:root{
  --bg:#f3f7f4; --card:#ffffff; --ink:#15302a; --muted:#5d7069; --line:#dbe6e0;
  --brand:#0f6b4f; --brand-2:#13875f; --brand-soft:#e3f3ec;
  --sun:#f5b524; --sun-soft:#fff4d6;
  --good:#1a8a55; --good-soft:#e1f5ea; --bad:#c8392f; --bad-soft:#fde7e5; --mid:#b97800; --mid-soft:#fff1d3;
  --eng:#2f6fd6; --eng-soft:#e6efff; --urd:#8a3fc4; --urd-soft:#f3e9fc; --mat:#e0692a; --mat-soft:#fdeee4;
  --r:18px; --shadow:0 2px 0 rgba(15,60,45,.06), 0 8px 24px rgba(15,60,45,.08);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--ink)}
body{font-family:"Nunito",system-ui,sans-serif;font-size:16px;min-height:100vh}
html[dir=rtl] body{font-family:"Nastaliq","Noto Nastaliq Urdu","Nunito",serif}
.f-en{font-family:"Nunito",system-ui,sans-serif !important;line-height:1.45}
.f-ur{font-family:"Nastaliq","Noto Nastaliq Urdu","Nunito",serif !important;line-height:2.1}
html[dir=rtl] .txt{line-height:2.1}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
input{font:inherit}
#shell{max-width:480px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column}
header{position:sticky;top:0;z-index:5;background:var(--brand);color:#fff;padding:10px 14px;display:flex;align-items:center;gap:10px;box-shadow:0 2px 10px rgba(0,0,0,.12)}
.brand{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.brand b{font-size:18px;font-weight:800;white-space:nowrap}
html[dir=rtl] .brand b{font-size:17px;font-weight:700}
.logo{width:34px;height:34px;border-radius:10px;background:#fff;display:grid;place-items:center;flex:none}
.langbtn{background:rgba(255,255,255,.16);border:1.5px solid rgba(255,255,255,.5);color:#fff;border-radius:999px;padding:6px 14px;font-weight:700;font-size:14px;white-space:nowrap}
.langbtn.ur{font-family:"Nastaliq","Noto Nastaliq Urdu",serif;padding:2px 14px 8px}
.langbtn.en{font-family:"Nunito",sans-serif}
main{flex:1;padding:16px 16px 40px}
.hero{background:linear-gradient(160deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;border-radius:24px;padding:22px 20px 24px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.hero h1{margin:0 0 4px;font-size:28px;font-weight:900}
html[dir=rtl] .hero h1{font-size:26px;font-weight:700}
.hero p{margin:0;opacity:.92}
.hero .moon{position:absolute;inset-inline-end:-30px;top:-30px;width:140px;height:140px;border-radius:50%;background:rgba(255,255,255,.1)}
.hero .moon2{position:absolute;inset-inline-end:40px;bottom:-50px;width:90px;height:90px;border-radius:50%;background:rgba(245,181,36,.35)}
.section-title{font-weight:800;font-size:17px;margin:22px 4px 10px}
html[dir=rtl] .section-title{font-weight:700}
.role{display:flex;align-items:center;gap:14px;width:100%;background:var(--card);border-radius:var(--r);padding:16px;margin-bottom:12px;box-shadow:var(--shadow);text-align:start;border:2px solid transparent;transition:transform .08s}
.role:active{transform:scale(.98)}
.role .ic{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;flex:none}
.role h3{margin:0;font-size:18px;font-weight:800}
html[dir=rtl] .role h3{font-weight:700;font-size:17px}
.role p{margin:2px 0 0;color:var(--muted);font-size:14px}
.chev{margin-inline-start:auto;color:var(--muted);font-size:22px}
html[dir=rtl] .chev{transform:scaleX(-1)}
.note{color:var(--muted);font-size:13px;text-align:center;margin-top:18px}
.card{background:var(--card);border-radius:var(--r);padding:16px;box-shadow:var(--shadow);margin-bottom:14px}
label.lbl{display:block;font-weight:700;font-size:14px;margin:0 2px 6px}
.inp{width:100%;padding:12px 14px;border:2px solid var(--line);border-radius:14px;background:#fbfdfc;font-size:16px;outline:none}
.inp:focus{border-color:var(--brand-2);background:#fff}
.row2{display:grid;grid-template-columns:1.6fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.pick{background:var(--card);border:2.5px solid var(--line);border-radius:16px;padding:12px 6px;text-align:center;box-shadow:var(--shadow);transition:transform .08s,border-color .15s}
.pick:active{transform:scale(.97)}
.pick .num{font-family:"Nunito",sans-serif;font-size:30px;font-weight:900;line-height:1.1;color:var(--brand)}
.pick .sm{font-size:13px;color:var(--muted);font-weight:700}
.pick.on{border-color:var(--brand);background:var(--brand-soft)}
.subj{display:flex;align-items:center;gap:14px;width:100%;background:var(--card);border:2.5px solid var(--line);border-radius:16px;padding:12px 14px;margin-bottom:10px;box-shadow:var(--shadow);text-align:start}
.subj .badge{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-weight:900;font-size:18px;flex:none}
.subj .nm{font-weight:800;font-size:17px}
html[dir=rtl] .subj .nm{font-weight:700}
.subj .ds{font-size:13px;color:var(--muted)}
.subj.on{border-color:var(--brand);background:var(--brand-soft)}
.s-eng .badge{background:var(--eng-soft);color:var(--eng);font-family:"Nunito",sans-serif}
.s-urdu .badge{background:var(--urd-soft);color:var(--urd);font-family:"Nastaliq","Noto Nastaliq Urdu",serif;font-size:17px;padding-bottom:6px}
.s-math .badge{background:var(--mat-soft);color:var(--mat);font-family:"Nunito",sans-serif}
.btn{display:block;width:100%;padding:15px 18px;border-radius:16px;font-weight:800;font-size:17px;text-align:center;transition:transform .08s,opacity .15s}
html[dir=rtl] .btn{font-weight:700;padding:10px 18px 16px}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 4px 0 #0a4c38}
.btn-primary:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.btn-sun{background:var(--sun);color:#3d2a00;box-shadow:0 4px 0 #c48a0a}
.btn-ghost{background:var(--card);color:var(--brand);border:2px solid var(--line)}
.btn-danger{background:var(--bad-soft);color:var(--bad);border:2px solid #f6c8c3}
.btn+.btn{margin-top:10px}
.err{color:var(--bad);font-size:14px;font-weight:700;margin-top:8px;min-height:1em}
.back{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:800;margin:0 0 10px;padding:4px 2px}
html[dir=rtl] .back .ar{transform:scaleX(-1);display:inline-block}
/* test */
.tophead{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.pill{display:inline-flex;align-items:center;gap:6px;background:var(--card);border-radius:999px;padding:4px 12px;font-size:13px;font-weight:800;color:var(--muted);box-shadow:var(--shadow)}
html[dir=rtl] .pill{padding:0 12px 6px;font-weight:600}
.progress{height:12px;background:#dfe9e4;border-radius:999px;overflow:hidden;margin-bottom:16px}
.progress>div{height:100%;background:linear-gradient(90deg,var(--sun),#f9cf55);border-radius:999px;transition:width .3s}
.qcard{background:var(--card);border-radius:22px;padding:20px 18px;box-shadow:var(--shadow);margin-bottom:14px}
.qno{font-size:13px;font-weight:800;color:var(--brand);margin-bottom:6px}
.qtext{font-size:21px;font-weight:800;margin:0 0 16px}
.qtext.f-ur{font-size:21px;font-weight:600}
.opt{display:flex;align-items:center;gap:12px;width:100%;text-align:start;background:#f7faf8;border:2.5px solid var(--line);border-radius:16px;padding:12px 14px;margin-bottom:10px;font-size:18px;font-weight:700;transition:border-color .15s,background .15s}
.opt.f-ur{font-weight:600;padding:6px 14px 10px}
.opt .let{width:34px;height:34px;border-radius:10px;background:#fff;border:2px solid var(--line);display:grid;place-items:center;font-size:15px;font-weight:900;flex:none;font-family:"Nunito",sans-serif}
.opt.f-ur .let{font-family:"Nastaliq","Noto Nastaliq Urdu",serif;font-weight:700;padding-bottom:6px}
.opt:not(:disabled):active{transform:scale(.99)}
.opt.ok{border-color:var(--good);background:var(--good-soft)}
.opt.ok .let{background:var(--good);border-color:var(--good);color:#fff}
.opt.no{border-color:var(--bad);background:var(--bad-soft)}
.opt.no .let{background:var(--bad);border-color:var(--bad);color:#fff}
.opt:disabled{cursor:default}
.opt .mark{margin-inline-start:auto;font-weight:900;font-size:18px}
.fb{border-radius:14px;padding:10px 14px;font-weight:800;margin-bottom:14px;display:flex;gap:8px;align-items:center}
html[dir=rtl] .fb{font-weight:600;padding:6px 14px 10px}
.fb.ok{background:var(--good-soft);color:var(--good)}
.fb.no{background:var(--bad-soft);color:var(--bad)}
/* result */
.res{text-align:center}
.ring{width:170px;height:170px;margin:6px auto 6px;position:relative}
.ring svg{transform:rotate(-90deg)}
.ring .val{position:absolute;inset:0;display:grid;place-items:center;font-family:"Nunito",sans-serif}
.ring .val b{font-size:42px;font-weight:900;line-height:1}
.ring .val span{display:block;font-size:14px;color:var(--muted);font-weight:700;margin-top:2px}
.stars{display:flex;justify-content:center;gap:6px;margin:4px 0 8px}
.msg{font-size:22px;font-weight:900;margin:4px 0 2px}
html[dir=rtl] .msg{font-weight:700}
.sub{color:var(--muted);font-size:14px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:16px 0}
.stat{background:var(--bg);border-radius:14px;padding:10px 6px}
.stat b{display:block;font-family:"Nunito",sans-serif;font-size:20px;font-weight:900}
.stat span{font-size:12px;color:var(--muted);font-weight:700}
.rv{border-top:1px solid var(--line);padding:12px 2px;text-align:start}
.rv:first-child{border-top:0}
.rv .q{font-weight:800;margin-bottom:4px}
.rv .a{font-size:14px}
.tag{display:inline-block;border-radius:8px;padding:1px 8px;font-weight:800;font-size:13px}
.tag.ok{background:var(--good-soft);color:var(--good)}
.tag.no{background:var(--bad-soft);color:var(--bad)}
/* teacher */
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.kpi{background:var(--card);border-radius:16px;padding:12px;box-shadow:var(--shadow)}
.kpi b{display:block;font-family:"Nunito",sans-serif;font-size:26px;font-weight:900;color:var(--brand);line-height:1.1}
.kpi span{font-size:12px;color:var(--muted);font-weight:700}
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;margin-bottom:12px}
.chip{flex:none;background:var(--card);border:2px solid var(--line);border-radius:999px;padding:6px 14px;font-weight:800;font-size:14px}
html[dir=rtl] .chip{padding:0 14px 6px;font-weight:600}
.chip.on{background:var(--brand);border-color:var(--brand);color:#fff}
table.grid{width:100%;border-collapse:separate;border-spacing:6px;margin:0 -6px}
table.grid th{font-size:13px;color:var(--muted);font-weight:800;text-align:center}
table.grid td{text-align:center;border-radius:12px;padding:10px 4px;font-family:"Nunito",sans-serif}
table.grid td b{display:block;font-size:18px;font-weight:900}
table.grid td small{font-size:11px;color:var(--muted);font-weight:700}
table.grid th.rh{text-align:start;white-space:nowrap}
.lv-good{background:var(--good-soft);color:var(--good)}
.lv-mid{background:var(--mid-soft);color:var(--mid)}
.lv-low{background:var(--bad-soft);color:var(--bad)}
.lv-none{background:var(--bg);color:var(--muted)}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:8px;font-weight:700}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-inline-end:4px;vertical-align:middle}
.lst{display:flex;align-items:center;gap:10px;padding:10px 0;border-top:1px solid var(--line)}
.lst:first-child{border-top:0}
.av{width:38px;height:38px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:900;flex:none;font-family:"Nunito",sans-serif}
.lst .mid{flex:1;min-width:0}
.lst .mid b{display:block;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lst .mid span{font-size:12px;color:var(--muted)}
.sc{font-family:"Nunito",sans-serif;font-weight:900;border-radius:10px;padding:4px 10px;font-size:14px}
.miss{padding:10px 0;border-top:1px solid var(--line);display:flex;gap:10px;align-items:flex-start}
.miss:first-child{border-top:0}
.miss .cnt{background:var(--bad-soft);color:var(--bad);border-radius:10px;padding:2px 8px;font-weight:900;font-family:"Nunito",sans-serif;font-size:13px;flex:none;margin-top:2px}
.miss .mq{font-weight:700;font-size:15px}
.miss .meta{font-size:12px;color:var(--muted)}
.empty{text-align:center;color:var(--muted);padding:20px 8px}
textarea.csv{width:100%;height:140px;border:2px solid var(--line);border-radius:12px;padding:10px;font-family:ui-monospace,monospace;font-size:12px;direction:ltr}
.pinbox{display:flex;justify-content:center;gap:10px;margin:14px 0 6px;direction:ltr}
.pinbox span{width:48px;height:56px;border-radius:14px;border:2.5px solid var(--line);background:#fff;display:grid;place-items:center;font-size:26px;font-weight:900;font-family:"Nunito",sans-serif}
.pinbox span.f{border-color:var(--brand)}
.pad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;direction:ltr;margin-top:14px}
.pad button{background:var(--card);border-radius:16px;padding:14px 0;font-size:24px;font-weight:900;box-shadow:var(--shadow);font-family:"Nunito",sans-serif}
.pad button:active{background:var(--brand-soft)}
.hint{text-align:center;color:var(--muted);font-size:13px}
.fade{animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}