.site-nav{border-bottom:1px solid var(--border,var(--line,#d0d7de));box-sizing:border-box;background:var(--paper,#f8f9fa);z-index:100;width:100%;max-width:1210px;margin:0 auto;padding:0 20px;position:relative}.reader .site-nav,.gateway .site-nav{background:0 0}.site-nav-container{justify-content:space-between;align-items:center;gap:16px;width:100%;height:56px;display:flex}.nav-brand-group{flex-shrink:0;align-items:center;gap:10px;display:flex}.site-brand{color:var(--fg,var(--ink,#181a1b));letter-spacing:.04em;white-space:nowrap;align-items:center;gap:8px;font:600 12px DM Mono,monospace;text-decoration:none;display:inline-flex}.site-brand .brand-symbol{background:var(--accent,var(--green,#27674c));color:#fff;border-radius:4px;place-items:center;width:22px;height:22px;font:700 11px DM Mono,monospace;display:grid}.shell-badge{letter-spacing:.04em;color:var(--soft,var(--muted,#565d64));background:color-mix(in srgb, var(--soft,#565d64) 12%, transparent);white-space:nowrap;border-radius:4px;padding:2px 6px;font:600 11px DM Mono,monospace}.site-nav-links{align-items:center;gap:24px;display:flex}.site-nav-links a{color:var(--soft,var(--muted,#565d64));text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;font:500 12px DM Mono,monospace;text-decoration:none;transition:color .15s}.site-nav-links a:hover,.site-nav-links a.active{color:var(--fg,var(--ink,#181a1b));font-weight:700}.nav-actions{align-items:center;gap:10px;display:flex}.shell-language{border:1px solid var(--border,var(--line,#d0d7de));background:0 0;border-radius:6px;align-items:center;gap:2px;padding:2px;display:inline-flex}.shell-language button{color:var(--soft,var(--muted,#565d64));cursor:pointer;background:0 0;border:0;border-radius:4px;padding:3px 8px;font:600 11px DM Mono,monospace;transition:background .15s,color .15s}.shell-language button:hover{color:var(--fg,var(--ink,#181a1b))}.shell-language button.active{background:var(--accent,var(--green,#27674c));color:#fff}.site-theme{border:1px solid var(--border,var(--line,#d0d7de));height:28px;color:var(--fg,var(--ink,#181a1b));cursor:pointer;white-space:nowrap;background:0 0;border-radius:6px;align-items:center;gap:6px;padding:0 10px;font:500 12px DM Mono,monospace;transition:border-color .15s;display:inline-flex}.site-theme:hover{border-color:var(--fg,var(--ink,#181a1b))}.mobile-controls{align-items:center;gap:8px;display:none}.nav-toggle-btn{border:1px solid var(--border,var(--line,#d0d7de));width:32px;height:32px;color:var(--fg,var(--ink,#181a1b));cursor:pointer;background:0 0;border-radius:6px;justify-content:center;align-items:center;padding:0;transition:border-color .15s,background .15s;display:inline-flex}.nav-toggle-btn:hover{border-color:var(--fg,var(--ink,#181a1b))}.site-nav-mobile-drawer{border-top:1px solid var(--border,var(--line,#d0d7de));background:var(--paper,#f8f9fa);flex-direction:column;gap:16px;padding:16px 0 20px;animation:.2s ease-out slideDown;display:none}.dark .site-nav-mobile-drawer,.reader.dark .site-nav-mobile-drawer,.gateway.dark .site-nav-mobile-drawer{background:var(--bg,#172019)}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.mobile-drawer-links{flex-direction:column;gap:8px;display:flex}.mobile-drawer-links a{color:var(--soft,var(--muted,#565d64));text-transform:uppercase;letter-spacing:.04em;border-radius:6px;padding:8px 12px;font:600 13px DM Mono,monospace;text-decoration:none;transition:background .15s,color .15s}.mobile-drawer-links a:hover,.mobile-drawer-links a.active{color:var(--fg,var(--ink,#181a1b));background:color-mix(in srgb, var(--accent,#27674c) 12%, transparent)}.mobile-drawer-extra{border-top:1px dashed var(--border,var(--line,#d0d7de));flex-direction:column;gap:8px;padding-top:12px;display:flex}.dark .site-brand .brand-symbol,.reader.dark .site-brand .brand-symbol,.gateway.dark .site-brand .brand-symbol{color:#142019}.dark .shell-language button.active,.reader.dark .shell-language button.active,.gateway.dark .shell-language button.active{color:#142019;background:#a4dab2}@media (max-width:768px){.site-nav{padding:0 16px}.desktop-only{display:none!important}.mobile-controls,.site-nav-mobile-drawer{display:flex}}@media (max-width:440px){.shell-badge{display:none}.site-brand{font-size:11px}.site-theme{padding:0 6px;font-size:11px}}
