:root{color-scheme:light;--ink:#1a1a1a;--muted:#6b7280;--border:#e5e7eb;--bg:#fafafa;--accent:#7a2e2e}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif}a{color:var(--accent)}button,input{font:inherit}button{cursor:pointer}