*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:#f4f6f8;color:#333}#root{min-height:100vh;display:flex;justify-content:center;padding:32px 16px}.container{width:100%;max-width:720px;background-color:#fff;border-radius:8px;padding:24px;box-shadow:0 6px 16px #00000014}h2{margin-top:0;margin-bottom:20px;font-size:24px}form{display:flex;gap:8px;margin-bottom:24px}input{flex:1;padding:10px 12px;font-size:14px;border-radius:6px;border:1px solid #ccc}button{padding:10px 14px;font-size:14px;border-radius:6px;border:none;background-color:#2563eb;color:#fff;cursor:pointer}button:disabled{background-color:#94a3b8;cursor:not-allowed}ul{list-style:none;padding:0;margin:0}li{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid #e5e7eb}li:last-child{border-bottom:none}li button{margin-left:8px;background-color:#ef4444}li button:first-of-type{background-color:#10b981}