/**
 * Estilos canónicos del Simulador de Ecorregímenes y Requisitos de la PAC (2023-2027)
 * Diseñado conforme a los estándares visuales de Fijate Tools y Midnight Slate.
 */

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

  /* Paleta clara */
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --border-color: #e2e8f0;
  --border-focus: #16a34a;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;

  /* Acentos agrarios */
  --color-primary: #15803d;
  --color-primary-hover: #166534;
  --color-primary-light: #dcfce7;
  --color-accent: #0284c7;
  --color-accent-light: #e0f2fe;

  /* Semáforo RAG */
  --rag-success-bg: #f0fdf4;
  --rag-success-border: #22c55e;
  --rag-success-text: #15803d;
  --rag-warning-bg: #fffbeb;
  --rag-warning-border: #f59e0b;
  --rag-warning-text: #b45309;
  --rag-error-bg: #fef2f2;
  --rag-error-border: #ef4444;
  --rag-error-text: #b91c1c;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 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);
}

/* Modo oscuro corporativo (Midnight Slate) */
[data-theme="dark"] {
  --bg-page: #0b0f17;
  --bg-card: #131b26;
  --bg-card-subtle: #1a2433;
  --border-color: #243142;
  --border-focus: #22c55e;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  --color-primary: #22c55e;
  --color-primary-hover: #16a34a;
  --color-primary-light: rgba(34, 197, 94, 0.15);
  --color-accent: #38bdf8;
  --color-accent-light: rgba(56, 189, 248, 0.15);

  --rag-success-bg: rgba(34, 197, 94, 0.12);
  --rag-success-border: #22c55e;
  --rag-success-text: #4ade80;
  --rag-warning-bg: rgba(245, 158, 11, 0.12);
  --rag-warning-border: #f59e0b;
  --rag-warning-text: #fbbf24;
  --rag-error-bg: rgba(239, 68, 68, 0.12);
  --rag-error-border: #ef4444;
  --rag-error-text: #f87171;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

/* Reseteo básico y contención canónica */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-page);
  color: var(--text-main);
  margin: 0;
  padding: 0;
  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,
.card-title {
  font-family: var(--font-heading);
  letter-spacing: -0.015em;
  margin-top: 0;
}

.mono {
  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%;
}

/* Cabecera hero de la herramienta */
.tool-hero {
  background: linear-gradient(135deg, rgba(21, 128, 61, 0.08) 0%, rgba(2, 132, 199, 0.05) 100%);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.75rem;
  margin-bottom: 1.75rem;
}

[data-theme="dark"] .tool-hero {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.06) 0%, rgba(56, 189, 248, 0.04) 100%);
}

.tool-hero-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.tool-hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0 0 1.25rem 0;
  max-width: 900px;
}

/* Barra de presets de 1 clic */
.presets-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.presets-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-right: 0.25rem;
}

.btn-preset {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.btn-preset:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

/* Tarjetas y módulos principales */
.card-main {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.75rem;
  margin-bottom: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.card-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Grid de formulario responsivo */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.form-label-help {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  min-height: 42px;
  padding: 0.6rem 0.85rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--text-main);
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  box-sizing: border-box;
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15);
}

/* Formato select con flecha estilizada */
select.form-control {
  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%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
  cursor: pointer;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-theme="dark"] select.form-control {
  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%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
}

/* Casillas de verificación personalizadas */
.checkbox-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.checkbox-card:hover {
  border-color: var(--color-primary);
}

.checkbox-card input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 0.15rem;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.checkbox-card-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.checkbox-card-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
}

.checkbox-card-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Subsecciones de auditoría técnica */
.audit-box {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.25rem;
  margin-top: 1rem;
}

.audit-box-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.badge-calc {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  font-family: var(--font-mono);
}

/* Semáforo RAG Banner */
.status-banner {
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  border: 1px solid transparent;
  transition: all 0.25s ease;
}

.status-banner.success {
  background-color: var(--rag-success-bg);
  border-color: var(--rag-success-border);
}

.status-banner.warning {
  background-color: var(--rag-warning-bg);
  border-color: var(--rag-warning-border);
}

.status-banner.error {
  background-color: var(--rag-error-bg);
  border-color: var(--rag-error-border);
}

.status-pill {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  margin-bottom: 0.35rem;
}

.status-pill.success {
  background-color: var(--rag-success-border);
  color: #ffffff;
}

.status-pill.warning {
  background-color: var(--rag-warning-border);
  color: #ffffff;
}

.status-pill.error {
  background-color: var(--rag-error-border);
  color: #ffffff;
}

.status-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 0.35rem 0;
  color: var(--text-main);
}

.status-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0;
}

/* Lista de checks detallados */
.checks-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.check-card {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left-width: 4px;
}

.check-card.success {
  border-left-color: var(--rag-success-border);
}

.check-card.warning {
  border-left-color: var(--rag-warning-border);
}

.check-card.error {
  border-left-color: var(--rag-error-border);
}

.check-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.check-card.success .check-icon {
  background: var(--rag-success-bg);
  color: var(--rag-success-text);
}

.check-card.warning .check-icon {
  background: var(--rag-warning-bg);
  color: var(--rag-warning-text);
}

.check-card.error .check-icon {
  background: var(--rag-error-bg);
  color: var(--rag-error-text);
}

.check-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 0.15rem 0;
  color: var(--text-main);
}

.check-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

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

.kpi-card {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}

.kpi-card.highlight {
  background: linear-gradient(135deg, rgba(21, 128, 61, 0.1) 0%, rgba(2, 132, 199, 0.08) 100%);
  border-color: var(--color-primary);
}

.kpi-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.35rem;
}

.kpi-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

.kpi-card.highlight .kpi-value {
  color: var(--color-primary);
}

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

/* Tabla de liquidación por tramos */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 1.5rem;
}

.table-liquidation {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table-liquidation th,
.table-liquidation td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

.table-liquidation th {
  background-color: var(--bg-card-subtle);
  font-weight: 600;
  color: var(--text-muted);
}

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

.table-liquidation .text-right {
  text-align: right;
}

.table-liquidation .highlight-row {
  background-color: var(--color-primary-light);
}

.table-liquidation .total-row {
  background-color: var(--bg-card-subtle);
  font-weight: 700;
  font-size: 0.98rem;
}

/* Calendario y cuaderno de campo CUE / SIEX */
.calendar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1.75rem;
}

.calendar-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  color: var(--color-accent);
}

.calendar-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-main);
}

.calendar-period-badge {
  display: inline-block;
  padding: 0.3rem 0.65rem;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.85rem;
}

.obligations-list {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

/* Acciones principales y botones */
.actions-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.4rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  min-height: 44px;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem 1.4rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  min-height: 44px;
}

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

/* Modales accesibles */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modalScale 0.2s ease-out;
}

@keyframes modalScale {
  from {
    transform: scale(0.95);
  }
  to {
    transform: scale(1);
  }
}

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

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-main);
}

.modal-close-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0.35rem;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

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

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1 1 auto;
}

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

/* Guía SEO y acordeones explicativos */
.guide-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.75rem;
  margin-top: 2rem;
  box-shadow: var(--shadow-sm);
}

.guide-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.guide-p {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.faq-accordion {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.faq-accordion summary {
  padding: 1rem 1.25rem;
  background-color: var(--bg-card);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.15s ease;
}

.faq-accordion summary:hover {
  background-color: var(--bg-card-subtle);
}

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

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

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

.faq-accordion-body {
  padding: 1.25rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-card-subtle);
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Responsive móvil */
@media (max-width: 768px) {
  .tool-hero {
    padding: 1.25rem;
  }
  .tool-hero-title {
    font-size: 1.45rem;
  }
  .card-main {
    padding: 1.25rem;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  .actions-bar {
    flex-direction: column;
  }
  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}

/* Estilos de impresión limpia */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .app-header,
  .tool-ad-sidebar,
  .tools-ad-banner-section,
  .actions-bar,
  .presets-bar,
  .fijate-footer,
  .affiliate-showcase-container,
  .related-tools-section,
  .guide-card,
  #btn-theme-toggle {
    display: none !important;
  }
  .tool-layout {
    margin: 0 !important;
    padding: 0 !important;
    max-width: 100% !important;
  }
  .tool-with-sidebar {
    display: block !important;
  }
  .card-main {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
  }
  .modal-backdrop.active {
    position: static !important;
    background: none !important;
    padding: 0 !important;
  }
  .modal-dialog {
    max-width: 100% !important;
    box-shadow: none !important;
    border: none !important;
  }
  .modal-header, .modal-footer {
    display: none !important;
  }
}