:root{
  --bg:oklch(97.5% .008 85);
  --surface:oklch(99.2% .004 85);
  --ink:oklch(24% .02 255);
  --muted:oklch(52% .02 255);
  --line:oklch(90% .01 85);
  --accent:oklch(48% .12 195);
  --accent-ink:oklch(98% .01 195);
  --accent-soft:oklch(94% .035 195);
  --ok:oklch(46% .11 155);   --ok-soft:oklch(94% .045 155);
  --nq:oklch(50% .15 40);    --nq-soft:oklch(94% .04 50);
  --abs:oklch(50% .02 255);  --abs-soft:oklch(93% .008 255);
  --r:10px;
  --head:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  --body:"Public Sans",ui-sans-serif,system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
}
@media (prefers-color-scheme:dark){:root{
  --bg:oklch(19% .015 255);--surface:oklch(23% .016 255);--ink:oklch(94% .01 85);--muted:oklch(70% .02 255);
  --line:oklch(32% .02 255);--accent:oklch(75% .12 195);--accent-ink:oklch(18% .02 195);--accent-soft:oklch(30% .05 195);
  --ok:oklch(78% .13 155);--ok-soft:oklch(30% .06 155);--nq:oklch(76% .14 45);--nq-soft:oklch(30% .06 45);
  --abs:oklch(72% .02 255);--abs-soft:oklch(30% .015 255);
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.5 var(--body)}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.top{border-bottom:1px solid var(--line);background:var(--surface);position:sticky;top:0;z-index:20}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:12px;height:56px}
.brand{display:flex;align-items:center;gap:10px;font:700 18px var(--head);color:var(--ink);text-decoration:none}
.mark{width:18px;height:18px;border-radius:5px;background:var(--accent);box-shadow:inset 0 -5px 0 oklch(0% 0 0/.18)}
select,input{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:9px 12px;min-height:44px;max-width:100%}
select{padding-right:8px}
.exam-pick select{max-width:46vw;font-weight:500}

.hero{padding:32px 0 20px}
.eyebrow{margin:0 0 6px;font:600 12px var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
h1{margin:0;font:700 clamp(28px,5vw,44px)/1.08 var(--head);letter-spacing:-.02em;text-wrap:balance}
.sub{margin:8px 0 0;color:var(--muted)}
.stats{display:flex;flex-wrap:wrap;gap:10px 28px;margin:22px 0 0}
.stats div{min-width:84px}
.stats dt{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.stats dd{margin:0;font:700 26px var(--head);font-variant-numeric:tabular-nums}

.layout{display:grid;grid-template-columns:290px 1fr;gap:28px;align-items:start;padding-bottom:56px}
.filters{position:sticky;top:76px;max-height:calc(100vh - 92px);overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px}
.f-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.f-head h2{margin:0;font:700 18px var(--head);flex:1}
fieldset{border:0;margin:0;padding:14px 0;border-top:1px solid var(--line)}
legend{font:600 13px var(--body);padding:0;margin-bottom:10px;float:left;width:100%}
legend small{color:var(--muted);font-weight:400}
fieldset>*{clear:both}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:var(--surface);cursor:pointer;font-size:14px;user-select:none}
.chip[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.chip small{opacity:.75;font-variant-numeric:tabular-nums}
.range{display:flex;align-items:center;gap:8px;color:var(--muted)}
.range input{width:100%;min-width:0}
#catSearch{width:100%;margin-bottom:8px}
.checks{max-height:240px;overflow:auto;display:grid;gap:2px}
.check{display:flex;align-items:center;gap:10px;padding:8px 6px;border-radius:8px;cursor:pointer;font-size:14px;min-height:40px}
.check:hover{background:var(--accent-soft)}
.check input{min-height:0;width:18px;height:18px;accent-color:var(--accent);flex:none}
.check span{flex:1;line-height:1.3}
.check small{color:var(--muted);font-variant-numeric:tabular-nums}

button{font:inherit;cursor:pointer}
.link{background:none;border:0;color:var(--accent);padding:8px;min-height:40px;font-weight:500}
.icon{background:none;border:0;color:var(--muted);min-width:44px;min-height:44px;font-size:18px}
.primary{background:var(--accent);color:var(--accent-ink);border:0;border-radius:10px;padding:12px 18px;min-height:48px;font-weight:600;width:100%}
.ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:9px 14px;min-height:44px}
.ghost:disabled{opacity:.4;cursor:not-allowed}
.close-f,.apply-f,.open-f,.scrim{display:none}
.badge{display:inline-grid;place-items:center;min-width:20px;height:20px;border-radius:10px;background:var(--accent);color:var(--accent-ink);font-size:12px;padding:0 6px;margin-left:4px}

.bar{display:flex;gap:10px;flex-wrap:wrap}
.search{flex:1 1 240px}
.search input{width:100%}
.active{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tag{display:inline-flex;align-items:center;gap:6px;background:var(--accent-soft);border-radius:6px;padding:4px 6px 4px 10px;font-size:13px}
.tag button{background:none;border:0;color:var(--muted);min-width:28px;min-height:28px;font-size:14px}
.count{margin:14px 0 10px;color:var(--muted);font-size:14px;font-variant-numeric:tabular-nums}
.count b{color:var(--ink)}

.table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:auto}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th{position:sticky;top:0;background:var(--surface);text-align:left;font:600 12px var(--body);letter-spacing:.05em;text-transform:uppercase;color:var(--muted);padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;cursor:pointer;user-select:none}
th[aria-sort]{color:var(--accent)}
th[aria-sort=ascending]::after{content:" ↑"}
th[aria-sort=descending]::after{content:" ↓"}
td{padding:11px 14px;border-bottom:1px solid var(--line)}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--accent-soft)}
.num{text-align:right;font-variant-numeric:tabular-nums}
td.mono,.mono{font-family:var(--mono);font-size:13.5px}
td.name{font-weight:500}
.status{display:inline-block;padding:2px 10px;border-radius:6px;font:600 12px var(--body);letter-spacing:.04em}
.status.NQ{background:var(--nq-soft);color:var(--nq)}
.status.ABSENT{background:var(--abs-soft);color:var(--abs)}
.marks{font:600 15px var(--mono);color:var(--ok)}
.empty{padding:48px 16px;text-align:center;color:var(--muted)}

.cards{display:none;list-style:none;margin:0;padding:0;gap:10px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px;display:grid;grid-template-columns:1fr auto;gap:4px 12px}
.card .nm{font-weight:600}
.card .meta{grid-column:1;color:var(--muted);font-size:13px}
.card .sc{grid-row:1/3;grid-column:2;align-self:center;text-align:right}
.card .sc .marks{font-size:20px}

.pager{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;color:var(--muted);font-size:14px;font-variant-numeric:tabular-nums}

@media (max-width:900px){
  .wrap{padding:0 16px}
  .layout{grid-template-columns:1fr}
  .open-f{display:inline-flex;align-items:center}
  .filters{position:fixed;inset:auto 0 0 0;max-height:86vh;z-index:40;border-radius:18px 18px 0 0;transform:translateY(105%);transition:transform .25s ease;box-shadow:0 -12px 40px oklch(0% 0 0/.25)}
  .filters.open{transform:none}
  .close-f,.apply-f{display:block}
  .apply-f{position:sticky;bottom:-18px;margin-top:10px}
  .scrim{position:fixed;inset:0;background:oklch(0% 0 0/.45);z-index:30}
  .scrim.show{display:block}
  .table-wrap{display:none}
  .cards{display:grid}
  .sort{flex:1 1 140px}.sort select{width:100%}
  .hero{padding-top:22px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

.back{color:var(--muted);text-decoration:none;font-size:14px;padding:12px 0;min-height:44px;display:inline-flex;align-items:center}
.back:hover{color:var(--accent)}
.home-table{margin-top:4px}
.row-link{color:var(--ink);text-decoration:none}
.link-row{cursor:pointer}
.link-row:hover .row-link{color:var(--accent);text-decoration:underline}
a.card{text-decoration:none;color:inherit}
a.card:hover{border-color:var(--accent)}

.export{position:relative}
.menu{position:absolute;right:0;top:calc(100% + 6px);z-index:15;min-width:210px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:6px;box-shadow:0 12px 32px oklch(0% 0 0/.18)}
.menu button{display:block;width:100%;text-align:left;background:none;border:0;border-radius:8px;padding:10px 12px;min-height:44px;color:var(--ink)}
.menu button:hover:not(:disabled){background:var(--accent-soft)}
.menu button:disabled{color:var(--muted);cursor:not-allowed}
.hint{margin:4px 12px 8px;font-size:12.5px;color:var(--muted);line-height:1.4}
.progress{margin:12px 0 0;padding:10px 14px;background:var(--accent-soft);border-radius:8px;font-size:14px}
@media (max-width:900px){.export{flex:1 1 100px}.export>.ghost{width:100%}.menu{left:0;right:auto}}