/* Mermaid Diagram Viewer Styles */
.mermaid-viewer-wrapper {
  background-color: #0f172a;
  border: 1px solid #1e293b;
  border-radius: 0.75rem;
  overflow: hidden;
  margin: 2.5rem 0;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  transition: border-color 0.2s ease;
}

.mermaid-viewer-wrapper:hover {
  border-color: #334155;
}

.mermaid-viewer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  background: rgba(15, 23, 42, 0.95);
  border-bottom: 1px solid #1e293b;
  font-family: monospace;
  font-size: 0.75rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mermaid-viewer-tools {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.mermaid-viewer-btn {
  background: #1e293b;
  color: #cbd5e1;
  border: 1px solid #334155;
  padding: 0.35rem 0.65rem;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.2s ease;
  user-select: none;
}

.mermaid-viewer-btn:hover {
  background: #334155;
  color: #ffffff;
  border-color: #475569;
}

.mermaid-viewer-btn.active {
  background: #0001E6;
  color: #ffffff;
  border-color: #0001E6;
}

.mermaid-viewer-body {
  padding: 2rem 1.5rem;
  overflow-x: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 140px;
  background: radial-gradient(circle at center, rgba(30, 41, 59, 0.5) 0%, rgba(15, 23, 42, 1) 100%);
}

.mermaid-viewer-wrapper,
.mermaid-modal {
  line-height: normal;
}

.mermaid-viewer-body svg,
.mermaid-modal-content svg {
  max-width: 100%;
  height: auto;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !important;
}

.mermaid-viewer-body svg foreignObject *,
.mermaid-modal-content svg foreignObject * {
  line-height: 1.2 !important;
  margin: 0 !important;
}

.mermaid-viewer-code {
  display: none;
  padding: 2rem 1.5rem;
  background: #060911;
  min-height: 140px;
  overflow-x: auto;
}

.mermaid-viewer-code code {
  display: block !important;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace !important;
  font-size: 0.85rem !important;
  line-height: 1.6 !important;
  color: #a5b4fc !important;
  background: transparent !important;
  padding: 0 !important;
  margin: 0 !important;
  border-radius: 0 !important;
  white-space: pre-wrap !important;
  word-break: break-word !important;
}

.mermaid-viewer-code code::before,
.mermaid-viewer-code code::after {
  content: none !important;
}

/* Lightbox Modal */
.mermaid-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(3, 7, 18, 0.88);
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease-in-out;
}

.mermaid-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mermaid-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.75rem;
  background: rgba(15, 23, 42, 0.95);
  border-bottom: 1px solid #1e293b;
  color: #fff;
}

.mermaid-modal-content {
  flex: 1;
  padding: 2.5rem;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: grab;
  user-select: none;
  touch-action: none;
}

.mermaid-modal-content:active {
  cursor: grabbing;
}

.mermaid-modal-content svg {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  transform-origin: center center;
  pointer-events: none;
}