:root{font-family:system-ui,sans-serif;color:#203a57;background:#f4f6fa}*{box-sizing:border-box}body{margin:0;padding:24px 18px}main{max-width:440px;margin:8vh auto;background:white;border:1px solid #dfe6ef;border-radius:20px;padding:28px}header{letter-spacing:2px;font-weight:800}h1{font-size:26px;margin-top:32px}p,small{color:#67788c;line-height:1.6}label{display:block;margin:20px 0;font-weight:600}input{display:block;width:100%;margin-top:8px;padding:14px;border:1px solid #bac9da;border-radius:10px;font:inherit;font-size:16px}button{width:100%;border:0;border-radius:10px;padding:15px;background:#203a57;color:white;font:inherit;font-weight:700}button:disabled{opacity:.6}#message{color:#b42318;min-height:24px}