:root {
  --bg: #0b0f16;
  --panel: #111827;
  --panel-2: #0f172a;
  --border: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --primary: #1e40af;
  --primary-600: #1e3a8a;
  --accent: #22c55e;
  --danger: #ef4444;
  --warn: #f59e0b;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Microsoft YaHei", "Noto Sans", sans-serif;
  line-height: 1.5;
}

.text-muted { color: var(--muted); }
.text-primary { color: var(--primary); }
.bg-panel { background: var(--panel); }
.border { border: 1px solid var(--border); }
.rounded { border-radius: 8px; }
.shadow {
  box-shadow: 0 1px 2px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.12);
}