/* ==========================================================================
   FIJATE TOOLS - GESTOR Y FACTURACIÓN PARA ARRENDADORES
   Estilos principales, tema claro / oscuro, responsive y reglas de impresión A4
   ========================================================================== */

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

  /* Paleta cromática - Modo claro */
  --bg-app: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  --border-focus: #2563eb;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-subtle: #eff6ff;
  --primary-border: #bfdbfe;

  --success: #16a34a;
  --success-subtle: #f0fdf4;
  --success-border: #bbf7d0;

  --danger: #dc2626;
  --danger-subtle: #fef2f2;
  --danger-border: #fecaca;

  --accent-pro: #0284c7;
  --accent-pro-subtle: #f0f9ff;

  --sheet-bg: #ffffff;
  --sheet-border: #cbd5e1;
  --sheet-header-bg: #0f172a;
  --sheet-header-text: #ffffff;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
}

/* Modo oscuro institucional */
[data-theme="dark"] {
  --bg-app: #0b0f17;
  --bg-card: #131b2a;
  --bg-card-subtle: #1a2436;
  --bg-input: #0f1726;
  --border-color: #243247;
  --border-focus: #38bdf8;

  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-dim: #94a3b8;

  --primary: #38bdf8;
  --primary-hover: #0ea5e9;
  --primary-subtle: rgba(56, 189, 248, 0.12);
  --primary-border: #0369a1;

  --success: #22c55e;
  --success-subtle: rgba(34, 197, 94, 0.12);
  --success-border: #15803d;

  --danger: #f87171;
  --danger-subtle: rgba(248, 113, 113, 0.12);
  --danger-border: #b91c1c;

  --accent-pro: #38bdf8;
  --accent-pro-subtle: rgba(56, 189, 248, 0.1);

  --sheet-bg: #111827;
  --sheet-border: #374151;
  --sheet-header-bg: #030712;
  --sheet-header-text: #f9fafb;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.6);
}

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

h1, h2, h3, h4, h5, h6,
.brand-title,
.section-title,
.form-section-title,
.pro-hero-title,
.dash-title {
  font-family: var(--font-heading);
  letter-spacing: -0.015em;
  font-weight: 700;
}

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

/* Layout y contención canónica */
.tool-layout {
  max-width: 1200px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  flex: 1 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.tool-with-sidebar {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  width: 100%;
}

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

/* Tarjeta principal */
.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-sm);
  box-sizing: border-box;
  margin-bottom: 1.5rem;
}

/* Pestañas superiores de la suite */
.tabs-nav-container {
  margin-bottom: 1.5rem;
}

.tabs-nav {
  display: flex;
  gap: 0.5rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.35rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs-nav::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  border: none;
  font-family: var(--font-main);
  font-size: 0.925rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  min-height: 40px;
}

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

.tab-btn.is-active {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .tab-btn.is-active {
  background-color: var(--primary);
  color: #0b0f17;
  font-weight: 700;
}

.tab-pane {
  display: none;
}

.tab-pane.is-active {
  display: block;
}

/* ==========================================================================
   PESTAÑA 1: EMISOR (FORMULARIO Y VISTA PREVIA)
   ========================================================================== */

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

@media (max-width: 992px) {
  .emisor-grid {
    grid-template-columns: 1fr;
  }
}

.form-header-group {
  margin-bottom: 1.25rem;
}

.form-section-title {
  margin: 0 0 0.25rem;
  font-size: 1.25rem;
  color: var(--text-main);
}

.form-section-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Acordeones del formulario */
.form-accordion {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  background-color: var(--bg-card-subtle);
  overflow: hidden;
}

.accordion-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  cursor: pointer;
  user-select: none;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-main);
  background-color: var(--bg-card-subtle);
  transition: background 0.15s ease;
}

.accordion-summary:hover {
  background-color: var(--border-color);
}

.summary-title {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.accordion-content {
  padding: 1rem;
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
}

/* Campos de formulario */
.form-group {
  margin-bottom: 1rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.field-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.35rem;
}

.field-label {
  display: block;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.field-label-row .field-label {
  margin-bottom: 0;
}

.field-actions-inline {
  display: flex;
  gap: 0.65rem;
}

.btn-text-link {
  background: transparent;
  border: none;
  font-family: var(--font-main);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.btn-text-link:hover {
  opacity: 0.8;
}

.input-field {
  width: 100%;
  box-sizing: border-box;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.925rem;
  min-height: 40px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input-field:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Desplegables con elipsis y flecha SVG canónica */
.select-field {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  box-sizing: border-box;
  padding: 0.65rem 40px 0.65rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-input);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.925rem;
  min-height: 40px;
  outline: none;
  cursor: pointer;
  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;
  transition: border-color 0.2s ease;
  color-scheme: light;
}

.select-field:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

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

[data-theme="dark"] .select-field {
  color-scheme: dark;
  background-color: var(--bg-input);
  color: var(--text-main);
  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");
}

[data-theme="dark"] .select-field option,
[data-theme="dark"] .select-field optgroup {
  background-color: #131b2a;
  color: #f8fafc;
}

.input-with-suffix {
  display: flex;
  align-items: center;
  width: 100%;
}

.input-with-suffix .input-field {
  flex: 1 1 0%;
  width: 0;
  min-width: 0;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-suffix {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-left: none;
  border-top-right-radius: var(--radius-sm);
  border-bottom-right-radius: var(--radius-sm);
  padding: 0 0.85rem;
  min-height: 40px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-dim);
}

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

.grid-3col {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

@media (max-width: 540px) {
  .grid-2col, .grid-3col {
    grid-template-columns: 1fr;
  }
}

.serie-num-group {
  display: flex;
  gap: 0.5rem;
}

.text-center {
  text-align: center;
}

/* Botones de acción */
.actions-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.btn-primary,
.btn-secondary,
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  box-sizing: border-box;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 0.925rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  border: none;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}

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

[data-theme="dark"] .btn-primary {
  background-color: var(--primary);
  color: #0b0f17;
  font-weight: 700;
}

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

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

.btn-outline {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

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

/* ==========================================================================
   VISTA PREVIA DE FACTURA (HOJA A4)
   ========================================================================== */

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

.preview-toolbar-title {
  font-size: 0.925rem;
  font-weight: 700;
  color: var(--text-main);
}

.preview-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  background-color: var(--primary-subtle);
  color: var(--primary);
  border: 1px solid var(--primary-border);
}

.invoice-sheet {
  background-color: var(--sheet-bg);
  border: 1px solid var(--sheet-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  color: var(--text-main);
  box-sizing: border-box;
}

.sheet-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--sheet-border);
  margin-bottom: 1.5rem;
}

.sheet-doc-title {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  color: var(--text-main);
}

.sheet-doc-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.sheet-header-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
}

.sheet-doc-type-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-align: right;
  max-width: 220px;
  line-height: 1.3;
}

.sheet-reg-badge {
  background-color: var(--primary-subtle);
  color: var(--primary);
  border: 1px solid var(--primary-border);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.sheet-parties-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 600px) {
  .sheet-parties-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.sheet-party-box {
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.party-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-dim);
  margin-bottom: 0.25rem;
}

.party-name {
  display: block;
  font-size: 1rem;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.party-detail {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Ficha del inmueble objeto de arrendamiento */
.sheet-property-box {
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  margin-bottom: 1.5rem;
}

.property-tag-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 0.4rem;
}

.property-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-dim);
}

.property-dest {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
}

.property-data-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
}

@media (max-width: 600px) {
  .property-data-grid {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

.property-field-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.15rem;
}

.property-field-val {
  font-size: 0.85rem;
  color: var(--text-main);
}

.sheet-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}

.sheet-table th {
  background-color: var(--bg-card-subtle);
  color: var(--text-dim);
  font-weight: 700;
  text-align: left;
  padding: 0.65rem 0.85rem;
  border-bottom: 2px solid var(--sheet-border);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.sheet-table td {
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

.sheet-totals-wrapper {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1.5rem;
}

.sheet-totals-table {
  width: 100%;
  max-width: 380px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.sheet-totals-table td {
  padding: 0.4rem 0.5rem;
}

.sheet-totals-table .total-row td {
  border-top: 2px solid var(--text-main);
  font-size: 1.15rem;
  font-weight: 800;
  padding-top: 0.75rem;
}

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

.text-success {
  color: var(--success) !important;
}

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

.text-bold {
  font-weight: 800;
}

/* Bloque inferior: Cobro, Firmas y Pie formal */
.sheet-bottom-section {
  border-top: 1px dashed var(--sheet-border);
  padding-top: 1.25rem;
}

.sheet-payment-card {
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  margin-bottom: 1.25rem;
}

.payment-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.4rem;
}

.payment-card-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-dim);
}

.payment-card-vencimiento {
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 600;
}

.payment-card-body {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-main);
}

.payment-method-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.iban-badge {
  font-family: var(--font-mono);
  background-color: var(--primary-subtle);
  color: var(--primary);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

/* Firmas formales de emisor e inquilino */
.sheet-signatures-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 600px) {
  .sheet-signatures-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.signature-box {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  background-color: var(--bg-card-subtle);
}

.sig-header {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.sig-space {
  height: 48px;
  border-bottom: 1px dashed var(--border-focus);
  margin-bottom: 0.4rem;
}

.sig-name {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Pie legal reglamentario y RGPD */
.sheet-legal-footer {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.sheet-legal-disclaimer {
  margin: 0 0 0.35rem 0;
}

.sheet-rgpd-text {
  margin: 0;
  font-size: 0.7rem;
  opacity: 0.85;
}

/* ==========================================================================
   PESTAÑA 2: MODELO 303 Y LIBRO DE IVA
   ========================================================================== */

.m303-header-card {
  margin-bottom: 1.5rem;
}

.m303-controls-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.filter-group {
  flex: 1 1 180px;
  min-width: 160px;
}

.btn-group-auto {
  display: flex;
  gap: 0.5rem;
  flex: 2 1 320px;
}

@media (max-width: 640px) {
  .btn-group-auto {
    flex-direction: column;
    width: 100%;
  }
}

.m303-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .m303-grid {
    grid-template-columns: 1fr;
  }
}

.aeat-mirror-card {
  border-left: 4px solid var(--primary);
}

.aeat-mirror-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.aeat-boxes-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.aeat-box-row {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  gap: 1rem;
}

.aeat-box-num {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1rem;
  color: var(--primary);
  min-width: 50px;
}

.aeat-box-desc {
  flex: 1 1 auto;
  font-size: 0.85rem;
  line-height: 1.3;
}

.aeat-box-desc span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.aeat-box-val {
  font-size: 1.05rem;
  font-weight: 700;
  text-align: right;
  white-space: nowrap;
}

.aeat-divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  margin: 0.5rem 0;
}

.aeat-divider::before,
.aeat-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px dashed var(--border-color);
}

.aeat-divider span {
  padding: 0 0.75rem;
}

.highlight-box {
  border-color: var(--primary-border);
  background-color: var(--primary-subtle);
}

.result-row {
  background-color: var(--sheet-header-bg);
  color: var(--sheet-header-text);
  border-color: var(--border-focus);
}

.result-row .aeat-box-num {
  color: #38bdf8;
}

.result-row .aeat-box-val {
  color: #38bdf8;
  font-size: 1.25rem;
}

.aeat-actions-foot {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
}

/* Libro de gastos y facturas */
.ledger-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.ledger-tab-btn {
  background: transparent;
  border: none;
  font-family: var(--font-main);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.ledger-tab-btn.is-active {
  background-color: var(--bg-card-subtle);
  color: var(--text-main);
  font-weight: 700;
}

.quick-add-gasto {
  background-color: var(--bg-card-subtle);
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.ledger-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 480px;
  overflow-y: auto;
}

.ledger-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.ledger-item-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.ledger-item-title {
  font-weight: 600;
  color: var(--text-main);
}

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

.ledger-item-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-del-item {
  background: transparent;
  border: none;
  color: var(--danger);
  cursor: pointer;
  padding: 0.25rem;
  font-size: 1.1rem;
  line-height: 1;
}

/* ==========================================================================
   SECCIÓN SEO Y GUÍA
   ========================================================================== */

.seo-guide-section {
  margin-top: 2rem;
}

.seo-title {
  font-size: 1.35rem;
  margin: 0 0 1.25rem;
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 860px) {
  .seo-grid {
    grid-template-columns: 1fr;
  }
}

.seo-card h3 {
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
  color: var(--text-main);
}

.seo-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ==========================================================================
   MODAL Y TOAST NATIVOS
   ========================================================================== */

.fijate-modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.fijate-modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

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

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

.btn-modal-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0;
}

.fijate-modal-body {
  padding: 1.5rem;
  font-size: 0.925rem;
  line-height: 1.6;
  color: var(--text-muted);
}

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

.fijate-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: #0f172a;
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
  z-index: 10000;
  transition: opacity 0.3s ease;
}

/* ==========================================================================
   PANEL PRIVADO DE GESTIÓN EN BASE DE DATOS (MariaDB - Token MDM1508)
   ========================================================================== */

.tab-btn-private {
  border-bottom-color: transparent;
  color: var(--accent-pro);
}

.tab-btn-private.is-active {
  color: var(--accent-pro);
  border-bottom-color: var(--accent-pro);
}

.db-panel-card {
  padding: 1.75rem;
}

.db-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.75rem;
}

.db-panel-info {
  flex: 1 1 300px;
}

.db-panel-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  background-color: var(--success-subtle);
  color: var(--success);
  border: 1px solid var(--success-border);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 9999px;
  margin-bottom: 0.5rem;
}

.db-panel-title {
  margin: 0 0 0.4rem;
  font-size: 1.35rem;
  font-family: var(--font-heading);
  color: var(--text-main);
}

.db-panel-desc {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.db-panel-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.db-section {
  margin-bottom: 2rem;
}

.db-section:last-child {
  margin-bottom: 0;
}

.db-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
}

.db-section-title {
  margin: 0;
  font-size: 1.05rem;
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
}

.db-section-count {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-weight: 600;
  background-color: var(--bg-card-subtle);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.db-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

.db-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  text-align: left;
}

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

.db-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  vertical-align: middle;
}

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

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

.db-table .actions-cell {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.db-emit-section {
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 2rem;
}

.db-emit-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 1rem;
  align-items: flex-end;
  margin-top: 0.85rem;
}

.db-emit-action-col {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.db-badge-ok {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--success);
  background-color: var(--success-subtle);
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  border: 1px solid var(--success-border);
}

.db-badge-warn {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dim);
  background-color: var(--bg-card-subtle);
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
}

@media (max-width: 900px) {
  .db-emit-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }
}

/* ==========================================================================
   REGLAS DE IMPRESIÓN OFICIAL A4 (@media print)
   ========================================================================== */

@page {
  size: A4 portrait;
  margin: 16mm 18mm 16mm 18mm;
}

@media print {
  /* Ocultar elementos no imprimibles de la interfaz */
  .app-header,
  .fijate-footer,
  .tools-ad-banner-section,
  .tool-ad-sidebar,
  .tabs-nav-container,
  .form-col,
  .card-main.form-col,
  .preview-toolbar,
  .actions-stack,
  .seo-guide-section,
  .fijate-modal-overlay,
  .fijate-toast,
  #tab-modelo303,
  #tab-privado {
    display: none !important;
  }

  /* Resetear contenedores para impresión limpia en blanco/negro */
  html, body {
    background: #ffffff !important;
    color: #0f172a !important;
    margin: 0 !important;
    padding: 0 !important;
    min-height: auto !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  /* Forzar visibilidad del panel de emisión en caso de estar en otra pestaña al imprimir */
  #tab-emisor {
    display: block !important;
  }

  /* Contenedores estructurales neutros sin padding ni borde */
  .tool-layout,
  .tool-with-sidebar,
  .tool-main-content,
  .emisor-grid,
  .preview-col {
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    box-shadow: none !important;
    width: 100% !important;
    max-width: 100% !important;
    display: block !important;
    background: transparent !important;
  }

  /* Hoja de factura A4 oficial profesional con distribución vertical completa */
  .invoice-sheet {
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
    min-height: 260mm !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    box-shadow: none !important;
    background: #ffffff !important;
    color: #0f172a !important;
    box-sizing: border-box !important;
  }

  .sheet-main-body {
    flex: 1 0 auto !important;
  }

  /* Evitar saltos de página indeseados dentro de los bloques */
  .sheet-header,
  .sheet-parties-grid,
  .sheet-party-box,
  .sheet-property-box,
  .sheet-table,
  .sheet-totals-wrapper,
  .sheet-bottom-section,
  .sheet-payment-card,
  .sheet-signatures-grid {
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }

  .sheet-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: flex-start !important;
    border-bottom: 2px solid #0f172a !important;
    padding-bottom: 12px !important;
    margin-bottom: 16px !important;
  }

  .sheet-doc-title {
    color: #0f172a !important;
    font-size: 19pt !important;
    font-weight: 800 !important;
    margin: 0 0 5px !important;
    letter-spacing: -0.01em !important;
  }

  .sheet-doc-meta {
    color: #334155 !important;
    font-size: 9pt !important;
    line-height: 1.45 !important;
  }

  .sheet-header-right {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-end !important;
    gap: 4px !important;
  }

  .sheet-doc-type-sub {
    font-size: 7.5pt !important;
    color: #64748b !important;
    text-align: right !important;
  }

  .sheet-parties-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 16px !important;
    margin-bottom: 14px !important;
  }

  .sheet-party-box {
    border: 1px solid #cbd5e1 !important;
    background: #f8fafc !important;
    padding: 10px 14px !important;
    border-radius: 4px !important;
    color: #0f172a !important;
  }

  .party-label {
    font-size: 7.5pt !important;
    color: #64748b !important;
    margin-bottom: 3px !important;
  }

  .party-name {
    color: #0f172a !important;
    font-size: 10.5pt !important;
    font-weight: 700 !important;
    margin-bottom: 3px !important;
  }

  .party-detail {
    color: #334155 !important;
    font-size: 8pt !important;
    line-height: 1.4 !important;
  }

  /* Ficha de inmueble arrendado */
  .sheet-property-box {
    border: 1px solid #cbd5e1 !important;
    background: #f8fafc !important;
    padding: 8px 12px !important;
    border-radius: 4px !important;
    margin-bottom: 14px !important;
  }

  .property-tag-row {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin-bottom: 4px !important;
    border-bottom: 1px dashed #cbd5e1 !important;
    padding-bottom: 3px !important;
  }

  .property-tag {
    font-size: 7pt !important;
    font-weight: 700 !important;
    color: #64748b !important;
  }

  .property-dest {
    font-size: 7.5pt !important;
    font-weight: 700 !important;
    color: #0f172a !important;
  }

  .property-data-grid {
    display: grid !important;
    grid-template-columns: 1.2fr 0.8fr !important;
    gap: 12px !important;
  }

  .property-field-label {
    display: block !important;
    font-size: 7pt !important;
    color: #64748b !important;
  }

  .property-field-val {
    font-size: 8.5pt !important;
    color: #0f172a !important;
  }

  .sheet-table {
    width: 100% !important;
    border-collapse: collapse !important;
    margin-bottom: 14px !important;
    color: #0f172a !important;
    font-size: 9pt !important;
  }

  .sheet-table th {
    background-color: #f1f5f9 !important;
    color: #0f172a !important;
    border-bottom: 2px solid #cbd5e1 !important;
    padding: 8px 10px !important;
    font-weight: 700 !important;
    font-size: 7.5pt !important;
    text-transform: uppercase !important;
  }

  .sheet-table td {
    border-bottom: 1px solid #e2e8f0 !important;
    padding: 8px 10px !important;
    color: #0f172a !important;
  }

  .sheet-totals-wrapper {
    display: flex !important;
    justify-content: flex-end !important;
    margin-bottom: 14px !important;
  }

  .sheet-totals-table {
    width: 100% !important;
    max-width: 360px !important;
    border-collapse: collapse !important;
    font-size: 8.5pt !important;
  }

  .sheet-totals-table td {
    padding: 3px 6px !important;
    border: none !important;
  }

  .sheet-totals-table .total-row td {
    border-top: 2px solid #0f172a !important;
    padding-top: 8px !important;
    padding-bottom: 4px !important;
    font-size: 12pt !important;
    color: #0f172a !important;
    font-weight: 800 !important;
  }

  /* Bloque inferior */
  .sheet-bottom-section {
    margin-top: 14px !important;
    flex-shrink: 0 !important;
    border-top: 1px dashed #cbd5e1 !important;
    padding-top: 12px !important;
  }

  .sheet-payment-card {
    background: #f8fafc !important;
    border: 1px solid #cbd5e1 !important;
    padding: 8px 12px !important;
    border-radius: 4px !important;
    margin-bottom: 12px !important;
  }

  .payment-card-head {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin-bottom: 4px !important;
    border-bottom: 1px solid #e2e8f0 !important;
    padding-bottom: 3px !important;
  }

  .payment-card-title {
    font-size: 7.5pt !important;
    font-weight: 700 !important;
    color: #64748b !important;
  }

  .payment-card-vencimiento {
    font-size: 7.5pt !important;
    color: #0f172a !important;
    font-weight: 600 !important;
  }

  .payment-card-body {
    display: flex !important;
    gap: 16px !important;
    font-size: 8pt !important;
    color: #0f172a !important;
  }

  .sheet-signatures-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 20px !important;
    margin-bottom: 12px !important;
  }

  .signature-box {
    border: 1px solid #cbd5e1 !important;
    background: #f8fafc !important;
    padding: 8px 12px !important;
    border-radius: 4px !important;
  }

  .sig-header {
    font-size: 7pt !important;
    font-weight: 700 !important;
    color: #64748b !important;
    margin-bottom: 4px !important;
  }

  .sig-space {
    height: 40px !important;
    border-bottom: 1px dashed #94a3b8 !important;
    margin-bottom: 4px !important;
  }

  .sig-name {
    font-size: 7.5pt !important;
    color: #334155 !important;
    font-style: italic !important;
  }

  .sheet-reg-badge {
    border: 1.5px solid #0f172a !important;
    color: #0f172a !important;
    background: transparent !important;
    font-size: 7.5pt !important;
    padding: 3px 6px !important;
    font-weight: 700 !important;
  }

  .sheet-legal-footer {
    border-top: 1px solid #e2e8f0 !important;
    padding-top: 6px !important;
  }

  .sheet-legal-disclaimer,
  .sheet-rgpd-text {
    color: #64748b !important;
    font-size: 6.8pt !important;
    line-height: 1.3 !important;
    margin: 0 0 2px 0 !important;
  }

  .text-success,
  .text-danger,
  .mono {
    color: #0f172a !important;
  }
}