:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e6e9ef;
  --muted: #9aa3b2;
  --accent: #4f8cff;
  --ok: #37c871;
  --down: #ff5c5c;
  --warn: #f0a836;
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.topbar .brand { font-weight: 600; letter-spacing: .3px; }
.topbar nav a { margin-left: 18px; color: var(--muted); font-size: 14px; }
.topbar nav a.active, .topbar nav a:hover { color: var(--text); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 28px 24px; }
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 22px; margin-bottom: 22px;
}
.card h2 { margin: 0 0 14px; font-size: 16px; font-weight: 600; }
h1 { font-size: 22px; margin: 0 0 22px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--muted); font-weight: 500; }
tr:last-child td { border-bottom: none; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge.up { background: rgba(55,200,113,.15); color: var(--ok); }
.badge.down { background: rgba(255,92,92,.15); color: var(--down); }
.badge.warn { background: rgba(240,168,54,.15); color: var(--warn); }
.badge.na { background: var(--panel-2); color: var(--muted); }
.meter { height: 6px; background: var(--panel-2); border-radius: 4px; overflow: hidden; width: 120px; display: inline-block; vertical-align: middle; }
.meter > span { display: block; height: 100%; background: var(--accent); }
.meter.hot > span { background: var(--warn); }
.meter.crit > span { background: var(--down); }
.muted { color: var(--muted); font-size: 13px; }
.login-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-box { width: 360px; }
.login-box .card { padding: 28px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
input[type=text], input[type=password], input[type=email] {
  width: 100%; padding: 10px 12px; background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 15px;
}
input:focus { outline: none; border-color: var(--accent); }
button, .btn {
  cursor: pointer; border: 1px solid var(--border); background: var(--accent);
  color: #fff; padding: 10px 16px; border-radius: 8px; font-size: 14px; font-weight: 600;
  margin-top: 18px;
}
button.secondary { background: var(--panel-2); color: var(--text); }
button.danger { background: var(--down); }
.err { background: rgba(255,92,92,.12); color: var(--down); border: 1px solid rgba(255,92,92,.3);
  padding: 10px 12px; border-radius: 8px; margin-top: 14px; font-size: 14px; }
.ok-box { background: rgba(55,200,113,.1); color: var(--ok); border: 1px solid rgba(55,200,113,.3);
  padding: 14px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
pre { background: var(--panel-2); padding: 14px; border-radius: 8px; overflow-x: auto; font-size: 13px; }
.qr { background: #fff; padding: 14px; border-radius: 8px; display: inline-block; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.inline-form { display: inline; }
.row-actions form { display: inline; margin-left: 6px; }
details summary { cursor: pointer; color: var(--muted); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
@media (max-width: 720px) { .grid2 { grid-template-columns: 1fr; } }