.mermaid-container {
  margin: 1em 0;
  position: relative;
}
.mermaid-wrapper {
  border: 1px solid var(--surface0);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
  background: var(--mantle);
}
.mermaid-toolbar {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 20;
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.2s ease;
}
@media (hover: hover) and (pointer: fine) {
  .mermaid-wrapper:hover .mermaid-toolbar {
    opacity: 1;
  }
}
.mermaid-wrapper.is-controls-visible .mermaid-toolbar {
  opacity: 1;
}
.mermaid-view-container {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 200px;
  overflow: hidden;
  cursor: grab;
  display: flex;
  flex-direction: column;
}
.mermaid-view-container:active {
  cursor: grabbing;
}
.mermaid-content {
  width: 100%;
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  box-sizing: border-box;
  transform-origin: center;
  transition: transform 0.2s ease;
}
.mermaid-viewer-grid-panel {
  position: absolute;
  bottom: 8px;
  right: 8px;
  z-index: 10;
  opacity: 0;
  transition: opacity 0.2s ease;
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  gap: 4px;
}
@media (hover: hover) and (pointer: fine) {
  .mermaid-wrapper:hover .mermaid-viewer-grid-panel {
    opacity: 1;
  }
}
.mermaid-wrapper.is-controls-visible .mermaid-viewer-grid-panel {
  opacity: 1;
}
.mermaid-viewer-grid-panel .grid-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}
.mermaid-viewer-grid-panel .empty-cell {
  width: 32px;
  height: 32px;
}
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--base);
  border: 1px solid var(--surface0);
  border-radius: 6px;
  cursor: pointer;
  transition:
    transform 0.2s var(--ease-out),
    color 0.2s ease,
    background-color 0.2s ease;
  backdrop-filter: blur(4px);
  color: var(--text);
  padding: 0;
}
.btn:hover {
  transform: scale(1.05);
}
.btn:active {
  transform: scale(0.95);
}
.btn svg {
  fill: currentColor;
}

@media (max-width: 768px) {
  .mermaid-wrapper {
    border-radius: 3px;
  }
  .btn {
    width: 28px;
    height: 28px;
  }
}