/* ============================================
   Smilodon Documentation Site Styles
   ============================================ */

/* ===== CSS Variables ===== */
:root {
  /* Colors - Light Mode */
  --color-primary: #0f3460;
  --color-primary-light: #16537e;
  --color-primary-dark: #0a2342;
  --color-accent: #e94560;
  --color-accent-light: #ff6b85;
  --color-accent-dark: #c9305a;
  
  --color-bg: #ffffff;
  --color-bg-secondary: #f8f9fa;
  --color-bg-tertiary: #f1f3f5;
  --color-bg-hover: #f3f4f6;
  --color-surface: #ffffff;
  --color-surface-elevated: #fafbfc;
  
  --color-text: #1f2937;
  --color-text-secondary: #6b7280;
  --color-text-muted: #9ca3af;
  
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  --color-border-dark: #d1d5db;
  
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Monaco', '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;
  
  --line-height-tight: 1.25;
  --line-height-base: 1.5;
  --line-height-relaxed: 1.75;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 400ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Layout */
  --header-height: 64px;
  --sidebar-width: 280px;
  --panel-width: 360px;
  
  /* Z-index */
  --z-base: 1;
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-overlay: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --color-primary: #60a5fa;
  --color-primary-light: #93c5fd;
  --color-primary-dark: #3b82f6;
  --color-accent: #f472b6;
  --color-accent-light: #f9a8d4;
  --color-accent-dark: #ec4899;
  
  --color-bg: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-tertiary: #2d3748;
  --color-bg-hover: #334155;
  --color-surface: #1e293b;
  --color-surface-elevated: #334155;
  
  --color-text: #f8fafc;
  --color-text-secondary: #e2e8f0;
  --color-text-muted: #cbd5e1;
  
  --color-border: #475569;
  --color-border-light: #334155;
  --color-border-dark: #64748b;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

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

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

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
}

[data-direction="rtl"] {
  direction: rtl;
}

[data-direction="rtl"] body {
  direction: rtl;
}

[data-direction="rtl"] .main-container {
  direction: rtl;
}

[data-direction="rtl"] .sidebar {
  left: auto;
  right: 0;
  border-left: 1px solid var(--color-border);
  border-right: none;
}

[data-direction="rtl"] .main-content {
  margin-right: var(--sidebar-width);
  margin-left: 0;
}

[data-direction="rtl"] .doc-content {
  text-align: right;
}

[data-direction="rtl"] .doc-content ul,
[data-direction="rtl"] .doc-content ol {
  padding-right: var(--spacing-xl);
  padding-left: 0;
}

[data-direction="ltr"] .doc-content {
  text-align: left;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

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

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

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

code {
  font-family: var(--font-family-mono);
  font-size: 0.9em;
  background-color: var(--color-bg-tertiary);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  direction: ltr;
}

pre {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  background-color: var(--color-bg-tertiary);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin-bottom: var(--spacing-md);
  direction: ltr;
  text-align: left;
}

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

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  z-index: var(--z-fixed);
  transition: all var(--transition-base);
}

.header-content {
  height: 100%;
  max-width: 100%;
  padding: 0 var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.logo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-bounce);
}

.logo:hover {
  transform: scale(1.05) rotate(2deg);
}

.logo-text h1 {
  font-size: var(--font-size-2xl);
  margin: 0;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.theme-language-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Language Selector */
.language-selector {
  position: relative;
}

.language-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.flag-icon {
  width: 20px;
  height: 15px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

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

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

.language-dropdown {
  position: absolute;
  top: calc(100% + var(--spacing-sm));
  right: 0;
  min-width: 200px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
  pointer-events: none;
}

.language-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.language-dropdown button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: none;
  border: none;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.language-dropdown button:last-child {
  border-bottom: none;
}

.language-dropdown button:hover {
  background-color: var(--color-bg-secondary);
}

.language-dropdown button img {
  width: 24px;
  height: 18px;
  border-radius: var(--radius-sm);
}

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

.theme-toggle:hover {
  background-color: var(--color-bg-tertiary);
  transform: scale(1.05);
}

.sun-icon,
.moon-icon {
  position: absolute;
  transition: all var(--transition-base);
}

[data-theme="light"] .sun-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="light"] .moon-icon {
  opacity: 0;
  transform: rotate(180deg) scale(0);
}

[data-theme="dark"] .sun-icon {
  opacity: 0;
  transform: rotate(-180deg) scale(0);
}

[data-theme="dark"] .moon-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* Direction Toggle */
.direction-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.direction-toggle:hover {
  background-color: var(--color-bg-tertiary);
  transform: translateX(2px);
}

[data-direction="rtl"] .direction-toggle svg {
  transform: scaleX(-1);
}

/* GitHub Link */
.github-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.github-link:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: rotate(15deg) scale(1.1);
}

/* ===== Main Container ===== */
.main-container {
  display: flex;
  min-height: calc(100vh - var(--header-height));
}

/* ===== Sidebar ===== */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  transition: all var(--transition-base);
}

.sidebar-nav {
  padding: var(--spacing-xl) var(--spacing-lg);
}

.nav-section {
  margin-bottom: var(--spacing-xl);
}

.nav-section-title {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  padding: 0 var(--spacing-sm);
}

.nav-items {
  list-style: none;
}

.nav-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 3px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  transform: translateX(-100%);
  transition: transform var(--transition-base);
}

.nav-link:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
  padding-left: calc(var(--spacing-md) + 6px);
}

.nav-link:hover::before {
  transform: translateX(0);
}

.nav-link.active {
  background-color: var(--color-primary);
  color: white;
  font-weight: 500;
  padding-left: calc(var(--spacing-md) + 6px);
}

.nav-link.active::before {
  transform: translateX(0);
  background: white;
  width: 2px;
}

/* ===== Content Area ===== */
.content {
  flex: 1;
  padding: var(--spacing-2xl);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

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

.page.active {
  display: block;
}

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

/* ===== Hero Section ===== */
.hero-section {
  text-align: center;
  padding: var(--spacing-3xl) 0;
  margin-bottom: var(--spacing-2xl);
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: slideUp 0.6s ease-out;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  animation: slideUp 0.6s ease-out 0.1s both;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.framework-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.framework-card {
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.framework-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  opacity: 0.1;
  transition: height var(--transition-base);
}

.framework-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.framework-card:hover::before {
  height: 100%;
}

.framework-card.active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, rgba(15, 52, 96, 0.05), rgba(233, 69, 96, 0.05));
}

.framework-icon {
  margin-bottom: var(--spacing-md);
  transition: transform var(--transition-bounce);
}

.framework-card:hover .framework-icon {
  transform: scale(1.1) rotate(5deg);
}

.framework-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.framework-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* ===== CSS Framework Support Section ===== */
.css-frameworks-section {
  margin-bottom: var(--spacing-3xl);
}

.section-heading {
  max-width: 860px;
  margin: 0 auto var(--spacing-2xl);
  text-align: center;
}

.section-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin: 0 auto;
}

.css-framework-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
}

.css-framework-card {
  position: relative;
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  border: 1px solid color-mix(in srgb, var(--color-border) 80%, transparent);
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--color-primary) 14%, transparent), transparent 38%),
    linear-gradient(180deg, color-mix(in srgb, var(--color-surface) 92%, white) 0%, var(--color-surface) 100%);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.css-framework-card::before {
  content: '';
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, currentColor, transparent);
  opacity: 0.45;
}

.css-framework-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: color-mix(in srgb, currentColor 28%, var(--color-border));
}

.css-framework-card__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.css-framework-icon {
  width: 72px;
  height: 72px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 22px;
  background: color-mix(in srgb, currentColor 12%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, currentColor 18%, transparent);
}

.css-framework-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: color-mix(in srgb, currentColor 14%, transparent);
  color: currentColor;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
}

.css-framework-card h3 {
  margin: 0;
  font-size: var(--font-size-xl);
}

.css-framework-card p {
  margin: 0 0 var(--spacing-lg);
  color: var(--color-text-secondary);
}

.css-framework-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.css-framework-tags span {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.css-framework-card--tailwind {
  color: #06b6d4;
}

.css-framework-card--bootstrap {
  color: #7c3aed;
}

.css-framework-card--mui {
  color: #0284c7;
}

.css-framework-card--css {
  color: #2563eb;
}

[data-theme="dark"] .css-framework-card {
  background:
    radial-gradient(circle at top right, color-mix(in srgb, currentColor 20%, transparent), transparent 40%),
    linear-gradient(180deg, color-mix(in srgb, var(--color-surface) 86%, black) 0%, var(--color-surface) 100%);
  border-color: color-mix(in srgb, var(--color-border) 78%, transparent);
}

[data-theme="dark"] .css-framework-tags span {
  background: color-mix(in srgb, var(--color-bg-secondary) 88%, black);
  border-color: color-mix(in srgb, var(--color-border) 76%, transparent);
}

/* ===== Playground Section ===== */
.playground-section {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

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

.customize-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.customize-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.customize-btn:active {
  transform: translateY(0);
}

/* Playground Controls */
.playground-controls {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-2xl);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.control-group label {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.control-btn {
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.control-btn:hover {
  background-color: var(--color-bg-secondary);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.control-btn.active {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  font-weight: 600;
  box-shadow: 0 2px 4px rgba(15, 52, 96, 0.15);
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
  border-radius: var(--radius-md);
  transition: background-color 0.15s ease;
}

.checkbox-label:hover {
  background-color: var(--color-bg-secondary);
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--color-primary);
  border-radius: 3px;
}

.checkbox-label.is-disabled {
  opacity: 0.6;
}

.checkbox-label.is-disabled input {
  cursor: not-allowed;
}

/* Playground Demo */
.playground-demo {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
}

.demo-container {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding: var(--spacing-3xl);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  min-height: 200px;
}

.demo-loading-state {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  width: 100%;
  max-width: 720px;
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
}

.demo-loading-state p {
  margin: var(--spacing-xs) 0 0;
  color: var(--color-text-secondary);
}

.demo-loading-spinner {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  animation: playground-spin 0.8s linear infinite;
  flex: 0 0 auto;
}

.demo-status-note,
.demo-runtime-note {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  background: rgba(59, 130, 246, 0.08);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.demo-runtime-note {
  margin-bottom: var(--spacing-md);
}

@keyframes playground-spin {
  to {
    transform: rotate(360deg);
  }
}

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

.info-card {
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.info-card h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.info-card pre {
  margin: 0;
  max-height: 200px;
  overflow-y: auto;
}

.metrics {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.metric {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.metric:last-child {
  border-bottom: none;
}

.metric-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.metric-value {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
}

/* ===== Customization Panel ===== */
.customization-panel {
  position: relative;
  top: auto;
  right: auto;
  width: 100%;
  max-height: 0;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transform: none;
  transition: max-height var(--transition-base), opacity var(--transition-base), margin-bottom var(--transition-base);
  z-index: auto;
  overflow: hidden;
  opacity: 0;
  margin-bottom: 0;
}

.customization-panel.active {
  max-height: 2200px;
  opacity: 1;
  margin-bottom: var(--spacing-lg);
}

[data-direction="rtl"] .customization-panel {
  right: auto;
  left: auto;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

[data-direction="rtl"] .customization-panel.active {
  transform: none;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  position: static;
  background-color: var(--color-surface);
  z-index: auto;
}

.panel-header h2 {
  font-size: var(--font-size-xl);
  margin: 0;
}

.close-btn,
.close-panel {
  width: 32px;
  height: 32px;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.close-btn:hover,
.close-panel:hover {
  background-color: var(--color-error);
  border-color: var(--color-error);
  color: white;
  transform: rotate(90deg);
}

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

.customization-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: var(--spacing-lg);
}

.customization-controls,
.customization-output {
  min-width: 0;
}

.style-controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
}

.customization-note {
  padding: var(--spacing-md) var(--spacing-lg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-primary) 6%, var(--color-bg));
  color: var(--color-text-secondary);
}

.customization-note strong {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.customization-note span {
  display: block;
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.style-control {
  margin-bottom: 0;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
}

.style-control--wide {
  grid-column: 1 / -1;
}

.customization-output-card {
  height: 100%;
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
}

.customization-output-card h3 {
  margin: 0 0 var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.customization-output-card p {
  margin: 0 0 var(--spacing-lg);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.theme-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.theme-preview-card {
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
}

.theme-preview-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.playground-demo.with-customization-panel {
  grid-template-columns: 1fr;
  grid-template-areas:
    "demo"
    "panel"
    "info";
  gap: var(--spacing-lg);
}

.playground-demo.with-customization-panel .customization-panel {
  grid-area: panel;
  position: relative;
  top: auto;
  width: 100%;
  max-width: none;
}

.playground-demo.with-customization-panel .customization-panel.active {
  margin-bottom: 0;
}

.playground-demo.with-customization-panel .demo-container {
  grid-area: demo;
}

.playground-demo.with-customization-panel .demo-info {
  grid-area: info;
  color: var(--color-text);
}

.theme-preview-swatch {
  height: 56px;
  border-radius: var(--radius-md);
  padding: var(--spacing-2xl);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.custom-output-pre {
  margin: 0;
  max-height: 420px;
  overflow: auto;
}

/* Overlay */
.overlay {
  display: none;
}

.overlay.active {
  display: none;
}

/* Panel Controls */
.style-control label {
  display: block;
  margin-bottom: var(--spacing-sm);
}

.style-control label span {
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.style-control label small {
  display: block;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.style-control input[type="color"],
.style-control input[type="number"],
.style-control input[type="range"] {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: var(--font-size-base);
  transition: all var(--transition-normal);
}

.style-control input[type="color"] {
  height: 48px;
  cursor: pointer;
}

.style-control input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 4px;
}

.style-control input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: var(--radius-sm);
}

.style-control input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.panel-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.panel-actions button {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
  background-color: var(--color-border);
}

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

.config-item {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm);
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
}

.config-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
}

.config-value {
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

.demo-select-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  width: 100%;
  max-width: none;
}

.demo-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  font-size: var(--font-size-base);
}

.demo-select {
  /* Remove unnecessary wrapper styling - Smilodon handles its own styling */
  display: block;
  width: 100%;
}

/* Smilodon component styling */
enhanced-select {
  --select-bg: var(--color-bg);
  --select-border: var(--color-border);
  --select-text: var(--color-text);
  --select-focus: var(--color-primary);
  --select-hover: var(--color-primary-light);
  --select-dropdown-bg: var(--color-surface);
  --select-dropdown-border: var(--color-border);
  --select-option-bg: var(--color-bg);
  --select-option-color: var(--color-text);
  --select-option-hover-bg: var(--color-bg-hover);
  --select-option-hover-color: var(--color-text);
  --select-option-selected-bg: var(--color-primary);
  --select-option-selected-color: #ffffff;
  --select-option-active-bg: var(--color-bg-secondary);
  --select-option-active-color: var(--color-text);
  --select-input-bg: var(--color-bg);
  --select-input-color: var(--color-text);
  --select-input-placeholder-color: var(--color-text-muted);
  display: block;
  width: 100%;
  font-family: inherit;
}

.demo-search {
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: var(--font-size-base);
  font-family: inherit;
}

.demo-search:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

@media (max-width: 1100px) {
  .playground-demo.with-customization-panel {
    grid-template-columns: 1fr;
    grid-template-areas:
      "demo"
      "panel"
      "info";
  }

  .playground-demo.with-customization-panel .customization-panel {
    position: relative;
    top: auto;
  }

  .customization-layout {
    grid-template-columns: 1fr;
  }

  .css-framework-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .css-framework-grid {
    grid-template-columns: 1fr;
  }

  .css-framework-card__header {
    align-items: flex-start;
  }
}

/* ===== Documentation Content Styling ===== */
.content-page {
  display: none;
  padding: var(--spacing-2xl);
  max-width: 900px;
  margin: 0 auto;
}

.content-page.active {
  display: block !important;
}

.doc-content {
  line-height: 1.7;
  color: var(--color-text);
}

.doc-content h1 {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xl);
  color: var(--color-text);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--spacing-lg);
}

.doc-content h2 {
  font-size: 1.875rem;
  font-weight: var(--font-weight-semibold);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
}

.doc-content h3 {
  font-size: 1.5rem;
  font-weight: var(--font-weight-semibold);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.doc-content p {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-secondary);
}

[data-theme="dark"] .doc-content p {
  color: var(--color-text-secondary);
}

.doc-content .lead {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-2xl);
}

.doc-content ul,
.doc-content ol {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

.doc-content li {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

[data-theme="dark"] .doc-content li {
  color: var(--color-text-secondary);
}

/* Explicit dark mode heading colors */
[data-theme="dark"] .doc-content h1,
[data-theme="dark"] .doc-content h2,
[data-theme="dark"] .doc-content h4,
[data-theme="dark"] .doc-content h5,
[data-theme="dark"] .doc-content h6,
[data-theme="dark"] .doc-content h3 {
  color: #f8fafc !important;
}

/* Dark mode text elements */
[data-theme="dark"] .section-title {
  color: #f8fafc !important;
}

[data-theme="dark"] .control-group label {
  color: #f8fafc !important;
}

[data-theme="dark"] .checkbox-label {
  color: #e2e8f0 !important;
}

[data-theme="dark"] .doc-table th,
[data-theme="dark"] .doc-table td {
  color: #e2e8f0 !important;
}

[data-theme="dark"] .control-btn {
  color: #e2e8f0 !important;
}

[data-theme="dark"] .control-btn:hover {
  color: #f8fafc !important;
}

[data-theme="dark"] .feature-card h3 {
  color: #f8fafc !important;
}

[data-theme="dark"] .feature-card p {
  color: #cbd5e1 !important;
}

/* Dark mode sidebar navigation */
[data-theme="dark"] .nav-section-title {
  color: #94a3b8 !important;
}

[data-theme="dark"] .nav-link {
  color: #cbd5e1 !important;
}

[data-theme="dark"] .nav-link:hover {
  background-color: #1e293b;
  color: #f8fafc !important;
}

[data-theme="dark"] .nav-link.active {
  background-color: #3b82f6;
  color: #ffffff !important;
}

/* Dark mode header controls */
[data-theme="dark"] .language-btn {
  background-color: #1e293b;
  border-color: #475569;
  color: #f8fafc !important;
}

[data-theme="dark"] .language-btn:hover {
  background-color: #334155;
  border-color: #64748b;
}

[data-theme="dark"] .language-dropdown {
  background-color: #1e293b;
  border-color: #475569;
}

[data-theme="dark"] .language-dropdown button {
  color: #f8fafc !important;
  border-bottom-color: #334155;
}

[data-theme="dark"] .language-dropdown button:hover {
  background-color: #334155;
}

[data-theme="dark"] .theme-toggle {
  background-color: #1e293b;
  border-color: #475569;
  color: #f8fafc !important;
}

[data-theme="dark"] .theme-toggle:hover {
  background-color: #334155;
}

[data-theme="dark"] .direction-toggle {
  background-color: #1e293b;
  border-color: #475569;
  color: #f8fafc !important;
}

[data-theme="dark"] .direction-toggle:hover {
  background-color: #334155;
}

[data-theme="dark"] .github-link {
  background-color: #1e293b;
  border-color: #475569;
  color: #f8fafc !important;
}

[data-theme="dark"] .github-link:hover {
  background-color: #3b82f6;
  border-color: #3b82f6;
}

/* Dark mode framework cards */
[data-theme="dark"] .framework-card h3 {
  color: #f8fafc !important;
}

[data-theme="dark"] .framework-card p {
  color: #cbd5e1 !important;
}

/* Dark mode for Smilodon select component */
[data-theme="dark"] enhanced-select {
  --select-bg: #1e293b;
  --select-border: #475569;
  --select-text: #f8fafc;
  --select-focus: #60a5fa;
  --select-hover: #93c5fd;
  --select-dropdown-bg: #1e293b;
  --select-dropdown-border: #475569;
  --select-option-bg: #1e293b;
  --select-option-color: #e2e8f0;
  --select-option-hover-bg: #334155;
  --select-option-hover-color: #f8fafc;
  --select-option-selected-bg: #3b82f6;
  --select-option-selected-color: #ffffff;
  --select-option-active-bg: #2d3748;
  --select-option-active-color: #f8fafc;
  --select-input-bg: #1e293b;
  --select-input-color: #f8fafc;
  --select-input-placeholder-color: #94a3b8;
}

[data-theme="dark"] .demo-label {
  color: #f8fafc !important;
}

/* Dark mode playground controls */
[data-theme="dark"] .playground-controls {
  background-color: #1e293b;
  border-color: #475569;
}

[data-theme="dark"] .control-btn {
  background-color: #1e293b;
  border-color: #475569;
  color: #e2e8f0;
}

[data-theme="dark"] .control-btn:hover {
  background-color: #334155;
  border-color: #60a5fa;
}

[data-theme="dark"] .control-btn.active {
  background-color: #3b82f6;
  border-color: #3b82f6;
  color: #ffffff;
}

[data-theme="dark"] .checkbox-label:hover {
  background-color: #334155;
}

[data-theme="dark"] .demo-container {
  background-color: #1e293b;
  border-color: #475569;
}

/* Inline code - overridden by syntax highlighting styles below */
.doc-content code {
  background-color: var(--color-bg-secondary);
  color: var(--color-primary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: var(--font-family-mono);
  font-size: 0.9em;
}

.doc-content pre {
  position: relative;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  overflow-x: auto;
}

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

/* ===== Syntax Highlighting Theme ===== */
/* Light Mode Syntax Colors */
:root {
  --code-bg: #f8f9fa;
  --code-text: #24292e;
  --code-comment: #6a737d;
  --code-keyword: #d73a49;
  --code-string: #22863a;
  --code-function: #6f42c1;
  --code-number: #005cc5;
  --code-operator: #d73a49;
  --code-punctuation: #24292e;
  --code-property: #e36209;
  --code-class: #6f42c1;
  --code-tag: #22863a;
  --code-attr: #6f42c1;
  --code-variable: #e36209;
}

/* Dark Mode Syntax Colors */
[data-theme="dark"] {
  --code-bg: #1e293b;
  --code-text: #e2e8f0;
  --code-comment: #94a3b8;
  --code-keyword: #f472b6;
  --code-string: #86efac;
  --code-function: #a78bfa;
  --code-number: #60a5fa;
  --code-operator: #f472b6;
  --code-punctuation: #cbd5e1;
  --code-property: #fbbf24;
  --code-class: #a78bfa;
  --code-tag: #86efac;
  --code-attr: #fbbf24;
  --code-variable: #fbbf24;
}

.doc-content pre[class*="language-"] {
  background-color: var(--code-bg);
  color: var(--code-text);
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.doc-content code[class*="language-"] {
  color: var(--code-text);
  font-family: var(--font-family-mono);
}

/* Prism Token Styling */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: var(--code-comment);
  font-style: italic;
}

.token.keyword,
.token.control,
.token.directive,
.token.unit {
  color: var(--code-keyword);
  font-weight: var(--font-weight-semibold);
}

.token.string,
.token.attr-value {
  color: var(--code-string);
}

.token.function,
.token.function-variable {
  color: var(--code-function);
}

.token.number,
.token.boolean,
.token.constant {
  color: var(--code-number);
}

.token.operator,
.token.entity,
.token.url {
  color: var(--code-operator);
}

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

.token.property,
.token.variable {
  color: var(--code-variable);
}

.token.class-name,
.token.type-class {
  color: var(--code-class);
}

.token.tag {
  color: var(--code-tag);
}

.token.attr-name {
  color: var(--code-attr);
}

.token.selector,
.token.important,
.token.atrule {
  color: var(--code-keyword);
  font-weight: var(--font-weight-semibold);
}

.token.regex,
.token.statement {
  color: var(--code-string);
}

.token.placeholder,
.token.variable {
  color: var(--code-variable);
}

/* Inline code styling */
.doc-content code:not([class*="language-"]) {
  background-color: var(--code-bg);
  color: var(--code-keyword);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: var(--font-family-mono);
  font-size: 0.9em;
  border: 1px solid var(--color-border-light);
}

/* Line highlighting */
.line-highlight {
  background: rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--color-primary);
}

/* Copy Button for Code Blocks */
.code-block-wrapper {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.copy-code-btn {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  font-family: var(--font-family-base);
  cursor: pointer;
  opacity: 0;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  z-index: 10;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.code-block-wrapper:hover .copy-code-btn {
  opacity: 1;
}

.copy-code-btn:focus-visible {
  opacity: 1;
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.copy-code-btn:hover {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.copy-code-btn:active {
  transform: scale(0.95);
}

.copy-code-btn.copied {
  background-color: var(--color-success);
  color: white;
  border-color: var(--color-success);
  opacity: 1;
}

.copy-code-btn svg {
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.copy-code-btn span {
  display: none;
}

.code-block-wrapper > pre,
.code-block-wrapper > pre[class*="language-"] {
  margin-bottom: 0;
  padding-right: calc(var(--spacing-lg) + 2.75rem);
  position: relative;
}

.doc-section {
  margin-bottom: var(--spacing-2xl);
}

.doc-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-xl);
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.doc-table thead {
  background-color: var(--color-bg-secondary);
}

.doc-table th {
  text-align: left;
  padding: var(--spacing-md) var(--spacing-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  border-bottom: 2px solid var(--color-border);
}

.doc-table td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.doc-table tbody tr:last-child td {
  border-bottom: none;
}

.doc-table tbody tr:hover {
  background-color: var(--color-bg-hover);
}

.doc-hero {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-2xl) 0;
}

.doc-hero h1 {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  border: none;
  padding: 0;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.feature-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.feature-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.doc-note {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at top right, rgba(233, 69, 96, 0.12), transparent 34%),
    linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, rgba(14, 165, 233, 0.08) 46%, rgba(255, 255, 255, 0.96) 100%);
  border: 1px solid rgba(59, 130, 246, 0.18);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-xl);
  box-shadow: 0 14px 30px -20px rgba(15, 52, 96, 0.45);
  padding: calc(var(--spacing-lg) + 2px) var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.doc-note::before {
  content: '✦';
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 1.1rem;
  color: rgba(15, 52, 96, 0.3);
}

.doc-note p {
  margin: 0;
  color: var(--color-text);
  position: relative;
  z-index: 1;
  line-height: 1.7;
}

.doc-note strong {
  color: var(--color-primary-dark);
  font-weight: var(--font-weight-bold);
}

.doc-note a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
}

[data-theme="dark"] .doc-note {
  background:
    radial-gradient(circle at top right, rgba(244, 114, 182, 0.12), transparent 34%),
    linear-gradient(135deg, rgba(96, 165, 250, 0.18) 0%, rgba(30, 41, 59, 0.9) 52%, rgba(15, 23, 42, 0.98) 100%);
  border-color: rgba(147, 197, 253, 0.22);
  box-shadow: 0 18px 34px -24px rgba(2, 6, 23, 0.9);
}

[data-theme="dark"] .doc-note::before {
  color: rgba(191, 219, 254, 0.35);
}

[data-theme="dark"] .doc-note strong {
  color: var(--color-primary-light);
}

.badge-success {
  display: inline-block;
  background-color: #10b981;
  color: white;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.badge-warning {
  display: inline-block;
  background-color: #f59e0b;
  color: white;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.architecture-diagram {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  overflow-x: auto;
  margin-bottom: var(--spacing-lg);
}

.architecture-diagram pre {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font-size: var(--font-size-xs);
  line-height: 1.4;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
  .sidebar {
    width: 240px;
  }
  
  .playground-demo {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    transform: translateX(-100%);
    z-index: var(--z-fixed);
  }
  
  .sidebar.active {
    transform: translateX(0);
  }
  
  .content {
    padding: var(--spacing-lg);
  }
  
  .framework-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
  }
  
  .customization-panel {
    width: 100%;
  }
  
  .content-page {
    padding: var(--spacing-lg);
  }
  
  .doc-content h1 {
    font-size: 2rem;
  }
  
  .doc-hero h1 {
    font-size: 2rem;
  }
  
  .doc-grid {
    grid-template-columns: 1fr;
  }
  
  .doc-table {
    font-size: var(--font-size-sm);
  }
  
  .doc-table th,
  .doc-table td {
    padding: var(--spacing-sm);
  }
}

/* ===== Utility Classes ===== */
.hidden {
  display: none !important;
}

.invisible {
  visibility: hidden !important;
}

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

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

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

/* ===== Scrollbar Styling ===== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background-color: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background-color: var(--color-border-dark);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--color-text-muted);
}