:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --border: #2a3542;
  --text: #e7eef6;
  --muted: #8b9aab;
  --accent: #e8a317;
  --ok: #3ecf8e;
  --bad: #f07178;
  --link: #7eb8ff;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, #1c2733 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: rgba(15,20,25,.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  font-weight: 700;
  letter-spacing: .04em;
  font-size: 1.05rem;
}
.brand span { color: var(--accent); }
.nav { display: flex; gap: 14px; flex-wrap: wrap; }
.nav a {
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: .92rem;
}
.nav a.active, .nav a:hover {
  color: var(--text);
  background: var(--panel);
  text-decoration: none;
}
.wrap { max-width: 1280px; margin: 0 auto; padding: 22px; }
h1 { font-size: 1.35rem; margin: 0 0 6px; }
.sub { color: var(--muted); margin-bottom: 18px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; }
th { color: var(--muted); font-weight: 600; background: #151c24; }
tr:hover td { background: rgba(255,255,255,.02); }
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
}
.badge.ok { background: rgba(62,207,142,.15); color: var(--ok); }
.badge.bad { background: rgba(240,113,120,.15); color: var(--bad); }
.badge.warn { background: rgba(232,163,23,.15); color: var(--accent); }
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}
.login-card {
  width: min(400px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}
.login-card h1 { margin-bottom: 4px; }
label { display: block; margin: 14px 0 6px; color: var(--muted); font-size: .85rem; }
input, select, button {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0f1419;
  color: var(--text);
  font: inherit;
}
button {
  margin-top: 18px;
  background: var(--accent);
  color: #1a1200;
  border: none;
  font-weight: 700;
  cursor: pointer;
}
button:hover { filter: brightness(1.05); }
.error { color: var(--bad); margin-top: 10px; font-size: .9rem; }
.mono { font-family: var(--mono); font-size: .82rem; }
.muted { color: var(--muted); }
.chart {
  height: 220px;
  border-top: 1px solid var(--border);
  padding: 12px;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 900px) { .grid2 { grid-template-columns: 1fr; } }