:root {
  --bg: #0f1115;
  --card: #191d24;
  --line: #2a2f3a;
  --text: #e6e9ef;
  --muted: #8b93a3;
  --ok: #2fbf71;
  --err: #e0574a;
  --warn: #e0a44a;
  --accent: #4c8dff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--err); min-height: 1.2em; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
}
.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

/* login */
.login { display: flex; min-height: 100vh; align-items: center; justify-content: center; }
.login .card { width: 320px; display: flex; flex-direction: column; gap: 10px; }
.login h1 { margin: 0; font-size: 18px; }
input, select, button {
  font: inherit;
  padding: 9px 11px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #12151b;
  color: var(--text);
}
button { background: var(--accent); border-color: var(--accent); color: #fff; cursor: pointer; }
button.ghost { background: transparent; border-color: var(--line); color: var(--text); }

/* app */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; border-bottom: 1px solid var(--line); background: var(--card);
  position: sticky; top: 0;
}
.topbar .ghost { margin-left: 8px; }
main { max-width: 1000px; margin: 0 auto; padding: 20px; }
h2 { font-size: 15px; margin: 22px 0 12px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.service.up { border-left: 3px solid var(--ok); }
.service.down { border-left: 3px solid var(--err); }
.badge { font-size: 11px; padding: 2px 8px; border-radius: 999px; }
.badge.ok { background: rgba(47,191,113,.15); color: var(--ok); }
.badge.err { background: rgba(224,87,74,.15); color: var(--err); }
.queues { margin-top: 8px; display: flex; flex-direction: column; gap: 2px; }
.qrow { font-size: 12px; color: var(--muted); }
.qrow.warn { color: var(--warn); }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; margin-bottom: 14px; }
.tile { background: #12151b; border: 1px solid var(--line); border-radius: 8px; padding: 12px; }
.tile-value { font-size: 22px; font-weight: 600; }
.tile-label { font-size: 12px; color: var(--muted); }
.json {
  margin: 0; padding: 12px; background: #0c0e12; border: 1px solid var(--line); border-radius: 8px;
  overflow: auto; max-height: 340px; font-size: 12px; color: var(--muted);
}