body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  color: #222;
}

.container {
  max-width: 720px;
  margin: 40px auto;
  padding: 24px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
}

.form {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.form input {
  flex: 1;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
}

.form button {
  padding: 12px 16px;
  border: 0;
  border-radius: 8px;
  background: #2563eb;
  color: #fff;
  cursor: pointer;
}

.list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  border-bottom: 1px solid #eee;
}

.item.done .title {
  text-decoration: line-through;
  color: #888;
}

.actions {
  display: flex;
  gap: 8px;
}

.actions button {
  border: 0;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
}

.toggle {
  background: #10b981;
  color: #fff;
}

.delete {
  background: #ef4444;
  color: #fff;
}