/* ===== Theme: Light (default) ===== */
:root {
  --bg-primary: #FAF8F5;
  --bg-card: #FFFFFF;
  --bg-sidebar: #FFFFFF;
  --bg-sidebar-header: #FAF8F5;
  --text-primary: #2C3E50;
  --text-secondary: #5A6478;
  --text-heading: #1A365D;
  --text-sidebar: #2C3E50;
  --text-sidebar-brand: #1A365D;
  --text-sidebar-subtitle: #2C3E50;
  --border-light: #E2E8F0;
  --border-card: #E5E7EB;
  --border-sidebar: #E5E7EB;
  --accent-amber: #C97B2D;
  --accent-green: #2D5A4E;
  --accent-red: #B91C1C;
  --accent-navy: #1A365D;
  --bg-code: #F3F4F6;
  --bg-hover: #F9FAFB;
  --bg-nav-active: rgba(26, 54, 93, 0.10);
  --text-nav-active: #1A365D;
  --text-nav-link: #2C3E50;
  --bg-flash-success: #F0FDF4;
  --border-flash-success: #2D5A4E;
  --text-flash-success: #2D5A4E;
  --bg-flash-error: #FEF2F2;
  --border-flash-error: #B91C1C;
  --text-flash-error: #B91C1C;
  --bg-main: #FFFFFF;
  --connector-color: #D1D5DB;
  --chain-border: #E5E7EB;
  --chain-detail-border: #F3F4F6;

  /* Original brand references */
  --navy: #1A365D;
  --amber: #C97B2D;
  --forest: #2D5A4E;
  --charcoal: #2C3E50;
  --warm-white: #FAF8F5;
  --muted-red: #B91C1C;
}

/* ===== Theme: Dark ===== */
[data-theme="dark"] {
  --bg-primary: #0F172A;
  --bg-card: #1E293B;
  --bg-sidebar: #0D1424;
  --bg-sidebar-header: #0D1424;
  --text-primary: #E2E8F0;
  --text-secondary: #94A3B8;
  --text-heading: #F1F5F9;
  --text-sidebar: #CBD5E1;
  --text-sidebar-brand: #F1F5F9;
  --text-sidebar-subtitle: #94A3B8;
  --border-light: #334155;
  --border-card: #334155;
  --border-sidebar: #1E293B;
  --accent-amber: #D4943A;
  --accent-green: #3D7A6A;
  --accent-red: #DC2626;
  --accent-navy: #60A5FA;
  --bg-code: #1E293B;
  --bg-hover: #1E293B;
  --bg-nav-active: rgba(96, 165, 250, 0.12);
  --text-nav-active: #60A5FA;
  --text-nav-link: #CBD5E1;
  --bg-flash-success: rgba(45, 90, 78, 0.15);
  --border-flash-success: #3D7A6A;
  --text-flash-success: #6EE7B7;
  --bg-flash-error: rgba(185, 28, 28, 0.15);
  --border-flash-error: #DC2626;
  --text-flash-error: #FCA5A5;
  --bg-main: #0F172A;
  --connector-color: #475569;
  --chain-border: #334155;
  --chain-detail-border: #334155;
}

/* ===== Sidebar ===== */
.sidebar {
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-sidebar);
}

.sidebar-header {
  border-bottom: 1px solid var(--border-light);
}

.sidebar-brand {
  color: var(--text-sidebar-brand);
}

.sidebar-subtitle {
  color: var(--text-sidebar-subtitle);
}

.sidebar-footer {
  border-top: 1px solid var(--border-light);
}

.sidebar-user-name {
  color: var(--text-primary);
}

.sidebar-logout-link {
  color: var(--text-secondary);
}
.sidebar-logout-link:hover {
  color: var(--accent-red);
}

.sidebar-divider {
  border-top: 1px solid var(--border-light);
}

.sidebar-admin-label {
  color: var(--text-secondary);
}

.sidebar-admin-link {
  color: var(--text-secondary);
}
.sidebar-admin-link:hover {
  background: var(--bg-hover);
}

/* ===== Main content ===== */
.main-content {
  background: var(--bg-main);
}

/* ===== Flash messages ===== */
.flash-success {
  background: var(--bg-flash-success);
  border-left: 4px solid var(--border-flash-success);
  color: var(--text-flash-success);
}

.flash-error {
  background: var(--bg-flash-error);
  border-left: 4px solid var(--border-flash-error);
  color: var(--text-flash-error);
}

/* ===== Navigation Links ===== */
.nav-link {
  color: var(--text-nav-link);
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-link:hover {
  background: var(--bg-hover);
}

.nav-link--active {
  background: var(--bg-nav-active);
  color: var(--text-nav-active);
  font-weight: 600;
  border-right: 2px solid var(--text-nav-active);
}

.nav-icon {
  display: inline-block;
  width: 1.25em;
  text-align: center;
  margin-right: 0.5em;
  font-size: 1em;
}

/* ===== Theme Toggle ===== */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  transition: border-color 0.2s;
}
.theme-toggle:hover {
  border-color: var(--accent-amber);
}

/* ===== Governance tier badges ===== */
.tier-1 { background: var(--accent-green); color: white; }
.tier-2 { background: var(--accent-navy); color: white; }
.tier-3 { background: var(--accent-amber); color: white; }
.tier-4 { background: var(--accent-red); color: white; }

/* Verification status badges */
.status-verified { color: var(--accent-green); }
.status-stale { color: var(--accent-amber); }
.status-broken { color: var(--accent-red); }
.status-unchecked { color: #9CA3AF; }

/* Serial/hash monospace typography */
.mono {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85em;
}

/* ── Verification Chain Tree ── */

.chain-tree {
  position: relative;
}

.chain-node {
  position: relative;
  padding-top: 8px;
}

.chain-node:first-child {
  padding-top: 0;
}

.chain-connector {
  position: absolute;
  top: 0;
  left: -16px;
  width: 16px;
  height: 24px;
  border-left: 2px solid var(--connector-color);
  border-bottom: 2px solid var(--connector-color);
  border-bottom-left-radius: 6px;
}

.chain-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  padding: 0;
  transition: box-shadow 0.15s ease, background-color 0.15s ease;
  overflow: hidden;
}

.chain-card:hover {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.chain-card-highlight {
  box-shadow: 0 0 0 2px var(--accent-navy), 0 2px 8px rgba(26, 54, 93, 0.12);
}

.chain-summary {
  display: flex;
  align-items: center;
  padding: 16px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.chain-summary::-webkit-details-marker {
  display: none;
}

.chain-summary::marker {
  display: none;
  content: '';
}

details.chain-card[open] .chain-toggle {
  transform: rotate(90deg);
}

.chain-toggle {
  transition: transform 0.15s ease;
  font-size: 10px;
}

.chain-detail {
  padding: 0 16px 16px 16px;
  border-top: 1px solid var(--chain-detail-border);
  padding-top: 12px;
}

.chain-children {
  position: relative;
  padding-left: 16px;
  border-left: 2px solid var(--chain-border);
  margin-left: 20px;
  margin-top: 4px;
}

/* ── Page Loading Bar ── */

.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--accent-navy);
  z-index: 9999;
  animation: pageLoad 0.8s ease-out forwards;
}

@keyframes pageLoad {
  from { width: 0; }
  to { width: 100%; }
}

.page-loader--done {
  opacity: 0;
  transition: opacity 0.3s ease 0.2s;
}

/* ── Left-column Submenu Navigation ── */

.nav-group-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.nav-sublink {
  padding-left: 1.75rem !important;
  padding-right: 1.5rem !important;
  border-left: 2px solid transparent !important;
  margin-left: 0.75rem !important;
  color: var(--text-nav-link);
}

.nav-sublink:hover {
  background: var(--bg-hover);
}

.nav-sublink--active {
  font-weight: 600;
}

.nav-sublink--amber {
  border-left-color: var(--accent-amber) !important;
  background: rgba(201, 123, 45, 0.08);
  color: var(--accent-amber);
}

[data-theme="dark"] .nav-sublink--amber {
  background: rgba(212, 148, 58, 0.12);
}

.nav-sublink--navy {
  border-left-color: var(--accent-navy) !important;
  background: rgba(26, 54, 93, 0.08);
  color: var(--accent-navy);
}

[data-theme="dark"] .nav-sublink--navy {
  background: rgba(96, 165, 250, 0.12);
}

.nav-sublink--forest {
  border-left-color: var(--accent-green) !important;
  background: rgba(45, 90, 78, 0.08);
  color: var(--accent-green);
}

[data-theme="dark"] .nav-sublink--forest {
  background: rgba(61, 122, 106, 0.12);
}

.nav-sublink--gray {
  border-left-color: #9CA3AF !important;
  background: rgba(156, 163, 175, 0.08);
  color: var(--text-primary);
}

/* ── Mobile responsiveness ── */
@media (max-width: 640px) {
  .chain-node {
    margin-left: 0 !important;
  }

  .chain-children {
    margin-left: 8px;
    padding-left: 8px;
  }

  .chain-connector {
    display: none;
  }

  .chain-summary {
    padding: 12px;
  }

  .chain-detail {
    padding: 0 12px 12px 12px;
  }
}

/* ===== Widget Dark Mode — ARI Widget ===== */
.ari-widget[data-theme="dark"] {
  --ari-color-bg:               #0F172A;
  --ari-color-surface:          #1E293B;
  --ari-color-surface-2:        #334155;
  --ari-color-surface-offset:   #475569;
  --ari-color-divider:          #475569;
  --ari-color-border:           #64748B;
  --ari-color-text:             #E2E8F0;
  --ari-color-text-muted:       #94A3B8;
  --ari-color-text-faint:       #64748B;
  --ari-color-text-inverse:     #0F172A;
  --ari-color-primary:          #2DD4BF;
  --ari-color-primary-hover:    #14B8A6;
  --ari-color-primary-active:   #0D9488;
  --ari-color-primary-highlight: rgba(45, 212, 191, 0.10);
  --ari-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --ari-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25);
  --ari-shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.3);
}

/* ===== Global Dark Mode — Tailwind Utility Overrides ===== */

/* Backgrounds */
[data-theme="dark"] .bg-white { background-color: var(--bg-card) !important; }
[data-theme="dark"] .bg-warm-white { background-color: var(--bg-primary) !important; }
[data-theme="dark"] .bg-gray-50 { background-color: var(--bg-card) !important; }
[data-theme="dark"] .bg-gray-100 { background-color: #334155 !important; }
[data-theme="dark"] .bg-gray-200 { background-color: #334155 !important; }

/* Text — brand colors */
[data-theme="dark"] .text-navy { color: var(--accent-navy) !important; }
[data-theme="dark"] .text-charcoal { color: var(--text-primary) !important; }
[data-theme="dark"] .text-charcoal\/60 { color: var(--text-secondary) !important; }
[data-theme="dark"] .text-charcoal\/50 { color: var(--text-secondary) !important; }
[data-theme="dark"] .text-charcoal\/40 { color: #64748B !important; }
[data-theme="dark"] .text-charcoal\/70 { color: var(--text-primary) !important; }

/* Text — gray scale */
[data-theme="dark"] .text-gray-400 { color: #64748B !important; }
[data-theme="dark"] .text-gray-500 { color: var(--text-secondary) !important; }
[data-theme="dark"] .text-gray-600 { color: var(--text-secondary) !important; }

/* Text — status colors */
[data-theme="dark"] .text-green-600 { color: #6EE7B7 !important; }
[data-theme="dark"] .text-green-700 { color: #6EE7B7 !important; }
[data-theme="dark"] .text-red-600 { color: #FCA5A5 !important; }

/* Borders */
[data-theme="dark"] .border-gray-100 { border-color: var(--border-light) !important; }
[data-theme="dark"] .border-gray-200 { border-color: var(--border-card) !important; }
[data-theme="dark"] .border-gray-300 { border-color: var(--border-card) !important; }
[data-theme="dark"] .border-red-200 { border-color: #DC2626 !important; }
[data-theme="dark"] .border-amber { border-color: var(--accent-amber) !important; }

/* Status badges — dark variants */
[data-theme="dark"] .bg-green-100 { background-color: rgba(45, 90, 78, 0.2) !important; }
[data-theme="dark"] .bg-green-50 { background-color: rgba(45, 90, 78, 0.15) !important; }
[data-theme="dark"] .bg-yellow-100 { background-color: rgba(201, 123, 45, 0.2) !important; }
[data-theme="dark"] .text-yellow-700 { color: #FCD34D !important; }
[data-theme="dark"] .bg-amber-50 { background-color: rgba(201, 123, 45, 0.15) !important; }
[data-theme="dark"] .text-amber-700 { color: #FCD34D !important; }
[data-theme="dark"] .bg-red-50 { background-color: rgba(185, 28, 28, 0.15) !important; }
[data-theme="dark"] .text-red-700 { color: #FCA5A5 !important; }

/* Hover states */
[data-theme="dark"] .hover\:bg-gray-50:hover { background-color: var(--bg-hover) !important; }
[data-theme="dark"] .hover\:text-navy:hover { color: var(--accent-navy) !important; }

/* Divider backgrounds */
[data-theme="dark"] .bg-gray-300 { background-color: #475569 !important; }

/* ── Heartbeat Telemetry Cards (inline style overrides) ── */
.telemetry-grid > div {
  background: var(--bg-card);
  border-color: var(--border-card);
}
[data-theme="dark"] .telemetry-grid > div {
  background: var(--bg-card) !important;
  border-color: var(--border-card) !important;
}
[data-theme="dark"] .telemetry-grid .tl-label { color: var(--text-primary) !important; }
[data-theme="dark"] .telemetry-grid .tl-value { color: var(--accent-navy) !important; }
[data-theme="dark"] .telemetry-grid .tl-sub { color: var(--text-secondary) !important; }
[data-theme="dark"] .telemetry-grid .tl-sub span { color: var(--text-primary) !important; }

/* Bar chart panels */
[data-theme="dark"] .bar-panel {
  background: var(--bg-card) !important;
  border-color: var(--border-card) !important;
}
[data-theme="dark"] .bar-panel .bar-title { color: var(--text-secondary) !important; }
[data-theme="dark"] .bar-panel .bar-label { color: var(--text-primary) !important; }
[data-theme="dark"] .bar-panel .bar-track { background: #334155 !important; }
[data-theme="dark"] .bar-panel .bar-count { color: var(--accent-navy) !important; }

/* Drift narrative callout */
.drift-callout {
  background: #FFFBEB;
  border-left: 4px solid var(--accent-amber);
  border-radius: 4px;
  padding: 1.25rem 1.5rem;
}
[data-theme="dark"] .drift-callout {
  background: rgba(201, 123, 45, 0.1) !important;
  border-left-color: var(--accent-amber) !important;
}

/* ── Document Detail Content Boxes (inline style overrides) ── */
[data-theme="dark"] .doc-content-box {
  background: var(--bg-card) !important;
  border-color: var(--border-card) !important;
}
[data-theme="dark"] .doc-content-box p,
[data-theme="dark"] .doc-content-box div { color: var(--text-primary) !important; }
[data-theme="dark"] .doc-content-box a {
  background: var(--accent-navy) !important;
  color: white !important;
}
[data-theme="dark"] .doc-content-box h3 { color: var(--accent-navy) !important; }

/* ── Standalone Pages Dark Mode ── */
[data-theme="dark"] .standalone-page { background-color: #0F172A !important; }
[data-theme="dark"] .standalone-card {
  background-color: #1E293B !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3) !important;
}
[data-theme="dark"] .standalone-card input {
  background-color: #334155 !important;
  border-color: #475569 !important;
  color: #E2E8F0 !important;
}
[data-theme="dark"] .standalone-card label { color: #CBD5E1 !important; }

/* ===== Widget Dark Mode — Survey Widget ===== */
.survey-widget[data-theme="dark"] {
  --survey-color-bg:               #0F172A;
  --survey-color-surface:          #1E293B;
  --survey-color-surface-2:        #334155;
  --survey-color-surface-offset:   #475569;
  --survey-color-surface-offset-2: #64748B;
  --survey-color-surface-dynamic:  #475569;
  --survey-color-divider:          #475569;
  --survey-color-border:           #64748B;
  --survey-color-text:             #E2E8F0;
  --survey-color-text-muted:       #94A3B8;
  --survey-color-text-faint:       #64748B;
  --survey-color-text-inverse:     #0F172A;
  --survey-color-primary:          #34D1BF;
  --survey-color-primary-hover:    #26B5A6;
  --survey-color-primary-active:   #1A998C;
  --survey-color-primary-highlight: rgba(52, 209, 191, 0.12);
  --survey-color-success:          #4ADE80;
  --survey-color-success-highlight: rgba(74, 222, 128, 0.12);
  --survey-color-warning:          #FBBF24;
  --survey-color-warning-highlight: rgba(251, 191, 36, 0.12);
  --survey-color-error:            #F87171;
  --survey-color-error-highlight:  rgba(248, 113, 113, 0.12);
  --survey-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --survey-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25);
  --survey-shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.3);
}

/* ===== Neumorphic Design System (Session 1) ===== */

:root {
  --neu-bg: #FAF8F5;
  --neu-navy: #1A365D;
  --neu-ch: #2C3E50;
  --neu-muted: #6B7B8D;
  --neu-faint: #8A96A3;
  --neu-amber: #C97B2D;
  --neu-green: #2D5A4E;
  --neu-red: #B91C1C;
  --neu-sl: rgba(255,255,255,0.85);
  --neu-sd: rgba(166,158,143,0.35);
  --neu-il: rgba(255,255,255,0.6);
  --neu-id: rgba(166,158,143,0.25);
}

[data-theme="dark"] {
  --neu-bg: #1E1D1B;
  --neu-navy: #A8C4E0;
  --neu-ch: #C2BFB3;
  --neu-muted: #A09B91;
  --neu-faint: #847F76;
  --neu-amber: #E0A54D;
  --neu-green: #6BC4A0;
  --neu-red: #F09595;
  --neu-sl: rgba(255,255,255,0.06);
  --neu-sd: rgba(0,0,0,0.45);
  --neu-il: rgba(255,255,255,0.04);
  --neu-id: rgba(0,0,0,0.35);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    --neu-bg: #1E1D1B;
    --neu-navy: #A8C4E0;
    --neu-ch: #C2BFB3;
    --neu-muted: #A09B91;
    --neu-faint: #847F76;
    --neu-amber: #E0A54D;
    --neu-green: #6BC4A0;
    --neu-red: #F09595;
    --neu-sl: rgba(255,255,255,0.06);
    --neu-sd: rgba(0,0,0,0.45);
    --neu-il: rgba(255,255,255,0.04);
    --neu-id: rgba(0,0,0,0.35);
  }
}

/* Large raised card */
.neu {
  background: var(--neu-bg);
  box-shadow: 6px 6px 14px var(--neu-sd), -6px -6px 14px var(--neu-sl);
  border-radius: 16px;
  border: none;
}

/* Medium raised card */
.neu-sm {
  background: var(--neu-bg);
  box-shadow: 4px 4px 8px var(--neu-sd), -4px -4px 8px var(--neu-sl);
  border-radius: 12px;
  border: none;
}

/* Inset container */
.neu-in {
  background: var(--neu-bg);
  box-shadow: inset 3px 3px 6px var(--neu-id), inset -3px -3px 6px var(--neu-il);
  border-radius: 12px;
  border: none;
}

/* Small raised flat */
.neu-f {
  background: var(--neu-bg);
  box-shadow: 3px 3px 6px var(--neu-sd), -3px -3px 6px var(--neu-sl);
  border-radius: 10px;
  border: none;
}

/* Pressed pill/tag */
.neu-p {
  background: var(--neu-bg);
  box-shadow: inset 2px 2px 4px var(--neu-id), inset -2px -2px 4px var(--neu-il);
  border-radius: 8px;
  border: none;
}

/* Section labels */
.neu-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--neu-muted);
  font-weight: 600;
}

/* Tier badge pills */
.tier-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  font-family: 'IBM Plex Mono', monospace;
}
.tier-badge--1 { background: var(--neu-green); color: #fff; }
.tier-badge--2 { background: var(--neu-navy); color: #fff; }
.tier-badge--3a { background: var(--neu-amber); color: #fff; }
.tier-badge--4 { background: var(--neu-red); color: #fff; }
.tier-badge--registered { background: transparent; color: #2C3E50; border: 1px solid #2C3E50; }
.tier-badge--unknown { background: #9CA3AF; color: #fff; }

/* Verification dots */
.v-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.v-dot--valid { background: var(--neu-green); }
.v-dot--stale { background: var(--neu-amber); }
.v-dot--broken { background: var(--neu-red); }
.v-dot--off { background: #9CA3AF; }

/* Bar inset */
.neu-bar {
  background: var(--neu-bg);
  box-shadow: inset 2px 2px 4px var(--neu-id), inset -2px -2px 4px var(--neu-il);
  border-radius: 6px;
  border: none;
}

/* ===== Identity Document Viewer (Session 2) ===== */

.identity-viewer {
  display: grid;
  grid-template-columns: 180px 1fr 180px;
  min-height: calc(100vh - 120px);
  gap: 0;
  margin: -2rem;
}

.chain-sidebar {
  padding: 16px 10px;
  box-shadow: inset -3px 0 6px var(--neu-id);
  overflow-y: auto;
  background: var(--neu-bg);
  min-width: 0;
}

.doc-reader {
  padding: 1.5rem 2rem;
  overflow-y: auto;
  max-height: calc(100vh - 120px);
  background: var(--neu-bg);
  min-width: 0;
}

.meta-sidebar {
  padding: 16px 10px;
  box-shadow: inset 3px 0 6px var(--neu-id);
  overflow-y: auto;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  background: var(--neu-bg);
  min-width: 0;
}

/* Chain sidebar tree items */
.chain-item {
  display: block;
  padding: 6px 8px;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  color: var(--neu-ch);
  transition: box-shadow 0.15s ease;
  margin-bottom: 2px;
}
.chain-item:hover {
  box-shadow: 3px 3px 6px var(--neu-sd), -3px -3px 6px var(--neu-sl);
}
.chain-item--active {
  box-shadow: inset 2px 2px 4px var(--neu-id), inset -2px -2px 4px var(--neu-il);
}
.chain-item--passport {
  border-left: 2px solid var(--neu-amber);
  border-radius: 0 8px 8px 0;
}

.chain-item__type {
  font-size: 10px;
  font-family: 'IBM Plex Mono', monospace;
  text-transform: uppercase;
  color: var(--neu-faint);
  letter-spacing: 0.05em;
}
.chain-item__name {
  font-size: 11px;
  font-weight: 500;
  color: var(--neu-navy);
  line-height: 1.3;
}
.chain-item__serial {
  font-size: 10px;
  font-family: 'IBM Plex Mono', monospace;
  color: var(--neu-faint);
}

/* Heartbeat compact pills */
.hb-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding-left: 12px;
  margin-top: 2px;
  margin-bottom: 4px;
}
.hb-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 9px;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  text-decoration: none;
  color: var(--neu-ch);
  background: var(--neu-bg);
  box-shadow: 2px 2px 4px var(--neu-sd), -2px -2px 4px var(--neu-sl);
  transition: box-shadow 0.15s ease;
}
.hb-pill:hover {
  box-shadow: 3px 3px 6px var(--neu-sd), -3px -3px 6px var(--neu-sl);
}
.hb-pill--active {
  box-shadow: inset 2px 2px 4px var(--neu-id), inset -2px -2px 4px var(--neu-il);
}
.hb-pill--current {
  color: var(--neu-green);
  font-weight: 600;
}

/* Document reader prose */
.doc-reader h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--neu-navy);
  margin-bottom: 4px;
}
.doc-reader h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--neu-navy);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}
.doc-reader p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--neu-ch);
  margin-bottom: 0.75rem;
}
.doc-reader .pre-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--neu-muted);
  font-weight: 600;
  margin-bottom: 4px;
}
.doc-reader .doc-serial {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--neu-amber);
  margin-bottom: 1.5rem;
}

/* Principle blocks */
.principle {
  padding: 12px 16px;
  margin-bottom: 10px;
}
.principle__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--neu-muted);
  font-weight: 600;
  margin-bottom: 4px;
}
.principle__value {
  font-size: 13px;
  color: var(--neu-ch);
  line-height: 1.5;
}
.principle__score {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 600;
  font-size: 14px;
}
.principle__score--green { color: var(--neu-green); }
.principle__score--amber { color: var(--neu-amber); }
.principle__score--red { color: var(--neu-red); }

/* Meta sidebar fields */
.meta-field {
  margin-bottom: 14px;
}
.meta-field__label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--neu-muted);
  font-weight: 600;
  margin-bottom: 3px;
}
.meta-field__value {
  font-size: 11px;
  color: var(--neu-ch);
  word-break: break-all;
}
.meta-field__value--status {
  font-weight: 600;
}
.meta-field__value--green { color: var(--neu-green); }
.meta-field__value--amber { color: var(--neu-amber); }
.meta-field__value--red { color: var(--neu-red); }
.meta-field__value--serial {
  color: var(--neu-amber);
}
.meta-field__link {
  color: var(--neu-navy);
  text-decoration: none;
  font-size: 10px;
}
.meta-field__link:hover {
  text-decoration: underline;
}

/* Verify button */
.verify-btn {
  display: inline-block;
  padding: 6px 14px;
  font-size: 11px;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  color: var(--neu-green);
  cursor: pointer;
  transition: box-shadow 0.15s ease;
}
.verify-btn:hover {
  box-shadow: 4px 4px 8px var(--neu-sd), -4px -4px 8px var(--neu-sl);
}

/* Hash spec code block */
.hash-spec-block {
  font-size: 10px;
  font-family: 'IBM Plex Mono', monospace;
  color: var(--neu-muted);
  padding: 8px 10px;
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.5;
}

/* Integrity summary */
.integrity-summary {
  padding: 10px 8px;
  margin-top: 16px;
  font-size: 11px;
}
.integrity-summary__status {
  font-weight: 700;
  font-size: 12px;
}

/* Indentation for tree levels */
.chain-indent-1 { padding-left: 12px; }
.chain-indent-2 { padding-left: 24px; }
.chain-indent-3 { padding-left: 36px; }

/* ===== Passport Page (Session 3) ===== */

.passport-page {
  max-width: 820px;
  margin: 0 auto;
}

/* Domain collapsible bars */
.passport-domain-bar {
  padding: 10px 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: box-shadow 0.2s ease;
  user-select: none;
}
.passport-domain-bar.open {
  box-shadow: inset 3px 3px 6px var(--neu-id), inset -3px -3px 6px var(--neu-il);
  border-radius: 12px 12px 0 0;
}
.passport-domain-bar.open .passport-chevron {
  transform: rotate(90deg);
}

/* Domain credential tray */
.passport-domain-tray {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  border-radius: 0 0 12px 12px;
}
.passport-domain-tray.open {
  max-height: 600px;
}

/* ===== Agent Profile (Session 4) ===== */

.agent-profile .neu-sm:hover {
  box-shadow: 5px 5px 10px var(--neu-sd), -5px -5px 10px var(--neu-sl);
}

/* Fleet card hover lift */
a.neu-sm {
  transition: box-shadow 0.2s ease, transform 0.15s ease;
}
a.neu-sm:hover {
  box-shadow: 5px 5px 10px var(--neu-sd), -5px -5px 10px var(--neu-sl);
  transform: translateY(-1px);
}

/* Axis row hover */
.axis-row:hover {
  background: var(--neu-bg);
  border-radius: 6px;
}

/* Evolution timeline spacing */
.evo-timeline {
  padding-left: 4px;
}

/* Responsive: stack 4-col grid on narrow */
@media (max-width: 768px) {
  .agent-profile [style*="grid-template-columns: repeat(4"] {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .agent-profile [style*="grid-template-columns: repeat(5"] {
    grid-template-columns: repeat(3, 1fr) !important;
  }
  .agent-profile [style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
}

/* ===================================================================
   IDENTITY CARD — agent profile hero card
   =================================================================== */
.identity-card {
  overflow: hidden;
}

.identity-card__hero {
  background: var(--accent-navy, #1A365D);
  padding: 2rem;
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  position: relative;
}

.identity-card__avatar-wrap {
  position: relative;
  flex: 0 0 140px;
  width: 140px;
  text-align: center;
  overflow: visible;
}

.identity-card__avatar {
  width: 120px;
  height: 120px;
  min-width: 120px;
  min-height: 120px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 3px solid #C97B2D;
  display: block;
  margin: 0 auto;
  flex-shrink: 0;
}

.identity-card__avatar--registered {
  border: 3px dashed #2C3E50;
}

.identity-card__avatar-fallback {
  width: 120px;
  height: 120px;
  min-width: 120px;
  min-height: 120px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  flex-shrink: 0;
  overflow: hidden;
}

.identity-card__verified {
  position: absolute;
  bottom: 26px;
  right: 10px;
  width: 22px;
  height: 22px;
  background: #22c55e;
  border-radius: 50%;
  border: 2.5px solid #1A365D;
  display: flex;
  align-items: center;
  justify-content: center;
}

.identity-card__info {
  flex: 1;
  min-width: 0;
}

.identity-card__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.45);
  font-weight: 600;
}

.identity-card__name {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-top: 4px;
  line-height: 1.15;
}

.identity-card__role {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 4px;
}

.identity-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.identity-card__archetype {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* Section B — On-chain */
.identity-card__onchain {
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--neu-id, rgba(166,158,143,0.25));
}

.identity-card__onchain-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--neu-muted);
  margin-bottom: 10px;
}

.identity-card__onchain-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.identity-card__onchain-field-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--neu-muted);
  margin-bottom: 2px;
}

.identity-card__onchain-value {
  font-size: 13px;
  font-family: 'IBM Plex Mono', monospace;
}

/* Section C — Credential strip (3-column) */
.identity-card__credentials {
  padding: 1.5rem 2rem;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  border-bottom: 1px solid var(--neu-id, rgba(166,158,143,0.25));
}

.identity-card__cred-refs {
  flex: 1;
  min-width: 0;
}

.identity-card__cred-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--neu-muted);
}

.identity-card__cred-serial {
  font-size: 14px;
  font-family: 'IBM Plex Mono', monospace;
  color: var(--neu-amber);
  font-weight: 500;
}

.identity-card__cred-sub {
  font-size: 11px;
  color: var(--neu-muted);
  margin-top: 2px;
}

.identity-card__chain-status {
  flex: 0 0 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  text-align: center;
}

.identity-card__chain-count {
  font-size: 28px;
  font-weight: 700;
  font-family: 'IBM Plex Mono', monospace;
}

.identity-card__hero-metric {
  flex: 0 0 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  text-align: center;
}

.identity-card__score {
  font-size: 48px;
  font-weight: 800;
  font-family: 'IBM Plex Mono', monospace;
  line-height: 1;
}

.identity-card__drift {
  font-size: 13px;
  font-weight: 600;
  margin-top: 4px;
}

/* Section D — Chain strip */
.identity-card__chain-strip {
  padding: 0.9rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===================================================================
   FLEET CARD — horizontal agent card for /agents list
   =================================================================== */
.fleet-card {
  display: flex;
  align-items: flex-start;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.18s ease;
}

.fleet-card:hover {
  box-shadow: 8px 8px 18px var(--neu-sd), -8px -8px 18px var(--neu-sl);
}

.fleet-card__avatar-wrap {
  flex: 0 0 80px;
  padding: 1rem 0.5rem 1rem 1rem;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  position: relative;
}

.fleet-card__avatar {
  width: 56px;
  height: 56px;
  min-width: 56px;
  min-height: 56px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 2.5px solid #C97B2D;
  display: block;
  flex-shrink: 0;
}

.fleet-card__avatar--registered {
  border: 2px dashed #2C3E50;
}

.fleet-card__avatar-fallback {
  width: 56px;
  height: 56px;
  min-width: 56px;
  min-height: 56px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.fleet-card__verified {
  position: absolute;
  bottom: 12px;
  right: 2px;
  width: 14px;
  height: 14px;
  background: #22c55e;
  border-radius: 50%;
  border: 2px solid var(--neu-bg, #FAF8F5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.fleet-card__body {
  flex: 1;
  padding: 1rem 1rem 1rem 0.5rem;
  min-width: 0;
}

.fleet-card__header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 3px;
}

.fleet-card__name {
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fleet-card__role {
  font-size: 12px;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fleet-card__metrics {
  font-size: 13px;
  margin-top: 7px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.fleet-card__metrics .score {
  font-weight: 700;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 15px;
}

.fleet-card__bottom {
  font-size: 11px;
  color: var(--neu-muted);
  margin-top: 7px;
  display: flex;
  gap: 10px;
  align-items: center;
}

.fleet-card__serial {
  font-family: 'IBM Plex Mono', monospace;
  color: var(--neu-amber);
}