/* 1. Responsive Container Dimensions */
.wp-block-cover.sync-video-text {
    aspect-ratio: 3 / 4; /* Mobile portrait fallback */
    min-height: unset !important;
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .wp-block-cover.sync-video-text { aspect-ratio: 32 / 9; } /* Perfect match for 1280x360 ultra-wide videos */
}

/* 2. Visual Hiding of Original Content */
.wp-block-cover.is-syncing-text .sr-only-original {
    position: absolute;
    width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* 3. Interactive Wrapper Structure */
.interactive-overlay-wrapper {
    position: absolute;
    inset: 0;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

/* --- THE CHAPTER MENU --- */
.chapter-menu {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 90%;
    max-width: 600px;
    max-height: 90%;
    overflow-y: auto;
    opacity: 0;
    pointer-events: none;
    
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    
    transition: opacity 0.6s ease, transform 0.6s ease;
    padding: 30px 10px 30px 0;
    
    -webkit-mask-image: linear-gradient(to bottom, transparent 0px, black 30px, black calc(100% - 30px), transparent 100%);
    mask-image: linear-gradient(to bottom, transparent 0px, black 30px, black calc(100% - 30px), transparent 100%);
    
    scrollbar-width: thin;
    scrollbar-color: var(--wp--preset--color--primary, #48e5c2) rgba(8, 36, 39, 0.4);
}

.chapter-menu::-webkit-scrollbar { width: 6px; }
.chapter-menu::-webkit-scrollbar-track { background: rgba(8, 36, 39, 0.4); border-radius: 4px; }
.chapter-menu::-webkit-scrollbar-thumb { background: var(--wp--preset--color--primary, #48e5c2); border-radius: 4px; }

.chapter-menu.is-active {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%);
}

/* Animated Interaction Prompt */
.menu-interaction-prompt {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--wp--preset--color--primary, #48e5c2);
    font-family: var(--wp--preset--font-family--body, inherit);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    opacity: 0.85;
    animation: subtleFloat 3s ease-in-out infinite;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--wp--preset--color--primary, #48e5c2);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(72, 229, 194, 0.7);
    animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(72, 229, 194, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(72, 229, 194, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(72, 229, 194, 0); }
}

@keyframes subtleFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.chapter-btn {
    background: rgba(8, 36, 39, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 8px;
    padding: 1.25rem 1.5rem;
    color: var(--wp--preset--color--contrast, #ffffff);
    text-align: left;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    position: relative;
    z-index: 10;
}

.chapter-btn:hover {
    background: rgba(8, 36, 39, 0.8);
    border-color: var(--wp--preset--color--primary, #48e5c2);
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.chapter-num {
    font-family: var(--wp--preset--font-family--body, inherit);
    color: var(--wp--preset--color--primary, #48e5c2);
    font-size: var(--wp--preset--font-size--small, 0.875rem);
    font-weight: 700;
    letter-spacing: 2px;
}

.chapter-title {
    font-family: var(--wp--preset--font-family--body, inherit);
    font-size: var(--wp--preset--font-size--large, 1.5rem);
    font-weight: 600;
    line-height: 1.2;
}

/* --- THE FULL-TEXT PLAYBACK UI --- */
.playback-ui {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 95%;
    max-height: 95%; 
    box-sizing: border-box; 
    
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start; 
    
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
    padding: 1rem 0;
}

.playback-ui.is-active {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%); 
}

/* The Scrollable Text Container */
.chapter-scroll-container {
    width: 90%;
    max-width: 800px;
    flex: 1 1 auto; 
    min-height: 0; 
    overflow-y: auto;
    margin-top: auto; 
    
    /* CRITICAL FIX: Ensures padding doesn't inflate width on mobile */
    box-sizing: border-box; 
    padding: 40px 20px; /* Safe mobile padding (20px left/right) */
    
    -webkit-mask-image: linear-gradient(to bottom, transparent 0px, black 40px, black calc(100% - 40px), transparent 100%);
    mask-image: linear-gradient(to bottom, transparent 0px, black 40px, black calc(100% - 40px), transparent 100%);
    
    scrollbar-width: thin;
    scrollbar-color: var(--wp--preset--color--primary, #48e5c2) transparent;
}

.chapter-scroll-container::-webkit-scrollbar { width: 6px; }
.chapter-scroll-container::-webkit-scrollbar-track { background: transparent; }
.chapter-scroll-container::-webkit-scrollbar-thumb { background: var(--wp--preset--color--primary, #48e5c2); border-radius: 4px; }

/* The Paragraph Text Rendering */
.chapter-paragraph, .chapter-list-item {
    font-family: var(--wp--preset--font-family--body, inherit);
    font-size: var(--wp--preset--font-size--medium, 1.125rem);
    color: var(--wp--preset--color--contrast, #ffffff);
    line-height: 1.6;
    margin-top: 0;
    margin-bottom: 1.5rem;
    text-align: left;
    text-shadow: 0 4px 16px var(--wp--preset--color--base, rgba(8, 36, 39, 0.95)), 
                 0 2px 4px rgba(0,0,0,0.8);
}

.chapter-list-item {
    margin-left: 1.5rem;
    list-style-type: disc;
}

.chapter-paragraph:last-child, .chapter-list-item:last-child { 
    margin-bottom: 1.5rem; 
}

@media (min-width: 768px) {
    .chapter-scroll-container { padding: 40px 3rem; } /* Luxurious padding on desktop */
    .chapter-paragraph, .chapter-list-item { font-size: var(--wp--preset--font-size--large, 1.5rem); }
}

/* --- STANDARD CYAN-TO-WHITE WORD ANIMATION --- */
.reveal-word {
    display: inline-block;
    opacity: 0;
    transform: translateY(10px);
    filter: blur(4px);
    animation: cinematicWordReveal 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    animation-delay: calc(var(--word-index) * 0.12s); 
    will-change: opacity, transform, filter, color;
}

@keyframes cinematicWordReveal {
    0% { opacity: 0; transform: translateY(15px); filter: blur(8px); color: var(--wp--preset--color--primary, #48e5c2); }
    15% { opacity: 1; transform: translateY(0); filter: blur(0px); color: var(--wp--preset--color--primary, #48e5c2); }
    100% { opacity: 1; transform: translateY(0); filter: blur(0px); color: inherit; } /* Uses inherit so Gutenberg buttons keep custom colors */
}

/* --- GLOWING GOLD BOLD EFFECT --- */
strong .reveal-word, b .reveal-word {
    font-weight: 800;
    animation: cinematicBoldWordReveal 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    animation-delay: calc(var(--word-index) * 0.12s); 
}

@keyframes cinematicBoldWordReveal {
    0% { 
        opacity: 0; 
        transform: translateY(15px); 
        filter: blur(8px); 
        color: #ffd700; /* Start Gold */
    }
    15% { 
        opacity: 1; 
        transform: translateY(-2px) scale(1.05); /* Slight pop out */
        filter: blur(0px); 
        color: #ffd700; 
        text-shadow: 0 0 20px #ffd700; /* Intense glow */
    }
    100% { 
        opacity: 1; 
        transform: translateY(0) scale(1); 
        filter: blur(0px); 
        color: #ffec8b; /* Soft yellow/gold resting state */
        text-shadow: 0 0 10px rgba(255, 236, 139, 0.5); /* Soft resting glow */
    }
}

/* --- DYNAMIC NEXT CHAPTER BUTTON --- */
.next-chapter-btn {
    display: block;
    margin: 2rem auto 2rem auto; 
    background: rgba(72, 229, 194, 0.1); 
    border: 1px solid var(--wp--preset--color--primary, #48e5c2);
    color: var(--wp--preset--color--primary, #48e5c2);
    font-family: var(--wp--preset--font-family--body, inherit);
    font-size: var(--wp--preset--font-size--medium, 1.125rem);
    padding: 1rem 2rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    
    opacity: 0;
    transform: translateY(15px);
    animation: fadeInNextBtn 0.8s ease forwards;
}

.next-chapter-btn:hover {
    background: var(--wp--preset--color--primary, #48e5c2);
    color: var(--wp--preset--color--base, #082427);
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(72, 229, 194, 0.4);
}

@keyframes fadeInNextBtn { to { opacity: 1; transform: translateY(0); } }

/* --- FAST-FORWARD OVERRIDES --- */
.playback-ui.fast-forward .reveal-word {
    animation-delay: 0s !important;
    animation-duration: 0.4s !important;
}

.playback-ui.fast-forward .next-chapter-btn {
    animation-delay: 0s !important;
    animation-duration: 0.4s !important;
}

/* Back Button Controls */
.back-to-menu-btn {
    background: transparent;
    border: none;
    color: var(--wp--preset--color--contrast, #ffffff);
    font-family: var(--wp--preset--font-family--body, inherit);
    font-size: var(--wp--preset--font-size--medium, 1rem);
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    opacity: 0.6;
    transition: all 0.3s ease;
    padding: 10px 20px;
    position: relative;
    z-index: 10;
    margin-top: 1rem;
    margin-bottom: auto; 
    flex-shrink: 0;
}

.back-to-menu-btn:hover {
    opacity: 1;
    color: var(--wp--preset--color--primary, #48e5c2);
    transform: translateY(-2px);
}

/* Fallback */
.wp-block-cover.video-sync-failed .interactive-overlay-wrapper { display: none !important; }
.wp-block-cover.video-sync-failed .sr-only-original {
    position: relative; width: auto; height: auto; clip: auto; overflow: visible; white-space: normal;
}