/* ============================================
   MAGNIFICA HUMANITAS — Premium Encyclical Styles
   ============================================ */

/* === CSS Custom Properties === */
:root {
  /* Colors — Light Theme */
  --bg-primary: #faf6ee;
  --bg-secondary: #f4edd9;
  --bg-card: #ffffff;
  --text-primary: #2c221e;
  --text-secondary: #5c4e46;
  --text-muted: #8c7c72;
  --accent-gold: #b8860b;
  --accent-gold-light: #d4a942;
  --accent-gold-glow: rgba(184, 134, 11, 0.15);
  --accent-burgundy: #6b1d2e;
  --accent-burgundy-light: #8b2d3e;
  --border-light: rgba(184, 134, 11, 0.15);
  --border-medium: rgba(184, 134, 11, 0.25);
  --shadow-sm: 0 1px 3px rgba(44, 36, 32, 0.06);
  --shadow-md: 0 4px 16px rgba(44, 36, 32, 0.08);
  --shadow-lg: 0 8px 32px rgba(44, 36, 32, 0.12);
  --hero-bg: linear-gradient(135deg, #6b1d2e 0%, #4a1520 40%, #2c1018 100%);
  --hero-text: #faf6ee;
  --header-bg: rgba(250, 246, 238, 0.94);
  --header-border: rgba(184, 134, 11, 0.12);
  --toc-bg: #faf6ee;
  --progress-bg: rgba(184, 134, 11, 0.08);
  --paragraph-hover: rgba(184, 134, 11, 0.04);
  --scrollbar-thumb: rgba(184, 134, 11, 0.25);
  --scrollbar-track: transparent;
  --footer-bg: #2c1018;
  --footer-text: #d4c5b9;
  
  /* Typography */
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Sizing */
  --content-max-width: 720px;
  --header-height: 64px;
  --reading-progress-height: 3px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-medium: 300ms ease;
  --transition-slow: 500ms ease;
}

/* === Dark Theme === */
[data-theme="dark"] {
  --bg-primary: #14110f;
  --bg-secondary: #1f1b18;
  --bg-card: #26211d;
  --text-primary: #ebdcd0;
  --text-secondary: #bcac9f;
  --text-muted: #8c7c71;
  --accent-gold: #d4a942;
  --accent-gold-light: #e8c36a;
  --accent-gold-glow: rgba(212, 169, 66, 0.12);
  --accent-burgundy: #c44d60;
  --accent-burgundy-light: #d4677a;
  --border-light: rgba(212, 169, 66, 0.1);
  --border-medium: rgba(212, 169, 66, 0.2);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --hero-bg: linear-gradient(135deg, #3d1020 0%, #2a0c16 40%, #1a0810 100%);
  --hero-text: #ebdcd0;
  --header-bg: rgba(20, 17, 15, 0.96);
  --header-border: rgba(212, 169, 66, 0.08);
  --toc-bg: #1f1b18;
  --progress-bg: rgba(212, 169, 66, 0.06);
  --paragraph-hover: rgba(212, 169, 66, 0.04);
  --scrollbar-thumb: rgba(212, 169, 66, 0.3);
  --footer-bg: #0f0a08;
  --footer-text: #887a70;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-medium), color var(--transition-medium);
  overflow-x: hidden;
}

::selection {
  background: var(--accent-gold-glow);
  color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold);
}

/* === Reading Progress Bar === */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--reading-progress-height);
  background: var(--progress-bg);
  z-index: 1001;
}

.reading-progress__bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-light));
  transition: width 50ms linear;
  border-radius: 0 2px 2px 0;
}

/* === Site Header === */
.site-header {
  position: fixed;
  top: var(--reading-progress-height);
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--header-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--header-border);
  z-index: 1000;
  transition: background-color var(--transition-medium), border-color var(--transition-medium);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.papal-cross {
  font-size: 1.5rem;
  color: var(--accent-gold);
  line-height: 1;
}

.header-titles {
  display: flex;
  flex-direction: column;
}

.header-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.header-subtitle {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 500;
  line-height: 1.4;
}

.header-chapter-indicator {
  color: var(--accent-gold);
  margin-right: 4px;
  font-weight: bold;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* === Language Selector === */
.lang-selector {
  display: flex;
  gap: 2px;
  background: var(--bg-secondary);
  border-radius: 10px;
  padding: 3px;
  border: 1px solid var(--border-light);
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px 8px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.lang-btn:hover {
  color: var(--text-primary);
  background: var(--accent-gold-glow);
}

.lang-btn.active {
  color: var(--accent-gold);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}

.lang-flag {
  font-size: 0.9rem;
  line-height: 1;
}

.lang-name {
  letter-spacing: 0.04em;
}

/* === Bookmark, Share & Font Buttons === */
.bookmark-toggle, .share-btn, .font-toggle, .about-toggle {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-light);
  background: var(--bg-secondary);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.bookmark-toggle:hover, .share-btn:hover, .font-toggle:hover, .about-toggle:hover {
  border-color: var(--accent-gold);
  background: var(--accent-gold-glow);
  transform: scale(1.05);
}

.font-toggle span {
  font-family: var(--font-display);
  font-weight: bold;
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1;
}

/* === Resume Reading Banner === */
.resume-banner {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  z-index: 1200;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--accent-gold);
  border-radius: 16px;
  padding: 4px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25), 0 0 0 1px var(--accent-gold-glow);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: calc(100vw - 32px);
}

.resume-banner.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.resume-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border: none;
  background: linear-gradient(135deg, var(--accent-burgundy), var(--accent-burgundy-light));
  color: #faf8f4;
  border-radius: 12px;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.resume-btn:hover {
  filter: brightness(1.15);
  transform: scale(1.02);
}

.resume-icon {
  font-size: 1.1rem;
}

.resume-text {
  letter-spacing: 0.02em;
}

.resume-dismiss {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.resume-dismiss:hover {
  color: var(--accent-burgundy);
  background: rgba(107, 29, 46, 0.1);
}

/* === Bookmark Toast === */
.bookmark-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 1300;
  background: var(--accent-gold);
  color: #1a1412;
  padding: 10px 24px;
  border-radius: 12px;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(184, 134, 11, 0.3);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.bookmark-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* === Theme Toggle === */
.theme-toggle {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-light);
  background: var(--bg-secondary);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  border-color: var(--accent-gold);
  background: var(--accent-gold-glow);
}

.theme-icon {
  position: absolute;
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.theme-icon--dark {
  transform: translateY(30px);
  opacity: 0;
}

[data-theme="dark"] .theme-icon--light {
  transform: translateY(-30px);
  opacity: 0;
}

[data-theme="dark"] .theme-icon--dark {
  transform: translateY(0);
  opacity: 1;
}

/* === TOC Toggle === */
.toc-toggle {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-light);
  background: var(--bg-secondary);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.toc-toggle:hover {
  border-color: var(--accent-gold);
  background: var(--accent-gold-glow);
  color: var(--accent-gold);
}

/* === Table of Contents Sidebar === */
.toc-sidebar {
  position: fixed;
  top: 0;
  right: -380px;
  width: 360px;
  max-width: 85vw;
  height: 100vh;
  background: var(--toc-bg);
  border-left: 1px solid var(--border-light);
  z-index: 1100;
  transition: right var(--transition-medium) cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}

.toc-sidebar.open {
  right: 0;
}

.toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}

.toc-header h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.toc-close {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg-secondary);
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.toc-close:hover {
  color: var(--accent-burgundy);
  background: rgba(107, 29, 46, 0.1);
}

.toc-nav {
  flex: 1;
  overflow-y: auto;
  padding: 16px 0;
}

.toc-section {
  padding: 0;
}

.toc-section-title {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 12px 24px 6px;
}

.toc-link {
  display: block;
  padding: 6px 24px;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
}

.toc-link:hover {
  color: var(--accent-gold);
  background: var(--accent-gold-glow);
  border-left-color: var(--accent-gold);
}

.toc-link.active {
  color: var(--accent-gold);
  font-weight: 500;
  border-left-color: var(--accent-gold);
}

.toc-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1050;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-medium);
}

.toc-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

/* === Hero Section === */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: calc(var(--header-height) + var(--reading-progress-height));
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: var(--hero-bg);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(184, 134, 11, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(184, 134, 11, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 40%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 60px 24px;
  max-width: 800px;
  animation: heroFadeIn 1.2s ease-out;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-cross {
  font-size: 2.5rem;
  color: var(--accent-gold);
  margin-bottom: 32px;
  opacity: 0.8;
  animation: crossGlow 4s ease-in-out infinite alternate;
}

@keyframes crossGlow {
  from { opacity: 0.5; text-shadow: 0 0 20px rgba(184, 134, 11, 0.2); }
  to { opacity: 0.9; text-shadow: 0 0 40px rgba(184, 134, 11, 0.4); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  color: var(--hero-text);
  letter-spacing: 0.08em;
  line-height: 1.15;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-family: var(--font-ui);
  font-size: clamp(0.85rem, 1.5vw, 1.05rem);
  color: var(--accent-gold-light);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 500;
  margin-bottom: 20px;
}

.hero-desc {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: rgba(250, 248, 244, 0.7);
  line-height: 1.7;
  font-style: italic;
  max-width: 600px;
  margin: 0 auto 32px;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
}

.hero-meta-item {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: rgba(250, 248, 244, 0.5);
  letter-spacing: 0.05em;
}

.hero-meta-sep {
  color: var(--accent-gold);
  opacity: 0.5;
}

.hero-scroll {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--accent-gold-light);
  text-decoration: none;
  transition: all var(--transition-medium);
}

.hero-scroll:hover {
  color: var(--accent-gold);
  transform: translateY(4px);
}

.hero-scroll-text {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
}

.hero-scroll-arrow {
  font-size: 1.3rem;
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* === Main Content === */
.main-content {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 64px 24px 120px;
}

/* === Loading State === */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  gap: 24px;
}

.loading-state.hidden {
  display: none;
}

.loading-spinner {
  position: relative;
  width: 48px;
  height: 48px;
}

.spinner-ring {
  position: absolute;
  inset: 0;
  border: 2px solid var(--border-light);
  border-top-color: var(--accent-gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner-cross {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent-gold);
}

.loading-text {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* === Encyclical Text === */
.encyclical-text {
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.encyclical-text.loaded {
  opacity: 1;
}

.paragraph-block {
  position: relative;
  padding: 20px 0 20px 56px;
  border-bottom: 1px solid var(--border-light);
  transition: background-color var(--transition-fast);
  animation: paragraphFadeIn 0.4s ease-out both;
}

.paragraph-block:last-child {
  border-bottom: none;
}

.paragraph-block:hover {
  background-color: var(--paragraph-hover);
}

.paragraph-number {
  position: absolute;
  left: 0;
  top: 22px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-gold);
  width: 44px;
  text-align: right;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
  user-select: none;
}

.paragraph-block:hover .paragraph-number {
  opacity: 1;
}

.paragraph-text {
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--text-primary);
  text-align: left;
  letter-spacing: -0.005em;
  transition: color var(--transition-medium);
}

@keyframes paragraphFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === Ad Containers === */
.ad-container {
  max-width: var(--content-max-width);
  margin: 32px auto;
  padding: 0 24px;
  text-align: center;
}

/* === Back to Top === */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-medium);
  background: var(--bg-card);
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--accent-gold);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all var(--transition-medium);
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--accent-gold);
  color: white;
  border-color: var(--accent-gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* === Footer === */
.site-footer {
  background: var(--footer-bg);
  padding: 48px 24px;
  text-align: center;
}

.footer-inner {
  max-width: 600px;
  margin: 0 auto;
}

.footer-cross {
  font-size: 1.5rem;
  color: var(--accent-gold);
  opacity: 0.4;
  margin-bottom: 16px;
}

.footer-text {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--footer-text);
  margin-bottom: 8px;
}

.footer-source {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--footer-text);
  opacity: 0.6;
  margin-bottom: 12px;
}

.footer-source a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.footer-source a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.footer-copyright {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--footer-text);
  opacity: 0.5;
}

/* === Inline Ad Containers === */
.ad-container--inline {
  max-width: var(--content-max-width);
  margin: 24px auto;
  padding: 16px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  min-height: 0;
}

.ad-container--top,
.ad-container--bottom {
  max-width: var(--content-max-width);
  margin: 16px auto;
  padding: 0 24px;
  min-height: 0;
}

/* === TOC Link — Full chapter titles === */
.toc-link {
  display: block;
  padding: 10px 24px;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
  line-height: 1.5;
}

/* === Responsive Design === */
@media (max-width: 768px) {
  :root {
    --header-height: 56px;
  }

  .header-brand {
    gap: 8px;
  }

  .header-title {
    font-size: 0.95rem;
  }

  .header-subtitle {
    display: none;
  }

  .lang-selector {
    gap: 1px;
    padding: 2px;
  }

  .lang-btn {
    padding: 4px 5px;
    font-size: 0.68rem;
  }

  .lang-flag {
    font-size: 0.8rem;
  }

  .lang-name {
    display: none;
  }

  .theme-toggle,
  .toc-toggle,
  .bookmark-toggle,
  .share-btn,
  .font-toggle {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
  }

  .hero {
    min-height: 70vh;
  }

  .hero-content {
    padding: 40px 20px;
  }

  .hero-cross {
    font-size: 2rem;
    margin-bottom: 24px;
  }

  .hero-desc {
    font-size: 0.95rem;
  }

  .main-content {
    padding: 40px 16px 80px;
  }

  .paragraph-block {
    padding: 16px 0 16px 40px;
  }

  .paragraph-number {
    font-size: 0.95rem;
    width: 32px;
    top: 18px;
  }

  .paragraph-text {
    font-size: 1rem;
    line-height: 1.75;
    text-align: left;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 480px) {
  .papal-cross {
    display: none;
  }

  .header-title {
    font-size: 0.85rem;
  }

  .lang-btn {
    padding: 3px 4px;
  }

  .hero {
    min-height: 60vh;
  }

  .paragraph-block {
    padding: 14px 0 14px 32px;
  }

  .paragraph-number {
    width: 26px;
    font-size: 0.85rem;
  }
}

/* === Print Styles === */
@media print {
  .site-header,
  .reading-progress,
  .toc-sidebar,
  .toc-overlay,
  .back-to-top,
  .lang-selector,
  .theme-toggle,
  .toc-toggle,
  .ad-container,
  .hero {
    display: none !important;
  }

  body {
    font-size: 11pt;
    line-height: 1.6;
    color: #000;
    background: #fff;
  }

  .main-content {
    max-width: 100%;
    padding: 0;
    margin-top: 0;
  }

  .paragraph-block {
    break-inside: avoid;
    page-break-inside: avoid;
    border-bottom-color: #ddd;
  }

  .paragraph-text {
    font-size: 11pt;
  }
}

/* === Paragraph Actions === */
.paragraph-actions {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  gap: 6px;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  pointer-events: none;
}

.paragraph-block:hover .paragraph-actions {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.para-action-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border-light);
  background: var(--bg-card);
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.para-action-btn:hover {
  border-color: var(--accent-gold);
  background: var(--accent-gold-glow);
  color: var(--accent-gold);
  transform: scale(1.1);
}

/* === Selection Share Popup === */
.selection-share-popup {
  position: absolute;
  z-index: 1500;
  opacity: 0;
  transform: translateY(10px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.selection-share-popup.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.selection-share-btn {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--accent-gold);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: 20px;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--accent-gold-glow);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.selection-share-btn:hover {
  background: var(--accent-gold);
  color: #1a1412;
  transform: scale(1.05);
}

/* === Typography Toggle Style === */
body.font-serif {
  font-family: 'Crimson Pro', Georgia, 'Times New Roman', serif;
}

body.font-serif .paragraph-text {
  font-family: 'Crimson Pro', Georgia, 'Times New Roman', serif;
  font-size: 1.15rem;
  line-height: 1.85;
  letter-spacing: 0.01em;
  color: var(--text-primary);
}

body.font-serif .hero-desc {
  font-family: 'Crimson Pro', Georgia, 'Times New Roman', serif;
  font-size: 1.25rem;
}

.font-toggle.active {
  border-color: var(--accent-gold);
  background: var(--accent-gold-glow);
}

.font-toggle.active span {
  color: var(--accent-gold);
}

/* === Discrete Citation & Lexicon links === */
.citation-link, .lexicon-link {
  color: inherit; /* Blend 100% with the surrounding text color! */
  text-decoration: none;
  border-bottom: 1px dotted var(--border-medium); /* Faint gold dotted underline */
  font-weight: inherit; /* Blend naturally without bolding */
  transition: all var(--transition-fast);
  cursor: help;
}

.citation-link:hover, .lexicon-link:hover {
  color: var(--accent-gold);
  border-bottom: 1px solid var(--accent-gold);
  background: var(--accent-gold-glow);
}

/* === Academic Popover Card === */
.popover-card {
  position: absolute;
  width: 290px;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--accent-gold-glow);
  z-index: 1400;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.popover-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.popover-close {
  position: absolute;
  top: 8px;
  right: 12px;
  background: transparent;
  border: none;
  font-size: 1.2rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

.popover-close:hover {
  color: var(--accent-burgundy);
}

.popover-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 8px;
}

.popover-cross {
  font-size: 1.2rem;
  color: var(--accent-gold);
  line-height: 1;
}

.popover-titles {
  display: flex;
  flex-direction: column;
}

.popover-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.popover-meta {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.popover-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.popover-text {
  font-family: var(--font-body);
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--text-secondary);
}

.popover-btn {
  align-self: flex-start;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-burgundy);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all var(--transition-fast);
}

.popover-btn:hover {
  border-bottom-color: var(--accent-burgundy);
}

/* === Scholarly Footnotes & Period Translations === */
.paragraph-footnote {
  font-size: 0.88em;
  font-style: italic;
  color: var(--text-muted);
  opacity: 0.85;
}

.paragraph-footnote .citation-link {
  color: var(--accent-gold);
  border-bottom-style: solid;
  font-weight: 500;
}

.popover-translations-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-top: 1px solid var(--border-light);
  padding-top: 10px;
}

.popover-translations-label {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.popover-translations-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.popover-lang-link {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-burgundy);
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  padding: 3px 8px;
  border-radius: 6px;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.popover-lang-link:hover {
  color: #faf6ee;
  background: var(--accent-burgundy);
  border-color: var(--accent-burgundy);
  transform: scale(1.05);
}

[data-theme="dark"] .popover-lang-link:hover {
  color: #14110f;
  background: var(--accent-gold);
  border-color: var(--accent-gold);
}

/* ==========================================================================
   MAGNIFICA HUMANITAS — About Menu, Banners, Historical & Thematic Tree Styles
   ========================================================================== */

/* === Info Banner === */
.info-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--accent-gold);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-md);
  animation: bannerSlideIn 0.5s ease-out;
  position: relative;
  overflow: hidden;
}

@keyframes bannerSlideIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.info-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-gold);
}

.info-banner__cross {
  font-size: 1.5rem;
  color: var(--accent-gold);
  line-height: 1;
}

.info-banner__content {
  flex: 1;
}

.info-banner__content strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.info-banner__content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.info-banner__btn {
  padding: 8px 16px;
  background: var(--accent-burgundy);
  color: #faf8f4;
  border: none;
  border-radius: 8px;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.info-banner__btn:hover {
  background: var(--accent-burgundy-light);
  transform: scale(1.03);
}

.info-banner__close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
  line-height: 1;
}

.info-banner__close:hover {
  color: var(--accent-burgundy);
}

/* === About Modal === */
.about-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.about-modal.visible {
  display: flex;
}

.about-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 17, 15, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-medium);
}

.about-modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.about-modal__dialog {
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: 20px;
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modalZoomIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalZoomIn {
  from { opacity: 0; transform: scale(0.9) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.about-modal__header {
  background: var(--hero-bg);
  padding: 24px 32px;
  color: var(--hero-text);
  position: relative;
}

.about-modal__cross {
  font-size: 1.5rem;
  color: var(--accent-gold-light);
  display: block;
  margin-bottom: 8px;
  line-height: 1;
}

.about-modal__title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.2;
}

.about-modal__subtitle {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-gold-light);
}

.about-modal__close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: var(--hero-text);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.about-modal__close:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--accent-gold-light);
}

/* Modal Tabs */
.about-modal__tabs {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  padding: 4px 16px 0;
  gap: 4px;
}

.about-tab-btn {
  padding: 12px 16px;
  border: none;
  background: transparent;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all var(--transition-fast);
}

.about-tab-btn:hover {
  color: var(--text-primary);
  background: var(--paragraph-hover);
}

.about-tab-btn.active {
  color: var(--accent-burgundy);
  border-bottom-color: var(--accent-burgundy);
}

[data-theme="dark"] .about-tab-btn.active {
  color: var(--accent-gold);
  border-bottom-color: var(--accent-gold);
}

/* Modal Body */
.about-modal__body {
  flex: 1;
  overflow-y: auto;
  padding: 32px;
}

.about-tab-content {
  display: none;
}

.about-tab-content.active {
  display: block;
}

.about-section h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 8px;
}

.about-section h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-primary);
  margin: 24px 0 12px;
}

.about-section p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}

.about-section ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.about-section li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* Symbol list for flags */
.symbol-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 20px;
  margin: 24px 0;
}

.symbol-list {
  list-style: none;
  padding-left: 0 !important;
  margin-bottom: 0 !important;
}

.symbol-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px !important;
  font-size: 0.88rem !important;
}

.symbol-list li:last-child {
  margin-bottom: 0 !important;
}

.symbol-icon {
  font-size: 1.5rem;
  line-height: 1;
  background: var(--bg-card);
  padding: 6px;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

/* Historical Cards */
.historical-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.historical-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.historical-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.historical-card__year {
  background: var(--accent-burgundy);
  color: #faf8f4;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
}

[data-theme="dark"] .historical-card__year {
  background: var(--accent-gold);
  color: #1a1412;
}

.historical-card h4 {
  margin: 0 !important;
  font-size: 1.05rem !important;
}

.historical-card p {
  margin-bottom: 8px !important;
  font-size: 0.88rem !important;
}

.historical-card p:last-child {
  margin-bottom: 0 !important;
  border-top: 1px dashed var(--border-light);
  padding-top: 8px;
  margin-top: 8px;
}

/* Thematic Tree (Arborescence) */
.thematic-tree {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px 0;
  position: relative;
}

.thematic-tree::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 20px;
  width: 2px;
  bottom: 40px;
  background: var(--border-medium);
  z-index: 0;
}

.tree-node {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 1;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tree-node:hover {
  border-color: var(--accent-gold);
  background: var(--accent-gold-glow);
  transform: translateX(4px);
}

.tree-node--root {
  background: var(--bg-secondary);
  border-color: var(--accent-gold);
}

.node-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gold-glow);
  color: var(--accent-gold);
  border-radius: 50%;
  font-weight: bold;
}

.node-number {
  width: 42px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 6px;
  border: 1px solid var(--border-light);
  flex-shrink: 0;
}

.node-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.node-content strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text-primary);
}

.node-content span {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.3;
  margin-top: 2px;
}

.node-meta {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Info banner responsive */
@media (max-width: 600px) {
  .info-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .info-banner__close {
    position: absolute;
    top: 12px;
    right: 12px;
  }
  
  .about-modal {
    padding: 12px;
  }
  
  .about-modal__body {
    padding: 20px;
  }
  
  .about-modal__tabs {
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 4px;
  }
}

/* ==========================================================================
   MAGNIFICA HUMANITAS — About Menu, Banners, Historical & Thematic Tree Styles
   ========================================================================== */

/* === Info Banner === */
.info-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--accent-gold);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-md);
  animation: bannerSlideIn 0.5s ease-out;
  position: relative;
  overflow: hidden;
}

@keyframes bannerSlideIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.info-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-gold);
}

.info-banner__cross {
  font-size: 1.5rem;
  color: var(--accent-gold);
  line-height: 1;
}

.info-banner__content {
  flex: 1;
}

.info-banner__content strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.info-banner__content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.info-banner__btn {
  padding: 8px 16px;
  background: var(--accent-burgundy);
  color: #faf8f4;
  border: none;
  border-radius: 8px;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.info-banner__btn:hover {
  background: var(--accent-burgundy-light);
  transform: scale(1.03);
}

.info-banner__close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
  line-height: 1;
}

.info-banner__close:hover {
  color: var(--accent-burgundy);
}

/* === About Modal === */
.about-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.about-modal.visible {
  display: flex;
}

.about-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 17, 15, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-medium);
}

.about-modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.about-modal__dialog {
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: 20px;
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modalZoomIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalZoomIn {
  from { opacity: 0; transform: scale(0.9) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.about-modal__header {
  background: var(--hero-bg);
  padding: 24px 32px;
  color: var(--hero-text);
  position: relative;
}

.about-modal__cross {
  font-size: 1.5rem;
  color: var(--accent-gold-light);
  display: block;
  margin-bottom: 8px;
  line-height: 1;
}

.about-modal__title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.2;
}

.about-modal__subtitle {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-gold-light);
}

.about-modal__close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: var(--hero-text);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.about-modal__close:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--accent-gold-light);
}

/* Modal Tabs */
.about-modal__tabs {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  padding: 4px 16px 0;
  gap: 4px;
}

.about-tab-btn {
  padding: 12px 16px;
  border: none;
  background: transparent;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all var(--transition-fast);
}

.about-tab-btn:hover {
  color: var(--text-primary);
  background: var(--paragraph-hover);
}

.about-tab-btn.active {
  color: var(--accent-burgundy);
  border-bottom-color: var(--accent-burgundy);
}

[data-theme="dark"] .about-tab-btn.active {
  color: var(--accent-gold);
  border-bottom-color: var(--accent-gold);
}

/* Modal Body */
.about-modal__body {
  flex: 1;
  overflow-y: auto;
  padding: 32px;
}

.about-tab-content {
  display: none;
}

.about-tab-content.active {
  display: block;
}

.about-section h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 8px;
}

.about-section h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-primary);
  margin: 24px 0 12px;
}

.about-section p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}

.about-section ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.about-section li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* Symbol list for flags */
.symbol-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 20px;
  margin: 24px 0;
}

.symbol-list {
  list-style: none;
  padding-left: 0 !important;
  margin-bottom: 0 !important;
}

.symbol-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px !important;
  font-size: 0.88rem !important;
}

.symbol-list li:last-child {
  margin-bottom: 0 !important;
}

.symbol-icon {
  font-size: 1.5rem;
  line-height: 1;
  background: var(--bg-card);
  padding: 6px;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

/* Historical Cards */
.historical-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.historical-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.historical-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.historical-card__year {
  background: var(--accent-burgundy);
  color: #faf8f4;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
}

[data-theme="dark"] .historical-card__year {
  background: var(--accent-gold);
  color: #1a1412;
}

.historical-card h4 {
  margin: 0 !important;
  font-size: 1.05rem !important;
}

.historical-card p {
  margin-bottom: 8px !important;
  font-size: 0.88rem !important;
}

.historical-card p:last-child {
  margin-bottom: 0 !important;
  border-top: 1px dashed var(--border-light);
  padding-top: 8px;
  margin-top: 8px;
}

/* Thematic Tree (Arborescence) */
.thematic-tree {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px 0;
  position: relative;
}

.thematic-tree::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 20px;
  width: 2px;
  bottom: 40px;
  background: var(--border-medium);
  z-index: 0;
}

.tree-node {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 1;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tree-node:hover {
  border-color: var(--accent-gold);
  background: var(--accent-gold-glow);
  transform: translateX(4px);
}

.tree-node--root {
  background: var(--bg-secondary);
  border-color: var(--accent-gold);
}

.node-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gold-glow);
  color: var(--accent-gold);
  border-radius: 50%;
  font-weight: bold;
}

.node-number {
  width: 42px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 6px;
  border: 1px solid var(--border-light);
  flex-shrink: 0;
}

.node-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.node-content strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text-primary);
}

.node-content span {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.3;
  margin-top: 2px;
}

.node-meta {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Info banner responsive */
@media (max-width: 600px) {
  .info-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .info-banner__close {
    position: absolute;
    top: 12px;
    right: 12px;
  }
  
  .about-modal {
    padding: 12px;
  }
  
  .about-modal__body {
    padding: 20px;
  }
  
  .about-modal__tabs {
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 4px;
  }
}