@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;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.40"}.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 .smash{display:inline;line-height:0}.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;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{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}.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{--skin: #2e5a16;--flesh-deep: #3d7a1e;--flesh-mid: #5ca03a;--flesh-bright: #7fc25a;--flesh-pale: #b8e09a;--cream: #faf9f5;--cream-card: #ffffff;--pit: #8a5a30;--pit-warm: #d4943e;--text: #2c3a20;--text-mid: #5a6e48;--text-muted: #8a9a78;--green-deep: var(--skin);--green-mid: var(--flesh-deep);--green-avocado: var(--flesh-mid);--green-light: var(--flesh-bright);--cream-dark: #ede9dc;--brown: var(--pit);--gold: var(--pit-warm);--primary: var(--flesh-mid);--card-bg: var(--cream-card);--border: rgba(92,160,58,.12);--surface: rgba(255,255,255,.98);--bg: var(--cream);--hover-bg: rgba(92,160,58,.04);--radius-sm: 12px;--radius-md: 20px;--radius-lg: 28px;--radius-xl: 36px;--radius-pill: 999px;--shadow-soft: 0 4px 20px rgba(92,160,58,.07);--shadow-card: 0 2px 24px rgba(44,58,32,.04), 0 0 0 1px rgba(92,160,58,.06);--shadow-hover: 0 12px 40px rgba(92,160,58,.1), 0 0 0 1px rgba(92,160,58,.12);--shadow-float: 0 20px 60px rgba(44,58,32,.1), 0 0 0 1px rgba(92,160,58,.08);--transition: .25s cubic-bezier(.4, 0, .2, 1);--bounce: .4s cubic-bezier(.34, 1.56, .64, 1)}*{margin:0;padding:0;box-sizing:border-box}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}button:focus-visible,a:focus-visible,[role=button]:focus-visible,[tabindex]:focus-visible{outline:2.5px solid var(--flesh-bright);outline-offset:3px;border-radius:var(--radius-sm)}html{overflow-x:hidden;scrollbar-width:thin;scrollbar-color:rgba(74,140,42,.2) transparent}html::-webkit-scrollbar{width:5px}html::-webkit-scrollbar-track{background:transparent}html::-webkit-scrollbar-thumb{background:#4a8c2a33;border-radius:99px}html::-webkit-scrollbar-thumb:hover{background:#4a8c2a59}html[data-theme=dark]{scrollbar-color:rgba(140,184,98,.18) transparent}html[data-theme=dark]::-webkit-scrollbar-thumb{background:#8cb8622e}html[data-theme=dark]::-webkit-scrollbar-thumb:hover{background:#8cb86259}body{background:var(--cream);color:var(--text);font-family:Outfit,sans-serif;min-height:100vh;overflow-x:hidden;font-weight:300;letter-spacing:.01em}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 10% 20%,rgba(184,224,154,.15) 0%,transparent 40%),radial-gradient(circle at 90% 80%,rgba(212,148,62,.06) 0%,transparent 35%),radial-gradient(circle at 50% 50%,rgba(127,194,90,.05) 0%,transparent 50%);pointer-events:none;z-index:0}body:after{display:none}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes typingBounce{0%,60%,to{opacity:.25;transform:translateY(0)}30%{opacity:1;transform:translateY(-5px)}}@keyframes cardGlow{0%,to{opacity:.3}50%{opacity:.7}}@keyframes splashSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes cursorBlink{0%,to{opacity:1}50%{opacity:0}}@keyframes wiggle{0%,to{transform:rotate(0)}25%{transform:rotate(-2deg)}75%{transform:rotate(2deg)}}@keyframes popIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.splash-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;background:var(--cream);display:flex;align-items:center;justify-content:center;transition:opacity 1.4s ease}.splash-overlay.splash-fading{opacity:0;pointer-events:none}.splash-logo-positioner{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);z-index:10000}.splash-logo{width:100px;height:100px;animation:splashSpin 2s linear infinite;filter:drop-shadow(0 4px 24px rgba(74,140,42,.2))}header{position:relative;z-index:10;padding:14px 32px;display:flex;align-items:center;justify-content:space-between;border-bottom:none;background:#fffc;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);flex-shrink:0;box-shadow:0 1px 2px #2c3a200a}.logo{display:flex;align-items:center;gap:12px}.logo-icon{width:36px;height:36px;flex-shrink:0}.logo-icon svg,.logo-icon img{width:100%;height:100%;filter:drop-shadow(0 2px 8px rgba(74,140,42,.15))}.logo-text{display:flex;flex-direction:column}.logo-name{font-family:Fraunces,serif;font-size:18px;font-weight:700;color:var(--skin);letter-spacing:-.01em;line-height:1}.logo-tagline{font-size:9px;color:var(--flesh-mid);letter-spacing:.18em;text-transform:uppercase;margin-top:3px;font-weight:500;opacity:.7}.lesson-select-page{min-height:100vh}.lesson-select-header{padding:20px 40px}.lesson-select-header .logo-icon{width:40px;height:40px}.lesson-select-header .logo-name{font-size:22px}.year-toggle{display:flex;background:#4a8c2a0f;border:1px solid rgba(74,140,42,.1);border-radius:var(--radius-pill);padding:3px;gap:3px}.year-btn{padding:7px 20px;border:none;border-radius:var(--radius-pill);font-family:Outfit,sans-serif;font-size:12px;font-weight:500;cursor:pointer;transition:all var(--transition);color:var(--text-muted);background:transparent}.year-btn.active{background:var(--flesh-mid);color:#fff;box-shadow:0 2px 10px #4a8c2a40}.year-btn:hover:not(.active){color:var(--text);background:#4a8c2a14}.header-auth-btn{padding:7px 16px;border:1.5px solid rgba(74,140,42,.18);border-radius:var(--radius-pill);font-family:Outfit,sans-serif;font-size:12px;font-weight:500;cursor:pointer;transition:all var(--transition);color:var(--flesh-mid);background:transparent;text-decoration:none;display:inline-flex;align-items:center}.header-auth-btn:hover{border-color:var(--flesh-mid);background:#4a8c2a0f}.name-screen{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:var(--cream);display:flex;align-items:center;justify-content:center;animation:fadeIn .5s ease both}.name-screen:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse at 40% 55%,rgba(106,170,62,.06) 0%,transparent 55%);pointer-events:none}.name-card{position:relative;z-index:10;text-align:center;max-width:420px;padding:52px 40px;background:var(--cream-card);border:1px solid rgba(74,140,42,.08);border-radius:var(--radius-xl);box-shadow:var(--shadow-float);animation:popIn .5s var(--bounce) both}.name-avocado{width:80px;height:80px;margin:0 auto 28px;filter:drop-shadow(0 6px 16px rgba(74,140,42,.18));animation:float 4s ease-in-out infinite}.name-card h1{font-family:Fraunces,serif;font-size:26px;font-weight:600;color:var(--text);letter-spacing:-.01em;line-height:1.2;margin-bottom:10px}.name-card h1 em{font-style:italic;color:var(--flesh-mid)}.name-card p{font-size:13px;color:var(--text-muted);font-weight:300;line-height:1.7;margin-bottom:36px;letter-spacing:.01em}.name-input{width:100%;background:#faf9f5cc;border:2px solid rgba(92,160,58,.1);border-radius:var(--radius-pill);padding:16px 24px;font-family:Outfit,sans-serif;font-size:15px;font-weight:300;color:var(--text);outline:none;transition:all var(--transition);text-align:center;letter-spacing:.02em;caret-color:var(--flesh-mid);margin-bottom:16px}.name-input::placeholder{color:#8a9a7873}.name-input:focus{border-color:var(--flesh-bright);box-shadow:0 0 0 5px #7fc25a1a;background:#fff}.name-submit{width:100%;background:linear-gradient(135deg,var(--flesh-mid),var(--flesh-bright));border:none;border-radius:var(--radius-pill);padding:16px;font-family:Outfit,sans-serif;font-size:14px;font-weight:600;color:#fff;cursor:pointer;transition:all var(--bounce);box-shadow:0 4px 20px #5ca03a40;letter-spacing:.02em}.name-submit:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 8px 28px #5ca03a4d}.name-submit:disabled{background:#5ca03a2e;cursor:not-allowed;transform:none;box-shadow:none;color:var(--text-muted)}.main-content{position:relative;z-index:10;padding:48px 44px 64px;max-width:1200px;margin:0 auto}.page-header{margin-bottom:40px;animation:fadeUp .6s ease both}.page-header h1{font-family:Fraunces,serif;font-size:28px;font-weight:700;color:var(--text);letter-spacing:-.02em;line-height:1.2;margin-bottom:8px}.page-header h1 em{font-style:italic;color:var(--flesh-mid)}.page-header p{font-size:13px;color:var(--text-muted);font-weight:300;letter-spacing:.02em}.modules-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.module-card{background:var(--cream-card);border:1.5px solid rgba(92,160,58,.08);border-radius:var(--radius-lg);overflow:visible;cursor:pointer;transition:transform var(--bounce),box-shadow .3s ease,border-color .3s ease;animation:popIn .5s ease both;position:relative;box-shadow:0 4px 24px #2c3a200d}.module-card:before{content:"";position:absolute;top:-2px;right:-2px;bottom:-2px;left:-2px;border-radius:30px;box-shadow:none;pointer-events:none;z-index:-1}.module-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:0 16px 48px #5ca03a1f,0 4px 12px #2c3a200f;border-color:#5ca03a33}.module-card:hover:before{box-shadow:none}.card-visual{height:80px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;border-radius:calc(var(--radius-lg) - 2px) calc(var(--radius-lg) - 2px) 0 0}.card-visual:after{display:none}.card-visual svg{width:100%;height:100%;position:absolute;top:0;right:0;bottom:0;left:0;opacity:.85}.card-body{padding:12px 14px 10px;border-top:none}.module-number{font-size:7px;color:var(--module-color, var(--flesh-mid));letter-spacing:.3em;text-transform:uppercase;font-weight:600;margin-bottom:5px;opacity:.85;font-family:Outfit,sans-serif}.card-rule{width:20px;height:2px;background:var(--module-color, var(--flesh-pale));opacity:.5;margin-bottom:5px;border-radius:1px}.module-title{font-family:Fraunces,serif;font-size:13px;font-weight:700;color:var(--text);letter-spacing:-.01em;line-height:1.25;margin-bottom:6px}.lesson-count{font-size:10px;color:var(--text-muted);font-weight:400;display:flex;align-items:center;gap:8px;letter-spacing:.06em;text-transform:uppercase}.lesson-count:before{content:"";display:inline-block;width:16px;height:1.5px;background:var(--module-color, var(--flesh-pale));opacity:.45;border-radius:1px}.lessons-drawer{max-height:0;overflow:hidden;transition:max-height .35s ease}.lessons-drawer.open{max-height:2000px;overflow-y:visible;border-top:1px solid rgba(74,140,42,.05)}.lessons-list{padding:6px 0}.topic-group{border-bottom:1px solid rgba(74,140,42,.04)}.topic-group:last-child{border-bottom:none}.topic-header{display:flex;align-items:center;gap:6px;padding:7px 12px;cursor:pointer;transition:background .15s;-webkit-user-select:none;user-select:none;background:none;border:none;width:100%;text-align:left;font-family:inherit;border-radius:var(--radius-sm)}.topic-header:hover{background:#4a8c2a0a}.topic-chevron{width:8px;height:8px;flex-shrink:0;color:var(--flesh-mid);opacity:.5;transition:transform .2s}.topic-header.open .topic-chevron{transform:rotate(180deg)}.topic-name{font-size:10px;font-weight:500;color:var(--text);letter-spacing:.02em;flex:1}.topic-count{font-size:9px;color:var(--text-muted);background:#4a8c2a0f;border-radius:var(--radius-pill);padding:2px 8px;letter-spacing:.04em}.topic-lessons{max-height:0;overflow:hidden;transition:max-height .25s ease}.topic-lessons.open{max-height:2000px}.lesson-item{display:flex;align-items:center;gap:8px;padding:5px 12px 5px 24px;cursor:pointer;transition:background .15s;background:none;border:none;width:100%;text-align:left;font-family:inherit;border-radius:var(--radius-sm)}.lesson-item:hover{background:#4a8c2a0a}.lesson-dot{width:4px;height:4px;border-radius:50%;background:#4a8c2a2e;flex-shrink:0;transition:all .15s}.lesson-item:hover .lesson-dot{background:var(--flesh-mid);transform:scale(1.3)}.lesson-name{font-size:10.5px;color:var(--text-mid);font-weight:300;line-height:1.35;transition:color .15s;letter-spacing:.01em}.lesson-item:hover .lesson-name{color:var(--text)}.lesson-check{width:9px;height:9px;color:var(--flesh-mid);flex-shrink:0}.lesson-item.completed .lesson-name{color:var(--flesh-mid)}.lesson-item.in-progress .lesson-dot{background:var(--pit-warm);opacity:.8;width:5px;height:5px}.lesson-item.in-progress .lesson-name{color:var(--pit)}.expand-indicator{position:absolute;top:12px;right:14px;width:22px;height:22px;display:flex;align-items:center;justify-content:center;background:#4a8c2a14;border-radius:50%;transition:all .2s}.expand-indicator svg{width:9px;height:9px;transition:transform .25s;color:var(--flesh-mid)}.module-card.expanded .expand-indicator svg{transform:rotate(180deg)}.chat-layout{height:100vh;overflow:hidden;display:flex;flex-direction:column;position:relative}.chat-layout:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse at 20% 50%,rgba(106,170,62,.04) 0%,transparent 60%),radial-gradient(ellipse at 80% 20%,rgba(74,140,42,.03) 0%,transparent 50%);pointer-events:none;z-index:0}.header-right{display:flex;align-items:center;gap:14px}.lesson-badge{display:flex;flex-direction:column;align-items:flex-end;gap:2px}.lesson-badge-module{font-size:10px;color:var(--flesh-mid);letter-spacing:.1em;text-transform:uppercase;font-weight:500}.lesson-badge-topic{font-family:Outfit,sans-serif;font-size:13px;font-weight:400;color:var(--text);letter-spacing:-.01em}.header-badge{display:flex;align-items:center;gap:8px;background:#4a8c2a14;border:1px solid rgba(74,140,42,.14);border-radius:var(--radius-pill);padding:5px 14px;font-size:11px;color:var(--flesh-deep);letter-spacing:.06em}.badge-dot{width:6px;height:6px;background:var(--flesh-mid);border-radius:50%;animation:pulse 2s ease-in-out infinite}.session-timer{font-size:11px;color:var(--text-muted);letter-spacing:.06em;font-weight:300}.session-timer.warning{color:var(--pit-warm)}.back-btn{display:flex;align-items:center;gap:6px;background:transparent;border:1.5px solid rgba(74,140,42,.14);border-radius:var(--radius-pill);padding:6px 14px;font-family:Outfit,sans-serif;font-size:11px;font-weight:500;color:var(--text-mid);cursor:pointer;transition:all var(--transition);text-decoration:none}.back-btn:hover{border-color:var(--flesh-mid);color:var(--text);background:#4a8c2a0a}.phase-bar{position:relative;z-index:10;padding:12px 32px;background:#faf8f0eb;border-bottom:1px solid rgba(74,140,42,.06);flex-shrink:0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.phase-bar-inner{display:flex;align-items:center;gap:20px;max-width:820px;margin:0 auto}.progress-bars{flex:1;display:flex;flex-direction:column;gap:8px}.progress-row{display:flex;align-items:center;gap:10px}.progress-label{font-size:9px;color:var(--text-muted);letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;width:44px;flex-shrink:0}.progress-track{flex:1;height:5px;background:#4a8c2a14;border-radius:var(--radius-pill);overflow:hidden}.progress-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--flesh-mid),var(--flesh-bright));border-radius:var(--radius-pill);transition:width .6s cubic-bezier(.4,0,.2,1)}.progress-fill.module{background:linear-gradient(90deg,var(--pit),var(--pit-warm))}.progress-detail{font-size:9px;letter-spacing:.04em;white-space:nowrap;min-width:72px;text-align:right;flex-shrink:0}.progress-detail.lesson-detail{color:var(--flesh-mid)}.progress-detail.module-detail{color:var(--pit-warm)}.phase-pill{font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--flesh-deep);background:#4a8c2a12;border:1px solid rgba(74,140,42,.12);border-radius:var(--radius-pill);padding:4px 12px;white-space:nowrap;flex-shrink:0}.phase-bar-actions{display:flex;align-items:center;flex-shrink:0}.next-phase-btn{background:#4a8c2a12;border:1.5px solid rgba(74,140,42,.18);border-radius:var(--radius-pill);padding:6px 16px;font-family:Outfit,sans-serif;font-size:10px;font-weight:500;color:var(--flesh-deep);cursor:pointer;transition:all var(--transition);letter-spacing:.02em;white-space:nowrap}.next-phase-btn:hover{background:#4a8c2a1f;border-color:var(--flesh-mid)}.next-phase-btn:disabled{opacity:.35;cursor:not-allowed}.next-phase-btn.finish{background:#c0732a14;border-color:#c0732a38;color:var(--pit-warm)}.next-phase-btn.finish:hover{background:#c0732a24;border-color:var(--pit-warm)}.lesson-complete-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#f5f2e8e6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;display:flex;align-items:center;justify-content:center;animation:fadeIn .4s ease both}.lesson-complete-card{background:var(--cream-card);border:1px solid rgba(74,140,42,.1);border-radius:var(--radius-xl);padding:44px 48px;max-width:440px;width:90%;text-align:center;animation:popIn .4s var(--bounce) both;box-shadow:var(--shadow-float)}.complete-avocado{width:64px;height:64px;margin:0 auto 22px;filter:drop-shadow(0 6px 16px rgba(74,140,42,.18));animation:float 3s ease-in-out infinite}.complete-title{font-family:Fraunces,serif;font-size:24px;font-weight:600;color:var(--text);letter-spacing:-.01em;margin-bottom:8px}.complete-subtitle{font-size:12px;color:var(--text-muted);line-height:1.7;margin-bottom:6px;font-weight:300}.complete-lesson-name{font-family:Outfit,sans-serif;font-size:13px;color:var(--flesh-mid);margin-bottom:28px;font-style:italic}.complete-module-progress{display:flex;align-items:center;gap:10px;margin-bottom:28px;background:#4a8c2a0a;border:1px solid rgba(74,140,42,.08);border-radius:var(--radius-md);padding:14px 18px}.cmp-label{font-size:9px;color:var(--pit-warm);letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;flex-shrink:0}.cmp-track{flex:1;height:5px;background:#c0732a1a;border-radius:var(--radius-pill);overflow:hidden}.cmp-fill{height:100%;background:linear-gradient(90deg,var(--pit),var(--pit-warm));border-radius:var(--radius-pill);transition:width 1s ease .3s}.cmp-pct{font-size:10px;color:var(--pit-warm);flex-shrink:0}.complete-actions{display:flex;flex-direction:column;gap:10px}.btn-next-lesson{background:var(--flesh-mid);border:none;border-radius:var(--radius-md);padding:14px 20px;font-family:Outfit,sans-serif;font-size:12px;font-weight:600;color:#fff;cursor:pointer;transition:all var(--transition);width:100%;box-shadow:0 3px 14px #4a8c2a33}.btn-next-lesson:hover{background:var(--flesh-deep);transform:translateY(-2px);box-shadow:0 6px 20px #4a8c2a40}.btn-next-lesson.module-complete{background:transparent;border:1.5px solid rgba(192,115,42,.3);color:var(--pit-warm);box-shadow:none}.btn-next-lesson.module-complete:hover{background:#c0732a0f;border-color:var(--pit-warm);transform:translateY(-2px)}.btn-exit{background:transparent;border:1.5px solid rgba(74,140,42,.12);border-radius:var(--radius-md);padding:12px 20px;font-family:Outfit,sans-serif;font-size:11px;font-weight:500;color:var(--text-muted);cursor:pointer;transition:all var(--transition);width:100%}.btn-exit:hover{border-color:#4a8c2a40;color:var(--text)}.chat-container{flex:1;overflow-y:auto;padding:36px;position:relative;z-index:10;display:flex;flex-direction:column;gap:20px;scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:rgba(74,140,42,.12) transparent}.chat-container::-webkit-scrollbar{width:4px}.chat-container::-webkit-scrollbar-track{background:transparent}.chat-container::-webkit-scrollbar-thumb{background:#4a8c2a1f;border-radius:99px}.resume-choice{display:flex;align-items:center;justify-content:center;flex:1;padding:40px 24px;animation:fadeUp .5s ease both}.resume-choice-body{text-align:center;max-width:400px}.resume-choice-status{display:inline-block;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:4px 12px;border-radius:var(--radius-pill);margin-bottom:16px}.resume-choice-status.completed{background:#4a8c2a1a;color:var(--flesh-mid)}.resume-choice-status.in-progress{background:#6b3d1814;color:var(--pit)}[data-theme=dark] .resume-choice-status.completed{background:#6e9a382e}[data-theme=dark] .resume-choice-status.in-progress{background:#a06e3c2e;color:#c49a6c}.resume-choice-title{font-size:20px;font-weight:700;color:var(--text);margin:0 0 8px}.resume-choice-sub{font-size:13px;color:var(--text-muted);margin:0 0 24px}.resume-choice-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.resume-btn-primary{padding:10px 24px;border-radius:var(--radius-pill);border:none;background:var(--flesh-mid);color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:all var(--transition);box-shadow:0 2px 10px #4a8c2a2e}.resume-btn-primary:hover{background:var(--flesh-deep);transform:translateY(-1px)}.resume-choice-note{margin:14px 0 0;font-size:11.5px;color:var(--text-muted)}.welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;text-align:center;padding:60px 24px;animation:fadeUp .6s ease both}.welcome-avocado{width:100px;height:100px;margin-bottom:32px;filter:drop-shadow(0 8px 24px rgba(92,160,58,.2));animation:float 5s ease-in-out infinite}.welcome h1{font-family:Fraunces,serif;font-size:34px;font-weight:600;color:var(--text);letter-spacing:-.02em;line-height:1.15;margin-bottom:12px}.welcome h1 em{font-style:italic;color:var(--flesh-mid);font-weight:500}.welcome p{font-size:14px;color:var(--text-muted);max-width:400px;line-height:1.8;font-weight:300;margin-bottom:36px}.typewriter-cursor{display:inline-block;width:2px;height:1em;background:var(--flesh-mid);margin-left:2px;vertical-align:text-bottom;animation:cursorBlink .8s step-end infinite}.starter-questions{display:flex;flex-direction:column;gap:10px;width:100%;max-width:460px}.starter-q-appear{opacity:0;animation:fadeUp .4s ease both}.starter-q{background:#fff;border:2px solid rgba(92,160,58,.08);border-radius:var(--radius-lg);padding:16px 22px;font-size:13.5px;color:var(--text-mid);cursor:pointer;text-align:left;transition:all var(--bounce);font-family:Outfit,sans-serif;line-height:1.6;box-shadow:0 2px 12px #2c3a2008;font-weight:300}.starter-q:hover{background:#b8e09a1a;border-color:#5ca03a40;color:var(--text);transform:translate(8px) scale(1.01);box-shadow:0 4px 16px #5ca03a14}.phase-notice{display:flex;align-items:center;gap:10px;padding:9px 16px;background:#4a8c2a0d;border:1px solid rgba(74,140,42,.1);border-radius:var(--radius-pill);font-size:11px;color:var(--flesh-deep);letter-spacing:.04em;align-self:center;animation:fadeUp .3s ease both}.phase-notice-dot{width:5px;height:5px;border-radius:50%;background:var(--flesh-mid);flex-shrink:0}.concept-notice{display:flex;align-items:center;gap:10px;padding:12px 18px;background:#4a8c2a0a;border:1px solid rgba(74,140,42,.08);border-radius:var(--radius-md);align-self:center;animation:fadeUp .3s ease both}.concept-notice-text{display:flex;flex-direction:column;gap:1px}.concept-notice-label{font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted)}.concept-notice-name{font-family:Outfit,sans-serif;font-size:13px;font-style:italic;color:var(--text)}.message{display:flex;gap:12px;animation:fadeUp .3s ease both;max-width:820px}.message.user{flex-direction:row-reverse;align-self:flex-end}.message.assistant{align-self:flex-start}.avatar{width:34px;height:34px;border-radius:var(--radius-pill);flex-shrink:0;display:flex;align-items:center;justify-content:center;margin-top:2px;font-family:Outfit,sans-serif;font-size:13px;font-weight:500}.avatar.ai{background:#4a8c2a1a;border:1.5px solid rgba(74,140,42,.16)}.avatar.user-av{background:#6b3d1814;border:1.5px solid rgba(107,61,24,.14);color:var(--pit)}.bubble{padding:18px 22px;border-radius:var(--radius-xl);font-size:14px;line-height:1.85;max-width:620px;font-weight:300;overflow-wrap:break-word;word-break:break-word}.message.assistant .bubble{background:#fff;border:none;color:var(--text);border-radius:8px var(--radius-xl) var(--radius-xl) var(--radius-xl);box-shadow:0 2px 16px #2c3a200d}.message.user .bubble{background:linear-gradient(135deg,#b8e09a40,#5ca03a1f);border:none;color:var(--text);border-radius:var(--radius-xl) 8px var(--radius-xl) var(--radius-xl)}.bubble strong{color:var(--flesh-deep);font-weight:600}.bubble em{color:var(--pit);font-style:italic}.bubble code{background:#4a8c2a0f;border:1px solid rgba(74,140,42,.1);padding:2px 7px;border-radius:6px;font-size:12.5px;color:var(--flesh-deep);overflow-wrap:break-word}.bubble ul,.bubble ol{padding-left:20px;margin:8px 0}.bubble ol{list-style-type:decimal}.bubble ul{list-style-type:disc}.bubble li{margin-bottom:4px}.md-table-wrap{overflow-x:auto;margin:10px 0}.md-table{border-collapse:collapse;font-size:12.5px;width:100%}.md-table th{background:#4a8c2a0f;color:var(--flesh-deep);font-weight:600;padding:8px 14px;text-align:left;border:1px solid rgba(74,140,42,.08);border-radius:4px}.md-table td{padding:6px 14px;border:1px solid rgba(74,140,42,.06);color:var(--text);vertical-align:top}.md-table tbody tr:nth-child(2n) td{background:#4a8c2a05}[data-theme=dark] .md-table th{background:#ffffff12;border-color:#ffffff1a}[data-theme=dark] .md-table td{border-color:#ffffff12}[data-theme=dark] .md-table tbody tr:nth-child(2n) td{background:#ffffff08}.diagram-block{margin:12px 0;border-radius:var(--radius-md);overflow:hidden;border:1px solid rgba(74,140,42,.08);background:#fff;padding:14px;max-width:100%}.diagram-block svg{width:100%;height:auto;display:block;max-width:100%}.typing{display:flex;gap:12px;align-items:flex-start;animation:fadeUp .3s ease both}.typing-dots{background:var(--cream-card);border:1px solid rgba(74,140,42,.08);border-radius:6px var(--radius-lg) var(--radius-lg) var(--radius-lg);padding:18px 22px;display:flex;gap:7px;align-items:center;box-shadow:0 2px 8px #1a3a0808}.typing-dots span{width:7px;height:7px;background:var(--flesh-mid);border-radius:50%;opacity:.3;animation:typingBounce 1.2s ease-in-out infinite}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}.input-area{position:relative;z-index:10;padding:20px 32px 28px;background:#faf8f0f2;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid rgba(74,140,42,.06);flex-shrink:0}.lesson-blocked-notice{max-width:820px;margin:0 auto 12px;padding:12px 16px;background:#6b3d180d;border:1px solid rgba(107,61,24,.12);border-radius:var(--radius-md);font-size:13px;color:var(--pit);text-align:center}.lesson-blocked-notice a{color:var(--flesh-mid);font-weight:600;text-decoration:none}.lesson-blocked-notice a:hover{text-decoration:underline}.input-wrapper{display:flex;gap:12px;align-items:flex-end;max-width:820px;margin:0 auto;background:#fff;border:2px solid rgba(92,160,58,.08);border-radius:var(--radius-pill);padding:12px 14px 12px 22px;transition:all var(--transition);box-shadow:0 4px 20px #2c3a200a}.input-wrapper:focus-within{border-color:var(--flesh-bright);box-shadow:0 0 0 5px #7fc25a14,0 4px 20px #2c3a200a}.chat-input{flex:1;background:transparent;border:none;outline:none;color:var(--text);font-family:Outfit,sans-serif;font-size:14px;font-weight:400;resize:none;min-height:24px;max-height:120px;line-height:1.6;caret-color:var(--flesh-mid)}.chat-input::placeholder{color:#6a7d5659}.send-btn{width:40px;height:40px;background:linear-gradient(135deg,var(--flesh-mid),var(--flesh-bright));border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--bounce);flex-shrink:0;color:#fff;box-shadow:0 3px 14px #5ca03a40}.send-btn:hover{transform:scale(1.12) rotate(5deg);box-shadow:0 6px 20px #5ca03a4d}.send-btn:active{transform:scale(.88)}.send-btn:disabled{background:#5ca03a1f;cursor:not-allowed;transform:none;color:var(--text-muted);box-shadow:none}.input-hint{text-align:center;font-size:10px;color:#6a7d5666;margin-top:12px;letter-spacing:.04em;max-width:820px;margin-left:auto;margin-right:auto}.usage-counter{color:#6a7d56b3;font-size:11px}.usage-blocked-hint{text-align:center;font-size:12px;color:#6a7d56cc;margin-top:12px;max-width:820px;margin-left:auto;margin-right:auto}.usage-blocked-hint a{color:var(--flesh-mid);text-decoration:none}.usage-blocked-hint a:hover{text-decoration:underline}.continue-bar{display:flex;justify-content:flex-end;align-items:center;gap:8px;padding:8px 32px 0;flex-shrink:0}.continue-btn{background:var(--flesh-mid);color:#fff;border:none;border-radius:var(--radius-sm);padding:10px 20px;font-family:Outfit,sans-serif;font-size:13px;font-weight:600;cursor:pointer;transition:all var(--transition);letter-spacing:.01em;box-shadow:0 2px 8px #4a8c2a2e}.continue-btn:hover:not(:disabled){background:var(--flesh-deep);transform:translateY(-1px)}.continue-btn:disabled{opacity:.45;cursor:not-allowed}.complete-btn{background:transparent;color:var(--flesh-mid);border:1.5px solid var(--flesh-mid);box-shadow:none}.complete-btn:hover:not(:disabled){background:var(--flesh-mid);color:#fff;transform:translateY(-1px)}.auth-screen{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:var(--cream);display:flex;align-items:center;justify-content:center;animation:fadeIn .5s ease both}.auth-screen:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse at 30% 60%,rgba(106,170,62,.06) 0%,transparent 55%),radial-gradient(ellipse at 75% 25%,rgba(74,140,42,.04) 0%,transparent 50%);pointer-events:none}.auth-card{position:relative;z-index:10;display:flex;flex-direction:column;align-items:center;text-align:center;max-width:400px;width:90%;padding:44px 40px;background:var(--cream-card);border:1px solid rgba(74,140,42,.08);border-radius:var(--radius-xl);box-shadow:var(--shadow-float);animation:popIn .5s var(--bounce) both}.auth-logo{width:100px;height:100px;display:block;margin:0 auto 28px;filter:drop-shadow(0 6px 16px rgba(74,140,42,.18));animation:float 4s ease-in-out infinite}.auth-card h2{font-family:Fraunces,serif;font-size:24px;font-weight:600;color:var(--text);letter-spacing:-.01em;margin-bottom:6px}.auth-card .auth-subtitle{font-size:12px;color:var(--text-muted);font-weight:300;letter-spacing:.02em;margin-bottom:32px}.auth-field{text-align:left;margin-bottom:16px}.auth-field label{display:block;font-size:10px;color:var(--flesh-mid);letter-spacing:.1em;text-transform:uppercase;margin-bottom:7px;font-weight:500}.auth-input{width:100%;background:#fff;border:1.5px solid rgba(74,140,42,.14);border-radius:var(--radius-sm);padding:13px 16px;font-family:Outfit,sans-serif;font-size:14px;font-weight:300;color:var(--text);outline:none;transition:all var(--transition);letter-spacing:.01em;caret-color:var(--flesh-mid)}.auth-input::placeholder{color:#6a7d5659}.auth-input:focus{border-color:var(--flesh-mid);box-shadow:0 0 0 4px #4a8c2a12}.auth-error{font-size:12px;color:#c04030;background:#c040300f;border:1px solid rgba(192,64,48,.12);border-radius:var(--radius-sm);padding:10px 14px;margin-bottom:14px;letter-spacing:.01em;text-align:left}.auth-submit{width:100%;background:var(--flesh-mid);border:none;border-radius:var(--radius-sm);padding:14px;font-family:Outfit,sans-serif;font-size:13px;font-weight:600;color:#fff;cursor:pointer;transition:all var(--transition);margin-top:6px;box-shadow:0 3px 14px #4a8c2a33}.auth-submit:hover{background:var(--flesh-deep);transform:translateY(-2px);box-shadow:0 6px 20px #4a8c2a40}.auth-submit:disabled{background:#4a8c2a2e;cursor:not-allowed;transform:none;box-shadow:none;color:var(--text-muted)}.auth-toggle{margin-top:22px;font-size:12px;color:var(--text-muted);letter-spacing:.01em}.auth-toggle button{background:none;border:none;cursor:pointer;color:var(--flesh-mid);font-family:Outfit,sans-serif;font-size:12px;letter-spacing:.01em;text-decoration:underline;text-underline-offset:3px;padding:0;transition:color .15s}.auth-toggle button:hover{color:var(--flesh-deep)}.theme-toggle{width:34px;height:34px;display:flex;align-items:center;justify-content:center;background:transparent;border:1.5px solid rgba(74,140,42,.12);border-radius:var(--radius-sm);cursor:pointer;color:var(--text-mid);transition:all var(--transition);flex-shrink:0}.theme-toggle:hover{border-color:var(--flesh-mid);color:var(--flesh-mid);background:#4a8c2a0a}[data-theme=dark]{--cream: #141916;--cream-card: #1c221e;--text: #d4d2c4;--text-mid: #9aa494;--text-muted: #6a7466;--skin: #90bc66;--flesh-mid: #90bc66;--flesh-deep: #6a9440;--flesh-bright: #a8d47c;--primary: #90bc66;--card-bg: #1c221e;--border: #2a3228;--surface: rgba(22,27,20,.98);--bg: #141916;--hover-bg: rgba(144,188,102,.05);--shadow-soft: 0 2px 16px rgba(0,0,0,.2);--shadow-card: 0 2px 20px rgba(0,0,0,.18), 0 0 0 1px rgba(255,255,255,.03);--shadow-hover: 0 8px 32px rgba(0,0,0,.25), 0 0 0 1px rgba(255,255,255,.05);--shadow-float: 0 12px 40px rgba(0,0,0,.35)}[data-theme=dark] body:before{background:none}[data-theme=dark] header{background:#1c221efa;border-bottom-color:#2a3228;box-shadow:0 1px #2a3228}[data-theme=dark] .logo-tagline{color:#7a8576}[data-theme=dark] .name-card,[data-theme=dark] .auth-card,[data-theme=dark] .lesson-complete-card{background:#222a24;border-color:#323c34;box-shadow:0 8px 40px #00000080}[data-theme=dark] .module-card{background:#222a24;box-shadow:0 2px 16px #00000040,inset 0 0 0 1px #ffffff0a}[data-theme=dark] .module-card:before{box-shadow:0 0 16px #90bc660f}[data-theme=dark] .module-card:hover:before{box-shadow:0 0 36px #90bc6624}[data-theme=dark] .card-body{border-top-color:#ffffff0a}[data-theme=dark] .topic-group{border-bottom-color:#ffffff08}[data-theme=dark] .lessons-drawer.open{border-top-color:#ffffff0a}[data-theme=dark] .topic-header:hover,[data-theme=dark] .lesson-item:hover{background:#ffffff08}[data-theme=dark] .topic-count{background:#ffffff0d}[data-theme=dark] .card-rule{opacity:.3}[data-theme=dark] .year-toggle{background:#222a24;border-color:#323c34}[data-theme=dark] .name-input,[data-theme=dark] .auth-input{background:#222a24;border-color:#323c34;color:var(--text)}[data-theme=dark] .name-input:focus,[data-theme=dark] .auth-input:focus{border-color:#90bc66;box-shadow:0 0 0 4px #90bc6614}[data-theme=dark] .phase-bar{background:#1c221e;border-bottom-color:#2a3228}[data-theme=dark] .message.assistant .bubble{background:#222a24;border-color:#323c34;box-shadow:none}[data-theme=dark] .message.user .bubble{background:#283028;border-color:#323c34}[data-theme=dark] .bubble code{background:#283028;border-color:#323c34;color:#90bc66}[data-theme=dark] .typing-dots{background:#222a24;border-color:#323c34}[data-theme=dark] .input-area{background:#1c221e;border-top-color:#2a3228}[data-theme=dark] .input-wrapper{background:#222a24;border-color:#323c34;box-shadow:none}[data-theme=dark] .input-wrapper:focus-within{border-color:#90bc6673;box-shadow:0 0 0 4px #90bc660f}[data-theme=dark] .starter-q{background:#222a24;border-color:#323c34}[data-theme=dark] .starter-q:hover{background:#283028;border-color:#90bc6638}[data-theme=dark] .lesson-complete-overlay{background:#000000e0}[data-theme=dark] .diagram-block{background:#222a24;border-color:#323c34}[data-theme=dark] .progress-track{background:#323c34}[data-theme=dark] .complete-module-progress{background:#222a24;border-color:#323c34}[data-theme=dark] .send-btn:disabled{background:#323c34;color:#7a8576}[data-theme=dark] .back-btn{border-color:#323c34}[data-theme=dark] .continue-btn{background:#5a8a2e}[data-theme=dark] .continue-btn:hover:not(:disabled){background:#4a7524}[data-theme=dark] .complete-btn{background:transparent;color:#7ab840;border-color:#7ab840}[data-theme=dark] .complete-btn:hover:not(:disabled){background:#5a8a2e;color:#fff}[data-theme=dark] .header-badge{background:#90bc660f;border-color:#90bc6624}[data-theme=dark] .theme-toggle{border-color:#323c34}.tools-section{margin-top:52px}.tools-heading{font-family:Outfit,sans-serif;font-size:18px;font-weight:600;color:var(--text);letter-spacing:-.02em;margin-bottom:16px}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}.tool-nav-card{display:flex;align-items:center;gap:16px;padding:20px 22px;background:var(--cream-card);border:1px solid rgba(74,140,42,.08);border-radius:var(--radius-lg);text-decoration:none;transition:all var(--transition);box-shadow:var(--shadow-card)}.tool-nav-card:hover{border-color:#4a8c2a2e;transform:translateY(-3px);box-shadow:var(--shadow-hover)}.tool-nav-icon{width:44px;height:44px;border-radius:var(--radius-sm);background:#4a8c2a0f;border:1px solid rgba(74,140,42,.08);display:flex;align-items:center;justify-content:center;color:var(--flesh-mid);flex-shrink:0}.tool-nav-body{flex:1}.tool-nav-title{font-family:Outfit,sans-serif;font-size:14px;font-weight:500;color:var(--text);letter-spacing:-.01em;margin-bottom:4px}.tool-nav-desc{font-size:11px;color:var(--text-muted);line-height:1.5;font-weight:300}.tool-nav-arrow{font-size:16px;color:var(--flesh-mid);opacity:0;transition:opacity .15s,transform .15s;flex-shrink:0}.tool-nav-card:hover .tool-nav-arrow{opacity:1;transform:translate(3px)}.tool-page{min-height:100vh;display:flex;flex-direction:column}.tool-main{flex:1;min-width:0;overflow-y:auto;padding:44px 24px 80px}.tool-container{max-width:720px;margin:0 auto}.tool-heading{margin-bottom:32px;animation:fadeUp .5s ease both}.tool-heading h1{font-family:Outfit,sans-serif;font-size:24px;font-weight:700;color:var(--text);letter-spacing:-.02em;margin-bottom:6px}.tool-heading p{font-size:13px;color:var(--text-muted);font-weight:300;letter-spacing:.01em}.legal-body{font-size:14px;line-height:1.75;color:var(--text)}.legal-body section{margin-bottom:36px}.legal-body h2{font-family:Outfit,sans-serif;font-size:16px;font-weight:600;color:var(--text);margin-bottom:10px;margin-top:0}.legal-body h3{font-family:Outfit,sans-serif;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px;margin-top:16px}.legal-body p{margin-bottom:10px;color:var(--text-secondary, var(--text))}.legal-body ul{padding-left:20px;margin-bottom:10px}.legal-body li{margin-bottom:6px}.legal-body a{color:var(--flesh-mid);text-decoration:none}.legal-body a:hover{text-decoration:underline}.legal-body em{font-style:italic}.tool-card{background:var(--cream-card);border:1px solid rgba(74,140,42,.08);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:20px;animation:fadeUp .5s ease both}.tool-field{display:flex;flex-direction:column;gap:8px}.tool-label{font-size:10px;color:var(--flesh-mid);letter-spacing:.1em;text-transform:uppercase;font-weight:500}.tool-label-optional{text-transform:none;letter-spacing:0;color:var(--text-muted);font-size:10px}.tool-hint{font-size:10px;color:var(--text-muted);letter-spacing:.02em;margin-top:2px}.tool-select{width:100%;background:#fff;border:1.5px solid rgba(74,140,42,.14);border-radius:var(--radius-sm);padding:12px 36px 12px 14px;font-family:Outfit,sans-serif;font-size:13px;color:var(--text);outline:none;transition:border-color var(--transition);cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236a7d56' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}.tool-select:focus{border-color:var(--flesh-mid);box-shadow:0 0 0 4px #4a8c2a0f}.tool-input-sm{width:120px;background:#fff;border:1.5px solid rgba(74,140,42,.14);border-radius:var(--radius-sm);padding:10px 14px;font-family:Outfit,sans-serif;font-size:13px;color:var(--text);outline:none;transition:border-color var(--transition)}.tool-input-sm:focus{border-color:var(--flesh-mid);box-shadow:0 0 0 4px #4a8c2a0f}.tool-textarea-sm,.tool-textarea-lg{width:100%;background:#fff;border:1.5px solid rgba(74,140,42,.14);border-radius:var(--radius-sm);padding:14px 16px;font-family:Outfit,sans-serif;font-size:13px;font-weight:300;color:var(--text);outline:none;transition:border-color var(--transition);resize:vertical;line-height:1.6;caret-color:var(--flesh-mid)}.tool-textarea-sm::placeholder,.tool-textarea-lg::placeholder{color:#6a7d5659}.tool-textarea-sm:focus,.tool-textarea-lg:focus{border-color:var(--flesh-mid);box-shadow:0 0 0 4px #4a8c2a0f}.tool-error{font-size:12px;color:#c04030;background:#c040300f;border:1px solid rgba(192,64,48,.12);border-radius:var(--radius-sm);padding:10px 14px;letter-spacing:.01em}.tool-btn-primary{background:var(--flesh-mid);border:none;border-radius:var(--radius-sm);padding:13px 22px;font-family:Outfit,sans-serif;font-size:13px;font-weight:600;color:#fff;cursor:pointer;transition:all var(--transition);box-shadow:0 3px 12px #4a8c2a2e;align-self:flex-start}.tool-btn-primary:hover{background:var(--flesh-deep);transform:translateY(-2px);box-shadow:0 5px 18px #4a8c2a38}.tool-btn-primary:disabled{background:#4a8c2a2e;cursor:not-allowed;transform:none;box-shadow:none;color:var(--text-muted)}.tool-btn-secondary{background:transparent;border:1.5px solid rgba(74,140,42,.14);border-radius:var(--radius-sm);padding:11px 18px;font-family:Outfit,sans-serif;font-size:12px;font-weight:500;color:var(--text-mid);cursor:pointer;transition:all var(--transition)}.tool-btn-secondary:hover{border-color:#4a8c2a47;color:var(--text);background:#4a8c2a08}.tool-btn-danger{background:transparent;border:1.5px solid rgba(192,60,60,.22);border-radius:var(--radius-sm);padding:11px 18px;font-family:Outfit,sans-serif;font-size:12px;font-weight:500;color:#b43c3c;cursor:pointer;transition:all var(--transition)}.tool-btn-danger:hover{border-color:#b43c3c66;background:#b43c3c0a}[data-theme=dark] .tool-btn-danger{color:#e07070;border-color:#e0707040}[data-theme=dark] .tool-btn-danger:hover{border-color:#e0707066;background:#e070700f}.restart-warning{font-size:12px;color:#b43c3c;margin:0 0 4px;line-height:1.5}[data-theme=dark] .restart-warning{color:#e07070}.settings-toggle{position:relative;width:44px;height:26px;border-radius:var(--radius-pill);background:#4a8c2a24;border:none;cursor:pointer;flex-shrink:0;transition:background var(--transition);padding:0}.settings-toggle.on{background:var(--flesh-mid)}.settings-toggle-knob{position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 4px #00000026;transition:left var(--transition)}.settings-toggle.on .settings-toggle-knob{left:21px}.meet-page{max-width:720px;margin:0 auto;padding:0 20px 60px}.anim-fade-up{opacity:0;animation:fadeUp .6s ease both}.meet-hero{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;padding:48px 20px 40px;animation:fadeUp .5s ease both}.meet-hero-glow{position:absolute;top:20px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(92,160,58,.15) 0%,transparent 70%);pointer-events:none;animation:pulse 4s ease-in-out infinite}.meet-hero-logo{width:80px;height:80px;border-radius:50%;object-fit:contain;position:relative;z-index:1;filter:drop-shadow(0 8px 24px rgba(92,160,58,.18));animation:float 5s ease-in-out infinite}.meet-hero-title{font-size:28px;font-weight:700;letter-spacing:-.02em;margin-top:20px;color:var(--text)}.meet-hero-tagline{font-size:15px;color:var(--text-muted);line-height:1.6;margin-top:10px;max-width:420px}.meet-section-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--flesh-mid);margin-bottom:20px}.meet-story{background:var(--cream-card);border:1px solid rgba(92,160,58,.08);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:32px;margin-bottom:24px}.meet-story-text{font-size:14px;color:var(--text-muted);line-height:1.8;margin:0 0 14px}.meet-story-text:last-of-type{margin-bottom:0}.meet-values{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:24px}.meet-value-card{background:var(--cream-card);border:1px solid rgba(92,160,58,.08);border-radius:var(--radius-md);box-shadow:var(--shadow-card);padding:24px 20px;text-align:center;transition:transform var(--transition),box-shadow var(--transition)}.meet-value-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}.meet-value-icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--radius-sm);background:#5ca03a14;color:var(--flesh-mid);margin-bottom:14px}.meet-value-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px}.meet-value-desc{font-size:12.5px;color:var(--text-muted);line-height:1.65}.meet-steps-section{background:var(--cream-card);border:1px solid rgba(92,160,58,.08);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:32px}.meet-steps{display:flex;flex-direction:column;gap:0}.meet-step{display:flex;gap:18px;align-items:flex-start;padding:18px 0;border-bottom:1px solid rgba(92,160,58,.06)}.meet-step:first-child{padding-top:0}.meet-step:last-child{border-bottom:none;padding-bottom:0}.meet-step-num{flex-shrink:0;width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--flesh-mid),var(--flesh-deep));color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:1px}.meet-step-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:6px}.meet-step-desc{font-size:13.5px;color:var(--text-muted);line-height:1.7}.meet-link{color:var(--flesh-mid);text-decoration:none}.meet-link:hover{text-decoration:underline}[data-theme=dark] .meet-story,[data-theme=dark] .meet-steps-section,[data-theme=dark] .meet-value-card{background:var(--card-bg);border-color:#ffffff0f;box-shadow:0 2px 16px #00000040}[data-theme=dark] .meet-value-card:hover{box-shadow:0 8px 32px #00000059}[data-theme=dark] .meet-value-icon{background:#8cb8621a}[data-theme=dark] .meet-hero-glow{background:radial-gradient(circle,rgba(140,184,98,.1) 0%,transparent 70%)}[data-theme=dark] .meet-step{border-bottom-color:#ffffff0d}@media (max-width: 768px){.meet-page{padding:0 14px 48px}.meet-hero{padding:32px 12px 28px}.meet-hero-logo{width:64px;height:64px}.meet-hero-title{font-size:24px}.meet-values{grid-template-columns:1fr;gap:12px}.meet-story,.meet-steps-section{padding:24px 20px}}.settings-unified-card{padding:0;gap:0;margin-bottom:24px}.settings-section{padding:22px 26px;border-bottom:1px solid rgba(74,140,42,.06)}.settings-section:last-child{border-bottom:none}.settings-toast{background:#4a8c2a1a;border:1px solid var(--flesh-mid);border-radius:var(--radius-sm);padding:10px 16px;margin-bottom:16px;font-size:13px;color:var(--flesh-mid)}.settings-account-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.settings-account-name{font-size:17px;font-weight:600;color:var(--text);margin-bottom:2px}.settings-account-sub{font-size:13px;color:var(--text-muted)}.settings-inline-field{margin-top:14px;padding-top:14px;border-top:1px solid rgba(74,140,42,.06)}.settings-btn-sm{padding:6px 14px;font-size:12px;flex-shrink:0}.settings-cta-btn{display:block;width:100%;padding:12px;margin-top:14px;background:transparent;border:1.5px solid rgba(74,140,42,.12);border-radius:var(--radius-sm);text-align:center;font-size:14px;font-weight:500;color:var(--text);text-decoration:none;transition:all var(--transition);font-family:Outfit,sans-serif}.settings-cta-btn:hover{border-color:#4a8c2a47;background:#4a8c2a08}.settings-sub-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.settings-sub-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.settings-field-error{width:100%;font-size:12px;color:var(--error, #c0392b)}.settings-referral-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.settings-referral-col{display:flex;flex-direction:column;gap:6px}.settings-field-hint{font-size:12px;color:var(--text-muted)}.settings-device-list{display:flex;flex-direction:column;gap:0}.settings-device-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px solid rgba(74,140,42,.05)}.settings-device-row:last-child{border-bottom:none}.settings-device-info{display:flex;align-items:center;gap:12px}.settings-device-name{font-size:13px;color:var(--text);display:flex;align-items:center;gap:8px}.settings-device-badge{font-size:10px;padding:2px 8px;border-radius:var(--radius-pill);background:#4a8c2a1a;color:var(--flesh-mid);font-weight:500}.settings-device-seen{font-size:12px;color:var(--text-muted)}.settings-name-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:8px}.settings-name-value{display:flex;align-items:center;gap:12px}.settings-name-value span{font-size:15px;font-weight:500;color:var(--text)}.settings-name-edit-btn{background:none;border:none;font-size:12px;font-weight:500;color:var(--flesh-mid);cursor:pointer;padding:0;font-family:Outfit,sans-serif;text-decoration:underline;text-underline-offset:2px}.settings-name-edit-row{display:flex;align-items:center;gap:8px}.settings-name-input{flex:1;max-width:240px;padding:8px 12px;border:1.5px solid rgba(74,140,42,.14);border-radius:8px;font-size:13px;font-family:Outfit,sans-serif;background:transparent;color:var(--text);outline:none}.settings-name-input:focus{border-color:var(--flesh-mid)}.settings-footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding-top:8px}.settings-footer-heading{font-size:13px;font-weight:600;color:var(--text);margin-bottom:14px}.settings-footer-links{display:flex;flex-direction:column;gap:10px}.settings-footer-link{font-size:13px;color:var(--text-muted);text-decoration:none;transition:color .15s}.settings-footer-link:hover{color:var(--text)}.settings-footer-text{font-size:13px;color:var(--text-muted)}[data-theme=dark] .settings-section{border-bottom-color:#323c34}[data-theme=dark] .settings-inline-field{border-top-color:#323c34}[data-theme=dark] .settings-name-input{border-color:#323c34}[data-theme=dark] .settings-name-input:focus{border-color:#90bc66}[data-theme=dark] .settings-device-row{border-bottom-color:#323c34}[data-theme=dark] .settings-cta-btn{background:#ffffff05;border-color:#323c34;color:var(--text)}[data-theme=dark] .settings-cta-btn:hover{border-color:#90bc664d;background:#90bc660a}@media (max-width: 560px){.settings-referral-grid{grid-template-columns:1fr}.settings-device-info{flex-direction:column;align-items:flex-start;gap:2px}}.tool-loading{display:flex;flex-direction:column;align-items:center;gap:14px;padding:60px 20px;color:var(--text-muted);font-size:13px;letter-spacing:.02em;animation:fadeIn .3s ease both}.difficulty-btns{display:flex;gap:8px}.diff-btn{padding:9px 20px;border-radius:var(--radius-pill);font-family:Outfit,sans-serif;font-size:12px;font-weight:500;cursor:pointer;transition:all var(--transition);background:#fff;border:1.5px solid rgba(74,140,42,.12);color:var(--text-muted)}.diff-btn:hover{color:var(--text);border-color:#4a8c2a40}.diff-btn.active{color:#fff;border-color:transparent}.diff-btn.diff-easy.active{background:var(--flesh-mid)}.diff-btn.diff-medium.active{background:var(--pit-warm)}.diff-btn.diff-hard.active{background:var(--pit)}.practice-flow{display:flex;flex-direction:column;gap:20px;animation:fadeUp .4s ease both}.practice-meta{display:flex;align-items:center;gap:10px}.practice-badge{font-size:10px;color:var(--flesh-mid);background:#4a8c2a0f;border:1px solid rgba(74,140,42,.1);border-radius:var(--radius-pill);padding:4px 12px;letter-spacing:.06em;font-weight:500}.diff-badge{font-size:10px;border-radius:var(--radius-pill);padding:4px 12px;letter-spacing:.06em;font-weight:500}.diff-badge.diff-easy{color:var(--flesh-mid);background:#4a8c2a0f;border:1px solid rgba(74,140,42,.1)}.diff-badge.diff-medium{color:var(--pit-warm);background:#c0732a0f;border:1px solid rgba(192,115,42,.14)}.diff-badge.diff-hard{color:var(--pit);background:#6b3d180f;border:1px solid rgba(107,61,24,.12)}.practice-block{background:var(--cream-card);border:1px solid rgba(74,140,42,.08);border-radius:var(--radius-md);padding:22px 26px;box-shadow:0 1px 6px #1a3a0808}.practice-block-feedback{border-color:#4a8c2a24;background:#fafcf4}.practice-block-label{font-size:9px;color:var(--text-muted);letter-spacing:.12em;text-transform:uppercase;font-weight:500;margin-bottom:12px}.practice-content{font-size:14px;line-height:1.8;color:var(--text);font-weight:300}.practice-textarea{width:100%;background:#fff;border:1.5px solid rgba(74,140,42,.14);border-radius:var(--radius-sm);padding:14px 16px;font-family:Outfit,sans-serif;font-size:14px;font-weight:300;color:var(--text);outline:none;transition:border-color var(--transition);resize:vertical;line-height:1.7;caret-color:var(--flesh-mid);margin-bottom:14px;display:block}.practice-textarea::placeholder{color:#6a7d5659}.practice-textarea:focus{border-color:var(--flesh-mid);box-shadow:0 0 0 4px #4a8c2a0f}.practice-answer-readonly{font-size:14px;line-height:1.7;color:var(--text-mid);font-weight:300;white-space:pre-wrap}.practice-actions{display:flex;gap:10px;align-items:center;justify-content:flex-end;margin-top:4px}.practice-image-label{font-size:12px;color:var(--text-mid);margin:14px 0 6px}.practice-answer-image img{max-width:100%;border-radius:var(--radius-sm);border:1px solid rgba(74,140,42,.08)}.image-drop-zone{border:2px dashed rgba(74,140,42,.2);border-radius:var(--radius-md);background:#fff;min-height:100px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition);overflow:hidden}.image-drop-zone:hover{border-color:var(--flesh-mid);background:#4a8c2a05}.image-drop-zone.dragging{border-color:var(--flesh-mid);background:#4a8c2a0a;box-shadow:0 0 0 4px #4a8c2a0f}.image-drop-zone.has-image{cursor:default;min-height:unset;border-style:solid;border-color:#4a8c2a1f}.image-drop-prompt{display:flex;flex-direction:column;align-items:center;gap:8px;padding:28px;color:var(--text-muted);text-align:center}.image-drop-prompt svg{opacity:.4}.image-drop-prompt span{font-size:12px;letter-spacing:.02em}.image-drop-hint{font-size:10px!important;color:#6a7d5673!important}.image-preview{position:relative;width:100%}.image-preview img{width:100%;max-height:320px;object-fit:contain;display:block;border-radius:var(--radius-sm)}.image-remove{position:absolute;top:8px;right:8px;width:28px;height:28px;border-radius:50%;background:#14191699;border:none;color:#fff;font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}.image-remove:hover{background:#141916d9}.question-pages-wrap{display:flex;flex-direction:column;gap:8px}.question-page-item{position:relative;border-radius:var(--radius-sm);overflow:hidden;border:1px solid rgba(74,140,42,.08)}.question-page-item img{display:block;max-width:100%;border-radius:var(--radius-sm)}.question-page-badge{position:absolute;top:8px;left:8px;font-size:10px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;background:#00000080;color:#fff;padding:3px 8px;border-radius:var(--radius-pill)}.add-page-btn{align-self:flex-start;margin-top:4px;padding:7px 16px;border-radius:var(--radius-pill);border:1.5px dashed rgba(74,140,42,.25);background:transparent;color:var(--flesh-mid);font-size:12px;font-weight:500;cursor:pointer;transition:all var(--transition)}.add-page-btn:hover{border-color:var(--flesh-mid);background:#4a8c2a0a}.er-originals{display:flex;flex-direction:column;gap:12px}.er-original-text{font-size:14px;line-height:1.7;color:var(--text-mid);font-weight:300;white-space:pre-wrap}.er-image-thumb{display:flex;flex-direction:column;gap:8px}.er-image-thumb img{max-width:100%;border-radius:var(--radius-sm);border:1px solid rgba(74,140,42,.08)}[data-theme=dark] .tool-nav-card{background:#222a24;border-color:#323c34}[data-theme=dark] .tool-nav-card:hover{border-color:#90bc6638}[data-theme=dark] .tool-nav-icon{background:#90bc660f;border-color:#323c34}[data-theme=dark] .tool-card,[data-theme=dark] .practice-block{background:#222a24;border-color:#323c34}[data-theme=dark] .practice-block-feedback{background:#283028;border-color:#323c34}[data-theme=dark] .tool-select,[data-theme=dark] .tool-input-sm,[data-theme=dark] .tool-textarea-sm,[data-theme=dark] .tool-textarea-lg,[data-theme=dark] .practice-textarea{background:#222a24;border-color:#323c34;color:var(--text)}[data-theme=dark] .diff-btn,[data-theme=dark] .image-drop-zone{background:#222a24;border-color:#323c34}[data-theme=dark] .image-drop-zone:hover{background:#283028}[data-theme=dark] .image-drop-zone.dragging{background:#283028;border-color:#90bc664d}.app-shell{height:100vh;display:flex;flex-direction:column;overflow:hidden}.app-header{display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:60px;flex-shrink:0;border-bottom:none;background:#ffffffbf;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);box-shadow:0 1px 3px #2c3a200a;z-index:20;gap:12px}.app-header-left{display:flex;align-items:center;gap:12px}.app-header-right{display:flex;align-items:center;gap:10px}.panel-toggle-header{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:1.5px solid rgba(74,140,42,.12);border-radius:var(--radius-sm);background:transparent;color:var(--text-muted);cursor:pointer;transition:all var(--transition);flex-shrink:0}.panel-toggle-header:hover{background:#4a8c2a0f;color:var(--flesh-mid);border-color:#4a8c2a38}.panel-toggle-header.active{background:#4a8c2a14;color:var(--flesh-mid);border-color:#4a8c2a40}.auth-user{display:flex;align-items:center;gap:8px}.auth-email{font-size:11px;color:var(--text-muted);font-family:Outfit,sans-serif;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-body{flex:1;display:flex;overflow:hidden;min-height:0}.side-panel{flex-shrink:0;overflow:hidden;position:relative;transition:width .28s cubic-bezier(.4,0,.2,1);background:var(--cream-card);cursor:pointer}.side-left{width:14px;border-right:1px solid rgba(74,140,42,.08);background:linear-gradient(to right,var(--cream-card),rgba(74,140,42,.02))}.side-right{width:8px;border-left:1px solid rgba(74,140,42,.08);background:linear-gradient(to left,var(--cream-card),rgba(74,140,42,.02))}.side-left:after,.side-right:after{content:"";position:absolute;top:50%;width:3px;height:32px;margin-top:-16px;border-radius:var(--radius-pill);background:#4a8c2a2e;transition:opacity .2s;pointer-events:none}.side-left:after{right:4px}.side-right:after{left:2px}.side-left.open:after,.side-left.peeking:after,.side-right.open:after,.side-right.peeking:after{opacity:0}.side-left.peeking,.side-left.open{width:264px;cursor:default}.side-right.peeking,.side-right.open{width:300px;cursor:default}.side-left.open{border-right-color:#4a8c2a1a;background:var(--cream-card)}.side-right.open{border-left-color:#4a8c2a1a;background:var(--cream-card)}.panel-inner{height:100%;overflow-y:auto;display:flex;flex-direction:column;gap:0}.panel-inner-left{width:264px;padding:18px 14px}.panel-inner-right{width:300px;padding:0}.panel-section{display:flex;flex-direction:column;gap:2px}.panel-section-label{font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);padding:2px 8px 8px;font-family:Outfit,sans-serif}.panel-divider{height:1px;background:#4a8c2a0f;margin:14px 0}.tool-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);font-size:13px;color:var(--text-mid);text-decoration:none;transition:all .16s;cursor:pointer;border:none;background:transparent;font-family:Outfit,sans-serif;font-weight:400;text-align:left;width:100%}.tool-link:hover{background:#4a8c2a0f;color:var(--text)}.tool-link.current{background:#4a8c2a1a;color:var(--flesh-mid);font-weight:500}.tool-icon{display:flex;align-items:center;justify-content:center;width:18px;color:var(--text-muted);flex-shrink:0}.lesson-nav{display:flex;flex-direction:column;gap:4px;flex:1;min-height:0}.lesson-nav-header{display:flex;align-items:center;justify-content:space-between;padding:0 8px 8px}.lesson-nav-header>span{font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);font-family:Outfit,sans-serif}.year-tabs{display:flex;gap:2px;background:#4a8c2a0f;border-radius:var(--radius-pill);padding:3px}.year-tab{padding:4px 12px;border-radius:var(--radius-pill);border:none;cursor:pointer;font-size:11px;font-family:Outfit,sans-serif;color:var(--text-muted);background:transparent;transition:all .16s}.year-tab.active{background:var(--flesh-mid);color:#fff}.year-tab:hover:not(.active){background:#4a8c2a14;color:var(--text)}.module-list{display:flex;flex-direction:column;gap:2px;overflow-y:auto;flex:1}.module-header-btn{display:flex;align-items:center;gap:8px;width:100%;padding:9px 10px;border:none;border-radius:var(--radius-sm);background:transparent;cursor:pointer;text-align:left;transition:background .16s;color:var(--text)}.module-header-btn:hover{background:#4a8c2a0d}.module-header-btn.open{background:#4a8c2a12}.mod-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}.mod-label{flex:1;display:flex;flex-direction:column;gap:1px;min-width:0}.mod-num{font-size:9px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--mod-color, var(--flesh-mid));font-family:Outfit,sans-serif}.mod-title{font-size:11px;color:var(--text-mid);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-family:Outfit,sans-serif}.mod-chevron{flex-shrink:0;color:var(--text-muted);transition:transform .18s}.module-header-btn.open .mod-chevron{transform:rotate(180deg)}.lesson-list{display:flex;flex-direction:column;gap:1px;padding:2px 0 4px 22px}.lesson-btn{display:block;width:100%;padding:7px 10px;text-align:left;border:none;border-radius:8px;cursor:pointer;font-size:11.5px;font-family:Outfit,sans-serif;color:var(--text-mid);background:transparent;transition:all .15s;line-height:1.4}.lesson-btn:hover{background:#4a8c2a12;color:var(--flesh-mid)}.chat-center{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden;position:relative;transition:background .2s}.chat-center.drag-over{background:#4a8c2a08}.chat-center.drag-over:after{content:"Drop image to attach";position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--flesh-mid);border:2px dashed rgba(74,140,42,.3);border-radius:var(--radius-md);margin:16px;pointer-events:none;font-family:Outfit,sans-serif}.image-previews{display:flex;flex-wrap:wrap;gap:8px;padding:8px 18px 0}.image-preview-item{position:relative;width:72px;height:72px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid rgba(74,140,42,.15);flex-shrink:0}.image-preview-item img{width:100%;height:100%;object-fit:cover;display:block}.image-remove-btn{position:absolute;top:3px;right:3px;width:20px;height:20px;border-radius:50%;background:#00000080;color:#fff;border:none;cursor:pointer;font-size:12px;line-height:1;display:flex;align-items:center;justify-content:center;transition:background .15s}.image-remove-btn:hover{background:#b41e1ecc}.attach-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;flex-shrink:0;border:none;background:transparent;cursor:pointer;color:var(--text-muted);border-radius:8px;transition:all .16s}.attach-btn:hover{background:#4a8c2a0f;color:var(--flesh-mid)}.attach-btn:disabled{opacity:.4;cursor:not-allowed}.chat-images{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}.chat-image{max-width:280px;max-height:220px;border-radius:var(--radius-sm);object-fit:contain;border:1px solid rgba(74,140,42,.08)}.formula-sheet{padding:18px 14px 24px;display:flex;flex-direction:column;gap:0}.fs-title{font-family:Outfit,sans-serif;font-size:15px;font-weight:600;color:var(--skin);margin-bottom:2px}.fs-subtitle{font-size:10px;color:var(--text-muted);letter-spacing:.08em;text-transform:uppercase;font-family:Outfit,sans-serif;margin-bottom:14px}.fs-section{margin-bottom:14px}.fs-section-title{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--flesh-mid);font-family:Outfit,sans-serif;padding:6px 0 5px;border-bottom:1px solid rgba(74,140,42,.08);margin-bottom:6px}.fs-row{display:flex;justify-content:space-between;align-items:baseline;gap:8px;padding:2px 0}.fs-label{font-size:11px;color:var(--text-muted);font-family:Outfit,sans-serif;flex-shrink:0}.fs-value{font-size:11px;color:var(--text);font-family:Outfit,sans-serif;text-align:right}.fs-note{font-size:10px;color:var(--text-muted);font-family:Outfit,sans-serif;padding:6px 0 4px;font-style:italic}.fs-table{display:flex;flex-direction:column;gap:1px;margin-top:4px}.fs-table-head{display:grid;grid-template-columns:1fr auto;gap:8px;padding:3px 4px}.fs-table-head span{font-size:10px;font-weight:700;color:var(--text-muted);font-family:Outfit,sans-serif;text-transform:uppercase;letter-spacing:.06em}.fs-table-row{display:grid;grid-template-columns:1fr auto;gap:8px;padding:3px 4px;border-radius:4px}.fs-table-row:nth-child(2n){background:#4a8c2a08}.fs-table-row span{font-size:10.5px;color:var(--text);font-family:Outfit,sans-serif}.fs-table-row span:last-child{text-align:right;color:var(--flesh-deep);font-weight:500;white-space:nowrap}.fs-link{display:block;padding:7px 0;font-size:11px;color:var(--flesh-mid);font-family:Outfit,sans-serif;text-decoration:none;border-bottom:1px solid rgba(74,140,42,.06);transition:color .15s}.fs-link:hover{color:var(--flesh-deep)}[data-theme=dark] .app-header{background:#1c221e;box-shadow:0 1px #2a3228}[data-theme=dark] .side-panel{background:#1c221e}[data-theme=dark] .panel-toggle-header{border-color:#2a3228}[data-theme=dark] .panel-toggle-header:hover,[data-theme=dark] .panel-toggle-header.active{background:#283028;color:#90bc66}[data-theme=dark] .tool-link:hover{background:#283028}[data-theme=dark] .tool-link.current{background:#283028;color:#90bc66}[data-theme=dark] .module-header-btn:hover,[data-theme=dark] .module-header-btn.open{background:#283028}[data-theme=dark] .year-tab.active{background:#90bc66;color:#11130f}[data-theme=dark] .year-tabs{background:#283028}[data-theme=dark] .lesson-btn:hover{background:#283028;color:#90bc66}[data-theme=dark] .lesson-item.in-progress .lesson-name{color:#c8873a}[data-theme=dark] .lesson-item.in-progress .lesson-dot{background:#c8873a}[data-theme=dark] .fs-table-row:nth-child(2n){background:#ffffff08}[data-theme=dark] .side-left{border-right-color:#2a3228;background:#1c221e}[data-theme=dark] .side-right{border-left-color:#2a3228;background:#1c221e}[data-theme=dark] .side-left.open,[data-theme=dark] .side-right.open{background:#1c221e}[data-theme=dark] .side-left:after,[data-theme=dark] .side-right:after{background:#ffffff1a}.feedback-fab{position:fixed;bottom:20px;right:20px;z-index:200;display:flex;align-items:center;gap:7px;background:var(--flesh-mid);color:#fff;border:none;border-radius:var(--radius-pill);padding:10px 18px;font-family:Outfit,sans-serif;font-size:12px;font-weight:500;cursor:pointer;box-shadow:0 4px 18px #4a8c2a47;transition:all var(--transition)}.feedback-fab:hover{background:var(--flesh-deep);transform:translateY(-2px);box-shadow:0 6px 22px #4a8c2a59}.feedback-panel{position:fixed;bottom:68px;right:20px;z-index:201;width:300px;background:var(--cream-card);border:1px solid rgba(74,140,42,.1);border-radius:var(--radius-lg);box-shadow:var(--shadow-float);animation:feedbackSlideUp .2s ease both}@keyframes feedbackSlideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.feedback-panel-header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px 0;font-size:14px;font-weight:600;color:var(--text)}.feedback-panel-close{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:2px;display:flex;align-items:center;transition:color .15s}.feedback-panel-close:hover{color:var(--text)}.feedback-panel-form{display:flex;flex-direction:column;gap:10px;padding:14px 18px 18px}.feedback-textarea{width:100%;box-sizing:border-box;background:#f5f2e899;border:1.5px solid rgba(74,140,42,.12);border-radius:var(--radius-sm);padding:12px 14px;font-family:Outfit,sans-serif;font-size:13px;font-weight:400;color:var(--text);outline:none;resize:none;line-height:1.55;caret-color:var(--flesh-mid);transition:border-color var(--transition)}.feedback-textarea::placeholder{color:#6a7d5659}.feedback-textarea:focus{border-color:var(--flesh-mid);box-shadow:0 0 0 4px #4a8c2a0f}.feedback-categories{display:flex;gap:6px;flex-wrap:wrap}.feedback-chip{background:transparent;border:1.5px solid rgba(74,140,42,.14);border-radius:var(--radius-pill);padding:5px 13px;font-family:Outfit,sans-serif;font-size:11px;font-weight:500;color:var(--text-mid);cursor:pointer;transition:all .15s}.feedback-chip:hover{border-color:#4a8c2a4d;color:var(--text)}.feedback-chip.active{background:var(--flesh-mid);border-color:var(--flesh-mid);color:#fff}.feedback-panel-thanks{padding:22px 18px 24px;font-size:13px;color:var(--flesh-mid);text-align:center}[data-theme=dark] .feedback-panel{background:#1c221e;border-color:#323c34}[data-theme=dark] .feedback-textarea{background:#222a24;border-color:#323c34;color:var(--text)}[data-theme=dark] .feedback-textarea:focus{border-color:#90bc66}.panel-backdrop{display:none}@media (max-width: 768px){.side-panel{position:fixed;top:0;height:100vh;z-index:200;overflow:hidden;transition:width .25s ease,box-shadow .25s ease;border:none}.side-left{left:0;width:0;background:var(--cream-card)}.side-right{right:0;width:0;background:var(--cream-card)}.side-left.peeking,.side-right.peeking{width:0}.year-toggle{display:none}.side-left.open{width:280px;box-shadow:4px 0 32px #00000026}.side-right.open{width:300px;box-shadow:-4px 0 32px #00000026}.side-left:after,.side-right:after{display:none}[data-theme=dark] .side-left,[data-theme=dark] .side-right{background:#1c221e}.panel-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;z-index:199;opacity:0;pointer-events:none;transition:opacity .25s ease}.panel-backdrop.visible{opacity:1;pointer-events:auto}header{padding:10px 16px}.lesson-badge-topic{max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.phase-bar{padding:8px 16px}.phase-bar-inner{gap:12px}.progress-label{display:none}.header-auth-btn{white-space:nowrap}.input-area{padding:10px 14px 18px}.input-hint{display:none}.continue-bar{padding:6px 12px 0}.continue-btn{font-size:12px;padding:8px 14px}.lesson-select-header{padding:16px 20px}.main-content{padding:32px 20px 48px}.auth-email,.app-header-right .panel-toggle-header{display:none}}.pricing-shell{min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--text)}.pricing-header{display:flex;align-items:center;justify-content:space-between;padding:0 28px;height:58px;border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0}.pricing-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}.pricing-header-right{display:flex;align-items:center;gap:12px}.pricing-body{flex:1;display:flex;flex-direction:column;align-items:center;padding:72px 24px 80px;gap:52px}.pricing-intro{text-align:center;max-width:480px}.pricing-intro h1{font-size:2rem;font-weight:700;color:var(--text);margin:0 0 12px;letter-spacing:-.02em}.pricing-intro p{font-size:1rem;color:var(--text-muted);margin:0}.pricing-cards{display:flex;gap:24px;align-items:flex-start;flex-wrap:wrap;justify-content:center}.pricing-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 30px 30px;width:300px;display:flex;flex-direction:column;gap:24px;position:relative;box-shadow:var(--shadow-card);transition:transform var(--bounce),box-shadow var(--transition)}.pricing-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}.pricing-card-featured{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary),0 8px 32px #4a8c2a1f}.pricing-badge{position:absolute;top:-13px;left:50%;transform:translate(-50%);background:var(--primary);color:#fff;font-size:.7rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:4px 14px;border-radius:var(--radius-pill);white-space:nowrap}.pricing-card-header{display:flex;flex-direction:column;gap:8px}.pricing-tier-label{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--primary)}.pricing-price{display:flex;align-items:baseline;gap:6px}.pricing-amount{font-size:2.4rem;font-weight:700;color:var(--text);letter-spacing:-.03em}.pricing-period{font-size:.85rem;color:var(--text-muted)}.pricing-card-desc{font-size:.85rem;color:var(--text-muted);margin:0;line-height:1.5}.pricing-features{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}.pricing-features li{display:flex;align-items:flex-start;gap:10px;font-size:.875rem;color:var(--text);line-height:1.4}.pricing-features li svg{flex-shrink:0;margin-top:2px;color:var(--primary)}.pricing-cta{display:block;width:100%;padding:12px 0;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;text-align:center;cursor:pointer;border:none;text-decoration:none;transition:all var(--transition)}.pricing-cta-primary{background:var(--primary);color:#fff;box-shadow:0 2px 10px #4a8c2a2e}.pricing-cta-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px #4a8c2a38}.pricing-cta-primary:disabled{opacity:.55;cursor:not-allowed;transform:none}.pricing-cta-secondary{background:transparent;border:1px solid var(--border);color:var(--text)}.pricing-cta-secondary:hover{background:var(--hover-bg)}.pricing-annual-note{text-align:center;font-size:.75rem;color:var(--text-muted);margin:-12px 0 0}.pricing-footer-note{font-size:.85rem;color:var(--text-muted);text-align:center}@media (max-width: 768px){.pricing-cards{flex-direction:column;align-items:center}.pricing-card{width:100%;max-width:340px}.pricing-intro h1{font-size:1.6rem}}.file-toast{position:fixed;bottom:76px;left:50%;transform:translate(-50%);background:#1e1e1e;color:#f0f0f0;font-size:12.5px;font-weight:500;padding:10px 20px;border-radius:var(--radius-pill);white-space:nowrap;z-index:9999;pointer-events:none;animation:toastIn .18s ease both}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(6px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.flashcard-page{max-width:640px;margin:0 auto;padding:28px 16px;display:flex;flex-direction:column;align-items:center;gap:20px}.flashcard-page .tool-controls,.flashcard-page .tool-select{width:100%}.flashcard-loading{padding:48px 0;color:var(--text-muted);font-size:13px;display:flex;flex-direction:column;align-items:center;gap:14px}.flashcard-loading-dots{display:flex;gap:6px}.flashcard-loading-dots span{width:8px;height:8px;border-radius:50%;background:var(--flesh-mid);opacity:.4;animation:typingBounce 1.2s ease-in-out infinite}.flashcard-loading-dots span:nth-child(2){animation-delay:.15s}.flashcard-loading-dots span:nth-child(3){animation-delay:.3s}.flashcard-empty-state{display:flex;flex-direction:column;align-items:center;gap:14px;padding:56px 20px;color:var(--text-muted);font-size:13.5px}.flashcard-card-wrapper{width:100%;position:relative}@keyframes hintPulse{0%,to{opacity:.7;transform:translate(-50%) scale(1)}50%{opacity:1;transform:translate(-50%) scale(1.05)}}.flashcard-swipe-hint{position:absolute;bottom:-8px;left:50%;transform:translate(-50%);z-index:2;display:flex;align-items:center;gap:5px;background:var(--cream-card);border:1px solid rgba(92,160,58,.12);border-radius:var(--radius-pill);padding:6px 14px;font-size:11px;font-weight:500;color:var(--flesh-mid);box-shadow:0 4px 16px #2c3a2014;animation:hintPulse 2s ease-in-out infinite;pointer-events:none}.flashcard{width:100%;aspect-ratio:3 / 2;perspective:1200px;cursor:pointer;-webkit-user-select:none;user-select:none}.flashcard-inner{position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.23,1,.32,1)}.flashcard.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-front,.flashcard-back{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:var(--radius-lg);background:var(--cream-card);border:1.5px solid transparent;background-clip:padding-box;box-shadow:0 2px 24px #2c3a200d,0 0 0 1px #5ca03a1a,inset 0 1px #fff9;display:flex;flex-direction:column;padding:28px;overflow-y:auto;transition:box-shadow .3s ease}.flashcard:hover .flashcard-front,.flashcard:hover .flashcard-back{box-shadow:0 8px 40px #5ca03a1a,0 0 0 1.5px #5ca03a2e,inset 0 1px #fff9}.flashcard-front:before{content:"";position:absolute;top:-1px;right:-1px;bottom:-1px;left:-1px;border-radius:var(--radius-lg);background:linear-gradient(135deg,#5ca03a1f,#b8e09a0f,#d4943e14);z-index:-1;opacity:0;transition:opacity .3s ease}.flashcard:hover .flashcard-front:before{opacity:1}.flashcard-back{transform:rotateY(180deg);background:linear-gradient(175deg,var(--cream-card) 60%,rgba(184,224,154,.06))}.flashcard-side-label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--flesh-mid);opacity:.6;margin-bottom:14px}.flashcard-content{flex:1;display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1.65;text-align:center;overflow-y:auto}.flashcard-back .flashcard-content{font-size:14px;text-align:left;align-items:flex-start}.flashcard-concept{font-size:10px;color:var(--text-muted);opacity:.45;text-align:center;margin-top:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.flashcard-controls{display:flex;gap:12px;width:100%}.flashcard-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:7px;padding:14px 18px;border:1.5px solid rgba(74,140,42,.12);border-radius:var(--radius-sm);font-family:Outfit,sans-serif;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease;background:transparent;color:var(--text)}.flashcard-btn:disabled{opacity:.3;cursor:not-allowed}.flashcard-btn.review-btn{border-color:#d4943e33}.flashcard-btn.review-btn:not(:disabled):hover{background:#d4943e14;border-color:var(--pit-warm);color:var(--pit);box-shadow:0 4px 16px #d4943e1a}.flashcard-btn.review-btn:not(:disabled):active{transform:scale(.97)}.flashcard-btn.gotit-btn{border-color:#5ca03a33}.flashcard-btn.gotit-btn:not(:disabled):hover{background:#5ca03a14;border-color:var(--flesh-mid);color:var(--flesh-deep);box-shadow:0 4px 16px #5ca03a1f}.flashcard-btn.gotit-btn:not(:disabled):active{transform:scale(.97)}.flashcard-hint{font-size:11px;color:var(--text-muted);opacity:.4}.flashcard-progress-bar{width:100%;display:flex;align-items:center;gap:12px}.flashcard-progress-counts{font-size:13px;font-weight:600;white-space:nowrap;display:flex;align-items:baseline;gap:2px}.flashcard-progress-current{color:var(--flesh-mid)}.flashcard-progress-sep{color:var(--text-muted);opacity:.4;font-weight:400}.flashcard-progress-total{color:var(--text-muted);font-weight:400;font-size:12px}.flashcard-track{flex:1;height:6px;border-radius:var(--radius-pill);background:#5ca03a14;overflow:hidden}.flashcard-track-fill{height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--flesh-mid),var(--flesh-bright));transition:width .4s cubic-bezier(.23,1,.32,1);position:relative}.flashcard-track-fill:after{content:"";position:absolute;right:0;top:0;width:12px;height:100%;background:#ffffff59;border-radius:var(--radius-pill);filter:blur(2px)}.flashcard-progress-pct{font-size:11px;font-weight:600;color:var(--flesh-mid);min-width:30px;text-align:right}.flashcard-done{display:flex;flex-direction:column;align-items:center;gap:20px;padding:52px 20px;position:relative;animation:fadeUp .5s ease both}.flashcard-done-decor{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}@keyframes particleBurst{0%{opacity:0;transform:translate(0) scale(0)}30%{opacity:1;transform:translate(calc(var(--x) * .6),calc(var(--y) * .6)) scale(1)}to{opacity:0;transform:translate(var(--x),var(--y)) scale(.5)}}.done-particle{position:absolute;left:50%;top:40%;width:8px;height:8px;border-radius:50%;background:var(--flesh-mid);animation:particleBurst 1.2s ease-out var(--d, 0s) both}.done-particle:nth-child(odd){background:var(--flesh-bright);width:6px;height:6px}.done-particle:nth-child(3n){background:var(--pit-warm);width:7px;height:7px;border-radius:2px}.flashcard-done-icon{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#5ca03a1f,#b8e09a14);display:flex;align-items:center;justify-content:center;color:var(--flesh-mid);animation:popIn .4s ease both}.flashcard-done h2{font-size:22px;font-weight:700;letter-spacing:-.01em}.flashcard-done-stats{display:flex;align-items:center;gap:28px;padding:20px 32px;background:var(--cream-card);border:1px solid rgba(92,160,58,.08);border-radius:var(--radius-md);box-shadow:var(--shadow-card)}.flashcard-stat{display:flex;flex-direction:column;align-items:center;gap:4px}.flashcard-stat-divider{width:1px;height:36px;background:#5ca03a1a}.flashcard-stat--gotit .flashcard-stat-num{color:var(--flesh-mid)}.flashcard-stat--review .flashcard-stat-num{color:var(--pit-warm)}.flashcard-stat-num{font-size:32px;font-weight:700;line-height:1}.flashcard-stat-label{font-size:11px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.flashcard-done-pct{display:flex;flex-direction:column;align-items:center;gap:2px}.flashcard-done-pct-num{font-size:18px;font-weight:700;color:var(--flesh-mid)}.flashcard-done-pct-label{font-size:11px;color:var(--text-muted)}.flashcard-restart-btn{display:flex;align-items:center;justify-content:center;gap:7px;padding:12px 28px;background:linear-gradient(135deg,var(--flesh-mid),var(--flesh-deep));color:#fff;border:none;border-radius:var(--radius-pill);font-family:Outfit,sans-serif;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 16px #5ca03a33;margin-top:4px}.flashcard-restart-btn:hover{transform:translateY(-1px);box-shadow:0 6px 24px #5ca03a47}.flashcard-restart-btn:active{transform:translateY(0)}[data-theme=dark] .flashcard-front,[data-theme=dark] .flashcard-back{background:var(--card-bg);box-shadow:0 2px 20px #0000004d,0 0 0 1px #8cb86214,inset 0 1px #ffffff08}[data-theme=dark] .flashcard:hover .flashcard-front,[data-theme=dark] .flashcard:hover .flashcard-back{box-shadow:0 8px 40px #0006,0 0 0 1.5px #8cb86226,inset 0 1px #ffffff08}[data-theme=dark] .flashcard-back{background:linear-gradient(175deg,var(--card-bg) 60%,rgba(140,184,98,.04))}[data-theme=dark] .flashcard-btn{border-color:#ffffff14;color:var(--text)}[data-theme=dark] .flashcard-btn.review-btn{border-color:#d4943e26}[data-theme=dark] .flashcard-btn.gotit-btn{border-color:#8cb86226}[data-theme=dark] .flashcard-track{background:#ffffff0f}[data-theme=dark] .flashcard-done-stats{background:var(--card-bg);border-color:#ffffff0f;box-shadow:0 2px 16px #00000040}[data-theme=dark] .flashcard-stat-divider{background:#ffffff0f}[data-theme=dark] .flashcard-swipe-hint{background:var(--card-bg);border-color:#8cb8621f;box-shadow:0 4px 16px #0000004d}[data-theme=dark] .flashcard-restart-btn{box-shadow:0 4px 16px #0000004d}@media (max-width: 768px){.flashcard-page{padding:16px 12px}.flashcard{aspect-ratio:4 / 3}.flashcard-front,.flashcard-back{padding:20px}.flashcard-content{font-size:15px}.flashcard-btn{min-height:48px;font-size:14px}.flashcard-done-stats{padding:16px 24px;gap:20px}.flashcard-stat-num{font-size:26px}}