/* ==========================
   LIGHTBOX STYLING (UNIWERSALNY)
   ========================== */

   #lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
    z-index: 9999;
  }
  
  #lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
    cursor: zoom-out;
    transition: 0.3s;
  }
  
  #lightbox button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0 20px;
    user-select: none;
    z-index: 10000;
    transition: color 0.3s ease;
  }
  
  #lightbox button:hover {
    color: #ffcc00;
  }
  
  #prevBtn {
    left: 20px;
  }
  
  #nextBtn {
    right: 20px;
  }