.site-chrome{position:sticky;top:0;z-index:1100;width:100%;background:var(--page-bg);border-bottom:1px solid var(--border)}.site-chrome .topbar{position:relative;top:auto;z-index:auto;border-bottom:0}.site-chrome-content{width:100%}.chrome-breadcrumbs{padding:.15rem max(var(--site-gutter),env(safe-area-inset-right)) .45rem max(var(--site-gutter),env(safe-area-inset-left));border-top:1px solid color-mix(in srgb,var(--border) 55%,transparent);background:color-mix(in srgb,var(--page-bg) 96%,transparent)}.chrome-breadcrumbs:empty{display:none}.chrome-breadcrumbs .breadcrumbs{margin:0}.site-chrome-handle{display:flex;align-items:center;justify-content:center;width:100%;height:18px;min-height:18px;padding:0;border:0;border-top:1px solid var(--border);border-radius:0;background:var(--panel-strong);color:var(--muted);cursor:pointer;line-height:1;font-size:.78rem;touch-action:pan-y}.site-chrome-handle:hover,.site-chrome-handle:focus-visible{background:var(--nav-active);color:var(--text)}.site-chrome.is-collapsed .site-chrome-content{display:none}.site-chrome.is-collapsed .site-chrome-handle{height:14px;min-height:14px;border-top:0}.site-chrome.is-collapsed .site-chrome-handle span{transform:rotate(180deg)}
.site-nav{position:relative;flex:0 0 auto}.menu-trigger{cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.45rem;min-height:44px;min-width:44px;padding:.55rem .75rem;border:1px solid var(--border);border-radius:.45rem;background:var(--panel-bg);color:var(--text);font:inherit;font-weight:800;touch-action:manipulation}.menu-trigger:hover,.menu-trigger:focus-visible,.menu-trigger[aria-expanded=true]{background:var(--nav-active)}.menu-trigger.compact .burger-label{display:none}.burger-icon{font-size:1.2rem}.menu-backdrop{position:fixed;z-index:2998;inset:0;background:rgb(0 0 0 / .52);backdrop-filter:blur(2px)}.menu-drawer{position:fixed;z-index:2999;top:0;right:0;bottom:0;display:flex;flex-direction:column;width:min(460px,92vw);max-width:100%;border-left:1px solid var(--border);background:var(--panel-strong);color:var(--text);box-shadow:-18px 0 50px var(--shadow);overflow:hidden;padding-top:env(safe-area-inset-top);padding-right:env(safe-area-inset-right);padding-bottom:env(safe-area-inset-bottom)}.menu-drawer[hidden],.menu-backdrop[hidden]{display:none!important}.menu-drawer-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:58px;padding:.6rem .75rem .6rem 1rem;border-bottom:1px solid var(--border);font-size:1.05rem}.menu-close{display:flex;align-items:center;justify-content:center;width:44px;height:44px;min-width:44px;padding:0;border:1px solid var(--border);border-radius:.4rem;background:var(--panel-bg);color:var(--text);font:inherit;font-size:1.7rem;line-height:1;cursor:pointer}.menu-drawer-scroll{min-height:0;flex:1 1 auto;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:.75rem 1rem 1rem}.menu-list{display:grid;gap:.2rem;list-style:none;padding:0;margin:0}.menu-list.depth-0{margin-bottom:.85rem}.menu-list.depth-1,.menu-list.depth-2,.menu-list.depth-3,.menu-list.depth-4,.menu-list.depth-5{margin:.1rem 0 .25rem .75rem;padding-left:.65rem;border-left:1px solid var(--border)}.menu-node{min-width:0}.menu-node>a,.menu-label,.menu-node>details>summary{display:flex;align-items:center;min-height:44px;padding:.48rem .6rem;border-radius:.35rem;text-decoration:none;touch-action:manipulation}.menu-node>a:hover,.menu-node>a[aria-current=page],.menu-node>details>summary:hover,.menu-node>details>summary.branch-active{background:var(--nav-active);color:var(--text)}.menu-node>details>summary{cursor:pointer;font-weight:800;list-style:none}.menu-node>details>summary::-webkit-details-marker{display:none}.menu-node>details>summary::before{content:'›';display:inline-block;width:1rem;flex:0 0 1rem;transition:transform .12s ease}.menu-node>details[open]>summary::before{transform:rotate(90deg)}.menu-overview{margin:.15rem 0 .2rem 1.25rem!important;min-height:36px!important;padding:.3rem .55rem!important;font-size:.92em;font-weight:600;opacity:.9}.menu-overview::before{content:'↳';margin-right:.45rem;opacity:.7}.menu-tools{display:grid;gap:.8rem;padding-top:.85rem;margin-top:.65rem;border-top:1px solid var(--border)}.menu-tools button,.menu-tools select{min-height:44px}body.menu-is-open{overflow:hidden;overscroll-behavior:none}
@media(max-width:640px){.menu-drawer{left:0;width:100vw;border-left:0}.menu-drawer-scroll{padding:.55rem max(.65rem,env(safe-area-inset-right)) 1rem max(.65rem,env(safe-area-inset-left))}.menu-node>a,.menu-label,.menu-node>details>summary{min-height:50px}.menu-overview{min-height:44px!important}.menu-tools button,.menu-tools select{min-height:50px}.chrome-breadcrumbs{padding-bottom:.35rem}.site-chrome-handle{height:20px;min-height:20px}.site-chrome.is-collapsed .site-chrome-handle{height:16px;min-height:16px}}
@media(prefers-reduced-motion:reduce){.menu-node>details>summary::before{transition:none}}
html[data-theme^="eink"] .menu-backdrop{backdrop-filter:none;background:rgb(255 255 255 / .82)}html[data-theme^="eink"] .menu-drawer,html[data-theme^="eink"] .site-chrome,html[data-theme^="eink"] .site-chrome-handle{box-shadow:none;border-radius:0}