:root{color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}body{margin:0}.layout{max-width:60rem;margin:0 auto;padding:1rem;display:flex;flex-direction:column;min-height:100dvh;gap:1rem}header{display:flex;align-items:baseline;gap:1.5rem;flex-wrap:wrap}header h1{margin:0;font-size:1.4rem}nav{display:flex;gap:1rem}nav a[data-status=active]{font-weight:700}main{flex:1}footer{font-size:.8rem;opacity:.75}