.reveal .slides section {
  text-align: left;
}

.reveal .slides section h1,
.reveal .slides section h2,
.reveal .slides section h3 {
  text-align: center;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

.reveal input,
.reveal button,
.reveal select,
.reveal textarea,
.reveal label,
.reveal summary {
  touch-action: manipulation;
}

.reveal input[type="range"] {
  touch-action: pan-x;
}

.reveal {
  font-size: 24px;
  color: #3f3f3f;
  --total-probability-controls-offset-y: 20px;
}

.reveal,
.reveal .slides,
.reveal .slide-background,
.reveal .slide-background-content {
  background: rgb(247, 247, 247);
}

.reveal h1 {
  font-size: 1.8em;
}

.reveal h2 {
  font-size: 1.4em;
}

.reveal h3 {
  font-size: 1.15em;
}

.back-link-row {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  width: 100%;
  margin-top: 12px;
}

.back-link {
  display: inline-block;
  margin: 6px auto 0;
  font-size: 0.95em;
  letter-spacing: 0.03em;
  color: #1f1f1f;
  text-decoration: none;
}

.total-probability-demo {
  margin-top: 18px;
}

.total-probability-layout {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}

.sample-space-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.sample-space-grid {
  display: block;
  width: min(420px, 72vw);
  max-width: 100%;
  height: auto;
}

.sample-space-legend {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95em;
}

.legend-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #c7463d;
  border: 2px solid #8e2e28;
  box-sizing: border-box;
}

.total-probability-controls {
  display: flex;
  flex-direction: column;
  gap: 18px;
  width: min(340px, 88vw);
  margin-top: var(--total-probability-controls-offset-y);
}

.control-block {
  padding: 14px 16px;
  border: 1px solid #d2d2d2;
  border-radius: 12px;
  background: #ffffff;
}

.formula-line {
  min-height: 38px;
  overflow-x: auto;
  overflow-y: hidden;
}

.control-slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}

.control-slider-row input[type="range"] {
  flex: 1 1 auto;
  accent-color: #2e6f8e;
}

.slider-value {
  min-width: 56px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.total-formula-line {
  margin: 18px auto 0;
  padding: 4px 18px;
  max-width: 980px;
  border: 1px solid #d2d2d2;
  border-radius: 12px;
  background: #ffffff;
  text-align: center;
  overflow-x: auto;
  overflow-y: hidden;
}