:root {
  --bg: #070b14;
  --bg-elev: #0d1422;
  --card: #111a2b;
  --card-2: #152033;
  --line: rgba(148, 163, 184, .14);
  --text: #e8eef8;
  --muted: #8b9bb4;
  --accent: #2ee6a6;
  --accent-2: #3ec7ff;
  --danger: #ff5d73;
  --warning: #f5c14a;
  --info: #4ea2ff;
  --shadow: 0 12px 40px rgba(0,0,0,.28);
  --radius: 16px;
  --sidebar: 268px;
  --ok: #2ee6a6;
}

[data-theme="light"] {
  --bg: #f3f6fb;
  --bg-elev: #ffffff;
  --card: #ffffff;
  --card-2: #f8fafc;
  --line: rgba(15, 23, 42, .08);
  --text: #0f172a;
  --muted: #64748b;
  --shadow: 0 10px 30px rgba(15, 23, 42, .08);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 500px at -10% -20%, rgba(46,230,166,.08), transparent 40%),
    radial-gradient(900px 400px at 110% 0%, rgba(62,199,255,.08), transparent 42%),
    var(--bg);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
.gc-shell { display: flex; min-height: 100vh; }
.gc-sidebar {
  width: var(--sidebar);
  background: rgba(9, 14, 24, .92);
  border-right: 1px solid var(--line);
  padding: 22px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
}
[data-theme="light"] .gc-sidebar { background: #0b1524; color: #e8eef8; }
.gc-brand { display: flex; gap: 12px; align-items: center; padding: 6px 10px 22px; }
.gc-logo {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #062016; display: grid; place-items: center; font-weight: 800;
}
.gc-brand small { display: block; color: #8b9bb4; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.gc-nav-label {
  font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: #6f8098;
  padding: 16px 12px 6px;
}
.gc-nav a, .gc-nav summary {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 10px; color: #c9d4e5; cursor: pointer;
}
.gc-nav a:hover, .gc-nav summary:hover, .gc-nav a.active {
  background: rgba(46,230,166,.12); color: #fff;
}
.gc-nav details { margin: 0; }
.gc-nav details a { padding-left: 34px; font-size: 13px; color: #9aabc2; }
.gc-main { flex: 1; min-width: 0; }
.gc-topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 28px; border-bottom: 1px solid var(--line);
  background: rgba(7,11,20,.55); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 20;
}
.gc-content { padding: 28px; }
.gc-page-title { margin: 0 0 4px; font-size: 28px; letter-spacing: -.03em; }
.gc-page-sub { margin: 0 0 22px; color: var(--muted); }
.gc-card {
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent 40%), var(--card);
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.gc-card-pad { padding: 20px; }
.gc-grid { display: grid; gap: 16px; }
.gc-grid-8 { grid-template-columns: repeat(4, 1fr); }
.gc-grid-2 { grid-template-columns: 1.4fr 1fr; }
.gc-grid-3 { grid-template-columns: repeat(3, 1fr); }
.stat-card { padding: 18px; }
.stat-card .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.stat-card .value { font-size: 30px; font-weight: 700; margin-top: 8px; }
.stat-card .hint { color: var(--muted); font-size: 12px; margin-top: 6px; }
.badge {
  display: inline-flex; align-items: center; gap: 7px;
  border-radius: 999px; padding: 4px 10px; font-size: 11px; font-weight: 700; letter-spacing: .04em;
  border: 1px solid transparent;
}
.badge .dot { width: 8px; height: 8px; border-radius: 50%; }
.tone-success { background: rgba(46,230,166,.12); color: #7dfic4; color: #7df0c4; border-color: rgba(46,230,166,.2); }
.tone-success .dot { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.tone-danger { background: rgba(255,93,115,.12); color: #ffb3be; border-color: rgba(255,93,115,.22); }
.tone-danger .dot { background: var(--danger); box-shadow: 0 0 8px var(--danger); }
.tone-warning { background: rgba(245,193,74,.12); color: #ffe3a1; border-color: rgba(245,193,74,.22); }
.tone-warning .dot { background: var(--warning); }
.tone-info { background: rgba(78,162,255,.12); color: #b9d9ff; border-color: rgba(78,162,255,.22); }
.tone-info .dot { background: var(--info); }
.tone-neutral { background: rgba(148,163,184,.12); color: #cbd5e1; border-color: rgba(148,163,184,.18); }
.tone-neutral .dot { background: #94a3b8; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; border: 0; border-radius: 10px;
  padding: 9px 14px; font-weight: 600; cursor: pointer; font-size: 14px;
}
.btn-primary { background: var(--accent); color: #062016; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn-danger { background: rgba(255,93,115,.15); color: #ffb3be; }
.btn-sm { padding: 6px 10px; font-size: 12px; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; font-size: 14px; }
.table th { color: var(--muted); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.form-control, select, textarea, input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="url"], input[type="datetime-local"] {
  width: 100%; background: var(--bg-elev); color: var(--text); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 12px;
}
label { display: block; margin-bottom: 6px; color: var(--muted); font-size: 13px; }
.mb-3 { margin-bottom: 14px; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.chip { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.chip.active { background: rgba(46,230,166,.12); color: var(--accent); border-color: transparent; }
.conn-card { padding: 18px; display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.conn-card h3 { margin: 0 0 4px; font-size: 16px; }
.conn-meta { color: var(--muted); font-size: 13px; }
.qr-wrap { max-width: 520px; margin: 0 auto; text-align: center; padding: 32px; }
.qr-box { background: #fff; border-radius: 18px; padding: 18px; display: inline-block; }
.qr-box img { width: 280px; height: 280px; }
.wizard-steps { display: flex; gap: 10px; margin-bottom: 20px; }
.wizard-steps span { flex: 1; height: 6px; background: var(--line); border-radius: 99px; }
.wizard-steps span.on { background: var(--accent); }
.alert { padding: 12px 14px; border-radius: 12px; margin-bottom: 16px; }
.alert-success { background: rgba(46,230,166,.12); color: #b7ffe2; }
.alert-danger { background: rgba(255,93,115,.12); color: #ffd0d6; }
.mono { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 12px; }
.noc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.user-chip { display: flex; align-items: center; gap: 10px; }
.avatar { width: 34px; height: 34px; border-radius: 10px; background: #1c2b44; display: grid; place-items: center; font-weight: 700; }
.pagination { display: flex; gap: 6px; justify-content: flex-end; padding: 14px; }
.pagination a, .pagination span { padding: 6px 10px; border-radius: 8px; border: 1px solid var(--line); }
@media (max-width: 1200px) {
  .gc-grid-8 { grid-template-columns: repeat(2, 1fr); }
  .gc-grid-2, .gc-grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .gc-shell { display: block; }
  .gc-sidebar { width: 100%; height: auto; position: relative; }
}