:root{font-family:system-ui,sans-serif;color:#193e36;background:#f4f7f4}*{box-sizing:border-box}body{margin:0;padding:24px}main{max-width:480px;margin:7vh auto;background:white;border:1px solid #d8e3da;border-radius:18px;padding:28px}h1{font-size:1.7rem}p{line-height:1.7}form{display:grid;gap:14px}form[hidden]{display:none}input[type=email],input:not([type]){width:100%;font-size:1.1rem;padding:12px;border:1px solid #82998e;border-radius:8px}button{font:inherit;padding:13px;border-radius:8px;border:1px solid #82998e;background:white;cursor:pointer}button.primary{background:#245c4b;color:white}button:disabled{opacity:.55}input:focus-visible,button:focus-visible{outline:3px solid #efb74f;outline-offset:3px}#message{min-height:2em}