:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#172019;background:#f5f8f4}body{margin:0}main{max-width:900px;margin:0 auto;padding:24px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}button{min-height:44px;padding:10px 14px;border:1px solid #497256;border-radius:8px;background:#fff;color:#183d25;font-weight:600}pre{overflow-wrap:anywhere;white-space:pre-wrap;border:1px solid #c8d4c9;border-radius:8px;background:#fff;padding:16px}