.toast{
  position: fixed; top: 16px; right: 16px;
  padding: 10px 14px; border-radius: 14px;
  background: rgba(0, 193, 16, 0.85); color:#fff; font-weight: 600; font-size: 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
  opacity: 0; transform: translateY(-10px);
  transition: opacity .18s ease, transform .18s ease;
  z-index: 12000;
  pointer-events: none;
}

body.light .toast{ background: rgba(0, 193, 16, 0.85); color: #fff; }