.lb{position:fixed;inset:0;background:rgba(0,0,0,.95);display:flex;align-items:center;justify-content:center;gap:10px}
.lb img{max-width:92vw;max-height:88vh;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.6)}
.lb-close,.lb-prev,.lb-next{
  position:absolute;top:14px;background:transparent;border:0;color:#fff;font-size:32px;cursor:pointer;padding:6px 10px
}
.lb-close{right:14px}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%);font-size:42px}
.lb-prev{left:16px}
.lb-next{right:16px}