/* ---------------------------------------------------------------------------
   Docsify Starter — 自定义样式

   右下角主题按钮与微信公众号二维码。
   --------------------------------------------------------------------------- */

.app-controls {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 55;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

#app-controls .app-control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 40px;
  height: 40px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--sidebar-border-color, rgba(127, 127, 127, 0.25));
  border-radius: 50%;
  background: var(--color-bg, #fff);
  color: var(--color-text, #333);
  font: inherit;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    background-color 0.15s ease,
    color 0.15s ease;
}

#app-controls .app-control:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
  /* 覆盖核心主题给 button[type]:hover 加的整块描边 */
  outline: 0;
}

#app-controls .app-control:focus-visible {
  outline: 2px solid var(--theme-color, #0b85d7);
  outline-offset: 2px;
}

#app-controls .app-control svg {
  display: block;
  width: 20px;
  height: 20px;
}

/* 从上到下：主题 → 公众号（可选） */
#app-controls #theme-toggle {
  order: 2;
}

/* 可选微信公众号二维码 */
.wechat-control {
  position: relative;
  order: 3;
  display: flex;
  flex: none;
}

.wechat-panel {
  position: absolute;
  right: calc(100% + 0.75rem);
  bottom: 0;
  z-index: 1;
  width: min(230px, calc(100vw - 7rem));
  padding: 10px;
  border: 1px solid var(--sidebar-border-color, rgba(127, 127, 127, 0.25));
  border-radius: 12px;
  background: var(--color-bg, #fff);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  pointer-events: none;
  transition:
    opacity 0.15s ease,
    transform 0.15s ease,
    visibility 0.15s ease;
}

/* 透明桥接区域，避免鼠标从按钮移向卡片时经过间隙导致收起 */
.wechat-panel::after {
  content: '';
  position: absolute;
  top: 0;
  right: -0.75rem;
  bottom: 0;
  width: 0.75rem;
}

.wechat-control.is-open .wechat-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.wechat-qrcode {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  border-radius: 6px;
  background: #fff;
}

.wechat-text {
  margin: 0.55rem 0 0.05rem;
  color: var(--theme-color-6, var(--theme-color, #0b85d7));
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.45;
  text-align: center;
  text-wrap: balance;
}

@media screen and (max-width: 640px) {
  .app-controls {
    right: 0.9rem;
    bottom: 0.9rem;
  }

  #app-controls .app-control {
    width: 36px;
    height: 36px;
  }

  #app-controls .app-control svg {
    width: 18px;
    height: 18px;
  }
}

@media print {
  .app-controls {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  #app-controls .app-control,
  .wechat-panel {
    transition: none;
  }

  #app-controls .app-control:hover {
    transform: none;
  }
}