/**
 * RSite — Chapter Page  v1.0
 * Depends on: base.css (variables, glass-card)
 *
 * Premium dark reading experience for chapter content.
 */

/*
   CHAPTER HEADER
*/

.chapter-header {
    padding: 0;
    margin-bottom: var(--space-lg);
    text-align: left;
}

.chapter-meta {
    font-size: 0.8em;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    letter-spacing: 0.03em;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.chapter-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.chapter-title {
    font-size: 2.2em;
    margin: 0;
    -webkit-text-fill-color: unset;
    background: none;
    color: var(--gold-accent);
    animation: none;
    letter-spacing: 0.01em;
}

/* Text body — keep readable, don't touch colors */
.chapter-content {
    line-height: 1.85;
    font-size: 1.05em;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

/* Section headings — gold accent + gold divider */
.chapter-content h1,
.chapter-content h2,
.chapter-content h3 {
    font-family: var(--font-heading);
    color: var(--gold-accent);
    font-size: 1.5em;
    margin: 2rem 0 1rem 0;
    padding-bottom: var(--space-sm);
    padding-left: 14px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.15);
    border-left: 2px solid transparent;
    position: relative;
    animation: headingFadeIn 0.6s var(--ease-out) both;
}

.chapter-content h1 {
    font-size: 1.85em;
}

.chapter-content h2 {
    font-size: 1.65em;
}

.chapter-content h3 {
    font-size: 1.45em;
}

/* Gold left border — appears after heading loads */
.chapter-content h1::before,
.chapter-content h2::before,
.chapter-content h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 3px;
    background: linear-gradient(180deg,
            var(--gold-accent) 0%,
            rgba(212, 175, 55, 0.15) 100%);
    opacity: 0;
    border-radius: 2px;
    animation: headingLineIn 0.8s var(--ease-out) 0.2s both;
}

@keyframes headingFadeIn {
    from {
        opacity: 0;
        transform: translateX(-6px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes headingLineIn {
    from {
        opacity: 0;
        transform: scaleY(0);
    }

    to {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* First header = chapter title — make it extra big regardless of tag */
.chapter-content>h1:first-child,
.chapter-content>h2:first-child,
.chapter-content>h3:first-child {
    font-size: 2.2em;
    border-bottom: none;
    margin-bottom: var(--space-md);
    margin-top: 0;
    letter-spacing: 0.01em;
}

/* Subtitle — a header following the title */
.chapter-content> :is(h1, h2, h3):first-child+ :is(h1, h2, h3) {
    font-size: 1.15em;
    color: var(--text-secondary);
    border-bottom: none;
    margin-top: 0;
    padding-bottom: var(--space-md);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.chapter-content p {
    margin: var(--space-lg) 0;
    text-align: justify;
    color: var(--text-primary);
}

.chapter-content strong {
    color: var(--gold-accent);
}

.chapter-content a {
    color: var(--gold-accent);
    text-decoration: none;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    transition: all var(--duration-fast) ease;
}

.chapter-content a:hover {
    color: var(--gold-light);
    border-bottom-color: var(--gold-light);
}

.chapter-content code {
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
}

.chapter-content pre {
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--space-lg) 0;
}

/* Callout blocks — premium gold accent */
.chapter-content blockquote {
    border-left: 3px solid var(--gold-accent);
    padding: var(--space-md) var(--space-lg);
    margin: var(--space-lg) 0;
    background: rgba(212, 175, 55, 0.04);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    box-shadow: inset 2px 0 8px rgba(212, 175, 55, 0.05);
}

.chapter-content blockquote p {
    color: var(--text-secondary);
    margin: 0;
}

/* Chapter footer — gold divider */
.chapter-footer {
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(212, 175, 55, 0.12);
    margin-top: var(--space-2xl);
}

/* Table of contents */
.toc-aside {
    margin-bottom: var(--space-lg);
    padding: var(--space-lg);
}

.toc-aside h3 {
    margin: 0 0 var(--space-md) 0;
}

.toc-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--duration-fast) ease;
    font-size: 0.95em;
}

.toc-link:hover {
    color: var(--gold-accent);
}

.toc-item {
    padding: 5px 0;
}

@media (max-width: 768px) {
    .glass-card {
        margin-left: -1px;
        margin-right: -1px;
    }

    .glass-card.p-50 {
        padding: 16px;
    }

    .chapter-content {
        font-size: 15px;
    }

    .chapter-content h3 {
        font-size: 1.3em;
    }

    .chapter-title {
        font-size: 1.6em;
    }

    .chapter-header .flex-between {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
}