/* ===== Material Design Academic Portfolio ===== */

/* === CSS Variables - Material Design === */
:root {
  /* Typography - Roboto & Roboto Slab */
  --font-body: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Roboto Slab', 'Georgia', serif;
  --font-mono: 'Roboto Mono', 'Courier New', monospace;

  /* Theme toggle */
  color-scheme: light;

  /* Material Colors - Light Theme - Refined for Elegance */
  --md-surface: #FFFFFF;
  --md-background: #FFFFFF;
  --md-primary: #5E35B1;
  /* Deep Purple 600 - More elegant than blue */
  --md-primary-dark: #4527A0;
  /* Deep Purple 700 */
  --md-primary-light: #EDE7F6;
  /* Deep Purple 50 */
  --md-secondary: #00897B;
  /* Teal 600 */
  --md-text-primary: rgba(0, 0, 0, 0.87);
  --md-text-secondary: rgba(0, 0, 0, 0.60);
  --md-text-disabled: rgba(0, 0, 0, 0.38);
  --md-divider: rgba(0, 0, 0, 0.08);

  /* Elevation Shadows */
  --shadow-1: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-2: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
  --shadow-3: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);
  --shadow-4: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);

  /* Spacing - 8dp Grid */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-8: 64px;
  --space-12: 96px;

  /* Typography Scale */
  --text-h1: 96px;
  --text-h2: 60px;
  --text-h3: 48px;
  --text-h4: 34px;
  --text-h5: 24px;
  --text-h6: 20px;
  --text-subtitle1: 16px;
  --text-subtitle2: 14px;
  --text-body1: 16px;
  --text-body2: 14px;
  --text-caption: 12px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
}

/* Dark Theme - Refined */
[data-theme="dark"] {
  --md-surface: #121212;
  --md-background: #121212;
  --md-primary: #B39DDB;
  /* Deep Purple 200 - Softer in dark */
  --md-primary-dark: #9575CD;
  /* Deep Purple 300 */
  --md-primary-light: #D1C4E9;
  /* Deep Purple 100 */
  --md-secondary: #80CBC4;
  --md-text-primary: rgba(255, 255, 255, 0.95);
  --md-text-secondary: rgba(255, 255, 255, 0.70);
  --md-text-disabled: rgba(255, 255, 255, 0.50);
  --md-divider: rgba(255, 255, 255, 0.08);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --md-surface: #121212;
    --md-background: #121212;
    --md-primary: #B39DDB;
    --md-primary-dark: #9575CD;
    --md-primary-light: #D1C4E9;
    --md-secondary: #80CBC4;
    --md-text-primary: rgba(255, 255, 255, 0.95);
    --md-text-secondary: rgba(255, 255, 255, 0.70);
    --md-text-disabled: rgba(255, 255, 255, 0.50);
    --md-divider: rgba(255, 255, 255, 0.08);
    color-scheme: dark;
  }
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body1);
  line-height: 1.5;
  color: var(--md-text-primary);
  background: var(--md-background);
  letter-spacing: 0.00938em;
  transition: background-color 0.2s ease, color 0.2s ease;
}

/* === Text Selection === */
::selection {
  background: var(--md-primary);
  color: white;
  text-shadow: none;
}

::-moz-selection {
  background: var(--md-primary);
  color: white;
}

/* === Typography === */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
  color: var(--md-text-primary);
  letter-spacing: -0.00833em;
}

h1 {
  font-size: var(--text-h4);
  margin-bottom: var(--space-3);
}

h2 {
  font-size: var(--text-h5);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: var(--text-h6);
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-2);
  line-height: 1.75;
}

a {
  color: var(--md-primary);
  text-decoration: none;
  transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

a:hover {
  opacity: 0.7;
}

strong {
  font-weight: 500;
}

/* === Layout === */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--space-3);
  background: transparent;
  transition: none;
}

/* === Header - Ultra Minimal & Elegant === */
header {
  background: var(--md-surface);
  border-bottom: 1px solid var(--md-divider);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.header-content {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px var(--space-3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
}

nav {
  display: flex;
  align-items: center;
}

.site-title {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.site-title a {
  color: var(--md-text-primary);
  transition: opacity 0.2s ease;
}

.site-title a:hover {
  text-decoration: none;
  opacity: 0.7;
}

.site-title .first-name {
  color: var(--md-primary);
  font-weight: 600;
}

/* Hide site title on homepage */
body.home .site-title {
  opacity: 0;
  pointer-events: none;
}

nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  align-items: center;
  justify-content: flex-end;
}

@media (max-width: 768px) {
  nav {
    flex-direction: column-reverse;
    align-items: flex-end;
    gap: var(--space-2);
  }

  nav ul {
    gap: 4px;
  }

  nav a {
    font-size: 13px;
    padding: 4px 8px;
  }
}

nav a {
  font-size: 15px;
  font-weight: 400;
  color: var(--md-text-secondary);
  letter-spacing: -0.01em;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  position: relative;
  display: inline-block;
}

.nav-link-text {
  display: inline-block;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

nav a:hover {
  color: var(--md-text-primary);
  text-decoration: none;
}

nav a:hover .nav-link-text {
  transform: translateY(-3px);
}

/* Animated underline for nav links */
nav a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--md-primary);
  transform: translateX(-50%);
  transition: width 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  border-radius: 1px;
}

nav a:hover::after,
nav a.active::after {
  width: calc(100% - 24px);
}

nav a.active {
  color: var(--md-primary);
  font-weight: 500;
}

/* Dark mode toggle */
.theme-toggle {
  background: none;
  border: none;
  width: 36px;
  height: 36px;
  cursor: pointer;
  color: var(--md-text-secondary);
  font-size: 18px;
  border-radius: 50%;
  transition: all 0.2s ease, transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--md-divider);
  color: var(--md-text-primary);
  transform: rotate(20deg) scale(1.1);
}

.theme-toggle:active {
  transform: rotate(20deg) scale(0.95);
}

.theme-icon {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.theme-toggle:hover .theme-icon {
  transform: rotate(180deg);
}

.theme-icon {
  display: block;
  line-height: 1;
}

/* === Hero Section === */
.hero {
  padding: var(--space-12) 0 var(--space-8);
  padding-top: calc(var(--space-12) + 52px);
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-8);
  align-items: start;
}

.hero-sidebar {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* Removed old bio-info styles as they are replaced by new layout */

.hero-content {
  grid-column: 1;
}

.hero-image {
  width: 100%;
  aspect-ratio: 1;
  background-color: var(--md-divider);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-lg);
  transition:
    transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.4s ease;
}

.hero-image img:hover {
  transform: scale(1.02) rotate(0.5deg);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}


.sidebar-contact {
  font-size: var(--text-body2);
  color: var(--md-text-secondary);
  line-height: 1.5;
  text-align: center;
  /* Center align contact info under photo */
  padding: 0 var(--space-2);
  /* Add slight padding */
}

.sidebar-contact p {
  margin: 0 0 var(--space-2);
}

.sidebar-contact a {
  color: var(--md-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
  word-break: break-all;
  /* Ensure long emails don't break layout */
}

.sidebar-contact a:hover {
  color: var(--md-primary);
}

.role-info {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: flex-start;
  /* Revert to left align */
  align-items: center;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--md-divider);
  color: var(--md-text-secondary);
  font-size: var(--text-h6);
  /* Increased size (was Body 1) */
  font-weight: 400;
}

.role,
.university {
  font-size: inherit;
  color: inherit;
  margin: 0;
  font-weight: inherit;
}

.university::before {
  content: "•";
  margin-right: var(--space-2);
  color: inherit;
  /* Match text color */
  opacity: 0.6;
  /* Subtle opacity instead of different color */
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding-top: calc(var(--space-8) + 52px);
    /* Less padding on mobile */
  }

  .hero-sidebar {
    grid-column: 1;
    grid-row: 1;
    align-items: center;
    text-align: center;
    max-width: 280px;
    margin: 0 auto;
  }



  .hero-content {
    grid-column: 1;
    grid-row: 2;
    text-align: center;
    /* Center text on mobile */
  }

  .hero h1 {
    font-size: var(--text-h3);
    /* Smaller heading on mobile */
  }

  .role-info {
    justify-content: center;
  }

  /* Center align bio info on mobile */
  .contact-info {
    align-items: center;
  }
}

/* Responsive Page Header Font */
@media (max-width: 480px) {
  .page-header h1 {
    font-size: 24px;
    /* Smaller font to prevent wrapping */
  }

  .page-header.scrolled h1 {
    font-size: 20px;
  }
}

.hero h1 {
  font-size: var(--text-h3);
  font-weight: 300;
  margin-bottom: var(--space-3);
  letter-spacing: -0.00833em;
}

.hero h1 .first-name {
  font-weight: 500;
  color: var(--md-primary);
}

.hero .tagline {
  font-size: var(--text-h6);
  color: var(--md-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-6);
  font-weight: 300;
}

.hero .affiliation {
  font-size: var(--text-body1);
  color: var(--md-text-secondary);
  margin-bottom: var(--space-1);
  font-weight: 400;
}

.hero .address {
  font-size: var(--text-body2);
  color: var(--md-text-disabled);
  margin-bottom: var(--space-4);
}

.hero .bio {
  font-size: var(--text-body1);
  line-height: 1.75;
  margin-bottom: var(--space-6);
}

.hero .interests {
  margin: var(--space-6) 0;
}

.hero .interests h3 {
  font-size: var(--text-h6);
  font-weight: 500;
  margin: 0 0 var(--space-2);
  color: var(--md-text-primary);
}

.hero .interests ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero .interests li {
  padding-left: var(--space-3);
  margin-bottom: var(--space-1);
  position: relative;
  line-height: 1.75;
}

.hero .interests li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--md-primary);
  font-weight: bold;
}

.hero .quick-links {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--md-divider);
}

.hero .quick-links p {
  font-size: var(--text-body2);
  color: var(--md-text-secondary);
  margin-bottom: var(--space-2);
}

.hero .quick-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero .quick-links li {
  padding-left: var(--space-3);
  margin-bottom: var(--space-1);
  position: relative;
  line-height: 1.75;
}

.hero .quick-links li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--md-primary);
}



/* === Page Header === */
.page-header {
  padding: 22px var(--space-4) 10px;
  margin-bottom: var(--space-6);
  position: sticky;
  top: 53px;
  z-index: 100;
  transition: border-bottom-color 0.3s ease, box-shadow 0.3s ease;
  border-bottom: 1px solid transparent;
  background-color: var(--md-background);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  margin-left: calc(-1 * var(--space-4));
  margin-right: calc(-1 * var(--space-4));
}

@media (max-width: 768px) {
  .page-header {
    padding-left: var(--space-4);
    /* Ensure enough padding on mobile */
    margin-left: -16px;
    /* Adjust negative margin for smaller container padding */
    margin-right: -16px;
    width: calc(100% + 32px);
  }
}

.page-header.scrolled {
  /* Keep padding same to avoid layout shift/flicker */
  padding: 22px var(--space-4) 10px;
  border-bottom-color: var(--md-divider);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* ... (rest of page header styles) ... */

/* === Code Blocks === */
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 2px 6px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 3px;
  color: var(--md-text-primary);
}

[data-theme="dark"] code {
  background: rgba(255, 255, 255, 0.15);
  /* Increased contrast */
  color: #e0e0e0;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) code {
    background: rgba(255, 255, 255, 0.15);
    color: #e0e0e0;
  }
}

pre {
  background: rgba(0, 0, 0, 0.05);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: var(--space-4) 0;
}

[data-theme="dark"] pre {
  background: #1e1e1e;
  /* Solid dark background for better contrast */
  border: 1px solid rgba(255, 255, 255, 0.1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) pre {
    background: #1e1e1e;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
}

[data-theme="dark"] .page-header.scrolled {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.page-subtitle {
  display: none;
}

/* Ensure homepage bio is visible */
.hero .bio p {
  display: block;
}

.page-header h1 {
  font-size: 38px;
  font-weight: 400;
  margin: 0;
  color: var(--md-text-secondary);
  transform-origin: left center;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), color 0.3s ease;
  line-height: 1.1;
  will-change: transform;
}

.page-header.scrolled h1 {
  transform: scale(0.74);
  /* 28px / 38px ≈ 0.736 */
  color: var(--md-text-primary);
}

/* === Blog Post List === */
.post-list {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-4);
}

.post-item {
  border-bottom: 1px solid var(--md-divider);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: var(--space-5) var(--space-3) var(--space-5);
  margin: 0 calc(-1 * var(--space-3));
  border-radius: var(--radius-md);
}

.post-item:hover {
  background: var(--md-surface);
  box-shadow: var(--shadow-2);
  transform: translateY(-2px) scale(1.005);
  border-bottom-color: transparent;
}

.post-item:not(:hover) {
  transition:
    transform 0.3s ease-out,
    box-shadow 0.3s ease-out,
    background 0.3s ease-out,
    border-bottom-color 0.3s ease-out;
}

[data-theme="dark"] .post-item:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4), 0 4px 8px rgba(0, 0, 0, 0.3);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .post-item:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4), 0 4px 8px rgba(0, 0, 0, 0.3);
  }
}

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

.post-item-link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.post-title {
  font-size: var(--text-h5);
  font-weight: 500;
  margin: 0 0 var(--space-1);
  margin-top: 0 !important;
  color: var(--md-text-primary);
}

.post-item-link:hover .post-title {
  color: var(--md-primary);
}

.post-subtitle {
  font-size: var(--text-body1);
  color: var(--md-text-secondary);
  margin: 0 0 var(--space-2);
  font-style: normal;
}

/* 1. Hide "heavy" content inside the preview card (lists, code, extra headers) */
.post-item picture,
.post-item figure,
.post-item .gallery,
.post-item pre,
.post-item code,
.post-item ul,
.post-item ol,
.post-item blockquote {
  display: none !important;
}

/* 2. Hide Content Headings, BUT keep the main Title visible */
/* This selects all h2/h3/h4 that do NOT have the class 'post-title' */
.post-item h2:not(.post-title),
.post-item h3:not(.post-title),
.post-item h4 {
  display: none !important;
}

/* 3. Handle Images: Hide them by default... */
.post-item img {
  display: none !important;
}

/* 4. ...BUT show the very first image (Cover Photo) */
.post-item img:first-of-type {
  display: block !important;
  width: 100%;
  height: 300px;        /* Optional: Forces all cover photos to same height */
  object-fit: cover;    /* Crops the image neatly if it's too tall */
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
}

/* Keep your subtitle limiter (this was fine) */
.post-subtitle {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.post-meta {
  font-size: var(--text-body2);
  color: var(--md-text-disabled);
}

.post-meta .separator {
  margin: 0 var(--space-1);
}

.post-meta .tag {
  color: var(--md-text-disabled);
  text-decoration: none;
}

/* Removed hover effect for tags as requested */

/* Ensure nav links can be transformed */
nav a {
  display: inline-block;
  position: relative;
  transition: transform 0.2s ease;
}

.page-subtitle {
  font-size: var(--text-body1);
  color: var(--md-text-secondary);
  margin-top: var(--space-1);
  font-weight: 400;
}

/* === Material Cards === */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-3);
  margin: var(--space-8) 0;
}

.card {
  background: var(--md-surface);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  box-shadow: var(--shadow-1);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
  display: block;
  color: inherit;
}

.card:hover {
  box-shadow: var(--shadow-3);
  transform: translateY(-4px) scale(1.01);
  text-decoration: none;
}

[data-theme="dark"] .card:hover {
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.5), 0 10px 10px rgba(0, 0, 0, 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .card:hover {
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.5), 0 10px 10px rgba(0, 0, 0, 0.4);
  }
}

.card:not(:hover) {
  transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.card h3 {
  font-size: var(--text-h6);
  font-weight: 500;
  margin: 0 0 var(--space-2);
  color: var(--md-primary);
}

.card p {
  font-size: var(--text-body2);
  color: var(--md-text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* === Project List === */
.project-list {
  margin: var(--space-8) 0;
}

.project {
  background: var(--md-surface);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-3);
  box-shadow: var(--shadow-1);
  transition: box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.project:hover {
  box-shadow: var(--shadow-2);
}

.project-meta {
  font-size: var(--text-caption);
  color: var(--md-text-disabled);
  text-transform: uppercase;
  letter-spacing: 0.16667em;
  margin-bottom: var(--space-1);
  font-weight: 500;
}

.project-title {
  font-size: var(--text-h5);
  font-weight: 400;
  margin: 0 0 var(--space-2);
}

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

.project-description {
  font-size: var(--text-body1);
  line-height: 1.75;
  color: var(--md-text-secondary);
  margin-bottom: var(--space-3);
}

.project-link {
  font-size: var(--text-body2);
  font-weight: 500;
  color: var(--md-primary);
  text-transform: uppercase;
  letter-spacing: 0.08929em;
}

/* === Content === */
.content {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.content>*+* {
  margin-top: var(--space-2);
}

.content h2 {
  margin-top: var(--space-8);
}

.content h3 {
  margin-top: var(--space-6);
}

.content ul,
.content ol {
  padding-left: var(--space-4);
  margin-bottom: var(--space-2);
}

.content li {
  margin-bottom: var(--space-1);
  line-height: 1.75;
}

.content blockquote {
  border-left: 4px solid var(--md-primary-light);
  padding-left: var(--space-3);
  margin: var(--space-4) 0;
  font-style: italic;
  color: var(--md-text-secondary);
}

/* Fix for images inside markdown content */
.content img {
  max-width: 100%;       /* Forces image to fit within the text width */
  height: auto;          /* Keeps the aspect ratio correct */
  display: block;        /* Prevents weird spacing at the bottom */
  margin: var(--space-4) auto; /* Centers the image with vertical spacing */
  border-radius: var(--radius-md); /* OPTIONAL: Matches your theme's rounded corners */
  box-shadow: var(--shadow-1);     /* OPTIONAL: Adds a subtle shadow like your cards */
}

/* === Code Blocks === */
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 2px 6px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 3px;
  color: var(--md-text-primary);
}

[data-theme="dark"] code {
  background: rgba(255, 255, 255, 0.1);
  color: #f5f5f5;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) code {
    background: rgba(255, 255, 255, 0.1);
    color: #f5f5f5;
  }
}

pre {
  background: #f5f5f5;
  /* Light mode background */
  padding: var(--space-3);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: var(--space-4) 0;
  border: 1px solid var(--md-divider);
}

[data-theme="dark"] pre {
  background: #121212 !important;
  /* Match site background or slightly lighter */
  border: 1px solid rgba(255, 255, 255, 0.1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) pre {
    background: #121212 !important;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
}

pre code {
  padding: 0;
  border: none;
  font-size: 0.875em;
  color: inherit;
  background: transparent !important;
  /* Ensure no white background on code element */
}

/* Syntax Highlighting Overrides for Dark Mode */
[data-theme="dark"] pre code span,
[data-theme="dark"] pre code {
  color: #e0e0e0;
}

/* Specifically target gray/dimmed elements (comments, punctuation) */
[data-theme="dark"] .c,
[data-theme="dark"] .c1,
[data-theme="dark"] .cs,
[data-theme="dark"] .cm {
  color: #9e9e9e !important;
}

[data-theme="dark"] .p {
  color: #bdbdbd !important;
}

@media (prefers-color-scheme: dark) {

  :root:not([data-theme="light"]) pre code span,
  :root:not([data-theme="light"]) pre code {
    color: #e0e0e0;
  }

  :root:not([data-theme="light"]) .c,
  :root:not([data-theme="light"]) .c1,
  :root:not([data-theme="light"]) .cs,
  :root:not([data-theme="light"]) .cm {
    color: #9e9e9e !important;
  }

  :root:not([data-theme="light"]) .p {
    color: #bdbdbd !important;
  }
}

/* === Footer === */
footer {
  margin-top: var(--space-12);
  padding: var(--space-6) 0;
  border-top: 1px solid var(--md-divider);
}

/* === 404 Page === */
.error-page {
  text-align: center;
  padding: var(--space-12) 0;
}

.error-code {
  font-size: 8rem;
  font-weight: 300;
  color: var(--md-primary);
  margin: 0;
  line-height: 1;
}

.error-message {
  font-size: var(--text-h5);
  color: var(--md-text-secondary);
  margin: var(--space-4) 0 var(--space-8);
}

.back-link {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  background: var(--md-primary);
  color: white;
  text-decoration: none;
  border-radius: 9999px;
  /* Force pill shape */
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 500;
  box-shadow: var(--shadow-1);
}

.back-link:hover {
  background: var(--md-primary-dark);
  box-shadow: var(--shadow-2);
  transform: translateY(-2px);
  opacity: 1;
  color: white;
}

/* === Gallery === */
.gallery-placeholder {
  padding: var(--space-12);
  text-align: center;
  background: rgba(0, 0, 0, 0.02);
  border-radius: var(--radius-md);
  border: 1px dashed var(--md-divider);
  color: var(--md-text-secondary);
}

.footer-content {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--space-3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--text-body2);
  color: var(--md-text-secondary);
}

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-links a {
  color: var(--md-text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08929em;
  font-size: var(--text-caption);
}

.social-links a:hover {
  color: var(--md-primary);
}

/* === Section === */
.section {
  padding: var(--space-8) 0;
}

.section-header {
  margin-bottom: var(--space-6);
}

.section-header h2 {
  margin: 0;
  font-weight: 400;
}

.section-header .subtitle {
  font-size: var(--text-body2);
  color: var(--md-text-secondary);
  margin-top: var(--space-1);
}

/* === Animations === */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

.fade-in {
  animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Responsive === */
@media (max-width: 768px) {
  :root {
    --text-h3: 34px;
    --text-h4: 24px;
    --text-h5: 20px;
  }

  .hero {
    padding: var(--space-8) 0 var(--space-6);
  }

  nav ul {
    gap: var(--space-2);
  }

  .cards {
    grid-template-columns: 1fr;
  }
}

/* === Accessible Focus States === */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--md-primary);
  outline-offset: 4px;
  border-radius: 4px;
  transition: outline-offset 0.2s ease;
}

a:focus-visible:hover,
button:focus-visible:hover {
  outline-offset: 6px;
}

/* === Reduced Motion Support === */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* === Utilities === */
.text-center {
  text-align: center;
}

.mt-8 {
  margin-top: var(--space-8);
}

.mb-8 {
  margin-bottom: var(--space-8);
}