:root {
  --bg: #0f1419;
  --panel: #161c24;
  --panel-2: #1d242e;
  --border: #2a313c;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --ok: #3fb950;
  --warn: #d29922;
  --err: #f85149;
  --updating: #58a6ff;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
}
code, pre { font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace; }

/* ---------- top bar ---------- */
.topbar {
  display: flex; align-items: center; gap: 24px;
  background: var(--panel); border-bottom: 1px solid var(--border);
  padding: 10px 20px;
}
.brand { font-weight: 700; letter-spacing: .2px; }
.brand .dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); margin-right: 6px;
  box-shadow: 0 0 8px var(--accent);
}
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a {
  color: var(--muted); text-decoration: none; padding: 6px 12px; border-radius: 6px;
}
.topbar nav a:hover { background: var(--panel-2); color: var(--text); }
.topbar nav a.active { background: var(--panel-2); color: var(--text); }
.topbar .user { color: var(--muted); font-size: 13px; }
.topbar .user .role {
  display: inline-block; padding: 1px 6px; border-radius: 4px;
  font-size: 11px; text-transform: uppercase; margin-right: 6px;
}
.role-admin { background: rgba(63,185,80,.15); color: var(--ok); }
.role-viewer { background: rgba(139,148,158,.2); color: var(--muted); }
.logout { color: var(--muted); margin-left: 12px; text-decoration: none; }
.logout:hover { color: var(--err); }

/* ---------- layout ---------- */
.container { max-width: 1400px; margin: 0 auto; padding: 24px 20px 60px; }
h1 { margin: 0 0 16px; font-size: 22px; font-weight: 600; }
h2 { margin: 0 0 12px; font-size: 15px; font-weight: 600; color: var(--text); }
h3 { font-size: 14px; margin: 16px 0 8px; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.back { color: var(--muted); text-decoration: none; margin-right: 8px; }
.muted { color: var(--muted); }
.center { text-align: center; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.ts { color: var(--muted); font-size: 12px; white-space: nowrap; }
.msg { color: var(--muted); font-size: 13px; }
.hash { font-size: 12px; color: var(--muted); cursor: help; }

/* ---------- grid ---------- */
.grid { display: grid; gap: 16px; margin-bottom: 16px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-4 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- cards / KPIs ---------- */
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 16px; margin-bottom: 16px;
}
.kpi {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 16px;
}
.kpi-num { font-size: 28px; font-weight: 600; font-variant-numeric: tabular-nums; }
.kpi-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.kpi-ok   .kpi-num { color: var(--ok); }
.kpi-warn .kpi-num { color: var(--warn); }
.kpi-err  .kpi-num { color: var(--err); }
.kpi-mute .kpi-num { color: var(--muted); }

/* ---------- tables ---------- */
.tbl { width: 100%; border-collapse: collapse; }
.tbl th, .tbl td {
  text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.tbl th { font-weight: 600; color: var(--muted); font-size: 12px;
  text-transform: uppercase; letter-spacing: .3px; }
.tbl tbody tr:hover { background: var(--panel-2); }
.tbl-dense td { padding: 6px 10px; }
.tbl-clickable tbody tr { cursor: pointer; }

/* ---------- tags / status ---------- */
.tag {
  display: inline-block; padding: 2px 8px; border-radius: 10px;
  font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: .3px;
}
.tag-ok   { background: rgba(63,185,80,.15);  color: var(--ok); }
.tag-warn { background: rgba(210,153,34,.18); color: var(--warn); }
.tag-err  { background: rgba(248,81,73,.18);  color: var(--err); }
.tag-status-online   { background: rgba(63,185,80,.15);  color: var(--ok); }
.tag-status-updating { background: rgba(88,166,255,.18); color: var(--updating); }
.tag-status-error    { background: rgba(248,81,73,.18);  color: var(--err); }
.tag-status-offline  { background: rgba(139,148,158,.2); color: var(--muted); }
.tag-status-unknown  { background: rgba(139,148,158,.2); color: var(--muted); }

/* ---------- forms ---------- */
input, select, textarea, button {
  font-family: inherit; font-size: 14px;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 7px 10px;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent);
}
textarea { resize: vertical; min-height: 60px; width: 100%; }
button {
  cursor: pointer; background: var(--accent); color: #fff; border-color: var(--accent);
  font-weight: 500;
}
button:hover { filter: brightness(1.1); }
button.danger { background: var(--err); border-color: var(--err); }
button.ok { background: var(--ok); border-color: var(--ok); }
.btn { display: inline-block; padding: 7px 14px; border-radius: 6px;
  background: var(--accent); color: #fff; text-decoration: none; font-weight: 500;
  border: 1px solid var(--accent); cursor: pointer; }
.btn-link { color: var(--accent); text-decoration: none; font-size: 13px; }

.filters {
  display: flex; gap: 8px; align-items: center; margin-bottom: 12px;
  flex-wrap: wrap;
}
.filters input { min-width: 280px; }
.inline-form { display: inline-flex; gap: 6px; align-items: center; }
.stacked-form { display: flex; flex-direction: column; gap: 12px; max-width: 480px; }
.stacked-form label { display: flex; flex-direction: column; gap: 4px;
  font-size: 12px; color: var(--muted); }
.stacked-form label.check { flex-direction: row; align-items: center; gap: 8px; }
.stacked-form input, .stacked-form select, .stacked-form textarea { color: var(--text); }
.stacked-form button { align-self: flex-start; }

dl.kv { display: grid; grid-template-columns: 140px 1fr; gap: 6px 16px; margin: 0; }
dl.kv dt { color: var(--muted); font-size: 12px; }
dl.kv dd { margin: 0; }

/* ---------- login ---------- */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.login-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 32px; width: 360px; display: flex; flex-direction: column; gap: 14px;
}
.login-card h1 { font-size: 22px; margin: 0; }
.login-card label { display: flex; flex-direction: column; gap: 4px;
  font-size: 12px; color: var(--muted); }
.login-card button { padding: 10px; margin-top: 6px; }
.err { background: rgba(248,81,73,.15); color: var(--err);
  padding: 10px; border-radius: 6px; font-size: 13px; }

/* ---------- misc ---------- */
.banner { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; }
.banner-warn { background: rgba(210,153,34,.15); color: var(--warn);
  border: 1px solid rgba(210,153,34,.4); }
.warn-card { border-color: rgba(210,153,34,.5); background: rgba(210,153,34,.05); }
.warn-text { color: var(--warn); }
.token-box {
  background: #000; color: #7ee787; padding: 16px; border-radius: 6px;
  word-break: break-all; user-select: all; font-size: 14px;
}
.add-form summary { cursor: pointer; list-style: none; }
.add-form summary::-webkit-details-marker { display: none; }
.add-form[open] summary { display: none; }
.add-form form { margin-top: 8px; padding: 12px; background: var(--panel);
  border: 1px solid var(--border); border-radius: 6px; }