/* ==========================================================================
   Simulador de amortización anticipada de hipoteca - Fijate Tools
   ========================================================================== */

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

  /* Paleta Modo Oscuro (Midnight Slate oficial de Fijate) */
  --bg-page: #0b0f17;
  --bg-card: #111827;
  --bg-card-hover: #162032;
  --bg-surface: #1e293b;
  --bg-surface-elevated: #283548;
  --bg-surface-subtle: rgba(255, 255, 255, 0.04);
  --border-color: rgba(255, 255, 255, 0.10);
  --border-highlight: rgba(255, 255, 255, 0.18);

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

  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-primary-glow: rgba(59, 130, 246, 0.25);

  --color-emerald: #10b981;
  --color-emerald-bg: rgba(16, 185, 129, 0.12);
  --color-emerald-border: rgba(16, 185, 129, 0.35);

  --color-accent: #8b5cf6;
  --color-accent-hover: #7c3aed;
  --color-accent-bg: rgba(139, 92, 246, 0.14);
  --color-accent-border: rgba(139, 92, 246, 0.4);

  --color-amber: #f59e0b;
  --color-amber-bg: rgba(245, 158, 11, 0.12);
  --color-amber-border: rgba(245, 158, 11, 0.3);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
}

[data-theme="light"],
body.light-theme {
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-surface: #f1f5f9;
  --bg-surface-elevated: #e2e8f0;
  --bg-surface-subtle: rgba(0, 0, 0, 0.03);
  --border-color: rgba(0, 0, 0, 0.10);
  --border-highlight: rgba(0, 0, 0, 0.18);

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;

  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-glow: rgba(37, 99, 235, 0.18);

  --color-emerald: #059669;
  --color-emerald-bg: rgba(16, 185, 129, 0.12);
  --color-emerald-border: rgba(5, 150, 105, 0.35);

  --color-accent: #7c3aed;
  --color-accent-hover: #6d28d9;
  --color-accent-bg: rgba(124, 58, 237, 0.12);
  --color-accent-border: rgba(124, 58, 237, 0.35);

  --color-amber: #d97706;
  --color-amber-bg: rgba(217, 119, 6, 0.12);
  --color-amber-border: rgba(217, 119, 6, 0.3);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.12);
}

/* ==========================================================================
   Reset y contención
   ========================================================================== */
*, *::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,
.section-title,
.panel-title,
.verdict-title {
  font-family: var(--font-heading);
  letter-spacing: -0.015em;
  font-weight: 700;
}

.price-val,
.mono,
.metric-number,
.stat-value,
code {
  font-family: var(--font-mono);
}

/* Utilitarios de texto */
.text-right { text-align: right; }
.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.text-emerald { color: var(--color-emerald) !important; }
.text-accent { color: var(--color-accent) !important; }
.text-amber { color: var(--color-amber) !important; }
.small-muted {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  display: block;
  margin-bottom: 0.25rem;
}

/* ==========================================================================
   Layout Principal y Card Main
   ========================================================================== */
.main-wrapper.tool-layout {
  max-width: 1280px;
  width: 100%;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  flex: 1 0 auto;
}

.tool-with-sidebar {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  width: 100%;
}

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

.card-main {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Encabezado Introductorio
   ========================================================================== */
.tool-intro-header {
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.intro-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 9999px;
}

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

.badge-neutral {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.badge-neutral strong {
  color: var(--text-main);
}

.tool-lead-description {
  font-size: 0.98rem;
  color: var(--text-muted);
  max-width: 900px;
  line-height: 1.6;
}

.tool-lead-description em {
  font-style: normal;
  color: var(--text-main);
  font-weight: 600;
}

/* ==========================================================================
   Workspace Grid (2 columnas)
   ========================================================================== */
.mortgage-workspace-grid {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  align-items: start;
}

.workspace-card {
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 0.75rem;
}

.panel-title {
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
}

.btn-text-action {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.btn-text-action:hover {
  text-decoration: underline;
  background-color: var(--bg-surface);
}

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

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

/* ==========================================================================
   Formularios y Controles Canónicos
   ========================================================================== */
.form-group {
  margin-bottom: 1.15rem;
}

.form-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.label-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-weight: 500;
}

.label-with-action {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.4rem;
}

.btn-text-subtle {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: color 0.15s;
}

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

/* Inputs en flexbox con sufijos */
.input-suffix-wrapper {
  display: flex;
  align-items: center;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
  min-height: 42px;
}

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

.highlight-input {
  border-color: var(--color-accent-border);
  background-color: var(--bg-surface);
}

.form-input {
  flex: 1 1 0%;
  width: 0;
  min-width: 0;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  padding: 0.55rem 0.85rem;
  outline: none;
}

.form-input-lg {
  font-size: 1.18rem;
  font-weight: 700;
}

.form-input-sm {
  font-size: 0.88rem;
  padding: 0.4rem 0.6rem;
}

.input-suffix {
  padding: 0.5rem 0.85rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  background-color: var(--bg-surface);
  border-left: 1px solid var(--border-color);
  user-select: none;
}

.input-subtext {
  display: block;
  font-size: 0.76rem;
  color: var(--text-dim);
  margin-top: 0.3rem;
  font-family: var(--font-mono);
}

/* Grilla para años / meses */
.dual-inputs-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

/* Select canónico estricto de Fijate Tools */
.form-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  height: 42px;
  padding: 0.5rem 40px 0.5rem 0.85rem;
  font-family: var(--font-main);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-main);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  cursor: pointer;
  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='%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 12px center;
  transition: border-color 0.2s;
}

.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

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

/* Chips rápidos */
.quick-chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.chip-btn {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.chip-btn:hover {
  border-color: var(--color-primary);
  color: var(--text-main);
}

.chip-btn.active {
  background-color: var(--color-accent-bg);
  border-color: var(--color-accent-border);
  color: var(--color-accent);
  font-weight: 700;
}

/* Separador de aportación */
.amortization-box-divider {
  position: relative;
  text-align: center;
  margin: 1.5rem 0 1.25rem;
}

.amortization-box-divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--border-color);
  z-index: 1;
}

.divider-badge {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--color-accent);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
}

/* Euríbor calc helper */
.euribor-calc-box {
  background-color: var(--bg-surface);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  margin-top: 0.6rem;
}

.euribor-calc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.btn-subtle-apply {
  width: 100%;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
}

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

/* Mini resumen actual */
.summary-mini-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: 1.25rem;
}

.mini-card-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  font-weight: 700;
  margin-bottom: 0.65rem;
}

.mini-card-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 0.5rem;
}

.mini-stat {
  display: flex;
  flex-direction: column;
}

.mini-stat-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.mini-stat-val {
  font-size: 0.95rem;
  color: var(--text-main);
  font-weight: 600;
}

/* ==========================================================================
   Panel de Resultados: Veredicto y Tarjetas Paralelas
   ========================================================================== */
.verdict-banner {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.18) 0%, rgba(16, 185, 129, 0.15) 100%);
  border: 1px solid var(--color-accent-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.12);
}

.verdict-icon {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-emerald) 100%);
  color: #ffffff;
  padding: 0.6rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.verdict-tagline {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.2rem;
}

.verdict-title {
  font-size: 1.3rem;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 0.35rem;
}

.highlight-money {
  color: var(--color-emerald);
  font-family: var(--font-mono);
  font-weight: 800;
  background-color: var(--color-emerald-bg);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
}

.verdict-explanation {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Grilla de Tarjetas de Decisión (Side-by-side) */
.decision-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.decision-card {
  position: relative;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}

.decision-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-winner {
  border-color: var(--color-accent-border);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.15);
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.05) 0%, var(--bg-card) 60%);
}

.decision-card-badge {
  position: absolute;
  top: -10px;
  right: 15px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: 9999px;
  text-transform: uppercase;
}

.badge-winner {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  box-shadow: 0 2px 8px rgba(139, 92, 246, 0.4);
}

.decision-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.15rem;
}

.decision-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon-cuota {
  background-color: rgba(59, 130, 246, 0.14);
  color: var(--color-primary);
}

.icon-plazo {
  background-color: var(--color-accent-bg);
  color: var(--color-accent);
}

.decision-title {
  font-size: 1.1rem;
  color: var(--text-main);
  line-height: 1.2;
}

.decision-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.decision-main-metric {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.15rem;
  text-align: center;
}

.metric-caption {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 600;
}

.metric-val-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: 0.35rem;
}

.metric-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-main);
}

.metric-unit {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
}

.metric-benefit-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  background-color: var(--color-emerald-bg);
  color: var(--color-emerald);
  border: 1px solid var(--color-emerald-border);
}

.badge-accent-subtle {
  background-color: var(--color-accent-bg);
  color: var(--color-accent);
  border-color: var(--color-accent-border);
}

.decision-details-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
  flex: 1 0 auto;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.86rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-label {
  color: var(--text-muted);
}

.detail-value {
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.detail-row-highlight {
  padding-top: 0.4rem;
  border-top: 2px solid var(--border-color);
}

.decision-footer-tip {
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--text-muted);
  background-color: var(--bg-surface-subtle);
  border-radius: var(--radius-sm);
  padding: 0.65rem;
  border-left: 3px solid var(--border-color);
}

.winner-tip {
  border-left-color: var(--color-accent);
  background-color: var(--color-accent-bg);
  color: var(--text-main);
}

/* ==========================================================================
   Gráficos Canvas 2D
   ========================================================================== */
.charts-container-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

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

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

.charts-tab-group {
  display: flex;
  gap: 0.35rem;
  background-color: var(--bg-surface);
  padding: 0.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.tab-chip {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
}

.tab-chip.active {
  background-color: var(--bg-card);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

.canvas-wrapper {
  position: relative;
  width: 100%;
  max-width: 100%;
}

#mortgage-canvas {
  width: 100%;
  height: 260px;
  display: block;
  border-radius: var(--radius-md);
  background-color: var(--bg-surface-subtle);
}

.canvas-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 0.85rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

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

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

/* ==========================================================================
   Cuadro de Amortización Recalculado
   ========================================================================== */
.amortization-table-section {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.table-section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.section-title {
  font-size: 1.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
}

.section-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.table-controls-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.scenario-pill-selector,
.view-pill-selector {
  display: flex;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.2rem;
}

.pill-btn,
.view-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
}

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

.btn-download-csv {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s;
}

.btn-download-csv:hover {
  border-color: var(--color-emerald);
  color: var(--color-emerald);
}

.table-scroll-container {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
}

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

.amortization-table th {
  background-color: var(--bg-surface);
  color: var(--text-muted);
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.amortization-table td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  white-space: nowrap;
}

.amortization-table tbody tr:hover {
  background-color: var(--bg-surface-subtle);
}

.amortization-table tfoot td {
  background-color: var(--bg-surface);
  font-weight: 700;
  border-top: 2px solid var(--border-color);
  padding: 0.8rem 1rem;
  color: var(--text-main);
}

.table-pagination-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}

.btn-pag {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
}

.btn-pag:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-pag:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination-info {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Guía Educativa y FAQ
   ========================================================================== */
.educational-section {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.educational-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0 2rem;
}

.edu-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
}

.edu-card-highlight {
  border-color: var(--color-accent-border);
  background: linear-gradient(180deg, var(--color-accent-bg) 0%, var(--bg-surface) 100%);
}

.edu-card-icon {
  margin-bottom: 0.75rem;
}

.edu-card-title {
  font-size: 1.05rem;
  color: var(--text-main);
  margin-bottom: 0.65rem;
}

.edu-card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.edu-card-list li {
  position: relative;
  padding-left: 1rem;
  line-height: 1.45;
}

.edu-card-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

.edu-card-text {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.edu-card-text strong {
  color: var(--text-main);
}

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

.faq-heading {
  font-size: 1.1rem;
  color: var(--text-main);
  margin-bottom: 0.85rem;
}

.faq-item {
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 0.65rem;
  overflow: hidden;
  transition: border-color 0.2s;
}

.faq-item[open] {
  border-color: var(--border-highlight);
  background-color: var(--bg-surface);
}

.faq-question {
  padding: 0.85rem 1.15rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  user-select: none;
  outline: none;
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-answer {
  padding: 0.5rem 1.15rem 1rem;
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.faq-answer strong {
  color: var(--text-main);
}

/* ==========================================================================
   Modales (sin alerts)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  max-width: 650px;
  width: 100%;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
}

.btn-modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.8rem;
  line-height: 1;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background-color 0.15s;
}

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

.modal-body {
  padding: 1.5rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.modal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.84rem;
}

.modal-table th {
  background-color: var(--bg-surface);
  color: var(--text-main);
  padding: 0.65rem 0.85rem;
  text-align: left;
  border-bottom: 2px solid var(--border-color);
}

.modal-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

.modal-callout {
  background-color: var(--color-amber-bg);
  border: 1px solid var(--color-amber-border);
  color: var(--color-amber);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.82rem;
  line-height: 1.5;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  display: flex;
  justify-content: flex-end;
}

.btn-primary-action {
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  min-height: 40px;
  transition: background-color 0.15s;
}

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

/* ==========================================================================
   Hoja de Impresión A4 (.print-sheet)
   ========================================================================== */
.print-sheet {
  display: none;
}

@media print {
  body {
    background-color: #ffffff !important;
    color: #000000 !important;
    font-size: 11pt !important;
  }

  .app-header,
  .tools-ad-banner-section,
  .tool-ad-sidebar,
  .fijate-footer,
  .card-main,
  .modal-overlay {
    display: none !important;
  }

  .print-sheet {
    display: block !important;
    width: 100% !important;
    max-width: 210mm !important;
    margin: 0 auto !important;
    padding: 15mm 20mm !important;
    background-color: #ffffff !important;
    color: #000000 !important;
  }

  .print-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #000000;
    padding-bottom: 12px;
    margin-bottom: 20px;
  }

  .print-brand {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .print-logo-img {
    width: 28px;
    height: 28px;
  }

  .print-brand-name {
    font-size: 18pt;
    font-weight: 800;
    font-family: var(--font-heading);
  }

  .print-doc-title {
    font-size: 13pt;
    font-weight: 700;
    text-align: right;
  }

  .print-doc-date {
    font-size: 9pt;
    color: #555555;
    text-align: right;
  }

  .print-summary-box {
    margin-bottom: 20px;
  }

  .print-sec-title {
    font-size: 11pt;
    font-weight: 700;
    border-bottom: 1px solid #cccccc;
    padding-bottom: 4px;
    margin-bottom: 8px;
    text-transform: uppercase;
  }

  .print-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 9.5pt;
    margin-bottom: 10px;
  }

  .print-table td,
  .print-table th {
    padding: 6px 8px;
    border: 1px solid #dddddd;
  }

  .print-compare-table th {
    background-color: #f2f2f2;
    text-align: left;
    font-weight: 700;
  }

  .print-highlight-row td {
    background-color: #eaf8f0;
    font-weight: 700;
  }

  .print-winner {
    color: #047857 !important;
  }

  .print-verdict-box {
    background-color: #f4f4f5;
    border: 1px solid #cccccc;
    padding: 10px;
    border-radius: 4px;
    font-size: 10pt;
    margin: 15px 0 25px;
  }

  .print-footer-legal {
    font-size: 7.5pt;
    color: #777777;
    border-top: 1px solid #dddddd;
    padding-top: 8px;
    line-height: 1.4;
  }
}

/* ==========================================================================
   Adaptabilidad Responsive (Móvil y Tablet)
   ========================================================================== */
@media (max-width: 1024px) {
  .mortgage-workspace-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .card-main {
    padding: 1.15rem;
    border-radius: var(--radius-lg);
  }

  .decision-cards-grid {
    grid-template-columns: 1fr;
  }

  .table-section-header {
    flex-direction: column;
    align-items: stretch;
  }

  .table-controls-row {
    flex-direction: column;
    align-items: stretch;
  }

  .scenario-pill-selector,
  .view-pill-selector {
    width: 100%;
  }

  .pill-btn,
  .view-btn {
    flex: 1;
    text-align: center;
  }

  .btn-download-csv,
  .btn-secondary-action,
  .btn-primary-action {
    width: 100%;
    justify-content: center;
    min-height: 42px;
  }

  .mini-card-stats {
    grid-template-columns: 1fr;
  }

  .verdict-banner {
    flex-direction: column;
    align-items: stretch;
  }

  .verdict-icon {
    align-self: flex-start;
  }
}