@media (max-width: 600px) {
  .current-time {
    font-size: 1.5em;
    padding: 10px;
  }
  
  #controls {
    padding: 10px;
    gap: 10px;
  }
  
  .control-group {
    width: 100%;
    text-align: center;
  }
  
  select, button {
    width: 100%;
    margin-bottom: 10px;
  }
  
  h1 {
    font-size: 1.8em;
    padding: 10px 0;
  }
  
  .timeline-label {
    font-size: 14px;
  }
  
  .time-block {
    min-width: calc(100% / 8);
    padding: 5px;
    font-size: 14px;
  }
}

@media (min-width: 1200px) {
  #controls, #timeLines {
    width: 90%;
    margin: 0 auto;
  }
  
  .time-block {
    min-width: calc(100% / 24);
  }
}