:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --hairline: #e1e0d9;
  --border: rgba(11, 11, 11, 0.1);
  --good: #0ca30c;
  --warning: #fab219;
  --critical: #d03b3b;
  --series-1: #2a78d6;
  --good-text: #006300;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --hairline: #2c2c2a;
    --border: rgba(255, 255, 255, 0.1);
    --series-1: #3987e5;
    --good-text: #0ca30c;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.45;
}
main { max-width: 1080px; margin: 0 auto; padding: 20px 16px 40px; }
.muted { color: var(--muted); }

/* top bar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--hairline); background: var(--surface);
}
.brand { font-weight: 650; font-size: 16px; display: inline-flex; align-items: center; gap: 8px; }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--series-1); display: inline-block; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.whoami { color: var(--ink-2); font-size: 13px; }
button {
  font: inherit; border: 1px solid var(--border); border-radius: 6px;
  padding: 7px 14px; cursor: pointer; background: var(--series-1); color: #fff;
}
button.ghost { background: transparent; color: var(--ink-2); }
button.ghost:hover { border-color: var(--muted); }

/* overall banner */
.banner {
  margin: 20px 0; padding: 14px 16px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface);
  display: flex; align-items: center; gap: 10px; font-weight: 600;
}
.banner .status-icon { flex: none; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 14px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 16px; display: flex; flex-direction: column; gap: 10px;
}
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.card h3 { margin: 0; font-size: 15px; font-weight: 650; }
.group-chip { font-size: 12px; color: var(--ink-2); }
.status-pill { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 13px; }
.status-pill.up { color: var(--good-text); }
.status-pill.down { color: var(--critical); }
.status-icon { width: 14px; height: 14px; }

.service { display: flex; flex-direction: column; gap: 10px; }
.service-name { font-size: 13px; font-weight: 600; color: var(--ink-2); }

.tls-row {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  border-top: 1px solid var(--hairline); padding-top: 10px; margin-top: 2px;
  font-size: 13px;
}
.tls-label { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); font-weight: 600; }
.tls-checked { color: var(--muted); margin-left: auto; }
.status-pill.warn { color: var(--ink-2); }
.status-pill.warn .status-icon { color: var(--warning); }

.statrow { display: flex; gap: 18px; font-size: 13px; color: var(--ink-2); flex-wrap: wrap; }
.statrow b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }

.history { display: flex; gap: 2px; align-items: flex-end; }
.tick {
  flex: 1 1 8px; max-width: 8px; min-width: 3px; height: 16px; border-radius: 2px;
}
.tick.ok { background: var(--good); }
.tick.fail { background: var(--critical); }
.history-label { font-size: 12px; color: var(--muted); margin-top: 2px; }

.spark-wrap { margin-top: 2px; }
.spark-title { font-size: 12px; color: var(--muted); margin-bottom: 2px; }
.spark { width: 100%; height: 42px; display: block; }
.spark polyline { fill: none; stroke: var(--series-1); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }

.foot { margin-top: 22px; font-size: 12.5px; }

/* login */
.login-body { display: grid; place-items: center; min-height: 100vh; }
.login-card {
  width: min(360px, 92vw); background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 28px;
}
.login-sub { color: var(--ink-2); margin: 6px 0 18px; font-size: 13.5px; }
.login-card form { display: flex; flex-direction: column; gap: 6px; }
.login-card label { font-size: 13px; color: var(--ink-2); margin-top: 8px; }
.login-card input {
  font: inherit; padding: 9px 10px; border-radius: 6px;
  border: 1px solid var(--hairline); background: var(--page); color: var(--ink);
}
.login-card input:focus { outline: 2px solid var(--series-1); outline-offset: 1px; }
.login-card button { margin-top: 16px; }
.login-error {
  background: color-mix(in srgb, var(--critical) 12%, var(--surface));
  border: 1px solid var(--critical); color: var(--ink);
  border-radius: 6px; padding: 8px 10px; font-size: 13.5px;
}