.sheet-preview iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
}

.sheet-preview-loading,
.sheet-preview-error {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  color: var(--muted);
  font-weight: 700;
  text-align: center;
}

.sheet-preview-error {
  color: #b42318;
}