/* LIGHTBOX STYLES */
#lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  
  #lightbox.show {
    opacity: 1;
  }
  
  #lightbox img {
    max-width: 90%;
    max-height: 80%;
    box-shadow: 0 10px 40px rgba(0,0,0,0.6);
    transition: transform 0.3s ease;
  }
  
  #lightbox.show img {
    transform: scale(1);
  }
  
  /* CLOSE BUTTON */
  #closeBtn {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: #fff;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 2100;
    transition: color 0.2s ease;
  }
  
  #closeBtn:hover {
    color: #ff4444;
  }
  
  /* NAVIGATION BUTTONS */
  #prevBtn, #nextBtn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 60px;
    color: #fff;
    background: rgba(0,0,0,0.3);
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    z-index: 2100;
    border-radius: 5px;
    transition: background 0.2s ease;
  }
  
  #prevBtn:hover, #nextBtn:hover {
    background: rgba(0,0,0,0.6);
  }
  
  #prevBtn { left: 30px; }
  #nextBtn { right: 30px; }
  
  /* MOBILE ADJUSTMENTS */
  @media (max-width: 768px) {
    #lightbox img {
      max-width: 95%;
      max-height: 70%;
    }
    #prevBtn, #nextBtn {
      font-size: 40px;
      padding: 8px 16px;
    }
    #closeBtn {
      font-size: 30px;
      top: 15px;
      right: 20px;
    }
  }