/* Auth Center Toast 通知组件
 * 无依赖，兼容 WebView / 现代浏览器，支持深浅色主题
 */
#toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: min(360px, calc(100vw - 32px));
  pointer-events: none;
}

.toast-item {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 14px 12px;
  border-radius: 14px;
  background: rgb(var(--toast-bg, 255 255 255));
  color: rgb(var(--toast-fg, 30 30 30));
  box-shadow: 0 8px 30px rgba(0, 0, 0, .18), 0 2px 8px rgba(0, 0, 0, .08);
  border: 1px solid rgb(var(--toast-border, 230 230 230));
  font-size: 13px;
  line-height: 1.5;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateX(120%);
  transition: transform .32s cubic-bezier(.21, 1.02, .73, 1), opacity .28s ease;
}

.toast-item.toast-in {
  opacity: 1;
  transform: translateX(0);
}

.toast-item.toast-out {
  opacity: 0;
  transform: translateX(120%);
  transition: transform .28s ease-in, opacity .25s ease;
}

/* 类型色条（左侧内嵌圆角） */
.toast-item::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 2px;
  background: var(--toast-accent, #888);
}

/* 图标 */
.toast-icon {
  flex: 0 0 26px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-top: 1px;
}

.toast-body {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-weight: 600;
  font-size: 13.5px;
  margin-bottom: 2px;
  word-break: break-word;
}

.toast-desc {
  font-size: 12.5px;
  opacity: .72;
  word-break: break-word;
}

/* 倒计时进度条 */
.toast-timer {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2.5px;
  background: var(--toast-accent, #888);
  opacity: .55;
  width: 100%;
  transform-origin: left;
  animation: toast-timer linear forwards;
}

@keyframes toast-timer {
  from { transform: scaleX(1); }
  to   { transform: scaleX(0); }
}

/* 关闭按钮 */
.toast-close {
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  border: none;
  background: none;
  color: inherit;
  opacity: .45;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: -2px -4px 0 0;
  transition: opacity .15s;
}

.toast-close:hover { opacity: .9; }

/* 类型配色 */
.toast-success { --toast-accent: #1b8a5a; }
.toast-success .toast-icon { background: #1b8a5a; }

.toast-error { --toast-accent: #d93025; }
.toast-error .toast-icon { background: #d93025; }

.toast-warning { --toast-accent: #e8710a; }
.toast-warning .toast-icon { background: #e8710a; }

.toast-info { --toast-accent: #1a73e8; }
.toast-info .toast-icon { background: #1a73e8; }

/* 加载中：旋转 */
.toast-loading { --toast-accent: #7b5cd6; }
.toast-loading .toast-icon {
  background: #7b5cd6;
  animation: toast-spin 1s linear infinite;
}

@keyframes toast-spin {
  to { transform: rotate(360deg); }
}

/* 深色主题 */
html[data-theme='dark'] .toast-item {
  --toast-bg: 40 40 45;
  --toast-fg: 235 235 235;
  --toast-border: 60 60 68;
}

/* 移动端：顶部居中铺满 */
@media (max-width: 560px) {
  #toast-container {
    top: 10px;
    right: 10px;
    left: 10px;
    max-width: none;
  }
  .toast-item {
    transform: translateY(-120%);
  }
  .toast-item.toast-in { transform: translateY(0); }
  .toast-item.toast-out { transform: translateY(-120%); }
}