@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size3-Regular-gV2CO0n9.woff2)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.18.5"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--color-bg:oklch(97.5% .006 90);--color-surface:oklch(99.5% .002 90);--color-surface-2:oklch(95.5% .007 90);--color-text:oklch(25% .015 160);--color-text-2:oklch(52% .014 160);--color-accent:oklch(45% .09 165);--color-why:oklch(47% .12 250);--color-how:oklch(45% .1 155);--color-sowhat:oklch(49% .15 25);--color-warn:oklch(52% .1 75);--radius-control:.625rem}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.collapse{visibility:collapse}.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.fixed{position:fixed}.static{position:static}.container{width:100%}@media (width>=40rem){.container{max-width:40rem}}@media (width>=48rem){.container{max-width:48rem}}@media (width>=64rem){.container{max-width:64rem}}@media (width>=80rem){.container{max-width:80rem}}@media (width>=96rem){.container{max-width:96rem}}.\!inline{display:inline!important}.block{display:block}.grid{display:grid}.hidden{display:none}.inline{display:inline}.table{display:table}.grow{flex-grow:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.resize{resize:both}.rounded{border-radius:.25rem}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--font-sans:-apple-system, BlinkMacSystemFont, "SF Pro Text", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", system-ui, sans-serif;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--text-xs:.75rem;--text-sm:.8125rem;--text-base:.9375rem;--text-md:1.0625rem;--text-lg:1.25rem;--text-xl:1.375rem;--text-2xl:1.75rem;--text-title:clamp(1.625rem, 3vw, 2.125rem);--line-normal:1.6;--line-reading:1.7;--line-tight:1.3;--weight-medium:500;--weight-semibold:600;--weight-bold:700;--touch:3rem;--control-height:3rem;--topbar-height:3rem;--page-width:75rem;--form-width:46rem;--text-width:58ch;--control-max:24rem;--survey-height:24rem;--border-width:1px;--focus-width:3px;--focus-offset:3px;--radius-card:1rem;--radius-sheet:1.25rem;--radius-bubble:1.125rem;--radius-pill:999px;--border:#1c241f1f}@supports (color:color-mix(in lab, red, red)){:root{--border:color-mix(in oklch, var(--color-text) 12%, transparent)}}:root{--border-strong:#1c241f38}@supports (color:color-mix(in lab, red, red)){:root{--border-strong:color-mix(in oklch, var(--color-text) 22%, transparent)}}:root{--muted:var(--color-text-2);--accent-soft:#e6eeea}@supports (color:color-mix(in lab, red, red)){:root{--accent-soft:color-mix(in oklch, var(--color-accent) 10%, var(--color-surface))}}:root{--why-soft:#e2eaf0}@supports (color:color-mix(in lab, red, red)){:root{--why-soft:color-mix(in oklch, var(--color-why) 12%, var(--color-surface))}}:root{--how-soft:#e2ebe5}@supports (color:color-mix(in lab, red, red)){:root{--how-soft:color-mix(in oklch, var(--color-how) 12%, var(--color-surface))}}:root{--sowhat-soft:#f3e5e4}@supports (color:color-mix(in lab, red, red)){:root{--sowhat-soft:color-mix(in oklch, var(--color-sowhat) 12%, var(--color-surface))}}:root{--warn-soft:#eee7dc}@supports (color:color-mix(in lab, red, red)){:root{--warn-soft:color-mix(in oklch, var(--color-warn) 14%, var(--color-surface))}}:root{--shadow-dialog:0 12px 40px #1c241f29, 0 1px 3px #1c241f14}@supports (color:color-mix(in lab, red, red)){:root{--shadow-dialog:0 12px 40px color-mix(in oklch, var(--color-text) 16%, transparent), 0 1px 3px color-mix(in oklch, var(--color-text) 8%, transparent)}}:root{--shadow-seg:0 1px 2px #1c241f1f}@supports (color:color-mix(in lab, red, red)){:root{--shadow-seg:0 1px 2px color-mix(in oklch, var(--color-text) 12%, transparent)}}:root{--motion-fast:.1s;--motion-normal:.18s;--motion-skeleton:1.5s;--ease:cubic-bezier(.16,1,.3,1);--disabled-opacity:.6;--layer-menu:20;color:var(--color-text);background:var(--color-bg);font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--line-normal);font-synthesis:none;-webkit-font-smoothing:antialiased}@media (pointer:fine) and (width>=64rem){:root{--control-height:2.5rem}}[data-theme=dark]{--color-bg:oklch(19% .008 160);--color-surface:oklch(24% .008 160);--color-surface-2:oklch(29% .008 160);--color-text:oklch(94% .008 90);--color-text-2:oklch(70% .01 90);--color-accent:oklch(78% .09 165);--color-warn:oklch(80% .1 75);--color-why:oklch(78% .1 250);--color-how:oklch(78% .1 155);--color-sowhat:oklch(78% .1 25);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--shadow-dialog:0 12px 40px #00000080, 0 1px 3px #0006}*{box-sizing:border-box}body{margin:0}a{min-height:var(--touch);color:var(--color-accent);text-underline-offset:var(--space-1);align-items:center;display:inline-flex}button,input,textarea,select{font:inherit}button,select,input:not([type=checkbox]):not([type=radio]),textarea,.button,summary{border:var(--border-width) solid var(--border-strong);border-radius:var(--radius-control);background:var(--color-surface);color:var(--color-text);padding:var(--space-2) var(--space-4)}button,select,.button,summary{min-height:var(--control-height);min-width:var(--control-height);cursor:pointer;transition:background var(--motion-fast), border-color var(--motion-fast)}button:hover,select:hover,.button:hover,summary:hover{border-color:var(--color-accent);background:var(--accent-soft)}button:disabled,fieldset:disabled{opacity:var(--disabled-opacity)}button:disabled{cursor:not-allowed}input,textarea{width:100%;min-height:var(--touch)}input[type=checkbox],input[type=radio]{width:var(--space-5);height:var(--space-5);min-height:auto;accent-color:var(--color-accent);flex-shrink:0}textarea{resize:vertical}:focus-visible{outline:var(--focus-width) solid var(--color-accent);outline-offset:var(--focus-offset)}#main:focus{outline:none}.button{justify-content:center;align-items:center;text-decoration:none;display:inline-flex}.primary{background:var(--color-accent);color:var(--color-bg);border-color:var(--color-accent);font-weight:var(--weight-semibold)}.primary:hover{background:var(--color-text);color:var(--color-bg)}.shell{max-width:var(--page-width);min-height:100dvh;padding-inline:var(--space-5);flex-direction:column;margin:auto;display:flex}.site-header{justify-content:space-between;align-items:center;gap:var(--space-4);padding-block:var(--space-6);border-bottom:var(--border-width) solid var(--border);flex-wrap:wrap;display:flex}.identity{font-size:var(--text-xs);color:var(--color-text);flex-direction:column;text-decoration:none;display:flex}.brand{font-size:var(--text-lg);font-weight:var(--weight-bold);letter-spacing:-.01em}.icon{flex-shrink:0;display:block}.icon-button{justify-content:center;align-items:center;gap:var(--space-2);padding-inline:var(--space-2);display:inline-flex}nav,.preferences,.actions{align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}nav{width:100%}.preferences{flex:1}nav select{padding-inline:var(--space-2);font-size:var(--text-sm);max-width:100%}main{padding-block:var(--space-10);flex:1;min-width:0}.site-header.workspace-header{gap:var(--space-2);min-height:var(--topbar-height);padding-block:var(--space-1);flex-wrap:nowrap}.site-header.workspace-header .identity{display:none}.workspace-slot{align-items:center;gap:var(--space-2);flex:auto;min-width:0;display:flex}.workspace-slot:empty,.menu-toggle{display:none}.site-header.workspace-header>nav{flex-wrap:nowrap;width:auto}.site-header.workspace-header .preferences{flex:none}.site-header.workspace-header .class-bar{flex-direction:row;align-items:center;padding:0}.site-header.workspace-header .class-bar label{font-size:var(--text-sm);color:var(--muted)}.site-header.workspace-header .class-bar select{width:auto;max-width:16rem}.site-header.workspace-header select,.site-header.workspace-header summary,.site-header.workspace-header>nav button,.site-header.workspace-header .class-bar select{background:var(--color-surface-2);font-size:var(--text-sm);border-color:#0000}.site-header.workspace-header summary{list-style:none}.site-header.workspace-header summary::-webkit-details-marker{display:none}@media (width<=63.98rem){.menu-toggle{z-index:calc(var(--layer-menu) + 3);background:0 0;border-color:#0000;justify-content:center;align-items:center;padding:0;display:inline-flex;position:relative}.site-header.workspace-header>nav{z-index:calc(var(--layer-menu) + 2);width:min(20rem, calc(100vw - var(--space-12)));align-items:stretch;gap:var(--space-3);padding:var(--space-6) var(--space-4) max(var(--space-6), env(safe-area-inset-bottom));background:var(--color-surface);border-radius:0 var(--radius-sheet) var(--radius-sheet) 0;box-shadow:var(--shadow-dialog);transition:transform var(--motion-normal) var(--ease);flex-direction:column;position:fixed;inset:0 auto 0 0;overflow-y:auto;transform:translate(-110%)}.site-header.workspace-header.menu-open nav{transform:none}.site-header.workspace-header .menu-backdrop{z-index:calc(var(--layer-menu) + 1);background:#1c241f4d;display:none;position:fixed;inset:0}@supports (color:color-mix(in lab, red, red)){.site-header.workspace-header .menu-backdrop{background:color-mix(in oklch, var(--color-text) 30%, transparent)}}.site-header.workspace-header .menu-backdrop{border:0;border-radius:0;min-height:0;padding:0}.site-header.workspace-header.menu-open .menu-backdrop{display:block}.site-header.workspace-header .preferences,.site-header.workspace-header .class-bar{align-items:stretch;gap:var(--space-3);flex-direction:column}.site-header.workspace-header>nav select,.site-header.workspace-header>nav summary,.site-header.workspace-header>nav>button{width:100%;min-height:var(--touch);font-size:var(--text-base);text-align:start}.site-header.workspace-header .settings-menu>div{box-shadow:none;padding:var(--space-2) 0 0;border:0;position:static}.site-header.workspace-header .menu-title{justify-content:space-between;align-items:center;gap:var(--space-2);font-weight:var(--weight-bold);display:flex}}@media (width>=64rem){.site-header.workspace-header .menu-title,.site-header.workspace-header .menu-backdrop{display:none}}.settings-menu summary{align-items:center;gap:var(--space-1);display:inline-flex}@media (width<=63.98rem){.site-header:not(.workspace-header){gap:var(--space-2);padding-block:var(--space-3);flex-wrap:nowrap}.site-header:not(.workspace-header) .identity{flex:auto;min-width:0}.site-header:not(.workspace-header) .identity>span:not(.brand){display:none}.site-header:not(.workspace-header) .brand{font-size:var(--text-base);white-space:nowrap;text-overflow:ellipsis;display:block;overflow:hidden}.site-header:not(.workspace-header)>nav{gap:var(--space-1);flex-wrap:nowrap;flex:none;width:auto}.site-header:not(.workspace-header) .preferences{gap:var(--space-1);flex-wrap:nowrap;flex:none}.site-header:not(.workspace-header) nav select{min-width:0;max-width:5.5rem;padding-inline:var(--space-2) var(--space-1);font-size:var(--text-xs)}.site-header:not(.workspace-header) nav button,.site-header:not(.workspace-header) nav summary{padding-inline:var(--space-2)}.site-header:not(.workspace-header) .settings-label{display:none}.site-header:not(.workspace-header) .settings-menu>div{right:0}}@media (width<=26rem){.site-header:not(.workspace-header) .brand-rest{display:none}}.shell:has(.workspace-page){max-width:none;padding-inline:var(--space-3)}.shell:has(.workspace-page) main{padding-block:var(--space-3)}footer{border-top:var(--border-width) solid var(--border);color:var(--muted);font-size:var(--text-xs);padding-block:var(--space-6)}h1,h2,p{overflow-wrap:anywhere;margin:0}h1{font-size:var(--text-title);line-height:var(--line-tight);font-weight:var(--weight-semibold);letter-spacing:-.01em;text-wrap:balance}h2{font-size:var(--text-xl);line-height:var(--line-tight);font-weight:var(--weight-semibold)}.stack{gap:var(--space-5);flex-direction:column;display:flex}.narrow,.welcome{max-width:var(--form-width)}.welcome{padding-block:var(--space-6);align-items:flex-start}.eyebrow{font-size:var(--text-sm);font-weight:var(--weight-semibold);color:var(--color-accent)}.lead{font-size:var(--text-lg);max-width:var(--text-width)}.support,small{color:var(--muted);font-size:var(--text-sm)}.block{display:block}.notice{padding:var(--space-4);background:var(--color-surface);border:var(--border-width) solid var(--color-warn);border-radius:var(--radius-control)}.split{justify-content:space-between;align-items:flex-start;gap:var(--space-3);flex-wrap:wrap;display:flex}.consent-page{gap:var(--space-4)}.consent-scroll{position:relative}.consent-text{max-height:min(var(--survey-height), 50dvh);padding:var(--space-5) var(--space-5) var(--space-12);border:var(--border-width) solid var(--border);border-radius:var(--radius-card);background:var(--color-surface);font-size:var(--text-sm);line-height:var(--line-normal);overflow-y:auto}.consent-text p:not(:last-child){margin-bottom:0}.consent-hint{inset-inline:var(--border-width);bottom:var(--border-width);justify-content:flex-end;align-items:center;gap:var(--space-1);padding:var(--space-10) var(--space-4) var(--space-3);border-radius:0 0 var(--radius-card) var(--radius-card);background:linear-gradient(to bottom, transparent, var(--color-surface) 55%);font-size:var(--text-xs);color:var(--muted);pointer-events:none;display:flex;position:absolute}.consent-choice{border-radius:var(--radius-control)}.consent-actions{flex-direction:column;align-items:stretch}.consent-actions .primary{min-height:var(--touch)}.consent-actions button:not(.primary){color:var(--color-accent);background:0 0;border-color:#0000}@media (width>=40rem){.consent-actions{flex-direction:row}.consent-actions .primary{min-height:var(--control-height)}}.choice{gap:var(--space-3);min-height:var(--touch);padding:var(--space-2) var(--space-3);border-radius:var(--radius-control);cursor:pointer;align-items:center;display:flex}.choice:has(input:checked){background:var(--accent-soft)}.class-choice{border:var(--border-width) solid var(--border);border-radius:var(--radius-card);padding:var(--space-5)}.class-choice strong{font-size:var(--text-xl)}dialog{color:var(--color-text);background:var(--color-surface);width:min(calc(100% - var(--space-8)), var(--form-width));padding:var(--space-6);border:var(--border-width) solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-dialog)}dialog>*+*{margin-top:var(--space-5)}dialog::backdrop{background:#1c241f66}@supports (color:color-mix(in lab, red, red)){dialog::backdrop{background:color-mix(in oklch, var(--color-text) 40%, transparent)}}.survey-fields,.survey-item{border:0;min-width:0;margin:0;padding:0}.survey-page{gap:var(--space-3)}.survey-back{align-items:center;gap:var(--space-1);font-size:var(--text-sm);display:inline-flex}.survey-progress{gap:var(--space-1);font-size:var(--text-sm);color:var(--muted);flex-direction:column;display:flex}.survey-draft{font-size:var(--text-xs)}.survey-section{padding-block:var(--space-4)}.survey-section>h2{font-size:var(--text-md)}.survey-section>p{color:var(--muted);font-size:var(--text-sm)}.survey-item{gap:var(--space-2);padding:var(--space-4);background:var(--color-surface);border:var(--border-width) solid var(--border);border-radius:var(--radius-card)}.survey-item legend{width:100%;font-weight:var(--weight-semibold);float:left;padding:0;line-height:1.45;display:block}.survey-item legend+*{clear:both}.survey-item legend small{font-weight:var(--weight-medium);margin-inline-start:var(--space-2);display:inline-block}.survey-item legend small.required{color:var(--color-sowhat)}.survey-item>.support:empty,.survey-item .field-error:empty{display:none}.options{flex-direction:column;gap:0;display:flex}.scale-options{grid-template-columns:repeat(auto-fit, minmax(var(--touch), 1fr));gap:var(--space-2);display:grid}.scale-options .choice{min-height:var(--touch);border:var(--border-width) solid var(--border-strong);border-radius:var(--radius-control);background:var(--color-surface);font-size:var(--text-md);font-weight:var(--weight-medium);justify-content:center;padding:0;position:relative}.scale-options .choice input{opacity:0;cursor:pointer;width:100%;height:100%;margin:0;position:absolute;inset:0}.scale-options .choice:has(input:checked){background:var(--accent-soft);border-color:var(--color-accent);color:var(--color-accent);font-weight:var(--weight-bold)}.scale-options .choice:has(input:focus-visible){outline:var(--focus-width) solid var(--color-accent);outline-offset:var(--focus-offset)}.scale-labels{justify-content:space-between;gap:var(--space-4);font-size:var(--text-xs);color:var(--muted);display:flex}.scale-labels>*{max-width:50%}.field-error{color:var(--color-sowhat);font-size:var(--text-sm)}.survey-submit-bar{z-index:var(--layer-menu);justify-content:flex-end;align-items:center;gap:var(--space-3);margin-inline:calc(-1 * var(--space-5));margin-top:var(--space-4);padding:var(--space-3) var(--space-5) max(var(--space-3), env(safe-area-inset-bottom));background:var(--color-surface);border-top:var(--border-width) solid var(--border);flex-wrap:wrap;display:flex;position:sticky;bottom:0}.survey-submit-bar .field-error{flex-basis:100%}.survey-submit-bar .survey-count{font-size:var(--text-xs);flex:auto}.survey-submit-bar .primary{min-height:var(--touch)}progress{width:100%;height:4px;accent-color:var(--color-accent);border:0;border-radius:2px;overflow:hidden}progress::-webkit-progress-bar{background:var(--color-surface-2)}progress::-webkit-progress-value{background:var(--color-accent);border-radius:2px}.class-bar{padding-top:var(--space-5);align-items:flex-start;gap:var(--space-2);flex-direction:column;display:flex}.class-bar select{width:100%;max-width:100%}.gallery{gap:var(--space-5)}.gallery>div:first-child h1{font-size:var(--text-2xl)}.announcements{gap:var(--space-2)}.announcements:empty{display:none}.banner{align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-3);border-radius:var(--radius-control);background:var(--accent-soft);border:var(--border-width) solid #0e654940;display:flex}@supports (color:color-mix(in lab, red, red)){.banner{border:var(--border-width) solid color-mix(in oklch, var(--color-accent) 25%, transparent)}}.banner{font-size:var(--text-sm)}.banner>p,.banner>span{flex:auto;min-width:0}.banner>span.pill,.banner .pill{background:var(--color-surface);color:var(--color-accent);flex:none}.banner .icon-button{min-width:2rem;min-height:2rem;color:var(--muted);background:0 0;border-color:#0000;flex-shrink:0;padding:0}.banner .icon{flex-shrink:0}.banner.warn,.notice.warn{background:var(--warn-soft);color:var(--color-text);border-color:#0000}.banner.warn .icon{color:var(--color-warn)}.pill{align-items:center;gap:var(--space-1);min-height:1.5rem;padding:0 var(--space-2);border-radius:var(--radius-pill);font-size:var(--text-xs);font-weight:var(--weight-semibold);background:var(--color-surface-2);color:var(--muted);white-space:nowrap;text-decoration:none;display:inline-flex}.pill.done,.pill.on_time{background:var(--how-soft);color:var(--color-how)}.pill.in_progress{background:var(--accent-soft);color:var(--color-accent)}.pill.past_deadline,.pill.late{background:var(--warn-soft);color:var(--color-warn)}.gallery-top{gap:var(--space-3);display:grid}.progress-card,.post-card{gap:var(--space-3);padding:var(--space-4) var(--space-5);border:var(--border-width) solid var(--border);border-radius:var(--radius-card);background:var(--color-surface)}.progress-row{align-items:center;gap:var(--space-4);display:flex}.progress-body{gap:var(--space-1)}.progress-body h2{font-size:var(--text-sm);color:var(--muted)}.score-ring{flex-shrink:0;justify-content:center;align-items:center;display:inline-flex;position:relative}.score-ring.score-pass .ring-value,.score-ring.score-accent .ring-value{stroke:var(--color-how)}.score-ring.score-accent .ring-value{stroke:var(--color-accent)}.progress-card progress{margin-top:var(--space-1)}.survey-chips{gap:var(--space-2);flex-wrap:wrap;display:flex}.survey-chips .survey-pill{min-height:2rem;padding-inline:var(--space-3)}.survey-chips .survey-pill.unfinished,.survey-chips .survey-pill.locked{background:var(--color-surface-2);color:var(--muted)}.post-card .status,.post-card .button{align-self:flex-start}.assignment-list{gap:var(--space-3);display:grid}.assignment-card{gap:var(--space-3);padding:var(--space-4) var(--space-5);border:var(--border-width) solid var(--border);border-radius:var(--radius-card);background:var(--color-surface)}.assignment-card.active{border-color:var(--color-accent);box-shadow:0 0 0 1px var(--color-accent) inset}.assignment-card h2{font-size:var(--text-lg);line-height:1.4}.deadline-line,.opens-at{align-items:center;gap:var(--space-1);font-size:var(--text-xs);display:flex}.deadline-line .icon,.opens-at .icon{flex-shrink:0}.time-left{margin-inline-start:var(--space-1)}.time-left:before{content:"· "}.assignment-card .notice{padding:var(--space-2) var(--space-3);font-size:var(--text-sm)}.assignment-card .actions{margin-top:var(--space-1)}.assignment-card .actions .button{justify-content:center;align-items:center;gap:var(--space-1);font-size:var(--text-sm);flex:1 1 0;display:inline-flex}.task-scores{gap:var(--space-2);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.task-score{padding:var(--space-2) var(--space-3);border-radius:var(--radius-control);font-size:var(--text-xs);font-weight:var(--weight-medium);flex-direction:column;gap:2px;display:flex}.task-score strong{color:var(--color-text);font-size:var(--text-base);font-weight:var(--weight-semibold)}.task-score.why{background:var(--why-soft);color:var(--color-why)}.task-score.how{background:var(--how-soft);color:var(--color-how)}.task-score.sowhat{background:var(--sowhat-soft);color:var(--color-sowhat)}.task-score:not(.scored) strong{color:var(--muted);font-weight:var(--weight-medium);font-size:var(--text-sm)}.why{color:var(--color-why)}.how{color:var(--color-how)}.sowhat{color:var(--color-sowhat)}.status:not(.pill){font-size:var(--text-sm);color:var(--muted)}.done:not(.pill){color:var(--color-how)}.past_deadline:not(.pill){color:var(--color-warn)}.empty{padding-block:var(--space-8)}.settings-menu{font-size:var(--text-sm);position:relative}.settings-menu>div{z-index:var(--layer-menu);min-width:min(var(--control-max), calc(100vw - var(--space-10)));max-width:calc(100vw - var(--space-10));padding:var(--space-4);background:var(--color-surface);border:var(--border-width) solid var(--border);border-radius:var(--radius-control);box-shadow:var(--shadow-dialog);position:absolute;right:0}.settings-menu a{min-height:var(--touch);align-items:center;display:flex}.skeleton-stack{gap:var(--space-5);flex-direction:column;display:flex}.skeleton-stack>div{background:var(--border);height:var(--space-12);border-radius:var(--radius-control);animation:pulse var(--motion-skeleton) ease-in-out infinite alternate}.skeleton-stack>div:last-child{height:var(--space-20)}@keyframes pulse{50%{opacity:.5}}.skip-link{padding:var(--space-3);background:var(--color-surface);z-index:var(--layer-menu);position:absolute;transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}.feedback{opacity:0;transition:opacity var(--motion-fast)}.feedback.latest,.feedback:hover,.feedback:focus-within,article:hover .feedback{opacity:1}.feedback form>*{margin-top:var(--space-3)}[data-theme] .driver-popover{background:var(--color-surface);color:var(--color-text);border-radius:var(--radius-card);font-family:var(--font-sans);padding:var(--space-5);max-width:calc(100vw - var(--space-8))}[data-theme] .driver-popover-title{font:var(--weight-medium) var(--text-lg)/var(--line-tight) var(--font-sans);padding-right:var(--space-12)}[data-theme] .driver-popover-description,[data-theme] .driver-popover-progress-text{font:var(--text-sm)/var(--line-normal) var(--font-sans);color:var(--color-text)}[data-theme] .driver-popover-footer button,[data-theme] .driver-popover-close-btn{min-height:var(--touch);min-width:var(--touch);padding:var(--space-2);font:inherit;background:var(--color-surface);color:var(--color-text);border:var(--border-width) solid var(--border);text-shadow:none;border-radius:var(--radius-control)}[data-theme] .driver-popover-close-btn{top:0;right:0}[data-theme] .driver-popover-footer{gap:var(--space-2);flex-wrap:wrap}@media (hover:none){.feedback{opacity:1}}@media (width>=64rem){.shell{padding-inline:var(--space-10)}nav{width:auto}main{padding-block:var(--space-12)}.class-bar{flex-direction:row;align-items:center}.class-bar select{width:auto;max-width:var(--form-width)}.assignment-list{grid-template-columns:repeat(3,minmax(0,1fr))}.assignment-card .actions{margin-top:auto}.gallery-top{grid-template-columns:minmax(0,1fr) 22rem;align-items:stretch}.gallery{max-width:72.5rem}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.tour-never{align-items:center;gap:var(--space-2);margin-top:var(--space-3);font-size:var(--text-xs);color:var(--muted);min-height:var(--touch);cursor:pointer;display:flex}.tour-never input{flex:none;width:1.1rem;height:1.1rem}[data-theme] .driver-popover-close-btn{box-sizing:border-box;width:var(--touch);height:var(--touch)}[data-theme] .driver-popover-close-btn:hover,[data-theme] .driver-popover-close-btn:focus,[data-theme] .driver-popover-footer button:hover,[data-theme] .driver-popover-footer button:focus{color:var(--color-text);background:var(--accent-soft);border-color:var(--color-accent)}[data-theme] .driver-popover-close-btn:focus-visible,[data-theme] .driver-popover-footer button:focus-visible{outline:var(--focus-width) solid var(--color-accent);outline-offset:var(--focus-offset)}.teacher-layout{gap:var(--space-5);display:grid}.teacher-nav{border-bottom:var(--border-width) solid var(--border);min-width:0;padding-bottom:var(--space-2)}.teacher-layout>*{min-width:0}.teacher-nav .eyebrow{font-size:var(--text-xs);padding-inline:var(--space-2)}.teacher-nav nav{gap:var(--space-1);padding-block:var(--space-2);flex-wrap:nowrap;display:flex;overflow-x:auto}.teacher-nav a{align-items:center;gap:var(--space-2);min-height:var(--control-height);padding-inline:var(--space-3);border-radius:var(--radius-control);color:var(--color-text);font-size:var(--text-sm);font-weight:var(--weight-medium);flex:none;text-decoration:none;display:inline-flex}.teacher-nav a .icon{color:var(--muted)}.teacher-nav a:hover{background:var(--accent-soft)}.teacher-nav a.active{color:var(--color-accent);background:var(--accent-soft);font-weight:var(--weight-semibold)}.teacher-nav a.active .icon{color:var(--color-accent)}.teacher-content,.teacher-page{min-width:0}.teacher-page{gap:var(--space-4)}.teacher-page>header{gap:var(--space-2);flex-direction:column;display:flex}.teacher-page h1{font-size:var(--text-xl)}.teacher-page>header.paper-header{justify-content:space-between;align-items:flex-end;gap:var(--space-3);flex-flow:wrap;display:flex}.paper-heading{min-width:0}.back-link{align-items:center;gap:var(--space-1);min-height:auto;font-size:var(--text-xs);display:inline-flex}.paper-title-row{align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.paper-title-row h1{font-size:var(--text-xl)}.version-label{font-size:var(--text-xs)}.stage-actions-slot:empty{display:none}.stage-actions{align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.stage-actions button{align-items:center;gap:var(--space-1);font-size:var(--text-sm);display:inline-flex}.readiness-card{gap:var(--space-2);padding:var(--space-4);border:var(--border-width) solid var(--border);border-radius:var(--radius-card);background:var(--color-surface)}.readiness-card h2{font-size:var(--text-sm);font-weight:var(--weight-semibold)}.readiness-row{align-items:center;gap:var(--space-2);font-size:var(--text-sm);flex-wrap:wrap;display:flex}.readiness-row>span:first-of-type{flex:auto;min-width:0}.readiness-row .status{font-size:var(--text-xs);white-space:nowrap;flex:none}.readiness-row .icon{color:var(--muted)}.readiness-approved .icon{color:var(--color-how)}.readiness-needs_review .icon{color:var(--color-warn)}.readiness-card .support{font-size:var(--text-xs)}.teacher-grid,.digest-grid,.media-grid{gap:var(--space-6);display:grid}.teacher-form,.teacher-row,.distribution,.upload-bar{padding:var(--space-5);border:var(--border-width) solid var(--border);border-radius:var(--radius-card);background:var(--color-surface)}.teacher-fields{gap:var(--space-3);border:0;grid-template-columns:repeat(2,minmax(0,1fr));margin:0;padding:0;display:grid}.teacher-fields legend,.teacher-form legend{font-weight:var(--weight-medium);padding:0}.teacher-form label,.teacher-fields label,.block-editor label,.media-grid label,.survey-preview-body label,.override-form label{gap:var(--space-1);color:var(--muted);font-size:var(--text-sm);display:grid}.teacher-list{gap:var(--space-2);flex-direction:column;display:flex}.teacher-list button{text-align:start;flex-direction:column;align-items:flex-start;display:flex}.survey-tree{border:0;border-top:var(--border-width) solid var(--border);padding:var(--space-5) 0 0;margin:0}.survey-tree-item{gap:var(--space-3);padding:var(--space-4);margin-block:var(--space-3);background:var(--accent-soft);border-radius:var(--radius-control);display:grid}.diff{border:var(--border-width) solid var(--color-accent);padding:var(--space-4)}.deadline-chain{gap:var(--space-3);display:grid}.deadline-constraints{margin-top:var(--space-2)}.deadline-context{padding:var(--space-4);border-inline-start:var(--focus-width) solid var(--color-accent);background:var(--accent-soft)}.deadline-context p,.deadline-context ul{margin:0}.teacher-toast{z-index:var(--layer-menu);align-items:center;gap:var(--space-3);max-width:min(30rem, calc(100vw - 2 * var(--space-5)));padding:var(--space-3) var(--space-3) var(--space-3) var(--space-4);border:var(--border-width) solid var(--border);border-inline-start:3px solid var(--color-how);background:var(--color-surface);box-shadow:var(--shadow-dialog);font-size:var(--text-sm);border-radius:14px;display:flex;position:fixed;inset-block-end:max(var(--space-5), env(safe-area-inset-bottom));inset-inline-end:var(--space-5)}.teacher-toast>.icon{color:var(--color-how);flex-shrink:0}.teacher-toast-error{border-inline-start-color:var(--color-sowhat)}.teacher-toast-error>.icon{color:var(--color-sowhat)}.teacher-toast button{min-width:2rem;min-height:2rem;color:var(--muted);background:0 0;border:0;padding:0}.danger-zone{border-top:var(--border-width) solid var(--color-warn);padding-top:var(--space-4)}.upload-bar{gap:var(--space-3);display:grid}.paper-list{gap:var(--space-4);display:grid}.paper-row{gap:var(--space-4);padding-block:var(--space-6);border-bottom:var(--border-width) solid var(--border);display:grid}.stage-strip{gap:var(--space-3);font-size:var(--text-sm);flex-wrap:wrap;display:flex}.status:not(.pill){width:fit-content;padding:var(--space-1) var(--space-2);border:var(--border-width) solid var(--border);border-radius:var(--radius-control);font-size:var(--text-xs);align-items:center;display:inline-flex}.stage-approved{border-color:var(--color-how);color:var(--color-how)}.stage-needs_review{border-color:var(--color-warn);color:var(--color-warn)}.stage-tabs{gap:var(--space-1);border-bottom:var(--border-width) solid var(--border);display:flex;overflow-x:auto}.stage-tabs button{align-items:center;gap:var(--space-2);color:var(--muted);font-size:var(--text-sm);font-weight:var(--weight-medium);background:0 0;border:0;border-bottom:2px solid #0000;border-radius:0;flex:none;margin-bottom:-1px;display:inline-flex}.stage-tabs button:hover{color:var(--color-text);background:0 0}.stage-tabs button[aria-selected=true]{color:var(--color-accent);border-bottom-color:var(--color-accent);font-weight:var(--weight-semibold)}.stage-tabs .status{padding:0 var(--space-2);min-height:1.25rem;font-size:.6875rem}.review-view-tabs{border-radius:var(--radius-control);background:var(--color-surface-2);align-self:flex-start;gap:2px;padding:2px;display:inline-flex}.review-view-tabs button{min-height:calc(var(--control-height) - 4px);border-radius:calc(var(--radius-control) - 2px);color:var(--muted);font-size:var(--text-sm);font-weight:var(--weight-medium);background:0 0;border:0}.review-view-tabs button[aria-selected=true]{background:var(--color-surface);color:var(--color-text);font-weight:var(--weight-semibold);box-shadow:var(--shadow-seg)}.teacher-review-layout,.teacher-reader-pair{gap:var(--space-5);min-width:0;display:grid}.teacher-reader-block{border:var(--border-width) solid transparent;border-radius:var(--radius-card);padding:var(--space-2) var(--space-3);transition:border-color var(--motion-fast), background var(--motion-fast)}.teacher-reader-block.selected,.teacher-reader-block:focus-within{border-color:var(--color-accent);background:var(--accent-soft)}.teacher-paper-pane .paper-scroll{font-size:var(--text-base)}.teacher-paper-pane .block-content[contenteditable=true]{padding:var(--space-2);border-radius:var(--radius-control);cursor:text}.teacher-paper-pane .block-content[contenteditable=true]:hover{background:var(--color-bg)}.teacher-paper-pane .block-content[contenteditable=true]:focus{background:var(--color-surface)}.teacher-block-tools{align-items:center;gap:var(--space-1);padding-top:var(--space-2);margin-top:var(--space-2);border-top:var(--border-width) solid var(--border);flex-wrap:wrap;display:none}.teacher-block-tools .block-meta{width:100%;font-size:var(--text-xs);color:var(--muted)}.teacher-block-tools button{align-items:center;gap:var(--space-1);border-radius:var(--radius-control);min-height:2rem;display:inline-flex}.teacher-reader-block.selected .teacher-block-tools,.teacher-reader-block:focus-within .teacher-block-tools{display:flex}.teacher-block-tools button,.teacher-block-tools select,.teacher-block-tools input{font-size:var(--text-xs);padding:var(--space-1) var(--space-2);min-height:2rem}.teacher-flag-field{flex:1;min-width:12rem}.ocr-workspace{gap:var(--space-5);display:grid}.block-list{max-height:var(--survey-height);border:var(--border-width) solid var(--border);border-radius:var(--radius-card);background:var(--color-surface);flex-direction:column;gap:0;display:flex;overflow:auto}.block-list button{text-align:start;border:0;border-bottom:var(--border-width) solid var(--border);font-size:var(--text-xs);padding:var(--space-2) var(--space-3);border-radius:0;gap:2px;display:grid}.block-list button>span{font-weight:var(--weight-semibold)}.block-list button.selected{background:var(--accent-soft);box-shadow:inset 3px 0 0 var(--color-accent)}.block-list small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.page-preview{height:var(--survey-height);border:var(--border-width) solid var(--border);border-radius:var(--radius-card);background:var(--color-surface-2);overflow:hidden}.page-preview p{padding-inline:var(--space-3)}.page-preview object{width:100%;height:calc(100% - var(--touch))}.translation-list{gap:var(--space-2);display:grid}.translation-list article{gap:var(--space-3);padding-block:var(--space-4);border-bottom:var(--border-width) solid var(--border);display:grid}.digest-grid fieldset,.media-grid fieldset{min-width:0;padding:var(--space-5);border:var(--border-width) solid var(--border);background:var(--color-surface);margin:0}.digest-grid fieldset{gap:var(--space-3);display:grid}.media-grid audio,.media-preview{width:100%;max-width:100%;margin-block:var(--space-3)}.job-grid,.filter-bar{gap:var(--space-2);flex-wrap:wrap;display:flex}.teacher-page>header.dashboard-header{flex-flow:wrap;justify-content:space-between;align-items:flex-end}.class-select{gap:var(--space-1);font-size:var(--text-sm);color:var(--muted);display:grid}.kpi-grid{gap:var(--space-3);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.kpi{padding:var(--space-3) var(--space-4);border:var(--border-width) solid var(--border);background:var(--color-surface);border-radius:14px;flex-direction:column;gap:2px;display:flex}.kpi span{color:var(--muted);font-size:var(--text-xs);font-weight:var(--weight-medium)}.kpi strong{font-size:var(--text-2xl);font-weight:var(--weight-semibold);letter-spacing:-.02em;line-height:1.2}.kpi small{font-size:var(--text-xs);color:var(--muted)}.kpi-spend strong{color:var(--color-accent)}.distribution{gap:var(--space-3)}.distribution h2{font-size:var(--text-sm);font-weight:var(--weight-semibold)}.bar-row{gap:var(--space-3);font-size:var(--text-sm);grid-template-columns:minmax(6rem,1fr) 2fr 2.5rem;align-items:center;display:grid}.bar-row>span{color:var(--muted)}.bar-row>div{background:var(--color-surface-2);border-radius:4px;height:8px;overflow:hidden}.bar-row i{background:var(--color-accent);border-radius:4px;height:100%;display:block}.bar-row.bar-below60 i,.bar-row.bar-late i,.bar-row.bar-flagged i{background:var(--color-warn)}.bar-row.bar-noConsent i,.bar-row.bar-injection i{background:var(--color-sowhat)}.bar-row>strong{text-align:end;font-weight:var(--weight-semibold)}.analysis-card blockquote{font-size:var(--text-sm);line-height:1.6}.analysis-card blockquote footer{font-size:var(--text-xs);color:var(--muted);margin-top:var(--space-2)}.filter-bar{align-items:center}.chip-choice{min-height:2rem;padding:0 var(--space-3);border:var(--border-width) solid var(--border-strong);border-radius:var(--radius-pill);background:var(--color-surface);font-size:var(--text-xs);font-weight:var(--weight-medium);color:var(--muted);position:relative}.chip-choice input{opacity:0;cursor:pointer;width:100%;height:100%;margin:0;position:absolute;inset:0}.chip-choice:has(input:checked){background:var(--warn-soft);color:var(--color-warn);border-color:#0000}.chip-choice:has(input:focus-visible){outline:var(--focus-width) solid var(--color-accent);outline-offset:var(--focus-offset)}.filter-bar select{background:var(--color-surface-2);font-size:var(--text-sm);border-color:#0000}.filter-bar>button{min-width:var(--control-height);background:var(--color-surface-2);color:var(--muted);border-color:#0000;justify-content:center;align-items:center;padding:0;display:inline-flex}.table-scroll{border:var(--border-width) solid var(--border);border-radius:var(--radius-card);background:var(--color-surface);overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:42rem;font-size:var(--text-sm)}th,td{padding:var(--space-2) var(--space-3);text-align:start;border-bottom:var(--border-width) solid var(--border)}thead th{font-size:var(--text-xs);font-weight:var(--weight-semibold);color:var(--muted)}tbody th{font-weight:var(--weight-semibold)}tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}tbody tr{cursor:pointer}tbody tr:hover,tbody tr:focus{background:var(--accent-soft)}thead th.why{color:var(--color-why)}thead th.how{color:var(--color-how)}thead th.sowhat{color:var(--color-sowhat)}.score-cell{font-weight:var(--weight-semibold)}.score-cell.why{color:var(--color-why)}.score-cell.how{color:var(--color-how)}.score-cell.sowhat{color:var(--color-sowhat)}.flags-cell{gap:var(--space-1);flex-wrap:wrap;display:flex}.students-table{max-height:60vh;overflow:auto}.students-table thead th{z-index:1;background:var(--color-surface);position:sticky;top:0}.student-id-cell{font-variant-numeric:tabular-nums;white-space:nowrap}.filter-bar .student-search{background:var(--color-surface-2);min-width:12rem;font-size:var(--text-sm);border-color:#0000;flex:14rem}.pager{align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.table-empty{padding:var(--space-3);margin:0}.pill.unfinished{background:var(--color-surface-2);color:var(--muted)}.drawer-backdrop{z-index:var(--layer-menu);background:#1c241f4d;position:fixed;inset:0}@supports (color:color-mix(in lab, red, red)){.drawer-backdrop{background:color-mix(in oklch, var(--color-text) 30%, transparent)}}.drawer-backdrop{justify-content:flex-end;display:flex}.student-drawer{width:min(100%,34rem);height:100%;padding:var(--space-5);background:var(--color-surface);box-shadow:var(--shadow-dialog);border-radius:var(--radius-sheet) 0 0 var(--radius-sheet);gap:var(--space-4);flex-direction:column;display:flex;overflow-y:auto}.student-drawer>header h2{font-size:var(--text-lg)}.student-drawer>header .icon-button{min-width:var(--control-height);color:var(--muted);background:0 0;border-color:#0000;padding:0}.drawer-section{padding:var(--space-3) var(--space-4);border:var(--border-width) solid var(--border);border-radius:var(--radius-card);font-size:var(--text-sm)}.drawer-section h3{font-size:var(--text-xs);font-weight:var(--weight-semibold);color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:var(--space-2)}.drawer-section p,.drawer-section article{padding-block:var(--space-1)}.drawer-section blockquote{margin-block:var(--space-2);font-size:var(--text-sm)}.override-form{padding:var(--space-4);border:var(--border-width) solid var(--border);border-radius:var(--radius-card);gap:var(--space-3)}.override-form h3{font-size:var(--text-sm);font-weight:var(--weight-semibold)}blockquote{border-inline-start:var(--border-width) solid var(--color-accent);margin:0;padding-inline-start:var(--space-4)}@media (width>=64rem){.teacher-layout{align-items:start;gap:var(--space-6);grid-template-columns:12.5rem minmax(0,1fr)}.teacher-nav{top:var(--space-5);border:0;padding:0;position:sticky}.teacher-nav nav{flex-direction:column;align-items:stretch;gap:2px;overflow:visible}.teacher-nav a{width:100%}.teacher-review-layout{grid-template-columns:minmax(0,1fr) 16rem}.teacher-grid,.media-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.digest-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.deadline-chain{grid-template-columns:repeat(auto-fit,minmax(12rem,1fr))}.paper-row{grid-template-columns:minmax(15rem,2fr) minmax(20rem,3fr) auto;align-items:center}.ocr-workspace{grid-template-columns:minmax(13rem,1fr) minmax(24rem,2fr) minmax(10rem,.7fr);align-items:start}.block-list-workspace{grid-template-columns:minmax(13rem,1fr) minmax(24rem,2fr)}.teacher-review-layout{grid-template-columns:minmax(0,1fr) minmax(10rem,.22fr);align-items:start}.teacher-reader-pair{grid-template-columns:repeat(2,minmax(0,1fr))}.block-list{max-height:70dvh;top:var(--space-5);position:sticky}.stage-actions{top:var(--space-5);position:sticky}.translation-list article{grid-template-columns:repeat(2,minmax(0,1fr))}.kpi-grid{grid-template-columns:repeat(6,minmax(0,1fr))}}.term-banner{justify-content:space-between;align-items:center;gap:var(--space-4);padding:var(--space-5);border:var(--border-width) solid var(--border);border-radius:var(--radius-card);background:var(--accent-soft);flex-wrap:wrap;display:flex}.term-banner.warn{background:var(--warn-soft)}.term-banner .term-summary{gap:var(--space-1)}.term-banner strong{font-size:var(--text-lg)}.term-banner .support{align-items:center;gap:var(--space-2);display:inline-flex}.pill.term-active{background:var(--how-soft);color:var(--color-how)}.pill.term-locked{background:var(--warn-soft);color:var(--color-warn)}.class-grid{gap:var(--space-4);grid-template-columns:repeat(auto-fill,minmax(16rem,1fr));display:grid}.class-card{text-align:start;align-items:stretch;gap:var(--space-2);padding:var(--space-5);border:var(--border-width) solid var(--border);border-radius:var(--radius-card);background:var(--color-surface);color:var(--color-text);font:inherit;cursor:pointer;min-height:0}.class-card:hover,.class-card:focus-visible{border-color:var(--color-accent)}.class-card strong{font-size:var(--text-md)}.class-card .split{width:100%}.class-card-new{color:var(--color-accent);background:0 0;border-style:dashed;justify-content:center}.class-card-new:disabled{color:var(--muted);cursor:not-allowed}dialog:has(.teacher-dialog){width:min(calc(100% - var(--space-8)), 60rem)}.teacher-dialog{gap:var(--space-4)}.teacher-dialog .teacher-form{background:0 0;border:0;padding:0}.dialog-tabs{width:100%}.dialog-tabs>button[aria-selected=true]{background:var(--color-surface);color:var(--color-text);box-shadow:var(--shadow-seg)}.class-assignments .teacher-row{padding:var(--space-4)}.template-card.archived{opacity:var(--disabled-opacity)}.question-list{gap:var(--space-1);margin:0;padding:0;list-style:none;display:grid}.question-list .eyebrow{margin-right:var(--space-2)}.survey-layout{gap:var(--space-6);display:grid}.survey-versions{align-self:start}.survey-versions button[aria-current=true]{border-color:var(--color-accent);background:var(--accent-soft)}.survey-toolbar{justify-content:flex-start}.survey-tree .split .grow{flex:12rem}.option-editor,.scale-editor{padding:var(--space-3);border:var(--border-width) solid var(--border);border-radius:var(--radius-control);background:var(--color-surface)}.survey-preview-body h3{font-size:var(--text-lg)}.survey-preview-body h4{font-size:var(--text-md)}.block-note.degraded{color:var(--color-warn)}.teacher-reader-block.flagged{border-inline-start:3px solid var(--color-sowhat);border-radius:var(--space-1) var(--radius-card) var(--radius-card) var(--space-1)}.block-note{margin:var(--space-2) 0 0;background:var(--sowhat-soft);color:var(--color-sowhat);white-space:normal}.teacher-block-tools .danger{color:var(--color-sowhat);border-color:var(--color-sowhat)}.kpi-meter{width:100%;height:var(--space-2);margin-top:var(--space-2);accent-color:var(--color-accent)}.kpi-spend-high .kpi-meter{accent-color:var(--color-warn)}@media (width>=64rem){.survey-layout{grid-template-columns:minmax(0,1fr) 20rem}}dialog{max-height:calc(100dvh - var(--space-8));overflow:auto}dialog.dialog-wide{width:min(calc(100% - var(--space-8)), 60rem)}.dialog-head{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}.dialog-head h2{margin:0}.dialog-close{flex:none}.scale-slider{gap:var(--space-2);display:grid}.scale-poles{justify-content:space-between;gap:var(--space-4);display:flex}.scale-poles .pole{max-width:48%;font-size:var(--text-sm);color:var(--color-text);flex-direction:column;gap:2px;display:flex}.scale-poles .pole strong{font-size:var(--text-lg);color:var(--color-accent)}.scale-poles .pole-max{text-align:end;align-items:flex-end}.scale-slider input[type=range]{width:100%;min-height:var(--touch);accent-color:var(--color-accent);cursor:pointer}.scale-slider.unset input[type=range]{accent-color:var(--muted);opacity:.7}.scale-ticks{gap:var(--space-1);grid-auto-columns:1fr;grid-auto-flow:column;display:grid}.scale-ticks button{min-width:0;min-height:2.25rem;font-size:var(--text-sm);border-color:var(--border);background:var(--color-surface);color:var(--muted);padding:0}.scale-ticks button[aria-pressed=true]{background:var(--accent-soft);border-color:var(--color-accent);color:var(--color-accent);font-weight:var(--weight-bold)}.scale-current{font-size:var(--text-sm);color:var(--color-accent);font-weight:var(--weight-medium)}.scale-slider.unset .scale-current{color:var(--color-warn)}.pipeline-progress{gap:var(--space-2);padding:var(--space-3) var(--space-4);border:var(--border-width) solid var(--border);border-radius:var(--radius-card);background:var(--color-surface);display:grid}.pipeline-steps{gap:var(--space-1);grid-template-columns:repeat(8,minmax(0,1fr));margin:0;padding:0;list-style:none;display:grid}.pipeline-step{align-items:center;gap:var(--space-1);font-size:var(--text-xs);color:var(--muted);flex-direction:column;display:flex;position:relative}.pipeline-step:before{content:"";background:var(--border);z-index:0;height:3px;position:absolute;top:.6rem;left:50%;right:-50%}.pipeline-step:last-child:before{display:none}.pipeline-step.step-done:before{background:var(--color-how)}.step-dot{z-index:1;background:var(--color-surface-2);border:2px solid var(--border-strong);width:1.25rem;height:1.25rem;color:var(--color-surface);border-radius:50%;justify-content:center;align-items:center;display:inline-flex;position:relative}.step-done .step-dot{background:var(--color-how);border-color:var(--color-how)}.step-running .step-dot{border-color:var(--color-accent);background:var(--accent-soft);animation:1.2s ease-in-out infinite pipeline-pulse}.step-queued .step-dot{border-color:var(--color-accent);border-style:dashed}.step-failed .step-dot{background:var(--color-sowhat);border-color:var(--color-sowhat)}.step-done .step-label,.step-running .step-label{color:var(--color-text);font-weight:var(--weight-medium)}.pipeline-note{margin:0}@keyframes pipeline-pulse{0%,to{box-shadow:0 0 0 0 color-mix(in oklch, var(--color-accent) 40%, transparent)}50%{box-shadow:0 0 0 6px #0000}}@media (width<=40rem){.pipeline-steps{row-gap:var(--space-3);grid-template-columns:repeat(4,minmax(0,1fr))}.pipeline-step:before{display:none}}.class-board{gap:var(--space-4)}.chain-row{align-items:stretch;gap:var(--space-1);padding:var(--space-2) 0;display:flex;overflow-x:auto}.chain-link{align-items:stretch;gap:var(--space-1);display:flex}.chain-arrow{color:var(--muted);font-size:var(--text-lg);padding-inline:var(--space-1);align-self:center}.chain-box{gap:var(--space-1);min-width:10.5rem;max-width:13rem;padding:var(--space-3);border:var(--border-width) solid var(--border-strong);border-radius:var(--radius-card);background:var(--color-surface);color:var(--color-text);text-align:start;font:inherit;cursor:pointer;flex-direction:column;min-height:0;display:flex}.chain-box strong{font-size:var(--text-sm);overflow-wrap:anywhere;line-height:1.3}.chain-box.survey{background:var(--accent-soft);border-color:var(--color-accent)}.chain-box.published{border-color:var(--color-how);background:var(--how-soft)}.chain-box.draft{border-style:solid}.chain-box.empty{color:var(--muted);cursor:default;background:0 0;border-style:dashed;justify-content:center}.chain-box.empty.droppable{border-color:var(--color-accent);background:var(--accent-soft)}.chain-box.active{outline:var(--focus-width) solid var(--color-accent);outline-offset:2px}.box-editor{padding:var(--space-4)}.box-editor .danger{color:var(--color-sowhat);border-color:var(--color-sowhat)}.palette h3{font-size:var(--text-sm);font-weight:var(--weight-semibold)}.palette-grid{gap:var(--space-3);grid-template-columns:repeat(auto-fill,minmax(14rem,1fr));display:grid}.palette-card{padding:var(--space-3);border:var(--border-width) solid var(--border);border-radius:var(--radius-card);background:var(--color-surface);gap:var(--space-2);cursor:grab}.palette-card.blocked{cursor:not-allowed;opacity:.85}.palette-card .pill{white-space:normal;align-self:flex-start}.pill.warn{background:var(--warn-soft);color:var(--color-warn)}.publishable-reasons{font-size:var(--text-sm);color:var(--muted)}.publishable-pill{align-self:flex-start}dialog{margin:auto;position:fixed;inset:0}.class-meta,.class-visibility{gap:var(--space-3);display:grid}.email-chips{gap:var(--space-2);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.email-chip{gap:var(--space-2);padding-inline-end:var(--space-1)}.email-chip .icon-button{min-width:1.5rem;min-height:1.5rem;color:inherit;background:0 0;border:0;padding:0}.chain-box.locker{cursor:default;opacity:.95}.chain-box.locker strong{align-items:center;gap:var(--space-1);color:var(--color-accent);display:inline-flex}.student-id-field{gap:var(--space-1);display:grid}.student-id-field input{font-size:var(--text-lg);letter-spacing:.08em;text-transform:uppercase;max-width:14rem}.student-id-fields{gap:var(--space-4);display:grid}@media (width>=720px){.student-id-fields{grid-template-columns:repeat(2,minmax(0,1fr))}}.student-id-field .field-error{color:var(--color-warn)}.button[aria-disabled=true]{opacity:.55;pointer-events:none}.status.pill.not_open{color:var(--muted)}.google-signin{color:#1f1f1f;letter-spacing:.25px;cursor:pointer;background:#fff;border:1px solid #747775;border-radius:999px;align-items:center;gap:12px;min-height:44px;padding:0 16px 0 12px;font-family:Roboto,system-ui,sans-serif;font-size:15px;font-weight:500;display:inline-flex;box-shadow:0 1px 2px #00000014}.google-signin:hover:not(:disabled){background:#f3f4f6;box-shadow:0 1px 3px #00000029}.google-signin:focus-visible{outline-offset:2px;outline:2px solid #4285f4}.google-signin:disabled{opacity:.6;cursor:default}.google-signin .google-mark{flex:none}[data-theme=dark] .google-signin{color:#e3e3e3;box-shadow:none;background:#131314;border-color:#8e918f}[data-theme=dark] .google-signin:hover:not(:disabled){background:#1f1f20}.template-filters{gap:var(--space-2);flex-wrap:wrap;align-items:center;display:flex}.template-filters input[type=search]{flex:14rem;min-width:10rem}.template-list{overscroll-behavior:contain;max-height:70vh;padding-right:var(--space-1);overflow:auto}.pseudo-entry{margin-top:var(--space-4);max-width:28rem}.pseudo-entry summary{cursor:pointer;color:var(--muted)}.pseudo-form{gap:var(--space-2);margin-top:var(--space-2);flex-wrap:wrap;align-items:flex-end;display:flex}.pseudo-form label{gap:var(--space-1);flex:14rem;display:grid}.pseudo-form input{letter-spacing:.04em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.pseudo-issued code{font-size:var(--text-lg);letter-spacing:.08em;-webkit-user-select:all;user-select:all}.account-cards{gap:var(--space-4);grid-template-columns:minmax(0,1fr);grid-auto-rows:1fr;align-items:stretch;display:grid}@media (width>=48rem){.account-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}.account-card{gap:var(--space-2);flex-direction:column;display:flex}.account-card h2{font-size:var(--text-lg);margin:0}.account-card .support{flex:1;margin:0}.account-card-stat{margin:0}.account-card .actions{margin-top:auto}.account-panel{max-height:70vh;padding-right:var(--space-1);overflow:auto}.in-app-notice{gap:var(--space-2);border-color:var(--color-warning,var(--border-strong));display:grid}.in-app-notice .in-app-url{-webkit-user-select:all;user-select:all;overflow-wrap:anywhere;font-family:var(--font-mono,monospace)}.faq-item{border:var(--border-width) solid var(--border);border-radius:var(--radius-card);padding:var(--space-3) var(--space-4);background:var(--color-surface)}.faq-item summary{box-shadow:none;cursor:pointer;font-weight:var(--weight-semibold);min-height:var(--touch);background:0 0;border:0;align-items:center;padding:0;display:flex}.faq-item p{margin-top:var(--space-2);color:var(--color-text);line-height:var(--line-normal)}.privacy-heading{font-size:var(--text-md,1rem);font-weight:var(--weight-semibold);margin:0}footer a{color:inherit}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}:root{--workspace-width:100rem;--reader-height:calc(100dvh - 12rem);--reader-min-height:24rem;--sidebar-width:22rem;--sheet-height:78dvh;--highlight-yellow:color-mix(in oklch, var(--color-warn) 28%, var(--color-surface));--highlight-green:color-mix(in oklch, var(--color-how) 22%, var(--color-surface));--highlight-blue:color-mix(in oklch, var(--color-why) 22%, var(--color-surface));--highlight-red:color-mix(in oklch, var(--color-sowhat) 22%, var(--color-surface))}.workspace-page{gap:var(--space-3)}.workspace-page h3{font-size:var(--text-md);margin:0}.workspace-page nav{width:auto}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.workspace-bar{align-items:center;gap:var(--space-2);flex:auto;min-width:0;display:flex}.workspace-back{min-width:var(--control-height);min-height:var(--control-height);border-radius:var(--radius-control);color:var(--color-text);flex-shrink:0;padding:0}.workspace-back:hover{background:var(--accent-soft)}.workspace-title{min-width:0;line-height:var(--line-tight);flex-direction:column;flex:auto;display:flex}.workspace-title h1{font-size:var(--text-base);font-weight:var(--weight-semibold);text-overflow:ellipsis;text-wrap:nowrap;white-space:nowrap;line-height:1.25;overflow:hidden}.workspace-title .support{font-size:var(--text-xs);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.mode-switch{flex-shrink:0;width:auto}.mode-switch .button{gap:var(--space-1);padding-inline:var(--space-2);font-size:var(--text-sm)}.mode-label{display:none}.mode-label-short{display:inline}@media (width>=40rem){.mode-label{display:inline}.mode-label-short{display:none}}.segmented,.mode-switch,.pane-content-switcher{border-radius:var(--radius-control);background:var(--color-surface-2);align-items:center;gap:2px;padding:2px;display:inline-flex}.segmented>button,.mode-switch>.button,.pane-content-switcher>button{min-height:calc(var(--control-height) - 4px);min-width:0;padding:0 var(--space-3);border-radius:calc(var(--radius-control) - 2px);color:var(--muted);font-size:var(--text-sm);font-weight:var(--weight-medium);white-space:nowrap;justify-content:center;align-items:center;gap:var(--space-1);background:0 0;border:0;flex:1 1 0;text-decoration:none;display:inline-flex}.segmented>button:hover,.mode-switch>.button:hover,.pane-content-switcher>button:hover{color:var(--color-text);background:color-mix(in oklch, var(--color-surface) 60%, transparent)}.mode-switch [aria-current],.segmented [role=tab][aria-selected=true],.segmented [aria-pressed=true],.pane-content-switcher [aria-pressed=true]{background:var(--color-surface);color:var(--color-text);font-weight:var(--weight-semibold);box-shadow:var(--shadow-seg)}.mode-switch{margin:0}.reader-workspace{gap:var(--space-2)}.reader-workspace>.support[data-tour=selection]{font-size:var(--text-xs);padding-inline:var(--space-1)}.reader-columns,.assignment-columns{gap:var(--space-3);min-width:0;display:grid}.pane-workspace{gap:var(--space-2)}.pane-workspace,.pane-grid,.pane-slot{min-width:0;min-height:0}.pane-slot{display:none}.pane-slot.mobile-active{display:block}.pane-strip{align-items:center;gap:var(--space-2);display:flex}.pane-strip .mobile-pane-switcher{flex:auto;display:flex}.pane-strip .mobile-pane-switcher:has(>button:only-child){display:none}.pane-toggles{gap:2px;margin-inline-start:auto;display:flex}.paper-pane{border:var(--border-width) solid var(--border);border-radius:var(--radius-card);background:var(--color-surface);min-width:0;height:var(--reader-height);min-height:var(--reader-min-height);flex-direction:column;display:flex;overflow:hidden}.pane-toolbar{gap:var(--space-2);padding:var(--space-1) var(--space-2);border-bottom:var(--border-width) solid var(--border);flex-wrap:wrap;flex-shrink:0;align-items:center;display:flex}.pane-toolbar strong{font-size:var(--text-sm);padding-inline:var(--space-1)}.pane-toolbar select{min-width:0;max-width:14rem;font-size:var(--text-sm);background:var(--color-surface-2);padding-inline:var(--space-2);border-color:#0000;flex:0 auto}.pane-toolbar select[data-testid=jump-control]{flex:8rem}.pane-toolbar button.quiet,.pane-toggles button{color:var(--muted);font-size:var(--text-sm);gap:var(--space-1);background:0 0;border-color:#0000;align-items:center;display:inline-flex}.pane-toolbar button.quiet:hover,.pane-toggles button:hover{background:var(--accent-soft);color:var(--color-accent)}.pane-toggles button[aria-pressed=true]{color:var(--color-accent);background:var(--accent-soft)}.paper-scroll{overscroll-behavior:contain;padding:var(--space-4);min-height:0;font-size:var(--text-md);line-height:var(--line-reading);flex:1;position:relative;overflow:auto}.paper-block{margin-block:var(--space-5);overflow-wrap:anywhere;scroll-margin:var(--space-8);line-height:var(--line-reading)}.block-content{max-width:72ch;margin:auto}.block-content a{min-height:auto;display:inline}.block-content h1,.block-content h2,.block-content h3{margin-block:var(--space-5);font-size:var(--text-xl);font-weight:var(--weight-semibold);line-height:var(--line-tight)}.block-content table{border-collapse:collapse;width:100%;font-size:var(--text-sm)}.block-content th,.block-content td{padding:var(--space-2);border:var(--border-width) solid var(--border)}.block-table,.block-equation{overflow-x:auto}.paper-block img,.media-item img,audio{max-width:100%}.fold-control{align-items:center;gap:var(--space-2);width:100%;max-width:72ch;margin:var(--space-2) auto 0;text-align:start;font-size:var(--text-base);font-weight:var(--weight-semibold);background:var(--color-surface-2);color:var(--color-text);border-color:#0000;display:flex}.fold-control:hover{background:var(--accent-soft)}.fold-icon{transition:transform var(--motion-fast);color:var(--muted)}.fold-icon.open{transform:rotate(90deg)}.reader-highlight{color:var(--color-text);border-radius:var(--space-1);-webkit-box-decoration-break:clone;box-decoration-break:clone}.highlight-yellow{background:var(--highlight-yellow)}.highlight-green{background:var(--highlight-green)}.highlight-blue{background:var(--highlight-blue)}.highlight-red{background:var(--highlight-red)}.block-flash{outline:var(--focus-width) solid var(--color-accent);background:var(--accent-soft)}.splitter{display:none}.pane-content-switcher{width:100%;display:flex}.pane-slot-secondary{height:var(--reader-height);min-height:var(--reader-min-height);gap:var(--space-2);flex-direction:column}.pane-slot-secondary.mobile-active{display:flex}.pane-slot-secondary>.paper-pane{flex:1;height:0;min-height:0}.pdf-document{border:0;flex:1;width:100%;height:100%;min-height:0;display:block}.pdf-status{padding:var(--space-4)}.reader-sidebar{z-index:var(--layer-menu);padding-block:var(--space-2) max(var(--space-2), env(safe-area-inset-bottom));background:0 0;border:0;gap:0;position:sticky;bottom:0}.sheet-toggle{justify-content:center;align-items:center;gap:var(--space-2);width:100%;min-height:var(--touch);border-radius:var(--radius-pill);box-shadow:var(--shadow-dialog);display:inline-flex}.reader-sidebar .sidebar-body{display:none}.reader-sidebar.sheet-open{height:var(--sheet-height);background:var(--color-surface);border:var(--border-width) solid var(--border);border-radius:var(--radius-sheet) var(--radius-sheet) 0 0;box-shadow:var(--shadow-dialog);border-bottom:0;flex-direction:column;padding:0;display:flex;position:fixed;inset:auto 0 0;overflow:hidden}.reader-sidebar.sheet-open .sheet-toggle{width:auto;min-height:var(--control-height);margin:var(--space-2) var(--space-2) 0 auto;box-shadow:none;background:var(--color-surface-2);color:var(--muted);border-color:#0000}.reader-sidebar.sheet-open .sidebar-body{gap:var(--space-2);min-height:0;padding:var(--space-2) var(--space-3) max(var(--space-2), env(safe-area-inset-bottom));flex-direction:column;flex:auto;display:flex;overflow:hidden}.reader-tabs{flex-wrap:nowrap;flex-shrink:0;gap:2px;display:flex}.reader-tabs>button{padding-inline:var(--space-1)}.reader-tabs>button .icon{display:none}@media (width>=26rem){.reader-tabs>button .icon{display:block}}.reader-tool-panel,.reader-tool-panel>.tool-panel:not([hidden]){flex-direction:column;flex:auto;min-height:0;display:flex}.reader-tool-panel>.tool-panel-scroll:not([hidden]){padding-inline:var(--space-1);display:block;overflow-y:auto}.reader-tool-panel>.tool-panel-chat:not([hidden])>.chat-panel{flex:auto;min-height:0}.reader-sidebar.sheet-open .chat-log{min-height:4rem}@media (height<=34rem){:root{--sheet-height:92dvh}}.tool-panel-scroll h2{font-size:var(--text-md)}.selection-popover{bottom:max(var(--space-3), env(safe-area-inset-bottom));left:var(--space-3);right:var(--space-3);max-height:var(--sheet-height);z-index:calc(var(--layer-menu) + 1);border:var(--border-width) solid var(--border);background:var(--color-surface);border-radius:var(--radius-sheet);box-shadow:var(--shadow-dialog);padding:var(--space-3);gap:var(--space-3);position:fixed;overflow:auto}.selection-head{align-items:flex-start;gap:var(--space-2);display:flex}.selection-head blockquote{min-width:0;padding:var(--space-1) var(--space-3);max-height:var(--space-16);font-size:var(--text-sm);color:var(--muted);border-inline-start:2px solid var(--color-accent);flex:auto;margin:0;overflow:auto}.selection-head .icon-button{min-width:var(--control-height);min-height:var(--control-height);color:var(--muted);background:0 0;border-color:#0000;padding:0}.selection-colors{justify-content:space-between}.swatches{gap:var(--space-2);display:inline-flex}.swatch{width:var(--control-height);height:var(--control-height);min-width:0;min-height:0;box-shadow:inset 0 0 0 1px var(--border-strong);border:2px solid #0000;border-radius:50%;padding:0}.swatch[aria-pressed=true]{border-color:var(--color-accent);box-shadow:none}.selection-popover .actions>button,.selection-colors>button{align-items:center;gap:var(--space-1);font-size:var(--text-sm);display:inline-flex}.selection-note{gap:var(--space-1);font-size:var(--text-sm);color:var(--muted);display:grid}.selection-note textarea{min-height:2.75rem;font-size:var(--text-base);color:var(--color-text)}.selection-popover p[role=alert]{color:var(--color-sowhat);font-size:var(--text-sm)}.chat-panel{gap:var(--space-2);flex-direction:column;min-height:0;display:flex}.chat-panel>h2{font-size:var(--text-sm);font-weight:var(--weight-semibold);color:var(--muted);padding-inline:var(--space-1);flex-shrink:0}.chat-log{overscroll-behavior-y:auto;gap:var(--space-3);min-height:16rem;padding:var(--space-1) var(--space-1) var(--space-2);flex:auto;overflow-y:auto}.chat-panel>form,.chat-panel>.citation-attachment,.chat-panel>[role=status],.chat-panel>[role=alert],.chat-panel>.notice,.chat-panel>button{flex-shrink:0}.chat-message{gap:var(--space-1);flex-direction:column;align-self:flex-start;align-items:flex-start;max-width:88%;display:flex}.chat-message>strong{font-size:var(--text-xs);color:var(--muted);font-weight:var(--weight-semibold);padding-inline:var(--space-2)}.chat-message .bubble{padding:var(--space-2) var(--space-4);border-radius:var(--radius-bubble);background:var(--color-surface-2);white-space:pre-wrap;overflow-wrap:anywhere;border-end-start-radius:var(--space-1);margin:0;line-height:1.55}.message-student{align-self:flex-end;align-items:flex-end}.message-student .bubble{border-radius:var(--radius-bubble);background:var(--accent-soft);border-end-end-radius:var(--space-1)}.message-student .actions{justify-content:flex-end}.chat-message .actions:empty{display:none}.chat-empty{color:var(--muted);font-size:var(--text-sm);text-align:center;padding:var(--space-6) var(--space-4);max-width:34ch;margin:auto}.chat-note{font-size:var(--text-sm);color:var(--muted);padding-inline:var(--space-2)}.block-chip{align-items:center;gap:var(--space-1);min-height:1.75rem;padding:0 var(--space-2);border-radius:var(--radius-pill);font-size:var(--text-xs);color:var(--color-accent);border-color:var(--border);display:inline-flex}.citation-attachment{align-items:center;gap:var(--space-2);min-height:2rem;padding:var(--space-1) var(--space-1) var(--space-1) var(--space-3);border:var(--border-width) solid var(--border-strong);border-radius:var(--radius-pill);font-size:var(--text-xs);color:var(--muted);display:flex}.citation-attachment>span{white-space:nowrap;text-overflow:ellipsis;flex:auto;min-width:0;overflow:hidden}.citation-attachment .icon-button{background:0 0;border-color:#0000;min-width:1.75rem;min-height:1.75rem;padding:0}.chat-panel>form.composer{gap:var(--space-1)}.composer-field{align-items:flex-end;gap:var(--space-2);padding:var(--space-1);border:var(--border-width) solid var(--border-strong);background:var(--color-surface);transition:border-color var(--motion-fast);border-radius:1.4rem;display:flex}.composer-field:focus-within{border-color:var(--color-accent)}.composer-field label{flex:auto;min-width:0}.composer-field textarea{min-height:calc(var(--control-height) - .5rem);max-height:40vh;padding:var(--space-2) var(--space-3);resize:none;field-sizing:content;background:0 0;border:0;line-height:1.5}.composer-field textarea:focus-visible{outline:none}.composer-field .send{width:calc(var(--control-height) - .5rem);height:calc(var(--control-height) - .5rem);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;min-width:0;min-height:0;padding:0;display:inline-flex}.composer-field .send .icon{display:block}.composer-field .send:disabled{background:var(--color-surface-2);border-color:var(--color-surface-2);color:var(--muted);opacity:1}.chat-panel form small{padding-inline:var(--space-3);color:var(--muted)}.feedback .actions button{min-width:2rem;min-height:2rem;padding:0 var(--space-2);color:var(--muted);background:0 0;border-color:#0000}.feedback .actions button[aria-pressed=true]{color:var(--color-accent);background:var(--accent-soft)}.message-waiting{color:var(--muted)}.typing-dots{vertical-align:middle;gap:3px;display:inline-flex}.typing-dots span{background:currentColor;border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite typing-blink}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}@keyframes typing-blink{0%,80%,to{opacity:.25}40%{opacity:1}}.annotation-row,.media-item{padding-block:var(--space-4);border-block-start:var(--border-width) solid var(--border);gap:var(--space-3)}.annotation-row>button{text-align:start;overflow-wrap:anywhere}.annotation-row select{display:block}.transcript{padding-inline-start:var(--space-5)}.transcript li{margin-block:var(--space-3)}.image-preview{border-radius:var(--radius-card);padding:0;overflow:hidden}.image-preview img{display:block}.lightbox-scroll{max-height:var(--reader-height);overflow:auto}.media-drawer select{width:auto}.reader-tabs{gap:var(--space-2);flex-wrap:wrap;display:flex}.task-tabs{width:100%;display:flex}.task-tabs>button{gap:var(--space-2);min-height:var(--control-height);padding:0 var(--space-2);flex-direction:row}.task-tabs .task-name{font-weight:var(--weight-semibold)}.task-tabs .why .task-name,.task-tabs>button.why .task-name{color:var(--color-why)}.task-tabs>button.how .task-name{color:var(--color-how)}.task-tabs>button.sowhat .task-name{color:var(--color-sowhat)}.task-tabs .task-best{height:1.375rem;padding:0 var(--space-2);border-radius:var(--radius-pill);background:var(--color-surface);color:var(--muted);font-size:var(--text-xs);font-weight:var(--weight-semibold);white-space:nowrap;align-items:center;display:inline-flex}.task-tabs>button.has-score .task-best{background:var(--how-soft);color:var(--color-how)}.task-tabs>button[aria-selected=true] .task-best{background:var(--color-surface-2)}.task-tabs>button.has-score[aria-selected=true] .task-best{background:var(--how-soft)}.task-tabs>button:disabled{opacity:var(--disabled-opacity)}@media (width<=39.98rem){.task-tabs>button{padding:var(--space-1);min-height:var(--touch);flex-direction:column;gap:2px}.task-tabs .task-name{font-size:var(--text-xs)}}.task-panel{gap:var(--space-3)}.assignment-layout{gap:var(--space-3);min-width:0;display:grid}.assignment-main{gap:var(--space-3);min-width:0}.question-panel{gap:var(--space-2);padding:var(--space-4);background:var(--color-surface);border:var(--border-width) solid var(--border);border-radius:var(--radius-card)}.question-panel h2{font-size:var(--text-lg);line-height:1.4}.task-eyebrow{font-size:var(--text-xs);letter-spacing:.02em}.task-eyebrow.why{color:var(--color-why)}.task-eyebrow.how{color:var(--color-how)}.task-eyebrow.sowhat{color:var(--color-sowhat)}.question-panel .actions{margin-top:var(--space-1)}.question-panel .actions>*{align-items:center;gap:var(--space-1);font-size:var(--text-sm);display:inline-flex}.question-panel .actions [aria-pressed=true]{background:var(--accent-soft);border-color:var(--color-accent);color:var(--color-accent)}.assignment-sidebar{gap:var(--space-3);min-width:0;display:grid}.side-panel{flex-direction:column;gap:0;min-width:0;min-height:0;padding:0;display:flex}.side-panel.side-paper:not(.is-open){display:none}.side-paper .reader-workspace{padding:var(--space-2)}.side-paper .paper-pane{height:var(--reader-height)}.side-scroll{overscroll-behavior:contain;min-height:0;padding:var(--space-2) var(--space-4) var(--space-4);flex:auto;overflow:auto}.side-media .media-drawer>h2{display:none}.reference-head{flex-wrap:nowrap;justify-content:space-between}.reference-head h2{font-size:var(--text-sm);font-weight:var(--weight-semibold);padding-inline:var(--space-1)}.side-controls{gap:2px;margin-inline-start:auto;display:flex}.reference-head .icon-button{color:var(--muted);min-width:var(--control-height);background:0 0;border-color:#0000;padding:0}.reference-head .icon-button:hover,.reference-head .icon-button[aria-pressed=true]{color:var(--color-accent);background:var(--accent-soft)}.assignment-sidebar>.splitter,.side-toggle{display:none}.assignment-columns.pane{min-height:60dvh;padding:var(--space-2) var(--space-3) var(--space-3);flex-direction:column;display:flex}.assignment-columns .chat-panel{flex:auto;min-height:0}@media (width<=63.98rem){.assignment-columns .chat-log{max-height:60dvh}}.clear-chat{min-width:calc(var(--control-height) - .5rem);min-height:calc(var(--control-height) - .5rem);color:var(--muted);background:0 0;border-color:#0000;padding:0}.clear-chat:hover{color:var(--color-sowhat);background:var(--sowhat-soft)}.evaluation-panel{gap:var(--space-2);padding:var(--space-3) var(--space-4);border:var(--border-width) solid var(--border);border-radius:var(--radius-card);background:var(--color-surface);flex-direction:column;flex-shrink:0;display:flex;position:relative}.evaluation-bar{align-items:center;gap:var(--space-2);min-width:0;display:flex}.ring-button{min-width:var(--control-height);min-height:var(--control-height);background:0 0;border-color:#0000;border-radius:50%;justify-content:center;align-items:center;padding:0;display:inline-flex}.ring-button:hover,.ring-button[aria-expanded=true]{background:var(--accent-soft)}.score-ring{justify-content:center;align-items:center;display:inline-flex;position:relative}.score-ring .ring-track{stroke:var(--color-surface-2)}.score-ring .ring-value{stroke:var(--muted)}.score-ring.score-pass .ring-value{stroke:var(--color-how)}.score-ring.score-low .ring-value{stroke:var(--color-warn)}.score-ring .ring-label{font-size:var(--text-xs);font-weight:var(--weight-bold);letter-spacing:-.02em;position:absolute}.score-ring.score-pass .ring-label{color:var(--color-how)}.score-ring.score-low .ring-label{color:var(--color-warn)}.score-ring.score-none .ring-label{color:var(--muted)}.evaluation-summary{flex-direction:column;flex:auto;min-width:0;line-height:1.25;display:flex}.evaluation-summary h2{font-size:var(--text-sm);font-weight:var(--weight-semibold);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.evaluation-outcome{font-size:var(--text-xs);font-weight:var(--weight-semibold);color:var(--muted)}.evaluation-outcome[data-outcome=pass]{color:var(--color-accent)}.best-badge{color:var(--color-accent);font-weight:var(--weight-semibold);font-size:var(--text-xs)}.evaluate{align-items:center;gap:var(--space-1);white-space:nowrap;font-size:var(--text-sm);display:inline-flex}.evaluate:disabled{opacity:1}.evaluate[data-state=waiting],.evaluate[data-state=busy],.evaluate[data-state=deadline],.evaluate[data-state=cooldown]{background:var(--color-surface-2);border-color:var(--color-surface-2);color:var(--muted)}.evaluate[data-state=quota]{background:var(--warn-soft);border-color:var(--warn-soft);color:var(--color-warn)}.evaluate.is-retry{background:var(--color-surface);border-color:var(--color-accent);color:var(--color-accent)}.sheet-chevron{min-width:calc(var(--control-height) - .5rem);min-height:calc(var(--control-height) - .5rem);color:var(--muted);background:0 0;border-color:#0000;padding:0}.evaluation-sheet{gap:var(--space-3);padding:var(--space-3);border:var(--border-width) solid var(--border);border-radius:var(--radius-control);background:var(--color-surface-2);max-height:24rem;overflow-y:auto}.evaluation-sheet .support{font-size:var(--text-xs)}.evaluation-sheet details{font-size:var(--text-sm)}.evaluation-sheet summary{background:var(--color-surface-2);font-size:var(--text-sm);border-color:#0000}.evaluation-card{gap:var(--space-3)}.evaluation-head{align-items:center;gap:var(--space-3);display:flex}.evaluation-total{gap:0}.score-total{font-size:var(--text-xl);font-weight:var(--weight-semibold);letter-spacing:-.02em;line-height:1.2}.evaluation-total time{font-size:var(--text-xs);color:var(--muted)}.evaluation-feedback{padding:var(--space-3) var(--space-4);background:var(--color-surface-2);border-radius:var(--radius-control);font-size:var(--text-sm);line-height:1.6}.criteria{margin:0;padding:0;list-style:none}.criteria-compact{flex-direction:column;gap:0;display:flex}.criteria-compact li{justify-content:space-between;align-items:center;gap:var(--space-3);min-height:2.25rem;padding-block:var(--space-1);border-bottom:var(--border-width) solid var(--border);font-size:var(--text-sm);display:flex}.criteria-compact li:last-child{border-bottom:0}.criteria-compact strong{font-weight:var(--weight-medium)}.criterion-dots{gap:var(--space-1);flex-shrink:0;display:inline-flex}.criterion-dots .dot{border:1.5px solid var(--color-accent);border-radius:50%;width:9px;height:9px}.criterion-dots .dot.filled{background:var(--color-accent)}.evaluation-panel>.notice,.evaluation-panel>[role=alert]{font-size:var(--text-sm)}.katex-error{white-space:pre-wrap;font-size:var(--text-sm);color:var(--color-warn);display:inline-block}.equation-katex .katex-display{margin:var(--space-2) 0;overflow-x:auto}.block-figure{text-align:center}.block-figure img{max-width:100%;height:auto;margin-inline:auto;display:block}.block-figure figcaption{text-align:start;margin-top:var(--space-3)}@media (width>=64rem){:root{--reader-height:calc(100dvh - var(--topbar-height) - 5.25rem);--sidebar-width:30rem}.reader-columns{grid-template-columns:minmax(0,1fr) var(--sidebar-width);align-items:start}.is-reference .reader-columns{grid-template-columns:minmax(0,1fr)}.mobile-pane-switcher,.sheet-toggle,.mobile-reference{display:none}.pane-slot{display:block}.pane-workspace{gap:0;position:relative}.pane-strip{z-index:2;position:absolute;top:5px;right:8px}.pane-grid:not(.has-right) .slot-main .pane-toolbar{padding-inline-end:6rem}.pane-content-switcher{align-self:flex-start;width:auto}.reader-sidebar,.reader-sidebar.sheet-open{top:var(--space-3);height:var(--reader-height);min-height:var(--reader-min-height);background:var(--color-surface);border:var(--border-width) solid var(--border);border-radius:var(--radius-card);max-height:none;box-shadow:none;z-index:auto;flex-direction:column;align-self:start;padding:0;display:flex;position:sticky;inset:auto;overflow:hidden}.reader-sidebar .sidebar-body,.reader-sidebar.sheet-open .sidebar-body{gap:var(--space-2);height:auto;min-height:0;max-height:none;padding:var(--space-2) var(--space-3) var(--space-3);flex-direction:column;flex:auto;display:flex;overflow:hidden}.reader-tabs{width:100%}.pane-grid{height:var(--reader-height);gap:0;display:grid}.pane-grid.has-right{grid-template-columns:minmax(0,calc(100% - var(--right-pct) - var(--touch))) var(--touch) minmax(0,1fr)}.pane-grid.has-bottom{grid-template-rows:minmax(0,calc(100% - var(--bottom-pct) - var(--touch))) var(--touch) minmax(0,1fr)}.pane-slot .paper-pane,.has-bottom .slot-bottom .paper-pane{height:100%;min-height:0}.slot-main{grid-area:1/1}.slot-right{grid-area:1/3}.slot-bottom{grid-area:3/1/auto/-1}.splitter{touch-action:none;color:var(--muted);cursor:ew-resize;border-radius:var(--radius-control);justify-content:center;align-items:center;padding:0;display:flex}.splitter-right{grid-area:1/2}.splitter-bottom{cursor:ns-resize;grid-area:2/1/auto/-1}.splitter:hover,.splitter:focus{background:var(--accent-soft)}.pane-slot-secondary{height:100%;min-height:0;display:flex}.pane-slot-secondary>.paper-pane{height:0}.paper-scroll{padding:var(--space-6) var(--space-8)}.selection-popover{left:var(--space-6);right:auto;bottom:var(--space-6);width:min(26rem, calc(100vw - var(--sidebar-width) - var(--space-16)))}.task-tabs{align-self:flex-start;width:auto}.task-tabs>button{padding:0 var(--space-3);flex:none}.question-panel .actions.mobile-only,.pane-strip .mobile-pane-switcher{display:none}.assignment-layout{grid-template-columns:minmax(0,1fr) clamp(26rem,38%,38rem);align-items:start}.assignment-main{height:var(--reader-height);min-height:var(--reader-min-height);flex-direction:column;display:flex}.assignment-main>.assignment-columns.pane{flex:auto;height:auto;min-height:0}.assignment-sidebar{top:var(--space-3);height:var(--reader-height);min-height:var(--reader-min-height);grid-template-rows:minmax(0, calc(100% - var(--media-pct) - var(--touch))) var(--touch) minmax(0, 1fr);gap:0;position:sticky}.assignment-sidebar.focus-paper{grid-template-rows:minmax(0,1fr) 0 0}.assignment-sidebar.focus-media{grid-template-rows:0 0 minmax(0,1fr)}.assignment-sidebar.focus-paper>.side-media,.assignment-sidebar.focus-media>.side-panel.side-paper,.assignment-sidebar.focus-media>.side-panel.side-paper:not(.is-open),.assignment-sidebar.focus-paper>.splitter,.assignment-sidebar.focus-media>.splitter{display:none}.assignment-sidebar>.side-panel.side-paper:not(.is-open),.assignment-sidebar>.side-paper{grid-row:1;display:flex}.assignment-sidebar>.splitter{cursor:ns-resize;grid-row:2;display:flex}.assignment-sidebar>.side-media{grid-row:3}.side-toggle{display:inline-flex}.reference-close{display:none}.assignment-main .evaluation-sheet{max-height:min(18rem,32vh)}.assignment-main .chat-log{min-height:8rem}.side-paper .reader-workspace,.side-paper .reader-columns,.side-paper .pane-workspace{flex-direction:column;flex:auto;min-height:0;display:flex}.side-paper .reader-columns{grid-template-rows:minmax(0,1fr);align-items:stretch;display:grid}.side-paper .pane-workspace,.side-paper .pane-grid,.side-paper .paper-pane{height:100%}}.block-heading .block-content{font-weight:var(--weight-semibold);line-height:var(--line-tight);margin-top:var(--space-6);font-size:var(--text-lg)}.block-heading[data-level="1"] .block-content{font-size:var(--text-xl)}.block-heading[data-level="3"] .block-content,.block-heading[data-level="4"] .block-content{font-size:var(--text-md)}.block-heading .block-content h1,.block-heading .block-content h2,.block-heading .block-content h3,.block-heading .block-content h4{font-size:inherit;margin:0}.block-para .block-content{font-size:var(--text-md);text-align:start;-webkit-hyphens:auto;hyphens:auto}.block-caption .block-content{font-size:var(--text-sm);color:var(--muted);text-align:center;max-width:60ch;padding-inline:var(--space-4)}.block-caption{margin-block:var(--space-3)}.block-equation .block-content{text-align:center;padding:var(--space-3) var(--space-4);border-inline-start:3px solid var(--border-strong);background:var(--color-surface-2);border-radius:var(--radius-control);overflow-x:auto}.block-listItem .block-content{padding-inline-start:var(--space-5);position:relative}.block-listItem .block-content:before{content:"•";left:var(--space-2);color:var(--muted);position:absolute}.block-refItem .block-content{font-size:var(--text-sm);color:var(--muted);text-indent:calc(-1 * var(--space-5));padding-inline-start:var(--space-5)}.block-refItem{margin-block:var(--space-2)}.block-table .block-content{max-width:none}.block-figure .block-content{font-size:var(--text-sm);color:var(--muted);text-align:center}.pane-notice{margin:0 0 var(--space-4);padding:var(--space-2) var(--space-3);border-left:3px solid var(--color-warn);background:var(--warn-soft);color:var(--color-text);font-size:var(--text-sm);border-radius:var(--radius-control);line-height:1.5}
