:root {
  --bg: #0f1419; --panel: #171e26; --panel2: #1e2731; --line: #2a3542;
  --text: #e6edf3; --muted: #8b98a7; --accent: #3b9eff;
  --ok: #2fbf71; --warn: #f0a626; --crit: #f0524f; --unknown: #6b7785;
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
code, .mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 12.5px; }

/* Layout */
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: var(--panel); border-right: 1px solid var(--line);
  padding: 18px 12px; position: sticky; top: 0; height: 100vh; flex-shrink: 0; }
.brand { font-weight: 700; font-size: 15px; letter-spacing: .3px; padding: 0 10px 18px; }
.brand span { color: var(--accent); }
.nav a { display: flex; justify-content: space-between; align-items: center; padding: 9px 10px;
  border-radius: 8px; color: var(--text); margin-bottom: 2px; }
.nav a:hover, .nav a.active { background: var(--panel2); text-decoration: none; }
.nav .count { background: var(--crit); color: #fff; border-radius: 10px; padding: 0 7px; font-size: 12px; }
.sidebar .foot { position: absolute; bottom: 14px; left: 22px; font-size: 12px; color: var(--muted); }
.main { flex: 1; padding: 24px 28px 60px; min-width: 0; max-width: 1400px; }
.head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px;
  margin-bottom: 18px; flex-wrap: wrap; }
.crumbs { font-size: 12px; color: var(--muted); margin-bottom: 6px; }

/* Cards & grids */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; margin-bottom: 16px; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); }
.g3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.kpi .v { font-size: 28px; font-weight: 700; }
.kpi .l { color: var(--muted); font-size: 12px; }
.kpi.ok .v { color: var(--ok); } .kpi.warn .v { color: var(--warn); } .kpi.crit .v { color: var(--crit); }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase;
  letter-spacing: .4px; padding: 8px; border-bottom: 1px solid var(--line); }
td { padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: none; }
tr.row-link { cursor: pointer; } tr.row-link:hover td { background: var(--panel2); }
.table-wrap { overflow-x: auto; }

/* Status */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 2px 9px; border-radius: 20px;
  font-size: 12px; font-weight: 600; white-space: nowrap; border: 1px solid transparent; }
.badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.s-ok { color: var(--ok); background: rgba(47,191,113,.12); }
.s-warn { color: var(--warn); background: rgba(240,166,38,.12); }
.s-crit { color: var(--crit); background: rgba(240,82,79,.14); }
.s-unknown { color: var(--unknown); background: rgba(107,119,133,.15); }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; }
.dot.ok { background: var(--ok); } .dot.warn { background: var(--warn); }
.dot.crit { background: var(--crit); } .dot.unknown { background: var(--unknown); }
.tag { display: inline-block; padding: 1px 8px; border-radius: 6px; background: var(--panel2);
  border: 1px solid var(--line); font-size: 12px; color: var(--muted); }

/* Client tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.tile { display: block; background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--unknown);
  border-radius: var(--radius); padding: 12px 14px; color: var(--text); }
.tile:hover { background: var(--panel2); text-decoration: none; }
.tile.ok { border-left-color: var(--ok); } .tile.warn { border-left-color: var(--warn); }
.tile.crit { border-left-color: var(--crit); }
.tile .t { font-weight: 600; } .tile .m { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* Forms */
form.inline { display: inline; }
label { display: block; font-size: 12px; color: var(--muted); margin: 10px 0 4px; }
input[type=text], input[type=password], input[type=number], input[type=email], input[type=url],
select, textarea { width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 10px; font: inherit; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { min-height: 70px; resize: vertical; }
.check-line { display: flex; align-items: center; gap: 8px; margin-top: 12px; color: var(--text); font-size: 14px; }
.check-line input { width: auto; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0 14px; }
.help { font-size: 11.5px; color: var(--muted); margin-top: 3px; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--panel2); color: var(--text); font: inherit;
  font-weight: 600; cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--crit); }
.btn.sm { padding: 4px 10px; font-size: 12px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
details.add > summary { list-style: none; cursor: pointer; }
details.add > summary::-webkit-details-marker { display: none; }
details.add[open] > summary { margin-bottom: 8px; }

/* Flash */
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; border: 1px solid; }
.flash.ok { border-color: var(--ok); background: rgba(47,191,113,.08); }
.flash.warn { border-color: var(--warn); background: rgba(240,166,38,.08); }
.flash.err { border-color: var(--crit); background: rgba(240,82,79,.08); }

.token-box { background: var(--bg); border: 1px dashed var(--warn); border-radius: 8px; padding: 12px;
  word-break: break-all; }
.chart-box { position: relative; height: 220px; }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; }
.kv div:nth-child(odd) { color: var(--muted); }
.metrics { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12.5px; }
.metrics b { color: var(--text); font-weight: 600; }
.empty { text-align: center; color: var(--muted); padding: 22px; }

/* Login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card { width: 100%; max-width: 360px; }

/* Mobile */
.show-sm { display: none; }
@media (max-width: 860px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; padding: 10px; display: flex; align-items: center;
    overflow-x: auto; border-right: none; border-bottom: 1px solid var(--line); }
  .brand { padding: 0 10px 0 4px; white-space: nowrap; }
  .nav { display: flex; gap: 2px; }
  .nav a { white-space: nowrap; gap: 6px; }
  .sidebar .foot { display: none; }
  .main { padding: 16px 14px 50px; }
  .g2 { grid-template-columns: 1fr; }
  .hide-sm { display: none; }
  .show-sm { display: block !important; }
  .kv { grid-template-columns: 110px 1fr; }
}