* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0f1117;
  --surface: #171a23;
  --surface2: #1e2230;
  --border: #2a2f40;
  --text: #e6e8ee;
  --muted: #9aa1b5;
  --accent: #22c55e;
  --accent-dim: #16803c;
  --danger: #ef4444;
  --warn: #f59e0b;
  --info: #3b82f6;
  --radius: 10px;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--info); text-decoration: none; }

.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 20px 12px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar .brand {
  font-weight: 700;
  font-size: 15px;
  padding: 8px 12px 20px;
  color: var(--accent);
  letter-spacing: 0.3px;
}

.sidebar a.nav {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
}

.sidebar a.nav:hover { background: var(--surface2); color: var(--text); }
.sidebar a.nav.active { background: var(--surface2); color: var(--text); font-weight: 600; }

.sidebar .spacer { flex: 1; }

.content {
  flex: 1;
  padding: 28px 32px;
  max-width: 1100px;
}

h1 { font-size: 22px; margin-bottom: 20px; }
h2 { font-size: 16px; margin-bottom: 12px; }

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

.grid { display: grid; gap: 16px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; } }

.stat { text-align: center; padding: 16px; }
.stat .num { font-size: 30px; font-weight: 700; color: var(--accent); }
.stat .label { color: var(--muted); font-size: 13px; margin-top: 4px; }

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}
.badge.connected { background: rgba(34,197,94,0.15); color: var(--accent); }
.badge.qr { background: rgba(245,158,11,0.15); color: var(--warn); }
.badge.connecting { background: rgba(59,130,246,0.15); color: var(--info); }
.badge.disconnected { background: rgba(239,68,68,0.15); color: var(--danger); }

input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent-dim); }
textarea { resize: vertical; min-height: 70px; }

label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field { margin-bottom: 14px; }

.check { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text); cursor: pointer; }
.check input { width: auto; }

button {
  padding: 10px 18px;
  background: var(--accent-dim);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
button:hover { filter: brightness(1.15); }
button.secondary { background: var(--surface2); border: 1px solid var(--border); }
button.danger { background: transparent; border: 1px solid var(--danger); color: var(--danger); }
button.danger.armed { background: var(--danger); color: #fff; }
button.small { padding: 6px 12px; font-size: 13px; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
td.actions { text-align: right; white-space: nowrap; }
td .mono, .mono { font-family: Consolas, monospace; font-size: 13px; }

.muted { color: var(--muted); font-size: 13px; }

.qr-box { text-align: center; padding: 20px; }
.qr-box img { border-radius: 12px; background: #fff; padding: 8px; }

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 14px;
  max-width: 420px;
  display: none;
  z-index: 100;
}
.toast.error { border-left-color: var(--danger); }
.toast.show { display: block; }

.events { max-height: 420px; overflow-y: auto; }
.events .ev { padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px; display: flex; gap: 10px; }
.events .ev .t { color: var(--muted); white-space: nowrap; }
.events .ev .ty { color: var(--accent); min-width: 70px; }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card { width: 360px; }
.login-card h1 { text-align: center; margin-bottom: 8px; }
.login-card .sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 24px; }

pre.code {
  background: #0b0d12;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  overflow-x: auto;
  font-family: Consolas, monospace;
  font-size: 13px;
  line-height: 1.6;
  margin: 10px 0 20px;
  color: #c9d1d9;
}

.keyreveal {
  background: var(--surface2);
  border: 1px dashed var(--accent-dim);
  border-radius: 8px;
  padding: 14px;
  margin-top: 14px;
  word-break: break-all;
  display: none;
}
.keyreveal.show { display: block; }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.toggle { cursor: pointer; }