.topic-study-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  width: 100%;
  margin: 0 0 1rem;
}

.topic-study-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  border: 1px solid var(--border, rgba(20, 33, 47, 0.14));
  border-radius: 999px;
  background: var(--surface, rgba(255, 252, 247, 0.92));
  color: var(--text-3, #6f7b89);
  padding: 0 14px;
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.topic-study-nav a:hover,
.topic-study-nav a:focus-visible,
.topic-study-nav a[aria-current='page'] {
  border-color: var(--border2, rgba(20, 33, 47, 0.22));
  background: rgba(26, 79, 138, 0.08);
  color: var(--text-1, #14212f);
  outline: none;
}

@media (max-width: 759px) {
  .topic-study-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }

  .topic-study-nav a {
    flex: 0 0 auto;
  }
}

@media print {
  .topic-study-nav {
    display: none !important;
  }
}