#popup-info-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 2147483000; /* podbite, żeby zawsze było na wierzchu */
    opacity: 0;
    transition: opacity 0.4s ease;
}
#popup-info-overlay.show {
    display: block !important;
    opacity: 1 !important;
}
#popup-info-box {
    background: #fff;
    position: relative;
    margin: auto;
    top: 50%;
    transform: translateY(-50%);
    padding: 20px;
    width: 60%;
    height: auto;
    overflow: auto;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    animation: popupFadeIn 0.4s ease;
    max-width: 720px;
    max-height: 90vh;
}
#popup-info-close {
    position: absolute;
    top: 10px; right: 10px;
    font-size: 24px;
    border: none;
    background: none;
    cursor: pointer;
    color: #666;
}
#popup-info-close:hover { color: #000; }

@keyframes popupFadeIn {
    from { transform: translateY(-60%) scale(0.9); opacity: 0; }
    to   { transform: translateY(-50%) scale(1); opacity: 1; }
}

/* Ciemny */
#popup-info-overlay.theme-dark { background: rgba(0,0,0,0.7); }
#popup-info-overlay.theme-dark #popup-info-box { background: #1e1e1e; color: #f5f5f5; }
#popup-info-overlay.theme-dark #popup-info-close { color: #bbb; }
#popup-info-overlay.theme-dark #popup-info-close:hover { color: #fff; }

/* Auto dark */
@media (prefers-color-scheme: dark) {
  #popup-info-overlay.theme-auto { background: rgba(0,0,0,0.7); }
  #popup-info-overlay.theme-auto #popup-info-box { background: #1e1e1e; color: #f5f5f5; }
  #popup-info-overlay.theme-auto #popup-info-close { color: #bbb; }
  #popup-info-overlay.theme-auto #popup-info-close:hover { color: #fff; }
}

/* Mobile tweaks */
@media (max-width: 768px) {
  #popup-info-box {
      width: 92vw !important;
      height: auto !important;
      max-height: 80vh;
      max-width: none;
      padding: 16px;
      border-radius: 10px;
  }
  #popup-info-close { top: 8px; right: 8px; font-size: 22px; }
}

/* Scroll/lock */
#popup-info-overlay { overscroll-behavior: contain; }
#popup-info-box {
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  scroll-behavior: smooth;
}

/* Scrollbar */
#popup-info-box {
  scrollbar-width: thin;
  scrollbar-color: #b7b7b7 transparent;
}
#popup-info-box::-webkit-scrollbar { width: 10px; }
#popup-info-box::-webkit-scrollbar-track { background: transparent; }
#popup-info-box::-webkit-scrollbar-thumb {
  background: #b7b7b7;
  border-radius: 8px;
  border: 2px solid transparent;
  background-clip: content-box;
}

#popup-info-box::-webkit-scrollbar-thumb:hover {
  background: #a0a0a0;
  background-clip: content-box;
}

/* Dark scrollbar */
#popup-info-overlay.theme-dark #popup-info-box { scrollbar-color: #6b6b6b transparent; }
#popup-info-overlay.theme-dark #popup-info-box::-webkit-scrollbar-thumb { background: #6b6b6b; }
#popup-info-overlay.theme-dark #popup-info-box::-webkit-scrollbar-thumb:hover { background: #7a7a7a; }
@media (prefers-color-scheme: dark) {
  #popup-info-overlay.theme-auto #popup-info-box { scrollbar-color: #6b6b6b transparent; }
  #popup-info-overlay.theme-auto #popup-info-box::-webkit-scrollbar-thumb { background: #6b6b6b; }
  #popup-info-overlay.theme-auto #popup-info-box::-webkit-scrollbar-thumb:hover { background: #7a7a7a; }
}