@charset "UTF-8";
:root{color-scheme:light;--bg:#f6f5f8;--panel:#fff;--ink:#25212b;--muted:#6f6879;--line:#e6e1eb;--accent:#684275;--soft:#eee7f3;--good:#16704e;--bad:#b13040;--shadow:0 8px 36px #34213f08}
:root[data-theme=dark]{color-scheme:dark;--bg:#15131b;--panel:#201d28;--ink:#f2eef5;--muted:#b6adbf;--line:#3c3447;--accent:#cba5e0;--soft:#362640;--good:#79dcb0;--bad:#ff9ba6;--shadow:0 8px 36px #0002}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#15131b;--panel:#201d28;--ink:#f2eef5;--muted:#b6adbf;--line:#3c3447;--accent:#cba5e0;--soft:#362640;--good:#79dcb0;--bad:#ff9ba6;--shadow:0 8px 36px #0002}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.7 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:8px 17px;border:1px solid var(--line);border-radius:9px;background:var(--panel);color:var(--ink);cursor:pointer;text-decoration:none;white-space:nowrap}button:hover,.button:hover{border-color:var(--accent);text-decoration:none}button:disabled{opacity:.5;cursor:not-allowed}button.primary,.button.primary{background:#684275;border-color:#684275;color:white}button.quiet{border-color:transparent;background:transparent;padding:5px 9px}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:3px}input{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);min-width:0}input:disabled{opacity:.65}label{display:block;font-weight:600;margin:17px 0}label input{display:block;margin-top:7px;font-weight:400}[hidden]{display:none!important}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(30px,4vw,42px);line-height:1.3;letter-spacing:-1px;margin-bottom:12px}h2{font-size:21px;line-height:1.4;margin-bottom:16px}h3{font-size:16px}p{margin-bottom:16px}.muted,.small{color:var(--muted)}.small{font-size:13px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:var(--accent);margin-bottom:12px}.site-header{height:78px;max-width:1400px;margin:auto;padding:0 44px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{font-weight:800;font-size:27px;letter-spacing:1px;color:var(--ink)}.brand span{font-size:12px;letter-spacing:0;font-weight:500;margin-left:14px;color:var(--muted)}nav{display:flex;align-items:center;gap:25px;font-size:14px}main{max-width:1220px;margin:0 auto;padding:44px 32px 0}.page-heading{margin-bottom:30px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow)}.welcome-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:26px}.welcome-copy{padding:38px}.welcome-copy h2{font-size:27px;max-width:370px;margin:18px 0}.tag{display:inline-block;color:var(--accent);background:var(--soft);padding:4px 11px;border-radius:6px;font-size:12px;font-weight:600}.tag.open{color:var(--good)}.tag.ended,.tag.closed{color:var(--muted)}.steps{list-style:none;padding:0;counter-reset:steps;margin:25px 0}.steps li{position:relative;padding:0 0 20px 43px;counter-increment:steps}.steps li:before{content:counter(steps);position:absolute;left:0;top:3px;display:grid;place-items:center;width:28px;height:28px;background:var(--soft);border-radius:50%;color:var(--accent);font-size:12px;font-weight:700}.steps b,.steps span{display:block}.steps span{font-size:13px;color:var(--muted)}.message{margin:12px 0 0;font-size:14px;overflow-wrap:anywhere}.message:empty{display:none}.error{color:var(--bad)}.success{color:var(--good)}.notice{padding:13px 17px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--bad)}.section-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px}.section-bar h2,.section-bar p{margin-bottom:0}.section-bar .eyebrow{margin-bottom:7px}.section-bar>div{min-width:0}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.actions.end{justify-content:flex-end}.dashboard-grid{display:grid;grid-template-columns:285px minmax(0,1fr);gap:22px}.session-list{padding:20px;align-self:start}.session-item{width:100%;text-align:left;display:block;white-space:normal;padding:15px 13px;margin:9px 0}.session-item.active{border-color:var(--accent);background:var(--soft)}.session-item strong,.session-item span{display:block}.session-item span{font-size:12px;color:var(--muted);margin-top:5px}.placeholder{padding:70px 0;text-align:center}.large-icon{display:block;color:var(--accent);font-size:54px;margin-bottom:15px}.detail-heading{display:flex;gap:15px;align-items:flex-start;justify-content:space-between}.detail-heading h2{overflow-wrap:anywhere;margin:8px 0}.detail-meta{color:var(--muted);font-size:13px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}.stat{border:1px solid var(--line);border-radius:10px;padding:14px}.stat b{display:block;font-size:27px;line-height:1.3;color:var(--accent)}.stat span{font-size:12px;color:var(--muted)}.share-row{display:grid;grid-template-columns:160px minmax(0,1fr);gap:24px;padding:20px;background:var(--bg);border-radius:11px;align-items:center}.qr-image{display:block;width:160px;height:160px;background:white;border-radius:6px}.share-row h3{margin-bottom:8px}.share-row .actions{gap:8px}.share-row .actions>*{font-size:13px;padding:7px 10px}.table-wrap{overflow:auto;max-height:440px;border:1px solid var(--line);border-radius:9px;margin-top:12px}table{border-collapse:collapse;width:100%;font-size:13px;white-space:nowrap}th,td{text-align:left;border-bottom:1px solid var(--line);padding:11px 12px}thead th{position:sticky;top:0;background:var(--bg);color:var(--muted);font-weight:500}tbody tr:last-child td{border-bottom:0}.records-heading{margin-top:28px;margin-bottom:0}.records-heading p{font-size:12px;color:var(--muted)}.student-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:960px;margin:auto}.student-summary h2{font-size:27px;margin:18px 0}.student-summary dl{margin:26px 0}dl>div{margin:0 0 18px}dt{font-size:12px;color:var(--muted);margin-bottom:5px}dd{margin:0;overflow-wrap:anywhere}.location-box{padding:15px;background:var(--bg);border:1px solid var(--line);border-radius:9px;margin:20px 0}.location-box p{margin:10px 0 0}.location-box.section-bar p{margin-top:4px}.student-layout .primary{width:100%}.receipt{grid-column:2;grid-row:1;background:var(--panel)}.success-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:var(--soft);color:var(--good);font-size:28px;margin:8px 0 20px}.receipt dd{font-variant-numeric:tabular-nums}.page-footer{margin:45px 0 0;padding:25px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;font-size:12px;color:var(--muted)}dialog{width:min(650px,calc(100% - 26px));max-height:90vh;overflow:auto;border:1px solid var(--line);border-radius:16px;padding:28px;background:var(--panel);color:var(--ink);box-shadow:0 24px 90px #0004}dialog::backdrop{background:#100d1970;backdrop-filter:blur(3px)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.form-grid label{margin:8px 0}.form-grid input{font-size:14px}dialog .location-box{margin-bottom:0}dialog .actions{margin-top:20px}
.qr-stage{display:flex;flex-direction:column;gap:18px;padding:22px;margin-top:22px}.qr-stage .qr-toolbar{width:100%;text-align:center}.qr-stage h3{font-size:21px;margin-bottom:5px}.qr-stage .qr-toolbar p{margin-bottom:13px}.qr-stage .actions{justify-content:center;gap:8px}.qr-stage .qr-image{width:100%;height:auto;max-width:760px;aspect-ratio:1;border-radius:6px;image-rendering:pixelated}.qr-display{width:100vw;max-width:none;height:100dvh;max-height:none;margin:0;padding:20px 28px;border:0;border-radius:0;background:var(--panel);overflow:hidden}.qr-display[open]{display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:12px}.qr-display:fullscreen{width:100vw;height:100dvh}.qr-display-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;max-width:1300px;width:100%;margin:auto}.qr-display-heading h2{font-size:clamp(18px,2.5vw,30px);margin:0 0 5px;overflow-wrap:anywhere}.qr-display-heading p{margin-bottom:0}.qr-display-heading .eyebrow{margin-bottom:4px}.qr-display-heading button{flex-shrink:0}.qr-display-body{height:100%;min-height:0;display:flex;align-items:center;justify-content:center}.qr-display-body img{display:block;width:auto;height:auto;max-width:100%;max-height:100%;aspect-ratio:1;object-fit:contain;background:white;image-rendering:pixelated}.qr-display-footer{text-align:center;font-size:14px;color:var(--muted);margin:0}
@media(max-width:900px){.site-header{padding:0 25px}.dashboard-grid{grid-template-columns:220px minmax(0,1fr)}.panel{padding:22px}.stats{gap:8px}.stat{padding:12px}nav{gap:16px}}
@media(max-width:650px){.site-header{height:68px;padding:0 17px}.brand span{display:none}nav{gap:8px;font-size:12px}.quiet{font-size:12px}main{padding:30px 16px 0}.page-heading{margin-bottom:23px}.welcome-grid,.dashboard-grid,.student-layout{grid-template-columns:1fr}.welcome-copy{padding:25px}.welcome-copy h2{font-size:24px}.section-bar{flex-wrap:wrap}.session-list{padding:16px}.session-list #session-items{max-height:240px;overflow:auto}.detail-heading{display:block}.detail-heading .actions{margin:16px 0 0}.panel{padding:20px}.placeholder{padding:30px 0}.stats{margin:20px 0}.stat b{font-size:25px}.share-row{grid-template-columns:120px minmax(0,1fr);padding:12px;gap:13px}.qr-image{width:120px;height:120px}.share-row h3{font-size:14px}.share-row p{font-size:12px}.share-row .actions{gap:5px}.share-row .actions>*{font-size:12px;padding:5px 9px;min-height:35px}.student-layout .receipt{grid-column:1;grid-row:2}.form-grid{grid-template-columns:1fr;gap:2px}dialog{padding:23px}.page-footer{display:block;margin-top:30px}.page-footer span{display:block;margin-top:7px}}