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;
}

.publication-links {
  margin-top: 1rem;
}

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

.teaser .hero-body {
  padding-top: 0;
  padding-bottom: 1rem;
}

/* Markup lists sim/real pairs; fill by column so sim sits above real. */
.teaser-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  grid-auto-flow: column;
  gap: 4px;
}

.teaser .caption {
  margin-bottom: 1.5rem;
}

.teaser-grid figure {
  position: relative;
  transition: transform 0.15s, box-shadow 0.15s;
}

.teaser-grid figure:hover {
  z-index: 1;
  transform: scale(1.02);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.teaser-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.teaser-grid span,
.survivors span {
  position: absolute;
  top: 6px;
  left: 6px;
  padding: 0 6px;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  font-size: 0.75rem;
  font-weight: bold;
  text-transform: uppercase;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 2.5rem;
  color: #555;
}

.stats div {
  text-align: center;
}

.stats strong {
  display: block;
  font-size: 2rem;
  line-height: 1.2;
}

figure img {
  display: block;
  width: 100%;
  border-radius: 6px;
}

figcaption,
.caption {
  margin-top: 0.5rem;
  color: #666;
  font-size: 0.9rem;
  text-align: center;
}

[hidden] {
  display: none !important;
}

/* Environments: four disaster buttons and a locality switch, then the player with its playlist beside it. */
.env-picker {
  display: grid;
  grid-template-columns: 1fr 9rem;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.env-disasters {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.env-locales {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.env-disasters button,
.env-locales button {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.1rem 0.5rem;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  font: inherit;
  font-size: 1.15rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, transform 0.15s;
}

.env-disasters svg {
  font-size: 2rem;
}

.env-locales button {
  flex: 1;
  flex-direction: row;
  padding: 0.5rem;
  font-size: 1rem;
}

.env-disasters button:hover,
.env-locales button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.env-disasters button:hover {
  transform: translateY(-3px);
}

.env-disasters [aria-pressed="true"],
.env-locales [aria-pressed="true"],
.env-locales [aria-pressed="true"]:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

/* Points from the chosen disaster down to the player. */
.env-disasters [aria-pressed="true"]::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -1.35rem;
  transform: translateX(-50%);
  border: 0.6rem solid transparent;
  border-top-color: var(--accent);
}

/* The player sets the height: it is a padded 16:9 box, and the playlist is pinned to its top and bottom and
   scrolls, so the two always end flush. (Zen collapsed an earlier version that sized both by stretching.) */
.env-viewer {
  position: relative;
}

.env-screen {
  position: relative;
  width: 75%;
  padding-top: 42.1875%;
  overflow: hidden;
  border-radius: 8px;
  background: #000;
}

.env-screen video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* The playlist column: pinned to the player's top and bottom. The clip list scrolls; when it overflows, a bar
   under it says so and scrolls it on (back to the top once at the end). */
.env-side {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: calc(25% - 0.75rem);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.env-clips {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  overflow-y: auto;
  scrollbar-width: thin;
}

.env-more {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.35rem;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.env-more:hover {
  background: #254c62;
}

.env-more svg {
  transition: transform 0.2s;
}

.env-more.at-end svg {
  transform: rotate(180deg);
}

.env-clips button {
  position: relative;
  flex: none;
  padding: 0;
  border: 0;
  overflow: hidden;
  border-radius: 8px;
  background: #000;
  font: inherit;
  cursor: pointer;
}

.env-clips img {
  display: block;
  width: 100%;
  opacity: 0.6;
  transition: opacity 0.15s;
}

.env-clips button:hover img,
.env-clips [aria-pressed="true"] img {
  opacity: 1;
}

/* Selection frame, drawn over the label so the progress fill never hides it. A lighter blue than the fill keeps
   the frame visible where the fill meets it. */
.env-clips [aria-pressed="true"]::after {
  content: '';
  position: absolute;
  z-index: 2;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  border: 3px solid #6cb4dd;
  border-radius: 8px;
  pointer-events: none;
}

/* Play badge on the clips not playing. */
.env-clips button::before {
  content: '\25B6';
  position: absolute;
  z-index: 1;
  top: 42%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  padding-left: 0.2rem;
  border: 2px solid #fff;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  font-size: 0.85rem;
}

.env-clips [aria-pressed="true"]::before {
  content: none;
}

/* The label's own background is the progress bar: a dark track that the accent fills from the left as the clip
   plays. White text has strong contrast on both. z-index 0 keeps the fill (z-index -1) behind the text. */
.env-clips .label {
  position: absolute;
  z-index: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.35rem 0.7rem;
  background: rgba(16, 24, 30, 0.8);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: left;
}

.env-clips .bar {
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s linear;
}

/* Survivor clips in one panel per disaster: the 4-clip panels take 2 of 5 columns and the 6-clip panels 3, two
   rows each. With the tile gap twice the panel padding, every tile comes out the same width. On hover the panel
   itself grows upwards by --tab, carrying the disaster name; nothing else moves. The growth is taller than the gap
   between panels, so it may overlap the panel above. */
.survivors {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: 0.9rem;
}

.survivor-group {
  --tab: 1.6rem;
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
  gap: 0.8rem;
  padding: 0.4rem;
}

/* The panel's white body and outline: one rounded shape whose top edge moves up on hover, so the corners stay
   rounded throughout. */
.survivor-group::before {
  content: '';
  position: absolute;
  z-index: -1;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  border-radius: 10px;
  background: #e6edf2;
  box-shadow: 0 0 0 1px #cfdbe4;
  transition: top 0.2s;
}

.survivor-group:nth-child(even) {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* The name sits in the band the panel grows into. */
.survivor-group h3 {
  position: absolute;
  left: 0;
  bottom: 100%;
  display: flex;
  align-items: flex-end;
  height: var(--tab);
  padding: 0 0.8rem;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.25;
  opacity: 0;
  transition: opacity 0.2s;
}

.survivor-group:hover::before {
  top: calc(-1 * var(--tab));
}

.survivor-group:hover h3 {
  opacity: 1;
}

@media (hover: none) {
  .survivor-group::before {
    top: calc(-1 * var(--tab));
  }

  .survivor-group h3 {
    opacity: 1;
  }
}

.survivors figure {
  position: relative;
  cursor: zoom-in;
  transition: transform 0.15s, box-shadow 0.15s;
}

.survivors figure:hover {
  z-index: 1;
  transform: scale(1.02);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.survivors video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Captions show on hover; touch screens, which cannot hover, always show them. */
.survivors span {
  text-transform: none;
  opacity: 0;
  transition: opacity 0.15s;
}

.survivors figure:hover span {
  opacity: 1;
}

@media (hover: none) {
  .survivors span {
    opacity: 1;
  }
}

/* Scene generation flow chart. Images have fixed heights and every card shrinks to fit them, so cards differ in
   size but always have even padding. The generator is a 3 x 2 grid with cards centred in their cells; the gaps are
   the gutters the routed arrows (svg.pipe-arrows, drawn by static/js/index.js) run through. */
.pipeline {
  position: relative;
  display: grid;
  grid-template-columns: auto auto;
  justify-content: center;
  align-items: center;
  gap: 1rem 2.75rem;
}

.pipe-arrows {
  position: absolute;
  top: 0;
  left: 0;
  overflow: visible;
  pointer-events: none;
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
}

.pipe-arrows marker path,
.pipe-arrows circle {
  fill: var(--accent);
  stroke: none;
}

.pipe-stage {
  padding: 0.75rem;
  border-radius: 12px;
}

.pipe-stage h3 {
  margin-bottom: 0.6rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.pipe-generator {
  background: #eaf2fa;
  box-shadow: 0 0 0 1px #b8cde0;
}

.pipe-generator h3 {
  color: #1f4e79;
}

.pipe-simulator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  background: #ebf5ed;
  box-shadow: 0 0 0 1px #b5d3bb;
}

.pipe-simulator h3 {
  align-self: flex-start;
  margin-bottom: 0;
  color: #2e6b3a;
}

.pipe-grid {
  display: grid;
  grid-template-columns: repeat(3, auto);
  align-items: center;
  justify-items: center;
  gap: 1.75rem 2.75rem;
}

.pipe-card {
  width: min-content;
  padding: 0.5rem;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 0 0 1px var(--line);
}

.pipe-card h4 {
  margin-bottom: 0.35rem;
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

.pipe-card .image-zoom {
  width: auto;
}

.pipe-card img {
  width: auto;
  height: 8rem;
  max-width: none;
  border-radius: 4px;
}

/* A 2 x 2 grid of same-size thumbnails per card; --w is sized to each card's images so the cover-crop is slight. */
.pipe-thumbs {
  --w: 4.6rem;
  display: grid;
  grid-template-columns: repeat(2, var(--w));
  gap: 0.3rem;
}

.pipe-card[data-node="damaged"] .pipe-thumbs {
  --w: 5.6rem;
}

.pipe-thumbs img {
  width: var(--w);
  height: 4rem;
  object-fit: cover;
}

.pipe-card[data-node="trajectories"] img {
  height: 4rem;
}

.pipe-card[data-node="isaac"] img {
  height: 10rem;
}

/* Layout card: "Disaster" and "Intensity" with symbols for their values, over the bottom-left of the image. */
.pipe-layout {
  position: relative;
}

.pipe-tags {
  position: absolute;
  left: 0.35rem;
  bottom: 0.35rem;
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 0.15rem 0.45rem;
  padding: 0.25rem 0.45rem;
  border-radius: 6px;
  background: rgba(16, 24, 30, 0.82);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
  line-height: 1.2;
  pointer-events: none;
}

.pipe-symbols {
  display: flex;
  gap: 0.35rem;
  font-size: 0.75rem;
}

/* Intensity: three signal-style symbols, low / medium / high, with the unused bars dimmed. */
.pipe-levels {
  display: flex;
  justify-self: center;
  gap: 0.4rem;
}

.pipe-levels > span {
  display: flex;
  align-items: flex-end;
  gap: 1px;
  height: 0.75rem;
}

.pipe-levels b {
  width: 3px;
  height: 40%;
  background: #fff;
}

.pipe-levels b:nth-child(2) {
  height: 70%;
}

.pipe-levels b:nth-child(3) {
  height: 100%;
}

.pipe-levels > span:first-child b:nth-child(n + 2),
.pipe-levels > span:nth-child(2) b:nth-child(3) {
  opacity: 0.3;
}

/* Column 3 spans both grid rows: a small Human placement on top, Final scenes filling the rest. */
.pipe-col3 {
  grid-column: 3;
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  gap: 1.75rem;
  align-self: stretch;
}

.pipe-card[data-node="human"] .pipe-thumbs {
  --w: 3.6rem;
}

.pipe-card[data-node="human"] .pipe-thumbs img {
  height: 3rem;
}

/* Wider than the renders, so crop from the bottom and keep their top-left labels. */
.pipe-card[data-node="final"] .pipe-thumbs {
  --w: 6.4rem;
}

.pipe-card[data-node="final"] .pipe-thumbs img {
  height: 4.9rem;
  object-position: top;
}

/* Disaster models: disaster columns, locality rows, map panels, then one compact legend. */
.damage-grid {
  display: grid;
  grid-template-columns: auto repeat(4, minmax(0, 1fr));
  align-items: center;
  gap: 0.6rem;
}

.damage-col {
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: center;
}

.damage-row {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  color: var(--muted);
  font-weight: 600;
}

.damage-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 2.5rem;
  margin-top: 1.25rem;
}

.damage-legend > div {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.damage-legend b {
  color: var(--ink);
  font-weight: 600;
}

.legend-scale,
.legend-marks {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.85rem;
}

/* A continuous colour bar with each label inside its swatch: near-black text on light swatches, white on the
   dark ones (.on-dark), whichever contrasts more. Every swatch is at least 4.6:1 (WCAG AA). */
.legend-scale li {
  min-width: 4.6rem;
  padding: 0.2rem 0.5rem;
  background: var(--c);
  color: #111;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
}

.legend-scale .on-dark {
  color: #fff;
}

.legend-scale li:first-child {
  border-radius: 5px 0 0 5px;
}

.legend-scale li:last-child {
  border-radius: 0 5px 5px 0;
}

.legend-marks {
  gap: 0.4rem 1.25rem;
}

.legend-marks li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.legend-marks li::before {
  content: '';
  width: 1.8rem;
  border-top: 3px solid var(--c);
}

.legend-marks .dashed::before {
  border-top-style: dashed;
}

.legend-marks .outline::before {
  width: 1rem;
  height: 0.8rem;
  border: 2px solid var(--c);
}

@media (max-width: 768px) {
  .teaser-grid,
  .env-disasters,
  .survivor-group:nth-child(even) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  /* Phones stack the cards in flow order and drop the routed arrows. */
  .pipeline,
  .pipe-grid {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 0.75rem;
  }

  .pipe-arrows {
    display: none;
  }

  .pipe-card[data-node="layout"] {
    order: 1;
  }

  .pipe-card[data-node="model"] {
    order: 2;
  }

  .pipe-card[data-node="damaged"] {
    order: 3;
  }

  .pipe-col3 {
    order: 4;
    grid-column: auto;
    grid-row: auto;
    gap: 0.75rem;
  }

  .damage-col {
    font-size: 0.75rem;
  }

  .damage-legend > div {
    flex-direction: column;
    align-items: stretch;
    gap: 0.3rem;
    width: 100%;
  }

  .legend-scale {
    flex-wrap: nowrap;
    font-size: 0.7rem;
  }

  .legend-scale li {
    flex: 1;
    min-width: 0;
    padding: 0.2rem 0.1rem;
  }

  .env-picker {
    grid-template-columns: 1fr;
  }

  .env-disasters [aria-pressed="true"]::after {
    content: none;
  }

  .env-locales {
    flex-direction: row;
  }

  .env-screen {
    width: 100%;
    padding-top: 56.25%;
  }

  .env-side {
    position: static;
    width: auto;
    margin-top: 0.6rem;
  }

  .env-clips {
    flex-direction: row;
    overflow: auto hidden;
  }

  .env-more svg {
    transform: rotate(-90deg);
  }

  .env-more.at-end svg {
    transform: rotate(90deg);
  }

  .env-clips button {
    flex: 0 0 42%;
  }

  .env-clips button::before {
    top: 38%;
    width: 1.8rem;
    height: 1.8rem;
    font-size: 0.65rem;
  }

  .env-clips .label {
    padding: 0.2rem 0.4rem;
    font-size: 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  /* Center an odd one out on the last row. */
  .stats div:last-child:nth-child(odd) {
    grid-column: span 2;
  }

  /* One sim/real pair per row. */
  .teaser-grid {
    grid-template-rows: none;
    grid-auto-flow: row;
  }

  .has-text-justified {
    text-align: left !important;
  }
}

.equation {
  font-family: 'Castoro', serif;
  font-size: 1.25rem;
  text-align: center;
}

.results-table th:not(:first-child),
.results-table td:not(:first-child) {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

figure img {
  cursor: zoom-in;
}

#lightbox {
  max-width: none;
  max-height: none;
  padding: 0;
  border: 0;
  outline: none;
  background: transparent;
  cursor: zoom-out;
}

#lightbox::backdrop {
  background: rgba(0, 0, 0, 0.9);
}

/* Box fills the viewport; contain scales the image up or down to fit it. */
#lightbox img,
#lightbox video {
  display: block;
  width: 96vw;
  height: 96vh;
  object-fit: contain;
}

.publication-video {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
  overflow: hidden;
  border-radius: 10px;
}

.publication-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}