.login-wrap {
    padding: 20px 12px;
}

.c_login {
    width: min(420px, calc(100vw - 24px));
    background: var(--card-bg, #fff);
    border: 1px solid var(--card-border, #d8e1ec);
    border-radius: 18px;
    box-shadow: 0 16px 34px rgba(18, 35, 56, 0.15);
    padding: 10px 18px 16px;
}

.c_login label {
    font-weight: 700;
}

.c_login .form-control {
    height: 42px;
    border-radius: 10px;
}

.c_login #bt_entrar {
    min-width: 130px;
    border-radius: 10px;
    font-weight: 700;
}

.c_login img {
    filter: drop-shadow(0 8px 14px rgba(15, 38, 64, 0.18));
}

html.dark-mode .c_login {
    background: #1b2333;
    border-color: #31445f;
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.45);
}