/* explainPl section on topic pages */
.exercise-explain-box {
  max-width: 720px;
  padding: 20px 24px;
  border-radius: var(--radius-lg, 12px);
  background: var(--surface-alt, #f8fafb);
  border: 1px solid var(--border-subtle, #e2e8f0);
}

.exercise-explain-overview {
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0 0 16px;
}

.exercise-explain-subhead {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 16px 0 8px;
}

.exercise-explain-list {
  margin: 0 0 8px;
  padding-left: 1.25rem;
  line-height: 1.55;
}

.exercise-explain-list--mistakes li {
  color: var(--fg-muted, #475569);
}

.exercise-explain-when {
  margin: 0;
  line-height: 1.55;
}

.exercise-explain-levels {
  margin-top: 16px;
}

.exercise-explain-levels summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--teal, #0d9488);
}

.exercise-explain-level-list {
  margin: 12px 0 0;
  padding-left: 1.25rem;
  line-height: 1.55;
}

.exercise-topic-status-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--surface-alt, #f1f5f9);
  color: var(--fg-muted, #64748b);
}

.exercise-topic-status-badge--exercises {
  background: #ccfbf1;
  color: #0f766e;
}

.exercise-topic-status-badge--pdf {
  background: #e0e7ff;
  color: #3730a3;
}

.exercise-print-link {
  margin-left: 8px;
  color: var(--teal, #0d9488);
  font-weight: 600;
  text-decoration: none;
}

.exercise-print-link:hover {
  text-decoration: underline;
}