@font-face{font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-5085d14c.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-cc9bd60e.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-d1820025.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-eafc847d.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-4489718b.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-004d7c5d.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-e2ea347e.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-93440fab.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-305fded4.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-8bea0fdb.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-6c0cfe75.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-5d9c444d.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-9362217a.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-f175ce1c.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-81ff0bab.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-b1f7ce88.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-099b7008.woff) format("woff"),url(/assets/KaTeX_Main-Bold-306a8395.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-f10c9dc0.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-12a522d1.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-f3c4f326.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-0d580ede.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-4c2ce066.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3759e9c6.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-76d8dbe2.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-ebf7825a.woff) format("woff"),url(/assets/KaTeX_Main-Regular-32a59bcd.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-999ef36c.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-2263edb0.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-775d28df.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-2de77004.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-c0d3ffcf.woff) format("woff"),url(/assets/KaTeX_Math-Italic-1f94eaff.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-f5b144b4.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-db22128e.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-8531ea67.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-b71f456a.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-033768fb.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-18623275.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-c30429e5.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-92e9fa94.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-4da3b851.ttf) format("truetype")}@font-face{font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-f7c0859f.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-f9c90562.woff) format("woff"),url(/assets/KaTeX_Script-Regular-b9264196.ttf) format("truetype")}@font-face{font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-26083f26.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-b5f79b67.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-dbb27b9e.ttf) format("truetype")}@font-face{font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-f2e1dc7d.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-280f5b5c.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-7b80a516.ttf) format("truetype")}@font-face{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-93ab932a.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-e0a57b34.ttf) format("truetype")}@font-face{font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-e5e65c59.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-45fb8824.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-d6141bf4.ttf) format("truetype")}@font-face{font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-8eeabe21.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-b4c52f66.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-f721beff.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.22"}.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 .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;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;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.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}body:has(.student-chapter-workbench){overflow:hidden}.authenticated-shell:has(>.student-chapter-workbench){display:grid;grid-template-rows:auto minmax(0,1fr);height:100vh;height:100dvh;overflow:hidden}.student-chapter-workbench{height:100vh;height:100dvh;min-height:100vh;min-height:100dvh;padding:0;overflow:hidden}.authenticated-shell:has(>.student-chapter-workbench)>.student-chapter-workbench{height:auto;min-height:0}.student-chapter-workbench .student-workbench__shell{display:grid;grid-template-rows:auto minmax(0,1fr);height:100%;min-height:0}.student-chapter-workbench .student-workbench__layout{grid-template-rows:minmax(0,1fr);width:100%;height:100%;min-height:0;align-items:stretch}.student-chapter-workbench .student-workbench__progress{max-height:100%;overflow-y:auto}.student-workbench__progress-summary{display:none;margin:0;color:var(--student-muted);font-size:.78rem;line-height:1.45}.student-chapter-workbench .student-workbench__task{display:grid;height:100%;min-height:0;overflow:hidden}.dialogue-workspace{display:grid;grid-template-rows:auto auto minmax(0,1fr) auto auto auto;min-width:0;min-height:0;height:100%;overflow:hidden;background:#fffdf7;color:#173d35}.dialogue-workspace--headerless{grid-template-rows:auto auto minmax(0,1fr) auto auto auto}.dialogue-workspace__header{grid-row:1}.dialogue-generation-status{grid-row:2}.dialogue-transcript-shell{grid-row:3}.dialogue-workspace__error{grid-row:4}.dialogue-workspace__recovery{grid-row:5}.dialogue-composer,.dialogue-completion{grid-row:6}.dialogue-workspace__header{display:flex;min-height:56px;align-items:center;justify-content:space-between;gap:.5rem 1.25rem;padding-block:.4rem;padding-inline:clamp(1rem,3vw,1.75rem);border-bottom:1px solid #d8cdbb}.dialogue-workspace__task-heading,.dialogue-workspace__hint{width:min(100%,72rem);min-width:0;margin-inline:0}.dialogue-workspace__task-heading{flex:1 1 auto}.dialogue-workspace__hint{flex:0 1 24rem}.dialogue-workspace__header h2{display:-webkit-box;max-width:32ch;margin:.12rem 0 0;overflow:hidden;color:#173d35;font-size:clamp(1.15rem,2vw,1.45rem);line-height:1.2;-webkit-box-orient:vertical;-webkit-line-clamp:1}.dialogue-workspace__hint{margin:0;color:#66766e;font-size:.82rem}.dialogue-workspace__goal{display:grid;grid-template-columns:auto minmax(0,1fr);flex:0 1 32rem;min-width:min(22rem,46%);align-items:center;gap:.2rem .55rem;padding:.35rem .65rem;border-left:3px solid #2d6b5f;background:#edf5ef}.dialogue-workspace__goal h3{display:-webkit-box;margin:0;overflow:hidden;color:#173d35;font-size:.92rem;line-height:1.3;-webkit-box-orient:vertical;-webkit-line-clamp:1}.dialogue-workspace__goal>p:last-child:not(.dialogue-workspace__eyebrow){display:none}.dialogue-workspace__eyebrow,.dialogue-completion__eyebrow{margin:0;color:#98400f;font-size:.75rem;font-weight:800;line-height:1.35;letter-spacing:.08em}.dialogue-transcript-shell{position:relative;min-height:0;overflow:clip}.dialogue-transcript{width:min(100%,72rem);height:100%;min-height:0;overflow-y:auto;margin-inline:auto;overscroll-behavior:contain;padding:clamp(1rem,3vw,1.75rem);scrollbar-gutter:stable}.dialogue-transcript__content{display:flex;min-height:100%;flex-direction:column;gap:1rem}.dialogue-transcript__empty{margin:auto;color:#66766e;text-align:center}.dialogue-message{width:fit-content;max-width:100%;padding:.8rem 1rem;overflow-wrap:anywhere}.dialogue-message--tutor{align-self:flex-start;max-width:100%;padding-inline:0;border:0;border-radius:0;background:transparent}.dialogue-message--tutor .dialogue-message__body{max-width:72ch}.dialogue-message--student{align-self:flex-end;max-width:72%;border:1px solid #9db8ae;border-color:#9db8ae;border-radius:1rem .2rem 1rem 1rem;background:#e7f0eb}.dialogue-message--streaming .dialogue-message__body:after{display:inline-block;width:.4rem;height:1.1em;margin-left:.2rem;vertical-align:-.15em;background:#2d6b5f;content:"";opacity:.7}.dialogue-message__speaker{margin:0 0 .35rem;color:#2d6b5f!important;font-size:.72rem;font-weight:800}.dialogue-message--student .dialogue-message__speaker{color:#98400f!important;text-align:right}.dialogue-message__body>:first-child{margin-top:0}.dialogue-message__body>:last-child{margin-bottom:0}.dialogue-message__body :is(p,li){color:#173d35;line-height:1.65}.dialogue-message__body a{color:#7c350e;text-underline-offset:.2em}.coach-step-card{width:min(100%,72ch);margin-top:.8rem;padding:clamp(.85rem,2vw,1.1rem);overflow:hidden;border:1px solid #d8cdbb;border-left:4px solid #98400f;border-radius:.8rem;background:#f8f3e9;box-shadow:0 .4rem 1rem #3c2e1c0a}.coach-step-card__header{display:flex;min-width:0;align-items:baseline;gap:.45rem .75rem;flex-wrap:wrap}.coach-step-card__kind,.coach-step-card__header h3,.coach-step-card__section-label,.coach-step-card__help p,.coach-step-card__practice--composer :is(h4,p){margin:0}.coach-step-card__kind{flex:0 0 auto;padding:.2rem .5rem;border-radius:999px;background:#e1eee6;color:#24594f;font-size:.72rem;font-weight:850;letter-spacing:.05em}.coach-step-card__kind--correction{background:#fff0ed;color:#8c2f25}.coach-step-card__kind--practice{background:#fff1dc;color:#7c350e}.coach-step-card__kind--verification{background:#e9edf7;color:#364b77}.coach-step-card__header h3{min-width:0;color:#173d35;font-size:1.05rem;line-height:1.35;overflow-wrap:anywhere}.coach-step-card__header h3:focus-visible{outline:3px solid #0c6254;outline-offset:3px}.coach-step-card__content,.coach-step-card__example{margin-top:.75rem;overflow-wrap:anywhere}.coach-step-card__content>:first-child,.coach-step-card__example>:first-child{margin-top:0}.coach-step-card__content>:last-child,.coach-step-card__example>:last-child{margin-bottom:0}.coach-step-card__example{padding:.65rem .75rem;border-left:3px solid #9db8ae;background:#fffdf7}.coach-step-card__section-label{color:#98400f;font-size:.72rem;font-weight:850}.coach-step-card__practice{min-width:0;margin:.85rem 0 0;padding:.8rem 0 0;border:0;border-top:1px solid #d8cdbb}.coach-step-card__practice legend,.coach-step-card__practice--composer h4{max-width:100%;padding:0;color:#173d35;font-size:.94rem;font-weight:800;line-height:1.5;overflow-wrap:anywhere}.coach-step-card__options{display:grid;gap:.5rem;margin-top:.65rem}.coach-step-card__option{display:flex;min-width:0;min-height:44px;align-items:center;gap:.65rem;margin:0;padding:.55rem .7rem;border:1px solid #b8ad9c;border-radius:.65rem;background:#fffdf7;color:#173d35;cursor:pointer;line-height:1.4;overflow-wrap:anywhere}.coach-step-card__option:has(input:checked){border-color:#2d6b5f;background:#e7f0eb}.coach-step-card__option input{width:1.1rem;height:1.1rem;flex:0 0 auto;margin:0;accent-color:#2d6b5f}.coach-step-card__option span{min-width:0}.coach-step-card__submit,.coach-step-card__help button{min-height:44px}.coach-step-card__submit{margin-top:.65rem;background:#98400f;color:#fffaf1}.coach-step-card__practice--composer{display:grid;gap:.25rem}.coach-step-card__practice--composer p{color:#66766e;font-size:.8rem}.coach-step-card__help{display:grid;gap:.45rem;margin-top:.8rem}.coach-step-card__help>div{display:flex;gap:.45rem;flex-wrap:wrap}.coach-step-card__help p{color:#66766e;font-size:.75rem}.coach-step-card__help button{padding:.5rem .7rem;border:1px solid #9db8ae;background:transparent;color:#24594f;font-size:.78rem}.coach-step-card :is(input,button):focus-visible{outline:3px solid #0c6254;outline-offset:3px}.dialogue-transcript__latest{position:absolute;z-index:2;bottom:.75rem;left:50%;min-height:2.5rem;transform:translate(-50%);border:1px solid #9db8ae;border-radius:999px;background:#fffdf7;box-shadow:0 .45rem 1.2rem #173d3526;color:#173d35;font-size:.78rem;white-space:nowrap}.dialogue-workspace__error{margin:0;padding:.65rem clamp(1rem,3vw,1.75rem);border-top:1px solid #efb2a9;background:#fff0ed;color:#8c2f25;font-size:.82rem;font-weight:700}.dialogue-workspace__recovery{justify-self:start;min-height:2.5rem;margin:.65rem clamp(1rem,3vw,1.75rem) 0;border:1px solid #98400f;background:transparent;color:#7c350e}.dialogue-composer{position:sticky;z-index:3;bottom:0;display:grid;gap:.45rem;width:100%;margin:0;padding:.85rem clamp(1rem,3vw,1.75rem) max(.75rem,env(safe-area-inset-bottom));border-top:1px solid #d8cdbb;border-radius:1.5rem 1.5rem 0 0;background:#fffdf7;box-shadow:0 -.75rem 1.5rem #3c2e1c0a}.dialogue-composer>*{width:min(100%,72rem);margin-inline:auto}.dialogue-composer__status,.dialogue-composer__help{margin:0;color:#66766e!important;font-size:.75rem}.dialogue-composer__status{color:#2d6b5f!important;font-weight:750}.dialogue-composer__controls{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.65rem;align-items:end}.dialogue-generation-status{display:flex;min-height:2.75rem;align-items:center;gap:.75rem;padding:.55rem clamp(1rem,3vw,1.75rem);border-bottom:1px solid #d8d2c6;background:#f7f2e8;color:#4c625a;font-size:.82rem}.dialogue-generation-status__summary{display:flex;min-width:0;flex:1;align-items:center;gap:.65rem;flex-wrap:wrap}.dialogue-generation-status__saved{color:#0c6254;font-weight:800}.dialogue-generation-status__recovery{margin:0;color:#7b421f;font-weight:700}.dialogue-generation-status button{min-height:2rem;border:1px solid #9d5b34;border-radius:999px;background:transparent;color:#873b13;font:inherit;font-weight:800}.dialogue-generation-status button:disabled{opacity:.58}.dialogue-composer textarea{min-height:3.25rem;max-height:8rem;resize:none;border:1px solid #b8ad9c;border-radius:1rem;background:#fffdf7;color:#173d35;line-height:1.5;font-size:max(1rem,16px)}.dialogue-composer textarea::placeholder{color:#7c8881}.dialogue-composer button{min-width:4.5rem;min-height:3.25rem;border-radius:.75rem;background:#98400f;color:#fffaf1}.dialogue-composer .dialogue-composer__discard{justify-self:start;min-width:0;min-height:2.25rem;padding:.35rem 0;background:transparent;color:#8c2f25;text-decoration:underline;text-underline-offset:.18em}.dialogue-composer :is(textarea,button):focus-visible,.dialogue-generation-status button:focus-visible,.dialogue-transcript__latest:focus-visible,.dialogue-workspace__recovery:focus-visible,.dialogue-completion__action:focus-visible{outline:3px solid #0c6254;outline-offset:3px}.dialogue-completion{display:flex;align-items:center;justify-content:space-between;gap:clamp(.75rem,2vw,1.25rem);margin:0 clamp(.75rem,2vw,1.5rem) .65rem;padding:.65rem clamp(.8rem,2vw,1.1rem) max(.65rem,env(safe-area-inset-bottom));border:1px solid #b8d0c6;border-radius:.65rem;background:#f5faf7}.dialogue-completion__summary{display:flex;min-width:0;align-items:center;gap:clamp(.6rem,1.2vw,.8rem)}.dialogue-completion__icon{display:inline-flex;width:2rem;height:2rem;flex:0 0 auto;align-items:center;justify-content:center;border:1px solid #397365;border-radius:999px;color:#397365;font-size:1rem;font-weight:900;line-height:1}.dialogue-completion__copy{min-width:0}.dialogue-completion__eyebrow{color:#66766e;font-size:.68rem;letter-spacing:.06em}.dialogue-completion h3,.dialogue-completion p{margin:0}.dialogue-completion h3{margin-top:.05rem;font-size:.98rem;line-height:1.25}.dialogue-completion__copy>p:last-child{margin-top:.12rem;color:#66766e;font-size:.72rem;line-height:1.35}.dialogue-completion__action{display:inline-flex;flex:0 0 auto;min-height:2.25rem;align-items:center;gap:.4rem;padding:.45rem .75rem;border:1px solid #397365;border-radius:.5rem;background:transparent;color:#285d52;font-size:.8rem;font-weight:800;text-decoration:none;white-space:nowrap}.dialogue-completion__action:hover{background:#e5f0ea}@media (max-width: 759px){.student-chapter-workbench{padding:0}.student-chapter-workbench .student-workbench__shell{grid-template-rows:104px minmax(0,1fr)}.student-chapter-workbench .student-workbench__layout{grid-template-rows:minmax(0,1fr)}.dialogue-workspace__header{display:grid;grid-template-columns:minmax(0,1fr);gap:.3rem;min-height:72px;padding:.45rem .75rem}.dialogue-workspace__hint{display:none}.dialogue-workspace__header h2{max-width:100%;font-size:1.1rem;-webkit-line-clamp:1}.dialogue-workspace__task-heading .dialogue-workspace__eyebrow{display:none}.dialogue-workspace__goal{width:100%;min-width:0;padding:.3rem .55rem}.dialogue-workspace__goal h3{font-size:.92rem}.coach-step-card{padding:.8rem}.coach-step-card__help>div{display:grid;grid-template-columns:minmax(0,1fr)}.coach-step-card__help button{width:100%}.dialogue-transcript{gap:.8rem;padding:1rem .75rem}.dialogue-message--tutor{max-width:100%}.dialogue-message--student{max-width:72%}.dialogue-composer{padding:.75rem .75rem max(.75rem,env(safe-area-inset-bottom))}.dialogue-composer__controls{gap:.5rem}.dialogue-composer button{min-width:44px;min-height:44px;padding-inline:.8rem}.dialogue-generation-status{gap:.45rem;padding-inline:.75rem}.dialogue-generation-status button{min-width:44px;min-height:44px}.dialogue-completion{align-items:stretch;flex-direction:column;margin:0 .75rem .75rem;padding:.7rem .8rem max(.7rem,env(safe-area-inset-bottom))}.dialogue-completion__action{justify-content:center}}@media (max-height: 760px){.dialogue-composer{gap:.25rem;padding-block:.55rem;border-radius:1rem 1rem 0 0}.dialogue-composer__help{display:none}}@media (prefers-reduced-motion: reduce){.dialogue-workspace *,.dialogue-workspace *:before,.dialogue-workspace *:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}.student-course-home,.student-workbench,.student-conversation--embedded,.task-conversation--dialogue{--student-paper: #f7f1e5;--student-card: #fffdf7;--student-ink: #173d35;--student-muted: #66766e;--student-line: #d8cdbb;--student-orange: #98400f;--student-pale-orange: #fff0e2;color:var(--student-ink);background-color:var(--student-paper);background-image:linear-gradient(#173d3508 1px,transparent 1px),linear-gradient(90deg,#173d3508 1px,transparent 1px);background-size:1.5rem 1.5rem}.student-chapter-workbench{background-image:none;min-height:100vh;min-height:100dvh}.student-chapter-workbench .student-workbench__shell{width:100%;max-width:none}.student-workbench__test-entry{display:flex;align-items:center;justify-content:space-between;gap:clamp(.75rem,2vw,1.25rem);margin:0 clamp(.75rem,2vw,1.5rem) .75rem;padding:.65rem clamp(.8rem,2vw,1.1rem);border:1px solid #ead9c7;border-radius:.65rem;background:#fffaf4}.student-workbench__test-entry-main{display:flex;min-width:0;align-items:center;gap:clamp(.6rem,1.2vw,.8rem)}.student-workbench__test-entry-icon{display:inline-flex;width:2rem;height:2rem;flex:0 0 auto;align-items:center;justify-content:center;border:1px solid var(--student-orange);border-radius:999px;background:#fff4e9;color:var(--student-orange);font-size:1rem;font-weight:900;line-height:1}.student-workbench__test-entry-copy{min-width:0}.student-workbench__test-entry h2,.student-workbench__test-entry p{margin:0}.student-workbench__test-entry .eyebrow{font-size:.68rem;line-height:1.25;letter-spacing:.04em}.student-workbench__test-entry h2{margin-top:.05rem;font-size:.98rem;line-height:1.25}.student-workbench__test-entry-copy>p:last-child{margin-top:.12rem;font-size:.72rem;line-height:1.35}.student-workbench__test-entry-action{display:inline-flex;flex:0 0 auto;min-height:36px;align-items:center;justify-content:center;gap:.4rem;padding:.45rem .75rem;border:1px solid #c67a4e;border-radius:.5rem;background:transparent;color:var(--student-orange);font-size:.8rem;font-weight:800;text-decoration:none;white-space:nowrap}.student-workbench__test-entry-action:hover{background:#fff0e2}.student-course-home{min-height:100vh;padding:clamp(1rem,4vw,3.5rem)}.student-course-home__shell,.student-workbench__shell{width:min(100%,76rem);margin:0 auto}.student-course-home h1,.student-course-home h2,.student-course-home h3,.student-workbench h1,.student-workbench h2,.student-workbench h3,.student-conversation--embedded h1,.student-conversation--embedded h2,.student-conversation--embedded h3{color:var(--student-ink)}.student-course-home p,.student-workbench p,.student-conversation--embedded p{color:var(--student-muted)}.student-course-home .eyebrow,.student-workbench .eyebrow,.student-conversation--embedded .eyebrow{color:var(--student-orange)}.student-course-home__hero{max-width:44rem;padding:clamp(1.5rem,5vw,4rem) 0 2rem}.student-course-home__hero h1{margin-bottom:.75rem}.course-progress-card,.course-catalog,.student-workbench__progress,.student-workbench__task{border:1px solid var(--student-line);background:var(--student-card);box-shadow:0 .8rem 2.2rem #35220d12}.course-progress-card{display:grid;gap:.6rem;padding:clamp(1.15rem,3vw,1.7rem);margin-bottom:1.25rem}.course-progress-card>div:first-child{display:flex;align-items:baseline;justify-content:space-between;gap:1rem}.course-progress-card p{margin:0}.course-progress-card strong{color:var(--student-orange);font-size:clamp(1.9rem,6vw,2.8rem)}.course-progress-card__track{height:.5rem;overflow:hidden;background:#ebdfca}.course-progress-card__track span{display:block;height:100%;background:var(--student-orange)}.course-catalog__heading{display:grid;gap:.75rem;padding:clamp(1.15rem,3vw,1.7rem);border-bottom:1px solid var(--student-line)}.course-catalog__heading h2{margin:.25rem 0 0}.course-catalog__heading p{max-width:38rem;margin:0}.course-catalog__empty{margin:0;padding:1rem clamp(1.15rem,3vw,1.7rem);border-bottom:1px solid var(--student-line);background:var(--student-pale-orange);font-weight:700}.course-catalog__list{display:grid;margin:0;padding:0;list-style:none}.course-chapter{display:grid;grid-template-columns:minmax(4.5rem,.42fr) minmax(0,1fr) auto;gap:1rem;align-items:center;padding:1.1rem clamp(1.15rem,3vw,1.7rem);border-bottom:1px solid var(--student-line)}.course-chapter:last-child{border-bottom:0}.course-chapter__number{color:var(--student-orange);font-size:.82rem;font-weight:800;white-space:nowrap}.course-chapter__content h3{margin:0;font-size:1rem;line-height:1.55}.course-chapter__content p{margin:.35rem 0 0;font-size:.86rem}.course-chapter__progress{color:var(--student-ink)!important;font-weight:700}.course-chapter__details{display:grid;gap:.35rem;margin-top:.55rem}.course-chapter__details dl{display:grid;gap:.3rem;margin:0}.course-chapter__details dl div{display:grid;grid-template-columns:5rem minmax(0,1fr);gap:.5rem}.course-chapter__details dt{color:var(--student-muted);font-size:.78rem;font-weight:700}.course-chapter__details dd{margin:0;color:var(--student-ink);font-size:.86rem}.course-chapter__activity{font-size:.78rem!important}.course-chapter__action a,.student-workbench__back,.student-conversation--embedded .continue-learning-card__action{display:inline-flex;min-height:2.5rem;align-items:center;justify-content:center;padding:.55rem .85rem;border:1px solid var(--student-orange);background:var(--student-orange);color:#fffaf1;font-weight:800;text-decoration:none;white-space:nowrap}.course-chapter__action span{color:var(--student-muted);font-size:.86rem;font-weight:700;white-space:nowrap}.course-chapter--coming_soon{background:#faf6ed}.course-chapter--coming_soon h3{color:#7a877f}.student-workbench{min-height:100vh;min-height:100dvh;padding:clamp(1rem,4vw,3rem)}.student-chapter-workbench.student-workbench{padding:0}.student-learning-header{min-width:0;border-bottom:1px solid var(--student-line);background:#fffdf7}.student-learning-header__bar{display:grid;grid-template-columns:auto minmax(0,.75fr) minmax(0,1fr) minmax(0,1.1fr) auto;min-width:0;height:71px;align-items:center;gap:clamp(.65rem,1.35vw,1.3rem);padding:.5rem clamp(.75rem,1.8vw,1.5rem)}.student-learning-header__back{display:inline-flex;min-height:44px;align-items:center;gap:.35rem;padding:.5rem .7rem;border:1px solid var(--student-line);color:var(--student-ink);font-size:.86rem;font-weight:800;text-decoration:none;white-space:nowrap}.student-learning-header__chapter,.student-learning-header__task,.student-learning-header__goal{display:grid;min-width:0;gap:.12rem}.student-learning-header__chapter>span,.student-learning-header__task>span,.student-learning-header__goal>span{overflow:hidden;color:var(--student-muted);font-size:.7rem;font-weight:800;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.student-learning-header__chapter>span{color:var(--student-orange)}.student-learning-header__chapter>strong,.student-learning-header__task>h1,.student-learning-header__goal>strong{min-width:0;margin:0;overflow:hidden;color:var(--student-ink);line-height:1.3;text-overflow:ellipsis;white-space:nowrap}.student-learning-header__chapter>strong{font-size:.86rem}.student-learning-header__task>h1{font-size:clamp(1rem,1.45vw,1.18rem)}.student-learning-header__goal{padding:.42rem .65rem;border-left:3px solid #2d6b5f;background:#edf5ef}.student-learning-header__goal>strong{font-size:.82rem}.student-learning-header__actions{display:flex;min-width:0;align-items:center;gap:.45rem}.student-learning-header__actions button{min-height:44px;padding:.5rem .7rem;font-size:.8rem;white-space:nowrap}.student-learning-header__progress{border:1px solid var(--student-orange);background:var(--student-orange);color:#fffaf1}.student-learning-header__identity{max-width:7rem;overflow:hidden;color:var(--student-muted);font-size:.78rem;text-overflow:ellipsis;white-space:nowrap}.student-learning-header__logout{border:1px solid var(--student-line);background:transparent;color:var(--student-ink)}.student-learning-header__error{margin:0;padding:.35rem clamp(.75rem,1.8vw,1.5rem);border-top:1px solid #efb2a9;background:#fff0ed;color:#8c2f25!important;font-size:.78rem;font-weight:700;text-align:right}.student-workbench__layout{display:grid;grid-template-columns:minmax(0,1fr);gap:0;align-items:start}.student-workbench__progress{--student-progress-safe-area-top: env(safe-area-inset-top, 0px);--student-progress-safe-area-right: env(safe-area-inset-right, 0px);--student-progress-safe-area-bottom: env(safe-area-inset-bottom, 0px);--student-progress-safe-area-left: env(safe-area-inset-left, 0px);position:fixed;z-index:20;inset:0 auto 0 0;width:min(360px,92vw);max-width:none;overflow-y:auto;padding:max(1rem,var(--student-progress-safe-area-top)) max(1rem,var(--student-progress-safe-area-right)) max(1rem,var(--student-progress-safe-area-bottom)) max(1rem,var(--student-progress-safe-area-left));transform:translate(-100%);visibility:hidden;pointer-events:none;transition:transform .18s ease,visibility .18s ease}.student-workbench__progress--open{transform:translate(0);visibility:visible;pointer-events:auto}.student-workbench__progress-backdrop{position:fixed;z-index:19;top:0;right:0;bottom:0;left:0;visibility:hidden;background:#173d3540;opacity:0;pointer-events:none;transition:opacity .18s ease,visibility .18s ease}.student-workbench__progress-backdrop--open{visibility:visible;opacity:1;pointer-events:auto}.student-workbench__progress-header{display:flex;min-width:0;align-items:center;justify-content:space-between;gap:.6rem}.student-workbench__progress-label{min-width:0;color:var(--student-ink);font-size:.88rem;font-weight:800}.student-workbench__progress-close{display:inline-flex;min-width:2.5rem;min-height:2.5rem;align-items:center;justify-content:center;padding:0;border:1px solid var(--student-line);border-radius:999px;background:transparent;color:var(--student-ink);font-size:1.4rem;line-height:1}.student-workbench__progress-content{min-width:0}.student-workbench .five-step-map{border:0;background:transparent;box-shadow:none}.student-workbench .five-step-map__heading{padding:.35rem 0 1rem;border-color:var(--student-line)}.student-workbench .five-step-map__heading>p{display:none}.student-workbench .five-step-map__chapter-progress{display:grid;gap:.45rem;padding:.75rem 0 1rem;border-bottom:1px solid var(--student-line)}.student-workbench .five-step-map__chapter-progress>div:first-child{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;color:var(--student-muted);font-size:.82rem}.student-workbench .five-step-map__chapter-progress strong{color:var(--student-orange);font-size:1.35rem}.student-workbench .five-step-map__track{height:.4rem;overflow:hidden;background:#ebdfca}.student-workbench .five-step-map__track span{display:block;height:100%;background:var(--student-orange)}.student-workbench .five-step-map__list{gap:.25rem}.student-workbench .five-step{grid-template-columns:3rem minmax(0,1fr);gap:.75rem;padding:.85rem 1rem;border:0}.student-workbench .five-step--in-progress{border-left:3px solid var(--student-orange);background:var(--student-pale-orange)}.student-workbench .five-step--in-progress .five-step__number,.student-workbench .five-step--in-progress .five-step__status{color:var(--student-orange)}.student-workbench .five-step--not-started h3{color:var(--student-muted)}.student-workbench .five-step__content{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.25rem .75rem}.student-workbench .five-step h3{display:-webkit-box;overflow:hidden;overflow-wrap:normal;word-break:normal;-webkit-box-orient:vertical;-webkit-line-clamp:2}.student-workbench .five-step__task-count{display:block;grid-column:1;margin-top:.25rem;color:var(--student-muted);font-size:.76rem}.student-workbench .five-step__status{grid-column:2;grid-row:1 / span 2}.student-workbench .five-step__history-links{display:flex;flex-wrap:wrap;gap:.35rem;grid-column:1 / -1;margin-top:.35rem}.student-workbench .five-step__history-links a{color:var(--student-orange);font-size:.78rem;font-weight:750;text-underline-offset:.2rem}.student-workbench__task{width:100%;min-width:0;min-height:0}.student-chapter-workbench .student-workbench__task--with-test{grid-template-rows:minmax(0,1fr) auto}.student-conversation--embedded{min-height:auto;padding:0;background-color:transparent;background-image:none}.student-conversation--embedded .task-conversation__shell{width:auto;margin:0}.student-conversation--embedded .task-conversation__hero{padding:clamp(1.15rem,3vw,1.8rem) clamp(1.15rem,3vw,1.8rem) 0}.student-conversation--embedded .conversation-panel,.student-conversation--embedded .hint-card{border-color:var(--student-line);background:var(--student-card);box-shadow:none}.student-conversation--embedded .conversation-panel{padding:clamp(1.15rem,3vw,1.8rem)}.student-conversation--embedded .conversation-panel__state{color:var(--student-orange)}.student-conversation--embedded textarea{border-color:var(--student-line);background:#fffdf7;color:var(--student-ink)}.student-conversation--embedded button{background:var(--student-orange);color:#fffaf1}.student-conversation--embedded .button-secondary{border:1px solid var(--student-line);background:transparent;color:var(--student-ink)}.student-conversation--embedded .task-completion{border-color:#b7cdb8;background:#eef7ed}.student-conversation--embedded .conversation-evidence{margin:0 0 .85rem;padding:.9rem 1rem;border:1px solid var(--student-line);background:#faf6ed}.student-conversation--embedded .conversation-evidence--answer{border-left:3px solid var(--student-ink)}.student-conversation--embedded .conversation-history{border-color:var(--student-line);background:#f7f1e5}.student-conversation--embedded .conversation-history__turn{border-left-color:var(--student-orange);background:#fffdf7}.student-conversation--embedded .conversation-history__turn time{color:var(--student-muted)}.student-course-home :focus-visible,.student-workbench :focus-visible,.student-conversation--embedded :focus-visible{outline:3px solid #0c6254;outline-offset:3px}body:has(.authenticated-shell>.task-conversation--dialogue){overflow:hidden}.authenticated-shell:has(>.task-conversation--dialogue){display:grid;grid-template-rows:auto auto minmax(0,1fr);height:100vh;height:100dvh;overflow:hidden}.authenticated-shell>.task-conversation--dialogue{height:auto;min-height:0}.task-conversation--dialogue{height:100vh;height:100dvh;min-height:100vh;min-height:100dvh;overflow:hidden;background:var(--student-paper)}.task-conversation__shell--dialogue{height:100%;overflow:hidden;border:1px solid var(--student-line);background:var(--student-card);box-shadow:0 .8rem 2.2rem #35220d12}.student-conversation--embedded.task-conversation--dialogue{height:100%;min-height:0;padding:0}.student-conversation--embedded .task-conversation__shell--dialogue{height:100%;border:0;box-shadow:none}.task-conversation__shell--dialogue{display:grid;grid-template-rows:minmax(0,1fr)}.dialogue-transcript__content>.task-materials{display:grid;width:100%;max-width:100%;gap:1rem;padding:clamp(1rem,3vw,1.5rem);border:1px solid var(--student-line);border-radius:.85rem;background:#f4f8f4;box-shadow:0 .4rem 1rem #3c2e1c0a}.task-materials__heading{display:flex;align-items:start;justify-content:space-between;gap:1rem}.task-materials__heading h2,.task-materials__heading p{margin:0}.task-materials__heading h2{margin-top:.15rem;font-size:clamp(1.15rem,2vw,1.45rem)}.task-materials__heading button{min-height:2.75rem;flex:0 0 auto;padding:.55rem .9rem;border:1px solid #9db8ae;border-radius:999px;background:#fffdf7;color:#24594f;font:inherit;font-weight:800}.task-materials__block{min-width:0}.task-materials__block :is(p,li){line-height:1.75}.task-materials img{display:block;max-width:100%;height:auto;margin-inline:auto}.safe-markdown__table{max-width:100%;overflow-x:auto}.safe-markdown__table table{min-width:32rem;border-collapse:collapse}.safe-markdown__table th,.safe-markdown__table td{padding:.5rem;border:1px solid var(--student-line);text-align:left}.task-materials pre{overflow-x:auto;padding:.9rem;background:#1f2933;color:#f5f7fa}@media (max-width: 759px){.student-learning-header__bar{grid-template-areas:"back task actions" "goal goal goal";grid-template-columns:auto minmax(0,1fr) auto;grid-template-rows:44px 44px;height:103px;gap:0 .4rem;padding:.5rem .65rem}.student-learning-header__back{grid-area:back;min-width:44px;padding-inline:.55rem}.student-learning-header__chapter{display:none}.student-learning-header__task{grid-area:task}.student-learning-header__task>span{display:none}.student-learning-header__task>h1{font-size:.98rem}.student-learning-header__goal{grid-area:goal;padding-block:.3rem}.student-learning-header__goal>strong{font-size:.78rem}.student-learning-header__actions{grid-area:actions;gap:.3rem}.student-learning-header__identity{display:none}.student-learning-header__actions button{padding-inline:.55rem}.student-learning-header__progress{font-size:0}.student-learning-header__progress:after{font-size:.8rem;content:"进度"}.student-workbench__progress-header{padding:.65rem .85rem;border-bottom:1px solid var(--student-line)}.student-workbench__progress-content{padding:0}.task-conversation--dialogue{padding:.75rem}}@media (max-width: 520px){.course-chapter{grid-template-columns:1fr;gap:.5rem}.course-chapter__action a{width:100%}}@media (max-width: 600px){.student-workbench__test-entry{align-items:stretch;flex-direction:column;gap:.65rem;margin-inline:.75rem;padding:.7rem .8rem}.student-workbench__test-entry-main{align-items:flex-start}.student-workbench__test-entry-icon{width:2rem;height:2rem;font-size:1rem}.student-workbench__test-entry-action{width:100%}}.chapter-test-page{--test-paper: #f7f1e5;--test-card: #fffdf7;--test-ink: #173d35;--test-muted: #66766e;--test-line: #d8cdbb;--test-accent: #98400f;min-height:100vh;min-height:100dvh;padding:clamp(1rem,4vw,3rem);color:var(--test-ink);background-color:var(--test-paper);background-image:linear-gradient(#173d3508 1px,transparent 1px),linear-gradient(90deg,#173d3508 1px,transparent 1px);background-size:1.5rem 1.5rem}.chapter-test-page__shell{width:min(100%,58rem);margin:0 auto;display:grid;gap:1rem}.chapter-test-page .eyebrow{margin:0;color:var(--test-accent);font-weight:800;letter-spacing:.08em;text-transform:uppercase}.chapter-test-nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem 0}.chapter-test-nav a,.chapter-test-load-error a{display:inline-flex;min-height:44px;align-items:center;color:var(--test-ink);font-weight:750;text-underline-offset:.2em}.chapter-test-nav__status{padding:.42rem .75rem;border:1px solid var(--test-line);border-radius:999px;background:var(--test-card);color:var(--test-accent);font-weight:800}.chapter-test-hero{display:grid;gap:.65rem;padding:clamp(1.25rem,4vw,2.25rem);border:1px solid var(--test-line);background:#173d35;color:#fffdf7;box-shadow:0 .8rem 2.2rem #35220d12}.chapter-test-hero h1,.chapter-test-hero p{margin:0;color:inherit}.chapter-test-hero .eyebrow{color:#f4b17b}.chapter-test-deadline{display:flex;flex-wrap:wrap;gap:.35rem .75rem;margin-top:.5rem!important;padding-top:.85rem;border-top:1px solid #ffffff36}.chapter-test-card,.chapter-test-editor,.chapter-test-load-error{border:1px solid var(--test-line);background:var(--test-card);box-shadow:0 .8rem 2.2rem #35220d12}.chapter-test-question{padding:clamp(1.25rem,4vw,2rem);overflow-wrap:anywhere}.chapter-test-question>:first-child{margin-top:0}.chapter-test-hint{margin-top:1.25rem;padding:1rem 1.1rem;border-left:.25rem solid var(--test-accent);background:#fff0e2}.chapter-test-hint p{margin:.35rem 0 0;color:var(--test-muted)}.chapter-test-formal{display:grid;gap:.85rem;padding:clamp(1.1rem,4vw,1.6rem)}.chapter-test-formal h2,.chapter-test-formal p{margin:0}.chapter-test-formal__answer{padding:1rem;border:1px solid var(--test-line);background:#f8f4ea;white-space:pre-wrap;overflow-wrap:anywhere}.chapter-test-formal__notice{padding:.65rem .8rem;border-left:.25rem solid var(--test-accent);background:#fff0e2;color:var(--test-ink);font-weight:800}.chapter-test-formal__time{color:var(--test-muted);font-size:.9rem}.chapter-test-editor{display:grid;gap:1rem;padding:clamp(1.25rem,4vw,2rem)}.chapter-test-editor__heading{display:flex;align-items:start;justify-content:space-between;gap:1rem}.chapter-test-editor__heading h2{margin:.25rem 0 0}.chapter-test-save{flex:0 0 auto;margin:0;padding:.38rem .7rem;border:1px solid var(--test-line);border-radius:999px;color:var(--test-muted);font-size:.9rem;font-weight:750}.chapter-test-save--saving,.chapter-test-save--pending{color:var(--test-accent);background:#fff0e2}.chapter-test-save--saved{color:#176449;background:#e7f5ed}.chapter-test-save--error{color:#8b2f24;background:#fff0ec}.chapter-test-editor__field{display:grid;gap:.5rem;font-weight:800}.chapter-test-editor textarea{width:100%;min-height:16rem;resize:vertical;padding:1rem;border:1px solid #aa9d88;border-radius:.25rem;background:#fffefa;color:var(--test-ink);font:inherit;font-size:1rem;line-height:1.65}.chapter-test-editor textarea:focus{outline:3px solid #c96d2d3d;border-color:var(--test-accent)}.chapter-test-editor textarea:disabled{background:#eee8dc;color:#4e5d57;cursor:not-allowed}.chapter-test-editor__help{margin:-.55rem 0 0;color:var(--test-muted);font-size:.9rem}.chapter-test-editor__actions,.chapter-test-confirmation__actions{display:flex;justify-content:flex-end;gap:.75rem}.chapter-test-editor button{min-height:44px;padding:.65rem 1rem;border:1px solid var(--test-line);border-radius:.25rem;background:var(--test-card);color:var(--test-ink);font:inherit;font-weight:800;cursor:pointer}.chapter-test-editor button:disabled{opacity:.55;cursor:not-allowed}.chapter-test-editor .chapter-test-submit{border-color:var(--test-accent);background:var(--test-accent);color:#fff}.chapter-test-message{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 1rem;border-left:.25rem solid #8b2f24;background:#fff0ec}.chapter-test-message p{margin:0;color:#6e251c}.chapter-test-confirmation{position:fixed;top:0;right:0;bottom:0;left:0;z-index:30;display:grid;place-items:center;padding:1rem;background:#102f29b8}.chapter-test-confirmation__card{width:min(100%,31rem);padding:1.5rem;border:1px solid var(--test-line);background:var(--test-card);box-shadow:0 1.2rem 3.5rem #10251f4d}.chapter-test-confirmation__card h2{margin:.35rem 0 .65rem}.chapter-test-confirmation__actions{margin-top:1.25rem}.chapter-test-load-error{width:min(100%,38rem);margin:12vh auto 0;padding:clamp(1.4rem,5vw,2.5rem)}.chapter-test-load-error h1{margin:.35rem 0 .75rem}@media (max-width: 560px){.chapter-test-page{padding:.75rem}.chapter-test-editor__heading,.chapter-test-message{align-items:stretch;flex-direction:column}.chapter-test-save{align-self:flex-start}.chapter-test-editor textarea{min-height:14rem;font-size:16px}.chapter-test-confirmation__actions{flex-direction:column-reverse}.chapter-test-confirmation__actions button{width:100%}}@media (prefers-reduced-motion: reduce){.chapter-test-page *,.chapter-test-page *:before,.chapter-test-page *:after{scroll-behavior:auto!important;transition:none!important}}.teacher-class-setup-page{min-height:calc(100vh - 4.5rem);padding-bottom:clamp(2rem,6vw,5rem);background:#f7f5f1}.teacher-class-setup-page__shell{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(16rem,.7fr);gap:1rem;width:min(70rem,calc(100% - 2rem));margin:0 auto}.teacher-class-setup-page__back{display:inline-flex;min-height:2.75rem;align-items:center;padding:.65rem 1rem;border:1px solid #b9bdb7;border-radius:.45rem;color:#20201e;background:#fff;font-weight:750;text-decoration:none}.teacher-class-setup-card,.teacher-class-setup-guide{border:1px solid #d9ddd7;border-radius:.75rem;background:#fff;box-shadow:0 20px 55px #20201e0f}.teacher-class-setup-card{padding:clamp(1.25rem,4vw,2.5rem)}.teacher-class-setup-card__intro{display:flex;align-items:flex-start;gap:1rem;padding-bottom:1.5rem;border-bottom:1px solid #e5e7e3}.teacher-class-setup-card__step{color:#155e52;font-size:clamp(2rem,5vw,3.5rem);font-weight:850;line-height:1;letter-spacing:-.06em}.teacher-class-setup-card h2{margin:.2rem 0 .45rem;font-size:clamp(1.35rem,3vw,2rem);letter-spacing:-.025em}.teacher-class-setup-card p{margin:0;color:#5f625f}.teacher-class-setup-form{display:grid;gap:.65rem;padding-top:1.5rem}.teacher-class-setup-form label{font-size:.88rem;font-weight:800}.teacher-class-setup-form input{min-height:3.25rem;padding:.75rem .9rem;border:1px solid #b9bdb7;border-radius:.45rem;font-size:1rem}.teacher-class-setup-form__hint{color:#686c68!important;font-size:.8rem}.teacher-class-setup-form button{justify-self:start;min-height:3rem;margin-top:.6rem;padding-inline:1.25rem;border-radius:.45rem}.teacher-class-setup-form button:disabled{color:#fff;background:#4f766f;opacity:1}.teacher-class-setup-card__status,.teacher-class-setup-card__error{margin-top:1rem!important;padding:.85rem 1rem;border-left:3px solid currentColor}.teacher-class-setup-card__status{color:#1f6b54!important;background:#edf7f3}.teacher-class-setup-card__error{color:#a33a2b!important;background:#fff0ed}.teacher-class-setup-guide{padding:1.5rem}.teacher-class-setup-guide ol{display:grid;gap:0;margin:1rem 0 0;padding:0;list-style:none}.teacher-class-setup-guide li{display:grid;grid-template-columns:2rem 1fr;gap:.7rem;padding:1rem 0;border-top:1px solid #e5e7e3}.teacher-class-setup-guide li>span{display:grid;width:1.75rem;height:1.75rem;place-items:center;border:1px solid #b9bdb7;border-radius:50%;color:#5f625f;font-size:.78rem;font-weight:800}.teacher-class-setup-guide li.is-current>span{border-color:#155e52;color:#fff;background:#155e52}.teacher-class-setup-guide strong{display:block;margin-bottom:.25rem}.teacher-class-setup-guide p{margin:0;color:#5f625f;font-size:.82rem;line-height:1.55}@media (max-width: 760px){.teacher-class-setup-page__shell{grid-template-columns:1fr}.teacher-class-setup-guide{order:-1}.teacher-class-setup-form button{width:100%}}.chapter-schedule-board{display:grid;gap:1rem;padding:1rem;border:1px solid #bfc8c1;border-radius:.75rem;background:#eef7f3;color:#20201e}.chapter-schedule-board__heading,.chapter-schedule-card__heading,.chapter-schedule-card__footer,.chapter-schedule-card__links{display:flex;align-items:center;justify-content:space-between;gap:.75rem}.chapter-schedule-board__heading :is(h2,p),.chapter-schedule-card__heading :is(h3,p){margin:0}.chapter-schedule-board__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;min-width:0}.chapter-schedule-card{display:grid;gap:.7rem;min-width:0;padding:1rem;border:1px solid #cbd4cd;border-radius:.65rem;background:#fff;box-shadow:0 8px 22px #20201e0f}.chapter-schedule-card.is-current{border:2px solid #155e52;background:#f5fcf9}.chapter-schedule-card__heading h3{overflow-wrap:anywhere;font-size:1.05rem}.chapter-schedule-card__details{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.45rem;margin:0}.chapter-schedule-card__details div{min-width:0;padding:.55rem;border:1px solid #d4ddd6;border-radius:.35rem;background:#f5f8f5}.chapter-schedule-card__details dt{color:#355147;font-size:.8rem;font-weight:700}.chapter-schedule-card__details dd{margin:.2rem 0 0;color:#20201e;font-weight:800;overflow-wrap:anywhere}.chapter-schedule-card__links{justify-content:flex-start;flex-wrap:wrap}.chapter-schedule-card__links a{color:#0c5147;font-weight:750}.chapter-schedule-card label{display:grid;gap:.35rem;color:#20201e;font-weight:700}.chapter-schedule-card :is(input,select,button){max-width:100%;min-height:2.7rem}.chapter-schedule-card input,.chapter-schedule-card select{box-sizing:border-box;width:100%;border:1px solid #7a8f82;border-radius:.35rem;background:#fff;color:#20201e}.chapter-schedule-card button{padding:.55rem .85rem;border:1px solid #155e52;border-radius:.35rem;background:#155e52;color:#fff;font-weight:750}.chapter-schedule-card button:disabled,.chapter-schedule-card select:disabled,.chapter-schedule-card input:disabled{opacity:.6;cursor:not-allowed}.chapter-schedule-card__notice{margin:0;padding:.55rem .65rem;border-left:3px solid #a85214;background:#fff4e5;color:#55320f;font-weight:650}.chapter-schedule-card [role=alert]{margin:0;color:#8a2018;font-weight:750;overflow-wrap:anywhere}.chapter-schedule-card [role=status]{margin:0;color:#0c5147;font-weight:750}@media (max-width: 44rem){.chapter-schedule-board{padding:.75rem}.chapter-schedule-board__heading,.chapter-schedule-card__heading,.chapter-schedule-card__footer{align-items:stretch;flex-direction:column}.chapter-schedule-card__details{grid-template-columns:1fr}.chapter-schedule-board__grid{grid-template-columns:minmax(0,1fr)}}.teacher-content-page{min-height:calc(100vh - 4.5rem);padding:0 0 clamp(2rem,5vw,4rem);color:#20201e;background:#f7f5f1}.teacher-content-page>.teacher-page-header{width:min(76rem,100%);margin:0 auto}.teacher-content-page .teacher-page-header__content h1{max-width:19ch;font-size:clamp(2rem,4.2vw,3.6rem)}.teacher-content-page__shell{width:min(72rem,calc(100% - 2rem));margin:0 auto;display:grid;gap:1rem}.teacher-content-page .teacher-panel{border-color:#d9ddd7;border-radius:.75rem;color:#20201e;background:#fff;box-shadow:0 18px 48px #20201e0f;overflow:hidden}.teacher-content-page :is(h1,h2,h3,strong,label,dt,dd,p){color:#20201e}.teacher-content-page .eyebrow{color:#a85214}.teacher-content-page .primary-action,.teacher-content-page .secondary-action{display:inline-flex;align-items:center;justify-content:center;min-height:2.75rem;padding:.65rem 1rem;border:1px solid var(--teacher-accent, #a94f00);text-decoration:none;font-weight:750}.teacher-content-page .primary-action{background:#155e52;color:#fff}.teacher-content-page .secondary-action{border-color:#b9bdb7;background:#fff;color:#20201e}.content-classroom{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem 1rem;border:1px solid #d9ddd7;border-radius:.6rem;background:#fff;color:#20201e;font-weight:700}.content-classroom select{min-width:12rem}.content-target,.content-release-lookup{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem 1rem}.content-target span{color:#5f625f}.content-release-lookup p{margin:0}.content-workflow-steps ol{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;padding:0;margin:0;list-style:none}.content-workflow-steps li{display:flex;align-items:center;gap:.65rem;min-height:3.5rem;padding:.7rem .8rem;border:1px solid #d9ddd7;border-radius:.55rem;background:#fff;color:#5f625f}.content-workflow-steps li>span{display:grid;place-items:center;width:1.8rem;height:1.8rem;border:1px solid currentColor;border-radius:50%}.content-workflow-steps li.is-active{border-color:#155e52;background:#edf7f3;color:#20201e}.content-workflow-steps li.is-complete{border-color:#7a8f82;color:#20201e}.content-upload-panel{display:grid;gap:.5rem}.content-upload-panel .teacher-panel__heading{margin-bottom:.5rem}.file-picker__selection{margin:0 0 .5rem;font-weight:700;overflow-wrap:anywhere}.content-upload-panel__note{margin:.5rem 0 0;color:#5f625f!important}.content-validation-action,.content-publish{display:flex;align-items:center;justify-content:space-between;gap:1rem}.content-validation-action h2,.content-validation-action p,.content-publish h2,.content-publish p{margin-top:0}.content-actions{display:flex;flex-wrap:wrap;gap:.75rem;padding:0 1rem 1rem}.content-current__summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;padding:1rem}.content-current__summary div{padding:.85rem;border-radius:.4rem;background:#f3f5f3}.content-current__summary dt{color:#5f625f;font-size:.875rem}.content-current__summary dd{margin:.3rem 0 0;font-weight:750;overflow-wrap:anywhere}.content-stage{font-weight:750}.content-validation-report{padding:1rem;border-left:4px solid #c86b22;background:#fff6ea}.content-validation-report h2{margin:.2rem 0 .75rem;font-size:1.1rem}.content-validation-report ul{margin:0}.content-validation-report li span{margin-right:.6rem;color:#7d3f00;font-family:ui-monospace,monospace;font-size:.8rem}.content-validating{border-left:4px solid var(--teacher-accent, #a94f00)}.content-failure{border-left:4px solid #9c2f22}.chapter-release-panel form{display:grid;gap:.8rem;padding:1.25rem}.chapter-release-panel form label{display:grid;gap:.35rem}.chapter-release-panel form :is(input,select){min-height:2.8rem}.chapter-release-panel>:is([role=status],[role=alert]){margin:0 1.25rem 1.25rem}.chapter-preview{display:grid;gap:1rem}.chapter-preview__markdown{overflow-wrap:anywhere}.chapter-preview__image{display:block;max-width:100%;height:auto;border:1px solid var(--teacher-line, #d8d7c9)}.chapter-preview__table{overflow-x:auto;padding-bottom:.25rem}.chapter-preview__formula,.chapter-preview__code{padding:.75rem;border:1px solid #d9ddd7;background:#f3f5f3;color:#20201e;white-space:pre-wrap}.chapter-preview__test{padding:1rem;background:#f1f7f5}@media (max-width: 44rem){.content-workflow-steps ol,.content-current__summary{grid-template-columns:1fr}.content-validation-action,.content-publish,.content-classroom,.content-target,.content-release-lookup{align-items:stretch;flex-direction:column}.content-classroom select{min-width:0;width:100%}}.teacher-tests{min-height:100%;background:#f7f5f1;color:#20201e;padding:2rem 1rem 5rem}.teacher-tests__shell{width:min(1120px,100%);margin:0 auto}.teacher-tests__hero,.teacher-test-student,.teacher-test-dialog header{display:flex;align-items:center;justify-content:space-between;gap:1rem}.teacher-tests__hero h1{margin:.2rem 0;font-size:clamp(2rem,5vw,4rem)}.teacher-tests__hero-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:.65rem}.teacher-tests__navigation{margin-bottom:1rem}.teacher-tests__back{display:inline-flex;min-height:44px;box-sizing:border-box;align-items:center;justify-content:center;border:1px solid #9aa39f;border-radius:.5rem;padding:.65rem 1rem;color:#155e52;background:#fff;font-weight:750;text-decoration:none}.teacher-tests__back-arrow{line-height:1}.teacher-tests__back:hover{border-color:#155e52;background:#edf5f2}.teacher-tests button,.teacher-tests select,.teacher-tests input,.teacher-tests textarea{font:inherit}.teacher-tests button{min-height:44px;border:1px solid #155e52;border-radius:.5rem;padding:.65rem 1rem;color:#155e52;background:#fff;cursor:pointer}.teacher-tests button:focus-visible,.teacher-tests a:focus-visible,.teacher-tests select:focus-visible,.teacher-tests input:focus-visible,.teacher-tests textarea:focus-visible{outline:3px solid #e38a36;outline-offset:2px}.teacher-tests button:disabled{opacity:.52;cursor:not-allowed}.teacher-tests__export,.teacher-test-dialog form button{background:#155e52!important;color:#fff!important;border-color:#155e52!important}.teacher-tests__context{display:flex;align-items:end;justify-content:space-between;gap:2rem;margin:1.5rem 0;padding:1.1rem 1.25rem;border:1px solid #d9ddd7;border-radius:.75rem;background:#fff}.teacher-tests__context label{display:grid;flex:1;gap:.45rem;max-width:38rem;color:#20201e;font-weight:750}.teacher-tests__context select{min-height:46px;width:100%;border:1px solid #6d7d78;border-radius:.55rem;padding:.65rem .75rem;color:#20201e;background:#fff}.teacher-tests__context p{max-width:28rem;margin:0;color:#5f625f;font-size:.92rem}.teacher-tests__load-message{margin:1.5rem 0 0;padding:1rem 1.25rem;border:1px solid #d9ddd7;border-radius:.75rem;background:#fff}.teacher-tests__load-message[role=alert]{border-color:#e2b8ae;color:#8e2f20;background:#fff3f0}.teacher-tests__question{margin:1.5rem 0;padding:1.5rem;background:#fff;border:1px solid #d9ddd7;border-radius:.75rem}.teacher-tests__question aside{border-left:4px solid #e38a36;padding-left:1rem}.teacher-tests__locked{display:inline-block;padding:.5rem .8rem;color:#82400b;background:#fff0df;border-radius:.5rem;font-weight:700}.teacher-tests__switch{display:flex;gap:.5rem;margin:1.25rem 0}.teacher-tests__switch button[aria-pressed=true]{background:#155e52;color:#fff}.teacher-tests__student-select{display:grid;gap:.4rem;max-width:28rem;margin-bottom:1rem;font-weight:700}.teacher-tests__student-select select{min-height:44px;border:1px solid #6d7d78;border-radius:.65rem;padding:.6rem;background:#fff}.teacher-tests__students{display:grid;gap:.75rem}.teacher-test-student{padding:1rem 1.25rem;background:#fff;border:1px solid #d9ddd7;border-radius:.75rem}.teacher-test-student h3{margin:0}.teacher-test-dialog__backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:grid;place-items:center;padding:1rem;background:#09231f8a}.teacher-test-dialog{box-sizing:border-box;width:min(1020px,100%);max-height:92vh;overflow:auto;padding:1.5rem;background:#fff;border-radius:.75rem;box-shadow:0 24px 80px #00000040}.teacher-test-dialog h2{margin:.2rem 0}.teacher-test-dialog__content{display:grid;grid-template-columns:minmax(0,1fr) minmax(19rem,22rem);align-items:start;gap:1.5rem;margin-top:1.25rem}.teacher-test-dialog__answers{display:grid;min-width:0;gap:1rem}.teacher-test-dialog__answer{min-width:0;padding:1rem 1.1rem;border:1px solid #ccd4cf;border-radius:.7rem;background:#f7faf8}.teacher-test-dialog__answer header{display:flex;align-items:baseline;justify-content:space-between;gap:.75rem}.teacher-test-dialog__answer h3{margin:0;color:#17332e;font-size:1rem}.teacher-test-dialog__answer time{flex:none;color:#44514d;font-size:.9rem}.teacher-test-dialog__answer-body{margin-top:.9rem;color:#151815;font-size:1rem;line-height:1.75;white-space:pre-wrap;overflow-wrap:anywhere;-webkit-user-select:text;user-select:text}.teacher-test-dialog__grading-card{position:sticky;top:0;padding:1rem 1.1rem 1.1rem;border:1px solid #cbd5d0;border-radius:.7rem;background:#fff;box-shadow:0 .45rem 1.2rem #14302a14}.teacher-test-dialog__grading-card label{display:grid;gap:.4rem;margin:0 0 1rem;font-weight:700}.teacher-test-dialog__grading-card textarea,.teacher-test-dialog__grading-card input{box-sizing:border-box;width:100%;border:1px solid #52665f;border-radius:.65rem;padding:.75rem;color:#171a18;background:#fff}.teacher-test-dialog__grading-card textarea{min-height:8rem;resize:vertical}.teacher-test-dialog [role=alert]{color:#a02412;font-weight:700}@media (max-width: 620px){.teacher-tests{padding:1rem .75rem 4rem}.teacher-tests__hero,.teacher-test-student,.teacher-tests__context{align-items:stretch;flex-direction:column}.teacher-tests__hero-actions{display:grid;width:100%}.teacher-tests__hero button,.teacher-tests__navigation .teacher-tests__back,.teacher-test-student button{width:100%}.teacher-test-dialog__backdrop{padding:0}.teacher-test-dialog{width:100%;max-height:none;height:100dvh;border-radius:0;padding:1rem}.teacher-test-dialog__content{grid-template-columns:minmax(0,1fr);gap:1rem}.teacher-test-dialog__answer{padding:1rem}.teacher-test-dialog__answer header{align-items:flex-start;flex-direction:column;gap:.35rem}.teacher-test-dialog__grading-card{position:static;padding:1rem}.teacher-test-dialog__grading-card input,.teacher-test-dialog__grading-card textarea,.teacher-test-dialog__grading-card button{font-size:16px}}.teacher-dashboard{--teacher-ink: #20201e;--teacher-muted: #5f625f;--teacher-line: #d9ddd7;--teacher-paper: #ffffff;--teacher-accent: #155e52;--teacher-focus: #155e52;color:var(--teacher-ink);background:#f7f5f1}.teacher-dashboard .teacher-panel{border-color:var(--teacher-line);border-radius:.75rem;background:var(--teacher-paper);box-shadow:0 1.2rem 3.5rem #20201e0f;overflow:hidden}.teacher-dashboard .teacher-panel__heading,.teacher-dashboard .student-table th,.teacher-dashboard .student-table td,.teacher-dashboard .review-queue li{border-color:var(--teacher-line)}.teacher-dashboard .eyebrow{color:#a85214}.teacher-dashboard .teacher-dashboard__import,.teacher-dashboard .table-detail-link{color:var(--teacher-accent)}.teacher-dashboard .teacher-dashboard__import{border-color:var(--teacher-accent)}.teacher-dashboard .teacher-dashboard__import:hover{background:var(--teacher-accent);color:#fff}.teacher-dashboard .student-table__name,.teacher-dashboard .student-table__step{color:var(--teacher-ink)}.teacher-dashboard .student-table__secondary,.teacher-dashboard .teacher-panel__heading>p{color:var(--teacher-muted)}.teacher-dashboard .student-table tbody tr:hover{background:#f1f7f5}.teacher-student-evidence-link__pending{display:inline-flex;align-items:center;gap:.4rem}.teacher-student-evidence-link__spinner{width:.85rem;height:.85rem;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:teacher-student-evidence-link-spin .75s linear infinite}@keyframes teacher-student-evidence-link-spin{to{transform:rotate(360deg)}}.teacher-dashboard :is(a,button,select):focus-visible,.teacher-dashboard :is(.class-overview__totals-scroll,.student-table-scroll):focus-visible{outline-color:var(--teacher-focus)}.teacher-current-context__heading{align-items:center}.teacher-current-context .teacher-filters{display:flex;flex-wrap:wrap;gap:.75rem}.teacher-current-context .teacher-filters label{min-width:min(15rem,100%)}.teacher-view-switch{display:inline-flex;gap:.25rem;margin:0 0 1.25rem;padding:.3rem;border:1px solid var(--teacher-line);border-radius:999px;background:#fff}.teacher-view-switch button{min-width:7.5rem;border:0;border-radius:999px;background:transparent;color:var(--teacher-muted)}.teacher-view-switch button[aria-pressed=true]{background:var(--teacher-accent);color:#fff;box-shadow:0 .35rem 1rem #155e522e}.teacher-progress-view__heading{align-items:center}.teacher-chapter-picker{display:grid;gap:.35rem;color:var(--teacher-muted);font-size:.76rem;font-weight:750}.teacher-chapter-picker select{min-width:min(26rem,70vw);border-color:var(--teacher-line);background:#fff;color:var(--teacher-ink)}.teacher-chapter-summary{display:flex;align-items:end;justify-content:space-between;gap:2rem;padding:clamp(1.2rem,3vw,2rem);background:#f1f7f5}.teacher-chapter-summary h3{margin:.25rem 0;font-size:clamp(1.25rem,3vw,1.8rem)}.teacher-chapter-summary p{margin:0;color:var(--teacher-muted)}.teacher-chapter-summary dl{display:grid;grid-template-columns:repeat(5,minmax(5rem,1fr));gap:.75rem;margin:0}.teacher-chapter-summary dl div{padding:.75rem;border-left:2px solid var(--teacher-accent);background:#fff}.teacher-chapter-summary dt{color:var(--teacher-muted);font-size:.72rem}.teacher-chapter-summary dd{margin:.25rem 0 0;font-size:1.35rem;font-weight:800}.teacher-chapter-empty{margin:0;padding:3rem 1.5rem;color:var(--teacher-muted);text-align:center}.teacher-coaching__heading{align-items:flex-start}.teacher-coaching__summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem;margin:0;padding:clamp(1rem,3vw,1.5rem);background:#f1f7f5}.teacher-coaching__summary div{min-width:0;padding:.85rem 1rem;border-top:3px solid var(--teacher-accent);background:#fff}.teacher-coaching__summary dt{color:var(--teacher-muted);font-size:.75rem;font-weight:750}.teacher-coaching__summary dd{margin:.25rem 0 0;color:var(--teacher-ink);font-size:clamp(1.4rem,4vw,2rem);font-weight:850}.teacher-coaching__grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(16rem,.75fr);gap:1px;background:var(--teacher-line);border-top:1px solid var(--teacher-line)}.teacher-coaching__grid>section{min-width:0;padding:clamp(1rem,3vw,1.5rem);background:var(--teacher-paper)}.teacher-coaching__grid h3{margin:0 0 1rem;font-size:1rem}.teacher-coaching__attention-list,.teacher-coaching__sticking-list{display:grid;gap:.75rem;margin:0;padding:0;list-style:none}.teacher-coaching__attention-list li{padding:1rem;border:1px solid var(--teacher-line);border-left:4px solid var(--teacher-accent);background:#fff}.teacher-coaching__attention-list p{margin:.45rem 0;color:var(--teacher-muted)}.teacher-coaching__attention-list a{display:inline-flex;align-items:center;min-height:44px;color:var(--teacher-accent);font-weight:800}.teacher-coaching__student-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.teacher-coaching__student-heading div{display:grid;gap:.2rem;min-width:0}.teacher-coaching__student-heading span,.teacher-coaching__student-heading time{color:var(--teacher-muted);font-size:.75rem}.teacher-coaching__student-heading time{flex:0 0 auto}.teacher-coaching__reason{color:var(--teacher-ink)!important;font-weight:800}.teacher-coaching__sticking-list li{display:grid;gap:.3rem;padding:1rem;background:#f3f5f3}.teacher-coaching__sticking-list span{color:var(--teacher-muted);font-size:.78rem}.teacher-coaching__empty{margin:0;padding:clamp(1rem,3vw,1.5rem);color:var(--teacher-muted)}.dialogue-audit-list{display:grid;gap:1.5rem;margin-bottom:1.5rem}.dialogue-audit__back-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;max-width:100%;padding:.6rem .8rem;white-space:normal}.dialogue-audit{min-width:0;max-width:100%;border:1px solid #d8d7c9;background:#fffdf8;color:#123f37;box-shadow:0 1.2rem 3.5rem #42584c14;overflow-wrap:anywhere}.dialogue-audit__heading{display:flex;align-items:flex-start;justify-content:space-between;gap:1.5rem;padding:clamp(1rem,3vw,1.5rem);border-bottom:1px solid #d8d7c9}.dialogue-audit__heading h2,.dialogue-audit__heading p{margin-top:0}.dialogue-audit__heading p:last-child{margin-bottom:0;color:#5f746e}.dialogue-audit__status{flex:0 0 auto;padding:.4rem .65rem;border:1px solid currentColor;border-radius:999px;font-size:.75rem;font-weight:800}.dialogue-audit__status--student{color:#7a410d;background:#fff1d8}.dialogue-audit__status--system{color:#27506d;background:#e8f5ff}.dialogue-audit__status--complete{color:#216343;background:#e9f7ee}.dialogue-audit__summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem;padding:clamp(1rem,3vw,1.5rem);border-bottom:1px solid #d8d7c9;background:#f7edda}.dialogue-audit__summary p{min-width:0;margin:0;padding:.7rem;border-left:2px solid #a94f00;background:#fffaf0}.dialogue-audit__summary .dialogue-audit__decision{grid-column:1 / -1}.dialogue-audit__events{display:grid;gap:1rem;margin:0;padding:clamp(1rem,3vw,1.5rem);list-style:none}.dialogue-audit__event{min-width:0;border:1px solid #d8d7c9;background:#fff}.dialogue-audit__event article{min-width:0;padding:1rem}.dialogue-audit__event-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.dialogue-audit__event-heading h3{margin:.2rem 0 0;font-size:1.05rem}.dialogue-audit__event-heading time{flex:0 0 auto;color:#5f746e;font-size:.75rem}.dialogue-audit__sequence{margin:0;color:#a94f00;font-size:.72rem;font-weight:800}.dialogue-audit__event-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.5rem;margin:1rem 0}.dialogue-audit__event-facts div{min-width:0;padding:.6rem;background:#f5f2e9}.dialogue-audit__event-facts dt{color:#5f746e;font-size:.68rem;font-weight:750}.dialogue-audit__event-facts dd{margin:.2rem 0 0;overflow-wrap:anywhere}.dialogue-audit__message,.dialogue-audit__raw-answer,.dialogue-audit__reason{white-space:pre-wrap;overflow-wrap:anywhere}.dialogue-audit__message{padding:.85rem;border-left:3px solid #123f37;background:#f4f0e5}.dialogue-audit__binding{color:#5f746e;font-size:.75rem}.dialogue-audit__raw-answer{padding:.85rem;background:#fff7e8}.dialogue-audit__reason{padding:.85rem;border:1px solid #d8d7c9}.dialogue-audit__reason p{margin:.35rem 0}.dialogue-audit-group{display:grid;gap:1rem;min-width:0}.coaching-evidence{padding:clamp(1rem,3vw,1.5rem);border-bottom:1px solid #d8d7c9;background:#fbf7ed}.coaching-evidence__heading h3{margin:0;font-size:1.15rem}.coaching-evidence__heading p{max-width:48rem;margin:.35rem 0 1rem;color:#5f746e}.coaching-evidence__table-scroll{max-width:100%;overflow-x:auto;border:1px solid #d8d7c9;background:#fff}.coaching-evidence__table-scroll:focus-visible{outline:3px solid #123f37;outline-offset:2px}.coaching-evidence__table{width:100%;min-width:54rem;border-collapse:collapse;text-align:left}.coaching-evidence__table th{padding:.7rem .85rem;background:#123f37;color:#fff;font-size:.75rem;letter-spacing:.04em}.coaching-evidence__table td{min-width:0;padding:.85rem;border-top:1px solid #d8d7c9;vertical-align:top}.coaching-evidence__table td>strong,.coaching-evidence__table td>span{display:block}.coaching-evidence__table td>span{margin-top:.25rem;color:#5f746e;font-size:.75rem}.coaching-evidence__table details{margin-top:.65rem}.coaching-evidence__table summary{min-height:2.75rem;color:#a94f00;cursor:pointer;font-weight:800}.coaching-evidence__table details p{margin:.45rem 0;padding:.55rem;background:#f5f2e9;overflow-wrap:anywhere}.coaching-evidence__interventions{margin-top:1rem}.coaching-evidence__interventions h4{margin:0 0 .6rem}.coaching-evidence__interventions ol{display:grid;gap:.5rem;margin:0;padding:0;list-style:none}.coaching-evidence__interventions li{display:grid;grid-template-columns:minmax(8rem,auto) 1fr auto;gap:.75rem;padding:.7rem;border-left:3px solid #a94f00;background:#fff}.coaching-evidence__interventions time{color:#5f746e;font-size:.75rem}.teacher-intervention{display:grid;grid-template-columns:minmax(15rem,.8fr) minmax(0,1.2fr);gap:clamp(1rem,4vw,2rem);padding:clamp(1rem,3vw,1.5rem);border:1px solid #d8d7c9;background:#fffdf8;color:#123f37;box-shadow:0 1rem 2.5rem #42584c12}.teacher-intervention h2{margin:.2rem 0 .5rem;font-size:clamp(1.2rem,3vw,1.55rem)}.teacher-intervention>div>p:last-child{color:#5f746e}.teacher-intervention form{display:grid;gap:.85rem}.teacher-intervention label{display:grid;gap:.35rem;color:#425c55;font-size:.78rem;font-weight:800}.teacher-intervention :is(select,textarea){width:100%;border:1px solid #b8c0b9;border-radius:.45rem;background:#fff;color:#123f37}.teacher-intervention select{min-height:44px}.teacher-intervention textarea{min-height:6rem;resize:vertical}.teacher-intervention :is(select,textarea,button):focus-visible{outline:3px solid #123f37;outline-offset:2px}.teacher-intervention button{min-height:44px;border:1px solid #123f37;border-radius:.45rem;background:#123f37;color:#fff;font-weight:850}.teacher-intervention button:disabled{cursor:not-allowed;opacity:.55}.teacher-intervention__status{margin:0;padding:.75rem;border-left:3px solid currentColor}.teacher-intervention__status--success{color:#216343;background:#e9f7ee}.teacher-intervention__status--error{color:#8a2e1b;background:#fff0eb}@media (max-width: 760px){.teacher-view-switch{display:grid;grid-template-columns:1fr 1fr;width:100%}.teacher-view-switch button{min-width:0}.teacher-chapter-summary{align-items:stretch;flex-direction:column}.teacher-chapter-summary dl{grid-template-columns:repeat(2,1fr)}.teacher-chapter-picker,.teacher-chapter-picker select{width:100%;min-width:0}.teacher-current-context__heading{align-items:flex-start}.dialogue-audit__heading,.dialogue-audit__event-heading{align-items:stretch;flex-direction:column}.dialogue-audit__status{align-self:flex-start}.dialogue-audit__summary{grid-template-columns:1fr}.dialogue-audit__summary .dialogue-audit__decision{grid-column:auto}.dialogue-audit__event-facts{grid-template-columns:1fr}.dialogue-audit__back-link{width:100%}.teacher-coaching__summary{grid-template-columns:repeat(2,minmax(0,1fr))}.teacher-coaching__grid,.teacher-intervention{grid-template-columns:1fr}.teacher-coaching__student-heading{align-items:flex-start;flex-direction:column}.coaching-evidence__interventions li{align-items:flex-start;grid-template-columns:1fr}}.model-settings-page{min-height:100%}.model-settings-card{max-width:52rem}.model-settings-status{align-self:center;padding:.45rem .7rem;border:1px solid currentColor;border-radius:999px;color:#5f625f;font-size:.76rem}.model-settings-status--active{color:#216343;background:#e9f7ee}.model-settings-status--pending_validation{color:#7a410d;background:#fff1d8}.model-settings-status--invalid{color:#9a2d24;background:#fff0ed}.model-settings-form{display:grid;gap:1rem;padding:clamp(1rem,3vw,1.5rem)}.model-settings-form label{display:grid;gap:.4rem;color:#20201e;font-weight:800}.model-settings-form :is(input,select){width:100%;min-height:48px;padding:.65rem .75rem;border:1px solid #b9bdb7;border-radius:.45rem;background:#fff;color:#20201e}.model-settings-form select:disabled{opacity:1;color:#20201e;background:#f3f5f3}.model-settings-form small{color:#5f625f;font-size:.76rem;font-weight:500}.model-settings-form :is(input,select,button):focus-visible{outline:3px solid var(--teacher-focus);outline-offset:2px}.model-settings-submit{justify-self:start;min-height:48px;padding:.7rem 1.15rem;border:0;border-radius:.45rem;background:#155e52;color:#fff;font-weight:850}.model-settings-submit:disabled{opacity:.62}.model-settings-message{margin:1rem 1.5rem 0;padding:.75rem;border-left:3px solid #216343;background:#e9f7ee}.model-settings-message--error{border-left-color:#9a2d24;background:#fff0ed;color:#76201a}@media (max-width: 44rem){.model-settings-status{align-self:start}.model-settings-submit{width:100%}}.student-evidence-page{display:grid;gap:1.25rem;width:100%;max-width:none;margin:0 auto;padding:0 0 clamp(2rem,5vw,4rem);color:#20201e;background:#f7f5f1}.student-evidence-page>:not(.teacher-page-header){box-sizing:border-box;width:min(72rem,calc(100% - 2rem));margin-inline:auto}.student-evidence-page :is(h1,h2,h3,strong,label,p){color:#20201e}.student-evidence-page .teacher-page-header__content p:not(.eyebrow),.student-evidence-page .conversation-message__meta{color:#5f625f}.student-evidence-page__back-link,.technical-evidence__toggle{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.6rem 1rem;border:1px solid #155e52;border-radius:.5rem;color:#155e52;background:#fff;font:inherit;font-weight:700;text-decoration:none;cursor:pointer}.conversation-controls{display:flex;flex-wrap:wrap;gap:1rem;padding:1rem;border:1px solid #d9ddd7;border-radius:.75rem;background:#fff;box-shadow:0 14px 38px #20201e0d}.conversation-controls label{display:grid;flex:1 1 16rem;min-width:0;max-width:100%;gap:.35rem;font-weight:700}.conversation-controls select{box-sizing:border-box;min-width:0;max-width:100%;min-height:44px;padding:.55rem .7rem;border:1px solid #b9bdb7;border-radius:.4rem;color:inherit;background:#fff;font:inherit}.conversation-transcript,.conversation-empty,.conversation-error,.technical-evidence{padding:1.25rem;border:1px solid var(--teacher-line, #d8d7c9);border-radius:.75rem;background:#fff;color:#20201e;box-shadow:0 14px 38px #20201e0d}.conversation-transcript__heading{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1.25rem}.conversation-transcript__heading h2,.conversation-empty h2,.conversation-error h2{margin:.2rem 0 0}.conversation-transcript__state,.conversation-message__status{display:inline-flex;width:fit-content;padding:.3rem .55rem;border-radius:999px;color:#65420c;background:#fff1c7;font-size:.875rem;font-weight:700}.conversation-transcript__state--complete,.conversation-message__status--complete{color:#174a3e;background:#dcefe7}.conversation-transcript__messages{display:grid;gap:1rem;margin:0;padding:0;list-style:none}.conversation-turn{display:grid;gap:1rem}.conversation-message{display:grid;gap:.55rem;max-width:min(78%,46rem);padding:.9rem 1rem;border-radius:.75rem}.student-evidence-page .conversation-message p{margin:0;color:#20201e;overflow-wrap:anywhere;white-space:pre-wrap}.conversation-message--tutor{justify-self:start;border:1px solid #e1e3df;background:#f3f5f3}.conversation-message--student{justify-self:end;border:1px solid #cfe1dc;background:#eaf3f0}.conversation-message__meta{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;color:#5f625f;font-size:.85rem}.technical-evidence__content{display:grid;gap:1.25rem;margin-top:1rem}.conversation-error button{min-height:44px}@media (max-width: 640px){.conversation-transcript__heading{display:grid}.conversation-message{max-width:92%}}.teacher-workspace-shell{--canvas: #f7f5f1;--surface: #ffffff;--ink: #20201e;--muted: #5f625f;--accent: #155e52;--line: #d9ddd7;--danger: #a33a2b;--success: #1f6b54;--teacher-ink: #20201e;--teacher-muted: #5f625f;--teacher-line: #d9ddd7;--teacher-paper: #ffffff;--teacher-accent: #155e52;--teacher-focus: #155e52;min-height:100vh;color:var(--teacher-ink);background:var(--canvas)}.teacher-workspace-shell__header{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:minmax(0,1fr) auto;min-height:4.5rem;align-items:center;gap:clamp(1rem,3vw,2.5rem);padding:.65rem clamp(1rem,4vw,3rem);border-bottom:1px solid var(--teacher-line);background:color-mix(in srgb,#fff 94%,transparent);box-shadow:0 8px 24px #20201e0d;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.teacher-workspace-shell__brand{color:var(--teacher-ink);font-size:1rem;font-weight:850;letter-spacing:-.02em;text-decoration:none;line-height:1.2}.teacher-workspace-shell__account{display:flex;align-items:center;gap:.8rem}.teacher-workspace-shell__account span{max-width:10rem;overflow:hidden;color:var(--teacher-muted);font-size:.82rem;text-overflow:ellipsis;white-space:nowrap}.teacher-workspace-shell__content,.teacher-workspace-shell__main{min-width:0}.teacher-workspace-shell__error{margin:0;padding:.75rem clamp(1rem,4vw,3rem);border-bottom:1px solid #efc5bc;color:var(--danger);background:#fff0ed;text-align:right}.teacher-workspace-shell :is(h1,h2,h3,h4,strong,label,dt,dd){color:var(--teacher-ink)}.teacher-workspace-shell p{color:var(--teacher-muted)}.teacher-workspace-shell .eyebrow{color:#a85214}.teacher-workspace-shell :is(input,textarea,select){border-color:#b9bdb7;color:var(--teacher-ink);background:#fff}.teacher-workspace-shell :is(input,textarea,select)::placeholder{color:#737873}.teacher-workspace-shell button{border-color:var(--teacher-accent);color:#fff;background:var(--teacher-accent)}.teacher-workspace-shell .button-secondary{border-color:#b9bdb7;color:var(--teacher-ink);background:#fff}.teacher-workspace-shell .button-secondary:hover{border-color:var(--teacher-accent);color:var(--teacher-accent)}.teacher-workspace-shell :is(a,button,input,textarea,select,summary):focus-visible{outline:3px solid var(--teacher-focus);outline-offset:3px}.teacher-workspace-shell .roster-import-page{color:var(--teacher-ink);background:var(--canvas)}.teacher-workspace-shell .roster-import-page .teacher-panel{border-color:var(--teacher-line);border-radius:.75rem;background:#fff;box-shadow:0 18px 48px #20201e0f;overflow:hidden}.teacher-workspace-shell .roster-errors{color:var(--danger);background:#fff0ed}.teacher-workspace-shell .credentials-table code{color:var(--teacher-ink)}.teacher-workspace-shell .file-picker input[type=file]::file-selector-button{color:#fff;background:var(--teacher-accent)}.teacher-page-header{width:min(76rem,100%);margin-inline:auto;padding:clamp(1.5rem,4vw,3.25rem) clamp(1rem,4vw,3rem) 0}.teacher-page-header__breadcrumbs ol{display:flex;flex-wrap:wrap;gap:.45rem;margin:0;padding:0;color:var(--teacher-muted);font-size:.8rem;list-style:none}.teacher-page-header__breadcrumbs li+li:before{content:"/";margin-right:.45rem;color:#8a8e89}.teacher-page-header__breadcrumbs a{color:var(--teacher-accent);font-weight:700;text-underline-offset:.2em}.teacher-page-header__content{display:flex;align-items:end;justify-content:space-between;gap:2rem;padding:1rem 0 1.4rem}.teacher-page-header__content h1{margin:.2rem 0 .55rem;color:var(--teacher-ink);font-size:clamp(2rem,5vw,4.2rem);line-height:1.05;letter-spacing:-.055em}.teacher-page-header__content p:not(.eyebrow){max-width:48rem;margin:0;color:var(--teacher-muted)}.teacher-page-header__actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:.65rem}.teacher-management-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.65rem;width:min(100%,48rem)}.teacher-management-nav>a,.teacher-management-nav__disabled{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:.65rem .9rem;border:1px solid var(--teacher-accent);border-radius:.45rem;color:var(--teacher-accent);font-weight:800;text-decoration:none}.teacher-management-nav a:hover{color:#fff;background:var(--teacher-accent)}.teacher-management-nav__disabled{border-color:#b8c2bf;color:#69736f;cursor:not-allowed}.teacher-management-nav__reason{grid-column:1 / -1;margin:0;color:var(--teacher-muted);font-size:.9rem;text-align:right}.teacher-home .teacher-page-header h1{max-width:15ch;font-size:clamp(2rem,4vw,3.5rem);line-height:1.08;letter-spacing:-.04em}@media (max-width: 800px){.teacher-workspace-shell__header{grid-template-columns:minmax(0,1fr) auto;min-height:4rem;gap:.6rem}.teacher-workspace-shell__account span{display:none}.teacher-workspace-shell__account button{min-height:2.5rem;padding-inline:.75rem}.teacher-page-header__content{align-items:flex-start;flex-direction:column;gap:1rem}.teacher-page-header__actions{width:100%;justify-content:flex-start}.teacher-management-nav{width:100%}.teacher-management-nav__reason{text-align:left}}@media (max-width: 480px){.teacher-management-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.teacher-workspace-shell__brand{max-width:12rem;font-size:.86rem}.teacher-workspace-shell__header{padding-inline:.8rem}.teacher-workspace-shell__account button{font-size:.8rem}}.reviewer-replay{color:var(--student-ink);background:var(--student-paper)}.reviewer-replay .student-learning-header__back span{white-space:nowrap}.reviewer-replay .student-learning-header__bar{min-height:82px;height:auto;grid-template-columns:auto minmax(0,.72fr) minmax(19rem,1.5fr) minmax(0,.72fr) auto}.reviewer-replay__task-overview{display:flex;min-width:0;align-items:center;gap:clamp(.7rem,1.2vw,1rem)}.reviewer-replay__task-overview .student-learning-header__task{min-width:8.5rem;flex:0 1 auto}.reviewer-replay__progress-entry{display:grid;min-width:max-content;gap:.2rem}.reviewer-replay__progress-trigger{position:relative;display:inline-flex;min-height:42px;align-items:center;justify-content:center;gap:.42rem;overflow:hidden;padding:.48rem .5rem .48rem .9rem;border:1px solid #2d6b5f;border-radius:.72rem;background:#fffdf7;box-shadow:0 .24rem .65rem #173d3512;color:var(--student-ink);font:inherit;font-size:.78rem;font-weight:850;cursor:pointer;transition:border-color .15s ease,background .15s ease,box-shadow .15s ease,transform .15s ease;white-space:nowrap}.reviewer-replay__progress-trigger:before{position:absolute;inset:.38rem auto .38rem 0;width:3px;border-radius:0 3px 3px 0;background:#b34f19;content:""}.reviewer-replay__progress-label{line-height:1.15}.reviewer-replay__progress-arrow{color:#2d6b5f;font-size:.92rem;line-height:1;transition:transform .15s ease}.reviewer-replay__progress-badge{padding:.24rem .48rem;border:1px solid #c7dbd2;border-radius:999px;background:#edf5ef;color:#1b554a;font-size:.68rem;line-height:1}.reviewer-replay__progress-trigger:is(:hover,:focus-visible){border-color:#184f44;background:#f8fbf8;box-shadow:0 .38rem .9rem #173d3520;transform:translateY(-1px)}.reviewer-replay__progress-trigger:is(:hover,:focus-visible) .reviewer-replay__progress-arrow{transform:translate(2px)}.reviewer-replay__progress-trigger:active{box-shadow:0 .12rem .35rem #173d3514;transform:translateY(0)}.reviewer-replay__progress-trigger[aria-expanded=true]{background:#f3f8f4}.reviewer-replay__progress-entry small{color:var(--student-muted);font-size:.66rem;line-height:1.25;white-space:nowrap}.reviewer-replay .student-learning-header__actions{justify-content:flex-end}.reviewer-replay .student-workbench__task--with-test{grid-template-rows:minmax(0,1fr)}.reviewer-replay .task-conversation__shell--dialogue{display:grid;grid-template-rows:minmax(0,1fr) auto}.reviewer-replay__dialogue{display:grid;grid-template-rows:auto minmax(0,1fr);min-width:0;min-height:0;overflow:hidden}.reviewer-replay__dialogue .dialogue-transcript-shell{grid-row:auto}.reviewer-replay__materials{display:grid;gap:.9rem}.reviewer-replay__materials--2{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}.reviewer-replay__material{min-width:0;margin:0}.reviewer-replay__material img{width:100%;max-height:min(62vh,720px);object-fit:contain;border:1px solid var(--student-line);border-radius:.45rem;background:#fff}.reviewer-replay__material figcaption{margin-top:.45rem;color:var(--student-muted);font-size:.8rem;line-height:1.5;text-align:center}.reviewer-replay__highlighted-material{display:grid;gap:.8rem;margin-top:1rem;padding:clamp(1rem,2.2vw,1.4rem);border:1px solid #e3ca72;border-left:4px solid #c58d12;border-radius:.55rem;background:#fff9df;box-shadow:0 .55rem 1.3rem #5f46100d}.reviewer-replay__highlighted-heading{display:flex;align-items:center;gap:.7rem}.reviewer-replay__highlighted-heading>span{display:inline-flex;min-width:2.8rem;min-height:2.8rem;align-items:center;justify-content:center;border-radius:50%;background:#f7df83;color:#684c00;font-size:.72rem;font-weight:900}.reviewer-replay__highlighted-heading :is(p,strong){margin:0}.reviewer-replay__highlighted-heading strong{color:var(--student-ink);font-size:.95rem}.reviewer-replay__highlighted-material .safe-markdown__table{margin:0}.reviewer-replay__highlighted-material blockquote{margin-bottom:0}.reviewer-replay .student-workbench__progress-backdrop{padding:0;border:0}.reviewer-replay__step--active{border-left:3px solid var(--student-orange)!important;background:var(--student-pale-orange)}.reviewer-replay__gate-action{grid-column:1;justify-self:start;min-height:36px;margin-top:.25rem;padding:.38rem .65rem;border:1px solid var(--student-line);border-radius:999px;background:#fffdf7!important;color:var(--student-orange)!important;font:inherit;font-size:.76rem;font-weight:800}.reviewer-replay .student-workbench__test-entry-action{font:inherit;cursor:pointer}.reviewer-replay__test-scroll{height:100%;overflow-y:auto;overscroll-behavior:contain}.reviewer-replay__test-scroll .chapter-test-page{min-height:100%}.reviewer-replay__test-back{min-height:44px;padding:0;border:0;background:transparent;color:var(--test-ink);font:inherit;font-weight:750;cursor:pointer}.reviewer-replay__submission-flow{display:grid;gap:.65rem;padding:clamp(1.25rem,4vw,2rem)}.reviewer-replay__submission-flow :is(h2,p,ol){margin:0}.reviewer-replay__submission-flow ol{display:grid;gap:.65rem;padding-left:1.4rem}.reviewer-replay__submission-flow li{color:var(--test-muted);line-height:1.65}.reviewer-replay__progress-help{max-width:18rem;margin:.35rem 0 0;color:var(--student-muted);font-size:.76rem;line-height:1.5}.reviewer-replay-not-found{display:grid;place-items:center}.reviewer-replay-not-found>section{width:min(100% - 2rem,36rem);padding:clamp(1.5rem,5vw,3rem);border:1px solid var(--student-line);background:var(--student-card);box-shadow:0 .8rem 2.2rem #35220d12}.reviewer-replay-not-found a{color:var(--student-orange);font-weight:800}@media (max-width: 1100px){.reviewer-replay .student-learning-header__bar{grid-template-columns:auto minmax(0,1.45fr) minmax(0,.55fr) auto}.reviewer-replay .student-learning-header__chapter{display:none}}@media (max-width: 759px){.reviewer-replay .student-learning-header__bar{min-height:0;grid-template-areas:"back overview" "goal goal";grid-template-columns:auto minmax(0,1fr);gap:.55rem .7rem;padding-block:.65rem}.reviewer-replay .student-learning-header__back{grid-area:back;align-self:start}.reviewer-replay__task-overview{grid-area:overview;display:grid;gap:.4rem}.reviewer-replay__task-overview .student-learning-header__task{grid-area:auto;min-width:0}.reviewer-replay__progress-entry{min-width:0;justify-items:start}.reviewer-replay__progress-entry small{display:none}.reviewer-replay__progress-trigger{min-height:38px;padding-block:.42rem;padding-left:.78rem}.reviewer-replay .student-learning-header__goal{grid-area:goal}.reviewer-replay .student-learning-header__actions,.reviewer-replay .student-learning-header__back span{display:none}.reviewer-replay__materials--2{grid-template-columns:minmax(0,1fr)}.reviewer-replay__dialogue .dialogue-workspace__header{min-height:62px}.reviewer-replay__dialogue .dialogue-workspace__goal{display:none}.reviewer-replay__dialogue .dialogue-message--student{max-width:88%}}@media (prefers-reduced-motion: reduce){.reviewer-replay *,.reviewer-replay *:before,.reviewer-replay *:after{scroll-behavior:auto!important;transition:none!important}}:root{color:#f8eee2;background:#1c1816;font-family:Noto Sans SC,PingFang SC,system-ui,sans-serif;font-synthesis:none;--canvas: #1c1816;--surface: #29221f;--ink: #f8eee2;--muted: #cbbcaf;--accent: #f2a65a;--danger: #ffb4a8;--success: #b8dfc6;--line: #5e4e45}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--canvas);color:var(--ink)}button,input,select,textarea{font:inherit}button{border:0;border-radius:.5rem;background:var(--accent);color:#25170d;cursor:pointer;font-weight:700;min-height:2.75rem;padding:.65rem 1rem}button:disabled{cursor:not-allowed;opacity:.55}input,textarea{width:100%;min-height:2.75rem;border:1px solid var(--line);border-radius:.4rem;background:#171311;color:var(--ink);padding:.65rem .75rem}textarea{min-height:8rem;resize:vertical}select{min-height:2.75rem;border:1px solid var(--line);border-radius:.4rem;background:#171311;color:var(--ink);padding:.55rem 2.2rem .55rem .7rem}input:focus-visible,textarea:focus-visible,button:focus-visible,select:focus-visible{outline:3px solid #fff4a3;outline-offset:3px}a:focus-visible{outline:3px solid #fff4a3;outline-offset:3px}.preview-banner{position:sticky;top:0;z-index:20;padding:.7rem clamp(1rem,4vw,3rem);border-bottom:1px solid #d39349;background:#4a2d17;color:#fff4d6;font-size:.86rem;font-weight:750;line-height:1.5;text-align:center}.session-bar{display:flex;min-height:3.5rem;align-items:center;justify-content:flex-end;gap:1rem;padding:.45rem clamp(1rem,4vw,3rem);border-bottom:1px solid var(--line);background:var(--surface)}.session-bar span{color:var(--muted);font-size:.86rem}.session-bar button{min-height:2.75rem;padding-block:.4rem}.session-bar__error{margin:0;padding:.7rem clamp(1rem,4vw,3rem);background:#3a2522;color:var(--danger);text-align:right}.auth-page,.placeholder-page{display:grid;min-height:100vh;padding:1.5rem;place-items:center}.auth-card,.placeholder-page>*{width:min(100%,34rem)}.auth-card{border:1px solid var(--line);border-radius:.75rem;background:var(--surface);box-shadow:0 1rem 3rem #0005;padding:clamp(1.5rem,4vw,3rem)}h1{font-size:clamp(2rem,8vw,3.25rem);line-height:1.15;margin:.25rem 0 1rem}p{color:var(--muted);line-height:1.65}.eyebrow{color:var(--accent);font-size:.9rem;font-weight:700;letter-spacing:.08em;margin:0}form{display:grid;gap:.55rem;margin-top:1.75rem}form label{font-weight:700;margin-top:.65rem}.error-summary{border-left:4px solid var(--danger);color:var(--danger);font-weight:700;margin-top:1rem;padding:.75rem 1rem}.placeholder-page{align-content:center;justify-items:center;text-align:center}.route-error-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:.75rem}.route-error-actions a{display:inline-flex;align-items:center;justify-content:center;min-height:2.75rem;padding:.65rem 1rem;text-decoration:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;margin:-1px;padding:0;border:0;clip:rect(0,0,0,0);white-space:nowrap}.student-home{min-height:100vh;padding:clamp(1rem,4vw,3rem)}.student-home__shell{width:min(100%,72rem);margin:0 auto}.student-home__hero{display:grid;gap:clamp(1.5rem,4vw,3rem);align-items:end;padding:clamp(1.25rem,4vw,2.75rem) 0 clamp(2rem,5vw,4rem)}.student-home__title{min-width:0}.student-home__title h1{max-width:14ch}.student-home__title>p:not(.eyebrow){max-width:40rem;margin-bottom:.75rem}.student-home__version{color:var(--muted);font-size:.8rem;letter-spacing:.04em}.overall-progress{padding:1.25rem;border:1px solid var(--line);background:var(--surface);box-shadow:0 1rem 3rem #0003}.overall-progress>div:first-child{display:flex;align-items:baseline;justify-content:space-between;gap:1rem}.overall-progress p{margin:0;font-size:.82rem}.overall-progress strong{color:var(--accent);font-size:clamp(1.8rem,7vw,2.6rem)}.overall-progress__track{height:.55rem;overflow:hidden;margin:.8rem 0;background:#171311}.overall-progress__track>span{display:block;width:var(--progress-percent);height:100%;background:var(--accent)}.student-home__content{display:grid;gap:1.25rem;align-items:start}.five-step-map,.continue-learning-card{border:1px solid var(--line);background:var(--surface);box-shadow:0 1rem 3rem #0003}.five-step-map__heading{display:grid;gap:.75rem;padding:clamp(1.25rem,3vw,2rem);border-bottom:1px solid var(--line)}.five-step-map__heading h2{margin:.2rem 0 0;font-size:clamp(1.45rem,5vw,2rem)}.five-step-map__heading>p{max-width:36rem;margin:0;font-size:.9rem}.five-step-map__list{display:grid;margin:0;padding:0;list-style:none}.five-step{display:grid;grid-template-columns:4rem minmax(0,1fr);gap:1rem;align-items:center;min-width:0;padding:1.15rem clamp(1.25rem,3vw,2rem);border-bottom:1px solid var(--line)}.five-step:last-child{border-bottom:0}.five-step__number{color:var(--muted);font-size:.78rem;font-weight:700;white-space:nowrap}.five-step__content{display:flex;min-width:0;align-items:center;justify-content:space-between;gap:1rem}.five-step h3{min-width:0;margin:0;font-size:clamp(.95rem,3vw,1.08rem);line-height:1.55;overflow-wrap:anywhere}.five-step__status{display:inline-flex;flex:0 0 auto;align-items:center;gap:.4rem;color:var(--muted);font-size:.78rem;font-weight:700;white-space:nowrap}.five-step--completed .five-step__status{color:var(--success)}.five-step--in-progress{border-left:4px solid var(--accent);background:#352820}.five-step--in-progress .five-step__number,.five-step--in-progress .five-step__status{color:var(--accent)}.five-step--not-started h3{color:#d1c5ba}.continue-learning-card{position:sticky;top:1.5rem;padding:clamp(1.4rem,4vw,2.1rem)}.continue-learning-card h2{margin:.65rem 0 .8rem;font-size:clamp(1.35rem,5vw,1.8rem);line-height:1.35}.continue-learning-card>p:not(.eyebrow){margin-bottom:1.5rem}.continue-learning-card__action{display:inline-flex;min-height:2.9rem;align-items:center;justify-content:center;gap:.75rem;padding:.75rem 1.1rem;background:var(--accent);color:#25170d;font-weight:800;text-decoration:none}.continue-learning-card__action:hover{background:#ffbd77}.preview-completion-card{border-color:var(--success);background:#183127}.task-conversation{min-height:100vh;padding:clamp(1rem,4vw,3rem)}.task-conversation__shell{width:min(100%,52rem);margin:0 auto}.task-conversation__hero{padding:clamp(1.25rem,4vw,2.75rem) 0 1.5rem}.task-conversation__hero h1{max-width:18ch}.task-conversation__hero>p:not(.eyebrow){max-width:48rem}.conversation-panel,.hint-card{border:1px solid var(--line);background:var(--surface);box-shadow:0 1rem 3rem #0003}.conversation-panel{display:grid;gap:.8rem;padding:clamp(1.25rem,4vw,2rem)}.conversation-panel h2{margin:0;font-size:clamp(1.35rem,5vw,1.85rem)}.conversation-panel__messages{display:grid;gap:.8rem}.conversation-panel__messages>:is(p,ul,ol){margin:0}.conversation-panel__messages a,.hint-card a{color:var(--accent);text-underline-offset:.2em}.conversation-history{display:grid;gap:.85rem;padding:1rem;border:1px solid var(--line);background:#171311}.conversation-history>h3{margin:0;font-size:1rem}.conversation-history__turn{display:grid;gap:.7rem;padding:1rem;border-left:3px solid var(--accent);background:var(--surface);overflow-wrap:anywhere}.conversation-history__turn>:is(p,time){margin:0}.conversation-history__turn time{color:var(--muted);font-size:.78rem}.conversation-panel__state{margin:0;color:var(--accent);font-size:.86rem;font-weight:700}.task-completion{display:grid;gap:.7rem;margin:.35rem 0;padding:1rem 1.1rem;border:1px solid var(--success);background:#183127}.task-completion h3,.task-completion p{margin:0}.task-completion h3{font-size:1.2rem}.task-completion .continue-learning-card__action{justify-self:start;margin-top:.3rem}.conversation-panel>label{margin-top:.35rem;font-weight:700}.conversation-panel>#answer-help{margin:-.25rem 0 0;font-size:.82rem}.conversation-panel__actions{display:flex;flex-wrap:wrap;gap:.75rem}.hint-card{margin-top:.6rem;padding:1rem 1.1rem}.hint-card>p{margin:.35rem 0}@media (min-width: 760px){.student-home__hero{grid-template-columns:minmax(0,1fr) minmax(15rem,19rem)}.student-home__content{grid-template-columns:minmax(0,1.65fr) minmax(15rem,.8fr)}.five-step-map__heading{grid-template-columns:minmax(12rem,.7fr) minmax(16rem,1fr);align-items:end}}@media (max-width: 420px){.student-home{padding-inline:1rem}.five-step{grid-template-columns:1fr;gap:.55rem}.five-step__content{align-items:flex-start}.continue-learning-card{position:static}.continue-learning-card__action{width:100%}}.teacher-dashboard,.roster-import-page{min-height:100vh;padding:clamp(1rem,4vw,3rem)}.teacher-dashboard__shell,.roster-import-page__shell{width:min(100%,76rem);margin:0 auto}.teacher-dashboard__hero{display:flex;align-items:end;justify-content:space-between;gap:2rem;padding:clamp(1.25rem,4vw,2.75rem) 0}.teacher-dashboard__hero h1,.roster-import-page__hero h1{max-width:15ch}.teacher-dashboard__hero p:not(.eyebrow),.roster-import-page__hero p:not(.eyebrow){max-width:44rem;margin-bottom:0}.teacher-dashboard__import,.back-link,.table-detail-link{color:var(--accent);font-weight:750;text-underline-offset:.22em}.teacher-dashboard__import{display:inline-flex;min-height:2.75rem;flex:0 0 auto;align-items:center;padding:.65rem 1rem;border:1px solid var(--accent);text-decoration:none}.teacher-dashboard__import:hover{background:var(--accent);color:#25170d}.teacher-panel{margin-bottom:1.25rem;border:1px solid var(--line);background:var(--surface);box-shadow:0 1rem 3rem #0003}.teacher-panel__heading{display:flex;align-items:end;justify-content:space-between;gap:1.5rem;padding:clamp(1.2rem,3vw,2rem);border-bottom:1px solid var(--line)}.teacher-panel__heading h2{margin:.25rem 0 0;font-size:clamp(1.35rem,4vw,2rem)}.teacher-panel__heading>p{max-width:34rem;margin:0;font-size:.86rem}.class-overview__totals-scroll{min-width:0;max-width:100%;overflow-x:auto}.class-overview__totals-scroll:focus-visible{outline:3px solid #fff4a3;outline-offset:-3px}.class-overview__totals{display:flex;margin:0}.class-overview__totals div{min-width:7rem;padding-left:1.25rem;border-left:1px solid var(--line)}.class-overview__totals dt{color:var(--muted);font-size:.75rem}.class-overview__totals dd{margin:.2rem 0 0}.class-overview__totals strong{color:var(--accent);font-size:1.8rem}.step-completion{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));margin:0;padding:0;list-style:none}.step-completion li{display:grid;min-width:0;min-height:10rem;align-content:space-between;gap:.75rem;padding:1.25rem;border-right:1px solid var(--line)}.step-completion li:last-child{border-right:0}.step-completion__number{color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:.08em}.step-completion__title{font-weight:750;line-height:1.5}.step-completion__count{color:var(--muted);font-size:.82rem}.roster-panel__heading{align-items:end}.teacher-filters{display:flex;flex-wrap:wrap;gap:.75rem}.teacher-filters label{display:grid;gap:.35rem;color:var(--muted);font-size:.75rem;font-weight:700}.teacher-filters select{min-width:10rem}.student-table-scroll{max-width:100%;overflow-x:auto}.teacher-dashboard :is(.class-overview__totals-scroll,.student-table-scroll){contain:layout}.teacher-workspace-shell__main>.student-evidence-page{width:min(100%,78rem);min-width:0;max-width:100%}.teacher-workspace-shell__main>.student-evidence-page>*{min-width:0;max-width:100%}.student-table-scroll:focus-visible{outline:3px solid #fff4a3;outline-offset:-3px}.student-table{width:100%;min-width:58rem;border-collapse:collapse;text-align:left}.student-table th,.student-table td{padding:1rem 1.15rem;border-bottom:1px solid var(--line);vertical-align:middle}.student-table thead th{color:var(--muted);font-size:.72rem;letter-spacing:.04em;text-transform:uppercase}.student-table tbody tr:last-child>*{border-bottom:0}.student-table tbody tr:hover{background:#352c27}.student-table__name,.student-table__step,.student-table__secondary{display:block}.student-table__name{color:var(--ink)}.student-table__secondary{max-width:18rem;margin-top:.25rem;color:var(--muted);font-size:.76rem;font-weight:400;line-height:1.4}.mastery-state{display:inline-flex;padding:.28rem .5rem;border:1px solid var(--line);color:var(--success);font-size:.76rem;font-weight:700;white-space:nowrap}.student-table__empty{margin:0;padding:2rem;text-align:center}.teacher-class-list,.review-queue{display:grid;gap:0;margin:0;padding:0;list-style:none}.teacher-class-list li,.review-queue li{padding:1rem 1.25rem;border-top:1px solid var(--line)}.teacher-class-list h3{margin:0 0 .35rem}.teacher-class-list p{margin:0;color:var(--muted)}.review-queue li{display:flex;align-items:center;justify-content:space-between;gap:1rem}.review-queue li div{display:grid;gap:.25rem}.review-queue li span{color:var(--muted);font-size:.8rem}.student-evidence-page{width:min(100% - 2rem,78rem);margin:0 auto;padding:clamp(1.5rem,4vw,4rem) 0}.student-evidence-page .teacher-dashboard__hero{flex-wrap:wrap}.student-evidence-summary{min-width:0;max-width:100%;overflow-wrap:anywhere}.evidence-chain{display:grid;gap:1.5rem}.evidence-attempt{min-width:0;max-width:100%;border:1px solid var(--line);background:var(--surface);overflow-wrap:anywhere}.evidence-attempt>header,.evidence-attempt>section{padding:clamp(1rem,3vw,1.5rem)}.evidence-attempt>section{border-top:1px solid var(--line)}.evidence-attempt h2,.evidence-attempt h3,.evidence-attempt h4{margin-top:0}.evidence-attempt ul{padding-left:1.25rem}.evidence-facts,.evidence-history-item{min-width:0;overflow-wrap:anywhere}.evidence-facts{color:var(--muted);font-size:.82rem}.evidence-facts p,.evidence-history-item p{margin-block:.35rem}.evidence-raw-answer{white-space:pre-wrap;overflow-wrap:anywhere}.roster-import-page__shell{width:min(100%,68rem)}.back-link{display:inline-flex;margin:.5rem 0 2rem}.back-link[aria-disabled=true]{color:var(--muted);cursor:not-allowed;text-decoration:none}.roster-import-page__hero{padding-bottom:clamp(1.75rem,4vw,3rem)}.roster-upload__hint{text-align:right}.file-picker{display:grid;gap:.6rem;margin:clamp(1.2rem,3vw,2rem);font-weight:750}.file-picker input[type=file]{padding:.45rem}.file-picker input[type=file]::file-selector-button{min-height:2.2rem;margin-right:.8rem;border:0;background:var(--accent);color:#25170d;font:inherit;font-weight:750;cursor:pointer}.status-message{margin:0 clamp(1.2rem,3vw,2rem) 1.5rem;font-size:.82rem}.roster-upload .error-summary{margin-inline:clamp(1.2rem,3vw,2rem)}.preview-state{flex:0 1 23rem;text-align:right}.preview-state--valid{color:var(--success)}.preview-state--invalid{color:var(--danger)}.roster-preview__table{min-width:34rem}.roster-preview__empty{margin:0;padding:2rem;text-align:center}.roster-errors{margin:1.25rem;padding:1rem 1.25rem;border-left:4px solid var(--danger);background:#3a2522}.roster-errors h3{margin:0 0 .65rem;font-size:1rem}.roster-errors ul{display:grid;gap:.4rem;margin:0;padding-left:1.2rem;color:var(--danger)}.atomic-import{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:1.25rem clamp(1.2rem,3vw,2rem);border-top:1px solid var(--line)}.atomic-import p{margin:.2rem 0 0;font-size:.8rem}.atomic-import button{flex:0 0 auto}.completion-message{padding:.8rem 1rem;border-left:4px solid var(--success);background:var(--surface);color:var(--success);font-weight:750}.credentials-panel{border-color:var(--accent)}.credentials-table{min-width:30rem}.credentials-table code{color:#fff4a3;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9rem}.credential-actions{display:flex;justify-content:flex-end;gap:.75rem;padding:1.25rem;border-top:1px solid var(--line)}.discard-confirmation{display:flex;flex:1;align-items:center;justify-content:flex-end;gap:.75rem}.discard-confirmation p{margin:0 auto 0 0;color:var(--danger);font-weight:700}.button-secondary{border:1px solid var(--line);background:transparent;color:var(--ink)}.button-secondary:hover{border-color:var(--accent);color:var(--accent)}@media (max-width: 820px){.step-completion{grid-template-columns:1fr}.step-completion li{min-height:0;grid-template-columns:2.5rem minmax(0,1fr) auto;align-items:center;border-right:0;border-bottom:1px solid var(--line)}.step-completion li:last-child{border-bottom:0}.teacher-dashboard__hero,.teacher-panel__heading{align-items:flex-start;flex-direction:column}.roster-upload__hint,.preview-state{text-align:left}.review-queue li{align-items:flex-start;flex-direction:column}}@media (max-width: 560px){.teacher-dashboard__import{width:100%;justify-content:center}.class-overview__totals-scroll,.class-overview__totals{width:100%}.class-overview__totals div{flex:1}.class-overview__totals div:first-child{padding-left:0;border-left:0}.step-completion li{grid-template-columns:2rem minmax(0,1fr)}.step-completion__count{grid-column:2}.teacher-filters,.teacher-filters label,.teacher-filters select{width:100%}.atomic-import,.credential-actions,.discard-confirmation{align-items:stretch;flex-direction:column}.atomic-import button,.credential-actions button{width:100%}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}.safe-markdown__mark{padding:.04em .18em;border-radius:.18em;background:#f7df83;color:inherit;box-decoration-break:clone;-webkit-box-decoration-break:clone}
