.book-shell{--book-border:#262928;--bg:var(--color-bg);--bg2:var(--color-bg2);--bg3:var(--color-bg3);--panel:var(--color-panel);--fg:var(--color-fg);--mute:var(--color-mute);--amber:var(--color-amber);--ok:var(--color-ok);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;background:var(--bg);color:var(--fg);min-height:100vh}.book-sidebar,.book-toc,.book-search-results{scrollbar-width:thin;scrollbar-color:#393e3a transparent}.book-shell a,.book-shell button{transition:color .14s,background .14s,border-color .14s}.book-shell :focus-visible{outline:2px solid var(--amber);outline-offset:4px}.book-header{z-index:40;border-bottom:1px solid var(--book-border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#090909f5;position:sticky;top:0}.book-header-inner{align-items:center;gap:24px;max-width:1536px;height:72px;margin:auto;padding:0 32px;display:flex}.book-header-inner>a{align-items:center;min-height:44px;display:inline-flex}.book-header-divider{background:var(--book-border);width:1px;height:22px}.book-library-label{color:var(--mute);font:11px var(--font-mono);letter-spacing:.2em}.book-header-actions{align-items:center;gap:20px;margin-left:auto;display:flex}.book-search-button{border:1px solid var(--book-border);background:var(--bg3);color:#a6aaa7;cursor:pointer;border-radius:6px;align-items:center;gap:10px;width:248px;height:40px;padding:0 12px;font-size:14px;display:flex}.book-search-button>span:first-child{font-size:22px}.book-search-button kbd{font:10px var(--font-mono);color:var(--mute);margin-left:auto}.book-search-button:hover{border-color:#535953}.book-app-link{color:var(--amber);align-items:center;gap:12px;min-height:44px;font-size:13px;display:flex}.book-workspace{grid-template-columns:248px minmax(0,1fr);max-width:1536px;margin:auto;display:grid}.book-sidebar{border-right:1px solid var(--book-border);flex-direction:column;height:calc(100vh - 72px);padding:38px 24px 28px 32px;display:flex;position:sticky;top:72px;overflow-y:auto}.book-sidebar-intro{font:9px var(--font-mono);letter-spacing:.13em;color:var(--mute);margin-bottom:36px}.book-status-dot{background:var(--ok);vertical-align:middle;border-radius:50%;width:5px;height:5px;margin-right:8px;display:inline-block}.book-sidebar-intro p{font:14px/1.65 var(--font-sans);color:var(--fg);letter-spacing:0;max-width:160px;margin-top:12px}.book-nav-group{margin-bottom:28px}.book-nav-group>p{color:var(--fg);margin:0 0 8px 10px;font-size:12px;font-weight:600}.book-nav a{color:#a6aaa7;border-left:2px solid #0000;border-radius:4px;align-items:center;min-height:40px;margin:2px 0;padding:8px 10px;font-size:13px;line-height:1.5;display:flex}.book-nav a:hover{background:var(--bg3);color:var(--fg)}.book-nav a[aria-current=page]{border-color:var(--amber);color:var(--amber);background:#d9c9a80c}.book-sidebar-footer{border-top:1px solid var(--book-border);color:var(--mute);gap:8px;margin-top:auto;padding:28px 10px 0;font-size:12px;display:grid}.book-sidebar-footer a{color:var(--amber);min-height:30px}.book-reading-layout{grid-template-columns:minmax(0,1fr) 196px;gap:48px;min-width:0;padding:42px 32px 72px 56px;display:grid}.book-article{width:100%;min-width:0;max-width:720px;margin:0 auto;scroll-margin-top:100px}.book-breadcrumb{color:var(--mute);flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:48px;font-size:12px;line-height:1.6;display:flex}.book-breadcrumb a:hover{color:var(--amber)}.book-eyebrow{font:10px var(--font-mono);text-transform:uppercase;letter-spacing:.14em;color:var(--amber);align-items:center;gap:9px;margin-bottom:18px;display:flex}.book-eyebrow>span{background:var(--amber);width:16px;height:1px}.book-article h1{letter-spacing:-.045em;text-wrap:balance;font-size:clamp(32px,3.2vw,48px);font-weight:500;line-height:1.15}.book-description{color:#aaaead;max-width:640px;margin-top:20px;font-size:18px;line-height:1.65}.book-tools{border-bottom:1px solid var(--book-border);flex-wrap:wrap;gap:20px;margin-top:26px;padding-bottom:28px;display:flex}.book-tools button{color:var(--mute);font:11px var(--font-mono);cursor:pointer;min-height:44px}.book-tools button:hover{color:var(--amber)}.book-prose{color:#c0c4c1;font-size:16px;line-height:1.8}.book-section{padding-top:40px;scroll-margin-top:96px}.book-section h2{color:var(--fg);letter-spacing:-.025em;text-wrap:balance;margin-bottom:18px;font-size:24px;font-weight:500;line-height:1.35}.book-section h2 a{display:inline-block}.book-section h2 span{color:var(--amber);opacity:0;font-size:17px}.book-section h2 a:hover span,.book-section h2 a:focus-visible span{opacity:1}.book-section p+p{margin-top:18px}.book-section ul{margin:20px 0 0;padding-left:22px;list-style:outside}.book-section li{margin:10px 0;padding-left:4px}.book-section li::marker{color:var(--amber)}.book-callout{border:1px solid var(--book-border);border-left:2px solid var(--amber);background:var(--bg3);border-radius:0 6px 6px 0;margin-top:26px;padding:20px 24px;font-size:14px;line-height:1.75}.book-callout strong{color:var(--amber);font-size:14px;font-weight:500}.book-callout p{margin-top:8px}.book-code{border:1px solid var(--book-border);border-radius:6px;margin-top:24px;overflow:hidden}.book-code>div{background:var(--panel);font:10px var(--font-mono);color:var(--mute);border-bottom:1px solid var(--book-border);padding:8px 16px}.book-code pre{font:12px/1.8 var(--font-mono);color:var(--amber);background:var(--bg2);padding:18px;overflow-x:auto}.book-page-bottom{border-top:1px solid var(--book-border);color:var(--mute);flex-wrap:wrap;justify-content:space-between;gap:14px;margin-top:56px;padding-top:22px;font-size:11px;display:flex}.book-page-bottom a{color:var(--amber)}.book-pagination{grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;display:grid}.book-pagination a{border:1px solid var(--book-border);border-radius:6px;flex-direction:column;gap:8px;min-width:0;padding:18px;display:flex}.book-pagination a:hover{background:var(--bg3);border-color:#716a5b}.book-pagination span{color:var(--mute);font:11px var(--font-mono)}.book-pagination strong{color:var(--amber);font-size:14px;font-weight:400}.book-pagination .book-next{text-align:right}.book-toc{height:fit-content;max-height:calc(100vh - 144px);padding-top:2px;font-size:12px;position:sticky;top:112px;overflow-y:auto}.book-toc nav{border-left:1px solid var(--book-border);padding-left:18px}.book-toc nav p{color:var(--fg);margin-bottom:14px;font-weight:500}.book-toc nav a{color:var(--mute);padding:6px 0;line-height:1.5;display:block}.book-toc a:hover{color:var(--amber)}.book-toc-note{border-top:1px solid var(--book-border);margin-top:40px;padding:20px 0 0 18px}.book-toc-note span{color:var(--fg)}.book-toc-note p{color:var(--mute);margin:10px 0 16px;line-height:1.7}.book-toc-note a{color:var(--amber)}.book-footer{border-top:1px solid var(--book-border);max-width:1536px;font:10px var(--font-mono);color:var(--mute);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px;margin:auto;padding:26px 32px;display:flex}.book-footer>a:first-child{color:var(--fg);letter-spacing:.2em}.book-footer a:last-child{color:var(--amber)}.book-mobile-navigation,.book-inline-toc{display:none}.book-search-dialog{color:var(--fg);background:var(--bg2);border:1px solid #3b403d;border-radius:10px;width:min(640px,100vw - 32px);max-height:80vh;margin:10vh auto;padding:24px;box-shadow:0 24px 100px #0008}.book-search-dialog::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000b}.book-search-heading{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.book-search-heading label{font-size:16px;font-weight:500}.book-search-heading button{width:44px;height:44px;color:var(--mute);cursor:pointer;font-size:26px}.book-search-dialog input{background:var(--bg);border:1px solid #444b46;border-radius:5px;width:100%;padding:14px;font-size:16px}.book-search-count{color:var(--mute);font:11px var(--font-mono);margin:20px 0 12px}.book-search-results{max-height:48vh;overflow-y:auto}.book-search-results a{border-top:1px solid var(--book-border);border-radius:4px;flex-direction:column;gap:5px;padding:16px 36px 16px 12px;display:flex;position:relative}.book-search-results a:hover{background:var(--panel)}.book-search-category{color:var(--amber);font:9px var(--font-mono);text-transform:uppercase;letter-spacing:.14em}.book-search-results strong{font-size:16px;font-weight:500}.book-search-results a>span:not(.book-search-category):not(.book-search-arrow){color:var(--mute);font-size:13px;line-height:1.6}.book-search-arrow{color:var(--amber);position:absolute;top:22px;right:12px}.book-search-empty{color:var(--mute);padding:24px 12px;font-size:14px;line-height:1.8}@media (max-width:1279px){.book-reading-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-right:48px}.book-toc{display:none}.book-inline-toc{color:var(--mute);flex-direction:column;gap:10px;padding:22px 0 0;font-size:13px;display:flex}.book-inline-toc strong{color:var(--fg);font-weight:500}.book-inline-toc a:hover{color:var(--amber)}}@media (max-width:899px){.book-header-inner{gap:16px;height:64px;padding:0 20px}.book-library-label,.book-header-divider{display:none}.book-search-button{width:112px;height:44px}.book-search-button kbd{display:none}.book-header-actions{gap:16px}.book-workspace{display:block}.book-sidebar{display:none}.book-mobile-navigation{background:var(--bg2);border-bottom:1px solid var(--book-border);display:block}.book-mobile-navigation summary{min-height:52px;color:var(--mute);cursor:pointer;justify-content:space-between;align-items:center;padding:0 24px;font-size:13px;display:flex}.book-mobile-navigation summary::-webkit-details-marker{display:none}.book-mobile-navigation[open] summary{color:var(--amber)}.book-mobile-navigation .book-nav{border-top:1px solid var(--book-border);padding:16px 24px 4px}.book-mobile-navigation .book-nav a{min-height:44px}.book-reading-layout{padding:28px 24px 48px}.book-breadcrumb{margin-bottom:36px}.book-article h1{font-size:38px}.book-footer{padding:24px}}@media (max-width:479px){.book-header-inner{gap:8px;padding:0 16px}.book-app-link{display:none}.book-search-button{justify-content:center;width:44px;padding:0}.book-search-button>span:nth-child(2){clip-path:inset(50%);width:1px;height:1px;position:absolute;overflow:hidden}.book-reading-layout{padding:28px 20px 44px}.book-article h1{font-size:32px}.book-description{font-size:17px}.book-section{padding-top:34px}.book-section h2{font-size:22px}.book-callout{padding:18px}.book-pagination{gap:10px}.book-pagination a{padding:14px}.book-search-dialog{padding:16px}.book-footer span{order:2;width:100%}}@media (prefers-reduced-motion:reduce){.book-shell *,.book-shell :before,.book-shell :after{scroll-behavior:auto!important;transition:none!important}}@media print{.book-shell{color:#171717;background:#fff}.book-header,.book-sidebar,.book-toc,.book-mobile-navigation,.book-inline-toc,.book-tools,.book-pagination,.book-footer,.book-search-dialog,.skip-link{display:none!important}.book-workspace,.book-reading-layout{padding:0;display:block}.book-article{max-width:none}.book-breadcrumb,.book-eyebrow,.book-description,.book-prose,.book-section h2,.book-callout strong,.book-page-bottom,.book-page-bottom a{color:#171717}.book-breadcrumb{margin-bottom:20px}.book-article h1{font-size:32px}.book-section h2{break-after:avoid}.book-section h2 span{display:none}.book-callout{break-inside:avoid;background:#f6f6f6;border-color:#aaa}.book-code pre,.book-code>div{color:#171717;white-space:pre-wrap;background:#f6f6f6}.book-page-bottom{margin-top:30px}@page{margin:20mm}}