.favorite-btn{position:absolute;top:10px;right:10px;background:rgba(255,255,255,.9);border:0;border-radius:50%;width:40px;height:40px;padding:0;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;transition:all .3s ease;box-shadow:0 2px 8px rgba(0,0,0,.1)}.favorite-btn:hover{background:rgba(255,255,255,1);transform:scale(1.1);box-shadow:0 4px 12px rgba(0,0,0,.15)}.favorite-btn i{font-size:1.5rem;color:#dc3545}.favorite-btn.active i.bi-heart{display:none}.favorite-btn.active i.bi-heart-fill{display:inline}.favorite-btn i.bi-heart-fill{display:none}