/* Reader Specific Styles */
.reader-body {
    background: var(--dark-bg);
    font-family: 'Crimson Text', serif;
    line-height: 1.6;
}

/* Reader Header */
.reader-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.reader-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.back-btn:hover {
    color: var(--primary-gold);
}

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

.book-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.title-main {
    font-family: var(--font-title);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.title-sub {
    font-size: 0.9rem;
    color: var(--primary-gold);
    font-weight: 300;
    letter-spacing: 0.1em;
}

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

.control-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-xs);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn:hover {
    background: var(--primary-gold);
    color: var(--dark-bg);
    border-color: var(--primary-gold);
}

.control-btn svg {
    width: 18px;
    height: 18px;
}

/* Reading Progress */
.reading-progress {
    padding: 0 var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.progress-bar {
    width: 100%;
    height: 3px;
    background: rgba(212, 175, 55, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-gold), var(--secondary-gold));
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Table of Contents Sidebar */
.toc-sidebar {
    position: fixed;
    top: 0;
    left: -350px;
    width: 350px;
    height: 100vh;
    background: var(--darker-bg);
    border-right: 1px solid var(--border-color);
    z-index: 1100;
    transition: left 0.3s ease;
    overflow-y: auto;
}

.toc-sidebar.open {
    left: 0;
}

.toc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.toc-header h3 {
    font-family: var(--font-title);
    color: var(--primary-gold);
    font-size: 1.2rem;
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 4px;
    transition: var(--transition-fast);
}

.close-btn:hover {
    color: var(--primary-gold);
    background: rgba(212, 175, 55, 0.1);
}

.close-btn svg {
    width: 18px;
    height: 18px;
}

.toc-nav {
    padding: var(--spacing-md);
}

.toc-list {
    list-style: none;
}

.toc-list li {
    margin-bottom: var(--spacing-sm);
}

.toc-list a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--spacing-sm);
    border-radius: 6px;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.toc-list a:hover,
.toc-list a.active {
    background: rgba(212, 175, 55, 0.1);
    color: var(--primary-gold);
}

.toc-list .chapter-number {
    font-family: var(--font-title);
    font-size: 0.8rem;
    color: var(--primary-gold);
    display: block;
    margin-bottom: 2px;
    position: relative;
    z-index: 10;
    opacity: 1;
}

/* Search Panel */
.search-panel {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: var(--darker-bg);
    border-left: 1px solid var(--border-color);
    z-index: 1100;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.search-panel.open {
    right: 0;
}

.search-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.search-input {
    flex: 1;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: var(--spacing-sm);
    border-radius: 6px;
    font-size: 0.95rem;
}

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

.search-results {
    padding: var(--spacing-md);
}

.search-result {
    padding: var(--spacing-sm);
    border-radius: 6px;
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.search-result:hover {
    background: rgba(212, 175, 55, 0.1);
}

.search-result-title {
    font-weight: 600;
    color: var(--primary-gold);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.search-result-excerpt {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.4;
}

/* Main Reading Area */
.reader-main {
    margin-top: 120px; /* Account for fixed header */
    min-height: calc(100vh - 120px);
}

.reader-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

.chapter-content {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    font-size: 1.1rem;
}

.chapter-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.chapter-header .chapter-number {
    font-family: var(--font-title);
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-gold);
    letter-spacing: 0.2em;
    margin-bottom: var(--spacing-xs);
    display: block;
    opacity: 1;
    position: relative;
    z-index: 10;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.chapter-header .chapter-title {
    font-family: var(--font-title);
    font-size: 2.5rem;
    color: var(--text-primary);
    margin: var(--spacing-sm) 0;
    font-weight: 600;
}

.chapter-header .chapter-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.chapter-header .reading-time {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

.chapter-content h1 {
    font-family: var(--font-title);
    font-size: 2.5rem;
    color: var(--primary-gold);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.chapter-content h2 {
    font-family: var(--font-title);
    font-size: 2rem;
    color: var(--text-primary);
    margin: var(--spacing-xl) 0 var(--spacing-lg);
}

.chapter-content h3 {
    font-family: var(--font-title);
    font-size: 1.5rem;
    color: var(--primary-gold);
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.chapter-content p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    text-align: justify;
}

.chapter-content blockquote {
    border-left: 4px solid var(--primary-gold);
    padding-left: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    font-style: italic;
    color: var(--text-muted);
}

.chapter-content code {
    background: rgba(212, 175, 55, 0.1);
    color: var(--primary-gold);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.chapter-content pre {
    background: rgba(212, 175, 55, 0.1);
    color: var(--text-secondary);
    padding: var(--spacing-md);
    border-radius: 8px;
    overflow-x: auto;
    margin: var(--spacing-md) 0;
}

.chapter-content ul,
.chapter-content ol {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.chapter-content li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

/* Chapter Navigation */
.chapter-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--border-color);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.nav-btn:hover:not(:disabled) {
    background: var(--primary-gold);
    color: var(--dark-bg);
    border-color: var(--primary-gold);
}

.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.nav-btn svg {
    width: 18px;
    height: 18px;
}

.chapter-indicator {
    font-family: var(--font-title);
    color: var(--primary-gold);
    font-weight: 600;
    text-align: center;
}

/* Settings Panel */
.settings-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 400px;
    background: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    z-index: 1200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.settings-panel.open {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.settings-header h3 {
    font-family: var(--font-title);
    color: var(--primary-gold);
}

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

.setting-group {
    margin-bottom: var(--spacing-md);
}

.setting-group label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.setting-group input[type="range"] {
    width: 100%;
    margin: var(--spacing-xs) 0;
}

.setting-group select {
    width: 100%;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: var(--spacing-xs);
    border-radius: 6px;
}

/* Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Theme Variants */
.reader-body.light-theme {
    --dark-bg: #ffffff;
    --darker-bg: #f8f9fa;
    --text-primary: #2c3e50;
    --text-secondary: #34495e;
    --text-muted: #7f8c8d;
    --border-color: rgba(52, 73, 94, 0.2);
}

.reader-body.sepia-theme {
    --dark-bg: #f4f1ea;
    --darker-bg: #ede6d3;
    --text-primary: #5d4037;
    --text-secondary: #6d4c41;
    --text-muted: #8d6e63;
    --border-color: rgba(93, 64, 55, 0.2);
}

/* Font Family Variants */
.reader-body.font-inter {
    font-family: var(--font-ui);
}

.reader-body.font-source {
    font-family: var(--font-body);
}

.reader-body.font-crimson {
    font-family: 'Crimson Text', serif;
}

/* Responsive Design */
@media (max-width: 768px) {
    .reader-nav {
        padding: var(--spacing-sm);
    }
    
    .book-title {
        display: none;
    }
    
    .toc-sidebar,
    .search-panel {
        width: 100vw;
        left: -100vw;
        right: -100vw;
    }
    
    .toc-sidebar.open {
        left: 0;
    }
    
    .search-panel.open {
        right: 0;
    }
    
    .reader-container {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .chapter-content {
        padding: var(--spacing-md);
        font-size: 1rem;
    }
    
    .chapter-nav {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .settings-panel {
        width: 90vw;
        max-width: 400px;
    }
}

/* Free Sinopsis CTA */
.sinopsis-cta {
    margin-top: 60px;
    padding: 40px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(212, 175, 55, 0.05));
    border: 2px solid var(--primary-gold);
    border-radius: 12px;
    text-align: center;
}

.sinopsis-cta h3 {
    color: var(--primary-gold);
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.sinopsis-cta p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.sinopsis-cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    color: var(--dark-bg);
    padding: 18px 40px;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.sinopsis-cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

.sinopsis-cta p.sinopsis-cta-note {
    color: var(--primary-gold) !important;
    font-size: 0.9rem;
    margin-top: 20px;
    margin-bottom: 0;
    text-align: center;
    font-family: 'Calibri', 'Segoe UI', Tahoma, sans-serif;
    letter-spacing: 0.5px;
    display: block;
    width: 100%;
}

@media (max-width: 480px) {
    .reader-main {
        margin-top: 100px;
    }
    
    .chapter-content h1 {
        font-size: 2rem;
    }
    
    .chapter-content h2 {
        font-size: 1.5rem;
    }
    
    .chapter-content {
        font-size: 0.95rem;
        line-height: 1.7;
    }
}