@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/dist/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/dist/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/dist/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/dist/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/dist/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/dist/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/dist/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/dist/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/dist/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/dist/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/dist/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/dist/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/dist/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/dist/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/dist/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/dist/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/dist/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/dist/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/dist/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/dist/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(/dist/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/dist/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/dist/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.45"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}:root{--bg: #f6f5f2;--bg-card: #ffffff;--surface: #ecebe6;--ink: #1f2421;--ink-soft: #56605a;--ink-muted: #8a928d;--line: #e0ddd5;--accent: #3d6b5e;--accent-soft: #d5e3dd;--accent-ink: #1f4035;--user-bubble: #1f4035;--user-ink: #f6f5f2;--warn: #b04a44;--radius: 18px;--radius-sm: 12px;--radius-lg: 22px;--shadow: 0 1px 2px rgba(40, 30, 20, .04), 0 6px 20px rgba(40, 30, 20, .05);--shadow-strong: 0 1px 2px rgba(40, 30, 20, .06), 0 12px 32px rgba(40, 30, 20, .08);--font-display: "Fraunces", Georgia, serif;--font-body: "Nunito", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;color-scheme:light}:root[data-theme=dark]{--bg: #161a18;--bg-card: #20262a;--surface: #2a3236;--ink: #ecece9;--ink-soft: #b5b8b3;--ink-muted: #8a8e88;--line: #2e3438;--accent: #7fb89e;--accent-soft: #2a3a35;--accent-ink: #d7ebe2;--user-bubble: #4a8c78;--user-ink: #fbf7f1;--warn: #e87a76;color-scheme:dark}:root[data-theme=dark] .heatmap-cell.lvl-0{background:#232a2c}:root[data-theme=dark] .heatmap-cell.lvl-1{background:#2c4a3e}:root[data-theme=dark] .heatmap-cell.lvl-2{background:#3e6b58}:root[data-theme=dark] .heatmap-cell.lvl-3{background:#569378}:root[data-theme=dark] .heatmap-cell.lvl-4{background:#7fb89e}:root[data-theme=dark] .lv2-hero{background:radial-gradient(ellipse at top,rgba(127,184,158,.08),transparent 70%),var(--bg)}:root[data-theme=dark] .lv2-cta-section{background:linear-gradient(180deg,var(--bg),var(--accent-soft))}:root[data-theme=dark] .word-rotator-word{background:linear-gradient(135deg,#9bd5b9,#b39bf0,#e891b3);-webkit-background-clip:text;background-clip:text}:root[data-theme=dark] .streak-badge{background:#3a2f1a;border-color:#5e4926;color:#f0c878}:root[data-theme=dark] .streak-tile{background:#3a2f1a;border-color:#5e4926}:root[data-theme=dark] .streak-tile .dash-stat-num{color:#f0c878}:root[data-theme=dark] .tag-pill{background:#3d2233;color:#f0a8d0}:root[data-theme=dark] .error-banner{background:#3a1f1d;border-color:#5e2f2c}:root[data-theme=dark] .risk-card{background:#2e1f1d;border-color:#4e2f2c}:root[data-theme=dark] .admin-note textarea{background:#2c2718;border-color:#4a3f1f;color:var(--ink)}:root[data-theme=dark] .teacher-msg-card-student{background:linear-gradient(135deg,#2c2516,#3a2f1a);border-color:#5e4926}:root[data-theme=dark] .tmsg-icon{background:#1a1d1c}:root[data-theme=dark] .tmsg-from{color:#f0c878}:root[data-theme=dark] .search-hit mark{background:#4a3a00;color:#fff4a3}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font-body);font-size:16px;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{font-family:inherit}h1,h2,h3{font-family:var(--font-display);font-weight:600;letter-spacing:-.01em;color:var(--ink);line-height:1.2;margin:0 0 16px}h1{font-size:clamp(28px,5vw,38px)}h2{font-size:clamp(22px,3.6vw,28px)}p{line-height:1.5;margin:0 0 12px}.lead{font-size:18px;color:var(--ink-soft)}.screen{min-height:100dvh;display:flex;flex-direction:column}.screen.center{align-items:center;justify-content:center}.container{width:100%;margin:0 auto;padding:0 20px}.container.narrow{max-width:640px}.center-y{display:flex;flex-direction:column;justify-content:center;flex:1}.topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:10}.topbar-right{display:flex;gap:8px;align-items:center}.logo{font-family:var(--font-display);font-weight:600;font-size:20px;letter-spacing:-.01em}.logo.big{font-size:38px}.lang-toggle{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600;color:var(--ink-soft);cursor:pointer;transition:all .15s ease}.lang-toggle:hover{background:var(--accent-soft);color:var(--accent-ink)}main{flex:1;padding:32px 0}.step{display:flex;flex-direction:column;gap:12px}.mt-lg{margin-top:24px}.input,.textarea{width:100%;font:inherit;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;color:var(--ink);outline:none;transition:border-color .15s ease,box-shadow .15s ease}.textarea{resize:vertical;min-height:80px}.input:focus,.textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:8px}.choices.stacked{grid-template-columns:1fr}.choice{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;font-size:15px;font-weight:500;color:var(--ink);text-align:left;cursor:pointer;transition:all .15s ease}.choice:hover{border-color:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow)}.choice.selected{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-ink);font-weight:600}.btn{border:none;border-radius:var(--radius);padding:14px 24px;font-size:16px;font-weight:600;cursor:pointer;transition:all .15s ease;font-family:inherit}.btn.primary{background:var(--accent);color:#fff;box-shadow:var(--shadow)}.btn.primary:hover:not(:disabled){background:var(--accent-ink);transform:translateY(-1px);box-shadow:var(--shadow-strong)}.btn:disabled{opacity:.5;cursor:not-allowed}.link-btn{background:none;border:none;color:var(--accent);font-size:14px;font-weight:600;padding:8px 4px;cursor:pointer;text-align:left;align-self:flex-start}.link-btn.small{font-size:13px;color:var(--ink-muted)}.link-btn:hover{color:var(--accent-ink)}.profile-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px 22px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow)}.profile-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;border-bottom:1px dashed var(--line);padding-bottom:10px}.profile-row:last-child{border:none;padding-bottom:0}.profile-label{font-size:13px;color:var(--ink-muted);text-transform:uppercase;letter-spacing:.04em;font-weight:600}.profile-value{font-weight:600;text-align:right}.buddy-greet{display:flex;gap:10px;align-items:flex-start}.avatar{width:40px;height:40px;border-radius:50%;background:var(--accent);color:#fff;font-family:var(--font-display);font-weight:600;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:var(--shadow)}.avatar.small{width:32px;height:32px;font-size:14px}.bubble{border-radius:var(--radius);padding:12px 16px;max-width:75%;word-wrap:break-word;line-height:1.45;white-space:pre-wrap}.bubble p{margin:0;white-space:pre-wrap}.bubble.buddy{background:var(--bg-card);border:1px solid var(--line);border-top-left-radius:6px;color:var(--ink)}.bubble.user{background:var(--user-bubble);color:var(--user-ink);border-top-right-radius:6px}.msg-image{display:block;max-width:100%;border-radius:var(--radius-sm);margin-bottom:8px}.chat{padding:0;height:100dvh;display:flex;flex-direction:column;overflow:hidden;position:relative}.chat .topbar{flex-shrink:0}.chat main{flex:1 1 auto;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:24px 0 16px;display:flex;flex-direction:column;gap:14px}.msg-row{display:flex;gap:10px;align-items:flex-end}.msg-buddy{justify-content:flex-start}.msg-user{justify-content:flex-end}.msg-user .bubble{max-width:80%}.bubble.thinking{display:flex;gap:4px;padding:14px 16px}.bubble.thinking span{width:7px;height:7px;border-radius:50%;background:var(--ink-muted);animation:bounce 1.2s infinite ease-in-out}.bubble.thinking span:nth-child(2){animation-delay:.15s}.bubble.thinking span:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,80%,to{transform:translateY(0);opacity:.4}40%{transform:translateY(-5px);opacity:1}}.composer{position:static;flex-shrink:0;background:var(--bg);border-top:1px solid var(--line);padding:14px 0 max(14px,env(safe-area-inset-bottom));z-index:5}.mood-row{display:flex;gap:8px;margin-bottom:10px;flex-wrap:wrap}.mood{border:1px solid var(--line);background:var(--bg-card);border-radius:999px;padding:8px 14px;font-size:13px;font-weight:600;color:var(--ink-soft);cursor:pointer;transition:all .15s ease}.mood:hover:not(:disabled){color:var(--accent-ink);border-color:var(--accent);background:var(--accent-soft)}.mood:disabled{opacity:.5;cursor:not-allowed}.mood.lost:hover:not(:disabled){color:#b06000;border-color:#d4a574;background:#fbf2e6}.mood.why:hover:not(:disabled){color:#5a4a8c;border-color:#b8a8d8;background:#f0ebf8}.input-row{display:flex;gap:8px;align-items:flex-end;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:8px;box-shadow:var(--shadow)}.icon-btn{background:var(--surface);border:none;width:40px;height:40px;border-radius:var(--radius-sm);font-size:18px;cursor:pointer;flex-shrink:0;transition:background .15s ease}.icon-btn:hover:not(:disabled){background:var(--accent-soft)}.icon-btn:disabled{opacity:.5;cursor:not-allowed}.composer-input{flex:1;border:none;background:transparent;resize:none;font:inherit;padding:10px 4px;outline:none;max-height:120px;color:var(--ink)}.composer-input:disabled{opacity:.6}.btn.send{padding:10px 18px;border-radius:var(--radius-sm);align-self:stretch}.pending-image{display:inline-flex;align-items:center;gap:8px;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:6px;margin-bottom:8px}.pending-image img{width:50px;height:50px;object-fit:cover;border-radius:8px}.error-banner{background:#fbe8e6;border:1px solid #f4c4c0;color:var(--warn);padding:10px 14px;border-radius:var(--radius-sm);font-size:14px;margin:6px 0}.fade-in{animation:fadein .4s ease}@keyframes fadein{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.bubble.is-error{background:#fbe8e6!important;border:1px solid #f4c4c0!important;color:var(--warn)}:root[data-theme=dark] .bubble.is-error{background:#3a1f1d!important;border-color:#5e2f2c!important}.bubble-error{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-weight:600;font-size:14px}.bubble-retry{background:var(--warn);color:#fff;border:none;padding:6px 12px;border-radius:999px;font-size:13px;font-weight:700;display:inline-flex;align-items:center;gap:6px;cursor:pointer;font-family:inherit}.bubble-retry:hover{background:#8a3a36}.jump-to-bottom{position:absolute;bottom:96px;right:18px;z-index:6;width:40px;height:40px;border-radius:50%;background:var(--bg-card);border:1px solid var(--line);color:var(--ink);box-shadow:var(--shadow);cursor:pointer;display:flex;align-items:center;justify-content:center;animation:jump-in .25s cubic-bezier(.34,1.56,.64,1)}.jump-to-bottom:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-ink)}@keyframes jump-in{0%{opacity:0;transform:translateY(8px) scale(.85)}to{opacity:1;transform:translateY(0) scale(1)}}.bubble.streaming .cursor{display:inline-block;animation:blink 1s steps(2,start) infinite;margin-left:2px;color:var(--accent)}@keyframes blink{to{visibility:hidden}}.svg-block{margin:10px 0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:8px;display:flex;justify-content:center;box-shadow:0 1px 2px #0000000a}.svg-block svg{display:block;width:100%;height:auto;max-width:400px;border-radius:8px}:root[data-theme=dark] .svg-block{background:#fff}.quick-action{display:inline-flex;align-items:center;gap:6px}.math-line{margin:0 0 8px}.math-line:last-child{margin-bottom:0}.bubble strong{font-weight:700;color:var(--ink)}.bubble em{font-style:italic}.bubble.user strong{color:var(--user-ink)}.bubble .katex{font-size:1.05em;color:inherit}.bubble.buddy .katex{color:var(--ink)}.bubble.buddy .katex-display{margin:12px 0;padding:12px 16px;background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:8px;overflow-x:auto}.bubble.buddy .katex-display>.katex{font-size:1.2em;display:block;text-align:left}.bubble.buddy .katex-display .katex-html{text-align:left}.bubble.buddy .katex:not(.katex-display .katex){padding:1px 4px;background:#5b8c7a0f;border-radius:4px}.bubble.buddy .katex-display{margin:8px 0}.bubble.buddy .katex{font-size:1.05em}.icon-btn.recording{background:#f4c4c0;color:var(--warn);animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{0%,to{box-shadow:0 0 #c2545080}50%{box-shadow:0 0 0 8px #c2545000}}.recording-pill{display:inline-flex;align-items:center;gap:8px;background:#fff0ef;color:var(--warn);padding:8px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:8px;cursor:pointer;border:1px solid #f4c4c0;-webkit-user-select:none;user-select:none}.recording-pill:hover{background:#fbe8e6}.recording-dot{width:8px;height:8px;border-radius:50%;background:var(--warn);animation:pulse-dot 1s ease-in-out infinite}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}.pomo-btn{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600;color:var(--ink-soft);cursor:pointer;transition:all .15s ease;font-family:inherit}.pomo-btn:hover{background:var(--accent-soft);color:var(--accent-ink)}.pomo-btn.active.focus{background:var(--accent-soft);color:var(--accent-ink);border-color:var(--accent)}.pomo-btn.active.break{background:#fbf2e6;color:#b06000;border-color:#d4a574}.break-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#281e148c;display:flex;align-items:center;justify-content:center;z-index:50;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadein .3s ease}.break-card{background:var(--bg);border-radius:var(--radius-lg);padding:32px;text-align:center;max-width:360px;box-shadow:var(--shadow-strong)}.break-emoji{font-size:56px;margin-bottom:8px}.break-timer{font-family:var(--font-display);font-size:36px;font-weight:600;margin:16px 0 24px;color:var(--accent)}.streak-badge{display:inline-flex;align-items:center;gap:4px;padding:6px 10px;background:#fff4e0;border:1px solid #ffd9a3;border-radius:999px;font-size:13px;font-weight:700;color:#b06000}.streak-fire{font-size:14px}.streak-num{font-family:var(--font-display)}.streak-label{font-weight:500;font-size:12px;opacity:.8}.admin{background:var(--bg)}.admin-topbar{padding:14px 24px}.admin-tag{font-family:var(--font-body);font-size:11px;background:var(--accent);color:#fff;padding:2px 8px;border-radius:999px;margin-left:8px;letter-spacing:.05em;vertical-align:middle;text-transform:uppercase;font-weight:700}.admin-nav{display:flex;gap:4px}.admin-nav button{background:none;border:none;padding:8px 14px;border-radius:var(--radius-sm);font-family:inherit;font-size:14px;font-weight:600;color:var(--ink-soft);cursor:pointer}.admin-nav button:hover{background:var(--surface)}.admin-nav button.active{background:var(--accent-soft);color:var(--accent-ink)}.admin-section{padding:24px 0 60px}.admin-loading{padding:40px;text-align:center;color:var(--ink-muted)}.admin-shell{display:grid;grid-template-columns:220px 1fr;min-height:100dvh;background:var(--bg)}.admin-shell.sidebar-collapsed{grid-template-columns:64px 1fr}.admin-sidebar{background:var(--card);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:16px 10px;gap:10px;position:sticky;top:0;height:100dvh}.admin-sidebar-brand{display:flex;align-items:center;gap:10px;padding:4px 8px 14px;border-bottom:1px solid var(--border)}.admin-brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),color-mix(in srgb,var(--accent) 60%,#fff));color:#fff;font-weight:800;font-size:13px;display:grid;place-items:center;letter-spacing:.04em;flex-shrink:0}.admin-brand-text{line-height:1.1}.admin-brand-name{font-weight:700;font-size:14px}.admin-brand-sub{font-size:10px;color:var(--ink-muted);text-transform:uppercase;letter-spacing:.08em}.sidebar-collapsed .admin-brand-text{display:none}.sidebar-collapsed .admin-sidebar-brand{justify-content:center;padding:4px 0 14px}.admin-sidebar-nav{display:flex;flex-direction:column;gap:2px;flex:1}.admin-sidebar-link{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:9px;border:none;background:transparent;color:var(--ink);font-size:13.5px;font-weight:500;cursor:pointer;text-align:left;transition:background .12s,color .12s}.admin-sidebar-link:hover{background:var(--surface)}.admin-sidebar-link.active{background:var(--accent-soft);color:var(--accent);font-weight:700}.admin-sidebar-link svg{flex-shrink:0}.sidebar-collapsed .admin-sidebar-label{display:none}.sidebar-collapsed .admin-sidebar-link{justify-content:center;padding:10px 6px}.admin-sidebar-foot{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--border);padding-top:10px;position:relative}.admin-sidebar-collapse{position:absolute;top:-16px;right:-18px;width:28px;height:28px;border-radius:50%;background:var(--card);border:1px solid var(--border);color:var(--ink-muted);display:grid;place-items:center;cursor:pointer;box-shadow:0 2px 4px #0000000a;transition:transform .2s}.admin-sidebar-collapse:hover{color:var(--accent)}.sidebar-collapsed .admin-sidebar-collapse svg{transform:rotate(180deg)}.admin-main{display:flex;flex-direction:column;min-width:0}.admin-topbar2{display:flex;align-items:center;gap:12px;padding:12px 28px;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:30}.palette-trigger{flex:1;max-width:480px;display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--surface);border:1px solid var(--border);border-radius:10px;color:var(--ink-muted);font-size:13px;cursor:pointer;transition:background .12s,border-color .12s}.palette-trigger:hover{background:var(--card);border-color:var(--accent)}.palette-trigger span{flex:1;text-align:left}.palette-trigger kbd{display:inline-flex;align-items:center;gap:2px;background:var(--card);border:1px solid var(--border);border-radius:6px;padding:2px 6px;font-size:11px;font-family:inherit;color:var(--ink-muted)}.admin-topbar2-right{display:flex;gap:6px}.icon-btn{width:36px;height:36px;border-radius:9px;background:var(--surface);border:1px solid transparent;color:var(--ink);display:grid;place-items:center;cursor:pointer;transition:background .12s,border-color .12s}.icon-btn:hover{background:var(--card);border-color:var(--border)}.admin-content{padding:28px;max-width:1400px;width:100%;box-sizing:border-box}.admin-page{display:flex;flex-direction:column;gap:18px}.admin-page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:4px}.page-title{font-size:24px;font-weight:800;margin:0;letter-spacing:-.01em}.page-sub{color:var(--ink-muted);font-size:13px;margin-top:4px}.adm-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px 18px;box-shadow:0 1px 2px #00000005}.adm-card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.adm-card-title{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-muted);margin:0}.adm-card-body{display:flex;flex-direction:column;gap:10px}.kpi-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}.kpi{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px 14px;display:flex;align-items:center;gap:10px}.kpi.accent{border-color:var(--accent);background:var(--accent-soft)}.kpi-ico{width:32px;height:32px;border-radius:9px;background:var(--surface);color:var(--accent);display:grid;place-items:center;flex-shrink:0}.kpi.accent .kpi-ico{background:var(--card)}.kpi.muted-kpi .kpi-ico{color:var(--ink-muted)}.kpi-value{font-size:20px;font-weight:800;line-height:1.1}.kpi-label{font-size:11px;color:var(--ink-muted);text-transform:uppercase;letter-spacing:.05em;margin-top:2px}.today-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.today-grid .adm-card.span-2{grid-column:span 2}@media (max-width: 1000px){.today-grid{grid-template-columns:1fr}.today-grid .adm-card.span-2{grid-column:auto}}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 900px){.two-col{grid-template-columns:1fr}}.todo-list{display:flex;flex-direction:column;gap:8px}.todo-item{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--surface);border:1px solid var(--border);border-radius:10px;cursor:pointer;text-align:left;transition:transform .1s,border-color .1s}.todo-item:hover:not(:disabled){transform:translate(2px);border-color:var(--accent)}.todo-item:disabled{cursor:default}.todo-item.tone-warn{border-left:3px solid var(--warn, #c25450)}.todo-item.tone-ok{border-left:3px solid var(--accent)}.todo-icon{width:36px;height:36px;border-radius:10px;background:var(--card);color:var(--accent);display:grid;place-items:center;flex-shrink:0}.todo-item.tone-warn .todo-icon{color:var(--warn, #c25450)}.todo-title{font-weight:700;font-size:14px}.todo-sub{color:var(--ink-muted);font-size:12px;margin-top:2px}.risk-list,.top-list{display:flex;flex-direction:column;gap:6px;list-style:none;padding:0;margin:0}.risk-list-item,.top-list-item{display:flex;justify-content:space-between;gap:12px;padding:8px 10px;background:var(--surface);border:1px solid var(--border);border-radius:8px;cursor:pointer;text-align:left;width:100%}.risk-list-item:hover,.top-list-item:hover{border-color:var(--accent)}.risk-list-name{font-weight:600;font-size:13px}.risk-list-tags{color:var(--ink-muted);font-size:12px}.top-count{color:var(--accent);font-weight:700}.quality-dot{display:inline-block;border-radius:50%;flex-shrink:0}.quality-great{background:#4a9d6e}.quality-good{background:#6fb88a}.quality-okay{background:#d4a574}.quality-rough{background:#c25450}.quality-badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:11px;font-weight:700;margin-left:10px;vertical-align:middle;color:#fff}.quality-badge.quality-great{background:#4a9d6e}.quality-badge.quality-good{background:#6fb88a}.quality-badge.quality-okay{background:#d4a574}.quality-badge.quality-rough{background:#c25450}.insight-list{display:flex;flex-direction:column;gap:6px}.insight-row{display:flex;align-items:center;gap:12px;padding:10px 12px;background:var(--surface);border:1px solid var(--border);border-radius:9px;cursor:pointer;text-align:left;transition:border-color .1s,transform .1s}.insight-row:hover{border-color:var(--accent);transform:translate(2px)}.insight-row.tone-high{border-left:3px solid #c25450}.insight-row.tone-medium{border-left:3px solid #d4a574}.insight-row.tone-low{border-left:3px solid #4a9d6e}.insight-emoji{font-size:22px}.insight-title{font-weight:700;font-size:13.5px}.insight-sub{color:var(--ink-muted);font-size:12.5px;margin-top:2px}.compare-chips{display:flex;flex-wrap:wrap;gap:6px}.compare-chip{padding:6px 12px;border-radius:999px;background:var(--surface);border:1px solid var(--border);cursor:pointer;font-size:13px;font-weight:600;color:var(--ink);transition:background .1s,border-color .1s}.compare-chip:hover{border-color:var(--accent)}.compare-chip.on{background:var(--accent);color:#fff;border-color:var(--accent)}.compare-chip.disabled{opacity:.4;cursor:not-allowed}.compare-table{width:100%;border-collapse:collapse;font-size:13px}.compare-table th,.compare-table td{padding:9px 12px;text-align:left;border-bottom:1px solid var(--border)}.compare-table th{background:var(--surface)}.compare-table td:first-child{font-weight:600;color:var(--ink-muted)}.palette-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;justify-content:center;align-items:flex-start;padding-top:12vh;z-index:100;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.palette{background:var(--card);border:1px solid var(--border);border-radius:14px;box-shadow:0 20px 60px #00000040;width:min(560px,92vw);max-height:70vh;display:flex;flex-direction:column;overflow:hidden}.palette-input-wrap{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--border);color:var(--ink-muted)}.palette-input{flex:1;background:transparent;border:none;outline:none;font-size:15px;color:var(--ink)}.palette-input-wrap kbd{font-size:10px;background:var(--surface);border:1px solid var(--border);border-radius:5px;padding:2px 6px}.palette-list{overflow-y:auto;padding:6px;flex:1}.palette-empty{text-align:center;color:var(--ink-muted);padding:30px;font-size:13px}.palette-item{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;background:transparent;border:none;border-radius:8px;cursor:pointer;text-align:left;color:var(--ink)}.palette-item.active{background:var(--accent-soft)}.palette-label{flex:1;font-size:14px;font-weight:500}.palette-sub{color:var(--ink-muted);font-size:12px}.palette-foot{padding:8px 16px;border-top:1px solid var(--border);background:var(--surface);font-size:11px}.bar-chart.tall{height:200px}.exam-stack{display:flex;flex-direction:column;gap:8px}.exam-card{display:flex;align-items:center;gap:14px;padding:14px 16px;background:var(--card);border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:14px;cursor:pointer;text-align:left;width:100%;box-shadow:0 1px 2px #00000008;transition:transform .1s,box-shadow .1s}.exam-card:hover{transform:translateY(-1px);box-shadow:0 4px 12px #0000000f}.exam-card.exam-now{border-left-color:#c25450;background:color-mix(in srgb,#c25450 8%,var(--card))}.exam-card.exam-soon{border-left-color:#e08e3e}.exam-card.exam-close{border-left-color:#d4a574}.exam-card.exam-far{border-left-color:var(--accent)}.exam-icon{width:44px;height:44px;border-radius:11px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;flex-shrink:0}.exam-card.exam-now .exam-icon{background:color-mix(in srgb,#c25450 18%,var(--card));color:#c25450}.exam-body{flex:1;min-width:0}.exam-title{font-weight:700;font-size:15px}.exam-when{color:var(--ink-muted);font-size:13px;margin-top:2px}.exam-topics{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}.exam-topic-chip{padding:2px 8px;border-radius:999px;font-size:11px;background:var(--surface);color:var(--ink-muted);font-weight:600}.exam-topic-chip.muted{opacity:.7}.exam-go{color:var(--accent);font-size:20px;flex-shrink:0}.topic-lib-card{position:relative;padding:0!important;display:flex;align-items:stretch}.topic-lib-main{flex:1;background:transparent;border:none;text-align:left;padding:12px 14px;cursor:pointer;color:inherit}.topic-boss-btn{border:none;background:var(--accent-soft);color:var(--accent);width:38px;cursor:pointer;border-radius:0 11px 11px 0;display:grid;place-items:center;transition:background .12s}.topic-boss-btn:hover{background:var(--accent);color:#fff}.ap-row.exam-now{border-left:3px solid #c25450;padding-left:11px}.ap-row.exam-soon{border-left:3px solid #e08e3e;padding-left:11px}.ap-row.exam-close{border-left:3px solid #d4a574;padding-left:11px}.boss-banner{position:relative;display:flex;align-items:center;justify-content:center;gap:14px;padding:14px 24px;background:linear-gradient(120deg,#2a1338,#4a1a2e 30%,#6e2240,#4a1a2e 80%,#2a1338);background-size:200% 100%;animation:boss-shimmer 4s linear infinite;color:#fff;border-bottom:3px solid #ff3b6b;box-shadow:0 4px 20px #6e224066;overflow:hidden}.boss-banner:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:repeating-linear-gradient(-45deg,transparent,transparent 12px,rgba(255,255,255,.04) 12px,rgba(255,255,255,.04) 24px);pointer-events:none}@keyframes boss-shimmer{0%{background-position:0% 50%}to{background-position:200% 50%}}.boss-banner-text{text-align:center;z-index:1}.boss-banner-label{font-size:11px;letter-spacing:.3em;font-weight:800;color:#ff8fb0;text-shadow:0 0 8px rgba(255,59,107,.6)}.boss-banner-topic{font-size:18px;font-weight:900;letter-spacing:.02em;text-transform:uppercase;text-shadow:0 2px 12px rgba(0,0,0,.5);margin-top:2px}.boss-banner-sword{font-size:24px;filter:drop-shadow(0 0 6px rgba(255,59,107,.8));z-index:1}.boss-banner-sword.left{animation:sword-bounce-l 1.4s ease-in-out infinite}.boss-banner-sword.right{animation:sword-bounce-r 1.4s ease-in-out infinite}@keyframes sword-bounce-l{0%,to{transform:rotate(-10deg) translate(0)}50%{transform:rotate(-20deg) translate(-3px)}}@keyframes sword-bounce-r{0%,to{transform:rotate(10deg) translate(0) scaleX(-1)}50%{transform:rotate(20deg) translate(3px) scaleX(-1)}}.bubble.buddy p{line-height:1.55}.boss-outcome-card{margin:28px 0;padding:36px 28px 30px;border-radius:22px;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:0 12px 40px #00000038;animation:outcome-pop .6s cubic-bezier(.2,1.4,.4,1);animation-fill-mode:both;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:320px;gap:6px}@keyframes outcome-pop{0%{transform:scale(.6);opacity:0}60%{transform:scale(1.05);opacity:1}to{transform:scale(1);opacity:1}}.boss-outcome-card.outcome-won{background:linear-gradient(135deg,#c98a2b,#e9a82f 40%,#f4c952,#e9a82f);background-size:200% 200%;animation:boss-shimmer 5s linear infinite}.boss-outcome-card.outcome-lost{background:linear-gradient(135deg,#3d2f4a,#5b4569,#3d2f4a)}.boss-outcome-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:repeating-linear-gradient(-45deg,transparent,transparent 14px,rgba(255,255,255,.06) 14px,rgba(255,255,255,.06) 28px);pointer-events:none}.boss-outcome-emoji{font-size:80px;line-height:1;filter:drop-shadow(0 6px 16px rgba(0,0,0,.35));animation:trophy-bounce 1.6s ease-in-out infinite;position:relative;z-index:2}@keyframes trophy-bounce{0%,to{transform:translateY(0) rotate(-3deg)}50%{transform:translateY(-8px) rotate(3deg)}}.boss-outcome-title{font-size:28px;font-weight:900;letter-spacing:-.02em;margin-top:14px;text-shadow:0 2px 10px rgba(0,0,0,.3);position:relative;z-index:2}.boss-outcome-sub{font-size:15px;opacity:.95;margin-top:6px;font-weight:600;letter-spacing:.02em;position:relative;z-index:2}.boss-outcome-actions{display:flex;flex-direction:column;gap:8px;align-items:center;margin-top:18px;position:relative;z-index:2;flex-shrink:0}.boss-outcome-emoji,.boss-outcome-title,.boss-outcome-sub{flex-shrink:0;position:relative;z-index:2}.boss-outcome-actions .btn.primary{background:#fff;color:#2a1338;border:none;font-weight:800}.boss-outcome-actions .btn.primary:hover{background:#f5f5f5}.boss-outcome-actions .link-btn{color:#fff;opacity:.85;text-decoration:underline}.boss-outcome-actions .link-btn:hover{opacity:1}.boss-confetti{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden;z-index:1}.boss-confetti .confetti{position:absolute;top:-10%;width:10px;height:14px;border-radius:2px;animation-name:confetti-fall;animation-timing-function:linear;animation-iteration-count:infinite;opacity:.9}.boss-confetti .confetti.c1{background:#ff5e7a}.boss-confetti .confetti.c2{background:#ffd148}.boss-confetti .confetti.c3{background:#6ad6ff}.boss-confetti .confetti.c4{background:#6ee7a8}.boss-confetti .confetti.c5{background:#b48aff}.boss-confetti .confetti.c6{background:#fff}@keyframes confetti-fall{0%{transform:translateY(-20%) rotate(0);opacity:1}to{transform:translateY(900%) rotate(720deg);opacity:.6}}.admin-victory-banner{display:flex;align-items:center;gap:18px;padding:20px 22px;border-radius:16px;background:linear-gradient(135deg,#c98a2b,#e9a82f 40%,#f4c952,#e9a82f);background-size:200% 200%;animation:boss-shimmer 5s linear infinite;color:#fff;box-shadow:0 6px 22px #c98a2b66;position:relative;overflow:hidden;margin:4px 0 12px}.admin-victory-banner:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:repeating-linear-gradient(-45deg,transparent,transparent 14px,rgba(255,255,255,.07) 14px,rgba(255,255,255,.07) 28px);pointer-events:none}.avb-emoji{font-size:52px;filter:drop-shadow(0 4px 12px rgba(0,0,0,.25));animation:trophy-bounce 1.6s ease-in-out infinite;flex-shrink:0;z-index:1}.avb-body{flex:1;z-index:1;min-width:0}.avb-eyebrow{font-size:11px;letter-spacing:.25em;font-weight:800;opacity:.85}.avb-title{font-size:22px;font-weight:900;line-height:1.2;text-shadow:0 2px 8px rgba(0,0,0,.2);margin:4px 0 2px}.avb-title strong{background:#0000002e;padding:1px 8px;border-radius:6px}.avb-sub{font-size:13px;opacity:.92;font-weight:600}.avb-btn{background:#fff!important;color:#2a1338!important;border:none!important;font-weight:800!important;z-index:1;white-space:nowrap;flex-shrink:0}.avb-btn:hover{background:#f5f5f5!important}.boss-runs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:10px}.boss-run-card{display:flex;align-items:center;gap:12px;padding:14px;background:var(--surface);border:1px solid var(--border);border-radius:12px;border-left:4px solid var(--border);position:relative}.boss-run-card.boss-run-won{border-left-color:#d4a022;background:color-mix(in srgb,#f4c952 10%,var(--card))}.boss-run-card.boss-run-lost{border-left-color:#c25450}.boss-run-card.boss-run-active{border-left-color:var(--accent)}.boss-run-card.boss-run-abandoned{border-left-color:#aaa;opacity:.7}.brc-icon{font-size:32px;flex-shrink:0;line-height:1}.brc-body{flex:1;min-width:0}.brc-topic{font-weight:700;font-size:14.5px}.brc-meta{margin-top:3px;font-size:12px}.brc-status{display:inline-block;font-size:10px;font-weight:800;letter-spacing:.08em;padding:2px 7px;border-radius:999px;color:#fff}.brc-status.brc-won{background:#d4a022}.brc-status.brc-lost{background:#c25450}.brc-status.brc-active{background:var(--accent)}.brc-status.brc-aban{background:#aaa}.brc-hp{margin-top:6px;font-size:14px;letter-spacing:1px}.brc-hp .hp-on{color:#c25450}.brc-hp .hp-off{color:var(--border)}.brc-actions{display:flex;flex-direction:column;gap:4px;align-items:flex-end;flex-shrink:0}.test-banner{display:flex;align-items:center;gap:14px;padding:14px 18px;margin-bottom:16px;background:linear-gradient(135deg,#fef6c4,#fde68a);border:1px dashed #c9a227;border-radius:12px;color:#6b4f00}:root[data-theme=dark] .test-banner{background:linear-gradient(135deg,#3a2e0c,#4a3c10);color:#f4d97a;border-color:#6e5817}.test-banner-icon{font-size:24px;line-height:1;flex-shrink:0}.test-banner-body{flex:1;min-width:0}.test-banner-title{font-weight:800;font-size:14px;letter-spacing:.02em}.test-banner-sub{font-size:12.5px;margin-top:2px;opacity:.85}.test-banner-btn{background:#c9a227!important;color:#fff!important;border:none!important;font-weight:700!important;white-space:nowrap;flex-shrink:0}.test-banner-btn:hover{background:#b08a18!important}.test-banner-confirm{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;flex-shrink:0}.test-chip{display:inline-block;margin-left:4px;font-size:12px}.test-badge{display:inline-block;margin-left:8px;padding:2px 9px;border-radius:999px;background:#fde68a;color:#6b4f00;font-size:10px;font-weight:800;letter-spacing:.12em;vertical-align:middle}:root[data-theme=dark] .test-badge{background:#4a3c10;color:#f4d97a}.congrats-suggestions{display:flex;gap:6px;margin:8px 0;flex-wrap:wrap}.congrats-chip{width:32px;height:32px;border-radius:9px;border:1px solid var(--border);background:var(--surface);cursor:pointer;font-weight:700;font-size:13px;color:var(--ink-muted)}.congrats-chip:hover{border-color:var(--accent)}.congrats-chip.on{background:var(--accent);color:#fff;border-color:var(--accent)}.admin-login{display:flex;flex-direction:column;gap:14px;width:320px;padding:32px;background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.admin-login h1{margin:0 0 8px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-top:16px}.stat-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.stat-value{font-family:var(--font-display);font-size:28px;font-weight:600;color:var(--ink);line-height:1}.stat-label{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-muted);margin-top:6px;font-weight:600}.bar-chart{display:flex;align-items:flex-end;gap:6px;height:160px;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-top:8px}.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%;justify-content:flex-end}.bar{width:100%;min-height:2px;background:var(--accent);border-radius:4px 4px 0 0;transition:height .3s ease}.bar-label{font-size:10px;color:var(--ink-muted);font-weight:600}.chip-row{display:flex;flex-wrap:wrap;gap:6px}.chip{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px 12px;font-size:13px;color:var(--ink-soft);font-weight:600}.admin-table{width:100%;border-collapse:collapse;margin-top:8px;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.admin-table th,.admin-table td{padding:10px 14px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}.admin-table th{background:var(--surface);font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-muted);font-weight:700}.admin-table tr:last-child td{border-bottom:none}.admin-table tr.clickable{cursor:pointer;transition:background .1s}.admin-table tr.clickable:hover td{background:var(--accent-soft)}.summary-cell{color:var(--ink-soft);max-width:280px}.muted{color:var(--ink-muted)}.transcript{display:flex;flex-direction:column;gap:10px;margin-top:8px}.transcript-msg{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px}.transcript-msg.user{background:var(--surface)}.transcript-role{font-size:12px;font-weight:700;margin-bottom:4px;color:var(--ink-soft)}.transcript-content{white-space:pre-wrap;line-height:1.45}.transcript-time{font-size:11px;margin-top:6px}.landing-v2{background:var(--bg);color:var(--ink);overflow-x:hidden}.landing-v2 .landing-nav{position:sticky;top:0;z-index:30;background:#fbf7f1d9;backdrop-filter:saturate(180%) blur(10px);-webkit-backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);padding:14px 24px}.lv2-container{width:100%;max-width:1100px;margin:0 auto;padding:0 24px;position:relative;z-index:2}.lv2-container.narrow{max-width:720px}.lv2-hero{position:relative;padding:100px 0 80px;text-align:center;overflow:hidden;background:radial-gradient(ellipse at top,rgba(91,140,122,.08),transparent 70%),var(--bg)}.eyebrow-pulse{display:inline-flex;align-items:center;gap:8px;padding:7px 14px}.eyebrow-pulse .dot{width:8px;height:8px;background:var(--accent);border-radius:50%;animation:pulse-dot-soft 1.8s ease-in-out infinite}@keyframes pulse-dot-soft{0%,to{opacity:.4;transform:scale(.8);box-shadow:0 0 #5b8c7a66}50%{opacity:1;transform:scale(1);box-shadow:0 0 0 6px #5b8c7a00}}.lv2-h1{font-family:var(--font-display);font-weight:600;font-size:clamp(40px,7vw,76px);line-height:1.02;letter-spacing:-.025em;margin:20px 0 22px}.word-rotator{display:inline-block;position:relative;min-width:4ch}.word-rotator-word{display:inline-block;background:linear-gradient(135deg,#5b8c7a,#7c5cf0,#d4488c);-webkit-background-clip:text;background-clip:text;color:transparent;animation:word-fade .55s cubic-bezier(.2,.8,.3,1)}@keyframes word-fade{0%{opacity:0;transform:translateY(12px) rotate(-2deg);filter:blur(4px)}to{opacity:1;transform:translateY(0) rotate(0);filter:blur(0)}}.lv2-sub{font-size:clamp(17px,2.1vw,21px);color:var(--ink-soft);max-width:600px;margin:0 auto 36px;line-height:1.5}.lv2-cta{display:flex;gap:14px;justify-content:center;align-items:center;flex-wrap:wrap}.btn.xlarge{padding:18px 32px;font-size:17px;border-radius:999px;box-shadow:0 8px 28px #5b8c7a40,0 2px 4px #0000000d}.btn.xlarge:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 14px 36px #5b8c7a52,0 2px 4px #0000000d}.lv2-secondary{color:var(--ink-soft);font-weight:600;font-size:15px;text-decoration:none;padding:18px 10px;position:relative}.lv2-secondary:after{content:"";position:absolute;left:10px;right:10px;bottom:14px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:right;transition:transform .3s ease}.lv2-secondary:hover{color:var(--accent-ink)}.lv2-secondary:hover:after{transform:scaleX(1);transform-origin:left}.lv2-cta-sub{margin-top:12px;text-align:center}.hero-deco{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:1;overflow:hidden}.hero-orb{position:absolute;font-size:32px;opacity:0;animation:orb-float 14s ease-in-out infinite;filter:drop-shadow(0 2px 6px rgba(0,0,0,.06))}.hero-orb-0{top:12%;left:8%}.hero-orb-1{top:22%;left:88%;font-size:36px}.hero-orb-2{top:64%;left:6%;font-size:28px}.hero-orb-3{top:78%;left:92%;font-size:30px}.hero-orb-4{top:38%;left:4%;font-size:24px}.hero-orb-5{top:14%;left:78%;font-size:26px}.hero-orb-6{top:58%;left:84%;font-size:32px}.hero-orb-7{top:84%;left:18%;font-size:24px}.hero-orb-8{top:32%;left:92%;font-size:22px}.hero-orb-9{top:70%;left:28%;font-size:28px}@keyframes orb-float{0%,to{transform:translateY(0) rotate(0);opacity:0}10%{opacity:.45}50%{transform:translateY(-30px) rotate(8deg);opacity:.65}90%{opacity:.3}}.hero-blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.4;animation:blob-float 16s ease-in-out infinite}.hero-blob-1{top:-100px;left:-100px;width:400px;height:400px;background:radial-gradient(circle,rgba(91,140,122,.6),transparent)}.hero-blob-2{top:200px;right:-120px;width:350px;height:350px;background:radial-gradient(circle,rgba(124,92,240,.4),transparent);animation-delay:-4s}.hero-blob-3{bottom:-150px;left:30%;width:500px;height:500px;background:radial-gradient(circle,rgba(212,72,140,.3),transparent);animation-delay:-8s}@keyframes blob-float{0%,to{transform:translate(0) scale(1)}33%{transform:translate(40px,-30px) scale(1.1)}66%{transform:translate(-30px,40px) scale(.95)}}.lv2-stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0;background:var(--bg-card)}.lv2-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:24px}.lv2-stat-item{text-align:center}.lv2-stat-num{font-family:var(--font-display);font-size:clamp(28px,4vw,38px);font-weight:600;color:var(--accent-ink);letter-spacing:-.02em;line-height:1}.lv2-stat-label{font-size:12px;text-transform:uppercase;letter-spacing:.06em;font-weight:600;color:var(--ink-muted);margin-top:6px}.lv2-section{padding:90px 0;position:relative;overflow:hidden}.lv2-section-soft{background:var(--surface)}.lv2-h2{font-family:var(--font-display);font-size:clamp(30px,4.2vw,44px);font-weight:600;text-align:center;margin:0 0 16px;letter-spacing:-.02em}.lv2-section-sub{text-align:center;color:var(--ink-soft);font-size:17px;max-width:580px;margin:0 auto 40px}.demo-wrap{max-width:640px;margin:24px auto 0}.demo-switcher{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:22px}.demo-chip{background:var(--bg-card);border:1.5px solid var(--line);border-radius:999px;padding:9px 16px;font-family:inherit;font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:all .18s ease}.demo-chip:hover{border-color:var(--accent);transform:translateY(-1px)}.demo-chip.active{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 6px 16px #5b8c7a4d}.demo-chip-emoji{font-size:18px;line-height:1}.demo-chat{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;min-height:200px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow-strong)}.demo-msg{display:flex;gap:8px;align-items:flex-end}.demo-user{justify-content:flex-end}.demo-buddy{justify-content:flex-start}.demo-avatar{width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-family:var(--font-display);flex-shrink:0}.demo-bubble{max-width:78%;padding:12px 16px;border-radius:18px;font-size:15px;line-height:1.45}.demo-bubble.user{background:var(--accent);color:#fff;border-bottom-right-radius:6px}.demo-bubble.buddy{background:var(--surface);color:var(--ink);border-bottom-left-radius:6px}.pop-in{animation:bubble-pop .4s cubic-bezier(.34,1.56,.64,1)}.lv2-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:20px}.lv2-step{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;transition:all .25s ease}.lv2-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-strong);border-color:var(--accent)}.lv2-step-num{font-family:var(--font-display);font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.08em}.lv2-step h3{font-size:20px;margin:8px 0}.lv2-step p{color:var(--ink-soft);margin:0}.lv2-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:20px}.lv2-feature{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;transition:all .25s ease;position:relative;overflow:hidden}.lv2-feature:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform .3s ease}.lv2-feature:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.lv2-feature:hover:before{transform:scaleY(1)}.lv2-feature-icon{font-size:28px;margin-bottom:10px;display:inline-flex;width:52px;height:52px;background:var(--accent-soft);border-radius:14px;align-items:center;justify-content:center;transition:transform .25s}.lv2-feature:hover .lv2-feature-icon{transform:scale(1.1) rotate(-4deg)}.lv2-feature h3{font-size:17px;margin:8px 0}.lv2-feature p{color:var(--ink-soft);margin:0;font-size:15px}.lv2-bullets{display:flex;flex-direction:column;gap:12px;margin-top:30px}.lv2-bullet{background:var(--bg-card);border-left:4px solid var(--accent);border-radius:var(--radius);padding:16px 22px;font-size:16px;box-shadow:var(--shadow);transition:all .25s ease}.lv2-bullet:hover{transform:translate(4px);background:var(--accent-soft)}.lv2-quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:30px}.lv2-quote{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;margin:0;transition:all .25s ease;position:relative}.lv2-quote:before{content:'"';position:absolute;top:0;left:16px;font-family:var(--font-display);font-size:80px;line-height:1;color:var(--accent-soft);font-weight:700}.lv2-quote:hover{transform:translateY(-3px);box-shadow:var(--shadow-strong)}.lv2-quote blockquote{font-family:var(--font-display);font-size:17px;line-height:1.5;margin:0 0 16px;position:relative;z-index:1}.lv2-quote figcaption{font-size:13px;color:var(--ink-muted);font-weight:700}.lv2-cta-section{background:linear-gradient(180deg,var(--bg),var(--accent-soft));text-align:center;position:relative}.lv2-footer{padding:28px 24px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-muted)}.lv2-footer-row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.3,1)}.reveal.in{opacity:1;transform:translateY(0)}@media (max-width: 640px){.lv2-hero{padding:60px 0 50px}.lv2-section{padding:60px 0}.lv2-h1{margin:14px 0 16px}.lv2-cta{flex-direction:column}.btn.xlarge{width:100%}.lv2-secondary{padding:8px}.demo-chat{padding:16px}.demo-bubble{font-size:14px;padding:10px 14px}}.onboarding-v2{min-height:100dvh;display:flex;flex-direction:column;background:var(--bg)}.onboarding-v2 .onboard-topbar{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;padding:14px 20px;border-bottom:1px solid var(--line)}.obv2-progress{background:var(--line);height:4px;border-radius:999px;overflow:hidden;max-width:200px;width:100%;justify-self:center}.obv2-progress-bar{height:100%;background:var(--accent);transition:width .4s cubic-bezier(.2,.8,.3,1);border-radius:999px}.onboard-frame{flex:1;display:flex;justify-content:center;padding:20px;min-height:0}.chat-window{width:100%;max-width:540px;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);display:flex;flex-direction:column;box-shadow:var(--shadow);overflow:hidden;max-height:calc(100dvh - 110px)}.chat-scroll{flex:1;overflow-y:auto;padding:24px 20px 16px;display:flex;flex-direction:column;gap:8px;scroll-behavior:smooth}.obv2-row{display:flex;gap:8px;align-items:flex-end;margin:2px 0}.obv2-row.is-buddy{justify-content:flex-start}.obv2-row.is-user{justify-content:flex-end}.avatar-gap{width:32px;flex-shrink:0}.obv2-bubble{max-width:78%;padding:10px 14px;border-radius:18px;font-size:15px;line-height:1.4;word-wrap:break-word}.obv2-bubble.buddy{background:var(--surface);color:var(--ink);border-bottom-left-radius:6px}.obv2-bubble.user{background:var(--accent);color:#fff;border-bottom-right-radius:6px}.is-buddy+.is-buddy .obv2-bubble.buddy{border-top-left-radius:8px}.is-user+.is-user .obv2-bubble.user{border-top-right-radius:8px}.thinking-bubble{display:flex;gap:4px;padding:14px 16px}.thinking-bubble span{width:7px;height:7px;border-radius:50%;background:var(--ink-muted);animation:bounce 1.2s infinite ease-in-out}.thinking-bubble span:nth-child(2){animation-delay:.15s}.thinking-bubble span:nth-child(3){animation-delay:.3s}.chat-dock{border-top:1px solid var(--line);padding:14px 18px 18px;background:var(--bg-card)}.dock-quick{display:flex;flex-wrap:wrap;gap:8px}.quick-btn{background:var(--bg-card);border:1.5px solid var(--line);border-radius:999px;padding:10px 16px;font-family:inherit;font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;transition:all .15s;display:inline-flex;align-items:center;gap:6px}.quick-btn:hover:not(:disabled){border-color:var(--accent);background:var(--accent-soft);color:var(--accent-ink);transform:translateY(-1px)}.quick-btn:disabled{opacity:.5;cursor:not-allowed}.quick-btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.quick-btn.primary:hover:not(:disabled){background:var(--accent-ink);border-color:var(--accent-ink);color:#fff}.quick-btn.ghost{color:var(--ink-muted);border-color:transparent}.quick-btn.ghost:hover{background:var(--surface);border-color:var(--line);color:var(--ink)}.quick-btn.big{padding:14px 24px;font-size:16px;width:100%;justify-content:center}.quick-emoji{font-size:18px;line-height:1}.dock-input{display:flex;gap:8px;align-items:center}.dock-text{flex:1;border:1.5px solid var(--line);border-radius:999px;padding:10px 18px;font:inherit;font-size:15px;outline:none;background:var(--surface);color:var(--ink)}.dock-text:focus{border-color:var(--accent);background:var(--bg-card);box-shadow:0 0 0 3px var(--accent-soft)}.dock-send{background:var(--accent);color:#fff;border:none;width:40px;height:40px;border-radius:50%;font-size:20px;cursor:pointer;flex-shrink:0;transition:all .15s}.dock-send:disabled{background:var(--line);cursor:not-allowed}.dock-send:not(:disabled):hover{background:var(--accent-ink);transform:scale(1.05)}.dock-skip{flex-shrink:0}.dock-summary{display:flex;flex-direction:column;gap:12px}.summary-mini{background:var(--accent-soft);border:1px solid var(--accent);border-radius:14px;padding:14px 16px;display:flex;flex-direction:column;gap:4px}.summary-row{display:flex;align-items:center;gap:6px;font-size:14px}.summary-row.small{font-size:12px}@media (max-width: 540px){.onboard-frame{padding:8px}.chat-window{max-height:calc(100dvh - 80px);border-radius:var(--radius)}.obv2-bubble{font-size:14.5px}.quick-btn{font-size:13px;padding:9px 14px}.chat-scroll{padding:18px 14px 12px}.chat-dock{padding:12px 14px 14px}}.bubble-pop{animation:bubble-pop .32s cubic-bezier(.34,1.56,.64,1)}@keyframes bubble-pop{0%{opacity:0;transform:translateY(6px) scale(.94)}60%{transform:translateY(-1px) scale(1.02)}to{opacity:1;transform:translateY(0) scale(1)}}.onboarding{position:relative;overflow-x:hidden}.onboard-main{padding-top:40px!important;padding-bottom:60px}.chat-stack{display:flex;flex-direction:column;gap:14px}.chat-row{margin:0;animation:bubble-pop .35s cubic-bezier(.34,1.56,.64,1)}.chat-row .bubble{max-width:78%}.avatar-spacer{width:32px;flex-shrink:0}.mt-md{margin-top:12px}.chat-input-row{display:flex;gap:8px;align-items:center}.chat-input-row .input{flex:1}.chat-input-row .btn.small{font-size:18px;padding:10px 16px;border-radius:var(--radius);flex-shrink:0}.onboard-progress{display:flex;gap:6px}.onboard-dot{width:8px;height:8px;border-radius:50%;background:var(--line);transition:all .3s ease}.onboard-dot.active{background:var(--accent);transform:scale(1.1)}.floating-deco{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden;z-index:0}.float-emoji{position:absolute;font-size:28px;opacity:0;filter:blur(.3px) drop-shadow(0 2px 4px rgba(0,0,0,.05));animation:float-up 12s ease-in-out infinite}.float-0{top:80%;left:10%}.float-1{top:90%;left:30%}.float-2{top:85%;left:55%;font-size:32px}.float-3{top:95%;left:80%}.float-4{top:88%;left:92%;font-size:24px}.float-5{top:80%;left:18%;font-size:36px}.float-6{top:92%;left:42%}.float-7{top:86%;left:68%;font-size:30px}.float-8{top:90%;left:5%;font-size:26px}.float-9{top:95%;left:60%}.float-10{top:82%;left:75%;font-size:22px}.float-11{top:88%;left:25%;font-size:34px}@keyframes float-up{0%{transform:translateY(0) rotate(0);opacity:0}10%{opacity:.5}50%{opacity:.7}90%{opacity:.4}to{transform:translateY(-110vh) rotate(180deg);opacity:0}}.onboarding .topbar{position:relative;z-index:2}.onboarding main{position:relative;z-index:1}.welcome-cta{display:flex;flex-direction:column;gap:10px;align-items:flex-start;margin-top:18px}.welcome-cta .btn.large{width:100%}.bubble-pop{animation:bubble-pop .4s cubic-bezier(.34,1.56,.64,1)}@keyframes bubble-pop{0%{opacity:0;transform:translateY(8px) scale(.92)}60%{transform:translateY(-2px) scale(1.04)}to{opacity:1;transform:translateY(0) scale(1)}}.step-slide{animation:slide-in .35s cubic-bezier(.2,.8,.3,1)}@keyframes slide-in{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.summary-card{border:2px solid var(--accent);background:linear-gradient(180deg,var(--bg-card),var(--accent-soft))}.interest-picker{display:flex;flex-direction:column;gap:16px}.interest-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}.subinterest-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px}.choice.interest-tile,.choice.sub-tile{display:flex;align-items:center;gap:10px;font-size:14px}.interest-emoji{font-size:22px;flex-shrink:0;line-height:1}.subinterest-q{font-size:17px;margin:12px 0 4px}.specifics{margin-top:14px;display:flex;flex-direction:column;gap:8px}.interest-preview{padding:8px 12px;background:var(--surface);border-radius:var(--radius-sm);font-style:italic}.dash-greet-emoji{display:inline-block;margin-left:12px;font-size:.9em;transform:translateY(-2px);filter:drop-shadow(0 1px 2px rgba(0,0,0,.08))}.toast-stack{position:fixed;bottom:24px;right:24px;z-index:100;display:flex;flex-direction:column;gap:10px;align-items:flex-end;pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:center;gap:10px;background:var(--bg-card);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius);padding:12px 18px;box-shadow:var(--shadow-strong);font-family:inherit;font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;max-width:360px;text-align:left;animation:toast-in .25s ease}.toast-icon{width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0}.toast-success{border-left-color:var(--accent)}.toast-error{border-left-color:var(--warn)}.toast-error .toast-icon{background:var(--warn)}.toast-warning{border-left-color:#d4a574}.toast-warning .toast-icon{background:#d4a574}.toast-info .toast-icon{background:var(--ink-soft)}@keyframes toast-in{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@media (max-width: 480px){.toast-stack{left:12px;right:12px;bottom:12px;align-items:stretch}.toast{max-width:100%}}.heatmap{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px}.heatmap-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-muted);margin-bottom:12px}.heatmap-grid{display:grid;grid-template-columns:repeat(14,1fr);gap:4px}.heatmap-cell{aspect-ratio:1;border-radius:4px;position:relative;background:var(--surface);display:flex;align-items:flex-end;justify-content:center;padding:2px}.heatmap-cell.lvl-0{background:#f0eadf}.heatmap-cell.lvl-1{background:#cde4d8}.heatmap-cell.lvl-2{background:#a8d0bf}.heatmap-cell.lvl-3{background:#7eb89e}.heatmap-cell.lvl-4{background:var(--accent)}.heatmap-day{font-size:8px;font-weight:700;color:#0006;line-height:1}.heatmap-cell.lvl-3 .heatmap-day,.heatmap-cell.lvl-4 .heatmap-day{color:#ffffffb3}.heatmap-legend{display:flex;align-items:center;gap:4px;margin-top:10px;justify-content:flex-end}.heatmap-cell.mini{width:12px;aspect-ratio:1}.msg-col{display:flex;flex-direction:column;align-items:inherit;gap:4px;max-width:80%}.msg-buddy .msg-col{align-items:flex-start}.msg-user .msg-col{align-items:flex-end}.msg-col .bubble{max-width:100%}.msg-topic-chip{background:var(--accent);color:#fff;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.03em}.action-chip{background:var(--card);border:1px solid var(--border);color:var(--ink-muted);padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis}.msg-action-row{opacity:.85}.msg-meta{display:flex;gap:6px;align-items:center;font-size:11px;color:var(--ink-muted);height:16px}.msg-time{font-variant-numeric:tabular-nums}.msg-action{background:none;border:none;padding:0 4px;font-size:12px;cursor:pointer;opacity:0;transition:opacity .15s}.msg-action.visible{opacity:1}.msg-action:hover{opacity:1;transform:scale(1.15)}.bubble.summary{border:2px solid var(--accent);background:linear-gradient(180deg,var(--bg-card),var(--accent-soft))}.celebration{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:80;pointer-events:none;background:#fbf7f14d;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);animation:celebrate-fade 2.4s ease forwards}.celebration-burst{font-size:100px;animation:burst 1.6s cubic-bezier(.34,1.56,.64,1)}.celebration-text{font-family:var(--font-display);font-size:32px;font-weight:600;color:var(--accent-ink);margin-top:8px;animation:burst 1.6s cubic-bezier(.34,1.56,.64,1) .1s backwards}@keyframes burst{0%{opacity:0;transform:scale(.4)}40%{opacity:1;transform:scale(1.15)}60%{transform:scale(1)}}@keyframes celebrate-fade{0%,70%{opacity:1}to{opacity:0}}.settings-main{padding:32px 0 80px;display:flex;flex-direction:column;gap:24px}.settings-section{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;display:flex;flex-direction:column;gap:4px}.settings-section h2{margin:0 0 12px}.settings-section h3{margin:20px 0 8px;font-size:16px}.settings-form{display:flex;flex-direction:column;gap:10px;margin-top:8px}.settings-section.danger-zone{border-color:var(--warn)}.settings-section.danger-zone h2{color:var(--warn)}.btn.danger{background:var(--warn);color:#fff}.btn.danger:hover:not(:disabled){background:#a83e3a}.dashboard-main{padding:24px 0 100px;display:flex;flex-direction:column;gap:16px}.dashboard-main.with-bottom-nav{padding-bottom:110px}.topbar-clean{padding:14px 20px;border-bottom:1px solid var(--line)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:#fffffff5;backdrop-filter:saturate(180%) blur(10px);-webkit-backdrop-filter:saturate(180%) blur(10px);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);padding:6px 0 max(6px,env(safe-area-inset-bottom));z-index:30}:root[data-theme=dark] .bottom-nav{background:#141918f5}.bn-tab{background:none;border:none;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 6px;cursor:pointer;color:var(--ink-muted);font-family:inherit;transition:color .15s}.bn-tab:hover{color:var(--ink-soft)}.bn-tab.active{color:var(--accent-ink)}.bn-tab.active .bn-icon{transform:scale(1.15)}.bn-icon{width:22px;height:22px;line-height:1;transition:transform .2s cubic-bezier(.34,1.56,.64,1)}.bn-label{font-size:11px;font-weight:700;letter-spacing:.02em}.tab-body{display:flex;flex-direction:column;gap:16px}.tab-title{margin:0 0 4px;font-size:22px;font-family:var(--font-display);font-weight:600;display:flex;align-items:center;gap:10px}.title-icon{color:var(--accent);vertical-align:middle}.weekly-goal-title,.topic-lib-title,.assign-stack-title,.ach-strip-title{display:inline-flex;align-items:center;gap:8px}.empty-state{display:flex;flex-direction:column;align-items:center;gap:12px;padding:40px 20px;text-align:center}.me-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:16px 18px;display:flex;flex-direction:column;gap:10px}.me-row{display:flex;justify-content:space-between;align-items:baseline;gap:10px}.me-actions{display:flex;flex-direction:column;gap:8px;margin-top:8px}.me-btn{display:flex;align-items:center;gap:14px;padding:14px 16px;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);font-family:inherit;font-size:15px;font-weight:600;color:var(--ink);cursor:pointer;text-align:left;transition:all .15s}.me-btn:hover{background:var(--accent-soft);border-color:var(--accent)}.me-btn-icon{width:32px;height:32px;background:var(--surface);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--accent-ink);flex-shrink:0}.me-btn-go{margin-left:auto;color:var(--ink-muted)}.me-btn-danger .me-btn-icon{color:var(--warn);background:#fbe8e6}:root[data-theme=dark] .me-btn-danger .me-btn-icon{background:#3a1f1d}.btn-with-icon,.link-with-icon{display:inline-flex;align-items:center;gap:8px;justify-content:center}.me-btn-danger{color:var(--warn)}.me-btn-danger:hover{background:#fbe8e6;border-color:var(--warn);color:var(--warn)}.me-foot{text-align:center;margin-top:16px}@media (max-width: 480px){.dashboard-main{padding-left:16px;padding-right:16px}}.dash-hero{text-align:center;padding:12px 0 8px}.dash-greet{font-family:var(--font-display);font-size:clamp(28px,5vw,38px);font-weight:600;letter-spacing:-.01em;margin:0 0 6px}.dash-quote{color:var(--ink-soft);font-style:italic;margin:0;font-size:15px}.dash-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.dash-stat{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:16px 18px;display:flex;align-items:center;gap:10px;min-width:0}.dash-stat.streak-tile{background:#fff4e0;border-color:#ffd9a3}.dash-stat-emoji{font-size:28px;flex-shrink:0}.dash-stat-num{font-family:var(--font-display);font-size:24px;font-weight:700;line-height:1;color:var(--ink)}.streak-tile .dash-stat-num{color:#b06000}.dash-stat-label{font-size:12px;color:var(--ink-muted);text-transform:uppercase;letter-spacing:.04em;font-weight:600;margin-top:4px}.dash-recap{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow)}.dash-recap-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;flex-wrap:wrap;gap:8px}.dash-recap-eyebrow{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--accent)}.dash-recap-intent{font-size:12px;font-weight:700;background:var(--accent-soft);color:var(--accent-ink);padding:4px 10px;border-radius:999px;text-transform:uppercase;letter-spacing:.04em}.dash-recap-summary{font-family:var(--font-display);font-size:17px;line-height:1.5;color:var(--ink);margin:0}.dash-recap-summary.muted{font-family:var(--font-body);font-size:14px;font-style:italic}.dash-recap-summary .math-line{font-family:var(--font-display);font-size:17px;line-height:1.5;color:var(--ink);margin:0 0 8px}.dash-recap-summary .math-line:last-child{margin-bottom:0}.dash-recap-summary .katex{padding:1px 4px;background:#5b8c7a14;border-radius:4px;font-size:1em}.dash-recap-summary .katex-display{margin:8px 0;padding:8px 12px;background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:6px}.dash-recap-moods{margin-top:10px}.dash-recap.clickable{width:100%;text-align:left;cursor:pointer;font-family:inherit;color:inherit;transition:all .15s ease}.dash-recap.clickable:hover{border-color:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow-strong)}.dash-recap-footer{display:flex;justify-content:space-between;align-items:center;margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);gap:8px;flex-wrap:wrap}.dash-recap-cta{color:var(--accent);font-weight:700;font-size:14px}.dash-firsttime{background:var(--bg-card);border:1px dashed var(--accent);border-radius:var(--radius-lg);padding:22px;text-align:center}.dash-firsttime h2{margin:0 0 8px}.dash-cta{width:100%;align-self:stretch;margin-top:6px}@media (max-width: 480px){.dash-stats{grid-template-columns:1fr}.dash-stat{padding:12px 14px}}.warmup-progress{display:flex;gap:8px}.warmup-progress .dot{width:8px;height:8px;border-radius:50%;background:var(--line);transition:background .2s ease}.warmup-progress .dot.active{background:var(--accent)}.warmup-actions{display:flex;justify-content:space-between;align-items:center;margin-top:18px}.time-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.time-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px;text-align:left;cursor:pointer;font-family:inherit;transition:all .15s ease}.time-card:hover{border-color:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow)}.time-card.selected{background:var(--accent-soft);border-color:var(--accent)}.time-card-label{font-family:var(--font-display);font-weight:600;font-size:17px;color:var(--ink);margin-bottom:4px}.time-card-sub{font-size:13px}@media (max-width: 480px){.time-grid{grid-template-columns:1fr}}.resume-card{background:var(--bg-card);border:1px solid var(--accent);border-radius:var(--radius-lg);padding:16px 18px;display:flex;align-items:center;gap:14px;margin-bottom:24px;box-shadow:0 4px 14px #5b8c7a1f;animation:fadein .3s ease}.resume-icon{font-size:22px;flex-shrink:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--accent-soft);border-radius:50%}.resume-body{flex:1;min-width:0}.resume-title{font-weight:600;font-family:var(--font-display);font-size:16px;margin-bottom:2px}.resume-sub{font-size:13px}.resume-eyebrow{font-size:10px;font-weight:800;letter-spacing:.18em;color:var(--warn, #c25450);margin-bottom:3px}.resume-card.resume-unfinished{border:2px solid #c25450;background:color-mix(in srgb,#c25450 6%,var(--bg-card));box-shadow:0 4px 18px #c2545026}.resume-card.resume-unfinished .resume-icon{background:color-mix(in srgb,#c25450 18%,var(--bg-card))}.resume-actions{display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex-shrink:0}@media (max-width: 480px){.resume-card{flex-wrap:wrap;gap:10px}.resume-actions{flex-direction:row;width:100%;justify-content:space-between}}.user-menu{position:relative}.user-menu-btn{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600;color:var(--ink-soft);cursor:pointer;list-style:none;font-family:inherit}.user-menu-btn::-webkit-details-marker{display:none}.user-menu-btn:hover{background:var(--accent-soft);color:var(--accent-ink)}.user-menu-panel{position:absolute;top:calc(100% + 6px);right:0;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;min-width:200px;box-shadow:var(--shadow-strong);z-index:20}.user-email{font-size:13px;color:var(--ink-soft);word-break:break-all;border-bottom:1px dashed var(--line);padding-bottom:8px;margin-bottom:8px}.auth-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;width:100%;max-width:420px;margin:0 auto;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px}.auth-card h1{margin:0 0 4px}.field-label{display:block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-muted);margin-top:14px;margin-bottom:6px}.auth-switch{text-align:center;font-size:14px;margin-top:14px}.link-btn.inline{display:inline;font-size:14px;padding:0}.landing{background:var(--bg);color:var(--ink)}.landing-nav{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;position:sticky;top:0;background:#fbf7f1eb;-webkit-backdrop-filter:saturate(180%) blur(8px);backdrop-filter:saturate(180%) blur(8px);z-index:30;border-bottom:1px solid var(--line)}.landing-nav-right{display:flex;gap:8px;align-items:center}.btn.small{padding:8px 14px;font-size:14px}.btn.large{padding:18px 28px;font-size:17px}.hero{padding:80px 0 60px;text-align:center}.eyebrow{display:inline-block;background:var(--accent-soft);color:var(--accent-ink);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin-bottom:22px}.hero-title{font-size:clamp(38px,7vw,64px);line-height:1.05;letter-spacing:-.02em;margin:0 0 24px;font-weight:600}.accent-text{color:var(--accent)}.hero-sub{font-size:clamp(17px,2.3vw,20px);color:var(--ink-soft);max-width:560px;margin:0 auto 32px;line-height:1.5}.hero-cta{display:flex;flex-direction:column;align-items:center;gap:8px}.muted.small{font-size:13px}.hero-preview{margin-top:60px;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;max-width:460px;margin-left:auto;margin-right:auto;box-shadow:var(--shadow-strong);display:flex;flex-direction:column;gap:10px;text-align:left}.preview-msg{display:flex;gap:8px;align-items:flex-end}.preview-msg.user{justify-content:flex-end}.preview-msg .bubble p{margin:0}.section{padding:70px 0}.section.bg-surface{background:var(--surface)}.section-title{font-size:clamp(28px,4vw,38px);text-align:center;margin:0 0 40px;letter-spacing:-.01em}.center-text{text-align:center}.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}.step-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px}.step-card h3{margin:6px 0 8px;font-size:20px}.step-card p{color:var(--ink-soft);margin:0}.step-num{font-family:var(--font-display);font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.06em}.example-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.example-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;display:flex;flex-direction:column;gap:10px}.example-tag{align-self:flex-start;background:var(--accent-soft);color:var(--accent-ink);padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.example-q{font-size:15px;color:var(--ink-soft)}.example-a{font-family:var(--font-display);font-size:17px;line-height:1.4;color:var(--ink)}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}.feature-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px}.feature-icon{font-size:26px;margin-bottom:4px}.feature-card h3{margin:6px 0;font-size:18px}.feature-card p{color:var(--ink-soft);margin:0;font-size:15px}.forwhom-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:12px;max-width:600px;margin:0 auto}.forwhom-list li{background:var(--bg-card);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius);padding:14px 18px;font-size:16px}.cta-section{padding:90px 0}.landing-footer{border-top:1px solid var(--line);padding:24px;font-size:14px;color:var(--ink-muted)}.landing-footer .container{display:flex;justify-content:space-between;align-items:center}.dash-hero{position:relative}.dash-floating{position:absolute;top:-20px;right:-20px;bottom:0;left:-20px;pointer-events:none;z-index:0;overflow:hidden}.dash-float{position:absolute;font-size:22px;opacity:0;filter:drop-shadow(0 2px 4px rgba(0,0,0,.08));animation:dash-float-up 14s ease-in-out infinite}.dash-float-0{top:60%;left:6%;font-size:24px}.dash-float-1{top:80%;left:22%}.dash-float-2{top:70%;left:50%;font-size:26px}.dash-float-3{top:75%;left:78%;font-size:28px}.dash-float-4{top:85%;left:92%}.dash-float-5{top:65%;left:14%;font-size:20px}.dash-float-6{top:88%;left:64%}.dash-float-7{top:72%;left:88%;font-size:22px}.dash-float-8{top:90%;left:34%;font-size:24px}.dash-float-9{top:78%;left:4%}@keyframes dash-float-up{0%{transform:translateY(0) rotate(0);opacity:0}15%{opacity:.5}60%{opacity:.45}to{transform:translateY(-200px) rotate(180deg);opacity:0}}.dash-greet,.dash-quote{position:relative;z-index:1}.weekly-goal{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:16px 18px;display:flex;flex-direction:column;gap:10px}.weekly-goal.done{background:linear-gradient(135deg,var(--accent-soft),var(--bg-card));border-color:var(--accent)}.weekly-goal-head{display:flex;justify-content:space-between;align-items:center}.weekly-goal-title{font-family:var(--font-display);font-weight:600;font-size:17px}.weekly-goal-edit{display:inline-flex;align-items:center;gap:6px}.weekly-goal-edit .input.small{padding:4px 8px;width:60px;font-size:14px}.weekly-goal-row{display:flex;align-items:center;gap:12px}.weekly-goal-num{font-family:var(--font-display);font-size:20px;flex-shrink:0}.weekly-goal-num .muted{font-size:13px;font-family:var(--font-body);margin-left:4px}.weekly-goal-bar{flex:1;height:10px;background:var(--surface);border-radius:999px;overflow:hidden}.weekly-goal-fill{height:100%;background:linear-gradient(90deg,var(--accent),#7c5cf0);border-radius:999px;transition:width .5s ease}.weekly-goal-badge{background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;flex-shrink:0}.topic-lib{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:16px 18px}.topic-lib-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.topic-lib-title{font-family:var(--font-display);font-weight:600;font-size:17px}.topic-lib-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:8px}.topic-lib-card{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius-sm);padding:12px 14px;text-align:left;font-family:inherit;color:var(--ink);cursor:pointer;transition:all .15s}.topic-lib-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.topic-lib-card.topic-tough{border-left-color:var(--warn)}.topic-lib-card.topic-ok{border-left-color:#d4a574}.topic-lib-name{font-weight:700;font-size:14px;margin-bottom:4px}.invoice-modal{background:var(--bg-card);border-radius:var(--radius-lg);width:100%;max-width:720px;max-height:90vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--shadow-strong)}.invoice-toolbar{padding:14px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}.invoice-doc{padding:24px;overflow-y:auto;background:#fff;color:#222}:root[data-theme=dark] .invoice-doc{background:var(--bg-card);color:var(--ink)}.invoice-head{display:flex;justify-content:space-between;gap:20px;margin-bottom:20px;border-bottom:2px solid var(--line);padding-bottom:14px}.invoice-head h1{font-size:28px;margin:0}.invoice-from{text-align:right;font-size:14px}.invoice-table{width:100%;border-collapse:collapse;margin-top:12px}.invoice-table th,.invoice-table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}.invoice-table th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-muted)}.invoice-table tfoot td{border-bottom:none;border-top:2px solid var(--line);font-size:15px}.invoice-table .num{text-align:right;font-variant-numeric:tabular-nums}@media print{.no-print{display:none!important}.teacher-msg-modal{background:#fff!important;top:0!important;right:0!important;bottom:0!important;left:0!important;align-items:flex-start!important;padding:0!important;-webkit-backdrop-filter:none!important;backdrop-filter:none!important}.invoice-modal{box-shadow:none!important;max-height:none!important;border-radius:0!important;max-width:100%!important}.invoice-doc{padding:20px!important}}.mascot-wrap{flex-shrink:0;display:flex;align-items:center;justify-content:center}.mascot-wrap.small{width:36px;height:36px}.mascot{display:block;animation:mascot-breathe 4s ease-in-out infinite;transform-origin:50% 80%;overflow:visible}.mascot-thinking{animation:mascot-think 1.8s ease-in-out infinite}.mascot-happy{animation:mascot-bounce 1.6s cubic-bezier(.34,1.56,.64,1) infinite}@keyframes mascot-breathe{0%,to{transform:scale(1) translateY(0)}50%{transform:scale(1.03) translateY(-2px)}}@keyframes mascot-think{0%,to{transform:translateY(0) rotate(0)}25%{transform:translateY(-2px) rotate(-3deg)}75%{transform:translateY(-1px) rotate(2deg)}}@keyframes mascot-bounce{0%,to{transform:translateY(0) rotate(0)}35%{transform:translateY(-8px) rotate(-4deg) scale(1.04)}70%{transform:translateY(-2px) rotate(3deg) scale(1.02)}}.mascot-antenna{transform-origin:100px 56px;animation:mascot-antenna 3.2s ease-in-out infinite}@keyframes mascot-antenna{0%,to{transform:rotate(-4deg)}50%{transform:rotate(4deg)}}.mascot-sparkles text{animation:mascot-twinkle 2s ease-in-out infinite;transform-origin:center}.mascot-sparkles text:nth-child(2){animation-delay:.4s}.mascot-sparkles text:nth-child(3){animation-delay:.8s}@keyframes mascot-twinkle{0%,to{opacity:.2;transform:scale(.7)}50%{opacity:1;transform:scale(1.15)}}.mascot-thoughts circle{animation:mascot-thought 1.6s ease-in-out infinite}.mascot-thoughts circle:nth-child(2){animation-delay:.2s}.mascot-thoughts circle:nth-child(3){animation-delay:.4s}@keyframes mascot-thought{0%,to{opacity:.3;transform:translateY(0)}50%{opacity:.9;transform:translateY(-2px)}}.dash-mascot{display:flex;justify-content:center;margin-bottom:8px;position:relative;z-index:2}.dash-mascot .mascot{filter:drop-shadow(0 6px 16px rgba(0,0,0,.1))}.end-card-mascot{margin-top:-8px;margin-bottom:4px;display:flex;justify-content:center}.end-card-mascot .mascot{filter:drop-shadow(0 4px 10px rgba(0,0,0,.12))}.celebration-mascot{animation:burst 1.6s cubic-bezier(.34,1.56,.64,1)}.celebration-mascot .mascot{filter:drop-shadow(0 8px 22px rgba(0,0,0,.2))}.demo-avatar{background:transparent!important;padding:0;width:auto!important;height:auto!important}.end-card{background:linear-gradient(180deg,var(--bg-card),var(--accent-soft));border:2px solid var(--accent);border-radius:var(--radius-lg);padding:24px 22px;margin:14px 0 80px;scroll-margin-bottom:24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:8px;box-shadow:var(--shadow)}.end-card-emoji{font-size:48px;line-height:1;animation:end-bounce 1s cubic-bezier(.34,1.56,.64,1)}@keyframes end-bounce{0%{transform:scale(.5) rotate(-15deg);opacity:0}60%{transform:scale(1.15) rotate(8deg)}to{transform:scale(1) rotate(0);opacity:1}}.end-card-title{font-family:var(--font-display);font-size:24px;font-weight:700;color:var(--accent-ink);margin-bottom:4px}.end-card-stats{display:flex;gap:18px;margin:6px 0 14px}.end-stat{display:flex;flex-direction:column;align-items:center;gap:2px}.end-stat-num{font-family:var(--font-display);font-size:18px;font-weight:700;color:var(--ink)}.end-stat-lbl{font-size:11px;text-transform:uppercase;letter-spacing:.05em;font-weight:600;color:var(--ink-muted)}.end-card-actions{display:flex;flex-direction:column;align-items:center;gap:8px;width:100%;max-width:280px}.end-card-actions .btn{width:100%}.end-card-actions .link-btn{font-size:14px}@media (max-width: 480px){.end-card{padding:20px 16px}.end-card-emoji{font-size:40px}.end-card-title{font-size:20px}}.avatar-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(48px,1fr));gap:6px;margin-top:8px}.avatar-pick{background:var(--surface);border:1.5px solid var(--line);border-radius:50%;width:48px;height:48px;font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;font-family:inherit}.avatar-pick:hover{transform:translateY(-1px);border-color:var(--accent)}.avatar-pick.selected{background:var(--accent-soft);border-color:var(--accent);transform:scale(1.05);box-shadow:0 2px 8px #5b8c7a40}.user-avatar-on-msg{background:var(--user-bubble);font-size:16px}.msg-badges{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}.msg-badge{background:linear-gradient(180deg,#fff8e8,#fff0c8);border:1px solid #f0c878;color:#8a4500;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap;animation:badge-pop .5s cubic-bezier(.34,1.56,.64,1)}@keyframes badge-pop{0%{opacity:0;transform:scale(.4) translateY(8px)}60%{transform:scale(1.1)}to{opacity:1;transform:scale(1) translateY(0)}}:root[data-theme=dark] .msg-badge{background:linear-gradient(180deg,#2c2516,#3a2f1a);border-color:#5e4926;color:#f0c878}.streak-tile.streak-tier-1{box-shadow:0 0 0 2px #f0a5602e}.streak-tile.streak-tier-2{box-shadow:0 0 0 2px #f0a5604d,0 0 20px #f0a56040}.streak-tile.streak-tier-3{box-shadow:0 0 0 2px #f0823c80,0 0 28px #f0823c59;animation:streak-pulse 3s ease-in-out infinite}.streak-tile.streak-tier-4{box-shadow:0 0 0 2px #e85a1ea6,0 0 36px #e85a1e8c;animation:streak-pulse 2.4s ease-in-out infinite;background:linear-gradient(135deg,#fff0c8,#ffd29c)!important}.streak-tile.streak-tier-4 .dash-stat-emoji{animation:streak-flame 1.4s ease-in-out infinite}@keyframes streak-pulse{0%,to{filter:brightness(1)}50%{filter:brightness(1.08)}}@keyframes streak-flame{0%,to{transform:scale(1) rotate(0)}25%{transform:scale(1.08) rotate(-4deg)}75%{transform:scale(1.06) rotate(4deg)}}.action-menu{position:relative;display:inline-flex;flex-shrink:0}.action-fab{width:40px;height:40px;border-radius:var(--radius-sm);background:var(--accent);color:#fff;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s cubic-bezier(.34,1.56,.64,1),background .15s}.action-fab:hover:not(:disabled){background:var(--accent-ink)}.action-fab.open{background:var(--accent-ink);transform:rotate(45deg)}.action-fab:disabled{opacity:.5;cursor:not-allowed}.action-menu-popup{position:absolute;bottom:calc(100% + 10px);left:0;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:10px;min-width:260px;box-shadow:0 12px 32px #00000024;z-index:20;animation:bubble-pop .22s cubic-bezier(.34,1.56,.64,1)}.action-sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#14191873;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:flex-end;justify-content:center;z-index:80;animation:backdrop-in .2s ease-out}@keyframes backdrop-in{0%{opacity:0}to{opacity:1}}.action-sheet{width:100%;max-width:540px;background:var(--bg-card);border-radius:22px 22px 0 0;padding:8px 12px max(20px,env(safe-area-inset-bottom));box-shadow:0 -12px 40px #00000040;animation:sheet-up .28s cubic-bezier(.2,.8,.3,1);max-height:80vh;overflow-y:auto}@keyframes sheet-up{0%{transform:translateY(110%)}to{transform:translateY(0)}}.action-sheet-handle{width:40px;height:4px;background:var(--line);border-radius:999px;margin:6px auto 4px}.action-sheet-head{display:flex;justify-content:space-between;align-items:center;padding:6px 8px 8px}.action-sheet-title{font-family:var(--font-display);font-size:17px;font-weight:600}.action-sheet-close{background:var(--surface);border:none;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink-soft)}.action-sheet-close:hover{background:var(--line);color:var(--ink)}.action-sheet-body{padding:4px 4px 8px}.action-sheet .action-menu-item{padding:14px 12px;font-size:15px}.action-sheet .action-menu-ic{width:32px;height:32px}.action-menu-section+.action-menu-section{margin-top:8px;padding-top:8px;border-top:1px solid var(--line)}.action-menu-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-muted);padding:4px 8px 6px}.action-menu-item{background:none;border:none;padding:10px 12px;border-radius:var(--radius-sm);font-family:inherit;font-size:14px;font-weight:600;color:var(--ink);text-align:left;cursor:pointer;display:flex;align-items:center;gap:10px;width:100%;transition:background .12s}.action-menu-item:hover{background:var(--accent-soft);color:var(--accent-ink)}.action-menu-ic{width:28px;height:28px;background:var(--surface);border-radius:8px;display:inline-flex;align-items:center;justify-content:center;color:var(--accent-ink);flex-shrink:0}.composer-actions{display:flex;gap:8px;margin-bottom:10px;overflow-x:auto;-webkit-overflow-scrolling:touch}.quick-menu-wrap{position:relative;flex-shrink:0}.quick-action.open{background:var(--accent);color:#fff;border-color:var(--accent);border-style:solid}.quick-menu-popup{position:absolute;bottom:calc(100% + 8px);left:0;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:6px;min-width:220px;box-shadow:var(--shadow-strong);z-index:10;display:flex;flex-direction:column;gap:2px;animation:bubble-pop .2s cubic-bezier(.34,1.56,.64,1)}.quick-menu-item{background:none;border:none;padding:10px 12px;border-radius:var(--radius-sm);font-family:inherit;font-size:14px;color:var(--ink);text-align:left;cursor:pointer;display:flex;align-items:center;gap:10px;transition:background .12s}.quick-menu-item:hover{background:var(--accent-soft);color:var(--accent-ink)}.quick-menu-ic{width:24px;height:24px;background:var(--surface);border-radius:6px;display:inline-flex;align-items:center;justify-content:center;color:var(--accent-ink);flex-shrink:0}.svg-loading{background:var(--surface)!important;border-color:var(--line)!important;padding:18px!important}.svg-loading-inner{display:flex;align-items:center;gap:10px;color:var(--ink-soft);font-size:14px;font-weight:600}.svg-loading-spinner{width:16px;height:16px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.quick-actions{display:flex;gap:6px;margin-bottom:8px;overflow-x:auto}.quick-action{background:var(--bg-card);border:1px dashed var(--accent);border-radius:999px;padding:6px 12px;font-size:12px;font-weight:700;color:var(--accent-ink);cursor:pointer;font-family:inherit;white-space:nowrap;transition:all .15s;flex-shrink:0}.quick-action:hover:not(:disabled){background:var(--accent-soft);border-style:solid;transform:translateY(-1px)}.quick-action:disabled{opacity:.5;cursor:not-allowed}.msg-action.active{opacity:1;color:var(--accent)}.streak-warn{display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;background:linear-gradient(135deg,#fff4e0,#ffe1b8);border:1px solid #f0a560;border-radius:var(--radius-lg);padding:14px 18px;cursor:pointer;font-family:inherit;color:var(--ink);text-align:left;margin-bottom:12px;box-shadow:0 2px 8px #f0a5602e;transition:all .2s}.streak-warn:hover{transform:translateY(-2px);box-shadow:0 6px 16px #f0a56047}.streak-warn-icon{font-size:28px;width:44px;height:44px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;animation:pulse-soft 1.6s ease-in-out infinite}@keyframes pulse-soft{0%,to{transform:scale(1)}50%{transform:scale(1.08)}}.streak-warn-title{font-weight:700;font-family:var(--font-display);font-size:16px}.streak-warn-sub{font-size:13px;color:#8a4500}.streak-warn-go{font-size:22px;color:#b06000;font-weight:700}:root[data-theme=dark] .streak-warn{background:linear-gradient(135deg,#3a2f1a,#2c2718);border-color:#5e4926}:root[data-theme=dark] .streak-warn-icon{background:#1a1d1c}:root[data-theme=dark] .streak-warn-sub{color:#f0c878}.chat-search-modal{max-height:80vh}.chat-search-input-row{padding:0 24px 12px}.chat-search-body{padding-top:0}.voice-list{display:flex;flex-direction:column;gap:4px;margin-top:8px;max-height:240px;overflow-y:auto;background:var(--surface);border-radius:var(--radius);padding:6px}.voice-row{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius-sm);cursor:pointer;transition:background .15s}.voice-row:hover{background:var(--bg-card)}.voice-row.selected{background:var(--accent-soft)}.voice-row input[type=radio]{accent-color:var(--accent)}.voice-name{flex:1;font-size:14px;font-weight:600}.voice-tag{font-size:10px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:2px 6px;border-radius:999px;margin-left:8px;vertical-align:middle}.voice-tag.good{background:#fff4a3;color:#8a4500}.voice-tag.ok{background:var(--accent-soft);color:var(--accent-ink)}.voice-tag.muted-tag{background:var(--line);color:var(--ink-muted)}.toggle-row{display:flex;align-items:center;gap:10px;padding:8px 0;cursor:pointer;-webkit-user-select:none;user-select:none}.toggle-row input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent)}.assign-stack{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}.assign-stack-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.assign-stack-title{font-family:var(--font-display);font-weight:600;font-size:17px;color:var(--ink)}.assign-card{display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;background:linear-gradient(135deg,#e9f3ee,#d2e8dd);border:1px solid var(--accent);border-radius:var(--radius-lg);padding:14px 18px;text-align:left;cursor:pointer;font-family:inherit;color:var(--ink);transition:all .2s ease;box-shadow:0 2px 8px #5b8c7a1f}.assign-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px #5b8c7a38}.assign-icon{font-size:28px;width:44px;height:44px;background:var(--bg-card);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 2px 4px #0000000d}.assign-body{min-width:0}.assign-title{font-family:var(--font-display);font-weight:600;font-size:16px;line-height:1.3}.assign-desc{font-size:13px;color:var(--ink-soft);margin-top:2px;line-height:1.35}.assign-due{font-size:12px;font-weight:700;color:var(--warn);margin-top:4px}.assign-go{font-size:24px;color:var(--accent);font-weight:700;flex-shrink:0}:root[data-theme=dark] .assign-card{background:linear-gradient(135deg,#2a3a35,#1f2e2a)}:root[data-theme=dark] .assign-icon{background:#1a1f1d}.assignments-panel{background:var(--bg-card);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius);padding:16px 18px}.ap-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.ap-head h3{margin:0}.ap-form{display:flex;flex-direction:column;gap:8px;margin-top:14px;padding:14px;background:var(--surface);border-radius:var(--radius-sm)}.ap-kind-row{display:flex;gap:6px;flex-wrap:wrap}.ap-form-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.ap-form-row .input{flex:1;min-width:160px}.ap-list{margin-top:14px}.ap-section-title{font-size:12px;text-transform:uppercase;letter-spacing:.04em;font-weight:700;color:var(--ink-muted);margin-bottom:8px}.ap-done summary{font-size:13px;font-weight:600;color:var(--ink-muted);cursor:pointer;padding:6px 0;list-style:none}.ap-done summary::-webkit-details-marker{display:none}.ap-done summary:before{content:"▶ ";transition:transform .2s;display:inline-block}.ap-done[open] summary:before{content:"▼ "}.ap-row{display:grid;grid-template-columns:36px 1fr auto;gap:10px;align-items:flex-start;padding:12px 14px;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:6px}.ap-row.done{opacity:.6}.ap-row.done .ap-title{text-decoration:line-through}.ap-kind{font-size:22px;line-height:1;padding-top:2px}.ap-body{min-width:0}.ap-title{font-weight:700;font-size:14px;margin-bottom:2px}.ap-desc{white-space:pre-wrap;line-height:1.4;margin-bottom:4px}.ap-actions{display:flex;flex-direction:column;gap:2px;align-items:flex-end}.ach-strip{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:16px 18px}.ach-strip-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:10px}.ach-strip-head{display:flex;align-items:center;gap:10px}.ach-strip-title{font-family:var(--font-display);font-weight:600;font-size:17px}.ach-row{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}.ach-tile{flex-shrink:0;min-width:110px;display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 10px;background:var(--surface);border-radius:var(--radius-sm);border:1px solid var(--line);transition:transform .15s}.ach-tile:hover{transform:translateY(-2px)}.ach-tile.unlocked{background:linear-gradient(180deg,#fff8e8,#fff0c8);border-color:#f0c878}.ach-tile.locked{opacity:.55}.ach-tile.locked.next{opacity:1;border-color:var(--accent);border-style:dashed}.ach-emoji{font-size:24px;line-height:1}.ach-name{font-size:11px;font-weight:700;text-align:center;color:var(--ink-soft);line-height:1.2}.ach-progress{width:100%;height:4px;background:var(--line);border-radius:999px;overflow:hidden;margin-top:4px}.ach-progress-fill{height:100%;background:var(--accent);transition:width .4s}.ach-modal-body{padding:14px 24px 20px}.ach-section-title{font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-muted);margin:4px 0 10px}.ach-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}.ach-card{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-card)}.ach-card.unlocked{background:linear-gradient(180deg,#fff8e8,#fff0c8);border-color:#f0c878}.ach-card.locked{opacity:.65}.ach-card-emoji{font-size:32px;line-height:1}.ach-card-name{font-weight:700;font-size:14px}:root[data-theme=dark] .ach-tile.unlocked,:root[data-theme=dark] .ach-card.unlocked{background:linear-gradient(180deg,#2c2516,#3a2f1a);border-color:#5e4926}.theme-switcher{display:flex;gap:10px;margin-top:6px}.theme-opt{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px;border:1.5px solid var(--line);border-radius:var(--radius);background:var(--bg-card);cursor:pointer;font-family:inherit;font-weight:600;color:var(--ink);transition:all .15s}.theme-opt:hover{border-color:var(--accent)}.theme-opt.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-ink)}.theme-emoji{font-size:24px}.notes-timeline{background:var(--bg-card);border:1px solid var(--line);border-left:4px solid #f0c878;border-radius:var(--radius);padding:16px 18px}.note-add{display:flex;flex-direction:column;gap:8px}.note-add textarea{background:#fffceb;border-color:#f0d97a;color:var(--ink)}:root[data-theme=dark] .note-add textarea{background:#2c2718;border-color:#4a3f1f}.note-add .btn{align-self:flex-start}.notes-list{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-direction:column;gap:8px}.note-item{background:var(--surface);border-radius:var(--radius-sm);padding:10px 14px;display:grid;grid-template-columns:1fr auto;gap:4px 10px}.note-when{grid-column:1 / -1}.note-content{white-space:pre-wrap;line-height:1.4;font-size:14px}.note-del{color:var(--ink-muted)}.note-del:hover{color:var(--warn)}@media print{body{background:#fff;color:#000}.topbar,.admin-topbar,.admin-toolbar,.student-head-actions,.teacher-msg-modal,.toast-stack,.help-overlay,.pomo-btn,.activity-live,.link-btn,.pending-msgs,.modal-actions,.note-add,.note-del{display:none!important}.screen.admin{background:#fff}.admin-section{padding:0}.stat-grid{gap:8px}.stat-card{padding:10px}.stat-value{font-size:18px}.admin-table{font-size:11px}.admin-table th,.admin-table td{padding:4px 6px}.clickable{cursor:default}.summary-cell{white-space:normal}.trend-chart{height:80px}.topic-card{break-inside:avoid}a{text-decoration:none;color:inherit}h2,h3{page-break-after:avoid}.tutor-panel,.notes-timeline{page-break-inside:avoid}}.tutor-panel{background:var(--bg-card);border:1px solid var(--line);border-left:4px solid #d4488c;border-radius:var(--radius);padding:16px 18px}.tutor-head{display:flex;justify-content:space-between;align-items:center}.tutor-head h3{margin:0}.tutor-summary{margin-top:10px;display:flex;flex-direction:column;gap:8px}.tutor-tags{display:flex;flex-wrap:wrap;gap:6px}.tag-pill{background:#fbe8f4;color:#88275a;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700}.tutor-parent a{color:var(--accent);text-decoration:none;font-weight:600}.tutor-parent a:hover{text-decoration:underline}.tutor-billing{background:var(--accent-soft);padding:8px 12px;border-radius:var(--radius-sm);font-weight:600;font-size:14px;align-self:flex-start}.tutor-form{margin-top:10px;display:flex;flex-direction:column;gap:6px}.tutor-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media (max-width: 540px){.tutor-grid{grid-template-columns:1fr}}.help-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#281e148c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:70;animation:fadein .2s;padding:20px}.help-modal{background:var(--bg-card);border-radius:var(--radius-lg);width:100%;max-width:560px;max-height:85vh;display:flex;flex-direction:column;box-shadow:var(--shadow-strong);animation:bubble-pop .3s;overflow:hidden}.help-head{display:flex;justify-content:space-between;align-items:center;padding:18px 24px;border-bottom:1px solid var(--line)}.help-head h2{margin:0}.help-close{background:none;border:none;font-size:28px;cursor:pointer;color:var(--ink-soft);line-height:1;padding:0 4px}.help-close:hover{color:var(--ink)}.help-body{padding:14px 24px 20px;overflow-y:auto;flex:1}.help-item{border-bottom:1px solid var(--line);padding:12px 0}.help-item:last-child{border-bottom:none}.help-item summary{font-weight:600;font-family:var(--font-display);font-size:16px;cursor:pointer;list-style:none;padding:4px 0;-webkit-user-select:none;user-select:none}.help-item summary::-webkit-details-marker{display:none}.help-item summary:after{content:"+";float:right;font-size:20px;color:var(--ink-muted);transition:transform .2s}.help-item[open] summary:after{transform:rotate(45deg)}.help-item p{margin:8px 0 4px;color:var(--ink-soft);line-height:1.5;font-size:14px}.help-foot{padding:12px 24px;border-top:1px solid var(--line);text-align:center}.admin-brand{display:flex;align-items:center;gap:8px}.risk-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-top:12px}.risk-card{background:#fff4f3;border:1px solid #f4c4c0;border-radius:var(--radius);padding:14px 16px;cursor:pointer;text-align:left;font-family:inherit;transition:all .15s}.risk-card:hover{background:#fbe8e6;transform:translateY(-1px);box-shadow:var(--shadow)}.risk-name{font-weight:700;font-size:15px;margin-bottom:4px}.risk-reasons{font-size:12px;color:var(--warn)}.activity-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.activity-live{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--ink-muted);text-transform:uppercase;letter-spacing:.04em}.live-dot{width:8px;height:8px;background:var(--accent);border-radius:50%;animation:pulse-dot-soft 1.6s ease-in-out infinite}.activity-feed{display:flex;flex-direction:column;gap:0;margin-top:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-card);overflow:hidden}.activity-item{display:grid;grid-template-columns:110px 1fr;gap:14px;padding:14px 18px;border-bottom:1px solid var(--line)}.activity-item:last-child{border-bottom:none}.activity-when{font-size:12px;color:var(--ink-muted);text-transform:uppercase;letter-spacing:.04em;font-weight:600;padding-top:4px}.activity-body{display:flex;flex-direction:column;gap:6px;min-width:0}.activity-line{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.activity-student-btn{background:none;border:none;padding:0;color:var(--accent);font-family:inherit;font-size:15px;cursor:pointer}.activity-student-btn:hover{color:var(--accent-ink)}.flag-mini{margin-left:4px}.activity-session-btn{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:8px 12px;text-align:left;cursor:pointer;font-family:inherit;font-size:13px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;transition:all .15s}.activity-session-btn:hover{background:var(--accent-soft);border-color:var(--accent)}.activity-intent{background:var(--accent);color:#fff;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:700;text-transform:uppercase}.activity-topic{font-weight:700;color:var(--ink)}.activity-meta{color:var(--ink-muted);font-size:12px}.activity-live-dot{color:var(--warn);font-size:10px;animation:pulse-dot-soft 1.4s ease-in-out infinite}.activity-summary{font-style:italic}@media (max-width: 640px){.activity-item{grid-template-columns:1fr}.activity-when{padding-top:0}}.mood-get{color:var(--accent);font-weight:700}.mood-lost{color:var(--warn);font-weight:700}.stale{color:var(--warn)}.student-head{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;flex-wrap:wrap;margin-top:8px}.student-name{display:flex;align-items:center;gap:10px;margin:0 0 4px}.flag-badge{background:var(--warn);color:#fff;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;font-family:var(--font-body)}.student-head-actions{display:flex;gap:8px}.admin-note textarea{background:#fffceb;border-color:#f0d97a}.admin-note .btn{margin-top:8px}.teacher-msg-modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#281e148c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:60;animation:fadein .2s;padding:20px}.teacher-msg-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:28px;max-width:500px;width:100%;box-shadow:var(--shadow-strong);animation:bubble-pop .3s}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:14px}.pending-msgs h3{margin-bottom:10px}.pending-msg{display:flex;align-items:flex-start;gap:10px;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;margin-bottom:8px}.pending-msg.pending{border-left:4px solid #d4a574}.pending-msg.delivered{border-left:4px solid #3aa0d8}.pending-msg.dismissed{border-left:4px solid var(--accent);opacity:.7}.pending-msg-body{flex:1}.pending-msg-text{font-weight:600;margin-bottom:4px}.pending-msg-guide{margin-bottom:4px}.trend-chart{display:flex;align-items:flex-end;gap:3px;height:120px;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:12px;margin-top:8px}.trend-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%;cursor:help}.trend-bar-wrap{flex:1;width:100%;display:flex;align-items:flex-end;min-height:0}.trend-bar{width:100%;border-radius:3px 3px 0 0;min-height:2px;transition:all .2s}.trend-col:hover .trend-bar{filter:brightness(1.1)}.trend-label{font-size:9px;color:var(--ink-muted);font-weight:600}.topic-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-top:8px}.topic-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:14px}.topic-good{border-left:4px solid var(--accent)}.topic-ok{border-left:4px solid #d4a574}.topic-tough{border-left:4px solid var(--warn)}.topic-name{font-weight:700;margin-bottom:8px}.topic-bar{height:6px;background:var(--surface);border-radius:999px;overflow:hidden;margin-bottom:6px}.topic-fill{height:100%;background:var(--accent);transition:width .4s}.topic-tough .topic-fill{background:var(--warn)}.topic-ok .topic-fill{background:#d4a574}.topic-meta{font-size:11px}.info-card{background:var(--accent-soft);border-left:4px solid var(--accent);padding:12px 16px;border-radius:var(--radius-sm);font-style:italic}.search.large{font-size:17px;padding:14px 20px}.search-results{display:flex;flex-direction:column;gap:8px}.search-hit{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;text-align:left;cursor:pointer;font-family:inherit;transition:all .15s}.search-hit:hover{border-color:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow)}.search-hit-head{display:flex;align-items:center;gap:6px;margin-bottom:6px;flex-wrap:wrap}.search-hit-body{font-size:14px;line-height:1.5;color:var(--ink-soft)}.search-hit mark{background:#fff4a3;padding:1px 3px;border-radius:3px;color:var(--ink)}.teacher-msg-card-student{background:linear-gradient(135deg,#fff8e8,#fff0c8);border:1px solid #f0d97a;border-radius:var(--radius-lg);padding:16px 18px;display:flex;align-items:center;gap:14px;box-shadow:0 4px 14px #d4a5742e;margin-bottom:12px}.tmsg-icon{font-size:24px;width:44px;height:44px;background:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 6px #0000000d;flex-shrink:0}.tmsg-body{flex:1;min-width:0}.tmsg-from{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:#b06000}.tmsg-text{font-family:var(--font-display);font-size:16px;line-height:1.4;margin-top:2px}.admin-toolbar{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}.admin-toolbar .input{padding:10px 14px;font-size:14px}.admin-toolbar .search{flex:1;min-width:220px}.admin-toolbar select{cursor:pointer}.stat-card.accent{background:var(--accent-soft);border-color:var(--accent)}.stat-card.accent .stat-value{color:var(--accent-ink)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}.two-col h3{margin:0 0 12px}.chipbars{display:flex;flex-direction:column;gap:8px}.chipbar{display:grid;grid-template-columns:120px 1fr 40px;gap:10px;align-items:center;font-size:14px}.chipbar-label{font-weight:600}.chipbar-track{height:10px;background:var(--surface);border-radius:999px;overflow:hidden}.chipbar-fill{height:100%;background:var(--accent);border-radius:999px;transition:width .4s ease}.chipbar-count{text-align:right;font-weight:700;color:var(--ink-soft)}.bar-chart{height:200px;align-items:flex-end}.bar-col{position:relative}.bar-value{font-size:11px;font-weight:700;color:var(--ink-soft);margin-bottom:4px}.admin-table.compact td{padding:8px 12px;font-size:13px}.admin-table .num{text-align:right;font-variant-numeric:tabular-nums}.admin-table th.num{text-align:right}.admin-table .small{font-size:12px}@media (max-width: 480px){.container{padding:0 16px}.choices{grid-template-columns:1fr}.bubble{max-width:85%}.composer{padding-top:24px}main{padding:24px 0}.chat main{padding:16px 0 12px}.admin-table{font-size:12px}.admin-table th,.admin-table td{padding:8px 6px}.summary-cell{display:none}.stat-grid{grid-template-columns:repeat(2,1fr)}.pomo-btn{font-size:12px;padding:4px 10px}.two-col{grid-template-columns:1fr}.hero{padding:50px 0 40px}.section{padding:50px 0}.landing-nav{padding:12px 16px}.chipbar{grid-template-columns:90px 1fr 36px;font-size:13px}.admin-toolbar{flex-direction:column}.admin-toolbar .input{width:100%}}