.chapter-nav[data-astro-cid-fttocojm]{position:fixed;top:64px;left:0;bottom:0;width:260px;border-right:1px solid var(--border);background:var(--header-bg);backdrop-filter:blur(8px);overflow-y:auto;padding:32px 20px;z-index:1200}.chapter-nav-mobile[data-astro-cid-fttocojm]{display:none}.nav-sections[data-astro-cid-fttocojm]{display:flex;flex-direction:column;gap:32px}.nav-label[data-astro-cid-fttocojm]{font-family:var(--font-mono);font-size:11px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.15em;margin-bottom:12px;padding-left:12px}.chapter-list[data-astro-cid-fttocojm],.heading-list[data-astro-cid-fttocojm]{list-style:none;display:flex;flex-direction:column;gap:2px}.chapter-list[data-astro-cid-fttocojm] a[data-astro-cid-fttocojm],.heading-list[data-astro-cid-fttocojm] a[data-astro-cid-fttocojm]{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:4px;font-size:13px;color:var(--text-dim);transition:all .2s ease;line-height:1.4}.chapter-list[data-astro-cid-fttocojm] a[data-astro-cid-fttocojm]:hover,.heading-list[data-astro-cid-fttocojm] a[data-astro-cid-fttocojm]:hover{background:var(--surface);color:var(--text)}.chapter-list[data-astro-cid-fttocojm] li[data-astro-cid-fttocojm].active a[data-astro-cid-fttocojm]{background:var(--surface);color:var(--orange);border-left:2px solid var(--orange)}.chapter-num-small[data-astro-cid-fttocojm]{font-family:var(--font-mono);font-size:10px;color:var(--orange);min-width:28px}.chapter-title-small[data-astro-cid-fttocojm]{flex:1}.heading-list[data-astro-cid-fttocojm] a[data-astro-cid-fttocojm]{padding-left:16px;border-left:2px solid transparent}.heading-list[data-astro-cid-fttocojm] a[data-astro-cid-fttocojm]:hover{border-left-color:var(--green);color:var(--green)}.mobile-nav-toggle[data-astro-cid-fttocojm]{list-style:none;padding:14px 20px;font-family:var(--font-mono);font-size:13px;color:var(--text);cursor:pointer;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border)}.mobile-nav-toggle[data-astro-cid-fttocojm]::-webkit-details-marker{display:none}.mobile-nav-arrow[data-astro-cid-fttocojm]{color:var(--text-dim);transition:transform .2s ease}.chapter-nav-mobile[data-astro-cid-fttocojm][open] .mobile-nav-arrow[data-astro-cid-fttocojm]{transform:rotate(180deg)}.chapter-nav-mobile[data-astro-cid-fttocojm][open] .nav-sections[data-astro-cid-fttocojm]{padding:16px 20px 24px;max-height:60vh;overflow-y:auto}@media(max-width:1100px){.chapter-nav[data-astro-cid-fttocojm]{display:none}.chapter-nav-mobile[data-astro-cid-fttocojm]{display:block;position:sticky;top:64px;z-index:1200;background:var(--header-bg);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}}.cd-overlay{position:fixed;inset:0;display:block;width:100%;height:100%;padding:0;margin:0;border:none;background:var(--overlay-bg);font:inherit;color:inherit;cursor:pointer;opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:90}.cd-overlay-open{opacity:1;pointer-events:auto}.cd-drawer{position:fixed;top:0;right:0;bottom:0;width:min(760px,82vw);background:var(--surface);border-left:1px solid var(--border);box-shadow:-20px 0 60px var(--shadow);transform:translate(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);z-index:100;display:flex;flex-direction:column}.cd-drawer-open{transform:translate(0)}.cd-header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:1px solid var(--border);flex-shrink:0}.cd-title-bar{display:flex;align-items:baseline;gap:12px;min-width:0;flex:1}.cd-filename{font-family:var(--font-mono);font-size:13px;color:var(--text);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.cd-line-count{font-size:11px;color:var(--text-dim);font-family:var(--font-mono)}.cd-actions{display:flex;align-items:center;gap:8px}.cd-copy-btn,.cd-close-btn{border:1px solid var(--border);background:transparent;color:var(--text);font-family:var(--font-mono);font-size:12px;cursor:pointer;transition:all .2s;padding:6px 12px}.cd-copy-btn:hover:not(:disabled),.cd-close-btn:hover,.cd-github-btn:hover{border-color:var(--orange);color:var(--orange)}.cd-copy-btn:disabled{opacity:.4;cursor:not-allowed}.cd-github-btn{border:1px solid var(--border);background:transparent;color:var(--text-dim);font-family:var(--font-mono);font-size:12px;text-decoration:none;cursor:pointer;transition:all .2s;padding:6px 12px;display:inline-flex;align-items:center}.cd-close-btn{font-size:18px;line-height:1;padding:4px 10px}.cd-body{flex:1;overflow:auto;position:relative}.cd-loading{padding:48px;text-align:center;color:var(--text-dim);font-family:var(--font-mono);font-size:13px}.cd-error{padding:48px;text-align:center;color:var(--red);font-family:var(--font-mono);font-size:13px;display:flex;flex-direction:column;align-items:center;gap:16px}.cd-error-link{color:var(--orange);border-bottom:1px solid var(--orange);text-decoration:none;padding-bottom:2px}.cd-code-grid{font-family:var(--font-mono);font-size:12.5px;line-height:1.65;padding:16px 0}.cd-line-row{display:grid;grid-template-columns:52px 1fr;align-items:baseline;padding-right:24px}.cd-line-row:hover{background:var(--surface-2)}.cd-line-row.cd-line-anchor{background:var(--glow-orange);box-shadow:inset 3px 0 0 var(--orange)}.cd-line-row.cd-line-anchor:hover{background:var(--glow-orange)}.cd-line-num{text-align:right;padding-right:16px;color:var(--text-dim);user-select:none;font-size:11px;opacity:.6}.cd-line-code{font-family:inherit;white-space:pre;color:var(--text)}.tok-keyword{color:var(--tok-keyword)}.tok-literal{color:var(--tok-literal)}.tok-string{color:var(--tok-string)}.tok-comment{color:var(--tok-comment);font-style:italic}.tok-number{color:var(--tok-number)}.tok-decorator{color:var(--tok-decorator)}.tok-fn{color:var(--tok-fn)}.tok-ident{color:var(--text)}.tok-punct{color:var(--tok-punct)}.tok-md-heading{color:var(--tok-md-heading);font-weight:600}.tok-md-fence{color:var(--tok-md-fence)}.tok-md-code{color:var(--tok-md-code)}.tok-md-link{color:var(--tok-md-link)}@media(max-width:768px){.cd-drawer{width:100vw}.cd-line-row{grid-template-columns:40px 1fr;padding-right:16px}.cd-line-num{padding-right:8px;font-size:10px}}.chapter-page[data-astro-cid-i5jb2a7a]{padding:120px 0 80px;margin-left:260px;min-height:100vh}.chapter-main[data-astro-cid-i5jb2a7a]{max-width:min(900px,calc(100vw - 360px));margin:0 auto;padding:0 48px}.chapter-meta[data-astro-cid-i5jb2a7a]{border-bottom:1px solid var(--border);padding-bottom:48px;margin-bottom:48px}.chapter-num[data-astro-cid-i5jb2a7a]{font-family:var(--font-mono);font-size:14px;color:var(--orange);margin-bottom:16px}.chapter-meta[data-astro-cid-i5jb2a7a] h1[data-astro-cid-i5jb2a7a]{font-size:clamp(36px,6vw,72px);font-weight:900;letter-spacing:-.04em;line-height:1;margin-bottom:20px}.chapter-description[data-astro-cid-i5jb2a7a]{font-size:18px;color:var(--text-dim);max-width:720px;line-height:1.6;margin-bottom:24px}.concept-list[data-astro-cid-i5jb2a7a]{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-family:var(--font-mono);font-size:12px}.concept-label[data-astro-cid-i5jb2a7a]{color:var(--text-dim);text-transform:uppercase;letter-spacing:.1em}.concept-tag[data-astro-cid-i5jb2a7a]{border:1px solid var(--border);padding:4px 10px;color:var(--green)}.chapter-content[data-astro-cid-i5jb2a7a]{font-size:16px;line-height:1.8;color:var(--text)}.chapter-content[data-astro-cid-i5jb2a7a] h2,.chapter-content[data-astro-cid-i5jb2a7a] h3,.chapter-content[data-astro-cid-i5jb2a7a] h4{font-weight:800;letter-spacing:-.02em;margin-top:48px;margin-bottom:20px;color:var(--text)}.chapter-content[data-astro-cid-i5jb2a7a] h2{font-size:32px;border-top:1px solid var(--border);padding-top:32px}.chapter-content[data-astro-cid-i5jb2a7a] h3{font-size:24px}.chapter-content[data-astro-cid-i5jb2a7a] p{margin-bottom:20px}.chapter-content[data-astro-cid-i5jb2a7a] ul,.chapter-content[data-astro-cid-i5jb2a7a] ol{margin-bottom:20px;padding-left:24px}.chapter-content[data-astro-cid-i5jb2a7a] li{margin-bottom:8px}.chapter-content[data-astro-cid-i5jb2a7a] a{color:var(--orange);border-bottom:1px solid var(--orange)}.chapter-content[data-astro-cid-i5jb2a7a] pre{background:var(--surface);border:1px solid var(--border);padding:24px;overflow-x:auto;margin:24px 0}.chapter-content[data-astro-cid-i5jb2a7a] code{font-family:var(--font-mono);font-size:14px}.chapter-content[data-astro-cid-i5jb2a7a] :not(pre)>code{background:var(--surface);padding:2px 6px;border:1px solid var(--border);color:var(--green)}.chapter-content[data-astro-cid-i5jb2a7a] blockquote{border-left:4px solid var(--orange);padding-left:20px;margin:24px 0;color:var(--text-dim)}.chapter-content[data-astro-cid-i5jb2a7a] table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}.chapter-content[data-astro-cid-i5jb2a7a] th,.chapter-content[data-astro-cid-i5jb2a7a] td{border:1px solid var(--border);padding:12px;text-align:left}.chapter-content[data-astro-cid-i5jb2a7a] th{background:var(--surface);font-weight:700}.chapter-content[data-astro-cid-i5jb2a7a] .diagram{margin:32px 0;background:var(--surface);border:1px solid var(--border);box-shadow:0 20px 60px var(--shadow)}.chapter-content[data-astro-cid-i5jb2a7a] .diagram-wide{position:relative;left:50%;transform:translate(-50%);width:min(1100px,calc(100vw - 360px));margin:32px auto}.chapter-content[data-astro-cid-i5jb2a7a] .diagram-full{position:relative;left:50%;transform:translate(-50%);width:calc(100vw - 360px);margin:32px auto}@media(max-width:1100px){.chapter-page[data-astro-cid-i5jb2a7a]{margin-left:0}.chapter-main[data-astro-cid-i5jb2a7a]{max-width:min(900px,calc(100vw - 48px));padding:0 24px}.chapter-content[data-astro-cid-i5jb2a7a] .diagram-wide,.chapter-content[data-astro-cid-i5jb2a7a] .diagram-full{width:calc(100vw - 48px)}}