.msi-survey-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  display: none;
  z-index: 100000;
}

.msi-survey-modal {
  max-width: 620px;
  margin: 8vh auto;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
  padding: 20px 22px 18px;
  box-sizing: border-box;
}

.msi-survey-modal h2 {
  margin-top: 0;
  margin-bottom: 14px;
  font-size: 18px;
}

.msi-survey-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.msi-survey-option {
  padding: 8px 10px 6px;
  border-radius: 6px;
  border: 1px solid #e3e3e3;
  background: #fafafa;
  transition: background .15s, border-color .15s;
}

.msi-survey-option.active {
  background: #f0f6ff;
  border-color: #2271b1;
}

.msi-survey-label {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 2px;
}

.msi-survey-hint,
.msi-survey-details {
  display: none;
}

.msi-survey-option.active .msi-survey-hint,
.msi-survey-option.active .msi-survey-details {
  display: block;
}

.msi-survey-hint {
  margin: 0 0 4px;
  font-size: 12px;
  color: #555;
}

.msi-survey-details {
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 6px 8px;
  font-size: 12px;
  resize: vertical;
}

.msi-survey-note {
  margin: 4px 2px 0;
  font-size: 11px;
  color: #777;
}

.msi-survey-error {
  margin: 4px 2px 0;
  font-size: 11px;
  color: #d63638;
}

.msi-survey-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 14px;
}