.login-shell{background:radial-gradient(circle at top right, var(--bs-primary-bg-subtle), transparent 60%), radial-gradient(circle at bottom left, var(--bs-info-bg-subtle), transparent 60%);justify-content:center;align-items:center;min-height:100vh;padding:2rem 1rem;display:flex}.login-card{border:1px solid var(--bs-border-color);width:100%;max-width:420px}.login-logo{color:var(--bs-primary);font-size:2.5rem}[data-bs-theme=dark] .login-shell{background:radial-gradient(circle at 100% 0,#0d6efd26,#0000 60%),radial-gradient(circle at 0 100%,#0dcaf01f,#0000 60%)}