.25rem;padding:.25rem .5rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.2rem}.invite-qr{flex-direction:column;align-items:flex-start;gap:.25rem;text-decoration:none;display:flex}.invite-qr img{background:#fff;border-radius:.25rem;padding:.25rem;display:block}.icon-btn{position:relative}.copied-flash{color:#fff;white-space:nowrap;pointer-events:none;background:#000c;border-radius:.25rem;padding:.15rem .5rem;font-size:.8rem;position:absolute;bottom:calc(100% + .25rem);left:50%;transform:translate(-50%)}.kid-row{border-bottom:1px solid var(--card-border);grid-template-columns:1fr auto auto auto;align-items:center;gap:.75rem;padding:.6rem .5rem;display:grid}.kid-row:last-child{border-bottom:none}.kid-row.inactive .kid-name,.kid-row.inactive .kid-sub{opacity:.65;text-decoration:line-through}.kid-name{font-weight:600}.kid-sub{color:var(--fg-muted);font-size:.85rem}.tabs{border-bottom:1px solid var(--card-border);gap:.25rem;margin-bottom:1rem;display:flex}.tab{color:var(--fg-muted);cursor:pointer;font:inherit;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:.5rem 1rem}.tab:hover{color:var(--fg)}.tab.active{color:var(--fg);border-bottom-color:var(--accent)}.header-actions{align-items:center;gap:.5rem;margin-left:auto;display:flex}.header-actions button{white-space:nowrap}.security-hint svg{flex:none}.security-hint{align-items:center;gap:.4rem;display:inline-flex}.security-hint .hint-dot{background:var(--accent-2);border-radius:50%;width:.5rem;height:.5rem;box-shadow:0 0 0 3px #f472b638}.security-options{gap:.75rem;display:grid}.security-option{border:1px solid var(--card-border);border-radius:12px;flex-direction:column;gap:.5rem;padding:.9rem 1rem;display:flex}.security-option.recommended{border-color:var(--accent)}.security-option-head{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.security-option p{margin:0}.security-option .actions{justify-content:flex-start}.badge-recommended{color:var(--accent);text-transform:uppercase;letter-spacing:.04em;background:#c084fc2e;border-radius:999px;padding:.1rem .5rem;font-size:.72rem;font-weight:600}.cred-recommended{vertical-align:middle;margin-left:.45rem}.cred-hint{margin:.25rem 0 0;font-size:.9rem}.cred-remove{padding:.25rem .6rem;font-size:.8rem}.card .card-title,.card .card-intro{margin-top:0}.cred-list{margin:0;padding:0;list-style:none}.cred-list>li{border-bottom:1px solid var(--card-border);padding:.5rem 0}.cred-list>li:last-child{border-bottom:none}.cred-row{justify-content:space-between;align-items:center;gap:.75rem;display:flex}.cred-meta{align-items:center;gap:.75rem;display:inline-flex}.cred-instances{margin:.25rem 0 0;padding:0;font-size:.9rem;list-style:none}.cred-instances li{justify-content:space-between;align-items:center;gap:.5rem;display:flex}.qr-mini{cursor:pointer;background:#fff;border:none;border-radius:4px;padding:2px;display:block}.qr-mini canvas{display:block}.modal-backdrop{z-index:200;background:#0009;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.modal-card{background:var(--bg-1);border:1px solid var(--card-border);border-radius:12px;width:100%;max-width:360px;padding:1.25rem}.modal-message{margin:0}.modal-actions{justify-content:flex-end;margin-top:1rem}.modal-form{flex-direction:column;gap:.75rem;margin-top:.75rem;display:flex}.modal-form .modal-actions{margin-top:0}.modal-form input[type=number],.modal-form input[inputmode=decimal]{width:100%}.modal-field{flex-direction:column;gap:.25rem;display:flex}.modal-field-label{font-size:.85rem}.modal-card-wide{max-width:520px}.modal-title{margin:0 0 .25rem}.modal-intro{margin:0 0 .75rem;font-size:.85rem}.add-subject-search{flex:2}.add-subject-list{max-height:320px;margin-top:.5rem;overflow-y:auto}.add-subject-item{text-align:left;cursor:pointer;background:0 0;width:100%}.add-subject-item:hover{border-color:var(--accent)}.chip-add{cursor:pointer;border-style:dashed}.chip-add-invite{border-style:solid;border-color:var(--accent);color:var(--accent);font-weight:600;animation:1.6s ease-in-out 3 chip-invite}@keyframes chip-invite{50%{transform:scale(1.06)}}@media (prefers-reduced-motion:reduce){.chip-add-invite{animation:none}}.subjects-modal{max-height:90vh;overflow-y:auto}.subjects-modal .add-subject-list{max-height:35vh}.kid-start-add{justify-content:center;margin-top:1rem;display:flex}.subjects-current{margin-bottom:.75rem}.subjects-current .chip{padding:.2rem .6rem;font-size:.85rem}.chip-locked{opacity:.75;cursor:default}.chip-removable{align-items:center;gap:.35rem;display:inline-flex}.chip-remove{cursor:pointer;color:inherit;background:0 0;border:none;padding:0 .15rem;font-size:1rem;line-height:1}.subjects-add-heading{margin:.5rem 0}.kebab{position:relative}.kebab-btn{border:1px solid var(--card-border);color:var(--fg);cursor:pointer;background:0 0;border-radius:6px;padding:.25rem .5rem;font-size:1.1rem;line-height:1}.kebab-menu{background:var(--bg-1);border:1px solid var(--card-border);z-index:50;border-radius:8px;min-width:180px;position:absolute;top:calc(100% + .25rem);right:0;overflow:hidden;box-shadow:0 12px 32px #0006}.kebab-menu button{text-align:left;width:100%;color:var(--fg);cursor:pointer;background:0 0;border:none;padding:.55rem .85rem;font-size:.95rem}.kebab-menu button:hover:not(:disabled){background:#ffffff0f}.kebab-menu button:disabled{opacity:.5;cursor:not-allowed}.kebab-menu .danger{color:var(--no)}.pending-invites{margin-bottom:1rem}.pending-invites-title{align-items:center;gap:.5rem;margin-top:0;display:flex}.count-badge{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#1a1025;border-radius:999px;justify-content:center;align-items:center;min-width:1.5rem;height:1.5rem;padding:0 .4rem;font-size:.85rem;font-weight:700;display:inline-flex}.pending-invites-intro{margin-top:0;font-size:.9rem}.pending-invite-row{border-bottom:1px solid var(--card-border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;padding:.6rem .5rem;display:flex}.pending-invite-row:last-child{border-bottom:none}.pending-invite-actions{margin:0}.modal-error{margin:0;font-size:.85rem}.toast{color:#052e16;z-index:100;background:#4ade80eb;border-radius:999px;padding:.6rem 1.2rem;font-weight:600;animation:.18s ease-out toast-in;position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%);box-shadow:0 8px 24px #0000004d}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,.5rem)}}@media (max-width:480px){html,body,#root{font-size:17px}.page{place-items:start center;padding:.75rem}.card{border-radius:14px;gap:.9rem;padding:1.1rem}.header{flex-wrap:wrap;gap:.5rem}.security-hint-label{display:none}.actions,.actions.spaced{flex-wrap:wrap;gap:.5rem}.actions.row-actions button,.actions.spaced button{flex:auto}.invite-row{align-items:stretch}.invite-code{text-align:center;flex:100%}.invite-qr img{max-width:100%;height:auto}.row-baseline{flex-wrap:wrap;gap:.35rem}}.landing{background:radial-gradient(1200px 600px at 20% 0%, #c084fc2e, transparent 60%), radial-gradient(1000px 500px at 85% 25%, #f472b61f, transparent 60%), linear-gradient(180deg, var(--bg-0), var(--bg-1));min-height:100vh}.landing-section{max-width:1080px;margin:0 auto;padding:3rem 1.5rem 0}.landing-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;padding-top:1.25rem;display:flex}.landing-hero{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:center;gap:3rem;padding-top:3.5rem;display:grid}.landing-badge{border:1px solid var(--card-border);letter-spacing:.08em;text-transform:uppercase;color:var(--fg-muted);border-radius:999px;margin:0 0 1.25rem;padding:.3rem .9rem;font-size:.78rem;display:inline-block}.landing-title{background:linear-gradient(135deg, var(--fg), var(--accent));color:#0000;-webkit-background-clip:text;background-clip:text;margin:0 0 1rem;font-size:max(2.1rem,min(4.5vw,3.2rem));line-height:1.12}.landing-sub{color:var(--fg-muted);max-width:34rem;margin:0 0 1.75rem}.landing-cta-row{flex-wrap:wrap;align-items:center;gap:1rem;display:flex}.landing-cta-note{margin:.75rem 0 0}.landing-h2{margin:0 0 1.5rem;font-size:1.6rem}.landing-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem;margin:0;padding:0;list-style:none;display:grid}.landing-step,.landing-feature,.landing-path{background:var(--card);border:1px solid var(--card-border);border-radius:14px;padding:1.25rem 1.5rem}.landing-step-num{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#1a0d2e;border-radius:999px;justify-content:center;align-items:center;width:2rem;height:2rem;font-weight:700;display:inline-flex}.landing-step h3{margin:.75rem 0 .4rem;font-size:1.05rem}.landing-feature h3,.landing-path h3{margin:0 0 .4rem;font-size:1.05rem}.landing-step p,.landing-feature p,.landing-path p{color:var(--fg-muted);margin:0;font-size:.95rem}.landing-feature a,.landing-path a{color:var(--accent);margin-top:.6rem;display:inline-block}.landing-grid{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.25rem;display:grid}.landing-paths{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem;display:grid}.pricing-plans{grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:1.25rem;display:grid}.pricing-plan{background:var(--card);border:1px solid var(--card-border);border-radius:18px;flex-direction:column;padding:1.75rem 1.75rem 1.5rem;display:flex}.pricing-plan.featured{border-color:var(--accent);box-shadow:0 0 0 1px #c084fc40}.pricing-plan h3{margin:0;font-size:1.25rem}.pricing-tagline{color:var(--fg-muted);margin:.35rem 0 1rem;font-size:.95rem}.pricing-price{margin:0}.pricing-amount{font-size:2.2rem;font-weight:700}.pricing-period{color:var(--fg-muted)}.pricing-vat{color:var(--fg-muted);margin:.2rem 0 0;font-size:.85rem}.pricing-features{flex:1;margin:1.25rem 0 1.5rem;padding-left:1.2rem}.pricing-features li{margin:.45rem 0;font-size:.95rem}.pricing-cta .hint{margin:.6rem 0 0}.pricing-title{margin-top:.5rem}.pricing-details ul{color:var(--fg-muted);margin:0 0 1.25rem;padding-left:1.2rem}.pricing-details li{margin:.4rem 0}.pricing-details a,.landing-pricing-more a{color:var(--accent)}.landing-pricing-more{text-align:center;margin:1.25rem 0 0}a.brand{color:inherit;text-decoration:none}.landing-faq{background:var(--card);border:1px solid var(--card-border);border-radius:14px;overflow:hidden}.landing-faq-item{border-bottom:1px solid var(--card-border)}.landing-faq-item:last-child{border-bottom:none}.landing-faq-item summary{cursor:pointer;padding:1rem 1.25rem;font-weight:600}.landing-faq-item summary:hover{color:var(--accent)}.landing-faq-item p{color:var(--fg-muted);margin:0;padding:0 1.25rem 1rem}.landing-footer{border-top:1px solid var(--card-border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-top:3.5rem;padding:1.5rem;font-size:.9rem;display:flex}.landing-footer-links{flex-wrap:wrap;gap:1.25rem;display:flex}.landing-footer-links a{color:var(--fg-muted)}.landing-footer-links a:hover{color:var(--accent)}.landing-mockup{min-height:22rem;position:relative}.mockup-card{border:1px solid var(--card-border);background:linear-gradient(180deg, #ffffff0f, #ffffff05), var(--bg-1);border-radius:16px;padding:1.25rem;box-shadow:0 24px 60px #00000073}.mockup-dash{width:min(75%,280px);position:absolute;top:0;right:0;transform:rotate(3deg)}.mockup-quiz{z-index:1;flex-direction:column;gap:.6rem;width:min(88%,330px);margin-top:4.5rem;display:flex;position:relative}.mockup-head{align-items:center;gap:.5rem;font-size:.95rem;display:flex}.mockup-head .progress{margin-left:auto}.mockup-streak{color:var(--fg-muted);white-space:nowrap;margin-left:auto;font-size:.75rem}.mockup-prompt{font-size:1.35rem;font-weight:600}.mockup-answer{border:1px solid var(--card-border);background:#00000040;border-radius:10px;padding:.6rem .9rem}.mockup-verdict{color:var(--ok);background:#4ade8014;border:1px solid #4ade8066;border-radius:10px;align-self:flex-start;padding:.45rem .8rem;font-size:.9rem;font-weight:600}.mockup-bar-row{color:var(--fg-muted);align-items:center;gap:.6rem;margin-top:.75rem;font-size:.8rem;display:flex}.mockup-bar-label{width:4.5rem}.mockup-bar{background:var(--card-border);border-radius:999px;flex:1;height:8px;overflow:hidden}.mockup-bar-fill{background:linear-gradient(90deg, var(--accent), var(--accent-2));border-radius:999px;height:100%;display:block}.mockup-bar-fill.p80{width:80%}.mockup-bar-fill.p55{width:55%}.mockup-bar-fill.p35{width:35%}@media (max-width:760px){.landing-section{padding-top:2.25rem}.landing-hero{grid-template-columns:1fr;gap:2.5rem;padding-top:2rem}.landing-steps,.landing-paths,.pricing-plans{grid-template-columns:1fr}.landing-mockup{max-width:26rem;min-height:20rem}}.tag-active{color:var(--ok,#2a7);margin-left:auto}.verdict-mark.ok{color:var(--ok,#2a7)}.verdict-mark.err{color:var(--err,#c33)}.contract-card{background:var(--card);border:1px solid var(--card-border);border-radius:14px;margin-bottom:.75rem;padding:1rem 1.1rem}.contract-card.archived{opacity:.55}.contract-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.75rem;display:flex}.contract-kind{text-transform:uppercase;letter-spacing:.08em;color:var(--fg-muted);border:1px solid var(--card-border);border-radius:999px;margin-right:.6rem;padding:.15rem .6rem;font-size:.75rem}.contract-title{font-size:1.05rem}.contract-badge{color:var(--fg-muted);margin-left:.6rem;font-size:.8rem}.contract-badge.ok{color:var(--ok)}.contract-badge.expired{color:var(--no)}.contract-sub{color:var(--fg-muted);margin-top:.25rem;font-size:.9rem}.contract-progress-line{align-items:center;gap:.75rem;margin-top:.5rem;font-size:.9rem;display:flex}.contract-bar{background:var(--card-border);border-radius:999px;flex:0 0 160px;height:8px;overflow:hidden}.contract-bar-fill{border-radius:inherit;background:linear-gradient(90deg, var(--accent), var(--accent-2));height:100%;transition:width .3s;display:block}.contract-bar.met .contract-bar-fill{background:var(--ok)}.w0{width:0%}.w5{width:5%}.w10{width:10%}.w15{width:15%}.w20{width:20%}.w25{width:25%}.w30{width:30%}.w35{width:35%}.w40{width:40%}.w45{width:45%}.w50{width:50%}.w55{width:55%}.w60{width:60%}.w65{width:65%}.w70{width:70%}.w75{width:75%}.w80{width:80%}.w85{width:85%}.w90{width:90%}.w95{width:95%}.w100{width:100%}.contract-reward{margin-top:.5rem;font-size:.9rem}.contract-days{gap:4px;margin-top:.7rem;display:flex}.contract-day{background:var(--card-border);border-radius:4px;width:16px;height:16px}.contract-day.met{background:var(--ok)}.contract-day.some{background:var(--accent);opacity:.55}.contract-day.none{background:var(--card-border)}.contract-day.off{border:1px dashed var(--card-border);background:0 0}.contract-archived-list{margin-top:1rem}.contract-archived-list summary{cursor:pointer;margin-bottom:.5rem}.contract-form{flex-direction:column;gap:.9rem;max-width:min(560px,92vw);max-height:85vh;display:flex;overflow-y:auto}.contract-kind-picker{flex-wrap:wrap;gap:.75rem;display:flex}.contract-kind-picker label{border:1px solid var(--card-border);cursor:pointer;border-radius:10px;flex:200px;align-items:flex-start;gap:.5rem;padding:.6rem .8rem;font-size:.9rem;display:flex}.contract-kind-picker label.selected{border-color:var(--accent)}.contract-topics{flex-wrap:wrap;gap:.25rem 1rem;max-height:180px;display:flex;overflow-y:auto}.contract-topics .bank-row{flex:240px}.challenge-strip{flex-wrap:wrap;gap:.5rem;margin-bottom:.75rem;display:flex}.challenge-chip{color:var(--fg-muted);border:1px solid var(--card-border);background:var(--card);border-radius:999px;padding:.25rem .75rem;font-size:.85rem}.challenge-chip.met{color:var(--ok);border-color:var(--ok)}.challenge-chip-title{color:var(--fg);margin-right:.5rem;font-weight:600}.challenge-chip.met .challenge-chip-title{color:var(--ok)}.streak-badge{color:#fdba74;background:#fb923c1a;border:1px solid #fb923c8c;border-radius:999px;padding:.25rem .75rem;font-size:.85rem;font-weight:700}.streak-badge.pending{opacity:.6}.streak-line{margin:0 0 .5rem;font-size:.95rem}.challenge-panel{text-align:left;background:var(--card);border:1px solid var(--card-border);border-radius:14px;max-width:480px;margin:1rem auto;padding:.9rem 1.1rem}.challenge-panel h2{margin:0 0 .5rem;font-size:1rem}.challenge-line{flex-wrap:wrap;align-items:baseline;gap:.25rem .75rem;padding:.35rem 0;font-size:.95rem;display:flex}.challenge-line+.challenge-line{border-top:1px solid var(--card-border)}.challenge-line.met strong,.challenge-ok{color:var(--ok)}.challenge-expired{color:var(--no);font-size:.85rem}.challenge-reward{color:var(--fg-muted);font-size:.85rem}.challenge-chip-reward{color:var(--fg-muted);margin-left:.5rem}.challenge-cheer{border:1px solid var(--accent);background:#c084fc14;border-radius:12px;flex-direction:column;flex:100%;gap:.2rem;padding:.5rem .8rem;font-size:.9rem;display:flex}.challenge-cheer-reward{color:var(--fg-muted)}.challenge-cheer-note{font-style:italic}.challenge-cheer-label{color:var(--fg-muted);margin-right:.4rem;font-size:.8rem;font-style:normal}.challenge-cheer.fresh{animation:.7s ease-out both cheer-pop;box-shadow:0 0 0 3px #f472b640}@keyframes cheer-pop{0%{opacity:0;transform:scale(.92);box-shadow:0 0 #f472b699}60%{opacity:1;transform:scale(1.03)}to{transform:scale(1);box-shadow:0 0 0 3px #f472b640}}@media (prefers-reduced-motion:reduce){.challenge-cheer.fresh{animation:none}}.contract-celebrate{border:1px dashed var(--accent);background:#c084fc0f;border-radius:12px;margin-top:.75rem;padding:.6rem .9rem}.contract-celebrate-lead{margin:0 0 .5rem;font-weight:600}.contract-celebrate .actions{margin-top:.5rem}.contract-celebrated{color:var(--ok);flex-wrap:wrap;gap:.25rem .75rem;margin-top:.5rem;font-size:.9rem;display:flex}.contract-cheer{color:var(--fg-muted);font-style:italic}.consent-row{align-items:flex-start;font-size:.9rem}.consent-row a{color:var(--accent)}.danger-zone{border-color:#f8717173;margin-top:1rem}.danger-title{color:var(--no);margin-top:0}.danger-btn{background:var(--no);color:#2e0a0a;border:0;border-radius:10px;padding:.6rem 1.1rem;font-weight:600;transition:filter .15s}.danger-btn:hover:not(:disabled){filter:brightness(1.08)}.danger-btn:disabled{opacity:.5;cursor:not-allowed}.field.grow{flex:1}.legal h1{margin:0 0 .25rem;font-size:1.5rem}.legal h2{margin:1rem 0 .4rem;font-size:1.05rem}.legal .card{display:block}.legal p,.legal li{margin:.4rem 0;font-size:.95rem}.legal ul{margin:.4rem 0;padding-left:1.4rem}.legal a{color:var(--accent)}.legal .lang-toggle{margin-left:auto}.legal-table-wrap{overflow-x:auto}.legal-table{border-collapse:collapse;width:100%;font-size:.88rem}.legal-table th,.legal-table td{border:1px solid var(--card-border);text-align:left;vertical-align:top;padding:.5rem .6rem}.legal-footer{color:var(--fg-muted);border-top:1px solid var(--card-border);margin-top:1.5rem;padding-top:.75rem;font-size:.85rem}.legal-links{text-align:center;margin-top:1rem}.linklike{color:var(--accent);cursor:pointer;font:inherit;background:0 0;border:none;padding:0;text-decoration:underline}.lang-switch{flex-wrap:wrap;gap:.35rem;margin-left:auto;display:flex}.lang-switch .active{border-color:var(--accent);color:var(--fg)}.whatsnew-group{margin-top:1.5rem}.whatsnew-group h2{border-bottom:1px solid var(--card-border);padding-bottom:.3rem}.whatsnew-note{margin:.9rem 0}.whatsnew-note h3{margin:0 0 .15rem;font-size:.98rem}.whatsnew-note p{color:var(--fg-muted);margin:0}.whatsnew-kind{text-transform:uppercase;letter-spacing:.04em;border:1px solid var(--card-border);color:var(--fg-muted);white-space:nowrap;border-radius:999px;margin-right:.45rem;padding:.1rem .45rem;font-size:.72rem;display:inline-block}.whatsnew-kind.kind-new{color:var(--accent);border-color:var(--accent)}.whatsnew-kind.kind-improved{color:var(--ok);border-color:var(--ok)}.card-links{text-align:center;margin-top:1rem}.whatsnew-dot{background:var(--accent-2);vertical-align:middle;border-radius:50%;width:.5rem;height:.5rem;margin-left:.35rem;display:inline-block}.card.stacked{margin-top:1rem}.card-title{margin-top:0}.billing-status-line{flex-wrap:wrap;align-items:baseline;gap:.6rem;margin:0 0 .5rem;display:flex}.billing-badge{font-weight:600}.billing-badge.ok{color:var(--ok)}.billing-note{margin:.25rem 0 .75rem;font-size:.9rem}.interview-modal{z-index:210;background:#0009;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.interview-panel{background:var(--bg-1);border:1px solid var(--card-border);border-radius:14px;flex-direction:column;gap:.75rem;width:min(620px,96vw);max-height:88vh;padding:1rem 1.1rem;display:flex;overflow-y:auto}.interview-panel h2{margin:0;font-size:1.1rem}.interview-thread{flex-direction:column;gap:.6rem;display:flex}.interview-turn{border-radius:12px;max-width:90%;padding:.55rem .8rem;font-size:.95rem}.interview-turn.user{background:var(--card);border:1px solid var(--card-border);align-self:flex-end}.interview-turn.tutor{background:#c084fc1f;border:1px solid #c084fc59;align-self:flex-start}.interview-turn .hint{margin:.35rem 0 0}.interview-composer{flex-direction:column;gap:.5rem;display:flex}.interview-composer textarea{width:100%}.course-talk-toggle[aria-pressed=true]{background:#c084fc2e;border-color:#c084fc99}.interview-file{display:none}.interview-thumbs{flex-wrap:wrap;gap:.5rem;display:flex}.interview-thumb{flex-direction:column;align-items:center;gap:.25rem;display:flex}.interview-thumb img{object-fit:cover;border:1px solid var(--card-border);border-radius:8px;width:96px;height:96px}.interview-pdf{text-align:center;overflow-wrap:anywhere;border:1px solid var(--card-border);border-radius:8px;justify-content:center;align-items:center;width:96px;height:96px;padding:.25rem;font-size:.75rem;display:flex;overflow:hidden}.interview-questions{border:1px solid #c084fc59;border-radius:12px;padding:.6rem .9rem}.interview-questions h3{margin:0 0 .5rem;font-size:.95rem}.interview-questions ol{flex-direction:column;gap:.5rem;margin:0;padding-left:1.2rem;display:flex}.interview-questions li.cleared{color:var(--fg-muted);text-decoration:line-through}.interview-question-topic{color:var(--fg-muted);text-transform:uppercase;letter-spacing:.04em;font-size:.75rem;display:block}.interview-questions li.cleared .interview-question-answer,.interview-questions li.cleared .interview-question-actions{text-decoration:none}.interview-question-answer{margin:.15rem 0 0;font-size:.85rem}.interview-question-actions{margin-top:.3rem}.interview-question-edit{flex-direction:column;gap:.4rem;margin:.4rem 0;display:flex}.interview-question-edit label{color:var(--fg-muted);flex-direction:column;gap:.2rem;font-size:.8rem;display:flex}.interview-question-edit textarea,.interview-question-edit input{width:100%}.interview-subject-head{gap:.5rem;margin-bottom:.6rem}.interview-subject-head label{color:var(--fg-muted);flex-direction:column;flex:12rem;gap:.2rem;font-size:.8rem;display:flex}.interview-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem 1rem;display:flex}.interview-row p{margin:.2rem 0 0;font-size:.85rem}.interview-entry{justify-content:flex-end;margin-bottom:.5rem}.kid-modes{grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem;margin-bottom:.75rem;display:grid}.kid-mode{background:var(--card);border:1px solid var(--card-border);color:var(--fg);border-radius:12px;padding:.6rem .5rem;font-weight:600}.kid-start{flex-direction:column;align-items:center;padding:2rem 0 1rem;display:flex}.kid-start-title{text-align:center;margin:0 0 1.5rem}.kid-modes-start{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;width:100%;max-width:34rem}.kid-modes-start .kid-mode{border-radius:18px;flex-direction:column;align-items:center;gap:.5rem;padding:1.5rem 1rem;font-size:1.15rem;display:flex}.kid-modes-start .kid-mode-icon{font-size:2.5rem;line-height:1}.kid-modes-start .kid-mode:disabled{opacity:.5}.kid-start-prepared{width:100%;max-width:34rem;margin-top:1rem}.kid-start-error{width:100%;max-width:34rem;margin:1rem 0 0}.kid-start-hint{text-align:center;max-width:34rem;margin-top:1rem}.test-mode-banner{margin-bottom:.75rem}.kid-mode.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}.chat-about{border-left:3px solid var(--accent);margin-bottom:.5rem;padding:.3rem .75rem}.focus-banner{color:var(--fg-muted);border:1px solid #c084fc59;border-radius:999px;flex-wrap:wrap;align-items:baseline;gap:.5rem;margin-bottom:.5rem;padding:.3rem .9rem;font-size:.85rem;display:flex}.focus-banner strong{color:var(--accent)}.focus-prompt{background:#c084fc1a;border:1px solid #c084fc59;border-radius:12px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem .75rem;margin-bottom:.5rem;padding:.5rem .9rem;font-size:.9rem;display:flex}.voice-panel{margin:.75rem 0 .25rem}.voice-row{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}.voice-btn{border:1px solid var(--card-border);color:var(--fg);cursor:pointer;background:#ffffff0a;border-radius:999px;align-items:center;gap:.5rem;padding:.5rem .9rem;display:inline-flex}.voice-btn:disabled{opacity:.55;cursor:default}.voice-btn.listening{border-color:var(--accent);color:var(--accent);animation:1.8s ease-in-out infinite voice-pulse}@keyframes voice-pulse{0%,to{box-shadow:0 0 #c084fc59}50%{box-shadow:0 0 0 7px #c084fc00}}@media (prefers-reduced-motion:reduce){.voice-btn.listening{animation:none;box-shadow:0 0 0 3px #c084fc4d}}.voice-timer{font-variant-numeric:tabular-nums;color:var(--fg-muted);font-size:.9rem}.voice-note{color:var(--fg-muted);margin:.6rem 0 0;font-size:.95rem;line-height:1.45}.voice-note.error{color:var(--accent-2)}.voice-latest{max-width:85%;color:var(--fg-muted);border-radius:10px;margin:.6rem 0 0;padding:.4rem .7rem;font-size:.95rem;line-height:1.4}.voice-latest.from-kid{background:#c084fc29;margin-left:auto}.voice-latest.from-tutor{background:#ffffff0d}.credits-balance{margin:.25rem 0 .35rem;font-size:1.6rem}.credits-note{margin:.2rem 0;font-size:.9rem;line-height:1.45}.credits-note.error{color:var(--accent-2)}.notice.credits-out{margin:.75rem 0;line-height:1.4}.credits-subtitle{margin:1.1rem 0 .5rem;font-size:1rem}.credits-packs{grid-template-columns:repeat(auto-fit,minmax(11rem,1fr));gap:.75rem;margin:0;padding:0;list-style:none;display:grid}.credits-packs li{border:1px solid var(--card-border);border-radius:12px;flex-direction:column;align-items:flex-start;gap:.4rem;padding:.8rem;display:flex}.credits-pack-amount{font-size:1.15rem}.credits-chip{color:var(--fg-muted);font-variant-numeric:tabular-nums;font-size:.85rem}.voice-working{color:var(--fg-muted);opacity:.9;font-size:.85rem}.voice-debug{border:1px solid var(--card-border);background:#00000040;border-radius:10px;margin-top:.75rem;font-size:.72rem}.voice-io{border-bottom:1px solid var(--card-border);align-items:center;gap:.4rem;padding:.4rem .6rem;display:flex}.io-dot{background:#ffffff24;border-radius:50%;width:9px;height:9px;transition:background 90ms linear,box-shadow 90ms linear}.io-dot.in.on{background:var(--ok);box-shadow:0 0 8px var(--ok)}.io-dot.out.on{background:var(--accent);box-shadow:0 0 8px var(--accent)}.io-label{color:var(--fg-muted);letter-spacing:.06em;text-transform:uppercase}.io-state{color:var(--fg-muted);font-variant-numeric:tabular-nums;margin-left:auto}.voice-log{max-height:11rem;margin:0;padding:.3rem .5rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;list-style:none;overflow-y:auto}.voice-log-line{white-space:nowrap;gap:.5rem;padding:.1rem 0;display:flex}.log-at{color:var(--fg-muted);font-variant-numeric:tabular-nums;text-align:right;min-width:3.2rem}.log-kind{text-transform:uppercase;letter-spacing:.04em;min-width:3.5rem}.log-label{color:var(--fg)}.log-detail{color:var(--fg-muted);text-overflow:ellipsis;overflow:hidden}.kind-mic .log-kind{color:var(--ok)}.kind-tutor .log-kind{color:var(--accent)}.kind-stt .log-kind{color:#7dd3fc}.kind-model .log-kind{color:#93c5fd}.kind-tool .log-kind{color:#fbbf24}.kind-error .log-kind,.kind-error .log-detail{color:var(--no)}.admin-tabs{gap:.5rem;margin-bottom:1rem;display:flex}.admin-field{border-top:1px solid var(--card-border);padding:.7rem 0}.admin-field:first-of-type{border-top:none}.admin-field.dirty{border-left:3px solid var(--accent);margin-left:-.7rem;padding-left:.7rem}.admin-field-head{flex-wrap:wrap;align-items:baseline;gap:.5rem;display:flex}.admin-field-head label{font-weight:600}.admin-env{color:var(--fg-muted);background:var(--card);border:1px solid var(--card-border);border-radius:6px;padding:.05rem .4rem;font-size:.75rem}.admin-badge{text-transform:uppercase;letter-spacing:.04em;border:1px solid var(--accent);color:var(--accent);border-radius:999px;padding:.1rem .5rem;font-size:.7rem}.admin-badge.muted{border-color:var(--card-border);color:var(--fg-muted)}.admin-badge.ok{border-color:var(--ok);color:var(--ok)}.admin-badge.warn{border-color:var(--no);color:var(--no)}.admin-help{color:var(--fg-muted);margin:.2rem 0 .5rem;font-size:.85rem}.admin-field-control{flex-wrap:wrap;align-items:center;gap:.6rem;display:flex}.admin-field-control input[type=text],.admin-field-control input[type=number],.admin-field-control select{min-width:min(320px,100%)}.admin-switch{align-items:center;gap:.5rem;display:inline-flex}.admin-savebar{background:var(--bg-1);border:1px solid var(--card-border);border-radius:12px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;margin-top:1rem;padding:.75rem 1rem;display:flex;position:sticky;bottom:0}.admin-savebar .actions{margin:0}.admin-saved{color:var(--ok);font-size:.9rem}.admin-account{border-top:1px solid var(--card-border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem 1rem;padding:.6rem 0;display:flex}.admin-account p{margin:.15rem 0 0;font-size:.8rem}.admin-link{margin-left:auto}.q-filters{z-index:2;position:sticky;top:0}.q-filter-row{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.q-filter-row input[type=search]{flex:16rem}.q-filter-row .primary.small{margin-left:auto}.q-card{border:1px solid var(--card-border);background:var(--card);border-radius:12px;margin-top:.75rem;padding:.9rem 1rem}.q-card.flagged{border-left:3px solid var(--no)}.q-card-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:.5rem 1rem;display:flex}.q-prompt{flex:20rem;font-size:1.05rem;line-height:1.5}.q-meta{flex-wrap:wrap;align-items:center;gap:.35rem;display:flex}.q-sub{color:var(--fg-muted);margin:.4rem 0 0;font-size:.82rem}.q-image{border-radius:8px;max-width:min(280px,100%);margin-top:.5rem}.q-issue{color:var(--no);margin:.4rem 0 0;font-size:.82rem}.q-review{border-top:1px solid var(--card-border);margin-top:.75rem;padding-top:.75rem}.q-review-row{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}.q-review-label{color:var(--fg-muted);text-transform:uppercase;letter-spacing:.04em;font-size:.8rem}.q-scores{gap:.3rem;display:flex}.q-notes{resize:vertical;width:100%}.q-other-review{color:var(--fg-muted);flex-wrap:wrap;align-items:baseline;gap:.4rem;margin:.5rem 0 0;font-size:.85rem;display:flex}.q-other-notes{flex:100%}.q-editor-grid{grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr));gap:.75rem;display:grid}.q-field{flex-direction:column;gap:.25rem;display:flex}.q-field label{color:var(--fg-muted);font-size:.85rem}.q-editor textarea{resize:vertical}.q-preview{border:1px solid var(--card-border);background:var(--bg-1);border-radius:8px;flex-direction:column;gap:.3rem;padding:.6rem .8rem;display:flex}.q-pager{justify-content:center;align-items:center;gap:.75rem;margin-top:1rem;display:flex}.course-panel{width:min(760px,96vw)}.course-uploader{flex-direction:column;gap:.5rem;display:flex}.course-drop{border:2px dashed var(--card-border);text-align:center;border-radius:12px;padding:.9rem}.course-drop.dragging{border-color:var(--accent)}.course-paste textarea{width:100%}.course-files,.course-docs,.course-sections{margin:0;padding:0;list-style:none}.student-start-list{margin:1rem 0 0;padding-left:1.25rem}.student-start-list li+li{margin-top:.35rem}.feedback-fab{z-index:90;border:1px solid var(--card-border);background:var(--bg-1);color:var(--fg-muted);opacity:.75;cursor:pointer;border-radius:999px;padding:.3rem .7rem;font-size:.75rem;position:fixed;bottom:.75rem;right:.75rem}.feedback-fab:hover{opacity:1;color:var(--fg);border-color:var(--accent)}.feedback-fab:focus-visible{opacity:1;color:var(--fg);border-color:var(--accent)}.feedback-text{resize:vertical;width:100%}.feedback-attached{margin:0;font-size:.8rem}.crash-card{text-align:center;margin-top:3rem}.report-item{border-top:1px solid var(--card-border);flex-direction:column;gap:.35rem;padding-top:.75rem;display:flex}.course-file{grid-template-columns:1fr auto;align-items:baseline;gap:.15rem .75rem;display:grid}.course-file-name{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.course-file.error .course-file-status{color:#f87171}.course-file.done .course-file-status{color:#4ade80}.course-file-progress{grid-column:1/-1;width:100%}.course-doc-head{flex-wrap:wrap;align-items:baseline;gap:.5rem;display:flex}.course-doc-head .hint{flex:1}.course-sections{margin:.35rem 0 0 .5rem}.course-sections label{align-items:baseline;gap:.5rem;display:flex}.course-sections label .hint{margin-left:auto}.course-meter{flex-direction:column;gap:.2rem;display:flex}.course-meter progress{width:100%}.course-meter.over .hint{color:#f87171}.course-quiz-ready{justify-content:space-between;align-items:center;gap:.75rem;display:flex}.report-meta{flex-wrap:wrap;align-items:baseline;gap:.6rem;display:flex}.report-message{white-space:pre-wrap;overflow-wrap:anywhere;margin:0}.report-context{overflow-wrap:anywhere;margin:0;font-size:.8rem}.report-stack{white-space:pre-wrap;overflow-wrap:anywhere;font-size:.75rem}.health-tiles{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.75rem;display:grid}.health-tile{border:1px solid var(--card-border);border-radius:8px;flex-direction:column;gap:.15rem;padding:.6rem .8rem;display:flex}.health-value{overflow-wrap:anywhere;font-size:1.4rem;font-weight:600}.trial-meter{color:var(--fg-muted);align-items:center;gap:.6rem;margin:.4rem 0;font-size:.85rem;display:flex}.trial-meter meter{flex:0 8rem;height:.5rem}.notice.trial-over{margin:.75rem 0;line-height:1.4}
