body {
  padding: 50px;
  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
}

a {
  color: #00B7FF;
}

h1 {
  text-align: center;
  color: #333;
}

ul {
  list-style: none;
  padding: 0;
}

li {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 16px 24px;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.li-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

span {
  font-size: 16px;
  font-weight: 500;
  color: #333;
}

button {
  padding: 8px 16px;
  border: none;
  background-color: #007BFF;
  color: white;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

button:hover {
  background-color: #0056b3;
}

.controls-wrapper {
  width: 100%;
  margin-top: 12px;
  gap: 8px;
}

.controls-wrapper input {
  flex: 1;
  padding: 8px 16px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}