:root{--bg-primary:#18181b;--bg-secondary:#27272a;--bg-tertiary:#3f3f46;--text-primary:#ffffff;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--heading-accent:#f1f5f9;--accent:#ea580c;--accent-hover:#f97316;--accent-secondary:#c2410c;--accent-secondary-hover:#ea580c;--border:#3f3f46;--border-subtle:#27272a;--code-bg:#09090b;--link:#ea580c;--link-hover:#f97316;--sidebar-width:280px;--sidebar-collapsed-width:56px;--sidebar-gap:12px;--content-max-width:1100px;--main-column-width:75ch;--sidenote-width:250px;--sidenote-gap:2rem;--header-height:60px;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--spacing-3xl:4rem;--font-sans:Georgia, "Times New Roman", Times, serif;--font-heading:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
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var(--border);display:flex;flex-direction:column;z-index:100;transition:transform var(--transition-normal),width var(--transition-normal);box-shadow:4px 0 24px rgba(0,0,0,.4);padding-right:0}.sidebar.is-collapsed{width:var(--sidebar-collapsed-width)}.sidebar.is-collapsed+.main{display:flex}.sidebar.is-collapsed+.main .content{width:100%}.sidebar.is-collapsed .sidebar-header{padding-left:0;padding-right:0}.sidebar::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");opacity:.04;pointer-events:none}.sidebar-header{display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg)var(--spacing-md);background:linear-gradient( 180deg,rgba(244,242,217,2%) 0%,transparent 100% );position:relative}.sidebar-title{display:flex;align-items:center;justify-content:center;text-decoration:none;position:relative;width:100%}.sidebar-logo{width:168px;height:auto;opacity:.85;transition:all var(--transition-normal);filter:drop-shadow(0 2px 4px rgba(0,0,0,.3))}.sidebar.is-collapsed .sidebar-logo{width:32px;opacity:.95;filter:none}.sidebar-title:hover .sidebar-logo{opacity:1;transform:scale(1.02);filter:drop-shadow(0 4px 8px rgba(0,0,0,.4))}.sidebar-toggle{display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;width:44px;height:36px;padding:0;border-radius:6px;transition:all var(--transition-fast);position:fixed;left:calc(var(--sidebar-width) - 54px);bottom:var(--spacing-lg);z-index:101;box-shadow:0 2px 8px rgba(0,0,0,.3)}.sidebar-toggle:hover{background:var(--bg-secondary);border-color:var(--accent);color:var(--accent)}.sidebar.is-collapsed .sidebar-toggle{left:calc(var(--sidebar-collapsed-width)/2);transform:translateX(-50%)}.sidebar-toggle .arrow-left{display:block}.sidebar-toggle .arrow-right{display:none}.sidebar.is-collapsed .sidebar-toggle .arrow-left{display:none}.sidebar.is-collapsed .sidebar-toggle .arrow-right{display:block}.sidebar.is-collapsed .sidebar-toggle svg{width:18px;height:18px}.sidebar-nav{flex:1;overflow-y:auto;padding:var(--spacing-lg)0}.sidebar.is-collapsed .sidebar-nav{display:none}.sidebar-collapsed-nav{display:none;flex-direction:column;align-items:center;gap:12px;padding:var(--spacing-md)0;overflow-y:auto}.sidebar.is-collapsed .sidebar-collapsed-nav{display:flex;flex:1}.collapsed-chapter-link{display:flex;align-items:center;justify-content:center;width:32px;height:32px;font-size:var(--font-size-sm);font-family:var(--font-mono);color:var(--text-secondary);text-decoration:none;border-radius:50%;border:1px solid var(--border);transition:all var(--transition-fast)}.collapsed-chapter-link:hover{border-color:var(--accent);color:var(--accent)}.collapsed-chapter-link.active{background:var(--accent);border-color:var(--accent);color:var(--text-secondary);font-weight:700}.chapter-list{list-style:none}.chapter-item{margin-bottom:var(--spacing-xs)}.chapter-item>a{display:flex;align-items:baseline;gap:var(--spacing-sm);padding:var(--spacing-sm)var(--spacing-lg);color:var(--text-secondary);text-decoration:none;transition:all var(--transition-normal);border-radius:0 6px 6px 0;margin-right:var(--spacing-sm)}.chapter-item>a:hover{color:var(--text-primary);background:rgba(196,163,90,8%);transform:translateX(4px)}.chapter-item.active>a{color:var(--accent);background:rgba(196,163,90,.12);border-right:3px solid var(--accent);box-shadow:inset -4px 0 12px rgba(196,163,90,.1)}.chapter-number{font-size:var(--font-size-sm);color:var(--text-muted);min-width:1.5em;font-family:var(--font-mono);font-weight:500}.chapter-title{font-weight:500}.section-list{list-style:none;padding-left:var(--spacing-xl);border-left:2px solid var(--border-subtle);margin-left:var(--spacing-lg)}.section-item a{display:block;padding:var(--spacing-xs)var(--spacing-md);font-size:var(--font-size-sm);color:var(--text-muted);text-decoration:none;transition:all var(--transition-fast);border-radius:4px}.section-item a:hover{color:var(--text-primary);background:rgba(196,163,90,6%);transform:translateX(2px)}.section-item.active a{color:var(--accent)}.section-number{font-family:var(--font-mono);font-size:.85em;color:var(--text-muted);margin-right:.5em;font-weight:500}.main{flex:1;margin-left:calc(var(--sidebar-width) + var(--sidebar-gap));min-width:0}.main-standard{margin-left:0;min-height:100vh}.sidebar.is-collapsed~.main{margin-left:calc(var(--sidebar-collapsed-width) + var(--sidebar-gap));margin-right:12px}.header{position:sticky;top:3px;display:flex;align-items:center;justify-content:space-between;padding:0 var(--spacing-xl);background:rgba(21,18,15,.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);z-index:50}.site-header{top:0;max-width:100%}.header-left{display:flex;align-items:center;gap:var(--spacing-md)}.menu-toggle{display:none;background:0 0;border:none;color:var(--text-secondary);cursor:pointer;padding:var(--spacing-xs);border-radius:6px;transition:all var(--transition-fast)}.menu-toggle:hover{background:var(--bg-tertiary);color:var(--text-primary)}.page-title{font-size:var(--font-size-lg);font-weight:600;color:var(--text-primary);letter-spacing:-.01em}.site-logo-link{display:inline-flex;align-items:center;text-decoration:none}.site-logo{margin-top:8px;display:block;width:72px;height:auto;opacity:.92;transition:opacity var(--transition-fast),transform var(--transition-fast)}.site-logo-link:hover .site-logo{opacity:1;transform:translateY(-1px)}.site-nav{display:flex;align-items:center;gap:var(--spacing-sm)}.site-nav-link{display:inline-flex;align-items:center;justify-content:center;min-width:72px;padding:.55rem .9rem;color:var(--text-secondary);text-decoration:none;border:1px solid transparent;border-radius:999px;transition:color var(--transition-fast),border-color var(--transition-fast),background var(--transition-fast)}.site-nav-link:hover{color:var(--text-primary);border-color:rgba(234,88,12,.4);background:rgba(234,88,12,8%)}.site-nav-link.active{color:var(--text-primary);border-color:rgba(234,88,12,.5);background:rgba(234,88,12,.12)}.header-right{display:flex;align-items:center;gap:var(--spacing-md)}.theme-toggle{background:0 0;border:none;color:var(--text-secondary);cursor:pointer;padding:var(--spacing-sm);border-radius:8px;transition:all var(--transition-fast)}.theme-toggle:hover{color:var(--accent);background:rgba(196,163,90,.1);transform:scale(1.05)}[data-theme=dark] .sun-icon{display:block}[data-theme=dark] .moon-icon{display:none}[data-theme=light] .sun-icon{display:none}[data-theme=light] .moon-icon{display:block}.content{max-width:var(--content-max-width);padding:var(--spacing-2xl)}.content-standard{max-width:100%;padding:0 clamp(1.25rem,3vw,2.5rem)var(--spacing-3xl)}.chapter-content{font-family:var(--font-serif);font-size:var(--font-size-base);max-width:var(--main-column-width);position:relative;line-height:1.7}.blog-index,.post-page{max-width:800px;margin:0 auto}.blog-index{padding-top:clamp(2.5rem,6vw,5rem)}.blog-index-header,.post-header{padding-bottom:var(--spacing-xl);margin-bottom:var(--spacing-2xl);border-bottom:1px solid var(--border)}.blog-eyebrow,.post-back-link,.post-meta{font-family:var(--font-heading);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase}.blog-eyebrow,.post-meta{color:var(--text-muted)}.post-back-link{display:inline-block;margin-bottom:var(--spacing-lg);color:var(--accent);text-decoration:none}.post-back-link:hover{color:var(--accent-hover)}.blog-index-title,.post-title{font-family:var(--font-heading);font-size:clamp(2.25rem,5vw,3.5rem);line-height:1.05;letter-spacing:-.03em;color:var(--text-primary);margin-top:var(--spacing-sm)}.blog-index-description,.post-description{margin-top:var(--spacing-md);max-width:42rem;color:var(--text-secondary);font-size:var(--font-size-lg)}.blog-index-intro{color:var(--text-secondary);margin-bottom:var(--spacing-2xl);max-width:44rem}.blog-index-intro p:last-child{margin-bottom:0}.post-list{display:grid;gap:var(--spacing-lg)}.post-card{padding:var(--spacing-xl);background:linear-gradient( 180deg,rgba(244,242,217,2%) 0%,rgba(39,39,42,.65) 100% );border:1px solid var(--border);border-radius:16px;transition:border-color var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast)}.post-card:hover{border-color:rgba(234,88,12,.4);transform:translateY(-2px);box-shadow:0 16px 32px rgba(0,0,0,.18)}.post-card-title{margin-top:var(--spacing-xs);font-family:var(--font-heading);font-size:clamp(1.5rem,3vw,2rem);letter-spacing:-.02em}.post-card-title a{color:var(--text-primary);text-decoration:none}.post-card-title a:hover{color:var(--accent-hover)}.post-card-description{margin-top:var(--spacing-sm);color:var(--text-secondary)}.post-card-link{display:inline-flex;margin-top:var(--spacing-lg);color:var(--accent);text-decoration:none;font-family:var(--font-heading);font-size:.95rem}.post-card-link:hover{color:var(--accent-hover)}.blog-empty-state{padding:var(--spacing-xl);border:1px dashed var(--border);border-radius:16px;color:var(--text-secondary);background:rgba(39,39,42,.35)}.post-page{padding-top:clamp(2.5rem,6vw,5rem)}.post-content{font-family:var(--font-serif);font-size:var(--font-size-base);line-height:1.8}.post-content h2{font-family:var(--font-heading);color:var(--text-primary);letter-spacing:-.02em}.post-content h2{font-size:var(--font-size-2xl);margin-top:var(--spacing-3xl);margin-bottom:var(--spacing-md)}.post-content p,.post-content ul,.post-content ol,.post-content pre{margin-bottom:var(--spacing-xl)}.post-content p{color:var(--text-primary)}.post-content a{color:var(--link)}.post-content a:hover{color:var(--link-hover)}.post-content ul,.post-content ol{padding-left:var(--spacing-xl)}.post-content li{margin-bottom:var(--spacing-sm)}.post-content code{font-family:var(--font-mono);font-size:.9em;padding:.2em .4em;background:var(--code-bg);border-radius:4px;color:var(--accent)}.post-content pre{padding:var(--spacing-lg);background:var(--code-bg);border:1px solid var(--border);border-radius:8px;overflow-x:auto}.post-content pre code{padding:0;background:0 0;color:var(--text-primary)}.post-content img{max-width:100%;height:auto;border-radius:12px}.chapter-content{counter-reset:h2-section}.chapter-content h2{counter-increment:h2-section}.chapter-content h2::after{content:" " var(--chapter-num)"." counter(h2-section);color:var(--text-muted);font-family:var(--font-mono);font-size:.75em;font-weight:500;margin-left:.75em;opacity:.8}.chapter-content h1{font-size:var(--font-size-4xl);font-weight:700;margin-bottom:var(--spacing-xl);color:var(--text-primary);line-height:var(--line-height-tight);letter-spacing:-.02em;font-family:var(--font-heading)}.chapter-content h2{font-size:var(--font-size-3xl);font-weight:600;margin-top:var(--spacing-3xl);margin-bottom:var(--spacing-lg);color:var(--heading-accent);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--border);font-family:var(--font-heading);letter-spacing:-.01em;display:flex;justify-content:space-between;align-items:baseline}.chapter-content p{margin-bottom:var(--spacing-xl);color:var(--text-primary);text-align:justify;hyphens:auto}.chapter-content a{color:var(--link);text-decoration:none;transition:color var(--transition-fast)}.chapter-content a:hover{color:var(--link-hover);text-decoration:underline}.chapter-content strong{font-weight:600;color:var(--text-primary)}.chapter-content ul,.chapter-content ol{margin-bottom:var(--spacing-lg);padding-left:var(--spacing-xl)}.chapter-content li{margin-bottom:var(--spacing-sm)}.chapter-content li>ul,.chapter-content li>ol{margin-top:var(--spacing-sm);margin-bottom:0}.chapter-content code{font-family:var(--font-mono);font-size:.9em;padding:.2em .4em;background:var(--code-bg);border-radius:4px;color:var(--accent)}.chapter-content pre{margin:var(--spacing-lg)0;padding:var(--spacing-lg);background:var(--code-bg);border:1px solid var(--border);border-radius:8px;overflow-x:auto}.chapter-content pre code{padding:0;background:0 0;color:var(--text-primary);font-size:var(--font-size-sm);line-height:1.6}.chapter-content img{max-width:100%;height:auto;border-radius:8px;margin:var(--spacing-lg)0}.footer{padding:var(--spacing-xl)var(--spacing-2xl);max-width:var(--content-max-width);margin-top:var(--spacing-2xl)}.home-content{padding:var(--spacing-2xl)0}.hero{text-align:center;margin-bottom:var(--spacing-3xl);padding:var(--spacing-2xl)0;position:relative}.hero::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:120px;height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent)}.hero-title{font-size:var(--font-size-4xl);font-weight:700;margin-bottom:var(--spacing-lg);letter-spacing:-.02em;line-height:var(--line-height-tight);font-family:var(--font-heading)}.hero-subtitle{font-size:var(--font-size-xl);color:var(--text-secondary);font-family:var(--font-heading);font-style:italic;font-weight:400;letter-spacing:.02em}.parts-overview{margin-top:var(--spacing-2xl)}.parts-overview h2{font-size:var(--font-size-xl);margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--border);font-family:var(--font-heading);font-weight:600;letter-spacing:-.01em}.parts-list{display:flex;flex-direction:column;gap:var(--spacing-xl)}.part-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:all var(--transition-normal);position:relative}.part-card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient( 90deg,var(--accent),var(--accent-secondary),var(--accent) );opacity:0;transition:opacity var(--transition-normal)}.part-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 32px rgba(0,0,0,.3),0 2px 8px rgba(196,163,90,.1)}.part-card:hover::before{opacity:.6}.part-card-link{display:block;padding:var(--spacing-xl);text-decoration:none;border-bottom:1px solid var(--border);position:relative;background:linear-gradient( 180deg,rgba(244,242,217,2%) 0%,transparent 100% )}.part-card-number{display:block;font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.15em;margin-bottom:var(--spacing-sm);font-family:var(--font-mono);font-weight:600}.part-card-title{display:block;font-size:var(--font-size-2xl);font-weight:600;color:var(--text-primary);font-family:var(--font-heading);letter-spacing:-.01em;margin-bottom:var(--spacing-xs)}.part-card-description{display:block;margin-top:var(--spacing-sm);font-size:var(--font-size-base);color:var(--text-secondary);line-height:1.6}.part-card-chapters{list-style:none;padding:var(--spacing-lg)var(--spacing-xl);margin:0}.part-card-chapters li{margin-bottom:var(--spacing-xs)}.part-card-chapters a{display:flex;align-items:baseline;gap:var(--spacing-sm);padding:var(--spacing-xs)0;color:var(--text-secondary);text-decoration:none;transition:all var(--transition-fast);border-radius:4px}.part-card-chapters a:hover{color:var(--accent);transform:translateX(4px)}.part-card-chapters .chapter-num{color:var(--text-muted);font-family:var(--font-mono);font-size:.875rem;font-weight:500;min-width:1.5em}.chapters-overview{margin-top:var(--spacing-2xl)}.chapters-overview h2{font-size:var(--font-size-xl);margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-sm);border-bottom:1px solid var(--border)}.chapters-list{list-style:none;counter-reset:chapter}.chapters-list li{counter-increment:chapter}.chapter-link{display:block;padding:var(--spacing-md)var(--spacing-lg);margin-bottom:var(--spacing-sm);background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;text-decoration:none;transition:all var(--transition-fast)}.chapter-link:hover{border-color:var(--accent);transform:translateX(4px)}.chapter-link::before{content:counter(chapter)". ";color:var(--text-muted)}.chapter-link .chapter-title{color:var(--text-primary);font-weight:500;font-family:var(--font-heading)}.chapter-link .chapter-description{display:block;margin-top:var(--spacing-xs);font-size:var(--font-size-sm);color:var(--text-secondary)}.part-list{list-style:none}.part-item{margin-bottom:var(--spacing-md)}.part-link{display:flex;flex-direction:column;padding:var(--spacing-sm)var(--spacing-lg);color:var(--text-primary);text-decoration:none;transition:all var(--transition-normal);border-left:3px solid transparent;border-radius:0 6px 6px 0;margin-right:var(--spacing-sm)}.part-link:hover{background:rgba(196,163,90,8%);transform:translateX(4px)}.part-link.active{background:rgba(196,163,90,.12);border-left-color:var(--accent);box-shadow:inset -4px 0 12px rgba(196,163,90,.1)}.part-number{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.15em;font-family:var(--font-mono);font-weight:600;margin-bottom:var(--spacing-xs)}.part-link .part-title{font-weight:600;font-size:1rem;color:var(--text-primary);letter-spacing:-.01em;font-family:var(--font-heading)}.part-item .chapter-list{margin-top:var(--spacing-sm);padding-left:var(--spacing-md);border-left:2px solid var(--border-subtle);margin-left:var(--spacing-lg)}.part-item .chapter-item>a{padding:var(--spacing-xs)var(--spacing-md);font-size:var(--font-size-sm)}.part-item .chapter-number{font-size:var(--font-size-sm);min-width:1.2em}.part-item .section-list{padding-left:var(--spacing-md);margin-top:var(--spacing-xs)}.part-item .section-item a{padding:var(--spacing-xs)var(--spacing-sm);font-size:var(--font-size-sm);color:var(--text-muted)}.part-item .section-item a:hover{color:var(--accent)}.part-item .section-item.active a{color:var(--accent)}.part-content{font-size:var(--font-size-lg)}.part-header{margin-bottom:var(--spacing-2xl);padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--border)}.part-label{display:block;font-size:var(--font-size-sm);color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--spacing-xs)}.part-title{font-size:var(--font-size-3xl);font-weight:700;color:var(--text-primary);margin:0;font-family:var(--font-heading);letter-spacing:-.01em}.part-description{margin-top:var(--spacing-sm);color:var(--text-secondary);font-size:var(--font-size-lg);font-family:var(--font-serif)}.chapter-header{margin-bottom:var(--spacing-2xl);padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--border)}.chapter-label{display:block;font-size:var(--font-size-sm);color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--spacing-xs)}.chapter-header 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