:root{color-scheme:light;--bg:#eef2f3;--ink:#14232d;--muted:#4b5d68}
@media (prefers-color-scheme:dark){:root{color-scheme:dark;--bg:#10181d;--ink:#e4ebee;--muted:#a3b4bd}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1rem/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{min-height:100vh;display:grid;place-content:center;gap:.75rem;text-align:center;padding:2rem max(16px,env(safe-area-inset-left,0px))}
.mark{font-weight:800;font-size:1.2rem;letter-spacing:-.02em;margin:0}
h1{font-size:clamp(1.5rem,4vw,2.2rem);line-height:1.15;margin:0;text-wrap:balance}
p{margin:0;color:var(--muted)}