.toast{position:fixed;bottom:1.5rem;right:1.5rem;z-index:10000;background:var(--surface);color:var(--text);padding:.7rem 1rem;border-radius:.55rem;font-size:12.5px;border:1px solid var(--border);box-shadow:0 8px 20px rgba(0,0,0,.3);transform:translateY(20px);opacity:0;transition:transform .25s cubic-bezier(.34,1.56,.64,1),opacity .2s;font-weight:500}
.toast.show{transform:translateY(0);opacity:1}
.toast.success{border-left:3px solid var(--pos)}
.toast.error{border-left:3px solid var(--neg);color:var(--neg)}

/* toast com ação (Desfazer) */
.toast.toast-acao { display: flex; align-items: center; gap: .8rem; }
.toast-btn {
  background: #4f46e5; color: #fff; border: 1px solid #4f46e5;
  font-size: .72rem; font-weight: 700; padding: .25rem .7rem; border-radius: .35rem; cursor: pointer;
  white-space: nowrap; flex-shrink: 0;
}
.toast-btn:hover { background: #4338ca; }