.ai-qa-widget {
  --aiqa-bg: #ffffff;
  --aiqa-border: #d0d7de;
  --aiqa-text: #24292f;
  --aiqa-primary: #2563eb;
  font-family: Arial, sans-serif;
  background: var(--aiqa-bg);
  border: 1px solid var(--aiqa-border);
  border-radius: 8px;
  padding: 12px;
  max-width: 480px;
  color: var(--aiqa-text);
}

.ai-qa-widget__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e5e7eb;
}

.ai-qa-widget__title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
}

.ai-qa-widget__title-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--aiqa-primary);
}

.ai-qa-widget__messages {
  min-height: 120px;
  max-height: 280px;
  overflow: auto;
  margin-bottom: 10px;
}

.ai-qa-widget__message {
  margin: 6px 0;
  white-space: pre-wrap;
}

.ai-qa-widget__message--question {
  background: #eef2ff;
  padding: 8px;
  border-radius: 6px;
}

.ai-qa-widget__message--assistant {
  background: #f6f8fa;
  padding: 8px;
  border-radius: 6px;
}

.ai-qa-widget__loading {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-qa-widget__spinner {
  width: 16px;
  height: 16px;
  border: 2px solid #cbd5e1;
  border-top-color: var(--aiqa-primary);
  border-radius: 50%;
  animation: aiqa-spin 0.8s linear infinite;
}

@keyframes aiqa-spin {
  to {
    transform: rotate(360deg);
  }
}

.ai-qa-widget__sources {
  margin-top: 8px;
}

.ai-qa-widget__sources-title {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.ai-qa-widget__sources-list {
  margin: 0;
  padding-left: 18px;
}

.ai-qa-widget__sources-item {
  margin: 2px 0;
}

.ai-qa-widget__sources-link {
  color: var(--aiqa-primary);
  text-decoration: underline;
  word-break: break-all;
}

.ai-qa-widget__controls {
  display: flex;
  gap: 8px;
}

.ai-qa-widget__input {
  flex: 1;
  border: 1px solid var(--aiqa-border);
  border-radius: 6px;
  padding: 8px;
}

.ai-qa-widget__button {
  border: none;
  background: var(--aiqa-primary);
  color: #fff;
  border-radius: 6px;
  padding: 8px 10px;
  cursor: pointer;
}