.app-header{position:sticky;top:0;z-index:30;flex:none;display:flex;align-items:center;gap:20px;height:64px;padding:0 24px;background:var(--paper);border-bottom:1px solid var(--rule)}.ah-menu,.ah-title{display:none}.ah-brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;flex:none}.ah-brand img{object-fit:contain}.ah-wordmark{font-size:22px;font-weight:700;letter-spacing:-.04em;line-height:1.1}.ah-wordmark b{color:var(--brand);font-weight:450}.ah-wordmark small{display:block;font-size:12px;font-weight:450;letter-spacing:0;color:var(--muted);margin-top:2px}.ah-meta{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:600;white-space:nowrap}.ah-meta span{color:var(--muted);font-weight:450}.ah-nav{display:flex;gap:2px;margin-left:auto}.ah-link,.ah-nav{align-items:center}.ah-link{display:inline-flex;min-height:40px;padding:0 12px;border-radius:8px;color:var(--muted);font-size:14px;font-weight:550;text-decoration:none;white-space:nowrap;position:relative}.ah-link:hover{background:var(--hover);color:var(--ink)}.ah-link[aria-current=page]{color:var(--brand);background:var(--pale)}.ah-link[aria-current=page]:after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;background:var(--brand)}.ah-end{display:flex;align-items:center;gap:14px;font-size:12px;color:var(--muted);white-space:nowrap}.ah-end .avatar{flex:none}.ah-link:focus-visible,.ah-menu:focus-visible,.nav-drawer a:focus-visible,.nav-drawer button:focus-visible{outline:2px solid var(--brand);outline-offset:2px}@media(max-width:1100px){.ah-end>span:not(.avatar),.ah-meta{display:none}}@media(max-width:960px){.ah-wordmark small{display:none}}@media(pointer:coarse){.ah-link{min-height:44px}}.nav-drawer-root{position:fixed;inset:0;z-index:100}.nav-drawer-backdrop{position:absolute;inset:0;background:rgba(51,40,43,.45);animation:nd-fade .2s ease-out}.nav-drawer{position:absolute;top:0;bottom:0;left:0;width:min(86vw,320px);display:flex;flex-direction:column;background:var(--paper);border-right:1px solid var(--rule);box-shadow:8px 0 32px rgba(51,40,43,.18);animation:nd-in .22s cubic-bezier(.2,.8,.2,1);padding-top:env(safe-area-inset-top)}.nav-drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 8px 0 20px;border-bottom:1px solid var(--rule);flex:none}.nav-drawer-title{font-size:16px;font-weight:700;letter-spacing:-.02em}.nav-drawer-close{width:44px;height:44px;display:grid;place-items:center;border-radius:10px;color:var(--ink)}.nav-drawer-close:hover{background:var(--hover)}.nav-drawer-body{flex:1 1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:12px 12px calc(16px + env(safe-area-inset-bottom))}.nd-group{display:grid;gap:2px;padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--rule)}.nd-group:last-child{border-bottom:0;margin-bottom:0}.nd-label{margin:0 8px 4px;font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.02em}.nd-button,.nd-link{display:flex;align-items:center;gap:12px;width:100%;min-height:48px;padding:0 12px;border-radius:10px;color:var(--ink);font-size:15px;font-weight:550;text-align:left;text-decoration:none;position:relative}.nd-button:hover,.nd-link:hover{background:var(--hover)}.nd-button[aria-current=true],.nd-link[aria-current=page]{background:var(--pale);color:var(--brand)}.nd-button[aria-current=true]:before,.nd-link[aria-current=page]:before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--brand)}@keyframes nd-in{0%{transform:translateX(-100%)}to{transform:none}}@keyframes nd-fade{0%{opacity:0}to{opacity:1}}@media(prefers-reduced-motion:reduce){.nav-drawer,.nav-drawer-backdrop{animation:none}}@media(max-width:760px){.app-header{height:56px;padding:0 8px 0 4px;gap:4px}.ah-menu{display:inline-flex;align-items:center;gap:6px;min-width:44px;height:44px;padding:0 10px;border-radius:10px;color:var(--ink);font-size:13px;font-weight:600}.ah-menu:hover,.ah-menu[aria-expanded=true]{background:var(--pale);color:var(--brand)}.ah-brand{width:44px;height:44px;justify-content:center}.ah-meta,.ah-nav,.ah-wordmark{display:none}.ah-title{display:block;flex:1 1;min-width:0;font-size:16px;font-weight:650;letter-spacing:-.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ah-end{margin-left:auto}.ah-end>span:not(.avatar){display:none}}