.activity-video {
  margin: 0.75rem 0;
  border: 2px solid var(--app-line, var(--app-border));
  border-radius: 1rem;
  background: var(--app-card);
}
.activity-video summary {
  min-height: var(--touch-target, 56px);
  display: flex;
  align-items: center;
  padding: 0 1rem;
  font-weight: 700;
  cursor: pointer;
}
.activity-video-frame {
  padding: 0 0.75rem 0.75rem;
}
.activity-video iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  border-radius: 0.75rem;
}