/* ==========================================================================
   CustomLabelGroup Privacy Policy Stylesheet
   Modern, responsive, accessible, dark/light theme & print-friendly.
   ========================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* Light Theme */
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-color: #0f172a;
  --text-muted: #64748b;
  --accent-color: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: #eff6ff;
  --border-color: #e2e8f0;
  --header-bg: rgba(255, 255, 255, 0.85);
  --code-bg: #f1f5f9;
  --code-color: #0f172a;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] {
  /* Dark Theme */
  --bg-color: #0b0f19;
  --card-bg: #131c2e;
  --text-color: #f8fafc;
  --text-muted: #94a3b8;
  --accent-color: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-light: rgba(59, 130, 246, 0.15);
  --border-color: #243048;
  --header-bg: rgba(11, 15, 25, 0.85);
  --code-bg: #1c273e;
  --code-color: #f1f5f9;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-color: #0b0f19;
    --card-bg: #131c2e;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --accent-color: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-light: rgba(59, 130, 246, 0.15);
    --border-color: #243048;
    --header-bg: rgba(11, 15, 25, 0.85);
    --code-bg: #1c273e;
    --code-color: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-color);
  background-color: var(--bg-color);
  transition: background-color 0.25s ease, color 0.25s ease;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   Global Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: border-color 0.25s ease;
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-color);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  background-color: var(--accent-light);
  color: var(--accent-color);
  border: 1px solid var(--border-color);
}

.nav-tabs {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.35rem;
  background: var(--code-bg);
  padding: 0.3rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.nav-tab a {
  display: block;
  padding: 0.35rem 0.85rem;
  border-radius: 7px;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.nav-tab a:hover {
  color: var(--text-color);
}

.nav-tab.active a {
  background-color: var(--card-bg);
  color: var(--accent-color);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-icon {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 1rem;
}

.btn-icon:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  transform: translateY(-1px);
}

/* ==========================================================================
   Portal Landing Page (/workspace/public/index.html)
   ========================================================================== */
.portal-hero {
  max-width: 1100px;
  margin: 3.5rem auto 2.5rem;
  padding: 0 1.5rem;
  text-align: center;
}

.portal-badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  background-color: var(--accent-light);
  color: var(--accent-color);
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-color);
}

.portal-title {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.portal-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
}

.pillars-grid {
  max-width: 1100px;
  margin: 2rem auto 3rem;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.pillar-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pillar-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.pillar-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  display: inline-block;
}

.pillar-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pillar-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.platforms-section {
  max-width: 1100px;
  margin: 1rem auto 4rem;
  padding: 0 1.5rem;
}

.section-heading {
  text-align: center;
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.platform-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-decoration: none;
  color: var(--text-color);
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}

.platform-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-color);
  box-shadow: var(--shadow-lg);
}

.platform-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.platform-icon {
  font-size: 2rem;
}

.platform-name {
  font-size: 1.25rem;
  font-weight: 700;
}

.platform-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.platform-action {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-color);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* ==========================================================================
   Two-Column Policy Document Layout
   ========================================================================== */
.policy-container {
  max-width: 1280px;
  margin: 2rem auto 4rem;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  align-items: start;
}

/* Table of Contents Sidebar */
.toc-sidebar {
  position: sticky;
  top: 5.5rem;
  max-height: calc(100vh - 7rem);
  overflow-y: auto;
  padding-right: 1rem;
}

.toc-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.toc-list {
  list-style: none;
  border-left: 2px solid var(--border-color);
}

.toc-item {
  margin: 0.35rem 0;
}

.toc-item a {
  display: block;
  padding: 0.35rem 0 0.35rem 1rem;
  text-decoration: none;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.4;
  transition: all 0.15s ease;
  position: relative;
  left: -2px;
  border-left: 2px solid transparent;
}

.toc-item.level-3 a {
  padding-left: 1.75rem;
  font-size: 0.82rem;
}

.toc-item a:hover {
  color: var(--text-color);
}

.toc-item.active a {
  color: var(--accent-color);
  font-weight: 600;
  border-left-color: var(--accent-color);
  background: linear-gradient(90deg, var(--accent-light), transparent);
}

/* Main Article Content */
.policy-content {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 3rem;
  box-shadow: var(--shadow-sm);
  min-width: 0;
}

.policy-meta-banner {
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.policy-meta-item strong {
  color: var(--text-color);
}

/* Markdown Render Typography */
.markdown-body h1 {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
  line-height: 1.25;
}

.markdown-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 2.25rem;
  margin-bottom: 0.85rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border-color);
  scroll-margin-top: 5rem;
}

.markdown-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.65rem;
  scroll-margin-top: 5rem;
}

.markdown-body p {
  margin-bottom: 1.15rem;
  line-height: 1.75;
}

.markdown-body strong {
  font-weight: 600;
  color: var(--text-color);
}

.markdown-body em {
  font-style: italic;
}

.markdown-body a {
  color: var(--accent-color);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}

.markdown-body a:hover {
  color: var(--accent-hover);
}

.markdown-body ul,
.markdown-body ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.markdown-body li {
  margin-bottom: 0.4rem;
}

.markdown-body hr {
  border: none;
  height: 1px;
  background-color: var(--border-color);
  margin: 2rem 0;
}

.markdown-body blockquote {
  border-left: 4px solid var(--accent-color);
  background-color: var(--accent-light);
  padding: 0.85rem 1.25rem;
  border-radius: 0 8px 8px 0;
  margin: 1.5rem 0;
  color: var(--text-color);
}

.markdown-body code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background-color: var(--code-bg);
  color: var(--code-color);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  background-color: var(--card-bg);
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent-color);
}

/* ==========================================================================
   Mobile Responsive Adjustments (< 768px)
   ========================================================================== */
.mobile-toc-toggle {
  display: none;
}

@media (max-width: 768px) {
  .header-container {
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
  }

  .nav-tabs {
    order: 3;
    width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
  }

  .portal-title {
    font-size: 2rem;
  }

  .policy-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin: 1rem auto 3rem;
    padding: 0 1rem;
  }

  .policy-content {
    padding: 1.5rem;
  }

  .mobile-toc-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-color);
    margin-bottom: 1rem;
  }

  .toc-sidebar {
    position: static;
    max-height: none;
    display: none;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1.5rem;
  }

  .toc-sidebar.open {
    display: block;
  }
}

/* ==========================================================================
   Print Stylesheet (@media print)
   ========================================================================== */
@media print {
  .site-header,
  .toc-sidebar,
  .mobile-toc-toggle,
  .site-footer,
  .btn-icon {
    display: none !important;
  }

  html, body {
    background: #ffffff !important;
    color: #000000 !important;
    font-size: 12pt;
  }

  .policy-container {
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  .policy-content {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
  }

  .markdown-body h2 {
    page-break-before: auto;
    page-break-after: avoid;
  }

  .markdown-body a {
    color: #000000 !important;
    text-decoration: underline;
  }
}