/**
 * READER STYLES
 * Styles pour le lecteur de manga
 */

:root {
    --reader-bg: var(--color-bg-primary);
    --reader-text: var(--color-text-primary);
    --accent-color: var(--color-purple-primary, #a78bfa);
}

html,
body {
    overflow-x: hidden !important;
    max-width: 100% !important;
    width: 100% !important;
    position: relative;
    overscroll-behavior-x: none;
    touch-action: pan-y;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* Hide scrollbar for Chrome, Safari and Opera */
html::-webkit-scrollbar,
body::-webkit-scrollbar,
.reader-container::-webkit-scrollbar {
    display: none;
}

.reader-container,
.reader-container * {
    max-width: 100vw !important;
    box-sizing: border-box;
}

.reader-container {
    min-height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-lg);
    background: var(--color-bg-primary);
    position: relative;
    overflow-x: hidden !important;
    /* Block all horizontal container overflow */
}

/* Vertical Scroll Mode (En Continu) */
.reader-container.mode-vertical {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.reader-container.mode-vertical .reader-page {
    margin-bottom: var(--space-md);
    width: 100%;
    max-width: 800px; /* Standard reading width */
    height: auto;
    display: block;
    object-fit: contain;
    margin-left: auto;
    margin-right: auto;
    transition: margin 0.2s ease;
}

/* Gapless Override (Phase 3.4.5 UX Polish) */
.reader-container.gapless .reader-page {
    margin-bottom: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

/* Paged Mode (Horizontal) */
.reader-container.mode-paged {
    height: 100vh;
    padding: 0;
    justify-content: center;
    /* Center vertically */
    align-items: center;
    /* Center horizontally */
    overflow: hidden;
    background: #000;
}

.reader-container.mode-paged .reader-page {
    width: auto;
    height: auto;
    max-height: 100vh;
    max-width: 100%;
    object-fit: contain;
    display: none;
    /* Hidden by default, JS shows active */
    margin: auto;
}

.reader-container.mode-paged .reader-page.active {
    display: block;
}

.reader-container.mode-paged .chapter-nav,
.reader-container.mode-paged .reader-info,
.reader-container.mode-paged .reader-empty {
    display: none;
    /* Hide standard elements in paged mode */
}

/* --- UI ELEMENTS --- */

.reader-page {
    box-shadow: var(--shadow-lg);
    border-radius: 4px;
    /* Slight radius by default */
}

.reader-page.lazy {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.reader-page.loaded {
    opacity: 1;
}

/* Floating Controls Layer */
.reader-controls-layer {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1100;
}

.settings-btn {
    background: rgba(30, 30, 30, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.settings-btn:hover {
    background: var(--accent-color);
    color: white;
    transform: rotate(45deg);
}

/* Settings Menu */
.settings-menu {
    position: absolute;
    top: 60px;
    right: 0;
    width: 280px;
    background: rgba(25, 25, 35, 0.95);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    transform-origin: top right;
    animation: scaleIn 0.2s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.settings-menu.hidden {
    display: none;
}

.settings-menu h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 8px;
}

.setting-group {
    margin-bottom: 16px;
}

.setting-group label {
    display: block;
    font-size: 0.85rem;
    color: #aaa;
    margin-bottom: 8px;
}

.mode-toggles {
    display: flex;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    padding: 4px;
}

.mode-btn,
.dir-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: #888;
    padding: 6px 10px;
    font-size: 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.mode-btn.active,
.dir-btn.active {
    background: var(--accent-color);
    color: white;
    font-weight: 600;
    box-shadow: 0 0 10px rgba(167, 139, 250, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Action Buttons (Subtle) */
.action-btn {
    flex: 1;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #bbb !important;
    padding: 8px;
    font-size: 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    text-decoration: none;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
}

.action-btn:hover {
    border-color: var(--accent-color);
    color: white !important;
    background: rgba(255, 255, 255, 0.05);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: #ddd !important;
}

/* Click Zones */
/* Visible Prev/Next Buttons (Global) */
.click-zone {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    bottom: auto;
    width: 60px;
    height: 60px;
    z-index: 50;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(30, 30, 30, 0.6);
    border-radius: 50%;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.2s ease;
}

.click-zone svg {
    display: block;
    width: 32px;
    height: 32px;
}

.click-zone:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 0 15px rgba(167, 139, 250, 0.5);
}

.click-zone.left {
    left: 20px;
}

.click-zone.right {
    right: 20px;
}

.click-zone.hidden {
    display: none;
}

/* DESKTOP FIX: Visible Buttons instead of huge click zones */
@media (min-width: 769px) {
    .click-zone {
        top: 50%;
        transform: translateY(-50%);
        bottom: auto;
        width: 60px;
        height: 60px;
        background: rgba(30, 30, 30, 0.6);
        border-radius: 50%;
        backdrop-filter: blur(4px);
        border: 1px solid rgba(255, 255, 255, 0.1);
        transition: all 0.2s ease;
    }

    .click-zone.left {
        left: 20px;
    }

    .click-zone.right {
        right: 20px;
    }

    .click-zone:hover {
        background: var(--accent-color);
        color: white;
        transform: translateY(-50%) scale(1.1);
        box-shadow: 0 0 15px rgba(167, 139, 250, 0.5);
    }

    /* Show icons on Desktop */
    .click-zone svg {
        display: block;
        width: 32px;
        height: 32px;
    }
}

/* Scroll To Top Button (Mobile Optimized) */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--color-bg-primary, #1a202c);
    color: var(--color-purple-primary, #a78bfa);
    border: none;
    border-radius: 50%;

    /* Stronger shadow for visibility */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);

    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;

    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: all 0.3s ease;
}

.scroll-top-btn svg {
    stroke-width: 3px;
    width: 24px;
    height: 24px;
}

/* Media Query for Mobile */
@media (max-width: 768px) {
    .reader-container {
        padding: 0;
        /* Full width on mobile */
    }

    /* Force visible buttons on mobile Paged Mode */
    .click-zone {
        width: 48px !important;
        height: 48px !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        bottom: auto !important;
        opacity: 1 !important;
        z-index: 1000 !important;
        background: rgba(40, 40, 45, 0.9) !important;
        border: 1px solid rgba(255, 255, 255, 0.3) !important;
        display: flex;
        /* Removed !important to allow .hidden to work */
    }

    .click-zone svg {
        width: 28px !important;
        height: 28px !important;
        display: block !important;
    }

    .click-zone.left {
        left: 12px !important;
        right: auto !important;
    }

    .click-zone.right {
        right: 12px !important;
        left: auto !important;
    }

    /* Smaller scroll button on mobile */
    .scroll-top-btn {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }

    .scroll-top-btn svg {
        width: 20px;
        height: 20px;
    }

    .reader-controls-layer {
        top: auto;
        bottom: 120px;
        /* Moved up to verify change */
        right: 20px;
    }

    .settings-btn {
        width: 38px;
        height: 38px;
    }
}

/* Animations */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Hide scrollbar in Paged mode to prevent layout shift */
.mode-paged::-webkit-scrollbar {
    display: none;
}

/* Original styles below (kept for fallback compatibility) */
.reader-info {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.reader-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.reader-subtitle {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

.reader-empty {
    text-align: center;
    padding: var(--space-3xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.chapter-nav {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 800px;
    margin: 20px auto;
    padding: 0 20px;
}

.nav-btn {
    padding: 10px 20px;
    background: var(--color-purple-primary);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
}

.nav-btn.disabled {
    opacity: 0.5;
    pointer-events: none;
    background: gray;
}

/* Force Settings Menu Visible & Centered on Mobile */
@media (max-width: 768px) {
    .settings-menu {
        position: fixed;
        top: 50%;
        left: 50%;
        right: auto;
        transform: translate(-50%, -50%);
        width: 90%;
        max-width: 320px;
        background: rgba(25, 25, 35, 0.95);
        -webkit-backdrop-filter: blur(12px);
        backdrop-filter: blur(12px);
        border: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        z-index: 2000;
        border-radius: 12px;
        padding: 20px;
    }

    /* Ensure toggles are big enough */
    .mode-btn,
    .dir-btn {
        padding: 12px;
        font-size: 14px;
    }
}

/* --- READER END FUNNEL (Phase 3.4) --- */
.reader-end-funnel {
    width: 100%;
    max-width: 800px;
    margin: 60px auto;
    padding: 40px;
    background: var(--glass-panel-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--glass-shadow);
}

.next-chapter-hero {
    margin-bottom: 50px;
}

.next-label {
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: var(--accent-color);
    font-weight: 800;
    margin-bottom: 10px;
}

.next-title {
    font-size: 2.2rem;
    font-weight: 900;
    margin-bottom: 30px;
    color: var(--color-text-primary);
}

.btn-next-chapter {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 18px 40px;
    background: linear-gradient(135deg, #a78bfa 0%, #8b5cf6 100%);
    color: white;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.1rem;
    border-radius: 50px;
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.4);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-next-chapter:hover {
    transform: scale(1.05) translateY(-5px);
    box-shadow: 0 15px 35px rgba(139, 92, 246, 0.6);
}

.pulse {
    animation: btnPulse 2s infinite;
}

@keyframes btnPulse {
    0% { box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.7); }
    70% { box-shadow: 0 0 0 20px rgba(139, 92, 246, 0); }
    100% { box-shadow: 0 0 0 0 rgba(139, 92, 246, 0); }
}

/* Recommendations Grid */
.recommendations-section {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 40px;
}

.section-title {
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: var(--color-text-primary);
    text-align: center;
    font-weight: 700;
}

.rec-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    width: 100%;
    margin: 0 auto;
}

.rec-card {
    text-decoration: none;
    transition: transform 0.3s;
    min-width: 0; /* Prevents grid item overflow */
    width: 100%;
}

.rec-card:hover {
    transform: translateY(-8px);
}

.rec-cover {
    aspect-ratio: 2/3;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.rec-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.rec-title {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rec-meta {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* Sticky Next Nav */
.sticky-next-nav {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1050;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.sticky-next-nav.hidden {
    bottom: -100px;
    opacity: 0;
}

.sticky-content {
    background: rgba(30, 30, 40, 0.9);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(139, 92, 246, 0.3);
    padding: 6px 6px 6px 24px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    pointer-events: auto;
}

.sticky-info {
    font-weight: 800;
    font-size: 0.9rem;
    color: #fff;
    letter-spacing: 1px;
}

.btn-sticky-next {
    background: var(--accent-color);
    color: #fff;
    text-decoration: none;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.2s;
}

.btn-sticky-next:hover {
    transform: scale(1.05);
}

/* Mobile Adjustments for End Funnel */
@media (max-width: 768px) {
    .reader-end-funnel {
        padding: 30px 15px;
        margin: 40px 0 !important;
        border-radius: 15px;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden; /* Safety lock */
    }

    .next-title { font-size: 1.6rem; }

    .rec-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        width: 100%;
    }

    .btn-next-chapter {
        padding: 15px 25px;
        font-size: 1rem;
    }

    .sticky-next-nav {
        width: 90%;
        max-width: 450px;
    }
}

/* Bottom Nav improvements */
.bottom-nav {
    background: rgba(255, 255, 255, 0.02);
    padding: 20px;
    border-radius: 12px;
    align-items: center;
    max-width: 800px;
    margin: 20px auto;
}

.chapter-selector-container {
    flex-grow: 1;
    max-width: 200px;
    margin: 0 15px;
}

.chapter-dropdown {
    width: 100%;
    padding: 10px;
    background: rgba(30, 30, 35, 0.8);
    color: #fff !important;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    outline: none;
    cursor: pointer;
}

/* Option B: Responsive Navigation Labels (Phase 3.4.4 UX Polish) */
@media (max-width: 480px) {
    .nav-label {
        display: none !important;
    }
    
    .nav-btn {
        padding: 10px 12px;
        min-width: 44px;
        justify-content: center;
    }
    
    .bottom-nav {
        padding: 10px;
        gap: 8px;
    }
    
    .chapter-selector-container {
        flex-grow: 1;
        min-width: 80px;
        margin: 0 5px;
    }
}

/* Specific fix for ultra-small screens like iPhone SE (320px) */
@media (max-width: 360px) {
    .bottom-nav {
        padding: 5px;
        gap: 3px;
    }
    
    .nav-btn {
        padding: 10px 8px;
        min-width: 40px;
        font-size: 1.2rem; /* Icons only */
    }
    
    .chapter-selector-container {
        margin: 0;
        max-width: 140px;
    }
    
    .chapter-dropdown {
        padding: 8px 4px;
        font-size: 0.85rem;
    }
}