/* Top banner */
.course-links {
  position: sticky;
  top: 0;
  z-index: 1000;

  /* subtle separation from content */
  border-bottom: 1px solid rgba(0,0,0,0.12);

  /* works fine with most themes */
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
}

.course-links__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.55rem 1rem;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.course-links__left {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.course-links__brand {
  font-weight: 700;
  text-decoration: none;
}

.course-links__sep {
  opacity: 0.6;
}

.course-links__page {
  opacity: 0.8;
}

.course-links__right {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.course-links__btn {
  text-decoration: none;
  padding: 0.35rem 0.65rem;
  border: 1px solid rgba(0,0,0,0.20);
  border-radius: 999px;
  font-size: 0.95rem;
}

/* Make sure your actual content doesn't hide under the sticky bar when jumping to headings */
html {
  scroll-padding-top: 4rem;
}

/* Footer */
.course-footer {
  margin-top: 3rem;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(0,0,0,0.12);
  opacity: 0.9;
}

.course-footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.course-footer__sep {
  opacity: 0.6;
}

/* Attention callout used in labs and slides
   - slightly larger text and theme color
   - use by adding {.callout-attention} to a block or blockquote
*/
.callout-attention {
  color: #1E4D2B; 
  font-size: 1.1em;
  font-weight: 600;
  line-height: 1.35;
  background-color: #dee49d52; /* match code/pre background */
  /*border: 1px solid rgba(0,0,0,0.08);
  border-radius: 3px;*/
  padding: 0.5rem 0.75rem;
}