body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  padding: 20px;
  background-color: #f5f5f5;
  color: #333;
}

#next-shuttle {
  max-width: 600px;
  margin: 0 auto;
  background-color: white;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h2 {
  color: #1a73e8;
  margin-top: 0;
  margin-bottom: 24px;
  text-align: center;
  font-size: 24px;
  font-weight: 600;
}

#next-shuttle-info {
  font-size: 16px;
  line-height: 1.6;
}

#next-shuttle-info p {
  margin: 12px 0;
  padding: 12px 16px;
  background-color: #f8f9fa;
  border-radius: 8px;
  border-left: 4px solid #1a73e8;
}

#next-shuttle-info p:first-child {
  font-weight: bold;
  color: #1a73e8;
  background-color: #e8f0fe;
  font-size: 18px;
  border-left: 4px solid #1a73e8;
}

.remaining-time {
  font-size: 24px;
  font-weight: bold;
  color: #1a73e8;
  margin-left: 8px;
}

#current-time {
  text-align: center;
  margin-top: 16px;
  color: #666;
  font-size: 14px;
}

@media (max-width: 480px) {
  body {
    padding: 12px;
  }

  #next-shuttle {
    padding: 16px;
  }

  h2 {
    font-size: 20px;
    margin-bottom: 16px;
  }

  #next-shuttle-info p {
    padding: 10px 12px;
    font-size: 14px;
  }

  #next-shuttle-info p:first-child {
    font-size: 16px;
  }

  .remaining-time {
    font-size: 20px;
  }
}