.flash-stack {
  position: fixed;
  z-index: 60;
  inset-block-start: max(var(--space-md), env(safe-area-inset-top));
  inset-inline-start: 50%;
  display: grid;
  justify-items: center;
  gap: var(--space-sm);
  inline-size: min(calc(100% - (2 * var(--space-md))), 38rem);
  pointer-events: none;
  transform: translateX(-50%);
}

.flash {
  --flash-background: var(--color-neutral-1200);

  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  inline-size: fit-content;
  max-inline-size: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--flash-background);
  color: var(--color-neutral-0);
  pointer-events: auto;
}

.flash__message {
  align-self: center;
  padding: var(--space-sm) var(--space-lg);
}

.flash__dismiss {
  display: grid;
  place-items: center;
  min-inline-size: 2.75rem;
  min-block-size: 2.75rem;
  padding: 0;
  background: transparent;
  color: inherit;
}

.flash__dismiss[hidden] {
  display: none;
}

.flash__dismiss:focus-visible {
  outline: 3px solid var(--color-neutral-0);
  outline-offset: -5px;
}

@media (hover: hover) {
  .flash__dismiss:hover {
    background: color-mix(in srgb, var(--flash-background) 80%, black);
  }
}

.flash--alert {
  --flash-background: var(--color-action-danger);
}

@keyframes flash-leave {
  to {
    opacity: 0;
    transform: translateY(calc(-100vh - 100%));
  }
}

.flash--leaving {
  animation: flash-leave 800ms ease-in forwards;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .flash--leaving {
    animation: none;
  }
}