.page-shell-changelog > .lead { max-width: 46ch; }

.changelog-filters { position: sticky; top: 96px; z-index: 5; display: flex; width: fit-content; max-width: 100%; gap: 3px; margin: 0 0 88px; padding: 4px; overflow-x: auto; border-radius: 999px; background: var(--resource-surface); scrollbar-width: none; }
.changelog-filters::-webkit-scrollbar { display: none; }
.changelog-filters button { min-height: 40px; padding: 0 16px; border: 0; border-radius: 999px; background: transparent; color: var(--orvia-text-muted); cursor: pointer; font: 500 13px/1 "SF Pro Display Medium", sans-serif; white-space: nowrap; transition-property: background-color, color, transform; transition-duration: 150ms; }
.changelog-filters button:hover { color: var(--orvia-text); }
.changelog-filters button.is-active { background: var(--orvia-text); color: var(--orvia-page); }
.changelog-filters button:active { transform: scale(.96); }

.changelog-list { display: grid; gap: 96px; }
.changelog-release { display: grid; grid-template-columns: minmax(180px, .3fr) minmax(0, .7fr); gap: clamp(40px, 6vw, 112px); }
.changelog-release[hidden] { display: none; }
.release-meta { padding-top: 5px; }
.release-meta p, .release-meta time, .release-meta span { display: block; margin: 0; color: var(--orvia-text-muted); font: 600 12px/1.45 "SF Pro Display Semibold", sans-serif; letter-spacing: .06em; text-transform: uppercase; }
.release-meta time { margin-top: 9px; font-variant-numeric: tabular-nums; }
.release-meta span { width: fit-content; margin-top: 14px; color: var(--orvia-accent); }
.release-version { margin: 0 0 14px; color: var(--orvia-text-muted); font: 600 12px/1.2 "SF Pro Display Semibold", sans-serif; letter-spacing: .06em; text-transform: uppercase; }
.release-content h2 { max-width: 18ch; margin: 0; color: var(--orvia-text); font: 500 clamp(30px, 3.4vw, 50px)/1.03 "SF Pro Display Medium", sans-serif; letter-spacing: -.05em; text-wrap: balance; }
.release-summary { max-width: 65ch; margin: 24px 0 0; color: var(--orvia-text-secondary); font-size: 17px; line-height: 1.62; }
.release-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 0; padding: 0; list-style: none; }
.release-tags li { padding: 7px 11px; border-radius: 999px; background: var(--resource-surface); color: var(--orvia-text-muted); font: 500 11px/1 "SF Pro Display Medium", sans-serif; }
.release-content details { margin-top: 28px; }
.release-content summary { width: fit-content; color: var(--orvia-text); cursor: pointer; font: 600 13px/1.3 "SF Pro Display Semibold", sans-serif; list-style: none; transition: color 150ms ease-out; }
.release-content summary::-webkit-details-marker { display: none; }
.release-content summary::after { display: inline-block; margin-left: 8px; content: "↓"; transition: transform 150ms ease-out; }
.release-content details[open] summary::after { transform: rotate(180deg); }
.release-content summary:hover { color: var(--orvia-accent); }
.hide-label, details[open] .show-label { display: none; }
details[open] .hide-label { display: inline; }
.release-details { display: grid; gap: 28px; max-width: 65ch; margin-top: 34px; padding: 34px; border-radius: 24px; background: var(--resource-surface); }
.release-details h4 { margin: 0; color: var(--orvia-text); font: 500 20px/1.2 "SF Pro Display Medium", sans-serif; letter-spacing: -.03em; }
.release-details p { margin: 10px 0 0; color: var(--orvia-text-secondary); font-size: 15px; line-height: 1.58; }
.release-details ul { margin: 16px 0 0; padding-left: 20px; color: var(--orvia-text-secondary); font-size: 14px; line-height: 1.58; }

@media (max-width: 760px) {
  .changelog-filters { top: 126px; width: calc(100% + 18px); margin: 0 -18px 64px 0; border-radius: 22px 0 0 22px; }
  .changelog-list { gap: 72px; }
  .changelog-release { grid-template-columns: 1fr; gap: 20px; }
  .release-content h2 { max-width: none; font-size: clamp(32px, 10vw, 44px); }
  .release-details { padding: 26px 24px; border-radius: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .changelog-filters button, .release-content summary, .release-content summary::after { transition-duration: 0ms; }
}