/* SVG diagrams embedded as <object> for clickable links */
object.diagram {
  display: block;
  max-width: 100%;
  min-height: 200px;
}

/* Diagram container with zoom button */
.diagram-container {
  position: relative;
  display: inline-block;
  max-width: 100%;
}

.diagram-zoom-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.25);
  color: #333;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s, background 0.2s;
}

.diagram-container:hover .diagram-zoom-btn {
  opacity: 1;
}

.diagram-zoom-btn:hover {
  background: rgba(255, 255, 255, 0.5);
}

/* Zoom modal overlay */
.diagram-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.8);
  cursor: zoom-out;
}

.diagram-modal-overlay object.diagram {
  max-width: 90vw;
  max-height: 90vh;
  min-height: auto;
  cursor: default;
}

.diagram-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  transition: background 0.2s;
}

.diagram-modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Inline tags next to headings */
.group-tag,
.element-tag {
  font-size: 0.4em;
  font-weight: 500;
  vertical-align: middle;
  padding: 0.2em 0.8em;
  border-radius: 1em;
  background: var(--md-default-fg-color--lightest);
  color: var(--md-default-fg-color--light);
  white-space: nowrap;
}