:root {
  color-scheme: light;
  --page: #f9f9f7; --surface: #fcfcfb; --card: #ffffff;
  --ink: #0b0b0b; --ink-2: #52514e; --muted: #898781;
  --grid: #e1e0d9; --axis: #c3c2b7; --border: rgba(11,11,11,0.10);
  --s1: #2a78d6; --s2: #eb6834;
  --good: #0ca30c; --warning: #fab219; --serious: #ec835a; --critical: #d03b3b;
  --good-ink: #006300; --accent: #2a78d6;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --card: #1a1a19;
    --ink: #f0efec; --ink-2: #c3c2b7; --muted: #898781;
    --grid: #2c2c2a; --axis: #383835; --border: rgba(255,255,255,0.10);
    --s1: #3987e5; --s2: #d95926; --good-ink: #0ca30c; --accent: #3987e5;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --card: #1a1a19;
  --ink: #f0efec; --ink-2: #c3c2b7; --muted: #898781;
  --grid: #2c2c2a; --axis: #383835; --border: rgba(255,255,255,0.10);
  --s1: #3987e5; --s2: #d95926; --good-ink: #0ca30c; --accent: #3987e5;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--page); color: var(--ink); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 16px; }
header.top { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; justify-content: space-between; }
h1 { font-size: 20px; margin: 0; }
.sub { color: var(--ink-2); font-size: 13px; }
h2 { font-size: 16px; margin: 24px 0 8px; }
h3 { font-size: 14px; margin: 0 0 6px; }
nav.tabs { display: flex; gap: 4px; margin-top: 12px; border-bottom: 1px solid var(--border); }
nav.tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 8px 12px; color: var(--ink-2); font: inherit; cursor: pointer; }
nav.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.meta { color: var(--muted); font-size: 12px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
button.btn { font: inherit; padding: 6px 12px; border-radius: 6px; border: 1px solid var(--border); background: var(--card); color: var(--ink); cursor: pointer; }
button.btn:hover { border-color: var(--axis); }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; min-width: 0; }
.card .row { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; }
.badge { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 13px; }
.badge::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--muted); flex: none; }
.badge.healthy::before { background: var(--good); }
.badge.degraded::before { background: var(--warning); }
.badge.down::before { background: var(--critical); }
.badge .ico { font-size: 12px; }
.small { font-size: 12px; color: var(--ink-2); }
.err { font-size: 12px; color: var(--critical); margin-top: 4px; overflow-wrap: anywhere; }
details.checks summary { cursor: pointer; font-size: 12px; color: var(--muted); margin-top: 6px; }
details.checks ul { margin: 4px 0 0; padding-left: 18px; font-size: 12px; color: var(--ink-2); }
.stats { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.stat .v { font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.stat .l { font-size: 12px; color: var(--ink-2); }
.tip { border-bottom: 1px dotted var(--muted); cursor: help; }
.warnings { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 6px; }
.warnings li { padding: 8px 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--card); display: flex; gap: 8px; }
.warnings li.crit { border-left: 4px solid var(--critical); }
.warnings li.warn { border-left: 4px solid var(--warning); }
.stale-banner { display: none; margin-top: 12px; padding: 8px 12px; border-radius: 8px; background: var(--card); border: 1px solid var(--critical); }
.stale-banner.show { display: block; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--grid); }
th { color: var(--ink-2); font-weight: 600; font-size: 12px; }
td.num, th.num { text-align: right; }
.empty { color: var(--muted); padding: 12px 0; }
.unavail { color: var(--ink-2); background: var(--surface); border: 1px dashed var(--axis); border-radius: 8px; padding: 10px 12px; }
.ranges { display: flex; gap: 4px; flex-wrap: wrap; }
.ranges button { font: inherit; font-size: 12px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border); background: var(--card); color: var(--ink-2); cursor: pointer; }
.ranges button[aria-pressed="true"] { background: var(--ink); color: var(--card); border-color: var(--ink); }
.charts { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }
.chart { position: relative; }
.chart svg { display: block; max-width: 100%; overflow: visible; }
.chart .legend { display: flex; gap: 12px; font-size: 12px; color: var(--ink-2); margin-bottom: 4px; }
.chart .legend i { display: inline-block; width: 14px; height: 2px; vertical-align: middle; margin-right: 4px; }
.chart .nodata { position: absolute; inset: 40px 0 0; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 12px; }
.tooltip { position: absolute; pointer-events: none; background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; font-size: 12px; box-shadow: 0 2px 8px rgba(0,0,0,.12); white-space: nowrap; z-index: 2; }
.tooltip b { font-variant-numeric: tabular-nums; }
.tooltip .k { display: inline-block; width: 10px; height: 2px; vertical-align: middle; margin-right: 4px; }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.toggle { font-size: 12px; color: var(--ink-2); display: inline-flex; gap: 6px; align-items: center; }
.collectors td { font-size: 12px; }
.hidden { display: none !important; }
/* login */
.login { max-width: 360px; margin: 12vh auto; padding: 0 16px; }
.login form { display: grid; gap: 10px; background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 18px; }
.login label { display: grid; gap: 4px; font-size: 13px; color: var(--ink-2); }
.login input { font: inherit; padding: 8px 10px; border: 1px solid var(--axis); border-radius: 6px; background: var(--surface); color: var(--ink); }
.login button { padding: 9px; background: var(--accent); color: #fff; border: 0; border-radius: 6px; font: inherit; font-weight: 600; cursor: pointer; }
.login .msg { color: var(--critical); font-size: 13px; min-height: 1.2em; }
@media (max-width: 520px) {
  .charts { grid-template-columns: 1fr; }
  .stat .v { font-size: 18px; }
  th, td { padding: 6px 4px; }
}
.mt { margin-top: 12px; }