.login-shell { max-width: 470px; margin: 1.5rem auto; }
.login-shell h1 { font-size: 1.9rem; margin: .75rem 0; }
.login-intro { font-size: .9rem; line-height: 1.7; margin-bottom: 1.5rem; }
.login-panel { margin: 0; padding: 1.5rem; }
.login-form .form-control { min-height: 42px; background: #f0f4fa; }
.login-form .form-label { font-weight: 500; }
.login-form .btn { min-height: 40px; }
.login-links { display: flex; justify-content: space-between; gap: 1rem; margin: 1.25rem 0 2.5rem; font-size: .875rem; }
.login-providers .provider { min-height: 42px; }
@media (max-width: 480px) {
    .login-shell { margin: 1rem auto; }
    .login-panel { padding: 1.25rem; }
}