@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.18.9"}.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}@font-face{font-family:NewPrepSans;src:local("Avenir Next");font-display:swap}:root{font-family:NewPrepSans,Segoe UI,sans-serif;color:#15212a;background:#f7f8f8;font-synthesis:none;--ink:#15212a;--muted:#74808a;--line:#e4e8ea;--soft:#f2f4f4;--paper:#fff;--nav:#123f59;--nav-2:#1d5877;--blue:#16a8e6;--blue-dark:#097fba;--cyan:#c9f6fb;--green:#17a957;--green-soft:#daf7e6;--amber:#ed9900;--amber-soft:#fff1c7;--red:#ef3d42;--red-soft:#ffe1e2;--violet:#7a46e8;--violet-soft:#eee7ff;--shadow:0 18px 50px rgba(19,40,52,.09);--radius:18px}:root[data-theme=dark]{color:#eaf1f4;background:#0f171c;--ink:#edf5f7;--muted:#96a6ad;--line:#29383f;--soft:#172329;--paper:#111c22;--nav:#0a2e43;--nav-2:#164b68;--shadow:0 18px 50px rgba(0,0,0,.3);--green-soft:#103822;--amber-soft:#3a2c0c;--red-soft:#3f1b1e;--violet-soft:#2b2345}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%;background:var(--soft)}button,input,select,textarea{font:inherit;color:inherit}button{border:0;background:none;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}svg{width:18px;height:18px;stroke-width:1.9}h1,h2,h3,p{margin:0}input,select,textarea{border:1px solid var(--line);background:var(--paper);border-radius:12px;padding:12px 14px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 17%,transparent)}.brand{display:flex;align-items:center;gap:8px;color:#fff;font-weight:750;font-size:18px;letter-spacing:-.04em}.brand em{font-size:8px;font-style:normal;letter-spacing:.08em;color:#9feaf3;border:1px solid #ffffff35;border-radius:99px;padding:3px 5px}.brand-large{font-size:26px}.brand-mark{width:28px;height:25px;position:relative;display:grid;place-items:center}.brand-mark i{position:absolute;width:16px;height:16px;border-radius:50%;background:#48dbe3}.brand-mark i:nth-child(1){left:0;bottom:1px}.brand-mark i:nth-child(2){left:6px;top:0;background:#7cecf1}.brand-mark i:nth-child(3){right:0;bottom:2px;background:#21bfd0}.brand-mark b{position:relative;font:800 12px/1 NewPrepSans;color:#0f4960;z-index:1}.brand-large .brand-mark{transform:scale(1.25);margin-right:3px}.primary,.outline,.dark-button{min-height:40px;padding:0 17px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:13px;transition:.2s ease}.primary{background:var(--blue);color:#fff;box-shadow:0 6px 20px color-mix(in srgb,var(--blue) 28%,transparent)}.primary:hover{background:var(--blue-dark);transform:translateY(-1px)}.outline{border:1px solid var(--line);background:var(--paper);color:var(--ink)}.outline:hover{border-color:#bec7cc;background:var(--soft)}.dark-button{background:var(--ink);color:var(--paper)}.wide{width:100%}.text-button{color:var(--blue-dark);font-weight:700;font-size:13px}.eyebrow{font-size:10px;letter-spacing:.13em;font-weight:800;color:var(--blue-dark)}.muted{color:var(--muted)}.auth-shell{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr;background:var(--paper)}.auth-story{position:relative;overflow:hidden;padding:52px 64px;display:flex;flex-direction:column;justify-content:space-between;background:radial-gradient(circle at 20% 80%,#246680 0,transparent 31%),radial-gradient(circle at 82% 20%,#167392 0,transparent 27%),linear-gradient(145deg,#0c344a,#145673);color:#fff}.auth-story:after{content:"";position:absolute;inset:0;opacity:.12;background-image:linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:linear-gradient(transparent,#000);mask-image:linear-gradient(transparent,#000)}.auth-copy{z-index:1;max-width:650px;margin:80px 0}.auth-copy .eyebrow{color:#74e8ef}.auth-copy h1{font-size:clamp(44px,5vw,76px);line-height:1.02;letter-spacing:-.055em;margin:16px 0 24px}.auth-copy h1 span{color:#7ee9ee}.auth-copy p{font-size:18px;line-height:1.7;color:#c9e1e8;max-width:560px}.auth-rings{position:absolute;width:430px;height:430px;border:1px solid #ffffff20;border-radius:50%;right:-120px;bottom:-180px}.auth-rings span{position:absolute;inset:45px;border:1px solid #ffffff24;border-radius:50%}.auth-rings span:nth-child(2){inset:100px}.auth-rings span:nth-child(3){inset:155px}.auth-rings b{position:absolute;left:130px;top:105px;width:72px;height:72px;border-radius:22px;background:#fff;color:var(--blue);display:grid;place-items:center;transform:rotate(-9deg);box-shadow:var(--shadow)}.auth-rings svg{width:34px;height:34px}.auth-panel{display:grid;place-items:center;padding:40px;background:var(--paper)}.auth-card{width:min(430px,100%);display:flex;flex-direction:column;gap:19px}.auth-card h2{font-size:34px;letter-spacing:-.045em;margin-top:40px}.auth-card>div>p{color:var(--muted);margin-top:7px}.auth-card label,.modal-form label{display:flex;flex-direction:column;gap:8px;font-size:12px;font-weight:700;color:var(--muted)}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mini-logo{display:none}.privacy-note{text-align:center;color:var(--muted);font-size:11px}.form-error{display:flex;gap:8px;align-items:flex-start;padding:11px 13px;border-radius:10px;background:var(--red-soft);color:var(--red);font-size:12px}.theme-float{position:fixed;right:20px;top:20px;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:var(--paper);display:grid;place-items:center;z-index:4}.app-shell{display:grid;grid-template-columns:222px minmax(0,1fr);min-height:100vh;transition:grid-template-columns .25s}.app-shell.compact{grid-template-columns:72px minmax(0,1fr)}.sidebar{position:sticky;top:0;height:100vh;background:var(--nav);color:#c7dbe5;padding:18px 12px 12px;display:flex;flex-direction:column;z-index:20;overflow:hidden}.sidebar-logo{padding:0 8px 15px;white-space:nowrap}.sat-pill{height:36px;background:#ffffff10;border:1px solid #ffffff0b;border-radius:11px;padding:5px;display:flex;align-items:center;gap:9px;margin:0 2px 10px;white-space:nowrap}.sat-pill span{background:#ffffff25;color:#fff;border-radius:8px;padding:5px 9px;font-weight:800;font-size:11px}.sat-pill i{font-size:10px;font-style:normal;letter-spacing:.09em}.nav-group{margin-top:11px}.nav-group label{display:block;font-size:9px;font-weight:800;letter-spacing:.12em;color:#79a5ba;margin:0 9px 7px}.nav-group button,.sidebar-bottom button{width:100%;height:39px;border-radius:9px;display:flex;align-items:center;gap:11px;color:#c7dbe5;padding:0 10px;font-size:12px;font-weight:600;white-space:nowrap}.nav-group button svg,.sidebar-bottom button>svg{width:17px;color:#8fb5c7;flex:0 0 auto}.nav-group button:hover,.nav-group button.active{background:#ffffff14;color:#fff}.nav-group button.active{box-shadow:inset 3px 0 #65e4eb}.nav-group button.active svg{color:#65e4eb}.sidebar-bottom{margin-top:auto;display:flex;flex-direction:column;gap:2px}.sidebar-bottom .avatar{flex:0 0 auto}.sidebar-bottom .gear{margin-left:auto;width:14px}.avatar{width:27px;height:27px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#9cf54e,#23cad8);color:#12384a;font-weight:900;font-size:12px}.avatar.large{width:58px;height:58px;font-size:22px}.app-shell.compact .sidebar span:not(.avatar),.app-shell.compact .sidebar label,.app-shell.compact .sidebar i,.app-shell.compact .sidebar em,.app-shell.compact .sidebar .gear{display:none}.app-shell.compact .brand>span:not(.brand-mark){display:none}.app-shell.compact .sidebar-logo{padding-left:9px}.app-shell.compact .sat-pill{background:transparent;border:0}.main-content{min-width:0;min-height:100vh;background:var(--soft)}.mobile-head{display:none}.page-frame{width:min(1040px,calc(100% - 64px));margin:0 auto;padding:54px 0 100px}.page-frame.wide{width:min(1220px,calc(100% - 64px))}.page-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.page-heading>div{display:flex;align-items:center;gap:12px}.page-heading h1{font-size:28px;letter-spacing:-.04em}.page-heading>div>svg{color:#8c999f;width:23px;height:23px}.page-heading aside{display:flex;gap:9px}.page-heading .select-chip{min-width:120px}.loading-card,.error-card{min-height:180px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);display:flex;align-items:center;justify-content:center;gap:12px;color:var(--muted)}.spin{animation:spin 1s linear infinite}.error-card{justify-content:flex-start;padding:30px;color:var(--red)}.error-card p{color:var(--muted);margin-top:4px}.error-card button{margin-left:auto;border:1px solid var(--line);padding:9px 14px;border-radius:9px}.empty-state{border:1px dashed #cfd7da;border-radius:var(--radius);padding:55px 30px;text-align:center;background:color-mix(in srgb,var(--paper) 75%,transparent)}.empty-state>span{display:grid;place-items:center;width:52px;height:52px;background:var(--cyan);color:#0c8da9;border-radius:16px;margin:0 auto 14px}.empty-state h3{font-size:18px}.empty-state p{color:var(--muted);font-size:13px;max-width:430px;margin:7px auto 18px;line-height:1.55}.mini-empty{height:150px;display:grid;place-items:center;align-content:center;gap:8px;color:var(--muted);text-align:center}.mini-empty svg{color:#9ac4d2}.mini-empty p{font-size:12px;max-width:260px}.welcome-row{display:flex;align-items:center;justify-content:space-between;margin:2px 0 28px}.welcome-row h1{font-size:34px;letter-spacing:-.045em;margin:7px 0}.welcome-row h1 em{font-style:normal;color:#8d9aa0;font-weight:500}.welcome-row p{color:var(--muted);font-size:14px}.streak-chip{border:1px solid var(--line);background:var(--paper);padding:10px 15px;border-radius:14px;display:flex;align-items:center;gap:7px}.streak-chip svg{color:var(--red);fill:#ffb93c}.streak-chip span{font-size:11px;color:var(--muted)}.hero-grid{display:grid;grid-template-columns:1fr 300px;gap:16px}.today-card{min-height:255px;border-radius:24px;overflow:hidden;display:grid;grid-template-columns:235px 1fr;background:var(--paper);border:1px solid var(--line);box-shadow:0 12px 40px #1b3e4e0d}.today-art{position:relative;background:radial-gradient(circle at 20% 20%,#9cf1f2 0,transparent 38%),linear-gradient(145deg,#1b6f8f,#0e425c);overflow:hidden}.today-art:after{content:"";position:absolute;inset:0;background-image:linear-gradient(#fff1 1px,transparent 1px),linear-gradient(90deg,#fff1 1px,transparent 1px);background-size:28px 28px;transform:rotate(8deg) scale(1.2)}.orbit{position:absolute;inset:50%;width:110px;height:110px;border:1px solid #fff5;border-radius:50%;transform:translate(-50%,-50%);display:grid;place-items:center;z-index:2}.orbit svg{width:48px;height:48px;color:#fff}.orbit i{position:absolute;width:12px;height:12px;background:#87ec50;border-radius:50%;top:-5px;left:42px;box-shadow:0 0 0 7px #87ec5033}.orbit i+i{inset:auto -2px 5px auto;background:#fbb643}.today-copy{padding:34px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.today-copy h2{font-size:25px;letter-spacing:-.035em;margin:8px 0}.today-copy p{color:var(--muted);line-height:1.55;font-size:13px;margin-bottom:22px}.goal-stack{display:grid;grid-template-rows:1fr 1fr;gap:14px}.countdown-card,.goal-card{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:21px;position:relative;overflow:hidden}.countdown-card>svg{position:absolute;right:17px;top:16px;color:#9aabb2}.countdown-card span,.goal-card span{display:block;font-size:11px;color:var(--muted)}.countdown-card strong,.goal-card strong{display:block;font-size:36px;letter-spacing:-.06em;margin-top:9px}.countdown-card small,.goal-card small{color:var(--muted)}.goal-card{display:flex;align-items:center;justify-content:space-between}.goal-card svg{width:65px;height:65px;color:var(--red);stroke-width:1.3}.section-title{display:flex;align-items:center;justify-content:space-between;margin:30px 0 12px}.section-title>div{display:flex;align-items:center;gap:9px}.section-title h2{font-size:17px;letter-spacing:-.02em}.section-title svg{color:#8f9ca2}.section-title .outline{min-height:34px;padding:0 11px}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--paper)}.metric{height:105px;padding:20px;display:flex;align-items:center;gap:15px;border-right:1px solid var(--line)}.metric:last-child{border:0}.metric>span{width:39px;height:39px;border-radius:12px;display:grid;place-items:center}.metric.blue>span{background:#dbf3fe;color:var(--blue-dark)}.metric.green>span{background:var(--green-soft);color:var(--green)}.metric.amber>span{background:var(--amber-soft);color:var(--amber)}.metric.red>span{background:var(--red-soft);color:var(--red)}.metric small{display:block;color:var(--muted);font-size:10px}.metric strong{display:block;font-size:24px;margin-top:4px;letter-spacing:-.04em}.dashboard-lower,.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}.panel{border:1px solid var(--line);border-radius:18px;background:var(--paper);padding:20px}.panel>.section-title{margin:0 0 14px}.focus-list>div,.session-list>div{display:flex;align-items:center;gap:13px;border-top:1px solid var(--line);padding:13px 2px}.focus-list>div>b{font-size:18px;color:#bdc5c8;font-weight:500}.focus-list>div>span,.session-list>div>span{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1}.focus-list strong,.session-list strong{font-size:12px}.focus-list small,.session-list small{font-size:10px;color:var(--muted)}.accuracy-pill{display:inline-flex;align-items:center;gap:5px;font-weight:750;font-size:12px;white-space:nowrap}.accuracy-pill i{width:7px;height:7px;border-radius:50%}.accuracy-pill.good i{background:var(--green)}.accuracy-pill.mid i{background:var(--amber)}.accuracy-pill.low i{background:var(--red)}.status-dot{width:7px;height:7px;background:var(--green);border-radius:50%}.session-list>div>b{font-size:12px}.subject-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:18px}.subject-cards>button{height:145px;border-radius:19px;padding:23px 26px;color:#fff;text-align:left;display:flex;justify-content:space-between;align-items:center;overflow:hidden;position:relative;transition:.2s}.subject-cards>button:after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent,#fff2);opacity:0;transition:.2s}.subject-cards>button:hover:after,.subject-cards>button.selected:after{opacity:1}.subject-cards .reading{background:linear-gradient(135deg,#b14ae7,#e272ef)}.subject-cards .math{background:linear-gradient(135deg,#117bc0,#22b5ea)}.subject-cards button>span{display:flex;flex-direction:column;gap:7px;z-index:1}.subject-cards button>span svg{margin-bottom:6px}.subject-cards b{font-size:18px}.subject-cards small{opacity:.8}.subject-cards>button>svg{width:80px;height:80px;opacity:.28;stroke-width:1;transform:rotate(-8deg)}.subject-cards button.selected{outline:3px solid color-mix(in srgb,var(--blue) 35%,transparent);outline-offset:3px}.filter-row{display:flex;gap:8px;flex-wrap:wrap}.select-chip{position:relative;min-height:39px;border-radius:11px;background:var(--paper);border:1px solid var(--line);display:flex;align-items:center;gap:7px;padding:0 11px;font-size:11px;font-weight:650;color:var(--ink)}.select-chip svg{width:14px}.select-chip svg:last-of-type{width:12px;margin-left:auto}.select-chip select{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}.practice-all{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);background:var(--paper);border-radius:15px;padding:18px 20px;margin-top:12px}.practice-all strong{font-size:14px}.practice-all p{font-size:11px;color:var(--muted);margin-top:4px}.skill-table-head{display:grid;grid-template-columns:minmax(0,1fr) 250px 110px;padding:27px 0 10px;border-bottom:1px solid var(--line);font-size:10px;color:var(--muted)}.skill-table-head span:nth-child(2){padding-left:44px}.domain-group{border-bottom:1px solid var(--line);padding:18px 0}.domain-group h2{font-size:18px;margin-bottom:10px}.skill-row{min-height:48px;display:grid;grid-template-columns:30px minmax(0,1fr) 250px 110px;align-items:center;position:relative}.check-box{width:19px;height:19px;border:1.5px solid #cdd5d8;border-radius:6px;display:grid;place-items:center}.check-box svg{width:13px}.check-box.checked{background:var(--ink);border-color:var(--ink);color:var(--paper)}.skill-name{text-align:left;font-size:12px;font-weight:550}.skill-progress{display:flex;align-items:center;gap:15px}.skill-progress>span{width:150px;height:7px;background:#e9edef;border-radius:99px;overflow:hidden}.skill-progress>span i{display:block;height:100%;background:var(--blue);border-radius:99px}.skill-progress>b{font-size:11px;color:var(--muted);font-weight:600;width:40px}.accuracy-hover{position:relative;outline:none;padding:10px 0}.accuracy-popover{position:absolute;right:-15px;top:40px;width:260px;height:155px;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;padding:19px;z-index:15;animation:pop .15s ease}.accuracy-popover:before{content:"";position:absolute;right:28px;top:-6px;width:11px;height:11px;background:var(--paper);border-left:1px solid var(--line);border-top:1px solid var(--line);transform:rotate(45deg)}.accuracy-popover strong{font-size:15px}.sparkline{width:100%;height:94px;margin-top:2px}.sparkline line{stroke:#cfd6d8;stroke-dasharray:3 4}.sparkline polyline{fill:none;stroke:var(--amber);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.popover-empty{height:96px;display:flex;align-items:center;justify-content:center;gap:7px;color:var(--muted);font-size:11px}.floating-start{position:fixed;left:calc(50% + 111px);bottom:24px;transform:translate(-50%);background:#12191d;color:#fff;border-radius:15px;padding:7px 8px 7px 17px;display:flex;align-items:center;gap:19px;box-shadow:0 12px 35px #0004;z-index:25}.floating-start span{font-size:11px}.floating-start label{display:flex;align-items:center;gap:7px;font-size:11px}.floating-start input{display:none}.floating-start label i{width:32px;height:18px;background:var(--blue);border-radius:99px;position:relative}.floating-start label i:after{content:"";position:absolute;width:14px;height:14px;right:2px;top:2px;border-radius:50%;background:#fff}.floating-start button{background:var(--blue);color:#fff;border-radius:10px;height:34px;padding:0 13px;display:flex;align-items:center;gap:5px;font-weight:700;font-size:12px}.tutor-page{height:calc(100vh - 145px);min-height:620px;border:1px solid var(--line);border-radius:19px;background:var(--paper);display:grid;grid-template-columns:245px 1fr;overflow:hidden}.chat-history{border-right:1px solid var(--line);padding:14px;display:flex;flex-direction:column;gap:4px}.chat-history>.eyebrow{padding:22px 8px 8px}.chat-history>button:not(.primary){display:flex;align-items:center;gap:8px;padding:11px 8px;border-radius:9px;text-align:left;font-size:11px;color:var(--muted)}.chat-history>button:hover{background:var(--soft);color:var(--ink)}.chat-history svg{width:14px}.ai-chat{height:100%;display:flex;flex-direction:column;min-height:0;background:var(--paper);position:relative}.chat-model{height:62px;padding:0 17px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;position:relative}.chat-model>div:first-child{display:flex;align-items:center;gap:9px}.chat-model>div>span:not(.bot-orb){display:flex;flex-direction:column}.chat-model b{font-size:12px}.chat-model small{font-size:9px;color:var(--muted)}.chat-model>button{border:1px solid var(--line);border-radius:9px;padding:8px 10px;display:flex;align-items:center;gap:5px;font-size:10px}.bot-orb{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(145deg,#8beded,#1ab2cb);color:#0b4a62}.bot-orb.large{width:62px;height:62px;border-radius:19px;margin-bottom:12px}.bot-orb.large svg{width:28px;height:28px}.model-menu{position:absolute!important;right:17px!important;top:53px;z-index:30;width:290px!important;background:var(--paper);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);padding:9px!important;display:block!important}.model-menu>.eyebrow{display:block!important;padding:8px!important}.model-menu>button{width:100%;display:flex;align-items:center;justify-content:space-between;padding:11px;border-radius:10px;text-align:left}.model-menu>button:hover,.model-menu>button.active{background:var(--soft)}.model-menu>button>span{display:flex;flex-direction:column}.chat-scroll{flex:1;overflow:auto;padding:24px}.chat-welcome{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.chat-welcome h2{font-size:20px}.chat-welcome>p{color:var(--muted);font-size:12px;margin:7px 0 25px}.prompt-list{width:min(500px,100%);display:grid}.prompt-list button{border-top:1px solid var(--line);padding:12px 2px;display:flex;align-items:center;justify-content:space-between;text-align:left;font-size:11px}.prompt-list button:hover{color:var(--blue-dark)}.messages{width:min(720px,100%);margin:0 auto;display:flex;flex-direction:column;gap:20px}.messages>div{display:flex;gap:10px}.messages>div>span{width:31px;height:31px;flex:0 0 auto;border-radius:9px;background:var(--soft);display:grid;place-items:center;font-size:9px;font-weight:800}.messages .assistant>span{background:var(--cyan);color:#0c6b84}.messages p{padding:9px 0;white-space:pre-wrap;line-height:1.65;font-size:13px}.messages .user{flex-direction:row-reverse}.messages .user p{background:var(--soft);padding:10px 14px;border-radius:13px}.typing:after{content:"…";animation:pulse 1s infinite}.chat-compose{margin:0 16px 16px;border:1px solid var(--line);background:var(--soft);border-radius:16px;min-height:58px;display:flex;align-items:center;padding:7px;gap:7px;position:relative}.chat-compose textarea{border:0;box-shadow:none;background:transparent;resize:none;flex:1;padding:10px 4px;font-size:12px}.chat-compose>button,.attachment-menu>button{width:35px;height:35px;border-radius:10px;display:grid;place-items:center}.chat-compose .send{background:var(--ink);color:var(--paper);border-radius:50%}.model-compact{width:auto!important;padding:0 8px!important;display:flex!important;gap:4px!important;font-size:9px}.model-compact svg{width:12px}.attachment-menu:hover .attachment-pop,.attachment-menu:focus-within .attachment-pop{display:block}.attachment-pop{display:none;position:absolute;bottom:49px;left:0;width:210px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:7px;box-shadow:var(--shadow);z-index:5}.attachment-pop button{width:100%;padding:10px;display:flex;gap:10px;font-size:11px;border-radius:8px}.attachment-pop button:hover{background:var(--soft)}.attachment-pop hr{border:0;border-top:1px solid var(--line)}.planner-summary{min-height:165px;border-radius:20px;background:linear-gradient(115deg,#143f58,#236985);color:#fff;padding:29px 34px;display:flex;align-items:center;justify-content:space-between;position:relative;overflow:hidden}.planner-summary:after{content:"";position:absolute;width:280px;height:280px;border:50px solid #ffffff0d;border-radius:50%;right:110px;top:-120px}.planner-summary h2{font-size:24px;margin:8px 0}.planner-summary p{font-size:12px;color:#cce0e8}.planner-summary .eyebrow{color:#76e7eb}.goal-medallion{width:88px;height:88px;border-radius:50%;background:#fff;color:#163e56;display:grid;place-items:center;align-content:center;position:relative;z-index:2;box-shadow:0 9px 25px #0002}.goal-medallion svg{position:absolute;width:65px;height:65px;color:#25b9c8;opacity:.18}.goal-medallion b{font-size:22px}.goal-medallion span{font-size:9px;color:#78909a}.week-list{margin-top:24px;border:1px solid var(--line);border-radius:18px;background:var(--paper);overflow:hidden}.day-block{display:grid;grid-template-columns:95px 1fr;border-bottom:1px solid var(--line)}.day-block:last-child{border:0}.day-stamp{padding:20px;text-align:center;border-right:1px solid var(--line);display:flex;flex-direction:column}.day-stamp small,.day-stamp span{font-size:10px;color:var(--muted)}.day-stamp b{font-size:24px}.plan-task{min-height:78px;display:flex;align-items:center;gap:13px;padding:12px 17px;border-bottom:1px solid var(--line)}.plan-task:last-child{border:0}.plan-task.done{opacity:.5}.plan-task.done strong{text-decoration:line-through}.task-check{width:21px;height:21px;border:1.5px solid #c9d2d6;border-radius:7px;display:grid;place-items:center}.plan-task.done .task-check{background:var(--green);border-color:var(--green);color:#fff}.task-check svg{width:14px}.plan-task>span{flex:1;display:flex;flex-direction:column;gap:5px}.plan-task strong{font-size:12px}.plan-task small{font-size:10px;color:var(--muted)}.modal-backdrop{position:fixed;inset:0;background:#07121888;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);display:grid;place-items:center;z-index:100}.modal{width:min(500px,calc(100% - 30px));background:var(--paper);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:22px}.modal>header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal>header h2{font-size:20px}.modal>header button{width:34px;height:34px;border-radius:9px;background:var(--soft);display:grid;place-items:center}.modal-form{display:flex;flex-direction:column;gap:16px}.modal-form input[type=range]{padding:0}.modal-form label>strong{color:var(--ink)}.weekday-row{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}.weekday-row button{height:37px;border:1px solid var(--line);border-radius:9px;font-size:10px}.weekday-row button.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}.switch-row{flex-direction:row!important;align-items:center;justify-content:space-between}.switch-row span{display:flex;flex-direction:column;gap:3px}.switch-row input{display:none}.switch-row>i{width:40px;height:23px;border-radius:99px;background:#c9d1d4;position:relative}.switch-row>i:after{content:"";position:absolute;width:19px;height:19px;left:2px;top:2px;background:#fff;border-radius:50%;transition:.2s}.switch-row input:checked+i{background:var(--blue)}.switch-row input:checked+i:after{left:19px}.notice-card{border:2px solid #c9ecfa;border-radius:17px;background:var(--paper);padding:20px;display:flex;gap:14px;align-items:flex-start}.notice-icon{width:36px;height:36px;background:var(--cyan);color:#0d8ba7;border-radius:11px;display:grid;place-items:center;flex:0 0 auto}.notice-card b{font-size:13px}.notice-card p{color:var(--muted);font-size:11px;line-height:1.55;margin-top:5px}.diagnostic-banner{margin:16px 0 20px;border:1px solid var(--line);background:linear-gradient(115deg,var(--paper),#edfafd);border-radius:17px;padding:23px 26px;display:flex;align-items:center;justify-content:space-between}.diagnostic-banner h2{font-size:20px;margin:5px 0}.diagnostic-banner p{color:var(--muted);font-size:11px}.test-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.test-card{border:1px solid var(--line);border-radius:18px;background:var(--paper);overflow:hidden}.test-preview{height:155px;background:linear-gradient(135deg,#eaf7fc,#f8fbfc);padding:25px;display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative;overflow:hidden}.test-preview:after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 20%,color-mix(in srgb,var(--blue) 12%,transparent))}.test-preview span{height:9px;background:#dbe3e6;border-radius:99px;box-shadow:0 20px #dbe3e6,0 40px #dbe3e6}.test-preview i{height:40px;background:#e1e7e9;border-radius:8px}.test-preview b{position:absolute;right:18px;top:15px;color:#b8c8ce;font-size:24px}.test-2 .test-preview{background:linear-gradient(135deg,#eef8ef,#fbfcf9)}.test-3 .test-preview{background:linear-gradient(135deg,#fff2e5,#fdfbf8)}.test-4 .test-preview{background:linear-gradient(135deg,#fdebf3,snow)}.test-5 .test-preview{background:linear-gradient(135deg,#f4eaff,#fcfbff)}.test-6 .test-preview{background:linear-gradient(135deg,#fff9dc,#fffdfa)}.test-card>div:last-child{padding:18px}.test-card h3{font-size:16px;margin:9px 0 4px}.test-card p{font-size:10px;color:var(--muted);margin-bottom:15px}.difficulty-tag{font-size:9px;font-weight:800;color:var(--red);background:var(--red-soft);padding:5px 8px;border-radius:99px}.subheading{font-size:20px;margin:34px 0 13px}.official-test-card{margin:16px 0;min-height:190px;border:1px solid color-mix(in srgb,var(--blue) 35%,var(--line));border-radius:20px;background:linear-gradient(115deg,#0f3448,#174f69 62%,#1ba9df);color:#fff;padding:28px 30px;display:grid;grid-template-columns:1fr 170px;gap:22px;align-items:center;position:relative;overflow:hidden}.official-test-card:before{content:"";position:absolute;width:290px;height:290px;border:1px solid rgba(255,255,255,.13);border-radius:50%;right:-110px;top:-105px;box-shadow:0 0 0 40px #ffffff0a,0 0 0 80px #ffffff06}.official-test-copy,.official-test-art,.official-test-card>button{position:relative;z-index:1}.official-test-copy h2{font-size:26px;margin:11px 0 6px}.official-test-copy p{font-size:12px;color:#ffffffbd}.official-badge{display:inline-flex;gap:6px;align-items:center;font-size:9px;font-weight:900;letter-spacing:.08em;color:#bdf3d1;background:#16a34a33;border:1px solid rgba(187,247,208,.25);padding:6px 9px;border-radius:99px}.official-badge svg{width:12px}.official-module-pills{display:flex;gap:8px;margin-top:16px}.official-module-pills span{font-size:10px;font-weight:700;background:#ffffff1c;padding:7px 10px;border-radius:99px}.official-test-art{grid-row:1/3;grid-column:2;justify-self:end;width:130px;height:150px;border-radius:13px;background:#f7fbfc;color:#143d52;box-shadow:0 16px 35px #01172242;display:flex;flex-direction:column;align-items:center;justify-content:center;transform:rotate(4deg)}.official-test-art svg{width:27px;height:27px;color:#19aee4}.official-test-art b{font-size:48px;line-height:1;margin:10px 0 8px}.official-test-art span{font-size:7px;font-weight:900;letter-spacing:.12em}.official-test-card>button{justify-self:start;background:#fff;color:#102f40}.compact-heading{margin-top:24px}.chart-panel{margin-top:17px}.panel-note{color:var(--muted);font-size:10px;line-height:1.5}.bar-chart{height:225px;display:flex;gap:14px;align-items:flex-end;border-bottom:1px solid var(--line);padding:20px 10px 0;overflow-x:auto}.bar-column{min-width:48px;flex:1;display:flex;flex-direction:column;align-items:center;gap:8px}.bar-stack{height:172px;width:min(58px,80%);display:flex;flex-direction:column-reverse;justify-content:flex-start}.bar-stack i{display:block;width:100%}.bar-stack .correct{background:linear-gradient(#9ee2af,#17b85d);border-radius:5px 5px 0 0}.bar-stack .wrong{background:linear-gradient(#ff9c9f,#ef3d42);border-radius:0 0 5px 5px}.bar-column small{font-size:8px;color:var(--muted)}.two-col{margin-top:16px}.accuracy-list>div{display:grid;grid-template-columns:1fr 180px;gap:20px;align-items:center;padding:11px 0;border-top:1px solid var(--line)}.accuracy-list>div>span{display:flex;flex-direction:column}.accuracy-list b{font-size:11px}.accuracy-list small{font-size:9px;color:var(--muted)}.range{display:flex;align-items:center;gap:10px}.range:before{content:"";position:absolute}.range>i{height:7px;max-width:125px;flex-basis:125px;border-radius:99px;background:linear-gradient(90deg,var(--red) 0 58%,var(--amber) 59% 84%,var(--green) 85%)}.donut-layout{display:grid;grid-template-columns:170px 1fr;align-items:center}.donut{width:160px;height:160px}.donut>circle,.donut g circle{fill:none;stroke:var(--soft);stroke-width:13}.donut g circle{stroke-width:12}.donut .seg-0{stroke:var(--green)}.donut .seg-1{stroke:var(--amber)}.donut .seg-2{stroke:var(--red)}.donut text{text-anchor:middle;fill:var(--ink);font-size:14px;font-weight:800}.donut text.small{font-size:8px;fill:var(--muted);font-weight:500}.legend-list>div{display:flex;align-items:center;gap:8px;padding:9px 0;border-bottom:1px dotted var(--line);font-size:11px}.legend-list span{flex:1}.dot{width:8px;height:8px;border-radius:50%;background:var(--green)}.dot-1{background:var(--amber)}.dot-2{background:var(--red)}.hour-chart{height:170px;display:flex;align-items:flex-end;padding:25px 8px 0}.hour-chart>div{flex:1;height:145px;display:flex;flex-direction:column;justify-content:flex-end;align-items:center}.hour-chart i{width:70%;background:#a9daf4;border-radius:6px 6px 0 0;display:block;min-height:3px}.hour-chart i.peak{background:var(--blue)}.hour-chart small{font-size:7px;color:var(--muted);height:20px;margin-top:5px;white-space:nowrap}.heatmap{padding:15px 3px 3px}.heat-grid{display:grid;grid-template-rows:repeat(7,13px);grid-auto-flow:column;grid-auto-columns:13px;gap:4px;overflow:auto}.heat-grid i,.heat-legend i{border-radius:3px;background:#edf1f3}.heat-grid i[data-level="1"],.heat-legend i[data-level="1"]{background:#c4edf9}.heat-grid i[data-level="2"],.heat-legend i[data-level="2"]{background:#6cd0ef}.heat-grid i[data-level="3"],.heat-legend i[data-level="3"]{background:#20abe1}.heat-grid i[data-level="4"],.heat-legend i[data-level="4"]{background:#0879b2}.heat-legend{display:flex;align-items:center;justify-content:flex-end;gap:4px;font-size:8px;color:var(--muted);margin-top:10px}.heat-legend i{width:13px;height:13px}.tabs{display:flex;gap:25px;border-bottom:1px solid var(--line);margin-bottom:20px}.tabs button{height:43px;color:var(--muted);position:relative;font-size:13px}.tabs button.active{color:var(--ink);font-weight:700}.tabs button.active:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--ink)}.tabs b{font-size:9px;background:var(--soft);padding:4px 7px;border-radius:99px;margin-left:7px}.library-actions{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.ai-insight{margin-bottom:16px}.ai-insight .outline{margin-left:auto;white-space:nowrap}.saved-list,.mistake-list{border:1px solid var(--line);border-radius:17px;background:var(--paper);overflow:hidden}.saved-list article{display:flex;align-items:center;border-bottom:1px solid var(--line);padding:18px}.saved-list article:last-child{border:0}.question-open{flex:1;text-align:left}.question-open>strong,.mistake-list>button strong{display:block;font-family:Iowan Old Style,Georgia,serif;font-size:15px;font-weight:500;line-height:1.5;margin-top:10px}.question-open>p{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:10px;margin-top:10px}.tags{display:flex;gap:7px}.tags i{font-style:normal;padding:5px 8px;border-radius:99px;background:var(--soft);font:700 9px NewPrepSans}.tags .easy{background:var(--green-soft);color:var(--green)}.tags .medium{background:var(--amber-soft);color:var(--amber)}.tags .hard{background:var(--red-soft);color:var(--red)}.tags .saved-tag{background:var(--amber-soft);color:var(--amber);display:flex;align-items:center;gap:4px}.tags svg{width:10px;height:10px}.mistake-list>button{width:100%;display:grid;grid-template-columns:25px 1fr 20px;gap:10px;align-items:center;text-align:left;padding:17px;border-bottom:1px solid var(--line)}.mistake-list>button:last-child{border:0}.mistake-list>button>svg:first-child{color:var(--red)}.tags .wrong-tag{background:var(--red-soft);color:var(--red)}.collection-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.collection-grid article{border:1px solid var(--line);border-radius:17px;background:var(--paper);padding:24px;min-height:150px}.collection-grid svg{color:#9aa5aa;width:29px;height:29px}.collection-grid h3{margin-top:22px;font-size:16px}.collection-grid p{color:var(--muted);font-size:11px;margin-top:5px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.settings-grid>.panel>h2{font-size:17px;margin-bottom:16px}.profile-card{display:flex;align-items:center;gap:13px;padding:13px;background:var(--soft);border-radius:14px}.profile-card div{display:flex;flex-direction:column}.profile-card small{color:var(--muted);font-size:9px;margin-top:4px}.settings-grid dl{margin:12px 0 0}.settings-grid dl>div{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:12px 3px;font-size:11px}.settings-grid dt{color:var(--muted)}.setting-row{width:100%;min-height:63px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.setting-row>span:first-child{display:flex;align-items:center;gap:12px}.setting-row>span>span{display:flex;flex-direction:column;text-align:left}.setting-row b{font-size:11px}.setting-row small{font-size:9px;color:var(--muted);margin-top:3px}.toggle{width:38px;height:22px;background:#cbd3d6;border-radius:99px;padding:2px;transition:.2s}.toggle i{display:block;width:18px;height:18px;border-radius:50%;background:#fff;transition:.2s}.toggle.on{background:var(--blue)}.toggle.on i{transform:translate(16px)}.connection-card{display:flex;align-items:center;gap:12px;background:var(--soft);border-radius:13px;padding:14px}.connection-card>svg{color:var(--blue)}.connection-card>span{display:flex;flex:1;flex-direction:column}.connection-card b{font-size:12px}.connection-card small{font-size:9px;color:var(--muted);margin-top:3px}.connection-card>i{width:9px;height:9px;border-radius:50%;background:var(--amber)}.practice-workspace{height:100vh;display:grid;grid-template-columns:minmax(0,1fr) 370px;grid-template-rows:62px minmax(0,1fr) 58px;background:var(--paper);overflow:hidden}.practice-workspace.calculator-open{grid-template-columns:420px minmax(0,1fr) 370px}.practice-top{grid-column:1/-1;border-top:5px solid #173b4b;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 14px;position:relative}.practice-top button{font-size:10px;color:var(--muted);display:flex;align-items:center;gap:5px}.practice-top .go-back{color:var(--ink)}.directions{margin-left:20px}.timer{position:absolute;left:50%;transform:translate(-50%);text-align:center;top:5px}.timer>b{display:block;font-size:15px}.timer>span{display:flex;gap:5px;justify-content:center;margin-top:3px}.timer>span button{border:1px solid var(--line);border-radius:99px;padding:3px 7px}.timer svg{width:11px;height:11px}.practice-tools{margin-left:auto;display:flex;height:100%;gap:4px}.practice-tools>button,.practice-tools>div>button{height:100%;min-width:62px;flex-direction:column;justify-content:center;gap:3px!important;border-radius:10px}.practice-tools button.active,.practice-tools button:hover{background:var(--cyan);color:var(--blue-dark)}.practice-tools>div{position:relative;height:100%}.calculator-panel{grid-column:1;grid-row:2/3;border-right:1px solid var(--line);display:flex;flex-direction:column}.calculator-panel>header{height:48px;display:flex;align-items:center;padding:0 13px;border-bottom:1px solid var(--line);font-size:11px}.calculator-panel>header span{background:var(--soft);padding:7px 12px;border-radius:9px;margin-left:auto}.calculator-panel>header button{margin-left:8px}.calculator-panel iframe{border:0;flex:1;width:100%}.question-stage{grid-column:1;grid-row:2;overflow:auto;padding:25px 16px}.calculator-open .question-stage{grid-column:2}.question-card{max-width:720px;margin:0 auto}.question-card>header{height:45px;border-radius:9px;background:var(--soft);display:flex;align-items:center;padding:0 9px;gap:10px}.question-card>header>b{width:31px;height:31px;border-radius:7px;background:var(--ink);color:var(--paper);display:grid;place-items:center}.question-card>header button{display:flex;gap:5px;align-items:center;font-size:10px;color:var(--muted)}.question-card>header button.marked{color:var(--amber)}.question-card>header span{flex:1}.question-copy{font:17px/1.55 Iowan Old Style,Georgia,serif;padding:24px 4px 14px}.question-copy p{margin-bottom:12px}.question-copy mark{background:#ffe68e;border-radius:2px}.math{font-family:Times New Roman,serif;font-style:italic}.answer-options{display:flex;flex-direction:column;gap:9px}.answer-options>div{display:grid;grid-template-columns:1fr 38px;gap:8px;align-items:center}.answer-main{width:100%;min-height:55px;border:1.5px solid #849097;border-radius:12px;display:flex;align-items:center;gap:12px;padding:8px 12px;text-align:left;transition:.15s}.answer-main>b{width:25px;height:25px;border:1px solid #879197;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;font-size:11px}.answer-main span{font:15px/1.35 Iowan Old Style,Georgia,serif}.answer-options>div.selected .answer-main{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}.answer-options>div.correct .answer-main{background:var(--green-soft);border-color:var(--green);box-shadow:none}.answer-options>div.correct .answer-main>b{background:var(--green);color:#fff;border-color:var(--green)}.answer-options>div.wrong .answer-main{background:var(--red-soft);border-color:var(--red)}.answer-options>div.wrong .answer-main>b{background:var(--red);color:#fff;border-color:var(--red)}.eliminate{width:32px;height:32px;display:grid;place-items:center;position:relative}.eliminate span{width:24px;height:24px;border:1px solid #69777e;border-radius:50%;display:grid;place-items:center;font-size:10px}.eliminate:after{content:"";position:absolute;width:31px;height:1px;background:#637177}.answer-options>div.eliminated .answer-main{opacity:.35}.answer-options>div.eliminated .answer-main:after{content:"";position:absolute}.spr-answer{margin-top:15px}.spr-answer label{display:flex;flex-direction:column;gap:8px;font-size:11px;font-weight:700}.spr-answer input{font-size:18px}.answer-feedback{margin-top:14px;border-radius:13px;padding:13px;display:flex;align-items:center;gap:10px}.answer-feedback>svg{width:25px;height:25px;padding:4px;border-radius:50%;color:#fff}.answer-feedback.correct{background:var(--green-soft)}.answer-feedback.correct>svg{background:var(--green)}.answer-feedback.wrong{background:var(--red-soft)}.answer-feedback.wrong>svg{background:var(--red)}.answer-feedback span{display:flex;flex-direction:column}.answer-feedback b{font-size:12px}.answer-feedback small{font-size:10px;color:var(--muted);margin-top:3px}.right-panel{grid-column:2;grid-row:2/4;border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.calculator-open .right-panel{grid-column:3}.right-panel>header{height:36px;display:flex;align-items:center;padding:0 10px;border-bottom:1px solid var(--line)}.right-panel>header button{font-size:10px;color:var(--muted);display:flex;align-items:center;gap:4px}.right-panel>header span{flex:1}.right-panel>nav{height:44px;display:flex;border-bottom:1px solid var(--line);padding:0 11px;gap:14px}.right-panel>nav button{font-size:10px;display:flex;align-items:center;gap:5px;position:relative;color:var(--muted)}.right-panel>nav button.active{color:var(--ink);font-weight:700}.right-panel>nav button.active:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--ink)}.right-panel>nav svg{width:14px}.right-panel>.ai-chat{flex:1}.practice-bottom{grid-column:1;grid-row:3;border-top:1px solid var(--line);display:flex;align-items:center;padding:0 16px;gap:8px;z-index:4;background:var(--paper)}.calculator-open .practice-bottom{grid-column:1/3}.practice-bottom>span{flex:1}.practice-bottom button{min-height:36px}.question-count{position:relative;background:var(--ink);color:var(--paper);border-radius:10px;padding:0 14px;display:flex;align-items:center;gap:6px;font-size:11px}.pill-purple,.pill-soft{padding:0 12px;border-radius:10px;display:flex;align-items:center;gap:6px;font-size:10px;font-weight:700}.pill-purple{background:var(--violet);color:#fff}.pill-soft{background:var(--violet-soft);color:var(--violet)}.more-menu{position:absolute;right:0;top:61px;width:255px;border:1px solid var(--line);border-radius:15px;background:var(--paper);padding:8px;box-shadow:var(--shadow);z-index:50}.more-menu>span{display:block;padding:8px 10px 5px;color:var(--muted);font-size:9px}.more-menu button{width:100%;height:38px!important;display:flex!important;flex-direction:row!important;justify-content:flex-start!important;padding:0 10px!important;border-radius:8px!important;color:var(--ink)!important;font-size:11px!important}.more-menu button:hover{background:var(--soft)!important}.navigator{position:absolute;left:0;bottom:46px;width:490px;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow);z-index:50}.navigator>header{display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--line);padding-bottom:14px}.navigator h2{font-size:16px}.navigator>header .outline{margin-left:auto}.nav-legend{display:flex;gap:14px;padding:14px 0;font-size:10px}.nav-legend span{display:flex;align-items:center;gap:4px}.nav-legend i{width:17px;height:17px;border-radius:50%;display:grid;place-items:center;color:#fff}.nav-legend i svg{width:11px}.nav-legend i.correct{background:var(--green)}.nav-legend i.wrong{background:var(--red)}.nav-legend>span>svg{color:var(--amber);fill:var(--amber)}.nav-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.nav-grid button{height:48px;border-radius:10px;background:var(--soft);font-weight:800;position:relative}.nav-grid button.current{outline:2px solid var(--ink);outline-offset:2px}.nav-grid button.correct{background:var(--green-soft);color:var(--green)}.nav-grid button.wrong{background:var(--red-soft);color:var(--red)}.nav-grid button>i{position:absolute;right:-5px;top:-6px;width:18px;height:18px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:#fff}.nav-grid button.wrong>i{background:var(--red)}.nav-grid button>i svg,.nav-grid button>svg{width:11px}.nav-grid button>svg{position:absolute;left:-4px;top:-5px;color:var(--amber);fill:var(--amber)}.panel-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px}.panel-empty>svg{width:35px;height:35px;color:#a9b5ba}.panel-empty h3{margin-top:12px}.panel-empty p{max-width:240px;color:var(--muted);font-size:11px;line-height:1.5;margin-top:6px}.explanation-scroll,.info-panel{flex:1;overflow:auto;padding:20px}.explanation-scroll>header{display:flex;justify-content:space-between;align-items:center}.explanation-scroll h2,.info-panel h2{font-size:18px}.explanation-scroll>header button{display:flex;gap:4px;font-size:9px;color:var(--muted)}.option-tabs{display:flex;background:var(--soft);border-radius:12px;padding:4px;margin:16px 0}.option-tabs button{flex:1;height:32px;border-radius:9px;font-size:10px}.option-tabs button.active{background:var(--paper);box-shadow:0 2px 8px #0001}.correct-answer{border:1px solid var(--line);border-radius:14px;padding:13px;margin-bottom:22px}.correct-answer>span{font-size:9px;color:var(--muted)}.correct-answer>div{background:var(--green-soft);border-radius:10px;padding:11px;margin-top:8px;display:flex;align-items:center;gap:10px;font-family:Iowan Old Style,Georgia,serif}.correct-answer b{width:29px;height:29px;background:var(--green);color:#fff;border-radius:50%;display:grid;place-items:center;font:800 12px NewPrepSans}.steps>div{display:grid;grid-template-columns:22px 1fr;gap:10px;position:relative;padding-bottom:22px}.steps>div:not(:last-child):after{content:"";position:absolute;width:1px;background:var(--line);left:10px;top:24px;bottom:0}.steps>div>i{width:21px;height:21px;border-radius:50%;background:#77858b;color:#fff;display:grid;place-items:center;font:800 9px NewPrepSans;font-style:normal}.steps h3{font-size:12px;margin:3px 0 9px}.steps p,.steps section>div{font:13px/1.65 Iowan Old Style,Georgia,serif;color:var(--ink)}.ai-walkthrough{width:100%;height:40px;border-radius:10px;background:var(--violet-soft);color:var(--violet);font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;gap:7px}.info-panel dl{display:grid;grid-template-columns:1fr 1fr;gap:22px 15px;margin:30px 0}.info-panel dl div{display:flex;flex-direction:column;gap:5px}.info-panel dt{font-size:10px;color:var(--muted)}.info-panel dd{margin:0;font-size:13px;font-weight:700}.info-panel h3{font-size:15px;margin:27px 0 20px}.big-stat{margin-bottom:17px}.big-stat span{display:block;color:var(--muted);font-size:10px}.big-stat b{display:block;font-size:34px;letter-spacing:-.05em}.time-scale{height:45px;border-top:3px solid var(--line);position:relative;margin-top:30px}.time-scale>i{position:absolute;width:4px;height:22px;top:-12px;background:var(--blue);border-radius:3px}.time-scale>span{position:absolute;left:25%;right:25%;height:12px;top:-7px;background:var(--cyan);border-radius:4px}.time-scale small{position:absolute;top:17px;font-size:9px;color:var(--muted)}.source-note{display:flex;align-items:center;gap:10px;margin-top:25px;padding:12px;background:var(--soft);border-radius:12px}.source-note span{display:flex;flex-direction:column}.source-note b{font-size:10px}.source-note small{font-size:9px;color:var(--muted)}.workspace-empty{height:100vh;display:grid;place-items:center;background:var(--soft)}.module-shell{height:100vh;display:grid;grid-template-rows:62px 1fr 59px;background:var(--paper)}.module-top{border-top:5px solid #183c4b;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;padding:0 18px}.module-top>button{justify-self:start;display:flex;align-items:center}.module-top>span{text-align:center;font-weight:700;font-size:12px}.module-top>div{justify-self:end;display:flex;align-items:center;gap:12px}.module-shell>main{overflow:auto;padding:30px}.module-question{max-width:720px;margin:auto}.module-question>header{display:flex;align-items:center;background:var(--soft);height:43px;padding:7px;border-radius:9px}.module-question>header>b{background:var(--ink);color:var(--paper);width:29px;height:29px;border-radius:7px;display:grid;place-items:center}.module-question>header button{margin-left:10px;display:flex;gap:5px;font-size:10px}.module-question>article{font:17px/1.55 Iowan Old Style,Georgia,serif;padding:24px 4px}.module-shell>footer{display:flex;align-items:center;gap:8px;padding:0 20px;border-top:1px solid var(--line)}.module-shell>footer>span{flex:1}.test-summary{min-height:100vh;background:linear-gradient(145deg,#0d344a,#176584);padding:30px;color:#fff}.test-summary>.brand{margin-bottom:50px}.test-summary>section{width:min(630px,100%);margin:auto;background:var(--paper);color:var(--ink);border-radius:26px;padding:40px;text-align:center;box-shadow:var(--shadow)}.score-ring{width:150px;height:150px;margin:auto;border-radius:50%;border:14px solid var(--cyan);display:flex;flex-direction:column;align-items:center;justify-content:center}.score-ring b{font-size:35px}.score-ring small{color:var(--muted)}.test-summary h1{font-size:28px;margin:22px 0 7px}.test-summary>section>p{font-size:12px;color:var(--muted);margin-bottom:25px}.test-summary article{display:grid;grid-template-columns:1fr 60px;text-align:left;padding:12px;border-top:1px solid var(--line);position:relative;font-size:11px}.test-summary article b{text-align:right}.test-summary article i{position:absolute;bottom:0;left:12px;height:3px;background:var(--blue)}.test-summary .primary{margin-top:25px}.full-loader{height:100vh;background:var(--nav);display:grid;place-items:center;align-content:center;gap:30px}.full-loader>div{display:flex;gap:6px}.full-loader>div i{width:8px;height:8px;background:#65e4eb;border-radius:50%;animation:bounce 1s infinite}.full-loader>div i:nth-child(2){animation-delay:.15s}.full-loader>div i:nth-child(3){animation-delay:.3s}.pill-remix{padding:0 12px;border-radius:10px;display:flex;align-items:center;gap:6px;background:#ffe9f4;color:#d23b82;font-size:10px;font-weight:800}.pill-remix:disabled{opacity:.45}.modal-body{padding:20px}.modal-body>p{margin:0 0 16px;color:var(--muted);font-size:11px;line-height:1.55}.note-editor{width:100%;min-height:160px;resize:vertical;line-height:1.55}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:17px}.segmented{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:4px;background:var(--soft);border-radius:12px}.segmented button{height:38px;border-radius:9px;text-transform:capitalize;font-size:11px;font-weight:700}.segmented button.active{background:var(--paper);box-shadow:0 2px 8px #0001;color:var(--blue)}.test-break{min-height:100vh;background:linear-gradient(145deg,#0d344a,#176584);padding:30px;color:#fff}.test-break>.brand{margin-bottom:70px}.test-break>section{width:min(560px,calc(100% - 30px));margin:auto;background:var(--paper);color:var(--ink);border-radius:28px;padding:50px;text-align:center;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center}.break-icon{width:70px;height:70px;border-radius:24px;background:var(--cyan);color:var(--blue);display:grid;place-items:center;margin-bottom:22px}.break-icon svg{width:31px;height:31px}.test-break h1{font-size:28px;margin:10px 0}.test-break p{color:var(--muted);font-size:12px}.test-break>section>b{font-size:44px;letter-spacing:-.04em;margin:28px 0 18px}.test-break .primary{min-width:190px}.test-break .text-button{margin-top:12px}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.attachment-chip{max-width:135px;height:30px;display:flex;align-items:center;gap:5px;padding:0 7px;border-radius:8px;background:var(--cyan);color:var(--blue-dark);font-size:9px;font-weight:700;white-space:nowrap;overflow:hidden}.attachment-chip>svg{width:12px;flex:0 0 auto}.attachment-chip>button{margin-left:auto;display:grid;place-items:center}.attachment-chip>button svg{width:11px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pop{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}@keyframes pulse{50%{opacity:.2}}@keyframes bounce{50%{transform:translateY(-8px)}}@media(max-width:1050px){.app-shell{grid-template-columns:74px 1fr}.sidebar span:not(.avatar),.sidebar label,.sidebar i,.sidebar em,.sidebar .gear{display:none}.sidebar .brand>span:not(.brand-mark){display:none}.sidebar-logo{padding-left:9px}.sidebar .sat-pill{background:transparent;border:0}.page-frame{width:calc(100% - 40px)}.hero-grid{grid-template-columns:1fr}.goal-stack{grid-template-columns:1fr 1fr;grid-template-rows:auto}.practice-workspace{grid-template-columns:minmax(0,1fr) 330px}.practice-workspace.calculator-open{grid-template-columns:330px minmax(0,1fr) 330px}.metric-grid{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}}@media(max-width:760px){.app-shell{display:block}.sidebar{display:none}.mobile-head{height:55px;background:var(--nav);display:flex;align-items:center;justify-content:space-between;padding:0 14px}.mobile-head button{color:#fff}.main-content{padding-top:0}.page-frame,.page-frame.wide{width:calc(100% - 24px);padding-top:25px}.auth-shell{display:block}.auth-story{display:none}.auth-panel{min-height:100vh;padding:24px}.mini-logo{display:block;background:var(--nav);padding:12px;border-radius:13px}.auth-card h2{margin-top:20px}.welcome-row{align-items:flex-start}.streak-chip{display:none}.welcome-row h1{font-size:28px}.today-card{grid-template-columns:1fr}.today-art{min-height:150px}.metric-grid,.dashboard-lower,.two-col,.settings-grid,.test-grid,.subject-cards{grid-template-columns:1fr}.metric{border-right:0;border-bottom:1px solid var(--line)}.today-card{min-height:0}.skill-table-head{display:none}.skill-row{grid-template-columns:30px 1fr 80px}.skill-progress{display:none}.accuracy-popover{right:0}.floating-start{left:50%}.tutor-page{grid-template-columns:1fr}.chat-history{display:none}.collection-grid{grid-template-columns:1fr 1fr}.practice-workspace{grid-template-columns:1fr;grid-template-rows:55px 1fr 58px}.practice-top .directions,.practice-tools button:not(:nth-child(2)),.practice-tools>div{display:none}.right-panel{display:none}.question-stage,.calculator-open .question-stage,.practice-bottom,.calculator-open .practice-bottom{grid-column:1}.calculator-panel{position:fixed;inset:55px 0 58px;z-index:20;background:var(--paper)}.pill-purple,.pill-soft{display:none}.nav-grid{grid-template-columns:repeat(5,1fr)}.navigator{width:min(460px,calc(100vw - 30px))}}@media(max-width:760px){.official-test-card{grid-template-columns:1fr;padding:24px}.official-test-art{display:none}.official-module-pills{flex-wrap:wrap}.official-test-copy h2{font-size:22px}.diagnostic-banner{align-items:flex-start;gap:18px;flex-direction:column}}.chat-history>button.active{background:var(--soft);color:var(--ink)}.history-empty{padding:12px 8px;color:var(--muted);font-size:10px;line-height:1.5}.mobile-chat-toggle,.mobile-history-backdrop,.mobile-help,.mobile-panel-backdrop{display:none}.connection-card.connected>i{background:var(--green)}.connection-card.disconnected>i{background:var(--red)}.remix-progress{display:flex;align-items:center;gap:10px;margin-top:16px;padding:12px;border-radius:12px;background:var(--soft)}.remix-progress svg{width:18px;color:var(--blue)}.remix-progress span{display:flex;flex-direction:column;gap:3px}.remix-progress b{font-size:11px}.remix-progress small{font-size:9px;color:var(--muted)}.chat-compose .send.stop{background:var(--red);color:#fff}@media(max-width:760px){.mobile-chat-toggle{display:flex}.mobile-history-backdrop,.mobile-panel-backdrop{display:block;position:fixed;inset:0;border:0;background:#071b2b80;z-index:70}.chat-history{display:none}.chat-history.mobile-open{display:flex;position:fixed;z-index:80;inset:0 auto 0 0;width:min(310px,88vw);background:var(--paper);box-shadow:var(--shadow)}.right-panel.mobile-open{display:flex;position:fixed;z-index:80;left:0;right:0;bottom:0;height:min(78vh,680px);border:1px solid var(--line);border-radius:22px 22px 0 0;background:var(--paper);box-shadow:0 -18px 50px #0003}.right-panel.mobile-open>header{min-height:42px}.mobile-help{display:flex;align-items:center;gap:5px;padding:0 10px;border-radius:10px;background:var(--violet-soft);color:var(--violet);font-size:10px;font-weight:700}.practice-bottom{padding:0 8px;gap:5px}.practice-bottom>.outline{display:none}.practice-bottom .pill-remix{padding:0 8px}}.question-copy .source-question,.module-question .source-question,.source-choice,.source-rationale{margin:0}.question-copy .source-question img,.module-question .source-question img,.source-choice img{display:block;width:100%;height:auto}.source-rationale{overflow-x:auto}.source-rationale img{display:block;width:720px;max-width:none;height:auto;margin-bottom:10px}.source-question img+img,.source-rationale img+img{margin-top:10px}.social-heading{max-width:750px;margin-bottom:28px}.social-heading h1{margin:10px 0 12px;font-size:clamp(30px,3.2vw,44px);line-height:1.08;letter-spacing:-.045em}.social-heading>p{max-width:640px;color:var(--muted);font-size:14px;line-height:1.7}.social-page .panel{padding:24px}.social-page .panel h3{margin:20px 0 10px;font-size:14px}.social-section-title{display:flex;align-items:center;gap:10px;margin-bottom:15px;position:relative}.social-section-title>svg{color:var(--blue-dark)}.social-section-title h2{font-size:17px;letter-spacing:-.025em}.social-columns{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,1fr);gap:20px;align-items:start}.social-stack{display:flex;flex-direction:column;gap:20px;min-width:0}.circle-intro{display:flex;align-items:center;gap:18px;padding:23px 28px;border-radius:19px;background:var(--nav);color:#fff;margin:0 0 24px;overflow:hidden}.circle-intro-icon{width:48px;height:48px;border:1px solid #fff3;border-radius:15px;display:grid;place-items:center;color:#83e7e8;flex-shrink:0}.circle-intro-icon svg{width:25px;height:25px}.circle-intro b{font-size:17px}.circle-intro p{margin-top:6px;font-size:12px;color:#c2dce6;line-height:1.6}.circle-count{margin-left:auto;text-align:right;font-size:32px;font-weight:800}.circle-count small{display:block;font-size:10px;font-weight:500;color:#b3d5e1}.social-search{display:flex;align-items:end;gap:10px;margin-top:16px}.social-search>input{flex:1;min-width:0}.social-search>label{flex:1;display:flex;flex-direction:column;gap:8px;font-size:12px;color:var(--muted)}.social-search .primary,.social-search .outline{flex-shrink:0;min-height:44px}.circle-avatar{flex-shrink:0;width:39px;height:39px;border-radius:13px;display:grid;place-items:center;background:color-mix(in srgb,var(--blue) 12%,var(--paper));color:var(--blue-dark);font-weight:800;font-size:15px;border:1px solid color-mix(in srgb,var(--blue) 15%,var(--line))}.person-row{display:flex;align-items:center;gap:12px;min-height:76px;padding:15px 0;border-bottom:1px solid var(--line)}.person-row:last-child{border-bottom:0}.person-label{display:flex;flex:1;flex-direction:column;gap:5px;min-width:0;text-align:left;padding:0}.person-label b{font-size:13px;overflow-wrap:anywhere}.person-label small{color:var(--muted);font-size:11px;overflow-wrap:anywhere}.profile-link:hover b{color:var(--blue-dark)}.icon-button{display:grid;place-items:center;width:30px;height:30px;color:var(--muted);border-radius:8px}.icon-button:hover{background:var(--red-soft);color:var(--red)}.social-empty{padding:35px 16px;text-align:center;color:var(--muted)}.social-empty svg{width:28px;height:28px;color:var(--blue);opacity:.6;margin-bottom:12px}.social-empty p{font-size:13px;line-height:1.7;max-width:360px;margin:auto}.social-error{padding:13px 16px;margin:12px 0;color:var(--red);background:var(--red-soft);font-size:13px;border-radius:11px;line-height:1.6}.ranking-panel{position:sticky;top:24px}.ranking-list{list-style:none;padding:0;margin:20px 0}.ranking-list li{display:flex;align-items:center;gap:11px;padding:18px 0;border-bottom:1px solid var(--line)}.rank-number{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.rank-0{color:#c48b18;font-weight:800}.ranking-list li>strong{text-align:right;font-size:23px;letter-spacing:-.04em}.ranking-list li>strong small{display:block;font-size:9px;letter-spacing:0;font-weight:500;color:var(--muted)}.ranking-footnote{padding:12px 0 0;font-size:10px;line-height:1.6;color:var(--muted)}.circle-feed article{display:flex;gap:12px;padding:20px 0;border-bottom:1px solid var(--line)}.circle-feed article:last-child{border:0}.circle-feed article>div{flex:1}.circle-feed b{font-size:13px}.circle-feed p{margin:6px 0;color:var(--muted);font-size:12px;line-height:1.6}.circle-feed p strong{color:var(--ink);font-weight:600}.circle-feed small{font-size:10px;color:var(--muted)}.circle-feed article>svg{color:var(--green);width:15px}.friend-detail{position:relative}.detail-close{margin-left:auto;display:grid;place-items:center;width:27px;height:27px;color:var(--muted)}.friend-detail>.detail-close{position:absolute;right:18px;top:18px}.friend-detail-heading{display:flex;align-items:center;gap:14px}.friend-detail-heading p{margin-top:5px;color:var(--muted);font-size:12px}.circle-stats{margin:24px 0;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:13px}.circle-stats>div{padding:15px 8px;text-align:center;border-right:1px solid var(--line)}.circle-stats>div:last-child{border:0}.circle-stats strong{font-size:22px;display:block;letter-spacing:-.04em}.circle-stats strong svg{width:15px;color:var(--amber)}.circle-stats span{display:block;font-size:9px;color:var(--muted);margin-top:7px}.social-session{display:flex;justify-content:space-between;gap:14px;font-size:12px;padding:14px 0;border-bottom:1px solid var(--line)}.group-picker{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:20px 0 26px}.group-card{position:relative;border:1px solid var(--line);background:var(--paper);border-radius:16px;padding:22px;text-align:left}.group-card.selected,.shared-set-card.selected{border-color:var(--blue);box-shadow:0 0 0 2px color-mix(in srgb,var(--blue) 10%,transparent)}.group-card>span{display:grid;place-items:center;width:40px;height:40px;color:var(--blue-dark);background:var(--soft);border-radius:12px;margin-bottom:17px}.group-card h2{font-size:16px;margin-bottom:7px}.group-card p{font-size:11px;color:var(--muted)}.group-card>svg{position:absolute;right:18px;bottom:20px;color:var(--muted)}.social-toolbar{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.social-form{display:flex;flex-direction:column;gap:16px;margin-top:20px}.social-form label{display:flex;flex-direction:column;gap:8px;font-size:12px;color:var(--muted)}.social-form button{align-self:flex-start}.set-builder{margin-bottom:24px}.set-question-heading{display:flex;justify-content:space-between;margin:25px 0 12px;gap:10px;font-size:13px}.set-question-list{max-height:420px;overflow:auto;border:1px solid var(--line);border-radius:12px}.set-question-list>label{display:flex;align-items:start;gap:12px;padding:16px;border-bottom:1px solid var(--line);cursor:pointer}.set-question-list>label>input{margin-top:3px;accent-color:var(--blue-dark)}.set-question-list>label>span{min-width:0;flex:1}.set-question-list b{font-size:12px;display:block}.set-question-list small{display:block;margin-top:4px;font-size:10px;color:var(--muted)}.set-question-preview{display:block;max-height:130px;overflow:hidden;margin-top:12px;font-family:Georgia,serif;font-size:13px;line-height:1.6}.set-question-preview img{max-width:100%;height:auto}.recipient-picker{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 25px}.recipient-picker label{display:flex;align-items:center;gap:8px;font-size:12px;border:1px solid var(--line);border-radius:9px;padding:8px 11px}.recipient-picker input{accent-color:var(--blue-dark)}.shared-set-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin-bottom:24px}.shared-set-card{text-align:left;padding:23px;border:1px solid var(--line);border-radius:17px;background:var(--paper);transition:border-color .18s,transform .18s}.shared-set-card:hover{transform:translateY(-2px);border-color:var(--blue)}.set-card-icon{display:grid;place-items:center;width:39px;height:39px;border-radius:12px;background:var(--soft);color:var(--blue-dark);margin-bottom:18px}.shared-set-card>small{font-size:8px;letter-spacing:.08em;color:var(--blue-dark);font-weight:800}.shared-set-card h2{font-size:18px;letter-spacing:-.03em;line-height:1.3;margin:10px 0}.shared-set-card p{font-size:11px;color:var(--muted)}.shared-set-card footer{display:flex;justify-content:space-between;gap:10px;align-items:center;border-top:1px solid var(--line);margin-top:25px;padding-top:15px;color:var(--muted);font-size:10px}.participant-status{font-size:10px;color:var(--muted);background:var(--soft);padding:7px 9px;border-radius:9px}.participant-status.done{background:var(--green-soft);color:var(--green)}.shared-test-notice{background:var(--soft);border-left:3px solid var(--blue);padding:14px 17px;color:var(--muted);font-size:12px;line-height:1.6;margin:15px 0 25px}.shared-review details{margin-top:15px;border:1px solid var(--line);border-radius:10px;overflow:hidden}.shared-review summary{padding:16px;font-size:12px;cursor:pointer}.shared-review article,.shared-rationale{padding:20px;border-top:1px solid var(--line);overflow:auto;font:15px/1.6 Georgia,serif}.shared-rationale img{max-width:100%;height:auto}.shared-workspace{position:fixed;inset:0;z-index:90;display:grid;grid-template-rows:74px minmax(0,1fr) 74px;background:var(--paper)}.shared-workspace>header{display:flex;align-items:center;gap:20px;padding:0 26px;border-top:5px solid var(--nav);border-bottom:1px solid var(--line)}.shared-workspace>header>button{display:flex;align-items:center;gap:5px;color:var(--muted);font-size:12px}.shared-workspace>header>span{flex:1;display:flex;flex-direction:column;text-align:center;gap:5px}.shared-workspace header b{font-size:13px}.shared-workspace header small{font-size:10px;color:var(--muted)}.shared-workspace header>strong{display:flex;gap:7px;font-size:16px;font-variant-numeric:tabular-nums}.shared-workspace>main{overflow:auto;padding:26px max(24px,calc((100vw - 760px)/2))}.shared-workspace>main>article{font:18px/1.6 Georgia,serif;margin:25px 0}.shared-workspace>main img{max-width:100%;height:auto}.shared-workspace>footer{display:flex;gap:15px;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:0 26px}.shared-workspace footer>span{color:var(--muted);font-size:12px}.time-warning,.danger{color:var(--red)}.invite-link{padding:17px;background:var(--soft);border-radius:12px;margin-top:20px}.invite-link p{color:var(--muted);font-size:11px;line-height:1.6;margin-bottom:12px}.invite-link input{width:100%;font-size:11px;margin-bottom:12px}.invite-list>div{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:15px 0;border-bottom:1px solid var(--line)}.invite-list>div>span{display:flex;flex-direction:column;gap:5px}.invite-list b{font-size:12px}.invite-list small{font-size:10px;color:var(--muted)}.auth-trust{display:flex;gap:9px;align-items:center;margin-top:30px;font-size:11px;color:#a9dfe6}.google-signin{min-height:48px}.google-mark{display:grid;place-items:center;font:800 21px Georgia,serif;color:#3876db;margin-right:7px}.auth-divider{display:flex;align-items:center;gap:13px;font-size:10px;color:var(--muted)}.auth-divider span{height:1px;background:var(--line);flex:1}.auth-notice{display:flex;gap:10px;background:var(--soft);padding:14px;border-radius:11px;font-size:12px;line-height:1.65;color:var(--blue-dark)}.auth-notice>svg{flex-shrink:0;margin-top:3px}.auth-card small{font-size:10px;font-weight:400}@media(max-width:1100px){.social-columns{grid-template-columns:1fr}.ranking-panel{position:static}.group-picker,.shared-set-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.social-page .panel{padding:19px}.circle-intro{padding:19px;gap:12px}.circle-intro-icon,.circle-count{display:none}.group-picker,.shared-set-grid{grid-template-columns:1fr}.circle-stats{grid-template-columns:1fr 1fr}.circle-stats>div:nth-child(2){border-right:0}.circle-stats>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.shared-workspace>header{padding:0 12px;gap:10px}.shared-workspace>header>span{max-width:45%}.shared-workspace>footer{padding:0 12px}.app-shell.mobile-nav-open .sidebar{display:flex;position:fixed;left:0;top:55px;bottom:0;width:230px;height:calc(100dvh - 55px);z-index:60;box-shadow:20px 0 60px #0004}.app-shell.mobile-nav-open .sidebar span,.app-shell.mobile-nav-open .sidebar label{display:initial}.app-shell.mobile-nav-open .sidebar .brand>span{display:initial}.sidebar nav{overflow:auto}}@media(prefers-reduced-motion:reduce){.shared-set-card{transition:none}.shared-set-card:hover{transform:none}}