body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #01438f;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif, sans-serif;
}

/* DESKTOP: mantém como está hoje */
.login-container {
    max-width: 400px;
    margin: 0 auto;
    margin-top: 50px;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo {
    margin-bottom: 20px;
}

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

input[type="text"],
input[type="password"] {
    width: 80%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-bottom: 15px;
}

button[type="submit"] {
    background-color: #007bff;
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
}

button[type="submit"]:hover {
    background-color: #0056b3;
}

/* =========================
   MOBILE: centralizado e maior
   ========================= */
@media (max-width: 768px) {
    html, body {
        height: 100%;
    }

    body {
        min-height: 100dvh;            /* melhor no mobile que 100vh */
        display: flex;
        align-items: center;
        justify-content: center;

        padding: 14px;                 /* margem nas bordas */
        box-sizing: border-box;
    }

    .login-container {
        width: 92vw;                   /* quase tela toda */
        max-width: 520px;              /* evita ficar gigante em tablets */
        margin: 0;                     /* remove margin-top do desktop */
        padding: 28px 20px;

        border-radius: 14px;
    }

    h2 {
        font-size: 18px;
        margin: 10px 0 18px;
    }

    .logo img {
        max-width: 78%;
        height: auto;
    }

    input[type="text"],
    input[type="password"] {
        width: 100%;
        padding: 14px 12px;
        font-size: 16px;              /* evita zoom no iOS */
        box-sizing: border-box;
    }

    button[type="submit"] {
        width: 100%;
        padding: 14px 16px;
        font-size: 16px;
    }
}