:root{--bg:#fafaf8;--surface:#fff;--ink:#222824;--muted:#69706c;--line:#e2e5df;--blue:#2459c4;--soft:#edf2fc;--green:#286043;--greenbg:#eaf3ed;--orange:#855115;--orangebg:#faf0dc;--side:#f0f1ec}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #739aee;outline-offset:3px}a{color:var(--blue)}button{border:0}svg.icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.app{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100vh}.sidebar{background:var(--side);border-right:1px solid var(--line);padding:28px 20px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:700;letter-spacing:-.8px}.brandmark{height:34px;width:34px;background:var(--ink);color:#fff;display:grid;place-items:center;font:700 18px Consolas,monospace;border-radius:5px}.workspace{margin:32px 0 28px;padding:12px;border:1px solid #d6dad3;border-radius:6px;display:flex;gap:10px;align-items:center;font-size:14px}.workspace strong{display:block;font-size:14px}.muted{color:var(--muted)}.mono{font-family:Consolas,Liberation Mono,monospace}.tiny{font-size:14px}.navlabel{font:14px/1.5 Consolas,monospace;letter-spacing:1.5px;color:var(--muted);margin:0 12px 12px}.nav{display:grid;gap:6px}.nav button{display:flex;gap:12px;align-items:center;background:none;text-align:left;color:var(--muted);padding:11px 12px;border-radius:5px;min-height:46px;font-size:15px}.nav button.active{background:#fff;color:var(--ink);font-weight:600;box-shadow:0 1px 2px #20272008}.nav button.active:after{content:"";width:5px;height:5px;background:var(--blue);margin-left:auto;border-radius:50%}.nav button:hover{background:#fff9}.sidebottom{margin-top:auto;padding-top:32px}.sidehint{border-top:1px solid #d7dcd3;padding:20px 0;color:var(--muted);font-size:14px}.account{display:flex;align-items:center;gap:10px}.avatar{width:38px;height:38px;border:1px solid var(--line);display:grid;place-items:center;border-radius:50%;background:#e5e9df;font-size:14px;font-weight:600;flex-shrink:0}.account strong{display:block;font-size:14px}.main{min-width:0}.topbar{height:76px;border-bottom:1px solid var(--line);padding:0 40px;display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--bg)}.crumb{display:flex;gap:12px;align-items:center;font-size:14px}.slash{color:#a9afa7}.demo{font:14px Consolas,monospace;letter-spacing:.7px;border:1px solid var(--line);padding:5px 8px;border-radius:4px;white-space:nowrap;color:var(--muted)}.page{max-width:1250px;margin:auto;padding:40px}.eyebrow{text-transform:uppercase;letter-spacing:1.5px;font:14px/1.5 Consolas,monospace;color:var(--muted);margin:0 0 12px}.heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}h1{font-size:36px;line-height:1.16;letter-spacing:-1.35px;font-weight:600;margin:0 0 10px}h2{font-size:22px;line-height:1.3;letter-spacing:-.5px;margin:0 0 8px;font-weight:600}h3{font-size:17px;margin:0 0 6px;font-weight:600}p{margin:0 0 16px}.heading p{margin:0;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:var(--surface);color:var(--ink);border:1px solid #d5dbd2;padding:10px 16px;min-height:44px;border-radius:5px;font-size:14px;font-weight:600;text-decoration:none;white-space:nowrap}.btn:hover{background:#f0f2ed}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn.primary:hover{background:#194aa9}.btn.dark{background:var(--ink);border-color:var(--ink);color:#fff}.btn.text{border-color:transparent;background:none;color:var(--blue);padding:8px 0}.btn.danger{color:#a03c32}.panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;overflow:hidden}.panelpad{padding:24px}.sectionline{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}.sectionline h2{margin:0;font-size:20px}.tag{display:inline-flex;align-items:center;gap:6px;padding:3px 8px;border-radius:4px;background:#f0f2ed;color:#505a50;font-size:14px;font-weight:600;white-space:nowrap}.tag.green{background:var(--greenbg);color:var(--green)}.tag.blue{background:var(--soft);color:var(--blue)}.tag.orange{background:var(--orangebg);color:var(--orange)}.dot{width:6px;height:6px;border-radius:50%;background:currentColor}.hero{display:grid;grid-template-columns:minmax(0,1fr) 220px;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;margin-bottom:32px}.herotext{padding:28px 32px}.hero h2{font-size:27px;letter-spacing:-.7px;max-width:540px;margin:14px 0}.hero .metadata{margin-bottom:22px}.metadata{display:flex;flex-wrap:wrap;gap:16px;font-size:14px;color:var(--muted)}.metadata span{display:inline-flex;align-items:center;gap:7px}.heroside{background:#e8ede2;border-left:1px solid #dce2d6;display:flex;flex-direction:column;justify-content:center;padding:28px}.heroside .day{font-size:76px;line-height:1;letter-spacing:-5px;font-weight:500;margin:14px 0}.heroside .month{font:14px Consolas,monospace;letter-spacing:1.4px}.twocol{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(260px,1fr);gap:32px}.row{display:flex;align-items:center;gap:16px;padding:20px 0;border-top:1px solid var(--line)}.row:first-child{border-top:0}.rowbody{flex:1;min-width:0}.row p{font-size:14px;color:var(--muted);margin:4px 0 0}.row h3{margin:0}.fileicon{width:44px;height:48px;background:#f0f2ed;border:1px solid var(--line);border-radius:5px;display:grid;place-items:center;color:#576451;flex-shrink:0}.row .btn{width:44px;padding:10px}.listbox{padding:0 20px}.codepreview{background:#242c28;color:#e9eee7;padding:22px;font:14px/1.9 Consolas,monospace;border-radius:5px;margin:16px 0}.codepreview .comment{color:#a4b19d}.codepreview .keyword{color:#a9c6ff}.codepreview .string{color:#d9d9ac}.codehead{display:flex;justify-content:space-between;font:14px Consolas,monospace;color:var(--muted)}.progress{height:4px;background:#e5e9e2;border-radius:2px;margin:20px 0 10px}.progress span{display:block;height:100%;background:#647b53}.summaryline{display:flex;justify-content:space-between;font-size:14px;color:var(--muted)}.notice{display:flex;gap:12px;padding:16px;background:#f0f3ed;border:1px solid var(--line);border-radius:6px;font-size:14px;color:#57624f;margin-top:24px}.notice p{margin:0}.footer{margin-top:32px;border-top:1px solid var(--line);padding-top:16px;display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--muted)}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.search{position:relative;max-width:360px;flex:1}.search svg{position:absolute;left:14px;top:13px;color:var(--muted)}input,select,textarea{border:1px solid #d5dcd1;background:var(--surface);color:var(--ink);border-radius:5px;padding:11px 12px;width:100%;min-height:46px;outline-offset:2px}.search input{padding-left:43px;font-size:14px}input::placeholder,textarea::placeholder{color:#7a8178}textarea{resize:vertical;min-height:120px}label{display:block;font-size:14px;font-weight:600;margin:0 0 8px}.field{margin-bottom:20px}.field small{display:block;margin-top:6px;color:var(--muted);font-size:14px}.fieldgrid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:24px;overflow-x:auto}.tabs button{padding:12px 16px;background:none;color:var(--muted);font-size:14px;border-bottom:2px solid transparent;white-space:nowrap;min-height:44px}.tabs button.active{border-color:var(--ink);color:var(--ink);font-weight:600}.tablewrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px;text-align:left}th{background:#f6f7f3;padding:12px 20px;font-weight:500;color:var(--muted);font-size:14px;white-space:nowrap}td{padding:16px 20px;border-top:1px solid var(--line)}td strong{font-weight:600}td small{display:block;color:var(--muted);margin-top:3px}table .btn{padding:8px 12px;font-size:14px}.statstrip{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line);padding:24px 0;margin-bottom:28px}.stat{padding:0 24px;border-left:1px solid var(--line)}.stat:first-child{padding-left:0;border:0}.stat strong{font-size:30px;letter-spacing:-1px;display:block;font-weight:500}.stat span{font-size:14px;color:var(--muted)}.sessionlayout{display:grid;grid-template-columns:minmax(300px,1fr) minmax(300px,1.12fr);gap:28px}.qrpanel{text-align:center;padding:28px}.qrframe{background:#fff;max-width:264px;aspect-ratio:1;margin:24px auto 16px;padding:12px;border:1px solid var(--line);border-radius:8px;display:grid;place-items:center}.qrframe svg{width:100%;height:100%}.qrframe.off{background:#f0f1ed;color:#777}.countdown{display:flex;justify-content:space-between;font-size:14px;margin-bottom:10px}.timerbar{height:3px;background:#e3e7df;margin-bottom:24px}.timerbar span{display:block;background:var(--blue);height:100%;width:100%}.buttonrow{display:flex;gap:12px;flex-wrap:wrap}.buttonrow .btn{flex:1}.attendlist .row{padding:14px 0}.attendlist .avatar{width:32px;height:32px;font-size:14px}.attendlist .row p{font-size:14px}.empty{padding:48px 24px;text-align:center;color:var(--muted)}.profilecard{max-width:720px}.profilehead{display:flex;gap:20px;align-items:center;padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:24px}.profilehead .avatar{height:64px;width:64px;font-size:22px}.profilehead p{margin:4px 0 0;font-size:14px}.readonly{background:#f5f6f2;color:var(--muted)}.lesson{max-width:820px}.lesson h2{margin-top:28px}.lesson p{line-height:1.8}.lesson pre{overflow:auto}.lesson .codepreview{font-size:15px;padding:24px}.back{margin-bottom:20px}.scanlayout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px}.scanner{background:#252d29;min-height:350px;display:flex;align-items:center;justify-content:center;position:relative;border-radius:6px;overflow:hidden;color:#d1dacd}.scanbox{width:196px;height:196px;border:1px solid #c2d1bc;position:relative;display:grid;place-items:center}.scanbox:after{content:"";position:absolute;left:16px;right:16px;top:50%;border-top:1px solid #98bd87}.scanner video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.scanhint{padding:16px 0;color:var(--muted);font-size:14px}.steps{counter-reset:step}.step{display:flex;gap:14px;margin-bottom:24px;font-size:14px}.step:before{counter-increment:step;content:counter(step,decimal-leading-zero);font:14px Consolas,monospace;color:var(--muted);padding-top:3px}.step strong{display:block;margin-bottom:4px}.step p{margin:0;color:var(--muted)}.successbox{padding:48px 24px;text-align:center;background:#f0f5ee;border:1px solid #d7e2d0;border-radius:8px}.successicon{height:56px;width:56px;display:grid;place-items:center;border-radius:50%;background:#dcebd6;color:var(--green);margin:0 auto 20px}.successbox h2{margin-bottom:12px}.successbox p{color:var(--muted)}dialog{border:1px solid var(--line);border-radius:10px;padding:0;width:min(560px,calc(100% - 32px));max-height:88vh;box-shadow:0 24px 80px #17251b30;background:var(--surface);color:var(--ink)}dialog::backdrop{background:#18271b66;backdrop-filter:blur(2px)}.modalhead{padding:24px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.modalhead h2{margin:0}.modalbody{padding:24px}.close{width:44px;height:44px;background:none;display:grid;place-items:center;color:var(--muted)}.modalfoot{display:flex;justify-content:flex-end;gap:12px;margin-top:24px}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,15px);background:#26342b;color:#fff;padding:14px 20px;border-radius:6px;max-width:calc(100% - 32px);font-size:14px;z-index:20;opacity:0;pointer-events:none;transition:.15s}.toast.show{opacity:1;transform:translate(-50%)}.menuback,.mobilemenu{display:none}.adminbody{background:#f5f6f1}.adminhead{height:84px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 48px}.adminmain{max-width:1030px;margin:0 auto;padding:64px 32px}.adminmain h1{font-size:42px}.adminintro{max-width:600px;margin-bottom:40px}.adminintro p{color:var(--muted)}.adminlayout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}.adminform{padding:32px}.adminform .btn{width:100%;margin-top:8px}.adminnote{border-top:2px solid var(--ink);padding-top:20px}.adminnote p{font-size:14px;color:var(--muted)}.adminnote h3{margin-bottom:12px}.emailentry{display:flex;align-items:center;gap:12px;padding:16px 0;border-top:1px solid var(--line);font-size:14px;overflow-wrap:anywhere}.emailentry .email{flex:1;min-width:0}.emailentry .icon{color:var(--green)}.adminlist{margin-top:32px}.error{color:#a3382d;font-size:14px;min-height:21px;margin-top:8px}.view{display:none}.view.active{display:block}[hidden]{display:none!important}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:1100px){.app{grid-template-columns:206px 1fr}.page{padding:32px 24px}.topbar{padding:0 24px}.sidebar{padding:24px 16px}.twocol{gap:20px;grid-template-columns:minmax(0,1.3fr) minmax(240px,1fr)}.hero{grid-template-columns:1fr 170px}.herotext{padding:24px}.sessionlayout{gap:20px;grid-template-columns:minmax(250px,1fr) minmax(250px,1fr)}}@media(max-width:800px){.app{display:block}.sidebar{position:fixed;z-index:12;left:0;top:0;width:256px;transform:translate(-100%);transition:transform .15s;box-shadow:10px 0 40px #17251b15}.sidebar.open{transform:translate(0)}.menuback{display:none;position:fixed;inset:0;background:#18271b66;z-index:11}.menuback.show{display:block}.mobilemenu{display:grid;place-items:center;width:44px;height:44px;background:transparent;color:var(--ink)}.topbar{height:64px;padding:0 16px}.crumb{gap:8px}.page{padding:28px 20px}.heading{align-items:flex-start;gap:20px}.heading h1{font-size:30px}.heading .btn{font-size:14px;padding:10px 12px}.twocol,.scanlayout{grid-template-columns:1fr}.sessionlayout{grid-template-columns:1fr 1fr}.scanlayout{gap:24px}.adminhead{padding:0 24px;height:72px}.adminmain{padding:40px 24px}.adminlayout{grid-template-columns:minmax(0,1fr) 240px;gap:24px}}@media(max-width:600px){.heading{flex-direction:column;margin-bottom:24px}.heading h1{font-size:32px}.heading p{font-size:14px}.hero{grid-template-columns:1fr}.heroside{display:none}.hero h2{font-size:25px}.herotext{padding:24px}.hero .btn{width:100%}.metadata{gap:10px;font-size:14px}.twocol{gap:28px}.sectionline h2{font-size:19px}.sectionline .btn{font-size:14px}.sessionlayout{grid-template-columns:1fr}.toolbar{flex-wrap:wrap}.search{max-width:none;flex-basis:100%}.fieldgrid{grid-template-columns:1fr;gap:0}.footer{font-size:14px;flex-direction:column}.statstrip{padding:8px 0 24px}.stat{padding:0 16px}.stat strong{font-size:26px}.stat span{font-size:14px}.panelpad{padding:20px}.adminhead{padding:0 20px}.adminhead .tiny{display:none}.adminmain{padding:32px 20px}.adminmain h1{font-size:34px}.adminintro{margin-bottom:28px}.adminlayout{grid-template-columns:1fr}.adminform{padding:24px}.adminnote{margin-top:4px}.adminhead .brand{font-size:19px}.adminintro p{font-size:15px}.tablewrap table{min-width:530px}.crumb .desktopcrumb{display:none}.scanner{min-height:290px}.profilehead{gap:14px}.modalhead,.modalbody{padding:20px}.btn{min-height:46px}.row h3{font-size:15px}.row{gap:12px}.row p{font-size:14px}.fileicon{width:38px;height:44px}.listbox{padding:0 16px}.tag,.demo{font-size:14px}.adminlist .tag{display:none}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}.authlayout{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:1fr 440px;gap:80px;padding:80px 32px;align-items:center}.authlayout h1{font-size:44px;line-height:1.12}.authlinks{display:flex;justify-content:space-between;gap:20px;margin:16px 0}.full{width:100%}.spaced{margin-top:20px}.loadmore{margin-top:24px}.editorform{max-width:850px}.attachments{margin-top:32px}.row .btn{width:auto;flex-shrink:0}.rowbody,.sidehint,.profilehead{overflow-wrap:anywhere}.qrframe img{max-width:100%;height:auto}.live-scanner{min-height:280px;background:#e9ede6;border-radius:6px;overflow:hidden}.live-scanner video{max-width:100%}.prose{max-width:900px;overflow-wrap:anywhere}.prose pre{background:#242c28;color:#e9eee7;padding:20px;overflow:auto;border-radius:5px}.prose code{font-family:Consolas,monospace}.prose h1{font-size:28px}.prose h2{margin-top:24px}.prose p{line-height:1.8}.prose a{overflow-wrap:anywhere}dialog .btn{min-height:44px}.error:empty{min-height:0}.nav button:focus-visible{outline-offset:0}.meeting-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.meeting-summary>div{display:grid;gap:8px;border-left:1px solid var(--line);padding-left:24px}.meeting-summary>div:first-child{border-left:0;padding-left:0}.material-picker{border:1px solid var(--line);border-radius:8px;padding:20px;margin:24px 0}.material-picker legend{font-weight:600;padding:0 8px}.checkrow{display:flex;align-items:flex-start;gap:12px;padding:14px 0;border-top:1px solid var(--line);margin:0;font-weight:400}.checkrow:first-of-type{margin-top:12px}.checkrow input{width:20px;height:20px;min-height:0;margin:2px 0 0;flex-shrink:0}.checkrow span{display:grid;gap:2px}.checkrow small{color:var(--muted)}.drive-embed{margin-top:24px;overflow:hidden}.drive-embed iframe{display:block;width:100%;aspect-ratio:16/9;border:0;background:var(--side)}.drive-fallback{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;border-top:1px solid var(--line)}@media(max-width:800px){.authlayout{grid-template-columns:1fr;gap:32px;padding:36px 24px;max-width:580px}.authlayout h1{font-size:34px}.authlayout .codepreview{display:none}}@media(max-width:600px){.meeting-summary{grid-template-columns:1fr}.meeting-summary>div{border-left:0;border-top:1px solid var(--line);padding:16px 0 0}.meeting-summary>div:first-child{border-top:0;padding-top:0}.drive-fallback{align-items:flex-start;flex-direction:column}.drive-fallback .btn{width:100%}.row{flex-wrap:wrap}.rowbody{flex-basis:150px}.sessionlayout{display:block}.sessionlayout>section+section{margin-top:28px}.adminhead .buttonrow .btn{padding:8px}.sectionline{flex-wrap:wrap}.authlinks{gap:12px}.prose{padding:20px}.profilehead{align-items:flex-start}}