/*
 * HRTO Case Navigator - G-18 Theme (unified with Evidence GUI)
 * Sanchez v. Dare Foods - Human Rights Tribunal of Ontario
 *
 * Color Palette: G-18 (Professional Blue)
 * Typography: Calibri, Segoe UI
 * WCAG AA Compliant Contrast Ratios
 * Light mode default, dark mode toggle available
 */

/* ==========================================================================
   CSS Custom Properties (Variables) — Light Mode Default (G-18 Theme)
   ========================================================================== */

:root {
  /* Primary Colors — G-18 Blue */
  --color-primary-dark: #0d1b2a;
  --color-primary-mid: #1b2a41;
  --color-primary-light: #3a6ea5;
  --color-primary-bright: #60a5fa;

  /* Background Colors — Light */
  --color-bg-dark: #f0f4f8;
  --color-bg-card: #ffffff;
  --color-bg-card-hover: #f8fafc;
  --color-bg-input: #ffffff;

  /* Text Colors — Light */
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #555555;
  --color-text-muted: #888888;

  /* Semantic Colors */
  --color-success: #2d4a3e;
  --color-warning: #8a7355;
  --color-danger: #c0392b;
  --color-info: #4a8a9e;

  /* Gradients */
  --gradient-header: linear-gradient(135deg, #1b2a41, #3a6ea5);
  --gradient-card: none;
  --gradient-card-hover: none;
  --gradient-button-primary: linear-gradient(135deg, #1b2a41, #3a6ea5);
  --gradient-button-danger: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%);

  /* Typography — Calibri (matching Evidence GUI) */
  --font-heading: Calibri, 'Segoe UI', Arial, sans-serif;
  --font-body: Calibri, 'Segoe UI', Arial, sans-serif;
  --font-mono: 'Courier New', Consolas, monospace;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border */
  --border-color: #d0d7de;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows — Subtle (G-18 style) */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.15);
  --shadow-glow-primary: 0 0 0 3px rgba(58, 110, 165, 0.15);
  --shadow-glow-danger: 0 0 0 3px rgba(192, 57, 43, 0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 350ms ease;

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal-backdrop: 300;
  --z-modal: 400;
  --z-tooltip: 500;

  /* Timeline */
  --timeline-line-width: 3px;
  --timeline-dot-size: 16px;
  --timeline-dot-size-lg: 24px;
}

/* ==========================================================================
   Dark Theme
   ========================================================================== */

[data-theme="dark"] {
  /* Background Colors */
  --color-bg-dark: #0f172a;
  --color-bg-card: #1e293b;
  --color-bg-card-hover: #283548;
  --color-bg-input: #0f172a;

  /* Text Colors */
  --color-text-primary: #e2e8f0;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;

  /* Border */
  --border-color: #334155;

  /* Gradients adjusted for dark theme */
  --gradient-header: linear-gradient(135deg, #0f172a, #1e3a5f);
  --gradient-card: none;
  --gradient-card-hover: none;

  /* Primary bright in dark mode */
  --color-primary-bright: #93c5fd;
  --color-primary-light: #60a5fa;

  /* Semantic Colors — brighter for dark bg */
  --color-success: #4ade80;
  --color-warning: #fbbf24;
  --color-danger: #f87171;
  --color-info: #67e8f9;

  /* Shadows adjusted for dark theme */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow-primary: 0 0 0 3px rgba(96, 165, 250, 0.2);
  --shadow-glow-danger: 0 0 0 3px rgba(248, 113, 113, 0.2);
}

/* Dark theme specific overrides */
[data-theme="dark"] .card,
[data-theme="dark"] .timeline-content,
[data-theme="dark"] .filter-section,
[data-theme="dark"] .timeline-legend {
  border-color: var(--border-color);
}

[data-theme="dark"] .form-input,
[data-theme="dark"] .form-textarea,
[data-theme="dark"] .form-select,
[data-theme="dark"] .filter-input,
[data-theme="dark"] .filter-select {
  border-color: var(--border-color);
}

[data-theme="dark"] .table-container {
  border-color: var(--border-color);
}

[data-theme="dark"] .table th,
[data-theme="dark"] .table td {
  border-color: var(--border-color);
}

[data-theme="dark"] .tabs {
  border-color: var(--border-color);
}

/* ==========================================================================
   Base Styles & Reset
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 11pt;
  line-height: 1.55;
  color: var(--color-text-primary);
  background-color: var(--color-bg-dark);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary-light);
  color: white;
  padding: 8px;
  z-index: 1000;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}

.main-content {
  min-height: calc(100vh - 70px - 200px); /* Adjust based on header/footer height */
}

.page-header {
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.page-title {
  font-size: var(--text-3xl);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
  font-weight: 700;
}

.page-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  margin: 0;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--text-4xl);
  font-weight: 700;
}

h2 {
  font-size: var(--text-3xl);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
}

h6 {
  font-size: var(--text-base);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

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

a:hover,
a:focus {
  color: var(--color-primary-bright);
  text-decoration: underline;
}

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

strong, b {
  font-weight: 600;
}

small {
  font-size: var(--text-sm);
}

code, pre {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

code {
  background-color: var(--color-bg-card);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  color: var(--color-primary-bright);
}

pre {
  background-color: var(--color-bg-card);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow-x: auto;
}

pre code {
  background: none;
  padding: 0;
}

blockquote {
  border-left: 4px solid var(--color-primary-mid);
  padding-left: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  color: var(--color-text-secondary);
  font-style: italic;
}

/* ==========================================================================
   Layout & Container
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  margin-bottom: var(--spacing-2xl);
  text-align: center;
}

.section-header h2 {
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-start {
  display: flex;
  align-items: flex-start;
}

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.header {
  background: var(--gradient-header);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: var(--shadow-md);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
  min-height: 70px;
  gap: var(--spacing-md);
}

.header-container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-primary-bright);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.logo-text span {
  color: var(--color-primary-bright);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-xs);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-primary);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus {
  background-color: rgba(0, 0, 0, 0.04);
  color: var(--color-primary-bright);
  text-decoration: none;
}

.nav-link.active {
  background-color: rgba(127, 219, 255, 0.2);
  color: var(--color-primary-bright);
}

.nav-link svg,
.nav-link i {
  width: 18px;
  height: 18px;
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: var(--text-2xl);
  cursor: pointer;
  padding: var(--spacing-sm);
}

/* Theme Toggle */
.theme-toggle {
  background: rgba(0, 0, 0, 0.04);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--text-xl);
  margin-left: var(--spacing-md);
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--border-color);
}

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

.theme-icon {
  display: none;
  color: var(--color-text-primary);
}

[data-theme="dark"] .theme-icon-dark {
  display: block;
}

[data-theme="light"] .theme-icon-light {
  display: block;
}

[data-theme="light"] .theme-toggle {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .theme-toggle:hover {
  background: rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.card-header h3,
.card-header h4 {
  margin-bottom: 0;
}

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

/* Card Variants */
.card-highlight {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-glow-primary);
}

.card-danger {
  border-color: var(--color-danger);
}

.card-danger:hover {
  box-shadow: var(--shadow-xl), var(--shadow-glow-danger);
}

.card-success {
  border-color: var(--color-success);
}

.card-compact .card-body {
  padding: var(--spacing-md);
}

/* Stat Cards */
.stat-card {
  text-align: center;
  padding: var(--spacing-xl);
}

.stat-card .stat-value {
  font-size: var(--text-4xl);
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--color-primary-bright);
  margin-bottom: var(--spacing-xs);
}

.stat-card .stat-label {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Evidence Cards
   ========================================================================== */

.evidence-card {
  position: relative;
}

.evidence-card .evidence-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.evidence-card .evidence-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.evidence-card .evidence-date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.evidence-card .evidence-excerpt {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.evidence-card .evidence-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  align-items: center;
}

.evidence-card .evidence-source {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Smoking Gun Evidence */
.evidence-card.smoking-gun {
  border: 2px solid var(--color-danger);
  position: relative;
  animation: pulse-danger 2s infinite;
}

.evidence-card.smoking-gun::before {
  content: 'SMOKING GUN';
  position: absolute;
  top: -1px;
  right: var(--spacing-md);
  background: var(--color-danger);
  color: var(--color-text-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  letter-spacing: 0.05em;
}

@keyframes pulse-danger {
  0%, 100% {
    box-shadow: 0 0 5px rgba(255, 65, 54, 0.4);
  }
  50% {
    box-shadow: 0 0 20px rgba(255, 65, 54, 0.6);
  }
}

/* ==========================================================================
   Badges & Labels
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.25em 0.75em;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background-color: #e3f2fd;
  color: #1565c0;
}

.badge-secondary {
  background-color: #f5f5f5;
  color: var(--color-text-secondary);
  border: 1px solid var(--border-color);
}

.badge-success {
  background-color: #e8f5e9;
  color: #2e7d32;
}

.badge-warning {
  background-color: #fff3e0;
  color: #e65100;
}

.badge-danger {
  background-color: #fce4ec;
  color: #c62828;
}

.badge-info {
  background-color: #e0f7fa;
  color: #00695c;
}

/* Category Badges */
.badge-category {
  border: 1px solid currentColor;
  background-color: transparent;
}

.badge-category-email {
  color: var(--color-primary-light);
  border-color: var(--color-primary-light);
}

.badge-category-document {
  color: var(--color-info);
  border-color: var(--color-info);
}

.badge-category-audio {
  color: var(--color-warning);
  border-color: var(--color-warning);
}

.badge-category-legal {
  color: var(--color-success);
  border-color: var(--color-success);
}

.badge-category-medical {
  color: #e056fd;
  border-color: #e056fd;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.625rem 1.25rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

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

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Sizes */
.btn-sm {
  padding: 0.375rem 0.875rem;
  font-size: var(--text-sm);
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: var(--text-lg);
}

/* Primary Button */
.btn-primary {
  background: var(--gradient-button-primary);
  color: #ffffff;
  border-color: transparent;
}

.btn-primary:hover,
.btn-primary:focus {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(58, 110, 165, 0.35);
  color: #ffffff;
}

/* Secondary Button */
.btn-secondary {
  background-color: var(--color-bg-card);
  color: var(--color-text-secondary);
  border-color: var(--border-color);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--color-bg-dark);
  border-color: var(--color-primary-light);
  color: var(--color-text-primary);
}

/* Danger Button */
.btn-danger {
  background: var(--gradient-button-danger);
  color: var(--color-text-primary);
  border-color: var(--color-danger);
}

.btn-danger:hover,
.btn-danger:focus {
  background: linear-gradient(135deg, #ff4136 0%, #ff6b61 100%);
  border-color: #ff6b61;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-glow-danger);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--color-primary-light);
  border-color: transparent;
}

.btn-ghost:hover,
.btn-ghost:focus {
  background-color: rgba(0, 116, 217, 0.1);
  color: var(--color-primary-bright);
}

/* Icon Button */
.btn-icon {
  padding: 0.5rem;
  width: 40px;
  height: 40px;
}

.btn-icon svg,
.btn-icon i {
  width: 20px;
  height: 20px;
}

/* Button Group */
.btn-group {
  display: inline-flex;
}

.btn-group .btn {
  border-radius: 0;
}

.btn-group .btn:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.btn-group .btn:not(:last-child) {
  border-right-width: 0;
}

/* ==========================================================================
   Form Elements
   ========================================================================== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.form-label.required::after {
  content: '*';
  color: var(--color-danger);
  margin-left: var(--spacing-xs);
}

/* Input & Textarea */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-input);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(0, 116, 217, 0.2);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23b0b0b0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* Input with Icon */
.input-group {
  position: relative;
}

.input-group .input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.input-group .form-input {
  padding-left: 2.75rem;
}

.input-group .input-action {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
}

/* Search Input */
.search-input {
  background-color: var(--color-bg-input);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 0.75rem 1.25rem 0.75rem 3rem;
}

.search-input:focus {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-glow-primary);
}

.search-container {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.search-container .search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
}

.search-container .search-clear {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--spacing-xs);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.search-container.has-value .search-clear {
  opacity: 1;
}

.search-container .search-clear:hover {
  color: var(--color-text-primary);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.form-check-input {
  width: 20px;
  height: 20px;
  margin: 0;
  appearance: none;
  background-color: var(--color-bg-input);
  border: 2px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-check-input[type="checkbox"] {
  border-radius: var(--radius-sm);
}

.form-check-input[type="radio"] {
  border-radius: 50%;
}

.form-check-input:checked {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary-light);
}

.form-check-input:checked[type="checkbox"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.form-check-input:checked[type="radio"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8'%3E%3Ccircle cx='4' cy='4' r='4' fill='white'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.form-check-input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 116, 217, 0.2);
}

.form-check-label {
  color: var(--color-text-secondary);
}

/* Form Help Text */
.form-help {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

/* Form Validation States */
.form-input.is-invalid,
.form-textarea.is-invalid,
.form-select.is-invalid {
  border-color: var(--color-danger);
}

.form-input.is-invalid:focus,
.form-textarea.is-invalid:focus,
.form-select.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(255, 65, 54, 0.2);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-danger);
  margin-top: var(--spacing-xs);
}

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

/* ==========================================================================
   Timeline
   ========================================================================== */

.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: var(--timeline-line-width);
  background: linear-gradient(
    to bottom,
    var(--color-primary-dark) 0%,
    var(--color-primary-mid) 50%,
    var(--color-primary-light) 100%
  );
  border-radius: var(--radius-full);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--spacing-2xl);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -40px;
  top: 4px;
  width: var(--timeline-dot-size);
  height: var(--timeline-dot-size);
  background-color: var(--color-primary-mid);
  border: 3px solid var(--color-bg-dark);
  border-radius: 50%;
  z-index: 1;
  transition: all var(--transition-fast);
}

.timeline-item:hover .timeline-dot {
  background-color: var(--color-primary-light);
  box-shadow: var(--shadow-glow-primary);
  transform: scale(1.2);
}

/* Timeline Dot Variants */
.timeline-dot.dot-lg {
  width: var(--timeline-dot-size-lg);
  height: var(--timeline-dot-size-lg);
  left: calc(-40px - 4px);
}

.timeline-dot.dot-success {
  background-color: var(--color-success);
}

.timeline-dot.dot-warning {
  background-color: var(--color-warning);
}

.timeline-dot.dot-danger {
  background-color: var(--color-danger);
}

.timeline-dot.dot-info {
  background-color: var(--color-info);
}

/* Smoking Gun Timeline Items */
.timeline-item.smoking-gun .timeline-dot {
  background-color: var(--color-danger);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(255, 65, 54, 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(255, 65, 54, 0);
  }
}

.timeline-date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.timeline-content {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.timeline-item:hover .timeline-content {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.timeline-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.timeline-description {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

/* ==========================================================================
   Tables
   ========================================================================== */

.table-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.table th,
.table td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.table th {
  font-weight: 600;
  color: var(--color-text-primary);
  background-color: var(--color-bg-dark);
  text-transform: uppercase;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
}

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

.table tbody tr {
  transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
  background-color: rgba(0, 116, 217, 0.1);
}

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

/* Table Variants */
.table-striped tbody tr:nth-child(even) {
  background-color: rgba(0, 0, 0, 0.02);
}

.table-compact th,
.table-compact td {
  padding: var(--spacing-sm) var(--spacing-md);
}

/* ==========================================================================
   Modal
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  z-index: var(--z-modal);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
  overflow: hidden;
}

.modal.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  margin-bottom: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: var(--text-2xl);
  cursor: pointer;
  padding: var(--spacing-xs);
  line-height: 1;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-text-primary);
}

.modal-body {
  padding: var(--spacing-lg);
  overflow-y: auto;
  max-height: calc(90vh - 140px);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  background-color: rgba(0, 0, 0, 0.03);
}

/* Modal Sizes */
.modal-sm {
  max-width: 400px;
}

.modal-lg {
  max-width: 800px;
}

.modal-xl {
  max-width: 1140px;
}

/* ==========================================================================
   Alerts & Notifications
   ========================================================================== */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid;
  margin-bottom: var(--spacing-md);
}

.alert-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.alert-message {
  font-size: var(--text-sm);
  color: inherit;
  opacity: 0.9;
}

.alert-info {
  background-color: rgba(57, 204, 204, 0.1);
  border-color: var(--color-info);
  color: var(--color-info);
}

.alert-success {
  background-color: rgba(46, 204, 64, 0.1);
  border-color: var(--color-success);
  color: var(--color-success);
}

.alert-warning {
  background-color: rgba(255, 220, 0, 0.1);
  border-color: var(--color-warning);
  color: var(--color-warning);
}

.alert-danger {
  background-color: rgba(255, 65, 54, 0.1);
  border-color: var(--color-danger);
  color: var(--color-danger);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: var(--z-tooltip);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  max-width: 500px;
  animation: slideInRight var(--transition-base) ease-out;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  list-style: none;
}

.pagination-item {
  display: inline-flex;
}

.pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--spacing-sm);
  color: var(--color-text-secondary);
  background-color: var(--color-bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.pagination-link:hover {
  color: var(--color-text-primary);
  border-color: var(--color-primary-light);
  text-decoration: none;
}

.pagination-link.active {
  background: var(--gradient-button-primary);
  color: var(--color-text-primary);
  border-color: var(--color-primary-light);
}

.pagination-link:disabled,
.pagination-link.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ==========================================================================
   Tabs
   ========================================================================== */

.tabs {
  display: flex;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: var(--spacing-lg);
  overflow-x: auto;
}

.tab {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--color-text-secondary);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tab:hover {
  color: var(--color-text-primary);
  text-decoration: none;
}

.tab.active {
  color: var(--color-primary-bright);
  border-bottom-color: var(--color-primary-bright);
}

.tab-count {
  font-size: var(--text-xs);
  padding: 0.125rem 0.5rem;
  background-color: rgba(0, 0, 0, 0.04);
  border-radius: var(--radius-full);
}

.tab.active .tab-count {
  background-color: rgba(127, 219, 255, 0.2);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ==========================================================================
   Progress & Loading
   ========================================================================== */

.progress {
  height: 8px;
  background-color: rgba(0, 0, 0, 0.04);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-button-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.progress-bar.animated {
  animation: progress-stripes 1s linear infinite;
  background-image: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.15) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.15) 50%,
    rgba(255, 255, 255, 0.15) 75%,
    transparent 75%,
    transparent
  );
  background-size: 1rem 1rem;
}

@keyframes progress-stripes {
  from {
    background-position: 1rem 0;
  }
  to {
    background-position: 0 0;
  }
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary-light);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.spinner-lg {
  width: 60px;
  height: 60px;
  border-width: 4px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.loading-text {
  margin-top: var(--spacing-lg);
  color: var(--color-text-secondary);
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-card) 0%,
    rgba(255, 255, 255, 0.05) 50%,
    var(--color-bg-card) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 1em;
  margin-bottom: var(--spacing-sm);
}

.skeleton-text:last-child {
  width: 70%;
}

.skeleton-title {
  height: 1.5em;
  width: 60%;
  margin-bottom: var(--spacing-md);
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

.skeleton-card {
  height: 200px;
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* ==========================================================================
   Tooltips
   ========================================================================== */

[data-tooltip] {
  position: relative;
}

[data-tooltip]::before,
[data-tooltip]::after {
  position: absolute;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: var(--z-tooltip);
}

[data-tooltip]::before {
  content: attr(data-tooltip);
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-bg-card);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  white-space: nowrap;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

[data-tooltip]::after {
  content: '';
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--color-bg-card);
}

[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background-color: #0d1b2a;
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  color: #e2e8f0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
  color: var(--color-text-primary);
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.footer-copyright {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer-legal {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-legal a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Text Colors */
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-info { color: var(--color-info); }
.text-accent { color: var(--color-primary-bright); }

/* Font Weights */
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* Font Sizes */
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }

/* Margins */
.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

/* Padding */
.p-0 { padding: 0; }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }
.py-sm { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-md { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-lg { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.px-sm { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-md { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-lg { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }

/* Display */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-inline-flex { display: inline-flex; }

/* Visibility */
.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Width */
.w-full { width: 100%; }
.w-auto { width: auto; }
.max-w-sm { max-width: 400px; }
.max-w-md { max-width: 600px; }
.max-w-lg { max-width: 800px; }
.max-w-xl { max-width: 1140px; }

/* Border Radius */
.rounded { border-radius: var(--radius-md); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadow */
.shadow { box-shadow: var(--shadow-md); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-none { box-shadow: none; }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

/* Truncate Text */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Screen Reader Only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Responsive Design - Mobile First
   ========================================================================== */

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
  .container {
    padding: 0 var(--spacing-lg);
  }

  .modal {
    width: 85%;
  }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
  h1 {
    font-size: var(--text-5xl);
  }

  .section {
    padding: var(--spacing-3xl) 0;
  }

  .grid-md-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-md-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .d-md-none { display: none; }
  .d-md-block { display: block; }
  .d-md-flex { display: flex; }

  .timeline {
    padding-left: 50px;
  }

  .timeline-dot {
    left: -50px;
  }

  .timeline-dot.dot-lg {
    left: calc(-50px - 4px);
  }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
  .container {
    padding: 0 var(--spacing-xl);
  }

  .grid-lg-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-lg-4 {
    grid-template-columns: repeat(4, 1fr);
  }

  .d-lg-none { display: none; }
  .d-lg-block { display: block; }
  .d-lg-flex { display: flex; }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  .container {
    padding: 0 var(--spacing-2xl);
  }

  .grid-xl-4 {
    grid-template-columns: repeat(4, 1fr);
  }

  .grid-xl-5 {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* Mobile-specific styles (below 768px) */
@media (max-width: 767.98px) {
  html {
    font-size: 14px;
  }

  .header-content {
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: block;
  }

  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    padding-top: var(--spacing-md);
  }

  .nav.active {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    width: 100%;
  }

  .nav-link {
    width: 100%;
    justify-content: flex-start;
    padding: var(--spacing-md);
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .modal {
    width: 95%;
    max-height: 95vh;
  }

  .modal-body {
    max-height: calc(95vh - 140px);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }

  .toast-container {
    left: var(--spacing-md);
    right: var(--spacing-md);
    bottom: var(--spacing-md);
  }

  .toast {
    min-width: auto;
    width: 100%;
  }

  .tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .tabs::-webkit-scrollbar {
    display: none;
  }

  .tab {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .timeline {
    padding-left: 30px;
  }

  .timeline-dot {
    left: -30px;
    width: 12px;
    height: 12px;
  }

  .timeline-dot.dot-lg {
    width: 18px;
    height: 18px;
    left: calc(-30px - 3px);
  }
}

/* Tablet portrait (768px to 991px) */
@media (min-width: 768px) and (max-width: 991.98px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Print Styles */
@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  body {
    font-size: 12pt;
    line-height: 1.4;
  }

  .header,
  .footer,
  .nav,
  .btn,
  .modal,
  .toast-container {
    display: none !important;
  }

  a {
    text-decoration: underline;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 10pt;
  }

  .card {
    border: 1px solid #ddd;
    break-inside: avoid;
  }

  .timeline::before {
    background: #000;
  }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --color-bg-dark: #000000;
    --color-bg-card: #1a1a1a;
    --color-text-primary: #ffffff;
    --color-text-secondary: #e0e0e0;
  }

  .card,
  .form-input,
  .btn {
    border-width: 2px;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .spinner {
    animation: none;
    border-top-color: var(--color-primary-light);
    border-right-color: var(--color-primary-light);
  }
}

/* Focus Visible for Keyboard Navigation */
:focus:not(:focus-visible) {
  outline: none;
}

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

/* ==========================================================================
   Site Header (actual template classes)
   ========================================================================== */

.site-header {
  background: var(--gradient-header);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: var(--shadow-lg);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
}

.logo-icon {
  font-size: 1.75rem;
  color: var(--color-primary-bright);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-toggle {
  display: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xs);
  margin: 0;
  padding: 0;
}

.nav-item {
  margin: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-primary);
  font-weight: 500;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  background-color: rgba(0, 0, 0, 0.04);
  color: var(--color-primary-bright);
  text-decoration: none;
}

.nav-link.active {
  background-color: rgba(127, 219, 255, 0.2);
  color: var(--color-primary-bright);
}

.nav-icon {
  font-size: 1.1rem;
}

/* ==========================================================================
   Main Content Area
   ========================================================================== */

.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-xl);
  min-height: calc(100vh - 200px);
}

.page-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.page-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.page-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin: 0;
}

/* ==========================================================================
   Filter Section
   ========================================================================== */

.filter-section {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  margin-bottom: var(--spacing-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.filter-form {
  width: 100%;
}

.filter-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
  align-items: end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.filter-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
}

.filter-input,
.filter-select {
  padding: 9px 12px;
  background-color: var(--color-bg-input);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--color-text-primary);
  font-size: var(--text-base);
  font-family: var(--font-body);
  transition: border-color var(--transition-fast);
}

.filter-input:focus,
.filter-select:focus {
  outline: none;
  border-color: var(--color-primary-light);
}

.filter-actions {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.filter-help {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-md);
}

/* ==========================================================================
   Timeline Section (updated for templates)
   ========================================================================== */

.timeline-section {
  margin-bottom: var(--spacing-2xl);
}

.timeline-stats {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--color-bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.timeline-stats p {
  margin: 0;
  color: var(--color-text-secondary);
}

.timeline {
  position: relative;
  padding-left: 50px;
  list-style: none;
  margin: 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--color-primary-dark), var(--color-primary-mid), var(--color-primary-light));
  border-radius: var(--radius-full);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--spacing-xl);
  display: flex;
  gap: var(--spacing-md);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -50px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.timeline-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--color-primary-mid);
  border: 3px solid var(--color-bg-dark);
  z-index: 1;
}

.timeline-dot.severity-critical {
  background-color: var(--color-danger);
  box-shadow: 0 0 10px rgba(255, 65, 54, 0.5);
}

.timeline-dot.severity-high {
  background-color: var(--color-warning);
}

.timeline-dot.severity-medium {
  background-color: var(--color-primary-light);
}

.timeline-dot.severity-low {
  background-color: var(--color-text-muted);
}

.timeline-line {
  flex: 1;
  width: 2px;
  background-color: rgba(0, 0, 0, 0.04);
}

.timeline-content {
  flex: 1;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.timeline-item:hover .timeline-content {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
}

.timeline-date {
  font-size: var(--text-sm);
  color: var(--color-primary-bright);
  font-weight: 500;
}

.timeline-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0 0 var(--spacing-sm);
  color: var(--color-text-primary);
}

.timeline-summary {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.timeline-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  background: var(--color-bg-dark);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.meta-icon {
  font-size: 0.9rem;
}

.category-tag {
  background: #e3f2fd;
  color: #1565c0;
}

[data-theme="dark"] .category-tag {
  background: rgba(96, 165, 250, 0.15);
  color: #93c5fd;
}

/* Severity Badges */
.severity-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

.severity-critical {
  background-color: #fce4ec;
  color: #c62828;
}

.severity-high {
  background-color: #fff3e0;
  color: #e65100;
}

.severity-medium {
  background-color: #e3f2fd;
  color: #1565c0;
}

.severity-low {
  background-color: #f5f5f5;
  color: #757575;
}

[data-theme="dark"] .severity-critical {
  background-color: rgba(248, 113, 113, 0.15);
  color: #f87171;
}

[data-theme="dark"] .severity-high {
  background-color: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
}

[data-theme="dark"] .severity-medium {
  background-color: rgba(96, 165, 250, 0.15);
  color: #60a5fa;
}

[data-theme="dark"] .severity-low {
  background-color: rgba(100, 116, 139, 0.15);
  color: #94a3b8;
}

/* ==========================================================================
   Timeline Legend
   ========================================================================== */

.timeline-legend {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.legend-title {
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-md);
}

.legend-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Button Styles (for templates)
   ========================================================================== */

.btn-view {
  background: var(--color-primary-light);
  color: #ffffff;
  padding: 5px 14px;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: 6px;
  border: none;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: all var(--transition-fast);
}

.btn-view:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(58, 110, 165, 0.35);
  text-decoration: none;
  color: #ffffff;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.btn-back:hover {
  color: var(--color-primary-bright);
  text-decoration: none;
}

.btn-load-more {
  display: block;
  width: 100%;
  max-width: 300px;
  margin: var(--spacing-xl) auto;
  padding: var(--spacing-md) var(--spacing-xl);
  background: transparent;
  border: 2px solid var(--color-primary-light);
  color: var(--color-primary-light);
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-load-more:hover {
  background: var(--color-primary-light);
  color: var(--color-text-primary);
}

/* ==========================================================================
   Search Page Styles
   ========================================================================== */

.search-section {
  margin-bottom: var(--spacing-2xl);
}

.search-form {
  max-width: 800px;
  margin: 0 auto;
}

.search-input-container {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.search-input-container .search-input {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--text-lg);
  background-color: var(--color-bg-input);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
}

.search-input-container .search-input:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-glow-primary);
}

.search-submit {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--gradient-button-primary);
  border: none;
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.search-submit:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow-primary);
}

.search-icon {
  font-size: 1.25rem;
}

.search-help {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.search-filters {
  margin-top: var(--spacing-lg);
}

.filter-details {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.filter-summary {
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.filter-summary:hover {
  color: var(--color-text-primary);
}

.filter-icon {
  font-size: 1.1rem;
}

.filter-active-badge {
  margin-left: auto;
  font-size: var(--text-xs);
  background: var(--color-primary-mid);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  padding-top: 0;
}

/* ==========================================================================
   Results Section
   ========================================================================== */

.search-results-section {
  margin-top: var(--spacing-2xl);
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.results-title {
  font-size: var(--text-2xl);
  margin: 0;
}

.results-sort {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.sort-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.sort-select {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
}

.results-tabs {
  display: flex;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: var(--spacing-lg);
}

.tab-btn {
  padding: var(--spacing-md) var(--spacing-lg);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  color: var(--color-text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.tab-btn:hover {
  color: var(--color-text-primary);
}

.tab-btn.active {
  color: var(--color-primary-bright);
  border-bottom-color: var(--color-primary-bright);
}

.tab-count {
  font-size: var(--text-xs);
  opacity: 0.7;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.results-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--spacing-md);
}

.result-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.result-card:hover {
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.result-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.result-type-icon {
  font-size: 1.25rem;
}

.result-type {
  font-size: var(--text-xs);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.result-exhibit {
  margin-left: auto;
  font-size: var(--text-xs);
  background: var(--color-primary-mid);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
}

.result-title {
  font-size: var(--text-lg);
  margin: 0 0 var(--spacing-sm);
}

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

.result-title a:hover {
  color: var(--color-primary-bright);
}

.result-date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--spacing-sm);
}

.result-snippet {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.result-snippet mark {
  background: rgba(255, 220, 0, 0.3);
  color: inherit;
  padding: 0 2px;
  border-radius: 2px;
}

.result-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.tag {
  font-size: var(--text-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(0, 0, 0, 0.04);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Search Suggestions
   ========================================================================== */

.search-suggestions {
  margin-top: var(--spacing-2xl);
}

.suggestions-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.suggestions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.suggestion-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  border: 1px solid var(--border-color);
}

.suggestion-heading {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-md);
}

.suggestion-icon {
  font-size: 1.25rem;
}

.suggestion-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.suggestion-list li {
  margin-bottom: var(--spacing-sm);
}

.suggestion-list a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.suggestion-list a:hover {
  color: var(--color-primary-bright);
}

/* ==========================================================================
   Site Footer
   ========================================================================== */

.site-footer {
  background-color: var(--color-primary-dark);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-xl) 0;
  margin-top: auto;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  text-align: center;
}

.footer-content {
  margin-bottom: var(--spacing-md);
}

.footer-case {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.footer-separator {
  margin: 0 var(--spacing-sm);
  color: var(--color-text-muted);
}

.footer-disclaimer {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* ==========================================================================
   Empty State
   ========================================================================== */

.empty-state {
  text-align: center;
  padding: var(--spacing-3xl);
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--spacing-sm);
}

.empty-state-message {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* ==========================================================================
   Event Detail Page
   ========================================================================== */

.breadcrumb {
  margin-bottom: var(--spacing-lg);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--text-sm);
}

.breadcrumb-item {
  color: var(--color-text-muted);
}

.breadcrumb-item a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.breadcrumb-item a:hover {
  color: var(--color-primary-bright);
}

.breadcrumb-item:not(:last-child)::after {
  content: '/';
  margin-left: var(--spacing-sm);
  color: var(--color-text-muted);
}

.event-navigation-top {
  margin-bottom: var(--spacing-lg);
}

.event-detail {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  border: 1px solid var(--border-color);
  margin-bottom: var(--spacing-2xl);
}

.event-header {
  display: flex;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.event-date-badge {
  flex-shrink: 0;
}

.event-date-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--gradient-button-primary);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  min-width: 80px;
}

.date-day {
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1;
}

.date-month {
  font-size: var(--text-sm);
  text-transform: uppercase;
  font-weight: 600;
}

.date-year {
  font-size: var(--text-xs);
  opacity: 0.8;
}

.event-title-section {
  flex: 1;
}

.event-badges {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.category-badge {
  display: inline-flex;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--text-xs);
  background: rgba(0, 0, 0, 0.04);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
}

.event-title {
  font-size: var(--text-3xl);
  margin-bottom: var(--spacing-sm);
}

.event-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin: 0;
}

.section-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-lg);
}

.section-icon {
  font-size: 1.25rem;
}

.section-count {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: normal;
}

.event-narrative {
  margin-bottom: var(--spacing-2xl);
}

.narrative-content {
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.evidence-grid,
.jurisprudence-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.evidence-card,
.jurisprudence-card {
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.evidence-card:hover,
.jurisprudence-card:hover {
  border-color: var(--color-primary-light);
  background: rgba(0, 116, 217, 0.1);
}

.evidence-card-header,
.jurisprudence-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.evidence-type-icon {
  font-size: 1.25rem;
}

.evidence-type-label,
.jurisprudence-court {
  font-size: var(--text-xs);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.evidence-exhibit {
  margin-left: auto;
  font-size: var(--text-xs);
  background: var(--color-primary-mid);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
}

.jurisprudence-year {
  margin-left: auto;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.evidence-card-title,
.jurisprudence-card-title {
  font-size: var(--text-base);
  margin: 0 0 var(--spacing-sm);
}

.evidence-card-date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--spacing-sm);
}

.evidence-card-snippet {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.evidence-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.evidence-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.tag-more {
  background: var(--color-primary-mid);
}

.jurisprudence-citation {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--spacing-sm);
}

.jurisprudence-relevance,
.jurisprudence-principles {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.jurisprudence-principles ul {
  margin: var(--spacing-xs) 0 0;
  padding-left: var(--spacing-lg);
}

.event-navigation {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.event-nav-prev {
  text-align: left;
}

.event-nav-center {
  text-align: center;
}

.event-nav-next {
  text-align: right;
}

.event-nav-link {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.event-nav-next .event-nav-link {
  align-items: flex-end;
}

.event-nav-link:hover {
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  text-decoration: none;
}

.nav-direction {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.nav-date {
  font-size: var(--text-xs);
  color: var(--color-primary-bright);
}

.nav-title {
  color: var(--color-text-primary);
  font-weight: 500;
}

.event-nav-placeholder {
  padding: var(--spacing-md);
  color: var(--color-text-muted);
}

/* Error State */
.error-state {
  text-align: center;
  padding: var(--spacing-3xl);
}

/* ==========================================================================
   Visually Hidden (for screen readers)
   ========================================================================== */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Flash Messages
   ========================================================================== */

.flash-messages {
  margin-bottom: var(--spacing-lg);
}

.flash-message {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
}

.flash-success {
  background-color: rgba(46, 204, 64, 0.1);
  border-left: 4px solid var(--color-success);
  color: var(--color-success);
}

.flash-error {
  background-color: rgba(255, 65, 54, 0.1);
  border-left: 4px solid var(--color-danger);
  color: var(--color-danger);
}

.flash-warning {
  background-color: rgba(255, 220, 0, 0.1);
  border-left: 4px solid var(--color-warning);
  color: var(--color-warning);
}

.flash-info {
  background-color: rgba(57, 204, 204, 0.1);
  border-left: 4px solid var(--color-info);
  color: var(--color-info);
}

.flash-dismiss {
  background: none;
  border: none;
  color: inherit;
  font-size: 1.25rem;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.flash-dismiss:hover {
  opacity: 1;
}

/* ==========================================================================
   Responsive Adjustments for Templates
   ========================================================================== */

@media (max-width: 991.98px) {
  .event-navigation {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .event-nav-prev,
  .event-nav-center,
  .event-nav-next {
    text-align: center;
  }

  .event-nav-next .event-nav-link {
    align-items: center;
  }
}

@media (max-width: 767.98px) {
  .header-container {
    padding: var(--spacing-md);
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: block;
    background: none;
    border: none;
    color: var(--color-text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-sm);
  }

  .nav-toggle-icon::before {
    content: '\2630';
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    padding-top: var(--spacing-md);
  }

  .nav-menu.active {
    display: flex;
  }

  .main-content {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .page-title {
    font-size: var(--text-2xl);
  }

  .filter-row {
    grid-template-columns: 1fr;
  }

  .filter-actions {
    flex-direction: column;
  }

  .filter-actions .btn {
    width: 100%;
  }

  .timeline {
    padding-left: 30px;
  }

  .timeline::before {
    left: 8px;
  }

  .timeline-marker {
    left: -30px;
  }

  .event-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .event-detail {
    padding: var(--spacing-lg);
  }

  .event-title {
    font-size: var(--text-2xl);
  }

  .evidence-grid,
  .jurisprudence-grid {
    grid-template-columns: 1fr;
  }

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

/* ==========================================================================
   Accessibility Enhancements
   ========================================================================== */

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary-mid);
  color: var(--color-text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* Ensure sufficient color contrast for interactive elements */
a:visited {
  color: #b38fff;
}

/* Form focus indicators that meet WCAG 2.1 */
.form-input:focus,
.form-textarea:focus,
.form-select:focus,
.btn:focus-visible {
  outline: 2px solid var(--color-primary-bright);
  outline-offset: 2px;
}

/* Ensure touch targets are at least 44x44px on mobile */
@media (max-width: 767.98px) {
  .btn,
  .nav-link,
  .pagination-link,
  .tab {
    min-height: 44px;
    min-width: 44px;
  }

  .form-check-input {
    width: 24px;
    height: 24px;
  }
}

/* ==========================================================================
   Evidence Actions (View/Download buttons)
   ========================================================================== */

.evidence-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

.evidence-actions .btn-small {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  border-radius: var(--border-radius-sm);
}

.evidence-status {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--border-radius-sm);
}

.status-badge.status-missing {
  background-color: rgba(255, 65, 54, 0.2);
  color: var(--color-danger);
  border: 1px solid rgba(255, 65, 54, 0.3);
}

.status-badge.status-exists {
  background-color: rgba(46, 204, 64, 0.2);
  color: var(--color-success);
  border: 1px solid rgba(46, 204, 64, 0.3);
}

/* Evidence card enhancements */
.evidence-card-footer {
  margin-top: auto;
}

.evidence-card article {
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* ==========================================================================
   Evidence Status Indicators (Original vs AI-Generated)
   ========================================================================== */

.evidence-status-dot {
  display: inline-block;
  margin-left: auto;
  font-size: 1rem;
  line-height: 1;
  cursor: help;
}

.evidence-status-dot.status-original {
  color: #2ecc40;  /* Green - original source document */
}

.evidence-status-dot.status-generated {
  color: #ff4136;  /* Red - AI-generated placeholder */
}

.evidence-status-dot.status-check {
  color: #ffdc00;  /* Yellow - needs verification */
}

/* Status legend for evidence section */
.evidence-status-legend {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.02);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.legend-dot {
  font-size: 0.875rem;
}

.legend-dot.original { color: #2ecc40; }
.legend-dot.generated { color: #ff4136; }
.legend-dot.check { color: #ffdc00; }

/* Warning banner for AI-generated content */
.evidence-warning {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  background: rgba(255, 65, 54, 0.15);
  border: 1px solid rgba(255, 65, 54, 0.3);
  border-radius: var(--border-radius-sm);
  color: #ff6b6b;
  font-size: 0.875rem;
}

.evidence-warning-icon {
  font-size: 1.25rem;
}

/* ==========================================================================
   Evidence Viewer Modal
   ========================================================================== */

.evidence-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.evidence-modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
}

.modal-container {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 95vw;
  height: 90vh;
  max-width: 1400px;
  background: var(--color-bg-card);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: var(--color-primary-dark);
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 60%;
}

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

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-close:hover {
  color: var(--color-text-primary);
  background: rgba(0, 0, 0, 0.04);
}

.modal-content {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: #1a1a1a;
}

.modal-loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  font-size: 1.125rem;
}

.modal-viewer {
  width: 100%;
  height: 100%;
  overflow: auto;
}

/* Viewer Types */
.viewer-pdf,
.viewer-html,
.viewer-text-frame,
.viewer-generic {
  width: 100%;
  height: 100%;
  border: none;
  background: white;
}

.viewer-image-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  overflow: auto;
  padding: 1rem;
  background: #2a2a2a;
}

.viewer-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.viewer-text {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  color: #e0e0e0;
  background: #1e1e1e;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow: auto;
}

.viewer-audio-container,
.viewer-video-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 2rem;
  background: #1a1a1a;
}

.viewer-audio {
  width: 100%;
  max-width: 600px;
}

.viewer-video {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--border-radius-sm);
}

.viewer-unsupported {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 2rem;
  text-align: center;
  color: var(--color-text-secondary);
}

.unsupported-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  opacity: 0.5;
}

.unsupported-message {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--color-text-primary);
}

.unsupported-filename {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.unsupported-actions {
  display: flex;
  gap: 1rem;
}

.viewer-error {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--color-danger);
  font-size: 1.125rem;
}

/* Button outline style */
.btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-text-secondary);
}

.btn-outline:hover {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--color-text-primary);
}

/* ==========================================================================
   Multi-File Viewer with Sidebar
   ========================================================================== */

.viewer-with-sidebar {
  display: flex;
  width: 100%;
  height: 100%;
}

.file-selector {
  width: 280px;
  min-width: 280px;
  background: var(--color-bg-card);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.file-selector-header {
  padding: 0.875rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.file-list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  flex: 1;
}

.file-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border-color);
  transition: all 0.15s ease;
}

.file-item:hover {
  background: rgba(0, 0, 0, 0.02);
}

.file-item.active {
  background: var(--color-primary-mid);
  border-left: 3px solid var(--color-primary-bright);
}

.file-icon {
  font-size: 1.25rem;
  opacity: 0.7;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.file-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.file-name {
  font-size: 0.8125rem;
  color: var(--color-text-primary);
  word-break: break-word;
}

.file-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.viewer-main {
  flex: 1;
  min-width: 0;
  height: 100%;
  overflow: hidden;
}

/* Adjust viewer elements inside viewer-main */
.viewer-main .viewer-pdf,
.viewer-main .viewer-html,
.viewer-main .viewer-text-frame,
.viewer-main .viewer-generic {
  width: 100%;
  height: 100%;
}

.viewer-main .viewer-text {
  height: 100%;
  margin: 0;
}

.viewer-main .viewer-image-container,
.viewer-main .viewer-audio-container,
.viewer-main .viewer-video-container,
.viewer-main .viewer-unsupported {
  height: 100%;
}

/* Responsive modal */
@media (max-width: 767.98px) {
  .modal-container {
    width: 100vw;
    height: 100vh;
    border-radius: 0;
  }

  .modal-header {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .modal-title {
    max-width: 100%;
    order: 1;
    flex: 1 1 100%;
  }

  .modal-actions {
    order: 2;
    flex: 1 1 100%;
    justify-content: flex-end;
  }

  .viewer-with-sidebar {
    flex-direction: column;
  }

  .file-selector {
    width: 100%;
    min-width: 100%;
    max-height: 150px;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .file-list {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
  }

  .file-item {
    flex-shrink: 0;
    border-bottom: none;
    border-right: 1px solid var(--border-color);
  }
}