:root{color-scheme:light;--paper:#faf8f2;--panel:#efeee5;--ink:#213a32;--muted:#63766a;--accent:#237362;--line:#d7dfd2;--code:#eff2e9;--size:18px}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.8 system-ui,-apple-system,"PingFang SC",sans-serif}body.dark{color-scheme:dark;--paper:#16251f;--panel:#1c2e25;--ink:#e3e9dd;--muted:#a5b9a8;--accent:#9bd8b9;--line:#354e3e;--code:#1c3025}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button{padding:4px 11px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink);cursor:pointer}button:hover{border-color:var(--accent)}.skip{position:fixed;left:12px;top:-60px;background:var(--paper);padding:8px;z-index:10}.skip:focus{top:8px}header{position:fixed;inset:0 0 auto;height:68px;z-index:5;display:flex;gap:16px;align-items:center;background:var(--paper);border-bottom:1px solid var(--line);padding:0 28px}.brand{margin-right:auto;font-size:15px;font-weight:750;color:var(--ink)}.download{font-size:13px}#menu{display:none}aside{position:fixed;top:68px;bottom:0;left:0;width:310px;overflow:auto;background:var(--panel);border-right:1px solid var(--line);padding:28px 22px}.side-heading span{font-size:11px;letter-spacing:.08em;color:var(--accent)}.side-heading h1{font-family:serif;font-size:26px;font-weight:500;line-height:1.4;margin:12px 0}.side-heading p{font-size:12px;color:var(--muted);margin-bottom:24px}label{display:block;color:var(--muted);font-size:12px;margin-bottom:6px}.search-row{display:flex;gap:5px}.search-row input{width:100%;min-width:0;padding:7px;border:1px solid var(--line);border-radius:5px;background:var(--paper);color:var(--ink);font-size:12px}.search-row button{font-size:12px;white-space:nowrap;padding:3px 8px}#search-status{font-size:12px;color:var(--muted)}#search-results a{display:block;padding:8px 0;font-size:12px;border-bottom:1px solid var(--line)}#search-results small{display:block;color:var(--muted);line-height:1.6}nav h2{font-size:11px;letter-spacing:.08em;color:var(--muted);margin:24px 6px 9px}nav a{display:block;overflow-wrap:anywhere;padding:7px;font-size:12px;line-height:1.6;border-radius:5px}nav a[aria-current=page]{background:var(--paper);font-weight:700}main{margin:68px 0 0 310px;padding:30px clamp(22px,4.2vw,80px) 50px}.reading-tools{display:flex;gap:7px;align-items:center;margin-bottom:40px;font-size:13px}.reading-tools span{margin-left:auto;font-size:11px;color:var(--muted)}article{max-width:940px;margin:0 auto;font-size:var(--size)}article h1{font:500 clamp(28px,3vw,42px)/1.5 serif;overflow-wrap:anywhere;margin:0 0 32px}article h2{font-size:1.2em;margin-top:2.1em;line-height:1.5}article h3{font-size:1.04em;margin-top:1.7em}article p{line-height:1.95;margin:1.25em 0}article img{max-width:100%;height:auto;border-radius:8px}article ul,article ol{padding-left:1.5em}article code{font: .85em/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere}article pre{overflow:auto;padding:18px;background:var(--code);border:1px solid var(--line);border-radius:7px;font-size:.88em;tab-size:2}article pre code{overflow-wrap:normal}article table{border-collapse:collapse;width:100%;table-layout:fixed;font-size:.78em;line-height:1.7;margin:24px 0}article th,article td{border:1px solid var(--line);padding:9px;text-align:left;vertical-align:top;overflow-wrap:anywhere}article th{background:var(--panel)}article blockquote{border-left:3px solid var(--accent);margin:20px 0;padding-left:20px;color:var(--muted)}.pager{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:24px;margin:50px auto 28px;max-width:940px;font-size:14px}.notice{font-size:11px;color:var(--muted);max-width:940px;margin:30px auto}.hero{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:35px;align-items:center}.eyebrow{color:var(--accent);font-size:11px;letter-spacing:.12em}.hero h1{font-size:clamp(32px,3.3vw,48px);margin:14px 0}.hero .subtitle{font-size:23px;font-family:serif;margin:0}.hero p{font-size:15px;line-height:1.9}.hero .hero-stats{font-size:11px;color:var(--muted)}.cover{box-shadow:12px 16px 32px #132f2633;transform:rotate(2deg)}.primary,.secondary{display:inline-block;border:1px solid var(--accent);padding:9px 16px;border-radius:5px;font-size:14px;margin:8px 10px 0 0}.primary{background:var(--accent);color:var(--paper)}.routes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.routes section{border:1px solid var(--line);background:var(--panel);padding:20px;border-radius:8px}.routes span{font-size:11px;color:var(--accent)}.routes h3{font-size:17px;line-height:1.7;margin-top:12px}.routes p,.routes a{font-size:13px}.chapter-list li{border-bottom:1px solid var(--line);padding:11px 0;font-size:14px}.chapter-list span{display:block;color:var(--muted);font-size:11px}.sourceCode .kw,.sourceCode .cf{color:#966042}.sourceCode .st{color:#32735b}.sourceCode .co{color:var(--muted)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}@media(max-width:900px){#menu{display:block}aside{display:none;z-index:4;width:min(310px,92vw);box-shadow:10px 0 30px #0002}aside.open{display:block}main{margin-left:0;padding:24px 20px 40px}header{padding:0 16px;gap:10px}.brand{font-size:13px}.download{font-size:11px}.reading-tools{margin-bottom:28px}.hero{grid-template-columns:minmax(0,1fr) 150px;gap:22px}.routes{grid-template-columns:1fr}.hero h1{font-size:31px}.hero .subtitle{font-size:20px}article table{font-size:.68em}article th,article td{padding:6px}}@media(max-width:530px){.hero{display:flex;flex-direction:column-reverse;align-items:flex-start}.cover{width:150px!important;align-self:center;margin-bottom:10px}.hero h1{font-size:34px}.reading-tools span{font-size:10px}#continue{font-size:11px}article pre{max-width:100%;font-size:.77em}}

/* BEGIN AIAS SHARED READER */
/* Aias Reader 1.0 — vendored into each book; no remote assets required. */
@media screen {
  :root {
    --reader-page: #f7f7f3 !important;
    --reader-surface: #fffefa !important;
    --reader-text: #292e34 !important;
    --reader-muted: #626b74 !important;
    --reader-line: #dedfd9 !important;
    --reader-accent: #28685c !important;
    --reader-soft: #eaf0eb !important;
    --reader-code: #eff0ec !important;
    --reader-keyword: #73579d !important;
    --reader-string: #28685c !important;
    --reader-number: #955028 !important;
    color-scheme: light !important;
  }
  :root[data-theme="dark"], body.dark, body[data-md-color-scheme="slate"] {
    --reader-page: #1c1f24 !important;
    --reader-surface: #22262c !important;
    --reader-text: #d7dce2 !important;
    --reader-muted: #a0a8b3 !important;
    --reader-line: #3b414a !important;
    --reader-accent: #91c5b5 !important;
    --reader-soft: #2b3835 !important;
    --reader-code: #282d34 !important;
    --reader-keyword: #c6afe8 !important;
    --reader-string: #a4c6a0 !important;
    --reader-number: #dfb385 !important;
    color-scheme: dark !important;
  }
  /* Adapt the existing readers without changing their content or navigation. */
  :root, body {
    --bg: var(--reader-page) !important;
    --page-bg: var(--reader-page) !important;
    --paper: var(--reader-surface) !important;
    --surface: var(--reader-surface) !important;
    --panel: var(--reader-surface) !important;
    --surface-muted: var(--reader-code) !important;
    --ink: var(--reader-text) !important;
    --fg: var(--reader-text) !important;
    --text: var(--reader-text) !important;
    --heading: var(--reader-text) !important;
    --muted: var(--reader-muted) !important;
    --line: var(--reader-line) !important;
    --accent: var(--reader-accent) !important;
    --accent-hover: var(--reader-accent) !important;
    --accent-soft: var(--reader-soft) !important;
    --code: var(--reader-code) !important;
    --code-bg: var(--reader-code) !important;
    --focus: var(--reader-accent) !important;
    --header-bg: var(--reader-page) !important;
    --md-default-bg-color: var(--reader-page) !important;
    --md-default-fg-color: var(--reader-text) !important;
    --md-default-fg-color--light: var(--reader-muted) !important;
    --md-default-fg-color--lighter: var(--reader-line) !important;
    --md-primary-fg-color: var(--reader-surface) !important;
    --md-primary-bg-color: var(--reader-text) !important;
    --md-accent-fg-color: var(--reader-accent) !important;
    --md-typeset-color: var(--reader-text) !important;
    --md-typeset-a-color: var(--reader-accent) !important;
    --md-code-bg-color: var(--reader-code) !important;
    --md-code-fg-color: var(--reader-text) !important;
    --md-code-hl-comment-color: var(--reader-muted) !important;
    --md-code-hl-keyword-color: var(--reader-keyword) !important;
    --md-code-hl-string-color: var(--reader-string) !important;
    --md-code-hl-number-color: var(--reader-number) !important;
  }
  html { -webkit-text-size-adjust: 100%; scrollbar-color: var(--reader-line) var(--reader-page); }
  body {
    background: var(--reader-page) !important;
    color: var(--reader-text) !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif !important;
    -webkit-font-smoothing: antialiased;
  }
  ::selection { background: var(--reader-accent); color: var(--reader-page); }
  :focus-visible { outline: 2px solid var(--reader-accent); outline-offset: 4px; }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) {
    font-family: inherit;
    font-size: var(--reader-size, var(--body-size, var(--reading-size, var(--size, 18px)))) !important;
    line-height: 1.95;
    overflow-wrap: break-word;
  }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) :is(h1, h2, h3, h4) {
    color: var(--reader-text) !important;
    font-family: inherit;
    line-height: 1.5;
    font-weight: 650;
  }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) p { text-align: start; }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) a {
    color: var(--reader-accent) !important;
    text-decoration-color: var(--reader-accent);
    text-underline-offset: .2em;
    overflow-wrap: anywhere;
  }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) pre {
    background: var(--reader-code) !important;
    color: var(--reader-text) !important;
    border: 1px solid var(--reader-line) !important;
    border-radius: 8px;
    max-width: 100%;
    overflow-x: auto;
    white-space: pre;
    overflow-wrap: normal;
    line-height: 1.75;
    tab-size: 4;
    scrollbar-width: thin;
  }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-variant-ligatures: none;
  }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) :not(pre) > code {
    background: var(--reader-code) !important;
    color: var(--reader-text) !important;
    border-radius: 4px;
    padding: .12em .3em;
  }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) pre code {
    background: transparent !important;
    color: inherit !important;
    padding: 0;
    white-space: pre;
    overflow-wrap: normal;
  }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) pre code span { color: inherit !important; }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) pre code :is(.kw, .cf, .dt, .bu, .fu, .k, .kn, .kd, .kc, .kt) { color: var(--reader-keyword) !important; }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) pre code :is(.st, .ch, .vs, .s, .s1, .s2) { color: var(--reader-string) !important; }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) pre code :is(.dv, .bn, .fl, .mi, .mf) { color: var(--reader-number) !important; }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) pre code :is(.co, .cv, .an, .do, .c, .c1, .cm, .cp) { color: var(--reader-muted) !important; font-style: normal; }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) blockquote {
    background: var(--reader-soft) !important;
    color: var(--reader-text) !important;
    border-left: 3px solid var(--reader-accent) !important;
  }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) :is(th, td) { border-color: var(--reader-line) !important; }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) th { background: var(--reader-code) !important; color: var(--reader-text) !important; }
  :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) :is(img, svg) { max-width: 100%; height: auto; }
  :is(.sidebar, #sidebar, .book-sidebar, .md-sidebar, .mobile-header, .mobile-menu nav) {
    background: var(--reader-surface) !important;
    color: var(--reader-text) !important;
    border-color: var(--reader-line) !important;
  }
  :is(aside, .sidebar, .md-sidebar) a { color: var(--reader-muted); }
  :is(aside, .sidebar, .md-sidebar) a:hover,
  :is(aside, .sidebar, .md-sidebar) a[aria-current] { color: var(--reader-accent) !important; background: var(--reader-soft) !important; }
  :is(.brand-title, .brand-subtitle, .nav-number, .sidebar-brand .eyebrow, .edition) { color: var(--reader-muted) !important; }
  :is(.primary-action, .button-primary, .primary-button, .start, .hero .button) {
    background: var(--reader-accent) !important;
    color: var(--reader-page) !important;
    border-color: var(--reader-accent) !important;
  }
  .contents-list a:hover { background: var(--reader-soft) !important; }
  .aias-basic-reader > #title-block-header { display: none; }
  .aias-basic-reader #TOC:not(:has(a)) { display: none; }
  .aias-basic-reader h1 { font-size: 1.7em; margin-top: 1.4em; }
  .aias-basic-reader blockquote { margin-inline: 0; padding: .5em 1.1em; }
  .aias-reader-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 12px; padding: 12px 0; margin: 0 0 16px; font-size: 13px; }
  .aias-reader-tools a { color: var(--reader-muted); }
  .aias-reader-theme {
    color: var(--reader-text) !important;
    background: var(--reader-surface) !important;
    border: 1px solid var(--reader-line) !important;
    border-radius: 6px;
    padding: 7px 11px;
    font: inherit;
    font-size: 12px;
    line-height: 1.5;
    min-height: 34px;
    cursor: pointer;
  }
  @media (max-width: 680px) {
    :is(main, article, .prose, .book-content, #book, .md-typeset, .aias-basic-reader) {
      font-size: var(--reader-size, var(--body-size, var(--reading-size, var(--size, 17px)))) !important;
    }
  }
}

@media screen {
  header .brand { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  header button, header .download { flex-shrink: 0; white-space: nowrap; }
  #content a.primary { color: var(--reader-page) !important; }
}
/* END AIAS SHARED READER */