/* ==========================================================================
   Calculadora de gastos e ingresos - Tema "Professional Polish"
   CSS puro, responsivo, optimizado y sin dependencias externas
   ========================================================================== */

:root {
  /* Paleta de colores Professional Polish */
  --bg-app: #F3F4F6;
  --bg-card: #FFFFFF;
  --bg-subtle: #F9FAFB;
  --bg-muted: #F3F4F6;

  --text-main: #1F2937;
  --text-heading: #111827;
  --text-muted: #4B5563;
  --text-subtle: #6B7280;
  --text-light: #9CA3AF;

  --border-color: #E5E7EB;
  --border-light: #F3F4F6;
  --border-focus: #2563EB;

  /* Categoría: Necesidades básicas (Azul) */
  --cat-blue-primary: #2563EB;
  --cat-blue-bg: #EFF6FF;
  --cat-blue-border: #DBEAFE;
  --cat-blue-text: #1E40AF;

  /* Categoría: Ahorro (Verde) */
  --cat-green-primary: #16A34A;
  --cat-green-bg: #F0FDF4;
  --cat-green-border: #DCFCE7;
  --cat-green-text: #166534;

  /* Categoría: Gastos personales (Naranja/Coral) */
  --cat-orange-primary: #EA580C;
  --cat-orange-bg: #FFF7ED;
  --cat-orange-border: #FFEDD5;
  --cat-orange-text: #9A3412;

  /* Alertas */
  --alert-danger-bg: #FEF2F2;
  --alert-danger-border: #FECACA;
  --alert-danger-text: #991B1B;
  --alert-success-bg: #EFF6FF;
  --alert-success-border: #DBEAFE;
  --alert-success-text: #1E40AF;
  --alert-info-bg: #F9FAFB;
  --alert-info-border: #E5E7EB;
  --alert-info-text: #374151;

  /* Radios y Sombras */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);

  /* Tipografía */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Reset y caja */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-main);
  background-color: var(--bg-app);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  padding: 0;
  margin: 0;
  background-color: var(--bg-app);
  color: var(--text-main);
  display: flex;
  flex-direction: column;
}

/* Barra de cabecera profesional */
.app-header-bar {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px;
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.03);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background-color: var(--cat-blue-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  flex-shrink: 0;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.brand-icon svg {
  width: 22px;
  height: 22px;
}

.app-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}

.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background-color: #F9FAFB;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.privacy-badge svg {
  width: 14px;
  height: 14px;
  color: var(--cat-green-primary);
}

/* Contenedor de contenido */
.app-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 48px 20px;
  flex: 1;
}

/* Layout 2 columnas en desktop, 1 en mobile */
.calculator-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

@media (min-width: 992px) {
  .calculator-layout {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 28px;
  }
}

/* Tarjetas */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 20px;
}

/* Tarjeta de ingresos */
.income-card {
  padding: 20px 24px;
}

.income-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.income-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.income-prefix {
  position: absolute;
  left: 16px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-light);
  pointer-events: none;
}

.income-input {
  width: 100%;
  height: 56px;
  padding: 12px 18px 12px 42px;
  font-family: inherit;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-heading);
  background-color: var(--bg-subtle);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  transition: all 0.15s ease;
}

.income-input:focus {
  background-color: #FFFFFF;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.income-hint {
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--text-subtle);
}

/* Categorías de gastos */
.category-card {
  margin-bottom: 18px;
}

.cat-header {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.cat-needs .cat-header {
  background-color: var(--cat-blue-bg);
  border-bottom-color: var(--cat-blue-border);
}

.cat-savings .cat-header {
  background-color: var(--cat-green-bg);
  border-bottom-color: var(--cat-green-border);
}

.cat-wants .cat-header {
  background-color: var(--cat-orange-bg);
  border-bottom-color: var(--cat-orange-border);
}

.cat-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cat-title {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cat-needs .cat-title { color: var(--cat-blue-text); }
.cat-savings .cat-title { color: var(--cat-green-text); }
.cat-wants .cat-title { color: var(--cat-orange-text); }

.cat-badges {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cat-subtotal-badge {
  font-size: 0.82rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  color: var(--text-heading);
}

.cat-percent-badge {
  font-size: 0.82rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.cat-needs .cat-percent-badge {
  background-color: #DBEAFE;
  color: var(--cat-blue-text);
}

.cat-savings .cat-percent-badge {
  background-color: #DCFCE7;
  color: var(--cat-green-text);
}

.cat-wants .cat-percent-badge {
  background-color: #FFEDD5;
  color: var(--cat-orange-text);
}

.btn-add-expense-link {
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.cat-needs .btn-add-expense-link {
  color: var(--cat-blue-primary);
}

.cat-needs .btn-add-expense-link:hover {
  background-color: #DBEAFE;
  color: var(--cat-blue-text);
}

.cat-savings .btn-add-expense-link {
  color: var(--cat-green-primary);
}

.cat-savings .btn-add-expense-link:hover {
  background-color: #DCFCE7;
  color: var(--cat-green-text);
}

.cat-wants .btn-add-expense-link {
  color: var(--cat-orange-primary);
}

.cat-wants .btn-add-expense-link:hover {
  background-color: #FFEDD5;
  color: var(--cat-orange-text);
}

/* Cuerpo de gastos */
.cat-body {
  padding: 16px 20px;
}

.expense-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 14px;
}

.expense-row {
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.expense-row:hover {
  border-color: #CBD5E1;
}

.expense-row-inputs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

@media (min-width: 540px) {
  .expense-row-inputs {
    grid-template-columns: 1.4fr 1fr auto;
    align-items: center;
  }
}

.text-input {
  width: 100%;
  height: 42px;
  padding: 8px 12px;
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--text-heading);
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  outline: none;
  transition: all 0.15s ease;
}

.text-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.expense-amount-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.expense-amount-wrap .currency-input {
  width: 100%;
  height: 42px;
  padding: 8px 12px 8px 28px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-heading);
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  outline: none;
  text-align: right;
  transition: all 0.15s ease;
}

.expense-amount-wrap .currency-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.expense-amount-wrap .input-prefix {
  position: absolute;
  left: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-light);
  pointer-events: none;
}

/* Botón eliminar */
.btn-delete {
  min-width: 42px;
  min-height: 42px;
  height: 42px;
  width: 42px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  color: #9CA3AF;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.btn-delete:hover {
  background-color: #FEE2E2;
  color: #DC2626;
  border-color: #FECACA;
}

.btn-delete:focus-visible {
  outline: 2px solid #DC2626;
  outline-offset: 2px;
}

.btn-delete svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 539px) {
  .btn-delete {
    width: 100%;
    background-color: #FEE2E2;
    color: #DC2626;
    border-color: #FECACA;
    gap: 6px;
  }
  .btn-delete::after {
    content: "Eliminar gasto";
    font-size: 0.85rem;
    font-weight: 600;
  }
}

.expense-feedback {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  padding-top: 4px;
  border-top: 1px dashed var(--border-color);
}

/* Botón Añadir Gasto */
.btn-add-expense {
  width: 100%;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--radius-md);
  border: 1px dashed;
  background-color: transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

.cat-needs .btn-add-expense {
  border-color: #BFDBFE;
  color: var(--cat-blue-primary);
  background-color: #F8FAFC;
}

.cat-needs .btn-add-expense:hover {
  background-color: var(--cat-blue-bg);
  border-color: var(--cat-blue-primary);
}

.cat-savings .btn-add-expense {
  border-color: #BBF7D0;
  color: var(--cat-green-primary);
  background-color: #F8FAFC;
}

.cat-savings .btn-add-expense:hover {
  background-color: var(--cat-green-bg);
  border-color: var(--cat-green-primary);
}

.cat-wants .btn-add-expense {
  border-color: #FED7AA;
  color: var(--cat-orange-primary);
  background-color: #F8FAFC;
}

.cat-wants .btn-add-expense:hover {
  background-color: var(--cat-orange-bg);
  border-color: var(--cat-orange-primary);
}

.btn-add-expense svg {
  width: 16px;
  height: 16px;
}

/* Botón Limpiar */
.btn-reset {
  width: 100%;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #4B5563;
  background-color: #F3F4F6;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
  margin-top: 12px;
}

.btn-reset:hover {
  background-color: #E5E7EB;
  color: var(--text-heading);
}

.btn-reset svg {
  width: 16px;
  height: 16px;
}

/* Columna Derecha: Resumen Mensual */
.summary-container {
  position: static;
}

@media (min-width: 992px) {
  .summary-container {
    position: sticky;
    top: 90px;
  }
}

.summary-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
}

.summary-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.summary-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  gap: 8px;
}

.summary-title svg {
  width: 20px;
  height: 20px;
  color: var(--cat-blue-primary);
}

/* Métricas destacadas */
.metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.metric-box {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-box.metric-available {
  background-color: var(--cat-blue-primary);
  border-color: var(--cat-blue-primary);
  color: #FFFFFF;
}

.metric-box.metric-available.is-deficit {
  background-color: #DC2626;
  border-color: #DC2626;
}

.metric-box.metric-full {
  grid-column: span 2;
}

.metric-label {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-subtle);
}

.metric-box.metric-available .metric-label {
  color: rgba(255, 255, 255, 0.85);
}

.metric-value {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--text-heading);
  line-height: 1.2;
}

.metric-box.metric-available .metric-value {
  color: #FFFFFF;
}

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

.metric-box.metric-available .metric-sub {
  color: rgba(255, 255, 255, 0.85);
}

/* Barras de progreso de distribución */
.progress-section {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.progress-section-title {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.progress-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.progress-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.88rem;
  font-weight: 700;
}

.progress-label-needs { color: var(--cat-blue-text); }
.progress-label-savings { color: var(--cat-green-text); }
.progress-label-wants { color: var(--cat-orange-text); }

.progress-values {
  font-weight: 700;
  color: var(--text-heading);
  text-align: right;
  font-size: 0.85rem;
}

.progress-track {
  width: 100%;
  height: 12px;
  background-color: #E5E7EB;
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  width: 0%;
  transition: width 0.3s ease;
}

.fill-blue { background-color: var(--cat-blue-primary); }
.fill-green { background-color: var(--cat-green-primary); }
.fill-orange { background-color: var(--cat-orange-primary); }

.progress-overflow-warning {
  margin-top: 4px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #DC2626;
  display: none;
}

.progress-overflow-warning.is-visible {
  display: block;
}

/* Banner de balance */
.balance-banner {
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-top: 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.88rem;
}

.balance-banner svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  margin-top: 1px;
}

.balance-banner-title {
  font-weight: 800;
  margin-bottom: 3px;
  line-height: 1.3;
}

.balance-banner-desc {
  font-size: 0.82rem;
  line-height: 1.4;
}

.balance-banner.status-info {
  background-color: var(--alert-info-bg);
  border: 1px solid var(--alert-info-border);
  color: var(--alert-info-text);
}

.balance-banner.status-success {
  background-color: var(--cat-blue-bg);
  border: 1px solid var(--cat-blue-border);
  color: var(--cat-blue-text);
}

.balance-banner.status-danger {
  background-color: var(--alert-danger-bg);
  border: 1px solid var(--alert-danger-border);
  color: var(--alert-danger-text);
}

/* Pie de página */
.app-footer {
  margin-top: auto;
  text-align: center;
  padding: 20px 0;
  font-size: 0.82rem;
  color: var(--text-subtle);
  border-top: 1px solid var(--border-color);
  background-color: #FFFFFF;
}

/* Accesibilidad */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* ==========================================================================
   Ajustes y optimizaciones para dispositivos móviles y WordPress
   ========================================================================== */
@media (max-width: 640px) {
  .app-header-bar {
    padding: 12px 16px;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .app-title {
    font-size: 1.1rem;
  }

  .privacy-badge {
    font-size: 0.7rem;
    padding: 4px 10px;
    width: 100%;
    justify-content: flex-start;
  }

  .app-container {
    padding: 16px 12px 36px 12px;
  }

  .income-card {
    padding: 16px;
  }

  .income-input {
    height: 48px;
    font-size: 1.25rem;
    padding-left: 36px;
  }

  .cat-header {
    padding: 10px 14px;
    flex-wrap: wrap;
    gap: 8px;
  }

  .cat-badges {
    flex-wrap: wrap;
    gap: 6px;
  }

  .cat-subtotal-badge,
  .cat-percent-badge {
    font-size: 0.75rem;
  }

  .cat-body {
    padding: 12px 14px;
  }

  .summary-card {
    padding: 18px 16px;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .metric-value {
    font-size: 1.25rem;
  }

  .balance-banner {
    padding: 12px;
    font-size: 0.82rem;
  }
}