.gst-panel-btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: #6c47ff;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 700;
  font-family: 'Segoe UI', system-ui, sans-serif;
  transition: background 0.2s;
}
.gst-panel-btn:hover {
  background: #5537e0;
  color: white;
}