/* CognitiveTimeline.css - Refined for Scientific Elegance */

.timeline-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 0;
}

.timeline-row {
  display: flex;
  gap: 24px;
  position: relative;
  animation: slideInRight 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.timeline-row::before {
  content: '';
  position: absolute;
  left: 65px; /* Alignment with dot */
  top: 12px;
  bottom: -24px;
  width: 1px;
  background-color: #eee;
  z-index: 1;
}

.timeline-row:last-child::before {
  display: none;
}

.timeline-time {
  width: 55px;
  font-size: 0.65rem;
  color: #bbb;
  font-family: var(--font-mono);
  padding-top: 4px;
  text-align: right;
}

.timeline-dot-wrap {
  width: 20px;
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.timeline-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 8px;
  background-color: #ccc;
  box-shadow: 0 0 0 4px white;
}

.timeline-content {
  flex: 1;
  padding: 0 0 16px 0;
  transition: transform 0.3s ease;
}

.timeline-content:hover {
  transform: translateX(8px);
}

.phase-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.phase-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phase-icon .material-icons {
  font-size: 18px;
}

.phase-title {
  font-size: 0.7rem;
  font-weight: 700;
  color: #1a1a1a;
  letter-spacing: -0.01em;
}

.phase-desc {
  font-size: 0.8rem;
  color: #666;
  line-height: 1.5;
}

.timeline-empty {
  color: #bbb;
  font-size: 0.9rem;
  text-align: center;
  padding: 80px 0;
  font-weight: 500;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}