* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: whitesmoke;
}

.container {
  width: 90%;
  max-width: 600px;
  margin: 2rem auto;
  padding: 20px;
  background-color: white;
  border-radius: 12px;
}

h1 {
  text-align: center;
  margin-bottom: 2rem;
}

.todo-status-area {
  display: flex;
  margin-bottom: 2rem;
  gap: 1rem;
}

.status-box {
  flex: 1;
  background-color: whitesmoke;
  padding: 1rem;
  border-radius: 0.5rem;
  text-align: center;
  border: 1px solid lightgray;
}

.status-label {
  margin-bottom: 0.5rem;
}

.status-count {
  font-size: 1.5rem;
  font-weight: bold;
  color: blue;
}

.todo-input-area {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.todo-input {
  flex: 1;
  padding: 1rem;
  border: 1px solid lightgray;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.todo-input:focus {
  outline: none;
}

.edit-todo-input {
  flex: 1;
  padding: 0.5rem;
  margin: 0 1rem;
  border: 1px solid lightgray;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.edit-todo-input {
  outline: none;
}

.button {
  padding: 1rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  color: white;
  cursor: pointer;
  transition: opacity 0.3s;
}

.button:hover {
  opacity: 0.9;
}

.todo-add-button {
  background-color: blue;
}

.todo-list-area {
  margin-top: 1rem;
}

.todo-list {
  list-style: none;
}

.todo-item {
  display: flex;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid lightgray;
}

.todo-text {
  flex: 1;
  margin: 0 1rem;
}

.todo-button-area {
  display: flex;
  gap: 0.5rem;
}

.todo-edit-button {
  background-color: darkgray;
  padding: 0.5rem 1rem;
}

.todo-delete-button {
  background-color: tomato;
  padding: 0.5rem 1rem;
}

.todo-save-button {
  background-color: lightseagreen;
  padding: 0.5rem 1rem;
}