/* ==========================================================================
   Calculadora de reducción de jornada por guarda legal • Estilos CSS
   ========================================================================== */

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

  /* Paleta cromática tema claro (por defecto) */
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-border: #bfdbfe;
  
  --success: #10b981;
  --success-light: #ecfdf5;
  --success-border: #a7f3d0;
  --success-text: #065f46;

  --danger: #ef4444;
  --danger-light: #fef2f2;
  --danger-border: #fecaca;
  --danger-text: #991b1b;

  --purple: #8b5cf6;
  --purple-light: #f5f3ff;
  --purple-border: #ddd6fe;

  --amber: #f59e0b;
  --amber-light: #fffbeb;
  --amber-border: #fde68a;
  --amber-text: #92400e;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

/* Modo oscuro corporativo (Midnight Slate) */
[data-theme="dark"] {
  --bg-page: #0b0f17;
  --bg-card: #131b26;
  --bg-card-subtle: #1a2434;
  --bg-input: #0f1724;
  --border-color: #233044;
  --border-focus: #60a5fa;

  --text-main: #f1f5f9;
  --text-muted: #cbd5e1;
  --text-dim: #94a3b8;

  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --primary-light: rgba(59, 130, 246, 0.15);
  --primary-border: #1e3a8a;

  --success: #34d399;
  --success-light: rgba(16, 185, 129, 0.15);
  --success-border: #064e3b;
  --success-text: #a7f3d0;

  --danger: #f87171;
  --danger-light: rgba(239, 68, 68, 0.15);
  --danger-border: #7f1d1d;
  --danger-text: #fca5a5;

  --purple: #a78bfa;
  --purple-light: rgba(139, 92, 246, 0.15);
  --purple-border: #4c1d95;

  --amber: #fbbf24;
  --amber-light: rgba(245, 158, 11, 0.15);
  --amber-border: #78350f;
  --amber-text: #fde68a;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-page);
  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,
.intro-title,
.card-section-title,
.faq-section-title {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
}

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

.font-bold {
  font-weight: 700;
}

/* Layout de la herramienta */
.tool-layout {
  max-width: 1200px;
  width: 100%;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  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;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Sidebar publicitaria canónica (>= 1536px) */
.tool-ad-sidebar {
  width: 300px;
  flex-shrink: 0;
}

.ad-sticky-box {
  position: sticky;
  top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Tarjeta principal */
.card-main {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
}

/* Barra de pestañas modular */
.nav-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  background-color: var(--bg-card-subtle);
  padding: 0.35rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.75rem;
}

.tab-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 0.75rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 42px;
  text-align: center;
}

.tab-btn:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.4);
}

[data-theme="dark"] .tab-btn:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  background-color: var(--bg-card);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Tarjeta introductoria de panel */
.panel-intro-card {
  background: linear-gradient(135deg, var(--primary-light), var(--bg-card-subtle));
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

.intro-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.6rem;
  background-color: var(--primary);
  color: #ffffff;
  border-radius: 9999px;
  margin-bottom: 0.5rem;
}

.intro-title {
  font-size: 1.25rem;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.intro-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Cuadrícula de cálculo (Pestaña 1) */
.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 1.5rem;
  align-items: flex-start;
}

.form-card,
.results-card {
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.card-section-title {
  font-size: 1.05rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.6rem;
}

.card-section-title svg {
  color: var(--primary);
  flex-shrink: 0;
}

/* Formularios y controles */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  width: 100%;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-row-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  width: 100%;
}

.form-row-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  width: 100%;
}

.form-control {
  width: 100%;
  height: 42px;
  min-height: 40px;
  padding: 0 0.75rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* Desplegables <select> conforme a regla obligatoria */
.form-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 42px;
  min-height: 40px;
  padding: 0 40px 0 0.75rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.95rem;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' 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 12px center;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.form-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-select option {
  background-color: var(--bg-card);
  color: var(--text-main);
}

/* Inputs con sufijo (moneda o unidades) */
.input-suffix-wrapper {
  display: flex;
  align-items: center;
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease;
}

.input-suffix-wrapper:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.input-suffix-wrapper .form-control {
  flex: 1 1 0%;
  width: 0;
  min-width: 0;
  border: none;
  background: transparent;
  box-shadow: none;
}

.input-suffix {
  padding: 0 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  user-select: none;
  white-space: nowrap;
}

/* Botones rápidos de reducción */
.preset-badges-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.4rem;
}

.preset-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.25rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 48px;
}

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

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

.preset-fraction {
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.1;
}

.preset-pct {
  font-size: 0.7rem;
  opacity: 0.85;
}

.preset-btn.active .preset-pct {
  opacity: 1;
  color: #ffffff;
}

/* Slider de reducción */
.slider-box {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.slider-value {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
}

.form-range {
  width: 100%;
  accent-color: var(--primary);
  cursor: pointer;
  height: 6px;
}

.range-limits {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ==========================================================
   RESULTADOS (COLUMNA 2)
   ========================================================== */

/* Tarjeta heroica con doble impacto */
.hero-impact-box {
  background: linear-gradient(135deg, var(--bg-card), var(--primary-light));
  border: 2px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.hero-impact-grid {
  display: grid;
  grid-template-columns: 1fr auto 1.25fr;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.hero-impact-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.25rem;
}

.hero-impact-val {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
}

.hero-impact-val.highlight {
  color: var(--primary);
}

.hero-impact-sub {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  display: block;
  margin-top: 0.35rem;
}

.hero-impact-divider {
  width: 1px;
  height: 55px;
  background-color: var(--border-color);
}

.hero-impact-footnote {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--primary-border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-impact-footnote svg {
  color: var(--success);
  flex-shrink: 0;
}

/* Tarjeta KPI: Coste por hora libre ganada */
.kpi-metric-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background-color: var(--success-light);
  border: 1px solid var(--success-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
}

.kpi-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--success-text);
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}

.kpi-number-row {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.kpi-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--success-text);
  line-height: 1;
}

.kpi-unit {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--success-text);
  opacity: 0.9;
}

.kpi-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
  line-height: 1.35;
}

.kpi-metric-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: rgba(16, 185, 129, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--success-text);
  flex-shrink: 0;
}

/* Tabla comparativa */
.table-section-title {
  font-size: 0.95rem;
  color: var(--text-main);
  margin-top: 0.25rem;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}

.comparison-table th {
  background-color: var(--bg-card-subtle);
  color: var(--text-muted);
  font-weight: 700;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.comparison-table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  white-space: nowrap;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table .highlight-row td {
  background-color: var(--primary-light);
  font-weight: 700;
}

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

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

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

/* Gráfico de barras visual */
.chart-wrapper {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.chart-header {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
}

.chart-bar-group {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.chart-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.chart-track {
  width: 100%;
  height: 10px;
  background-color: var(--bg-card-subtle);
  border-radius: 9999px;
  overflow: hidden;
}

.chart-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.3s ease;
}

.fill-hours { background-color: var(--amber); }
.fill-gross { background-color: var(--danger); }
.fill-net { background-color: var(--primary); }

/* Botones de acción */
.results-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 42px;
  min-height: 40px;
  padding: 0 1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  border: none;
  text-decoration: none;
}

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

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

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

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

/* ==========================================================
   PESTAÑA 2: COTIZACIONES Y SEGURIDAD SOCIAL
   ========================================================== */

.dates-calc-box {
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.timeline-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.timeline-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}

.badge-success {
  background-color: var(--success-light);
  color: var(--success-text);
  border: 1px solid var(--success-border);
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.timeline-bars-track {
  display: flex;
  width: 100%;
  height: 52px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.timeline-segment {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.5rem;
  text-align: center;
  line-height: 1.2;
}

.segment-100 {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.35));
  border-right: 2px solid var(--success);
  flex: 2;
}

.segment-real {
  background: var(--bg-card-subtle);
  flex: 3;
}

.segment-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-main);
}

.segment-badge {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.segment-100 .segment-badge {
  color: var(--success-text);
  font-weight: 600;
}

.timeline-milestones {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.milestone-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.milestone-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--primary);
  flex-shrink: 0;
}

.coverage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

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

.coverage-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon-blue { background-color: var(--primary-light); color: var(--primary); }
.icon-emerald { background-color: var(--success-light); color: var(--success); }
.icon-purple { background-color: var(--purple-light); color: var(--purple); }
.icon-amber { background-color: var(--amber-light); color: var(--amber); }

.coverage-content {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.coverage-title {
  font-size: 1rem;
  color: var(--text-main);
}

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

.coverage-tag {
  display: inline-block;
  align-self: flex-start;
  margin-top: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.tag-full {
  background-color: var(--success-light);
  color: var(--success-text);
  border: 1px solid var(--success-border);
}

/* ==========================================================
   PESTAÑA 3: CONCRECIÓN HORARIA Y ESCRITO FORMAL
   ========================================================== */

.concrecion-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 1.5rem;
  align-items: flex-start;
}

.concrecion-form-card,
.concrecion-preview-card {
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.subsection-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.4rem;
}

.notice-alert-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--primary-light);
  border: 1px solid var(--primary-border);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-main);
}

.notice-alert-box svg {
  color: var(--primary);
  flex-shrink: 0;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.preview-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.preview-actions {
  display: flex;
  gap: 0.5rem;
}

.btn-copy-doc,
.btn-print-doc {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  height: 36px;
  min-height: 36px;
  padding: 0 0.75rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-copy-doc:hover,
.btn-print-doc:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: var(--primary-light);
}

/* Papel del escrito formal */
.letter-paper {
  background-color: #ffffff;
  color: #1e293b;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  font-family: 'Inter', Georgia, serif;
  font-size: 0.9rem;
  line-height: 1.6;
  box-shadow: var(--shadow-sm);
  max-height: 520px;
  overflow-y: auto;
}

[data-theme="dark"] .letter-paper {
  background-color: #0f172a;
  color: #e2e8f0;
  border-color: #334155;
}

.letter-paper p {
  margin-bottom: 0.9rem;
}

.letter-paper strong {
  font-weight: 700;
}

/* ==========================================================
   PESTAÑA 4: BLINDAJE LEGAL Y DESPIDO NULO
   ========================================================== */

.shield-banner {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: linear-gradient(135deg, var(--bg-card-subtle), var(--success-light));
  border: 2px solid var(--success);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.shield-badge-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background-color: var(--success);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.shield-title {
  font-size: 1.2rem;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.shield-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.shield-consequences {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.consequence-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-main);
}

.consequence-item svg {
  color: var(--success);
  flex-shrink: 0;
}

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

.section-lead-text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.indemnity-comparison-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.indemnity-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.35rem;
}

.box-legal {
  border-color: var(--success);
  background-color: var(--success-light);
}

.box-wrong {
  border-color: var(--danger-border);
  background-color: var(--danger-light);
}

.box-diff {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.indemnity-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.badge-danger {
  color: var(--danger-text);
}

.badge-highlight {
  color: var(--primary);
}

.indemnity-amount {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
}

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

.dispute-guide-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.guide-title {
  font-size: 1rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.guide-steps {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.guide-step-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.step-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--primary);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-body {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* ==========================================================
   SECCIÓN DE PREGUNTAS FRECUENTES (FAQ)
   ========================================================== */

.faq-section {
  margin-top: 2.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

.faq-section-title {
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

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

.faq-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.15s ease;
}

.faq-item[open] {
  border-color: var(--primary-border);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  user-select: none;
  list-style: none;
  color: var(--text-main);
}

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

.faq-arrow {
  color: var(--text-dim);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-item[open] .faq-arrow {
  transform: rotate(180deg);
  color: var(--primary);
}

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

/* ==========================================================
   MODAL CANÓNICO (NO ALERT) Y TOAST FEEDBACK
   ========================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 480px;
  width: 100%;
  animation: modalPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

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

.modal-title {
  font-size: 1.1rem;
  color: var(--text-main);
}

.btn-close-modal {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.2rem 0.5rem;
}

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

.modal-body {
  padding: 1.25rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.modal-footer {
  padding: 0.75rem 1.25rem;
  background-color: var(--bg-card-subtle);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
}

/* Toast flotante de copiado */
.toast-feedback {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: #0f172a;
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 10001;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

[data-theme="dark"] .toast-feedback {
  background-color: #1e293b;
  border: 1px solid #334155;
}

.toast-feedback.visible {
  opacity: 1;
  transform: translateY(0);
}

.toast-feedback svg {
  color: #10b981;
}

/* ==========================================================
   RESPONSIVIDAD Y DISPOSITIVOS MÓVILES
   ========================================================== */

@media (max-width: 1024px) {
  .calc-grid,
  .concrecion-grid {
    grid-template-columns: 1fr;
  }

  .coverage-grid {
    grid-template-columns: 1fr;
  }

  .nav-tabs {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .tool-layout {
    margin: 1rem auto 2rem;
    padding: 0 0.75rem;
  }

  .card-main {
    padding: 1rem;
  }

  .nav-tabs {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .tab-btn {
    justify-content: flex-start;
    padding: 0.65rem 0.85rem;
  }

  .form-row-2,
  .form-row-3,
  .timeline-milestones,
  .indemnity-comparison-grid {
    grid-template-columns: 1fr;
  }

  .preset-badges-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-impact-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .hero-impact-divider {
    display: none;
  }

  .results-actions {
    grid-template-columns: 1fr;
  }
}