body {
  font-family: 'Poppins', Arial, sans-serif;
  background: #f4f7fc;
  color: #333;
}
.container {
  max-width: 700px;
  margin: 30px auto;
  background: #fff;
  padding: 20px 28px;
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}
h1 { text-align:center; color:#0066cc; }
label { display:block; margin-top:12px; font-weight:600; }
input, select { width:100%; padding:10px; margin-top:6px; border:1px solid #d0d7e0; border-radius:6px; }
button { width:100%; margin-top:18px; padding:12px; background:#0066cc; color:#fff; border:none; border-radius:6px; font-size:16px; cursor:pointer; }
button:hover { background:#0050a3; }
.hidden { display:none; }
.blink { font-size:20px; color:#0a8a00; font-weight:700; animation: blink 1s infinite; margin-top:10px; }
@keyframes blink { 0%,50%,100%{opacity:1} 25%,75%{opacity:0} }
.banks { display:flex; justify-content:space-around; margin-top:12px; align-items:center; gap:12px; flex-wrap:wrap; }
.banks img { height:48px; }
#status { margin-top:16px; padding:10px; border-radius:6px; background:#f0f8ff; color:#08306b; }