/* ============================================================
   Changelog — Timeline style
   ============================================================ */
.changelog {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 660px;
  position: relative;
}

.changelog::before {
  content: '';
  position: absolute;
  left: 97px;
  top: 1.6rem;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, #e2e2e2 70%, transparent);
}

.changelog__item {
  display: grid;
  grid-template-columns: 97px 1fr;
  align-items: start;
  padding: 1.1rem 0;
  position: relative;
}

.changelog__item::after {
  content: '';
  position: absolute;
  left: 97px;
  top: 30px;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f97316;
  box-shadow: 0 0 0 3px rgba(249,115,22,0.14);
  z-index: 1;
}

.changelog__date {
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  color: #555;
  text-align: right;
  padding-right: 1rem;
  padding-top: 0.2rem;
  line-height: 1.4;
}

.changelog__text {
  font-size: 0.9rem;
  color: #333;
  padding-left: 1.4rem;
  line-height: 1.55;
}

/* ============================================================
   Timeline
   ============================================================ */
.timeline {
  max-width: 680px;
  margin-inline: auto;
}

.timeline__item {
  display: flex;
  gap: 2rem;
  position: relative;
  padding-bottom: 2.5rem;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: 6.5rem;
  top: 1.6rem;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline__item:last-child::before { display: none; }

.timeline__date {
  width: 6rem;
  flex-shrink: 0;
  font-family: var(--font-en);
  font-weight: var(--fw-medium);
  font-size: 0.85rem;
  color: var(--color-primary);
  padding-top: 0.2em;
}

.timeline__content {
  flex: 1;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
}

.timeline__content h4 { margin-bottom: 0.25rem; }
.timeline__content p { font-size: 0.875rem; color: var(--color-text-muted); margin: 0; }