.cai-engagement-gate {
  margin: 32px 0;
  padding: 24px;
  background: #f8f9fa;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  position: relative;
  overflow: hidden;
}

.cai-engagement-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 20px;
  color: white;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}

.cai-engagement-badge--unlocked {
  background: #16a34a !important;
}

.cai-badge-icon {
  font-size: 16px;
}

.cai-engagement-title {
  margin: 0 0 12px 0;
  font-size: 20px;
  font-weight: 700;
  color: #111827;
}

.cai-engagement-description {
  margin: 0 0 20px 0;
  color: #6b7280;
  font-size: 16px;
}

.cai-engagement-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cai-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: white;
  border: 2px solid #e5e7eb;
  border-radius: 12px;
  color: #374151;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.cai-action-btn:hover {
  border-color: #d1d5db;
  background: #f9fafb;
  transform: translateY(-1px);
}

.cai-action-btn--success {
  background: #dcfce7;
  border-color: #16a34a;
  color: #15803d;
}

.cai-action-btn--error {
  background: #fef2f2;
  border-color: #dc2626;
  color: #dc2626;
}

.cai-action-separator {
  color: #9ca3af;
  font-size: 14px;
}

.cai-engagement-content {
  display: none;
}

.cai-engagement-body {
  margin-top: 16px;
}

.cai-sources,
.cai-tools,
.cai-materials {
  margin-bottom: 20px;
}

.cai-sources h4,
.cai-tools h4,
.cai-materials h4 {
  margin: 0 0 12px 0;
  font-size: 16px;
  font-weight: 600;
  color: #374151;
}

.cai-sources ul,
.cai-tools ul,
.cai-materials ul {
  margin: 0;
  padding-left: 20px;
}

.cai-sources li,
.cai-tools li,
.cai-materials li {
  margin-bottom: 8px;
  color: #6b7280;
}

.cai-sources a {
  color: #2563eb;
  text-decoration: none;
}

.cai-sources a:hover {
  text-decoration: underline;
}

@media (max-width: 640px) {
  .cai-engagement-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .cai-action-btn {
    justify-content: center;
  }
  
  .cai-action-separator {
    text-align: center;
  }
}