    /* Reset & base */
    body, html {
      margin: 0; padding: 0; height: 100%;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: #121212;
      color: #eee;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      user-select: none;
    }
    #map {
      height: 100vh;
      filter: drop-shadow(0 0 5px rgba(0,0,0,0.5));
    }
    /* Control container styling */
    .leaflet-control-layers {
      background: rgba(30,30,30,0.9);
      border-radius: 8px;
      box-shadow: 0 0 15px rgba(0,0,0,0.7);
      color: #eee;
      font-weight: 600;
      padding: 8px 12px;
    }
    .leaflet-popup-content-wrapper {
      background: #222;
      color: #eee;
      border-radius: 10px;
      box-shadow: 0 0 15px rgba(0,0,0,0.7);
      font-size: 15px;
      min-width: 220px;
    }
    .leaflet-popup-tip {
      background: #222;
    }
    .station-name {
      font-weight: 700;
      font-size: 1.1em;
      margin-bottom: 6px;
      color: #1db954;
      text-shadow: 0 0 5px #1db954aa;
    }
    .stat {
      margin: 4px 0;
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      color: #ddd;
    }
    .stat span.value {
      font-weight: 700;
      color: #1db954;
    }
    /* Loader style */
    #loading {
      position: absolute;
      top: 12px;
      left: 50%;
      transform: translateX(-50%);
      background: #1db954dd;
      padding: 6px 12px;
      border-radius: 20px;
      font-weight: 700;
      font-size: 14px;
      color: #121212;
      z-index: 1200;
      display: none;
      user-select: none;
      box-shadow: 0 0 10px #1db954aa;
    }
