*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;background:#f6f6f6;color:#222;font:15px system-ui,sans-serif}main{width:min(380px,calc(100vw - 32px));padding:32px;background:#fff;border:1px solid #e5e5e5;border-radius:16px}.brand{font-size:14px;font-weight:700;color:#666}h1{font-size:24px;margin:22px 0 8px}p{color:#777;font-size:13px;margin:0 0 28px}label{display:block;font-weight:600;font-size:13px;margin:16px 0}input{display:block;width:100%;border:1px solid #ccc;border-radius:7px;padding:11px;margin-top:7px;font:inherit}input:focus{outline:2px solid #555;outline-offset:2px}button{width:100%;background:#222;color:#fff;border:0;border-radius:7px;padding:12px;font:inherit;cursor:pointer}button:disabled{opacity:.5;cursor:wait}#message{font-size:13px;color:#b42318;margin-top:16px;min-height:18px}