.changelog-main {
  padding-top: 48px;
}

.changelog-shell {
  display: grid;
  grid-template-columns: minmax(280px, 320px) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.changelog-rail {
  position: sticky;
  top: 104px;
  display: grid;
  gap: 20px;
}

.rail-panel,
.content-panel {
  background: linear-gradient(
    180deg,
    rgba(30, 30, 50, 0.88) 0%,
    rgba(18, 20, 38, 0.92) 100%
  );
  border: 1px solid rgba(129, 140, 248, 0.18);
  border-radius: 24px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

.intro-panel,
.nav-panel {
  padding: 24px;
}

.rail-eyebrow,
.content-kicker {
  color: #818cf8;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  font-weight: 700;
}

.page-title {
  margin-top: 12px;
  font-size: 2.1rem;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.page-summary,
.content-header p,
.release-label {
  color: #cbd5e1;
}

.page-summary {
  margin-top: 14px;
  font-size: 0.98rem;
}

.meta-stack {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.meta-card {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.16);
}

.meta-label {
  display: block;
  font-size: 0.8rem;
  color: #94a3b8;
  margin-bottom: 6px;
}

.meta-value {
  font-size: 1rem;
  color: #f8fafc;
}

.panel-heading h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #f8fafc;
}

.release-nav {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.release-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 16px;
  text-decoration: none;
  color: inherit;
  background: rgba(15, 23, 42, 0.58);
  border: 1px solid rgba(148, 163, 184, 0.12);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.release-link:hover,
.release-link:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(129, 140, 248, 0.42);
  background: rgba(99, 102, 241, 0.12);
  box-shadow: 0 12px 30px rgba(79, 70, 229, 0.18);
}

.release-version {
  font-size: 1rem;
  font-weight: 700;
  color: #f8fafc;
}

.release-label {
  font-size: 0.84rem;
}

.content-panel {
  padding: 32px;
}

.content-header {
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.content-header h2 {
  margin-top: 10px;
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.content-header p {
  margin-top: 10px;
  max-width: 60ch;
}

.changelog-prose {
  color: #e2e8f0;
}

.changelog-prose h1 {
  font-size: 2.7rem;
  line-height: 1.02;
  letter-spacing: -0.05em;
  margin-bottom: 16px;
}

.changelog-prose h2 {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid rgba(129, 140, 248, 0.16);
  font-size: 1.7rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
  scroll-margin-top: 120px;
}

.changelog-prose h3 {
  margin-top: 22px;
  margin-bottom: 10px;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #818cf8;
}

.changelog-prose p,
.changelog-prose ul {
  margin-top: 12px;
}

.changelog-prose ul {
  padding-left: 1.2rem;
}

.changelog-prose li {
  margin-top: 8px;
}

.changelog-prose a {
  color: #7dd3fc;
  text-decoration: none;
}

.changelog-prose a:hover,
.changelog-prose a:focus-visible {
  color: #bae6fd;
  text-decoration: underline;
}

.changelog-prose code {
  padding: 0.18rem 0.44rem;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.14);
  font-size: 0.92em;
  color: #f8fafc;
}

.changelog-prose pre {
  margin-top: 18px;
  padding: 18px;
  overflow-x: auto;
  border-radius: 18px;
  background: rgba(2, 6, 23, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.changelog-prose pre code {
  padding: 0;
  border: 0;
  background: transparent;
}

.changelog-prose blockquote {
  margin-top: 18px;
  padding: 16px 18px;
  border-left: 3px solid rgba(125, 211, 252, 0.8);
  background: rgba(14, 165, 233, 0.08);
  border-radius: 0 16px 16px 0;
}

.changelog-prose hr {
  border: 0;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  margin: 28px 0;
}

@media (max-width: 1080px) {
  .changelog-shell {
    grid-template-columns: 1fr;
  }

  .changelog-rail {
    position: static;
  }
}

@media (max-width: 720px) {
  .content-panel,
  .intro-panel,
  .nav-panel {
    padding: 22px;
  }

  .page-title,
  .content-header h2,
  .changelog-prose h1 {
    font-size: 1.8rem;
  }

  .changelog-prose h2 {
    font-size: 1.35rem;
  }
}