:root {
  --md-primary-fg-color: #1a2332;
  --md-accent-fg-color: #58a6ff;
}

[data-md-color-scheme="slate"] {
  --md-default-bg-color: #0f1419;
  --md-default-fg-color: #e6edf3;
  --md-code-bg-color: #1a2332;
  --md-code-fg-color: #e6edf3;
  --md-typeset-a-color: #58a6ff;
}

.md-typeset .mermaid,
.md-typeset .mermaid-diagram {
  background: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.4rem;
  padding: 1rem;
  text-align: center;
}

.md-typeset .mermaid--zoomable {
  cursor: zoom-in;
}

.md-typeset .mermaid--zoomable:hover {
  border-color: var(--md-accent-fg-color);
  box-shadow: 0 0 0 1px var(--md-accent-fg-color);
}

body.pz-lightbox-open {
  overflow: hidden;
}

#pz-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100000;
}

#pz-lightbox[hidden] {
  display: none !important;
}

.pz-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
}

/* Framed panel inside the dimmed page (not edge-to-edge) */
.pz-lightbox__panel {
  position: absolute;
  inset: 3vh 3vw;
  display: flex;
  flex-direction: column;
  background: #0f1419;
  border: 1px solid #30363d;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
}

/* Floating icon toolbar (top-right), like Mermaid fullscreen controls */
.pz-lightbox__controls {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px;
  background: rgba(22, 27, 34, 0.92);
  border: 1px solid #30363d;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}

.pz-lightbox__controls button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin: 0;
  padding: 0;
  cursor: pointer;
  color: #c9d1d9;
  background: transparent;
  border: none;
  border-radius: 6px;
}

.pz-lightbox__controls button:hover {
  color: #f0f6fc;
  background: rgba(88, 166, 255, 0.18);
}

.pz-lightbox__controls button:focus-visible {
  outline: 2px solid #58a6ff;
  outline-offset: 1px;
}

.pz-lightbox__controls button svg {
  width: 18px;
  height: 18px;
  display: block;
}

/* Diagram area fills the rest of the framed panel */
.panzoom-parent {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #0f1419;
  cursor: grab;
}

.panzoom-parent:active {
  cursor: grabbing;
}

.panzoom-parent > .pz-stage {
  flex: 0 0 auto;
  box-sizing: border-box;
  transform-origin: center center;
}

.panzoom-parent > .pz-stage > img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none !important;
  max-height: none !important;
  object-fit: contain;
  pointer-events: none;
}

.md-typeset video {
  display: block;
  max-width: 100%;
  margin: 1rem auto;
  border-radius: 0.4rem;
}