.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: #1e1e1e;
  color: #fff;
  padding: 16px 24px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.7);
  opacity: 0;
  transition: all 0.3s ease-in-out;
  z-index: 9999;
}
.toast.show {
  opacity: 1;
  top: 40px;
}
.toast.success { border-left: 5px solid #4caf50; }
.toast.error   { border-left: 5px solid #f44336; }
.toast.warning { border-left: 5px solid #ff9800; }