.reveal .coauthor-grid {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.2rem;
}

.reveal .coauthor-grid figure {
  width: 270px;
  margin: 0;
}

.reveal .coauthor-grid figcaption {
  white-space: nowrap;
}

.reveal .coauthor-avatar {
  width: 210px;
  height: 210px;
  object-fit: cover;
  border: 0;
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(18, 20, 38, 0.2);
}

.reveal .topic-roadmap-list {
  width: 88%;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.48);
  list-style-position: inside;
}

.reveal .topic-roadmap-list li {
  margin: 0.3em 0;
  padding: 0.45em 0.65em;
  border-radius: 0.4rem;
  text-align: left;
}

.reveal .topic-roadmap-list li.active {
  color: white;
  background: #4285f4;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.24);
}

.reveal .classification-conclusion-first p {
  font-size: 1.15em;
}

.reveal .classification-conclusion-first p:last-child {
  color: #db4437;
  font-weight: 700;
}

.reveal .motivation-spectral-table {
  width: 98%;
  margin: 0.8rem auto 0;
  font-size: 0.78em;
}

.reveal .motivation-spectral-table td {
  padding: 0.45em 0.55em;
}

.reveal .classification-result-table {
  width: calc(100% - 1rem);
  margin: 0.5rem auto;
  font-size: 0.82em;
}

.reveal .classification-result-table td {
  padding: 0.42em 0.25em;
}

.reveal .classification-result-table tr:last-child td {
  padding: 0.65em 0.35em;
}

.reveal .classification-exception-summary {
  margin: 0.55rem 0 0;
}

.reveal .generic-family-notation {
  position: relative;
  height: 1.35em;
  margin: 0.45rem 0 0.6rem;
  font-size: 1.45em;
}

.reveal .generic-family-notation .notation-state {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  background: white;
  text-align: center;
}

.reveal .generic-family-notation .notation-state:last-child {
  z-index: 2;
}

.reveal .generic-graph-row {
  display: flex;
  min-height: 150px;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
}

.reveal .generic-family-graph {
  margin: 0;
}

.reveal .generic-family-graph line {
  stroke: #121426;
  stroke-width: 4;
  stroke-linecap: round;
}

.reveal .generic-family-graph circle {
  fill: white;
  stroke: #121426;
  stroke-width: 4;
}

.reveal .generic-graph-separator {
  font-size: 1.25em;
}

.reveal .generic-family-operation {
  margin: 0.45em 0;
}

.reveal .history-cell .fragment.history-highlight-change.current-fragment,
.reveal .history-name {
  color: #e67700;
}

.reveal .photo-pending {
  color: #777;
  font-style: italic;
}

.reveal .construction-race,
.reveal .surprise-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-top: 1rem;
}

.reveal .construction-card,
.reveal .surprise-card {
  min-height: 255px;
  padding: 0.7rem 1rem;
  border: 6px solid #4885ed;
  border-radius: 0.5rem;
}

.reveal .construction-card.exceptional,
.reveal .surprise-card.found {
  border-color: #db4437;
}

.reveal .construction-card h4,
.reveal .surprise-card h4 {
  margin: -0.7rem -1rem 0.6rem;
  padding: 0.35rem;
  color: white;
  background: #4885ed;
}

.reveal .construction-card.exceptional h4,
.reveal .surprise-card.found h4 {
  background: #db4437;
}

.reveal .rank-objective {
  margin: 0 0 0.45rem;
  font-size: 1em;
}

.reveal .rank-comparison-slide {
  font-size: 70%;
}

.reveal .rank-constructions {
  margin-top: 0.35rem;
}

.reveal .rank-constructions .construction-card {
  min-height: 205px;
  padding-top: 0.45rem;
  padding-bottom: 0.35rem;
}

.reveal .rank-constructions .construction-card p {
  margin: 0.28em 0;
}

.reveal .second-multiplicity-theorem {
  margin-top: 0.55rem;
}

.reveal .construction-summary {
  margin: 0.45rem 0 0;
  color: #db4437;
  font-size: 1em;
  font-weight: 700;
}

.reveal .cherry-row {
  display: flex;
  justify-content: center;
  gap: 0.15rem;
}

.reveal .cherry-row line,
.reveal .forbidden-card line {
  stroke: #121426;
  stroke-width: 3;
}

.reveal .cherry-row circle,
.reveal .forbidden-card circle {
  fill: white;
  stroke: #121426;
  stroke-width: 3;
}

.reveal .classification-table {
  width: 100%;
  margin: 0.55rem auto;
  font-size: 0.58em;
}

.reveal .classification-table th,
.reveal .classification-table td {
  padding: 0.17em 0.25em;
}

.reveal .switching-box {
  margin: 1rem auto;
  padding: 0.6rem;
  border-left: 8px solid #4285f4;
  background: #eef5ff;
}

.reveal .forbidden-grid {
  display: flex;
  width: 94%;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  gap: 0.45rem;
}

.reveal .forbidden-card {
  display: flex;
  flex: 0 0 auto;
  box-sizing: border-box;
  align-items: center;
  justify-content: center;
  padding: 0.55rem;
  border-radius: 0.4rem;
  background: #ececec;
}

.reveal .forbidden-card svg {
  display: block;
  width: auto;
  height: auto;
}

.reveal .proof-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  margin-top: 1.2rem;
}

.reveal .proof-step {
  width: 180px;
  min-height: 180px;
  padding: 0.55rem;
  border-radius: 0.5rem;
  background: #eef5ff;
}

.reveal .proof-step span {
  display: inline-grid;
  width: 1.6em;
  height: 1.6em;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: #4285f4;
}

.reveal .proof-arrow {
  color: #4285f4;
  font-size: 1.4em;
}

.reveal .forbidden-proof-list {
  width: 78%;
  margin: 0.55rem auto 0;
  text-align: left;
}

.reveal .open-problem-question {
  padding: 0.75rem;
  color: white;
  background: #db4437;
}

.reveal .open-problem-question > p:first-child,
.reveal .open-problem-question > p:last-child {
  margin: 0;
  padding: 0;
  color: white;
  background: transparent;
}

.reveal .open-problem-results {
  margin-top: 0.8em;
}

.reveal .surprise-card {
  min-height: 230px;
}

.reveal .slide-reference-label {
  position: absolute;
  right: 0;
  bottom: -1.7rem;
  z-index: 20;
  padding: 0.18rem 0.42rem;
  border: 1px solid rgba(18, 20, 38, 0.22);
  border-radius: 0.3rem;
  color: rgba(18, 20, 38, 0.62);
  background: rgba(255, 255, 255, 0.82);
  font-family: monospace;
  font-size: 0.34em;
  line-height: 1;
  pointer-events: none;
}

.reveal:not(.show-slide-reference-labels) .slide-reference-label {
  display: none;
}

.reveal .rotating-icosahedron {
  overflow: visible;
  filter: drop-shadow(0 5px 7px rgba(18, 20, 38, 0.14));
}

.reveal .dimension-examples {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 3rem;
  margin-top: 0.4rem;
}

.reveal .dimension-examples figure {
  margin: 0;
}

.reveal .dimension-examples figcaption {
  margin-top: 0.1rem;
  font-size: 0.72em;
}

.reveal .ordinary-line-table,
.reveal .fixed-angle-line-table {
  max-height: 20rem;
  overflow: hidden;
}

.reveal .comparison-table-offstage {
  max-height: 0;
  margin: 0;
  opacity: 0;
  transform: translateY(-2.5rem);
}

.reveal .dimension-value-table {
  margin: 0.12em auto;
}

.reveal .spectral-order-layout {
  align-items: center;
  gap: 0.8rem;
  margin-top: 0.45rem;
}

.reveal .spectral-order-layout > .col:first-child {
  flex: 0 0 41%;
}

.reveal .spectral-order-layout > .col:last-child {
  flex: 0 0 57%;
}

.reveal .spectral-order-definition p {
  margin: 0;
  font-size: 0.88em;
}

.reveal .spectral-order-layout table {
  margin: 0 auto;
}

.reveal .compact-team-photo {
  margin-bottom: -4.7rem;
  transform: scale(0.8);
  transform-origin: top center;
}

.reveal .line-graph-dictionary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  margin-top: 0.5rem;
  column-gap: 1.8rem;
}

.reveal .line-graph-dictionary > div {
  min-height: 1.8em;
  margin: 0;
  padding: 0.32em 0.5em;
}

.reveal .line-graph-dictionary .dictionary-heading {
  padding-bottom: 0.42em;
  font-size: 1.25em;
  font-weight: 700;
}

.reveal .rotating-icosahedron line {
  stroke: #121426;
  stroke-linecap: round;
  transition: opacity 120ms linear;
}

.reveal .rotating-icosahedron line.rear-edge {
  stroke-dasharray: 4 5;
}

.reveal .rotating-icosahedron line.icosahedron-diagonal {
  stroke: #0f9d58;
  stroke-width: 2.8;
  stroke-dasharray: none;
  opacity: 0.82;
}

.reveal .rotating-icosahedron circle {
  fill: #fff;
  stroke: #121426;
}