.toast-stack{z-index:5000;flex-direction:column;gap:.75rem;max-width:min(92vw,380px);display:flex;position:fixed;bottom:1.5rem;right:1.5rem}.toast{color:#fff;border-radius:12px;padding:.9rem 1.25rem;font-size:.95rem;font-weight:500;animation:.25s cubic-bezier(.16,1,.3,1) toast-in;box-shadow:0 10px 30px #0f172a40}.toast-success{background:#10b981}.toast-error{background:#ef4444}.toast-info{background:#0ea5e9}@keyframes toast-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (width<=640px){.toast-stack{align-items:stretch;bottom:1rem;left:1rem;right:1rem}}