:root{--bg: #fff;--fg: #1a1a1a;--muted: #666;--rule: #d8d8d8;--accent: #0a4f8f;color-scheme:light dark}@media (prefers-color-scheme: dark){:root{--bg: #111;--fg: #e8e8e8;--muted: #999;--rule: #333;--accent: #7fb4e8}}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.55 system-ui,sans-serif}main{max-width:56rem;margin:0 auto;padding:2rem 1rem 4rem}header{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:1rem;border-bottom:1px solid var(--rule);margin-bottom:1.5rem}h1{font-size:1.5rem;font-weight:600;margin:0 0 .5rem}h1 a{color:inherit;text-decoration:none}h2{font-size:1rem;font-weight:600;margin:2.5rem 0 .5rem;padding-top:.75rem;border-top:1px solid var(--rule)}.lede{max-width:40rem;font-size:1.125rem}.note{color:var(--muted);margin-left:.5rem}a{color:var(--accent)}ol{padding-left:1.25rem;max-width:40rem}li{margin-bottom:.75rem}dl{display:grid;grid-template-columns:max-content 1fr;gap:.25rem 1.5rem;max-width:40rem}dt{font-weight:600}dd{margin:0}code{font:.875em ui-monospace,Consolas,monospace;background:color-mix(in srgb,var(--fg) 8%,transparent);padding:.1em .3em}.row{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;margin:.5rem 0}input{font:inherit;padding:.25rem .4rem;border:1px solid var(--rule);background:var(--bg);color:var(--fg);border-radius:2px;width:6rem}button,.button{font:inherit;padding:.35rem .8rem;border:1px solid var(--fg);background:var(--fg);color:var(--bg);border-radius:2px;cursor:pointer;text-decoration:none;display:inline-block}button:disabled{opacity:.4;cursor:default}.row button:not(:only-child){background:transparent;color:var(--fg)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}ul[aria-label=Drones]{padding-left:1.25rem}