/* Corporate-grade minimalist aesthetic */
body {
  font-family: 'Poppins', sans-serif;
  background: #f5f6fa;
  color: #34495e;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100vh;
  margin: 0;
}

.container {
  background: #fff;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  text-align: center;
  width: 100%;
  max-width: 400px;
  margin: 5% auto 0;
}

h1 {
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
}

input, button {
  width: 100%;
  padding: 0.75rem 1rem;
  margin: 0.5rem 0;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
}

input:focus {
  border-color: #3498db;
  outline: none;
}

button {
  background: #3498db;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s ease;
}

button:hover {
  background: #2980b9;
}

#qr-output {
  margin-top: 1.5rem;
}

/* Footer Styling */
.footer {
  text-align: center;
  padding: 10;
  font-size: 0.9rem;
  color: #7f8c8d;
  background: transparent;
}