/* EduScan styles. Poppins is loaded by the <link> tag in index.html. */
:root{--ink:#121830;--ink2:#4A5270;--ink3:#5E6684;--line:#E3E6EF;--bg:#F4F5F9;--sf:#fff;--navy:#0B1026;--navy2:#1B2550;--gold:#D4AF37;--goldh:#C29E2C;--green:#0B7A5A;--greenbg:#E4F5EE;--burg:#7A1F2D;--burgbg:#F8E9EC;--amber:#8A5A00;--amberbg:#FBF1DC}
*{box-sizing:border-box;margin:0}
[hidden]{display:none!important}
body{font:400 14px/1.5 Poppins,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--navy);outline-offset:2px}
.side :focus-visible,.auth-art :focus-visible{outline-color:#fff}
svg.i{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
h1,h2,h3{font-weight:600;letter-spacing:-.01em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 16px;border-radius:8px;border:1px solid var(--line);background:#fff;font-weight:500;cursor:pointer;white-space:nowrap;transition:background .15s,border-color .15s}
.btn:hover{background:var(--bg);border-color:#CDD2E0}
.btn.gold{background:var(--gold);border-color:var(--gold);color:var(--navy);font-weight:600}.btn.gold:hover{background:var(--goldh)}
.btn.lg{height:48px;padding:0 24px}.btn.sm{height:34px;padding:0 12px;font-size:13px}
.btn.dng{background:var(--burg);border-color:var(--burg);color:#fff}.btn.dng:hover{background:#651826}
.btn.dngo{color:var(--burg);border-color:#D9B3BA}.btn.dngo:hover{background:var(--burgbg)}
.btn.icon{width:36px;height:36px;padding:0}
.btn.ghost{background:transparent;border-color:rgba(255,255,255,.2);color:#fff}.btn.ghost:hover{background:rgba(255,255,255,.08)}
.btn.full{width:100%}
.link{background:none;border:0;color:var(--navy);font-weight:600;text-decoration:underline;cursor:pointer}
label{display:block;font-weight:500;font-size:13px;margin-bottom:6px}
input,select{width:100%;height:44px;padding:0 12px;border:1px solid #CDD2E0;border-radius:8px;background:#fff}
input:focus,select:focus{outline:2px solid var(--navy);outline-offset:0;border-color:var(--navy)}
.fld{margin-bottom:16px}.hint{font-size:12px;color:var(--ink3);margin-top:4px}
/* auth */
.auth{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);min-height:100vh}
.auth-art{background:var(--navy);color:#fff;padding:48px;display:flex;flex-direction:column;justify-content:space-between;gap:48px;background-image:radial-gradient(circle at 100% 100%,transparent 0 120px,rgba(255,255,255,.05) 121px 122px,transparent 123px 200px,rgba(255,255,255,.05) 201px 202px,transparent 203px 280px,rgba(255,255,255,.05) 281px 282px,transparent 283px)}
.auth-art h1{font-size:40px;line-height:1.15;max-width:11ch;margin-bottom:16px}
.auth-art p{color:rgba(255,255,255,.75);max-width:38ch}.auth-art .fine{font-size:13px}
.brand{display:flex;align-items:center;gap:12px;font-weight:600;font-size:18px}
.brand small{display:block;font-size:12px;font-weight:400;color:rgba(255,255,255,.65)}
.mark{width:38px;height:38px;border-radius:10px;background:var(--gold);color:var(--navy);display:grid;place-items:center}
.auth-form{display:grid;place-items:center;padding:32px 20px}
.box{width:100%;max-width:400px}
.box h2{font-size:28px}.sub{color:var(--ink2);margin:4px 0 24px}
.alert{background:var(--burgbg);color:var(--burg);border:1px solid #E2BFC5;border-radius:8px;padding:10px 12px;margin-bottom:16px;font-weight:500;font-size:13px}
.swap{margin-top:24px;color:var(--ink2);text-align:center}
.segs{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;background:var(--bg);border-radius:10px;border:1px solid var(--line)}
.seg{position:relative;margin:0}.seg input{position:absolute;opacity:0;inset:0;height:100%;cursor:pointer}
.seg span{display:block;text-align:center;padding:8px;border-radius:7px;font-weight:500;color:var(--ink2)}
.seg input:checked+span{background:#fff;color:var(--ink);box-shadow:0 0 0 1px var(--line)}
.seg input:focus-visible+span{outline:2px solid var(--navy)}
/* shell */
.app{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100vh}
.side{background:var(--navy);color:#fff;position:sticky;top:0;height:100vh;padding:24px 14px;display:flex;flex-direction:column;gap:32px}
.side .brand{padding:0 8px}
#nav{display:flex;flex-direction:column;gap:2px;flex:1}
#nav button{display:flex;align-items:center;gap:12px;padding:10px 12px;border:0;border-radius:8px;background:none;color:rgba(255,255,255,.72);text-align:left;cursor:pointer}
#nav button:hover{background:rgba(255,255,255,.06);color:#fff}
#nav button[aria-current=page]{background:rgba(255,255,255,.12);color:#fff;font-weight:500}
.me{display:grid;gap:2px;padding:0 8px}.me b{font-weight:500}.me span{font-size:12px;color:rgba(255,255,255,.65)}.me .btn{margin-top:12px}
.main{padding:32px;max-width:1240px;width:100%}
.top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px}
.top h1{font-size:24px}.top p{color:var(--ink2);font-size:13px}
.pills{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.pill,.chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:500;background:var(--bg);color:var(--ink2)}
.pill{padding:4px 12px;border:1px solid var(--line);background:#fff}
.pill.g::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green)}
.g{color:var(--green)}.chip.g{background:var(--greenbg)}
.a{color:var(--amber)}.chip.a{background:var(--amberbg)}
.b{color:var(--burg)}.chip.b,.pill.b{background:var(--burgbg);border-color:#E2BFC5}
.mob{display:none}
.panel{background:var(--sf);border:1px solid var(--line);border-radius:12px;margin-bottom:20px;overflow:hidden}
.ph{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line)}.ph h2{font-size:16px}.ph p{font-size:13px;color:var(--ink2)}
.pb{padding:20px}
.grid2{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:20px;align-items:start}
.row{display:flex;gap:8px}.row.end{justify-content:flex-end;flex-wrap:wrap}
/* reader */
.reader{display:grid;justify-items:center;gap:8px;width:calc(100% - 40px);margin:20px;padding:40px 20px;border:1px dashed #BCC3D6;border-radius:12px;background:var(--bg);cursor:pointer;text-align:center}
.reader:hover{border-color:var(--navy)}
.reader small{color:var(--ink2);max-width:30ch}
.core{position:relative;width:72px;height:72px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;margin-bottom:8px}
.core svg{width:30px;height:30px}
.core::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--navy);animation:ripple 2.6s ease-out infinite}
@keyframes ripple{from{transform:scale(1);opacity:.5}to{transform:scale(1.7);opacity:0}}
/* verification */
.vf{border-width:1px}.vf.ok{border-color:var(--green)}
.idle,.done{display:grid;justify-items:center;text-align:center;gap:6px;padding:56px 24px}
.idle svg,.done svg{width:36px;height:36px;color:var(--ink3);margin-bottom:6px}.idle p,.done p{color:var(--ink2);max-width:40ch}
.done svg{color:#fff;background:var(--green);border-radius:50%;padding:8px;width:52px;height:52px}.done h3{color:var(--green);font-size:20px}
.note{background:var(--navy);color:#fff;padding:10px 20px;font-size:13px}
.who{display:flex;gap:20px;padding:20px;align-items:center}
.who h3{font-size:24px;line-height:1.25;margin-bottom:4px}
.lrn{font-size:20px;font-weight:500;letter-spacing:.02em;margin-bottom:10px}.lrn span{font-size:12px;color:var(--ink3);font-weight:400;margin-right:8px;letter-spacing:0}
.av{width:40px;height:40px;border-radius:50%;background:var(--navy2);color:#fff;display:inline-grid;place-items:center;font-size:13px;font-weight:500;object-fit:cover;flex:none}
.av.xl{width:132px;height:132px;border-radius:12px;font-size:36px;border:1px solid var(--line)}
.av.sm{width:34px;height:34px;font-size:12px}
.meta{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;padding:16px 20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#FAFBFD}
.meta dt{font-size:12px;color:var(--ink3)}.meta dd{font-weight:500;overflow-wrap:anywhere}
.vf .row{padding:16px 20px}
.rec{display:flex;align-items:center;gap:12px;padding:12px 20px;border-top:1px solid var(--line)}.rec div{flex:1;min-width:0}.rec b{font-weight:500;display:block}.rec small{color:var(--ink3)}
/* tables */
.tools{display:flex;justify-content:space-between;gap:12px;padding:16px 20px;flex-wrap:wrap}
.search{position:relative;flex:1;max-width:340px}.search svg{position:absolute;left:12px;top:13px;color:var(--ink3)}.search input{padding-left:38px}
.strip{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--line)}
.strip div{padding:16px 20px;border-left:1px solid var(--line)}.strip div:first-child{border-left:0}
.strip b{display:block;font-size:28px;font-weight:600;line-height:1.2}.strip span{font-size:13px;color:var(--ink2)}
.tw{overflow-x:auto}
table{width:100%;border-collapse:collapse;text-align:left}
th{font-size:12px;font-weight:500;color:var(--ink2);background:#F8F9FC;padding:10px 16px;white-space:nowrap;border-bottom:1px solid var(--line)}
td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr:hover{background:#FAFBFD}td b{font-weight:500}.num{font-weight:500;letter-spacing:.02em}.r{text-align:right;white-space:nowrap}.warn{color:var(--amber)}
.empty{text-align:center;color:var(--ink2);padding:40px 16px}
.who2{display:flex;align-items:center;gap:12px}
#sf2 th,#sf2 td{text-align:center;padding:6px 4px;min-width:30px;border-left:1px solid var(--line)}
#sf2 th.l,#sf2 td.l{text-align:left;min-width:200px;position:sticky;left:0;background:#fff;padding-left:16px;border-left:0}#sf2 th.l{background:#F8F9FC}
#sf2 small{display:block;color:var(--ink3);font-size:11px}#sf2 .dim{color:#9AA1B8}#sf2 td{font-weight:600}
.legend{padding:12px 20px;font-size:12px;color:var(--ink2);display:flex;gap:16px;flex-wrap:wrap}
.sum{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:20px}.sum b{display:block;font-size:24px;font-weight:600}.sum span{font-size:13px;color:var(--ink2)}
dl.sch{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:16px 20px;border-bottom:1px solid var(--line)}dl.sch dt{font-size:12px;color:var(--ink3)}dl.sch dd{font-weight:500}
.sign{padding:8px 20px 28px;color:var(--ink2);font-size:13px}.sign hr{border:0;border-top:1px solid var(--ink);width:260px;margin:36px 0 4px}
.stat{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line)}.stat:last-of-type{border:0}
.zone{border-color:#E2BFC5}.zone .ph{background:var(--burgbg);color:var(--burg)}
.er{display:grid;grid-template-columns:220px 1fr auto;gap:16px;align-items:start;padding:16px 20px;border-top:1px solid var(--line)}.er b{font-weight:500}.er p{color:var(--ink2);font-size:13px}
/* dialog + toast */
dialog{border:0;border-radius:14px;padding:0;width:min(440px,calc(100% - 32px));box-shadow:0 24px 60px rgba(11,16,38,.35)}
dialog::backdrop{background:rgba(11,16,38,.6)}dialog form{padding:20px}dialog h2{font-size:18px;margin-bottom:16px}
#toasts{position:fixed;right:20px;bottom:20px;z-index:50;display:grid;gap:8px;max-width:360px}
.toast{background:var(--navy);color:#fff;padding:12px 16px;border-radius:10px;font-size:13px;display:flex;gap:10px;align-items:center;box-shadow:0 8px 24px rgba(11,16,38,.25)}
.toast.success{border-left:4px solid #00C896}.toast.error{background:var(--burg)}
@media (prefers-reduced-motion:reduce){.core::after{animation:none}*{transition:none!important}}
@media (max-width:900px){
.auth{grid-template-columns:1fr}.auth-art{padding:24px;gap:16px}.auth-art h1{font-size:28px;max-width:none}.auth-art .fine{display:none}
.app{grid-template-columns:1fr}.main{padding:20px 16px 96px}
.side{position:fixed;top:auto;bottom:0;left:0;right:0;height:auto;padding:6px;z-index:20;flex-direction:row;border-top:1px solid rgba(255,255,255,.15)}
.side .brand,.me{display:none}#nav{flex-direction:row}#nav button{flex:1;flex-direction:column;gap:2px;font-size:11px;padding:8px 2px;text-align:center;min-width:0}
#nav button span{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mob{display:inline-flex}.grid2{grid-template-columns:1fr}.meta{grid-template-columns:1fr 1fr}.who{flex-direction:column;align-items:flex-start}
.strip,.sum,dl.sch{grid-template-columns:1fr 1fr}.strip div:nth-child(3){border-left:0}.strip div:nth-child(n+3){border-top:1px solid var(--line)}
.er{grid-template-columns:1fr}#toasts{left:16px;right:16px;bottom:84px}}
@media print{@page{size:landscape;margin:12mm}body{background:#fff}.side,.top,#p-scan,#p-logs,#p-roster,#p-eval,.tools .btn,#mo{display:none!important}.app{display:block}.main{padding:0;max-width:none}#p-sf2{display:block!important}.panel{border:0}#sf2 td,#sf2 th{font-size:10px}}

/* ===== premium dark theme ===== */
:root{color-scheme:dark;--ink:#F5F5F5;--ink2:#C3C9DC;--ink3:#97A0BC;--line:rgba(255,255,255,.09);--bg:#070B1E;--sf:#10183A;--green:#00C896;--greenbg:rgba(0,200,150,.14);--burg:#FF8A99;--burgbg:rgba(122,31,45,.4);--amber:#F2C14E;--amberbg:rgba(242,193,78,.14);--glow:#A8E6FF}
body{background:radial-gradient(900px 420px at 100% -8%,rgba(122,31,45,.5),transparent 62%),radial-gradient(700px 320px at 0 0,rgba(212,175,55,.12),transparent 60%),#070B1E fixed}
option{background:#0B1026}
.btn{background:rgba(255,255,255,.04);border-color:rgba(212,175,55,.45);color:var(--ink);border-radius:12px}.btn:hover{background:rgba(212,175,55,.12);border-color:var(--gold)}
.btn.gold{background:linear-gradient(180deg,#EBC85F,#C99B2B);border-color:#E3BC4E;color:#0B1026;box-shadow:0 6px 20px rgba(212,175,55,.25)}.btn.gold:hover{background:linear-gradient(180deg,#F1D170,#D2A431)}
.btn.dng{background:linear-gradient(180deg,#8E2535,#6A1826);border-color:#9A2D3E;color:#fff}.btn.dngo{color:var(--burg);border-color:rgba(255,138,153,.45)}.btn.dngo:hover{background:var(--burgbg)}
.link{color:var(--gold)}
input,select{background:#0B1026;border-color:rgba(255,255,255,.14);color:var(--ink);border-radius:12px}input::placeholder{color:#7B84A3}
input:focus,select:focus,:focus-visible{outline-color:var(--gold);border-color:var(--gold)}
.seg input:checked+span{background:rgba(212,175,55,.16);color:#EBC85F;box-shadow:0 0 0 1px rgba(212,175,55,.55)}.seg input:focus-visible+span{outline-color:var(--gold)}
.segs{background:#0B1026}
.auth-art{position:relative;overflow:hidden;justify-content:space-between;background-color:#070B1E}
.auth-art::before,.auth-art::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.auth-art::before{width:130%;aspect-ratio:1;left:-45%;top:-98%;border:3px solid transparent;border-bottom-color:#D4AF37;filter:drop-shadow(0 0 10px rgba(212,175,55,.5))}
.auth-art::after{width:130%;aspect-ratio:1;left:-48%;top:-102%;border:14px solid transparent;border-bottom-color:#7A1F2D}
.auth-art>*{position:relative;z-index:1}
.auth-art h1{font-size:clamp(46px,6vw,72px);max-width:none;line-height:1;margin:0 0 8px;font-weight:700}
.auth-art h1 span{background:linear-gradient(180deg,#F0D173,#C99B2B);-webkit-background-clip:text;background-clip:text;color:transparent}
.auth-art .tag{font-size:20px;color:#fff;margin-bottom:20px}
.mark{width:44px;height:44px;border-radius:12px;background:linear-gradient(160deg,#141C44,#070B1E);border:1.5px solid var(--gold);color:#EBC85F;box-shadow:0 0 18px rgba(212,175,55,.25)}
.mark.xl{width:104px;height:104px;border-radius:26px;margin-top:40px}.mark.xl svg{width:62px;height:62px;stroke-width:1.2}
.box{background:rgba(19,27,63,.72);border:1px solid rgba(212,175,55,.28);border-radius:22px;padding:32px;backdrop-filter:blur(8px)}
.alert{border-color:rgba(255,138,153,.4)}
.side{background:linear-gradient(180deg,#0A1030,#060A1C);border-right:1px solid rgba(212,175,55,.16)}
#nav button{border-radius:12px}#nav button[aria-current=page]{background:rgba(212,175,55,.12);box-shadow:inset 3px 0 0 var(--gold)}
.pill{background:rgba(255,255,255,.05)}.pill.b,.chip.b{border-color:rgba(255,138,153,.35)}
.panel{background:linear-gradient(180deg,rgba(25,34,76,.88),rgba(14,20,48,.92));border:1px solid rgba(255,255,255,.08);border-radius:18px;box-shadow:inset 0 1px 0 rgba(255,255,255,.05),0 12px 32px rgba(0,0,0,.25)}
.vf.ok{border-color:rgba(0,200,150,.6);box-shadow:0 0 40px rgba(0,200,150,.18)}
.reader{border:0;background:radial-gradient(circle at 50% 38%,rgba(120,200,255,.14),transparent 68%)}
.frame{position:relative;width:210px;height:190px;margin-bottom:14px}
.frame i{position:absolute;width:44px;height:44px;border:3px solid var(--glow);filter:drop-shadow(0 0 7px rgba(120,210,255,.75))}
.frame i:nth-child(1){top:0;left:0;border-right:0;border-bottom:0;border-radius:16px 0 0 0}.frame i:nth-child(2){top:0;right:0;border-left:0;border-bottom:0;border-radius:0 16px 0 0}
.frame i:nth-child(3){bottom:0;left:0;border-right:0;border-top:0;border-radius:0 0 0 16px}.frame i:nth-child(4){bottom:0;right:0;border-left:0;border-top:0;border-radius:0 0 16px 0}
.card3d{position:absolute;inset:44px 30px;border:2px solid rgba(255,255,255,.85);border-radius:16px;transform:rotate(-12deg);display:grid;place-items:center;background:rgba(255,255,255,.05);box-shadow:0 0 24px rgba(120,210,255,.3);color:#fff}.card3d svg{width:44px;height:44px}
.beam{position:absolute;left:14px;right:14px;height:2px;background:linear-gradient(90deg,transparent,var(--glow),transparent);box-shadow:0 0 14px var(--glow);animation:sweep 3.2s ease-in-out infinite}
@keyframes sweep{0%,100%{top:12%}50%{top:86%}}
.reader strong{font-size:18px}
.note{background:rgba(212,175,55,.12);color:#EBC85F;border-bottom:1px solid rgba(212,175,55,.25)}
.av.xl{border:2px solid var(--gold);box-shadow:0 0 22px rgba(212,175,55,.25);border-radius:16px}.av.lg{width:64px;height:64px;font-size:20px}
.av{background:linear-gradient(160deg,#243062,#141C44)}
.who h3{font-size:26px}
.meta{background:rgba(255,255,255,.03)}
.done{padding:40px 24px 28px}.done svg{width:92px;height:92px;padding:22px;background:rgba(0,200,150,.12);border:3px solid var(--green);color:var(--green);box-shadow:0 0 44px rgba(0,200,150,.45)}
.done h3{color:#fff;font-size:24px;margin-bottom:8px}.stu{display:flex;align-items:center;gap:14px;text-align:left;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:16px;padding:14px 18px;margin-bottom:6px;min-width:min(320px,100%)}.stu b{display:block;font-size:17px;font-weight:600}.stu small{color:var(--ink2)}
.done .chip{font-size:14px;padding:6px 18px;margin-bottom:14px}
.tapbox{display:flex;gap:14px;align-items:center;padding:14px;border:1px solid rgba(168,230,255,.35);border-radius:14px;background:rgba(120,200,255,.07);margin-bottom:16px}.tapbox small{display:block;color:var(--ink2)}
.pulse{width:12px;height:12px;border-radius:50%;background:var(--glow);animation:pl 1.8s infinite;flex:none}@keyframes pl{from{box-shadow:0 0 0 0 rgba(168,230,255,.6)}to{box-shadow:0 0 0 14px transparent}}
th{background:rgba(255,255,255,.04)}tbody tr:hover{background:rgba(255,255,255,.04)}
.search svg{color:var(--ink3)}
#sf2 td.l{background:#10183A}#sf2 th.l{background:#151E48}#sf2 .dim{color:#5E678A}
.meta,.strip,.er{border-color:var(--line)}
.zone{border-color:rgba(255,138,153,.35)}
dialog{background:#10183A;color:var(--ink);border:1px solid rgba(212,175,55,.3);border-radius:20px}
.toast{border:1px solid rgba(255,255,255,.12)}.toast.error{background:#6A1826}
@media (prefers-reduced-motion:reduce){.beam,.pulse{animation:none}}
@media (max-width:900px){.auth-art h1{font-size:44px}.mark.xl{width:72px;height:72px;margin-top:8px}.mark.xl svg{width:42px;height:42px}.box{padding:24px}.side{background:#070B1E}}
@media print{body{background:#fff!important}#p-sf2 *{color:#000!important;background:transparent!important;box-shadow:none!important}#sf2 td.l,#sf2 th.l{background:#fff!important}}