body {
    min-height: 100vh;
    margin: 0;
    background: #f4f6f9;
    font-family: Arial, Helvetica, sans-serif;
}

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 430px;
    background: #ffffff;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.12);
}

.logo-sira {
    width: 75px;
    height: 75px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0d6efd;
    color: white;
    border-radius: 50%;
    font-size: 35px;
}

.login-card h1 {
    font-weight: 700;
    margin-bottom: 5px;
}

.form-control,
.input-group-text {
    height: 48px;
}

.form-control:focus {
    box-shadow: none;
    border-color: #0d6efd;
}

.btn-primary {
    height: 50px;
    font-weight: 600;
}

@media (max-width: 480px) {

    .login-card {
        padding: 25px 20px;
    }

}