@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:"0.18.7"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .katex-vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .katex-thinbox{display:inline-flex;flex-direction:row;max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .katex-hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.katex-root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .katex-stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .reflectbox{display:inline-block;transform:scaleX(-1)}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}:root,:root[data-theme=dark],body[data-theme=dark],.theme-dark{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color-scheme:dark;--bg-page: #090e15;--bg-sidebar: #0d1520;--bg-topbar: #0d1520;--bg-card: #131f2d;--bg-card-hover: #18283a;--bg-input: #0a121c;--bg-subtle: #162434;--bg-track: #1b2c3e;--border-subtle: #1f3347;--border-strong: #2b4560;--border-light: #1f3347;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-cyan: #0284c7;--accent-cyan-hover: #0369a1;--accent-cyan-glow: rgba(2, 132, 199, .25);--accent-blue: #3b82f6;--accent-purple: #8b5cf6;--accent-green: #10b981;--accent-amber: #f59e0b;--accent-rose: #f43f5e;--accent-coral: #e76f51;--accent-indigo: #4361ee;--primary-teal: #0f1923;--primary-teal-hover: #17283c;--accent-amber: #e9b44c;--accent-purple: #7209b7;--bg-white: #131f2d}:root[data-theme=light],body[data-theme=light],.theme-light{color-scheme:light;--bg-page: #f8fafc;--bg-sidebar: #ffffff;--bg-topbar: #ffffff;--bg-card: #ffffff;--bg-card-hover: #f1f5f9;--bg-input: #ffffff;--bg-subtle: #f1f5f9;--bg-track: #e2e8f0;--border-subtle: #e2e8f0;--border-strong: #cbd5e1;--border-light: #e2e8f0;--text-primary: #0f172a;--text-secondary: #334155;--text-muted: #64748b;--accent-cyan: #0284c7;--accent-cyan-hover: #0369a1;--accent-cyan-glow: rgba(2, 132, 199, .12);--accent-blue: #2563eb;--accent-purple: #7c3aed;--accent-green: #16a34a;--accent-amber: #d97706;--accent-rose: #e11d48;--accent-coral: #e11d48;--accent-indigo: #4361ee;--primary-teal: #ffffff;--primary-teal-hover: #f8fafc;--bg-white: #ffffff}.bg-teal{background:#0284c7!important}.bg-teal-soft{background:#0284c71f!important}.bg-blue{background:#2563eb!important}.bg-blue-soft{background:#2563eb1f!important}.bg-amber{background:#d97706!important}.bg-amber-soft{background:#d977061f!important}.bg-purple{background:#7c3aed!important}.bg-purple-soft{background:#7c3aed1f!important}.bg-coral{background:#e11d48!important}.bg-coral-soft{background:#e11d481f!important}.bg-orange{background:#ea580c!important}.text-teal{color:#0284c7!important}.text-blue{color:#2563eb!important}.text-amber{color:#d97706!important}.text-purple{color:#7c3aed!important}.text-coral{color:#e11d48!important}.text-orange{color:#ea580c!important}.text-green{color:#16a34a!important}.text-muted{color:var(--text-muted)!important}*,*:before,*:after{box-sizing:border-box}html,body{min-height:100%;width:100%;margin:0;padding:0;overflow-x:hidden;overflow-y:auto;background-color:var(--bg-page);color:var(--text-primary);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}#root{min-height:100%;width:100%;display:flex;flex-direction:column}button,input,select,textarea,optgroup{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:inherit}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;justify-content:space-between;align-items:center;background:var(--bg-topbar);color:var(--text-primary);padding:16px 28px;border-bottom:1px solid var(--border-subtle);box-shadow:0 2px 8px #0000000d}.topbar-brand{display:flex;align-items:center;gap:14px}.brand-logo-badge{display:flex;align-items:center;justify-content:center;width:42px;height:42px;background:var(--accent-cyan-glow);border:1.5px solid var(--accent-cyan);border-radius:10px;color:var(--accent-cyan)}.spin-slow{animation:spin 16s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.eyebrow{color:var(--accent-cyan);font-size:.72rem;font-weight:800;letter-spacing:.08em;margin:0 0 2px;text-transform:uppercase}.topbar h1{font-size:1.35rem;font-weight:700;margin:0;letter-spacing:-.01em;color:var(--text-primary)}.status-pill{background:var(--accent-amber);color:#1a221f;font-size:.82rem;font-weight:700;padding:6px 14px;border-radius:999px;box-shadow:0 2px 6px #0000001a;transition:all .2s ease}.status-pill.status-running{background:var(--accent-cyan);color:#fff;animation:pulse 1.5s infinite ease-in-out}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.85;transform:scale(1.02)}}.workspace{display:grid;gap:20px;grid-template-columns:280px minmax(500px,1.6fr) minmax(320px,1fr);padding:22px 28px;flex:1}.learning-column,.builder-column,.insight-column{display:flex;flex-direction:column;gap:18px}.lesson-panel,.panel,.code-panel,.quantum-circuit-builder{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:10px;padding:18px 20px;color:var(--text-primary);box-shadow:0 2px 8px #0000000a}.section-heading{display:flex;align-items:center;gap:10px}.section-heading h2{font-size:1.15rem;font-weight:700;margin:0;color:var(--text-primary)}.section-heading.compact h2{font-size:1rem}.text-teal{color:var(--accent-cyan)}.badge-pill{font-size:.75rem;font-weight:700;background:var(--accent-cyan-glow);color:var(--accent-cyan);border:1px solid var(--accent-cyan);border-radius:999px;padding:3px 10px;margin-left:auto}.circuit-validation-alert{display:flex;align-items:center;gap:10px;background:#f59e0b1f;border-left:4px solid var(--accent-amber);color:var(--accent-amber);padding:12px 16px;border-radius:6px;font-size:.88rem;font-weight:600}.quantum-circuit-builder{display:flex;flex-direction:column;gap:16px;padding:18px;background:var(--bg-card);border:1px solid var(--border-subtle)}.builder-top-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--border-subtle)}.toolbar-group{display:flex;align-items:center;gap:8px}.toolbar-label{font-size:.82rem;font-weight:700;color:var(--text-muted)}.counter-pill{display:inline-flex;align-items:center;background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:6px;overflow:hidden}.counter-btn{background:var(--bg-subtle);border:0;padding:5px 8px;cursor:pointer;color:var(--text-primary);display:flex;align-items:center;justify-content:center;transition:background .15s}.counter-btn:hover:not(:disabled){background:var(--bg-card-hover)}.counter-btn:disabled{opacity:.4;cursor:not-allowed}.counter-value{font-size:.85rem;font-weight:800;padding:0 10px;color:var(--text-primary)}.preset-buttons{display:flex;flex-wrap:wrap;gap:6px}.preset-chip{background:var(--bg-subtle);border:1px solid var(--border-subtle);border-radius:6px;color:var(--accent-cyan);font-size:.78rem;font-weight:700;padding:5px 10px;cursor:pointer;transition:all .15s}.preset-chip:hover{background:var(--accent-cyan);border-color:var(--accent-cyan);color:#fff}.toolbar-spacer{flex:1}.clear-circuit-btn{display:inline-flex;align-items:center;gap:6px;background:#ef44441f;border:1px solid rgba(239,68,68,.3);color:#f87171;font-size:.8rem;font-weight:700;padding:6px 12px;border-radius:6px;cursor:pointer;transition:all .15s}.clear-circuit-btn:hover{background:#f03e3e;color:#fff;border-color:#f03e3e}.gate-palette-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;background:var(--bg-track);border:1px solid var(--border-subtle);border-radius:8px;padding:12px 14px}.palette-section{display:flex;flex-direction:column;gap:6px}.palette-section-title{font-size:.7rem;font-weight:800;text-transform:uppercase;color:#94a3b8;letter-spacing:.05em}.palette-row{display:flex;flex-wrap:wrap;align-items:center;gap:6px}.gate-palette-btn{display:inline-flex;align-items:center;justify-content:center;height:34px;min-width:36px;padding:0 8px;border-radius:6px;font-size:.85rem;font-weight:800;color:#fff;border:0;cursor:grab;box-shadow:0 2px 4px #0000001f;transition:transform .1s,box-shadow .1s,filter .15s;-webkit-user-select:none;user-select:none}.gate-palette-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 8px #0003;filter:brightness(1.08)}.gate-palette-btn:disabled{opacity:.35;cursor:not-allowed}.gate-palette-btn.is-active{outline:3px solid #0f1923;outline-offset:2px}.gate-single{background:#0284c7}.gate-rotation{background:#e76f51}.gate-two-qubit{background:#4361ee}.gate-measure{background:#3a5a40}.angle-picker-dropdown{display:inline-flex;align-items:center;gap:4px;margin-left:2px}.angle-label{font-size:.85rem;font-weight:800;color:#e76f51}.angle-select{font-size:.78rem;font-weight:700;padding:4px 6px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:4px;color:var(--text-primary)}.empty-circuit-alert{display:flex;align-items:flex-start;gap:12px;background:#f0f9ff;border:1px dashed #0284c7;border-radius:8px;padding:14px 18px;color:#38bdf8}.empty-circuit-alert .alert-icon{color:#0284c7;margin-top:2px;flex-shrink:0}.empty-circuit-alert .alert-content{display:flex;flex-direction:column;gap:3px;font-size:.85rem}.circuit-grid-wrapper{overflow-x:auto;border:1px solid var(--border-subtle);border-radius:8px;background:var(--bg-card);padding:16px 18px;box-shadow:inset 0 1px 4px #00000008}.circuit-grid-container{min-width:600px;position:relative;display:flex;flex-direction:column}.circuit-grid-header{display:flex;align-items:center;border-bottom:2px solid var(--border-subtle);padding-bottom:8px;margin-bottom:6px}.header-cell-qubit{width:48px;font-size:.75rem;font-weight:800;color:#94a3b8;text-transform:uppercase}.header-cell-init{width:48px;font-size:.75rem;font-weight:800;color:#94a3b8;text-align:center}.header-cell-step{width:72px;font-size:.72rem;font-weight:800;color:#94a3b8;text-align:center;text-transform:uppercase}.circuit-wires-grid{position:relative;display:flex;flex-direction:column;gap:10px;padding-top:4px}.circuit-wire-row{position:relative;display:flex;align-items:center;height:56px}.wire-header{width:48px;display:flex;align-items:center}.wire-badge{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.88rem;font-weight:800;color:var(--text-primary);background:var(--bg-track);border:1px solid var(--border-subtle);padding:4px 8px;border-radius:4px}.wire-init-state{width:48px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.85rem;font-weight:700;color:#94a3b8;text-align:center}.wire-continuous-line{position:absolute;left:96px;right:0;top:50%;height:2px;background:#2b455e;transform:translateY(-50%);z-index:1}.wire-slots-track{display:flex;align-items:center;z-index:2}.circuit-cell{width:72px;height:54px;display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer}.circuit-cell.is-empty:hover .empty-cell-placeholder{opacity:1;border-color:#0284c7;background:#0284c714}.empty-cell-placeholder{width:42px;height:42px;border:1.5px dashed transparent;border-radius:6px;display:flex;align-items:center;justify-content:center;opacity:0;transition:all .15s}.plus-hint{font-size:1.1rem;font-weight:700;color:#0284c7}.circuit-node{position:relative;width:44px;height:44px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;cursor:grab;box-shadow:0 3px 6px #0000002e;transition:transform .15s,box-shadow .15s;-webkit-user-select:none;user-select:none}.circuit-node:hover{transform:scale(1.06)}.circuit-node.node-selected{outline:3px solid #0f1923;outline-offset:2px}.circuit-node.node-h,.circuit-node.node-x,.circuit-node.node-y,.circuit-node.node-z,.circuit-node.node-s,.circuit-node.node-t{background:#0284c7}.circuit-node.node-x,.circuit-node.node-y,.circuit-node.node-z{background:#e76f51}.circuit-node.node-s,.circuit-node.node-t{background:#7209b7}.circuit-node.node-rx,.circuit-node.node-ry,.circuit-node.node-rz{background:#d97706}.circuit-node.node-cx,.circuit-node.node-cz,.circuit-node.node-swap{background:#4361ee}.circuit-node.node-measure{background:#3a5a40}.circuit-node.node-control-dot{background:transparent!important;box-shadow:none!important}.control-dot-circle{width:16px;height:16px;background:var(--bg-subtle);border-radius:50%;box-shadow:0 2px 4px #0000004d}.target-target-circle{width:38px;height:38px;background:#4361ee;border:2px solid #ffffff;border-radius:50%;display:flex;align-items:center;justify-content:center}.target-symbol{font-size:1.4rem;font-weight:800;line-height:1}.swap-cross{font-size:1.4rem;font-weight:900;color:#fff}.measure-box{display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:.72rem;line-height:1.1}.measure-meter{font-size:.95rem}.rotation-box{display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.1}.rot-name{font-size:.78rem;font-weight:800}.rot-angle-tag{font-size:.65rem;font-weight:700;background:#00000040;padding:1px 4px;border-radius:3px}.node-delete-btn{position:absolute;top:-6px;right:-6px;width:18px;height:18px;background:#f03e3e;border:1.5px solid #ffffff;border-radius:50%;color:#fff;display:none;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 4px #00000040}.circuit-node:hover .node-delete-btn{display:flex}.multi-qubit-svg-overlay{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1}.gate-inspector-panel{display:flex;flex-direction:column;gap:10px;background:#f0f6f3;border:1px solid #bde0d4;border-radius:8px;padding:12px 16px}.inspector-header{display:flex;align-items:center;gap:8px;color:var(--text-primary)}.inspector-header h4{margin:0;font-size:.9rem;font-weight:600}.inspector-close-btn{background:transparent;border:0;cursor:pointer;color:#94a3b8;margin-left:auto}.inspector-body{display:flex;align-items:center;flex-wrap:wrap;gap:14px}.inspector-controls{display:flex;align-items:center;gap:12px}.inspector-field{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-secondary)}.inspector-action-btn{display:inline-flex;align-items:center;gap:6px;background:var(--bg-card);border:1px solid #9dc8b9;border-radius:6px;color:var(--text-primary);font-size:.8rem;font-weight:700;padding:6px 12px;cursor:pointer;transition:all .15s}.inspector-action-btn:hover{background:var(--bg-subtle);color:#fff}.inspector-delete-btn{display:inline-flex;align-items:center;gap:6px;background:#fff0f0;border:1px solid #ffc9c9;border-radius:6px;color:#e03131;font-size:.8rem;font-weight:700;padding:6px 12px;cursor:pointer;margin-left:auto}.inspector-delete-btn:hover{background:#e03131;color:#fff}.action-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.primary-button,.secondary-button,.icon-button{display:inline-flex;align-items:center;gap:8px;font-weight:700;border-radius:8px;cursor:pointer;transition:all .15s}.primary-button{background:var(--bg-subtle);color:#fff;border:0;padding:11px 18px;font-size:.92rem;box-shadow:0 3px 8px #0f192333}.primary-button:hover:not(:disabled){background:#17283c;transform:translateY(-1px)}.primary-button:disabled,.secondary-button:disabled{opacity:.5;cursor:not-allowed;transform:none}.secondary-button{background:var(--bg-card);color:var(--text-primary);border:1.5px solid #b7cac1;padding:10px 16px;font-size:.9rem}.secondary-button:hover:not(:disabled){background:var(--bg-subtle);border-color:#0284c7}.icon-button{background:var(--bg-card);border:1.5px solid #b7cac1;color:var(--text-primary);width:44px;height:44px;justify-content:center}.icon-button:hover{background:var(--bg-subtle)}.code-panel{display:flex;flex-direction:column;gap:8px}.qiskit-code-block{background:var(--bg-input);color:#d1f7ea;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.85rem;line-height:1.5;padding:14px 16px;border-radius:8px;margin:0;min-height:140px;overflow-x:auto;border:1px solid #1c2b27}.result-meta{display:flex;justify-content:space-between;color:var(--text-muted);font-size:.82rem;font-weight:600;margin:6px 0 14px}.probability-list{display:flex;flex-direction:column;gap:10px}.probability-row{display:flex;align-items:center;gap:12px;padding:4px 0}.basis-state{font-family:ui-monospace,SFMono-Regular,monospace;font-weight:800;font-size:.95rem;min-width:48px;color:#0369a1}.bar-track{flex:1;height:14px;background:#e2e8f0;border-radius:999px;overflow:hidden;position:relative;box-shadow:inset 0 1px 3px #00000014}.bar-fill{display:block;height:100%;min-width:2px;background:linear-gradient(90deg,#0284c7,#06b6d4,#3b82f6);border-radius:999px;box-shadow:0 0 8px #0284c759;animation:fillBarHorizontal .7s cubic-bezier(.16,1,.3,1) forwards;transition:width .35s ease}@keyframes fillBarHorizontal{0%{width:0%;opacity:.4}to{width:var(--target-width, 100%);opacity:1}}.probability-value{font-family:ui-monospace,monospace;font-weight:700;font-size:.9rem;color:#1e293b;min-width:44px;text-align:right}.state-table{display:flex;flex-direction:column;gap:8px;margin-top:10px}.state-table div{display:flex;justify-content:space-between;background:var(--bg-card);padding:8px 12px;border-radius:6px;border:1px solid var(--border-subtle);font-size:.88rem}.dirac-banner{background:#f0f7f4;border:1.5px solid #bde0d4;border-radius:8px;padding:10px 14px;margin-bottom:14px}.dirac-label{font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:#0284c7;margin-bottom:4px}.dirac-equation{font-family:Fira Code,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.95rem;font-weight:700;color:var(--text-primary);word-break:break-all;display:block}.tutor-panel{display:flex;flex-direction:column;gap:12px}.tutor-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:2px}.tutor-title-group{display:flex;align-items:center;gap:8px}.tutor-header h2{font-size:1.15rem;margin:0;color:var(--text-primary)}.tutor-source-pill{display:inline-flex;align-items:center;gap:4px;font-size:.72rem;font-weight:700;padding:3px 8px;border-radius:999px;text-transform:uppercase;letter-spacing:.03em}.pill-llm{background:#e8f5e9;color:#2e7d32;border:1px solid #c8e6c9}.pill-fallback{background:#e0f2fe;color:#0369a1;border:1px solid #bae6fd}.tutor-content-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:8px;padding:12px 14px;box-shadow:0 1px 3px #0000000a}.tutor-text{color:var(--text-secondary);font-size:.88rem;line-height:1.55;margin:0;white-space:pre-line}.tutor-concepts-container{margin-top:10px;padding-top:8px;border-top:1px solid var(--border-subtle)}.concepts-title{font-size:.75rem;font-weight:700;color:#94a3b8;display:block;margin-bottom:6px}.tutor-concept-tags{display:flex;flex-wrap:wrap;gap:6px}.concept-tag{background:var(--bg-subtle);color:var(--text-primary);font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:4px;border:1px solid #cde5db}.tutor-suggestions-box{background:#fffdf5;border:1px solid #fef08a;border-radius:8px;padding:10px 12px;display:flex;flex-direction:column;gap:6px}.suggestions-header{display:flex;align-items:center;gap:6px;font-size:.75rem;font-weight:800;color:#854d0e;text-transform:uppercase}.suggestions-list{display:flex;flex-direction:column;gap:4px}.suggestion-pill-btn{background:var(--bg-card);border:1px solid #fde047;border-radius:6px;padding:5px 8px;font-size:.78rem;color:#713f12;text-align:left;cursor:pointer;transition:all .15s}.suggestion-pill-btn:hover:not(:disabled){background:#fef9c3;border-color:#eab308}.quick-prompts-row{display:flex;gap:6px;flex-wrap:wrap}.quick-prompt-btn{display:inline-flex;align-items:center;gap:4px;background:var(--bg-subtle);border:1px solid #cce0d7;border-radius:6px;padding:4px 8px;font-size:.75rem;font-weight:600;color:#38bdf8;cursor:pointer;transition:all .15s}.quick-prompt-btn:hover:not(:disabled){background:#d8ede3;color:var(--text-primary)}.tutor-input-form{display:flex;gap:8px;align-items:center;margin-top:4px}.tutor-input-field{flex:1;background:var(--bg-card);border:1.5px solid #c2d5cb;border-radius:6px;padding:8px 12px;font-size:.85rem;color:var(--text-primary);outline:none;transition:border-color .15s}.tutor-input-field:focus{border-color:#0284c7;box-shadow:0 0 0 2px #0284c726}.tutor-submit-btn{background:#0284c7;color:#fff;border:none;border-radius:6px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s;flex-shrink:0}.tutor-submit-btn:hover:not(:disabled){background:#21867a}.tutor-submit-btn:disabled{opacity:.4;cursor:not-allowed}.tutor-loading-spinner{width:14px;height:14px;border:2px solid #ffffff;border-top-color:transparent;border-radius:50%;animation:tutor-spin .6s linear infinite}@keyframes tutor-spin{to{transform:rotate(360deg)}}.lesson-panel h2,.panel h2{font-size:1.15rem;margin:0 0 8px;color:var(--text-primary)}.lesson-panel p,.muted{color:var(--text-muted);font-size:.9rem;line-height:1.55;margin:0;white-space:pre-line}.lesson-steps{display:grid;gap:8px;margin:14px 0}.lesson-steps span{background:var(--bg-subtle);border-left:3px solid #0284c7;padding:8px 12px;font-size:.85rem;font-weight:600;color:#38bdf8}.progress-box{border-top:1px solid var(--border-light);display:grid;gap:6px;padding-top:14px;margin-top:8px}.progress-track{background:#e5eae6;border-radius:999px;height:8px;overflow:hidden}.progress-track span{background:#0284c7;display:block;height:100%}.dashboard-list{display:grid;gap:8px}.dashboard-list div{display:flex;align-items:center;justify-content:space-between;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:8px;padding:10px 14px}.dashboard-list strong{color:#e76f51;font-size:1.25rem}.dashboard-list span{color:#64748b;font-size:.85rem;font-weight:600}@media(max-width:1200px){.workspace{grid-template-columns:1fr;padding:16px}}.toast-viewport{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:10px;z-index:9999;pointer-events:none}.toast-card{pointer-events:auto;min-width:320px;max-width:440px;background:var(--bg-card);border-radius:8px;padding:12px 16px;display:flex;align-items:flex-start;gap:12px;box-shadow:0 10px 25px -5px #00000026,0 8px 10px -6px #0000001a;animation:toast-in .25s cubic-bezier(.16,1,.3,1);border-left:4px solid #0284c7}@keyframes toast-in{0%{transform:translateY(16px) scale(.95);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.toast-card.toast-success{border-left-color:#0284c7}.toast-card.toast-error{border-left-color:#e76f51}.toast-card.toast-warning{border-left-color:#e9b44c}.toast-card.toast-info{border-left-color:#4361ee}.toast-icon{margin-top:2px;flex-shrink:0}.toast-success .toast-icon{color:#0284c7}.toast-error .toast-icon{color:#e76f51}.toast-warning .toast-icon{color:#d97706}.toast-info .toast-icon{color:#4361ee}.toast-content{flex:1}.toast-title{font-size:.88rem;font-weight:700;margin:0 0 2px;color:var(--text-primary)}.toast-message{font-size:.82rem;color:#4b5d56;margin:0;line-height:1.4}.toast-close-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:2px}.toast-close-btn:hover{color:var(--text-primary)}.public-navbar{position:sticky;top:0;z-index:1000;background:var(--bg-topbar);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);transition:background-color .2s ease,border-color .2s ease}.navbar-container{max-width:1300px;margin:0 auto;padding:14px 28px;display:flex;align-items:center;justify-content:space-between}.navbar-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text-primary)}.brand-icon-box{width:38px;height:38px;background:var(--accent-cyan-glow);border:1.5px solid var(--accent-cyan);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--accent-cyan)}.brand-text-group{display:flex;flex-direction:column}.brand-name{font-size:1.2rem;font-weight:800;letter-spacing:-.02em;color:var(--text-primary)}.brand-sub{font-size:.65rem;font-weight:700;color:var(--accent-cyan);text-transform:uppercase;letter-spacing:.08em}.navbar-links{display:flex;align-items:center;gap:24px}.nav-link{color:var(--text-secondary);text-decoration:none;font-size:.88rem;font-weight:600;transition:color .15s}.nav-link:hover,.nav-link-active{color:var(--accent-cyan)}.navbar-actions{display:flex;align-items:center;gap:12px}.navbar-theme-btn{display:inline-flex;align-items:center;gap:6px;background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:20px;padding:7px 14px;font-size:.82rem;font-weight:600;cursor:pointer;transition:all .2s ease}.navbar-theme-btn:hover{background:var(--bg-card-hover);border-color:var(--accent-cyan);transform:translateY(-1px)}.theme-toggle-sun{color:var(--accent-amber)}.theme-toggle-moon{color:var(--accent-indigo)}.navbar-mobile-toggle-btn{display:none;background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:8px;padding:7px 10px;cursor:pointer;align-items:center;justify-content:center;transition:all .15s ease}.navbar-mobile-toggle-btn:hover{background:var(--bg-card-hover);border-color:var(--accent-cyan)}.navbar-mobile-backdrop{position:fixed;inset:0;background:#000000a6;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:1040}.navbar-mobile-drawer{position:fixed;top:0;right:-320px;width:290px;max-width:85vw;height:100vh;background:var(--bg-sidebar);border-left:1px solid var(--border-subtle);z-index:1050;display:flex;flex-direction:column;box-shadow:-8px 0 24px #00000080;transition:right .28s cubic-bezier(.4,0,.2,1);overflow-y:auto;padding:20px}.navbar-mobile-drawer.mobile-drawer-open{right:0}.mobile-drawer-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--border-subtle);margin-bottom:16px}.mobile-drawer-close-btn{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:6px;color:var(--text-secondary);padding:6px;display:flex;align-items:center;justify-content:center;cursor:pointer}.mobile-drawer-close-btn:hover{color:var(--text-primary);border-color:var(--border-strong)}.mobile-drawer-links{display:flex;flex-direction:column;gap:8px;flex:1}.mobile-nav-link{display:flex;align-items:center;padding:10px 14px;color:var(--text-primary);text-decoration:none;font-weight:600;font-size:.95rem;border-radius:8px;transition:all .15s ease}.mobile-nav-link:hover{background:var(--bg-card);color:var(--accent-cyan)}.mobile-drawer-footer{margin-top:auto;padding-top:16px;border-top:1px solid var(--border-subtle);display:flex;flex-direction:column;gap:12px}.mobile-theme-switch-btn{display:flex;align-items:center;gap:10px;width:100%;padding:10px 14px;border-radius:8px;background:var(--bg-card);border:1px solid var(--border-subtle);color:var(--text-primary);font-weight:600;font-size:.85rem;cursor:pointer;text-align:left}.mobile-theme-switch-btn:hover{border-color:var(--accent-cyan);background:var(--bg-card-hover)}.mobile-theme-switch-icon{display:flex;align-items:center;justify-content:center}.mobile-drawer-auth-actions{display:flex;flex-direction:column;gap:8px}.btn-full-width{width:100%;justify-content:center;text-align:center}.nav-btn-ghost{color:var(--text-primary);text-decoration:none;font-size:.88rem;font-weight:700;padding:8px 16px;border-radius:6px;display:inline-flex;align-items:center;gap:6px;transition:background .15s}.nav-btn-ghost:hover{background:var(--bg-card-hover)}.btn-primary-glow{background:linear-gradient(135deg,#0284c7,#0369a1);color:#fff!important;text-decoration:none;font-size:.88rem;font-weight:700;padding:9px 18px;border-radius:6px;display:inline-flex;align-items:center;gap:8px;box-shadow:0 4px 14px #0284c759;transition:all .15s}.btn-primary-glow:hover{transform:translateY(-1px);box-shadow:0 6px 20px #0284c773}.btn-primary-glow.large{padding:13px 28px;font-size:1rem}.btn-ghost-light.large{color:var(--text-primary);text-decoration:none;border:1.5px solid var(--border-strong);padding:12px 24px;border-radius:6px;font-size:.95rem;font-weight:700}.btn-ghost-light.large:hover{background:var(--bg-card-hover);border-color:var(--accent-cyan)}.hero-circuit-responsive-wrapper{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:8px}.landing-page-root{background:var(--bg-page);color:var(--text-primary);min-height:100vh;width:100%;display:flex;flex-direction:column;overflow-x:hidden;overflow-y:visible}.hero-section{position:relative;max-width:1300px;width:100%;margin:0 auto;padding:60px 28px 80px;display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}.hero-pill-badge{display:inline-flex;align-items:center;gap:6px;background:var(--accent-cyan-glow);border:1px solid var(--accent-cyan);padding:5px 14px;border-radius:999px;font-size:.8rem;font-weight:700;color:var(--accent-cyan);margin-bottom:20px}.hero-headline{font-size:2.85rem;font-weight:800;line-height:1.15;letter-spacing:-.03em;margin:0 0 20px;color:var(--text-primary)}.hero-gradient-text{background:linear-gradient(135deg,#0284c7,#4361ee,#8b5cf6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero-subhead{color:var(--text-secondary);font-size:1.05rem;line-height:1.6;margin:0 0 32px}.hero-actions-row{display:flex;align-items:center;gap:16px;margin-bottom:36px;flex-wrap:wrap}.hero-primary-btn{background:var(--accent-cyan);color:#fff;text-decoration:none;font-size:.98rem;font-weight:700;padding:13px 24px;border-radius:8px;display:inline-flex;align-items:center;gap:8px;box-shadow:0 6px 20px var(--accent-cyan-glow);transition:all .15s ease}.hero-primary-btn:hover{background:var(--accent-cyan-hover);transform:translateY(-2px)}.hero-secondary-btn{background:var(--bg-card);color:var(--text-primary);text-decoration:none;font-size:.98rem;font-weight:700;padding:12px 22px;border-radius:8px;border:1px solid var(--border-subtle);display:inline-flex;align-items:center;gap:8px;transition:all .15s ease}.hero-secondary-btn:hover{background:var(--bg-card-hover);border-color:var(--accent-cyan)}.hero-proof-points{display:grid;grid-template-columns:1fr 1fr;gap:12px}.proof-item{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-secondary)}.demo-window-card{background:var(--bg-card);border:1.5px solid var(--border-subtle);border-radius:12px;overflow:hidden;box-shadow:0 20px 50px #00000026}.demo-window-header{background:var(--bg-subtle);padding:10px 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-subtle)}.window-dots{display:flex;gap:6px}.dot{width:10px;height:10px;border-radius:50%}.dot-red{background:#ff5f56}.dot-yellow{background:#ffbd2e}.dot-green{background:#27c93f}.demo-title{font-size:.78rem;font-weight:700;color:var(--text-secondary)}.demo-reset-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;padding:4px}.demo-reset-btn:hover{color:var(--text-primary)}.demo-window-body{padding:16px}.demo-actions-bar{display:flex;align-items:center;justify-content:space-between;margin-top:14px;gap:12px}.demo-run-btn{background:var(--accent-cyan);color:#fff;border:none;padding:8px 16px;border-radius:6px;font-size:.85rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:all .15s ease}.demo-run-btn:hover:not(:disabled){background:var(--accent-cyan-hover)}.demo-run-btn:disabled{opacity:.6;cursor:not-allowed}.demo-result-pill{background:var(--accent-cyan-glow);border:1px solid var(--accent-cyan);padding:4px 10px;border-radius:6px;font-family:ui-monospace,monospace;font-size:.8rem;color:var(--accent-cyan)}.demo-probabilities-row{display:flex;flex-direction:column;gap:8px;margin-top:14px;background:var(--bg-subtle);padding:12px;border-radius:8px;border:1px solid var(--border-subtle)}.demo-prob-item{display:flex;align-items:center;gap:8px}.demo-prob-item .basis{font-family:ui-monospace,monospace;font-weight:700;font-size:.82rem;width:40px;color:var(--text-primary)}.demo-prob-item .bar{flex:1;height:8px;background:var(--bg-track);border-radius:999px;overflow:hidden}.demo-prob-item .fill{height:100%;background:var(--accent-cyan)}.demo-prob-item .pct{font-size:.78rem;font-weight:700;color:var(--accent-cyan);width:35px}.features-section{background:var(--bg-subtle);padding:80px 28px;border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}.section-container{max-width:1300px;margin:0 auto}.section-header-center{text-align:center;max-width:700px;margin:0 auto 50px}.section-eyebrow{color:var(--accent-cyan);font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.section-title{font-size:2.2rem;font-weight:800;color:var(--text-primary);margin:8px 0 14px}.section-description{color:var(--text-secondary);font-size:1rem;line-height:1.55;margin:0}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.feature-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:12px;padding:28px 24px;cursor:pointer;transition:all .2s;display:flex;flex-direction:column}.feature-card:hover{transform:translateY(-4px);border-color:var(--accent-cyan);box-shadow:0 12px 30px #00000014}.feature-icon-wrapper{width:52px;height:52px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:20px}.feature-card h3{font-size:1.2rem;color:var(--text-primary);margin:0 0 10px}.feature-card p{font-size:.88rem;color:var(--text-secondary);line-height:1.5;margin:0 0 20px;flex:1}.feature-link{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;font-weight:700;color:var(--accent-cyan)}.cta-banner-section{padding:60px 28px;background:var(--bg-page)}.cta-banner-card{max-width:1100px;margin:0 auto;background:linear-gradient(135deg,var(--bg-card) 0%,var(--bg-subtle) 100%);border:1.5px solid var(--border-subtle);border-radius:16px;padding:48px;text-align:center;box-shadow:0 12px 40px #0000000f}.cta-banner-card h2{font-size:2rem;color:var(--text-primary);margin:0 0 12px}.cta-banner-card p{color:var(--text-secondary);font-size:1.05rem;max-width:600px;margin:0 auto 28px}.cta-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}.public-footer{background:var(--bg-card);border-top:1px solid var(--border-subtle);padding:50px 28px 24px}.footer-container{max-width:1300px;margin:0 auto 40px;display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}.footer-brand .footer-logo{display:flex;align-items:center;gap:8px;font-size:1.2rem;font-weight:800;color:var(--text-primary);margin-bottom:10px}.footer-brand p{color:var(--text-secondary);font-size:.85rem;max-width:320px;line-height:1.5}.footer-links-group{display:flex;gap:60px}.footer-col h4{font-size:.85rem;color:var(--text-primary);margin:0 0 14px}.footer-col a{display:block;color:var(--text-secondary);text-decoration:none;font-size:.82rem;margin-bottom:8px;transition:color .15s ease}.footer-col a:hover{color:var(--accent-cyan)}.footer-bottom{max-width:1300px;margin:0 auto;padding-top:20px;border-top:1px solid var(--border-subtle);font-size:.78rem;color:var(--text-muted);text-align:center}.auth-page-root,.onboarding-page-root{min-height:100vh;background:#0e1a17;display:flex;align-items:center;justify-content:center;padding:40px 20px}.auth-card-container{width:100%;max-width:440px;background:#152622;border:1px solid rgba(2,132,199,.3);border-radius:12px;padding:32px 28px;box-shadow:0 20px 40px #0006}.auth-header{text-align:center;margin-bottom:24px}.auth-brand-badge{display:inline-flex;align-items:center;gap:8px;color:#0284c7;text-decoration:none;font-size:1.25rem;font-weight:800;margin-bottom:12px}.auth-header h2{font-size:1.5rem;color:#fff;margin:0 0 6px}.auth-header p{color:var(--text-muted);font-size:.85rem;margin:0}.demo-accounts-box{background:#e9b44c14;border:1px solid rgba(233,180,76,.25);border-radius:8px;padding:12px;margin-bottom:20px}.demo-accounts-title{display:flex;align-items:center;gap:6px;font-size:.75rem;font-weight:700;color:#e9b44c;margin-bottom:8px}.demo-buttons-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.demo-btn{background:#1a2f2a;border:1px solid rgba(2,132,199,.3);color:#fff;padding:7px 10px;border-radius:6px;font-size:.78rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;transition:all .15s}.demo-btn:hover{background:#24423b;border-color:#0284c7}.auth-divider{display:flex;align-items:center;text-align:center;margin:20px 0;color:#64748b;font-size:.75rem}.auth-divider:before,.auth-divider:after{content:"";flex:1;border-bottom:1px solid rgba(255,255,255,.1)}.auth-divider span{padding:0 10px}.auth-form{display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:.8rem;font-weight:700;color:#b0c2bb}.label-with-link{display:flex;justify-content:space-between;align-items:center}.forgot-link{color:#0284c7;font-size:.75rem;text-decoration:none}.input-with-icon{position:relative;display:flex;align-items:center}.input-icon{position:absolute;left:12px;color:#94a3b8}.input-with-icon input{width:100%;background:#0f1c19;border:1px solid #1e334a;border-radius:6px;padding:10px 40px 10px 38px;color:#fff;font-size:.88rem;outline:none}.input-with-icon input:focus{border-color:#0284c7;box-shadow:0 0 0 2px #0284c733}.password-toggle-btn{position:absolute;right:12px;background:none;border:none;color:#94a3b8;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:4px;border-radius:4px;transition:color .2s ease}.password-toggle-btn:hover{color:#0284c7}.role-pills-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.role-choice-pill{background:#0f1c19;border:1px solid #1e334a;color:var(--text-muted);padding:9px;border-radius:6px;font-size:.8rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px}.role-choice-pill.selected{background:#1e3f38;border-color:#0284c7;color:#fff}.form-remember-row{display:flex;align-items:center}.checkbox-label{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--text-muted);cursor:pointer}.auth-submit-btn{background:#0284c7;color:#fff;border:none;border-radius:6px;padding:11px;font-size:.92rem;font-weight:700;cursor:pointer;margin-top:6px;transition:background .15s}.auth-submit-btn:hover:not(:disabled){background:#21867a}.auth-submit-btn:disabled{opacity:.5;cursor:not-allowed}.auth-footer-link{text-align:center;margin-top:20px;font-size:.82rem;color:var(--text-muted)}.auth-footer-link a{color:#0284c7;text-decoration:none;font-weight:700}.onboarding-card{width:100%;max-width:640px;background:#152622;border:1px solid rgba(2,132,199,.3);border-radius:12px;padding:36px 32px;box-shadow:0 20px 40px #0006}.onboarding-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.onboarding-brand{display:flex;align-items:center;gap:8px;font-size:1.15rem;font-weight:800;color:#0284c7}.onboarding-steps-indicator{display:flex;align-items:center;gap:8px}.step-dot{width:26px;height:26px;border-radius:50%;background:#101e1b;border:1.5px solid #1e334a;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:800;color:var(--text-muted)}.step-dot.active{background:#0284c7;border-color:#0284c7;color:#fff}.step-connector{width:24px;height:2px;background:#1e334a}.step-tag{color:#0284c7;font-size:.75rem;font-weight:800;text-transform:uppercase}.onboarding-step-content h2{font-size:1.45rem;color:#fff;margin:6px 0 10px}.step-desc{color:var(--text-muted);font-size:.88rem;margin:0 0 24px}.experience-options-grid{display:flex;flex-direction:column;gap:12px;margin-bottom:28px}.experience-card{background:#0f1c19;border:1.5px solid #223c36;border-radius:8px;padding:14px 16px;display:flex;align-items:center;gap:14px;cursor:pointer;transition:all .15s}.experience-card:hover{border-color:#0284c7}.experience-card.selected{background:#18332d;border-color:#0284c7}.exp-icon-box{width:44px;height:44px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.exp-info h3{font-size:.95rem;color:#fff;margin:0 0 2px}.exp-info p{font-size:.8rem;color:var(--text-muted);margin:0}.interests-grid{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}.interest-card{background:#0f1c19;border:1px solid #223c36;border-radius:8px;padding:12px 14px;display:flex;align-items:center;gap:12px;cursor:pointer}.interest-card.selected{background:#18332d;border-color:#0284c7}.interest-text h4{font-size:.88rem;color:#fff;margin:0}.interest-text span{font-size:.75rem;color:var(--text-muted)}.interest-check{margin-left:auto}.generated-path-preview{background:#0284c71f;border:1px solid rgba(2,132,199,.3);border-radius:8px;padding:12px 14px;margin-bottom:24px}.preview-header{display:flex;align-items:center;gap:6px;font-size:.75rem;font-weight:800;color:#0284c7;margin-bottom:4px}.generated-path-preview p{font-size:.82rem;color:#d1e3dc;margin:0}.onboarding-action-row{display:flex;justify-content:flex-end}.onboarding-action-row.split{justify-content:space-between}.onboarding-next-btn,.onboarding-finish-btn{background:#0284c7;color:#fff;border:none;padding:11px 20px;border-radius:6px;font-size:.9rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:8px}.onboarding-back-btn{background:transparent;border:1px solid #1e334a;color:var(--text-muted);padding:11px 18px;border-radius:6px;cursor:pointer}.app-container{display:flex;height:100vh;max-height:100vh;width:100vw;overflow:hidden;background:var(--bg-page)}.mobile-backdrop{position:fixed;inset:0;background:#000000a6;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:999}.app-sidebar{width:260px;min-width:260px;max-width:260px;height:100vh;max-height:100vh;background:var(--bg-sidebar);color:var(--text-primary);display:flex;flex-direction:column;border-right:1px solid var(--border-subtle);transition:width .22s cubic-bezier(.4,0,.2,1),min-width .22s cubic-bezier(.4,0,.2,1),max-width .22s cubic-bezier(.4,0,.2,1);flex-shrink:0;overflow-x:hidden;overflow-y:auto;position:sticky;top:0;left:0;z-index:100}.app-container.sidebar-collapsed .app-sidebar{width:72px;min-width:72px;max-width:72px}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:16px 14px;border-bottom:1px solid var(--border-subtle);min-height:64px;flex-shrink:0}.app-container.sidebar-collapsed .sidebar-header{padding:14px 8px;justify-content:center;flex-direction:column;gap:8px}.sidebar-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text-primary);overflow:hidden}.app-container.sidebar-collapsed .sidebar-brand{justify-content:center;width:100%}.sidebar-logo-badge{width:38px;height:38px;background:var(--accent-cyan-glow);border:1.5px solid var(--accent-cyan);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--accent-cyan);flex-shrink:0}.sidebar-brand-text{display:flex;flex-direction:column;white-space:nowrap}.brand-title{font-size:1.15rem;font-weight:800;letter-spacing:-.02em;color:var(--text-primary)}.brand-tagline{font-size:.65rem;color:var(--accent-cyan);font-weight:700;text-transform:uppercase;letter-spacing:.06em}.sidebar-toggle-btn{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:6px;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.sidebar-toggle-btn:hover{color:var(--text-primary);background:#ffffff14}.app-container.sidebar-collapsed .sidebar-toggle-btn{margin:0 auto}.sidebar-role-selector{padding:10px 12px;position:relative;flex-shrink:0}.role-selector-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:8px;padding:8px 12px;display:flex;align-items:center;justify-content:space-between}.role-current-info{display:flex;flex-direction:column}.role-label{font-size:.65rem;color:var(--text-muted);font-weight:700;text-transform:uppercase;letter-spacing:.05em}.role-badge{display:inline-flex;align-items:center;gap:4px;font-size:.78rem;font-weight:700}.role-badge.badge-student{color:var(--accent-cyan)}.role-badge.badge-instructor{color:var(--accent-amber)}.sidebar-nav{padding:10px;display:flex;flex-direction:column;gap:4px;flex:1;overflow-y:auto}.app-container.sidebar-collapsed .sidebar-nav{padding:12px 6px;align-items:center}.nav-section-title{font-size:.68rem;font-weight:800;color:var(--text-muted);padding:8px 10px 4px;letter-spacing:.08em;text-transform:uppercase}.sidebar-nav-item{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:8px;color:var(--text-secondary);text-decoration:none;font-size:.88rem;font-weight:500;transition:all .15s ease;white-space:nowrap}.app-container.sidebar-collapsed .sidebar-nav-item{width:48px;height:48px;padding:0;justify-content:center;border-radius:10px}.sidebar-nav-item:hover{background:var(--bg-card-hover);color:var(--text-primary)}.sidebar-nav-item.item-active{background:var(--accent-cyan);color:#fff!important;font-weight:700;box-shadow:0 2px 8px var(--accent-cyan-glow)}.sidebar-nav-item.item-highlight{border:1px dashed var(--accent-cyan);color:var(--accent-cyan)}.nav-item-icon{flex-shrink:0}.nav-item-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-item-badge{margin-left:auto;font-size:.65rem;font-weight:800;background:#0003;padding:2px 6px;border-radius:4px}.sidebar-user-footer{padding:10px 12px;border-top:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;min-height:60px;background:var(--bg-sidebar);flex-shrink:0}.app-container.sidebar-collapsed .sidebar-user-footer{padding:12px 6px;flex-direction:column;align-items:center;justify-content:center;gap:10px}.user-profile-summary-btn{display:flex;align-items:center;gap:10px;overflow:hidden;background:transparent;border:none;padding:6px;border-radius:8px;cursor:pointer;text-align:left;flex:1;transition:background .15s ease}.user-profile-summary-btn:hover,.user-profile-summary-btn.active-profile{background:var(--bg-card-hover)}.user-avatar-circle{width:36px;height:36px;border-radius:50%;background:var(--accent-cyan);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.88rem;flex-shrink:0}.user-details{display:flex;flex-direction:column;overflow:hidden}.user-name-row{display:flex;align-items:center;gap:6px}.user-name{font-size:.85rem;font-weight:700;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-profile-hint{font-size:.62rem;font-weight:700;color:var(--accent-cyan);background:var(--accent-cyan-glow);padding:1px 5px;border-radius:4px}.user-stats-row{display:flex;align-items:center;gap:6px;font-size:.72rem;color:var(--text-muted)}.user-streak{display:inline-flex;align-items:center;gap:2px;color:var(--accent-amber)}.user-logout-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:6px;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:all .15s ease;flex-shrink:0}.user-logout-btn:hover{color:#f87171;background:#ef44441f}.app-container.sidebar-collapsed .user-logout-btn{width:38px;height:38px;background:#ef444414;color:#f87171}.app-main-layout{flex:1;height:100vh;max-height:100vh;min-width:0;display:flex;flex-direction:column;overflow:hidden;background:var(--bg-page)}.app-topbar{background:var(--bg-topbar);border-bottom:1px solid var(--border-subtle);padding:12px 28px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 1px 3px #0000000a;min-height:64px;flex-shrink:0}.mobile-menu-btn{display:none;background:transparent;border:none;cursor:pointer;color:var(--text-primary);margin-right:12px}.topbar-breadcrumbs{display:flex;align-items:center;gap:6px}.breadcrumb-cat{font-size:.8rem;color:var(--text-muted);font-weight:600}.breadcrumb-sep{color:var(--text-muted)}.topbar-page-title{font-size:1.15rem;font-weight:800;color:var(--text-primary);margin:0}.topbar-right-actions{display:flex;align-items:center;gap:12px}.topbar-search-box{position:relative;display:flex;align-items:center}.topbar-search-box .search-icon{position:absolute;left:10px;color:var(--text-muted)}.topbar-search-box input{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:8px;padding:7px 12px 7px 32px;font-size:.82rem;width:260px;outline:none;transition:all .2s ease}.topbar-search-box input:focus{border-color:var(--accent-cyan);box-shadow:0 0 0 2px var(--accent-cyan-glow)}.topbar-theme-toggle{width:36px;height:36px;border-radius:8px;background:var(--bg-card);border:1px solid var(--border-subtle);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.topbar-theme-toggle:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:var(--accent-cyan)}.topbar-theme-toggle .sun-icon{color:#f59e0b}.topbar-theme-toggle .moon-icon{color:#818cf8}.topbar-profile-btn{background:transparent;border:none;padding:2px;cursor:pointer;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .15s ease}.topbar-profile-btn:hover{transform:scale(1.08)}.topbar-avatar-circle{width:32px;height:32px;border-radius:50%;background:var(--accent-cyan);color:#fff;font-weight:700;font-size:.82rem;display:flex;align-items:center;justify-content:center;border:1.5px solid var(--border-subtle)}.topbar-profile-btn.active .topbar-avatar-circle{border-color:var(--accent-cyan);box-shadow:0 0 0 2px var(--accent-cyan-glow)}.app-content-view{flex:1;overflow-y:auto;overflow-x:hidden;padding:24px 28px;background:var(--bg-page);color:var(--text-primary);max-width:1400px;width:100%;margin:0 auto}.dashboard-page-container{display:flex;flex-direction:column;gap:24px}.dashboard-welcome-banner{background:linear-gradient(135deg,#0f1923,#17283c);border-radius:12px;padding:28px 32px;color:#fff;display:flex;align-items:center;justify-content:space-between;box-shadow:0 4px 15px #0f19231a}.welcome-badge{display:inline-flex;align-items:center;gap:6px;background:#e9b44c33;border:1px solid #e9b44c;padding:3px 10px;border-radius:999px;font-size:.75rem;font-weight:700;color:#f7d488;margin-bottom:8px}.welcome-text-col h2{font-size:1.7rem;margin:0 0 6px}.welcome-text-col p{color:#b0c9c1;font-size:.92rem;margin:0;max-width:540px}.welcome-stats-col{display:flex;gap:16px}.stat-pill-box{background:#00000040;border:1px solid rgba(255,255,255,.1);padding:10px 16px;border-radius:8px;display:flex;align-items:center;gap:10px}.stat-meta{display:flex;flex-direction:column}.stat-val{font-size:1.1rem;font-weight:800}.stat-lbl{font-size:.7rem;color:var(--text-muted)}.metrics-summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.metric-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:10px;padding:18px;box-shadow:0 1px 3px #00000008}.metric-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.metric-title{font-size:.8rem;font-weight:700;color:#94a3b8}.metric-value-row{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:10px}.metric-number{font-size:1.5rem;font-weight:800;color:var(--text-primary)}.metric-sub{font-size:.75rem;color:var(--text-muted);font-weight:600}.metric-progress-bar{height:6px;background:var(--bg-track);border-radius:999px;overflow:hidden}.metric-progress-bar .bar-fill{height:100%;background:#0284c7}.dashboard-content-split{display:grid;grid-template-columns:1.7fr 1fr;gap:24px}.resume-lesson-card{background:var(--bg-card);border:1.5px solid var(--border-subtle);border-radius:10px;padding:22px;margin-bottom:24px;box-shadow:0 2px 8px #00000008}.resume-lesson-badge{display:flex;align-items:center;gap:8px;font-size:.72rem;font-weight:800;color:#0284c7;margin-bottom:8px}.course-tag{background:var(--accent-cyan-glow);padding:2px 8px;border-radius:4px}.resume-lesson-card h3{font-size:1.3rem;color:var(--text-primary);margin:0 0 6px}.resume-lesson-card p{color:#64748b;font-size:.88rem;line-height:1.5;margin:0 0 18px}.resume-lesson-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border-subtle);padding-top:14px}.lesson-time-est{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;color:#94a3b8}.resume-btn-glow{background:#0284c7;color:#fff;text-decoration:none;font-size:.88rem;font-weight:700;padding:9px 18px;border-radius:6px;display:inline-flex;align-items:center;gap:6px}.resume-btn-glow:hover{background:#21867a}.section-subtitle{font-size:.95rem;font-weight:800;color:var(--text-primary);margin:0 0 12px}.quick-actions-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}.quick-action-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:8px;padding:14px;display:flex;align-items:center;gap:12px;cursor:pointer;transition:all .15s}.quick-action-card:hover{border-color:#0284c7;transform:translateY(-2px);box-shadow:0 4px 12px #0000000d}.action-icon{width:40px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.action-text h5{font-size:.88rem;margin:0 0 2px;color:var(--text-primary)}.action-text p{font-size:.75rem;color:#94a3b8;margin:0}.action-arrow{margin-left:auto;color:var(--text-muted)}.activity-timeline-list{display:flex;flex-direction:column;gap:10px}.timeline-item{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:8px;padding:10px 14px;display:flex;align-items:center;gap:12px}.timeline-icon-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.bg-teal{background:#0284c7}.bg-amber{background:#e9b44c}.bg-blue{background:#4361ee}.bg-purple{background:#7209b7}.bg-coral{background:#e76f51}.timeline-content{display:flex;flex-direction:column}.timeline-action{font-size:.85rem;font-weight:700;color:var(--text-primary)}.timeline-meta{font-size:.75rem;color:#94a3b8}.ai-recommendation-card{background:var(--bg-card);border:1.5px solid #b7dfd2;border-radius:10px;padding:20px;margin-bottom:20px}.rec-header{display:flex;align-items:center;gap:6px;font-size:.75rem;font-weight:800;color:#0284c7;margin-bottom:8px}.ai-recommendation-card h4{font-size:1.05rem;color:var(--text-primary);margin:0 0 6px}.ai-recommendation-card p{color:#94a3b8;font-size:.85rem;line-height:1.5;margin:0 0 16px}.rec-action-btn{background:var(--bg-subtle);color:#fff;text-decoration:none;font-size:.82rem;font-weight:700;padding:8px 14px;border-radius:6px;display:inline-flex;align-items:center;gap:6px}.badges-showcase-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:10px;padding:20px}.badges-header{display:flex;align-items:center;gap:8px;margin-bottom:16px}.badges-header h4{font-size:.95rem;color:var(--text-primary);margin:0}.badges-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;text-align:center}.badge-item{display:flex;flex-direction:column;align-items:center;gap:6px}.badge-icon-circle{width:44px;height:44px;border-radius:50%;background:var(--bg-subtle);border:1.5px solid #d1ded8;display:flex;align-items:center;justify-content:center}.badge-icon-circle.active{background:var(--accent-cyan-glow);border-color:#0284c7}.badge-item span{font-size:.72rem;font-weight:700;color:var(--text-secondary)}.badge-item.locked{opacity:.45}.quantum-lab-page-container{display:flex;flex-direction:column;gap:16px}.lab-top-toolbar{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:10px;padding:12px 18px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 1px 3px #00000008}.lab-title-group{display:flex;align-items:baseline;gap:12px}.lab-circuit-title-input{font-size:1.15rem;font-weight:800;color:var(--text-primary);border:1px solid transparent;padding:4px 8px;border-radius:6px;outline:none;background:transparent}.lab-circuit-title-input:hover,.lab-circuit-title-input:focus{background:var(--bg-subtle);border-color:#0284c7}.lab-circuit-meta{font-size:.78rem;font-weight:700;color:#94a3b8;background:var(--bg-subtle);padding:2px 8px;border-radius:4px}.lab-toolbar-actions{display:flex;align-items:center;gap:10px}.lab-preset-selector select,.lab-backend-selector select{background:var(--bg-subtle);border:1px solid var(--border-subtle);border-radius:6px;padding:7px 10px;font-size:.82rem;font-weight:600;color:var(--text-primary);outline:none}.toolbar-btn{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:6px;padding:7px 12px;font-size:.82rem;font-weight:700;color:var(--text-primary);cursor:pointer;display:inline-flex;align-items:center;gap:6px}.toolbar-btn:hover{background:var(--bg-subtle)}.lab-run-btn{background:var(--bg-subtle);color:#fff;border:none;border-radius:6px;padding:8px 16px;font-size:.85rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:6px;box-shadow:0 3px 8px #0f192333}.lab-run-btn:hover:not(:disabled){background:#17283c}.lab-ai-btn{background:#0284c7;color:#fff;border:none;border-radius:6px;padding:8px 14px;font-size:.85rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:6px}.lab-ai-btn:hover:not(:disabled){background:#21867a}.lab-workspace-split{display:grid;grid-template-columns:1.55fr 1fr;gap:16px;align-items:flex-start}.lab-canvas-area{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:10px;padding:16px;box-shadow:0 1px 4px #00000008}.lab-inspector-tabs-col{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:10px;overflow:hidden;box-shadow:0 1px 4px #00000008}.inspector-tab-headers{display:flex;background:var(--bg-subtle);border-bottom:1px solid var(--border-subtle)}.tab-btn{flex:1;background:transparent;border:none;padding:12px;font-size:.85rem;font-weight:700;color:#94a3b8;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;border-bottom:2px solid transparent}.tab-btn.tab-active{background:var(--bg-card);color:var(--text-primary);border-bottom-color:#0284c7}.inspector-tab-body{padding:16px}.code-header-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.code-lang-label{font-size:.78rem;font-weight:700;color:#94a3b8}.code-actions{display:flex;gap:8px}.code-action-btn{background:var(--bg-subtle);border:1px solid var(--border-subtle);border-radius:4px;padding:4px 8px;font-size:.75rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:4px}.learn-page-container{display:flex;flex-direction:column;gap:24px}.learn-header-banner{background:linear-gradient(135deg,#0f1923,#17283c);border-radius:12px;padding:28px 32px;color:#fff;display:flex;align-items:center;justify-content:space-between}.learn-eyebrow{color:#0284c7;font-size:.75rem;font-weight:800;text-transform:uppercase}.learn-header-text h2{font-size:1.6rem;margin:4px 0 6px}.learn-header-text p{color:#94a3b8;font-size:.9rem;margin:0;max-width:580px}.learn-header-stats{display:flex;gap:12px}.learn-header-stats .stat-pill{background:#00000040;border:1px solid rgba(255,255,255,.1);padding:8px 14px;border-radius:6px;font-size:.82rem;color:#d1e3dc}.courses-list-stack{display:flex;flex-direction:column;gap:24px}.course-card-expanded{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:12px;padding:24px;box-shadow:0 1px 4px #00000008}.course-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.difficulty-badge{display:inline-block;font-size:.7rem;font-weight:800;text-transform:uppercase;padding:2px 8px;border-radius:4px;margin-bottom:6px}.difficulty-badge.beginner{background:var(--accent-cyan-glow);color:#0284c7}.difficulty-badge.intermediate{background:#eef2ff;color:#4361ee}.difficulty-badge.advanced{background:#fbf0ea;color:#e76f51}.course-card-header h3{font-size:1.25rem;color:var(--text-primary);margin:0 0 4px}.course-subtitle{color:#94a3b8;font-size:.85rem;margin:0}.course-progress-ring{text-align:right}.prog-val{font-size:1.3rem;font-weight:800;color:var(--text-primary);display:block}.prog-lbl{font-size:.72rem;color:var(--text-muted)}.course-prog-track{height:6px;background:#e8f0eb;border-radius:999px;overflow:hidden;margin-bottom:20px}.track-fill{height:100%;background:#0284c7}.course-modules-list{display:flex;flex-direction:column;gap:16px}.module-title{font-size:.9rem;font-weight:800;color:var(--text-primary);margin:0 0 8px}.lessons-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.lesson-card-item{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:8px;padding:12px 14px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:all .15s}.lesson-card-item:hover{background:var(--bg-card);border-color:#0284c7;transform:translateY(-1px)}.lesson-card-item.current{border-color:#0284c7;background:var(--bg-subtle)}.lesson-item-left{display:flex;align-items:center;gap:10px}.lesson-item-text{display:flex;flex-direction:column}.lesson-item-title{font-size:.85rem;font-weight:700;color:var(--text-primary)}.lesson-item-dur{font-size:.72rem;color:#94a3b8;display:inline-flex;align-items:center;gap:4px}.status-tag{font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:4px}.status-tag.completed{background:var(--accent-cyan-glow);color:#0284c7}.status-tag.current{background:#fef3c7;color:#b45309}.status-tag.start{background:#edf2f0;color:#94a3b8}.lesson-page-container{display:flex;flex-direction:column;gap:16px}.lesson-nav-bar{display:flex;align-items:center;justify-content:space-between;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:8px;padding:10px 16px}.lesson-back-link{color:var(--text-primary);text-decoration:none;font-size:.85rem;font-weight:700;display:inline-flex;align-items:center;gap:6px}.lesson-complete-btn{background:#0284c7;color:#fff;border:none;padding:7px 14px;border-radius:6px;font-size:.82rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:6px}.lesson-complete-btn.completed{background:#1b534a}.lesson-split-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:20px}.lesson-theory-pane{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:10px;padding:24px;max-height:85vh;overflow-y:auto}.lesson-tag{font-size:.72rem;font-weight:800;color:#0284c7;text-transform:uppercase}.theory-header h2{font-size:1.4rem;color:var(--text-primary);margin:4px 0 12px}.objective-box{background:#f0f7f4;border-left:3px solid #0284c7;padding:10px 14px;font-size:.85rem;color:#20473e;margin-bottom:20px}.theory-body-content h3{font-size:1.05rem;color:var(--text-primary);margin:20px 0 8px}.theory-body-content p{font-size:.9rem;color:#43544e;line-height:1.6;margin:0 0 14px}.math-step-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:8px;padding:12px 14px;margin-bottom:12px}.step-num{font-size:.75rem;font-weight:800;color:#0284c7;display:block;margin-bottom:4px}.math-step-card code{font-family:ui-monospace,monospace;font-size:.9rem;font-weight:700;color:var(--text-primary);display:block;background:#eef5f1;padding:6px 10px;border-radius:4px;margin-top:6px}.knowledge-check-card{background:#fffdf5;border:1.5px solid #fef08a;border-radius:10px;padding:20px;margin-top:24px}.quiz-header{display:flex;align-items:center;gap:8px;margin-bottom:10px}.quiz-header h4{font-size:.95rem;margin:0;color:#854d0e}.quiz-prompt{font-size:.88rem;font-weight:600;color:var(--text-primary);margin:0 0 14px}.quiz-options-list{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}.quiz-option-item{background:var(--bg-card);border:1px solid #fde047;border-radius:6px;padding:10px 12px;display:flex;align-items:center;gap:10px;cursor:pointer;font-size:.85rem}.quiz-option-item.selected{background:#fef9c3;border-color:#ca8a04}.quiz-option-item.correct{background:var(--accent-cyan-glow);border-color:#0284c7;color:#38bdf8}.quiz-option-item.incorrect{background:#fee2e2;border-color:#ef4444;color:#991b1b}.option-letter{font-weight:800;width:20px}.quiz-submit-btn{background:#854d0e;color:#fff;border:none;padding:8px 16px;border-radius:6px;font-size:.82rem;font-weight:700;cursor:pointer}.quiz-feedback-box{background:var(--accent-cyan-glow);border:1px solid #0284c7;padding:10px 12px;border-radius:6px;font-size:.82rem;color:#38bdf8}.lesson-interactive-pane{display:flex;flex-direction:column;gap:14px}.pane-section-header{display:flex;align-items:center;justify-content:space-between;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:8px;padding:10px 14px}.pane-section-header h3{font-size:.95rem;color:var(--text-primary);margin:0}.simulate-btn-compact{background:#0284c7;color:#fff;border:none;padding:6px 12px;border-radius:6px;font-size:.8rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:6px}.algorithms-page-container,.challenges-page-container{display:flex;flex-direction:column;gap:20px}.algo-header-banner,.challenges-header-banner{background:linear-gradient(135deg,#0f1923,#17283c);border-radius:12px;padding:24px 28px;color:#fff;display:flex;justify-content:space-between;align-items:center}.algo-header-text h2,.challenges-header-text h2{font-size:1.5rem;margin:4px 0 6px}.algo-header-text p,.challenges-header-text p{color:#94a3b8;font-size:.88rem;margin:0;max-width:600px}.xp-pill{background:#e9b44c33;border:1px solid #e9b44c;color:#f7d488;padding:8px 14px;border-radius:6px;font-size:.82rem;display:flex;align-items:center;gap:6px}.algo-split-layout,.challenges-split-layout{display:grid;grid-template-columns:1fr 1.6fr;gap:20px;align-items:flex-start}.algo-list-col,.challenges-list-col{display:flex;flex-direction:column;gap:10px}.algo-summary-card,.challenge-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:10px;padding:14px 16px;cursor:pointer;transition:all .15s}.algo-summary-card:hover,.challenge-card:hover{border-color:#0284c7;transform:translateY(-1px)}.algo-summary-card.selected,.challenge-card.selected{border-color:#0284c7;background:#f2f9f6}.algo-card-top,.challenge-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.algo-cat-tag,.diff-pill{font-size:.7rem;font-weight:800;text-transform:uppercase;padding:2px 6px;border-radius:4px;background:var(--bg-subtle);color:#0284c7}.diff-pill.beginner{background:var(--accent-cyan-glow);color:#0284c7}.diff-pill.intermediate{background:#eef2ff;color:#4361ee}.diff-pill.advanced{background:#fbf0ea;color:#e76f51}.algo-complexity-tag,.xp-badge{font-size:.72rem;font-weight:800;color:#7b44bf;background:#f5edfc;padding:2px 6px;border-radius:4px}.xp-badge{color:#b45309;background:#fef3c7}.algo-summary-card h4,.challenge-card h4{font-size:.95rem;color:var(--text-primary);margin:0 0 4px}.algo-summary-card p,.challenge-card p{font-size:.8rem;color:#94a3b8;margin:0 0 10px;line-height:1.4}.algo-card-footer,.challenge-card-footer{display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-muted);font-weight:700}.completed-text{color:#0284c7;display:inline-flex;align-items:center;gap:4px}.algo-detail-pane,.challenge-solver-pane{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:16px}.algo-detail-header,.solver-header{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid #edf3f0;padding-bottom:14px}.detail-title-group h3,.solver-title-group h3{font-size:1.3rem;color:var(--text-primary);margin:4px 0 2px}.detail-speedup{font-size:.78rem;color:#4361ee;font-weight:700}.detail-actions{display:flex;gap:8px}.algo-action-btn{padding:8px 14px;border-radius:6px;font-size:.82rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:6px}.algo-action-btn.primary{background:#0284c7;color:#fff;border:none}.algo-action-btn.secondary{background:var(--bg-subtle);border:1px solid var(--border-subtle);color:var(--text-primary)}.algo-content-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:8px;padding:14px 16px}.algo-content-card h4{font-size:.88rem;margin:0 0 6px;color:var(--text-primary)}.algo-content-card p{font-size:.85rem;color:#94a3b8;line-height:1.5;margin:0}.algo-steps-list{margin:0;padding-left:20px;font-size:.85rem;color:#94a3b8;line-height:1.6}.solver-task-card{background:#f0f7f4;border:1px solid #bde0d4;border-radius:8px;padding:14px 16px}.solver-task-card h4{font-size:.9rem;margin:0 0 6px;color:var(--text-primary)}.solver-task-card p{font-size:.85rem;color:#3b4e47;margin:0 0 10px}.target-outcome-box,.hint-box{background:var(--bg-card);border:1px solid #cce0d7;padding:8px 12px;border-radius:6px;font-size:.8rem;color:var(--text-primary);margin-bottom:6px}.hint-box{background:#fffdf5;border-color:#fef08a;color:#713f12}.eval-feedback-card{padding:12px 16px;border-radius:8px;display:flex;align-items:flex-start;gap:12px}.eval-feedback-card.passed{background:var(--accent-cyan-glow);border:1.5px solid #0284c7}.eval-feedback-card.failed{background:#fef2f2;border:1.5px solid #ef4444}.eval-text h5{font-size:.9rem;margin:0 0 2px;color:var(--text-primary)}.eval-text p{font-size:.82rem;margin:0;color:#94a3b8}.canvas-header-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;font-size:.82rem;font-weight:700;color:#64748b}.canvas-reset-btn{background:transparent;border:none;color:#94a3b8;cursor:pointer;display:inline-flex;align-items:center;gap:4px}.solver-submit-bar{display:flex;justify-content:flex-end}.solver-submit-btn{background:#0284c7;color:#fff;border:none;padding:10px 20px;border-radius:6px;font-size:.88rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:8px}.tutor-full-split-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:20px;height:calc(100vh - 120px)}.tutor-chat-pane{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:12px;display:flex;flex-direction:column;overflow:hidden}.chat-pane-header{background:var(--bg-subtle);border-bottom:1px solid var(--border-subtle);padding:12px 18px;display:flex;align-items:center;gap:12px}.tutor-avatar-box{width:38px;height:38px;border-radius:50%;background:var(--accent-cyan-glow);border:1.5px solid #0284c7;display:flex;align-items:center;justify-content:center}.tutor-header-info h3{font-size:.98rem;margin:0;color:var(--text-primary)}.tutor-status-text{font-size:.72rem;color:#94a3b8;display:inline-flex;align-items:center;gap:4px}.online-dot{width:6px;height:6px;border-radius:50%;background:#0284c7}.chat-messages-scroll{flex:1;padding:18px;overflow-y:auto;display:flex;flex-direction:column;gap:14px}.chat-message-row{display:flex}.chat-message-row.user{justify-content:flex-end}.message-bubble{max-width:82%;border-radius:10px;padding:12px 16px;font-size:.88rem;line-height:1.5}.chat-message-row.ai .message-bubble{background:#f4f8f6;border:1px solid var(--border-subtle);color:var(--text-primary)}.chat-message-row.user .message-bubble{background:var(--bg-subtle);color:#fff}.message-body-text{font-size:.92rem;line-height:1.65;color:#1a2e29}.chat-message-row.user .message-body-text{color:#fff}.formatted-tutor-content{display:flex;flex-direction:column;gap:10px}.tutor-para{margin:0;line-height:1.65}.tutor-bullet-list{margin:4px 0 6px 18px;padding:0;list-style-type:disc;display:flex;flex-direction:column;gap:6px}.tutor-para strong,.tutor-bullet-item strong{font-weight:700;color:#0f2420}.chat-message-row.user .tutor-para strong,.chat-message-row.user .tutor-bullet-item strong{color:#bae6fd}.message-header-meta{display:flex;align-items:center;gap:8px;margin-bottom:6px;font-size:.72rem}.sender-name{font-weight:800}.message-time{margin-left:auto;opacity:.6}.source-pill{font-size:.65rem;font-weight:800;padding:1px 6px;border-radius:999px;text-transform:uppercase}.message-concepts-row{margin-top:8px;padding-top:6px;border-top:1px solid #e1ebe5;display:flex;flex-wrap:wrap;align-items:center;gap:6px}.concepts-label{font-size:.72rem;font-weight:700;color:#94a3b8}.concept-pill-tag{background:var(--accent-cyan-glow);color:#38bdf8;border:1px solid #c2ded4;padding:1px 6px;border-radius:4px;font-size:.72rem;font-weight:700}.message-suggestions-box{margin-top:10px;background:#fffdf5;border:1px solid #fef08a;padding:8px 10px;border-radius:6px}.sugg-title{display:flex;align-items:center;gap:4px;font-size:.72rem;font-weight:800;color:#854d0e;margin-bottom:6px;text-transform:uppercase}.sugg-buttons{display:flex;flex-direction:column;gap:4px}.sugg-prompt-btn{background:var(--bg-card);border:1px solid #fde047;border-radius:4px;padding:4px 8px;font-size:.75rem;color:#713f12;text-align:left;cursor:pointer}.loading-bubble{display:flex;align-items:center;gap:10px;color:#94a3b8}.chat-quick-prompts-bar{padding:8px 16px;background:var(--bg-card);border-top:1px solid var(--border-subtle);display:flex;gap:8px;overflow-x:auto}.quick-chip-btn{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:999px;padding:4px 10px;font-size:.75rem;font-weight:600;color:#38bdf8;cursor:pointer;white-space:nowrap}.chat-input-container{padding:12px 16px;background:var(--bg-card);border-top:1px solid #dce4dd;display:flex;gap:10px}.chat-input-field{flex:1;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:6px;padding:9px 12px;font-size:.85rem;outline:none}.chat-input-field:focus{background:var(--bg-card);border-color:#0284c7}.chat-send-btn{background:#0284c7;color:#fff;border:none;border-radius:6px;width:38px;height:38px;display:flex;align-items:center;justify-content:center;cursor:pointer}.tutor-context-pane{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:14px}.context-pane-header{display:flex;align-items:center;gap:8px;border-bottom:1px solid #edf3f0;padding-bottom:8px}.context-pane-header h4{font-size:.95rem;margin:0;color:var(--text-primary)}.context-preset-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.preset-chip-btn{background:var(--bg-subtle);border:1px solid var(--border-subtle);border-radius:4px;padding:3px 8px;font-size:.72rem;font-weight:700;cursor:pointer}.context-dirac-box{background:#f0f7f4;border:1px solid #bde0d4;border-radius:6px;padding:10px 12px}.dirac-heading{font-size:.72rem;font-weight:800;color:#0284c7;text-transform:uppercase;display:block;margin-bottom:4px}.progress-page-container,.settings-page-container,.instructor-page-container{display:flex;flex-direction:column;gap:20px}.progress-hero-banner{background:linear-gradient(135deg,#0f1923,#17283c);border-radius:12px;padding:24px 28px;color:#fff;display:flex;justify-content:space-between;align-items:center}.hero-level-info{display:flex;align-items:center;gap:18px;flex:1}.level-badge-large{width:60px;height:60px;background:#0284c7;border:2px solid #38bdf8;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center}.lvl-num{font-size:1.5rem;font-weight:800;line-height:1}.lvl-tag{font-size:.65rem;text-transform:uppercase;font-weight:700}.level-details h3{font-size:1.25rem;margin:0 0 4px}.level-details p{font-size:.82rem;color:#94a3b8;margin:0 0 8px}.xp-progress-bar{width:320px;height:6px;background:#ffffff26;border-radius:999px;overflow:hidden}.hero-streak-card{background:#0000004d;border:1px solid rgba(255,255,255,.1);padding:10px 18px;border-radius:8px;display:flex;align-items:center;gap:10px}.progress-split-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.progress-section-card,.settings-section-card,.analytics-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:10px;padding:20px;box-shadow:0 1px 3px #00000008}.progress-section-card .card-header,.section-title-row{display:flex;align-items:center;gap:8px;margin-bottom:16px}.progress-section-card h4,.section-title-row h3{font-size:.98rem;margin:0;color:var(--text-primary)}.skills-list{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.skill-header{display:flex;justify-content:space-between;margin-bottom:4px}.skill-name{font-size:.82rem;font-weight:700;color:var(--text-primary)}.skill-status-tag{font-size:.72rem;font-weight:700}.skill-bar-track{height:6px;background:var(--bg-track);border-radius:999px;overflow:hidden}.skill-bar-fill{height:100%}.weak-concept-alert{background:#fffdf5;border:1px solid #fef08a;border-radius:8px;padding:12px;display:flex;align-items:flex-start;gap:10px}.alert-text h5{font-size:.85rem;color:#854d0e;margin:0 0 2px}.alert-text p{font-size:.78rem;color:#713f12;margin:0}.stats-2x2-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stat-box{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:8px;padding:14px;text-align:center}.stat-box .num{font-size:1.4rem;font-weight:800;color:var(--text-primary);display:block}.stat-box .lbl{font-size:.72rem;color:#94a3b8}.badges-full-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.badge-card-full{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:8px;padding:12px;display:flex;align-items:center;gap:12px}.badge-card-full.unlocked{background:var(--bg-card);border-color:#bde0d4}.badge-card-full.locked{opacity:.45}.badge-info h5{font-size:.85rem;margin:0 0 2px;color:var(--text-primary)}.badge-info p{font-size:.75rem;color:#94a3b8;margin:0}.unlock-date{font-size:.68rem;color:#0284c7;font-weight:700}.settings-grid-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}.settings-form{display:flex;flex-direction:column;gap:14px}.settings-form input[type=text],.settings-form input[type=email],.settings-form select{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:6px;padding:8px 12px;font-size:.85rem;outline:none}.input-disabled{background:#eef2ef!important;color:#94a3b8}.save-btn{background:var(--bg-subtle);color:#fff;border:none;border-radius:6px;padding:8px 14px;font-size:.82rem;font-weight:700;cursor:pointer;align-self:flex-start;display:inline-flex;align-items:center;gap:6px}.choice-pills-row{display:flex;gap:8px}.choice-pill{background:var(--bg-subtle);border:1px solid var(--border-subtle);border-radius:6px;padding:6px 10px;font-size:.78rem;font-weight:600;cursor:pointer}.choice-pill.selected{background:var(--bg-subtle);color:#fff;border-color:var(--text-primary)}.toggle-row{display:flex;justify-content:space-between;align-items:center}.toggle-row strong{font-size:.85rem;display:block}.toggle-row p{font-size:.75rem;color:#94a3b8;margin:0}.instructor-metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.inst-metric-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:10px;padding:18px}.inst-metric-card .metric-val{font-size:1.6rem;font-weight:800;color:var(--text-primary);margin:6px 0}.instructor-tabs-bar{display:flex;gap:8px}.inst-tab-btn{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:8px;padding:10px 16px;font-size:.85rem;font-weight:700;color:#64748b;cursor:pointer;display:inline-flex;align-items:center;gap:6px}.inst-tab-btn.active{background:var(--bg-subtle);color:#fff;border-color:var(--text-primary)}.table-controls-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.table-search-box{position:relative;display:flex;align-items:center}.table-search-box .search-icon{position:absolute;left:10px;color:var(--text-muted)}.table-search-box input{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:6px;padding:7px 12px 7px 32px;font-size:.82rem;width:320px}.btn-create-challenge{background:#0284c7;color:#fff;border:none;border-radius:6px;padding:8px 14px;font-size:.82rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:6px}.students-table-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:10px;overflow-x:auto}.students-table{width:100%;border-collapse:collapse;text-align:left;font-size:.82rem}.students-table th{background:var(--bg-card);padding:12px 16px;color:#94a3b8;font-weight:700;border-bottom:1px solid var(--border-subtle)}.students-table td{padding:12px 16px;border-bottom:1px solid #edf3f0;color:#3b4e47}.student-table-row:hover{background:#f9fbf9;cursor:pointer}.student-profile-cell{display:flex;align-items:center;gap:10px}.student-avatar-small{width:28px;height:28px;border-radius:50%;background:#0284c7;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.75rem}.student-email{font-size:.72rem;color:var(--text-muted);display:block}.table-progress-cell{display:flex;align-items:center;gap:8px}.table-progress-track{width:60px;height:5px;background:#e5ede8;border-radius:999px;overflow:hidden}.diagnostic-pill{font-size:.72rem;font-weight:700;padding:2px 6px;border-radius:4px}.diagnostic-pill.excelling{background:var(--accent-cyan-glow);color:#0284c7}.diagnostic-pill.on-track{background:#eef2ff;color:#4361ee}.diagnostic-pill.needs-help{background:#fef2f2;color:#ef4444}.status-badge-pill{font-size:.72rem;font-weight:700}.instructor-analytics-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.topic-difficulty-list{display:flex;flex-direction:column;gap:12px}.diff-item-top{display:flex;justify-content:space-between;font-size:.8rem;font-weight:700;margin-bottom:4px}.diff-bar-track{height:6px;background:var(--bg-track);border-radius:999px;overflow:hidden}.diff-bar-fill{height:100%}.misconceptions-list{display:flex;flex-direction:column;gap:12px}.misconception-item{background:#fdfaf9;border:1px solid #fae6e0;border-radius:8px;padding:12px;display:flex;align-items:flex-start;gap:12px}.miscon-num{width:22px;height:22px;border-radius:50%;background:#e76f51;color:#fff;display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:800;flex-shrink:0}.miscon-text h5{font-size:.85rem;color:var(--text-primary);margin:0 0 2px}.miscon-text p{font-size:.78rem;color:#64748b;margin:0;line-height:1.4}@media(max-width:1024px){.hero-section{grid-template-columns:1fr;gap:40px;padding:48px 24px}.features-grid{grid-template-columns:repeat(2,1fr)}.dashboard-content-split,.lesson-split-grid,.algo-split-layout,.challenges-split-layout,.tutor-full-split-layout,.progress-split-grid,.settings-grid-layout,.instructor-analytics-grid,.instructor-grid-two-col,.profile-content-grid{grid-template-columns:1fr}.metrics-summary-grid,.instructor-metrics-grid{grid-template-columns:repeat(2,1fr)}.lab-workspace-split,.classes-management-grid{grid-template-columns:1fr}}@media(max-width:768px){.navbar-links,.navbar-actions .btn-primary-glow,.navbar-actions .nav-btn-ghost,.navbar-actions .theme-btn-label-desktop{display:none}.navbar-mobile-toggle-btn{display:flex}.navbar-container{padding:10px 18px}.mobile-menu-btn{display:flex}.app-sidebar{position:fixed;left:-290px;top:0;bottom:0;z-index:1050;width:270px!important;transition:left .28s cubic-bezier(.4,0,.2,1);box-shadow:4px 0 24px #00000080}.app-sidebar.mobile-open{left:0}.app-main-layout{margin-left:0!important;width:100%!important}.app-topbar{padding:10px 16px;gap:10px}.topbar-breadcrumbs{max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar-page-title{font-size:.95rem}.topbar-search-box{width:130px}.topbar-search-box:focus-within{width:180px}.hero-section{padding:36px 16px;gap:32px}.hero-headline{font-size:clamp(1.85rem,5.5vw,2.6rem);line-height:1.15}.hero-subhead{font-size:.92rem;line-height:1.5}.hero-actions-row{flex-direction:column;width:100%;gap:12px}.hero-actions-row a{width:100%;justify-content:center}.hero-proof-points{grid-template-columns:repeat(2,1fr);gap:10px}.features-grid{grid-template-columns:1fr}.demo-window-card{padding:14px}.lessons-grid,.metrics-summary-grid,.instructor-metrics-grid{grid-template-columns:1fr}.profile-hero-main{flex-direction:column;align-items:flex-start;gap:16px}.profile-hero-stats{grid-template-columns:repeat(2,1fr);width:100%}.circuit-builder-card{padding:12px}.circuit-canvas-area,.circuit-grid-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch;width:100%}.circuit-toolbox{flex-wrap:wrap;gap:6px}.results-panel{width:100%}.results-grid{grid-template-columns:1fr}.modal-dialog-content,.modal-overlay-dialog,.student-preview-modal-card{max-width:calc(100vw - 24px)!important;max-height:calc(100vh - 32px)!important;overflow-y:auto;padding:18px 14px;margin:12px}.table-responsive-container,.instructor-table-container,.classes-table-wrapper,.gradebook-table-container,.learners-table-wrapper,.curriculum-table-wrapper{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:8px}.table-responsive-container table,.instructor-table-container table{min-width:600px}}@media(max-width:480px){.navbar-container{padding:8px 12px}.brand-name{font-size:1.05rem}.brand-icon-box{width:32px;height:32px}.topbar-breadcrumbs,.topbar-search-box{display:none}.hero-section{padding:24px 12px}.hero-proof-points,.profile-hero-stats,.form-grid-two,.theme-selection-grid{grid-template-columns:1fr}.auth-card-wrapper,.login-card,.signup-card{padding:20px 14px;margin:10px auto}.otp-inputs-row{gap:6px;justify-content:center}.otp-digit-box{width:38px;height:44px;font-size:1.15rem}.demo-actions-bar{flex-direction:column;align-items:stretch}.demo-run-btn{width:100%;justify-content:center}}.katex-display-block{display:flex;justify-content:center;align-items:center;margin:12px 0;padding:10px 14px;background:#0f19230a;border:1px solid rgba(15,25,35,.1);border-radius:8px;overflow-x:auto;overflow-y:hidden;font-size:1.05rem;color:var(--text-primary);max-width:100%}.katex-inline{display:inline-block;padding:0 2px;font-size:.98em;color:#0f4c3a;vertical-align:-.1em}.katex-fallback{font-family:var(--font-mono, monospace);color:#00875a;background:var(--bg-track);padding:2px 6px;border-radius:4px}.inline-code-badge{font-family:var(--font-mono, monospace);background:#0f192314;padding:1px 5px;border-radius:4px;font-size:.88em;color:#1b4d3e}.formatted-tutor-content{display:flex;flex-direction:column;gap:12px;line-height:1.6}.tutor-para{margin:0;color:inherit}.tutor-bullet-list{margin:4px 0 8px 18px;padding:0;list-style-type:disc;display:flex;flex-direction:column;gap:6px}.tutor-bullet-item{line-height:1.55}.instructor-content-area{width:100%;max-width:1400px;margin:0 auto;padding:0}.instructor-header-banner{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;gap:16px;flex-wrap:wrap;padding-bottom:16px;border-bottom:1px solid var(--border-subtle)}.instructor-header-titles h1{font-size:22px;font-weight:800;color:var(--text-primary);margin:0 0 4px;letter-spacing:-.01em}.instructor-header-titles p{font-size:13px;color:#64748b;margin:0}.instructor-kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.instructor-kpi-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:12px;padding:18px 20px;display:flex;flex-direction:column;gap:6px;box-shadow:0 1px 3px #00000008;transition:transform .15s ease,box-shadow .15s ease}.instructor-kpi-card:hover{transform:translateY(-1px);box-shadow:0 4px 12px #0000000d}.instructor-kpi-card .kpi-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#64748b;display:flex;align-items:center;gap:6px}.instructor-kpi-card .kpi-value{font-size:26px;font-weight:800;color:var(--text-primary);line-height:1.1}.instructor-kpi-card .kpi-subtext{font-size:12px;color:#94a3b8}.instructor-grid-two-col{display:grid;grid-template-columns:1.6fr 1.4fr;gap:20px;margin-bottom:24px}@media(max-width:1024px){.instructor-grid-two-col{grid-template-columns:1fr}}.instructor-panel-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:12px;padding:20px 24px;box-shadow:0 1px 3px #00000008;margin-bottom:20px}.instructor-panel-card h3{font-size:16px;font-weight:700;color:var(--text-primary);margin:0 0 14px;display:flex;align-items:center;gap:8px}.instructor-table-container{overflow-x:auto;border-radius:8px;border:1px solid var(--border-subtle)}.instructor-table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}.instructor-table th{background:var(--bg-subtle);color:#94a3b8;padding:10px 14px;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:.05em;border-bottom:1px solid var(--border-subtle)}.instructor-table td{padding:12px 14px;border-bottom:1px solid var(--border-subtle);color:var(--text-secondary)}.instructor-table tr:hover td{background:var(--bg-subtle)}.instructor-tag{display:inline-flex;align-items:center;gap:4px;padding:2px 7px;border-radius:4px;font-size:11px;font-weight:700}.instructor-tag.canonical{background:#0284c71a;color:#0284c7;border:1px solid rgba(2,132,199,.25)}.instructor-tag.custom{background:#7c3aed1a;color:#7c3aed;border:1px solid rgba(124,58,237,.25)}.instructor-tag.published{background:#16a34a1a;color:#16a34a;border:1px solid rgba(22,163,74,.25)}.instructor-tag.draft{background:#d977061a;color:#d97706;border:1px solid rgba(217,119,6,.25)}.instructor-empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:36px 20px;text-align:center;background:var(--bg-subtle);border:1px dashed #cbd5e1;border-radius:10px;color:#64748b;gap:10px}.instructor-empty-state p{margin:0;font-size:13px;max-width:440px;line-height:1.5}.builder-tab-nav{display:flex;gap:6px;border-bottom:1px solid var(--border-subtle);margin-bottom:20px;overflow-x:auto}.builder-tab-btn{background:transparent;border:none;border-bottom:2px solid transparent;color:#64748b;font-size:13px;font-weight:600;padding:8px 14px;cursor:pointer;display:flex;align-items:center;gap:6px;text-transform:uppercase;letter-spacing:.04em;transition:all .15s ease}.builder-tab-btn:hover{color:var(--text-primary)}.builder-tab-btn.active{color:#0284c7;border-bottom-color:#0284c7;font-weight:700}.builder-form-group{margin-bottom:18px;display:flex;flex-direction:column;gap:6px}.builder-form-group label{font-size:12px;font-weight:700;color:var(--text-secondary)}.builder-form-group input,.builder-form-group select,.builder-form-group textarea{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:6px;padding:9px 12px;color:var(--text-primary);font-size:13px;font-family:inherit}.builder-form-group input:focus,.builder-form-group select:focus,.builder-form-group textarea:focus{outline:none;border-color:#0284c7;box-shadow:0 0 0 2px #0284c726}.builder-action-bar{display:flex;justify-content:flex-end;gap:10px;padding-top:18px;border-top:1px solid var(--border-subtle)}.instructor-btn-primary{background:#0284c7;color:#fff;border:none;font-weight:700;font-size:13px;padding:8px 16px;border-radius:8px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:background .15s ease,box-shadow .15s ease;box-shadow:0 1px 2px #0284c733}.instructor-btn-primary:hover{background:#0369a1}.instructor-btn-secondary{background:var(--bg-subtle);color:var(--text-secondary);border:1px solid var(--border-subtle);font-weight:600;font-size:13px;padding:8px 14px;border-radius:8px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:all .15s ease}.instructor-btn-secondary:hover{background:var(--bg-subtle);border-color:#94a3b8;color:var(--text-primary)}.instructor-btn-danger{background:#ef44441a;color:#ef4444;border:1px solid rgba(239,68,68,.25);font-weight:600;font-size:12px;padding:5px 10px;border-radius:6px;cursor:pointer}.instructor-btn-danger:hover{background:#ef444433}.preview-modal-overlay{position:fixed;inset:0;background:#000000bf;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.preview-modal-box{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:12px;width:100%;max-width:900px;max-height:90vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 20px 40px #0009}.preview-modal-header{padding:16px 20px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between}.preview-modal-body{padding:20px;overflow-y:auto;flex:1}.instructor-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px;margin-top:20px}.instructor-item-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:14px;padding:20px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 1px 3px #0000000a;transition:all .2s ease}.instructor-item-card:hover{transform:translateY(-2px);border-color:var(--text-secondary);box-shadow:0 8px 24px #00000014}.instructor-item-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.instructor-item-card-title{font-size:16px;font-weight:700;color:var(--text-primary);margin:0 0 6px;line-height:1.35}.instructor-item-card-desc{font-size:13px;color:#64748b;margin:0 0 16px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.instructor-item-card-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:12px 0;margin-bottom:14px;border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle);text-align:center}.instructor-meta-item .meta-label{font-size:11px;color:#94a3b8;display:block;font-weight:500;text-transform:uppercase;letter-spacing:.04em}.instructor-meta-item .meta-value{font-size:13px;font-weight:700;color:#1e293b;margin-top:2px;display:block}.instructor-item-card-actions{display:flex;align-items:center;justify-content:space-between;gap:8px}.badge-pill{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:9999px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.badge-pill-teal{background:#0284c71a;color:#0284c7;border:1px solid rgba(2,132,199,.25)}.badge-pill-amber{background:#d977061a;color:#d97706;border:1px solid rgba(217,119,6,.25)}.badge-pill-purple{background:#7c3aed1a;color:#7c3aed;border:1px solid rgba(124,58,237,.25)}.badge-pill-rose{background:#e11d481a;color:#e11d48;border:1px solid rgba(225,29,72,.25)}.badge-pill-green{background:#16a34a1a;color:#16a34a;border:1px solid rgba(22,163,74,.25)}.instructor-modal-overlay{position:fixed;inset:0;background:#0f172aa6;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;overflow-y:auto}.instructor-modal-box{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:16px;width:100%;max-width:820px;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 25px 50px -12px #00000040;overflow:hidden;margin:auto}.instructor-modal-header{padding:20px 24px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;background:var(--bg-subtle)}.instructor-modal-header h3{font-size:18px;font-weight:800;color:var(--text-primary);margin:0 0 2px}.instructor-modal-header p{font-size:12px;color:#64748b;margin:0}.instructor-modal-close{background:transparent;border:none;font-size:18px;color:#94a3b8;cursor:pointer;padding:6px;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.instructor-modal-close:hover{background:#e2e8f0;color:var(--text-primary)}.instructor-modal-body{padding:24px;overflow-y:auto;flex:1}.instructor-modal-footer{padding:16px 24px;border-top:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:flex-end;gap:12px;background:var(--bg-subtle)}.instructor-form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:16px}.instructor-form-group{margin-bottom:16px;display:flex;flex-direction:column;gap:6px}.instructor-form-label{font-size:12px;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.03em}.instructor-form-input,.instructor-form-select,.instructor-form-textarea{width:100%;background:var(--bg-card);border:1.5px solid var(--border-subtle);border-radius:8px;padding:9px 13px;font-size:13px;color:var(--text-primary);font-family:Inter,ui-sans-serif,system-ui,sans-serif;transition:border-color .15s ease,box-shadow .15s ease}.instructor-form-input:focus,.instructor-form-select:focus,.instructor-form-textarea:focus{outline:none;border-color:#0284c7;box-shadow:0 0 0 3px #0284c726}.instructor-form-textarea{min-height:80px;resize:vertical}.copilot-task-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin-bottom:20px}.copilot-task-btn{background:var(--bg-card);border:1.5px solid var(--border-subtle);border-radius:10px;padding:12px 14px;text-align:left;cursor:pointer;transition:all .15s ease;display:flex;flex-direction:column;gap:4px}.copilot-task-btn:hover{border-color:#0284c7;background:#f0fdfa}.copilot-task-btn.active{border-color:#0284c7;background:#0284c714;box-shadow:0 0 0 2px #0284c733}.copilot-task-title{font-size:13px;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:6px}.copilot-task-desc{font-size:11px;color:#64748b;line-height:1.3}.copilot-chip{background:var(--bg-subtle);border:1px solid var(--border-subtle);color:var(--text-secondary);font-size:11px;font-weight:500;padding:4px 10px;border-radius:6px;cursor:pointer;transition:all .15s ease}.copilot-chip:hover{background:#e2e8f0;color:var(--text-primary);border-color:var(--text-secondary)}.instructor-error-banner{padding:16px 20px;background:#fff1f2;border:1px solid #fecdd3;border-radius:12px;margin-bottom:20px;display:flex;align-items:center;justify-content:space-between;gap:16px}.instructor-error-banner-text{font-size:13px;color:#9f1239;font-weight:500}.instructor-loading-box{padding:48px 20px;text-align:center;color:#64748b;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}.instructor-spinner{width:32px;height:32px;border:3px solid #cbd5e1;border-top-color:#0284c7;border-radius:50%;animation:instructor-spin .8s linear infinite}@keyframes instructor-spin{to{transform:rotate(360deg)}}.analytics-prog-track{width:100%;background:var(--bg-track);border-radius:9999px;height:8px;overflow:hidden}.analytics-prog-fill{background:linear-gradient(90deg,#0284c7,#2dd4bf);height:100%;border-radius:9999px;transition:width .4s ease}.analytics-score-card{padding:12px;border-radius:10px;text-align:center;transition:all .2s ease}.analytics-score-card.score-tier-green{background:#10b98114;border:1px solid rgba(16,185,129,.25)}.analytics-score-card.score-tier-green .score-tier-label{color:#10b981}.analytics-score-card.score-tier-cyan{background:#0284c714;border:1px solid rgba(2,132,199,.25)}.analytics-score-card.score-tier-cyan .score-tier-label{color:#0284c7}.analytics-score-card.score-tier-amber{background:#f59e0b14;border:1px solid rgba(245,158,11,.25)}.analytics-score-card.score-tier-amber .score-tier-label{color:#f59e0b}.analytics-score-card.score-tier-rose{background:#f43f5e14;border:1px solid rgba(244,63,94,.25)}.analytics-score-card.score-tier-rose .score-tier-label{color:#f43f5e}.score-tier-label{font-size:11px;font-weight:700;display:block}.score-tier-val{font-size:20px;font-weight:800;color:var(--text-primary);margin-top:4px;display:block}.score-tier-pct{font-size:11px;color:var(--text-muted)}.analytics-concept-item{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:8px}.profile-page-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:24px}.profile-hero-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:16px;padding:28px;display:flex;flex-direction:column;gap:24px;box-shadow:0 4px 20px #0000000d}.profile-hero-main{display:flex;align-items:flex-start;gap:24px}@media(max-width:768px){.profile-hero-main{flex-direction:column;align-items:center;text-align:center}}.profile-avatar-wrapper{position:relative;display:flex;flex-direction:column;align-items:center;flex-shrink:0}.profile-avatar-large{width:88px;height:88px;border-radius:50%;background:linear-gradient(135deg,var(--accent-cyan) 0%,#8b5cf6 100%);color:#fff;font-size:2.2rem;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px var(--accent-cyan-glow);border:3px solid var(--border-strong)}.profile-role-badge{position:absolute;bottom:-6px;background:var(--bg-card);border:1px solid var(--border-strong);color:var(--text-primary);font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:999px;display:flex;align-items:center;gap:4px;white-space:nowrap}.profile-info-header{flex:1;display:flex;flex-direction:column;gap:8px}.profile-name-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.profile-name-row h2{font-size:1.6rem;font-weight:800;color:var(--text-primary);margin:0}.profile-edit-toggle-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:8px;background:var(--bg-subtle);border:1px solid var(--border-subtle);color:var(--text-primary);font-size:.82rem;font-weight:600;cursor:pointer;transition:all .15s ease}.profile-edit-toggle-btn:hover{border-color:var(--accent-cyan);background:var(--bg-card-hover)}.profile-meta-tags{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:2px}.profile-meta-item{display:inline-flex;align-items:center;gap:5px;font-size:.82rem;color:var(--text-muted)}.profile-bio-text{font-size:.9rem;color:var(--text-secondary);line-height:1.5;margin:6px 0 0}.profile-hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;border-top:1px solid var(--border-subtle);padding-top:20px}@media(max-width:900px){.profile-hero-stats{grid-template-columns:repeat(2,1fr)}}.profile-hero-stat-card{background:var(--bg-subtle);border:1px solid var(--border-subtle);border-radius:10px;padding:14px 16px;display:flex;flex-direction:column}.profile-hero-stat-card .stat-label{font-size:.75rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;display:flex;align-items:center;gap:6px;margin-bottom:4px}.profile-hero-stat-card .stat-num{font-size:1.5rem;font-weight:800;color:var(--text-primary);line-height:1.2}.profile-hero-stat-card .stat-sub{font-size:.72rem;color:var(--text-muted);margin-top:2px}.profile-level-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:12px;padding:16px 20px;display:flex;flex-direction:column;gap:10px}.level-bar-header{display:flex;align-items:center;justify-content:space-between}.level-badge-pill{font-size:.85rem;font-weight:700;color:var(--accent-cyan);margin-right:10px}.level-xp-text{font-size:.78rem;color:var(--text-muted)}.level-pct-text{font-size:.85rem;font-weight:800;color:var(--text-primary)}.profile-progress-track{width:100%;height:10px;background:var(--bg-track);border-radius:9999px;overflow:hidden}.profile-progress-fill{height:100%;background:linear-gradient(90deg,var(--accent-cyan) 0%,#8b5cf6 100%);border-radius:9999px;transition:width .4s ease}.profile-edit-section{background:var(--bg-card);border:1.5px solid var(--accent-cyan);border-radius:14px;padding:24px;box-shadow:0 4px 16px var(--accent-cyan-glow)}.section-header-row{display:flex;align-items:center;gap:8px;margin-bottom:8px}.section-header-row h3{font-size:1.15rem;font-weight:700;color:var(--text-primary);margin:0}.section-subtext{font-size:.82rem;color:var(--text-muted);margin:0 0 18px}.profile-form{display:flex;flex-direction:column;gap:16px;margin-top:14px}.form-grid-two{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:640px){.form-grid-two{grid-template-columns:1fr}}.profile-form-group{display:flex;flex-direction:column;gap:6px}.profile-form-group label{font-size:.82rem;font-weight:600;color:var(--text-secondary)}.profile-form-group input,.profile-form-group textarea{background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:8px;padding:10px 14px;color:var(--text-primary);font-size:.88rem;outline:none;font-family:inherit;transition:all .2s ease}.profile-form-group input:focus,.profile-form-group textarea:focus{border-color:var(--accent-cyan);box-shadow:0 0 0 2px var(--accent-cyan-glow)}.interest-pills-wrap{display:flex;flex-wrap:wrap;gap:8px}.interest-pill-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:var(--bg-subtle);border:1px solid var(--border-subtle);color:var(--text-secondary);font-size:.8rem;font-weight:500;cursor:pointer;transition:all .15s ease}.interest-pill-btn:hover{border-color:var(--accent-cyan);color:var(--text-primary)}.interest-pill-btn.selected{background:var(--accent-cyan-glow);border-color:var(--accent-cyan);color:var(--accent-cyan);font-weight:600}.form-actions-row{display:flex;align-items:center;gap:12px;margin-top:8px}.profile-save-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 20px;background:var(--accent-cyan);color:#fff;border:none;border-radius:8px;font-size:.88rem;font-weight:700;cursor:pointer;transition:all .15s ease}.profile-save-btn:hover:not(:disabled){background:var(--accent-cyan-hover);transform:translateY(-1px)}.profile-cancel-btn{padding:9px 18px;background:transparent;border:1px solid var(--border-subtle);border-radius:8px;color:var(--text-secondary);font-size:.88rem;font-weight:600;cursor:pointer;transition:all .15s ease}.profile-cancel-btn:hover{background:var(--bg-subtle);color:var(--text-primary)}.profile-content-grid{display:grid;grid-template-columns:1.6fr 1.2fr;gap:20px}@media(max-width:900px){.profile-content-grid{grid-template-columns:1fr}}.profile-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:14px;padding:22px}.profile-badges-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.profile-badge-item{display:flex;align-items:flex-start;gap:12px;padding:14px;border-radius:10px;border:1px solid var(--border-subtle);background:var(--bg-subtle);transition:all .2s ease}.profile-badge-item.unlocked{border-color:#0284c766;background:#0284c70a}.profile-badge-item.locked{opacity:.6}.badge-icon-box{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:var(--bg-card);border:1px solid var(--border-subtle);color:var(--accent-cyan)}.profile-badge-item.unlocked .badge-icon-box{background:var(--accent-cyan-glow);border-color:var(--accent-cyan);color:var(--accent-cyan)}.badge-details{flex:1;display:flex;flex-direction:column;gap:2px}.badge-title-row{display:flex;align-items:center;justify-content:space-between}.badge-name{font-size:.88rem;font-weight:700;color:var(--text-primary)}.badge-status-unlocked{font-size:.7rem;font-weight:700;color:#10b981;display:inline-flex;align-items:center;gap:3px}.badge-status-locked{font-size:.7rem;color:var(--text-muted)}.badge-desc{font-size:.78rem;color:var(--text-muted);margin:0;line-height:1.3}.profile-side-column{display:flex;flex-direction:column;gap:20px}.account-details-list{display:flex;flex-direction:column;gap:12px}.account-detail-row{display:flex;align-items:center;justify-content:space-between;font-size:.85rem;padding:8px 0;border-bottom:1px solid var(--border-subtle)}.account-detail-row:last-child{border-bottom:none}.account-label{color:var(--text-muted)}.account-val{font-weight:600;color:var(--text-primary)}.mono-text{font-family:JetBrains Mono,monospace}.account-actions-box{margin-top:16px;padding-top:14px;border-top:1px solid var(--border-subtle)}.profile-settings-link{display:inline-flex;align-items:center;gap:8px;color:var(--accent-cyan);text-decoration:none;font-size:.85rem;font-weight:600;transition:all .15s ease}.profile-settings-link:hover{text-decoration:underline}.interests-display-wrap{display:flex;flex-wrap:wrap;gap:8px}.interest-display-chip{background:var(--bg-subtle);border:1px solid var(--border-subtle);color:var(--text-primary);font-size:.8rem;font-weight:600;padding:5px 12px;border-radius:6px}.settings-page-container{max-width:1100px;margin:0 auto;display:flex;flex-direction:column;gap:24px}.settings-profile-banner{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:12px;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}.settings-profile-banner .banner-left{display:flex;align-items:center;gap:14px}.banner-avatar{width:44px;height:44px;border-radius:50%;background:var(--accent-cyan);color:#fff;font-weight:800;font-size:1.1rem;display:flex;align-items:center;justify-content:center;flex-shrink:0}.settings-profile-banner h4{margin:0 0 2px;font-size:.95rem;font-weight:700;color:var(--text-primary)}.settings-profile-banner p{margin:0;font-size:.82rem;color:var(--text-muted)}.banner-profile-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;background:var(--bg-subtle);border:1px solid var(--border-subtle);color:var(--text-primary);text-decoration:none;font-size:.85rem;font-weight:600;transition:all .15s ease;white-space:nowrap}.banner-profile-btn:hover{border-color:var(--accent-cyan);background:var(--bg-card-hover)}.settings-grid-layout{display:flex;flex-direction:column;gap:20px}.settings-section-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:14px;padding:24px}.section-title-row{display:flex;align-items:center;gap:8px;margin-bottom:6px}.section-title-row h3{font-size:1.1rem;font-weight:700;color:var(--text-primary);margin:0}.settings-subtext{font-size:.82rem;color:var(--text-muted);margin:0 0 18px}.theme-selection-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:640px){.theme-selection-grid{grid-template-columns:1fr}}.theme-card-option{background:var(--bg-subtle);border:2px solid var(--border-subtle);border-radius:12px;padding:16px;cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:12px;transition:all .2s ease}.theme-card-option:hover{border-color:var(--border-strong)}.theme-card-option.active{border-color:var(--accent-cyan);background:var(--bg-card);box-shadow:0 0 0 2px var(--accent-cyan-glow)}.theme-preview-box{width:100%;height:80px;border-radius:8px;border:1px solid rgba(0,0,0,.1);overflow:hidden;display:flex;flex-direction:column}.dark-preview{background:#090e15;border-color:#1f3347}.dark-preview .preview-topbar{height:14px;background:#0d1520;border-bottom:1px solid #1f3347}.dark-preview .preview-body{flex:1;display:flex}.dark-preview .preview-sidebar{width:28px;background:#0d1520;border-right:1px solid #1f3347}.dark-preview .preview-content{flex:1;padding:6px;display:flex;flex-direction:column;gap:4px}.dark-preview .elem-1{height:16px;background:#131f2d;border-radius:4px;border:1px solid #1f3347}.dark-preview .elem-2{height:10px;background:#0284c7;border-radius:3px;width:60%}.light-preview{background:#f1f5f9;border-color:#e2e8f0}.light-preview .preview-topbar{height:14px;background:#fff;border-bottom:1px solid var(--border-subtle)}.light-preview .preview-body{flex:1;display:flex}.light-preview .preview-sidebar{width:28px;background:#fff;border-right:1px solid #e2e8f0}.light-preview .preview-content{flex:1;padding:6px;display:flex;flex-direction:column;gap:4px}.light-preview .elem-1{height:16px;background:#fff;border-radius:4px;border:1px solid var(--border-subtle)}.light-preview .elem-2{height:10px;background:#0284c7;border-radius:3px;width:60%}.theme-option-info{display:flex;flex-direction:column;gap:4px}.theme-option-title{display:flex;align-items:center;gap:8px;font-size:.95rem;font-weight:700;color:var(--text-primary)}.theme-check{margin-left:auto;color:var(--accent-cyan)}.theme-option-info p{margin:0;font-size:.78rem;color:var(--text-muted);line-height:1.3}.settings-form{display:flex;flex-direction:column;gap:16px}.settings-form .form-group{display:flex;flex-direction:column;gap:6px}.settings-form label{font-size:.82rem;font-weight:600;color:var(--text-secondary)}.settings-form input[type=text],.settings-form input[type=email],.settings-form select{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:8px;padding:10px 14px;font-size:.88rem;outline:none;font-family:inherit;transition:all .2s ease}.settings-form input[type=text]:focus,.settings-form select:focus{border-color:var(--accent-cyan);box-shadow:0 0 0 2px var(--accent-cyan-glow)}.settings-form input[type=range]{accent-color:var(--accent-cyan)}.range-labels{display:flex;justify-content:space-between;font-size:.72rem;color:var(--text-muted);margin-top:4px}.choice-pills-row{display:flex;flex-wrap:wrap;gap:8px}.choice-pill{padding:8px 14px;border-radius:8px;background:var(--bg-subtle);border:1px solid var(--border-subtle);color:var(--text-secondary);font-size:.82rem;font-weight:500;cursor:pointer;transition:all .15s ease}.choice-pill:hover{color:var(--text-primary);border-color:var(--border-strong)}.choice-pill.selected{background:var(--accent-cyan-glow);border-color:var(--accent-cyan);color:var(--accent-cyan);font-weight:700}.toggle-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border-subtle)}.toggle-row:last-of-type{border-bottom:none}.toggle-row strong{font-size:.88rem;color:var(--text-primary);display:block}.toggle-row p{font-size:.78rem;color:var(--text-muted);margin:2px 0 0}.toggle-row input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent-cyan);cursor:pointer}.save-btn{align-self:flex-start;display:inline-flex;align-items:center;gap:6px;padding:9px 18px;background:var(--accent-cyan);color:#fff;border:none;border-radius:8px;font-size:.85rem;font-weight:700;cursor:pointer;transition:all .15s ease}.save-btn:hover{background:var(--accent-cyan-hover);transform:translateY(-1px)}