/* Element Quest — teacher & admin dashboards */
:root{
  --ink:#1E2A5A; --paper:#EEF3F8; --card:#FFFFFF; --line:#D6DFEC; --muted:#56658A;
  --accent:#2F7DE1; --gold:#FFC83D; --ok:#12936A; --bad:#D93F45; --warn:#B87400;
  --fd: var(--font-display, system-ui), system-ui, sans-serif;
  --fb: var(--font-body, system-ui), system-ui, sans-serif;
}
@media (prefers-color-scheme: dark){
  :root{ --ink:#E9EEFF; --paper:#0E1533; --card:#18214A; --line:#2D3B70; --muted:#9DABD6; --accent:#6EA8FF; --ok:#3DD39A; --bad:#FF7A7F; --warn:#F5B840; color-scheme:dark }
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--fb);font-size:15px;line-height:1.55;min-height:100vh;display:flex;flex-direction:column}
h1,h2,h3{font-family:var(--fd);margin:0;line-height:1.2;font-weight:700}
h1{font-size:1.7rem} h2{font-size:1.15rem;margin-bottom:12px} h3{font-size:1.05rem}
a{color:var(--accent)}
.muted{color:var(--muted)} .small{font-size:.84rem}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
code.code{font-family:var(--fd);font-weight:800;letter-spacing:.12em;background:var(--paper);padding:2px 8px;border-radius:6px}

/* bar */
.appbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 22px;background:var(--card);border-bottom:2px solid var(--line)}
.brandmark{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-family:var(--fd);font-size:1.1rem}
.brandmark .logo{height:36px;max-width:120px;object-fit:contain;border-radius:6px}
.tile-mini{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;background:#1E2A5A;color:var(--gold);font-family:var(--fd);font-weight:800}
.badge{font-size:.72rem;background:var(--gold);color:#3A2A00;border-radius:6px;padding:1px 7px;font-family:var(--fb);font-weight:800}
.appbar nav{display:flex;gap:4px;flex-wrap:wrap}
.appbar nav a{color:var(--ink);text-decoration:none;padding:7px 12px;border-radius:9px;font-weight:700}
.appbar nav a:hover{background:var(--paper)}
.appbar nav a.on{background:var(--ink);color:var(--card)}
.page{width:100%;max-width:1180px;margin:0 auto;padding:22px 18px 40px;flex:1}
.appfoot{text-align:center;color:var(--muted);font-size:.8rem;padding:14px}
.crumbs{margin:0 0 8px;color:var(--muted);font-size:.88rem}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.head p{margin:.25rem 0 0}
.actions,.row-actions{display:flex;gap:8px;flex-wrap:wrap}
.row-actions{margin:12px 0 6px}

/* buttons & forms */
.btn{font:inherit;font-weight:700;border:2px solid var(--line);background:var(--card);color:var(--ink);border-radius:10px;padding:.5rem 1rem;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:.4rem;white-space:nowrap}
.btn:hover{border-color:var(--ink)}
.btn.primary{background:var(--ink);border-color:var(--ink);color:var(--card)}
.btn.danger{color:var(--bad);border-color:color-mix(in srgb,var(--bad) 50%,var(--line))}
.btn.danger:hover{background:var(--bad);color:#fff;border-color:var(--bad)}
.btn.ghost{background:transparent}
.btn.sm{padding:.3rem .7rem;font-size:.85rem}
.btn.wide{width:100%;justify-content:center}
.form{display:flex;flex-direction:column;gap:12px}
.form.inline{flex-direction:row;align-items:flex-end;flex-wrap:wrap}
.form .grow{flex:1;min-width:220px}
.form label{display:flex;flex-direction:column;gap:5px;font-weight:700;font-size:.92rem}
.form label.check{flex-direction:row;align-items:center;gap:8px}
input,textarea,select{font:inherit;padding:.55rem .75rem;border:2px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink);width:100%}
input[type=checkbox]{width:auto}
input:focus,textarea:focus{outline:none;border-color:var(--accent)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px}
@media (max-width:640px){.grid2{grid-template-columns:1fr}}
.quick{display:flex;gap:6px;align-items:center;flex-wrap:wrap}

/* notes */
.note{border:2px solid var(--line);background:var(--card);border-radius:12px;padding:10px 14px;margin:0 0 14px;font-weight:600;overflow-wrap:anywhere}
.note.ok{border-color:var(--ok);color:var(--ok)}
.note.bad{border-color:var(--bad);color:var(--bad)}
.note.warn{border-color:var(--warn);color:var(--warn)}

/* blocks */
.block{background:var(--card);border:2px solid var(--line);border-radius:16px;padding:18px;margin-bottom:18px;min-width:0}
.block.narrow{max-width:760px}
.block-h{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.block-h h2{margin:0}
.filter{max-width:260px}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cols .block{margin-bottom:18px}
@media (max-width:900px){.cols{grid-template-columns:1fr;gap:0}}
.empty{text-align:center;padding:26px 10px}
.empty p{color:var(--muted);max-width:48ch;margin:.4rem auto 1rem}

/* KPI strip — a ruled row, not a row of cards */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));border:2px solid var(--line);border-radius:16px;background:var(--card);margin-bottom:18px;overflow:hidden}
.kpis>div{padding:14px 18px;border-inline-end:2px solid var(--line)}
.kpis>div:last-child{border-inline-end:0}
.kpis b{display:block;font-family:var(--fd);font-size:1.7rem;line-height:1.1}
.kpis span{color:var(--muted);font-size:.86rem}

/* tables */
.table-wrap{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse;font-size:.93rem}
.tbl th{text-align:start;color:var(--muted);font-weight:700;font-size:.82rem;padding:8px 10px;border-bottom:2px solid var(--line);white-space:nowrap}
.tbl td{padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tbody tr:hover{background:color-mix(in srgb,var(--paper) 70%,transparent)}
.rowlink{cursor:pointer}
.sorth{cursor:pointer;user-select:none}
.sorth[data-dir=asc]::after{content:' ▲'}.sorth[data-dir=desc]::after{content:' ▼'}
.pill{display:inline-block;font-size:.76rem;font-weight:800;padding:1px 8px;border-radius:99px;background:var(--paper);color:var(--muted);border:1px solid var(--line)}
.pill.ok{color:var(--ok);border-color:var(--ok)}.pill.bad{color:var(--bad);border-color:var(--bad)}.pill.warn{color:var(--warn);border-color:var(--warn)}
.lv{display:inline-flex;gap:2px;vertical-align:middle}
.lv i{width:9px;height:14px;border-radius:3px;background:var(--line)}
.lv i.on{background:var(--ok)}
.stars{color:var(--warn);font-weight:800}

/* share box */
.share{display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;background:#1E2A5A;color:#fff;border-radius:16px;padding:18px 22px;margin-bottom:18px}
.share .muted{color:#B8C4E6}
.bigcode{display:block;font-family:var(--fd);font-size:2.6rem;letter-spacing:.14em;color:var(--gold);line-height:1.1}
.copyrow{display:flex;gap:8px;margin-top:6px}
.copyrow input{background:#ffffff14;border-color:#ffffff30;color:#fff}
.share .btn{background:var(--gold);border-color:var(--gold);color:#3A2A00}
.share p{margin:.4rem 0 0}
.qr{background:#fff;padding:8px;border-radius:10px;line-height:0}
@media (max-width:760px){.share{grid-template-columns:1fr}.qr{justify-self:start}}

/* bars: hardest elements & level completion */
.hard{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.hard li{display:grid;grid-template-columns:44px minmax(80px,1fr) 2fr auto auto;gap:10px;align-items:center}
.hard .sym{display:grid;place-items:center;height:40px;border-radius:9px;background:#FFD95C;color:#1E2A5A;font-family:var(--fd);font-weight:800;font-size:1.1rem;border:2px solid #1E2A5A}
.barx{height:10px;background:var(--paper);border-radius:99px;overflow:hidden;display:block}
.barx i{display:block;height:100%;background:var(--bad);border-radius:99px}
.lc{display:flex;flex-direction:column;gap:8px}
.lc-row{display:grid;grid-template-columns:28px minmax(110px,1.2fr) 2fr auto;gap:4px 10px;align-items:center}
.lc-row small{grid-column:2/-1}
.lc-n{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--paper);font-weight:800}
.lc .barx i{background:var(--ok)}
@media (max-width:560px){.hard li{grid-template-columns:40px 1fr auto}.hard .barx,.hard small{display:none}}

.dl{margin:0;display:grid;gap:8px}
.dl div{display:grid;grid-template-columns:180px 1fr;gap:10px}
.dl dt{color:var(--muted)}.dl dd{margin:0;font-weight:700;overflow-wrap:anywhere}
.logo-prev{display:flex;align-items:center;gap:14px}
.logo-prev img{height:64px;max-width:180px;object-fit:contain;background:var(--paper);border-radius:10px;padding:6px}

/* auth pages */
body.auth{display:grid;place-items:center;padding:20px;background:var(--paper)}
.auth-box{width:min(420px,100%);background:var(--card);border:2px solid var(--ink);border-radius:20px;padding:26px;box-shadow:8px 8px 0 var(--ink)}
.auth-box .brandmark{margin-bottom:16px}
.auth-box h1{font-size:1.5rem;margin-bottom:4px}
.auth-box .form{margin-top:14px}
.auth-box p{margin:.4rem 0}
.checks{list-style:none;padding:0;margin:10px 0}
.checks li{padding:4px 0}.checks .ok span{color:var(--ok);font-weight:800}.checks .bad span{color:var(--bad);font-weight:800}