@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.28"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#0b1020;color:#f7f7ff}.app-root{min-height:100vh;display:flex;flex-direction:column}.app-root.app-root-content-fit{min-height:0}.app-header{padding:16px 24px;border-bottom:1px solid rgba(255,255,255,.08);background:radial-gradient(circle at 0 0,#243b8f 0,transparent 55%),radial-gradient(circle at 100% 0,#7b1fa2 0,transparent 55%),#0b1020}.app-header-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.app-header h1{margin:0 0 4px;font-size:20px}.app-header p{margin:0;font-size:13px;opacity:.8}.main-tabs{display:flex;gap:4px}.main-tabs button{padding:8px 14px;background:#ffffff14;border:1px solid rgba(255,255,255,.12)}.main-tabs button.active{background:linear-gradient(135deg,#6c5ce7,#8e44ad);border-color:transparent}.app-main{flex:1;display:grid;grid-template-columns:260px minmax(0,1fr);gap:16px;padding:16px 24px 24px}.app-main.concepts-layout{grid-template-rows:auto auto auto 1fr}.app-main.concepts-layout .concepts-order-stats{grid-column:1;grid-row:1;align-self:start}.app-main.concepts-layout .concepts-order-type{grid-column:1;grid-row:2;align-self:start}.app-main.concepts-layout .concepts-order-list{grid-column:1;grid-row:3;align-self:start}.app-main.concepts-layout .concepts-order-status{grid-column:1;grid-row:4;align-self:start}.app-main.concepts-layout .concepts-order-editor{grid-column:2;grid-row:1 / -1;min-width:0}.app-main.concepts-layout .concept-stats-card{padding:8px 14px 10px;margin-bottom:0}.app-main.concepts-layout .concept-stats-card p{margin:0;font-size:13px}.app-main.concepts-layout .concepts-order-type,.app-main.concepts-layout .concepts-order-list,.app-main.concepts-layout .concepts-order-status{padding:10px 16px 14px}.app-main.concepts-layout .concepts-order-type h2,.app-main.concepts-layout .concepts-order-list h2,.app-main.concepts-layout .concepts-order-status h2{margin-top:0;margin-bottom:8px}.app-main .sidebar>.card h2{margin-top:0;margin-bottom:8px}.app-main .sidebar>.card{padding:10px 16px 14px}.card{background:#090e1ef5;border-radius:12px;padding:16px 18px;box-shadow:0 14px 45px #00000059;border:1px solid rgba(255,255,255,.04)}.sidebar{display:flex;flex-direction:column;gap:16px}.concept-stats-card .concept-stats-total{margin:0;font-size:14px}.concept-stats-card .concept-stats-total strong{font-weight:600}.editor{min-width:0}.form-card h2{margin-top:0;margin-bottom:8px}.field-row{margin-bottom:12px}.field-row label{display:flex;flex-direction:column;gap:4px}.concept-symbol-row{display:flex;align-items:flex-start;gap:16px;flex-wrap:wrap}.concept-symbol-row>label{flex:1;min-width:120px}.concept-symbol-preview{flex:0 0 auto;min-width:80px;padding:8px 12px;border-radius:8px;border:1px solid rgba(255,255,255,.1);background:#0003;display:flex;align-items:center;justify-content:center;min-height:38px;box-sizing:border-box}.concept-symbol-preview .markdown-preview,.concept-symbol-preview.markdown-preview{background:none;border:none;padding:0;margin:0;font-size:13px}.concept-symbol-inline,.concept-symbol-inline .markdown-preview,.concept-symbol-inline.markdown-preview{display:inline;background:none!important;border:none!important;padding:0!important;margin:0!important;border-radius:0}.concept-symbol-inline p,.concept-symbol-inline .markdown-preview p{display:inline;margin:0}.sidebar-label{display:flex;flex-direction:column;gap:4px;font-size:13px;margin-bottom:8px}input[type=text],input[type=number],select,textarea{border-radius:8px;border:1px solid rgba(255,255,255,.16);padding:6px 8px;background:#070b19f0;color:#f7f7ff;font-size:13px;outline:none}input:focus,select:focus,textarea:focus{border-color:#6c5ce7;box-shadow:0 0 0 1px #6c5ce780}textarea{resize:vertical}button{border-radius:999px;border:none;padding:6px 12px;font-size:13px;cursor:pointer;background:linear-gradient(135deg,#6c5ce7,#8e44ad);color:#f7f7ff;transition:background .15s ease,transform .05s ease}button:hover{background:linear-gradient(135deg,#7f6cf0,#9b59b6)}button:active{transform:translateY(1px)}button.danger{background:#dc3545e6}button.danger:hover{background:#e74c3cf2}.actions{display:flex;justify-content:flex-end;margin-top:12px}.success-banner{margin-bottom:16px;padding:10px 12px;border-radius:8px;background:#2ecc7126;border:1px solid rgba(46,204,113,.5);font-size:13px;color:#2ecc71}.error-banner{margin:16px 24px;padding:10px 12px;border-radius:8px;background:#dc354524;border:1px solid rgba(220,53,69,.7);font-size:13px}.success-text{color:#2ecc71}.error-text{color:#ff7675}.muted{opacity:.7}.muted.small{font-size:11px}.field-label-row{display:flex;align-items:center;justify-content:flex-start;gap:8px;margin-bottom:6px;font-size:13px}.field-label-with-hint{display:inline-flex;align-items:center;gap:4px}.field-label-with-hint .field-label-text{cursor:default}.field-label-hint{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;background:#fff3;color:inherit;font-size:12px;font-weight:700;line-height:1;cursor:help}.field-label-hint:hover{background:#ffffff4d}.field-label-with-hint-wrap{display:inline}.btn-icon{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border-radius:8px;border:1px solid rgba(255,255,255,.16);background:transparent;color:inherit;cursor:pointer}.btn-icon:hover:not(:disabled){background:#ffffff14}.btn-icon:disabled{opacity:.5;cursor:not-allowed}.btn-icon.danger:hover:not(:disabled){background:#dc354533;border-color:#dc354566}.form-card .actions .btn-icon{flex-shrink:0}.form-card .actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:flex-end}.link-row{margin-bottom:8px}.link-main{display:flex;gap:6px;align-items:center;margin-bottom:4px}.relation-toggle{min-width:32px;padding:6px}.suggestions{display:flex;flex-wrap:wrap;gap:4px;margin:4px 0}.suggestions button{background:#2196f31a;border-radius:999px;padding-inline:10px}.suggestions button:hover{background:#2196f333}.concept-list{margin-top:8px;max-height:260px;overflow:auto}.concept-list-item{width:100%;display:flex;flex-direction:column;align-items:flex-start;gap:2px;margin-bottom:4px;background:#131932e6}.concept-list-name{font-size:13px}.concept-list-meta{font-size:11px;opacity:.7}.cycle-concept-link{background:none;border:none;padding:0;font:inherit;color:var(--link-color, #7eb8da);cursor:pointer;text-decoration:underline}.cycle-concept-link:hover{opacity:.9}.link-chips{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:6px}.link-chip{display:inline-flex;align-items:center;gap:4px;padding:3px 4px;border-radius:999px;background:#00b8941a;font-size:11px;border:1px solid rgba(0,184,148,.7)}.link-chip-main{display:inline-flex;align-items:baseline;gap:4px;background:transparent;border:none;padding:2px 4px;color:inherit}.link-chip-text{white-space:nowrap}.link-chip-meta{opacity:.9}.link-chip-remove{border-radius:999px;background:transparent;border:none;padding:0 4px;font-weight:700;cursor:pointer}.link-chip-relation{border-radius:999px;border:none;padding:2px 8px;background:linear-gradient(135deg,#00b894,#0984e3);font-size:11px;cursor:pointer}select.link-chip-relation{cursor:pointer;color:#fff;min-width:2.2em;color-scheme:dark}select.link-chip-relation option,.relation-select option{background:#131932;color:#e8eaed}.relation-select{min-width:120px;padding:6px 8px;font-size:12px;background:#131932f2;color:#e8eaed;border:1px solid rgba(255,255,255,.2);border-radius:6px;color-scheme:dark}.relation-select option{background:#131932;color:#e8eaed}.graph-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:50}.graph-card{background:#090e1efa;border-radius:14px;padding:12px 14px 14px;border:1px solid rgba(255,255,255,.15);box-shadow:0 18px 55px #0009;width:92vw;height:88vh;display:flex;flex-direction:column;min-width:720px}.graph-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;font-size:13px}.graph-svg{background:radial-gradient(circle at 50% 30%,#283593 0,#0b1020 55%);border-radius:10px;width:80vw;height:70vh}.graph-sigma-container{background:radial-gradient(circle at 50% 30%,#283593 0,#0b1020 55%);border-radius:10px;width:100%;min-width:320px;flex:1;min-height:420px}.graph-legend{margin-top:8px;font-size:11px;opacity:.8}.graph-modal-toolbar{display:flex;flex-direction:column;gap:10px;margin-bottom:10px}.graph-modal-depth-control{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px}.graph-modal-depth-control select{min-width:72px;padding:6px 8px;border-radius:8px;border:1px solid rgba(255,255,255,.2);background:#ffffff14;color:inherit}.graph-modal-loading{font-size:11px;opacity:.8}.graph-modal-type-row{display:flex;align-items:center;gap:8px 14px;flex-wrap:wrap}.graph-type-toggle{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-size:12px;white-space:nowrap}.graph-type-dot{width:10px;height:10px;border-radius:999px;box-shadow:0 0 0 1px #ffffff40;flex-shrink:0}.graph-node-symbol-layer{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}.graph-node-symbol{position:absolute;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;color:#fff;text-align:center;white-space:nowrap;overflow:visible;text-shadow:0 1px 2px rgba(0,0,0,.8),0 0 8px rgba(0,0,0,.35);line-height:1}.graph-node-symbol .concept-symbol-inline{display:inline-flex;align-items:center;justify-content:center;max-width:none;white-space:nowrap;overflow:visible}.graph-node-symbol .markdown-preview{max-height:none;overflow:visible;white-space:nowrap}.graph-node-symbol .katex{font-size:1em}.graph-node-symbol .katex-display{margin:0}.graph-node-symbol-center{font-weight:600}.graph-settings{margin-top:6px;font-size:11px;opacity:.75;color:var(--muted-color, rgba(255, 255, 255, .65))}.graph-modal-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}.graph-header-actions{display:flex;align-items:center;gap:12px}.graph-modal-tabs{display:flex;gap:4px}.graph-modal-tabs button{padding:6px 14px;border:1px solid rgba(255,255,255,.25);border-radius:8px;background:#ffffff0f;color:inherit;cursor:pointer;font-size:13px}.graph-modal-tabs button:hover{background:#ffffff1a}.graph-modal-tabs button.active{background:#6c5ce759;border-color:#6c5ce780}.graph-settings-panel{flex:1;min-height:0;display:flex;flex-direction:column;overflow:auto}.graph-settings-sub-tabs{display:flex;gap:6px;margin-bottom:16px;flex-shrink:0}.graph-settings-sub-tabs button{padding:8px 16px;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:#ffffff0f;color:inherit;cursor:pointer;font-size:13px}.graph-settings-sub-tabs button:hover{background:#ffffff1a}.graph-settings-sub-tabs button.active{background:#6c5ce74d;border-color:#6c5ce780}.graph-settings-section{flex:1;min-height:0;overflow-y:auto}.graph-settings-section h3{margin:0 0 8px;font-size:14px}.graph-settings-form{display:flex;flex-direction:column;gap:12px;max-width:360px;margin-top:12px}.graph-settings-form .range-label .label-text{font-size:12px}.graph-settings-form input[type=range]{width:100%}.graph-settings-buttons{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px}.graph-settings-text{font-size:13px;line-height:1.5;max-width:560px}.graph-settings-text p{margin:0 0 12px}.graph-settings-text p:last-child{margin-bottom:0}.graph-settings-text code{font-size:12px;background:#0000004d;padding:2px 6px;border-radius:4px}.concepts-settings-panel{flex:1;min-height:0;overflow:auto;padding:16px 24px 24px;max-width:640px}.concepts-settings-panel .graph-settings-section h2{margin-top:0;margin-bottom:8px;font-size:16px}.concepts-settings-panel .graph-settings-subheading{margin:20px 0 6px;font-size:14px;font-weight:600}.concepts-settings-panel .graph-settings-subheading:first-of-type{margin-top:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.concepts-sub-tabs{display:flex;gap:4px;margin-bottom:12px;padding:0 4px}.concepts-sub-tabs button{padding:8px 16px;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:#ffffff0f;color:inherit;cursor:pointer;font-size:14px}.concepts-sub-tabs button:hover{background:#ffffff1a}.concepts-sub-tabs button.active{background:#6c5ce759;border-color:#6c5ce780}.concepts-graph-panel{display:flex;gap:16px;flex:1;min-height:0;min-width:0;padding:0 4px}.concepts-graph-sidebar{width:260px;flex-shrink:0;overflow-y:auto;padding:12px;background:#ffffff0a;border-radius:10px;border:1px solid rgba(255,255,255,.1)}.graph-panel-section{margin-bottom:16px}.graph-panel-section h3{margin:0 0 8px;font-size:13px;font-weight:600}.graph-panel-section .sidebar-label{display:flex;flex-direction:column;gap:4px;margin-bottom:8px}.graph-panel-section .label-text{font-size:11px;opacity:.9}.graph-panel-section input[type=text]{padding:6px 8px;border-radius:6px;border:1px solid rgba(255,255,255,.2);background:#0003;color:inherit;font-size:13px}.graph-type-filters{margin:8px 0;padding:8px;border:1px solid rgba(255,255,255,.12);border-radius:8px}.graph-type-filters legend{font-size:11px;opacity:.9;margin-bottom:6px}.graph-type-filters .checkbox-label{display:flex;align-items:center;gap:8px;margin-bottom:4px;font-size:12px;cursor:pointer}.graph-panel-section.range-label input[type=range],.concepts-graph-sidebar .range-label input[type=range]{width:100%}.concepts-graph-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px}.concepts-graph-viewer{flex:1;min-height:300px;min-width:0;background:radial-gradient(circle at 50% 30%,#283593 0,#0b1020 55%);border-radius:10px}.graph-panel-legend{font-size:11px;opacity:.8}.layer2-tab{padding:16px 24px 24px;max-width:100%;min-width:0}.layer2-tabs-row{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin-bottom:16px}.layer2-tabs-row-left{display:flex;align-items:center;justify-content:flex-start}.layer2-tabs-row-right{min-width:0}.layer2-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:6px}.layer2-tabs button{width:36px;height:36px;padding:0;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;background:#ffffff14;border:1px solid rgba(255,255,255,.12)}.layer2-tabs button.active{background:linear-gradient(135deg,#00b894,#0984e3);border-color:transparent}.layer2-tabs .tab-icon{opacity:.95}.admin-students-tab-wrap .sub-tabs{margin-top:12px;margin-bottom:16px;display:flex;flex-wrap:wrap;justify-content:center;gap:6px}.admin-students-tab-wrap .sub-tabs button{width:36px;height:36px;padding:0;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.admin-students-tab-wrap .sub-tabs .tab-icon{margin:0}.admin-students-display-settings{padding:16px 0;max-width:720px;margin:0 auto}.admin-students-display-settings .card-heading{margin:0 0 8px;font-size:18px}.concepts-tab-wrap{display:flex;flex-direction:column;flex:1;min-height:0}.concepts-tab-wrap .sub-tabs{margin-top:12px;margin-bottom:16px;display:flex;flex-wrap:wrap;justify-content:center;gap:6px}.concepts-tab-wrap .sub-tabs button{width:36px;height:36px;padding:0;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.concepts-tab-wrap .sub-tabs .tab-icon{margin:0}.layer2-tab{max-width:900px;margin-left:auto;margin-right:auto}.layer2-tab.layer2-tab-chains{max-width:1400px}.chains-form .chains-children-block{margin-top:12px}.chains-form-top-block{display:flex;flex-direction:column;gap:8px}.chains-form-top-block .chains-form-title-label{display:flex;flex-direction:column;gap:4px}.chains-form-meta-row{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:flex-end}.chains-form-meta-row label{display:flex;flex-direction:column;gap:4px;min-width:140px}.chains-form-meta-label{font-size:12px;opacity:.9}.chains-form-meta-row select{min-width:160px}.chains-form-checkboxes{display:flex;flex-wrap:wrap;gap:16px 24px;align-items:center}.chains-form-checkboxes .task-form-check-inline{display:inline-flex;flex-direction:row;align-items:center;gap:6px}.chains-task-search{width:100%;max-width:360px;margin-top:4px}.chains-suggestions{list-style:none;margin:8px 0 0;padding:0;max-height:200px;overflow-y:auto;border:1px solid rgba(255,255,255,.15);border-radius:6px;background:#00000026}.chains-suggestion-btn{display:block;width:100%;text-align:left;padding:6px 10px;border:none;background:none;color:inherit;cursor:pointer;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chains-suggestion-btn:hover{background:#ffffff1a}.chains-order-list{list-style:none;margin:8px 0 0;padding:0}.chains-order-item{display:flex;align-items:center;gap:8px;padding:4px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:13px}.chains-order-num{flex-shrink:0;width:24px;color:var(--muted-color, #999)}.chains-order-preview{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chains-order-actions{flex-shrink:0;display:flex;gap:2px}.chains-order-actions button{padding:2px 6px;font-size:12px;border:none;background:#ffffff1a;color:inherit;cursor:pointer;border-radius:4px}.chains-order-actions button:hover{background:#fff3}.layer2-list-actions{display:flex;gap:8px;flex-shrink:0}.layer2-section h2{margin-top:0;margin-bottom:12px}.layer2-section h3{margin:20px 0 8px;font-size:14px;opacity:.9}.layer2-form{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.layer2-form label{display:flex;flex-direction:column;gap:4px;font-size:13px}.layer2-fieldset{border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:10px 12px;display:flex;flex-direction:column;gap:10px}.layer2-fieldset legend{font-size:12px;opacity:.85}.layer2-check-row{display:inline-flex;flex-direction:row;align-items:center;gap:8px;cursor:pointer;align-self:flex-start;white-space:nowrap}.layer2-check-row input[type=checkbox]{cursor:pointer}.markdown-preview{padding:12px 14px;background:#00000040;border:1px solid rgba(255,255,255,.1);border-radius:8px;font-size:14px;line-height:1.5;max-height:400px;overflow:auto}.markdown-preview h1,.markdown-preview h2,.markdown-preview h3{margin:.75em 0 .35em;font-weight:600}.markdown-preview h1{font-size:1.35em}.markdown-preview h2{font-size:1.2em}.markdown-preview h3{font-size:1.1em}.markdown-preview p{margin:.5em 0}.markdown-preview ul,.markdown-preview ol{margin:.5em 0;padding-left:1.5em}.markdown-preview table{border-collapse:collapse;width:100%;margin:.75em 0;font-size:.95em}.markdown-preview th,.markdown-preview td{border:1px solid rgba(255,255,255,.2);padding:.4em .6em;text-align:left}.markdown-preview th{background:#ffffff14;font-weight:600}.markdown-preview tr:nth-child(2n) td{background:#00000026}.markdown-preview code{background:#ffffff1f;padding:.15em .4em;border-radius:4px;font-size:.92em}.markdown-preview pre{margin:.75em 0;padding:10px 12px;background:#0006;border-radius:6px;overflow-x:auto}.markdown-preview pre code{background:none;padding:0}.markdown-preview-error{color:#f0ad4e;font-size:13px}.markdown-preview .inline-katex{display:inline}.markdown-preview .inline-katex .katex{color:#f7f7ff;font-size:1.05em}.markdown-preview .block-katex{display:block;text-align:center;margin:.75em 0;overflow-x:auto}.markdown-preview .block-katex .katex{color:#f7f7ff}.markdown-preview a{color:#7eb8ff;text-decoration:none}.markdown-preview a:hover{text-decoration:underline}.markdown-preview img{display:block;max-width:100%;height:auto;margin:.75em auto;border-radius:8px}.markdown-image-loading{display:block;margin:.75em auto;text-align:center;opacity:.78;font-size:.92em}.markdown-preview blockquote{margin:.5em 0;padding-left:1em;border-left:3px solid rgba(255,255,255,.3);opacity:.95}.markdown-preview .katex{color:#f7f7ff;font-size:1.1em}.markdown-math-block{display:block;width:100%;margin:.75em 0;text-align:center;overflow-x:auto}.markdown-math-block .katex-display{display:inline-block;text-align:center}.markdown-preview .katex-display,.markdown-preview span.katex-display{display:block!important;width:fit-content;max-width:100%;margin:.75em auto!important;overflow-x:auto;overflow-y:hidden;text-align:center}.markdown-image-lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px;background:#000000d1}.markdown-image-lightbox-content{position:relative;max-width:min(96vw,1400px);max-height:92vh}.markdown-image-lightbox-close{position:absolute;top:-12px;right:-12px;width:36px;height:36px;border:none;border-radius:999px;background:#121218eb;color:#fff;font-size:24px;line-height:1;cursor:pointer;box-shadow:0 8px 24px #00000047}.markdown-image-lightbox-img{display:block;max-width:min(96vw,1400px);max-height:92vh;width:auto;height:auto;object-fit:contain;border-radius:12px;background:#0f0f12f2}.layer2-fieldset-inner{display:flex;flex-wrap:wrap;gap:10px 16px}.layer2-multiselect{max-height:140px;overflow:auto;padding:6px 0;display:flex;flex-direction:column;gap:2px}.layer2-form-row{display:flex;gap:8px;align-items:center;margin-bottom:4px}.layer2-form-kind-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.layer2-form-kind-row select{min-width:120px}.layer2-form-kind-custom{min-width:160px;flex:1}.layer2-export-row{display:flex;align-items:center;gap:10px;margin-bottom:12px;padding:8px 0}.layer2-export-row span{font-size:13px;opacity:.9}.layer2-export-row button{padding:6px 12px;font-size:12px;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:6px;color:inherit;cursor:pointer}.layer2-export-row button:hover{background:#ffffff1f}.layer3-settings{max-width:640px;margin-left:auto;margin-right:auto;padding-left:16px;padding-right:16px;box-sizing:border-box}.layer3-settings h3{margin:0 0 8px;font-size:16px}.layer3-settings h4{margin:16px 0 8px;font-size:13px;font-weight:600;opacity:.95}.layer3-settings-block{margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.06)}.layer3-settings-block:last-of-type{border-bottom:none}.layer3-settings-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px}.layer3-settings-row label{min-width:200px;font-size:13px;opacity:.9}.layer3-settings-row input[type=number],.layer3-settings-row input[type=text]{width:120px;padding:6px 10px;background:#ffffff0f;border:1px solid rgba(255,255,255,.1);border-radius:6px;color:inherit;font-size:13px}.layer3-settings-row input[type=text]{width:240px}.layer3-settings-actions{margin-top:20px}.layer3-settings-actions button.primary{padding:8px 16px;background:linear-gradient(135deg,#6c5ce7,#8e44ad);border:none;border-radius:8px;color:#fff;font-size:13px;cursor:pointer}.layer3-settings-actions button.primary:hover{opacity:.95}.layer2-form-actions{display:flex;gap:10px;align-items:center}.search-target-row{display:flex;flex-wrap:nowrap;align-items:flex-start;gap:8px 16px;margin-bottom:12px}.search-target-row label{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;flex-shrink:0}.search-filters-grid{display:flex;flex-direction:column;gap:12px}.search-difficulty-row{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center}.search-difficulty-row label.small{font-size:12px;display:inline-flex;align-items:center;gap:4px}.search-difficulty-row .search-filter-inline{display:inline-flex!important;align-items:center;gap:2px;white-space:nowrap}.search-section.card{padding:10px 14px}.search-section-same-as-tab{width:100%;min-width:0;max-width:100%;box-sizing:border-box;overflow-x:auto}.search-section h2{margin-bottom:8px;font-size:16px}.search-section .search-section-label{display:block;margin-top:6px;margin-bottom:4px}.search-section .search-section-input{min-width:200px;padding:6px 10px;font-size:13px}.search-section .search-section-results{margin-top:12px;min-width:0;max-width:100%;overflow-x:auto}.search-section .search-section-results h5{margin-top:10px;margin-bottom:4px}.search-section .search-section-results h5:first-child{margin-top:0}.search-section .search-section-results .layer2-list-preview{min-width:0;overflow-wrap:break-word;word-break:break-word}.search-section h3{margin:10px 0 4px;font-size:13px}.search-section .search-target-row{display:flex;flex-wrap:nowrap;align-items:flex-start;gap:6px 14px;margin-bottom:8px}.search-section .search-target-row label{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;flex-shrink:0}.search-section .search-filters-grid{display:flex;flex-direction:column;gap:6px}.search-section .search-filter-row{display:grid;grid-template-columns:1fr 1fr;gap:6px 12px;align-items:start;justify-items:start;margin:0;padding:0}.search-section .search-filter-row-full{grid-template-columns:1fr}.search-section .search-filters-grid .search-filter-row label{min-width:0;margin:0;display:inline-flex;flex-wrap:wrap;align-items:center;justify-content:flex-start;gap:4px 8px;width:100%;box-sizing:border-box}.search-section .search-filters-grid .search-filter-row label{min-width:7rem}.search-section .search-filter-row label .task-form-chips,.search-section .search-filter-row label .task-form-suggestions{flex-basis:100%}.search-section .search-filter-inline{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}@media (max-width: 700px){.search-section .search-filter-row{grid-template-columns:1fr}}.search-section .search-filters-grid label{gap:2px;font-size:12px}.search-section .search-filters-grid input[type=text],.search-section .search-filters-grid input[type=number],.search-section .search-filters-grid select{padding:4px 8px;font-size:12px}.search-section .layer2-fieldset{padding:6px 10px;gap:6px;align-items:flex-start;text-align:left}.search-section .layer2-fieldset legend{font-size:11px;text-align:left}.search-section .search-difficulty-row{display:flex;flex-wrap:nowrap;align-items:center;gap:0 4px;min-width:0;overflow-x:auto}.search-section .search-difficulty-row .search-filter-inline{gap:2px}.search-section .search-difficulty-row label.small{display:inline-flex!important;align-items:center;gap:2px;white-space:nowrap;flex-shrink:0;margin:0;padding:0;width:auto!important;flex-wrap:nowrap!important}.search-section .search-difficulty-row label.small input{padding:2px 3px;width:32px;box-sizing:border-box}.search-section .task-form-chips{gap:4px}.search-section .task-form-chip{padding:2px 6px;font-size:11px}.search-section .task-form-suggestions{padding:2px 0;max-height:120px}.search-section .task-form-suggestions li button{padding:3px 8px;font-size:12px}.search-section .layer2-form-actions{margin-top:6px;margin-bottom:10px;gap:8px}.search-section .layer2-form-actions button{padding:5px 12px;font-size:12px}.search-section .layer2-list{gap:4px;max-height:280px}.chain-search-results-tasks .layer2-list{max-height:none;overflow:visible}.search-section .layer2-list-item{padding:5px 8px;gap:6px;border-radius:6px}.search-section .layer2-list-preview{font-size:12px;line-height:1.3}.search-section .layer2-list-meta{font-size:10px;margin-top:2px}.search-section .layer2-list-actions{gap:6px}.search-section .layer2-list-detail,.search-section .layer2-list-edit,.search-section .layer2-list-add{padding:3px 8px;font-size:11px}.layer2-multiselect-sm{max-height:100px}.layer2-list{max-height:320px;overflow:auto;display:flex;flex-direction:column;gap:6px}.task-form-card .layer2-list{max-height:none;overflow:visible}.task-form-card .layer2-list .layer2-list-preview.markdown-preview,.task-form-card .layer2-list .markdown-preview{background:transparent!important;border:none!important;border-radius:0;padding:0}.theory-section .layer2-list,.context-terms-section .layer2-list{max-height:none;overflow:visible}.context-terms-section .layer2-list.context-terms-list{display:grid;grid-template-columns:repeat(3,1fr);gap:8px 12px}.context-terms-section .context-terms-list .layer2-list-item{display:flex;flex-wrap:wrap;align-items:flex-start;gap:8px;min-width:0}.context-terms-section .context-terms-list .layer2-list-edit{flex-shrink:0;padding:4px;min-width:0;display:inline-flex;align-items:center;justify-content:center}.sources-section{max-width:560px;margin-left:auto;margin-right:auto}.sources-section .layer2-form{gap:8px}.sources-section .layer2-form label{font-size:12px}.sources-section .layer2-form label input,.sources-section .layer2-form label select{max-width:100%}.sources-section .layer2-fieldset{padding:8px 10px;gap:6px}.sources-section .layer2-fieldset legend{font-size:11px;margin-bottom:2px}.sources-section .layer2-fieldset:has(legend){display:grid;grid-template-columns:repeat(3,1fr);gap:8px 12px;align-items:end}.sources-section .layer2-fieldset:has(legend) legend{grid-column:1 / -1}.sources-section .layer2-fieldset:has(legend)>label{display:flex;flex-direction:column;gap:4px;min-width:0}.sources-section .layer2-fieldset:has(legend)>label input{min-width:0}.sources-section .sources-form-row-two{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:end}.sources-section .sources-form-row-two label{min-width:0}.sources-section .layer2-form-kind-row{gap:8px}.sources-section .layer2-form-kind-row select,.sources-section .layer2-form-kind-custom{min-width:100px}.sources-section .layer2-form-actions{margin-top:4px;gap:8px}.sources-section .layer2-list,.ped-concepts-section .layer2-list{max-height:none;overflow:visible}.chains-list.layer2-list{max-height:none;overflow:visible;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:8px 12px}.layer2-list-page-size{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:13px}.layer2-list-page-size span{opacity:.9}.layer2-list-page-size button{padding:4px 12px;font-size:13px;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:6px;color:inherit;cursor:pointer}.layer2-list-page-size button:hover{background:#ffffff1f}.layer2-list-page-size button.active{background:#00b8944d;border-color:#00b89480}.layer2-list-pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;padding:10px 0;border-top:1px solid rgba(255,255,255,.08)}.layer2-list-pagination-top{margin-top:8px;margin-bottom:12px;border-top:none;border-bottom:1px solid rgba(255,255,255,.08)}.layer2-list-pagination-info{font-size:13px;opacity:.9}.layer2-list-pagination-buttons{display:flex;gap:8px}.layer2-list-pagination-btn{padding:6px 14px;font-size:13px;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:6px;color:inherit;cursor:pointer}.layer2-list-pagination-btn:hover:not(:disabled){background:#ffffff1f}.layer2-list-pagination-btn:disabled{opacity:.5;cursor:not-allowed}.layer2-list-item{display:flex;flex-wrap:wrap;align-items:flex-start;gap:8px;padding:8px 10px;background:#131932e6;border-radius:8px;border:1px solid rgba(255,255,255,.06)}.layer2-list-content{flex:1;min-width:0}.layer2-list-preview{font-size:13px;line-height:1.35}.layer2-list-meta{font-size:11px;opacity:.7;margin-top:4px}.layer2-list-meta .difficulty{opacity:.85}.layer2-list-count{opacity:.9;font-weight:500}.chain-search-results{list-style:none;padding:0;margin:8px 0 0;max-height:none;overflow:visible;display:flex;flex-direction:column;gap:6px}.chain-result-item{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:6px 10px;background:#131932e6;border-radius:8px;border:1px solid rgba(255,255,255,.06)}.chain-result-preview{flex:1;min-width:0;font-size:13px;line-height:1.3}.chain-result-meta{font-size:11px;opacity:.75}.chain-order-list{list-style:none;padding:0;margin:8px 0 0;counter-reset:chain-order;display:flex;flex-direction:column;gap:6px}.chain-order-list>li{counter-increment:chain-order;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:6px 10px;background:#131932e6;border-radius:8px;border:1px solid rgba(255,255,255,.06);position:relative;transition:border-color .15s ease,box-shadow .15s ease,opacity .15s ease}.chain-order-list>li:before{content:counter(chain-order) ".";font-weight:600;opacity:.8;min-width:1.6em;flex-shrink:0}.chain-order-preview{flex:1;min-width:0;font-size:13px;line-height:1.3}.chain-order-list .markdown-preview,.chain-order-preview .markdown-preview{background:transparent;border:none;border-radius:0;padding:0;display:inline;white-space:nowrap}.chain-order-preview .markdown-preview p,.chain-order-preview .markdown-preview .block-katex,.chain-order-preview .markdown-preview div{display:inline!important;margin:0!important;text-align:inherit}.chain-order-task-condition,.chain-order-task-condition.markdown-preview{background:transparent!important;border:none!important;border-radius:0!important;padding:0!important;font-size:13px;line-height:1.35;display:block!important;white-space:normal}.chain-order-task-condition.markdown-preview p,.chain-order-task-condition .markdown-preview p{display:block!important;margin:0 0 .35em!important}.chain-order-task-meta{font-size:11px;opacity:.85;margin-top:2px}.chain-order-actions{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.chain-order-actions button{padding:2px 8px;font-size:12px;background:#ffffff14;border:1px solid rgba(255,255,255,.12);border-radius:4px;color:inherit;cursor:pointer}.chain-order-actions button:disabled{opacity:.4;cursor:not-allowed}.chain-order-drag-handle{cursor:grab;font-weight:700;min-width:30px}.chain-order-drag-handle:active{cursor:grabbing}.chain-order-item-dragging{opacity:.55}.chain-order-item-drop-before:after,.chain-order-item-drop-after:after{content:"";position:absolute;left:10px;right:10px;height:3px;border-radius:999px;background:#69c6b4;pointer-events:none}.chain-order-item-drop-before:after{top:-3px}.chain-order-item-drop-after:after{bottom:-3px}.chain-element-tasks-block{margin-top:6px;padding:6px 0 6px 10px;border-left:3px solid rgba(108,92,231,.4);font-size:12px;flex-basis:100%;width:100%}.chain-element-tasks-summary{margin:0 0 4px}.chain-element-tasks-group{margin-top:6px}.chain-element-tasks-group:first-child{margin-top:0}.chain-element-tasks-group .layer2-list{margin-top:2px}.chain-element-tasks-block .layer2-list{list-style:none;padding-left:0;max-height:none;overflow:visible}.chain-element-tasks-block .layer2-list-item{display:flex;flex-direction:row;flex-wrap:nowrap;align-items:center;gap:6px;padding:3px 0}.chain-element-tasks-block .layer2-list-item .layer2-list-content{flex:1;min-width:0}.chain-element-tasks-block .layer2-list-item .layer2-list-meta{font-size:11px}.chain-element-tasks-block .layer2-list-item button{flex-shrink:0}.chain-btn-loupe,.chain-btn-icon{display:inline-flex;align-items:center;justify-content:center;padding:4px;min-width:0;background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:4px;color:inherit}.chain-btn-loupe:hover,.chain-btn-icon:hover{background:#ffffff14;border-color:#ffffff4d}.chain-btn-loupe svg,.chain-btn-icon svg{display:block}.chains-section .chain-element-tasks-block{border-left-color:#ffffff40}.chains-section .layer2-list-view,.chains-section .layer2-list-edit,.chains-section .layer2-list-delete{background:transparent;border:1px solid rgba(255,255,255,.2)}.chains-section .layer2-list-view:hover,.chains-section .layer2-list-edit:hover,.chains-section .layer2-list-delete:hover{background:#ffffff14}.chains-edit-layout{display:grid;grid-template-columns:3fr 2fr;gap:1.5rem;align-items:start}.chains-edit-left{min-width:0;overflow-y:auto}.chains-edit-right{min-width:0;overflow-y:visible;min-height:0;align-self:start}.chains-edit-right .chains-preview-block{margin-top:0;margin-bottom:0;overflow:visible;max-height:none}.chains-edit-right .chain-preview-content{font-size:inherit}.chains-edit-right .chain-preview-step .task-detail-text,.chain-preview-step .task-detail-text{display:block;-webkit-line-clamp:unset;overflow:visible}@media (max-width: 900px){.chains-edit-layout{grid-template-columns:1fr}}.chains-preview-block{margin-top:1.5rem;margin-bottom:1.5rem}.chain-preview{background:none;border:none;border-radius:0;padding:.75rem 0;max-width:100%;box-sizing:border-box;font-size:.85rem}.chain-preview .task-detail-text.markdown-preview,.chain-preview .markdown-preview{background:transparent;border:none;border-radius:0;padding:0;font-size:.95em}.chain-preview .chain-preview-concept-symbol.markdown-preview,.chain-preview .chain-preview-ped-concept .markdown-preview,.chain-preview .chain-preview-concept .markdown-preview{background:transparent;border:none;padding:0}.chain-preview-title{margin:0 0 .25rem;font-size:1rem}.chain-preview-subtitle{margin:0 0 .5rem;padding-bottom:.5rem;border-bottom:1px solid rgba(0,0,0,.35)}.chain-preview-content{display:flex;flex-direction:column;gap:.1rem;overflow:visible;max-height:none}.chain-preview-steps .chain-preview-step,.chain-preview-article .chain-preview-block{padding:.125rem 0;border-top:1px solid rgba(0,0,0,.35);flex-shrink:0;min-height:min-content}.chain-preview-steps .chain-preview-step:first-child,.chain-preview-article .chain-preview-block:first-child{border-top:none;padding-top:0}.chain-preview-article,.chain-preview-article .chain-preview-content,.chain-preview-article .chain-preview-block,.chain-preview-article .chain-preview-block .task-detail-text,.chain-preview-article .chain-preview-block .markdown-preview{max-height:none!important;overflow:visible!important}.chain-preview-steps .chain-preview-step{display:flex;flex-direction:row;align-items:flex-start;gap:.35rem;flex-shrink:0}.chain-preview-step-num{flex-shrink:0;font-weight:600;opacity:.9}.chain-preview-step .chain-preview-display-label{flex-shrink:0;display:inline;margin:0;margin-right:.25rem}.chain-preview-step .task-detail-text,.chain-preview-step .markdown-preview,.chain-preview-step .chain-preview-ped-concept,.chain-preview-step .chain-preview-concept{flex:1 1 auto;min-width:0;min-height:min-content}.chain-preview-theory-wrap{display:flex;align-items:flex-start;gap:.5rem;flex:1 1 auto;min-width:0}.chain-preview-theory-wrap .task-detail-text{flex:1 1 auto;min-width:0}.chain-preview-theory-loupe{flex-shrink:0}.chain-preview-concept-tasks{list-style:none;padding:0;margin:4px 0 0;font-size:.75rem;line-height:1.35;opacity:.9}.chain-preview-concept-task{padding:2px 0;white-space:normal;overflow:visible;min-width:0}.chain-preview-concept-task .markdown-preview{overflow:hidden}.chain-preview-concept-task.muted{font-style:italic}.chain-preview-concept-symbol{display:inline;white-space:nowrap}.chain-preview-concept-symbol p,.chain-preview-concept-symbol .block-katex,.chain-preview-concept-symbol div{display:inline!important;margin:0!important;text-align:inherit}.chain-preview-display-label{display:block;margin-bottom:.25rem}.chain-preview-toggle{margin-top:0;margin-bottom:.5rem;display:flex;align-items:center;gap:.5rem}.chains-edit-right .chains-preview-block>.chain-preview-toggle:first-child{margin-top:0}.chain-preview-toggle button{padding:4px 10px;border-radius:4px;border:1px solid rgba(255,255,255,.2);background:transparent;color:inherit;cursor:pointer;font-size:13px}.chain-preview-toggle button.active{background:#ffffff26;border-color:#ffffff4d}.task-form-chips-with-bloom{display:flex;flex-wrap:wrap;gap:.25rem .5rem;align-items:center}.task-form-chips-with-bloom .task-form-chip-with-bloom{display:inline-flex;align-items:center;gap:.35rem}.task-form-chip-bloom{font-size:12px;padding:2px 6px;border-radius:4px;border:1px solid rgba(255,255,255,.2);background:#0003;color:inherit;max-width:120px}.tree-view-heading{margin:0 0 .75rem;font-size:1rem}.tree-view-list{background:#00000026;border-radius:8px;padding:.5rem 0;margin-bottom:1.5rem;border:1px solid rgba(255,255,255,.06);max-width:100%;overflow-x:auto}.tree-view-row{display:flex;align-items:center;flex-wrap:wrap;gap:.5rem 1rem;padding:.4rem .75rem;min-height:36px;border-bottom:1px solid rgba(255,255,255,.04);box-sizing:border-box}.tree-view-row:last-child{border-bottom:none}.tree-view-row-title{flex:1 1 180px;min-width:0;font-weight:500}.tree-view-row-actions{display:flex;align-items:center;gap:.35rem;flex-wrap:wrap}.tree-view-row-actions button.small,.tree-view-row-actions .layer2-list-edit.small,.tree-view-row-actions .layer2-list-delete.small{padding:2px 8px;font-size:12px}.tree-view-add-material{font-size:12px;padding:2px 6px;border-radius:4px;border:1px solid rgba(255,255,255,.2);background:#0003;color:inherit;max-width:160px}.task-detail-expand{width:100%;margin-top:10px;padding:10px 12px;background:#00000040;border-radius:8px;border:1px solid rgba(255,255,255,.08);font-size:12px;display:flex;flex-direction:column;gap:8px}.task-detail-section{display:flex;flex-direction:column;gap:4px}.task-detail-section strong{font-size:11px;text-transform:uppercase;letter-spacing:.03em;opacity:.85}.task-detail-text{white-space:pre-wrap;line-height:1.45;max-height:200px;overflow-y:auto}.task-detail-text.markdown-preview{white-space:normal;padding:10px 12px}.task-detail-meta{opacity:.9}.task-detail-options{margin-top:10px;padding-top:8px;border-top:1px solid rgba(255,255,255,.1)}.task-detail-options-title{display:block;margin-bottom:6px;font-size:11px;text-transform:uppercase;letter-spacing:.03em;opacity:.85}.task-detail-options-list{margin:0;padding-left:20px;line-height:1.5}.task-detail-options-list li{margin-bottom:4px}.task-detail-tags{display:flex;flex-direction:column;flex-wrap:nowrap;gap:6px 0;align-items:stretch}.task-detail-tags strong{font-size:11px;opacity:.85}.task-detail-tags span{min-width:0}.task-detail-tag-concept-name{font-size:.85em;opacity:.95}.task-detail-tag-concept-name.markdown-preview{padding:0;border:none;background:transparent;display:inline}.task-detail-tag-concept-name.markdown-preview p,.task-detail-tag-concept-name .markdown-preview p{display:inline;margin:0}.task-detail-tag-concept-name .block-katex{display:inline;margin:0;text-align:inherit}.chain-result-item{flex-direction:column;align-items:stretch}.layer2-list-actions{display:flex;align-items:center;gap:8px;margin-left:auto;flex-shrink:0}.layer2-list-detail{padding:4px 10px;font-size:12px;background:#ffffff0f;border:1px solid rgba(255,255,255,.12);border-radius:6px;color:inherit;cursor:pointer}.layer2-list-detail:hover{background:#ffffff1a}.layer2-detail-list .layer2-task-row{display:flex;align-items:center;gap:8px;margin-bottom:4px}.layer2-detail-list .layer2-task-row .layer2-task-preview{flex:1;min-width:0}.layer2-detail-list .layer2-task-row .layer2-list-detail{flex-shrink:0}.layer2-list-edit{padding:4px 10px;font-size:12px;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:6px;color:inherit;cursor:pointer}.layer2-list-edit:hover{background:#ffffff1f}.layer2-list-add{padding:4px 10px;font-size:12px;background:#00b89433;border:1px solid rgba(0,184,148,.4);border-radius:6px;color:inherit;cursor:pointer}.layer2-list-add:hover{background:#00b8944d}.task-detail-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;box-sizing:border-box}.task-detail-modal{background:#090e1efa;border:1px solid rgba(255,255,255,.12);border-radius:12px;max-width:640px;width:100%;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 20px 60px #00000080}.task-detail-modal-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.1);flex-shrink:0}.task-detail-modal-header h3{margin:0;font-size:16px}.task-detail-modal-header-actions{display:flex;align-items:center;gap:4px}.task-detail-modal-nav{width:32px;height:32px;padding:0;font-size:18px;line-height:1;display:inline-flex;align-items:center;justify-content:center;background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:6px;color:inherit;cursor:pointer;opacity:.9}.task-detail-modal-nav:hover:not(:disabled){background:#ffffff1a;opacity:1}.task-detail-modal-nav:disabled{opacity:.35;cursor:not-allowed}.task-detail-modal-add{width:32px;height:32px;padding:0;font-size:20px;line-height:1;display:inline-flex;align-items:center;justify-content:center;background:#00b89433;border:1px solid rgba(0,184,148,.4);border-radius:6px;color:inherit;cursor:pointer;opacity:.95}.task-detail-modal-add:hover{background:#00b89459;border-color:#00b89499;opacity:1}.task-detail-modal-close{width:32px;height:32px;padding:0;font-size:20px;line-height:1;background:transparent;border:none;color:inherit;cursor:pointer;border-radius:6px;opacity:.8}.task-detail-modal-close:hover{background:#ffffff1a;opacity:1}.task-detail-modal-body{padding:16px;overflow-y:auto;flex:1;min-height:0}.task-detail-modal-body .task-detail-section{margin-bottom:12px}.task-detail-modal-body .task-detail-text,.task-detail-modal-body .task-detail-text.markdown-preview{max-height:none;overflow:visible}.task-detail-modal-body .block-katex,.task-detail-modal-body .katex-display,.task-detail-modal-body span.katex-display{overflow-x:visible;overflow-y:visible}.layer2-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;box-sizing:border-box}.layer2-modal{background:#090e1efa;border:1px solid rgba(255,255,255,.12);border-radius:12px;max-width:720px;width:100%;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 20px 60px #00000080}.layer2-modal-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.1);flex-shrink:0}.layer2-modal-header h3{margin:0;font-size:16px}.layer2-modal-header button{width:32px;height:32px;padding:0;font-size:20px;line-height:1;background:transparent;border:none;color:inherit;cursor:pointer;border-radius:6px;opacity:.8}.layer2-modal-header button:hover{background:#ffffff1a;opacity:1}.layer2-modal-body{padding:16px;overflow-y:auto;flex:1;min-height:0}.layer2-modal-body .chain-preview,.layer2-modal-body .chain-preview .markdown-preview,.layer2-modal-body .chain-preview .task-detail-text,.layer2-modal-body .chain-preview .task-detail-section{background:transparent!important;border:none!important;border-radius:0!important}.theory-concepts-list{margin:8px 0 0;padding-left:1.25rem;font-size:13px;line-height:1.5}.theory-concepts-list li{margin-bottom:2px}.material-detail-children{margin-top:12px;display:flex;flex-direction:column;gap:16px}.material-detail-child{padding:10px 12px;background:#0003;border-radius:8px;border:1px solid rgba(255,255,255,.08)}.material-detail-child-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px;flex-wrap:wrap}.material-detail-child-header strong{font-size:13px}.material-detail-child-content{max-height:280px;overflow-y:auto}.material-detail-child-content.markdown-preview{padding:8px 0 0}.task-form-card .layer2-form{max-width:100%;width:100%}.task-form-block{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.06)}.task-form-block:last-of-type{border-bottom:none}.task-form-field{margin-bottom:16px}.task-form-label-nowrap{white-space:nowrap}.task-form-text-and-preview{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start;margin-top:6px}.task-form-text-col textarea{width:100%;min-height:140px;resize:vertical;font-family:inherit;font-size:13px;line-height:1.45}.task-form-text-col textarea.task-form-condition-input{min-height:210px}.task-form-text-col textarea.task-form-solution-input{min-height:252px}.task-form-preview-col{min-height:100px;padding:10px 12px;background:#13193299;border-radius:8px;border:1px solid rgba(255,255,255,.08);font-size:13px;line-height:1.5}@media (max-width: 900px){.task-form-text-and-preview{grid-template-columns:1fr}}.task-form-block-compact{margin-bottom:16px;padding-bottom:12px}.task-form-block h3{margin:0 0 10px;font-size:14px;opacity:.95}.task-form-block h4{margin:0 0 6px;font-size:12px;font-weight:600;opacity:.9}.task-form-triple{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:10px}@media (max-width: 760px){.task-form-triple{grid-template-columns:1fr}}.task-form-triple-col{min-width:0;padding:10px 12px;background:#13193280;border-radius:8px;border:1px solid rgba(255,255,255,.06)}.task-form-triple-col .task-form-search-row{margin-bottom:6px}.task-form-triple-col .task-form-search-inputs input[type=text]{min-width:0}.task-form-area1{margin-bottom:10px}.task-form-area1-search{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:8px}.task-form-area1-search .task-form-search-row{flex:1;min-width:200px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.task-form-area1-type{display:flex;align-items:center}.task-form-area1-type select{display:block}.task-form-area1-type select{padding:6px 8px;border-radius:6px;border:1px solid rgba(255,255,255,.15);background:#13193280;color:inherit}.task-form-area1-table{margin-top:8px}.task-form-area1-thead,.task-form-area1-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:6px}.task-form-area1-thead{font-size:12px;font-weight:600;color:#ffffffb3;padding-bottom:4px;border-bottom:1px solid rgba(255,255,255,.12)}.task-form-area1-row{padding:4px 0}.task-form-area1-cell{min-width:0}.task-form-area1-type{width:88px;flex-shrink:0}.task-form-area1-name{flex:1;min-width:100px;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.task-form-area1-symbol{width:200px;min-width:200px;flex-shrink:0;overflow:visible}.task-form-area1-symbol .katex,.task-form-area1-symbol .katex-display{font-size:1em}.task-form-area1-use{width:64px;flex-shrink:0}.task-form-area1-use-input{width:48px;padding:4px 6px;font-size:12px}.task-form-area1-bloom{width:100px;flex-shrink:0}.task-form-area1-move{width:40px;flex-shrink:0}.task-form-area1-del{flex-shrink:0}.task-form-links-col-full{flex:1 1 100%;min-width:0}.task-form-links-row-two{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px}@media (max-width: 640px){.task-form-links-row-two{grid-template-columns:1fr}}.task-form-row label.task-form-label-flex{display:flex;flex-direction:column;gap:4px}.task-form-label-flex textarea{min-width:200px}.task-form-chips-small{max-height:100px;overflow-y:auto;margin-top:6px}.task-form-chips-small .task-form-chip{font-size:11px;padding:3px 6px}.task-form-note{margin-top:8px;margin-bottom:0}.task-form-block label{margin-bottom:8px}.task-form-block-compact label{margin-bottom:6px}.task-form-block label.required:after,.task-form-block .required{color:#ff7675}.task-form-search-row{margin-bottom:8px}.task-form-search-inputs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:6px}.task-form-search-inputs input[type=text]{min-width:160px;flex:1}.task-form-use-count{display:inline-flex;align-items:center;gap:6px;font-size:12px}.task-form-suggestions{list-style:none;margin:0;padding:4px 0;max-height:200px;overflow:auto;background:#131932f2;border-radius:8px;border:1px solid rgba(255,255,255,.08)}.task-form-suggestions button{width:100%;text-align:left;padding:8px 12px;border-radius:0;background:transparent}.task-form-suggestions button:hover{background:#6c5ce733}.task-form-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.task-form-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 8px;border-radius:999px;background:#00b8941f;border:1px solid rgba(0,184,148,.4);font-size:12px}.task-form-chip button{padding:0 4px;min-width:22px;background:transparent;border:none;font-size:14px;line-height:1}.task-form-chip button:hover{background:#dc35454d}.task-form-add-btn{margin-bottom:10px}.task-form-quantity-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:8px}.task-form-quantity-row input,.task-form-quantity-row select{min-width:0}.task-form-quantity-row .task-form-q-name{flex:1;min-width:80px;max-width:180px}.task-form-quantity-row .task-form-q-symbol{width:52px}.task-form-quantity-row .task-form-q-units{width:64px}.task-form-quantity-row .task-form-unit-search{min-width:0}.task-form-quantity-row .task-form-unit-search input{width:72px}.task-form-quantity-row .task-form-q-value{width:56px}.task-form-quantity-row .task-form-q-role{width:72px}.task-form-quantity-row .task-form-q-letter-toggle{min-width:95px;padding:6px 10px;font-size:12px;background:#ffffff0f;border:1px solid rgba(255,255,255,.15);border-radius:6px;color:inherit;cursor:pointer;white-space:nowrap}.task-form-quantity-row .task-form-q-letter-toggle:hover{background:#ffffff1a}.task-form-quantity-row .task-form-q-letter-toggle.is-on{background:#00b89440;border-color:#00b89480}.task-form-quantity-row .task-form-q-bloom{width:100px}.task-form-q-move{display:flex;flex-direction:column;gap:0}.task-form-q-move button{padding:2px 6px;line-height:1;min-width:28px;font-size:12px}.task-form-q-move button:disabled{opacity:.4;cursor:not-allowed}.task-form-chip-row-bloom{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:4px}.task-form-chip-row-bloom .task-form-chip{margin:0}.task-form-bloom-select{min-width:0;max-width:140px;font-size:12px;padding:2px 6px}.task-form-multiselect{max-height:110px;overflow:auto;padding:6px 0;display:flex;flex-direction:column;gap:2px}.task-form-multiselect-horizontal{display:flex;flex-wrap:wrap;flex-direction:row;gap:8px 14px;padding:6px 0}.task-form-multiselect-horizontal .task-form-check{margin:0}.task-form-search-row{position:relative;margin-top:6px;margin-bottom:8px}.task-form-search-row input{width:100%;max-width:320px}.task-form-suggestions{list-style:none;margin:4px 0 0;padding:0;max-height:200px;overflow:auto;background:#0000004d;border-radius:8px;border:1px solid rgba(255,255,255,.1)}.task-form-suggestions li{margin:0}.task-form-suggestions button{width:100%;text-align:left;padding:8px 12px;background:none;border:none;color:inherit;cursor:pointer;font-size:13px}.task-form-suggestions button:hover{background:#ffffff14}.task-form-chips{display:flex;flex-wrap:wrap;gap:6px 10px;margin-bottom:12px}.task-form-chip{display:inline-flex;align-items:center;gap:4px;padding:4px 8px;background:#ffffff1a;border-radius:6px;font-size:13px}.task-form-chip button{padding:0 4px;background:none;border:none;color:inherit;cursor:pointer;font-size:16px;line-height:1;opacity:.8}.task-form-chip button:hover{opacity:1}.task-form-links-row{display:flex;flex-wrap:wrap;gap:16px 24px;margin-bottom:12px}.task-form-links-col{flex:1;min-width:280px}.task-form-links-row-three .task-form-links-col{min-width:200px}.task-form-row-composite{margin-top:12px;margin-bottom:0}.task-form-row-composite .task-form-check-inline{display:inline-flex;flex-direction:row;flex-wrap:nowrap;align-items:center;gap:8px;white-space:nowrap;flex:0 0 auto}.task-form-child-task-row .task-form-check-inline{display:inline-flex;flex-direction:row;flex-wrap:nowrap;align-items:center;gap:8px;flex:1;min-width:0}.task-form-child-task-row .task-form-check-inline span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.task-form-links-col .task-form-chips{margin-bottom:0}.task-form-source-refs{display:flex;flex-direction:column;gap:6px;margin-top:8px}.task-form-source-ref-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.task-form-source-ref-title{min-width:120px;max-width:200px;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.task-form-source-ref-num{width:56px;padding:4px 6px;font-size:13px}.task-form-source-ref-comment{flex:1;min-width:80px;padding:4px 6px;font-size:13px}.task-form-source-ref-row button[aria-label=Удалить]{flex-shrink:0;width:24px;height:24px;padding:0;border:none;background:transparent;cursor:pointer;font-size:16px;line-height:1;color:var(--muted, #666)}.task-form-source-ref-row button[aria-label=Удалить]:hover{color:var(--danger, #c00)}.task-form-check{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer}.task-form-check input{width:auto}.task-form-check-row{display:flex;align-items:center;gap:8px}.task-form-check-row .task-form-check-inner{flex:1;min-width:0;display:flex;align-items:center;gap:8px}.task-form-check-row .layer2-list-detail.small{flex-shrink:0;padding:2px 6px;font-size:11px}.task-form-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:10px}.task-form-row label{flex:1;min-width:120px}.task-form-variants{margin-top:8px}.task-form-variant-row{display:flex;align-items:center;gap:8px;margin-bottom:6px}.task-form-variant-row input[type=radio]{flex-shrink:0}.task-form-variant-input{flex:1;min-width:120px}.task-form-actions{margin-top:16px;margin-bottom:24px}.task-form-pull-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.task-form-inline-create{display:flex;gap:8px;align-items:center;margin-top:6px;margin-bottom:12px}.task-form-inline-create input{flex:1;min-width:120px}.task-form-unit-search{display:flex;gap:4px;align-items:center;position:relative;min-width:0}.task-form-unit-search input{width:90px;min-width:70px}.task-form-unit-search button{padding:4px 8px;flex-shrink:0}.task-form-suggestions-inline{position:absolute;top:100%;left:0;z-index:10;min-width:140px;max-height:160px}@media (max-width: 900px){.app-main{grid-template-columns:1fr}.app-main.concepts-layout{display:flex;flex-direction:column;gap:16px}.app-main.concepts-layout .concepts-order-stats{order:0}.app-main.concepts-layout .concepts-order-type{order:1}.app-main.concepts-layout .concepts-order-editor{order:2;grid-column:auto;grid-row:auto}.app-main.concepts-layout .concepts-order-list{order:3}.app-main.concepts-layout .concepts-order-status{order:4}}.auth-page{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(circle at 0 0,#243b8f 0,transparent 55%),radial-gradient(circle at 100% 0,#7b1fa2 0,transparent 55%),#0b1020}.auth-page-theme-wrap{position:absolute;top:20px;right:24px;z-index:10}.auth-card{width:100%;max-width:380px}.auth-card h1{margin:0 0 20px;font-size:22px;text-align:center}.auth-error{margin-bottom:12px;padding:10px 12px;border-radius:8px;background:#dc354526;border:1px solid rgba(220,53,69,.5);font-size:13px;color:#ff7675}.auth-field{margin-bottom:14px}.auth-field label{display:block;margin-bottom:4px;font-size:13px;opacity:.9}.auth-field input{width:100%;padding:10px 12px;font-size:14px}.auth-submit{width:100%;margin-top:8px;padding:12px;font-size:14px}.auth-submit:disabled{opacity:.7;cursor:not-allowed}.auth-switch{margin:16px 0 0;text-align:center;font-size:13px;opacity:.9}.auth-switch .link{background:none;border:none;padding:0;color:#7eb8ff;text-decoration:underline;cursor:pointer}.auth-switch .link:hover{color:#a8d4ff}.header-actions{display:flex;align-items:center;gap:12px}.user-email{font-size:13px;opacity:.85}.header-logout{padding:6px 12px;font-size:12px;background:#ffffff1a;border:1px solid rgba(255,255,255,.15)}.header-logout:hover{background:#ffffff26}.theme-toggle{padding:6px 10px;font-size:16px;line-height:1;background:#ffffff1a;border:1px solid rgba(255,255,255,.15);border-radius:8px;cursor:pointer;transition:background .15s,border-color .15s}.theme-toggle:hover{background:#ffffff26}.student-app{min-height:100vh;display:flex;flex-direction:column;background:#0b1020;scroll-behavior:smooth}.student-app .app-header{flex-shrink:0}.student-app .app-header-row{flex-wrap:nowrap;gap:16px;justify-content:space-between}.student-header-block{display:flex;align-items:center;gap:8px;flex-shrink:0}.student-app .student-header-block-main .student-app-title{margin:0;white-space:nowrap}.student-app-title-logo{display:flex;align-items:center}.student-app-title-logo .student-app-logo{height:36px;width:36px;display:block;object-fit:cover;border-radius:50%}.student-header-block-nav{display:flex;align-items:center;gap:8px;width:100%}.student-header-block-nav .header-logout.header-logout-icon{margin-left:auto}.student-header-block-nav .student-view-tabs{display:flex;gap:6px}.header-continue-link{display:inline-flex;align-items:center;gap:6px;max-width:240px;white-space:nowrap;overflow:hidden}.header-continue-link .header-continue-label{flex-shrink:0}.header-continue-link .header-continue-title{overflow:hidden;text-overflow:ellipsis;min-width:0}.student-main{flex:1;padding:24px;max-width:100%;width:100%;box-sizing:border-box;min-height:50vh}.student-main-content{min-height:45vh;transition:opacity .15s ease-out}.review-actions-inline{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}.student-main .student-action-btn,.student-main .student-chain-card{display:inline-flex;align-items:center;min-height:44px;padding:10px 14px;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:#ffffff0f;color:inherit;font-size:14px;line-height:1.2;box-sizing:border-box;text-decoration:none;cursor:pointer;transition:border-color .2s,background .2s}.student-main .student-action-btn:hover:not(:disabled),.student-main .student-chain-card:hover{background:#ffffff1a}.student-main .student-action-btn:focus-visible,.student-main .student-chain-card:focus-visible{outline:2px solid rgba(255,255,255,.5);outline-offset:2px}.student-main .student-action-btn:disabled{opacity:.6;cursor:not-allowed}.student-main .student-action-btn.header-continue-link{max-width:320px;flex-wrap:wrap;gap:4px 8px}.student-main .student-chain-card{width:100%;flex-direction:row;flex-wrap:nowrap;align-items:center;gap:6px;text-align:left}.student-main .student-chain-card .student-chain-title{display:inline;margin-bottom:0;min-width:0;flex:1 1 auto}.student-main .student-chain-card .student-chain-meta{flex-shrink:0}.student-main .student-chain-card .student-chain-card-progress{display:inline-flex;align-items:center;gap:8px;flex-shrink:0;min-width:0}.student-main .student-chain-card .student-chain-card-progress-track{width:48px;height:6px;background:#fff3;border-radius:3px;overflow:hidden}.student-main .student-chain-card .student-chain-card-progress-fill{height:100%;background:linear-gradient(90deg,#6c5ce7,#5b4cdb);border-radius:3px;transition:width .2s ease}.student-main .student-chain-card .student-chain-card-progress-text{font-size:12px;color:#ffffffb3;white-space:nowrap}.student-page-desc{margin:0 0 16px}.student-knowledge-graph .student-graph-container{min-height:500px}.student-graph-legend{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px;font-size:12px;opacity:.9}.student-graph-legend-item.student-graph-legend-mastered{color:#2ecc71;font-weight:500}.student-graph-legend-item.student-graph-legend-progress{color:#f1c40f;font-weight:500}.student-graph-legend-item.student-graph-legend-none{color:#95a5a6;font-weight:500}.student-view-tabs{display:flex;gap:8px;margin:0}.student-header-block-nav .header-logout.header-logout-icon,.student-header-block-nav .student-header-logo,.student-header-block-nav .student-view-tabs button,.student-header-block-nav .student-view-tabs a,.student-header-block-nav .header-progress-link.header-icon-btn,.student-header-block-nav .theme-toggle{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:10px;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:#ffffff0f;color:inherit;cursor:pointer;font-size:14px;line-height:1;text-decoration:none;box-sizing:border-box}.student-header-block-nav .student-view-tabs a:visited,.student-header-block-nav .student-view-tabs a:focus,.student-header-block-nav .student-view-tabs a:focus-visible{color:inherit;text-decoration:none;background:inherit;border-color:inherit}.student-header-block-nav .student-view-tabs a:focus-visible{outline:2px solid rgba(255,255,255,.5);outline-offset:2px}.student-header-block-nav .header-logout.header-logout-icon:hover,.student-header-block-nav .student-header-logo:hover,.student-header-block-nav .student-view-tabs button:hover,.student-header-block-nav .student-view-tabs a:hover,.student-header-block-nav .header-progress-link.header-icon-btn:hover,.student-header-block-nav .theme-toggle:hover{background:#ffffff1a}.student-header-block-nav .student-header-logo{text-decoration:none}.student-header-block-nav .student-header-logo .student-app-logo{height:32px;width:32px;border-radius:50%;object-fit:cover;display:block}.student-header-block-nav .header-progress-link.header-icon-btn:hover{text-decoration:none}.student-header-block-nav .student-view-tabs button.active,.student-header-block-nav .student-view-tabs a.active,.student-header-block-nav .header-progress-link.header-icon-btn.active{border-color:#6c5ce799;background:#6c5ce733}.student-view-tabs button,.student-view-tabs a{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:10px;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:#ffffff0f;color:inherit;cursor:pointer;font-size:14px;text-decoration:none;box-sizing:border-box}.student-view-tabs button:hover,.student-view-tabs a:hover{background:#ffffff1a}.student-view-tabs button.active,.student-view-tabs a.active{border-color:#6c5ce799;background:#6c5ce733}.student-chain-list{list-style:none;padding-left:0;margin:0;display:flex;flex-direction:column;gap:12px}.student-chain-list-item{display:block}.student-chain-card{display:block;text-align:left;padding:16px 20px;background:#090e1ef5;border:1px solid rgba(255,255,255,.08);border-radius:12px;color:inherit;text-decoration:none;transition:border-color .2s,background .2s}.student-chain-card:hover{border-color:#6c5ce780;background:#131932fa}.student-chain-title{display:block;font-weight:600;margin-bottom:4px}.student-chain-meta{font-size:13px;color:#fff9}.student-task-ordinal{flex-shrink:0;min-width:28px;font-weight:600;color:#ffffffb3}.task-chain-next{margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08)}.student-task-list{list-style:none;padding-left:0;margin:0;display:flex;flex-direction:column;gap:10px}.student-task-list-item{display:flex;align-items:flex-start;gap:10px}.student-chain-elements{list-style:none;padding-left:0;margin:16px 0 24px;display:flex;flex-direction:column;gap:8px}.student-chain-element{display:flex;align-items:center;gap:10px;padding:10px 14px;background:#090e1e99;border:1px solid rgba(255,255,255,.06);border-radius:10px}.student-chain-element-done{opacity:.85;border-color:#2ecc7133}.student-chain-element-btn{display:flex;align-items:center;gap:10px;width:100%;padding:0;margin:0;background:none;border:none;border-radius:inherit;color:inherit;font:inherit;text-align:left;cursor:pointer;text-decoration:none}a.student-chain-element-btn:hover,.student-chain-element-btn:hover{opacity:.95}.student-chain-element-btn:focus-visible{outline:2px solid rgba(255,255,255,.5);outline-offset:2px}.student-chain-element-ordinal{flex-shrink:0;font-weight:600;color:#ffffffb3;min-width:4ch}.student-chain-element-label{flex:1}.student-chain-element-check{flex-shrink:0;color:#2ecc71;font-size:1.1em}.student-chain-actions{margin-top:20px}.student-chain-actions-top{margin-top:0;margin-bottom:0}.student-chain-header{display:flex;flex-direction:column;gap:12px}.student-chain-header-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.student-chain-header-row-1{gap:16px}.student-chain-header .student-chain-header-title{flex:1;min-width:0;margin:0;font-size:1.25rem;font-weight:600;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.student-chain-header-theme{flex-shrink:0;margin-left:auto}.student-chain-header-row-2{align-items:center;gap:16px}.student-chain-progress-inline{display:flex;align-items:center;gap:10px;min-width:0;flex:1}.student-chain-progress-inline .student-chain-progress-text{flex-shrink:0;margin-bottom:0;font-size:14px}.student-chain-progress-inline .student-chain-progress-track{flex:1;min-width:60px;max-width:200px}.app-header .student-chain-actions .student-action-btn{display:inline-flex;align-items:center;min-height:44px;padding:10px 14px;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:#ffffff0f;color:inherit;font-size:14px;cursor:pointer;transition:border-color .2s,background .2s}.app-header .student-chain-actions .student-action-btn:hover{background:#ffffff1a}.app-header .student-chain-actions .student-action-btn:focus-visible{outline:2px solid rgba(255,255,255,.5);outline-offset:2px}[data-theme=light] .app-header .student-chain-actions .student-action-btn{border-color:#00000026;background:#0000000d;color:inherit}[data-theme=light] .app-header .student-chain-actions .student-action-btn:hover{background:#00000014}[data-theme=light] .app-header .student-chain-actions .student-action-btn:focus-visible{outline:2px solid rgba(108,92,231,.6);outline-offset:2px}.student-chain-start-btn{padding:12px 24px;font-size:16px;font-weight:600;background:linear-gradient(135deg,#6c5ce7,#5b4cdb);color:#fff;border:none;border-radius:10px;cursor:pointer;transition:filter .2s,transform .1s}.student-chain-start-btn:hover{filter:brightness(1.1)}.student-chain-start-btn:active{transform:scale(.98)}.student-chain-progress-bar{margin-top:8px;margin-bottom:8px;max-width:400px}.student-chain-progress-bar-inline{margin-top:4px;margin-bottom:0;max-width:280px}.student-chain-progress-text{font-size:.9rem;color:var(--muted-color, #666);margin-bottom:4px}.student-chain-progress-track{height:8px;background:var(--bg-secondary, #eee);border-radius:4px;overflow:hidden}.student-chain-progress-fill{height:100%;background:linear-gradient(90deg,#6c5ce7,#5b4cdb);border-radius:4px;transition:width .2s ease}.student-theory-block{max-width:720px;margin:0 auto 24px}.student-theory-title{font-size:1.25rem;margin:0 0 16px;font-weight:600}.student-theory-content{margin-bottom:24px}.student-theory-content.markdown-preview{padding:16px 18px;border-radius:12px}.student-theory-actions{margin-top:20px}.student-theory-actions .button.primary{padding:12px 24px;font-size:16px}.student-task-solved-mark{flex-shrink:0;color:#2ecc71;font-size:1.25em;line-height:1;margin-top:14px}.student-task-card{display:block;flex:1;min-width:0;text-align:left;padding:14px 18px;background:#090e1ef5;border:1px solid rgba(255,255,255,.08);border-radius:12px;color:inherit;cursor:pointer;transition:border-color .2s,background .2s}.student-task-card:hover{border-color:#6c5ce780;background:#131932fa}.task-condition-preview{font-size:14px;line-height:1.4;margin:0 0 6px}.task-condition-preview.markdown-preview{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.task-condition-preview.markdown-preview p,.layer2-list-preview.markdown-preview p{margin:0 0 .35em}.layer2-list-preview.markdown-preview,.layer2-task-preview.markdown-preview{min-height:0}.student-task-card .layer2-list-meta{margin-top:4px}.back-link{display:inline-flex;align-items:center;gap:6px;margin-bottom:16px;color:#7eb8ff;text-decoration:none;font-size:14px;background:none;border:none;padding:0;cursor:pointer}.back-link:hover{text-decoration:underline;color:#a8d4ff}.back-link.back-link-icon{margin-bottom:0;min-width:44px;min-height:44px;padding:10px;border-radius:8px;justify-content:center}.back-link.back-link-icon:hover{text-decoration:none;background:#ffffff14}a.back-link.back-link-icon{text-decoration:none;box-sizing:border-box}.student-task-header{display:flex;flex-direction:column;gap:12px}.student-task-header-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.student-task-header .student-task-header-title{flex:1;min-width:0;margin:0;font-size:1.25rem;font-weight:600;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.student-task-header .student-task-nav-btn{flex-shrink:0}.student-task-header .student-task-forward-btn{margin-left:auto}.student-task-header-spacer{width:44px;min-width:44px;height:44px;flex-shrink:0;margin-left:auto}.student-app .student-task-main{width:100%;max-width:720px;margin-left:auto;margin-right:auto;align-self:center;flex:1 1 auto}.student-task-main .task-condition{margin-bottom:20px;padding:16px 18px;background:#00000040;border:1px solid rgba(255,255,255,.08);border-radius:10px;font-size:15px;line-height:1.5}.student-task-main .task-condition .task-detail-text{max-height:none;overflow:visible}.task-answer-input{margin-bottom:16px}.task-answer-input label{display:block;margin-bottom:8px;font-size:14px}.option-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.option-list li{display:flex;align-items:center;gap:10px;cursor:pointer}.option-list input[type=radio],.option-list input[type=checkbox]{flex-shrink:0;cursor:pointer}.option-list-rendered .option-text{flex:1;min-width:0}.option-list-rendered .option-text p{display:inline;margin:0}.option-list-rendered .option-text p+p:before{content:" ";white-space:pre}.option-list-rendered .option-text .block-katex{display:inline-block;vertical-align:middle;margin:0 .25em 0 0}.option-list-rendered .option-text.markdown-preview{line-height:1.5;padding:0;background:transparent;border:none;border-radius:0}.submit-answer-btn{padding:12px 24px;font-size:14px;margin-top:8px}.task-result{margin-top:20px;padding:14px 18px;border-radius:10px;font-size:15px;font-weight:500}.task-result.correct{background:#2ecc7126;border:1px solid rgba(46,204,113,.5);color:#2ecc71}.task-result.partial{background:#f1c40f26;border:1px solid rgba(241,196,15,.5);color:#f1c40f}.task-result.wrong{background:#dc354526;border:1px solid rgba(220,53,69,.5);color:#ff7675}.task-after-wrong{margin-top:16px;display:flex;flex-wrap:wrap;gap:10px}.task-after-wrong button{padding:10px 18px;font-size:13px}.task-after-correct{margin-top:16px}.task-after-correct .button{padding:10px 18px;font-size:14px}.task-solution{margin-top:24px;padding:18px 20px;background:#0000004d;border:1px solid rgba(255,255,255,.1);border-radius:10px}.task-solution h3{margin:0 0 12px;font-size:16px}.task-solution-given-title{margin:14px 0 8px;font-size:14px;font-weight:600;opacity:.95}.task-solution-answer{margin:16px 0 0;font-size:15px;font-weight:600;opacity:.95}.task-solution .markdown-preview{margin:0;max-height:none;overflow:visible}.task-solution .block-katex,.task-solution .katex-display,.task-solution span.katex-display{overflow-x:visible;overflow-y:visible}.task-solution.task-detail-sections-wrap .task-detail-section .task-detail-text,.task-solution.task-detail-sections-wrap .task-detail-text.markdown-preview{max-height:none;overflow:visible}.header-progress-link{background:none;border:none;padding:0;color:#7eb8ff;text-decoration:none;font-size:13px;cursor:pointer}.header-progress-link:hover{text-decoration:underline;color:#a8d4ff}.student-progress .progress-summary,.student-progress .progress-concepts{margin-bottom:24px}.progress-summary h2,.progress-concepts h2{margin:0 0 14px;font-size:18px}.progress-stats{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:20px 32px}.progress-stats li{display:flex;flex-direction:column;gap:2px}.progress-stat-value{font-size:22px;font-weight:600}.progress-stat-label{font-size:13px;opacity:.85}.progress-stat-label-short{display:none}.progress-rate{margin:14px 0 0;font-size:14px}.progress-concepts .muted.small{margin:0 0 12px}.progress-table-wrap{overflow-x:auto}.progress-table{width:100%;border-collapse:collapse;font-size:13px}.progress-table th,.progress-table td{padding:8px 12px;text-align:left;border-bottom:1px solid rgba(255,255,255,.08)}.progress-table th{font-weight:600;opacity:.9}.progress-concept-name{font-size:14px}.progress-concept-name .markdown-preview.progress-concept-name-md{padding:0;background:transparent;border:none;border-radius:0;max-height:none;overflow:visible;font-size:inherit;line-height:inherit}.progress-concept-name .progress-concept-name-md p:first-child{margin-top:0}.progress-concept-name .progress-concept-name-md p:last-child{margin-bottom:0}.progress-concept-name .progress-concept-name-md .katex{font-size:1em}.admin-detail-concept-title.markdown-preview.progress-concept-name-md{padding:0;background:transparent;border:none;border-radius:0;max-height:none;overflow:visible;font-size:inherit;line-height:inherit;display:inline}.admin-detail-concept-title.progress-concept-name-md p{display:inline;margin:0}.admin-detail-concept-title.progress-concept-name-md .katex{font-size:1em}.progress-concept-id{font-family:ui-monospace,monospace;font-size:12px;word-break:break-all}.admin-students-main{display:grid;grid-template-columns:280px minmax(0,1fr);gap:20px;align-items:start}.admin-students-list h2,.admin-student-progress h2{margin:0 0 12px;font-size:16px}.admin-student-stats-bar{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;padding:10px 14px;margin-bottom:14px;background:#0003;border:1px solid rgba(255,255,255,.08);border-radius:8px;font-size:13px}.admin-student-stat{display:inline-flex;align-items:baseline;gap:6px;color:#ffffffd9}.admin-student-stat strong{font-weight:600;color:#ffffffb3}.admin-student-stat-success strong{color:#2ecc71f2}.admin-student-stat-partial strong{color:#f1c40ff2}.admin-student-stat-error strong{color:#e74c3cf2}.admin-student-stat-activity strong{color:#9b59b6e6}[data-theme=light] .admin-student-stats-bar{background:#0000000d;border-color:#0000001a}[data-theme=light] .admin-student-stat{color:#1a1a1a}[data-theme=light] .admin-student-stat strong{color:#000000a6}[data-theme=light] .admin-student-stat-success strong{color:#27ae60}[data-theme=light] .admin-student-stat-partial strong{color:#b7950b}[data-theme=light] .admin-student-stat-error strong{color:#c0392b}[data-theme=light] .admin-student-stat-activity strong{color:#6c3483}.admin-students-ul{list-style:none;margin:0;padding:0}.admin-student-row{margin:0;padding:0}.admin-student-btn{display:block;width:100%;padding:10px 12px;text-align:left;background:transparent;border:1px solid transparent;border-radius:8px;color:inherit;cursor:pointer;transition:background .2s,border-color .2s}.admin-student-btn:hover{background:#ffffff0f;border-color:#ffffff1a}.admin-student-btn.active{background:#6c5ce733;border-color:#6c5ce766}.admin-student-email{font-weight:500}.admin-student-name{font-size:13px}.admin-detail-btn{padding:4px 10px;font-size:12px;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:6px;color:inherit;cursor:pointer}.admin-detail-btn:hover{background:#ffffff1f}.admin-detail-overlay{z-index:1100}.admin-detail-modal .task-detail-modal-body{max-width:none;min-height:0}.admin-levels-table{margin-top:12px}.admin-assign-list,.admin-assign-results{list-style:none;padding:0;margin:.5rem 0;max-height:140px;overflow-y:auto}.admin-assign-item{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:4px 0;border-bottom:1px solid rgba(255,255,255,.06)}.admin-assign-item code{font-size:11px;word-break:break-all}.admin-assign-search{display:flex;gap:8px;margin-top:8px}.admin-assign-search input{flex:1;min-width:0;padding:6px 8px;font-size:13px;background:#ffffff0f;border:1px solid rgba(255,255,255,.12);border-radius:6px;color:inherit}.text-ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:200px}.admin-detail-btn.small{padding:2px 8px;font-size:11px}.admin-sections-compound-list{display:flex;flex-direction:column;gap:6px}.admin-section-compound-item{display:flex;flex-direction:row;align-items:center;gap:8px;cursor:pointer;-webkit-user-select:none;user-select:none;position:relative}.admin-section-compound-checkbox{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.admin-section-compound-box{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:1em;height:1em;min-width:1em;border:1.5px solid currentColor;border-radius:2px;background:transparent;order:-1}.admin-section-compound-item:has(.admin-section-compound-checkbox:checked) .admin-section-compound-box:after{content:"✓";font-size:.75em;line-height:1;font-weight:700}.admin-section-compound-label{flex:1;min-width:0;text-align:left}.admin-section-compound-item:has(.admin-section-compound-checkbox:focus-visible) .admin-section-compound-box{outline:2px solid var(--focus-color, rgba(100, 160, 255, .8));outline-offset:2px}@media (max-width: 640px){.admin-assign-grid{grid-template-columns:1fr!important}}@media (max-width: 768px){.admin-students-main{grid-template-columns:1fr}}@media (max-width: 768px){.student-app .app-header-row{flex-wrap:wrap;gap:8px 12px}.student-app .student-header-block-main,.student-app .student-header-block-nav{flex-wrap:wrap}.student-app .header-actions{flex-wrap:wrap;gap:8px}.student-app .header-continue-link{max-width:180px}.student-app .student-main{padding:12px 16px}.student-app .student-view-tabs{flex-wrap:wrap;gap:6px;margin:0}.student-app .student-view-tabs button{min-height:44px;padding:10px 14px;font-size:13px}.student-app .student-chain-card{padding:14px 16px;min-height:44px;box-sizing:border-box}.student-app .student-task-list-item{min-height:44px;padding:4px 0}.student-app .student-chain-element{padding:12px 14px;min-height:44px}.student-app .student-progress .progress-summary,.student-app .student-progress .progress-concepts{margin-bottom:16px}.student-app .progress-summary.card{padding:12px 14px}.student-app .progress-summary-title{margin:0 0 10px;font-size:16px}.student-app .progress-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px 10px}.student-app .progress-stats li{gap:0;min-width:0}.student-app .progress-stat-value{font-size:17px}.student-app .progress-stat-label-full{display:none}.student-app .progress-stat-label-short{display:inline;font-size:11px;opacity:.85}.student-app .progress-rate{margin:10px 0 0;font-size:12px}.student-app .student-knowledge-graph .student-graph-container{min-height:400px;margin:0 -16px;width:calc(100% + 32px);max-width:none}.student-app .student-graph-legend{flex-direction:column;gap:8px}}@media (max-width: 480px){.student-app .student-main,.student-app .progress-summary.card{padding:10px 12px}.student-app .progress-summary-title{font-size:15px;margin-bottom:8px}.student-app .progress-stats{gap:6px 8px}.student-app .progress-stat-value{font-size:15px}.student-app .progress-stat-label-short{font-size:10px}.student-app .progress-rate{margin-top:8px;font-size:11px}.student-app .student-knowledge-graph .student-graph-container{margin:0 -12px;width:calc(100% + 24px)}}.admin-difficulty-main{grid-template-columns:1fr;width:100%}.admin-difficulty-article hr.difficulty-article-sep{margin:24px 0;border:none;border-top:1px solid rgba(255,255,255,.15)}.difficulty-description h3{margin:0 0 8px;font-size:16px}.difficulty-description-list{margin:8px 0 0;padding-left:20px;line-height:1.5}.difficulty-description-list li{margin-bottom:8px}.difficulty-description-list code{font-size:.9em;background:#ffffff1a;padding:1px 4px;border-radius:3px}.formula-text{margin:12px 0;padding:10px 12px;background:#ffffff0f;border-radius:6px;font-size:14px}.formula-text sub{font-size:.75em}.difficulty-weights-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;margin:12px 0}.difficulty-weight-item{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}.difficulty-weight-label{font-weight:500;min-width:2.5em}.difficulty-weight-item input{width:64px;padding:6px 8px}.difficulty-calc-config-form fieldset.difficulty-calc-section{margin:16px 0;padding:12px;border:1px solid rgba(255,255,255,.15);border-radius:6px}.difficulty-calc-section legend{font-size:14px;padding:0 6px}.difficulty-calc-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin:8px 0}.difficulty-calc-row label{display:inline-flex;align-items:center;gap:4px;white-space:nowrap}.difficulty-calc-config-form .difficulty-calc-row input[type=number]{width:56px;padding:4px 6px}.difficulty-calc-config-form .field-row label{margin-right:12px}.difficulty-calc-config-form .field-row input[type=number]{width:64px;margin-left:4px}[data-theme=light] body{background:#e8eaed;color:#1a1a1a}[data-theme=light] .app-header{border-bottom-color:#00000014;background:linear-gradient(135deg,#5c6bc0,#7e57c2);color:#fff}[data-theme=light] .app-header p{opacity:.95}[data-theme=light] .app-header .back-link,[data-theme=light] .app-header .header-progress-link{color:#fff;opacity:1}[data-theme=light] .app-header .back-link:hover,[data-theme=light] .app-header .header-progress-link:hover{color:#e8e0ff;opacity:1}[data-theme=light] .app-header .user-email{color:#fff;opacity:1}[data-theme=light] .app-header .header-logout{background:#ffffff47;border-color:#ffffff73;color:#fff}[data-theme=light] .app-header .header-logout:hover{background:#fff6;color:#fff}[data-theme=light] .app-header .theme-toggle{background:#ffffff47;border-color:#ffffff73;color:#fff}[data-theme=light] .app-header .theme-toggle:hover{background:#fff6;color:#fff}[data-theme=light] .app-header .student-chain-progress-text,[data-theme=light] .app-header .student-review-target-label{color:#fffffff2}[data-theme=light] .main-tabs button{background:#fff3;border-color:#ffffff40;color:#fff}[data-theme=light] .main-tabs button:hover{background:#ffffff4d}[data-theme=light] .main-tabs button.active{background:#fffffff2;color:#5c6bc0}[data-theme=light] .card{background:#fff;box-shadow:0 2px 12px #00000014;border-color:#0000000f}[data-theme=light] input[type=text],[data-theme=light] input[type=number],[data-theme=light] select,[data-theme=light] textarea{border-color:#0003;background:#fff;color:#1a1a1a}[data-theme=light] input:focus,[data-theme=light] select:focus,[data-theme=light] textarea:focus{border-color:#5c6bc0;box-shadow:0 0 0 1px #5c6bc066}[data-theme=light] .user-email{color:inherit}[data-theme=light] .header-logout{background:#ffffff40;border-color:#ffffff59;color:#fff}[data-theme=light] .header-logout:hover{background:#ffffff59}[data-theme=light] .theme-toggle{background:#ffffff40;border:1px solid rgba(255,255,255,.35);color:#fff}[data-theme=light] .theme-toggle:hover{background:#ffffff59}[data-theme=light] .auth-page{background:linear-gradient(135deg,#5c6bc0,#7e57c2)}[data-theme=light] .auth-page .theme-toggle{background:#ffffff40;border-color:#fff6;color:#fff}[data-theme=light] .student-app{background:#e8eaed}[data-theme=light] .concept-list,[data-theme=light] .concept-list-item,[data-theme=light] .concept-list-name,[data-theme=light] .concept-list-meta{color:#1a1a1a}[data-theme=light] .concept-list-item{background:#0000000a}[data-theme=light] .layer2-list-item,[data-theme=light] .chain-result-item,[data-theme=light] .chain-order-list>li{background:#0000000a;border-color:#00000014}[data-theme=light] .layer2-fieldset{border-color:#0000001f}[data-theme=light] .layer2-tabs button{background:#0000000f;border-color:#0000001f;color:inherit}[data-theme=light] .layer2-tabs button.active{background:linear-gradient(135deg,#00b894,#0984e3);border-color:transparent;color:#fff}[data-theme=light] .markdown-preview{background:#0000000d;border-color:#0000001a}[data-theme=light] .markdown-preview th,[data-theme=light] .markdown-preview td{border-color:#00000026}[data-theme=light] .markdown-preview th{background:#0000000f}[data-theme=light] .markdown-preview tr:nth-child(2n) td{background:#00000008}[data-theme=light] .markdown-preview code,[data-theme=light] .markdown-preview pre{background:#00000014}[data-theme=light] .markdown-preview .katex,[data-theme=light] .markdown-preview .inline-katex .katex,[data-theme=light] .markdown-preview .block-katex .katex{color:#1a1a1a}[data-theme=light] .graph-overlay{background:#0006}[data-theme=light] .graph-card{background:#fff;border-color:#0000001f}[data-theme=light] .graph-svg,[data-theme=light] .graph-sigma-container{background:linear-gradient(180deg,#e8eaf6,#e8eaed 60%)}[data-theme=light] .graph-settings{color:#0009}[data-theme=light] .graph-settings code{background:#0000000f;padding:0 4px;border-radius:3px}[data-theme=light] .task-detail-overlay{background:#0006}[data-theme=light] .task-detail-modal{background:#fff;border-color:#0000001f}[data-theme=light] .task-detail-modal-header{border-bottom-color:#00000014}[data-theme=light] .layer2-modal-overlay{background:#0006}[data-theme=light] .layer2-modal{background:#fff;border-color:#0000001f;color:#1a1a1a}[data-theme=light] .layer2-modal-header{border-bottom-color:#00000014}[data-theme=light] .layer2-modal-header h3,[data-theme=light] .layer2-modal-body{color:#1a1a1a}[data-theme=light] .layer2-modal-body .chain-preview,[data-theme=light] .layer2-modal-body .chain-preview-title,[data-theme=light] .layer2-modal-body .chain-preview-subtitle,[data-theme=light] .layer2-modal-body .chain-preview-step-num,[data-theme=light] .layer2-modal-body .chain-preview-display-label,[data-theme=light] .layer2-modal-body .task-detail-text,[data-theme=light] .layer2-modal-body .markdown-preview,[data-theme=light] .layer2-modal-body .muted{color:inherit}[data-theme=light] .layer2-modal-body .muted{opacity:.75}[data-theme=light] .layer2-modal-body .markdown-preview{background:#0000000d;border-color:#0000001a}[data-theme=light] .layer2-modal-body .chain-preview .markdown-preview,[data-theme=light] .layer2-modal-body .chain-preview .task-detail-text,[data-theme=light] .layer2-modal-body .chain-preview .task-detail-section{background:transparent!important;border:none!important}[data-theme=light] .layer2-modal-body .markdown-preview .katex,[data-theme=light] .layer2-modal-body .block-katex .katex{color:#1a1a1a}[data-theme=light] .relation-select,[data-theme=light] select.link-chip-relation{background:#fff;color:#1a1a1a;border-color:#0003}[data-theme=light] .relation-select option,[data-theme=light] select.link-chip-relation option{background:#fff;color:#1a1a1a}[data-theme=light] .student-main .student-action-btn{border-color:#00000026;background:#0000000d;color:inherit}[data-theme=light] .student-main .student-action-btn:hover:not(:disabled){background:#00000014}[data-theme=light] .student-main .student-action-btn:focus-visible,[data-theme=light] .student-main .student-chain-card:focus-visible{outline:2px solid rgba(108,92,231,.6);outline-offset:2px}[data-theme=light] .student-chain-card,[data-theme=light] .student-main .student-chain-card{background:#0000000d;border-color:#00000026;color:inherit}[data-theme=light] .student-chain-card:hover,[data-theme=light] .student-main .student-chain-card:hover{background:#00000014;border-color:#6c5ce773}[data-theme=light] .student-main .student-chain-card .student-chain-card-progress-track{background:#0000001f}[data-theme=light] .student-main .student-chain-card .student-chain-card-progress-text{color:#555}[data-theme=light] .student-chain-title{color:#1a1a1a}[data-theme=light] .student-chain-meta{color:#555}[data-theme=light] .student-chain-element{background:#ffffffe6;border-color:#0000001a;color:#1a1a1a}[data-theme=light] .student-chain-element-done{border-color:#2ecc7159;background:#2ecc710f}[data-theme=light] .student-chain-element-ordinal{color:#333}[data-theme=light] .student-chain-element-label{color:#1a1a1a}[data-theme=light] .student-chain-element-btn:focus-visible{outline:2px solid rgba(108,92,231,.6);outline-offset:2px}[data-theme=light] .task-chain-next{border-top-color:#0000001a}[data-theme=light] .student-task-ordinal{color:#444}[data-theme=light] .student-task-list,[data-theme=light] .student-chain-list{color:inherit}[data-theme=light] .student-chain-progress-text{color:#555}[data-theme=light] .student-chain-progress-track{background:#00000024}[data-theme=light] .student-chain-progress-fill{background:linear-gradient(90deg,#6c5ce7,#5b4cdb)}[data-theme=light] .student-task-card{background:#fff;border-color:#0000001a;color:inherit}[data-theme=light] .student-task-card:hover{background:#f5f5f5;border-color:#5c6bc066}[data-theme=light] .task-condition,[data-theme=light] .task-solution,[data-theme=light] .task-detail-expand,[data-theme=light] .task-form-preview-col,[data-theme=light] .task-form-triple-col{background:#0000000a;border-color:#00000014}[data-theme=light] .task-form-suggestions{background:#fff;border-color:#0000001f}[data-theme=light] .task-form-suggestions button:hover{background:#5c6bc01f}[data-theme=light] .progress-table th,[data-theme=light] .progress-table td{border-bottom-color:#00000014}[data-theme=light] .admin-student-btn:hover{background:#0000000f;border-color:#0000001a}[data-theme=light] .admin-student-btn.active{background:#5c6bc026;border-color:#5c6bc059}[data-theme=light] .material-detail-child{background:#0000000a;border-color:#00000014}[data-theme=light] .layer3-settings-row input[type=number],[data-theme=light] .layer3-settings-row input[type=text]{background:#fff;border-color:#00000026;color:#1a1a1a}[data-theme=light] .back-link,[data-theme=light] .header-progress-link{color:#5c6bc0}[data-theme=light] .back-link:hover,[data-theme=light] .header-progress-link:hover{color:#7e57c2}[data-theme=light] .back-link.back-link-icon:hover,[data-theme=light] .header-progress-link.header-icon-btn:hover{background:#0000000f}[data-theme=light] .student-header-block-nav .header-logout.header-logout-icon,[data-theme=light] .student-header-block-nav .student-header-logo,[data-theme=light] .student-header-block-nav .student-view-tabs button,[data-theme=light] .student-header-block-nav .student-view-tabs a,[data-theme=light] .student-header-block-nav .header-progress-link.header-icon-btn,[data-theme=light] .student-header-block-nav .theme-toggle{border-color:#00000026;background:#0000000d;color:inherit}[data-theme=light] .student-header-block-nav .student-view-tabs a:visited,[data-theme=light] .student-header-block-nav .student-view-tabs a:focus{color:inherit;background:#0000000d;border-color:#00000026}[data-theme=light] .student-header-block-nav .header-logout.header-logout-icon:hover,[data-theme=light] .student-header-block-nav .student-header-logo:hover,[data-theme=light] .student-header-block-nav .student-view-tabs button:hover,[data-theme=light] .student-header-block-nav .student-view-tabs a:hover,[data-theme=light] .student-header-block-nav .header-progress-link.header-icon-btn:hover,[data-theme=light] .student-header-block-nav .theme-toggle:hover{background:#00000014}[data-theme=light] .student-header-block-nav .student-view-tabs button.active,[data-theme=light] .student-header-block-nav .student-view-tabs a.active,[data-theme=light] .student-header-block-nav .header-progress-link.header-icon-btn.active{border-color:#6c5ce780;background:#6c5ce726}[data-theme=light] .auth-switch .link{color:#5c6bc0}[data-theme=light] .auth-switch .link:hover{color:#7e57c2}[data-theme=light] .error-banner,[data-theme=light] .auth-error{background:#dc35451a;border-color:#dc354566;color:#c62828}.media-upload-trigger{padding:6px 12px;font-size:13px;color:#9fa8da;background:#ffffff0f;border:1px solid rgba(255,255,255,.12);border-radius:6px;cursor:pointer}.media-upload-trigger:hover{background:#ffffff1a;color:#c5cae9}.task-form-media-trigger-row{margin-bottom:12px}.task-form-media-trigger-row .media-upload-trigger{margin-right:8px}.media-upload-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}.media-upload-modal{background:#1a2234;border:1px solid rgba(255,255,255,.12);border-radius:12px;min-width:320px;max-width:480px;width:100%;max-height:90vh;overflow:auto;box-shadow:0 12px 40px #0006}.media-upload-modal-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.08)}.media-upload-modal-header h3{margin:0;font-size:16px;font-weight:600}.media-upload-modal-close{background:none;border:none;color:#b0bec5;font-size:24px;line-height:1;cursor:pointer;padding:0 4px}.media-upload-modal-close:hover{color:#fff}.media-upload-modal-body{padding:16px}.media-upload-row{display:flex;align-items:center;gap:8px;margin-bottom:12px}.media-upload-input{position:absolute;width:0;height:0;opacity:0;pointer-events:none}.media-upload-btn{padding:8px 14px;font-size:13px;color:#e8eaf6;background:#673ab766;border:1px solid rgba(103,58,183,.6);border-radius:6px;cursor:pointer}.media-upload-btn:hover:not(:disabled){background:#673ab799}.media-upload-btn:disabled{opacity:.7;cursor:not-allowed}.media-upload-dropzone{border:1px dashed rgba(255,255,255,.2);border-radius:8px;padding:16px;text-align:center;font-size:13px;color:#90a4ae;cursor:pointer;margin-bottom:12px}.media-upload-dropzone:hover,.media-upload-dropzone:focus{border-color:#673ab780;color:#b0bec5;outline:none}.media-upload-error{color:#ef5350;margin:0 0 12px}.media-upload-result{margin-top:12px;padding-top:12px;border-top:1px solid rgba(255,255,255,.08)}.media-upload-copy-row{display:flex;align-items:center;gap:8px;margin-top:4px}.media-upload-code{flex:1;min-width:0;font-size:12px;padding:6px 8px;background:#00000040;border-radius:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.media-upload-copy-btn{flex-shrink:0;padding:4px 10px;font-size:12px;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:4px;color:#e8eaf6;cursor:pointer}.media-upload-copy-btn:hover{background:#ffffff1f}.media-upload-insert-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.media-upload-insert-btn{padding:8px 14px;font-size:13px;background:#4caf504d;border:1px solid rgba(76,175,80,.5);border-radius:6px;color:#c8e6c9;cursor:pointer}.media-upload-insert-btn:hover{background:#4caf5073}
