.pdf-catalog {
    --pdf-catalog-accent: #0078b8;
    --pdf-catalog-text: #302a2d;
    --pdf-catalog-background: #f7f7f7;
    --pdf-catalog-border: #d5d6d5;
    width: 100%;
    outline: none;
}

.pdf-catalog .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.pdf-catalog:focus-visible {
    outline: 2px solid var(--pdf-catalog-accent);
    outline-offset: 4px;
}

.pdf-catalog__toolbar {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    margin-bottom: 14px;
}

.pdf-catalog__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    padding: 0;
    color: #fff;
    background: var(--pdf-catalog-accent);
    border: 2px solid var(--pdf-catalog-accent);
    border-radius: 50%;
    cursor: pointer;
    transition: color 160ms ease, background-color 160ms ease, opacity 160ms ease;
}

.pdf-catalog__button--previous {
    justify-self: start;
}

.pdf-catalog__button--next {
    justify-self: end;
}

.pdf-catalog__button span {
    width: 12px;
    height: 12px;
    border-top: 2px solid currentColor;
    border-right: 2px solid currentColor;
}

.pdf-catalog__button--previous span {
    margin-left: 5px;
    transform: rotate(-135deg);
}

.pdf-catalog__button--next span {
    margin-right: 5px;
    transform: rotate(45deg);
}

.pdf-catalog__button:hover:not(:disabled),
.pdf-catalog__button:focus-visible {
    color: var(--pdf-catalog-accent);
    background: #fff;
}

.pdf-catalog__button:focus-visible {
    outline: 2px solid var(--pdf-catalog-text);
    outline-offset: 3px;
}

.pdf-catalog__button:disabled {
    opacity: .32;
    cursor: default;
}

.pdf-catalog__counter {
    margin: 0;
    color: var(--pdf-catalog-text);
    font-size: 16px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.pdf-catalog__page-input {
    width: 3.5em;
    padding: 4px 5px;
    color: var(--pdf-catalog-text);
    font: inherit;
    text-align: center;
    background: #fff;
    border: 1px solid var(--pdf-catalog-border);
    border-radius: 2px;
    appearance: textfield;
}

.pdf-catalog__page-input::-webkit-inner-spin-button,
.pdf-catalog__page-input::-webkit-outer-spin-button {
    margin: 0;
    appearance: none;
}

.pdf-catalog__page-input:focus {
    border-color: var(--pdf-catalog-accent);
    outline: 2px solid rgba(0, 120, 184, .25);
    outline-offset: 1px;
}

.pdf-catalog__viewport {
    position: relative;
    min-height: 320px;
    padding: clamp(12px, 2vw, 30px);
    overflow: hidden;
    background: var(--pdf-catalog-background);
    border: 1px solid var(--pdf-catalog-border);
}

.pdf-catalog__spread {
    position: relative;
    display: flex;
    width: 100%;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    filter: drop-shadow(0 5px 11px rgba(48, 42, 45, .16));
}

.pdf-catalog__spread--double::after {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    z-index: 1;
    width: 1px;
    content: '';
    background: var(--pdf-catalog-border);
    transform: translateX(-.5px);
    pointer-events: none;
}

.pdf-catalog__canvas {
    display: block;
    flex: 0 1 40%;
    max-width: 40%;
    height: auto;
    background: #fff;
    box-shadow: none;
}

.pdf-catalog__canvas[hidden] {
    display: none;
}

.pdf-catalog__status {
    position: absolute;
    inset: 50% auto auto 50%;
    margin: 0;
    color: #707070;
    font-size: 15px;
    transform: translate(-50%, -50%);
}

.pdf-catalog__viewport:not([aria-busy="true"]) .pdf-catalog__status {
    display: none;
}

.pdf-catalog__error {
    margin: 12px 0 0;
    color: #a94442;
    text-align: center;
}

.pdf-catalog__download {
    margin: 14px 0 0;
    font-size: 15px;
    text-align: center;
}

.pdf-catalog__download a {
    color: #707070;
    text-decoration-color: #b6b8b9;
    text-underline-offset: 3px;
    transition: color 160ms ease;
}

.pdf-catalog__download a:hover,
.pdf-catalog__download a:focus-visible {
    color: var(--pdf-catalog-accent);
}

@media (max-width: 600px) {
    .pdf-catalog__button {
        width: 42px;
        height: 42px;
    }

    .pdf-catalog__viewport {
        min-height: 220px;
        padding: 8px;
    }

}

@media (prefers-reduced-motion: reduce) {
    .pdf-catalog__button,
    .pdf-catalog__download a {
        transition: none;
    }
}