iframe, object, embed {
    max-width: 100%;
  }

  /* Filter buttons - overrides for .button class */
  .conference-filters {
    display: flex;
    gap: 0.75rem;
    margin: 2rem 0;
    flex-wrap: wrap;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 0.9rem;
    border: 2px solid rgba(17, 17, 17, 0.2);
    background: transparent !important;
    color: #111 !important;
  }

  .filter-btn:hover {
    border-color: #111;
    background: rgba(17, 17, 17, 0.05) !important;
  }

  .filter-btn.active {
    background: #111 !important;
    color: white !important;
    border-color: #111;
  }

  /* Conference badge styling */
  .conference-badge {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.4rem 0.9rem;
    border: 2px solid;
    border-radius: 4px;
    display: inline-block;
    margin-left: 0.75rem;
    vertical-align: middle;
  }

  .conference-badge.tentative {
    color: #111;
    background: transparent;
    border-color: rgba(17, 17, 17, 0.3);
  }

  .conference-badge.days {
    color: #111;
    background: #fab71c;
    border-color: #fab71c;
  }

  .conference-badge.cfp-open {
    color: #111;
    background: #22c55e;
    border-color: #22c55e;
  }

  .conference-badge.past {
    color: #6b7280;
    background: transparent;
    border-color: rgba(17, 17, 17, 0.2);
  }

  .no-conferences-message {
    text-align: center;
    padding: 2.5rem 1rem;
    font-size: 1.1rem;
    color: #6b7280;
  }

  /* Map styles */
  #conference-map {
    position: relative;
    height: 500px;
    width: 110%;
    margin-left: -5%;
    overflow: hidden;
    border-radius: 8px;
  }

  .map-attribution {
    font-size: 0.75rem;
    color: #888;
    margin: 0.5rem 0 2rem 0;
    text-align: center;
    width: 110%;
    margin-left: -5%;
  }

  .map-attribution a {
    color: #888;
    text-decoration: none;
  }

  .map-attribution a:hover {
    color: #555;
    text-decoration: underline;
  }

  .marker-container {
    width: 20px;
    height: 20px;
  }

  .pulse-marker {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #ff1493;
    box-shadow: 0 0 0 0 rgba(255, 20, 147, 0.7);
    animation: pulse 2s infinite;
    position: relative;
    cursor: pointer;
  }

  .pulse-marker::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #fff;
  }

  @keyframes pulse {
    0% {
      box-shadow: 0 0 0 0 rgba(255, 20, 147, 0.7);
    }
    70% {
      box-shadow: 0 0 0 15px rgba(255, 20, 147, 0);
    }
    100% {
      box-shadow: 0 0 0 0 rgba(255, 20, 147, 0);
    }
  }

  .leaflet-tooltip {
    background: white;
    border: 2px solid #ff1493;
    border-radius: 8px;
    padding: 12px 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    font-size: 14px;
    line-height: 1.5;
    min-width: 200px;
  }

  .leaflet-tooltip::before {
    border-top-color: #ff1493;
  }

  .tooltip-title {
    font-weight: bold;
    font-size: 16px;
    color: #ff1493;
    margin-bottom: 6px;
  }

  .tooltip-dates {
    font-size: 13px;
    color: #666;
    margin-bottom: 4px;
  }

  .tooltip-location {
    font-size: 12px;
    color: #888;
  }

  /* Dark mode support */
  @media (prefers-color-scheme: dark) {
    .filter-btn {
      color: white !important;
      border-color: rgba(255, 255, 255, 0.3);
    }

    .filter-btn:hover {
      background: rgba(255, 255, 255, 0.1) !important;
      border-color: rgba(255, 255, 255, 0.5);
    }

    .filter-btn.active {
      background: white !important;
      color: #111 !important;
      border-color: white;
    }

    .conference-badge.tentative {
      color: white;
      border-color: rgba(255, 255, 255, 0.3);
    }

    .conference-badge.cfp-open {
      background: #4ade80;
    }

    .conference-badge.past {
      color: #9ca3af;
      border-color: rgba(255, 255, 255, 0.2);
    }

    .no-conferences-message {
      color: #9ca3af;
    }

    /* Map dark mode */
    .leaflet-tooltip {
      background: #1f2937;
      border-color: #ff1493;
      color: #e5e7eb;
    }

    .tooltip-title {
      color: #ff69b4;
    }

    .tooltip-dates {
      color: #9ca3af;
    }

    .tooltip-location {
      color: #6b7280;
    }

    /* Map attribution dark mode */
    .map-attribution {
      color: #aaa;
    }

    .map-attribution a {
      color: #aaa;
    }

    .map-attribution a:hover {
      color: #ddd;
    }
  }