/**
 * First chapter reader (kali-protocol-chapter-one.html)
 * Long-form fiction layout aligned to the blog article / dossier system.
 * No continuous motion; hover transitions inherit reduced-motion from base.
 */

.skip-link {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    z-index: calc(var(--z-nav-menu) + 1);
    padding: var(--space-3) var(--space-4);
    background: var(--color-primary);
    color: var(--color-text);
    font-family: var(--font-family-body);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    border-radius: var(--radius-button);
    transform: translateY(-200%);
    transition: transform var(--duration-fast) var(--ease-default);
}

.skip-link:focus,
.skip-link:focus-visible {
    transform: translateY(0);
    outline: 2px solid var(--color-text);
    outline-offset: 3px;
}

.chapter-page {
    padding: var(--space-8) var(--space-5) var(--space-10);
    background: var(--color-background);
}

.chapter-page__inner {
    /* Outer shell for header + CTA; manuscript uses its own measure below */
    max-width: 45rem;
    margin: 0 auto;
}

.chapter-page__back {
    margin: 0 0 var(--space-6);
}

.chapter-article {
    margin: 0;
}

.chapter-header {
    border-bottom: var(--border-width-sm) solid var(--color-border);
    padding-bottom: var(--space-5);
    margin-bottom: var(--space-7);
}

.chapter-header__series {
    margin: 0 0 var(--space-3);
    font-family: var(--font-family-body);
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-label);
    text-transform: uppercase;
    color: var(--color-secondary);
}

.chapter-header__book {
    margin: 0 0 var(--space-3);
    font-family: var(--font-family-display);
    font-size: clamp(1.75rem, 3vw, var(--font-size-article));
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-tight);
    line-height: var(--line-height-tight);
    color: var(--color-text);
}

.chapter-header__title {
    margin: 0;
    font-family: var(--font-family-display);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-wide);
    line-height: var(--line-height-body);
    color: var(--color-muted);
}

/* Manuscript - denser fiction typesetting (not blog-article spacing) */
.chapter-body {
    max-width: 42rem; /* 672px - within 650–680px reading measure */
    margin-inline: auto;
    background: var(--color-surface);
    padding: var(--space-7) var(--space-6);
    border: var(--border-width-sm) solid var(--color-border);
    border-left: var(--border-width-panel) solid var(--color-primary);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-panel);
    font-family: var(--font-family-body);
    font-size: 1.0625rem; /* 17px */
    line-height: 1.55;
    color: var(--color-text);
    min-height: var(--space-8);
}

.chapter-body > *:first-child {
    margin-top: 0;
}

.chapter-body > *:last-child {
    margin-bottom: 0;
}

.chapter-body p {
    margin: 0;
    font-size: inherit;
    line-height: inherit;
    text-indent: 1.5em;
}

.chapter-body > p:first-of-type,
.chapter-body h2 + p,
.chapter-body h3 + p,
.chapter-body hr + p,
.chapter-body .chapter-scene-break + p {
    text-indent: 0;
}

.chapter-body h2 {
    font-family: var(--font-family-display);
    color: var(--color-text);
    font-size: var(--font-size-xl);
    margin: var(--space-7) 0 var(--space-4);
    letter-spacing: var(--letter-spacing-tight);
    text-indent: 0;
}

.chapter-body h3 {
    font-family: var(--font-family-display);
    color: var(--color-text);
    font-size: var(--font-size-lg);
    margin: var(--space-6) 0 var(--space-3);
    letter-spacing: var(--letter-spacing-tight);
    text-indent: 0;
}

.chapter-body blockquote {
    border-left: var(--border-width-accent) solid var(--color-primary);
    padding-left: var(--space-5);
    margin: var(--space-5) 0;
    font-size: inherit;
    font-style: italic;
    color: var(--color-muted);
    text-indent: 0;
}

.chapter-body em {
    font-style: italic;
}

.chapter-body strong {
    font-weight: var(--font-weight-semibold);
}

.chapter-body hr,
.chapter-body .chapter-scene-break {
    border: 0;
    border-top: var(--border-width-sm) solid var(--color-border);
    margin: var(--space-7) auto;
    max-width: 3rem;
}

.chapter-body__code {
    text-indent: 0 !important;
    margin: var(--space-4) 0;
    text-align: center;
    letter-spacing: var(--letter-spacing-wide);
}

.chapter-body__code code {
    font-family: var(--font-family-mono), ui-monospace, monospace;
    font-size: var(--font-size-small);
    color: var(--color-secondary);
    background: transparent;
}

/* End-of-chapter conversion - restrained */
.chapter-continue {
    margin-top: var(--space-8);
    padding: var(--space-7) var(--space-6);
    background: var(--color-surface);
    border: var(--border-width-sm) solid var(--color-border);
    border-radius: var(--radius-card);
    text-align: center;
}

.chapter-continue__title {
    margin: 0 0 var(--space-4);
    font-family: var(--font-family-display);
    font-size: clamp(1.5rem, 3vw, var(--font-size-card-title));
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-tight);
    line-height: var(--line-height-tight);
    color: var(--color-text);
    text-align: center;
}

.chapter-continue__copy {
    margin: 0 auto var(--space-6);
    max-width: 32rem;
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-muted);
}

.chapter-continue__actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
}

.chapter-continue__purchase:empty {
    display: none;
}

@media (max-width: 768px) {
    .chapter-page {
        padding: var(--space-6) var(--space-4) var(--space-8);
    }

    .chapter-body {
        max-width: none;
        padding: var(--space-5) var(--space-4);
        font-size: var(--font-size-base); /* 16px */
        line-height: 1.55;
    }

    .chapter-body p {
        text-indent: 1.25em;
    }

    .chapter-body > p:first-of-type,
    .chapter-body hr + p,
    .chapter-body .chapter-scene-break + p {
        text-indent: 0;
    }

    .chapter-body hr,
    .chapter-body .chapter-scene-break {
        margin: var(--space-6) auto;
    }

    .chapter-continue {
        padding: var(--space-6) var(--space-5);
    }

    .chapter-continue__actions .btn {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .skip-link {
        transition: none;
    }
}