body {
    font-family: system-ui, sans-serif;
    background: #f6f8fa;
    margin: 0;
    padding: 0;
  }
  
  header {
    background: #0e838f;
    color: #fff;
    padding: 1.5rem 1rem;
    text-align: center;
  }
  
  main {
    max-width: 900px;
    margin: 2rem auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    padding: 2rem;
  }
  
  #auth-section {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
  }
  
  #api-key {
    padding: 0.5rem;
    min-width: 220px;
    border: 1px solid #0e838f;
    border-radius: 4px;
  }
  
  #set-key-btn {
    padding: 0.5rem 1rem;
    background: #0e838f;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }
  
  #set-key-btn:hover {
    background: #07606c;
  }
  
  #auth-status {
    margin-left: 1rem;
    font-weight: bold;
  }
  
  #devices-section h2 {
    margin-top: 0;
  }
  
  .device-card {
    background: #e6f7fa;
    border: 1px solid #b0e0e6;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    padding: 1rem;
  }
  
  .device-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .device-id {
    font-family: monospace;
    color: #0e838f;
  }
  
  .lift-logs-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
  }
  
  .lift-logs-table th,
  .lift-logs-table td {
    border: 1px solid #b0e0e6;
    padding: 0.5rem;
    text-align: left;
  }
  
  .lift-logs-table th {
    background: #c3e9ed;
  }
  
  .lift-logs-table tr:nth-child(even) {
    background: #f6f8fa;
  }
  
  footer {
    text-align: center;
    margin: 2rem 0 1rem 0;
    color: #888;
  }
  
  /* .device-stats {
    margin: 0.5rem 0 0.5rem 0;
    color: #333;
  }
  
  .logs-scroll {
    max-height: 220px;
    overflow-y: auto;
    margin-bottom: 0.5rem;
  }   */

  .logs-scroll-container {
    max-height: 220px;
    overflow-y: auto;
    margin-bottom: 0.5rem;
  }
  #filter-bar {
    margin-bottom: 1.2rem;
    font-size: 1rem;
  }
  .show-more-btn {
    margin-top: 0.5rem;
    padding: 0.3rem 0.7rem;
    background: #0e838f;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }
  .show-more-btn:hover {
    background: #07606c;
  }