:root {
  --brand: #1058e8;
  --bg: #f3f6fc;
  --surface: #ffffff;
  --ink: #0b1220;
  --muted: #5b6475;
  --line: #d7deea;
  --ok: #157347;
  --critical: #b42318;
  --warn: #b54708;
  --radius: 14px;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--ink); }
body { line-height: 1.45; }

.app { max-width: 1080px; margin: 0 auto; padding: 22px 18px 72px; }
.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 18px; }
.brand__mark {
  width: 38px; height: 38px; border-radius: 10px; background: var(--brand);
  color: #fff; display: grid; place-items: center; font-weight: 800;
}
.brand h1 { margin: 0; font-size: 20px; }
.brand p { margin: 0; color: var(--muted); font-size: 13px; }

.toolbar {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  align-items: center; margin-bottom: 14px;
}
.toolbar__meta { color: var(--muted); font-size: 13px; }

.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.tab {
  background: #e8eef9; color: var(--brand); border: 0; border-radius: 999px;
  padding: 8px 14px; font-weight: 750; cursor: pointer;
}
.tab.is-active { background: var(--brand); color: #fff; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 14px;
}
.card h3 { margin: 0 0 10px; font-size: 16px; }
.banner {
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 14px;
  border: 1px solid transparent;
}
.banner--ok { background: #e8f6ee; border-color: #b7e0c5; }
.banner--critical { background: #fde8e6; border-color: #f3b4ae; }
.banner--degraded, .banner--recovering, .banner--warn { background: #fff6e6; border-color: #f0d19a; }
.banner--unknown { background: #eef2f8; border-color: var(--line); }
.banner h2 { margin: 0 0 4px; font-size: 18px; }
.banner p { margin: 0; color: var(--muted); }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
}
.stat__label {
  font-size: 11px; font-weight: 800; letter-spacing: .04em;
  text-transform: uppercase; color: var(--muted);
}
.stat__value { font-size: 15px; font-weight: 750; margin-top: 4px; word-break: break-word; }

label { display: block; font-size: 13px; font-weight: 650; margin: 0 0 6px; }
input {
  width: 100%; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--line); font: inherit; margin-bottom: 12px;
}
button, .button {
  appearance: none; border: 0; border-radius: 10px; padding: 10px 14px;
  background: var(--brand); color: #fff; font-weight: 700; cursor: pointer;
}
button.secondary { background: #e8eef9; color: var(--brand); }
button.danger { background: #fde8e6; color: var(--critical); }
button:disabled { opacity: .6; cursor: not-allowed; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.muted { color: var(--muted); font-size: 13px; }
.list { margin: 0; padding: 0; list-style: none; }
.list li {
  padding: 10px 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 2px;
}
.list li:first-child { border-top: 0; }
.pill {
  display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: .04em;
  text-transform: uppercase; padding: 3px 8px; border-radius: 999px;
}
.pill--ok { background: #e8f6ee; color: var(--ok); }
.pill--critical { background: #fde8e6; color: var(--critical); }
.pill--degraded, .pill--recovering, .pill--warn { background: #fff6e6; color: var(--warn); }
.pill--info { background: #e8eef9; color: var(--brand); }
.pill--unknown { background: #eef2f8; color: var(--muted); }
.error { color: var(--critical); font-size: 13px; margin: 0 0 10px; }
.flash { margin: 0 0 12px; }

.timeline {
  display: grid;
  gap: 8px;
}
.dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--brand);
  display: inline-block; margin-right: 6px;
}
.dot--fail { background: var(--critical); }
.dot--ok { background: var(--ok); }

@media (max-width: 640px) {
  .app { padding: 16px 12px 56px; }
  .brand h1 { font-size: 18px; }
}