/* Middle School 5 Educational Etiquette Guidelines & Quiz Styles */

.etiquette-hub-container {
  max-width: 1080px;
  margin: 1.5rem auto 4rem;
}

.etiquette-domain-nav {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  padding-bottom: 0.75rem;
  margin-bottom: 2rem;
  scrollbar-width: thin;
}

.domain-pill-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.domain-pill-btn:hover, .domain-pill-btn.active {
  background: var(--brand-black);
  color: #FFFFFF;
  border-color: var(--brand-black);
  box-shadow: var(--shadow-sm);
}

/* Domain Detail Guide Card */
.domain-guide-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2.5rem;
}

.domain-rules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 1.75rem 0;
}

.rule-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  border-left: 4px solid var(--color-blue);
}

.rule-title {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.rule-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

@media (max-width: 768px) {
  .domain-rules-grid {
    grid-template-columns: 1fr;
  }
}