:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --border: #e3e6eb;
  --text: #1b1f24;
  --muted: #667085;
  --ok: #12a150;
  --warning: #e08a00;
  --critical: #d92d20;
  --unknown: #98a2b3;
  --accent: #2f6fed;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --surface: #171b21;
    --border: #2a3039;
    --text: #e6e9ee;
    --muted: #98a2b3;
    --ok: #32c26d;
    --warning: #f2a93b;
    --critical: #f0574b;
    --unknown: #667085;
    --accent: #6b9bff;
  }
}

* { 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;
}
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; margin: 0 0 8px; }
h2 { font-size: 15px; margin: 28px 0 10px; color: var(--muted); text-transform: uppercase;
     letter-spacing: .04em; }
button {
  font: inherit; border: 1px solid var(--accent); background: var(--accent); color: #fff;
  border-radius: 8px; padding: 6px 12px; cursor: pointer;
}
button.ghost { background: transparent; color: var(--text); border-color: var(--border); }
button:disabled { opacity: .6; cursor: progress; }
.muted { color: var(--muted); }
.error { color: var(--critical); }

.top {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between;
  padding: 12px 16px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 600; }
.brand span { color: var(--muted); font-weight: 400; }
.session { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

.login { max-width: 420px; margin: 12vh auto; text-align: center; }

.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 14px; }
.tabs button {
  background: var(--surface); color: var(--text); border-color: var(--border);
  display: inline-flex; align-items: center; gap: 6px;
}
.tabs button[aria-selected="true"] { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }

.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; flex: none; }
.ok { --c: var(--ok); } .warning { --c: var(--warning); }
.critical { --c: var(--critical); } .unknown { --c: var(--unknown); }
.dot { background: var(--c, var(--unknown)); }

.banner {
  border-radius: var(--radius); padding: 14px 16px; font-size: 16px; font-weight: 600;
  color: #fff; background: var(--c, var(--unknown));
}

.groups { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
          margin-top: 14px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
        padding: 12px 14px; min-width: 0; }
.card h3 { margin: 0 0 8px; font-size: 14px; }
.comp { padding: 6px 0; border-top: 1px solid var(--border); }
.comp:first-of-type { border-top: 0; }
.comp-head { display: flex; align-items: center; gap: 8px; }
.comp-name { flex: 1; min-width: 0; }
.reasons { margin: 2px 0 0 18px; color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }

.uptime { display: flex; gap: 1px; height: 18px; margin: 6px 0 0 18px; }
.uptime i { flex: 1; border-radius: 1px; background: var(--c, var(--border)); min-width: 1px; }
.uptime-caption { margin-left: 18px; font-size: 11px; color: var(--muted); }

.hosts { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }
.host-meta { font-size: 12px; color: var(--muted); margin-bottom: 8px; overflow-wrap: anywhere; }
.meter { display: grid; grid-template-columns: 110px 1fr 52px; gap: 8px; align-items: center;
         margin: 4px 0; font-size: 12px; }
.meter .bar { height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; }
.meter .bar i { display: block; height: 100%; background: var(--c, var(--ok)); }
.meter .val { text-align: right; font-variant-numeric: tabular-nums; }

details { margin-top: 8px; }
summary { cursor: pointer; color: var(--accent); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12px; margin-top: 6px; }
th, td { text-align: left; padding: 4px 6px; border-top: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 500; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }

.ranges { display: flex; gap: 6px; margin: 8px 0 4px; }
.ranges button { padding: 2px 8px; font-size: 12px; background: transparent; color: var(--text);
                 border-color: var(--border); }
.ranges button[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
.spark { display: grid; grid-template-columns: 110px 1fr 52px; gap: 8px; align-items: center;
         font-size: 12px; margin: 2px 0; }
.spark svg { width: 100%; height: 34px; }
.spark path { fill: none; stroke: var(--accent); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.spark line { stroke: var(--warning); stroke-dasharray: 3 3; vector-effect: non-scaling-stroke; }

.incidents { list-style: none; padding: 0; margin: 0; }
.incidents li { background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
                padding: 8px 12px; margin-bottom: 6px; display: flex; gap: 8px; align-items: baseline;
                flex-wrap: wrap; }