:root {
  --bg: #0f1419;
  --panel: #171e26;
  --panel-2: #1e2732;
  --border: #2a3644;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #3b82f6;
  --ok: #22c55e;
  --warn: #f59e0b;
  --bad: #ef4444;
  --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: 14px;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topnav {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  height: 56px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topnav .brand { display: flex; align-items: center; }
.topnav .brand img { height: 30px; width: auto; display: block; }
.topnav .brand:hover { text-decoration: none; }
.topnav .links { display: flex; gap: 4px; flex: 1; }
.topnav .links a {
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 8px;
}
.topnav .links a:hover { color: var(--text); text-decoration: none; background: var(--panel-2); }
.topnav .links a.active { color: #fff; background: var(--panel-2); }
.topnav .user { color: var(--muted); font-size: 13px; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 28px 24px 80px; }

h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 28px 0 12px; }
.sub { color: var(--muted); margin: 0 0 24px; }

.grid { display: grid; gap: 16px; }
.cards { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.card .metric { font-size: 30px; font-weight: 700; }
.card .label { color: var(--muted); font-size: 13px; margin-top: 4px; }
.card.ok .metric { color: var(--ok); }
.card.warn .metric { color: var(--warn); }
.card.bad .metric { color: var(--bad); }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.4px; }
tr:hover td { background: var(--panel-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.ok { background: rgba(34,197,94,0.15); color: var(--ok); }
.badge.warn { background: rgba(245,158,11,0.15); color: var(--warn); }
.badge.bad { background: rgba(239,68,68,0.15); color: var(--bad); }
.badge.muted { background: var(--panel-2); color: var(--muted); }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  font-weight: 500;
}
.btn:hover { filter: brightness(1.1); text-decoration: none; }
.btn.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.btn.danger { background: var(--bad); }
.btn.sm { padding: 5px 10px; font-size: 12px; }

.form-row { margin-bottom: 14px; }
.form-row label { display: block; color: var(--muted); margin-bottom: 5px; font-size: 13px; }
input[type=text], input[type=password], input[type=number], select, textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
.inline { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.inline .form-row { margin-bottom: 0; }

.muted { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.right { text-align: right; }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.tag { display: inline-block; background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px; padding: 1px 7px; font-size: 12px; margin: 2px 2px 0 0; }
.tag.bad { border-color: var(--bad); color: var(--bad); }

.codebox {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-all;
  color: #cbd5e1;
}

.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; }
.alert.err { background: rgba(239,68,68,0.12); color: #fca5a5; border: 1px solid rgba(239,68,68,0.3); }
.alert.ok { background: rgba(34,197,94,0.12); color: #86efac; border: 1px solid rgba(34,197,94,0.3); }

.login-wrap { max-width: 360px; margin: 12vh auto 0; }
.login-wrap .brand { text-align: center; margin-bottom: 6px; }
.login-wrap .brand img { width: 180px; height: auto; }
.login-wrap .sub { text-align: center; }

details.reasons summary { cursor: pointer; color: var(--muted); }