/* Mermaid diagram click-to-expand zoom */

/* Wrapper for diagram + button */
.mermaid-zoom-wrapper {
  position: relative;
  display: inline-block;
  width: 100%;
}

/* Expand button */
.mermaid-zoom-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 10;
  background: var(--md-primary-fg-color, #4051b5);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 0.3rem 0.7rem;
  font-size: 0.75rem;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.mermaid-zoom-btn:hover {
  opacity: 1;
}

/* Fullscreen overlay */
.mermaid-zoom-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  background: rgba(255, 255, 255, 0.97);
  align-items: center;
  justify-content: center;
  padding: 2rem;
  box-sizing: border-box;
  overflow: auto;
  cursor: zoom-out;
}

.mermaid-zoom-overlay.active {
  display: flex;
}

/* Dark mode */
[data-md-color-scheme="slate"] .mermaid-zoom-overlay {
  background: rgba(30, 30, 30, 0.97);
}

/* SVG inside overlay scales nicely */
.mermaid-zoom-overlay svg {
  max-width: 95vw;
  max-height: 90vh;
  width: auto;
  height: auto;
}

/* Close hint */
.mermaid-zoom-close-hint {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.85rem;
  color: var(--md-default-fg-color--light);
  opacity: 0.7;
}