:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(31, 41, 55, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: #6366f1;
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  --accent-glow: rgba(99, 102, 241, 0.25);
  --badge-bg: rgba(99, 102, 241, 0.12);
  --badge-text: #a5b4fc;
  --badge-border: rgba(99, 102, 241, 0.25);
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --sidebar-w: 280px;
  --header-h: 70px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: #f1f5f9;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-focus: #4f46e5;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent: #4f46e5;
  --accent-light: #6366f1;
  --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #9333ea 100%);
  --accent-glow: rgba(79, 70, 229, 0.15);
  --badge-bg: rgba(79, 70, 229, 0.08);
  --badge-text: #4338ca;
  --badge-border: rgba(79, 70, 229, 0.2);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.08);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Background Ambient Glow */
.ambient-glow {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 550px;
  background: radial-gradient(circle 600px at 50% -50px, var(--accent-glow), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Reading Progress Bar */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--accent-gradient);
  width: 0%;
  z-index: 1000;
  transition: width 0.1s ease-out;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  height: var(--header-h);
}

.header-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.brand-name {
  font-family: 'Outfit', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  background: var(--badge-bg);
  color: var(--badge-text);
  border: 1px solid var(--badge-border);
  letter-spacing: 0.05em;
}

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

.header-nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.header-nav-link:hover, .header-nav-link.active {
  color: var(--text-primary);
  background: var(--badge-bg);
}

.icon-button {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-button:hover {
  color: var(--text-primary);
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

/* Layout */
.page-wrapper {
  max-width: 1240px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
  position: relative;
  z-index: 1;
}

/* Hero Section */
.hero {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--badge-text);
  font-size: 0.825rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero-tag-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success);
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary) 60%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.highlight-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.1rem;
  border-radius: var(--radius-md);
  text-align: left;
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.highlight-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.highlight-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--badge-bg);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.highlight-card h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.highlight-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Main Content Layout with Sidebar */
.content-grid {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
}

/* Sidebar & TOC */
.sidebar {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  max-height: calc(100vh - var(--header-h) - 3rem);
  overflow-y: auto;
  scrollbar-width: thin;
}

.sidebar-search {
  position: relative;
  margin-bottom: 1rem;
}

.sidebar-search input {
  width: 100%;
  padding: 0.55rem 0.75rem 0.55rem 2.1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.825rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.sidebar-search input:focus {
  border-color: var(--border-focus);
}

.sidebar-search svg {
  position: absolute;
  left: 0.65rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 15px;
  height: 15px;
}

.toc-header {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.toc-link {
  display: block;
  padding: 0.45rem 0.65rem;
  font-size: 0.825rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border-left: 2px solid transparent;
}

.toc-link:hover {
  color: var(--text-primary);
  background: var(--badge-bg);
}

.toc-link.active {
  color: var(--accent);
  font-weight: 600;
  background: var(--badge-bg);
  border-left-color: var(--accent);
}

/* Policy Content Sections */
.policy-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.policy-section {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.policy-section:hover {
  border-color: rgba(99, 102, 241, 0.3);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.section-title-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.section-number {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
}

.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.copy-anchor-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.copy-anchor-btn:hover {
  color: var(--accent);
  background: var(--badge-bg);
}

.policy-body {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.policy-body p {
  margin-bottom: 1rem;
}

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

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

.policy-body ul, .policy-body ol {
  margin: 0.75rem 0 1.25rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.policy-body li {
  padding-left: 0.25rem;
}

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

/* Specialized Cards & Boxes */
.callout-box {
  margin: 1.25rem 0;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--accent);
  background: var(--bg-secondary);
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.callout-box.info {
  border-left-color: var(--accent);
  background: var(--badge-bg);
}

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

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

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

.callout-icon {
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.callout-content {
  font-size: 0.9rem;
  line-height: 1.6;
}

.callout-content strong {
  display: block;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  font-size: 0.95rem;
}

/* Info Table */
.data-table-container {
  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;
  font-size: 0.875rem;
  text-align: left;
}

.data-table th {
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 600;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 0.85rem 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: var(--badge-bg);
}

/* Tag Pills */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0 1.25rem;
}

.tag-pill {
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
}

/* Quick Action Buttons */
.action-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger:hover {
  background: #dc2626;
}

/* Contact Details Card */
.contact-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.contact-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.contact-card-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.contact-card-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-all;
}

.contact-card a {
  color: var(--accent);
  text-decoration: none;
}

.contact-card a:hover {
  text-decoration: underline;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
  padding: 3rem 1.5rem;
  margin-top: 5rem;
  position: relative;
  z-index: 1;
}

.footer-container {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

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

.footer-copy {
  color: var(--text-muted);
  font-size: 0.8rem;
  width: 100%;
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Interactive Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--accent);
  box-shadow: var(--shadow-lg);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Form Styles for Account Deletion */
.deletion-form-container {
  max-width: 680px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.925rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-helper {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.form-checkbox-label input {
  margin-top: 0.2rem;
}

/* Responsive */
@media (max-width: 900px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
  .sidebar {
    display: none;
  }
  .header-nav {
    display: none;
  }
}

@media (max-width: 600px) {
  .policy-section {
    padding: 1.25rem;
  }
  .hero {
    margin-bottom: 2rem;
  }
  .hero-title {
    font-size: 1.85rem;
  }
  .action-btn-group {
    flex-direction: column;
  }
  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Print Styles */
@media print {
  .ambient-glow, .progress-bar, .site-header, .sidebar, .action-btn-group, .icon-button, .site-footer {
    display: none !important;
  }
  body {
    background: white;
    color: black;
  }
  .policy-section {
    border: none;
    box-shadow: none;
    page-break-inside: avoid;
    padding: 1rem 0;
  }
}