@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:"0.16.45"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}:root{--bg: #f3f4f8;--panel: #f7f8fb;--line: #e5e9f4;--text: #222a3a;--muted: #80889c;--primary: #5866f3;--primary-soft: #e3e7ff;--danger: #c73b45;--success: #188a56}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;color:var(--text);background:var(--bg)}button,input,textarea,select{font:inherit}button{cursor:pointer}.loading{height:100%;display:grid;place-items:center;color:#5e6780}.auth-wrap{min-height:100%;display:grid;place-items:center;padding:16px}.auth-card{width:420px;max-width:96vw;border:1px solid #d6deef;border-radius:16px;background:#fff;padding:24px;display:grid;gap:10px;box-shadow:0 18px 48px #243d701f}.auth-card h1{margin:0;color:#4d5cf1}.auth-card p{margin:0;color:#6d7690}.auth-card input,.auth-card button{height:42px;border-radius:10px;border:1px solid #cdd7ec;padding:0 12px}.auth-card button{border-color:#4d5cf1;background:#4d5cf1;color:#fff}.auth-card .ghost{background:#fff;border-color:#cdd7ec;color:#526082}.muted{color:#79829b;font-size:13px}.global-banner{margin:10px 14px 0;border:1px solid #dbe3f2;border-radius:10px;background:#fff;padding:8px 10px;font-size:13px;z-index:10}.floating-toast{position:absolute;top:16px;left:50%;transform:translate(-50%);margin:0;width:fit-content;max-width:calc(100% - 32px);padding:9px 14px 9px 18px;box-shadow:0 10px 28px #1f26482e;z-index:1200;pointer-events:none}.error{color:var(--danger)}.success{color:var(--success)}.app-shell{display:flex;height:100%;overflow:hidden}.app-shell.digital-fullscreen{width:100vw;height:100vh}.app-shell.digital-fullscreen .sidebar,.app-shell.digital-fullscreen .sidebar-expand-fab{display:none!important}.app-shell.digital-fullscreen .main-area{width:100%}.sidebar{width:286px;border-right:1px solid var(--line);background:var(--panel);padding:16px 12px 14px;display:flex;flex-direction:column;min-height:0;overflow:hidden}.brand-row{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px}.brand-wrap{display:flex;gap:10px;align-items:center}.brand-icon{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#6271ff,#4f5df4)}.brand-title{font-size:34px;font-weight:700;color:#4e5cf1;line-height:1}.brand-subtitle{margin-top:4px;font-size:13px;color:#4f5bf4;font-weight:600}.menu-icon{border:none;background:transparent;color:#1a2031;cursor:pointer;width:34px;height:30px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center}.nav-group{display:grid;gap:16px;margin:20px 0 16px}.nav-btn{width:92%;margin:0 auto;height:46px;border-radius:22px;border:1px solid #e5e8f2;background:#eceef4;color:#3f4659;font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px}.nav-btn.active{background:var(--primary-soft);border-color:#d6ddff;color:var(--primary);font-weight:700}.history-panel{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}.history-label{margin:8px;font-size:16px;color:#2f3950;font-weight:700}.thread-list{display:flex;flex-direction:column;gap:4px;overflow-y:auto;min-height:0;flex:1;padding-right:2px}.thread-item{border-radius:12px;padding:8px 10px;border:1px solid transparent;cursor:pointer;min-height:56px;display:flex;flex-direction:column;justify-content:center;flex-shrink:0}.thread-item:hover,.thread-item.active{background:#e8ecfb;border-color:#d9dff2}.thread-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.thread-title{font-size:15px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thread-actions{position:relative;display:inline-flex;align-items:center}.thread-more{font-size:20px;line-height:1;color:#161c2e;border:none;background:transparent;cursor:pointer;padding:0 2px}.thread-menu{position:absolute;top:22px;right:0;z-index:60;min-width:124px;background:#fff;border:none;border-radius:14px;box-shadow:0 14px 32px #1426501f;padding:6px}.thread-menu-btn{width:100%;border:none;background:transparent;text-align:left;border-radius:8px;padding:6px 8px;cursor:pointer;font-size:13px;color:#2c3242}.thread-menu-btn:hover{background:#eef2ff;color:#4352ef}.thread-menu-confirm{display:grid;gap:8px;padding:4px 2px 2px;font-size:12px;color:#66708a}.thread-menu-confirm-actions{display:flex;gap:6px}.thread-menu-mini{border:1px solid #d7ddeb;border-radius:10px;background:#fff;padding:6px 10px;cursor:pointer;font-size:12px;transition:border-color .15s ease,background-color .15s ease,color .15s ease}.thread-menu-mini:hover{border-color:#c6d2f5;background:#f6f8ff}.thread-menu-mini.danger{border-color:#f1c9cc;color:var(--danger)}.thread-agent{margin-top:4px;font-size:12px;color:var(--muted)}.history-end{margin-top:10px;text-align:center;color:#8f95a5;flex-shrink:0}.search-box{margin-top:auto;border-top:1px solid var(--line);padding-top:12px;position:relative}.search-box input{width:100%;height:40px;border-radius:22px;border:1px solid #d8ddec;padding:0 40px 0 14px;background:#fff}.search-icon{position:absolute;right:14px;top:32px;transform:translateY(-50%)}.user-avatar{width:48px;height:48px;margin:14px auto 0;border-radius:50%;border:2px solid #b7c2ff;background:radial-gradient(circle at 50% 36%,#ffffff 0 10px,transparent 11px),radial-gradient(ellipse at 50% 78%,#d6ddff 0 14px,transparent 15px),#e7ecff}.sidebar-actions{margin-top:10px;display:grid;gap:8px}.sidebar-actions button{height:34px;border-radius:10px;border:1px solid #cfd8ef;background:#fff;color:#425170}.main-area{flex:1;overflow:hidden;position:relative}.app-shell.sidebar-collapsed .sidebar{display:none}.sidebar-expand-fab{position:absolute;left:12px;top:10px;z-index:20;width:36px;height:36px;border-radius:10px;border:1px solid #d9e0f2;background:#fff;color:#2c3652;display:inline-flex;align-items:center;justify-content:center}.sidebar-toggle-icon{width:22px;height:16px;border:2px solid #8d96a7;border-radius:6px;position:relative;display:inline-block;background:#f8f9fc}.sidebar-toggle-icon:before{content:"";position:absolute;top:-2px;bottom:-2px;left:50%;width:2px;transform:translate(-50%);background:#8d96a7}.view{display:none;height:100%;min-height:0}.view.active{display:flex}.view.monitor-view.active{display:flex;flex-direction:column;height:100%;min-height:100%;padding:18px 18px 20px;overflow:hidden;background:#f5f7fc}.view.empty .chat-messages{display:none}.view.empty .welcome-title{display:block}.view:not(.empty) .welcome-title{display:none}.welcome-title{margin:0 0 18px;color:var(--primary);font-size:52px;transform:scale(.55)}.chat-messages{width:min(990px,96%);flex:1;min-height:0;overflow-y:auto;margin-bottom:12px;border:1px solid #dde2ef;border-radius:16px;background:#fff;padding:14px 14px 22px;scroll-padding-bottom:18px}.chat-bottom-anchor{height:1px}.view.active.empty{justify-content:center;padding-top:0;transform:translateY(-10%)}.main-area>.view:first-of-type{flex-direction:column;align-items:center;padding:72px 24px 14px;overflow:hidden}.msg-row{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px}.msg-row.user{flex-direction:row-reverse}.msg-avatar{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;background:#e4e9ff;color:#4a58ef;border:1px solid #d2d9ff;flex-shrink:0}.msg-bubble-wrap{max-width:calc(100% - 44px)}.msg-row.user .msg-bubble-wrap{display:flex;flex-direction:column;align-items:flex-end}.msg-bubble{white-space:pre-wrap;line-height:1.65;padding:10px 12px;border-radius:12px;border:1px solid #e0e4f0;background:#f9faff}.msg-row.user .msg-bubble{background:#eaf0ff;border-color:#d4dcfb}.md-bubble{white-space:normal}.md-bubble>*:first-child{margin-top:0}.md-bubble>*:last-child{margin-bottom:0}.md-bubble h1,.md-bubble h2,.md-bubble h3,.md-bubble h4{margin:10px 0 8px;color:#243055;line-height:1.35}.md-bubble .md-heading-lite{margin:8px 0;font-size:1em;font-weight:500;line-height:1.7;color:#243055}.md-bubble .md-strong-lite{font-weight:400;color:inherit}.md-bubble p{margin:8px 0}.md-bubble ul,.md-bubble ol{margin:8px 0;padding-left:22px}.md-bubble li+li{margin-top:4px}.md-bubble code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,Liberation Mono,monospace;font-size:12px;background:#edf2ff;color:#23315e;border-radius:6px;padding:2px 6px}.md-bubble pre{margin:10px 0;background:#f2f5ff;border:1px solid #dde4fa;border-radius:10px;padding:10px 12px;overflow:auto}.md-bubble pre code{background:transparent;border-radius:0;padding:0}.md-bubble blockquote{margin:10px 0;padding:6px 10px;border-left:3px solid #b8c7ff;background:#f6f8ff;color:#4a567c}.md-bubble .katex-display{margin:10px 0;overflow-x:auto;overflow-y:hidden}.meta{margin-top:6px;font-size:12px;color:#7f879a}.lesson-download-btn{margin-top:8px;border:1px solid #cbd5ff;background:#f3f6ff;color:#2e4fbf;border-radius:8px;height:30px;padding:0 10px;font-size:12px;font-weight:600;cursor:pointer}.lesson-download-btn:disabled{opacity:.72;cursor:not-allowed}.composer-card{width:min(990px,96%);border-radius:16px;border:2px solid #ced4fc;background:#fff;padding:10px}.composer-card textarea{width:100%;border:none;outline:none;resize:none;min-height:64px;font-size:16px;font-family:inherit;background:transparent}.agent-hint-row{display:flex;align-items:center;gap:8px;margin-bottom:8px}.agent-hint-label{font-size:12px;color:#7b8398}.agent-hint-chip{display:inline-flex;align-items:center;border:1px solid #c8d0f4;background:#eef2ff;color:#3f4dd8;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:600}.tools-row{margin-top:10px;display:flex;justify-content:space-between;align-items:center;gap:10px}.left-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.tool-btn,.model-select-wrap{border:1px solid #d8ddeb;border-radius:999px;background:#f8f9fd;color:#3f4760}.tool-btn{padding:6px 12px;cursor:pointer}.tool-btn.active{border-color:#c0c9ff;background:#e8ecff;color:#4453ef}.model-select-wrap{display:flex;align-items:center;gap:6px;padding:4px 10px;width:220px;max-width:56vw}.model-select-wrap label{font-size:12px;color:#6c7488}.model-select-wrap select{border:none;background:transparent;outline:none;width:150px;min-width:150px;max-width:150px}.send-btn{width:40px;height:40px;border:none;border-radius:50%;background:#8d98fb;color:#fff;font-size:20px;cursor:pointer}.send-btn:disabled{opacity:.65;cursor:not-allowed}.quick-row{width:min(990px,96%);margin-top:12px;display:flex;flex-wrap:wrap;gap:10px}.quick-btn{border:1px solid #dde2ee;background:#fff;border-radius:999px;padding:8px 14px;color:#4e566b;cursor:pointer}.quick-btn.active{border-color:#c0c9ff;background:#e8ecff;color:#4453ef}.footer-links{margin-top:10px;padding-bottom:2px;color:#5462f6;display:flex;gap:24px;font-weight:600}.tech-support-note{margin-top:4px;margin-bottom:4px;font-size:12px;color:#7f88a6}.main-area>.view:nth-of-type(2){flex-direction:column;overflow:auto}.agent-hero{min-height:212px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;text-align:center;background:linear-gradient(180deg,#ecf0ff,#f7f8ff)}.agent-brand-text{font-size:14px;font-weight:700;color:#6171ff;letter-spacing:.6px}.agent-hero h2{margin:0;color:#4f5bf4;font-size:40px;transform:scale(.62)}.agent-hero p{margin:-2px 0 0;color:#616a7c}.category-tabs{padding:26px 24px 8px;display:flex;gap:8px;flex-wrap:wrap}.category-btn{border:none;border-radius:10px;padding:8px 12px;background:#e8ebfa;color:#5a617f;cursor:pointer}.category-btn.active{background:#5864f4;color:#fff}.agent-grid{padding:12px 24px 28px;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.agent-card{position:relative;border-radius:14px;border:1px solid #dfe3ee;background:#fff;min-height:164px;padding:15px 15px 42px;display:flex;flex-direction:column;cursor:pointer;transition:border-color .15s ease,box-shadow .15s ease;overflow:hidden}.agent-card:hover{border-color:#c6d2f5;box-shadow:0 4px 14px #3e569214}.agent-card.active{border-color:#bac8f8}.agent-title-line{display:flex;align-items:center;gap:8px;padding-left:8px;padding-right:8px}.agent-flag{width:10px;height:10px;border-radius:2px;background:conic-gradient(#59d970 0,#59d970 25%,#5ab7ff 25%,#5ab7ff 50%,#ff6f9b 50%,#ff6f9b 75%,#8a7dff 75%,#8a7dff);flex-shrink:0}.agent-card h3{font-size:20px;line-height:1.25;margin:0 0 0 2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.agent-card .agent-desc{margin:8px 0 0;color:#5f6679;line-height:1.6;font-size:13px;flex:1;min-height:calc(1.6em * 3);max-height:calc(1.6em * 3);padding-left:16px;padding-right:4px;overflow:hidden;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;line-clamp:3;text-overflow:ellipsis}.agent-card-meta{position:absolute;right:12px;bottom:12px;z-index:2}.agent-share-chip{position:static;display:inline-flex;align-items:center;border-radius:10px;border:1px solid #b8c8ff;background:#e9efff;color:#3552ba;padding:3px 9px;font-size:12px;line-height:1.25;font-weight:600;white-space:nowrap}.main-area>.view.digital-view{padding:0;position:relative;overflow:hidden;background:radial-gradient(circle at 50% 35%,#444a72,#1f2442 68%,#15182b)}.dh-scene{position:relative;width:100%;height:100%;overflow:hidden}.dh-brand{position:absolute;left:24px;top:18px;color:#f0f3ff;font-weight:700;letter-spacing:.4px;z-index:2}.dh-model-picker,.dh-voice-picker{position:absolute;right:76px;z-index:3;display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:10px;background:#0b101e8c;border:1px solid rgba(218,226,255,.24);color:#eef3ff}.dh-model-picker{top:14px}.dh-voice-picker{top:54px}.dh-model-picker select,.dh-voice-picker select{min-width:156px;border:1px solid rgba(177,192,255,.42);background:#ffffff14;color:#f6f8ff;border-radius:8px;height:28px;outline:none;padding:0 8px}.dh-model-picker select option,.dh-voice-picker select option{color:#1e2545;background:#eef2ff}.dh-character{position:absolute;left:50%;top:50%;transform:translate(-50%,-58%);width:min(420px,46vw);aspect-ratio:1 / 1.28;z-index:1}.dh-character img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 14px 26px rgba(8,10,20,.35))}.live2d-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:none}.glb-viewer{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:none;filter:drop-shadow(0 14px 26px rgba(8,10,20,.35))}.dh-character.live2d-ready .live2d-canvas,.dh-character.glb-ready .glb-viewer{display:block}.dh-character.glb-ready .live2d-canvas,.dh-character.glb-ready img,.dh-character.live2d-ready img{display:none}.dh-subtitle{position:absolute;left:50%;bottom:108px;transform:translate(-50%);width:min(920px,80%);min-height:56px;border-radius:12px;background:#090c1685;border:1px solid rgba(211,222,255,.24);color:#f4f6ff;padding:12px 14px;line-height:1.6;z-index:2}.dh-input-bar{position:absolute;left:50%;bottom:24px;transform:translate(-50%);width:min(980px,86%);height:56px;border-radius:16px;background:#0d101b8c;border:1px solid rgba(198,209,255,.24);display:grid;grid-template-columns:48px 1fr 48px 56px;gap:8px;padding:6px;z-index:3}.dh-input-bar input{border:none;outline:none;border-radius:10px;padding:0 10px;font-size:15px;background:transparent;color:#f4f6ff}.dh-input-bar input::placeholder{color:#eef1ffbf}.dh-icon-btn,.dh-send-btn{border:none;border-radius:10px}.dh-icon-btn{background:#ffffff1f;color:#eef3ff;font-size:20px;position:relative;display:inline-flex;align-items:center;justify-content:center;overflow:visible;transition:background .18s ease,color .18s ease,transform .18s ease}.dh-icon-btn.recording{background:radial-gradient(circle at 50% 42%,#fff3,#ff566947);color:#fff;transform:translateY(-1px)}.dh-mic-visual{position:relative;width:100%;height:100%;min-width:42px;min-height:42px;display:inline-flex;align-items:center;justify-content:center}.dh-mic-icon{position:relative;z-index:2;width:24px;height:24px;fill:currentColor}.dh-mic-wave{position:absolute;left:50%;top:50%;width:42px;height:42px;margin-left:-21px;margin-top:-21px;border-radius:50%;border:1.5px solid rgba(255,105,123,.58);box-shadow:0 0 18px #ff697b38;opacity:0;transform:scale(.68);pointer-events:none}.dh-icon-btn.recording .dh-mic-wave{animation:dh-mic-ripple 1.45s ease-out infinite}.dh-icon-btn.recording .dh-mic-wave.delay{animation-delay:.48s}.dh-send-btn{background:#4e6ef5;color:#fff;font-size:22px}@keyframes dh-mic-ripple{0%{opacity:.78;transform:scale(.72)}75%{opacity:0;transform:scale(1.9)}to{opacity:0;transform:scale(1.9)}}.dh-lines{position:absolute;left:24px;bottom:124px;width:min(460px,34vw);height:min(62vh,620px);overflow:auto;z-index:4;border-radius:12px;border:1px solid rgba(211,222,255,.24);background:#090c1673;padding:8px;-ms-overflow-style:none;scrollbar-width:none}.dh-lines::-webkit-scrollbar{width:0;height:0;display:none}.dh-line{margin-bottom:8px;line-height:1.6;border-radius:8px;padding:6px 8px;color:#eaf0ff;font-size:13px}.dh-line span{display:inline-block;min-width:38px;font-weight:700;margin-right:6px}.dh-line.user{background:#4e6ef53d}.dh-line.assistant{background:#ffffff14}.dh-error{position:absolute;left:50%;top:18px;transform:translate(-50%);border-radius:8px;border:1px solid rgba(252,192,201,.6);background:#ff6b8133;color:#ffe6eb;font-size:12px;padding:6px 10px;z-index:5}.admin-shell{display:grid;grid-template-columns:250px 1fr;height:100%}.admin-side{border-right:1px solid var(--line);background:#f7f9ff;padding:16px 12px;display:flex;flex-direction:column;gap:10px}.admin-logo{font-size:24px;font-weight:700;color:#4f5cf1}.admin-user{color:#66708b;border:1px solid #d6deef;border-radius:10px;padding:8px 10px;background:#fff}.admin-side button{height:40px;border-radius:10px;border:1px solid #cfd8ef;background:#fff;color:#435170;text-align:left;padding:0 12px}.admin-side button.active{background:#e5eaff;border-color:#bfcdfb;color:#3850da;font-weight:700}.admin-bottom{margin-top:auto;display:grid;gap:8px}.admin-main{padding:14px;overflow:auto;background:#f1f4fb;position:relative}.admin-card{border-radius:14px;border:1px solid #d8e1f2;background:#fff;padding:14px;display:grid;gap:10px}.admin-card h2,.admin-card h3,.admin-card h4{margin:0}.admin-card label{display:grid;gap:6px;color:#4c5a77}.admin-card input:not([type=checkbox]),.admin-card textarea,.admin-card select,.admin-card button{border:1px solid #cad6ef;border-radius:10px;padding:8px 10px;background:#fff}.admin-card textarea{min-height:100px;resize:vertical}.admin-card .prompt-area{min-height:260px}.admin-card label.inline-check{display:flex;align-items:center;gap:8px}.admin-card label.inline-check input[type=checkbox]{width:16px;height:16px;margin:0;padding:0}.primary-btn{height:38px;border:1px solid #4565f5;background:#4565f5;color:#fff}.admin-card .primary-btn,.admin-modal .primary-btn{border-color:#4565f5;background:#4565f5;color:#fff}.admin-agent-shell{display:grid;grid-template-columns:1fr 430px;gap:12px;min-height:calc(100vh - 32px)}.admin-agent-shell.modal-mode{display:block;min-height:auto}.admin-agent-main{min-width:0}.admin-agent-hero{min-height:176px}.admin-agent-hero h2{font-size:36px;transform:scale(.6)}.admin-editor-panel{display:grid;gap:12px;align-content:start;max-height:calc(100vh - 44px);overflow:auto;padding-right:2px}.admin-editor-panel .admin-card{position:relative}.admin-toolbar{padding:12px 24px 0;display:flex;flex-wrap:wrap;gap:10px}.admin-secondary-btn{height:38px;border:1px solid #ced6ef;border-radius:10px;background:#fff;color:#415176;padding:0 14px}.admin-secondary-btn:disabled{opacity:.55;cursor:not-allowed}.admin-category-tip{margin:6px 24px 2px;color:#62708d;font-size:13px}.admin-empty-tip{margin:0 24px 24px;border:1px dashed #cfd8ee;border-radius:12px;padding:14px;color:#61708e;background:#fff}.admin-agent-main .agent-card h3{font-size:16px}.admin-agent-main .agent-card p{font-size:12px}.admin-modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;background:#0d14246b;display:grid;place-items:center;padding:20px}.admin-modal{width:min(760px,100%);max-height:calc(100vh - 48px);overflow:auto;border-radius:14px;border:1px solid #d8e1f3;background:#fff;padding:14px;display:grid;gap:10px;box-shadow:0 24px 56px #14265233}.admin-modal-sm{width:min(460px,100%)}.admin-modal-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.admin-modal-head h3{margin:0;font-size:18px}.admin-modal-close{width:32px;height:32px;border:1px solid #d4dced;border-radius:8px;background:#fff;color:#2f3850;font-size:18px;line-height:1}.admin-modal label{display:grid;gap:6px;color:#4b5976}.admin-modal input,.admin-modal textarea,.admin-modal select{border:1px solid #cad6ef;border-radius:10px;padding:8px 10px;background:#fff}.admin-modal textarea{min-height:120px;resize:vertical}.admin-modal .prompt-area{min-height:280px}.admin-modal-actions{display:flex;justify-content:flex-end;gap:8px}.admin-cancel-btn{height:38px;border:1px solid #d0d8ee;border-radius:10px;background:#fff;color:#415073;padding:0 16px}@media (max-width: 1120px){.sidebar{width:248px}.dh-lines{display:none}.admin-agent-shell{grid-template-columns:1fr}}@media (max-width: 860px){.app-shell,.admin-shell{grid-template-columns:1fr;display:grid}.sidebar,.admin-side{width:100%;border-right:none;border-bottom:1px solid var(--line);max-height:46vh}.dh-character{width:min(320px,68vw);top:46%}.dh-model-picker,.dh-voice-picker{left:20px;right:72px}.dh-subtitle{width:90%;bottom:96px}.dh-input-bar{width:92%;grid-template-columns:42px 1fr 42px 50px}}.chatlike-theme{--admin-font: "NotionInter", Inter, -apple-system, system-ui, "Segoe UI", Helvetica, Arial, sans-serif;--admin-bg: #f4f7ff;--admin-bg-alt: #eef2ff;--admin-panel: #ffffff;--admin-text: #232f49;--admin-text-muted: #61708c;--admin-text-light: #95a1ba;--admin-border: #dbe2f1;--admin-blue: #4e5cf1;--admin-blue-active: #4453e8;--admin-badge-bg: #e9eeff;--admin-badge-text: #4e5cf1;--admin-shadow-card: 0 8px 22px rgba(55, 76, 128, .08);--admin-shadow-deep: 0 16px 42px rgba(34, 48, 83, .2);background:var(--admin-bg);color:var(--admin-text);font-family:var(--admin-font)}.admin-console-shell{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:100vh;background:var(--admin-bg);color:var(--admin-text);font-family:var(--admin-font)}.admin-console-nav{padding:24px 16px;border-right:1px solid var(--admin-border);background:#f7f9ff;display:flex;flex-direction:column;gap:8px}.admin-console-brand{margin-bottom:4px;font-size:22px;line-height:1.27;letter-spacing:-.25px;font-weight:700;color:var(--admin-text)}.admin-console-user{margin-bottom:10px;font-size:14px;line-height:1.43;font-weight:500;color:var(--admin-text-muted)}.admin-console-nav-item{border:1px solid transparent;border-radius:14px;background:transparent;color:var(--admin-text);text-align:left;padding:10px 14px;font-size:15px;line-height:1.33;font-weight:600;transition:background .15s ease,border-color .15s ease,color .15s ease}.admin-console-nav-item:hover{background:#edf1ff;border-color:#d7deff}.admin-console-nav-item.active{background:var(--admin-badge-bg);border-color:#d0d9ff;color:var(--admin-badge-text)}.admin-console-nav-bottom{margin-top:auto;display:flex;flex-direction:column;gap:8px}.admin-console-nav-bottom button{border:1px solid var(--admin-border);border-radius:12px;background:#fff;color:var(--admin-text);font-size:15px;line-height:1.33;font-weight:600;padding:8px 12px}.admin-console-main{padding:24px;overflow:auto;background:linear-gradient(180deg,#f4f7ff,#f6f8fe)}.admin-console-card{border:1px solid var(--admin-border);border-radius:16px;background:var(--admin-panel);box-shadow:var(--admin-shadow-card);padding:18px;margin-bottom:16px;display:flex;flex-direction:column;gap:12px}.admin-console-card.two-col{display:grid;grid-template-columns:minmax(280px,340px) minmax(0,1fr);gap:16px}.admin-console-card h2,.admin-page-head h2{margin:0;color:var(--admin-text);font-size:26px;line-height:1.23;letter-spacing:-.625px;font-weight:700}.admin-console-card label,.admin-form-grid label{display:flex;flex-direction:column;gap:6px;color:var(--admin-text-muted);font-size:14px;line-height:1.43;font-weight:500}.admin-console-card input,.admin-console-card textarea,.admin-console-card select,.admin-modal input,.admin-modal textarea,.admin-modal select{border:1px solid #d8ddec;border-radius:12px;background:#fff;color:#2f3950;padding:10px 12px;font-size:15px;line-height:1.4;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}.admin-multi-select{width:100%;min-height:132px;border:1px solid #d8ddec;border-radius:12px;background:#fff;color:#2f3950;padding:8px 10px}.admin-multi-select option{padding:6px 8px;border-radius:8px}.admin-class-checklist{max-height:190px;overflow:auto;border:1px solid #d8ddec;border-radius:12px;background:#fff;padding:6px 10px}.admin-class-check-row{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:36px;padding:4px 2px;border-bottom:1px solid #eef2fb;color:#33415f}.admin-class-check-row:last-child{border-bottom:none}.admin-class-check-row input[type=checkbox]{width:16px;height:16px}.admin-console-card input::placeholder,.admin-console-card textarea::placeholder,.admin-modal input::placeholder,.admin-modal textarea::placeholder{color:var(--admin-text-light)}.admin-console-card input:focus,.admin-console-card textarea:focus,.admin-console-card select:focus,.admin-modal input:focus,.admin-modal textarea:focus,.admin-modal select:focus,.admin-console-nav-item:focus-visible,.admin-primary-btn:focus-visible,.admin-ghost-btn:focus-visible{outline:none;border-color:#9fafff;box-shadow:0 0 0 3px #4e5cf124}.admin-page-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}.admin-toolbar{display:flex;gap:8px;margin-bottom:10px}.admin-toolbar-inline{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.admin-list-toolbar{justify-content:space-between}.admin-toolbar-fields{display:flex;align-items:center;gap:10px;flex:1 1 auto;min-width:320px;flex-wrap:wrap}.admin-toolbar-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex-shrink:0}.admin-toolbar-inline input{width:300px;max-width:300px;flex:0 0 300px}.admin-toolbar-inline select{min-width:132px}.admin-toolbar-actions>button{min-height:38px;min-width:96px;border-radius:14px}.admin-primary-btn,.admin-console-card button.admin-primary-btn{border:1px solid var(--admin-blue);border-radius:14px;background:var(--admin-blue);color:#fff;padding:9px 16px;font-size:15px;line-height:1.33;font-weight:600;box-shadow:0 6px 16px #4e5cf140;transition:background .15s ease,transform .08s ease,box-shadow .15s ease}.admin-primary-btn:hover{background:var(--admin-blue-active, #4453e8);border-color:var(--admin-blue-active, #4453e8);box-shadow:0 8px 18px #4453e847}.admin-primary-btn:active{transform:translateY(1px);box-shadow:0 4px 10px #4453e838}.admin-ghost-btn,.link-btn,.admin-table td button{border:1px solid var(--admin-border);border-radius:12px;background:#fff;color:#425170;padding:7px 12px;font-size:14px;line-height:1.33;font-weight:600;transition:background .15s ease,border-color .15s ease,color .15s ease}.admin-ghost-btn:hover,.link-btn:hover,.admin-table td button:hover{background:#edf1ff;border-color:#d6ddff;color:var(--admin-blue)}.admin-category-tabs{display:flex;gap:8px;overflow:auto;padding-bottom:6px}.admin-chip{border:1px solid transparent;border-radius:9999px;background:var(--admin-badge-bg);color:var(--admin-badge-text);padding:4px 8px;white-space:nowrap;font-size:12px;line-height:1.33;font-weight:600;letter-spacing:.125px}.admin-chip.active{border-color:#d0d9ff;background:#dfe6ff}.admin-agent-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.admin-agent-card{text-align:left;border:1px solid var(--admin-border);border-radius:16px;background:var(--admin-panel);box-shadow:var(--admin-shadow-card);padding:14px;display:flex;flex-direction:column;gap:6px;transition:transform .12s ease,box-shadow .15s ease,border-color .15s ease}.admin-agent-card:hover{transform:translateY(-1px);border-color:#cfd8ff;box-shadow:0 10px 24px #374c801f}.admin-agent-card h3{margin:0;color:var(--admin-text);font-size:22px;line-height:1.27;letter-spacing:-.25px;font-weight:700}.admin-agent-card p{margin:0;color:var(--admin-text-muted);font-size:16px;line-height:1.5;font-weight:400}.admin-agent-card span{color:var(--admin-badge-text);font-size:12px;line-height:1.33;font-weight:600;letter-spacing:.125px}.admin-console-card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:14px}.admin-dashboard-charts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:4px}.admin-chart-box{border:1px solid var(--admin-border);border-radius:16px;background:var(--admin-panel);min-height:320px;box-shadow:var(--admin-shadow-card)}.admin-stat-card{border:1px solid var(--admin-border);border-radius:16px;background:var(--admin-panel);box-shadow:var(--admin-shadow-card);padding:14px}.admin-stat-card h3{margin:0;color:var(--admin-text-muted);font-size:14px;line-height:1.43;font-weight:500}.admin-stat-card p{margin:8px 0 0;color:var(--admin-text);font-size:26px;line-height:1.23;letter-spacing:-.625px;font-weight:700}.admin-table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.43;background:#fff;border-radius:12px;overflow:hidden}.admin-table th,.admin-table td{border-bottom:1px solid var(--admin-border);text-align:left;padding:10px 8px;vertical-align:top;color:var(--admin-text)}.admin-table th{color:#4e5cf1;background:#f2f5ff;font-weight:600}.admin-table-scroll{overflow-x:auto;border:1px solid var(--admin-border);border-radius:14px;background:#fff}.admin-table tbody tr:hover{background:#f5f8ff}.admin-usage-table th:nth-child(2),.admin-usage-table td:nth-child(2){min-width:136px}.admin-usage-table th:nth-child(3),.admin-usage-table td:nth-child(3),.admin-usage-table th:nth-child(4),.admin-usage-table td:nth-child(4){min-width:96px}.admin-usage-table th:nth-child(7),.admin-usage-table td:nth-child(7){min-width:220px}.admin-usage-table{table-layout:fixed}.usage-content-cell{display:flex;align-items:center;gap:8px}.usage-content-ellipsis{min-width:0;flex:1 1 auto;display:inline-block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.admin-pagination{margin-top:12px;display:flex;align-items:center;justify-content:flex-end;gap:8px}.admin-model-toolbar{display:flex;justify-content:flex-start}.admin-model-picker{border:1px solid var(--admin-border);border-radius:14px;background:#f8faff;padding:10px;display:grid;gap:8px}.admin-model-picker strong{font-size:14px;color:var(--admin-text)}.admin-model-check{display:flex;align-items:center;gap:8px;color:var(--admin-text);min-height:30px}.admin-model-table{width:100%;border-collapse:collapse;table-layout:fixed}.admin-model-picker .admin-model-table{display:block;max-height:260px;overflow:auto}.admin-model-picker .admin-model-table tbody{display:table;width:100%;table-layout:fixed}.admin-model-table td{border:1px solid var(--admin-border);padding:6px 8px;vertical-align:middle;background:#fff}.admin-page-meta,.admin-page-index{color:var(--admin-text-muted);font-size:12px;line-height:1.33;letter-spacing:.125px;font-weight:500}.admin-ghost-btn:disabled,.admin-primary-btn:disabled{opacity:.45;cursor:not-allowed}.admin-thread-detail{display:flex;flex-direction:column;gap:12px}.admin-thread-meta{border:1px solid var(--admin-border);border-radius:12px;background:var(--admin-bg-alt);padding:10px;display:grid;grid-template-columns:1fr 1fr;gap:6px 12px}.admin-thread-meta p{margin:0;color:var(--admin-text-muted);font-size:14px;line-height:1.43}.admin-thread-messages{max-height:56vh;overflow:auto;display:flex;flex-direction:column;gap:10px;padding-right:2px}.admin-thread-msg{border:1px solid var(--admin-border);border-radius:14px;background:#fff;padding:10px 12px;box-shadow:var(--admin-shadow-card)}.admin-thread-msg.user{border-color:#0075de40}.admin-thread-msg.assistant{background:var(--admin-bg-alt)}.admin-thread-msg header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.admin-thread-msg header span{color:var(--admin-badge-text);background:var(--admin-badge-bg);border-radius:9999px;padding:2px 8px;font-size:12px;line-height:1.33;letter-spacing:.125px;font-weight:600}.admin-thread-msg header time{color:var(--admin-text-light);font-size:12px;line-height:1.33}.admin-thread-msg p{margin:0;color:var(--admin-text);font-size:15px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:6;-webkit-box-orient:vertical;overflow:hidden}.admin-memory-box{border:1px dashed var(--admin-border);border-radius:14px;background:var(--admin-bg-alt);padding:10px}.admin-modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#19233f61;display:flex;align-items:center;justify-content:center;z-index:3000;padding:24px}.admin-modal{width:min(100%,900px);max-height:min(86vh,760px);display:flex;flex-direction:column;border-radius:16px;border:1px solid var(--admin-border);background:#fff;box-shadow:var(--admin-shadow-deep)}.admin-modal-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;background:#f5f7ff;border-bottom:1px solid var(--admin-border);flex-shrink:0}.admin-modal-head h3{margin:0;color:var(--admin-text);font-size:22px;line-height:1.27;letter-spacing:-.25px;font-weight:700}.admin-modal-body{padding:14px 16px;display:flex;flex-direction:column;gap:12px;overflow:auto;min-height:0}.field-error{margin-top:2px;font-size:12px;color:#d33b4a;line-height:1.4}.admin-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.admin-form-grid .span-2{grid-column:1 / -1}.admin-modal-actions{display:flex;justify-content:flex-end}.admin-modal-actions-split{justify-content:space-between;align-items:center}.danger-btn{border-color:#f0c6cc;color:#c43749;background:#fff7f8}.danger-btn:hover{border-color:#e7a8b1;color:#b62d3f;background:#fff0f2}.admin-multi-check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;max-height:180px;overflow:auto;border:1px solid var(--admin-border);border-radius:12px;padding:10px;background:#f9fbff}.admin-inline-check{display:inline-flex;align-items:center;gap:6px;padding:6px 8px;border:1px solid #d9e1f5;border-radius:10px;background:#fff;color:#33415f}.admin-inline-check input[type=checkbox]{width:14px;height:14px}@media (max-width: 1180px){.admin-console-shell{grid-template-columns:1fr}.admin-console-nav{flex-direction:row;flex-wrap:wrap;align-items:center;gap:8px}.admin-console-nav-bottom{width:100%;flex-direction:row}.admin-console-card.two-col{grid-template-columns:1fr}.admin-console-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-dashboard-charts{grid-template-columns:1fr}}@media (max-width: 1120px){.admin-agent-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 860px){.admin-toolbar-inline{flex-direction:column;align-items:stretch}.admin-toolbar-fields,.admin-toolbar-actions{width:100%;min-width:0}.admin-toolbar-inline input,.admin-toolbar-inline select,.admin-toolbar-inline button{width:100%;max-width:100%;flex:1 1 auto}.admin-agent-grid,.admin-form-grid{grid-template-columns:1fr}.admin-multi-check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-modal{width:min(100%,98vw);height:90vh;max-height:90vh}}.teacher-workspace,.teacher-monitor{padding:18px 20px;flex:1 1 auto;min-height:0;display:flex;flex-direction:column}.teacher-monitor.embedded{padding:0;width:100%;height:100%;min-height:0}.teacher-monitor-card{width:100%;height:100%;min-height:0;flex:1 1 auto;display:flex;flex-direction:column;border:1px solid #e5e7eb;border-radius:12px;background:#fff;padding:14px;box-shadow:0 4px 14px #0f172a0d}.teacher-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.teacher-header h2{margin:0;font-size:22px;color:#1f2937}.teacher-monitor-head-right{display:flex;align-items:center;gap:10px;color:#6b7280}.teacher-filter-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:14px}.teacher-filter-toolbar input,.teacher-filter-toolbar select{min-width:180px;padding:9px 10px;border:1px solid #d7dce6;border-radius:8px;background:#fff}.teacher-toolbar-fields{flex:1 1 auto}.teacher-toolbar-fields input:first-child{min-width:220px}.teacher-table-wrap{overflow:auto;margin-top:12px;flex:1 1 auto;min-height:0}.teacher-table{width:100%;border-collapse:collapse}.teacher-table th,.teacher-table td{border-bottom:1px solid #e5e7eb;padding:10px 8px;text-align:left;vertical-align:top}.teacher-table th{color:#374151;font-weight:700;background:#f8fafc}.teacher-table .ellipsis{max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pager{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:12px}.teacher-side-panels{display:grid;grid-template-columns:1fr 1fr;gap:12px}.teacher-card{border:1px solid #e5e7eb;border-radius:10px;padding:12px;background:#fff}.teacher-card-section{margin-top:8px}.thread-modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:center;justify-content:center;z-index:120}.thread-modal{width:min(820px,92vw);max-height:82vh;background:#fff;border-radius:12px;overflow:hidden;display:flex;flex-direction:column}.teacher-record-modal{width:min(1620px,98vw);height:min(88vh,920px);max-height:min(88vh,920px)}.teacher-record-modal .thread-modal-body.teacher-record-body{overflow:hidden;height:100%;min-height:0}.teacher-record-layout{display:grid;grid-template-columns:minmax(520px,.95fr) minmax(0,1.45fr);gap:14px;flex:1 1 auto;height:100%;min-height:0}.teacher-record-pane{border:1px solid #e5e7eb;border-radius:10px;background:#fcfcff;padding:10px;min-height:0;display:flex;flex-direction:column}.teacher-record-list-pane,.teacher-record-detail-pane{overflow:auto}.teacher-analysis-modal{width:min(1280px,96vw);height:min(88vh,920px);max-height:min(88vh,920px)}.thread-modal-header{display:flex;align-items:center;justify-content:space-between;padding:12px;border-bottom:1px solid #e5e7eb;flex-shrink:0}.thread-modal-body{padding:12px;overflow:auto;display:flex;flex-direction:column;gap:8px;flex:1 1 auto;min-height:0}.teacher-record-thread{border:1px solid #e5e7eb;border-radius:10px;padding:10px;background:#fcfcff}.teacher-record-table{width:100%;border-collapse:collapse;table-layout:fixed}.teacher-record-table thead th{position:sticky;top:0;background:#f8fafc;z-index:1}.teacher-record-table th,.teacher-record-table td{border-top:1px solid #eef2f8;padding:10px 8px;text-align:left;vertical-align:middle}.teacher-record-table th{color:#475569;font-size:13px;font-weight:700}.teacher-record-table th:nth-child(1),.teacher-record-table td:nth-child(1){width:42%}.teacher-record-table th:nth-child(2),.teacher-record-table td:nth-child(2){width:32%;white-space:nowrap}.teacher-record-table th:nth-child(3),.teacher-record-table td:nth-child(3){width:26%;text-align:right}.teacher-record-table td:nth-child(1){line-height:1.45;word-break:break-word}.teacher-record-table td .admin-ghost-btn{min-width:78px;min-height:34px;padding:6px 12px}.teacher-record-table tbody tr.active{background:#eef4ff}.teacher-record-table tbody tr:hover{background:#f7f9ff}.teacher-record-head{display:flex;justify-content:space-between;gap:8px;color:#4b5563;font-size:13px;margin-bottom:8px}.teacher-record-messages{display:flex;flex-direction:column;gap:8px;overflow:auto;min-height:0}.teacher-analysis-head-actions{display:flex;gap:8px;align-items:center}.teacher-analysis-meta{display:flex;flex-wrap:wrap;gap:10px;color:#6b7280;font-size:13px;margin-bottom:8px}.teacher-analysis-kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:8px}.teacher-analysis-kpi{border:1px solid #e1e7f5;border-radius:10px;background:#f8fbff;padding:8px 10px;display:flex;align-items:center;gap:8px}.teacher-analysis-kpi .icon{font-size:18px}.teacher-analysis-kpi strong{display:block;font-size:18px;line-height:1.1;color:#1f2a44}.teacher-analysis-kpi small{color:#667085}.teacher-analysis-section{border:1px solid #e5e7eb;border-radius:10px;padding:10px;background:#fff}.teacher-analysis-section h4{margin:0 0 6px;color:#1f2937}.teacher-analysis-summary{border-left:4px solid #2563eb;padding:8px 10px;background:#eef4ff;color:#1e3a8a}.teacher-row-actions{white-space:nowrap}.teacher-row-actions button+button{margin-left:8px}.thread-bubble{padding:10px;border-radius:10px;max-width:85%}.thread-bubble.user{align-self:flex-end;background:#eff6ff}.thread-bubble.assistant{align-self:flex-start;background:#f8fafc}.thread-bubble .content{white-space:pre-wrap;line-height:1.65}.thread-bubble .content.md-bubble{white-space:normal}.teacher-record-detail-pane .md-bubble p,.teacher-record-detail-pane .md-bubble ul,.teacher-record-detail-pane .md-bubble ol{margin:4px 0}.teacher-record-detail-pane .md-bubble li+li{margin-top:2px}.teacher-monitor-card{border:1px solid #dde2ef;border-radius:16px;background:#fff;box-shadow:0 10px 24px #364b8414}.teacher-header h2{color:#4e5cf1}.teacher-filter-toolbar input,.teacher-filter-toolbar select{height:40px;border-radius:22px;border-color:#d8ddec;background:#fff;padding:0 14px;color:#2f3950}.teacher-table-wrap{border:1px solid #dde2ef;border-radius:14px;background:#fff}.teacher-table th,.teacher-record-table thead th{background:#f2f5ff;color:#4e5cf1}.teacher-table th,.teacher-table td,.teacher-record-table th,.teacher-record-table td{border-color:#ebf0fb}.teacher-table tbody tr:hover,.teacher-record-table tbody tr:hover{background:#f3f6ff}.teacher-monitor .admin-primary-btn,.teacher-monitor .admin-ghost-btn{border-radius:22px;min-height:36px;padding:7px 16px;font-weight:600}.teacher-monitor .admin-primary-btn{background:#4e5cf1;border-color:#4e5cf1;color:#fff;box-shadow:none}.teacher-monitor .admin-primary-btn:hover{background:#4453e8;border-color:#4453e8;box-shadow:none}.teacher-monitor .admin-ghost-btn{background:#fff;border-color:#d8ddec;color:#425170}.teacher-monitor .admin-ghost-btn:hover{background:#eef2ff;border-color:#d6ddff;color:#4e5cf1}.thread-modal{border-radius:16px}.thread-modal-header{background:#f5f7fc;border-bottom-color:#dde2ef}.teacher-record-pane,.teacher-analysis-section,.teacher-analysis-kpi{border-color:#dfe6f7;border-radius:12px}.teacher-monitor .thread-modal-mask{background:#18244457;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.teacher-monitor .thread-modal{border:1px solid #d9e1f3;border-radius:18px;background:#fff;box-shadow:0 18px 44px #24366238;overflow:hidden;font-size:15px}.teacher-monitor .thread-modal-header{padding:14px 16px;background:linear-gradient(180deg,#f5f8ff,#f1f5ff);border-bottom:1px solid #e2e9f8}.teacher-monitor .thread-modal-header h3{margin:0;color:#334a80;font-size:22px;font-weight:700}.teacher-monitor .thread-modal-body{padding:14px;gap:10px;background:#f8faff;border-radius:0 0 18px 18px}.teacher-monitor .teacher-record-pane{border:1px solid #dce4f5;border-radius:14px;background:#fff;box-shadow:inset 0 1px #ffffffe6}.teacher-monitor .teacher-record-head{padding:2px 2px 6px;color:#5f6f90}.teacher-monitor .teacher-record-table{border:1px solid #e1e7f6;border-radius:12px;overflow:hidden;background:#fff}.teacher-monitor .teacher-record-table thead th{background:#eff3ff;color:#4a58c8}.teacher-monitor .teacher-record-table tbody tr.active{background:#eaf0ff}.teacher-monitor .teacher-record-table tbody tr:hover{background:#f5f8ff}.teacher-monitor .teacher-record-messages{border:1px solid #e0e7f7;border-radius:12px;background:#fff;padding:10px}.teacher-monitor .thread-bubble{border:1px solid #e3e9f8;border-radius:14px;padding:10px 12px;box-shadow:0 3px 10px #43568a0f}.teacher-monitor .thread-bubble.user{background:#ecf2ff;border-color:#d7e1ff}.teacher-monitor .thread-bubble.assistant{background:#f8fbff;border-color:#e3e9f8}.teacher-monitor .teacher-analysis-meta{background:#fff;border:1px solid #dfe6f7;border-radius:12px;padding:10px 12px;color:#5a6a89}.teacher-monitor .teacher-analysis-kpi{border:1px solid #d8e1f5;border-radius:14px;background:linear-gradient(180deg,#f7faff,#f1f6ff);box-shadow:0 4px 10px #42558814;padding:10px 12px}.teacher-monitor .teacher-analysis-section{border:1px solid #dce4f6;border-radius:14px;background:#fff;padding:12px;box-shadow:0 2px 8px #4054880f}.teacher-monitor .teacher-analysis-section h4{color:#334a80;margin-bottom:8px}.teacher-monitor .teacher-analysis-summary{border-left:4px solid #4e5cf1;border-radius:10px;background:#eaf0ff;color:#30477d;padding:10px 12px}.teacher-monitor .teacher-record-detail-pane,.teacher-monitor .teacher-record-messages,.teacher-monitor .teacher-analysis-meta,.teacher-monitor .teacher-analysis-kpi,.teacher-monitor .teacher-analysis-section{font-size:15px}.teacher-monitor .teacher-record-list-pane,.teacher-monitor .teacher-record-list-pane .teacher-record-table,.teacher-monitor .teacher-record-list-pane .teacher-record-head{font-size:13px}.teacher-monitor .teacher-record-list-pane,.teacher-monitor .teacher-record-detail-pane,.teacher-monitor .thread-modal-body{scrollbar-width:thin;scrollbar-color:#c8d4f2 #eef3ff}.teacher-monitor .teacher-record-list-pane::-webkit-scrollbar,.teacher-monitor .teacher-record-detail-pane::-webkit-scrollbar,.teacher-monitor .thread-modal-body::-webkit-scrollbar{width:8px;height:8px}.teacher-monitor .teacher-record-list-pane::-webkit-scrollbar-thumb,.teacher-monitor .teacher-record-detail-pane::-webkit-scrollbar-thumb,.teacher-monitor .thread-modal-body::-webkit-scrollbar-thumb{border-radius:999px;background:#c8d4f2}.teacher-workspace-tabs{padding:10px 0 2px}.teacher-resource-layout{display:grid;grid-template-columns:320px 1fr;gap:12px;min-height:0;flex:1 1 auto}.teacher-resource-folders,.teacher-resource-files{border:1px solid #dde2ef;border-radius:14px;background:#fff;padding:10px;min-height:0;display:flex;flex-direction:column}.teacher-resource-folder-list,.teacher-resource-file-table-wrap{overflow:auto;min-height:0;flex:1 1 auto}.teacher-resource-file-table-wrap{border:1px solid #dde5f4;border-radius:14px;background:#fff;padding:8px}.teacher-resource-create{display:grid;grid-template-columns:1fr auto;gap:8px;margin-bottom:10px}.teacher-resource-create input{border:1px solid #d8ddeb;border-radius:10px;padding:0 12px;min-width:0}.teacher-resource-folder{width:100%;border:1px solid #e5e7eb;border-radius:10px;background:#fff;padding:9px 10px;display:grid;gap:4px;text-align:left;margin-bottom:8px}.teacher-resource-folder.active{border-color:#cbd5ff;background:#f4f7ff}.teacher-resource-folder span{color:#6b7280;font-size:12px}.teacher-resource-file-toolbar{display:flex;justify-content:space-between;gap:10px;margin-bottom:10px;flex-wrap:wrap}.teacher-resource-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.teacher-share-chip{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;border:1px solid #d8ddeb;font-size:12px;color:#516083}.teacher-share-chip.on{color:#2b62d9;border-color:#c7d8ff;background:#edf3ff}.teacher-resource-actions{display:flex;gap:8px;align-items:center}.teacher-upload-label{position:relative;overflow:hidden}.teacher-upload-label input[type=file]{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.teacher-upload-supported{margin-top:0;margin-bottom:10px;padding:8px 12px;border:1px solid #dfe6f4;border-radius:12px;background:#f7faff;font-size:13px;font-weight:600;color:#4f5d84}.teacher-resource-home{display:flex;flex-direction:column;min-height:0;flex:1 1 auto;gap:10px}.teacher-resource-topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border:1px solid #dde5f4;border-radius:14px;background:#fff}.teacher-resource-topbar h3{margin:0;color:#334a80}.teacher-resource-home-head{display:grid;grid-template-columns:minmax(220px,360px) auto;gap:8px;margin-bottom:12px}.teacher-resource-home-head input{border:1px solid #d8ddeb;border-radius:10px;padding:0 12px;min-height:38px}.teacher-library-card{min-height:188px}.teacher-enter-btn{position:absolute;left:14px;bottom:12px}.teacher-card-edit{position:absolute;right:12px;top:10px;z-index:3}.teacher-card-download{position:absolute;right:76px;top:10px;z-index:3}.teacher-resource-detail{display:flex;flex-direction:column;gap:12px;min-height:0;flex:1 1 auto}.teacher-resource-detail-body{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;min-height:0;flex:1 1 auto}.teacher-resource-detail-body.preview-open{grid-template-columns:minmax(0,60%) minmax(0,40%)}.teacher-resource-detail-head{display:flex;align-items:center;gap:12px;justify-content:space-between;flex-wrap:wrap;padding:10px 12px;border:1px solid #dde5f4;border-radius:14px;background:#fff}.teacher-share-check{display:inline-flex;align-items:center;gap:8px}.teacher-dir-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.teacher-dir-chip{display:inline-flex;align-items:center;gap:4px}.teacher-resource-explorer{display:grid;grid-template-columns:240px 1fr;gap:12px;min-height:0;flex:1 1 auto}.teacher-resource-tree{border:1px solid #dde2ef;border-radius:12px;background:#fff;padding:8px;overflow:auto}.teacher-resource-tree-head{font-size:13px;color:#5a6a89;margin:2px 6px 8px}.teacher-tree-row{display:grid;grid-template-columns:1fr auto;gap:6px;align-items:center}.teacher-tree-item{width:100%;border:1px solid #e5e7eb;border-radius:9px;background:#fff;color:#2f3950;min-height:34px;text-align:left;padding:0 10px;margin-bottom:6px}.teacher-tree-item.active{border-color:#c8d4ff;background:#eef3ff;color:#3e4ad1}.teacher-tree-del{min-height:30px;padding:0 8px;border-radius:8px}.teacher-resource-content{border:1px solid #dde2ef;border-radius:12px;background:#fff;padding:10px;min-height:0;display:flex;flex-direction:column;gap:10px}.teacher-pathbar{display:flex;align-items:center;gap:8px;min-width:0;flex:1 1 auto;margin:0 8px}.teacher-path-seg{border:1px solid #d8ddeb;background:#f8f9fd;border-radius:8px;height:32px;padding:0 10px;color:#2f3950;max-width:320px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.teacher-path-sep{color:#7b8398}.teacher-path-node{display:inline-flex;align-items:center;gap:8px}.teacher-path-link{border:none;background:transparent;color:#2f3950;font-size:13px;cursor:pointer;padding:0}.teacher-path-link:hover{color:#2b62d9}.teacher-path-current{color:#2f3950;font-weight:600}.teacher-explorer-table .teacher-entry-name{display:inline-flex;align-items:center;gap:8px}.teacher-explorer-table tr.teacher-explorer-dir-row{cursor:pointer;-webkit-user-select:none;user-select:none}.teacher-explorer-table tr.teacher-explorer-dir-row:hover{background:#f7faff}.teacher-explorer-table tr.teacher-preview-active-row{background:#eef4ff}.teacher-entry-icon{width:16px;height:14px;display:inline-block;border-radius:2px}.teacher-entry-icon.folder{background:linear-gradient(180deg,#f8d56a,#eab940);border:1px solid #e2ac2b}.teacher-entry-icon.file{background:#fff;border:1px solid #cdd6ea}.teacher-resource-preview-pane{border:1px solid #dde2ef;border-radius:12px;background:#fff;padding:10px;min-height:0;height:100%;overflow:hidden;display:flex;flex-direction:column;gap:8px}.teacher-resource-preview-head{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#5a6a89;font-weight:600}.teacher-resource-preview-content{display:flex;flex-direction:column;flex:1 1 auto;min-height:0}.teacher-resource-preview-name{font-size:13px;color:#2f3950;margin-bottom:8px;word-break:break-all}.teacher-resource-preview-image{width:100%;height:100%;min-height:0;object-fit:contain;border:1px solid #e6ebf7;border-radius:8px;background:#f8fbff}.teacher-resource-preview-pdf{width:100%;height:100%;min-height:0;border:1px solid #e6ebf7;border-radius:8px}.teacher-resource-preview-text{margin:0;white-space:pre-wrap;word-break:break-word;line-height:1.6;background:#f8fbff;border:1px solid #e6ebf7;border-radius:8px;padding:10px;height:100%;min-height:0;overflow:auto}.teacher-edit-mask{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.teacher-edit-modal{width:min(520px,92vw);border-radius:16px;border:1px solid #dce4f6;box-shadow:0 18px 44px #24366238}.teacher-edit-head{background:linear-gradient(180deg,#f5f8ff,#f1f5ff)}.teacher-edit-body{gap:12px}.teacher-edit-label{font-size:13px;color:#5a6a89}.teacher-edit-body input[type=text],.teacher-edit-body input:not([type]),.teacher-edit-body input[type=checkbox]{font:inherit}.teacher-edit-body input:not([type=checkbox]){border:1px solid #d8ddeb;border-radius:10px;min-height:38px;padding:0 12px}.teacher-edit-actions{display:flex;justify-content:flex-end;gap:8px}@media (max-width: 980px){.teacher-resource-explorer,.teacher-resource-detail-body{grid-template-columns:1fr}}.teacher-new-file-box{border:1px solid #dde2ef;border-radius:12px;padding:10px;background:#fff;display:grid;gap:8px}.teacher-new-file-box input,.teacher-new-file-box textarea{border:1px solid #d8ddeb;border-radius:10px;padding:8px 10px;font:inherit}.teacher-new-file-box textarea{min-height:92px;resize:vertical}@media (max-width: 960px){.teacher-filter-toolbar{flex-direction:column;align-items:stretch}.teacher-toolbar-fields,.teacher-toolbar-fields input,.teacher-toolbar-fields select{width:100%;min-width:0}.teacher-filter-toolbar .admin-toolbar-actions{width:100%;margin-left:0}.teacher-filter-toolbar .admin-toolbar-actions .admin-primary-btn{width:100%}.teacher-side-panels{grid-template-columns:1fr}.teacher-header{flex-direction:column;align-items:flex-start}.teacher-record-layout{grid-template-columns:1fr}.teacher-analysis-kpis{grid-template-columns:repeat(2,minmax(0,1fr))}.teacher-resource-layout{grid-template-columns:1fr}}.my-agent-panel{margin:12px 0 18px;padding:14px;border:1px solid #e5e7eb;border-radius:12px;background:#fff}.my-agent-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.my-agent-form{display:grid;gap:8px;margin-bottom:10px}.my-agent-form input,.my-agent-form select,.my-agent-form textarea{width:100%;padding:8px 10px;border:1px solid #d1d5db;border-radius:8px}.my-agent-form button{width:fit-content;padding:8px 12px}.my-agent-list{display:grid;gap:8px;margin:10px 0 16px;padding:0 24px}.my-agent-item{display:flex;align-items:center;justify-content:space-between;border:1px solid #e5e7eb;border-radius:10px;padding:8px 10px}.my-agent-item strong{display:block}.my-agent-item span{color:#6b7280;font-size:12px}.my-agent-actions{display:flex;gap:8px}.agent-page-head{display:flex;align-items:center;justify-content:flex-start;margin:12px 0 8px;padding:0 24px}.agent-page-head h3{margin:0}.agent-filter-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;padding:26px 24px 8px}.agent-filter-row .category-tabs{margin-bottom:0;flex:1 1 auto;padding:0}.agent-filter-row .admin-primary-btn{white-space:nowrap;flex:0 0 auto}.create-agent-btn{border:none;background:#5864f4;color:#fff;font-weight:600;margin-right:10px}.create-agent-btn:hover{background:#4652e8}.my-agent-empty{margin-left:20px;margin-top:6px}.my-agent-menu-wrap{position:absolute;top:10px;right:10px;width:28px;height:28px;z-index:2}.my-agent-menu-trigger{width:28px;height:28px;border:1px solid #d6dcf6;border-radius:8px;background:#f2f5ff;color:#4b58d9;font-size:18px;line-height:1;cursor:pointer}.my-agent-menu-panel{position:absolute;top:34px;right:0;min-width:120px;border:1px solid #dde3f8;border-radius:10px;background:#fff;box-shadow:0 10px 24px #2d3e781f;padding:6px;display:grid;gap:4px}.my-agent-menu-panel button{border:none;border-radius:7px;background:#f4f6ff;color:#4450c9;text-align:left;padding:7px 8px;font-size:13px;cursor:pointer}.my-agent-menu-panel button:hover{background:#e8edff}.my-agent-menu-panel button.danger{color:#c73333;background:#fff2f2}.my-agent-menu-panel button.danger:hover{background:#ffe5e5}.my-agent-save-btn{border:1px solid transparent;border-radius:8px;background:linear-gradient(180deg,#1280e4,#0075de);color:#fff}.my-agent-save-btn:hover{background:#005bab}.my-agent-save-error{margin-top:10px}.my-agent-share-row{display:flex;align-items:center;gap:8px;color:#334155;font-size:14px}@media (max-width: 980px){.agent-filter-row{flex-direction:column;align-items:stretch}.agent-filter-row .admin-primary-btn{align-self:flex-end}}.teacher-header.compact{border-bottom:1px solid #e5e7eb;padding-bottom:8px}.chat-upload-wrap{display:inline-flex;align-items:center}.chat-upload-btn{width:30px;min-width:30px;height:30px;min-height:30px;padding:0;border-radius:8px;font-size:32px;font-weight:300;line-height:24px;display:inline-flex;align-items:center;justify-content:center}.chat-image-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.chat-image-list.composer{margin-top:2px;margin-bottom:4px}.chat-image-chip{position:relative;display:inline-flex}.chat-image-thumb{width:92px;height:92px;border-radius:8px;border:1px solid #d5dbef;object-fit:cover;background:#f5f7ff}.chat-image-list.tiny .chat-image-thumb{width:34px;height:34px;border-radius:6px}.chat-image-list.tiny .chat-image-remove{top:-6px;right:-6px;width:14px;height:14px;font-size:9px;line-height:14px}.chat-image-remove{position:absolute;top:-7px;right:-7px;width:18px;height:18px;border:none;border-radius:50%;background:#ef4444;color:#fff;font-size:11px;line-height:18px;text-align:center;cursor:pointer}
