.menu-reader-content {
    --reader-red: #e52241;
    --reader-red-dark: #bf102d;
    --reader-cream: #feefdb;
    --reader-paper: #fffaf3;
    --reader-transition: 180ms ease;
    width: 100%;
    height: 100%;
    min-height: 0;
    color: #0d0908;
    font-family: var(--font-family-base);
}

.menu-reader-content *,
.menu-reader-content *::before,
.menu-reader-content *::after {
    box-sizing: border-box;
}

.menu-reader-content button {
    color: inherit;
    font: inherit;
    -webkit-tap-highlight-color: transparent;
}

.menu-reader-content .reader-stage {
    position: relative;
    display: grid;
    width: 100%;
    height: 100%;
    padding: 10px clamp(8px, 1.2vw, 18px);
    align-items: center;
    gap: clamp(8px, 1.4vw, 20px);
    grid-template-columns: 54px minmax(0, 1fr) 54px;
}

.menu-reader-content .book-viewport {
    display: grid;
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 0;
    padding: 8px;
    place-items: center;
    overflow: hidden;
    border: 1px solid rgba(229, 34, 65, 0.2);
    border-radius: 20px;
    background:
        linear-gradient(rgba(254, 239, 219, 0.93), rgba(254, 239, 219, 0.93)),
        url("../img/hero/patron-japones-optimizado.webp");
    background-position: center;
    background-repeat: repeat;
    background-size: auto, 460px auto;
}

.menu-reader-content .book-viewport.is-zoomed {
    display: block;
    overflow: auto;
    scrollbar-color: rgba(229, 34, 65, 0.62) transparent;
    scrollbar-width: thin;
}

.menu-reader-content .book-viewport.is-zoomed .menu-book {
    margin: 0 auto;
}

.menu-reader-content .menu-book {
    position: relative;
    display: flex;
    margin: auto;
    perspective: 2600px;
    filter: drop-shadow(0 22px 26px rgba(92, 49, 24, 0.25));
    touch-action: pan-y;
    transition: width var(--reader-transition), height var(--reader-transition);
}

.menu-reader-content .menu-book::after {
    position: absolute;
    z-index: 10;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.38) 8%, rgba(255, 255, 255, 0.18) 50%, rgba(0, 0, 0, 0.38) 92%, transparent);
    box-shadow: 0 0 16px rgba(0, 0, 0, 0.32);
    content: "";
    opacity: 1;
    pointer-events: none;
    transform: translateX(-50%);
}

.menu-reader-content .menu-book.is-single::after {
    opacity: 0;
}

.menu-reader-content .book-page {
    position: relative;
    width: 50%;
    height: 100%;
    flex: 0 0 50%;
    overflow: hidden;
    background-color: var(--reader-paper);
    backface-visibility: hidden;
}

.menu-reader-content .menu-book.is-single .book-page {
    width: 100%;
    flex-basis: 100%;
}

.menu-reader-content .book-page-left {
    border-radius: 10px 0 0 10px;
    transform-origin: right center;
}

.menu-reader-content .book-page-right {
    border-radius: 0 10px 10px 0;
    transform-origin: left center;
}

.menu-reader-content .menu-book.is-single .book-page:not(.is-empty) {
    border-radius: 10px;
}

.menu-reader-content .book-page.is-empty {
    display: none;
}

.menu-reader-content .book-page img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    user-select: none;
    -webkit-user-drag: none;
}

.menu-reader-content .book-page-left:not(.is-empty)::after,
.menu-reader-content .book-page-right:not(.is-empty)::after {
    position: absolute;
    z-index: 2;
    top: 0;
    bottom: 0;
    width: 6%;
    content: "";
    pointer-events: none;
}

.menu-reader-content .book-page-left:not(.is-empty)::after {
    right: 0;
    background: linear-gradient(to left, rgba(0, 0, 0, 0.16), transparent);
}

.menu-reader-content .book-page-right:not(.is-empty)::after {
    left: 0;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.14), transparent);
}

.menu-reader-content .menu-book.is-single .book-page::after {
    display: none;
}

.menu-reader-content .menu-book.is-edge-switch {
    transition: none;
}

.menu-reader-content .menu-book.is-edge-leaving {
    animation: menu-edge-fade-out 140ms ease-in both;
    pointer-events: none;
}

.menu-reader-content .menu-book.is-edge-entering {
    animation: menu-edge-open 240ms ease-out both;
    pointer-events: none;
}

.menu-reader-content .menu-book.is-turning-forward .is-turn-page {
    z-index: 12;
    animation: menu-turn-forward 440ms cubic-bezier(0.55, 0.02, 0.4, 0.98) both;
}

.menu-reader-content .menu-book.is-turning-backward .is-turn-page {
    z-index: 12;
    animation: menu-turn-backward 440ms cubic-bezier(0.55, 0.02, 0.4, 0.98) both;
}

.menu-reader-content .page-arrow {
    display: inline-flex;
    width: 50px;
    height: 50px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--reader-red);
    border-radius: 50%;
    background-color: var(--reader-red);
    color: var(--reader-cream);
    cursor: pointer;
    font-size: 1.25rem;
    transition: background-color var(--reader-transition), transform var(--reader-transition);
}

.menu-reader-content .page-arrow:hover:not(:disabled) {
    background-color: var(--reader-red-dark);
    transform: scale(1.06);
}

.menu-reader-content .page-arrow:disabled {
    cursor: not-allowed;
    opacity: 0.25;
}

.menu-reader-content .page-arrow:focus-visible,
.menu-reader-content .menu-book:focus-visible {
    outline: 3px solid rgba(229, 34, 65, 0.42);
    outline-offset: 4px;
}

@keyframes menu-edge-fade-out {
    from { opacity: 1; }
    to { opacity: 0; }
}

@keyframes menu-edge-open {
    from {
        opacity: 0;
        clip-path: inset(0 12%);
    }
    to {
        opacity: 1;
        clip-path: inset(0);
    }
}

@keyframes menu-turn-forward {
    0% {
        opacity: 1;
        transform: rotateY(0deg);
    }
    70% { opacity: 0.95; }
    100% {
        opacity: 0;
        transform: rotateY(-178deg);
    }
}

@keyframes menu-turn-backward {
    0% {
        opacity: 1;
        transform: rotateY(0deg);
    }
    70% { opacity: 0.95; }
    100% {
        opacity: 0;
        transform: rotateY(178deg);
    }
}

@media (max-width: 760px) {
    .menu-reader-content .reader-stage {
        display: block;
        padding: 4px;
    }

    .menu-reader-content .book-viewport {
        padding: 4px;
        border-radius: 14px;
    }

    .menu-reader-content .page-arrow {
        position: absolute;
        z-index: 30;
        top: 50%;
        width: 44px;
        height: 44px;
        border-color: rgba(254, 239, 219, 0.88);
        background-color: rgba(229, 34, 65, 0.9);
        transform: translateY(-50%);
        backdrop-filter: blur(8px);
    }

    .menu-reader-content .page-arrow:hover:not(:disabled) {
        transform: translateY(-50%) scale(1.04);
    }

    .menu-reader-content .page-arrow-previous {
        left: 10px;
    }

    .menu-reader-content .page-arrow-next {
        right: 10px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .menu-reader-content *,
    .menu-reader-content *::before,
    .menu-reader-content *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}