body{font:16px system-ui;background:#f5f7fa;color:#17232f;margin:0}main{max-width:440px;margin:8vh auto;padding:24px;background:white;border-radius:16px}label,input,button{display:block}input,button{box-sizing:border-box;width:100%;padding:12px;margin:8px 0 20px;border-radius:8px;border:1px solid #a1afbc}button{background:#1266ba;color:white;cursor:pointer}button:disabled{opacity:.6}input:focus-visible,button:focus-visible{outline:3px solid #5d98d5}