.fbps-flipbook {
    --fbps-width: 100%;
    --fbps-height: 620px;
    box-sizing: border-box;
    color: #202124;
    font-family: inherit;
    margin: 24px auto;
    max-width: 100%;
    width: var(--fbps-width);
}

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

.fbps-toolbar {
    align-items: center;
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 12px;
}

.fbps-toolbar button,
.fbps-download {
    align-items: center;
    background: #1d2327;
    border: 1px solid #1d2327;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
    display: inline-flex;
    font-size: 15px;
    font-weight: 600;
    justify-content: center;
    line-height: 1;
    min-height: 38px;
    min-width: 42px;
    padding: 9px 13px;
    text-decoration: none;
}

.fbps-toolbar button {
    font-size: 28px;
    padding-bottom: 11px;
}

.fbps-toolbar button:disabled {
    cursor: not-allowed;
    opacity: 0.38;
}

.fbps-page-status {
    color: #2c3338;
    font-size: 14px;
    font-weight: 700;
    min-width: 96px;
    text-align: center;
}

.fbps-stage {
    align-items: center;
    background: #fff;
    border: 1px solid #e2e4e7;
    border-radius: 6px;
    box-shadow: none;
    display: flex;
    gap: 18px;
    height: var(--fbps-height);
    justify-content: center;
    overflow: hidden;
    padding: 12px;
    perspective: 1300px;
    position: relative;
}

.fbps-stage::after {
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.98), rgba(245, 246, 247, 0.96)),
        #fff;
    bottom: 12px;
    box-shadow: -18px 0 28px rgba(0, 0, 0, 0.16);
    content: "";
    opacity: 0;
    pointer-events: none;
    position: absolute;
    top: 12px;
    transform-style: preserve-3d;
    width: calc(50% - 21px);
    z-index: 3;
}

.fbps-loader {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid #dcdcde;
    border-radius: 4px;
    color: #1d2327;
    font-weight: 700;
    left: 50%;
    padding: 12px 16px;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.fbps-page {
    background: #fff;
    box-shadow: 0 8px 22px rgba(20, 20, 20, 0.22);
    display: block;
    max-height: 100%;
    max-width: calc(50% - 9px);
    transition: opacity 160ms ease, transform 160ms ease;
}

.fbps-left-page {
    transform-origin: right center;
}

.fbps-right-page {
    transform-origin: left center;
}

.fbps-rendering .fbps-page {
    opacity: 0.72;
}

.fbps-turn-next .fbps-stage::after {
    animation: fbps-page-turn-next 580ms ease-in-out;
    right: 12px;
    transform-origin: left center;
}

.fbps-turn-prev .fbps-stage::after {
    animation: fbps-page-turn-prev 580ms ease-in-out;
    left: 12px;
    transform-origin: right center;
}

.fbps-turn-next .fbps-right-page,
.fbps-turn-prev .fbps-left-page {
    filter: brightness(0.96);
}

@keyframes fbps-page-turn-next {
    0% {
        opacity: 0;
        transform: rotateY(0deg) translateZ(3px);
    }
    18% {
        opacity: 1;
    }
    52% {
        box-shadow: -26px 0 38px rgba(0, 0, 0, 0.22);
        opacity: 1;
        transform: rotateY(-88deg) translateZ(8px);
    }
    100% {
        opacity: 0;
        transform: rotateY(-176deg) translateZ(3px);
    }
}

@keyframes fbps-page-turn-prev {
    0% {
        opacity: 0;
        transform: rotateY(0deg) translateZ(3px);
    }
    18% {
        opacity: 1;
    }
    52% {
        box-shadow: 26px 0 38px rgba(0, 0, 0, 0.22);
        opacity: 1;
        transform: rotateY(88deg) translateZ(8px);
    }
    100% {
        opacity: 0;
        transform: rotateY(176deg) translateZ(3px);
    }
}

.fbps-blank-page {
    opacity: 0;
}

.fbps-empty {
    border-left: 4px solid #d63638;
    padding: 8px 12px;
}

@media (max-width: 719px) {
    .fbps-stage {
        gap: 0;
        padding: 10px;
    }

    .fbps-page {
        max-width: 100%;
    }

    .fbps-stage::after {
        left: 10px;
        right: 10px;
        width: auto;
    }

    .fbps-right-page {
        display: none;
    }

    .fbps-toolbar {
        flex-wrap: wrap;
    }
}