/* Technical Stylesheet for md2html-action */
/* Modern tech company documentation styling inspired by Stripe, Notion, and Linear */

/* Import modern fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ─── Theme Variables ─────────────────────────────────────────────────── */
:root {
  /* Light theme - Modern tech company palette */
  --body_background_color: #f8fafc;
  --content_background_color: #ffffff;
  --header_background_color: #1a1d29;
  --sidebar_background_color: #f1f5f9;

  --text_color: #334155;
  --heading_color: #0f172a;
  --subheading_color: #64748b;
  --link_color: #3b82f6;
  --link_hover_color: #2563eb;
  --border_color: #e2e8f0;
  --accent_color: #10b981;

  --toc_background_color: #ffffff;
  --toc_border_color: #e2e8f0;
  --toc_link_color: #64748b;
  --toc_link_hover_color: #3b82f6;
  --toc_active_bg: #eff6ff;

  --code_bg_color: #1e293b;
  --code_text_color: #e2e8f0;
  --inline_code_bg_color: #f1f5f9;
  --inline_code_text_color: #7c3aed;
  
  --success_color: #10b981;
  --warning_color: #f59e0b;
  --error_color: #ef4444;
  --info_color: #3b82f6;

  /* Typography */
  --main_font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --heading_font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono_font: 'JetBrains Mono', 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace;
  
  /* Shadows and gradients */
  --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);
  --gradient_primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient_accent: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --body_background_color: #0f172a;
    --content_background_color: #1e293b;
    --header_background_color: #020617;
    --sidebar_background_color: #1e293b;

    --text_color: #cbd5e1;
    --heading_color: #f1f5f9;
    --subheading_color: #94a3b8;
    --link_color: #60a5fa;
    --link_hover_color: #93c5fd;
    --border_color: #334155;
    --accent_color: #34d399;

    --toc_background_color: #1e293b;
    --toc_border_color: #334155;
    --toc_link_color: #94a3b8;
    --toc_link_hover_color: #60a5fa;
    --toc_active_bg: #1e40af;

    --code_bg_color: #0f172a;
    --code_text_color: #e2e8f0;
    --inline_code_bg_color: #334155;
    --inline_code_text_color: #a855f7;
    
    --success_color: #34d399;
    --warning_color: #fbbf24;
    --error_color: #f87171;
    --info_color: #60a5fa;
  }
}

/* ─── Base Styles ─────────────────────────────────────────────────────── */
html {
  height: 100%;
  scroll-padding-top: 90px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--main_font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text_color);
  background-color: var(--body_background_color);
  min-width: 320px;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Layout ─────────────────────────────────────────────────────────── */
.main-content {
  margin: 0 auto;
  max-width: 1280px;
  background-color: var(--content_background_color);
  padding: 48px 64px 80px 64px;
  padding-top: 140px;
  min-height: calc(100vh - 140px - 80px);
  box-shadow: var(--shadow_lg);
  border-radius: 0 0 16px 16px;
  position: relative;
}

.main-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient_primary);
}

.page-content {
  clear: both;
  margin-top: 32px;
}

/* ─── Header ────────────────────────────────────────────────────────── */
header,
.site-header {
  background: var(--header_background_color);
  background-image: var(--gradient_primary);
  color: white;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: var(--shadow_lg);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
  margin: 0 auto;
  padding: 20px 64px;
  max-width: 1280px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-title h1 {
  margin: 0;
  font-family: var(--heading_font);
  font-weight: 700;
  font-size: 24px;
  color: white;
  background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.site-title h1 a {
  text-decoration: none;
  color: inherit;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav .nav-link {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  margin-left: 32px;
  padding: 12px 20px;
  border-radius: 12px;
  transition: all 0.3s ease;
  font-weight: 500;
  font-size: 15px;
  border: 1px solid transparent;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.site-nav .nav-link:hover,
.site-nav .nav-link.active {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

/* ─── Typography ──────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading_font);
  font-weight: 600;
  color: var(--heading_color);
  margin-top: 48px;
  margin-bottom: 20px;
  line-height: 1.3;
  clear: both;
  letter-spacing: -0.025em;
}

h1 { 
  font-size: 2.5rem;
  font-weight: 700;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--accent_color);
  margin-bottom: 32px;
  color: var(--heading_color);
  background: linear-gradient(135deg, var(--heading_color) 0%, var(--link_color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 { 
  font-size: 1.875rem;
  font-weight: 600;
  margin-top: 56px;
  margin-bottom: 24px;
  position: relative;
  padding-left: 20px;
}

h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  background: var(--gradient_accent);
  border-radius: 2px;
}

h3 { 
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--link_color);
}

h4 { 
  font-size: 1.25rem;
  font-weight: 600;
}

h5 { 
  font-size: 1.125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--subheading_color);
}

h6 { 
  font-size: 1rem;
  font-weight: 500;
  color: var(--subheading_color);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

p {
  margin-bottom: 20px;
  font-weight: 400;
}

/* ─── Page Header ──────────────────────────────────────────────────────── */
.page-header {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 2px solid var(--border_color);
  position: relative;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 80px;
  height: 2px;
  background: var(--gradient_primary);
}

.page-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--heading_color);
  margin: 0 0 16px 0;
  line-height: 1.2;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, var(--heading_color) 0%, var(--link_color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  font-size: 1.25rem;
  color: var(--subheading_color);
  margin: 0 0 16px 0;
  font-weight: 400;
  line-height: 1.5;
}

.page-author {
  font-size: 1rem;
  color: var(--subheading_color);
  margin: 0;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─── Table of Contents ────────────────────────────────────────────────── */
.table-of-contents {
  float: right;
  width: 320px;
  background-color: var(--toc_background_color);
  border: 1px solid var(--toc_border_color);
  border-radius: 16px;
  margin: 32px 0 32px 40px;
  padding: 24px;
  font-size: 14px;
  box-shadow: var(--shadow_md);
  transition: all 0.3s ease;
}

.table-of-contents:hover {
  box-shadow: var(--shadow_lg);
  transform: translateY(-2px);
}

.table-of-contents h2 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 20px 0;
  color: var(--heading_color);
  border: none;
  padding: 0;
  text-align: center;
  position: relative;
}

.table-of-contents h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background: var(--gradient_accent);
  border-radius: 1px;
}

.table-of-contents ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.table-of-contents ul ul {
  padding-left: 20px;
  margin-top: 8px;
  border-left: 2px solid var(--border_color);
  margin-left: 12px;
}

.table-of-contents li {
  margin-bottom: 8px;
}

.table-of-contents a {
  color: var(--toc_link_color);
  text-decoration: none;
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  transition: all 0.2s ease;
  line-height: 1.4;
  font-weight: 500;
  border: 1px solid transparent;
}

.table-of-contents a:hover {
  background-color: var(--toc_active_bg);
  color: var(--link_color);
  border-color: var(--link_color);
  transform: translateX(4px);
}

.table-of-contents a:active,
.table-of-contents a.active {
  background: var(--gradient_primary);
  color: white;
  border-color: transparent;
}

/* ─── Links ──────────────────────────────────────────────────────────── */
a {
  color: var(--link_color);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--link_hover_color);
  text-decoration: none;
}

a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient_primary);
  transition: width 0.3s ease;
}

a:hover::after {
  width: 100%;
}

/* External links */
a[href^="http"]:not([href*="localhost"]):not([href*="127.0.0.1"])::before {
  content: '↗';
  font-size: 0.8em;
  margin-right: 4px;
  opacity: 0.7;
}

/* ─── Lists ──────────────────────────────────────────────────────────── */
ul, ol {
  margin-bottom: 16px;
  padding-left: 32px;
}

li {
  margin-bottom: 4px;
}

/* Task lists */
.task-list-item {
  list-style-type: none;
  margin-left: -32px;
}

.task-list-item-checkbox {
  margin-right: 8px;
}

/* ─── Code ─────────────────────────────────────────────────────────────── */
code, pre, kbd, samp {
  font-family: var(--mono_font);
}

pre {
  background-color: var(--code_bg_color);
  color: var(--code_text_color);
  padding: 24px;
  border-radius: 12px;
  border: 1px solid var(--border_color);
  overflow-x: auto;
  line-height: 1.6;
  margin: 24px 0;
  font-size: 14px;
  box-shadow: var(--shadow_md);
  position: relative;
}

pre::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient_accent);
  border-radius: 12px 12px 0 0;
}

code {
  background-color: var(--inline_code_bg_color);
  color: var(--inline_code_text_color);
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.9em;
  font-weight: 500;
  border: 1px solid var(--border_color);
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: 100%;
  border: none;
  color: inherit;
}

/* Code block language label */
pre[class*="language-"]::after {
  content: attr(class);
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 11px;
  color: var(--subheading_color);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

/* ─── Alerts/Callouts ──────────────────────────────────────────────────── */
.alert {
  padding: 20px 24px;
  margin: 24px 0;
  border-radius: 12px;
  border: none;
  position: relative;
  box-shadow: var(--shadow_sm);
  font-weight: 500;
}

.alert::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: 12px 0 0 12px;
}

.alert-info {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(147, 197, 253, 0.05) 100%);
  color: var(--text_color);
  border-left: 4px solid var(--info_color);
}

.alert-info::before {
  background: var(--info_color);
}

.alert-warning {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(251, 191, 36, 0.05) 100%);
  color: var(--text_color);
  border-left: 4px solid var(--warning_color);
}

.alert-warning::before {
  background: var(--warning_color);
}

.alert-success {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(52, 211, 153, 0.05) 100%);
  color: var(--text_color);
  border-left: 4px solid var(--success_color);
}

.alert-success::before {
  background: var(--success_color);
}

.alert-error {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(248, 113, 113, 0.05) 100%);
  color: var(--text_color);
  border-left: 4px solid var(--error_color);
}

.alert-error::before {
  background: var(--error_color);
}

/* Custom callout boxes */
.callout {
  background: var(--content_background_color);
  border: 2px solid var(--border_color);
  border-radius: 16px;
  padding: 24px;
  margin: 32px 0;
  box-shadow: var(--shadow_md);
  position: relative;
}

.callout-title {
  font-weight: 700;
  color: var(--heading_color);
  margin-bottom: 12px;
  font-size: 1.1em;
}

/* ─── Blockquotes ──────────────────────────────────────────────────────── */
blockquote {
  margin: 32px 0;
  padding: 24px 32px;
  color: var(--subheading_color);
  border: none;
  background: linear-gradient(135deg, var(--sidebar_background_color) 0%, var(--content_background_color) 100%);
  border-radius: 16px;
  position: relative;
  box-shadow: var(--shadow_sm);
  font-style: italic;
  font-weight: 500;
}

blockquote::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 4rem;
  color: var(--accent_color);
  font-family: serif;
  line-height: 1;
  opacity: 0.3;
}

blockquote p {
  margin: 12px 0;
  position: relative;
  z-index: 1;
}

blockquote p:first-child {
  margin-top: 0;
}

blockquote p:last-child {
  margin-bottom: 0;
}

/* ─── Tables ──────────────────────────────────────────────────────────── */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 32px 0;
  font-size: 15px;
  border: 1px solid var(--border_color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow_sm);
  background: var(--content_background_color);
}

th, td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border_color);
  transition: background-color 0.2s ease;
}

th {
  background: linear-gradient(135deg, var(--sidebar_background_color) 0%, var(--content_background_color) 100%);
  font-weight: 600;
  color: var(--heading_color);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
}

th::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient_accent);
}

tr:hover td {
  background-color: var(--sidebar_background_color);
}

tr:last-child td {
  border-bottom: none;
}

/* Striped tables */
tbody tr:nth-child(even) {
  background-color: rgba(0, 0, 0, 0.02);
}

@media (prefers-color-scheme: dark) {
  tbody tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.02);
  }
}

/* ─── Images ──────────────────────────────────────────────────────────── */
img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--shadow_md);
  transition: all 0.3s ease;
}

img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow_lg);
}

figure {
  margin: 32px 0;
  text-align: center;
  background: var(--content_background_color);
  padding: 24px;
  border-radius: 16px;
  box-shadow: var(--shadow_sm);
}

figcaption {
  font-size: 14px;
  color: var(--subheading_color);
  margin-top: 16px;
  font-weight: 500;
  font-style: italic;
}

/* ─── Badges and Labels ────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  color: white;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow_sm);
}

.badge-primary { 
  background: var(--gradient_primary);
}

.badge-success { 
  background: linear-gradient(135deg, var(--success_color) 0%, #059669 100%);
}

.badge-warning { 
  background: linear-gradient(135deg, var(--warning_color) 0%, #d97706 100%);
}

.badge-info { 
  background: linear-gradient(135deg, var(--info_color) 0%, #2563eb 100%);
}

.badge-error { 
  background: linear-gradient(135deg, var(--error_color) 0%, #dc2626 100%);
}

/* Status indicators */
.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border_color);
  background: var(--content_background_color);
}

.status::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success_color);
}

.status.warning::before { background: var(--warning_color); }
.status.error::before { background: var(--error_color); }
.status.info::before { background: var(--info_color); }

/* ─── Footer ──────────────────────────────────────────────────────────── */
footer,
.site-footer {
  background: linear-gradient(135deg, var(--sidebar_background_color) 0%, var(--content_background_color) 100%);
  border-top: 1px solid var(--border_color);
  padding: 32px 0;
  margin-top: 64px;
  font-size: 14px;
  color: var(--subheading_color);
}

.footer-content {
  margin: 0 auto;
  max-width: 1280px;
  padding: 0 64px;
  text-align: center;
}

/* ─── Responsive Design ────────────────────────────────────────────────── */
@media (max-width: 1200px) {
  .table-of-contents {
    float: none;
    width: 100%;
    margin: 32px 0;
    position: static;
    max-height: none;
  }
  
  .main-content {
    padding: 120px 48px 64px 48px;
  }
  
  .header-content,
  .footer-content {
    padding: 20px 48px;
  }
}

@media (max-width: 768px) {
  .main-content {
    padding: 100px 32px 48px 32px;
    border-radius: 0;
    box-shadow: none;
  }
  
  .header-content,
  .footer-content {
    padding: 16px 32px;
    flex-direction: column;
    text-align: center;
  }
  
  .site-nav {
    margin-top: 16px;
  }
  
  .site-nav .nav-link {
    margin: 0 8px 8px 8px;
    display: inline-block;
  }
  
  .table-of-contents {
    padding: 20px;
    margin: 24px 0;
    border-radius: 12px;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .alert, .callout {
    padding: 16px;
    margin: 20px 0;
    border-radius: 8px;
  }
}

@media (max-width: 480px) {
  .main-content {
    padding: 80px 16px 32px 16px;
  }
  
  .header-content,
  .footer-content {
    padding: 12px 16px;
  }
  
  .site-title h1 {
    font-size: 20px;
  }
  
  .site-nav .nav-link {
    padding: 8px 12px;
    font-size: 14px;
    margin: 4px;
  }
  
  .table-of-contents {
    padding: 16px;
    margin: 16px 0;
  }
  
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.25rem;
  }
  
  pre {
    padding: 16px;
    border-radius: 8px;
  }
  
  table {
    font-size: 13px;
  }
  
  th, td {
    padding: 12px 8px;
  }
}

/* ─── Accessibility ────────────────────────────────────────────────────── */
@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;
  }
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--link_color);
  outline-offset: 2px;
  border-radius: 4px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --shadow_sm: none;
    --shadow_md: none;
    --shadow_lg: none;
  }
  
  .alert, .callout {
    border: 2px solid;
  }
  
  .table-of-contents {
    border: 2px solid var(--border_color);
  }
}