:root { --radius-sm:.5rem; --radius-md:.75rem; --radius-lg:1rem; }
.card, .btn, .form-control, .navbar, .dropdown-menu, .alert, .badge { border-radius: var(--radius-md) !important; }
.navbar { height:56px; }
body { background:#f8fafc; }
.container .card { box-shadow: 0 .25rem .75rem rgba(0,0,0,.05); }
input[type="text"], input[type="password"] { letter-spacing: .3px; }