@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

:root {
  --color-navy: #1b365d;
  --color-navy-dark: #0f2440;
  --color-navy-light: #2c5282;
  --color-navy-muted: #3a6298;
  --color-cream: #f8f7f4;
  --color-cream-dark: #edeae3;
  --color-paper: #fcfbf9;
  --color-white: #ffffff;
  --color-crimson: #8b1a1a;
  --color-crimson-light: #a82828;
  --color-crimson-bg: #fdf2f2;
  --color-gold: #b8860b;
  --color-gold-light: #d4a017;
  --color-gold-bg: #fef9e7;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-accent-light: #dbeafe;
  --color-text: #1a202c;
  --color-text-secondary: #4a5568;
  --color-text-muted: #718096;
  --color-text-light: #a0aec0;
  --color-border: #e2e8f0;
  --color-border-dark: #cbd5e0;
  --color-surface: #ffffff;
  --color-surface-alt: #f7fafc;
  --color-success: #276749;
  --color-success-bg: #f0fff4;
  --color-warning: #975a16;
  --color-warning-bg: #fffff0;
  --color-critical: #991b1b;
  --color-critical-bg: #fff5f5;
  --color-classification-bg: #fef9e7;
  --color-classification-border: #b8860b;
  --shadow-sm: 0 1px 2px rgba(27, 54, 93, 0.05);
  --shadow-md: 0 4px 12px rgba(27, 54, 93, 0.08);
  --shadow-lg: 0 8px 24px rgba(27, 54, 93, 0.12);
  --shadow-xl: 0 16px 48px rgba(27, 54, 93, 0.15);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --container-max: 1140px;
  --container-narrow: 780px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-cream);
  line-height: 1.65;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-navy);
  margin: 0 0 var(--space-md);
}

h1 { font-size: 2.25rem; letter-spacing: -0.025em; }
h2 { font-size: 1.75rem; letter-spacing: -0.02em; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

p {
  margin: 0 0 var(--space-md);
  color: var(--color-text-secondary);
}

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

a:hover {
  color: var(--color-accent-hover);
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-navy);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  z-index: 9999;
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-navy);
  color: white;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
  outline: 2px solid white;
  outline-offset: 2px;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-navy);
  border-bottom: 3px solid var(--color-crimson);
  padding: 0 var(--space-lg);
}

.site-nav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
}

.site-nav__brand {
  font-weight: 700;
  font-size: 1rem;
  color: white;
  text-decoration: none;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.site-nav__brand:hover {
  color: rgba(255,255,255,0.9);
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.site-nav__links a {
  color: rgba(255,255,255,0.8);
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.site-nav__links a:hover,
.site-nav__links a.active {
  color: white;
  background: rgba(255,255,255,0.1);
}

.site-nav__mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-sm);
}

.classification-banner {
  background: var(--color-classification-bg);
  border-bottom: 1px solid var(--color-classification-border);
  text-align: center;
  padding: 6px var(--space-md);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.page-header {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: white;
  padding: var(--space-3xl) var(--space-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.page-header h1 {
  color: white;
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: var(--space-sm);
  position: relative;
}

.page-header .subtitle {
  color: rgba(255,255,255,0.75);
  font-size: 1.125rem;
  font-weight: 400;
  position: relative;
}

.page-header .date {
  color: rgba(255,255,255,0.5);
  font-size: 0.875rem;
  margin-top: var(--space-sm);
  position: relative;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card--clickable {
  cursor: pointer;
}

.card--clickable:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.card__body {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.stats-bar {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  padding: var(--space-xl) var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin: var(--space-xl) auto;
  max-width: var(--container-max);
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  min-width: 120px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.1;
}

.stat-value--crimson { color: var(--color-crimson); }
.stat-value--gold { color: var(--color-gold); }

.stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 20px;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: var(--font-sans);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1.4;
}

.btn--primary {
  background: var(--color-navy);
  color: white;
  border-color: var(--color-navy);
}

.btn--primary:hover {
  background: var(--color-navy-light);
  border-color: var(--color-navy-light);
  color: white;
}

.btn--secondary {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-border-dark);
}

.btn--secondary:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-navy);
}

.btn--crimson {
  background: var(--color-crimson);
  color: white;
}

.btn--crimson:hover {
  background: var(--color-crimson-light);
  color: white;
}

.btn--sm {
  padding: 6px 14px;
  font-size: 0.8125rem;
}

.btn--lg {
  padding: 14px 28px;
  font-size: 1.0625rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
  letter-spacing: 0.02em;
}

.badge--navy {
  background: rgba(27, 54, 93, 0.1);
  color: var(--color-navy);
}

.badge--crimson {
  background: rgba(139, 26, 26, 0.1);
  color: var(--color-crimson);
}

.badge--gold {
  background: rgba(184, 134, 11, 0.15);
  color: var(--color-gold);
}

.badge--success {
  background: rgba(39, 103, 73, 0.1);
  color: var(--color-success);
}

.badge--muted {
  background: rgba(113, 128, 150, 0.1);
  color: var(--color-text-muted);
}

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

.section--alt {
  background: var(--color-surface-alt);
}

.section__title {
  font-size: 1.75rem;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--color-border);
}

.section__subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.toggle-bar {
  display: inline-flex;
  background: var(--color-cream);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 2px;
}

.toggle-bar__option {
  padding: 8px 20px;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.toggle-bar__option:hover {
  color: var(--color-text);
}

.toggle-bar__option.active {
  background: var(--color-navy);
  color: white;
  box-shadow: var(--shadow-sm);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 36, 64, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 720px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
}

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

.modal__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-navy);
  margin: 0;
}

.modal__close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-xs);
  line-height: 1;
  border-radius: var(--radius-sm);
}

.modal__close:hover {
  color: var(--color-text);
  background: var(--color-cream);
}

.modal__body {
  padding: var(--space-lg);
}

.tooltip-term {
  border-bottom: 1px dashed var(--color-navy-muted);
  cursor: help;
  position: relative;
  color: var(--color-navy);
  font-weight: 500;
}

.tooltip-popup {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-navy-dark);
  color: white;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 400;
  line-height: 1.5;
  max-width: 300px;
  min-width: 200px;
  box-shadow: var(--shadow-lg);
  z-index: 500;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
  text-align: left;
}

.tooltip-popup::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--color-navy-dark);
}

.tooltip-term:hover .tooltip-popup,
.tooltip-term.active .tooltip-popup {
  opacity: 1;
  pointer-events: auto;
}

.tooltip-popup--bottom {
  bottom: auto;
  top: calc(100% + 8px);
}

.tooltip-popup--bottom::after {
  top: auto;
  bottom: 100%;
  border-top-color: transparent;
  border-bottom-color: var(--color-navy-dark);
}

@media (max-width: 600px) {
  .tooltip-popup {
    position: fixed;
    bottom: auto;
    top: auto;
    left: 16px !important;
    right: 16px;
    transform: none !important;
    max-width: none;
    min-width: 0;
    width: calc(100vw - 32px);
    z-index: 9999;
  }
  .tooltip-popup::after {
    display: none;
  }
  .tooltip-term.active .tooltip-popup {
    bottom: 20px;
    position: fixed;
  }
}

.footnote-ref {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  font-size: 0.6875rem;
  font-weight: 700;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: 50%;
  vertical-align: super;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  margin-left: 2px;
}

.footnote-ref:hover {
  background: var(--color-accent);
  color: white;
  transform: scale(1.15);
}

.progress-nav {
  position: fixed;
  top: 59px;
  left: 0;
  right: 0;
  z-index: 90;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  padding: 0 var(--space-lg);
  transform: translateY(-100%);
  transition: transform var(--transition-base);
}

.progress-nav.visible {
  transform: translateY(0);
}

.progress-nav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-height: 42px;
  overflow-x: auto;
}

.progress-nav__item {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  white-space: nowrap;
  padding: var(--space-sm) var(--space-sm);
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
}

.progress-nav__item:hover {
  color: var(--color-text);
}

.progress-nav__item.active {
  color: var(--color-navy);
  border-bottom-color: var(--color-crimson);
  font-weight: 600;
}

.grid {
  display: grid;
  gap: var(--space-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); }

.statement-link {
  display: block;
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-sm) calc(-1 * var(--space-lg));
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  position: relative;
}

.statement-link:hover {
  background: var(--color-surface-alt);
  color: inherit;
}

.statement-link::after {
  content: '\2192';
  position: absolute;
  right: var(--space-lg);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
  font-size: 1.125rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.statement-link:hover::after {
  opacity: 1;
}

.evidence-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
  border: 1px solid;
}

.evidence-tag--h1 { background: rgba(37,99,235,0.08); color: #2563eb; border-color: rgba(37,99,235,0.2); }
.evidence-tag--h2 { background: rgba(139,26,26,0.08); color: #8b1a1a; border-color: rgba(139,26,26,0.2); }
.evidence-tag--h3 { background: rgba(184,134,11,0.08); color: #b8860b; border-color: rgba(184,134,11,0.2); }
.evidence-tag--h4 { background: rgba(39,103,73,0.08); color: #276749; border-color: rgba(39,103,73,0.2); }
.evidence-tag--h5 { background: rgba(128,90,213,0.08); color: #805ad5; border-color: rgba(128,90,213,0.2); }

.confidence-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.confidence-indicator--high { color: var(--color-crimson); }
.confidence-indicator--medium { color: var(--color-gold); }
.confidence-indicator--low { color: var(--color-text-muted); }

.confidence-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.confidence-dot--high { background: var(--color-crimson); }
.confidence-dot--medium { background: var(--color-gold); }
.confidence-dot--low { background: var(--color-text-light); }

.integrity-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.integrity-badge--verified {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(39,103,73,0.2);
}

.integrity-badge--unverified {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid rgba(151,90,22,0.2);
}

.viz-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin: var(--space-md) 0;
}

.viz-container__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-md);
}

.viz-container__annotation {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
  font-style: italic;
}

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

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-navy);
  box-shadow: 0 0 0 3px rgba(27, 54, 93, 0.1);
  outline: none;
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.form-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 14px;
  font-size: 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.form-checkbox-label:hover {
  border-color: var(--color-navy);
  background: var(--color-surface-alt);
}

.form-checkbox-label input:checked + span {
  font-weight: 600;
}

.form-checkbox-label:has(input:checked) {
  border-color: var(--color-navy);
  background: rgba(27, 54, 93, 0.05);
}

.upload-zone {
  border: 2px dashed var(--color-border-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-surface-alt);
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--color-navy);
  background: rgba(27, 54, 93, 0.03);
}

.upload-zone__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
  opacity: 0.5;
}

.upload-zone__text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.upload-zone__hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

thead th {
  background: var(--color-surface-alt);
  font-weight: 600;
  color: var(--color-navy);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}

tbody td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

tbody tr:hover {
  background: var(--color-surface-alt);
}

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

.track-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  color: var(--color-text-muted);
}

.empty-state__icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  opacity: 0.4;
}

.empty-state__text {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-xl) 0;
}

.text-navy { color: var(--color-navy); }
.text-crimson { color: var(--color-crimson); }
.text-gold { color: var(--color-gold); }
.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }
.font-mono { font-family: var(--font-mono); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-md { margin-top: var(--space-md); }
.mb-md { margin-bottom: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-xl { margin-bottom: var(--space-xl); }

:root.theme-dark {
  --color-cream: #0f2440;
  --color-paper: #162d4a;
  --color-surface: #1b365d;
  --color-surface-alt: #1e3a63;
  --color-text: #e2e8f0;
  --color-text-secondary: #cbd5e0;
  --color-text-muted: #a0aec0;
  --color-text-light: #718096;
  --color-border: #2d4a6f;
  --color-border-dark: #3d5a7f;
  --color-accent: #60a5fa;
  --color-accent-hover: #93c5fd;
  --color-accent-light: rgba(96, 165, 250, 0.2);
}