body {
    background-color: #f8f9fa; /* Fundo clean */
    font-family: 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

header img {
    max-width: 180px;
    margin-bottom: 10px;
}

.text-primary {
    color: #000;
    font-size: 20px;
}

h1 {
    font-size: 2rem;
    color: #007bff;
    font-weight: bold;
}

main.container {
    max-width: 600px; /* Limite de largura do formulário */
}

form {
    background-color: #ffffff; /* Fundo branco para contraste */
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

footer {
    background-color: #ffffff;
    color: #6c757d;
    padding: 15px 0;
    font-size: 0.9rem;
    border-top: 1px solid #dee2e6;
}

.form-label {
    font-weight: 600;
    color: #495057;
}

input, textarea {
    border-radius: 5px;
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #004085;
}