/* Lightbox CSS (external, root-relative) */
.lb-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.9);display:none;align-items:center;justify-content:center;z-index:9999}
.lb-backdrop.open{display:flex}
.lb-stage{position:relative;max-width:92vw;max-height:88vh;display:flex;align-items:center;justify-content:center}
.lb-img{max-width:92vw;max-height:88vh;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.7)}
.lb-btn{user-select:none;cursor:pointer;border:1px solid #555;background:rgba(0,0,0,.45);color:#e6d7b9;border-radius:999px;width:44px;height:44px;display:grid;place-items:center;font-weight:800;position:fixed;top:50%;transform:translateY(-50%)}
.lb-prev{left:24px}
.lb-next{right:24px}
.lb-close{top:24px;right:24px;transform:none}