.merope-paper-body {
  margin: 0;
  background: #ffffff;
  color: #363636;
}

.merope-paper-shell {
  width: 100%;
  max-width: 908px;
  margin: 0 auto;
  padding: 0 24px 56px;
}

.merope-page,
.merope-page p,
.merope-page li {
  font-family: BlinkMacSystemFont, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

.merope-page a {
  color: #3273dc;
}

.merope-page a:hover {
  color: #1d5fc5;
}

.merope-hero {
  padding: 48px 0 52px;
  text-align: center;
}

.merope-hero h1 {
  max-width: 840px;
  margin: 0 auto 25px;
  color: #363636;
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
}

.merope-authors {
  max-width: 800px;
  margin: 0 auto;
  color: #4a4a4a;
  line-height: 1.55;
  text-align: center;
}

.merope-authors sup,
.merope-affiliations sup {
  font-size: 0.7em;
}

.merope-affiliations {
  margin: 10px 0 22px;
  color: #4a4a4a;
  font-size: 14px !important;
}

.merope-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.merope-button {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  gap: 7px;
  padding: 0 16px;
  border-radius: 999px;
  background: #eff5ff;
  color: #276cda !important;
  font-size: 14px;
}

.merope-button:hover {
  background: #e6efff;
}

.merope-button.is-disabled {
  background: #f5f5f5;
  color: #7a7a7a !important;
  cursor: default;
}

.merope-section {
  padding: 0 0 48px;
}

.merope-section h2 {
  margin: 0 0 14px;
  padding: 0;
  border: 0;
  color: #363636;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.25;
}

.merope-section p {
  margin: 0 0 16px;
}

.merope-section ul,
.merope-section ol {
  margin: 0 0 18px 1.5rem;
  padding: 0;
}

.merope-section li + li {
  margin-top: 4px;
}

.merope-summary {
  font-size: 17px !important;
}

.citation {
  font-size: 0.82em;
  white-space: nowrap;
}

.merope-page code {
  color: #363636;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.spacetime-diagram {
  position: relative;
  width: 100%;
  height: 260px;
  margin: 22px auto 10px;
  overflow: hidden;
  border: 1px solid #dbdbdb;
  background: #ffffff;
}

.time-region {
  position: absolute;
  top: 10px;
  z-index: 5;
  color: #5f6368;
  font-size: 16px;
  font-weight: 700;
}

.time-region-past {
  left: 25%;
  transform: translateX(-50%);
}

.time-region-future {
  left: 75%;
  transform: translateX(-50%);
}

.prediction-boundary {
  position: absolute;
  top: 36px;
  bottom: 49px;
  left: 50%;
  z-index: 1;
  border-left: 1px dashed #9aa0a6;
}

.prediction-boundary span {
  position: absolute;
  top: -1px;
  left: 8px;
  color: #80868b;
  font-size: 13px;
  white-space: nowrap;
}

.prediction-boundary b {
  position: absolute;
  bottom: -25px;
  left: 7px;
  color: #5f6368;
  font-size: 13px;
  font-weight: 400;
  white-space: nowrap;
}

.ray-legend {
  position: absolute;
  bottom: 9px;
  left: 50%;
  z-index: 5;
  display: flex;
  gap: 18px;
  transform: translateX(-50%);
  color: #6f6f6f;
  font-size: 13px;
  white-space: nowrap;
}

.ray-legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.ray-legend em {
  color: #4a4a4a;
  font-family: Georgia, serif;
}

.legend-origin {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #e85d3f;
}

.legend-ray {
  position: relative;
  display: inline-block;
  width: 28px;
  height: 2px;
  background: #3273dc;
}

.legend-ray::after {
  position: absolute;
  top: -3px;
  right: -1px;
  width: 0;
  height: 0;
  border-top: 3.5px solid transparent;
  border-bottom: 3.5px solid transparent;
  border-left: 6px solid #3273dc;
  content: "";
}

.time-axis {
  position: absolute;
  top: 210px;
  right: 18px;
  left: 96px;
  z-index: 2;
  height: 2px;
  background: #5f6368;
}

.time-axis::after {
  position: absolute;
  top: -4px;
  right: -1px;
  width: 0;
  height: 0;
  border-top: 4.5px solid transparent;
  border-bottom: 4.5px solid transparent;
  border-left: 8px solid #5f6368;
  content: "";
}

.time-axis > span {
  position: absolute;
  top: 7px;
  right: 0;
  color: #5f6368;
  font-size: 14px;
}

.time-axis > span i {
  font-family: Georgia, serif;
}

.spatial-axes {
  position: absolute;
  bottom: 4px;
  left: 18px;
  z-index: 4;
  width: 76px;
  height: 62px;
}

.axis-line {
  position: absolute;
  bottom: 13px;
  left: 13px;
  width: 46px;
  height: 2px;
  transform-origin: left center;
}

.axis-line::after {
  position: absolute;
  top: -3px;
  right: -1px;
  width: 0;
  height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  content: "";
}

.axis-x {
  background: #d84a3a;
}

.axis-x::after {
  border-left: 7px solid #d84a3a;
}

.axis-y {
  width: 40px;
  transform: rotate(-34deg);
  background: #3e9b5b;
}

.axis-y::after {
  border-left: 7px solid #3e9b5b;
}

.axis-z {
  width: 42px;
  transform: rotate(-90deg);
  background: #3976bd;
}

.axis-z::after {
  border-left: 7px solid #3976bd;
}

.axis-center {
  position: absolute;
  bottom: 10px;
  left: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4a4a4a;
}

.axis-label {
  position: absolute;
  font-family: Georgia, serif;
  font-size: 15px;
  font-style: italic;
  font-weight: 700;
}

.axis-label-x { right: 3px; bottom: 5px; color: #b33b2d; }
.axis-label-y { top: 13px; right: 14px; color: #2f8147; }
.axis-label-z { top: -2px; left: 6px; color: #2e639f; }

.camera-pose {
  position: absolute;
  top: var(--top);
  left: var(--left);
  z-index: 3;
  width: 46px;
  height: 36px;
}

.camera-time {
  position: absolute;
  top: -26px;
  left: 20px;
  color: #4a4a4a;
  font-family: Georgia, serif;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.time-guide {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 0;
  height: calc(190px - var(--top));
  border-left: 1px dotted #c3c7ca;
}

.camera-vector {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: calc(var(--ray-length) + 46px);
  height: 38px;
  transform: rotate(var(--angle));
  transform-origin: 21px 14px;
}

.camera-body {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 3;
  width: 42px;
  height: 28px;
  border: 1px solid #3e64a4;
  background: #7192cd;
}

.camera-body::before {
  position: absolute;
  top: -7px;
  left: 7px;
  width: 17px;
  height: 6px;
  border: 1px solid #3e64a4;
  background: #8aa5d7;
  content: "";
}

.camera-body::after {
  position: absolute;
  top: 5px;
  right: -14px;
  width: 0;
  height: 0;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  border-left: 14px solid #5278ba;
  content: "";
}

.camera-origin {
  position: absolute;
  top: 9px;
  left: 16px;
  z-index: 5;
  width: 10px;
  height: 10px;
  border: 1px solid #ffffff;
  border-radius: 50%;
  background: #e85d3f;
}

.viewing-ray {
  position: absolute;
  top: 13px;
  left: 21px;
  z-index: 4;
  width: var(--ray-length);
  height: 3px;
  background: #3273dc;
}

.viewing-ray::after {
  position: absolute;
  top: -4px;
  right: -1px;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid #3273dc;
  content: "";
}

.figure-caption,
figcaption {
  color: #6f6f6f;
  font-size: 14px !important;
  line-height: 1.5;
}

.figure-caption {
  text-align: center;
}

.merope-page figure {
  margin: 0;
}

.center-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.center-figure figcaption {
  margin-top: 8px;
  text-align: center;
}

.math-display {
  margin: 20px auto;
  overflow-x: auto;
  color: #202124;
  font-size: 17px;
  text-align: center;
}

.math-display mjx-container[display="true"] {
  min-width: max-content;
  margin: 0.7em 0 !important;
}

.motivation-figure {
  max-width: 520px;
}

.operator-figure {
  max-width: 560px;
}

.center-figure {
  margin: 24px auto !important;
}

.narrow-figure {
  max-width: 620px;
}

.narrow-figure img {
  max-width: 300px;
  margin: 0 auto;
}

.disparity-cue {
  color: #705f80;
  font-weight: 600;
}

.video-gallery {
  display: grid;
  margin: 22px 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.video-gallery-wide {
  grid-template-columns: 1fr;
  gap: 18px;
}

.video-gallery video {
  display: block;
  width: 100%;
  height: auto;
  background: #111111;
}

.video-gallery figcaption {
  margin-top: 5px;
  text-align: center;
}

.more-results {
  margin-top: 20px;
  border-top: 1px solid #dbdbdb;
  border-bottom: 1px solid #dbdbdb;
}

.more-results summary {
  padding: 12px 2px;
  color: #3273dc;
  cursor: pointer;
  font-size: 14px;
}

.more-results[open] summary {
  border-bottom: 1px solid #eeeeee;
}

.more-results .video-gallery {
  padding: 8px 0;
}

.merope-section pre {
  margin: 0;
  padding: 18px;
  overflow-x: auto;
  border: 1px solid #dbdbdb;
  background: #fafafa;
  font-size: 13px;
  line-height: 1.55;
}

.paper-references ol {
  margin-left: 1.2rem;
}

.paper-references li,
.paper-references a {
  font-size: 14px;
}

@media (min-width: 769px) {
  .merope-section > p {
    text-align: justify;
  }
}

@media (max-width: 768px) {
  .merope-paper-shell {
    padding-right: 18px;
    padding-left: 18px;
  }

  .merope-hero {
    padding-top: 38px;
  }

  .merope-hero h1 {
    font-size: 28px;
  }

}

@media (max-width: 560px) {
  .merope-page,
  .merope-page p,
  .merope-page li {
    font-size: 16px;
  }

  .merope-hero h1 {
    font-size: 25px;
  }

  .merope-section h2 {
    font-size: 21px;
  }

  .video-gallery {
    grid-template-columns: 1fr;
  }

  .spacetime-diagram {
    height: 238px;
  }

  .time-region {
    font-size: 13px;
  }

  .prediction-boundary {
    top: 34px;
    bottom: 47px;
  }

  .prediction-boundary span {
    display: none;
  }

  .time-axis {
    top: 190px;
    right: 14px;
    left: 70px;
  }

  .time-guide {
    height: calc(170px - var(--top));
  }

  .camera-vector {
    transform: rotate(var(--angle)) scale(0.72);
  }

  .camera-time {
    top: -22px;
    font-size: 13px;
  }

  .spatial-axes {
    bottom: 8px;
    left: 14px;
    transform: scale(0.78);
    transform-origin: bottom left;
  }

  .ray-legend {
    bottom: 6px;
    gap: 10px;
    font-size: 12px;
  }

  .math-display {
    font-size: 14px;
  }

  .merope-button {
    width: auto;
  }
}