.flash {
  display: flex;
  justify-content: center;
  position: fixed;
  top: calc(var(--block-space, 1rem) + env(safe-area-inset-top, 0px));
  left: 0;
  right: 0;
  z-index: 9999;
  pointer-events: none;
}

.flash__inner {
  animation: appear-then-fade 3s 300ms both;
  background-color: var(--color-text);
  border-radius: 4em;
  color: var(--color-bg);
  display: inline-flex;
  font-size: var(--font-size-medium);
  padding: 0.7em 1.4em;
  box-shadow: 0 4px 12px oklch(0 0 0 / 0.15);
  max-width: calc(100vw - 2rem);
  text-align: center;
}