/* Fundo moderno desktop */
body {
    background: linear-gradient(120deg, #f4f6fb 0%, #e7ecf5 100%);
}

/* Wrapper centralizado */
.login-wrapper-modern {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Card do login */
.login-card {
    background: #fff;
    padding: 44px;
    border-radius: 20px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 25px 60px rgba(0,0,0,.08);
}

/* Inputs modernos */
.input-group-modern .input-group-text,
.input-group-modern .form-control {
    background: #f5f7fa;
    border: none;
}

.input-group-modern .form-control {
    padding: 12px 14px;
}

/* Botão premium */
.btn-login-modern {
    background: linear-gradient(135deg, #405189, #1c2f65);
    color: #fff;
    border-radius: 12px;
    padding: 12px;
    border: none;
    transition: .3s ease;
}

.btn-login-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(64,81,137,.4);
}