:root {
  color-scheme: light;
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-2: #f8f9fb;
  --border: #e1e6ee;
  --ink: #1b2433;
  --ink-2: #4b5567;
  --muted: #6b7587;
  --brand: #263e64;
  --brand-ink: #ffffff;
  --accent: #2a78d6;
  --track: #cde2fb;
  --critical: #d03b3b;
  --warning: #fab219;
  --serious: #ec835a;
  --good: #0ca30c;
  --critical-bg: #fdecec;
  --warning-bg: #fff5dd;
  --good-bg: #e8f6e8;
  --info-bg: #eaf2fc;
  --focus: #2a78d6;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #121315; --surface: #1a1a19; --surface-2: #222321; --border: #33342f;
    --ink: #f0efec; --ink-2: #c3c2b7; --muted: #9b9a91; --brand: #3987e5; --accent: #3987e5;
    --track: #184f95; --critical-bg: #3a1e1e; --warning-bg: #3a2f14; --good-bg: #16301a; --info-bg: #182a40;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121315; --surface: #1a1a19; --surface-2: #222321; --border: #33342f;
  --ink: #f0efec; --ink-2: #c3c2b7; --muted: #9b9a91; --brand: #3987e5; --accent: #3987e5;
  --track: #184f95; --critical-bg: #3a1e1e; --warning-bg: #3a2f14; --good-bg: #16301a; --info-bg: #182a40;
  --shadow: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.hidden { display: none !important; }
h1, h2, h3 { margin: 0; line-height: 1.2; }
h1 { font-size: 22px; } h2 { font-size: 17px; } h3 { font-size: 14px; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.error { color: var(--critical); min-height: 1.2em; }
.num { font-variant-numeric: tabular-nums; text-align: right; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* ---------- login ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(380px, 100%); background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 28px; display: grid; gap: 12px; box-shadow: var(--shadow); }
.login-card label { display: grid; gap: 4px; font-weight: 600; font-size: 13px; }
.brand-mark { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 10px; background: var(--brand);
  color: var(--brand-ink); font-weight: 800; letter-spacing: .5px; }
.brand-mark.sm { width: 30px; height: 30px; font-size: 11px; border-radius: 8px; }

/* ---------- shell ---------- */
.shell { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.sidebar { background: var(--surface); border-right: 1px solid var(--border); display: flex; flex-direction: column; padding: 16px 12px;
  position: sticky; top: 0; height: 100vh; }
.brand { display: flex; gap: 10px; align-items: center; font-weight: 700; padding: 4px 8px 18px; }
#nav { display: grid; gap: 2px; }
#nav a { padding: 9px 12px; border-radius: 8px; color: var(--ink-2); text-decoration: none; font-weight: 500; }
#nav a:hover { background: var(--surface-2); }
#nav a.active { background: var(--info-bg); color: var(--ink); font-weight: 650; }
.sidebar-foot { margin-top: auto; display: grid; gap: 6px; }
.who { font-size: 12px; color: var(--muted); padding: 0 8px 6px; }
.who b { color: var(--ink); display: block; font-size: 13px; }
.main { padding: 20px 24px 60px; min-width: 0; }
.page-head { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; justify-content: space-between; margin-bottom: 14px; }
.page-head p { margin: 4px 0 0; }

/* ---------- controls ---------- */
.btn { border: 1px solid var(--border); background: var(--surface); color: var(--ink); padding: 7px 12px; border-radius: 8px;
  font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
.btn.primary:hover { filter: brightness(1.1); }
.btn.ghost { background: transparent; }
.btn.sm { padding: 4px 9px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
input, select, textarea { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--border);
  border-radius: 7px; padding: 6px 8px; min-width: 0; }
textarea { width: 100%; min-height: 64px; resize: vertical; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 10px; margin-bottom: 14px; }
.filters select, .filters input { max-width: 210px; }
.filters .grow { flex: 1 1 180px; max-width: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; background: var(--surface); padding: 6px 12px; font: inherit; color: var(--ink-2); cursor: pointer; }
.seg button.on { background: var(--brand); color: var(--brand-ink); font-weight: 600; }

/* ---------- cards / tiles ---------- */
.grid { display: grid; gap: 14px; }
.tiles { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); margin-bottom: 14px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow); min-width: 0; }
.card h2 { margin-bottom: 10px; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: 10px; }
.card-head h2 { margin: 0; }
.tile .label { color: var(--ink-2); font-size: 12.5px; }
.tile .value { font-size: 28px; font-weight: 650; margin-top: 2px; }
.tile .sub { color: var(--muted); font-size: 12px; }
.tile.hero .value { font-size: 48px; line-height: 1.05; }
.two-col { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); margin-bottom: 14px; align-items: start; }

/* meter */
.meter { display: flex; align-items: center; gap: 8px; min-width: 110px; }
.meter .bar { flex: 1; height: 8px; background: var(--track); border-radius: 4px; overflow: hidden; position: relative; }
.meter .bar i { position: absolute; inset: 0 auto 0 0; background: var(--accent); border-radius: 4px; }
.meter .bar b { position: absolute; top: -3px; bottom: -3px; width: 2px; background: var(--ink); opacity: .55; }
.meter span { font-variant-numeric: tabular-nums; min-width: 42px; text-align: right; color: var(--ink); font-size: 12.5px; }

/* tier & flags */
.tier { display: inline-flex; align-items: center; gap: 5px; font-weight: 600; font-size: 12px; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.tier::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.tier.High { background: var(--critical-bg); color: var(--ink); } .tier.High::before { background: var(--critical); }
.tier.Medium { background: var(--warning-bg); color: var(--ink); } .tier.Medium::before { background: var(--warning); }
.tier.Low { background: var(--good-bg); color: var(--ink); } .tier.Low::before { background: var(--good); }
.tier.Inactive { background: var(--surface-2); color: var(--muted); } .tier.Inactive::before { background: var(--muted); }
.chip { display: inline-block; font-size: 11.5px; padding: 1px 7px; border-radius: 999px; background: var(--surface-2);
  border: 1px solid var(--border); color: var(--ink-2); margin: 1px 2px 1px 0; white-space: nowrap; }
.chip.high { border-color: var(--critical); }
.chip.medium { border-color: var(--warning); }
.stack { display: flex; height: 12px; border-radius: 4px; overflow: hidden; gap: 2px; background: var(--surface); }
.stack i { display: block; height: 100%; border-radius: 4px; }
.legend { display: flex; gap: 12px; flex-wrap: wrap; font-size: 12px; color: var(--ink-2); margin-top: 6px; }
.legend span::before { content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 5px; background: var(--c); }

/* radar */
.radar { display: grid; gap: 6px; }
.radar button { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; text-align: left; border: 1px solid var(--border);
  background: var(--surface); border-radius: 8px; padding: 8px 10px; cursor: pointer; font: inherit; color: var(--ink); }
.radar button:hover, .radar button.on { background: var(--info-bg); }
.radar .sev { font-size: 11px; color: var(--muted); }
.radar .count { font-weight: 700; font-variant-numeric: tabular-nums; font-size: 16px; }

/* campus cards */
.campuses { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); margin-bottom: 14px; }
.campus-card { cursor: pointer; }
.campus-card.on { outline: 2px solid var(--accent); }
.campus-card .big { font-size: 26px; font-weight: 650; }
.campus-card dl { display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; margin: 8px 0 0; font-size: 12.5px; }
.campus-card dt { color: var(--ink-2); } .campus-card dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.empty { color: var(--muted); font-size: 12.5px; padding: 6px 0; }

/* table */
.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); max-height: 70vh; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { position: sticky; top: 0; background: var(--surface-2); font-size: 12px; color: var(--ink-2); font-weight: 650; z-index: 1;
  cursor: pointer; user-select: none; white-space: nowrap; }
th.sorted::after { content: " ▾"; } th.sorted.asc::after { content: " ▴"; }
tbody tr:hover { background: var(--surface-2); }
tr.clickable { cursor: pointer; }
td .sub { display: block; color: var(--muted); font-size: 11.5px; }
td select, td input { font-size: 12.5px; padding: 3px 5px; max-width: 170px; }
td.notes-cell { min-width: 220px; }
td.notes-cell textarea { min-height: 38px; font-size: 12.5px; }
.pager { display: flex; justify-content: space-between; align-items: center; padding: 8px 2px; color: var(--muted); font-size: 12.5px; }
.saved { outline: 2px solid var(--good); transition: outline-color 1.2s; }

/* drawer */
.drawer { position: fixed; inset: 0; z-index: 20; }
.drawer-backdrop { position: absolute; inset: 0; background: rgba(10, 15, 25, .45); }
.drawer-panel { position: absolute; right: 0; top: 0; bottom: 0; width: min(860px, 100%); background: var(--bg); overflow-y: auto;
  padding: 18px 20px 40px; box-shadow: -8px 0 24px rgba(0,0,0,.18); }
.drawer h1 { font-size: 20px; }
.kv { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 8px 16px; margin: 10px 0; }
.kv div { font-size: 12.5px; color: var(--ink-2); } .kv b { display: block; color: var(--ink); font-size: 13.5px; font-weight: 600; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px; }
.form-grid label { display: grid; gap: 3px; font-size: 12px; font-weight: 600; color: var(--ink-2); }
.timeline { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.timeline li { border-left: 3px solid var(--accent); padding: 2px 0 2px 10px; }
.timeline .meta { font-size: 11.5px; color: var(--muted); }
.section { margin-top: 14px; }
.notice { background: var(--info-bg); border-radius: 10px; padding: 10px 12px; font-size: 13px; }
.notice.warn { background: var(--warning-bg); }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px;
  border-radius: 10px; z-index: 40; max-width: min(560px, calc(100% - 32px)); }
.dropzone { border: 2px dashed var(--border); border-radius: 12px; padding: 18px; text-align: center; background: var(--surface-2); }
.dropzone.over { border-color: var(--accent); background: var(--info-bg); }
pre.warnings { white-space: pre-wrap; font-size: 12px; max-height: 220px; overflow: auto; background: var(--surface-2); padding: 8px; border-radius: 8px; }
.status-pill { font-size: 11.5px; padding: 1px 8px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); }
.status-pill.open { border-color: var(--critical); } .status-pill.verified, .status-pill.resolved { border-color: var(--good); }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 8px; padding: 10px 16px; }
  .brand { padding: 0; } #nav { display: flex; flex-wrap: wrap; } .sidebar-foot { margin: 0 0 0 auto; display: flex; }
  .who { display: none; }
  .main { padding: 14px 16px 40px; }
  .two-col { grid-template-columns: 1fr; }
  .tile.hero .value { font-size: 38px; }
}

td.w-name { min-width: 180px; }
td.w-course { min-width: 200px; }
td.actions .btn-row { flex-wrap: nowrap; }

/* ---------- test version ---------- */
.main-col { min-width: 0; display: flex; flex-direction: column; }
.test-banner { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; justify-content: space-between;
  background: var(--warning-bg); border-bottom: 1px solid var(--warning); padding: 8px 24px; font-size: 13px; }
.test-note { background: var(--warning-bg); border: 1px solid var(--warning); border-radius: 10px; padding: 10px 12px; font-size: 12.5px; }
.test-note ul { margin: 6px 0 0; padding-left: 0; list-style: none; display: grid; gap: 3px; }
.test-note button { border: 0; background: none; color: var(--accent); cursor: pointer; padding: 0; font: inherit; text-decoration: underline; }
.fab { position: fixed; right: 18px; bottom: 18px; z-index: 25; border: 0; border-radius: 999px; padding: 11px 16px;
  background: var(--brand); color: var(--brand-ink); font: inherit; font-weight: 650; cursor: pointer; box-shadow: 0 4px 14px rgba(0,0,0,.25); }
.modal { position: fixed; inset: 0; z-index: 30; display: grid; place-items: center; padding: 16px; }
.modal-card { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px 20px;
  width: min(560px, 100%); max-height: calc(100vh - 32px); overflow-y: auto; display: grid; gap: 10px; }
.modal-card label { display: grid; gap: 4px; font-size: 12.5px; font-weight: 600; color: var(--ink-2); }
.rating { display: flex; gap: 6px; }
.rating button { width: 40px; height: 36px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--ink); font: inherit; cursor: pointer; }
.rating button.on { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.tasks { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.tasks label { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--ink); font-size: 13.5px; }
.tasks input { margin-top: 3px; }
@media (max-width: 900px) { .test-banner { padding: 8px 16px; } .fab { right: 12px; bottom: 12px; } }

/* ---------- to contact */
.nav-count { display: inline-block; min-width: 20px; padding: 0 6px; margin-left: 6px; border-radius: 999px; background: var(--critical);
  color: #fff; font-size: 11px; font-weight: 700; text-align: center; line-height: 18px; }
.overdue { color: var(--critical); font-weight: 600; }
.contact-list { display: flex; flex-direction: column; }
.contact-row { display: grid; grid-template-columns: minmax(200px, 1.1fr) minmax(220px, 2fr) auto; gap: 10px 16px; align-items: center;
  padding: 10px 2px; border-top: 1px solid var(--border); transition: opacity .35s, transform .35s; }
.contact-row:first-child { border-top: 0; }
.contact-row.done { opacity: 0; transform: translateX(16px); }
.contact-row .who-col b { margin-left: 4px; }
.contact-row .sub, .contact-row .why-col .sub { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }
.contact-row .why-col { font-size: 13px; color: var(--ink-2); }
.contact-row .act-col { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.email-preview { border: 1px solid var(--border); border-radius: 8px; padding: 12px; background: #fff; color: #111827; max-height: 60vh; overflow: auto; }
@media (max-width: 760px) {
  .contact-row { grid-template-columns: 1fr; }
  .contact-row .act-col { justify-content: flex-start; }
}

/* ---------- intervention workflow */
.steps { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 6px; padding: 0; margin: 0 0 10px; }
.steps li { border: 1px solid var(--border); border-radius: 8px; padding: 6px 8px; font-size: 12px; color: var(--muted); background: var(--surface-2); }
.steps li b { display: block; color: var(--ink); font-size: 12.5px; }
.steps li.done { border-color: var(--good); background: var(--good-bg); }
.steps li.current { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.form-grid label.check { display: flex; flex-direction: row; align-items: center; gap: 6px; font-weight: 400; }
.doc-list { list-style: none; padding: 0; margin: 0 0 8px; display: flex; flex-direction: column; gap: 6px; }
.doc-list .sub { display: block; font-size: 12px; color: var(--muted); }