/* ===============================
   Pedagogy of Humanity — Lightbox
   =============================== */

/* Full-screen overlay */
.lightbox{
  display:none;
  position:fixed; inset:0;
  background:rgba(0,0,0,.65);
  z-index:2000;
  align-items:center; justify-content:center;
  padding:24px;
}

/* Show when targeted via #hash */
.lightbox:target{ display:flex; }

/* Clickable backdrop to close */
.lightbox .backdrop{
  position:absolute; inset:0;
  display:block;
}

/* Modal panel */
.lightbox-inner{
  position:relative;
  background:#fff;
  border-radius:12px;
  width:min(92vw, 1000px);
  height:min(92vh, 820px);
  box-shadow:0 18px 50px rgba(0,0,0,.30);
  overflow:hidden;
  display:flex; flex-direction:column;
}

/* Close button (high-contrast) */
.lightbox .close{
  position:absolute; top:12px; right:12px;
  background:#2c7a7b; color:#fff;
  text-decoration:none;
  padding:8px 12px; border-radius:999px;
  font-size:16px; line-height:1;
  z-index:1;
}

/* Content area */
.lb-media{ flex:1; }
.lb-media iframe, .lb-media img{
  width:100%; height:100%; border:0; display:block;
}

/* Mobile tweaks */
@media (max-width:640px){
  .lightbox-inner{
    width:94vw; height:88vh; border-radius:10px;
  }
  .lightbox .close{ top:10px; right:10px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ transition:none !important; animation:none !important; }
}