button {
    padding: 8px 16px;
    font-size: 1rem;
    border: none;
    border-radius: 6px;
    background-color: #007bff;
    color: white;
    cursor: pointer;
    transition: background-color 0.2s ease;
    margin: 4px;
}

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

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

select,
input[type="text"] {
    padding: 0.5rem;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    width: 100%;
    max-width: 400px;
}

.mensagem-vazia {
    text-align: center;
    font-style: italic;
    color: #888;
    margin: 1rem 0;
    font-size: 1rem;
}