@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,d09GMgABAAAAAA4oAA4AAAAAHbQAAA3TAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAABmAAgRQIDgmcDBEICo1oijYBNgIkA14LMgAEIAWJAAeBHAyBHBvbGiMRdnO0IkRRkiYDgr9KsJ1NUAf2kILNxgUmgqIgq1P89vcbIcmsQbRps3vCcXdYOKSWEPEKgZgQkprQQsxIXUgq0DqpGKmIvrgkeVGtEQD9DzAO29fM9jYhxZEsL2FeURH2JN4MIcTdO049NCVdxQ/w9NrSYFEBKTDKpLKfNkCGDc1RwjZLQcm3vqJ2UW9Xfa3tgAHz6ivp6vgC2yD4/6352ndnN0X0TL7seypkjZlMsjmZnf0Mm5Q+JykRWQBKCVCVPbARPXWyQtb5VgLB6Biq7/Uixcj2WGqdI8tGSgkuRG+t910GKP2D7AQH0DB9FMDW/obJZ8giFI3Wg8Cvevz0M+5m0rTh7XDBlvo9Y4vm13EXmfttwI4mBo1EG15fxJhUiCLbiiyCf/ZA6MFAhg3pGIZGdGIVjtPn6UcMk9A/UUr9PhoNsCENw1APAq0gpH73e+M+0ueyHbabc3vkbcdtzcf/fiy+NxQEjf9ud/ELBHAXJ0nk4z+MXH2Ev/kWyV4k7SkvpPc9Qr38F6RPWnM9cN6DJ0AdD1BhtgABtmoRoFCvPsBAumNm6soZG2Gk5GyVTo2sJncSyp0jQTYoR6WDvTwaaEcHsxHfvuWhHA3a6bN7twRKtcGok6NsCi7jYRrM2jExsUFMxMQYuJbMhuWNOumEJy9hi29Dmg5zMp/A5+hhPG19j1vBrq8JTLr8ki5VLPmG/PynJHVul440bxg5xuymHUFPBshC+nA9I1FmwbRBTNHAcik3Oae0cxKoI3MOriM42UrPe51nsaGxJ+WfXubAsP84aabUlQSJ1IiE0iPETLUU4CATgfXSCSpuRFRmCGbO+wSpAnzaeaCYW1VNEysRtuXCEL1kUFUbbtMv3Tilt/1c11jt3Q5bbMa84cpWipp8Elw3MZhOHsOlwwVUQM3lAR35JiFQbaYCRnMF2lxAWoOg2gyoIV4PouX8HytNIfLhqpJtXB4vjiViUI8IJ7bkC4ikkQvKksnOTKICwnqWSZ9YS5f0WCxmpgjbIq7EJcM4aI2nmhLNY2JIUgOjXZFWBHb+x5oh6cwb0Tv1ackHdKi0I9OO2wE9aogIOn540CCCziyhN+IaejtgAONKznHlHyutPrHGwCx9S6B8kfS4Mfi4Eyv7OU730bT1SCBjt834cXsf43zVjPUqqJjgrjeGnBxSG4aYAKFuVbeCfkDIjAqMb6yLNIbCuvXhMH2/+k2vkNpkORhR59N1CkzoOENvneIosjYmuTxlhUzaGEJQ/iWqx4dmwpmKjrwTiTGTCVozNAYqk/zXOndWxuWSmJkQpJw3pK5KX6QrLt5LATMqpmPAQhkhK6PUjzHUn7E0gHE0kPE0iKkolgkUx9SZmVAdDgpffdyJKg3k7VmzYGCwVXGz/tXmkOIp+vcWs+EMuhhvN0h9uhfzWJziBQmCREGSIFmQIkgVpAnSBRmC//6hkLZwaVhwxlrJSOdqlFtOYxlau9F2QN5Y98xmIAsiM1HVp2VFX+DHHGg6Ecjh3vmqtidX3qHI2qycTk/iwxSt5UzTmEP92ZBnEWTk4Mx8Mpl78ZDokxg/KWb+Q0QkvdKVmq3TMW+RXEgrsziSAfNXFMhDc60N5N9jQzjfO0kBKpUZl0ZmwJ41j/B9Hz6wmRaJB84niNmQrzp9eSlQCDDzazGDdVi3P36VZQ+Jy4f9UBNp+3zTjqI4abaFAm+GShVaXlsGdF3FYzZcDI6cori4kMxUECl9IjJZpzkvitAoxKue+90pDMvcKRxLl53TmOKCmV/xRolNKSqqUxc6LStOETmFOiLZZptlZepcKiAzteG8PEdpnQpbOMNcMsR4RR2Bs0cKFEvSmIjAFcnarqwUL4lDhHmnVkwu1IwshbiCcgvOheZuYyOteufZZwlcTlLgnZ3o/WcYdzZHW/WGaqaVfmTZ1aWCceJjkbZqsfbkOtcFlUZM/jy+hXHDbaUobWqqXaeWobbLO99yG5N3U4wxco0rQGGcOLASFMXeJoham8M+/x6O2WywK2l4HGbq1CoUyC/IZikQhdq3SiuNrvAEj0AVu9x2x3lp/xWzahaxidezFVtdcb5uEnzyl0ZmYiuKI0exvCd4Xc9CV1KB0db00z92wDPde0kukbvZIWN6jUWFTmPIC/Y4UPCm8UfDTFZpZNon1qLFTkBhxzB+FjQRA2Q/YRJT8pQigslMaUpFyAG8TMlXigiqmAZX4xgijKjRlGpLE0GdplRfCaJo0JQaSxNBk6ZmMzcya0FmrcisDdn0Q3HI2sWSppYigmlM1XT/kLQZSNpMJG0WkjYbSZuDpM1F0uYhFc1HxU4m1QJjDK6iL0S5uSj5rgXc3RejEigtcRBtqYPQsiTskmO5vosV+q4VGIKbOkDg0jtRrq+Em1YloaTFar3EGr1EUC8R0kus1Uus00usL97ABr2BjXoDm/QGNhuWtMVBKOwg/i78lT7hBsAvDmwHc/ao3vmUbBmhjeYySZNWvGkfZAgISDSaDo1SVpzGDsAEkF8B+gEapViUoZgUWXcRIGFZNm6gWbAKk0bp0k1MHG9fLYtV4iS2SmLEQFARzRcnf9PUS0LVn05/J9MiRRBU3v2IrvW974v4N00L7ZMk0wXP1409CHo/an8zTRHD3eSJ6m8D4YMkZNl3M79sqeuAsr/m3f+8/yl7A50aiAEJgeBeMWzu7ui9UfUBCe2TIqZIoOd/3/udRBOQidQZUERzb2/VwZN1H/Sju82ew2H2Wfr6qvfVf3hqwDvAIpkQVFy4B9Pe9e4/XvPeceu7h3dvO56iJPf0+A6cqA2ip18ER+iFgggiuOkvj24bby0N9j2UHIkgqIt+sVgfodC4YghLSMjSZbH0VR/6dMDrYJeKHilKTemt6v6kvzvn3/RrdWtr0GoN/xL+Sex/cPYLUpepx9cz/D46UPU5KXgAQa+NDps1v6J3xP1i2HtaDB0M9aX2deA7SYff//+gUCovMmIK/qfsFcOk+4Y5ZN97XlG6zebqtMbKgeRFi51vnxTQYBUik2rS/Cn6PC8ADR8FGxsRPB82dzfND90gIcshOcYUkfjherBz53odpm6TP8txlwOZ71xmfHHOvq053qFF/MRlS3jP0ELudrf2OeN8DHvp6ZceLe8qKYvWz/7yp0u4dKPfli3CYq0O13Ih71mylJ80tOi10On8wi+F4+LWgDPeJ30msSQt9/vkmHq9/Lvo2b461mP801v3W4xTcs6CbvF9UDdrSt+A8OUbpSh55qAUFXWznBBfdeJ8a4d7ugT5tvxUza3h9m4H7ptTqiG4z0g5dc0X29OcGlhpGFMpQo9ytTS+NViZpNdvU4kWx+LKxNY10kQ1yqGXrhe4/1nvP7E+nd5A92TtaRplbHSqoIdOqtRWti+fkB5/n1+/VvCmz12pG1kpQWsfi1ftlBobm0bpngs16CHkbIwdLnParxtTV3QYRlfJ0KFskH7pdN/YDn+yRuSd7sNH3aO0DYPggk6uWuXrfOc+fa3VTxFVvKaNxHsiHmsXyCLIE5yuOeN3/Jdf8HBL/5M6shjyhxHx9BjB1O0+4NLOnjLLSxwO7ukN4jMbOIcD879KLSi6Pk61Oqm2377n8079PXEEQ7cy7OKEC9nbpet118fxweTafpt69x/Bt8UqGzNQt7aelpc44dn5cqhwf71+qKp/Zf/+a0zcizOUWpl/iBcSXip0pplkatCchoH5c5aUM8I7/dWxAej8WicPL1URFZ9BDJelUwEwTkGqUhgSlydVes95YdXvhh9Gfz/aeFWvgVb4tuLbcv4+wLdutVZv/cUonwBD/6eDlE0aSiKK/uoH3+J1wDE/jMVqY2ysGufN84oIXB0sPzy8ollX/LegY74DgJXJR57sn+VGza0x3DnuIgABFM15LmajjjsNlYj+JEZGbuRYcAMOWxFkPN2w6Wd46xo4gVWQR/X4lyI/R6K/YK0110GzudPRW7Y+UOBGTfNNzHeYT0fiH0taunBpq9HEW8OKSaBGj21L0MqenEmNRWBAWDWAk4CpNoEZJ2tTaPFgbQYj8HxtFilErs3BTRwT8uO1NXQaWfIotchmPkAF5mMBAliEmZiOGVgCG9LgRzpscMAOOwowlT3JhusdazXGSC/hxR3UlmWVwWHpOIKheqONvjyhSiTHIkVUco5bnji8m//zL7PKaT1Vl5I6UE609f+gkr6MZKVyKc7zJRmCahLsdlyA5fdQkRSan9LgnnLEyGSkaKJCJog0wAgvepWBt80+1yKln1bMVtCljfNWDueKLsWwaEbBSfSPTEmVRsUcYYMnEjcjeyCZzBXK9E9BYBXLKjOSpUDR+nEV3TFSUdQaz+ot98QxgXwx0GQ+EEUAKB2qZPkQQ0GqFD8UPFMqyaCHM24BZmSGic9EYMagKizOw9Hz50DMrDLrqqLkTAhplMictiCAx5S3BIUQdeJeLnBy2CNtMfz6cV4u8XKoFZQesbf9YZiIERiHjaNodDW6LgcirX/mPnJIkBGDUpTBhSa0EIr38D5hCIszhCM8URGBqImoWjpvpt1ebu/v3Gl3qJfMnNM+9V+kiRFyROTPHQWOcs1dNW94/ukKMPZBvDi55i5CttdeJz84DLngLqjcdwEZ87bFFR8CIG35OAkDVN6VRDZ7aq67NteYqZ2lpT8oYB2CytoBd6VuAx4WgiAsnuj3WohG+LugzXiQRDeM3XYXlULv4dp5VFYC)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.18.6"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.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;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.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{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;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{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ink:#1c1917;--paper:#f3eee6;--paper-2:#e8e0d4;--desk:#14110f;--desk-2:#1e1916;--line:#f3eee61f;--muted:#f3eee69e;--accent:#c45c26;--accent-2:#e7a15b;--direct:#3d9a64;--relay:#d4a017;--danger:#c2410c;--shadow:0 24px 60px #00000059;color:var(--paper);background:var(--desk);font-family:Manrope,Segoe UI,sans-serif;font-weight:500;line-height:1.45}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}html.is-classroom,html.is-classroom body{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light only;color:#1a1d23;touch-action:none;background:#e4e7ee;height:100%;overflow:hidden}body.is-classroom{overscroll-behavior:none;touch-action:none;overflow:hidden}html.is-classroom #root{touch-action:none;height:100%;overflow:hidden}button,input{font:inherit;color:inherit}button{cursor:pointer}a{color:inherit}.home,.prejoin{isolation:isolate;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;min-height:100dvh;color:var(--paper);background:radial-gradient(1000px 460px at 8% -8%,#c45c261a,#0000 58%),radial-gradient(820px 380px at 100% 0,#3d9a640f,#0000 52%),#0c0a09;grid-template-columns:minmax(0,1fr);place-items:center;padding:32px 20px 48px;display:grid;position:relative;overflow:hidden}.home-glow{pointer-events:none;z-index:0;width:100%;height:100%;position:fixed;inset:0}.prejoin h1,.home-card h1{color:var(--paper)}.home-card{z-index:1;background:var(--desk-2);border:1px solid var(--line);width:min(440px,100%);min-width:0;max-width:100%;box-shadow:var(--shadow);border-radius:22px;justify-self:center;padding:32px 28px 28px;position:relative}.cabinet{z-index:1;gap:16px;width:min(720px,100%);display:grid;position:relative}.cabinet-top h1{margin-bottom:8px}.cabinet-card{background:var(--desk-2);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:22px 22px 20px}.cabinet-card h2{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 14px;font-size:15px;font-weight:650}.subject-grid{grid-template-columns:1fr 1fr;gap:8px;display:grid}.subject-chip{text-align:left;border:1px solid var(--line);background:0 0;border-radius:14px;gap:4px;padding:12px 14px;display:grid}.subject-chip b{font-size:15px}.subject-chip span{color:var(--muted);font-size:12px}.subject-chip.on{background:var(--paper);color:var(--ink);border-color:#0000}.subject-chip.on span{color:#1c19178c}.subject-chip.soon{opacity:.45;cursor:not-allowed}.eyebrow{letter-spacing:.16em;text-transform:uppercase;color:var(--accent-2);margin:0 0 8px;font-size:11px}h1{letter-spacing:-.03em;margin:0 0 12px;font-family:Fraunces,Georgia,serif;font-size:52px;font-weight:650}.lede{color:var(--muted);margin:0 0 24px}.ping-note{color:var(--muted);margin:4px 0 0;font-size:13px}.home-card>.primary.ping-btn{margin-top:4px}.home-auth{color:var(--muted);margin:8px 0 0;font-size:14px}.home-auth a,.text-link{color:var(--accent-2);font:inherit;cursor:pointer;background:0 0;border:none;padding:0;text-decoration:none}.home-auth a:hover,.text-link:hover{color:var(--paper)}.muted-link{margin:16px 0 0;font-size:13px}.muted-link a{color:var(--muted)}.otp{letter-spacing:.4em;text-align:center;font-size:22px;font-weight:700}.auth-tabs{grid-template-columns:1fr 1fr;gap:6px;margin:0 0 16px;display:grid}.auth-tabs button{border:1px solid var(--line);color:var(--muted);background:0 0;border-radius:12px;padding:8px}.auth-tabs button.on{background:var(--paper);color:var(--ink)}.pass-rules{color:var(--muted);gap:4px;margin:-6px 0 14px;padding:0;font-size:13px;list-style:none;display:grid}.pass-rules li.ok{color:var(--direct)}.oauth-row{grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:14px;display:grid}.oauth-row a{text-align:center;border:1px solid var(--line);border-radius:12px;justify-content:center;align-items:center;padding:10px 8px;font-size:13px;font-weight:650;text-decoration:none;transition:background .15s,border-color .15s;display:inline-flex}.oauth-row a:hover{background:#f3eee614;border-color:#f3eee647}.oauth-row a.off{opacity:.4}.oauth-hint{color:var(--muted);margin:8px 0 0;font-size:12px}.land-blocks{z-index:1;grid-template-columns:repeat(3,1fr);gap:16px;max-width:1080px;margin:0 auto;padding:0 28px 80px;display:grid;position:relative}.land-blocks article{border:1px solid var(--line);background:#1e1916;border-radius:18px;padding:22px 20px}.land-blocks h2{margin:0 0 8px;font-family:Fraunces,Georgia,serif;font-size:22px}.land-blocks p{color:var(--muted);margin:0;font-size:15px}@media (width<=800px){.land-blocks{grid-template-columns:1fr}}.land-section{z-index:1;max-width:1080px;margin:0 auto;padding:8px 28px 72px;position:relative}.land-section>h2{max-width:18ch;margin:0 0 18px;font-family:Fraunces,Georgia,serif;font-size:clamp(28px,4vw,40px)}.land-steps,.land-price{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.land-price.two{grid-template-columns:1fr 1fr;max-width:640px}.land-steps article,.land-price article{border:1px solid var(--line);background:#1e1916;border-radius:18px;padding:22px 20px}.land-steps b{color:var(--accent-2);font-family:Fraunces,Georgia,serif;font-size:28px}.land-steps h3,.land-price h3{margin:8px 0;font-family:Fraunces,Georgia,serif;font-size:22px}.land-steps p,.land-about p,.land-price p{color:var(--muted);margin:0}.land-about{gap:14px;max-width:68ch;font-size:17px;display:grid}.land-legal{max-width:68ch;color:var(--muted);gap:10px;font-size:16px;display:grid}.land-legal h2{color:var(--ink);margin:18px 0 0;font-size:18px}.land-legal ul{gap:8px;margin:0;padding-left:1.2em;display:grid}.land-legal a{color:inherit}.land-price-lede{max-width:52ch;margin:-8px 0 22px}.land-price .price{color:var(--paper);margin:0 0 12px;font-family:Fraunces,Georgia,serif;font-size:22px}.land-price ul{color:var(--muted);gap:8px;margin:0 0 18px;padding:0;font-size:14px;list-style:none;display:grid}.land-price li:before{content:"— ";color:var(--accent-2)}.land-price article.on{border-color:#c45c2673}.land-price .primary,.land-price .ghost{text-align:center;width:100%;display:block}.land-foot{z-index:1;width:100%;color:var(--muted);border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:auto;padding:22px 28px;font-size:14px;display:flex;position:relative}.land-foot nav{gap:16px;display:flex}.land-foot a{color:var(--muted);text-decoration:none}.land-foot a:hover{color:var(--paper)}.dur-row{flex-wrap:wrap;gap:8px;display:flex}.dur-row button{border:1px solid var(--line);color:var(--muted);background:0 0;border-radius:12px;padding:8px 12px}.dur-row button.on{background:var(--paper);color:var(--ink);border-color:#0000}.cab-greet{color:var(--accent-2);letter-spacing:.08em;text-transform:uppercase;margin:0;font-size:13px}.cab-date{text-transform:capitalize;margin:-8px 0 18px}.cab-quota{color:var(--accent-2);margin:-8px 0 18px;font-size:14px}.cab-quota.out{color:#e7a15b}.cab-stats{grid-template-columns:repeat(3,1fr);gap:10px;margin:0 0 22px;display:grid}.cab-wide>.cab-stats{grid-template-columns:repeat(4,1fr)}.cab-stats div{border:1px solid var(--line);background:#1e1916;border-radius:16px;padding:14px 16px}.cab-stats b{font-family:Fraunces,Georgia,serif;font-size:22px;display:block}.cab-stats span{color:var(--muted);font-size:13px}.adm-flag{border:1px solid var(--line);background:#1e1916;border-radius:16px;justify-content:space-between;align-items:center;gap:16px;margin:0 0 22px;padding:18px 20px;display:flex}.adm-flag.on{border-color:#c2410c8c}.adm-flag b{margin-bottom:4px;font-size:16px;display:block}.adm-flag span{color:var(--muted);font-size:13px}.adm-flag .primary,.adm-flag .ghost{width:auto}.adm-id{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}.adm-captcha{align-items:center;gap:10px;display:flex}.adm-captcha img{border:1px solid var(--line);background:#14110f;border-radius:10px;width:180px;height:56px;display:block}.adm-captcha .ghost{width:auto;padding:8px 12px}.adm-sys{flex-wrap:wrap;gap:8px;margin:0 0 22px;display:flex}.adm-sys span{color:var(--muted);border:1px solid var(--line);background:#1e1916;border-radius:999px;padding:6px 12px;font-size:13px}.adm-sys .on{color:#b7e4c7;border-color:#b7e4c740}.adm-sys .off{color:#f0b4a0;border-color:#c2410c66}.adm-ip{white-space:nowrap;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}.adm-chan{border:1px solid var(--line);background:#1e1916;border-radius:16px;margin:0 0 22px;padding:16px 18px 12px}.adm-chan-top{grid-template-columns:repeat(5,1fr);gap:10px;display:grid}.adm-chan-top b{font-family:Fraunces,Georgia,serif;font-size:18px;display:block}.adm-chan-top span{color:var(--muted);font-size:12px}.adm-chan-cap{color:var(--muted);margin:10px 0 0;font-size:13px}.adm-chan-note{margin:10px 0 0;font-size:12px}.adm-turn{border-top:1px solid var(--line);margin:16px 0 0;padding-top:12px}.adm-turn-h{margin:0 0 10px;font-size:13px;font-weight:700}.adm-turn-grid{grid-template-columns:repeat(4,1fr)}.adm-spark{align-items:flex-end;gap:2px;height:48px;margin:12px 0 0;display:flex}.adm-spark i{opacity:.85;background:#3d8bfd;border-radius:2px 2px 0 0;flex:1;min-width:2px}.upload-track{background:#ece7df;border-radius:999px;height:8px;margin-top:8px;overflow:hidden}.upload-track i{background:#2d6cdf;border-radius:999px;height:100%;display:block}.adm-split{grid-template-columns:1fr 1fr;gap:28px;margin-top:8px;display:grid}.adm-split h2{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.adm-split h2 a{letter-spacing:0;text-transform:none;color:var(--accent-2);font-size:13px;font-weight:650}.adm-row{border-bottom:1px solid var(--line);grid-template-columns:1fr auto;align-items:center;gap:4px 12px;padding:8px 0;display:grid}.adm-row span{color:var(--paper)}.adm-row small{color:var(--muted);margin-left:8px;font-size:12px}.adm-row b{font-variant-numeric:tabular-nums}.adm-bar{background:#2a241f;border-radius:99px;grid-column:1/-1;height:4px;display:block}.adm-bar em{background:#c45c26;border-radius:99px;height:100%;display:block}.adm-fail{border-bottom:1px solid var(--line);padding:10px 0}.adm-fail span{color:var(--muted);justify-content:space-between;gap:12px;font-size:13px;display:flex}.adm-fail p{word-break:break-word;margin:4px 0 0;font-size:14px}.adm-chip{color:var(--muted);border:1px solid var(--line);background:#1e1916;border-radius:999px;margin-right:6px;padding:3px 8px;font-size:12px;font-weight:650;display:inline-block}.adm-chip.on{color:var(--ink);background:var(--paper);border-color:#0000}.adm-chip.ban{color:#f0b4a0;border-color:#c2410c73}.les-table a{color:inherit;text-decoration:none}.les-table a:hover{text-decoration:underline}.cab-btn.danger,.danger.cab-btn{cursor:pointer;border:none;width:auto;padding:8px 14px;font-size:14px}@media (width<=800px){.adm-split{grid-template-columns:1fr}.adm-chan-top{grid-template-columns:1fr 1fr}}.les-table .danger{cursor:pointer;border:none;width:auto;padding:7px 10px;font-size:13px}.les-table .danger:disabled{opacity:.5}.cab-live-row{align-items:stretch;gap:10px;margin-bottom:8px;display:flex}.cab-live-row .cab-live{flex:1}.cab-live-row .ghost{width:auto}.time-up-chip{z-index:4;color:#9f1239;background:#1a1d2314;border-radius:999px;padding:6px 10px;font-size:13px;font-weight:700;position:absolute;top:12px;right:16px}.timer-edit{position:relative}.timer-btn{color:#1a1d23;background:#fff;border:1px solid #1418201f;border-radius:10px;place-items:center;width:32px;height:32px;padding:0;font-size:15px;display:grid}.timer-btn.on{color:#fff;background:#1a1d23;border-color:#0000}.timer-pop{z-index:80;background:#fff;border:1px solid #1418201a;border-radius:12px;gap:4px;min-width:140px;padding:6px;display:grid;position:absolute;top:calc(100% + 6px);left:0;box-shadow:0 12px 32px #14182029}.timer-pop button{text-align:left;color:#1a1d23;background:0 0;border:none;border-radius:8px;padding:6px 8px}.timer-pop button:hover{background:#eef2ff}@media (width<=900px){.land-steps,.land-price,.land-features{grid-template-columns:1fr}.land-nav{order:3;width:100%}.cab-stats,.cab-wide>.cab-stats{grid-template-columns:1fr 1fr}}.field-label{color:var(--muted);margin:0 0 8px;font-size:13px}.land{isolation:isolate;background:#0c0a09;flex-direction:column;min-height:100dvh;display:flex;position:relative;overflow-x:hidden}.land-top{z-index:2;flex-wrap:wrap;align-items:center;gap:16px;padding:16px 28px;display:flex;position:relative}.land-brand{letter-spacing:-.03em;font-family:Fraunces,Georgia,serif;font-size:28px;font-weight:650;text-decoration:none}.land-join{align-items:center;gap:8px;margin-left:auto;display:flex}.land-join-open{flex-direction:column;align-items:flex-end;gap:4px;max-width:min(380px,100%)}.land-join-field{flex-direction:column;gap:4px;width:100%;display:flex}.land-join-field>span:first-child{color:var(--muted);font-size:12px}.land-join-row{align-items:center;gap:8px;display:flex}.land-join input{border:1px solid var(--line);background:#1e1916;border-radius:999px;width:140px;padding:8px 14px}.land-join-open input{width:170px}.land-join-hint{color:var(--muted);text-align:right;margin:0;font-size:12px;line-height:1.35}.land-foot-tag{color:var(--muted);margin:0;font-size:13px}.dir-cta-col{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:8px;display:flex}.land-auth{white-space:nowrap;border-radius:999px;padding:8px 16px;font-size:14px;font-weight:650}.land-nav{flex-wrap:wrap;gap:8px;margin-left:18px;display:flex}.land-pill{border:1px solid var(--line);color:var(--paper);background:#1e1916;border-radius:999px;padding:8px 16px;font-size:14px;font-weight:650;text-decoration:none}.land-pill:hover,.land-pill.on{background:var(--paper);color:var(--ink);border-color:#0000}.land-page{z-index:1;flex:1;width:100%;max-width:1080px;margin:0 auto;padding:36px 28px 80px;position:relative}.land-page h1{max-width:16ch;margin:0 0 16px;font-size:clamp(36px,5vw,56px)}.land-lead{max-width:52ch;margin:0 0 36px}.land-hero{z-index:1;grid-template-columns:1.1fr .9fr;align-items:center;gap:48px;width:100%;max-width:1080px;margin:0 auto;padding:48px 28px 56px;display:grid;position:relative}.land-hero h1{font-size:clamp(40px,6vw,64px);line-height:1.05}.land-cta{flex-wrap:wrap;gap:12px;margin:8px 0 28px;display:flex}.land-cta .primary,.land-cta .ghost{width:auto;padding:12px 22px}.land-points{color:var(--muted);gap:10px;margin:0;padding:0;font-size:15px;list-style:none;display:grid}.land-points li{padding-left:18px;position:relative}.land-points li:before{content:"";background:var(--accent);border-radius:50%;width:7px;height:7px;position:absolute;top:.55em;left:0}.land-hero-img{filter:drop-shadow(0 30px 60px #c45c2647);justify-self:end;width:min(420px,100%)}.land-section{padding-top:12px;padding-bottom:48px}.land-h2{max-width:18ch;margin:0 0 28px;font-family:Fraunces,Georgia,serif;font-size:clamp(28px,4vw,40px);line-height:1.15}.land-features{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.land-features article{border:1px solid var(--line);background:#1e1916;border-radius:18px;padding:22px 20px}.land-features h3{margin:0 0 8px;font-family:Fraunces,Georgia,serif;font-size:22px}.land-features p{color:var(--muted);margin:0}.land-band{z-index:1;border:1px solid var(--line);background:#1e1916;border-radius:22px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;width:100%;max-width:1080px;margin:0 auto 48px;padding:28px;display:flex;position:relative}.land-band p{color:var(--muted);max-width:48ch;margin:8px 0 0}.land-band .primary{place-items:center;width:auto;padding:12px 22px;text-decoration:none;display:inline-grid}.dir-filters{flex-wrap:wrap;gap:8px;margin:0 0 28px;display:flex}.dir-filters input,.dir-filters select,.dir-filters .city-pick input{border:1px solid var(--line);color:inherit;font:inherit;background:#1e1916;border-radius:12px;min-width:140px;padding:10px 12px}.dir-filters .city-pick{flex:1;min-width:180px}.dir-filters .primary{width:auto;padding:10px 16px}.dir-feed{gap:16px;display:grid}.dir-row{border:1px solid var(--line);background:#161310;border-radius:22px;grid-template-columns:120px 1fr;gap:22px;padding:22px 24px;display:grid}.dir-row.full{padding:28px}.dir-head{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.dir-kicker{color:var(--muted);margin:0 0 4px;font-size:13px}.dir-head h2{align-items:center;gap:8px;margin:0 0 4px;font-family:Fraunces,Georgia,serif;font-size:28px;display:flex}.dir-head h2 a{color:inherit;text-decoration:none}.dir-head h2 a:hover{text-decoration:underline}.dir-head h2 i{background:var(--accent);color:#fff;border-radius:50%;place-items:center;width:20px;height:20px;font-size:11px;font-style:normal;font-weight:800;display:grid}.dir-stazh{color:var(--paper);margin:0;font-size:14px}.dir-cta{white-space:nowrap;flex-shrink:0;width:auto;padding:10px 18px;text-decoration:none}.dir-contact{border-top:1px solid var(--line);margin-top:28px;padding-top:20px}.dir-contact h3{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 12px;font-size:12px;font-weight:700}.dir-contact-row{flex-wrap:wrap;gap:8px;display:flex}.dir-contact-row .dir-cta{justify-content:center;min-width:128px}.dir-about{color:var(--muted);-webkit-line-clamp:4;-webkit-box-orient:vertical;margin:12px 0 0;font-size:15px;line-height:1.45;display:-webkit-box;overflow:hidden}.dir-more{color:var(--accent-2);margin:6px 0 0;font-size:14px;font-weight:650;text-decoration:none;display:inline-block}.dir-facts{color:var(--paper);gap:8px;margin:16px 0 0;padding:0;font-size:14px;list-style:none;display:grid}.dir-facts b{min-width:5.5em;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;font-size:12px;font-weight:650;display:inline-block}.dir-tags{flex-wrap:wrap;gap:6px;display:flex}.dir-tags span,.dir-subs button{border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:4px 8px;font-size:12px;font-weight:650}.dir-subs{flex-wrap:wrap;gap:8px;margin:0 0 16px;display:flex}.dir-subs button{color:var(--muted);cursor:pointer;font:inherit;background:0 0;padding:8px 12px}.dir-subs button.on,.dir-tags span{color:var(--paper);border-color:#c45c2673}.dir-ava,.dir-ava-edit span,.dir-ava-edit img,.dir-ava img{object-fit:cover;color:#fff;background:#c45c26;border-radius:18px;place-items:center;width:72px;height:72px;font-size:28px;font-weight:700;display:grid}.dir-ava.round,.dir-ava.round img,.dir-ava.round span{border-radius:50%;width:112px;height:112px;font-size:40px}.dir-ava-edit{align-items:center;gap:12px;margin:0 0 18px;display:flex}.avatar-presets{grid-template-columns:repeat(6,64px);gap:8px;margin:0 0 22px;display:grid}.avatar-presets button{cursor:pointer;background:#1e1916;border:2px solid #0000;border-radius:50%;width:64px;height:64px;padding:0;overflow:hidden}.avatar-presets button.on{border-color:var(--accent-2)}.avatar-presets img{object-fit:cover;width:100%;height:100%;display:block}.dir-prices{grid-template-columns:1fr 1fr 1fr;gap:12px;display:grid}.dir-custom{align-items:center;gap:8px;display:flex}.dir-custom input{flex:1}.dir-custom .ghost{width:auto}.dir-profile{grid-template-columns:140px 1fr;align-items:start;gap:28px;display:grid}.dir-bio{white-space:pre-wrap;max-width:62ch;color:var(--muted);line-height:1.5}@media (width<=800px){.dir-profile,.dir-prices,.dir-row{grid-template-columns:1fr}.dir-head{flex-direction:column}}.cab{isolation:isolate;background:#0c0a09;grid-template-columns:220px 1fr;min-height:100dvh;display:grid;position:relative}.cab-rail{z-index:1;border-right:1px solid var(--line);background:#14110f;flex-direction:column;gap:6px;padding:22px 16px;display:flex;position:relative}.cab-rail a,.cab-soon{color:var(--muted);border-radius:12px;padding:10px 12px;font-weight:650;text-decoration:none}.cab-rail a.active{background:var(--paper);color:var(--ink)}.cab-soon{opacity:.4}.cab-plan{border:1px solid var(--line);background:#1e1916;border-radius:18px;gap:8px;margin:0 0 28px;padding:18px 18px 16px;display:grid}.cab-plan b{font-family:Fraunces,Georgia,serif;font-size:20px}.cab-plan span{color:var(--muted);font-size:14px}.cab-plan a{color:var(--accent-2);text-decoration:none}.cab-plan a:hover{text-decoration:underline}.cab-more{gap:8px;margin:0 0 28px;display:grid}.cab-more a{border:1px solid var(--line);color:inherit;background:#1e1916;border-radius:16px;padding:14px 16px;text-decoration:none;display:block}.cab-more a:hover{border-color:#e7a15b73}.cab-more a b{font-size:16px;display:block}.cab-more a span{color:var(--muted);margin-top:4px;font-size:13px;font-weight:500;display:block}.city-pick{position:relative}.city-drop{z-index:40;border:1px solid var(--line);background:#1e1916;border-radius:14px;max-height:260px;margin:0;padding:6px;list-style:none;position:absolute;top:calc(100% + 4px);left:0;right:0;overflow:auto;box-shadow:0 16px 40px #00000073}.city-drop button{text-align:left;width:100%;color:inherit;font:inherit;cursor:pointer;background:0 0;border:none;border-radius:10px;padding:9px 12px;display:block}.city-drop button:hover,.city-drop button.on{background:#f3eee614}.city-empty{color:var(--muted);padding:10px 12px;font-size:13px}.cab-gap{flex:1}.cab-main{z-index:1;min-width:0;position:relative}.cab-head{justify-content:space-between;align-items:center;gap:12px;padding:18px 28px;display:flex}.cab-head .primary,.cab-title-row .primary,.cab-btn{width:auto;padding:8px 14px;font-size:14px;font-weight:650}.cab-user{position:relative}.cab-avatar{border:1px solid var(--line);color:inherit;background:#1e1916;border-radius:999px;align-items:center;gap:10px;padding:4px 14px 4px 4px;display:flex}.cab-avatar span{color:#fff;background:#c45c26;border-radius:50%;place-items:center;width:36px;height:36px;font-weight:700;display:grid}.cab-avatar em{text-align:left;font-style:normal;line-height:1.2;display:grid}.cab-avatar small{color:var(--muted);font-size:12px}.cab-user-menu{z-index:20;border:1px solid var(--line);min-width:220px;box-shadow:var(--shadow);background:#1e1916;border-radius:16px;padding:8px;display:grid;position:absolute;top:calc(100% + 8px);right:0}.cab-user-menu p{margin:8px 10px 12px;display:grid}.cab-user-menu b{font-size:15px}.cab-user-menu span{color:var(--muted);font-size:13px}.cab-user-menu a,.cab-user-menu button{text-align:left;color:inherit;font:inherit;background:0 0;border:none;border-radius:10px;padding:10px 12px;text-decoration:none}.cab-user-menu a:hover,.cab-user-menu button:hover{background:#f3eee614}.board-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;display:grid}.board-card h3{margin:10px 0 4px;font-size:18px}.board-preview{aspect-ratio:16/10;width:100%;color:var(--paper);text-align:left;background:radial-gradient(circle,#f3eee62e 1px,#0000 1.5px) 0 0/14px 14px,#161310;border:none;border-radius:16px;place-items:end start;padding:14px;font-family:Fraunces,Georgia,serif;font-size:18px;display:grid}.board-preview.sub-chem{background-color:#141816}.board-preview.sub-rus,.board-preview.sub-eng{background-color:#181410}.les-filters input{min-width:180px}.drop-zone{border:1px dashed var(--line);min-height:88px;color:var(--muted);cursor:pointer;background:#1e1916;border-radius:16px;place-items:center;margin:0 0 16px;display:grid}.drop-zone.on{border-color:var(--accent-2);color:var(--paper)}.mat-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;display:grid}.mat-card img,.mat-pdf{aspect-ratio:4/3;object-fit:cover;background:#161310;border-radius:12px;width:100%}.mat-pdf{color:var(--accent-2);place-items:center;font-family:Fraunces,Georgia,serif;font-size:28px;display:grid}.mat-card h3{word-break:break-word;margin:10px 0 4px;font-size:15px}.mat-card a.ghost{width:auto;text-decoration:none}.work-list{gap:12px;margin:0;padding:0;list-style:none;display:grid}.work-card{border:1px solid var(--line);background:#1e1916;border-radius:18px;gap:8px;padding:16px;display:grid}.work-card h3{margin:0;font-size:18px}.work-body{color:var(--muted);white-space:pre-wrap;margin:0}.work-files{flex-wrap:wrap;gap:8px;display:flex}.work-files a{color:var(--accent-2)}.pick-files{gap:6px;max-height:160px;margin-bottom:8px;display:grid;overflow:auto}.pick-files label{color:var(--muted);align-items:center;gap:8px;display:flex}.pick-files label.on{color:var(--paper)}.prejoin.has-hw{align-content:start;gap:16px;padding-top:40px;overflow:hidden auto}.hw-card{margin-top:0;overflow:hidden}.hw-item{min-width:0;margin-bottom:16px}.hw-item h2{text-overflow:ellipsis;white-space:nowrap;max-width:100%;margin:0 0 8px;font-family:Fraunces,Georgia,serif;font-size:22px;overflow:hidden}.hw-file{text-overflow:ellipsis;white-space:nowrap;vertical-align:top;width:auto;max-width:100%;margin-top:8px;text-decoration:none;display:inline-block;overflow:hidden}.hw-pick{gap:8px;min-width:0;display:grid}.hw-pick-btn{text-align:center;cursor:pointer;justify-self:start;width:auto;display:inline-block}.hw-pick-names{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:13px;display:block;overflow:hidden}.hw-jump{color:var(--accent-2);margin-top:14px;font-size:13px;text-decoration:none;display:inline-block}.hw-submit{border:1px solid var(--line);background:0 0;border-radius:10px;width:auto;margin-top:10px;padding:6px 12px;font-size:13px}.hw-form{margin-top:12px}.hw-form textarea{border:1px solid var(--line);color:inherit;font:inherit;resize:vertical;background:#0e0c0b;border-radius:12px;width:100%;padding:12px 14px}.work-sub{color:var(--muted);background:#14110f;border-radius:12px;padding:10px 12px;font-size:13px}.cab-body{max-width:760px;padding:8px 28px 40px}.cab-body h1{font-size:36px}.cab-body h2{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:16px}.cab-empty,.cab-live{text-align:left;border:1px solid var(--line);color:inherit;background:#1e1916;border-radius:18px;gap:8px;width:100%;padding:22px;display:grid}.cab-live b{font-size:18px}.cab-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.cab-list li{color:var(--muted);background:#1e1916;border-radius:12px;justify-content:space-between;gap:12px;padding:12px 14px;display:flex}.cab-wide{max-width:980px}.cab-title-row{flex-wrap:wrap;justify-content:flex-start;align-items:center;gap:16px;margin-bottom:8px;display:flex}.cab-title-row h1{margin:0}.cab-tabs{gap:8px;margin:8px 0 16px;display:flex}.cab-tabs button{border:1px solid var(--line);color:var(--muted);background:0 0;border-radius:12px;padding:8px 14px}.cab-tabs button.on{background:var(--paper);color:var(--ink);border-color:#0000}.start-board{gap:8px;margin:0 0 14px;display:flex}.start-board button{border:1px solid var(--line);color:var(--muted);background:0 0;border-radius:12px;flex:1;padding:10px 12px;font-size:13px;font-weight:650}.start-board button.on{background:var(--paper);color:var(--ink);border-color:#0000}.board-card h3 a{color:inherit;text-decoration:none}.board-card h3 a:hover{text-decoration:underline}.cab-toast{color:var(--accent-2);font-size:14px}.cab-toast-float{z-index:30;border:1px solid var(--line);background:#1e1916;border-radius:12px;margin:0;padding:10px 16px;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 12px 32px #00000059}.land-auth-card{z-index:1;margin:24px auto 48px;position:relative}.cab-inline{width:100%;color:inherit;font:inherit;text-align:left;background:0 0;border:none;justify-content:space-between;gap:12px;padding:0;display:flex}.stu-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;display:grid}.stu-card{cursor:pointer;cursor:pointer;background:#1c1815;border:1px solid #f3eee614;border-radius:20px;gap:10px;padding:16px 16px 14px;transition:transform .15s,box-shadow .15s,border-color .15s;display:grid;box-shadow:0 12px 28px #00000047}.stu-card:hover{border-color:#f3eee629;transform:translateY(-1px);box-shadow:0 16px 36px #00000061}.stu-card header{justify-content:space-between;align-items:center;gap:8px;display:flex}.stu-card h3{color:var(--paper);margin:0;font-size:18px}.stu-card header a{text-decoration:none}.stu-meta,.stu-notes{color:var(--muted);margin:0;font-size:13px}.stu-card.due{border-color:#e7a15b80}.stu-when,.stu-when.past{color:var(--accent-2)}.when-field{margin:0 0 16px}.when-open{text-align:left;border:1px solid var(--line);width:100%;color:inherit;background:#0e0c0b;border-radius:12px;padding:12px 14px}.when-open.on{border-color:#c45c26b3}.when-pop{border:1px solid var(--line);background:#1e1916;border-radius:14px;width:248px;margin-top:8px;padding:10px;box-shadow:0 12px 28px #00000059}.when-month{justify-content:space-between;align-items:center;gap:6px;margin-bottom:8px;display:flex}.when-month b{text-transform:capitalize;font-family:Fraunces,Georgia,serif;font-size:15px;font-weight:500}.when-nav{border:1px solid var(--line);width:28px;height:28px;color:inherit;background:0 0;border-radius:8px;padding:0;font-size:13px}.when-nav:hover{background:#f3eee60f}.when-week{text-align:center;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);grid-template-columns:repeat(7,1fr);gap:2px;margin-bottom:4px;font-size:10px;display:grid}.when-grid{grid-template-columns:repeat(7,1fr);gap:2px;display:grid}.when-grid button{height:28px;color:inherit;font:inherit;background:0 0;border:none;border-radius:8px;padding:0;font-size:12px}.when-grid button:hover{background:#f3eee614}.when-grid button.out{color:var(--muted);opacity:.4}.when-grid button.today{box-shadow:inset 0 0 0 1px #e7a15bbf}.when-grid button.on{background:var(--paper);color:var(--ink);box-shadow:none}.when-time-row{align-items:center;gap:10px;margin-top:10px;display:flex}.when-time-row span{color:var(--muted);flex:none;font-size:12px}.when-time-row input{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;flex:1;min-width:0;padding:7px 10px;font-size:14px}.when-time-row input::-webkit-calendar-picker-indicator{opacity:.55}.when-acts{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.when-clear{margin:0;font-size:12px;width:auto!important;padding:6px 10px!important}.subj-pick{max-width:360px;margin:0 0 14px;position:relative}.subj-pick-btn{text-align:left;border:1px solid var(--line);width:100%;color:inherit;background:#0e0c0b;border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;display:flex}.subj-pick-btn.on{border-color:#c45c26b3}.subj-pick-btn span{gap:2px;min-width:0;display:grid}.subj-pick-btn b{font-size:15px;font-weight:650}.subj-pick-btn em,.subj-pick-btn i{color:var(--muted);font-size:12px;font-style:normal}.subj-pick-pop{z-index:8;border:1px solid var(--line);background:#1e1916;border-radius:14px;gap:2px;padding:6px;display:grid;position:absolute;top:calc(100% + 6px);left:0;right:0;box-shadow:0 16px 36px #0006}.subj-pick-item{text-align:left;width:100%;color:inherit;background:0 0;border:none;border-radius:10px;gap:1px;padding:9px 10px;display:grid}.subj-pick-item span{color:var(--muted);font-size:12px}.subj-pick-item:hover,.subj-pick-item.on{background:#f3eee614}.subj-pick-item.on b{color:var(--accent-2)}.week-wrap{margin:0 0 22px}.week-head{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;align-items:center;gap:8px;margin:0 0 8px;font-size:13px;font-weight:650;display:flex}.week-nav{border:1px solid var(--line);width:28px;height:28px;color:inherit;cursor:pointer;background:#1e1916;border-radius:8px;padding:0;font-size:18px;line-height:1}.week-nav:hover{color:var(--paper)}.week-now{border:1px solid var(--line);color:var(--accent-2);cursor:pointer;background:0 0;border-radius:999px;margin-left:4px;padding:4px 10px;font-size:12px;font-weight:650}.week-strip{grid-template-columns:repeat(7,minmax(0,1fr));align-items:start;gap:6px;display:grid}.week-day{border:1px solid var(--line);background:#1e1916;border-radius:14px;padding:8px}.week-day.on{background:#241c16;border-color:#e7a15b73}.week-day.due{border-color:#e7a15b8c}.week-day>span{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-size:11px;display:block}.week-day>b{margin:2px 0 6px;font-family:Fraunces,Georgia,serif;font-size:22px;font-weight:500;line-height:1.2;display:block}.week-who{text-align:left;width:100%;color:var(--accent-2);background:0 0;border:none;gap:0;margin-top:4px;padding:4px 0;font-size:12px;font-weight:650;display:grid}.week-who em{color:var(--muted);font-size:11px;font-style:normal;font-weight:500}@media (width<=800px){.week-strip{grid-template-columns:repeat(7,minmax(76px,1fr));overflow-x:auto}}.stu-notes{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.stu-actions{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.stu-actions .primary,.stu-actions .ghost{border-radius:10px;width:auto;padding:6px 11px;font-size:12px;font-weight:650}.stu-more-wrap{flex:none;position:relative}.stu-dots{color:var(--muted);letter-spacing:.04em;background:#f3eee60f;border:none;place-items:center;font-size:16px;line-height:1;display:grid;border-radius:8px!important;width:28px!important;height:28px!important;padding:0!important}.stu-dots:hover{color:var(--paper);background:#f3eee61f}.stu-drop{z-index:3;border:1px solid var(--line);min-width:160px;box-shadow:var(--shadow);background:#1e1916;border-radius:12px;padding:6px;display:grid;position:absolute;top:100%;right:0}.stu-drop a,.stu-drop button{text-align:left;color:var(--paper);font:inherit;background:0 0;border:none;border-radius:8px;padding:8px 10px;text-decoration:none}.stu-drop a:hover,.stu-drop button:hover{background:#f3eee614}textarea{border:1px solid var(--line);resize:vertical;min-height:80px;font:inherit;color:inherit;background:#0e0c0b;border-radius:12px;outline:none;padding:12px 14px}textarea:focus{border-color:#c45c26b3}.les-filters{flex-wrap:wrap;gap:8px;margin:0 0 16px;display:flex}.les-filters select,.les-filters input{border:1px solid var(--line);color:inherit;font:inherit;background:#0e0c0b;border-radius:12px;padding:10px 12px}.les-wrap{overflow-x:auto}.les-table{border-collapse:collapse;width:100%;font-size:14px}.les-table th{text-align:left;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;padding:8px 10px;font-size:12px;font-weight:650}.les-table td{border-top:1px solid var(--line);vertical-align:middle;padding:12px 10px}.les-act{justify-content:flex-end;gap:6px;display:flex}.les-act .primary,.les-act .ghost{width:auto;padding:7px 10px;font-size:13px}.les-st{font-size:13px}.les-st-live{color:var(--accent-2)}.les-st-archived,.les-st-expired{opacity:.6}@media (width<=800px){html{overflow-x:hidden}button,a,input,select,textarea{touch-action:manipulation}input,select,textarea{font-size:16px}.land-hero{grid-template-columns:1fr;padding:16px 16px 32px}.land-hero-img{display:none}.land-hero h1{font-size:clamp(30px,9vw,42px)}.land-page{padding:24px 16px 56px}.land-page h1{max-width:none;font-size:clamp(28px,8vw,40px)}.land-section{padding-left:16px;padding-right:16px}.land-cta{flex-direction:column;align-items:stretch}.land-cta .primary,.land-cta .ghost{width:100%}.land-band{flex-direction:column;align-items:stretch;gap:16px;width:auto;margin:0 16px 32px;padding:22px 16px}.land-band .primary{width:100%}.land-foot{padding:18px 16px calc(18px + env(safe-area-inset-bottom))}.land-foot nav{flex-wrap:wrap;gap:10px 16px}.land-top{padding:10px 16px calc(10px + env(safe-area-inset-top));flex-wrap:wrap;gap:10px}.land-nav{scrollbar-width:none;flex-wrap:nowrap;order:3;width:100%;margin-left:0;padding-bottom:2px;overflow-x:auto}.land-nav::-webkit-scrollbar{display:none}.land-pill{flex:none}.land-join{order:4;width:100%;margin-left:0}.land-join-open{align-items:stretch;max-width:none}.land-join-hint{text-align:left}.land-join input{flex:1;width:auto}.land-auth{margin-left:auto}.land-brand{font-size:22px}.home,.prejoin{padding:20px 16px calc(24px + env(safe-area-inset-bottom))}.home-card{padding:24px 18px}.import-modal{align-items:end;padding:12px}.import-modal .home-card{width:100%;margin-bottom:env(safe-area-inset-bottom)}.cab{flex-direction:column;grid-template-columns:none;min-height:100svh;display:flex}.cab-main{flex:1;min-height:0;overflow:auto}.cab-rail{-webkit-overflow-scrolling:touch;scrollbar-width:none;border-right:none;border-top:1px solid var(--line);padding:6px 6px calc(8px + env(safe-area-inset-bottom));flex-direction:row;order:2;align-items:stretch;gap:4px;overflow-x:auto}.cab-rail::-webkit-scrollbar{display:none}.cab-gap,.cab-rail .land-brand{display:none}.cab-rail a,.cab-soon{text-align:center;flex:1 0 auto;justify-content:center;align-items:center;width:auto;min-width:58px;height:auto;padding:8px 6px;font-size:10px;font-weight:700;line-height:1.15;display:flex}.cab-head{padding:12px 16px}.cab-body{padding:4px 16px 24px}.cab-body h1{font-size:28px}.cab-wide>.cab-stats{grid-template-columns:1fr 1fr}.stu-grid{grid-template-columns:1fr}.dir-filters{flex-direction:column}.dir-filters input,.dir-filters select,.dir-filters .primary{width:100%;min-width:0}.dir-cta-col{align-items:stretch;width:100%}.dir-cta{text-align:center;width:auto}.dir-row .primary.dir-cta{align-self:flex-start;width:max-content}.dir-ava.round{width:88px;height:88px}.avatar-presets{grid-template-columns:repeat(6,minmax(0,1fr))}.adm-chan-top{grid-template-columns:1fr 1fr}.les-filters input{width:100%;min-width:0}}.field{gap:6px;margin-bottom:14px;display:grid}.field span{color:var(--muted);font-size:13px}.cab-body select,.field select{border:1px solid var(--line);color:inherit;font:inherit;background:#0e0c0b;border-radius:12px;width:100%;padding:12px 14px}input{border:1px solid var(--line);background:#0e0c0b;border-radius:12px;outline:none;padding:12px 14px}input:focus{border-color:#c45c26b3}.primary,.ghost,.controls button,.toolbar button,.view-tabs button{border:1px solid var(--line);background:0 0;border-radius:12px;padding:11px 16px}a.primary,a.ghost,button.primary,button.ghost{justify-content:center;align-items:center;gap:8px;line-height:1.2;text-decoration:none;transition:background .15s,border-color .15s,color .15s,transform .12s;display:inline-flex}a.primary:focus-visible,a.ghost:focus-visible,button.primary:focus-visible,button.ghost:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}a.primary:active,a.ghost:active,button.primary:active,button.ghost:active{transform:translateY(1px)}.primary{background:var(--paper);width:100%;color:var(--ink);border:none;padding:13px 16px;font-weight:700}a.primary:hover,button.primary:hover{background:#fff8ef}a.ghost:hover,button.ghost:hover{background:#f3eee614;border-color:#f3eee647}.dir-row .primary.dir-cta{white-space:nowrap;flex:none;align-self:flex-start;width:max-content;max-width:none;padding:10px 16px;font-size:14px;display:inline-flex}.primary.cab-btn,.cab-head .primary,.cab-title-row .primary{width:auto;padding:8px 14px;font-size:14px;font-weight:650}.primary:disabled{opacity:.6;cursor:wait}.ghost{background:0 0}.home-card>.ghost,.cabinet-card>.ghost{width:100%;margin-top:8px}.home-card>.primary+.primary,.cabinet-card>.primary+.ghost{margin-top:8px}.or{text-align:center;color:var(--muted);margin:18px 0 12px;font-size:13px}.join-row{grid-template-columns:1fr auto;gap:8px;display:grid}.error,.toast{color:#f0b4a0;font-size:14px}.back{color:var(--muted);margin-top:16px;font-size:14px;display:inline-block}.home-notes{width:min(440px,100%);color:var(--muted);gap:8px;margin:22px auto 0;padding:0;font-size:14px;list-style:none;display:grid}.home-notes li:before{content:"— ";color:var(--accent-2)}.fx{font-family:Fraunces,Georgia,serif;font-size:15px;font-weight:650}.pages-bar{border-top:1px solid var(--line);background:#181412;flex-wrap:nowrap;grid-area:pages;align-items:center;gap:6px;padding:6px 12px;display:flex;overflow-x:auto}.pages-bar button{pointer-events:auto;border:1px solid var(--line);color:var(--paper);background:#14110fd1;border-radius:999px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;display:flex}.pages-bar button.on{background:var(--paper);color:var(--ink);border-color:#0000}.page-x{opacity:.45;font-size:14px}.page-x:hover{opacity:1}.page-add{justify-content:center;min-width:34px}.import-modal{z-index:30;background:#0a08078c;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.import-modal h2{margin:0 0 8px;font-family:Fraunces,Georgia,serif;font-size:28px}.html-layer{pointer-events:none;z-index:3;position:absolute;top:0;left:0;overflow:hidden}.html-layer .task-sheet{pointer-events:auto}.task-sheet{background:#fffdf8;border:1px solid #1c191729;border-radius:14px;flex-direction:column;display:flex;position:absolute;overflow:hidden;box-shadow:0 12px 32px #0000001f}.task-sheet-head{background:#f3eee6;border-bottom:1px solid #1c191714;justify-content:space-between;align-items:center;gap:8px;padding:8px 10px;display:flex}.task-sheet-head b{color:#1c1917;font-size:14px}.task-sheet-head button{color:#1c1917;background:#fff;border:1px solid #1c191726;border-radius:8px;width:auto;height:auto;padding:4px 8px;font-size:12px}.task-sheet-body{color:#1c1917;white-space:pre-wrap;-webkit-user-select:text;user-select:text;flex:1;max-height:640px;margin:0;padding:12px 14px 8px;font:15px/1.45 Manrope,sans-serif;overflow:auto}.task-sheet-hint{color:#7a7268;margin:0;padding:6px 14px 10px;font-size:12px}.formula-dock{z-index:7;width:min(520px,100% - 24px);box-shadow:var(--shadow);color:#1c1917;background:#fffdf8;border:1px solid #1c191733;border-radius:16px;padding:12px 14px 10px;position:absolute;bottom:78px;left:12px}.formula-head{justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;display:flex}.formula-dock p{margin:0;font-size:14px;font-weight:700}.formula-x{color:#1c1917;background:#f3eee6;border:1px solid #1c191726;border-radius:10px;width:32px;height:32px;padding:0;font-size:22px;line-height:1}.formula-line{color:#1c1917;letter-spacing:.01em;background:#fff;border:1px solid #1c19172e;border-radius:10px;width:100%;margin:0 0 8px;padding:10px 12px;font-size:16px}.formula-line:focus{border-color:#c45c26b3}.fx-keys{margin:6px 0 8px}.fx-tabs{gap:4px;margin-bottom:8px;display:flex}.fx-tabs button{color:#3a404c;background:#f3f5f8;border:none;border-radius:8px;height:28px;padding:0 10px;font-size:12px;font-weight:700}.fx-tabs button.on{color:#4f46e5;background:#ecefff}.fx-del{margin-left:auto}.fx-grid{grid-template-columns:repeat(6,1fr);gap:4px;display:grid}.fx-abc{grid-template-columns:repeat(9,1fr)}.fx-grid button{color:#f8fafc;background:#1f2937;border:none;border-radius:8px;height:36px;font-weight:650}.fx-grid button:hover{background:#334155}.media-card{color:#1a1d23;background:#fff;border:1px solid #1418201f;border-radius:12px;padding:8px 10px;font:650 13px Manrope,sans-serif}.media-card p{text-overflow:ellipsis;white-space:nowrap;margin:0 0 6px;overflow:hidden}.media-play-wrap{width:36px;height:36px;position:relative}.media-play-wrap audio{display:none}.media-play{color:#fff;cursor:pointer;background:#1a1d23;border:none;border-radius:50%;place-items:center;width:36px;height:36px;padding:0;display:grid}.media-play.big{background:#1a1d23e6;width:48px;height:48px;box-shadow:0 6px 18px #00000047}.media-play:hover{background:#c45c26}.media-seek{accent-color:#1a1d23;cursor:pointer;width:100%;height:16px;margin:0}.media-seek.light{accent-color:#fff}.media-video{background:#111318;border-radius:12px;width:100%;height:100%;position:relative;overflow:hidden}.media-video video{object-fit:contain;background:#111;width:100%;height:100%;display:block}.media-video-shade{color:#fff;pointer-events:none;background:linear-gradient(#0000,#0009);justify-content:space-between;gap:8px;padding:18px 12px 10px;font:650 12px Manrope,sans-serif;display:flex;position:absolute;bottom:0;left:0;right:0}.media-video-shade p{text-overflow:ellipsis;white-space:nowrap;max-width:72%;margin:0;overflow:hidden}.import-busy{color:var(--accent-2);font-size:14px}.formula-edit{z-index:7;min-width:220px;box-shadow:var(--shadow);color:#1c1917;background:#fffdf8;border:1px solid #1c191733;border-radius:12px;padding:10px;position:absolute}.formula-preview{color:#1c1917;align-items:center;min-height:44px;margin-bottom:8px;padding:6px 4px;font-size:20px;display:flex}.formula-edit input{color:#1c1917;background:#fff;width:100%;margin-bottom:8px}.formula-btns{flex-wrap:wrap;gap:4px;display:flex}.formula-btns button{color:#1c1917;background:#f3eee6;border:1px solid #1c191726;border-radius:8px;padding:4px 8px;font-size:13px}.katex-box{white-space:nowrap;line-height:1.15}.katex-box .katex{white-space:nowrap}.classroom{touch-action:none;background:var(--desk);grid-template:"top top top"52px"tools stage dock"minmax(0,1fr)/56px minmax(0,1fr) 200px;height:100%;max-height:100%;display:grid;position:relative;overflow:hidden}.topbar{border-bottom:1px solid var(--line);background:#181412;grid-area:top;align-items:center;gap:12px;padding:0 14px 0 16px;display:flex}.brand{color:inherit;background:0 0;border:none;margin-right:8px;padding:0;font-family:Fraunces,Georgia,serif;font-size:22px;text-decoration:none}.path-pill{color:var(--muted);background:#ffffff0a;border-radius:999px;align-items:center;gap:8px;padding:6px 10px;font-size:13px;display:flex}.path-pill i{background:#6b6560;border-radius:50%;width:8px;height:8px}.path-direct i{background:var(--direct);box-shadow:0 0 8px var(--direct)}.path-direct{color:#b7e3c8}.path-relay i{background:var(--relay);box-shadow:0 0 8px var(--relay)}.path-relay{color:#f0d48a}.code{font-variant-numeric:tabular-nums;color:var(--muted);letter-spacing:.08em}.subj-slot{align-items:center;gap:6px;display:flex;position:relative}.subj-pill{color:var(--muted);white-space:nowrap;background:#1418200f;border:none;border-radius:999px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:650;display:flex}.subj-caret{opacity:.7;font-size:10px}.subj-pill.on,.subj-kit.on{color:#3730a3;background:#eef2ff}.subj-kit{color:var(--muted);white-space:nowrap;background:#1418200f;border:none;border-radius:999px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:650;display:flex}.subj-pop{z-index:80;background:#fff;border:1px solid #1418201a;border-radius:14px;min-width:260px;padding:8px;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 12px 32px #14182029}.subj-pop .fly-item{color:#1a1d23;background:0 0;border:none;border-radius:10px;flex-direction:column;align-items:flex-start;gap:2px;width:100%;display:flex;height:auto!important;padding:8px 10px!important}.subj-pop .fly-item b{font-size:14px}.subj-pop .fly-item span{color:#6b7280;font-size:12px;font-weight:500}.subj-pop .fly-item:hover,.subj-pop .fly-item.on{background:#eef2ff}.timer-bar{font-variant-numeric:tabular-nums;align-items:center;gap:8px;display:flex}.elapsed{color:var(--muted);font-size:13px}.cd{color:var(--accent-2);font-weight:700}.cd.over,.count-overlay.over{color:#f0b4a0}.cd-btns{gap:4px;display:flex}.tiny{border:1px solid var(--line);color:var(--muted);background:0 0;border-radius:8px;padding:4px 7px;font-size:12px}.waiting{z-index:3;background:var(--desk-2);border:1px solid var(--line);width:min(320px,100% - 32px);box-shadow:var(--shadow);border-radius:16px;padding:16px;position:absolute;bottom:16px;left:16px}.waiting h2{margin:0 0 8px;font-family:Fraunces,Georgia,serif;font-size:22px}.wait-link{color:var(--muted);word-break:break-all;margin:10px 0 12px;font-size:11px;display:block}.count-overlay{z-index:2;color:var(--ink);pointer-events:none;background:#f3eee6e0;border-radius:12px;padding:4px 14px;font-family:Fraunces,Georgia,serif;font-size:42px;position:absolute;top:12px;right:16px}.board-text{z-index:6;resize:none;white-space:pre-wrap;word-wrap:break-word;caret-color:#4f46e5;-webkit-user-select:text;user-select:text;background:#fff;border:2px solid #4f46e5;border-radius:6px;outline:none;margin:0;padding:0 6px;font-family:Manrope,Segoe UI,sans-serif;line-height:1.35;position:absolute;overflow:hidden;box-shadow:0 0 0 4px #4f46e51f}.board-text::placeholder{color:#94a3b8;font-weight:500}.board-text[contenteditable]:empty:before{color:#94a3b8;content:attr(data-placeholder);font-weight:500}.board-text sup{vertical-align:super;font-family:inherit;font-size:.68em;line-height:0}.board-text sub{vertical-align:sub;font-family:inherit;font-size:.68em;line-height:0}.board-text.sticker-edit{box-shadow:none;background:0 0;border:none;padding:0}.text-bar-wrap{z-index:9;pointer-events:auto;position:absolute;transform:translate(-50%)}.text-bar{white-space:nowrap;background:#fff;border:1px solid #1418201a;border-radius:14px;align-items:center;gap:4px;padding:4px 6px;display:flex;box-shadow:0 10px 28px #14182024}.text-bar button{color:#1a1d23;background:0 0;border:none;border-radius:8px;place-items:center;width:32px;height:32px;font-size:13px;font-weight:700;display:grid}.text-bar button:hover{background:#f3f4f7}.text-bar button.on{color:#3730a3;background:#eef2ff}.tb-swatch{cursor:pointer;place-items:center;width:28px;height:28px;display:grid;position:relative}.tb-swatch i{border-radius:50%;width:18px;height:18px;box-shadow:0 0 0 2px #fff,0 0 0 3px #1418202e}.tb-swatch input{opacity:0;cursor:pointer;position:absolute;inset:0}.tb-size{align-items:center;gap:2px;padding:0 4px;display:flex}.tb-size b{text-align:center;font-variant-numeric:tabular-nums;min-width:22px;font-size:12px}.tb-size button{width:26px;height:26px}.tb-group{border-left:1px solid #14182014;border-right:1px solid #14182014;gap:2px;padding:0 4px;display:flex}.tb-pals{gap:4px;padding-left:6px;display:flex}.tb-dot{box-shadow:0 0 0 1px #1418201f;border-radius:50%!important;width:14px!important;height:14px!important;padding:0!important}.graph-grid{grid-template-columns:repeat(3,1fr);gap:6px;display:grid}.graph-cell{color:#1a1d23;background:#f6f7f9;flex-direction:column;align-items:center;gap:4px;font-size:11px;font-weight:650;line-height:1.15;border:1px solid #0000!important;border-radius:12px!important;width:auto!important;height:auto!important;padding:6px 4px 8px!important;display:flex!important}.graph-cell:hover,.graph-cell.on{background:#eef2ff;border-color:#c7d2fe!important}.fly-graphs{min-width:292px;max-width:320px}.board{-webkit-user-select:none;user-select:none;overscroll-behavior:none;touch-action:none;position:relative}.desk-fill{pointer-events:none}.tool-hint{z-index:4;color:var(--paper);pointer-events:none;white-space:nowrap;background:#14110fd1;border-radius:999px;padding:6px 12px;font-size:13px;position:absolute;top:12px;left:50%;transform:translate(-50%)}.toolbar{border-right:1px solid var(--line);z-index:20;background:#181412;flex-direction:column;grid-area:tools;align-items:center;gap:5px;min-height:0;padding:8px 6px;display:flex;position:relative;overflow:visible}.tool-slot{position:relative}.chev{opacity:.7;margin-left:-2px;font-size:9px}.tool-cap{color:var(--muted);writing-mode:vertical-rl;letter-spacing:.04em;margin-top:4px;font-size:10px;transform:rotate(180deg)}.flyout{z-index:40;background:var(--desk-2);border:1px solid var(--line);min-width:180px;box-shadow:var(--shadow);border-radius:14px;gap:4px;padding:8px;display:grid;position:absolute;top:0;left:calc(100% + 10px)}.fly-row{flex-direction:row;gap:8px;min-width:0;padding:10px;display:flex}.fly-colors{grid-template-columns:repeat(5,28px);gap:8px;min-width:0;padding:10px;display:grid}.fly-colors-few{grid-template-columns:repeat(4,32px)}.fly-colors-few .swatch{width:32px!important;height:32px!important}.dock-custom input[type=color]{cursor:pointer;background:0 0;border:none;width:42px;height:28px;padding:0}.fly-title{letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:2px 6px 6px;font-size:11px}.fly-item{justify-content:flex-start;align-items:center;gap:10px;font-size:14px;display:flex;border-radius:10px!important;width:100%!important;height:38px!important;padding:0 10px!important}.fly-hint{color:var(--muted);margin:6px 6px 2px;font-size:12px}.flyout{max-height:calc(100dvh - 72px);overflow-y:auto}.fly-shapes{min-width:280px}.shape-search{color:#1a1d23;background:#f4f6f8;border:1px solid #1418201f;width:calc(100% - 16px);margin:4px 8px 10px;padding:8px 10px;font-size:13px}.spin-row{color:#5b616c;align-items:center;gap:8px;margin:6px 4px;font-size:12px;display:flex}.spin-row span{width:14px}.spin-row input[type=range]{flex:1}.fly-tool{min-width:228px}.style-row{gap:4px;margin:0 6px 10px;display:flex}.style-row button{flex:1;font-size:12px;border-radius:8px!important;width:auto!important;height:32px!important}.shape-grid{grid-template-columns:repeat(4,48px);gap:14px;margin:8px 12px 14px;display:grid}.shape-cell{min-height:48px;color:var(--muted);box-sizing:border-box;place-items:center;overflow:hidden;border-radius:12px!important;width:48px!important;height:48px!important;padding:10px!important;display:grid!important}.shape-cell svg{flex-shrink:0;width:22px;height:22px;display:block}.shape-cell.on{color:var(--ink)}.size-row{flex-wrap:wrap;gap:6px;padding:2px 6px 10px;display:flex}.size-chip{place-items:center;border-radius:10px!important;width:36px!important;height:36px!important;padding:0!important;display:grid!important}.size-chip i{background:currentColor;border-radius:50%;min-width:4px;min-height:4px;display:block}.toolbar button{border-radius:14px;width:48px;height:48px;padding:0;font-size:16px;position:relative}.toolbar .chev{margin:0;font-size:8px;line-height:1;position:absolute;bottom:1px;right:3px}.toolbar button.on,.view-tabs button.on,.controls button.on{background:var(--paper);color:var(--ink);border-color:#0000}.toolbar button:disabled{opacity:.35}.tray-sep{background:var(--line);width:24px;height:1px;margin:4px 0}.swatch{border-radius:50%!important;width:28px!important;height:28px!important}.swatch.on{outline:2px solid var(--paper);outline-offset:2px}.nib{place-items:center;display:grid}.nib i{background:currentColor;border-radius:50%;min-width:4px;min-height:4px;display:block}.stage{background:#0c0a09;grid-area:stage;min-width:0;min-height:0;position:relative}.stage-board{width:100%;height:100%}.screen-stage{z-index:12;touch-action:none;-webkit-user-select:none;user-select:none;background:#0c0e12;place-items:center;display:grid;position:absolute;inset:0;overflow:hidden}.screen-view{object-fit:contain;touch-action:none;pointer-events:none;width:100%;height:100%}.screen-zoom-hint{color:#ffffffb8;pointer-events:none;font-size:12px;font-weight:650;position:absolute;bottom:18px;left:50%;transform:translate(-50%)}.board-hud{z-index:28;background:#fff;border:1px solid #1418201a;border-radius:12px;align-items:center;gap:2px;padding:4px 6px;display:flex;position:absolute;bottom:14px;right:14px;box-shadow:0 8px 24px #1418201f}.board-hud button,.board-hud span{color:#1a1d23;background:0 0;border:none;border-radius:8px;place-items:center;min-width:32px;height:32px;padding:0 8px;font-weight:700;display:grid}.board-hud button:hover{background:#f3f4f7}.board-hud button.on{color:#3730a3;background:#eef2ff}.board-hud span{font-variant-numeric:tabular-nums;font-size:12px}.rot-knob{z-index:10;color:#4f46e5;cursor:grab;background:#fff;border:2px solid #4f46e5;border-radius:50%;place-items:center;width:28px;height:28px;padding:0;display:grid;position:absolute;transform:translate(-50%,-50%);box-shadow:0 4px 14px #14182029}.rot-knob:hover{background:#eef2ff}.board-chrome{z-index:18;position:absolute;top:12px;left:12px}.board-chrome-bar{background:#fff;border:1px solid #1418201a;border-radius:12px;gap:2px;padding:4px;display:flex;box-shadow:0 8px 24px #1418201f}.board-chrome-bar button{color:#1a1d23;background:0 0;border:none;border-radius:8px;place-items:center;width:34px;height:34px;display:grid}.board-chrome-bar button:hover,.board-chrome-bar button.on{color:#3730a3;background:#eef2ff}.board-pop{color:#1a1d23;background:#fff;border:1px solid #1418201a;border-radius:14px;min-width:240px;max-height:min(70vh,520px);margin-top:8px;padding:8px;overflow-y:auto;box-shadow:0 12px 32px #14182029}.board-pop .fly-item{color:#1a1d23;background:0 0;border:none;border-radius:10px;justify-content:flex-start;width:100%;height:36px;padding:0 10px}.board-pop .fly-item:hover,.board-pop .fly-item.on{background:#eef2ff}.board-pops{align-items:flex-start;gap:8px;margin-top:8px;display:flex}.board-pops .board-pop{margin-top:0}.paper-grid{grid-template-columns:repeat(2,1fr);gap:6px;padding:4px 6px 10px;display:grid}.paper-cell{color:#1a1d23;background:#f6f7f9;flex-direction:column;align-items:center;gap:4px;font-size:11px;font-weight:650;line-height:1.1;border:1px solid #0000!important;border-radius:10px!important;width:auto!important;height:auto!important;padding:6px 4px 8px!important;display:flex!important}.paper-cell:hover,.paper-cell.on{background:#eef2ff;border-color:#c7d2fe!important}.fly-paper,.bg-pop{min-width:220px}.bg-grid{grid-template-columns:repeat(8,22px);gap:6px;padding:6px 8px 10px;display:grid}.bg-swatch{border:1px solid #14182029;border-radius:6px;width:22px;height:22px;padding:0}.bg-swatch.on{box-shadow:0 0 0 2px #fff,0 0 0 4px #4f46e5}.bg-custom{color:#3730a3;background:#eef2ff;border-radius:10px;justify-content:space-between;align-items:center;gap:10px;margin:0 8px 8px;padding:8px 10px;font-size:13px;font-weight:700;display:flex}.bg-custom input{cursor:pointer;background:0 0;border:none;width:36px;height:24px;padding:0}.search-line{color:#1a1d23;background:#fff;border:1px solid #c7d2fe;border-radius:10px;outline:none;width:100%;height:36px;margin-bottom:6px;padding:0 10px}.search-hit{align-items:center;gap:10px;display:flex}.search-hit em{text-align:center;color:#64748b;width:22px;font-style:normal;font-weight:800}.search-hit span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.tool-swatch{border-radius:50%;width:18px;height:18px;display:block;box-shadow:0 0 0 2px #fff,0 0 0 3px #1418202e}.sticker-body{color:#1a1d23;white-space:pre-wrap;word-break:break-word;pointer-events:none;flex-direction:column;justify-content:center;width:100%;height:100%;font-family:Manrope,sans-serif;line-height:1.25;display:flex;overflow:hidden}.sticker-body.al-left{text-align:left;justify-content:flex-start;align-items:flex-start}.sticker-body.al-center{text-align:center;justify-content:center;align-items:center}.sticker-body.al-right{text-align:right;justify-content:flex-start;align-items:flex-end}.fly-draw{min-width:220px}.flyout.fly-shapes{min-width:268px}.prop-dock.on-object{border-radius:14px;gap:0;padding:4px 6px;bottom:auto}.prop-dock.is-textbar{box-shadow:none;background:0 0;border:none;align-items:center;gap:8px;padding:0}.prop-dock.is-textbar .text-bar{box-shadow:0 10px 32px #14182029}.prop-dock.is-textbar .dock-item{background:#fff;border:1px solid #1418201a;border-radius:12px;height:40px;box-shadow:0 10px 32px #1418201f}.multi-dock{align-items:center;padding:6px 10px;top:16px;left:50%;transform:translate(-50%)}.prop-dock.on-object .dock-k{display:none}.prop-dock.on-object .dock-item{min-width:36px;height:36px;padding:0 8px}.prop-dock.on-object .dock-pop{max-height:min(380px,100dvh - 120px);top:calc(100% + 8px);bottom:auto}.dock-ico{min-width:36px!important;height:36px!important;padding:0!important}.align-ico{flex-direction:column;justify-content:center;gap:2.5px;width:14px;height:12px;display:flex}.align-ico i{background:currentColor;border-radius:1px;height:1.6px;display:block}.align-ico.left i{width:100%}.align-ico.left i:nth-child(2){width:70%}.align-ico.left i:nth-child(3){width:85%}.align-ico.center i{width:100%;margin:0 auto}.align-ico.center i:nth-child(2){width:62%}.align-ico.center i:nth-child(3){width:80%}.align-ico.right i{width:100%;margin-left:auto}.align-ico.right i:nth-child(2){width:70%}.align-ico.right i:nth-child(3){width:85%}.dock-ico.on{color:#2f6fed}.dock-ico svg{display:block}.dock-shape-name{text-overflow:ellipsis;white-space:nowrap;max-width:148px;overflow:hidden}.emoji-grid{grid-template-columns:repeat(8,32px);gap:4px;padding:2px 6px 8px;display:grid}.emoji-cell{font-size:18px;line-height:1;border-radius:8px!important;width:32px!important;height:32px!important;padding:0!important}.fly-emoji{min-width:292px}.flyout.fly-lite{color:#1a1d23;background:#fff;border:1px solid #1418201a;border-radius:16px;padding:12px;box-shadow:0 18px 50px #14182029}.flyout.fly-lite .fly-title{color:#8b919c;margin:8px 2px}.flyout.fly-lite .fly-item{color:#1a1d23;background:0 0}.flyout.fly-lite .fly-item.on,.flyout.fly-lite .fly-item:hover{background:#f3f5f8}.flyout.fly-lite .shape-cell{color:#4b5563;background:#f4f6f8;border:none;border-radius:12px!important}.flyout.fly-lite .shape-cell.on{color:#4f46e5;background:#ecefff;box-shadow:0 0 0 2px #6366f1}.fly-draw{min-width:268px;max-width:300px}.draw-menu{gap:10px;display:grid}.a-row{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.a-preview{color:#1a1d23;background:#f6f7f9;border:none;border-radius:14px;height:72px;font-size:38px;font-weight:700;line-height:1}.a-preview.a-ball{font-family:Segoe Script,Comic Sans MS,cursive}.a-preview.a-nib{font-family:Georgia,Times New Roman,serif;font-style:italic;font-weight:600}.a-preview.a-chalk{letter-spacing:-1px;opacity:.88;font-family:Manrope,sans-serif;font-weight:800}.a-preview.on{background:#ecefff;box-shadow:0 0 0 2px #6366f1}.nib-row{grid-template-columns:repeat(3,1fr);gap:6px;display:grid}.nib-row button{color:#5b616c;background:0 0;border:none;flex-direction:column;justify-content:center;align-items:center;gap:2px;font-size:11px;font-weight:650;border-radius:12px!important;width:auto!important;height:52px!important;display:flex!important}.nib-row button.on{color:#4f46e5;background:#ecefff}.draw-slider-wrap{min-width:0}.draw-slider-head{color:#5b616c;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;font-size:12px;font-weight:650;display:flex}.draw-badge-inline{color:#fff;background:#4f46e5;border-radius:6px;place-items:center;min-width:28px;height:20px;padding:0 7px;font-size:11px;font-weight:700;display:grid}.draw-slider{accent-color:#6366f1;cursor:pointer;width:100%;height:4px}.draw-colors{grid-template-columns:repeat(7,28px);justify-content:start;gap:8px;display:grid}.draw-swatch{border:1px solid #1418201a;position:relative;border-radius:50%!important;width:28px!important;height:28px!important;padding:0!important}.draw-swatch.on{box-shadow:0 0 0 2px #fff,0 0 0 4px #6366f1}.draw-plus{color:#5b616c;place-items:center;font-size:18px;overflow:hidden;background:#f3f5f8!important;display:grid!important}.draw-plus input{opacity:0;cursor:pointer;position:absolute;inset:0}.eraser-menu{align-items:center;gap:12px;min-width:268px;display:flex;overflow:hidden}.eraser-menu .erase-icons{flex-direction:column;flex-shrink:0;gap:6px;display:flex}.erase-slide{flex:1;min-width:0}.erase-icons button{color:#3a404c;background:#f3f5f8;border:none;border-radius:12px!important;width:44px!important;height:44px!important}.erase-icons button.on{color:#4f46e5;background:#ecefff;box-shadow:0 0 0 2px #6366f1}.dock-pop-visual{min-width:240px;padding:12px}.dash-row{gap:6px;margin:0 0 10px;display:flex}.dash-preview{color:#1a1d23;background:#f4f6f8;border:none;flex:1;border-radius:10px!important;width:auto!important;height:36px!important}.dash-preview.on{color:#4f46e5;background:#ecefff;box-shadow:0 0 0 2px #6366f1}.dock-swatch.empty{background:linear-gradient(45deg,#d4d4d8 25%,#0000 25%) 0 0/8px 8px,linear-gradient(-45deg,#d4d4d8 25%,#0000 25%) 0 4px/8px 8px,linear-gradient(45deg,#0000 75%,#d4d4d8 75%) 4px -4px/8px 8px,linear-gradient(-45deg,#0000 75%,#d4d4d8 75%) -4px 0/8px 8px,#fff}.dock-swatch.ring{box-shadow:inset 0 0 0 2px #fff,0 0 0 1.5px}.size-row-few{gap:6px}.size-chip.sm{font-size:13px;font-weight:700;width:36px!important;height:32px!important}.draw-swatch.empty{background:linear-gradient(45deg,#d4d4d8 25%,#0000 25%) 0 0/8px 8px,linear-gradient(-45deg,#d4d4d8 25%,#0000 25%) 0 4px/8px 8px,#fff}.sticker-edit{resize:none;box-shadow:none!important;background:0 0!important;border:none!important}.emoji-grid{grid-template-columns:repeat(8,28px);max-height:220px;overflow-y:auto}.board-thumb{background:#fff;border:none;width:100%;padding:0}.board-thumb .board,.board-thumb .board-paper{pointer-events:none;background:#fff}.stage-video{position:absolute;inset:0}.stage-video .tile-large{aspect-ratio:auto;background:#111;border:none;border-radius:0;width:100%;height:100%}.stage-video .tile-large video{object-fit:contain;background:#111}.board,.screen-view{width:100%;height:100%}.board{touch-action:none;overflow:hidden}.board-paper{background:#14110f;width:100%;height:100%;position:relative}.board-svg{width:100%;height:100%;display:block}.screen-view{object-fit:contain;background:#000}.screen-preload{opacity:0;pointer-events:none;width:2px;height:2px;position:absolute;overflow:hidden}.view-tabs{z-index:12;border:1px solid var(--line);box-shadow:var(--shadow);background:#14110ff0;border-radius:14px;gap:4px;padding:4px;display:flex;position:absolute;top:10px;left:10px}.view-tabs button{color:var(--paper);background:0 0;border:none;border-radius:10px;padding:8px 14px;font-weight:650;position:relative}.view-tabs button.on{background:var(--paper);color:var(--ink)}.view-tabs button.unread{color:#1a1d23;background:#fff7d6}.view-tabs .unread-dot{top:5px;right:6px}.dock{border-left:1px solid var(--line);background:#181412;flex-direction:column;grid-area:dock;gap:8px;min-height:0;padding:10px;display:flex;overflow:auto}.tile{aspect-ratio:4/3;border:1px solid var(--line);cursor:pointer;background:#2a2420;border-radius:18px;flex:1 1 0;min-height:148px;position:relative;overflow:hidden}.tile video{object-fit:cover;width:100%;height:100%}.tile video.mirror{transform:scaleX(-1)}.tile-dim{opacity:.92}.tile-ph{color:var(--paper-2);background:#2a2420;place-content:center;justify-items:center;gap:4px;font-family:Fraunces,Georgia,serif;display:grid;position:absolute;inset:0}.tile-ph b{font-size:36px;font-weight:650}.tile-ph span{color:var(--muted);font-family:Manrope,sans-serif;font-size:12px}.tile-name{color:#fff;text-shadow:0 1px 2px #00000073;pointer-events:none;background:#0f1218d1;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:650;position:absolute;bottom:8px;left:8px}.share-hint{color:var(--accent-2);margin:0;font-size:12px}.follow-card{color:#1a1d23;background:#eef3fd;border-radius:12px;margin-top:4px;padding:10px 10px 8px}.follow-card.paused{background:#f3f4f7}.follow-card p{margin:0 0 8px;font-size:12px;line-height:1.35}.follow-card button{color:#fff;background:#1a1d23;border:none;border-radius:8px;width:100%;padding:7px 10px;font-size:12px;font-weight:650}.follow-card.paused button{background:#2d6cdf}.controls{border-top:1px solid var(--line);background:#181412;grid-area:controls;justify-content:center;align-items:center;gap:8px;display:flex}.controls button.off{color:#f0b4a0;border-color:#c2410c66}.danger{color:#f0b4a0;background:#c2410c29;border-radius:12px;padding:11px 16px;text-decoration:none}.minimap{margin-top:4px}.minimap p{letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 6px;font-size:11px}.minimap svg{cursor:pointer;border-radius:8px;width:100%;height:auto;display:block}.zoom-row{align-items:center;gap:6px;margin-top:8px;display:flex}.zoom-btn{color:#1a1d23;background:#f3f4f7;border:none;border-radius:8px;width:28px;height:28px;padding:0;font-size:16px;line-height:1}.zoom-slider{accent-color:#2d6cdf;flex:1;min-width:0;height:4px}.zoom-pct{font-variant-numeric:tabular-nums;min-width:40px;color:var(--muted);text-align:right;font-size:12px}.chat{background:var(--desk-2);border:1px solid var(--line);width:min(320px,100vw - 32px);height:360px;box-shadow:var(--shadow);z-index:5;border-radius:16px;flex-direction:column;display:flex;position:absolute;bottom:112px;right:212px}.chat-log{flex:1;align-content:start;gap:8px;padding:12px;display:grid;overflow:auto}.chat-line{gap:2px;font-size:14px;display:grid}.chat-line b{color:var(--accent-2);font-size:12px}.chat-line b.student{color:#8fb7e8}.muted{color:var(--muted)}.chat-head{letter-spacing:.04em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:8px;padding:10px 10px 8px 14px;font-size:13px;font-weight:700;display:flex}.chat-x{width:28px;height:28px;color:inherit;background:0 0;border:none;border-radius:8px;flex-shrink:0;padding:0;font-size:22px;line-height:1}.chat-x:hover{background:#14182012}.chat-form{grid-template-columns:1fr auto;gap:6px;padding:10px;display:grid}.chat-form button{width:42px}.chat-form input{color:#1a1d23;background:#f3f4f7;border:1px solid #1418201a}.toast{background:#3a221c;border-radius:10px;padding:8px 12px;position:fixed;bottom:86px;left:50%;transform:translate(-50%)}.prop-bar,.prop-dock{z-index:18;color:#1a1d23;background:#fff;border:1px solid #1418201a;border-radius:16px;align-items:center;gap:2px;padding:4px 6px;display:flex;position:absolute;bottom:16px;left:50%;transform:translate(-50%);box-shadow:0 10px 32px #14182029}.prop-sep{background:#1418201f;align-self:center;width:1px;height:28px;margin:6px 4px}.prop-del,.dock-del{color:#c2410c}.dock-slot{align-items:center;display:flex;position:relative}.dock-item{color:#1a1d23;background:0 0;border:none;border-radius:10px;flex-direction:row;justify-content:center;align-items:center;gap:0;min-width:36px;height:36px;padding:0 10px;display:flex}.dock-item:hover,.dock-item.open{background:#f3f4f7}.dock-k{letter-spacing:.1em;text-transform:uppercase;color:#1a1d237a;min-height:10px;font-size:10px;font-weight:700;line-height:1}.dock-v{justify-content:center;align-items:center;min-height:20px;font-size:13px;font-weight:700;line-height:1;display:flex}.dock-swatch{border-radius:50%;width:18px;height:18px;display:block;box-shadow:inset 0 0 0 1px #1418202e}.dock-pop{z-index:30;color:#1a1d23;background:#fff;border:1px solid #14182014;border-radius:16px;gap:6px;min-width:196px;max-height:min(420px,58dvh);padding:10px;display:grid;position:absolute;bottom:calc(100% + 8px);left:50%;overflow-y:auto;transform:translate(-50%);box-shadow:0 16px 40px #1418201f}.dock-pop-shapes{min-width:232px}.dock-slot:first-child .dock-pop{left:0;transform:none}.dock-slot:last-child .dock-pop{left:auto;right:0;transform:none}.dock-custom{color:#1a1d2399;align-items:center;gap:8px;margin:4px 6px 6px;font-size:13px;display:flex}.dock-custom input{color:#1a1d23;background:#f3f4f7;border:1px solid #1418201f;border-radius:8px;width:72px;padding:6px 8px}.stage-board{position:relative}.classroom{--ink:#1a1d23;--paper:#fff;--paper-2:#f4f6f8;--desk:#e4e7ee;--desk-2:#fff;--line:#14182014;--muted:#1a1d2385;--accent:#2f6fed;--accent-2:#3b7cf0;--shadow:0 8px 28px #14182014;color:var(--ink);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light only;forced-color-adjust:none;background:#e4e7ee}.classroom .stage,.classroom .game-board,.classroom .game-wrap,.classroom .gp{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light only;forced-color-adjust:none}.classroom .topbar,.classroom .toolbar,.classroom .dock,.classroom .pages-bar,.classroom .controls{border-color:var(--line);background:#fff}.classroom .toolbar{border:1px solid var(--line);box-shadow:var(--shadow);scrollbar-width:none;border-radius:18px;justify-content:space-between;gap:1px;margin:8px 0 8px 6px;padding:6px 4px;overflow:hidden}.classroom .toolbar::-webkit-scrollbar{width:0;height:0;display:none}.classroom .toolbar button{color:#3a404c;border:none;border-radius:11px;flex:1 1 0;width:40px;height:40px;min-height:28px;max-height:42px}.classroom .toolbar button svg{width:22px;height:22px}.classroom .toolbar .fx{font-size:13px}.classroom .toolbar .tray-sep{flex:none;width:22px;margin:2px 0}.classroom .toolbar button:hover{background:#f3f5f8}.classroom .toolbar .shape-cell{margin:0;width:48px!important;height:48px!important}.game-wrap{z-index:5;pointer-events:none;flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:0;display:flex;position:absolute;inset:18px 18px 18px 74px;overflow:hidden}.game-bar{pointer-events:auto;background:#fff;border-radius:14px;flex-shrink:0;align-items:center;gap:12px;padding:8px 14px;font-family:Manrope,sans-serif;display:flex;box-shadow:0 10px 28px #14182024}.game-bar b{font-size:15px}.game-bar span{color:#5b616c;font-size:13px}.game-bar button{background:#f3f4f7;border:none;border-radius:10px;padding:6px 10px;font-weight:600}.game-pick{pointer-events:auto;background:#fff;border-radius:14px;flex-wrap:wrap;flex-shrink:0;align-items:center;gap:8px;padding:10px 14px;font-family:Manrope,sans-serif;display:flex;box-shadow:0 10px 28px #14182024}.game-pick p{margin:0 8px 0 0;font-weight:700}.game-pick button{color:#3730a3;background:#eef2ff;border:none;border-radius:10px;padding:8px 12px;font-weight:700}.game-board.dim{opacity:.45;pointer-events:none}.classroom.has-game .prop-dock{z-index:22;top:auto;bottom:10px;transform:translate(-50%)}.classroom.has-game .game-wrap{bottom:8px}.game-row{pointer-events:none;flex:1 1 0;align-items:stretch;gap:16px;min-height:0;max-height:min(72vh,640px);display:flex}.game-row .game-board{pointer-events:auto}.game-side{pointer-events:auto;background:#fff;border-radius:14px;flex-direction:column;flex:0 0 220px;width:220px;height:100%;min-height:0;max-height:100%;padding:10px 12px;font-family:Manrope,sans-serif;display:flex;overflow:hidden;box-shadow:0 10px 28px #14182024}.game-side-h{flex-shrink:0;margin:0 0 8px;font-size:13px;font-weight:800}.game-hist{overscroll-behavior:contain;scrollbar-width:thin;flex:1 1 0;min-height:0;margin:0;padding:0;font-size:13px;line-height:1.55;list-style:none;overflow-y:auto}.game-hist li{color:#1c1917;flex-wrap:wrap;align-items:baseline;gap:2px 4px;display:flex}.game-hist li b{color:#5b616c;min-width:1.7em;font-weight:700}.game-hist button{font:inherit;color:inherit;background:0 0;border:none;border-radius:6px;margin-right:4px;padding:1px 5px;font-weight:650}.game-hist button:hover{background:#f3f4f7}.game-hist button.on{background:#fde68a}.game-scrub{flex-shrink:0;gap:4px;margin:0 0 8px;display:flex}.game-scrub button{background:#f3f4f7;border:none;border-radius:8px;flex:1;padding:6px 4px;font-size:12px;font-weight:700}.game-scrub button:disabled{opacity:.35}.game-board.review{outline-offset:2px;outline:3px solid #facc15}.game-over{color:#b45309;font-size:13px}.game-ask{background:#fef3c7;border-radius:10px;flex-shrink:0;margin:8px 0;padding:8px;font-size:12px}.game-ask button{margin-right:6px}.game-acts{flex-direction:column;flex-shrink:0;gap:6px;margin-top:10px;display:flex}.game-acts button{background:#f3f4f7;border:none;border-radius:10px;padding:8px 10px;font-weight:700}.game-acts button:disabled{opacity:.4}.game-board{pointer-events:auto;aspect-ratio:1;border-radius:8px;flex:none;grid-template-rows:repeat(8,1fr);grid-template-columns:repeat(8,1fr);width:auto;height:100%;display:grid;overflow:hidden;box-shadow:0 18px 40px #14182038}.gsq{border:none;place-items:center;padding:6%;display:grid;position:relative}.gsq.on{outline-offset:-3px;outline:3px solid #facc15}.gsq.go:after{content:"";background:#22c55e8c;border-radius:50%;width:28%;height:28%;position:absolute}.gp{filter:drop-shadow(0 2px 2px #00000040);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light only;forced-color-adjust:none;width:86%;height:86%}.gfile,.grank{opacity:.7;font-family:Manrope,sans-serif;font-size:10px;font-style:normal;font-weight:700;position:absolute}.gfile{bottom:2px;right:3px}.grank{top:2px;left:3px}.classroom .topbar{height:52px;min-height:52px;box-shadow:0 1px 0 var(--line);z-index:50;pointer-events:auto;flex-shrink:0;gap:8px;padding:0 12px 0 16px;position:relative;overflow:visible}.classroom .topbar>:not(.top-grow){flex-shrink:0}.classroom .top-grow{flex:1;min-width:0}.classroom .subj-slot{margin-left:0}.classroom .controls{z-index:40;pointer-events:auto;position:relative}.classroom .pages-bar{background:#f7f8fb;padding:8px 16px}.classroom .pages-bar button{color:#5b616c;background:0 0;border:none;font-weight:650}.page-nav{font-size:18px;width:32px!important}.page-now{color:#1a1d23;white-space:nowrap;padding:0 8px;font-size:13px;font-weight:700}.classroom .pages-bar button.on{color:#fff;background:#1a1d23;box-shadow:0 2px 8px #1a1d232e}.classroom .pages-bar button.on .page-x{color:#fff;opacity:.7}.classroom .controls{box-shadow:0 -1px 0 var(--line);background:#fff;gap:4px;padding:8px 12px 10px}.classroom .ctrl{color:#1a1d23;background:0 0;border:none;border-radius:14px;flex-direction:column;align-items:center;gap:4px;min-width:70px;padding:4px 8px 2px;text-decoration:none;display:flex}.classroom .ctrl:hover{background:#f4f6f8}.ctrl-ico{color:#1a1d23;background:#eef1f6;border-radius:50%;place-items:center;width:44px;height:44px;display:grid;position:relative}.unread-dot{background:#facc15;border-radius:50%;width:11px;height:11px;animation:1.1s ease-in-out infinite unreadPulse;position:absolute;top:4px;right:4px;box-shadow:0 0 0 2px #fff}@keyframes unreadPulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.25)}}.classroom .ctrl.unread{background:#fef3c7;animation:1.1s infinite chat-pulse;box-shadow:0 0 0 3px #f59e0b80}@keyframes chat-pulse{50%{box-shadow:0 0 0 6px #f59e0b26}}.classroom .ctrl.unread .ctrl-ico{background:#fff7d6}.classroom .ctrl.on .ctrl-ico{color:#fff;background:#1a1d23}.classroom .ctrl.off .ctrl-ico,.classroom .ctrl.danger .ctrl-ico{color:#fff;background:#e11d48}.ctrl-lab{letter-spacing:.01em;color:#5b616c;font-size:11px;font-weight:650}.classroom .ctrl.on .ctrl-lab,.classroom .ctrl.off .ctrl-lab,.classroom .ctrl.danger .ctrl-lab{color:#1a1d23}.classroom .dock{background:#fff;align-content:start;gap:8px;padding:8px;overflow:auto}.classroom .tile{aspect-ratio:4/3;background:#1e2430;border:none;border-radius:14px;flex:none;width:100%;min-height:0;box-shadow:0 8px 22px #1418201a}.classroom .brand{letter-spacing:-.03em;font-size:26px}.classroom .board-paper{background:#eef1f5}.classroom .toolbar button.on{color:#fff;background:#1a1d23;border-color:#0000}.classroom .toolbar button svg [data-band]{fill:#fff}.classroom .toolbar button.on svg [data-band]{fill:#1a1d23}.classroom .path-pill{color:var(--muted);background:#f3f4f7;font-weight:650}.classroom .path-direct{color:#1f6b3a;background:#e8f6ee}.classroom .path-relay{color:#9a6b00;background:#fff6e5}.classroom .code{color:var(--muted);font-size:12px}.classroom .tool-hint{color:#1a1d23;background:#fffffff5;font-weight:600;transition:opacity .45s;box-shadow:0 6px 20px #1418201a}.tool-hint.off{opacity:0;pointer-events:none}.classroom .board-thumb{border:1px solid var(--line);background:#fff}.classroom .copy-link{color:#1a1d23;background:#fff;border:1px solid #1418201f;border-radius:999px;padding:8px 14px;font-weight:700}.classroom .copy-link:hover{color:#fff;background:#1a1d23}.classroom .copy-link.end-lesson{color:#9f1239}.classroom .copy-link.end-lesson:hover{color:#fff;background:#e11d48}.classroom .stage{background:#fff}.classroom .view-tabs{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}.classroom .view-tabs button{color:#5b616c}.classroom .view-tabs button.on{color:#fff;background:#1a1d23}.classroom .view-tabs button.unread{color:#1a1d23;background:#fff7d6}.classroom .tile-ph{color:#fff;background:#252b38}.classroom .tile-ph.cam-off{background:#3a261c}.classroom .tile-ph.cam-off span{color:#e7a15b;font-weight:700}.classroom .tile-kick{z-index:3;color:#fff;cursor:pointer;background:#141820b8;border:none;border-radius:8px;width:22px;height:22px;padding:0;font-size:16px;line-height:1;position:absolute;top:6px;right:6px}.classroom .tile-kick:hover{background:#c2410c}.lock-note{color:#5b616c;writing-mode:vertical-rl;margin:8px 6px;padding:8px 6px;font-size:11px;font-weight:700;line-height:1.3;transform:rotate(180deg)}.tile-name em{opacity:.75;margin-left:6px;font-style:normal;font-weight:500}.classroom .flyout{color:#1a1d23;border-color:var(--line);background:#fff}.classroom .fly-title,.classroom .shape-cell{color:var(--muted)}.classroom .shape-cell.on{color:#1a1d23;background:#f3f4f7}.classroom .waiting{z-index:23;color:#1a1d23;background:#fff;border:1px solid #1418201a;bottom:68px;left:16px;box-shadow:0 12px 32px #14182024}.classroom .waiting .primary{color:#fff;background:#1a1d23;border:none;border-radius:10px;width:100%;padding:10px 16px;font-weight:700}.classroom .waiting .primary:hover{background:#2d323c}.classroom .tile-name{color:#fff;background:#0f1218db}.classroom .wait-link{color:var(--muted)}.classroom .tiny{color:#5b616c;background:#f3f4f7;border:none;border-radius:999px;padding:4px 8px}.classroom .swatch.on{outline-color:#1a1d23}.classroom .chat{color:#1a1d23;border-color:var(--line);z-index:32;background:#fff;border-radius:18px;width:min(420px,100vw - 48px);height:min(420px,100dvh - 160px);bottom:84px;right:216px;box-shadow:0 16px 48px #14182029}.classroom .lesson-acts{margin-left:4px}.classroom .lesson-acts button{color:#1a1d23;border-color:#1418201f;position:relative}.classroom .lesson-acts button.on{color:#fff;background:#1a1d23;border-color:#0000}.classroom .lesson-acts button.off,.classroom .lesson-acts button.danger{color:#fff;background:#e11d48;border-color:#0000}.classroom .lesson-acts button.unread{background:#fff7d6}.pages-dock{z-index:22;grid-area:stage;width:max-content;max-width:min(62%,100% - 240px);position:absolute;bottom:12px;left:12px}.pages-dock .pages-bar{border:1px solid var(--line);background:#fff;border-radius:14px;grid-area:auto;width:max-content;max-width:100%;padding:5px 6px;box-shadow:0 8px 24px #1418201f}.call-peek{z-index:40;pointer-events:none;grid-area:stage;width:max-content;position:absolute;top:auto;bottom:0;left:50%;overflow:visible;transform:translate(-50%)}.call-peek>*{pointer-events:auto}.call-dock{flex-direction:column;align-items:center;transition:transform .35s;display:flex;position:relative;transform:translateY(calc(100% - 22px))}.call-peek.pinned .call-dock,.call-peek.on .call-dock{transform:translateY(0)}.call-fold{z-index:4;border:1px solid var(--line);color:#3d434c;cursor:pointer;background:#eef1f5;border-bottom:none;border-radius:11px 11px 0 0;place-items:center;width:68px;height:22px;margin:0 0 0 -34px;padding:0;line-height:0;display:grid;position:absolute;top:-20px;left:50%;box-shadow:0 -6px 14px #1418201a}.call-fold:hover{color:#1a1d23;background:#e4e8ee}.call-fold svg{transition:transform .25s;display:block}.call-peek:not(.pinned) .call-fold svg{transform:rotate(180deg)}.call-tray{z-index:1;border:1px solid var(--line);background:#fff;border-bottom:none;border-radius:18px 18px 0 0;justify-content:center;align-items:flex-end;gap:2px;width:max-content;padding:10px;display:flex;position:relative;box-shadow:0 -10px 28px #1418201a}.erase-picks{grid-template-columns:1fr 1fr;gap:6px;display:grid}.erase-picks button{color:#1a1d23;background:#f4f6f8;font-weight:700;border:none!important;border-radius:12px!important;width:100%!important;height:40px!important}.erase-picks button.on{color:#fff;background:#1a1d23}.classroom .chat input,.classroom .chat-form input{color:#1a1d23;background:#f3f4f7;border:1px solid #1418201a}.classroom .chat-form button{color:#fff;background:#1a1d23;border:none;border-radius:10px}.classroom .chat-x:hover{background:#f3f5f8}.classroom .subj-pill,.classroom .subj-kit{color:#5b616c;background:#f3f4f7}.classroom .subj-pill.on,.classroom .subj-kit.on{color:#3730a3;background:#eef2ff}.sticker-body sup,.board-text sup{vertical-align:super;font-size:.68em;line-height:0}.sticker-body sub,.board-text sub{vertical-align:sub;font-size:.68em;line-height:0}.board-table{width:100%;height:100%;font-family:Manrope,sans-serif;position:relative}.board-table table{border-collapse:collapse;table-layout:fixed;background:#fff;width:100%;height:100%}.board-table td{vertical-align:top;border:1px solid #94a3b8;padding:0}.tbl-cell{color:#1a1d23;overflow-wrap:anywhere;word-break:break-word;white-space:pre-wrap;outline:none;height:100%;min-height:24px;padding:5px 7px;font-size:13px;line-height:1.3;overflow:hidden}.board-table.sel td:focus-within{outline-offset:-2px;outline:2px solid #4f46e5}.tbl-add{color:#fff;background:#4f46e5;border:none;border-radius:50%;place-items:center;width:22px;height:22px;padding:0;font-size:16px;line-height:1;display:grid;position:absolute;box-shadow:0 4px 10px #4f46e559}.tbl-add.col{top:50%;right:-11px;transform:translateY(-50%)}.tbl-add.row{bottom:-11px;left:50%;transform:translate(-50%)}.tbl-split-col{cursor:col-resize;z-index:3;width:8px;margin-left:-4px;position:absolute;top:0;bottom:0}.tbl-split-row{cursor:row-resize;z-index:3;height:8px;margin-top:-4px;position:absolute;left:0;right:0}.tbl-rich,.card-rich{z-index:4;position:absolute;top:-78px;left:50%;transform:translate(-50%)}.card-rich{top:-52px}.rich-bar{background:#fff;border:1px solid #e5e7eb;border-radius:12px;align-items:center;gap:4px;padding:4px 8px;display:flex;box-shadow:0 8px 20px #1418201f}.rich-bar button{min-height:28px;border-radius:8px!important;width:28px!important;height:28px!important;padding:0!important}.rich-bar .tb-pals{gap:3px;display:flex}.tbl-fills{background:#fff;border:1px solid #e5e7eb;border-radius:999px;gap:5px;padding:5px 7px;display:flex;position:absolute;top:-36px;left:50%;transform:translate(-50%);box-shadow:0 8px 20px #1418201f}.tbl-fill{cursor:pointer;border:1px solid #14182029;border-radius:4px;width:16px;height:16px;padding:0}.fly-table{min-width:248px;padding-bottom:10px}.tbl-picker{padding:4px 10px 8px}.tbl-picker-row{gap:3px;margin-bottom:3px;display:flex}.tbl-picker-cell{min-height:16px;background:#fff!important;border:1px solid #cbd5e1!important;border-radius:3px!important;width:16px!important;height:16px!important;padding:0!important}.tbl-picker-cell.on{background:#818cf8!important;border-color:#4f46e5!important}.flip-scene{perspective:900px;width:100%;height:100%;font-family:Manrope,sans-serif;position:relative}.flip-inner{width:100%;height:100%;transform-style:preserve-3d;border-radius:14px;transition:transform .55s cubic-bezier(.2,.7,.2,1);position:relative}.flip-inner.is-back{transform:rotateY(180deg)}.flip-face{backface-visibility:hidden;pointer-events:none;border-radius:14px;flex-direction:column;display:flex;position:absolute;inset:0;overflow:hidden}.flip-face.back{transform:rotateY(180deg)}.flip-scene{pointer-events:none}.flip-btn,.flip-scene.is-edit .flip-inner:not(.is-back) .flip-face.front,.flip-scene.is-edit .flip-inner.is-back .flip-face.back{pointer-events:auto}.flip-face-body{flex-direction:column;flex:1;min-height:0;display:flex}.flip-img-wrap{flex:0 0 42%;min-height:72px;position:relative;overflow:hidden}.flip-img-wrap img{object-fit:cover;width:100%;height:100%;display:block}.flip-img-del{color:#fff;background:#1418208c;border:none;border-radius:50%;width:22px;height:22px;padding:0;font-size:14px;line-height:1;position:absolute;top:6px;right:6px}.flip-img-add{background:#e0e7ff;border:none;border-radius:12px;place-items:center;width:34px;height:34px;padding:0;font-size:16px;display:grid;position:absolute;bottom:10px;left:10px}.flip-body{text-align:center;color:#1a1d23;outline:none;flex:1;justify-content:center;align-items:center;padding:18px 16px 52px;font-size:28px;font-weight:700;line-height:1.25;display:flex;overflow:auto}.flip-body:empty:before{content:attr(data-placeholder);color:#94a3b8;font-weight:500}.flip-btn-host{pointer-events:auto;place-items:center;width:44px;height:44px;display:grid}.flip-btn{color:#5b21b6;z-index:2;background:#ddd6fe;border:none;border-radius:12px;place-items:center;width:34px;height:34px;padding:0;font-size:18px;display:grid;position:relative;bottom:auto;right:auto}.kit-panel{z-index:6;background:var(--desk-2);border:1px solid var(--line);width:min(420px,100vw - 360px);max-height:calc(100dvh - 200px);box-shadow:var(--shadow);border-radius:18px;flex-direction:column;display:flex;position:absolute;top:64px;left:auto;right:16px;overflow:hidden}.kit-panel.wide{width:min(760px,100vw - 340px)}.classroom .kit-panel{color:#1a1d23;background:#fff;box-shadow:0 16px 48px #14182029}.kit-head{letter-spacing:.04em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:10px 10px 8px 14px;font-size:13px;font-weight:700;display:flex}.kit-tabs{gap:4px;padding:8px 10px 0;display:flex}.kit-tabs button{color:#1a1d23;background:#f4f6f8;border:none;border-radius:10px;flex:1;padding:7px 8px;font-size:12px;font-weight:700}.kit-tabs button.on{color:#fff;background:#1a1d23}.kit-body{min-height:0;padding:10px;overflow:auto}.kit-hint{color:var(--muted);border-top:1px solid var(--line);margin:0;padding:8px 12px 10px;font-size:11px}.kit-mine{gap:8px;display:grid}.kit-mine-row{grid-template-columns:1fr auto;align-items:stretch;gap:6px;display:grid}.kit-mine-row .kit-formula{width:100%}.kit-mine-x{color:#5b616c;background:#f4f6f8;border:none;border-radius:10px;width:32px;font-size:18px;line-height:1}.kit-empty{color:#5b616c;margin:4px 2px 8px;font-size:12px}.kit-add{border-top:1px solid #14182014;gap:8px;padding-top:8px;display:grid}.kit-add-kinds{gap:6px;display:flex}.kit-add-kinds button{background:#f4f6f8;border:none;border-radius:8px;flex:1;height:32px;font-size:12px;font-weight:700}.kit-add-kinds button.on{color:#fff;background:#1a1d23}.kit-add input,.kit-add textarea{width:100%;font:inherit;color:#1a1d23;resize:vertical;background:#fff;border:1px solid #1418201f;border-radius:10px;padding:8px 10px;font-size:13px}.kit-add-btn{color:#fff;background:#1a1d23;border:none;border-radius:10px;height:36px;font-size:13px;font-weight:700}.kit-add-btn:disabled{opacity:.4}.kit-list{gap:6px;display:grid}.kit-formula{text-align:left;color:#1a1d23;background:#f4f6f8;border:none;border-radius:12px;gap:4px;width:100%;padding:8px 10px;display:grid}.kit-formula small{color:#1a1d2380;font-size:11px;font-weight:650}.kit-formula .katex-box,.kit-formula .katex{white-space:normal}.kit-formula:hover{background:#e8ebf0}.kit-formula.on{color:#fff;background:#1a1d23}.kit-formula.on small{color:#ffffffa6}.kit-formula.on .katex{color:#fff}.kit-chips{flex-wrap:wrap;gap:6px;display:flex}.kit-chip{color:#1a1d23;background:#f4f6f8;border:none;border-radius:999px;padding:8px 12px;font-size:13px;font-weight:650}.kit-chip:hover{background:#e8ebf0}.kit-chip.on{color:#fff;background:#1a1d23}.pt-el.on{outline-offset:-1px;outline:2px solid #1a1d23}.kit-az{gap:4px;display:grid}.kit-az.cols-11{grid-template-columns:repeat(11,1fr)}.kit-az.cols-13{grid-template-columns:repeat(13,1fr)}.kit-letter{aspect-ratio:1;color:#1a1d23;background:#f4f6f8;border:none;border-radius:8px;font-size:15px;font-weight:800}.kit-letter:hover{color:#fff;background:#1a1d23}.kit-sec{letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin:12px 0 6px;font-size:11px;font-weight:700}.ptable-wrap{overflow-x:auto}.ptable{grid-template-columns:repeat(18,minmax(28px,1fr));gap:2px;min-width:540px;display:grid}.ptable-f{margin-top:10px}.pt-empty{min-height:28px}.pt-el{color:#1a1d23;border:none;border-radius:4px;place-items:center;min-height:32px;padding:2px 0;line-height:1.05;display:grid}.pt-el i{opacity:.55;font-size:8px;font-style:normal;font-weight:600}.pt-el b{font-size:11px;font-weight:800}.cat-alkali{background:#fecaca}.cat-alkaline{background:#fed7aa}.cat-transition{background:#bfdbfe}.cat-post{background:#a5f3fc}.cat-metalloid{background:#bbf7d0}.cat-nonmetal{background:#d9f99d}.cat-halogen{background:#ddd6fe}.cat-noble{background:#fde68a}.cat-lanth{background:#f5d0fe}.cat-actin{background:#fbcfe8}.pt-el:hover{outline-offset:-1px;outline:2px solid #1a1d23}.import-card{flex-direction:column;gap:8px;max-width:440px;display:flex}.import-card .lede{margin:0 0 4px}.import-card .choice{margin:0}.classroom .import-modal .home-card{color:#1a1d23;background:#fff;border:1px solid #1418201a}.classroom .import-modal .lede,.classroom .import-modal .field-label,.classroom .import-modal .field span{color:#5b616c}.classroom .import-modal h2{color:#1a1d23}.classroom .import-modal .error{color:#9f1239}.classroom .import-modal input{color:#1a1d23;background:#f4f6f8;border-color:#1418201f}.classroom .import-modal .primary{color:#fff;background:#1a1d23;width:100%}.classroom .import-modal .ghost{color:#1a1d23;background:#f3f4f7;border:none}.shelf-card{width:min(560px,100%);max-height:min(680px,100dvh - 40px);overflow:hidden}.shelf-card input{width:100%;margin:0 0 12px}.shelf-grid{grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:10px;max-height:320px;margin:0 0 14px;padding:2px;display:grid;overflow:auto}.shelf-tile{text-align:left;color:#1a1d23;background:#f4f6f8;gap:4px;display:grid;border:1px solid #0000!important;border-radius:14px!important;width:100%!important;height:auto!important;padding:8px!important}.shelf-tile:hover{background:#eceff3}.shelf-tile.on{background:#fff;box-shadow:0 0 0 1px #1a1d23;border-color:#1a1d23!important}.shelf-tile img,.shelf-pdf{aspect-ratio:4/3;object-fit:cover;background:#e8eaef;border-radius:10px;width:100%}.shelf-pdf{color:#5b616c;place-items:center;font-family:Fraunces,Georgia,serif;font-size:22px;display:grid}.shelf-tile b{word-break:break-word;font-size:13px;font-weight:650;line-height:1.25}.shelf-tile span{color:#6b7280;font-size:11px;font-weight:500}.choice{text-align:left;color:#1a1d23;background:#f4f6f8;gap:2px;border:none!important;border-radius:12px!important;width:100%!important;height:auto!important;padding:10px 12px!important;display:grid!important}.choice b{font-size:14px}.choice span{color:#1a1d238c;font-size:12px;font-weight:500}.choice.on{color:#fff;background:#1a1d23}.choice.on span{color:#ffffffa6}.dock-pop-soft .fly-item{background:#f4f6f8;border:none!important}.classroom .dock-pop{color:#1a1d23;border-color:var(--line);background:#fff}.classroom .dock-custom input{background:#f3f4f7}.group-call{height:100dvh;min-height:100dvh;color:var(--paper);background:#0c0a09;flex-direction:column;display:flex;position:relative}.group-call.has-board{color:#1a1d23;background:#e4e7ee;grid-template:"top top top"52px"tools stage dock"minmax(0,1fr)/56px minmax(0,1fr) 200px;display:grid}.group-call.has-board.is-guest{grid-template-columns:minmax(0,1fr) 200px;grid-template-areas:"top top""stage dock"}.group-call.has-board .group-top{color:#1a1d23;background:#fff;border-bottom:1px solid #14182014;grid-area:top}.group-call.has-board .group-count{color:#1a1d238c}.group-call.has-board .group-acts button{color:#1a1d23;border-color:#1418201f}.group-call.has-board .group-acts button.on{color:#fff;background:#1a1d23}.group-open-picks{gap:8px;max-width:440px;margin-top:16px;display:grid}.group-open-picks .choice{text-align:left;width:100%}.group-invite{color:#1a1d23;background:#fff;border:1px solid #1418201f;border-radius:10px;align-items:center;gap:6px;font-size:13px;font-weight:650;display:flex;width:auto!important;height:36px!important;padding:0 12px!important}.group-invite.on{background:#e8f6ee}.group-call.has-board .stage{grid-area:stage;min-height:0;position:relative;overflow:hidden}.group-call.has-board .stage-board{width:100%;height:100%;position:relative}.group-call.has-board .board-overlays{z-index:24;pointer-events:none;position:absolute;inset:0}.group-call.has-board .board-overlays>*{pointer-events:auto}.group-call .call-peek{z-index:40}.group-call .back-board{z-index:30;color:#fff;cursor:pointer;background:#1a1d23;border:none;border-radius:12px;height:40px;padding:0 16px;font-weight:700;position:absolute;bottom:88px;left:50%;transform:translate(-50%);box-shadow:0 8px 24px #14182033}.group-call .back-board:hover{background:#111}.group-call .board-back-tile{color:#1a1d23;cursor:pointer;background:#fff;place-items:center;font-weight:700;display:grid}.group-call.focus-video{grid-template-columns:minmax(0,1fr) 200px;grid-template-areas:"top top""stage dock"}.group-call.focus-video .toolbar{display:none}.group-call.has-board .board-hud,.group-call.has-board .board-chrome,.group-call.has-board .prop-dock{z-index:26}.group-call.has-board .dock{background:#fff;grid-area:dock;align-content:start;gap:8px;padding:8px;display:grid;overflow:auto}.group-call.has-board .dock .tile{aspect-ratio:4/3;flex:none;width:100%;min-height:0}.group-call.has-board .toolbar{grid-area:tools}.group-top{border-bottom:1px solid var(--line);flex-shrink:0;align-items:center;gap:12px;padding:10px 16px;display:flex}.group-top .brand{color:inherit;background:0 0;border:none;padding:0;font-family:Fraunces,Georgia,serif;font-size:22px}.group-count{color:var(--muted);margin-right:auto;font-size:13px}.group-acts{gap:8px;display:flex}.group-acts button{border:1px solid var(--line);width:40px;height:40px;color:inherit;background:0 0;border-radius:12px;place-items:center;padding:0;display:grid}.group-acts button.on{background:var(--paper);color:var(--ink)}.group-grid{flex:1;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));align-content:start;gap:10px;min-height:0;padding:12px;display:grid}.group-grid .tile{aspect-ratio:4/3;cursor:default;flex:none;width:100%;min-height:160px}.group-call .chat{bottom:16px;right:16px}.group-err{color:#f0b4a0;margin:0;font-size:13px;position:absolute;bottom:16px;left:16px}.classroom.focus-video{grid-template-columns:minmax(0,1fr) 200px;grid-template-areas:"top top""stage dock"}.classroom.focus-video .toolbar{display:none}.phone-only{display:none!important}.phone-cams,.float-cams,.view-switch{display:none}@media (width<=800px){.phone-only{display:flex!important}.view-switch{border:1px solid var(--line);background:#eef1f5;border-radius:10px;flex-shrink:0;align-items:stretch;gap:2px;padding:2px;display:flex}.view-switch button{color:#5b616c;cursor:pointer;background:0 0;border:none;border-radius:8px;height:28px;padding:0 10px;font-size:12px;font-weight:700}.view-switch button.on{color:#1a1d23;background:#fff;box-shadow:0 1px 3px #1418201f}.classroom.phone-view-board .dock,.classroom.phone-view-float .dock{display:none}.view-switch button{padding:0 8px;font-size:11px}.float-cams{z-index:22;pointer-events:none;grid-area:stage;display:block;position:absolute;inset:0}.float-cam{pointer-events:auto;touch-action:none;filter:drop-shadow(0 10px 22px #080a0e73);width:118px;position:absolute}.float-cam .tile{aspect-ratio:1;border-radius:16px;width:118px;min-height:0;overflow:hidden}.float-cam .tile-name,.float-cam .tile-ph span{display:none}.float-cam .tile-ph b{font-size:22px}.classroom.phone-view-cams .toolbar,.classroom.phone-view-cams .pages-dock,.classroom.phone-view-cams .stage-board,.classroom.phone-view-cams .board-overlays,.classroom.phone-view-cams .dock,.classroom.phone-view-cams .game-wrap{display:none!important}.classroom.phone-view-cams .phone-cams{z-index:18;background:#12141a;grid-area:stage;grid-template-columns:1fr;align-content:center;gap:10px;min-height:0;padding:10px 10px 96px;display:grid;overflow:auto}.classroom.phone-view-cams .phone-cams .tile{aspect-ratio:4/3;justify-self:center;width:min(100%,520px);min-height:0;max-height:none;box-shadow:0 12px 32px #00000059}.classroom.phone-view-cams .phone-cams .tile:only-child,.classroom.phone-view-cams .phone-cams .tile:first-child:nth-last-child(2),.classroom.phone-view-cams .phone-cams .tile:first-child:nth-last-child(2)~.tile{width:min(100%,560px)}.group-call.has-board{grid-template:"top top"48px"tools stage"minmax(0,1fr)"dock dock"120px/48px minmax(0,1fr)}.group-call.has-board.is-guest{grid-template-columns:minmax(0,1fr);grid-template-areas:"top""stage""dock"}.group-call.has-board .dock{grid-auto-columns:minmax(120px,1fr);grid-auto-flow:column;overflow-x:auto}.group-invite span{display:none}.group-grid{grid-template-columns:1fr;padding:8px}.group-grid .tile{min-height:140px}.group-call .chat{width:auto;bottom:8px;left:8px;right:8px}.classroom{grid-template:"top top"52px"tools stage"minmax(0,1fr)/52px minmax(0,1fr)}.pages-dock{max-width:calc(100% - 24px);bottom:8px;left:8px}.classroom:not(.focus-video) .dock{z-index:16;pointer-events:none;background:0 0;border:none;flex-direction:column;grid-area:stage;place-self:end;width:min(46vw,176px);height:auto;max-height:72%;padding:0 8px 8px 0;position:relative;overflow:visible}.classroom:not(.focus-video) .dock>*{pointer-events:auto}.classroom:not(.focus-video) .dock .tile{aspect-ratio:4/3;flex:none;width:100%;min-height:0;box-shadow:0 10px 28px #0f121859}.classroom:not(.focus-video) .dock .tile-dim{aspect-ratio:4/3;width:100%}.classroom:not(.focus-video) .follow-card{background:#fffffff0;box-shadow:0 8px 20px #14182029}.classroom.focus-video{grid-template:"top"48px"stage"minmax(0,1fr)"dock"112px/1fr}.classroom.focus-video .toolbar,.classroom.focus-video .pages-dock,.classroom.focus-video .call-peek{display:none}.classroom.focus-video .dock{border-top:1px solid var(--line);background:#f7f8fb;flex-direction:row;width:100%;height:auto;padding:8px}.classroom.focus-video .dock .tile{aspect-ratio:16/10;flex:1;min-height:0}.classroom .topbar{scrollbar-width:none;gap:8px;padding:0 8px 0 12px;overflow-x:auto}.classroom .topbar::-webkit-scrollbar{display:none}.classroom .brand{margin-right:0;font-size:18px}.classroom .code{display:none}.classroom .copy-link{white-space:nowrap;padding:6px 10px;font-size:12px}.classroom .toolbar{border-radius:14px;margin:4px 0 4px 4px;overflow:hidden auto}.classroom .toolbar button{width:36px;height:36px;min-height:36px}.minimap{display:none}.classroom .controls{padding:4px 6px calc(6px + env(safe-area-inset-bottom));justify-content:flex-start;gap:2px;overflow-x:auto}.classroom .ctrl{min-width:56px;padding:2px 4px}.ctrl-ico{width:40px;height:40px}.classroom .pages-bar{padding:4px 10px}h1{font-size:32px}.kit-panel,.kit-panel.wide{width:min(520px,100vw - 64px);left:56px}.flyout{max-width:calc(100vw - 16px)}.board-hud{right:8px;bottom:calc(76px + env(safe-area-inset-bottom))}.game-wrap{inset:8px 8px 8px 48px}.classroom.has-game .game-wrap{bottom:8px}.game-side{flex-basis:156px;width:156px}.call-peek{bottom:env(safe-area-inset-bottom);padding-top:0}.call-fold{display:grid}.call-peek:not(.pinned) .call-dock{transform:translateY(calc(100% - 22px))}.call-peek.pinned .call-dock{transform:translateY(0)}.classroom .chat,.chat{width:auto;left:8px;right:8px;bottom:calc(124px + env(safe-area-inset-bottom));z-index:32;height:min(34vh,280px)}}@media (width<=520px){.classroom{grid-template-rows:48px minmax(0,1fr)}.classroom:not(.focus-video) .dock{width:min(42vw,152px)}.classroom.focus-video{grid-template-rows:48px minmax(0,1fr) 96px}.follow-card p{font-size:12px}.classroom .copy-link.end-lesson,.classroom .group-invite span{display:none}}
