/* ============================================
   BOOK PAGE - MYSTICAL THEME
   Tema mistico per "Maya e il Mondo degli Spiriti"
   Palette: Verde foresta, oro ancestrale, terracotta africana
   ============================================ */

:root {
    --mystical-bg-primary: #0a0e0d;
    --mystical-bg-secondary: #1a1f1e;
    --mystical-bg-card: rgba(26, 31, 30, 0.95);

    --mystical-accent-forest: #2d5016;
    --mystical-accent-gold: #d4a853;
    --mystical-accent-terracotta: #c4723c;
    --mystical-accent-teal: #3d7373;

    --mystical-text-primary: #e8e3d5;
    --mystical-text-secondary: #b8b3a5;
    --mystical-text-accent: #d4a853;

    --mystical-border: rgba(212, 168, 83, 0.3);
    --mystical-shadow: rgba(0, 0, 0, 0.6);
}

/* ============================================
   BODY & BACKGROUND
   ============================================ */
body[data-page="book"] {
    background: var(--mystical-bg-primary);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(45, 80, 22, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(61, 115, 115, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(196, 114, 60, 0.05) 0%, transparent 70%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="400" height="400"><defs><pattern id="tribal" x="0" y="0" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M50 0 L60 20 L50 40 L40 20 Z M0 50 L20 60 L40 50 L20 40 Z M60 50 L80 60 L100 50 L80 40 Z" fill="none" stroke="rgba(212,168,83,0.03)" stroke-width="1"/></pattern></defs><rect width="400" height="400" fill="url(%23tribal)"/></svg>');
    color: var(--mystical-text-primary);
    font-family: 'Georgia', 'Palatino', serif;
    position: relative;
}

/* Texture overlay - tribal patterns */
body[data-page="book"]::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        repeating-linear-gradient(90deg, transparent, transparent 3px, rgba(212, 168, 83, 0.02) 3px, rgba(212, 168, 83, 0.02) 6px);
    pointer-events: none;
    opacity: 0.5;
    z-index: 1;
}

body[data-page="book"] > * {
    position: relative;
    z-index: 2;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
body[data-page="book"] header {
    background: linear-gradient(180deg, rgba(26, 31, 30, 0.98) 0%, rgba(26, 31, 30, 0.90) 100%);
    border-bottom: 3px solid var(--mystical-accent-forest);
    box-shadow: 0 4px 20px var(--mystical-shadow);
    position: relative;
}

body[data-page="book"] header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--mystical-accent-gold) 25%,
        var(--mystical-accent-terracotta) 50%,
        var(--mystical-accent-gold) 75%,
        transparent 100%);
    opacity: 0.6;
}

body[data-page="book"] .logo {
    font-family: 'Georgia', serif;
    font-weight: 700;
    font-size: 2rem;
    background: linear-gradient(135deg, var(--mystical-accent-gold) 0%, var(--mystical-accent-terracotta) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.05em;
    text-shadow: 0 0 20px rgba(212, 168, 83, 0.3);
}

body[data-page="book"] .tagline {
    font-family: 'Georgia', serif;
    font-style: italic;
    font-size: 1.1rem;
    color: var(--mystical-text-secondary);
    letter-spacing: 0.03em;
}

body[data-page="book"] nav {
    background: rgba(10, 14, 13, 0.95);
    border-bottom: 2px solid var(--mystical-border);
    backdrop-filter: blur(10px);
}

body[data-page="book"] nav a {
    color: var(--mystical-text-secondary);
    font-family: 'Georgia', serif;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    transition: all 0.3s ease;
    position: relative;
}

body[data-page="book"] nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--mystical-accent-gold);
    transition: width 0.3s ease;
}

body[data-page="book"] nav a:hover {
    color: var(--mystical-accent-gold);
}

body[data-page="book"] nav a:hover::after {
    width: 80%;
}

/* ============================================
   HERO SECTION
   ============================================ */
.book-hero {
    background: linear-gradient(135deg,
        rgba(45, 80, 22, 0.3) 0%,
        rgba(61, 115, 115, 0.25) 50%,
        rgba(196, 114, 60, 0.2) 100%);
    border: 2px solid var(--mystical-border);
    border-left: 5px solid var(--mystical-accent-gold);
    border-right: 5px solid var(--mystical-accent-terracotta);
    padding: 4rem 3rem;
    text-align: center;
    margin-bottom: 3rem;
    box-shadow:
        0 15px 50px rgba(0, 0, 0, 0.6),
        inset 0 1px 0 rgba(212, 168, 83, 0.2);
    position: relative;
    overflow: hidden;
}

/* Decorative corners */
.book-hero::before,
.book-hero::after {
    content: '';
    position: absolute;
    width: 100px;
    height: 100px;
    border: 2px solid var(--mystical-accent-gold);
    opacity: 0.2;
}

.book-hero::before {
    top: 20px;
    left: 20px;
    border-right: none;
    border-bottom: none;
}

.book-hero::after {
    bottom: 20px;
    right: 20px;
    border-left: none;
    border-top: none;
}

.book-cover-image {
    max-width: 400px;
    width: 100%;
    border-radius: 12px;
    box-shadow:
        0 12px 48px rgba(212, 175, 55, 0.4),
        0 0 60px rgba(196, 114, 60, 0.3),
        inset 0 0 20px rgba(0, 0, 0, 0.3);
    margin-bottom: 2rem;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    border: 3px solid var(--mystical-accent-gold);
}

.book-cover-image:hover {
    transform: scale(1.02) translateY(-5px);
    box-shadow:
        0 20px 60px rgba(212, 175, 55, 0.6),
        0 0 80px rgba(196, 114, 60, 0.5);
}

.book-hero h1 {
    font-family: 'Georgia', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--mystical-text-accent);
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(212, 168, 83, 0.5);
    letter-spacing: 0.02em;
}

.book-hero .book-author {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--mystical-text-primary);
}

.book-hero .book-genre {
    font-size: 1.1rem;
    color: var(--mystical-text-secondary);
    margin-bottom: 2rem;
    font-style: italic;
}

/* ============================================
   CARD SECTIONS
   ============================================ */
body[data-page="book"] .card {
    background: linear-gradient(135deg,
        var(--mystical-bg-card) 0%,
        rgba(26, 31, 30, 0.92) 100%);
    border: 2px solid var(--mystical-border);
    border-left: 4px solid var(--mystical-accent-forest);
    box-shadow:
        0 10px 40px var(--mystical-shadow),
        inset 0 1px 0 rgba(212, 168, 83, 0.1);
    padding: 3rem;
    margin-bottom: 2.5rem;
    position: relative;
}

body[data-page="book"] .card::before {
    content: '✦';
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 3rem;
    color: var(--mystical-accent-gold);
    opacity: 0.1;
}

body[data-page="book"] .card-title {
    font-family: 'Georgia', serif;
    font-size: 2rem;
    color: var(--mystical-accent-gold);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--mystical-accent-forest);
    position: relative;
}

body[data-page="book"] .card-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100px;
    height: 2px;
    background: var(--mystical-accent-terracotta);
}

body[data-page="book"] .card-content {
    color: var(--mystical-text-primary);
    line-height: 1.9;
}

body[data-page="book"] .card-content h3 {
    color: var(--mystical-text-accent);
    font-family: 'Georgia', serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    margin-top: 2rem;
    position: relative;
    padding-left: 2rem;
}

body[data-page="book"] .card-content h3::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--mystical-accent-terracotta);
    font-size: 1.2rem;
}

body[data-page="book"] .card-content h3:first-of-type {
    margin-top: 0;
}

body[data-page="book"] .card-content p {
    margin-bottom: 1.5rem;
    color: var(--mystical-text-primary);
    font-size: 1.1rem;
}

body[data-page="book"] .card-content strong {
    color: var(--mystical-accent-gold);
    font-weight: 700;
}

/* ============================================
   WORLD SECTION (For "Why I Wrote This Book")
   ============================================ */
body[data-page="book"] .world-section {
    background: linear-gradient(135deg,
        rgba(45, 80, 22, 0.2) 0%,
        rgba(26, 31, 30, 0.95) 100%);
    border: 2px solid var(--mystical-border);
    border-left: 5px solid var(--mystical-accent-forest);
    box-shadow:
        0 10px 40px var(--mystical-shadow),
        inset 0 0 30px rgba(45, 80, 22, 0.1);
    padding: 3rem;
    margin-bottom: 2.5rem;
}

body[data-page="book"] .world-header {
    text-align: center;
    margin-bottom: 2rem;
}

body[data-page="book"] .world-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 20px rgba(212, 168, 83, 0.4));
}

body[data-page="book"] .world-title {
    font-family: 'Georgia', serif;
    font-size: 2.2rem;
    color: var(--mystical-accent-gold);
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 10px rgba(212, 168, 83, 0.4);
}

body[data-page="book"] .world-subtitle {
    font-family: 'Georgia', serif;
    font-size: 1.2rem;
    color: var(--mystical-text-secondary);
    font-style: italic;
}

/* ============================================
   THEMES GRID
   ============================================ */
body[data-page="book"] .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

body[data-page="book"] .grid > div {
    background: linear-gradient(135deg,
        rgba(212, 175, 55, 0.1) 0%,
        rgba(45, 80, 22, 0.15) 100%);
    border: 2px solid var(--mystical-border);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

body[data-page="book"] .grid > div::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

body[data-page="book"] .grid > div:hover {
    transform: translateY(-5px);
    border-color: var(--mystical-accent-gold);
    box-shadow: 0 10px 30px rgba(212, 168, 83, 0.3);
}

body[data-page="book"] .grid > div:hover::before {
    opacity: 1;
}

body[data-page="book"] .grid h3 {
    color: var(--mystical-text-accent);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
    position: relative;
    z-index: 1;
}

body[data-page="book"] .grid p {
    color: var(--mystical-text-primary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ============================================
   BUTTONS
   ============================================ */
body[data-page="book"] .btn {
    background: linear-gradient(135deg,
        var(--mystical-accent-forest) 0%,
        var(--mystical-accent-teal) 100%);
    color: var(--mystical-text-primary);
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
    font-family: 'Georgia', serif;
    font-weight: 600;
    border: 2px solid var(--mystical-accent-gold);
    border-radius: 4px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(45, 80, 22, 0.4);
}

body[data-page="book"] .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(212, 168, 83, 0.3),
        transparent);
    transition: left 0.6s ease;
}

body[data-page="book"] .btn:hover {
    background: linear-gradient(135deg,
        var(--mystical-accent-gold) 0%,
        var(--mystical-accent-terracotta) 100%);
    border-color: var(--mystical-accent-terracotta);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(212, 168, 83, 0.5);
}

body[data-page="book"] .btn:hover::before {
    left: 100%;
}

/* ============================================
   FOOTER
   ============================================ */
body[data-page="book"] footer {
    background: linear-gradient(180deg,
        rgba(10, 14, 13, 0.95) 0%,
        rgba(26, 31, 30, 0.98) 100%);
    border-top: 3px solid var(--mystical-accent-forest);
    margin-top: 5rem;
    padding: 3rem 2rem;
    position: relative;
}

body[data-page="book"] footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--mystical-accent-gold) 25%,
        var(--mystical-accent-terracotta) 50%,
        var(--mystical-accent-gold) 75%,
        transparent 100%);
    opacity: 0.6;
}

body[data-page="book"] footer p {
    color: var(--mystical-text-secondary);
    font-family: 'Georgia', serif;
}

body[data-page="book"] footer a {
    color: var(--mystical-text-secondary);
    font-family: 'Georgia', serif;
    text-decoration: none;
    transition: color 0.3s ease;
}

body[data-page="book"] footer a:hover {
    color: var(--mystical-accent-gold);
}

/* ============================================
   AD SLOT
   ============================================ */
body[data-page="book"] .ad-slot {
    border: 1px solid var(--mystical-border);
    background: rgba(26, 31, 30, 0.5);
    border-radius: 8px;
    padding: 1.5rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    body[data-page="book"] .book-hero {
        padding: 3rem 1.5rem;
    }

    body[data-page="book"] .book-hero h1 {
        font-size: 2rem;
    }

    .book-cover-image {
        max-width: 300px;
    }

    body[data-page="book"] .card {
        padding: 2rem 1.5rem;
    }

    body[data-page="book"] .card-title {
        font-size: 1.6rem;
    }

    body[data-page="book"] .world-section {
        padding: 2rem 1.5rem;
    }

    body[data-page="book"] .world-title {
        font-size: 1.8rem;
    }

    body[data-page="book"] .grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    body[data-page="book"] .book-hero h1 {
        font-size: 1.6rem;
    }

    .book-cover-image {
        max-width: 250px;
    }

    body[data-page="book"] .btn {
        padding: 0.9rem 2rem;
        font-size: 1.1rem;
    }

    body[data-page="book"] .card-content {
        font-size: 1rem;
    }
}