/* ============================================================================
 * Module Relations — Prerequisite & related module indicators
 *
 * Shows prerequisite and related module links below each module card's
 * description on hub pages so users understand learning order.
 * ============================================================================ */

.module-relations {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

.module-relations__row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.3rem;
  font-size: 0.78rem;
  line-height: 1.5;
}

.module-relations__label {
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.module-relations__chip {
  display: inline-flex;
  align-items: center;
  background: var(--chip-bg);
  border: 1px solid var(--chip-border);
  color: var(--chip-text);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  cursor: pointer;
}

.module-relations__chip:hover {
  background: var(--bg-accent, rgba(255, 138, 91, 0.12));
  border-color: var(--primary, var(--accent));
  color: var(--primary, var(--accent));
}

.module-relations__chip:focus-visible {
  outline: 2px solid var(--focus-ring, rgba(255, 138, 91, 0.6));
  outline-offset: 2px;
}

.module-relations__good-start {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-style: italic;
}

/* Responsive: on small mobile, tighten up spacing */
@media (max-width: 480px) {
  .module-relations {
    gap: 0.3rem;
  }

  .module-relations__chip {
    font-size: 0.68rem;
    padding: 0.12rem 0.45rem;
  }
}