:root {
  --bg: #0f1419;
  --panel: #171d26;
  --panel2: #1e2530;
  --border: #2a3240;
  --text: #e7ebf0;
  --muted: #8b96a5;
  --accent: #4caf7d;
  --accent2: #5b8def;
  --warn: #e0a52c;
  --danger: #e0563f;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 14px;
}
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px;
  flex: none;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 0;
}
.brand {
  padding: 0 20px 20px;
  font-weight: 700;
  font-size: 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.brand span { display: block; font-weight: 400; font-size: 11px; color: var(--muted); margin-top: 2px; }
.navgroup { margin-bottom: 18px; }
.navgroup-label {
  padding: 0 20px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: 6px;
}
.sidebar a {
  display: block;
  padding: 8px 20px;
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  border-left: 3px solid transparent;
}
.sidebar a:hover { background: var(--panel2); }
.sidebar a.active { background: var(--panel2); border-left-color: var(--accent); color: var(--accent); }
.sidebar-footer { margin-top: auto; padding: 0 20px; }
.sidebar-footer a { color: var(--muted); font-size: 12px; text-decoration: none; }

.content { flex: 1; padding: 28px 32px; max-width: 1200px; }
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 28px 0 10px; color: var(--text); }
.muted { color: var(--muted); font-size: 12px; }
.page-header { margin-bottom: 20px; }

.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin-bottom: 8px; }
.kpi-card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; }
.kpi-card .label { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin-bottom: 6px; }
.kpi-card .value { font-size: 24px; font-weight: 700; }
.kpi-card .sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.kpi-card .sub.up { color: var(--accent); }
.kpi-card .sub.down { color: var(--danger); }
.kpi-card .sub.warn { color: var(--warn); }

table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); font-size: 12.5px; }
th { color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: 10.5px; letter-spacing: .03em; background: var(--panel2); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--panel2); }
.num { text-align: right; font-variant-numeric: tabular-nums; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.badge.ok { background: rgba(76,175,125,.15); color: var(--accent); }
.badge.warn { background: rgba(224,165,44,.15); color: var(--warn); }
.badge.danger { background: rgba(224,86,63,.15); color: var(--danger); }
.badge.neutral { background: rgba(139,150,165,.15); color: var(--muted); }

.filters { margin-bottom: 14px; font-size: 12.5px; }
.filters a { color: var(--muted); text-decoration: none; margin-right: 12px; padding: 4px 10px; border: 1px solid var(--border); border-radius: 12px; }
.filters a.active { color: var(--accent); border-color: var(--accent); }

.note { background: var(--panel2); border-left: 3px solid var(--accent2); padding: 10px 14px; border-radius: 4px; font-size: 12.5px; color: var(--muted); margin: 10px 0 20px; }
.note.warn { border-left-color: var(--warn); }

.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 32px; width: 300px; display: flex; flex-direction: column; gap: 10px; }
.login-box h1 { margin-bottom: 0; }
.login-box input { background: var(--panel2); border: 1px solid var(--border); border-radius: 6px; padding: 10px 12px; color: var(--text); font-size: 14px; }
.login-box button { background: var(--accent); border: none; border-radius: 6px; padding: 10px 12px; color: #0a1a12; font-weight: 700; cursor: pointer; }
.login-box .error { color: var(--danger); font-size: 12.5px; }

.table-scroll { overflow-x: auto; }