.slb-overlay{position:fixed;inset:0;display:none;justify-content:center;align-items:center;background:#000c;opacity:0;transition:opacity .3s ease;z-index:9999;overflow:hidden}.slb-img{max-width:90vw;max-height:90vh;transition:transform .4s ease,opacity .4s ease;box-shadow:0 0 20px #00000080}.slb-close{position:absolute;top:20px;right:20px;font-size:2rem;background:none;border:none;color:#fff;cursor:pointer}.slb-prev,.slb-next{position:absolute;top:50%;transform:translateY(-50%);background:none;border:none;color:#fff;font-size:3rem;cursor:pointer;padding:0 10px}.slb-prev{left:20px}.slb-next{right:20px}.slb-spinner{border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;width:50px;height:50px;animation:slb-spin 1s linear infinite;position:absolute}@keyframes slb-spin{to{transform:rotate(360deg)}}