:root{font-family:system-ui,sans-serif;color:#173831;background:#eff5f1}body{margin:0;padding:32px 20px}main{max-width:560px;margin:9vh auto;background:white;border-radius:20px;padding:36px;box-shadow:0 14px 50px #17383112}h1{font-size:2rem;line-height:1.15}p{line-height:1.6}.label{font-size:.8rem;letter-spacing:.13em;color:#56756a}button{font:inherit;border:1px solid #173831;border-radius:8px;padding:12px 24px;margin:12px 12px 0 0;cursor:pointer}#approve{background:#173831;color:white}#decline{background:white;color:#173831}button:disabled{opacity:.5;cursor:default}#result{min-height:3em}