.mobile-book-bar{position:fixed;left:0;right:0;bottom:0;z-index:80;padding:.6rem 16px calc(.6rem + env(safe-area-inset-bottom,0px));background:#0a0a0ad9;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--border);animation:mobile-book-bar-in .25s ease}.mobile-book-bar__btn{width:100%;justify-content:center;min-height:44px;background:var(--fg);color:var(--ink);border-color:var(--fg)}.mobile-book-bar__btn:hover{background:#fff}@keyframes mobile-book-bar-in{0%{transform:translateY(100%)}to{transform:translateY(0)}}@media (prefers-reduced-motion: reduce){.mobile-book-bar{animation:none}}