/* === Timeline Controls === */
.tl-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}

.tl-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tl-tag {
  font-size: 0.8rem;
  color: var(--mid);
  background: none;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.2em 0.6em;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.tl-tag:hover,
.tl-tag.active {
  border-color: var(--accent);
  color: var(--text);
}

.tl-toggle-hidden {
  font-size: 0.8rem;
  color: var(--mid);
  background: none;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.2em 0.6em;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.tl-toggle-hidden:hover,
.tl-toggle-hidden.active {
  border-color: var(--accent);
  color: var(--text);
}

/* === Timeline Container === */
.tl-container {
  position: relative;
  padding-left: 2rem;
}

.tl-container::before {
  content: '';
  position: absolute;
  left: 0.45rem;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
  transition: background-color 0.3s ease;
}

/* === Timeline Entry === */
.tl-entry {
  position: relative;
  padding-bottom: 2rem;
}

.tl-entry.tl-filtered,
.tl-entry.tl-is-hidden {
  display: none;
}

.tl-container.tl-show-hidden .tl-entry.tl-is-hidden {
  display: block;
  opacity: 0.5;
}

/* === Marker === */
.tl-marker {
  position: absolute;
  left: -2rem;
  top: 0.15rem;
  width: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mid);
}

.tl-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mid);
  transition: background-color 0.3s ease;
}

/* === Content === */
.tl-date {
  font-size: 0.78rem;
  color: var(--mid);
  display: block;
  margin-bottom: 0.2rem;
}

.tl-title {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
}

.tl-text {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 0.4rem;
}

.tl-image {
  max-width: 100%;
  border-radius: 6px;
  margin-top: 0.5rem;
}

.tl-entry-tags {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.3rem;
}

.tl-entry-tag {
  font-size: 0.72rem;
  color: var(--mid);
  border: 1px solid var(--line);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  transition: border-color 0.3s ease;
}