/**
 * MLI V2 Layout & Master Shells CSS (Remediated)
 * Authority: Approved Figma Design System (File Key: JtyaDAEBH10W7OkZGRnXL9)
 * Responsive Contract:
 * - Desktop (>= 1280px): Multi-pane professional research workspace
 * - Tablet (768px - 1024px): Collapse secondary rails before compressing statutory law
 * - Mobile (<= 767px): LAW FIRST. Primary law remains sovereign. AI moves to secondary drawer/sheet.
 */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  line-height: var(--line-height-normal);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-paper-base);
  color: var(--color-text-primary);
  font-family: var(--font-canonical-ui);
  font-size: var(--font-size-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Accessibility: Skip to Content Landmark */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-authority-navy);
  color: #ffffff;
  padding: var(--space-2) var(--space-4);
  z-index: 9999;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: top 0.2s;
}

.skip-to-content:focus {
  top: var(--space-4);
  outline: 2px solid var(--color-focus-ring);
}

/* Accessibility: Visible Focus Rings (WCAG 2.2 AA) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-focus-ring) !important;
  outline-offset: 2px !important;
}

/* Typography Base Elements */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-primary);
  margin-top: 0;
  font-weight: 700;
  line-height: var(--line-height-tight);
}

/* Statutory reading style - Default to high-legibility canonical Inter, with optional serif class */
.statutory-content,
.statutory-title,
.statutory-section {
  font-family: var(--font-canonical-ui);
  line-height: var(--line-height-reading);
}

/* Proposed enhancement (requires design approval) */
.statutory-serif {
  font-family: var(--font-serif-statutory);
}

a {
  color: var(--color-research-blue);
  text-decoration: none;
  transition: color 0.15s ease-in-out;
}

a:hover {
  color: var(--color-research-blue-hover);
  text-decoration: underline;
}

/* ==========================================================================
   SHELL A: PUBLIC / MONTSERRAT LAW HUB
   ========================================================================== */
.public-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.public-header {
  background-color: var(--color-authority-navy);
  color: var(--color-text-on-navy);
  border-bottom: 2px solid var(--color-authority-navy-border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.public-header-inner {
  max-width: var(--layout-max-width-standard);
  margin: 0 auto;
  padding: var(--space-3) var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.brand-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-on-navy);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}

.brand-badge {
  background: #111C2C;
  color: #93C5FD;
  font-size: var(--font-size-badge);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-authority-navy-border);
}

.public-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: nowrap;
}

.public-nav a {
  color: #CBD5E1;
  font-size: var(--font-size-body-sm);
  font-weight: 500;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.public-nav a:hover,
.public-nav a.active {
  color: #FFFFFF;
  text-decoration: none;
  background-color: rgba(255, 255, 255, 0.08);
}

.public-main {
  flex: 1;
  max-width: var(--layout-max-width-standard);
  width: 100%;
  margin: 0 auto;
  padding: var(--space-6) var(--space-6) var(--space-12);
}

.public-footer {
  background-color: #05080E;
  color: var(--color-text-on-navy-muted);
  border-top: 1px solid var(--color-authority-navy-border);
  padding: var(--space-8) var(--space-6);
  font-size: var(--font-size-caption);
}

.public-footer-inner {
  max-width: var(--layout-max-width-standard);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* ==========================================================================
   SHELL B: LEGAL PRO RESEARCH WORKSPACE (PERSISTENT RAIL + CONTEXT BAR + 3-PANE)
   ========================================================================== */
.workspace-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: row;
  background-color: var(--color-paper-base);
  position: relative;
}

/* 1. Persistent Left Application Rail */
.workspace-app-rail {
  width: 240px;
  background-color: var(--color-authority-navy, #090E16);
  border-right: 1px solid var(--color-authority-navy-border, #1E293B);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  height: 100vh;
  position: sticky;
  top: 0;
  z-index: 1100;
  box-sizing: border-box;
}

.app-rail-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 60px;
  box-sizing: border-box;
}

.rail-brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: #FFFFFF;
}

.rail-brand-icon {
  flex-shrink: 0;
}

.rail-brand-logo-img {
  max-height: 24px;
  max-width: 90px;
  object-fit: contain;
}

.rail-brand-text {
  display: flex;
  flex-direction: column;
}

.rail-brand-title {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #FFFFFF;
  line-height: 1.2;
}

.rail-brand-sub {
  font-size: 0.6875rem;
  color: #94A3B8;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.rail-close-btn-mobile {
  display: none;
  background: none;
  border: none;
  color: #94A3B8;
  font-size: 24px;
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
}

.rail-close-btn-mobile:hover {
  color: #FFFFFF;
}

.app-rail-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.app-rail-section-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748B;
  padding: var(--space-2) var(--space-3) var(--space-1);
}

.app-rail-nav {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.app-rail-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: #94A3B8;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s ease-in-out;
  border-left: 3px solid transparent;
}

.app-rail-item:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: #F8FAFC;
  text-decoration: none;
}

.app-rail-item.active,
.app-rail-item[aria-current="page"] {
  background-color: rgba(96, 165, 250, 0.12);
  color: #60A5FA;
  font-weight: 600;
  border-left-color: #60A5FA;
  text-decoration: none;
}

.app-rail-item svg {
  flex-shrink: 0;
}

.rail-alert-badge {
  background: #DC2626;
  color: #FFFFFF;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
  line-height: 1.2;
}

.app-rail-footer {
  padding: var(--space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.2);
}

/* 2. Main Application Wrapper (Top Bar + Workspace Canvas) */
.workspace-main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100vh;
  overflow: hidden;
}

/* Top Context Bar (Where am I & under what context?) */
.workspace-top-bar {
  background-color: var(--color-authority-navy);
  color: var(--color-text-on-navy);
  border-bottom: 2px solid var(--color-authority-navy-border);
  padding: var(--space-2) var(--space-5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 56px;
  box-sizing: border-box;
  z-index: 1000;
  gap: var(--space-3);
}

.context-bar-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  flex: 1;
}

.rail-hamburger-btn {
  display: none;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: var(--touch-target-min);
  align-items: center;
  justify-content: center;
}

.rail-hamburger-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.context-breadcrumb {
  min-width: 0;
}

.breadcrumb-trail {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.breadcrumb-item {
  color: #94A3B8;
  text-decoration: none;
  font-weight: 500;
}

.breadcrumb-item:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.breadcrumb-separator {
  color: #475569;
}

.breadcrumb-current {
  color: #F1F5F9;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 320px;
}

.context-bar-center {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.context-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.jurisdiction-badge {
  background: #0F172A;
  color: #38BDF8;
  border: 1px solid #0284C7;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.ai-credit-meter {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.06);
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* 3. Workspace Container (Grid / Canvas) */
.workspace-container {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 380px;
  grid-template-areas: "filters research authorities";
  flex: 1;
  height: calc(100vh - 56px);
  overflow: hidden;
}

/* Standalone Single-Canvas Layout (e.g. Dashboard, Clients, Alerts, Organization) */
.workspace-container.single-canvas,
.workspace-container.workspace-single-column {
  display: block;
  height: calc(100vh - 56px);
  overflow-y: auto;
  padding: var(--space-6);
  background-color: var(--color-paper-base);
}

.workspace-container.single-canvas .pane-filters,
.workspace-container.workspace-single-column .pane-filters,
.workspace-container.single-canvas .pane-authorities,
.workspace-container.workspace-single-column .pane-authorities {
  display: none !important;
}

.workspace-container.single-canvas .pane-research,
.workspace-container.workspace-single-column .pane-research {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0;
}

/* 3-Pane Architecture */
.pane-filters {
  grid-area: filters;
  width: 280px;
  background-color: #FFFFFF;
  border-right: 1px solid var(--color-paper-border);
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  box-sizing: border-box;
}

.pane-research {
  grid-area: research;
  background-color: var(--color-paper-base);
  overflow-y: auto;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}

.pane-authorities {
  grid-area: authorities;
  width: 380px;
  background-color: var(--color-intel-surface);
  border-left: 1px solid var(--color-paper-border);
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  box-sizing: border-box;
}

/* Mobile Drawers & Controls */
.workspace-mobile-toggles {
  display: none;
  align-items: center;
  gap: var(--space-2);
}

.workspace-drawer-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  min-height: var(--touch-target-min);
  transition: background 0.15s ease-in-out;
}

.workspace-drawer-btn:hover,
.workspace-drawer-btn:focus-visible {
  background: rgba(255, 255, 255, 0.2);
  outline: 2px solid #60A5FA;
}

.drawer-header-mobile {
  display: none;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-paper-border);
  font-weight: 700;
  font-size: 14px;
}

.drawer-close-btn {
  background: none;
  border: none;
  font-size: 22px;
  line-height: 1;
  color: var(--color-text-secondary);
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.drawer-close-btn:hover,
.drawer-close-btn:focus-visible {
  color: #000000;
  background: rgba(0,0,0,0.06);
  outline: 2px solid var(--color-focus-ring);
}

.workspace-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(9, 14, 22, 0.6);
  z-index: 1999;
  display: none;
}

.workspace-backdrop.open {
  display: block;
}

/* ==========================================================================
   SHELL C: OWNER / SAAS ADMINISTRATION
   ========================================================================== */
.admin-shell {
  min-height: 100vh;
  display: flex;
  background-color: #070B11;
  color: #E2E8F0;
}

.admin-sidebar {
  width: 260px;
  background-color: #04060A;
  border-right: 1px solid #162438;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.admin-sidebar-header {
  padding: var(--space-5);
  border-bottom: 1px solid #162438;
}

.admin-nav {
  padding: var(--space-3) 0;
  display: flex;
  flex-direction: column;
}

.admin-nav a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  color: #94A3B8;
  font-size: var(--font-size-body-sm);
  font-weight: 500;
  text-decoration: none;
  border-left: 3px solid transparent;
}

.admin-nav a:hover {
  color: #F8FAFC;
  background-color: rgba(255, 255, 255, 0.04);
}

.admin-nav a.active {
  color: #38BDF8;
  background-color: rgba(56, 189, 248, 0.08);
  border-left-color: #38BDF8;
}

.admin-main {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* ==========================================================================
   RESPONSIVE CONTRACT (TABLET & MOBILE)
   ========================================================================== */

/* ==========================================================================
   RESPONSIVE CONTRACT (TABLET & MOBILE)
   ========================================================================== */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
  .workspace-app-rail {
    width: 68px;
  }

  .app-rail-header {
    padding: var(--space-3);
    justify-content: center;
  }

  .rail-brand-text,
  .app-rail-section-label,
  .app-rail-item span {
    display: none !important;
  }

  .app-rail-item {
    justify-content: center;
    padding: 10px;
  }

  .workspace-mobile-toggles {
    display: flex;
  }

  .workspace-container.single-canvas ~ * .workspace-mobile-toggles,
  .workspace-container.workspace-single-column ~ * .workspace-mobile-toggles {
    display: none !important;
  }

  .drawer-header-mobile {
    display: flex;
  }

  .workspace-container {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    grid-template-areas: "research authorities";
    height: calc(100vh - 56px);
    overflow: hidden;
  }
  
  .pane-filters {
    display: none;
  }

  .pane-filters.drawer-open {
    display: flex !important;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 320px;
    z-index: 2000;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.25);
    background: #FFFFFF;
  }

  .pane-authorities {
    width: 320px;
  }
}

/* Mobile (<= 767px) - LAW FIRST CONTRACT */
@media (max-width: 767px) {
  .public-header-inner {
    padding: var(--space-3) var(--space-4);
    flex-wrap: wrap;
  }

  .mobile-nav-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    padding: 6px;
    border-radius: var(--radius-sm);
  }

  .public-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    padding-top: var(--space-3);
    gap: var(--space-2);
  }

  .public-nav.open {
    display: flex !important;
  }

  .workspace-header .public-nav {
    display: none !important;
  }

  /* Mobile Application Rail: Off-canvas drawer */
  .workspace-shell {
    flex-direction: column;
  }

  .rail-hamburger-btn {
    display: inline-flex !important;
  }

  .workspace-app-rail {
    position: fixed;
    top: 0;
    left: -280px;
    bottom: 0;
    width: 260px;
    z-index: 2500;
    transition: left 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: none;
  }

  .workspace-app-rail.drawer-open {
    left: 0 !important;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.5);
  }

  .rail-close-btn-mobile {
    display: block !important;
  }

  .rail-brand-text,
  .app-rail-section-label,
  .app-rail-item span {
    display: inline !important;
  }

  .app-rail-item {
    justify-content: flex-start;
    padding: 10px 14px;
  }

  .workspace-main-wrapper {
    height: auto;
    overflow: visible;
  }

  .workspace-top-bar {
    padding: var(--space-2) var(--space-3);
    gap: var(--space-2);
    min-height: 52px;
  }

  .context-bar-left {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
  }

  .context-breadcrumb {
    display: none !important;
  }

  .context-bar-center {
    display: none !important;
  }

  .context-bar-right {
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: flex-end;
    flex: 0 0 auto;
  }

  .workspace-mobile-toggles {
    display: flex !important;
    align-items: center;
    gap: 4px;
  }

  .workspace-drawer-btn {
    padding: 3px 7px;
    font-size: 11px;
    gap: 4px;
    min-height: 28px;
    white-space: nowrap;
  }

  .ai-credit-meter {
    padding: 3px 6px;
    font-size: 11px;
    white-space: nowrap;
  }

  .ai-credit-meter .credit-label,
  .ai-credit-meter .brand-badge {
    display: none !important;
  }

  .identity-name,
  .identity-role-badge,
  .identity-scope-pill {
    display: none !important;
  }

  .identity-summary-btn {
    padding: 3px 6px;
    gap: 4px;
  }

  .workspace-container {
    display: flex;
    flex-direction: column;
    height: auto;
    overflow: visible;
  }

  .pane-filters {
    order: 3;
    display: none;
  }

  .pane-filters.drawer-open {
    display: flex !important;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 85%;
    max-width: 340px;
    z-index: 2000;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.35);
    background: #FFFFFF;
  }

  .pane-research {
    padding: var(--space-4);
    max-width: 100%;
    width: 100%;
    order: 1; /* Law First */
  }

  .pane-authorities {
    width: 100%;
    order: 2; /* Subordinated beneath primary research in mobile DOM */
    border-left: 0;
    border-top: 1px solid var(--color-paper-border);
  }

  .pane-authorities.drawer-open {
    display: flex !important;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 88%;
    max-width: 380px;
    z-index: 2000;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.35);
    background: var(--color-intel-surface);
  }

  .admin-shell {
    flex-direction: column;
  }

  .admin-sidebar {
    width: 100%;
    border-right: 0;
    border-bottom: 1px solid #162438;
  }

  .admin-main {
    padding: var(--space-4);
  }
}

/* ==========================================================================
   PRINT CONTRACT (AUDIT & RESEARCH RECORD)
   ========================================================================== */
@media print {
  body {
    background-color: #FFFFFF !important;
    color: #000000 !important;
  }

  .public-header, .workspace-header, nav, footer, .noprint, button, .intelligence-action,
  .workspace-app-rail, .workspace-top-bar, .context-bar-left, .context-bar-right,
  .workspace-mobile-toggles, .pane-filters, .pane-authorities {
    display: none !important;
  }

  .workspace-shell, .workspace-main-wrapper, .workspace-container {
    display: block !important;
    height: auto !important;
    overflow: visible !important;
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    background: #FFFFFF !important;
  }

  .public-main, .pane-research {
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  .statutory-content, .card, .record-document-sheet {
    border: none !important;
    box-shadow: none !important;
    background: #FFFFFF !important;
    color: #000000 !important;
    page-break-inside: avoid;
    padding: 0 !important;
    margin: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .research-record-viewport {
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }
}