.changelog {
  padding: 120px 0;
  position: relative;
  background: linear-gradient(to bottom, transparent, rgba(249,115,22,0.03), transparent);
}

.changelog-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  align-items: start;
}

/* ─── release items ─── */
.changelog-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.changelog-loading {
  color: var(--text-3);
  font-size: 0.85rem;
  padding: 32px;
}

.loading-cursor {
  color: var(--accent);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.release-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color var(--t) var(--ease);
}

.release-card:hover { border-color: var(--border-med); }

.release-card--latest {
  border-color: rgba(249,115,22,0.25);
  box-shadow: 0 0 24px rgba(249,115,22,0.06);
}

.release-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 24px;
  cursor: pointer;
  user-select: none;
}

.release-header:hover .release-expand { color: var(--text-1); }

.release-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(249,115,22,0.25);
  padding: 3px 12px;
  border-radius: 5px;
  flex-shrink: 0;
}

.release-latest-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  background: var(--accent);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
}

.release-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-1);
  flex: 1;
}

.release-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-3);
  flex-shrink: 0;
}

.release-expand {
  color: var(--text-3);
  transition: transform var(--t) var(--ease), color var(--t) var(--ease);
  flex-shrink: 0;
}

.release-expand.open { transform: rotate(180deg); }

.release-body {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-lg) var(--ease), padding var(--t) var(--ease);
}

.release-body.open {
  max-height: 600px;
  padding: 0 24px 20px;
}

.release-body p {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 8px;
}

.release-body ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.release-body li {
  font-size: 0.85rem;
  color: var(--text-2);
  padding-left: 16px;
  position: relative;
  line-height: 1.6;
}

.release-body li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.7rem;
}

/* ─── error state ─── */
.changelog-error {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.release-fallback {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}

/* ─── sidebar ─── */
.changelog-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 88px;
}

.verify-block,
.install-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.verify-title {
  font-size: 0.72rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
  padding: 12px 16px 8px;
  border-bottom: 1px solid var(--border);
}

.verify-code {
  padding: 14px 16px;
  font-size: 0.78rem;
  line-height: 1.8;
  overflow-x: auto;
}

.code-line { white-space: nowrap; }
.code-line.indent { padding-left: 16px; }

.code-comment { color: var(--text-3); }
.code-cmd     { color: #60a5fa; }

.code-output {
  color: var(--accent);
  font-size: 0.72rem;
  margin-top: 6px;
  word-break: break-all;
  white-space: normal;
}

/* ─── responsive ─── */
@media (max-width: 900px) {
  .changelog-layout {
    grid-template-columns: 1fr;
  }

  .changelog-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .changelog { padding: 80px 0; }
  .changelog-sidebar { grid-template-columns: 1fr; }
  .release-header { flex-wrap: wrap; gap: 8px; }
}