.todo-app {
  max-width: 500px;
  margin: 2rem auto;
  padding: 1.5rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: white;
}

.todo-app h2 {
  text-align: center;
  margin-bottom: 1.25rem;
}

#addTaskForm {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

#addTaskForm input {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}

#addTaskForm button {
  padding: 0.5rem 1rem;
  background: #28a745;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

#taskList {
  list-style: none;
  padding: 0;
}

#taskList li {
  display: flex;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid #eee;
}

#taskList input[type="checkbox"] {
  margin-right: 0.75rem;
}

.task-text {
  flex: 1;
  font-size: 1rem;
}

.task-text.completed {
  text-decoration: line-through;
  color: #888;
}

.delete-btn {
  background: none;
  border: none;
  color: #dc3545;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0 0.5rem;
}