Art-gallery/client/src/components/VerticalTimeline.css

.vtimeline-wrapper {
  flex-shrink: 0;
  width: 148px;
  display: flex;
  flex-direction: column;
  background: linear-gradient(90deg, #1a1a2e 0%, #16213e 100%);
  border-right: 2px solid #c9a96e;
  padding: 8px 8px 12px;
  z-index: 100;
  min-height: 0;
}

.vtimeline-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
  flex-shrink: 0;
}

.vtimeline-controls button {
  width: 28px;
  height: 28px;
  border: 1px solid #c9a96e;
  background: rgba(201, 169, 110, 0.15);
  color: #e8d5b5;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
}

.vtimeline-controls button:hover {
  background: rgba(201, 169, 110, 0.35);
}

.vtimeline-range {
  width: 100%;
  color: #f5e6c8;
  font-family: 'Georgia', serif;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.85);
}

.vtimeline-container {
  position: relative;
  flex: 1;
  min-height: 120px;
  cursor: grab;
  user-select: none;
  border: 1px solid rgba(201, 169, 110, 0.3);
  border-radius: 4px;
  overflow: hidden;
}

.vtimeline-container:active {
  cursor: grabbing;
}

.vtimeline-track {
  position: absolute;
  inset: 0;
}

.vtimeline-era-block {
  position: absolute;
  left: 0;
  right: 28px;
  margin: 0;
  padding: 4px 2px;
  border: none;
  cursor: pointer;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vtimeline-era-label {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: 'Georgia', serif;
  font-size: 11px;
  color: rgba(255, 245, 220, 0.92);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
  pointer-events: none;
  white-space: nowrap;
}

.vtimeline-lifespan-overlays {
  position: absolute;
  inset: 0;
  z-index: 6;
  pointer-events: none;
}

.vtimeline-lifespan-dim {
  position: absolute;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.55);
}

.vtimeline-lifespan-highlight {
  position: absolute;
  left: 0;
  right: 0;
  background: linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.05) 0%,
    rgba(255, 255, 255, 0.28) 50%,
    rgba(255, 255, 255, 0.05) 100%
  );
  box-shadow: inset 0 0 0 2px rgba(255, 240, 200, 0.5);
  border-top: 2px solid rgba(255, 230, 180, 0.75);
  border-bottom: 2px solid rgba(255, 230, 180, 0.75);
}

.vtimeline-events {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}

.vtimeline-event-mark,
.vtimeline-event-span {
  position: absolute;
  left: 4px;
  right: 30px;
  margin: 0;
  padding: 0;
  border: none;
  background: rgba(232, 196, 120, 0.55);
  pointer-events: auto;
  cursor: pointer;
}

.vtimeline-event-mark {
  height: 3px;
  transform: translateY(50%);
}

.vtimeline-event-span {
  min-height: 4px;
  background: rgba(232, 196, 120, 0.28);
  border-left: 2px solid rgba(232, 196, 120, 0.7);
}

.vtimeline-event-label {
  position: absolute;
  left: 100%;
  margin-left: 4px;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: horizontal-tb;
  font-size: 9px;
  color: rgba(245, 230, 200, 0.85);
  white-space: nowrap;
  pointer-events: none;
  display: none;
}

.vtimeline-ticks {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

.vtimeline-tick {
  position: absolute;
  right: 0;
  left: auto;
  width: 26px;
  transform: translateY(50%);
  border-bottom: 1px solid rgba(201, 169, 110, 0.35);
  text-align: right;
  padding-right: 2px;
}

.vtimeline-tick span {
  display: block;
  font-size: 9px;
  color: rgba(232, 213, 181, 0.85);
  font-family: ui-monospace, 'Cascadia Code', monospace;
  line-height: 1;
  transform: translateY(4px);
}

.vtimeline-brush {
  position: absolute;
  left: 0;
  right: 0;
  height: 10px;
  z-index: 8;
  cursor: ns-resize;
  background: rgba(201, 169, 110, 0.25);
}

.vtimeline-brush-start {
  bottom: 0;
}

.vtimeline-brush-end {
  top: 0;
}

.vtimeline-hint {
  margin: 8px 0 0;
  font-size: 10px;
  line-height: 1.3;
  color: rgba(201, 169, 110, 0.55);
  font-family: 'Georgia', serif;
  font-style: italic;
  text-align: center;
  flex-shrink: 0;
}

@media (max-width: 720px) {
  .vtimeline-wrapper {
    width: 112px;
  }
}