/**
 * Estilos visuales del Asesor de Sillas de Coche Infantiles (ECE R129 / i-Size)
 * fijate.com/tools/asesor-sillas-coche-infantiles-r129/
 */

:root {
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Colores corporativos tema claro */
  --color-bg-page: #f8fafc;
  --color-bg-card: #ffffff;
  --color-bg-subtle: #f1f5f9;
  --color-bg-input: #ffffff;
  --color-border: #e2e8f0;
  --color-border-hover: #cbd5e1;

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

  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-subtle: #eff6ff;

  --color-success: #16a34a;
  --color-success-bg: #dcfce7;
  --color-success-border: #86efac;

  --color-warning: #d97706;
  --color-warning-bg: #fef3c7;
  --color-warning-border: #fcd34d;

  --color-danger: #dc2626;
  --color-danger-bg: #fee2e2;
  --color-danger-border: #fca5a5;

  --color-info: #0284c7;
  --color-info-bg: #e0f2fe;
  --color-info-border: #7dd3fc;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

[data-theme="dark"] {
  --color-bg-page: #0b0f17;
  --color-bg-card: #131c2e;
  --color-bg-subtle: #1e293b;
  --color-bg-input: #0f172a;
  --color-border: #24344d;
  --color-border-hover: #334155;

  --color-text-main: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-text-light: #64748b;

  --color-primary: #3b82f6;
  --color-primary-hover: #60a5fa;
  --color-primary-subtle: #172554;

  --color-success: #22c55e;
  --color-success-bg: #052e16;
  --color-success-border: #14532d;

  --color-warning: #f59e0b;
  --color-warning-bg: #451a03;
  --color-warning-border: #78350f;

  --color-danger: #ef4444;
  --color-danger-bg: #450a0a;
  --color-danger-border: #7f1d1d;

  --color-info: #38bdf8;
  --color-info-bg: #082f49;
  --color-info-border: #075985;
}

/* Base */
body {
  font-family: var(--font-main);
  background-color: var(--color-bg-page);
  color: var(--color-text-main);
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6,
.brand-title,
.section-title,
.hero-title,
.faq-section-title {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

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

/* Layout canónico */
.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%;
}

/* Encabezado héroe de la herramienta */
.tool-hero-header {
  margin-bottom: 2rem;
}

.tool-badge-intro {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.tool-hero-title {
  font-size: 2rem;
  font-weight: 800;
  margin: 0 0 0.5rem;
  line-height: 1.2;
}

.tool-hero-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 800px;
  margin: 0;
}

/* Presets rápidos */
.presets-bar {
  margin-bottom: 1.75rem;
}

.presets-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.presets-container {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
}

.btn-preset {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0.5rem 0.85rem;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
  min-height: 48px;
}

.btn-preset:hover {
  border-color: var(--color-primary);
  background-color: var(--color-bg-subtle);
}

.btn-preset.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.preset-name {
  font-weight: 600;
  font-size: 0.85rem;
}

.preset-meta {
  font-size: 0.72rem;
  opacity: 0.85;
  font-family: var(--font-mono);
}

/* Tarjeta principal del calculador */
.card-main {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.section-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.section-heading-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
}

.btn-reset-icon {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.4rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-family: inherit;
  transition: color 0.15s ease;
}

.btn-reset-icon:hover {
  color: var(--color-primary);
  background-color: var(--color-bg-subtle);
}

/* Grid de entradas interactivas */
.inputs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.input-group {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

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

.input-label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-main);
}

.input-number-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background-color: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.5rem;
}

.input-number-wrap input[type="number"] {
  border: none;
  background: transparent;
  width: 55px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text-main);
  text-align: right;
  outline: none;
}

.input-unit {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.range-slider {
  width: 100%;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  outline: none;
  cursor: pointer;
  accent-color: var(--color-primary);
  margin-top: 0.5rem;
}

.input-helper-text {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

/* Conmutador de Isofix */
.isofix-toggle-group {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.isofix-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.isofix-icon {
  color: var(--color-primary);
}

.btn-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-main);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  min-height: 44px;
  transition: all 0.15s ease;
}

.btn-toggle.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

/* Panel de Resultados y Diagnóstico */
.results-hero-card {
  background: linear-gradient(135deg, var(--color-bg-card), var(--color-bg-subtle));
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.results-hero-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.results-hero-text {
  flex: 1 1 300px;
}

.result-badge-category {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.result-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin: 0 0 0.5rem;
  color: var(--color-text-main);
}

.result-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin: 0 0 1rem;
}

.result-recommendation-box {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}

.results-hero-visual {
  flex: 0 0 250px;
  max-width: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1rem 1rem 1.15rem;
  box-shadow: 0 4px 12px -2px rgba(0, 0, 0, 0.08);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .results-hero-visual {
  background: linear-gradient(180deg, #131c2e 0%, #0d1522 100%);
  box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.seat-visual-svg {
  width: 100%;
  max-width: 240px;
  height: 160px;
  display: block;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
  transition: transform 0.2s ease;
}

.svg-orientation-label {
  font-size: 0.85rem;
  line-height: 1.35;
  color: var(--color-text-main);
  margin-top: 0.75rem;
  padding: 0 0.5rem;
}

.svg-orientation-label strong {
  display: block;
  font-size: 0.88rem;
  margin-bottom: 0.15rem;
}

.svg-orientation-label small {
  display: block;
  font-size: 0.76rem;
  color: var(--color-text-muted);
}

/* Píldoras de estado semáforo */
.pill-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
}

.badge-danger {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid var(--color-danger-border);
}

.badge-warning {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid var(--color-warning-border);
}

.badge-success,
.badge-safe_green {
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

.badge-info {
  background-color: var(--color-info-bg);
  color: var(--color-info);
  border: 1px solid var(--color-info-border);
}

/* Grid de tarjetas técnicas: Contramarcha y Alzador */
.cards-two-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.eval-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

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

.eval-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.eval-row {
  margin-bottom: 1rem;
}

.eval-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.eval-desc {
  font-size: 0.9rem;
  color: var(--color-text-main);
  margin: 0.35rem 0 0;
}

.eval-action-box {
  background-color: var(--color-bg-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  margin-top: 1rem;
}

/* Biomecánica y Física del Choque */
.physics-section {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.physics-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.physics-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0 0 1.25rem;
}

.physics-kpis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.physics-kpi-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
}

.physics-kpi-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.physics-kpi-val {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.2;
}

.val-danger {
  color: var(--color-danger);
}

.val-success {
  color: var(--color-success);
}

.val-info {
  color: var(--color-primary);
}

.physics-kpi-sub {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* Gráfico de barras de tracción cervical */
.cervical-comparison-box {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.cervical-bar-row {
  margin-bottom: 1rem;
}

.cervical-bar-row:last-child {
  margin-bottom: 0;
}

.bar-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.bar-track {
  height: 12px;
  background-color: var(--color-bg-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.bar-fill-forward {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #f59e0b, #ef4444);
  border-radius: var(--radius-full);
}

.bar-fill-rear {
  width: 17%; /* 50 / 300 */
  height: 100%;
  background-color: #10b981;
  border-radius: var(--radius-full);
}

/* Test de los 5 puntos */
.five-points-section {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.five-points-header {
  margin-bottom: 1.25rem;
}

.five-points-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
}

.five-points-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
}

.five-points-checklist {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.five-point-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
}

.five-point-item:hover {
  border-color: var(--color-primary);
}

.five-point-checkbox {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.custom-check-box {
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border-hover);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  background-color: var(--color-bg-card);
  transition: all 0.15s ease;
}

.five-point-checkbox:checked + .custom-check-box {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.five-point-content {
  flex: 1;
}

.five-point-q {
  display: block;
  font-size: 0.95rem;
  color: var(--color-text-main);
}

.five-point-tip {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}

.five-points-verdict {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
}

.verdict-pass {
  background-color: var(--color-success-bg);
  border: 1px solid var(--color-success-border);
  color: var(--color-success);
}

.verdict-pending {
  background-color: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  color: var(--color-warning);
}

.verdict-text p {
  margin: 0.25rem 0 0;
  color: var(--color-text-main);
}

/* Proyección de hitos temporales */
.milestones-section {
  margin-bottom: 2rem;
}

.milestones-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.milestone-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.milestone-card.milestone-done {
  border-left: 4px solid var(--color-success);
  opacity: 0.85;
}

.milestone-card.milestone-next {
  border-left: 4px solid var(--color-primary);
}

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

.milestone-height {
  font-size: 1.25rem;
  font-weight: 800;
}

.milestone-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-subtle);
  color: var(--color-text-muted);
}

.milestone-done .milestone-badge {
  background-color: var(--color-success-bg);
  color: var(--color-success);
}

.milestone-next .milestone-badge {
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
}

.milestone-label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.milestone-eta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Anclajes y alertas */
.anchorage-section {
  margin-bottom: 2rem;
}

.anchorage-alert {
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
}

.alert-danger {
  background-color: var(--color-danger-bg);
  border: 1px solid var(--color-danger-border);
  color: var(--color-danger);
}

.alert-warning {
  background-color: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  color: var(--color-warning);
}

.anchorage-alert p,
.anchorage-note p {
  margin: 0.25rem 0 0;
  font-size: 0.85rem;
  color: var(--color-text-main);
}

.anchorage-note {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 0.75rem;
}

/* Barra de acciones finales */
.actions-bar {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.btn-action-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  min-height: 44px;
  transition: background-color 0.15s ease;
  font-family: inherit;
}

.btn-action-primary:hover {
  background-color: var(--color-primary-hover);
}

.btn-action-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-bg-card);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  min-height: 44px;
  transition: all 0.15s ease;
  font-family: inherit;
}

.btn-action-secondary:hover {
  background-color: var(--color-bg-subtle);
  border-color: var(--color-border-hover);
}

/* Acordeón de Errores Críticos y Guía */
.guide-accordion {
  margin-bottom: 2.5rem;
}

.accordion-item {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.accordion-summary {
  padding: 1rem 1.25rem;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

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

.accordion-summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-text-muted);
  transition: transform 0.2s ease;
}

details[open] .accordion-summary::after {
  content: '−';
}

.accordion-content {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.accordion-content p {
  margin: 0.5rem 0;
}

/* Modal accesible */
.app-modal {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.2s ease;
}

.app-modal.hidden {
  display: none;
  opacity: 0;
}

.modal-dialog {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 480px;
  width: 100%;
  padding: 1.75rem;
}

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

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

.modal-close-btn:hover {
  background-color: var(--color-bg-subtle);
  color: var(--color-text-main);
}

.modal-body {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Media Queries para Mobile y Responsive */
@media (max-width: 768px) {
  .tool-hero-title {
    font-size: 1.6rem;
  }

  .card-main {
    padding: 1.25rem;
  }

  .results-hero-card {
    padding: 1.25rem;
  }

  .results-hero-top {
    flex-direction: column-reverse;
  }

  .results-hero-visual {
    width: 100%;
    max-width: 100%;
    flex: 1 1 auto;
    margin-bottom: 0.5rem;
  }

  .seat-visual-svg {
    max-width: 260px;
    height: 160px;
  }

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

  .btn-action-primary,
  .btn-action-secondary {
    width: 100%;
    justify-content: center;
  }
}