:root {
  --lv-blue: #003d7c;
  --lv-orange: #ee7023;
  --card-bg: #f8fafc;
}

html,
body {
  height: 100%;
  overflow-y: auto;
}

#timelineYears {
  list-style: none;
  padding-left: 0;
  margin: 0;
  max-height: calc(100vh - 5rem);
  overflow-y: auto;
  padding-right: 0.5rem;
}

#timelineYears::-webkit-scrollbar {
  width: 6px;
}

#timelineYears::-webkit-scrollbar-thumb {
  background: var(--lv-blue);
  border-radius: 3px;
}

#timelineYears li {
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 14px;
  color: #1e293b;
  transition: background 0.3s, color 0.3s;
}

#timelineYears li:hover {
  background: var(--lv-orange);
  color: #fff;
}

.news-layout {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  gap: 2rem;
  padding: 2rem 1rem;
  align-items: flex-start;
  position: relative;
}

.timeline-nav {
  position: sticky;
  top: 5rem;
  align-self: flex-start;
  width: 200px;
  height: fit-content;
}

.events-list {
  flex: 1;
  padding: 0.5rem;
}

.pub-card {
  background: #f9fafb;
  padding: 1.2rem 1.5rem;
  border-left: 4px solid var(--lv-orange);
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
  margin-bottom: 1rem;
}

.pub-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.08);
}

.pub-card time {
  font-weight: 700;
  color: #1e3a8a;
  display: block;
  margin-bottom: 0.5rem;
}

.pub-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--lv-orange);
  margin-top: 0.2rem;
}

.pub-card p {
  text-indent: 2rem;
}

.pub-card p.multiline-summary {
  white-space: pre-line;
  text-indent: 0;
}

.pub-card .authors {
  font-size: 0.95rem;
  color: #555;
}

.pub-card .venue {
  font-size: 0.9rem;
  color: #777;
  margin: 0.15rem 0 0.3rem;
}

.pub-card a.icon {
  margin-right: 10px;
  font-size: 0.9rem;
  color: var(--lv-blue);
}

.pub-card a.icon:hover,
.pub-card .link-icon:hover {
  color: var(--lv-orange);
  text-decoration: underline;
}

.pub-card .link-icon {
  display: inline-flex;
  align-items: center;
  margin-right: 1.2rem;
  font-size: 0.9rem;
  color: var(--lv-blue);
}

.pub-card .link-icon i {
  margin-right: 6px;
  font-size: 0.9rem;
}

.event-load-error {
  color: #555;
  background: #fff7ed;
  border-left-color: var(--lv-orange);
}

@media (max-width: 768px) {
  .news-layout {
    display: block;
    padding: 1rem;
  }

  .timeline-nav {
    position: static;
    width: auto;
    margin-bottom: 1rem;
  }

  #timelineYears {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    max-height: none;
    padding-bottom: 0.5rem;
  }

  #timelineYears li {
    white-space: nowrap;
  }
}