:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1c2330;
  --muted: #6a7385;
  --line: #dfe3ea;
  --accent: #1f6feb;
  --crit: #c62828;
  --crit-bg: #fdecea;
  --warn: #9a6700;
  --warn-bg: #fff4d6;
  --ok: #1b7f3b;
  --ok-bg: #e7f6ec;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161d;
    --panel: #1a2029;
    --text: #e3e8ef;
    --muted: #8d97a8;
    --line: #2c3440;
    --accent: #58a6ff;
    --crit: #ff6b6b;
    --crit-bg: #3a1d1f;
    --warn: #e3b341;
    --warn-bg: #3a2f14;
    --ok: #56d364;
    --ok-bg: #16301d;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.4rem; margin: 0 0 .8rem; }
h2 { font-size: 1.1rem; margin: 1.6rem 0 .6rem; }
.muted { color: var(--muted); }
.small { font-size: .85em; font-weight: normal; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .95em; }
.nowrap { white-space: nowrap; }
.wrap { word-break: break-all; }
.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }

header.top {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: .6rem 1.2rem;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); }
header nav { display: flex; gap: .2rem; flex-wrap: wrap; flex: 1; }
header nav a, .who a { padding: .3rem .6rem; border-radius: 6px; color: var(--text); }
header nav a.on, .who a.on { background: var(--bg); font-weight: 600; }
.who { display: flex; align-items: center; gap: .4rem; }
.who form { margin: 0; }

main { padding: 1.2rem; max-width: 1500px; margin: 0 auto; }
main.narrow { max-width: 360px; margin-top: 12vh; }

input, select, button {
  font: inherit;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: .35rem .55rem;
}
button { cursor: pointer; background: var(--accent); border-color: var(--accent); color: #fff; }
button.small { padding: .15rem .45rem; font-size: .85em; background: var(--panel); color: var(--text); border-color: var(--line); }
button.link { background: none; border: none; color: var(--accent); padding: .3rem .4rem; }
.stack { display: flex; flex-direction: column; gap: .8rem; }
.stack label { display: flex; flex-direction: column; gap: .25rem; }
.narrow-form { max-width: 320px; }
.filters { display: flex; flex-wrap: wrap; gap: .6rem; align-items: end; margin-bottom: 1rem; }
.filters label { display: flex; flex-direction: column; gap: .2rem; font-size: .85em; color: var(--muted); }
form.inline { display: inline; margin: 0; }

.error, .ok { padding: .5rem .8rem; border-radius: 6px; }
.error { background: var(--crit-bg); color: var(--crit); }
.ok { background: var(--ok-bg); color: var(--ok); word-break: break-all; }
.warn-text { color: var(--warn); }

table.data {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
}
table.data th, table.data td { padding: .35rem .6rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.data th { font-weight: 600; color: var(--muted); font-size: .85em; background: var(--bg); }
table.data tr:last-child td { border-bottom: none; }
tr.off td { color: var(--muted); }
details summary { cursor: pointer; }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: .1rem .8rem; margin: .4rem 0 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; word-break: break-all; }

.badge { display: inline-block; padding: .05rem .45rem; border-radius: 999px; font-size: .8em; background: var(--bg); border: 1px solid var(--line); white-space: nowrap; }
.badge.crit { background: var(--crit-bg); color: var(--crit); border-color: transparent; }
.badge.warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .8rem; margin-bottom: 1rem; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: .8rem 1rem; }
.tile .n { font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.tile .l { color: var(--muted); font-size: .9em; }
.tile.crit { border-color: var(--crit); }
.tile.crit .n { color: var(--crit); }
.tile.warn .n { color: var(--warn); }

.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 1.2rem; }
.cols h2 { margin-top: .6rem; }

@media (max-width: 700px) {
  main { padding: .8rem; }
  .cols { grid-template-columns: 1fr; }
  table.data { display: block; overflow-x: auto; }
}