/* Inventario KAIDREX - estilos
   Paleta: azul #3D5AFE, navy #06070C, blanco #FFFFFF, gris #999999 */

:root {
  --azul: #3D5AFE;
  --navy: #06070C;
  --blanco: #FFFFFF;
  --gris: #999999;
  --gris-claro: #F2F3F7;
  --borde: #E4E6ED;
  --peligro: #D64545;
  --exito: #2E9E5B;
  --radio: 14px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }

/* Regla de refuerzo: el atributo hidden SIEMPRE gana, sin importar
   la especificidad de reglas por #id (ej. #pantalla-app { display:flex }).
   Sin esto, la barra inferior y las pantallas internas se filtran
   por encima del login aunque el elemento tenga el atributo hidden. */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--gris-claro);
  color: var(--navy);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px; /* evita zoom automatico de Safari en inputs */
  -webkit-tap-highlight-color: transparent;
}

button, input, select {
  font-family: inherit;
  font-size: 16px;
}

.pantalla { min-height: 100vh; }

/* ---------- Login ---------- */
#pantalla-login, #pantalla-cambiar-password {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  padding: 24px;
  padding-top: calc(24px + var(--safe-top));
  padding-bottom: calc(24px + var(--safe-bottom));
}

.login-caja {
  width: 100%;
  max-width: 380px;
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 28px 24px;
  text-align: center;
}

.login-logo { width: 56px; height: 56px; border-radius: 12px; margin-bottom: 12px; }

.login-caja h1 { margin: 0 0 4px; font-size: 22px; }
.login-sub { color: var(--gris); margin: 0 0 20px; font-size: 14px; }

.login-caja form { text-align: left; display: flex; flex-direction: column; gap: 14px; }

label { font-size: 13px; font-weight: 600; color: var(--navy); display: flex; flex-direction: column; gap: 6px; }

input[type="text"], input[type="password"], input[type="search"], input[type="number"], select {
  border: 1px solid var(--borde);
  border-radius: 10px;
  padding: 13px 14px;
  min-height: 46px;
  background: var(--blanco);
  color: var(--navy);
  width: 100%;
}

input:focus, select:focus { outline: 2px solid var(--azul); outline-offset: 1px; }

/* ---------- Botones ---------- */
.btn {
  min-height: 46px;
  padding: 12px 20px;
  border-radius: 10px;
  border: none;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
}
.btn-primario { background: var(--azul); color: var(--blanco); }
.btn-secundario { background: var(--gris-claro); color: var(--navy); border: 1px solid var(--borde); }
.btn-peligro { background: var(--blanco); color: var(--peligro); border: 1px solid var(--peligro); }
.btn-ancho { width: 100%; }

.btn-icono {
  background: transparent;
  border: none;
  color: var(--blanco);
  font-size: 20px;
  min-width: 44px;
  min-height: 44px;
  cursor: pointer;
}

.mensaje-error {
  color: var(--peligro);
  font-size: 13px;
  font-weight: 600;
  margin: 0;
}

.mensaje-vacio { color: var(--gris); text-align: center; padding: 40px 20px; font-size: 14px; }

/* ---------- App shell ---------- */
#pantalla-app { display: flex; flex-direction: column; height: 100vh; }

.app-header {
  background: var(--navy);
  color: var(--blanco);
  padding: 14px 18px;
  padding-top: calc(14px + var(--safe-top));
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.app-header h1 { margin: 0; font-size: 18px; }

.filtros-barra {
  display: flex;
  gap: 8px;
  padding: 12px 14px;
  background: var(--blanco);
  border-bottom: 1px solid var(--borde);
  flex-shrink: 0;
}
.filtros-barra select { flex: 1; }

.campo-buscador {
  flex: 1.3;
  position: relative;
  display: flex;
  align-items: center;
}
.campo-buscador .icono-svg {
  position: absolute;
  left: 12px;
  color: var(--gris);
  pointer-events: none;
}
.campo-buscador input { padding-left: 36px; width: 100%; }

.lista-items {
  flex: 1;
  overflow-y: auto;
  padding: 10px 14px calc(90px + var(--safe-bottom));
  -webkit-overflow-scrolling: touch;
}

.grupo-categoria { margin-bottom: 18px; }
.grupo-categoria-titulo {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gris);
  font-weight: 700;
  margin: 0 0 8px 4px;
}

.item-card {
  background: var(--blanco);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  border: 1px solid var(--borde);
}
.item-card:active { background: var(--gris-claro); }

.item-info { min-width: 0; }
.item-nombre { font-weight: 700; font-size: 15px; word-break: break-word; }
.item-categoria-tag { font-size: 12px; color: var(--gris); margin-top: 2px; }

.item-cantidad {
  flex-shrink: 0;
  background: var(--azul);
  color: var(--blanco);
  font-weight: 800;
  font-size: 14px;
  min-width: 34px;
  height: 34px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 8px;
}

/* ---------- Barra inferior ---------- */
.barra-inferior {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--blanco);
  border-top: 1px solid var(--borde);
  display: flex;
  padding: 8px 10px calc(8px + var(--safe-bottom));
  gap: 8px;
  z-index: 10;
}

.btn-inferior {
  flex: 1;
  background: transparent;
  border: none;
  min-height: 56px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 12px;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
}
.btn-inferior .icono { font-size: 20px; }

.btn-inferior-principal {
  background: var(--azul);
  color: var(--blanco);
}

/* ---------- Modales (.mbg / .mbg.on) ---------- */
.mbg {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6, 7, 12, 0.55);
  z-index: 100;
  align-items: flex-end;
  justify-content: center;
}
.mbg.on { display: flex; }

.modal-caja {
  background: var(--blanco);
  width: 100%;
  max-width: 480px;
  border-radius: 18px 18px 0 0;
  padding: 20px 20px calc(20px + var(--safe-bottom));
  max-height: 88vh;
  overflow-y: auto;
}

@media (min-width: 560px) {
  .mbg { align-items: center; }
  .modal-caja { border-radius: 18px; }
}

.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.modal-header h2 { margin: 0; font-size: 18px; }
.btn-cerrar { background: var(--gris-claro); border: none; border-radius: 999px; width: 32px; height: 32px; font-size: 15px; cursor: pointer; }

#form-item, #form-nueva-categoria { display: flex; flex-direction: column; gap: 14px; }

.modal-acciones { display: flex; gap: 10px; justify-content: flex-end; }
.modal-acciones .btn-peligro { margin-right: auto; }

.lista-categorias { list-style: none; margin: 16px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.categoria-fila {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--gris-claro);
  border-radius: 10px;
  padding: 10px 12px;
}
.categoria-fila-nombre { font-weight: 600; flex: 1; }
.categoria-fila-acciones { display: flex; gap: 6px; }
.categoria-fila-acciones button {
  background: transparent;
  border: none;
  font-size: 16px;
  min-width: 34px;
  min-height: 34px;
  cursor: pointer;
}

.exportar-opciones { display: flex; flex-direction: column; gap: 12px; }
.exportar-nota { font-size: 12px; color: var(--gris); margin: 0; }
.exportar-opciones hr { border: none; border-top: 1px solid var(--borde); margin: 4px 0; }

/* ---------- Vista de impresion (generada por JS) ---------- */
.vista-impresion { display: none; }

@media print {
  #pantalla-login, #pantalla-cambiar-password, #pantalla-app, .mbg {
    display: none !important;
  }
  .vista-impresion {
    display: block !important;
  }
}

.reporte-pdf { padding: 20px; font-family: Arial, Helvetica, sans-serif; color: #000; }
.reporte-pdf h1 { font-size: 16pt; margin: 0 0 4px; }
.reporte-pdf .reporte-fecha { font-size: 9pt; color: #555; margin: 0 0 18px; }
.reporte-pdf h2 { font-size: 12pt; margin: 16px 0 6px; border-bottom: 1px solid #000; padding-bottom: 3px; }
.reporte-pdf table { width: 100%; border-collapse: collapse; margin-bottom: 6px; }
.reporte-pdf td { font-size: 10pt; padding: 3px 4px; border-bottom: 1px solid #ddd; }
.reporte-pdf td.col-cant { width: 40px; font-weight: 700; }

.etiqueta-pdf {
  width: 50mm;
  height: 80mm;
  padding: 3mm;
  font-family: Arial, Helvetica, sans-serif;
  color: #000;
}
.etiqueta-pdf .etiqueta-titulo {
  font-size: 7pt;
  font-weight: 700;
  text-transform: uppercase;
  border-bottom: 0.5pt solid #000;
  padding-bottom: 1.5mm;
  margin-bottom: 1.5mm;
  word-break: break-word;
}
.etiqueta-pdf table { width: 100%; border-collapse: collapse; }
.etiqueta-pdf td { font-size: 5pt; line-height: 1.35; padding: 0.4mm 0; vertical-align: top; }
.etiqueta-pdf td.col-cant { width: 5mm; font-weight: 700; }

@page { margin: 10mm; }
@page etiqueta { size: 50mm 80mm; margin: 0; }
.etiqueta-pdf { page: etiqueta; }

/* ---------- Iconos de linea (estilo Iconify line-md) ---------- */
.icono-svg {
  width: 20px;
  height: 20px;
  display: block;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.15s ease;
}
.icono-svg-sm { width: 17px; height: 17px; }

.btn-icono:active .icono-svg,
.btn-inferior:active .icono-svg,
.btn-cerrar:active .icono-svg,
.icono-accion:active .icono-svg {
  transform: scale(0.82);
}

.icono-accion {
  background: transparent;
  border: none;
  padding: 6px;
  min-width: 34px;
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  cursor: pointer;
}
.icono-accion.icono-peligro { color: var(--peligro); }

/* Flecha del icono de exportar: rebote suave continuo */
@keyframes icono-exportar-rebote {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(3px); }
}
.icono-exportar .flecha-animada {
  animation: icono-exportar-rebote 1.6s ease-in-out infinite;
  transform-origin: center;
}

/* Trazo del tag: se "dibuja" una vez al aparecer */
@keyframes icono-dibujar {
  from { stroke-dashoffset: 48; }
  to { stroke-dashoffset: 0; }
}
.icono-tag path {
  stroke-dasharray: 48;
  animation: icono-dibujar 0.7s ease forwards;
}

/* Boton de mostrar/ocultar contrasena dentro del input */
.campo-password { position: relative; }
.campo-password input { padding-right: 42px; }
.btn-ver-password {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  padding: 8px;
  color: var(--gris);
  cursor: pointer;
  display: flex;
}
.btn-ver-password .icono-svg { width: 19px; height: 19px; }