body { background: linear-gradient(135deg, #1F3864 0%, #2F5496 100%); min-height: 100vh; display: flex; align-items: center; }
.login-card { border: none; border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,.35); }
.login-header { background: linear-gradient(135deg, #1F3864, #2F5496); border-radius: 16px 16px 0 0; padding: 2rem; text-align: center; color: #fff; }
.login-header .icon { font-size: 3rem; margin-bottom: .5rem; }
.login-header .brand-logo-wrap { width: 6rem; height: 4rem; margin: 0 auto .75rem; background: #fff; border-radius: 12px; padding: .5rem .625rem; }
.form-control:focus { border-color: #2F5496; box-shadow: 0 0 0 .25rem rgba(47,84,150,.25); }
.btn-primary { background: #1F3864; border-color: #1F3864; }
.btn-primary:hover { background: #2F5496; border-color: #2F5496; }
.default-creds { background: #f8f9fa; border-radius: 8px; font-size: .8rem; }