.code-map-page { padding-top: var(--nav-height); position: relative; z-index: 1; }
.code-map-hero h1 { color: var(--heading); margin-bottom: 1rem; line-height: 1.1; overflow-wrap: anywhere; text-wrap: balance; }
.code-map-hero .container { display: grid; gap: 0.85rem; align-items: start; }
.code-map-hero-shell {
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 0.16rem);
  padding-block: clamp(1rem, 2.2vw, 1.25rem);
  background: rgba(20, 28, 45, 0.78);
  background: color-mix(in oklab, var(--surface) 78%, transparent);
}
.code-map-hero-main { display: grid; gap: 0.65rem; }
.code-map-hero .section-lead { max-width: 72ch; }
.code-map-header-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.2rem;
}
.map-status { margin: 0; color: var(--text-muted); font-size: 0.92rem; }
.map-status.error { color: var(--red); }

.map-workspace {
  display: grid;
  gap: 1rem;
  max-width: min(104rem, 100%);
  min-width: 0;
}
.results-note {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.82rem;
  text-align: left;
}

.map-stats { margin-top: 1.2rem; display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fit, minmax(min(9rem, 100%), 1fr)); }
.stat-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(20, 28, 45, 0.88);
  background: color-mix(in oklab, var(--surface) 88%, transparent);
  padding: 0.75rem;
}
.stat-card strong { display: block; margin-top: 0.24rem; font-size: clamp(1.05rem, 2vw, 1.2rem); }
.stat-title { color: var(--text-muted); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.07em; }

.map-toolbar {
  --toolbar-label-offset: calc(0.78rem * 1.2 + 0.24rem);
  display: grid;
  grid-template-columns: minmax(14rem, 1fr) auto;
  gap: 0.24rem;
  align-items: end;
  padding: 0.34rem 0.44rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.26rem);
  background: rgba(20, 28, 45, 0.76);
  background: color-mix(in oklab, var(--surface) 76%, transparent);
  margin-bottom: 0.35rem;
}
.control-group { display: grid; gap: 0.24rem; position: relative; }
.control-group label { color: var(--text-muted); font-size: 0.78rem; line-height: 1.2; letter-spacing: 0.01em; }
.search-feedback {
  margin: 0;
  min-height: 0;
  color: var(--text-muted);
  font-size: 0.68rem;
}
.search-feedback.error { color: var(--red); }
.search-feedback:not(:empty) { min-height: 0.9rem; }
.control-group input,
.control-group select {
  width: 100%;
  min-height: 2rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 0.38rem 0.56rem;
}

.module-search-options {
  position: absolute;
  z-index: 25;
  left: 0;
  right: 0;
  top: calc(100% - 0.2rem);
  margin: 0;
  padding: 0.22rem;
  list-style: none;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.1rem);
  background: rgba(20, 28, 45, 0.95);
  background: color-mix(in oklab, var(--surface) 95%, transparent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
  max-height: min(15rem, 40svh);
  overflow: auto;
}
.module-search-option {
  padding: 0.4rem 0.5rem;
  border-radius: calc(var(--radius) - 0.2rem);
  cursor: pointer;
  font-size: 0.82rem;
}
.module-search-option + .module-search-option { margin-top: 0.1rem; }
.module-search-option[aria-selected="true"],
.module-search-option:hover {
  background: color-mix(in oklab, var(--accent) 20%, transparent);
  color: var(--heading);
}
.module-search-option-decl {
  font-style: italic;
  border-left: 2px solid var(--accent);
  padding-left: calc(0.5rem - 2px);
}

.detail-preset {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
  display: grid;
  gap: 0.24rem;
}
.detail-preset legend {
  color: var(--text-muted);
  font-size: 0.78rem;
  line-height: 1.1;
  padding: 0;
}
.detail-preset-options {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.28rem;
  align-items: center;
}
.detail-pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  min-height: 2rem;
  padding: 0.24rem 0.56rem;
  background: rgba(20, 28, 45, 0.85);
  background: color-mix(in oklab, var(--surface) 85%, transparent);
  color: var(--text);
  font-size: 0.76rem;
  cursor: pointer;
}
.detail-pill:hover,
.detail-pill:focus-visible {
  border-color: color-mix(in oklab, var(--accent) 58%, var(--border));
}
.detail-pill.is-active {
  border-color: var(--accent);
  color: var(--heading);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--accent) 24%, transparent);
}
.toolbar-actions {
  display: flex;
  justify-content: flex-end;
  align-self: start;
  margin-top: var(--toolbar-label-offset);
}
.toolbar-actions .btn { min-height: 2rem; padding: 0.24rem 0.7rem; font-size: 0.74rem; white-space: nowrap; }
.visually-hidden,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.navigator-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "flow";
  gap: 1rem;
  align-items: start;
}
.navigator-layout > .card { min-width: 0; }
.constellation-panel {
  grid-area: flow;
  padding: clamp(1rem, 1.8vw, 1.45rem);
}
.flowchart-shell { display: grid; gap: 0.35rem; min-width: 0; }

.flowchart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.28rem;
  margin-bottom: 0.35rem;
}
.flowchart-legend-corner {
  position: sticky;
  top: 0.35rem;
  z-index: 4;
  margin-left: auto;
  justify-content: flex-end;
  max-width: min(52rem, calc(100% - 0.35rem));
  contain: layout style;
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.16rem 0.48rem;
  background: rgba(20, 28, 45, 0.84);
  background: color-mix(in oklab, var(--surface) 84%, transparent);
}
.legend-swatch {
  width: 0.68rem;
  height: 0.68rem;
  border-radius: 50%;
  flex-shrink: 0;
}
.legend-swatch-bar {
  width: 0.32rem;
  height: 0.86rem;
  border-radius: 2px;
}
.legend-assurance {
  border-style: dashed;
  border-color: color-mix(in oklab, var(--border) 70%, transparent);
}
.legend-assurance[title] { cursor: help; }
.legend-separator {
  width: 1px;
  align-self: stretch;
  background: var(--border);
  margin: 0 0.12rem;
}
.flow-node-interior-menu {
  display: grid;
  gap: 0.24rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(25, 35, 56, 0.82);
  background: color-mix(in oklab, var(--surface-2) 82%, transparent);
  padding: 0.55rem;
  margin-bottom: 0.5rem;
}
.flow-node-interior-menu:empty {
  display: none;
}
.interior-menu-controls { display: flex; align-items: center; gap: 0.45rem; flex-wrap: wrap; }
.interior-menu-search {
  width: min(100%, 28rem);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(20, 28, 45, 0.9);
  background: color-mix(in oklab, var(--surface) 90%, transparent);
  color: var(--text);
  font-size: 0.68rem;
  padding: 0.28rem 0.62rem;
}
.interior-menu-search:focus-visible { outline: 2px solid color-mix(in oklab, var(--accent) 65%, transparent); outline-offset: 1px; }
.interior-menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(16rem, 100%), 1fr));
  gap: 0.45rem;
}
.interior-menu-column {
  border: 1px solid var(--border);
  border-radius: 0.62rem;
  padding: 0.4rem;
  background: rgba(20, 28, 45, 0.88);
  background: color-mix(in oklab, var(--surface) 88%, transparent);
  min-width: 0;
}
.interior-menu-column-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.24rem;
  margin-bottom: 0.25rem;
}
.interior-menu-column h4 {
  margin: 0;
  font-size: 0.68rem;
  color: var(--text-muted);
}

.interior-kind-select {
  border: 1px solid color-mix(in oklab, var(--interior-kind-color, var(--border)) 62%, var(--border));
  border-radius: 0.5rem;
  background: rgba(20, 28, 45, 0.92);
  background: color-mix(in oklab, var(--surface) 92%, transparent);
  color: var(--text);
  font-size: 0.68rem;
  padding: 0.2rem 0.35rem;
  min-width: 11rem;
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--interior-kind-color, transparent) 38%, transparent);
  transition: border-color 0.12s ease-out, box-shadow 0.12s ease-out;
}
.interior-kind-select option {
  color: var(--text);
  background: color-mix(in oklab, var(--interior-kind-color, var(--surface-2)) 17%, var(--surface-2) 83%);
}
.interior-menu-items {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.28rem;
  max-height: 14rem;
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-gutter: stable;
  overscroll-behavior: contain;
}
.interior-menu-items .interior-menu-item::before {
  content: none;
  display: none;
}
.card .interior-menu-items .interior-menu-item {
  /* Override shared `.card ul li` list padding so declaration chips keep balanced insets. */
  padding: 0.22rem 0.52rem;
}
.interior-menu-item {
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.67rem;
  border: 1px solid color-mix(in oklab, var(--interior-kind-color, var(--border)) 62%, var(--border));
  border-radius: 0.5rem;
  min-height: 1.6rem;
  background: rgba(25, 35, 56, 0.85);
  background: color-mix(in oklab, var(--interior-kind-color, var(--surface-2)) 17%, var(--surface-2) 83%);
  max-width: 100%;
  overflow-wrap: anywhere;
  transition: border-color 0.12s ease-out, background 0.12s ease-out;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.interior-menu-item:hover {
  border-color: color-mix(in oklab, var(--interior-kind-color, var(--accent)) 72%, var(--border));
  background: color-mix(in oklab, var(--interior-kind-color, var(--surface-2)) 26%, var(--surface-2) 74%);
}
.interior-menu-item-active {
  border-color: var(--accent, #7c9cff);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--accent, #7c9cff) 28%, transparent);
  background: color-mix(in oklab, var(--accent, #7c9cff) 22%, var(--surface-2) 78%);
  transition: border-color 0.12s ease-out, background 0.12s ease-out, box-shadow 0.12s ease-out;
}
.interior-menu-item::after {
  content: attr(data-kind-label);
  font-family: var(--font-mono);
  font-size: 0.56rem;
  color: color-mix(in oklab, var(--interior-kind-color, var(--text-muted)) 72%, var(--text-muted));
  margin-left: auto;
  padding-left: 0.33rem;
  letter-spacing: 0.01em;
  flex-shrink: 0;
  white-space: nowrap;
}

.flowchart-wrap {
  --flow-node-bg: rgba(25, 35, 56, 0.86);
  --flow-node-bg: color-mix(in oklab, var(--surface-2) 86%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(20, 28, 45, 0.85);
  background: color-mix(in oklab, var(--surface) 85%, transparent);
  min-height: clamp(32rem, 64vh, 48rem);
  padding: 0.75rem;
  overflow: auto;
  overscroll-behavior: contain;
  touch-action: pan-x pan-y pinch-zoom;
  scrollbar-gutter: stable both-edges;
  scroll-behavior: smooth;
  contain: layout style;
  will-change: scroll-position;
}

@supports not (scrollbar-gutter: stable) {
  .flowchart-wrap {
    padding-right: 0.95rem;
  }
}
/* SVG must declare its intrinsic size so the browser can calculate scrollable
   overflow correctly.  min-width:0 prevents flexbox/grid from collapsing it,
   while the actual width comes from the viewBox attribute set in JS. */
.flowchart-svg { width: 100%; min-width: 0; height: auto; display: block; shape-rendering: geometricPrecision; }
/* On compact viewports, render the SVG at its intrinsic viewBox size rather
   than scaling-to-fit.  This keeps node text readable at 1:1 and relies on
   the parent .flowchart-wrap's overflow:auto for native pan/scroll. */
.flowchart-mobile-hint {
  display: none;
  margin: 0 0 0.45rem;
  color: var(--text-muted);
  font-size: 0.75rem;
}
.flow-edge-layer { pointer-events: none; }
.flow-line { fill: none; stroke-width: 2; opacity: 0.92; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.flow-line.proof-link { stroke-dasharray: 6 4; stroke-width: 2.2; opacity: 0.85; }
.flow-node { cursor: pointer; overflow: hidden; }
.flow-node rect {
  stroke-width: 1.2;
  rx: 10;
  ry: 10;
  transition: stroke 0.15s ease-out, stroke-width 0.15s ease-out, filter 0.15s ease-out, fill 0.15s ease-out;
}
/* Promote active node to its own compositing layer during interaction
   so hover/focus filter changes don't repaint the entire SVG. */
.flow-node:not(.static):hover,
.flow-node:not(.static):focus-visible { will-change: filter; }
.flow-node text {
  font-family: var(--font-mono);
  font-size: 11.5px;
  fill: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
}
.flow-node .flow-meta { fill: var(--text-muted); font-size: 10px; }
.flow-node .flow-meta-link { fill: var(--accent); text-decoration: underline; cursor: pointer; pointer-events: auto; }
.flow-node .flow-meta a:hover .flow-meta-link { opacity: 0.78; }
.flow-node .flow-meta tspan { dominant-baseline: auto; }
.flow-lane-label { font-family: var(--font-mono); letter-spacing: 0.02em; }
.flow-node.static { cursor: default; }
.flow-node.static.action { cursor: pointer; }
.flow-node.cross-module rect { stroke-dasharray: 5 3; stroke-opacity: 0.88; }
.flow-node:not(.static):hover rect { stroke: var(--accent); filter: brightness(1.03); }
.flow-node:not(.static):focus-visible rect { stroke: var(--accent); stroke-width: 2; filter: brightness(1.05); }
.flow-node:not(.static):focus-visible { outline: 2px solid color-mix(in oklab, var(--accent) 55%, transparent); outline-offset: 3px; border-radius: 12px; }
.flow-node.active rect { stroke-width: 2; }
.flow-node.assurance-linked .assurance-bar { fill: var(--assurance-linked); }
.flow-node.assurance-partial .assurance-bar { fill: var(--assurance-partial); }
.flow-node.assurance-local .assurance-bar { fill: var(--assurance-local); }
.flow-node.assurance-none .assurance-bar { fill: var(--assurance-none); }
/* Use a subtle box-shadow-equivalent via opacity rather than the expensive
   SVG drop-shadow filter which triggers per-node compositing on large graphs. */
.flow-node .assurance-bar { transition: fill 0.15s ease-out; opacity: 0.92; }
.flow-node .assurance-icon { font-family: var(--font-mono); font-size: 11px; transition: fill 0.15s ease-out; opacity: 0.88; }
.flow-node.assurance-linked .assurance-icon { fill: var(--assurance-linked); }
.flow-node.assurance-partial .assurance-icon { fill: var(--assurance-partial); }
.flow-node.assurance-local .assurance-icon { fill: var(--assurance-local); }
.flow-node.assurance-none .assurance-icon { fill: var(--assurance-none); }

@media (max-width: 1320px) {
  .map-toolbar { grid-template-columns: minmax(0, 1fr); align-items: stretch; }
  .detail-preset { width: 100%; }
  .toolbar-actions { justify-content: flex-start; margin-top: 0; }
  .toolbar-actions .btn { min-width: 8rem; }
}

@media (max-width: 1200px) {
  .map-toolbar { grid-template-columns: 1fr; }
  .toolbar-actions .btn { width: 100%; }
  .flowchart-wrap { min-height: clamp(28rem, 56vh, 40rem); }
}

@media (max-width: 900px) {
  .flowchart-svg { width: auto; min-width: 100%; }
  .code-map-page {
    padding-inline: max(0px, env(safe-area-inset-left)) max(0px, env(safe-area-inset-right));
  }
  .map-toolbar {
    position: sticky;
    top: calc(var(--nav-height) + env(safe-area-inset-top) + 0.25rem);
    z-index: 6;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }
  .constellation-panel {
    padding: 0.95rem;
  }
  .section.code-map-hero .container,
  .section#module-graph .container {
    padding-inline: 0.85rem;
  }
  .code-map-header-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.24rem;
  }
  .detail-preset-options { width: 100%; }
  .detail-pill { flex: 1 1 0; text-align: center; }
}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  @media (max-width: 900px) {
    .map-toolbar {
      background: rgba(13, 19, 32, 0.96);
    }

    [data-theme="light"] .map-toolbar {
      background: rgba(240, 242, 247, 0.97);
    }
  }
}

@media (max-width: 640px) {
  .code-map-hero {
    padding-top: 1.9rem;
    padding-bottom: 1.7rem;
  }
  .code-map-hero-shell {
    border-radius: 0.85rem;
    padding-block: 0.95rem;
  }
  .code-map-hero .container {
    gap: 0.7rem;
  }
  .code-map-hero .hero-label {
    font-size: 0.86rem;
    line-height: 1.35;
  }
  .code-map-hero h1 {
    font-size: clamp(1.85rem, 10.2vw, 2.35rem);
    line-height: 1.14;
    margin-bottom: 0.65rem;
  }
  .code-map-hero .section-lead {
    font-size: 0.96rem;
    line-height: 1.55;
    max-width: 62ch;
  }
  .map-status { font-size: 0.85rem; margin-top: 0; }
  .code-map-header-meta {
    margin-top: 0;
  }
  .results-note {
    font-size: 0.78rem;
  }
  .map-stats {
    margin-top: 0.8rem;
    grid-template-columns: repeat(7, minmax(7.2rem, 76vw));
    overflow-x: auto;
    padding-bottom: 0.25rem;
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
    scroll-padding-inline: 0.3rem;
    padding-inline: 0.08rem;
  }
  .stat-card { scroll-snap-align: start; }
  .map-stats .stat-card:first-child { margin-left: 0.2rem; }
  .map-stats .stat-card:last-child { margin-right: 0.2rem; }
  .map-toolbar {
    top: calc(var(--nav-height) + env(safe-area-inset-top) + 0.2rem);
    padding: 0.5rem;
    gap: 0.4rem;
    border-radius: 0.75rem;
  }
  .control-group label,
  .detail-preset legend,
  .search-feedback,
  .interior-menu-column h4 {
    font-size: 0.8rem;
  }
  .detail-pill,
  .control-group input,
  .control-group select,
  .toolbar-actions .btn,
  .interior-kind-select,
  .interior-menu-search {
    min-height: 2.6rem;
    font-size: 0.95rem;
  }
  .interior-menu-search {
    width: 100%;
    border-radius: 0.65rem;
  }
  .interior-menu-items {
    max-height: min(15rem, 42svh);
  }
  .flow-node-interior-menu {
    max-height: min(18rem, 44svh);
    overflow: auto;
    overscroll-behavior: contain;
  }
  .flowchart-mobile-hint { display: block; }
  .flowchart-wrap {
    min-height: clamp(22rem, 60svh, 34rem);
    max-height: calc(100svh - var(--nav-height) - 8.25rem);
    padding: 0.55rem;
    scroll-padding: 0.5rem;
  }
  .flowchart-legend-corner {
    position: sticky;
    top: 0.15rem;
    left: 0;
    max-width: 100%;
    margin-right: 0;
    justify-content: flex-start;
    padding-bottom: 0.1rem;
  }
  .legend-item { font-size: 0.72rem; }
  .interior-menu-grid { grid-template-columns: 1fr; }
  .interior-kind-select { width: 100%; }
  .interior-menu-item {
    font-size: 0.74rem;
    min-height: 2.2rem;
    padding: 0.28rem 0.55rem;
    border-radius: 0.55rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
  }
  .declaration-context-breadcrumb {
    font-size: 0.88rem;
    padding: 0.45rem 0.5rem;
    gap: 0.2rem;
  }
  .declaration-breadcrumb-module {
    font-size: 0.84rem;
    min-height: 2.2rem;
    padding: 0.25rem 0.6rem;
  }
  /* Slightly larger text on mobile for readability since SVG is zoomed out.
     Also increase the meta line-height for better touch separation between
     flow-meta tspan elements which act as visual content. */
  .flow-node text { font-size: 12px; }
  .flow-node .flow-meta { font-size: 10.5px; }
  .flow-node .assurance-icon { font-size: 12px; }
  /* Ensure cross-module dashed outlines remain visible at mobile zoom levels */
  .flow-node.cross-module rect { stroke-dasharray: 7 4; stroke-width: 1.6; }
}


@media (max-width: 900px) and (max-height: 560px) and (orientation: landscape) {
  .code-map-hero {
    padding-top: 1.1rem;
    padding-bottom: 1.05rem;
  }
  .flowchart-wrap {
    min-height: clamp(16rem, 72svh, 24rem);
    max-height: calc(100svh - var(--nav-height) - 4.75rem);
  }
  .flow-node-interior-menu {
    max-height: min(9rem, 34svh);
  }
  .interior-menu-items {
    max-height: min(6rem, 28svh);
  }
  .interior-menu-item {
    padding: 0.15rem 0.42rem;
    min-height: 1.4rem;
  }
}

.declaration-context-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.declaration-breadcrumb-module {
  font-size: 0.78rem;
  padding: 0.2rem 0.55rem;
  cursor: pointer;
}
.breadcrumb-separator {
  color: var(--text-muted);
  user-select: none;
}
.breadcrumb-current {
  color: var(--text);
  font-weight: 600;
}
.interior-menu-item-navigable {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.35rem;
  cursor: pointer;
}
.interior-menu-item-btn {
  all: unset;
  cursor: pointer;
  flex: 1;
  min-width: 0;
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--interior-kind-color, var(--text-muted));
  text-underline-offset: 2px;
  overflow-wrap: anywhere;
}
.interior-menu-item-btn:hover,
.interior-menu-item-btn:focus-visible {
  color: var(--interior-kind-color, var(--accent));
  text-decoration-thickness: 2px;
}
.interior-menu-item-btn:focus-visible {
  outline: 2px solid color-mix(in oklab, var(--accent) 65%, transparent);
  outline-offset: 2px;
  border-radius: 2px;
}

@media (max-width: 420px) {
  .section#module-graph {
    padding-block: 1.1rem 1.35rem;
  }
  .section#module-graph .container {
    padding-inline: 0.6rem;
  }
  .constellation-panel {
    padding: 0.72rem;
    border-radius: 0.7rem;
  }
  .map-stats {
    grid-template-columns: repeat(7, minmax(6.8rem, 82vw));
  }
  /* On very small phones the flowchart legend can obscure content when
     sticky-positioned.  Switch to a compact inline layout at the top
     and prevent it from covering nodes. */
  .flowchart-legend-corner {
    position: relative;
    top: 0;
    flex-wrap: wrap;
    gap: 0.18rem;
    margin-bottom: 0.25rem;
  }
  .legend-item { font-size: 0.66rem; padding: 0.12rem 0.38rem; }
  /* Scale flow-node text up slightly on very small phones because the
     reduced SVG canvas width means less zoom-out is needed, so text
     can be relatively larger without overflow. */
  .flow-node text { font-size: 12.5px; }
  .flow-node .flow-meta { font-size: 11px; }
  .detail-preset-options {
    display: grid;
    grid-template-columns: 1fr;
  }
  .detail-pill {
    width: 100%;
  }
  .flowchart-wrap {
    max-height: calc(100svh - var(--nav-height) - 7.75rem);
  }
}

/* Keyboard shortcuts hint — collapsible reference near the flowchart */
.keyboard-shortcuts-hint {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  color: var(--text-muted);
}
.keyboard-shortcuts-hint summary {
  cursor: pointer;
  user-select: none;
  color: var(--text-muted);
  font-size: 0.72rem;
  padding: 0.2rem 0;
}
.keyboard-shortcuts-hint summary:hover { color: var(--text); }
.keyboard-shortcuts-hint summary:focus-visible { outline: 2px solid color-mix(in oklab, var(--accent) 55%, transparent); outline-offset: 2px; border-radius: 2px; }
.keyboard-shortcuts-hint[open] summary { margin-bottom: 0.3rem; }
.shortcut-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 0.15rem 1rem;
  margin: 0;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.1rem);
  background: color-mix(in oklab, var(--surface) 90%, transparent);
}
.shortcut-list > div {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.shortcut-list dt { display: flex; gap: 0.15rem; flex-shrink: 0; }
.shortcut-list dd { margin: 0; color: var(--text-muted); font-size: 0.7rem; }
.shortcut-list kbd {
  display: inline-block;
  min-width: 1.4rem;
  text-align: center;
  padding: 0.1rem 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text);
  background: color-mix(in oklab, var(--surface-2) 80%, transparent);
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  box-shadow: 0 1px 0 var(--border);
}

/* Improve focus indicators for the flowchart container */
.flowchart-wrap:focus-visible {
  outline: 2px solid color-mix(in oklab, var(--accent) 55%, transparent);
  outline-offset: -2px;
}

/* Smooth entry animation for stat cards */
.stat-card {
  animation: stat-card-in 0.3s ease-out backwards;
}
@media (prefers-reduced-motion: reduce) {
  .stat-card { animation: none; }
  .flow-node rect { transition: none; }
  .flow-node .assurance-bar,
  .flow-node .assurance-icon { transition: none; }
  .flowchart-wrap { scroll-behavior: auto; }
}
@keyframes stat-card-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}
.stat-card:nth-child(1) { animation-delay: 0ms; }
.stat-card:nth-child(2) { animation-delay: 30ms; }
.stat-card:nth-child(3) { animation-delay: 60ms; }
.stat-card:nth-child(4) { animation-delay: 90ms; }
.stat-card:nth-child(5) { animation-delay: 120ms; }
.stat-card:nth-child(6) { animation-delay: 150ms; }
.stat-card:nth-child(7) { animation-delay: 180ms; }

@media (max-width: 640px) {
  .keyboard-shortcuts-hint { display: none; }
}

/* --- Light Theme Refinements --- */
[data-theme="light"] .code-map-hero-shell {
  background: color-mix(in oklab, var(--surface) 90%, transparent);
  border-color: var(--border);
}
[data-theme="light"] .stat-card {
  background: color-mix(in oklab, var(--surface) 95%, transparent);
}
[data-theme="light"] .flowchart-wrap {
  --flow-node-bg: color-mix(in oklab, var(--surface) 96%, transparent);
  background: color-mix(in oklab, var(--bg-alt) 92%, transparent);
}
[data-theme="light"] .flow-node-interior-menu {
  background: color-mix(in oklab, var(--surface) 94%, transparent);
}
[data-theme="light"] .interior-menu-column {
  background: color-mix(in oklab, var(--surface) 96%, transparent);
}
[data-theme="light"] .interior-menu-item {
  background: color-mix(in oklab, var(--interior-kind-color, var(--surface)) 10%, var(--surface) 90%);
}
[data-theme="light"] .legend-item {
  background: color-mix(in oklab, var(--surface) 92%, transparent);
}
[data-theme="light"] .module-search-options {
  background: color-mix(in oklab, var(--surface) 98%, transparent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .map-toolbar {
  background: color-mix(in oklab, var(--surface) 90%, transparent);
}
[data-theme="light"] .shortcut-list {
  background: color-mix(in oklab, var(--surface) 95%, transparent);
}
[data-theme="light"] .shortcut-list kbd {
  background: color-mix(in oklab, var(--bg-alt) 90%, transparent);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}
/* Light-theme assurance colors now handled via --assurance-* variables in style.css */