/* Theme variable bridge: Material (old) + PyData (new). */
:root {
  --ptk-border-color: var(--pst-color-border, var(--md-default-fg-color--lightest, #d1d5db));
  --ptk-muted-text-color: var(--pst-color-text-muted, var(--md-default-fg-color--light, #6b7280));
  --ptk-text-color: var(--pst-color-text-base, var(--md-default-fg-color, #1f2937));
  --ptk-code-bg: var(--pst-color-surface, var(--md-code-bg-color, #fafafa));
}

/* Side-by-side interactive 3D viewer iframes */
.mesh-viewer-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.mesh-viewer-row iframe {
  flex: 1 1 48%;
  min-width: 300px;
  height: 450px;
  border: 1px solid var(--ptk-border-color);
  border-radius: 8px;
}

.mesh-viewer-row figcaption {
  width: 100%;
  text-align: center;
  font-style: italic;
  color: var(--ptk-muted-text-color);
  margin-top: 0.25rem;
}

/* Scrollable stdout/stderr block used by run_with_scrollable_output */
.ptk-scroll-output {
  margin: 0.75rem 0;
}

.ptk-scroll-output > summary {
  cursor: pointer;
  margin-bottom: 0.35rem;
}

.ptk-scroll-output pre {
  margin: 0.35rem 0 0;
  max-height: calc(var(--ptk-output-visible-lines, 10) * var(--ptk-output-line-height, 1.35) * 1em);
  overflow: auto;
  padding: 0.75rem;
  border: 1px solid var(--ptk-border-color);
  border-radius: 8px;
  background: var(--ptk-code-bg);
  line-height: var(--ptk-output-line-height, 1.35);
  white-space: pre;
}

/* Notebook text outputs: clamp to ~10 lines and scroll vertically. */
.jupyter-wrapper .jp-OutputArea .jp-RenderedText.jp-OutputArea-output > pre,
.nboutput .output_area .output pre,
.nboutput .output_area pre,
.cell_output .output.stream pre,
.cell_output .output.stderr pre,
.cell_output .output.text_plain pre,
.cell-output .output.stream pre,
.cell-output .output.stderr pre,
.cell-output .output.text_plain pre,
.cell_output pre[id^="codecell"],
.cell-output pre[id^="codecell"] {
  max-height: calc(var(--ptk-notebook-output-lines, 10) * 1.35em) !important;
  overflow-y: auto !important;
  overflow-x: auto;
  display: block;
  line-height: 1.35;
  box-sizing: border-box;
  border: 1px solid var(--ptk-border-color);
  border-radius: 6px;
  background: #ffffff !important;
  color: var(--ptk-text-color) !important;
  padding: 0.75rem;
  margin: 0;
  white-space: pre;
}

/* Keep HTML/interactive outputs full-size with no clipping by default. */
.jupyter-wrapper .jp-OutputArea .jp-RenderedHTMLCommon.jp-OutputArea-output,
.jupyter-wrapper .jp-OutputArea .jp-RenderedHTMLCommon.jp-OutputArea-output *,
.nboutput .output_area .output_html,
.nboutput .output_area .output_html *,
.cell_output .output.text_html,
.cell_output .output.text_html *,
.cell-output .output.text_html,
.cell-output .output.text_html * {
  max-height: none !important;
}

.jupyter-wrapper .jp-OutputArea .jp-RenderedHTMLCommon.jp-OutputArea-output,
.nboutput .output_area .output_html,
.cell_output .output.text_html,
.cell-output .output.text_html {
  overflow: visible !important;
}

.ptk-cta-button {
  display: inline-block;
  border-radius: 999px;
  border: 1px solid var(--ptk-text-color);
  color: var(--ptk-text-color);
  text-decoration: none;
  font-weight: 600;
}

.ptk-cta-button:hover {
  text-decoration: none;
  opacity: 0.9;
}

.ptk-gallery-card {
  height: 100%;
  border: 1px solid var(--ptk-border-color);
  border-radius: 10px;
  background: #ffffff;
  overflow: hidden;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.ptk-gallery-link {
  text-decoration: none;
  color: inherit;
}

.ptk-gallery-link:hover {
  text-decoration: none;
}

.ptk-gallery-link:hover .ptk-gallery-card {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.ptk-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 0.5rem 0 1.5rem;
}

@media (max-width: 1100px) {
  .ptk-gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .ptk-gallery-grid {
    grid-template-columns: 1fr;
  }
}

.ptk-gallery-card .sd-card-img-top {
  height: 140px;
  object-fit: contain;
  padding: 0.75rem;
  background: var(--ptk-code-bg);
  border-bottom: 1px solid var(--ptk-border-color);
}

.ptk-gallery-card .sd-card-title {
  min-height: 2.6em;
}

.ptk-gallery-card img {
  display: block;
  width: 100%;
  height: 96px;
  object-fit: contain;
  padding: 0.5rem;
  background: var(--ptk-code-bg);
  border-bottom: 1px solid var(--ptk-border-color);
}

.ptk-gallery-card h3 {
  margin: 0;
  padding: 0.6rem 0.7rem 0.25rem;
  font-size: 0.95rem;
}

.ptk-gallery-card p {
  margin: 0;
  padding: 0 0.7rem 0.7rem;
  color: var(--ptk-muted-text-color);
  font-size: 0.88rem;
  line-height: 1.4;
}