.demo-intro {
  max-width: 60rem;
  gap: var(--space-sm);
  padding-block: var(--space-md);
}

.demo-intro h1 {
  max-width: 21ch;
  font-size: clamp(1.9rem, 4vw, 2.45rem);
}

.demo-section {
  display: grid;
  gap: var(--space-sm);
  max-width: 60rem;
  padding-block: var(--space-md) var(--space-2xl);
  scroll-margin-block-start: var(--space-md);
}

.demo-section + .demo-section {
  border-block-start: 1px solid var(--color-rule);
}

.demo-section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.65rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.demo-intro-copy,
.demo-note,
.demo-summary {
  color: var(--color-ink-soft);
  max-width: 66ch;
}

.demo-panel {
  padding: clamp(1rem, 3vw, 2rem);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  background: var(--color-paper-raised);
  min-width: 0;
  scroll-margin-block-start: var(--space-sm);
}

.demo-panel > .demo-note:first-child {
  margin-block-end: var(--space-md);
}

.demo-controls {
  display: grid;
  gap: var(--space-md);
  min-width: 0;
  padding: 0;
  margin: 0 0 var(--space-lg);
  border: 0;
}

.demo-controls legend {
  padding: 0 0 var(--space-md);
  font-weight: 700;
}

.demo-sample-control,
.demo-shift-control {
  display: grid;
  gap: var(--space-xs);
}

.demo-controls select,
.demo-controls button {
  min-height: 44px;
  padding: var(--space-sm);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  background: var(--color-paper);
  color: var(--color-ink);
  font: inherit;
}

.demo-controls select {
  width: 100%;
  max-width: 100%;
}

.demo-offset-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-xs) var(--space-md);
}

.demo-offset-line output {
  color: var(--color-accent);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.demo-controls input[type="range"] {
  width: 100%;
  min-height: 44px;
  margin: 0;
  accent-color: var(--color-accent);
}

.demo-presets {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-xs);
}

.demo-controls button {
  cursor: pointer;
  line-height: 1.3;
  word-break: keep-all;
  overflow-wrap: normal;
}

.demo-controls button[aria-pressed="true"] {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.demo-controls :is(button, select, input):focus-visible,
.demo-panel:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 4px;
}

.demo-controls:disabled {
  opacity: 0.65;
}

.demo-table {
  width: 100%;
  table-layout: fixed;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.demo-table caption {
  padding-block: var(--space-xs) var(--space-sm);
  text-align: start;
  color: var(--color-ink-soft);
}

.demo-table th,
.demo-table td {
  padding: var(--space-sm) var(--space-2xs);
  border-block-end: 1px solid var(--color-rule);
  text-align: start;
  vertical-align: top;
  overflow-wrap: anywhere;
}

.demo-table thead th {
  font-weight: 400;
  color: var(--color-ink-soft);
}

.demo-table :is([data-before-day], [data-after-day], time) {
  display: block;
}

.demo-table time {
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 4vw, 1.6rem);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.demo-table td:last-child time {
  color: var(--color-accent);
  font-weight: 700;
}

.demo-day-change {
  display: inline-block;
  margin-block-start: var(--space-2xs);
  font-weight: 700;
  color: var(--color-accent);
}

.demo-day-change[hidden],
[data-load-note][hidden] {
  display: none;
}

.demo-summary {
  margin-block-start: var(--space-md);
  font-size: var(--text-sm);
}

.demo-cta {
  display: grid;
  gap: var(--space-xs);
}

.demo-cta .text-link {
  white-space: normal;
  line-height: 1.5;
  justify-self: start;
}

.demo-cta p {
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}