.fullscreen-view {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.69);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 9999;
}

.fullscreen-view img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(255, 255, 255, 0.2);
}

.close-btn, .nav-buttons {
    position: absolute;
    font-size: 2.5rem;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    z-index: 10000;
    transition: opacity 0.3s;
}

.close-btn:hover, .nav-buttons:hover {
    opacity: 0.7;
}

.close-btn { top: 20px; right: 20px; }
.prev-btn { left: 30px; top: 50%; transform: translateY(-50%); }
.next-btn { right: 30px; top: 50%; transform: translateY(-50%); }