/* TUA Back-to-School dashboard - shared by login and dashboard pages */
:root {
  color-scheme: light;
  --page: #f3f5f8;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --ink-3: #6b6a65;
  --line: #e1e0d9;
  --border: rgba(11, 11, 11, 0.10);
  --brand: #002d62;
  --brand-ink: #ffffff;
  --focus: #2a78d6;
  --danger-bg: #fdecec;
  --danger-ink: #8f1d1d;

  /* chart roles: diverging (negative / neutral / positive) */
  --neg: #e34948;  --on-neg: #0b0b0b;
  --mid: #c3c2b7;  --on-mid: #0b0b0b;
  --pos: #2a78d6;  --on-pos: #ffffff;

  /* sequential blue, low -> high */
  --s1: #cde2fb; --s2: #9ec5f4; --s3: #6da7ec; --s4: #3987e5; --s5: #256abf; --s6: #184f95; --s7: #0d366b;
  --on-s1: #0b0b0b; --on-s2: #0b0b0b; --on-s3: #0b0b0b; --on-s4: #0b0b0b;
  --on-s5: #ffffff; --on-s6: #ffffff; --on-s7: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0f1012;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --ink-3: #a3a29b;
    --line: #2c2c2a;
    --border: rgba(255, 255, 255, 0.10);
    --brand: #5bc5ee;
    --brand-ink: #002d62;
    --focus: #86b6ef;
    --danger-bg: #3a1717;
    --danger-ink: #ffb3b3;

    --neg: #e66767;  --on-neg: #0b0b0b;
    --mid: #55544f;  --on-mid: #ffffff;
    --pos: #3987e5;  --on-pos: #0b0b0b;

    /* low values recede toward the dark surface */
    --s1: #0d366b; --s2: #184f95; --s3: #256abf; --s4: #2a78d6; --s5: #5598e7; --s6: #86b6ef; --s7: #b7d3f6;
    --on-s1: #ffffff; --on-s2: #ffffff; --on-s3: #ffffff; --on-s4: #ffffff;
    --on-s5: #0b0b0b; --on-s6: #0b0b0b; --on-s7: #0b0b0b;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 15px/1.6 "Segoe UI", Tahoma, "Noto Sans Arabic", "Geeza Pro", system-ui, sans-serif;
}
h1, h2, h3 { line-height: 1.3; margin: 0; }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
[hidden] { display: none !important; }
.num { direction: ltr; unicode-bidi: isolate; display: inline-block; }

.logo-tile {
  background: #ffffff;
  border-radius: 12px;
  padding: 6px;
  display: flex;
  width: fit-content;
  flex: none;
}
.login-card .logo-tile { margin-inline: auto; }
.btn {
  border: 0;
  border-radius: 8px;
  padding: 10px 18px;
  background: var(--brand);
  color: var(--brand-ink);
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.12); }
.btn-ghost {
  background: transparent;
  color: var(--ink-2);
  border: 1px solid var(--border);
  padding: 8px 14px;
}

/* ---------- Login ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  text-align: center;
}
.login-card .logo-tile img { width: 120px; height: 120px; display: block; }
.login-card h1 { font-size: 20px; margin: 18px 0 4px; }
.login-card p.sub { color: var(--ink-2); margin: 0 0 24px; font-size: 14px; }
.field { text-align: start; margin-bottom: 14px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--page);
}
.login-card .btn { width: 100%; margin-top: 8px; padding: 12px; }
.alert {
  background: var(--danger-bg);
  color: var(--danger-ink);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 16px;
  font-size: 14px;
  text-align: start;
}

/* ---------- Dashboard shell ---------- */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.topbar-inner, main, footer { max-width: 1120px; margin: 0 auto; padding-inline: 16px; }
.topbar-inner { display: flex; align-items: center; gap: 14px; padding-block: 12px; }
.topbar .logo-tile { padding: 4px; border: 1px solid var(--border); }
.topbar .logo-tile img { width: 48px; height: 48px; display: block; }
.topbar .titles { flex: 1; min-width: 0; }
.topbar h1 { font-size: 18px; }
.topbar .meta { color: var(--ink-2); font-size: 13px; }
main { padding-block: 20px 8px; display: grid; gap: 16px; }
footer { color: var(--ink-3); font-size: 12.5px; padding-block: 8px 28px; }

.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 12px;
}
.filters label { display: grid; gap: 4px; font-size: 13px; color: var(--ink-2); font-weight: 600; }
.filters select {
  min-width: 170px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}
.filters .count { margin-inline-start: auto; color: var(--ink-2); font-size: 13px; align-self: center; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  min-width: 0;
}
.card h2 { font-size: 16px; }
.card .desc { color: var(--ink-2); font-size: 13px; margin: 2px 0 14px; }

/* ---------- KPI tiles ---------- */
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.kpi { display: grid; align-content: start; gap: 4px; }
.kpi .label { color: var(--ink-2); font-size: 14px; font-weight: 600; }
.kpi .value { font-size: 34px; font-weight: 650; line-height: 1.15; }
.kpi .value.na { font-size: 18px; color: var(--ink-3); font-weight: 600; padding-block: 8px; }
.kpi .note { color: var(--ink-3); font-size: 12.5px; }
.kpi .pair { display: flex; gap: 18px; align-items: end; }
.kpi .pair small { display: block; font-size: 12px; color: var(--ink-3); font-weight: 600; }
.kpi .pair .before { color: var(--ink-3); }
.kpi .arrow { color: var(--ink-3); font-size: 22px; padding-bottom: 6px; }
.badge {
  justify-self: start;
  font-size: 11.5px;
  color: var(--ink-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0 8px;
}

.grid-2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }

/* ---------- Legend ---------- */
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 13px; color: var(--ink-2); margin-bottom: 12px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.legend .neg, .seg.neg { background: var(--neg); color: var(--on-neg); }
.legend .mid, .seg.mid { background: var(--mid); color: var(--on-mid); }
.legend .pos, .seg.pos { background: var(--pos); color: var(--on-pos); }

/* ---------- 100% stacked bars ---------- */
.bars { display: grid; gap: 14px; }
.bar-row { display: grid; gap: 5px; }
.bar-row .row-label { font-size: 14px; display: flex; justify-content: space-between; gap: 8px; }
.bar-row .row-label .n { color: var(--ink-3); font-size: 12px; }
.stack { display: flex; gap: 2px; height: 24px; }
.seg {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  cursor: default;
}
.seg:last-child { border-start-end-radius: 4px; border-end-end-radius: 4px; }
.empty { color: var(--ink-3); font-size: 13px; padding: 4px 0; }

/* ---------- Scorecard heat table ---------- */
.heat { width: 100%; border-collapse: separate; border-spacing: 2px; font-size: 14px; }
.heat th { font-weight: 600; color: var(--ink-2); font-size: 13px; padding: 4px 6px; text-align: center; }
.heat th[scope="row"] { text-align: start; color: var(--ink); font-size: 14px; white-space: nowrap; }
.heat td { text-align: center; padding: 10px 6px; border-radius: 4px; font-weight: 650; font-variant-numeric: tabular-nums; }
.heat td small { display: block; font-weight: 400; font-size: 11.5px; opacity: 0.85; }
.heat td.blank { color: var(--ink-3); font-weight: 400; background: transparent; }
.heat td.s1 { background: var(--s1); color: var(--on-s1); }
.heat td.s2 { background: var(--s2); color: var(--on-s2); }
.heat td.s3 { background: var(--s3); color: var(--on-s3); }
.heat td.s4 { background: var(--s4); color: var(--on-s4); }
.heat td.s5 { background: var(--s5); color: var(--on-s5); }
.heat td.s6 { background: var(--s6); color: var(--on-s6); }
.heat td.s7 { background: var(--s7); color: var(--on-s7); }
.heat .flag { font-weight: 700; }
.heat-key { display: flex; align-items: center; gap: 2px; font-size: 12px; color: var(--ink-3); margin-bottom: 10px; }
.heat-key i { width: 22px; height: 10px; display: inline-block; }
.heat-key i:first-of-type { border-start-start-radius: 3px; border-end-start-radius: 3px; }
.heat-key i:last-of-type { border-start-end-radius: 3px; border-end-end-radius: 3px; }
.heat-key > span { padding-inline: 6px; }
.heat-key .s1 { background: var(--s1); } .heat-key .s2 { background: var(--s2); } .heat-key .s3 { background: var(--s3); }
.heat-key .s4 { background: var(--s4); } .heat-key .s5 { background: var(--s5); } .heat-key .s6 { background: var(--s6); }
.heat-key .s7 { background: var(--s7); }
.footnote { color: var(--ink-3); font-size: 12.5px; margin-top: 10px; }

/* ---------- Table view ---------- */
details { margin-top: 12px; font-size: 13px; }
details summary { cursor: pointer; color: var(--ink-2); }
.data-table { width: 100%; border-collapse: collapse; margin-top: 8px; font-variant-numeric: tabular-nums; }
.data-table th, .data-table td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: start; }
.data-table th { color: var(--ink-2); font-weight: 600; }
.table-scroll { overflow-x: auto; }

/* ---------- Tooltip ---------- */
#tip {
  position: fixed;
  z-index: 10;
  pointer-events: none;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--border);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.14);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  max-width: 240px;
}
#tip b { display: block; }
#tip span { color: var(--ink-2); }

.status-msg { text-align: center; color: var(--ink-2); padding: 48px 16px; }

@media (max-width: 900px) {
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-2 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 480px) {
  .kpis { gap: 10px; }
  .card { padding: 14px; }
  .kpi .value { font-size: 28px; }
  .kpi.wide { grid-column: span 2; }
  .filters select { min-width: 0; width: 100%; }
  .filters label { flex: 1 1 100%; }
  .filters .count { margin-inline-start: 0; }
  .topbar h1 { font-size: 15px; }
  .topbar .meta { font-size: 12px; }
}
@media (forced-colors: active) {
  .seg, .heat td, .legend i { forced-color-adjust: none; border: 1px solid CanvasText; }
}