/* Nebula v2 - Dark specific refinements */
html[data-theme="dark"] .site-header{
  background: rgba(4, 8, 20, .58);
}
html[data-theme="dark"] .btn-primary{
  box-shadow: 0 14px 40px rgba(56,189,248,.18), 0 18px 60px rgba(168,85,247,.14);
}