/* Cuentas Claras · estilos base (hito 1: andamiaje)
   Azul marino #0f1b2d como color principal, acento ámbar #fbbf24.
   Una sola app responsive: barra lateral en PC, navegación inferior en móvil. */
:root {
  --azul-marino: #0f1b2d;
  --azul-marino-2: #1f3450;
  --ambar: #fbbf24;
  --fondo: #f1f5f9;
  --tarjeta: #ffffff;
  --texto: #0f1b2d;
  --texto-suave: #64748b;
  --borde: #e2e8f0;
  --error: #dc2626;
  --radio: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--fondo);
  color: var(--texto);
  min-height: 100vh;
}
.oculto { display: none !important; }
.error { color: var(--error); font-size: .85rem; min-height: 1.2em; }

/* ── Auth ── */
.auth-fondo {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--azul-marino), var(--azul-marino-2));
  padding: 1rem;
}
.auth-tarjeta {
  background: var(--tarjeta);
  border-radius: var(--radio);
  padding: 2rem;
  width: 100%; max-width: 400px;
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
}
.marca { text-align: center; margin-bottom: 1.5rem; }
.marca-logo {
  width: 52px; height: 52px; margin: 0 auto .5rem;
  background: var(--azul-marino); color: var(--ambar);
  border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.25rem;
}
.marca h1 { font-size: 1.4rem; }
.marca p { color: var(--texto-suave); font-size: .9rem; }
label { display: block; margin-bottom: .9rem; font-size: .85rem; font-weight: 600; }
input {
  display: block; width: 100%; margin-top: .3rem;
  padding: .7rem .8rem; font-size: 1rem;
  border: 1px solid var(--borde); border-radius: 8px;
}
input:focus { outline: 2px solid var(--azul-marino-2); border-color: var(--azul-marino-2); }
.btn-primario {
  width: 100%; padding: .8rem; margin-top: .4rem;
  background: var(--azul-marino); color: #fff;
  border: none; border-radius: 8px; font-size: 1rem; font-weight: 700;
  cursor: pointer;
}
.btn-primario:hover { background: var(--azul-marino-2); }
.btn-texto {
  display: block; width: 100%; margin-top: .8rem;
  background: none; border: none; color: var(--azul-marino-2);
  font-size: .85rem; cursor: pointer; text-decoration: underline;
}

/* ── App shell ── */
#vista-app { display: flex; min-height: 100vh; }
.barra-lateral {
  width: 230px; background: var(--azul-marino); color: #fff;
  display: flex; flex-direction: column; padding: 1rem;
  position: sticky; top: 0; height: 100vh;
}
.marca-app { display: flex; align-items: center; gap: .6rem; margin-bottom: 1.5rem; font-weight: 700; }
.marca-app .marca-logo { width: 36px; height: 36px; margin: 0; font-size: 1rem; }
.barra-lateral nav { display: flex; flex-direction: column; gap: .25rem; flex: 1; }
.nav-btn {
  background: none; border: none; color: #cbd5e1; text-align: left;
  padding: .65rem .8rem; border-radius: 8px; font-size: .95rem; cursor: pointer;
}
.nav-btn.activo, .nav-btn:hover { background: var(--azul-marino-2); color: #fff; }
.usuario-caja { border-top: 1px solid var(--azul-marino-2); padding-top: .8rem; font-size: .85rem; }
.usuario-empresa { color: #94a3b8; margin-bottom: .4rem; }
.usuario-caja .btn-texto { color: var(--ambar); text-align: left; margin-top: .2rem; }

.contenido { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.barra-superior {
  display: none; background: var(--azul-marino); color: #fff;
  padding: .8rem 1rem; align-items: center; gap: .6rem;
}
.barra-superior .marca-logo { width: 32px; height: 32px; margin: 0; font-size: .9rem; }
.panel { padding: 1.5rem; max-width: 1100px; width: 100%; margin: 0 auto; }
.panel h2 { margin-bottom: .4rem; }
.panel .sub { color: var(--texto-suave); margin-bottom: 1.2rem; }
.tarjetas { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; }
.tarjeta {
  background: var(--tarjeta); border: 1px solid var(--borde);
  border-radius: var(--radio); padding: 1.2rem;
}
.tarjeta h3 { font-size: 1rem; margin-bottom: .3rem; }
.tarjeta p { color: var(--texto-suave); font-size: .85rem; }
.etiqueta {
  display: inline-block; margin-top: .6rem; font-size: .72rem; font-weight: 700;
  background: #fef3c7; color: #92400e; padding: .2rem .55rem; border-radius: 99px;
}

.nav-inferior { display: none; }

/* ── Móvil: navegación inferior ── */
@media (max-width: 768px) {
  .barra-lateral { display: none; }
  .barra-superior { display: flex; }
  #vista-app { flex-direction: column; padding-bottom: 64px; }
  .nav-inferior {
    display: flex; position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--azul-marino); padding: .4rem;
    justify-content: space-around; z-index: 10;
  }
  .nav-inferior .nav-btn {
    color: #cbd5e1; font-size: .72rem; text-align: center;
    padding: .5rem .3rem; flex: 1;
  }
  .nav-inferior .nav-btn.activo { color: var(--ambar); background: none; }
  .panel { padding: 1rem; }
}

/* ── Inventario (hito 2) ── */
.barra-herramientas {
  display: flex; flex-wrap: wrap; gap: .6rem; align-items: center;
  margin-bottom: .8rem;
}
.barra-herramientas input[type="search"] {
  flex: 1; min-width: 200px; padding: .65rem .8rem;
  border: 1px solid var(--borde); border-radius: 8px; font-size: .95rem;
}
.barra-herramientas select {
  padding: .65rem .6rem; border: 1px solid var(--borde);
  border-radius: 8px; font-size: .9rem; background: #fff;
}
.barra-herramientas .suave { width: 100%; }
.btn-auto { width: auto; margin-top: 0; }
.suave { color: var(--texto-suave); font-size: .85rem; }
.vacio { color: var(--texto-suave); padding: 2rem 1rem; text-align: center; }

.tabs { display: flex; gap: .4rem; margin-bottom: 1rem; border-bottom: 2px solid var(--borde); }
.tab {
  background: none; border: none; padding: .6rem .9rem; font-size: .95rem;
  color: var(--texto-suave); cursor: pointer; border-bottom: 3px solid transparent;
  margin-bottom: -2px; font-weight: 600;
}
.tab.activo { color: var(--azul-marino); border-bottom-color: var(--ambar); }

.insignia {
  display: inline-block; min-width: 20px; text-align: center;
  background: var(--error); color: #fff; font-size: .72rem; font-weight: 700;
  border-radius: 99px; padding: .1rem .4rem; margin-left: .25rem;
}
.insignia-nav { background: var(--ambar); color: var(--azul-marino); }

.tabla-contenedor { overflow-x: auto; background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); }
.tabla { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 640px; }
.tabla th, .tabla td { padding: .7rem .8rem; text-align: left; border-bottom: 1px solid var(--borde); }
.tabla th { background: var(--azul-marino); color: #fff; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
.tabla th:first-child { border-radius: var(--radio) 0 0 0; }
.tabla th:last-child { border-radius: 0 var(--radio) 0 0; }
.tabla tbody tr:last-child td { border-bottom: none; }
.tabla tbody tr:hover { background: #f8fafc; }
.tabla .num { text-align: right; white-space: nowrap; }
.tabla .acciones { white-space: nowrap; text-align: right; }

.badge {
  display: inline-block; font-size: .72rem; font-weight: 700;
  padding: .15rem .5rem; border-radius: 99px; margin-left: .35rem;
}
.badge-ok { background: #dcfce7; color: #166534; }
.badge-bajo { background: #fef3c7; color: #92400e; }
.badge-agotado { background: #fee2e2; color: #991b1b; }
.etiqueta-ok { background: #dcfce7; color: #166534; }
.etiqueta-off { background: #fee2e2; color: #991b1b; }
.recibo-ncf { font-size: 1rem; margin: .3rem 0; }
.ajustes h3 { margin: 1.4rem 0 .6rem; }
.ajustes h3:first-child { margin-top: 0; }

.btn-chico {
  background: #f1f5f9; border: 1px solid var(--borde); border-radius: 7px;
  padding: .35rem .55rem; font-size: .85rem; cursor: pointer; margin-left: .2rem;
}
.btn-chico:hover { background: #e2e8f0; }
.btn-chico:disabled { opacity: .45; cursor: default; }
.btn-peligro { color: var(--error); }
.btn-secundario {
  background: #fff; border: 1px solid var(--borde); border-radius: 8px;
  padding: .75rem 1.1rem; font-size: .95rem; font-weight: 600; cursor: pointer;
}

.alerta-banner {
  background: #fffbeb; border: 1px solid #fde68a; border-radius: var(--radio);
  padding: .9rem 1.1rem; margin-bottom: 1rem; font-size: .92rem;
}

.paginacion { display: flex; align-items: center; gap: .8rem; margin-top: .8rem; font-size: .88rem; color: var(--texto-suave); }

/* ── Modal ── */
.modal-fondo {
  position: fixed; inset: 0; background: rgba(15,27,45,.55);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 1rem; z-index: 50; overflow-y: auto;
}
.modal {
  background: #fff; border-radius: var(--radio); padding: 1.4rem;
  width: 100%; max-width: 560px; margin: 2rem 0;
  box-shadow: 0 25px 60px rgba(0,0,0,.35);
}
.modal h3 { margin-bottom: 1rem; }
.modal h4 { margin: 1rem 0 .5rem; font-size: .9rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .1rem .9rem; }
.form-grid .ancho-total { grid-column: 1 / -1; }
.form-grid label { margin-bottom: .7rem; }
.form-grid select, .modal input {
  display: block; width: 100%; margin-top: .3rem;
  padding: .65rem .75rem; font-size: .95rem;
  border: 1px solid var(--borde); border-radius: 8px;
}
.form-acciones { display: flex; justify-content: flex-end; gap: .7rem; margin-top: 1.1rem; }
.campo-par { display: grid; grid-template-columns: 1fr 1fr auto; gap: .5rem; margin-bottom: .5rem; align-items: center; }

@media (max-width: 560px) {
  .form-grid { grid-template-columns: 1fr; }
  .modal { margin: 1rem 0; padding: 1.1rem; }
  .form-acciones { flex-direction: column-reverse; }
  .form-acciones .btn-primario, .form-acciones .btn-secundario { width: 100%; }
  .recibo { padding: 1rem; }
  .recibo-tabla th, .recibo-tabla td { padding: .55rem .5rem; }
  .recibo-marca h2 { font-size: 1.05rem; }
}

/* ── Punto de venta (hito 3) ─────────────────────────────────────────── */
.pos-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.2rem;
  align-items: start;
}
.pos-col { min-width: 0; }
.pos-resultados { display: flex; flex-direction: column; gap: .4rem; margin-top: .6rem; }
.pos-resultado {
  display: flex; align-items: center; gap: .6rem; flex-wrap: wrap;
  text-align: left; background: var(--fondo-tarjeta, #fff);
  border: 1px solid var(--borde); border-radius: .6rem;
  padding: .6rem .8rem; cursor: pointer; width: 100%;
}
.pos-resultado:hover { border-color: var(--azul-marino); }
.pos-r-nombre { font-weight: 600; flex: 1; min-width: 120px; }
.pos-r-precio { font-weight: 700; color: var(--azul-marino); }
.pos-carrito {
  background: var(--fondo-tarjeta, #fff);
  border: 1px solid var(--borde); border-radius: .8rem;
  padding: 1rem; position: sticky; top: 1rem;
}
.pos-carrito h3 { margin-bottom: .6rem; }
.carrito-linea {
  display: grid; grid-template-columns: 1fr auto; gap: .3rem .6rem;
  padding: .6rem 0; border-bottom: 1px solid var(--borde);
}
.carrito-info strong { display: block; font-size: .9rem; }
.carrito-ctrl { display: flex; align-items: center; gap: .3rem; grid-column: 1 / -1; }
.carrito-cant { min-width: 2ch; text-align: center; font-weight: 700; }
.carrito-tipo { padding: .25rem; font-size: .8rem; border: 1px solid var(--borde); border-radius: .4rem; }
.carrito-sub { font-weight: 700; text-align: right; }
.btn-mini {
  border: 1px solid var(--borde); background: #fff; border-radius: .4rem;
  width: 1.7rem; height: 1.7rem; cursor: pointer; font-size: 1rem; line-height: 1;
}
.btn-mini:hover { border-color: var(--azul-marino); }
.btn-quitar { color: var(--error); }
.cobro label { display: block; margin: .7rem 0; font-size: .85rem; font-weight: 600; }
.cobro input[type="number"], .cobro input[type="text"], .cobro input[type="search"] {
  width: 100%; padding: .55rem; margin-top: .25rem;
  border: 1px solid var(--borde); border-radius: .5rem; font-size: 1rem;
}
.totales { margin: .8rem 0; font-size: .9rem; }
.totales > div { display: flex; justify-content: space-between; padding: .2rem 0; }
.totales .total { font-size: 1.15rem; font-weight: 800; color: var(--azul-marino); border-top: 2px solid var(--borde); margin-top: .3rem; padding-top: .5rem; }
.metodos { display: grid; grid-template-columns: 1fr 1fr; gap: .4rem; margin: .7rem 0; }
.metodo {
  border: 1px solid var(--borde); border-radius: .6rem; padding: .55rem;
  font-size: .85rem; cursor: pointer; text-align: center; margin: 0 !important; font-weight: 600 !important;
}
.metodo input { display: none; }
.metodo.activo { border-color: var(--azul-marino); background: #eef4ff; color: var(--azul-marino); }

/* ── Recibo digital ──────────────────────────────────────────────────── */
.recibo {
  max-width: 520px; margin: 0 auto; background: #fff;
  border: 1px solid var(--borde); border-radius: .8rem; padding: 1.4rem;
}
.recibo-marca { display: flex; align-items: center; gap: .7rem; margin-bottom: .4rem; }
.recibo-marca h2 { font-size: 1.2rem; }
.recibo-num { font-weight: 700; font-size: 1.05rem; }
.recibo-tabla { margin: 1rem 0; font-size: .88rem; min-width: 0; }
.recibo-totales { font-size: .95rem; }
.recibo-acciones { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1rem; }
.recibo-acciones .btn-primario { text-decoration: none; text-align: center; }
.paginacion { display: flex; align-items: center; gap: .8rem; margin-top: 1rem; }

@media (max-width: 860px) {
  .pos-layout { grid-template-columns: 1fr; }
  .pos-carrito { position: static; }
}
@media print {
  body * { visibility: hidden; }
  #recibo, #recibo * { visibility: visible; }
  #recibo { position: absolute; left: 0; top: 0; max-width: 100%; border: none; }
  .recibo-acciones { display: none; }
}

/* ── Caja (hito 4) ── */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: .6rem; margin: .8rem 0; }
.grafica-contenedor { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: .8rem; overflow-x: auto; }
.grafica-contenedor canvas { display: block; }
.kpi { background: var(--fondo); border: 1px solid var(--borde); border-radius: var(--radio); padding: .6rem .8rem; }
.kpi span { display: block; font-size: .75rem; color: var(--texto-suave); }
.kpi strong { font-size: 1.15rem; }
.filtros { display: flex; flex-wrap: wrap; gap: .6rem; align-items: flex-end; margin: .8rem 0; }
.filtros label { display: flex; flex-direction: column; font-size: .8rem; gap: .2rem; }
.denoms { display: grid; grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); gap: .4rem; margin: .5rem 0; }
.denom { display: flex; flex-direction: column; font-size: .75rem; gap: .2rem; }

/* Clientes */
.fila-form { display: flex; gap: 10px; align-items: center; margin: 14px 0; flex-wrap: wrap; }
.fila-form input[type="search"] { flex: 1; min-width: 200px; }
.fila-clic { cursor: pointer; }
.fila-clic:hover { background: color-mix(in srgb, var(--mint, #35d99a) 8%, transparent); }
.insignia-alerta { display: inline-block; padding: 2px 9px; border-radius: 999px; font-weight: 700; font-size: 12px; background: #fde8e8; color: #b42318; }

/* ── Selector de idioma ES/EN ── */
.idioma-toggle { display: inline-flex; gap: 4px; margin: 10px 0; }
.idioma-btn {
  border: 1.5px solid var(--borde, #cfd8d4); background: transparent;
  color: inherit; border-radius: 999px; padding: 3px 12px;
  font-size: 12.5px; font-weight: 700; cursor: pointer;
}
.idioma-btn.activo { background: #0e9f86; border-color: #0e9f86; color: #fff; }