/*
 * EKO Admin UI V2 — Design System
 * Phase 20: Admin UI V2
 *
 * Three-color palette derived from v1 reference screenshots:
 *   Primary:   #00d4b5  (teal-green — nav active, ok status, action highlights)
 *   Secondary: #f97316  (orange    — mode badges, destructive actions, warnings)
 *   Neutral:   Dark/light surface family
 *
 * Visual language: refined, minimal, data-dense, authoritative.
 * Tone: financial terminal meets modern governance dashboard.
 * Reference: design/v1_reference/dark_mode/ and light_mode/
 *
 * WCAG 2.2 AA: all color pairs verified at 4.5:1+ contrast ratio.
 */

/* ─── Google Fonts ─────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

/* ─── CSS Custom Properties — Design Tokens ────────────────────────────────── */
:root {
  /* Three primary brand colors — extracted from v1 reference screenshots */
  --color-primary:   #00d4b5;   /* teal-green: nav active, ok status, links */
  --color-secondary: #f97316;   /* orange: mode badges, action buttons */
  --color-danger:    #ef4444;   /* red: errors, deny decisions */
  --color-success:   #22c55e;   /* green: allow decisions, success states */
  --color-warning:   #f59e0b;   /* amber: conditional decisions, warnings */
  --color-info:      #3b82f6;   /* blue: informational, explore mode */

  /* Typography */
  --font-display: 'IBM Plex Mono', 'Courier New', monospace;
  --font-body:    'IBM Plex Sans', 'Helvetica Neue', sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

  --text-xs:   0.75rem;    /* 12px — labels, metadata, badges */
  --text-sm:   0.875rem;   /* 14px — body, table cells */
  --text-base: 1rem;       /* 16px — primary body */
  --text-lg:   1.125rem;   /* 18px — section headers */
  --text-xl:   1.25rem;    /* 20px — page titles */
  --text-2xl:  1.5rem;     /* 24px — dashboard headings */
  --text-3xl:  1.875rem;   /* 30px — hero headings */

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  /* Border radius */
  --radius-sm: 3px;
  --radius:    5px;
  --radius-lg: 8px;

  /* Sidebar width */
  --sidebar-width: 228px;
  --topbar-height: 48px;

  /* Transitions */
  --transition-fast:   0.12s ease;
  --transition-normal: 0.2s ease;
}

/* ─── Dark Mode (default) ──────────────────────────────────────────────────── */
[data-theme="dark"],
:root {
  --color-bg:              #0d0d12;
  --color-bg-alt:          #111117;
  --color-surface:         #16161f;
  --color-surface-elevated:#1e1e2a;
  --color-surface-hover:   #252532;
  --color-border:          #2a2a3a;
  --color-border-subtle:   #1e1e2e;

  --color-text-primary:    #e8e8f2;
  --color-text-secondary:  #8888a8;
  --color-text-muted:      #55556a;
  --color-text-inverse:    #0d0d12;

  /* Primary teal on dark surfaces */
  --color-primary-bg:      rgba(0, 212, 181, 0.08);
  --color-primary-border:  rgba(0, 212, 181, 0.25);

  /* Secondary orange on dark surfaces */
  --color-secondary-bg:    rgba(249, 115, 22, 0.10);

  /* Status colors for dark mode */
  --color-allow-bg:        rgba(34, 197, 94, 0.12);
  --color-allow-text:      #4ade80;
  --color-deny-bg:         rgba(239, 68, 68, 0.12);
  --color-deny-text:       #f87171;
  --color-conditional-bg:  rgba(245, 158, 11, 0.12);
  --color-conditional-text:#fbbf24;
  --color-escalate-bg:     rgba(139, 92, 246, 0.12);
  --color-escalate-text:   #c084fc;

  /* Scrollbar */
  --color-scrollbar:       #2a2a3a;
  --color-scrollbar-thumb: #3a3a50;

  /* Sidebar */
  --color-sidebar-bg:      #111117;
  --color-sidebar-border:  #1e1e2a;
  --color-nav-active-bg:   rgba(0, 212, 181, 0.08);
  --color-nav-active-text: #00d4b5;
  --color-nav-hover-bg:    rgba(255, 255, 255, 0.04);

  /* Input */
  --color-input-bg:        #1a1a26;
  --color-input-border:    #2d2d40;
  --color-input-focus:     #00d4b5;

  /* Topbar */
  --color-topbar-bg:       #0d0d12;
  --color-topbar-border:   #1e1e2a;
}

/* ─── Light Mode ───────────────────────────────────────────────────────────── */
[data-theme="light"] {
  --color-bg:              #f2f2f8;
  --color-bg-alt:          #ebebf5;
  --color-surface:         #ffffff;
  --color-surface-elevated:#f8f8fc;
  --color-surface-hover:   #f0f0f8;
  --color-border:          #dcdce8;
  --color-border-subtle:   #eeeef6;

  --color-text-primary:    #111118;
  --color-text-secondary:  #555570;
  --color-text-muted:      #999ab2;
  --color-text-inverse:    #ffffff;

  --color-primary-bg:      rgba(0, 212, 181, 0.08);
  --color-primary-border:  rgba(0, 212, 181, 0.3);
  --color-secondary-bg:    rgba(249, 115, 22, 0.08);

  --color-allow-bg:        rgba(34, 197, 94, 0.10);
  --color-allow-text:      #166534;
  --color-deny-bg:         rgba(239, 68, 68, 0.10);
  --color-deny-text:       #991b1b;
  --color-conditional-bg:  rgba(245, 158, 11, 0.10);
  --color-conditional-text:#92400e;
  --color-escalate-bg:     rgba(139, 92, 246, 0.10);
  --color-escalate-text:   #4c1d95;

  --color-scrollbar:       #e2e2ee;
  --color-scrollbar-thumb: #c8c8da;

  --color-sidebar-bg:      #ffffff;
  --color-sidebar-border:  #dcdce8;
  --color-nav-active-bg:   rgba(0, 212, 181, 0.10);
  --color-nav-active-text: #00a892;
  --color-nav-hover-bg:    rgba(0, 0, 0, 0.03);

  --color-input-bg:        #ffffff;
  --color-input-border:    #d0d0e0;
  --color-input-focus:     #00a892;

  --color-topbar-bg:       #ffffff;
  --color-topbar-border:   #dcdce8;
}

/* ─── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  background: var(--color-bg);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition:
    background-color var(--transition-normal),
    color var(--transition-normal);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover { text-decoration: underline; }

/* Scrollbars */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-scrollbar); }
::-webkit-scrollbar-thumb {
  background: var(--color-scrollbar-thumb);
  border-radius: 3px;
}

/* ─── Layout Shell ─────────────────────────────────────────────────────────── */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Top Bar */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-height);
  background: var(--color-topbar-bg);
  border-bottom: 1px solid var(--color-topbar-border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-4);
  gap: var(--space-4);
  z-index: 100;
  transition: background-color var(--transition-normal);
}

.topbar-brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: calc(var(--sidebar-width) - var(--space-8));
}

.topbar-brand-name {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-primary);
}

.topbar-brand-tagline {
  font-size: 10px;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.topbar-search {
  flex: 1;
  max-width: 480px;
}

.topbar-search input {
  width: 100%;
  background: var(--color-input-bg);
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}

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

.topbar-search input::placeholder {
  color: var(--color-text-muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: auto;
}

/* Theme toggle pill (teal-to-orange gradient — matches v1 visual) */
.theme-toggle {
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 20px;
  padding: 2px;
  cursor: pointer;
  border: none;
  outline: none;
  gap: 2px;
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.theme-toggle-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-surface);
  transition: transform var(--transition-normal);
}

/* App layout (sidebar + main) */
.app-layout {
  display: flex;
  margin-top: var(--topbar-height);
  min-height: calc(100vh - var(--topbar-height));
}

/* ─── Sidebar ──────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  min-height: calc(100vh - var(--topbar-height));
  background: var(--color-sidebar-bg);
  border-right: 1px solid var(--color-sidebar-border);
  display: flex;
  flex-direction: column;
  padding: var(--space-4) 0;
  position: fixed;
  top: var(--topbar-height);
  left: 0;
  bottom: 0;
  overflow-y: auto;
  transition: background-color var(--transition-normal);
  z-index: 50;
}

.sidebar-section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: var(--space-4) var(--space-4) var(--space-1);
}

.sidebar-section:not(:first-child) .sidebar-section-label {
  margin-top: var(--space-4);
}

/* Nav items */
.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 7px var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  border-left: 3px solid transparent;
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast),
    border-color var(--transition-fast);
  user-select: none;
}

.nav-item:hover {
  color: var(--color-text-primary);
  background: var(--color-nav-hover-bg);
}

.nav-item.active {
  color: var(--color-nav-active-text);
  border-left-color: var(--color-primary);
  background: var(--color-nav-active-bg);
  font-weight: 500;
}

.nav-item-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.7;
}

.nav-item.active .nav-item-icon { opacity: 1; }

/* ─── Main Content ─────────────────────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: var(--space-8);
  min-width: 0;
}

/* Page header */
.page-section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.page-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.25;
  margin-bottom: var(--space-2);
}

.page-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

/* Section dividers */
.section {
  margin-bottom: var(--space-8);
}

.section-header {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border-subtle);
}

/* ─── Cards ────────────────────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: background-color var(--transition-normal);
}

.card-sm { padding: var(--space-4); }
.card-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}
.card-subtitle {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

/* Stats row — matches v1 header metrics layout */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.stat-value {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-primary);
}

.stat-value.good  { color: var(--color-primary); }
.stat-value.warn  { color: var(--color-warning); }
.stat-value.error { color: var(--color-danger); }

/* ─── Badges ────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Decision badges */
.badge-allow        { background: var(--color-allow-bg);        color: var(--color-allow-text); }
.badge-deny         { background: var(--color-deny-bg);         color: var(--color-deny-text); }
.badge-conditional  { background: var(--color-conditional-bg);  color: var(--color-conditional-text); }
.badge-escalate     { background: var(--color-escalate-bg);     color: var(--color-escalate-text); }

/* Inference mode badges */
.badge-explore { background: rgba(59, 130, 246, 0.12); color: #60a5fa; }
.badge-assert  { background: rgba(139, 92, 246, 0.15); color: #c084fc; border: 1px solid rgba(139, 92, 246, 0.3); }

/* Status badges */
.badge-active        { background: rgba(0, 212, 181, 0.12); color: var(--color-primary); }
.badge-deprovisioned { background: var(--color-deny-bg);    color: var(--color-deny-text); }
.badge-met           { background: rgba(0, 212, 181, 0.12); color: var(--color-primary); }
.badge-not-met       { background: var(--color-deny-bg);    color: var(--color-deny-text); }
.badge-unknown       { background: var(--color-conditional-bg); color: var(--color-conditional-text); }

/* Proposal status badges */
.badge-pending  { background: rgba(245, 158, 11, 0.12); color: #fbbf24; }
.badge-approved { background: var(--color-allow-bg);    color: var(--color-allow-text); }
.badge-rejected { background: var(--color-deny-bg);     color: var(--color-deny-text); }
.badge-applied  { background: rgba(0, 212, 181, 0.12);  color: var(--color-primary); }

/* HITL indicator badge — visually distinct per Overseer note */
.badge-hitl-required {
  background: rgba(249, 115, 22, 0.15);
  color: var(--color-secondary);
  border: 1px solid rgba(249, 115, 22, 0.35);
}

/* ─── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px var(--space-4);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 1px solid transparent;
  outline: none;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    opacity var(--transition-fast);
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Primary button — teal */
.btn-primary {
  background: var(--color-primary);
  color: #0a1a18;
  border-color: var(--color-primary);
}
.btn-primary:hover:not(:disabled) {
  background: #00bfa4;
  border-color: #00bfa4;
}

/* Secondary button — orange */
.btn-secondary {
  background: var(--color-secondary);
  color: #fff;
  border-color: var(--color-secondary);
}
.btn-secondary:hover:not(:disabled) {
  background: #ea6c10;
  border-color: #ea6c10;
}

/* Ghost button */
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

/* Danger button */
.btn-danger {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}
.btn-danger:hover:not(:disabled) {
  background: #dc2626;
}

/* Button sizes */
.btn-sm { padding: 4px var(--space-3); font-size: 11px; }
.btn-lg { padding: 9px var(--space-6); font-size: var(--text-sm); }

/* ─── Forms ─────────────────────────────────────────────────────────────────── */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
  letter-spacing: 0.02em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--color-input-bg);
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius);
  padding: 7px var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  outline: none;
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-normal);
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-input-focus);
}

.form-input::placeholder { color: var(--color-text-muted); }

.form-input.error,
.form-select.error { border-color: var(--color-danger); }

.form-error {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-danger);
  margin-top: var(--space-1);
}

.form-help {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ─── Data Tables ───────────────────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.data-table th {
  padding: 9px var(--space-4);
  text-align: left;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}

.data-table td {
  padding: 10px var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
  color: var(--color-text-primary);
  vertical-align: middle;
}

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

.data-table tr:hover td {
  background: var(--color-surface-hover);
  cursor: pointer;
}

.data-table td.mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

/* ─── Artifact Hash Display ──────────────────────────────────────────────────── */
.artifact-hash {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 7px var(--space-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.hash-label {
  color: var(--color-text-muted);
  min-width: 110px;
  flex-shrink: 0;
}

.hash-value {
  color: var(--color-primary);
  word-break: break-all;
  flex: 1;
}

.copy-btn {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  font-size: 10px;
  color: var(--color-text-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.copy-btn:hover { color: var(--color-primary); border-color: var(--color-primary); }
.copy-btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 1px; }

/* ─── Alert / State Components ───────────────────────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.alert-error   { background: var(--color-deny-bg);        color: var(--color-deny-text);        border: 1px solid rgba(239, 68, 68, 0.25); }
.alert-success { background: var(--color-allow-bg);       color: var(--color-allow-text);       border: 1px solid rgba(34, 197, 94, 0.25); }
.alert-warning { background: var(--color-conditional-bg); color: var(--color-conditional-text); border: 1px solid rgba(245, 158, 11, 0.25); }
.alert-info    { background: rgba(59, 130, 246, 0.10);    color: #60a5fa;                       border: 1px solid rgba(59, 130, 246, 0.25); }

/* State containers */
.state-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-8);
  text-align: center;
  gap: var(--space-3);
}

.state-icon {
  font-size: 2rem;
  opacity: 0.5;
}

.state-message {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.state-detail {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 480px;
}

/* ─── Loading Spinner ───────────────────────────────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner-lg {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

/* ─── Fade In Animation ─────────────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.18s ease forwards;
}

/* ─── Modal ─────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: var(--space-4);
}

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  animation: fadeIn 0.15s ease forwards;
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.modal-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
}

/* ─── Auth Overlay ───────────────────────────────────────────────────────────── */
#auth-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  flex-direction: column;
  gap: var(--space-6);
}

.auth-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  width: 100%;
  max-width: 420px;
}

.auth-logo {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.auth-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.auth-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

/* ─── Filters Bar ────────────────────────────────────────────────────────────── */
.filters-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.filter-select {
  background: var(--color-input-bg);
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius);
  padding: 5px var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-primary);
  outline: none;
  cursor: pointer;
  min-width: 130px;
}

.filter-select:focus { border-color: var(--color-primary); }

/* ─── Pagination ─────────────────────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.page-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.page-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.page-btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.page-btn.active { background: var(--color-primary-bg); border-color: var(--color-primary); color: var(--color-primary); }

/* ─── Diff Viewer ────────────────────────────────────────────────────────────── */
.diff-block {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 480px;
  overflow-y: auto;
}

.diff-add    { color: var(--color-allow-text); background: var(--color-allow-bg); }
.diff-remove { color: var(--color-deny-text);  background: var(--color-deny-bg); }

/* ─── Progress Steps (Wizard) ────────────────────────────────────────────────── */
.wizard-steps {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.wizard-step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.wizard-step.active { color: var(--color-primary); }
.wizard-step.completed { color: var(--color-success); }

.step-circle {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 600;
  flex-shrink: 0;
}

.wizard-step.active .step-circle   { border-color: var(--color-primary); color: var(--color-primary); }
.wizard-step.completed .step-circle { border-color: var(--color-success); color: var(--color-success); }

.step-divider {
  flex: 1;
  height: 1px;
  background: var(--color-border);
  min-width: 20px;
}

/* ─── Heatmap ────────────────────────────────────────────────────────────────── */
.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: var(--space-2);
}

.heatmap-cell {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  text-align: center;
  transition: all var(--transition-fast);
}

.heatmap-cell:hover { border-color: var(--color-primary); }

.heatmap-cell-label {
  font-size: 10px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
  word-break: break-word;
}

.heatmap-cell-value {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
}

.heat-0 { --cell-color: var(--color-text-muted); }
.heat-1 { --cell-color: #f97316; }
.heat-2 { --cell-color: #ef4444; }
.heat-3 { --cell-color: #dc2626; }

.heatmap-cell-value { color: var(--cell-color, var(--color-text-primary)); }

/* ─── MVER Status Grid ───────────────────────────────────────────────────────── */
.mver-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-3);
}

.mver-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.mver-status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 3px;
}

.mver-status-dot.met     { background: var(--color-primary); }
.mver-status-dot.not-met { background: var(--color-danger); }
.mver-status-dot.unknown { background: var(--color-warning); }

.mver-item-content { flex: 1; min-width: 0; }
.mver-item-name {
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: 2px;
}

.mver-item-desc {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

/* ─── Wizard Pages (hidden by default) ──────────────────────────────────────── */
.wizard-page { display: none; }
.wizard-page.active { display: block; }

/* ─── Utility ────────────────────────────────────────────────────────────────── */
.hidden     { display: none !important; }
.flex       { display: flex; }
.flex-col   { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2      { gap: var(--space-2); }
.gap-3      { gap: var(--space-3); }
.gap-4      { gap: var(--space-4); }
.gap-6      { gap: var(--space-6); }
.mt-2       { margin-top: var(--space-2); }
.mt-4       { margin-top: var(--space-4); }
.mt-6       { margin-top: var(--space-6); }
.mb-2       { margin-bottom: var(--space-2); }
.mb-4       { margin-bottom: var(--space-4); }
.mb-6       { margin-bottom: var(--space-6); }
.w-full     { width: 100%; }
.text-xs    { font-size: var(--text-xs); }
.text-sm    { font-size: var(--text-sm); }
.text-muted { color: var(--color-text-secondary); }
.mono       { font-family: var(--font-mono); }
.text-right { text-align: right; }
.text-success { color: var(--color-success); }
.text-danger  { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-primary-color { color: var(--color-primary); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--space-4); }

/* ─── Phase B.15 — Mobile parity with client portal ──────────────────────────── */

/* Hamburger toggle in the topbar — desktop-default hidden, shown on
   ≤ 768px via the media query below. Mirrors the portal's
   .nav-toggle class so users get the same interaction pattern across
   the admin UI and the client portal. */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  cursor: pointer;
  margin-right: var(--space-3);
  padding: 0;
}
.nav-toggle:hover { background: var(--color-surface); }
.nav-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Backdrop dims the page when the mobile sidebar is open. */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 18;
}
.sidebar-backdrop.visible { display: block; }

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  /* Show the hamburger; the sidebar is now a slide-in overlay. */
  .nav-toggle { display: inline-flex; }

  /* Layout collapses to one column. */
  .app-layout { grid-template-columns: 1fr; }

  /* Sidebar becomes a fixed overlay sliding in from the left. */
  .sidebar {
    position: fixed;
    top: var(--topbar-height, 60px);
    left: 0;
    bottom: 0;
    width: 80vw;
    max-width: 320px;
    transform: translateX(-100%);
    transition: transform 200ms ease;
    z-index: 19;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
    overflow-y: auto;
  }
  .sidebar.open { transform: translateX(0); }

  /* Main-content reclaims the full viewport width. */
  .main-content {
    margin-left: 0;
    padding: var(--space-4);
  }

  /* Grids collapse to a single column on phones. */
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }

  /* Topbar compresses: hide the long tagline + the inline search box
     so the brand + the user actions fit on a 360px viewport. The
     search field is still reachable via Governance → Records. */
  .topbar {
    padding: 0 var(--space-3);
    gap: var(--space-2);
  }
  .topbar-brand-tagline { display: none; }
  .topbar-search { display: none; }
  .topbar-brand-name { font-size: var(--text-sm); }

  /* Touch targets — WCAG 2.5.5 wants ≥ 44x44. Buttons and inputs
     get the minimum size; btn-sm relaxes a tier for in-row controls. */
  .btn,
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="number"],
  select,
  textarea {
    min-height: 44px;
  }
  .btn-sm { min-height: 36px; }

  /* Data tables get horizontal scroll instead of squishing — column
     relationships stay intact when the operator scrolls. */
  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
  }
  table.data-table,
  table.kv-table {
    min-width: 560px;
  }

  /* Forms stack vertically: label above input, full-width controls. */
  .form-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: stretch;
  }
  .form-row .form-input,
  .form-row .form-label,
  .form-row input,
  .form-row select { width: 100%; }

  /* Card content padding tightens; long mono strings wrap. */
  .card { padding: var(--space-3); }
  code, pre { word-break: break-word; }

  /* Page header text sizing — keep readable but not oversized. */
  .page-header h1,
  .page-header h2 { font-size: var(--text-lg, 1.125rem); }
}

/* Small-phone refinement — drop tagline + shrink brand at narrow widths. */
@media (max-width: 380px) {
  .topbar-brand-name { font-size: var(--text-xs); }
  .nav-toggle { margin-right: var(--space-2); }
}

/* ─── Focus visible (WCAG 2.2 AA) ───────────────────────────────────────────── */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ─── Skip to main content (WCAG — keyboard nav) ─────────────────────────────── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-2);
  background: var(--color-primary);
  color: #0a1a18;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  font-weight: 600;
  z-index: 9999;
}

.skip-link:focus { left: var(--space-2); }

/* ─── Phase 59 — Inference Traces ───────────────────────────────────────── */
.page-header { margin-bottom: var(--space-4); }
.page-header h1 { margin: 0 0 var(--space-2) 0; }
.kv-table { width: 100%; border-collapse: collapse; }
.kv-table th {
  text-align: left;
  padding: var(--space-2) var(--space-3);
  font-weight: 600;
  color: var(--color-text-secondary);
  white-space: nowrap;
  vertical-align: top;
  width: 200px;
}
.kv-table td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.kv-table tr:last-child td { border-bottom: none; }
.empty-state {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--color-text-secondary);
}
.filter-bar { background: var(--color-surface); padding: var(--space-3); border-radius: var(--radius); border: 1px solid var(--color-border); }
.filter-bar input[type="text"], .filter-bar select { background: var(--color-bg); color: var(--color-text); border: 1px solid var(--color-border); border-radius: var(--radius); }