/**
 * Mobile-Responsive Styles
 * Breakpoints: 320px-768px (mobile), 768px-1024px (tablet), 1024px+ (desktop)
 * WCAG 2.1 AA compliant
 */

/* ============================================
 * Mobile First Approach
 * ============================================ */

/* Base Mobile Styles (320px+) */
@media (max-width: 768px) {
  /* Typography */
  :root {
    --vp-font-size-base: 14px;
    --vp-content-width: 100%;
  }

  /* Container */
  .container {
    padding: 0 16px;
  }

  /* Navigation */
  .VPNav {
    height: 56px;
  }

  .VPNavBar {
    padding: 0 16px;
  }

  /* Sidebar */
  .VPSidebar {
    width: 100%;
    max-width: 320px;
  }

  /* Content */
  .VPContent {
    padding: 16px;
  }

  /* Doc content adjustments */
  .VPDoc .content-container {
    padding: 0 16px;
  }

  /* Hide outline on mobile */
  .VPDocOutline {
    display: none;
  }

  /* Hero Section */
  .VPHomeHero {
    padding: 40px 16px;
  }

  .VPHomeHero h1 {
    font-size: 28px;
    line-height: 1.2;
  }

  .VPHomeHero p {
    font-size: 14px;
  }

  /* Code Blocks */
  div[class*='language-'] {
    margin: 12px -16px;
    border-radius: 0;
  }

  div[class*='language-'] pre {
    padding: 12px 16px;
    font-size: 12px;
  }

  /* Tables - make them scrollable */
  .vp-doc table {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  table {
    font-size: 12px;
  }

  table th,
  table td {
    padding: 8px 12px;
  }

  /* Buttons */
  .VPButton {
    padding: 8px 16px;
    font-size: 14px;
  }

  /* Cards */
  .VPFeature {
    padding: 16px;
  }

  /* Touch-friendly tap targets (min 44x44px per WCAG) */
  button,
  a,
  input,
  select,
  textarea {
    min-height: 44px;
    min-width: 44px;
  }

  /* Search */
  .DocSearch {
    width: 100%;
  }

  /* Theme Switcher */
  .theme-switcher {
    padding: 12px;
  }

  /* Breadcrumbs */
  .breadcrumb {
    padding: 8px 0;
    font-size: 12px;
  }

  /* Table of Contents - hidden on mobile */
  .page-toc {
    display: none;
  }

  /* Typography adjustments for mobile */
  .vp-doc h1 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
  }

  .vp-doc h2 {
    font-size: 1.375rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
  }

  .vp-doc h3 {
    font-size: 1.125rem;
    margin-top: 1.5rem;
  }

  .vp-doc p {
    line-height: 1.7;
    margin: 1rem 0;
  }

  .vp-doc ul,
  .vp-doc ol {
    margin: 1rem 0;
    padding-left: 1.25rem;
  }

  .vp-doc li {
    margin: 0.375rem 0;
  }
}

/* ============================================
 * Tablet Styles (768px - 1024px)
 * ============================================ */
@media (min-width: 768px) and (max-width: 1024px) {
  :root {
    --vp-content-width: 760px;
    --vp-sidebar-width: 240px;
  }

  .VPContent {
    padding: 24px;
  }

  .VPDoc .content-container {
    padding: 0 24px;
    max-width: var(--vp-content-width);
  }

  .VPHomeHero {
    padding: 60px 24px;
  }

  .VPHomeHero h1 {
    font-size: 36px;
  }

  div[class*='language-'] {
    margin: 12px 0;
  }

  /* Outline visible but narrower */
  .VPDocOutline {
    width: 200px;
    padding-left: 16px;
  }

  .VPDocOutline .outline-link {
    font-size: 12px;
  }
}

/* ============================================
 * Desktop Styles (1024px+)
 * ============================================ */
@media (min-width: 1024px) {
  :root {
    --vp-layout-max-width: 1600px;
    --vp-content-width: 960px;
    --vp-sidebar-width: 272px;
  }

  .VPContent {
    padding: 32px 48px;
    max-width: var(--vp-layout-max-width);
  }

  .VPDoc .content-container {
    max-width: var(--vp-content-width);
    padding: 0 40px;
  }

  /* Outline - sticky on desktop with good width */
  .VPDocOutline {
    position: sticky;
    top: calc(var(--vp-nav-height) + 24px);
    width: 256px;
    padding-left: 24px;
    max-height: calc(100vh - var(--vp-nav-height) - 48px);
    overflow-y: auto;
  }

  .VPDocOutline .outline-marker {
    display: block;
  }

  .VPDocOutline .outline-link {
    font-size: 13px;
    line-height: 1.6;
    padding: 4px 12px;
    transition: color 0.2s ease;
  }

  .VPDocOutline .outline-link:hover {
    color: var(--vp-c-primary);
  }

  /* Two-column layout for content + TOC */
  .content-with-toc {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 32px;
  }
}

/* ============================================
 * Large Desktop (1440px+)
 * ============================================ */
@media (min-width: 1440px) {
  :root {
    --vp-content-width: 1040px;
    --vp-sidebar-width: 280px;
  }

  .VPDoc .content-container {
    padding: 0 48px;
  }

  .VPDocOutline {
    width: 280px;
  }
}

/* ============================================
 * Landscape Orientation
 * ============================================ */
@media (max-height: 500px) and (orientation: landscape) {
  .VPNav {
    height: 48px;
  }

  .VPHomeHero {
    padding: 20px 16px;
  }
}

/* ============================================
 * High DPI Displays
 * ============================================ */
@media (-webkit-min-device-pixel-ratio: 2),
       (min-resolution: 192dpi) {
  /* Optimize images for retina displays */
  img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

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

/* ============================================
 * Dark Mode Specific
 * ============================================ */
@media (max-width: 768px) {
  .dark {
    --vp-c-bg: #0f172a;
    --vp-c-text-1: #f1f5f9;
  }
}

/* ============================================
 * Print Styles for Mobile
 * ============================================ */
@media print and (max-width: 768px) {
  .VPContent {
    font-size: 10pt;
  }

  h1 {
    font-size: 14pt;
  }

  h2 {
    font-size: 12pt;
  }
}