.top{--bg:#101522;--surface:#1b2234;--text:#f1f4ff;--muted:#adb8d0;--primary-hi:#a3b7ff;--rule:#50607c;--head:"Barlow Condensed", "Arial Narrow", Impact, sans-serif;--sans:"IBM Plex Sans", system-ui, sans-serif;z-index:10;background:color-mix(in srgb, var(--bg) 90%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--rule);color:var(--text);position:sticky;top:0}[data-theme=racetrack-light] .top{--bg:#f5f7ff;--surface:#fff;--text:#1b2845;--muted:#596782;--primary-hi:#245fee;--rule:#b5c2df}.top .wrap{align-items:center;gap:12px;width:min(1240px,100% - 40px);min-height:60px;margin-inline:auto;display:flex}.top .brand{font:800 1.3rem var(--head);text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;align-items:center;gap:12px;margin-right:auto;text-decoration:none;display:flex}.top .brand svg{width:28px;height:28px}.top .nav-tools{flex:none;align-items:center;gap:4px;display:flex}.top nav{align-items:center;gap:12px;display:flex}.top nav a{color:var(--muted);font:500 .9375rem/1 var(--sans);padding:10px 8px;text-decoration:none;transition:color .16s cubic-bezier(.2,0,0,1);position:relative}.top nav a:after{content:"";background:var(--primary-hi);transform-origin:0;border-radius:2px;height:2px;transition:transform .26s cubic-bezier(.2,0,0,1);position:absolute;bottom:-6px;left:8px;right:8px;transform:scaleX(0)}.top nav a[aria-current=page],.top nav a:focus-visible{color:var(--text)}.top nav a[aria-current=page]:after,.top nav a:focus-visible:after{transform:scaleX(1)}@media (hover:hover){.top nav a:hover{color:var(--text)}.top nav a:hover:after{transform:scaleX(1)}}@media (max-width:900px){.top nav{display:none}}.top .theme-toggle{width:38px;height:38px;color:var(--text);cursor:pointer;background:0 0;border:0;flex:none;place-items:center;padding:0;transition:color .14s cubic-bezier(.2,0,0,1);display:inline-grid}.top .theme-toggle svg{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;width:20px;height:20px}.top .theme-toggle .moon,[data-theme=racetrack-light] .top .theme-toggle .sun{display:none}[data-theme=racetrack-light] .top .theme-toggle .moon{display:block}@media (hover:hover){.top .theme-toggle:hover{color:var(--primary-hi)}}@media (prefers-reduced-motion:reduce){.top nav a,.top nav a:after,.top .theme-toggle{transition:none}}@media (max-width:480px){.top .brand{font-size:1.1rem}.top .brand svg{width:24px;height:24px}}@media (max-width:600px){.top .brand .brand-name{display:none}}.top .account{color:var(--muted);font:500 .9375rem/1 var(--sans);cursor:pointer;background:0 0;border:0;flex:none;align-items:center;padding:6px 0;display:inline-flex}.top .account[hidden]{display:none}