body {
  font-family: "Segoe UI", sans-serif;
  background: #f8f9fc;
  text-align: center;
  margin-top: 100px;
}

.product {
  background: white;
  display: inline-block;
  padding: 25px 45px;
  border-radius: 10px;
  box-shadow: 0 0 10px #ccc;
}

button {
  background: #00bfa5;
  border: none;
  padding: 12px 25px;
  color: white;
  font-size: 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.2s;
}

button:hover {
  background: #009e8c;
  transform: scale(1.03);
}

#statusBox {
  margin-top: 30px;
  padding: 15px;
  display: inline-block;
  border-radius: 10px;
  background: #eef2f3;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
  font-size: 18px;
}

.hidden { display: none; }
.success { background: #d4edda; color: #155724; }
.fail { background: #f8d7da; color: #721c24; }