:root{--bg:#0a0a0a;--fg:#ededed;--accent:#6366f1}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);color:var(--fg);min-height:100vh;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.container{flex-direction:column;gap:1.25rem;max-width:640px;margin:0 auto;padding:6rem 1.5rem;display:flex}h1{background:linear-gradient(90deg, var(--accent), #a855f7);color:#0000;-webkit-background-clip:text;background-clip:text;font-size:2.5rem}.hint{color:#a1a1aa}code{background:#1a1a1a;border-radius:4px;padding:.15rem .4rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}