* {
  box-sizing: border-box;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans',
    'Helvetica Neue', sans-serif;
  background-color: #f5f5f5;
  margin: 0;
  padding: 20px;
}

h1 {
  color: #333;
  margin-bottom: 10px;
}

p {
  color: #666;
  margin-bottom: 20px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 300px;
}

input {
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
}

input:focus {
  outline: none;
  border-color: #3ecf8e;
}

button {
  padding: 12px 24px;
  background-color: #3ecf8e;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.2s;
}

button:hover {
  background-color: #2db97a;
}

button:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}