.back-link {
  display: inline-block;
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.back-link:hover {
  color: var(--accent);
}

.learn-main {
  padding-bottom: 64px;
}

.learn-path h2,
.learn-reference h2 {
  font-size: 1.2rem;
  margin: 32px 0 16px;
}

.path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.path-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-decoration: none;
  color: var(--ink);
}

.path-item:hover {
  border-color: var(--accent);
}

.path-step {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
}

.reference-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.reference-card {
  text-decoration: none;
  color: inherit;
  display: block;
}

.reference-card h3 {
  font-size: 1.05rem;
  margin: 0 0 10px;
}

.reference-card p {
  color: var(--ink-dim);
  font-size: 0.92rem;
  margin: 0;
}

.topic-title {
  font-size: 1.8rem;
  margin: 0 0 20px;
}

.topic-body p {
  color: var(--ink-dim);
  font-size: 1.02rem;
  margin: 0 0 16px;
}

.topic-body ul {
  color: var(--ink-dim);
  margin: 0 0 16px;
  padding-left: 20px;
}

.topic-body li {
  margin-bottom: 8px;
}

.topic-pager {
  display: flex;
  justify-content: space-between;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.pager-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.92rem;
}

.pager-link:hover {
  text-decoration: underline;
}

.topic-related {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 8px 0 24px;
}

.related-link {
  display: inline-block;
  color: var(--accent);
  background: var(--accent-dim);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.9rem;
  text-decoration: none;
}

.related-link:hover {
  filter: brightness(1.1);
}