body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(120deg, #0f2027, #203a43, #2c5364);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  background: #1e2a35;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  width: 90%;
  max-width: 500px;
  text-align: center;
}

.logo {
  width: 120px;
  margin-bottom: 10px;
}

h1 {
  color: #00ff7f; /* Green premium */
  margin-bottom: 20px;
}

input[type="text"] {
  width: 80%;
  padding: 12px;
  border-radius: 8px;
  border: none;
  margin-bottom: 20px;
  font-size: 16px;
  outline: none;
}

button {
  padding: 12px 25px;
  border-radius: 8px;
  border: none;
  background: linear-gradient(to right, #00ff7f, #00cc44);
  color: #000;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
  margin-right: 10px;
}

button:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

pre {
  background: #0d1a22;
  padding: 15px;
  border-radius: 10px;
  text-align: left;
  max-height: 300px;
  overflow-y: auto;
  margin-top: 20px;
}

.download-btn {
  margin-top: 15px;
  background: linear-gradient(to right, #ff6600, #ff3300);
  color: #fff;
}