/* Classwise LMS — the platform console (super administrators). Built on artlms.css
   tokens; everything here is prefixed pf- so it never leaks into a school. */
.pf-body { background: var(--canvas); color: var(--ink); min-height: 100vh;
  /* The operator console's own bar colours: deliberately dark, so nobody mistakes
     this console for a school's pages. (artlms.css's --dk tokens are light.) */
  --pf-bar: #111827; --pf-bar-raised: #1F2937; --pf-bar-ink: #F9FAFB; --pf-bar-muted: #9CA3AF; }
.pf-top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: var(--s3);
  padding: 0 var(--s5); height: 56px; background: var(--pf-bar); color: var(--pf-bar-ink); }
.pf-brand { display: flex; align-items: center; gap: .6rem; font-weight: 600; color: #fff; text-decoration: none; }
.pf-brand .pf-logo { width: 28px; height: 28px; border-radius: 7px; background: var(--accent); display: grid; place-items: center; font-size: .8rem; }
.pf-brand small { font-weight: 500; color: var(--pf-bar-muted); letter-spacing: .04em; text-transform: uppercase; font-size: .68rem; }
.pf-top nav { display: flex; gap: 2px; margin-inline-start: var(--s4); }
.pf-top nav a { color: var(--pf-bar-muted); text-decoration: none; padding: .45rem .75rem; border-radius: 7px; font-size: .88rem; }
.pf-top nav a:hover { color: #fff; background: var(--pf-bar-raised); }
.pf-top nav a.on { color: #fff; background: var(--pf-bar-raised); }
.pf-top .grow { flex: 1; }
.pf-who { font-size: .82rem; color: var(--pf-bar-muted); }
.pf-who b { color: #fff; font-weight: 500; }
.pf-top form button { background: none; border: 1px solid #374151; color: var(--pf-bar-muted); border-radius: 7px; padding: .3rem .7rem; font: inherit; font-size: .8rem; cursor: pointer; }
.pf-top form button:hover { color: #fff; }
.pf-main { max-width: 1320px; margin: 0 auto; padding: var(--s5); }
.pf-head { display: flex; align-items: flex-end; gap: var(--s3); flex-wrap: wrap; margin-bottom: var(--s4); }
.pf-head h1 { font-size: 1.5rem; margin: 0; }
.pf-head .kicker { display: block; margin-bottom: 2px; }
.pf-head .grow { flex: 1; }
.pf-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: var(--s3); margin-bottom: var(--s4); }
.pf-kpi { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: var(--s3) var(--s4); }
.pf-kpi b { display: block; font-size: 1.6rem; font-weight: 600; line-height: 1.2; }
.pf-kpi span { color: var(--muted); font-size: .82rem; }
.pf-kpi.warn b { color: var(--warn); } .pf-kpi.bad b { color: var(--danger); }
.pf-card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; margin-bottom: var(--s4); overflow: hidden; }
.pf-card > h2, .pf-card-head { display: flex; align-items: center; gap: var(--s2); margin: 0; padding: var(--s3) var(--s4); border-bottom: 1px solid var(--line); font-size: 1rem; }
.pf-card-head .grow { flex: 1; }
.pf-card .pf-pad { padding: var(--s4); }
.pf-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.pf-table th { text-align: start; font-weight: 500; color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; padding: .6rem var(--s3); border-bottom: 1px solid var(--line); background: var(--subtle); white-space: nowrap; }
.pf-table td { padding: .7rem var(--s3); border-bottom: 1px solid var(--hairline, var(--line)); vertical-align: middle; }
.pf-table tr:last-child td { border-bottom: 0; }
.pf-table td.num, .pf-table th.num { text-align: end; font-variant-numeric: tabular-nums; }
.pf-table a.pf-school { font-weight: 600; color: var(--ink); text-decoration: none; }
.pf-table a.pf-school:hover { color: var(--accent); }
.pf-table small { display: block; color: var(--muted); }
.pf-grid2 { display: grid; grid-template-columns: 2fr 1fr; gap: var(--s4); }
@media (max-width: 960px) { .pf-grid2 { grid-template-columns: 1fr; } .pf-top nav { display: none; } }
.pf-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s3) var(--s4); }
.pf-form label { display: flex; flex-direction: column; gap: 4px; font-size: .82rem; color: var(--muted); }
.pf-form label.full { grid-column: 1 / -1; }
.pf-form input[type=text], .pf-form input[type=email], .pf-form input[type=password] { height: 36px; border: 1px solid var(--line-strong); border-radius: 8px; padding: 0 .7rem; font: inherit; color: var(--ink); background: var(--surface); }
.pf-form input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--ring); }
.pf-form .check { flex-direction: row; align-items: center; gap: .5rem; color: var(--ink); }
.pf-form .hint { font-size: .75rem; color: var(--faint, var(--muted)); }
.pf-actions { display: flex; gap: var(--s2); flex-wrap: wrap; align-items: center; }
.pf-actions form { margin: 0; }
.pf-secret { font-family: "IBM Plex Mono", ui-monospace, monospace; background: var(--subtle); border: 1px dashed var(--line-strong); border-radius: 8px; padding: .5rem .8rem; display: inline-block; font-size: 1rem; }
.pf-dl { display: grid; grid-template-columns: max-content 1fr; gap: .45rem var(--s4); margin: 0; font-size: .9rem; }
.pf-dl dt { color: var(--muted); }
.pf-dl dd { margin: 0; }
.pf-flash { margin-bottom: var(--s3); }
.pf-login { max-width: 400px; margin: 12vh auto; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: var(--s5); }
.pf-login h1 { font-size: 1.3rem; margin: .2rem 0 1rem; }
.pf-login .pf-form { grid-template-columns: 1fr; }
.pf-muted { color: var(--muted); font-size: .85rem; }
.pf-bar { height: 6px; background: var(--subtle-2); border-radius: 99px; overflow: hidden; min-width: 70px; }
.pf-bar i { display: block; height: 100%; background: var(--accent); }