/* ========================
   SISTEMA FINANZAS - styles
   Paleta: morado WIN + amarillo
   Mobile-first
   ======================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --purple: #3F0E91;
  --purple-dark: #2A0763;
  --purple-light: #E8E0F5;
  --yellow: #FFB940;
  --yellow-light: #FFF3D9;
  --green: #10B981;
  --red: #EF4444;
  --amber: #F59E0B;
  --grey-dark: #333333;
  --grey: #666666;
  --grey-light: #F5F5F5;
  --white: #FFFFFF;
  --border: #E5E5E5;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--grey-dark);
  background: var(--grey-light);
  -webkit-tap-highlight-color: transparent;
}

body {
  overscroll-behavior: none;
}

/* ============ LOADING ============ */
.loading {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, var(--purple) 0%, var(--purple-dark) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  z-index: 9999;
}

.loading-logo {
  font-size: 64px;
  margin-bottom: 12px;
}

.loading-text {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 32px;
}

.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 20px;
}

.loading-status {
  font-size: 14px;
  opacity: 0.8;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============ APP ============ */
.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
}

/* ============ HEADER ============ */
.header {
  background: var(--purple);
  color: white;
  padding: 14px 16px;
  padding-top: max(14px, env(safe-area-inset-top));
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow);
  position: relative;
  z-index: 10;
}

.header-title {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
}

.header-back,
.header-refresh {
  background: transparent;
  border: none;
  color: white;
  font-size: 22px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}

.header-back:active,
.header-refresh:active {
  background: rgba(255, 255, 255, 0.2);
}

/* ============ CONTENT ============ */
.content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  padding-bottom: 100px;
}

.pantalla {
  display: none;
}

.pantalla.active {
  display: block;
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--grey);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  margin-top: 4px;
}

.placeholder {
  padding: 32px;
  text-align: center;
  color: var(--grey);
  font-style: italic;
}

/* ============ FRECUENTES ============ */
.frecuentes {
  margin-bottom: 24px;
}

.frecuentes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 8px;
}

.frecuente {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--grey-dark);
  cursor: pointer;
  transition: transform 0.1s;
  box-shadow: var(--shadow);
}

.frecuente:active {
  transform: scale(0.95);
  background: var(--yellow-light);
}

.frecuente.placeholder {
  grid-column: 1 / -1;
  color: var(--grey);
  font-style: italic;
  font-weight: 400;
  cursor: default;
  background: transparent;
  border: 1px dashed var(--border);
  box-shadow: none;
}

/* ============ FORMULARIO ============ */
.formulario {
  background: white;
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.campo {
  margin-bottom: 14px;
}

.campo label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--grey);
  margin-bottom: 6px;
}

.campo input,
.campo select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 16px;
  background: white;
  font-family: inherit;
  color: var(--grey-dark);
}

.campo input:focus,
.campo select:focus {
  outline: none;
  border-color: var(--purple);
  box-shadow: 0 0 0 3px var(--purple-light);
}

.campo select {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23666' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

/* ============ BOTONES ============ */
.btn-primary {
  width: 100%;
  padding: 16px;
  background: var(--purple);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  margin-top: 8px;
  box-shadow: 0 4px 12px rgba(63, 14, 145, 0.3);
}

.btn-primary:active {
  transform: translateY(1px);
  background: var(--purple-dark);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  padding: 12px 20px;
  background: white;
  color: var(--red);
  border: 1px solid var(--red);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.btn-secondary:active {
  background: var(--red);
  color: white;
}

/* ============ DASHBOARD ============ */
.dashboard-loading {
  padding: 32px;
  text-align: center;
  color: var(--grey);
}

.dashboard-block {
  background: white;
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.dashboard-block h3 {
  font-size: 14px;
  color: var(--grey);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

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

.stat-label {
  color: var(--grey);
  font-size: 14px;
}

.stat-value {
  font-weight: 700;
  font-size: 16px;
}

.stat-value.positive {
  color: var(--green);
}

.stat-value.negative {
  color: var(--red);
}

.stat-value.big {
  font-size: 24px;
}

/* ============ HISTORIAL ============ */
.filtros {
  background: white;
  border-radius: 16px;
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.input-buscar {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  background: var(--grey-light);
  margin-bottom: 12px;
}

.input-buscar:focus {
  outline: none;
  border-color: var(--purple);
  background: white;
}

.filtros-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filtro-select {
  flex: 1;
  min-width: calc(50% - 4px);
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  background: white;
  color: var(--grey-dark);
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%23666' d='M5 6L0 0h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

.historial-resumen {
  background: white;
  border-radius: 16px;
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.historial-resumen .resumen-count {
  font-size: 12px;
  color: var(--grey);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.historial-resumen .resumen-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 14px;
}

.historial-resumen .resumen-row.neto {
  border-top: 1px solid var(--border);
  padding-top: 8px;
  margin-top: 4px;
  font-weight: 700;
  font-size: 16px;
}

.historial-lista {
  padding-bottom: 20px;
}

.grupo-fecha {
  margin-top: 16px;
}

.grupo-fecha-header {
  font-size: 12px;
  font-weight: 700;
  color: var(--grey);
  padding: 8px 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.movimiento-item {
  background: white;
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 8px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 10px;
  cursor: pointer;
  transition: transform 0.1s;
}

.movimiento-item:active {
  transform: scale(0.98);
}

.movimiento-icono {
  flex-shrink: 0;
  width: 8px;
  border-radius: 4px;
  background: var(--red);
}

.movimiento-item.tipo-ingreso .movimiento-icono {
  background: var(--green);
}

.movimiento-item.tipo-pago-tarjeta .movimiento-icono {
  background: var(--amber);
}

.movimiento-body {
  flex: 1;
  min-width: 0;
}

.movimiento-linea1 {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 3px;
}

.movimiento-monto {
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}

.movimiento-monto.positive {
  color: var(--green);
}

.movimiento-monto.negative {
  color: var(--red);
}

.movimiento-monto.neutral {
  color: var(--amber);
}

.movimiento-cat {
  color: var(--grey-dark);
  font-weight: 500;
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.movimiento-linea2 {
  font-size: 12px;
  color: var(--grey);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 2px;
}

.movimiento-desc {
  font-size: 13px;
  color: var(--grey-dark);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.estado-pendiente {
  display: inline-block;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  background: var(--yellow-light);
  color: var(--amber);
  font-weight: 700;
  margin-left: 4px;
}

.sin-resultados {
  padding: 40px 20px;
  text-align: center;
  color: var(--grey);
  font-style: italic;
}

/* ============ NAV BOTTOM ============ */
.nav-bottom {
  background: white;
  border-top: 1px solid var(--border);
  display: flex;
  padding-bottom: env(safe-area-inset-bottom);
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
}

.nav-btn {
  flex: 1;
  background: transparent;
  border: none;
  padding: 10px 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  color: var(--grey);
  transition: color 0.1s;
}

.nav-btn.active {
  color: var(--purple);
}

.nav-icon {
  font-size: 22px;
}

.nav-label {
  font-size: 11px;
  font-weight: 600;
}

/* ============ MODAL ============ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
}

.modal-content {
  position: relative;
  background: white;
  width: 100%;
  max-width: 500px;
  border-radius: 20px 20px 0 0;
  padding: 20px;
  padding-bottom: max(20px, env(safe-area-inset-bottom));
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.2s ease-out;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.modal-header h2 {
  font-size: 18px;
  color: var(--purple);
}

.modal-close {
  background: var(--grey-light);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 16px;
  font-size: 18px;
  cursor: pointer;
  color: var(--grey);
}

.modal-body {
  margin-bottom: 20px;
}

.detalle-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

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

.detalle-label {
  color: var(--grey);
  font-weight: 500;
}

.detalle-valor {
  color: var(--grey-dark);
  font-weight: 500;
  text-align: right;
  max-width: 60%;
  word-wrap: break-word;
}

.detalle-valor.grande {
  font-size: 20px;
  font-weight: 700;
}

.modal-footer {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ============ TOAST ============ */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grey-dark);
  color: white;
  padding: 12px 20px;
  border-radius: 24px;
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 999;
  pointer-events: none;
  max-width: 90%;
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(-10px);
}

.toast.success {
  background: var(--green);
}

.toast.error {
  background: var(--red);
}

/* ============ PANTALLA DEUDAS ============ */
.deudas-block {
  background: #fff;
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.deudas-block-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 4px;
}

.deudas-block-header h2 {
  font-size: 14px;
  font-weight: 700;
  color: var(--purple);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin: 0;
}

.deudas-block-subtotal {
  font-size: 16px;
  font-weight: 700;
  color: #333;
}

.deudas-block-meta {
  font-size: 12px;
  color: #888;
  margin-bottom: 14px;
}

.deuda-card {
  border: 1px solid #f0f0f0;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 10px;
  background: #fafafa;
}

.deuda-card:last-child {
  margin-bottom: 0;
}

.deuda-card-nombre {
  font-size: 15px;
  font-weight: 700;
  color: #222;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.deuda-card-sub {
  font-size: 12px;
  color: #888;
  margin-bottom: 10px;
}

.deuda-card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  margin-bottom: 4px;
}

.deuda-card-row .label {
  color: #666;
}

.deuda-card-row .valor {
  font-weight: 600;
  color: #222;
}

.deuda-card-row .valor.rojo {
  color: var(--red);
}

.deuda-card-row .valor.verde {
  color: var(--green);
}

.deuda-card-progress {
  height: 8px;
  background: #eee;
  border-radius: 4px;
  overflow: hidden;
  margin-top: 8px;
  margin-bottom: 4px;
}

.deuda-card-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--purple), var(--amber));
  border-radius: 4px;
  transition: width 0.3s ease;
}

.deuda-card-progress-fill.rojo {
  background: linear-gradient(90deg, #ff6b6b, var(--red));
}

.deuda-card-progress-label {
  font-size: 11px;
  color: #888;
  text-align: right;
}

.deuda-incompleta {
  border-left: 4px solid var(--amber);
  background: #fff9e6;
}

.deuda-sin-datos {
  border-left: 4px solid #ccc;
  background: #f5f5f5;
  opacity: 0.7;
}

.deuda-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.deuda-badge.warning {
  background: var(--amber);
  color: #333;
}

.deuda-badge.danger {
  background: var(--red);
  color: #fff;
}

.deuda-badge.info {
  background: #eee;
  color: #666;
}

/* Alertas de vencimientos */
.alerta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  margin-bottom: 8px;
  border-left: 4px solid;
  background: #fafafa;
}

.alerta-item:last-child {
  margin-bottom: 0;
}

.alerta-item.hoy,
.alerta-item.vencido {
  border-left-color: var(--red);
  background: #ffe6e6;
}

.alerta-item.pronto {
  border-left-color: var(--amber);
  background: #fff4dc;
}

.alerta-item.futuro {
  border-left-color: #ccc;
  background: #fafafa;
}

.alerta-dia {
  font-size: 20px;
  font-weight: 800;
  min-width: 42px;
  text-align: center;
  color: #333;
}

.alerta-body {
  flex: 1;
  min-width: 0;
}

.alerta-nombre {
  font-size: 14px;
  font-weight: 600;
  color: #222;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.alerta-sub {
  font-size: 11px;
  color: #666;
}

.alerta-monto {
  font-size: 14px;
  font-weight: 700;
  color: #222;
  white-space: nowrap;
}

.alerta-monto.rojo {
  color: var(--red);
}

.deuda-nota {
  font-size: 11px;
  color: #888;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed #eee;
  font-style: italic;
}

/* Nav con 4 botones - ajuste de tamaño */
.nav-bottom {
  padding-bottom: env(safe-area-inset-bottom, 0);
}

/* Con 5 botones, achicar el padding lateral */
.nav-btn {
  padding-left: 4px;
  padding-right: 4px;
}

.nav-label {
  font-size: 10px;
}

/* ============ PANTALLA REPORTES ============ */
.reportes-mes-selector {
  padding: 12px 16px 4px;
}

.reportes-mes-selector .filtro-select {
  width: 100%;
  font-weight: 700;
  color: var(--purple);
  font-size: 16px;
}

.reportes-block {
  background: #fff;
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.reportes-block h2 {
  font-size: 13px;
  font-weight: 700;
  color: var(--purple);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin: 0 0 14px 0;
}

.rep-big-numbers {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rep-big-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid #f0f0f0;
}

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

.rep-big-row .lbl {
  font-size: 13px;
  color: #666;
}

.rep-big-row .val {
  font-size: 20px;
  font-weight: 700;
  color: #222;
}

.rep-big-row .val.positive { color: var(--green); }
.rep-big-row .val.negative { color: var(--red); }
.rep-big-row .val.neto { font-size: 26px; }

.rep-compare {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed #eee;
  font-size: 12px;
  color: #666;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.rep-compare .arrow-up { color: var(--green); font-weight: 700; }
.rep-compare .arrow-down { color: var(--red); font-weight: 700; }

/* Gráfico de barras */
.rep-chart {
  width: 100%;
  height: 200px;
  overflow: visible;
}

.rep-chart-legend {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 12px;
  font-size: 11px;
  color: #666;
}

.rep-chart-legend .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}

.rep-chart-legend .dot.ing { background: var(--green); }
.rep-chart-legend .dot.egr { background: var(--red); }
.rep-chart-legend .dot.neto { background: var(--purple); }

/* Lista por entidad/categoría */
.rep-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  font-size: 13px;
  border-bottom: 1px solid #f5f5f5;
}

.rep-item:last-child { border-bottom: none; }

.rep-item .rank {
  color: #aaa;
  font-weight: 700;
  margin-right: 8px;
  min-width: 20px;
}

.rep-item .nombre {
  flex: 1;
  color: #333;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rep-item .pct {
  color: #888;
  font-size: 11px;
  margin-right: 8px;
  min-width: 34px;
  text-align: right;
}

.rep-item .monto {
  font-weight: 700;
  color: #222;
  min-width: 80px;
  text-align: right;
}

.rep-item-bar {
  height: 4px;
  background: #f0f0f0;
  border-radius: 2px;
  overflow: hidden;
  margin-top: 4px;
}

.rep-item-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--purple), var(--amber));
  border-radius: 2px;
}

.rep-sin-datos {
  text-align: center;
  color: #999;
  padding: 20px;
  font-size: 13px;
  font-style: italic;
}

/* ============ DESKTOP ============ */
@media (min-width: 768px) {
  .app {
    max-width: 500px;
    margin: 0 auto;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.1);
  }

  body {
    background: linear-gradient(135deg, var(--purple) 0%, var(--purple-dark) 100%);
  }

  .modal {
    align-items: center;
  }

  .modal-content {
    border-radius: 20px;
    max-width: 480px;
  }
}