:root {
  --bg: #f5f7f2;
  --card: #ffffff;
  --border: #e4e8de;
  --text: #202821;
  --text-soft: #6d7666;
  --primary: #4d8d3f;
  --primary-dark: #386b2d;
  --primary-soft: #e9f3e4;
  --accent: #f4c430;
  --accent-dark: #b98900;
  --accent-soft: #fdf3d6;
  --danger: #c94a3a;
  --danger-soft: #fbe9e6;
  --info: #3b6fb0;
  --info-dark: #2a548a;
  --info-soft: #e4ecf7;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(32, 40, 33, 0.06), 0 6px 20px rgba(32, 40, 33, 0.05);
  --font-display: 'Poppins', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
}

.oculto { display: none !important; }

/* INPUTS — estado base + foco consistente en todo el sistema */
input[type="text"], input[type="number"], input[type="date"], input[type="month"],
input[type="tel"], input[type="password"], select {
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.6rem 0.7rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}
input[type="text"]:focus, input[type="number"]:focus, input[type="date"]:focus,
input[type="month"]:focus, input[type="tel"]:focus, input[type="password"]:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(77, 141, 63, 0.15);
}
input::placeholder { color: #a7ae9e; }
input:disabled, select:disabled { opacity: 0.55; cursor: not-allowed; }

/* HEADER */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 1rem 1.8rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand-logo { height: 56px; width: auto; object-fit: contain; }
.login-logo { height: 100px; width: auto; object-fit: contain; display: block; margin: 0 auto 0.9rem; }

/* Envuelve tabs + sesión: en escritorio es invisible para el layout
   (sus hijos actúan como si fueran hijos directos de .topbar); en
   mobile se convierte en el panel del menú hamburguesa. */
.menu-movil-panel { display: contents; }

.btn-menu-movil {
  display: none;
  background: none;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  width: 42px;
  height: 42px;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.btn-menu-movil:hover { border-color: var(--primary); color: var(--primary-dark); }

.menu-movil-fondo {
  position: fixed;
  inset: 0;
  background: rgba(32, 40, 33, 0.35);
  z-index: 15;
}

/* NAV */
.tabs { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.tab {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.88rem;
  background: transparent;
  border: none;
  color: var(--text-soft);
  padding: 0.55rem 1rem;
  cursor: pointer;
  border-radius: 999px;
  transition: background 0.15s, color 0.15s;
}
.tab:hover { background: var(--primary-soft); color: var(--primary-dark); }
.tab.activo { background: var(--primary); color: #fff; }

#sesion-nombre { font-weight: 600; }

/* MENÚ DE CUENTA (Ajustes + Cerrar sesión, desplegable) */
.menu-cuenta { position: relative; flex-shrink: 0; }
.menu-cuenta-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}
.menu-cuenta-btn:hover { border-color: var(--primary); color: var(--primary-dark); }
.menu-cuenta-caret { font-size: 0.7rem; color: var(--text-soft); }
.menu-cuenta-panel {
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 16px 28px rgba(32, 40, 33, 0.15);
  display: flex;
  flex-direction: column;
  min-width: 170px;
  padding: 0.4rem;
  z-index: 25;
}
.menu-cuenta-panel.oculto { display: none; }
.menu-cuenta-item {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.7rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
}
.menu-cuenta-panel .tab.menu-cuenta-item { font-family: var(--font-body); font-weight: 500; border-radius: var(--radius-sm); }
.menu-cuenta-item:hover { background: var(--primary-soft); color: var(--primary-dark); }
.menu-cuenta-item.activo { background: var(--primary); color: #fff; }
.menu-cuenta-salir { color: var(--danger); }
.menu-cuenta-salir:hover { background: var(--danger-soft); color: var(--danger); }

/* LOGIN */
.pantalla-login {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 1rem;
}
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  width: min(380px, 100%);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.login-card h1 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  text-align: center;
  margin: 0 0 0.2rem;
}
.login-card label {
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-soft);
  margin-top: 0.7rem;
}
.login-card input { width: 100%; }

main { padding: 1.6rem 1.8rem 3rem; max-width: 1100px; margin: 0 auto; }

.vista { display: none; }
.vista.activa { display: block; }

.vista-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.3rem;
}
.vista-header h1 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0;
}
.input-fecha {
  font-family: var(--font-body);
  padding: 0.5rem 0.7rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--text);
}

/* STATS */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.3rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-soft);
  font-weight: 500;
}
.stat-valor {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
}
.stat-primaria { background: var(--primary-soft); border-color: transparent; }
.stat-primaria .stat-valor { color: var(--primary-dark); }
.stat-acento { background: var(--accent-soft); border-color: transparent; }
.stat-acento .stat-valor { color: var(--accent-dark); }

.pagos-grid {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-bottom: 1.6rem;
}
.pago-pill {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}
.pago-label { color: var(--text-soft); }
.pago-valor { font-weight: 700; }

/* CARDS / TABLES */
.card-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem;
  margin-bottom: 1.2rem;
}
.card-wrap h2 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.8rem;
}
.tabla-scroll { overflow-x: auto; }
.tabla { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.tabla thead th {
  text-align: left;
  font-weight: 600;
  color: var(--text-soft);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.5rem 0.6rem;
  border-bottom: 1.5px solid var(--border);
}
.tabla tbody td { padding: 0.65rem 0.6rem; border-bottom: 1px solid var(--border); }
.tabla tbody tr:last-child td { border-bottom: none; }
.tabla tbody tr:hover { background: var(--primary-soft); }
.vacio { text-align: center; color: var(--text-soft); font-style: italic; padding: 1.4rem 0 !important; }

.ganancia-positiva { color: var(--primary-dark); font-weight: 600; }

/* BUTTONS */
.btn-primario, .btn-secundario {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.2rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.15s, transform 0.1s;
}
.btn-primario:active:not(:disabled), .btn-secundario:active { transform: translateY(1px); }
.btn-primario { background: var(--primary); color: #fff; }
.btn-primario:hover:not(:disabled) { background: var(--primary-dark); }
.btn-primario:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-secundario { background: var(--primary-soft); color: var(--primary-dark); }
.btn-secundario:hover { background: #dcedd4; }
.btn-fila {
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--primary-soft);
  border: 1.5px solid transparent;
  color: var(--primary-dark);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.85rem;
  cursor: pointer;
  margin-right: 0.35rem;
}
.btn-fila:hover { background: var(--primary); color: #fff; }
.btn-fila.peligro { background: var(--danger-soft); color: var(--danger); }
.btn-fila.peligro:hover { background: var(--danger); color: #fff; }
.btn-fila.btn-precio { background: var(--info-soft); color: var(--info-dark); }
.btn-fila.btn-precio:hover { background: var(--info); color: #fff; }

/* Spinner de carga dentro de un botón: se usa mientras una acción está
   esperando respuesta del servidor (guardar, confirmar venta, etc.), para
   que no parezca que el sistema quedó colgado. */
.spinner {
  display: inline-block;
  width: 13px;
  height: 13px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  vertical-align: -2px;
  margin-right: 0.45rem;
  animation: girar 0.6s linear infinite;
}
.btn-secundario .spinner, .btn-fila .spinner {
  border-color: rgba(56, 107, 45, 0.25);
  border-top-color: var(--primary-dark);
}
@keyframes girar { to { transform: rotate(360deg); } }

/* OVERLAY DE CARGA AL CAMBIAR DE PANTALLA */
.vista-cargando {
  position: fixed; inset: 0; z-index: 70;
  background: rgba(245, 247, 242, 0.88);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.18s ease;
}
.vista-cargando.oculto { opacity: 0; pointer-events: none; }
.vista-cargando-anillo {
  width: 76px; height: 76px;
  border-radius: 50%;
  border: 4px solid var(--primary-soft);
  border-top-color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  animation: girar 0.9s linear infinite;
}
.vista-cargando-logo {
  width: 38px; height: 38px; object-fit: contain;
  animation: pulso-logo 1.1s ease-in-out infinite;
}
@keyframes pulso-logo { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.55; transform: scale(0.92); } }

/* FILTERS */
.filtros { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.filtro-categoria {
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--card);
  border: 1.5px solid var(--border);
  color: var(--text-soft);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
}
.filtro-categoria.activo { background: var(--primary); border-color: var(--primary); color: #fff; }

/* FORMS - VENTA */
.panel-venta { display: grid; grid-template-columns: 360px 1fr; gap: 1.2rem; align-items: start; }

/* Solo mientras "Nueva venta" está activa, la app pasa a ser un
   "cascarón" de alto fijo: barra arriba (tamaño natural) + contenido (el
   resto), calculado por el propio flexbox del navegador -sin medir nada
   por JS ni adivinar un calc() con constantes, que es frágil y se
   desalinea apenas cambia algo. Ojo: esto queda atado a la clase
   .venta-activa (activarVista() la pone/saca en <body>) a propósito -
   las demás vistas (Productos, Estadísticas, etc.) necesitan su alto
   natural con scroll de página normal, no encajar en esta caja. */
@media (min-width: 761px) {
  html, body { height: 100%; }
  body.venta-activa { display: flex; flex-direction: column; overflow: hidden; }
  body.venta-activa #topbar { flex-shrink: 0; }
  body.venta-activa #main-app { flex: 1 1 auto; min-height: 0; overflow-y: auto; }

  /* Sin título propio (ya está la pestaña "Nueva venta") y recuperando
     el padding vertical de <main> -normalmente aire de sobra para una
     página que scrollea, pero acá cada pixel de alto cuenta. */
  #vista-venta.activa {
    display: flex;
    flex-direction: column;
    height: calc(100% + 4.6rem);
    margin: -1.6rem 0 -3rem;
    padding-top: 0.6rem;
  }
  #vista-venta .panel-venta { flex: 1 1 auto; min-height: 0; align-items: stretch; }
  #vista-venta .form-agregar { min-height: 0; }
  #vista-venta #venta-modo-wrap,
  #vista-venta #btn-agregar-item { flex-shrink: 0; }
  #vista-venta .carrito-wrap { min-height: 0; }
  #vista-venta .carrito-wrap .tabla-scroll { flex: 1 1 auto; overflow-y: auto; min-height: 60px; }
  #vista-venta .carrito-footer { flex-shrink: 0; }
}
.form-agregar { display: flex; flex-direction: column; gap: 0.5rem; }

/* Lista de productos para elegir en Nueva venta: filas grandes y claras
   en vez del <select> nativo chico de antes. El nombre siempre va en su
   propia línea (nunca compite por espacio con el precio, que puede ser
   largo con varias modalidades), así nunca queda tapado o recortado. */
.venta-lista-productos.lista-checks { max-height: none; }
.venta-lista-productos { flex: 1 1 auto; min-height: 110px; }
.venta-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.8rem 0.9rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.venta-item + .venta-item { border-top: 1px solid var(--border); }
.venta-item:hover { background: var(--bg); }
.venta-item.activo { background: var(--primary-soft); border-left-color: var(--primary); }
.venta-item-nombre {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  overflow-wrap: break-word;
}
.venta-item-sub {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.4rem 0.7rem;
}
.venta-item-meta { font-size: 0.8rem; color: var(--text-soft); }
.venta-item-precio {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--primary-soft);
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
}
.venta-item.activo .venta-item-precio { background: var(--card); }
#venta-modo-wrap { border-top: 1px solid var(--border); padding-top: 0.6rem; margin-top: 0.2rem; }
.form-agregar label {
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-soft);
  margin-top: 0.5rem;
}
.form-agregar input, .form-agregar select,
.form-producto input, .form-producto select {
  font-family: var(--font-body);
  padding: 0.55rem 0.65rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  width: 100%;
}
.ayuda { font-size: 0.8rem; color: var(--text-soft); min-height: 1.1rem; margin: 0.3rem 0 0; }

.toggle-unidad { display: flex; gap: 0.4rem; margin-top: 0.3rem; flex-wrap: wrap; }
.toggle-opcion {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  background: var(--bg);
  border: 1.5px solid var(--border);
  color: var(--text-soft);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.toggle-opcion:hover:not(.activo):not(:disabled) { border-color: var(--primary); color: var(--primary-dark); }
.toggle-opcion.activo { background: var(--primary); border-color: var(--primary); color: #fff; }
.toggle-opcion:disabled { opacity: 0.4; cursor: not-allowed; }

/* Checkbox estilizado como "pill" (selección múltiple visualmente
   consistente con los toggles de opción única) */
.chk-pill-input { position: absolute; opacity: 0; width: 0; height: 0; }
.chk-pill {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  background: var(--bg);
  border: 1.5px solid var(--border);
  color: var(--text-soft);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.chk-pill:hover { border-color: var(--primary); color: var(--primary-dark); }
.chk-pill-input:checked + .chk-pill { background: var(--primary); border-color: var(--primary); color: #fff; }
.chk-pill-input:focus-visible + .chk-pill { box-shadow: 0 0 0 3px rgba(77, 141, 63, 0.25); }
.grupo-chk-pill { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-top: 0.4rem; }

/* Sección numerada ("paso a paso") dentro de una tarjeta */
.paso { margin-top: 1.3rem; }
.paso:first-child { margin-top: 0; }
.paso-titulo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.paso-numero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
}
.paso-separador { border: none; border-top: 1px solid var(--border); margin: 1.3rem 0; }

/* AJUSTES */
.ajustes-card { max-width: 640px; }
.ajustes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.ajustes-grid > div { display: flex; flex-direction: column; gap: 0.35rem; }
@media (max-width: 640px) { .ajustes-grid { grid-template-columns: 1fr; } }

.carrito-wrap { display: flex; flex-direction: column; }
.carrito-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1rem 0;
}
.forma-pago-grupo label {
  display: block;
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-soft);
  margin-bottom: 0.3rem;
}
.carrito-total {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-left: auto;
}

/* MODAL */
.modal {
  position: fixed; inset: 0;
  background: rgba(32, 40, 33, 0.45);
  display: flex; align-items: center; justify-content: center;
  z-index: 50;
  padding: 1rem;
}
.modal-contenido {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  padding: 1.6rem;
  width: min(520px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}
.modal-contenido h2 {
  font-family: var(--font-display);
  margin-top: 0;
}
.modal-cerrar {
  position: absolute; top: 0.8rem; right: 1rem;
  background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text-soft);
}

/* MODAL DE CONFIRMACIÓN (reemplaza confirm() nativo) */
.modal-chico { width: min(400px, 100%); text-align: center; z-index: 60; }
.mc-mensaje { color: var(--text-soft); font-size: 0.92rem; line-height: 1.45; margin: 0.4rem 0 1.4rem; }
.mc-botones { display: flex; gap: 0.7rem; justify-content: center; }
.mc-botones button { flex: 1; }
.btn-peligro { background: var(--danger) !important; }
.btn-peligro:hover { background: #a83a2d !important; }

/* MODAL DE VENTA REGISTRADA */
.venta-exito h2 { text-align: center; }
.venta-exito-icono {
  width: 56px;
  height: 56px;
  margin: 0 auto 0.8rem;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
}
.venta-exito-numero { text-align: center; color: var(--text-soft); font-size: 0.85rem; margin: -0.4rem 0 1.1rem; }
.venta-exito-totales {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
  margin-bottom: 1.4rem;
}
.venta-exito-item {
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.venta-exito-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--text-soft); }
.venta-exito-valor { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; }
.venta-exito-ganancia { color: var(--primary-dark); }
.venta-exito-botones { display: flex; flex-direction: column; gap: 0.5rem; }

/* MODAL DE CARGA GRANDE (ej: aplicar cambios de precio) */
.carga-grande { text-align: center; padding: 2.2rem 1.8rem; }
.carga-grande h2 { text-align: center; }
.carga-spinner-grande {
  width: 54px;
  height: 54px;
  margin: 0 auto 1.2rem;
  border: 4px solid var(--primary-soft);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: girar 0.7s linear infinite;
}
.carga-grande-texto {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 0.3rem;
}
.form-producto { display: flex; flex-direction: column; gap: 0.35rem; }
.form-producto label {
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-soft);
  margin-top: 0.6rem;
}
.chk-inline {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem !important;
  text-transform: none !important;
  color: var(--text) !important;
  font-weight: 600 !important;
  margin-top: 0.9rem !important;
}
.chk-inline input { width: auto; }
.bloque-modalidad {
  border-top: 1px dashed var(--border);
  padding-top: 0.6rem;
  margin-top: 0.6rem;
}
.campos-modalidad { margin-top: 0.4rem; }
.fila-costo-margen {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}
.fila-costo-margen label { margin-top: 0; }
.mensaje { font-size: 0.85rem; min-height: 1.2rem; margin: 0.6rem 0 0; }
.mensaje.error { color: var(--danger); }
.mensaje.ok { color: var(--primary-dark); }

.form-categoria { display: flex; gap: 0.6rem; }
.form-categoria input { flex: 1; }

/* INPUTS CON ÍCONO/PREFIJO */
.input-icono { position: relative; }
.input-icono input { width: 100%; }
.input-icono-barras input, .input-icono-buscar input { padding-left: 2.1rem; }
.input-icono-barras::before, .input-icono-buscar::before {
  content: '';
  position: absolute;
  left: 0.65rem;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  opacity: 0.55;
}
.input-icono-buscar::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23202821' stroke-width='2.5'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
}
.input-icono-barras::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23202821' stroke-width='2'%3E%3Crect x='3' y='4' width='18' height='16' rx='1'/%3E%3Cline x1='7' y1='7' x2='7' y2='17'/%3E%3Cline x1='10' y1='7' x2='10' y2='17'/%3E%3Cline x1='13.5' y1='7' x2='13.5' y2='17'/%3E%3Cline x1='17' y1='7' x2='17' y2='17'/%3E%3C/svg%3E");
}
.input-money input { padding-left: 1.5rem; }
.input-money::before {
  content: '$';
  position: absolute;
  left: 0.65rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-soft);
  font-weight: 600;
  pointer-events: none;
}
.input-percent input { padding-right: 1.7rem; }
.input-percent::after {
  content: '%';
  position: absolute;
  right: 0.65rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-soft);
  font-weight: 600;
  pointer-events: none;
}

/* ESTADÍSTICAS */
.filtro-fechas { display: flex; gap: 1rem; flex-wrap: wrap; margin: 0.8rem 0; }
.filtro-fechas > div { display: flex; flex-direction: column; gap: 0.3rem; }
.filtro-fechas label {
  font-size: 0.76rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.03em; color: var(--text-soft);
}
.filtro-acciones { display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap; margin-top: 0.6rem; }

/* ACTUALIZAR PRECIOS */
.input-percent-chico { width: 100px; }
.precios-buscar-label {
  display: block;
  font-size: 0.76rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.03em; color: var(--text-soft);
  margin-bottom: 0.3rem;
}
.ap-producto-nombre { font-weight: 600; font-size: 1.05rem; margin: -0.2rem 0 0.9rem; }
.ap-subtitulo { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text-soft); text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 0.3rem; }

.grafico-barras {
  display: flex;
  align-items: flex-end;
  gap: 0.4rem;
  height: 160px;
  padding-top: 1rem;
  border-bottom: 1.5px solid var(--border);
  overflow-x: auto;
}
.grafico-barra-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  min-width: 28px;
  height: 100%;
  gap: 0.3rem;
}
.grafico-barra {
  width: 20px;
  background: var(--accent);
  border-radius: 4px 4px 0 0;
  min-height: 2px;
}
.grafico-barra-valor { font-size: 0.65rem; color: var(--text-soft); white-space: nowrap; }
.grafico-barra-fecha { font-size: 0.65rem; color: var(--text-soft); margin-top: 0.3rem; white-space: nowrap; }
.grafico-vacio { color: var(--text-soft); font-style: italic; font-size: 0.85rem; }

/* SELECTOR DE PRODUCTOS (selección múltiple, tarjetas grandes) */
.selector-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0.5rem 0 0.4rem;
  font-size: 0.82rem;
  color: var(--text-soft);
}
.selector-header strong { color: var(--primary-dark); }
.selector-header button {
  background: none;
  border: none;
  color: var(--text-soft);
  font-size: 0.78rem;
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
}
.selector-header button:hover { color: var(--danger); }

.lista-checks {
  max-height: 340px;
  overflow-y: auto;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 0.35rem;
}

/* ETIQUETAS DE PRECIO */
.etiquetas-layout { display: grid; grid-template-columns: 1fr 240px; gap: 1.6rem; align-items: start; }
.etiquetas-preview-col {
  display: flex; flex-direction: column; align-items: center; gap: 0.7rem;
  position: sticky; top: 1rem;
}
.etiquetas-preview-caption {
  font-size: 0.76rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.03em; color: var(--text-soft); text-align: center;
}
.etiqueta-preview {
  width: 200px;
  aspect-ratio: 177 / 72;
  border: 2px dashed var(--border);
  border-radius: 8px;
  background: var(--card);
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 0.6rem 0.5rem;
  gap: 0.2rem;
}
.etiqueta-preview-comercio {
  font-size: 0.6rem; color: var(--text-soft); text-transform: uppercase;
  letter-spacing: 0.02em; align-self: flex-start;
}
.etiqueta-preview-nombre { font-size: 0.78rem; font-weight: 700; color: var(--text); text-align: center; }
.etiqueta-preview-precio { font-size: 1.6rem; font-weight: 800; color: var(--primary-dark); font-family: var(--font-display); }
.etiqueta-preview-modo { font-size: 0.66rem; color: var(--text-soft); }
@media (max-width: 800px) {
  .etiquetas-layout { grid-template-columns: 1fr; }
  .etiquetas-preview-col { position: static; }
}

.item-seleccionable {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.7rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s;
}
.item-seleccionable:hover { background: var(--bg); }
.item-seleccionable.seleccionado { background: var(--primary-soft); }
.item-seleccionable input[type="checkbox"] { position: absolute; opacity: 0; width: 0; height: 0; }
.item-seleccionable-check {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border-radius: 7px;
  border: 2px solid var(--border);
  background: var(--card);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s;
}
.item-seleccionable-check::after {
  content: '';
  width: 6px;
  height: 11px;
  border: solid #fff;
  border-width: 0 2.5px 2.5px 0;
  transform: rotate(45deg) scale(0);
  transition: transform 0.12s;
  margin-top: -2px;
}
.item-seleccionable.seleccionado .item-seleccionable-check { background: var(--primary); border-color: var(--primary); }
.item-seleccionable.seleccionado .item-seleccionable-check::after { transform: rotate(45deg) scale(1); }
.item-seleccionable-info { display: flex; flex-direction: column; gap: 0.15rem; min-width: 0; }
.item-seleccionable-nombre {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.item-seleccionable-categoria { font-size: 0.76rem; color: var(--text-soft); }

/* TICKET DE IMPRESIÓN (80mm) */
#ticket-imprimir {
  display: none;
  width: 72mm;
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: #000;
  line-height: 1.4;
}
.ticket-centro { text-align: center; }
.ticket-nombre { font-weight: 700; font-size: 13px; text-transform: uppercase; }
.ticket-sep { border-top: 1px dashed #000; margin: 6px 0; }
.ticket-tabla { width: 100%; border-collapse: collapse; font-size: 10.5px; }
.ticket-tabla th { text-align: left; border-bottom: 1px dashed #000; padding-bottom: 2px; }
.ticket-tabla td { padding: 2px 0; vertical-align: top; }
.ticket-tabla th:last-child, .ticket-tabla td:last-child { text-align: right; }
.ticket-total { font-weight: 700; font-size: 13px; }

@media print {
  body * { visibility: hidden; }
  #ticket-imprimir, #ticket-imprimir * { visibility: visible; }
  #ticket-imprimir {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
  }
}
@page { size: 80mm auto; margin: 3mm; }

@media (max-width: 760px) {
  .panel-venta { grid-template-columns: 1fr; }
  main { padding: 1.2rem 1rem 3rem; }
  .fila-costo-margen { grid-template-columns: 1fr; }
  .venta-lista-productos.lista-checks { max-height: 45vh; }

  /* Header: logo + hamburguesa en una fila; tabs y sesión se ocultan
     detrás del botón hasta que se abre el menú. */
  .topbar { flex-wrap: nowrap; justify-content: space-between; position: relative; }
  .btn-menu-movil { display: flex; }

  .menu-movil-panel {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0.2rem;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 28px rgba(32, 40, 33, 0.15);
    padding: 0.7rem 1rem 1rem;
    z-index: 21;
    max-height: calc(100vh - 100%);
    overflow-y: auto;
  }
  #topbar.menu-abierto .menu-movil-panel { display: flex; }

  .menu-movil-panel .tabs { flex-direction: column; gap: 0.2rem; }
  .menu-movil-panel .tab {
    width: 100%;
    text-align: left;
    border-radius: var(--radius-sm);
    padding: 0.8rem 0.9rem;
  }

  .menu-movil-panel .menu-cuenta {
    border-top: 1px solid var(--border);
    margin-top: 0.5rem;
    padding-top: 0.8rem;
  }
  .menu-movil-panel .menu-cuenta-btn { width: 100%; justify-content: space-between; border: none; padding: 0.4rem 0.2rem; }
}