/* Diagram Zoom & Lightbox Styling for MkDocs Material */

.mermaid {
  position: relative;
  cursor: zoom-in;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  border-radius: 8px;
  padding: 12px;
}

.mermaid:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

[data-md-color-scheme="slate"] .mermaid:hover {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.mermaid-zoom-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--md-default-bg-color, #ffffff);
  color: var(--md-default-fg-color, #1e293b);
  border: 1px solid var(--md-default-fg-color--lighter, #cbd5e1);
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  opacity: 0;
  transform: translateY(-2px);
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.15s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  z-index: 10;
}

.mermaid:hover .mermaid-zoom-btn {
  opacity: 1;
  transform: translateY(0);
}

.mermaid-zoom-btn:hover {
  background: var(--md-accent-fg-color, #0284c7);
  color: #ffffff;
  border-color: transparent;
}

/* Modal Overlay */
.diagram-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.diagram-modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Modal Content Container */
.diagram-modal-viewport {
  position: relative;
  width: 92vw;
  height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: grab;
  background: var(--md-default-bg-color, #ffffff);
  border-radius: 12px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.diagram-modal-viewport:active {
  cursor: grabbing;
}

.diagram-modal-content {
  position: absolute;
  transform-origin: center center;
  transition: transform 0.05s ease-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

.diagram-modal-content svg {
  max-width: none !important;
  max-height: none !important;
  width: auto !important;
  height: auto !important;
  display: block;
}

/* Modal Floating Toolbar */
.diagram-modal-toolbar {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(15, 23, 42, 0.85);
  color: #f8fafc;
  padding: 8px 16px;
  border-radius: 9999px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  z-index: 100000;
}

.diagram-modal-toolbar button {
  background: transparent;
  border: none;
  color: #f8fafc;
  font-size: 14px;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, transform 0.1s ease;
}

.diagram-modal-toolbar button:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: scale(1.05);
}

.diagram-modal-toolbar button:active {
  transform: scale(0.95);
}

.diagram-modal-scale-indicator {
  font-size: 13px;
  font-weight: 500;
  min-width: 50px;
  text-align: center;
  color: #94a3b8;
  font-variant-numeric: tabular-nums;
}

.diagram-modal-close-btn {
  position: absolute;
  top: 20px;
  right: 24px;
  background: rgba(15, 23, 42, 0.85);
  color: #f8fafc;
  border: 1px solid rgba(255, 255, 255, 0.15);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, transform 0.1s ease;
  z-index: 100000;
}

.diagram-modal-close-btn:hover {
  background: #ef4444;
  color: #ffffff;
  transform: scale(1.05);
}