:root{--ink: #1a1a1a;--paper: #ffffff;--stage: #2a2724;--stage-2: #17150f;--brand: #f04e23;--muted: rgba(255, 255, 255, .68);--bar-bg: rgba(20, 18, 16, .82)}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:var(--stage);color:#fff;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-text-size-adjust:100%}#app{position:fixed;inset:0;display:flex;flex-direction:column;background:radial-gradient(120% 90% at 50% 42%,#3a3631 0%,var(--stage) 45%,var(--stage-2) 100%)}.boot{margin:auto;text-align:center;color:var(--muted)}.boot__book{display:flex;gap:6px;justify-content:center;margin-bottom:14px}.boot__book i{width:9px;height:26px;background:#ffffff59;border-radius:2px;animation:riffle 1s ease-in-out infinite}.boot__book i:nth-child(2){animation-delay:.12s}.boot__book i:nth-child(3){animation-delay:.24s}@keyframes riffle{0%,to{transform:scaleY(.55);opacity:.45}50%{transform:scaleY(1);opacity:1}}.boot__text{margin:0;font-size:14px}.stage{flex:1;display:grid;place-items:center;min-height:0;padding:8px}.book{position:relative;filter:drop-shadow(0 24px 38px rgba(0,0,0,.55));will-change:transform}.pageblock{position:absolute;top:1.5%;bottom:1.5%;width:0;pointer-events:none;transition:width .5s cubic-bezier(.22,.61,.36,1),opacity .3s ease;background-image:repeating-linear-gradient(to right,#00000029 0px .5px,#ffffffeb .5px 2px)}.pageblock--left{right:100%;border-radius:3px 0 0 3px;box-shadow:inset -3px 0 5px -3px #00000080}.pageblock--right{left:100%;border-radius:0 3px 3px 0;box-shadow:inset 3px 0 5px -3px #00000080}@media (prefers-reduced-motion: reduce){.pageblock{transition:none}}.leaf{position:relative;width:100%;height:100%;overflow:hidden;background:var(--paper);box-shadow:inset 0 0 0 1px #00000012}.leaf__img{display:block;width:100%;height:100%;object-fit:cover;user-select:none;-webkit-user-drag:none}.leaf__grain,.leaf__spine,.leaf__sheen{position:absolute;inset:0;pointer-events:none}.leaf__grain{opacity:.045;mix-blend-mode:multiply;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E")}.leaf__spine{background:linear-gradient(to left,#00000030,#00000014 3.5%,#0000 11%)}.leaf[data-side=left] .leaf__spine{background:linear-gradient(to right,#00000030,#00000014 3.5%,#0000 11%)}.leaf__sheen{background:linear-gradient(135deg,#ffffff1a,#fff0 38%,#0000000b)}.leaf__spots{position:absolute;inset:0}.spot{position:absolute;margin:0;padding:0;border:0;border-radius:6px;background:transparent;cursor:pointer;outline:2px solid transparent;transition:background-color .16s ease,box-shadow .16s ease;-webkit-tap-highlight-color:transparent}.spot:hover,.spot:focus-visible{background:#f04e2329;box-shadow:0 0 0 2px var(--brand),0 4px 14px #00000047;outline:none}.spot:focus-visible{background:#f04e2338}.leaf[data-page="1"] .spot:after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:0 0 0 2px #f04e23d9;opacity:0;animation:hint 2.4s ease-out 1.1s 3}@keyframes hint{0%{opacity:0;transform:scale(1)}22%{opacity:.95}to{opacity:0;transform:scale(1.06)}}.bar{display:flex;align-items:center;gap:6px;padding:8px max(10px,env(safe-area-inset-left)) max(8px,env(safe-area-inset-bottom));background:var(--bar-bg);backdrop-filter:blur(10px);color:#fff}.bar__btn{flex:0 0 auto;min-width:44px;height:44px;display:grid;place-items:center;border:0;border-radius:10px;background:#ffffff14;color:#fff;font-size:19px;line-height:1;cursor:pointer;text-decoration:none}.bar__btn:hover{background:#ffffff29}.bar__btn:disabled{opacity:.32;cursor:default}.bar__btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.bar__page{flex:0 0 auto;min-width:62px;text-align:center;font-size:13px;font-variant-numeric:tabular-nums;color:var(--muted)}.bar__range{flex:1 1 auto;min-width:60px;accent-color:var(--brand)}.notice{margin:auto;max-width:30rem;padding:2rem 1.5rem;text-align:center}.notice h1{font-size:1.2rem;margin:0 0 .5rem}.notice p{margin:0 0 1.25rem;color:var(--muted);line-height:1.5}.notice a{display:inline-block;padding:.7rem 1.1rem;border-radius:10px;background:var(--brand);color:#fff;text-decoration:none;font-weight:600}@media (prefers-reduced-motion: reduce){.boot__book i{animation:none}.leaf[data-page="1"] .spot:after{animation:none}}@media (prefers-contrast: more){.spot{background:#f04e231a;box-shadow:0 0 0 1px var(--brand)}}