:root {
  --startup-background: 218 65% 8%;
  --startup-foreground: 42 55% 96%;
  --startup-accent: 42 93% 66%;
}
.startup-screen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 0;
  background: hsl(var(--startup-background));
  color: hsl(var(--startup-foreground));
  font-family: Georgia, serif;
}
.startup-screen strong { color: hsl(var(--startup-accent)); font-size: 28px; font-weight: 400; }
.startup-screen span { font: 14px system-ui, sans-serif; }
.startup-screen i {
  width: 24px;
  height: 24px;
  border: 2px solid hsl(var(--startup-foreground) / .25);
  border-top-color: hsl(var(--startup-accent));
  border-radius: 50%;
  animation: startup-spin 1s linear infinite;
}
@keyframes startup-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .startup-screen i { animation: none; } }