body { margin: 0; padding: 0; }
    html, body {
      margin: 0;
      padding: 0;
      width: 100%;
      height: 100%;
      overflow: hidden !important;
      background: #000; /* ensures no white background shows through */
    }

    #map { position: absolute; top: 0; bottom: 0; width: 100%; }

    .regLabel {
      position: absolute;
      color: #ff69b4;
      font-family: monospace;
      pointer-events: none;
      z-index: 99999;
      font-size: 16px;
      font-weight: bold;
      text-shadow: 0 0 4px black;
      transform: translate(-50%, -35px);
    }

    /* ================= REG SEARCH BAR ================== */
    #reg-search-container {
      position: absolute;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 6px;
      background: rgba(0,0,0,0.55);
      padding: 8px 12px;
      border-radius: 8px;
      z-index: 99999;
    }

    #reg-search {
      width: 188px;          /* widened from 160px */
      padding: 6px 8px;
      background: #222;
      color: #fff;
      border: 1px solid #555;
      border-radius: 4px;
      text-align: center;
    }

    #reg-search::placeholder {
      text-align: center;
      color: #999;               /* optional: nicer placeholder color */
    }

    #reg-search-btn {
      padding: 6px 12px;
      background: #0a84ff;
      color: #fff;
      border: none;
      cursor: pointer;
      border-radius: 4px;
    }

    #reg-search-btn:hover {
      background: #086cd0;
    }
    /* =================================================== */

        .mapboxgl-ctrl-attrib {
      display: none !important;
    }

    #custom-attrib {
      position: fixed;
      bottom: 4px;
      right: 4px;
      font-size: 10px;
      line-height: 10px;
      color: #aaa;
      opacity: 0.5;
      pointer-events: none;
      z-index: 99999;
    }

    #aircraft-count-box {
      position: absolute;
      top: 10px;
      right: 10px;
      background: rgba(0,0,0,0.55);
      color: #fff;
      padding: 6px 10px;
      border-radius: 6px;
      font-size: 14px;
      z-index: 99999;
      pointer-events: none; /* does not block map interaction */
    }