/* ArcViz viewer. The drawing follows Capella's color code; the frame around
   it stays quiet: a drafting desk under a white sheet. Scoped to .arcviz. */
.arcviz {
  --av-ink: #18222d;
  --av-muted: #55616d;
  --av-rule: #c9d1d9;
  --av-sheet: #ffffff;
  --av-desk: #e9edf1;
  --av-accent: #0b5cad;
  --av-chain: #c2410c;
  --av-space-1: 0.375rem;
  --av-space-2: 0.75rem;
  --av-space-3: 1.25rem;
  /* The tool row and its menus; a host maps these to its own theme. */
  --av-tool-size: 28px;
  --av-tool-gap: 4px;
  --av-tool-fg: var(--av-ink);
  --av-tool-hover: rgba(24, 34, 45, 0.08);
  --av-tool-active: rgba(24, 34, 45, 0.14);
  --av-tool-pressed: rgba(11, 92, 173, 0.12);
  --av-tool-pressed-fg: var(--av-accent);
  --av-tool-pressed-border: rgba(11, 92, 173, 0.35);
  --av-tool-separator: var(--av-rule);
  --av-focus: var(--av-accent);
  --av-badge-bg: var(--av-accent);
  --av-badge-fg: #ffffff;
  --av-menu-bg: var(--av-sheet);
  --av-menu-fg: var(--av-ink);
  --av-menu-border: var(--av-rule);
  --av-menu-hover-bg: var(--av-accent);
  --av-menu-hover-fg: #ffffff;
  --av-menu-hover-border: transparent;
  --av-menu-shadow: 0 6px 18px rgba(24, 34, 45, 0.16);
  color: var(--av-ink);
  font-size: 0.875rem;
  line-height: 1.45;
}

.arcviz *,
.arcviz *::before,
.arcviz *::after {
  box-sizing: border-box;
}

.arcviz .arcviz-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--av-space-2);
  border-bottom: 1px solid var(--av-rule);
}

.arcviz .arcviz-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0 var(--av-space-3);
}

.arcviz .arcviz-tab {
  appearance: none;
  background: none;
  border: 0;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  box-shadow: none;
  color: var(--av-muted);
  cursor: pointer;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: -1px;
  padding: var(--av-space-2) 0 var(--av-space-1);
  transform: none;
}

.arcviz .arcviz-tab:hover {
  color: var(--av-ink);
  filter: none;
}

.arcviz .arcviz-tab[aria-selected='true'] {
  border-bottom-color: var(--av-accent);
  color: var(--av-ink);
}

/* The tool row: 28 px icon buttons and drop-downs in groups between thin
   separators, one line always. A narrow row drops the words of its menus,
   then moves tools into "⋯" (arcviz-toolbar.js); it never wraps or cuts. */
.arcviz .arcviz-tools {
  align-items: center;
  display: flex;
  flex: 1 1 auto;
  flex-wrap: nowrap;
  gap: var(--av-tool-gap);
  min-width: 0;
  overflow: hidden;
  padding: 2px;
}

/* On the standalone page the row shares the bar with the tabs: it takes
   the room left beside them (or a line of its own) and keeps to the right. */
.arcviz .arcviz-bar > .arcviz-tools {
  flex: 1 1 32rem;
}

.arcviz .arcviz-bar > .arcviz-tools > .arcviz-tool-group:first-child {
  margin-left: auto;
}

.arcviz .arcviz-tool-group {
  align-items: center;
  display: flex;
  flex: none;
  gap: var(--av-tool-gap);
}

.arcviz .arcviz-tool-group:not([hidden]) ~ .arcviz-tool-group::before {
  align-self: center;
  background: var(--av-tool-separator);
  content: '';
  height: 16px;
  margin-right: var(--av-tool-gap);
  width: 1px;
}

.arcviz .arcviz-tool {
  align-items: center;
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 5px;
  box-shadow: none;
  color: var(--av-tool-fg);
  cursor: pointer;
  display: inline-flex;
  flex: none;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 400;
  gap: 4px;
  height: var(--av-tool-size);
  justify-content: center;
  line-height: 1;
  min-width: var(--av-tool-size);
  padding: 0 6px;
  transform: none;
  white-space: nowrap;
}

.arcviz .arcviz-tool.arcviz-icon-tool {
  padding: 0;
  width: var(--av-tool-size);
}

.arcviz .arcviz-tool .arcviz-icon {
  flex: none;
}

.arcviz .arcviz-tool:hover {
  background: var(--av-tool-hover);
  filter: none;
}

.arcviz .arcviz-tool:active {
  background: var(--av-tool-active);
}

.arcviz .arcviz-tool[aria-pressed='true'],
.arcviz .arcviz-menu.is-open > .arcviz-tool {
  background: var(--av-tool-pressed);
  border-color: var(--av-tool-pressed-border);
  color: var(--av-tool-pressed-fg);
}

.arcviz .arcviz-tool:disabled,
.arcviz .arcviz-tool[aria-disabled='true'] {
  background: transparent;
  cursor: default;
  opacity: 0.4;
}

.arcviz .arcviz-tool:focus-visible {
  outline: 1px solid var(--av-focus);
  outline-offset: -1px;
}

.arcviz .arcviz-tool[hidden],
.arcviz .arcviz-tools .is-overflowed {
  display: none;
}

.arcviz .arcviz-menu {
  display: inline-flex;
  flex: none;
}

.arcviz .arcviz-menu-button {
  padding: 0 4px 0 6px;
}

.arcviz .arcviz-menu-button .arcviz-icon-caret {
  margin-left: -2px;
  opacity: 0.75;
}

/* The zoom level: figures that do not jiggle the row as they change. */
.arcviz .arcviz-menu-button.is-text {
  font-variant-numeric: tabular-nums;
  justify-content: space-between;
  min-width: 4.5rem;
  padding-left: 8px;
}

.arcviz .arcviz-tools.is-compact .arcviz-menu:not(.keeps-label) .arcviz-tool-label {
  display: none;
}

.arcviz .arcviz-badge {
  align-items: center;
  background: var(--av-badge-bg);
  border-radius: 8px;
  color: var(--av-badge-fg);
  display: inline-flex;
  font-size: 0.6875rem;
  font-weight: 600;
  height: 16px;
  justify-content: center;
  min-width: 16px;
  padding: 0 4px;
}

.arcviz .arcviz-badge[hidden] {
  display: none;
}

/* Menus open under their button, above everything, never cut by the row. */
.arcviz .arcviz-menu-pop {
  background: var(--av-menu-bg);
  border: 1px solid var(--av-menu-border);
  border-radius: 6px;
  box-shadow: var(--av-menu-shadow);
  color: var(--av-menu-fg);
  font-size: 0.8125rem;
  max-width: min(22rem, calc(100vw - 8px));
  min-width: 12rem;
  outline: none;
  overflow: auto;
  padding: 4px;
  position: fixed;
  z-index: 1000;
}

.arcviz .arcviz-menu-pop[hidden] {
  display: none;
}

.arcviz .arcviz-menu-item {
  align-items: center;
  appearance: none;
  background: transparent;
  border: 0;
  border-radius: 4px;
  color: inherit;
  cursor: pointer;
  display: flex;
  font: inherit;
  gap: 6px;
  min-height: 26px;
  padding: 2px 12px 2px 4px;
  text-align: left;
  white-space: nowrap;
  width: 100%;
}

.arcviz .arcviz-menu-item:hover,
.arcviz .arcviz-menu-item:focus-visible {
  background: var(--av-menu-hover-bg);
  color: var(--av-menu-hover-fg);
  outline: 1px solid var(--av-menu-hover-border);
  outline-offset: -1px;
}

.arcviz .arcviz-menu-item[aria-disabled='true'] {
  cursor: default;
  opacity: 0.45;
}

.arcviz .arcviz-menu-item[aria-disabled='true']:hover {
  background: transparent;
  color: inherit;
  outline: 0;
}

.arcviz .arcviz-menu-item[aria-disabled='true']:focus-visible {
  outline: 1px dotted currentColor;
}

.arcviz .arcviz-menu-check {
  display: inline-flex;
  flex: none;
  justify-content: center;
  width: 18px;
}

.arcviz .arcviz-menu-label {
  flex: 1;
}

.arcviz .arcviz-menu-keys {
  font-size: 0.75rem;
  margin-left: 24px;
  opacity: 0.7;
}

.arcviz .arcviz-menu-rule {
  background: var(--av-menu-border);
  height: 1px;
  margin: 4px 6px;
}

.arcviz .arcviz-menu-heading {
  color: var(--av-muted);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 2px 12px 2px 28px;
  text-transform: uppercase;
}

/* The filter menu: kinds of boxes and lines, ticked when shown. */
.arcviz .arcviz-filters-pop {
  max-height: 24rem;
  min-width: 14rem;
  padding: var(--av-space-1) var(--av-space-2);
}

.arcviz .arcviz-filter-title {
  color: var(--av-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin: var(--av-space-1) 0 2px;
  text-transform: uppercase;
}

.arcviz .arcviz-filter {
  align-items: center;
  cursor: pointer;
  display: flex;
  font-size: 0.8125rem;
  gap: var(--av-space-1);
  min-height: 1.5rem;
  white-space: nowrap;
}

.arcviz .hide-ports .av-port {
  display: none;
}

.arcviz .hide-labels .av-edge-label {
  display: none;
}

/* The semantic browser: what refers, the element, what it refers to. */
.arcviz .arcviz-browser {
  display: grid;
  gap: var(--av-space-2);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.arcviz .arcviz-browser-column {
  border-left: 1px solid var(--av-rule);
  min-width: 0;
  padding-left: var(--av-space-2);
}

.arcviz .arcviz-browser-column:first-child {
  border-left: 0;
  padding-left: 0;
}

.arcviz .arcviz-browser h4 {
  color: var(--av-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin: 0 0 var(--av-space-1);
  text-transform: uppercase;
}

.arcviz .arcviz-browser-name {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 var(--av-space-1);
}

.arcviz .arcviz-browser dl {
  display: grid;
  gap: 2px 0;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
}

.arcviz .arcviz-browser dt {
  color: var(--av-muted);
  font-size: 0.75rem;
  margin-top: var(--av-space-1);
}

.arcviz .arcviz-browser dd {
  display: flex;
  flex-wrap: wrap;
  gap: var(--av-space-1);
  margin: 0;
}

.arcviz .arcviz-chip {
  background: var(--av-desk);
  border-radius: 3px;
  font-size: 0.75rem;
  padding: 0 0.375rem;
}

@media (max-width: 720px) {
  .arcviz .arcviz-browser {
    grid-template-columns: minmax(0, 1fr);
  }

  .arcviz .arcviz-browser-column {
    border-left: 0;
    padding-left: 0;
  }
}

.arcviz .arcviz-chain {
  appearance: none;
  background: var(--av-sheet);
  border: 1px solid var(--av-rule);
  border-radius: 3px;
  box-shadow: none;
  color: var(--av-ink);
  cursor: pointer;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  min-height: 1.875rem;
  padding: 0 0.625rem;
  transform: none;
}

.arcviz .arcviz-chain:hover {
  border-color: var(--av-ink);
  filter: none;
}

.arcviz button:focus-visible,
.arcviz .arcviz-stage:focus-visible,
.arcviz summary:focus-visible {
  outline: 2px solid var(--av-accent);
  outline-offset: 2px;
}

.arcviz .arcviz-title {
  color: var(--av-muted);
  margin: var(--av-space-2) 0;
}

.arcviz .arcviz-chains {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: var(--av-space-1);
  margin-bottom: var(--av-space-2);
}

.arcviz .arcviz-pick {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: var(--av-space-1);
  margin-top: var(--av-space-2);
}

.arcviz .arcviz-which {
  margin: var(--av-space-2) 0;
}

.arcviz [hidden] {
  display: none;
}

.arcviz .arcviz-pick select {
  background: var(--av-sheet);
  border: 1px solid var(--av-rule);
  border-radius: 3px;
  color: var(--av-ink);
  font: inherit;
  font-size: 0.8125rem;
  max-width: 100%;
  min-height: 1.875rem;
  padding: 0 0.375rem;
}

.arcviz .arcviz-pick select:focus-visible {
  outline: 2px solid var(--av-accent);
  outline-offset: 2px;
}

.arcviz .arcviz-chains:empty {
  display: none;
}

.arcviz .arcviz-label {
  color: var(--av-muted);
  margin-right: var(--av-space-1);
}

.arcviz .arcviz-chain[aria-pressed='true'] {
  background: var(--av-chain);
  border-color: var(--av-chain);
  color: #ffffff;
}

.arcviz .arcviz-stage {
  background-color: var(--av-desk);
  background-image: radial-gradient(circle, #c3ccd5 1px, transparent 1px);
  background-size: 18px 18px;
  border: 1px solid var(--av-rule);
  cursor: grab;
  /* A workbench host sets --av-stage-height to fill its panel. */
  height: var(--av-stage-height, clamp(26rem, 68vh, 52rem));
  overflow: hidden;
  position: relative;
  /* The stage owns its touches: one finger pans, two pinch. */
  touch-action: none;
  user-select: none;
}

.arcviz .arcviz-stage.is-panning {
  cursor: grabbing;
}

/* A box dragged towards another: the line follows the pointer, the box
   under it is marked. */
.arcviz .arcviz-stage.is-dragging {
  cursor: copy;
}

.arcviz .arcviz-ghost {
  height: 100%;
  left: 0;
  pointer-events: none;
  position: absolute;
  top: 0;
  width: 100%;
}

.arcviz .arcviz-ghost line {
  stroke: var(--av-accent);
  stroke-dasharray: 6 4;
  stroke-width: 2;
}

.arcviz .av-node.is-drop-target > .av-shape {
  stroke: var(--av-accent);
  stroke-width: 3.5;
}

/* Connecting: a round handle on the box or port under the pointer (or on
   the selected box, so Tab reaches it). Dragged to another box or port, it
   draws the line; the ends the host rules out fade meanwhile. The handle
   lives in the frame, not on the sheet, so it keeps its 8 px at any zoom. */
/* The grip that resizes the selected box, and the outline it draws. */
.arcviz .arcviz-grip,
.arcviz .arcviz-resize {
  background: var(--av-sheet);
  border: 1.5px solid var(--av-accent);
  border-radius: 2px;
  box-sizing: border-box;
  cursor: nwse-resize;
  height: 10px;
  left: -5px;
  position: absolute;
  top: -5px;
  width: 10px;
  z-index: 3;
}
.arcviz .arcviz-grip:hover,
.arcviz .arcviz-resize:hover { background: var(--av-accent); }
.arcviz .arcviz-resize[hidden] { display: none; }
.arcviz .arcviz-resize:not(.is-se) { height: 8px; left: -4px; top: -4px; width: 8px; }
.arcviz .arcviz-resize-outline {
  border: 1.5px dashed var(--av-accent);
  border-radius: 3px;
  pointer-events: none;
  position: absolute;
  z-index: 2;
}
.arcviz .is-resizing { cursor: var(--av-resize-cursor, nwse-resize); }

.arcviz .arcviz-handle {
  animation: av-handle-in 120ms ease-out;
  background: var(--av-accent);
  border: 1.5px solid var(--av-sheet);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(24, 34, 45, 0.35);
  box-sizing: border-box;
  cursor: crosshair;
  height: 8px;
  left: -4px;
  position: absolute;
  top: -4px;
  transition: scale 120ms ease-out;
  width: 8px;
  z-index: 2;
}

/* A finger-sized hit area around the dot. */
.arcviz .arcviz-handle::before {
  content: '';
  inset: -7px;
  position: absolute;
}

.arcviz .arcviz-handle:hover,
.arcviz .arcviz-handle:focus-visible,
.arcviz .arcviz-handle[aria-pressed='true'] {
  scale: 1.5;
}

.arcviz .arcviz-handle:focus-visible {
  outline: 2px solid var(--av-accent);
  outline-offset: 3px;
}

@keyframes av-handle-in {
  from {
    opacity: 0;
    scale: 0.5;
  }
}

.arcviz .arcviz-stage.is-connecting {
  cursor: crosshair;
}

.arcviz .is-connecting .av-node:not(.is-connect-target):not(.is-connect-source) > :not(.av-port),
.arcviz .is-connecting .av-port:not(.is-connect-target):not(.is-connect-source),
.arcviz .is-connecting .av-edge {
  opacity: 0.4;
}

.arcviz .av-port.is-drop-target rect {
  stroke: var(--av-accent);
  stroke-width: 2.5;
}

@media (prefers-reduced-motion: reduce) {
  .arcviz .arcviz-handle {
    animation: none;
    transition: none;
  }
}

/* Arrange mode: boxes are what the pointer takes hold of. */
.arcviz .arcviz-stage.is-arranging .av-node {
  cursor: move;
}

.arcviz .arcviz-stage.is-moving .av-edge {
  opacity: 0.35;
}

.arcviz .arcviz-stage:fullscreen {
  height: 100vh;
}

.arcviz .arcviz-canvas {
  left: 0;
  position: absolute;
  top: 0;
  transform-origin: 0 0;
  /* Panned and zoomed on the compositor: no layout while the sheet moves. */
  will-change: transform;
}

.arcviz .arcviz-canvas > svg {
  box-shadow: 0 1px 2px rgba(24, 34, 45, 0.18), 0 8px 24px rgba(24, 34, 45, 0.1);
  display: block;
}

.arcviz .av-node,
.arcviz .av-edge {
  cursor: pointer;
}

.arcviz .av-node:hover > .av-shape {
  stroke-width: 2.4;
}

.arcviz .av-edge:hover .av-line,
.arcviz .av-edge.is-linked .av-line {
  stroke-width: 3;
}

.arcviz .av-node.is-selected > .av-shape {
  stroke: var(--av-ink);
  stroke-dasharray: 5 3;
  stroke-width: 2.4;
}

.arcviz .av-edge.is-selected .av-line {
  stroke-width: 3.6;
}

.arcviz .has-chain .av-node,
.arcviz .has-chain .av-edge {
  opacity: 0.22;
}

.arcviz .has-chain .av-node.in-chain,
.arcviz .has-chain .av-edge.in-chain,
.arcviz .has-chain .av-node:has(.in-chain) {
  opacity: 1;
}

.arcviz .has-chain .av-node.in-chain > .av-shape {
  stroke: var(--av-chain);
  stroke-width: 3;
}

.arcviz .has-chain .av-edge.in-chain .av-line {
  stroke: var(--av-chain);
  stroke-width: 3.2;
}

.arcviz .arcviz-hint,
.arcviz .arcviz-quiet {
  color: var(--av-muted);
  font-size: 0.8125rem;
  margin: var(--av-space-1) 0 0;
}

.arcviz .arcviz-below {
  margin-top: var(--av-space-2);
}

.arcviz .arcviz-details h3 {
  border: 0;
  color: var(--av-ink);
  font-size: 1rem;
  margin: 0 0 var(--av-space-1);
  padding: 0;
}

.arcviz .arcviz-details dl {
  display: grid;
  gap: 2px var(--av-space-2);
  grid-template-columns: max-content minmax(0, 1fr);
  margin: 0;
}

.arcviz .arcviz-details dt {
  color: var(--av-muted);
  text-transform: capitalize;
}

.arcviz .arcviz-details dd {
  margin: 0;
  max-width: 68ch;
  overflow-wrap: anywhere;
}

.arcviz .arcviz-legend {
  align-content: start;
  color: var(--av-muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.8125rem;
  gap: var(--av-space-1) var(--av-space-2);
  justify-content: flex-end;
}

.arcviz .arcviz-key {
  align-items: center;
  display: inline-flex;
  gap: var(--av-space-1);
  white-space: nowrap;
}

.arcviz .arcviz-swatch {
  border: 1.5px solid;
  border-radius: 2px;
  height: 0.75rem;
  width: 1.125rem;
}

.arcviz .arcviz-line {
  border-top: 2px solid;
  width: 1.375rem;
}

.arcviz .arcviz-notes {
  margin-top: var(--av-space-2);
}

.arcviz .arcviz-note,
.arcviz .arcviz-issues {
  border-left: 3px solid #b0730c;
  margin: var(--av-space-2) 0 0;
  max-width: 78ch;
  padding-left: var(--av-space-2);
}

.arcviz .arcviz-issues summary {
  cursor: pointer;
  font-weight: 600;
}

.arcviz .arcviz-issues ul {
  margin: var(--av-space-1) 0 0;
  padding-left: 1.1rem;
}

.arcviz .arcviz-empty {
  color: var(--av-muted);
  max-width: 60ch;
  padding: var(--av-space-3);
}

/* The model tree sits beside the sheet like a project explorer: same
   height, its own scroll, so the drawing never moves when a branch opens. */
.arcviz .arcviz-work {
  display: grid;
  gap: var(--av-space-2);
  grid-template-columns: minmax(14rem, 19rem) minmax(0, 1fr);
}

.arcviz .arcviz-side {
  display: flex;
  flex-direction: column;
  gap: var(--av-space-2);
  height: var(--av-stage-height, clamp(26rem, 68vh, 52rem));
  min-height: 0;
}

/* The host took both the tree and the details: the sheet has the width. */
.arcviz .arcviz-work.is-sideless {
  grid-template-columns: minmax(0, 1fr);
}

.arcviz .arcviz-work.is-sideless .arcviz-side {
  display: none;
}

.arcviz .arcviz-work.is-treeless .arcviz-tree {
  display: none;
}

.arcviz .arcviz-tree,
.arcviz .arcviz-side .arcviz-details {
  background: var(--av-sheet);
  border: 1px solid var(--av-rule);
  overflow: auto;
  padding: var(--av-space-2);
}

.arcviz .arcviz-tree {
  flex: 1 1 40%;
  min-height: 7rem;
}

/* The selection and where it leads: as tall as it needs, up to its share. */
.arcviz .arcviz-side .arcviz-details {
  flex: 0 1 auto;
  max-height: 60%;
}

.arcviz .arcviz-work.is-treeless .arcviz-details {
  max-height: 100%;
}

.arcviz .arcviz-side .arcviz-details {
  font-size: 0.8125rem;
}

.arcviz .arcviz-side .arcviz-details dl {
  gap: 2px var(--av-space-2);
  grid-template-columns: minmax(4.5rem, max-content) minmax(0, 1fr);
}

.arcviz .arcviz-fold {
  margin-top: var(--av-space-2);
}

.arcviz .arcviz-open {
  margin: var(--av-space-2) 0 0 var(--av-space-1);
}

/* The path into an open container: each step back is a button. */
.arcviz .arcviz-crumbs {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: var(--av-space-1);
  margin-bottom: var(--av-space-2);
}

.arcviz .arcviz-crumbs[hidden] {
  display: none;
}

.arcviz .arcviz-crumb {
  appearance: none;
  background: none;
  border: 0;
  border-radius: 2px;
  box-shadow: none;
  color: var(--av-accent);
  cursor: pointer;
  font: inherit;
  min-height: 1.625rem;
  padding: 0 0.25rem;
  text-decoration: underline;
  text-underline-offset: 2px;
  transform: none;
}

.arcviz .arcviz-crumb:hover {
  color: var(--av-ink);
  filter: none;
}

.arcviz .arcviz-crumb-rule {
  color: var(--av-muted);
}

/* Read aloud, not shown: the change it reports is visible on the sheet. */
.arcviz .arcviz-status {
  clip-path: inset(50%);
  height: 1px;
  margin: 0;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.arcviz .arcviz-crumb-here {
  font-weight: 600;
}

.arcviz .av-node.is-context {
  opacity: 0.72;
}

.arcviz .arcviz-tree-title {
  border: 0;
  color: var(--av-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  margin: 0 0 var(--av-space-1);
  padding: 0;
}

.arcviz .arcviz-tree-view > summary {
  cursor: pointer;
  display: flex;
  font-weight: 600;
  gap: var(--av-space-1);
  justify-content: space-between;
  padding: 0.25rem 0;
}

.arcviz .arcviz-count {
  color: var(--av-muted);
  font-variant-numeric: tabular-nums;
  font-weight: 400;
}

.arcviz .arcviz-tree ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Nesting is the information here: each level steps in under a rule. */
.arcviz .arcviz-tree ul ul {
  border-left: 1px solid var(--av-rule);
  margin-left: 0.5rem;
  padding-left: 0.5rem;
}

.arcviz .arcviz-tree-item {
  align-items: center;
  appearance: none;
  background: none;
  border: 0;
  border-radius: 2px;
  box-shadow: none;
  color: var(--av-ink);
  cursor: pointer;
  display: flex;
  font: inherit;
  font-size: 0.8125rem;
  gap: var(--av-space-1);
  min-height: 1.625rem;
  padding: 0 0.25rem;
  text-align: left;
  transform: none;
  width: 100%;
}

.arcviz .arcviz-tree-item .arcviz-swatch {
  flex: none;
  height: 0.625rem;
  width: 0.875rem;
}

.arcviz .arcviz-tree-item:hover {
  background: var(--av-desk);
  filter: none;
}

.arcviz .arcviz-tree-item[aria-current='true'] {
  background: #dbe9f8;
  box-shadow: inset 3px 0 0 var(--av-accent);
  font-weight: 600;
}

.arcviz .arcviz-related {
  border-bottom: 1px solid var(--av-rule);
  margin-bottom: var(--av-space-2);
  padding-bottom: var(--av-space-2);
}

.arcviz .arcviz-side .arcviz-details .arcviz-related dl {
  grid-template-columns: minmax(0, 1fr);
}

.arcviz .arcviz-related h4 {
  color: var(--av-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  margin: 0 0 var(--av-space-1);
}

.arcviz .arcviz-related dd {
  display: flex;
  flex-wrap: wrap;
  gap: var(--av-space-1);
}

/* A way to another layer: reads as a link, sized as a target. */
.arcviz .arcviz-jump {
  appearance: none;
  background: none;
  border: 1px solid var(--av-rule);
  border-radius: 3px;
  box-shadow: none;
  color: var(--av-accent);
  cursor: pointer;
  font: inherit;
  min-height: 1.625rem;
  padding: 0 0.5rem;
  text-align: left;
  transform: none;
}

.arcviz .arcviz-jump:hover {
  border-color: var(--av-accent);
  filter: none;
}

.arcviz .arcviz-print {
  display: none;
}

@media (max-width: 720px) {
  .arcviz .arcviz-work {
    grid-template-columns: minmax(0, 1fr);
  }

  .arcviz .arcviz-side {
    height: auto;
  }

  .arcviz .arcviz-tree {
    max-height: 14rem;
  }

  .arcviz .arcviz-side .arcviz-details {
    max-height: none;
  }

  .arcviz .arcviz-below {
    grid-template-columns: minmax(0, 1fr);
  }

  .arcviz .arcviz-legend {
    justify-content: flex-start;
  }

  .arcviz .arcviz-tabs {
    gap: var(--av-space-2);
  }
}

@media print {
  .arcviz .arcviz-bar,
  .arcviz .arcviz-title,
  .arcviz .arcviz-chains,
  .arcviz .arcviz-crumbs,
  .arcviz .arcviz-work,
  .arcviz .arcviz-hint,
  .arcviz .arcviz-pick,
  .arcviz .arcviz-below {
    display: none;
  }

  .arcviz .arcviz-print {
    display: block;
  }

  .arcviz .arcviz-print-page {
    break-before: page;
    break-inside: avoid;
  }

  .arcviz .arcviz-print-page:first-child {
    break-before: auto;
  }

  .arcviz .arcviz-print-page h3 {
    border-bottom: 1px solid #000;
    font-size: 12pt;
    margin: 0 0 8pt;
    padding-bottom: 4pt;
  }

  .arcviz .arcviz-print-frame svg {
    display: block;
    height: auto;
    max-height: 82vh;
    width: 100%;
  }
}

/* Control nodes and sequence links of the lit functional chain. */
.arcviz .av-chain-graph .av-sequence { stroke: #C2410C; stroke-width: 1.8; stroke-dasharray: 6 4; pointer-events: stroke; }
.arcviz .av-chain-graph .av-sequence-label { font-size: 10px; font-style: italic; fill: #C2410C; paint-order: stroke; stroke: #FFFFFF; stroke-width: 3px; }
.arcviz .av-chain-graph .av-control rect, .arcviz .av-chain-graph .av-control polygon { fill: #C2410C; stroke: #7C2D12; stroke-width: 1; }
.arcviz .av-chain-graph .av-control-label { font-size: 9px; font-weight: 700; fill: #7C2D12; }
.arcviz .av-invariant text { pointer-events: none; }

/* Editing from the drawing (ArcVizEdit, for an editor host only). The ends
   of the selected exchange are discs to drag onto another box or port; its
   runs carry a diamond that adds a bend, its bends a square that moves or,
   double-clicked, removes them. Guides show the edge or center a moved box
   snaps to; a dashed band encloses what a drag on the sheet selects; the
   box under the pointer shows an arrow on each side to connect from. */
.arcviz .arcviz-end,
.arcviz .arcviz-bend,
.arcviz .arcviz-quick {
  box-sizing: border-box;
  position: absolute;
  touch-action: none;
  z-index: 3;
}
.arcviz .arcviz-end {
  background: var(--av-sheet);
  border: 2px solid var(--av-accent);
  border-radius: 50%;
  cursor: move;
  height: 12px;
  left: -6px;
  top: -6px;
  width: 12px;
}
.arcviz .arcviz-end::before,
.arcviz .arcviz-bend::before {
  content: '';
  inset: -5px;
  position: absolute;
}
.arcviz .arcviz-bend::before { inset: -3px; }
.arcviz .arcviz-end:hover { background: var(--av-accent); }
.arcviz .arcviz-bend {
  background: var(--av-sheet);
  border: 1.5px solid var(--av-accent);
  height: 9px;
  left: -4.5px;
  top: -4.5px;
  width: 9px;
}
.arcviz .arcviz-bend.is-new {
  border-radius: 1px;
  cursor: grab;
  opacity: 0.75;
  rotate: 45deg;
}
.arcviz .arcviz-bend.is-waypoint {
  background: var(--av-accent);
  cursor: move;
}
.arcviz .arcviz-bend:hover { opacity: 1; scale: 1.3; }
.arcviz .arcviz-guide {
  background: var(--av-chain);
  left: 0;
  pointer-events: none;
  position: absolute;
  top: 0;
  z-index: 2;
}
.arcviz .arcviz-guide.is-vertical { height: 100%; width: 1px; }
.arcviz .arcviz-guide.is-horizontal { height: 1px; width: 100%; }
.arcviz .arcviz-marquee {
  background: color-mix(in srgb, var(--av-accent) 10%, transparent);
  border: 1px dashed var(--av-accent);
  pointer-events: none;
  position: absolute;
  z-index: 2;
}
.arcviz .arcviz-quick {
  align-items: center;
  background: var(--av-sheet);
  border: 1.5px solid var(--av-accent);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(24, 34, 45, 0.3);
  color: var(--av-accent);
  cursor: crosshair;
  display: flex;
  font: 600 11px/1 system-ui, sans-serif;
  height: 18px;
  justify-content: center;
  left: -9px;
  top: -9px;
  transition: scale 100ms ease-out, background 100ms ease-out;
  width: 18px;
}
.arcviz .arcviz-quick[hidden],
.arcviz .arcviz-end[hidden] { display: none; }
.arcviz .arcviz-quick.is-north { margin-top: -12px; }
.arcviz .arcviz-quick.is-south { margin-top: 12px; }
.arcviz .arcviz-quick.is-east { margin-left: 12px; }
.arcviz .arcviz-quick.is-west { margin-left: -12px; }
.arcviz .arcviz-quick:hover { background: var(--av-accent); color: var(--av-sheet); scale: 1.15; }
.arcviz .is-reconnecting { cursor: crosshair; }
.arcviz .is-reconnecting .av-node:not(.is-connect-target) > :not(.av-port),
.arcviz .is-reconnecting .av-port:not(.is-connect-target) {
  opacity: 0.4;
}
@media (prefers-reduced-motion: reduce) {
  .arcviz .arcviz-quick { transition: none; }
}

/* draw.io's gestures for an editor host: the box an end would land on is
   outlined while a port of it, or the box itself, is the target; a port
   slides along its border; a name is dragged off its line; the selected
   exchange offers its line styles. */
.arcviz .av-node.is-snap-box > .av-shape {
  stroke: var(--av-accent);
  stroke-width: 3;
}
.arcviz .arcviz-stage.is-arranging .av-port { cursor: move; }
.arcviz .av-port.is-selected rect { stroke: var(--av-accent); stroke-width: 2.5; }
.arcviz .arcviz-stage.is-arranging .av-edge-label { cursor: move; }
.arcviz .is-moving-port { cursor: move; }
.arcviz .arcviz-edge-style {
  background: var(--av-sheet);
  border: 1px solid var(--av-accent);
  border-radius: 6px;
  box-shadow: 0 1px 4px rgba(24, 34, 45, 0.25);
  display: flex;
  gap: 1px;
  left: 0;
  padding: 2px;
  position: absolute;
  top: 0;
  transform: translate(-50%, -100%);
  z-index: 4;
}
.arcviz .arcviz-edge-style[hidden] { display: none; }
.arcviz .arcviz-edge-style-option {
  background: transparent;
  border: 0;
  border-radius: 4px;
  color: var(--av-accent);
  cursor: pointer;
  font: 600 12px/1 system-ui, sans-serif;
  height: 22px;
  padding: 0;
  width: 24px;
}
.arcviz .arcviz-edge-style-option:hover { background: color-mix(in srgb, var(--av-accent) 14%, transparent); }
.arcviz .arcviz-edge-style-option[aria-pressed='true'] { background: var(--av-accent); color: var(--av-sheet); }
.arcviz .arcviz-edge-style-option:focus-visible { outline: 2px solid var(--av-accent); outline-offset: 1px; }

/* "⋯" is a menu of its own: no caret beside the dots. */
.arcviz .arcviz-more .arcviz-icon-caret {
  display: none;
}

.arcviz .arcviz-more > .arcviz-menu-button {
  padding: 0;
  width: var(--av-tool-size);
}

/* The offer to tidy up after a move by hand: over the bottom of the sheet, never modal. */
.arcviz .arcviz-tidy-offer {
  position: absolute;
  left: 50%;
  bottom: var(--av-space-3);
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--av-space-1) var(--av-space-2);
  max-width: min(46rem, calc(100% - 2 * var(--av-space-2)));
  padding: var(--av-space-2);
  background: var(--av-menu-bg);
  color: var(--av-menu-fg);
  border: 1px solid var(--av-menu-border);
  border-left: 3px solid var(--av-accent);
  border-radius: 6px;
  box-shadow: var(--av-menu-shadow);
  cursor: default;
  font-size: 0.875rem;
}
.arcviz .arcviz-tidy-text { flex: 1 1 18rem; line-height: 1.35; }
.arcviz .arcviz-tidy-offer button {
  font: inherit;
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  border: 1px solid var(--av-menu-border);
  background: transparent;
  color: inherit;
  cursor: pointer;
}
.arcviz .arcviz-tidy-offer button:hover { background: var(--av-tool-hover); }
.arcviz .arcviz-tidy-offer button:focus-visible { outline: 2px solid var(--av-focus); outline-offset: 1px; }
.arcviz .arcviz-tidy-offer .arcviz-tidy-yes { background: var(--av-accent); border-color: var(--av-accent); color: #ffffff; }
.arcviz .arcviz-tidy-offer .arcviz-tidy-yes:hover { filter: brightness(1.1); background: var(--av-accent); }