/* Meta feed + Stories preview frames rendered from branded HTML mocks. */
.preview-frames {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.7fr);
  gap: 16px;
  margin-top: 18px;
}
.preview-frame {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #0c0d0b;
  overflow: hidden;
  min-width: 0;
}
.preview-frame-label {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}
.preview-frame iframe {
  display: block;
  width: 100%;
  border: 0;
  background: transparent;
}
.preview-frame[data-kind="feed"] iframe { height: 360px; }
.preview-frame[data-kind="stories"] iframe { height: 420px; }
.brand-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
}
.brand-chip img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--panel);
}
.brand-swatches { display: inline-flex; gap: 6px; }
.brand-swatches span {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.2);
}
@media (max-width: 720px) {
  .preview-frames { grid-template-columns: 1fr; }
  .preview-frame[data-kind="feed"] iframe,
  .preview-frame[data-kind="stories"] iframe { height: 380px; }
}