/**
 * @license
 * Copyright (c) 2026 Xue Studios LLC. All rights reserved.
 * SPDX-License-Identifier: LicenseRef-XueStudios-Proprietary
 */

/* ==========================================================================
   OIM ECOSYSTEM — LEGAL DOCUMENTATION STYLESHEET
   Clean, authoritative, editorial design following OIM Design Tokens.
   No AI slop: no neon pills, no pulsing badges, no decorative label tracking.
   ========================================================================== */

:root {
  /* Layout Dimensions */
  --topbar-height: 56px;
  --max-content-width: 1200px;

  /* Surfaces & Backgrounds */
  --bg: #151619;
  --bg-subtle: #121316;
  --bg-card: #1E2024;
  --bg-elevated: #26282E;

  /* Dividers & Borders */
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  /* Typography Colors */
  --text: #F3F4F6;
  --text-secondary: #D1D5DB;
  --text-muted: #9CA3AF;
  --text-dim: #6B7280;

  /* Subtle Editorial Accents (Glyphs / Understated markers only) */
  --accent-amber: #f59e0b;
  --btn-primary-bg: #FFFFFF;
  --btn-primary-text: #090A0C;

  /* Typography Stacks */
  --font-display: 'Bricolage Grotesque', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --font-serif: 'Lora', Georgia, serif;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-pill: 9999px;
}

/* Base Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-height) + 24px);
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg);
  color: var(--text-secondary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   TOPBAR NAVIGATION
   ========================================================================== */

.legal-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--topbar-height);
  background: rgba(21, 22, 25, 0.90);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.legal-topbar-inner {
  max-width: var(--max-content-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.legal-brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.legal-logo-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.legal-brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--text);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.legal-brand-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.legal-topbar-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.legal-nav-link {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.legal-nav-link:hover {
  color: var(--text);
}

.legal-nav-link.active {
  color: var(--text);
  font-weight: 600;
}

/* Language Selector */
.legal-lang-toggle {
  display: flex;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 2px;
  margin-left: 8px;
}

.legal-lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.legal-lang-btn:hover {
  color: var(--text);
}

.legal-lang-btn.active {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
}

/* ==========================================================================
   PAGE GRID LAYOUT (SIDEBAR + MAIN CONTENT)
   ========================================================================== */

.legal-layout-container {
  max-width: var(--max-content-width);
  width: 100%;
  margin: 0 auto;
  padding: 56px 24px 96px;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 64px;
  align-items: start;
  flex: 1;
}

/* ==========================================================================
   SIDEBAR (TABLE OF CONTENTS)
   ========================================================================== */

.legal-sidebar {
  position: sticky;
  top: calc(var(--topbar-height) + 32px);
  max-height: calc(100vh - var(--topbar-height) - 48px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.legal-sidebar::-webkit-scrollbar {
  width: 3px;
}

.legal-sidebar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
}

.legal-sidebar-header {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.legal-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 1px solid var(--border);
}

.legal-toc-item {
  margin: 0;
  padding: 0;
}

.legal-toc-link {
  display: block;
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 12px;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: all 0.15s ease;
}

.legal-toc-link:hover {
  color: var(--text);
}

.legal-toc-link.active {
  color: var(--text);
  font-weight: 600;
  border-left-color: var(--text);
}

.legal-sidebar-companion {
  margin-top: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.legal-sidebar-companion-link {
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.15s ease;
}

.legal-sidebar-companion-link:hover {
  color: var(--text);
}

/* ==========================================================================
   DOCUMENT MAIN CONTENT & ARTICLE
   ========================================================================== */

.legal-main-article {
  max-width: 760px;
  min-width: 0;
}

/* Document Header */
.legal-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.legal-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 46px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
  margin: 0 0 12px 0;
}

.legal-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.legal-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legal-meta-separator {
  color: var(--border-strong);
}

/* Lead Paragraph */
.legal-lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 24px;
}

/* Content Headings & Text */
.legal-section {
  margin-bottom: 48px;
  scroll-margin-top: calc(var(--topbar-height) + 28px);
}

.legal-section-h2 {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 23px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 16px 0;
  padding-top: 24px;
}

p {
  margin: 0 0 16px 0;
  color: var(--text-secondary);
}

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

ul, ol {
  margin: 0 0 20px 0;
  padding-left: 20px;
}

li {
  margin-bottom: 10px;
  color: var(--text-secondary);
}

li strong {
  color: var(--text);
}

code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.5px 5px;
  border-radius: 4px;
}

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

a:hover {
  color: #FFFFFF;
}

/* Editorial Note Block (Clean, unslop, neutral) */
.legal-note {
  margin: 20px 0;
  padding: 14px 18px;
  border-left: 2px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-secondary);
}

.legal-note strong {
  color: var(--text);
}

/* Data Tables (Sub-processors, Retention, Domains) */
.legal-table-wrap {
  margin: 20px 0 24px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.01);
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  line-height: 1.55;
  text-align: left;
}

.legal-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.legal-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: top;
}

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

.legal-table td strong {
  color: var(--text);
}

/* Language Visibility Toggling */
.lang-section-en {
  display: none;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.legal-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: var(--bg-subtle);
  padding: 48px 24px 36px;
}

.legal-footer-inner {
  max-width: var(--max-content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}

.legal-footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.legal-footer-logo-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.legal-footer-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 380px;
  margin: 0;
}

.legal-footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.legal-footer-col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text);
  margin-bottom: 4px;
}

.legal-footer-link {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.legal-footer-link:hover {
  color: var(--text);
  text-decoration: underline;
}

.legal-footer-bottom {
  max-width: var(--max-content-width);
  margin: 36px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */

@media (max-width: 1024px) {
  .legal-layout-container {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 32px 16px 64px;
  }

  .legal-sidebar {
    position: static;
    max-height: none;
    border-bottom: 1px solid var(--border);
    padding-bottom: 20px;
  }

  .legal-toc-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    border-left: none;
    gap: 4px;
  }

  .legal-toc-link {
    border-left: none;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.03);
  }

  .legal-footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 640px) {
  .legal-topbar-inner {
    padding: 0 16px;
  }

  .legal-toc-list {
    grid-template-columns: 1fr;
  }
}