body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#000;color:#eee}
a{color:#7aa7ff}
.container{max-width:420px;margin:80px auto;padding:24px;border:1px solid #222;border-radius:12px;background:#0b0b0b}
input,button{width:100%;padding:12px;margin:10px 0;border-radius:10px;border:1px solid #222;background:#111;color:#eee}
button{cursor:pointer}
.error{background:#2a0000;border:1px solid #550000;padding:10px;border-radius:10px}