:root{color-scheme:light;--ink:#102a2e;--muted:#6b7d80;--line:#dbe7e5;--surface:#ffffff;--canvas:#f4f8f7;--accent:#0c766e;--accent-soft:#dff3ef}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font-family:Arial,sans-serif}button{font:inherit}