@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{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.47"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}@font-face{font-family:MyBebas;src:url(/assets/BebasNeue-Hlg5YgzI.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:MyDM;src:url(/assets/DMSans-Regular-D5uRpGV6.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:MyMono;src:url(/assets/SpaceMono-Regular-CSgcrVR5.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}:root{--black: #0a0a0a;--white: #f5f0e8;--yellow: #ffe600;--yellow-rgb: 255, 230, 0;--pink: #ff2d78;--pink-rgb: 255, 45, 120;--cyan: #00f5d4;--cyan-rgb: 0, 245, 212;--surface: #fff8ee;--surface-2: #efe5d6;--muted: #666;--muted-strong: #444;--header-muted: #888;--hero-glow: rgba(255, 230, 0, .15);--profile-glow: rgba(255, 230, 0, .14);--logo-glow-strong: rgba(255, 230, 0, .4);--logo-glow-soft: rgba(255, 230, 0, .25);--border: 3px solid #0a0a0a;--shadow: 5px 5px 0px #0a0a0a;--shadow-lg: 8px 8px 0px #0a0a0a;--shadow-xl: 12px 12px 0px #0a0a0a;--mono: "MyMono", monospace;--display: "MyBebas", sans-serif;--body: "MyDM", sans-serif;--header-offset: 78px}body[data-theme=blue]{--yellow: #5da9ff;--yellow-rgb: 93, 169, 255;--pink: #2f7cff;--pink-rgb: 47, 124, 255;--cyan: #8fd0ff;--cyan-rgb: 143, 208, 255;--hero-glow: rgba(93, 169, 255, .16);--profile-glow: rgba(93, 169, 255, .14);--logo-glow-strong: rgba(93, 169, 255, .4);--logo-glow-soft: rgba(93, 169, 255, .24);--surface: #f5f9ff;--surface-2: #e3eefc;--muted: #5f6f86;--muted-strong: #334257;--header-muted: #b9c8da}body[data-theme=pink]{--yellow: #ff5ca8;--yellow-rgb: 255, 92, 168;--pink: #ff2d78;--pink-rgb: 255, 45, 120;--cyan: #ffb3d2;--cyan-rgb: 255, 179, 210;--hero-glow: rgba(255, 92, 168, .16);--profile-glow: rgba(255, 92, 168, .14);--logo-glow-strong: rgba(255, 92, 168, .4);--logo-glow-soft: rgba(255, 92, 168, .24);--surface: #fff6fb;--surface-2: #f6e3ec;--muted: #7c6370;--muted-strong: #533443;--header-muted: #d8bcc8}body[data-theme=orange]{--yellow: #ff9f1c;--yellow-rgb: 255, 159, 28;--pink: #ff6a13;--pink-rgb: 255, 106, 19;--cyan: #ffd28f;--cyan-rgb: 255, 210, 143;--hero-glow: rgba(255, 159, 28, .16);--profile-glow: rgba(255, 159, 28, .14);--logo-glow-strong: rgba(255, 159, 28, .4);--logo-glow-soft: rgba(255, 159, 28, .24);--surface: #fff8f1;--surface-2: #f5e6d8;--muted: #78624f;--muted-strong: #4c3522;--header-muted: #cfb59a}body[data-theme=purple]{--yellow: #c084fc;--yellow-rgb: 192, 132, 252;--pink: #a855f7;--pink-rgb: 168, 85, 247;--cyan: #d8b4fe;--cyan-rgb: 216, 180, 254;--hero-glow: rgba(192, 132, 252, .16);--profile-glow: rgba(192, 132, 252, .14);--logo-glow-strong: rgba(192, 132, 252, .4);--logo-glow-soft: rgba(192, 132, 252, .24);--surface: #fbf7ff;--surface-2: #efe4fb;--muted: #716080;--muted-strong: #49385a;--header-muted: #c7b4d8}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100%;overflow-x:hidden}html{background:var(--black)}body{background:var(--white);color:var(--black);font-family:var(--body);min-height:100vh;overflow-x:hidden;overflow-y:auto;scrollbar-width:none;-ms-overflow-style:none}body::-webkit-scrollbar{display:none}@media(pointer:fine){html,body,button,a,label,input,textarea,select,[role=button],.nav-tab,.history-item,.settings-label,.theme-chip,.btn{cursor:none!important}.nb-cursor,.nb-cursor-trail{position:fixed;top:0;left:0;pointer-events:none;will-change:transform,width,height,margin,background,box-shadow,opacity}.nb-cursor{width:12px;height:12px;margin-left:-6px;margin-top:-6px;border-radius:50%;z-index:10002;opacity:0;background:var(--cyan);box-shadow:0 0 0 2px rgba(var(--cyan-rgb),.18),0 0 18px rgba(var(--cyan-rgb),.45),0 0 34px rgba(var(--cyan-rgb),.22);transform:translate(-100px,-100px);transition:width .14s ease,height .14s ease,margin .14s ease,background-color .14s ease,box-shadow .14s ease,opacity .14s ease}.nb-cursor-trail{width:28px;height:28px;margin-left:-14px;margin-top:-14px;border-radius:50%;z-index:10001;opacity:0;background:radial-gradient(circle,rgba(var(--cyan-rgb),.26),rgba(var(--cyan-rgb),.14) 42%,rgba(var(--cyan-rgb),.05) 70%,rgba(var(--cyan-rgb),0));filter:blur(8px);transform:translate(-100px,-100px);transition:width .18s ease,height .18s ease,margin .18s ease,opacity .18s ease,background .18s ease}body.cursor-visible .nb-cursor{opacity:1}body.cursor-visible .nb-cursor-trail{opacity:.42}body.cursor-hover .nb-cursor{width:18px;height:18px;margin-left:-9px;margin-top:-9px;background:var(--yellow);box-shadow:0 0 0 2px rgba(var(--yellow-rgb),.24),0 0 24px rgba(var(--yellow-rgb),.56),0 0 44px rgba(var(--yellow-rgb),.26)}body.cursor-hover .nb-cursor-trail{width:38px;height:38px;margin-left:-19px;margin-top:-19px;opacity:.5;background:radial-gradient(circle,rgba(var(--yellow-rgb),.3),rgba(var(--yellow-rgb),.16) 44%,rgba(var(--yellow-rgb),.06),rgba(var(--yellow-rgb),0))}body.cursor-click .nb-cursor{background:var(--pink);box-shadow:0 0 0 2px rgba(var(--pink-rgb),.22),0 0 18px rgba(var(--pink-rgb),.5),0 0 34px rgba(var(--pink-rgb),.24)}body.cursor-click .nb-cursor-trail{opacity:.28;background:radial-gradient(circle,rgba(var(--pink-rgb),.22),rgba(var(--pink-rgb),.1) 42%,rgba(var(--pink-rgb),.03) 70%,rgba(var(--pink-rgb),0))}}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");pointer-events:none;z-index:9999;opacity:.4}header{border-bottom:var(--border);background:var(--black);padding:0 2rem;display:flex;align-items:stretch;position:fixed;top:0;left:0;right:0;z-index:100;width:100%}.header-timer-shell{position:relative;display:flex;align-items:center;margin-left:1rem}.header-timer-trigger{display:flex;align-items:center;cursor:pointer;outline:none}.header-timer{border:var(--border);box-shadow:var(--shadow);display:inline-flex;flex-direction:column-reverse;align-items:center;justify-content:center;gap:.15rem;min-width:102px;padding:.45rem .85rem}.header-timer{background:#111;color:var(--white);cursor:pointer}.header-timer.active{background:var(--yellow);color:var(--black)}.header-music-pill{border-left:none;background:var(--cyan);color:var(--black);margin-left:-3px;align-self:center;flex-direction:column}.header-timer-top,.header-timer-bottom{font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;text-align:center;line-height:1.1}.header-timer-top{font-size:12px}.header-timer-popup{position:absolute;top:calc(100% + .85rem);right:0;width:min(360px,calc(100vw - 2rem));border:var(--border);box-shadow:var(--shadow);background:var(--surface);z-index:220}.header-timer-popup-head{background:var(--black);color:var(--yellow);padding:.75rem 1rem;display:flex;align-items:center;justify-content:space-between;min-height:52px;gap:.75rem;font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase}.header-timer-popup-head span:last-child{font-size:10px;letter-spacing:1px;padding:2px 8px;border:1px solid #333;background:#ffffff0f;color:var(--yellow);flex-shrink:0}.header-timer-popup-body{position:relative;padding:1rem;display:flex;flex-direction:column;gap:1rem}.header-timer-display{font-family:var(--display);font-size:56px;line-height:1;color:var(--black)}.header-timer-modes{gap:.6rem}.header-timer-break-options{position:absolute;top:.85rem;right:1rem;gap:.6rem;justify-content:flex-end;z-index:1}.header-timer-actions{display:flex;flex-wrap:wrap;gap:.6rem}.pomodoro-music-panel{border:var(--border);box-shadow:var(--shadow);background:#00000008;padding:.85rem;display:flex;flex-direction:column;gap:.8rem}.pomodoro-music-head{display:flex;justify-content:space-between;gap:.75rem;font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;color:var(--muted-strong)}.pomodoro-music-head span:last-child{text-align:right;color:var(--muted)}.pomodoro-music-options{display:flex;gap:.6rem}.pomodoro-music-chip{min-width:96px;justify-content:center;transition:background .1s ease,color .1s ease,box-shadow .1s ease,transform .1s ease}.theme-chip.pomodoro-chip.active{background:var(--yellow);color:var(--black);transform:none;box-shadow:var(--shadow)}.theme-chip.pomodoro-chip:hover{transform:none;box-shadow:var(--shadow)}.theme-chip.pomodoro-chip:active{transform:translate(2px,2px);box-shadow:3px 3px 0 var(--black)}.pomodoro-action-chip{min-width:96px;justify-content:center}.theme-chip.pomodoro-music-chip.active{background:var(--yellow);color:var(--black);transform:none;box-shadow:var(--shadow)}.theme-chip.pomodoro-music-chip:hover{transform:none;box-shadow:var(--shadow)}.theme-chip.pomodoro-music-chip:active{transform:translate(2px,2px);box-shadow:3px 3px 0 var(--black)}.pomodoro-volume-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:.75rem;font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;color:var(--muted-strong)}.pomodoro-volume-slider{width:100%;accent-color:var(--pink)}.logo-block{display:flex;align-items:center;gap:12px;padding:1rem 2rem 1rem 0;border-right:var(--border);border-color:#333}.logo-icon{width:36px;height:36px;background:var(--yellow);border:var(--border);border-color:var(--yellow);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-size:20px;color:var(--black);flex-shrink:0;animation:logo-pulse 3s ease-in-out infinite}@keyframes logo-pulse{0%,to{box-shadow:0 0 0 0 var(--logo-glow-strong)}50%{box-shadow:0 0 20px 6px var(--logo-glow-soft)}}.logo-text{font-family:var(--display);font-size:28px;color:var(--white);letter-spacing:2px}.logo-version{font-family:var(--mono);font-size:11px;font-weight:700;color:var(--yellow);margin-top:2px;letter-spacing:1px}nav{display:flex;align-items:stretch;gap:0;flex:1}.nav-tab{font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--header-muted);padding:0 1.5rem;border:none;border-right:1px solid #222;background:transparent;cursor:pointer;transition:all .15s ease;position:relative;display:flex;align-items:center;gap:8px}.nav-tab .tab-icon{font-size:14px;opacity:.7}.nav-tab:hover{color:var(--white);background:#111}.nav-tab.active{color:var(--black);background:var(--yellow);border-right-color:var(--black)}.nav-tab.active:after{content:"";position:absolute;bottom:-3px;left:0;right:0;height:3px;background:var(--yellow)}.nav-tab.active .tab-icon{opacity:1}@keyframes blink{0%,to{opacity:1}50%{opacity:.3}}.model-badge{font-family:var(--mono);font-size:10px;background:#111;color:var(--cyan);border:1px solid #2a2a2a;padding:4px 10px;letter-spacing:1px;text-transform:uppercase}main{display:none}main.active{display:flex;flex-direction:column}.hero-strip{background:var(--black);border-bottom:var(--border);padding:1.6rem 2rem;display:grid;grid-template-columns:1fr auto;align-items:center;gap:1.5rem;position:relative;overflow:hidden}.hero-strip:before{content:"";position:absolute;top:-40px;right:-40px;width:300px;height:300px;background:radial-gradient(circle,var(--hero-glow) 0%,transparent 70%);pointer-events:none;animation:hero-glow 4s ease-in-out infinite alternate}@keyframes hero-glow{0%{transform:translate(0) scale(1)}to{transform:translate(-30px,20px) scale(1.2)}}.hero-eyebrow{font-family:var(--mono);font-size:11px;font-weight:700;color:var(--yellow);letter-spacing:2px;text-transform:uppercase;margin-bottom:.35rem;display:flex;align-items:center;gap:8px}.hero-eyebrow:before{content:"";display:inline-block;width:20px;height:2px;background:var(--yellow)}.hero-copy{min-width:0}.hero-title{font-family:var(--display);font-size:clamp(34px,5vw,62px);color:var(--white);line-height:1;letter-spacing:1.5px;white-space:nowrap;text-transform:uppercase}.hero-title span{color:var(--yellow);display:inline-block;animation:title-flicker 5s ease-in-out infinite}@keyframes title-flicker{0%,95%,to{opacity:1}96%{opacity:.7}97%{opacity:1}98%{opacity:.6}}.hero-stats{display:flex;gap:1.25rem;z-index:1}.stat-block{text-align:right}.stat-num{font-family:var(--display);font-size:26px;color:var(--yellow);line-height:1}.stat-label{font-family:var(--mono);font-size:9px;color:var(--muted);letter-spacing:1px;text-transform:uppercase}.content{flex:1;min-height:0;padding:2rem;display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:start}.content.full{grid-template-columns:1fr}.content.full-page{grid-template-columns:minmax(0,1fr)}.card{border:var(--border);background:var(--surface);position:relative;box-shadow:var(--shadow);transition:box-shadow .15s ease}.card-header{border-bottom:var(--border);padding:.75rem 1rem;display:flex;align-items:center;justify-content:space-between;background:var(--black);min-height:52px;gap:.75rem}.card-title{font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--yellow)}.card-badge{font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:1px;padding:2px 8px;border:1px solid #333;color:#666;text-transform:uppercase}.card-body{padding:1.25rem}.messages{display:flex;flex-direction:column;gap:1rem;margin-bottom:1rem;min-height:280px;max-height:340px;overflow-y:auto}.messages::-webkit-scrollbar{width:4px}.messages::-webkit-scrollbar-track{background:#f0ebe0}.messages::-webkit-scrollbar-thumb{background:var(--black)}.msg{display:flex;gap:10px;align-items:flex-start;animation:msg-in .2s ease}.msg-stack{display:flex;flex-direction:column;gap:.4rem;align-items:flex-start;min-width:0;max-width:calc(100% - 42px)}.msg.user .msg-stack{align-items:flex-end}@keyframes msg-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.msg.user{flex-direction:row-reverse}.msg-avatar{width:32px;height:32px;border:var(--border);background:var(--black);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:10px;color:var(--yellow);flex-shrink:0;text-transform:uppercase}.msg.user .msg-avatar{background:var(--pink);color:var(--white);border-color:var(--black)}.msg-bubble{border:var(--border);padding:.75rem .95rem .7rem;font-size:13px;line-height:1.5;width:fit-content;max-width:100%;min-width:3rem;position:relative;box-shadow:3px 3px 0 var(--black);display:flex;flex-direction:column;gap:.55rem;overflow-wrap:break-word}.msg.user .msg-bubble{background:var(--pink);color:var(--white)}.msg-text{font-family:var(--body);font-size:13px;line-height:1.5;white-space:pre-wrap;margin:0}.msg-actions{display:flex;gap:.5rem;padding-inline:.15rem}.msg-action-btn{border:2px solid var(--black);background:transparent;color:var(--black);padding:.2rem .55rem;font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;cursor:pointer}.chat-input-row{display:flex;gap:0;border:var(--border);box-shadow:var(--shadow)}.chat-header-tools{display:flex;flex-wrap:nowrap;gap:.5rem;align-items:center;justify-content:flex-end}.chat-header-btn{border:2px solid var(--black);background:var(--yellow);color:var(--black);padding:.22rem .48rem;font-family:var(--mono);font-size:9px;letter-spacing:1px;text-transform:uppercase;cursor:pointer;box-shadow:2px 2px 0 var(--black);line-height:1.1;white-space:nowrap}.chat-header-btn:hover:not(:disabled){transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--black)}.chat-header-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.chat-input{flex:1;padding:.75rem 1rem;border:none;background:var(--surface);font-family:var(--mono);font-size:12px;outline:none;color:var(--black)}.chat-input::placeholder{color:#aaa}.send-btn{padding:0 1.25rem;background:var(--yellow);border:none;border-left:var(--border);font-family:var(--display);font-size:18px;letter-spacing:1px;cursor:pointer;transition:background .1s;color:var(--black)}.send-btn:hover{background:var(--pink);color:var(--white)}.camera-frame{border:var(--border);width:100%;background:var(--black);position:relative;overflow:hidden;box-shadow:var(--shadow)}.vision-workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:stretch;gap:1rem;margin-bottom:.9rem}.camera-frame-shell{width:100%}.vision-side-panel{display:flex;flex-direction:column;gap:1rem;width:100%;min-width:0}.camera-grid{position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(255,230,0,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,230,0,.08) 1px,transparent 1px);background-size:30px 30px}.camera-corners{position:absolute;top:16px;right:16px;bottom:16px;left:16px;pointer-events:none}.corner{position:absolute;width:20px;height:20px;border-color:var(--yellow);border-style:solid}.corner.tl{top:0;left:0;border-width:2px 0 0 2px}.corner.tr{top:0;right:0;border-width:2px 2px 0 0}.corner.bl{bottom:0;left:0;border-width:0 0 2px 2px}.corner.br{bottom:0;right:0;border-width:0 2px 2px 0}.camera-scan{position:absolute;left:0;right:0;height:2px;background:var(--cyan);box-shadow:0 0 12px 3px var(--cyan);animation:scan 2.5s ease-in-out infinite}@keyframes scan{0%{top:15%;opacity:0}10%{opacity:1}90%{opacity:1}to{top:85%;opacity:0}}.camera-label{position:absolute;bottom:12px;left:12px;font-family:var(--mono);font-size:10px;color:var(--yellow);letter-spacing:2px;text-transform:uppercase}.rec-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--pink);margin-right:6px;animation:blink 1s step-end infinite;box-shadow:0 0 6px var(--pink)}.upload-zone{border:3px dashed var(--black);padding:3rem 2rem;text-align:center;cursor:pointer;transition:all .15s;background:repeating-linear-gradient(45deg,var(--white),var(--white) 10px,rgba(255,230,0,.07) 10px,rgba(255,230,0,.07) 20px);margin-bottom:1.25rem;position:relative;overflow:hidden}.upload-zone:hover{background:var(--yellow);border-style:solid}.upload-zone:hover .upload-icon{transform:translateY(-4px)}.upload-zone:hover .upload-text{color:var(--black)}.upload-icon{font-size:40px;display:block;margin-bottom:.75rem;transition:transform .2s}.upload-text{font-family:var(--mono);font-size:11px;letter-spacing:2px;text-transform:uppercase;color:#888;transition:color .15s}.pipeline{display:flex;align-items:center;gap:0;margin-bottom:1.5rem}.pipe-step{flex:1;border:var(--border);padding:.6rem .5rem;text-align:center;background:var(--white);position:relative}.pipe-step.active{background:var(--yellow)}.pipe-step.done{background:var(--cyan)}.pipe-step+.pipe-step{border-left:none}.pipe-step-label{font-family:var(--mono);font-size:9px;letter-spacing:1.5px;text-transform:uppercase;color:var(--black)}.pipe-step-icon{font-size:16px;display:block;margin-bottom:2px}.waveform{border:var(--border);padding:1.4rem 1rem;display:flex;align-items:center;justify-content:center;gap:6px;width:100%;min-height:170px;flex:1;background:var(--black);box-shadow:var(--shadow);overflow:hidden}.wave-bar{width:8px;background:var(--yellow);border-radius:999px;transition:height .1s ease-out,opacity .14s ease,background .14s ease;box-shadow:0 0 0 1px #0a0a0a2e}.wave-bar:nth-child(odd){background:var(--pink)}.wave-bar:nth-child(3n){background:var(--cyan)}.btn{border:var(--border);padding:.7rem 1.5rem;font-family:var(--mono);font-size:11px;letter-spacing:2px;text-transform:uppercase;cursor:pointer;background:var(--black);color:var(--yellow);box-shadow:var(--shadow);transition:all .1s ease;display:inline-flex;align-items:center;gap:8px}.btn:hover{transform:translate(-2px,-2px);box-shadow:var(--shadow-lg)}.btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--black)}.btn.primary{background:var(--yellow);color:var(--black)}.btn.pink{background:var(--pink);color:var(--white)}.btn.full{width:100%;justify-content:center}.model-banner{border:var(--border);border-top:none;padding:.65rem 2rem;background:#0a0a0a;display:flex;align-items:center;gap:1.5rem}.model-banner .btn{background:var(--surface);color:var(--black)}.model-banner .btn.pink{background:var(--pink);color:var(--white)}.progress-label{font-family:var(--mono);font-size:10px;color:#555;letter-spacing:1px;text-transform:uppercase;white-space:nowrap}.progress-bar{flex:1;height:4px;background:#1a1a1a;border:1px solid #222;position:relative;overflow:hidden}.progress-fill{height:100%;background:var(--yellow);width:68%;position:relative}.progress-fill:after{content:"";position:absolute;top:0;right:0;width:20px;height:100%;background:linear-gradient(90deg,transparent,var(--yellow));animation:shimmer 1.5s ease-in-out infinite}@keyframes shimmer{0%{opacity:.5}50%{opacity:1}to{opacity:.5}}.progress-pct{font-family:var(--mono);font-size:11px;color:var(--yellow);white-space:nowrap}.ticker{border-bottom:var(--border);background:var(--yellow);overflow:hidden;height:28px;display:flex;align-items:center}.ticker-inner{display:flex;gap:3rem;animation:ticker 20s linear infinite;white-space:nowrap}@keyframes ticker{0%{transform:translate(0)}to{transform:translate(-50%)}}.ticker-item{font-family:var(--mono);font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--black);display:flex;align-items:center;gap:8px}.ticker-item:before{content:"▶";font-size:8px;color:var(--black);opacity:.5}.info-stack{display:flex;flex-direction:column;gap:1.5rem}.support-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem;align-items:stretch;margin-top:1.5rem}.support-grid .info-block{display:flex;flex-direction:column;min-height:100%}.support-grid .info-block-body{flex:1}.info-block{border:var(--border);box-shadow:var(--shadow);overflow:hidden}.settings-section,.quiz-layout .info-block{overflow:visible}.info-block-head{background:var(--black);padding:.75rem 1rem;font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--yellow);display:flex;align-items:center;justify-content:space-between;min-height:52px;gap:.75rem}.info-block-body{padding:1rem}.feature-list{list-style:none;display:flex;flex-direction:column;gap:.5rem}.feature-list li{font-family:var(--mono);font-size:11px;color:#555;display:flex;align-items:center;gap:8px;padding-bottom:.5rem;border-bottom:1px solid #e8e3d8}.feature-list li:last-child{border-bottom:none;padding-bottom:0}.feature-list li:before{content:"";width:8px;height:8px;background:var(--yellow);border:1.5px solid var(--black);flex-shrink:0}.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--black);border-top:var(--border)}.spec-cell{background:var(--surface);padding:.6rem .75rem}.spec-key{font-family:var(--mono);font-size:9px;letter-spacing:1px;text-transform:uppercase;color:#aaa;margin-bottom:2px}.spec-val{font-family:var(--mono);font-size:12px;color:var(--black);font-weight:700}.result-panel{border:var(--border);box-shadow:var(--shadow-lg);overflow:hidden;margin-top:1.25rem}.result-panel-header{background:var(--pink);padding:.6rem 1rem;font-family:var(--mono);font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--white);display:flex;align-items:center;gap:8px}.result-panel-body{padding:1rem;font-size:13px;line-height:1.6;color:#333}.step-list{list-style:none;display:flex;flex-direction:column;gap:.75rem;margin-top:.75rem}.step-item{display:flex;gap:12px;align-items:flex-start}.step-num{font-family:var(--display);font-size:28px;line-height:1;color:var(--yellow);-webkit-text-stroke:1.5px var(--black);flex-shrink:0;min-width:28px}.step-text{font-family:var(--body);font-size:13px;line-height:1.5;color:#333;padding-top:4px}footer{border-top:var(--border);background:var(--black);padding:.5rem 2rem;display:flex;align-items:center;justify-content:space-between}.footer-left{font-family:var(--mono);font-size:10px;color:#444;letter-spacing:1px;text-transform:uppercase}.footer-right{font-family:var(--mono);font-size:10px;color:#333;letter-spacing:1px}.footer-right span{color:var(--yellow)}.glitch{position:relative;animation:glitch-trigger 8s step-end infinite}@keyframes glitch-trigger{0%,94%,to{clip-path:none;transform:none}95%{clip-path:inset(20% 0 30% 0);transform:translate(-3px)}96%{clip-path:inset(50% 0 20% 0);transform:translate(3px)}97%{clip-path:none;transform:none}}::-webkit-scrollbar{display:none}#root{min-height:100vh}.app-shell{min-height:100vh;display:flex;flex-direction:column;padding-top:var(--header-offset);background:linear-gradient(to bottom,var(--black) 0,var(--black) calc(var(--header-offset) + 6px),transparent calc(var(--header-offset) + 6px))}.app-loading{min-height:100vh;display:grid;place-items:center;padding:2rem;text-align:center;gap:.75rem}.app-loading h2{font-family:var(--display);font-size:42px;letter-spacing:1px}.app-loading p{font-family:var(--mono);font-size:12px;letter-spacing:1px;text-transform:uppercase;color:#666}.spinner{width:72px;height:72px;border:var(--border);background:linear-gradient(135deg,var(--yellow) 0 50%,var(--pink) 50% 100%);box-shadow:var(--shadow-lg);animation:spinner-hop .9s steps(2,end) infinite}@keyframes spinner-hop{0%,to{transform:translate(0) rotate(0)}50%{transform:translate(-4px,-4px) rotate(8deg)}}.main-stack{min-width:0}.card .model-banner{border-left:none;border-right:none}.send-btn:disabled{cursor:not-allowed;opacity:.6}.camera-feed{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;z-index:1}.camera-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;z-index:2}.camera-feed video{width:100%;height:100%;object-fit:contain}.camera-empty{position:relative;z-index:2;text-align:center;color:var(--white);padding:1.5rem;max-width:28rem}.camera-empty h3{font-family:var(--display);letter-spacing:1px;margin-bottom:.5rem}.camera-empty p{font-family:var(--mono);font-size:12px;color:#bbb}.btn:disabled{cursor:not-allowed;opacity:.55;transform:none;box-shadow:var(--shadow)}.error-text{color:var(--pink);font-family:var(--mono);font-size:12px}.result-panel-body p{white-space:pre-wrap}.message-stats{margin-top:0;padding-top:.45rem;width:100%;font-family:var(--mono);font-size:10px;color:#666;letter-spacing:1px;text-transform:uppercase;border-top:2px solid rgba(10,10,10,.12)}.msg.user .message-stats{color:#f5f0e8d1;border-top-color:#f5f0e847}.empty-state{border:var(--border);background:linear-gradient(135deg,#ffe60024,#00f5d414);box-shadow:var(--shadow);padding:1.25rem;position:relative}.empty-state h3{font-family:var(--display);font-size:30px;letter-spacing:1px;margin-bottom:.35rem}.empty-state p{font-family:var(--mono);font-size:11px;color:#555;letter-spacing:1px;text-transform:uppercase}.vision-prompt{width:100%;margin-bottom:1rem;border:var(--border);box-shadow:var(--shadow);padding:.9rem 1rem;background:var(--surface);font-family:var(--mono);font-size:12px;color:var(--black);outline:none}.vision-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;width:100%;align-self:stretch}.vision-actions .btn{width:100%;justify-content:center}.vision-actions .btn:last-child{grid-column:1 / -1}.vision-actions .vision-btn-alt{background:var(--pink);color:var(--white)}.vision-result-panel{margin-top:0}.vision-header-tools{display:flex;flex-wrap:nowrap;align-items:center;justify-content:flex-end;gap:.5rem}.vision-mode-bar{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem;margin-bottom:1rem}.vision-mode-chip{border:var(--border);box-shadow:var(--shadow);padding:.45rem .7rem;background:var(--surface);color:var(--black);font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase}.vision-mode-chip.active{background:var(--yellow)}.vision-mode-summary{font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;color:#666}.vision-actions+.result-panel{margin-top:1.25rem}.vision-header-pill{border:2px solid var(--black);background:transparent;color:var(--header-muted);padding:.22rem .48rem;font-family:var(--mono);font-size:9px;letter-spacing:1px;text-transform:uppercase;line-height:1.1;white-space:nowrap}.vision-header-pill.active{background:var(--yellow);color:var(--black);box-shadow:2px 2px 0 var(--black)}.study-layout{display:flex;flex-direction:column;gap:1rem}.study-toolbar,.pomodoro-actions,.history-actions{display:flex;flex-wrap:wrap;gap:.75rem}.quiz-toolbar-end{margin-left:auto}.study-hint{display:block;font-family:var(--mono);font-size:10px;line-height:1.5;letter-spacing:1px;text-transform:uppercase;color:#666}.study-textarea{min-height:24rem;width:100%;border:var(--border);box-shadow:var(--shadow);padding:1rem;background:var(--surface);color:var(--black);font-family:var(--mono);font-size:13px;line-height:1.5;outline:none;resize:vertical}.study-textarea-sm{min-height:10rem}.flashcards-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:1.25rem;align-items:stretch}.flashcards-layout>.info-stack,.flashcards-main{display:flex;flex-direction:column;min-height:34rem}.flashcards-layout>.info-stack{min-width:0}.flashcards-layout>.info-stack>.info-block:first-child{flex:1;display:flex;flex-direction:column}.flashcards-layout>.info-stack>.info-block:first-child .info-block-body{flex:1}.flashcard-area{position:relative;display:flex;flex:1;align-items:stretch;justify-content:center;perspective:1200px}.study-flashcard{width:100%;min-height:34rem;height:100%;position:relative;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1);cursor:pointer;background:transparent;border:none;padding:0 4.5rem}.study-flashcard.flipped{transform:rotateY(180deg)}.card-face,.card-back{position:absolute;top:0;right:0;bottom:0;left:0;border:var(--border);box-shadow:var(--shadow);padding:2.5rem 6.5rem 4.5rem;text-align:center;backface-visibility:hidden}.card-core{position:absolute;top:50%;left:50%;width:calc(100% - 13rem);transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem}.card-face{background:linear-gradient(135deg,#ffe60024,#00f5d414)}.card-back{background:#d8b4febf;transform:rotateY(180deg)}.card-face-label{font-family:var(--mono);font-size:15px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:#555}.card-face-text,.card-back-text{font-family:var(--body);font-size:clamp(20px,2vw,28px);color:var(--black);white-space:pre-wrap;word-break:break-word}.card-flip-hint{font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;color:#555}.card-flip-back{color:#0a0a0ab3}.flashcard-counter{position:absolute;left:50%;bottom:1.35rem;transform:translate(-50%);font-family:var(--mono);font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:#666;pointer-events:none}.flashcard-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:3rem;height:4rem;border:var(--border);box-shadow:none;background:var(--surface);color:var(--black);font-family:var(--display);font-size:32px;line-height:1;display:inline-flex;align-items:center;justify-content:center}.flashcard-arrow-left{left:0}.flashcard-arrow-right{right:0}.flashcard-arrow:disabled{opacity:.45}.flashcards-side-body{display:flex;flex-direction:column;flex:1;min-width:0;gap:1rem}.flashcards-side-body>*{min-width:0}.flashcards-side-body .study-textarea{flex:1;min-height:0}.quiz-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:1.25rem;align-items:start}.quiz-main,.quiz-side-body{display:flex;flex-direction:column;gap:1rem}.quiz-panel{border:var(--border);box-shadow:var(--shadow-lg);background:linear-gradient(180deg,#ffe60014,#00f5d414);padding:1.1rem}.quiz-q{font-family:var(--body);font-size:18px;font-weight:700;color:var(--black);line-height:1.45;margin-bottom:1rem}.quiz-opts{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1rem}.quiz-opt{border:var(--border);box-shadow:var(--shadow);background:var(--surface);color:var(--black);width:100%;text-align:left;padding:.8rem .85rem;display:flex;align-items:flex-start;gap:.7rem;cursor:pointer;transition:.2s ease}.quiz-opt:hover:not(:disabled){transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--black);background:var(--yellow);color:#0a0a0a}.quiz-opt:disabled{cursor:default}.quiz-opt.correct{background:var(--cyan);color:#0a0a0a;border-color:#0a0a0a}.quiz-opt.wrong{background:var(--pink);color:#fff;border-color:var(--pink)}.quiz-opt-letter{font-family:var(--display);font-size:24px;line-height:1;color:var(--yellow);min-width:22px}.quiz-opt.correct .quiz-opt-letter,.quiz-opt.wrong .quiz-opt-letter{color:currentColor}.quiz-opt-text{font-family:var(--body);font-size:15px;line-height:1.45}.quiz-score-bar{height:10px;background:#0000001a;border:var(--border);margin-bottom:.75rem;overflow:hidden}.quiz-score-fill{height:100%;background:var(--cyan);transition:width .5s ease}.quiz-meta{display:flex;justify-content:space-between;gap:1rem;font-family:var(--mono);font-size:10px;color:var(--muted-strong);letter-spacing:1px;margin-bottom:.75rem;text-transform:uppercase}.quiz-feedback{border:var(--border);box-shadow:var(--shadow);background:var(--surface);padding:.85rem;display:flex;flex-direction:column;gap:.45rem;margin-bottom:1rem}.quiz-feedback-label{font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase}.quiz-feedback-label.correct{color:#0a0a0a}.quiz-feedback-label.wrong{color:var(--pink)}.quiz-result{border:var(--border);box-shadow:var(--shadow);background:linear-gradient(180deg,#ffe6001f,#ff2d7814);text-align:center;padding:2rem 1rem;display:flex;flex-direction:column;align-items:center}.quiz-result-score{font-family:var(--display);font-size:80px;color:var(--yellow);-webkit-text-stroke:2px var(--black);line-height:1}.quiz-result-label{font-family:var(--mono);font-size:11px;color:var(--muted-strong);letter-spacing:2px;text-transform:uppercase;margin-top:.25rem;margin-bottom:.75rem}.quiz-result .study-hint{max-width:28rem}.quiz-result .study-toolbar{justify-content:center;margin-top:1rem}.quiz-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem}.quiz-side-body{position:relative}.quiz-side-body-obscured>*{filter:blur(10px);pointer-events:none;-webkit-user-select:none;user-select:none}.deck-list{display:flex;flex-direction:column;gap:.6rem}.deck-item{border:var(--border);padding:.65rem .85rem;display:flex;align-items:center;justify-content:space-between;background:var(--surface);cursor:pointer;transition:all .1s;box-shadow:var(--shadow);text-align:left}.deck-item:hover:not(:disabled){transform:translate(-2px,-2px);box-shadow:var(--shadow-lg)}.deck-item:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:var(--shadow)}.deck-name{font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;color:var(--black)}.deck-count{font-family:var(--mono);font-size:9px;color:#666;text-transform:uppercase}.flashcards-stat-grid{margin-bottom:1rem}.profile-activity-grid{grid-template-columns:repeat(3,minmax(0,1fr));width:100%;height:100%;grid-auto-rows:1fr;align-content:stretch}.profile-activity-grid .streak-stat{justify-content:center}.flashcard-meta,.concept-map-title,.pomodoro-meta,.streak-stat span{font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase}.concept-map-shell{display:flex;flex-direction:column;gap:1rem}.concept-map-title{color:#666}.concept-map-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.9rem}.concept-map-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);gap:1.25rem;align-items:stretch}.concept-map-main,.concept-map-side-body{display:flex;flex-direction:column;gap:1rem}.concept-map-layout>.info-stack,.concept-map-main{min-height:34rem}.concept-map-layout>.info-stack{min-width:0}.concept-map-layout>.info-stack>.info-block:first-child{flex:1;display:flex;flex-direction:column}.concept-map-layout>.info-stack>.info-block:first-child .info-block-body{flex:1}.mindmap-canvas{border:var(--border);background:var(--black);min-height:34rem;flex:1;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}.concept-map-side-body{flex:1;min-width:0}.concept-map-side-body>*{min-width:0}.concept-map-side-body .study-textarea{flex:1;min-height:0}.mindmap-grid{position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(255,230,0,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,230,0,.04) 1px,transparent 1px);background-size:24px 24px}.mindmap-canvas svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none}.mindmap-node{position:absolute;transform:translate(-50%,-50%);border:var(--border);padding:.45rem .75rem;font-family:var(--mono);font-size:9px;letter-spacing:1px;text-transform:uppercase;cursor:pointer;transition:all .2s;white-space:nowrap}.mindmap-node:hover,.mindmap-node.active{transform:translate(-50%,-50%) translate(-2px,-2px)}.node-center{background:var(--yellow);color:#0a0a0a;box-shadow:var(--shadow-lg);font-size:11px}.node-branch{background:var(--surface);color:var(--black);box-shadow:3px 3px 0 var(--yellow)}.node-leaf{background:#00f5d426;color:var(--cyan);border-color:var(--cyan);box-shadow:2px 2px 0 var(--cyan)}.concept-node{border:var(--border);box-shadow:var(--shadow);background:var(--surface);padding:.9rem;display:flex;flex-direction:column;gap:.45rem;align-items:flex-start;text-align:left;cursor:pointer}.concept-node.active{background:var(--cyan);transform:translate(-2px,-2px);box-shadow:var(--shadow-lg)}.concept-node span{font-family:var(--body);font-size:14px;line-height:1.35}.concept-node small{font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase}.voice-layout,.settings-layout{display:flex;flex-direction:column;gap:1.25rem}.voice-topbar{display:flex;flex-wrap:wrap;gap:.75rem}.voice-chip{border:var(--border);box-shadow:var(--shadow);padding:.45rem .7rem;background:var(--surface);color:var(--black);font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase}.markdown-content{font-family:var(--body);font-size:13px;line-height:1.6;color:inherit}.chat-markdown{max-width:100%}.chat-markdown p,.chat-markdown ul,.chat-markdown ol,.chat-markdown blockquote,.chat-markdown pre,.chat-markdown table,.chat-markdown h1,.chat-markdown h2,.chat-markdown h3,.chat-markdown h4{margin:0 0 .6rem}.chat-markdown ul,.chat-markdown ol{padding-left:1.1rem}.chat-markdown blockquote{margin-inline:0}.chat-markdown pre{max-width:100%;box-shadow:3px 3px 0 var(--black)}.markdown-content>*:first-child{margin-top:0}.markdown-content>*:last-child{margin-bottom:0}.markdown-content p,.markdown-content ul,.markdown-content ol,.markdown-content blockquote,.markdown-content pre,.markdown-content table,.markdown-content h1,.markdown-content h2,.markdown-content h3,.markdown-content h4{margin:0 0 .85rem}.markdown-content ul,.markdown-content ol{padding-left:1.25rem}.markdown-content li+li{margin-top:.25rem}.markdown-content code{font-family:var(--mono);font-size:.95em;background:#00000014;padding:.08rem .3rem}.markdown-content pre{border:var(--border);box-shadow:var(--shadow);background:#0000000d;padding:.9rem;overflow-x:auto}.markdown-content pre code{background:transparent;padding:0}.markdown-content blockquote{border-left:4px solid var(--yellow);padding-left:.9rem;color:#555}.markdown-content table{width:100%;border-collapse:collapse}.markdown-content th,.markdown-content td{border:2px solid var(--black);padding:.45rem .55rem;text-align:left}.markdown-content th{font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;background:var(--yellow)}.markdown-content .katex-display{overflow-x:auto;overflow-y:hidden;padding:.35rem 0}.voice-chip.active{background:var(--pink);color:var(--white)}.voice-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.9fr);gap:1.25rem;align-items:stretch}.trace-step{border:var(--border);box-shadow:var(--shadow);overflow:hidden;background:var(--white)}.trace-label{padding:.55rem .8rem;font-family:var(--mono);font-size:10px;letter-spacing:2px;text-transform:uppercase;background:var(--black);color:var(--yellow)}.trace-content{padding:.9rem}.trace-content pre{white-space:pre-wrap;word-break:break-word;font-family:var(--mono);font-size:12px;line-height:1.5}.trace-tool_result .trace-label{background:var(--cyan);color:var(--black)}.trace-response .trace-label{background:var(--pink);color:var(--white)}.voice-center{border:var(--border);box-shadow:var(--shadow);background:linear-gradient(180deg,#ffe6000d,#00f5d40a);padding:1.5rem;display:flex;flex-direction:column;align-items:center;gap:1rem;justify-content:space-between;min-height:100%}.voice-status{font-family:var(--mono);font-size:12px;letter-spacing:1px;text-transform:uppercase;color:#555}.voice-pipeline-block{background:var(--surface);min-height:100%}.voice-pipeline-list{display:flex;flex-direction:column;gap:.75rem}.voice-pipeline-step{border:var(--border);box-shadow:var(--shadow);background:var(--surface);padding:.8rem .9rem;display:flex;align-items:center;gap:.75rem;font-family:var(--mono);font-size:11px;letter-spacing:1px;text-transform:uppercase}.voice-pipeline-step.active{background:var(--yellow)}.voice-pipeline-icon{min-width:3.25rem;border:2px solid var(--black);padding:.2rem .4rem;text-align:center;background:var(--black);color:var(--yellow);font-size:10px;font-weight:700}.voice-results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}.voice-results-grid .result-panel{box-shadow:var(--shadow);margin-top:0}.pomodoro-body{display:flex;flex-direction:column;gap:1rem}.pomodoro-time{font-family:var(--display);font-size:64px;line-height:1;color:var(--black)}.pomodoro-meta{display:flex;flex-direction:column;gap:.35rem;color:#666}.pomodoro-mode-switcher{display:flex;flex-wrap:wrap;gap:.6rem}.pomodoro-chip{padding:.45rem .7rem;min-width:96px;justify-content:center}.pomodoro-label{font-family:var(--mono);font-size:11px;letter-spacing:1px;text-transform:uppercase;color:#666}.session-log,.pinned-list{display:flex;flex-direction:column;gap:.75rem}.session-item{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:.6rem;border:var(--border);box-shadow:var(--shadow);background:var(--surface);padding:.65rem .75rem;font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase}.session-dot{width:10px;height:10px;border-radius:50%;border:2px solid var(--black);background:var(--yellow)}.session-dot.break{background:var(--cyan)}.session-time{color:#777}.streak-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem}.streak-stat{border:var(--border);box-shadow:var(--shadow);background:var(--surface);padding:.75rem;display:flex;flex-direction:column;gap:.3rem}.streak-stat strong{font-family:var(--display);font-size:32px;line-height:1}.achievement-wall{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1rem}.calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:.45rem;margin-top:1rem}.calendar-day{border:var(--border);box-shadow:var(--shadow);background:var(--surface);min-height:2.25rem;display:grid;place-items:center;font-family:var(--mono);font-size:10px}.calendar-day.active{background:var(--yellow)}.calendar-day.today{background:var(--cyan)}.achievement-chip{border:var(--border);box-shadow:var(--shadow);background:#ddd7ce;color:#666;padding:.55rem .75rem;font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase}.achievement-chip.active{background:var(--yellow);color:var(--black)}.profile-layout{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem;align-items:stretch}.profile-hero{background:var(--black);border:var(--border);box-shadow:var(--shadow);padding:1.75rem 1.25rem;text-align:center;position:relative;overflow:hidden}.profile-panel{min-width:0}.profile-panel-xp,.profile-panel-activity,.profile-panel-achievements{display:flex;flex-direction:column}.profile-panel-xp .info-block-body,.profile-panel-activity .info-block-body,.profile-panel-achievements .info-block-body,.profile-panel-calendar .info-block-body{flex:1}.profile-panel-activity .info-block-body{display:flex;align-items:stretch}.profile-panel-calendar .info-block-body{display:flex;align-items:stretch;padding:1rem 0}.profile-panel-hero{min-height:100%;display:flex;flex-direction:column;justify-content:center}.profile-panel-calendar{grid-column:1 / 3;width:calc(100% + 5px);justify-self:start}.profile-calendar-shell{position:relative;display:flex;flex:1;align-items:stretch;justify-content:center;width:100%;min-height:19rem}.profile-calendar-arrow{top:50%;transform:translateY(-50%);background:var(--surface);height:5.25rem}.profile-calendar-arrow.flashcard-arrow-left{left:0;border-left:none}.profile-calendar-arrow.flashcard-arrow-right{right:0;border-right:none}.profile-hero:before{content:"";position:absolute;inset:auto -30px -30px auto;width:160px;height:160px;background:radial-gradient(circle,var(--profile-glow) 0%,transparent 70%);pointer-events:none}.profile-hero-icon{width:56px;height:56px;margin:0 auto .75rem;border:var(--border);background:var(--yellow);color:var(--black);display:grid;place-items:center;font-family:var(--display);font-size:28px}.profile-welcome{font-family:var(--mono);font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--yellow)}.profile-name{font-family:var(--display);font-size:clamp(36px,5vw,64px);line-height:.95;color:var(--white);margin-top:.45rem;text-transform:uppercase}.profile-rank{font-family:var(--mono);font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--cyan);margin-top:.6rem}.profile-streak-copy{font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;color:#c5beb2;margin-top:.75rem}.profile-actions{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center;margin-top:1rem}.profile-import-status{font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;color:#c5beb2;margin-top:.85rem}.profile-section-body{display:flex;flex-direction:column;gap:.9rem}.profile-xp-meta{display:flex;justify-content:space-between;gap:1rem;font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;color:#666}.profile-xp-bar{height:12px;border:var(--border);box-shadow:var(--shadow);overflow:hidden;background:#0000001a}.profile-xp-fill{height:100%;background:linear-gradient(90deg,var(--cyan),var(--yellow))}.profile-xp-stream{display:flex;flex-direction:column;gap:.55rem;margin-top:.5rem}.profile-xp-update{font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;color:#555;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-bottom:.55rem;border-bottom:1px solid #e4dbcd}.profile-xp-update:last-child{border-bottom:none;padding-bottom:0}.profile-xp-update.empty{justify-content:flex-start}.profile-achievements{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem;align-content:start}.profile-achievement-card{border:var(--border);box-shadow:var(--shadow);background:var(--surface);padding:.85rem}.profile-achievement-card.active{background:var(--yellow)}.profile-achievement-card.locked{opacity:.48;filter:grayscale(1)}.profile-achievement-label{font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;color:var(--black)}.profile-achievement-desc{font-family:var(--body);font-size:13px;line-height:1.4;color:#444;margin-top:.45rem}.profile-stat-grid{margin-bottom:1rem}.profile-calendar-grid{width:100%;padding:0 4.5rem;box-sizing:border-box;margin-top:0;grid-template-rows:auto repeat(6,minmax(2.25rem,1fr));min-height:100%}.history-block .info-block-head{align-items:center}.history-header-tools{display:flex;flex-wrap:nowrap;gap:.5rem;align-items:center;justify-content:flex-end}.history-header-btn.active{background:var(--pink);color:var(--white)}.history-clear{border:2px solid var(--black);background:var(--yellow);color:var(--black);padding:.22rem .48rem;font-family:var(--mono);font-size:9px;letter-spacing:1px;text-transform:uppercase;cursor:pointer;box-shadow:2px 2px 0 var(--black);line-height:1.1;white-space:nowrap}.history-body{display:flex;flex-direction:column;gap:.9rem;height:100%}.history-search{width:100%;border:var(--border);box-shadow:var(--shadow);padding:.8rem .9rem;background:var(--surface);font-family:var(--mono);font-size:12px;color:var(--black);outline:none}.app-select{position:relative;width:100%}.app-select-trigger{width:100%;border:var(--border);box-shadow:var(--shadow);padding:.8rem .9rem;background:var(--surface);color:var(--black);font-family:var(--mono);font-size:12px;outline:none;display:flex;align-items:center;justify-content:space-between;gap:.9rem;text-align:left}.app-select.open .app-select-trigger{box-shadow:var(--shadow);transform:none}.app-select-value{min-width:0;flex:1}.app-select-chevron{width:10px;height:10px;flex-shrink:0;border-right:2px solid var(--black);border-bottom:2px solid var(--black);transform:rotate(45deg) translateY(-2px)}.app-select.open .app-select-chevron{transform:rotate(225deg) translateY(-1px)}.app-select-menu{position:absolute;top:calc(100% + .65rem);left:0;right:0;border:var(--border);box-shadow:var(--shadow);background:var(--surface);padding:0;display:flex;flex-direction:column;gap:0;z-index:50;overflow:hidden}.app-select-option{width:100%;border:none;border-top:2px solid var(--black);padding:.7rem .8rem;background:var(--surface);color:var(--black);font-family:var(--mono);font-size:11px;letter-spacing:1px;text-transform:uppercase;text-align:left}.app-select-option:first-child{border-top:none}.app-select-option.active{background:var(--yellow)}.app-select-option:hover{transform:none;box-shadow:none;background:color-mix(in srgb,var(--cyan) 20%,var(--surface))}.app-select-option:active{transform:none;box-shadow:none}.app-select-trigger:active{transform:translate(2px,2px);box-shadow:3px 3px 0 var(--black)}.history-list{display:flex;flex-direction:column;gap:.6rem;flex:1;min-height:14rem;overflow-y:auto;padding:.2rem}.history-item{border:var(--border);box-shadow:var(--shadow);background:var(--surface);padding:.7rem;text-align:left;display:flex;flex-direction:column;gap:.35rem;cursor:pointer}.history-item.active{background:var(--yellow);transform:translate(-2px,-2px);box-shadow:var(--shadow-lg);position:relative;z-index:1}.history-source,.history-time,.history-preview-label{font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase}.history-source{color:#666}.history-prompt{font-family:var(--body);font-size:13px;line-height:1.4;color:var(--black)}.history-time{color:#777}.history-preview{border:var(--border);box-shadow:var(--shadow);padding:.9rem;background:linear-gradient(180deg,#ffe60014,#00f5d414);display:flex;flex-direction:column;gap:.45rem;position:relative}.history-actions{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:.5rem;align-items:center;padding-right:5.5rem}.history-preview-btn{background:var(--yellow);color:var(--black)}.history-remove{position:absolute;top:.9rem;right:.9rem;z-index:1}.history-preview .markdown-content,.pinned-item .markdown-content{font-size:13px;line-height:1.5}.history-preview p,.history-empty{font-family:var(--body);font-size:13px;line-height:1.5;color:#444;white-space:pre-wrap}.pinned-item{border:var(--border);box-shadow:var(--shadow);background:linear-gradient(180deg,#ffe60014,#00f5d414);padding:.85rem 5.5rem .85rem .85rem;display:flex;flex-direction:column;gap:.45rem;position:relative}.pinned-remove{position:absolute;top:.85rem;right:.85rem;z-index:1}.pinned-question,.pinned-answer{font-family:var(--body);font-size:13px;line-height:1.5;color:#444}.support-grid .pinned-list{height:100%;min-height:14rem;overflow-y:auto}.theme-switcher{display:flex;flex-wrap:wrap;gap:.75rem}.theme-chip{border:var(--border);box-shadow:var(--shadow);padding:.6rem .85rem;background:var(--surface);color:var(--black);font-family:var(--mono);font-size:11px;letter-spacing:1px;text-transform:uppercase;cursor:pointer}.theme-chip.active{background:var(--yellow);transform:translate(-2px,-2px);box-shadow:var(--shadow-lg)}.theme-switcher .theme-chip.active{transform:none;box-shadow:var(--shadow)}.theme-switcher .theme-chip:hover:not(:disabled){transform:none;box-shadow:var(--shadow)}.theme-switcher .theme-chip:active:not(:disabled){transform:translate(2px,2px);box-shadow:3px 3px 0 var(--black)}.theme-chip:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:var(--shadow)}.provider-panel{display:flex;flex-direction:column;gap:.75rem}.settings-section{background:var(--surface)}.settings-body{display:flex;flex-direction:column;gap:1rem}.settings-field{display:flex;flex-direction:column;gap:.45rem}.settings-label{font-family:var(--mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;color:#666}.settings-runtime{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.75rem}.settings-actions,.provider-switcher{display:flex;flex-wrap:wrap;gap:.75rem}.provider-note,.model-banner-note{font-family:var(--mono);font-size:10px;line-height:1.5;letter-spacing:1px;text-transform:uppercase;color:var(--muted)}.settings-instruction-note{font-family:var(--mono);font-size:11px;line-height:1.55;letter-spacing:1px;text-transform:uppercase;color:var(--muted-strong)}.settings-instruction-note strong,.settings-instruction-note code{font-size:1em}.model-banner-copy{display:flex;flex-direction:column;gap:.25rem}.vision-preview-image{width:auto;height:100%;max-width:100%;max-height:100%;object-fit:contain;background:#0000001f}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}body[data-theme=blue]{background:radial-gradient(circle at top right,rgba(93,169,255,.12),transparent 26%),linear-gradient(180deg,#f5f0e8,#eef5ff)}body[data-theme=pink]{background:radial-gradient(circle at top right,rgba(255,92,168,.14),transparent 26%),linear-gradient(180deg,#f5f0e8,#fff1f7)}body[data-theme=orange]{background:radial-gradient(circle at top right,rgba(255,159,28,.14),transparent 26%),linear-gradient(180deg,#f5f0e8,#fff4e7)}body[data-theme=purple]{background:radial-gradient(circle at top right,rgba(168,85,247,.14),transparent 26%),linear-gradient(180deg,#f5f0e8,#f7efff)}@media(max-width:960px){:root{--header-offset: 150px}header{padding:0 1rem;flex-wrap:wrap}.logo-block{margin-right:1rem;padding-right:1rem}nav{width:100%;overflow-x:auto}.header-timer-shell{width:100%;justify-content:flex-end;margin:0 0 1rem}.header-timer-popup{right:0}.hero-strip{grid-template-columns:1fr;padding:2rem 1rem}.hero-title{white-space:normal}.hero-stats{justify-content:flex-start}.content{grid-template-columns:1fr;padding:1rem}.vision-workspace{grid-template-columns:1fr}.camera-frame{width:100%!important;height:auto!important}.vision-header-tools{width:100%;justify-content:flex-start;flex-wrap:wrap}.streak-grid,.voice-grid,.flashcards-layout{grid-template-columns:1fr}.study-flashcard{min-height:28rem;padding:0 3.3rem}.card-face,.card-back{padding:2rem 4.6rem 4rem}.card-core{width:calc(100% - 9.2rem)}.flashcard-arrow{width:2.6rem;height:3.25rem;font-size:28px}.quiz-layout,.support-grid,.concept-map-layout,.profile-layout{grid-template-columns:1fr}.profile-panel-calendar{grid-column:auto}.profile-achievements{grid-template-columns:1fr}footer{padding:.75rem 1rem;flex-direction:column;align-items:flex-start;gap:.35rem}}.profile-name-row{width:100%;display:flex;justify-content:center;align-items:center;min-height:4.5rem;margin-top:.45rem}.profile-name-display{position:relative;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:opacity .2s ease;padding:0 1.5rem;max-width:min(100%,34rem)}.profile-name-display:hover .edit-icon{opacity:1}.profile-name-display .edit-icon{position:absolute;right:0;top:50%;transform:translateY(-50%);color:var(--muted);opacity:0;transition:opacity .2s ease,color .2s ease;flex-shrink:0}.profile-name-display:hover .edit-icon{color:var(--yellow)}.profile-name-input{font-family:var(--display);font-size:clamp(36px,5vw,64px);color:var(--white);background:#ffffff0d;border:2px dashed rgba(255,255,255,.28);border-radius:4px;padding:.1rem .75rem;width:min(100%,34rem);outline:none;line-height:.95;text-align:center;display:block;margin:0 auto}.profile-name-input:focus{border-color:var(--yellow);background:#ffffff1a}.calendar-day-header{font-family:var(--mono);font-size:9px;font-weight:700;color:var(--muted);text-transform:uppercase;text-align:center;margin-bottom:.2rem}.calendar-day.empty{background:transparent;border:none;box-shadow:none}.calendar-day{box-shadow:2px 2px 0 var(--black)}
