body {
  background: #f9f9f9;
  padding: 30px;
}

.tab-content {
  background: white;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.nav-link.active {
  font-weight: 600;
}

li[draggable="true"] {
  cursor: move;
  background: #f8f9fa;
  border: 1px solid #ddd;
  padding: 5px 10px;
  border-radius: 4px;
  margin-bottom: 4px;
}