body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f9;

    display: flex;
    justify-content: center;
    align-items: center;

    height: 100vh;
}

.container-login {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.container-login h1 {
    margin-bottom: 25px;
    color: #333;
}

.card-login {
    background: white;

    width: 350px;

    padding: 30px;

    border-radius: 10px;

    box-shadow: 0 0 15px rgba(0,0,0,0.1);

    display: flex;
    flex-direction: column;
}

.card-login label {
    margin-top: 10px;
    margin-bottom: 5px;
    font-weight: bold;
}

.card-login input {
    padding: 10px;

    border: 1px solid #ccc;

    border-radius: 5px;
}

.card-login button {
    margin-top: 20px;

    padding: 12px;

    border: none;

    border-radius: 5px;

    cursor: pointer;

    background: #0d6efd;
    color: white;

    font-size: 16px;
}

.card-login button:hover {
    opacity: 0.9;
}

#mensagem {
    margin-top: 15px;

    text-align: center;

    color: red;
}