/* Jankx Framework Documentation - Modern CSS */

/* CSS Custom Properties for theming */
:root {
  /* Colors - Light Theme */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-secondary: #64748b;
  --color-accent: #f59e0b;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-background: #ffffff;
  --color-surface: #f8fafc;
  --color-border: #e2e8f0;
  --color-code: #1e293b;
  --color-code-background: #f1f5f9;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 30px;
  --line-height: 1.6;
  --line-height-tight: 1.4;

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

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

  /* 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: all 0.2s ease-in-out;

  /* Layout */
  --header-height: 70px;
  --sidebar-width: 280px;
  --container-max-width: 1200px;
}

/* Dark Theme */
[data-theme="dark"] {
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-secondary: #94a3b8;
  --color-accent: #fbbf24;
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-background: #0f172a;
  --color-surface: #1e293b;
  --color-border: #334155;
  --color-code: #f1f5f9;
  --color-code-background: #1e293b;
}

/* Reset and base styles */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  width: 100%;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-background);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  width: 100%;
  box-sizing: border-box;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family);
  font-weight: 600;
  line-height: var(--line-height-tight);
  margin: 0 0 var(--spacing-md) 0;
  color: var(--color-text);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

p {
  margin: 0 0 var(--spacing-md) 0;
}

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

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

/* Layout */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  width: 100%;
  box-sizing: border-box;
}

/* Responsive container */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-xs);
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo img {
  height: var(--spacing-xl);
  width: auto;
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
  position: relative;
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-lg);
  transition: var(--transition);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}

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

/* Dropdown */
.has-dropdown .dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 1000;
}

.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  transition: var(--transition);
}

.dropdown-link:hover,
.dropdown-link.active {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.search-toggle,
.theme-toggle,
.mobile-menu-toggle,
.nav-toggle {
  background: none;
  border: none;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition);
}

.search-toggle:hover,
.theme-toggle:hover,
.mobile-menu-toggle:hover,
.nav-toggle:hover {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

/* Navigation toggle */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  color: var(--color-text);
  transition: var(--transition);
}

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

.nav-toggle i {
  transition: var(--transition);
}

.nav-toggle.active i {
  transform: rotate(180deg);
}

/* Collapsible navigation */
.nav-collapsible {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 250px;
  height: calc(100vh - var(--header-height));
  background-color: var(--color-background);
  border-right: 1px solid var(--color-border);
  transform: translateX(-100%);
  transition: var(--transition);
  z-index: 999;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.nav-collapsible.active {
  transform: translateX(0);
}

.nav-collapsible-content {
  padding: var(--spacing-lg);
}

.nav-collapsible .nav-list {
  flex-direction: column;
  gap: var(--spacing-sm);
}

.nav-collapsible .nav-item {
  width: 100%;
}

.nav-collapsible .nav-link {
  width: 100%;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  justify-content: flex-start;
}

.nav-collapsible .dropdown {
  position: static;
  opacity: 1;
  visibility: visible;
  transform: none;
  box-shadow: none;
  border: none;
  background-color: var(--color-surface);
  margin-top: var(--spacing-sm);
  border-radius: var(--radius-md);
}

.nav-collapsible .dropdown-link {
  padding: var(--spacing-sm) var(--spacing-md);
}

/* Overlay for mobile */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 998;
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Search overlay */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 600px;
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xl);
}

.search-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.search-close {
  background: none;
  border: none;
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.search-close:hover {
  color: var(--color-text);
}

.search-input-wrapper {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

#search-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg) var(--spacing-md) var(--spacing-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  background-color: var(--color-surface);
  color: var(--color-text);
  transition: var(--transition);
}

#search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
}

/* Main content */
.site-main {
  min-height: calc(100vh - var(--header-height));
  padding: var(--spacing-xl) 0;
}

.content-wrapper {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.main-content.full-width {
  grid-column: 1 / -1;
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-md));
  width: 320px;
  min-width: 260px;
  max-width: 340px;
  max-height: calc(100vh - var(--header-height) - var(--spacing-md));
  overflow-y: auto;
  background: none;
  border: none;
  padding: 0;
}

.sidebar-content {
  background: none;
  border-radius: 0;
  border: none;
  box-shadow: none;
  padding: 0 0 0 0;
}

.sidebar-content ul,
.sidebar-content ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-content > ul > li {
  margin-bottom: 8px;
}

.sidebar-content a {
  display: block;
  padding: 8px 16px 8px 20px;
  color: var(--color-text);
  font-size: 16px;
  font-weight: 500;
  border-radius: 0;
  border-left: 3px solid transparent;
  background: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.sidebar-content a:hover {
  color: var(--color-primary);
  background: var(--color-surface);
  border-left: 3px solid var(--color-primary);
}

.sidebar-content .active > a,
.sidebar-content a.active {
  color: var(--color-primary);
  font-weight: 600;
  background: var(--color-surface);
  border-left: 3px solid var(--color-primary);
}

/* List con (submenu) */
.sidebar-content ul ul {
  margin-left: 0;
  padding-left: 18px;
  border-left: 2px solid var(--color-border);
}

.sidebar-content ul ul li {
  margin-bottom: 4px;
}

.sidebar-content ul ul a {
  font-size: 15px;
  font-weight: 400;
  padding: 6px 12px 6px 18px;
  border-left: 2px solid transparent;
}

.sidebar-content ul ul a.active {
  border-left: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-weight: 500;
}

/* Scrollbar đẹp */
.sidebar {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) var(--color-surface);
}
.sidebar::-webkit-scrollbar {
  width: 7px;
  background: var(--color-surface);
}
.sidebar::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

/* Breadcrumbs */
.breadcrumbs {
  margin-bottom: var(--spacing-lg);
}

.breadcrumbs ol {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.breadcrumbs li:not(:last-child)::after {
  content: '/';
  margin-left: var(--spacing-sm);
  color: var(--color-text-muted);
}

.breadcrumbs a {
  color: var(--color-text-muted);
}

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

/* Content */
.content {
  background-color: var(--color-background);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  border: 1px solid var(--color-border);
}

.page-header {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  margin-bottom: var(--spacing-sm);
}

.page-description {
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.page-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Table of contents */
.toc-wrapper {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.toc-header h3 {
  margin: 0;
  font-size: var(--font-size-base);
}

.toc-toggle {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: var(--transition);
}

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

.toc {
  font-size: var(--font-size-sm);
}

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

.toc li {
  margin-bottom: var(--spacing-xs);
}

.toc a {
  display: block;
  padding: var(--spacing-xs) 0;
  color: var(--color-text-muted);
  transition: var(--transition);
}

.toc a:hover,
.toc a.active {
  color: var(--color-primary);
}

/* Code blocks */
pre {
  background-color: var(--color-code-background);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  overflow-x: auto;
  margin: var(--spacing-lg) 0;
  border: 1px solid var(--color-border);
}

code {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  background-color: var(--color-code-background);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  color: var(--color-code);
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* Inline code */
:not(pre) > code {
  color: var(--color-primary);
  background-color: rgba(37, 99, 235, 0.1);
}

/* Page footer */
.page-footer {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.reading-time {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.share-buttons {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.share-buttons span {
  color: var(--color-text-muted);
}

.share-buttons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  color: var(--color-text-muted);
  transition: var(--transition);
}

.share-buttons a:hover {
  background-color: var(--color-primary);
  color: white;
}

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

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.footer-section p {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

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

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

.footer-section a {
  color: var(--color-text-muted);
  transition: var(--transition);
}

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

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: var(--color-background);
  color: var(--color-text-muted);
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.footer-bottom p {
  margin: var(--spacing-xs) 0;
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary);
  color: white;
  padding: 8px 16px;
  text-decoration: none;
  border-radius: var(--radius-sm);
  z-index: 100000;
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}

.skip-link:focus {
  top: 6px;
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Ensure skip link is visible on mobile */
@media (max-width: 768px) {
  .skip-link {
    left: 10px;
    padding: 10px 20px;
    font-size: var(--font-size-base);
  }

  .skip-link:focus {
    top: 10px;
  }
}

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

  .sidebar {
    position: static;
    width: 100%;
    min-width: 0;
    max-width: none;
    max-height: none;
  }
}

@media (max-width: 768px) {
  .header-content {
    height: 60px;
  }


  .mobile-menu-toggle {
    display: none; /* Hide mobile menu toggle since main nav is hidden */
  }

  .nav-toggle {
    display: flex;
  }

  .content {
    padding: var(--spacing-lg);
  }

  .page-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .nav-collapsible {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .search-container {
    width: 95%;
    padding: var(--spacing-lg);
  }

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

/* Print styles */
@media print {
  .site-header,
  .sidebar,
  .search-overlay,
  .back-to-top {
    display: none;
  }

  .content-wrapper {
    grid-template-columns: 1fr;
  }

  .content {
    border: none;
    padding: 0;
  }
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: white;
  padding: var(--spacing-2xl) 0;
  margin-bottom: var(--spacing-2xl);
  border-radius: 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.1;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.hero-text h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  color: white;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-text p {
  font-size: clamp(1.1rem, 2.5vw, 1.25rem);
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.2s ease;
  border: 2px solid transparent;
}

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

.hero-btn-primary:hover {
  background-color: transparent;
  color: white;
  border-color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.hero-btn-secondary {
  background-color: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}

.hero-btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: white;
  transform: translateY(-2px);
}

/* Hero Section Code Preview Contrast Fix */
.hero-code {
  background-color: #23272f;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.code-header {
  background-color: var(--color-surface);
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.code-dots {
  display: flex;
  gap: 6px;
}

.code-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.code-dot.red { background-color: #ff5f56; }
.code-dot.yellow { background-color: #ffbd2e; }
.code-dot.green { background-color: #27ca3f; }

.code-filename {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-left: var(--spacing-md);
}

.code-content {
  padding: var(--spacing-lg);
  background-color: #23272f;
}

.code-content pre {
  margin: 0;
  background: none;
  border: none;
  padding: 0;
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--color-text);
}

.code-content code {
  background: none;
  padding: 0;
  color: var(--color-text);
  font-family: var(--font-family-mono);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    text-align: center;
    padding: 0 var(--spacing-sm);
  }

  .hero-text p {
    max-width: none;
  }

  .hero-buttons {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: var(--spacing-xl) 0;
  }

  .hero-content {
    padding: 0 var(--spacing-sm);
    margin: 0 var(--spacing-sm);
  }

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

  .hero-btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .hero-code {
    margin: 0;
    width: 100%;
    max-width: 100%;
  }

  .content-wrapper {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-sm);
  }

  .content {
    padding: var(--spacing-lg);
    margin: 0;
    width: 100%;
    max-width: 100%;
  }

  .sidebar {
    width: 100%;
    min-width: 0;
    max-width: none;
    max-height: none;
    position: static;
  }

  .nav-collapsible {
    width: 100%;
    max-width: 100vw;
  }
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 2rem;
  }

  .hero-text p {
    font-size: 1rem;
  }

  .code-content {
    padding: var(--spacing-md);
  }

  .code-content pre {
    font-size: 12px;
    word-wrap: break-word;
    overflow-x: auto;
  }

  .hero-content {
    padding: 0 var(--spacing-xs);
    margin: 0 var(--spacing-xs);
  }

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

  .container {
    padding: 0 var(--spacing-xs);
  }
}

/* Ensure no overflow for all elements */
.site-header,
.site-main,
.site-footer,
.content-wrapper,
.main-content,
.content,
.sidebar,
.sidebar-content,
.nav-collapsible,
.nav-collapsible-content,
.hero,
.hero-content,
.hero-code,
.code-content,
pre,
code {
  max-width: 100%;
  box-sizing: border-box;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* Prevent horizontal scroll */
.site-header .container,
.site-main .container,
.site-footer .container {
  overflow-x: hidden;
}

/* Ensure text doesn't overflow */
h1, h2, h3, h4, h5, h6,
p, span, a, li, td, th {
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* Code blocks responsive */
pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-x: auto;
  max-width: 100%;
}

code {
  white-space: pre-wrap;
  word-wrap: break-word;
  max-width: 100%;
}

/* Đảm bảo code preview nền tối, chữ sáng */
.hero-code,
.code-preview,
.code-content {
  background-color: #23272f !important;
}
.hero-code pre,
.code-preview pre,
.code-content pre,
.hero-code code,
.code-preview code,
.code-content code {
  color: #f1f5f9 !important;
  background: none !important;
  font-family: var(--font-family-mono);
}