/* ==========================================================================
   ESTILOS DE LA GUÍA LEGAL, TRIBUTARIA Y BLINDAJE EN SOFTWARE (SENA ADSO)
   Paleta Institucional: Verde SENA (#39A900), Slate Navy (#0F172A), DIAN Gold (#F59E0B)
   ========================================================================== */

:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #131b2e;
  --bg-tertiary: #1c2742;
  --bg-card: rgba(26, 38, 64, 0.7);
  --bg-input: #0f1626;

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  --color-sena: #39a900;
  --color-sena-hover: #2e8800;
  --color-sena-light: rgba(57, 169, 0, 0.15);

  --color-blue: #3b82f6;
  --color-blue-dark: #1d4ed8;
  --color-blue-light: rgba(59, 130, 246, 0.15);

  --color-amber: #f59e0b;
  --color-amber-light: rgba(245, 158, 11, 0.15);

  --color-red: #ef4444;
  --color-red-light: rgba(239, 68, 68, 0.15);

  --color-green: #10b981;
  --color-green-light: rgba(16, 185, 129, 0.15);

  --border-color: rgba(148, 163, 184, 0.15);
  --border-color-focus: #39a900;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);

  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-input: #f8fafc;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-subtle: #94a3b8;

  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.06);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* Layout General */
.app-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Barra de Lectura */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background-color: transparent;
  width: 100%;
  z-index: 1000;
}
.reading-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-sena), var(--color-blue), var(--color-amber));
  transition: width 0.1s ease;
}

/* Header */
.app-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 900;
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sena-logo-badge {
  background-color: var(--color-sena);
  color: #ffffff;
  font-weight: 800;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  letter-spacing: 1px;
}

.header-title-group h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}
.header-title-group p {
  font-size: 0.825rem;
  color: var(--text-muted);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.xp-badge {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.xp-badge strong {
  color: var(--color-amber);
}

/* Navegación por Pestañas */
.nav-tabs-wrapper {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  white-space: nowrap;
}

.nav-tabs {
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem 0;
}

.nav-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-tab-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-main);
}

.nav-tab-btn.is-active {
  background-color: var(--color-sena-light);
  color: var(--color-sena);
  border: 1px solid rgba(57, 169, 0, 0.3);
}

/* Contenedor de Pestañas */
.tab-content {
  padding: 2.5rem 0 5rem 0;
}

.tab-pane {
  display: none;
}

.tab-pane.is-active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero Section */
.hero-box {
  background: linear-gradient(135deg, rgba(57, 169, 0, 0.08), rgba(59, 130, 246, 0.08));
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 2.5rem;
}

.hero-box h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 900px;
  margin-bottom: 1.5rem;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
}
.stat-card strong {
  display: block;
  font-size: 1.8rem;
  color: var(--color-sena);
  margin-bottom: 0.25rem;
}
.stat-card span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Grids y Tarjetas */
.section-header {
  margin-bottom: 2rem;
}
.section-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.section-header p {
  color: var(--text-muted);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.5rem;
}

/* Tarjeta de Ley */
.law-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.law-card:hover {
  transform: translateY(-3px);
  border-color: rgba(57, 169, 0, 0.4);
}

.law-card__code {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-sena);
  margin-top: 0.5rem;
}
.law-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
}
.law-card__summary {
  font-size: 0.925rem;
  color: var(--text-muted);
}

.law-card__articles {
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  padding: 1rem;
}
.law-card__articles h5 {
  font-size: 0.85rem;
  color: var(--color-amber);
  margin-bottom: 0.5rem;
}
.law-card__articles ul {
  padding-left: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.law-card__articles li {
  margin-bottom: 0.4rem;
}

.law-card__protection, .law-card__penalties {
  font-size: 0.85rem;
  border-left: 3px solid;
  padding: 0.75rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.law-card__protection {
  background-color: var(--color-green-light);
  border-color: var(--color-green);
}
.protection-tag {
  font-weight: 700;
  color: var(--color-green);
  display: block;
  margin-bottom: 0.25rem;
}

.law-card__penalties {
  background-color: var(--color-red-light);
  border-color: var(--color-red);
}
.penalty-tag {
  font-weight: 700;
  color: var(--color-red);
  display: block;
  margin-bottom: 0.25rem;
}

/* Tarjeta de Casos Judiciales */
.case-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
}
.case-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.case-expediente, .case-year {
  font-size: 0.825rem;
  color: var(--text-subtle);
  font-family: var(--font-mono);
}
.case-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}
.case-norm {
  font-size: 0.9rem;
  color: var(--color-amber);
  margin-bottom: 1rem;
}
.case-ruling {
  background-color: var(--color-blue-light);
  border-left: 4px solid var(--color-blue);
  padding: 1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1rem 0;
}
.case-quote {
  font-style: italic;
  color: var(--text-muted);
  border-left: 3px solid var(--border-color);
  padding-left: 1rem;
  margin: 1rem 0;
}
.case-takeaway {
  background-color: var(--color-sena-light);
  border-left: 4px solid var(--color-sena);
  padding: 1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 1rem;
}

/* Simuladores: Grids y Componentes */
.sim-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 900px) {
  .sim-grid {
    grid-template-columns: 1fr;
  }
}

.sim-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}
.sim-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.sim-form-group {
  margin-bottom: 1.25rem;
}
.sim-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}
.sim-input, .sim-select {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: border-color 0.2s ease;
}
.sim-input:focus, .sim-select:focus {
  outline: none;
  border-color: var(--border-color-focus);
}

.package-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  max-height: 380px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.package-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.2s;
}
.package-item.is-selected {
  border-color: var(--color-sena);
}
.package-item__info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.verdict-box {
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 1rem;
}
.verdict-desc {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-main);
}

.status-badge {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
}
.status-badge--success { background-color: var(--color-green); color: #fff; }
.status-badge--warning { background-color: var(--color-amber); color: #000; }
.status-badge--danger { background-color: var(--color-red); color: #fff; }

/* Tabla de Desglose Tributario */
.breakdown-table {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
  padding: 0.35rem 0;
  border-bottom: 1px dashed var(--border-color);
}
.breakdown-row.is-total {
  font-size: 1.1rem;
  border-bottom: 2px solid var(--border-color);
  padding-top: 0.5rem;
}
.breakdown-row.is-net {
  font-size: 1.2rem;
  background-color: var(--color-green-light);
  border: 1px solid var(--color-green);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  margin-top: 0.5rem;
}
.breakdown-separator {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-amber);
  margin-top: 0.5rem;
}

.tax-insight-box {
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: 1.25rem;
  font-size: 0.9rem;
}
.tax-insight-tag {
  font-weight: 800;
  color: var(--color-amber);
  display: block;
  margin-bottom: 0.35rem;
}

/* Factura Electrónica Simulada */
.invoice-sim-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}
.invoice-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}
.mock-invoice {
  background-color: #ffffff;
  color: #0f172a;
  padding: 2rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  border: 1px solid #cbd5e1;
}
.mock-invoice__top {
  display: flex;
  justify-content: space-between;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}
.mock-invoice__cufe {
  background-color: #f1f5f9;
  border: 1px solid #cbd5e1;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  word-break: break-all;
  margin-bottom: 1rem;
}
.invoice-items-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}
.invoice-items-table th, .invoice-items-table td {
  border-bottom: 1px solid #e2e8f0;
  padding: 0.65rem;
  text-align: left;
}
.mock-invoice__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
  border-top: 2px solid #e2e8f0;
  padding-top: 1rem;
}
.qr-graphic {
  background: #000;
  color: #fff;
  font-family: monospace;
  font-size: 0.65rem;
  padding: 0.35rem;
  line-height: 1;
  width: fit-content;
}

/* Código y XML */
.code-block, .xml-viewer pre {
  background-color: #0d1117;
  color: #e6edf3;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  overflow-x: auto;
  border: 1px solid var(--border-color);
}

/* Tribunal de Delitos Informáticos */
.court-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
}
.court-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}
.court-badge {
  background-color: var(--color-red-light);
  color: var(--color-red);
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}
.court-score {
  font-weight: 700;
  color: var(--color-amber);
}
.court-title {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}
.court-situation {
  background-color: var(--bg-tertiary);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}
.court-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.court-opt-btn, .exercise-opt-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  text-align: left;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}
.court-opt-btn:hover, .exercise-opt-btn:hover {
  border-color: var(--color-sena);
  background-color: var(--bg-tertiary);
}
.court-opt-btn.is-correct-choice, .exercise-opt-btn.is-correct-choice {
  border-color: var(--color-green);
  background-color: var(--color-green-light);
}
.court-opt-btn.is-wrong-choice, .exercise-opt-btn.is-wrong-choice {
  border-color: var(--color-red);
  background-color: var(--color-red-light);
}

.court-feedback, .exercise-feedback {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
}
.court-feedback--correct, .exercise-feedback--correct {
  background-color: var(--color-green-light);
  border-left: 4px solid var(--color-green);
}
.court-feedback--wrong, .exercise-feedback--wrong {
  background-color: var(--color-red-light);
  border-left: 4px solid var(--color-red);
}

/* Constructor de Contratos */
.contract-text-output {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  max-height: 450px;
  overflow-y: auto;
  white-space: pre-wrap;
}

/* Ejercicios Prácticos */
.exercise-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
}
.exercise-progress-bar {
  height: 6px;
  background-color: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.exercise-progress-fill {
  height: 100%;
  background-color: var(--color-sena);
  transition: width 0.3s ease;
}
.exercise-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.exercise-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}
.exercise-question {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}
.exercise-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.exercise-nav-bar {
  display: flex;
  justify-content: space-between;
}

/* Dossier SENA Imprimible */
.sena-dossier-sheet {
  background-color: #ffffff;
  color: #0f172a;
  padding: 3rem;
  border-radius: var(--radius-md);
  border: 1px solid #cbd5e1;
  margin-top: 2rem;
  box-shadow: var(--shadow-lg);
}
.dossier-header {
  display: flex;
  justify-content: space-between;
  border-bottom: 3px solid #39a900;
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
}
.dossier-logo {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.sena-shield {
  background-color: #39a900;
  color: #fff;
  font-size: 1.75rem;
  font-weight: 900;
  padding: 1rem 1.25rem;
  border-radius: 8px;
}
.dossier-header h2 {
  font-size: 1.2rem;
  font-weight: 800;
  color: #0f172a;
}
.dossier-subtitle {
  font-size: 1.1rem;
  color: #39a900;
  margin: 1.5rem 0 0.75rem 0;
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 0.25rem;
}
.dossier-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}
.dossier-table th, .dossier-table td {
  border: 1px solid #cbd5e1;
  padding: 0.65rem 0.85rem;
  text-align: left;
}
.dossier-table th {
  background-color: #f1f5f9;
  font-weight: 700;
}
.dossier-signatures {
  display: flex;
  justify-content: space-around;
  margin-top: 3.5rem;
  text-align: center;
}
.dossier-verdict-box {
  background-color: #f8fafc;
  border: 1px solid #cbd5e1;
  padding: 1rem;
  border-radius: 6px;
  margin: 1.5rem 0;
}
.verdict-options {
  display: flex;
  gap: 2rem;
  margin-top: 0.5rem;
}

/* Botones y Badges Generales */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn--primary {
  background-color: var(--color-sena);
  color: #ffffff;
}
.btn--primary:hover {
  background-color: var(--color-sena-hover);
}
.btn--secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}
.btn--secondary:hover {
  background-color: var(--border-color);
}
.btn--sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.825rem;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}
.badge--primary { background-color: var(--color-blue-light); color: var(--color-blue); }
.badge--success { background-color: var(--color-green-light); color: var(--color-green); }
.badge--warning { background-color: var(--color-amber-light); color: var(--color-amber); }
.badge--danger { background-color: var(--color-red-light); color: var(--color-red); }
.badge--info { background-color: rgba(14, 165, 233, 0.15); color: #0ea5e9; }

.text-success { color: var(--color-green) !important; }
.text-danger { color: var(--color-red) !important; }
.text-warning { color: var(--color-amber) !important; }
.text-primary { color: var(--color-blue) !important; }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.text-right { text-align: right; }

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  cursor: pointer;
}

/* Buscador Global */
.search-wrapper {
  margin-bottom: 2rem;
}
.search-input {
  width: 100%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.85rem 1.25rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s;
}
.search-input:focus {
  outline: none;
  border-color: var(--color-sena);
}

/* ==========================================================================
   ESTILOS: GEMAS IA PARA DOCUMENTACIÓN & SDLC
   ========================================================================== */
.gems-nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.gem-nav-card {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
}

.gem-nav-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-sena);
  box-shadow: var(--shadow-md);
}

.gem-nav-card.is-active {
  border-color: var(--color-sena);
  background-color: var(--bg-tertiary);
  box-shadow: 0 0 0 2px var(--color-sena-light);
}

.gem-nav-card__icon {
  font-size: 2.25rem;
  line-height: 1;
  flex-shrink: 0;
}

.gem-nav-card__meta h4 {
  margin: 0.35rem 0 0.25rem;
  font-size: 1rem;
  color: var(--text-main);
  line-height: 1.3;
}

.gem-nav-card__meta p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
}

.gem-sheet {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.gem-sheet__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.gem-sheet__badge {
  display: inline-block;
  background-color: var(--color-sena-light);
  color: var(--color-sena);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}

.gem-sheet__title-group h2 {
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
  color: var(--text-main);
}

.gem-sheet__summary {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
  max-width: 800px;
}

.gem-target-docs {
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.gem-doc-tag code {
  background-color: var(--bg-primary);
  color: var(--color-amber);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.gem-generator-box {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.gem-generator-header h3 {
  margin: 0 0 0.35rem;
  font-size: 1.2rem;
  color: var(--color-sena);
}

.gem-generator-header p {
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.gem-doc-preview-wrapper {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.gem-doc-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.gem-doc-preview-header h4 {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-main);
}

.gem-markdown-viewer {
  margin: 0;
  padding: 1.5rem;
  max-height: 480px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  background-color: var(--bg-primary);
  color: var(--text-main);
}

.gem-prompt-accordion {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
}

.gem-prompt-accordion summary {
  cursor: pointer;
  color: var(--text-main);
  user-select: none;
}

.gem-prompt-box {
  margin-top: 1rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  max-height: 350px;
  overflow-y: auto;
}

.gem-prompt-box pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-muted);
  white-space: pre-wrap;
}

/* ==========================================================================
   BANNER DINÁMICO SUPERIOR (TIPS Y NOVEDADES REGULATORIAS)
   ========================================================================== */
.app-dynamic-banner {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.12), rgba(57, 169, 0, 0.12));
  border-bottom: 1px solid var(--border-color);
  padding: 0.65rem 0;
  font-size: 0.9rem;
}

.banner-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.banner-content-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex: 1;
  min-width: 280px;
}

.banner-text {
  color: var(--text-main);
  font-weight: 500;
  line-height: 1.4;
}

.banner-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-banner-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.35rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 0.35rem;
  transition: color 0.15s ease;
}

.btn-banner-close:hover {
  color: var(--color-red);
}

/* ==========================================================================
   SISTEMA UNIVERSAL DE MODALES (GLASSMORPHISM & ANIMACIONES)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  padding: 1.5rem;
}

.modal-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.modal-window {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 920px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.65);
  transform: translateY(20px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.modal-overlay.is-visible .modal-window {
  transform: translateY(0);
}

.modal-header {
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-tertiary);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.85rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  transition: color 0.15s ease;
}

.modal-close-btn:hover {
  color: var(--color-red);
}

.modal-body {
  padding: 1.75rem;
  overflow-y: auto;
  flex: 1;
}

/* ==========================================================================
   MÓDULO SECTORIAL: CONTROLES, FILTROS Y VISTAS
   ========================================================================== */
.sector-controls-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  background: var(--bg-secondary);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.filter-pills-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-pill {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.filter-pill:hover {
  border-color: var(--color-sena);
  color: var(--text-main);
}

.filter-pill.is-active {
  background: var(--color-sena);
  border-color: var(--color-sena);
  color: #ffffff;
}

.pill-count {
  font-size: 0.75rem;
  opacity: 0.85;
}

.view-mode-toggles {
  display: inline-flex;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.btn-toggle-view {
  background: var(--bg-tertiary);
  border: none;
  padding: 0.5rem 0.95rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-toggle-view.is-active {
  background: var(--color-blue);
  color: #ffffff;
}

/* Tarjetas Sectoriales */
.sectoral-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sector-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.sector-card:hover {
  border-color: rgba(57, 169, 0, 0.45);
  box-shadow: var(--shadow-lg);
}

.sector-card__top {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.sector-card__icon {
  font-size: 2.75rem;
  line-height: 1;
  padding: 0.65rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.sector-card__title-wrap {
  flex: 1;
  min-width: 260px;
}

.sector-card__badges {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  flex-wrap: wrap;
}

.sector-card__heading {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.35rem 0;
  color: var(--text-main);
}

.sector-card__desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
  line-height: 1.5;
}

.sector-authorities {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0;
  font-size: 0.85rem;
}

.authorities-label {
  font-weight: 700;
  color: var(--text-subtle);
}

.authority-chip {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.8rem;
}

/* Barra de Progreso de la Checklist */
.sector-progress-box {
  background: var(--bg-tertiary);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin: 1.25rem 0;
  border: 1px solid var(--border-color);
}

.sector-progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.progress-bar-bg {
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-sena), var(--color-blue));
  border-radius: 999px;
  transition: width 0.35s ease;
}

/* Acordeones Desplegables */
.sector-accordion {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.accordion-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.accordion-item[open] {
  border-color: rgba(57, 169, 0, 0.3);
}

.accordion-header {
  padding: 1rem 1.25rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-tertiary);
  list-style: none;
  user-select: none;
}

.accordion-header::-webkit-details-marker {
  display: none;
}

.accordion-item[open] .accordion-header {
  border-bottom: 1px solid var(--border-color);
}

.accordion-icon {
  font-size: 0.75rem;
  transition: transform 0.25s ease;
  color: var(--color-sena);
}

.accordion-item[open] .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  padding: 1.25rem;
}

/* Línea de Tiempo de Pasos */
.sector-steps-timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.sector-step-entry {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-sena-light);
  color: var(--color-sena);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--color-sena);
  font-size: 0.95rem;
}

.step-info h4 {
  margin: 0 0 0.35rem 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

.step-info p {
  margin: 0;
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Checklist Items */
.checklist-items {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.85rem 1.15rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.check-item:hover {
  border-color: var(--color-sena);
}

.check-item.is-checked {
  background: var(--color-sena-light);
  border-color: var(--color-sena);
}

.sector-chk {
  margin-top: 0.25rem;
  cursor: pointer;
  accent-color: var(--color-sena);
  transform: scale(1.15);
}

.chk-text {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.925rem;
  color: var(--text-main);
}

/* Grid de Normas del Sector */
.sector-laws-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.sector-law-item {
  background: var(--bg-primary);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-amber);
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.sector-law-item strong {
  color: var(--color-amber);
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}

.sector-law-item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Snippets de Código con Botón */
.code-snippet-wrap {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.code-snippet-header {
  padding: 0.65rem 1rem;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-subtle);
}

.code-snippet-wrap pre {
  margin: 0;
  padding: 1rem;
  max-height: 350px;
  overflow-y: auto;
}

/* Tabla Matriz */
.matrix-table-wrap {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

.table-styled {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.925rem;
}

.table-styled th {
  background: var(--bg-tertiary);
  padding: 1rem 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
}

.table-styled td {
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
}

.table-styled tr:hover td {
  background: var(--color-sena-light);
}

/* ==========================================================================
   WIZARD DE DIAGNÓSTICO REGULATORIO
   ========================================================================== */
.wizard-container {
  display: flex;
  flex-direction: column;
}

.wizard-stepper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.wizard-step-node {
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--text-subtle);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: var(--bg-tertiary);
  transition: all 0.2s ease;
}

.wizard-step-node.is-active {
  color: #ffffff;
  background: var(--color-sena);
}

.wizard-step-line {
  flex: 1;
  height: 2px;
  background: var(--border-color);
  margin: 0 0.5rem;
}

.wizard-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.wizard-opt-card {
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
}

.wizard-opt-card:hover {
  border-color: var(--color-blue);
  transform: translateY(-2px);
}

.wizard-opt-card.is-selected {
  border-color: var(--color-sena);
  background: var(--color-sena-light);
}

.wizard-opt-icon {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

.wizard-opt-card strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 0.35rem;
  color: var(--text-main);
}

.wizard-opt-card p {
  margin: 0;
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.passport-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.passport-header h3 {
  margin: 0.5rem 0 0.25rem 0;
  color: var(--text-main);
}

.passport-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.passport-card {
  background: var(--bg-secondary);
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.passport-card strong {
  color: var(--text-subtle);
  font-size: 0.85rem;
  display: block;
  margin-bottom: 0.35rem;
}

.passport-card p {
  margin: 0 0 0.35rem 0;
  color: var(--text-main);
}

/* ==========================================================================
   GLOSARIO MODAL
   ========================================================================== */
.glossary-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-height: 55vh;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.glossary-entry {
  background: var(--bg-primary);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-blue);
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.glossary-term {
  color: var(--color-amber);
  font-size: 1.05rem;
  font-weight: 700;
  display: block;
  margin-bottom: 0.25rem;
}

.glossary-def {
  color: var(--text-muted);
  font-size: 0.925rem;
  margin: 0;
  line-height: 1.55;
}

.sim-range {
  width: 100%;
  accent-color: var(--color-amber);
  cursor: pointer;
  margin: 0.5rem 0;
}

/* ==========================================================================
   NUEVOS SIMULADORES Y LABORATORIO AVANZADO DIAN
   ========================================================================== */

/* 1. Arquitectura de Integración DIAN */
.dian-arch-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.arch-step-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.arch-step-box strong {
  color: var(--text-main);
  font-size: 0.95rem;
}

.arch-step-box p {
  color: var(--text-muted);
  font-size: 0.825rem;
  margin: 0;
  line-height: 1.45;
}

/* 2. Laboratorio Criptográfico de Hashes (CUFE / CUDE / CUNE / CUDS) */
.crypto-hash-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--color-amber);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.crypto-hash-result {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-amber);
  background: rgba(245, 158, 11, 0.08);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(245, 158, 11, 0.3);
  word-break: break-all;
  line-height: 1.5;
  letter-spacing: 0.5px;
}

.crypto-raw-string {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-blue);
  word-break: break-all;
  white-space: pre-wrap;
  max-height: 120px;
  overflow-y: auto;
}

/* 3. Calculador y Validador de NIT con Dígito de Verificación (DV) */
.nit-presets-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.35rem;
}

.nit-result-banner {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.nit-formatted-display {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 1px;
}

.nit-dash {
  color: var(--text-muted);
}

.nit-dv-pill {
  display: inline-block;
  background: var(--color-sena);
  color: #ffffff;
  padding: 0.15rem 0.65rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 0 12px rgba(57, 169, 0, 0.4);
}

.nit-badge-status {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-sena);
  font-weight: 600;
}

.nit-math-explanation {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  font-size: 0.875rem;
}

.nit-table-wrap {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.nit-math-summary-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.875rem;
}

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

.math-row.is-final {
  border-top: 1px solid var(--border-color);
  padding-top: 0.5rem;
  margin-top: 0.25rem;
  font-weight: 700;
}

.math-dv-highlight {
  font-size: 1.25rem;
  font-family: var(--font-mono);
  color: var(--color-sena);
}

/* Tabs de Código */
.code-tab-selector {
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.code-tabs {
  display: flex;
  gap: 0.25rem;
}

.btn-tab-code {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-tab-code.is-active, .btn-tab-code:hover {
  background: var(--color-sena);
  color: #ffffff;
  border-color: var(--color-sena);
}

/* 4. Simulador RADIAN */
.radian-steps-timeline {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1rem;
}

.radian-event-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  transition: all 0.2s ease;
}

.radian-event-card.is-approved {
  border-color: var(--color-sena);
  background: rgba(57, 169, 0, 0.05);
}

.radian-event-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.radian-event-card p {
  color: var(--text-muted);
  font-size: 0.825rem;
  margin: 0.25rem 0 0.75rem 0;
  line-height: 1.45;
}

.radian-status-box {
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  border: 1px solid var(--border-color);
}

.radian-status-box.is-title-value {
  background: rgba(16, 185, 129, 0.08);
  border-color: var(--color-green);
}

.radian-status-box.is-pending {
  background: rgba(245, 158, 11, 0.08);
  border-color: var(--color-amber);
}

/* 5. Simulador de Contingencias DIAN (48 Horas) */
.contingency-countdown-card {
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  border: 1px solid var(--border-color);
}

.contingency-countdown-card.is-safe {
  background: rgba(57, 169, 0, 0.08);
  border-color: var(--color-sena);
}

.contingency-countdown-card.is-danger {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--color-red);
}

.countdown-tag {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.contingency-countdown-card.is-safe .countdown-tag {
  color: var(--color-sena);
}

.contingency-countdown-card.is-danger .countdown-tag {
  color: var(--color-red);
}

.countdown-clock {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: 1px;
}

.contingency-countdown-card.is-safe .countdown-clock {
  color: var(--color-sena);
}

.contingency-countdown-card.is-danger .countdown-clock {
  color: var(--color-red);
}

/* Media Query de Impresión (@media print) */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .app-header, .nav-tabs-wrapper, .reading-progress-bar, .no-print, .btn, .sim-form-group, .evidence-actions-bar {
    display: none !important;
  }
  .tab-pane {
    display: none !important;
  }
  #tab-evidence {
    display: block !important;
  }
  .sena-dossier-sheet {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
  }
}