.admin-container {
  display: flex;
  gap: 2rem;
  max-width: 1400px;
  margin: auto;
}

form {
  width: 55%;
}

.preview-section {
  width: 45%;
  background: #f9fafb;
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid #ddd;
  overflow-y: auto;
  max-height: 80vh;
}

input, select {
  width: 100%;
  padding: 10px;
  margin-top: 6px;
}

input[type="submit"] {
  background: #2563eb;
  color: white;
  border: none;
  padding: 12px;
  border-radius: 6px;
  cursor: pointer;
}