.pdf-flipbook-container {
    box-sizing: border-box;
    margin-inline: auto;
    min-inline-size: 0;
    width: 100%;
}

.pdf-flipbook {
    --pdf-flipbook-bg: transparent;
    --pdf-flipbook-toolbar: var(--bs-tertiary-bg, #f1f3f5);
    --pdf-flipbook-text: var(--bs-body-color, #20242b);
    --pdf-flipbook-accent: var(--bs-primary, #d53434);
    --pdf-flipbook-radius: 10px;
    background: var(--pdf-flipbook-bg);
    border-radius: var(--pdf-flipbook-radius);
    color: var(--pdf-flipbook-text);
    box-sizing: border-box;
    inline-size: 100%;
    margin: 1.5rem 0;
    max-inline-size: 100%;
    min-inline-size: 0;
    overflow: hidden;
    position: relative;
}

.pdf-flipbook *,
.pdf-flipbook *::before,
.pdf-flipbook *::after {
    box-sizing: border-box;
}

.pdf-flipbook:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--pdf-flipbook-accent), white 30%);
    outline-offset: 3px;
}

.pdf-flipbook__toolbar {
    align-items: center;
    background: var(--pdf-flipbook-toolbar);
    color: var(--pdf-flipbook-text);
    display: grid;
    gap: .75rem;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    min-height: 54px;
    min-width: 0;
    padding: .5rem .75rem;
    position: relative;
    z-index: 20;
}

.pdf-flipbook__toolbar > .pdf-flipbook__toolbar-group:first-child {
    grid-column: 1;
    justify-self: start;
}

.pdf-flipbook__toolbar > .pdf-flipbook__toolbar-group:last-child {
    grid-column: 3;
    justify-self: end;
}

.pdf-flipbook__toolbar-group--center {
    grid-column: 2;
    justify-self: center;
}

.pdf-flipbook__toolbar-group {
    align-items: center;
    display: flex;
    gap: .3rem;
    min-width: 0;
}

.pdf-flipbook__button {
    align-items: center;
    background: transparent;
    border: 1px solid color-mix(in srgb, currentColor 28%, transparent);
    border-radius: 6px;
    color: inherit;
    cursor: pointer;
    display: inline-flex;
    font: inherit;
    font-size: 1.35rem;
    height: 38px;
    justify-content: center;
    line-height: 1;
    min-width: 38px;
    padding: .35rem .55rem;
    text-decoration: none;
    transition: background-color .15s ease, border-color .15s ease, opacity .15s ease;
}

.pdf-flipbook__button:hover,
.pdf-flipbook__button:focus-visible {
    background: color-mix(in srgb, currentColor 10%, transparent);
    border-color: color-mix(in srgb, currentColor 55%, transparent);
    color: inherit;
    outline: none;
}

.pdf-flipbook__button:disabled {
    cursor: default;
    opacity: .35;
}

.pdf-flipbook__button--back {
    font-size: .92rem;
    gap: .4rem;
    padding-inline: .8rem;
    white-space: nowrap;
}

.pdf-flipbook__page-control {
    align-items: center;
    display: inline-flex;
    font-size: .95rem;
    gap: .35rem;
}

.pdf-flipbook__page-input {
    appearance: textfield;
    background: #fff;
    border: 0;
    border-radius: 4px;
    color: #17191d;
    font: inherit;
    height: 32px;
    text-align: center;
    width: 3.4rem;
}

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

.pdf-flipbook__zoom {
    font-size: .82rem;
    min-width: 3.4rem;
    text-align: center;
}

.pdf-flipbook__status {
    align-items: center;
    display: flex;
    gap: .65rem;
    justify-content: center;
    min-height: 190px;
    padding: 2rem;
}

.pdf-flipbook__spinner {
    animation: pdf-flipbook-spin .8s linear infinite;
    border: 3px solid color-mix(in srgb, currentColor 25%, transparent);
    border-radius: 50%;
    border-top-color: currentColor;
    height: 24px;
    width: 24px;
}

.pdf-flipbook__viewport {
    display: flex;
    height: 0;
    inline-size: 100%;
    justify-content: flex-start;
    max-inline-size: 100%;
    min-inline-size: 0;
    overscroll-behavior: contain;
    overflow: hidden;
    padding: 0;
    visibility: hidden;
}

.pdf-flipbook.is-ready .pdf-flipbook__viewport {
    height: auto;
    overflow: auto;
    padding: clamp(.75rem, 2vw, 1.5rem);
    visibility: visible;
}

.pdf-flipbook.is-ready .pdf-flipbook__status {
    display: none;
}

.pdf-flipbook__shell {
    flex: 0 0 auto;
    margin-inline: auto;
    max-width: none;
    min-width: 0;
    position: relative;
}

.pdf-flipbook__book {
    left: 0;
    position: absolute;
    top: 0;
    transform-origin: left top;
}

.pdf-flipbook__page {
    background: #fff;
    overflow: hidden;
}

.pdf-flipbook__page img {
    display: block;
    height: 100%;
    object-fit: fill;
    user-select: none;
    width: 100%;
}

.pdf-flipbook__fallback {
    display: none;
    padding: 2rem;
    text-align: center;
}

.pdf-flipbook__fallback a,
.pdf-flipbook__noscript a {
    color: var(--bs-link-color, #0d6efd);
    text-decoration: underline;
}

.pdf-flipbook.is-error .pdf-flipbook__status,
.pdf-flipbook.is-error .pdf-flipbook__viewport {
    display: none;
}

.pdf-flipbook.is-error .pdf-flipbook__fallback {
    display: block;
}

.pdf-flipbook__noscript {
    padding: 1.25rem;
    text-align: center;
}

.pdf-flipbook:fullscreen {
    background: var(--bs-body-bg, #fff);
    border-radius: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
}

.pdf-flipbook:fullscreen .pdf-flipbook__viewport {
    flex: 1 1 auto;
}

.pdf-flipbook__sr-only {
    border: 0;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    white-space: nowrap;
    width: 1px;
}

@keyframes pdf-flipbook-spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 520px) {
    .pdf-flipbook__toolbar {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }

    .pdf-flipbook__toolbar-group {
        justify-content: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .pdf-flipbook__spinner {
        animation-duration: 1.8s;
    }
}

/* Required layout styles for the bundled StPageFlip renderer. */
.stf__parent {
    box-sizing: border-box;
    display: block;
    position: relative;
    touch-action: pan-y;
    transform: translateZ(0);
}

.pdf-flipbook__book.stf__parent {
    max-width: none !important;
    min-width: 0 !important;
}

.sft__wrapper,
.stf__wrapper {
    box-sizing: border-box;
    position: relative;
    width: 100%;
}

.stf__parent canvas {
    height: 100%;
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
}

.stf__block {
    box-sizing: border-box;
    height: 100%;
    perspective: 2000px;
    position: absolute;
    width: 100%;
}

.stf__item {
    display: none;
    position: absolute;
    transform-style: preserve-3d;
}

.stf__outerShadow,
.stf__innerShadow,
.stf__hardShadow,
.stf__hardInnerShadow {
    left: 0;
    position: absolute;
    top: 0;
}