.book-overview-head{max-width:none}
.book-toc-panel{position:relative;isolation:isolate;margin-top:28px;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:var(--panel);box-shadow:var(--shadow)}
.book-toc-panel:before{content:'';position:absolute;inset:0;z-index:-2;background-image:linear-gradient(90deg,color-mix(in srgb,var(--panel) 97%,transparent),color-mix(in srgb,var(--panel) 91%,transparent)),var(--book-cover);background-position:right center;background-repeat:no-repeat;background-size:auto 100%;opacity:.16}
.book-toc-header{display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--panel2) 94%,transparent)}
.book-toc-header span{color:var(--gold);font-size:1.1rem}
.book-toc-header h2{margin:0;font:650 1.22rem/1.2 Signika,Manrope,sans-serif}
.book-toc-columns{columns:3 300px;column-gap:0;padding:10px 0}
.book-toc-entry{break-inside:avoid;display:block}
.book-toc-entry.depth-0{padding:5px 14px 12px}
.book-toc-entry.depth-0+.book-toc-entry.depth-0{border-top:1px solid color-mix(in srgb,var(--line) 72%,transparent)}
.book-toc-link{display:block;padding:5px 9px;border-radius:5px;color:var(--muted);font:400 .9rem/1.35 Roboto,Arial,sans-serif;transition:.16s}
.book-toc-link.chapter{padding-block:8px;color:var(--text);font:650 1rem/1.3 Signika,Manrope,sans-serif}
.book-toc-link:hover{background:var(--panel2);color:var(--gold)}
.book-toc-entry.depth-2>.book-toc-link,.book-toc-entry.depth-3>.book-toc-link{padding-left:22px;font-size:.84rem}
.book-toc-entry.depth-2>.book-toc-link:before,.book-toc-entry.depth-3>.book-toc-link:before{content:'—';margin-right:7px;color:var(--line)}

.book-reader-page>.container{width:min(calc(100% - 32px),1240px)}
.book-reader-shell{display:grid;grid-template-columns:300px minmax(0,1fr);align-items:start;gap:28px}
.book-reader-sidebar{position:sticky;top:92px;max-height:calc(100vh - 112px);overflow:hidden;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
.book-reader-adjacent{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:44px;border-bottom:1px solid var(--line);background:var(--panel2)}
.book-reader-adjacent>a{display:flex;align-items:center;justify-content:center;gap:5px;min-height:44px;padding:0 9px;color:var(--muted);font-size:.75rem;font-weight:800}
.book-reader-adjacent>a:last-child{justify-self:stretch}
.book-reader-adjacent>a:hover{color:var(--gold);background:color-mix(in srgb,var(--gold) 7%,transparent)}
.book-reader-nav{max-height:calc(100vh - 158px);overflow:auto;padding:8px}
.book-reader-nav-entry{min-width:0}
.book-reader-nav-link{display:block;padding:7px 9px;border-radius:5px;color:var(--muted);font:400 .82rem/1.32 Roboto,Arial,sans-serif;overflow-wrap:anywhere}
.book-reader-nav-link:hover,.book-reader-nav-link.anchor-active{background:var(--panel2);color:var(--gold)}
.book-reader-nav-link.chapter{margin-top:2px;color:var(--text);font-family:Signika,Manrope,sans-serif;font-weight:650}
.book-reader-nav-link.chapter.active{background:color-mix(in srgb,var(--gold) 12%,var(--panel2));color:var(--gold)}
.book-reader-nav-link.depth-1{padding-left:18px}
.book-reader-nav-link.depth-2{padding-left:29px;font-size:.78rem}
.book-reader-nav-link.depth-3{padding-left:40px;font-size:.75rem}

.book-reader-main{min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--panel) 97%,#11141a);box-shadow:var(--shadow);font-family:Roboto,Arial,sans-serif;font-size:1rem;line-height:1.72}
.book-reader-title{padding:25px 30px 22px;border-bottom:1px solid var(--line);background:linear-gradient(135deg,color-mix(in srgb,var(--panel2) 96%,var(--gold)),var(--panel))}
.book-reader-title>span{display:block;color:var(--gold);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.book-reader-title h1{margin:6px 0 0;font:650 clamp(2rem,4vw,3.25rem)/1.08 Signika,Manrope,sans-serif;text-transform:none;letter-spacing:-.02em}
.book-reader-mobile-toc{display:none}
.book-content-block{position:relative;margin:0 30px;padding:28px 0;scroll-margin-top:92px;border-bottom:1px solid var(--line)}
.book-content-block:last-of-type{border-bottom:0}
.book-content-block:target,.book-content-block.anchor-active{margin-inline:20px;padding-inline:10px;border-radius:8px;background:color-mix(in srgb,var(--gold) 7%,transparent);box-shadow:inset 3px 0 0 var(--gold)}
.book-content-heading{display:flex;align-items:center;gap:9px;margin:0 0 14px}
.book-reader-main.article .book-content-heading h2{margin:0;font:650 1.75rem/1.2 Signika,Manrope,sans-serif;text-transform:none}
.book-content-heading h2 a{color:var(--text);text-decoration:none}
.book-content-heading h2 a:hover{color:var(--gold)}
.book-anchor-link{opacity:0;color:var(--muted)!important;font-weight:800;text-decoration:none!important;transition:.16s}
.book-content-heading:hover .book-anchor-link,.book-anchor-link:focus{opacity:1;color:var(--gold)!important}
.book-reader-main.article h3,.book-reader-main.article h4{font-family:Signika,Manrope,sans-serif;text-transform:none}
.book-reader-main.article h3{margin:26px 0 10px;font-size:1.35rem}
.book-reader-main.article h4{margin:22px 0 8px;font-size:1.08rem}
.book-reader-main.article p,.book-reader-main.article li{line-height:1.72}
.book-reader-main.article a.content-ref{color:var(--gold);font-weight:700;text-decoration-color:color-mix(in srgb,var(--gold) 55%,transparent)}
.book-reader-main.article figure{margin:24px 0}
.book-reader-main.article figure img{display:block;max-height:660px;margin-inline:auto;object-fit:contain}
.book-reader-main.article figcaption{margin-top:8px;color:var(--muted);font-size:.78rem;line-height:1.5;text-align:center}
.book-reader-main.article table{display:table;width:100%;margin:22px 0;border:1px solid var(--line);border-radius:0;font-family:'Roboto Condensed',Roboto,Arial,sans-serif;font-size:.91rem}
.book-reader-main.article thead th{background:#4a2027;color:#fff4e8}
.book-reader-main.article th,.book-reader-main.article td{min-width:0;padding:9px 10px;border:1px solid var(--line);vertical-align:top}
.book-reader-main.article tbody tr:nth-child(odd){background:color-mix(in srgb,var(--panel2) 82%,transparent)}
.book-reader-main.article tbody tr:hover{background:color-mix(in srgb,var(--gold) 8%,var(--panel2))}
.book-reader-main.article blockquote,.book-reader-main.article aside,.book-reader-main.article .notable,.book-reader-main.article .narrative{margin:22px 0;padding:16px 18px;border:1px solid color-mix(in srgb,var(--gold) 44%,var(--line));border-left:4px solid var(--gold);border-radius:5px;background:color-mix(in srgb,var(--gold) 7%,var(--panel2))}
.book-reader-main.article .social-example{padding:15px 18px;border:1px solid var(--line);border-radius:6px;background:var(--panel2)}
.book-reader-main.article .dm-entry{color:var(--gold);font-weight:700}
.book-content-block.reference-block{padding-block:16px}
.book-reader-footer{margin-top:12px;border-top:1px solid var(--line)}
.book-reader-footer .book-reader-adjacent{border-bottom:0}

@media(max-width:1000px){
  .book-toc-columns{columns:2 280px}
  .book-reader-shell{grid-template-columns:260px minmax(0,1fr);gap:18px}
}

@media(max-width:800px){
  .book-reader-page>.container{width:min(calc(100% - 20px),1240px)}
  .book-reader-shell{display:block}
  .book-reader-sidebar{display:none}
  .book-reader-mobile-toc{display:block;margin:14px 16px 0;border:1px solid var(--line);border-radius:8px;background:var(--panel2)}
  .book-reader-mobile-toc summary{padding:12px 14px;color:var(--gold);cursor:pointer;font-weight:800}
  .book-reader-mobile-toc nav{max-height:50vh;overflow:auto;padding:0 8px 8px}
}

@media(max-width:620px){
  .book-overview-page>.container{width:calc(100% - 20px)}
  .book-toc-columns{columns:1}
  .book-toc-entry.depth-0{padding-inline:8px}
  .book-reader-title{padding:20px 18px 18px}
  .book-reader-title h1{font-size:clamp(1.8rem,9vw,2.65rem)}
  .book-content-block{margin-inline:18px;padding-block:22px}
  .book-content-block:target{margin-inline:10px;padding-inline:8px}
  .book-reader-main{font-size:1rem;line-height:1.68}
  .book-reader-main.article .book-content-heading h2{font-size:1.5rem}
  .book-reader-main.article table{display:block;overflow-x:auto;font-size:.88rem}
  .book-reader-main.article th,.book-reader-main.article td{min-width:90px;padding:8px}
  .book-reader-footer .book-reader-adjacent>a{font-size:.7rem}
}