.dihkus-fb-container.dfb-mobile-mode {
    width: 100%;
}

.dihkus-fb-container.dfb-single-page {
    width: min(100%, var(--dfb-box-width, 800px));
}

.dihkus-fb-container.dfb-mobile-mode .dihkus-fb-book,
.dihkus-fb-container.dfb-single-page .dihkus-fb-book {
    width: 100% !important;
    height: auto !important;
    perspective: none;
    transform: none !important;
    overflow: hidden;
}

.dihkus-fb-container.dfb-mobile-mode .dihkus-fb-sheet,
.dihkus-fb-container.dfb-single-page .dihkus-fb-sheet {
    display: none;
}

.dihkus-fb-mobile-viewport {
    position: relative;
    width: 100%;
    aspect-ratio: var(--dfb-page-ratio, 3 / 4.2);
    overflow: hidden;
    border-radius: 18px;
    box-shadow: 0 18px 38px rgba(15, 23, 42, 0.14);
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.7) 40%, rgba(226, 232, 240, 0.6) 100%),
        linear-gradient(135deg, #ffffff 0%, #f8fafc 54%, #eef2f7 100%);
    perspective: 1800px;
}

.dihkus-fb-mobile-viewport::before {
    content: '';
    position: absolute;
    inset: 8px 10px 8px 18px;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(203, 213, 225, 0.45), rgba(203, 213, 225, 0.12));
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.45);
    z-index: 0;
    transform: translateX(10px) scale(0.985);
    opacity: 0.95;
}

.dihkus-fb-mobile-slide {
    position: absolute;
    inset: 0;
    padding-right: 14px;
    padding-bottom: 6px;
    box-sizing: border-box;
    opacity: 0;
    pointer-events: none;
    transform-origin: left center;
    transition: opacity 0.2s ease;
    contain: layout style;
    z-index: 1;
}

.dihkus-fb-mobile-page {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #ffffff 0%, #fbfdff 62%, #f2f6fb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 18px;
    box-shadow:
        0 18px 30px rgba(15, 23, 42, 0.12),
        12px 0 22px rgba(15, 23, 42, 0.08);
}

.dihkus-fb-mobile-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 14px;
    background: linear-gradient(90deg, rgba(15, 23, 42, 0.12), rgba(15, 23, 42, 0.03) 55%, transparent);
    opacity: 0.45;
    pointer-events: none;
    z-index: 2;
}

.dihkus-fb-mobile-page::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 18px;
    box-shadow: inset -1px 0 0 rgba(148, 163, 184, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.6);
    pointer-events: none;
    z-index: 2;
}

.dihkus-fb-mobile-page .dihkus-fb-page,
.dihkus-fb-mobile-page .dihkus-fb-page-front,
.dihkus-fb-mobile-page .dihkus-fb-page-back {
    display: block !important;
    position: static;
    width: 100%;
    height: 100%;
    transform: none !important;
    box-shadow: none;
}

.dihkus-fb-mobile-page .dihkus-fb-page::after,
.dihkus-fb-mobile-page .dihkus-fb-page-front::after,
.dihkus-fb-mobile-page .dihkus-fb-page-back::after {
    display: none;
}

.dihkus-fb-mobile-page img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.dihkus-fb-mobile-slide.is-active {
    opacity: 1;
    pointer-events: auto;
    z-index: 4;
    transform: rotateY(0deg);
}

.dihkus-fb-mobile-slide.is-before {
    opacity: 0;
    z-index: 1;
    transform: rotateY(-178deg);
}

.dihkus-fb-mobile-slide.is-after {
    opacity: 1;
    z-index: 2;
    transform: translateX(10px) scale(0.985);
}

.dihkus-fb-mobile-slide.is-after .dihkus-fb-mobile-page {
    box-shadow:
        0 10px 22px rgba(15, 23, 42, 0.08),
        10px 0 18px rgba(15, 23, 42, 0.05);
}

.dihkus-fb-mobile-slide.is-flipping-out-next {
    opacity: 1;
    z-index: 6;
    transform-origin: right center;
    transform-style: preserve-3d;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    animation: dfbMobileFlipOutPrev 0.42s ease forwards;
}

.dihkus-fb-mobile-slide.is-flipping-in-next {
    opacity: 1;
    z-index: 5;
    transform-origin: right center;
    transform-style: preserve-3d;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    animation: dfbMobileFlipInPrev 0.42s ease forwards;
}

.dihkus-fb-mobile-slide.is-flipping-out-prev {
    opacity: 1;
    z-index: 6;
    transform-origin: left center;
    transform-style: preserve-3d;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    animation: dfbMobileFlipOutNext 0.42s ease forwards;
}

.dihkus-fb-mobile-slide.is-flipping-in-prev {
    opacity: 1;
    z-index: 5;
    transform-origin: left center;
    transform-style: preserve-3d;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    animation: dfbMobileFlipInNext 0.42s ease forwards;
}

@keyframes dfbMobileFlipOutNext {
    0% {
        opacity: 1;
        transform: rotateY(0deg) translateX(0);
    }
    100% {
        opacity: 0.2;
        transform: rotateY(25deg) translateX(30%);
    }
}

@keyframes dfbMobileFlipInNext {
    0% {
        opacity: 0.2;
        transform: rotateY(-25deg) translateX(-30%);
    }
    100% {
        opacity: 1;
        transform: rotateY(0deg) translateX(0);
    }
}

@keyframes dfbMobileFlipOutPrev {
    0% {
        opacity: 1;
        transform: rotateY(0deg) translateX(0);
    }
    100% {
        opacity: 0.2;
        transform: rotateY(-25deg) translateX(-30%);
    }
}

@keyframes dfbMobileFlipInPrev {
    0% {
        opacity: 0.2;
        transform: rotateY(25deg) translateX(30%);
    }
    100% {
        opacity: 1;
        transform: rotateY(0deg) translateX(0);
    }
}

.dihkus-fb-container.dfb-mobile-mode .dihkus-fb-controls-nav,
.dihkus-fb-container.dfb-single-page .dihkus-fb-controls-nav {
    gap: 6px;
    padding: 4px 6px;
    border-radius: 18px;
}

.dihkus-fb-container.dfb-mobile-mode .dihkus-fb-btn,
.dihkus-fb-container.dfb-single-page .dihkus-fb-btn {
    min-width: 46px;
    min-height: 46px;
    padding: 10px 14px;
    border-radius: 14px;
}

.dihkus-fb-container.dfb-mobile-mode .dihkus-fb-page-num,
.dihkus-fb-container.dfb-single-page .dihkus-fb-page-num {
    min-width: 96px;
}

.dfb-mobile-mode .dihkus-fb-inline-lead,
.dfb-single-page .dihkus-fb-inline-lead {
    position: absolute;
    inset: 0;
    padding: 12px;
    align-items: center;
    justify-content: center;
    background:
        linear-gradient(180deg, rgba(248, 250, 252, 0.98), rgba(241, 245, 249, 0.96));
}

.dfb-mobile-mode .dihkus-fb-inline-lead-inner,
.dfb-single-page .dihkus-fb-inline-lead-inner {
    width: min(100%, 92vw);
    max-width: 100%;
    margin: 0 auto;
    padding: 16px !important;
    border-radius: 22px;
    border: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow:
        0 22px 44px rgba(15, 23, 42, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.96));
}

.dfb-mobile-mode .dihkus-fb-inline-lead-content,
.dfb-single-page .dihkus-fb-inline-lead-content {
    max-height: min(74vh, 620px);
    overflow-y: auto;
    padding-right: 4px;
}

.dfb-mobile-mode .dihkus-fb-inline-lead-close,
.dfb-single-page .dihkus-fb-inline-lead-close {
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    background: rgba(226, 232, 240, 0.9);
    box-shadow: 0 6px 14px rgba(15, 23, 42, 0.12);
}

.dihkus-fb-inline-lead.is-modal {
    padding: 16px;
    background: rgba(15, 23, 42, 0.6);
}

.dihkus-fb-inline-lead.is-modal .dihkus-fb-inline-lead-inner {
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 10px;
}

@media (max-width: 768px) {
    .dihkus-fb-wrapper {
        padding: 24px 12px;
    }

    .dihkus-fb-container.dfb-mobile-mode,
    .dihkus-fb-container.dfb-single-page {
        width: 100%;
    }

    .dihkus-fb-book {
        box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15);
    }

    .dihkus-fb-sheet {
        width: 100%;
        left: 0;
        transform-origin: center center;
    }

    .dihkus-fb-sheet.flipped {
        transform: rotateY(0deg) translateX(-100%);
        opacity: 0;
        visibility: hidden;
    }

    .dihkus-fb-page-back {
        display: none;
    }

    .dihkus-fb-sheet::after {
        display: none;
    }
}

@media (max-width: 375px) {
    .dihkus-fb-container.dfb-mobile-mode .dihkus-fb-controls,
    .dihkus-fb-container.dfb-single-page .dihkus-fb-controls {
        flex-wrap: wrap;
        gap: 8px;
        padding: 10px;
    }

    .dihkus-fb-container.dfb-mobile-mode .dihkus-fb-btn,
    .dihkus-fb-container.dfb-single-page .dihkus-fb-btn {
        min-width: 40px;
        min-height: 40px;
        padding: 8px 10px;
    }

    .dihkus-fb-container.dfb-mobile-mode .dihkus-fb-page-num,
    .dihkus-fb-container.dfb-single-page .dihkus-fb-page-num {
        min-width: 72px;
    }
}