/* Tokens: dataviz reference palette (light + dark selected, not flipped). Series: 1 Uber blue, 2 Bolt orange,
   3 Other aqua. Status colours are reserved and always paired with an icon + label. */
:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --good: #0ca30c;
  --good-text: #006300;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --accent: #2a78d6;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
    --good-text: #0ca30c;
    --accent: #3987e5;
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--page); color: var(--ink); font-size: 15px; line-height: 1.45; }
h1, h2 { margin: 0 0 12px; font-weight: 600; }
h2 { font-size: 16px; }
code { font-size: 13px; }
.muted { color: var(--ink-2); }
.small { font-size: 13px; }
button { font: inherit; }

/* top bar */
.topbar { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 12px 24px; background: var(--surface); border-bottom: 1px solid var(--border); }
.brand { font-weight: 700; }
.tenant { display: flex; align-items: center; gap: 8px; color: var(--ink-2); font-size: 14px; }
.tenant select { font: inherit; color: var(--ink); background: var(--page); border: 1px solid var(--border); border-radius: 6px; padding: 4px 8px; max-width: 60vw; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 16px; font-size: 13px; }
.topbar form { margin: 0; }
.link { background: none; border: 0; color: var(--accent); cursor: pointer; padding: 0; }

main { max-width: 1200px; margin: 0 auto; padding: 24px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 20px; margin-top: 16px; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 16px; }
.grid-2 .card { margin-top: 16px; }
.empty { color: var(--ink-2); }

/* hero + tiles */
.hero { display: grid; grid-template-columns: minmax(260px, 1fr) 2fr; gap: 24px; align-items: end; }
.eyebrow { margin: 0; color: var(--ink-2); font-size: 14px; }
.hero-figure { margin: 4px 0; font-size: 48px; font-weight: 600; line-height: 1.1; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; }
.tile-label { color: var(--ink-2); font-size: 13px; }
.tile-value { font-size: 24px; font-weight: 600; margin-top: 2px; }
.tile-sub { color: var(--muted); font-size: 12px; }

/* alerts (status = icon + label + colour, never colour alone) */
.alerts { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.alerts li { display: flex; gap: 10px; align-items: flex-start; }
.status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; white-space: nowrap; color: var(--ink); }
.status::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--dot); flex: none; }
.status-critical { --dot: var(--critical); }
.status-serious { --dot: var(--serious); }
.status-warning { --dot: var(--warning); }
.status-good { --dot: var(--good); }
.status-neutral { --dot: var(--muted); }

/* legend + chart */
.legend { display: flex; gap: 16px; list-style: none; margin: 0; padding: 0; font-size: 13px; color: var(--ink-2); }
.legend li { display: flex; align-items: center; gap: 6px; }
.swatch { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.chart { width: 100%; overflow-x: auto; }
.chart svg { display: block; }
.chart .grid line { stroke: var(--grid); stroke-width: 1; }
.chart .baseline { stroke: var(--axis); stroke-width: 1; }
.chart text { fill: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.chart .label { fill: var(--ink-2); }
.chart .hit { fill: transparent; cursor: default; }
.chart .hit:hover { fill: var(--grid); fill-opacity: 0.35; }
.s-Uber { fill: var(--series-1); background: var(--series-1); }
.s-Bolt { fill: var(--series-2); background: var(--series-2); }
.s-Other { fill: var(--series-3); background: var(--series-3); }

.tooltip { position: fixed; z-index: 10; pointer-events: none; background: var(--surface); color: var(--ink); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; font-size: 13px; box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12); min-width: 180px; }
.tooltip .tt-title { font-weight: 600; margin-bottom: 4px; }
.tooltip .tt-row { display: flex; align-items: center; gap: 6px; justify-content: space-between; font-variant-numeric: tabular-nums; }
.tooltip .tt-row span:first-child { display: flex; align-items: center; gap: 6px; color: var(--ink-2); }

/* tables */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { padding: 7px 10px; text-align: left; border-bottom: 1px solid var(--grid); white-space: nowrap; }
th { color: var(--ink-2); font-weight: 600; font-size: 12px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.dim td { color: var(--muted); }
td.wrap { white-space: normal; min-width: 160px; }

/* login */
body.login { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 28px; width: min(360px, 100%); }
.login-card h1 { font-size: 20px; }
.login-card form { display: grid; gap: 12px; margin-top: 16px; }
.login-card label { display: grid; gap: 4px; font-size: 13px; color: var(--ink-2); }
.login-card input { font: inherit; color: var(--ink); background: var(--page); border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; }
.login-card button { background: var(--accent); color: #fff; border: 0; border-radius: 6px; padding: 9px; font-weight: 600; cursor: pointer; }
.login-error { color: var(--critical); font-weight: 600; }

@media (max-width: 720px) {
  .hero { grid-template-columns: 1fr; }
  main { padding: 16px; }
  .topbar { padding: 12px 16px; }
  .hero-figure { font-size: 36px; }
}