/**
 * Estilos de la Calculadora de desmultiplicación, velocidad y desarrollo de poleas y correas
 * fijate.com/tools/calculadora-relacion-transmision-poleas/
 */

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

  /* Paleta cromática corporativa modo oscuro (por defecto) */
  --bg-body: #0b0f17;
  --bg-card: #131c2a;
  --bg-card-subtle: #192538;
  --bg-input: #0e1622;
  --border-color: #243247;
  --border-focus: #38bdf8;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent-cyan: #38bdf8;
  --accent-cyan-hover: #0ea5e9;
  --accent-cyan-bg: rgba(56, 189, 248, 0.12);
  --accent-amber: #f59e0b;
  --accent-amber-bg: rgba(245, 158, 11, 0.15);
  --accent-emerald: #10b981;
  --accent-emerald-bg: rgba(16, 185, 129, 0.15);
  --accent-rose: #f43f5e;
  --accent-rose-bg: rgba(244, 63, 94, 0.15);

  --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.35);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

[data-theme="light"] {
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --bg-input: #ffffff;
  --border-color: #cbd5e1;
  --border-focus: #0284c7;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;

  --accent-cyan: #0284c7;
  --accent-cyan-hover: #0369a1;
  --accent-cyan-bg: rgba(2, 132, 199, 0.1);
  --accent-amber: #d97706;
  --accent-amber-bg: rgba(217, 119, 6, 0.12);
  --accent-emerald: #059669;
  --accent-emerald-bg: rgba(5, 150, 105, 0.12);
  --accent-rose: #e11d48;
  --accent-rose-bg: rgba(225, 29, 72, 0.12);

  --shadow-card: 0 4px 15px -2px rgba(0, 0, 0, 0.06);
}

/* Base y layout canónico */
* {
  box-sizing: border-box;
}

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

h1, h2, h3, h4, h5, h6,
.brand-title,
.control-heading,
.results-heading,
.sim-title,
.standards-title,
.seo-guide-title {
  font-family: var(--font-heading);
}

.mono,
.kpi-number,
.unit-badge,
.input-field,
code {
  font-family: var(--font-mono);
}

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

.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%;
}

/* Tarjeta contenedora estándar */
.card-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
  margin-bottom: 1.5rem;
}

.card-main {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  margin-bottom: 1.5rem;
}

/* Barra de presets de maquinaria */
.presets-section {
  padding: 0.85rem 1.25rem;
}

.presets-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.presets-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.preset-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.btn-preset {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.4rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 36px;
}

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

.btn-preset.active {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(56, 189, 248, 0.35);
}

/* Selector de pestañas funcionales */
.tabs-nav {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
  overflow-x: auto;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 0.65rem 1rem;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  min-height: 42px;
}

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

.tab-btn.active {
  color: var(--accent-cyan);
  background: var(--accent-cyan-bg);
  border-color: rgba(56, 189, 248, 0.3);
}

/* Grid de la calculadora (Controles vs KPIs) */
.calculator-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

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

.control-box,
.results-box {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.control-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.control-heading,
.results-heading {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-main);
}

.calc-mode-select-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.label-inline {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.select-clean {
  background-color: var(--bg-input);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.45rem 2.25rem 0.45rem 0.75rem;
  font-size: 0.85rem;
  font-family: inherit;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 14px;
  min-height: 38px;
}

.select-clean:focus {
  outline: none;
  border-color: var(--border-focus);
}

/* Filas de entrada de datos */
.input-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
}

.label-info {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.label-info label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
}

.helper-text {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.input-unit-wrap {
  display: flex;
  align-items: center;
  position: relative;
  width: 100%;
}

.input-field {
  flex: 1 1 0%;
  width: 0;
  min-width: 0;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 0.6rem 0.85rem;
  font-size: 0.95rem;
  min-height: 42px;
  transition: border-color 0.2s ease;
}

.input-field:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.unit-badge {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: none;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0 0.85rem;
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.select-unit-mini {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: none;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-main);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0 1.5rem 0 0.6rem;
  min-height: 42px;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.4rem center;
}

.options-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
}

@media (max-width: 600px) {
  .options-row {
    grid-template-columns: 1fr;
  }
}

.option-col label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.option-col select {
  width: 100%;
}

/* Acordeón de detalles avanzados */
.advanced-details {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  margin-top: 0.75rem;
}

.advanced-summary {
  padding: 0.65rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.advanced-body {
  padding: 0.75rem 0.85rem;
  border-top: 1px solid var(--border-color);
}

/* Columna de Resultados y KPIs */
.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.badge-status {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  background: var(--accent-cyan-bg);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.badge-status.multiplier {
  background: var(--accent-amber-bg);
  color: var(--accent-amber);
  border-color: rgba(245, 158, 11, 0.3);
}

.badge-status.direct {
  background: var(--accent-emerald-bg);
  color: var(--accent-emerald);
  border-color: rgba(16, 185, 129, 0.3);
}

.kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 600px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.kpi-card.highlight {
  border-color: var(--accent-cyan);
  background: linear-gradient(145deg, var(--bg-card) 0%, rgba(56, 189, 248, 0.08) 100%);
}

.kpi-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-dim);
}

.kpi-value-row {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.kpi-number {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.1;
}

.kpi-card.highlight .kpi-number {
  color: var(--accent-cyan);
}

.kpi-unit {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.kpi-sub {
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* Medidores visuales de barra */
.status-meter-wrap {
  width: 100%;
  height: 6px;
  background: var(--bg-body);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 0.2rem;
}

.status-meter-bar {
  height: 100%;
  background: var(--accent-emerald);
  border-radius: 3px;
  transition: width 0.3s ease, background-color 0.3s ease;
}

.status-meter-bar.warning {
  background: var(--accent-amber);
}

.status-meter-bar.danger {
  background: var(--accent-rose);
}

/* Alerta de diagnóstico */
.diagnostic-alert {
  margin-top: 0.9rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  line-height: 1.4;
  background: var(--accent-amber-bg);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: var(--accent-amber);
}

.diagnostic-alert.danger {
  background: var(--accent-rose-bg);
  border-color: rgba(244, 63, 94, 0.35);
  color: var(--accent-rose);
}

/* Módulo de simulación vectorial SVG */
.simulator-wrapper {
  margin-top: 1.5rem;
  padding: 1.25rem;
}

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

.sim-title-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.sim-title {
  margin: 0;
  font-size: 1.15rem;
  color: var(--text-main);
}

.sim-status-pill {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--accent-emerald-bg);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.sim-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.btn-tool {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.45rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 38px;
}

.btn-tool:hover {
  background: var(--accent-cyan-bg);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Escenario SVG */
.svg-stage-container {
  width: 100%;
  background: #080d14;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.5);
}

[data-theme="light"] .svg-stage-container {
  background: #f1f5f9;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.05);
}

.pulley-svg {
  width: 100%;
  height: auto;
  display: block;
  min-height: 220px;
}

/* Estilos de elementos SVG */
.svg-belt-under {
  stroke: #1e293b;
  stroke-width: 14;
}

[data-theme="light"] .svg-belt-under {
  stroke: #cbd5e1;
}

.svg-belt-main {
  stroke: var(--accent-cyan);
  stroke-width: 6;
  stroke-dasharray: 10 10;
  stroke-linecap: round;
}

.svg-pulley-rim {
  fill: #1e293b;
  stroke: #475569;
  stroke-width: 4;
}

[data-theme="light"] .svg-pulley-rim {
  fill: #e2e8f0;
  stroke: #94a3b8;
}

.svg-pulley-pitch {
  fill: none;
  stroke: rgba(56, 189, 248, 0.5);
  stroke-width: 1.5;
}

.svg-pulley-hub {
  fill: #334155;
  stroke: #64748b;
  stroke-width: 2;
}

[data-theme="light"] .svg-pulley-hub {
  fill: #cbd5e1;
  stroke: #64748b;
}

.svg-pulley-center {
  fill: #0f172a;
}

[data-theme="light"] .svg-pulley-center {
  fill: #334155;
}

.svg-contact-arc {
  stroke: var(--accent-amber);
  stroke-width: 8;
  opacity: 0.65;
  stroke-linecap: round;
}

.svg-dim-text {
  font-size: 13px;
  fill: var(--text-muted);
  font-weight: 600;
}

.svg-tag-text {
  font-size: 13px;
  fill: var(--text-main);
  font-weight: 700;
}

.svg-speed-tag {
  font-size: 12px;
  fill: var(--accent-cyan);
  font-weight: 600;
}

.dimension-line {
  color: var(--text-dim);
}

/* Leyenda inferior de simulación */
.sim-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-motor {
  background: #3b82f6;
}

.dot-driven {
  background: #8b5cf6;
}

.dot-arc {
  background: var(--accent-amber);
}

.dot-belt {
  background: var(--accent-cyan);
}

/* Pestaña 2: Poleas escalonadas */
.stepped-panel-intro,
.compound-intro {
  margin-bottom: 1.25rem;
}

.stepped-panel-intro h3,
.compound-intro h3 {
  margin-top: 0;
  font-size: 1.15rem;
}

.stepped-config-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
  background: var(--bg-card-subtle);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.step-config-item label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.stepped-table-wrap,
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 1rem;
}

.stepped-table,
.standards-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.stepped-table th,
.standards-table th {
  background: var(--bg-card-subtle);
  color: var(--text-muted);
  padding: 0.75rem 1rem;
  font-weight: 600;
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
}

.stepped-table td,
.standards-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  white-space: nowrap;
}

.stepped-table tr:hover,
.standards-table tr:hover {
  background: rgba(56, 189, 248, 0.04);
}

.stepped-table tr.active-gear {
  background: var(--accent-cyan-bg);
  border-left: 3px solid var(--accent-cyan);
}

.highlight-row {
  background: rgba(56, 189, 248, 0.08);
}

.stepped-tips {
  font-size: 0.82rem;
  color: var(--text-muted);
  background: var(--bg-card-subtle);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-cyan);
}

/* Pestaña 3: Transmisión compuesta */
.compound-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 768px) {
  .compound-grid {
    grid-template-columns: 1fr;
  }
}

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

.stage-badge {
  display: inline-block;
  background: var(--accent-cyan-bg);
  color: var(--accent-cyan);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.stage-intermediate-result {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.stage-intermediate-result strong {
  font-size: 1.2rem;
  color: var(--text-main);
}

.compound-summary-box {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  background: linear-gradient(145deg, var(--bg-card-subtle) 0%, rgba(56, 189, 248, 0.08) 100%);
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.compound-summary-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.summary-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
}

.summary-val {
  font-size: 1.4rem;
  color: var(--accent-cyan);
}

/* Sección de normas DIN 2215 */
.standards-section {
  margin-top: 1.5rem;
}

.standards-title {
  margin-top: 0;
  font-size: 1.15rem;
}

.standards-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* Guía técnica SEO y acordeón */
.seo-guide-section {
  margin-top: 2rem;
}

.seo-guide-header {
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.seo-guide-title {
  margin: 0 0 0.5rem 0;
  font-size: 1.25rem;
}

.seo-guide-subtitle {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.seo-guide-content h3 {
  font-size: 1.05rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.seo-guide-content p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.seo-guide-content ul {
  padding-left: 1.25rem;
  margin-bottom: 1rem;
}

.seo-guide-content li {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.seo-faq-accordion {
  margin-top: 1.5rem;
}

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

.seo-faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.15rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
}

.seo-faq-question::-webkit-details-marker {
  display: none;
}

.seo-faq-icon {
  transition: transform 0.2s ease;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

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

.seo-faq-answer {
  padding: 0 1.15rem 1rem 1.15rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Modales accesibles */
.custom-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.custom-modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 90vh;
}

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

.modal-title {
  margin: 0;
  font-size: 1.1rem;
}

.btn-close-modal {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  line-height: 1;
}

.modal-body {
  padding: 1.25rem;
  overflow-y: auto;
  font-size: 0.88rem;
  color: var(--text-main);
}

.modal-body pre {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.modal-footer {
  padding: 0.85rem 1.25rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
  color: #ffffff;
  padding: 0.5rem 1rem;
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 38px;
}

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

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 38px;
}

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

.btn-accent {
  background: var(--accent-emerald);
  border: 1px solid var(--accent-emerald);
  color: #ffffff;
  padding: 0.5rem 1rem;
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 38px;
}

.btn-accent:hover {
  opacity: 0.9;
}