:root {
  --bg: #0b1220;
  --panel: #111a2c;
  --panel-2: #18233a;
  --border: #1f2c47;
  --text: #e6edf7;
  --muted: #93a4c0;
  --accent: #3b82f6;
  --accent-2: #60a5fa;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text); min-height: 100vh;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1080px; margin: 0 auto; padding: 24px; }
.navbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.navbar .brand { font-weight: 700; letter-spacing: 0.3px; }
.navbar nav a { margin-left: 18px; color: var(--muted); }
.navbar nav a.active { color: var(--text); }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.card + .card { margin-top: 16px; }
.grid { display: grid; gap: 16px; }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 720px) {
  .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; }
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat .label { color: var(--muted); font-size: 13px; }
.stat .value { font-size: 28px; font-weight: 700; }
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 8px;
  background: var(--accent); color: white; border: none;
  font-size: 14px; cursor: pointer; text-decoration: none;
}
.btn:hover { filter: brightness(1.1); text-decoration: none; }
.btn.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.btn.danger { background: var(--danger); }
.btn.warning { background: var(--warning); color: #1f1300; }
.btn.small { padding: 4px 8px; font-size: 12px; }
input, select, textarea {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 8px 10px; border-radius: 8px; width: 100%; font: inherit;
}
label { display: block; margin: 12px 0 6px; color: var(--muted); font-size: 13px; }
.form-row { margin-bottom: 12px; }
.alert { padding: 10px 14px; border-radius: 8px; margin: 10px 0; }
.alert.error { background: rgba(239,68,68,0.12); color: #fda4a4; border: 1px solid rgba(239,68,68,0.3); }
.alert.success { background: rgba(34,197,94,0.12); color: #86efac; border: 1px solid rgba(34,197,94,0.3); }
table { width: 100%; border-collapse: collapse; }
table th, table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
table th { color: var(--muted); font-weight: 600; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.badge.free { background: #1f2937; color: #cbd5e1; }
.badge.pro { background: #064e3b; color: #6ee7b7; }
.badge.admin { background: #312e81; color: #c7d2fe; }
.muted { color: var(--muted); }
.right { text-align: right; }
.flex { display: flex; align-items: center; gap: 12px; }
.spacer { flex: 1; }
hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.indicator {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px; font-size: 12px;
  background: rgba(148,163,184,0.12); color: var(--muted);
}
.indicator.connected { background: rgba(34,197,94,0.12); color: #86efac; }
.indicator .dot {
  width: 8px; height: 8px; border-radius: 50%; background: currentColor;
}
form.inline { display: inline; }
.hero { padding: 60px 0; text-align: center; }
.hero h1 { font-size: 42px; margin: 0 0 12px; }
.hero p { color: var(--muted); font-size: 18px; max-width: 640px; margin: 0 auto 24px; }