/* === MOBILE-FIRST RESPONSIVE STYLES.CSS === */

/* 🎨 CSS Custom Properties - Enhanced for Mobile */
:root {
  /* Core Colors */
  --primary-color: #3f51b5;
  --primary-color-rgb: 63, 81, 181; /* RGB value of #3f51b5 */
  --primary-light: #7986cb;
  --primary-dark: #303f9f;
  --secondary-color: #4caf50;
  --secondary-light: #81c784;
  --accent-color: #673ab7;
  --accent-light: #9575cd;

  /* Text Colors */
  --text-color: #333;
  --text-color-light: #555;
  --text-color-muted: #777;
  --text-color-inverse: #fff;

  /* Background Colors */
  --bg-color: #f8f9fa;
  --card-bg-color: #ffffff;
  --surface-color: #fafafa;
  --overlay-color: rgba(0, 0, 0, 0.6);

  /* Border & Shadow */
  --border-color: #e0e0e0;
  --border-radius: 8px;
  --border-radius-large: 16px;
  --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.15);

  /* Code Colors */
  --code-bg: #2d2d2d;
  --code-color: #f8f8f2;
  --inline-code-bg: #e9ecef;

  /* Layout Dimensions - Mobile-First */
  --header-height: 56px; /* Mobile standard */
  --sidebar-width: 280px;
  --content-max-width: 1200px;
  --container-padding: 16px;
  --section-spacing: 24px;

  /* Interactive Elements */
  --touch-target-size: 44px; /* iOS/Android recommendation */
  --button-padding: 12px 20px;
  --input-height: 48px;

  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;

  /* Typography Scale - Mobile-Optimized */
  --font-size-xs: 0.75rem; /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem; /* 16px */
  --font-size-lg: 1.125rem; /* 18px */
  --font-size-xl: 1.25rem; /* 20px */
  --font-size-2xl: 1.5rem; /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem; /* 36px */

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
}

/* 🌙 Dark Mode Support */
[data-theme="dark"] {
  --text-color: #e0e0e0;
  --text-color-light: #bdbdbd;
  --text-color-muted: #9e9e9e;
  --bg-color: #121212;
  --card-bg-color: #1e1e1e;
  --surface-color: #2c2c2c;
  --border-color: #333;
  --inline-code-bg: #333;
  --overlay-color: rgba(0, 0, 0, 0.8);
  --primary-color-rgb: 92, 107, 192; /* RGB value of #5c6bc0 */
}

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

html {
  /* Improved scroll behavior for mobile */
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  /* Prevent zoom on input focus (iOS) */
  -webkit-text-size-adjust: 100%;
  /* Better font rendering */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Mobile viewport handling */
  touch-action: manipulation;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol";
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--text-color);
  background-color: var(--bg-color);
  /* Prevent horizontal scroll on mobile */
  overflow-x: hidden;
  /* Improve text rendering */
  text-rendering: optimizeLegibility;
  /* Better touch scrolling (iOS) */
  -webkit-overflow-scrolling: touch;
}

/* 📱 Typography - Mobile-First Responsive */
h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: var(--line-height-tight);
  margin-bottom: 1rem;
  color: var(--primary-color);
  font-weight: 600;
  /* Prevent text overflow on mobile */
  word-wrap: break-word;
  hyphens: auto;
  -webkit-hyphens: auto;
}

/* Mobile-First Typography Scale */
h1 {
  font-size: var(--font-size-2xl);
  margin-bottom: 1.5rem;
  margin-top: 0;
}

h2 {
  font-size: var(--font-size-xl);
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
  margin-top: 2rem;
}

h3 {
  font-size: var(--font-size-lg);
  margin-top: 1.5rem;
  color: var(--accent-color);
}

h4 {
  font-size: var(--font-size-base);
  color: var(--text-color-light);
  font-weight: 500;
  margin-top: 1rem;
}

p {
  margin-bottom: 1rem;
  /* Optimal reading line length on mobile */
  max-width: 65ch;
}

/* 🔗 Links - Touch-Friendly */
a {
  color: var(--secondary-color);
  font-weight: 500;
  text-decoration: none;
  /* Larger touch target on mobile */
  padding: 2px 4px;
  margin: -2px -4px;
  border-radius: 4px;
  transition: all var(--transition-fast);
  /* Better tap highlight */
  -webkit-tap-highlight-color: rgba(76, 175, 80, 0.2);
  -webkit-tap-highlight-color: rgba(76, 175, 80, 0.2);
}

a:hover,
a:focus {
  text-decoration: underline;
  background-color: rgba(76, 175, 80, 0.1);
  outline: none;
}

/* 📝 Lists - Mobile-Optimized */
ul,
ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.5rem;
  /* Better line breaks on mobile */
  word-wrap: break-word;
}

/* 💻 Code Styles - Mobile-Responsive */
code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo,
    "Cascadia Code", monospace;
  background-color: var(--inline-code-bg);
  padding: 0.2em 0.4em;
  font-size: 0.875em;
  border-radius: 4px;
  /* Prevent code overflow on mobile */
  word-break: break-all;
  -webkit-font-smoothing: antialiased;
}

pre {
  position: relative;
  background-color: var(--code-bg);
  color: var(--code-color);
  padding: 1rem;
  border-radius: var(--border-radius);
  overflow-x: auto;
  margin: 1rem 0;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  /* Better scrolling on mobile */
  -webkit-overflow-scrolling: touch;
  /* Scrollbar styling */
  scrollbar-width: thin;
  scrollbar-color: #666 var(--code-bg);
}

pre::-webkit-scrollbar {
  height: 8px;
}

pre::-webkit-scrollbar-track {
  background: var(--code-bg);
}

pre::-webkit-scrollbar-thumb {
  background: #666;
  border-radius: 4px;
}

pre code {
  padding: 0;
  background: none;
  font-size: 100%;
  word-break: normal;
}

/* 📊 Tables - Mobile-Responsive */
.table-container {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1.5rem 0;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
}

table {
  width: 100%;
  min-width: 600px; /* Minimum width for proper display */
  border-collapse: collapse;
  background: var(--card-bg-color);
}

th,
td {
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  text-align: left;
  vertical-align: top;
  /* Prevent text overflow */
  word-wrap: break-word;
  max-width: 200px;
}

th {
  background-color: var(--surface-color);
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 10;
}

tr:nth-of-type(even) {
  background-color: rgba(0, 0, 0, 0.02);
}

/* 💡 Note/Alert Styles */
.note {
  padding: 1rem;
  margin: 1.5rem 0;
  border-left: 4px solid var(--primary-color);
  background-color: rgba(63, 81, 181, 0.05);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  /* Better readability on mobile */
  word-wrap: break-word;
}

.info-note {
  padding: 1rem;
  margin: 1.5rem 0;
  border-left: 4px solid rgb(242, 100, 2);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  /* Better readability on mobile */
  word-wrap: break-word;
}

/* 🎯 Layout System - Mobile-First Grid */
.page-wrapper {
  display: flex;
  min-height: 100vh;
  position: relative;
}

/* 📱 Mobile Sidebar */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  background: var(--card-bg-color);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 1rem 0;
  transition: transform var(--transition-normal);
  z-index: 100;
  /* Mobile: Hidden by default */
  transform: translateX(-100%);
}

.main-content {
  flex-grow: 1;
  /* Mobile: Full width */
  margin-left: 0;
  padding: var(--container-padding);
  max-width: 100%;
  width: 100%;
}

/* 🎨 Enhanced Header - Mobile-First */
.enhanced-header {
  position: fixed;
  top: 0;
  z-index: 50;
  background: var(--card-bg-color);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem var(--container-padding); /* Increased vertical padding */
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height); /* Changed to min-height for flexibility */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  width: 100%;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  align-self: center;
  height: 100%; /* Changed from fixed height to 100% */
}

.header-logo {
  height: 100%; /* Changed from fixed height to 100% */
  width: 100%; /* Added width 100% */
  max-width: 200px; /* Maintain max-width constraint */
  object-fit: contain;
  margin: 0; /* Remove any default margins */
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  justify-content: flex-end;
}

/* 🔍 Mobile Search */
.search-container {
  position: relative;
  flex: 1;
  max-width: 300px;
  margin-left: 0.5rem; /* Add some spacing from the logo */
}

.search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  width: 100%;
  height: var(--input-height);
  padding: 0 2.5rem 0 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--card-bg-color);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  /* Remove iOS styling */
  -webkit-appearance: none;
  appearance: none;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(63, 81, 181, 0.1);
}

.search-icon {
  position: absolute;
  right: 0.75rem;
  width: 20px;
  height: 20px;
  color: var(--text-color-muted);
  pointer-events: none;
}

.clear-search {
  position: absolute;
  right: 2.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-color-muted);
  cursor: pointer;
  display: none;
  width: var(--touch-target-size);
  height: var(--touch-target-size);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.clear-search:hover,
.clear-search:focus {
  background-color: rgba(0, 0, 0, 0.1);
  outline: none;
}

/* 🎨 Theme Toggle - Touch-Friendly */
.theme-toggle {
  width: var(--touch-target-size);
  height: var(--touch-target-size);
  border: none;
  background: transparent;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  color: var(--text-color);
}

.theme-toggle:hover,
.theme-toggle:focus {
  background-color: rgba(0, 0, 0, 0.1);
  outline: none;
}

.theme-icon {
  width: 20px;
  height: 20px;
}

/* 🍔 Mobile Menu Toggle */
.menu-toggle {
  display: block;
  position: fixed;
  top: 0.75rem;
  left: var(--container-padding);
  z-index: 101;
  background: var(--primary-color);
  color: var(--text-color-inverse);
  border: none;
  width: var(--touch-target-size);
  height: var(--touch-target-size);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  transition: all var(--transition-fast);
  /* Smooth hamburger animation */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
}

.menu-toggle::before,
.menu-toggle::after,
.menu-toggle span {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  transition: all var(--transition-fast);
  border-radius: 1px;
}

.menu-toggle:hover,
.menu-toggle:focus {
  background-color: var(--primary-dark);
  outline: none;
  transform: scale(1.05);
}

/* 📱 Sidebar Navigation - Mobile-Optimized */
.sidebar-header {
  padding: 0 1rem 1rem 1rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1rem;
}

.sidebar-banner {
  width: 100%;
  display: block;
  border-radius: var(--border-radius);
  max-width: 200px;
  height: auto;
}

.sidebar-nav {
  list-style: none;
  padding: 0;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  color: var(--text-color-light);
  font-weight: 500;
  border-left: 4px solid transparent;
  transition: all var(--transition-fast);
  font-size: var(--font-size-base);
  min-height: var(--touch-target-size);
  text-decoration: none;
  /* Better touch targets */
  -webkit-tap-highlight-color: transparent;
}

.sidebar-nav a:hover,
.sidebar-nav a:focus {
  color: var(--primary-color);
  background-color: rgba(63, 81, 181, 0.08);
  text-decoration: none;
  outline: none;
}

.sidebar-nav a.active {
  color: var(--primary-color);
  background-color: var(--primary-color);
  background-image: linear-gradient(
    to right,
    rgba(var(--primary-color-rgb), 0.15),
    rgba(var(--primary-color-rgb), 0.05)
  );
  border-left: 4px solid var(--primary-color);
  box-shadow: inset 0 0 8px rgba(var(--primary-color-rgb), 0.1);
  font-weight: 600;
  position: relative;
  overflow: hidden;
}

/* Add subtle shine effect */
.sidebar-nav a.active::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to right,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
  transition: transform 0.6s ease;
  pointer-events: none;
}

.sidebar-nav a.active:hover::before {
  transform: translateX(100%);
}

.sidebar-nav .external-link {
  color: var(--accent-color);
}

.sidebar-nav .external-link svg {
  width: 16px;
  height: 16px;
  margin-left: auto;
  fill: currentColor;
  flex-shrink: 0;
}

/* 🎯 Content Sections - Mobile-First */
section {
  background: var(--card-bg-color);
  padding: 1.5rem;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-light);
  margin-bottom: var(--section-spacing);
  /* Prevent horizontal overflow */
  overflow-x: hidden;
}

/* 📸 Screenshots Grid - Responsive */
.screenshots-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.screenshot-item img {
  width: 100%;
  height: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  cursor: pointer;
}

.screenshot-item p {
  text-align: center;
  margin-top: 0.5rem;
  font-weight: 500;
  color: var(--text-color-light);
  font-size: var(--font-size-sm);
}

/* 🎛️ CI/CD Buttons - Mobile-Responsive */
.ci-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.ci-buttons button {
  padding: var(--button-padding);
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: 500;
  transition: all var(--transition-fast);
  min-height: var(--touch-target-size);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  /* Better touch feedback */
  -webkit-tap-highlight-color: rgba(63, 81, 181, 0.2);
  user-select: none;
}

.ci-buttons button:hover,
.ci-buttons button:focus {
  background-color: rgba(63, 81, 181, 0.08);
  border-color: var(--primary-light);
  outline: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-light);
}

.ci-buttons button.active {
  background-color: var(--primary-color);
  color: var(--text-color-inverse);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-medium);
}

.ci-buttons button:active {
  transform: translateY(0);
}

/* 📄 Code Containers - Mobile-Optimized */
.code-container {
  margin: 1rem 0;
  border-radius: var(--border-radius);
  overflow: hidden;
  background: var(--code-bg);
}

/* 📋 Copy Button - Touch-Friendly */
.copy-button {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  padding: 0.5rem 0.75rem;
  font-size: var(--font-size-xs);
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--text-color-inverse);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  min-height: 32px;
  min-width: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  /* Better mobile interaction */
  -webkit-tap-highlight-color: transparent;
}

pre:hover .copy-button,
pre:focus-within .copy-button {
  opacity: 1;
  visibility: visible;
}

.copy-button:hover,
.copy-button:focus {
  background-color: rgba(255, 255, 255, 0.2);
  outline: none;
  transform: scale(1.05);
}

/* 🎭 Overlay for Mobile Menu */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--overlay-color);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

body.sidebar-open .overlay {
  opacity: 1;
  visibility: visible;
}

body.sidebar-open .sidebar {
  transform: translateX(0);
  box-shadow: var(--shadow-heavy);
}

/* 🎨 Animations & Micro-interactions */
@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

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

@keyframes pulse {
  0% {
    transform: translateY(-50%) scale(1);
    opacity: 0.8;
  }
  50% {
    transform: translateY(-50%) scale(1.2);
    opacity: 1;
  }
  100% {
    transform: translateY(-50%) scale(1);
    opacity: 0.8;
  }
}

@keyframes breathe-pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* Apply animations */
section {
  animation: fadeInUp var(--transition-slow) ease-out;
}

/* 📱 RESPONSIVE BREAKPOINTS */

/* Small phones: 320px - 480px */
@media (min-width: 320px) {
  :root {
    --container-padding: 20px;
  }

  .search-input {
    font-size: 16px; /* Prevent zoom on iOS */
  }
}

/* Large phones: 481px - 768px */
@media (min-width: 481px) {
  :root {
    --font-size-2xl: 1.75rem;
    --font-size-3xl: 2rem;
  }

  .ci-buttons {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .ci-buttons button {
    flex: 1;
    min-width: 120px;
  }

  .screenshots-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

/* Tablets: 769px - 1024px */
@media (min-width: 769px) {
  .header-logo {
    max-width: 200px;
  }
  :root {
    --container-padding: 32px;
    --header-height: 64px;
    --section-spacing: 32px;
  }

  h1 {
    font-size: var(--font-size-3xl);
  }

  h2 {
    font-size: var(--font-size-2xl);
  }

  .main-content {
    padding: var(--container-padding);
  }

  section {
    padding: 2rem;
  }

  .menu-toggle {
    top: 1rem;
  }

  /* Show copy button on tablets */
  .copy-button {
    opacity: 0.7;
    visibility: visible;
  }
}

/* Laptops: 1025px - 1440px */
@media (min-width: 1025px) {
  /* Desktop Layout */
  .sidebar {
    transform: translateX(0);
    position: fixed;
  }

  .main-content {
    margin-left: var(--sidebar-width);
    max-width: calc(100% - var(--sidebar-width));
  }

  .menu-toggle {
    display: none;
  }

  .overlay {
    display: none !important;
  }

  /* Enhanced hover effects for desktop */
  .sidebar-nav a:hover {
    transform: translateX(4px);
  }

  .ci-buttons button:hover {
    transform: translateY(-2px);
  }

  /* Better code block interaction */
  pre:hover .copy-button {
    opacity: 1;
    visibility: visible;
  }
}

/* Large screens: 1441px+ */
@media (min-width: 1441px) {
  :root {
    --container-padding: 48px;
    --section-spacing: 48px;
  }

  .main-content {
    max-width: var(--content-max-width);
    margin-left: calc(var(--sidebar-width) + 2rem);
  }

  section {
    padding: 3rem;
  }

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

  .screenshots-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  }
}

/* 🌐 High DPI / Retina Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* Enhance borders and shadows for retina */
  .sidebar {
    border-right-width: 0.5px;
  }

  .enhanced-header {
    border-bottom-width: 0.5px;
  }

  section {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  }
}

/* 🎯 Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .sidebar {
    transition: none;
  }

  .overlay {
    transition: none;
  }
}

/* 🌈 High Contrast Support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000;
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.4);
  }

  .search-input:focus {
    box-shadow: 0 0 0 3px #000;
  }

  .sidebar-nav a.active {
    border-left-width: 6px;
  }
}

/* Enhanced Active Navigation Styles for Mobile */
@media (max-width: 768px) {
  .sidebar-nav a.active {
    border-left-width: 6px;
    background-image: linear-gradient(
      to right,
      rgba(var(--primary-color-rgb), 0.25),
      rgba(var(--primary-color-rgb), 0.1)
    );
    padding-left: calc(1rem - 6px);
    box-shadow: inset 0 0 12px rgba(var(--primary-color-rgb), 0.15);
  }

  .sidebar-nav a.active::after {
    content: "";
    position: absolute;
    width: 8px;
    height: 8px;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--primary-color);
    animation: pulse 2s infinite;
  }

  .header-logo {
    /* height: 32px; */
    max-width: 150px;
  }

  .menu-toggle {
    top: 1rem;
    left: 0.75rem;
  }

  .search-container {
    margin-left: 2rem; /* Make room for menu toggle */
  }

  .search-input {
    padding-left: 1.5rem;
  }
}

/* 🔍 Focus Visible Support (Modern browsers) */
@supports selector(:focus-visible) {
  a:focus {
    outline: none;
  }

  a:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
  }

  button:focus {
    outline: none;
  }

  button:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
  }
}

/* 📱 Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
  /* Remove hover effects on touch devices */
  .sidebar-nav a:hover {
    transform: none;
  }

  .ci-buttons button:hover {
    transform: none;
  }

  .screenshot-item img:hover {
    transform: none;
  }

  /* Always show copy button on touch devices */
  .copy-button {
    opacity: 0.8;
    visibility: visible;
  }

  /* Larger touch targets */
  .sidebar-nav a {
    min-height: 48px;
  }

  .ci-buttons button {
    min-height: 50px;
  }
}

/* 🚀 Performance Optimizations */
.sidebar,
.main-content,
.overlay {
  /* Use GPU acceleration for smooth animations */
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* 🎨 Custom Scrollbars (Webkit browsers) */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

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

/* 📱 iOS Safari Specific Fixes */
@supports (-webkit-touch-callout: none) {
  /* Fix viewport height issues */
  .sidebar {
    height: 100vh;
    height: -webkit-fill-available;
  }

  /* Fix input zoom */
  .search-input {
    font-size: 16px;
  }

  /* Fix sticky positioning */
  .enhanced-header {
    position: -webkit-fixed;
    position: fixed;
  }
}

/* 🎯 Print Styles */
@media print {
  .sidebar,
  .menu-toggle,
  .overlay,
  .enhanced-header,
  .copy-button {
    display: none !important;
  }

  .main-content {
    margin-left: 0 !important;
    max-width: 100% !important;
  }

  section {
    box-shadow: none !important;
    border: 1px solid #ddd;
    page-break-inside: avoid;
  }

  pre {
    white-space: pre-wrap;
    word-break: break-word;
  }

  a {
    text-decoration: underline;
  }

  /* Print URLs after links */
  a[href^="http"]:after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
}

/* 🌟 Special Effects & Polish */
.enhanced-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--primary-color) 50%,
    transparent 100%
  );
  opacity: 0.5;
}

/* Smooth focus rings */
@supports (outline-style: auto) {
  button:focus-visible,
  a:focus-visible,
  input:focus-visible {
    outline: 2px auto var(--primary-color);
    outline-offset: 2px;
  }
}

/* 🎊 Success state animations */
@keyframes success-pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

.copy-button.success {
  animation: success-pulse 0.3s ease-out;
  background-color: var(--secondary-color);
}

/* 🔥 Final Polish - Micro-interactions */
.sidebar-nav a {
  position: relative;
  overflow: hidden;
}

.sidebar-nav a::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transition: left var(--transition-slow);
}

.sidebar-nav a:hover::before {
  left: 100%;
}

/* Loading states for better UX */
@keyframes skeleton-loading {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

.loading-skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200px 100%;
  animation: skeleton-loading 1.5s infinite;
}

/* Page load animation */
@keyframes pageReveal {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol";
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--text-color);
  background-color: var(--bg-color);
  /* Prevent horizontal scroll on mobile */
  overflow-x: hidden;
  /* Improve text rendering */
  text-rendering: optimizeLegibility;
  /* Better touch scrolling (iOS) */
  -webkit-overflow-scrolling: touch;
  /* Page reveal animation */
  animation: pageReveal 0.8s ease-out;
}

/* Enhanced theme toggle animation */
.theme-toggle {
  width: var(--touch-target-size);
  height: var(--touch-target-size);
  border: none;
  background: transparent;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s cubic-bezier(0.68, -0.6, 0.32, 1.6);
  color: var(--text-color);
  position: relative;
}

.theme-toggle:hover {
  background-color: rgba(0, 0, 0, 0.1);
  outline: none;
  transform: rotate(15deg) scale(1.1);
}

/* Add ripple effect on click */
.theme-toggle::after {
  content: "";
  position: absolute;
  width: 50px;
  height: 50px;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.8) 0%,
    rgba(255, 255, 255, 0) 70%
  );
  border-radius: 50%;
  opacity: 0;
  transform: scale(0);
  pointer-events: none;
}

.theme-toggle:active::after {
  animation: ripple 0.6s ease-out;
}

@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(3);
    opacity: 0;
  }
}

/* Breathing effect on hover for buttons */
.menu-toggle:hover,
button:hover:not(.theme-toggle) {
  animation: breathe-pulse 2s infinite;
}

@keyframes breathe {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* Code blocks special effect */
pre {
  position: relative;
  background-color: var(--code-bg);
  color: var(--code-color);
  padding: 1rem;
  border-radius: var(--border-radius);
  overflow: hidden;
  margin: 1rem 0;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  /* Better scrolling on mobile */
  -webkit-overflow-scrolling: touch;
  /* Scrollbar styling */
  scrollbar-width: thin;
  scrollbar-color: #666 var(--code-bg);
}

pre::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0) 45%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0) 55%
  );
  transform: rotate(30deg);
  animation: codeScan 3s infinite cubic-bezier(0.455, 0.03, 0.515, 0.955);
  pointer-events: none;
}

@keyframes codeScan {
  0% {
    transform: translateX(-100%) translateY(-100%) rotate(30deg);
  }
  100% {
    transform: translateX(100%) translateY(100%) rotate(30deg);
  }
}

/* Enhanced mobile sidebar animation */
@media (max-width: 1024px) {
  body.sidebar-open .sidebar {
    animation: slideInSidebar 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  }

  @keyframes slideInSidebar {
    from {
      transform: translateX(-100%);
    }
    to {
      transform: translateX(0);
    }
  }

  body.sidebar-open .overlay {
    animation: fadeInOverlay 0.5s ease forwards;
  }

  @keyframes fadeInOverlay {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }
}