.timing-intro { max-width: 65ch; margin-bottom: 48px; }
.timing-jump { display: flex; flex-wrap: wrap; gap: 8px 24px; padding: 24px 0; border-bottom: 1px solid #c5cbbb; }
.timing-jump a { display: inline-flex; align-items: center; min-height: 44px; font-size: 16px; color: #314927; text-decoration: underline; text-underline-offset: 4px; }
.timing-gallery { max-width: 1120px; }
.timing-gallery>section { margin-bottom: 64px; scroll-margin-top: 120px; }
.timing-gallery h2 { font-size: clamp(28px, 3vw, 40px); line-height: 1.2; margin: 8px 0 16px; letter-spacing: -.035em; }
.timing-lead { max-width: 65ch; font-size: 18px; line-height: 1.6; color: #465341; }

/* Match the original dark trace illustrations. The SVG shares this palette;
   neither the chart nor its downloads depend on an image inversion filter. */
.timing-figure {
  --timing-bg: #0e1c2e;
  --timing-text: #edf3fb;
  --timing-muted: #b7c8da;
  --timing-line: #304257;
  --timing-accent: #a9c9f1;
  min-width: 0; max-width: 100%; margin: 32px 0 48px; padding: 32px;
  border: 1px solid #34475d; border-radius: 16px;
  background: var(--timing-bg); color: var(--timing-text);
  box-shadow: 0 4px 16px #0e1c2e14; scroll-margin-top: 120px;
}
.timing-figure[data-timing-tone="pass"] { --timing-accent: #6bd7bd; }
.timing-figure[data-timing-tone="fault"] { --timing-accent: #ffc38f; }
.prose .timing-figure { max-width: 100%; }
.timing-figure .timing-heading { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 16px; margin: 0; color: var(--timing-text); }
.timing-title { display: block; flex: 1 1 320px; font-size: 24px; font-weight: 600; line-height: 1.3; letter-spacing: -.025em; color: var(--timing-text); }
.timing-status { display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0; min-height: 32px; padding: 4px 8px; border: 1px solid var(--timing-line); border-radius: 8px; font-size: 12px; line-height: 1.5; font-weight: 600; color: var(--timing-accent); }
.timing-status svg { flex-shrink: 0; }
.timing-figure .timing-provenance { font-size: 14px; line-height: 1.6; color: var(--timing-muted); margin: 8px 0 0; }
.timing-scroll { overflow: auto; max-width: 100%; border-radius: 8px; background: var(--timing-bg); margin: 24px 0; scrollbar-color: #7895b4 #16283e; }
.timing-scroll:focus-visible { outline: 3px solid #a9c9f1; outline-offset: 4px; }
.timing-figure .timing-scroll img { display: block; width: 100%; min-width: 720px; max-width: none; height: auto; margin: 0; border: 0; border-radius: 0; }
.timing-figure .timing-scroll-hint { display: none; margin: -8px 0 24px; font-size: 12px; line-height: 1.6; color: var(--timing-muted); }
.timing-summary { max-width: 65ch; padding-left: 16px; border-left: 2px solid var(--timing-accent); }
.timing-summary-label { display: block; margin-bottom: 8px; font-size: 12px; line-height: 1.5; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--timing-accent); }
.timing-figure .timing-summary p { margin: 0; font-size: 18px; line-height: 1.6; color: var(--timing-text); }
.timing-figure .timing-details { border: 0; border-top: 1px solid var(--timing-line); margin-top: 24px; padding: 0; }
.timing-details>summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 48px; padding: 16px 0 0; cursor: pointer; list-style: none; font-size: 14px; line-height: 1.5; font-weight: 500; color: var(--timing-muted); }
.timing-details>summary::-webkit-details-marker { display: none; }
.timing-details>summary svg { flex-shrink: 0; transition: transform 180ms ease; }
.timing-details[open]>summary svg { transform: rotate(90deg); }
.timing-details>summary:hover { color: var(--timing-text); }
.timing-detail-body { padding-top: 24px; }
.timing-figure .timing-details p { padding: 0; }
.timing-observations { max-width: 65ch; font-size: 16px; line-height: 1.7; color: var(--timing-text); }
.timing-observations ul { margin: 0 0 24px; padding-left: 24px; }
.timing-observations li { margin: 8px 0; }
.timing-observations li::marker { color: var(--timing-accent); }
.timing-figure .timing-caption { display: block; margin: 0 0 16px; font-size: 14px; line-height: 1.7; max-width: 65ch; color: var(--timing-muted); }
.timing-figure .timing-actions { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 16px 0; font-size: 14px; }
.timing-actions a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 600; }
.timing-figure .timing-sources, .timing-figure .timing-credit { font-size: 14px; line-height: 1.8; max-width: 65ch; color: var(--timing-muted); overflow-wrap: anywhere; margin: 16px 0 0; }
.timing-figure a { color: #a9c9f1; text-decoration: underline; text-decoration-color: currentColor; text-underline-offset: 4px; }
.timing-figure a:hover { color: var(--timing-text); }
.timing-figure a:focus-visible, .timing-details>summary:focus-visible { outline: 3px solid #a9c9f1; outline-offset: 4px; border-radius: 4px; }
.timing-jump a:focus-visible { outline: 3px solid #527b32; outline-offset: 4px; border-radius: 4px; }
.timing-figure .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media(max-width: 1000px) {
  .timing-figure .timing-scroll-hint { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
}
@media(max-width: 700px) {
  .timing-figure { padding: 24px 16px; border-radius: 16px; margin: 24px 0 32px; }
  .timing-figure .timing-heading { gap: 8px; }
  .timing-title { flex-basis: 100%; font-size: 20px; }
  .timing-status { min-height: 32px; font-size: 12px; }
  .timing-gallery>section { margin-bottom: 48px; }
  .timing-lead { font-size: 16px; }
  .timing-jump { display: grid; gap: 8px; }
  .timing-figure .timing-provenance { font-size: 12px; }
  .timing-scroll { margin: 24px 0 16px; }
  .timing-figure .timing-scroll-hint { margin: 0 0 24px; }
  .timing-figure .timing-summary p { font-size: 16px; }
  .timing-details>summary { min-height: 48px; }
}
@media(prefers-reduced-motion: reduce) {
  .timing-details>summary svg { transition: none; }
}