.gpis-wrap {
    --gpis-bg: #f8f8f8;
    --gpis-surface: #ffffff;
    --gpis-border: #e5e7eb;
    --gpis-accent: #2563eb;
    --gpis-text: #111827;
    --gpis-thumb-bg: #ffffff;
    --gpis-button-bg: #ffffff;
    --gpis-button-color: #111827;
    --gpis-zoom-bg: #ffffff;
    --gpis-zoom-color: #111827;
    --gpis-active-border: #2563eb;
    --gpis-modal-surface: #f7f7f8;
    --gpis-modal-backdrop: rgba(17, 24, 39, 0.58);
    --gpis-modal-button-bg: #ffffff;
    --gpis-modal-button-color: #111827;
    --gpis-stage-max-height: 760px;
    --gpis-gap: 16px;
    --gpis-thumb-size: 88px;
    --gpis-radius: 18px;
    color: var(--gpis-text);
    display: grid;
    gap: var(--gpis-gap);
    align-items: start;
    width: 100%;
}

.gpis-wrap.gpis-layout-left {
    grid-template-columns: auto minmax(0, 1fr);
}

.gpis-wrap.gpis-layout-bottom {
    grid-template-columns: 1fr;
}

.gpis-main,
.gpis-thumbs-shell,
.gpis-thumb-rail,
.gpis-thumbs {
    min-width: 0;
}

.gpis-main {
    width: 100%;
}

.gpis-main-stage {
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    width: 100%;
    background: var(--gpis-bg);
    border: 1px solid var(--gpis-border);
    border-radius: var(--gpis-radius);
    overflow: hidden;
}

.gpis-main-image {
    display: block;
    width: 100%;
    height: auto;
    max-height: var(--gpis-stage-max-height);
    object-fit: contain;
    margin: 0;
}

.gpis-thumbs-shell {
    display: flex;
    gap: 10px;
    min-height: 0;
}

.gpis-thumbs-shell-left {
    flex-direction: column;
    width: var(--gpis-thumb-size);
}

.gpis-thumbs-shell-bottom {
    flex-direction: row;
    align-items: center;
    width: 100%;
}

.gpis-thumb-rail {
    position: relative;
    overflow: hidden;
    min-height: 0;
}

.gpis-thumbs-shell-left .gpis-thumb-rail {
    width: var(--gpis-thumb-size);
    max-height: var(--gpis-stage-max-height);
}

.gpis-thumbs-shell-bottom .gpis-thumb-rail {
    width: 100%;
}

.gpis-thumbs {
    display: flex;
    gap: 12px;
    transition: transform 0.22s ease;
    will-change: transform;
}

.gpis-thumbs-left {
    flex-direction: column;
}

.gpis-thumbs-bottom {
    flex-direction: row;
}

.gpis-thumbs-nav,
.gpis-zoom-trigger,
.gpis-modal-nav,
.gpis-modal-toolbar button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--gpis-border);
    border-radius: 999px;
    background: var(--gpis-button-bg);
    color: var(--gpis-button-color);
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease, background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
    box-shadow: 0 8px 24px rgba(17, 24, 39, 0.08);
}

.gpis-thumbs-nav svg,
.gpis-zoom-trigger svg,
.gpis-modal-nav svg,
.gpis-modal-toolbar button svg {
    width: 20px;
    height: 20px;
    display: block;
}

.gpis-thumbs-nav:hover,
.gpis-thumbs-nav:focus-visible,
.gpis-thumb:hover,
.gpis-thumb:focus-visible,
.gpis-zoom-trigger:hover,
.gpis-zoom-trigger:focus-visible,
.gpis-modal-nav:hover,
.gpis-modal-nav:focus-visible,
.gpis-modal-toolbar button:hover,
.gpis-modal-toolbar button:focus-visible {
    outline: none;
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(17, 24, 39, 0.14);
}

.gpis-thumbs-nav {
    width: 40px;
    height: 40px;
    padding: 0;
    flex: 0 0 auto;
}

.gpis-thumbs-nav.is-disabled {
    opacity: 0.35;
    cursor: default;
    pointer-events: none;
    transform: none;
    box-shadow: none;
}

.gpis-thumb {
    width: var(--gpis-thumb-size);
    min-width: var(--gpis-thumb-size);
    height: var(--gpis-thumb-size);
    border: 1px solid var(--gpis-border);
    border-radius: 14px;
    background: var(--gpis-thumb-bg);
    padding: 0;
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

.gpis-thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    padding: 4px;
}

.gpis-thumb.is-active {
    border-color: var(--gpis-active-border);
    box-shadow: inset 0 0 0 1px var(--gpis-active-border);
}

.gpis-zoom-trigger {
    position: absolute;
    right: 14px;
    bottom: 14px;
    width: 52px;
    height: 52px;
    padding: 0;
    background: var(--gpis-zoom-bg);
    color: var(--gpis-zoom-color);
    border-color: color-mix(in srgb, var(--gpis-border) 70%, transparent);
}

.gpis-modal[hidden] {
    display: none !important;
}

.gpis-modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
}

.gpis-modal-backdrop {
    position: absolute;
    inset: 0;
    background: var(--gpis-modal-backdrop);
    backdrop-filter: blur(3px);
}

.gpis-modal-dialog {
    position: relative;
    z-index: 1;
    width: min(96vw, 1480px);
    height: min(94vh, 980px);
    margin: 3vh auto;
    background: var(--gpis-modal-surface);
    border-radius: 26px;
    overflow: hidden;
}

.gpis-modal-topbar {
    position: absolute;
    top: 18px;
    left: 24px;
    right: 24px;
    z-index: 3;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.gpis-modal-counter {
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.92);
    border-radius: 999px;
    color: var(--gpis-text);
    box-shadow: 0 8px 24px rgba(17, 24, 39, 0.08);
    font-size: 14px;
    font-weight: 600;
}

.gpis-modal-toolbar {
    display: flex;
    gap: 10px;
}

.gpis-modal-toolbar button {
    width: 52px;
    height: 52px;
    min-width: 52px;
    min-height: 52px;
    padding: 0;
    background: var(--gpis-modal-button-bg);
    color: var(--gpis-modal-button-color);
    border-color: transparent;
}

.gpis-modal-viewport {
    width: 100%;
    height: 100%;
    overflow: auto;
    padding: 84px 32px 54px;
    cursor: grab;
}

.gpis-modal-viewport:active {
    cursor: grabbing;
}

.gpis-modal-stage {
    position: relative;
    min-height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gpis-modal-image {
    display: block;
    width: auto;
    height: auto;
    max-width: min(100%, 1120px);
    max-height: calc(94vh - 160px);
    margin: auto;
    transform-origin: center center;
    transition: transform 0.16s ease;
    user-select: none;
}

.gpis-modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 56px;
    height: 56px;
    padding: 0;
    background: var(--gpis-modal-button-bg);
    color: var(--gpis-modal-button-color);
    border-color: transparent;
}

.gpis-modal-nav:hover,
.gpis-modal-nav:focus-visible {
    transform: translateY(-50%) scale(1.02);
}

.gpis-modal-prev {
    left: max(8px, calc(50% - min(560px, 48vw) - 84px));
}

.gpis-modal-next {
    right: max(8px, calc(50% - min(560px, 48vw) - 84px));
}

.gpis-modal-hint {
    position: absolute;
    left: 50%;
    bottom: 16px;
    transform: translateX(-50%);
    z-index: 3;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(17, 24, 39, 0.68);
    color: #fff;
    font-size: 13px;
    white-space: nowrap;
}

.gpis-empty {
    padding: 18px;
    border: 1px solid #e5e7eb;
    background: #fafafa;
    border-radius: 12px;
}

.gpis-template-card {
    padding: clamp(12px, 1.8vw, 20px);
    background: var(--gpis-surface);
    border: 1px solid var(--gpis-border);
    border-radius: calc(var(--gpis-radius) + 6px);
    box-shadow: 0 18px 46px rgba(17, 24, 39, 0.08);
}

.gpis-template-card .gpis-main-stage,
.gpis-template-card .gpis-thumb,
.gpis-template-card .gpis-thumbs-nav {
    box-shadow: none;
}

.gpis-template-minimal .gpis-main-stage {
    background: transparent;
    border-color: transparent;
}

.gpis-template-minimal .gpis-thumb,
.gpis-template-minimal .gpis-thumbs-nav {
    border-color: transparent;
    box-shadow: none;
}

.gpis-template-minimal .gpis-thumb.is-active {
    box-shadow: inset 0 0 0 2px var(--gpis-active-border);
}

@media (max-width: 1024px) {
    .gpis-wrap.gpis-layout-left {
        grid-template-columns: auto minmax(0, 1fr);
    }

    .gpis-wrap {
        --gpis-stage-max-height: min(var(--gpis-stage-max-height), 640px);
    }

    .gpis-modal-dialog {
        width: min(98vw, 1320px);
        height: min(96vh, 920px);
    }

    .gpis-modal-viewport {
        padding: 84px 20px 52px;
    }

    .gpis-modal-image {
        max-width: min(100%, 920px);
    }

    .gpis-modal-prev {
        left: 12px;
    }

    .gpis-modal-next {
        right: 12px;
    }
}

@media (max-width: 767px) {
    .gpis-wrap.gpis-layout-left,
    .gpis-wrap.gpis-layout-bottom {
        grid-template-columns: 1fr;
    }

    .gpis-main {
        order: 1;
    }

    .gpis-thumbs-shell-left,
    .gpis-thumbs-shell-bottom {
        order: 2;
        flex-direction: row;
        align-items: center;
        width: 100%;
    }

    .gpis-thumbs-shell-left .gpis-thumb-rail,
    .gpis-thumbs-shell-bottom .gpis-thumb-rail {
        width: 100%;
        max-height: none;
    }

    .gpis-thumbs-left,
    .gpis-thumbs-bottom {
        flex-direction: row;
    }

    .gpis-thumb {
        width: min(22vw, var(--gpis-thumb-size));
        min-width: min(22vw, var(--gpis-thumb-size));
        height: min(22vw, var(--gpis-thumb-size));
    }

    .gpis-zoom-trigger {
        width: 46px;
        height: 46px;
        right: 12px;
        bottom: 12px;
    }

    .gpis-modal-dialog {
        width: 100vw;
        height: 100vh;
        margin: 0;
        border-radius: 0;
    }

    .gpis-modal-topbar {
        top: 12px;
        left: 12px;
        right: 12px;
    }

    .gpis-modal-toolbar {
        gap: 8px;
    }

    .gpis-modal-toolbar button {
        width: 46px;
        height: 46px;
        min-width: 46px;
        min-height: 46px;
    }

    .gpis-modal-viewport {
        padding: 84px 14px 52px;
    }

    .gpis-modal-image {
        max-width: 100%;
        max-height: calc(100vh - 158px);
    }

    .gpis-modal-nav {
        width: 46px;
        height: 46px;
    }

    .gpis-modal-prev {
        left: 8px;
    }

    .gpis-modal-next {
        right: 8px;
    }

    .gpis-modal-hint {
        bottom: 10px;
        max-width: calc(100vw - 24px);
        white-space: normal;
        text-align: center;
        font-size: 12px;
    }

    .gpis-template-card {
        padding: 12px;
    }
}