:root{--ink:#111111;--navy:#080808;--teal:#316a37;--paper:#fffef5;--orange:#fdf001;--line:#ddddcf;--muted:#5b6258}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.55}button,input,a{touch-action:manipulation}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}button:disabled{opacity:.45;cursor:default}:focus-visible{outline:3px solid #ba752c;outline-offset:4px}[hidden]{display:none!important}.skip{position:fixed;top:-100px;left:12px;z-index:9;background:white;padding:12px}.skip:focus{top:12px}.top{max-width:1200px;margin:auto;padding:26px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;gap:13px;align-items:center}.brandmark{background:var(--teal);width:46px;height:46px;border-radius:12px;display:grid;place-content:center;font:bold 28px Georgia;color:white;position:relative}.brandmark span{font:15px Arial;position:absolute;right:3px;top:1px;color:var(--orange)}.brand strong{font-size:16px;display:block}.brand small{font-size:11px;color:var(--muted);display:block;margin-top:2px}.top-actions{display:flex;align-items:center;gap:25px}.nextgen{font-size:12px;color:var(--muted)}.quiet{border:1px solid var(--line);background:transparent;border-radius:8px;padding:8px 13px;font-size:13px;color:inherit}.quiet:hover{background:#e6ebe2}.primary{display:inline-flex;gap:25px;align-items:center;justify-content:center;background:var(--teal);color:white;border:0;border-radius:9px;padding:13px 20px;font-weight:bold;font-size:13px}.primary:hover{background:#124b47}main{max-width:1200px;margin:auto;padding:0 32px}.hero{border-radius:22px;overflow:hidden;padding:50px 50px 40px;background:var(--navy);color:#fff;display:grid;grid-template-columns:1.2fr 1fr;gap:30px;min-height:365px}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:bold;color:var(--teal);margin:0 0 12px}.hero .eyebrow{color:#b8d3c9}.hero h1{font:normal clamp(35px,4.4vw,54px)/1.13 Georgia,serif;letter-spacing:-1.4px;margin:0 0 20px}.hero h1 em{color:#e7bf8a;font-style:normal}.hero-copy{font-size:14px;color:#c1cdd2;max-width:400px;margin-bottom:25px}.hero .primary{background:var(--orange);color:var(--navy)}.hero-art{position:relative;min-height:280px;display:flex;align-items:center;justify-content:center;isolation:isolate}.orbit{position:absolute;border:1px solid #54746b55;border-radius:50%;z-index:-1;width:310px;height:310px;transform:rotate(-20deg)}.orbit-two{width:235px;height:235px}.art-label{position:absolute;top:0;font-size:9px;letter-spacing:2px;color:#849a9e}.art-foot{position:absolute;bottom:0;font-size:9px;letter-spacing:2px;color:#849a9e}.book-spines{display:flex;align-items:flex-end;gap:10px;transform:rotate(-5deg)}.spine{height:190px;width:88px;border-radius:4px 9px 9px 4px;padding:22px 11px;font-size:9px;line-height:1.7;box-shadow:8px 14px 20px #0005,inset 6px 0 0 #0001;color:#183e3b;position:relative;background:#d9e7dc}.spine b{font:14px Georgia;display:block;margin-top:3px}.spine span{position:absolute;bottom:14px;font-size:9px}.s2{height:215px;background:#edc489}.s3{height:180px;background:#9cc4be}.continue{margin-top:24px;display:flex;justify-content:space-between;align-items:center;gap:20px;background:#e7ecdf;padding:22px 28px;border-radius:14px}.continue h2{font-size:19px;margin:0}.continue p{margin:4px 0 0;font-size:12px}.continue .eyebrow{margin-bottom:6px}.library{padding-top:42px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:18px}.section-head h2{font:normal 32px Georgia;margin:0}.section-head .eyebrow{margin-bottom:4px}.search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:9px;background:white;padding:9px 12px}.search input{width:190px;border:0;outline:none;background:transparent;font-size:12px;color:var(--ink)}.search span{font-size:23px;line-height:1}.filterbar{display:flex;justify-content:space-between;align-items:center;gap:14px;margin:24px 0;border-bottom:1px solid var(--line);padding-bottom:15px}.filters{display:flex;gap:6px;flex-wrap:wrap}.filters button{border:0;background:transparent;color:var(--muted);font-size:12px;padding:7px 12px;border-radius:6px}.filters button[aria-pressed=true]{background:#e4eade;color:#254e45;font-weight:bold}.filters span{font-size:10px;background:#cedbc9;border-radius:4px;padding:1px 5px;margin-left:5px}.muted{font-size:11px;color:var(--muted)}.books{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.book{background:white;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}.book-cover{height:245px;display:flex;align-items:center;justify-content:center;position:relative;background:#e7e9e0;padding:24px}.book:nth-child(2) .book-cover{background:#eee4d5}.book:nth-child(3) .book-cover{background:#dce8e4}.book-cover img{height:100%;max-width:100%;object-fit:contain;box-shadow:5px 9px 16px #20302725}.book-number{position:absolute;top:15px;left:17px;font-size:10px;letter-spacing:2px;color:#687c6f}.book-body{padding:22px;display:flex;flex:1;flex-direction:column;gap:8px}.tag{font-size:9px;letter-spacing:1.5px;color:var(--teal);font-weight:bold;text-transform:uppercase}.book h3{font:normal 24px/1.2 Georgia;margin:1px 0 0}.book-author{font-size:11px;color:var(--muted);margin:0}.book-desc{font-size:12px;color:#64736e;margin:3px 0 0;min-height:55px}.book-meta{font-size:10px;color:var(--muted);display:flex;gap:10px;margin:8px 0}.book progress{width:100%;height:4px;accent-color:var(--teal);margin:1px 0}.book-actions{display:flex;gap:10px;margin-top:auto;padding-top:12px;align-items:center}.book-actions .primary{flex:1;padding:10px;font-size:12px}.offline-button{padding:10px;border:1px solid var(--line);border-radius:8px;background:white;font-size:11px;color:#516b5c}.offline-button[aria-pressed=true]{background:#e7eee3}.study-note{margin:35px 0;display:flex;align-items:center;gap:20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0}.study-note>span{font-size:35px;color:#ba8e4e}.study-note h2{font:normal 23px Georgia;margin:0 0 5px}.study-note p{font-size:12px;color:var(--muted);max-width:650px;margin:0}.text-button{background:none;border:0;color:var(--teal);font-size:12px;white-space:nowrap;margin-left:auto}.empty{padding:30px;text-align:center;color:var(--muted)}footer{padding:10px 0 30px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:15px}footer strong{font-size:13px}footer p{font-size:11px;color:var(--muted);margin:3px 0}.footer-links{display:flex;align-items:flex-start;gap:18px;font-size:11px}.footer-links button{background:none;border:0;padding:0;font-size:11px;color:inherit}.risk,.fine{flex-basis:100%;font-size:10px!important}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#173e35;color:white;padding:10px 18px;border-radius:9px;font-size:12px;z-index:20;opacity:0;pointer-events:none;max-width:90vw}.toast.show{opacity:1}dialog{border:1px solid var(--line);border-radius:16px;padding:25px;max-width:520px;width:calc(100% - 30px);color:var(--ink)}dialog::backdrop{background:#07121cbb}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:15px}.dialog-head h2{font:normal 25px Georgia;margin:0}.icon-button{border:0;background:transparent;font-size:28px;cursor:pointer}#info-body{font-size:14px;line-height:1.8}#reader{max-width:none;width:100vw;height:100dvh;max-height:none;border-radius:0;border:0;padding:0;background:#e7e7e0}.reader-shell{height:100%;display:flex;flex-direction:column}.reader-top{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:12px 20px;background:var(--navy);color:white}.reader-top .quiet{border-color:#5b6d78}.reader-top h2{font:normal 19px Georgia;margin:0}.reader-top small{font-size:9px;color:#a7bfbd}.reader-tools{display:flex;gap:10px;align-items:center;justify-content:center;flex-wrap:wrap;padding:9px;background:#f5f5ef;border-bottom:1px solid #d4d9ce}.reader-tools label{font-size:12px}.reader-tools input{width:62px;border:1px solid #c7d2c5;padding:6px;border-radius:6px}.tool-separator{width:1px;height:22px;background:#d5dacd}.page-scroll{flex:1;overflow:auto;padding:20px;min-height:0;text-align:center}#pdf-canvas{display:block;margin:auto;box-shadow:0 3px 20px #0002}#pdf-text{white-space:pre-wrap;text-align:left;line-height:1.85;background:#fffdf5;padding:30px;margin:auto;max-width:850px;font:18px/1.85 Georgia}.reader-status{font-size:11px;text-align:center;color:#586b60;min-height:22px;padding:2px}.reader-bottom{background:#f5f5ef;padding:8px 20px;display:flex;align-items:center;gap:15px;font-size:11px}.reader-bottom progress{accent-color:var(--teal);flex:1;height:5px}.marks{display:flex;gap:8px;flex-wrap:wrap;padding:10px;max-height:110px;overflow:auto;background:#dce6d7}.marks button{background:white;border:1px solid #b4c5ab;border-radius:6px;padding:5px 10px;font-size:12px}.ad-slot{padding:20px 0;min-height:100px}.ad-slot:before{content:'Advertisement';font-size:9px;color:#777;display:block;text-align:center;letter-spacing:1px}body:has(dialog[open]){overflow:hidden}
@media(max-width:760px){.top{padding:18px 20px}.brand strong{font-size:13px}.brand small{display:none}.nextgen{display:none}.top-actions{gap:0}.quiet{padding:7px 9px}main{padding:0 18px}.hero{grid-template-columns:1fr;padding:30px 25px;gap:30px}.hero h1{font-size:39px}.hero-art{min-height:240px}.orbit{width:230px;height:230px}.orbit-two{width:190px;height:190px}.spine{height:155px;width:75px;padding:18px 9px}.s2{height:175px}.s3{height:145px}.books{grid-template-columns:1fr}.book{display:grid;grid-template-columns:125px 1fr}.book-cover{height:100%;min-height:250px;padding:18px 12px}.book-cover img{height:auto;max-height:180px;width:100%}.book-number{top:10px;left:12px}.book-body{padding:18px}.book h3{font-size:23px}.book-desc{min-height:0}.book-actions{flex-wrap:wrap}.offline-button{width:100%;padding:6px}.book-actions .primary{width:100%}.section-head{align-items:flex-start;flex-direction:column}.search{width:100%}.search input{width:100%}.filterbar{align-items:flex-start;flex-direction:column;gap:10px}.filters button{padding:7px 9px;font-size:11px}.continue{padding:20px;align-items:flex-start;flex-direction:column}.study-note{align-items:flex-start;flex-wrap:wrap}.study-note>span{display:none}.text-button{margin:0}.reader-top{padding:10px;gap:8px}.reader-top h2{font-size:14px}.reader-top .quiet{font-size:10px}.reader-tools{gap:6px;padding:6px}.reader-tools .quiet{font-size:11px}.tool-separator{display:none}.page-scroll{padding:8px}.footer-links{flex-wrap:wrap}.reader-top>div{flex:1}#reader-error{padding:20px}.hero-copy{font-size:13px}}
.spine b{overflow-wrap:anywhere}.s3 b{font-size:12px}

/* Author cover palette: yellow #fdf001, black, white, green #316a37. */
.brandmark{background:#fdf001;color:#080808;border:1px solid #080808}.brandmark span{color:#316a37}
.hero{background:#fdf001;color:#080808;border:1px solid #080808}.hero .eyebrow{color:#316a37}.hero h1{font-family:Arial,Helvetica,sans-serif;font-weight:900;letter-spacing:-2px}.hero h1 em{color:#080808}.hero-copy{color:#242424}.hero .primary{background:#080808;color:#fdf001}.hero .primary:hover{background:#316a37;color:#fff}
.art-label,.art-foot{color:#244d28}.orbit{border-color:#08080822}.s1{background:#080808;color:#fff}.s2{background:#fff;color:#080808;border:1px solid #080808}.s3{background:#316a37;color:#fff}.spine{box-shadow:8px 14px 20px #0003,inset 6px 0 0 #0002}
.book-cover{background:#fff8a5}.book:nth-child(2) .book-cover{background:#efefeb}.book:nth-child(3) .book-cover{background:#e5ede3}.book{border-color:#d6d6c9}.filters button[aria-pressed=true]{background:#fdf001;color:#080808}.filters span{background:#fffbc0}.continue{background:#080808;color:#fff}.continue .eyebrow{color:#fdf001}.continue .primary{background:#fdf001;color:#080808}.primary{background:#316a37}.primary:hover{background:#214b25}.reader-top{background:#080808}.reader-top h2{color:#fdf001}.reader-top small{color:#d7e0d3}.reader-top .quiet{border-color:#636363}.reader-top .quiet:hover{background:#316a37}.study-note>span{color:#316a37}.text-button{color:#316a37}.quiet:hover{background:#f4f2b3}.marks{background:#f8f3ae}.toast{background:#080808;color:#fdf001}:focus-visible{outline-color:#316a37}

/* Black, yellow and white reading-room theme. Original PDF pages keep their colors. */
:root{--ink:#fff;--muted:#ddd;--line:#444;--teal:#fdf001;--navy:#080808;color-scheme:dark}
body{background:#080808;color:#fff}.top{background:#080808;border-color:#444}.brand,.nextgen{color:#fff}
.hero{background:#080808;color:#fff;border-color:#444}.hero h1,.hero h1 em,.hero .eyebrow,h2,.book h3,.tag,.study-note>span,.text-button{color:#fdf001}.hero-copy{color:#eee}
.primary,.hero .primary,.continue .primary{background:#fdf001;color:#080808}.primary:hover,.hero .primary:hover,.continue .primary:hover{background:#fff;color:#080808}
.art-label,.art-foot{color:#fdf001}.orbit{border-color:#ffffff22}.s3{background:#fdf001;color:#080808}.s2{background:#fff;color:#080808}
.book,.continue{background:#111;color:#fff;border-color:#444}.book-cover,.book:nth-child(2) .book-cover,.book:nth-child(3) .book-cover{background:#181818}.book-number{color:#fff}.book-desc,.book-author,.book-meta,.study-note p,footer p,.muted{color:#ddd}
.search,.offline-button,.offline-button[aria-pressed=true]{background:#151515;color:#fff;border-color:#555}.search input{color:#fff}.filters button{color:#eee}.filters button[aria-pressed=true]{background:#fdf001;color:#080808}.filters span{background:#353535;color:#fff}.filters button[aria-pressed=true] span{background:#fffbc0;color:#080808}
.quiet{color:inherit;border-color:#666}.quiet:hover{background:#333;color:#fff}.reader-top .quiet:hover{background:#333}.reader-top,.reader-tools,.reader-bottom,.reader-status,.marks{background:#080808;color:#fff}.reader-tools input,.marks button{background:#222;color:#fff;border-color:#666}.reader-top h2{color:#fdf001}.reader-top small{color:#ddd}#reader,.page-scroll{background:#151515}#pdf-text{background:#151515;color:#fff}
dialog{background:#151515;color:#fff}.icon-button{color:#fff}.toast{background:#fdf001;color:#080808}.ad-slot:before{color:#ddd}:focus-visible{outline-color:#fdf001}

:root{--paper:#080808}.book{background:linear-gradient(145deg,#292929,#161616);border-color:#606060;transition:transform .2s,border-color .2s,box-shadow .2s}.book:hover,.book:focus-within{transform:translateY(-4px);border-color:#fdf001;box-shadow:0 10px 24px #0009}.book-cover,.book:nth-child(2) .book-cover,.book:nth-child(3) .book-cover{background:#242424}.study-note{background:#171717;padding:24px;border:1px solid #444;border-radius:14px}.continue{background:#252525;border:1px solid #666}.primary{transition:transform .15s}.primary:hover{transform:translateY(-2px)}@media(prefers-reduced-motion:reduce){.book,.primary{transition:none;transform:none!important}}