:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --text: #e8eaf0;
  --muted: #9aa1b1;
  --border: #2a2f3a;
  --verde: #34d399;
  --rojo: #f87171;
  --azul: #60a5fa;
  --amarillo: #fbbf24;
  --morado: #a78bfa;
  --radius: 12px;
}

* { box-sizing: border-box; }

.oculto { display: none !important; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  padding: 20px 24px 0;
  border-bottom: 1px solid var(--border);
}
.topbar h1 { margin: 0 0 12px; font-size: 22px; }

.tabs { display: flex; gap: 6px; }
.tab-btn {
  background: none;
  border: none;
  color: var(--muted);
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  border-bottom: 2px solid transparent;
}
.tab-btn.active {
  color: var(--text);
  border-bottom: 2px solid var(--azul);
}

main { padding: 24px; max-width: 1000px; margin: 0 auto; }

.tab-content { display: none; }
.tab-content.active { display: block; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
  transition: transform 0.15s, border-color 0.15s;
}
.card:hover { transform: translateY(-2px); border-color: var(--border); }
.card-label { color: var(--muted); font-size: 13px; }
.card-valor { font-size: 22px; font-weight: 600; }
.card.ingreso .card-valor { color: var(--verde); }
.card.gasto .card-valor { color: var(--rojo); }
.card.balance .card-valor { color: var(--azul); }
.card.cuotas .card-valor { color: var(--amarillo); }
.card.tarjetas-card .card-valor { color: var(--morado); }
.card.tarjetas-minimo-card .card-valor { color: var(--rojo); }
.card.disponible-card .card-valor { color: var(--verde); }
.card.cuentas-card .card-valor { color: var(--azul); }

.card.balance-flip {
  padding: 0;
  background: none;
  border: none;
  box-shadow: none;
  perspective: 1000px;
  cursor: pointer;
  min-height: 80px;
  position: relative;
}
.card.balance-flip:hover { transform: none; }
.balance-flip-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 80px;
  transition: transform 0.5s;
  transform-style: preserve-3d;
}
.balance-flip-inner.volteado { transform: rotateY(180deg); }
.balance-flip-cara {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}
.balance-flip-reverso { transform: rotateY(180deg); }
.balance-flip-frente .card-valor,
.balance-flip-reverso .card-valor { color: var(--azul); }
.card.proximopago-card .card-valor { color: var(--amarillo); }
.card.proximopago-card:hover { border-color: var(--amarillo); }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}
.panel h3 {
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
}
.panel-header { display: flex; justify-content: space-between; align-items: center; }
.panel-header h3 { margin: 0; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  align-items: end;
}

.campo { display: flex; flex-direction: column; gap: 4px; }
.campo label {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 5px;
}
.info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid var(--muted);
  color: var(--muted);
  font-size: 10px;
  line-height: 1;
  cursor: help;
  flex-shrink: 0;
}
.info-icon:hover, .info-icon:active { border-color: var(--azul); color: var(--azul); }

input, select, button {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
}
input::placeholder { color: var(--muted); }

button {
  background: var(--azul);
  color: #0b1220;
  font-weight: 600;
  cursor: pointer;
  border: none;
}
button:hover { opacity: 0.9; }
.btn-secundario {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s;
}
.btn-secundario:hover { border-color: var(--azul); }
.btn-peligro { background: var(--rojo); color: #2a0a0a; }
.btn-pequeno { padding: 6px 10px; font-size: 12px; }

.filtro-mes { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; }

.tabla { width: 100%; border-collapse: collapse; margin-top: 10px; }
.tabla th, .tabla td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.tabla th { color: var(--muted); font-weight: 500; }
.tag-ingreso { color: var(--verde); }
.tag-gasto { color: var(--rojo); }
.tag-credito { color: var(--morado); }
.tag-debito { color: var(--azul); }
.tag-activo { color: var(--verde); }
.tag-inactivo { color: var(--muted); }

.lista-simple { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.lista-simple .fila {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--panel-2);
  border-radius: 8px;
  border-left: 3px solid var(--border);
  font-size: 14px;
  transition: border-color 0.15s, background 0.15s;
}
.lista-simple .fila:hover { border-left-color: var(--azul); background: #232833; }
.lista-simple .fila > span:first-child { color: var(--text); }
.lista-simple .fila > span:last-child { font-weight: 600; white-space: nowrap; }

#tab-dashboard .lista-simple {
  max-height: 185px;
  overflow-y: auto;
  padding-right: 4px;
}
#tab-dashboard .lista-simple::-webkit-scrollbar { width: 6px; }
#tab-dashboard .lista-simple::-webkit-scrollbar-track { background: transparent; }
#tab-dashboard .lista-simple::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
#tab-dashboard .lista-simple::-webkit-scrollbar-thumb:hover { background: var(--azul); }

.lista-compras { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.compra-item {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.compra-item:hover { border-color: var(--azul); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.3); }
.compra-info { display: flex; flex-direction: column; gap: 4px; }
.compra-progreso { color: var(--muted); font-size: 13px; }
.progreso-barra {
  width: 140px;
  height: 6px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 4px;
}
.progreso-fill { height: 100%; background: var(--verde); }

.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 50;
}
.modal.oculto { display: none; }
.modal-contenido {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  width: 90%; max-width: 560px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}
.cerrar-modal {
  position: absolute; top: 12px; right: 12px;
  background: none; border: none; font-size: 20px; color: var(--muted);
}

.check-pagada { width: 20px; height: 20px; cursor: pointer; }

/* Envuelve cada tabla para poder scrollear horizontal sin romper el layout */
.tabla-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.tabla-wrap-scroll {
  max-height: 60vh;
  overflow-y: auto;
}
.tabla-wrap-scroll thead th {
  position: sticky;
  top: 0;
  background: var(--panel);
  z-index: 5;
}
.tabla-wrap-scroll::-webkit-scrollbar { width: 6px; }
.tabla-wrap-scroll::-webkit-scrollbar-track { background: transparent; }
.tabla-wrap-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.tabla-wrap-scroll::-webkit-scrollbar-thumb:hover { background: var(--azul); }

@media (max-width: 600px) {
  .tabla-wrap-scroll { max-height: 50vh; }
}

.btn-menu-movil { display: none; }

.fab {
  position: fixed;
  bottom: 22px;
  right: 22px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--azul);
  color: #0b1220;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  border: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  cursor: pointer;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s;
}
.fab:hover { transform: scale(1.08); }
.fab:active { transform: scale(0.96); }

@media (max-width: 600px) {
  main { padding: 12px; }

  .topbar { padding: 14px 14px 0; }
  .topbar h1 { font-size: 18px; }

  .btn-menu-movil {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--panel-2);
    border: 1px solid var(--border);
    color: var(--text);
    width: 40px;
    height: 40px;
    border-radius: 8px;
    font-size: 18px;
    cursor: pointer;
  }

  .tabs {
    display: none;
    flex-direction: column;
    gap: 0;
    margin-top: 10px;
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
  }
  .tabs.abierto { display: flex; }
  .tab-btn {
    flex: none;
    width: 100%;
    text-align: left;
    white-space: normal;
    padding: 14px 16px;
    font-size: 15px;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
  }
  .tab-btn:last-child { border-bottom: none; }
  .tab-btn.active { background: var(--panel-2); }

  .cards { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .card { padding: 12px; }
  .card-valor { font-size: 18px; }

  .panel { padding: 14px; }

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

  input, select, button { font-size: 16px; padding: 12px; } /* 16px evita zoom automático en iOS */

  .panel-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .filtro-mes { flex-wrap: wrap; }

  .tabla { min-width: 480px; } /* fuerza el scroll horizontal en vez de aplastar columnas */

  .compra-item { flex-direction: column; align-items: flex-start; gap: 10px; }
  .progreso-barra { width: 100%; }

  .modal-contenido { width: 94%; padding: 16px; max-height: 88vh; }
}