/* ============================================
   Dark Academia Theme for dev.page
   Scholarly, vintage, warm aesthetic
   ============================================ */

/* --------------------------------------------
   Fonts
   -------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Source+Sans+3:wght@400;600&display=swap');

/* --------------------------------------------
   CSS Custom Properties
   -------------------------------------------- */
:root {
  /* Typography */
  --font-serif: 'Libre Baskerville', Georgia, 'Times New Roman', serif;
  --font-sans: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Layout */
  --content-width: 720px;
}

/* Dark theme (default) */
[data-theme="dark"] {
  --bg-primary: #1a1814;
  --bg-secondary: #221f1a;
  --bg-tertiary: #2a2520;
  --bg-accent: #352f28;
  --text-primary: #e8e4dc;
  --text-secondary: #c4bba8;
  --text-tertiary: #8a8070;
  --accent-color: #c9a962;
  --accent-muted: #a08848;
  --border-color: #3d3628;
  --border-light: #4a4238;
}

/* Light theme */
[data-theme="light"] {
  --bg-primary: #f8f5f0;
  --bg-secondary: #f0ebe2;
  --bg-tertiary: #e8e2d6;
  --bg-accent: #ddd5c6;
  --text-primary: #2c2418;
  --text-secondary: #4a3f30;
  --text-tertiary: #7a6a54;
  --accent-color: #8b6914;
  --accent-muted: #6a5010;
  --border-color: #d4cab8;
  --border-light: #c8bca8;
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
}

/* --------------------------------------------
   Typography
   -------------------------------------------- */
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.3;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.1rem; font-weight: 700; }
h3 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--text-primary);
}

/* --------------------------------------------
   Navigation
   -------------------------------------------- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
}

.nav-content {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.nav-links {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-xl);
}

.nav-links a {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
}

.nav-links a:hover {
  color: var(--accent-color);
}

.nav-links a.active {
  color: var(--accent-color);
  border-bottom: 1px solid var(--accent-color);
  padding-bottom: 2px;
}

/* --------------------------------------------
   Page Content
   -------------------------------------------- */
.page-content {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: calc(60px + var(--spacing-3xl)) var(--spacing-lg) var(--spacing-3xl);
}

/* --------------------------------------------
   Hero Section
   -------------------------------------------- */
.hero {
  margin-bottom: var(--spacing-3xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid var(--border-color);
}

.hero-name {
  font-size: 2.5rem;
  font-weight: 400;
  font-style: italic;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.hero-title {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-sm);
}

.hero-location {
  font-size: 0.95rem;
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-lg);
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm) var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.hero-link {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.hero-bio {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  white-space: pre-wrap;
  max-width: 580px;
}

/* --------------------------------------------
   Section Styles
   -------------------------------------------- */
.section {
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--border-color);
}

/* --------------------------------------------
   Experience
   -------------------------------------------- */
.experience-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.experience-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--spacing-lg);
}

.experience-date {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-tertiary);
  padding-top: 4px;
}

.experience-details {
  flex: 1;
}

.experience-header {
  margin-bottom: var(--spacing-sm);
}

.experience-company {
  font-weight: 700;
  color: var(--text-primary);
}

.experience-role {
  font-style: italic;
  color: var(--text-secondary);
}

.experience-highlights {
  list-style: none;
  padding: 0;
}

.experience-highlights li {
  position: relative;
  padding-left: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.experience-highlights li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

/* --------------------------------------------
   Projects
   -------------------------------------------- */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.project-item {
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

.project-item.featured {
  background: var(--bg-tertiary);
  border-color: var(--accent-muted);
}

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

.project-name {
  font-size: 1rem;
  font-weight: 700;
  font-style: italic;
}

.project-link {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-color);
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.project-tag,
.tag {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px var(--spacing-sm);
  background: var(--bg-accent);
  color: var(--text-tertiary);
  border: 1px solid var(--border-color);
}

/* --------------------------------------------
   Skills
   -------------------------------------------- */
.skills-table {
  width: 100%;
  border-collapse: collapse;
}

.skills-table tr {
  border-bottom: 1px solid var(--border-color);
}

.skills-table tr:last-child {
  border-bottom: none;
}

.skills-table td {
  padding: var(--spacing-sm) 0;
  vertical-align: baseline;
}

.skills-table td:first-child {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  width: 140px;
  padding-right: var(--spacing-md);
}

.skills-table td:last-child {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* --------------------------------------------
   Writing / Publications
   -------------------------------------------- */
.writing-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.writing-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

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

.writing-date {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.writing-content {
  flex: 1;
}

.writing-title {
  font-weight: 400;
  font-style: italic;
  font-size: 1rem;
  color: var(--text-primary);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.writing-title:hover {
  color: var(--accent-color);
}

.writing-publication {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.writing-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

/* --------------------------------------------
   Education
   -------------------------------------------- */
.education-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.education-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--spacing-lg);
}

.education-date {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-tertiary);
  padding-top: 4px;
}

.education-details {
  flex: 1;
}

.education-institution {
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.education-degree {
  font-style: italic;
  color: var(--text-secondary);
}

.education-description {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  margin-top: var(--spacing-xs);
}

/* --------------------------------------------
   Footer
   -------------------------------------------- */
.site-footer {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.site-footer p {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

/* --------------------------------------------
   Responsive
   -------------------------------------------- */
@media (max-width: 640px) {
  html {
    font-size: 16px;
  }

  .nav-links {
    gap: var(--spacing-md);
  }

  .nav-links a {
    font-size: 0.65rem;
  }

  .page-content {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }

  .hero-name {
    font-size: 2rem;
  }

  .experience-item,
  .education-item,
  .writing-item {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }

  .experience-date,
  .education-date,
  .writing-date {
    margin-bottom: var(--spacing-xs);
  }

  .skills-table td:first-child {
    width: 100px;
  }
}

/* --------------------------------------------
   Multi-Page Styles
   -------------------------------------------- */

/* Navigation Logo */
.nav-logo {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--text-primary);
  text-decoration: none;
}

.nav-logo:hover {
  color: var(--accent-color);
}

/* Theme Toggle Button */
.theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.theme-btn:hover {
  background: var(--bg-accent);
  color: var(--accent-color);
  border-color: var(--accent-muted);
}

/* Show sun icon in dark mode (to switch to light) */
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: block; }

/* Show moon icon in light mode (to switch to dark) */
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* Page Header */
.page-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.page-header h1 {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.page-header p {
  font-style: italic;
  color: var(--text-secondary);
}

.header-ornament {
  width: 60px;
  height: 2px;
  background: var(--accent-color);
  margin: var(--spacing-lg) auto;
}

/* View All Link */
.view-all {
  display: inline-block;
  margin-top: var(--spacing-xl);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-color);
}

.view-all:hover {
  color: var(--text-primary);
}

/* Projects List (Multi-page) */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.project-item {
  display: block;
  padding: var(--spacing-lg);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.project-item:hover {
  border-color: var(--accent-color);
  background: var(--bg-tertiary);
}

.project-item.featured {
  border-color: var(--accent-color);
}

.project-item .project-name {
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: var(--spacing-xs);
}

.project-item .project-description {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.project-meta-inline {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-sm);
}

/* Experiments List */
.experiments-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.experiment-item {
  padding: var(--spacing-lg);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.experiment-item h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.experiment-item p {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.experiment-links {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  gap: var(--spacing-md);
}

/* Project Page */
.project-page .project-header {
  display: block;
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.project-page .project-header h1 {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.project-page .project-header .subtitle {
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.project-page .project-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.project-page .meta-item {
  text-align: center;
}

.project-page .meta-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-xs);
}

.project-page .meta-value {
  font-size: 0.9rem;
}

.project-page .project-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.project-page .project-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.project-page .project-link {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.project-page .project-link:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

/* Prose Content */
.prose {
  line-height: 1.8;
}

.prose h2 {
  font-size: 1.25rem;
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

.prose h3 {
  font-size: 1rem;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}

.prose p {
  margin-bottom: var(--spacing-md);
}

.prose ul, .prose ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.prose li {
  margin-bottom: var(--spacing-sm);
}

.prose code {
  font-family: var(--font-sans);
  background: var(--bg-tertiary);
  padding: 0.125rem 0.375rem;
  font-size: 0.875em;
}

/* Project Navigation */
.project-nav {
  text-align: center;
  padding-top: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.nav-ornament {
  width: 40px;
  height: 1px;
  background: var(--border-color);
  margin: 0 auto var(--spacing-lg);
}

.back-link {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
}

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

/* Writing List Full */
.writing-list a.writing-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-color);
}

.writing-list a.writing-item:hover {
  color: var(--accent-color);
}

.writing-list a.writing-item:last-child {
  border-bottom: none;
}

.writing-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

/* Print styles */
@media print {
  .site-nav {
    display: none !important;
  }

  .page-content {
    padding-top: 0;
  }

  body {
    color: black;
    background: white;
  }
}