styles.css

/* ============================================
   dart_node - Unified Stylesheet
   NO SECTION-SPECIFIC STYLES - All classes are global
   ============================================ */

/* CSS Custom Properties (Design Tokens) */
:root {
  /* Colors - Original scheme (no purple!) */
  --color-primary: #0E7C6B;
  --color-primary-light: #10A08A;
  --color-primary-dark: #0A5C50;
  --color-secondary: #E85D3B;
  --color-secondary-light: #F07858;
  --color-secondary-dark: #C74A2A;
  --color-accent: #2C89C7;
  --color-accent-light: #4AA3E0;
  --color-accent-dark: #1E6A9E;

  /* Neutral colors */
  --color-gray-50: #FAFBFC;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;

  /* Semantic colors */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  --color-info: #3B82F6;

  /* Light theme (default) */
  --bg-primary: var(--color-gray-50);
  --bg-secondary: #FFFFFF;
  --bg-tertiary: var(--color-gray-100);
  --text-primary: var(--color-gray-900);
  --text-secondary: var(--color-gray-600);
  --text-tertiary: var(--color-gray-500);
  --border-color: var(--color-gray-200);
  --code-bg: var(--color-gray-100);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, monospace;

  /* Font sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-smooth: 250ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-width: 1200px;
  --header-height: 64px;
  --sidebar-width: 280px;
}

/* Dark theme */
[data-theme="dark"] {
  --bg-primary: #0F1419;
  --bg-secondary: #1A1F26;
  --bg-tertiary: #242B33;
  --text-primary: #F3F4F6;
  --text-secondary: #9CA3AF;
  --text-tertiary: #6B7280;
  --border-color: #374151;
  --code-bg: #1A1F26;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + var(--space-4));
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
  overflow-x: hidden;
}

/* Typography - Unified across ALL sections */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

h1 {
  font-size: var(--text-4xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--text-3xl);
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
}

h6 {
  font-size: var(--text-base);
}

p {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
}

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

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

strong {
  font-weight: 600;
}

/* Lists */
ul, ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

li {
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
}

/* Code - Unified styling */
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 0.2em 0.4em;
  background: var(--code-bg);
  border-radius: var(--radius-sm);
  color: var(--color-primary-light);
  word-break: break-word;
}

pre {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.7;
  padding: var(--space-4);
  background: var(--code-bg);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: var(--space-4);
}

pre code {
  padding: 0;
  background: none;
  color: inherit;
  word-break: normal;
  white-space: pre;
  display: block;
}

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  overflow: visible;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  overflow: visible;
}

.header .container {
  overflow: visible;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--text-primary);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.external-icon {
  font-size: var(--text-sm);
  margin-left: var(--space-1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Language Switcher */
.language-switcher {
  position: relative;
}

.language-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  height: 40px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
}

.language-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.language-btn .chevron {
  transition: transform var(--transition-fast);
}

.language-switcher.open .language-btn .chevron {
  transform: rotate(180deg);
}

.language-dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  min-width: 140px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  list-style: none;
  margin: 0;
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 1000;
}

.language-switcher.open .language-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.language-dropdown li {
  margin: 0;
}

.language-dropdown a {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.language-dropdown a:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.language-dropdown a.active {
  background: var(--color-primary);
  color: white;
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

[data-theme="light"] .icon-moon {
  display: none;
}

[data-theme="dark"] .icon-sun {
  display: none;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-2);
  background: transparent;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-fast);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-light);
  color: white;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
}

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

/* Page Sections - Unified padding for all content sections */
.page-section {
  padding: var(--space-16) 0;
}

/* Hero Section */
.hero {
  padding: var(--space-20) 0;
  text-align: center;
}

.hero h1 {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-6);
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto var(--space-8);
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-code {
  max-width: 100%;
  margin: var(--space-12) auto 0;
  text-align: left;
  overflow-x: auto;
}

/* Feature Cards */
.features {
  padding: var(--space-16) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.feature-card {
  padding: var(--space-6);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  min-width: 0;
}

.feature-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  font-size: var(--text-xl);
}

.feature-card h3 {
  margin-bottom: var(--space-2);
}

.feature-card p {
  margin: 0;
  color: var(--text-secondary);
}

/* Section titles */
.section-title {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-title h2 {
  margin-bottom: var(--space-4);
}

.section-title p {
  max-width: 600px;
  margin: 0 auto;
}

/* Summary & block helpers */
.summary-section { background: var(--bg-secondary); padding: var(--space-6) 0; }
.summary-text { font-size: 1.1rem; line-height: 1.7; max-width: 800px; margin: 0 auto; text-align: center; }
.block-title { margin-bottom: var(--space-4); }
.block-subtitle { margin-bottom: var(--space-6); }
.audience-block-border { margin-top: var(--space-12); padding-top: var(--space-8); border-top: 1px solid var(--border-color); }

/* Code Comparison */
.code-comparison {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.code-block {
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-width: 0;
}

.code-block-header {
  padding: var(--space-3) var(--space-4);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  font-weight: 500;
  font-size: var(--text-sm);
}

/* Audience Tabs */
.audience-section {
  padding: var(--space-16) 0;
  background: var(--bg-secondary);
}

.audience-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.audience-tab {
  padding: var(--space-3) var(--space-6);
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.audience-tab:hover,
.audience-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.audience-content {
  display: none;
  animation: fadeIn var(--transition-base);
}

.audience-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Docs Layout */
.docs-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: calc(100vh - var(--header-height));
}

.docs-sidebar {
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
  padding: var(--space-6);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
}

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

.sidebar-section h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-3);
}

.sidebar-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-section li {
  margin: 0;
}

.sidebar-section a {
  display: block;
  padding: var(--space-2) var(--space-3);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.sidebar-section a:hover,
.sidebar-section a.active {
  background: var(--bg-tertiary);
  color: var(--color-primary);
}

.docs-content {
  padding: var(--space-8);
  overflow-x: hidden;
}

.docs-content h1 {
  margin-bottom: var(--space-6);
}

.docs-content h2 {
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-color);
}

.docs-content h3 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

/* Blog Layout - Uses page-section for consistent padding */
.blog-list {
  padding: var(--space-16) 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
}

.blog-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.blog-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.blog-card-content {
  padding: var(--space-6);
}

.blog-card-meta {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
}

.blog-card h3 {
  margin-bottom: var(--space-2);
}

.blog-card h3 a {
  color: var(--text-primary);
}

.blog-card h3 a:hover {
  color: var(--color-primary);
}

/* Blog post uses page-section padding */
.blog-post {
  padding: var(--space-16) 0;
}

.blog-post-header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.blog-post-meta {
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
}

/* Content wrapper - shared between blog and docs */
.content-wrapper {
  max-width: 720px;
  margin: 0 auto;
}

.blog-post-content {
  max-width: 720px;
  margin: 0 auto;
}

/* Tags (blog post tags, NOT syntax highlighting tokens) */
.tag:not(.token) {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-full);
}

.tag-secondary {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-6);
}

th, td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  font-weight: 600;
  background: var(--bg-tertiary);
}

/* Blockquotes */
blockquote {
  margin: var(--space-6) 0;
  padding: var(--space-4) var(--space-6);
  border-left: 4px solid var(--color-primary);
  background: var(--bg-tertiary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

blockquote p {
  margin: 0;
  color: var(--text-primary);
}

/* Callouts */
.callout {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  border-left: 4px solid;
}

.callout-info {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--color-info);
}

.callout-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: var(--color-warning);
}

.callout-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--color-success);
}

.callout-error {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--color-error);
}

/* Footer */
.footer {
  padding: var(--space-16) 0 var(--space-8);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-section h3 {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section li {
  margin-bottom: var(--space-2);
}

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

.footer-section a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-bottom p {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
}

/* Syntax Highlighting (Prism theme compatible) */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: var(--color-gray-500);
}

.token.punctuation {
  color: var(--text-secondary);
}

.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol,
.token.deleted {
  color: var(--color-secondary);
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
  color: var(--color-success);
}

.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string {
  color: var(--color-warning);
}

.token.atrule,
.token.attr-value,
.token.keyword {
  color: var(--color-accent);
}

.token.function,
.token.class-name {
  color: var(--color-primary);
}

.token.regex,
.token.important,
.token.variable {
  color: var(--color-secondary);
}

/* Responsive */
@media (max-width: 1024px) {
  .docs-layout {
    grid-template-columns: 1fr;
  }

  .docs-sidebar {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    z-index: 50;
  }

  .docs-sidebar.open {
    display: block;
  }
}

@media (max-width: 768px) {
  :root {
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
    --text-3xl: 1.375rem;
    --text-2xl: 1.25rem;
  }

  .container {
    padding: 0 var(--space-3);
  }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    padding: var(--space-4);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    gap: var(--space-2);
  }

  .nav-links.open {
    display: flex;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .page-section,
  .blog-post,
  .blog-list {
    padding: var(--space-10) 0;
  }

  .hero {
    padding: var(--space-10) 0;
  }

  .hero h1 {
    font-size: var(--text-4xl);
  }

  .hero h1 br {
    display: none;
  }

  .hero-subtitle {
    font-size: var(--text-base);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

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

  pre {
    font-size: var(--text-xs);
    padding: var(--space-3);
    border-radius: var(--radius-md);
  }

  .code-comparison {
    grid-template-columns: 1fr;
  }

  .code-block-header {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .feature-card {
    padding: var(--space-4);
  }

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

  .section-title h2 {
    font-size: var(--text-2xl);
  }

  table {
    font-size: var(--text-sm);
  }

  th, td {
    padding: var(--space-2);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .audience-tabs {
    flex-wrap: wrap;
  }

  .audience-tab {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
  }

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

@media (max-width: 480px) {
  :root {
    --text-5xl: 1.75rem;
    --text-4xl: 1.5rem;
    --text-3xl: 1.25rem;
    --text-2xl: 1.125rem;
    --text-xl: 1rem;
  }

  .container {
    padding: 0 var(--space-4);
  }

  .page-section,
  .blog-post,
  .blog-list {
    padding: var(--space-8) 0;
  }

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

  pre {
    font-size: 0.65rem;
    padding: var(--space-2);
  }

  .btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
  }

  .btn-large {
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-base);
  }

  .feature-icon {
    width: 40px;
    height: 40px;
    font-size: var(--text-base);
  }

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

  .theme-toggle {
    width: 36px;
    height: 36px;
  }

  .language-btn {
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    height: 36px;
  }

  .language-btn span:not(.chevron) {
    display: none;
  }

  .language-dropdown {
    right: 0;
    left: auto;
    min-width: 120px;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }

.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

/* API Documentation Styles */

/* Code-like elements in API docs should be monospace */
.docs-content .name,
.docs-content .signature,
.docs-content .type-annotation,
.docs-content .returntype,
.docs-content .parameter-name,
.docs-content .callable .name,
.docs-content .property .name,
.docs-content .kind-class,
.docs-content .kind-function,
.docs-content .kind-property,
.docs-content .kind-method,
.docs-content .kind-constructor,
.docs-content .clazz-relationships a,
.docs-content dl dd a,
.docs-content dl dd li {
  font-family: var(--font-mono);
}

/* Name styling */
.docs-content .name {
  font-weight: 600;
  color: var(--color-primary);
}

.docs-content .name a {
  color: var(--color-primary);
}

/* Signature styling */
.docs-content .signature {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.docs-content .type-annotation,
.docs-content .returntype {
  color: var(--color-accent);
}

.docs-content .parameter-name {
  color: var(--text-primary);
}

/* Definition lists (properties, methods, constructors) */
.docs-content dl {
  margin: var(--space-4) 0;
}

.docs-content dt {
  padding: var(--space-3) 0;
  font-weight: 600;
  color: var(--text-primary);
}

.docs-content dd {
  padding: var(--space-2) 0 var(--space-3) var(--space-4);
  color: var(--text-secondary);
  margin: 0;
}

/* Constructor/method/property definition items - these have .callable or .property class */
.docs-content dt.callable,
.docs-content dt.property {
  font-family: var(--font-mono);
  border-bottom: 1px solid var(--border-color);
}

.docs-content dt.callable:last-of-type,
.docs-content dt.property:last-of-type {
  border-bottom: none;
}

/* Features badges (no setter, inherited, etc.) */
.docs-content .features {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

.docs-content .features .feature {
  display: inline-block;
  padding: 0.1em 0.5em;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  margin-right: var(--space-1);
}

/* Code blocks */
.docs-content pre {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  background: var(--code-bg);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: var(--space-4) 0;
}

/* Inline code in descriptions */
.docs-content .desc code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--code-bg);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
}

/* Section headers in API docs */
.docs-content section h2 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-color);
}

/* External documentation links */
.external-docs {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
}

.external-docs h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
}

.external-docs ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.external-docs li {
  margin: 0;
}

.external-docs a {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-primary);
  transition: all var(--transition-fast);
}

.external-docs a:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Mermaid diagrams */
.mermaid {
  background: var(--bg-tertiary);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin: var(--space-4) 0;
  text-align: center;
}

/* Markdown section styling */
.desc.markdown h1,
.desc.markdown h2 {
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.desc.markdown p {
  margin-bottom: var(--space-3);
}

.desc.markdown pre {
  margin: var(--space-4) 0;
}

/* Blog navigation */
.blog-nav {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-color);
}

.blog-nav-link {
  padding: var(--space-2) var(--space-4);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.blog-nav-link:hover {
  background: var(--color-primary);
  color: white;
}

/* Tag cloud */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.tag-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.tag-link:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.tag-count {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.tag-link:hover .tag-count {
  color: rgba(255, 255, 255, 0.8);
}

/* Category grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-6);
}

.category-card {
  display: block;
  padding: var(--space-6);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.category-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.category-card h3 {
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.category-card p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* Tag styling - make clickable */
.tag.tag-secondary {
  text-decoration: none;
  transition: all var(--transition-fast);
}

a.tag.tag-secondary:hover {
  background: var(--color-primary);
  color: white;
}

.tag-active {
  background: var(--color-primary) !important;
  color: white !important;
}

/* ============================================
   Animations & Transitions
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
}

/* Buttons - noticeable lift */
.btn {
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
  box-shadow: 0 10px 30px rgba(14, 124, 107, 0.5);
}

.btn:active {
  transform: translateY(-1px) scale(1);
  transition-duration: 0.1s;
}

/* Cards - clear rise effect */
.feature-card,
.blog-card,
.category-card {
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.feature-card:hover,
.blog-card:hover,
.category-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--color-primary);
}

/* Navigation underline - visible slide from center */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--color-primary);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform: translateX(-50%);
  border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Links - visible color change */
a {
  transition: color 0.25s ease, opacity 0.25s ease;
}

a:hover {
  opacity: 0.85;
}

/* Theme toggle */
.theme-toggle {
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
}

/* Language button */
.language-btn {
  transition: all 0.25s ease;
}

.language-btn:hover {
  border-color: var(--color-primary);
  background: var(--bg-tertiary);
}

/* Tags - visible lift */
.tag:not(.token),
.tag-link {
  transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.tag-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.12);
}

a.tag.tag-secondary:hover {
  transform: translateY(-2px);
}

/* Sidebar links - clear indicator */
.sidebar-section a {
  transition: all 0.25s ease;
  border-left: 3px solid transparent;
  margin-left: -3px;
}

.sidebar-section a:hover,
.sidebar-section a.active {
  border-left-color: var(--color-primary);
  padding-left: calc(var(--space-3) + 6px);
  background: rgba(14, 124, 107, 0.08);
}

/* Feature icon - noticeable scale */
.feature-card .feature-icon {
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.feature-card:hover .feature-icon {
  transform: scale(1.15) rotate(3deg);
}

/* Logo - slight scale */
.logo {
  transition: all 0.25s ease;
}

.logo:hover {
  transform: scale(1.03);
  color: var(--color-primary);
}

/* External docs links */
.external-docs a {
  transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.external-docs a:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.12);
}

/* Header */
.header {
  transition: box-shadow 0.3s ease, background-color 0.3s ease;
}

/* Dropdown */
.language-dropdown {
  transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Mobile menu hamburger */
.mobile-menu-toggle span {
  transition: all 0.3s ease;
}