/* --- Manga Book Modal --- */
#manga-book-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9000; /* High but below cursor */
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

#manga-book-modal.active {
    opacity: 1;
    pointer-events: auto;
}

#manga-book-modal.hidden {
    display: none;
}

/* Layout Container (Sidebar + Book) */
.manga-layout-container {
    display: flex;
    width: 95vw;
    height: 85vh;
    gap: 2rem;
    align-items: center;
    justify-content: center;
}

/* Story Sidebar */
.story-sidebar {
    width: 300px;
    height: 100%;
    background: rgba(20, 10, 30, 0.8);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem;
    overflow-y: auto;
    color: #fff;
    font-family: 'Cormorant Garamond', serif;
    animation: slideInLeft 0.5s ease-out;
    display: none; /* Hidden by default */
}

.story-sidebar.visible {
    display: block;
}

.story-title {
    font-size: 2rem;
    color: #9A4DFF; /* Electric */
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #9A4DFF;
    padding-bottom: 0.5rem;
}

.story-text {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #d1d1d1;
}

.story-text p {
    margin-bottom: 1rem;
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Book Container */
.manga-book-container {
    flex: 1;
    max-width: 1000px; /* Limit width */
    height: 100%;
    position: relative;
    perspective: 1500px;
}

/* Pages */
.manga-page {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Mystic Dark Violet Gradient */
    background: linear-gradient(135deg, #1a0b2e 0%, #2d1b4e 100%);
    border: 1px solid #333;
    box-shadow: 0 5px 25px rgba(0,0,0,0.5);
    transform-origin: left center;
    transition: transform 0.8s cubic-bezier(0.645, 0.045, 0.355, 1);
    backface-visibility: hidden; /* Hide back when flipped */
    will-change: transform; /* Performance Optimization */
    overflow: hidden;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.manga-page.flipped {
    transform: rotateY(-180deg);
    pointer-events: none; /* Let clicks pass through flipped pages */
}

/* Panel Grid */
.manga-panel-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: 1.5fr 1fr; /* Hero gets more space */
    gap: 15px;
    height: 100%;
    width: 100%;
}

.manga-panel {
    /* Thin white frame */
    border: 1px solid rgba(255, 255, 255, 0.8);
    overflow: hidden;
    position: relative;
    background: #000;
    cursor: zoom-in; /* Indicate clickable */
}

/* Hero Panel (First item on page) */
.manga-panel.hero-panel {
    grid-column: span 2; /* Full width */
    grid-row: span 1;
}

.manga-panel img,
.manga-panel video {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Fill the box */
    transition: transform 0.5s ease;
}

.manga-panel:hover img,
.manga-panel:hover video {
    transform: scale(1.03);
}

/* --- Last Page Styling --- */
.manga-page.last-page {
    background: #f4f4f4; /* Keep light for contrast or change to dark? User asked for mystic dark */
    background: linear-gradient(135deg, #1a0b2e 0%, #000 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.last-page-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.last-page-logo {
    max-width: 200px;
    filter: drop-shadow(0 4px 6px rgba(255,255,255,0.1));
}

.taoist-quote {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-style: italic;
    color: #fff;
    max-width: 600px;
    line-height: 1.6;
}

.book-session-btn {
    padding: 1rem 2rem;
    background: #9A4DFF;
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    transition: transform 0.2s, background 0.2s;
}

.book-session-btn:hover {
    background: #7a3ccf;
    transform: translateY(-3px);
}

/* Navigation Controls */
.book-nav-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9100;
    display: flex;
    gap: 20px;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 10px 20px;
    cursor: pointer;
    font-weight: bold;
    border-radius: 30px;
    transition: all 0.3s;
    backdrop-filter: blur(5px);
}

.nav-btn:hover {
    background: #9A4DFF;
    border-color: #9A4DFF;
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    background: transparent;
    border-color: rgba(255,255,255,0.1);
}

#close-book-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.5);
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 9200;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

#close-book-btn:hover {
    background: #fff;
    color: #000;
}

/* --- Lightbox --- */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.98);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-content {
    max-width: 95vw;
    max-height: 95vh;
}

.lightbox-content img,
.lightbox-content video {
    max-width: 100%;
    max-height: 95vh;
    box-shadow: 0 0 50px rgba(154, 77, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

#close-lightbox-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    color: #fff;
    font-size: 3rem;
    cursor: pointer;
    z-index: 10001;
    line-height: 1;
}

/* --- Cursor Fix --- */
#cursor {
    z-index: 11000 !important; /* Ensure it's above everything */
}

/* --- Mobile Responsiveness --- */
@media (max-width: 768px) {
    .manga-layout-container {
        flex-direction: column;
        width: 100vw;
        height: 100vh;
        padding: 10px;
        gap: 10px;
    }

    .story-sidebar {
        display: none !important; /* Hide sidebar on mobile to save space */
    }

    .manga-book-container {
        width: 100%;
        height: 80vh; /* Adjust height for mobile */
        max-width: none;
    }

    .manga-page {
        padding: 10px;
    }

    .manga-panel-grid {
        gap: 5px;
    }

    .book-nav-controls {
        bottom: 10px;
        width: 100%;
        justify-content: center;
    }

    .nav-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }

    #close-book-btn {
        top: 10px;
        right: 10px;
        width: 30px;
        height: 30px;
        font-size: 1.2rem;
    }
    
    .lightbox-content img,
    .lightbox-content video {
        max-width: 98vw;
        max-height: 80vh;
    }
    
    #close-lightbox-btn {
        top: 10px;
        right: 10px;
        font-size: 2rem;
    }
}