.flash {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-block-end: var(--block-space-double);
}

.flash:empty {
  display: none;
  margin: 0;
}

.flash .notice {
  box-shadow:
    0 1px 2px oklch(var(--lch-black) / 0.03),
    0 4px 14px oklch(var(--lch-black) / 0.05);
}