html, body {
    height: 100%;
    margin: 0;
    background: #000;
    overflow: hidden;
    color: #9aa0a6;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  }
  
  /* Bühne / Container */
  .stage {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    background: #000;
  }
  
  /* Zwei Layer für Crossfade */
  .layer {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    opacity: 0;
    transition: opacity 800ms ease-in-out;
    background: #000;
  }
  .layer.active {
    opacity: 1;
  }
  
  /* Bilddarstellung */
  .slide {
    max-height: 100vh;
    max-width: 100vw;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    user-select: none;
    -webkit-user-drag: none;
  }
  
  /* Infotext unten rechts */
  .hud {
    position: fixed;
    right: 12px;
    bottom: 8px;
    font-size: 12px;
    background: rgba(0, 0, 0, .4);
    padding: 4px 8px;
    border-radius: 6px;
    color: #9aa0a6;
  }