.md-typeset .mermaid-panzoom {
  position: relative;
  margin: 1.5rem 0;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.8rem;
  background: var(--md-default-bg-color);
  overflow: hidden;
}

.md-typeset .mermaid-panzoom__stage {
  position: relative;
  overflow: hidden;
  padding: 1rem;
  cursor: grab;
  touch-action: none;
}

.md-typeset .mermaid-panzoom__stage.is-dragging {
  cursor: grabbing;
}

.md-typeset .mermaid-panzoom .mermaid {
  margin: 0;
}

.md-typeset .mermaid-panzoom svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: none;
  user-select: none;
}

.md-typeset .mermaid-panzoom__controls {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  display: flex;
  gap: 0.4rem;
}

.md-typeset .mermaid-panzoom__button {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 999px;
  background: color-mix(in srgb, var(--md-default-bg-color) 88%, transparent);
  color: var(--md-default-fg-color);
  min-width: 2rem;
  height: 2rem;
  padding: 0 0.75rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.md-typeset .mermaid-panzoom__button:hover {
  background: var(--md-accent-fg-color--transparent);
}

.md-typeset .mermaid-panzoom__hint {
  position: absolute;
  left: 1rem;
  bottom: 0.75rem;
  z-index: 1;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--md-default-bg-color) 92%, transparent);
  color: var(--md-default-fg-color--light);
  font-size: 0.72rem;
  line-height: 1;
  pointer-events: none;
}

@media (max-width: 768px) {
  .md-typeset .mermaid-panzoom__hint {
    display: none;
  }
}

/* ── fullscreen overlay ───────────────────────────────────── */

.mermaid-panzoom__overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  box-sizing: border-box;
}

.mermaid-panzoom__overlay-inner {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--md-default-bg-color);
  border-radius: 0.8rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.mermaid-panzoom__overlay-stage {
  flex: 1;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
  padding: 1rem;
  box-sizing: border-box;
}

.mermaid-panzoom__overlay-stage.is-dragging {
  cursor: grabbing;
}

.mermaid-panzoom__overlay-stage svg {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  user-select: none;
}

.mermaid-panzoom__overlay .mermaid-panzoom__controls {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
}

.mermaid-panzoom__overlay .mermaid-panzoom__hint {
  position: absolute;
  left: 1rem;
  bottom: 0.75rem;
}