.msx-preview-marker {
  position: fixed;
  left: 14px;
  bottom: 14px;
  z-index: 999998;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border: 1px solid rgba(255, 201, 74, .48);
  border-radius: 8px;
  background: rgba(10, 17, 35, .94);
  color: #ffc94a;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .28);
  font: 700 11px/1.2 'Roboto Mono', ui-monospace, monospace;
  letter-spacing: .04em;
  pointer-events: none;
}

@media (max-width: 560px) {
  .msx-preview-marker { left: 8px; bottom: 8px; font-size: 10px; }
}