body {
  margin: 0;
  font-family: sans-serif;
  background: #0d2c69;
}

.container {
  max-width: 500px;
  background: #fff;
  margin: 100px auto;
  padding: 40px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.logo {
  max-width: 120px;
  height: auto;
  display: block;
  margin: 0 auto 20px auto;
}

input[type="text"] {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  border-radius: 10px;
  border: 1px solid #ccc;
  font-size: 16px;
}

button {
  margin-top: 20px;
  padding: 12px 30px;
  font-size: 16px;
  background: #1f3f87;
  color: #fff;
  border: none;
  border-radius: 25px;
  cursor: pointer;
}

button:hover {
  background: #152c6e;
}

#result {
  margin-top: 30px;
  font-weight: bold;
}

.download-link {
  display: inline-block;
  margin-top: 15px;
  background: #28a745;
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
}

footer {
  margin-top: 40px;
  font-size: 12px;
  color: #888;
  text-align: center;
}

/* Spinner Loading */
.spinner {
  margin: 20px auto;
  width: 40px;
  height: 40px;
  border: 4px solid rgba(0, 0, 0, 0.1);
  border-top: 4px solid #1f3f87;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.pengumuman-belum-dibuka {
  margin-top: 30px;
  font-size: 16px;
  font-weight: bold;
  color: #c0392b;
}