/* ==========================================================================
   THEME: CHIBI — ART-DIRECTED DIGITAL PUBLICATION
   "CONTENT -> COMPOSITION -> HIERARCHY -> TYPOGRAPHY -> COMPONENT"
   ========================================================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

/* --------------------------------------------------------------------------
   Container & Global Helpers
   -------------------------------------------------------------------------- */
.chibi-container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: 28px;
    padding-right: 28px;
}

.chibi-sep {
    color: var(--text-light);
    opacity: 0.6;
    margin: 0 4px;
}

.chibi-category-overline {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-strawberry);
    margin-bottom: 8px;
    transition: color 0.15s ease;
}

.chibi-category-overline:hover {
    color: var(--accent-strawberry-hover);
}

.chibi-byline-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: var(--text-light);
    flex-wrap: wrap;
}

.chibi-byline-bar strong {
    color: var(--text-muted);
    font-weight: 600;
}

/* Section Heading Group (Quiet Editorial Kicker + Title) */
.chibi-section-headline-group {
    margin: 64px 0 36px 0;
}

.chibi-section-kicker {
    display: block;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-strawberry);
    margin-bottom: 6px;
}

.chibi-section-main-title {
    font-family: var(--font-editorial);
    font-size: clamp(1.8rem, 3vw, 2.3rem);
    font-weight: 700;
    color: var(--text-heading);
    letter-spacing: -0.01em;
    line-height: 1.25;
}

/* Designed Image Fallback (Subtle Warm Duotone, Never Monospace or Gray) */
.chibi-intentional-fallback {
    width: 100%;
    height: 100%;
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, #F6EDE4 0%, #EFE3D6 50%, #F8EFE6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.chibi-intentional-fallback::before {
    content: '';
    position: absolute;
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, rgba(255, 107, 139, 0.07) 0%, transparent 60%);
    pointer-events: none;
}

.chibi-intentional-fallback span {
    font-family: var(--font-editorial);
    font-size: 0.95rem;
    font-style: italic;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    z-index: 1;
}

.chibi-fallback-sm {
    aspect-ratio: 16/10;
}

/* --------------------------------------------------------------------------
   Header & Floating Glass Navigation
   -------------------------------------------------------------------------- */
.chibi-ribbon {
    padding: 8px 0;
    font-size: 0.8125rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(255, 255, 255, 0.5);
}

.chibi-ribbon-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.chibi-ribbon-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--text-light);
}

.chibi-ribbon-tagline {
    font-weight: 500;
}

.chibi-ribbon-links {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chibi-ribbon-link {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: color 0.15s ease;
}

.chibi-ribbon-link:hover {
    color: var(--accent-strawberry);
}

.chibi-ribbon-link-music {
    color: var(--accent-strawberry);
}

/* Brand Header */
.chibi-header {
    padding: 24px 0 28px 0;
}

.chibi-brand-wrap {
    text-align: center;
    margin-bottom: 22px;
}

.chibi-brand {
    font-family: var(--font-heading);
    font-size: clamp(1.9rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-heading);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.chibi-brand-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    background: var(--accent-strawberry);
    border-radius: 50%;
}

/* Floating Glass Navigation Bar */
.chibi-nav-container {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-pill);
    padding: 5px 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-subtle);
    max-width: 860px;
    margin: 0 auto;
}

.chibi-nav-list {
    display: flex;
    list-style: none;
    gap: 4px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.chibi-nav-item a {
    display: inline-block;
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-main);
    border-radius: var(--radius-pill);
    transition: all 0.18s ease;
}

.chibi-nav-item a:hover,
.chibi-nav-item.active a {
    background: var(--accent-strawberry-light);
    color: var(--accent-strawberry);
}

.chibi-nav-music a {
    color: var(--accent-strawberry);
}

.chibi-mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-heading);
    cursor: pointer;
    padding: 8px 12px;
}

/* --------------------------------------------------------------------------
   Homepage: The Living Magazine Flow
   -------------------------------------------------------------------------- */
.chibi-magazine-flow {
    padding-bottom: 72px;
}

/* 1. The Cover Section (Grand Editorial Lead) */
.chibi-cover-section {
    padding: 24px 0 48px 0;
}

.chibi-cover-spread {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 48px;
    align-items: center;
}

.chibi-cover-lead {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chibi-cover-headline {
    font-family: var(--font-editorial);
    font-size: clamp(2.2rem, 4vw, 3.3rem);
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.02em;
    color: var(--text-heading);
}

.chibi-cover-headline a:hover {
    color: var(--accent-strawberry);
}

.chibi-cover-dek {
    font-size: 1.125rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 580px;
}

.chibi-cover-visual {
    width: 100%;
}

.chibi-cover-media-link {
    display: block;
    aspect-ratio: 16/10;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-subtle);
}

.chibi-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.chibi-cover-media-link:hover .chibi-cover-img {
    transform: scale(1.02);
}

/* 2. The Stories: Borderless Editorial Stream (Đọc Gì Hôm Nay) */
.chibi-stories-section {
    margin-bottom: 64px;
}

.chibi-editorial-stream {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
}

.chibi-stream-item {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.chibi-stream-media {
    display: block;
    aspect-ratio: 16/10;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-subtle);
}

.chibi-stream-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.chibi-stream-media:hover img {
    transform: scale(1.03);
}

.chibi-stream-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chibi-stream-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--text-heading);
}

.chibi-stream-title a:hover {
    color: var(--accent-strawberry);
}

.chibi-stream-dek {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.62;
}

/* 3. The Soundtrack: Atmospheric Musical Pause (Chương Lắng Đọng) */
.chibi-soundtrack-pause {
    background: var(--bg-soundtrack);
    color: var(--text-soundtrack);
    padding: 68px 0;
    margin: 64px 0;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.chibi-soundtrack-island {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 40px;
    align-items: center;
    max-width: 920px;
    margin: 0 auto;
}

.chibi-soundtrack-art-col {
    position: relative;
}

.chibi-soundtrack-artwork {
    width: 140px;
    height: 140px;
    border-radius: var(--radius-md);
    object-fit: cover;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.chibi-soundtrack-fallback-art {
    background: var(--bg-soundtrack-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-coral);
}

.chibi-soundtrack-content-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chibi-soundtrack-label {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-coral);
}

.chibi-soundtrack-headline {
    font-family: var(--font-editorial);
    font-size: clamp(1.6rem, 2.5vw, 2.2rem);
    font-weight: 700;
    color: #FFFFFF;
    line-height: 1.25;
}

.chibi-soundtrack-headline a {
    color: #FFFFFF;
}

.chibi-soundtrack-headline a:hover {
    color: var(--accent-coral);
}

.chibi-soundtrack-byline {
    font-size: 0.9375rem;
    color: var(--text-soundtrack-muted);
}

.chibi-soundtrack-verse {
    font-family: var(--font-editorial);
    font-style: italic;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.6;
}

.chibi-soundtrack-action-row {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 6px;
    flex-wrap: wrap;
}

.chibi-soundtrack-play-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 700;
    border-radius: var(--radius-pill);
    border: none;
    cursor: pointer;
    background: var(--accent-strawberry);
    color: #FFFFFF;
    box-shadow: var(--shadow-clay-button);
    transition: var(--transition-smooth);
}

.chibi-soundtrack-play-btn:hover {
    background: var(--accent-strawberry-hover);
    transform: translateY(-1px);
}

.chibi-soundtrack-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-soundtrack-muted);
}

.chibi-soundtrack-link:hover {
    color: #FFFFFF;
}

/* 4. Curated Editorial Features (Chuyên Đề Tuyển Chọn) */
.chibi-featured-section {
    margin-bottom: 64px;
}

.chibi-featured-composition {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
}

.chibi-feature-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.chibi-feature-media {
    display: block;
    aspect-ratio: 16/10;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-subtle);
}

.chibi-feature-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.chibi-feature-media:hover img {
    transform: scale(1.03);
}

.chibi-feature-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chibi-feature-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--text-heading);
}

.chibi-feature-title a:hover {
    color: var(--accent-strawberry);
}

.chibi-feature-dek {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.62;
}

/* 5. Signature Music Narrative Story (Câu Chuyện Âm Nhạc) */
.chibi-narrative-section {
    margin-bottom: 64px;
}

.chibi-narrative-spread {
    background: var(--bg-subtle);
    border-radius: var(--radius-md);
    padding: 44px 48px;
    border-left: 4px solid var(--accent-sky);
}

.chibi-narrative-header {
    max-width: 800px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.chibi-overline-accent {
    color: var(--accent-sky);
}

.chibi-narrative-title {
    font-family: var(--font-editorial);
    font-size: clamp(1.6rem, 2.5vw, 2.2rem);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-heading);
}

.chibi-narrative-dek {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.chibi-narrative-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 10px;
    flex-wrap: wrap;
    font-size: 0.875rem;
    color: var(--text-light);
}

.chibi-narrative-cta {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--accent-sky);
}

.chibi-narrative-cta:hover {
    text-decoration: underline;
}

/* 6. Discovery Hub */
.chibi-discovery-section {
    background: var(--bg-discovery);
    border-radius: var(--radius-lg);
    padding: 56px 36px;
    margin-bottom: 48px;
}

.chibi-discovery-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    max-width: 880px;
    margin: 0 auto;
}

.chibi-discovery-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    font-size: 0.9375rem;
    font-weight: 700;
    border-radius: var(--radius-pill);
    background: var(--bg-surface);
    color: var(--text-main);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-subtle);
    transition: all 0.2s ease;
}

.chibi-discovery-pill:hover {
    border-color: var(--accent-strawberry);
    color: var(--accent-strawberry);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.chibi-discovery-count {
    font-size: 0.8125rem;
    font-weight: 800;
    color: var(--accent-strawberry);
    opacity: 0.85;
}

/* --------------------------------------------------------------------------
   Article Page: Prioritize Quiet Reading & 2-Column Grid
   -------------------------------------------------------------------------- */
.chibi-article-wrapper {
    padding: 28px 0 80px 0;
}

.chibi-article-header {
    max-width: var(--lead-max);
    margin: 0 auto 36px auto;
    text-align: center;
}

.chibi-article-breadcrumb {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
}

.chibi-article-breadcrumb a:hover {
    color: var(--accent-strawberry);
}

.chibi-article-title {
    font-family: var(--font-editorial);
    font-size: clamp(2.2rem, 3.8vw, 3.2rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-heading);
    margin: 12px 0 20px 0;
}

.chibi-article-deck {
    font-family: var(--font-editorial);
    font-style: italic;
    font-size: 1.1875rem;
    line-height: 1.7;
    color: var(--text-muted);
    max-width: 720px;
    margin: 0 auto 24px auto;
    padding: 0 16px;
}

.chibi-article-byline-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: var(--text-light);
    flex-wrap: wrap;
}

.chibi-article-cover {
    max-width: 1040px;
    margin: 0 auto 48px auto;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-subtle);
}

.chibi-article-cover img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.chibi-article-cover figcaption {
    font-size: 0.8125rem;
    color: var(--text-light);
    text-align: center;
    padding: 10px 16px;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
}

/* Two-column Reading Layout: 680px Reading Column + 300px Quiet Sticky Rail */
.chibi-article-layout {
    display: grid;
    grid-template-columns: minmax(0, var(--article-measure)) 300px;
    gap: 64px;
    max-width: var(--article-layout-max);
    margin: 0 auto;
    align-items: start;
}

.chibi-article-main-column {
    min-width: 0;
}

.chibi-article-body {
    font-size: 1.125rem;
    line-height: 1.82;
    color: var(--text-main);
    word-break: break-word;
}

.chibi-article-body p {
    margin-bottom: 1.75rem;
}

.chibi-article-body h2 {
    font-family: var(--font-editorial);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-heading);
    margin: 2.8rem 0 1.2rem 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-subtle);
    line-height: 1.3;
}

.chibi-article-body h3 {
    font-family: var(--font-editorial);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-heading);
    margin: 2.2rem 0 1rem 0;
    line-height: 1.35;
}

.chibi-article-body blockquote {
    margin: 2.4rem 0;
    padding: 20px 28px;
    border-left: 3px solid var(--accent-strawberry);
    background: var(--bg-surface);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-family: var(--font-editorial);
    font-style: italic;
    font-size: 1.1875rem;
    color: var(--text-heading);
    line-height: 1.7;
}

.chibi-article-body ul, 
.chibi-article-body ol {
    margin: 1.4rem 0 1.8rem 1.6rem;
    padding-left: 8px;
}

.chibi-article-body li {
    margin-bottom: 0.65rem;
}

.chibi-article-body a {
    color: var(--accent-strawberry);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.chibi-article-body a:hover {
    color: var(--accent-strawberry-hover);
}

/* Mobile TOC Accordion (Hidden on Desktop) */
.chibi-mobile-toc-accordion {
    display: none;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    margin-bottom: 28px;
}

.chibi-mobile-toc-summary {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text-heading);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
}

.chibi-mobile-toc-summary::-webkit-details-marker {
    display: none;
}

.chibi-mobile-toc-nav {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px dashed var(--border-subtle);
}

.chibi-mobile-toc-nav ol {
    list-style-type: decimal;
    padding-left: 20px;
    font-size: 0.875rem;
    line-height: 1.7;
}

.chibi-mobile-toc-nav a {
    color: var(--text-muted);
}

.chibi-mobile-toc-nav a:hover {
    color: var(--accent-strawberry);
}

/* AEO Callouts (Editorial & Restrained) */
.chibi-aeo-direct-callout {
    background: var(--accent-mint-light);
    border-left: 4px solid var(--accent-mint);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 20px 24px;
    margin-bottom: 32px;
}

.chibi-aeo-kicker {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--accent-mint-hover);
    margin-bottom: 8px;
    letter-spacing: 0.08em;
}

.chibi-aeo-body {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--text-main);
}

.chibi-aeo-keyfacts-callout {
    background: var(--accent-strawberry-light);
    border-left: 4px solid var(--accent-strawberry);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 20px 24px;
    margin: 36px 0;
}

.chibi-aeo-keyfacts-kicker {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--accent-strawberry);
    margin-bottom: 8px;
    letter-spacing: 0.08em;
}

.chibi-aeo-keyfacts-body {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--text-main);
}

/* Inline Reading Music Moment ("Nghe Khi Đọc") */
.chibi-reading-music-moment {
    margin: 40px 0;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    box-shadow: var(--shadow-subtle);
}

.chibi-reading-music-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
}

.chibi-reading-music-art img,
.chibi-music-art-fallback {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.chibi-music-art-fallback {
    background: var(--bg-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.chibi-reading-music-info {
    flex: 1;
    min-width: 200px;
}

.chibi-reading-music-tag {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--accent-strawberry);
    text-transform: uppercase;
}

.chibi-reading-music-title {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-top: 2px;
}

.chibi-reading-music-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 20px;
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 700;
    border-radius: var(--radius-pill);
    border: none;
    cursor: pointer;
    background: var(--accent-strawberry);
    color: #FFFFFF;
    transition: var(--transition-smooth);
}

.chibi-reading-music-btn:hover {
    background: var(--accent-strawberry-hover);
}

/* Article Tags */
.chibi-article-tags {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px dashed var(--border-subtle);
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.chibi-tags-label {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--text-light);
}

.chibi-tag-item {
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
}

.chibi-tag-item:hover {
    border-color: var(--accent-strawberry);
    color: var(--accent-strawberry);
}

/* Author Signature Box */
.chibi-author-signature {
    margin-top: 48px;
    padding: 28px 32px;
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    display: flex;
    gap: 20px;
    align-items: center;
}

.chibi-author-avatar {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.chibi-author-bio-wrap {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.chibi-author-bio {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* Cross-Domain Suggestions (Đọc Tiếp) */
.chibi-reading-suggestions {
    margin-top: 56px;
    padding-top: 36px;
    border-top: 1px solid var(--border-subtle);
}

.chibi-suggestions-title {
    font-family: var(--font-editorial);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 24px;
}

.chibi-suggestions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.chibi-suggestion-card {
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: all 0.2s ease;
}

.chibi-suggestion-card:hover {
    border-color: var(--accent-strawberry);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.chibi-suggestion-badge {
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-strawberry);
}

.chibi-suggestion-heading {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-heading);
}

.chibi-suggestion-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Quiet Sticky Reading Rail (Desktop) */
.chibi-reading-rail {
    position: sticky;
    top: 96px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.chibi-sticky-toc-box {
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    padding: 20px 22px;
    max-height: calc(100vh - 160px);
    overflow-y: auto;
}

.chibi-toc-rail-title {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-subtle);
}

.chibi-toc-rail-list {
    list-style-type: decimal;
    padding-left: 18px;
    font-size: 0.8125rem;
    line-height: 1.68;
}

.chibi-toc-rail-link {
    color: var(--text-muted);
    transition: color 0.15s ease;
}

.chibi-toc-rail-link:hover {
    color: var(--accent-strawberry);
}

.chibi-rail-note {
    padding: 18px 20px;
    background: var(--bg-subtle);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
}

.chibi-rail-note-title {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.chibi-rail-note-desc {
    color: var(--text-muted);
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.chibi-footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
    padding: 64px 0 32px 0;
    margin-top: 72px;
}

.chibi-footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.chibi-footer-brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 12px;
}

.chibi-footer-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 380px;
}

.chibi-footer-col h4 {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-strawberry);
    margin-bottom: 16px;
}

.chibi-footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chibi-footer-col a {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
}

.chibi-footer-col a:hover {
    color: var(--accent-strawberry);
}

.chibi-footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 600;
    flex-wrap: wrap;
    gap: 10px;
}

.chibi-footer-motto {
    font-style: italic;
    color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Mobile & Responsive Architecture (Editorial Stream)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .chibi-cover-spread {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .chibi-editorial-stream,
    .chibi-featured-composition {
        grid-template-columns: repeat(2, 1fr);
    }
    .chibi-article-layout {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .chibi-reading-rail {
        display: none;
    }
    .chibi-mobile-toc-accordion {
        display: block;
    }
    .chibi-footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    .chibi-container {
        padding-left: 20px;
        padding-right: 20px;
    }
    .chibi-ribbon-content {
        justify-content: center;
        text-align: center;
    }
    .chibi-ribbon-tagline {
        display: none;
    }
    .chibi-mobile-toggle {
        display: block;
    }
    .chibi-nav-container {
        flex-direction: column;
        border-radius: var(--radius-md);
        padding: 8px 16px;
        align-items: stretch;
    }
    .chibi-nav-list {
        display: none;
        flex-direction: column;
        gap: 6px;
        margin-top: 12px;
        padding-top: 12px;
        border-top: 1px dashed var(--border-subtle);
    }
    .chibi-nav-container.is-open .chibi-nav-list {
        display: flex;
    }
    .chibi-editorial-stream,
    .chibi-featured-composition {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .chibi-soundtrack-island {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 24px;
    }
    .chibi-soundtrack-artwork {
        margin: 0 auto;
    }
    .chibi-soundtrack-action-row {
        justify-content: center;
    }
    .chibi-narrative-spread {
        padding: 28px 24px;
    }
    .chibi-author-signature {
        flex-direction: column;
        text-align: center;
        padding: 24px 20px;
    }
    .chibi-footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}