:root{--paper:#f6f3ec;--ink:#302f2a;--muted:#77776c;--line:#deded3;--accent:#747b4f;--panel:#eeeee5;--reading-size:21px;color-scheme:light}*{box-sizing:border-box}html{scroll-padding-top:105px}html[data-theme=dark]{--paper:#20221e;--ink:#e0dfd3;--muted:#a2a697;--line:#3d4136;--accent:#b6bd8e;--panel:#272a23;color-scheme:dark}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;min-width:40px;min-height:44px}button:hover,a.start:hover{background:var(--panel)}a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:5px}.skip{position:fixed;top:-100px;z-index:50;background:var(--paper);padding:20px}.skip:focus{top:10px}.progress{height:3px;position:fixed;inset:0 0 auto;z-index:30}.progress i{display:block;height:100%;width:0;background:var(--accent)}.topbar{position:fixed;inset:3px 0 auto;height:83px;background:var(--paper);border-bottom:1px solid var(--line);z-index:20;display:flex;align-items:center;justify-content:space-between;padding:0 42px}.brand{font-size:17px;letter-spacing:4px}.brand span{font-size:9px;letter-spacing:2px;display:block;margin-top:7px;color:var(--muted)}.tools{display:flex;align-items:center;gap:9px}.tools button{font-family:Georgia,serif;font-size:18px}.tool-separator{height:18px;width:1px;background:var(--line);margin:0 10px}#theme{font-size:25px}#menu{display:none;font-family:Arial,sans-serif;font-size:12px}aside{position:fixed;top:86px;bottom:0;left:0;width:300px;padding:43px 30px 28px 40px;border-right:1px solid var(--line);overflow-y:auto;display:flex;flex-direction:column}.eyebrow{font-size:10px;text-transform:uppercase;letter-spacing:2.2px;color:var(--muted);line-height:1.7}.contents-head{display:flex;justify-content:space-between;align-items:center}#close{display:none}.book-small{font-family:Georgia,serif;font-size:27px;line-height:1.25;margin-top:34px}.book-small em{font-weight:normal;color:var(--accent)}.contents-meta{font-size:10px;color:var(--muted);margin:18px 0 30px}.chapter-link{display:grid;grid-template-columns:21px 1fr 12px;gap:12px;font-size:12px;line-height:1.6;padding:18px 0;border-top:1px solid var(--line)}.chapter-link>span:first-child{color:var(--accent);font-size:10px;padding-top:2px}.chapter-link[aria-current]{color:var(--accent)}.nav-arrow{opacity:0}.chapter-link:hover .nav-arrow,.chapter-link[aria-current] .nav-arrow{opacity:1}.aside-bottom{margin-top:auto;padding-top:60px;font-size:10px;color:var(--muted);line-height:1.7}.tiny-star{display:block;font-size:25px;color:var(--accent);margin-bottom:12px}main{margin:86px 0 0 300px;padding:0 65px}.cover{position:relative;min-height:740px;height:calc(100svh - 86px);max-height:980px;display:flex;align-items:center;flex-direction:column;padding:57px 0 80px;text-align:center;border-bottom:1px solid var(--line)}.orbit{width:126px;height:126px;border:1px solid var(--line);border-radius:50%;position:relative;display:grid;place-items:center;margin:47px 0 33px}.orbit:before,.orbit:after{content:'';position:absolute;inset:14px;border:1px solid var(--line);border-radius:50%}.orbit:after{inset:28px}.orbit div{position:absolute;width:166px;height:1px;background:var(--line);transform:rotate(-35deg)}.orbit span{position:relative;font-size:47px;color:var(--accent);background:var(--paper);line-height:1}h1{font-family:Georgia,'Times New Roman',serif;font-size:clamp(60px,6.5vw,98px);font-weight:normal;letter-spacing:-4px;line-height:1.08;margin:0}h1 span{display:block;color:var(--accent);font-style:italic;font-size:.79em;letter-spacing:-3px;margin-top:12px}.cover-line{height:30px;width:1px;background:var(--line);margin-top:30px}.cover-caption{font-size:11px;color:var(--muted);letter-spacing:1px;margin:17px 0 29px}.start{display:flex;align-items:center;gap:36px;padding:14px 22px;border:1px solid var(--line);font-size:12px}.saved{font-size:10px;color:var(--muted)}.cover-footer{position:absolute;bottom:25px;left:0;right:0;display:flex;justify-content:space-between;font-size:9px;letter-spacing:1px;text-transform:uppercase;color:var(--muted)}article{max-width:690px;margin:0 auto;padding:90px 0 0}.chapter-heading .eyebrow{text-align:center}.chapter-heading .eyebrow span{margin:0 12px}h2{font-family:Georgia,serif;font-size:43px;font-weight:normal;line-height:1.2;letter-spacing:-1px;text-align:center;margin:24px 0 27px}.divider{text-align:center;font-size:25px;color:var(--accent);margin-bottom:38px}.prose{font-family:Georgia,'Times New Roman',serif;font-size:var(--reading-size);line-height:1.85;overflow-wrap:break-word}.prose p{margin:0 0 1.35em}.prose>p:first-child:first-letter{float:left;font-size:3.3em;line-height:.95;padding:9px 9px 0 0;color:var(--accent)}.prose ol,.prose ul{padding-left:1.5em}.prose li{padding-left:.4em;margin-bottom:.85em}.prose strong{font-weight:bold}.reference{font-family:Arial,sans-serif;color:var(--muted);font-size:.5em;line-height:0;margin-left:2px}.end-note{text-align:center;border-top:1px solid var(--line);margin-top:60px;padding:45px 0 65px;color:var(--muted)}.end-note>span{font-size:30px;color:var(--accent)}.end-note p{font-family:Georgia,serif;font-size:27px;color:var(--ink)}.end-note small{font-size:12px;line-height:1.8}.next{display:flex;justify-content:space-between;padding:28px 0;border-top:1px solid var(--line);margin-top:45px;font-size:13px;color:var(--accent)}.footer{border-top:1px solid var(--line);padding:28px 0;display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}[hidden]{display:none!important}@media(min-width:1500px){aside{width:340px;padding-left:50px}main{margin-left:340px;padding:0 100px}}@media(max-width:1050px){aside{width:260px;padding-left:25px;padding-right:25px}main{margin-left:260px;padding:0 35px}h2{font-size:36px}.topbar{padding:0 25px}}@media(max-width:760px){.topbar{height:69px;padding:0 20px}.brand{font-size:13px;letter-spacing:2.5px}.brand span{font-size:7px;letter-spacing:1px}.tools{gap:0}.tools button{font-size:16px;min-width:35px}.tool-separator{margin:0 4px}#menu{display:block;margin-left:9px;font-size:0}#menu span{font-size:20px}aside{display:none;top:72px;width:min(340px,88vw);z-index:25;background:var(--paper);padding:25px}aside.open{display:flex}#close{display:block;font-size:25px}#scrim{position:fixed;inset:72px 0 0;background:#0006;z-index:24}main{margin:72px 0 0;padding:0 23px}.cover{min-height:670px;height:calc(100svh - 72px);padding-top:38px}.orbit{margin:38px 0 32px;width:108px;height:108px}h1{font-size:65px;letter-spacing:-3px}h1 span{letter-spacing:-2px}.cover .eyebrow{font-size:9px}.cover-footer{font-size:8px}article{padding-top:65px}h2{font-size:34px}.prose{font-size:calc(var(--reading-size) - 1px);line-height:1.8}.footer{gap:20px;font-size:9px}.contents-meta{margin-bottom:20px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Long English book title. */
h1{max-width:850px;font-size:clamp(42px,5vw,76px);letter-spacing:-2px;text-wrap:balance}h1 span{font-size:.53em;letter-spacing:-.5px;line-height:1.3;margin-top:20px}.book-small{font-size:25px}.book-small em{display:inline-block;font-size:18px;line-height:1.4;margin-top:10px}.footer>a{max-width:80%;line-height:1.6}@media(max-width:760px){h1{font-size:clamp(38px,10vw,60px);letter-spacing:-1.5px}h1 span{font-size:.57em;letter-spacing:0}.cover{min-height:710px}}
/* Audio edition */
.listen{display:flex;align-items:center;gap:15px;margin:0 auto 42px;padding:12px 20px;border:1px solid var(--line);border-radius:40px;background:var(--panel);font-size:12px;letter-spacing:.3px;transition:border-color .2s,transform .2s}.listen:hover{border-color:var(--accent);transform:translateY(-2px)}.listen-icon{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--accent);color:var(--paper);font-size:11px}.sound-bars{display:flex;align-items:center;gap:3px;height:22px;margin-left:12px}.sound-bars i{width:2px;height:9px;background:var(--accent);border-radius:4px}.sound-bars i:nth-child(2){height:20px}.sound-bars i:nth-child(3){height:14px}.sound-bars i:nth-child(4){height:7px}.listen.is-playing .sound-bars i{animation:bars .9s ease-in-out infinite alternate}.listen.is-playing .sound-bars i:nth-child(even){animation-delay:-.6s}.audio-player{position:fixed;z-index:23;bottom:22px;left:calc(300px + (100% - 300px)/2);transform:translateX(-50%);width:calc(100% - 348px);max-width:920px;display:grid;grid-template-columns:minmax(110px,1fr) auto minmax(150px,1fr) auto 32px;align-items:center;gap:14px;padding:17px 20px;border:1px solid var(--line);border-radius:24px;background:var(--panel);box-shadow:0 12px 60px #0004;font-variant-numeric:tabular-nums}.audio-info{min-width:0}.audio-info a{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12px;margin-bottom:7px}.audio-info>span{display:block;font-size:10px;color:var(--muted)}.audio-controls{display:flex;align-items:center;gap:6px}.audio-controls button{position:relative;font-size:25px;min-width:36px;border-radius:50%;line-height:1}.audio-controls small{position:absolute;font-size:8px;left:50%;top:51%;transform:translate(-50%,-50%)}.audio-controls .audio-toggle{width:46px;height:46px;background:var(--accent);color:var(--paper);font-size:16px;display:grid;place-items:center}.audio-toggle.busy{position:relative}.audio-toggle.busy:after{content:'';position:absolute;inset:-5px;border:2px solid transparent;border-top-color:var(--accent);border-right-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}.audio-timeline{display:flex;align-items:center;gap:9px;font-size:10px;color:var(--muted)}.audio-track{position:relative;flex:1;min-width:40px;height:28px;background:linear-gradient(var(--line),var(--line)) center/100% 3px no-repeat}.audio-track>div{position:absolute;inset:12.5px auto auto 0;height:3px;width:0;background:var(--muted);border-radius:3px}#audio-seek{position:relative;display:block;width:100%;height:28px;margin:0;appearance:none;background:transparent;cursor:pointer;accent-color:var(--accent)}#audio-seek::-webkit-slider-runnable-track{height:3px;background:linear-gradient(to right,var(--accent) var(--played,0%),transparent var(--played,0%));border-radius:3px}#audio-seek::-webkit-slider-thumb{appearance:none;width:11px;height:11px;border-radius:50%;background:var(--accent);margin-top:-4px}#audio-seek::-moz-range-track{height:3px;background:transparent}#audio-seek::-moz-range-progress{background:var(--accent)}#audio-seek::-moz-range-thumb{background:var(--accent);border:0;width:11px;height:11px}#audio-seek:disabled{opacity:.35;cursor:wait}#audio-speed{font-size:11px;min-width:36px}#audio-close{font-size:23px;min-width:30px;color:var(--muted)}body.has-audio{padding-bottom:130px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes bars{to{transform:scaleY(.45)}}@media(min-width:1500px){.audio-player{left:calc(340px + (100% - 340px)/2);width:calc(100% - 388px)}}@media(max-width:1050px){.audio-player{left:calc(260px + (100% - 260px)/2);width:calc(100% - 290px);grid-template-columns:minmax(100px,1fr) auto auto 28px;gap:10px}.audio-timeline{grid-row:2;grid-column:1/-1}.audio-controls{grid-column:2}#audio-speed{grid-row:1;grid-column:3}#audio-close{grid-row:1;grid-column:4}}@media(max-width:760px){.audio-player{left:12px;right:12px;bottom:max(12px,env(safe-area-inset-bottom));transform:none;width:auto;padding:14px 16px;border-radius:22px;gap:10px}.audio-controls{gap:1px}.audio-info a{font-size:11px}.audio-info>span{font-size:9px}.audio-controls .audio-toggle{width:42px;height:42px}.audio-controls button{min-width:31px}body.has-audio{padding-bottom:150px}}@media(prefers-reduced-motion:reduce){.listen,.sound-bars i,.audio-toggle:after{animation:none!important;transition:none!important}}
@media(max-width:760px){.prose h3{font-size:1.15em;line-height:1.45;margin:2em 0 .9em;text-wrap:balance}.listen{min-height:58px;padding:10px 21px}.audio-controls button{min-width:40px}.audio-controls .audio-toggle{width:46px;height:46px}.audio-player{grid-template-columns:minmax(0,1fr) auto 36px 28px;gap:6px}.audio-track,#audio-seek{height:36px}.audio-track>div{top:16.5px}.audio-info a{max-width:100%;font-size:11px}.audio-info>span{line-height:1.35}.audio-timeline{margin-top:2px}#audio-close{min-width:28px}#audio-speed{min-width:36px}.prose{line-height:1.78}}@media(max-width:360px){.audio-player{padding:12px 10px;gap:4px}.audio-controls button{min-width:34px}.audio-controls .audio-toggle{width:42px;height:42px}.audio-info a{font-size:10px}}
.cover-listen{display:flex;gap:10px;align-items:center;justify-content:center;color:var(--accent);font-size:12px;margin-top:8px;padding:0 18px;border-radius:24px}.cover-listen span{font-size:10px}.cover{min-height:790px}@media(max-width:760px){.cover{min-height:740px;padding-top:30px}.cover .orbit{margin-top:30px;margin-bottom:27px}.cover-caption{margin-bottom:22px}.cover-line{margin-top:23px}.cover .saved{margin:5px 0}.prose h3{hyphens:auto}}
/* Book map and chapter navigation */
.all-contents{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--accent);padding:14px 0;margin-bottom:10px;border-bottom:1px solid var(--line)}.cover-contents{font-size:11px;color:var(--muted);padding:12px 20px;display:flex;gap:12px}.cover{min-height:850px}.book-outline{max-width:850px;margin:0 auto;padding:80px 0 60px;border-bottom:1px solid var(--line)}.book-outline>.eyebrow,.outline-meta{text-align:center}.book-outline h2{font-size:46px;margin-bottom:19px}.book-outline h2 em{color:var(--accent)}.outline-meta{font-size:11px;color:var(--muted);margin-bottom:36px}.outline-list{border-top:1px solid var(--line)}.outline-card{border-bottom:1px solid var(--line)}.outline-card summary,.chapter-contents summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:17px;padding:23px 4px}.outline-card summary::-webkit-details-marker,.chapter-contents summary::-webkit-details-marker{display:none}.outline-num{font-size:10px;color:var(--accent);flex-shrink:0;min-width:22px;font-variant-numeric:tabular-nums}.outline-title{font-family:Georgia,serif;font-size:21px;line-height:1.35;flex:1;text-wrap:pretty}.outline-state{font-size:9px;color:var(--muted);border:1px solid var(--line);padding:5px 9px;border-radius:20px;flex-shrink:0}.outline-chevron{font-size:21px;line-height:1;color:var(--accent);font-weight:normal;transition:transform .2s;flex-shrink:0}.outline-card[open]>summary .outline-chevron,.chapter-contents[open]>summary .outline-chevron{transform:rotate(45deg)}.outline-card[open] .outline-title{color:var(--accent)}.outline-description{padding:0 35px 24px 43px}.outline-description p{font-size:13px;line-height:1.8;color:var(--muted);margin:0 0 16px}.outline-read{display:inline-flex;gap:22px;align-items:center;font-size:11px;color:var(--accent);min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:30px}.outline-read:hover{background:var(--panel)}.chapter-contents{margin:0 0 38px;border:1px solid var(--line);border-radius:19px;background:var(--panel)}.chapter-contents summary{padding:16px 20px;font-size:12px;gap:13px}.contents-symbol{font-size:23px;color:var(--accent)}.section-count{font-size:10px;color:var(--muted);margin-left:auto}.chapter-contents nav{padding:0 20px 14px}.chapter-contents nav a{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 0;font-size:12px;line-height:1.55;border-top:1px solid var(--line)}.chapter-contents nav a>span:last-child{color:var(--accent);flex-shrink:0}.chapter-contents nav a:hover{color:var(--accent)}summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.prose h3:focus{outline:none}@media(max-width:760px){.cover{min-height:790px}.book-outline{padding:55px 0 35px}.book-outline h2{font-size:35px}.outline-card summary{gap:10px;padding:21px 0;flex-wrap:wrap}.outline-title{font-size:19px;flex-basis:calc(100% - 60px)}.outline-state{margin-left:32px;order:4;font-size:9px;padding:4px 9px}.outline-chevron{width:14px}.outline-description{padding:0 5px 22px 32px}.outline-description p{font-size:12px}.chapter-contents summary{min-height:62px}.chapter-contents nav a{min-height:48px}.cover-contents{min-height:44px}}@media(prefers-reduced-motion:reduce){.outline-chevron{transition:none}}
.star-mark{display:inline-block;width:1em;height:1em;vertical-align:middle;flex-shrink:0}.orbit .star-mark{width:47px;height:47px}.orbit>span{display:grid;place-items:center;width:52px;height:52px}.tiny-star .star-mark{width:25px;height:25px}
.cover>.start{margin-top:25px}
/* Vector icons never use the platform emoji font. */
.icon-definitions{position:absolute;width:0;height:0;overflow:hidden;pointer-events:none}.ui-icon{display:inline-block;width:18px;height:18px;vertical-align:middle;flex-shrink:0;color:inherit}.tools .ui-icon{width:23px;height:23px}.listen-icon .ui-icon{width:16px;height:16px}.cover-listen .ui-icon{width:15px;height:15px}.audio-toggle .ui-icon{width:21px;height:21px}.audio-controls button>.ui-icon{width:27px;height:27px}.audio-controls small{top:54%;font-size:8px}.outline-chevron{display:inline-flex;align-items:center;justify-content:center}.outline-chevron .ui-icon{width:17px;height:17px}.nav-arrow .ui-icon{width:12px;height:12px}.contents-symbol .ui-icon{width:22px;height:22px}#audio-close .ui-icon,#close .ui-icon{width:20px;height:20px}
/* Published chapters stand out from the upcoming ones. */
.outline-state.is-available{background:var(--accent);color:var(--paper);border-color:var(--accent);font-size:11px;font-weight:700;letter-spacing:.7px;text-transform:uppercase;padding:8px 13px;box-shadow:0 2px 8px #0001}@media(max-width:760px){.outline-state.is-available{font-size:10px;padding:7px 12px}}