:root {
  --bg: #0f1117;
  --surface: #181c27;
  --border: #252a38;
  --spine: #252a38;
  --accent: #5b8ef0;
  --accent-warm: #e0875a;
  --text-primary: #eef0f7;
  --text-secondary: #8890a8;
  --text-muted: #555d75;
  --radius: 12px;
  --card-w: 400px;
  --sidebar-w: 220px;
}



main.timeline-wrap {
  flex: 1;
  min-width: 0;
  position: relative;
  padding: 100px 100px 120px;
  background: white;
  /* removed: overflow-y: auto; overflow-x: hidden; height: 100vh; */
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  main.timeline-wrap {
    padding: 80px 40px 100px;
  }
}

@media (max-width: 680px) {
  main.timeline-wrap {
    padding: 60px 20px 80px;
  }
  .spine-track { left: 24px; transform: none; }
  .event-item,
  .event-item:nth-child(even) {
    flex-direction: column !important;
    padding-left: 52px;
  }
  .dot { left: 24px; transform: translateX(-50%); top: 32px; }
  .card { width: 100%; }
  .card-title { font-size: 15.5px; }
  .card-desc { font-size: 13px; }
}

@media (max-width: 400px) {
  main.timeline-wrap {
    padding: 50px 12px 60px;
  }
  .event-item { padding-left: 40px; }
  .dot { left: 14px; }
}

/* ── Spine — absolute inside main, scrolls with content ── */
.spine-track {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: var(--spine);
  border-radius: 999px;
  pointer-events: none;
  z-index: 0;
}

.spine-fill {
  width: 100%;
  background: linear-gradient(to bottom, var(--accent), var(--accent-warm));
  height: 0%;
  transition: height .15s ease;
  border-radius: 999px;
}

/* ── Event list ── */
.event-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  list-style: none;
  position: relative;
  z-index: 1;
}

.event-item {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
  padding: 28px 0;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}
.event-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Alternating sides — card takes up ~half, dot sits in the middle gap */
.event-item:nth-child(odd)  { flex-direction: row; }
.event-item:nth-child(even) { flex-direction: row-reverse; }

/* Each card occupies just under half the container width */
.card {
  width: calc(50% - 28px);
  background: #efefef;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
  position: relative;
  z-index: 1;
}
.card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 8px 32px rgba(91,142,240,.12);
}

/* Dot — sits at exact center of the row, aligned with spine */
.dot {
  position: absolute;
  left: 50%;
  top: 40px;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 2.5px solid var(--accent);
  z-index: 2;
  flex-shrink: 0;
  transition: background .3s;
}
.event-item.visible .dot {
  background: var(--accent);
}

/* ── Card internals ── */
.card-img {
  width: 100%;
  aspect-ratio: 16/7;
  object-fit: cover;
  display: block;
  background: var(--border);
}
.card-img-placeholder {
  width: 100%;
  aspect-ratio: 16/7;
  background: linear-gradient(135deg, #1e2334 0%, #252a38 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 28px;
}
.card-body { padding: 20px 22px 22px; }
.card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(91,142,240,.15);
  color: var(--accent);
  border: 1px solid rgba(91,142,240,.3);
}
.badge.warm {
  background: rgba(224,135,90,.13);
  color: var(--accent-warm);
  border-color: rgba(224,135,90,.3);
}
.date-range {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: .04em;
}
.card-title {
  font-size: 17px;
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: -.01em;
  margin-bottom: 8px;
  color: rgb(74, 74, 74);
}
.card-desc {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Loader ── */
#sentinel { height: 1px; }
.loader {
  display: flex;
  justify-content: center;
  padding: 32px;
  opacity: 0;
  transition: opacity .3s;
}
.loader.active { opacity: 1; }
.spinner {
  width: 28px; height: 28px;
  border: 2.5px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.end-msg {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  padding: 24px;
  letter-spacing: .05em;
  display: none;
}

/* ── Responsive ── */
@media (max-width: 680px) {
  .spine-track { left: 24px; transform: none; }
  .event-item,
  .event-item:nth-child(even) {
    flex-direction: column !important;
    padding-left: 52px;
  }
  .dot { left: 24px; transform: translateX(-50%); top: 32px; }
  .card { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .event-item { opacity: 1; transform: none; transition: none; }
  .spine-fill { transition: none; }
}