.mermaid-container {
  position: relative;
  overflow: hidden;
  margin: 1.5rem 0;
}

.mermaid-container .mermaid {
  width: 100%;
  min-width: 0;
}

.mermaid-container svg {
  width: 100%;
  height: auto;
  cursor: grab;
  touch-action: none;
  display: block;
}

.mermaid-container svg:active {
  cursor: grabbing;
}

.mermaid-container svg text {
  font-size: 16px !important;
}

.mermaid-controls {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  display: flex;
  gap: 0.35rem;
  padding: 0.35rem 0.45rem;
  background: rgba(17, 24, 39, 0.75);
  border-radius: 0.5rem;
  backdrop-filter: blur(4px);
  z-index: 2;
}

.mermaid-controls button {
  border: none;
  color: #ffffff;
  background: transparent;
  width: 2rem;
  height: 2rem;
  border-radius: 0.35rem;
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s ease;
}

.mermaid-controls button:hover,
.mermaid-controls button:focus-visible {
  background: rgba(255, 255, 255, 0.18);
  outline: none;
}

.mermaid-controls button:active {
  background: rgba(255, 255, 255, 0.28);
}

@media (max-width: 768px) {
  .mermaid-controls {
    top: 0.5rem;
    right: 0.5rem;
  }
}