/* Estilo padrão */
body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 600px;
    margin: 50px auto;
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    font-size: 1.8em;
    margin-bottom: 20px;
}

.message {
    padding: 10px;
    border-radius: 3px;
    margin-bottom: 20px;
}

.message.success {
    background: #e0ffe0;
    color: #2d6a2d;
}

.message.error {
    background: #ffe0e0;
    color: #9e2a2a;
}

form {
    margin-top: 20px;
}

label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 3px;
}

button {
    width: 100%;
    padding: 10px;
    background: #0077cc;
    color: #fff;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

button:hover {
    background: #005fa3;
}

/* Ajustes para tablets */
@media (max-width: 768px) {
    .container {
        margin: 20px auto;
        padding: 15px;
    }

    h1 {
        font-size: 1.5em;
    }

    input[type="text"],
    input[type="password"] {
        padding: 8px;
    }

    button {
        padding: 8px;
    }
}

/* Ajustes para smartphones */
@media (max-width: 480px) {
    .container {
        margin: 10px auto;
        padding: 10px;
    }

    h1 {
        font-size: 1.2em;
    }

    input[type="text"],
    input[type="password"] {
        padding: 6px;
        font-size: 0.9em;
    }

    button {
        padding: 6px;
        font-size: 0.9em;
    }
}