:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;
  --primary-glow: rgba(79, 70, 229, 0.15);
  --accent: #0ea5e9;
  --accent-light: #f0f9ff;
  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-alt: #f1f5f9;
  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --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, 0.04);
  
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-page: #0b0f19;
    --bg-card: #111827;
    --bg-card-alt: #1f2937;
    --text-main: #f8fafc;
    --text-body: #cbd5e1;
    --text-muted: #94a3b8;
    --text-light: #64748b;
    --border-subtle: #1e293b;
    --border-strong: #334155;
    --primary-light: rgba(79, 70, 229, 0.15);
    --accent-light: rgba(14, 165, 233, 0.15);
    --success-light: rgba(16, 185, 129, 0.15);
    --warning-light: rgba(245, 158, 11, 0.15);
    --danger-light: rgba(239, 68, 68, 0.15);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  }
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Header & Navigation */
.site-header {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.92);
}

@media (prefers-color-scheme: dark) {
  .site-header {
    background-color: rgba(17, 24, 39, 0.92);
  }
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
}

.brand-badge {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #4f46e5 0%, #0ea5e9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 1.25rem;
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
}

.brand-titles {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--text-main);
  line-height: 1.2;
}

.brand-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  list-style: none;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--text-muted);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: var(--primary);
  background-color: var(--primary-light);
}

.nav-link.active {
  color: var(--primary);
  background-color: var(--primary-light);
}

/* Hero Section */
.hero-banner {
  background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-page) 100%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 3rem 1.5rem 2.5rem;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.app-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--primary-light);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.app-pill svg {
  width: 14px;
  height: 14px;
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
  line-height: 1.2;
  margin-bottom: 0.85rem;
}

.hero-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.meta-item {
  display: flex;
  flex-direction: column;
}

.meta-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--text-muted);
}

.meta-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

.meta-val.code {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--primary);
}

/* Main Layout */
.layout-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 860px) {
  .layout-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Sidebar / Table of Contents */
.toc-sidebar {
  position: sticky;
  top: 5rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.toc-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 800;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-height: calc(100vh - 12rem);
  overflow-y: auto;
  padding-right: 0.25rem;
}

.toc-link {
  font-size: 0.84rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  display: block;
  line-height: 1.4;
  transition: all 0.15s ease;
}

.toc-link:hover {
  color: var(--primary);
  background-color: var(--primary-light);
  transform: translateX(2px);
}

/* Document Content */
.policy-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 640px) {
  .policy-content {
    padding: 1.5rem;
  }
}

.policy-section {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-subtle);
}

.policy-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.section-number {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

.section-heading {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.sub-heading {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 1.5rem 0 0.75rem;
  line-height: 1.4;
}

p {
  margin-bottom: 1rem;
  font-size: 0.98rem;
  color: var(--text-body);
}

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

ul, ol {
  margin: 0 0 1.25rem 1.5rem;
}

li {
  margin-bottom: 0.5rem;
  font-size: 0.96rem;
}

li:last-child {
  margin-bottom: 0;
}

strong {
  color: var(--text-main);
  font-weight: 700;
}

a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
  transition: color 0.15s ease;
}

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

/* Callout Boxes */
.callout {
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius-md);
  margin: 1.25rem 0;
  border-left: 4px solid transparent;
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}

.callout-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 2px;
}

.callout-body {
  flex: 1;
  font-size: 0.92rem;
}

.callout-body p {
  font-size: 0.92rem;
  margin-bottom: 0.5rem;
}

.callout-body p:last-child {
  margin-bottom: 0;
}

.callout-info {
  background-color: var(--accent-light);
  border-left-color: var(--accent);
  color: var(--text-body);
}

.callout-info .callout-icon {
  color: var(--accent);
}

.callout-success {
  background-color: var(--success-light);
  border-left-color: var(--success);
  color: var(--text-body);
}

.callout-success .callout-icon {
  color: var(--success);
}

.callout-warning {
  background-color: var(--warning-light);
  border-left-color: var(--warning);
  color: var(--text-body);
}

.callout-warning .callout-icon {
  color: var(--warning);
}

/* Feature Grid / Cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.feature-card {
  background-color: var(--bg-card-alt);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.card-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background-color: var(--primary-light);
  color: var(--primary);
  margin-bottom: 0.65rem;
}

.card-tag.tag-warning {
  background-color: var(--warning-light);
  color: #b45309;
}

.card-tag.tag-success {
  background-color: var(--success-light);
  color: #047857;
}

.feature-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.55;
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin: 1.25rem 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

th {
  background-color: var(--bg-card-alt);
  color: var(--text-main);
  font-weight: 700;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-body);
}

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

tr:hover td {
  background-color: rgba(79, 70, 229, 0.02);
}

code {
  font-family: var(--font-mono);
  background-color: var(--bg-card-alt);
  color: var(--primary);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.85em;
  border: 1px solid var(--border-subtle);
}

/* Buttons */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff !important;
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(79, 70, 229, 0.35);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-strong);
  color: var(--text-main) !important;
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary) !important;
  background-color: var(--primary-light);
}

/* Interactive Forms */
.form-box {
  background-color: var(--bg-card-alt);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 2rem 0;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 0.75rem 0.95rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
  color: var(--text-main);
  transition: all 0.2s ease;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  cursor: pointer;
}

.form-check input[type="checkbox"] {
  margin-top: 0.25rem;
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-card);
  padding: 2.5rem 1.5rem;
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
}

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

/* Print Styles */
@media print {
  .site-header, .toc-sidebar, .btn-group, .site-footer, .form-box {
    display: none !important;
  }
  
  .layout-container {
    display: block;
    padding: 0;
  }
  
  .policy-content {
    border: none;
    box-shadow: none;
    padding: 0;
  }
  
  body {
    background: #ffffff;
    color: #000000;
    font-size: 11pt;
  }
}