/* ===================================================
   FREEREAD — Global Styles & Design System
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400;1,700&family=Inter:wght@300;400;500;600&family=Lora:ital,wght@0,400;0,600;1,400&display=swap');

/* ─── Design Tokens ─────────────────────────────── */
:root {
    --clr-bg:        #0d0f14;
    --clr-surface:   #13161d;
    --clr-card:      #1a1d27;
    --clr-border:    rgba(255,255,255,0.07);
    --clr-gold:      #c9a84c;
    --clr-gold-lt:   #e8c97a;
    --clr-text:      #e8e3d8;
    --clr-muted:     #8a8a9a;
    --clr-accent:    #c9a84c;
    --ff-serif:      'Playfair Display', Georgia, serif;
    --ff-reading:    'Lora', Georgia, serif;
    --ff-ui:         'Inter', system-ui, sans-serif;
    --radius-lg:     16px;
    --radius-xl:     24px;
    --shadow-card:   0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow:   0 0 40px rgba(201,168,76,0.15);
    --transition:    0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--ff-ui);
    background: var(--clr-bg);
    color: var(--clr-text);
    min-height: 100vh;
    line-height: 1.7;
    -webkit-user-select: none;
    user-select: none;
    overflow-x: hidden;
}

@media print { body { display: none !important; } }

img { -webkit-user-drag: none; pointer-events: none; }

/* ─── Scrollbar ─────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-gold); border-radius: 3px; }

/* ─── Toast ─────────────────────────────────────── */
#toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: linear-gradient(135deg, #b8860b, var(--clr-gold));
    color: #0d0f14;
    padding: 12px 28px;
    border-radius: 50px;
    font-family: var(--ff-ui);
    font-weight: 600;
    font-size: 0.85em;
    opacity: 0;
    pointer-events: none;
    z-index: 9999;
    box-shadow: 0 8px 24px rgba(201,168,76,0.4);
    transition: all 0.35s cubic-bezier(0.175,0.885,0.32,1.275);
    letter-spacing: 0.3px;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ─── NAVBAR ─────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
    height: 70px;
    background: rgba(13,15,20,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--clr-border);
}

.navbar-brand {
    font-family: var(--ff-serif);
    font-size: 1.5em;
    font-weight: 700;
    color: var(--clr-gold);
    text-decoration: none;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.navbar-brand .brand-icon { font-size: 1.2em; }

.navbar-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.navbar-links a {
    color: var(--clr-muted);
    text-decoration: none;
    font-size: 0.9em;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: color var(--transition);
}
.navbar-links a:hover { color: var(--clr-gold); }

/* ─── HERO ───────────────────────────────────────── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 24px;
    position: relative;
    background:
        radial-gradient(ellipse 80% 50% at 50% 20%, rgba(201,168,76,0.08) 0%, transparent 60%),
        var(--clr-bg);
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 80px, rgba(255,255,255,0.02) 80px, rgba(255,255,255,0.02) 81px),
        repeating-linear-gradient(90deg, transparent, transparent 80px, rgba(255,255,255,0.02) 80px, rgba(255,255,255,0.02) 81px);
    pointer-events: none;
}

.hero-content { position: relative; z-index: 1; max-width: 800px; }

.hero-tag {
    display: inline-block;
    background: rgba(201,168,76,0.12);
    color: var(--clr-gold);
    border: 1px solid rgba(201,168,76,0.3);
    border-radius: 50px;
    padding: 6px 18px;
    font-size: 0.8em;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero h1 {
    font-family: var(--ff-serif);
    font-size: clamp(2.8em, 6vw, 5em);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #ffffff 40%, var(--clr-gold-lt) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 1.15em;
    color: var(--clr-muted);
    max-width: 540px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #b8860b, var(--clr-gold));
    color: #0d0f14;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95em;
    padding: 14px 32px;
    border-radius: 50px;
    letter-spacing: 0.3px;
    box-shadow: 0 8px 24px rgba(201,168,76,0.3);
    transition: all var(--transition);
}
.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(201,168,76,0.45); }

.hero-scroll {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--clr-muted);
    font-size: 0.78em;
    letter-spacing: 1px;
    text-transform: uppercase;
    animation: bounce 2s ease-in-out infinite;
}
.hero-scroll span { font-size: 1.4em; }
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }

/* ─── SECTION HEADERS ───────────────────────────── */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-tag {
    display: inline-block;
    color: var(--clr-gold);
    font-size: 0.78em;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.section-title {
    font-family: var(--ff-serif);
    font-size: clamp(1.8em, 3.5vw, 2.8em);
    font-weight: 700;
    color: var(--clr-text);
    line-height: 1.2;
}
.section-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--clr-gold), transparent);
    margin: 16px auto 0;
}

/* ─── BOOKSHELF SECTION ─────────────────────────── */
.bookshelf-section {
    padding: 100px 24px;
    background: var(--clr-surface);
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
}

.shelf-wrap {
    max-width: 1000px;
    margin: 0 auto;
}

.shelf-unit {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 50px;
    padding: 40px 60px 0;
    position: relative;
}

/* Shelf plank */
.shelf-unit::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 20px;
    background: linear-gradient(180deg, #3b2a14, #2a1e0e);
    border-radius: 4px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.6), inset 0 2px 4px rgba(255,255,255,0.07);
}

.book-cover-item {
    position: relative;
    flex-shrink: 0;
    width: 180px;
    height: 270px;
    border-radius: 3px 8px 8px 3px;
    overflow: visible;
    text-decoration: none;
    transform-origin: bottom center;
    transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
    filter: drop-shadow(8px 4px 20px rgba(0,0,0,0.7));
    cursor: pointer;
    z-index: 1;
}

.book-cover-item:hover {
    transform: translateY(-28px) scale(1.06);
    filter: drop-shadow(16px 8px 30px rgba(0,0,0,0.8));
    z-index: 10;
}

.book-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 3px 8px 8px 3px;
    display: block;
}

/* Book spine illusion */
.book-cover-item::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 12px;
    background: linear-gradient(90deg, rgba(0,0,0,0.6), rgba(0,0,0,0.2));
    border-radius: 3px 0 0 3px;
    z-index: 2;
}

/* Tooltip card */
.book-tooltip {
    position: absolute;
    bottom: calc(100% + 30px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 260px;
    background: var(--clr-card);
    border: 1px solid rgba(201,168,76,0.25);
    color: var(--clr-text);
    padding: 20px;
    border-radius: var(--radius-lg);
    font-size: 0.88em;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5), var(--shadow-glow);
    pointer-events: none;
    line-height: 1.7;
    text-align: left;
    z-index: 100;
}
.book-tooltip .tooltip-title {
    font-family: var(--ff-serif);
    font-size: 1.05em;
    color: var(--clr-gold);
    font-weight: 700;
    margin-bottom: 8px;
    display: block;
}
.book-tooltip::after {
    content: '';
    position: absolute;
    top: 100%; left: 50%;
    transform: translateX(-50%);
    border: 10px solid transparent;
    border-top-color: var(--clr-card);
}
.book-cover-item:hover .book-tooltip {
    opacity: 1; visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.read-badge {
    display: inline-block;
    margin-top: 12px;
    background: rgba(201,168,76,0.15);
    color: var(--clr-gold);
    border: 1px solid rgba(201,168,76,0.3);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.78em;
    font-weight: 600;
}

/* ─── ALL BOOKS GRID ────────────────────────────── */
.books-grid-section {
    padding: 100px 24px;
    background: var(--clr-bg);
}

.books-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 32px;
}

.book-card {
    background: var(--clr-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.book-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card);
    border-color: rgba(201,168,76,0.2);
}

.book-card-cover {
    height: 280px;
    overflow: hidden;
    position: relative;
}
.book-card-cover img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.book-card:hover .book-card-cover img { transform: scale(1.05); }

.book-card-body { padding: 24px; flex-grow: 1; display: flex; flex-direction: column; }

.book-genre {
    font-size: 0.75em;
    color: var(--clr-gold);
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.book-card-title {
    font-family: var(--ff-serif);
    font-size: 1.4em;
    font-weight: 700;
    color: var(--clr-text);
    line-height: 1.3;
    margin-bottom: 12px;
}

.book-card-desc {
    font-size: 0.9em;
    color: var(--clr-muted);
    line-height: 1.7;
    flex-grow: 1;
    margin-bottom: 20px;
}

.book-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--clr-border);
}

.read-free-badge {
    background: rgba(201,168,76,0.12);
    color: var(--clr-gold);
    border: 1px solid rgba(201,168,76,0.25);
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 0.78em;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.read-cta {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--clr-text);
    font-size: 0.88em;
    font-weight: 500;
    transition: color var(--transition);
}
.book-card:hover .read-cta { color: var(--clr-gold); }
.read-cta-arrow { transition: transform var(--transition); }
.book-card:hover .read-cta-arrow { transform: translateX(4px); }

/* ─── AUTHOR SECTION ───────────────────────────── */
.author-section {
    padding: 100px 24px;
    background: var(--clr-surface);
    border-top: 1px solid var(--clr-border);
}

.author-inner {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 60px;
    align-items: center;
}

.author-photo-wrap {
    position: relative;
}

.author-photo-wrap::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--clr-gold), transparent 60%);
    z-index: 0;
}

.author-photo {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    position: relative;
    z-index: 1;
    border: 4px solid var(--clr-bg);
    margin: 3px;
}

.author-tag {
    display: inline-block;
    color: var(--clr-gold);
    font-size: 0.78em;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.author-name {
    font-family: var(--ff-serif);
    font-size: 2.5em;
    font-weight: 700;
    color: var(--clr-text);
    line-height: 1.2;
    margin-bottom: 20px;
}

.author-bio {
    font-family: var(--ff-reading);
    font-size: 1.05em;
    color: var(--clr-muted);
    line-height: 1.9;
    margin-bottom: 28px;
}

.author-stats {
    display: flex;
    gap: 32px;
}

.stat-item { text-align: center; }
.stat-number {
    font-family: var(--ff-serif);
    font-size: 2em;
    font-weight: 700;
    color: var(--clr-gold);
    display: block;
}
.stat-label {
    font-size: 0.8em;
    color: var(--clr-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

/* ─── FOOTER ────────────────────────────────────── */
.footer {
    background: #080a0e;
    border-top: 1px solid var(--clr-border);
    padding: 48px 24px;
    text-align: center;
}

.footer-brand {
    font-family: var(--ff-serif);
    font-size: 1.8em;
    color: var(--clr-gold);
    margin-bottom: 12px;
    display: block;
}
.footer-text { color: var(--clr-muted); font-size: 0.88em; }

/* ─── TOC PAGE ──────────────────────────────────── */
.page-wrap { max-width: 860px; margin: 0 auto; padding: 100px 24px 60px; }

.toc-hero {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 48px;
    align-items: start;
    margin-bottom: 64px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--clr-border);
}

.toc-book-cover {
    width: 200px;
    border-radius: 4px 12px 12px 4px;
    box-shadow: 20px 8px 40px rgba(0,0,0,0.7);
}

.toc-book-meta { padding-top: 8px; }
.toc-genre { color: var(--clr-gold); font-size: 0.8em; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 12px; }
.toc-title {
    font-family: var(--ff-serif);
    font-size: 2.4em;
    font-weight: 700;
    line-height: 1.15;
    color: var(--clr-text);
    margin-bottom: 12px;
}
.toc-author { color: var(--clr-muted); font-size: 1em; margin-bottom: 20px; }
.toc-desc { color: var(--clr-muted); font-family: var(--ff-reading); font-style: italic; line-height: 1.8; font-size: 1em; }

.toc-section-label {
    font-size: 0.78em;
    color: var(--clr-gold);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.chapter-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }

.chapter-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    background: var(--clr-card);
    border: 1px solid var(--clr-border);
    border-radius: 12px;
    text-decoration: none;
    color: var(--clr-text);
    font-family: var(--ff-ui);
    font-size: 0.95em;
    font-weight: 500;
    transition: all var(--transition);
}
.chapter-link:hover {
    background: rgba(201,168,76,0.07);
    border-color: rgba(201,168,76,0.3);
    color: var(--clr-gold);
    transform: translateX(6px);
}
.chapter-num {
    font-family: var(--ff-serif);
    color: var(--clr-gold);
    font-size: 0.85em;
    font-weight: 400;
    margin-right: 12px;
    min-width: 28px;
}
.chapter-link-arrow { color: var(--clr-muted); transition: transform var(--transition); }
.chapter-link:hover .chapter-link-arrow { transform: translateX(4px); color: var(--clr-gold); }

/* ─── READER PAGE ───────────────────────────────── */
.reader-page { background: #f4f0e8; color: #2c2825; }
.reader-page .navbar { background: rgba(244,240,232,0.9); border-bottom: 1px solid rgba(0,0,0,0.08); }
.reader-page .navbar-brand { color: #7a5c28; }
.reader-page .navbar-links a { color: #7a6a55; }
.reader-page .navbar-links a:hover { color: #7a5c28; }

.reader-wrap { max-width: 740px; margin: 0 auto; padding: 110px 48px 80px; }

.reader-book-info {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 28px;
    margin-bottom: 32px;
    border-bottom: 1px solid rgba(0,0,0,0.08);
}
.reader-book-title-sm { font-size: 0.85em; color: #7a6a55; font-weight: 500; }
.reader-sep { color: rgba(0,0,0,0.2); }
.reader-chapter-badge {
    background: rgba(122,92,40,0.1);
    color: #7a5c28;
    padding: 3px 12px;
    border-radius: 50px;
    font-size: 0.78em;
    font-weight: 600;
}

.chapter-heading {
    font-family: var(--ff-serif);
    font-size: 2.4em;
    font-weight: 700;
    line-height: 1.2;
    color: #1a1714;
    margin-bottom: 12px;
    text-align: center;
}
.chapter-subheading {
    font-family: var(--ff-reading);
    font-size: 1em;
    color: #8a7a6a;
    font-style: italic;
    text-align: center;
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(0,0,0,0.08);
}

.book-content p {
    font-family: var(--ff-reading);
    font-size: 1.18em;
    line-height: 2;
    color: #2c2825;
    margin-bottom: 28px;
    text-align: justify;
    text-indent: 2em;
}
.book-content p:first-of-type { text-indent: 0; }
.book-content p:first-of-type::first-letter {
    font-family: var(--ff-serif);
    font-size: 4.2em;
    font-weight: 700;
    float: left;
    line-height: 0.75;
    margin: 0.1em 0.1em 0 0;
    color: #7a5c28;
}

.book-protection { position: relative; }
.protection-layer {
    position: absolute; inset: 0;
    z-index: 10; opacity: 0;
    pointer-events: auto;
}

.reader-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 60px;
    padding-top: 32px;
    border-top: 1px solid rgba(0,0,0,0.08);
}
.reader-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: #2c2825;
    color: #f4f0e8;
    border-radius: 50px;
    text-decoration: none;
    font-size: 0.88em;
    font-weight: 600;
    transition: all var(--transition);
}
.reader-nav-btn:hover { background: #7a5c28; }
.reader-nav-btn.disabled { background: rgba(0,0,0,0.08); color: #bbb; pointer-events: none; }

.reader-progress {
    height: 3px;
    background: rgba(0,0,0,0.08);
    position: fixed;
    top: 70px; left: 0; right: 0;
    z-index: 999;
}
.reader-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #7a5c28, #c9a84c);
    width: 0%;
    transition: width 0.1s;
}

/* ─── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 900px) {
    .author-inner { grid-template-columns: 1fr; text-align: center; }
    .author-photo-wrap { margin: 0 auto; width: fit-content; }
    .author-stats { justify-content: center; }
    .toc-hero { grid-template-columns: 1fr; }
    .toc-book-cover { margin: 0 auto; }
}

@media (max-width: 680px) {
    .navbar { padding: 0 20px; }
    .navbar-links { display: none; }
    .shelf-unit { gap: 20px; }
    .book-cover-item { width: 120px; height: 180px; }
    .reader-wrap { padding: 100px 24px 60px; }
}