.versions-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(108, 92, 231, 0.24), transparent 34%),
    radial-gradient(circle at top right, rgba(0, 206, 201, 0.18), transparent 32%),
    linear-gradient(180deg, #0b0c13 0%, #0f111d 42%, #090a10 100%);
}

.versions-top {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.versions-top-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.versions-top app-logo {
  display: flex;
  --app-logo-font-size: 1.05rem;
  --app-logo-icon-size: 1.9rem;
  color: var(--color-text);
}

.versions-top-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.versions-main {
  position: relative;
  overflow: clip;
  padding: calc(var(--space-4xl) + 20px) 0 var(--space-4xl);
}

.versions-main::before,
.versions-main::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(18px);
  opacity: 0.7;
  pointer-events: none;
}

.versions-main::before {
  width: 280px;
  height: 280px;
  top: 24px;
  right: 6%;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.32), rgba(108, 92, 231, 0));
}

.versions-main::after {
  width: 340px;
  height: 340px;
  left: -120px;
  bottom: 12%;
  background: radial-gradient(circle, rgba(0, 206, 201, 0.22), rgba(0, 206, 201, 0));
}

.versions-shell {
  position: relative;
}

.versions-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 100% 68px, 88px 100%;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 90%);
  pointer-events: none;
}

.versions-hero,
.versions-stats,
.versions-timeline {
  position: relative;
  z-index: 1;
}

.versions-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(280px, 0.9fr);
  gap: var(--space-3xl);
  align-items: end;
  margin-bottom: var(--space-3xl);
}

.versions-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(14, 16, 26, 0.72);
  color: var(--color-accent-light);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.versions-hero h1 {
  font-size: clamp(2.6rem, 5vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  margin-bottom: var(--space-lg);
}

.versions-hero p {
  max-width: 760px;
  color: rgba(232, 232, 240, 0.78);
  font-size: 1.02rem;
}

.versions-hero code {
  color: var(--color-accent-light);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.95em;
}

.versions-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.versions-summary-card {
  position: relative;
  display: grid;
  gap: var(--space-sm);
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: calc(var(--radius-xl) + 6px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    linear-gradient(160deg, rgba(17, 19, 31, 0.94), rgba(9, 10, 18, 0.96));
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.34);
}

.versions-summary-card::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.versions-summary-label,
.versions-stat-label,
.versions-entry-kicker,
.versions-entry-date-label {
  color: rgba(232, 232, 240, 0.56);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.versions-summary-card strong {
  font-size: clamp(2rem, 3.6vw, 3rem);
  line-height: 1;
}

.versions-summary-copy {
  color: rgba(232, 232, 240, 0.82);
  overflow-wrap: anywhere;
}

.versions-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-4xl);
}

.versions-stat {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(12, 14, 24, 0.76);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.versions-stat strong {
  display: block;
  margin-top: var(--space-sm);
  font-size: var(--font-size-2xl);
  overflow-wrap: anywhere;
}

.versions-stat strong.versions-stat-multiline {
  display: grid;
  gap: 0.2rem;
  font-size: var(--font-size-lg);
  line-height: 1.25;
}

.versions-stat strong.versions-stat-multiline span:last-child {
  font-size: var(--font-size-sm);
  color: rgba(232, 232, 240, 0.74);
}

.versions-timeline {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: var(--space-sm);
}

.versions-timeline-rail {
  --timeline-major-step: 110px;
  --timeline-minor-step: calc(var(--timeline-major-step) / 10);
  position: relative;
  min-height: 100%;
  padding-top: 20px;
  mask-image: linear-gradient(180deg, transparent, black 120px, black calc(100% - 120px), transparent);
  -webkit-mask-image: linear-gradient(180deg, transparent, black 120px, black calc(100% - 120px), transparent);
}

.versions-timeline-rail::before {
  content: '';
  position: absolute;
  top: 20px;
  bottom: 0;
  left: 50%;
  width: 12px;
  transform: translateX(-50%);
  background: repeating-linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.18) 0 1px,
    transparent 1px var(--timeline-minor-step)
  );
}

.versions-timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(0, 206, 201, 0.4), rgba(108, 92, 231, 0.4));
}

.versions-timeline-rail::after {
  content: '';
  position: absolute;
  top: 20px;
  bottom: 0;
  left: 50%;
  width: 30px;
  transform: translateX(-50%);
  background: repeating-linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.24) 0 2px,
    transparent 2px var(--timeline-major-step)
  );
}

.versions-timeline-content {
  display: grid;
  gap: var(--space-2xl);
}

.versions-entry {
  scroll-margin-top: 96px;
  position: relative;
  display: grid;
  grid-template-columns: 72px minmax(180px, 250px) minmax(0, 1fr);
  gap: var(--space-sm);
  align-items: stretch;
}

.versions-entry-track {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-xl);
}

.versions-entry-pin {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 3px solid rgba(14, 16, 26, 0.92);
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary-light));
  box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.14);
}

.versions-entry-measure {
  color: rgba(232, 232, 240, 0.42);
  font-family: 'IBM Plex Mono', monospace;
  font-size: var(--font-size-xs);
  letter-spacing: 0.18em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.versions-entry-date {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-xl) 0;
  color: rgba(232, 232, 240, 0.86);
}

.versions-entry-date time {
  display: block;
  font-size: var(--font-size-lg);
  line-height: 1.35;
}

.versions-entry-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    linear-gradient(160deg, rgba(16, 19, 31, 0.98), rgba(9, 10, 18, 0.96));
  box-shadow: 0 28px 70px rgba(2, 5, 14, 0.42);
}

.versions-entry.latest .versions-entry-card {
  border-color: rgba(0, 206, 201, 0.22);
}

.versions-entry-card-glow {
  position: absolute;
  inset: -80px auto auto -40px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.22), rgba(108, 92, 231, 0));
  pointer-events: none;
}

.versions-entry-header {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.versions-entry-title h2 {
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  letter-spacing: -0.04em;
  overflow-wrap: anywhere;
}

.versions-entry-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-sm);
}

.versions-chip {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  min-height: 2rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(0, 206, 201, 0.12);
  border: 1px solid rgba(0, 206, 201, 0.24);
  color: var(--color-accent-light);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.versions-chip.subtle {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
  color: rgba(232, 232, 240, 0.7);
}

.versions-notes {
  position: relative;
  display: grid;
  gap: var(--space-lg);
}

.versions-note {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-lg);
  align-items: flex-start;
  padding: var(--space-lg) var(--space-xl);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

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

.versions-note-category {
  display: inline-flex;
  align-items: center;
  align-self: start;
  min-height: 28px;
  max-width: 100%;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.18), rgba(0, 206, 201, 0.18));
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(232, 232, 240, 0.92);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.versions-note-copy strong {
  display: block;
  font-size: var(--font-size-base);
  line-height: 1.55;
}

.versions-note-copy span {
  display: block;
  margin-top: var(--space-xs);
  color: rgba(232, 232, 240, 0.62);
  font-size: var(--font-size-sm);
}

.versions-empty {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-radius: 28px;
  border: 1px dashed rgba(255, 255, 255, 0.16);
  background: rgba(12, 14, 24, 0.72);
}

.versions-empty p {
  margin-top: var(--space-sm);
  color: rgba(232, 232, 240, 0.72);
}

@media (max-width: 980px) {
  .versions-hero {
    grid-template-columns: 1fr;
  }

  .versions-stats {
    grid-template-columns: 1fr;
  }

  .versions-timeline {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: var(--space-lg);
  }

  .versions-entry {
    grid-template-columns: 40px minmax(0, 1fr);
  }

  .versions-entry-date {
    grid-column: 2;
    padding: 0;
  }

  .versions-entry-card {
    grid-column: 2;
  }
}

@media (max-width: 720px) {
  .versions-main {
    padding-top: var(--space-3xl);
  }

  .versions-top-inner {
    min-height: 62px;
  }

  .versions-entry-header {
    flex-direction: column;
  }

  .versions-entry-meta {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .versions-top-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-top: var(--space-md);
    padding-bottom: var(--space-md);
  }

  .versions-top-actions {
    width: 100%;
  }

  .versions-top-actions .btn {
    flex: 1 1 0;
  }

  .versions-entry-track {
    padding-top: 0.25rem;
  }

  .versions-entry-measure {
    writing-mode: initial;
    text-orientation: initial;
    letter-spacing: 0.12em;
  }

  .versions-note {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
}

@media (max-width: 480px) {
  .versions-main::before {
    right: -24%;
  }

  .versions-timeline {
    grid-template-columns: 1fr;
  }

  .versions-timeline-rail {
    display: none;
  }

  .versions-entry {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .versions-entry-track {
    display: none;
  }

  .versions-entry-date,
  .versions-entry-card {
    grid-column: 1;
  }

  .versions-entry-date time {
    font-size: var(--font-size-base);
  }
}