.mermaid-container {
  position: relative;
  overflow-x: auto;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  margin: 1.5em 0;
  background: #fafafa;
  max-width: 100%;
}

.mermaid-container .mermaid {
  display: flex;
  justify-content: center;
  padding: 1em;
  min-height: 200px;
  cursor: grab;
  user-select: none;
}

.mermaid-container.dragging .mermaid {
  cursor: grabbing;
}

.mermaid-container:not(.mermaid-fullscreen) svg {
  max-width: 100%;
  width: 100%;
  height: auto;
}

.mermaid-controls {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  gap: 5px;
  z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  padding: 5px;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.mermaid-controls button {
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 3px;
  padding: 5px 10px;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.2s;
}

.mermaid-controls button:hover {
  background: #f0f0f0;
}

.mermaid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9998;
  display: none;
}

.mermaid-fullscreen {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 95vw;
  max-width: 3000px;
  max-height: 95vh;
  z-index: 9999;
  background: white;
  overflow: auto;
  padding: 20px;
  border: 2px solid #333;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.mermaid-zoomed {
  transform-origin: center center;
  transition: transform 0.3s ease;
}