:root {
  --bg: #0a0b0f;
  --bg-elevated: #12141c;
  --bg-hover: #1a1d28;
  --border: #252836;
  --text: #e8eaef;
  --text-muted: #8b92a8;
  --accent: #5b8def;
  --accent-soft: rgba(91, 141, 239, 0.15);
  --green: #22c55e;
  --yellow: #eab308;
  --red: #ef4444;
  --sidebar-w: 260px;
  --radius: 10px;
  --font: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
body.admin-console {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: var(--sidebar-w);
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  padding: 1.25rem 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 100;
}
.admin-main {
  flex: 1;
  margin-left: var(--sidebar-w);
  padding: 1.5rem 2rem;
  max-width: 1400px;
}
.admin-brand {
  padding: 0 1.25rem 1.25rem;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.admin-brand span { color: var(--accent); }
.admin-nav a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.25rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
}
.admin-nav a:hover, .admin-nav a.active {
  color: var(--text);
  background: var(--accent-soft);
}
.admin-nav-section {
  padding: 0.75rem 1.25rem 0.35rem;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.admin-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}
.admin-topbar h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.admin-user-chip {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
}
.stat-card .label { color: var(--text-muted); font-size: 0.75rem; }
.stat-card .value { font-size: 1.75rem; font-weight: 700; margin-top: 0.25rem; }
.stat-card.health-healthy .value { color: var(--green); }
.stat-card.health-warning .value { color: var(--yellow); }
.stat-card.health-critical .value { color: var(--red); }

.panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  overflow: hidden;
}
.panel-head {
  padding: 0.85rem 1.15rem;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.9rem;
}
.panel-body { padding: 1rem 1.15rem; }

.data-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.data-table th, .data-table td {
  padding: 0.65rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.data-table th { color: var(--text-muted); font-weight: 500; font-size: 0.75rem; }
.data-table tr:hover td { background: var(--bg-hover); }

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 600;
}
.badge-green { background: rgba(34,197,94,.15); color: var(--green); }
.badge-yellow { background: rgba(234,179,8,.15); color: var(--yellow); }
.badge-red { background: rgba(239,68,68,.15); color: var(--red); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: none;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-ghost { background: transparent; color: var(--text-muted); border: 1px solid var(--border); }
.btn-danger { background: var(--red); color: #fff; }
.btn-sm { padding: 0.35rem 0.65rem; font-size: 0.75rem; }

.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}
.alert-success { background: rgba(34,197,94,.12); border: 1px solid var(--green); color: var(--green); }
.alert-error { background: rgba(239,68,68,.12); border: 1px solid var(--red); color: var(--red); }

.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.35rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  max-width: 480px;
  padding: 0.55rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
}

.guest-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.guest-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
}
.guest-card h1 { margin: 0 0 0.5rem; font-size: 1.35rem; }

.health-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}
.health-tile {
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}
.health-tile.status-green { border-color: var(--green); }
.health-tile.status-yellow { border-color: var(--yellow); }
.health-tile.status-red { border-color: var(--red); }

.action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
}
.action-grid form { margin: 0; }

pre.output {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 1rem;
  border-radius: 8px;
  overflow: auto;
  font-size: 0.75rem;
  max-height: 320px;
}

@media (max-width: 900px) {
  .admin-sidebar { width: 72px; }
  .admin-sidebar .nav-label, .admin-brand span, .admin-nav-section { display: none; }
  .admin-main { margin-left: 72px; padding: 1rem; }
}