:root {
  --bg: #0f0f14;
  --bg-elev: #1a1a24;
  --bg-elev-2: #22222f;
  --border: #2a2a3a;
  --border-strong: #3a3a4d;
  --text: #e0e0e0;
  --text-dim: #8a8a99;
  --text-faint: #5a5a68;
  --accent: #7c5cff;
  --accent-2: #4ad2c9;
  --link: #6ea8ff;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  --sidebar-w: 300px;
  /* Height of the fixed .site-disclaimer; views that fill the viewport pad by
     this so their content isn't hidden underneath it. Kept in sync by JS. */
  --disclaimer-h: 52px;

  /* Theme-dependent surfaces / diagram colors */
  --strong-text: #ffffff;
  --topbar-bg: rgba(15, 15, 20, 0.85);
  --panel-bg: rgba(26, 26, 36, 0.9);
  --glow-1: rgba(124, 92, 255, 0.05);
  --glow-2: rgba(74, 210, 201, 0.04);
  --active-row: rgba(124, 92, 255, 0.16);
  --node-label: #f2f3f8;
  --cluster-label: #c7c9d6;
  --edge-label: #b9bbc9;
  --edge-label-bg: #161620;
  --code-bg: #12121a;
  --node-shadow: 0 2px 5px rgba(0, 0, 0, 0.45);
  --node-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.6);
}

:root[data-theme="light"] {
  --bg: #f4f5f9;
  --bg-elev: #ffffff;
  --bg-elev-2: #e7e9f1;
  --border: #cdd0dd;
  --border-strong: #adb1c3;
  --text: #1b1e27;
  --text-dim: #4c5162;
  --text-faint: #767c8d;
  --accent: #5a3cf0;
  --accent-2: #0d8f87;
  --link: #2f57cf;
  --shadow: 0 12px 40px rgba(20, 22, 40, 0.18);

  --strong-text: #0f111a;
  --topbar-bg: rgba(255, 255, 255, 0.9);
  --panel-bg: rgba(255, 255, 255, 0.94);
  --glow-1: rgba(124, 92, 255, 0.07);
  --glow-2: rgba(13, 143, 135, 0.06);
  --active-row: rgba(90, 60, 240, 0.16);
  --node-label: #1b1e27;
  --cluster-label: #363a4a;
  --edge-label: #363a4a;
  --edge-label-bg: #e7e9f1;
  --code-bg: #eef0f6;
  --node-shadow: 0 2px 6px rgba(20, 22, 40, 0.2);
  --node-shadow-hover: 0 4px 14px rgba(20, 22, 40, 0.28);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
}

/* ── Top bar ─────────────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.25rem;
  background: var(--topbar-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 30;
}

.menu-toggle {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 1.15rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background 0.15s ease,
    border-color 0.15s ease;
}

.menu-toggle:hover {
  background: var(--bg-elev-2);
  border-color: var(--border-strong);
}

.theme-toggle {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background 0.15s ease,
    border-color 0.15s ease;
}

.theme-toggle:hover {
  background: var(--bg-elev-2);
  border-color: var(--border-strong);
}

.topbar .brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  color: var(--strong-text);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.topbar .brand img {
  height: 22px;
  width: auto;
}

.topbar .brand .divider {
  width: 1px;
  height: 20px;
  background: var(--border-strong);
  margin: 0 0.2rem;
}

.topbar .brand .sub {
  font-weight: 500;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.topbar .spacer {
  flex: 1;
}

/* ── View tabs (Diagram / Capability Map) ────────────────── */
.tabs {
  display: flex;
  gap: 0.2rem;
  padding: 0.22rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.tab {
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 0.95rem;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background 0.18s ease,
    color 0.18s ease,
    box-shadow 0.18s ease;
}

.tab:hover {
  color: var(--text);
  background: var(--bg-elev-2);
}

.tab.active {
  background: linear-gradient(
    135deg,
    var(--accent),
    var(--accent-2, var(--accent))
  );
  color: #fff;
  box-shadow: 0 2px 10px -2px var(--accent);
}
.tab.active:hover {
  color: #fff;
}

.search {
  position: relative;
  width: min(360px, 40vw);
}

.search input {
  width: 100%;
  height: 36px;
  padding: 0 2.2rem 0 0.85rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s ease;
}

.search input:focus {
  border-color: var(--accent);
}
.search input::placeholder {
  color: var(--text-faint);
}

.search .clear {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-faint);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  display: none;
}

.search.has-value .clear {
  display: block;
}

.match-count {
  font-size: 0.78rem;
  color: var(--text-dim);
  white-space: nowrap;
  min-width: 74px;
}

/* ── Sidebar (content structure) ─────────────────────────── */
.sidebar {
  position: fixed;
  top: 56px;
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  transform: translateX(-100%);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 20;
  display: flex;
  flex-direction: column;
}

body.sidebar-open .sidebar {
  transform: translateX(0);
}

body.sidebar-open .canvas {
  left: var(--sidebar-w);
}

body.sidebar-open .zoom-controls {
  left: calc(var(--sidebar-w) + 1.25rem);
}

.sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.sidebar-head button {
  background: none;
  border: none;
  color: var(--text-faint);
  font-size: 0.72rem;
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
}

.sidebar-head button:hover {
  color: var(--text);
}

.view-picker {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
}

.view-picker:not(.cap-picker) {
  padding-top: 0.7rem;
}

.view-picker label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  min-width: 72px;
}

.cap-picker {
  padding-bottom: 0.35rem;
}

.filter-options {
  padding: 0.15rem 1rem 0.7rem;
  border-bottom: 1px solid var(--border);
}

.grey-toggle {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
}

.grey-toggle input {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
  cursor: pointer;
  flex: none;
}

.view-picker select {
  flex: 1;
  min-width: 0;
  height: 32px;
  padding: 0 0.5rem;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 0.82rem;
  cursor: pointer;
  outline: none;
  text-overflow: ellipsis;
}

.view-picker select:focus {
  border-color: var(--accent);
}

.pathway-download {
  padding: 0.3rem 1rem 0.6rem;
}

.pathway-download a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev-2);
  color: var(--text-dim);
  font-size: 0.75rem;
  text-decoration: none;
  transition:
    border-color 0.15s,
    color 0.15s;
}

.pathway-download a::before {
  content: "↓";
  font-size: 0.85rem;
}

.pathway-download a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.sidebar-tree {
  overflow-y: auto;
  flex: 1;
  padding: 0.4rem 0.5rem 2rem;
}

.stage-group {
  margin-bottom: 0.15rem;
}

.stage-group-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.55rem;
  border-radius: 7px;
  cursor: pointer;
  user-select: none;
  transition: background 0.12s ease;
}

.stage-group-head:hover {
  background: var(--bg-elev-2);
}

.stage-group-head .swatch {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
}

.stage-group-head .name {
  flex: 1;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stage-group-head .count {
  font-size: 0.7rem;
  color: var(--text-faint);
}

.stage-group-head .chevron {
  color: var(--text-faint);
  font-size: 0.7rem;
  transition: transform 0.15s ease;
}

.stage-group.collapsed .chevron {
  transform: rotate(-90deg);
}

.stage-group-stages {
  overflow: hidden;
}

.stage-group.collapsed .stage-group-stages {
  display: none;
}

.stage-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.55rem 0.4rem 1.5rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.35;
  transition:
    background 0.12s ease,
    color 0.12s ease;
}

.stage-row:hover {
  background: var(--bg-elev-2);
  color: var(--text);
}

.stage-row.active {
  background: var(--active-row);
  color: var(--strong-text);
}

.stage-row .bar {
  width: 3px;
  align-self: stretch;
  border-radius: 2px;
  flex-shrink: 0;
}

.stage-row.hidden,
.stage-group.hidden {
  display: none;
}

.stage-row.dimmed {
  opacity: 0.32;
  filter: grayscale(0.6);
}

.stage-row.dimmed:hover {
  opacity: 0.7;
}

.sidebar-empty {
  padding: 1rem;
  color: var(--text-faint);
  font-size: 0.82rem;
  text-align: center;
}

/* ── Diagram canvas ──────────────────────────────────────── */
.canvas {
  position: fixed;
  inset: 56px 0 0 0;
  overflow: hidden;
  transition: left 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  background:
    radial-gradient(circle at 20% 20%, var(--glow-1), transparent 40%),
    radial-gradient(circle at 80% 80%, var(--glow-2), transparent 40%),
    var(--bg);
}

.canvas svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* ── Capability Map (alternative radial view) ────────────── */
.mapview {
  position: fixed;
  inset: 56px 0 0 0;
  overflow: hidden;
  display: none;
  transition: left 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  background:
    radial-gradient(circle at 20% 20%, var(--glow-1), transparent 40%),
    radial-gradient(circle at 80% 80%, var(--glow-2), transparent 40%),
    var(--bg);
}

.mapview svg {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}

.mapview svg:active {
  cursor: grabbing;
}

body.sidebar-open .mapview {
  left: var(--sidebar-w);
}

/* Mode switching: show the active map + its legend, hide diagram chrome. */
body.mode-map .canvas,
body.mode-stage-group .canvas,
body.mode-stagephase .canvas {
  display: none;
}
body.mode-map #mapview {
  display: block;
}
body.mode-stage-group #stage-group-view {
  display: block;
}
body.mode-stagephase #stagephaseview {
  display: block;
}
body.mode-map .zoom-controls,
body.mode-map .legend,
body.mode-map .hint,
body.mode-stage-group .zoom-controls,
body.mode-stage-group .legend,
body.mode-stage-group .hint,
body.mode-stagephase .zoom-controls,
body.mode-stagephase .legend,
body.mode-stagephase .hint {
  display: none;
}
body.mode-map .filter-options,
body.mode-stage-group .filter-options,
body.mode-stage-group .cap-picker,
body.mode-stagephase .filter-options,
body.mode-stagephase .cap-picker {
  display: none;
}
/* Scope toggle is inert on the board (SCOPE_ nodes aren't stages, so they
   never appear anyway). */
body.mode-stagephase #scope-toggle,
body.mode-stagephase label:has(#scope-toggle) {
  display: none;
}
body:not(.mode-map) #map-legend {
  display: none;
}
body:not(.mode-stage-group) #stage-group-legend {
  display: none;
}

/* Scope toggle control (top-left), available in both views. */
.map-controls {
  position: fixed;
  top: 70px;
  left: calc(var(--sidebar-w) + 1.1rem);
  z-index: 15;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  background: color-mix(in srgb, var(--bg-elev) 82%, transparent);
  backdrop-filter: blur(9px);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.5rem 0.7rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}
body:not(.sidebar-open) .map-controls {
  left: 1.1rem;
}
.map-controls .grey-toggle {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  color: var(--text);
  cursor: pointer;
}
.map-controls .grey-toggle input {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
  cursor: pointer;
}

.map-edges path {
  fill: none;
  stroke: var(--text);
  stroke-opacity: 0.55;
  stroke-width: 0.6;
  transition: stroke-opacity 0.2s ease;
}
.map-edges path.dim {
  stroke-opacity: 0.05;
}
.arrowhead {
  fill: var(--text);
  fill-opacity: 0.7;
}

.map-node {
  cursor: pointer;
}
.map-node polygon {
  fill-opacity: 0.78;
  stroke-width: 1.4;
  transition:
    fill-opacity 0.15s ease,
    opacity 0.2s ease;
}
.map-node:hover polygon {
  fill-opacity: 1;
  stroke: #fff;
}
.map-node.dim {
  opacity: 0.1;
}
.map-node.hi polygon {
  fill-opacity: 1;
  filter: drop-shadow(0 0 6px currentColor);
}
.map-node.selected polygon {
  fill-opacity: 1;
  stroke: var(--accent) !important;
  stroke-width: 3px;
  filter: drop-shadow(0 0 8px var(--accent));
}
.map-node.connector polygon {
  fill-opacity: 0.5;
  stroke-opacity: 0.7;
}

.node-name {
  font-size: 3.9px;
  font-weight: 500;
  fill: var(--text-dim);
  pointer-events: none;
  paint-order: stroke;
  stroke: var(--bg);
  stroke-width: 1.4px;
  stroke-linejoin: round;
}
.map-node.connector .node-name {
  font-style: italic;
  opacity: 0.75;
}
.map-node:hover .node-name {
  fill: var(--text);
  font-weight: 600;
}

.map-caplabels text {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  pointer-events: none;
  paint-order: stroke;
  stroke: var(--bg);
  stroke-width: 4px;
  stroke-linejoin: round;
  transition: opacity 0.2s ease;
}
.map-caplabels text.dim {
  opacity: 0.22;
}

.map-hub .hub-disc {
  fill: color-mix(in srgb, var(--bg-elev-2) 55%, transparent);
  stroke: var(--border-strong);
  stroke-opacity: 0.65;
  stroke-width: 1.4;
  stroke-dasharray: 4 5;
}
.map-hub .hub-label {
  fill: var(--text-dim);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-anchor: middle;
  pointer-events: none;
  paint-order: stroke;
  stroke: var(--bg);
  stroke-width: 4px;
  stroke-linejoin: round;
}

.map-legend {
  position: fixed;
  left: calc(var(--sidebar-w) + 1.1rem);
  bottom: 1.1rem;
  z-index: 15;
  width: 224px;
  background: color-mix(in srgb, var(--bg-elev) 82%, transparent);
  backdrop-filter: blur(9px);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.6rem 0.7rem;
  max-height: 62vh;
  overflow-y: auto;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.32);
}

.map-legend h3 {
  margin: 0 0 0.4rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}
.map-legend h3 .caret {
  transition: transform 0.2s ease;
  font-size: 0.8rem;
}
.map-legend.collapsed h3 {
  margin-bottom: 0;
}
.map-legend.collapsed h3 .caret {
  transform: rotate(-90deg);
}
.map-legend.collapsed #map-legend-items,
.map-legend.collapsed #stage-group-legend-items {
  display: none;
}

.map-legend-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.22rem 0.3rem;
  border-radius: 7px;
  cursor: pointer;
  font-size: 0.78rem;
  color: var(--text);
  transition: background 0.12s ease;
}
.map-legend-row:hover {
  background: var(--bg-elev-2);
}
.map-legend-row.selected {
  background: color-mix(in srgb, var(--accent) 26%, transparent);
  font-weight: 600;
}
.map-legend-row.selected:hover {
  background: color-mix(in srgb, var(--accent) 32%, transparent);
}
.map-legend-row .swatch {
  width: 11px;
  height: 11px;
  border-radius: 3px;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12);
}
.map-legend-row .name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.map-legend-row .count {
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  font-size: 0.74rem;
}

.canvas g.node > rect,
.canvas g.node > polygon,
.canvas g.node > path,
.canvas g.node > circle,
.canvas g.node > ellipse {
  filter: drop-shadow(var(--node-shadow));
  transition:
    fill 0.15s ease,
    stroke 0.15s ease;
}

.canvas g.node .nodeLabel,
.canvas g.node .label,
.canvas g.node span,
.canvas g.node text {
  fill: var(--node-label) !important;
  color: var(--node-label) !important;
  font-weight: 500 !important;
}

.canvas g.cluster .cluster-label,
.canvas g.cluster text,
.canvas g.cluster span {
  fill: var(--cluster-label) !important;
  color: var(--cluster-label) !important;
  font-weight: 700 !important;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 0.85em;
}

/* The elk layout renderer wraps each edge label in its own <g class="edgeLabel">
   (mermaid's default theme CSS also targets that same class expecting it to be
   the inline text run) — background on that outer, unsized <g> paints an
   oversized, badly-shaped box, so it's explicitly neutralized here. */
.canvas g.edgeLabel {
  background: none !important;
}
/* Mermaid nests a block <p> inside the inline edgeLabel <span>; giving both
   elements padding triggers a block-in-inline box-fragmentation bug that
   massively inflates the rendered height and hides the text behind an
   oversized dark box, so background/padding/border-radius live on the <p>
   only — the <span> just carries the text color. */
.canvas .edgeLabel span {
  color: var(--edge-label) !important;
  font-size: 0.8em;
}
.canvas .edgeLabel p {
  color: var(--edge-label) !important;
  background: var(--edge-label-bg) !important;
  border-radius: 5px;
  padding: 1px 5px;
  font-size: 0.8em;
}

.canvas .edgePath path,
.canvas .flowchart-link {
  stroke-width: 1.4px;
}

/* Interactive node affordances */
.canvas .wf-clickable {
  cursor: pointer;
}
.canvas .wf-clickable:hover {
  filter: brightness(1.22);
}
.canvas .wf-clickable:hover > rect,
.canvas .wf-clickable:hover > polygon,
.canvas .wf-clickable:hover > path {
  filter: drop-shadow(var(--node-shadow-hover));
}

.canvas .wf-dim {
  opacity: 0.08;
  transition: opacity 0.2s ease;
}

/* Matches highlighted while a capability/search filter is active. */
.canvas .wf-match {
  transition: filter 0.2s ease;
  filter: drop-shadow(0 0 7px var(--accent)) drop-shadow(0 0 2px var(--accent));
}
.canvas .wf-match > rect,
.canvas .wf-match > polygon,
.canvas .wf-match > path {
  stroke: var(--accent) !important;
  stroke-width: 3px !important;
}
.canvas .wf-hit {
  outline: none;
}
.canvas .wf-hit > rect,
.canvas .wf-hit > polygon,
.canvas .wf-hit > path {
  stroke: var(--accent-2) !important;
  stroke-width: 3px !important;
}

.canvas .wf-selected > rect,
.canvas .wf-selected > polygon,
.canvas .wf-selected > path {
  stroke: var(--accent) !important;
  stroke-width: 3.5px !important;
}

.canvas .wf-stage-group-dim {
  opacity: 0.18;
  transition: opacity 0.2s ease;
}

/* ── Loading / error overlay ─────────────────────────────── */
.overlay {
  position: fixed;
  inset: 56px 0 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
  color: var(--text-dim);
  z-index: 20;
  pointer-events: none;
}

.overlay.hidden {
  display: none;
}

.spinner {
  width: 34px;
  height: 34px;
  border: 3px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.overlay .err {
  max-width: 520px;
  text-align: center;
  color: #ff8a8a;
  padding: 1rem 1.5rem;
  line-height: 1.6;
}

/* ── Zoom controls ───────────────────────────────────────── */
.zoom-controls {
  position: fixed;
  bottom: 1.25rem;
  left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  z-index: 25;
}

.zoom-controls button {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 1.15rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background 0.15s ease,
    border-color 0.15s ease;
}

.zoom-controls button:hover {
  background: var(--bg-elev-2);
  border-color: var(--border-strong);
}

/* ── Phase legend ────────────────────────────────────────── */
.legend {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  max-width: 240px;
  max-height: 45vh;
  overflow-y: auto;
  background: var(--panel-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem;
  z-index: 25;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.legend.collapsed {
  transform: translateY(calc(100% - 44px));
}

.legend h3 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.legend h3 .toggle {
  color: var(--text-faint);
  font-size: 0.9rem;
}

.legend .item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.3rem;
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--text-dim);
  cursor: pointer;
  transition:
    background 0.12s ease,
    color 0.12s ease;
}

.legend .item:hover {
  background: var(--bg-elev-2);
  color: var(--text);
}

.legend .item .swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
}

/* ── Detail drawer ───────────────────────────────────────── */
.drawer {
  position: fixed;
  top: 56px;
  right: 0;
  bottom: 0;
  width: min(560px, 92vw);
  background: var(--bg-elev);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow);
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 40;
  display: flex;
  flex-direction: column;
}

.drawer.open {
  transform: translateX(0);
}

.drawer-head {
  padding: 1.1rem 1.4rem 0.9rem;
  border-bottom: 1px solid var(--border);
}

.drawer-head-top {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.drawer-head-top .close {
  margin-left: auto;
}

.drawer-modified {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

.drawer-head .stage-group-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  color: #fff;
}

.drawer-head .stage-phase-tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  color: #fff;
  background: #555;
}

.drawer-head .stage-phase-tag[data-phase="plan"] {
  background: #5aa9ff;
}

.drawer-head .stage-phase-tag[data-phase="do"] {
  background: #ff9f45;
}

.drawer-head .stage-phase-tag[data-phase="run"] {
  background: #4ad2c9;
}

.drawer-head h2 {
  font-size: 1.25rem;
  color: var(--strong-text);
  line-height: 1.35;
  padding-right: 2rem;
}

.drawer-head .tags {
  margin-top: 0.6rem;
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.drawer-head .tags .tag {
  font-size: 0.7rem;
  color: var(--accent-2);
  border: 1px solid rgba(74, 210, 201, 0.35);
  border-radius: 5px;
  padding: 0.12rem 0.45rem;
}

.drawer-head .tags .tag.cap {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}

.drawer .close {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--bg-elev-2);
  color: var(--text-dim);
  font-size: 1.1rem;
  cursor: pointer;
  line-height: 1;
}

.drawer .close:hover {
  color: var(--text);
}

.drawer-edit-toggle {
  font-size: 0.72rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  letter-spacing: 0.02em;
  transition:
    background 0.15s ease,
    color 0.15s ease;
}

.drawer-edit-toggle:hover {
  background: var(--bg-elev-2);
  color: var(--text);
}

.drawer-editor {
  padding: 0.85rem 1.4rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.drawer-editor[hidden] {
  display: none;
}

.drawer-editor .editor-row {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.drawer-editor label,
.drawer-editor .editor-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.drawer-editor input[type="text"],
.drawer-editor select {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.5rem;
  font-size: 0.85rem;
  color: var(--text);
  font-family: inherit;
}

.drawer-editor input[type="text"]:focus,
.drawer-editor select:focus {
  outline: none;
  border-color: var(--accent);
}

.drawer-editor .editor-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.9rem;
}

.drawer-editor .editor-checks label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  text-transform: none;
  letter-spacing: normal;
  color: var(--text);
  cursor: pointer;
}

.drawer-editor .editor-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.15rem;
}

.drawer-editor .editor-actions button {
  font-size: 0.78rem;
  padding: 0.35rem 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev-2);
  color: var(--text);
  cursor: pointer;
}

.drawer-editor .editor-actions button:hover:not(:disabled) {
  background: var(--border);
}

.drawer-editor .editor-actions button:disabled {
  opacity: 0.6;
  cursor: default;
}

.drawer-editor .editor-actions .editor-save {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.drawer-editor .editor-status {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.drawer-editor .editor-status.ok {
  color: var(--accent-2);
}

.drawer-editor .editor-status.err {
  color: #ff8a8a;
}

.drawer-links {
  display: flex;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.drawer-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--link);
  text-decoration: none;
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  padding: 0.35rem 0.7rem;
  transition: background 0.15s ease;
}

.drawer-links a:hover {
  background: var(--bg-elev-2);
}

.drawer-body {
  padding: 1.25rem 1.4rem 3rem;
  overflow-y: auto;
  flex: 1;
  line-height: 1.65;
  font-size: 0.9rem;
}

.drawer-body .content-loading {
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Rendered markdown */
.md h1,
.md h2,
.md h3,
.md h4 {
  color: var(--strong-text);
  margin: 1.3rem 0 0.6rem;
  line-height: 1.3;
}
.md h1 {
  font-size: 1.3rem;
}
.md h2 {
  font-size: 1.08rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}
.md h3 {
  font-size: 0.98rem;
  color: var(--accent-2);
}
.md h4 {
  font-size: 0.9rem;
  color: var(--text);
}
.md p {
  margin: 0.55rem 0;
  color: var(--text);
}
.md ul,
.md ol {
  margin: 0.55rem 0 0.55rem 1.3rem;
}
.md li {
  margin: 0.3rem 0;
}
.md strong {
  color: var(--strong-text);
}
.md a {
  color: var(--link);
}
.md code {
  background: var(--bg-elev-2);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.85em;
  font-family: "SF Mono", Menlo, Consolas, monospace;
}
.md pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  overflow-x: auto;
  margin: 0.7rem 0;
}
.md pre code {
  background: none;
  padding: 0;
}
.md blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 0.9rem;
  margin: 0.7rem 0;
  color: var(--text-dim);
}
.md table {
  border-collapse: collapse;
  width: 100%;
  margin: 0.7rem 0;
  font-size: 0.85rem;
}
.md th,
.md td {
  border: 1px solid var(--border);
  padding: 0.4rem 0.6rem;
  text-align: left;
}
.md th {
  background: var(--bg-elev-2);
  color: var(--strong-text);
}
.md hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.2rem 0;
}

/* ── Hint pill ───────────────────────────────────────────── */
.hint {
  position: fixed;
  top: 68px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  z-index: 25;
  transition: opacity 0.4s ease;
}

.hint.hidden {
  opacity: 0;
  pointer-events: none;
}

@media (max-width: 900px) {
  /* On narrow screens the sidebar overlays the canvas instead of pushing it. */
  body.sidebar-open .canvas {
    left: 0;
  }
  body.sidebar-open .zoom-controls {
    left: 1.25rem;
  }
  .sidebar {
    box-shadow: var(--shadow);
  }
}

@media (max-width: 640px) {
  .topbar .brand .sub {
    display: none;
  }
  .search {
    width: 50vw;
  }
  .match-count {
    display: none;
  }
}

/* ── Plan / Do / Run view ────────────────────────────────── */
/* Each column scrolls on its own, so the three headers stay put and the
   footer stays pinned to the bottom instead of scrolling away. */
#stagephase-board {
  height: 100%;
  /* Bottom padding clears the fixed .site-disclaimer, which sits above this
     view at z-index 200 and would otherwise cover the last cards. */
  padding: 1.1rem 1.3rem calc(var(--disclaimer-h) + 0.6rem);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 0.9rem;
  box-sizing: border-box;
  overflow: hidden;
}

.sp-column {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--sp-color) 4%, var(--bg-elev));
  overflow: hidden;
}

.sp-column-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid color-mix(in srgb, var(--sp-color) 30%, var(--border));
  background: color-mix(in srgb, var(--sp-color) 13%, var(--bg-elev));
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  font-size: 0.74rem;
  color: var(--strong-text);
}
.sp-column-head .sp-dot {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--sp-color);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sp-color) 22%, transparent);
}
.sp-column-head .sp-column-name {
  min-width: 0;
}
.sp-column-head .sp-count {
  margin-left: auto;
  flex-shrink: 0;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--sp-color) 22%, transparent);
  color: var(--strong-text);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.sp-column-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
/* Slim scrollbar so it doesn't crowd the cards. */
.sp-column-body::-webkit-scrollbar {
  width: 9px;
}
.sp-column-body::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border: 3px solid transparent;
  border-radius: 999px;
  background-clip: content-box;
}
.sp-column-body::-webkit-scrollbar-track {
  background: transparent;
}

.sp-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  flex-shrink: 0;
  padding: 0.55rem 0.7rem 0.55rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-elev);
  color: var(--text);
  font: inherit;
  font-size: 0.83rem;
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
  transition:
    background 0.14s ease,
    border-color 0.14s ease,
    box-shadow 0.14s ease,
    transform 0.14s ease,
    opacity 0.15s ease;
}
/* Phase accent as an inset bar, so the card keeps a uniform 1px border. */
.sp-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--sp-color);
  transition: top 0.14s ease, bottom 0.14s ease;
}
.sp-card:hover {
  background: var(--bg-elev-2);
  border-color: color-mix(in srgb, var(--sp-color) 55%, var(--border));
  transform: translateY(-1px);
  box-shadow: var(--node-shadow);
}
.sp-card:hover::before {
  top: 0;
  bottom: 0;
}
.sp-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.sp-card .sp-card-title {
  font-weight: 600;
  color: var(--strong-text);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.sp-card .sp-card-meta {
  display: flex;
  align-items: center;
  gap: 0.34rem;
  max-width: 100%;
  font-size: 0.7rem;
  color: var(--text-dim);
}
.sp-card .sp-card-swatch {
  width: 6px;
  height: 6px;
  flex-shrink: 0;
  border-radius: 50%;
}
.sp-card.sp-dim {
  opacity: 0.28;
  filter: saturate(0.35);
}
.sp-card.sp-dim:hover {
  opacity: 0.55;
  transform: none;
}
.sp-card.sp-hit {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 1px var(--accent-2);
}
.sp-card.sp-selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent);
  background: var(--bg-elev-2);
}

.sp-empty {
  margin: auto;
  padding: 1.2rem 0.5rem;
  font-size: 0.78rem;
  color: var(--text-faint);
  text-align: center;
  font-style: italic;
}

.sp-footer {
  grid-column: 1 / -1;
  padding: 0.45rem 0.7rem;
  border: 1px dashed var(--border);
  border-radius: 10px;
  font-size: 0.73rem;
  color: var(--text-dim);
  text-align: center;
}
.sp-footer:empty {
  display: none;
}

/* Narrow viewports: stack the columns and let the board scroll as a whole. */
@media (max-width: 860px) {
  #stagephase-board {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: none;
    overflow-y: auto;
  }
  .sp-column {
    max-height: 26rem;
  }
}

/* ── Mode tabs (Pathways / Best Practices) ───────────────── */
.mode-tabs {
  display: flex;
  gap: 0.2rem;
  padding: 0.22rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.mode-tab {
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 0.95rem;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background 0.18s ease,
    color 0.18s ease,
    box-shadow 0.18s ease;
}

.mode-tab:hover {
  color: var(--text);
  background: var(--bg-elev-2);
}

.mode-tab.active {
  background: linear-gradient(
    135deg,
    var(--accent),
    var(--accent-2, var(--accent))
  );
  color: #fff;
  box-shadow: 0 2px 10px -2px var(--accent);
}

.mode-tab.active:hover {
  color: #fff;
}

/* ── Best Practices sidebar list ─────────────────────────── */
.bp-sidebar-label {
  padding: 1rem 1rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-dim);
  margin: 0;
}

.bp-list {
  list-style: none;
  margin: 0;
  padding: 0 0.5rem 1rem;
}

.bp-list li {
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.bp-list li:hover {
  background: var(--bg-elev-2);
}
.bp-list li.active {
  background: var(--active-row);
}

.bp-list-item {
  padding: 0.65rem 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
}

.bp-list-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

.bp-list-desc {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ── Best Practices content panel (mirrors .canvas positioning) ── */
.bp-content {
  position: fixed;
  inset: 56px 0 0 0;
  left: 0;
  overflow-y: auto;
  background: var(--bg);
  transition: left 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

body.sidebar-open .bp-content {
  left: var(--sidebar-w);
}

.bp-body {
  max-width: 820px;
  margin: 0 auto;
  padding: 2.5rem 2rem 4rem;
}

/* Images inside BP content */
.bp-body img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: block;
  margin: 1.25rem auto;
}

@media (max-width: 640px) {
  .mode-tab {
    padding: 0.35rem 0.6rem;
    font-size: 0.75rem;
  }
  .bp-body {
    padding: 1.25rem 1rem 3rem;
  }
}

/* Disclaimer footer */
.site-disclaimer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #fff3cd;
  color: #664d03;
  border-top: 1px solid var(--border, #ddd);
  padding: 0.5rem 1.5rem;
  font-size: 0.75rem;
  text-align: center;
  z-index: 200;
  line-height: 1.5;
}