:root {
  --bg: #f6f2ec;
  --bg-soft: #eee7de;
  --surface: #ffffff;
  --surface-2: #fffaf4;
  --surface-3: #f8efe3;
  --text: #35271d;
  --text-soft: #6d5b47;
  --title: #5a3218;
  --line: #e6d5bf;
  --line-strong: #d8bea0;

  --primary: #6d4c41;
  --primary-2: #4e342e;
  --primary-soft: #8d6e63;

  --gold: #b4873a;
  --gold-2: #8c6729;

  --green: #2f8f4e;
  --green-2: #236d3b;

  --danger: #c65a43;
  --danger-2: #9f3c2a;

  --header-bg: #121416;
  --header-bg-2: #1b1f24;
  --header-text: #f2d18b;
  --header-subtext: #d8c6a2;
  --header-pill: rgba(255, 255, 255, 0.06);
  --header-pill-line: rgba(212, 175, 55, 0.18);
  --header-btn-1: #e3c57e;
  --header-btn-2: #c89a34;
  --header-btn-text: #1d1b17;

  --shadow-sm: 0 8px 18px rgba(61, 42, 30, 0.08);
  --shadow-md: 0 14px 30px rgba(61, 42, 30, 0.12);
  --shadow-lg: 0 20px 45px rgba(0, 0, 0, 0.22);

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 22px;

  --mobile-tab-h: 74px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  min-height: 100vh;
}

body.modal-abierto {
  overscroll-behavior: none;
}

img {
  max-width: 100%;
  display: block;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: none;
  cursor: pointer;
}

textarea {
  resize: vertical;
}

/* ===== UTILIDADES ===== */

.oculto {
  display: none !important;
}

.sin-imagen {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(180deg, #f3e7d8 0%, #eadac6 100%);
  color: #7b6551;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  padding: 10px;
}

.subtitulo-resultados {
  margin: 4px 0 0;
  color: var(--text-soft);
  font-size: 14px;
}

.preview-imagen {
  margin-top: 10px;
}

.preview-img {
  width: 110px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

/* ===== HEADER ===== */

.franja-superior {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 14px 22px;
  background: linear-gradient(135deg, var(--header-bg) 0%, var(--header-bg-2) 100%);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.16);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
}

.encabezado-marca {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  flex: 1;
}

.logo-sistema {
  width: 62px;
  height: 62px;
  object-fit: contain;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  padding: 5px;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.25);
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.titulo-marca {
  min-width: 0;
}

.titulo-marca h1 {
  margin: 0;
  font-size: 24px;
  line-height: 1.05;
  color: var(--header-text);
  font-weight: 800;
  letter-spacing: 0.2px;
}

.titulo-marca p {
  margin: 5px 0 0;
  color: var(--header-subtext);
  font-size: 13px;
  line-height: 1.2;
}

.franja-usuario {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: nowrap;
  justify-content: flex-end;
  flex-shrink: 0;
}

.nombre-usuario {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 13px;
  border-radius: 999px;
  background: var(--header-pill);
  border: 1px solid var(--header-pill-line);
  color: var(--header-text);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.btn-logout {
  min-height: 40px;
  padding: 9px 14px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--header-btn-1), var(--header-btn-2));
  color: var(--header-btn-text);
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
  transition: transform 0.15s ease, filter 0.15s ease;
}

.btn-logout:hover {
  transform: translateY(-1px);
  filter: brightness(1.02);
}

/* ===== TABS ===== */

.tabs-app {
  display: flex;
  gap: 12px;
  padding: 18px 22px 0;
}

.tab-btn {
  flex: 1;
  min-height: 56px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(180, 135, 58, 0.16);
  color: #614b38;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 800;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.tab-btn:hover {
  transform: translateY(-1px);
}

.tab-btn.activa {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff8ef;
  box-shadow: 0 12px 24px rgba(78, 52, 46, 0.22);
}

.tab-icono {
  font-size: 16px;
  line-height: 1;
}

.tab-texto {
  line-height: 1;
}

/* ===== LAYOUT GENERAL ===== */

.vista-app {
  padding: 18px 22px 22px;
}

.barra-acciones {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

#busqueda {
  flex: 0 1 760px;
  width: min(100%, 760px);
  max-width: 760px;
  min-height: 48px;
  padding: 0 16px;
  border-radius: 15px;
  border: 1px solid var(--line-strong);
  background: #fffdfa;
  color: var(--text);
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
  font-size: 15px;
}

#busqueda:focus,
.modal-contenido input:focus,
.modal-contenido textarea:focus,
.modal-contenido select:focus {
  border-color: var(--primary-soft);
  box-shadow: 0 0 0 3px rgba(141, 110, 99, 0.14);
}

.btn-principal,
.btn-secundario,
.btn-ver-mas,
.btn-archivo,
#btn-agregar-presentacion,
.btn-editar,
.btn-detalle,
.btn-reactivar,
.btn-desactivar-producto,
.btn-desactivar-presentacion {
  min-height: 42px;
  padding: 9px 14px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 800;
}

.btn-principal {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff8ef;
  box-shadow: var(--shadow-sm);
}

.btn-secundario,
.btn-ver-mas,
#btn-cancelar,
#btn-cancelar-nuevo,
#btn-cancelar-usuario,
#btn-cerrar-detalle,
#btn-cerrar-desactivados,
#btn-cancelar-confirmar-pago {
  background: linear-gradient(135deg, #ead9c5, #d8c0a0);
  color: #4f3a2a;
  box-shadow: var(--shadow-sm);
}

.btn-nuevo-producto {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-ver-desactivados {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.icono-suma,
.icono-archivo {
  font-size: 16px;
  line-height: 1;
}

.resultados-encabezado {
  margin-bottom: 14px;
}

.resultados-encabezado h2,
.panel-modulo-header h2 {
  margin: 0;
  color: var(--title);
  font-size: 24px;
  line-height: 1.1;
}

.panel-modulo {
  background: rgba(255, 255, 255, 0.52);
  border: 1px solid rgba(164, 132, 102, 0.14);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.panel-modulo-header {
  padding: 20px 20px 10px;
}

.panel-modulo-header p {
  margin: 6px 0 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.35;
}

.panel-modulo-body {
  padding: 0 20px 20px;
}

.contenedor-ver-mas {
  display: flex;
  justify-content: center;
  margin-top: 16px;
}

/* ===== NOTIFICACIONES ===== */

.notificaciones {
  position: fixed;
  top: 90px;
  right: 18px;
  z-index: 2500;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.notificacion {
  min-width: 220px;
  max-width: 320px;
  padding: 12px 14px;
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.notificacion.ocultar {
  opacity: 0;
  transform: translateY(-8px);
}

.notificacion.exito {
  background: linear-gradient(135deg, #2f8f4e, #236d3b);
}

.notificacion.error {
  background: linear-gradient(135deg, #c65a43, #9f3c2a);
}

.notificacion.aviso {
  background: linear-gradient(135deg, #8d6e63, #6d4c41);
}

/* ===== INVENTARIO ===== */

#resultados {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap: 16px;
}

.card {
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  align-items: start;
}

.card-imagen {
  width: 88px;
}

.producto-img {
  width: 88px;
  height: 88px;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fffdf8;
  box-shadow: var(--shadow-sm);
}

.imagen-clickable {
  cursor: pointer;
}

.card-info {
  min-width: 0;
}

.card-info h3 {
  margin: 0 0 8px;
  color: var(--title);
  font-size: 18px;
  line-height: 1.1;
  word-break: break-word;
}

.card-info p {
  margin: 0 0 6px;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.28;
}

.precios {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.precio-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #fffdf9;
  border: 1px solid #ebdcc8;
}

.precio-item .tipo {
  color: #5a4637;
  font-size: 13px;
  font-weight: 700;
}

.precio-item .valor {
  color: var(--title);
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.card-acciones {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.btn-editar,
#btn-guardar,
#btn-crear,
#btn-guardar-usuario,
#btn-confirmar-pago {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff8ef;
}

.btn-detalle,
.btn-reactivar {
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: #fffaf2;
}

/* ===== PAGOS ===== */

.barra-pagos,
.barra-usuarios {
  margin-bottom: 14px;
}

.pagos-lista {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pago-card {
  background: linear-gradient(180deg, #fffaf3 0%, #f8efe3 100%);
  border: 1px solid #e2cfb0;
  border-radius: 14px;
  padding: 10px 14px;
  box-shadow: 0 6px 14px rgba(50, 35, 20, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.pago-card .card-info {
  flex: 1;
  min-width: 0;
}

.pago-card .card-info h3 {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.05;
  color: var(--title);
}

.pago-card .card-info p {
  margin: 0 0 4px;
  font-size: 12px;
  line-height: 1.2;
  color: var(--text-soft);
}

.pago-card .card-acciones {
  margin-top: 0;
  flex-shrink: 0;
  align-items: center;
  justify-content: flex-end;
}

.pago-card .btn-editar {
  min-height: 34px;
  padding: 7px 12px;
  border-radius: 9px;
  font-size: 11px;
}

.estado-pill {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  margin-top: 4px;
}

.estado-pill.activo {
  background: #e7f7ec;
  color: #1f7a3f;
  border: 1px solid #b8e3c4;
}

.estado-pill.inactivo {
  background: #fff4df;
  color: #9a6a13;
  border: 1px solid #ecd19a;
}

/* ===== USUARIOS ===== */

.usuarios-lista {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.usuario-card {
  background: linear-gradient(180deg, #fffaf4 0%, #f7eee2 100%);
  border: 1px solid #e3d1bb;
  border-radius: 18px;
  padding: 14px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.usuario-card .card-info h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.1;
  color: var(--title);
}

.usuario-card .card-info p {
  margin: 0 0 6px;
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.25;
}

.usuario-card .card-acciones {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.usuario-card .btn-editar,
.usuario-card .btn-detalle {
  flex: 1;
  min-width: 110px;
  min-height: 38px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 800;
}

.usuario-card .btn-editar {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff8f0;
}

.usuario-card .btn-detalle {
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: #fffaf2;
}

.usuario-card .estado-pill {
  margin-top: 2px;
}

.usuario-card .estado-pill.inactivo {
  background: #fff0f0;
  color: #b23a3a;
  border: 1px solid #efc0c0;
}

.barra-usuarios .btn-principal {
  background: linear-gradient(135deg, var(--green), var(--green-2));
  color: #fff;
}

/* ===== MODALES ===== */

.modal {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 14px;
  background: rgba(20, 14, 10, 0.52);
  backdrop-filter: blur(5px);
}

.modal-contenido {
  width: min(100%, 560px);
  max-height: 88vh;
  overflow-y: auto;
  background: linear-gradient(180deg, #fffaf4 0%, #f7eee2 100%);
  border: 1px solid rgba(220, 194, 162, 0.9);
  border-radius: 20px;
  padding: 18px 16px;
  box-shadow: var(--shadow-lg);
}

.modal-grande {
  width: min(100%, 760px);
}

.modal-contenido h2 {
  margin-top: 0;
  margin-bottom: 14px;
  font-size: 22px;
  color: var(--title);
}

.modal-contenido h3 {
  color: var(--title);
}

.modal-contenido label {
  display: block;
  margin: 10px 0 6px;
  font-size: 13px;
  font-weight: 800;
  color: #5b4330;
}

.modal-contenido input,
.modal-contenido textarea,
.modal-contenido select {
  width: 100%;
  border: 1px solid #d9c4a4;
  border-radius: 12px;
  min-height: 42px;
  padding: 10px 12px;
  font-size: 14px;
  background: #fffdfa;
  color: #2e241a;
  outline: none;
}

.modal-contenido textarea {
  min-height: 96px;
}

.modal-botones {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.modal-botones button {
  flex: 1;
  min-width: 120px;
  min-height: 42px;
  border-radius: 11px;
  font-size: 13px;
  font-weight: 800;
}

.fila-imagen-botones {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-archivo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-archivo.azul {
  background: linear-gradient(135deg, #5d8fd6, #416daf);
  color: #fff;
}

.btn-archivo.verde {
  background: linear-gradient(135deg, var(--green), var(--green-2));
  color: #fff;
}

.presentaciones-header {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.presentaciones-header h3,
.subtitulo-presentacion {
  margin: 0;
}

#btn-agregar-presentacion {
  background: linear-gradient(135deg, var(--green), var(--green-2));
  color: #fff;
}

.fila-presentacion {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 8px;
  align-items: end;
  margin-top: 10px;
}

.fila-presentacion-campos {
  display: grid;
  grid-template-columns: 1fr 110px;
  gap: 8px;
  align-items: end;
  width: 100%;
}

.fila-presentacion-editable {
  grid-template-columns: 1fr auto;
}

.fila-presentacion.nueva {
  grid-template-columns: 1fr 120px auto;
}

.btn-eliminar-fila,
.btn-desactivar-presentacion,
.btn-desactivar-producto {
  min-height: 40px;
  padding: 8px 12px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--danger), var(--danger-2));
  color: #fff8f2;
  font-size: 12px;
  font-weight: 800;
}

.acciones-peligrosas {
  margin-top: 14px;
}

.separador-presentaciones {
  height: 1px;
  margin: 16px 0;
  background: linear-gradient(90deg, transparent, #dcc2a2, transparent);
}

.item-desactivado {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  margin-top: 8px;
  border-radius: 12px;
  border: 1px solid #e3d1bb;
  background: #fffdf9;
}

.item-desactivado strong {
  color: var(--title);
}

.detalle-producto-bloque {
  border: 1px solid #e6d5c2;
  background: #fffdf9;
  border-radius: 14px;
  padding: 14px;
}

.detalle-texto-producto {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.45;
}

.modal-imagen-contenido {
  width: min(100%, 900px);
  background: rgba(18, 14, 11, 0.96);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 14px;
  position: relative;
}

.btn-cerrar-imagen {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: none;
  background: rgba(255,255,255,0.12);
  color: white;
  font-size: 24px;
  font-weight: bold;
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
}

.imagen-ampliada {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  border-radius: 14px;
}

.modal-confirmacion {
  width: min(100%, 380px);
  max-height: none;
  text-align: center;
  padding: 20px 16px;
}

.modal-confirmacion h2 {
  margin-bottom: 10px;
}

.texto-confirmacion {
  margin: 0;
  font-size: 14px;
  color: var(--text-soft);
}

/* ===== BOTÓN FLOTANTE ===== */

.btn-recargar-flotante {
  position: fixed;
  right: 18px;
  bottom: 20px;
  z-index: 2200;
  width: 54px;
  height: 54px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff8ef;
  font-size: 24px;
  font-weight: 800;
  box-shadow: 0 14px 26px rgba(78, 52, 46, 0.24);
}

.btn-recargar-flotante:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* ===== RESPONSIVE ===== */

@media (min-width: 1200px) {
  #busqueda {
    flex-basis: 680px;
    max-width: 680px;
  }
}

@media (min-width: 769px) {
  .panel-modulo-body {
    max-width: 100%;
  }
}

@media (max-width: 900px) {
  .franja-superior {
    padding: 12px 16px;
    gap: 12px;
  }

  .logo-sistema {
    width: 54px;
    height: 54px;
  }

  .titulo-marca h1 {
    font-size: 21px;
  }

  .franja-usuario {
    gap: 8px;
  }

  .nombre-usuario,
  .btn-logout {
    font-size: 12px;
  }

  .tabs-app {
    padding: 14px 16px 0;
  }

  .vista-app {
    padding: 16px;
  }

  #busqueda {
    flex: 1 1 100%;
    max-width: 100%;
    width: 100%;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: calc(var(--mobile-tab-h) + 18px);
  }

  .franja-superior {
    padding: 10px 12px;
    gap: 10px;
    align-items: center;
  }

  .encabezado-marca {
    gap: 10px;
    flex: 1;
    min-width: 0;
  }

  .logo-sistema {
    width: 44px;
    height: 44px;
    border-radius: 12px;
  }

  .titulo-marca h1 {
    font-size: 18px;
    line-height: 1.08;
  }

  .titulo-marca p {
    display: none;
  }

  .franja-usuario {
    width: auto;
    gap: 6px;
    margin-left: auto;
    justify-content: flex-end;
  }

  .nombre-usuario {
    min-height: 32px;
    padding: 6px 10px;
    font-size: 11px;
    max-width: 96px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .btn-logout {
    min-height: 32px;
    padding: 6px 10px;
    font-size: 11px;
    border-radius: 10px;
  }

  .tabs-bottom-mobile {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1800;
    padding: 10px 12px calc(env(safe-area-inset-bottom, 0px) + 10px);
    background: rgba(255, 248, 239, 0.96);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(164, 132, 102, 0.18);
  }

  .tab-btn {
    min-height: 54px;
    border-radius: 14px;
    font-size: 13px;
  }

  .vista-app {
    padding: 14px;
  }

  .barra-acciones {
    gap: 8px;
  }

  #busqueda {
    min-height: 44px;
    font-size: 14px;
  }

  .btn-principal,
  .btn-secundario {
    min-height: 40px;
    padding: 8px 12px;
    font-size: 12px;
  }

  #resultados {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .card {
    padding: 10px;
    border-radius: 16px;
  }

  .card-header {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .card-imagen,
  .producto-img {
    width: 100%;
  }

  .producto-img,
  .sin-imagen {
    aspect-ratio: 1 / 1;
    height: auto;
  }

  .card-info h3 {
    font-size: 16px;
  }

  .card-info p,
  .precio-item .tipo,
  .precio-item .valor {
    font-size: 12px;
  }

  .precio-item {
    padding: 8px 10px;
  }

  .pagos-lista {
    gap: 8px;
  }

  .pago-card {
    padding: 9px 10px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .pago-card .card-info h3 {
    font-size: 16px;
  }

  .pago-card .card-info p {
    font-size: 11px;
  }

  .pago-card .card-acciones {
    justify-content: flex-start;
  }

  .pago-card .btn-editar {
    min-height: 32px;
    padding: 6px 10px;
    font-size: 10.5px;
  }

  .usuarios-lista {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .usuario-card {
    padding: 12px;
    border-radius: 16px;
    gap: 10px;
  }

  .usuario-card .card-info h3 {
    font-size: 16px;
  }

  .usuario-card .card-info p {
    font-size: 12px;
  }

  .modal {
    padding: 12px;
    align-items: flex-end;
  }

  .modal-contenido,
  .modal-grande {
    width: 100%;
    max-height: 88vh;
    border-radius: 18px 18px 0 0;
    padding: 16px 14px;
  }

  .modal-contenido h2 {
    font-size: 20px;
  }

  .modal-botones button {
    min-width: 100px;
  }

  .fila-presentacion,
  .fila-presentacion-editable,
  .fila-presentacion.nueva,
  .fila-presentacion-campos {
    grid-template-columns: 1fr;
  }

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

  .btn-recargar-flotante {
    right: 14px;
    bottom: calc(var(--mobile-tab-h) + 14px);
    width: 50px;
    height: 50px;
    font-size: 22px;
  }

  .notificaciones {
    top: 76px;
    left: 14px;
    right: 14px;
  }

  .notificacion {
    max-width: none;
  }
}

@media (max-width: 520px) {
  .franja-superior {
    padding: 9px 10px;
    gap: 8px;
  }

  .logo-sistema {
    width: 40px;
    height: 40px;
  }

  .titulo-marca h1 {
    font-size: 16px;
  }

  #resultados {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tab-texto {
    font-size: 12px;
  }

  .nombre-usuario {
    max-width: 84px;
    padding: 5px 8px;
  }

  .btn-logout {
    padding: 5px 8px;
  }
}

/* ===== AJUSTES MÓVIL MÁS COMPACTOS ===== */
@media (max-width: 768px) {
  .franja-superior {
    padding: 8px 10px;
    gap: 8px;
    align-items: center;
  }

  .encabezado-marca {
    gap: 10px;
    min-width: 0;
    flex: 1;
  }

  .logo-sistema {
    width: 56px;
    height: 56px;
    padding: 0;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
  }

  .titulo-marca h1 {
    font-size: 22px;
    line-height: 1.02;
  }

  .titulo-marca p {
    display: none;
  }

  .franja-usuario {
    gap: 6px;
    flex-shrink: 0;
  }

  .nombre-usuario {
    min-height: 30px;
    padding: 5px 8px;
    font-size: 11px;
    max-width: 82px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .btn-logout {
    min-height: 30px;
    padding: 5px 9px;
    font-size: 11px;
    border-radius: 10px;
  }

  .vista-app {
    padding: 10px;
  }

  .barra-acciones {
    gap: 8px;
    margin-bottom: 10px;
  }

  #busqueda {
    min-height: 40px;
    font-size: 14px;
  }

  #resultados {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .card {
    padding: 9px;
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    height: 100%;
  }

  .card-header {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .card-imagen {
    width: 100%;
  }

  .producto-img,
  .sin-imagen {
    width: 100%;
    aspect-ratio: 1 / 1;
    max-height: 104px;
    object-fit: cover;
    border-radius: 12px;
  }

  .card-info h3 {
    font-size: 13px;
    line-height: 1.15;
    margin-bottom: 5px;
  }

  .card-info p {
    font-size: 11px;
    margin-bottom: 4px;
  }

  .precios {
    gap: 5px;
    margin-top: 6px;
  }

  .precio-item {
    padding: 5px 8px;
    border-radius: 10px;
    gap: 6px;
    min-height: 0;
  }

  .precio-item .tipo,
  .precio-item .valor {
    font-size: 11px;
    line-height: 1.1;
  }

  .card-acciones {
    margin-top: auto;
    padding-top: 8px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    flex-wrap: nowrap;
  }

  .card-acciones .btn-editar,
  .card-acciones .btn-detalle {
    width: 100%;
    min-height: 34px;
    padding: 6px 8px;
    font-size: 11px;
    border-radius: 10px;
  }

  .btn-recargar-flotante {
    width: 48px;
    height: 48px;
    font-size: 20px;
    right: 12px;
  }
}

@media (max-width: 420px) {
  .logo-sistema {
    width: 52px;
    height: 52px;
  }

  .titulo-marca h1 {
    font-size: 20px;
  }

  .nombre-usuario {
    max-width: 72px;
  }

  .producto-img,
  .sin-imagen {
    max-height: 92px;
  }

  .card-info h3 {
    font-size: 12px;
  }

  .precio-item .tipo,
  .precio-item .valor {
    font-size: 10.5px;
  }
}

/* ===== AJUSTES ESCRITORIO + MODAL IMAGEN + CARDS ORDENADAS ===== */

/* cards alineadas */
#resultados {
  align-items: stretch;
}

.card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card-acciones {
  margin-top: auto;
  padding-top: 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.card-acciones .btn-editar,
.card-acciones .btn-detalle {
  width: 100%;
  justify-content: center;
}

/* escritorio: buscador menos ancho */
@media (min-width: 1024px) {
  .barra-acciones {
    gap: 12px;
    align-items: center;
  }

  #busqueda {
    flex: 0 1 520px;
    width: 520px;
    max-width: 520px;
    min-height: 44px;
  }

  #resultados {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
  }

  .card {
    padding: 12px;
  }

  .card-header {
    grid-template-columns: 76px 1fr;
    gap: 10px;
    align-items: start;
  }

  .card-imagen {
    width: 76px;
  }

  .producto-img {
    width: 76px;
    height: 76px;
    border-radius: 12px;
  }

  .card-info h3 {
    font-size: 17px;
    line-height: 1.12;
    margin-bottom: 6px;
  }

  .card-info p {
    font-size: 12px;
    margin-bottom: 4px;
  }

  .precios {
    gap: 6px;
    margin-top: 10px;
  }

  .precio-item {
    padding: 7px 10px;
    border-radius: 10px;
  }

  .precio-item .tipo,
  .precio-item .valor {
    font-size: 12px;
    line-height: 1.1;
  }
}

/* modal imagen siempre centrado */
#modal-imagen {
  align-items: center !important;
  justify-content: center !important;
  padding: 18px !important;
  background: rgba(10, 10, 12, 0.78);
}

/* caja de imagen mejor centrada */
.modal-imagen-contenido {
  width: min(100%, 980px);
  max-height: 92vh;
  margin: 0 auto;
  padding: 52px 14px 14px;
  border-radius: 18px;
  background: rgba(14, 14, 16, 0.97);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.4);
}

/* botón cerrar visible */
.btn-cerrar-imagen {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.72);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.35);
  font-size: 28px;
  line-height: 1;
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 3;
}

.btn-cerrar-imagen:hover {
  background: rgba(0, 0, 0, 0.88);
}

/* imagen ampliada bien centrada */
.imagen-ampliada {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  margin: 0 auto;
  display: block;
}

/* móvil compacto extra */
@media (max-width: 768px) {
  #modal-imagen {
    align-items: center !important;
    justify-content: center !important;
    padding: 10px !important;
  }

  .modal-imagen-contenido {
    width: 100%;
    max-width: 100%;
    max-height: 90vh;
    border-radius: 16px;
    padding: 48px 10px 10px;
  }

  .btn-cerrar-imagen {
    width: 42px;
    height: 42px;
    top: 8px;
    right: 8px;
    font-size: 26px;
  }

  .imagen-ampliada {
    max-height: 74vh;
  }
}
/* ===== PAGOS EN ESCRITORIO MÁS COMPACTOS ===== */
@media (min-width: 1024px) {
  .pagos-lista {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    align-items: stretch;
  }

  .pago-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 8px;
    height: 100%;
    min-height: 180px;
    padding: 12px;
    border-radius: 14px;
  }

  .pago-card .card-info {
    width: 100%;
    min-width: 0;
  }

  .pago-card .card-info h3 {
    margin: 0 0 8px;
    font-size: 18px;
    line-height: 1.05;
  }

  .pago-card .card-info p {
    margin: 0 0 4px;
    font-size: 12px;
    line-height: 1.2;
  }

  .estado-pill {
    margin-top: 6px;
  }

  .pago-card .card-acciones {
    width: 100%;
    margin-top: auto;
    padding-top: 8px;
    justify-content: stretch;
  }

  .pago-card .btn-editar {
    width: 100%;
    min-height: 36px;
    padding: 7px 10px;
    font-size: 11px;
    border-radius: 10px;
  }
}

/* ===== PAGOS EN PANTALLA MEDIANA ===== */
@media (min-width: 769px) and (max-width: 1023px) {
  .pagos-lista {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    align-items: stretch;
  }

  .pago-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 8px;
    height: 100%;
    min-height: 170px;
    padding: 11px;
  }

  .pago-card .card-info {
    width: 100%;
  }

  .pago-card .card-acciones {
    width: 100%;
    margin-top: auto;
  }

  .pago-card .btn-editar {
    width: 100%;
  }
}