body {
  font-family: 'Segoe UI', system-ui, sans-serif;
}

.todo-card {
  transition: box-shadow 0.15s ease;
}

.todo-card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.nav-tabs .nav-link {
  cursor: pointer;
}

#empty-msg {
  font-size: 1.1rem;
}