.alert-container{position:fixed;top:10px;left:50%;transform:translate(-50%);z-index:9999}.alert{padding:15px 20px;border-radius:8px;font-size:16px;color:#fff;margin-bottom:10px;box-shadow:0 4px 6px #0003;text-align:center;animation:slideIn .5s ease-out}.alert.success{background-color:#4caf50}.alert.error{background-color:#f44336}@keyframes slideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}