body{margin:0;font:16px Arial,sans-serif;background:#f2f5f3;color:#263b32}.card{max-width:600px;margin:32px auto;padding:24px;background:#fff;border:1px solid #d9e1dc;border-radius:10px}h1{margin-top:0}p,a{font-size:14px;color:#52645b;line-height:1.5}button{padding:10px 16px;border:0;border-radius:6px;background:#22664f;color:#fff;cursor:pointer}button:disabled{opacity:.6}table{width:100%;margin:20px 0;border-collapse:collapse}th,td{padding:12px;border-bottom:1px solid #d9e1dc;text-align:left}th{background:#edf3ef}th:last-child,td:last-child{text-align:right}@media(max-width:680px){.card{margin:16px;padding:16px}}