/* ============================================
   PraCha Chronicle - Clean Journal Theme
   Inspired by daily.pracha.me
   ============================================ */

:root {
  /* Warm Cream Palette - Higher Contrast */
  --color-primary: #1a1a1a;          /* Deep Black */
  --color-secondary: #9a6a32;        /* Rich Gold */
  --color-accent: #b8956b;           /* Soft Bronze */
  
  --color-text-primary: #1a1a1a;     /* Deep Black - High Contrast */
  --color-text-secondary: #4a4a4a;   /* Dark Gray - Better Contrast */
  --color-text-light: #6a6a6a;       /* Medium Gray */
  
  --color-bg-primary: #faf9f7;       /* Warm Cream */
  --color-bg-secondary: #f5f4f1;     /* Soft Beige */
  --color-bg-sidebar: #f0efec;       /* Subtle Sand */
  
  --color-border: #e8e6e1;           /* Subtle Border */
  --color-border-dark: #d4d1ca;      /* Medium Border */
  
  /* Typography */
  --font-serif: 'Cormorant Garamond', 'Crimson Pro', 'Georgia', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Font Sizes - Larger for Desktop Readability */
  --text-xs: 0.875rem;     /* 14px */
  --text-sm: 1rem;         /* 16px */
  --text-base: 1.125rem;   /* 18px */
  --text-lg: 1.3125rem;    /* 21px */
  --text-xl: 1.5rem;       /* 24px */
  --text-2xl: 1.75rem;     /* 28px */
  --text-3xl: 2.5rem;      /* 40px */
  --text-4xl: 3rem;        /* 48px */
  --text-5xl: 4rem;        /* 64px */
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Layout */
  --sidebar-width: 280px;
  --max-width-content: 900px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

/* Dark Mode */
[data-theme="dark"] {
  --color-primary: #f5f3ef;
  --color-secondary: #c4a35a;
  --color-accent: #d4b87a;
  
  --color-text-primary: #f5f3ef;
  --color-text-secondary: #b0ada6;
  --color-text-light: #7a776f;
  
  --color-bg-primary: #1a1917;
  --color-bg-secondary: #222120;
  --color-bg-sidebar: #1e1d1c;
  
  --color-border: #333230;
  --color-border-dark: #444340;
}

/* ============================================
   Reset & Base
   ============================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.85;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.3;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
}

h1 { font-size: var(--text-5xl); margin-bottom: var(--space-lg); }
h2 { font-size: var(--text-3xl); margin-bottom: var(--space-md); }
h3 { font-size: var(--text-2xl); margin-bottom: var(--space-md); }
h4 { font-size: var(--text-xl); margin-bottom: var(--space-sm); }

p {
  margin-bottom: var(--space-lg);
  max-width: 65ch;
}

a {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-secondary);
}

/* ============================================
   Layout - Two Column with Sidebar
   ============================================ */

.layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-bg-sidebar);
  border-right: 1px solid var(--color-border);
  padding: var(--space-3xl) var(--space-xl);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  margin-bottom: var(--space-3xl);
  text-align: center;
}

.site-title {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.site-title a {
  color: var(--color-text-primary);
}

.site-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background-color: var(--color-secondary);
  margin: var(--space-md) auto 0;
}

.site-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  font-style: italic;
}

/* Sidebar Navigation */
.sidebar-nav {
  margin-bottom: var(--space-2xl);
}

.sidebar-nav ul {
  list-style: none;
}

.sidebar-nav li {
  margin-bottom: var(--space-sm);
}

.sidebar-nav a {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  display: block;
  padding: var(--space-sm) 0;
  transition: color var(--transition-fast);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  color: var(--color-secondary);
}

/* Topics/Tags in Sidebar */
.sidebar-section {
  margin-bottom: var(--space-2xl);
}

.sidebar-section-title {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  font-family: var(--font-sans);
  font-weight: 500;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tag {
  font-size: var(--text-sm);
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  background: transparent;
}

.tag:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

/* Recent Posts in Sidebar */
.recent-list {
  list-style: none;
}

.recent-item {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.recent-item:last-child {
  border-bottom: none;
}

.recent-title {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  display: block;
  margin-bottom: var(--space-xs);
}

.recent-date {
  font-size: var(--text-xs);
  color: var(--color-text-light);
}

/* Theme Toggle */
.theme-toggle {
  margin-top: auto;
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: var(--space-4xl) var(--space-3xl);
}

.content-wrapper {
  max-width: var(--max-width-content);
  margin: 0 auto;
}

/* ============================================
   Hero / Page Header
   ============================================ */

.page-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-family: var(--font-serif);
  font-size: var(--text-5xl);
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.page-description {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text-secondary);
  max-width: 50ch;
  margin: 0 auto;
  line-height: 1.8;
}

.decorative-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
  color: var(--color-secondary);
}

.decorative-divider::before,
.decorative-divider::after {
  content: '';
  width: 60px;
  height: 1px;
  background-color: var(--color-secondary);
}

/* ============================================
   Year Section
   ============================================ */

.year-section {
  margin-bottom: var(--space-4xl);
}

.year-title {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 300;
  color: var(--color-text-light);
  margin-bottom: var(--space-2xl);
  letter-spacing: 0.05em;
}

/* ============================================
   Post List (Journal Style)
   ============================================ */

.post-list {
  list-style: none;
}

.post-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: var(--space-xl);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
  align-items: baseline;
}

.post-item:last-child {
  border-bottom: none;
}

.post-date {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  font-family: var(--font-sans);
}

.post-date-month {
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.post-date-day {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
}

.post-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.post-title:hover {
  color: var(--color-secondary);
}

.post-tags {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.post-tag {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  font-style: italic;
}

.post-tag::before {
  content: '·';
  margin-right: var(--space-xs);
}

.post-tag:first-child::before {
  display: none;
}

/* ============================================
   Card Grid (Alternative Layout)
   ============================================ */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-xl);
}

.card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-secondary);
}

.card-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 400;
  margin-bottom: var(--space-sm);
}

.card-title a {
  color: var(--color-text-primary);
}

.card-title a:hover {
  color: var(--color-secondary);
}

.card-meta {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.card-excerpt {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* ============================================
   Single Post Page
   ============================================ */

.post-header {
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.post-header .post-title {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

.post-meta {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.post-content {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  line-height: 2;
  color: var(--color-text-primary);
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
}

.post-content h2 {
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-lg);
}

.post-content h3 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.post-content p {
  margin-bottom: var(--space-xl);
}

.post-content ul,
.post-content ol {
  margin: var(--space-lg) 0;
  padding-left: var(--space-xl);
}

.post-content li {
  margin-bottom: var(--space-sm);
}

.post-content blockquote {
  margin: var(--space-xl) 0;
  padding: var(--space-lg) var(--space-xl);
  border-left: 3px solid var(--color-secondary);
  background-color: var(--color-bg-secondary);
  font-style: italic;
  color: var(--color-text-secondary);
}

.post-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--color-bg-secondary);
  padding: 0.2em 0.4em;
  border-radius: 2px;
}

.post-content pre {
  margin: var(--space-xl) 0;
  padding: var(--space-lg);
  background-color: var(--color-primary);
  color: var(--color-bg-primary);
  border-radius: 4px;
  overflow-x: auto;
}

.post-content pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

/* Breadcrumb */
.breadcrumb {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.breadcrumb a {
  color: var(--color-text-light);
}

.breadcrumb a:hover {
  color: var(--color-secondary);
}

/* ============================================
   About Page
   ============================================ */

.about-content {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  line-height: 2;
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
}

.about-intro {
  display: flex;
  align-items: center;
  gap: var(--space-3xl);
  margin-bottom: var(--space-4xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid var(--color-border);
}

.about-avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-border);
}

.about-text h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-sm);
}

.about-tagline {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  font-style: italic;
  margin-bottom: 0;
}

.about-section {
  margin-bottom: var(--space-3xl);
}

.about-section h3 {
  font-size: var(--text-2xl);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

.about-section ul {
  margin: var(--space-md) 0;
  padding-left: var(--space-xl);
}

.about-section li {
  margin-bottom: var(--space-sm);
}

.contact-list {
  list-style: none;
  padding-left: 0;
}

.contact-list li {
  margin-bottom: var(--space-sm);
}

/* Resume Items */
.resume-item {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.resume-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.resume-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.resume-date {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-style: italic;
}

.resume-title {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.resume-item p:last-child {
  margin-bottom: 0;
}

@media (max-width: 600px) {
  .about-intro {
    flex-direction: column;
    text-align: center;
  }
  
  .about-avatar {
    width: 120px;
    height: 120px;
  }
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  margin-top: var(--space-4xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-content {
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
  list-style: none;
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.footer-links a:hover {
  color: var(--color-secondary);
}

.copyright {
  font-size: var(--text-xs);
  color: var(--color-text-light);
}

/* ============================================
   Mobile Responsive
   ============================================ */

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--text-xl);
  color: var(--color-text-primary);
  cursor: pointer;
  padding: var(--space-sm);
  position: fixed;
  top: var(--space-md);
  left: var(--space-md);
  z-index: 1001;
}

@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }
  
  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: 1000;
  }
  
  .sidebar.active {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
    padding: var(--space-3xl) var(--space-lg);
    padding-top: var(--space-4xl);
  }
  
  .page-title {
    font-size: var(--text-4xl);
  }
  
  .post-item {
    grid-template-columns: 60px 1fr;
    gap: var(--space-md);
  }
  
  .post-tags {
    display: none;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .page-title {
    font-size: var(--text-3xl);
    letter-spacing: 0.05em;
  }
  
  .page-description {
    font-size: var(--text-base);
  }
  
  .post-item {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
  
  .post-date {
    display: inline-flex;
    gap: var(--space-sm);
  }
  
  .post-header .post-title {
    font-size: var(--text-2xl);
  }
  
  .post-content {
    font-size: var(--text-base);
  }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
  .sidebar,
  .menu-toggle,
  .theme-toggle {
    display: none !important;
  }
  
  .main-content {
    margin-left: 0;
    padding: 0;
  }
  
  body {
    background: white;
    color: black;
  }
}

/* ============================================
   Utility Classes
   ============================================ */

.text-center { text-align: center; }
.text-muted { color: var(--color-text-secondary); }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ============================================
   Landing Page - Hero Section
   ============================================ */

.hero-section {
  margin-bottom: var(--space-4xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid var(--color-border);
}

.hero-intro {
  display: flex;
  align-items: center;
  gap: var(--space-3xl);
}

.hero-avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-border);
  flex-shrink: 0;
}

.hero-text {
  flex: 1;
}

.hero-name {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: 0;
  line-height: 1.6;
}

@media (max-width: 700px) {
  .hero-intro {
    flex-direction: column;
    text-align: center;
  }

  .hero-avatar {
    width: 140px;
    height: 140px;
  }

  .hero-name {
    font-size: var(--text-3xl);
  }
}

/* ============================================
   Landing Page - Home Sections
   ============================================ */

.home-section {
  margin-bottom: var(--space-4xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid var(--color-border);
}

.home-section:last-of-type {
  border-bottom: none;
}

.section-title {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-xl);
  color: var(--color-text-primary);
  position: relative;
  padding-bottom: var(--space-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 2px;
  background-color: var(--color-secondary);
}

.section-link {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--space-lg);
  transition: color var(--transition-fast);
}

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

/* Prose Content */
.prose {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  line-height: 2;
  color: var(--color-text-primary);
}

.prose p {
  margin-bottom: var(--space-xl);
  max-width: 70ch;
}

.prose p:last-child {
  margin-bottom: 0;
}

/* ============================================
   Landing Page - Beliefs Grid
   ============================================ */

.beliefs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.belief-item {
  padding: var(--space-xl);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast);
}

.belief-item:hover {
  border-color: var(--color-secondary);
}

.belief-item h3 {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 500;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.belief-item p {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

@media (max-width: 700px) {
  .beliefs-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Landing Page - Focus Cards
   ============================================ */

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.focus-card {
  padding: var(--space-xl);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast);
}

.focus-card:hover {
  border-color: var(--color-secondary);
}

.focus-card h3 {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 500;
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

.focus-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg) 0;
}

.focus-card li {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
}

.focus-card li:last-child {
  border-bottom: none;
}

.focus-link {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

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

@media (max-width: 900px) {
  .focus-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Landing Page - Featured Section
   ============================================ */

.featured-section {
  background-color: var(--color-bg-secondary);
  margin-left: calc(-1 * var(--space-xl));
  margin-right: calc(-1 * var(--space-xl));
  padding: var(--space-3xl) var(--space-xl);
  border: none;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.featured-quote {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-style: italic;
  text-align: center;
  color: var(--color-secondary);
  margin-bottom: var(--space-xl);
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   Landing Page - Work Section
   ============================================ */

.work-category {
  margin-bottom: var(--space-2xl);
}

.work-category:last-child {
  margin-bottom: 0;
}

.work-category h3 {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 500;
  margin-bottom: var(--space-lg);
  color: var(--color-text-secondary);
  font-style: italic;
}

.work-item {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.work-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.work-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.work-date {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  font-style: italic;
}

.work-item p {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* ============================================
   Landing Page - Education Section
   ============================================ */

.education-item {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.education-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.education-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.education-date {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  font-style: italic;
}

.education-degree {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.education-details {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* ============================================
   Landing Page - Sitemap Grid
   ============================================ */

.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.sitemap-item {
  display: block;
  padding: var(--space-xl);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.sitemap-item:hover {
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

.sitemap-item.external {
  background-color: transparent;
  border-style: dashed;
}

.sitemap-item h3 {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.sitemap-item p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0;
  line-height: 1.6;
}

@media (max-width: 700px) {
  .sitemap-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Landing Page - Contact Grid
   ============================================ */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.contact-item {
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast);
  text-decoration: none;
}

.contact-item:hover {
  border-color: var(--color-secondary);
}

.contact-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  margin-bottom: var(--space-xs);
}

.contact-value {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  color: var(--color-text-primary);
}

@media (max-width: 600px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Document Content (Agentic Decision Sciences)
   ============================================ */

.document-content {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  line-height: 2;
  color: var(--color-text-primary);
}

.document-section {
  margin-bottom: var(--space-3xl);
}

.document-section h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-xl);
  color: var(--color-text-primary);
}

.document-section h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
  font-style: italic;
}

.document-section p {
  margin-bottom: var(--space-xl);
  max-width: 70ch;
}

/* ============================================
   Enhanced Typography for Readability
   ============================================ */

/* Increase letter spacing for better readability */
body {
  letter-spacing: 0.01em;
}

/* Better heading hierarchy */
.page-title {
  letter-spacing: 0.08em;
}

/* Improved list styling */
.post-content ul,
.post-content ol,
.about-content ul,
.about-content ol,
.document-content ul,
.document-content ol {
  margin: var(--space-lg) 0;
  padding-left: var(--space-2xl);
}

.post-content li,
.about-content li,
.document-content li {
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

/* Better blockquote styling */
blockquote {
  margin: var(--space-2xl) 0;
  padding: var(--space-xl) var(--space-2xl);
  border-left: 3px solid var(--color-secondary);
  background-color: var(--color-bg-secondary);
  font-style: italic;
  color: var(--color-text-secondary);
}

blockquote p:last-child {
  margin-bottom: 0;
}

/* Strong emphasis */
strong {
  font-weight: 600;
  color: var(--color-text-primary);
}

/* Italic emphasis */
em {
  font-style: italic;
  color: var(--color-secondary);
}

/* Links in content */
.prose a,
.document-content a,
.post-content a,
.about-content a {
  color: var(--color-secondary);
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  text-underline-offset: 3px;
  transition: all var(--transition-fast);
}

.prose a:hover,
.document-content a:hover,
.post-content a:hover,
.about-content a:hover {
  text-decoration-color: var(--color-secondary);
}

/* ============================================
   Library - Book Grid & Tiles
   ============================================ */

.library-section {
  margin-bottom: var(--space-4xl);
}

.library-section-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 500;
  margin-bottom: var(--space-xl);
  color: var(--color-text-secondary);
  font-style: italic;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.book-tile {
  display: block;
  text-decoration: none;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  overflow: hidden;
}

.book-tile:hover {
  border-color: var(--color-secondary);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.book-tile.upcoming {
  opacity: 0.7;
  cursor: default;
}

.book-tile.upcoming:hover {
  transform: none;
  box-shadow: none;
}

.book-cover {
  position: relative;
  aspect-ratio: 2/3;
  background-color: var(--color-bg-primary);
  overflow: hidden;
}

.book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-cover.no-image img {
  display: none;
}

.book-cover-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-primary));
}

.book-cover.no-image .book-cover-placeholder {
  display: flex;
}

.book-cover-placeholder.large {
  font-size: 4rem;
}

.book-info {
  padding: var(--space-lg);
}

.book-title {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.book-author {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.book-status {
  display: inline-block;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 2px;
}

.book-status.reading {
  background-color: rgba(154, 106, 50, 0.15);
  color: var(--color-secondary);
}

.book-status.completed {
  background-color: rgba(76, 175, 80, 0.15);
  color: #4caf50;
}

.book-status.upcoming {
  background-color: rgba(158, 158, 158, 0.15);
  color: var(--color-text-light);
}

/* Book Notes Page */
.book-header {
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.book-header-content {
  display: flex;
  gap: var(--space-2xl);
  align-items: flex-start;
}

.book-header-cover {
  width: 180px;
  flex-shrink: 0;
  aspect-ratio: 2/3;
  background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  position: relative;
}

.book-header-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}

.book-header-info {
  flex: 1;
}

.book-header-title {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 400;
  margin-bottom: var(--space-sm);
}

.book-header-subtitle {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.book-header-author {
  font-size: var(--text-base);
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.book-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.book-meta-item,
.person-meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.meta-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
}

.meta-value {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  color: var(--color-text-primary);
}

@media (max-width: 600px) {
  .book-header-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .book-header-cover {
    width: 150px;
  }

  .book-meta-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Book Notes Sections */
.book-notes,
.person-notes {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  line-height: 2;
}

.notes-section {
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.notes-section:last-child {
  border-bottom: none;
}

.notes-section h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-lg);
}

.notes-section h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

.notes-date {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  font-style: italic;
  margin-bottom: var(--space-lg);
}

.takeaway-grid,
.idea-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.takeaway-item,
.idea-item {
  padding: var(--space-lg);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
}

.takeaway-item h4,
.idea-item h4 {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.takeaway-item p,
.idea-item p {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

@media (max-width: 700px) {
  .takeaway-grid,
  .idea-grid {
    grid-template-columns: 1fr;
  }
}

.chapter-list {
  list-style: none;
  padding: 0;
}

.chapter-list li {
  margin-bottom: var(--space-sm);
}

.chapter-list a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.chapter-list a:hover {
  color: var(--color-secondary);
}

/* ============================================
   People - Grid & Tiles
   ============================================ */

.people-section {
  margin-bottom: var(--space-4xl);
}

.people-section-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 500;
  margin-bottom: var(--space-xl);
  color: var(--color-text-secondary);
  font-style: italic;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.person-tile {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.person-tile:hover {
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

.person-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
}

.person-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.person-avatar.no-image img {
  display: none;
}

.person-avatar-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 500;
  color: white;
}

.person-avatar.no-image .person-avatar-placeholder {
  display: flex;
}

.person-avatar-placeholder.large {
  font-size: var(--text-3xl);
}

.person-info {
  flex: 1;
  min-width: 0;
}

.person-name {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.person-title {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.person-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  font-style: italic;
  margin-bottom: 0;
}

/* Person Notes Page */
.person-header {
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.person-header-content {
  display: flex;
  gap: var(--space-2xl);
  align-items: flex-start;
}

.person-header-avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  border: 3px solid var(--color-border);
}

.person-header-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}

.person-header-info {
  flex: 1;
}

.person-header-name {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 400;
  margin-bottom: var(--space-sm);
}

.person-header-title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.person-header-affiliation {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.person-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

@media (max-width: 600px) {
  .person-header-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .person-header-avatar {
    width: 120px;
    height: 120px;
  }

  .person-meta-grid {
    grid-template-columns: 1fr;
  }
}

.related-books {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.related-book-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  text-decoration: none;
  transition: border-color var(--transition-fast);
}

.related-book-item:hover {
  border-color: var(--color-secondary);
}

.related-book-cover {
  font-size: 2rem;
  width: 50px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
}

.related-book-info h4 {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.related-book-info p {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: 0;
}

.quotes-list blockquote {
  margin-bottom: var(--space-lg);
}

.standalone-quote {
  border-left-width: 2px;
}

.standalone-quote p {
  margin-bottom: 0;
}

/* ============================================
   Experiments - Grid & Tiles
   ============================================ */

.experiments-section {
  margin-bottom: var(--space-4xl);
}

.experiments-section-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 500;
  margin-bottom: var(--space-xl);
  color: var(--color-text-secondary);
  font-style: italic;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.experiment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-xl);
}

.experiment-tile {
  display: block;
  position: relative;
  padding: var(--space-xl);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.experiment-tile:hover {
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

.experiment-tile.planned {
  cursor: default;
  opacity: 0.8;
}

.experiment-tile.planned:hover {
  transform: none;
}

.experiment-status-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 2px;
}

.experiment-status-badge.active {
  background-color: rgba(154, 106, 50, 0.15);
  color: var(--color-secondary);
}

.experiment-status-badge.completed {
  background-color: rgba(76, 175, 80, 0.15);
  color: #4caf50;
}

.experiment-status-badge.planned {
  background-color: rgba(158, 158, 158, 0.15);
  color: var(--color-text-light);
}

.experiment-content {
  padding-top: var(--space-lg);
}

.experiment-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.experiment-hypothesis {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.experiment-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.experiment-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.experiment-meta-item .meta-label {
  font-size: 10px;
}

.experiment-meta-item .meta-value {
  font-size: var(--text-sm);
}

.experiment-meta-item .meta-value.success {
  color: #4caf50;
}

.experiment-meta-item .meta-value.mixed {
  color: #ff9800;
}

.experiment-meta-item .meta-value.failed {
  color: #f44336;
}

.experiment-result {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background-color: var(--color-bg-primary);
  border-left: 2px solid var(--color-secondary);
}

.experiment-result p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

.experiments-philosophy {
  margin-top: var(--space-4xl);
  padding: var(--space-2xl);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
}

.experiments-philosophy h2 {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-xl);
}

@media (max-width: 700px) {
  .experiment-grid {
    grid-template-columns: 1fr;
  }
}