/* The browser demo (docs/javascripts/demo.js, docs/demo.md). Colours come from mkdocs-material's variables, so light and
   dark follow the docs palette. Two panes side by side from 60em; stacked below (phones, narrow windows). */
.md-main__inner.md-grid:has(.demo) { max-width: 100rem; }
.demo {
  --demo-pane-h: min(36rem, 75vh);
  margin: 1em 0;
}
.demo-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5em 0.6em;
  padding: 0.5em;
  background: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.2rem 0.2rem 0 0;
}
.demo-pick-wrap { display: inline-flex; align-items: center; gap: 0.5em; margin-right: auto; }
.demo-pick-wrap[hidden] { display: none; }
.demo-pick-label, .demo-label { font-size: 0.75rem; font-weight: 700; }
.demo select,
.demo button {
  font: inherit;
  font-size: 0.8rem;
  min-height: 2.5rem; /* a touch target */
  padding: 0.35em 0.9em;
  border-radius: 0.2rem;
  color: var(--md-default-fg-color);
  background: var(--md-default-bg-color);
  border: 1px solid var(--md-default-fg-color--lighter);
}
.demo button { font-weight: 600; cursor: pointer; }
.demo button:hover:not(:disabled) { border-color: var(--md-accent-fg-color); }
.demo button:disabled { opacity: 0.55; cursor: default; }
.demo .demo-run {
  color: var(--md-primary-bg-color);
  background: var(--md-primary-fg-color);
  border-color: var(--md-primary-fg-color);
}
.demo .demo-run:hover:not(:disabled) { background: var(--md-primary-fg-color--dark); }
.demo .demo-run[aria-disabled="true"] { opacity: 0.7; cursor: progress; }
.demo button:focus-visible,
.demo select:focus-visible,
.demo textarea:focus-visible,
.demo summary:focus-visible,
.demo-viewer:focus-visible {
  outline: 2px solid var(--md-accent-fg-color);
  outline-offset: 2px;
}
.demo-status {
  margin: 0;
  padding: 0.4em 0.6em;
  min-height: 2.2em;
  font-size: 0.75rem;
  color: var(--md-default-fg-color--light);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-top: 0;
}
.demo-offline {
  margin: 0;
  padding: 0.4em 0.6em;
  font-size: 0.75rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-top: 0;
  border-left: 4px solid #b26a00;
}
.demo-offline[hidden] { display: none; }

.demo-panes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75em;
  margin-top: 0.75em;
}
@media (min-width: 60em) {
  .demo-panes { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: start; }
}
.demo-editor, .demo-viewer { min-width: 0; }
.demo-label { display: block; margin-bottom: 0.25em; }
.demo-code {
  display: block;
  box-sizing: border-box;
  width: 100%;
  height: var(--demo-pane-h);
  margin: 0;
  padding: 0.6em 0.8em;
  font-family: var(--md-code-font-family);
  font-size: 16px; /* not smaller: iOS zooms into a smaller field */
  line-height: 1.5;
  tab-size: 4;
  white-space: pre;
  overflow: auto;
  resize: vertical;
  color: var(--md-code-fg-color);
  background: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lighter);
  border-radius: 0.2rem;
}
.demo-hint { margin: 0.3em 0 0; font-size: 0.7rem; color: var(--md-default-fg-color--light); }
.demo-problem:empty { display: none; }
.demo-error {
  margin: 0.5em 0 0;
  padding: 0.6em 0.9em;
  border-left: 4px solid #c62828;
  background: color-mix(in srgb, #c62828 8%, var(--md-default-bg-color));
  font-size: 0.8rem;
}
.demo-error p { margin: 0.2em 0; }
.demo-error-lead { font-weight: 700; }
.demo-error-message { font-family: var(--md-code-font-family); white-space: pre-wrap; overflow-wrap: anywhere; }
.demo-error pre { margin: 0.4em 0; }
.demo-error .demo-goto { margin-top: 0.3em; }

.demo-viewer-head { display: flex; align-items: center; justify-content: space-between; }
.demo-back { display: none; } /* stacked panes only */
.demo-view {
  height: var(--demo-pane-h);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.2rem;
  background: var(--md-code-bg-color);
  overflow: hidden;
}
.demo-frame { display: block; width: 100%; height: 100%; border: 0; }
.demo-empty { margin: 0; padding: 1.5em 1em; font-size: 0.8rem; color: var(--md-default-fg-color--light); }
@media (max-width: 59.9375em) {
  .demo-back { display: inline-block; min-height: 2.5rem; }
  .demo-view { height: min(32rem, 70vh); }
}
.demo-extras { font-size: 0.75rem; }
.demo-extras:empty { display: none; }
.demo-extras-row { display: flex; align-items: flex-start; gap: 0.75em; padding: 0.4em 0; }
.demo-extras-row > details { flex: 1; min-width: 0; }
/* A plain disclosure, not mkdocs-material's collapsible admonition (no icon, no coloured box). */
.md-typeset .demo-extras details {
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  background: none;
  font-size: inherit;
}
.md-typeset .demo-extras summary { margin: 0; padding: 0.35em 0; border: 0; background: none; font-weight: 600; cursor: pointer; }
.md-typeset .demo-extras summary::before {
  content: "▸";
  position: static;
  display: inline-block;
  width: 1em;
  height: auto;
  background: none;
  -webkit-mask-image: none;
  mask-image: none;
  color: inherit;
}
.md-typeset .demo-extras details[open] > summary::before { content: "▾"; }
.md-typeset .demo-extras summary::after { display: none; }
.demo-extras pre { margin: 0.4em 0; max-height: 24em; overflow: auto; }
@media (max-width: 29.9375em) {
  .demo-extras-row { flex-direction: column; }
}