.wpkb-toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#111;color:#fff;padding:10px 14px;border-radius:8px;opacity:0;pointer-events:none;transition:opacity .2s ease, transform .2s ease;z-index:999999;font:600 14px/1.2 system-ui,-apple-system,Segoe UI,Roboto,Arial}
.wpkb-toast.show{opacity:1;transform:translateX(-50%) translateY(-4px);}