.lb-overlay{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,.7);z-index:9999}.lb-overlay img{max-width:90vw;max-height:90vh;box-shadow:0 10px 30px rgba(0,0,0,.6);border-radius:10px}.lb-overlay.show{display:flex}.lb-close{position:fixed;top:20px;right:24px;font-size:22px;color:#fff;cursor:pointer;user-select:none}