.oc-gallery {
    --oc-main-bg: #ffffff;
    --oc-main-radius: 12px;
    --oc-main-border-color: #e5e5e5;
    --oc-main-border-width: 1px;
    --oc-main-padding: 15px;
    --oc-main-ratio: 1 / 1;
    --oc-image-fit: contain;

    --oc-arrow-size: 40px;
    --oc-arrow-icon-size: 16px;
    --oc-arrow-offset: 10px;
    --oc-arrow-color: #2b2b2b;
    --oc-arrow-bg: rgba(255, 255, 255, 0.9);
    --oc-arrow-color-hover: #ffffff;
    --oc-arrow-bg-hover: #2b2b2b;
    --oc-arrow-radius: 50%;

    --oc-progress-height: 4px;
    --oc-progress-color: #c87400;
    --oc-progress-track: rgba(0, 0, 0, 0.10);
    --oc-progress-inset: 0px;

    --oc-thumb-radius: 8px;
    --oc-thumb-border-width: 1px;
    --oc-thumb-border-color: #e5e5e5;
    --oc-thumb-border-color-active: #2b2b2b;
    --oc-thumb-opacity: 0.6;

    width: 100%;
    font-family: inherit;
}

.oc-gallery-main-wrap {
    position: relative;
}

.oc-gallery-main {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: var(--oc-main-bg);
    border: var(--oc-main-border-width) solid var(--oc-main-border-color);
    border-radius: var(--oc-main-radius);
    box-sizing: border-box;
}

.oc-gallery-main .swiper-wrapper {
    align-items: center;
}

.oc-gallery-main .swiper-slide {
    box-sizing: border-box;
    height: auto;
    align-self: center;
}

.oc-gallery-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: var(--oc-main-ratio);
    padding: var(--oc-main-padding);
    overflow: hidden;
}

.oc-gallery-slide > .oc-gallery-zoom {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    cursor: zoom-in;
}

.oc-gallery-image {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
    object-fit: var(--oc-image-fit);
}

.oc-gallery-slide img {
    margin: 0;
}

.oc-gallery-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 6;
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--oc-arrow-size);
    height: var(--oc-arrow-size);
    padding: 0;
    margin: 0;
    border: none;
    border-radius: var(--oc-arrow-radius);
    background: var(--oc-arrow-bg);
    color: var(--oc-arrow-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.10);
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, opacity 0.2s ease;
    -webkit-appearance: none;
    appearance: none;
}

.oc-gallery-arrow:focus-visible {
    background: var(--oc-arrow-bg-hover);
    color: var(--oc-arrow-color-hover);
}

@media (hover: hover) {
    .oc-gallery-arrow:hover {
        background: var(--oc-arrow-bg-hover);
        color: var(--oc-arrow-color-hover);
    }
}

.oc-gallery-arrow svg {
    width: var(--oc-arrow-icon-size);
    height: var(--oc-arrow-icon-size);
    display: block;
}

.oc-gallery-prev {
    left: var(--oc-arrow-offset);
}

.oc-gallery-next {
    right: var(--oc-arrow-offset);
}

.oc-gallery-arrow.oc-is-disabled {
    opacity: 0.35;
    pointer-events: none;
}

.oc-gallery-progress {
    position: absolute;
    left: var(--oc-progress-inset);
    right: var(--oc-progress-inset);
    bottom: 0;
    height: var(--oc-progress-height);
    background: var(--oc-progress-track);
    border-radius: calc(var(--oc-progress-height) / 2);
    overflow: hidden;
    z-index: 5;
    pointer-events: none;
}

.oc-gallery-progress-bar {
    display: block;
    width: 100%;
    height: 100%;
    background: var(--oc-progress-color);
    transform: scaleX(0);
    transform-origin: left center;
    border-radius: inherit;
}

.oc-gallery-progress-bar.oc-is-running {
    animation-name: oc-gallery-progress;
    animation-timing-function: linear;
    animation-fill-mode: forwards;
}

@keyframes oc-gallery-progress {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    .oc-gallery-progress-bar.oc-is-running {
        animation: none;
        transform: scaleX(1);
    }
}

.oc-gallery-thumbs {
    width: 100%;
    overflow: hidden;
    margin-top: 12px;
    touch-action: pan-y;
}

.oc-gallery-thumbs .swiper-wrapper {
    align-items: center;
}

.oc-gallery-thumbs .swiper-slide {
    height: auto;
    box-sizing: border-box;
    align-self: center;
}

.oc-gallery-thumb {
    cursor: pointer;
    border: var(--oc-thumb-border-width) solid var(--oc-thumb-border-color);
    border-radius: var(--oc-thumb-radius);
    overflow: hidden;
    background: var(--oc-main-bg);
    opacity: var(--oc-thumb-opacity);
    transition: opacity 0.2s ease, border-color 0.2s ease;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
}

.oc-gallery-thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    margin: 0;
}

@media (hover: hover) {
    .oc-gallery-thumb:hover {
        opacity: 1;
    }
}

.oc-gallery-thumbs .swiper-slide-thumb-active .oc-gallery-thumb,
.oc-gallery-thumb.swiper-slide-thumb-active {
    opacity: 1;
    border-color: var(--oc-thumb-border-color-active);
}