:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1c2430;
  --muted: #5d6877;
  --line: #e1e5eb;
  --accent: #1f6feb;
  --ok: #157f3c;
  --ok-bg: #e3f5e9;
  --bad: #c52b2b;
  --bad-bg: #fde7e7;
  --warn: #9a6100;
  --warn-bg: #fff2d6;
  --muted-bg: #eceff3;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1419;
    --panel: #171d24;
    --text: #e3e8ee;
    --muted: #93a0ae;
    --line: #29313b;
    --accent: #5aa2ff;
    --ok: #4cc77a;
    --ok-bg: #12321f;
    --bad: #ff6b6b;
    --bad-bg: #3a1717;
    --warn: #f0b44c;
    --warn-bg: #3a2a0d;
    --muted-bg: #222a33;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font: 13px ui-monospace, SFMono-Regular, Consolas, monospace; background: var(--muted-bg); padding: 1px 5px; border-radius: 4px; }

.top {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  background: var(--panel); border-bottom: 1px solid var(--line);
  padding: 10px 24px;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--text); font-size: 17px; }
.brand span, .login h1 span { color: var(--accent); font-weight: 600; }
.top nav { display: flex; gap: 4px; flex: 1; }
.top nav a, .me > a { padding: 6px 10px; border-radius: 6px; color: var(--muted); }
.top nav a.on, .me > a.on { background: var(--muted-bg); color: var(--text); }
.me { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.me form { margin: 0; }
button.link { background: none; border: 0; color: var(--accent); padding: 6px 4px; cursor: pointer; font: inherit; }

main { max-width: 1280px; margin: 0 auto; padding: 20px 24px 40px; }
footer { text-align: center; color: var(--muted); font-size: 12px; padding: 0 0 24px; }
h1 { font-size: 24px; margin: 6px 0 4px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
h2 { font-size: 16px; margin: 28px 0 10px; }
.sub, .crumbs { color: var(--muted); margin: 0 0 12px; }
.crumbs { font-size: 13px; margin-bottom: 2px; }
.empty { color: var(--muted); }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 16px 0 8px; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.tile b { display: block; font-size: 28px; line-height: 1.1; }
.tile b small { font-size: 15px; color: var(--muted); font-weight: 500; }
.tile span { color: var(--muted); font-size: 13px; }
.tile.bad { border-color: var(--bad); }
.tile.bad b { color: var(--bad); }
.tile.warn b { color: var(--warn); }

.scroll { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
td small, h1 + .sub small { display: block; color: var(--muted); font-size: 12px; }
td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; }
tr.done td { color: var(--muted); }

.pill { display: inline-block; padding: 1px 9px; border-radius: 99px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.muted { background: var(--muted-bg); color: var(--muted); }
h1 .pill { font-size: 13px; }
.bad-t { color: var(--bad); }
.warn-t { color: var(--warn); }
.muted-t { color: var(--muted); font-weight: 400; font-size: 13px; }

/* Last known state of a site or NVR that is not reporting: grey, never red or green. */
.notice { background: var(--warn-bg); color: var(--warn); padding: 9px 12px; border-radius: 8px; }
tr.stale td.n, tr.stale td.n .bad-t, tr.stale td.n .warn-t { color: var(--muted); }
.lastknown .pill { background: var(--muted-bg); color: var(--muted); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin: 0; }
dl.card { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; }
dl.card dt { color: var(--muted); font-size: 13px; }
dl.card dd { margin: 0; }
.card h2 { margin-top: 0; }

.filters a { margin-left: 8px; padding: 3px 8px; border-radius: 6px; }
.filters a.on { background: var(--muted-bg); color: var(--text); }

form label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
input { display: block; width: 100%; margin-top: 4px; padding: 9px 10px; font: inherit; color: var(--text);
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px; }
input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
form button[type=submit] { background: var(--accent); color: #fff; border: 0; border-radius: 8px; padding: 9px 18px; font: inherit; font-weight: 600; cursor: pointer; }
.error { background: var(--bad-bg); color: var(--bad); padding: 9px 12px; border-radius: 8px; }
.flash { background: var(--ok-bg); color: var(--ok); padding: 9px 12px; border-radius: 8px; }

.login { max-width: 380px; margin: 10vh auto 0; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 28px; }
.login h1 { font-size: 22px; }
.message { max-width: 560px; margin: 8vh auto 0; }

@media (max-width: 700px) {
  .top { padding: 10px 16px; gap: 10px; }
  .top nav { order: 3; flex-basis: 100%; }
  main { padding: 16px; }
  th, td { padding: 8px; }
}