.tc-checklist * { box-sizing: border-box; }

.tc-checklist .segmented-controls {
  text-align: center;
  margin: 20px 0;
}

.tc-checklist button {
  font-size: 14px;
  font-weight: 600;
  padding: 8px 18px;
  margin: 0 8px;
  border: 2px solid #888;
  background: #f2f2f2;
  border-radius: 6px;
  cursor: pointer;
}

.tc-checklist .phase-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.tc-checklist .phase-item {
  display: block !important;
  width: 100%;
  max-width: 640px;
  border: 2px solid #ccc;
  border-radius: 8px;
  background: #fff;
}

.tc-checklist .phase-title {
  padding: 14px 18px;
  font-size: 18px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
}

.tc-checklist .phase-content {
  display: none;
  padding: 12px 22px 18px;
}

.tc-checklist .back-to-phases {
  text-align: center;
  font-size: 14px;
  margin-bottom: 12px;
  cursor: pointer;
  color: #555;
}