/* NetSense Privacy Policies - Design System & Stylesheet */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Dark Theme (Default) */
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --bg-card: #141c2e;
  --bg-card-hover: #1c273e;
  
  --border-color: #2d3748;
  --border-highlight: #3b82f6;
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-link: #60a5fa;
  
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --badge-bg: rgba(59, 130, 246, 0.12);
  --badge-text: #60a5fa;
  --badge-border: rgba(59, 130, 246, 0.3);

  --callout-vpn-bg: rgba(6, 182, 212, 0.08);
  --callout-vpn-border: #06b6d4;
  --callout-alert-bg: rgba(245, 158, 11, 0.08);
  --callout-alert-border: #f59e0b;
  --callout-admin-bg: rgba(99, 102, 241, 0.08);
  --callout-admin-border: #6366f1;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.3);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  
  --border-color: #e2e8f0;
  --border-highlight: #2563eb;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-link: #2563eb;
  
  --badge-bg: rgba(37, 99, 235, 0.08);
  --badge-text: #1d4ed8;
  --badge-border: rgba(37, 99, 235, 0.25);

  --callout-vpn-bg: rgba(6, 182, 212, 0.06);
  --callout-vpn-border: #0284c7;
  --callout-alert-bg: rgba(245, 158, 11, 0.06);
  --callout-alert-border: #d97706;
  --callout-admin-bg: rgba(99, 102, 241, 0.06);
  --callout-admin-border: #4f46e5;
  
  --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 -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
}

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

html {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
}

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

/* Header & Top Bar */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  transition: background-color var(--transition-normal);
}

[data-theme="light"] .top-nav {
  background-color: rgba(255, 255, 255, 0.85);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-icon {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background: var(--bg-tertiary);
  border-color: var(--text-muted);
}

/* Layout Container */
.page-container {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
  flex: 1;
}

.document-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* Sidebar Table of Contents */
.toc-sidebar {
  position: sticky;
  top: 5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  max-height: calc(100vh - 6.5rem);
  overflow-y: auto;
  box-shadow: var(--shadow-sm);
}

.toc-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.toc-list a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  display: block;
  transition: all var(--transition-fast);
}

.toc-list a:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.toc-list a.active {
  color: var(--text-link);
  background: var(--badge-bg);
  font-weight: 600;
}

/* Main Policy Document */
.doc-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.doc-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--border-color);
}

.app-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: var(--badge-bg);
  color: var(--badge-text);
  border: 1px solid var(--badge-border);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.doc-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--text-primary) 60%, var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.doc-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

.meta-dates {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.meta-dates strong {
  color: var(--text-secondary);
}

/* Typography & Sections */
.policy-section {
  margin-bottom: 2.5rem;
  scroll-margin-top: 6rem;
}

.policy-section h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.policy-section h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 1.5rem 0 0.75rem 0;
}

.policy-section p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.policy-section ul, .policy-section ol {
  color: var(--text-secondary);
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.policy-section li {
  margin-bottom: 0.5rem;
}

.policy-section strong {
  color: var(--text-primary);
}

/* Google Play Compliance Callout Boxes */
.compliance-box {
  margin: 1.5rem 0;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--accent-blue);
  background: var(--bg-tertiary);
}

.compliance-box.vpn-disclosure {
  border-left-color: var(--callout-vpn-border);
  background: var(--callout-vpn-bg);
}

.compliance-box.alert-disclosure {
  border-left-color: var(--callout-alert-border);
  background: var(--callout-alert-bg);
}

.compliance-box.admin-disclosure {
  border-left-color: var(--callout-admin-border);
  background: var(--callout-admin-bg);
}

.compliance-title {
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.compliance-box p {
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.compliance-box p:last-child {
  margin-bottom: 0;
}

/* Tables for Data Practices & Permissions */
.data-table-wrapper {
  overflow-x: auto;
  margin: 1.25rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.data-table th {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

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

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  background: var(--bg-tertiary);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  color: var(--accent-cyan);
}

/* Index Portal Cards Grid */
.portal-hero {
  text-align: center;
  max-width: 800px;
  margin: 1rem auto 3rem;
}

.portal-hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary) 40%, var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.portal-hero p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  line-height: 1.6;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
  margin-top: 2rem;
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.app-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.app-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-lg);
}

.app-card:hover::before {
  opacity: 1;
}

.app-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  color: #fff;
}

.icon-vpn {
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
}

.icon-monitor {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
}

.icon-orchestrator {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

.app-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.app-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
  flex: 1;
}

.card-link-text {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-link);
  font-weight: 600;
  font-size: 0.9375rem;
}

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

footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

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

/* Responsive Styles */
@media (max-width: 960px) {
  .document-layout {
    grid-template-columns: 1fr;
  }
  
  .toc-sidebar {
    position: relative;
    top: 0;
    max-height: none;
    margin-bottom: 1.5rem;
  }

  .doc-content {
    padding: 1.5rem;
  }

  .doc-title {
    font-size: 1.75rem;
  }

  .portal-hero h1 {
    font-size: 2rem;
  }
}

/* Print Stylesheet */
@media print {
  .top-nav, .toc-sidebar, .btn-icon, footer {
    display: none !important;
  }

  body, .page-container, .doc-content {
    background: #fff !important;
    color: #000 !important;
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
    max-width: 100% !important;
  }

  .doc-title {
    -webkit-text-fill-color: #000 !important;
    color: #000 !important;
  }

  .compliance-box {
    border: 1px solid #000 !important;
    background: #f9f9f9 !important;
  }
}