.toast{
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(46,229,157,.45);
  background: rgba(16,21,38,.80);
  backdrop-filter: blur(12px);
  box-shadow: 0 14px 45px rgba(0,0,0,.35);
  color: rgba(233,237,247,.95);
  display:none;
  z-index: 200;
}
.toast.open{display:block}