/* ─── Video Player Block ──────────────────────────────── */
.lesson-video-block {
  margin-bottom: var(--space-xl);
}

.video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-md);
}

.video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.lesson-block-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: var(--fw-semibold);
  color: var(--dark);
  margin-bottom: var(--space-sm);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.lesson-block-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-size: 0.7rem;
  flex-shrink: 0;
}