/* ------------------------------------------------------------------ */
/* Markdown canvas widget (```canvas blocks in .md files)              */
/* ------------------------------------------------------------------ */
.gallery-md-canvas {
  position: relative;
  margin: 16px 0;
  border: 1px solid var(--gallery-border);
  border-radius: var(--gallery-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Radio inputs — hidden */
.gallery-md-canvas__input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

/* Toggle pill — bottom right, icon-only */
.gallery-md-canvas__toggles {
  position: absolute;
  bottom: 6px;
  right: 6px;
  z-index: 2;
  display: inline-flex;
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--gallery-border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.gallery-md-canvas__label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  cursor: pointer;
  color: var(--gallery-text-muted);
  border-radius: 13px;
  transition:
    background 0.1s ease,
    color 0.1s ease;
}

.gallery-md-canvas__label:hover {
  color: var(--gallery-text);
}

/* Preview and code sections — flex children that stretch to fill */
.gallery-md-canvas__preview {
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.gallery-md-canvas__iframe {
  min-height: 60px;
  flex: 1;
}

.gallery-md-canvas__code,
.gallery-md-canvas__html {
  border-top: 1px solid var(--gallery-border);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.gallery-md-canvas__code .gallery-highlight,
.gallery-md-canvas__html .gallery-highlight,
.gallery-md-canvas__code .gallery-highlight pre,
.gallery-md-canvas__html .gallery-highlight pre {
  margin: 0;
  border: none;
  border-radius: 0;
  flex: 1;
  line-height: 1.15;
  font-size: 0.85em;
}

.gallery-md-canvas__code .gallery-highlight pre,
.gallery-md-canvas__html .gallery-highlight pre {
  padding: 1rem;
  overflow-x: auto;
}

/* Visibility toggles: hidden by default unless their radio is checked */
.gallery-md-canvas__preview,
.gallery-md-canvas__code,
.gallery-md-canvas__html {
  display: none;
}

/* Show preview when preview input is checked */
.gallery-md-canvas__input--preview:checked~.gallery-md-canvas__preview {
  display: flex;
}

/* Show code when code input is checked */
.gallery-md-canvas__input--code:checked~.gallery-md-canvas__code {
  display: flex;
}

/* Show html when html input is checked */
.gallery-md-canvas__input--html:checked~.gallery-md-canvas__html {
  display: flex;
}

/* Active label state */
.gallery-md-canvas__input--preview:checked~.gallery-md-canvas__toggles label[title="Preview"],
.gallery-md-canvas__input--code:checked~.gallery-md-canvas__toggles label[title="Template Source"],
.gallery-md-canvas__input--html:checked~.gallery-md-canvas__toggles label[title="Output HTML"] {
  background: var(--gallery-accent);
  color: #fff;
}