@font-face{font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(./KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(./KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(./KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(./KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(./KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(./KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(./KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(./KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(./KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(./KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(./KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(./KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(./KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(./KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(./KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(./KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(./KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(./KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(./KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(./KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(./KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(./KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(./KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(./KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(./KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(./KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(./KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(./KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(./KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(./KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(./KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(./KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(./KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(./KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(./KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(./KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(./KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(./KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(./KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(./KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(./KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(./KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(./KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(./KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(./KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(./KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(./KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(./KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(./KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(./KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(./KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(./KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(./KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(./KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(./KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(./KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(./KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(./KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(./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:"0.16.11"}.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 .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}:root{--bg: #f5f7fb;--card: #ffffff;--text: #1e293b;--muted: #64748b;--line: #e2e8f0;--soft: #eef2ff;--accent: #2563eb;--accent-ink: #ffffff;--accent2: #ea580c;--good: #16a34a;--good-bg: #ecfdf3;--warn: #dc2626;--warn-bg: #fef2f2;--amber-bg: #fff7ed;--shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 2px 8px rgba(15, 23, 42, .04);--radius: 14px;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #0f1420;--card: #182030;--text: #e5e9f2;--muted: #94a0b8;--line: #2a3448;--soft: #1e2a44;--accent: #60a5fa;--accent-ink: #0b1220;--accent2: #fb923c;--good: #4ade80;--good-bg: #12291c;--warn: #f87171;--warn-bg: #2d1717;--amber-bg: #2b2114;--shadow: none;color-scheme:dark}}:root[data-theme=dark]{--bg: #0f1420;--card: #182030;--text: #e5e9f2;--muted: #94a0b8;--line: #2a3448;--soft: #1e2a44;--accent: #60a5fa;--accent-ink: #0b1220;--accent2: #fb923c;--good: #4ade80;--good-bg: #12291c;--warn: #f87171;--warn-bg: #2d1717;--amber-bg: #2b2114;--shadow: none;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font-family:Pretendard,Apple SD Gothic Neo,Malgun Gothic,Noto Sans KR,system-ui,sans-serif;font-size:16px;line-height:1.55;-webkit-text-size-adjust:100%}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}input[type=text],input[type=password],select,textarea{background:var(--card);border:1.5px solid var(--line);border-radius:10px;padding:8px 12px;min-height:42px;max-width:100%}input:focus,select:focus,textarea:focus,button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.app{min-height:100vh;padding-bottom:calc(68px + env(safe-area-inset-bottom))}main{max-width:860px;margin:0 auto;padding:0 16px}.page{padding:12px 0 24px;display:flex;flex-direction:column;gap:12px}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:8px;padding:8px 16px;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.brand{background:none;border:0;font-weight:800;font-size:1.05rem;display:flex;align-items:center;gap:8px;padding:4px 0}.logo{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--accent);color:var(--accent-ink);font-size:18px}.topnav{display:none;margin-left:auto;gap:4px}.topnav button{background:none;border:0;padding:8px 12px;border-radius:10px;color:var(--muted);font-weight:600;position:relative}.topnav button.on{color:var(--accent);background:var(--soft)}.topbar>.iconbtn{margin-left:auto}.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:20;display:grid;grid-template-columns:repeat(5,1fr);background:var(--card);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.tabbar button{background:none;border:0;padding:6px 2px 8px;display:flex;flex-direction:column;align-items:center;gap:1px;color:var(--muted);min-height:58px;position:relative}.tabbar button.on{color:var(--accent)}.tb-ic{font-size:20px;filter:grayscale(.6)}.tabbar button.on .tb-ic{filter:none}.tb-t{font-size:11.5px;font-weight:600}.dotbadge{position:absolute;top:4px;right:calc(50% - 22px);background:var(--warn);color:#fff;font-size:10.5px;font-weight:700;border-radius:99px;padding:0 5px;min-width:17px;line-height:17px;text-align:center}.topnav .dotbadge{top:0;right:0}@media (min-width: 760px){.topnav{display:flex}.topbar>.iconbtn{margin-left:4px}.tabbar{display:none}.app{padding-bottom:24px}}.app.focus .tabbar{display:none}.app.focus{padding-bottom:16px}.storage-warn{background:var(--warn-bg);color:var(--warn);padding:8px 16px;font-size:14px;text-align:center}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}.card-h{font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.sub-h{font-weight:600;font-size:14px;color:var(--muted);margin:10px 0 6px}.muted{color:var(--muted)}.small{font-size:13.5px}.center{text-align:center}.b{font-weight:700}.err{color:var(--warn);font-size:14px;margin-top:6px}.pagehead{display:flex;align-items:center;gap:8px;min-height:44px}.pagehead h1{font-size:1.3rem;margin:0;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ph-right{display:flex;align-items:center;gap:8px}.iconbtn{background:none;border:0;width:40px;height:40px;border-radius:10px;font-size:22px;display:grid;place-items:center;flex:none}.iconbtn:hover{background:var(--soft)}.btn{min-height:42px;padding:8px 16px;border-radius:11px;border:1.5px solid var(--line);background:var(--card);font-weight:600;white-space:nowrap}.btn:hover:not(:disabled){border-color:var(--accent)}.btn:disabled{opacity:.5;cursor:default}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.primary:hover:not(:disabled){filter:brightness(1.07)}.btn.ghost{background:transparent;border-color:transparent;color:var(--accent)}.btn.ghost:hover:not(:disabled){background:var(--soft)}.btn.danger{color:var(--warn);border-color:var(--warn)}.btn.small{min-height:36px;padding:5px 12px;font-size:14px}.btn.grow{flex:1}.btnrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;align-items:center}.btnrow.tight{margin-top:0;gap:4px}.link{background:none;border:0;padding:0;color:var(--accent);font-weight:600;text-align:left}.badge{font-size:12px;font-weight:700;color:var(--accent);background:var(--soft);border-radius:99px;padding:2px 8px;white-space:nowrap}.tip{background:var(--amber-bg);border-radius:10px;padding:8px 12px;font-size:14px;margin-bottom:10px}.warnbox{border-color:color-mix(in srgb,var(--accent2) 45%,var(--line));background:var(--amber-bg)}.seg{display:inline-flex;background:var(--soft);border-radius:11px;padding:3px;gap:2px;flex-wrap:wrap}.seg button{border:0;background:transparent;padding:6px 12px;border-radius:9px;min-height:36px;font-weight:600;color:var(--muted)}.seg button.on{background:var(--card);color:var(--accent);box-shadow:var(--shadow)}.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line)}.tabs button{border:0;background:none;padding:10px 14px;font-weight:700;color:var(--muted);border-bottom:3px solid transparent;margin-bottom:-1px;min-height:44px}.tabs button.on{color:var(--accent);border-bottom-color:var(--accent)}.bar{height:8px;background:var(--line);border-radius:99px;overflow:hidden;flex:1;min-width:40px}.bar>div{height:100%;background:var(--accent);border-radius:99px;transition:width .4s}.ring{flex:none}.ring-bg{fill:none;stroke:var(--line);stroke-width:4}.ring-fg{fill:none;stroke-width:4;stroke-linecap:round;transition:stroke-dasharray .5s}.ring text{fill:var(--text);font-weight:700}.sdot{display:inline-block;width:9px;height:9px;border-radius:50%;flex:none}.stag{display:inline-block;font-size:12px;font-weight:700;border:1.5px solid;border-radius:99px;padding:1px 8px;margin-top:6px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}@media (min-width: 760px){.grid2{grid-template-columns:repeat(4,1fr)}}.hero{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:8px 2px}.hello{font-size:1.45rem;font-weight:800}.sub{color:var(--muted);font-size:14px}.hero-stats{display:flex;gap:10px}.hs{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:6px 14px;text-align:center;min-width:82px}.hs b{display:block;font-size:1.3rem;color:var(--accent)}.hs span{font-size:12px;color:var(--muted)}.next{border-color:color-mix(in srgb,var(--accent) 35%,var(--line))}.next-row{display:flex;align-items:center;gap:14px}.next-title{font-weight:700;font-size:1.08rem}.tile{text-align:left;display:flex;flex-direction:column;gap:2px;min-height:108px}.tile:hover,.kind:hover{border-color:var(--accent)}.tile-ic{font-size:24px}.tile-t{font-weight:700}.tile-s{font-size:13px;color:var(--muted)}.legend-row{display:flex;flex-wrap:wrap;gap:6px 14px;margin-bottom:6px}.lg{display:inline-flex;align-items:center;gap:6px;font-size:14px}.courses{display:flex;flex-direction:column;gap:12px}.course.mine{border-color:color-mix(in srgb,var(--accent) 50%,var(--line))}.course-h{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:6px}.course-t{font-weight:800;font-size:1.1rem;display:flex;align-items:center;gap:8px}.course-m{display:flex;align-items:center;gap:8px;width:42%;max-width:220px}.unitlist{display:flex;flex-direction:column}.urow{display:flex;align-items:center;gap:10px;background:none;border:0;border-top:1px solid var(--line);padding:9px 2px;text-align:left;min-height:52px}.urow:hover{background:var(--soft)}.urow.dim .ut-t{color:var(--muted)}.uno{width:22px;text-align:center;font-weight:700;color:var(--muted);flex:none}.ut{flex:1;min-width:0;display:flex;flex-direction:column}.ut-t{font-weight:600}.ut-s{font-size:12.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.uterm{font-size:11.5px;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:0 5px;flex:none}.tree-help{margin:-2px 2px 0}.treewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);-webkit-overflow-scrolling:touch}.tree{border-collapse:collapse;min-width:100%}.tree th,.tree td{border:1px solid var(--line);padding:6px;vertical-align:top}.tree thead th{font-size:13px;white-space:nowrap;background:var(--soft)}.tree thead th.mine{color:var(--accent)}.tree th.sticky{position:sticky;left:0;background:var(--card);z-index:1;font-size:12.5px;width:64px;min-width:64px;text-align:left}.tree thead th.sticky{background:var(--soft)}.tree td{min-width:112px}.chip{display:block;width:100%;text-align:left;font-size:12.5px;line-height:1.3;border:1.5px solid;border-radius:8px;padding:5px 7px;margin-bottom:4px;background:linear-gradient(90deg,color-mix(in srgb,var(--good) 22%,transparent) var(--p),transparent var(--p))}.chip.dim{opacity:.55;border-style:dashed}.chip.done{font-weight:700}.uh-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.uh-sum{font-weight:600;margin-top:4px}.links{display:flex;flex-direction:column;gap:6px}.unitlink{display:flex;align-items:center;gap:8px;background:var(--soft);border:1px solid transparent;border-radius:10px;padding:6px 10px;text-align:left;min-height:44px}.unitlink:hover{border-color:var(--accent)}.ul-course{font-size:12px;color:var(--muted);flex:none}.ul-title{flex:1;font-weight:600}.concepts{display:flex;flex-direction:column;gap:12px}.concept{border-left:4px solid var(--accent);padding:2px 0 2px 12px}.cc-h{font-weight:700;display:flex;gap:8px;align-items:baseline;margin-bottom:4px}.cc-n{color:var(--accent)}.example{margin-top:8px;background:var(--soft);border-radius:10px;padding:8px 12px}.ex-tag{font-size:12px;font-weight:700;color:var(--accent2);margin-right:6px}.ex-a{margin-top:4px;font-weight:600}.skills{display:flex;flex-direction:column;gap:4px}.skill{display:flex;align-items:center;gap:10px;padding:6px 0;border-top:1px solid var(--line)}.skill:first-child{border-top:0}.sk-info{flex:1;display:flex;flex-direction:column;gap:4px;min-width:0}.sk-t{font-weight:600}.sk-sc{width:30px;text-align:right;font-size:13px;color:var(--muted)}.mt ul{margin:4px 0;padding-left:20px}.mt li{margin:2px 0}.mdisp{margin:6px 0;overflow-x:auto;overflow-y:hidden}.katex{font-size:1.12em}.progress{height:6px;background:var(--line);border-radius:99px;overflow:hidden}.progress>div{height:100%;background:var(--accent);transition:width .3s}.pcard{display:flex;flex-direction:column;gap:14px}.pmeta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.lv{font-size:12px;font-weight:700;border-radius:6px;padding:1px 8px;background:var(--good-bg);color:var(--good)}.lv[data-lv="2"]{background:var(--soft);color:var(--accent)}.lv[data-lv="3"]{background:var(--amber-bg);color:var(--accent2)}.lv[data-lv="4"]{background:linear-gradient(90deg,#ff8a3d,#e8364f);color:#fff}.pbody{display:flex;flex-direction:column;gap:10px}.pq{font-size:1.12rem;line-height:1.7;display:flex;gap:6px}.pq>.mt{flex:1;min-width:0}.pnum{font-weight:800}.figwrap{display:flex;justify-content:center;overflow-x:auto}.figwrap svg{max-width:100%;height:auto;color:var(--text)}.fig line,.fig polygon,.fig polyline,.fig circle,.fig rect,.fig path{stroke:currentColor;stroke-width:1.5;fill:none}.fig text{fill:currentColor;stroke:none;font-family:inherit}.fig .acc{stroke:var(--accent)}.fig text.acc{fill:var(--accent)}.fig .acc2{stroke:var(--accent2)}.fig text.acc2{fill:var(--accent2)}.fig .soft{fill:color-mix(in srgb,var(--accent) 16%,transparent)}.fig .grid{stroke:var(--line);stroke-width:1}.fig .muted,.fig text.muted{fill:var(--muted)}.fig .nofill{fill:none}.fig .thick{stroke-width:2.5}.fig circle.dot{fill:currentColor}.fig circle.dot.acc{fill:var(--accent)}.fig circle.dot.acc2{fill:var(--accent2)}.fig .bgfill{fill:var(--card)}.fig .arrowhead{fill:currentColor;stroke:none}.tablewrap{overflow-x:auto}.ptable{border-collapse:collapse;margin:0 auto}.ptable th,.ptable td{border:1px solid var(--line);padding:6px 12px;text-align:center}.ptable th{background:var(--soft);font-weight:600}.choices{display:flex;flex-direction:column;gap:8px}.choice{display:flex;align-items:center;gap:10px;text-align:left;min-height:50px;padding:8px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--card);font-size:1.05rem}.choice:hover:not(:disabled){border-color:var(--accent)}.choice.sel{border-color:var(--accent);background:var(--soft)}.choice.right{border-color:var(--good);background:var(--good-bg)}.choice.wrong{border-color:var(--warn);background:var(--warn-bg)}.choice:disabled{cursor:default}.cnum{font-size:1.1rem;color:var(--muted)}.inrow{display:flex;align-items:center;gap:8px}.inrow.grow{flex:1}.inrow.grow input{flex:1;min-width:0}input.ans{font-size:1.3rem;min-height:52px;width:100%;max-width:280px;text-align:center;font-weight:600;border-width:2px}input.ans:disabled{opacity:.85}.unit{font-weight:600;font-size:1.05rem}.ihelp{font-size:12.5px;color:var(--muted);margin-top:6px}.fields{display:flex;flex-wrap:wrap;gap:10px 16px}.field{display:flex;flex-direction:column;gap:4px}.field input.ans{max-width:180px}.flabel{font-weight:600;font-size:14px}.fields .ihelp{flex-basis:100%;margin-top:0}.hint{background:var(--amber-bg);border-radius:10px;padding:8px 12px}.feedback{border-radius:12px;padding:12px 14px;border:1.5px solid}.feedback.ok{background:var(--good-bg);border-color:color-mix(in srgb,var(--good) 50%,transparent)}.feedback.no{background:var(--warn-bg);border-color:color-mix(in srgb,var(--warn) 45%,transparent)}.fb-head{font-weight:800;font-size:1.05rem}.feedback.ok .fb-head{color:var(--good)}.feedback.no .fb-head{color:var(--warn)}.fb-note{font-size:14px;margin-top:2px}.fb-ans{margin-top:6px;font-weight:600}.steps{margin-top:8px}.steps-h{font-weight:700;font-size:14px;color:var(--muted)}.steps ol{margin:4px 0 0;padding-left:22px}.steps li{margin:3px 0}.aihelp{margin-top:10px}.airow{display:flex;gap:8px;flex-wrap:wrap}.airow input{flex:1;min-width:140px}.aiout{background:var(--card);border-radius:10px;padding:10px 12px;margin-bottom:8px;border:1px solid var(--line)}.ai-badge{display:inline-block;font-size:11.5px;font-weight:700;color:#7c3aed;background:color-mix(in srgb,#7c3aed 14%,transparent);border-radius:6px;padding:1px 7px;margin-bottom:4px}.result-card{text-align:center}.big{font-size:3rem;font-weight:800;color:var(--accent);line-height:1.2}.big small{font-size:1.2rem;margin-left:2px}.resmsg{margin-top:6px;font-weight:600}.mchange{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:12px}.donelist{display:flex;flex-direction:column}.doneitem{display:flex;gap:10px;align-items:baseline;padding:6px 0;border-top:1px solid var(--line);font-size:14.5px}.doneitem:first-child{border-top:0}.mark{font-weight:800;flex:none;width:18px}.ok>.mark,.ok .mark{color:var(--good)}.no>.mark,.no .mark{color:var(--warn)}.dq{min-width:0;overflow:hidden}.ubars{display:flex;flex-direction:column;gap:8px}.ubar{display:grid;grid-template-columns:minmax(90px,40%) 1fr 44px;gap:10px;align-items:center;font-size:14.5px;padding:3px 0}.ubar>:last-child{text-align:right}.wronglist{display:flex;flex-direction:column;gap:10px}.wrow{display:flex;flex-direction:column;gap:8px}.wr-meta{display:flex;justify-content:space-between;gap:8px;align-items:center}.boxes{display:inline-flex;gap:3px;flex:none}.boxes i{width:10px;height:10px;border-radius:3px;background:var(--line)}.boxes i.on{background:var(--accent)}.wr-q{font-size:1.02rem}.wr-foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}.kinds{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}@media (min-width: 760px){.kinds{grid-template-columns:repeat(5,1fr)}}.kind{text-align:left;display:flex;flex-direction:column;gap:2px;padding:12px}.kind.on{border-color:var(--accent);background:var(--soft);box-shadow:0 0 0 1px var(--accent) inset}.form{display:flex;flex-direction:column;gap:12px}.frow{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.frow>span:first-child{min-width:64px;font-weight:600}.frow.col{flex-direction:column;align-items:stretch;gap:8px}.frow.wrap input{flex:1;min-width:120px}.frow select,.frow>input[type=text]{flex:1;min-width:0}.check{display:flex;gap:8px;align-items:center;cursor:pointer}.check input{width:20px;height:20px;flex:none}.check.inline{margin-left:auto;font-weight:500}.frow.check>span{font-weight:500!important}.scope{display:flex;flex-wrap:wrap;gap:6px}.scopechip{font-size:13px;background:var(--soft);border:1px solid transparent;border-radius:99px;padding:3px 10px}.scopechip.dim{opacity:.5;text-decoration:line-through}.checklist{display:flex;flex-direction:column;gap:2px;max-height:260px;overflow-y:auto;border:1px solid var(--line);border-radius:10px;padding:6px 10px}.ck{display:flex;gap:8px;align-items:center;min-height:36px}.ck input{width:18px;height:18px}.ck.dim{color:var(--muted)}.hist{display:flex;flex-direction:column}.histrow{display:flex;gap:12px;align-items:center;background:none;border:0;border-top:1px solid var(--line);padding:8px 2px;text-align:left}.histrow:first-child{border-top:0}.histrow:hover{background:var(--soft)}.hscore{width:46px;height:46px;border-radius:12px;background:var(--soft);color:var(--accent);display:grid;place-items:center;font-weight:800;font-size:1.1rem;flex:none}.ht{display:flex;flex-direction:column}.qnav{display:flex;flex-wrap:wrap;gap:6px}.qnav button{min-width:38px;height:38px;border-radius:10px;border:1.5px solid var(--line);background:var(--card);font-weight:600;font-size:14px}.qnav button.done{background:var(--soft);border-color:color-mix(in srgb,var(--accent) 40%,var(--line));color:var(--accent)}.qnav button.cur{border-color:var(--accent);box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 35%,transparent)}.timer{font-variant-numeric:tabular-nums;font-weight:700;background:var(--soft);border-radius:8px;padding:3px 10px}.timer.low{color:var(--warn);background:var(--warn-bg)}textarea.essay{width:100%;resize:vertical}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:grid;place-items:center;z-index:50;padding:16px}.modal-card{max-width:400px;width:100%}.review{display:flex;flex-direction:column}.rv{border-top:1px solid var(--line)}.rv:first-child{border-top:0}.rv-h{width:100%;display:flex;gap:10px;align-items:center;background:none;border:0;padding:10px 2px;text-align:left;min-height:46px}.rv-n{font-weight:700}.chev{margin-left:auto;color:var(--muted);font-size:12px}.rv-b{padding:0 2px 14px 28px;display:flex;flex-direction:column;gap:10px}.rv-ans{background:var(--soft);border-radius:10px;padding:8px 12px}.essayres{border-top:1px solid var(--line);padding-top:10px;margin-top:10px}.essayres .mine{white-space:pre-wrap;background:var(--soft);border-radius:8px;padding:8px}.selfgrade{margin-top:10px}.statbox{text-align:center;padding:12px 6px}.statbox b{display:block;font-size:1.5rem;color:var(--accent)}.statbox span{font-size:13px;color:var(--muted)}.days{display:flex;align-items:flex-end;gap:2px;height:140px;padding-bottom:18px;position:relative}.dcol{flex:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;position:relative}.dbar{width:100%;max-width:16px;background:color-mix(in srgb,var(--accent) 30%,transparent);border-radius:4px 4px 0 0;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;min-height:2px}.dok{background:var(--accent);width:100%}.dlab{position:absolute;bottom:-18px;font-size:10.5px;color:var(--muted);white-space:nowrap}.profrow{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:4px 0;border-top:1px solid var(--line)}.sheet{background:#fff;color:#111;border:1px solid var(--line);border-radius:8px;padding:24px}.sheet .figwrap svg{color:#111}.sheet-h{border-bottom:2px solid #111;padding-bottom:8px;margin-bottom:12px}.sheet-t{font-size:1.25rem;font-weight:800;text-align:center;margin-bottom:8px}.sheet-name{text-align:right;font-size:14px}.blank{display:inline-block;min-width:80px;border-bottom:1px solid #111;margin-right:10px}.sq{break-inside:avoid;padding:10px 0 14px;border-bottom:1px dashed #bbb;position:relative}.sq-pts{position:absolute;right:0;top:10px;font-size:12px;color:#555}.sq-choices{display:flex;flex-wrap:wrap;gap:6px 22px;margin-top:8px;padding-left:22px}.sq-blank{margin-top:10px;padding-left:22px}.sq-essay{height:180px;border:1px solid #bbb;border-radius:6px;margin-top:8px}.sa{break-inside:avoid;padding:6px 0;border-bottom:1px dotted #ccc}.sa-steps{font-size:13.5px;color:#333;padding-left:18px}.sheet .choice{background:#fff}@media print{@page{margin:14mm}html,body{background:#fff!important;color:#111!important}.noprint,.topbar,.tabbar{display:none!important}.app{padding:0}main{max-width:none;padding:0}.page{padding:0}.sheet{border:0;padding:0}.sheet.answers{break-before:page}.fig .soft{fill:#e5e7eb}.fig .acc,.fig .acc2{stroke:#111}}:root{--gold: #f59e0b;--gold-bg: #fff7e0;--xp: #7c3aed;--xp-bg: #f3edff;--flame: #f97316}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--gold: #fbbf24;--gold-bg: #2d2410;--xp: #a78bfa;--xp-bg: #241d3d;--flame: #fb923c}}:root[data-theme=dark]{--gold: #fbbf24;--gold-bg: #2d2410;--xp: #a78bfa;--xp-bg: #241d3d;--flame: #fb923c}.lvcard{display:flex;align-items:center;gap:14px}.lv-avatar{flex:none;width:64px;height:64px;border-radius:50%;background:var(--xp-bg);border:2px solid var(--xp);display:grid;place-items:center;align-content:center;line-height:1.1}.lv-ic{font-size:24px}.lv-n{font-size:11px;font-weight:800;color:var(--xp)}.lv-main{flex:1;min-width:0;display:grid;gap:5px}.lv-title{font-weight:800;font-size:1.05rem}.xpbar{height:10px;border-radius:99px;background:var(--line);overflow:hidden}.xpbar>div{height:100%;border-radius:99px;background:var(--xp);transition:width .6s ease}.statrow{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stat{display:flex;align-items:center;gap:10px;position:relative;margin:0}.stat b{display:block;font-size:1.25rem;font-variant-numeric:tabular-nums}.stat span{font-size:12px;color:var(--muted)}.st-ic{font-size:30px}.freeze{position:absolute;top:8px;right:10px;font-size:12px;color:var(--muted)}.goal-fg{stroke:var(--good)}.goalring .ring-bg,.goalring .ring-fg{stroke-width:6}.quests{display:grid;gap:8px}.quest{display:grid;grid-template-columns:24px 1fr auto;grid-template-areas:"c t n" "c b b";align-items:center;column-gap:8px;row-gap:4px}.q-check{grid-area:c;width:22px;height:22px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-size:13px;font-weight:800}.q-t{grid-area:t}.q-n{grid-area:n;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.q-bar{grid-area:b;height:6px;border-radius:99px;background:var(--line);overflow:hidden}.q-bar>span{display:block;height:100%;background:var(--accent);border-radius:99px}.quest.done .q-check{background:var(--good);border-color:var(--good);color:var(--card)}.quest.done .q-t{color:var(--muted);text-decoration:line-through}.quest.done .q-bar>span{background:var(--good)}.link.right{margin-left:auto}.badge-strip{display:flex;flex-wrap:wrap;gap:8px}.bmini{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:99px;background:var(--gold-bg);font-size:13px;font-weight:600}.badge-count{margin:4px 2px 8px}.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}.badgecard{border:1px solid var(--line);border-radius:12px;padding:12px 10px;text-align:center;display:grid;gap:3px;opacity:.6}.badgecard.got{opacity:1;border-color:var(--gold);background:var(--gold-bg)}.b-ic{font-size:32px;filter:grayscale(1)}.badgecard.got .b-ic{filter:none}.b-name{font-weight:700;font-size:14px}.b-desc,.b-date{font-size:12px;color:var(--muted)}.titles{display:flex;flex-wrap:wrap;gap:8px}.titlechip{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:99px;border:1px solid var(--line);font-size:13px;opacity:.55}.titlechip.on{opacity:1;border-color:var(--xp);background:var(--xp-bg);font-weight:600}.xp-pill{display:inline-block;white-space:nowrap;flex:none;padding:3px 10px;border-radius:99px;background:var(--xp-bg);color:var(--xp);font-weight:800;font-size:13px;animation:pop .35s ease}.xp-pill.dim{opacity:.75}.xp-pill.big{font-size:16px;padding:6px 14px}.xp-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:10px}.xp-sum{display:flex;justify-content:center;align-items:center;gap:8px;margin:8px 0}.lvup{font-weight:800;color:var(--xp)}.combo{font-weight:800;color:var(--flame);font-size:14px;animation:pop .35s ease}@keyframes pop{0%{transform:scale(.6);opacity:0}70%{transform:scale(1.12)}to{transform:scale(1);opacity:1}}.stars{display:inline-flex;gap:1px;color:var(--line);font-size:18px;letter-spacing:0}.stars.sm{font-size:13px}.stars .on{color:var(--gold)}.uh-ring{display:grid;justify-items:center;gap:4px}.starhelp{margin-top:6px}.toasts{position:fixed;top:calc(env(safe-area-inset-top,0px) + 64px);left:50%;transform:translate(-50%);z-index:60;display:grid;gap:8px;width:min(420px,calc(100vw - 32px))}.toast{display:flex;align-items:center;gap:12px;text-align:left;padding:10px 14px;border-radius:14px;background:var(--card);border:1px solid var(--line);box-shadow:0 8px 24px #0f172a2e;color:var(--text);font:inherit;cursor:pointer;animation:toastin .35s ease}.toast.big{border-color:var(--gold);background:var(--gold-bg)}.t-ic{font-size:26px;flex:none}.t-body{display:grid;gap:1px;min-width:0}.t-body span{font-size:13px;color:var(--muted)}@keyframes toastin{0%{transform:translateY(-12px);opacity:0}to{transform:none;opacity:1}}.confetti{position:fixed;top:0;right:0;bottom:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:70}@media (prefers-reduced-motion: reduce){.xp-pill,.combo,.toast{animation:none}}.ladder-help{margin:4px 2px 12px}.ladder-body{position:relative;max-width:520px;margin:0 auto;padding:0 28px 0 40px}.ladder-body:before,.ladder-body:after{content:"";position:absolute;top:0;bottom:0;width:8px;border-radius:4px;background:var(--line)}.ladder-body:before{left:20px}.ladder-body:after{right:8px}.rung{position:relative;margin:8px 0}.rung-btn{width:100%;display:grid;grid-template-columns:6.5em 1fr auto;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;border:2px solid var(--line);background:var(--card);color:var(--text);font:inherit;cursor:pointer;position:relative;z-index:1}.rung.started .rung-btn{border-color:var(--accent)}.rung.cleared .rung-btn{border-color:var(--gold);background:var(--gold-bg)}.rung.mine .rung-btn{box-shadow:0 0 0 3px var(--xp-bg);border-color:var(--xp)}.rung-t{font-weight:700;text-align:left;white-space:nowrap}.rung-bar{height:8px;border-radius:99px;background:var(--line);overflow:hidden}.rung-bar>span{display:block;height:100%;background:var(--gold)}.rung-n{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.climber{position:absolute;left:-36px;top:50%;transform:translateY(-50%);font-size:26px;z-index:2}.stage-label{text-align:center;font-size:12px;font-weight:700;color:var(--muted);margin:4px 0 14px;position:relative;z-index:1}.twin-banner{background:var(--xp-bg);border:1px solid var(--xp);border-radius:10px;padding:8px 12px;font-size:14px;margin-bottom:10px}.twin-tag{display:inline-block;font-size:11px;font-weight:700;padding:1px 7px;border-radius:99px;background:var(--xp-bg);color:var(--xp);margin-right:4px}.hints{display:grid;gap:6px;margin-top:10px}.hint-n{display:inline-block;font-size:11px;font-weight:800;color:var(--accent2);margin-bottom:2px}.speak-btn{margin-left:auto;flex:none;width:auto;border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:99px;padding:4px 10px;font:inherit;font-size:13px;cursor:pointer}.speak-btn.on{border-color:var(--accent);color:var(--accent)}.scratch-btn.on{background:var(--soft);outline:2px solid var(--accent)}.scratch-canvas{position:absolute;left:0;top:0;z-index:40;touch-action:none;cursor:crosshair}.scratch-canvas.off{pointer-events:none;opacity:.45}.scratch-bar{position:fixed;left:50%;transform:translate(-50%);bottom:calc(env(safe-area-inset-bottom,0px) + 70px);z-index:45;display:flex;align-items:center;gap:2px;padding:5px 6px;border-radius:14px;background:var(--card);border:1px solid var(--line);box-shadow:0 6px 20px #0f172a33;max-width:calc(100vw - 16px);overflow-x:auto}.scratch-bar button{flex:none;min-width:34px;height:34px;border:0;border-radius:8px;background:none;font-size:17px;cursor:pointer;display:grid;place-items:center;color:var(--text)}.scratch-bar button.on{background:var(--soft);outline:2px solid var(--accent)}.scratch-bar .sb-color{min-width:22px;width:22px;height:22px;border-radius:50%;margin:0 3px;border:2px solid var(--card);box-shadow:0 0 0 1px var(--line)}.sb-dot{display:block;border-radius:50%;background:currentColor}.sb-sep{width:1px;height:22px;background:var(--line);margin:0 3px;flex:none}@media (min-width: 760px){.scratch-bar{bottom:20px}}.lockcard{text-align:center;display:grid;gap:8px;justify-items:center}.lockcard .links{width:100%}.lock-ic{font-size:34px}.lock-note{margin-top:8px;font-size:13px;color:var(--muted)}.lockic{font-size:13px}.pitfalls ul,.fb-pit ul{margin:0;padding-left:1.2em;display:grid;gap:6px}.pitfalls{border-color:color-mix(in srgb,var(--accent2) 40%,var(--line))}.fb-pit{margin-top:10px;font-size:14px}.fb-pit summary{cursor:pointer;font-weight:700;color:var(--accent2);margin-bottom:6px}.catrow{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.catbtn{display:grid;gap:2px;justify-items:center;padding:10px 6px;border-radius:12px;border:1.5px solid var(--line);background:var(--card);color:var(--text);font:inherit;cursor:pointer}.catbtn span{font-size:12px;color:var(--muted)}.catbtn:disabled{opacity:.45;cursor:default}.catbtn.cat-calc:not(:disabled){border-color:#3b82f6}.catbtn.cat-concept:not(:disabled){border-color:#10b981}.catbtn.cat-word:not(:disabled){border-color:#f59e0b}.cattag{font-size:11px;font-weight:700;padding:1px 6px;border-radius:99px;border:1px solid var(--line);color:var(--muted);vertical-align:2px}.goodbox{border-color:var(--good);background:var(--good-bg)}.offline{background:var(--amber-bg);color:var(--text);font-size:13px;padding:8px 16px;text-align:center;border-bottom:1px solid var(--line)}.tutor .suggest{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.chipbtn{border:1px solid var(--line);background:var(--soft);color:var(--text);border-radius:99px;padding:6px 11px;font:inherit;font-size:13px;cursor:pointer}.chat{display:grid;gap:8px;margin-bottom:8px;max-height:60vh;overflow-y:auto}.bubble{padding:9px 12px;border-radius:14px;max-width:88%;min-width:0;overflow-wrap:anywhere}.bubble.user{justify-self:end;background:var(--accent);color:var(--accent-ink);border-bottom-right-radius:4px}.bubble.model{justify-self:start;background:var(--soft);border-bottom-left-radius:4px}:root[data-stage=e]{--bg: #eef4ff;--bg2: #fff1f6;--card: #ffffff;--text: #1f2a44;--muted: #66708a;--line: #dde5f5;--soft: #e7eeff;--accent: #3d7bff;--accent-ink: #ffffff;--accent2: #ff9f1c;--good: #1fae79;--good-bg: #e4f8ef;--warn: #ef4f5a;--warn-bg: #ffedef;--amber-bg: #fff3df;--depth: #2a5fd6;--hero-a: #5b8cff;--hero-b: #a77bff;--hero-ink: #ffffff;--shadow: 0 2px 0 rgba(31,42,68,.05), 0 10px 28px rgba(61,123,255,.1);--radius: 22px;--font-body: "Nanum Gothic", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;--font-display: "Jua", "Nanum Gothic", "Apple SD Gothic Neo", sans-serif;--depth-y: 4px;color-scheme:light}@media (prefers-color-scheme: dark){:root[data-stage=e]:not([data-theme=light]){--bg: #131a30;--bg2: #1d1630;--card: #1c2442;--text: #eef2ff;--muted: #a6afcc;--line: #2d3760;--soft: #253159;--accent: #77a1ff;--accent-ink: #0c1226;--accent2: #ffb547;--good: #4fd1a1;--good-bg: #132e29;--warn: #ff7f86;--warn-bg: #3a1d26;--amber-bg: #33291a;--depth: #4a72d8;--hero-a: #3552b8;--hero-b: #6a46b8;--hero-ink: #ffffff;--shadow: 0 2px 0 rgba(0,0,0,.25);color-scheme:dark}}:root[data-stage=e][data-theme=dark]{--bg: #131a30;--bg2: #1d1630;--card: #1c2442;--text: #eef2ff;--muted: #a6afcc;--line: #2d3760;--soft: #253159;--accent: #77a1ff;--accent-ink: #0c1226;--accent2: #ffb547;--good: #4fd1a1;--good-bg: #132e29;--warn: #ff7f86;--warn-bg: #3a1d26;--amber-bg: #33291a;--depth: #4a72d8;--hero-a: #3552b8;--hero-b: #6a46b8;--hero-ink: #ffffff;--shadow: 0 2px 0 rgba(0,0,0,.25);color-scheme:dark}:root[data-stage=m]{--bg: #edf9f5;--bg2: #f2f6ff;--card: #ffffff;--text: #16302b;--muted: #5a716c;--line: #d5ebe4;--soft: #ddf3ec;--accent: #0f9d8a;--accent-ink: #ffffff;--accent2: #ff7a59;--good: #1f9d55;--good-bg: #e3f6ea;--warn: #e5484d;--warn-bg: #fdecec;--amber-bg: #fff1e6;--depth: #0b7a6b;--hero-a: #13b3a0;--hero-b: #2f80ed;--hero-ink: #ffffff;--shadow: 0 1px 2px rgba(22,48,43,.05), 0 6px 18px rgba(15,157,138,.08);--radius: 16px;--font-body: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;--font-display: "Do Hyeon", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;--depth-y: 3px;color-scheme:light}@media (prefers-color-scheme: dark){:root[data-stage=m]:not([data-theme=light]){--bg: #0f1d1b;--bg2: #101a26;--card: #162a27;--text: #e6f4f1;--muted: #9bb5af;--line: #25403b;--soft: #1c3631;--accent: #34c9b4;--accent-ink: #04211d;--accent2: #ff9a7d;--good: #4ade80;--good-bg: #123224;--warn: #f87171;--warn-bg: #331a1a;--amber-bg: #33261a;--depth: #22a08f;--hero-a: #0f7f72;--hero-b: #1f5bb0;--hero-ink: #ffffff;--shadow: none;color-scheme:dark}}:root[data-stage=m][data-theme=dark]{--bg: #0f1d1b;--bg2: #101a26;--card: #162a27;--text: #e6f4f1;--muted: #9bb5af;--line: #25403b;--soft: #1c3631;--accent: #34c9b4;--accent-ink: #04211d;--accent2: #ff9a7d;--good: #4ade80;--good-bg: #123224;--warn: #f87171;--warn-bg: #331a1a;--amber-bg: #33261a;--depth: #22a08f;--hero-a: #0f7f72;--hero-b: #1f5bb0;--hero-ink: #ffffff;--shadow: none;color-scheme:dark}:root[data-stage=h]{--bg: #f4f5f8;--bg2: #f4f5f8;--card: #ffffff;--text: #161a2b;--muted: #5f6577;--line: #e1e3ea;--soft: #eceefb;--accent: #3949c7;--accent-ink: #ffffff;--accent2: #c98a00;--good: #12805c;--good-bg: #e7f5ee;--warn: #c93a3a;--warn-bg: #fcecec;--amber-bg: #faf3e2;--depth: #2a37a0;--hero-a: #1f2a6b;--hero-b: #3949c7;--hero-ink: #ffffff;--shadow: 0 1px 2px rgba(22,26,43,.06);--radius: 12px;--font-body: "IBM Plex Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;--font-display: "IBM Plex Sans KR", "Apple SD Gothic Neo", sans-serif;--depth-y: 0px;color-scheme:light}@media (prefers-color-scheme: dark){:root[data-stage=h]:not([data-theme=light]){--bg: #0e1018;--bg2: #0e1018;--card: #171a26;--text: #e7e9f2;--muted: #9aa0b4;--line: #272b3b;--soft: #1f2338;--accent: #8b97ff;--accent-ink: #0b0e1c;--accent2: #e6b33a;--good: #3ccf91;--good-bg: #11281f;--warn: #f07a7a;--warn-bg: #2e1717;--amber-bg: #2a2314;--depth: #6c78e0;--hero-a: #1a2150;--hero-b: #2c3896;--hero-ink: #ffffff;--shadow: none;color-scheme:dark}}:root[data-stage=h][data-theme=dark]{--bg: #0e1018;--bg2: #0e1018;--card: #171a26;--text: #e7e9f2;--muted: #9aa0b4;--line: #272b3b;--soft: #1f2338;--accent: #8b97ff;--accent-ink: #0b0e1c;--accent2: #e6b33a;--good: #3ccf91;--good-bg: #11281f;--warn: #f07a7a;--warn-bg: #2e1717;--amber-bg: #2a2314;--depth: #6c78e0;--hero-a: #1a2150;--hero-b: #2c3896;--hero-ink: #ffffff;--shadow: none;color-scheme:dark}:root{--bg2: var(--bg);--depth: color-mix(in srgb, var(--accent) 75%, black);--depth-y: 3px;--hero-a: var(--accent);--hero-b: var(--accent);--hero-ink: #fff;--font-body: "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;--font-display: var(--font-body)}html,body{font-family:var(--font-body);background:var(--bg)}body{background-image:radial-gradient(1200px 500px at 100% -10%,var(--bg2),transparent 60%);background-attachment:fixed}:root[data-stage=e] body{background-image:radial-gradient(1000px 420px at 110% -10%,var(--bg2),transparent 60%),radial-gradient(color-mix(in srgb,var(--accent) 10%,transparent) 1.2px,transparent 1.3px);background-size:auto,22px 22px}:root[data-stage=m] body{background-image:radial-gradient(900px 400px at 100% -10%,var(--bg2),transparent 60%),linear-gradient(color-mix(in srgb,var(--accent) 6%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--accent) 6%,transparent) 1px,transparent 1px);background-size:auto,28px 28px,28px 28px}:root[data-stage=h] body{background-image:none}.pagehead h1,.hello,.card-h,.lv-title,.big,.course-t,.next-title,.rung-t,.stat b,.tile-t,.b-name,.fb-head,.brand-t,.lv-n,.xp-pill,.combo,.hb-chip,.q-n,.timer{font-family:var(--font-display)}:root[data-stage=e] .card-h,:root[data-stage=m] .card-h{font-weight:400;font-size:1.08rem}:root[data-stage=e] .pagehead h1,:root[data-stage=m] .pagehead h1,:root[data-stage=e] .hello,:root[data-stage=m] .hello{font-weight:400}:root[data-stage=h] .card-h{font-weight:600;letter-spacing:-.01em}.topbar{border-bottom-color:transparent;box-shadow:0 1px 0 var(--line)}.logo{background:linear-gradient(135deg,var(--hero-a),var(--hero-b));border-radius:calc(var(--radius) * .45);width:32px;height:32px;box-shadow:0 2px 0 var(--depth)}.brand-t{font-size:1.12rem}:root[data-stage=e] .brand-t,:root[data-stage=m] .brand-t{font-weight:400}.iconbtn{color:var(--muted)}.iconbtn.on{color:var(--accent);background:var(--soft)}.topnav button{border-radius:99px}.tabbar{border-top:0;box-shadow:0 -1px 0 var(--line),0 -6px 20px #0f172a0d;padding-top:4px}.tabbar button{gap:2px}.tb-ic{filter:none;width:52px;height:30px;display:grid;place-items:center;border-radius:99px;transition:background .2s}.tabbar button.on .tb-ic{background:var(--soft)}.card{border-radius:var(--radius);border-color:color-mix(in srgb,var(--line) 80%,transparent)}:root[data-stage=e] .card{border:0;padding:18px}:root[data-stage=h] .card{box-shadow:none}.btn{border-radius:calc(var(--radius) * .6);transition:transform .08s,box-shadow .08s,filter .15s}.btn.primary{background:var(--accent);box-shadow:0 var(--depth-y) 0 var(--depth);border-color:transparent}.btn.primary:active:not(:disabled){transform:translateY(var(--depth-y));box-shadow:0 0 0 var(--depth)}:root[data-stage=e] .btn{font-family:var(--font-display);font-weight:400;font-size:1.05rem;min-height:46px}:root[data-stage=e] .btn:not(.primary):not(.ghost){box-shadow:0 3px 0 var(--line);border-width:2px}:root[data-stage=e] .btn.small{font-size:.95rem;min-height:38px}.seg,.seg button{border-radius:99px}.bar,.xpbar,.q-bar{background:color-mix(in srgb,var(--line) 85%,transparent)}.bar>div{background:linear-gradient(90deg,var(--hero-a),var(--hero-b))}.progress>div{background:linear-gradient(90deg,var(--hero-a),var(--hero-b))!important}.hero-banner{position:relative;overflow:hidden;display:flex;align-items:center;gap:12px;padding:20px 18px;border-radius:calc(var(--radius) + 2px);background:linear-gradient(135deg,var(--hero-a),var(--hero-b));color:var(--hero-ink);min-height:132px}.hb-text{flex:1;min-width:0;display:grid;gap:6px;position:relative;z-index:1}.hero-banner .hello{font-size:1.6rem;line-height:1.2}.hb-msg{font-size:14.5px;opacity:.95}.hb-chip{justify-self:start;border:0;border-radius:99px;padding:5px 12px;background:#ffffff38;color:inherit;font-size:13.5px}.hb-mascot{flex:none;position:relative;z-index:1;filter:drop-shadow(0 6px 10px rgba(0,0,0,.15))}.hb-deco{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none}.hb-deco text{fill:#ffffff29;font-size:34px;font-weight:700;font-family:var(--font-display)}:root[data-stage=h] .hero-banner{min-height:0;padding:18px 20px}:root[data-stage=h] .hb-mascot,:root[data-stage=h] .res-mascot,:root[data-stage=h] .empty .mascot{display:none}:root[data-stage=h] .hb-deco text{font-family:Times New Roman,serif;font-style:italic;fill:#ffffff1a}.mascot .m-body{fill:var(--accent)}.mascot .m-gloss{fill:#ffffff47}.mascot .m-eye{fill:#1b1f33}.mascot .m-shine{fill:#fff}.mascot .m-cheek{fill:#ff8fab;opacity:.75}.mascot .m-line{stroke:#1b1f33;stroke-width:3;stroke-linecap:round;fill:none}.mascot .m-mouth{fill:#1b1f33}.mascot .m-ladder path,.mascot .m-arm path{stroke:var(--accent2);stroke-width:4.5;stroke-linecap:round;fill:none}.mascot .m-arm path{stroke:var(--accent);stroke-width:7}.mascot .m-q{fill:var(--accent2);font-size:18px;font-weight:800}.hero-banner .mascot .m-body{fill:#fff}.hero-banner .mascot .m-arm path{stroke:#fff}.hero-banner .mascot .m-ladder path{stroke:#ffd166}.hero-banner .mascot .m-gloss{fill:color-mix(in srgb,var(--hero-a) 18%,transparent)}.mascot.bounce{animation:bounce 1.6s ease-in-out infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@media (prefers-reduced-motion: reduce){.mascot.bounce{animation:none}}.res-mascot{display:block;margin:0 auto 4px}.empty{display:grid;justify-items:center;gap:8px;text-align:center;padding:8px 0}.lv-avatar{background:linear-gradient(135deg,var(--xp-bg),var(--card))}.stat{border-radius:var(--radius)}.tile{text-align:left;display:grid;gap:4px}.tile-ic{width:42px;height:42px;border-radius:calc(var(--radius) * .55);display:grid;place-items:center;margin-bottom:4px;color:#fff;font-size:0}.grid2>.tile:nth-child(1) .tile-ic{background:#f2789f}.grid2>.tile:nth-child(2) .tile-ic{background:#7b7bf5}.grid2>.tile:nth-child(3) .tile-ic{background:#22b8a1}.grid2>.tile:nth-child(4) .tile-ic{background:#f5a524}:root[data-stage=h] .tile-ic{background:var(--soft)!important;color:var(--accent)}.course-t{font-size:1.15rem}:root[data-stage=e] .course-t,:root[data-stage=m] .course-t{font-weight:400}.urow{border-radius:calc(var(--radius) * .6)}.uno{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--soft);color:var(--accent);font-family:var(--font-display);font-size:14px}.chip{border-radius:99px}.pcard{border-radius:calc(var(--radius) + 2px)}:root[data-stage=e] .pq{font-size:1.12rem}.choice{border-radius:calc(var(--radius) * .6);transition:transform .08s,border-color .15s,background .15s}:root[data-stage=e] .choice,:root[data-stage=m] .choice{border-width:2px;box-shadow:0 3px 0 var(--line)}:root[data-stage=e] .choice:active:not(:disabled),:root[data-stage=m] .choice:active:not(:disabled){transform:translateY(2px);box-shadow:0 1px 0 var(--line)}.choice.sel{box-shadow:0 3px color-mix(in srgb,var(--accent) 50%,var(--line))}.cnum{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--soft);color:var(--accent);font-size:15px!important;font-weight:800;font-family:var(--font-display);flex:none}.choice.sel .cnum{background:var(--accent);color:var(--accent-ink)}.choice.right .cnum{background:var(--good);color:#fff}.choice.wrong .cnum{background:var(--warn);color:#fff}.choice.wrong{animation:shake .35s}input.ans{border-radius:calc(var(--radius) * .6);border-width:2px}:root[data-stage=e] input.ans{font-family:var(--font-display);font-size:1.35rem}.feedback{border-radius:calc(var(--radius) * .8)}.feedback.ok{animation:pop .35s ease}.feedback.no{animation:shake .35s}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}@media (prefers-reduced-motion: reduce){.choice.wrong,.feedback.ok,.feedback.no{animation:none}}.lv[data-lv]{border-radius:99px}.hint,.twin-banner{border-radius:calc(var(--radius) * .6)}.result-card .big{background:linear-gradient(135deg,var(--hero-a),var(--hero-b));-webkit-background-clip:text;background-clip:text;color:transparent}:root[data-stage=e] .result-card .big,:root[data-stage=m] .result-card .big{font-weight:400}.rung-btn{border-radius:calc(var(--radius) * .6)}.ladder-body:before,.ladder-body:after{background:linear-gradient(180deg,var(--hero-b),var(--hero-a));opacity:.35}.toast,.badgecard{border-radius:calc(var(--radius) * .7)}.climber{left:-44px!important;display:grid;place-items:center}.climber-h{display:none;font-size:12px;font-weight:700;background:var(--accent);color:var(--accent-ink);border-radius:99px;padding:2px 7px}:root[data-stage=h] .climber-m{display:none}:root[data-stage=h] .climber-h{display:block}:root[data-stage=h] .climber{left:-38px!important}.mascot .m-fill{fill:var(--accent)}.mascot.custom .m-fill{fill:currentColor}.hero-banner .mascot:not(.custom) .m-fill{fill:#fff}.hb-mascot-btn{position:relative;z-index:1;border:0;background:none;padding:0;display:grid;justify-items:center;color:inherit;flex:none}.hb-dress{margin-top:-6px;font-size:11.5px;font-weight:700;padding:2px 9px;border-radius:99px;background:#ffffff40}:root[data-stage=h] .hb-mascot-btn{display:none}.closet-stage{display:grid;justify-items:center;gap:10px;text-align:center}.closet-preview{position:relative;width:100%;display:grid;place-items:center;padding:10px 0 4px;border-radius:calc(var(--radius) * .8);background:radial-gradient(circle at 50% 60%,var(--soft),transparent 70%)}.peek-tag{position:absolute;top:8px;right:10px;font-size:12px;font-weight:700;padding:2px 9px;border-radius:99px;background:var(--amber-bg);color:var(--accent2)}.closet-tabs{overflow-x:auto}.items{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px}.itemcard{display:grid;justify-items:center;gap:2px;padding:10px 6px 8px;border-radius:calc(var(--radius) * .7);border:2px solid var(--line);background:var(--card);color:var(--text);cursor:pointer}.itemcard.on{border-color:var(--accent);background:var(--soft)}.itemcard.locked .mascot{filter:grayscale(.85);opacity:.55}.it-name{font-weight:700;font-size:13.5px}.it-sub{font-size:11.5px;color:var(--muted)}.itemcard.on .it-sub{color:var(--accent);font-weight:700}.closet-note{margin-top:10px}.mascot .m-fx{animation:twinkle 2.4s ease-in-out infinite}@keyframes twinkle{0%,to{opacity:1}50%{opacity:.45}}@media (prefers-reduced-motion: reduce){.mascot .m-fx{animation:none}}.daily-card{display:grid;gap:12px;border:2px solid color-mix(in srgb,var(--accent) 35%,var(--line))!important}.daily-card.done{border-color:color-mix(in srgb,var(--good) 50%,var(--line))!important;background:linear-gradient(135deg,var(--good-bg),var(--card))}.dc-top{display:flex;align-items:center;gap:14px}.dc-ring{position:relative;flex:none;width:64px;height:64px}.dc-ring .ring-bg,.dc-ring .ring-fg{stroke-width:7}.dc-fg{stroke:var(--accent)}.daily-card.done .dc-fg{stroke:var(--good)}.dc-num{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;font-family:var(--font-display);font-weight:700;font-size:15px}.daily-card.done .dc-num{color:var(--good);font-size:24px}.dc-title{font-family:var(--font-display);font-size:1.25rem;font-weight:700}:root[data-stage=e] .dc-title,:root[data-stage=m] .dc-title{font-weight:400}.dc-btn{width:100%;min-height:48px;font-size:1.05rem}.week{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.wk{display:grid;justify-items:center;gap:2px;padding:6px 0;border-radius:12px;background:var(--soft);font-size:12px}.wk-d{color:var(--muted)}.wk-m{font-weight:800;font-family:var(--font-display);font-size:15px;min-height:20px}.wk.done{background:var(--good);color:#fff}.wk.done .wk-d{color:#ffffffd9}.wk.today:not(.done){outline:2px solid var(--accent);background:var(--card)}.wk.future{opacity:.45}.daily-stamp{display:flex;align-items:center;gap:16px;border:2px solid var(--good)!important;background:var(--good-bg)!important}.stamp{flex:none;width:76px;height:76px;border-radius:50%;border:4px double #e8364f;color:#e8364f;display:grid;place-content:center;text-align:center;font-family:var(--font-display);font-size:15px;line-height:1.15;transform:rotate(-12deg);animation:stampin .5s cubic-bezier(.2,1.6,.4,1)}.stamp span:first-child{font-size:22px}@keyframes stampin{0%{transform:rotate(-30deg) scale(2.2);opacity:0}to{transform:rotate(-12deg) scale(1);opacity:1}}@media (prefers-reduced-motion: reduce){.stamp{animation:none}}.dcal .card-h .right{margin-left:auto}.iconbtn.small{width:32px;height:32px;font-size:20px}.dcal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.dcal-wd{text-align:center;font-size:12px;color:var(--muted);padding:2px 0 4px}.dcal-wd.sun{color:var(--warn)}.dcal-wd.sat{color:var(--accent)}.dcal-cell{aspect-ratio:1;max-width:100%;border-radius:10px;display:grid;justify-items:center;align-content:start;padding-top:4px;gap:1px;background:color-mix(in srgb,var(--soft) 60%,transparent);font-size:12px;min-width:0}.dcal-cell.today{outline:2px solid var(--accent)}.dcal-n{color:var(--muted);font-size:11.5px}.dcal-cell.done{background:var(--good-bg)}.dcal-stamp{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;border:2px solid #e8364f;color:#e8364f;font-size:9px;font-weight:800;transform:rotate(-12deg);font-family:var(--font-display)}.dcal-stamp.mini{width:20px;height:20px;font-size:7px;vertical-align:middle}.dcal-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-top:6px;vertical-align:middle}.dcal-ice{font-size:15px}.dcal-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;align-items:center}.dcal-legend .dcal-dot{margin-top:0}.parent-entry{display:flex;align-items:center;gap:12px;justify-content:space-between}.parent-entry{flex-wrap:wrap}.parent-entry .muted{flex-basis:100%;order:3}.goal-num{width:76px;padding:8px 10px;border-radius:10px;border:1.5px solid var(--line);background:var(--card);color:var(--text);font:inherit}.pin-card{text-align:center;display:grid;gap:12px;justify-items:center;padding:22px 16px}.pin-lock{font-size:40px;line-height:1}.pin{display:grid;gap:18px;justify-items:center}.pin-dots{display:flex;gap:14px}.pin-dots span{width:16px;height:16px;border-radius:50%;border:2px solid var(--accent);transition:background .12s,transform .12s}.pin-dots span.on{background:var(--accent);transform:scale(1.1)}.pin-keys{display:grid;grid-template-columns:repeat(3,68px);gap:12px}.pin-key{height:58px;border-radius:18px;border:1.5px solid var(--line);background:var(--card);color:var(--text);font-family:var(--font-display);font-size:24px;font-weight:700;cursor:pointer;box-shadow:0 var(--depth-y, 3px) 0 var(--line)}.pin-key:active{transform:translateY(2px);box-shadow:none}.pin-forgot{display:grid;gap:10px;width:100%;max-width:320px;text-align:left}.pin-forgot input{padding:10px 12px;border-radius:10px;border:1.5px solid var(--line);background:var(--card);color:var(--text);font:inherit}.parent .tabs,.prof-switch{margin-bottom:12px}.rep-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:10px 0 14px}.rep-stats>div{background:var(--soft);border-radius:12px;padding:10px 6px;display:grid;justify-items:center;gap:2px}.rep-stats b{font-family:var(--font-display);font-size:20px;color:var(--accent)}.rep-stats span{font-size:12px;color:var(--muted)}.rep-week{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;align-items:end;margin-bottom:8px}.rw-col{display:grid;justify-items:center;gap:3px}.rw-bar{height:90px;width:100%;max-width:30px;display:flex;align-items:flex-end;background:var(--bg2);border-radius:8px;overflow:hidden}.rw-bar>div{width:100%;background:color-mix(in srgb,var(--accent) 35%,transparent);display:flex;align-items:flex-end;border-radius:8px 8px 0 0}.rw-ok{width:100%;background:var(--accent);border-radius:8px 8px 0 0}.rw-n{font-size:11px;color:var(--muted);min-height:14px}.rw-d{font-size:12px;font-weight:700;width:24px;height:24px;display:grid;place-items:center;border-radius:50%}.rw-d.done{background:var(--good);color:#fff}.tipbox ul{margin:6px 0 0;padding-left:20px;display:grid;gap:6px}.tipbox{border-left:4px solid var(--accent)}.weaklist{display:grid;gap:12px}.weakrow{display:grid;grid-template-columns:44px 1fr;gap:6px 12px;align-items:start}.weakrow .btn{grid-column:2;justify-self:start}.wk-info{flex:1;min-width:0}.wk-tip{font-size:13px;margin-top:4px;background:var(--amber-bg, #fff6e0);padding:6px 8px;border-radius:8px}.wsample{border-top:1px solid var(--line);padding:10px 0}.wsample:first-of-type{border-top:0}.ws-h{display:flex;flex-wrap:wrap;gap:4px 10px;align-items:baseline}.ws-h .link{margin-left:auto}.ws-body{margin-top:8px;background:var(--soft);border-radius:10px;padding:10px 12px;display:grid;gap:6px}.ws-body ol{margin:0;padding-left:20px}.examlist{display:grid;gap:6px}.examrow{display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--text);font:inherit;text-align:left;cursor:pointer}.examrow .grow{flex:1}.buddy{display:flex;align-items:center;gap:10px;margin:2px 4px 10px}.buddy .mascot{flex:none}.buddy-bubble{position:relative;background:var(--card);border:1.5px solid var(--line);border-radius:16px;padding:8px 12px;font-size:14px;font-weight:600;animation:bubble-in .25s ease-out}.buddy-bubble:before{content:"";position:absolute;left:-7px;top:50%;width:12px;height:12px;background:var(--card);border-left:1.5px solid var(--line);border-bottom:1.5px solid var(--line);transform:translateY(-50%) rotate(45deg)}.buddy.ok .buddy-bubble{border-color:var(--good);color:var(--good)}.buddy.no .buddy-bubble{border-color:var(--accent)}@keyframes bubble-in{0%{opacity:0;transform:translateY(4px) scale(.96)}}@media (prefers-reduced-motion: reduce){.buddy-bubble{animation:none}}.mood-h{margin-top:4px}