/* 通用：正方圆角 toast + 回到顶部 */
.kit-toast {
  position: fixed;
  left: 50%;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  z-index: 4000;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: min(320px, calc(100vw - 40px));
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(22, 22, 28, .92);
  color: #fff;
  box-shadow: 0 8px 28px rgba(0, 0, 0, .28);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  transform: translate(-50%, 10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.kit-toast.is-on {
  opacity: 1;
  transform: translate(-50%, 0);
}
.kit-toast .ali {
  flex: none;
  display: block;
}
.kit-toast[data-kind="ok"] { color: #fff; }
.kit-toast[data-kind="ok"] .ali { color: #52c41a; }
.kit-toast[data-kind="err"] .ali { color: #ff6b6b; }
.kit-toast[data-kind="warn"] .ali { color: #f4d27a; }
.kit-toast[data-kind="info"] .ali { color: #69b1ff; }
.kit-toast span { min-width: 0; }

body.tab-home .kit-toast,
body.tab-search .kit-toast,
body.tab-shop .kit-toast,
body.tab-mine .kit-toast {
  bottom: calc(110px + env(safe-area-inset-bottom, 0px));
}

.kit-top {
  position: fixed;
  right: 16px;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  z-index: 30;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 12px;
  background: rgba(22, 22, 28, .88);
  color: #f4d27a;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .28);
  cursor: pointer;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease;
  -webkit-tap-highlight-color: transparent;
}
.kit-top.is-on {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}
.kit-top:active { transform: scale(.94); }
.kit-top .ali { display: block; }

@media (prefers-reduced-motion: reduce) {
  .kit-toast, .kit-top { transition: none; }
}