:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --primary: #2f6fed;
  --primary-dark: #1f4fb8;
  --text: #1f2937;
  --muted: #6b7280;
  --danger: #c0392b;
  --success: #1f8f5f;
  --warning: #b7791f;
  --border: #dbe2ef;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 2rem;
  background: #101828;
  color: white;
}

.topbar h1,
.panel-header h2 {
  margin: 0;
}

.eyebrow {
  margin: 0 0 0.25rem;
  color: #a5b4fc;
  font-size: 0.85rem;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.card,
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.05);
}

.card {
  padding: 1rem;
}

.card span {
  color: var(--muted);
  display: block;
  margin-bottom: 0.5rem;
}

.card strong {
  font-size: 1.6rem;
}

.card.warning strong {
  color: var(--warning);
}

.panel {
  padding: 1rem 1.25rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.panel-header p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 0.85rem 0.7rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

th {
  color: var(--muted);
  font-weight: 600;
}

.actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: none;
  border-radius: 10px;
  padding: 0.7rem 1rem;
  cursor: pointer;
  background: var(--primary);
  color: white;
  font-weight: 600;
}

.button:hover {
  background: var(--primary-dark);
}

.button.secondary {
  background: #e5e7eb;
  color: var(--text);
}

.button.danger {
  background: var(--danger);
  color: white;
}

.button.danger:hover {
  background: #a93226;
}

.button.small {
  padding: 0.45rem 0.75rem;
  font-size: 0.85rem;
}

.messages {
  margin-bottom: 1rem;
}

.alert {
  padding: 0.8rem 1rem;
  border-radius: 12px;
  margin-bottom: 0.75rem;
}

.alert.success {
  background: #e8f8f0;
  color: var(--success);
}

.alert.error {
  background: #fdecec;
  color: var(--danger);
}

.inventory-form {
  display: grid;
  gap: 1rem;
}

.inventory-form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
}

.inventory-form input {
  padding: 0.75rem 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.form-actions {
  display: flex;
  gap: 0.75rem;
}

.empty-state {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--muted);
}

/* ── Topbar & Nav ─────────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: white;
}

.brand-icon { font-size: 1.4rem; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.nav-link {
  color: #cbd5e1;
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
  white-space: nowrap;
}

.nav-link:hover { background: rgba(255,255,255,0.1); color: white; }

.nav-user {
  color: #94a3b8;
  font-size: 0.85rem;
  padding: 0 0.5rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  font-size: 1.1rem;
  margin-left: auto;
}

/* ── Login page ────────────────────────────────────────────────────────── */
.login-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 75vh;
}

.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem 1.75rem;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 10px 30px rgba(15,23,42,0.08);
}

.login-title {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
}

.login-sub {
  color: var(--muted);
  margin: 0 0 1.25rem;
}

/* ── Page header ───────────────────────────────────────────────────────── */
.page-header {
  margin-bottom: 1.25rem;
}

.page-header h2 { margin: 0 0 0.25rem; }

.muted { color: var(--muted); margin: 0; }

.back-link {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.9rem;
  display: inline-block;
  margin-bottom: 0.4rem;
}

/* ── Filter bar ────────────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1rem;
}

.filter-input,
.filter-select {
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  background: var(--card);
}

.filter-input  { flex: 1; min-width: 180px; }
.filter-select { min-width: 150px; }

.result-count {
  color: var(--muted);
  font-size: 0.875rem;
  margin: 0 0 0.75rem;
}

/* ── Form helpers ──────────────────────────────────────────────────────── */
.full-width { width: 100%; justify-content: center; }

.form-section {
  border: none;
  border-top: 1px solid var(--border);
  padding: 1.25rem 0 0;
  margin: 0;
}

.form-section:first-of-type { border-top: none; padding-top: 0; }

.form-section legend {
  font-weight: 700;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0;
  margin-bottom: 0.75rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.grow { flex: 1; }

select, input, textarea {
  font-size: 16px; /* prevents iOS auto-zoom */
}

.inventory-form select,
.inventory-form input[type=text],
.inventory-form input[type=number],
.inventory-form input[type=email],
.inventory-form input[type=tel],
.inventory-form input[type=search],
.inventory-form input[type=password] {
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  width: 100%;
}

/* ── Client search row ─────────────────────────────────────────────────── */
.search-row {
  display: flex;
  gap: 0.6rem;
  align-items: flex-end;
}

.cliente-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.9rem;
  background: #e8f8f0;
  border-radius: 10px;
  margin-top: 0.5rem;
}

.info-box {
  background: #fef9ec;
  border: 1px solid #f0d080;
  border-radius: 10px;
  padding: 0.6rem 0.9rem;
  font-size: 0.9rem;
  margin: 0.5rem 0;
}

/* ── Badges ────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-success   { background: #e8f8f0; color: var(--success); }
.badge-sold      { background: #f0e8ff; color: #6b21a8; }
.badge-returned  { background: #f5f5f5; color: #6b7280; }
.badge-cond      { background: #e8f0ff; color: #1e40af; }
.badge-antigua   { background: #fdecec; color: var(--danger); font-size: 0.7rem; }
.badge-tx-compra    { background: #e8f0ff; color: #1e40af; }
.badge-tx-venta     { background: #e8f8f0; color: var(--success); }
.badge-tx-ajuste    { background: #fef3c7; color: #92400e; }
.badge-tx-devolución { background: #fdecec; color: var(--danger); }

/* ── Product grid (ventas) ─────────────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.product-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.product-code   { font-weight: 700; font-family: monospace; }
.product-desc   { margin: 0; font-size: 0.95rem; }
.product-meta   { margin: 0; font-size: 0.85rem; color: var(--muted); }
.product-price  { margin: 0; font-size: 0.85rem; color: var(--muted); }

/* ── Sale panel (slide-up sheet) ───────────────────────────────────────── */
.sale-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 200;
}

.sale-panel {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--card);
  border-radius: 24px 24px 0 0;
  padding: 1.5rem 1.25rem 2rem;
  z-index: 201;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 -10px 40px rgba(15,23,42,0.15);
}

.sale-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}

.sale-panel-header h3 { margin: 0; font-family: monospace; }

.sale-summary-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.4rem 1rem;
  margin: 1rem 0;
  padding: 0.75rem;
  background: var(--bg);
  border-radius: 12px;
}

.text-right   { text-align: right; }
.text-primary { color: var(--primary); font-weight: 600; }
.text-success { color: var(--success); font-weight: 600; }

/* ── Inventory table helpers ───────────────────────────────────────────── */
.nowrap { white-space: nowrap; }

tr.row-antigua { background: #fff5f5; }
tr.row-antigua:hover { background: #fee2e2; }
tr.row-devuelta { opacity: 0.55; }

tfoot .totals-row td {
  border-top: 2px solid var(--border);
  padding-top: 0.75rem;
}

/* ── Liquidación summary ───────────────────────────────────────────────── */
.liquidacion-summary {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.liquidacion-summary-helper {
  margin: 0;
  padding: 0.2rem 0.25rem 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.liquidacion-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.25rem;
  border-bottom: 1px solid var(--border);
}

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

.big-number { font-size: 1.4rem; }

.liquidacion-confirm-grid strong {
  text-align: right;
}

.liquidacion-confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* ── Fat-finger global: inputs grandes en toda la app ─────────────────── */
/* input-fat: altura mínima 52px, fuente grande para que sea legible sin lentes */
.input-fat {
  min-height: 52px;
  font-size: 1.05rem !important;
}

/* Botón de acción principal XL: imposible de ignorar, imposible de fallar el toque */
.btn-primary-xl {
  min-height: 58px;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
}

/* Botón "Anular venta" en tabla de inventario — compacto, sin desborde de celda */
.btn-anular {
  min-height: unset;
  height: auto;
  padding: 0.3rem 0.65rem;
  font-size: 0.82rem;
  white-space: nowrap;
  border-radius: 8px;
  line-height: 1.4;
}

/* Link de nav activo (resaltado con fondo blanco semitransparente) */
.nav-link--active {
  background: rgba(255, 255, 255, 0.15);
  color: white !important;
  font-weight: 700;
}

/* Hint centrado debajo de un botón */
.text-center { text-align: center; }

/* ── Hidden utility ────────────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Ventas: fat-finger targets, micro-copy, inline errors ────────────── */
.panel-drag {
  width: 40px;
  height: 4px;
  background: var(--border);
  border-radius: 4px;
  margin: 0 auto 1.25rem;
}

/* Texto de ayuda bajo los inputs — explica sin tecnicismos */
.field-help {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 400;
  margin: 0.15rem 0 0;
}

/* Mensaje de error inline bajo el campo afectado */
.field-error-msg {
  font-size: 0.82rem;
  color: var(--danger);
  font-weight: 600;
  margin: 0.15rem 0 0;
}

/* Borde rojo en el input con error */
.input-error {
  border-color: var(--danger) !important;
  background: #fff8f8;
}

/* Botón de acción principal de venta — tamaño grande, imposible de ignorar */
.btn-venta-confirm {
  min-height: 58px;
  font-size: 1.1rem;
  margin-top: 0.5rem;
}

/* Botón "Vender esta prenda" en cada tarjeta — mínimo 48px para dedos gruesos */
.product-card .btn-venta-card {
  min-height: 48px;
  margin-top: auto;
}

.carrito-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.carrito-count-wrap {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.carrito-count-badge {
  min-width: 1.8rem;
  text-align: center;
}

.carrito-toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 1200;
  background: #111827;
  color: #fff;
  padding: 0.6rem 0.85rem;
  border-radius: 10px;
  font-size: 0.88rem;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease;
}

.carrito-toast.show {
  opacity: 1;
  transform: translateY(0);
}

.btn-carrito-add.is-added {
  background: #e8f8f0;
  color: #116149;
  border-color: #c6ecd9;
  cursor: default;
}

.btn-added-pulse {
  animation: btnPulse .22s ease-out;
}

@keyframes btnPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

/* ── Carrito drawer (slide-in desde la derecha) ────────────────────────── */

.btn-fab-carrito {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1.1rem;
  background: var(--primary, #2563eb);
  color: #fff;
  border: none;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.38);
  transition: transform .15s ease, box-shadow .15s ease;
}

.btn-fab-carrito:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(37, 99, 235, 0.45);
}

.btn-fab-carrito .carrito-count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  height: 1.5rem;
  padding: 0 0.35rem;
  background: #fff;
  color: var(--primary, #2563eb);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1;
}

.carrito-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 201;
}

.carrito-drawer {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: 420px;
  background: var(--card);
  z-index: 202;
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1.25rem 2rem;
  overflow-y: auto;
  box-shadow: -10px 0 40px rgba(15, 23, 42, 0.15);
  transform: translateX(100%);
  transition: transform 0.28s ease;
}

.carrito-drawer.open {
  transform: translateX(0);
}

.carrito-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.carrito-drawer-header h3 {
  margin: 0;
}

/* Precio en la tabla del carrito — grande y fácil de tocar */
.carrito-precio {
  font-size: 1.4rem !important;
  font-weight: 600;
  width: 100%;
  min-width: 7rem;
  text-align: right;
}

/* Botón − compacto para quitar prendas del carrito */
.btn-quitar-mini {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  border: 2px solid var(--danger, #dc2626);
  background: transparent;
  color: var(--danger, #dc2626);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.btn-quitar-mini:hover {
  background: var(--danger, #dc2626);
  color: #fff;
}

/* Columnas de la tabla del carrito — 3 columnas: prenda | precio | quitar */
#form-carrito table {
  table-layout: fixed;
  width: 100%;
}
#form-carrito table th:nth-child(2),
#form-carrito table td:nth-child(2) { width: 9rem; }
#form-carrito table th:nth-child(3),
#form-carrito table td:nth-child(3) { width: 3rem; text-align: center; }

/* Badge del código dentro de la celda de descripción */
.carrito-codigo-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--muted, #6b7280);
  background: var(--surface, #f1f5f9);
  border-radius: 4px;
  padding: 0.05rem 0.35rem;
  letter-spacing: 0.03em;
  margin-bottom: 0.2rem;
}

.carrito-desc {
  display: block;
  font-size: 0.88rem;
  line-height: 1.3;
}

/* Hint de modo de pago faltante */
.carrito-pago-hint {
  color: #b45309;
  font-size: 0.88rem;
  margin: 0.25rem 0 0.5rem;
}

@media (max-width: 520px) {
  .carrito-drawer {
    width: 100%;
  }
}

/* ── Mobile responsive ─────────────────────────────────────────────────── */

/* ── Importación: zona de carga y tabla de previsualización ──────────── */

/* Zona de carga clickeable / drag-and-drop */
.drop-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 140px;
  border: 2px dashed var(--border);
  border-radius: 8px;
  background: var(--bg-alt, #f8f9fa);
  cursor: pointer;
  padding: 1.5rem 1rem;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
  /* anula los estilos por defecto de <label> */
  font-weight: 400;
  margin: 0;
}
.drop-zone:hover,
.drop-zone--active {
  border-color: var(--primary);
  background: #eef5ff;
}
.drop-zone__icon {
  font-size: 2rem;
  line-height: 1;
}
.drop-zone__texto {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
}

/* Mensaje de error de columnas */
.preview-error {
  background: #fff0f0;
  border: 1.5px solid var(--danger);
  color: var(--danger);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

/* Tabla de previsualización (compact, scroll horizontal en móvil) */
.preview-table {
  font-size: 0.82rem;
  border-collapse: collapse;
  width: 100%;
}
.preview-table th,
.preview-table td {
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--border);
  white-space: nowrap;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.preview-table thead {
  background: var(--bg-alt, #f3f4f6);
  font-weight: 700;
}

/* Botón verde de confirmación de importación */
.btn-importar-confirmar {
  background: var(--success, #22c55e);
  color: #fff;
  border-color: transparent;
  min-height: 58px;
  font-size: 1.1rem;
}
.btn-importar-confirmar:hover {
  background: #16a34a;
}

@media (max-width: 768px) {
  .topbar {
    flex-direction: row;
    flex-wrap: wrap;
    padding: 0.9rem 1rem;
  }

  .nav-toggle { display: block; }

  .main-nav {
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding: 0.5rem 0;
  }

  .main-nav.open { display: flex; }

  .nav-link {
    padding: 0.75rem 0.5rem;
    border-top: 1px solid rgba(255,255,255,0.08);
  }

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

  .filter-bar--multi {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-input,
  .filter-select { width: 100%; }

  .panel-header,
  .form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .actions { flex-direction: column; align-items: stretch; }

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

  .sale-panel { padding: 1.25rem 1rem 1.5rem; }

  .liquidacion-confirm-actions {
    flex-direction: column-reverse;
  }
}