/* ========================================
   CSS Variables & Theme
   ======================================== */
:root {
    /* Colors - "Evergreen" Theme Palette */
    --bg-primary: #344E41;
    /* Brunswick green */
    --bg-secondary: #3A5A40;
    /* Hunter green */
    --bg-surface: #3A5A40;
    /* Using Hunter green for surface */
    --bg-surface-hover: #588157;
    /* Fern green for hover states */
    --bg-card: #3A5A40;
    --bg-hover: #588157;
    --bg-glass: rgba(52, 78, 65, 0.9);
    --bg-sidebar: #344E41;

    /* Accent Colors */
    --accent-primary: #A3B18A;
    /* Sage */
    --accent-secondary: #DAD7CD;
    /* Timberwolf */
    --accent-gradient: linear-gradient(135deg, #A3B18A 0%, #DAD7CD 100%);
    --accent-glow: 0 0 20px rgba(163, 177, 138, 0.3);

    /* Text Colors */
    --text-primary: #DAD7CD;
    /* Timberwolf for primary text */
    --text-secondary: #A3B18A;
    /* Sage for secondary text */
    --text-muted: rgba(218, 215, 205, 0.6);

    /* Sidebar Width */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 70px;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;

    /* Transitions */
    --transition-fast: 0.1s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.35s ease;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 15px rgba(163, 177, 138, 0.15);
}

/* ========================================
   Reset & Base Styles
   ======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

.reader-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

#spread-toggle-btn .icon-single,
#spread-toggle-btn .icon-double {
    font-size: 1.2rem;
}

/* ========================================
   Custom Scrollbar
   ======================================== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-secondary);
    border-radius: 5px;
    border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* For Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--bg-secondary) var(--bg-primary);
}

/* Toast Notification */
.app-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 9999;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: none;
    opacity: 0;
}

.app-toast.visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Icon Styling */
.icon {
    width: 1.2em;
    height: 1.2em;
    stroke: currentColor;
    fill: none;
    display: inline-block;
    vertical-align: middle;
    transition: var(--transition-normal);
}

.nav-icon .icon {
    width: 1.5rem;
    height: 1.5rem;
}

.logo-icon .icon {
    width: 2rem;
    height: 2rem;
    stroke-width: 2.5;
}

.reader-header .icon {
    width: 1.4rem;
    height: 1.4rem;
    stroke-width: 2;
}


/* ========================================
   View Management & Layout
   ======================================== */
.layout {
    display: flex;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    z-index: 200;
    transition: width var(--transition-normal);
}

body.reader-mode .sidebar {
    display: none !important;
}


.view {
    display: none;
    flex: 1;
    height: 100vh;
    overflow: hidden;
    position: relative;
}

.view.active {
    display: flex;
    flex-direction: column;
}

.content-scroll {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding-bottom: var(--spacing-2xl);
    scroll-behavior: smooth;
}

/* Sidebar Components */
.sidebar-header {
    padding: var(--spacing-xl) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sidebar-header-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-header-btn:hover {
    color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.05);
    transform: scale(1.1);
}

.chapter-sidebar .sidebar-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    text-align: left;
    transition: var(--transition-normal);
    width: 100%;
}

.nav-item:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(163, 177, 138, 0.15);
    color: var(--accent-primary);
    border-left: 3px solid var(--accent-primary);
}

.nav-icon {
    font-size: 1.25rem;
    min-width: 24px;
    display: flex;
    justify-content: center;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.library-stats-minimal {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.stat-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 2px 0;
}

.stat-icon {
    font-size: 1rem;
    width: 20px;
    display: flex;
    justify-content: center;
}


/* ========================================
   Library View - Header
   ======================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md) var(--spacing-xl);
}

.header-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    letter-spacing: -0.5px;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
}

.search-container {
    position: relative;
    flex: 0 0 400px;
    margin-right: auto;
}

.search-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-lg);
    padding-left: 2.5rem;
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-normal);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: var(--accent-glow);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    font-size: 0.9rem;
}

.search-shortcut {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    pointer-events: none;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ========================================
   Library View - Grid
   ======================================== */
.library-container {
    flex: 1;
    padding: var(--spacing-xl);
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

.section-header {
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.section-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.continue-reading-section {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.continue-reading-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

.library-stats {
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.manga-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-lg);
}

/* ========================================
   Manga Card
   ======================================== */
.manga-card {
    position: relative;
    aspect-ratio: 2/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    background: var(--bg-card);
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    transform: translateZ(0) translateY(20px);
    opacity: 0;
}

.manga-card.visible {
    opacity: 1;
    transform: translateZ(0) translateY(0);
}

.manga-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: var(--shadow-lg), var(--shadow-glow), 0 15px 30px rgba(0, 0, 0, 0.4);
    z-index: 5;
}

.manga-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top,
            rgba(26, 38, 32, 0.9) 0%,
            rgba(26, 38, 32, 0.2) 50%,
            transparent 100%);
    z-index: 1;
    transition: opacity 0.3s ease;
    opacity: 0.8;
}

.manga-card:hover::before {
    opacity: 1;
    background: linear-gradient(to top,
            rgba(58, 90, 64, 0.95) 0%,
            rgba(58, 90, 64, 0.3) 60%,
            transparent 100%);
}

.manga-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.manga-card:hover .manga-cover {
    transform: scale(1.1);
}

.manga-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    z-index: 2;
}

.manga-name {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.manga-folder {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.manga-pages {
    font-size: 0.8rem;
    color: var(--accent-secondary);
    font-weight: 500;
}

.manga-progress-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--bg-primary);
    color: var(--accent-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 2;
    border: 1px solid rgba(163, 177, 138, 0.2);
}

.manga-status-completed {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: #28a745;
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 2;
    box-shadow: 0 0 10px rgba(40, 167, 69, 0.4);
}

.manga-progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    z-index: 3;
}

.manga-progress-fill {
    height: 100%;
    background: var(--accent-gradient);
}

/* Favorite Button */
.manga-favorite-btn {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-fast);
    opacity: 0.6;
}

.manga-card:hover .manga-favorite-btn {
    opacity: 1;
}

.manga-favorite-btn:hover {
    transform: scale(1.1);
    background: var(--bg-hover);
    color: var(--accent-primary);
}

.manga-favorite-btn.active {
    color: #ffca28;
    opacity: 1;
    background: rgba(0, 0, 0, 0.4);
    text-shadow: 0 0 10px rgba(255, 202, 40, 0.5);
}

.manga-status-completed {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--bg-primary);
    color: var(--accent-primary);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    z-index: 2;
    border: 1.5px solid var(--accent-primary);
}

/* ========================================
   Loading & Empty States
   ======================================== */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--bg-hover);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-state h2 {
    margin-bottom: var(--spacing-sm);
}

.hidden {
    display: none !important;
}

/* ========================================
   Reader View - Header
   ======================================== */
.reader-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    background: var(--bg-glass);
    backdrop-filter: blur(25px) saturate(180%);
    -webkit-backdrop-filter: blur(25px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 500;
    width: 100%;
    height: 70px;
    flex-shrink: 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.header-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.4rem;
    transition: all var(--transition-normal);
}

.header-btn:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--accent-glow);
}

.reader-title {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0 var(--spacing-md);
}

.reader-title h2 {
    font-size: 1.1rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
    color: var(--accent-primary);
    letter-spacing: 0.5px;
}

.page-indicator {
    font-size: 0.85rem;
    color: var(--accent-secondary);
    font-weight: 500;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.page-indicator:hover {
    background: rgba(255, 255, 255, 0.1);
}

.page-input {
    width: 60px;
    background: var(--bg-secondary);
    border: 1px solid var(--accent-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 2px 6px;
    font-family: inherit;
    font-size: 0.85rem;
    text-align: center;
}

.page-input:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(78, 205, 196, 0.3);
}

/* ========================================
   Reader View - Container
   ======================================== */
.reader-container {
    flex: 1;
    display: flex;
    align-items: stretch;
    justify-content: center;
    background: #000;
    position: relative;
    overflow: hidden;
}

.page-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.manga-page {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    cursor: pointer;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    opacity: 0;
}

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

.page-percent {
    font-size: 0.75rem;
    opacity: 0.7;
    margin-left: var(--spacing-xs);
    font-weight: 400;
}

.page-remaining {
    font-size: 0.75rem;
    opacity: 0.5;
    margin-left: 2px;
    font-weight: 400;
}

#reader-view.rtl-mode .manga-pages-container {
    flex-direction: row-reverse;
}

#reader-view.spread-mode .manga-page {
    max-width: 50%;
}

/* Wide panels (landscape) take full width even in spread mode */
#reader-view.spread-mode.wide-panel-mode .manga-page {
    max-width: 100%;
}

.page-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-fast);
}

.page-loading.active {
    opacity: 1;
}

/* Navigation Buttons */
.nav-btn {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    border: none;
    background: transparent;
    color: white;
    font-size: 3rem;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 10;
}

.nav-btn:hover {
    opacity: 1;
    background: linear-gradient(to right,
            rgba(0, 0, 0, 0.5),
            transparent);
}

.nav-prev {
    left: 0;
}

.nav-next {
    right: 0;
}

.nav-next:hover {
    background: linear-gradient(to left,
            rgba(0, 0, 0, 0.5),
            transparent);
}

.nav-btn.next-manga-hint:hover,
.nav-btn.prev-manga-hint:hover {
    color: var(--accent-primary);
    background: linear-gradient(to left,
            rgba(163, 177, 138, 0.2),
            transparent);
}

.nav-btn.prev-manga-hint:hover {
    background: linear-gradient(to right,
            rgba(163, 177, 138, 0.2),
            transparent);
}

/* ========================================
   Reader View - Footer
   ======================================== */
.reader-footer {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--bg-glass);
    backdrop-filter: blur(25px) saturate(180%);
    -webkit-backdrop-filter: blur(25px) saturate(180%);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    width: 100%;
    flex-shrink: 0;
    box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.3);
}

.page-slider-container {
    max-width: 800px;
    margin: 0 auto;
}

.page-slider {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-secondary);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.page-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-gradient);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--accent-glow);
    transition: var(--transition-fast);
}

.page-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.page-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* ========================================
   Jump to Top & Search Highlight
   ======================================== */
.jump-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-gradient);
    color: var(--bg-primary);
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    z-index: 1000;
    transition: var(--transition-normal);
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    font-weight: 700;
}

.jump-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.jump-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(163, 177, 138, 0.4);
}

.highlight {
    background: rgba(163, 177, 138, 0.3);
    color: var(--accent-secondary);
    border-radius: 2px;
    padding: 0 2px;
    font-weight: 700;
}

/* ========================================
   Reader Settings & Brightness
   ======================================== */
.reader-settings-row {
    max-width: 800px;
    margin: var(--spacing-sm) auto 0;
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.theme-control {
    display: flex;
    align-items: center;
}

.brightness-control {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition-normal);
}

.brightness-control:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.15);
}

.brightness-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

#brightness-value {
    font-size: 0.8rem;
    color: var(--accent-secondary);
    font-weight: 600;
    min-width: 40px;
}

.brightness-slider {
    width: 150px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-primary);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.brightness-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
}

.brightness-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--accent-secondary);
}

#reader-view.vertical-mode .page-wrapper {
    overflow-y: auto;
    display: block;
}

#reader-view.vertical-mode .manga-pages-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) 0;
    max-height: none;
    height: auto;
}

#reader-view.vertical-mode .manga-page {
    max-width: 95%;
    max-height: none;
    height: auto;
    margin-bottom: var(--spacing-md);
    opacity: 1;
    /* Always visible in vertical mode, rely on browser lazy loading */
    box-shadow: var(--shadow-lg);
}

#reader-view.vertical-mode .nav-btn,
#reader-view.vertical-mode .page-loading,
#reader-view.vertical-mode .manga-pages-container::after {
    display: none !important;
}

#reader-view.vertical-mode .page-slider-container {
    opacity: 0.5;
    pointer-events: none;
}

#reader-view.vertical-mode #manga-page-2 {
    display: none !important;
}

/* Hide spread and direction buttons when in vertical mode */
#reader-view.vertical-mode #spread-toggle-btn,
#reader-view.vertical-mode #direction-toggle-btn {
    display: none;
}

.manga-pages-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    filter: brightness(100%);
    transition: all var(--transition-normal);
}

.btn-danger {
    background: linear-gradient(135deg, #ff4d4d 0%, #ff6b6b 100%);
    color: white;
    box-shadow: 0 0 15px rgba(255, 77, 77, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(255, 77, 77, 0.5);
}

.cache-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.cache-stat-item {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .header {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .search-container {
        max-width: 100%;
        width: 100%;
    }

    .library-container {
        padding: var(--spacing-md);
    }

    .manga-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: var(--spacing-md);
    }

    .nav-btn {
        width: 60px;
        font-size: 2rem;
        opacity: 0.5;
    }

    .manga-page {
        max-height: calc(100vh - 110px);
    }

    /* Reader adjustments */
    .reader-header {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .reader-title {
        display: none;
        /* Hide title on mobile to save space */
    }

    .reader-controls.left,
    .reader-controls.right {
        gap: var(--spacing-xs);
    }

    .header-btn span:not(.icon) {
        display: none;
        /* Hide labels on mobile */
    }

    .reader-footer {
        padding: var(--spacing-sm);
    }

    .reader-settings-row {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

    .brightness-control {
        width: 100%;
        justify-content: space-between;
    }

    .brightness-slider {
        flex: 1;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .manga-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .manga-card {
        border-radius: var(--radius-md);
    }

    .manga-name {
        font-size: 0.85rem;
    }
}

/* ========================================
   Fullscreen Mode
   ======================================== */
body.fullscreen-mode {
    overflow: hidden;
    /* Hide scrollbars */
}

body.cursor-hidden,
body.ui-hidden {
    cursor: none !important;
}

body.fullscreen-mode .reader-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
    z-index: 1000;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent);
    backdrop-filter: none;
    border-bottom: none;
}

body.fullscreen-mode .manga-pages-container {
    max-height: 100vh;
    width: 100vw;
    background: #000;
}

/* ========================================
   Spread Mode Visuals
   ======================================== */
/* Add book-fold shadow effect for spreads */
#reader-view.spread-mode .manga-page {
    position: relative;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    /* subtle outer shadow */
}

/* Left Page (in DOM order, which is visual Left in LTR) */
#reader-view.spread-mode:not(.rtl-mode) #manga-page-1 {
    mask-image: linear-gradient(to right, black 95%, rgba(0, 0, 0, 0.8) 100%);
    -webkit-mask-image: linear-gradient(to right, black 95%, rgba(0, 0, 0, 0.8) 100%);
}

#reader-view.spread-mode:not(.rtl-mode) #manga-page-2 {
    mask-image: linear-gradient(to left, black 95%, rgba(0, 0, 0, 0.8) 100%);
    -webkit-mask-image: linear-gradient(to left, black 95%, rgba(0, 0, 0, 0.8) 100%);
}

/* RTL Mode - With flex-direction: row-reverse, the visual positions swap:
   - #manga-page-1 appears on the RIGHT
   - #manga-page-2 appears on the LEFT
   So the mask gradients need to be reversed compared to LTR mode.
*/
#reader-view.spread-mode.rtl-mode #manga-page-1 {
    mask-image: linear-gradient(to left, black 95%, rgba(0, 0, 0, 0.8) 100%);
    -webkit-mask-image: linear-gradient(to left, black 95%, rgba(0, 0, 0, 0.8) 100%);
}

#reader-view.spread-mode.rtl-mode #manga-page-2 {
    mask-image: linear-gradient(to right, black 95%, rgba(0, 0, 0, 0.8) 100%);
    -webkit-mask-image: linear-gradient(to right, black 95%, rgba(0, 0, 0, 0.8) 100%);
}

#reader-view.spread-mode .manga-pages-container {
    gap: 0;
    /* Ensure they touch */
}

/* Center divider line */
#reader-view.spread-mode .manga-pages-container::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.3);
    pointer-events: none;
    z-index: 10;
}

/* Hide divider when showing a wide panel */
#reader-view.spread-mode.wide-panel-mode .manga-pages-container::after {
    display: none;
}

/* ========================================
   Reading Modes (Themes)
   ======================================== */
body.sepia-mode .reader-container,
body.sepia-mode .reader-header,
body.sepia-mode .reader-footer {
    background-color: #f4ecd8;
    color: #5b4636;
}

body.sepia-mode .reader-header,
body.sepia-mode .reader-footer {
    border-color: rgba(91, 70, 54, 0.1);
}

body.sepia-mode .header-btn {
    background: #e6dac3;
    color: #5b4636;
}

body.sepia-mode .header-btn:hover {
    background: #d9ccb1;
}

body.sepia-mode .reader-title h2 {
    color: #5b4636;
}

body.sepia-mode .page-indicator {
    color: #8b6e56;
}

body.sepia-mode .page-indicator:hover {
    background: rgba(91, 70, 54, 0.1);
}

body.sepia-mode .brightness-control,
body.sepia-mode .page-input {
    background: #e6dac3;
    color: #5b4636;
    border-color: rgba(91, 70, 54, 0.2);
}

body.sepia-mode .brightness-label {
    color: #8b6e56;
}

body.sepia-mode .manga-pages-container {
    filter: sepia(0.3) brightness(1) !important;
}

body.sepia-mode .nav-btn {
    color: #5b4636;
}

body.sepia-mode .page-slider {
    background: #e6dac3;
}

body.fullscreen-mode .reader-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
    z-index: 1000;
}

body.fullscreen-mode:hover .reader-header,
body.fullscreen-mode:hover .reader-footer {
    opacity: 0;
    /* logic handled by ui-visible class now */
}

body.fullscreen-mode.ui-visible .reader-header,
body.fullscreen-mode.ui-visible .reader-footer {
    opacity: 1;
    pointer-events: auto;
}

body.fullscreen-mode .manga-pages-container {
    max-height: 100vh;
}

body.fullscreen-mode .manga-page {
    max-height: 100vh;
}

/* ========================================
   Reader Chapter Sidebar
   ======================================== */
.chapter-sidebar {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 300px;
    background: var(--bg-glass);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.5);
    transition: transform var(--transition-normal);
    transform: translateX(0);
}

.chapter-sidebar.hidden {
    transform: translateX(100%);
    display: flex !important;
    /* Keep it flex but moved off-screen */
    pointer-events: none;
}

.reader-chapters-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.reader-chapter-item {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.reader-chapter-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 180, 216, 0.3);
}

.reader-chapter-item.active {
    background: rgba(0, 180, 216, 0.15);
    border-color: var(--accent-primary);
}

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

.reader-chapter-item .chapter-status {
    font-size: 0.75rem;
    color: var(--text-muted);
}

@media (max-width: 480px) {
    .chapter-sidebar {
        width: 80%;
    }
}


/* ========================================
   Modal
   ======================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

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

.modal-content {
    background: var(--bg-secondary);
    width: 90%;
    max-width: 500px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg), var(--shadow-glow), 0 0 50px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-header h2 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    transition: color var(--transition-fast);
}

.close-btn:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.shortcut-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.shortcut-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.shortcut-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.shortcut-keys {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

kbd {
    background: var(--bg-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    padding: 2px 6px;
    font-family: monospace;
    font-size: 0.85rem;
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.5);
    color: var(--accent-secondary);
}

.shortcut-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: right;
}

/* ========================================
   Sort Select
   ======================================== */
.sort-select {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    outline: none;
    transition: var(--transition-normal);
    min-width: 140px;
}

.sort-select:focus,
.sort-select:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--accent-glow);
}

.sort-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Random Button */
.random-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.random-btn:hover {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 15px rgba(78, 205, 196, 0.3);
    transform: scale(1.05) rotate(10deg);
}

.random-btn:active {
    transform: scale(0.95);
}



/* ========================================
   Series Detail View
   ======================================== */
#series-detail-view {
    background: var(--bg-primary);
}

.detail-background {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: blur(80px) brightness(0.3);
    opacity: 0.6;
    z-index: 0;
    pointer-events: none;
    transition: background-image 0.5s ease;
}

.detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-xl);
    z-index: 10;
    position: relative;
}

.detail-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-xl);
    position: relative;
    z-index: 10;
}

.detail-hero {
    display: flex;
    gap: var(--spacing-2xl);
    align-items: flex-start;
}

.detail-cover-wrapper {
    flex: 0 0 300px;
    aspect-ratio: 2/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.detail-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-md);
}

.detail-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
}

.detail-metadata {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 1.1rem;
}

.detail-progress-summary {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: var(--spacing-sm);
}

.progress-summary-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.95rem;
}

.progress-summary-label {
    color: var(--text-secondary);
}

.progress-summary-value {
    font-weight: 600;
    color: var(--accent-primary);
}

.progress-summary-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-top: var(--spacing-xs);
}

.progress-summary-fill {
    height: 100%;
    background: var(--accent-gradient);
    transition: width 0.5s ease;
}

.detail-separator {
    opacity: 0.3;
}

.detail-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition-normal);
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 180, 216, 0.5);
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: var(--bg-surface-hover);
    border-color: rgba(255, 255, 255, 0.2);
}

.detail-description {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 800px;
}

/* Chapters Section */
.chapters-section {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.section-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-md);
}

.section-header-row .section-title {
    margin-bottom: 0;
}

.chapter-search-container {
    flex: 0 1 300px;
}

.chapter-search-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-xl);
    background: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: var(--transition-normal);
}

.chapter-search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: var(--bg-surface-hover);
    box-shadow: var(--accent-glow);
}

.empty-state-small {
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
}

.chapters-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.chapter-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    border: 1px solid transparent;
}

.chapter-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(4px);
    border-color: rgba(0, 180, 216, 0.3);
}

.chapter-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.chapter-name {
    font-weight: 600;
    color: var(--text-primary);
}

.chapter-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.chapter-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.chapter-toggle-read {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.8rem;
    padding: 0;
}

.chapter-toggle-read:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: scale(1.1);
}

.chapter-toggle-read.active {
    background: rgba(40, 167, 69, 0.1);
    border-color: #28a745;
    color: #28a745;
}

.chapter-toggle-read.active:hover {
    background: rgba(40, 167, 69, 0.2);
}

.status-badge {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
}

.status-badge.read {
    background: rgba(40, 167, 69, 0.2);
    color: #28a745;
}

.status-badge.in-progress {
    background: rgba(0, 180, 216, 0.2);
    color: #00b4d8;
}

@media (max-width: 768px) {
    .detail-hero {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .detail-cover-wrapper {
        flex: 0 0 200px;
        width: 200px;
    }

    .detail-actions {
        justify-content: center;
    }

    #detail-folder {
        cursor: pointer;
        transition: var(--transition-fast);
    }

    #detail-folder:hover {
        color: var(--accent-primary);
        text-decoration: underline;
    }

    .detail-metadata {

        justify-content: center;
    }

    .detail-title {
        font-size: 2rem;
    }
}

/* ========================================
   Settings View
   ======================================== */
.settings-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-xl);
}

.settings-section {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.settings-section-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.settings-description {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-lg);
}

.path-list {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.path-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.path-text {
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--text-secondary);
    word-break: break-all;
}

.remove-path-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.2rem;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.remove-path-btn:hover {
    color: #ff4d4d;
    background: rgba(255, 77, 77, 0.1);
}

.add-path-container {
    display: flex;
    gap: var(--spacing-sm);
}

.path-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-family: inherit;
}

.path-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.settings-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.settings-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Custom Progress Badges */
.manga-badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 2;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.manga-progress-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(40, 167, 69, 0.85);
    color: white;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 2;
    backdrop-filter: blur(4px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.new-badge {
    position: absolute;
    top: 32px;
    right: var(--spacing-sm);
    background: var(--accent-gradient);
    color: white;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 800;
    z-index: 2;
    backdrop-filter: blur(4px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

.manga-card:hover .manga-progress-badge {
    background: rgba(40, 167, 69, 1);
}

/* ========================================
   Series Detail View Enhancements
   ======================================== */
.detail-genres {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.genre-tag {
    background: rgba(0, 180, 216, 0.15);
    color: var(--accent-primary);
    padding: 4px 12px;
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(0, 180, 216, 0.2);
    transition: var(--transition-fast);
}

.genre-tag:hover {
    background: rgba(0, 180, 216, 0.25);
    transform: translateY(-1px);
}

.detail-extra-info {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

.detail-extra-info strong {
    color: var(--text-primary);
    font-weight: 600;
}

.detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: var(--spacing-md);
}

.tag-chip {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.manga-mtime {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ========================================
   Additional Required Styles
   ======================================== */

/* Search Highlight */
.highlight {
    background: rgba(0, 180, 216, 0.3);
    color: var(--text-primary);
    padding: 1px 2px;
    border-radius: 2px;
}

/* Sepia Reading Mode */
body.sepia-mode .reader-container,
body.sepia-mode .page-wrapper {
    background-color: #f4ecd8;
}

body.sepia-mode .manga-page {
    filter: sepia(20%) brightness(95%);
}

/* UI Hidden State */
body.ui-hidden .reader-header,
body.ui-hidden .reader-footer {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

/* Vertical Reading Mode */
#reader-view.vertical-mode .page-wrapper {
    overflow-y: auto;
    overflow-x: hidden;
}

#reader-view.vertical-mode .manga-pages-container {
    flex-direction: column;
    align-items: center;
    height: auto;
}

#reader-view.vertical-mode .manga-page {
    max-width: 100%;
    max-height: none;
    width: 100%;
}

/* Reader Chapter Items */
.reader-chapter-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-fast);
}

.reader-chapter-item:hover {
    background: var(--bg-surface-hover);
}

.reader-chapter-item.active {
    background: rgba(0, 180, 216, 0.1);
    color: var(--accent-primary);
}

.reader-chapter-item .chapter-status {
    min-width: 28px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.reader-chapter-item .chapter-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Empty State Small */
.empty-state-small {
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Clickable Detail Folder */
#detail-folder {
    cursor: pointer;
    transition: color var(--transition-fast);
}

#detail-folder:hover {
    color: var(--accent-primary);
    text-decoration: underline;
}

/* Individual Chapter Read Toggle */
.chapter-toggle-read {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    padding: 4px 8px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    color: var(--text-muted);
}

.chapter-toggle-read:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-primary);
}

.chapter-toggle-read.active {
    color: #4caf50;
}

/* Brightness & Contrast Filter support */
.page-wrapper {
    transition: filter 0.3s ease;
    filter: brightness(100%) contrast(100%);
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.manga-page {
    transition: transform 0.3s cubic-bezier(0.165, 0.84, 0.44, 1), opacity 0.4s ease;
    transform-origin: center center;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    opacity: 0;
}

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

/* Bookmark Button Active State */
#bookmark-btn.active {
    color: #ffca28;
    filter: drop-shadow(0 0 8px rgba(255, 202, 40, 0.4));
}

#bookmark-btn.active .icon {
    fill: #ffca28;
}

/* Header/Footer Sliders */
.slider-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.slider-container input {
    width: 100px;
}

.slider-value {
    min-width: 35px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* Chapter Sidebar Hidden Animation */
.chapter-sidebar.hidden {
    transform: translateX(100%);
    opacity: 0;
}

.chapter-sidebar {
    \r transition: transform 0.3s ease, opacity 0.3s ease;
    \r
}

\r \r

/* Vertical Mode - Page Slider on Right Side */
\r #reader-view.vertical-mode .reader-footer {
    \r position: fixed;
    \r right: 20px;
    \r top: 50%;
    \r transform: translateY(-50%);
    \r width: auto;
    \r height: auto;
    \r background: var(--bg-glass);
    \r backdrop-filter: blur(15px);
    \r border-radius: var(--radius-lg);
    \r padding: var(--spacing-md);
    \r border: 1px solid rgba(255, 255, 255, 0.1);
    \r box-shadow: var(--shadow-lg);
    \r
}

\r \r #reader-view.vertical-mode .page-slider-container {
    \r display: flex;
    \r flex-direction: column;
    \r align-items: center;
    \r height: 300px;
    \r max-width: none;
    \r
}

\r \r #reader-view.vertical-mode .page-slider {
    \r writing-mode: vertical-lr;
    \r direction: rtl;
    \r width: 6px;
    \r height: 100%;
    \r transform: rotate(180deg);
    \r
}

\r \r #reader-view.vertical-mode .page-thumbnails {
    \r display: none;
    \r
}

\r \r

/* Zoom Modal Styles */
\r .zoom-modal-content {
    \r max-width: 350px;
    \r
}

\r \r .zoom-control {
    \r display: flex;
    \r align-items: center;
    \r gap: var(--spacing-md);
    \r
}

\r \r .zoom-label {
    \r color: var(--text-secondary);
    \r font-size: 0.9rem;
    \r min-width: 80px;
    \r
}

\r \r .zoom-slider {
    \r flex: 1;
    \r height: 6px;
    \r -webkit-appearance: none;
    \r appearance: none;
    \r background: var(--bg-secondary);
    \r border-radius: 3px;
    \r outline: none;
    \r cursor: pointer;
    \r
}

\r \r .zoom-slider::-webkit-slider-thumb {
    \r -webkit-appearance: none;
    \r appearance: none;
    \r width: 18px;
    \r height: 18px;
    \r background: var(--accent-gradient);
    \r border-radius: 50%;
    \r cursor: pointer;
    \r box-shadow: var(--accent-glow);
    \r
}

\r \r #zoom-value {
    \r min-width: 45px;
    \r text-align: right;
    \r font-variant-numeric: tabular-nums;
    \r color: var(--text-primary);
    \r
}