:root{--border: #1e2a3a;--muted: #8aa0b2;--reader-scale: 1;--accent: #ff4fa3;--accent-hover: #ff7fc1;--accent-fn: oklch(.68 .16 45);--accent-fs: oklch(.65 .16 196);--accent-on: var(--accent);--accent-os: oklch(.65 .16 268);--accent-on-soft: rgba(255, 79, 163, .22);--accent-fn-soft: rgba(190, 130, 40, .22);--accent-fs-soft: rgba(50, 140, 160, .22);--accent-os-soft: rgba(100, 80, 170, .22);color-scheme:dark;--n-bg: #050b12;--n-header: #091422;--n-sidebar: #0a1320;--n-panel: #0a1320;--n-panel-deep: #080f1a;--n-hover: #0d1a28;--n-elevated: #0b1a2a;--n-tree-open: #0b1220;--n-alpha: rgba(9, 20, 34, .88);--n-text: #d7e2ee;--n-text-dim: #c8d8e8}html[data-theme=light]{color-scheme:light;--border: #c2bbb0;--muted: #7a736a;--n-bg: #f4efe6;--n-header: #eae4da;--n-sidebar: #e6e0d6;--n-panel: #ece6dc;--n-panel-deep: #e7e1d7;--n-hover: #dad4c8;--n-elevated: #e3ddd2;--n-tree-open: #dad4c8;--n-alpha: rgba(228, 222, 212, .92);--n-text: #1a1410;--n-text-dim: #312b23}*{box-sizing:border-box}body{margin:0;background:var(--n-bg);color:var(--n-text);font-family:system-ui,sans-serif}.sitebar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;padding:10px 12px;background:var(--n-header);border-bottom:1px solid var(--border);container-type:inline-size;container-name:sitebar}.menu-btn{background:var(--n-elevated);color:var(--n-text);border:1px solid var(--border);padding:6px 10px;border-radius:8px;white-space:nowrap}.crumbs{display:flex;align-items:center;gap:8px;margin-left:6px;flex-wrap:nowrap;flex:1 1 0;min-width:0}.chap-controls{margin-left:auto;display:inline-flex;gap:6px;align-items:center}.theme-toggle-btn{width:2rem;height:2rem;border-radius:50%;padding:0;display:inline-flex;align-items:center;justify-content:center;font-size:1.1rem;line-height:1;border:1px solid var(--border);background:var(--n-elevated);color:var(--n-text);cursor:pointer;flex-shrink:0}.theme-toggle-btn:hover{opacity:.8}.theme-icon{display:inline-flex;align-items:center;justify-content:center;line-height:1;font-size:1rem}.crumb-ellipsis,.crumb-sep{opacity:.6}.crumb-btn{border:1px solid var(--border);background:var(--n-elevated);color:var(--n-text);padding:6px 10px;border-radius:8px;font:inherit;line-height:1;cursor:pointer;max-width:36ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex-shrink:0;transition:color .15s ease,border-color .15s ease}#crumbParent:hover,#crumbParent:focus-visible{color:var(--crumb-parent-hover-accent, var(--n-text));border-color:var(--crumb-parent-hover-accent, var(--border))}.crumb-btn[disabled]{opacity:.55;cursor:default;pointer-events:none}#crumbCurrent{flex:1 1 0;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@container sitebar (max-width: 720px){.crumb-btn{max-width:26ch}}.float-nav{display:none;position:fixed;top:calc(var(--sitebar-h, 48px) + .5rem);right:.5rem;z-index:25;flex-direction:column;gap:.3rem}.float-nav-btn{width:2.25rem;height:2.25rem;border-radius:6px;border:1px solid var(--border);background:var(--n-alpha);color:var(--n-text);font-size:1.25rem;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;line-height:1;font-family:system-ui,-apple-system,sans-serif}.float-nav-btn span{display:block;line-height:1;font-size:inherit}.float-nav-btn:disabled{opacity:.25;cursor:default}@container sitebar (max-width: 900px){.menu-label{display:none}.menu-btn{min-height:2.25rem}}@container sitebar (max-width: 680px){.chap-controls{display:none}}@media(max-width:680px){.float-nav{display:flex}}@container sitebar (max-width: 480px){.crumb-btn{font-size:0;width:2rem;height:2rem;min-width:2rem;max-width:2rem;padding:0;border-radius:8px;flex-shrink:0;display:flex;align-items:center;justify-content:center;overflow:visible}.crumb-btn:after{content:"↑";font-size:1rem;line-height:1;display:block;transform:translateY(-.05em)}}.app{display:grid;grid-template-columns:280px 1fr}.sidebar{position:relative;display:flex;flex-direction:column;padding:12px 12px 40px;border-right:1px solid var(--border);background:var(--n-sidebar)}.brand{display:block;font-weight:700;margin:8px 0 18px;text-decoration:none;color:inherit}.nav-section{margin:16px 0 6px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}main{padding:20px 20px 40px;font-size:calc(1rem * var(--reader-scale, 1))}.overlay{position:fixed;inset:0;background:#0006;z-index:15}.scroll-top-btn{position:fixed;right:1rem;bottom:4rem;z-index:40;padding:.5rem .75rem;border-radius:999px;border:1px solid var(--border);background:var(--n-elevated);color:var(--n-text);font:inherit;cursor:pointer;box-shadow:0 4px 12px #0000004d;opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .2s ease,transform .2s ease}.scroll-top-btn[data-visible=true]{opacity:1;pointer-events:auto;transform:translateY(0)}.sidebar-collapse{position:sticky;bottom:.5rem;margin-top:auto;display:flex;justify-content:flex-end;padding:0 .75rem;pointer-events:none;z-index:60}.sidebar:not(:has(details.tree-item[open])) .sidebar-collapse{display:none}.nav-collapse-btn{z-index:40;padding:.35rem .6rem;border-radius:999px;border:1px solid var(--border);background:var(--n-bg);color:var(--n-text);font:inherit;font-size:.75rem;line-height:1;cursor:pointer;box-shadow:0 4px 12px #0000004d;opacity:.85;pointer-events:auto;transform:translateY(4px);transition:opacity .2s ease,transform .2s ease,box-shadow .2s ease}.nav-collapse-btn:hover{opacity:1;transform:translateY(0);box-shadow:0 6px 18px #0006}@media(min-width:901px){.sidebar-collapse{bottom:1.25rem}}.sidebar-find{position:sticky;top:.25rem;z-index:50;display:flex;justify-content:flex-end;pointer-events:none;padding-right:.25rem}.nav-find-btn{pointer-events:none;padding:.35rem .6rem;border-radius:999px;border:1px solid var(--border);background:var(--n-bg);color:var(--n-text);font:inherit;font-size:.75rem;line-height:1;cursor:pointer;box-shadow:0 4px 12px #0000004d;opacity:0;transform:translateY(4px);transition:opacity .2s ease,transform .2s ease,box-shadow .2s ease}.nav-find-btn[data-visible=true]{opacity:.9;pointer-events:auto;transform:translateY(0)}.nav-find-btn[data-visible=true]:hover{opacity:1;box-shadow:0 6px 18px #0006}@media(max-width:900px){.app{grid-template-columns:1fr}.sidebar{position:fixed;inset:48px auto 0 0;width:78%;max-width:360px;transform:translate(-100%);transition:transform .2s ease;z-index:30}.sidebar[data-open=true]{transform:translate(0)}.overlay{top:var(--sitebar-h, 48px);left:min(78vw,360px);right:0;bottom:0}}.tree{list-style:none;margin:0;padding:0}.tree li{margin:4px 0}.tree a.nav-link{display:block;padding:8px 10px;border-radius:6px;text-decoration:none;color:inherit}.tree .tree-item>summary{display:flex;align-items:center;gap:6px;padding:6px;margin:0;list-style:none;cursor:pointer;border-radius:6px}.tree .tree-item>summary::-webkit-details-marker{display:none}.tree .tree-item[open]>summary{background:var(--n-tree-open);outline:1px solid var(--border)}.tree .caret:before{content:"▸";display:inline-block;transform:translateY(-1px)}.tree .tree-item[open]>summary>.caret:before{content:"▾"}.tree .tree-children{list-style:none;margin:6px 0 0;padding-left:14px;border-left:1px dashed var(--border)}.tree [aria-current=page]{background:var(--n-tree-open);outline:1px solid var(--border)}.pdf-embed object{width:100%;height:clamp(420px,70vh,900px);border:1px solid var(--border);border-radius:8px}.pdf-embed figcaption{color:var(--muted);font-size:.9rem;margin-top:6px}html,body{height:100%;overflow:hidden}.app{position:fixed;top:var(--sitebar-h, 48px);left:0;right:0;bottom:0;overflow:hidden}.sidebar,main{overflow:auto;-webkit-overflow-scrolling:touch;scrollbar-gutter:stable}.sidebar{overscroll-behavior:contain}main{overscroll-behavior-y:contain}.app[data-nav=closed]{grid-template-columns:0 1fr}.app[data-nav=closed] .sidebar{visibility:hidden}main{padding-bottom:calc(40px + 33vh)}a,a:visited{color:var(--accent)}a:hover,a:focus{color:var(--accent-hover)}.sidebar .tree li[class^=tree-depth-]>details.tree-item[open]>summary{position:sticky;background:var(--n-tree-open);outline:1px solid var(--border);z-index:1}.sidebar li.tree-depth-0>details.tree-item[open]>summary{top:0}.sidebar li.tree-depth-1>details.tree-item[open]>summary{top:2.4rem}.sidebar li.tree-depth-2>details.tree-item[open]>summary{top:4.8rem}.sidebar li.tree-depth-3>details.tree-item[open]>summary{top:7.2rem}.sidebar .tree li[class^=tree-depth-]>details.tree-item[open]>ul.tree-children{position:relative;z-index:0}.sidebar li.tree-depth-0>details.tree-item[open]>summary.is-sticky-active{z-index:40}.sidebar li.tree-depth-1>details.tree-item[open]>summary.is-sticky-active{z-index:30}.sidebar li.tree-depth-2>details.tree-item[open]>summary.is-sticky-active{z-index:20}.sidebar li.tree-depth-3>details.tree-item[open]>summary.is-sticky-active{z-index:10}.tree .tree-item>summary{position:relative;overflow:hidden}#reader-scale-ctrl{position:fixed;right:1rem;bottom:1.5rem;z-index:39;display:flex;gap:.15rem;align-items:center}.rs-btn{height:1.75rem;min-width:1.75rem;padding:0 .3rem;border-radius:6px;border:1px solid var(--border);background:var(--n-alpha);color:var(--n-text);font-size:.8rem;font-family:system-ui,-apple-system,sans-serif;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1;transition:opacity .15s;white-space:nowrap}.rs-btn:hover{opacity:.75}.rs-btn:disabled{opacity:.25;cursor:default}#rsReset{min-width:2.75rem;font-size:.7rem}html[data-page-type=general] #prevChap,html[data-page-type=general] #nextChap,html[data-page-type=general] #floatNav,html[data-page-type=general] #crumbParent,html[data-page-type=general] #crumbSep,html[data-page-type=general] #crumbEllipsis{display:none}html[data-page-type=general] #chapControls{display:inline-flex}@media(max-width:900px){body:has(#sidebar[data-open=true]) #reader-scale-ctrl{display:none}}.reader-prose{font-size:1em}.tree-item[data-astro-cid-efhkx3jj][data-tree-area]>.tree-summary[data-astro-cid-efhkx3jj]:hover,.tree-item[data-astro-cid-efhkx3jj][data-tree-area]>.tree-summary[data-astro-cid-efhkx3jj]:has(.nav-branch-link[aria-current=page]),.tree-item[data-astro-cid-efhkx3jj][data-tree-area]>.tree-summary[data-astro-cid-efhkx3jj]:has(.nav-branch-link:focus-visible){border-color:var(--tree-accent);box-shadow:inset 0 0 0 1px var(--tree-accent)}.nav-leaf-link[data-astro-cid-efhkx3jj][data-tree-area]:hover,.nav-leaf-link[data-astro-cid-efhkx3jj][data-tree-area][aria-current=page],.nav-leaf-link[data-astro-cid-efhkx3jj][data-tree-area]:focus-visible{color:var(--tree-accent)}#gallery-lightbox{position:fixed;inset:0;z-index:9000;display:flex;align-items:center;justify-content:center}#gallery-lightbox[hidden]{display:none}#gallery-lb-backdrop{position:absolute;inset:0;background:#000000e0;cursor:pointer}#gallery-lb-figure{position:relative;z-index:1;margin:0;max-width:min(90vw,1200px);max-height:90vh;display:flex;flex-direction:column;align-items:center}#gallery-lb-img{display:block;max-width:100%;max-height:80vh;object-fit:contain}#gallery-lb-caption{color:#ffffffd9;font-size:.8rem;margin-top:.5rem;text-align:center;max-width:60ch}#gallery-lb-close,#gallery-lb-prev,#gallery-lb-next{padding:0;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1;font-family:system-ui,-apple-system,sans-serif}#gallery-lb-close span,#gallery-lb-prev span,#gallery-lb-next span{display:block;line-height:1;font-size:inherit;transform:translateY(-.05em)}#gallery-lb-close{position:fixed;top:1rem;right:1rem;z-index:2;width:2.25rem;height:2.25rem;border-radius:50%;border:1px solid rgba(255,255,255,.4)!important;background:#0009;color:#fff;font-size:1.4rem}#gallery-lb-prev,#gallery-lb-next{position:fixed;top:50%;transform:translateY(-50%);z-index:2;width:2.5rem;height:4rem;border-radius:.25rem;border:1px solid rgba(255,255,255,.3)!important;background:#0000008c;color:#fff;font-size:2rem}#gallery-lb-prev{left:.5rem}#gallery-lb-next{right:.5rem}#gallery-lb-prev:disabled,#gallery-lb-next:disabled{opacity:.25;cursor:default}