/* Keep notebook output PNGs proportional */
div.nboutput img,
.rst-content .figure img,
.rst-content img {
  max-width: 100%;
  height: auto !important;   /* override any fixed height from attrs/metadata */
}

/* If you use nbsphinx gallery tiles (square boxes), don't stretch */
.nbsphinx-gallery img {
  width: 100%;
  height: auto !important;
  object-fit: contain;        /* letterbox inside the square instead of squashing */
}