/**
 * Статичный градиентный фон (без анимации), в духе лендинга index.html.
 */
.patrol-bg-aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(45, 140, 240, 0.22), transparent 50%),
    radial-gradient(ellipse 60% 45% at 95% 15%, rgba(107, 92, 255, 0.18), transparent 45%),
    radial-gradient(ellipse 70% 60% at 50% 100%, rgba(61, 214, 140, 0.08), transparent 55%),
    linear-gradient(180deg, #0f1419 0%, #0a1020 50%, #0f1419 100%);
}

html[data-theme="light"] .patrol-bg-aurora {
  background:
    radial-gradient(ellipse 80% 50% at 15% 0%, rgba(47, 124, 246, 0.14), transparent 52%),
    radial-gradient(ellipse 55% 42% at 92% 12%, rgba(107, 92, 255, 0.1), transparent 48%),
    radial-gradient(ellipse 65% 55% at 50% 100%, rgba(61, 214, 140, 0.06), transparent 52%),
    linear-gradient(180deg, #eef4fc 0%, #f3f7ff 45%, #e8eef6 100%);
}