:root {
    --modal-overlay-bg: rgba(0, 0, 0, 0.9);
    --modal-text-color: #ffffff;
    --modal-arrow-color: #ffffff;
    --modal-arrow-bg: rgba(255, 255, 255, 0.1);
    --modal-arrow-hover-bg: rgba(255, 255, 255, 0.2);

    --modal-z-index: 10000;
}

.image-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-overlay-bg);
    z-index: var(--modal-z-index);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(10px);
}

.image-modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.image-modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-modal-img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    user-select: none;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.image-modal-overlay.open .image-modal-img {
    transform: scale(1);
}

.image-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--modal-text-color);
    cursor: pointer;
    z-index: 10001;
    padding: 10px;
    border-radius: 50%;
    transition: background-color 0.2s ease, border-radius 0.2s ease;
}

.image-modal-close:hover {
    background-color: var(--modal-arrow-bg);
    border-radius: 0;
}

.image-modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--modal-arrow-color);
    cursor: pointer;
    padding: 15px;
    z-index: 10001;
    border-radius: 50%;
    transition: background-color 0.2s ease, transform 0.1s ease, border-radius 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-modal-nav:hover {
    background-color: var(--modal-arrow-hover-bg);
    border-radius: 0;
}

.image-modal-nav:active {
    transform: translateY(-50%) scale(0.95);
}

.image-modal-prev {
    left: 20px;
}

.image-modal-next {
    right: 20px;
}



/* Image Modal SVG sizing */
.image-modal-nav svg {
    width: 24px;
    height: 24px;
}

.image-modal-close .material-symbols-outlined {
    font-size: 28px;
}

@media (max-width: 768px) {
    .image-modal-nav {
        padding: 10px;
    }

    .image-modal-prev {
        left: 10px;
    }

    .image-modal-next {
        right: 10px;
    }

    .image-modal-close {
        top: 10px;
        right: 10px;
    }
}