:root {
  --parki-bg-base: #0B0B12;
  --parki-bg-layer-1: #531975;
  --parki-bg-layer-2: #731176;
  --parki-bg-accent: #531975;
  --parki-bg-glow-top: rgba(115, 17, 118, 0.26);
  --parki-bg-glow-mid: rgba(83, 25, 117, 0.2);
  --parki-bg-glow-bottom: rgba(83, 25, 117, 0.16);
  --parki-shell-border: rgba(214, 198, 240, 0.16);
  --parki-shell-fill-top: rgba(14, 13, 21, 0.94);
  --parki-shell-fill-bottom: rgba(28, 18, 43, 0.96);
  --parki-shell-shadow: 0 0 0 1px rgba(255, 255, 255, 0.03), 0 24px 56px rgba(0, 0, 0, 0.34);
}

.parki-premium-bg,
.app-background {
  position: relative;
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  background-color: var(--parki-bg-base);
  background-image:
    radial-gradient(circle at 30% 20%, var(--parki-bg-glow-top), transparent 52%),
    linear-gradient(135deg, var(--parki-bg-base) 0%, var(--parki-bg-layer-1) 54%, var(--parki-bg-layer-2) 78%, var(--parki-bg-base) 100%);
  background-repeat: no-repeat;
  background-size: cover;
}

.parki-premium-bg::before,
.app-background::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.parki-premium-bg::before,
.app-background::before {
  background: radial-gradient(circle at 84% 14%, var(--parki-bg-glow-mid), transparent 48%);
  opacity: 0.82;
  transform: translate3d(0, 0, 0);
}

.parki-premium-bg > *,
.app-background > * {
  position: relative;
  z-index: 1;
}

.parki-app-shell {
  width: min(100%, 580px);
  margin: 0 auto;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--parki-shell-fill-top), var(--parki-shell-fill-bottom));
  border-left: 1px solid var(--parki-shell-border);
  border-right: 1px solid var(--parki-shell-border);
  box-shadow: var(--parki-shell-shadow);
}

@media (prefers-reduced-motion: no-preference) {
  .parki-bg-motion::before,
  .app-background-motion::before {
    animation: parkiAmbientDrift 10s ease-in-out infinite alternate;
    will-change: transform;
  }
}

@keyframes parkiAmbientDrift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-1.4%, 1.2%, 0) scale(1.01);
  }
}