@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap";@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}:root{--primary-navy: #0f172a;--primary-navy-light: #1e293b;--primary-accent: #10b981;--primary-accent-glow: rgba(16, 185, 129, .4);--bg-light: #f8fafc;--bg-card: #ffffff;--text-primary: #0f172a;--text-secondary: #64748b;--text-muted: #94a3b8;--border-light: #e2e8f0;--border-hover: #cbd5e1;--font-heading: "Outfit", sans-serif;--font-body: "Plus Jakarta Sans", sans-serif;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05), 0 1px 2px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -1px rgba(0, 0, 0, .03);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .05), 0 4px 6px -2px rgba(0, 0, 0, .025);--shadow-glow: 0 0 20px var(--primary-accent-glow);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-smooth: .3s cubic-bezier(.4, 0, .2, 1)}.teacher-dashboard{min-height:100vh;background-color:var(--bg-light);background-image:radial-gradient(at 0% 0%,rgba(16,185,129,.03) 0px,transparent 50%),radial-gradient(at 100% 0%,rgba(15,23,42,.03) 0px,transparent 50%);font-family:var(--font-body);color:var(--text-primary);padding-bottom:80px}.dashboard-header{background:#fffc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-light);padding:24px 0;margin-bottom:40px;position:sticky;top:0;z-index:100}.header-content{max-width:1400px;margin:0 auto;padding:0 32px;display:flex;justify-content:space-between;align-items:center}.header-left h1{font-family:var(--font-heading);font-size:2rem;font-weight:700;color:var(--primary-navy);letter-spacing:-.02em;margin:0;background:linear-gradient(135deg,var(--primary-navy) 0%,#334155 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.header-left p{font-family:var(--font-body);margin:4px 0 0;color:var(--text-secondary);font-size:.95rem}.back-link{font-family:var(--font-heading);font-weight:500;color:var(--text-secondary);text-decoration:none;padding:8px 16px;border-radius:var(--radius-full);border:1px solid var(--border-light);transition:var(--transition-fast);background:#fff}.back-link:hover{color:var(--primary-navy);border-color:var(--primary-navy);transform:translateY(-1px)}.dashboard-main{max-width:1400px;margin:0 auto;padding:0 32px}.nav-tabs{display:flex;gap:8px;max-width:1400px;margin:0 auto 32px;padding:0 32px;border-bottom:1px solid var(--border-light)}.nav-tab{font-family:var(--font-heading);font-size:.95rem;font-weight:500;color:var(--text-secondary);background:none;border:none;padding:16px 20px;cursor:pointer;position:relative;transition:var(--transition-smooth);border-bottom:2px solid transparent;margin-bottom:-1px}.nav-tab:after{content:"";position:absolute;bottom:-1px;left:0;width:100%;height:2px;background:var(--primary-accent);transform:scaleX(0);transition:transform var(--transition-smooth);transform-origin:left}.nav-tab:hover{color:var(--primary-navy);background:#f8fafc}.nav-tab.active{color:var(--primary-navy);font-weight:600}.nav-tab.active:after{transform:scaleX(1)}.stats-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-bottom:24px}.stat-card{background:#fff;padding:12px 14px;border-radius:var(--radius-lg);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);text-align:center;transition:all var(--transition-smooth)}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.stat-card .stat-value{display:block;font-family:var(--font-heading);font-size:1.25rem;font-weight:700;color:var(--primary-navy);line-height:1.2}.stat-card .stat-label{display:block;font-size:.75rem;color:var(--text-secondary);margin-top:2px;font-weight:500}.stat-card.math-section{border-left:3px solid #c2410c}.stat-card.rw-section{border-left:3px solid #1d4ed8}.stat-card.easy{border-left:3px solid #22c55e}.stat-card.medium{border-left:3px solid #eab308}.stat-card.hard{border-left:3px solid #ef4444}.filters-bar{background:#fff;padding:20px;border-radius:var(--radius-lg);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);display:flex;gap:16px;margin-bottom:24px;align-items:center}.filter-group select{padding:10px 16px;border-radius:var(--radius-md);border:1px solid var(--border-light);background-color:#f8fafc;font-family:var(--font-body);font-size:.9rem;color:var(--text-primary);cursor:pointer;transition:var(--transition-fast);width:100%;min-width:160px}.filter-group select:focus{outline:none;border-color:var(--primary-accent);box-shadow:0 0 0 3px #10b9811a;background-color:#fff}.total-badge{margin-left:auto;font-family:var(--font-heading);font-weight:600;color:var(--text-secondary);background:#f1f5f9;padding:6px 16px;border-radius:var(--radius-full);font-size:.85rem}.questions-list{display:grid;gap:16px}.list-header{display:flex;justify-content:flex-end;margin-bottom:16px}.question-card{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);padding:24px;display:grid;grid-template-columns:160px 1fr;gap:24px;transition:all var(--transition-smooth)}.question-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--primary-accent)}.q-meta{display:flex;flex-direction:column;gap:8px}.q-id{font-family:monospace;font-size:.8rem;font-weight:700;color:var(--primary-navy);background:#f1f5f9;padding:4px 8px;border-radius:var(--radius-sm);width:fit-content}.q-content{display:flex;flex-direction:column;gap:16px}.q-content>p{font-size:1rem;line-height:1.7;color:var(--text-primary);margin:0}.q-footer{display:flex;align-items:center;gap:16px;padding-top:16px;border-top:1px solid var(--border-light);margin-top:8px}.correct-badge{font-size:.85rem;color:var(--text-secondary)}.correct-badge strong{color:var(--primary-accent);font-weight:700;font-size:1rem}.source-tag{font-size:.75rem;color:var(--text-muted);background:#f8fafc;padding:4px 8px;border-radius:var(--radius-sm)}.filter-group.search input{width:100%;padding:10px 16px;border-radius:var(--radius-md);border:1px solid var(--border-light);background-color:#f8fafc;font-family:var(--font-body);font-size:.9rem;color:var(--text-primary);transition:var(--transition-fast)}.filter-group.search input:focus{outline:none;border-color:var(--primary-accent);box-shadow:0 0 0 3px #10b9811a;background-color:#fff}.filter-group label{display:block;font-size:.75rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;margin-bottom:6px}.badge{display:inline-flex;align-items:center;justify-content:center;padding:6px 12px;border-radius:var(--radius-sm);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.badge.math{background:#fff7ed;color:#c2410c;border:1px solid #ffedd5}.badge.reading{background:#eff6ff;color:#1d4ed8;border:1px solid #dbeafe}.badge.easy{background:#f0fdf4;color:#15803d;border:1px solid #dcfce7}.badge.medium{background:#fefce8;color:#a16207;border:1px solid #fef9c3}.badge.hard{background:#fef2f2;color:#b91c1c;border:1px solid #fee2e2}.domain-tag{font-size:.8rem;color:var(--text-secondary);font-weight:500;line-height:1.4;display:inline-flex;align-items:center;gap:6px}.domain-tag:before{content:"";display:inline-block;width:5px;height:5px;background-color:currentColor;border-radius:50%;opacity:.7}.q-content p{font-size:1.05rem;line-height:1.6;margin-bottom:20px;color:var(--text-primary)}.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.option-item{padding:12px 16px;background:#f8fafc;border-radius:var(--radius-md);border:1px solid transparent;font-size:.95rem;color:var(--text-secondary);transition:var(--transition-fast)}.option-item.correct{background:#ecfdf5;border-color:#d1fae5;color:#047857;font-weight:500}.opt-letter{font-weight:700;margin-right:8px;opacity:.7}.builder-layout{display:grid;grid-template-columns:1fr 1fr;gap:32px}.builder-panel{font-family:var(--font-body)}.random-settings,.manual-settings,.builder-summary{background:#fff;padding:32px;border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);border:1px solid var(--border-light);height:100%}h3,h4,h5{font-family:var(--font-heading);color:var(--primary-navy);margin-bottom:20px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.setting-card{background:#f8fafc;padding:16px;border-radius:var(--radius-md);text-align:center;display:flex;flex-direction:column;align-items:center;gap:8px}.setting-card input{font-family:var(--font-heading);font-size:1.5rem;color:var(--primary-navy);font-weight:700;border:1px solid var(--border-light);border-radius:var(--radius-sm);padding:4px}.mode-toggle{display:flex;gap:8px;margin-bottom:24px;padding:8px;background:#f1f5f9;border-radius:var(--radius-full)}.mode-btn{flex:1;padding:12px;border-radius:var(--radius-full);border:none;font-family:var(--font-heading);font-weight:600;background:transparent;color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth)}.mode-btn.active{background:#fff;color:var(--primary-navy);box-shadow:var(--shadow-sm)}.btn{font-family:var(--font-heading);font-weight:600;cursor:pointer;transition:var(--transition-smooth);display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none}.btn-primary{background:var(--primary-accent);color:#fff;padding:12px 24px;border-radius:var(--radius-md);box-shadow:0 4px 6px -1px var(--primary-accent-glow)}.btn-primary:hover{background:#059669;transform:translateY(-2px);box-shadow:0 10px 15px -3px var(--primary-accent-glow)}.generate-btn{width:100%;margin-top:24px;padding:16px;font-size:1.1rem}.btn-outline{background:transparent;border:1px solid var(--border-light);color:var(--primary-navy);padding:8px 16px;border-radius:var(--radius-md)}.btn-outline:hover{background:var(--bg-light);border-color:var(--text-secondary)}.exams-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}.exam-card{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);overflow:hidden;transition:var(--transition-smooth)}.exam-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-accent)}.exam-header{padding:20px;border-bottom:1px solid var(--border-light);background:linear-gradient(135deg,var(--primary-navy) 0%,var(--primary-navy-light) 100%)}.exam-header h3{font-size:1.1rem;margin:0;color:#fff}.exam-date{font-size:.8rem;color:#ffffffb3}.exam-stats{padding:20px;display:grid;grid-template-columns:1fr 1fr;gap:16px}.stat{display:flex;flex-direction:column;gap:4px}.stat-label{font-size:.75rem;text-transform:uppercase;color:var(--text-secondary);font-weight:600}.stat-value{font-family:var(--font-heading);font-size:1.25rem;font-weight:700;color:var(--primary-navy)}.exam-actions{padding:16px 20px;background:#fff;border-top:1px solid var(--border-light);display:flex;justify-content:flex-end;gap:8px}.btn-sm{font-size:.85rem;padding:6px 12px}.module-selector{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}.module-section{display:flex;align-items:center;gap:8px;background:#f8fafc;padding:6px 10px;border-radius:var(--radius-full);border:1px solid var(--border-light)}.section-label{font-size:.75rem;font-weight:700;color:var(--text-secondary);text-transform:uppercase}.module-btn{padding:8px 16px;border-radius:var(--radius-full);font-size:.85rem;font-weight:500;border:1px solid transparent;transition:var(--transition-fast)}.module-btn:hover{background:#fff;border-color:var(--border-light)}.module-btn.active{background:var(--primary-navy);color:#fff;box-shadow:var(--shadow-sm)}.available-questions,.selected-questions{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border-light);height:600px;display:flex;flex-direction:column}.available-questions h4,.selected-questions h4{padding:16px 20px;border-bottom:1px solid var(--border-light);margin:0;font-size:.95rem;background:#f8fafc;border-radius:var(--radius-lg) var(--radius-lg) 0 0}.questions-scroll{flex:1;overflow-y:auto;padding:10px}.mini-question{padding:12px;border-radius:var(--radius-md);margin-bottom:4px;border:1px solid transparent;transition:var(--transition-fast)}.mini-question:hover{background:#f8fafc;border-color:var(--border-light)}.mini-question.selected{background:#ecfdf5;border-color:#d1fae5}.select-indicator{color:var(--primary-accent)}.success-message{margin-top:16px;padding:16px;background:#ecfdf5;border:1px solid #10b981;border-radius:var(--radius-md);color:#047857;font-weight:600;display:flex;align-items:center;justify-content:center;gap:8px}.preview-modal-overlay{background:#0f172a66;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);position:fixed;inset:0;display:flex;align-items:center;justify-content:center;z-index:1000}.preview-modal{background:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);width:90%;max-width:800px;max-height:90vh;display:flex;flex-direction:column;overflow:hidden}.preview-modal-header{padding:20px 24px;background:#fff;border-bottom:1px solid var(--border-light);display:flex;justify-content:space-between;align-items:center}.preview-modal-body{padding:32px;overflow-y:auto}.preview-meta{display:flex;gap:8px;margin-bottom:24px}.section-badge,.domain-badge,.skill-badge,.difficulty-badge{padding:6px 12px;background:#f1f5f9;border-radius:var(--radius-sm);font-size:.8rem;color:var(--text-secondary);font-weight:500}.mini-filters{margin-bottom:12px}.mini-filters select{width:100%;padding:10px 12px;border:1px solid var(--border-light);border-radius:var(--radius-md);font-size:.9rem;background:#f8fafc}.mini-filters select:focus{outline:none;border-color:var(--primary-accent)}.diff-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.diff-dot.easy{background:#22c55e}.diff-dot.medium{background:#eab308}.diff-dot.hard{background:#ef4444}.q-id{font-family:monospace;font-size:.75rem;color:var(--text-muted);flex-shrink:0}.q-preview{flex:1;font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-secondary)}.preview-btn{cursor:pointer;opacity:.5;transition:opacity var(--transition-fast);flex-shrink:0;color:var(--text-muted)}.preview-btn:hover{opacity:1;color:var(--primary-accent)}.module-group{margin-bottom:16px;padding-bottom:12px;border-bottom:1px dashed var(--border-light)}.module-group:last-child{border-bottom:none;margin-bottom:0}.module-label{display:block;font-size:.85rem;font-weight:600;color:var(--primary-navy);margin-bottom:8px;padding:4px 8px;background:#10b9811a;border-radius:var(--radius-sm)}.module-count{display:block;font-size:.7rem;opacity:.7;margin-top:2px}.selection-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.mini-question{display:flex;align-items:center;gap:10px;cursor:pointer}.preview-question-text{margin-bottom:24px}.preview-question-text h4,.preview-options h4,.preview-answer h4,.preview-explanation h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:12px}.preview-question-text p{font-size:1.1rem;line-height:1.7;color:var(--text-primary)}.preview-options{margin-bottom:24px}.preview-option{padding:14px 18px;background:#f8fafc;border-radius:var(--radius-md);margin-bottom:10px;border:1px solid transparent;transition:var(--transition-fast)}.preview-option.correct{background:#ecfdf5;border-color:#10b981;color:#047857}.preview-answer{margin-bottom:24px}.correct-answer-badge{display:inline-block;background:var(--primary-accent);color:#fff;padding:10px 20px;border-radius:var(--radius-md);font-size:1.25rem;font-weight:700}.preview-explanation p{font-size:.95rem;line-height:1.7;color:var(--text-secondary);background:#f8fafc;padding:20px;border-radius:var(--radius-md);border-left:3px solid var(--primary-accent)}.preview-modal-footer{display:flex;gap:12px;padding:20px 24px;border-top:1px solid var(--border-light);background:#f8fafc}.preview-modal-footer .btn{flex:1}.close-btn{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-muted);width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);transition:var(--transition-fast)}.close-btn:hover{background:var(--bg-light);color:var(--text-primary)}.empty-state{text-align:center;padding:80px 40px;background:#fff;border-radius:var(--radius-xl);border:1px solid var(--border-light)}.empty-icon{font-size:4rem;display:block;margin-bottom:20px}.empty-state h3{font-size:1.5rem;margin-bottom:12px}.empty-state p{color:var(--text-secondary);margin-bottom:24px;max-width:400px;margin-left:auto;margin-right:auto}.empty-msg{text-align:center;color:var(--text-muted);padding:40px 20px;font-size:.9rem}.skill-filters{margin-top:24px}.skill-groups-container{display:grid;grid-template-columns:1fr 1fr;gap:16px}.skill-group{background:#f8fafc;padding:16px;border-radius:var(--radius-md)}.skill-group h5{font-size:.9rem;margin-bottom:12px;color:var(--primary-navy)}.skill-checkboxes{display:flex;flex-direction:column;gap:8px}.skill-checkbox{display:flex;align-items:center;gap:8px;font-size:.9rem;cursor:pointer}.skill-checkbox input{width:18px;height:18px;accent-color:var(--primary-accent)}.skill-count{color:var(--text-muted);font-size:.8rem}.settings-section{background:#f8fafc;padding:20px;border-radius:var(--radius-lg);margin-bottom:20px}.settings-section h4{margin-bottom:16px}.section-info{font-size:.85rem;color:var(--text-secondary);margin-bottom:16px}.summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px}.summary-section{background:#f8fafc;padding:16px;border-radius:var(--radius-md)}.summary-section h5{font-size:.9rem;margin-bottom:12px}.summary-item{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border-light)}.summary-item:last-child{border-bottom:none}.summary-item .label{font-size:.85rem;color:var(--text-secondary)}.summary-item .value{font-weight:600;color:var(--primary-navy)}.summary-item.time .value{color:var(--primary-accent)}.total-summary{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,#f8fafc,#f1f5f9);color:var(--text-primary);padding:20px 24px;border-radius:var(--radius-lg);margin-top:24px;font-size:.95rem;border:1px solid var(--border-light);box-shadow:none}.total-summary span{display:flex;align-items:center;gap:8px}.total-summary strong{font-weight:700;color:var(--primary-navy);font-size:1.1rem}.delete-btn{color:#ef4444!important}.delete-btn:hover{background:#fef2f2!important}.remove-btn{color:#ef4444;cursor:pointer}.more-indicator{text-align:center;color:var(--text-muted);font-size:.9rem;padding:16px;font-style:italic}@media(max-width:1200px){.selection-grid,.builder-layout{grid-template-columns:1fr}}@media(max-width:768px){.header-content{flex-direction:column;gap:16px;align-items:flex-start}.nav-tabs{flex-wrap:wrap;gap:8px}.filters-bar{flex-direction:column}.question-card{grid-template-columns:1fr;gap:16px}.options-grid{grid-template-columns:1fr}.module-selector{flex-direction:column}.summary-grid,.skill-groups-container,.exams-list{grid-template-columns:1fr}.available-questions,.selected-questions{height:400px}.stats-grid{grid-template-columns:repeat(3,1fr)}.stat-card .stat-value{font-size:1.5rem}}@media(max-width:480px){.dashboard-main,.header-content{padding:0 16px}.header-left h1{font-size:1.5rem}.random-settings,.manual-settings,.builder-summary{padding:20px}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat-card{padding:12px}.stat-card .stat-value{font-size:1.25rem}}.view-rationale-btn{margin-left:auto;background:#f0fdf4;color:#166534;border:1px solid #bbf7d0;padding:6px 12px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;gap:6px}.view-rationale-btn:hover{background:#dcfce7;transform:translateY(-1px)}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .2s ease-out}.modal-content.rationale-modal{background:#fff;width:90%;max-width:600px;border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);overflow:hidden;animation:slideUp .3s ease-out;max-height:85vh;display:flex;flex-direction:column}.modal-header{padding:20px;background:#f8fafc;border-bottom:1px solid var(--border-light);display:flex;justify-content:space-between;align-items:center}.modal-header h3{margin:0;font-size:1.1rem;color:var(--primary-navy);display:flex;align-items:center;gap:8px}.close-modal-btn{background:transparent;border:none;font-size:1.5rem;color:var(--text-muted);cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all var(--transition-fast)}.close-modal-btn:hover{background:#e2e8f0;color:var(--text-primary)}.modal-body{padding:24px;overflow-y:auto}.rationale-text{line-height:1.6;color:var(--text-primary);font-size:1rem}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.q-passage{background:#f8fafc;padding:16px;border-left:3px solid var(--primary-navy);margin-bottom:16px;border-radius:4px}.q-passage p{margin:0;line-height:1.6;color:var(--text-primary);font-size:1.05rem;font-family:Georgia,serif}.q-text-bold{font-weight:600;margin-bottom:16px;color:var(--text-primary);font-family:var(--font-heading)}:root{--primary-navy: #0f172a;--primary-navy-dark: #020617;--primary-navy-light: #1e293b;--accent-emerald: #10b981;--accent-emerald-dark: #059669;--accent-emerald-light: #34d399;--accent-gold: #d4a84b;--accent-gold-dark: #b8923d;--accent-gold-light: #e5c070;--primary-green: var(--primary-navy);--primary-green-dark: var(--primary-navy-dark);--primary-green-light: var(--primary-navy-light);--secondary-purple: var(--accent-emerald);--secondary-purple-dark: var(--accent-emerald-dark);--bg-light: #f8fafc;--bg-white: #ffffff;--bg-dark: #0f172a;--text-primary: #0f172a;--text-secondary: #64748b;--text-muted: #94a3b8;--text-white: #ffffff;--border-light: #e2e8f0;--border-hover: #cbd5e1;--status-success: #10b981;--status-warning: #f59e0b;--status-error: #ef4444;--status-info: #3b82f6;--difficulty-easy: #22c55e;--difficulty-medium: #eab308;--difficulty-hard: #ef4444;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05), 0 1px 2px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -1px rgba(0, 0, 0, .03);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .05), 0 4px 6px -2px rgba(0, 0, 0, .025);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--font-heading: "Outfit", sans-serif;--font-body: "Plus Jakarta Sans", sans-serif;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-body);background-color:var(--bg-light);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:600;line-height:1.3;color:var(--primary-navy)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}.container{max-width:1280px;margin:0 auto;padding:0 var(--spacing-md)}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.grid{display:grid}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);font-size:1rem;font-weight:500;border-radius:var(--radius-full);border:none;cursor:pointer;transition:all var(--transition-fast);text-decoration:none}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--primary-green);color:var(--text-white)}.btn-primary:hover{background:var(--primary-green-dark)}.btn-secondary{background:var(--secondary-purple);color:var(--text-white)}.btn-secondary:hover{background:var(--secondary-purple-dark)}.btn-outline{background:transparent;color:var(--text-primary);border:2px solid var(--text-primary)}.btn-outline:hover{background:var(--text-primary);color:var(--text-white)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:#0000000d}.btn-lg{padding:var(--spacing-md) var(--spacing-xl);font-size:1.125rem}.btn-sm{padding:var(--spacing-xs) var(--spacing-md);font-size:.875rem}.card{background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden;transition:all var(--transition-normal)}.card:hover{box-shadow:var(--shadow-lg)}.card-header{padding:var(--spacing-lg);border-bottom:1px solid rgba(0,0,0,.05)}.card-body{padding:var(--spacing-lg)}.card-footer{padding:var(--spacing-lg);border-top:1px solid rgba(0,0,0,.05)}.badge{display:inline-flex;align-items:center;padding:var(--spacing-xs) var(--spacing-sm);font-size:.75rem;font-weight:600;border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.05em}.badge-success{background:var(--status-success);color:var(--text-white)}.badge-warning{background:var(--status-warning);color:var(--text-white)}.badge-error{background:var(--status-error);color:var(--text-white)}.badge-info{background:var(--status-info);color:var(--text-white)}.badge-purple{background:var(--secondary-purple);color:var(--text-white)}.exam-header{background:var(--primary-green);color:var(--text-white);padding:var(--spacing-sm) var(--spacing-md);display:flex;align-items:center;justify-content:space-between}.exam-timer{font-size:1.5rem;font-weight:600;font-variant-numeric:tabular-nums}.exam-content{display:grid;grid-template-columns:1fr 1fr;height:calc(100vh - 120px);background:#e8e8e8}.exam-passage{background:var(--bg-white);padding:var(--spacing-xl);overflow-y:auto;line-height:1.8}.exam-question{background:var(--bg-light);padding:var(--spacing-xl);overflow-y:auto}.question-number{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;background:var(--text-primary);color:var(--text-white);border-radius:var(--radius-sm);font-weight:600;margin-right:var(--spacing-sm)}.answer-option{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);margin:var(--spacing-sm) 0;background:var(--bg-white);border:2px solid #e5e7eb;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.answer-option:hover{border-color:var(--primary-navy-light);background:#1e3a5f0d}.answer-option.selected{border-color:var(--primary-navy);background:#1e3a5f1a}.answer-letter{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:2px solid currentColor;border-radius:var(--radius-full);font-weight:600;flex-shrink:0}.answer-option.selected .answer-letter{background:var(--primary-green);border-color:var(--primary-green);color:var(--text-white)}.exam-footer{background:var(--bg-white);border-top:3px solid var(--primary-green);padding:var(--spacing-md);display:flex;align-items:center;justify-content:space-between}.question-nav{display:flex;gap:var(--spacing-xs);flex-wrap:wrap;max-width:60%}.question-nav-item{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:#e5e7eb;border:none;border-radius:var(--radius-sm);font-size:.75rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.question-nav-item:hover{background:var(--primary-green-light);color:var(--text-white)}.question-nav-item.current{background:var(--text-primary);color:var(--text-white)}.question-nav-item.answered{background:var(--primary-green);color:var(--text-white)}.question-nav-item.flagged{background:var(--status-warning);color:var(--text-primary)}.progress-bar{height:4px;background:#e5e7eb;border-radius:var(--radius-full);overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary-green),var(--primary-green-light));transition:width var(--transition-normal)}.test-card{border:3px solid var(--primary-green);border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-white)}.test-card-header{background:linear-gradient(135deg,var(--bg-white) 0%,#eef2f7 100%);padding:var(--spacing-lg);display:flex;align-items:flex-start;gap:var(--spacing-md)}.test-icon{width:60px;height:60px;background:var(--text-primary);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center}.difficulty-indicator{display:flex;gap:var(--spacing-xl);margin-top:var(--spacing-md)}.difficulty-item{text-align:center}.difficulty-label{font-size:.875rem;color:var(--text-secondary);margin-bottom:var(--spacing-xs)}.difficulty-value{font-weight:600;color:var(--text-primary)}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal{background:var(--bg-white);border-radius:var(--radius-xl);max-width:600px;width:90%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-xl);animation:modalSlideIn .3s ease}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .3s ease}.animate-slide-up{animation:slideUp .4s ease}.hero{background:var(--primary-green);color:var(--text-white);padding:var(--spacing-2xl) 0;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:0;right:0;width:50%;height:100%;background:linear-gradient(135deg,transparent 0%,rgba(255,255,255,.05) 100%)}.info-card{background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--spacing-xl)}.info-item{display:flex;gap:var(--spacing-md);padding:var(--spacing-md) 0;border-bottom:1px solid #f3f4f6}.info-item:last-child{border-bottom:none}.info-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#1e3a5f1a;border-radius:var(--radius-full);color:var(--primary-green);flex-shrink:0}.tabs{display:flex;gap:var(--spacing-xs);background:var(--bg-white);padding:var(--spacing-xs);border-radius:var(--radius-full);box-shadow:var(--shadow-sm)}.tab{flex:1;padding:var(--spacing-sm) var(--spacing-lg);border:none;background:transparent;font-size:1rem;font-weight:500;color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-full);transition:all var(--transition-fast)}.tab:hover{background:#0000000d}.tab.active{background:var(--secondary-purple);color:var(--text-white)}@media(max-width:768px){.exam-content{grid-template-columns:1fr}.container{padding:0 var(--spacing-sm)}h1{font-size:1.875rem}h2{font-size:1.5rem}h3{font-size:1.25rem}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a1a1a1}#root{min-height:100vh;width:100%}.home-page{min-height:100vh}.hero{background:linear-gradient(135deg,var(--primary-navy) 0%,var(--primary-navy-light) 100%);color:#fff;padding:48px 0 60px;text-align:center}.hero-content{position:relative;z-index:2}.logo-box{background:#fff;padding:10px 14px;border-radius:var(--radius-md);margin-bottom:16px;box-shadow:var(--shadow-md);display:inline-block}.hero-logo{width:56px;height:auto;display:block}.hero-title{font-family:var(--font-heading);font-size:3.5rem;font-weight:800;margin-bottom:12px;letter-spacing:-.02em;color:#fff}.hero-subtitle{font-size:1.25rem;opacity:.9;margin-bottom:32px;font-weight:400}.hero-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.hero-buttons .btn{padding:14px 28px;font-size:1rem}.hero-buttons .btn-primary{background:var(--accent-emerald);color:#fff;box-shadow:0 4px 12px #10b9814d}.hero-buttons .btn-primary:hover{background:var(--accent-emerald-dark);transform:translateY(-2px)}.hero-buttons .btn-outline{background:#ffffff26!important;border:1px solid rgba(255,255,255,.4)!important;color:#fff!important;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.hero-buttons .btn-outline:hover{background:#ffffff40!important;border-color:#fff9!important}.tabs{display:flex;gap:4px;background:#fff;padding:6px;border-radius:var(--radius-full);box-shadow:var(--shadow-md)}.tab{flex:1;padding:12px 24px;border:none;background:transparent;font-family:var(--font-heading);font-size:.95rem;font-weight:500;color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-full);transition:all var(--transition-fast)}.tab:hover{background:var(--bg-light);color:var(--primary-navy)}.tab.active{background:var(--accent-emerald);color:#fff;box-shadow:var(--shadow-sm)}.tests-section{padding:48px 0 80px}.tests-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px;margin-top:32px}.test-card{background:#fff;border-radius:var(--radius-xl);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);overflow:hidden;transition:all var(--transition-normal);display:flex;flex-direction:column}.test-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px -12px #0f172a26;border-color:var(--accent-emerald)}.test-card-header{background:linear-gradient(135deg,var(--primary-navy) 0%,var(--primary-navy-light) 100%);padding:18px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.test-card-header .test-name{font-family:var(--font-heading);font-size:1.15rem;font-weight:600;color:#fff;margin:0;line-height:1.3;flex:1}.test-duration{display:inline-flex;align-items:center;gap:4px;background:#ffffff26;color:#fff;padding:4px 10px;border-radius:var(--radius-full);font-size:.75rem;font-weight:500;white-space:nowrap;flex-shrink:0}.test-card-header .badge{flex-shrink:0}.test-card-body{padding:20px;flex:1}.test-name{font-family:var(--font-heading);font-size:1.25rem;font-weight:700;color:var(--primary-navy);margin-bottom:8px}.test-description{font-size:.9rem;color:var(--text-secondary);line-height:1.6;margin-bottom:20px}.difficulty-indicator{display:flex;gap:16px}.difficulty-item{flex:1;background:#f8fafc;padding:12px 16px;border-radius:var(--radius-md);text-align:center}.difficulty-item.wide{flex:none;width:100%}.difficulty-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-weight:600;margin-bottom:4px}.difficulty-value{font-family:var(--font-heading);font-size:1rem;font-weight:700;color:var(--primary-navy)}.test-card-footer{padding:0 24px 24px}.test-card-footer .btn{width:100%;padding:14px 24px;font-size:.95rem}.review-section{padding:48px 0 80px}.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin-top:24px}.review-card{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border-light);padding:24px;transition:all var(--transition-fast)}.review-card:hover{border-color:var(--accent-emerald);box-shadow:var(--shadow-md)}.review-card h4{margin-bottom:12px}.review-stats{display:flex;gap:16px;margin-bottom:16px}.review-stat{font-size:.9rem;color:var(--text-secondary)}.review-score{font-size:2rem;font-weight:700;color:var(--accent-emerald);margin-bottom:16px}.empty-state{text-align:center;padding:60px 24px;background:#fff;border-radius:var(--radius-xl);border:1px solid var(--border-light)}.empty-state .empty-icon{font-size:4rem;margin-bottom:16px}.empty-state h3{margin-bottom:8px}.empty-state p{color:var(--text-secondary);margin-bottom:24px}.section-header{margin-bottom:24px}.section-header h2{font-size:1.5rem;margin-bottom:8px}.section-header p{color:var(--text-secondary)}@media(max-width:768px){.hero{padding:60px 0 80px}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.1rem}.hero-buttons{flex-direction:column;align-items:center}.hero-buttons .btn{width:100%;max-width:280px}.tests-grid{grid-template-columns:1fr}.test-stats{grid-template-columns:1fr;gap:8px}}