:root{--ink:#14161a;--muted:#6b7280;--line:#e6e8ec;--bg:#f7f8fa;--accent:#0d9488;--accent-ink:#fff}*{box-sizing:border-box}html,body{height:100%}body{background:var(--bg);color:var(--ink);justify-content:center;align-items:center;margin:0;padding:32px 20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;display:flex}