@import url('https://fonts.googleapis.com/css2?family=Hind:wght@700&display=swap');
body{font-family:'Hind',sans-serif;background:#0b0f14;color:#e9f2ff;padding:22px}
input{width:90px;margin-right:6px;padding:6px 8px;border-radius:6px;border:1px solid #2b3b56;background:#111827;color:#e9f2ff}
button{padding:6px 10px;border-radius:6px}
#res{margin-top:8px;font-weight:700}