@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,math,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:"0.19.1"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;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 .katex-vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .katex-thinbox{display:inline-flex;flex-direction:row;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 .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .katex-hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.katex-root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{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 .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{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 .katex-stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .katex-stretchy:after,.katex .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 .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 .reflectbox{display:inline-block;transform:scaleX(-1)}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{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>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}:root{--motion-snap: cubic-bezier(.2,.9,.25,1);--motion-settle: cubic-bezier(.16,1,.3,1);--motion-ink: cubic-bezier(.3,0,.15,1);--motion-stamp: cubic-bezier(.2,1.25,.35,1)}.product-select{display:block;min-width:0;width:100%}.select-trigger{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:48px;padding:11px 14px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);font:inherit;text-align:left;cursor:pointer}.select-trigger.compact-select{background-image:none;padding-right:14px}.select-trigger>svg{flex:none;transform:rotate(90deg);transition:transform .18s var(--ease)}.select-trigger[aria-expanded=true]>svg{transform:rotate(-90deg)}.select-trigger:focus-visible,.product-segments label:has(:focus-visible){outline:3px solid var(--accent-deep);outline-offset:3px}.select-popup{position:fixed;z-index:10000;overflow-y:auto;padding:6px;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--text);box-shadow:0 16px 40px #24282024;animation:menu-arrive .16s var(--ease)}.select-popup [role=option]{display:flex;align-items:center;justify-content:space-between;min-height:44px;gap:16px;padding:10px 12px;border-radius:9px;font-size:14px;cursor:pointer}.select-popup [role=option].highlighted{background:var(--soft)}.select-popup [aria-selected=true]{background:var(--accent);color:#121510!important;font-weight:700}.select-popup [aria-disabled=true]{opacity:.5;cursor:not-allowed}.product-segments{display:flex;flex-wrap:wrap;gap:5px;padding:5px;border-radius:14px;background:var(--soft)}.product-segments label{position:relative;flex:1;min-width:100px;min-height:44px;display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 10px;border-radius:10px;font-size:14px;cursor:pointer}.product-segments input{position:absolute;width:1px;height:1px;opacity:0}.product-segments .selected{color:#121510!important;background:var(--accent);font-weight:700}.active-plate{position:absolute!important;inset:0;border-radius:inherit;z-index:1!important;background:transparent;pointer-events:none;margin:0;padding:0;box-shadow:inset 0 0 0 2px var(--accent),0 5px 12px #24282022}.desktop-nav a,.bottom-nav a,.subject-filters button,.mode-choices label,.truth-grid .answer-card{position:relative;isolation:isolate}:is(.desktop-nav a,.bottom-nav a,.subject-filters button,.mode-choices label,.truth-grid .answer-card)>:not(.active-plate){position:relative!important;z-index:2!important}.bottom-nav a.active>:not(.active-plate){color:#121510!important}.bottom-nav a.active svg{color:#121510!important;stroke:#121510!important;fill:currentColor;position:relative!important;z-index:2!important}html[data-motion-effective=enhanced] :is(.desktop-nav a.active,.subject-filters button[aria-pressed=true]){background:var(--text)}.bottom-nav a.active{background:var(--accent)}.bottom-nav .active-plate{background:var(--accent);z-index:1!important}html[data-motion-effective=enhanced] .search-field{transition:transform .22s var(--ease),border-color .16s;transform-origin:right center}html[data-motion-effective=enhanced] .search-field:focus-within{transform:scale(1.025);border-color:var(--accent-deep);box-shadow:0 0 0 4px #d7f86b35}html[data-motion-effective=standard] [data-pressing=true]{scale:.98;transition:scale 70ms cubic-bezier(.22,1,.36,1)}html[data-motion-effective=enhanced] [data-pressing=true]{scale:.958;transition:scale 60ms cubic-bezier(.2,.9,.25,1)}html[data-motion-effective=enhanced] :is(.button,.answer-card,.history-row){transition:transform .16s var(--ease),scale .16s var(--ease),background-color .14s,border-color .14s}html[data-motion-effective=enhanced] :is(.saved-card,.answer-card,.history-row,.segment-card){position:relative;isolation:isolate}html[data-motion-effective=enhanced] :is(.saved-card,.answer-card,.history-row,.segment-card):after{content:"";position:absolute;inset:0;border-radius:inherit;z-index:-1;pointer-events:none;opacity:0;background:radial-gradient(230px circle at var(--mx,50%) var(--my,50%),#d7f86b60,transparent 70%);transition:opacity .16s}html[data-motion-effective=enhanced] :is([data-pointer=intent],[data-touch-active=true]):after{opacity:1}html[data-motion-effective=enhanced] :is(.saved-card,.history-row,.segment-card)[data-touch-active=true]{translate:0 -2px;box-shadow:0 6px 0 -3px var(--accent-deep),0 14px 24px #2428201a;border-color:color-mix(in srgb,var(--accent-deep) 55%,var(--line))}@media(hover:hover)and (pointer:fine){html[data-motion-effective=enhanced] :is(.saved-card,.history-row)[data-pointer=intent]{translate:0 -5px;rotate:1 1 0 var(--tilt,0deg);box-shadow:0 10px 0 -5px var(--accent-deep),0 18px 28px #24282018}html[data-motion-effective=enhanced] .saved-card[data-pointer=intent] .card-top svg{transform:translateY(-3px) rotate(-8deg)}html[data-motion-effective=enhanced] .saved-card[data-pointer=intent] .deck-open svg{transform:translate(6px)}html[data-motion-effective=enhanced] .saved-card[data-pointer=intent] .deck-count>strong{transform:translateY(-3px) scale(1.025)}html[data-motion-effective=enhanced] .saved-card[data-pointer=intent] h3{transform:translate(3px)}html[data-motion-effective=enhanced] .saved-card[data-pointer=intent] .deck-open>span{background:var(--accent);color:#121510!important;font-weight:700;transform:scale(1.06) rotate(-4deg)}html[data-motion-effective=enhanced] .saved-card[data-pointer=intent] .deck-open:before{transform:scaleX(1)}html[data-motion-effective=enhanced] .answer-card[data-pointer=intent]{transform:perspective(700px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) translateY(-2px);border-color:var(--accent-deep)}html[data-motion-effective=enhanced] .answer-card[data-pointer=intent] .answer-letter{transform:rotate(-6deg) scale(1.1)}html[data-motion-effective=enhanced] .button.primary[data-pointer=intent]{translate:var(--mag-x,0px) var(--mag-y,0px)}html[data-motion-effective=enhanced] .button.primary[data-pointer=intent] svg{transform:translate(3px) rotate(-6deg)}}html[data-motion-effective=enhanced][data-scrolling=true] :is(.saved-card,.history-row)[data-pointer=intent]{translate:0 0;rotate:none}html[data-motion-effective=enhanced][data-scrolling=true] .answer-card[data-pointer=intent]{transform:none}html[data-motion-effective=enhanced][data-scrolling=true] .button.primary[data-pointer=intent]{translate:0 0}.card-top svg,.deck-open svg,.button svg,.answer-letter{transition:transform .18s var(--ease)}.deck-count>strong,.saved-card h3,.deck-open>span{transition:transform .22s var(--ease),background-color .16s,color .16s;transform-origin:left center}.deck-open{position:relative}.deck-open:before{content:"";position:absolute;left:0;right:58px;top:0;height:2px;background:var(--accent-deep);transform:scaleX(0);transform-origin:left;transition:transform .26s var(--ease)}html[data-motion-effective=enhanced] .motion-page{position:relative;isolation:isolate}html[data-motion-effective=enhanced] .desktop-nav a.active svg,html[data-motion-effective=enhanced] .bottom-nav a.active svg{animation:ink-icon .3s var(--ease)}html[data-motion-effective=enhanced] .dialog[open]{animation:paper-open .3s var(--ease)}html[data-motion-effective=enhanced] .dialog::backdrop{animation:backdrop-in .22s ease-out}html[data-motion-effective=enhanced] .dialog-content>:is(.dialog-subject,.mode-choices,.start-summary,.resume-note,.dialog-actions){animation:layer-in .28s var(--ease) backwards}html[data-motion-effective=enhanced] .dialog-subject{animation-delay:35ms}html[data-motion-effective=enhanced] .mode-choices{animation-delay:65ms}html[data-motion-effective=enhanced] .start-summary{animation-delay:95ms}html[data-motion-effective=enhanced] .dialog-actions{animation-delay:125ms}html[data-motion-effective=enhanced] :is(.mode-choices label,.product-segments label).selected:focus-within{animation:plate-settle .24s var(--ease)}html[data-motion-effective=enhanced] .answer-card.selected .answer-letter{background:var(--accent);color:#121510!important;font-weight:800;transform:rotate(-5deg) scale(1.08)}html[data-motion-effective=enhanced] .answer-state{animation:ink-icon .26s var(--ease)}html[data-motion-effective=enhanced] .answer-card.correct{animation:correct-settle .32s var(--ease)}html[data-motion-effective=enhanced] .answer-card.incorrect{animation:wrong-rebound .24s ease-out}html[data-motion-effective=enhanced] .answer-card.correct:before{content:"";position:absolute;inset:-2px;border:2px solid var(--accent-deep);border-radius:inherit;pointer-events:none;animation:answer-ring .36s var(--ease) 40ms both}html[data-motion-effective=enhanced] .answer-card.correct .answer-letter{animation:answer-check .34s var(--ease) 80ms both}html[data-motion-effective=enhanced] .feedback.correct{animation:layer-in .22s var(--ease) .11s backwards}html[data-motion-effective=enhanced] .feedback.wrong{animation:layer-in .18s var(--ease)}html[data-motion-effective=enhanced] .truth-grid .answer-card.selected{border-radius:24px 8px}html[data-motion-effective=enhanced] .truth-grid .answer-letter{border-radius:50%}html[data-motion-effective=enhanced] .review-flag{position:relative;border-radius:8px 8px 2px;padding-right:22px}html[data-motion-effective=enhanced] .review-flag:after{content:"";position:absolute;right:0;bottom:0;border:7px solid transparent;border-right-color:var(--surface);border-bottom-color:var(--surface);transform-origin:bottom right}html[data-motion-effective=enhanced] .review-flag.is-flagged:after{animation:fold-in .24s var(--ease)}html[data-motion-effective=enhanced] .attempt-timer.critical{animation:timer-alert .38s var(--ease) 1}html[data-motion-effective=enhanced] .progress-track>span:after{content:"";position:absolute;right:-3px;top:-3px;width:12px;height:12px;border-radius:50%;background:var(--accent-deep)}html[data-motion-effective=enhanced] .result-chips>span{animation:layer-in .28s var(--ease) backwards}html[data-motion-effective=enhanced] .result-chips>span:nth-child(1){animation-delay:.3s}html[data-motion-effective=enhanced] .result-chips>span:nth-child(2){animation-delay:.34s}html[data-motion-effective=enhanced] .result-chips>span:nth-child(3){animation-delay:.38s}html[data-motion-effective=enhanced] .result-actions{animation:layer-in .24s var(--ease) .44s backwards}html[data-motion-effective=enhanced] .score-burst{position:absolute;inset:-20px;border:2px dashed var(--accent);border-radius:50%;pointer-events:none;animation:score-burst .65s var(--ease) .15s both}.motion-demo{display:flex;align-items:center;justify-content:center;gap:10px;min-height:72px;margin-top:14px;border-radius:14px;background:var(--soft);overflow:hidden}.motion-demo span{width:34px;height:42px;display:grid;place-items:center;border-radius:5px 12px 5px 5px;font-weight:700;color:var(--accent);background:var(--text);box-shadow:0 3px 0 var(--line)}html[data-motion-effective=enhanced] .motion-demo span{animation:demo-spring .52s var(--ease) both}html[data-motion-effective=enhanced] .motion-demo span:nth-child(2){animation-delay:80ms}html[data-motion-effective=enhanced] .motion-demo span:nth-child(3){animation-delay:.16s}html[data-motion-effective=standard] .motion-demo span{animation:layer-in .2s var(--ease)}html[data-motion-effective=enhanced] .question-editor{animation:layer-in .26s var(--ease)}html[data-motion-effective=enhanced] .question-editor legend{transition:background-color .18s,color .18s}.motion-preview i{animation:none!important}@keyframes menu-arrive{0%{opacity:.5;transform:translateY(-4px) scale(.99)}}@keyframes layer-in{0%{opacity:.45;transform:translateY(10px)}}@keyframes paper-open{0%{opacity:.3;transform:translateY(18px) scale(.94)}70%{transform:translateY(-2px) scale(1.005)}to{opacity:1;transform:none}}@keyframes backdrop-in{0%{opacity:0}}@keyframes plate-settle{0%{scale:.975}65%{scale:1.012}to{scale:1}}@keyframes ink-icon{0%{transform:translateY(3px) scale(.7) rotate(-12deg)}70%{transform:translateY(-2px) scale(1.12)}to{transform:none}}@keyframes digit-in{0%{opacity:.2;transform:translateY(8px)}}@keyframes correct-settle{40%{transform:scale(1.012);background-color:#e8f7b5}to{transform:none}}@keyframes wrong-rebound{20%{transform:translate(-4px)}50%{transform:translate(3px)}75%{transform:translate(-1px)}}@keyframes fold-in{0%{transform:scale(0) rotate(-30deg)}}@keyframes timer-alert{45%{transform:scale(1.07)}}@keyframes score-burst{0%{opacity:0;transform:scale(.8) rotate(-10deg)}40%{opacity:.65}to{opacity:0;transform:scale(1.2) rotate(8deg)}}@keyframes demo-spring{0%{opacity:.3;transform:translateY(22px) rotate(-10deg) scale(.8)}70%{transform:translateY(-5px) rotate(4deg) scale(1.05)}to{opacity:1;transform:none}}@keyframes answer-ring{0%{opacity:0;transform:scale(.94)}42%{opacity:1}to{opacity:0;transform:scale(1.035)}}@keyframes answer-check{0%{transform:rotate(-18deg) scale(.55)}65%{transform:rotate(5deg) scale(1.22)}to{transform:rotate(-5deg) scale(1.08)}}@media(max-width:760px){html[data-motion-effective=enhanced] .dialog[open]{animation-name:sheet-open}html[data-motion-effective=enhanced][data-scroll=down] .bottom-nav{box-shadow:0 -8px 24px #24282020}html[data-motion-effective=enhanced][data-scroll=up] .bottom-nav{box-shadow:0 -3px 12px #24282015}.bottom-nav{transition:box-shadow .22s var(--ease)}.motion-segments strong{font-size:14px}}@keyframes sheet-open{0%{opacity:.5;transform:translateY(45px) scale(.98)}75%{transform:translateY(-3px)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.select-popup,.motion-demo span{animation:none}}html[data-motion-effective=enhanced] :is(.saved-card,.history-row){transition:translate .16s var(--ease),rotate .16s var(--ease),box-shadow .16s var(--ease)}.truth-grid .answer-card,.mode-choices label{position:relative;isolation:isolate}html[data-motion-effective=enhanced] .truth-grid .answer-card.selected:not(.correct):not(.incorrect){background:var(--soft);color:var(--text);box-shadow:inset 0 0 0 2px var(--accent-deep),0 5px 12px #24282018}html[data-motion-effective=enhanced] .truth-grid .answer-card{overflow:hidden}html[data-motion-effective=enhanced] .truth-grid .answer-card.selected:not(.correct):not(.incorrect):before{content:"";position:absolute;z-index:0;inset:0;border-radius:inherit;background:linear-gradient(105deg,var(--accent),#e5ff91 72%,var(--accent));transform:scaleX(0);animation:truth-ink-fill .26s var(--motion-ink) both;pointer-events:none}html[data-motion-effective=enhanced] .truth-grid .answer-card.truth-yes:before{transform-origin:left center}html[data-motion-effective=enhanced] .truth-grid .answer-card.truth-no:before{transform-origin:right center}html[data-motion-effective=enhanced] .truth-grid .answer-card.selected:not(.correct):not(.incorrect) .answer-letter{animation:truth-stamp .3s var(--motion-stamp) 90ms both}html[data-motion-effective=enhanced] .truth-grid .answer-card.selected:not(.correct):not(.incorrect) .answer-state{animation:truth-mark .22s var(--ease) 135ms both}@keyframes truth-ink-fill{0%{opacity:.25;transform:scaleX(.04)}62%{opacity:1;transform:scaleX(.82)}to{opacity:1;transform:scaleX(1)}}@keyframes truth-stamp{0%{opacity:.25;transform:rotate(-14deg) scale(.62)}70%{transform:rotate(3deg) scale(1.16)}to{opacity:1;transform:rotate(-5deg) scale(1.08)}}@keyframes truth-mark{0%{opacity:0;transform:translate(-5px) rotate(-10deg) scale(.7)}}html[data-motion-effective=enhanced] .mode-choices label.selected{background:transparent;box-shadow:none}.mode-choices .active-plate{background:var(--soft);box-shadow:inset 0 0 0 2px var(--accent-deep)}html[data-motion-effective=enhanced] .question-editor[data-state=READY][data-edited=true]>legend{animation:plate-settle .24s var(--ease)}html[data-motion-effective=enhanced] .question-editor[data-state=READY]{border-left:3px solid var(--accent)}html[data-motion-effective=enhanced] .question-editor{animation:none}html[data-surface-transition=true] .dialog-heading h2{view-transition-name:quiz-title}::view-transition-group(quiz-title){animation-duration:.26s;animation-timing-function:cubic-bezier(.22,1,.36,1)}::view-transition-old(root),::view-transition-new(root){animation:none}html[data-surface-transition=true] .dialog[open]{animation:none}@media(prefers-reduced-motion:reduce){::view-transition-group(*){animation-duration:0s}}.mobile-subject-filter>.product-select{flex:1 1 0;width:0;min-width:0}.select-popup [role=option][aria-selected=true]{background:var(--accent);color:#121510!important;font-weight:700}.select-trigger.text-input{display:flex;align-items:center;justify-content:space-between}html[data-motion-effective=enhanced] .question-card{view-transition-name:question-paper}::view-transition-group(question-paper){animation-duration:.25s;animation-timing-function:cubic-bezier(.22,1,.36,1)}::view-transition-old(question-paper){animation:question-leave .13s ease-out both}::view-transition-new(question-paper){animation:question-arrive .25s var(--ease) both}::view-transition{pointer-events:none}@keyframes question-leave{to{opacity:0;transform:translate(calc(var(--question-travel, 16px) * -.625)) scale(.99)}}@keyframes question-arrive{0%{opacity:.4;transform:translate(var(--question-travel, 16px)) scale(.99)}}@media(prefers-reduced-motion:reduce){::view-transition-old(*),::view-transition-new(*){animation:none}}html[data-motion-effective=enhanced] .library-intro{position:relative}html[data-motion-effective=enhanced] .library-intro:after{content:"";position:absolute;left:0;bottom:-14px;width:min(180px,34vw);height:3px;border-radius:3px;background:linear-gradient(90deg,var(--accent-deep),var(--accent),transparent);transform-origin:left;animation:library-ink .3s var(--ease) 70ms both}html[data-motion-effective=enhanced] .library-intro>div{animation:library-context .24s var(--ease) 20ms backwards}html[data-motion-effective=enhanced] .library-intro>.button{animation:library-context .22s var(--ease) 80ms backwards}html[data-motion-effective=enhanced] .library-section>.section-heading{animation:library-context .22s var(--ease) 105ms backwards}html[data-motion-effective=enhanced] :is(.subject-filters,.mobile-subject-filter){animation:library-context .22s var(--ease) 135ms backwards}html[data-motion-effective=enhanced] .saved-card{--paper-edge: var(--line)}html[data-motion-effective=enhanced] .saved-card:before{content:"";position:absolute;z-index:2;inset:auto 14px -5px;height:5px;border-radius:0 0 8px 8px;background:linear-gradient(90deg,var(--paper-edge),var(--accent),var(--paper-edge));transform:scaleX(.28);opacity:.5;transition:transform .22s var(--ease),opacity .16s;pointer-events:none}html[data-motion-effective=enhanced] .saved-card:is([data-pointer=intent],[data-pressing=true]):before{transform:scaleX(1);opacity:1}html[data-motion-effective=enhanced] .saved-card[data-pressing=true] :is(.deck-meta,.deck-open){translate:0 1px}html[data-motion-effective=enhanced] :is(.deck-meta,.deck-open){transition:translate .16s var(--ease)}html[data-motion-effective=enhanced] .button.primary{position:relative;overflow:hidden;isolation:isolate}html[data-motion-effective=enhanced] .button.primary:after{content:"";position:absolute;z-index:-1;left:10px;right:10px;bottom:6px;height:2px;background:currentColor;opacity:.22;transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}html[data-motion-effective=enhanced] .desktop-nav a.active:after{content:"";position:absolute;z-index:2;left:16px;right:16px;bottom:7px;height:2px;border-radius:2px;background:var(--accent);animation:nav-ink .24s var(--ease)}html[data-motion-effective=enhanced] .admin-user-card{transition:border-color .16s var(--motion-snap),background-color .22s var(--motion-settle),box-shadow .22s var(--motion-settle)}html[data-motion-effective=enhanced] .admin-user-card:has(.account-menu[open]){border-color:var(--accent-deep);box-shadow:0 7px #dce3c9}html[data-motion-effective=enhanced] .account-menu[open] .account-menu-sheet{animation:account-sheet-in .18s var(--motion-settle);transform-origin:top right}html[data-motion-effective=enhanced] .account-badge{transition:color .16s,background-color .18s var(--motion-snap),border-color .18s}html[data-motion-effective=enhanced] .settings-panel [role=status]:not(:empty){animation:permission-confirm .3s var(--motion-settle)}html[data-motion-effective=enhanced] .sr-status:not(:empty){animation:permission-confirm .3s var(--ease)}@keyframes nav-ink{0%{opacity:0;transform:scaleX(.25) translate(-6px)}}@keyframes permission-confirm{0%{opacity:.25;transform:translateY(6px)}65%{box-shadow:0 0 0 5px #d7f86b38}}@keyframes account-sheet-in{0%{opacity:0;transform:translateY(-5px) scale(.985)}}@keyframes library-context{0%{opacity:.25}}@keyframes library-ink{0%{opacity:0;transform:scaleX(.12)}}@media(max-width:760px){html[data-motion-effective=enhanced] .mobile-permission-nav{animation:layer-in .22s var(--ease)}html[data-motion-effective=enhanced][data-scroll=down] .mobile-permission-nav{opacity:.86}.mobile-permission-nav{transition:opacity .18s var(--ease)}html[data-motion-effective=enhanced][data-scroll=down] .app-header{box-shadow:0 8px 18px #24282010}html[data-motion-effective=enhanced][data-scroll=down] .brand strong span{opacity:.35;translate:0 -2px}.app-header{transition:box-shadow .18s var(--ease)}.brand strong span{transition:opacity .16s var(--ease),translate .16s var(--ease)}}@media(min-width:761px){html[data-motion-effective=enhanced] .motion-page{min-height:calc(100vh - 128px)}}html[data-motion-effective=enhanced] .motion-page:before,html[data-motion-effective=enhanced] .motion-page:after{content:"";position:absolute;z-index:5;pointer-events:none}html[data-motion-effective=enhanced] .motion-page:before{top:-11px;left:0;width:min(210px,36vw);height:3px;border-radius:2px;background:linear-gradient(90deg,var(--accent-deep),var(--accent) 58%,transparent);transform-origin:left;animation:mastery-route-ink .32s var(--motion-ink) both}html[data-motion-effective=enhanced] .motion-page:after{top:8px;right:5px;width:26px;height:26px;border-top:2px solid var(--accent);border-right:2px solid var(--accent);border-radius:0 10px 0 0;animation:mastery-paper-corner .28s var(--ease) 45ms both}html[data-motion-effective=enhanced] .question-card:after{content:"";position:absolute;left:22px;right:22px;bottom:-6px;height:6px;border-radius:0 0 10px 10px;background:linear-gradient(90deg,var(--line),var(--accent),var(--line));transform-origin:center;animation:question-edge-settle .28s var(--ease) 80ms both;pointer-events:none}html[data-motion-effective=enhanced] .answer-grid:not(.truth-grid) .answer-card.selected:not(.correct):not(.incorrect):before{content:"";position:absolute;z-index:0;inset:auto 12px 8px 58px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--accent-deep),var(--accent));transform-origin:left;animation:answer-ink-lock .22s var(--ease) both;pointer-events:none}html[data-motion-effective=enhanced] .answer-card.correct .answer-state{animation:mastery-correct-stamp .3s var(--ease) 80ms both}html[data-motion-effective=enhanced] .answer-card.incorrect .answer-state{animation:mastery-wrong-stamp .22s var(--ease) 45ms both}html[data-motion-effective=enhanced] .bottom-nav .active-plate:after{content:"";position:absolute;left:20%;right:20%;bottom:5px;height:2px;border-radius:2px;background:var(--text);transform-origin:center;animation:nav-trace .26s var(--ease) both}html[data-motion-effective=enhanced] .score-display{box-shadow:0 0 0 8px #d7f86b24,0 0 0 10px #d7f86b70,0 18px 42px #0000002b}.score-marks{position:absolute;inset:-30px;pointer-events:none}.score-marks i{--mark: 0;position:absolute;left:50%;top:50%;width:3px;height:22px;border-radius:3px;background:var(--accent);transform-origin:center;transform:translate(-50%,-50%) rotate(calc(var(--mark) * 60deg)) translateY(-150px) scaleY(0);animation:result-ink-mark .52s var(--motion-settle) calc(.18s + var(--mark) * 24ms) both}@keyframes mastery-route-ink{0%{opacity:0;transform:scaleX(.06)}58%{opacity:1;transform:scaleX(1)}to{opacity:0;transform:scaleX(1)}}@keyframes mastery-paper-corner{0%{opacity:0;transform:translate(-5px,5px) scale(.65)}72%{opacity:1;transform:translate(1px,-1px) scale(1.04)}to{opacity:.58;transform:none}}@keyframes question-edge-settle{0%{opacity:0;transform:scaleX(.28) translateY(-3px)}70%{opacity:1;transform:scaleX(.88)}to{opacity:.72;transform:none}}@keyframes answer-ink-lock{0%{opacity:0;transform:scaleX(.08)}72%{opacity:1;transform:scaleX(1.03)}to{transform:scaleX(1)}}@keyframes mastery-correct-stamp{0%{opacity:0;transform:rotate(-16deg) scale(.55)}65%{transform:rotate(4deg) scale(1.2)}to{opacity:1;transform:none}}@keyframes mastery-wrong-stamp{0%{opacity:0;transform:translate(5px) rotate(12deg) scale(.7)}70%{transform:translate(-1px) rotate(-3deg) scale(1.08)}to{opacity:1;transform:none}}@keyframes nav-trace{0%{opacity:0;transform:scaleX(.12)}70%{opacity:.75;transform:scaleX(1.12)}to{opacity:.45;transform:scaleX(1)}}@keyframes result-ink-mark{0%{opacity:0;transform:translate(-50%,-50%) rotate(calc(var(--mark) * 60deg)) translateY(-135px) scaleY(0)}48%{opacity:.9;transform:translate(-50%,-50%) rotate(calc(var(--mark) * 60deg)) translateY(-150px) scaleY(1)}to{opacity:0;transform:translate(-50%,-50%) rotate(calc(var(--mark) * 60deg)) translateY(-154px) scaleY(.25)}}@media(max-width:760px){html[data-motion-effective=enhanced] .quiz-top{position:sticky;top:8px;z-index:8;margin-inline:-8px;padding:9px 10px;border:1px solid var(--line);border-radius:14px;background:color-mix(in srgb,var(--bg) 94%,var(--accent));box-shadow:0 5px 16px #24282010;transition:box-shadow .18s var(--ease),border-color .18s}html[data-motion-effective=enhanced][data-scroll=down] .quiz-top{border-color:#b5c38b;box-shadow:0 9px 24px #2428201b}html[data-motion-effective=enhanced] .question-card:after{left:14px;right:14px}.score-marks{inset:-22px}.score-marks i{height:16px}@keyframes result-ink-mark{0%{opacity:0;transform:translate(-50%,-50%) rotate(calc(var(--mark) * 60deg)) translateY(-96px) scaleY(0)}48%{opacity:.9;transform:translate(-50%,-50%) rotate(calc(var(--mark) * 60deg)) translateY(-108px) scaleY(1)}to{opacity:0;transform:translate(-50%,-50%) rotate(calc(var(--mark) * 60deg)) translateY(-112px) scaleY(.25)}}}@media(prefers-reduced-motion:reduce){.motion-page:before,.motion-page:after,.question-card:after,.answer-card:before,.answer-state,.bottom-nav .active-plate:after,.score-marks i{animation:none!important}}html[data-motion-effective=enhanced] .search-field{overflow:hidden;transform:none;transition:border-color .16s var(--motion-snap),background-color .18s var(--ease),box-shadow .22s var(--motion-settle)}html[data-motion-effective=enhanced] .search-field:focus-within{transform:none;border-color:transparent;background:color-mix(in srgb,var(--surface) 92%,var(--accent));box-shadow:none}html[data-motion-effective=enhanced] .search-field:after{content:"";position:absolute;z-index:2;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent-deep),var(--accent));transform:scaleX(0);transform-origin:left;opacity:0;transition:transform .26s var(--motion-ink),opacity .14s;pointer-events:none}html[data-motion-effective=enhanced] .search-field:focus-within:after{transform:scaleX(1);opacity:1}html[data-motion-effective=enhanced] .motion-page:before{height:4px;width:min(260px,42vw);animation-duration:.43s}html[data-motion-effective=enhanced] .motion-page:after{width:32px;height:32px;border-width:3px;animation-duration:.38s}html[data-motion-effective=enhanced] .motion-page>:is(.page-heading,.library-intro,.quiz-top,.result-hero){animation:enhanced-context-seat .36s var(--motion-settle) both}html[data-motion-effective=enhanced] .motion-page>:is(.library-section,.question-stage,.history-list,.settings-panel,.admin-toolbar){animation:enhanced-surface-arrive .42s var(--motion-settle) 70ms backwards}html[data-motion-effective=enhanced] .saved-grid .saved-card{transform-origin:50% 100%}html[data-motion-effective=enhanced] .saved-card.is-active{background-image:linear-gradient(135deg,color-mix(in srgb,var(--accent) 15%,transparent),transparent 55%)}html[data-motion-effective=enhanced] .saved-card.is-active .resume-card-action{position:relative;overflow:hidden}html[data-motion-effective=enhanced] .saved-card.is-active .resume-card-action:before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,transparent 15%,#ffffff3b 42%,transparent 68%);transform:translate(-115%);animation:active-attempt-sheen .56s var(--motion-ink) .18s both;pointer-events:none}html[data-motion-effective=enhanced] .saved-card[data-pointer=intent] .card-top>svg{animation:deck-stamp-seat .26s var(--motion-settle) both}html[data-motion-effective=enhanced] .saved-card[data-pointer=intent] .deck-meta{border-color:color-mix(in srgb,var(--accent-deep) 42%,var(--line))}html[data-motion-effective=enhanced] .pin-label{animation:pin-stamp-seat .3s var(--motion-settle) both}html[data-motion-effective=enhanced] .answer-card[data-pressing=true]{transform:translateY(1px) scale(.985);box-shadow:inset 0 2px #24282012}html[data-motion-effective=enhanced] .answer-card.selected:not(.correct):not(.incorrect) .answer-state{animation:selected-mark-seat .3s var(--motion-stamp) 70ms both}html[data-motion-effective=enhanced] .answer-card.correct{animation:enhanced-correct-seat .42s var(--motion-settle) both}html[data-motion-effective=enhanced] .answer-card.incorrect{animation:enhanced-wrong-mark .3s cubic-bezier(.2,.9,.25,1) both}html[data-motion-effective=enhanced] .answer-card.correct+.answer-card:not(.selected),html[data-motion-effective=enhanced] .answer-card.incorrect+.answer-card:not(.selected){transition:opacity .18s}html[data-motion-effective=enhanced] .question-feedback:not(:empty){animation:feedback-space-open .3s var(--motion-settle) both}html[data-motion-effective=enhanced] .submit-summary>div{animation:summary-slip-arrive .3s var(--motion-settle) backwards}html[data-motion-effective=enhanced] .submit-summary>div:nth-child(2){animation-delay:55ms}html[data-motion-effective=enhanced] .submit-summary>div:nth-child(3){animation-delay:.11s}html[data-motion-effective=enhanced] .submit-jumps{animation:enhanced-context-seat .26s var(--motion-settle) 135ms backwards}html[data-motion-effective=enhanced] .result-eyebrow{animation:result-line-arrive .28s var(--motion-settle) .1s backwards}html[data-motion-effective=enhanced] .result-hero h1{animation:result-line-arrive .34s var(--motion-settle) .15s backwards}html[data-motion-effective=enhanced] .result-hero>p{animation:result-line-arrive .34s var(--motion-settle) 205ms backwards}html[data-motion-effective=enhanced] .result-actions .button{animation:result-action-seat .3s var(--motion-settle) backwards}html[data-motion-effective=enhanced] .result-actions .button:nth-child(1){animation-delay:.43s}html[data-motion-effective=enhanced] .result-actions .button:nth-child(2){animation-delay:475ms}html[data-motion-effective=enhanced] .result-actions .button:nth-child(n+3){animation-delay:.52s}html[data-motion-effective=enhanced] .question-editor:focus-within legend{animation:editor-tab-seat .26s var(--motion-settle) both}html[data-motion-effective=enhanced] .motion-segments label.selected{border-color:var(--accent-deep);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent-deep) 40%,var(--line)),0 0 14px -2px #d7f86b45,0 4px 10px #24282012;animation:mastery-chip-settle .26s var(--motion-settle)}html[data-motion-effective=enhanced] .motion-segments label.selected .segment-indicator i{animation:indicator-pop .32s var(--motion-settle) both}@keyframes indicator-pop{0%{transform:scale(0);opacity:0}65%{transform:scale(1.25);opacity:1}to{transform:scale(1);opacity:1}}html[data-motion-effective=enhanced] .admin-user-card:has(.account-menu[open]):before{animation:admin-rule-grow .26s var(--motion-ink) both}html[data-motion-effective=enhanced] .account-menu-sheet button:is(:hover,:focus-visible){box-shadow:inset 3px 0 0 var(--accent-deep);transform:translate(2px)}html[data-motion-effective=enhanced] .bottom-nav a.active .active-plate{animation:mobile-nav-seat .3s var(--motion-settle) both}@keyframes enhanced-context-seat{0%{opacity:.35;transform:translateY(10px)}}@keyframes enhanced-surface-arrive{0%{opacity:.3;transform:translateY(16px);clip-path:inset(0 0 9% 0 round 16px)}to{opacity:1;transform:none;clip-path:inset(0 round 0)}}@keyframes active-attempt-sheen{to{transform:translate(115%)}}@keyframes deck-stamp-seat{45%{transform:translateY(-3px) rotate(-7deg) scale(1.08)}}@keyframes pin-stamp-seat{0%{opacity:.2;transform:rotate(-7deg) scale(.8)}70%{transform:rotate(2deg) scale(1.06)}}@keyframes selected-mark-seat{0%{opacity:0;transform:rotate(-13deg) scale(.55)}68%{transform:rotate(3deg) scale(1.14)}}@keyframes enhanced-correct-seat{0%{transform:scale(.99)}44%{transform:scale(1.012)}72%{box-shadow:inset 4px 0 0 var(--success),0 0 0 6px #4e765018}}@keyframes enhanced-wrong-mark{18%{transform:translate(-4px)}42%{transform:translate(3px)}66%{transform:translate(-1px)}}@keyframes feedback-space-open{0%{opacity:.2;transform:translateY(-8px) scaleY(.92)}}@keyframes summary-slip-arrive{0%{opacity:.2;transform:translateY(10px) rotate(-1deg)}}@keyframes result-line-arrive{0%{opacity:0;transform:translateY(10px)}}@keyframes result-action-seat{0%{opacity:0;transform:translateY(8px) scale(.98)}}@keyframes editor-tab-seat{55%{transform:translateY(-2px) rotate(-1deg)}}@keyframes motion-preview-enhanced{0%{transform:translate(0) scaleX(.7)}62%{transform:translate(20px) scaleX(1.18)}to{transform:translate(20px)}}@keyframes admin-rule-grow{0%{transform:scaleY(.15);transform-origin:top}}@keyframes mobile-nav-seat{0%{transform:translateY(7px) scale(.86)}68%{transform:translateY(-1px) scale(1.025)}}@media(max-width:760px){html[data-motion-effective=enhanced] .motion-page>:is(.page-heading,.library-intro,.quiz-top,.result-hero){animation-duration:.3s}html[data-motion-effective=enhanced] .saved-card.is-active .resume-card-action:before{animation-duration:.42s}html[data-motion-effective=enhanced] .answer-card.selected:not(.correct):not(.incorrect){animation-duration:.2s}}@media(prefers-reduced-motion:reduce){html[data-motion-effective=minimal] .search-field:after,html[data-motion-effective=minimal] .dialog-heading:after,html[data-motion-effective=minimal] .result-hero:after{display:none}}html[data-motion-effective=enhanced] .subject-filters button[aria-pressed=true]{background:transparent;border-color:transparent;box-shadow:none}html[data-motion-effective=enhanced] .subject-filters .active-plate{inset:0;margin:0;width:auto;height:auto;background:var(--text);box-shadow:inset 0 0 0 1px var(--accent),0 3px #c4d985}html[data-motion-effective=enhanced] .subject-filters button[aria-pressed=true]{animation:mastery-chip-settle .24s var(--motion-settle)}html[data-motion-effective=enhanced] .saved-card:before{inset:auto 20px -4px;height:4px;border-radius:0 0 5px 5px;background:var(--accent-deep);transform:scaleX(.18);opacity:.28}html[data-motion-effective=enhanced] .saved-card:is([data-pointer=intent],[data-pressing=true]):before{transform:scaleX(.72);opacity:.74}@media(hover:hover)and (pointer:fine){html[data-motion-effective=enhanced] .saved-card[data-pointer=intent]{translate:0 -4px;rotate:none;box-shadow:0 7px 0 -3px color-mix(in srgb,var(--accent-deep) 50%,var(--line)),0 18px 30px #24282014}html[data-motion-effective=enhanced] .saved-card[data-pointer=intent] h3{transform:translate(2px)}html[data-motion-effective=enhanced] .saved-card[data-pointer=intent] .deck-question-count strong{transform:translateY(-2px)}html[data-motion-effective=enhanced] .answer-card[data-pointer=intent]{transform:translateY(-2px);border-color:color-mix(in srgb,var(--accent-deep) 62%,var(--line));box-shadow:0 5px color-mix(in srgb,var(--line) 72%,transparent)}}.deck-question-count strong{transition:transform .19s var(--motion-settle)}html[data-motion-effective=enhanced] .deck-open:before{left:0;right:48px;top:-1px;height:2px;opacity:.78}html[data-motion-effective=enhanced] .answer-grid .answer-card.selected:not(.correct):not(.incorrect):before{content:"";position:absolute;z-index:-1;inset:0;border-radius:inherit;background:linear-gradient(105deg,color-mix(in srgb,var(--accent) 68%,transparent),transparent 72%);transform-origin:left center;animation:mastery-answer-wash .26s var(--motion-ink) both;pointer-events:none}html[data-motion-effective=enhanced] .truth-grid .answer-card.selected{border-radius:12px}html[data-motion-effective=enhanced] .truth-grid .answer-card.selected:not(.correct):not(.incorrect):before{z-index:-1;background:linear-gradient(105deg,color-mix(in srgb,var(--accent) 68%,transparent),transparent 72%);animation:mastery-answer-wash .26s var(--motion-ink) both}html[data-motion-effective=enhanced] .answer-card.selected:not(.correct):not(.incorrect){border:1px solid var(--accent-deep);background:color-mix(in srgb,var(--accent) 26%,var(--surface));box-shadow:inset 4px 0 0 var(--accent-deep),0 3px #ccd9a7;animation:mastery-answer-seat .24s var(--motion-settle)}html[data-motion-effective=enhanced] .answer-card.selected .answer-letter{transform:rotate(-3deg) scale(1.04)}html[data-motion-effective=enhanced] .answer-card.correct,html[data-motion-effective=enhanced] .answer-card.incorrect{animation-duration:.28s}html[data-motion-effective=enhanced] .answer-card.correct:before{inset:3px;border-width:1px;border-color:color-mix(in srgb,var(--success) 48%,transparent);animation:mastery-answer-confirm .36s var(--motion-settle) both}html[data-motion-effective=enhanced] .feedback{transform-origin:top left;animation:mastery-feedback-fold .26s var(--motion-settle) both}html[data-motion-effective=enhanced] .question-dots button.current{animation:mastery-dot-seat .22s var(--motion-settle)}html[data-motion-effective=enhanced] :is(.question-editor,.settings-panel,.history-row,.admin-user-card){transition:border-color .18s var(--ease),box-shadow .22s var(--motion-settle),transform .18s var(--motion-settle)}html[data-motion-effective=enhanced] :is(.question-editor,.settings-panel):focus-within{border-color:color-mix(in srgb,var(--accent-deep) 48%,var(--line));box-shadow:0 5px color-mix(in srgb,var(--accent-deep) 18%,var(--line))}html[data-motion-effective=enhanced] .setting-toggle:has(input:checked){box-shadow:inset 3px 0 0 var(--accent-deep)}html[data-motion-effective=enhanced] .setting-toggle input:checked:after{animation:mastery-toggle-seat .22s var(--motion-settle)}html[data-motion-effective=enhanced] .history-row:is(:hover,:focus-within){border-color:color-mix(in srgb,var(--accent-deep) 38%,var(--line))}html[data-motion-effective=enhanced] .account-menu[open]>summary{background:var(--text);color:var(--accent)}html[data-motion-effective=enhanced] .result-hero{animation:mastery-result-paper .42s var(--motion-settle) both}html[data-motion-effective=enhanced] .score-display{animation:mastery-score-seat .52s var(--motion-settle) 90ms backwards}html[data-motion-effective=enhanced] .review-card{animation:mastery-review-arrive .28s var(--motion-settle) both}@keyframes mastery-chip-settle{0%{transform:scale(.96)}68%{transform:scale(1.018)}to{transform:none}}@keyframes mastery-answer-wash{0%{opacity:0;transform:scaleX(.18)}70%{opacity:1;transform:scaleX(1.025)}to{opacity:1;transform:scaleX(1)}}@keyframes mastery-answer-seat{0%{transform:translateY(1px) scale(.992)}68%{transform:translateY(-1px) scale(1.004)}to{transform:none}}@keyframes mastery-answer-confirm{0%{opacity:0;transform:scale(.975)}48%{opacity:.9}to{opacity:0;transform:scale(1.012)}}@keyframes mastery-feedback-fold{0%{opacity:.25;transform:translateY(-5px) scaleY(.96)}to{opacity:1;transform:none}}@keyframes mastery-dot-seat{50%{transform:scale(1.12) rotate(-4deg)}}@keyframes mastery-toggle-seat{55%{transform:translate(17px) scale(1.08)}}@keyframes mastery-result-paper{0%{opacity:.5;transform:translateY(12px) scale(.988);clip-path:inset(0 0 12% 0 round 24px)}to{opacity:1;transform:none;clip-path:inset(0 round 24px)}}@keyframes mastery-score-seat{0%{opacity:0;transform:rotate(-5deg) scale(.82)}68%{transform:rotate(1deg) scale(1.035)}to{opacity:1;transform:none}}@keyframes mastery-review-arrive{0%{opacity:.45;transform:translateY(9px)}}html[data-motion-effective=minimal] :is(.subject-filters button,.saved-card,.answer-card,.setting-toggle,.history-row,.admin-user-card,.question-editor,.settings-panel){animation:none!important;transition-duration:0s!important;transform:none!important}@media(prefers-reduced-motion:reduce){html[data-motion-effective=enhanced] :is(.subject-filters button,.saved-card,.answer-card,.feedback,.question-dots button,.result-hero,.score-display,.review-card){animation:none!important;transition-duration:0s!important;transform:none!important}html[data-motion-effective=enhanced] .setting-toggle input:after{animation:none!important;transition-duration:0s!important}}html[data-motion-effective=enhanced] .study-ticket{--ticket-ink: color-mix(in srgb, var(--accent-deep) 78%, transparent);transform-origin:50% 100%;transition:border-color .18s var(--motion-snap),box-shadow .22s var(--motion-settle),background-color .22s var(--motion-settle)}html[data-motion-effective=enhanced] .study-ticket:before{content:"";position:absolute;z-index:3;inset:12px 12px auto auto;width:22px;height:22px;border-top:2px solid var(--ticket-ink);border-right:2px solid var(--ticket-ink);border-radius:0 9px 0 0;background:none;opacity:.28;transform:none;transition:width .22s var(--motion-ink),height .22s var(--motion-ink),opacity .16s}html[data-motion-effective=enhanced] .study-ticket:is([data-pointer=intent],[data-pressing=true]):before{width:34px;height:34px;opacity:.82;transform:none}@media(hover:hover)and (pointer:fine){html[data-motion-effective=enhanced] .study-ticket[data-pointer=intent]{translate:0 -3px;rotate:none;border-color:color-mix(in srgb,var(--accent-deep) 38%,var(--line));box-shadow:0 7px 0 -2px color-mix(in srgb,var(--accent-deep) 36%,var(--line)),0 18px 26px #24282012}html[data-motion-effective=enhanced] .study-ticket[data-pointer=intent] h3{transform:none}html[data-motion-effective=enhanced] .study-ticket[data-pointer=intent] .ticket-subject-mark{animation:wow9-ticket-stamp .28s var(--motion-stamp) both}html[data-motion-effective=enhanced] .study-ticket[data-pointer=intent] .ticket-state{border-color:color-mix(in srgb,var(--accent-deep) 30%,var(--line))}}html[data-motion-effective=enhanced] .study-ticket[data-pressing=true]{translate:0 1px;scale:.994;box-shadow:0 3px color-mix(in srgb,var(--accent-deep) 25%,var(--line))}html[data-motion-effective=enhanced] .ticket-subject-mark,html[data-motion-effective=enhanced] .ticket-state,html[data-motion-effective=enhanced] .study-ticket .deck-open svg{transition:border-color .18s,background-color .18s,transform .22s var(--motion-settle)}html[data-motion-effective=enhanced] .study-ticket .deck-open{position:relative;overflow:hidden}html[data-motion-effective=enhanced] .study-ticket .deck-open:before{content:"";position:absolute;inset:-1px 0 auto;width:100%;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent-deep),var(--accent) 72%,transparent);opacity:.78;transform:scaleX(.14);transform-origin:left;transition:transform .28s var(--motion-ink)}html[data-motion-effective=enhanced] .study-ticket .deck-open:is(:hover,:focus-visible):before{transform:scaleX(1)}html[data-motion-effective=enhanced] .study-ticket .deck-open:is(:hover,:focus-visible) svg{transform:translate(3px) rotate(-4deg)}html[data-motion-effective=enhanced] .ticket-state-active{position:relative;overflow:hidden;animation:wow9-continuity-seat .36s var(--motion-settle) both}html[data-motion-effective=enhanced] .ticket-state-active:after{content:"";position:absolute;inset:0;background:linear-gradient(104deg,transparent 18%,#ffffff5c 46%,transparent 72%);transform:translate(-110%);animation:wow9-continuity-ink .56s var(--motion-ink) .21s both;pointer-events:none}html[data-motion-effective=enhanced] .study-ticket .pin-label{animation:wow9-pin-mark .28s var(--motion-stamp) both}html[data-motion-effective=enhanced] .answer-grid .answer-card.selected:not(.correct):not(.incorrect):before{z-index:0;inset:auto 14px 7px 58px;height:2px;border:0;border-radius:2px;background:linear-gradient(90deg,var(--accent-deep),var(--accent));opacity:.8;transform:scaleX(0);transform-origin:left;animation:wow9-answer-ink .23s var(--motion-ink) both!important}html[data-motion-effective=enhanced] .answer-card.selected:not(.correct):not(.incorrect){animation:wow9-answer-seat .21s var(--motion-settle) both}html[data-motion-effective=enhanced] .answer-card.selected:not(.correct):not(.incorrect) .answer-letter{animation:wow9-answer-stamp .25s var(--motion-stamp) 55ms both}html[data-motion-effective=enhanced] .answer-card.correct:before{inset:auto 14px 7px 58px;height:2px;border:0;border-radius:2px;background:var(--success);animation:wow9-answer-ink .26s var(--motion-ink) both}html[data-motion-effective=enhanced] .answer-card.incorrect:before{content:"";position:absolute;z-index:0;inset:auto 14px 7px 58px;height:2px;border-radius:2px;background:var(--danger);transform-origin:left;animation:wow9-wrong-mark .22s var(--motion-snap) both;pointer-events:none}html[data-motion-effective=enhanced] .truth-grid .answer-card.selected:not(.correct):not(.incorrect):before,html[data-motion-effective=enhanced] .truth-grid .answer-card.correct:before,html[data-motion-effective=enhanced] .truth-grid .answer-card.incorrect:before{inset:auto 18px 8px}html[data-motion-effective=enhanced] .truth-grid .answer-card.selected:not(.correct):not(.incorrect){border-radius:12px;box-shadow:inset 0 3px 0 var(--accent-deep),0 2px color-mix(in srgb,var(--accent-deep) 18%,transparent)}html[data-motion-effective=enhanced] .answer-card.correct,html[data-motion-effective=enhanced] .answer-card.incorrect{animation:wow9-feedback-seat .26s var(--motion-settle) both}html[data-motion-effective=enhanced] .answer-card.correct .answer-letter{border-color:var(--success);background:var(--success);color:var(--surface)}html[data-motion-effective=enhanced] .answer-card.incorrect .answer-letter{border-color:var(--danger);background:var(--danger);color:var(--surface)}@keyframes wow9-ticket-stamp{0%{transform:rotate(0) scale(1)}58%{transform:rotate(-5deg) scale(1.06)}to{transform:rotate(-2deg) scale(1)}}@keyframes wow9-continuity-seat{0%{opacity:.55;transform:translateY(4px)}to{opacity:1;transform:none}}@keyframes wow9-continuity-ink{0%{transform:translate(-110%)}to{transform:translate(110%)}}@keyframes wow9-pin-mark{0%{opacity:.3;transform:rotate(-3deg) scale(.94)}70%{transform:rotate(1deg) scale(1.02)}to{opacity:1;transform:none}}@keyframes wow9-answer-ink{0%{opacity:.25;transform:scaleX(.08)}to{opacity:.86;transform:scaleX(1)}}@keyframes wow9-answer-seat{0%{transform:translateY(1px) scale(.995)}72%{transform:translateY(-1px)}to{transform:none}}@keyframes wow9-answer-stamp{0%{transform:rotate(0) scale(.9)}68%{transform:rotate(-4deg) scale(1.06)}to{transform:rotate(-2deg) scale(1)}}@keyframes wow9-wrong-mark{0%{opacity:.2;transform:scaleX(.12)}65%{opacity:1;transform:scaleX(1.025)}to{opacity:.9;transform:scaleX(1)}}@keyframes wow9-feedback-seat{0%{transform:translateY(1px) scale(.996)}68%{transform:translateY(-1px)}to{transform:none}}@media(max-width:760px){html[data-motion-effective=enhanced] .study-ticket[data-pressing=true]{scale:.99}html[data-motion-effective=enhanced] .ticket-state-active:after{animation-duration:.42s}}@media(prefers-reduced-motion:reduce){html[data-motion-effective=enhanced] :is(.study-ticket,.ticket-subject-mark,.ticket-state,.answer-card,.answer-letter){animation:none!important;transition-duration:0s!important;transform:none!important}html[data-motion-effective=enhanced] :is(.study-ticket,.ticket-state-active,.answer-card):before,html[data-motion-effective=enhanced] :is(.study-ticket,.ticket-state-active,.answer-card):after{animation:none!important}}html[data-motion-effective=enhanced] .study-ticket .deck-open:before{display:none}html[data-motion-effective=enhanced] .study-ticket .deck-open:is(:hover,:focus-visible){animation:wow10-cta-seat .22s var(--motion-settle) both}html[data-motion-effective=enhanced] .study-ticket .deck-open:is(:hover,:focus-visible) svg{animation:wow10-arrow-mark .26s var(--motion-stamp) both}html[data-motion-effective=enhanced] .study-ticket[data-pointer=intent] .ticket-subject-mark{animation:wow10-subject-mark .3s var(--motion-stamp) both}html[data-motion-effective=enhanced] .study-ticket[data-pointer=intent] .ticket-kicker{text-decoration:underline;text-decoration-color:var(--accent-deep);text-decoration-thickness:2px;text-underline-offset:4px}html[data-motion-effective=enhanced] .dialog[open]{animation:wow10-dialog-paper .32s var(--motion-settle) both;transform-origin:50% 18%}html[data-motion-effective=enhanced] .dialog[open] .dialog-heading{animation:wow10-dialog-heading .24s var(--motion-settle) 35ms backwards}html[data-motion-effective=enhanced] .dialog[open] .dialog-subject{animation:wow10-dialog-section .26s var(--motion-settle) 75ms backwards}html[data-motion-effective=enhanced] .dialog[open] .mode-choices{animation:wow10-dialog-section .28s var(--motion-settle) 105ms backwards}html[data-motion-effective=enhanced] .dialog[open] :is(.start-summary,.resume-note){animation:wow10-dialog-section .26s var(--motion-settle) 135ms backwards}html[data-motion-effective=enhanced] .dialog[open] .dialog-actions{animation:wow10-dialog-actions .26s var(--motion-settle) 165ms backwards}html[data-motion-effective=enhanced] .mode-choices label.selected{animation:wow10-option-seat .23s var(--motion-settle) both}html[data-motion-effective=enhanced] .answer-grid .answer-card.selected:not(.correct):not(.incorrect):before{display:block;z-index:0;inset:0;height:auto;border:0;border-radius:inherit;background:linear-gradient(102deg,color-mix(in srgb,var(--accent) 46%,transparent),transparent 66%);opacity:0;transform:scaleX(.08);transform-origin:left;animation:wow10-answer-sweep .3s var(--motion-ink) both!important}html[data-motion-effective=enhanced] .answer-card.correct:before,html[data-motion-effective=enhanced] .answer-card.incorrect:before{display:none}html[data-motion-effective=enhanced] .answer-card .answer-state{animation:wow10-status-write .25s var(--motion-stamp) 55ms both}html[data-motion-effective=enhanced] .truth-grid .answer-card.selected:not(.correct):not(.incorrect):before{inset:0;transform-origin:center}html[data-motion-effective=enhanced] .account-menu[open] .account-menu-sheet{animation:wow10-action-sheet .22s var(--motion-settle) both}@keyframes wow10-cta-seat{0%{transform:translateY(1px)}70%{transform:translateY(-1px)}to{transform:none}}@keyframes wow10-arrow-mark{0%{transform:translate(0) rotate(0)}60%{transform:translate(4px) rotate(-5deg)}to{transform:translate(2px) rotate(0)}}@keyframes wow10-subject-mark{0%{transform:rotate(0) scale(1)}62%{transform:rotate(-4deg) scale(1.055)}to{transform:rotate(-1deg) scale(1)}}@keyframes wow10-dialog-paper{0%{opacity:.28;transform:translateY(14px) scale(.982);clip-path:inset(0 0 10% 0 round 18px)}to{opacity:1;transform:none;clip-path:inset(0 round 18px)}}@keyframes wow10-dialog-heading{0%{opacity:.3;transform:translateY(-5px)}to{opacity:1;transform:none}}@keyframes wow10-dialog-section{0%{opacity:.25;transform:translateY(7px)}to{opacity:1;transform:none}}@keyframes wow10-dialog-actions{0%{opacity:.2;transform:translateY(5px)}to{opacity:1;transform:none}}@keyframes wow10-option-seat{0%{transform:scale(.994)}70%{transform:scale(1.004)}to{transform:none}}@keyframes wow10-answer-sweep{0%{opacity:.7;transform:scaleX(.08)}72%{opacity:.38;transform:scaleX(1)}to{opacity:0;transform:scaleX(1)}}@keyframes wow10-status-write{0%{opacity:0;transform:translate(5px)}to{opacity:1;transform:none}}@keyframes wow10-action-sheet{0%{opacity:.2;transform:translateY(-5px) scaleY(.96)}to{opacity:1;transform:none}}@media(max-width:760px){html[data-motion-effective=enhanced] .dialog[open]{animation-duration:.26s}html[data-motion-effective=enhanced] .study-ticket .deck-open:is(:hover,:focus-visible){animation:none}}@media(prefers-reduced-motion:reduce){html[data-motion-effective=enhanced] :is(.dialog,.dialog-heading,.dialog-subject,.mode-choices,.dialog-actions,.study-ticket,.deck-open,.ticket-subject-mark,.answer-card,.answer-state,.account-menu-sheet){animation:none!important;transition-duration:0s!important;transform:none!important;clip-path:none!important}}.math-content-container{display:inline;word-break:normal;overflow-wrap:break-word}.math-content-inner{display:inline-block;position:relative;width:fit-content;max-width:100%;vertical-align:middle}.katex-mathml{display:none!important}.katex-inline-host{display:inline-block;vertical-align:middle;margin:0 2px;white-space:nowrap;position:relative;max-width:100%;overflow-x:auto}.katex-inline-host .katex{white-space:nowrap!important}.katex-block-host{display:block;margin:14px 0;padding:12px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius, 12px);overflow-x:auto;text-align:center}.content-image-wrapper{display:block;margin:12px 0;position:relative;text-align:center}.content-image{max-width:100%;max-height:480px;border-radius:12px;border:1px solid var(--line);background:var(--surface);box-shadow:0 4px 14px #0000000f;cursor:zoom-in;transition:transform .2s ease,box-shadow .2s ease}.content-image:hover{transform:scale(1.01);box-shadow:0 6px 20px #0000001a}.image-zoom-indicator{display:inline-flex;align-items:center;gap:5px;margin-top:6px;font-size:12px;color:var(--muted);background:var(--soft);border:0;border-radius:20px;padding:4px 10px;cursor:pointer}.lightbox-dialog-body{display:flex;justify-content:center;align-items:center;max-height:70vh;overflow:auto;padding:10px}.lightbox-image{max-width:100%;max-height:65vh;object-fit:contain;border-radius:8px}.math-fallback{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:var(--soft);padding:2px 6px;border-radius:6px;font-size:.9em}.error-feedback-trigger{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:20px;background:var(--surface);border:1px dashed var(--line);color:var(--muted);font-size:12px;cursor:pointer;transition:all .2s ease}.error-feedback-trigger:hover{color:var(--text);border-color:var(--muted);background:var(--soft)}.feedback-success-note{text-align:center;padding:24px 12px;color:var(--accent-deep)}.feedback-form{display:flex;flex-direction:column;gap:14px}.editor-image-bar{display:flex;align-items:center;gap:10px;margin-top:8px;flex-wrap:wrap}.image-attach-btn{display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:6px 12px;border-radius:8px;background:var(--soft);color:var(--text);border:1px dashed var(--line);cursor:pointer}.image-attach-btn:hover{background:var(--accent)}.attached-thumb-pill{display:inline-flex;align-items:center;gap:6px;padding:4px 8px;background:var(--surface);border:1px solid var(--line);border-radius:6px;font-size:12px}.attached-thumb-pill img{width:24px;height:24px;object-fit:cover;border-radius:4px}.attached-thumb-pill button{background:transparent;border:0;cursor:pointer;color:var(--danger);font-weight:700}.rich-media-field{position:relative;display:flex;flex-direction:column;gap:6px;width:100%}.rich-media-field.is-drag-over .rich-media-input-wrapper{outline:2px dashed var(--accent-deep);border-radius:12px;background:#d7f86b26}.rich-media-input-wrapper{position:relative;width:100%}.drag-drop-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#f3f3ebd9;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);border-radius:12px;font-weight:600;color:var(--text);pointer-events:none;font-size:14px;border:2px dashed var(--accent-deep)}.rich-media-toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.media-attach-btn{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:4px 10px;border-radius:8px;background:var(--soft);color:var(--text);border:1px solid var(--line);cursor:pointer;transition:all .14s ease}.media-attach-btn:hover:not(:disabled){background:var(--accent);border-color:var(--accent-deep)}.media-status-pill{font-size:12px;padding:3px 8px;border-radius:6px}.media-status-pill.uploading{background:var(--soft);color:var(--text);font-style:italic}.media-status-pill.error{background:#fee2e2;color:#dc2626}.rich-media-attachments{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:6px 10px;background:var(--soft);border-radius:8px;border:1px solid var(--line);margin-top:4px}.attachment-label{font-size:12px;font-weight:600;color:var(--text-muted)}.attachment-thumbnails{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.attachment-chip{display:inline-flex;align-items:center;gap:6px;padding:3px 6px;background:var(--surface);border:1px solid var(--line);border-radius:6px;box-shadow:0 1px 3px #0000000f}.attachment-thumb-img{width:28px;height:28px;object-fit:cover;border-radius:4px;cursor:zoom-in;border:1px solid var(--line)}.attachment-remove-btn{background:transparent;border:0;color:var(--danger, #dc2626);font-size:13px;font-weight:700;cursor:pointer;padding:0 2px;line-height:1}.attachment-remove-btn:hover{opacity:.7}html[data-motion-effective=enhanced] .panel{background:color-mix(in srgb,var(--surface) 93%,transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}@media(hover:hover)and (pointer:fine){html[data-motion-effective=enhanced] .answer-card:not([aria-disabled=true]):hover{transform:translate(4px) scale(1.006)}html[data-motion-effective=enhanced] .saved-card:hover{transform:translateY(-5px);box-shadow:0 10px 24px #2428201f}}.quiz-layout{max-width:1180px;margin:auto}.quiz-top{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:24px}.attempt-timer{margin-left:auto;display:inline-flex;align-items:center;gap:7px;min-height:36px;padding:6px 12px;border-radius:30px;background:var(--soft);font-variant-numeric:tabular-nums;font-weight:700}.attempt-timer.critical{color:var(--danger)}.review-flag{display:inline-flex;align-items:center;gap:8px;min-height:44px;margin:0 0 14px auto;padding:9px 12px;border:0;border-radius:30px;background:var(--soft);color:var(--text);font-size:13px;font-weight:600}.review-flag.is-flagged{background:var(--accent)}.question-dots button.flagged{outline:2px dashed currentColor;outline-offset:2px}.review-jumps{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px}.navigator-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px;color:var(--muted);font-size:12px}.navigator-legend span{display:inline-flex;align-items:center;gap:5px}.navigator-legend i{width:9px;height:9px;border-radius:3px;background:var(--line)}.navigator-legend i.answered{background:var(--text)}.navigator-legend i.flagged{background:transparent;outline:1px dashed var(--text)}.mode-badge{background:var(--text);color:var(--accent);font-size:14px;padding:10px 16px;border-radius:30px}.quiz-heading{display:flex;align-items:center;gap:16px;margin-bottom:24px}.quiz-subject-icon{display:grid;place-items:center;flex:none;width:60px;height:60px;background:var(--soft);border-radius:16px}.quiz-heading>div{min-width:0;flex:1}.quiz-heading h1{font-size:26px;letter-spacing:-.8px;margin-top:6px;white-space:pre-wrap;line-height:1.5}.quiz-count{font-size:14px;white-space:nowrap}.quiz-count strong{font-size:24px}.progress-track{height:7px;background:#dce1d2;border-radius:8px;overflow:hidden}.progress-track>span{display:block;width:100%;height:100%;background:var(--accent-deep);transform-origin:left;border-radius:inherit}.resume-feature .progress-track>span{background:var(--accent)}.question-stage{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:28px;margin-top:28px;align-items:start}.question-card{background:var(--surface);border-radius:22px;padding:32px;min-width:0;box-shadow:0 6px 0 var(--line)}.question-meta{display:flex;justify-content:space-between;gap:16px;font-size:14px;color:var(--muted);margin-bottom:20px}.question-meta>span:first-child{font-size:18px;font-weight:700;color:var(--accent-deep)}.question-tools{display:flex;justify-content:flex-end;align-items:center;flex-wrap:wrap;gap:8px;margin:-4px 0 14px}.question-tools .review-flag,.question-tools .question-bookmark{margin:0;min-height:44px;padding:8px 12px;font-size:13px}.question-card h2{font-size:28px;line-height:1.45;letter-spacing:-.6px;white-space:pre-wrap;max-width:65ch;overflow-wrap:break-word;word-break:break-word}.answer-instruction{font-size:14px;margin:14px 0 24px}.answer-grid{display:grid;gap:12px}.truth-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.truth-grid .answer-card{min-height:108px;justify-content:center;font-size:20px;font-weight:700}.truth-grid .answer-letter{border-radius:50%}.answer-card{display:flex;align-items:center;gap:16px;min-height:76px;padding:16px 20px;border-radius:12px;background:var(--soft);color:var(--text);text-align:left;font-size:17px;line-height:1.65;white-space:pre-wrap;overflow-wrap:break-word;word-break:normal;box-shadow:inset 0 0 0 1px var(--line);transition:transform .16s var(--ease)}.answer-card>span:nth-child(2){min-width:0;flex:1}.answer-letter{width:36px;height:36px;flex:none;display:grid;place-items:center;border-radius:8px;background:var(--surface);font-size:14px;font-weight:700}.answer-card.selected{background:var(--text);color:var(--surface);box-shadow:none}.answer-card.selected .answer-letter{background:var(--accent);color:#121510!important;font-weight:800}.answer-card.correct{background:#e0efdf;color:var(--success);box-shadow:inset 0 0 0 2px var(--success)}.answer-card.incorrect{background:#f5dfd8;color:var(--danger);box-shadow:inset 0 0 0 2px var(--danger)}.answer-card.correct .answer-letter{background:var(--success);color:var(--surface)}.answer-card.incorrect .answer-letter{background:var(--danger);color:var(--surface)}.answer-state{display:flex;flex:none}.question-feedback{margin-top:20px}.feedback{display:flex;gap:14px;align-items:flex-start;padding:18px;border-radius:12px;animation:feedback-in .2s var(--ease)}.feedback.correct{background:#e0efdf;color:var(--success)}.feedback.wrong{background:#f5dfd8;color:var(--danger)}.feedback p{font-size:14px;color:inherit;margin-top:6px;white-space:pre-wrap}.question-actions{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:24px}.keyboard-hint{font-size:12px;line-height:1.8;color:var(--muted)}.quiz-guide{position:sticky;top:112px;padding:22px;border:1px solid var(--line);border-radius:18px 18px 36px;background:color-mix(in srgb,var(--soft) 58%,var(--bg))}.guide-heading{display:flex;align-items:center;gap:10px;margin-bottom:16px}.guide-heading h2{font-size:18px}.quiz-guide p{font-size:14px}.question-dots{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0;max-height:360px;overflow:auto;padding:4px}.question-dots button,.question-dots>span{display:grid;place-items:center;min-width:44px;height:44px;font-size:14px;background:var(--surface);color:var(--muted);border-radius:9px;box-shadow:inset 0 0 0 1px var(--line)}.question-dots .answered{background:var(--soft);color:var(--text)}.question-dots .current{background:var(--text);color:var(--accent);box-shadow:0 0 0 2px var(--text),0 0 0 4px var(--bg)}.guide-bottom{display:flex;gap:10px;font-size:12px;line-height:1.8;color:var(--muted);margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}.guide-bottom svg{width:18px}.result-page{max-width:1080px;margin:auto}.result-hero{position:relative;display:grid;grid-template-columns:1fr 260px;column-gap:36px;background:var(--text);color:var(--surface);padding:40px;border-radius:28px;overflow:hidden}.result-trophy{position:absolute;right:24px;top:22px;color:var(--accent);opacity:.65!important}.result-aura{display:none}.result-eyebrow{font-size:14px;color:#ccd1c1;overflow-wrap:break-word;word-break:normal;grid-column:1}.result-hero h1{font-size:36px;margin:20px 0 14px;grid-column:1}.result-hero>p{color:#ccd1c1;grid-column:1}.score-display{grid-column:2;grid-row:1/5;align-self:center;text-align:center;position:relative;padding:30px 0;background:var(--accent);color:#121510!important;border-radius:50%;aspect-ratio:1;display:flex;flex-direction:column;justify-content:center;transform:rotate(-5deg)}.score-display>strong{color:#121510!important;font-size:86px;line-height:1.2;letter-spacing:-5px;font-variant-numeric:tabular-nums}.score-display small{color:#121510!important;font-size:36px;letter-spacing:-1px}.score-display>span{color:#121510!important;font-size:14px;margin-top:10px}.result-chips{display:flex;flex-wrap:wrap;gap:8px;grid-column:1;margin:24px 0}.result-chips span{padding:8px 12px;background:#39412e;color:#e6eadc;border-radius:8px;font-size:14px}.result-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;grid-column:1/-1}.result-actions .button:first-child{min-width:190px}.result-actions .soft{background:#424b36;color:var(--surface)}.result-actions .result-review-action{border:1px solid #66705a;background:transparent;color:var(--surface)}.result-actions .result-review-action:disabled{border-color:#596052;background:#30362b;color:#c7ccbf}.result-actions .result-retake-action{min-width:190px}.result-actions .result-nav-action{padding-inline:10px;background:transparent;color:#d9ded1}.result-actions .result-nav-action:hover{color:var(--accent)}.review-section{margin-top:40px}.review-card{position:relative;padding:28px;margin:20px 0;background:var(--surface);border-radius:18px}.review-card .bookmark-control{position:absolute;top:22px;right:22px;min-height:44px;color:var(--muted);background:transparent;font-size:13px}.review-card .review-status{padding-right:190px}.review-status{display:flex;align-items:center;gap:10px;font-size:14px;margin-bottom:16px}.review-status.correct{color:var(--success)}.review-status.wrong{color:var(--danger)}.review-card h3{font-size:22px;line-height:1.65;white-space:pre-wrap}.review-answers{display:flex;gap:28px;margin-top:20px}.review-answers p{flex:1;min-width:0}.review-answers .review-label,.review-answers p>span:first-child{display:block;font-size:14px;margin-bottom:8px;color:var(--muted)}.review-answers strong .math-content-container{display:inline;word-break:normal;overflow-wrap:break-word}.review-answers strong .math-content-inner{display:inline-block;vertical-align:middle;width:fit-content;max-width:100%}.review-answers strong .katex-inline-host{display:inline-block;vertical-align:middle;white-space:nowrap}.review-answers strong .katex,.review-answers strong .katex-html{white-space:nowrap!important}.review-answers strong{display:block;font-weight:600;color:var(--text);white-space:normal;overflow-wrap:break-word;word-break:normal;line-height:1.5}.review-explanation{display:flex;gap:14px;background:var(--soft);padding:20px;border-radius:12px;margin-top:24px}.review-explanation p{white-space:pre-wrap;color:var(--text)}@keyframes feedback-in{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}@media(hover:hover)and (pointer:fine){.answer-card:not([aria-disabled=true]):hover{background:color-mix(in srgb,var(--soft) 72%,var(--surface));box-shadow:inset 0 0 0 1px var(--accent-deep)}.question-dots button:not(.current):hover{background:var(--soft)}}@media(max-width:1024px){.question-stage{grid-template-columns:minmax(0,1fr) 210px;gap:22px}.question-card{padding:26px}.question-actions{flex-wrap:wrap}.result-hero{grid-template-columns:1fr 220px}.score-display>strong{font-size:72px}}@media(max-width:760px){.question-tools{justify-content:flex-start}.question-tools .review-flag,.question-tools .question-bookmark{min-height:44px}.review-card .bookmark-control{position:static;margin:0 0 14px;min-height:44px}.review-card .review-status{padding-right:0}.result-actions .result-retake-action{order:-1;width:100%}.result-actions .result-review-action{flex:1 1 calc(50% - 6px)}.result-actions .result-nav-action{flex:1 1 auto}}@media(max-width:760px){.quiz-top{flex-wrap:wrap}.attempt-timer,.review-flag{margin-left:0}.quiz-top{gap:12px;margin-bottom:20px}.mode-badge{font-size:12px;padding:9px 12px}.quiz-heading{flex-wrap:wrap;gap:12px}.quiz-subject-icon{width:44px;height:44px;border-radius:10px}.quiz-heading h1{font-size:20px}.quiz-count{width:100%;text-align:right}.question-stage{display:flex;flex-direction:column;gap:24px;margin-top:22px}.question-card{width:100%;padding:22px 18px;border-radius:16px}.question-card h2{font-size:23px;line-height:1.6}.answer-card{font-size:16px;padding:14px 12px;gap:12px;min-height:72px}.answer-letter{width:32px;height:32px}.truth-grid{grid-template-columns:1fr 1fr}.truth-grid .answer-card{min-height:92px;flex-direction:column}.is-learning .quiz-layout,.is-learning .question-card{padding-bottom:96px}.question-actions{position:fixed;bottom:0;left:0;right:0;z-index:90;background:var(--surface);border-top:1px solid var(--line);padding:10px 16px max(14px,env(safe-area-inset-bottom));box-shadow:0 -4px 20px #2428201a;display:flex;flex-direction:row;justify-content:space-between;align-items:center;margin:0;gap:12px}.question-actions>.button{flex:1 1 auto;width:100%;min-height:52px;font-size:16px;font-weight:700;border-radius:14px}.keyboard-hint{display:none}.answer-card{min-height:52px;padding:14px 16px;font-size:16px;line-height:1.5;border-radius:14px;margin-bottom:10px;touch-action:manipulation}.answer-card:active{transform:scale(.985);background-color:var(--soft)}.quiz-guide{position:static;width:100%;padding:20px;border-radius:16px 16px 28px}.question-dots{max-height:none;overflow:visible}.result-hero{display:flex;flex-direction:column;align-items:flex-start;padding:28px 24px;border-radius:22px}.result-trophy{right:16px;top:16px}.result-trophy svg{width:32px;height:32px}.result-eyebrow{padding-right:35px}.result-hero h1{font-size:28px}.score-display{width:178px;align-self:center;margin:28px 0 12px;padding:20px 0;flex:none}.score-display>strong{font-size:60px}.score-display small{font-size:30px}.result-chips{margin:20px 0}.result-actions{width:100%;flex-direction:column}.review-card{padding:22px 18px}.review-card h3{font-size:20px}.review-answers{flex-direction:column;gap:16px}.review-explanation{padding:16px}.review-explanation p{font-size:14px}}.answer-option-row{display:flex;align-items:stretch;gap:8px}.answer-option-row>.answer-card{flex:1;min-width:0}.answer-option-row>.strike-toggle-btn{flex:none;align-self:center;min-height:38px;padding:0 10px;border:1px dashed var(--line);border-radius:10px;background:var(--surface);color:var(--muted);cursor:pointer;font-size:13px;transition:all .15s ease}.answer-option-row>.strike-toggle-btn[aria-pressed=true]{background:var(--soft);color:var(--text);border-style:solid}.question-nav-buttons{display:flex;align-items:center;gap:10px;margin-left:auto}.submit-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0;padding:16px;background:var(--soft);border-radius:14px;text-align:center}.submit-summary span{display:block;font-size:12px;color:var(--muted)}.submit-summary strong{display:block;font-size:18px;margin-top:4px}.submit-jumps{margin:12px 0;text-align:center}.question-tools{display:flex;align-items:center;gap:10px;margin-bottom:14px}.question-bookmark{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:9px 12px;border:1px dashed var(--line);border-radius:30px;background:var(--surface);color:var(--text);font-size:13px;font-weight:600;cursor:pointer;margin-left:auto}.question-bookmark[aria-pressed=true]{background:var(--accent);border-color:var(--accent-deep)}@media(max-width:760px){.question-nav-buttons{width:100%}.question-nav-buttons>.button{flex:1}}@media(max-width:480px){.result-hero{padding:20px 16px!important}.result-hero h1{font-size:24px!important}.score-display{width:140px!important;padding:16px 0!important;margin:18px 0 10px!important}.score-display>strong{font-size:46px!important;letter-spacing:-2px!important}.score-display small{font-size:22px!important}.score-display>span{font-size:12px!important}.question-card{padding:18px 16px!important}.question-card h2{font-size:18px!important;line-height:1.45!important}.answer-card{padding:12px 14px!important;min-height:60px!important;font-size:15px!important}}.question-bookmark{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:9px 16px;border:1px solid var(--line);border-radius:999px;background:var(--surface)!important;color:var(--text)!important;font-size:13px;font-weight:700;cursor:pointer;margin-left:auto;transition:all .18s ease}.question-bookmark:hover{background:var(--soft)!important;border-color:var(--accent-deep)}.question-bookmark[aria-pressed=true]{background:var(--accent)!important;color:#121510!important;border-color:var(--accent-deep)!important;font-weight:800!important}.review-flag{display:inline-flex;align-items:center;gap:8px;min-height:44px;margin:0 0 14px auto;padding:9px 16px;border:1px solid var(--line);border-radius:999px;background:var(--surface)!important;color:var(--text)!important;font-size:13px;font-weight:700;cursor:pointer;transition:all .18s ease}.review-flag:hover{background:var(--soft)!important;border-color:var(--accent-deep)}.review-flag.is-flagged{background:var(--accent)!important;color:#121510!important;border-color:var(--accent-deep)!important;font-weight:800!important}.bookmark-control{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:9px 16px;border:1px solid var(--line);border-radius:999px;background:var(--surface)!important;color:var(--text)!important;font-size:13px;font-weight:700;cursor:pointer;transition:all .18s ease}.bookmark-control:hover{background:var(--soft)!important;border-color:var(--accent-deep)}.bookmark-control[aria-pressed=true]{background:var(--accent)!important;color:#121510!important;border-color:var(--accent-deep)!important;font-weight:800!important}.field-label{display:flex;flex-direction:column;gap:10px;font-size:14px;font-weight:600;line-height:1.6;margin-bottom:20px;min-width:0}.text-input{display:block;width:100%;min-height:50px;border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:12px 14px;color:var(--text);font-size:16px;line-height:1.6;resize:vertical}.text-input::placeholder{color:var(--muted);opacity:1}.text-input[aria-invalid=true]{border-color:var(--danger);background:#fff1ea}.editor-page{max-width:1120px;margin:auto}.editor-steps{display:flex;list-style:none;padding:0;margin:0 0 28px;gap:24px}.editor-steps li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);flex:1}.editor-steps li>span{background:var(--soft);border-radius:50%;min-width:40px;height:40px;display:grid;place-items:center;font-variant-numeric:tabular-nums}.editor-steps .current{color:var(--text);font-weight:700}.editor-steps .current>span{background:var(--text);color:var(--accent)}.editor-steps .done>span{background:var(--accent);color:var(--text)}.editor-meta{display:grid;grid-template-columns:2fr 1fr;gap:24px;margin-bottom:24px}.editor-meta .field-label{margin:0}.paste-panel{padding:28px}.paste-panel>p{margin-bottom:24px}.paste-workbench{display:grid;grid-template-columns:240px 1fr;gap:24px}.format-guide{padding:24px;background:var(--text);color:var(--surface);border-radius:12px}.format-guide .section-label{color:#ccd1c1}.format-guide pre{font:14px/2 Be Vietnam Pro,sans-serif;color:var(--accent);white-space:pre-wrap;margin:20px 0}.format-guide p{font-size:14px;color:#ccd1c1}.raw-text{min-height:350px;background:var(--soft);color:var(--text);border:1px solid var(--line)}.paste-action{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:24px}.paste-action>span{font-size:14px;color:var(--muted)}.question-editor{min-width:0;border:0;margin:28px 0;background:var(--surface);border-radius:16px;box-shadow:var(--shadow)}.question-editor legend{background:var(--text);color:var(--accent);font-size:16px;font-weight:700;padding:9px 18px;border-radius:8px}.question-type-field{max-width:280px}.truth-editor{border:0;padding:0;margin:0 0 24px}.truth-editor>legend{padding:0;margin-bottom:12px;background:transparent;color:var(--text);font-size:14px}.truth-editor label{display:inline-flex;align-items:center;gap:10px;min-width:136px;min-height:52px;padding:12px 16px;margin-right:10px;border-radius:12px;background:var(--soft);cursor:pointer;transition:transform .16s var(--ease),background-color .16s var(--ease),box-shadow .16s var(--ease),color .16s var(--ease)}.truth-editor label:hover{background:color-mix(in srgb,var(--soft) 85%,var(--accent))}.truth-editor label:active{transform:scale(.97)}.truth-editor label.selected{background:var(--text);color:var(--accent);box-shadow:0 4px 14px #00000026}.truth-choice-indicator{display:inline-flex;align-items:center;justify-content:center;color:var(--muted);transition:color .16s var(--ease),transform .16s var(--ease)}.truth-editor label.selected .truth-choice-indicator{color:var(--accent);transform:scale(1.08)}.truth-editor label.selected input{border-color:var(--accent)}.truth-editor label.selected input:before{background:var(--accent)}.admin-page{max-width:1100px;margin:auto}.admin-search{max-width:420px;margin:24px 0}.admin-user-list{display:grid;gap:12px}.admin-user-row{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(170px,auto);align-items:center;gap:20px;padding:20px 24px;border:1px solid transparent;background:var(--surface);border-radius:14px;box-shadow:0 4px #e1e4d7}.admin-user-row:before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--line)}.admin-user-row:has(.permission-note.granted):before{background:var(--accent-deep)}.permission-note.granted{color:var(--accent-deep);font-weight:700}.permission-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:18px 0 22px;padding:10px;border:1px solid var(--line);border-radius:14px;background:var(--soft)}.permission-summary>div{display:grid;gap:3px;min-width:0;padding:10px 12px;border-radius:10px;background:var(--surface)}.permission-summary span{color:var(--muted);font-size:12px}.permission-summary strong{font-size:14px}.permission-summary a{min-height:44px;display:flex;align-items:center;padding:8px 12px;border-radius:10px;color:var(--accent-deep);font-size:13px;font-weight:700}.permission-summary a:hover{background:var(--accent);color:var(--text)}.sr-status:empty{display:none}.sr-status:not(:empty){margin:0 0 14px;padding:12px 14px;border-radius:10px;background:#edf8c8;color:var(--accent-deep);font-weight:700}.admin-user-row>div{min-width:0}.admin-user-row>div span{display:block;color:var(--muted);font-size:14px;margin-top:5px;overflow-wrap:break-word;word-break:normal}.admin-heading{position:relative;padding-right:150px}.admin-total{position:absolute;right:0;bottom:6px;display:grid;min-width:118px;padding:13px 16px;border:1px solid var(--line);border-radius:12px 4px;background:var(--surface);color:var(--muted);font-size:12px}.admin-total strong{color:var(--text);font-size:24px;line-height:1}.admin-toolbar{display:grid;grid-template-columns:minmax(240px,1fr) 190px 190px;gap:10px;align-items:center;margin:24px 0 18px;padding:10px;box-shadow:0 3px #e1e4d7}.admin-toolbar .admin-search{max-width:none;width:100%;margin:0;background:var(--soft)}.admin-toolbar .admin-search input,.admin-toolbar .product-select,.admin-toolbar .select-trigger{width:100%}.admin-user-list{gap:10px;overflow:visible}.admin-user-card{position:relative;z-index:1;display:grid;grid-template-columns:minmax(220px,1.15fr) auto minmax(300px,1.5fr) auto;gap:18px;align-items:center;padding:18px 18px 18px 22px;border:1px solid var(--line);border-radius:16px 5px;background:var(--surface);box-shadow:0 4px #e1e4d7}.admin-user-card.menu-open,.admin-user-card:has(.account-menu[open]),.admin-user-card:focus-within{z-index:500!important}.admin-user-card:before{content:"";position:absolute;inset:14px auto 14px 0;width:4px;border-radius:0 4px 4px 0;background:var(--accent-deep)}.admin-user-card[data-status=suspended]{background:color-mix(in srgb,var(--soft) 65%,var(--surface));color:color-mix(in srgb,var(--text) 76%,var(--muted))}.admin-user-card[data-status=suspended]:before{background:var(--danger)}.admin-identity{display:flex;min-width:0;align-items:center;gap:12px}.admin-identity>div{display:grid;min-width:0;gap:3px}.admin-identity>div span{color:var(--muted);font-size:13px;overflow-wrap:break-word;word-break:normal}.user-monogram{display:grid;flex:0 0 42px;width:42px;height:42px;place-items:center;border-radius:12px 3px;background:var(--text);color:var(--accent);font-size:18px;font-weight:700}.account-badges{display:flex;max-width:150px;flex-wrap:wrap;gap:6px}.account-badge{display:inline-flex;align-items:center;min-height:25px;padding:4px 8px;border:1px solid var(--line);border-radius:999px;font-size:10px;font-weight:700;letter-spacing:.045em;text-transform:uppercase}.account-badge.role-admin{border-color:var(--text);background:var(--text);color:var(--accent)}.account-badge.role-guest{border-color:var(--line);background:var(--soft);color:var(--muted)}.account-badge.guest-online{border-color:#10b981;background:#10b9811f;color:#047857}.account-badge.guest-expired{border-color:var(--line);background:var(--soft);color:var(--muted);opacity:.85}.account-badge.status-suspended{border-color:color-mix(in srgb,var(--danger) 45%,var(--line));color:var(--danger)}.admin-clean-guests-btn{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:7px 12px}.admin-guest-hint{font-size:13px;color:var(--muted);font-weight:400;margin-left:6px}.admin-facts{display:grid;grid-template-columns:1fr 1fr .8fr;gap:8px}.admin-facts>div{min-width:0;padding-left:10px;border-left:1px solid var(--line)}.admin-facts span,.admin-facts strong{display:block}.admin-facts span{margin-bottom:4px;color:var(--muted);font-size:11px}.admin-facts strong{font-size:12px;overflow-wrap:break-word;word-break:normal}.account-menu{position:relative}.account-menu[open]{z-index:501!important}.account-menu>summary{min-height:44px;list-style:none;white-space:nowrap}.account-menu>summary::-webkit-details-marker{display:none}.account-menu-sheet{position:absolute;z-index:502!important;top:calc(100% + 7px);right:0;display:grid;width:238px;padding:7px;border:1px solid var(--line);border-radius:13px 4px;background:var(--surface);box-shadow:0 16px 40px #00000047}.account-menu-sheet button{min-height:44px;padding:9px 11px;border:0;border-radius:8px;background:transparent;color:var(--text);text-align:left;font:inherit;font-size:13px;font-weight:600;cursor:pointer}.account-menu-sheet button:hover,.account-menu-sheet button:focus-visible{background:var(--soft)}.account-menu-sheet .menu-danger{color:var(--danger)}.menu-self-note{padding:9px 11px;color:var(--muted);font-size:12px}.account-confirm-card{display:grid;gap:4px;padding:14px;border-left:4px solid var(--accent-deep);border-radius:4px 12px 12px 4px;background:var(--soft)}.account-confirm-card span{color:var(--muted);overflow-wrap:break-word;word-break:normal}.quiz-settings{margin:20px 0}.quiz-settings summary{display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-size:17px;font-weight:700;padding:4px 0;-webkit-user-select:none;user-select:none}.quiz-settings summary::-webkit-details-marker{display:none}.quiz-settings summary:after{content:"▾";font-size:15px;font-weight:800;color:var(--accent-deep);transition:transform .2s var(--ease)}.quiz-settings[open] summary:after{transform:rotate(-180deg)}.compact-select{appearance:none;padding-right:42px;background:var(--surface) linear-gradient(45deg,transparent 50%,var(--accent-deep) 50%) calc(100% - 18px) 50% / 6px 6px no-repeat}.quiz-settings-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px;align-items:end}.setting-toggle{position:relative;display:flex;gap:12px;align-items:flex-start;min-height:62px;padding:13px 58px 13px 14px;border-radius:14px;background:var(--soft);cursor:pointer}.setting-toggle input{position:absolute;right:14px;top:50%;width:38px;height:22px;margin:-11px 0 0;appearance:none;border-radius:20px;background:var(--line);transition:background-color .18s var(--ease)}.setting-toggle input:after{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;border-radius:50%;background:var(--surface);transition:transform .18s var(--ease)}.setting-toggle input:checked{background:var(--text)}.setting-toggle input:checked:after{transform:translate(16px);background:var(--accent)}.setting-toggle input:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.setting-toggle span{display:grid;gap:4px}.setting-toggle small{color:var(--muted)}.start-summary{display:grid;gap:10px;padding-top:2px}.start-metrics{display:flex;align-items:baseline;gap:9px;color:var(--muted);font-size:14px}.start-metrics strong{color:var(--text);font-size:20px;font-variant-numeric:tabular-nums}.start-behaviors{display:flex;flex-wrap:wrap;gap:8px 16px}.start-behaviors span{display:inline-flex;align-items:center;gap:6px;color:var(--accent-deep);font-size:13px;font-weight:700}.start-behaviors svg{width:16px;height:16px}.motion-segments{border:0;padding:8px;margin:18px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px;border-radius:16px;background:var(--soft);box-sizing:border-box}.motion-segments legend{grid-column:1 / -1;font-weight:700;font-size:14px;margin-bottom:8px;padding:0 4px;color:var(--text)}.motion-segments label{position:relative;display:flex;flex-direction:column;align-items:flex-start;text-align:left;gap:8px;min-width:0;padding:14px 16px;border-radius:12px;cursor:pointer;background:var(--surface);transition:transform .16s var(--ease),background-color .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease);border:1.5px solid transparent;box-sizing:border-box;overflow:hidden}.motion-segments input{position:absolute;opacity:0;width:0;height:0;pointer-events:none}.motion-segments label.selected{background:var(--surface);box-shadow:0 4px 14px #24282014;border-color:var(--accent-deep)}.motion-segments label:active{transform:scale(.975)}.motion-segments label:has(input:focus-visible){outline:3px solid var(--accent);outline-offset:2px}.segment-indicator{width:18px;height:18px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;flex-shrink:0;transition:border-color .16s,background-color .16s}.segment-indicator i{width:8px;height:8px;border-radius:50%;background:transparent;transition:transform .16s,background-color .16s;transform:scale(0)}.motion-segments label.selected .segment-indicator{border-color:var(--accent-deep)}.motion-segments label.selected .segment-indicator i{background:var(--accent-deep);transform:scale(1)}.segment-info{display:flex;flex-direction:column;align-items:flex-start;width:100%;min-width:0;gap:4px}.segment-heading-row{display:flex;align-items:center;justify-content:flex-start;gap:8px;flex-wrap:wrap;width:100%}.segment-heading-row strong{font-size:14px;font-weight:700;color:var(--text);line-height:1.3}.segment-badge{font-size:10px;font-weight:600;padding:2px 7px;border-radius:999px;background:var(--line);color:var(--muted);text-transform:uppercase;letter-spacing:.03em;line-height:1;flex-shrink:0}.motion-segments label.selected .segment-badge{background:var(--accent);color:#121510;font-weight:700}.motion-segments small{color:var(--muted);font-size:12px;line-height:1.4;text-align:left;overflow-wrap:break-word}.theme-swatch{width:22px;height:22px;border-radius:50%;border:2px solid var(--line);flex-shrink:0;box-shadow:0 1px 4px #0000001f;transition:transform .16s}.motion-segments label.selected .theme-swatch{transform:scale(1.1);border-color:var(--accent-deep)}.theme-swatch-paper{background:#fbf9f4;border-color:#d6ccba}.theme-swatch-sepia{background:#f4ece1;border-color:#cbb698}.theme-swatch-night{background:#181c14;border-color:#404a36}.resume-note{padding:16px;border-radius:14px;background:var(--accent)}.resume-note p{margin:4px 0 0}.permission-note{color:var(--muted);font-size:14px;text-align:right}.options-editor{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.editor-controls{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap;margin:8px 0 24px}.option-actions{display:flex;gap:10px;flex-wrap:wrap}.question-danger-zone{margin-left:auto;padding-left:16px;border-left:1px solid var(--line)}.editor-controls .field-label{margin:0;min-width:200px}.editor-save{padding:24px;background:var(--soft);border-radius:16px;display:flex;flex-direction:column;gap:20px;align-items:flex-start}.editor-save ul,.parser-notes ul{padding-left:24px;line-height:1.8}.parser-notes summary{min-height:44px;cursor:pointer;font-weight:600}.parser-notes p{margin-top:16px}.settings-page{max-width:920px;margin:auto}.settings-panel{margin:24px 0}.settings-panel{position:relative;overflow:hidden}.settings-panel:before{content:"";position:absolute;inset:0 auto 0 0;width:5px;background:var(--line)}.settings-account:before{background:var(--accent)}.settings-device{background:color-mix(in srgb,var(--soft) 52%,var(--surface));box-shadow:none}.settings-session{border:1px solid var(--line);background:transparent;box-shadow:none}.settings-session:before{background:var(--danger)}.settings-password:before{background:var(--accent-deep)}.settings-section-heading{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.settings-section-heading>div{display:flex;align-items:baseline;gap:10px}.settings-section-heading p{max-width:330px;margin-top:2px;color:var(--muted);font-size:13px}.settings-index{color:var(--accent-deep);font-size:11px;font-weight:700;letter-spacing:.08em}.password-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.password-form label:first-child{grid-column:1/-1}.password-form .button{justify-self:start}.settings-danger-zone{display:flex;align-items:center;justify-content:space-between;gap:24px;border:1px solid color-mix(in srgb,var(--danger) 32%,var(--line));background:transparent;box-shadow:none}.settings-danger-zone:before{background:var(--danger)}.settings-danger-zone h2{display:inline;margin-left:10px}.settings-danger-zone p{margin-bottom:0}.settings-danger-zone .button{flex:none}.delete-account-form{display:grid;gap:12px}.settings-panel h2{letter-spacing:-.35px}.settings-account form{padding-top:4px}.settings-account .button.primary{min-width:156px}.settings-panel h2{margin-bottom:16px}.settings-panel p{margin:12px 0 20px;overflow-wrap:break-word;word-break:normal}.settings-panel form{max-width:560px}.settings-panel [role=status]:empty{display:none}.settings-panel [role=status]:not(:empty){padding:14px;background:#e0efdf;color:var(--success);border-radius:10px;margin-bottom:0}.preference{display:flex;align-items:flex-start;gap:16px;cursor:pointer}.preference input{width:24px;height:24px;flex:none;accent-color:var(--accent-deep)}.preference small{display:block;font-size:14px;line-height:1.7;color:var(--muted);margin-top:8px}.history-page{max-width:1100px;margin:auto}.history-list{margin-top:28px;background:transparent;box-shadow:none;padding:0}.history-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.history-list>h2,.history-list>.big-empty{grid-column:1 / -1}.history-list>h2{margin-bottom:6px}.history-row{display:flex;align-items:center;gap:24px;min-width:0;padding:24px;background:var(--surface);border-radius:14px;margin:14px 0;box-shadow:0 4px #e1e4d7}.history-list .history-row{position:relative;display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:14px;padding:18px;margin:0;border-radius:12px 24px 12px 12px}.history-list .history-row>div{align-self:center}.history-list .history-row>strong{grid-column:2;font-size:18px}.history-list .history-row>svg{grid-column:3;grid-row:1 / 3;align-self:center}.history-index{position:absolute;right:18px;top:12px;color:var(--muted);font-size:11px;font-variant-numeric:tabular-nums}.history-row>div{min-width:0;flex:1}.history-row h3{font-size:18px;line-height:1.6}.history-row p{font-size:14px;margin-top:6px}.history-lineage{display:inline-flex;width:fit-content;margin-top:7px;padding:3px 8px;border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));border-radius:7px;color:var(--text);background:color-mix(in srgb,var(--accent) 10%,var(--surface));font-size:11px;font-weight:800;letter-spacing:.045em;text-transform:uppercase}.history-row>strong{font-size:24px;font-variant-numeric:tabular-nums}.result-mini{display:grid;place-items:center;min-width:74px;height:64px;border-radius:12px;background:var(--soft);color:var(--text);font-size:22px;font-weight:700}.resume-panel{margin-top:24px}.resume-panel .history-row{background:var(--soft);box-shadow:none}.history-row:hover{background:var(--soft)}.dialog{padding:0;border:0;border-radius:24px;background:var(--surface);color:var(--text);width:min(580px,calc(100vw - 32px));max-height:calc(100svh - 48px);box-shadow:0 24px 100px #1115;overflow:auto}.dialog::backdrop{background:#20251ccd}.dialog[open]{animation:dialog-in .22s var(--ease) both}.dialog[data-closing=true]{animation:dialog-out .18s var(--ease) both}.dialog-content{padding:30px}.dialog-heading{display:flex;align-items:flex-start;gap:18px;justify-content:space-between;margin-bottom:24px}.dialog-heading h2{font-size:26px;line-height:1.45;white-space:pre-wrap}.dialog-actions{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap;margin-top:26px}.dialog-note{margin:16px 0}.dialog-subject{display:flex;align-items:center;gap:16px;padding:20px;background:var(--soft);border-radius:14px;margin-bottom:24px}.dialog-subject span{display:block;font-size:14px;color:var(--muted);margin-top:6px}.mode-choices{border:0;padding:0;margin:0;min-width:0}.mode-choices legend{font-weight:600;margin-bottom:16px}.mode-choices label{display:flex;align-items:flex-start;gap:14px;cursor:pointer;padding:18px;border-radius:14px;background:var(--soft);color:var(--text);border:1px solid var(--line);margin-top:10px;position:relative;transition:all .2s cubic-bezier(.16,1,.3,1)}.mode-choices label:hover,.mode-choices .mode-choice-card:hover{border-color:var(--accent);background:var(--soft)}.mode-choices label.selected,.mode-choices .mode-choice-card.selected{background:var(--soft);border-color:var(--accent-deep);box-shadow:0 4px 14px #0000000d,inset 0 0 0 1px var(--accent-deep)}.mode-choices label.mode-card-survival.selected{border-color:#d97706;box-shadow:0 4px 14px #d977061f,inset 0 0 0 1px #d97706}.mode-choices input[type=radio]{position:absolute!important;opacity:0!important;width:1px!important;height:1px!important;pointer-events:none!important;clip:rect(0,0,0,0)!important;margin:-1px!important}.mode-choice-badge{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:var(--surface);border:1px solid var(--line);color:var(--text);transition:transform .2s ease,background .2s ease,color .2s ease}.mode-choices label.selected .mode-choice-badge{transform:scale(1.05);background:var(--accent-deep);color:#fff;border-color:var(--accent-deep)}.mode-choices label.mode-card-survival.selected .mode-choice-badge{background:#d97706;color:#fff;border-color:#d97706}.mode-choice-content{flex:1;min-width:0}.mode-choice-content strong{display:block;font-size:15px;font-weight:600;line-height:1.3}.mode-choice-content small{display:block;font-size:13px;color:var(--muted);margin-top:3px;line-height:1.4}.mode-choice-indicator{width:24px;height:24px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--muted);transition:color .2s ease,transform .2s ease}.mode-choices label.selected .mode-choice-indicator{color:var(--accent-deep);transform:scale(1.1)}.mode-choices label.mode-card-survival.selected .mode-choice-indicator{color:#d97706}.mode-heart-icons{display:inline-flex;align-items:center;gap:2px;vertical-align:middle;color:#ef4444}.mode-heart-icons svg{color:#ef4444;fill:currentColor}.mode-choice-check{width:22px;height:22px;border-radius:50%;background:var(--accent-deep);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}.mode-choice-check.mode-check-survival{background:#d97706}.submit-art{display:grid;place-items:center;width:90px;height:90px;margin:0 auto 24px;background:var(--accent);border-radius:50%}@keyframes dialog-in{0%{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}@keyframes dialog-out{to{opacity:0;transform:translateY(8px) scale(.99)}}@media(max-width:760px){.quiz-settings-grid{grid-template-columns:1fr}.motion-segments{display:flex;flex-direction:column;gap:8px;padding:6px;border-radius:14px}.motion-segments legend{margin-bottom:6px}.motion-segments label{display:grid;grid-template-columns:auto 1fr;align-items:center;text-align:left;gap:12px;padding:12px 14px;border-radius:12px;min-height:56px;width:100%;box-sizing:border-box}.motion-segments .segment-indicator,.motion-segments .theme-swatch{grid-row:1 / span 2;align-self:center;flex-shrink:0}.segment-info{display:flex;flex-direction:column;align-items:flex-start;text-align:left;flex:1;min-width:0;gap:2px}.segment-heading-row{display:flex;align-items:center;justify-content:flex-start;gap:8px;width:100%}.segment-heading-row strong{font-size:14px;line-height:1.3;font-weight:700;color:var(--text)}.motion-segments small{font-size:12px;line-height:1.35;color:var(--muted);text-align:left;overflow-wrap:break-word}.editor-steps{gap:8px}.editor-steps li{flex-direction:column;align-items:flex-start;font-size:12px;gap:8px}.editor-meta,.options-editor,.paste-workbench{grid-template-columns:1fr}.format-guide{padding:18px}.format-guide pre{margin:12px 0}.format-guide p{display:none}.raw-text{min-height:300px}.paste-action{align-items:stretch;flex-direction:column}.editor-controls{display:grid;align-items:stretch;gap:14px;padding-top:4px}.editor-controls .field-label{width:100%}.option-actions{display:grid;grid-template-columns:1fr;gap:10px}.option-actions .button,.question-danger-zone .button{width:100%;min-height:48px}.question-danger-zone{margin-left:0;padding:14px 0 0;border-left:0;border-top:1px solid var(--line)}.question-editor{padding:20px}.truth-editor{display:grid;grid-template-columns:1fr 1fr;gap:10px}.truth-editor>legend{grid-column:1 / -1}.truth-editor label{min-width:0;margin:0;justify-content:center}.admin-user-row{grid-template-columns:1fr auto;padding:18px}.admin-user-row .button,.permission-note{grid-column:1 / -1;width:100%;text-align:center}.permission-summary{grid-template-columns:1fr}.history-row{gap:14px;flex-wrap:wrap;padding:20px}.history-list{grid-template-columns:1fr;gap:12px}.history-list .history-row{display:flex!important;flex-direction:column!important;align-items:stretch!important;gap:12px!important;padding:18px 20px!important;border-radius:16px!important;background:var(--surface)!important;border:1px solid var(--line)!important;box-shadow:0 4px 12px #2428200a!important;margin-bottom:12px!important}.history-list .history-row .history-index{display:none!important}.history-list .history-row .result-mini{align-self:flex-start!important;margin-bottom:2px!important}.history-list .history-row>div{width:100%!important;flex-basis:auto!important}.history-list .history-row h3{font-size:16px!important;line-height:1.4!important;margin:4px 0 6px!important}.history-list .history-row>strong{align-self:flex-end!important;font-size:22px!important;margin-top:-36px!important;color:var(--accent-deep)!important}.history-list .history-row>svg{display:none!important}.dialog{max-height:calc(100svh - 24px);border-radius:22px;width:calc(100vw - 24px)}.dialog-content{padding:24px 20px}.dialog-heading h2{font-size:23px}.dialog-actions .button{flex:1;min-width:120px}.editor-page>.section-heading{flex-direction:column;align-items:flex-start}.history-list{padding:0!important}}.library-compact-controls,.history-filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.library-compact-controls .product-select,.history-filters .product-select{min-width:150px}.deck-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.card-utility,.bookmark-control,.question-bookmark{min-height:44px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--text);padding:0 14px;font:inherit;font-weight:700;cursor:pointer;transition:transform .18s ease,border-color .18s ease,background .18s ease}.card-utility:hover,.bookmark-control:hover,.question-bookmark:hover{transform:translateY(-2px);border-color:var(--accent-deep)}.pin-label{color:var(--accent-deep);font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.resume-card-action{box-shadow:0 7px color-mix(in srgb,var(--accent-deep) 24%,transparent)}.submit-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.submit-summary div,.history-facts div{padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--soft)}.submit-summary span,.history-facts span{display:block;color:var(--muted);font-size:13px}.submit-summary strong,.history-facts strong{font-size:22px}.submit-jumps{display:flex;gap:10px;flex-wrap:wrap}.history-list-heading{display:flex;justify-content:space-between;gap:18px;align-items:end;margin:22px 0 12px}.history-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0}.learner-preview-banner{display:flex;justify-content:space-between;gap:16px;padding:14px 16px;border-radius:14px;background:var(--soft);margin-bottom:18px}.learner-preview-banner span,.learner-preview-progress{color:var(--muted);font-size:13px}.learner-preview-question{font-size:clamp(20px,3vw,28px);line-height:1.35}.learner-preview-options{display:grid;gap:12px;margin:18px 0}.learner-preview-options button{display:flex;align-items:center;gap:14px;min-height:58px;text-align:left;border:1.5px solid var(--line);border-radius:15px;background:var(--surface);color:var(--text)!important;padding:12px 18px;font:inherit;font-weight:600;cursor:pointer;width:100%;transition:transform .16s var(--ease),border-color .16s var(--ease),background-color .16s var(--ease),box-shadow .16s var(--ease)}.learner-preview-options button:hover{border-color:var(--accent-deep)}.learner-preview-badge,.learner-preview-options button>span:first-child{display:grid;place-items:center;width:36px;height:36px;flex:0 0 36px;border-radius:10px;background:var(--soft);color:var(--text)!important;font-weight:700;font-size:14px;transition:background-color .16s var(--ease),color .16s var(--ease)}.learner-preview-text,.learner-preview-options button .math-content-container{flex:1 1 auto;min-width:0;word-break:normal!important;overflow-wrap:break-word!important;white-space:normal!important;line-height:1.45;color:var(--text)!important}.learner-preview-options button.selected{border-color:var(--accent-deep);box-shadow:inset 0 0 0 1.5px var(--accent-deep),0 4px 14px #0000000f;background:color-mix(in srgb,var(--accent) 18%,var(--surface));color:var(--text)!important}.learner-preview-options button.selected .learner-preview-badge,.learner-preview-options button.selected>span:first-child{background:var(--text)!important;color:var(--accent)!important}.account-badge.plan-vip{background:#2d2655;color:#fff}.account-badge.plan-free{background:var(--soft);color:var(--text)}@media(max-width:760px){.library-compact-controls,.history-filters{display:grid;grid-template-columns:1fr 1fr;width:100%}.library-compact-controls>*:first-child,.history-filters>*:first-child{grid-column:1/-1}.submit-summary,.history-facts{grid-template-columns:1fr}.history-list-heading{align-items:stretch;flex-direction:column}.learner-preview-banner{flex-direction:column;gap:4px}.deck-actions>*{flex:1}.card-utility{padding-inline:12px}}@media(prefers-reduced-motion:reduce){.card-utility,.bookmark-control,.question-bookmark{transition:none}.card-utility:hover,.bookmark-control:hover,.question-bookmark:hover{transform:none}}@media(min-width:900px){.settings-page{max-width:1100px;display:grid;grid-template-columns:1.15fr 1fr;gap:24px}.settings-page>.page-heading{grid-column:1/-1;margin-bottom:8px}.settings-page>.settings-panel{margin:0}.settings-account{grid-row:span 2}.settings-page>.settings-password,.settings-page>.settings-device,.settings-page>.settings-session{padding:26px 28px}.settings-danger-zone{grid-column:1/-1}}@media(max-width:900px){.admin-user-card{grid-template-columns:minmax(0,1fr) auto}.admin-facts{grid-column:1/-1}.account-menu,.admin-menu-container{grid-column:2;grid-row:1 / span 2;align-self:end}}@media(max-width:760px){.admin-heading{padding-right:0}.admin-total{position:static;width:max-content;margin-top:18px}.admin-toolbar{grid-template-columns:1fr;padding:8px}.admin-user-card{display:flex!important;flex-direction:column!important;align-items:stretch!important;gap:16px!important;padding:18px!important;border-radius:16px!important;background:var(--surface)!important;box-shadow:0 4px 12px #2428200a!important}.admin-identity{width:100%!important}.account-badges{display:flex!important;flex-wrap:wrap!important;gap:6px!important;width:100%!important;max-width:none!important}.admin-facts{display:grid!important;grid-template-columns:1fr 1fr!important;gap:10px!important;width:100%!important;background:var(--bg)!important;padding:12px 14px!important;border-radius:12px!important;border:1px solid var(--line)!important}.admin-facts>div{padding:0!important;border:none!important}.admin-facts>div:last-child{grid-column:1 / -1!important;border-top:1px dashed var(--line)!important;padding-top:6px!important}.account-menu,.admin-menu-container{width:100%!important}.account-menu summary,.admin-menu-trigger{width:100%!important;justify-content:center!important;min-height:44px!important}.account-menu-sheet{position:fixed;inset:auto 12px 86px;width:auto}.settings-section-heading,.settings-danger-zone{align-items:stretch;flex-direction:column}.password-form{grid-template-columns:1fr}.password-form label:first-child{grid-column:auto}.settings-danger-zone .button{width:100%}.quiz-heading h1{font-size:18px}.quiz-count{margin-top:-6px;font-size:12px}.quiz-heading,.quiz-top{margin-bottom:16px}.question-stage{margin-top:18px}.question-card h2{font-size:22px}.quiz-layout .quiz-subject-icon{display:none}}.subject-filters .active-plate{margin:0;padding:0}.search-field{position:relative;isolation:isolate}.search-field input:focus-visible{outline:none}.search-field:has(input:focus-visible){outline:3px solid var(--accent-deep);outline-offset:3px}.subject-filters button{overflow:hidden;border:1px solid transparent;transition:color .16s var(--ease),background-color .16s var(--ease),border-color .16s var(--ease),box-shadow .18s var(--ease)}.subject-filters button[aria-pressed=true]{border-color:var(--text);box-shadow:0 3px color-mix(in srgb,var(--text) 18%,transparent)}.saved-card{min-height:350px;padding:26px;border-color:color-mix(in srgb,var(--line) 58%,transparent);border-radius:20px 7px}.saved-card .card-top{min-height:32px;color:var(--muted);font-size:12px;font-weight:700;letter-spacing:.035em;text-transform:uppercase}.saved-card .card-top>svg{margin-left:4px;padding:5px;width:34px;height:34px;border-radius:9px 3px;background:color-mix(in srgb,var(--surface) 62%,transparent)}.saved-card h3{min-height:2.9em;margin:24px 0 18px;font-size:23px;line-height:1.42;letter-spacing:-.45px}.deck-meta{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding-top:14px;border-top:1px solid color-mix(in srgb,var(--line) 76%,transparent);color:var(--muted);font-size:12px}.deck-question-count{display:inline-flex;align-items:baseline;gap:6px;white-space:nowrap}.deck-question-count strong{color:var(--text);font-size:24px;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-1px}.saved-card .card-date{margin:0;text-align:right}.saved-card .card-result{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:12px 0 0;padding:10px 12px;border-radius:10px 3px;background:color-mix(in srgb,var(--surface) 72%,transparent);color:var(--muted);font-size:12px}.saved-card .card-result strong{color:var(--text);font-size:14px}.deck-actions{gap:10px}.deck-actions .deck-open{min-height:48px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid color-mix(in srgb,var(--line) 72%,transparent);font-weight:700}.deck-actions .deck-open>span{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:var(--text);color:var(--accent)}.deck-actions .card-utility{flex:0 1 auto;min-height:40px;border-color:transparent;padding-inline:8px;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px}.deck-actions .card-utility:is(:hover,:focus-visible){transform:none;border-color:transparent;color:var(--text);text-decoration-color:var(--accent-deep)}.pin-label{padding:4px 7px;border-radius:999px;background:var(--text);color:var(--accent)}.answer-card{position:relative;isolation:isolate;overflow:hidden;border:1px solid #d4d9c9;background:color-mix(in srgb,var(--surface) 72%,var(--soft));box-shadow:0 2px color-mix(in srgb,var(--line) 66%,transparent);transition:transform .15s var(--ease),border-color .15s,background-color .18s var(--ease),box-shadow .18s var(--ease),color .15s}.answer-card .answer-letter{border:1px solid color-mix(in srgb,var(--line) 80%,transparent);box-shadow:0 2px color-mix(in srgb,var(--line) 56%,transparent);transition:transform .18s var(--ease),background-color .16s,color .16s,border-color .16s}.answer-card.selected:not(.correct):not(.incorrect){border-color:var(--accent-deep);background:color-mix(in srgb,var(--accent) 30%,var(--surface));color:var(--text);box-shadow:inset 4px 0 0 var(--accent-deep),0 3px #ccd9a7}.answer-card.selected:not(.correct):not(.incorrect) .answer-letter{border-color:var(--text);background:var(--text);color:var(--accent)}.answer-card.correct,.answer-card.incorrect{color:var(--text);box-shadow:inset 4px 0 0 currentColor,0 3px color-mix(in srgb,currentColor 18%,transparent)}.answer-card.correct{border-color:color-mix(in srgb,var(--success) 58%,var(--line))}.answer-card.incorrect{border-color:color-mix(in srgb,var(--danger) 58%,var(--line))}.answer-state{width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:color-mix(in srgb,var(--surface) 82%,transparent)}.answer-card[aria-disabled=true]{cursor:default}.answer-card[aria-disabled=true]:not(.selected){opacity:.62}.feedback{border:1px solid color-mix(in srgb,currentColor 20%,transparent);box-shadow:0 3px color-mix(in srgb,currentColor 11%,transparent)}@media(hover:hover)and (pointer:fine){.answer-card:not([aria-disabled=true]):hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--accent-deep) 58%,var(--line));background:color-mix(in srgb,var(--accent) 13%,var(--surface));box-shadow:0 5px color-mix(in srgb,var(--line) 72%,transparent)}}@media(max-width:760px){.saved-card{min-height:0;padding:22px}.saved-card h3{margin:18px 0 14px}.deck-meta{align-items:flex-end}.deck-actions .card-utility{min-height:44px}.answer-state{width:30px;height:30px}}.account-badge.plan-free{background:#e7eadf;color:#283123;border-color:#aeb5a5}.admin-facts span{color:#51584c}@media(min-width:761px){.library-compact-controls{justify-content:flex-end;gap:8px;margin:-10px 0 20px}.library-compact-controls .product-select{width:176px;min-width:176px}.library-compact-controls .select-trigger{min-height:44px;padding-block:9px;background:transparent}}.saved-card{border:1px solid transparent;box-shadow:0 4px #dbded0}.saved-card.is-active{border-color:color-mix(in srgb,var(--accent-deep) 38%,var(--line));box-shadow:0 5px #cbd5ad}.saved-card h3{min-height:3.15em;display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2}.deck-actions{margin-top:auto;padding-top:18px;align-items:center}.deck-actions .deck-open{flex:1 1 100%;padding-top:0}.deck-actions .card-utility{min-height:44px;padding-inline:12px;color:var(--muted);background:transparent;font-size:13px}.deck-actions .resume-card-action{width:100%;min-height:50px}.pin-label{margin-left:auto;color:var(--muted);font-size:11px;letter-spacing:.04em}.history-list-heading,.history-facts{grid-column:1 / -1}.history-list{grid-template-columns:minmax(0,1fr)}.history-list-heading{margin:0 0 8px;align-items:center}.history-list-heading h2{flex:none}.history-filters{justify-content:flex-end}.history-filters .product-select,.history-filters .product-segments{width:auto;min-width:164px}.history-filters .select-trigger{min-height:44px}.history-facts{grid-template-columns:1fr 1fr auto;align-items:stretch;margin:4px 0 8px}.history-facts small{align-self:center;max-width:22ch;color:var(--muted);line-height:1.55}.question-footer-actions{display:flex;align-items:center;gap:10px;margin-left:auto}.question-footer-actions .question-delete{margin-left:6px;border-left:1px solid color-mix(in srgb,var(--danger) 30%,var(--line))}.settings-panel{border:1px solid color-mix(in srgb,var(--line) 78%,transparent);box-shadow:none}.settings-account:before{background:var(--text)}.account-badge{font-size:11px}.admin-facts span,.admin-facts strong{font-size:12px;line-height:1.45}@media(max-width:760px){.saved-card h3{min-height:auto}.library-compact-controls{margin-bottom:10px}.library-compact-controls .product-select{min-width:0}.deck-actions .card-utility{min-height:44px}.question-footer-actions{display:grid;width:100%;grid-template-columns:1fr 1fr;margin-left:0}.question-footer-actions .question-delete{margin-left:0;border-left:0}.history-filters .product-select,.history-filters .product-segments{width:100%;min-width:0}.history-facts{grid-template-columns:1fr 1fr}.history-facts small{grid-column:1 / -1;max-width:none}}.saved-card.study-ticket{min-height:390px;padding:24px 24px 20px;overflow:hidden;border:1px solid color-mix(in srgb,var(--line) 76%,transparent);border-radius:5px 28px 5px 18px;background-color:var(--surface);background-image:linear-gradient(90deg,color-mix(in srgb,var(--accent-deep) 16%,transparent) 1px,transparent 1px),linear-gradient(color-mix(in srgb,var(--line) 24%,transparent) 1px,transparent 1px);background-size:100% 100%,100% 28px;box-shadow:0 5px #d9ddcf}.saved-card.study-ticket.math{--ticket-tint: #e7eedb}.saved-card.study-ticket.physics{--ticket-tint: #dcebe5}.saved-card.study-ticket.chemistry{--ticket-tint: #f3e3d0}.saved-card.study-ticket.english{--ticket-tint: #e1e6ef}.saved-card.study-ticket.general{--ticket-tint: #eff1e8}.saved-card.study-ticket:after{content:"";position:absolute;z-index:0;inset:0;border-radius:inherit;background:linear-gradient(138deg,color-mix(in srgb,var(--ticket-tint) 88%,transparent),transparent 62%);opacity:1;pointer-events:none}.saved-card.study-ticket>*{position:relative;z-index:1}.ticket-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.ticket-subject{min-width:0;display:flex;align-items:center;gap:11px}.ticket-subject-mark{width:38px;height:38px;flex:none;display:grid;place-items:center;border:1px solid color-mix(in srgb,var(--accent-deep) 25%,var(--line));border-radius:4px 12px 4px 10px;background:color-mix(in srgb,var(--ticket-tint) 82%,var(--surface));color:var(--accent-deep);box-shadow:0 3px color-mix(in srgb,var(--accent-deep) 12%,transparent)}.ticket-subject>div{min-width:0;display:grid;gap:2px}.ticket-kicker{color:var(--text);font-size:12px;font-weight:700;letter-spacing:.055em;text-transform:uppercase}.ticket-kind{color:var(--muted);font-size:11px;line-height:1.4}.ticket-badges{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:5px}.ticket-badges :is(.pin-label,.draft-label){margin:0;padding:4px 7px;border:1px solid color-mix(in srgb,var(--line) 84%,transparent);border-radius:4px;background:color-mix(in srgb,var(--surface) 82%,transparent);color:var(--muted);font-size:10px;font-weight:700;letter-spacing:.045em;line-height:1.2;text-transform:uppercase}.saved-card.study-ticket h3{min-height:3em;margin:22px 0 12px;font-size:24px;line-height:1.34;letter-spacing:-.55px;overflow-wrap:break-word;word-break:break-word}.ticket-facts{display:flex;flex-wrap:wrap;align-items:baseline;gap:5px 14px;padding-bottom:14px;border-bottom:1px solid color-mix(in srgb,var(--line) 82%,transparent);color:var(--muted);font-size:12px}.ticket-facts span+span:before{content:"·";margin-right:14px;color:var(--line)}.ticket-facts strong{color:var(--text);font-size:14px;font-variant-numeric:tabular-nums}.ticket-state{min-height:66px;margin-top:14px;padding:12px 13px;border:1px solid color-mix(in srgb,var(--line) 74%,transparent);border-radius:4px 12px;background:color-mix(in srgb,var(--surface) 78%,var(--ticket-tint));color:var(--muted);font-size:12px}.ticket-state>span{display:block;margin-bottom:4px}.ticket-state strong{color:var(--text);font-size:14px;line-height:1.4}.ticket-state-result{display:grid;grid-template-columns:1fr auto;align-items:end;column-gap:10px}.ticket-state-result>span{grid-column:1 / -1}.ticket-state-result small{color:var(--accent-deep);font-size:18px;font-weight:700;font-variant-numeric:tabular-nums}.ticket-state-active{border-color:color-mix(in srgb,var(--accent-deep) 36%,var(--line))}.ticket-state-active>div{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:8px}.ticket-state-active .progress-track{height:5px;background:color-mix(in srgb,var(--line) 62%,transparent)}.ticket-state-active .progress-fill{background:var(--accent-deep)}.ticket-state-draft{border-style:dashed}.saved-card.study-ticket .deck-actions{display:grid;grid-template-columns:minmax(0,1fr);gap:7px;margin-top:auto;padding-top:16px}.saved-card.study-ticket .deck-open{width:100%;min-height:47px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 2px;border:0;border-top:1px solid color-mix(in srgb,var(--text) 68%,transparent);border-radius:0;background:transparent;color:var(--text);font:inherit;font-weight:700;cursor:pointer;text-align:left}.saved-card.study-ticket .deck-open svg{color:var(--accent-deep)}.saved-card.study-ticket .deck-open:is(:hover,:focus-visible) svg{transform:translate(3px)}.card-utility-row{display:flex;align-items:center;gap:8px;min-height:36px;margin-top:6px}.saved-card.study-ticket .card-utility-row .card-utility{min-height:32px;padding:0 6px;border:0;border-radius:3px;background:transparent;color:var(--muted);font-size:11px;font-weight:600;text-decoration:none}.saved-card.study-ticket .card-utility-row .card-utility:not(.card-utility-pill)+.card-utility:not(.card-utility-pill):before{content:"·";margin-right:10px;color:var(--line)}.saved-card.study-ticket .card-utility-row .card-utility-pill{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:32px;padding:4px 14px;border-radius:9999px;border:1px solid color-mix(in srgb,var(--line) 75%,transparent);background:color-mix(in srgb,var(--surface) 80%,transparent);color:var(--text);font-size:12px;font-weight:700;text-decoration:none;cursor:pointer;box-shadow:0 1px 3px #0000000d;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:transform .16s var(--motion-snap),background-color .18s ease,border-color .18s ease,color .16s ease,box-shadow .18s ease}.saved-card.study-ticket .card-utility-row .card-utility-pill:before{display:none!important}.saved-card.study-ticket .card-utility-row .card-utility-pill:hover{transform:translateY(-1.5px);background:var(--surface);border-color:var(--accent-deep);color:var(--accent-deep);box-shadow:0 4px 10px #0000001a}.saved-card.study-ticket .card-utility-row .card-utility-pill:active{transform:scale(.96)}.saved-card.study-ticket .card-utility-row .card-utility-pill.is-pinned{border-color:var(--accent-deep);background:color-mix(in srgb,var(--accent) 22%,var(--surface));color:var(--accent-deep);font-weight:800;box-shadow:0 0 10px color-mix(in srgb,var(--accent) 35%,transparent)}.saved-card.study-ticket .card-utility-row .card-utility:is(:hover,:focus-visible){color:var(--text);background:color-mix(in srgb,var(--surface) 66%,transparent)}.saved-card.study-ticket .resume-card-action{width:100%;min-height:48px;justify-content:space-between;border-radius:5px 12px;box-shadow:0 3px color-mix(in srgb,var(--accent-deep) 28%,transparent)}.resume-split-row{display:flex;gap:8px;width:100%;align-items:stretch}.resume-split-row .resume-card-action{flex:1;min-width:0}.resume-split-row .restart-card-action{flex:0 0 auto;min-height:48px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;gap:6px;font-weight:700;border-radius:5px 12px;white-space:nowrap;background:var(--soft);border:1px solid var(--line);color:var(--text);cursor:pointer;transition:transform .18s ease,background .18s ease,border-color .18s ease}.resume-split-row .restart-card-action:hover{transform:translateY(-2px);border-color:var(--accent-deep);background:color-mix(in srgb,var(--surface) 80%,var(--accent))}.ticket-title-clickable{cursor:pointer;transition:color .18s ease}.ticket-title-clickable:hover{color:var(--accent-deep);text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:3px}.card-utility-pill.is-restart{color:var(--accent-deep);border-color:color-mix(in srgb,var(--accent-deep) 40%,var(--line))}.card-utility-pill.is-restart:hover{border-color:var(--accent-deep);background:color-mix(in srgb,var(--accent) 25%,var(--surface))}.quiz-top-left-actions{display:flex;align-items:center;gap:12px}.quiz-restart-link{color:var(--muted);cursor:pointer;border:none;background:transparent;padding:6px 10px;border-radius:8px;font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:color .18s ease,background .18s ease}.quiz-restart-link:hover{color:#b91c1c;background:#ef444414;text-decoration:none}.saved-card.study-ticket.is-active{border-color:color-mix(in srgb,var(--accent-deep) 50%,var(--line));box-shadow:0 5px #bdca99}.saved-card.study-ticket.is-draft{background-image:linear-gradient(135deg,#f8f8f1,transparent 66%)}.answer-card.selected:not(.correct):not(.incorrect){border-color:var(--accent-deep);background:color-mix(in srgb,var(--accent) 22%,var(--surface));color:var(--text);box-shadow:inset 3px 0 0 var(--accent-deep),0 2px color-mix(in srgb,var(--accent-deep) 22%,transparent)}.answer-card.selected:not(.correct):not(.incorrect) .answer-letter{border-color:var(--accent-deep);background:var(--accent);color:#121510!important;font-weight:800;box-shadow:none}.answer-card.correct{box-shadow:0 2px color-mix(in srgb,var(--success) 20%,transparent)}.answer-card.incorrect{box-shadow:0 2px color-mix(in srgb,var(--danger) 20%,transparent)}.answer-card.correct .answer-letter,.answer-card.incorrect .answer-letter{box-shadow:none}.answer-card .answer-state{width:24px;height:24px;border-radius:0;background:transparent;color:var(--accent-deep)}.truth-grid .answer-card{border-radius:12px}.truth-grid .answer-card.selected:not(.correct):not(.incorrect){box-shadow:inset 0 3px 0 var(--accent-deep),0 2px color-mix(in srgb,var(--accent-deep) 18%,transparent)}@media(max-width:760px){.saved-card.study-ticket{min-height:0;padding:20px 20px 17px;border-radius:4px 24px 4px 16px}.saved-card.study-ticket h3{min-height:0;margin:18px 0 10px;font-size:22px}.ticket-subject-mark{width:36px;height:36px}.ticket-state{min-height:60px}.card-utility-row{min-height:44px}.saved-card.study-ticket .card-utility-row .card-utility{min-height:44px;padding-inline:8px}.ticket-facts span+span:before{margin-right:10px}}.saved-card.study-ticket{--ticket-paper: color-mix(in srgb, var(--surface) 76%, var(--ticket-tint));background-color:var(--ticket-paper)}.saved-card.study-ticket:after{display:none}.saved-card.study-ticket:before{display:none}.saved-card.study-ticket.general{background-image:linear-gradient(142deg,color-mix(in srgb,var(--ticket-tint) 78%,transparent),transparent 62%)}.saved-card.study-ticket.math{background-image:linear-gradient(142deg,color-mix(in srgb,#dbe7c7 78%,transparent),transparent 64%)}.saved-card.study-ticket.physics{background-image:linear-gradient(142deg,color-mix(in srgb,#d4e8e3 78%,transparent),transparent 64%)}.saved-card.study-ticket.chemistry{background-image:linear-gradient(142deg,color-mix(in srgb,#f0dec7 78%,transparent),transparent 64%)}.saved-card.study-ticket.english{background-image:linear-gradient(142deg,color-mix(in srgb,#dbe2ed 78%,transparent),transparent 64%)}.study-ticket.math .ticket-subject-mark{border-radius:4px;background-color:color-mix(in srgb,var(--ticket-tint) 70%,var(--surface));background-image:linear-gradient(90deg,#37451e12 1px,transparent 1px),linear-gradient(#37451e12 1px,transparent 1px);background-size:9px 9px}.study-ticket.physics .ticket-subject-mark{border-radius:50%;background-image:radial-gradient(ellipse at center,transparent 52%,#37451e2b 54% 57%,transparent 59%)}.study-ticket.chemistry .ticket-subject-mark{border-radius:12px 4px;background-image:radial-gradient(circle,#37451e2a 1px,transparent 1.5px);background-size:8px 8px}.study-ticket.english .ticket-subject-mark{border-radius:3px;background-image:linear-gradient(90deg,transparent 10px,#9c332e2b 10px 11px,transparent 11px)}.study-ticket.general .ticket-subject-mark{border-radius:5px 12px 5px 9px}.saved-card.study-ticket .deck-open{min-height:52px;padding:0 12px;border:1px solid color-mix(in srgb,var(--accent-deep) 22%,var(--line));border-radius:5px 12px;background:color-mix(in srgb,var(--surface) 68%,transparent);transition:background-color .16s var(--ease),border-color .16s var(--ease),box-shadow .18s var(--ease)}.saved-card.study-ticket .deck-open:is(:hover,:focus-visible){border-color:color-mix(in srgb,var(--accent-deep) 52%,var(--line));background:color-mix(in srgb,var(--accent) 20%,var(--surface));box-shadow:0 3px color-mix(in srgb,var(--accent-deep) 18%,transparent)}.saved-card.study-ticket .card-utility-row{padding-inline:4px}.dialog{border:1px solid color-mix(in srgb,var(--line) 84%,transparent);border-radius:18px}.dialog-content{padding:28px 30px 30px}.dialog-heading{align-items:center;margin-bottom:20px;padding-bottom:18px;border-bottom:1px solid color-mix(in srgb,var(--line) 82%,transparent)}.dialog-heading h2{margin:0;font-size:27px;letter-spacing:-.5px}.dialog-heading .icon-button{width:44px;height:44px;border:1px solid color-mix(in srgb,var(--line) 86%,transparent);border-radius:10px;background:color-mix(in srgb,var(--soft) 62%,var(--surface))}.dialog-heading .icon-button:is(:hover,:focus-visible){border-color:var(--accent-deep);background:var(--soft)}.dialog-subject{margin-bottom:22px;padding:16px 18px;border:1px solid color-mix(in srgb,var(--line) 76%,transparent);border-radius:6px 16px 6px 12px;background:color-mix(in srgb,var(--soft) 70%,var(--surface))}.dialog-subject.math{background:color-mix(in srgb,#e7eedb 72%,var(--surface))}.dialog-subject.physics{background:color-mix(in srgb,#dcebe5 72%,var(--surface))}.dialog-subject.chemistry{background:color-mix(in srgb,#f3e3d0 72%,var(--surface))}.dialog-subject.english{background:color-mix(in srgb,#e1e6ef 72%,var(--surface))}.mode-choices legend{margin-bottom:12px;font-size:14px;color:var(--muted)}.mode-choices label{min-height:82px;margin-top:10px;overflow:hidden;border:1px solid transparent;border-radius:6px 14px 6px 12px;background:color-mix(in srgb,var(--soft) 48%,var(--surface))}.mode-choices label.selected{border-color:var(--accent-deep);background:color-mix(in srgb,var(--accent) 16%,var(--surface));box-shadow:inset 3px 0 0 var(--accent-deep)}.mode-choices .active-plate{inset:0;border-radius:inherit;opacity:.3;box-shadow:none}.start-summary{margin-top:12px;padding:12px 2px 0;border-top:1px solid color-mix(in srgb,var(--line) 70%,transparent)}.dialog-actions{margin-top:22px;padding-top:18px;border-top:1px solid color-mix(in srgb,var(--line) 82%,transparent)}.dialog-actions .button.danger{margin-right:auto}.answer-card>*{position:relative;z-index:1}.answer-card .answer-state{width:auto;min-width:76px;height:28px;display:inline-flex;align-items:center;justify-content:flex-end;gap:6px;color:var(--accent-deep)}.answer-state-label{font-size:12px;font-weight:700;white-space:nowrap}.answer-card.correct .answer-state{color:var(--success)}.answer-card.incorrect .answer-state{color:var(--danger)}.answer-card.selected:not(.correct):not(.incorrect){box-shadow:inset 3px 0 0 var(--accent-deep),0 2px color-mix(in srgb,var(--accent-deep) 16%,transparent)}.answer-card.correct{box-shadow:inset 3px 0 0 var(--success),0 2px color-mix(in srgb,var(--success) 16%,transparent)}.answer-card.incorrect{box-shadow:inset 3px 0 0 var(--danger),0 2px color-mix(in srgb,var(--danger) 16%,transparent)}html[data-motion-effective=enhanced] .motion-page:after,html[data-motion-effective=enhanced] .question-card:after,html[data-motion-effective=enhanced] .dialog-heading:after,html[data-motion-effective=enhanced] .result-hero:after{display:none}@media(max-width:760px){.saved-card.study-ticket .deck-open{min-height:54px}.dialog-content{padding:22px 20px 24px}.dialog-heading{margin-bottom:16px;padding-bottom:14px}.dialog-heading h2{font-size:23px}.dialog-subject{padding:14px}.mode-choices label{min-height:78px;padding:15px}.dialog-actions{display:grid;grid-template-columns:1fr}.dialog-actions .button{width:100%}.dialog-actions .button.danger{margin-right:0}.answer-card .answer-state{min-width:0}.answer-state-label{display:none}}.admin-menu-container{position:relative;display:inline-flex}.admin-menu-trigger{min-height:40px;padding:8px 14px;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;border-radius:999px;cursor:pointer;white-space:nowrap}.admin-menu-dots{font-size:14px;letter-spacing:.05em;opacity:.8}.admin-menu-trigger.is-active{background:var(--text);color:var(--accent);border-color:var(--text)}.admin-action-portal-root{position:fixed;inset:0;z-index:10000;pointer-events:auto}.admin-action-backdrop{position:fixed;inset:0;background:#12151073;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);animation:admin-scrim-in .18s var(--ease)}@keyframes admin-scrim-in{0%{opacity:0}to{opacity:1}}@media(min-width:761px){.admin-action-backdrop{background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none}.admin-action-sheet{width:290px;max-height:480px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:0 20px 48px #00000038,0 4px 12px #00000014;display:flex;flex-direction:column;overflow:hidden;animation:admin-popover-in .18s var(--motion-settle)}.admin-action-sheet.place-above{animation-name:admin-popover-in-above}.sheet-handle-bar{display:none}}@keyframes admin-popover-in{0%{opacity:0;transform:translateY(-8px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes admin-popover-in-above{0%{opacity:0;transform:translateY(8px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}@media(max-width:760px){.admin-action-sheet{position:fixed;inset:auto 0 0;max-height:82vh;background:var(--surface);border-top:1px solid var(--line);border-radius:24px 24px 0 0;box-shadow:0 -12px 36px #00000047;display:flex;flex-direction:column;z-index:10001;animation:admin-sheet-up .24s var(--motion-settle)}.sheet-handle-bar{display:block;width:40px;height:4px;border-radius:999px;background:var(--line);margin:12px auto 6px;opacity:.6}}@keyframes admin-sheet-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}.sheet-user-header{display:flex;align-items:center;gap:12px;padding:14px 18px 12px;border-bottom:1px solid var(--line);background:var(--soft)}.sheet-user-avatar{display:grid;place-items:center;width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:var(--text);color:var(--accent);font-weight:800;font-size:16px}.sheet-user-info{display:flex;flex-direction:column;min-width:0;gap:2px}.sheet-user-info strong{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text)}.sheet-user-info span{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sheet-actions-scroll{overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:6px;scrollbar-width:thin}.sheet-group{display:flex;flex-direction:column;gap:3px;padding-bottom:6px;border-bottom:1px solid color-mix(in srgb,var(--line) 40%,transparent)}.sheet-group:last-child{border-bottom:none;padding-bottom:0}.sheet-group-label{padding:6px 10px 4px;font-size:11px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}.sheet-action-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border:none;background:transparent;border-radius:10px;cursor:pointer;text-align:left;font:inherit;color:var(--text);width:100%;transition:background-color .14s var(--ease),transform .12s var(--ease)}.sheet-action-item:hover,.sheet-action-item:focus-visible{background:var(--soft);transform:translate(2px);outline:none}.sheet-action-icon-badge{width:32px;height:32px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 32px;background:var(--soft);color:var(--text);border:1px solid var(--line);transition:transform .14s ease,background-color .14s ease}.sheet-action-item:hover .sheet-action-icon-badge{transform:scale(1.06)}.sheet-action-icon-badge.role-admin{background:var(--accent-surface, rgba(215, 248, 107, .14));color:var(--accent-deep, #9ecb1c);border-color:#d7f86b47}.sheet-action-icon-badge.role-user{background:var(--soft);color:var(--muted);border-color:var(--line)}.sheet-action-icon-badge.authoring{background:#10b9811f;color:#10b981;border-color:#10b98140}.sheet-action-icon-badge.vip-pro{background:#38bdf81f;color:#38bdf8;border-color:#38bdf847}.sheet-action-icon-badge.vip-perm{background:#f59e0b1f;color:#f59e0b;border-color:#f59e0b47}.sheet-action-icon-badge.lock{background:#f973161f;color:#f97316;border-color:#f9731647}.sheet-action-icon-badge.unlock{background:#10b9811f;color:#10b981;border-color:#10b98140}.sheet-action-icon-badge.danger{background:#ef44441f;color:#ef4444;border-color:#ef444447}html[data-theme=night] .sheet-action-icon-badge.role-admin{color:#d7f86b;background:#d7f86b2e;border-color:#d7f86b59}html[data-theme=night] .sheet-action-icon-badge.role-user{background:#253020;color:#cdd5c3;border-color:#38462f}html[data-theme=night] .sheet-action-icon-badge.authoring{color:#34d399;background:#34d39929;border-color:#34d3994d}html[data-theme=night] .sheet-action-icon-badge.vip-pro{color:#7dd3fc;background:#7dd3fc29;border-color:#7dd3fc4d}html[data-theme=night] .sheet-action-icon-badge.vip-perm{color:#fbbf24;background:#fbbf2429;border-color:#fbbf244d}html[data-theme=night] .sheet-action-icon-badge.danger{color:#f87171;background:#f8717129;border-color:#f871714d}.sheet-action-text{display:flex;flex-direction:column;min-width:0;gap:2px}.sheet-action-text strong{font-size:13px;font-weight:650;color:var(--text);line-height:1.3}.sheet-action-text small{font-size:11px;color:var(--muted);line-height:1.25}.sheet-action-item.sheet-danger,.sheet-action-item.sheet-danger strong{color:var(--danger)}.sheet-action-item.sheet-danger:hover,.sheet-action-item.sheet-danger:focus-visible{background:color-mix(in srgb,var(--danger) 10%,transparent)}.sheet-self-banner{display:flex;align-items:center;gap:8px;padding:12px 14px;background:var(--soft);border-radius:10px;font-size:12px;font-weight:600;color:var(--muted);margin-top:4px}html[data-theme=sepia]{--bg: #ede6d6;--surface: #faf5e8;--text: #2b241d;--muted: #695e52;--accent: #d3f261;--accent-deep: #3d4b1e;--soft: #e2d9c5;--line: #c7bca6;--shadow: 0 10px 28px rgba(43, 36, 29, .08)}html[data-theme=night]{--bg: #121510;--surface: #1b2018;--text: #edf1e6;--muted: #9aa38f;--accent: #d7f86b;--accent-deep: #c5e856;--soft: #252b21;--line: #323a2c;--success: #5ce096;--danger: #ff7b72;--shadow: 0 14px 36px rgba(0, 0, 0, .42)}html[data-theme=night] .saved-card.study-ticket{--ticket-paper: #1e241b;background-color:var(--ticket-paper);box-shadow:0 5px #0c0e0a}html[data-theme=night] .saved-card.study-ticket.math{--ticket-tint: #25301f}html[data-theme=night] .saved-card.study-ticket.physics{--ticket-tint: #1d2e2b}html[data-theme=night] .saved-card.study-ticket.chemistry{--ticket-tint: #31261c}html[data-theme=night] .saved-card.study-ticket.english{--ticket-tint: #1f2633}html[data-theme=night] .saved-card.study-ticket.general{--ticket-tint: #252922}html[data-theme=night] .answer-card.correct{background:#17603d47;color:#85f0b2}html[data-theme=night] .answer-card.incorrect{background:#9c332e47;color:#ffa198}html[data-theme=night] .feedback.correct{background:#17603d40;color:#85f0b2}html[data-theme=night] .feedback.wrong{background:#9c332e40;color:#ffa198}html[data-theme=night] .result-hero{background:#1c2219!important;color:var(--text)!important;border:1px solid #333e2c;box-shadow:0 16px 48px #0000008c}html[data-theme=night] .result-eyebrow,html[data-theme=night] .result-hero>p{color:var(--muted)!important}html[data-theme=night] .result-chips span{background:#252e20;color:#e6eadc;border:1px solid #38452e}html[data-theme=night] .result-actions .soft{background:#283322;color:var(--text);border:1px solid #3d4e33}html[data-theme=night] .result-actions .result-review-action{border:1px solid #3d4e33;color:var(--text)}html[data-theme=night] .result-actions .result-nav-action{color:var(--text)!important;opacity:.9}html[data-theme=night] .result-actions .result-nav-action:hover{color:var(--accent)!important;opacity:1}html[data-theme=night] .resume-feature{background:#1c2219!important;color:var(--text)!important;border:1px solid #333e2c;box-shadow:0 14px 38px #0000007a}html[data-theme=night] .resume-feature .section-label,html[data-theme=night] .resume-feature p{color:var(--muted)!important}html[data-theme=night] .resume-feature .progress-track{background:#283322}html[data-theme=night] .recent-feature{background:#1c2219!important;color:var(--text)!important;border:1px solid #333e2c}html[data-theme=night] .recent-feature .section-label,html[data-theme=night] .recent-feature p,html[data-theme=night] .recent-score small,html[data-theme=night] .recent-score>span{color:var(--muted)!important}html[data-theme=night] .text-link,html[data-theme=night] .text-button{color:var(--accent)!important}html[data-theme=night] .text-link:hover,html[data-theme=night] .text-button:hover{color:#fff!important;text-decoration:underline}html[data-theme=night] .answer-card{background:#1c2219;color:var(--text);box-shadow:inset 0 0 0 1px #333e2c}html[data-theme=night] .answer-card:hover{background:#232c1e}html[data-theme=night] .answer-card .answer-letter{background:#2a3424;color:var(--text)}html[data-theme=night] .answer-card.selected{background:#25341d!important;color:var(--text)!important;box-shadow:inset 0 0 0 2px var(--accent)!important}html[data-theme=night] .answer-card.selected .answer-letter{background:var(--accent)!important;color:#121510!important;font-weight:800}html[data-theme=night] .answer-card.is-eliminated{opacity:.52;background:color-mix(in srgb,var(--danger) 8%,transparent)!important;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--danger) 30%,#2b3524)!important;border-color:color-mix(in srgb,var(--danger) 45%,#2b3524)!important;border-style:dashed!important}html[data-theme=night] .answer-card.is-eliminated .answer-letter{background:color-mix(in srgb,var(--danger) 22%,#1e251b)!important;color:#f87171!important}html[data-theme=night] .question-dots .current{background:var(--accent)!important;color:#121510!important;font-weight:800;box-shadow:0 0 0 2px var(--accent),0 0 0 4px var(--bg)}html[data-theme=night] .mode-badge{background:#252e20;color:var(--accent);border:1px solid #38452e}html[data-theme=night] .desktop-nav a.active,html[data-theme=night] .subject-filters button[aria-pressed=true]{background:var(--accent)!important;color:#121510!important;font-weight:700}html[data-theme=night] .dialog-subject{color:var(--text);border:1px solid var(--line)}html[data-theme=night] .dialog-subject.math{background:#232d1e}html[data-theme=night] .dialog-subject.physics{background:#1c2b27}html[data-theme=night] .dialog-subject.chemistry{background:#2f251c}html[data-theme=night] .dialog-subject.english{background:#1e2532}html[data-theme=night] .dialog-subject.general{background:#232720}html[data-theme=night] .format-guide{background:#1c2219!important;color:var(--text)!important;border:1px solid #333e2c}html[data-theme=night] .format-guide .section-label,html[data-theme=night] .format-guide p{color:var(--muted)!important}html[data-theme=night] .auth-brand{background:#161b14!important;color:var(--text)!important;border-right:1px solid #2a3424}html[data-theme=night] .auth-manifesto>.section-label,html[data-theme=night] .auth-manifesto p,html[data-theme=night] .auth-methods{color:var(--muted)!important}html[data-theme=night] .pro-bento-card.highlight{background:#1c2219!important;color:var(--text)!important;border-color:#333e2c}html[data-theme=night] .pro-bento-card.highlight .section-label,html[data-theme=night] .pro-bento-card.highlight small,html[data-theme=night] .pro-bento-card.highlight .bento-big-stat span{color:var(--muted)!important}body{background-image:radial-gradient(color-mix(in srgb,var(--line) 42%,transparent) 1px,transparent 1px);background-size:28px 28px;transition:background-color .22s var(--ease),color .18s var(--ease)}.app-header{position:sticky;top:0;z-index:30;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:color-mix(in srgb,var(--bg) 88%,transparent)}.pro-hub-page{max-width:1180px;margin:0 auto}.pro-foil-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:var(--text);color:var(--accent);font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;box-shadow:0 2px 0 var(--accent-deep)}.pro-hero-banner{display:grid;grid-template-columns:1.35fr 1fr;gap:28px;align-items:center;padding:32px;margin-bottom:28px;border:1px solid var(--line);border-radius:8px 32px 8px 20px;background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 18%,var(--surface)),var(--surface) 68%);box-shadow:0 6px color-mix(in srgb,var(--line) 75%,transparent)}.pro-hero-banner h1{margin:14px 0 10px;font-size:clamp(28px,3.5vw,40px)}.pro-unlock-box,.pro-quick-launch{padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--surface);display:grid;gap:14px}.pro-launch-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px}.pro-launch-metrics>div{padding:12px 14px;border-radius:12px;background:var(--soft)}.pro-launch-metrics strong{display:block;font-size:28px;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--text)}.pro-launch-metrics span{font-size:12px;color:var(--muted)}.pro-bento-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:28px}.pro-bento-card{padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--surface);display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 4px color-mix(in srgb,var(--line) 55%,transparent)}.pro-bento-card.highlight{background:var(--text);color:var(--surface);border-color:var(--text)}.pro-bento-card.highlight .section-label,.pro-bento-card.highlight small{color:#ccd1c1}.pro-bento-card.highlight .bento-big-stat strong{color:var(--accent)}.pro-bento-card.wide{grid-column:span 2}.bento-big-stat{margin:14px 0}.bento-big-stat strong{display:block;font-size:46px;line-height:1;letter-spacing:-2px;font-variant-numeric:tabular-nums}.bento-big-stat span{font-size:13px;color:var(--muted)}.pro-bento-card.highlight .bento-big-stat span{color:#ccd1c1}.bento-card-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:14px}.subject-mastery-bars{display:grid;gap:10px}.subject-bar-label{display:flex;justify-content:space-between;font-size:13px;margin-bottom:4px}.subject-bar-track{height:7px;border-radius:999px;background:var(--soft);overflow:hidden}.subject-bar-track>span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent-deep),var(--accent))}.pro-bank-header{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:20px}.pro-bank-composer{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.pro-bank-composer .product-select{width:165px}.pro-bank-filters{display:grid;grid-template-columns:240px 280px;gap:12px;margin-bottom:20px}.wrong-bank-list{display:grid;gap:14px}.wrong-bank-card{padding:20px 22px;border:1px solid var(--line);border-left:4px solid var(--line);border-radius:6px 18px 6px 14px;background:var(--surface)}.wrong-bank-card.mastery-critical{border-left-color:var(--danger)}.wrong-bank-card.mastery-learning{border-left-color:#d97706}.wrong-bank-card.mastery-mastered{border-left-color:var(--success)}.wrong-card-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px;font-size:12px}.mastery-pill{padding:3px 9px;border-radius:999px;font-weight:700;font-size:11px}.mastery-pill.critical{background:#f5dfd8;color:var(--danger)}.mastery-pill.learning{background:#fef3c7;color:#92400e}.mastery-pill.mastered{background:#e0efdf;color:var(--success)}.due-badge{margin-left:auto;padding:3px 8px;border-radius:6px;background:var(--accent);color:var(--text);font-weight:700}.wrong-card-reveal{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}.wrong-options-preview{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.wrong-opt-item{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:10px;background:var(--soft);font-size:14px;min-width:0}.wrong-opt-item strong{flex:0 0 auto}.wrong-opt-item>span{flex:1 1 auto;min-width:0;word-break:normal;overflow-wrap:break-word}.wrong-opt-item.is-correct{background:#e0efdf;color:var(--success);font-weight:600;border:1px solid var(--success)}.pro-quiz-toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}.pro-tool-chip{min-height:36px;display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--text);font-size:12px;font-weight:600;cursor:pointer}.pro-tool-chip.active{background:var(--text);color:var(--accent);border-color:var(--text)}.pro-tool-chip.subtle{background:transparent;color:var(--muted)}.pro-pacing-pill{margin-left:auto;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.app-shell.is-zen-focus .app-header,.app-shell.is-zen-focus .bottom-nav,.app-shell.is-zen-focus .app-footer,.app-shell.is-zen-focus .quiz-guide{display:none!important}.app-shell.is-zen-focus .question-stage{grid-template-columns:minmax(0,860px);justify-content:center}.strike-toggle-btn{background:var(--surface);border:1px dashed var(--line);font-size:12px;font-weight:600;color:var(--muted);min-height:44px;min-width:44px;padding:8px 12px;border-radius:10px;cursor:pointer;margin-left:auto;opacity:.88;transition:all .14s ease;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;touch-action:manipulation}.strike-toggle-btn:hover{opacity:1;color:var(--danger);border-color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,var(--surface))}.strike-toggle-btn[aria-pressed=true]{background:var(--soft);color:var(--text);border-style:solid;border-color:var(--line);opacity:1}.answer-card.is-eliminated{opacity:.52;border-style:dashed!important;border-color:color-mix(in srgb,var(--danger) 45%,var(--line))!important;background:color-mix(in srgb,var(--danger) 4%,transparent)!important;cursor:not-allowed;pointer-events:none}.answer-card.is-eliminated .answer-letter{background:color-mix(in srgb,var(--danger) 16%,var(--surface))!important;color:var(--danger)!important;border-color:color-mix(in srgb,var(--danger) 32%,transparent)!important}.answer-card.is-eliminated .math-content-container{width:fit-content;max-width:100%}.answer-card.is-eliminated .math-content-container:after{content:none!important;display:none!important}.answer-card.is-eliminated .math-content-inner{position:relative;display:inline-block;vertical-align:middle;width:fit-content;max-width:100%}.answer-card.is-eliminated .math-content-inner:after{content:"";position:absolute;left:-3px;right:-3px;top:50%;height:2px;background:var(--danger);transform:translateY(-50%);pointer-events:none;border-radius:2px;z-index:10;box-shadow:0 0 1px #ef444466}@media(max-width:900px){.pro-hero-banner,.pro-bento-grid{grid-template-columns:1fr}.pro-bento-card.wide{grid-column:auto}.pro-bank-filters,.wrong-options-preview{grid-template-columns:1fr}}@media(max-width:480px){.pro-quick-launch{padding:12px}.pro-launch-metrics{gap:8px}.pro-bento-card{padding:14px}.bento-big-stat strong{font-size:28px}.answer-option-row{gap:6px}.answer-option-row>.strike-toggle-btn{min-height:44px;min-width:44px;padding:0 10px;font-size:12px}.pro-quiz-toolbar{flex-wrap:wrap;gap:6px}.pro-pacing-pill{font-size:11px;padding:3px 8px}.pro-tool-chip{padding:4px 10px;font-size:12px}.bottom-nav{padding-bottom:max(10px,env(safe-area-inset-bottom,10px))}}html[data-theme=night] .button.primary,html[data-theme=night] .button.light{background:var(--accent)!important;color:#121510!important;font-weight:700!important;box-shadow:0 4px 14px #d7f86b52,0 3px #8ab322}html[data-theme=night] .button.primary:hover:not(:disabled),html[data-theme=night] .button.light:hover:not(:disabled){transform:translateY(-1.5px);box-shadow:0 6px 20px #d7f86b6b,0 3.5px #7fa61e}html[data-theme=night] .button.primary:active:not(:disabled),html[data-theme=night] .button.light:active:not(:disabled){transform:translateY(2px) scale(.985);box-shadow:0 1px #7fa61e}html[data-theme=sepia] .button.primary,html[data-theme=sepia] .button.light{background:#cce94f;color:#211c16!important;box-shadow:0 4px 14px #cce94f4d,0 3px #9cb435}html[data-theme=sepia] .button.primary:hover:not(:disabled),html[data-theme=sepia] .button.light:hover:not(:disabled){transform:translateY(-1.5px);box-shadow:0 6px 18px #cce94f6b,0 3.5px #8c9f2c}html[data-theme=sepia] .button.primary:active:not(:disabled),html[data-theme=sepia] .button.light:active:not(:disabled){transform:translateY(2px) scale(.985);box-shadow:0 1px #8c9f2c}html[data-theme=night] .attempt-timer.warning{color:#121510!important;background:var(--accent)!important;font-weight:700}html[data-theme=night]{--paper: var(--surface);--ink: var(--text)}html[data-theme=night] .question-bookmark,html[data-theme=night] .bookmark-control,html[data-theme=night] .card-utility:not(.card-utility-pill),html[data-theme=night] .review-flag{background:#1c2219!important;color:#edf1e6!important;border:1px solid #333e2c!important}html[data-theme=night] .question-bookmark:hover,html[data-theme=night] .bookmark-control:hover,html[data-theme=night] .card-utility:not(.card-utility-pill):hover,html[data-theme=night] .review-flag:hover{background:#252e20!important;border-color:var(--accent)!important;color:#fff!important}html[data-theme=night] .saved-card.study-ticket .card-utility-row .card-utility-pill{background:#1c2319d9!important;color:#c9d5be!important;border:1px solid #36442c!important;border-radius:9999px!important;box-shadow:0 2px 6px #00000059!important}html[data-theme=night] .saved-card.study-ticket .card-utility-row .card-utility-pill:hover{background:#273322!important;border-color:var(--accent)!important;color:#fff!important;box-shadow:0 4px 12px #00000080!important}html[data-theme=night] .saved-card.study-ticket .card-utility-row .card-utility-pill.is-pinned{background:linear-gradient(135deg,#a3be8c40,#64825026)!important;border-color:var(--accent)!important;color:var(--accent)!important;font-weight:800!important;box-shadow:0 0 12px #a3be8c40!important}html[data-theme=night] .question-bookmark[aria-pressed=true],html[data-theme=night] .bookmark-control[aria-pressed=true],html[data-theme=night] .review-flag.is-flagged{background:var(--accent)!important;color:#121510!important;border-color:var(--accent-deep)!important;font-weight:800!important}html[data-theme=night] .button.soft{background:#252e20!important;color:#edf1e6!important;border:1px solid #38452e!important}html[data-theme=night] .button.soft:hover{background:#2c3725!important;border-color:var(--accent)!important;color:#fff!important}html[data-theme=night] .button.danger{background:#ff7b722e!important;color:#ff7b72!important;border:1px solid rgba(255,123,114,.35)!important}html[data-theme=night] .button.dark{background:#252e20!important;color:#edf1e6!important;border:1px solid #38452e!important}html[data-theme=night] .strike-toggle-btn{background:#1c2219!important;color:var(--muted)!important;border:1px solid #333e2c!important}html[data-theme=night] .strike-toggle-btn:hover{background:#252e20!important;color:var(--text)!important}html[data-theme=night] .strike-toggle-btn[aria-pressed=true]{background:#283322!important;color:var(--text)!important;border:1px solid #3d4e33!important}html[data-theme=night] .product-segments{background:#181c15!important;border:1px solid #2a3323!important}html[data-theme=night] .product-segments label{color:#9aa38f!important}html[data-theme=night] .product-segments label:hover{color:#edf1e6!important}html[data-theme=night] .product-segments .selected,html[data-theme=night] .product-segments label.selected{background:var(--accent)!important;color:#121510!important;font-weight:800!important;box-shadow:0 2px 8px #00000073!important}html[data-theme=night] .product-segments .selected span,html[data-theme=night] .product-segments label.selected span{color:#121510!important}html[data-theme=night] .select-popup{background:#1c2219!important;border-color:#333e2c!important;box-shadow:0 16px 42px #0009!important}html[data-theme=night] .select-popup [role=option]{color:#edf1e6!important}html[data-theme=night] .select-popup [role=option].highlighted,html[data-theme=night] .select-popup [role=option]:hover{background:#252e20!important;color:#fff!important}html[data-theme=night] .select-popup [aria-selected=true],html[data-theme=night] .select-popup [role=option][aria-selected=true]{background:var(--accent)!important;color:#121510!important;font-weight:800!important}html[data-theme=night] .select-popup [role=option][aria-selected=true] span{color:#121510!important}html[data-theme=night] .mode-badge,html[data-theme=night] .pin-label,html[data-theme=night] .user-monogram,html[data-theme=night] .account-badge.role-admin,html[data-theme=night] .pro-foil-badge,html[data-theme=night] .motion-demo span{background:#252e20!important;color:var(--accent)!important;border:1px solid #38452e!important;font-weight:700!important}html[data-theme=night] .count-pill{background:var(--accent)!important;color:#121510!important;font-weight:800!important}html[data-theme=night] .editor-steps .current>span{background:var(--accent)!important;color:#121510!important;font-weight:800!important}html[data-theme=night] .editor-steps .done>span{background:#252e20!important;color:var(--accent)!important;border:1px solid #38452e!important}html[data-theme=night] .question-editor legend{background:#252e20!important;color:var(--accent)!important;border:1px solid #38452e!important}html[data-theme=night] .truth-editor label.selected{background:var(--accent)!important;color:#121510!important;font-weight:800!important}html[data-theme=night] .account-menu[open]>summary{background:#252e20!important;color:var(--accent)!important;border-color:var(--accent)!important}html[data-theme=night] .account-menu-sheet{background:#1c2219!important;border:1px solid #38462f!important;box-shadow:0 20px 48px #000000d9!important}html[data-theme=night] .account-menu-sheet button{color:#e2e8da!important}html[data-theme=night] .account-menu-sheet button:hover,html[data-theme=night] .account-menu-sheet button:focus-visible{background:#283323!important;color:var(--accent)!important}html[data-theme=night] .account-menu-sheet .menu-danger{color:#ff7b72!important}html[data-theme=night] .account-menu-sheet .menu-danger:hover{background:#ff7b7226!important;color:#ff9992!important}html[data-theme=night] .deck-actions .deck-open>span{background:var(--accent)!important;color:#121510!important;font-weight:800!important}html[data-theme=night] .answer-card.selected:not(.correct):not(.incorrect) .answer-letter{background:var(--accent)!important;color:#121510!important;border-color:var(--accent-deep)!important;font-weight:800!important}html[data-theme=night] .auth-tab-bar{background:#181c15!important;border:1px solid #2a3323!important}html[data-theme=night] .auth-tab{color:#9aa38f!important}html[data-theme=night] .auth-tab:hover{color:#edf1e6!important}html[data-theme=night] .auth-tab.active{background:#252e20!important;color:#edf1e6!important;border:1px solid #38452e!important;box-shadow:0 2px 6px #0006!important}.bottom-nav a.active{background:var(--accent)!important;color:#121510!important;font-weight:700!important}.bottom-nav a.active>:not(.active-plate){position:relative!important;z-index:2!important;color:#121510!important}.bottom-nav a.active svg{color:#121510!important;stroke:#121510!important;fill:currentColor!important;position:relative!important;z-index:2!important}.bottom-nav a.active span{color:#121510!important;position:relative!important;z-index:2!important}.pro-tool-chip.active{background:var(--accent)!important;color:#121510!important;border-color:var(--accent-deep)!important;font-weight:700!important}html[data-theme=night] .pro-tool-chip.active{background:var(--accent)!important;color:#121510!important;border-color:var(--accent)!important;font-weight:800!important}html[data-theme=night] .pro-tool-chip:not(.active):hover{background:#252e20!important;color:#edf1e6!important;border-color:#38452e!important}html[data-theme=night] .setting-toggle input{background:#252b21!important;border:1px solid #38452e!important}html[data-theme=night] .setting-toggle input:after{background:#9aa38f!important}html[data-theme=night] .setting-toggle input:checked{background:var(--accent)!important;border-color:var(--accent)!important}html[data-theme=night] .setting-toggle input:checked:after{background:#121510!important}.resume-note{padding:16px;border-radius:14px;background:var(--accent);color:#121510!important}.resume-note strong,.resume-note p{color:#121510!important}html[data-theme=night] .resume-note{background:#252e20!important;color:#edf1e6!important;border:1px solid #38452e!important}html[data-theme=night] .resume-note strong{color:var(--accent)!important}html[data-theme=night] .resume-note p{color:#ccd1c1!important}html[data-theme=night] .sr-status:not(:empty){background:#252e20!important;color:var(--accent)!important;border:1px solid #38452e!important}.attempt-timer.warning{color:#121510!important;background:var(--accent)!important;font-weight:800!important}.button,.deck-open{position:relative;overflow:hidden}.button:not(.primary):after,.deck-open:after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;background:radial-gradient(circle at var(--mx, 50%) var(--my, 50%),rgba(255,255,255,.35),transparent 70%);transition:opacity .22s var(--ease)}.button:not(.primary)[data-touch-active=true]:after,.deck-open[data-touch-active=true]:after,.button:not(.primary):active:after,.deck-open:active:after{opacity:1}html[data-theme=night] input[type=radio]{border-color:#38452e;background:#181d16}html[data-theme=night] input[type=radio]:hover:not(:disabled){border-color:var(--accent);box-shadow:0 0 0 3px #d7f86b33}html[data-theme=night] input[type=radio]:checked{border-color:var(--accent);background:#181d16}html[data-theme=night] input[type=radio]:checked:before{background:var(--accent)}html[data-theme=night] input[type=checkbox]:not(.setting-toggle input){border-color:#38452e;background:#181d16}html[data-theme=night] input[type=checkbox]:not(.setting-toggle input):hover:not(:disabled){border-color:var(--accent);box-shadow:0 0 0 3px #d7f86b33}html[data-theme=night] input[type=checkbox]:not(.setting-toggle input):checked{border-color:var(--accent);background:var(--accent)}html[data-theme=night] input[type=checkbox]:not(.setting-toggle input):checked:before{border-left-color:#121510;border-bottom-color:#121510}html[data-theme=night] ::-webkit-scrollbar-thumb{background:#2e3827}html[data-theme=night] ::-webkit-scrollbar-thumb:hover{background:#44543b}html[data-theme=sepia] input[type=radio]:hover:not(:disabled){border-color:var(--accent-deep);box-shadow:0 0 0 3px #37451e26}html[data-theme=sepia] input[type=checkbox]:not(.setting-toggle input):hover:not(:disabled){border-color:var(--accent-deep);box-shadow:0 0 0 3px #37451e26}html[data-theme=sepia] ::-webkit-scrollbar-thumb{background:#c2b59b}html[data-theme=sepia] ::-webkit-scrollbar-thumb:hover{background:#9c8e75}.cmd-trigger-pill{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);font-size:13px;font-weight:600;cursor:pointer;transition:border-color .16s var(--ease),background-color .16s var(--ease),color .16s var(--ease)}.cmd-trigger-pill:hover{border-color:var(--accent-deep);color:var(--text);background:var(--soft)}.cmd-trigger-pill kbd{padding:2px 6px;border-radius:6px;background:var(--soft);border:1px solid var(--line);font-family:inherit;font-size:11px;font-weight:700;color:var(--text)}.cmd-backdrop{position:fixed;inset:0;z-index:9999;background:#181c149e;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:flex-start;justify-content:center;padding:10vh 16px 24px}.cmd-modal{width:min(620px,100%);background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 64px #00000047;overflow:hidden;animation:dialog-in .18s var(--ease) both}.cmd-search-bar{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);background:var(--surface)}.cmd-search-bar input{flex:1;border:0;background:transparent;color:var(--text);font-size:16px;outline:none}.cmd-esc-btn{padding:4px 8px;border-radius:6px;background:var(--soft);border:1px solid var(--line);color:var(--muted);font-size:11px;font-weight:700}.cmd-results{max-height:55vh;overflow-y:auto;padding:8px}.cmd-group-heading{padding:10px 12px 4px;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.cmd-item{width:100%;display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;background:transparent;color:var(--text);text-align:left;cursor:pointer}.cmd-item.is-active{background:var(--soft);box-shadow:inset 3px 0 0 var(--accent-deep)}.cmd-item-icon{width:34px;height:34px;border-radius:8px;background:var(--soft);display:grid;place-items:center;color:var(--accent-deep);flex:none}.cmd-item.is-active .cmd-item-icon{background:var(--accent);color:#121510}.cmd-item-text{flex:1;min-width:0;display:grid;gap:2px}.cmd-item-text strong{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cmd-item-text small{font-size:12px;color:var(--muted)}.cmd-empty{padding:32px 16px;text-align:center;color:var(--muted);font-size:14px}.cmd-footer{display:flex;gap:16px;padding:10px 18px;border-top:1px solid var(--line);background:var(--soft);font-size:12px;color:var(--muted)}.flashcard-stage-wrap{margin:12px 0 28px;padding:24px;border:1px solid var(--line);border-radius:20px;background:color-mix(in srgb,var(--soft) 45%,var(--surface))}.flashcard-top-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px;flex-wrap:wrap}.flashcard-3d-viewport{perspective:1200px;cursor:pointer;margin-bottom:20px}.flashcard-3d-inner{position:relative;min-height:340px;transform-style:preserve-3d;transition:transform .42s cubic-bezier(.22,1,.36,1)}.flashcard-3d-viewport.is-flipped .flashcard-3d-inner{transform:rotateY(180deg)}.flashcard-face{backface-visibility:hidden;-webkit-backface-visibility:hidden;border:1px solid var(--line);border-radius:8px 28px 8px 18px;background:var(--surface);padding:28px;min-height:340px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 6px color-mix(in srgb,var(--line) 75%,transparent)}.flashcard-back{position:absolute;inset:0;transform:rotateY(180deg);border-color:var(--accent-deep)}.flashcard-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;color:var(--muted);flex-wrap:wrap}.flashcard-body{margin:20px 0}.flashcard-body h2{font-size:22px;line-height:1.5;margin-bottom:18px}.flashcard-options-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.flashcard-option-chip{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:10px;background:var(--soft);border:1px solid var(--line);font-size:14px;min-width:0}.flashcard-option-chip strong{flex:0 0 auto}.flashcard-option-chip span{flex:1 1 auto;min-width:0;word-break:normal;overflow-wrap:break-word}.flashcard-correct-box{display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:14px;background:#e0efdf;color:var(--success);border:1px solid var(--success);font-size:18px;margin-bottom:18px}html[data-theme=night] .flashcard-correct-box{background:#17603d47;color:#85f0b2}.flashcard-explanation-box{padding:16px 18px;border-radius:12px;background:var(--soft);border-left:4px solid var(--accent-deep);line-height:1.65}.flashcard-hint{text-align:center;font-size:12px;font-weight:600;color:var(--muted);padding-top:12px;border-top:1px dashed var(--line)}.flashcard-controls{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}@media(max-width:760px){.cmd-trigger-pill span,.cmd-trigger-pill kbd{display:none}.cmd-trigger-pill{width:44px;height:44px;padding:0;justify-content:center}.flashcard-options-list{grid-template-columns:1fr}.flashcard-controls>.button{flex:1}}html[data-theme=night] .admin-action-sheet{background:#192015!important;border-color:#38462f!important;box-shadow:0 24px 54px #000000d9!important}html[data-theme=night] .sheet-user-header{background:#20291b!important;border-color:#38462f!important}html[data-theme=night] .sheet-user-info strong,html[data-theme=night] .sheet-action-item,html[data-theme=night] .sheet-action-text strong{color:#e2e8da!important}html[data-theme=night] .sheet-action-item:hover,html[data-theme=night] .sheet-action-item:focus-visible{background:#25311f!important}html[data-theme=night] .sheet-action-item.sheet-danger,html[data-theme=night] .sheet-action-item.sheet-danger strong{color:#ff7b72!important}html[data-theme=night] .sheet-action-item.sheet-danger:hover,html[data-theme=night] .sheet-action-item.sheet-danger:focus-visible{background:#ff7b7229!important}html[data-theme=night] .sheet-self-banner{background:#20291b!important;color:#a5df48!important}html[data-theme=night] .learner-preview-banner{background:#20281b!important;color:#e2e8da!important}html[data-theme=night] .learner-preview-banner strong{color:var(--accent)!important}html[data-theme=night] .learner-preview-banner span{color:#9ba492!important}html[data-theme=night] .learner-preview-question{color:#f4faee!important}html[data-theme=night] .learner-preview-options button{background:#1c2219!important;border-color:#38462f!important;color:#e2e8da!important}html[data-theme=night] .learner-preview-options button:hover{background:#242e20!important;border-color:var(--accent)!important}html[data-theme=night] .learner-preview-badge,html[data-theme=night] .learner-preview-options button>span:first-child{background:#252e20!important;color:#cdd5c3!important}html[data-theme=night] .learner-preview-text,html[data-theme=night] .learner-preview-options button .math-content-container{color:#e2e8da!important}html[data-theme=night] .learner-preview-options button.selected{background:#283422!important;border-color:var(--accent)!important;box-shadow:0 0 0 1.5px var(--accent),0 8px 24px #0006!important;color:#fff!important}html[data-theme=night] .learner-preview-options button.selected .learner-preview-text,html[data-theme=night] .learner-preview-options button.selected .math-content-container{color:#fff!important}html[data-theme=night] .learner-preview-options button.selected .learner-preview-badge,html[data-theme=night] .learner-preview-options button.selected>span:first-child{background:var(--accent)!important;color:#121510!important}html[data-motion-effective=enhanced] .button.primary:after{animation:none!important;width:auto;height:2px;inset:auto 12px 5px;background:currentColor;opacity:.22;transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}html[data-motion-effective=enhanced] .button.primary:is(:hover,:focus-visible):after{transform:scaleX(1)}.button:active,.deck-open:active,.answer-card:active{transform:none}.question-compact-bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-bottom:14px;margin-bottom:16px;border-bottom:1px solid color-mix(in srgb,var(--line) 75%,transparent)}.question-badge-group,.question-QuickActions{display:flex;align-items:center;flex-wrap:wrap;gap:6px}.question-number-pill{font-size:14px;font-weight:800;color:var(--accent-deep);background:var(--soft);padding:5px 11px;border-radius:999px}html[data-theme=night] .question-number-pill{background:#252e20;color:var(--accent)}.saving-indicator{font-size:12px;color:var(--muted)}.quiz-hud-center,.mobile-nav-sheet-trigger,.mobile-grid-quick-btn{display:none}.quiz-hud-right{display:flex;align-items:center;gap:8px;margin-left:auto}.answer-option-row{position:relative;display:flex;align-items:stretch;gap:10px;transition:transform .18s cubic-bezier(.16,1,.3,1)}.answer-option-row:hover:not(:has(.answer-card:disabled)){transform:translateY(-2px)}.answer-option-row:active:not(:has(.answer-card:disabled)){transform:scale(.99)}.answer-option-row>.answer-card{flex:1;min-width:0;margin-bottom:0!important;padding-right:20px}.answer-option-row>.strike-toggle-btn{position:static;transform:none;z-index:2;width:44px;align-self:stretch;min-height:48px;padding:0;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--surface);border:1px solid var(--line);color:var(--muted);opacity:.45;cursor:pointer;transition:all .18s var(--ease)}.answer-option-row:hover .strike-toggle-btn{opacity:.9;border-color:color-mix(in srgb,var(--accent-deep) 30%,var(--line))}.answer-option-row>.strike-toggle-btn:hover{opacity:1!important;color:var(--danger);border-color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,var(--surface));transform:scale(1.06)}.answer-option-row>.strike-toggle-btn[aria-pressed=true]{opacity:1;background:var(--soft);color:var(--text);border-color:var(--line)}@media(max-width:640px){.answer-option-row{align-items:center;gap:0}.answer-option-row>.answer-card{width:100%;padding-right:48px}.answer-option-row>.strike-toggle-btn{position:absolute;right:10px;top:50%;transform:translateY(-50%);width:32px;height:32px;min-width:32px;min-height:32px;border-radius:8px;opacity:.8}.answer-option-row>.strike-toggle-btn:before{content:"";position:absolute;inset:-6px}}.unanswered-warning-bar{margin-top:14px;padding:12px 14px;border-radius:12px;background:var(--soft);border:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.unanswered-warning-bar p{margin:0;font-size:14px}@media(max-width:760px){.app-shell.is-learning .app-header,.app-shell.is-learning .mobile-permission-nav,.app-shell.is-learning .app-footer{display:none!important}.app-shell.is-learning #main{padding-top:8px;padding-bottom:104px}.quiz-top{position:sticky!important;top:6px!important;z-index:60!important;margin:0 0 10px!important;padding:8px 12px!important;border-radius:14px!important;background:color-mix(in srgb,var(--surface) 94%,transparent)!important;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line)!important;box-shadow:0 4px 16px #24282014!important;flex-wrap:nowrap!important;gap:8px!important}.quiz-exit-link{min-height:38px;font-size:13px;flex-shrink:0}.quiz-exit-link span{display:none}.quiz-hud-center{display:flex;align-items:center;gap:6px;min-width:0;flex:1}.quiz-hud-center .mode-badge{display:none}.quiz-hud-title{font-size:14px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text)}.mobile-nav-sheet-trigger{display:inline-flex;align-items:center;gap:4px;min-height:36px;padding:4px 10px;border-radius:999px;background:var(--soft);border:1px solid var(--line);color:var(--text);font-size:12px;font-weight:600;flex-shrink:0}.quiz-heading,.desktop-only-guide{display:none!important}.question-stage{margin-top:10px!important;gap:14px!important}.question-card{padding:16px 14px!important;border-radius:16px!important}.question-compact-bar{padding-bottom:10px;margin-bottom:12px}.question-compact-bar .review-flag,.question-compact-bar .question-bookmark,.question-compact-bar .pro-tool-chip{min-height:34px!important;padding:4px 10px!important;font-size:12px!important;margin:0!important}.hide-on-xs{display:none}.question-card h2{font-size:19px!important;line-height:1.5!important}.answer-instruction{font-size:12.5px;margin:8px 0 14px}.answer-grid{gap:10px!important}.answer-card{min-height:58px!important;padding:12px 46px 12px 12px!important;font-size:15px!important;margin-bottom:0!important}.mobile-grid-quick-btn{display:inline-flex;flex:0 0 auto!important;width:auto!important;padding:0 14px!important;font-variant-numeric:tabular-nums}.mobile-sheet-dots{max-height:48vh!important;overflow-y:auto!important;justify-content:center}.mobile-subject-filter{display:none!important}.subject-filters{display:flex!important;flex-wrap:nowrap!important;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;gap:8px;margin:0 -14px 14px;padding:4px 14px 8px;scrollbar-width:none}.subject-filters::-webkit-scrollbar{display:none}.subject-filters button{flex:0 0 auto;scroll-snap-align:start;white-space:nowrap;min-height:40px;padding:7px 14px;background:var(--surface);border:1px solid var(--line)}.library-compact-controls{display:grid!important;grid-template-columns:1fr 1fr!important;gap:8px!important;margin-bottom:16px!important}.library-compact-controls>*:first-child{grid-column:auto!important}.saved-grid{gap:14px!important}.saved-card.study-ticket{padding:16px!important;border-radius:14px!important}.saved-card.study-ticket h3{margin:12px 0 8px!important;font-size:19px!important}.ticket-state{min-height:0!important;margin-top:10px!important;padding:10px 12px!important}.history-filters{display:grid!important;grid-template-columns:1fr 1fr!important;gap:8px!important}.history-filters>*:first-child{grid-column:1 / -1!important}.history-list .history-row{display:grid!important;grid-template-columns:auto 1fr auto!important;align-items:center!important;gap:12px!important;padding:14px 16px!important}.history-list .history-row .result-mini{min-width:58px!important;height:52px!important;font-size:17px!important;margin:0!important}.history-list .history-row>strong{grid-column:3!important;grid-row:1!important;margin-top:0!important;font-size:18px!important}.admin-user-card:has(.account-menu[open]){z-index:120!important}.account-menu-sheet{position:fixed!important;left:12px!important;right:12px!important;bottom:max(84px,calc(env(safe-area-inset-bottom) + 74px))!important;top:auto!important;width:auto!important;z-index:130!important;border-radius:16px!important;padding:10px!important;box-shadow:0 -8px 40px #00000059!important}.pro-hero-banner{padding:18px 16px!important;gap:16px!important;margin-bottom:16px!important}.pro-bento-grid{grid-template-columns:1fr 1fr!important;gap:10px!important;margin-bottom:18px!important}.pro-bento-card.wide{grid-column:1 / -1!important}.pro-bank-composer{display:grid!important;grid-template-columns:1fr 1fr!important;width:100%;gap:8px!important}.pro-bank-composer .product-select{width:100%!important}.pro-bank-composer>.button{grid-column:1 / -1;width:100%}}.survival-hud{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:12px 18px;background:var(--surface);border:1px solid var(--line);border-radius:16px;margin:12px 0 16px;box-shadow:0 4px 16px #00000008;transition:all .3s ease}.survival-hud.is-fever{border-color:#eab3088c;box-shadow:0 0 20px #eab30838;background:linear-gradient(135deg,var(--surface),rgba(254,240,138,.08))}.survival-hud-left{display:flex;align-items:center;gap:14px}.survival-hearts{display:flex;align-items:center;gap:6px}.survival-heart{transition:transform .25s cubic-bezier(.34,1.56,.64,1),opacity .25s ease}.survival-heart.is-alive{color:#ef4444;filter:drop-shadow(0 2px 6px rgba(239,68,68,.45));animation:heartThump 2.5s ease-in-out infinite}.survival-heart.is-dead{color:var(--muted, #9ca3af);opacity:.35;transform:scale(.85)}@keyframes heartThump{0%,to{transform:scale(1)}15%{transform:scale(1.12)}30%{transform:scale(1)}}.survival-timer-wrap{display:flex;align-items:center;gap:10px;min-width:140px;flex:1;max-width:280px}.survival-timer-track{flex:1;height:8px;background:var(--line, rgba(0, 0, 0, .08));border-radius:999px;overflow:hidden;position:relative}.survival-timer-bar{height:100%;border-radius:999px;transition:width 1s linear,background-color .3s ease;background:linear-gradient(90deg,#10b981,#f59e0b)}.survival-timer-bar.is-warning{background:linear-gradient(90deg,#f59e0b,#ef4444);animation:timerPulse .6s infinite alternate}@keyframes timerPulse{0%{opacity:.8}to{opacity:1;filter:drop-shadow(0 0 6px rgba(239,68,68,.6))}}.survival-timer-badge{font-size:.82rem;font-weight:700;font-variant-numeric:tabular-nums;padding:3px 8px;border-radius:8px;background:var(--soft, rgba(0, 0, 0, .05));color:var(--foreground)}.survival-timer-badge.is-warning{color:#ef4444;background:#ef44441f;animation:timerTextShake .4s infinite}@keyframes timerTextShake{0%,to{transform:translate(0)}25%{transform:translate(-1px)}75%{transform:translate(1px)}}.survival-hud-right{display:flex;align-items:center;gap:10px}.survival-streak-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;border-radius:999px;font-size:.8rem;font-weight:700;background:linear-gradient(135deg,#f59e0b1f,#eab30838);border:1px solid rgba(245,158,11,.35);color:#b45309;transition:all .3s ease}.survival-streak-badge.is-fever{background:linear-gradient(135deg,#f59e0b,#eab308);color:#78350f;border-color:#fef08a;box-shadow:0 0 16px #eab30880;animation:feverBadgeGlow 1.2s infinite alternate}@keyframes feverBadgeGlow{0%{transform:scale(1);filter:drop-shadow(0 0 4px rgba(234,179,8,.4))}to{transform:scale(1.04);filter:drop-shadow(0 0 10px rgba(234,179,8,.8))}}.survival-score-badge{display:inline-flex;align-items:center;gap:6px;font-size:.88rem;font-weight:700;color:var(--accent-deep, #37451e);padding:4px 10px;border-radius:10px;background:var(--soft, rgba(0, 0, 0, .04));border:1px solid var(--line, rgba(0, 0, 0, .08))}.question-card.is-fever-mode{border-color:#eab30899!important;box-shadow:0 0 24px #eab30840!important;transition:border-color .4s ease,box-shadow .4s ease}.sudden-death-dialog{text-align:center;padding:8px 0 12px}.sudden-death-icon{display:inline-flex;align-items:center;justify-content:center;width:88px;height:88px;border-radius:50%;background:#ef44441a;color:#ef4444;margin:0 auto 16px;animation:skullPulse 1.8s infinite}@keyframes skullPulse{0%,to{transform:scale(1)}50%{transform:scale(1.08);box-shadow:0 0 25px #ef444459}}.survival-stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0 16px}@media(max-width:480px){.survival-stats-grid{grid-template-columns:1fr;gap:8px}}.survival-stat-card{padding:14px 10px;border-radius:14px;background:var(--soft, rgba(0, 0, 0, .03));border:1px solid var(--line, rgba(0, 0, 0, .08));display:flex;flex-direction:column;gap:6px;align-items:center}.survival-stat-card span{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.survival-stat-card strong{font-size:1.25rem;font-weight:800;color:var(--foreground)}.sound-header-btn:hover{transform:scale(1.08);border-color:var(--accent, #eab308)!important}.mode-card-survival.selected{border-color:#f59e0b!important;background:#f59e0b0f!important}:root{font-family:Be Vietnam Pro,Segoe UI,sans-serif;color:var(--text);background:var(--bg);--bg: #f3f3eb;--surface: #fffff9;--paper: var(--surface);--ink: var(--text);--text: #242820;--muted: #5e6458;--accent: #d7f86b;--accent-deep: #37451e;--soft: #e5ead9;--line: #c8cdbd;--success: #17603d;--danger: #9c332e;--radius: 20px;--shadow: 0 8px 24px #2428200b;--display: 56px;--h1: 40px;--h2: 24px;--h3: 20px;--body: 16px;--caption: 14px;--button: 14px;--ease: cubic-bezier(.22, 1, .36, 1)}*,*:before,*:after,html,body{box-sizing:border-box;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-user-drag:none;scrollbar-width:thin;scrollbar-color:var(--line) transparent}*,*::selection,*::-moz-selection,::selection,::-moz-selection{background:transparent!important;color:inherit!important}input,textarea,[contenteditable=true],.allow-select{-webkit-user-select:text!important;-moz-user-select:text!important;-ms-user-select:text!important;user-select:text!important}input::selection,textarea::selection,[contenteditable=true]::selection,.allow-select::selection,input::-moz-selection,textarea::-moz-selection,[contenteditable=true]::-moz-selection,.allow-select::-moz-selection{background:#d7f86b73!important;color:var(--text)!important}html[data-theme=night] input::selection,html[data-theme=night] textarea::selection,html[data-theme=night] [contenteditable=true]::selection,html[data-theme=night] .allow-select::selection,html[data-theme=night] input::-moz-selection,html[data-theme=night] textarea::-moz-selection,html[data-theme=night] [contenteditable=true]::-moz-selection,html[data-theme=night] .allow-select::-moz-selection{background:#bae65059!important;color:var(--text)!important}html[data-theme=sepia] input::selection,html[data-theme=sepia] textarea::selection,html[data-theme=sepia] [contenteditable=true]::selection,html[data-theme=sepia] .allow-select::selection,html[data-theme=sepia] input::-moz-selection,html[data-theme=sepia] textarea::-moz-selection,html[data-theme=sepia] [contenteditable=true]::-moz-selection,html[data-theme=sepia] .allow-select::-moz-selection{background:#d3f26173!important;color:var(--text)!important}img,a,svg,[draggable=false]{-webkit-user-drag:none;user-drag:none}input[type=radio]{appearance:none;-webkit-appearance:none;width:20px;height:20px;border:2px solid var(--line);border-radius:50%;background:var(--surface);display:inline-grid;place-content:center;margin:0;vertical-align:middle;cursor:pointer;flex-shrink:0;transition:border-color .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease),transform .14s var(--ease)}input[type=radio]:hover:not(:disabled){border-color:var(--accent-deep);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 30%,transparent)}input[type=radio]:active:not(:disabled){transform:scale(.92)}input[type=radio]:before{content:"";width:10px;height:10px;border-radius:50%;transform:scale(0);transition:transform .18s cubic-bezier(.34,1.56,.64,1);background:var(--accent-deep)}input[type=radio]:checked{border-color:var(--accent-deep);background:var(--surface)}input[type=radio]:checked:before{transform:scale(1)}input[type=checkbox]:not(.setting-toggle input){appearance:none;-webkit-appearance:none;width:20px;height:20px;border:2px solid var(--line);border-radius:6px;background:var(--surface);display:inline-grid;place-content:center;margin:0;vertical-align:middle;cursor:pointer;flex-shrink:0;transition:border-color .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease),transform .14s var(--ease)}input[type=checkbox]:not(.setting-toggle input):hover:not(:disabled){border-color:var(--accent-deep);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 30%,transparent)}input[type=checkbox]:not(.setting-toggle input):active:not(:disabled){transform:scale(.92)}input[type=checkbox]:not(.setting-toggle input):before{content:"";width:9px;height:5px;border-left:2.2px solid var(--surface);border-bottom:2.2px solid var(--surface);transform:rotate(-45deg) scale(0);transition:transform .18s cubic-bezier(.34,1.56,.64,1);margin-top:-2px}input[type=checkbox]:not(.setting-toggle input):checked{border-color:var(--accent-deep);background:var(--accent-deep)}input[type=checkbox]:not(.setting-toggle input):checked:before{transform:rotate(-45deg) scale(1)}select{appearance:none;-webkit-appearance:none;background-color:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:10px 38px 10px 14px;font-size:15px;line-height:1.5;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2337451e' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;cursor:pointer;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}select:hover:not(:disabled){border-color:var(--accent-deep)}select:focus-visible{outline:2px solid var(--accent-deep);outline-offset:2px;box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 35%,transparent)}input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:8px;background:var(--line);border-radius:999px;outline:none;cursor:pointer;transition:background .18s var(--ease)}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--accent);border:2px solid var(--accent-deep);cursor:pointer;box-shadow:0 2px 8px #0000002e;transition:transform .16s var(--ease),box-shadow .16s var(--ease)}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15);box-shadow:0 3px 12px #d7f86b80}input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--accent);border:2px solid var(--accent-deep);cursor:pointer;box-shadow:0 2px 8px #0000002e}::-webkit-scrollbar{width:7px;height:7px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-corner{background:transparent}::-webkit-scrollbar-thumb{background:var(--line);border-radius:9999px;border:1.5px solid transparent;background-clip:padding-box;transition:background-color .2s ease}::-webkit-scrollbar-thumb:hover{background:var(--muted);border:1.5px solid transparent;background-clip:padding-box}summary{list-style:none}summary::-webkit-details-marker{display:none}input[type=number]::-webkit-outer-spin-button,input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield;appearance:textfield}html,body{margin:0;max-width:100vw;overflow-x:hidden}h1,h2,h3,p{margin:0}h1,h2,h3{text-wrap:balance}p{text-wrap:pretty}h1,h2,h3{font-weight:700;line-height:1.3;overflow-wrap:break-word;word-break:normal;text-wrap:balance}h1{font-size:var(--h1);letter-spacing:-1.5px}h2{font-size:var(--h2);letter-spacing:-.6px}h3{font-size:var(--h3);letter-spacing:-.4px}p{font-size:16px;line-height:1.7;color:var(--muted);overflow-wrap:break-word;word-break:normal}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit;color:inherit}button,a{touch-action:manipulation;-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0}svg{flex-shrink:0}button:disabled{cursor:not-allowed;opacity:.55}button,a,input,textarea,select,summary{outline-offset:4px;scroll-margin:100px 0 120px}html{scroll-padding:100px 0 120px}:focus-visible{outline:2px solid var(--accent-deep);outline-offset:2px;box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 35%,transparent)}main:focus:not(:focus-visible),h2:focus:not(:focus-visible){outline:none}button,a{transition:transform .16s var(--ease)}button:active:not(:disabled),a:active{transform:translateY(1px)}.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}.skip-link{position:fixed;left:20px;top:-100px;z-index:100;background:var(--text);color:var(--surface);padding:16px}.skip-link:focus{top:12px}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:44px;padding:10px 18px;border-radius:12px;font-size:14px;font-weight:600;text-align:center;line-height:1.5;transition:transform .16s var(--ease),box-shadow .16s var(--ease),background-color .16s var(--ease),border-color .16s var(--ease)}.result-actions .button,.library-intro>.button,.question-actions .button{min-height:48px;padding:12px 20px}.button,.deck-open,.saved-card,.history-row,.answer-card{touch-action:manipulation}.button:active,.deck-open:active,.answer-card:active{transform:translateY(2px) scale(.985);transition-duration:.1s}.button.primary,.button.light{background:var(--accent);color:#121510!important;font-weight:700;border:1px solid rgba(0,0,0,.08);box-shadow:0 4px 14px #d7f86b59,0 3px #a6c34b}.button.primary:hover:not(:disabled),.button.light:hover:not(:disabled){transform:translateY(-1.5px);box-shadow:0 6px 18px #d7f86b73,0 3.5px #9bb744}.button.soft{background:var(--soft);color:var(--text);border:1px solid var(--line);box-shadow:0 2px 6px #00000008}.button.soft:hover:not(:disabled){background:color-mix(in srgb,var(--soft) 85%,var(--accent));border-color:var(--accent-deep);transform:translateY(-1.5px);box-shadow:0 4px 12px #0000000f}.button.dark{background:var(--text);color:var(--surface);border:1px solid var(--text);box-shadow:0 4px 12px #00000026}.button.dark:hover:not(:disabled){opacity:.93;transform:translateY(-1.5px);box-shadow:0 6px 16px #0003}.button.danger{background:#fdf2f0;color:var(--danger);border:1px solid color-mix(in srgb,var(--danger) 25%,transparent)}.button.danger:hover:not(:disabled){background:#fbe5e1;transform:translateY(-1.5px)}.full-width{width:100%}.icon-button{width:48px;height:48px;display:grid;place-items:center;flex:none;border-radius:50%;background:var(--soft);color:var(--text)}.text-link,.text-button{display:inline-flex;align-items:center;gap:8px;min-height:44px;background:none;color:var(--accent-deep);font-weight:600;font-size:14px}.text-link:hover,.text-button:hover{text-decoration:underline}.panel{background:var(--surface);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}.section-label,.caption{font-size:14px;color:var(--muted);line-height:1.6}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.section-heading p{margin-top:8px}.page-heading{margin-bottom:32px;max-width:800px}.page-heading h1{margin:12px 0}.page-heading p{max-width:65ch}.notice,.form-error{padding:18px 22px;background:#f6e7c9;border-radius:12px;margin:20px 0;color:#674512;line-height:1.6}.notice p{color:inherit}.form-error{background:#f5dfd8;color:var(--danger)}.big-empty{padding:48px 24px;text-align:center}.big-empty h3,.big-empty h1{margin:16px 0}.big-empty p{max-width:55ch;margin:0 auto 24px}.big-empty>svg{color:var(--accent-deep)}.fatal{max-width:650px;margin:10vh auto;padding:32px}.fatal p{margin:20px 0}.workspace{min-width:0}.app-header{height:88px;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:0 max(32px,calc((100vw - 1280px)/2));background:var(--bg);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}.brand strong{font-size:25px;letter-spacing:-1px}.brand strong span{font-size:14px;font-weight:400;letter-spacing:0;margin-left:8px}.desktop-nav{display:flex;gap:8px;align-items:center}.desktop-nav a{display:flex;align-items:center;gap:9px;padding:13px 16px;font-size:14px;min-height:48px;border-radius:12px}.desktop-nav a.active{background:var(--text);color:var(--accent)}.profile-button{display:flex;align-items:center;gap:10px;min-height:48px;font-size:14px}.profile-button span{max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#main{max-width:1344px;margin:auto;padding:40px 32px 64px;min-height:75vh}.bottom-nav,.mobile-permission-nav{display:none}.app-footer{max-width:1280px;margin:0 auto;padding:20px 32px;display:flex;justify-content:space-between;gap:24px;color:var(--muted);font-size:14px}.connection{font-size:14px;display:flex;align-items:center;gap:16px}.connection [role=status]{display:flex;align-items:center;gap:8px}.status-dot{width:8px;height:8px;background:var(--muted);border-radius:50%}.connected .status-dot{background:var(--success)}.error .status-dot{background:var(--danger)}.library-intro{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;margin-bottom:44px}.hello{margin-bottom:16px;color:var(--text)}.hello span{display:inline-block;background:var(--accent);color:#121510!important;font-weight:700;border-radius:50%;padding:0 8px;margin-left:8px}.library-intro h1{font-size:var(--display);letter-spacing:-2.6px;line-height:1.25;margin-bottom:18px}.library-intro h1>span{color:var(--muted)}.library-intro>.button{flex-shrink:0;margin-bottom:8px}.library-title{display:flex;align-items:center;gap:12px}.count-pill{border-radius:50%;background:var(--text);color:var(--surface);min-width:32px;height:32px;display:grid;place-items:center;font-size:14px}input[type=search]::-webkit-search-cancel-button,input[type=search]::-webkit-search-decoration,input[type=search]::-webkit-search-results-button,input[type=search]::-webkit-search-results-decoration{-webkit-appearance:none;appearance:none;display:none!important}input::-ms-clear,input::-ms-reveal{display:none!important;width:0!important;height:0!important}.search-field{display:flex;align-items:center;gap:10px;padding:0 14px;background:var(--surface);border:1px solid var(--line);border-radius:12px;position:relative}.search-field input{background:transparent;min-height:48px;width:240px;border:0;color:var(--text);min-width:0;flex:1 1 auto}.search-clear-action{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;padding:0;border-radius:50%;border:none;background:var(--soft);color:var(--muted);cursor:pointer;transition:all .14s ease;flex-shrink:0}.search-clear-action:hover{background:var(--line);color:var(--text);transform:scale(1.08)}.subject-filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}.subject-filters button{min-height:44px;padding:9px 16px;background:transparent;border-radius:30px;color:var(--muted);font-size:14px}.subject-filters button span{margin-left:10px;font-variant-numeric:tabular-nums}.subject-filters button[aria-pressed=true]{background:var(--text);color:var(--surface)}.saved-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.saved-card{position:relative;min-width:0;background:var(--surface);border-radius:8px 36px 8px 8px;padding:26px 26px 20px;box-shadow:0 7px #dbded0;display:flex;flex-direction:column;transition:transform .18s var(--ease)}.saved-card.math{background:#e7eedb}.saved-card.physics{background:#dcebe5}.saved-card.chemistry{background:#f3e3d0}.saved-card.english{background:#e1e6ef}.card-top{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:14px}.deck-count{display:flex;align-items:baseline;gap:10px;margin:22px 0 12px}.deck-count>strong{font-size:56px;letter-spacing:-3px;line-height:1.1;font-variant-numeric:tabular-nums}.deck-count>span{font-size:14px}.deck-count .deck-index{margin-left:auto;color:var(--muted)}.saved-card h3{font-size:22px;line-height:1.45;margin:8px 0 12px}.card-date{font-size:14px}.card-result{display:flex;justify-content:space-between;gap:12px;font-size:14px;margin-top:16px}.card-result strong{color:var(--text)}.deck-open{margin-top:auto;padding:22px 0 0;display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;background:transparent;font-size:14px;color:var(--text);font-weight:600;text-align:left}.deck-open>span{width:44px;height:44px;border-radius:50%;background:var(--text);color:var(--surface);display:grid;place-items:center}.library-empty{display:grid;grid-template-columns:220px 1fr;gap:48px;align-items:center;padding:44px;background:var(--surface);border-radius:24px}.library-empty h3{font-size:28px}.library-empty p{margin:14px 0 24px;max-width:60ch}.empty-deck{position:relative;width:160px;height:160px;margin:auto}.empty-deck span{position:absolute;inset:0;background:var(--soft);border-radius:12px;display:grid;place-items:center;font-size:60px;transform:rotate(-14deg)}.empty-deck span:nth-child(2){background:var(--text);color:var(--surface);transform:rotate(12deg)}.empty-deck span:nth-child(3){background:var(--accent);transform:rotate(-3deg)}.learning-strip{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;margin-top:40px}.resume-feature{background:var(--text);color:var(--surface);padding:32px;border-radius:24px}.resume-feature .section-label,.resume-feature p{color:#ccd1c1}.resume-feature h2{margin:14px 0}.resume-feature .button{margin-top:22px}.resume-feature .progress-track{margin-top:20px;background:#545b49}.recent-feature{padding:28px 32px;background:var(--soft);border:1px solid var(--line);border-radius:24px}.recent-feature h2,.recent-feature h3{margin:12px 0}.recent-feature>.section-label{display:block;margin-bottom:12px}.recent-score{display:flex;align-items:center;gap:24px;margin-bottom:8px}.recent-score>strong{font-size:48px;letter-spacing:-2px}.recent-score small{font-size:24px;color:var(--muted)}.recent-score>span{font-size:14px;color:var(--muted);line-height:1.7}.auth-page{display:grid;grid-template-columns:1.1fr 1fr;min-height:100svh}.auth-brand{background:var(--text);color:var(--surface);padding:42px max(40px,calc((100vw - 1280px)/2));padding-right:48px;overflow:hidden}.auth-manifesto{max-width:570px;margin:64px 0 0}.auth-manifesto>.section-label{color:#ccd1c1}.auth-manifesto h2{font-size:48px;letter-spacing:-2px;line-height:1.3;margin:20px 0}.auth-manifesto h2 span{color:var(--accent)}.auth-manifesto p{color:#ccd1c1}.auth-methods{display:flex;justify-content:space-between;gap:12px;color:#ccd1c1;font-size:14px;margin-top:28px}.auth-form{align-self:center;width:min(100%,480px);margin:48px auto;padding:32px;background:transparent;box-shadow:none}.auth-form h1{font-size:32px;margin:12px 0 16px;letter-spacing:-1px}.auth-form form{margin-top:28px}.auth-switch{display:flex;margin:24px auto 0;text-align:center}.auth-form .caption{margin:0 0 20px}.quiz-art{position:relative;height:320px;margin-top:28px}.art-orbit{position:absolute;border:1px solid #636c56;border-radius:50%;width:360px;height:260px;left:60px;top:24px;transform:rotate(-25deg)}.art-sheet{position:absolute;width:236px;height:270px;border-radius:12px;padding:24px;left:90px;top:20px}.art-sheet.rear{background:#667254;transform:rotate(15deg) translate(25px,-5px);font-size:80px}.art-sheet.front{background:var(--surface);color:var(--text);transform:rotate(-8deg);box-shadow:0 20px 30px #0002}.art-number{font-size:14px}.art-sheet strong{display:block;font-size:22px;line-height:1.5;margin:12px 0}.art-option{height:30px;display:flex;align-items:center;gap:12px;background:var(--soft);padding:6px 10px;border-radius:5px;margin-top:7px;font-size:12px}.art-option i{height:4px;width:90px;background:#9ea68e}.art-option.chosen{background:var(--accent)}.art-stamp{position:absolute;left:285px;top:230px;background:var(--accent);color:#121510!important;padding:14px 20px;border-radius:50%;transform:rotate(8deg);font-size:14px;font-weight:700;white-space:nowrap}.page-skeleton{max-width:1100px;padding:32px;margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.page-skeleton>div{height:260px;background:#e2e5d8;border-radius:18px}.page-skeleton>div:first-of-type{grid-column:1/-1;height:120px;background:linear-gradient(110deg,#e2e5d8 40%,#ecede4 60%)}@media(hover:hover)and (pointer:fine){.button:hover:not(:disabled){transform:translateY(-2px)}.saved-card:hover{transform:translateY(-5px)}.desktop-nav a:not(.active):hover,.subject-filters button:not([aria-pressed=true]):hover{background:var(--soft)}.deck-open:hover>span{background:var(--accent);color:#121510!important}}html[data-motion=minimal] *,html[data-motion=minimal] *:before,html[data-motion=minimal] *:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}@media(max-width:1100px){:root{--display: 46px;--h1: 36px}.app-header{padding:0 24px;gap:16px}.desktop-nav a{padding:12px}.desktop-nav svg{display:none}.profile-button span{display:none}.saved-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.auth-brand{padding:36px}.auth-manifesto h2{font-size:40px}.art-sheet{left:40px}.art-stamp{left:210px}.library-intro{align-items:flex-start}.library-intro>.button{margin-top:50px}}@media(max-width:760px){:root{--display: 34px;--h1: 30px;--h2: 22px}.app-header{height:72px;padding:0 20px}.desktop-nav{display:none}.mobile-permission-nav{display:block;padding:10px 20px 0}.mobile-permission-nav a{min-height:52px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;max-width:520px;margin:auto;padding:8px 12px;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:0 3px 0 var(--line)}.mobile-permission-nav a[aria-current=page]{border-color:var(--accent-deep);box-shadow:0 3px 0 var(--accent-deep)}.mobile-permission-nav span{display:grid;line-height:1.25}.mobile-permission-nav strong{font-size:14px}.mobile-permission-nav small{color:var(--muted);font-size:11px}.brand strong{font-size:23px}.brand img{width:32px;height:32px}.brand strong span{font-size:12px}#main{padding:20px 14px 100px}.bottom-nav{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);position:fixed;z-index:85;bottom:0;left:0;right:0;padding:8px 10px max(12px,env(safe-area-inset-bottom));background:#242820f6;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid rgba(200,205,189,.25);box-shadow:0 -8px 24px #2428201f;gap:4px}.is-learning .bottom-nav{display:none!important}.bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;font-weight:600;min-height:52px;color:#c8cdbd;border-radius:12px;transition:background .15s ease,color .15s ease;touch-action:manipulation;position:relative;isolation:isolate}.bottom-nav a>:not(.active-plate){position:relative!important;z-index:2!important;pointer-events:none}.bottom-nav a.active{background:var(--accent);color:#121510!important;font-weight:700}.bottom-nav a.active svg{color:#121510!important;stroke:#121510!important;fill:currentColor;position:relative!important;z-index:2!important}.bottom-nav a.active span{color:#121510!important;position:relative!important;z-index:2!important}.bottom-nav a:active{transform:scale(.96)}.bottom-nav svg{width:22px;height:22px}.app-footer{padding-bottom:110px;flex-direction:column}.library-intro{display:block;margin-bottom:32px}.library-intro h1{letter-spacing:-1.5px}.library-intro>.button{margin:20px 0 0}.hello{font-size:14px}.section-heading{align-items:flex-start;flex-wrap:wrap}.search-field,.search-field input{width:100%}.subject-filters{gap:6px}.subject-filters button{padding:9px 12px}.saved-grid{grid-template-columns:1fr;gap:24px}.saved-card{padding:22px}.deck-count{margin-top:16px}.deck-count>strong{font-size:48px}.library-empty{display:block;padding:28px 22px}.empty-deck{width:110px;height:110px;margin:12px auto 34px}.library-empty h3{font-size:24px}.learning-strip{grid-template-columns:1fr;margin-top:32px}.resume-feature,.recent-feature{padding:26px}.auth-page{display:block}.auth-brand{padding:24px}.auth-manifesto{margin-top:32px}.auth-manifesto>.section-label,.auth-manifesto>p,.auth-methods,.quiz-art{display:none}.auth-manifesto h2{font-size:32px;letter-spacing:-1px;margin:0}.auth-form{margin:0 auto;padding:32px 24px 48px}.auth-form h1{font-size:28px}.panel{padding:18px 16px}.page-skeleton{grid-template-columns:1fr;padding:24px}.page-skeleton>div{height:160px}.connection{flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}[data-reduced=true] *,[data-reduced=true] *:before,[data-reduced=true] *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}#main:focus-visible{outline:none}.mobile-subject-filter{display:none}@media(min-width:761px){.is-pasting .editor-meta{background:transparent;box-shadow:none;padding:0}.is-pasting .page-heading,.is-pasting .editor-steps{margin-bottom:24px}.is-pasting .paste-panel>p{font-size:14px}}@media(max-width:760px){.subject-filters{display:none}.mobile-subject-filter{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted);margin-bottom:24px}.mobile-subject-filter>span{flex:none}.mobile-subject-filter select{width:100%;min-width:0;min-height:48px;border:1px solid var(--line);border-radius:10px;padding:8px;color:var(--text);background:var(--surface);font-size:14px}.library-intro{margin-bottom:26px}.library-intro h1{font-size:30px}.library-intro>div>p:last-child{font-size:14px}.library-title h2{font-size:20px}.library-section>.section-heading{gap:16px;margin-bottom:16px}}.panel.history-list{background:transparent;box-shadow:none;padding:0}.page-skeleton>p{grid-column:1/-1;font-size:16px;color:var(--muted)}.profile-button{min-width:48px;justify-content:center}.brand{min-height:48px}.maintenance-wrapper,.fallback-wrapper{position:fixed;inset:0;z-index:999999;background-color:var(--bg);background-image:radial-gradient(var(--soft) 1px,transparent 1px);background-size:24px 24px;display:flex;align-items:center;justify-content:center;padding:24px;overflow-y:auto}.maintenance-card,.fallback-card{position:relative;max-width:480px;width:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:40px 32px;box-shadow:0 16px 40px #24282014;text-align:center}.maintenance-badge,.error-pill{display:inline-flex;align-items:center;gap:8px;background:var(--soft);border:1px solid var(--line);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;color:var(--accent-deep);margin-bottom:24px}.pulse-dot{width:8px;height:8px;border-radius:50%;background:#f59e0b;box-shadow:0 0 #f59e0bb3;animation:pulse-badge 2s infinite}@keyframes pulse-badge{0%{transform:scale(.95);box-shadow:0 0 #f59e0bb3}70%{transform:scale(1);box-shadow:0 0 0 8px #f59e0b00}to{transform:scale(.95);box-shadow:0 0 #f59e0b00}}.maintenance-icon{margin:0 auto 20px;color:var(--accent-deep);display:flex;justify-content:center}.maintenance-title,.fallback-title{font-size:22px;font-weight:700;color:var(--text);line-height:1.3;margin-bottom:12px}.maintenance-message,.fallback-desc{font-size:15px;line-height:1.6;color:var(--muted);margin-bottom:24px}.maintenance-time{background:var(--bg);border:1px dashed var(--line);border-radius:12px;padding:10px 16px;font-size:14px;color:var(--text);margin-bottom:24px}.maintenance-actions,.fallback-actions{display:flex;justify-content:center;margin-bottom:16px}.maintenance-btn,.fallback-btn{width:100%;padding:14px 20px;font-size:15px;font-weight:600;border-radius:12px;cursor:pointer}.maintenance-caption{font-size:13px;color:var(--muted);line-height:1.5;margin-bottom:20px}.maintenance-footer{border-top:1px solid var(--line);padding-top:16px}.admin-bypass-trigger,.diag-toggle{background:none;border:none;font-size:13px;color:var(--muted);text-decoration:underline;cursor:pointer;padding:4px}.admin-bypass-trigger:hover,.diag-toggle:hover{color:var(--text)}.bypass-form{margin-top:14px;display:flex;flex-direction:column;gap:10px}.bypass-input{width:100%;padding:10px 14px;border:1px solid var(--line);border-radius:10px;font-size:14px;background:var(--bg)}.fallback-radar{position:relative;width:72px;height:72px;margin:0 auto 20px;display:flex;align-items:center;justify-content:center}.radar-circle{position:absolute;border-radius:50%;border:1px solid var(--accent-deep);opacity:.3}.radar-c1{width:72px;height:72px;animation:radar-ping 2.4s infinite cubic-bezier(0,.2,.8,1)}.radar-c2{width:52px;height:52px;animation:radar-ping 2.4s infinite cubic-bezier(0,.2,.8,1) .6s}.radar-c3{width:32px;height:32px;animation:radar-ping 2.4s infinite cubic-bezier(0,.2,.8,1) 1.2s}.radar-icon{position:relative;z-index:2;color:var(--text);display:flex}@keyframes radar-ping{0%{transform:scale(.6);opacity:.7}to{transform:scale(1.3);opacity:0}}.diag-box{margin-top:16px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:14px 16px;text-align:left;font-size:13px;display:flex;flex-direction:column;gap:8px}.diag-item{display:flex;justify-content:space-between;align-items:center;color:var(--muted)}.diag-item strong,.diag-item code{color:var(--text);font-family:monospace}.auth-social-wrap{margin-top:20px;display:flex;flex-direction:column;gap:10px}.google-sign-btn{width:100%;min-height:50px;display:flex;align-items:center;justify-content:center;gap:12px;font-weight:600;font-size:15px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);box-shadow:0 2px 6px #2428200a;cursor:pointer;transition:background .15s ease,border-color .15s ease}.google-sign-btn:hover{background:var(--bg);border-color:var(--text)}.google-sign-btn:active{transform:scale(.99)}.google-hidden-render{display:none}.auth-divider{display:flex;align-items:center;margin:20px 0;color:var(--muted);font-size:13px}.auth-divider:before,.auth-divider:after{content:"";flex:1;border-bottom:1px solid var(--line)}.auth-divider span{padding:0 12px}.auth-tab-bar{display:grid;grid-template-columns:1fr 1fr;background:var(--soft);border-radius:12px;padding:4px;margin-bottom:22px}.auth-tab{border:none;background:transparent;padding:10px 14px;font-size:14px;font-weight:600;color:var(--muted);border-radius:10px;cursor:pointer;transition:background .15s ease,color .15s ease}.auth-tab.active{background:var(--surface);color:var(--text);box-shadow:0 2px 6px #2428200f}.otp-notice-card{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin-bottom:20px;font-size:14px;line-height:1.5}.otp-pill{display:inline-block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;background:var(--accent);color:var(--text);padding:2px 8px;border-radius:6px;margin-bottom:6px}.otp-number-input{font-size:26px!important;letter-spacing:12px;text-align:center;font-family:monospace;font-weight:700;height:56px!important;border-radius:12px!important}.otp-actions-stack{margin-top:20px;display:flex;flex-direction:column;gap:14px}.otp-secondary-actions{display:flex;justify-content:center;align-items:center;gap:12px;font-size:14px;color:var(--muted)}.form-success{color:var(--success);background:#e0efdf;border:1px solid #bedbbd;border-radius:10px;padding:10px 14px;font-size:14px;margin:12px 0}.auth-submit-btn{min-height:50px;font-size:15px;font-weight:700;border-radius:12px;display:flex;align-items:center;justify-content:center;gap:8px}.otp-digit-group{display:flex;justify-content:space-between;gap:8px;margin:12px 0 18px}.otp-digit-box{flex:1;max-width:54px;height:58px;padding:0;font-size:24px;font-weight:800;text-align:center;font-family:SF Mono,Consolas,Monaco,monospace;background:var(--surface);border:2px solid var(--line);border-radius:12px;color:var(--text);transition:border-color .15s ease,box-shadow .15s ease,background-color .15s ease;caret-color:var(--text)}.otp-digit-box:focus{outline:none;border-color:var(--accent);background:var(--surface);color:var(--text);box-shadow:0 0 0 3px #d7f86b66}.otp-digit-box.filled{border-color:var(--line);background:var(--soft);color:var(--text)}.auth-field-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.auth-field-header .text-link{font-size:13px;font-weight:500}.auth-alert-danger{color:#9c332e;background:#fbf0ec;border:1px solid #ecc9be;border-radius:10px;padding:11px 15px;font-size:14px;line-height:1.45;margin:12px 0}.auth-social-wrap{position:relative;display:flex;justify-content:center;align-items:center;width:100%}.google-hidden-render{position:absolute!important;top:0;left:0;width:100%!important;height:100%!important;opacity:.001!important;overflow:hidden;cursor:pointer;z-index:2;display:flex!important;justify-content:center;align-items:center}@media(max-width:480px){:root{--display: 28px;--h1: 24px;--h2: 20px;--h3: 18px}.deck-count>strong{font-size:38px!important;letter-spacing:-1.5px}.recent-score>strong{font-size:38px!important;letter-spacing:-1px}.bento-big-stat strong{font-size:32px!important}.pro-launch-metrics strong{font-size:22px!important}.auth-manifesto h2{font-size:28px!important}.resume-feature,.recent-feature{padding:20px 16px!important}}@media(max-width:380px){:root{--display: 24px;--h1: 22px;--h2: 18px;--h3: 16px}.deck-count>strong{font-size:32px!important}.recent-score>strong{font-size:32px!important}.hero-card,.resume-feature,.recent-feature,.saved-card{padding:16px 14px!important}}.protection-toast{position:fixed;bottom:32px;left:50%;transform:translate(-50%,20px) scale(.95);display:flex;align-items:center;gap:10px;padding:12px 22px;border-radius:9999px;background:var(--text);color:var(--surface);font-size:13.5px;font-weight:600;box-shadow:0 14px 40px #00000052,0 0 0 1px #ffffff1f;z-index:999999;pointer-events:none;opacity:0;transition:transform .24s cubic-bezier(.16,1,.3,1),opacity .24s ease;max-width:90vw;text-align:center}.protection-toast.visible{transform:translate(-50%) scale(1);opacity:1}.protection-icon{display:inline-flex;align-items:center;justify-content:center;color:var(--accent);flex-shrink:0}@media(max-width:760px){.protection-toast{bottom:max(80px,calc(env(safe-area-inset-bottom) + 72px));font-size:12.5px;padding:10px 16px;gap:8px}}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/be-vietnam-pro-latin-400-normal-PpnXBOrz.woff2) format("woff2"),url(/assets/be-vietnam-pro-latin-400-normal-bXgqVju9.woff) format("woff")}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/be-vietnam-pro-vietnamese-400-normal-CRcqvyg1.woff2) format("woff2"),url(/assets/be-vietnam-pro-vietnamese-400-normal-BuGn0gnm.woff) format("woff")}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/be-vietnam-pro-latin-600-normal-BZDkUTrt.woff2) format("woff2"),url(/assets/be-vietnam-pro-latin-600-normal-5IO4e7bK.woff) format("woff")}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/be-vietnam-pro-vietnamese-600-normal-nyU-ZL2p.woff2) format("woff2"),url(/assets/be-vietnam-pro-vietnamese-600-normal-DkpCIyan.woff) format("woff")}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/be-vietnam-pro-latin-700-normal-DlW1Zbsh.woff2) format("woff2"),url(/assets/be-vietnam-pro-latin-700-normal-C2EtzaOi.woff) format("woff")}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/be-vietnam-pro-vietnamese-700-normal-Csr0PCuG.woff2) format("woff2"),url(/assets/be-vietnam-pro-vietnamese-700-normal-By_5yT39.woff) format("woff")}