* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #f4f6f8;
  color: #222;
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #1b3a57;
  color: white;
  padding: 0.8rem 1.5rem;
}
.navbar-brand { font-weight: bold; font-size: 1.2rem; }
.navbar-links { display: flex; align-items: center; }
.navbar-links a {
  display: flex;
  align-items: center;
  color: #cfe0ee;
  text-decoration: none;
  margin: 0 0.35rem;
  padding: 0.5rem 0.7rem;
  border-radius: 4px;
}
.navbar-links a.active, .navbar-links a:hover { background: #2c5478; color: white; }
.navbar-user { display: flex; align-items: center; gap: 0.8rem; }
.navbar-user a { display: flex; align-items: center; color: #cfe0ee; text-decoration: none; padding: 0.5rem 0.7rem; border-radius: 4px; }
.navbar-user a.active, .navbar-user a:hover { background: #2c5478; color: white; }
.link-button {
  background: none; border: none; color: #cfe0ee; cursor: pointer; text-decoration: underline;
}

/* Login */
.login-body { display: flex; align-items: center; justify-content: center; height: 100vh; }
.login-card {
  background: white; padding: 2.5rem; border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.1); width: 320px; text-align: center;
}
.login-card h1 { margin-bottom: 0; }
.subtitle { color: #666; margin-top: 0.2rem; }
.login-card form { display: flex; flex-direction: column; text-align: left; margin-top: 1rem; }
.login-card label { margin-top: 0.8rem; font-size: 0.9rem; color: #444; }
.login-card input { padding: 0.5rem; border: 1px solid #ccc; border-radius: 5px; margin-top: 0.2rem; }

/* Buttons */
.btn {
  border: none; border-radius: 6px; padding: 0.6rem 1.2rem; cursor: pointer; font-size: 0.95rem;
}
.btn-primary { background: #1b3a57; color: white; }
.btn-primary:hover { background: #2c5478; }
.btn-secondary { background: #e0e4e8; color: #333; }
.btn-block { width: 100%; margin-top: 1.2rem; }
.btn-mini { padding: 0.25rem 0.5rem; font-size: 0.8rem; border: 1px solid #ccc; border-radius: 4px; background: white; cursor: pointer; }
.btn-danger { color: #b3261e; border-color: #b3261e; }

/* Alerts */
.alert { padding: 0.7rem 1rem; border-radius: 6px; margin: 0.8rem 0; }
.alert-error { background: #fdecea; color: #b3261e; }
.alert-success { background: #e6f4ea; color: #1e7e34; }

/* Layout general de contenido */
.content { padding: 1.5rem 2rem; }
.content-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }

/* POS — pantalla de venta a una sola columna, a todo el ancho */
html, body.pos-body { height: 100%; }
body.pos-body { display: flex; flex-direction: column; overflow: hidden; }
body.pos-body .navbar { flex: none; }

/* Pestañas superiores: Nueva venta / Ventas de hoy */
.pos-tabs { flex: none; display: flex; gap: 0.4rem; padding: 0.8rem 1.2rem 0; }
.pos-tab {
  padding: 0.6rem 1.4rem; border: none; border-radius: 8px 8px 0 0;
  background: #e0e4e8; color: #333; font-size: 0.95rem; cursor: pointer;
}
.pos-tab.active { background: white; font-weight: 600; color: #1b3a57; }

.pos-layout {
  display: flex; flex-direction: column;
  flex: 1; min-height: 0;
  padding: 1rem 1.2rem;
}

/* Estado inicial: solo el botón grande de "+ Nueva venta", centrado */
.pos-inicio {
  flex: 1; display: flex; align-items: center; justify-content: center;
}
.btn-nueva-venta {
  background: #1b3a57; color: white; border: none; border-radius: 12px;
  padding: 2rem 3.5rem; font-size: 1.8rem; font-weight: 600; cursor: pointer;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}
.btn-nueva-venta:hover { background: #2c5478; }

/* Estado activo: todo apilado en una sola columna, a todo el ancho */
.pos-venta-activa {
  flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 0.8rem;
}

/* Barra de escaneo: con los resultados de búsqueda flotando debajo */
.pos-scan-bar { position: relative; flex: none; }
.pos-scan-bar input {
  width: 100%; padding: 0.9rem 1rem; font-size: 1.15rem; border: 2px solid #1b3a57; border-radius: 8px;
}
.resultados-lista {
  position: absolute; top: 100%; left: 0; right: 0; margin-top: 0.3rem;
  background: white; border-radius: 6px; box-shadow: 0 4px 14px rgba(0,0,0,0.15);
  max-height: 320px; overflow-y: auto; z-index: 20;
}
.resultado-item {
  display: flex; justify-content: space-between; padding: 0.6rem 1rem; cursor: pointer; border-bottom: 1px solid #eee;
}
.resultado-item:hover { background: #f0f4f8; }
.resultado-item .existencia { color: #888; font-size: 0.85rem; }
.resultado-vacio { padding: 0.6rem 1rem; color: #888; background: white; border-radius: 6px; }

/* Venta actual: a todo el ancho, debajo de la barra de escaneo */
.pos-venta-full {
  flex: 1; width: 100%;
  min-height: 0; display: flex; flex-direction: column;
  background: white; border-radius: 8px; box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  padding: 1rem 1.2rem;
}
.venta-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.5rem; }
.venta-header .total-box { font-size: 1.6rem; font-weight: bold; margin: 0; }

.tabla-carrito-wrapper { flex: 1; min-height: 100px; overflow-y: auto; }
.tabla-carrito { width: 100%; border-collapse: collapse; }
.tabla-carrito th, .tabla-carrito td { padding: 0.6rem 0.5rem; text-align: left; border-bottom: 1px solid #eee; font-size: 0.95rem; white-space: nowrap; }
.tabla-carrito thead th { position: sticky; top: 0; background: white; z-index: 1; }
.tabla-carrito td:nth-child(2) { display: flex; align-items: center; gap: 0.4rem; white-space: nowrap; }
.producto-nombre { font-weight: 500; white-space: normal; }
.producto-codigo { color: #888; font-size: 0.78rem; font-family: 'Courier New', monospace; white-space: nowrap; }

/* Barra de pago: fila horizontal debajo del carrito */
.pos-pago-bar {
  flex: none; display: flex; flex-wrap: wrap; align-items: flex-end; gap: 1.2rem;
  border-top: 1px solid #eee; margin-top: 0.7rem; padding-top: 0.8rem;
}
.pago-tipo { display: flex; gap: 1.2rem; align-items: center; }
.pago-campo { display: flex; flex-direction: column; gap: 0.3rem; min-width: 160px; }
.pago-campo label { font-size: 0.85rem; color: #555; }
.pago-campo input, .pago-campo select { width: 100%; padding: 0.5rem; border: 1px solid #ccc; border-radius: 5px; }
.pago-campo .cambio { font-size: 1.1rem; font-weight: bold; padding: 0.3rem 0; }

.pos-pago-botones { display: flex; gap: 0.7rem; margin-left: auto; }
.btn-cobrar { padding: 0.9rem 2rem; font-size: 1.15rem; }
.pos-mensaje { flex: none; margin: 0.6rem 0 0; }

@media (max-width: 900px) {
  .pos-pago-bar { flex-direction: column; align-items: stretch; }
  .pos-pago-botones { margin-left: 0; }
  .btn-cobrar { width: 100%; }
}

/* Tablas de datos */
.tabla-datos { width: 100%; border-collapse: collapse; background: white; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 4px rgba(0,0,0,0.08); }
.tabla-datos th, .tabla-datos td { padding: 0.6rem 0.8rem; text-align: left; border-bottom: 1px solid #eee; font-size: 0.9rem; }
.tabla-datos th { background: #f0f4f8; }
.fila-alerta { background: #fff8e1; }
.acciones { display: flex; gap: 0.4rem; }

/* Panel central */
.locales-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap: 1.2rem; margin-top: 1rem; }
.local-card { background: white; border-radius: 8px; box-shadow: 0 1px 4px rgba(0,0,0,0.08); padding: 1.2rem; }
.local-card-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.8rem; }
.local-card-header h2 { margin: 0; }
.local-actualizado { font-size: 0.78rem; color: #888; display: block; }
.badge-ok { font-size: 0.78rem; font-weight: 600; color: #1e7e34; white-space: nowrap; }
.badge-error { font-size: 0.78rem; font-weight: 600; color: #b3261e; white-space: nowrap; }
.local-stats { display: flex; gap: 1.5rem; margin-bottom: 1rem; padding-bottom: 1rem; border-bottom: 1px solid #eee; }
.local-stats div { display: flex; flex-direction: column; }
.local-stats strong { font-size: 1.2rem; }
.local-stats span { font-size: 0.78rem; color: #888; }
.local-card details { margin-top: 0.6rem; }
.local-card summary { cursor: pointer; font-weight: 500; padding: 0.4rem 0; }
.local-card table { margin-top: 0.4rem; }

/* Modal */
.modal {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  align-items: center; justify-content: center; z-index: 10;
}
.modal-contenido { background: white; padding: 1.5rem 2rem; border-radius: 8px; width: 380px; max-height: 90vh; overflow-y: auto; }
.modal-contenido form { display: flex; flex-direction: column; }
.modal-contenido label { margin-top: 0.7rem; font-size: 0.9rem; color: #444; display: block; }
.modal-contenido input, .modal-contenido select { padding: 0.5rem; border: 1px solid #ccc; border-radius: 5px; margin-top: 0.2rem; display: block; width: 100%; box-sizing: border-box; }
.modal-botones { display: flex; justify-content: flex-end; gap: 0.6rem; margin-top: 1.2rem; }

.form-inline { display: flex; align-items: center; gap: 0.6rem; margin: 0.8rem 0; }
.form-inline input { padding: 0.4rem; border: 1px solid #ccc; border-radius: 5px; }

.panel-categorias { margin-bottom: 1rem; background: white; padding: 0.8rem 1rem; border-radius: 6px; }

.tarjetas-resumen { display: flex; gap: 1rem; margin: 1rem 0; }
.tarjeta { background: white; padding: 1rem 1.5rem; border-radius: 8px; box-shadow: 0 1px 4px rgba(0,0,0,0.08); text-align: center; }
.tarjeta h3 { margin: 0; font-size: 1.6rem; }
.tarjeta p { margin: 0.2rem 0 0; color: #666; }

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

.saldo-pendiente { font-weight: bold; color: #b3261e; }

/* Ticket */
.ticket-body { display: flex; flex-direction: column; align-items: center; padding: 2rem; }
.ticket { width: 300px; font-family: 'Courier New', monospace; }
.ticket-tabla { width: 100%; }
.ticket-tabla td { padding: 0.2rem 0; font-size: 0.9rem; }
.ticket-total { font-size: 1.2rem; font-weight: bold; }
.ticket-gracias { text-align: center; margin-top: 1rem; }
.ticket-acciones { margin-top: 1.5rem; }

/* Al imprimir (impresora térmica de 80mm o cualquier impresora normal),
   se oculta el botón y se ajusta el ancho al papel del ticket. */
@media print {
  .ticket-acciones { display: none; }
  .ticket-body { padding: 0; align-items: stretch; }
  .ticket { width: 100%; }
  @page { size: 80mm auto; margin: 3mm; }
}