:root{--paper:#faf9f5;--ink:#263b35;--muted:#65736c;--line:#dce2d9;--accent:#087c73;--panel:#fff;--mark:#f9e7a5;--size:19px;--leading:1.85;--face:Georgia,'Times New Roman',serif;color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,sans-serif}body[data-theme=sepia]{--paper:#f3e9d6;--panel:#faf1df;--ink:#44392b;--muted:#74644b;--line:#d9caae;--accent:#6a552e}
body[data-theme=dark]{--paper:#172521;--panel:#20332d;--ink:#e5ece4;--muted:#b0bfb4;--line:#40564a;--accent:#85d2bd;--mark:#655923;color-scheme:dark}
a{color:var(--accent)}button,input,select,textarea{font:inherit}button,a,select,input{touch-action:manipulation}button{cursor:pointer;color:inherit;background:var(--panel);border:1px solid var(--line);border-radius:10px;min-height:44px;padding:9px 15px}button:hover{border-color:var(--accent)}button:disabled{opacity:.4;cursor:default}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:3px}[hidden]{display:none!important}
.reader-top{height:72px;display:flex;align-items:center;gap:16px;padding:0 max(20px,calc((100% - 1000px)/2));border-bottom:1px solid var(--line)}.back{font-size:25px;text-decoration:none;width:36px}.brand{font-size:25px;font-weight:750;letter-spacing:-1px;text-decoration:none}.reading-mode{margin-left:auto;color:var(--muted);font-size:12px}.reader-top button{font-family:Georgia,serif;font-size:20px}.reader-tools{max-width:740px;margin:22px auto 0;display:flex;justify-content:space-between;gap:10px;padding:0 20px}.reader-tools button{background:transparent;font-size:13px;border:0}.reader-tools span{margin-left:6px}
main{max-width:720px;margin:44px auto 110px;padding:0 28px}.book-context{color:var(--muted);font-size:12px;margin-bottom:36px}.eyebrow{color:var(--accent);text-transform:uppercase;letter-spacing:1.8px;font-size:11px;font-weight:700;margin-bottom:18px}h1{font-family:Georgia,serif;font-size:clamp(30px,4vw,44px);font-weight:400;line-height:1.18;letter-spacing:-.7px;margin:0 0 22px}h1:focus{outline:none}.chapter-meta{color:var(--muted);font-size:12px;margin-bottom:38px}.chapter-body{font-family:var(--face);font-size:var(--size);line-height:var(--leading);overflow-wrap:break-word}.text-block{position:relative;margin:0 0 1.25em;padding-right:25px}.text-block p{margin:0}.text-block h2{font-size:1.2em;line-height:1.45;margin:1.8em 0 .7em}.text-block.li{padding-left:20px}.text-block.li:before{content:'•';position:absolute;left:0;color:var(--accent)}.text-block.prompt{background:var(--panel);padding:22px 36px 20px 22px;border-left:3px solid var(--accent);border-radius:0 12px 12px 0;font-family:system-ui,sans-serif;font-size:.88em}.copy-prompt{font:12px system-ui;margin-top:18px}.save-block{position:absolute;right:-10px;top:0;background:transparent;border:0;padding:0;width:30px;min-height:36px;color:var(--muted);font:19px system-ui;opacity:.55}.save-block:hover,.save-block:focus-visible{opacity:1}.text-block.has-idea>.save-block{color:var(--accent);opacity:1}.text-block.has-idea>[data-text]{border-left:2px solid var(--accent);padding-left:12px}mark{background:var(--mark);color:var(--ink);border-radius:2px}
.chapter-end{border-top:1px solid var(--line);margin-top:42px;padding-top:28px}.chapter-end>span{font-size:10px;letter-spacing:1.6px;color:var(--accent);font-weight:700}.chapter-end p{font:22px/1.5 Georgia,serif}.chapter-end button{font-size:13px}.chapter-navigation{display:flex;justify-content:space-between;gap:12px;margin-top:36px}.chapter-navigation button{font-size:13px}.reading-progress{position:fixed;bottom:0;left:0;width:100%;background:var(--paper);border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:12px max(20px,calc((100% - 680px)/2)) max(12px,env(safe-area-inset-bottom));font-size:11px;color:var(--muted)}progress{width:100%;height:3px;accent-color:var(--accent);border:0}dialog{color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:20px;width:min(540px,calc(100% - 24px));max-height:85dvh;padding:26px}dialog::backdrop{background:#0c201bb0;backdrop-filter:blur(3px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.dialog-head h2{font:27px Georgia,serif;margin:0}.dialog-head button{font-size:23px;padding:0;width:44px}.hint{font-size:12px;line-height:1.7;color:var(--muted)}dialog label{display:block;margin:22px 0 10px;font-size:14px}input[type=range],select,textarea{width:100%;accent-color:var(--accent)}select,textarea{background:var(--paper);color:var(--ink);padding:12px;border:1px solid var(--line);border-radius:8px}fieldset{border:0;padding:0;margin:24px 0 0}legend{font-size:14px;margin-bottom:12px}.theme-options{display:flex;gap:8px}.theme-options button{flex:1;font-size:13px}.theme-options [aria-pressed=true]{outline:2px solid var(--accent)}output{float:right;color:var(--muted)}#toc-list{display:grid;gap:7px}#toc-list button{display:flex;gap:16px;align-items:baseline;text-align:left;font-size:14px;line-height:1.5;border-color:transparent}#toc-list button[aria-current]{background:var(--paper);border-color:var(--accent)}#toc-list span{color:var(--muted);font-size:11px}.primary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:12px 20px;border:0;border-radius:10px;background:var(--accent);color:var(--paper);text-decoration:none;font-size:14px;font-weight:650}blockquote{margin:16px 0;border-left:3px solid var(--accent);padding:12px 16px;font:17px/1.65 Georgia,serif;background:var(--paper);max-height:200px;overflow:auto;white-space:pre-wrap}.idea{padding:18px 0;border-bottom:1px solid var(--line)}.idea p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.7}.idea button{font-size:12px;margin:4px 6px 0 0}.idea small{color:var(--muted)}.selection-save{position:fixed;bottom:85px;left:50%;transform:translateX(-50%);background:var(--accent);color:var(--paper);box-shadow:0 4px 20px #0002;z-index:3;white-space:nowrap}.preview-end{margin:32px 0;padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:14px}.preview-end h2{font:28px Georgia,serif}.preview-end>p{line-height:1.7}.skip-link{position:absolute;top:-100px}.skip-link:focus{top:5px;background:var(--panel);padding:14px;z-index:9}#note-error{color:#be4132;font-size:13px}.flash-block{outline:2px solid var(--accent);outline-offset:8px}
@media(max-width:600px){.reader-top{height:64px;padding:0 16px;gap:10px}.brand{font-size:23px}.reading-mode{font-size:10px}.reader-tools{margin-top:12px;padding:0 12px}main{margin-top:28px;padding:0 24px}.book-context{margin-bottom:28px}.chapter-meta{margin-bottom:28px}.text-block{padding-right:18px}.save-block{right:-14px}.chapter-navigation button{padding:10px;font-size:12px}dialog{padding:22px}.reading-progress{font-size:10px}}

.reader-top{position:sticky;top:0;background:var(--paper);z-index:4}.reader-tools{position:sticky;top:72px;background:var(--paper);z-index:4;margin-top:0;padding-top:12px;padding-bottom:8px}.text-block{scroll-margin-top:140px}@media(max-width:600px){.reader-tools{top:64px;margin-top:0}}