.nb-root{--nb-base:#0b0b0c;--nb-surface:#0e0e10;--nb-surface-alt:#1a1a1c;--nb-border:#1e1e21;--nb-border-inner:#2a2a2d;--nb-text:#f5f5f3;--nb-text-muted:#9a9a96;--nb-text-faint:#5d5d59;--nb-gold:#b6ff2e;--nb-gold-bright:#e8ff2a;height:100vh;display:flex;background:var(--nb-base);color:var(--nb-text);font-family:var(--font-archivo),system-ui,sans-serif;overflow:hidden}.nb-sidebar{width:320px;flex-direction:column;border-right:1px solid var(--nb-border);background:var(--nb-surface);min-height:0}.nb-logo-box,.nb-sidebar{flex-shrink:0;display:flex}.nb-logo-box{height:88px;align-items:center;gap:14px;padding:0 24px;border-bottom:1px solid var(--nb-border);text-decoration:none;color:var(--nb-text)}.nb-logo-mark{position:relative;width:30px;height:38px;display:inline-block;flex-shrink:0}.nb-logo-disc{position:absolute;top:14px;left:50%;width:26px;height:26px;border-radius:50%;background:var(--nb-gold);transform:translateX(-50%)}.nb-logo-arc{position:absolute;top:2px;left:50%;width:20px;height:20px;border-top:4px solid var(--nb-gold);border-left:4px solid var(--nb-gold);border-radius:4px 0 0 0;transform:translateX(-50%) rotate(45deg)}.nb-logo-word{font-family:var(--font-anton),sans-serif;font-size:30px;letter-spacing:.03em}.nb-nav{flex:1;min-height:0;overflow-y:auto;padding:14px 0 40px}.nb-nav-divider{height:1px;background:var(--nb-border);margin:12px 18px}.nb-config-note{padding:16px 18px;font-size:12px;line-height:1.5;color:var(--nb-text-faint)}.nb-nav-row,.nb-nav-toggle{width:100%;display:flex;align-items:center;gap:9px;background:transparent;border:none;border-left:2px solid transparent;color:var(--nb-text-muted);cursor:pointer;text-align:left;font-family:inherit}.nb-nav-toggle{margin-top:6px;padding:12px 18px;font-weight:700;font-size:15px;letter-spacing:.01em;color:var(--nb-text)}.nb-nav-toggle .nb-nav-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nb-nav-row{padding:8px 18px;font-size:13.5px;color:var(--nb-text-muted)}.nb-nav-toggle:hover{color:var(--nb-gold-bright)}.nb-nav-row:hover{color:var(--nb-text)}.nb-nav-row.active{color:var(--nb-gold);background:var(--nb-surface-alt);border-left-color:var(--nb-gold);font-weight:600}.nb-nav-caret{width:12px;font-size:13px;color:var(--nb-gold);transition:transform .15s ease}.nb-nav-caret.open{transform:rotate(90deg)}.nb-nav-label{flex:1}.nb-main-col{flex:1;display:flex;flex-direction:column;min-width:0}.nb-topbar{height:72px;flex-shrink:0;justify-content:space-between;gap:20px;padding:0 26px;border-bottom:1px solid var(--nb-border);background:var(--nb-surface)}.nb-crumbs,.nb-topbar{display:flex;align-items:center}.nb-crumbs{flex-wrap:wrap;font-size:13px;color:var(--nb-text-muted);min-width:0}.nb-crumb-seg{display:inline-flex;align-items:center}.nb-crumb-sep{margin:0 9px;color:var(--nb-border)}.nb-crumb{color:var(--nb-text-muted)}.nb-crumb-active{color:var(--nb-gold-bright)}.nb-topbar-actions{gap:12px}.nb-search,.nb-topbar-actions{display:flex;align-items:center;flex-shrink:0}.nb-search{gap:8px;background:var(--nb-surface-alt);border:1px solid var(--nb-border-inner);padding:9px 14px;width:280px}.nb-search-wrap{position:relative;flex-shrink:0}.nb-search-wrap.has-results .nb-search{border-color:var(--nb-gold-dim)}.nb-search-kbd{font-family:inherit;font-size:10px;letter-spacing:.04em;color:var(--nb-text-faint);border:1px solid var(--nb-border-inner);padding:2px 5px;line-height:1.2;flex-shrink:0}.nb-search-mobile-btn,.nb-search-mobile-close{display:none}.nb-search-results{position:absolute;top:calc(100% + 6px);left:0;right:0;margin:0;padding:6px 0;list-style:none;background:var(--nb-surface);border:1px solid var(--nb-border-inner);box-shadow:0 12px 40px rgba(0,0,0,.45);max-height:min(420px,60vh);overflow-y:auto;z-index:50}.nb-search-result{display:flex;flex-direction:column;align-items:flex-start;gap:2px;width:100%;padding:10px 14px;background:transparent;border:none;text-align:left;cursor:pointer;font-family:inherit;color:var(--nb-text)}.nb-search-result.active,.nb-search-result:hover{background:var(--nb-surface-alt)}.nb-search-result-title{font-size:13px;font-weight:600;color:var(--nb-text-bright)}.nb-search-result-meta{font-size:11px;color:var(--nb-text-faint);letter-spacing:.02em}.nb-search-result-snippet{font-size:12px;color:var(--nb-text-muted);line-height:1.45;margin-top:2px}.nb-search-mark{background:rgba(201,168,76,.25);color:var(--nb-gold-bright);padding:0 1px;border-radius:2px}.nb-search-empty,.nb-search-status{padding:12px 14px;font-size:12px;color:var(--nb-text-muted)}.nb-search-status{border-top:1px solid var(--nb-border-inner);color:var(--nb-text-faint);font-size:11px}.nb-lock-btn{background:transparent;border:1px solid var(--nb-border-inner);color:var(--nb-text-muted);padding:9px 14px;font-family:inherit;font-size:12px;letter-spacing:.06em;text-transform:uppercase;cursor:pointer}.nb-lock-btn:hover{border-color:var(--nb-gold);color:var(--nb-gold-bright)}.nb-search-icon{color:var(--nb-text-faint);font-size:14px}.nb-search-input{flex:1;background:transparent;border:none;color:var(--nb-text);outline:none;font-size:13px;font-family:inherit}.nb-search-input::placeholder{color:var(--nb-text-faint)}.nb-content{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column}.nb-article{flex:1;max-width:820px;width:100%;margin:0 auto;padding:48px 40px 24px}.nb-title{font-family:var(--font-anton),sans-serif;font-weight:400;font-size:38px;text-transform:uppercase;margin:0 0 28px;line-height:1.05}.nb-placeholder-note,.nb-stale-note{font-size:12px;color:var(--nb-text-faint);border-left:2px solid var(--nb-gold);padding:6px 12px;margin-bottom:18px;background:var(--nb-surface)}.nb-error,.nb-loading{color:var(--nb-text-muted);font-size:15px}.nb-error{color:#ff6a4d}.nb-spinner-wrap{display:flex;flex-direction:column;align-items:center;gap:14px;padding:60px 0}.nb-spinner{width:28px;height:28px;border:3px solid var(--nb-border-inner);border-top-color:var(--nb-gold);border-radius:50%;animation:nb-spin .7s linear infinite}@keyframes nb-spin{to{transform:rotate(1turn)}}.nb-spinner-label{font-size:13px;color:var(--nb-text-faint);letter-spacing:.04em}.nb-prefetch-bar{position:relative;margin:12px 18px 4px;height:3px;background:var(--nb-border);border-radius:2px;overflow:hidden}.nb-prefetch-fill{position:absolute;left:0;top:0;height:100%;background:var(--nb-gold);border-radius:2px;transition:width .3s ease}.nb-prefetch-label{display:block;margin-top:6px;font-size:11px;color:var(--nb-text-faint);text-align:center;letter-spacing:.06em}.nb-p{font-size:16px;line-height:1.7;color:#d7d4cc;margin:0 0 16px}.nb-h1{font-family:var(--font-anton),sans-serif;font-weight:400;text-transform:uppercase;font-size:28px;margin:32px 0 14px}.nb-h2{font-size:22px;margin:28px 0 12px}.nb-h2,.nb-h3{font-weight:700}.nb-h3{font-size:18px;margin:22px 0 10px}.nb-ol,.nb-ul{margin:0 0 16px;padding-left:26px}.nb-li{font-size:16px;line-height:1.7;color:#d7d4cc;margin:4px 0}.nb-li-children{margin-top:6px}.nb-todo{display:flex;align-items:flex-start;gap:10px;margin:6px 0;font-size:16px;line-height:1.6;color:#d7d4cc}.nb-checkbox{width:18px;height:18px;flex-shrink:0;border:1.5px solid var(--nb-text-faint);border-radius:3px;display:inline-flex;align-items:center;justify-content:center;font-size:12px;margin-top:2px}.nb-checkbox.checked{background:var(--nb-gold);border-color:var(--nb-gold);color:var(--nb-base)}.nb-todo-done{text-decoration:line-through;color:var(--nb-text-faint)}.nb-toggle{margin:6px 0}.nb-toggle-head{display:flex;align-items:flex-start;gap:8px;background:transparent;border:none;color:var(--nb-text);cursor:pointer;font-family:inherit;font-size:16px;line-height:1.6;text-align:left;padding:0}.nb-toggle-caret{color:var(--nb-gold);transition:transform .15s ease;margin-top:2px}.nb-toggle-caret.open{transform:rotate(90deg)}.nb-toggle-body{padding:8px 0 8px 22px}.nb-callout{display:flex;gap:12px;background:var(--nb-surface);border:1px solid var(--nb-border-inner);border-radius:6px;padding:14px 16px;margin:16px 0}.nb-callout-icon{font-size:18px;line-height:1.5}.nb-callout-body{flex:1}.nb-callout-body .nb-p:last-child{margin-bottom:0}.nb-quote{border-left:3px solid var(--nb-gold);margin:16px 0;padding:4px 0 4px 16px;color:var(--nb-text-muted);font-style:italic}.nb-code{background:var(--nb-surface);border:1px solid var(--nb-border-inner);border-radius:6px;padding:14px 16px;overflow-x:auto;font-size:13px;line-height:1.6;color:#d7d4cc;margin:16px 0}.nb-code,.nb-inline-code{font-family:var(--font-jetbrains-mono),monospace}.nb-inline-code{font-size:.88em;background:var(--nb-surface-alt);padding:.1em .35em;border-radius:4px;color:var(--nb-gold-bright)}.nb-link{color:var(--nb-gold);text-decoration:underline}.nb-link:hover{color:var(--nb-gold-bright)}.nb-divider{border:none;border-top:1px solid var(--nb-border);margin:26px 0}.nb-figure{margin:20px 0}.nb-image{max-width:100%;height:auto;border-radius:6px;display:block}.nb-caption{font-size:13px;color:var(--nb-text-faint);margin-top:8px;text-align:center}.nb-embed-wrap{position:relative;width:100%;aspect-ratio:16/9;margin:20px 0}.nb-embed{width:100%;height:100%}.nb-bookmark,.nb-embed{border:1px solid var(--nb-border-inner);border-radius:6px}.nb-bookmark{display:block;padding:12px 14px;margin:16px 0;color:var(--nb-gold);text-decoration:none;font-size:14px;word-break:break-all}.nb-table-wrap{overflow-x:auto;margin:18px 0}.nb-table{border-collapse:collapse;width:100%;font-size:14px}.nb-cell{border:1px solid var(--nb-border-inner);padding:9px 12px;text-align:left;color:#d7d4cc;vertical-align:top}.nb-table th.nb-cell{background:var(--nb-surface);font-weight:700;color:var(--nb-text)}.nb-columns{display:flex;gap:24px;margin:16px 0;flex-wrap:wrap}.nb-column{flex:1;min-width:200px}.nb-child-page{display:flex;align-items:center;gap:10px;border:1px solid var(--nb-border-inner);border-radius:6px;padding:12px 14px;margin:10px 0;color:var(--nb-text);font-size:15px}.nb-child-page-icon{color:var(--nb-gold)}.nb-equation{font-family:var(--font-jetbrains-mono),monospace;background:var(--nb-surface);border:1px solid var(--nb-border-inner);border-radius:6px;padding:12px 16px;margin:16px 0;overflow-x:auto}.nb-pager{max-width:820px;width:100%;margin:0 auto;padding:24px 40px 48px;display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--nb-border)}.nb-pager-btn{background:var(--nb-surface);border:1px solid var(--nb-border-inner);color:var(--nb-text);padding:12px 18px;font-family:inherit;font-size:14px;cursor:pointer;max-width:45%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nb-pager-next{margin-left:auto}.nb-pager-btn:hover:not(:disabled){border-color:var(--nb-gold);color:var(--nb-gold-bright)}.nb-pager-btn:disabled{opacity:.35;cursor:not-allowed}.nb-gate{--nb-base:#0b0b0c;--nb-surface:#141416;--nb-surface-alt:#1a1a1c;--nb-border:#1e1e21;--nb-border-inner:#2a2a2d;--nb-text:#f5f5f3;--nb-text-muted:#9a9a96;--nb-text-faint:#5d5d59;--nb-gold:#b6ff2e;--nb-gold-bright:#e8ff2a;position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(800px 500px at 50% 0,#15150f 0,var(--nb-base) 60%);color:var(--nb-text);font-family:var(--font-archivo),system-ui,sans-serif}.nb-gate-card{width:100%;max-width:420px;text-align:center}.nb-gate-logo{display:inline-flex;align-items:center;gap:12px;margin-bottom:30px}.nb-gate-title{font-family:var(--font-anton),sans-serif;font-weight:400;font-size:34px;text-transform:uppercase;margin:0 0 8px}.nb-gate-sub{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--nb-text-faint);margin:0 0 30px}.nb-gate-input{width:100%;background:var(--nb-surface);border:1px solid var(--nb-border-inner);color:var(--nb-text);padding:16px;font-size:16px;font-family:inherit;outline:none;text-align:center;letter-spacing:.04em;cursor:default}.nb-gate-error{margin:14px 0 0;font-size:13px;letter-spacing:.02em;color:#ff6a4d}.nb-gate-btn{width:100%;margin-top:16px;background:var(--nb-gold);color:var(--nb-base);border:none;padding:17px;font-family:inherit;font-weight:800;text-transform:uppercase;letter-spacing:.06em;font-size:14px;cursor:pointer}.nb-gate-btn:hover:not(:disabled){background:var(--nb-gold-bright)}.nb-gate-btn:disabled{opacity:.6;cursor:not-allowed}.nb-gate-back{position:absolute;top:max(24px,env(safe-area-inset-top,0px));left:max(24px,env(safe-area-inset-left,0px));z-index:1;display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--nb-text-muted);text-decoration:none;white-space:nowrap}.nb-gate-back:hover{color:var(--nb-gold-bright)}@media (max-width:900px){.nb-gate{padding:72px 6vw 24px}.nb-gate-back{top:max(20px,env(safe-area-inset-top,0px));left:max(6vw,env(safe-area-inset-left,0px))}}.nb-menu-btn{display:none;align-items:center;justify-content:center;width:36px;height:36px;flex-shrink:0;background:transparent;border:1px solid var(--nb-border-inner);color:var(--nb-text-muted);font-size:18px;line-height:1;cursor:pointer}.nb-menu-btn:hover{color:var(--nb-gold-bright);border-color:var(--nb-gold)}.nb-sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:199}.nb-sidebar-overlay.open{display:block}@media (max-width:900px){.nb-sidebar{position:fixed;top:0;left:0;bottom:0;z-index:200;transform:translateX(-100%);transition:transform .22s ease;box-shadow:6px 0 32px rgba(0,0,0,.6)}.nb-sidebar.open{transform:translateX(0)}.nb-menu-btn{display:flex}.nb-topbar{padding:0 16px;gap:10px}.nb-search-wrap{display:none}.nb-search-wrap.mobile-open{display:block;position:fixed;top:0;left:0;right:0;z-index:300;padding:12px 16px;background:var(--nb-surface);border-bottom:1px solid var(--nb-border-inner);box-shadow:0 8px 32px rgba(0,0,0,.5)}.nb-search-wrap.mobile-open .nb-search{width:100%}.nb-search-wrap.mobile-open .nb-search-kbd{display:none}.nb-search-wrap.mobile-open .nb-search-mobile-close{display:flex}.nb-search-wrap.mobile-open .nb-search-results{position:static;margin-top:8px;max-height:calc(100vh - 88px);box-shadow:none;border:1px solid var(--nb-border-inner)}.nb-search-mobile-btn{display:flex;width:36px;height:36px;background:var(--nb-surface-alt);border:1px solid var(--nb-border-inner);color:var(--nb-text-muted);font-size:16px}.nb-search-mobile-btn,.nb-search-mobile-close{align-items:center;justify-content:center;cursor:pointer;flex-shrink:0}.nb-search-mobile-close{display:none;width:28px;height:28px;background:transparent;border:none;color:var(--nb-text-faint);font-size:14px}.nb-crumbs{flex-wrap:nowrap;overflow:hidden}.nb-crumb-seg:not(:last-child){display:none}.nb-article{padding:32px 20px 20px}.nb-pager{padding:20px 20px 40px}}@media (min-width:901px){.nb-search-mobile-btn,.nb-sidebar-overlay{display:none!important}}