/* ==========================================================================
   Book Page Styles — Individual book with highlights
   Requires /styles.css as base
   ========================================================================== */

:root {
    --col-text: 660px;
}

html {
    font-size: 18px;
}

/* ── Book header ── */
.book-header {
    max-width: var(--col-text);
    margin: 0 auto;
    padding: 8rem 1.5rem var(--space-lg);
    animation: fadeUp 0.8s ease forwards;
}

.book-header-inner {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}

.book-cover {
    max-width: 200px;
    width: 100%;
    height: auto;
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.book-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.book-title {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    line-height: 1.15;
    margin-bottom: 0.3em;
}

.book-author {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--color-stone);
}

.book-author-link {
    color: var(--color-accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-fast);
}

.book-author-link:hover {
    border-bottom-color: var(--color-accent);
}

/* ── Stats bar ── */
.book-stats {
    max-width: var(--col-text);
    margin: 0 auto;
    padding: 1.4rem 1.5rem;
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    border-top: 1px solid var(--color-rule);
    border-bottom: 1px solid var(--color-rule);
}

.stat {
    text-align: center;
}

.stat-value {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.5rem;
    color: var(--color-ink);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.stat-label {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.72rem;
    color: var(--color-stone);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-top: 0.15rem;
}

/* ── Back link ── */
.back-link {
    display: block;
    font-family: var(--font-body);
    font-size: 0.88rem;
    color: var(--color-stone);
    text-decoration: none;
    max-width: var(--col-text);
    margin: 1.5rem auto 0;
    padding: 0 1.5rem;
    text-align: center;
}

.back-link:hover {
    color: var(--color-ink);
}

/* ── Tags ── */
.book-tags {
    max-width: var(--col-text);
    margin: var(--space-sm) auto 0;
    padding: 0 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.book-tag {
    font-family: var(--font-body);
    font-size: 0.75rem;
    padding: 0.3rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    color: var(--color-stone);
}

/* ── Synopsis ── */
.book-synopsis {
    max-width: var(--col-text);
    margin: var(--space-lg) auto 0;
    padding: 0 1.5rem;
    text-align: center;
}

.book-synopsis p {
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    font-size: 1.05rem;
    color: var(--color-ink-muted);
    line-height: 1.6;
}

/* ── Highlights section ── */
.highlights {
    max-width: var(--col-text);
    margin: var(--space-xl) auto 0;
    padding: 0 1.5rem;
}

.highlights-heading {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    color: var(--color-ink);
    letter-spacing: 0.005em;
    line-height: 1.25;
    margin-bottom: var(--space-lg);
    text-align: center;
}

.highlight {
    margin: 0 0 var(--space-lg);
    padding: 0 0 0 1.5rem;
    border-left: 3px solid var(--color-accent);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.78;
    color: var(--color-ink);
}

.highlight p {
    margin: 0;
    hanging-punctuation: first;
    hyphens: auto;
    -webkit-hyphens: auto;
}

.highlight-long {
    font-size: 0.92rem;
}

.highlight-divider {
    text-align: center;
    color: var(--color-rule);
    font-size: 1.2rem;
    margin: var(--space-lg) 0;
    letter-spacing: 0.5em;
}

/* ── Colophon ── */
.colophon {
    max-width: var(--col-text);
    margin: var(--space-2xl) auto 0;
    padding: 2rem 1.5rem 4rem;
    border-top: 1px solid var(--color-rule);
    text-align: center;
}

.colophon p {
    font-family: var(--font-body);
    font-size: 0.78rem;
    color: var(--color-stone);
    letter-spacing: 0.03em;
    line-height: 1.8;
}

.colophon .book-line {
    font-family: 'Cormorant', serif;
    font-style: italic;
    font-size: 0.88rem;
    color: var(--color-ink-muted);
    margin-bottom: 0.6rem;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    html { font-size: 17px; }

    .book-header { padding-top: 6rem; }

    .book-header-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .book-cover { max-width: 160px; }

    .book-stats { gap: 1.5rem; padding: 1.2rem 1.5rem; }
    .stat-value { font-size: 1.3rem; }

    .highlights { padding: 0 1.25rem; }
    .highlight { padding-left: 1.2rem; }
}

@media (max-width: 480px) {
    html { font-size: 16px; }

    .book-header { padding-top: 5rem; }
    .book-cover { max-width: 140px; }

    .book-stats { gap: 1rem; }
    .stat-value { font-size: 1.15rem; }
    .stat-label { font-size: 0.65rem; }

    .highlights { padding: 0 1rem; }
    .highlight { padding-left: 1rem; font-size: 0.95rem; }
}