/* ============================================
   TELEPEAJE BOLIVIA — Design System
   Mockup demostrativo no oficial
   Round 2 — Visual polish + new components
   ============================================ */

/* --- Design Tokens --- */
:root {
  /* Spacing — 8pt grid */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;

  /* Typography */
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 20px;
  --text-xl: 24px;
  --text-2xl: 32px;
  --text-3xl: 48px;

  /* Colors — Government blue primary */
  --color-primary: #1B3A6B;
  --color-primary-dark: #12284A;
  --color-primary-light: #2A5298;
  --color-accent-green: #1A8754;
  --color-accent-green-light: #D4EDDA;
  --color-warning: #D4920B;
  --color-warning-light: #FFF3CD;
  --color-danger: #C0392B;
  --color-danger-light: #F8D7DA;
  --color-info: #2A7AB5;
  --color-info-light: #D6EAF8;

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-gray-50: #F8F9FA;
  --color-gray-100: #F1F3F5;
  --color-gray-200: #E9ECEF;
  --color-gray-300: #DEE2E6;
  --color-gray-400: #ADB5BD;
  --color-gray-500: #868E96;
  --color-gray-600: #6C757D;
  --color-gray-700: #495057;
  --color-gray-800: #343A40;
  --color-gray-900: #212529;

  /* Semantic */
  --color-bg: var(--color-gray-100);
  --color-surface: var(--color-white);
  --color-surface-raised: var(--color-white);
  --color-surface-overlay: var(--color-white);
  --color-text-primary: var(--color-gray-900);
  --color-text-secondary: var(--color-gray-600);
  --color-border: var(--color-gray-300);

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

  /* Shadows — 3-stop elevation scale */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 2px 4px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg: 0 4px 6px rgba(0,0,0,0.07), 0 10px 24px rgba(0,0,0,0.12), 0 16px 40px rgba(0,0,0,0.08);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1B3A6B 0%, #2A5298 100%);
  --gradient-primary-subtle: linear-gradient(135deg, #1B3A6B 0%, #2A5298 60%);

  /* Hairline */
  --border-hairline: 1px solid rgba(0,0,0,0.08);

  /* z-index */
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-modal:    300;
  --z-toast:    400;
}

    /* --- Citizen Dark Mode (data-theme on <html>) --- */
    html[data-theme="dark"] {
      /* Surfaces */
      --color-bg: #0D1520;
      --color-surface: #151F2B;
      --color-surface-raised: #1A2736;
      --color-surface-overlay: #1E2D3D;
      /* Text */
      --color-text-primary: #E8ECF0;
      --color-text-secondary: #8B9AB5;
      /* Borders */
      --color-border: #263545;
      /* Primary */
      --color-primary: #4A90D9;
      --color-primary-dark: #3A7BC8;
      --color-primary-light: #5BA0E8;
      /* Accents */
      --color-accent-green: #2ECC71;
      --color-accent-green-light: rgba(46,204,113,0.15);
      --color-warning: #F0C75E;
      --color-warning-light: rgba(240,199,94,0.15);
      --color-danger: #E74C3C;
      --color-danger-light: rgba(231,76,60,0.15);
      --color-info: #5BA0E8;
      --color-info-light: rgba(91,160,232,0.15);
      /* Neutrals */
      --color-gray-50: #0D1520;
      --color-gray-100: #151F2B;
      --color-gray-200: #1A2736;
      --color-gray-300: #263545;
      --color-gray-400: #495563;
      --color-gray-500: #6B7A8D;
      --color-gray-600: #8B9AB5;
      --color-gray-700: #B0BEC5;
      --color-gray-800: #1A2736;
      --color-gray-900: #E8ECF0;
      --color-white: #FFFFFF;
      /* Shadows */
      --shadow-sm: 0 1px 2px rgba(0,0,0,0.25), 0 1px 3px rgba(0,0,0,0.30);
      --shadow-md: 0 2px 4px rgba(0,0,0,0.30), 0 4px 12px rgba(0,0,0,0.40);
      --shadow-lg: 0 4px 6px rgba(0,0,0,0.30), 0 10px 24px rgba(0,0,0,0.45), 0 16px 40px rgba(0,0,0,0.25);
      /* Gradients */
      --gradient-primary: linear-gradient(135deg, #12284A 0%, #1A3660 100%);
      --gradient-primary-subtle: linear-gradient(135deg, #12284A 0%, #1A3660 60%);
      /* Hairline */
      --border-hairline: 1px solid rgba(255,255,255,0.06);
    }

    /* --- Dark Theme (Operator Dashboard — body.dark) --- */
    .dark {
  --color-bg: #0D1520;
  --color-surface: #151F2B;
  --color-surface-raised: #1A2736;
  --color-surface-overlay: #1E2D3D;
  --color-text-primary: #E8ECF0;
  --color-text-secondary: #8B9AB5;
  --color-border: #263545;
  --color-primary: #4A90D9;
  --color-primary-light: #5BA0E8;
  --color-info: #5BA0E8;
  --color-info-light: rgba(91,160,232,0.15);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.25), 0 1px 3px rgba(0,0,0,0.30);
  --shadow-md: 0 2px 4px rgba(0,0,0,0.30), 0 4px 12px rgba(0,0,0,0.40);
  --shadow-lg: 0 4px 6px rgba(0,0,0,0.30), 0 10px 24px rgba(0,0,0,0.45), 0 16px 40px rgba(0,0,0,0.25);
  --gradient-primary: linear-gradient(135deg, #12284A 0%, #1A3660 100%);
  --gradient-primary-subtle: linear-gradient(135deg, #12284A 0%, #1A3660 60%);
  --border-hairline: 1px solid rgba(255,255,255,0.06);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-bg);
}

h1, .h1 { font-size: var(--text-2xl); font-weight: 700; line-height: 1.15; letter-spacing: -0.01em; }
h2, .h2 { font-size: var(--text-xl); font-weight: 600; line-height: 1.25; letter-spacing: -0.005em; }
h3, .h3 { font-size: var(--text-lg); font-weight: 600; line-height: 1.35; }
h4, .h4 { font-size: var(--text-base); font-weight: 600; line-height: 1.4; }

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

img, svg { max-width: 100%; height: auto; }

/* --- Accessibility: Focus --- */
:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.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;
}

/* Skip link */
.skip-link {
  position: absolute; top: -100%; left: var(--space-4);
  background: var(--color-primary); color: var(--color-white);
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-sm);
  z-index: var(--z-toast); font-size: var(--text-sm); font-weight: 600;
}
.skip-link:focus { top: var(--space-4); text-decoration: none; }

/* --- Header --- */
.site-header {
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
}

.site-header__brand svg { flex-shrink: 0; }

.site-header nav { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.site-header nav a {
  color: rgba(255,255,255,0.85);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.site-header nav a:hover,
.site-header nav a[aria-current="page"] {
  background: rgba(255,255,255,0.15);
  color: var(--color-white);
  text-decoration: none;
}
.site-header nav a:focus-visible {
  outline-color: rgba(255,255,255,0.8);
}

/* --- Footer --- */
.site-footer {
  background: var(--color-gray-800);
  color: rgba(255,255,255,0.7);
  padding: var(--space-6);
  text-align: center;
  font-size: var(--text-xs);
  line-height: 1.7;
}
.site-footer a { color: rgba(255,255,255,0.9); }
.dark .site-footer, html[data-theme="dark"] .site-footer { background: #0A1118; }

/* --- Container --- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card-body { padding: var(--space-6); }

.card--hero {
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.card--hero:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast),
              box-shadow var(--transition-fast), transform var(--transition-fast),
              border-color var(--transition-fast);
  line-height: 1.4;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-primary:hover { background: var(--color-primary-dark); box-shadow: var(--shadow-md); }

.btn-success {
  background: var(--color-accent-green);
  color: var(--color-white);
}
.btn-success:hover { background: #15703F; box-shadow: var(--shadow-md); }

.btn-warning {
  background: var(--color-warning);
  color: var(--color-white);
}
.btn-warning:hover { box-shadow: var(--shadow-md); }

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

.btn-lg { padding: var(--space-3) var(--space-6); font-size: var(--text-base); }

.btn:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
  line-height: 1.3;
}
.badge--green { background: var(--color-accent-green-light); color: #155724; }
.badge--amber { background: var(--color-warning-light); color: #856404; }
.badge--red { background: var(--color-danger-light); color: #721C24; }
.badge--blue { background: #D1ECF1; color: #0C5460; }
.badge--info { background: var(--color-info-light); color: #1A5276; }
.badge--gray { background: var(--color-gray-200); color: var(--color-gray-700); }

.dark .badge--green, html[data-theme="dark"] .badge--green { background: rgba(26,135,84,0.2); color: #6FCF97; }
.dark .badge--amber, html[data-theme="dark"] .badge--amber { background: rgba(212,146,11,0.2); color: #F0C75E; }
.dark .badge--red, html[data-theme="dark"] .badge--red { background: rgba(192,57,43,0.2); color: #F1948A; }
.dark .badge--blue, html[data-theme="dark"] .badge--blue { background: rgba(42,122,181,0.2); color: #85C1E9; }
.dark .badge--info, html[data-theme="dark"] .badge--info { background: var(--color-info-light); color: #85C1E9; }
.dark .badge--gray, html[data-theme="dark"] .badge--gray { background: rgba(139,154,181,0.15); color: #8B9AB5; }

/* --- Tables --- */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.table th, .table td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
.table th {
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  background: var(--color-gray-50);
  position: sticky;
  top: 0;
}
.dark .table th, html[data-theme="dark"] .table th { background: #152030; }

.table tbody tr {
  transition: background var(--transition-fast);
}
.table tbody tr:hover { background: rgba(27,58,107,0.04); }
.dark .table tbody tr:hover, html[data-theme="dark"] .table tbody tr:hover { background: rgba(74,144,217,0.08); }

.table td.tabular { font-variant-numeric: tabular-nums; }

/* --- KPI Cards --- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.kpi-card:hover {
  box-shadow: var(--shadow-md);
}
.kpi-card__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
}
.kpi-card__value {
  font-size: var(--text-2xl);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.kpi-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
}

/* --- Phone Frame --- */
.phone-frame {
  width: 280px;
  min-height: 560px;
  background: var(--color-surface);
  border: 3px solid var(--color-gray-300);
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: relative;
}
.phone-frame__notch {
  width: 120px;
  height: 24px;
  background: var(--color-gray-300);
  border-radius: 0 0 14px 14px;
  margin: 0 auto;
}
.phone-frame__screen {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-3);
}
.phone-frame__statusbar {
  display: flex;
  justify-content: space-between;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}
.phone-frame__navbar {
  display: flex;
  justify-content: space-around;
  border-top: 1px solid var(--color-border);
  padding: var(--space-2) 0;
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}
.phone-frame__navbar span {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.phone-frame__navbar span strong {
  color: var(--color-primary);
}

/* --- Section spacing --- */
.section { padding: var(--space-8) 0; }
.section + .section { padding-top: 0; }

.section-title {
  margin-bottom: var(--space-6);
}

/* --- Grid helpers --- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.grid-phones {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
}

/* --- Forms --- */
.form-group { margin-bottom: var(--space-4); }
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.form-input,
.form-select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus,
.form-select:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(27,58,107,0.15);
}

/* --- Horizontal nav cards (index hub) --- */
.nav-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
}
.nav-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
  text-decoration: none;
  color: var(--color-text-primary);
}
.nav-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  text-decoration: none;
}
.nav-card:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
}
.nav-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-card__title { font-size: var(--text-lg); font-weight: 700; }
.nav-card__desc { font-size: var(--text-sm); color: var(--color-text-secondary); }

/* --- Info box --- */
.info-box {
  background: var(--color-gray-50);
  border-left: 4px solid var(--color-primary);
  padding: var(--space-4) var(--space-6);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--space-4) 0;
  font-size: var(--text-sm);
}
.dark .info-box, html[data-theme="dark"] .info-box { background: rgba(74,144,217,0.08); }

/* --- Dashboard incident feed --- */
.feed-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
  transition: background var(--transition-fast);
}
.feed-item:hover { background: rgba(74,144,217,0.04); }
.feed-item:last-child { border-bottom: none; }
.feed-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
}
.feed-dot--red { background: var(--color-danger); }
.feed-dot--amber { background: var(--color-warning); }
.feed-dot--green { background: var(--color-accent-green); }
.feed-dot--blue { background: var(--color-info); }

/* --- Bar chart (CSS only) --- */
.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 140px;
  padding-top: var(--space-2);
}
.bar-chart__col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.bar-chart__bar {
  width: 100%;
  max-width: 32px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: height var(--transition-slow);
}
.bar-chart__label {
  font-size: 10px;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

/* --- SVG sign figures --- */
.sign-figure {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.sign-figure figcaption {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-align: center;
}

/* --- Empty State --- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  text-align: center;
}
.empty-state__icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-4);
  color: var(--color-gray-400);
}
.dark .empty-state__icon, html[data-theme="dark"] .empty-state__icon { color: var(--color-gray-500); }
.empty-state__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}
.empty-state__hint {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  max-width: 360px;
}

/* --- Toast / Notification --- */
.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-raised, var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  min-width: 280px;
  max-width: 420px;
  opacity: 0;
  transform: translateX(100%);
  animation: toast-in var(--transition-slow) forwards;
}
.toast--success { border-left: 4px solid var(--color-accent-green); }
.toast--warning { border-left: 4px solid var(--color-warning); }
.toast--danger  { border-left: 4px solid var(--color-danger); }
.toast--info    { border-left: 4px solid var(--color-info); }
.toast--exit {
  animation: toast-out var(--transition-base) forwards;
}
.toast__close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  line-height: 1;
  transition: color var(--transition-fast);
}
.toast__close:hover { color: var(--color-text-primary); }
.toast__close:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 1px;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(100%); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(100%); }
}

/* --- Modal --- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}
.modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}
.modal-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 560px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(12px) scale(0.98);
  transition: transform var(--transition-base);
}
.modal-backdrop.is-open .modal-panel {
  transform: translateY(0) scale(1);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}
.modal-header h2,
.modal-header h3 {
  margin: 0;
}
.modal-close {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  font-size: var(--text-xl);
  line-height: 1;
  transition: color var(--transition-fast);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-close:hover { color: var(--color-text-primary); }
.modal-close:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 1px;
}
.modal-body {
  padding: var(--space-6);
}
.modal-footer {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
}

/* --- Tabs --- */
.tabs {
  display: flex;
  flex-direction: column;
}
.tablist {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-border);
}
.tab {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}
.tab:hover { color: var(--color-text-primary); }
.tab[aria-selected="true"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.tab:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: -2px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.tabpanel {
  padding: var(--space-6) 0;
}
.tabpanel[hidden] {
  display: none;
}

/* --- Switch (toggle) --- */
.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}
.switch__input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.switch__track {
  width: 44px;
  height: 24px;
  background: var(--color-gray-300);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
  flex-shrink: 0;
}
.switch__thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}
.switch__input:checked + .switch__track {
  background: var(--color-primary);
}
.switch__input:checked + .switch__track .switch__thumb {
  transform: translateX(20px);
}
.switch__input:focus-visible + .switch__track {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
}
.switch__label {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
}

/* --- Skeleton loading --- */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 25%,
    var(--color-gray-100) 50%,
    var(--color-gray-200) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}
.dark .skeleton, html[data-theme="dark"] .skeleton {
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.06) 25%,
    rgba(255,255,255,0.10) 50%,
    rgba(255,255,255,0.06) 75%
  );
  background-size: 200% 100%;
}
.skeleton--text {
  height: 1em;
  width: 100%;
}
.skeleton--text-sm {
  height: 0.75em;
  width: 60%;
}
.skeleton--circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}
.skeleton--rect {
  height: 120px;
  width: 100%;
}

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

/* --- Utilities --- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-secondary { color: var(--color-text-secondary); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

    /* --- Theme Toggle Button --- */
    .theme-toggle {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      padding: 0;
      background: rgba(255,255,255,0.1);
      border: 2px solid transparent;
      border-radius: var(--radius-sm);
      color: rgba(255,255,255,0.85);
      cursor: pointer;
      transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
      flex-shrink: 0;
    }
    .theme-toggle:hover {
      background: rgba(255,255,255,0.2);
      color: var(--color-white);
    }
    .theme-toggle:focus-visible {
      outline: 3px solid rgba(255,255,255,0.8);
      outline-offset: 2px;
    }
    .theme-toggle svg {
      width: 20px;
      height: 20px;
      fill: none;
      stroke: currentColor;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
    }
    .theme-toggle__icon--moon { display: none; }
    html[data-theme="dark"] .theme-toggle__icon--sun { display: none; }
    html[data-theme="dark"] .theme-toggle__icon--moon { display: block; }

    /* --- Live Dashboard Animations --- */
    .kpi-card__value[data-live] {
      transition: color 0.3s ease;
    }
    .feed-item--entering {
      animation: feed-slide-in 0.4s ease-out;
    }
    @keyframes feed-slide-in {
      from { opacity: 0; transform: translateY(-8px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .lane-flash {
      animation: lane-highlight 1.2s ease-out;
    }
    @keyframes lane-highlight {
      0%   { background: rgba(74,144,217,0.25); }
      100% { background: transparent; }
    }
    .bar-chart__bar--pulse {
      animation: bar-pulse 2s ease-in-out infinite;
    }
    @keyframes bar-pulse {
      0%, 100% { opacity: 1; }
      50%      { opacity: 0.7; }
    }
    .demo-badge {
      display: inline-flex;
      align-items: center;
      gap: var(--space-1);
      padding: var(--space-1) var(--space-2);
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: var(--radius-sm);
      font-size: 10px;
      font-weight: 600;
      color: rgba(255,255,255,0.5);
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }

    /* --- Responsive --- */
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .nav-cards { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-phones { flex-direction: column; align-items: center; }
  .phone-frame { width: 260px; min-height: 520px; }
  .toast-container { left: var(--space-4); right: var(--space-4); }
  .toast { min-width: auto; max-width: 100%; }
  .modal-backdrop { padding: var(--space-3); }
  .modal-panel { max-height: 90vh; }
  .tablist { overflow-x: auto; -webkit-overflow-scrolling: touch; }
}

@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .site-header { padding: var(--space-3) var(--space-4); }
  .container { padding: 0 var(--space-4); }
}

/* --- 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;
  }
  .feed-item--entering { animation: none; }
  .lane-flash { animation: none; }
  .bar-chart__bar--pulse { animation: none; }
}

/* ============================================
   SISTEMA DE PEAJE — Lote 1
   Hub de niveles · Operación de carril (Nivel 1)
   ============================================ */

/* --- Badges de nivel --- */
.badge--n1 { background: var(--color-info-light); color: #1A5276; }
.badge--n2 { background: #E8DAEF; color: #5B2C6F; }
.badge--n3 { background: var(--color-accent-green-light); color: #155724; }
.badge--pub { background: var(--color-warning-light); color: #856404; }

.dark .badge--n1, html[data-theme="dark"] .badge--n1 { background: rgba(42,122,181,0.20); color: #85C1E9; }
.dark .badge--n2, html[data-theme="dark"] .badge--n2 { background: rgba(142,68,173,0.22); color: #C9A0DC; }
.dark .badge--n3, html[data-theme="dark"] .badge--n3 { background: rgba(26,135,84,0.20); color: #6FCF97; }
.dark .badge--pub, html[data-theme="dark"] .badge--pub { background: rgba(212,146,11,0.20); color: #F0C75E; }

/* --- Encabezado de sección de nivel --- */
.level-heading {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
}
.level-heading__num {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.level-heading__title { font-size: var(--text-xl); font-weight: 700; }
.level-heading__sub { font-size: var(--text-sm); color: var(--color-text-secondary); }
.section-anchor { scroll-margin-top: 96px; }

/* --- Banner de datos de demostración --- */
.demo-banner {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-warning-light);
  color: #856404;
  border: 1px solid rgba(212,146,11,0.40);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
}
.dark .demo-banner, html[data-theme="dark"] .demo-banner {
  background: rgba(212,146,11,0.15);
  color: #F0C75E;
  border-color: rgba(240,199,94,0.35);
}

/* --- Barra de estado del carril --- */
.console-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.console-item {
  background: var(--color-surface-raised, var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}
.console-item__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}
.console-item__value { font-size: var(--text-base); font-weight: 700; font-variant-numeric: tabular-nums; }
.console-item__value--lg { font-size: var(--text-lg); }

/* --- Señales conmutables del carril --- */
.lane-signals {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-3);
}
.lane-signal {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  width: 100%;
  padding: var(--space-3);
  background: var(--color-surface-raised, var(--color-surface));
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}
.lane-signal:hover { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }
.lane-signal:focus-visible { outline: 3px solid var(--color-primary-light); outline-offset: 2px; }
.lane-signal__icon { width: 40px; height: 40px; }
.lane-signal__name {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
}
.lane-signal__state { font-size: var(--text-sm); font-weight: 700; }
.lane-signal--stop { border-color: var(--color-danger); }
.lane-signal--stop .lane-signal__icon,
.lane-signal--stop .lane-signal__state { color: var(--color-danger); }
.lane-signal--go { border-color: var(--color-accent-green); }
.lane-signal--go .lane-signal__icon,
.lane-signal--go .lane-signal__state { color: var(--color-accent-green); }
.lane-signal--neutral { border-color: var(--color-border); }
.lane-signal--neutral .lane-signal__icon { color: var(--color-text-secondary); }

/* --- Punto de estado --- */
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.status-dot--on { background: var(--color-accent-green); }
.status-dot--off { background: var(--color-gray-400); }
.status-dot--warn { background: var(--color-warning); }
.status-dot--err { background: var(--color-danger); }

/* --- Lista de dispositivos --- */
.device-list { display: flex; flex-direction: column; }
.device-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
}
.device-row:last-child { border-bottom: none; }
.device-row:hover { background: rgba(74,144,217,0.05); }
.device-row__icon { width: 28px; height: 28px; flex-shrink: 0; color: var(--color-text-secondary); }
.device-row__main { flex: 1; min-width: 0; }
.device-row__name { font-weight: 600; }
.device-row__meta { font-size: var(--text-xs); color: var(--color-text-secondary); }
.device-row__action { margin-left: auto; flex-shrink: 0; }

/* --- Panel operativo --- */
.panel {
  background: var(--color-surface-raised, var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.panel-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.panel-title { font-size: var(--text-sm); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.panel-body { padding: var(--space-4); }

/* --- Botones de categorización --- */
.category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--space-3); }
.category-btn {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
  text-align: left;
  padding: var(--space-3);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.category-btn:hover { border-color: var(--color-primary); }
.category-btn[aria-pressed="true"] { border-color: var(--color-primary); background: var(--color-info-light); }
.category-btn:focus-visible { outline: 3px solid var(--color-primary-light); outline-offset: 2px; }
.category-btn__code { font-size: var(--text-xs); font-weight: 700; color: var(--color-primary); }
.category-btn__desc { font-size: var(--text-xs); color: var(--color-text-secondary); }

/* --- Comprobante de retiro de efectivo (2 copias) --- */
.sign-copy {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: var(--color-surface);
}
.sign-copy__title { font-weight: 700; font-size: var(--text-sm); margin-bottom: var(--space-2); }
.sign-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); margin-top: var(--space-6); }
.sign-line {
  border-top: 1px solid var(--color-text-secondary);
  padding-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-align: center;
}

/* --- Placa vehicular --- */
.plate {
  display: inline-block;
  background: #F8F9FA;
  color: #212529;
  border: 2px solid #343A40;
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-3);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-weight: 700;
  letter-spacing: 0.12em;
}

/* --- Tile de video / grabación (placeholder) --- */
.media-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-4); }
.media-tile {
  position: relative;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2A3441 0%, #10161F 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-gray-500);
  overflow: hidden;
}
.media-tile__rec {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 10px;
  font-weight: 700;
  color: #F1948A;
  letter-spacing: 0.06em;
}
.media-tile__rec::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #E74C3C; }
.media-tile__time {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 10px;
  color: rgba(255,255,255,0.75);
}
.media-tile__label {
  position: absolute;
  bottom: var(--space-2);
  left: var(--space-2);
  right: var(--space-2);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.85);
}

/* --- Lista de alarmas --- */
.alarm-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
}
.alarm-item:last-child { border-bottom: none; }
.alarm-item__time { flex-shrink: 0; font-size: var(--text-xs); color: var(--color-text-secondary); font-variant-numeric: tabular-nums; }

/* --- Callout informativo --- */
.callout {
  border-left: 4px solid var(--color-info);
  background: var(--color-info-light);
  padding: var(--space-3) var(--space-4);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: var(--text-sm);
}
.callout--warn { border-color: var(--color-warning); background: var(--color-warning-light); }
.dark .callout, html[data-theme="dark"] .callout { background: rgba(42,122,181,0.12); }
.dark .callout--warn, html[data-theme="dark"] .callout--warn { background: rgba(212,146,11,0.12); }

/* --- Rejilla de especificaciones --- */
.spec-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}
.spec-grid dt { font-weight: 600; color: var(--color-text-secondary); }
.spec-grid dd { margin: 0; }

/* --- Layout 2:1 (consola de carril) --- */
.layout-2-1 {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
}

@media (max-width: 900px) {
  .layout-2-1 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sign-row { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr; gap: var(--space-1); }
  .spec-grid dt { margin-top: var(--space-2); }
}

/* ============================================
   SISTEMA DE PEAJE — Lote 2
   Nivel 2 (Estación): liquidación, bolsas, monitoreo
   ============================================ */

/* --- Callout de pérdida / peligro --- */
.callout--danger {
  border-color: var(--color-danger);
  background: var(--color-danger-light);
}
.dark .callout--danger,
html[data-theme="dark"] .callout--danger { background: rgba(192,57,43,0.12); }

/* --- Puntos de estado adicionales --- */
.status-dot--info { background: var(--color-info); }
.status-dot--muted { background: var(--color-gray-400); }

/* --- Máquina de estados del turno --- */
.state-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}
.state-flow__step {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
}
.state-flow__step--open      { border-color: var(--color-info);            background: var(--color-info-light);           color: #1A5276; }
.state-flow__step--closed    { border-color: var(--color-warning);         background: var(--color-warning-light);        color: #856404; }
.state-flow__step--confirmed { border-color: var(--color-accent-green);    background: var(--color-accent-green-light);   color: #155724; }
.state-flow__step--validated { border-color: #5B2C6F;                      background: #E8DAEF;                           color: #5B2C6F; }
.state-flow__step--error     { border-color: var(--color-danger);          background: var(--color-danger-light);         color: #721C24; }
.state-flow__step.is-current { box-shadow: 0 0 0 3px rgba(74,144,217,0.30); }
.state-flow__arrow { color: var(--color-text-secondary); font-weight: 700; }

.dark .state-flow__step--open,      html[data-theme="dark"] .state-flow__step--open      { background: rgba(42,122,181,0.20);  color: #85C1E9; }
.dark .state-flow__step--closed,    html[data-theme="dark"] .state-flow__step--closed    { background: rgba(212,146,11,0.20);  color: #F0C75E; }
.dark .state-flow__step--confirmed, html[data-theme="dark"] .state-flow__step--confirmed { background: rgba(26,135,84,0.20);   color: #6FCF97; }
.dark .state-flow__step--validated, html[data-theme="dark"] .state-flow__step--validated { background: rgba(142,68,173,0.22);  color: #C9A0DC; }
.dark .state-flow__step--error,     html[data-theme="dark"] .state-flow__step--error     { background: rgba(192,57,43,0.20);   color: #F1948A; }

/* --- Leyenda de colores --- */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}
.legend__item { display: inline-flex; align-items: center; gap: var(--space-2); }

/* --- Barra de filtros --- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: flex-end;
}
.filter-bar .form-group { margin-bottom: 0; }

/* --- Ritmo vertical --- */
.stack > * + * { margin-top: var(--space-4); }
.stack-sm > * + * { margin-top: var(--space-2); }

/* --- Fila de total monetario --- */
.money-total {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-sm);
  font-weight: 700;
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
  font-variant-numeric: tabular-nums;
}

/* --- Miniatura de evidencia fotográfica --- */
.photo-thumb {
  width: 64px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2A3441 0%, #10161F 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-gray-500);
  cursor: pointer;
  padding: 0;
}
.photo-thumb:hover { border-color: var(--color-primary); color: var(--color-text-primary); }
.photo-thumb:focus-visible { outline: 3px solid var(--color-primary-light); outline-offset: 2px; }
.photo-thumb svg { width: 22px; height: 22px; }

/* ============================================
   SISTEMA DE PEAJE — Lote 3
   Nivel 3 (Centro de Datos): configuración,
   usuarios/roles y auditoría
   ============================================ */

/* --- Primera columna enfatizada en matrices --- */
.matrix-first { font-weight: 600; white-space: nowrap; }

/* --- Transferencia de permisos (dos listas) --- */
.perm-transfer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-3);
  align-items: stretch;
}
.perm-list {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  max-height: 320px;
  overflow-y: auto;
  padding: var(--space-2);
}
.perm-list__head {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--color-surface);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  padding: var(--space-1) var(--space-2) var(--space-2);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-1);
}
.perm-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  cursor: pointer;
}
.perm-item:hover { background: rgba(27,58,107,0.05); }
.dark .perm-item:hover, html[data-theme="dark"] .perm-item:hover { background: rgba(74,144,217,0.08); }
.perm-item input { flex-shrink: 0; }
.perm-actions {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-2);
}

/* --- Código de anomalía --- */
.code-chip {
  display: inline-block;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: var(--text-xs);
  font-weight: 700;
  background: var(--color-gray-100);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px var(--space-2);
  font-variant-numeric: tabular-nums;
}
.dark .code-chip, html[data-theme="dark"] .code-chip { background: var(--color-gray-200); }

@media (max-width: 768px) {
  .perm-transfer { grid-template-columns: 1fr; }
  .perm-actions { flex-direction: row; justify-content: center; }
}