/**
 * Livros Apócrifos - Styles
 * Desenvolvido por B20 Conteúdo Digital
 * https://www.b20.com.br
 * 
 * Design: Streaming (Netflix) + Editorial + Education/Gamified
 * Paleta: Crystal Clear adaptada para dark theme
 */

/* ===== CSS RESET & BASE ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ===== CSS VARIABLES ===== */
:root {
    /* Paleta Crystal Clear - Adaptada para tema escuro cinematográfico */
    --primary-color: #7B68EE;
    --primary-hover: #6B5BD4;
    --primary-light: rgba(123, 104, 238, 0.15);
    --secondary-color: #4A90D9;
    --accent-color: #FFD700;
    --accent-light: rgba(255, 215, 0, 0.15);
    
    /* Dark Theme (Netflix-inspired) */
    --bg-color: #0a0a0f;
    --bg-secondary: #141420;
    --bg-tertiary: #1a1a2e;
    --surface-color: #1e1e30;
    --surface-hover: #252540;
    --surface-elevated: #2a2a45;
    
    /* Text Colors */
    --text-color: #f0f0f5;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a7a;
    --text-inverse: #0a0a0f;
    
    /* Semantic Colors */
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --error-color: #f44336;
    --info-color: #2196F3;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-gold: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    --gradient-dark: linear-gradient(180deg, rgba(10, 10, 15, 0) 0%, rgba(10, 10, 15, 0.8) 50%, rgba(10, 10, 15, 1) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(123, 104, 238, 0.3) 0%, rgba(74, 144, 217, 0.2) 50%, rgba(10, 10, 15, 0.9) 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(123, 104, 238, 0.3);
    --shadow-gold: 0 0 20px rgba(255, 215, 0, 0.3);
    
    /* Layout */
    --header-height: 60px;
    --bottom-nav-height: 65px;
    --border-radius-sm: 8px;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Typography */
    --font-display: 'Cinzel', serif;
    --font-body: 'Lora', serif;
    --font-ui: 'Inter', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Z-index layers */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 500;
    --z-fixed: 1000;
    --z-modal: 2000;
    --z-toast: 3000;
}

/* Light Theme */
[data-theme="light"] {
    --bg-color: #f5f5fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #eeeef5;
    --surface-color: #ffffff;
    --surface-hover: #f0f0f5;
    --surface-elevated: #ffffff;
    --text-color: #1a1a2e;
    --text-secondary: #4a4a5a;
    --text-muted: #8a8a9a;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* ===== BASE STYLES ===== */
html {
    font-size: clamp(14px, 2.5vw, 16px);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    padding-top: var(--header-height);
    padding-bottom: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom, 0px));
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@media (min-width: 768px) {
    body {
        padding-bottom: 0;
    }
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-color);
}

h1 { font-size: clamp(1.75rem, 5vw, 2.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: clamp(1.1rem, 2.5vw, 1.25rem); }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-hover);
}

/* ===== ACCESSIBILITY ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== HEADER ===== */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    z-index: var(--z-fixed);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.header-logo i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.header-logo h1 {
    font-size: 1.25rem;
    font-weight: 600;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Desktop Navigation */
.desktop-nav {
    display: none;
}

@media (min-width: 768px) {
    .desktop-nav {
        display: flex;
        align-items: center;
        gap: var(--spacing-xs);
    }
    
    .desktop-nav .nav-link {
        display: flex;
        align-items: center;
        gap: var(--spacing-xs);
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: var(--border-radius);
        color: var(--text-secondary);
        font-family: var(--font-ui);
        font-size: 0.875rem;
        font-weight: 500;
        transition: all var(--transition);
        text-decoration: none;
    }
    
    .desktop-nav .nav-link i {
        font-size: 1rem;
    }
    
    .desktop-nav .nav-link:hover {
        color: var(--text-color);
        background: var(--surface-color);
    }
    
    .desktop-nav .nav-link.active {
        color: var(--primary-color);
        background: var(--primary-light);
    }
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-ui);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
    min-height: 44px;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(123, 104, 238, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline {
    background: transparent;
    color: var(--text-color);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    min-height: 52px;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.8125rem;
    min-height: 36px;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
}

.btn-icon:hover {
    background: var(--surface-color);
    color: var(--text-color);
}

.btn-icon i {
    font-size: 1.125rem;
}

/* ===== BOTTOM NAVIGATION ===== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: var(--z-fixed);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: env(safe-area-inset-bottom, 0);
}

@media (min-width: 768px) {
    .bottom-nav {
        display: none !important;
    }
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-muted);
    text-decoration: none;
    font-family: var(--font-ui);
    font-size: 0.6875rem;
    font-weight: 500;
    transition: all var(--transition);
    min-width: 64px;
    min-height: 48px;
}

.nav-item i {
    font-size: 1.25rem;
    transition: transform var(--transition);
}

.nav-item.active {
    color: var(--primary-color);
}

.nav-item.active i {
    transform: scale(1.15);
}

/* ===== SECTIONS ===== */
.section {
    min-height: calc(100vh - var(--header-height));
    opacity: 1;
    transition: opacity var(--transition);
}

.section[hidden] {
    display: none !important;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

@media (min-width: 768px) {
    .section-container {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
}

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

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 600;
}

.section-title i {
    color: var(--accent-color);
}

.section-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-color);
}

.section-link:hover {
    text-decoration: underline;
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: calc(100vh - var(--header-height));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--bg-color);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: 1;
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.hero-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.3; }
    50% { transform: translateY(-30px) rotate(180deg); opacity: 0.6; }
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--accent-light);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 50px;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-lg);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(255, 215, 0, 0); }
}

.hero-title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--text-color) 0%, var(--accent-color) 50%, var(--text-color) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

@media (min-width: 480px) {
    .hero-actions {
        flex-direction: row;
        justify-content: center;
    }
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
    font-family: var(--font-ui);
    font-size: 0.75rem;
    animation: bounce 2s ease-in-out infinite;
    z-index: 3;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ===== CAROUSEL ===== */
.carousel-wrapper {
    position: relative;
    margin: 0 calc(-1 * var(--spacing-md));
    padding: 0 var(--spacing-md);
}

.carousel {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: var(--spacing-sm) 0;
}

.carousel::-webkit-scrollbar {
    display: none;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--surface-elevated);
    color: var(--text-color);
    cursor: pointer;
    z-index: 10;
    display: none;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
    .carousel-btn {
        display: flex;
    }
}

.carousel-btn:hover {
    background: var(--primary-color);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 0;
}

.carousel-next {
    right: 0;
}

/* ===== BOOK CARDS ===== */
.book-card {
    flex: 0 0 280px;
    scroll-snap-align: start;
    background: var(--surface-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.book-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.book-card-image {
    position: relative;
    height: 180px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.book-card-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.book-card-icon {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.9);
    z-index: 1;
}

.book-card-category {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-family: var(--font-ui);
    font-size: 0.6875rem;
    font-weight: 600;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.book-card-content {
    padding: var(--spacing-md);
}

.book-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-color);
}

.book-card-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.book-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.book-card-chapters {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.book-card-progress {
    width: 60px;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.book-card-progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width var(--transition);
}

/* ===== BOOKS GRID ===== */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

/* ===== FILTERS ===== */
.filters-bar,
.timeline-filters {
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    margin-left: calc(-1 * var(--spacing-md));
    margin-right: calc(-1 * var(--spacing-md));
}

.filters-bar::-webkit-scrollbar,
.timeline-filters::-webkit-scrollbar {
    display: none;
}

.filters-bar::after,
.timeline-filters::after {
    content: '';
    padding-right: 1px;
}

.filter-chips {
    display: flex;
    gap: var(--spacing-sm);
    padding: 0;
}

.filter-chip {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface-color);
    border: 1px solid transparent;
    border-radius: 50px;
    font-family: var(--font-ui);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.filter-chip:hover {
    background: var(--surface-hover);
    color: var(--text-color);
}

.filter-chip.active {
    background: var(--primary-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* ===== PAGE HEADER ===== */
.page-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
}

.page-title {
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== CURIOSITIES ===== */
.curiosities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.curiosity-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--accent-color);
    transition: all var(--transition);
}

.curiosity-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.curiosity-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.curiosity-icon i {
    font-size: 1.25rem;
    color: var(--accent-color);
}

.curiosity-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.curiosity-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

/* ===== TIMELINE ===== */
.timeline-preview {
    position: relative;
    padding-left: var(--spacing-xl);
}

.timeline-preview::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-lg);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--spacing-xl) + 4px);
    top: 4px;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border: 3px solid var(--bg-color);
    border-radius: 50%;
    z-index: 1;
}

.timeline-date {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.timeline-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.timeline-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Full Timeline */
.timeline-container {
    position: relative;
    padding-left: var(--spacing-2xl);
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color), var(--accent-color));
    border-radius: 2px;
}

.timeline-event {
    position: relative;
    padding: var(--spacing-lg);
    background: var(--surface-color);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition);
}

.timeline-event:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.timeline-event::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--spacing-2xl) + 6px);
    top: var(--spacing-lg);
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border: 4px solid var(--bg-color);
    border-radius: 50%;
    z-index: 1;
    box-shadow: var(--shadow-gold);
}

.timeline-event-era {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--primary-light);
    border-radius: 50px;
    font-family: var(--font-ui);
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.timeline-event-year {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: var(--spacing-xs);
}

.timeline-event-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.timeline-event-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin: 0;
}

/* ===== PROGRESS DASHBOARD ===== */
.progress-dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.progress-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
}

.progress-ring {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    position: relative;
}

.progress-ring svg {
    transform: rotate(-90deg);
}

.progress-ring-bg {
    fill: none;
    stroke: var(--bg-tertiary);
    stroke-width: 8;
}

.progress-ring-fill {
    fill: none;
    stroke: var(--primary-color);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 226;
    stroke-dashoffset: 226;
    transition: stroke-dashoffset 1s ease;
}

.progress-ring-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
}

.progress-label {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===== STORIES ===== */
.stories-categories {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    scrollbar-width: none;
}

.stories-categories::-webkit-scrollbar {
    display: none;
}

.story-category {
    flex: 0 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--surface-color);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    min-width: 120px;
}

.story-category:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.story-category.active {
    background: var(--primary-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.story-category i {
    display: block;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.stories-list {
    display: grid;
    gap: var(--spacing-md);
}

.story-card {
    display: flex;
    gap: var(--spacing-md);
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition);
}

.story-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.story-card-image {
    flex: 0 0 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.story-card-image i {
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.story-card-content {
    flex: 1;
    min-width: 0;
}

.story-card-book {
    font-family: var(--font-ui);
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.story-card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-color);
}

.story-card-excerpt {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.story-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.story-card-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* ===== STORY READER ===== */
.story-reader-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(15px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.story-reader-modal[hidden] {
    display: none;
}

.story-reader-content {
    position: relative;
    width: 100%;
    max-width: 800px;
    height: 90vh; /* Fixa a altura para permitir rolagem interna */
    background: var(--bg-color);
    border-radius: var(--border-radius-xl);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

.story-reader-header {
    position: sticky;
    top: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    background: rgba(15, 15, 20, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 10;
}

.story-reader-progress {
    flex: 1;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.story-reader-progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    width: 0%;
    transition: width var(--transition);
}

.story-reader-body {
    flex: 1;
    max-width: 100%; /* Toma a largura do card (800px) */
    margin: 0;
    padding: var(--spacing-2xl) var(--spacing-xl);
    overflow-y: auto; /* A rolagem acontece aqui dentro agora */
}

.story-reader-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.story-reader-chapter {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.story-reader-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.story-reader-text p {
    margin-bottom: 1.5rem;
    text-indent: 2rem;
}

.story-reader-text p:first-of-type::first-letter {
    float: left;
    font-family: var(--font-display);
    font-size: 4rem;
    line-height: 1;
    padding-right: var(--spacing-sm);
    color: var(--accent-color);
}

.story-reader-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--surface-color);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.story-chapter-indicator {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ===== CHARACTERS ===== */
.characters-search {
    margin-bottom: var(--spacing-lg);
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-wrapper i {
    position: absolute;
    left: var(--spacing-md);
    color: var(--text-muted);
}

.search-input-wrapper input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) calc(var(--spacing-md) * 3);
    background: var(--surface-color);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    font-family: var(--font-ui);
    font-size: 1rem;
    color: var(--text-color);
    transition: all var(--transition);
}

.search-input-wrapper input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-light);
}

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

.characters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--spacing-md);
}

.character-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
}

.character-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.character-avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: var(--shadow-md);
}

.character-name {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.character-role {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Character Detail Modal */
.character-detail-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.character-detail-modal[hidden] {
    display: none;
}

.character-detail-content {
    position: relative;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    background: var(--surface-color);
    border-radius: var(--border-radius-lg);
    overflow-y: auto;
}

.character-detail-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 10;
}

.character-detail-body {
    padding: var(--spacing-xl);
}

.character-detail-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.character-detail-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-lg);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.character-detail-name {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
}

.character-detail-role {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.character-detail-section {
    margin-bottom: var(--spacing-lg);
}

.character-detail-section h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.character-detail-section p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin: 0;
}

.character-books {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.character-book-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--primary-light);
    border-radius: 50px;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary-color);
}

/* ===== HISTORY SECTION ===== */
.history-topics {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    scrollbar-width: none;
    
    /* Responsive Bleed */
    margin-left: calc(-1 * var(--spacing-md));
    margin-right: calc(-1 * var(--spacing-md));
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.history-topics::after {
    content: '';
    padding-right: 1px;
}

.history-topics::-webkit-scrollbar {
    display: none;
}

.history-topic {
    flex: 0 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--surface-color);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.history-topic:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.history-topic.active {
    background: var(--primary-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.history-content {
    background: var(--surface-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
}

.history-article {
    max-width: 720px;
    margin: 0 auto;
}

.history-article h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--primary-light);
}

.history-article p {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.history-article ul {
    margin-bottom: 1.5rem;
    padding-left: var(--spacing-lg);
}

.history-article li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.history-article blockquote {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-left: 4px solid var(--accent-color);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-style: italic;
    color: var(--text-secondary);
}

/* ===== ABOUT SECTION ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
    .about-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .about-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

.about-card {
    background: var(--surface-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition);
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.about-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.about-icon i {
    font-size: 1.75rem;
    color: white;
}

.about-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.about-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin: 0;
}

.about-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.about-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.about-features li i {
    color: var(--success-color);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background: var(--surface-color);
    border-radius: var(--border-radius-lg);
}

@media (min-width: 768px) {
    .about-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

.about-stat {
    text-align: center;
    padding: var(--spacing-lg);
}

.about-stat i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: var(--spacing-sm);
}

.about-stat .stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
}

.about-stat .stat-label {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ===== FAQ ===== */
.faq-section {
    margin-bottom: var(--spacing-2xl);
}

.faq-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.faq-title i {
    color: var(--accent-color);
}

.faq-container {
    display: grid;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    font-family: var(--font-ui);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition);
}

.faq-question:hover {
    background: var(--surface-hover);
}

.faq-icon {
    font-size: 1.25rem;
    color: var(--primary-color);
    transition: transform var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin: 0;
}

/* ===== BOOK DETAIL MODAL ===== */
.book-detail-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(15px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.book-detail-modal[hidden] {
    display: none;
}

.book-detail-content {
    position: relative;
    width: 100%;
    max-width: 720px; /* Mais aconchegante para leitura */
    max-height: 90vh;
    background: var(--bg-color);
    border-radius: var(--border-radius-xl);
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

.book-detail-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 10;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.1);
}

.book-detail-header {
    position: relative;
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--gradient-primary);
    text-align: center;
}

.book-detail-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to top, var(--bg-color), transparent);
}

.book-detail-icon {
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

.book-detail-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.book-detail-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: white;
    margin-bottom: var(--spacing-sm);
}

.book-detail-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
}

.book-detail-body {
    padding: var(--spacing-xl) var(--spacing-md);
}

.book-detail-section {
    margin-bottom: var(--spacing-xl);
}

.book-detail-section h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-light);
    color: var(--primary-color);
}

.book-detail-section p {
    font-size: 1.0625rem;
    line-height: 1.8;
}

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

.book-chapters-list {
    display: grid;
    gap: var(--spacing-sm);
}

.book-chapter-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--surface-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition);
}

.book-chapter-item:hover {
    background: var(--surface-hover);
    transform: translateX(4px);
}

.book-chapter-number {
    width: 32px;
    height: 32px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-right: var(--spacing-md);
}

.book-chapter-title {
    flex: 1;
    font-size: 0.9375rem;
    font-weight: 500;
}

.book-chapter-status {
    color: var(--text-muted);
}

.book-chapter-status.completed {
    color: var(--success-color);
}

/* ===== SEARCH MODAL ===== */
.search-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    z-index: var(--z-modal);
    padding: var(--spacing-md);
}

.search-modal[hidden] {
    display: none;
}

.search-modal-content {
    max-width: 600px;
    margin: 0 auto;
    padding-top: var(--spacing-xl);
}

.search-modal .search-input-wrapper {
    margin-bottom: var(--spacing-lg);
}

.search-modal .search-input-wrapper input {
    padding-right: calc(var(--spacing-md) * 3);
}

.search-modal #search-close {
    position: absolute;
    right: var(--spacing-xs);
    top: 50%;
    transform: translateY(-50%);
}

.search-results {
    max-height: 60vh;
    overflow-y: auto;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--surface-color);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition);
}

.search-result-item:hover {
    background: var(--surface-hover);
    transform: translateX(4px);
}

.search-result-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.search-result-content {
    flex: 1;
}

.search-result-type {
    font-family: var(--font-ui);
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.search-result-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
}

.search-no-results {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-muted);
}

.search-no-results i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* ===== CONTINUE READING ===== */
.continue-reading-card {
    background: var(--surface-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    cursor: pointer;
    transition: all var(--transition);
}

.continue-reading-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.continue-reading-image {
    flex: 0 0 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.continue-reading-image i {
    font-size: 2rem;
    color: white;
}

.continue-reading-content {
    flex: 1;
    min-width: 0;
}

.continue-reading-label {
    font-family: var(--font-ui);
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.continue-reading-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.continue-reading-chapter {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.continue-reading-progress {
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.continue-reading-progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* ===== TOAST ===== */
.toast-container {
    position: fixed;
    bottom: calc(var(--bottom-nav-height) + var(--spacing-md) + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    pointer-events: none;
}

@media (min-width: 768px) {
    .toast-container {
        bottom: var(--spacing-lg);
    }
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--surface-elevated);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: all var(--transition);
    pointer-events: auto;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-icon {
    font-size: 1.25rem;
}

.toast-success .toast-icon { color: var(--success-color); }
.toast-error .toast-icon { color: var(--error-color); }
.toast-warning .toast-icon { color: var(--warning-color); }
.toast-info .toast-icon { color: var(--info-color); }

.toast-message {
    font-family: var(--font-ui);
    font-size: 0.9375rem;
    color: var(--text-color);
}

/* ===== FOOTER ===== */
.app-footer {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--accent-color);
}

.footer-credits {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.b20-link {
    color: var(--primary-color);
    font-weight: 600;
    transition: all var(--transition);
}

.b20-link:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.footer-link {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    margin: 0;
}

.footer-link a {
    color: var(--text-muted);
}

/* ===== SKELETON LOADING ===== */
.skeleton {
    background: linear-gradient(90deg, var(--surface-color) 25%, var(--surface-hover) 50%, var(--surface-color) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--border-radius);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-card {
    height: 280px;
}

.skeleton-text {
    height: 1rem;
    margin-bottom: var(--spacing-sm);
}

.skeleton-text.short {
    width: 60%;
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-muted);
    opacity: 0.5;
    margin-bottom: var(--spacing-lg);
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.animate-fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.animate-slide-up {
    animation: slideUp 0.5s ease forwards;
}

.animate-slide-in {
    animation: slideIn 0.5s ease forwards;
}

/* Staggered animations */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

/* ===== RESPONSIVE ADJUSTMENTS ===== */
@media (max-width: 480px) {
    .hero-actions {
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .hero-stats {
        gap: var(--spacing-lg);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
}

@media (min-width: 1024px) {
    .section-container {
        padding: var(--spacing-2xl);
    }
    
    .books-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .characters-grid {
        grid-template-columns: repeat(5, 1fr);
    }

    /* Centralizar menus de navegação horizontal em telas grandes */
    .history-topics,
    .timeline-filters,
    .filters-bar {
        justify-content: center;
        flex-wrap: wrap;
        overflow-x: visible;
        margin-left: 0;
        margin-right: 0;
        padding-left: 0;
        padding-right: 0;
    }
    
    .filter-chips {
        justify-content: center;
        flex-wrap: wrap;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .app-header,
    .bottom-nav,
    .app-footer,
    .btn,
    .toast-container {
        display: none !important;
    }
    
    body {
        padding: 0;
        background: white;
        color: black;
    }
    
    .section {
        display: block !important;
    }
}