/* 轻量附属样式：toast 提示 + 弹层抖动（配合 app.js 的 toast() 与口令弹层） */

.toast-host {
  position: fixed;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 90;
  pointer-events: none;
}
.toast {
  background: #1c1b19;
  color: #fbfaf7;
  font-size: 13px;
  padding: 9px 18px;
  border-radius: 8px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .22s ease, transform .22s ease;
}
.toast.show { opacity: 1; transform: translateY(0); }

.shake { animation: shake .32s ease; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-7px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(3px); }
}