/*
 * default Design System
 * Version: 2.0.0
 * MarkoPress default theme (VitePress-inspired with Indigo brand color)
 * Auto-generated from design tokens
 */

:root,
html {
  --color-primary-1: #3451b2;
  --color-primary-2: #3a5ccc;
  --color-primary-3: #5672cd;
  --color-primary-soft: rgba(100, 108, 255, 0.14);
  --color-success-1: #059669;
  --color-success-2: #10b981;
  --color-success-3: #34d399;
  --color-success-soft: rgba(16, 185, 129, 0.1);
  --color-warning-1: #d97706;
  --color-warning-2: #f59e0b;
  --color-warning-3: #fbbf24;
  --color-warning-soft: rgba(245, 158, 11, 0.1);
  --color-danger-1: #dc2626;
  --color-danger-2: #ef4444;
  --color-danger-3: #f87171;
  --color-danger-soft: rgba(239, 68, 68, 0.1);
  --color-info-1: #0891b2;
  --color-info-2: #06b6d4;
  --color-info-3: #22d3ee;
  --color-info-soft: rgba(6, 182, 212, 0.1);
  --color-gray-1: #e5e7eb;
  --color-gray-2: #f3f4f6;
  --color-gray-3: #f9fafb;
  --color-gray-soft: rgba(107, 114, 128, 0.1);
  --bg-default: #ffffff;
  --bg-alt: #f9fafb;
  --bg-elevated: #ffffff;
  --bg-soft: #f3f4f6;
  --text-1: #111827;
  --text-2: #4b5563;
  --text-3: #6b7280;
  --border-default: #e5e7eb;
  --border-divider: #e5e7eb;
  --border-gutter: #e5e7eb;
  --divider: #e5e7eb;
  --soft-brand: rgba(59, 130, 246, 0.1);
  --soft-gray: rgba(107, 114, 128, 0.1);
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  --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;
  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-2: 0 3px 12px rgba(0, 0, 0, 0.07), 0 1px 4px rgba(0, 0, 0, 0.07);
  --shadow-3: 0 12px 32px rgba(0, 0, 0, 0.1), 0 2px 6px rgba(0, 0, 0, 0.08);
  --shadow-4: 0 20px 50px rgba(0, 0, 0, 0.12), 0 4px 10px rgba(0, 0, 0, 0.08);
  --shadow-5: 0 25px 70px rgba(0, 0, 0, 0.15), 0 8px 16px rgba(0, 0, 0, 0.1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition-base: 250ms ease-in-out;
  --transition-fast: 150ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
  --layout-max-width: 1440px;
  --navbar-height: 64px;
  --sidebar-width: 280px;
  --toc-width: 240px;
  --z-footer: 10;
  --z-local-nav: 20;
  --z-nav: 30;
  --z-layout-top: 40;
  --z-backdrop: 50;
  --z-sidebar: 60;
}

:root.dark,
html.dark {
  --color-primary-1: #a8b1ff;
  --color-primary-2: #3a5ccc;
  --color-primary-3: #3451b2;
  --color-primary-soft: rgba(100, 108, 255, 0.16);
  --color-success-1: #34d399;
  --color-success-2: #10b981;
  --color-success-3: #059669;
  --color-success-soft: rgba(52, 211, 153, 0.15);
  --color-warning-1: #fbbf24;
  --color-warning-2: #f59e0b;
  --color-warning-3: #d97706;
  --color-warning-soft: rgba(251, 191, 36, 0.15);
  --color-danger-1: #f87171;
  --color-danger-2: #ef4444;
  --color-danger-3: #dc2626;
  --color-danger-soft: rgba(248, 113, 113, 0.15);
  --color-info-1: #22d3ee;
  --color-info-2: #06b6d4;
  --color-info-3: #0891b2;
  --color-info-soft: rgba(34, 211, 238, 0.15);
  --color-gray-1: #374151;
  --color-gray-2: #1f2937;
  --color-gray-3: #111827;
  --color-gray-soft: rgba(107, 114, 128, 0.15);
  --bg-default: #1b1b1f;
  --bg-alt: #1f2937;
  --bg-elevated: #2d2d30;
  --bg-soft: #252529;
  --text-1: #f9fafb;
  --text-2: #d1d5db;
  --text-3: #9ca3af;
  --border-default: #374151;
  --border-divider: #1f2937;
  --border-gutter: #1f2937;
  --divider: #1f2937;
  --soft-brand: rgba(96, 165, 250, 0.15);
  --soft-gray: rgba(156, 162, 173, 0.15);
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  --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;
  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-2: 0 3px 12px rgba(0, 0, 0, 0.07), 0 1px 4px rgba(0, 0, 0, 0.07);
  --shadow-3: 0 12px 32px rgba(0, 0, 0, 0.1), 0 2px 6px rgba(0, 0, 0, 0.08);
  --shadow-4: 0 20px 50px rgba(0, 0, 0, 0.12), 0 4px 10px rgba(0, 0, 0, 0.08);
  --shadow-5: 0 25px 70px rgba(0, 0, 0, 0.15), 0 8px 16px rgba(0, 0, 0, 0.1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition-base: 250ms ease-in-out;
  --transition-fast: 150ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
  --layout-max-width: 1440px;
  --navbar-height: 64px;
  --sidebar-width: 280px;
  --toc-width: 240px;
  --z-footer: 10;
  --z-local-nav: 20;
  --z-nav: 30;
  --z-layout-top: 40;
  --z-backdrop: 50;
  --z-sidebar: 60;
}

/* Component Styles */
/**
 * MarkoPress Default Theme Styles
 * Hybrid approach: VitePress aesthetics + Docusaurus features
 * Minimal, clean, elegant design with powerful features
 */

/* ============================================
   CSS VARIABLES - Light & Dark Themes
   ============================================ */

:root {
  /* Colors - Light Mode */
  --c-white: #ffffff;
  --c-black: #000000;
  --c-gray-50: #f9fafb;
  --c-gray-100: #f3f4f6;
  --c-gray-200: #e5e7eb;
  --c-gray-300: #d1d5db;
  --c-gray-400: #9ca3af;
  --c-gray-500: #6b7280;
  --c-gray-600: #4b5563;
  --c-gray-700: #374151;
  --c-gray-800: #1f2937;
  --c-gray-900: #111827;

  /* Accent Colors */
  --c-brand: #3b82f6;
  --c-brand-light: #60a5fa;
  --c-brand-dark: #2563eb;
  --c-success: #10b981;
  --c-warning: #f59e0b;
  --c-danger: #ef4444;
  --c-info: #06b6d4;

  /* Semantic Mappings - fallbacks to design system variables */
  --bg-primary: var(--bg-default, #ffffff);
  --bg-secondary: var(--bg-alt, #f9fafb);
  --bg-tertiary: var(--bg-soft, #f3f4f6);
  --bg-code: var(--c-gray-900);
  --bg-code-inline: var(--bg-soft, #f3f4f6);

  --text-primary: var(--text-1, #111827);
  --text-secondary: var(--text-2, #4b5563);
  --text-tertiary: var(--text-3, #6b7280);
  --text-code: var(--c-gray-100);
  --text-inverse: var(--c-white);

  --border-color: var(--border-default, #e5e7eb);
  --border-hover: var(--border-divider, #e5e7eb);

  --accent-primary: var(--color-primary-3);
  --accent-hover: var(--color-primary-1);
  --accent-bg: rgba(59, 130, 246, 0.1);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* 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;

  /* Layout */
  --navbar-height: 64px;
  --sidebar-width: 280px;
  --toc-width: 240px;
  --container-max-width: 1440px;
  --content-max-width: 960px;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;

  --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;

  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
}

/* Dark Mode */
.dark {
  --bg-primary: var(--bg-default);
  --bg-secondary: var(--bg-alt);
  --bg-tertiary: var(--bg-soft);
  --bg-code: var(--c-gray-950);
  --bg-code-inline: var(--bg-soft);

  --text-primary: var(--text-1);
  --text-secondary: var(--text-2);
  --text-tertiary: var(--text-3);
  --text-code: var(--c-gray-100);
  --text-inverse: var(--c-gray-900);

  --border-color: var(--border-default);
  --border-hover: var(--border-divider);

  --accent-bg: rgba(96, 165, 250, 0.15);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Focus visible for accessibility */
*:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

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

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

/* Skip to content (accessibility) */
.skip-to-content {
  position: absolute;
  top: -40px;
  left: 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--accent-primary);
  color: var(--text-inverse);
  text-decoration: none;
  z-index: 9999;
}

.skip-to-content:focus {
  top: 0;
}

/* ============================================
   LAYOUT COMPONENTS
   ============================================ */

.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.background-pattern {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.03;
  background-image: radial-gradient(var(--text-primary) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: -1;
}

.layout-container {
  display: flex;
  flex: 1;
  margin-top: var(--navbar-height);
}

/* ============================================
   NAVBAR
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  z-index: 50;
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.navbar-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: var(--font-semibold);
  font-size: var(--text-lg);
  color: var(--text-primary);
}

.navbar-logo {
  width: 32px;
  height: 32px;
}

.navbar-title {
  white-space: nowrap;
}

.navbar-nav {
  display: none;
  gap: var(--space-md);
  align-items: center;
}

@media (min-width: 768px) {
  .navbar-nav {
    display: flex;
  }
}

/* Navigation links */
.nav-link {
  color: var(--text-2);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.nav-link:hover {
  color: var(--color-primary-3);
  background: var(--bg-soft);
}

.nav-link.active {
  color: var(--color-primary-3);
  background: var(--color-primary-soft);
}

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

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

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

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

@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.navbar-mobile-menu {
  display: flex;
  flex-direction: column;
  padding: var(--space-md);
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
}

@media (min-width: 768px) {
  .navbar-mobile-menu {
    display: none;
  }
}

/* ============================================
   SIDEBAR
   ============================================ */

.sidebar {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  overflow-x: hidden;
  transition: transform var(--transition-base);
  z-index: 40;
}

.sidebar.collapsed {
  transform: translateX(-100%);
}

.sidebar-container {
  padding: var(--space-lg);
}

.sidebar-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: var(--space-md);
  padding: 0;
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.sidebar-toggle-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* Sidebar navigation */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-md);
}

.sidebar-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: var(--text-2);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  line-height: 1.4;
  min-height: 36px;
  word-wrap: break-word;
  overflow-wrap: break-word;
  white-space: normal;
}

.sidebar-link:hover {
  color: var(--text-1);
  background: var(--bg-soft);
}

.sidebar-link.active {
  color: var(--color-primary-1);
  background: var(--color-primary-soft);
  font-weight: var(--font-weight-semibold);
  border-left: 2px solid var(--color-primary-1);
  padding-left: calc(var(--space-md) - 2px);
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.main-wrapper {
  display: flex;
  flex: 1;
  margin-top: var(--navbar-height);
  min-height: calc(100vh - var(--navbar-height));
}

@media (min-width: 1024px) {
  .main-wrapper.has-sidebar {
    padding-left: var(--sidebar-width);
  }
}

.main-content {
  flex: 1;
  min-width: 0;
  padding: var(--space-xl) var(--space-lg);
}

@media (min-width: 1024px) {
  .main-content {
    max-width: var(--content-max-width);
    margin: 0 auto;
  }
}

/* Container */
.container {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.breadcrumb-item:not(:last-child)::after {
  content: '/';
  opacity: 0.5;
}

.breadcrumb-link {
  color: var(--text-secondary);
}

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

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: var(--font-medium);
}

/* Prev/Next Navigation */
.page-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-color);
}

.page-nav-prev,
.page-nav-next {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.page-nav-prev:hover,
.page-nav-next:hover {
  border-color: var(--accent-primary);
  background: var(--bg-tertiary);
}

.page-nav-prev {
  grid-column: 1;
  text-align: left;
}

.page-nav-next {
  grid-column: 2;
  text-align: right;
}

.page-nav-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  color: var(--text-secondary);
}

.page-nav-title {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
}

/* ============================================
   TABLE OF CONTENTS
   ============================================ */

.toc-aside {
  display: none;
  position: fixed;
  top: calc(var(--navbar-height) + var(--space-xl));
  right: var(--space-lg);
  width: var(--toc-width);
  max-height: calc(100vh - var(--navbar-height) - var(--space-2xl));
  overflow-y: auto;
}

@media (min-width: 1440px) {
  .toc-aside {
    display: block;
  }
}

.toc-container {
  padding: var(--space-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.toc-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
  text-transform: uppercase;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  padding: var(--space-3xl) var(--space-lg);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

.footer-content {
  max-width: var(--container-max-width);
  margin: 0 auto;
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* ============================================
   CUSTOM CONTAINERS
   ============================================ */

.custom-container {
  margin: var(--space-lg) 0;
  padding: var(--space-md) var(--space-lg);
  border-left: 4px solid;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
}

.custom-container.tip {
  border-color: var(--c-success);
  background: rgba(16, 185, 129, 0.05);
}

.custom-container.warning {
  border-color: var(--c-warning);
  background: rgba(245, 158, 11, 0.05);
}

.custom-container.danger {
  border-color: var(--c-danger);
  background: rgba(239, 68, 68, 0.05);
}

.custom-container.info,
.custom-container.note {
  border-color: var(--c-info);
  background: rgba(6, 182, 212, 0.05);
}

.custom-container-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-sm);
}

/* ============================================
   CODE BLOCKS - VitePress Style
   ============================================ */

/* Inline code */
:not(pre) > code {
  padding: 3px 6px;
  background: rgba(142, 150, 170, 0.14);
  color: var(--accent-primary);
  font-family: var(--font-mono);
  font-size: 0.875em;
  border-radius: 4px;
  transition: color 0.25s, background-color 0.5s;
}

/* Code blocks - VitePress style */
pre {
  position: relative;
  margin: 16px 0;
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 0.875em;
  line-height: 1.7;
  overflow-x: auto;
  border-radius: 8px;
}

/* Shiki syntax highlighting - override Shiki's inline styles for visible backgrounds */
pre.shiki {
  background: #f6f8fa !important; /* Override Shiki's white background */
  color: var(--text-secondary, #4b5563);
}

/* Dark mode - Shiki uses --shiki-dark-bg variable */
.dark pre.shiki,
html.dark pre.shiki {
  background: #1e1e1e !important;
  color: #e1e4e8;
}

/* Fallback for non-Shiki code blocks */
pre:not(.shiki) {
  background: var(--bg-alt, #f6f8fa);
  color: var(--text-secondary, #4b5563);
}

/* Code blocks with line numbers - override padding */
pre.line-numbers {
  padding-left: 24px;
  padding-right: 24px;
}

/* Line numbers */
.line-numbers .line {
  position: relative;
  padding-left: 44px;
  display: block;
}

.line-numbers .line::before {
  content: attr(data-line);
  position: absolute;
  left: 8px;
  width: 28px;
  text-align: right;
  color: var(--text-3);
  font-size: 0.75em;
  user-select: none;
  opacity: 0.6;
}

/* Code title */
.code-block {
  margin: 16px 0;
}

.code-title {
  padding: 0.25rem 0.5rem;
  background: var(--bg-alt);
  color: var(--text-secondary);
  font-size: 12px;
  font-family: var(--font-mono);
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
}

.code-block pre {
  margin: 0;
  border-radius: 0 0 8px 8px;
}

/* ============================================
   DESIGN SYSTEM ACCENTS
   ============================================ */

/* Selected text */
::selection {
  background: var(--color-primary-soft);
  color: var(--text-1);
}

/* Primary buttons */
.btn-primary {
  background: var(--color-primary-3);
  color: var(--bg-default);
  border: none;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.btn-primary:hover {
  background: var(--color-primary-2);
}

/* Blockquotes */
blockquote {
  border-left: 4px solid var(--color-primary-3);
  padding-left: var(--space-md);
  color: var(--text-2);
  margin: var(--space-md) 0;
}

/* Header anchors */
a.header-anchor {
  color: var(--color-primary-3);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

h1:hover .header-anchor,
h2:hover .header-anchor,
h3:hover .header-anchor,
h4:hover .header-anchor {
  opacity: 1;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
}

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

table th {
  background: var(--color-primary-soft);
  color: var(--text-1);
  font-weight: var(--font-weight-semibold);
}

table tr:hover {
  background: var(--bg-soft);
}

/* Focus rings */
*:focus-visible {
  outline: 2px solid var(--color-primary-3);
  outline-offset: 2px;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar:not(.collapsed) {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }

  .main-content {
    margin-left: 0 !important;
  }
}

@media (max-width: 768px) {
  :root {
    --navbar-height: 56px;
  }

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

  .main-content {
    padding: var(--space-lg) var(--space-md);
  }

  .page-nav {
    grid-template-columns: 1fr;
  }

  .page-nav-next {
    grid-column: 1;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-bold { font-weight: var(--font-bold); }
.font-semibold { font-weight: var(--font-semibold); }
.font-medium { font-weight: var(--font-medium); }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }