:root{--paper:#f6f5f0;--ink:#26382f;--muted:#7b827b;--line:#dddfd6;--green:#285b43;--soft:#e6ebdf;--panel:#fffef9;--body-size:20px;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:88px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft Yahei",sans-serif;-webkit-font-smoothing:antialiased}body[data-theme=night]{--paper:#1c2420;--ink:#d9dfd4;--muted:#a1ad9e;--line:#39463c;--green:#afd1ac;--soft:#303e33;--panel:#252f29;color-scheme:dark}body[data-theme=white]{--paper:#fff;--panel:#fff;--soft:#eff3ee}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{border:0;background:transparent;color:inherit;cursor:pointer;min-height:44px;padding:8px 14px;border-radius:7px}button:hover{background:var(--soft)}button:focus-visible,a:focus-visible{outline:2px solid var(--green);outline-offset:4px}button:disabled{opacity:.5;cursor:wait}a{color:var(--green)}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:6px;background:var(--panel);color:var(--ink);padding:13px 14px;outline:none}input:focus,textarea:focus{border-color:var(--green)}textarea{resize:vertical;min-height:250px;line-height:1.8}label{display:block;font-size:13px;color:var(--muted);margin:20px 0 7px}h1,h2,h3,p{margin-top:0}h1{font-size:30px;line-height:1.4;font-weight:600;letter-spacing:-.8px}h2{font-size:21px;font-weight:600}small,.muted{color:var(--muted);font-size:12px}.eyebrow{font-size:11px;letter-spacing:3px;color:var(--muted)}.shell{max-width:980px;margin:auto;padding:42px 36px 150px}.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:44px}.brand{display:flex;gap:12px;align-items:center;font-weight:600;letter-spacing:2px}.brand-mark{width:33px;height:39px;border:1px solid var(--green);border-left:5px solid var(--green);display:grid;place-content:center;font-family:serif;color:var(--green);border-radius:1px 4px 4px 1px}.top .muted{letter-spacing:1px}.page-title{display:flex;align-items:end;justify-content:space-between;margin-bottom:25px}.page-title h1{margin:0}.primary{background:var(--green);color:var(--paper);padding:12px 22px;border-radius:6px;font-weight:500}.primary:hover{filter:brightness(1.08);background:var(--green)}.secondary{border:1px solid var(--line)}.wide{width:100%}.continue{display:grid;grid-template-columns:96px 1fr;gap:25px;padding:28px 0 36px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:32px}.cover{aspect-ratio:3/4;background:#3d5847;color:#f0eedb;border-radius:2px 6px 6px 2px;box-shadow:inset 6px 0 #0002,2px 4px 8px #26382f0d;padding:16px 13px;display:flex;flex-direction:column;justify-content:space-between;font-family:"Songti SC","Noto Serif CJK SC",serif}.cover .cover-title{font-size:17px;line-height:1.5;letter-spacing:1px}.cover small{font-family:inherit;color:#e3e3ce;font-size:8px;letter-spacing:2px}.continue h2{margin:9px 0 7px;font-size:23px}.continue p{margin-bottom:16px}.continue .actions{display:flex;gap:9px}.search{position:relative;margin:25px 0 18px}.search input{background:transparent;padding-left:42px;border-radius:22px}.search:before{content:'⌕';font-size:27px;position:absolute;left:15px;top:2px;color:var(--muted)}.filters{display:flex;gap:8px;overflow-x:auto;margin-bottom:12px}.filters button{white-space:nowrap;color:var(--muted);padding:5px 16px;min-height:36px}.filters button.active{background:var(--soft);color:var(--green)}.book-row{display:grid;grid-template-columns:55px 1fr 30px;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);cursor:pointer}.book-row .cover{padding:9px 7px;box-shadow:inset 4px 0 #0002}.book-row .cover-title{font-size:11px}.book-row .cover small{font-size:5px}.book-row h3{font-size:17px;font-weight:500;margin:0 0 6px}.book-row p{font-size:12px;color:var(--muted);margin:0}.arrow{color:var(--muted)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:var(--paper);border-top:1px solid var(--line);padding:9px max(20px,calc((100vw - 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/* Zack's paper library — covers are navigation; the document remains the focus. */
:root{--paper:#f5f2e9;--panel:#fbf9f2;--ink:#282b25;--muted:#828174;--line:#deded2;--green:#3c604c;--soft:#e8ebdf}
.brand{letter-spacing:0;font-family:"Songti SC","STSong",serif;font-size:19px}.brand-mark{font-size:18px}.top{margin-bottom:34px}.top .muted{font-size:11px;letter-spacing:2px}.shell{max-width:1000px}.page-title h1,.section-title h2{font-family:"Songti SC","STSong",serif;font-size:24px;letter-spacing:.3px}.page-title{margin:34px 0 18px}.continue{grid-template-columns:1fr 112px;align-items:center;gap:35px;padding:28px 0 34px;margin:0;border-top:0}.continue h2{font-family:"Songti SC","STSong",serif;font-size:29px;line-height:1.5;margin:13px 0 12px;max-width:450px}.continue .eyebrow{color:var(--green);letter-spacing:2px}.continue p{margin-bottom:17px}.continue-cover{padding:0;min-height:0;border-radius:2px;text-align:left}.continue-cover:hover{background:none}.continue .cover{width:100%;height:auto;min-height:0;padding:14px 12px}.continue .cover-title{font-size:19px}.continue .cover-category{font-size:7px}.continue .cover-bottom{font-size:5px}.continue .primary{font-size:13px;min-height:42px;padding:10px 20px}.cover{position:relative;isolation:isolate;aspect-ratio:3/4;overflow:hidden;color:#263c2e;background:#d7ded0;border-radius:1px 4px 4px 1px;box-shadow:inset 3px 0 0 #0000000d,inset 5px 0 0 #ffffff28,2px 3px 4px #22220b;padding:20px 18px;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start}.cover:after{content:'';position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 0 1px #00000006,inset 4px 0 0 #00000008;z-index:3}.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}.cover.illustrated:before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,#fff5 0%,#fff0 65%);z-index:-1}.cover .cover-title{font-size:24px;font-weight:600;letter-spacing:.5px;line-height:1.48;overflow-wrap:anywhere;margin-top:14px;max-height:70%;overflow:hidden;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical}.cover-category{font:9px/1.4 -apple-system,sans-serif;letter-spacing:1px;opacity:.72}.cover-bottom{font:7px/1.4 -apple-system,sans-serif;letter-spacing:1.4px;margin-top:auto;opacity:.6;padding-top:12px}.palette-sand{background:#ded4b8;color:#4f492d}.palette-plum{background:#d9d3de;color:#4c4052}.palette-clay{background:#e2cfc2;color:#633e34}.palette-blue{background:#d5dfe2;color:#334d58}.palette-leaf{background:#dce1ca;color:#4d5738}.palette-ink{background:#deddd6;color:#48483f}.library-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px 28px}.book-card{display:block;text-align:left;min-width:0;padding:0;border-radius:0;align-self:start}.book-card:hover{background:none}.book-card:hover .cover{transform:translateY(-2px)}.book-card h3{font-size:14px;font-weight:500;line-height:1.6;letter-spacing:.1px;margin:13px 0 5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}.book-card p{font-size:11px;color:var(--muted);margin:0}.book-card .cover{transition:transform .15s ease}.library-grid>.empty{grid-column:1/-1}.shelf-tools{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:25px}.filters{margin-bottom:0;gap:3px}.filters button{padding:5px 12px;font-size:12px;border-radius:4px}.category-filter{font-size:12px;white-space:nowrap;max-width:135px;overflow:hidden;text-overflow:ellipsis;padding:5px 7px;color:var(--muted)}.search{margin:0 0 13px}.search input{font-size:13px;border-radius:5px;background:#eeeee580;border-color:transparent}.section-title{display:flex;align-items:center;justify-content:space-between;margin:48px 0 20px;border-top:1px solid var(--line);padding-top:25px}.section-title h2{margin:0;font-size:22px}.section-title button{font-size:12px;color:var(--muted)}.collection-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.collection-card{padding:0;text-align:left;display:flex;gap:18px;align-items:center;min-width:0}.collection-card .cover{width:74px;flex-shrink:0;padding:11px 9px}.collection-card .cover-title{font-size:13px;margin-top:6px}.collection-card .cover-category{font-size:5px}.collection-card .cover-bottom{font-size:4px;letter-spacing:.4px}.collection-card strong{font-size:14px;display:block;font-weight:500}.collection-card small{display:block;margin-top:6px}.collection-checks{max-height:33vh;overflow:auto;margin:10px 0 20px}.collection-checks label{display:flex;gap:12px;color:var(--ink);font-size:14px;margin:0;padding:12px 0;border-bottom:1px solid var(--line)}.collection-checks input{width:18px;min-width:18px;accent-color:var(--green)}.collection-intro{display:flex;gap:25px;align-items:center;margin:25px 0 40px}.collection-intro .cover{width:110px;flex-shrink:0;padding:14px}.collection-intro .cover-title{font-size:18px}.collection-intro h1{font:26px/1.5 "Songti SC",serif}.reading-guide{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;font-size:14px;line-height:1.9;letter-spacing:0;color:var(--muted);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:19px 0;margin:26px 0 38px}.guide-label{font-size:12px;color:var(--green)}.guide-label small{margin-left:8px;font-size:10px;opacity:.7}.reading-guide p{margin:9px 0 10px}.reading-guide summary{cursor:pointer;font-size:12px;color:var(--green);width:fit-content;padding:5px 0}.reading-guide ul{font-size:13px;padding-left:20px;margin-bottom:4px}.reader-top{border-bottom:0;padding-bottom:6px}.reader-top .reader-name{min-height:30px}.reader-bottom{border-top:1px solid var(--line)}.reader-bottom button{font-size:14px;color:var(--green);font-weight:400}.reading-end{margin-top:55px;padding-top:30px;border-top:1px solid var(--line);display:flex;flex-direction:column;align-items:center;font:12px/2 -apple-system,sans-serif;color:var(--muted)}.reading-end button{margin-top:13px;font-size:12px;color:var(--green)}.hide-ai-emphasis strong.ai-emphasis{font-weight:inherit}.toggle-label{display:flex;align-items:center;gap:10px;color:var(--ink)}.toggle-label input{width:18px;height:18px;accent-color:var(--green)}.source-link{display:block;font-size:14px;text-decoration:none;padding:14px 5px}.format-row{display:flex;align-items:center;justify-content:space-between;margin-top:13px}.format-row select{width:140px;font-size:12px;background:transparent;padding:7px 10px}.form h1{font-family:"Songti SC",serif;margin-top:15px}.form label span{font-size:11px;color:var(--muted);margin-left:8px}.import-result{font-size:13px;border-top:1px solid var(--line);padding:13px 0;margin:0;overflow-wrap:anywhere}.import-result a{float:right;margin-left:10px}.listen .cover{width:190px;padding:22px 20px}.listen .cover-title{font-size:27px}.book-row{grid-template-columns:60px 1fr 20px;gap:17px}.book-row .cover .cover-title{font-size:10px;margin-top:4px}.book-row .cover-category{font-size:4px}.book-row .cover-bottom{font-size:3px;letter-spacing:0}.book-row .cover{padding:8px}.listen+.library-grid,.listen-grid{display:block}body[data-theme=night] .search input{background:var(--panel)}
@media(max-width:600px){.shell{padding:24px 23px 140px}.brand{font-size:18px}.top{margin-bottom:16px}.top .muted{font-size:9px;letter-spacing:1px}.continue{grid-template-columns:1fr 100px;gap:22px;padding:20px 0 29px}.continue h2{font-size:24px;margin:10px 0 8px;line-height:1.45}.continue .cover-title{font-size:17px}.continue .cover{padding:13px 11px}.continue .eyebrow{font-size:10px}.continue .primary{font-size:12px;padding:9px 16px;min-height:38px}.page-title{margin:29px 0 19px}.page-title h1{font-size:23px}.library-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:29px 25px}.cover{padding:18px 15px}.cover .cover-title{font-size:24px;margin-top:13px}.book-card h3{font-size:13px;margin-top:12px}.cover-category{font-size:8px}.cover-bottom{font-size:6px}.section-title{margin-top:38px}.collection-grid{grid-template-columns:1fr}.reader{padding:30px 25px 130px}.reader h1{font-size:1.5em}.reading-guide{font-size:14px;margin-top:24px;margin-bottom:32px}.reader-top button{font-size:14px}.reader-top #appearance{font-size:17px}.reader-top #article-options{font-size:22px}.reader-bottom button{padding:7px 10px}.shelf-tools{gap:3px}.filters button{padding:5px 11px}.category-filter{max-width:95px}.listen .cover{width:175px}.listen .cover-title{font-size:26px}}
@media(min-width:601px) and (max-width:850px){.library-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}

.continue .continue-cover{padding:0;min-height:0}.continue .cover .cover-title{font-size:17px;line-height:1.45;margin-top:8px;max-height:none;-webkit-line-clamp:4}.continue .cover .cover-bottom{font-size:5px;letter-spacing:.6px;padding-top:5px}@media(max-width:600px){.continue .cover .cover-title{font-size:15px}}

.download-row{display:flex;gap:15px;justify-content:space-between;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.download-row>div{min-width:0}.download-row>div>button{text-align:left;padding:0;font-size:14px}.download-row small{display:block;font-size:11px}.download-row>button{font-size:12px;flex-shrink:0;color:var(--muted)}
.continue h2,.book-card h3,.reader h1{text-wrap:balance}

.suggestion{padding:16px 0;border-bottom:1px solid var(--line)}.suggestion strong{font-size:15px;font-weight:500}.suggestion p{margin:7px 0}.suggestion button{font-size:12px}