/* ═══════════════════════════════════════════
   我的锦书 — 时光轴 v3
   ═══════════════════════════════════════════ */

.timeline {
  position: relative;
  padding: var(--space-xl) 0 var(--space-md);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom,
    transparent,
    var(--hairline-strong) 8%,
    var(--hairline-strong) 92%,
    transparent);
}

.timeline-item {
  position: relative;
  padding-left: 60px;
  padding-bottom: var(--space-xl);
  animation: revealIn var(--dur-slow) var(--ease-enter) both;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: 18px;
  top: 6px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid var(--ink-ghost);
  background: var(--paper);
  transition: border-color var(--dur-fast) var(--ease-standard),
              background var(--dur-fast) var(--ease-standard);
}

.timeline-item.status-delivered .timeline-dot {
  border-color: var(--success);
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(74,117,48,0.12);
}

.timeline-item.status-pending .timeline-dot {
  border-color: var(--seal);
  background: var(--paper);
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(184,73,42,0.22); }
  50% { box-shadow: 0 0 0 7px rgba(184,73,42,0); }
}

.timeline-card {
  background: var(--paper-white);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur-fast) var(--ease-standard);
}

.timeline-card:hover {
  box-shadow: var(--shadow-md);
}

.timeline-card .tl-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.timeline-card .tl-title {
  font-size: 1.02rem;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: 0.05em;
  line-height: 1.4;
  margin: 0;
}

.timeline-card .tl-meta {
  font-size: 0.82rem;
  color: var(--ink-fade);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.timeline-card .tl-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.timeline-card .tl-meta .icon {
  width: 1em;
  height: 1em;
  color: var(--seal);
  opacity: 0.85;
}

.timeline-card .tl-preview {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.75;
  font-style: italic;
  padding-left: var(--space-md);
  border-left: 2px solid var(--hairline-strong);
}

.timeline-card .tl-actions {
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--hairline);
  display: flex;
  gap: var(--space-sm);
}

/* ── 移动端 ── */
@media (max-width: 640px) {
  .timeline::before { left: 12px; }

  .timeline-item {
    padding-left: 40px;
    padding-bottom: var(--space-lg);
  }

  .timeline-dot {
    left: 6px;
    top: 7px;
  }

  .timeline-card { padding: var(--space-md); }

  .timeline-card .tl-header {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .timeline-card .tl-meta {
    gap: var(--space-sm);
    font-size: 0.78rem;
  }

  .timeline-card .tl-preview {
    font-size: 0.86rem;
    padding-left: var(--space-sm);
  }
}