.heart-icon-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    cursor: pointer;
    z-index: 3;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.heart-icon-btn:hover {
    background: white;
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.heart-icon-btn.favorited {
    background: rgba(255, 107, 107, 0.1);
    border-color: #ff6b6b;
}

.heart-icon-btn.favorited i {
    color: #ff6b6b;
    animation: heartbeat 0.6s ease;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}