body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;max-width:720px;margin:40px auto;padding:0 20px;color:#1a1a1a}label{display:block;margin-top:12px;font-size:14px;font-weight:600}input{width:100%;padding:8px;margin-top:4px;border:1px solid #ccc;border-radius:4px}button,input{font-size:14px}button{margin-top:20px;padding:10px 18px;background:#111;color:#fff;border:none;border-radius:4px;cursor:pointer}button:disabled{background:#999;cursor:not-allowed}table{margin-top:24px;width:100%;border-collapse:collapse}td{padding:6px 10px;border-bottom:1px solid #eee;font-size:14px}td:first-child{font-weight:600;color:#555}