body,html{margin:0;padding:0;font-family:Arial,Helvetica,sans-serif;background:#0f172a;color:#e2e8f0}a{color:#93c5fd;text-decoration:none}a:hover{text-decoration:underline}main{max-width:960px}button,input{border-radius:10px;border:1px solid #334155;background:#111827;color:#e2e8f0}button{background:#1e293b}