html,
body,
.catalog-viewer,
.catalog-viewer__stage {
    background: rgb(91, 87, 86);
    color: #eee;
    height: 100%;
    margin: 0;
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    overflow: hidden;
}

.catalog-viewer {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 100vh;
    min-height: 100dvh;
}

.catalog-viewer__counter {
    background: rgba(0, 0, 0, 0.27);
    color: #eee;
    font: 16px Times, "Times New Roman", serif;
    left: 0;
    line-height: 27px;
    min-width: 68px;
    padding: 0 8px;
    position: absolute;
    text-align: center;
    top: 0;
    z-index: 4;
}

.catalog-viewer__close {
    align-items: center;
    background: rgba(0, 0, 0, 0.27);
    color: #eee;
    display: flex;
    font-size: 18px;
    height: 27px;
    justify-content: center;
    position: absolute;
    right: 0;
    text-decoration: none;
    top: 0;
    width: 32px;
    z-index: 5;
}

.catalog-viewer__close:hover {
    color: #fff;
}

.catalog-viewer__stage.is-dragging .catalog-viewer__spread {
    cursor: grabbing;
}

.catalog-viewer__arrow {
    appearance: none;
    background: transparent;
    border: 0;
    color: #fff;
    cursor: pointer;
    font-size: 30px;
    height: 40px;
    line-height: 40px;
    padding: 0;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    z-index: 4;
}

.catalog-viewer__arrow--prev {
    left: 0;
}

.catalog-viewer__arrow--next {
    right: 0;
}

.catalog-viewer__arrow:disabled {
    cursor: default;
    opacity: 0.35;
}

.catalog-viewer__menu {
    align-items: center;
    background: rgb(49, 53, 56);
    display: flex;
    flex: none;
    height: 42px;
    justify-content: center;
}

.catalog-viewer__menu-btn {
    align-items: center;
    appearance: none;
    background: transparent;
    border: 0;
    color: #eee;
    cursor: pointer;
    display: inline-flex;
    font-size: 14px;
    height: 38px;
    justify-content: center;
    padding: 0;
    text-decoration: none;
    width: 38px;
}

.catalog-viewer__menu-btn:hover:not(:disabled) {
    color: #fff;
}

.catalog-viewer__menu-btn:disabled {
    cursor: default;
    opacity: 0.35;
}

.catalog-viewer__menu-btn.is-active {
    color: #fff;
}

.catalog-viewer__menu-btn svg {
    display: block;
    height: 14px;
    width: 14px;
}

.catalog-viewer__menu-btn[hidden] {
    display: none;
}

.catalog-viewer__stage {
    align-items: center;
    display: flex;
    flex: 1 1 auto;
    justify-content: center;
    min-height: 0;
    overflow: auto;
    padding: 0;
    perspective: 1600px;
    position: relative;
}

.catalog-viewer__status {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    left: 50%;
    position: absolute;
    text-align: center;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.catalog-viewer__status[hidden] {
    display: none;
}

.catalog-viewer__spread {
    align-items: stretch;
    cursor: grab;
    display: flex;
    gap: 0;
    justify-content: center;
    perspective: 2500px;
    perspective-origin: 50% 50%;
    position: relative;
    transform-style: preserve-3d;
}

.catalog-viewer__page {
    background: #fff;
    flex: none;
    overflow: hidden;
    position: relative;
    transform-style: preserve-3d;
}

.catalog-viewer__stage.is-page-turning {
    overflow: visible;
}

.catalog-viewer__stage.is-page-turning .catalog-viewer__spread {
    perspective: 4200px;
}

.catalog-viewer__page.is-turning-host {
    overflow: visible;
    z-index: 3;
}

.catalog-viewer__leaf {
    inset: 0;
    position: absolute;
    transform-style: preserve-3d;
    z-index: 4;
}

.catalog-viewer__curl,
.catalog-viewer__curl-seg,
.catalog-viewer__curl-face {
    position: absolute;
    transform-style: preserve-3d;
}

.catalog-viewer__curl {
    inset: 0;
    overflow: visible;
    pointer-events: none;
    z-index: 4;
}

.catalog-viewer__curl-seg {
    top: 0;
}

.catalog-viewer__curl-face {
    backface-visibility: hidden;
    background: #fff;
    inset: 0;
    overflow: hidden;
    -webkit-backface-visibility: hidden;
}

.catalog-viewer__curl-face--back {
    transform: rotateY(180deg);
}

.catalog-viewer__curl-face canvas {
    display: block;
    height: 100%;
    width: 100%;
}

.catalog-viewer__curl-shade {
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0) 72%);
    inset: 0;
    opacity: 0;
    pointer-events: none;
    position: absolute;
}

.catalog-viewer__curl.is-from-right .catalog-viewer__curl-shade {
    background: linear-gradient(270deg, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0) 72%);
}

.catalog-viewer__face {
    backface-visibility: hidden;
    background: #fff;
    inset: 0;
    overflow: hidden;
    position: absolute;
    -webkit-backface-visibility: hidden;
}

.catalog-viewer__face--back {
    transform: rotateY(180deg);
}

.catalog-viewer__face canvas {
    display: block;
    height: 100%;
    width: 100%;
}

.catalog-viewer__page.is-blank {
    background: transparent;
    visibility: hidden;
}

.catalog-viewer__page[hidden],
.catalog-viewer.is-single [data-page-slot="1"] {
    display: none;
}

.catalog-viewer__page canvas,
.catalog-viewer__preview {
    display: block;
    height: 100%;
    object-fit: contain;
    width: 100%;
}

.catalog-viewer__status a {
    color: #fff;
}

.catalog-viewer__spinner {
    animation: catalog-viewer-spin 0.8s linear infinite;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    border-top-color: #fff;
    height: 36px;
    width: 36px;
}

@keyframes catalog-viewer-spin {
    to {
        transform: rotate(360deg);
    }
}

.catalog-viewer__thumbs {
    background: #161616;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    flex: none;
    gap: 12px;
    max-height: 28vh;
    overflow: auto;
    padding: 12px 16px 16px;
}

.catalog-viewer__thumbs[hidden] {
    display: none;
}

.catalog-viewer__thumb {
    appearance: none;
    background: #2a2a2a;
    border: 1px solid transparent;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    flex: none;
    font-size: 12px;
    height: 132px;
    padding: 0;
    position: relative;
    width: 92px;
}

.catalog-viewer__thumb.is-current {
    border-color: #fff;
}

.catalog-viewer__thumb canvas {
    display: block;
    height: 100%;
    object-fit: contain;
    width: 100%;
}

.catalog-viewer__thumb-index {
    background: rgba(0, 0, 0, 0.55);
    bottom: 4px;
    left: 4px;
    line-height: 1;
    padding: 3px 5px;
    position: absolute;
}

@media (max-width: 768px) {
    .catalog-viewer__menu-btn {
        width: 32px;
    }
}