:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #eef0f3;
  --text: #1c2330;
  --muted: #667085;
  --border: #d9dde3;
  --accent: #2458d6;
  --ok: #1a7f37;
  --warn: #b35900;
  --bad: #c62828;
  --unknown: #7a808a;
  --ok-bg: #e6f4ea;
  --warn-bg: #fff4e0;
  --bad-bg: #fdecea;
  --unknown-bg: #eceef1;
  --mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b;
    --surface: #1a1f27;
    --surface-2: #232a34;
    --text: #e6e9ee;
    --muted: #98a2b3;
    --border: #2f3743;
    --accent: #6d95ff;
    --ok: #4cc16a;
    --warn: #f0a33a;
    --bad: #ff6b61;
    --unknown: #98a2b3;
    --ok-bg: #173323;
    --warn-bg: #3a2a12;
    --bad-bg: #3d1a1a;
    --unknown-bg: #262c35;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

h1 { font-size: 20px; margin: 0 0 16px; }
h2 { font-size: 16px; margin: 24px 0 10px; }
h3 { font-size: 14px; margin: 0 0 8px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
  height: 52px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; letter-spacing: .02em; }
.tabs { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.tabs a {
  padding: 6px 12px;
  border-radius: 6px;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}
.tabs a:hover { background: var(--surface-2); color: var(--text); }
.tabs a.active { background: var(--surface-2); color: var(--text); font-weight: 600; }
.session { display: flex; align-items: center; gap: 12px; white-space: nowrap; }

main { padding: 20px; max-width: 1500px; margin: 0 auto; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}
.card.narrow { max-width: 360px; margin: 10vh auto 0; display: grid; gap: 12px; }
.card.narrow label { display: grid; gap: 4px; }

.grid { display: grid; gap: 16px; }
.grid.servers { grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); }
.grid.domains { grid-template-columns: repeat(auto-fill, minmax(460px, 1fr)); }

.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: var(--mono); font-size: 12px; }
.error { color: var(--bad); }
.pos { color: var(--ok); }
.neg { color: var(--bad); }

.badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--unknown-bg);
  color: var(--unknown);
  white-space: nowrap;
}
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }

.banner {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.banner.bad { background: var(--bad-bg); color: var(--bad); border: 1px solid var(--bad); }
.banner.warn { background: var(--warn-bg); color: var(--warn); border: 1px solid var(--warn); }

dl.facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 4px 16px;
  margin: 8px 0 0;
}
dl.facts dt { color: var(--muted); }
dl.facts dd { margin: 0; overflow-wrap: anywhere; }

.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; margin: 12px 0; }
.kpi { background: var(--surface-2); border-radius: 8px; padding: 8px 10px; }
.kpi .label { color: var(--muted); font-size: 12px; }
.kpi .value { font-size: 18px; font-weight: 600; font-variant-numeric: tabular-nums; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; background: var(--surface-2); position: sticky; top: 0; }
td { font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: 0; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--surface-2); }
td.num, th.num { text-align: right; }
td.wrap { white-space: pre-wrap; overflow-wrap: anywhere; }
pre.fields {
  margin: 0;
  padding: 8px;
  background: var(--surface-2);
  border-radius: 6px;
  font: 12px/1.4 var(--mono);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.services { margin-top: 12px; border-top: 1px solid var(--border); padding-top: 8px; }
.services .svc { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; padding: 3px 0; align-items: center; }

.lvl-DEBUG { color: var(--muted); }
.lvl-WARNING { color: var(--warn); font-weight: 600; }
.lvl-ERROR, .lvl-CRITICAL { color: var(--bad); font-weight: 600; }

input, select, textarea, button {
  font: inherit;
  color: inherit;
}
input, select, textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 8px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
button {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 12px;
  cursor: pointer;
}
button:hover { border-color: var(--muted); }
button:disabled { opacity: .5; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
button.link { background: none; border: 0; color: var(--accent); padding: 0; }

.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.filters input[type=search] { min-width: 240px; }

.subtabs { display: flex; gap: 4px; flex-wrap: wrap; margin: 16px 0 8px; }
.subtabs button.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.settings-table td.key { width: 26%; }
.settings-table td.key .name { font-family: var(--mono); font-weight: 600; }
.settings-table input, .settings-table select { width: 100%; min-width: 110px; }
.settings-table .dirty input, .settings-table .dirty select { border-color: var(--warn); background: var(--warn-bg); }
.settings-table .stored-mark { font-size: 11px; color: var(--accent); }
.settings-table td.scope { width: 24%; }
.savebar {
  position: sticky;
  bottom: 0;
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: 480px;
  padding: 12px 16px;
  border-radius: 8px;
  background: var(--text);
  color: var(--bg);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .25);
  white-space: pre-wrap;
  z-index: 20;
}
.toast.bad { background: var(--bad); color: #fff; }

@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; height: auto; padding: 8px 12px; gap: 8px; }
  main { padding: 12px; }
  .grid.domains, .grid.servers { grid-template-columns: 1fr; }
}