/* Matches the current sample website: Bitter headings and IBM Plex Sans text.
   Fonts and their SIL Open Font Licenses are bundled locally. */
@font-face{font-family:'IBM Plex Sans';src:url('fonts/IBMPlexSans-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'IBM Plex Sans';src:url('fonts/IBMPlexSans-Medium.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'IBM Plex Sans';src:url('fonts/IBMPlexSans-SemiBold.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'IBM Plex Sans';src:url('fonts/IBMPlexSans-Italic.woff2') format('woff2');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'Bitter';src:url('fonts/bitter-latin-ext-variable.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Bitter';src:url('fonts/bitter-latin-variable.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{
  /* Matches the palette in sharifi-website/styles.css. */
  --paper:#fdfdfb;--white:#ffffff;--ink:#142139;--body:#263449;
  --muted:#445066;--accent:#2774ae;--accent-dark:#005587;
  --wash:#daebfe;--line:#bbc6d6;--line-strong:#768aa8;
  --gold:#ffd100;--gold-hover:#ffc72c;--gold-wash:#fff1cb;
  --sans:'IBM Plex Sans',-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --serif:'Bitter',Georgia,"Times New Roman",serif
}
h1,h2,h3,h4,h5,h6{color:var(--ink)}h1,h2{font-family:var(--serif);font-weight:500}
body{-webkit-font-smoothing:antialiased}a:hover{color:var(--accent-dark)}
::selection{color:var(--ink);background:var(--wash)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:106px}body{margin:0;background:var(--paper);color:var(--body);font-family:var(--sans)}[hidden]{display:none!important}a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:4px}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px;border-radius:2px}button{color:inherit}.skip-link{position:fixed;top:-80px;left:16px;background:var(--ink);color:white;padding:14px;z-index:100}.skip-link:focus{top:12px}
.topbar{height:89px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5.4vw;background:var(--paper);position:relative;z-index:5}.brand{display:flex;align-items:center;gap:13px;color:var(--ink);text-decoration:none;font-family:var(--serif);font-weight:500;font-size:18px}.monogram{display:grid;place-items:center;width:38px;height:44px;border:1px solid var(--line-strong);font-size:16px;letter-spacing:-1px}.brand-sub{display:block;font-family:var(--sans);font-size:9px;letter-spacing:2px;margin-top:6px;color:var(--muted)}.topbar-right{display:flex;align-items:center;gap:28px;font-size:12px}.edition{letter-spacing:1.4px;font-size:10px;color:var(--muted)}.pdf-link{text-decoration:none}.pdf-link span{margin-left:5px}.reading-progress{height:2px;position:sticky;top:0;background:transparent;z-index:20}.reading-progress span{display:block;width:0;height:2px;background:var(--accent)}
.layout{max-width:1204px;margin:0 auto;display:grid;grid-template-columns:228px minmax(0,790px);column-gap:78px;padding:58px 28px 0}.sidebar{position:sticky;top:30px;align-self:start;padding-top:4px;max-height:calc(100vh - 50px);overflow-y:auto}.nav-label{font-size:10px;letter-spacing:1.8px;font-weight:650;margin:0 0 20px;color:var(--muted)}.book-nav{display:grid;gap:16px}.book-nav a{font-size:13px;color:var(--muted);text-decoration:none;line-height:1.5}.book-nav a[aria-current]{font-weight:600;color:var(--accent)}.book-nav a[aria-current]::before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--gold);margin-right:9px;vertical-align:2px}.book-nav a span{font-size:11px;margin-left:5px}.section-label{margin-top:43px}.section-nav{display:grid;gap:15px;border-left:1px solid var(--line);padding-left:15px}.section-nav a{font-size:12px;text-decoration:none;color:var(--muted);line-height:1.6}.section-nav a span{color:var(--muted);margin-right:5px}.section-nav a.active{color:var(--accent);font-weight:600}.search-open{background:transparent;display:flex;align-items:center;justify-content:space-between;gap:6px;border:1px solid var(--line);border-radius:5px;padding:12px 9px;margin-top:31px;width:100%;font-size:11px;color:var(--body);text-align:left}.search-open:hover{background:var(--wash)}kbd{border:1px solid var(--line);border-radius:3px;padding:1px 5px;color:var(--muted);font-size:11px}.reader-options{margin-top:18px;color:var(--muted);font-size:11px}.reader-options label{display:flex;align-items:center;gap:7px;line-height:1.6}.reader-options input{accent-color:var(--accent);margin:0;width:13px;height:13px}.reading-tip{margin-top:42px;padding:19px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;align-items:flex-start;gap:10px}.tip-marker{font-size:18px;color:var(--gold);line-height:1}.reading-tip p{font-size:11px;line-height:1.85;margin:0;color:var(--muted)}.reading-tip strong{font-weight:550;color:var(--body);display:block}
.main{min-width:0}.eyebrow{font-size:10px;letter-spacing:1.7px;color:var(--accent);font-weight:550;margin:0 0 20px}.eyebrow span{color:var(--muted);margin:0 10px}.book-heading h1{font-family:var(--serif);font-size:57px;font-weight:500;line-height:1.13;letter-spacing:-1.9px;max-width:670px;margin:0 0 19px}.author{font-family:var(--sans);font-size:18px;color:var(--muted);margin:0 0 36px}.book-description{border-top:1px solid var(--line);padding-top:19px;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px}.book-description p{margin:0;color:var(--body)}.book-description>span{color:var(--muted);font-size:10px;white-space:nowrap}.edition-note{margin:25px 0 45px;padding:14px 17px;background:var(--wash);border-radius:3px;display:flex;gap:10px;align-items:flex-start;color:var(--muted)}.edition-note p{font-size:11px;line-height:1.85;margin:0}.note-dot{width:4px;height:4px;background:var(--gold);flex-shrink:0;border-radius:50%;margin-top:8px}
.mathematics{font-family:var(--sans);font-size:18px;line-height:1.9;overflow-wrap:break-word}.mathematics p{margin:0 0 1.05em;text-indent:0}.chapter-heading{font-family:var(--serif);font-weight:500;font-size:29px;line-height:1.3;margin:0 0 26px;letter-spacing:-.4px}.chapter-heading .titlemark{display:block;font-family:var(--sans);font-size:10px;letter-spacing:1.5px;color:var(--muted);text-transform:uppercase;margin-bottom:10px}.chapter-heading br{display:none}.section-heading{font-family:var(--serif);font-weight:500;font-size:32px;line-height:1.4;letter-spacing:-.5px;border-top:1px solid var(--line-strong);padding-top:39px;margin:60px 0 29px;scroll-margin-top:36px}.section-heading .titlemark{color:var(--accent);margin-right:6px}.statement{margin:28px 0 24px;padding:4px 0 0;border:0;scroll-margin-top:38px;transition:background .2s;position:relative}article.mathematics .statement:is(.definition,.theorem,.proposition,.lemma,.corollary,.conjecture){padding:20px 24px;border-left:1px solid var(--line-strong)}.statement p:last-child{margin-bottom:0}.statement-heading{font-family:var(--sans);font-style:normal;font-size:12px;line-height:1.6;font-weight:600;letter-spacing:.35px;margin:0 0 15px;color:var(--accent);position:relative;padding-right:24px}.statement-heading .small-caps{font-variant:normal}.statement.definition{background:var(--wash)}.statement.example,.statement.examples,.statement.remark,.statement.remarks{border:0;padding:4px 0 0}.statement.example .statement-heading,.statement.examples .statement-heading,.statement.remark .statement-heading,.statement.remarks .statement-heading{color:var(--accent-dark)}.statement[data-targeted]{background:var(--gold-wash);box-shadow:none;border-radius:0}article.mathematics .statement[data-targeted]{border-left-color:var(--gold)}.semantic-anchor{scroll-margin-top:65px}.permalink{font-family:var(--serif);font-size:17px;text-decoration:none;color:var(--muted);font-weight:400;position:absolute;right:1px;top:-3px}.permalink:hover{color:var(--accent)}
.proof-controls{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:18px 0 0;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}.proof-controls>span{flex-basis:100%;font-size:10px;letter-spacing:1.3px;text-transform:uppercase}.proof-controls button{min-height:44px;padding:9px 13px;border:1px solid var(--line-strong);border-radius:4px;background:var(--white);color:var(--accent-dark);line-height:1.5}.proof-controls button:hover:not(:disabled){background:var(--gold-wash);border-color:var(--gold)}.proof-controls button:disabled{background:var(--wash);border-color:var(--line);color:var(--muted);cursor:default}
.proof{border-left:1px solid var(--line);margin:5px 0 34px 3px;padding:1px 0 1px 22px;font-size:17px}.proof summary{font-style:italic;color:var(--muted);font-size:16px;cursor:pointer;margin:0 0 12px;list-style-position:inside}.proof:not([open]){padding-bottom:0}.proof:not([open]) summary{margin-bottom:0}.proof summary::marker{font-size:10px;color:var(--accent)}.proof>p:last-child{margin-bottom:0}.qed{float:right;color:var(--muted);margin-left:12px;font-size:17px}.ptmri7t-x-x-120{font-style:italic}.zptmcm7t-x-x-120{font-style:italic;font-weight:bold}.ptmr7t-x-x-120{font-family:inherit}.small-caps{font-variant:small-caps}.mathematics em{font-style:italic}.mathematics .note-ref{color:inherit;text-decoration-line:underline;text-decoration-style:dotted;text-decoration-color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}.mathematics .note-ref.cross-note{text-decoration-color:var(--gold);text-decoration-style:solid}.mathematics .note-ref:hover,.mathematics .note-ref:focus-visible{color:var(--accent-dark);text-decoration-color:var(--accent-dark);background:var(--wash)}.links-subtle .mathematics .note-ref{text-decoration-color:transparent}.links-subtle .mathematics .note-ref:hover,.links-subtle .mathematics .note-ref:focus-visible{text-decoration-color:var(--accent)}.mathematics a{word-break:normal;overflow-wrap:normal}
math:not(mjx-assistive-mml math){font-size:1em}math[display="block"]:not(mjx-assistive-mml math){display:block;max-width:100%;overflow-x:auto;margin:1em 0;padding:8px 0}mjx-container{max-width:100%}mjx-container[display="true"]{overflow-x:auto;overflow-y:hidden;padding:8px 2px;margin:1.1em 0!important}mjx-container[jax="CHTML"]{font-size:103%!important}.mathematics table{border-collapse:collapse;max-width:100%}.mathematics td{padding:2px 6px}.mathematics dl{display:grid;grid-template-columns:max-content minmax(0,1fr);column-gap:14px;row-gap:8px;margin:12px 0}.mathematics dt{grid-column:1}.mathematics dd{grid-column:2;margin:0}.mathematics dd p{margin-bottom:7px}.mathematics ol,.mathematics ul{padding-left:27px}.mathematics li{padding-left:5px;margin-bottom:9px}
.page-footer{border-top:1px solid var(--line);margin-top:64px;padding:24px 0 42px;color:var(--muted);font-size:11px;line-height:1.9}.page-footer p{margin:0 0 7px}.page-footer p:first-child{color:var(--ink)}.page-footer a{text-decoration-color:var(--line-strong)}
.reference-preview{position:fixed;z-index:35;right:25px;bottom:24px;width:min(465px,calc(100vw - 32px));background:var(--white);border:1px solid var(--line-strong);border-top:3px solid var(--accent);border-radius:5px;box-shadow:0 10px 50px #14213926;padding:0 23px 17px;max-height:68vh;overflow-y:auto}.preview-top{font-size:9px;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;justify-content:space-between;padding-top:10px}.preview-top button{background:none;border:0;font-size:22px;line-height:1;padding:3px 0 3px 12px;color:var(--muted)}.reference-preview .statement{background:none;box-shadow:none;border:0;border-radius:0;padding:0;margin:14px 0 16px;font-family:var(--sans);font-size:15px;line-height:1.75}.reference-preview .statement-heading{font-size:12px;padding:0;margin-bottom:10px}.reference-preview .statement p{margin:0 0 9px}.reference-preview .statement .note-ref{color:inherit}.reference-preview #preview-follow{font-family:var(--sans);font-size:11px;font-weight:550;text-decoration:none;display:block;border-top:1px solid var(--line);padding-top:12px}.reference-preview #preview-follow span{float:right}.reference-preview .statement dl{display:grid;grid-template-columns:28px 1fr;gap:5px}.reference-preview dd{margin:0}
dialog{border:1px solid var(--line-strong);border-radius:9px;padding:26px;box-shadow:0 22px 90px #14213940;width:min(660px,calc(100vw - 28px));max-height:80vh;background:var(--white);color:var(--ink)}dialog::backdrop{background:#14213950;backdrop-filter:blur(3px)}.search-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.search-heading h2{font-family:var(--serif);font-weight:500;font-size:25px;margin:0}.search-heading button{background:none;border:0;font-size:26px;padding:0 4px;color:var(--muted)}dialog label{display:block;font-size:11px;color:var(--muted);margin-bottom:7px}#search-input{display:block;width:100%;padding:13px 12px;border:1px solid var(--line-strong);border-radius:4px;background:white;font-size:14px;color:var(--ink)}#search-status{font-size:11px;color:var(--muted);margin:15px 0 4px}#search-results{list-style:none;padding:0;margin:0;max-height:48vh;overflow-y:auto}#search-results li{border-bottom:1px solid var(--line)}#search-results a{padding:15px 3px;display:block;text-decoration:none}#search-results a:hover{background:var(--wash)}.search-book{font-size:9px;color:var(--muted);letter-spacing:.8px;text-transform:uppercase;display:block;margin-bottom:5px}.search-title{font-size:13px;font-weight:550;display:block;margin-bottom:5px}.search-excerpt{font-family:var(--sans);font-size:13px;line-height:1.6;color:var(--muted);display:block}.editorial-content{font-family:var(--sans);font-size:18px;line-height:1.9;max-width:790px;margin:50px auto;padding:0 22px}.editorial-content h1{font-weight:500;font-size:39px;line-height:1.2}.editorial-content h2{font-weight:500;font-size:26px;margin-top:40px}.editorial-content li{margin-bottom:17px}.editorial-content code{font-size:13px;overflow-wrap:anywhere}
@media(min-width:1550px){.layout{max-width:1330px;grid-template-columns:240px minmax(0,810px);column-gap:104px}.topbar{padding:0 max(6vw,calc((100vw - 1260px)/2))}.mathematics{font-size:19px}.proof{font-size:18px}}
@media(max-width:1000px){.layout{grid-template-columns:190px minmax(0,1fr);gap:38px;padding:43px 24px 0}.book-heading h1{font-size:46px}.mathematics{font-size:17px}.proof{font-size:16px}.sidebar{top:24px}.search-open{font-size:10px}.reading-tip{margin-top:29px}.topbar{padding:0 25px}.book-description{align-items:flex-start}.section-heading{font-size:28px}article.mathematics .statement:is(.definition,.theorem,.proposition,.lemma,.corollary,.conjecture){padding:18px 20px}}
@media(max-width:700px){.reader-options{display:block;flex:1 0 100%;margin-top:0}.reader-options>label{min-height:32px}.proof-controls{margin-top:10px;padding-top:12px}html{scroll-padding-top:20px}.topbar{height:73px;padding:0 19px}.brand{font-size:16px;gap:10px}.monogram{width:32px;height:38px;font-size:14px}.brand-sub{font-size:8px;letter-spacing:1.5px}.edition{display:none}.topbar-right{font-size:11px}.layout{display:block;padding:24px 20px 0}.sidebar{position:static;padding:0;margin-bottom:30px;max-height:none;overflow:visible;display:flex;flex-wrap:wrap;align-items:center;gap:14px 19px;border-bottom:1px solid var(--line);padding-bottom:18px}.sidebar .nav-label,.sidebar .section-nav,.sidebar .reading-tip{display:none}.book-nav{display:flex;gap:19px;flex:1 0 100%}.book-nav a{font-size:11px}.book-nav a[aria-current]::before{width:4px;height:4px;margin-right:6px}.search-open{margin:0;max-width:100%;padding:10px 12px;font-size:11px}.search-open kbd{display:none}.eyebrow{font-size:9px;margin-bottom:16px}.book-heading h1{font-size:43px;letter-spacing:-1.4px;line-height:1.13;margin-bottom:16px}.author{font-size:16px;margin-bottom:25px}.book-description{font-size:11px;gap:7px;padding-top:16px}.book-description>span{font-size:9px}.edition-note{margin:20px 0 33px;padding:12px 13px}.edition-note p{font-size:10px}.chapter-heading{font-size:26px}.mathematics{font-size:17px;line-height:1.85}article.mathematics .statement:is(.definition,.theorem,.proposition,.lemma,.corollary,.conjecture){padding:16px}.statement-heading{font-size:11px;line-height:1.7}.section-heading{font-size:27px;padding-top:28px;margin-top:44px}.proof{padding-left:16px;font-size:16px;margin-bottom:27px}.reference-preview{right:12px;bottom:12px;width:calc(100vw - 24px);max-height:59vh;padding:0 18px 15px}.reference-preview .statement{font-size:14px}.page-footer{margin-top:45px;font-size:10px}.editorial-content{margin-top:32px;font-size:17px}.editorial-content h1{font-size:32px}}
@media(max-width:700px){body[data-document="algebra"] .sidebar .section-nav{display:block;flex-basis:100%;border-left:0;padding-left:0}body[data-document="algebra"] .sidebar .section-nav a{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.proof-controls,.topbar,.sidebar,.reading-progress,.edition-note,.reference-preview,dialog,.permalink,.skip-link{display:none!important}.layout{display:block;padding:0;max-width:none}.main{max-width:none}.book-heading h1{font-size:32pt}.author{font-size:14pt}.mathematics{font-size:11pt;line-height:1.5}.proof{font-size:10.5pt}.statement{break-inside:avoid}article.mathematics .statement{background:none;box-shadow:none;border-radius:0}article.mathematics .statement:is(.definition,.theorem,.proposition,.lemma,.corollary,.conjecture){padding:10pt 12pt;border-left:1px solid var(--line-strong)}.note-ref{color:inherit!important;text-decoration:none!important}.page-footer{font-size:9pt}.book-description{margin-bottom:24px}.statement-heading{font-size:10pt}.section-heading{font-size:18pt}.chapter-heading{font-size:20pt}body{background:white}.proof:not([open])>*{display:block}.proof summary{display:block}}

/* Full-note editions share the reader; only collection navigation is denser. */
.collection-edition .book-nav{gap:12px}.collection-edition .book-nav a{font-size:12px}.collection-edition .chapter-menu{margin-top:24px;padding-top:16px;border-top:1px solid var(--line)}.collection-edition .chapter-menu summary{font-size:11px;line-height:1.7;color:var(--accent-dark);cursor:pointer;min-height:32px}.collection-edition .chapter-menu nav{display:grid;gap:11px;margin-top:14px}.collection-edition .chapter-menu a{font-size:11px;line-height:1.7;color:var(--muted);text-decoration:none}.collection-edition .chapter-menu a[aria-current="page"]{color:var(--accent);font-weight:600}.collection-edition [data-return-link]{display:block;margin-top:16px;font-size:11px;line-height:1.7;text-decoration:none}.collection-edition .chapter-pagination{display:flex;justify-content:space-between;gap:24px;margin:38px 0 0;padding-top:18px;border-top:1px solid var(--line)}.collection-edition .chapter-pagination a{max-width:48%;font-size:12px;line-height:1.7;text-decoration:none}.collection-edition .chapter-pagination a[rel="next"]{margin-left:auto;text-align:right}
#preview-content[data-preview-status]{padding:16px 0;font-size:12px;line-height:1.7;color:var(--muted)}#search-more{min-height:44px;margin-top:14px;padding:9px 15px;border:1px solid var(--line-strong);border-radius:4px;background:var(--white);color:var(--accent-dark);font-size:12px}#search-more:hover{background:var(--wash)}
@media(max-width:700px){.collection-edition .book-nav{flex-wrap:wrap;gap:10px 18px}.collection-edition .book-nav a{max-width:100%;font-size:11px}.collection-edition .chapter-menu{flex:1 0 100%;margin:0;padding-top:12px}.collection-edition .chapter-menu summary{min-height:44px;display:list-item;padding:10px 0}.collection-edition .sidebar .chapter-menu .section-nav{display:grid;flex-basis:auto}.collection-edition .return-nav{flex:1 0 100%}.collection-edition [data-return-link]{margin-top:0}.collection-edition .chapter-pagination{gap:18px;margin-top:28px}.collection-edition .chapter-pagination a{font-size:11px}}
@media print{.collection-edition .chapter-pagination,.collection-edition .chapter-menu{display:none!important}}
.collection-introduction{font-family:var(--sans);font-size:19px;line-height:1.9;margin:28px 0 38px}.collection-books{display:grid;gap:22px;margin:36px 0 48px}.collection-books>a{display:block;text-decoration:none;border-left:1px solid var(--line-strong);padding:23px 26px;background:var(--wash);color:var(--body)}.collection-books h2{font-family:var(--serif);font-size:29px;font-weight:500;line-height:1.3;color:var(--ink);margin:0 0 12px}.collection-books p{font-size:13px;line-height:1.8;margin:0 0 16px}.collection-books span{font-size:11px;color:var(--accent-dark)}.collection-books>a:hover{background:var(--gold-wash);border-color:var(--gold)}.collection-contents{margin:35px 0 48px;padding:22px 25px;background:var(--wash);border-left:1px solid var(--line-strong)}.collection-contents h2{font-family:var(--serif);font-size:25px;font-weight:500;margin:0 0 18px}.collection-contents ol{list-style:none;margin:0;padding:0;display:grid;gap:12px}.collection-contents a{font-size:13px;line-height:1.8;text-decoration:none;color:var(--accent-dark)}.collection-edition .book-description{margin-bottom:34px}.collection-edition .part-heading{font-family:var(--sans);font-size:14px;line-height:1.8;letter-spacing:.6px;color:var(--accent);border-top:1px solid var(--line);padding-top:24px;margin:18px 0 36px}.collection-edition .subsection-heading{font-size:23px;font-weight:500;margin:34px 0 20px}.collection-edition .mathematics img{max-width:100%;height:auto}.collection-edition .mathematics table.equation{width:100%}.collection-edition .mathematics .equation td{max-width:0;overflow-x:auto}.collection-edition .mathematics .equation td.eq-no{max-width:none;width:65px;font-size:14px;white-space:nowrap}.collection-edition .mathematics .footnotes{font-size:15px;border-top:1px solid var(--line);padding-top:20px}
@media(max-width:700px){.collection-introduction{font-size:17px}.collection-books>a{padding:18px}.collection-books h2{font-size:25px}.collection-contents{padding:18px}.collection-contents a{font-size:12px}}
.collection-edition .footnote-mark{vertical-align:super;font-size:.75em;line-height:0}.collection-edition .footnotetext .footnote-mark{margin-right:.4em}

/* Use the sample palette's darker blue for small text on tinted panels. */
.statement.definition .statement-heading,.statement[data-targeted] .statement-heading{color:var(--accent-dark)}

/* Only overflowing visible equations gain a keyboard scrolling stop. */
/* Keep MathJax's already hidden reading copy from widening the visible page. */
mjx-container mjx-assistive-mml{width:1px!important;height:1px!important;overflow:hidden!important}
mjx-container.math-scroll-region:not([display="true"]){display:block;max-width:100%;overflow-x:auto;overflow-y:hidden;padding:3px 2px;margin:.35em 0}
.math-scroll-region:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:2px}
@media(forced-colors:active){.math-scroll-region:focus-visible{outline-color:Highlight}}

/* Formula references remain ordinary named links for keyboard and screen readers. */
.math-reference-access-link{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.math-reference-access-link:focus{position:static;display:inline-block;width:auto;height:auto;max-width:100%;min-height:44px;padding:10px 12px;margin:4px;overflow:visible;clip-path:none;white-space:normal;border:1px solid var(--accent-dark);border-radius:3px;background:var(--wash);color:var(--accent-dark);font-family:var(--sans);font-size:12px;line-height:1.7}
@media print{.math-reference-access-link{display:none!important}}

/* Source-backed diagram alternatives remain visible and keyboard operable. */
.diagram-description{font-family:var(--sans);font-style:normal;font-size:16px;line-height:1.7;border-left:3px solid var(--line-strong);padding:8px 14px;margin:12px 0 24px;background:var(--white);color:var(--body);overflow-wrap:anywhere}
.diagram-description>summary{font-size:16px;font-style:normal;font-weight:500;color:var(--accent-dark);cursor:pointer;min-height:28px;list-style-position:inside}
/* Keep native table semantics while allowing wide data to scroll in its existing wrapper. */
.mathematics div.tabular{max-width:100%;overflow-x:auto}
.mathematics table.tabular th{font-weight:inherit;padding:2px 6px}
.source-table-blue{color:#0000ff}.source-table-red{color:#b00000}
.table-color-key{caption-side:bottom;text-align:left;font-family:var(--sans);font-size:15px;font-style:normal;font-weight:400;line-height:1.7;padding:12px 0 4px;color:var(--body)}
.diagram-description[open]>summary{margin-bottom:12px}
.diagram-description li{margin-bottom:8px}
.diagram-description ul,.diagram-description ol{padding-left:24px}
.diagram-description p{margin:0 0 10px}
.diagram-description :last-child{margin-bottom:0}