toast-view-wc{position:fixed;top:16px;left:50%;transform:translateX(-50%) translateY(-20px);padding:12px 24px;border-radius:8px;font-size:.9rem;color:#fff;opacity:0;transition:opacity .3s ease,transform .3s ease;z-index:1000;display:flex;align-items:center;gap:8px}toast-view-wc.visible{opacity:1;transform:translateX(-50%) translateY(0)}toast-view-wc.success{background-color:var(--wu-green)}toast-view-wc.error{background-color:var(--wu-red)}