/* Trimmed from the Nerfies / LongProc project page styles. */

body {
  font-family: 'Noto Sans', sans-serif;
}

.publication-title,
.publication-authors,
.teaser {
  font-family: 'Google Sans', sans-serif;
}

.publication-authors a {
  color: hsl(204, 86%, 53%) !important;
}

.publication-authors a:hover {
  text-decoration: underline;
}

.author-block {
  display: inline-block;
}

/* Comma-free author line: equal gaps between names, centered. */
.author-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  column-gap: 2.5rem;
}

.link-block a {
  margin-top: 5px;
  margin-bottom: 5px;
}

.fancy_text_color {
  color: #3d7ade;
}

.container {
  max-width: none;
}

.publication-header {
  padding-top: 4rem;
  padding-bottom: 1rem;
}

.no_pad_section {
  padding-top: 0;
  padding-bottom: 0;
}

.teaser .hero-body {
  padding-top: 0;
  padding-bottom: 3rem;
}

.content img {
  display: block;
  margin: 0 auto;
}

code {
  font: bold 14px monospace;
}

html {
  scroll-behavior: smooth;
}

.textsc {
  font-variant: small-caps;
}

/* TL;DR callout at the top of content.md. */
.tldr {
  background: #f3f7fd;
  border-left: 4px solid #3d7ade;
  border-radius: 6px;
  padding: 1rem 1.25rem;
  width: 80%;
  margin: 0 auto;
}
/* Example viewer: board with an explanation panel on the right, the move tree
   below both, then prev/next navigation under the board and reset under the
   panel (all stacked on phones). The panel matches the board's height and
   scrolls if the text is longer. */
.chess-demo {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-areas:
    "blabel plabel"
    "board  panel"
    "tree   tree"
    "nav    actions";
  column-gap: 1.5rem;
  row-gap: 0.75rem;
  margin: 2rem 0;
}

.chess-board {
  grid-area: board;
  align-self: start;
  aspect-ratio: 1 / 1;
}

/* Column headings above the board and the text panel. */
.chess-label {
  font-family: 'Google Sans', sans-serif;
  font-weight: 600;
  color: #363636;
  text-align: center;
}

.chess-label-board { grid-area: blabel; }
.chess-label-panel { grid-area: plabel; }

/* Board square colours, overriding chessground's brown theme (light #DCBC87,
   dark #BB7741). The SVG draws the dark squares over the light background. */
.chess-board cg-board {
  background-color: #dcbc87;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8' shape-rendering='crispEdges'%3E%3Cpath fill='%23bb7741' d='M1 0h1v1h-1zM3 0h1v1h-1zM5 0h1v1h-1zM7 0h1v1h-1zM0 1h1v1h-1zM2 1h1v1h-1zM4 1h1v1h-1zM6 1h1v1h-1zM1 2h1v1h-1zM3 2h1v1h-1zM5 2h1v1h-1zM7 2h1v1h-1zM0 3h1v1h-1zM2 3h1v1h-1zM4 3h1v1h-1zM6 3h1v1h-1zM1 4h1v1h-1zM3 4h1v1h-1zM5 4h1v1h-1zM7 4h1v1h-1zM0 5h1v1h-1zM2 5h1v1h-1zM4 5h1v1h-1zM6 5h1v1h-1zM1 6h1v1h-1zM3 6h1v1h-1zM5 6h1v1h-1zM7 6h1v1h-1zM0 7h1v1h-1zM2 7h1v1h-1zM4 7h1v1h-1zM6 7h1v1h-1z'/%3E%3C/svg%3E");
}

/* Coordinates outside the board: ranks down the left edge, files along the
   bottom, each centred on its square. The board keeps its full size; the
   labels sit in the margin to its left and in the gap above the tree. */
.chess-board coords {
  font-family: 'Google Sans', sans-serif;
  font-size: 0.75rem;
  opacity: 1;
}

.chess-board coords coord {
  color: #000 !important; /* beats the brown theme's alternating colours */
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 0;
}

.chess-board coords.ranks {
  left: -1.25rem;
  top: 0;
  width: 1rem;
  height: 100%;
}

.chess-board coords.ranks coord {
  transform: none;
}

.chess-board coords.files {
  left: 0;
  bottom: -1.4rem;
  width: 100%;
  height: 1.2rem;
  text-transform: none;
}

.chess-panel {
  grid-area: panel;
  position: relative;
  border: 1px solid #dbdbdb;
  border-radius: 6px;
}

.chess-panel-body {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  padding: 1rem 1.25rem;
}

.chess-nav {
  grid-area: nav;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

.chess-count {
  font-family: 'Google Sans', sans-serif;
  color: #7a7a7a;
  min-width: 3.5rem;
  text-align: center;
}

.chess-actions {
  grid-area: actions;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Move tree: click a move to jump to it; the current position is underlined. */
.chess-tree {
  grid-area: tree;
  margin-top: 1rem; /* room for the file labels under the board */
  border: 1px solid #dbdbdb;
  border-radius: 6px;
  padding: 0.75rem 1.25rem;
  font-family: 'Google Sans', sans-serif;
  line-height: 1.9;
}

.chess-tree-move {
  cursor: pointer;
  margin-right: 0.5em;
  text-underline-offset: 3px;
}

.chess-tree-move.is-current {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

/* Move links and summary lines in the panel text (see board.js). */
.chess-move {
  border-radius: 3px;
  padding: 0 0.15em;
}

.chess-move:hover {
  background: #e8f0fc;
}

/* Brief highlight on the link a tree click scrolled to. */
.chess-move.is-flashing {
  animation: chess-flash 1.2s ease-out;
}

@keyframes chess-flash {
  from { background: #c8efd4; }
  to { background: transparent; }
}

.chess-move.is-clickable {
  cursor: pointer;
}

.chess-move.is-invalid {
  color: inherit;
  cursor: default;
  text-decoration: line-through;
}

@media screen and (max-width: 768px) {
  .chess-demo {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "blabel" "board" "nav" "plabel" "panel" "tree" "actions";
  }

  .chess-panel-body {
    position: static;
  }
}

/* Figures side by side under the text, each 40% of the column and centred;
   stacked full width on phones. Wrap the <figure>s in <div class="figure-row">.
   The row is a two-row grid (images, then captions) that each figure joins
   through subgrid: images sit at the bottom of the image row and captions at
   the top of the caption row, so the captions line up even when the images
   differ in height. */
.figure-row {
  display: grid;
  grid-template-columns: repeat(2, 40%);
  justify-content: center;
  column-gap: 1.5rem;
  row-gap: 0;
  margin: 1.5rem 0;
}

#content .content .figure-row figure {
  display: grid;
  grid-row: span 2;
  grid-template-rows: subgrid;
  row-gap: 0;
  margin: 0;
  scroll-margin-top: 1.5rem; /* for "Figure N" links */
}

#content .figure-row figure > a {
  align-self: end;
}

#content .figure-row img {
  display: block;
  width: 100%;
  border-radius: 4px;
}

#content .figure-row figcaption {
  align-self: start;
  margin-top: 0.4rem;
  font-size: 0.85rem;
  line-height: 1.4;
  color: #7a7a7a;
  text-align: left;
}

@media screen and (max-width: 768px) {
  .figure-row {
    grid-template-columns: 100%;
    row-gap: 1.5rem;
  }
}

/* Full-width method figures (Architecture, Domain Adaptation, Search). */
#content .content figure.method-fig {
  margin: 1rem 0 1.5rem;
  scroll-margin-top: 1.5rem;
}

#content .method-fig img {
  display: block;
  width: 100%;
}

/* Paragraphs side by side: wrap each in a <div> inside <div class="para-row">
   (leave blank lines around the Markdown). Stacked on phones. */
.para-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 1.5rem;
  margin-bottom: 1em;
}

@media screen and (max-width: 768px) {
  .para-row {
    grid-template-columns: 1fr;
    row-gap: 1em;
  }
}

/* 2x2 grid of cards (domain-adaptation question types): columns Static /
   Dynamic, rows Current / Future. One column on phones. The gaps leave room
   for the training-order arrows that flow.js draws in an SVG over the grid. */
.qa-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 2.5rem;
  row-gap: 2.25rem;
  margin: 1rem 0 1.5rem;
}

.qa-card {
  background: #f5f7fb;
  border-radius: 6px;
  padding: 0.6rem 0.85rem;
  font-size: 0.85rem;
}

#content .qa-card p:first-child {
  margin-bottom: 0.25rem;
  text-align: left;
}

/* Five-step cycle (iterative search distillation), as a pentagon:
          Sample
   Train         Generate
   Consolidate   Recurse
   with the Pawn-k -> Pawn-(k+1) label in the middle. flow.js draws the arrows
   clockwise, Train back to Sample. Stacked (no closing arrow) on phones. */
/* 24 narrow columns with no gap, so card widths and positions can be set
   finely; the spans below leave the spacing. Mirror-symmetric about the
   centre: Train/Generate 8 columns at the edges, Sample 10 centred,
   Consolidate/Recurse 9, pulled in with a 2-column gap for the arrow. */
.cycle-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(24, 1fr);
  column-gap: 0;
  row-gap: 3rem;
  align-items: center;
  margin: 1.5rem 0 0.5rem;
}

.cycle-card {
  background: #f5f7fb;
  border-radius: 6px;
  padding: 0.6rem 0.85rem;
  font-size: 0.85rem;
  text-align: left; /* justified text leaves big gaps in these narrow cards */
}

#content .cycle-card p:first-child {
  margin-bottom: 0.25rem;
  text-align: left;
}

#si-sample      { grid-column: 8 / 18;  grid-row: 1; }
#si-generate    { grid-column: 17 / 25; grid-row: 2; }
#si-recurse     { grid-column: 14 / 23; grid-row: 3; }
#si-consolidate { grid-column: 3 / 12;  grid-row: 3; }
#si-train       { grid-column: 1 / 9;   grid-row: 2; }

.cycle-center {
  grid-column: 9 / 17;
  grid-row: 2;
  font-family: 'Google Sans', sans-serif;
  font-size: 1.05rem;
}

#content .cycle-center p {
  text-align: center;
}

@media screen and (max-width: 768px) {
  .cycle-grid {
    grid-template-columns: 1fr;
    row-gap: 1.75rem;
  }

  #si-sample, #si-generate, #si-recurse, #si-consolidate, #si-train, .cycle-center {
    grid-column: auto;
    grid-row: auto;
  }
}

.flow-arrows {
  position: absolute;
  inset: 0;
  overflow: visible;
  pointer-events: none;
}

@media screen and (max-width: 768px) {
  .qa-grid {
    grid-template-columns: 1fr;
    row-gap: 1.75rem;
  }
}

/* Elo chart (Evaluations), drawn by elo-chart.js: legend row, the SVG plot
   with a hover/focus tooltip, a "Show data" table, then the caption. */
#content .content figure.elo-chart {
  margin: 1rem 0 1.5rem;
  scroll-margin-top: 1.5rem;
  text-align: left;
}

.elo-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  font-size: 0.85rem;
  color: #52514e;
  margin-bottom: 0.25rem;
}

.elo-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.elo-plot {
  position: relative;
}

.elo-plot svg {
  display: block;
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
}

.elo-plot svg:focus {
  outline: none;
}

.elo-plot svg:focus-visible {
  outline: 2px solid #2a78d6;
  outline-offset: 2px;
  border-radius: 4px;
}

.elo-tick {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.elo-label {
  font-size: 13px;
}

.elo-axis-title {
  font-size: 13px;
}

.elo-tooltip {
  position: absolute;
  pointer-events: none;
  background: #ffffff;
  border: 1px solid rgba(11, 11, 11, 0.10);
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(11, 11, 11, 0.08);
  padding: 0.45rem 0.65rem;
  font-size: 0.8rem;
  line-height: 1.5;
  white-space: nowrap;
}

.elo-tooltip-title {
  color: #52514e;
  margin-bottom: 0.15rem;
}

.elo-tooltip-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.elo-tooltip-row strong {
  color: #0b0b0b;
  font-variant-numeric: tabular-nums;
}

.elo-tooltip-row span {
  color: #52514e;
}

.elo-table {
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.elo-table summary {
  cursor: pointer;
  color: #52514e;
}

#content .elo-table table {
  width: auto;
  margin: 0.5rem 0 0;
  font-variant-numeric: tabular-nums;
}

#content .elo-table td,
#content .elo-table th {
  padding: 0.2rem 1rem 0.2rem 0;
  border-color: #e1e0d9;
}

#content figure.elo-chart figcaption {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  line-height: 1.4;
  color: #7a7a7a;
  font-style: normal;
}

/* Tighter spacing between content.md sections (Bulma's default is 3rem
   above and below each, so 6rem between sections). */
#content > .section {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

#content h2.title,
#content h3.title {
  scroll-margin-top: 1.5rem;
}

/* ### subsections: centred like section titles, one size smaller (is-4). */
#content h3.title {
  text-align: center;
}

/* Sidebar table of contents: fixed in the left margin on wide screens only. */
.toc {
  display: none;
}

@media screen and (min-width: 1216px) {
  .toc {
    display: block;
    position: fixed;
    top: 50%;
    left: 1.5rem;
    transform: translateY(-50%);
    width: 180px;
    font-family: 'Google Sans', sans-serif;
    font-size: 0.95rem;
  }
}

.toc-title {
  font-weight: bold;
  margin-bottom: 0.5rem;
  color: #363636;
}

.toc a {
  display: block;
  padding: 0.25rem 0 0.25rem 0.75rem;
  border-left: 2px solid #dbdbdb;
  color: #7a7a7a;
}

.toc a:hover {
  color: #3d7ade;
}

/* Subsection entries, indented under their section. */
.toc li.toc-sub a {
  padding-left: 1.75rem;
  font-size: 0.85rem;
}

.toc a.is-active {
  border-left-color: #3d7ade;
  color: #3d7ade;
  font-weight: bold;
}