.app-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color, #e0e0e0);
  background: var(--bg-secondary);
  display: flex;
  justify-content: center;
}

.footer-wrapper {
  display: flex;
  gap: 6px;
  align-items: center;
  color: var(--text-secondary);
  font-size: 14px;
}

.footer-link {
  color: #4b6bfb;
  text-decoration: none;
  font-weight: 600;
}

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

/* Intro content styles */
.intro-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: left;
}

.intro-content h3 {
  color: var(--text-primary);
  margin-bottom: 24px;
  font-size: 20px;
  font-weight: 600;
  text-align: center;
}

.intro-sections-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.intro-section {
  padding: 16px;
  background: var(--bg-primary);
  border-radius: 12px;
  border: 1px solid var(--border-color, #e0e0e0);
  height: 140px;
  display: flex;
  flex-direction: column;
}

.intro-section h4 {
  color: var(--text-primary);
  margin: 0 0 12px 0;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.intro-section ul {
  margin: 0;
  padding-left: 16px;
  color: var(--text-secondary);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.intro-section li {
  margin-bottom: 6px;
  line-height: 1.4;
  font-size: 13px;
}

.intro-section li:last-child {
  margin-bottom: 0;
}

/* FAQ Section Styles */
.faq-section {
  margin-top: 32px;
  text-align: center;
}

.faq-toggle {
  background: var(--bg-primary);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 8px;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.faq-toggle .chevron {
  transition: transform 0.2s ease;
}

.faq-toggle.expanded .chevron {
  transform: rotate(180deg);
}

.faq-toggle:hover {
  background: var(--bg-secondary, #f5f5f5);
  border-color: var(--border-hover, #ccc);
}

[data-theme="dark"] .faq-toggle:hover {
  background: var(--bg-secondary, #2a2a2a);
  border-color: var(--border-hover, #555);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  margin-top: 16px;
}

.faq-content.expanded {
  max-height: 2000px;
}

.faq-item {
  background: var(--bg-primary);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  text-align: left;
}

.faq-item:last-child {
  margin-bottom: 0;
}

.faq-item h4 {
  color: var(--text-primary);
  margin: 0 0 12px 0;
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.faq-item p {
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
  font-size: 14px;
}

/* Responsive design for smaller screens */
@media (max-width: 768px) {
  .intro-sections-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .intro-section {
    padding: 14px;
    height: auto;
    min-height: 120px;
  }

  .intro-section h4 {
    font-size: 13px;
  }

  .intro-section li {
    font-size: 12px;
  }

  .faq-item {
    padding: 16px;
  }

  .faq-item h4 {
    font-size: 14px;
  }

  .faq-item p {
    font-size: 13px;
  }

  .faq-toggle {
    padding: 10px 16px;
    font-size: 13px;
  }
}