:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:Arial,sans-serif}*{box-sizing:border-box}body{color:#18231d;background:#f5f6f2;margin:0}a{color:inherit}main{max-width:680px;margin:0 auto;padding:32px 20px}form{gap:12px;display:grid}input,button{font:inherit;border:1px solid #bfc8c0;border-radius:8px;padding:12px}button{cursor:pointer;color:#fff;background:#173b2a;border:0}.card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 8px #0000000d}.error{color:#9b1c1c}nav{align-items:center;gap:18px;margin-bottom:36px;display:flex}nav form{margin-left:auto}