@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.login-card{animation:fadeInUp .6s ease-out}.login-card:hover{box-shadow:0 25px 50px -12px #00000040;transition:box-shadow .3s ease}.btn-loading{position:relative}.btn-loading:after{content:"";position:absolute;width:16px;height:16px;margin:auto;border:2px solid transparent;border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:640px){.login-card{margin:1rem;padding:2rem 1.5rem}}