.ccv-wrapper {
  max-width: 600px;
  margin: auto;
  background: #f0f8ff;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 0 8px rgba(0,0,0,0.1);
  font-family: 'Segoe UI', sans-serif;
  text-align: center;
}
.ccv-wrapper h2 {
  color: #004d66;
}
.ccv-wrapper input {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border: 1px solid #ccc;
  border-radius: 5px;
}
.ccv-wrapper button {
  background-color: #0088cc;
  color: white;
  padding: 12px;
  width: 100%;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
}
#ccv-result {
  margin-top: 20px;
  font-size: 18px;
  color: #003d33;
}