:root {
  --map-surface: #f6f2e9;
  --map-canvas: #fcfaf5;
  --map-border: #817d73;
  --map-text: #182127;
  --map-muted: #555c61;
  --map-focus: #005fcc;
  --source-bg: #e9f0f2;
  --source-border: #476979;
  --source-text: #173341;
  --language-bg: #f3ece0;
  --language-border: #80643d;
  --language-text: #432f17;
  --model-bg: #e9efe7;
  --model-border: #527055;
  --model-text: #1e3b25;
  --generation-bg: #edf0e5;
  --generation-border: #657247;
  --generation-text: #2e3b17;
  --systems-bg: #f1eee2;
  --systems-border: #746d4b;
  --systems-text: #3e391f;
  --visualization-bg: #eeebf1;
  --visualization-border: #6b6178;
  --visualization-text: #342e3f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --map-surface: #171b1d;
    --map-canvas: #202427;
    --map-border: #8d9699;
    --map-text: #edf0f2;
    --map-muted: #bac1c4;
    --map-focus: #8cc8ff;
    --source-bg: #17323c;
    --source-border: #76a9bb;
    --source-text: #eaf4f7;
    --language-bg: #3c2f20;
    --language-border: #c2a16f;
    --language-text: #fbf1e3;
    --model-bg: #213629;
    --model-border: #85ad8a;
    --model-text: #edf6ed;
    --generation-bg: #2d381f;
    --generation-border: #a5b676;
    --generation-text: #f2f6e9;
    --systems-bg: #393625;
    --systems-border: #b8aa70;
    --systems-text: #f5f2e8;
    --visualization-bg: #332f3a;
    --visualization-border: #aa9ab7;
    --visualization-text: #f5f1f8;
  }
}

.task-map-intro {
  max-width: 72ch;
}

.task-map-key {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.5rem;
  max-width: 72ch;
  margin: 1.25rem 0 0.65rem;
  padding: 0.65rem 0;
  border-block: 1px solid var(--map-border);
  color: var(--map-muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.task-map-key-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.task-map-stage-key {
  display: grid;
  max-width: 72ch;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.4rem 1rem;
  margin: 0 0 0.75rem;
  color: var(--map-muted);
  font-size: 0.78rem;
}

.task-map-stage-key-item {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.4rem;
}

.task-map-stage-swatch {
  width: 1.1rem;
  height: 0.6rem;
  flex: none;
  border: 1px solid var(--tile-border);
  background-color: var(--tile-bg);
}

.task-map-key-swatch {
  box-sizing: border-box;
  width: 0.9rem;
  height: 0.9rem;
  flex: none;
  border: 1px dashed var(--source-border);
  border-radius: 0;
  background-color: var(--source-bg);
}

.task-map-key-swatch.available {
  border: 2px solid var(--source-border);
}

.task-map-instructions {
  max-width: 72ch;
  margin: 0 0 0.75rem;
  color: var(--map-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.task-map-scroll-controls {
  display: flex;
  gap: 0.5rem;
  margin: 0 0 0.5rem;
}

.task-map-scroll-controls button {
  min-height: 2.75rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--map-border);
  border-radius: 0;
  background: transparent;
  color: var(--map-text);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 650;
  touch-action: manipulation;
}

.task-map-scroll-controls button:hover:not(:disabled) {
  border-color: var(--map-text);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.task-map-scroll-controls button:focus-visible {
  outline: 4px solid var(--map-focus);
  outline-offset: 2px;
}

.task-map-scroll-controls button:disabled {
  color: var(--map-muted);
  cursor: not-allowed;
  opacity: 0.55;
}

.periodic-scroll {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  padding: 1rem 1rem 0.85rem;
  border-block: 1px solid var(--map-border);
  border-inline: 0;
  border-radius: 0;
  background-color: var(--map-surface);
  scroll-snap-type: x proximity;
  scrollbar-color: var(--map-border) var(--map-surface);
  scrollbar-gutter: stable;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

.periodic-scroll:focus-visible {
  outline: 4px solid var(--map-focus);
  outline-offset: 3px;
}

.periodic-table {
  display: grid;
  width: max-content;
  grid-template-columns: repeat(15, 7.6rem);
  align-items: end;
  gap: 0.375rem;
}

.element-group {
  display: flex;
  min-width: 0;
  flex-direction: column;
  content-visibility: auto;
  contain-intrinsic-inline-size: 7.6rem;
  contain-intrinsic-block-size: 61.3rem;
  scroll-snap-align: start;
}

.element-group-title {
  order: 1;
  min-height: 4.8rem;
  margin: 0;
  padding: 0 0.2rem 0.65rem;
  border-bottom: 2px solid var(--tile-border);
  color: var(--map-text);
  font-size: 0.73rem;
  font-weight: 600;
  line-height: 1.25;
  text-align: left;
  text-wrap: balance;
}

.element-stage {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--tile-text);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.25;
  text-transform: uppercase;
}

.element-group-name {
  display: block;
  overflow-wrap: break-word;
  hyphens: auto;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.82rem;
  line-height: 1.15;
}

.element-stack {
  order: 2;
  display: flex;
  min-height: 56.5rem;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.375rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.element-slot {
  margin: 0;
  padding: 0;
}

.nlp-element {
  position: relative;
  display: grid;
  box-sizing: border-box;
  min-height: 7.75rem;
  grid-template-rows: auto minmax(2.4rem, 1fr) auto auto;
  padding: 0.55rem;
  border: 1px solid var(--tile-border);
  border-radius: 1px;
  background-color: var(--tile-bg);
  color: var(--tile-text);
  text-align: center;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.stage-source {
  --tile-bg: var(--source-bg);
  --tile-border: var(--source-border);
  --tile-text: var(--source-text);
}

.stage-language {
  --tile-bg: var(--language-bg);
  --tile-border: var(--language-border);
  --tile-text: var(--language-text);
}

.stage-model {
  --tile-bg: var(--model-bg);
  --tile-border: var(--model-border);
  --tile-text: var(--model-text);
}

.stage-generation {
  --tile-bg: var(--generation-bg);
  --tile-border: var(--generation-border);
  --tile-text: var(--generation-text);
}

.stage-systems {
  --tile-bg: var(--systems-bg);
  --tile-border: var(--systems-border);
  --tile-text: var(--systems-text);
}

.stage-visualization {
  --tile-bg: var(--visualization-bg);
  --tile-border: var(--visualization-border);
  --tile-text: var(--visualization-text);
}

.element-number {
  justify-self: start;
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  line-height: 1;
}

.element-kind {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  max-width: 68%;
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0.045em;
  line-height: 1.1;
  text-align: right;
  text-transform: uppercase;
}

.element-symbol {
  align-self: center;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
}

.element-name {
  align-self: end;
  min-height: 2.25rem;
  overflow-wrap: break-word;
  hyphens: auto;
  font-size: 0.68rem;
  font-weight: 600;
  line-height: 1.15;
  text-wrap: balance;
}

.element-status {
  align-self: end;
  justify-self: stretch;
  margin-top: 0.45rem;
  padding-top: 0.3rem;
  border-top: 1px solid var(--tile-border);
  font-size: 0.59rem;
  font-weight: 700;
  letter-spacing: 0.045em;
  line-height: 1.25;
  text-align: left;
  text-transform: uppercase;
}

.is-available {
  border-width: 2px;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(0, 95, 204, 0.2);
}

.is-available:hover {
  color: var(--tile-text);
  border-color: var(--map-text);
  background-color: var(--map-canvas);
}

.is-available:hover .element-name,
.is-available:hover .element-status {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.14em;
}

.is-available:active {
  background-color: var(--map-surface);
}

.is-available:focus-visible {
  z-index: 2;
  outline: 4px solid var(--map-focus);
  outline-offset: 3px;
}

.is-planned {
  border-style: dashed;
}

.task-map-page main.content > p,
.task-map-page main.content > h2,
.task-map-page main.content > .callout,
.task-map-page main.content section > p,
.task-map-page main.content section > h2,
.task-map-page main.content section > ul,
.task-map-page main.content section > ol,
.task-map-page main.content section > blockquote,
.task-map-page main.content section > .callout {
  max-width: 38rem;
}

@media (min-width: 1200px) {
  .periodic-table {
    width: 100%;
    grid-template-columns: repeat(15, minmax(0, 1fr));
    gap: 0.25rem;
  }

  .element-group {
    contain-intrinsic-inline-size: auto;
  }

  .nlp-element {
    min-height: 7.5rem;
    padding: 0.35rem;
  }

  .element-number {
    font-size: 0.58rem;
  }

  .element-kind {
    top: 0.38rem;
    right: 0.35rem;
    font-size: 0.44rem;
  }

  .element-symbol {
    font-size: 1.35rem;
  }

  .element-name {
    font-size: 0.57rem;
  }

  .element-status {
    font-size: 0.5rem;
  }
}

.task-map-note {
  max-width: 72ch;
  margin-top: 0.75rem;
  color: var(--map-muted);
  font-size: 0.82rem;
}

.available-routes {
  max-width: 72ch;
  margin-top: 0.85rem;
  color: var(--map-text);
  font-size: 0.88rem;
  line-height: 1.55;
}

@media (max-width: 700px) {
  .periodic-scroll {
    padding: 0.75rem;
  }

  .periodic-table {
    grid-template-columns: repeat(15, 7.25rem);
  }

  .element-group {
    contain-intrinsic-inline-size: 7.25rem;
  }

  .nlp-element {
    min-height: 7.5rem;
  }

  .element-stack {
    min-height: 0;
    justify-content: flex-start;
  }

  .task-map-stage-key {
    grid-template-columns: 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .is-available {
    transition: none;
  }
}

@media (forced-colors: active) {
  .task-map-key-swatch,
  .task-map-stage-swatch,
  .periodic-scroll,
  .nlp-element {
    background-color: Canvas;
    color: CanvasText;
  }

  .task-map-key-swatch {
    border-color: GrayText;
  }

  .task-map-key-swatch.available,
  .is-available {
    border-color: LinkText;
    color: LinkText;
  }

  .is-planned {
    border-color: GrayText;
  }

  .element-group-title,
  .element-status {
    border-color: CanvasText;
  }

  .periodic-scroll:focus-visible,
  .is-available:focus-visible {
    outline-color: Highlight;
  }
}

@media print {
  .periodic-scroll {
    overflow: visible;
    padding: 0;
    border-block: 0;
  }

  .periodic-table {
    width: 100%;
    min-width: 0;
    grid-template-columns: repeat(5, 1fr);
  }

  .element-group {
    content-visibility: visible;
    contain-intrinsic-size: none;
  }

  .element-stack {
    min-height: 0;
  }
}