.version-page {
  background:
    linear-gradient(180deg, rgba(246, 250, 251, 0.98), rgba(255, 255, 255, 1)),
    radial-gradient(circle at 12% 0%, rgba(15, 107, 99, 0.10), transparent 34%),
    radial-gradient(circle at 90% 2%, rgba(31, 95, 139, 0.08), transparent 30%);
}

.version-main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(24px, 4vw, 44px) 0 56px;
}

.version-hero,
.version-note,
.version-controls,
.version-legend,
.version-caveat,
.release-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--soft-shadow);
}

.version-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: 22px;
  align-items: stretch;
  padding: clamp(22px, 4vw, 34px);
}

.version-kicker {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin: 0 0 8px;
  color: var(--teal-dark);
  font-weight: 900;
  letter-spacing: 0.02em;
}

.version-hero h2,
.version-note h2,
.version-controls h2,
.version-legend h2,
.version-caveat h2,
.release-header h2 {
  margin: 0;
  color: var(--teal-dark);
  line-height: 1.15;
}

.version-hero h2 {
  font-size: clamp(2rem, 5vw, 4rem);
}

.version-lead {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.version-hero-actions,
.version-search-row,
.version-filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 22px;
}

.version-primary-action,
.version-secondary-action {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  text-decoration: none;
}

.version-summary {
  display: grid;
  gap: 12px;
  margin: 0;
}

.version-summary div {
  border-left: 5px solid var(--teal);
  border-radius: 14px;
  padding: 14px 16px;
  background: var(--teal-2);
}

.version-summary dt {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.version-summary dd {
  margin: 3px 0 0;
  color: var(--teal-dark);
  font-size: 1.08rem;
  font-weight: 900;
}

.version-note,
.version-controls,
.version-legend,
.version-caveat {
  margin-top: 18px;
  padding: clamp(18px, 3vw, 26px);
}

.version-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
}

.version-note-icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--teal-dark), var(--blue));
}

.version-control-heading {
  display: flex;
  gap: 16px;
  justify-content: space-between;
  align-items: end;
}

.version-result-count {
  margin: 0;
  color: var(--muted);
  font-weight: 800;
}

.version-search {
  flex: 1 1 360px;
}

.version-search span:first-child {
  display: block;
  margin-bottom: 6px;
  font-weight: 800;
}

.version-search-field {
  display: flex;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0 12px;
  background: var(--panel);
}

.version-search-field input {
  width: 100%;
  min-height: 46px;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
}

.version-filter {
  border: 1px solid var(--line);
  border-radius: var(--pill-radius);
  padding: 9px 14px;
  color: var(--teal-dark);
  background: var(--panel);
  font-weight: 900;
  cursor: pointer;
}

.version-filter.active,
.version-filter[aria-pressed="true"] {
  color: #fff;
  border-color: var(--teal-dark);
  background: linear-gradient(135deg, var(--teal-dark), var(--blue));
}

.version-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  margin-top: 22px;
}

.version-index {
  position: sticky;
  top: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--soft-shadow);
}

.version-index-title {
  margin: 0 0 10px;
  color: var(--teal-dark);
  font-weight: 900;
}

.version-index nav {
  display: grid;
  gap: 8px;
}

.version-index a {
  display: grid;
  gap: 2px;
  border-radius: 12px;
  padding: 9px 10px;
  color: var(--ink);
  text-decoration: none;
}

.version-index a:hover,
.version-index a:focus {
  background: var(--teal-2);
  outline: none;
}

.version-index span {
  font-weight: 900;
}

.version-index small {
  color: var(--muted);
}

.release-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.release-entry[hidden] {
  display: none;
}

.release-card {
  position: relative;
  padding: clamp(18px, 3vw, 26px);
  border-left: 7px solid var(--teal);
}

.release-current {
  border-left-color: var(--blue);
  background: linear-gradient(180deg, rgba(223, 243, 241, 0.62), rgba(255, 255, 255, 0.95));
}

.release-milestone {
  border-left-color: var(--gold);
}

.release-marker {
  position: absolute;
  top: 18px;
  right: 18px;
  color: var(--teal);
  opacity: 0.7;
}

.release-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
  padding-right: 32px;
}

.release-heading-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
}

.release-version,
.release-status {
  display: inline-flex;
  border-radius: var(--pill-radius);
  padding: 5px 10px;
  font-size: 0.82rem;
  font-weight: 900;
}

.release-version {
  color: #fff;
  background: var(--teal-dark);
}

.release-status {
  color: var(--teal-dark);
  background: var(--teal-2);
}

.release-status-launch {
  color: #fff;
  background: var(--gold);
}

.release-header time {
  color: var(--muted);
  font-weight: 800;
  white-space: nowrap;
}

.release-code-name {
  margin: 6px 0 0;
}

.release-code-name code,
.change-type,
.version-legend code {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 2px 6px;
  color: var(--teal-dark);
  background: var(--paper-strong);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.9em;
  font-weight: 800;
}

.change-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.change-item {
  display: grid;
  grid-template-columns: minmax(180px, 270px) minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  border-top: 1px solid rgba(201, 214, 220, 0.75);
  padding-top: 10px;
}

.version-empty-state {
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  color: var(--muted);
  background: var(--panel);
}

.version-legend {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 20px;
}

.version-legend dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.version-legend dl div {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.version-legend dt,
.version-legend dd {
  margin: 0;
}

.version-caveat {
  border-left: 6px solid var(--gold);
}

.version-caveat p,
.version-note p,
.version-legend p {
  margin: 10px 0 0;
  color: var(--muted);
}

body.dark-mode .version-hero,
body.dark-mode .version-note,
body.dark-mode .version-controls,
body.dark-mode .version-legend,
body.dark-mode .version-caveat,
body.dark-mode .release-card,
body.dark-mode .version-index,
body.dark-mode .version-empty-state {
  background: rgba(19, 35, 32, 0.94);
}

body.dark-mode .release-current {
  background: linear-gradient(180deg, rgba(23, 61, 56, 0.70), rgba(19, 35, 32, 0.94));
}

@media (max-width: 900px) {
  .version-hero,
  .version-layout,
  .version-legend {
    grid-template-columns: 1fr;
  }

  .version-index {
    position: static;
  }

  .version-index nav {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  }
}

@media (max-width: 640px) {
  .version-main {
    width: min(100% - 20px, 1180px);
    padding-top: 18px;
  }

  .version-hero,
  .version-note,
  .version-controls,
  .version-legend,
  .version-caveat,
  .release-card {
    padding: 16px;
  }

  .version-note {
    grid-template-columns: 1fr;
  }

  .version-control-heading,
  .release-header {
    grid-template-columns: 1fr;
  }

  .release-header {
    padding-right: 0;
  }

  .release-header time {
    white-space: normal;
  }

  .change-item {
    grid-template-columns: 1fr;
  }
}