.popover-demo {
  display: flex;
  justify-content: center;
  padding-block: 4.5rem;
}

.popover {
  background-color: var(--spruce-base-color-surface);
  border: var(--spruce-border-width-base) solid var(--spruce-base-color-border);
  border-radius: var(--spruce-border-radius-lg);
  box-shadow: var(--spruce-shadow-xl);
  color: var(--spruce-base-color-text);
  inline-size: min(22rem, 100vi - 1.5rem);
  inset: auto;
  margin: 0;
  padding: 1.5rem;
  position-area: block-end;
  position-try-fallbacks: flip-block;
}
.popover > * {
  margin-block-end: 0;
  margin-block-start: 0;
}
.popover > * + * {
  margin-block-start: 1rem;
}
@supports not (position-area: block-end) {
  .popover {
    inset: 0;
    margin: auto;
    max-block-size: max-content;
  }
}
.popover::backdrop {
  background-color: transparent;
}
@media (prefers-reduced-motion: no-preference) {
  .popover:popover-open {
    animation: popover-in 0.15s ease-out;
  }
}
.popover__header {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
}
.popover__title {
  font-size: 1rem;
  margin: 0;
}
.popover__text {
  color: var(--spruce-base-color-muted);
  font-size: var(--spruce-font-size-sm);
}
.popover .form-group--stacked .form-control {
  min-inline-size: 0;
}

@keyframes popover-in {
  from {
    opacity: 0;
    translate: 0 -0.25rem;
  }
}