/* The Gentleman's Agony - Main Stylesheet */

/* ===== CSS Variables ===== */
:root {
    /* Light Mode Colors */
    --bg-primary: #faf8f5;
    --bg-secondary: #ffffff;
    --bg-accent: #f5f1eb;
    --text-primary: #2c2416;
    --text-secondary: #5a4a3a;
    --text-muted: #8a7a6a;
    --accent-primary: #8b4513;
    --accent-secondary: #d4a574;
    --border-color: #e0d5c7;
    --shadow: rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-heading: 'Cinzel', serif;
    --font-body: 'Crimson Text', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Dark Mode Colors */
[data-theme="dark"] {
    --bg-primary: #1a1410;
    --bg-secondary: #2a2218;
    --bg-accent: #3a3028;
    --text-primary: #e8e0d5;
    --text-secondary: #c8b8a8;
    --text-muted: #a89888;
    --accent-primary: #d4a574;
    --accent-secondary: #8b4513;
    --border-color: #4a3a2a;
    --shadow: rgba(0, 0, 0, 0.3);
}

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

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

body {
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: var(--spacing-sm);
}

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

a:hover {
    color: var(--accent-secondary);
}

/* ===== Layout ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Header ===== */
.site-header {
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px var(--shadow);
}

.header-content {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.site-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.site-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-style: italic;
}

.main-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.icon-btn {
    background: var(--bg-accent);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.icon-btn:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

/* ===== Table of Contents Sidebar ===== */
.toc-sidebar {
    position: fixed;
    top: 0;
    right: -350px;
    width: 350px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 2px solid var(--border-color);
    box-shadow: -5px 0 20px var(--shadow);
    z-index: 200;
    transition: right var(--transition-normal);
    overflow-y: auto;
}

.toc-sidebar.active {
    right: 0;
}

.toc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    z-index: 10;
}

.toc-header h2 {
    font-size: 1.5rem;
    margin: 0;
}

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

.toc-item {
    display: block;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    background: var(--bg-accent);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.toc-item:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    transform: translateX(-5px);
}

.toc-item.active {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

.chapter-number {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.chapter-title {
    display: block;
    font-size: 0.875rem;
    opacity: 0.8;
}

.act-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: var(--spacing-xs);
    text-align: center;
}

/* ===== Main Content ===== */
.main-content {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-xl) 0;
}

/* ===== Chapter Header ===== */
.chapter-header {
    margin-bottom: var(--spacing-lg);
}

.chapter-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.chapter-number {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.chapter-progress {
    font-size: 0.875rem;
    color: var(--text-muted);
}

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

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transition: width var(--transition-slow);
}

/* ===== Audio Player ===== */
.audio-player {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 4px 12px var(--shadow);
}

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

.audio-btn {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.audio-btn:hover {
    background: var(--accent-secondary);
    transform: scale(1.1);
}

.audio-progress {
    flex: 1;
}

.audio-timeline {
    height: 6px;
    background: var(--bg-accent);
    border-radius: 3px;
    cursor: pointer;
    margin-bottom: var(--spacing-xs);
    position: relative;
}

.audio-progress-fill {
    height: 100%;
    background: var(--accent-primary);
    border-radius: 3px;
    width: 0%;
    transition: width 0.1s linear;
}

.audio-time {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
}

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

#volume-slider {
    width: 80px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-accent);
    border-radius: 2px;
    outline: none;
}

#volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
}

#volume-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.speed-btn {
    width: auto;
    padding: 0 var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* ===== Chapter Content ===== */
.chapter-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow);
}

.chapter-content h2 {
    text-align: center;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

.chapter-content p {
    text-align: justify;
    text-indent: 2em;
    margin-bottom: var(--spacing-md);
}

.chapter-content p:first-of-type {
    text-indent: 0;
}

.chapter-content p:first-of-type::first-letter {
    font-size: 4rem;
    font-weight: 700;
    float: left;
    line-height: 0.8;
    margin: 0.1em 0.1em 0 0;
    color: var(--accent-primary);
    font-family: var(--font-heading);
}

.chapter-content em {
    font-style: italic;
    color: var(--text-secondary);
}

.chapter-content strong {
    font-weight: 600;
    color: var(--accent-primary);
}

/* Chapter Images */
.chapter-image {
    margin: var(--spacing-lg) 0;
    text-align: center;
}

.chapter-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow);
}

.chapter-image figcaption {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    font-style: italic;
    color: var(--text-muted);
}

/* Scene Break */
.scene-break {
    text-align: center;
    margin: var(--spacing-lg) 0;
    font-size: 1.5rem;
    color: var(--accent-primary);
    letter-spacing: 1rem;
}

/* ===== Chapter Navigation ===== */
.chapter-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-xl);
    gap: var(--spacing-sm);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--accent-primary);
    color: var(--bg-primary);
    border: none;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-btn:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.nav-btn.disabled {
    opacity: 0;
    pointer-events: none;
}

.home-btn {
    padding: var(--spacing-sm);
    width: 50px;
    justify-content: center;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-secondary);
    border-top: 2px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    text-align: center;
    margin-top: var(--spacing-xl);
}

.site-footer p {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.footer-note {
    font-style: italic;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .site-title {
        font-size: 2rem;
    }
    
    .chapter-content {
        padding: var(--spacing-md);
    }
    
    .chapter-nav {
        flex-wrap: wrap;
    }
    
    .nav-btn span {
        display: none;
    }
    
    .toc-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .audio-controls {
        flex-wrap: wrap;
    }
    
    .audio-volume {
        width: 100%;
        justify-content: center;
    }
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chapter-content {
    animation: fadeIn var(--transition-slow);
}

/* ===== Print Styles ===== */
@media print {
    .site-header,
    .main-nav,
    .toc-sidebar,
    .audio-player,
    .chapter-nav,
    .site-footer {
        display: none;
    }
    
    .chapter-content {
        box-shadow: none;
        padding: 0;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* ===== 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-width: 0;
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}