@font-face{font-family:DM Sans Variable;font-style:normal;font-display:swap;font-weight:100 1000;src:url(/assets/dm-sans-latin-ext-wght-normal-BOFOeGcA.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:DM Sans Variable;font-style:normal;font-display:swap;font-weight:100 1000;src:url(/assets/dm-sans-latin-wght-normal-Xz1IZZA0.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@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}}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,math,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.18.10"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .reflectbox{display:inline-block;transform:scaleX(-1)}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}@layer theme{:root,:host{--font-sans:"DM Sans Variable", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"JetBrains Mono", "SFMono-Regular", Consolas, monospace;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--color-canvas:#f6f7fb;--color-surface:#fff;--color-panel:#fbfcff;--color-panel-strong:#f0f3f9;--color-line:#dde2ec;--color-line-strong:#c9d0de;--color-ink:#171b27;--color-muted:#5f6678;--color-dim:#949bad;--color-accent:#6657e8;--color-accent-strong:#5748d1;--color-accent-mark:#a084ff;--color-accent-soft:#6657e81a;--color-success:#13a87a;--color-success-soft:#13a87a1c;--color-warning:#db8a06;--color-warning-soft:#db8a061f;--color-danger:#df3e46;--color-danger-soft:#df3e461c;--color-info:#2774d8;--color-info-soft:#2774d81c;--color-code-surface:#202432;--color-code-ink:#eef0f7;--color-code-comment:#a8b0c2;--color-code-keyword:#b9a8ff;--color-code-literal:#89d8c1;--color-code-number:#f1bc74;--radius-control:8px;--radius-panel:10px;--radius-frame:14px;--shadow-elevated:0 14px 32px #1f243314;--shadow-menu:0 10px 28px #1f243324;--shadow-product-mark:0 8px 18px #6657e838;--focus-ring:0 0 0 3px #6657e842;--space-page:22px;--sidebar-width:236px;--topbar-height:56px}}@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,ui-sans-serif, system-ui, 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{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}*{box-sizing:border-box}html{background:var(--color-canvas);color:var(--color-ink);font-family:var(--font-sans);text-rendering:optimizelegibility}body{min-width:320px;min-height:100vh;margin:0}button,a,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{border-radius:var(--radius-control);box-shadow:var(--focus-ring);outline-offset:2px;outline:2px solid #0000}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}}@layer components{.app-canvas{background:radial-gradient(circle at 12% 0%, var(--color-accent-soft), transparent 30%), linear-gradient(180deg, var(--color-surface), var(--color-canvas));min-height:100svh;padding:0}.app-frame{grid-template-columns:var(--sidebar-width) minmax(0, 1fr);background:var(--color-surface);border-radius:0;min-height:100svh;animation:.18s both shell-enter;display:grid;overflow:hidden}.skip-link{z-index:100;border-radius:var(--radius-control);color:var(--color-surface);background:var(--color-accent);padding:9px 12px;font-size:12px;font-weight:800;transition:transform .14s;position:fixed;top:8px;left:8px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.shell-sidebar{z-index:30;border-right:1px solid var(--color-line);background:var(--color-surface);flex-direction:column;gap:18px;min-height:100%;padding:18px 14px;display:flex;position:relative}.shell-brand{align-items:center;gap:10px;min-height:40px;padding:0 6px 8px;display:flex}.product-mark{border-radius:var(--radius-control);width:32px;height:32px;color:var(--color-surface);background:linear-gradient(135deg, var(--color-accent), var(--color-accent-mark));box-shadow:var(--shadow-product-mark);flex:none;place-items:center;font-size:15px;font-weight:800;display:grid}.shell-brand__copy{min-width:0}.shell-brand__copy strong{text-overflow:ellipsis;white-space:nowrap;font-size:15px;display:block;overflow:hidden}.shell-brand__copy span{color:var(--color-dim);margin-top:2px;font-size:11px;display:block}.ui-button.shell-sidebar__close{margin-left:auto;display:none}.shell-nav{flex:1;grid-template-rows:auto minmax(0,1fr) auto;gap:12px;min-height:0;display:grid}.shell-nav__section{gap:4px;display:grid}.shell-course-nav{overscroll-behavior:contain;scrollbar-color:var(--color-line-strong) transparent;scrollbar-width:thin;align-content:start;min-height:0;padding-right:2px;overflow-y:auto}.shell-course-nav__heading{justify-content:space-between;align-items:center;gap:8px;display:flex}.shell-course-nav__count{min-width:20px;color:var(--color-dim);background:var(--color-panel-strong);font-family:var(--font-mono);text-align:center;border-radius:999px;padding:2px 6px;font-size:9px}.shell-course-link{border-radius:var(--radius-control);min-width:0;height:34px;color:var(--color-muted);align-items:center;gap:8px;padding:0 7px;font-size:11px;font-weight:700;text-decoration:none;transition:color .15s,background .15s;display:flex}.shell-course-link:hover{color:var(--color-ink);background:var(--color-panel-strong)}.shell-course-link--active{color:var(--color-accent-strong);background:var(--color-accent-soft)}.shell-course-link__mark{border:1px solid var(--color-line);width:22px;height:22px;color:var(--color-accent);background:var(--color-surface);border-radius:6px;flex:none;place-items:center;font-size:9px;font-weight:900;display:grid}.shell-course-link--active .shell-course-link__mark{border-color:#6657e842}.shell-course-link__name{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.shell-course-link__chevron{width:13px;color:var(--color-dim);margin-left:auto}.shell-course-nav__empty{color:var(--color-dim);margin:1px 8px 3px;font-size:10px;line-height:1.45}.shell-course-nav__loading{gap:7px;padding:7px;display:grid}.shell-course-nav__loading span{background:linear-gradient(90deg, var(--color-panel), var(--color-panel-strong), var(--color-panel));background-size:220% 100%;border-radius:6px;height:26px;animation:1.25s ease-in-out infinite skeleton-slide}.shell-course-nav__retry{border-radius:var(--radius-control);color:var(--color-danger);background:var(--color-danger-soft);cursor:pointer;text-align:left;border:0;gap:2px;margin:0;padding:8px;font-size:10px;font-weight:800;display:grid}.shell-course-nav__retry small{font-size:9px;font-weight:700}.shell-nav__label{color:var(--color-dim);font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase;margin:0;padding:8px 8px 5px;font-size:10px}.shell-nav__link{border-radius:var(--radius-control);height:34px;color:var(--color-muted);align-items:center;gap:9px;padding:0 9px;font-size:12px;font-weight:700;text-decoration:none;transition:color .15s,background .15s;display:flex}.shell-nav__link:hover{color:var(--color-ink);background:var(--color-panel-strong)}.shell-nav__link--active{color:var(--color-accent);background:var(--color-accent-soft)}.credit-summary{border:1px solid var(--color-line);border-radius:var(--radius-panel);background:var(--color-panel);margin-top:auto;padding:12px}.credit-summary__heading{justify-content:space-between;align-items:center;gap:8px;display:flex}.credit-summary__heading strong{font-size:12px}.credit-summary__track{background:var(--color-line);border-radius:999px;height:7px;margin-top:10px;overflow:hidden}.credit-summary__track span{border-radius:inherit;background:var(--color-accent);width:0;height:100%;display:block}.credit-summary p{color:var(--color-dim);margin:8px 0 0;font-size:10px;line-height:1.45}.shell-workspace{background:var(--color-canvas);flex-direction:column;min-width:0;display:flex}.shell-topbar{min-height:var(--topbar-height);padding:8px var(--space-page);border-bottom:1px solid var(--color-line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ffffffdb;justify-content:space-between;align-items:center;gap:14px;display:flex}.shell-topbar__title,.shell-topbar__actions{align-items:center;gap:8px;display:flex}.shell-topbar__title{min-width:0}.shell-topbar__title h1{color:var(--color-ink);margin:0;font-size:16px;line-height:1.2}.shell-topbar__title p{color:var(--color-dim);text-overflow:ellipsis;white-space:nowrap;margin:3px 0 0;font-size:11px;overflow:hidden}.ui-button.shell-topbar__menu{display:none}.shell-content{padding:var(--space-page);flex:1}.app-frame--document{grid-template-columns:minmax(0,1fr)}.app-frame--document .mobile-scrim{z-index:40;visibility:hidden;opacity:0;background:#171b276b;transition:opacity .16s,visibility .16s;position:fixed;inset:0}.app-frame--document .mobile-scrim--visible{visibility:visible;opacity:1}.shell-sidebar--document{z-index:50;visibility:hidden;width:min(286px,100vw - 44px);height:100svh;min-height:0;box-shadow:var(--shadow-menu);align-items:stretch;transition:transform .18s,visibility .18s;position:fixed;inset:0 auto 0 0;transform:translate(-105%)}.shell-sidebar--document.shell-sidebar--open{visibility:visible;transform:translate(0)}.shell-sidebar--document.shell-sidebar--open .shell-brand__copy,.shell-sidebar--document.shell-sidebar--open .shell-nav__label,.shell-sidebar--document.shell-sidebar--open .shell-nav__link span,.shell-sidebar--document.shell-sidebar--open .shell-course-nav__count,.shell-sidebar--document.shell-sidebar--open .shell-course-link__name,.shell-sidebar--document.shell-sidebar--open .shell-course-link__chevron,.shell-sidebar--document.shell-sidebar--open .shell-course-nav__empty,.shell-sidebar--document.shell-sidebar--open .shell-course-nav__retry span,.shell-sidebar--document.shell-sidebar--open .shell-course-nav__retry small,.shell-sidebar--document.shell-sidebar--open .credit-summary{display:block}.shell-sidebar--document.shell-sidebar--open :is(.shell-nav__link,.shell-course-link,.shell-course-nav__retry){justify-content:flex-start;width:auto}.shell-sidebar--document .shell-sidebar__close{display:inline-flex}.shell-topbar--document{min-height:calc(48px + env(safe-area-inset-top));padding:calc(6px + env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) 6px max(12px, env(safe-area-inset-left))}.shell-topbar--document .shell-topbar__title p{display:none}.ui-button.shell-topbar__menu--document{display:inline-flex}.shell-content--document{min-height:0;padding:0;overflow:hidden}.ui-icon{flex:none;width:16px;height:16px}.ui-button{border-radius:var(--radius-control);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;height:34px;padding:0 12px;font-size:12px;font-weight:800;line-height:1;text-decoration:none;transition:transform .15s,background .15s,border-color .15s,color .15s;display:inline-flex}.ui-button:hover:not(:disabled){transform:translateY(-1px)}.ui-button:disabled{cursor:not-allowed;opacity:.52}.ui-button--primary{color:var(--color-surface);background:var(--color-accent)}.ui-button--primary:hover:not(:disabled){background:var(--color-accent-strong)}.ui-button--secondary,.ui-button--icon{color:var(--color-ink);border-color:var(--color-line);background:var(--color-surface)}.ui-button--secondary:hover:not(:disabled),.ui-button--icon:hover:not(:disabled){border-color:var(--color-line-strong);background:var(--color-panel)}.ui-button--ghost{color:var(--color-muted);background:0 0}.ui-button--ghost:hover:not(:disabled){color:var(--color-ink);background:var(--color-panel-strong)}.ui-button--icon{flex:none;width:34px;padding:0}.ui-field{gap:6px;display:grid}.ui-field__label{color:var(--color-muted);font-size:11px;font-weight:700}.ui-input{border:1px solid var(--color-line);border-radius:var(--radius-control);width:100%;height:36px;color:var(--color-ink);background:var(--color-surface);padding:0 11px;font-size:12px;transition:border-color .15s,box-shadow .15s}.ui-input:hover{border-color:var(--color-line-strong)}.ui-input:focus{border-color:var(--color-accent);box-shadow:var(--focus-ring);outline:0}.ui-input[aria-invalid=true]{border-color:var(--color-danger)}.ui-input[readonly]{color:var(--color-muted);background:var(--color-panel)}.ui-field__hint{color:var(--color-dim);font-size:10px}.ui-field__error{color:var(--color-danger);font-size:10px;font-weight:700}.ui-status{white-space:nowrap;border-radius:999px;align-items:center;gap:6px;min-height:24px;padding:4px 8px;font-size:10px;font-weight:800;display:inline-flex}.ui-status__dot{background:currentColor;border-radius:999px;width:6px;height:6px}.ui-status--accent{color:var(--color-accent);background:var(--color-accent-soft)}.ui-status--success{color:var(--color-success);background:var(--color-success-soft)}.ui-status--warning{color:var(--color-warning);background:var(--color-warning-soft)}.ui-status--danger{color:var(--color-danger);background:var(--color-danger-soft)}.ui-status--info{color:var(--color-info);background:var(--color-info-soft)}.ui-menu{position:relative}.account-avatar{width:22px;height:22px;color:var(--color-accent);background:var(--color-accent-soft);border-radius:6px;place-items:center;font-size:9px;font-weight:900;display:grid}.ui-menu__content{z-index:40;border:1px solid var(--color-line);border-radius:var(--radius-panel);background:var(--color-surface);width:180px;box-shadow:var(--shadow-menu);padding:5px;animation:.13s both menu-enter;display:grid;position:absolute;top:calc(100% + 7px);right:0}.ui-menu__item{min-height:34px;color:var(--color-muted);cursor:pointer;text-align:left;background:0 0;border:0;border-radius:6px;padding:0 9px;font-size:12px;font-weight:700}.ui-menu__item:hover,.ui-menu__item:focus-visible{color:var(--color-ink);background:var(--color-panel-strong)}.ui-dialog{width:min(460px,100vw - 28px);max-width:none;color:var(--color-ink);box-shadow:var(--shadow-elevated);background:0 0;border:0;border-radius:12px;margin:0;padding:0;position:fixed;inset:50% auto auto 50%;overflow:visible;transform:translate(-50%,-50%)}.ui-dialog::backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#171b2770}.ui-dialog[open]{animation:.16s both dialog-enter}.ui-dialog__surface{border:1px solid var(--color-line);border-radius:inherit;background:var(--color-surface);padding:18px}.ui-dialog__header{justify-content:space-between;align-items:start;gap:20px;display:flex}.ui-dialog__header h2{margin:0;font-size:17px}.ui-dialog__header p{color:var(--color-muted);margin:5px 0 0;font-size:12px;line-height:1.5}.ui-dialog__form{gap:14px;margin-top:18px;display:grid}.ui-dialog__actions{justify-content:flex-end;gap:8px;padding-top:3px;display:flex}.ui-tabs__list{border-bottom:1px solid var(--color-line);gap:3px;display:flex;overflow-x:auto}.ui-tabs__tab{height:38px;color:var(--color-muted);cursor:pointer;background:0 0;border:0;padding:0 12px;font-size:12px;font-weight:700;position:relative}.ui-tabs__tab:after{content:"";background:0 0;border-radius:2px;height:2px;position:absolute;bottom:-1px;left:10px;right:10px}.ui-tabs__tab[aria-selected=true]{color:var(--color-accent)}.ui-tabs__tab[aria-selected=true]:after{background:var(--color-accent)}.ui-tabs__panel{min-height:210px;padding:4px 0}.home-course-list{display:grid}.home-course-list a{border-bottom:1px solid var(--color-line);min-height:54px;color:var(--color-ink);grid-template-columns:30px minmax(0,1fr) 16px;align-items:center;gap:11px;padding:10px 6px;font-size:12px;text-decoration:none;transition:color .15s,padding .15s;display:grid}.home-course-list a:last-child{border-bottom:0}.home-course-list a:hover{color:var(--color-accent-strong);padding-inline:9px 3px}.home-course-list a>span{border-radius:var(--radius-control);width:30px;height:30px;color:var(--color-accent);background:var(--color-accent-soft);place-items:center;font-size:10px;font-weight:900;display:grid}.page-stack{gap:24px;display:grid}.course-route-notice{border-left:3px solid var(--color-info);border-radius:0 var(--radius-control) var(--radius-control) 0;color:var(--color-muted);background:var(--color-info-soft);margin:0;padding:10px 12px;font-size:11px;font-weight:700}.course-list-heading{align-items:center;margin-bottom:12px}.course-list{border:1px solid var(--color-line);border-radius:var(--radius-panel);background:var(--color-surface);overflow:hidden}.course-list-row{border-bottom:1px solid var(--color-line);min-height:68px;color:var(--color-ink);grid-template-columns:34px minmax(0,1fr) auto 18px;align-items:center;gap:12px;padding:11px 14px;text-decoration:none;transition:background .15s;display:grid}.course-list-row:last-child{border-bottom:0}.course-list-row:hover{background:var(--color-panel)}.course-list-row__mark{border-radius:var(--radius-control);width:34px;height:34px;color:var(--color-surface);background:linear-gradient(135deg, var(--color-accent), var(--color-accent-mark));place-items:center;font-size:13px;font-weight:900;display:grid}.course-list-row__copy{min-width:0}.course-list-row__copy strong,.course-list-row__copy small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.course-list-row__copy strong{font-size:12px}.course-list-row__copy small{color:var(--color-dim);margin-top:3px;font-size:10px}.course-list-row__status{color:var(--color-muted);background:var(--color-panel-strong);white-space:nowrap;border-radius:999px;padding:4px 8px;font-size:9px;font-weight:800}.course-list-row__status--info{color:var(--color-info);background:var(--color-info-soft)}.course-list-row__status--success{color:var(--color-success);background:var(--color-success-soft)}.course-list-row__status--danger{color:var(--color-danger);background:var(--color-danger-soft)}.course-route-recovery{min-height:280px;color:var(--color-muted);place-items:center;font-size:12px;display:grid}.course-overview{border-bottom:1px solid var(--color-line);justify-content:space-between;align-items:end;gap:22px;padding:4px 0 18px;display:flex}.course-overview h2{letter-spacing:-.03em;margin:7px 0 0;font-size:clamp(23px,3vw,31px);line-height:1.1}.course-overview>div>p:not(.eyebrow){max-width:600px;color:var(--color-muted);margin:8px 0 0;font-size:12px;line-height:1.5}.course-overview__actions{flex:none;gap:6px;display:flex}.course-delete-button{color:var(--color-danger)}.course-primary-section{border:1px solid var(--color-line);border-radius:var(--radius-panel);background:var(--color-surface);padding:18px}.document-section__heading{align-items:center}.document-section__heading .ui-button{flex:none}.document-upload{border:1px solid var(--color-info);border-radius:var(--radius-control);background:var(--color-info-soft);grid-template-columns:38px minmax(0,1fr) auto;align-items:center;gap:12px;margin-top:14px;padding:13px 14px;display:grid}.document-upload--oversized,.document-upload--error{background:var(--color-danger-soft);border-color:#df3e4659}.document-upload--canceled{border-color:var(--color-line-strong);background:var(--color-panel)}.document-upload__body{min-width:0}.document-upload__body>div:first-child{align-items:baseline;gap:8px;min-width:0;display:flex}.document-upload__body strong{text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.document-upload__body span,.document-upload__body small{color:var(--color-muted);font-size:10px}.document-upload__body small{margin-top:5px;line-height:1.4;display:block}.document-progress,.document-processing-line{background:#2774d824;border-radius:999px;height:4px;position:relative;overflow:hidden}.document-progress{margin-top:8px}.document-progress span,.document-processing-line span{border-radius:inherit;background:var(--color-info);height:100%;transition:width .16s;display:block}.document-action-error{border-radius:var(--radius-control);color:#a6202a;background:var(--color-danger-soft);margin:12px 0 0;padding:9px 10px;font-size:11px;font-weight:700}.document-list{border-top:1px solid var(--color-line);margin-top:14px}.document-row{border-bottom:1px solid var(--color-line);grid-template-columns:38px minmax(0,1fr) auto;align-items:center;gap:12px;min-width:0;padding:14px 2px;display:grid}.document-row:last-child{border-bottom:0;padding-bottom:2px}.document-row__icon{border-radius:var(--radius-control);width:38px;height:38px;color:var(--color-info);background:var(--color-info-soft);place-items:center;display:grid}.document-row--ready .document-row__icon{color:var(--color-success);background:var(--color-success-soft)}.document-row--warning .document-row__icon{color:var(--color-warning);background:var(--color-warning-soft)}.document-row--failed .document-row__icon{color:var(--color-danger);background:var(--color-danger-soft)}.document-row__main{min-width:0}.document-row__title{align-items:center;gap:8px;min-width:0;display:flex}.document-row__title strong{text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.document-row__main p{color:var(--color-muted);margin:4px 0 0;font-size:10px;line-height:1.45}.document-row__main small{color:var(--color-dim);font-family:var(--font-mono);margin-top:5px;font-size:9px;display:block}.document-processing-line{max-width:280px;margin-top:8px}.document-processing-line span{width:42%;animation:1.2s ease-in-out infinite document-processing}.document-row__actions{align-items:center;gap:4px;display:flex}.course-empty-row{border:1px dashed var(--color-line-strong);border-radius:var(--radius-control);background:var(--color-panel);grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:12px;min-height:92px;margin-top:14px;padding:14px;display:grid}.course-empty-row__icon,.course-artifact-section>span{border-radius:var(--radius-control);width:38px;height:38px;color:var(--color-accent);background:var(--color-accent-soft);place-items:center;display:grid}.course-empty-row strong{font-size:12px}.course-empty-row p{color:var(--color-dim);margin:3px 0 0;font-size:10px}.course-section-grid{border:1px solid var(--color-line);border-radius:var(--radius-panel);background:var(--color-surface);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.course-artifact-section{border-right:1px solid var(--color-line);grid-template-columns:38px minmax(0,1fr);gap:12px;min-width:0;padding:18px;display:grid}.course-artifact-section:last-child{border-right:0}.course-artifact-section h2{margin:0;font-size:13px}.course-artifact-section p{color:var(--color-muted);margin:4px 0 0;font-size:10px;line-height:1.45}.course-artifact-section small{color:var(--color-dim);font-family:var(--font-mono);grid-column:2;font-size:9px}.course-recent-list{grid-column:2;gap:2px;min-width:0;margin:0;padding:0;list-style:none;display:grid}.course-recent-list a{min-width:0;color:var(--color-ink);align-items:center;gap:6px;padding:3px 0;font-size:11px;font-weight:650;text-decoration:none;display:flex}.course-recent-list a svg{width:12px;height:12px;color:var(--color-accent);flex:none}.course-recent-list a span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.course-recent-list a:hover{color:var(--color-accent-strong)}.home-course-list a>.home-recent-item__copy{place-items:initial;width:auto;min-width:0;height:auto;color:inherit;background:0 0;font-size:12px;font-weight:400;display:grid}.home-recent-item__copy strong,.home-recent-item__copy small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.home-recent-item__copy small{color:var(--color-dim);margin-top:2px;font-size:10px;font-weight:500}.course-artifact-section--link{color:inherit;text-decoration:none;transition:background .15s,color .15s}.course-artifact-section--link:hover{color:var(--color-accent-strong);background:var(--color-panel)}.notes-page{min-height:calc(100svh - var(--topbar-height) - (2 * var(--space-page)));flex-direction:column;gap:14px;display:flex}.notes-page__heading{border-bottom:1px solid var(--color-line);justify-content:space-between;align-items:end;gap:20px;padding-bottom:14px;display:flex}.notes-page__heading h2{letter-spacing:-.025em;margin:6px 0 0;font-size:clamp(21px,2.4vw,27px)}.notes-page__heading>div>p:last-child{color:var(--color-muted);margin:6px 0 0;font-size:11px}.notes-page__actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:7px;display:flex}.notes-page__actions>.ui-button{white-space:nowrap}.notes-page__notice{border-left:3px solid var(--color-danger);border-radius:0 var(--radius-control) var(--radius-control) 0;color:var(--color-danger);background:var(--color-danger-soft);margin:0;padding:9px 11px;font-size:11px;font-weight:700}.notes-pdf-export{border:1px solid var(--color-line);border-radius:var(--radius-panel);background:var(--color-panel);align-items:center;gap:16px;min-height:58px;padding:10px 12px;display:flex}.notes-pdf-export__copy{flex:1;gap:2px;min-width:190px;display:grid}.notes-pdf-export__copy strong{font-size:12px}.notes-pdf-export__copy span,.notes-pdf-export__option,.notes-pdf-export__state{color:var(--color-muted);font-size:10px;line-height:1.45}.notes-pdf-export__option{white-space:nowrap;align-items:center;gap:7px;display:inline-flex}.notes-pdf-export__option input{width:15px;height:15px;accent-color:var(--color-accent);margin:0}.notes-pdf-export__state{color:var(--color-info);align-items:center;gap:5px;font-weight:700;display:inline-flex}.notes-pdf-export__state--failed{color:var(--color-danger)}.notes-pdf-export__actions{align-items:center;gap:8px;display:flex}.notes-workspace{--notes-list-width:224px;--notes-sources-width:272px;border:1px solid var(--color-line);border-radius:var(--radius-panel);background:var(--color-surface);flex:1 1 0;grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,1fr);min-height:460px;display:grid;position:relative;overflow:hidden}.notes-workspace--list-open{grid-template-columns:var(--notes-list-width) minmax(0, 1fr)}.notes-workspace--sources-open{grid-template-columns:minmax(0, 1fr) var(--notes-sources-width)}.notes-workspace--list-open.notes-workspace--sources-open{grid-template-columns:var(--notes-list-width) minmax(0, 1fr) var(--notes-sources-width)}.note-list-panel,.note-sources-panel{background:var(--color-panel);flex-direction:column;min-width:0;min-height:0;display:flex}.note-list-panel[hidden],.note-sources-panel[hidden]{display:none}.note-list-panel:focus-visible,.note-sources-panel:focus-visible{box-shadow:inset var(--focus-ring);outline:0}.note-list-panel--overlay,.note-sources-panel--overlay{z-index:6;width:min(300px,100% - 44px);box-shadow:var(--shadow-menu);animation:.16s both notes-drawer-enter;position:absolute;top:0;bottom:0}.note-list-panel--overlay{--notes-drawer-from:-12px;left:0}.note-sources-panel--overlay{--notes-drawer-from:12px;right:0}.notes-workspace__scrim{z-index:5;background:#171b2747;position:absolute;inset:0}.note-list-panel__header,.note-sources-panel__header{flex:none}.note-list-panel{border-right:1px solid var(--color-line)}.note-sources-panel{border-left:1px solid var(--color-line)}.note-list-panel__header,.note-sources-panel__header{border-bottom:1px solid var(--color-line);justify-content:space-between;align-items:center;gap:10px;min-height:45px;padding:0 13px;display:flex}.note-list-panel__header strong,.note-sources-panel__header strong{font-size:11px}.note-list-panel__header span,.note-sources-panel__header span{min-width:20px;color:var(--color-dim);background:var(--color-panel-strong);font-family:var(--font-mono);text-align:center;border-radius:999px;padding:2px 6px;font-size:9px}.note-list{scrollbar-color:var(--color-line-strong) transparent;scrollbar-width:thin;flex:1;min-height:0;overflow-y:auto}.note-list__item{border:0;border-bottom:1px solid var(--color-line);width:100%;color:var(--color-ink);cursor:pointer;text-align:left;background:0 0;gap:4px;padding:12px 13px;transition:background .14s;display:grid}.note-list__item:hover{background:var(--color-surface)}.note-list__item[aria-current=page]{box-shadow:inset 3px 0 var(--color-accent);background:var(--color-accent-soft)}.note-list__item strong,.note-list__item span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.note-list__item strong{font-size:11px}.note-list__item span{color:var(--color-muted);font-size:10px}.note-list__item small{color:var(--color-dim);font-family:var(--font-mono);font-size:8px}.note-list-panel__empty,.note-editor-panel__empty{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:270px;padding:24px 16px;display:flex}.note-list-panel__empty>.ui-icon,.note-editor-panel__empty>.ui-icon{border-radius:var(--radius-control);width:32px;height:32px;color:var(--color-accent);background:var(--color-accent-soft);margin-bottom:11px;padding:7px}.note-list-panel__empty strong,.note-editor-panel__empty h3{margin:0;font-size:12px}.note-list-panel__empty p,.note-editor-panel__empty p{color:var(--color-muted);margin:5px 0 12px;font-size:10px;line-height:1.5}.note-editor-panel{--note-measure:880px;--note-gutter:max(26px, calc((100% - var(--note-measure)) / 2));background:var(--color-surface);flex-direction:column;min-width:0;min-height:0;display:flex}.note-editor-panel__lead{align-items:center;gap:6px;min-width:0;display:flex}.ui-button.notes-panel-toggle{flex:none;gap:6px;height:30px;padding:0 8px;font-size:10px}.ui-button.notes-panel-toggle[aria-expanded=true]{color:var(--color-accent-strong);background:var(--color-accent-soft)}.note-editor-panel__toolbar{border-bottom:1px solid var(--color-line);flex-wrap:wrap;flex:none;justify-content:space-between;align-items:center;gap:12px;min-height:45px;padding:6px 10px;display:flex}.note-mode-switch{border-radius:var(--radius-control);background:var(--color-panel-strong);gap:2px;padding:2px;display:flex}.note-mode-switch button{height:26px;color:var(--color-muted);cursor:pointer;background:0 0;border:0;border-radius:6px;padding:0 9px;font-size:10px;font-weight:800}.note-mode-switch button[aria-selected=true]{color:var(--color-accent-strong);background:var(--color-surface);box-shadow:0 1px 3px #1f243314}.note-editor-panel__actions{align-items:center;gap:5px;margin-left:auto;display:flex}.note-editor-panel__actions .ui-button{white-space:nowrap}.note-save-status{color:var(--color-dim);white-space:nowrap;align-items:center;gap:6px;font-size:9px;font-weight:750;display:inline-flex}.note-save-status>span{background:currentColor;border-radius:999px;width:6px;height:6px}.note-save-status--saving,.note-save-status--dirty{color:var(--color-warning)}.note-save-status--saved,.note-save-status--clean{color:var(--color-success)}.note-save-status--error,.note-save-status--conflict{color:var(--color-danger)}.note-save-status--saving>span{animation:.8s ease-in-out infinite alternate note-save-pulse}.note-delete-button{color:var(--color-danger)}.note-save-banner{border-bottom:1px solid;justify-content:space-between;align-items:center;gap:14px;padding:10px 12px;font-size:10px;display:flex}.note-save-banner--error{color:var(--color-danger);background:var(--color-danger-soft);border-color:#df3e462e}.note-save-banner--conflict{color:var(--color-warning);background:var(--color-warning-soft);border-color:#db8a0633}.note-save-banner strong,.note-save-banner p{margin:0;display:block}.note-save-banner p{color:var(--color-muted);margin-top:2px}.note-save-banner>div:last-child{flex:none;gap:5px;display:flex}.note-title-field{padding:22px var(--note-gutter) 0;flex:none;display:block}.note-title-field input{border:0;border-bottom:1px solid var(--color-line);width:100%;color:var(--color-ink);letter-spacing:-.025em;background:0 0;padding:0 0 12px;font-size:clamp(20px,2.6vw,27px);font-weight:800}.note-title-field input:focus{border-bottom-color:var(--color-accent);outline:0}.note-writing-surface,.note-preview{min-height:0;padding:18px var(--note-gutter) 24px;flex-direction:column;flex:1;display:flex}.note-writing-surface>label{color:var(--color-dim);font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase;margin-bottom:7px;font-size:9px;font-weight:700}.note-writing-surface textarea{resize:none;width:100%;min-height:240px;color:var(--color-ink);font-family:var(--font-mono);background:0 0;border:0;flex:1;padding:0;font-size:12px;line-height:1.7}.note-writing-surface textarea:focus-visible{border-radius:var(--radius-control);box-shadow:var(--focus-ring);outline-offset:4px;outline:2px solid #0000}.note-writing-surface__footer{border-top:1px solid var(--color-line);color:var(--color-dim);justify-content:space-between;gap:12px;padding-top:11px;font-size:8px;display:flex}.note-preview{overflow:auto}.note-preview .markdown-content{font-size:13px}.note-citation-missing{color:var(--color-danger);background:var(--color-danger-soft);border-radius:999px;padding:1px 5px}.note-source-list{flex:1;align-content:start;min-height:0;margin:0;padding:0;list-style:none;display:grid;overflow-y:auto}.note-sources-panel>.ui-button{width:calc(100% - 26px);margin:10px 13px 0}.note-source-list li{border-bottom:1px solid var(--color-line);gap:8px;padding:12px 13px;display:grid}.note-source-list li>div{justify-content:space-between;align-items:center;gap:8px;display:flex}.note-source-list li>div span{color:var(--color-dim);font-family:var(--font-mono);text-transform:uppercase;font-size:8px;font-weight:800}.note-source-list a,.note-sources-panel__empty a{color:var(--color-accent-strong);font-size:10px;font-weight:800}.note-source-list q{color:var(--color-muted);-webkit-line-clamp:4;-webkit-box-orient:vertical;font-size:10px;font-style:normal;line-height:1.5;display:-webkit-box;overflow:hidden}.note-source-list small,.note-source-list p{color:var(--color-dim);margin:0;font-size:9px;line-height:1.45}.note-source-list__actions{justify-content:flex-start!important}.note-source-list__actions .ui-button:last-child{color:var(--color-danger)}.note-source-form,.pdf-note-capture{gap:13px;margin-top:16px;display:grid}.note-source-form label,.pdf-note-capture label{color:var(--color-muted);gap:6px;font-size:10px;font-weight:800;display:grid}.note-source-form input,.note-source-form select,.note-source-form textarea,.pdf-note-capture input,.pdf-note-capture select{border:1px solid var(--color-line-strong);border-radius:var(--radius-control);width:100%;min-height:36px;color:var(--color-ink);background:var(--color-surface);font:inherit;padding:8px 10px}.note-source-form textarea{resize:vertical;min-height:86px}.note-source-error,.pdf-note-capture__error{border-radius:var(--radius-control);color:var(--color-danger);background:var(--color-danger-soft);margin:0;padding:8px 9px;font-size:10px;line-height:1.45}.note-source-list .ui-button{justify-self:start;height:27px;padding-inline:7px;font-size:9px}.note-sources-panel__empty{padding:18px 13px}.note-sources-panel__empty p{color:var(--color-muted);margin:0 0 8px;font-size:10px;line-height:1.5}.note-delete-dialog,.note-generate-dialog{gap:14px;margin-top:18px;display:grid}.note-generate-dialog label{color:var(--color-muted);gap:6px;font-size:10px;font-weight:800;display:grid}.note-generate-dialog select,.note-generate-dialog textarea{border:1px solid var(--color-line-strong);border-radius:var(--radius-control);width:100%;color:var(--color-ink);background:var(--color-surface);font:inherit}.note-generate-dialog select{height:36px;padding:0 10px}.note-generate-dialog textarea{resize:vertical;min-height:90px;padding:9px 10px;line-height:1.5}.note-generate-dialog__privacy{border-left:3px solid var(--color-accent);color:var(--color-muted);background:var(--color-accent-soft);margin:0;padding:9px 10px;font-size:10px;line-height:1.5}.note-generate-dialog__ready{border:1px solid var(--color-success);border-radius:var(--radius-control);color:var(--color-ink);background:var(--color-success-soft);gap:4px;padding:11px 12px;display:grid}.note-generate-dialog__ready p{color:var(--color-muted);margin:0;font-size:10px;line-height:1.5}.note-generate-dialog__error{color:var(--color-danger);margin:0;font-size:10px;font-weight:700}.note-delete-dialog>p{border-radius:var(--radius-control);color:var(--color-danger);background:var(--color-danger-soft);margin:0;padding:9px 10px;font-size:11px}.course-mutation-error{border-radius:var(--radius-control);color:#a6202a;background:var(--color-danger-soft);margin:0;padding:9px 10px;font-size:11px;font-weight:700}.ui-button.course-delete-confirm,.ui-button.chat-threads__delete-confirm{background:var(--color-danger)}.ui-button.course-delete-confirm:hover:not(:disabled),.ui-button.chat-threads__delete-confirm:hover:not(:disabled){background:#c9343c}.welcome-panel{border:1px solid var(--color-line);background:var(--color-surface);border-radius:12px;grid-template-columns:minmax(0,1fr) minmax(280px,.75fr);gap:34px;padding:28px;display:grid}.eyebrow{color:var(--color-accent);font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;margin:0;font-size:10px;font-weight:700}.welcome-panel__copy h2{letter-spacing:-.025em;margin:8px 0 0;font-size:clamp(22px,3vw,30px);line-height:1.1}.welcome-panel__copy>p:not(.eyebrow){max-width:520px;color:var(--color-muted);margin:11px 0 18px;font-size:13px;line-height:1.55}.setup-steps{align-content:center;gap:0;margin:0;padding:0;list-style:none;display:grid}.setup-steps li{border-bottom:1px solid var(--color-line);grid-template-columns:30px 1fr;gap:10px;padding:12px 0;display:grid}.setup-steps li:last-child{border-bottom:0}.setup-steps li>span{width:26px;height:26px;color:var(--color-accent);background:var(--color-accent-soft);font-family:var(--font-mono);border-radius:999px;place-items:center;font-size:10px;font-weight:800;display:grid}.setup-steps strong{font-size:12px;display:block}.setup-steps p{color:var(--color-dim);margin:3px 0 0;font-size:11px}.section-heading{justify-content:space-between;align-items:end;gap:16px;margin-bottom:6px;display:flex}.section-heading h2{margin:0;font-size:14px}.section-heading p{color:var(--color-dim);margin:4px 0 0;font-size:11px}.workspace-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:260px;padding:36px 18px;display:flex}.workspace-state__icon{width:42px;height:42px;color:var(--color-accent);background:var(--color-accent-soft);font-family:var(--font-mono);border-radius:12px;place-items:center;margin-bottom:13px;font-size:12px;font-weight:800;display:grid}.workspace-state--error .workspace-state__icon{color:var(--color-danger);background:var(--color-danger-soft)}.workspace-state h2{margin:0;font-size:16px}.workspace-state p{max-width:430px;color:var(--color-muted);margin:7px 0 16px;font-size:12px;line-height:1.5}.state-skeleton{background:linear-gradient(90deg, var(--color-panel-strong), var(--color-line), var(--color-panel-strong));background-size:220% 100%;border-radius:6px;width:min(100%,440px);height:11px;margin:5px auto;animation:1.25s ease-in-out infinite skeleton-slide}.state-skeleton--title{width:min(56%,260px);height:16px}.state-skeleton--short{width:min(36%,160px)}.settings-layout{grid-template-columns:minmax(0,1fr) 310px;gap:18px;display:grid}.study-access-settings,.settings-main,.settings-aside-stack{align-content:start;gap:14px;display:grid}.settings-introduction{padding:3px 1px 8px}.settings-introduction h2{letter-spacing:-.025em;margin:7px 0 0;font-size:clamp(22px,3vw,28px)}.settings-introduction>p:not(.eyebrow){color:var(--color-muted);margin:7px 0 0;font-size:12px;line-height:1.5}.settings-panel{border:1px solid var(--color-line);border-radius:var(--radius-panel);background:var(--color-surface);padding:20px}.settings-panel__heading{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.settings-panel__heading h2,.privacy-panel h2{letter-spacing:-.012em;margin:6px 0 0;font-size:15px}.settings-panel__description,.privacy-panel p:not(.eyebrow){color:var(--color-muted);margin:9px 0 0;font-size:11px;line-height:1.55}.generation-paths{border:1px solid var(--color-line);border-radius:var(--radius-control);background:var(--color-panel);grid-template-columns:repeat(2,minmax(0,1fr));margin-top:16px;display:grid;overflow:hidden}.generation-paths>div{border-right:1px solid var(--color-line);min-width:0;padding:12px}.generation-paths>div:last-child{border-right:0}.generation-paths__active{background:var(--color-accent-soft)}.generation-paths strong,.generation-paths span{display:block}.generation-paths strong{font-size:11px}.generation-paths span{color:var(--color-muted);margin-top:3px;font-size:10px}.provider-key-status{border:1px solid var(--color-line);border-radius:var(--radius-control);background:var(--color-panel);justify-content:space-between;align-items:center;gap:14px;margin-top:16px;padding:12px;display:flex}.provider-key-status span,.provider-key-status strong{display:block}.provider-key-status span{color:var(--color-dim);letter-spacing:.04em;text-transform:uppercase;font-size:9px;font-weight:700}.provider-key-status strong{font-family:var(--font-mono);margin-top:4px;font-size:11px}.provider-key-form{gap:12px;margin-top:16px;display:grid}.provider-key-actions{flex-wrap:wrap;gap:7px;display:flex}.provider-key-remove{color:var(--color-danger)}.ui-button.provider-key-remove-confirm{background:var(--color-danger)}.ui-button.provider-key-remove-confirm:hover:not(:disabled){background:#c9343c}.settings-notice{border-radius:var(--radius-control);margin:12px 0 0;padding:9px 10px;font-size:11px;font-weight:700;line-height:1.45}.settings-notice--success{color:#087b59;background:var(--color-success-soft)}.settings-notice--danger{color:#a6202a;background:var(--color-danger-soft)}.credit-meter{background:var(--color-line);border-radius:999px;height:7px;margin-top:18px;overflow:hidden}.credit-meter>span{border-radius:inherit;background:var(--color-accent);height:100%;transition:width .18s;display:block}.credit-breakdown{gap:0;margin:14px 0 0;display:grid}.credit-breakdown>div{border-bottom:1px solid var(--color-line);justify-content:space-between;align-items:baseline;gap:12px;padding:9px 0;display:flex}.credit-breakdown dt{color:var(--color-muted);font-size:10px}.credit-breakdown dd{font-family:var(--font-mono);margin:0;font-size:10px;font-weight:800}.credit-panel__period{color:var(--color-dim);margin:11px 0 0;font-size:9px;line-height:1.45}.privacy-panel{border-left:3px solid var(--color-info)}.privacy-panel .eyebrow{color:var(--color-info)}.not-found-page{flex-direction:column;align-items:center;display:flex}.not-found-page__action{margin-top:-76px}.auth-shell{background:var(--color-canvas);grid-template-columns:minmax(0,1fr) minmax(390px,.72fr);min-height:100svh;display:grid}.auth-visual{border-right:1px solid var(--color-line);background:linear-gradient(145deg, #6657e821, #ffffff94 44%, #13a87a14), var(--color-surface);flex-direction:column;justify-content:space-between;gap:32px;min-width:0;padding:clamp(36px,5vw,68px);animation:.3s both auth-visual-enter;display:flex;overflow:hidden}.auth-brand{align-items:center;gap:11px;display:flex}.auth-brand strong,.auth-brand span{display:block}.auth-brand strong{font-size:15px}.auth-brand span{color:var(--color-dim);margin-top:2px;font-size:11px}.auth-visual>div>.eyebrow{margin-top:clamp(46px,9vh,94px)}.auth-visual h1{letter-spacing:-.045em;max-width:650px;margin:13px 0 15px;font-size:clamp(38px,5.4vw,68px);line-height:.98}.auth-visual__summary{max-width:530px;color:var(--color-muted);margin:0;font-size:14px;line-height:1.58}.auth-visual__footnote{color:var(--color-dim);font-family:var(--font-mono);margin:0;font-size:10px;line-height:1.5}.auth-panel{background:var(--color-canvas);place-items:center;min-width:0;padding:32px 24px;display:grid}.auth-card{border:1px solid var(--color-line);background:var(--color-surface);width:min(100%,420px);box-shadow:var(--shadow-elevated);border-radius:12px;padding:24px;animation:.26s 50ms both auth-card-enter}.auth-card h2{letter-spacing:-.025em;margin:7px 0 0;font-size:24px}.auth-card__description{color:var(--color-muted);margin:7px 0 20px;font-size:12px;line-height:1.55}.auth-form{gap:14px;display:grid}.auth-form__between{justify-content:flex-end;margin-top:-4px;display:flex}.auth-form__between a,.auth-card__switch a{color:var(--color-accent-strong);font-weight:800;text-decoration:none}.auth-form__between a:hover,.auth-card__switch a:hover{text-underline-offset:3px;text-decoration:underline}.auth-form__between a{font-size:11px}.ui-button.auth-form__submit{width:100%;height:auto;min-height:38px}.auth-card__switch{border-top:1px solid var(--color-line);color:var(--color-muted);text-align:center;margin:18px 0 0;padding-top:16px;font-size:11px;line-height:1.55}.auth-alert{border-radius:var(--radius-control);margin-bottom:14px;padding:10px 11px;font-size:11px;font-weight:700;line-height:1.45}.auth-alert--danger{color:#a6202a;background:var(--color-danger-soft)}.auth-alert--success{color:#087b59;background:var(--color-success-soft)}.auth-alert--warning{color:#996005;background:var(--color-warning-soft)}.auth-form__meta{color:var(--color-dim);margin:-6px 0 0;font-size:10px}.auth-preview{transform-origin:bottom;background:#ffffffbd;border:1px solid #6657e833;border-radius:14px;max-width:690px;margin-top:clamp(34px,7vh,70px);animation:.36s .1s both auth-preview-enter;overflow:hidden;box-shadow:0 24px 60px #1f24331a}.auth-preview__topbar{border-bottom:1px solid var(--color-line);height:38px;color:var(--color-muted);font-family:var(--font-mono);justify-content:space-between;align-items:center;gap:12px;padding:0 12px;font-size:9px;display:flex}.auth-preview__status{color:var(--color-success);background:var(--color-success-soft);font-family:var(--font-sans);border-radius:999px;padding:4px 7px;font-weight:800}.auth-preview__body{grid-template-columns:74px minmax(180px,1fr) 190px;min-height:250px;display:grid}.auth-preview__rail{border-right:1px solid var(--color-line);background:var(--color-panel);align-content:start;gap:8px;padding:10px;display:grid}.auth-preview__rail span{border:1px solid var(--color-line);background:var(--color-surface);border-radius:3px;height:58px;display:block}.auth-preview__rail .auth-preview__page--active{border-color:#6657e86b;box-shadow:inset 0 0 0 1px #6657e82e}.auth-preview__document{background:var(--color-panel-strong);place-items:center;padding:22px;display:grid}.auth-preview__paper{border:1px solid var(--color-line);background:var(--color-surface);width:min(100%,200px);height:206px;padding:28px 22px;box-shadow:0 8px 20px #1f243314}.auth-preview__paper span,.auth-preview__notes>span{background:var(--color-line);border-radius:999px;width:100%;height:7px;margin-bottom:10px;display:block}.auth-preview__paper .auth-preview__line--short,.auth-preview__notes .auth-preview__line--short{width:58%}.auth-preview__paper .auth-preview__line--medium{width:78%}.auth-preview__paper .auth-preview__line--accent{background:#6657e859;width:74%;margin-top:32px}.auth-preview__notes{border-left:1px solid var(--color-line);padding:22px 16px}.auth-preview__notes strong{color:var(--color-accent);margin-bottom:18px;font-size:10px;display:block}.auth-preview__notes>div{border-radius:var(--radius-control);color:#087b59;background:var(--color-success-soft);margin-top:24px;padding:13px 10px;font-size:9px;font-weight:800}.session-state{min-height:100svh;color:var(--color-ink);background:radial-gradient(circle at 50% 44%, var(--color-accent-soft), transparent 28%), var(--color-canvas);justify-content:center;align-items:center;gap:13px;padding:24px;display:flex}.session-state strong,.session-state span:not(.session-state__spinner){display:block}.session-state strong{font-size:13px}.session-state span:not(.session-state__spinner){color:var(--color-muted);margin-top:3px;font-size:11px}.session-state__spinner{border:2px solid var(--color-line);border-top-color:var(--color-accent);border-radius:999px;width:16px;height:16px;animation:.7s linear infinite spinner-turn}.shell-topbar__error{max-width:230px;color:var(--color-danger);font-size:10px;font-weight:700}.mobile-scrim{display:none}.markdown-content{min-width:0;color:var(--color-ink);overflow-wrap:anywhere;font-size:13px;line-height:1.65}.markdown-content>:first-child{margin-top:0}.markdown-content>:last-child{margin-bottom:0}.markdown-content :where(h1,h2,h3,h4,h5,h6){color:var(--color-ink);margin:1.4em 0 .55em;font-weight:800;line-height:1.25}.markdown-content h1{font-size:1.55em}.markdown-content h2{font-size:1.35em}.markdown-content h3{font-size:1.15em}.markdown-content :where(h4,h5,h6){font-size:1em}.markdown-content :where(p,ul,ol,blockquote,pre,table,hr){margin:.85em 0}.markdown-content :where(ul,ol){padding-left:1.6em}.markdown-content li+li{margin-top:.3em}.markdown-content a{color:var(--color-accent-strong);text-underline-offset:2px;font-weight:700;text-decoration-thickness:1px}.markdown-content__citation-link{background:var(--color-accent-soft);border-radius:999px;align-items:center;padding:1px 6px;font-size:.92em;text-decoration:none;display:inline-flex}.markdown-content blockquote{border-left:3px solid var(--color-accent);border-radius:0 var(--radius-control) var(--radius-control) 0;color:var(--color-muted);background:var(--color-accent-soft);padding:8px 12px}.markdown-content blockquote>:first-child{margin-top:0}.markdown-content blockquote>:last-child{margin-bottom:0}.markdown-content table{border-collapse:collapse;width:100%;display:block;overflow-x:auto}.markdown-content :where(th,td){border:1px solid var(--color-line);text-align:left;min-width:96px;padding:7px 9px}.markdown-content th{background:var(--color-panel-strong);font-weight:800}.markdown-content :not(pre)>code{border:1px solid var(--color-line);background:var(--color-panel-strong);font-family:var(--font-mono);border-radius:5px;padding:2px 5px;font-size:.9em}.markdown-content pre{border-radius:var(--radius-panel);max-width:100%;color:var(--color-code-ink);background:var(--color-code-surface);font-family:var(--font-mono);padding:12px 14px;font-size:12px;line-height:1.6;overflow-x:auto}.markdown-content pre code{font:inherit}.markdown-content .hljs-comment,.markdown-content .hljs-quote{color:var(--color-code-comment)}.markdown-content :where(.hljs-keyword,.hljs-selector-tag,.hljs-type){color:var(--color-code-keyword)}.markdown-content :where(.hljs-string,.hljs-title,.hljs-built_in){color:var(--color-code-literal)}.markdown-content :where(.hljs-number,.hljs-literal){color:var(--color-code-number)}.markdown-content .katex-display{max-width:100%;margin:1em 0;padding-block:2px;overflow:auto hidden}.markdown-content hr{border:0;border-top:1px solid var(--color-line)}.markdown-content img{border-radius:var(--radius-panel);max-width:100%;height:auto}.pdf-viewer{height:calc(100svh - var(--topbar-height) - (var(--space-page) * 2));border:1px solid var(--color-line);border-radius:var(--radius-frame);background:var(--color-panel);flex-direction:column;min-height:560px;animation:.18s both shell-enter;display:flex;position:relative;overflow:hidden;box-shadow:0 10px 28px #1f24330f}.shell-content--document .pdf-viewer{height:calc(100svh - 48px - env(safe-area-inset-top));min-height:0;box-shadow:none;border:0;border-radius:0}.pdf-viewer__header{z-index:4;border-bottom:1px solid var(--color-line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffffff0;flex:none;justify-content:space-between;align-items:center;gap:18px;min-height:62px;padding:9px 12px;display:flex;position:relative}.pdf-viewer__identity,.pdf-viewer__controls{align-items:center;min-width:0;display:flex}.pdf-viewer__identity{gap:10px}.pdf-viewer__identity>a{border:1px solid var(--color-line);border-radius:var(--radius-control);width:34px;height:34px;color:var(--color-muted);background:var(--color-surface);flex:none;place-items:center;text-decoration:none;transition:color .14s,border-color .14s,transform .14s;display:grid}.pdf-viewer__identity>a:hover{color:var(--color-accent);border-color:#6657e859;transform:translate(-2px)}.pdf-viewer__identity>div{min-width:0}.pdf-viewer__identity h2{text-overflow:ellipsis;white-space:nowrap;max-width:min(36vw,460px);margin:0;font-size:13px;line-height:1.3;overflow:hidden}.pdf-viewer__identity p{color:var(--color-dim);margin:3px 0 0;font-size:10px}.pdf-viewer__controls{gap:5px}.pdf-viewer__controls>*{flex:none}.pdf-viewer__controls .ui-button{height:30px}.pdf-viewer__controls .ui-button--icon{width:30px}.pdf-viewer__search{z-index:5;border-bottom:1px solid var(--color-line);background:#fdfdff;flex:none;align-items:center;gap:8px;min-height:46px;padding:7px 12px;display:flex;position:relative}@supports (color:color-mix(in lab, red, red)){.pdf-viewer__search{background:color-mix(in srgb, var(--color-panel) 60%, white)}}.pdf-viewer__search label{color:var(--color-muted);font-size:10px;font-weight:800}.pdf-viewer__search input{border:1px solid var(--color-line-strong);border-radius:var(--radius-control);width:min(280px,38vw);height:32px;color:var(--color-ink);background:var(--color-surface);padding:0 10px;font-size:11px}.pdf-viewer__search input:focus{border-color:var(--color-accent);box-shadow:var(--focus-ring);outline:0}.pdf-viewer__search>span{color:var(--color-muted);font-size:10px}.pdf-ink-toolbar{z-index:4;border-bottom:1px solid var(--color-line);background:#fcfdff;flex:none;align-items:center;gap:6px;min-height:42px;padding:5px 12px;display:flex;position:relative}@supports (color:color-mix(in lab, red, red)){.pdf-ink-toolbar{background:color-mix(in srgb, var(--color-panel) 64%, white)}}.pdf-ink-toolbar__tools{border-radius:var(--radius-control);background:var(--color-panel-strong);gap:3px;padding:2px;display:flex}.pdf-ink-toolbar button{min-height:28px;color:var(--color-muted);cursor:pointer;font:inherit;background:0 0;border:0;border-radius:6px;align-items:center;gap:5px;padding:0 9px;font-size:10px;font-weight:800;display:inline-flex}.pdf-ink-toolbar button:hover:not(:disabled),.pdf-ink-toolbar button[aria-pressed=true]{color:var(--color-accent-strong);background:var(--color-surface);box-shadow:0 1px 4px #1f24331a}.pdf-ink-toolbar button:focus-visible,.pdf-ink-toolbar :is(input,select):focus-visible{box-shadow:var(--focus-ring);outline:0}.pdf-ink-toolbar button:disabled{cursor:default;opacity:.45}.pdf-ink-toolbar__divider{background:var(--color-line);width:1px;height:22px;margin-inline:2px}.pdf-ink-color,.pdf-ink-width{color:var(--color-dim);align-items:center;gap:6px;font-size:9px;font-weight:800;display:flex}.pdf-ink-color input{border:1px solid var(--color-line);background:var(--color-surface);cursor:pointer;border-radius:7px;width:28px;height:28px;padding:3px}.pdf-ink-width select{border:1px solid var(--color-line);height:28px;color:var(--color-muted);background:var(--color-surface);font:inherit;border-radius:7px;padding:0 24px 0 8px;font-size:10px}.pdf-ink-toolbar__status{min-width:0;color:var(--color-dim);text-overflow:ellipsis;white-space:nowrap;margin:0 0 0 auto;font-size:9px;overflow:hidden}.pdf-viewer__divider{background:var(--color-line);width:1px;height:22px;margin-inline:3px}.pdf-page-control{border:1px solid var(--color-line);border-radius:var(--radius-control);height:30px;color:var(--color-dim);background:var(--color-surface);font-family:var(--font-mono);align-items:center;gap:5px;padding:0 8px;font-size:9px;display:flex}.pdf-page-control input{width:32px;height:22px;color:var(--color-ink);background:var(--color-panel-strong);text-align:center;border:0;border-radius:4px;padding:0 3px;font-family:inherit;font-size:10px;font-weight:800}.pdf-page-control input:focus{box-shadow:var(--focus-ring);outline:0}.pdf-zoom-label{border-radius:var(--radius-control);min-width:68px;height:30px;color:var(--color-muted);cursor:pointer;background:0 0;border:0;padding:0 8px;font-size:10px;font-weight:800}.pdf-zoom-label:hover,.pdf-zoom-label--active{color:var(--color-accent-strong);background:var(--color-accent-soft)}.pdf-viewer__body{flex:1;grid-template-columns:minmax(0,1fr);min-height:0;transition:grid-template-columns .16s;display:grid}.pdf-viewer__body--pages-open{grid-template-columns:100px minmax(0,1fr)}.pdf-viewer__body--tools-open{grid-template-columns:minmax(0,1fr) 320px}.pdf-viewer__body--pages-open.pdf-viewer__body--tools-open{grid-template-columns:100px minmax(0,1fr) 320px}.pdf-page-rail[hidden],.pdf-study-panel[hidden]{display:none}.pdf-page-rail{border-right:1px solid var(--color-line);background:var(--color-surface);overscroll-behavior:contain;scrollbar-color:var(--color-line-strong) transparent;scrollbar-width:thin;align-content:start;gap:5px;min-height:0;padding:10px 9px;display:grid;overflow-y:auto}.pdf-page-rail__item{border-radius:var(--radius-control);color:var(--color-dim);cursor:pointer;text-align:center;background:0 0;border:1px solid #0000;gap:5px;padding:6px;font-size:9px;font-weight:700;transition:color .14s,border-color .14s,background .14s;display:grid}.pdf-page-rail__item:hover{color:var(--color-ink);background:var(--color-panel)}.pdf-page-rail__item[aria-current=page]{color:var(--color-accent-strong);background:var(--color-accent-soft);border-color:#6657e84d}.pdf-page-rail__preview{aspect-ratio:.76;border:1px solid var(--color-line);color:var(--color-dim);background:var(--color-surface);font-family:var(--font-mono);border-radius:3px;place-items:center;font-size:10px;display:grid;box-shadow:0 3px 8px #1f243312}.pdf-page-rail__item[aria-current=page] .pdf-page-rail__preview{color:var(--color-accent);border-color:#6657e86b}.pdf-page-scroll{background:linear-gradient(#dde2ec61 1px, transparent 1px), linear-gradient(90deg, #dde2ec61 1px, transparent 1px), var(--color-panel-strong);overscroll-behavior:contain;scrollbar-color:var(--color-line-strong) transparent;scrollbar-width:thin;background-size:24px 24px;min-width:0;min-height:0;padding:24px;overflow:auto}.pdf-page-frame{background:var(--color-surface);width:280px;height:360px;margin:0 auto;transition:width .16s,height .16s;position:relative;overflow:hidden;box-shadow:0 12px 30px #1f243324}.pdf-page-frame canvas{display:block;position:absolute;inset:0}.pdf-text-layer{--scale-round-x:1px;--scale-round-y:1px;--total-scale-factor:var(--scale-factor);z-index:2;opacity:1;text-align:initial;-webkit-text-size-adjust:none;-moz-text-size-adjust:none;text-size-adjust:none;transform-origin:0 0;line-height:1;position:absolute;inset:0;overflow:clip}.pdf-ink-overlay{z-index:3;pointer-events:none;touch-action:pan-x pan-y pinch-zoom;width:100%;height:100%;position:absolute;inset:0;overflow:visible}.pdf-ink-overlay--active{touch-action:none;pointer-events:auto;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.pdf-ink-overlay[data-tool=pen]{cursor:crosshair}.pdf-ink-overlay[data-tool=eraser]{cursor:cell}.pdf-ink-overlay path{pointer-events:none}.pdf-text-layer :is(span,br){color:#0000;cursor:text;transform-origin:0 0;white-space:pre;position:absolute}.pdf-text-layer ::selection{background:#6657e84d}.pdf-citation-highlight{color:#0000;background:#6657e857;border-radius:2px;margin:0;padding:0;animation:.24s ease-out both citation-highlight-enter;box-shadow:0 0 0 1px #5748d133}.pdf-annotation-highlight{color:#0000;cursor:pointer;background:#f2be2e5c;border-radius:2px;margin:0;padding:0;transition:background .14s,box-shadow .14s;box-shadow:inset 0 -1px #ad76004d}.pdf-annotation-highlight--comment{box-shadow:inset 0 -2px var(--color-accent);background:#6657e840}.pdf-annotation-highlight:hover,.pdf-annotation-highlight:focus-visible{background:#f2be2e85;outline:0;box-shadow:0 0 0 2px #ad76003d}.pdf-annotation-highlight--comment:hover,.pdf-annotation-highlight--comment:focus-visible{background:#6657e861;box-shadow:0 0 0 2px #6657e83d}.pdf-selection-action{z-index:8;border-radius:var(--radius-panel);width:fit-content;max-width:min(540px,100% - 20px);min-height:44px;box-shadow:var(--shadow-menu);background:#fffffff7;border:1px solid #6657e840;align-items:center;gap:6px;margin:0;padding:6px;animation:.16s ease-out both annotation-action-enter;display:flex;position:absolute;bottom:14px;left:calc(50% - 45px);transform:translate(-50%)}.pdf-selection-action>span{min-width:70px;max-width:190px;color:var(--color-muted);text-overflow:ellipsis;white-space:nowrap;padding-inline:7px;font-size:10px;font-weight:700;overflow:hidden}.pdf-selection-action .ui-button{min-height:30px;padding-inline:10px}.pdf-selection-action .ui-button--icon{width:30px;padding:0}.pdf-selection-notice{z-index:8;border-radius:var(--radius-control);width:fit-content;max-width:calc(100% - 20px);color:var(--color-warning);background:var(--color-warning-soft);margin:0;padding:8px 10px;font-size:10px;font-weight:750;position:absolute;bottom:14px;left:calc(50% - 45px);transform:translate(-50%)}.pdf-note-capture>q,.pdf-note-capture__page{border-left:3px solid var(--color-accent);max-height:112px;color:var(--color-muted);background:var(--color-accent-soft);margin:0;padding:10px 11px;font-size:11px;font-style:normal;line-height:1.55;overflow:auto}.pdf-note-capture__divider{background:var(--color-line);text-align:center;height:1px;margin-block:3px;position:relative}.pdf-note-capture__divider span{color:var(--color-dim);background:var(--color-surface);text-transform:uppercase;padding-inline:8px;font-size:9px;font-weight:800;position:relative;top:-8px}.pdf-note-capture__success{border:1px solid var(--color-success);border-radius:var(--radius-control);background:var(--color-success-soft);gap:4px;padding:11px;display:grid}.pdf-note-capture__success p{color:var(--color-muted);margin:0;font-size:10px;line-height:1.5}.pdf-note-capture__success a{color:var(--color-accent-strong);justify-self:start;font-size:10px;font-weight:800}.pdf-study-panel{border-left:1px solid var(--color-line);background:var(--color-surface);min-width:0;min-height:0}.pdf-study-panel>.ui-tabs{grid-template-rows:39px minmax(0,1fr);height:100%;min-height:0;display:grid}.pdf-study-panel .ui-tabs__list{background:#fdfdff;padding-inline:5px}@supports (color:color-mix(in lab, red, red)){.pdf-study-panel .ui-tabs__list{background:color-mix(in srgb, var(--color-panel) 58%, white)}}.pdf-study-panel .ui-tabs__panel{min-height:0;padding:0;overflow:hidden}.pdf-annotation-panel{background:var(--color-surface);flex-direction:column;min-width:0;height:100%;min-height:0;display:flex}.document-chat-shell{background:var(--color-surface);grid-template-rows:auto minmax(0,1fr);height:100%;min-height:0;display:grid}.chat-threads{border-bottom:1px solid var(--color-line);background:var(--color-panel);min-width:0;padding:8px 12px;position:relative}.chat-threads__bar{align-items:center;gap:8px;min-width:0;display:flex}.chat-threads__bar>.ui-button{flex:none;height:30px;padding:0 10px;font-size:11px}.chat-threads__bar>.ui-button .ui-icon{width:13px;height:13px}.chat-threads__toggle{border-radius:var(--radius-control);min-width:0;color:var(--color-ink);cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;flex:auto;grid-template-columns:minmax(0,1fr) auto;align-items:center;column-gap:6px;padding:4px 8px;display:grid}.chat-threads__toggle:hover{border-color:var(--color-line);background:var(--color-surface)}.chat-threads__eyebrow{color:var(--color-dim);font-family:var(--font-mono);letter-spacing:.05em;text-transform:uppercase;grid-column:1;font-size:8px;font-weight:800}.chat-threads__toggle strong{text-overflow:ellipsis;white-space:nowrap;grid-column:1;font-size:12px;font-weight:750;overflow:hidden}.chat-threads__chevron{width:14px;height:14px;color:var(--color-muted);grid-area:1/2/span 2;transition:transform .14s ease-out;transform:rotate(90deg)}.chat-threads__toggle[aria-expanded=true] .chat-threads__chevron{transform:rotate(-90deg)}.chat-threads__error{color:var(--color-danger);margin:6px 0 0;font-size:10px;font-weight:650}.chat-threads__list{border:1px solid var(--color-line);border-radius:var(--radius-panel);background:var(--color-surface);overscroll-behavior:contain;scrollbar-width:thin;gap:2px;max-height:240px;margin:8px 0 0;padding:4px;list-style:none;display:grid;overflow-y:auto}.chat-threads__item{border-radius:var(--radius-control);align-items:center;gap:2px;min-width:0;display:flex}.chat-threads__item:hover,.chat-threads__item--active{background:var(--color-panel-strong)}.chat-threads__item--active{box-shadow:inset 2px 0 0 var(--color-accent)}.chat-threads__select{border-radius:var(--radius-control);min-width:0;color:var(--color-ink);cursor:pointer;text-align:left;background:0 0;border:0;flex:auto;gap:1px;padding:6px 8px;display:grid}.chat-threads__select strong{text-overflow:ellipsis;white-space:nowrap;font-size:11px;font-weight:700;overflow:hidden}.chat-threads__select[aria-current=true] strong{color:var(--color-accent-strong)}.chat-threads__select span{color:var(--color-dim);font-size:9px}.chat-threads__item .ui-button--icon{width:28px;height:28px;color:var(--color-muted);background:0 0;border-color:#0000}.chat-threads__item .ui-button--icon:hover:not(:disabled){border-color:var(--color-line);color:var(--color-ink);background:var(--color-surface)}.chat-threads__item .ui-button--icon .ui-icon{width:14px;height:14px}.chat-threads__rename{flex:auto;align-items:center;gap:4px;min-width:0;padding:3px;display:flex}.chat-threads__rename input{border:1px solid var(--color-line-strong);border-radius:var(--radius-control);min-width:0;height:28px;color:var(--color-ink);background:var(--color-surface);flex:auto;padding:0 8px;font-size:11px}.chat-threads__rename input:focus{border-color:var(--color-accent);box-shadow:var(--focus-ring);outline:none}.chat-threads__rename .ui-button{height:28px;padding:0 8px;font-size:11px}.document-chat{background:var(--color-surface);grid-template-rows:auto minmax(0,1fr) auto;height:100%;min-height:0;display:grid}.document-chat__header{border-bottom:1px solid var(--color-line);gap:9px;padding:12px;display:grid}.document-chat__header h3,.document-chat__header p{margin:0}.document-chat__header h3{letter-spacing:-.01em;font-size:13px}.document-chat__header p{color:var(--color-dim);margin-top:3px;font-size:9px}.document-chat__access{min-width:0;color:var(--color-success);font-family:var(--font-mono);justify-content:space-between;align-items:center;gap:8px;font-size:8px;font-weight:750;display:flex}.document-chat__access--warning{color:var(--color-warning)}.document-chat__access span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.document-chat__access a,.document-chat__settings-link{color:var(--color-accent-strong);flex:none;font-weight:800}.document-chat__history{overscroll-behavior:contain;scrollbar-color:var(--color-line-strong) transparent;scrollbar-width:thin;min-height:0;padding:5px 12px 12px;overflow-y:auto}.document-chat__history>ol{gap:0;margin:0;padding:0;list-style:none;display:grid}.document-chat__message{border-bottom:1px solid var(--color-line);min-width:0;padding:12px 0;animation:.16s ease-out both chat-message-enter}.document-chat__message:last-child{border-bottom:0}.document-chat__message>span{color:var(--color-dim);font-family:var(--font-mono);letter-spacing:.05em;text-transform:uppercase;margin-bottom:5px;font-size:8px;font-weight:800;display:block}.document-chat__message--user{border-radius:var(--radius-control);background:var(--color-accent-soft);border-bottom:0;margin:7px 0 2px;padding:10px}.document-chat__message--user>span{color:var(--color-accent-strong)}.document-chat__message--user>p{color:var(--color-ink);overflow-wrap:anywhere;margin:0;font-size:11px;line-height:1.5}.document-chat__markdown{color:var(--color-ink);font-size:11px;line-height:1.55}.document-chat__markdown>:first-child{margin-top:0}.document-chat__markdown>:last-child{margin-bottom:0}.document-chat__sources{border-top:1px solid var(--color-line);margin-top:10px;padding-top:8px}.document-chat__sources summary{width:fit-content;color:var(--color-accent-strong);cursor:pointer;font-size:9px;font-weight:800}.document-chat__sources ol{gap:6px;margin:8px 0 0;padding:0;list-style:none;display:grid}.document-chat__sources button{border:1px solid var(--color-line);border-radius:var(--radius-control);width:100%;color:inherit;background:var(--color-panel);cursor:pointer;font:inherit;text-align:left;gap:4px;padding:8px;transition:border-color .14s,background .14s,transform .14s;display:grid}.document-chat__sources button:hover{border-color:#b3b1eb}@supports (color:color-mix(in lab, red, red)){.document-chat__sources button:hover{border-color:color-mix(in srgb, var(--color-accent) 35%, var(--color-line))}}.document-chat__sources button:hover{background:var(--color-accent-soft);transform:translateY(-1px)}.document-chat__sources button:focus-visible,.document-chat__sources summary:focus-visible{box-shadow:var(--focus-ring);outline:0}.document-chat__sources strong{color:var(--color-accent-strong);font-family:var(--font-mono);text-transform:uppercase;font-size:8px}.document-chat__sources q{color:var(--color-muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:9px;font-style:normal;line-height:1.45;display:-webkit-box;overflow:hidden}.document-chat__answer-state{border-radius:var(--radius-control);padding:10px;font-size:10px;line-height:1.45}.document-chat__answer-state strong,.document-chat__answer-state p{margin:0}.document-chat__answer-state p{color:var(--color-muted);margin-top:4px}.document-chat__answer-state--pending{color:var(--color-accent-strong);background:var(--color-accent-soft);align-items:center;gap:9px;display:flex}.document-chat__answer-state--pending>span,.document-chat__state-spinner{border:2px solid #6657e82e;flex:none;width:15px;height:15px}@supports (color:color-mix(in lab, red, red)){.document-chat__answer-state--pending>span,.document-chat__state-spinner{border:2px solid color-mix(in srgb, var(--color-accent) 18%, transparent)}}.document-chat__answer-state--pending>span,.document-chat__state-spinner{border-top-color:var(--color-accent);border-radius:999px;animation:.7s linear infinite spinner-turn}.document-chat__answer-state--failed{color:var(--color-danger);background:var(--color-danger-soft)}.document-chat__answer-state--source-mapping,.document-chat__answer-state--pending-timeout{color:var(--color-warning);background:var(--color-warning-soft)}.document-chat__answer-state--pending-timeout .ui-button{min-height:29px;margin-top:8px;padding-inline:9px;font-size:9px}.document-chat__answer-state--failed>div,.document-chat__answer-state--source-mapping>div{flex-wrap:wrap;align-items:center;gap:8px;margin-top:8px;display:flex}.document-chat__answer-state--failed .ui-button,.document-chat__answer-state--source-mapping .ui-button,.document-chat__answer-state--insufficient .ui-button{min-height:29px;padding-inline:9px;font-size:9px}.document-chat__answer-state--insufficient{color:var(--color-warning);background:var(--color-warning-soft)}.document-chat__answer-state--insufficient .ui-button{color:var(--color-warning);margin-top:7px}.document-chat__verification-label{border-left:2px solid var(--color-warning);color:var(--color-warning);background:var(--color-warning-soft);gap:2px;margin-bottom:9px;padding:8px 9px;font-size:9px;line-height:1.4;display:grid}.document-chat__verification-label span{color:var(--color-muted)}.document-chat__verification-label+.document-chat__markdown~.ui-button{min-height:29px;margin-top:9px;padding-inline:9px;font-size:9px}.document-chat__empty,.document-chat__state{height:100%;min-height:150px;color:var(--color-muted);text-align:center;align-content:center;justify-items:center;gap:5px;padding:24px 18px;font-size:10px;line-height:1.5;display:grid}.document-chat__empty p,.document-chat__state p{color:var(--color-dim);margin:0}.document-chat__state--error{color:var(--color-danger)}.document-chat__composer{border-top:1px solid var(--color-line);background:#fdfeff;gap:7px;padding:10px 12px 12px;display:grid}@supports (color:color-mix(in lab, red, red)){.document-chat__composer{background:color-mix(in srgb, var(--color-panel) 42%, white)}}.document-chat__composer>label{color:var(--color-muted);font-size:9px;font-weight:800}.document-chat__scope-control{border:0;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;min-width:0;margin:0;padding:0;display:grid}.document-chat__scope-control legend{color:var(--color-muted);margin-bottom:5px;font-size:9px;font-weight:800}.document-chat__scope-control label{border:1px solid var(--color-line);border-radius:var(--radius-control);background:var(--color-surface);cursor:pointer;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:1px 6px;min-width:0;padding:7px 8px;display:grid}.document-chat__scope-control label:has(input:checked){border-color:#a7a3ea}@supports (color:color-mix(in lab, red, red)){.document-chat__scope-control label:has(input:checked){border-color:color-mix(in srgb, var(--color-accent) 45%, var(--color-line))}}.document-chat__scope-control label:has(input:checked){background:var(--color-accent-soft)}.document-chat__scope-control input{accent-color:var(--color-accent);grid-row:1/3;margin:0}.document-chat__scope-control span{color:var(--color-ink);text-overflow:ellipsis;white-space:nowrap;font-size:9px;font-weight:800;overflow:hidden}.document-chat__scope-control small{color:var(--color-dim);font-family:var(--font-mono);font-size:8px}.document-chat__scope-control:disabled label{cursor:not-allowed;opacity:.68}.document-chat__composer textarea{resize:none;border:1px solid var(--color-line-strong);border-radius:var(--radius-control);width:100%;min-height:66px;color:var(--color-ink);background:var(--color-surface);font:inherit;padding:9px 10px;font-size:11px;line-height:1.45;transition:border-color .14s,box-shadow .14s}.document-chat__composer textarea:focus{border-color:var(--color-accent);box-shadow:var(--focus-ring);outline:0}.document-chat__composer textarea:disabled{color:var(--color-dim);background:var(--color-panel-strong);cursor:not-allowed}.document-chat__composer>div{justify-content:space-between;align-items:center;gap:8px;display:flex}.document-chat__composer>div>span{color:var(--color-dim);font-family:var(--font-mono);font-size:8px}.document-chat__composer .ui-button{min-height:31px;padding-inline:10px;font-size:9px}.document-chat__composer-notice,.document-chat__composer-error{border-radius:var(--radius-control);margin:0;padding:7px 8px;font-size:9px;line-height:1.4}.document-chat__composer-notice{color:var(--color-warning);background:var(--color-warning-soft)}.document-chat__composer-notice a{color:inherit;font-weight:800}.document-chat__composer-error{color:var(--color-danger);background:var(--color-danger-soft)}.pdf-annotation-panel__header{border-bottom:1px solid var(--color-line);flex:none;justify-content:space-between;align-items:center;gap:8px;min-height:58px;padding:10px 12px;display:flex}.pdf-annotation-panel__header h3,.pdf-annotation-panel__header p{margin:0}.pdf-annotation-panel__header h3{font-size:12px}.pdf-annotation-panel__header p{color:var(--color-dim);margin-top:2px;font-size:9px}.pdf-annotation-panel__state{color:var(--color-muted);text-align:center;gap:5px;margin:auto;padding:22px;font-size:11px;line-height:1.5;display:grid}.pdf-annotation-panel__state p,.pdf-annotation-panel__state span{margin:0}.pdf-annotation-panel__state--error{color:var(--color-danger)}.pdf-annotation-panel__state--error span{color:var(--color-dim)}.pdf-annotation-list{scrollbar-color:var(--color-line-strong) transparent;scrollbar-width:thin;align-content:start;gap:0;min-height:0;margin:0;padding:0;list-style:none;display:grid;overflow-y:auto}.pdf-annotation-item{border-bottom:1px solid var(--color-line);transition:background .14s,box-shadow .14s}.pdf-annotation-item--active{background:var(--color-accent-soft);box-shadow:inset 3px 0 var(--color-accent)}.pdf-annotation-item__source{width:100%;color:inherit;cursor:pointer;text-align:left;background:0 0;border:0;gap:7px;padding:12px;font-family:inherit;display:grid}.pdf-annotation-item__source:hover{background:#f7f8fbbf}.pdf-annotation-item__source:focus-visible{box-shadow:inset var(--focus-ring);outline:0}.pdf-annotation-item__kind{color:var(--color-warning);font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase;font-size:8px;font-weight:800}.pdf-annotation-item__kind--comment{color:var(--color-accent-strong)}.pdf-annotation-item__kind--ink{color:var(--color-success)}.pdf-annotation-item__ink{color:var(--color-muted);align-items:center;gap:7px;font-size:10px;display:flex}.pdf-annotation-item__ink>span{border-radius:999px;flex:none;width:24px;height:4px}.pdf-annotation-item q{color:var(--color-muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:10px;font-style:normal;line-height:1.45;display:-webkit-box;overflow:hidden}.pdf-annotation-item p{color:var(--color-ink);margin:0;font-size:11px;line-height:1.5}.pdf-annotation-item__actions{justify-content:flex-end;gap:4px;padding:0 10px 9px;display:flex}.pdf-annotation-item__actions button{color:var(--color-dim);cursor:pointer;font:inherit;background:0 0;border:0;padding:3px 5px;font-size:9px;font-weight:750}.pdf-annotation-item__actions button:hover{color:var(--color-accent-strong)}.pdf-linked-work{scrollbar-color:var(--color-line-strong) transparent;scrollbar-width:thin;flex:auto;align-content:start;min-height:0;display:grid;overflow-y:auto}.pdf-linked-work .pdf-annotation-list{overflow:visible}.pdf-linked-work__heading{color:var(--color-dim);font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase;margin:0;padding:10px 12px 6px;font-size:8px;font-weight:800}.pdf-linked-item{gap:6px;padding:10px 12px;display:grid}.pdf-linked-item__title{color:var(--color-ink);text-overflow:ellipsis;white-space:nowrap;font-size:11px;font-weight:750;text-decoration:none;overflow:hidden}.pdf-linked-item__title:hover{color:var(--color-accent-strong)}.pdf-linked-item__title:focus-visible,.pdf-linked-item__pages button:focus-visible{border-radius:var(--radius-control);box-shadow:var(--focus-ring);outline:0}.pdf-linked-item small{color:var(--color-muted);font-size:9px}.pdf-linked-item__pages{flex-wrap:wrap;gap:4px;display:flex}.pdf-linked-item__pages button{border:1px solid var(--color-line);border-radius:var(--radius-control);color:var(--color-accent-strong);background:var(--color-accent-soft);cursor:pointer;font:inherit;font-family:var(--font-mono);padding:2px 6px;font-size:9px;font-weight:750}.pdf-linked-item__pages button:hover{border-color:var(--color-accent)}.pdf-text-layer-warning{border:1px solid #db8a0638;margin:auto 10px 10px;padding:10px}@supports (color:color-mix(in lab, red, red)){.pdf-text-layer-warning{border:1px solid color-mix(in srgb, var(--color-warning) 22%, transparent)}}.pdf-text-layer-warning{border-radius:var(--radius-control);color:var(--color-warning);background:var(--color-warning-soft);font-size:10px;line-height:1.45}.pdf-text-layer-warning p{color:var(--color-muted);margin:4px 0 0}.pdf-annotation-notice{z-index:10;border:1px solid #df3e462e;align-items:center;gap:8px;max-width:min(440px,100% - 28px);padding:8px 9px 8px 11px;display:flex;position:absolute;bottom:14px;right:14px}@supports (color:color-mix(in lab, red, red)){.pdf-annotation-notice{border:1px solid color-mix(in srgb, var(--color-danger) 18%, transparent)}}.pdf-annotation-notice{border-radius:var(--radius-control);color:var(--color-danger);background:#eb858a2a}@supports (color:color-mix(in lab, red, red)){.pdf-annotation-notice{background:color-mix(in srgb, var(--color-danger-soft) 94%, white)}}.pdf-annotation-notice{box-shadow:var(--shadow-menu);font-size:10px;font-weight:700}.pdf-annotation-notice button{color:inherit;cursor:pointer;font:inherit;background:0 0;border:0;padding:3px 5px;font-weight:800}.pdf-comment-form,.pdf-delete-confirmation{gap:12px;display:grid}.pdf-comment-form label{color:var(--color-ink);font-size:11px;font-weight:800}.pdf-comment-form textarea{resize:vertical;border:1px solid var(--color-line-strong);border-radius:var(--radius-control);width:100%;min-height:120px;color:var(--color-ink);background:var(--color-surface);font:inherit;padding:10px 11px;font-size:12px;line-height:1.5}.pdf-comment-form textarea:focus{border-color:var(--color-accent);box-shadow:var(--focus-ring);outline:0}.pdf-comment-form__footer,.pdf-comment-form__footer>div,.pdf-delete-confirmation>div{justify-content:space-between;align-items:center;gap:8px;display:flex}.pdf-comment-form__footer>span{color:var(--color-dim);font-family:var(--font-mono);font-size:9px}.pdf-delete-confirmation q{border-left:3px solid var(--color-line-strong);color:var(--color-muted);background:var(--color-panel-strong);padding:10px;font-size:11px;font-style:normal;line-height:1.5}.pdf-delete-confirmation>p{border-left:3px solid var(--color-accent);color:var(--color-muted);background:var(--color-accent-soft);margin:0;padding:10px;font-size:11px}.ui-button.pdf-delete-button{color:var(--color-danger);border-color:#df3e4640}@supports (color:color-mix(in lab, red, red)){.ui-button.pdf-delete-button{border-color:color-mix(in srgb, var(--color-danger) 25%, transparent)}}.ui-button.pdf-delete-button{background:var(--color-danger-soft)}.pdf-citation-notice{z-index:6;border-radius:var(--radius-control);max-width:min(360px,100% - 28px);color:var(--color-warning);background:#eabb6e31;border:1px solid #db8a062e;margin:0;padding:9px 11px;position:absolute;bottom:14px;right:14px}@supports (color:color-mix(in lab, red, red)){.pdf-citation-notice{background:color-mix(in srgb, var(--color-warning-soft) 92%, white)}}.pdf-citation-notice{font-size:10px;font-weight:750;box-shadow:0 8px 22px #1f243314}.pdf-text-layer .endOfContent{z-index:0;cursor:default;-webkit-user-select:none;user-select:none;position:absolute;inset:100% 0 0}.pdf-page-loading{z-index:5;color:var(--color-muted);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#ffffffd1;justify-content:center;align-items:center;gap:8px;font-size:11px;font-weight:800;display:flex;position:absolute;inset:0}.pdf-page-loading span{border:2px solid var(--color-line);border-top-color:var(--color-accent);border-radius:999px;width:15px;height:15px;animation:.7s linear infinite spinner-turn}.pdf-viewer__render-error{z-index:6;border-radius:var(--radius-control);color:var(--color-danger);background:var(--color-danger-soft);margin:0;padding:9px 11px;font-size:10px;font-weight:700;position:absolute;bottom:14px;right:14px}.pdf-viewer-state{gap:16px;display:grid}.pdf-viewer-state__back{color:var(--color-accent);justify-self:center;font-size:12px;font-weight:800}.admin-page{max-width:1180px;margin:0 auto}.admin-section-tabs{border-bottom:1px solid var(--color-line);gap:4px;padding-bottom:10px;display:flex}.admin-section-tabs button{border-radius:var(--radius-control);min-height:32px;color:var(--color-muted);cursor:pointer;background:0 0;border:0;padding:0 11px;font-size:10px;font-weight:800}.admin-section-tabs button:hover{color:var(--color-ink);background:var(--color-surface-raised)}.admin-section-tabs button[aria-current=page]{color:var(--color-accent-strong);background:var(--color-accent-soft)}.admin-section-tabs button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.admin-toolbar{border-bottom:1px solid var(--color-line);justify-content:space-between;align-items:end;gap:24px;padding-bottom:18px;display:flex}.admin-toolbar h2{letter-spacing:-.025em;margin:6px 0 0;font-size:22px}.admin-toolbar p:not(.eyebrow){color:var(--color-muted);margin:7px 0 0;font-size:11px}.admin-alert,.admin-dialog-error{border-radius:var(--radius-control);color:var(--color-danger);background:var(--color-danger-soft);margin:0;padding:10px 12px;font-size:11px}.admin-directory,.admin-invites{min-width:0}.admin-filters{grid-template-columns:minmax(220px,1fr) 170px;gap:10px;max-width:570px;margin-bottom:12px;display:grid}.admin-filters label{color:var(--color-muted);gap:5px;font-size:9px;font-weight:700;display:grid}.admin-filters input,.admin-filters select{border:1px solid var(--color-line-strong);border-radius:var(--radius-control);min-height:36px;color:var(--color-ink);background:var(--color-surface);padding:0 10px;font-size:11px}.admin-table-wrap{border-block:1px solid var(--color-line);overflow-x:auto}.admin-table{border-collapse:collapse;width:100%;font-size:11px}.admin-table th{color:var(--color-dim);letter-spacing:.05em;text-align:left;text-transform:uppercase;padding:9px 10px;font-size:8px}.admin-table td{border-top:1px solid var(--color-line);color:var(--color-muted);vertical-align:middle;padding:11px 10px}.admin-table td:first-child{min-width:210px;color:var(--color-ink)}.admin-table td:first-child strong,.admin-table td:first-child small{display:block}.admin-table td:first-child small{color:var(--color-dim);margin-top:3px;font-size:9px}.admin-row-actions{white-space:nowrap;justify-content:flex-end;gap:3px;display:flex}.admin-row-actions>span{color:var(--color-dim);font-size:9px}.admin-invites .section-heading{margin-bottom:8px}.admin-invites ul{border-top:1px solid var(--color-line);margin:0;padding:0;list-style:none}.admin-invites li{border-bottom:1px solid var(--color-line);grid-template-columns:minmax(0,1fr) auto 74px;align-items:center;gap:14px;min-height:54px;display:grid}.admin-invites li strong,.admin-invites li span{display:block}.admin-invites li strong{text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.admin-invites li div>span{color:var(--color-dim);margin-top:3px;font-size:9px}.admin-invite-result{gap:12px;display:grid}.admin-invite-result code{overflow-wrap:anywhere;border-radius:var(--radius-control);color:var(--color-accent-strong);background:var(--color-accent-soft);padding:12px;font-size:11px;display:block}.admin-invite-result p,.admin-confirm-copy{color:var(--color-muted);margin:0;font-size:11px;line-height:1.55}.admin-pending-note{color:var(--color-muted);margin:0;font-size:10px}.admin-credit-summary{border-bottom:1px solid var(--color-line);grid-template-columns:minmax(0,1fr) auto;gap:3px 12px;padding-bottom:12px;display:grid}.admin-credit-summary span,.admin-credit-summary small{color:var(--color-muted);font-size:10px}.admin-credit-summary strong{font-family:var(--font-mono);grid-row:span 2;font-size:24px}.admin-credit-ledger{max-height:210px;overflow:auto}.admin-credit-ledger h3{color:var(--color-dim);letter-spacing:.04em;text-transform:uppercase;margin:0 0 7px;font-size:9px}.admin-credit-ledger>p{color:var(--color-dim);margin:0;padding:10px 0;font-size:10px}.admin-credit-ledger ol{border-top:1px solid var(--color-line);margin:0;padding:0;list-style:none}.admin-credit-ledger li{border-bottom:1px solid var(--color-line);grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:8px 0;display:grid}.admin-credit-ledger li strong,.admin-credit-ledger li span,.admin-credit-ledger li time{display:block}.admin-credit-ledger li strong{text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.admin-credit-ledger li span,.admin-credit-ledger li time{color:var(--color-dim);margin-top:2px;font-size:8px}.admin-credit-ledger li>div:last-child{text-align:right}.admin-credit-ledger__credit{color:var(--color-success)}.admin-credit-ledger__debit{color:var(--color-danger)}.admin-operations{gap:18px;display:grid}.admin-operations__heading{justify-content:space-between;align-items:end;gap:24px;display:flex}.admin-operations__heading h2{letter-spacing:-.025em;margin:6px 0 0;font-size:22px}.admin-operations__heading p:not(.eyebrow){color:var(--color-muted);margin:7px 0 0;font-size:11px}.admin-ops-notice{border-radius:var(--radius-control);color:var(--color-success);background:var(--color-success-soft);margin:0;padding:10px 12px;font-size:11px}.admin-operations__grid{grid-template-columns:minmax(0,1.7fr) minmax(260px,.8fr);align-items:start;gap:24px;display:grid}.admin-operations__main,.admin-operations__aside{gap:24px;min-width:0;display:grid}.admin-ops-section{border-top:1px solid var(--color-line);min-width:0;padding-top:14px}.admin-ops-section__title{justify-content:space-between;align-items:start;gap:16px;margin-bottom:12px;display:flex}.admin-ops-section__title h3{letter-spacing:-.012em;margin:0;font-size:13px}.admin-ops-section__title p{color:var(--color-muted);margin:4px 0 0;font-size:10px;line-height:1.5}.admin-ops-section__title>span:not(.ui-status-pill){color:var(--color-dim);font-size:9px}.admin-provider-form{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;display:grid}.admin-provider-form>:first-child,.admin-provider-form__footer{grid-column:1/-1}.admin-provider-form__footer{justify-content:space-between;align-items:center;gap:16px;padding-top:2px;display:flex}.admin-provider-form__footer span{color:var(--color-dim);font-size:9px}.admin-job-list,.admin-purge-list,.admin-target-list{border-bottom:1px solid var(--color-line);margin:0;padding:0;list-style:none}.admin-job-list>li{border-top:1px solid var(--color-line);gap:7px;padding:11px 0;display:grid}.admin-job-list__summary,.admin-job-list__meta{justify-content:space-between;align-items:center;gap:10px;display:flex}.admin-job-list__summary strong,.admin-job-list__summary span{display:block}.admin-job-list__summary strong{text-transform:capitalize;font-size:11px}.admin-job-list__summary div>span{color:var(--color-muted);margin-top:3px;font-size:9px}.admin-job-list__meta{color:var(--color-dim);justify-content:flex-start;font-size:9px}.admin-job-list__meta .ui-button{margin-left:auto}.admin-job-error{border-radius:var(--radius-control);color:var(--color-danger);background:var(--color-danger-soft);margin:0;padding:7px 9px;font-size:9px}.admin-purge-list li{border-top:1px solid var(--color-line);grid-template-columns:minmax(0,1fr) auto;gap:14px;padding:11px 0;display:grid}.admin-purge-list strong,.admin-purge-list span,.admin-purge-list small{display:block}.admin-purge-list strong{font-size:10px}.admin-purge-list span,.admin-purge-list small{color:var(--color-dim);margin-top:3px;font-size:8px}.admin-purge-list li>div:last-child{text-align:right}.admin-purge-list p{color:var(--color-danger);margin:5px 0 0;font-size:9px}.admin-target-list li{border-top:1px solid var(--color-line);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px 0;display:grid}.admin-target-list strong,.admin-target-list span,.admin-target-list small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.admin-target-list strong{font-size:10px}.admin-target-list span,.admin-target-list small{color:var(--color-dim);margin-top:3px;font-size:8px}.admin-privacy-list{margin:0}.admin-privacy-list>div{border-top:1px solid var(--color-line);grid-template-columns:72px minmax(0,1fr);gap:10px;padding:8px 0;font-size:9px;display:grid}.admin-privacy-list dt{color:var(--color-dim);font-weight:800}.admin-privacy-list dd{color:var(--color-muted);margin:0}.admin-privacy-disclosure{border-radius:var(--radius-control);color:var(--color-muted);background:var(--color-surface-raised);margin:10px 0 0;padding:9px 10px;font-size:9px;line-height:1.5}.admin-privacy-boundary{margin-top:12px}.admin-privacy-boundary strong{color:var(--color-ink);font-size:9px;display:block}.admin-privacy-boundary p{color:var(--color-dim);margin:3px 0 9px;font-size:9px;line-height:1.45}.ui-button.admin-danger-button:not(:disabled){border-color:var(--color-danger);color:#fff;background:var(--color-danger)}.quiz-empty-page{justify-items:center;gap:14px;display:grid}.quiz-collection__heading{align-items:center}.quiz-list{border:1px solid var(--color-line);border-radius:var(--radius-panel);background:var(--color-surface);overflow:hidden}.quiz-list-row{border-bottom:1px solid var(--color-line);min-height:66px;color:var(--color-ink);grid-template-columns:34px minmax(0,1fr) auto 16px;align-items:center;gap:12px;padding:11px 14px;text-decoration:none;transition:background .15s,padding .15s;display:grid}.quiz-list-row:last-child{border-bottom:0}.quiz-list-row:hover{background:var(--color-panel);padding-inline:17px 11px}.quiz-list-row__mark{border-radius:var(--radius-control);width:34px;height:34px;color:var(--color-accent);background:var(--color-accent-soft);place-items:center;display:grid}.quiz-list-row__copy{min-width:0}.quiz-list-row__copy strong,.quiz-list-row__copy small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.quiz-list-row__copy strong{font-size:12px}.quiz-list-row__copy small{color:var(--color-dim);margin-top:4px;font-size:10px}.quiz-list-row__date{color:var(--color-dim);font-size:10px}.quiz-setup-layout{grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:18px;display:grid}.quiz-setup-form{border:1px solid var(--color-line);border-radius:var(--radius-panel);background:var(--color-surface);gap:15px;padding:20px;display:grid}.quiz-section-heading h2{letter-spacing:-.025em;margin:6px 0 0;font-size:22px}.quiz-section-heading>div>p:not(.eyebrow){color:var(--color-muted);margin:7px 0 0;font-size:12px;line-height:1.5}.quiz-field,.quiz-mix-fields label{color:var(--color-muted);gap:6px;font-size:11px;font-weight:750;display:grid}.quiz-field>span,.quiz-mix-fields label>span{justify-content:space-between;display:flex}.quiz-field small{color:var(--color-dim);font-size:9px}.quiz-field :is(input,select,textarea),.quiz-mix-fields input{border:1px solid var(--color-line);border-radius:var(--radius-control);width:100%;color:var(--color-ink);background:var(--color-surface);padding:9px 11px;font-size:12px;transition:border-color .15s,box-shadow .15s}.quiz-field :is(input,select){height:38px;padding-block:0}.quiz-field textarea{resize:vertical;min-height:76px;line-height:1.5}.quiz-field :is(input,select,textarea):focus,.quiz-mix-fields input:focus{border-color:var(--color-accent);box-shadow:var(--focus-ring);outline:0}.quiz-mix-fields{border:0;border-top:1px solid var(--color-line);grid-template-columns:1fr 1fr;gap:12px;margin:0;padding:13px 0 0;display:grid}.quiz-mix-fields legend{color:var(--color-ink);padding:0 0 8px;font-size:12px;font-weight:800}.quiz-setup-form__actions{align-items:center;gap:12px;padding-top:2px;display:flex}.quiz-setup-form__actions span{color:var(--color-dim);font-size:9px;line-height:1.45}.quiz-setup-aside{border-top:1px solid var(--color-line);gap:0;display:grid}.quiz-setup-aside>div{border-bottom:1px solid var(--color-line);padding:16px 2px}.quiz-setup-aside strong{font-size:12px;display:block}.quiz-setup-aside p{color:var(--color-muted);margin:6px 0 0;font-size:11px;line-height:1.55}.quiz-alert{border-radius:var(--radius-control);margin:0;padding:9px 11px;font-size:11px;font-weight:700;line-height:1.45}.quiz-alert--error{color:var(--color-danger);background:var(--color-danger-soft)}.quiz-start-page{width:min(720px,100%);margin:4vh auto 0}.quiz-back-link{color:var(--color-muted);font-size:11px;font-weight:750;text-decoration:none}.quiz-back-link:hover{color:var(--color-accent)}.quiz-start-summary{border:1px solid var(--color-line);border-radius:var(--radius-frame);background:var(--color-surface);box-shadow:var(--shadow-elevated);margin-top:18px;padding:28px;animation:.18s both quiz-panel-enter}.quiz-start-summary h2{letter-spacing:-.035em;margin:8px 0 0;font-size:clamp(26px,4vw,36px)}.quiz-start-summary>p:not(.eyebrow,.quiz-alert){max-width:560px;color:var(--color-muted);margin:10px 0 0;font-size:13px;line-height:1.55}.quiz-start-summary dl{border-block:1px solid var(--color-line);grid-template-columns:repeat(3,1fr);margin:24px 0;display:grid}.quiz-start-summary dl div{border-right:1px solid var(--color-line);padding:14px}.quiz-start-summary dl div:last-child{border-right:0}.quiz-start-summary dt{color:var(--color-dim);text-transform:uppercase;font-size:9px;font-weight:800}.quiz-start-summary dd{font-family:var(--font-mono);margin:5px 0 0;font-size:17px;font-weight:800}.quiz-start-summary>small{color:var(--color-dim);margin-top:11px;font-size:9px;display:block}.quiz-attempt-page{gap:12px;display:grid}.quiz-attempt-header{justify-content:space-between;align-items:end;gap:16px;padding:1px 1px 7px;display:flex}.quiz-attempt-header h2{letter-spacing:-.025em;margin:5px 0 0;font-size:20px}.quiz-attempt-header p:not(.eyebrow){color:var(--color-muted);margin:5px 0 0;font-size:10px}.quiz-attempt-header>div:last-child{align-items:center;gap:10px;display:flex}.quiz-attempt-header>div:last-child>strong{font-family:var(--font-mono);font-size:10px}.quiz-connection{color:var(--color-success);font-size:9px;font-weight:800}.quiz-connection:before{content:"";background:currentColor;border-radius:99px;width:6px;height:6px;margin-right:5px;display:inline-block}.quiz-connection--offline{color:var(--color-danger)}.quiz-progress{appearance:none;background:var(--color-line);border:0;border-radius:999px;width:100%;height:5px;overflow:hidden}.quiz-progress::-webkit-progress-bar{background:var(--color-line)}.quiz-progress::-webkit-progress-value{border-radius:inherit;background:var(--color-accent);transition:width .18s}.quiz-progress::-moz-progress-bar{border-radius:inherit;background:var(--color-accent)}.quiz-attempt-layout{border:1px solid var(--color-line);border-radius:var(--radius-frame);background:var(--color-surface);grid-template-columns:232px minmax(0,1fr);min-height:min(650px,100svh - 150px);display:grid;overflow:hidden;box-shadow:0 10px 28px #1f24330f}.quiz-question-nav{border-right:1px solid var(--color-line);background:var(--color-panel);overscroll-behavior:contain;min-height:0;padding:14px 10px;overflow-y:auto}.quiz-question-nav>div{justify-content:space-between;align-items:baseline;gap:8px;padding:0 4px 10px;display:flex}.quiz-question-nav>div strong{font-size:12px}.quiz-question-nav>div span{color:var(--color-dim);font-size:9px}.quiz-question-nav ol{gap:4px;margin:0;padding:0;list-style:none;display:grid}.quiz-question-nav button{border-radius:var(--radius-control);width:100%;color:var(--color-muted);cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;grid-template-columns:28px minmax(0,1fr);align-items:center;gap:8px;padding:7px;transition:color .14s,border-color .14s,background .14s;display:grid}.quiz-question-nav button:hover{color:var(--color-ink);background:var(--color-surface)}.quiz-question-nav button[aria-current=step]{color:var(--color-accent-strong);background:var(--color-accent-soft);border-color:#6657e840}.quiz-question-nav button>span:first-child{border:1px solid var(--color-line);background:var(--color-surface);width:27px;height:27px;font-family:var(--font-mono);border-radius:7px;place-items:center;font-size:9px;font-weight:800;display:grid}.quiz-question-nav button strong,.quiz-question-nav button small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.quiz-question-nav button strong{font-size:10px}.quiz-question-nav button small{color:var(--color-dim);margin-top:3px;font-size:9px}.quiz-question-panel,.quiz-review-panel{min-width:0;padding:clamp(22px,4vw,46px);animation:.17s both quiz-panel-enter}.quiz-question-panel{flex-direction:column;justify-self:center;width:100%;max-width:920px;min-height:100%;display:flex}.quiz-question-panel__meta{color:var(--color-dim);font-family:var(--font-mono);text-transform:uppercase;justify-content:space-between;align-items:center;gap:8px;font-size:9px;font-weight:800;display:flex}.quiz-question-panel>[role=heading]{letter-spacing:-.02em;margin:16px 0 24px;font-size:clamp(18px,2.4vw,24px);font-weight:800;line-height:1.35}.quiz-question-panel>[role=heading] .markdown-content{font-size:inherit;line-height:inherit}.quiz-choice-list{border:0;gap:9px;margin:0;padding:0;display:grid}.quiz-choice{border:1px solid var(--color-line);border-radius:var(--radius-control);min-height:50px;color:var(--color-muted);cursor:pointer;grid-template-columns:auto 28px minmax(0,1fr);align-items:center;gap:10px;padding:9px 12px;font-size:12px;line-height:1.45;transition:color .14s,border-color .14s,background .14s,transform .14s;display:grid}.quiz-choice:hover{color:var(--color-ink);border-color:var(--color-line-strong);transform:translate(2px)}.quiz-choice--selected{color:var(--color-ink);background:var(--color-accent-soft);border-color:#6657e861}.quiz-choice input{width:16px;height:16px;accent-color:var(--color-accent);margin:0}.quiz-choice>span:first-of-type{width:27px;height:27px;color:var(--color-dim);background:var(--color-panel-strong);font-family:var(--font-mono);border-radius:7px;place-items:center;font-size:9px;font-weight:800;display:grid}.quiz-choice--selected>span:first-of-type{color:var(--color-surface);background:var(--color-accent)}.quiz-short-answer{gap:7px;display:grid}.quiz-short-answer>span{color:var(--color-muted);font-size:10px;font-weight:800}.quiz-short-answer textarea{resize:vertical;border:1px solid var(--color-line);border-radius:var(--radius-panel);width:100%;min-height:190px;color:var(--color-ink);background:var(--color-surface);padding:14px;font-size:13px;line-height:1.6}.quiz-short-answer textarea:focus{border-color:var(--color-accent);box-shadow:var(--focus-ring);outline:0}.quiz-save-state{min-height:34px;color:var(--color-dim);align-items:center;gap:8px;margin-top:10px;font-size:9px;font-weight:750;display:flex}.quiz-save-state:before{content:"";background:currentColor;border-radius:99px;flex:none;width:6px;height:6px}.quiz-save-state--saving{color:var(--color-info)}.quiz-save-state--saving:before{animation:.7s ease-in-out infinite alternate note-save-pulse}.quiz-save-state--saved{color:var(--color-success)}.quiz-save-state--error{color:var(--color-danger)}.quiz-save-state .ui-button{height:27px;margin-left:4px;padding-inline:7px;font-size:9px}.quiz-question-actions{border-top:1px solid var(--color-line);justify-content:space-between;align-items:center;gap:10px;margin-top:auto;padding-top:22px;display:flex}.quiz-question-actions>div{gap:7px;display:flex}.quiz-review-panel{justify-self:center;width:100%;max-width:900px}.quiz-review-list{border-top:1px solid var(--color-line);margin:22px 0 0;padding:0;list-style:none}.quiz-review-list li{border-bottom:1px solid var(--color-line)}.quiz-review-list button{width:100%;min-height:62px;color:var(--color-ink);cursor:pointer;text-align:left;background:0 0;border:0;grid-template-columns:30px minmax(0,1fr) 16px;align-items:center;gap:10px;padding:10px 4px;transition:padding .14s,background .14s;display:grid}.quiz-review-list button:hover{background:var(--color-panel);padding-inline:8px 0}.quiz-review-list button>span:first-child{width:28px;height:28px;color:var(--color-accent);background:var(--color-accent-soft);font-family:var(--font-mono);border-radius:7px;place-items:center;font-size:9px;font-weight:800;display:grid}.quiz-review-list strong,.quiz-review-list small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.quiz-review-list strong{font-size:11px}.quiz-review-list small{color:var(--color-muted);margin-top:4px;font-size:10px}.quiz-review-actions{justify-content:flex-end;gap:8px;margin-top:20px;display:flex}.quiz-submit-dialog{gap:12px;margin-top:16px;display:grid}.quiz-submit-dialog>p:not(.quiz-alert){color:var(--color-muted);margin:0;font-size:11px}.quiz-start-page--history{width:min(900px,100%)}.quiz-start-history,.quiz-history-section{margin-top:26px}.quiz-history-list{border:1px solid var(--color-line);border-radius:var(--radius-panel);background:var(--color-surface);margin:0;padding:0;list-style:none;overflow:hidden}.quiz-history-list li+li{border-top:1px solid var(--color-line)}.quiz-history-list a{min-height:66px;color:var(--color-ink);grid-template-columns:30px minmax(0,1fr) auto auto 16px;align-items:center;gap:11px;padding:10px 13px;text-decoration:none;transition:background .14s,padding .14s;display:grid}.quiz-history-list a:hover{background:var(--color-panel);padding-inline:16px 10px}.quiz-history-list a:focus-visible{z-index:1;box-shadow:inset var(--focus-ring);outline:0;position:relative}.quiz-history-list__sequence{width:29px;height:29px;color:var(--color-accent);background:var(--color-accent-soft);font-family:var(--font-mono);border-radius:8px;place-items:center;font-size:9px;font-weight:800;display:grid}.quiz-history-list__copy{min-width:0}.quiz-history-list__copy strong,.quiz-history-list__copy small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.quiz-history-list__copy strong{font-size:11px}.quiz-history-list__copy small{color:var(--color-dim);margin-top:3px;font-size:9px}.quiz-history-list__status{color:var(--color-info);background:var(--color-info-soft);white-space:nowrap;border-radius:999px;padding:4px 7px;font-size:9px;font-weight:800}.quiz-history-list__status--completed{color:var(--color-success);background:var(--color-success-soft)}.quiz-history-list__status--failed{color:var(--color-danger);background:var(--color-danger-soft)}.quiz-history-list__status--partial_failed{color:var(--color-warning);background:var(--color-warning-soft)}.quiz-history-list time{color:var(--color-dim);white-space:nowrap;font-size:9px}.quiz-history-empty,.quiz-history-loading,.quiz-history-error{border:1px solid var(--color-line);border-radius:var(--radius-panel);min-height:74px;color:var(--color-muted);background:var(--color-surface);align-items:center;gap:10px;padding:14px;font-size:10px;display:flex}.quiz-history-empty>svg{color:var(--color-accent)}.quiz-history-empty strong,.quiz-history-empty span{display:block}.quiz-history-empty strong{color:var(--color-ink);font-size:11px}.quiz-history-empty span{margin-top:3px}.quiz-history-error{color:var(--color-danger);background:var(--color-danger-soft);justify-content:space-between}.quiz-generation-unavailable{border:1px solid var(--color-line);border-radius:var(--radius-panel);background:var(--color-surface);grid-template-columns:38px minmax(0,1fr);align-items:start;gap:12px;padding:17px;display:grid}.quiz-generation-unavailable>span{border-radius:var(--radius-control);width:38px;height:38px;color:var(--color-warning);background:var(--color-warning-soft);place-items:center;display:grid}.quiz-generation-unavailable h2{margin:5px 0 0;font-size:14px}.quiz-generation-unavailable p:not(.eyebrow){color:var(--color-muted);margin:5px 0 0;font-size:10px;line-height:1.5}.quiz-attempt-layout--results{min-height:0;display:block}.quiz-results-review{max-width:980px;margin:0 auto;padding:clamp(20px,4vw,42px);animation:.17s both quiz-panel-enter}.quiz-results-summary{border-bottom:1px solid var(--color-line);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:28px;padding-bottom:22px;display:grid}.quiz-results-summary h2{letter-spacing:-.035em;margin:6px 0 0;font-size:clamp(24px,4vw,34px)}.quiz-results-summary p:not(.eyebrow){max-width:600px;color:var(--color-muted);margin:8px 0 0;font-size:11px;line-height:1.55}.quiz-score{border-left:1px solid var(--color-line);text-align:right;min-width:130px;padding-left:24px}.quiz-score strong,.quiz-score span{display:block}.quiz-score strong{color:var(--color-success);font-family:var(--font-mono);font-size:clamp(30px,5vw,42px);line-height:1}.quiz-score span{color:var(--color-dim);margin-top:7px;font-size:9px}.quiz-score--unavailable strong{color:var(--color-dim)}.quiz-grading-notice{border-radius:var(--radius-control);color:var(--color-warning);background:var(--color-warning-soft);justify-content:space-between;align-items:center;gap:14px;margin-top:18px;padding:12px 13px;display:flex}.quiz-grading-notice--failed{color:var(--color-danger);background:var(--color-danger-soft)}.quiz-grading-notice strong,.quiz-grading-notice span{display:block}.quiz-grading-notice strong{font-size:11px}.quiz-grading-notice span{margin-top:3px;font-size:9px;line-height:1.45}.quiz-pdf-export{margin-top:18px}.quiz-result-questions{gap:12px;margin-top:20px;display:grid}.quiz-result-question{border:1px solid var(--color-line);border-left:3px solid var(--color-line-strong);border-radius:var(--radius-panel);background:var(--color-surface);padding:18px}.quiz-result-question--correct{border-left-color:var(--color-success)}.quiz-result-question--partial{border-left-color:var(--color-warning)}.quiz-result-question--incorrect{border-left-color:var(--color-danger)}.quiz-result-question>header{grid-template-columns:30px minmax(0,1fr) auto;align-items:start;gap:10px;display:grid}.quiz-result-question>header>span{width:29px;height:29px;color:var(--color-accent);background:var(--color-accent-soft);font-family:var(--font-mono);border-radius:8px;place-items:center;font-size:9px;font-weight:800;display:grid}.quiz-result-question [role=heading]{margin:2px 0 0;font-size:14px;font-weight:800;line-height:1.4}.quiz-result-question [role=heading] .markdown-content{font-size:inherit;line-height:inherit}.quiz-result-question header small{color:var(--color-dim);margin-top:4px;font-size:9px;display:block}.quiz-result-question header>strong{color:var(--color-muted);font-family:var(--font-mono);white-space:nowrap;font-size:9px}.quiz-result-question--correct header>strong{color:var(--color-success)}.quiz-result-question--partial header>strong{color:var(--color-warning)}.quiz-result-question--incorrect header>strong{color:var(--color-danger)}.quiz-result-answer{border-block:1px solid var(--color-line);grid-template-columns:repeat(2,minmax(0,1fr));margin:15px 0 0 40px;display:grid}.quiz-result-answer>div{padding:10px 12px 10px 0}.quiz-result-answer>div+div{border-left:1px solid var(--color-line);padding-left:12px}.quiz-result-answer dt{color:var(--color-dim);letter-spacing:.04em;text-transform:uppercase;font-size:8px;font-weight:800}.quiz-result-answer dd{color:var(--color-ink);white-space:pre-wrap;margin:5px 0 0;font-size:11px;line-height:1.5}.quiz-result-explanation,.quiz-result-sources,.quiz-result-unavailable{margin:13px 0 0 40px}.quiz-result-explanation>strong,.quiz-result-sources>strong{color:var(--color-dim);letter-spacing:.04em;text-transform:uppercase;margin-bottom:5px;font-size:8px;display:block}.quiz-result-explanation .markdown-content{color:var(--color-muted);font-size:11px;line-height:1.55}.quiz-result-unavailable{color:var(--color-dim);font-size:10px}.quiz-result-sources ul{flex-wrap:wrap;gap:7px;margin:0;padding:0;list-style:none;display:flex}.quiz-result-sources a{border-left:3px solid var(--color-accent);border-radius:0 var(--radius-control) var(--radius-control) 0;max-width:100%;color:var(--color-muted);background:var(--color-accent-soft);grid-template-columns:auto minmax(0,1fr);gap:7px;padding:8px 9px;font-size:9px;line-height:1.4;text-decoration:none;display:grid}.quiz-result-sources a:hover{color:var(--color-ink)}.quiz-result-sources a:focus-visible{box-shadow:var(--focus-ring);outline:0}.quiz-result-sources a>span{color:var(--color-accent-strong);white-space:nowrap;font-weight:800}.quiz-result-sources q{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.quiz-results-state{text-align:center;align-content:center;place-items:center;min-height:430px;padding:28px;display:grid}.quiz-results-state__spinner{border:2px solid var(--color-line);border-top-color:var(--color-accent);border-radius:999px;width:22px;height:22px;margin-bottom:16px;animation:.7s linear infinite spinner-turn}.quiz-results-state h2{margin:7px 0 0;font-size:22px}.quiz-results-state>p:not(.eyebrow){max-width:460px;color:var(--color-muted);margin:8px 0 0;font-size:11px;line-height:1.55}.public-home{min-height:100svh;color:var(--color-ink);background:linear-gradient(160deg, #6657e81a, #fff0 38%), var(--color-canvas)}.public-home__header,.public-home__main,.public-home__footer{width:min(100% - 2 * var(--space-page), 1180px);margin:0 auto}.public-home__header{justify-content:space-between;align-items:center;gap:16px;min-height:72px;display:flex}.public-home__hero{grid-template-columns:minmax(0,.92fr) minmax(0,1fr);align-items:center;gap:clamp(28px,4vw,56px);padding:clamp(28px,6vh,64px) 0 clamp(40px,8vh,80px);display:grid}.public-home__intro{min-width:0;animation:.3s both auth-visual-enter}.public-home__intro h1{letter-spacing:-.04em;max-width:620px;margin:12px 0 16px;font-size:clamp(34px,4.4vw,54px);line-height:1.02}.public-home__summary{max-width:540px;color:var(--color-muted);margin:0;font-size:15px;line-height:1.6}.public-home__actions{flex-wrap:wrap;gap:10px;margin-top:24px;display:flex}.ui-button.public-home__cta{text-align:center;height:auto;min-height:40px;padding:10px 16px;font-size:13px;line-height:1.25}.public-home__note{color:var(--color-dim);margin:14px 0 0;font-size:11px;line-height:1.5}.home-preview{border-radius:var(--radius-frame);background:#ffffffd1;border:1px solid #6657e833;min-width:0;animation:.36s .1s both auth-preview-enter;overflow:hidden;box-shadow:0 24px 60px #1f24331a}.home-preview__topbar{border-bottom:1px solid var(--color-line);height:38px;color:var(--color-muted);font-family:var(--font-mono);justify-content:space-between;align-items:center;gap:12px;padding:0 12px;font-size:9px;display:flex}.home-preview__status{color:#087b59;background:var(--color-success-soft);font-family:var(--font-sans);border-radius:999px;padding:4px 7px;font-weight:800}.home-preview__body{grid-template-columns:minmax(0,.9fr) minmax(0,1fr);min-height:300px;display:grid}.home-preview__document{background:var(--color-panel-strong);place-items:center;padding:22px;display:grid}.home-preview__paper{border:1px solid var(--color-line);background:var(--color-surface);gap:10px;width:min(100%,220px);padding:22px 20px 30px;display:grid;box-shadow:0 8px 20px #1f243314}.home-preview__paper small{color:var(--color-dim);font-family:var(--font-mono);font-size:8px}.home-preview__paper span,.workflow-preview__line{background:var(--color-line);border-radius:999px;width:100%;height:7px;display:block}.home-preview__paper .home-preview__line--short,.workflow-preview__line--short{width:58%}.home-preview__paper .home-preview__line--medium{width:78%}.home-preview__paper mark{border-left:2px solid var(--color-accent);color:var(--color-ink);background:var(--color-accent-soft);border-radius:3px;padding:6px 7px;font-size:9px;line-height:1.45}.home-preview__thread{border-left:1px solid var(--color-line);background:var(--color-surface);align-content:start;gap:10px;padding:18px 16px;display:grid}.home-preview__question{max-width:92%;color:var(--color-surface);background:var(--color-accent);border-radius:10px 10px 3px;justify-self:end;margin:0;padding:9px 11px;font-size:11px;font-weight:700;line-height:1.4}.home-preview__answer{border:1px solid var(--color-line);background:var(--color-panel);border-radius:10px 10px 10px 3px;padding:10px 11px}.home-preview__answer p{color:var(--color-ink);margin:0 0 8px;font-size:11px;line-height:1.5}.home-preview__citation,.workflow-preview__chips span{color:var(--color-accent-strong);background:var(--color-accent-soft);font-family:var(--font-mono);border-radius:999px;padding:3px 7px;font-size:9px;font-weight:700;display:inline-flex}.home-preview__saved,.workflow-preview__saved{border-radius:var(--radius-control);color:#087b59;background:var(--color-success-soft);padding:8px 10px;font-size:10px;font-weight:800}.public-home__workflows{border-top:1px solid var(--color-line);padding:clamp(32px,6vh,56px) 0}.public-home__section-heading h2,.public-home__access h2{letter-spacing:-.025em;margin:8px 0 0;font-size:clamp(22px,2.6vw,28px);line-height:1.15}.workflow-list{border:1px solid var(--color-line);background:var(--color-surface);border-radius:12px;grid-template-columns:repeat(4,minmax(0,1fr));margin:24px 0 0;padding:0;list-style:none;display:grid}.workflow-list__item{border-right:1px solid var(--color-line);align-content:start;gap:16px;min-width:0;padding:18px;display:grid}.workflow-list__item:last-child{border-right:0}.workflow-list__label{color:var(--color-accent);font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;align-items:center;gap:6px;font-size:10px;font-weight:700;display:inline-flex}.workflow-list__label .ui-icon{width:14px;height:14px}.workflow-list__copy h3{letter-spacing:-.01em;margin:8px 0 6px;font-size:15px}.workflow-list__copy p{color:var(--color-muted);margin:0;font-size:12px;line-height:1.55}.workflow-preview{border:1px solid var(--color-line);border-radius:var(--radius-panel);background:var(--color-panel);align-content:center;gap:8px;height:112px;padding:14px;display:grid}.workflow-preview__bubble{max-width:92%;color:var(--color-surface);background:var(--color-accent);border-radius:9px 9px 3px;justify-self:end;padding:7px 9px;font-size:10px;font-weight:700;line-height:1.35}.workflow-preview__input{border:1px solid var(--color-line);border-radius:var(--radius-control);color:var(--color-dim);background:var(--color-surface);padding:7px 9px;font-size:10px}.workflow-preview__chips{gap:6px;margin-top:4px;display:flex}.workflow-preview__highlight{color:#996005;background:var(--color-warning-soft);border-radius:3px;justify-self:start;padding:4px 7px;font-size:10px;font-weight:700}.workflow-preview__saved{justify-self:start}.workflow-preview__option{border:1px solid var(--color-line);border-radius:var(--radius-control);color:var(--color-muted);background:var(--color-surface);padding:6px 9px;font-size:10px;font-weight:700}.workflow-preview__option--correct{color:#087b59;background:var(--color-success-soft);border-color:#13a87a73}.public-home__access{border:1px solid var(--color-line);background:var(--color-surface);border-radius:12px;justify-content:space-between;align-items:center;gap:24px;margin-bottom:32px;padding:24px;display:flex}.public-home__access p{max-width:520px;color:var(--color-muted);margin:8px 0 0;font-size:13px;line-height:1.55}.public-home__access .public-home__actions{flex:none;margin-top:0}.public-home__footer{border-top:1px solid var(--color-line);color:var(--color-dim);font-family:var(--font-mono);flex-wrap:wrap;justify-content:space-between;gap:8px 16px;padding:18px 0 28px;font-size:10px;line-height:1.5;display:flex}.shell-nav__link{position:relative}.shell-nav__action{width:100%;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;font-size:12px}.shell-nav__action:focus-visible,.feedback-form__category:focus-within{box-shadow:var(--focus-ring);outline:0}.shell-nav__badge{min-width:18px;height:18px;color:var(--color-surface);background:var(--color-accent);border-radius:999px;justify-content:center;align-items:center;margin-left:auto;padding:0 5px;font-size:10px;font-weight:800;display:inline-flex}.feedback-form__categories{border:0;gap:6px;min-width:0;margin:0;padding:0;display:grid}.feedback-form__categories legend{margin-bottom:6px;padding:0}.feedback-form__categories[aria-invalid=true] .feedback-form__category{border-color:var(--color-danger)}.feedback-form__category{border:1px solid var(--color-line);border-radius:var(--radius-control);background:var(--color-surface);cursor:pointer;align-items:flex-start;gap:9px;padding:9px 10px;transition:border-color .15s,background .15s;display:flex}.feedback-form__category:hover{border-color:var(--color-line-strong)}.feedback-form__category:has(input:checked){border-color:var(--color-accent);background:var(--color-accent-soft)}.feedback-form__category input{accent-color:var(--color-accent);margin:2px 0 0}.feedback-form__category strong,.feedback-form__category small{display:block}.feedback-form__category strong{color:var(--color-ink);font-size:12px}.feedback-form__category small{color:var(--color-muted);margin-top:2px;font-size:10px}.feedback-form__message{resize:vertical;border:1px solid var(--color-line);border-radius:var(--radius-control);width:100%;min-height:96px;color:var(--color-ink);background:var(--color-surface);font:inherit;padding:9px 11px;font-size:12px;line-height:1.5}.feedback-form__message:focus{border-color:var(--color-accent);box-shadow:var(--focus-ring);outline:0}.feedback-form__message[aria-invalid=true]{border-color:var(--color-danger)}.feedback-form__error{border-radius:var(--radius-control);color:var(--color-danger);background:var(--color-danger-soft);margin:0;padding:10px 12px;font-size:11px}.feedback-sent{gap:8px;display:grid}.feedback-sent strong{color:var(--color-ink);font-size:13px}.feedback-sent p{color:var(--color-muted);margin:0;font-size:11px;line-height:1.55}.feedback-page{max-width:860px;margin:0 auto}.feedback-page__heading{align-items:end;gap:18px}.feedback-list,.feedback-conversation{margin:0;padding:0;list-style:none}.feedback-list{gap:10px;display:grid}.feedback-thread{border:1px solid var(--color-line);border-radius:var(--radius-panel);background:var(--color-surface);gap:10px;padding:14px;display:grid}.feedback-thread--unread{border-color:var(--color-accent);box-shadow:inset 3px 0 0 var(--color-accent)}.feedback-thread__meta{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.feedback-thread__meta strong{color:var(--color-ink);font-size:12px}.feedback-thread__meta time{color:var(--color-dim);margin-left:auto;font-size:10px}.feedback-conversation{gap:8px;display:grid}.feedback-message{border-radius:var(--radius-control);background:var(--color-panel);padding:9px 11px}.feedback-message--admin{border-left:3px solid var(--color-accent);background:var(--color-accent-soft)}.feedback-message__author{justify-content:space-between;gap:10px;font-size:10px;display:flex}.feedback-message__author strong{color:var(--color-ink)}.feedback-message__author time{color:var(--color-dim)}.feedback-message p{color:var(--color-ink);white-space:pre-wrap;overflow-wrap:anywhere;margin:4px 0 0;font-size:12px;line-height:1.55}.admin-feedback-table__message{-webkit-line-clamp:2;line-clamp:2;white-space:normal;-webkit-box-orient:vertical;max-width:460px;font-weight:600;display:-webkit-box;overflow:hidden}.admin-feedback-thread{gap:12px;max-height:min(70vh,640px);display:grid;overflow:auto}.admin-feedback-thread__meta{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 14px;margin:0;font-size:10px;display:grid}.admin-feedback-thread__meta dt{color:var(--color-dim);font-weight:700}.admin-feedback-thread__meta dd{overflow-wrap:anywhere;color:var(--color-ink);margin:2px 0 0}.admin-feedback-thread__meta code{font-family:var(--font-mono);font-size:10px}.admin-feedback-thread__status{border-block:1px solid var(--color-line);color:var(--color-muted);flex-wrap:wrap;align-items:center;gap:8px;padding-block:10px;font-size:11px;font-weight:700;display:flex}.admin-feedback-thread__status select{border:1px solid var(--color-line-strong);border-radius:var(--radius-control);min-height:34px;color:var(--color-ink);background:var(--color-surface);padding:0 10px;font-size:11px}}@layer utilities{.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}.relative{position:relative}.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}}.block{display:block}.contents{display:contents}.hidden{display:none}.inline{display:inline}.table{display:table}.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}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}@keyframes citation-highlight-enter{0%{background:#6657e814;box-shadow:0 0 0 4px #6657e829}}@keyframes annotation-action-enter{0%{opacity:0;transform:translate(-50%,6px)scale(.98)}}@media (prefers-reduced-motion:reduce){.app-frame--document .mobile-scrim,.shell-sidebar--document,.pdf-viewer__body,.pdf-citation-highlight,.pdf-selection-action,.note-list-panel--overlay,.note-sources-panel--overlay{transition:none;animation:none}}@media (width<=680px){.admin-toolbar{flex-direction:column;align-items:stretch}.admin-toolbar .ui-button{width:100%}.admin-filters{grid-template-columns:1fr;max-width:none}.admin-invites li{grid-template-columns:minmax(0,1fr) auto;padding-block:9px}.admin-invites li>.ui-button{grid-column:1/-1;width:100%}.admin-operations__heading{flex-direction:column;align-items:stretch}.admin-operations__heading .ui-button{width:100%}.admin-provider-form{grid-template-columns:1fr}.admin-provider-form__footer{flex-direction:column;align-items:stretch}.admin-provider-form__footer .ui-button{width:100%}.admin-target-list li{grid-template-columns:1fr}.admin-target-list .ui-button{width:100%}}@media (width<=900px){.admin-operations__grid{grid-template-columns:1fr}}@media (prefers-reduced-motion:no-preference){.admin-directory,.admin-invites{animation:.16s both admin-section-enter}.admin-invites{animation-delay:35ms}.admin-ops-section{animation:.16s both admin-section-enter}}@keyframes admin-section-enter{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@media (width<=1120px){:root{--sidebar-width:76px;--space-page:18px}.shell-sidebar{align-items:center;padding:14px 9px}.shell-brand{padding-inline:0}.shell-brand__copy,.shell-nav__label,.shell-nav__link span,.shell-course-nav__count,.shell-course-link__name,.shell-course-link__chevron,.shell-course-nav__empty,.shell-course-nav__retry span,.shell-course-nav__retry small,.credit-summary{display:none}.shell-nav__link,.shell-course-link,.shell-course-nav__retry{justify-content:center;width:42px;padding:0}.shell-course-nav__loading{padding-inline:0}.shell-course-nav__loading span{width:42px}.course-section-grid{grid-template-columns:1fr}.notes-workspace{--notes-list-width:200px}.ui-button.notes-panel-toggle{width:30px;padding:0}.notes-panel-toggle>span{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.pdf-viewer__header{flex-direction:column;align-items:flex-start;gap:8px}.pdf-viewer__body--pages-open{grid-template-columns:86px minmax(0,1fr)}.pdf-viewer__body--tools-open{grid-template-columns:minmax(0,1fr) 290px}.pdf-viewer__body--pages-open.pdf-viewer__body--tools-open{grid-template-columns:86px minmax(0,1fr) 290px}.pdf-viewer__identity h2{max-width:calc(100vw - 180px)}.course-artifact-section{border-right:0;border-bottom:1px solid var(--color-line)}.course-artifact-section:last-child{border-bottom:0}.welcome-panel{grid-template-columns:1fr}.auth-shell{grid-template-columns:minmax(0,1fr) minmax(360px,.8fr)}.auth-preview__body{grid-template-columns:64px 1fr}.auth-preview__notes{display:none}.setup-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.setup-steps li{border-right:1px solid var(--color-line);border-bottom:0}.setup-steps li:last-child{border-right:0}}@media (width>=761px) and (width<=820px){.pdf-viewer__body{grid-template-rows:minmax(0,1fr);grid-template-columns:1fr}.pdf-viewer__body--pages-open{grid-template-rows:64px minmax(0,1fr);grid-template-columns:1fr}.pdf-viewer__body--tools-open{grid-template-rows:minmax(0,1fr) minmax(220px,34vh);grid-template-columns:1fr}.pdf-viewer__body--pages-open.pdf-viewer__body--tools-open{grid-template-rows:64px minmax(0,1fr) minmax(220px,34vh);grid-template-columns:1fr}.pdf-page-rail{border-right:0;border-bottom:1px solid var(--color-line);grid-auto-columns:64px;grid-auto-flow:column;padding:7px 8px;overflow:auto hidden}.pdf-page-rail__item{justify-content:center;align-items:center;padding:5px;display:flex}.pdf-page-rail__preview{aspect-ratio:auto;width:30px;height:42px}.pdf-page-rail__item>span:last-child{display:none}.pdf-study-panel{border-top:1px solid var(--color-line);border-left:0}.pdf-selection-action,.pdf-selection-notice{bottom:calc(34vh + 14px);left:50%}}@media (width<=760px){:root{--space-page:14px}.app-canvas{padding:0}.app-frame{border:0;border-radius:0;grid-template-columns:1fr;min-height:100svh}.shell-sidebar{visibility:hidden;width:min(286px,100vw - 44px);height:100svh;min-height:0;box-shadow:var(--shadow-menu);align-items:stretch;padding:16px 14px;transition:transform .18s,visibility .18s;position:fixed;inset:0 auto 0 0;transform:translate(-105%)}.shell-sidebar--open{visibility:visible;transform:translate(0)}.shell-sidebar--open .shell-brand__copy,.shell-sidebar--open .shell-nav__label,.shell-sidebar--open .shell-nav__link span,.shell-sidebar--open .shell-course-nav__count,.shell-sidebar--open .shell-course-link__name,.shell-sidebar--open .shell-course-link__chevron,.shell-sidebar--open .shell-course-nav__empty,.shell-sidebar--open .shell-course-nav__retry span,.shell-sidebar--open .shell-course-nav__retry small,.shell-sidebar--open .credit-summary{display:block}.shell-sidebar--open .shell-nav__link{justify-content:flex-start;width:auto;padding:0 9px}.shell-sidebar--open .shell-course-link,.shell-sidebar--open .shell-course-nav__retry{justify-content:flex-start;width:auto;padding:0 7px}.shell-sidebar--open .shell-course-nav__retry{padding-block:8px}.ui-button.shell-sidebar__close{display:inline-flex}.mobile-scrim{z-index:20;visibility:hidden;opacity:0;background:#171b2766;transition:opacity .18s,visibility .18s;display:block;position:fixed;inset:0}.mobile-scrim--visible{visibility:visible;opacity:1}.shell-topbar{min-height:62px;padding:10px 12px}.shell-topbar--document{min-height:calc(48px + env(safe-area-inset-top));padding:calc(6px + env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) 6px max(12px, env(safe-area-inset-left))}.ui-button.shell-topbar__menu{display:inline-flex}.shell-topbar__title p,.shell-topbar__actions>.ui-status{display:none}.shell-content{padding:14px}.shell-content--document{padding:0}.pdf-viewer{border-radius:var(--radius-panel);height:calc(100svh - 90px);min-height:480px}.shell-content--document .pdf-viewer{height:calc(100svh - 48px - env(safe-area-inset-top));border-radius:0;min-height:0}.pdf-viewer__header{padding:8px}.pdf-viewer__identity{width:100%}.pdf-viewer__identity h2{max-width:calc(100vw - 118px)}.pdf-viewer__identity p{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.pdf-viewer__controls{scrollbar-width:none;width:100%;padding-bottom:2px;padding-right:24px;overflow-x:auto;-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 32px),#0000);mask-image:linear-gradient(90deg,#000 calc(100% - 32px),#0000)}.pdf-viewer__controls .ui-button{min-width:44px;height:44px}.pdf-viewer__controls .ui-button--icon{width:44px}.pdf-page-control,.pdf-zoom-label{height:44px}.pdf-viewer__search{padding-inline:max(8px, env(safe-area-inset-left)) max(8px, env(safe-area-inset-right));flex-wrap:wrap}.pdf-viewer__search label{width:100%}.pdf-viewer__search input{flex:1;width:auto;min-width:0;height:44px}.pdf-viewer__search .ui-button{min-width:44px;height:44px}.pdf-ink-toolbar{min-height:48px;padding-inline:max(8px, env(safe-area-inset-left)) max(8px, env(safe-area-inset-right));scrollbar-width:none;overflow-x:auto}.pdf-ink-toolbar::-webkit-scrollbar{display:none}.pdf-ink-toolbar button,.pdf-ink-color input,.pdf-ink-width select{min-height:38px}.pdf-ink-toolbar__status{min-width:180px;margin-left:4px}.pdf-viewer__controls::-webkit-scrollbar{display:none}.pdf-viewer__body{grid-template-rows:minmax(0,1fr);grid-template-columns:1fr}.pdf-viewer__body--pages-open{grid-template-rows:64px minmax(0,1fr);grid-template-columns:1fr}.pdf-viewer__body--tools-open{grid-template-rows:minmax(0,1fr) minmax(240px,40vh);grid-template-columns:1fr}.pdf-viewer__body--pages-open.pdf-viewer__body--tools-open{grid-template-rows:64px minmax(0,1fr) minmax(240px,40vh);grid-template-columns:1fr}.pdf-page-rail{border-right:0;border-bottom:1px solid var(--color-line);grid-auto-columns:64px;grid-auto-flow:column;padding:7px 8px;overflow:auto hidden}.pdf-page-rail__item{justify-content:center;align-items:center;padding:5px;display:flex}.pdf-page-rail__preview{aspect-ratio:auto;width:30px;height:42px}.pdf-page-rail__item>span:last-child{display:none}.pdf-page-scroll{padding:8px}.pdf-study-panel{border-top:1px solid var(--color-line);border-left:0}.pdf-annotation-panel__header{min-height:48px;padding-block:7px}.pdf-text-layer-warning{max-width:min(270px,100% - 20px);margin:0;position:absolute;bottom:10px;right:10px}.pdf-selection-action>span{display:none}.pdf-selection-action,.pdf-selection-notice{bottom:calc(40vh + 14px);left:50%}.document-chat__header{justify-content:space-between;align-items:center;gap:12px;display:flex}.document-chat__history{padding-inline:14px}.document-chat__composer{grid-template-columns:minmax(0,1fr) auto}.document-chat__composer>label,.document-chat__scope-control,.document-chat__composer textarea,.document-chat__composer-notice,.document-chat__composer-error,.document-chat__composer>div{grid-column:1/-1}.welcome-panel{gap:24px;padding:20px}.course-overview{flex-direction:column;align-items:start}.notes-page__heading{flex-direction:column;align-items:stretch}.notes-page__heading .ui-button{width:100%}.notes-page__actions{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.notes-pdf-export,.notes-pdf-export__actions{flex-direction:column;align-items:stretch}.notes-workspace{min-height:480px;height:calc(100svh - var(--topbar-height) - (2 * var(--space-page)));flex:none}.note-editor-panel{--note-gutter:17px}.note-editor-panel__toolbar{gap:6px;padding:8px}.ui-button.notes-panel-toggle{width:auto;padding:0 8px}.notes-panel-toggle>span{clip:auto;width:auto;height:auto;position:static;overflow:visible}.note-editor-panel__lead{flex:auto}.note-editor-panel__actions{flex:100%;order:2;justify-content:space-between;margin-left:0}.note-editor-panel__actions .note-save-status{margin-right:auto}.note-save-banner{flex-direction:column;align-items:stretch}.note-title-field{padding-top:16px}.note-writing-surface,.note-preview{padding-top:14px;padding-bottom:16px}.note-writing-surface__footer{flex-direction:column;align-items:flex-start;gap:3px}.course-empty-row{grid-template-columns:40px minmax(0,1fr)}.course-empty-row .ui-button{grid-column:1/-1;width:100%}.document-section__heading{flex-direction:column;align-items:stretch}.document-section__heading .ui-button{width:100%}.document-upload,.document-row{grid-template-columns:38px minmax(0,1fr)}.document-upload>.ui-button,.document-row__actions{grid-column:1/-1}.document-upload>.ui-button{width:100%}.document-row__actions{justify-content:flex-end}.course-list-row{grid-template-columns:34px minmax(0,1fr) 18px}.course-list-row__status{display:none}.setup-steps{grid-template-columns:1fr}.setup-steps li{border-right:0;border-bottom:1px solid var(--color-line)}.settings-layout,.auth-shell{grid-template-columns:1fr}.auth-visual{border-right:0;border-bottom:1px solid var(--color-line);gap:0;min-height:auto;padding:24px 18px 26px}.auth-visual>div>.eyebrow{margin-top:34px}.auth-visual h1{max-width:560px;margin-top:10px;font-size:clamp(32px,10vw,46px)}.auth-preview,.auth-visual__footnote{display:none}.auth-panel{padding:18px 14px 28px}.auth-card{padding:20px}}@media (width<=420px){.button-label{display:none}.shell-topbar__title h1{text-overflow:ellipsis;white-space:nowrap;max-width:120px;overflow:hidden}}@keyframes shell-enter{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@keyframes document-processing{0%{transform:translate(-110%)}55%{transform:translate(110%)}to{transform:translate(260%)}}@keyframes menu-enter{0%{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:translateY(0)}}@keyframes dialog-enter{0%{opacity:0;transform:translate(-50%,calc(5px - 50%))scale(.99)}to{opacity:1;transform:translate(-50%,-50%)scale(1)}}@keyframes skeleton-slide{0%{background-position:100% 0}to{background-position:-100% 0}}@keyframes auth-visual-enter{0%{opacity:0;transform:translate(-5px)}to{opacity:1;transform:translate(0)}}@keyframes auth-card-enter{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes auth-preview-enter{0%{opacity:0;transform:translateY(8px)scale(.99)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes chat-message-enter{0%{opacity:0;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}@keyframes spinner-turn{to{transform:rotate(360deg)}}@keyframes note-save-pulse{to{opacity:.35;transform:scale(.82)}}@keyframes notes-drawer-enter{0%{opacity:0;transform:translateX(var(--notes-drawer-from,0))}to{opacity:1;transform:translate(0)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (width<=980px){.quiz-setup-layout{grid-template-columns:minmax(0,1fr) 220px}.quiz-attempt-layout{grid-template-columns:190px minmax(0,1fr)}}@media (width<=760px){.quiz-collection__heading,.quiz-attempt-header,.quiz-setup-form__actions{flex-direction:column;align-items:stretch}.quiz-collection__heading .ui-button,.quiz-setup-form__actions .ui-button{width:100%}.quiz-list-row{grid-template-columns:34px minmax(0,1fr) 16px}.quiz-list-row__date{display:none}.quiz-setup-layout{grid-template-columns:1fr}.quiz-setup-aside{grid-template-columns:1fr 1fr}.quiz-setup-aside>div:first-child{border-right:1px solid var(--color-line)}.quiz-start-page{margin-top:0}.quiz-start-summary{padding:21px}.quiz-start-summary dl{grid-template-columns:1fr}.quiz-start-summary dl div{border-right:0;border-bottom:1px solid var(--color-line);justify-content:space-between;align-items:center;display:flex}.quiz-start-summary dl div:last-child{border-bottom:0}.quiz-attempt-header>div:last-child{justify-content:space-between}.quiz-attempt-layout{grid-template-columns:1fr;min-height:0;overflow:visible}.quiz-question-nav{z-index:3;border-right:0;border-bottom:1px solid var(--color-line);position:sticky;top:0;overflow:auto hidden}.quiz-question-nav>div{position:sticky;left:0}.quiz-question-nav ol{grid-auto-columns:minmax(142px,45vw);grid-auto-flow:column}.quiz-question-panel,.quiz-review-panel{min-height:520px;padding:20px 16px}.quiz-question-actions{flex-direction:column-reverse;align-items:stretch}.quiz-question-actions>.ui-button,.quiz-question-actions>div,.quiz-question-actions>div .ui-button{width:100%}.quiz-review-actions{flex-direction:column-reverse}.quiz-review-actions>*{width:100%}.quiz-history-list a{grid-template-columns:30px minmax(0,1fr) 16px}.quiz-history-list__status,.quiz-history-list time{display:none}.quiz-results-summary{grid-template-columns:1fr;gap:18px}.quiz-score{text-align:left;border-left:0;padding:0}.quiz-grading-notice{flex-direction:column;align-items:stretch}.quiz-grading-notice .ui-button{width:100%}.quiz-result-question{padding:15px 12px}.quiz-result-question>header{grid-template-columns:30px minmax(0,1fr)}.quiz-result-question header>strong{white-space:normal;grid-column:2}.quiz-result-answer{grid-template-columns:1fr;margin-left:40px}.quiz-result-answer>div+div{border-top:1px solid var(--color-line);border-left:0;padding-left:0}}@media (width<=420px){.quiz-mix-fields,.quiz-setup-aside{grid-template-columns:1fr}.quiz-setup-aside>div:first-child{border-right:0}.quiz-attempt-header>div:last-child{flex-direction:column;align-items:flex-start}.quiz-choice{grid-template-columns:auto minmax(0,1fr)}.quiz-choice>span:first-of-type{display:none}.quiz-result-answer,.quiz-result-explanation,.quiz-result-sources,.quiz-result-unavailable{margin-left:0}.quiz-result-sources a{grid-template-columns:1fr}}@keyframes quiz-panel-enter{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){.quiz-start-summary,.quiz-question-panel,.quiz-review-panel,.quiz-results-review,.quiz-results-state{animation:none}.quiz-choice{transition:none}.quiz-progress::-webkit-progress-value{transition:none}}@media (width<=1120px){.workflow-list{grid-template-columns:repeat(2,minmax(0,1fr))}.workflow-list__item:nth-child(2n){border-right:0}.workflow-list__item:nth-child(-n+2){border-bottom:1px solid var(--color-line)}.public-home__access{flex-direction:column;align-items:flex-start}}@media (width<=900px){.public-home__hero{grid-template-columns:1fr}.public-home__intro h1{max-width:680px}}@media (width<=560px){.public-home__header,.public-home__main,.public-home__footer{width:calc(100% - 32px)}.public-home__header{min-height:64px}.public-home__intro h1{font-size:clamp(30px,9vw,38px)}.public-home__actions,.public-home__access .public-home__actions{width:100%;display:grid}.home-preview__body{grid-template-columns:1fr;min-height:0}.home-preview__document{display:none}.home-preview__thread{border-left:0}.workflow-list{grid-template-columns:1fr}.workflow-list__item{border-right:0;border-bottom:1px solid var(--color-line)}.workflow-list__item:last-child{border-bottom:0}.public-home__access{padding:20px}}@media (width<=1120px){.shell-nav__badge{min-width:15px;height:15px;padding:0 3px;font-size:8px;position:absolute;top:2px;right:2px}.shell-sidebar--open .shell-nav__badge{position:static}}@media (width<=680px){.feedback-page__heading{flex-direction:column;align-items:stretch}.feedback-page__heading .ui-button{width:100%}.feedback-thread__meta time{width:100%;margin-left:0}.admin-feedback-thread__meta{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.feedback-form__category{transition:none}}@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}