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2.5rem}.sidebar-overlay{position:fixed;inset:0;background:#00000059;opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:15}body.sidebar-open .sidebar-overlay{opacity:1;pointer-events:auto}.back-to-top{position:fixed;right:calc(1.2rem + env(safe-area-inset-right,0px));bottom:calc(1.2rem + env(safe-area-inset-bottom,0px));width:2.6rem;height:2.6rem;border:1px solid var(--border);border-radius:999px;background:var(--panel);color:var(--text-secondary);display:inline-flex;align-items:center;justify-content:center;box-shadow:0 6px 20px #00000029;cursor:pointer;opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .24s ease,transform .24s ease,color .2s ease,background .2s ease,border-color .2s ease;z-index:12}.back-to-top svg{width:1.1rem;height:1.1rem}.back-to-top.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}.back-to-top:hover,.back-to-top:focus-visible{color:#fff;background:var(--accent);border-color:var(--accent);outline:none}@media(max-width:1100px){.content-body--with-sidebar{grid-template-columns:minmax(0,1fr) 260px}}@media(max-width:960px){html,body,.topbar{overscroll-behavior-y:auto}.page-blog-post{overflow:auto}.page-blog-post .main-column{height:auto;min-height:100vh;overflow-y:visible;overscroll-behavior-y:auto;-webkit-overflow-scrolling:touch;padding-top:1.25rem}.site-shell,body.sidebar-collapsed .site-shell{grid-template-columns:minmax(0,1fr)}.content-pane{min-height:100vh}.content-body{display:block;flex:none}.primary-sidebar{position:fixed;top:0;left:0;bottom:0;transform:translate(-100%);width:280px;overflow-y:auto;padding-bottom:2.5rem;transition:transform .35s ease;box-shadow:none}.page-blog-post .primary-sidebar{position:fixed}body.sidebar-open .primary-sidebar{transform:translate(0)}.main-column{padding:1.25rem 2rem 0;min-height:0}.topbar{position:static;display:grid;grid-template-columns:auto 1fr auto;align-items:center;padding:.75rem 1.2rem .75rem calc(1.2rem + var(--content-left-gap));margin:0 0 1.2rem;gap:.5rem;border:1px solid var(--border);border-radius:8px}.page-blog-post .topbar{margin-top:.5rem}.topbar-left{justify-content:flex-start;gap:.6rem}.topbar-actions{justify-content:flex-end}.topbar-menu{display:inline-flex}.desktop-sidebar-toggle{display:none}.topbar-breadcrumb__link,.topbar-breadcrumb__current,.topbar-breadcrumb__separator{font-size:.9rem}.topbar-breadcrumb__current{max-width:min(40vw,18rem)}.search-box{display:none}.search-icon{display:inline-flex}.site-secondary{position:static;top:auto;height:auto;max-height:none;overflow:visible;margin-top:1.3rem;padding:0}}@media(max-width:780px){.main-column,.page-blog-list .main-column{padding:1rem 1rem 0;flex:1;display:flex;flex-direction:column}.page-blog-post .main-column{padding-top:1rem}.topbar{padding:.75rem .8rem .75rem calc(.8rem + var(--content-left-gap))}.footer{padding:0 .8rem calc(1rem + env(safe-area-inset-bottom,0px));margin-top:auto}.back-to-top{right:calc(.9rem + env(safe-area-inset-right,0px));bottom:calc(.9rem + env(safe-area-inset-bottom,0px));width:2.45rem;height:2.45rem}}@media(max-width:560px){.main-column,.page-blog-list .main-column{padding:1rem 1rem 0}.topbar{padding:.6rem .8rem .6rem calc(.8rem + var(--content-left-gap));margin:1rem 1rem 0}}.footnote-ref{font-size:.75em;vertical-align:super;line-height:0;margin:0 .1em}.footnote-ref a{display:inline-flex;align-items:center;justify-content:center;min-width:1.2em;height:1.2em;padding:0 .3em;border-radius:3px;background:var(--accent-muted, rgba(59, 130, 246, .1));color:var(--accent);text-decoration:none;font-weight:600;font-family:-apple-system,BlinkMacSystemFont,sans-serif;transition:background .15s}.footnote-ref a:hover{background:var(--accent);color:#fff}.footnotes{margin-top:3rem;padding-top:0;border-top:none}.footnotes h2{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.footnotes:before{content:"";display:block;width:4rem;height:1px;background:var(--border);margin-bottom:1rem}.footnotes ol{padding-left:0;list-style:none;margin:0}.footnotes li{padding-left:0;margin-bottom:.6rem;color:var(--text-secondary);font-size:.85rem;line-height:1.65;display:flex;align-items:baseline;gap:.5rem}.footnotes li:before{content:counter(list-item);counter-increment:list-item;flex-shrink:0;font-size:.75rem;font-weight:600;color:var(--accent);min-width:1.2em;height:1.2em;display:inline-flex;align-items:center;justify-content:center;border-radius:3px;background:var(--accent-muted, rgba(59, 130, 246, .1))}.footnotes li::marker{content:none}.footnotes a[data-footnote-backref]{margin-left:.15rem;font-size:0;text-decoration:none;color:var(--muted);line-height:1}.footnotes a[data-footnote-backref]:after{content:"↩";font-size:.7rem}.footnotes a[data-footnote-backref]:hover{color:var(--accent)}[data-theme=dark] .astro-code-themes{background-color:var(--shiki-dark-bg)!important;color:var(--shiki-dark)!important}[data-theme=dark] .astro-code-themes span[style]{color:var(--shiki-dark)!important}.mermaid-figure{margin:1.8rem 0;padding:1rem;overflow-x:auto;position:relative;border:none;border-radius:8px;background:var(--panel)}.mermaid-figure .mermaid{min-width:100%;margin:0;text-align:center}.mermaid-figure svg{display:block;max-width:100%;height:auto;margin:0 auto}.mermaid-figure[data-mermaid-error=true] .mermaid{color:var(--text-secondary);text-align:left;white-space:pre-wrap}