#kursLightbox { position: fixed; inset: 0; z-index: 99999; display: flex; align-items: center; justify-content: center; }
#kursLightbox .klb-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.95); cursor: zoom-out; }
#kursLightbox .klb-kapat { position: fixed; top: 16px; right: 20px; width: 48px; height: 48px; border-radius: 50%; background: rgba(255,255,255,.15); border: 0; color: white; font-size: 30px; cursor: pointer; z-index: 2; transition: all .2s; display: flex; align-items: center; justify-content: center; line-height: 1; }
#kursLightbox .klb-kapat:hover { background: rgba(255,255,255,.3); transform: rotate(90deg); }
#kursLightbox .klb-prev, #kursLightbox .klb-next { position: fixed; top: 50%; transform: translateY(-50%); width: 56px; height: 56px; border-radius: 50%; background: rgba(255,255,255,.15); border: 0; color: white; font-size: 40px; cursor: pointer; z-index: 2; transition: all .2s; display: flex; align-items: center; justify-content: center; line-height: 1; padding-bottom: 4px; }
#kursLightbox .klb-prev:hover, #kursLightbox .klb-next:hover { background: #E8A020; color: #0a1628; }
#kursLightbox .klb-prev { left: 20px; }
#kursLightbox .klb-next { right: 20px; }
#kursLightbox .klb-sayac { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); background: rgba(0,0,0,.6); color: white; padding: 8px 18px; border-radius: 50px; font-size: 13px; font-weight: 700; z-index: 2; }
#kursLightbox .klb-icerik { position: relative; z-index: 1; max-width: 90vw; max-height: 75vh; display: flex; flex-direction: column; align-items: center; gap: 14px; }
#kursLightbox .klb-icerik img { max-width: 90vw; max-height: 70vh; object-fit: contain; border-radius: 10px; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
#kursLightbox .klb-bilgi { text-align: center; color: white; }
#kursLightbox .klb-bilgi .klb-baslik { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
#kursLightbox .klb-bilgi .klb-tarih { font-size: 12px; opacity: .7; }
#kursLightbox .klb-thumblar { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); display: flex; gap: 6px; max-width: 90vw; overflow-x: auto; padding: 8px 14px; background: rgba(0,0,0,.5); border-radius: 50px; z-index: 2; scrollbar-width: none; }
#kursLightbox .klb-thumblar::-webkit-scrollbar { display: none; }
#kursLightbox .klb-thumblar img { width: 50px; height: 50px; object-fit: cover; border-radius: 6px; cursor: pointer; opacity: .5; transition: all .2s; border: 2px solid transparent; flex-shrink: 0; }
#kursLightbox .klb-thumblar img:hover { opacity: .85; }
#kursLightbox .klb-thumblar img.aktif { opacity: 1; border-color: #E8A020; transform: scale(1.08); }
.kurs-galeri-thumb img { transition: transform .3s; }
.kurs-galeri-thumb:hover img { transform: scale(1.08); }
@media (max-width: 768px) {
  #kursLightbox .klb-prev, #kursLightbox .klb-next { width: 44px; height: 44px; font-size: 30px; }
  #kursLightbox .klb-prev { left: 8px; }
  #kursLightbox .klb-next { right: 8px; }
  #kursLightbox .klb-thumblar img { width: 40px; height: 40px; }
}