/* ============================================================
   MENÚ: PUNTO DE VENTA
   Layout: barra de búsqueda arriba + 2 columnas
   (izquierda: cliente/carrito · derecha: cobro siempre visible)
   Separado de styles.css — el orden de los archivos en index.html
   replica el orden original para conservar la cascada exacta.
   ============================================================ */

/* ===== CONTENEDOR: columna completa, sin espacios vacíos ===== */
.pos-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 64px);
  overflow: hidden;
}

/* ============================================================
   BARRA SUPERIOR: BUSCADOR + CATEGORÍA + COTIZACIONES
   ============================================================ */
.pos-topbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: linear-gradient(135deg, #ffffff 0%, #f7f9fc 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 60;
}

.pos-topbar::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #6366f1, #8b5cf6);
  pointer-events: none;
}

/* --- Buscador --- */
.pos-search-wrapper {
  flex: 1 1 auto;
  min-width: 180px;
  position: relative;
  display: flex;
  align-items: center;
}

.pos-search {
  width: 100%;
  height: 46px;
  padding: 0 44px 0 46px;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  background: #ffffff;
  transition: border-color 0.2s, box-shadow 0.2s;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 14px center;
  background-size: 20px;
}

.pos-search:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.13);
}

.pos-search::placeholder {
  color: #94a3b8;
  font-weight: 500;
}

.pos-search-clear {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border: none;
  background: #f1f5f9;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #64748b;
  transition: all 0.15s;
  z-index: 3;
}

.pos-search-clear:hover {
  background: #fee2e2;
  color: var(--danger);
}

/* --- Categoría --- */
.pos-categoria-select {
  flex: 0 0 auto;
  height: 46px;
  padding: 0 12px;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  min-width: 150px;
  max-width: 190px;
  font-size: 0.88rem;
  font-weight: 700;
  background: #ffffff;
  transition: all 0.2s;
}

.pos-categoria-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.13);
}

/* --- Contador --- */
.pos-count-chip {
  flex: 0 0 auto;
  background: linear-gradient(135deg, var(--primary), #6366f1);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 8px 14px;
  border-radius: 999px;
  white-space: nowrap;
  letter-spacing: 0.3px;
  box-shadow: 0 6px 14px -8px rgba(37, 99, 235, 0.9);
}

/* ============================================================
   RESULTADOS: lista desplegable SOLO bajo el buscador
   ============================================================ */
.pos-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  max-height: min(52vh, 460px);
  overflow-y: auto;
  background: #ffffff;
  border: 2px solid #e2e8f0;
  border-radius: 14px;
  box-shadow: 0 28px 56px -18px rgba(15, 23, 42, 0.4);
  padding: 6px;
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pos-products--hidden,
.pos-results.pos-products--hidden {
  display: none;
}

.pos-results.pos-products--visible {
  display: flex;
}

/* Fila de resultado */
.pos-results .product-card {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  padding: 10px 12px;
  border: 2px solid transparent;
  border-radius: 10px;
  background: linear-gradient(180deg, #ffffff, #fcfdff);
  cursor: pointer;
  box-shadow: none;
  transform: none;
}

.pos-results .product-card:hover {
  transform: none;
  box-shadow: none;
}

.pos-results .product-card.selected {
  transform: none;
  border-color: var(--primary);
  background: linear-gradient(135deg, #eff6ff, #e7ecff);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

.pos-results .product-card .product-name {
  margin: 0;
  min-height: 0;
  font-size: 0.93rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: unset;
  display: block;
}

.pos-results .product-card .product-code {
  margin: 2px 0 0;
  font-size: 0.72rem;
}

.pos-results .product-card .product-price {
  margin-left: auto;
  font-size: 1rem;
  min-width: 96px;
  text-align: right;
  background: none;
  -webkit-text-fill-color: initial;
  color: var(--primary);
}

.pos-results .product-card .product-stock {
  margin-top: 0;
  min-width: 76px;
  text-align: right;
}

.pos-vacio {
  text-align: center;
  color: var(--text-light);
  padding: 18px 12px;
  font-size: 0.92rem;
  font-weight: 600;
}

/* ============================================================
   COTIZACIONES CON BANDERAS
   ============================================================ */
.pos-cot-chips {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pos-cot-chips .cot-flag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.14);
  border-radius: 999px;
  padding: 7px 12px;
  font-weight: 800;
  font-size: 0.75rem;
  color: #0f172a;
  white-space: nowrap;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.1);
}

.pos-cot-chips .cot-flag .bandera {
  width: 19px;
  height: 19px;
  vertical-align: -5px;
}

.pos-cot-chips .cot-sep {
  color: #94a3b8;
  font-weight: 700;
}

/* ============================================================
   ÁREA DE TRABAJO: 2 COLUMNAS
   ============================================================ */
.pos-grid {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 400px;
  gap: 0;
  min-height: 0;
  overflow: hidden;
}

.pos-panel {
  min-height: 0;
  min-width: 0;
}

/* ---------- IZQUIERDA: CLIENTE + CARRITO ---------- */
.pos-panel--items {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid var(--border);
  background: var(--card);
}

.pos-cart-header {
  flex: 0 0 auto;
  padding: 13px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 60%, #312e81 100%);
  box-shadow: 0 8px 20px -12px rgba(15, 23, 42, 0.6);
}

.pos-cart-header h3 {
  font-size: 1.05rem;
  color: #ffffff;
  margin: 0;
}

.pos-cart-titulo {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.pos-cart-chip {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #e0e7ff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.4px;
  white-space: nowrap;
}

.pos-cart-header .btn-danger {
  background: rgba(244, 63, 94, 0.22);
  color: #fecdd3;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.pos-cart-header .btn-danger:hover {
  background: rgba(244, 63, 94, 0.55);
  color: #ffffff;
}

/* Cliente */
.pos-cliente-row {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, #f8fafc, #eef2ff);
}

.pos-cliente-row .pos-label {
  margin: 0;
  flex: 0 0 auto;
}

.pos-cliente-row .pos-select {
  flex: 1 1 auto;
  min-width: 0;
}

/* Items */
.pos-cart-items {
  flex: 1 1 auto;
  overflow-y: auto;
  min-height: 0;
  padding: 8px;
}

.cart-item {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  gap: 12px;
  transition: background 0.15s;
  border-radius: 10px;
  margin: 3px 0;
  border: 1px solid transparent;
}

.cart-item:hover {
  background: #f8fafc;
  border-color: var(--border);
}

.cart-item:focus {
  outline: none;
  background: #eff6ff;
  border-color: var(--primary);
  box-shadow: inset 3px 0 0 var(--primary);
}

.cart-item-info {
  flex: 1 1 auto;
  min-width: 0;
}

.cart-item-name {
  font-weight: 700;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-item-price {
  font-size: 0.78rem;
  color: var(--text-light);
  margin-top: 2px;
}

.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.cart-item-qty button {
  width: 34px;
  height: 34px;
  border: 2px solid #cbd5e1;
  background: #ffffff;
  border-radius: 10px;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 700;
  color: #475569;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.cart-item-qty button:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 10px -4px rgba(37, 99, 235, 0.6);
}

.cart-item-qty span {
  min-width: 40px;
  text-align: center;
  font-weight: 800;
  font-size: 1rem;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 5px 10px;
}

.cart-item-subtotal {
  font-weight: 800;
  font-size: 1rem;
  min-width: 100px;
  text-align: right;
  color: var(--primary);
  flex: 0 0 auto;
}

.cart-item-remove {
  color: var(--danger);
  cursor: pointer;
  font-size: 1.3rem;
  background: none;
  border: none;
  padding: 4px 8px;
  border-radius: 6px;
  transition: background 0.15s;
  flex: 0 0 auto;
}

.cart-item-remove:hover {
  background: #fef2f2;
}

/* Promociones */
.promo-chip {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
  background: #fef3c7;
  color: #92400e;
}

.promo-antes {
  text-decoration: line-through;
  color: var(--text-light);
  font-size: 0.75rem;
  font-weight: 400;
  margin-right: 4px;
}

.promo-final,
.promo-precio {
  color: #047857;
  font-weight: 800;
}

/* Carrito vacío */
.pos-cart-vacio {
  text-align: center;
  color: var(--text-light);
  padding: 40px 16px;
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.8;
}

.pos-cart-vacio small {
  font-size: 0.82rem;
  font-weight: 500;
  opacity: 0.85;
}

.pos-cart-vacio kbd {
  display: inline-block;
  min-width: 22px;
  padding: 2px 8px;
  border: 1px solid #cbd5e1;
  border-bottom-width: 2px;
  border-radius: 6px;
  background: linear-gradient(180deg, #ffffff, #f1f5f9);
  color: #475569;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 800;
}

/* ---------- DERECHA: COBRO ---------- */
.pos-panel--cobro {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 14px;
  overflow-y: auto;
  background: linear-gradient(180deg, #ffffff 0%, #f6f8fc 100%);
}

.pos-cobro-title {
  flex: 0 0 auto;
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-light);
  padding-bottom: 6px;
  border-bottom: 2px dashed #e2e8f0;
}

/* Etiquetas */
.pos-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-light);
  font-weight: 800;
  margin-bottom: 5px;
}

.pos-select {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  font-size: 0.98rem;
  font-weight: 600;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  background: #ffffff;
  transition: all 0.2s;
}

.pos-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.13);
}

/* Totales */
.pos-totals {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 6px 2px;
  font-size: 0.95rem;
}

.total-row > span:first-child {
  color: var(--text-light);
  font-weight: 700;
}

.total-row > span:last-child {
  font-weight: 800;
}

/* Descuento: campo grande y visible */
.total-row--descuento {
  padding: 4px 2px;
}

.pos-desc-wrap {
  display: flex;
  justify-content: flex-end;
}

.pos-panel--cobro .pos-num-input {
  width: 170px;
  height: 46px;
  padding: 0 14px;
  font-size: 1.1rem;
  font-weight: 800;
  text-align: right;
  border: 2px solid #fde68a;
  border-radius: 12px;
  background: linear-gradient(180deg, #ffffff, #fffbeb);
  color: #92400e;
  transition: all 0.2s;
}

.pos-panel--cobro .pos-num-input:focus {
  outline: none;
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.13);
  color: var(--text);
}

.pos-num-input--full,
.pos-panel--cobro .pos-num-input--full {
  width: 100%;
  text-align: left;
  background: #ffffff;
  border-color: #e2e8f0;
  color: var(--text);
}

/* IVA */
.iva-label {
  font-size: 0.9rem;
}

.iva-control {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

#pos-iva-toggle {
  display: inline-flex;
  background: #f1f5f9;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  padding: 3px;
  gap: 3px;
}

.iva-btn {
  border: none;
  background: transparent;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 5px 16px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-light);
  line-height: 1.4;
  transition: all 0.15s;
  letter-spacing: 0.3px;
}

.iva-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.7);
}

.iva-btn.active[data-iva="si"] {
  background: linear-gradient(135deg, #059669, #10b981);
  color: #ffffff;
  box-shadow: 0 4px 12px -4px rgba(5, 150, 105, 0.8);
}

.iva-btn.active[data-iva="no"] {
  background: linear-gradient(135deg, #475569, #334155);
  color: #ffffff;
  box-shadow: 0 4px 12px -4px rgba(51, 65, 85, 0.7);
}

.iva-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.3);
}

.iva-row.off #pos-impuestos {
  color: var(--text-light);
  font-weight: 600;
  opacity: 0.7;
}

.iva-row:not(.off) #pos-impuestos {
  color: #047857;
  font-weight: 800;
}

/* TOTAL final */
.total-row.total-final {
  font-size: 1.3rem;
  font-weight: 900;
  color: #ffffff;
  background: linear-gradient(135deg, #2563eb, #4f46e5 55%, #7c3aed);
  padding: 12px 16px;
  margin-top: 4px;
  border-radius: 14px;
  box-shadow: 0 14px 30px -12px rgba(79, 70, 229, 0.8);
  letter-spacing: 0.4px;
}

.total-row.total-final > span:first-child {
  color: rgba(255, 255, 255, 0.9);
}

.total-row.total-final > span:last-child {
  color: #ffffff;
  font-size: 1.4rem;
}

/* Filas extra (vuelto / equivalencia) */
.total-row--extra {
  font-size: 0.92rem;
  padding: 5px 2px;
  border-top: 1px dashed #e2e8f0;
}

/* Bloques del cobro */
.pos-cobro-bloque {
  flex: 0 0 auto;
}

/* Métodos de pago */
.pos-panel--cobro .pos-metodos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 0;
}

.pos-panel--cobro .pos-metodos .metodo-btn.metodo-btn--compact {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: 48px;
  padding: 4px;
  font-size: 1.05rem;
  line-height: 1;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  background: linear-gradient(180deg, #ffffff, #f8fafc);
  cursor: pointer;
  transition: all 0.15s;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.07);
}

.pos-panel--cobro .metodo-btn--compact em {
  font-style: normal;
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: 0.2px;
}

.pos-panel--cobro .metodo-btn--compact:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.pos-panel--cobro .metodo-btn--compact:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}

.pos-panel--cobro .metodo-btn--compact.active {
  border-color: var(--primary);
  background: linear-gradient(135deg, var(--primary), #6366f1);
  color: #ffffff;
  box-shadow: 0 10px 22px -10px rgba(37, 99, 235, 0.85);
}

.pos-panel--cobro .metodo-btn--compact.active em {
  color: rgba(255, 255, 255, 0.92);
}

.pos-panel--cobro .metodo-btn--compact[data-metodo="CREDITO"].active {
  border-color: #f59e0b;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  box-shadow: 0 10px 22px -10px rgba(245, 158, 11, 0.85);
}

.pos-panel--cobro .metodo-btn--compact[data-metodo="QR"].active,
.pos-panel--cobro .metodo-btn--compact[data-metodo="PIX"].active {
  border-color: #7c3aed;
  background: linear-gradient(135deg, #7c3aed, #6d28d9);
  box-shadow: 0 10px 22px -10px rgba(124, 58, 237, 0.85);
}

/* Moneda + monto pagado */
.pos-pago-fila {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  align-items: start;
}

.pos-pago-fila .form-group {
  margin-bottom: 0;
  min-width: 0;
}

.cotizacion-info {
  display: block;
  font-size: 0.74rem;
  color: var(--text-light);
  margin-top: 5px;
  font-weight: 600;
}

/* Nota de método de pago → vive en pos-metodos.css (archivo dedicado) */

/* Botón procesar: siempre al fondo */
.pos-btn-procesar {
  flex: 0 0 auto;
  margin-top: auto;
  padding: 18px;
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 0.5px;
  border: none;
  border-radius: 14px;
  color: #ffffff;
  background: linear-gradient(135deg, #059669, #10b981 45%, #34d399);
  box-shadow: 0 16px 34px -12px rgba(16, 185, 129, 0.8);
  transition: transform 0.15s, box-shadow 0.15s, filter 0.15s;
}

.pos-btn-procesar:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 20px 40px -12px rgba(16, 185, 129, 0.9);
}

.pos-btn-procesar:active {
  transform: translateY(0);
}

/* Botón chico (Limpiar) */
.btn-xs {
  padding: 7px 14px;
  font-size: 0.8rem;
  font-weight: 800;
  border-radius: 9px;
  letter-spacing: 0.3px;
}

/* Utilidad */
.hidden {
  display: none !important;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .pos-grid {
    grid-template-columns: minmax(0, 1fr) 360px;
  }
}

@media (max-width: 900px) {
  .pos-container {
    height: auto;
    min-height: calc(100vh - 64px);
    overflow: visible;
  }

  .pos-topbar {
    flex-wrap: wrap;
  }

  .pos-search-wrapper {
    flex: 1 1 100%;
  }

  .pos-categoria-select {
    max-width: none;
    flex: 1 1 auto;
  }

  .pos-grid {
    grid-template-columns: 1fr;
    overflow: visible;
  }

  .pos-panel--items {
    border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: 46vh;
  }

  .pos-cart-items {
    min-height: 120px;
  }
}

@media (max-width: 768px) {
  .pos-panel--cobro .pos-metodos {
    grid-template-columns: repeat(2, 1fr);
  }

  .pos-pago-fila {
    grid-template-columns: 1fr;
  }

  .pos-panel--cobro .pos-num-input {
    width: 140px;
  }

  .cart-item-subtotal {
    min-width: 80px;
  }
}