/**
 * Estilos canónicos del Simulador del futuro de la inteligencia humana frente a la IA
 * fijate.com/tools/simulador-futuro-inteligencia-humana-ia
 */

:root {
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Colores tema claro */
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --bg-card-hover: #e2e8f0;
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  --c-accent: #3b82f6;
  --c-accent-hover: #2563eb;
  --c-accent-subtle: #eff6ff;

  --c-success: #10b981;
  --c-success-subtle: #ecfdf5;
  --c-warning: #f59e0b;
  --c-warning-subtle: #fffbeb;
  --c-danger: #ef4444;
  --c-danger-subtle: #fef2f2;
  --c-purple: #8b5cf6;
  --c-purple-subtle: #f5f3ff;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.1);
}

[data-theme="dark"] {
  --bg-body: #0b0f17;
  --bg-card: #131b2a;
  --bg-card-subtle: #1c273a;
  --bg-card-hover: #24324a;
  --border-color: #24324a;
  --border-focus: #60a5fa;

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

  --c-accent: #60a5fa;
  --c-accent-hover: #3b82f6;
  --c-accent-subtle: rgba(59, 130, 246, 0.15);

  --c-success: #34d399;
  --c-success-subtle: rgba(16, 185, 129, 0.15);
  --c-warning: #fbbf24;
  --c-warning-subtle: rgba(245, 158, 11, 0.15);
  --c-danger: #f87171;
  --c-danger-subtle: rgba(239, 68, 68, 0.15);
  --c-purple: #a78bfa;
  --c-purple-subtle: rgba(139, 92, 246, 0.15);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.6);
}

/* Base y contención */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.text-mono {
  font-family: var(--font-mono);
}

.text-accent { color: var(--c-accent); }
.text-success { color: var(--c-success); }
.text-warning { color: var(--c-warning); }
.text-danger { color: var(--c-danger); }

/* Layout principal */
.tool-layout {
  max-width: 1200px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  box-sizing: border-box;
  flex: 1 0 auto;
  width: 100%;
}

.tool-with-sidebar {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  width: 100%;
}

.tool-main-content {
  flex: 1 1 0%;
  min-width: 0;
  width: 100%;
}

/* Hero card */
.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.hero-badge {
  display: inline-block;
  background: var(--c-accent-subtle);
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 700;
  margin: 0 0 1rem;
  line-height: 1.25;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0 0 1.5rem;
  max-width: 900px;
}

/* KPI strip */
.kpi-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.kpi-item {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
}

.kpi-value {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--c-accent);
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.kpi-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.35;
}

/* Pestañas de subnavegación */
.subnav-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

.tab-btn {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}

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

.tab-btn.active {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #ffffff;
  font-weight: 600;
}

/* Tarjetas de sección genéricas */
.card-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.section-title-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--c-accent);
  background: var(--c-accent-subtle);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.3;
}

.section-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-card-subtle);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  white-space: nowrap;
}

.section-intro {
  color: var(--text-muted);
  font-size: 0.98rem;
  margin: 0 0 1.5rem;
  max-width: 850px;
}

.subsection-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 2rem 0 1rem;
}

/* ========================================================
   SECCIÓN 1: TEST DE DESCARGA COGNITIVA
   ======================================================== */
.test-progress-bar-wrap {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.75rem;
}

.test-progress-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.progress-track {
  width: 100%;
  height: 8px;
  background: var(--bg-card-hover);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--c-accent), var(--c-purple));
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

.questions-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.question-card {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: border-color 0.2s ease;
}

.question-card.answered {
  border-color: var(--c-accent);
}

.question-title-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.q-index {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-accent);
  font-size: 0.9rem;
}

.q-text {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-main);
  line-height: 1.4;
}

.options-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.option-label {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  cursor: pointer;
  min-height: 44px;
  transition: all 0.15s ease;
}

.option-label:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
}

.option-label.selected {
  background: var(--c-accent-subtle);
  border-color: var(--c-accent);
}

.option-radio {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--text-light);
  border-radius: 50%;
  margin: 0;
  outline: none;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
}

.option-radio:checked {
  border-color: var(--c-accent);
}

.option-radio:checked::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 8px;
  height: 8px;
  background: var(--c-accent);
  border-radius: 50%;
}

.option-text {
  font-size: 0.92rem;
  color: var(--text-main);
  line-height: 1.35;
}

/* Panel de resultados del test */
.results-panel {
  margin-top: 2rem;
  background: var(--bg-card-subtle);
  border: 2px solid var(--c-accent);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  animation: fadeIn 0.4s ease;
}

.result-card-header {
  margin-bottom: 1.5rem;
}

.result-badge {
  display: inline-block;
  background: var(--c-accent);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.5rem;
}

.result-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.result-desc {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.result-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.metric-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
}

.metric-title {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.metric-val-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.metric-number {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-main);
}

.metric-sub {
  font-size: 0.78rem;
  color: var(--text-light);
  margin-top: 0.25rem;
}

.forecast-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--c-accent);
  border-radius: var(--radius-sm);
  padding: 1.1rem;
  margin-bottom: 1.5rem;
}

.forecast-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--c-accent);
}

.forecast-text {
  font-size: 0.92rem;
  color: var(--text-main);
  margin: 0;
  line-height: 1.45;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-main);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  min-height: 44px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--c-accent);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--c-accent-hover);
}

.btn-secondary {
  background: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
}

/* ========================================================
   SECCIÓN 2: SIMULADOR MULTIVARIABLE (2025-2100)
   ======================================================== */
.control-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.scenario-buttons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.scenario-btn {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 60px;
  display: flex;
  flex-direction: column;
}

.scenario-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
}

.scenario-btn.active {
  background: var(--c-accent-subtle);
  border-color: var(--c-accent);
}

.scenario-btn-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.scenario-btn.active .scenario-btn-title {
  color: var(--c-accent);
}

.scenario-btn-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.years-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.year-pill {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  min-height: 40px;
  transition: all 0.2s ease;
}

.year-pill:hover {
  background: var(--bg-card-hover);
}

.year-pill.active {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #ffffff;
}

/* Sliders */
.sliders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.slider-card {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.1rem;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.slider-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.3;
}

.slider-val {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--c-accent);
  background: var(--c-accent-subtle);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.range-input {
  width: 100%;
  height: 6px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
  accent-color: var(--c-accent);
  margin-bottom: 0.5rem;
}

.slider-hint {
  font-size: 0.78rem;
  color: var(--text-light);
  margin: 0;
  line-height: 1.35;
}

/* Dashboard de simulación */
.simulation-dashboard {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.dashboard-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
}

.dashboard-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--c-accent-subtle);
  color: var(--c-accent);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.kpi-projection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.kpi-proj-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.kpi-proj-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.kpi-proj-icon.brain { background: var(--c-danger-subtle); color: var(--c-danger); }
.kpi-proj-icon.cpu { background: var(--c-success-subtle); color: var(--c-success); }
.kpi-proj-icon.gap { background: var(--c-warning-subtle); color: var(--c-warning); }
.kpi-proj-icon.shield { background: var(--c-purple-subtle); color: var(--c-purple); }

.kpi-proj-data {
  display: flex;
  flex-direction: column;
}

.kpi-proj-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

.kpi-proj-value {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.kpi-proj-diff {
  font-size: 0.74rem;
  font-weight: 600;
}

/* Gráfico de evolución SVG */
.evolution-chart-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.chart-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

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

.legend-dot.bio { background: var(--c-danger); }
.legend-dot.eff { background: var(--c-success); }
.legend-dot.gap { background: var(--c-warning); }
.legend-dot.sov { background: var(--c-purple); }

.chart-svg-wrap {
  width: 100%;
  height: 220px;
}

.chart-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.scenario-summary-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.summary-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--text-main);
}

.summary-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* ========================================================
   SECCIÓN 3: RADAR DE FACULTADES COGNITIVAS
   ======================================================== */
.radar-container-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

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

.radar-graph-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.radar-header-legend {
  display: flex;
  gap: 1.25rem;
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.radar-leg-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.line-base-sample {
  width: 16px;
  height: 2px;
  background: var(--text-light);
  border-top: 2px dashed var(--text-light);
}

.line-future-sample {
  width: 16px;
  height: 3px;
  background: var(--c-accent);
}

.radar-svg-box {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1;
}

.radar-svg {
  width: 100%;
  height: 100%;
}

.panel-subtitle {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 1rem;
}

.axes-cards-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.axis-item-card {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
}

.axis-header-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.25rem;
}

.axis-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
}

.axis-values {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
}

.axis-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0 0 0.5rem;
  line-height: 1.35;
}

.axis-bar-track {
  width: 100%;
  height: 5px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  position: relative;
  overflow: hidden;
}

.axis-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

/* ========================================================
   SECCIÓN 4: BASE CIENTÍFICA Y HÁBITOS
   ======================================================== */
.neuro-habits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.habit-card {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  gap: 0.85rem;
}

.habit-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--c-accent-subtle);
  color: var(--c-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.habit-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.habit-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
}

.accordion-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.accordion-item {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion-summary {
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  list-style: none;
}

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

.acc-title {
  color: var(--text-main);
  line-height: 1.35;
}

.acc-chevron {
  color: var(--text-light);
  transition: transform 0.2s ease;
  flex-shrink: 0;
  margin-left: 0.75rem;
}

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

.accordion-content {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
  border-top: 1px solid var(--border-color);
  margin-top: 0.25rem;
}

.study-meta {
  font-size: 0.82rem;
  color: var(--text-light);
  margin: 0.75rem 0 0.5rem;
}

/* ========================================================
   MODAL DE CARNET PNG (DIALOG ACCESIBLE)
   ======================================================== */
.card-dialog {
  border: none;
  border-radius: var(--radius-lg);
  padding: 0;
  background: transparent;
  max-width: 660px;
  width: 95%;
  margin: auto;
  box-shadow: var(--shadow-lg);
}

.card-dialog::backdrop {
  background: rgba(11, 15, 23, 0.75);
  backdrop-filter: blur(4px);
}

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

.dialog-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dialog-heading {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
}

.dialog-body {
  padding: 1.5rem;
  text-align: center;
}

.canvas-preview-wrap {
  width: 100%;
  overflow-x: auto;
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  margin-bottom: 0.75rem;
}

.card-canvas {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius-sm);
}

.dialog-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0;
}

.dialog-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero-card,
  .card-box {
    padding: 1.25rem;
  }

  .hero-title {
    font-size: 1.45rem;
  }

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

  .kpi-strip {
    grid-template-columns: 1fr;
  }

  .subnav-tabs {
    flex-direction: column;
  }

  .tab-btn {
    width: 100%;
    justify-content: center;
  }

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

  .btn {
    width: 100%;
  }

  .scenario-buttons-grid {
    grid-template-columns: 1fr;
  }

  .dialog-footer {
    flex-direction: column-reverse;
  }
}