.reveal .radial-tabs {
  font-size: 0.92em;
}

.reveal .radial-tabs > ul[role="tablist"] {
  display: flex;
  flex-wrap: wrap;
  gap: 0.28rem;
  margin: 0 0 0.65rem;
  padding: 0;
}

.reveal .radial-tabs > ul[role="tablist"] li {
  margin: 0;
}

.reveal .radial-tabs > ul[role="tablist"] a {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.22rem 0.58rem;
  border: 1px solid #34445c;
  border-radius: 7px;
  background: #101722;
  color: #d7dde8;
  font-size: 0.7em;
  text-decoration: none;
}

.reveal .radial-tabs > ul[role="tablist"] a .math.inline {
  margin-left: 0.2em;
}

.reveal .radial-tabs > ul[role="tablist"] a[aria-selected="true"] {
  border-color: #8ec5ff;
  background: #8ec5ff;
  color: #050505;
}

.reveal .radial-tabs .tab-content {
  min-height: 560px;
}

.reveal .radial-tabs .tab-content > div {
  padding: 0.1rem 0.15rem 0;
}

.reveal .radial-tabs p {
  margin: 0.45em 0;
}

.reveal .radial-tabs .math.display {
  margin: 0.48em 0;
}

.reveal .radial-figure {
  display: grid;
  place-items: center;
  height: 690px;
  margin: 0 auto;
}

.reveal .radial-figure img {
  display: block;
  width: auto !important;
  max-width: 100%;
  height: auto;
  max-height: 690px;
  margin: 0 auto !important;
  border: 0;
  box-shadow: none;
  object-fit: contain;
}

.reveal .radial-figure-wide img {
  max-height: 650px;
}

.reveal .radial-figure.radial-figure-compact {
  height: 650px;
}

.reveal .radial-figure.radial-figure-compact img {
  max-height: 650px;
}

.reveal .radial-caption {
  max-width: 1180px;
  margin: 0.35rem auto 0;
  color: #c9d2df;
  font-size: 0.62em;
  line-height: 1.28;
  text-align: center;
}

.reveal .radial-two-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
  align-items: start;
}

.reveal .radial-card {
  padding: 0.7rem 0.9rem;
  border: 1px solid #2f4057;
  border-radius: 10px;
  background: #0b111b;
}

.reveal .radial-card h3,
.reveal .radial-card-title {
  margin: 0 0 0.35rem;
  color: #8ec5ff;
  font-size: 0.82em;
  font-weight: 700;
}

.reveal .radial-card p,
.reveal .radial-card li {
  font-size: 0.76em;
}

.reveal .radial-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
  align-items: stretch;
  margin-top: 1rem;
}

.reveal .radial-flow.radial-flow-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.reveal .radial-flow > div {
  position: relative;
  padding: 0.75rem;
  border: 1px solid #34445c;
  border-radius: 10px;
  background: #0b111b;
  font-size: 0.72em;
  text-align: center;
}

.reveal .radial-flow > div:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -0.62rem;
  color: #8ec5ff;
  font-size: 1.35em;
  transform: translate(50%, -50%);
  z-index: 2;
}

.reveal .falling-signals-scene {
  width: min(100%, 1360px);
  margin: 0 auto;
  color: #f2f2f2;
  font-size: 0.54em;
}

.reveal .falling-signals-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  margin: 0 0 0.55rem;
}

.reveal .falling-signals-toolbar button {
  appearance: none;
  min-height: 2rem;
  padding: 0.25rem 0.68rem;
  border: 1px solid #34445c;
  border-radius: 7px;
  background: #101722;
  color: #d7dde8;
  cursor: pointer;
  font: inherit;
}

.reveal .falling-signals-toolbar button[aria-pressed="true"],
.reveal .falling-signals-toolbar button.primary {
  border-color: #8ec5ff;
  background: #8ec5ff;
  color: #050505;
}

.reveal .falling-signals-readout {
  margin-left: auto;
  color: #b8c4d8;
  font-variant-numeric: tabular-nums;
}

.reveal .falling-signals-stage svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 650px;
}

.reveal .falling-signals-bg {
  fill: #070a0f;
  stroke: #243244;
  stroke-width: 1.2;
}

.reveal .falling-signals-panel {
  fill: #0b111b;
  stroke: #303b4f;
  stroke-width: 1.2;
}

.reveal .falling-signals-grid {
  stroke: #1e2a3b;
  stroke-width: 1;
}

.reveal .falling-signals-axis {
  stroke: #cdd7e5;
  stroke-width: 2;
}

.reveal .falling-signals-horizon {
  stroke: #58a6ff;
  stroke-width: 3;
  stroke-dasharray: 9 8;
}

.reveal .falling-signals-singularity {
  stroke: #ff7575;
  stroke-width: 4;
}

.reveal .falling-signals-worldline-m,
.reveal .falling-signals-worldline-o,
.reveal .falling-signals-ray {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.reveal .falling-signals-worldline-m {
  stroke: #8ec5ff;
  stroke-width: 5;
}

.reveal .falling-signals-worldline-o {
  stroke: #ffcc4d;
  stroke-width: 5;
}

.reveal .falling-signals-ray {
  stroke: #ff7575;
  stroke-width: 5;
  filter: url(#signal-glow);
}

.reveal .falling-signals-ray-future {
  opacity: 0.25;
  stroke-dasharray: 8 9;
}

.reveal .falling-signals-object-m {
  fill: #8ec5ff;
  stroke: #ffffff;
  stroke-width: 3;
}

.reveal .falling-signals-object-o {
  fill: #ffcc4d;
  stroke: #ffffff;
  stroke-width: 3;
}

.reveal .falling-signals-photon {
  fill: #ff7575;
  stroke: #ffffff;
  stroke-width: 2.5;
  filter: url(#signal-glow);
}

.reveal .falling-signals-label {
  fill: #d7dde8;
  font-size: 20px;
}

.reveal .falling-signals-label-strong {
  fill: #ffffff;
  font-size: 22px;
  font-weight: 700;
}

.reveal .falling-signals-muted {
  fill: #9fb0c7;
  font-size: 17px;
}

.reveal .falling-signals-result {
  fill: #ffcc8a;
  font-size: 23px;
  font-weight: 700;
}

@media (max-width: 900px) {
  .reveal .radial-two-columns,
  .reveal .radial-flow {
    grid-template-columns: 1fr 1fr;
  }
}