/* Wrapper */
#tts-cup-preview-canvas-wrap {
  width: 100%;
  max-width: 100%; /* optional begrenzen */
  margin-top: 8px;
  aspect-ratio: 1 / 1; /* immer quadratisch */
  border: 1px solid #ddd;
  position: relative;
  overflow: hidden;
}

/* Fabric erzeugt 2 Canvas Ebenen */
#tts-cup-preview-canvas-wrap canvas {
  position: absolute !important;
  display: block;
  width: 100% !important;
  height: auto !important;
}

#tts-cup-preview-canvas-wrap .canvas-container {
  width: 100% !important;
  max-width: 100% !important;
  height: auto !important;
}

#ttsCupPreviewCanvas {
  width: 100% !important;
  height: auto !important;
  display: block;
}

#tts-cup-preview-canvas-wrap canvas.lower-canvas,
#tts-cup-preview-canvas-wrap canvas.upper-canvas {
  width: 100% !important;
  height: auto !important;
  display: block;
}