html[data-preview-format="audio"]{--audio-dock-height:96px}
.audio-sheet[hidden],.audio-purchase[hidden],.cp-bookshop[hidden]{display:none!important}
.audio-sheet{position:absolute;inset:var(--tbh,0px) 0 calc(var(--audio-dock-height) + env(safe-area-inset-bottom));z-index:7;background:#fff;color:#111;display:flex;justify-content:center;align-items:center;touch-action:pan-y}
.bk.audio-mode:not(.at-reveal-page)>.cardhost,.bk.audio-mode:not(.at-reveal-page) .coverpage:not(.show){visibility:hidden}
.audio-center{display:flex;flex-direction:column;align-items:center;transform:translateY(-12px)}
.audio-visualizer{display:flex;align-items:center;gap:7px;height:66px}
.audio-visualizer i{display:block;width:5px;height:34px;border-radius:3px;background:#111;transform:scaleY(.4)}
.audio-visualizer i:nth-child(2){height:52px}.audio-visualizer i:nth-child(3){height:66px}.audio-visualizer i:nth-child(4){height:46px}.audio-visualizer i:nth-child(5){height:28px}
:is(.audio-sheet,.audio-mini)[data-phase="playing"] .audio-visualizer i{animation:audio-wave 950ms ease-in-out infinite alternate}
:is(.audio-sheet,.audio-mini)[data-phase="playing"] i:nth-child(2){animation-delay:-650ms}:is(.audio-sheet,.audio-mini)[data-phase="playing"] i:nth-child(3){animation-delay:-350ms}:is(.audio-sheet,.audio-mini)[data-phase="playing"] i:nth-child(4){animation-delay:-800ms}
.audio-play{display:grid;place-items:center;width:58px;height:58px;border-radius:50%;border:1px solid #ddd;background:#fff;color:#111;cursor:pointer}
.audio-play svg{width:23px;height:23px;fill:currentColor;stroke:none}
.audio-reveal{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);background:#fff;color:#111;border:1px solid #ddd;border-radius:24px;min-height:44px;padding:10px 29px;font:500 12px var(--ui);cursor:pointer}
.audio-purchase{display:flex;flex-direction:column;gap:10px;align-items:center;margin:18px 0;font-family:var(--ui)}
.audio-purchase a{display:block;padding:4px;text-decoration:none;text-align:center}
.audio-purchase img{display:block;width:145px;height:40px}
.audio-purchase small{font-size:10px;color:#777}
.audio-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
html[data-preview-format="audio"] #hint{display:none!important}
@keyframes audio-wave{from{transform:scaleY(.25)}to{transform:scaleY(.9)}}
@media(prefers-reduced-motion:reduce){:is(.audio-sheet,.audio-mini)[data-phase="playing"] .audio-visualizer i{animation:none;transform:scaleY(.7)}}
@media(max-height:500px){.audio-center{gap:14px;transform:translateY(-20px)}.audio-visualizer{height:42px}.audio-visualizer i{max-height:42px}.audio-reveal{bottom:12px}.audio-play{width:44px;height:44px}}

.mobile-menu-trigger,.mobile-menu-search-label{display:none}
.mobile-reader-menu{box-sizing:border-box;width:min(360px,calc(100vw - 24px));max-height:calc(100dvh - 32px - env(safe-area-inset-top));margin:calc(12px + env(safe-area-inset-top)) 12px auto auto;padding:18px 22px 22px;border:1px solid #dededb;border-radius:16px;background:#fff;color:#171717;font-family:var(--ui);overflow-y:auto;overscroll-behavior:contain;box-shadow:0 12px 50px #00000014}
.mobile-reader-menu::backdrop{background:#0004}
.mobile-menu-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.mobile-menu-heading h2{font:500 18px var(--ui);margin:0}
.mobile-menu-close,.mobile-menu-trigger{align-items:center;justify-content:center;width:44px;height:44px;padding:10px;border:0;background:transparent;color:#171717;border-radius:50%;flex:none}
.mobile-menu-close{display:flex;margin-right:-10px}
.mobile-menu-close svg,.mobile-menu-trigger svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round}
.mobile-reader-menu h3{font:500 11px var(--ui);letter-spacing:.08em;text-transform:uppercase;color:#777;margin:0 0 12px}
.mobile-reader-menu section+section,.mobile-menu-navigation{margin-top:24px;padding-top:22px;border-top:1px solid #ededeb}
.mobile-reader-menu .format-controls{padding:0;align-items:flex-start;flex-direction:column;gap:10px;min-height:0}
.mobile-reader-menu .format-toggle{width:100%;box-sizing:border-box}
.mobile-reader-menu .format-toggle button{flex:1}
.mobile-reader-menu .tb-filter-row{display:flex;flex-direction:column;align-items:stretch;gap:12px;padding:0}
.mobile-reader-menu .tb-genres{flex-wrap:wrap;gap:8px;padding:0;overflow:visible;mask-image:none;-webkit-mask-image:none}
.mobile-reader-menu .gchip{min-height:44px;padding:10px 13px;font-size:12px;color:#555}
.mobile-reader-menu .gchip.on{color:#fff}
.mobile-reader-menu .tb-search{position:static;display:flex;align-items:center;justify-content:flex-start;gap:12px;width:100%;min-height:44px;height:auto;padding:10px 0;margin:0;border:0;background:transparent;color:#333;border-radius:0}
.mobile-reader-menu .tb-search svg{width:20px;height:20px;flex:none}
.mobile-reader-menu .mobile-menu-search-label{display:inline;font:400 13px var(--ui)}
.mobile-reader-menu .tb-actions{display:flex;flex-direction:column;align-items:stretch;gap:4px}
.mobile-reader-menu .tb-actions>*{display:flex;align-items:center;justify-content:flex-start;min-height:44px;padding:8px 0;box-sizing:border-box;border:0;border-radius:0;font:400 14px var(--ui);letter-spacing:0;text-transform:none;color:#333;background:transparent}
.mobile-menu-trigger:focus-visible,.mobile-reader-menu button:focus-visible,.mobile-reader-menu a:focus-visible{outline:2px solid #111;outline-offset:3px}
@media(max-width:700px),(max-height:500px){
  #appbar.compact-reader-header{padding:env(safe-area-inset-top) 0 0}
  .compact-reader-header .tb-main{min-height:56px;padding:0 12px 0 16px}
  .compact-reader-header .mobile-menu-trigger{display:flex}
  .compact-reader-header .tb-home{min-height:44px}
}

/* One restrained navigation row for both separate experiences. */
#appbar.separate-reader-header{padding:env(safe-area-inset-top) 0 0}
.separate-reader-header .tb-main{display:flex;align-items:center;gap:8px;min-height:56px;padding:0 12px 0 16px}
.separate-reader-header .tb-home{display:flex;align-items:center;min-height:44px;text-decoration:none;white-space:nowrap;margin-right:auto}
.separate-reader-header .mobile-menu-trigger{display:flex}
.reader-header-links{display:flex;align-items:center;gap:16px}
.reader-header-links a,.reader-header-links .header-search{display:flex;align-items:center;justify-content:center;position:static;min-height:44px;min-width:44px;width:auto;height:auto;padding:0;margin:0;background:transparent;border:0;border-radius:0;color:#333;text-decoration:none;font:400 12px var(--ui);white-space:nowrap}
.reader-header-links a[aria-current]{text-decoration:underline;text-underline-offset:5px}
.reader-header-links a:focus-visible,.reader-home:focus-visible{outline:2px solid #111;outline-offset:3px}
.audio-availability{display:block;text-align:center;font:400 11px var(--ui);color:#777;padding:0 12px 8px}
.audio-availability:empty{display:none}
.audio-play:disabled{opacity:.3;cursor:default}
@media(max-width:360px){.separate-reader-header .tb-main{padding:0 6px 0 12px;gap:8px}.reader-header-links{gap:10px}.separate-reader-header .tb-home{font-size:16px}.reader-header-links a,.reader-header-links .header-search{font-size:11px}}

.audio-providers{width:100%;gap:10px;margin:18px 0 22px}
.audio-provider-heading{margin:0;font:500 12px var(--ui);color:#333}
.audio-provider-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));width:100%;gap:5px}
.audio-provider-row :is(a,button){display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:80px;min-width:44px;padding:12px 2px;border:1px solid #e6e6e3;border-radius:12px;background:#fff;color:#333;text-decoration:none;box-sizing:border-box}
.audio-provider-row :is(a,button):hover{border-color:#888;background:#fafaf9}
.audio-provider-row :is(a,button):focus-visible{outline:2px solid #111;outline-offset:2px}
.audio-provider-row img{display:block;width:26px;height:26px;object-fit:contain}
.audio-provider-row span{font:400 10px var(--ui);white-space:nowrap}
.audio-providers small{max-width:300px;text-align:center;line-height:1.5;font:400 10px/1.5 var(--ui);color:#777}
.audio-providers{container-type:inline-size}
@container(min-width:620px){.audio-provider-row{grid-template-columns:repeat(8,minmax(0,1fr));gap:6px}}

.audio-provider-row [data-audio-provider="libro-fm"] img{width:56px;height:26px}

/* Audio reveals seat the real details page directly. Only its content moves. */
.bk.audio-mode.at-reveal-page .cp-inner{animation:audio-reveal-in 160ms cubic-bezier(.2,.7,.2,1)}
@keyframes audio-reveal-in{from{transform:translate3d(0,6px,0)}to{transform:translate3d(0,0,0)}}
.audio-reveal[aria-busy="true"]::after{content:"";display:inline-block;width:10px;height:10px;margin-left:8px;border:1px solid #bbb;border-top-color:#111;border-radius:50%;animation:audio-reveal-wait 750ms linear infinite}
@keyframes audio-reveal-wait{to{transform:rotate(360deg)}}
.audio-artwork-missing{width:150px;height:210px;border:1px solid #ddd;border-radius:3px;background:#f5f5f3}
.audio-artwork-missing img[hidden]{display:none}
@media(prefers-reduced-motion:reduce){.bk.audio-mode.at-reveal-page .cp-inner,.audio-reveal[aria-busy="true"]::after{animation:none}}

.audio-provider-row button{cursor:pointer;font:inherit}
.audio-provider-help[hidden]{display:none}
.audio-provider-help{box-sizing:border-box;width:100%;padding:16px;border:1px solid #ddd;border-radius:12px;background:#fafaf9;text-align:center}
.audio-provider-help p{margin:0 0 6px;font:400 12px/1.5 var(--ui)}
.audio-provider-help input{box-sizing:border-box;width:100%;min-height:44px;margin:12px 0 6px;padding:8px;border:1px solid #ddd;border-radius:6px;background:white;color:#333;font:400 12px var(--ui)}
.audio-provider-help-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:8px}
.audio-provider-help-actions :is(a,button){display:flex;align-items:center;justify-content:center;min-height:44px;padding:8px;color:#222;border:0;background:transparent;font:400 11px var(--ui);cursor:pointer}
.audio-provider-help :is(a,button,input):focus-visible{outline:2px solid #111;outline-offset:2px}

/* One native player stays at the bottom through listening and reveal. */
.audio-mini[hidden]{display:none!important}
.audio-mini{position:fixed;z-index:34;inset:auto 0 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;box-sizing:border-box;height:calc(var(--audio-dock-height) + env(safe-area-inset-bottom));padding:8px max(20px,env(safe-area-inset-right)) calc(12px + env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left));border-top:1px solid transparent;background:#fff;color:#111}
.audio-mini[data-revealed="true"]{border-top-color:#dededb}
.audio-mini-timeline{display:flex;align-items:center;gap:14px;width:100%;max-width:420px;height:20px;flex:none}
.audio-mini[data-revealed="false"] .audio-mini-timeline{visibility:hidden}
.audio-transport{display:flex;align-items:center;justify-content:center;gap:20px;height:48px;flex:none}
.audio-skip{display:grid;place-items:center;position:relative;width:48px;height:48px;padding:0;border:0;border-radius:50%;background:#fff;color:#111;cursor:pointer;flex:none}
.audio-skip svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.audio-forward svg{transform:scaleX(-1)}
.audio-skip span{position:absolute;top:50%;left:50%;transform:translate(-50%,-36%);font:500 9px var(--ui);line-height:1}
.audio-skip:disabled{opacity:.3;cursor:default}
.audio-skip:focus-visible{outline:2px solid #111;outline-offset:3px}
.audio-mini .audio-visualizer{height:20px;gap:4px;flex:none}
.audio-mini .audio-visualizer i{width:3px;height:12px;border-radius:2px}
.audio-mini .audio-visualizer i:nth-child(2){height:17px}.audio-mini .audio-visualizer i:nth-child(3){height:20px}.audio-mini .audio-visualizer i:nth-child(4){height:15px}.audio-mini .audio-visualizer i:nth-child(5){height:11px}
.audio-mini-play{width:48px;height:48px;min-width:48px;min-height:48px;flex:none}
.audio-mini-play svg{width:20px;height:20px}
.audio-mini-play:focus-visible{outline:2px solid #111;outline-offset:3px}
.audio-mini-progress{appearance:none;-webkit-appearance:none;display:block;flex:1;width:0;max-width:420px;height:3px;border:0;border-radius:2px;overflow:hidden;background:#e5e5e2;color:#111}
.audio-mini-progress::-webkit-progress-bar{background:#e5e5e2;border-radius:2px}
.audio-mini-progress::-webkit-progress-value{background:#111;border-radius:2px}
.audio-mini-progress::-moz-progress-bar{background:#111;border-radius:2px}
/* Reserve space, rather than covering the final details and provider actions. */
.paper-turn-mode .bk.audio-mode.audio-mini-active .scard.page-peel-turns .coverpage.obj-reveal-page{height:auto;bottom:calc(var(--audio-dock-height) + env(safe-area-inset-bottom))}
.bk.audio-mode.audio-mini-active>.coverpage{bottom:calc(var(--audio-dock-height) + env(safe-area-inset-bottom))}

.audio-load-error{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;font:16px system-ui;background:#fff;color:#111}.audio-load-error button,.audio-load-error a{min-height:44px;padding:12px 20px;border:1px solid #ddd;border-radius:24px;background:white;color:#111}

/* Restore blind audio navigation after legacy page-turn chrome closes. */
html[data-preview-format="audio"] body:not(:has(.bk[aria-hidden="false"].at-reveal-page)) #appbar.chrome-hidden{opacity:1;transform:none;pointer-events:auto}
html[data-preview-format="audio"] .tb-home::after{content:none}

/* Reserve room for the reading wordmark after its web font finishes loading. */
@media(max-width:360px){html:not([data-preview-format="audio"]) .separate-reader-header .tb-home{font-size:14px}}