/**
 * Frontend Flipbook Presentation Style - Snaps & Crispy Plugin.
 * Designed with a premium Dark Glassmorphism interface.
 * Forces fixed windowed fullscreen covering the entire viewport on all devices.
 */

.snaps-crispy-flipbook-wrapper {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    /* Use dynamic viewport height if supported */
    height: 100dvh !important;
    z-index: 2147483647 !important; /* Max z-index to stay on top of WordPress elements like admin bar */
    background: radial-gradient(circle at center, #2c302e 0%, #121312 100%) !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 3vh 2vw !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    user-select: none;
    -webkit-user-select: none;
}

/* Container defining the 3D space perspective */
.snaps-crispy-container {
    width: 100%;
    max-width: 900px;
    height: 72vh; 
    height: 72dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1800px; /* 3D Depth effect */
    position: relative;
    margin: auto 0;
}

/* The Book itself */
.snaps-crispy-flipbook {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Centering Cover Page (Page 1) on Desktop */
.snaps-crispy-flipbook.desktop-mode.book-closed-cover {
    transform: translateX(-25%);
}

/* Centering Back Cover Page on Desktop */
.snaps-crispy-flipbook.desktop-mode.book-closed-back {
    transform: translateX(25%);
}

/* Individual Pages */
.snaps-page {
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    background-color: #000; /* Dark premium background */
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    overflow: hidden;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Desktop Mode side alignments */
/* Even pages sit on left stack, turn pivots around right edge */
.snaps-crispy-flipbook.desktop-mode .page-left {
    left: 0;
    transform-origin: right center;
    border-radius: 8px 0 0 8px;
}

/* Odd pages sit on right stack, turn pivots around left edge */
.snaps-crispy-flipbook.desktop-mode .page-right {
    left: 50%;
    transform-origin: left center;
    border-radius: 0 8px 8px 0;
}

/* Page Rotations when flipped */
/* Right pages (Odd) flip left to -180 degrees */
.snaps-crispy-flipbook.desktop-mode .page-right.flipped {
    transform: rotateY(-180deg);
}

/* Left pages (Even) flip right to 180 degrees when unopened */
.snaps-crispy-flipbook.desktop-mode .page-left.flipped {
    transform: rotateY(180deg);
}

/* Normal visible pages are at 0 degrees */
.snaps-crispy-flipbook.desktop-mode .page-right:not(.flipped),
.snaps-crispy-flipbook.desktop-mode .page-left:not(.flipped) {
    transform: rotateY(0deg);
}

/* Middle Crease spine shadows */
.snaps-page::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 40px;
    pointer-events: none;
    z-index: 10;
    transition: opacity 0.5s ease;
}

/* Left pages shadow on the right side */
.snaps-crispy-flipbook.desktop-mode .page-left::after {
    right: 0;
    background: linear-gradient(to right, rgba(0,0,0,0) 0%, rgba(0,0,0,0.3) 100%);
}

/* Right pages shadow on the left side */
.snaps-crispy-flipbook.desktop-mode .page-right::after {
    left: 0;
    background: linear-gradient(to left, rgba(0,0,0,0) 0%, rgba(0,0,0,0.3) 100%);
}

/* Page inner content */
.page-content {
    width: 100%;
    height: 100%;
    position: relative;
    background: #000;
}

/* Images inside pages */
.snaps-page img {
    width: 100%;
    height: 100%;
    object-fit: contain; /* Fully show images without cropping */
    display: block;
    background: #000;
}

/* Page Number marker */
.snaps-page .page-num {
    position: absolute;
    bottom: 12px;
    font-size: 11px;
    color: #8c8f94;
    font-weight: 500;
    z-index: 15;
}

.snaps-page.page-left .page-num {
    left: 15px;
}

.snaps-page.page-right .page-num {
    right: 15px;
}

/* Mobile Mode (3D single page flipbook) */
.snaps-crispy-flipbook.mobile-mode {
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1500px;
}

.snaps-crispy-flipbook.mobile-mode .snaps-page {
    width: 100% !important;
    left: 0 !important;
    border-radius: 8px;
    transform-origin: left center !important;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1) !important;
    opacity: 1 !important; /* Kept fully visible during rotation */
    pointer-events: auto !important;
}

/* Unopened/Active Mobile Pages */
.snaps-crispy-flipbook.mobile-mode .snaps-page:not(.flipped-page) {
    transform: rotateY(0deg) !important;
}

/* Flipped Mobile Pages (swung to the left stack, disappearing due to backface-visibility) */
.snaps-crispy-flipbook.mobile-mode .snaps-page.flipped-page {
    transform: rotateY(-180deg) !important;
}

/* Zoomed-in mode styling */
.snaps-crispy-flipbook.zoomed-in {
    transform: scale(1.5);
    z-index: 100;
}

.snaps-crispy-flipbook.zoomed-in .snaps-page img {
    object-fit: contain;
}

/* Controls Bar (Glassmorphism design) */
.snaps-crispy-controls {
    display: flex;
    align-items: center;
    justify(content: center);
    justify-content: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 10px 24px;
    border-radius: 50px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
    z-index: 150;
    margin-bottom: 2vh;
}

/* Control Buttons */
.snaps-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.85);
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 30px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.snaps-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    transform: translateY(-1px);
}

.snaps-btn:active:not(:disabled) {
    transform: translateY(1px);
}

.snaps-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.snaps-btn svg {
    stroke: currentColor;
}

/* Special styling for icon-only button */
#snaps-zoom-btn {
    padding: 8px;
    border-radius: 50%;
    width: 38px;
    height: 38px;
}

.snaps-btn.active {
    background: #ff7a00;
    color: #fff;
}

/* Page Indicator */
.snaps-page-indicator {
    font-size: 14px;
    font-weight: 600;
    padding: 0 10px;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.5px;
    min-width: 70px;
    text-align: center;
}

/* Empty Menu notice */
.snaps-crispy-no-menu {
    background: #fbf0f0;
    border: 1px solid #f5c2c2;
    color: #b32d2e;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .snaps-crispy-container {
        height: 65vh;
        height: 65dvh;
        max-width: 800px;
    }
}

@media (max-width: 768px) {
    .snaps-crispy-flipbook-wrapper {
        padding: 0 !important; /* Zero padding to go edge-to-edge on mobile */
    }

    .snaps-crispy-container {
        height: 80vh;
        height: 80dvh;
        max-width: 100% !important;
        width: 100% !important;
        padding: 15px 15px 0 15px; /* Minimal padding for spacing, none on bottom */
        box-sizing: border-box;
        margin: 0;
    }

    .snaps-btn span {
        display: none; /* Hide button text on mobile, keep icons */
    }

    .snaps-crispy-controls {
        gap: 8px;
        padding: 6px 16px;
        margin-bottom: 4dvh; /* Spacing from screen bottom */
    }
}