.cjt-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 16px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #111827;
  -webkit-font-smoothing: antialiased;
}

.cjt-title {
  text-align: center;
  font-size: 1.8rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.cjt-subtitle {
  text-align: center;
  color: #6b7280;
  margin: 0 0 32px;
}

.cjt-form {
  display: flex;
  gap: 8px;
}

.cjt-input {
  flex: 1;
  padding: 12px 16px;
  font-size: 1rem;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  outline: none;
  font-family: monospace;
  background: #fff;
}

.cjt-input:focus {
  outline: 2px solid #2563eb;
  outline-offset: -1px;
}

.cjt-button {
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  background-color: #2563eb;
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
}

.cjt-button:hover {
  background-color: #1d4ed8;
}

.cjt-button:disabled {
  background-color: #9ca3af;
  cursor: default;
}

.cjt-error {
  margin-top: 16px;
  padding: 12px 16px;
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  color: #991b1b;
}

.cjt-card {
  margin-top: 24px;
  background-color: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  overflow: hidden;
}

.cjt-card-header {
  padding: 20px 24px;
  border-bottom: 1px solid #e5e7eb;
  background-color: #f9fafb;
}

.cjt-card-header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.cjt-label {
  font-size: 0.85rem;
  color: #6b7280;
}

.cjt-track-num {
  font-size: 1.2rem;
  font-weight: 700;
  font-family: monospace;
}

.cjt-status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
}

.cjt-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.cjt-info-label {
  font-size: 0.75rem;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cjt-info-value {
  font-size: 0.95rem;
  font-weight: 500;
  margin-top: 2px;
}

.cjt-card-body {
  padding: 20px 24px;
}

.cjt-history-title {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 600;
}

.cjt-timeline {
  position: relative;
  padding-left: 28px;
  margin-top: 16px;
}

.cjt-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background-color: #e5e7eb;
}

.cjt-timeline-item {
  position: relative;
  margin-bottom: 20px;
}

.cjt-timeline-dot {
  position: absolute;
  left: -24px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #d1d5db;
  border: 2px solid #fff;
}

.cjt-timeline-dot-active {
  background-color: #2563eb;
  box-shadow: 0 0 0 2px #2563eb;
}

.cjt-timeline-time {
  font-size: 0.8rem;
  color: #6b7280;
  margin-bottom: 2px;
}

.cjt-timeline-activity {
  font-weight: 400;
  color: #374151;
}

.cjt-timeline-activity-active {
  font-weight: 600;
  color: #111827;
}

.cjt-timeline-location {
  font-size: 0.8rem;
  color: #9ca3af;
  margin-top: 2px;
}