/* ==========================================================================
   Sistema de Suscripciones - CSS mobile-first (sin frameworks externos)
   ========================================================================== */

:root {
  --color-primario: #1e3a5f;
  --color-primario-claro: #2c5282;
  --color-primario-oscuro: #142943;
  --color-acento: #3b82f6;
  --color-exito: #15803d;
  --color-exito-bg: #dcfce7;
  --color-peligro: #b91c1c;
  --color-peligro-bg: #fee2e2;
  --color-aviso: #a16207;
  --color-aviso-bg: #fef3c7;
  --color-info: #0369a1;
  --color-info-bg: #e0f2fe;
  --color-texto: #1f2937;
  --color-texto-suave: #6b7280;
  --color-borde: #e5e7eb;
  --color-fondo: #f4f5f7;
  --color-superficie: #ffffff;
  --radio: 10px;
  --radio-sm: 6px;
  --sombra: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --sombra-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --espacio-1: 4px;
  --espacio-2: 8px;
  --espacio-3: 12px;
  --espacio-4: 16px;
  --espacio-5: 24px;
  --espacio-6: 32px;
  --nav-height: 60px;
  --sidebar-width: 240px;
  --transicion: all 0.2s ease;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-fondo);
  color: var(--color-texto);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0 0 var(--espacio-3); color: var(--color-primario-oscuro); line-height: 1.25; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 var(--espacio-3); }
a { color: var(--color-acento); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
hr { border: none; border-top: 1px solid var(--color-borde); margin: var(--espacio-4) 0; }

.contenedor {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--espacio-4);
}

/* ==========================================================================
   Layout de aplicacion (navbar superior + off-canvas -> sidebar en escritorio)
   ========================================================================== */

.app-shell { min-height: 100vh; display: flex; flex-direction: column; }

.app-navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: var(--color-primario);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--espacio-4);
  z-index: 100;
  box-shadow: var(--sombra);
}

.app-navbar .marca { color: #fff; font-weight: 700; font-size: 1.05rem; display: flex; align-items: center; gap: 8px; }
.app-navbar .marca:hover { text-decoration: none; }

.boton-menu {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: 8px;
  line-height: 1;
  display: flex;
  align-items: center;
}
.boton-menu .icono { width: 24px; height: 24px; }

.app-body { display: flex; flex: 1; margin-top: var(--nav-height); }

.app-sidebar {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  bottom: 0;
  width: 78%;
  max-width: 280px;
  background: var(--color-superficie);
  border-right: 1px solid var(--color-borde);
  transform: translateX(-100%);
  transition: transform 0.25s ease;
  overflow-y: auto;
  z-index: 90;
}

.app-sidebar.abierto { transform: translateX(0); box-shadow: var(--sombra-lg); }

.app-sidebar nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px var(--espacio-4);
  color: var(--color-texto);
  border-bottom: 1px solid #f2f2f2;
  border-right: 3px solid transparent;
  transition: var(--transicion);
}
.app-sidebar nav a:hover { background: var(--color-fondo); text-decoration: none; transform: translateX(2px); }
.app-sidebar nav a.activo { background: #eaf1fb; color: var(--color-primario); font-weight: 600; border-right-color: var(--color-primario); }
.app-sidebar nav a .icono { width: 20px; height: 20px; flex-shrink: 0; }

.overlay-fondo {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 80;
  display: none;
}
.overlay-fondo.visible { display: block; }

.app-contenido {
  flex: 1;
  min-width: 0;
  padding: var(--espacio-4);
  padding-bottom: 90px;
}

/* Navegacion inferior fija en movil */
.tabbar-movil {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--color-superficie);
  border-top: 1px solid var(--color-borde);
  display: flex;
  z-index: 95;
  box-shadow: 0 -2px 8px rgba(0,0,0,0.06);
}
.tabbar-movil a {
  flex: 1;
  text-align: center;
  padding: 8px 2px 6px;
  font-size: 0.68rem;
  color: var(--color-texto-suave);
}
.tabbar-movil a.activo { color: var(--color-primario); font-weight: 600; }
.tabbar-movil .icono { width: 22px; height: 22px; display: block; margin: 0 auto 2px; }

@media (min-width: 768px) {
  .boton-menu { display: none; }
  .app-sidebar {
    position: fixed;
    transform: none;
    width: var(--sidebar-width);
    max-width: var(--sidebar-width);
  }
  .app-contenido { margin-left: var(--sidebar-width); padding: var(--espacio-6); padding-bottom: var(--espacio-6); }
  .tabbar-movil { display: none; }
  .overlay-fondo { display: none !important; }
}

/* ==========================================================================
   Iconos (SVG en linea, sin dependencias externas)
   ========================================================================== */

.icono { width: 18px; height: 18px; flex-shrink: 0; vertical-align: middle; }

/* ==========================================================================
   Menu de usuario (desplegable en la barra superior)
   ========================================================================== */

.menu-usuario { position: relative; }

.menu-usuario-boton {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: 6px 4px;
  font-size: 0.85rem;
  font-family: inherit;
}
.menu-usuario-boton .icono-usuario { width: 22px; height: 22px; opacity: 0.9; }
.menu-usuario-nombre {
  max-width: 90px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.menu-usuario-boton .icono-chevron { width: 16px; height: 16px; transition: transform 0.2s ease; }
.menu-usuario-boton[aria-expanded="true"] .icono-chevron { transform: rotate(180deg); }

.menu-usuario-lista {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 210px;
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  box-shadow: var(--sombra-lg);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  z-index: 110;
}
.menu-usuario-lista.abierto { opacity: 1; visibility: visible; transform: translateY(0); }
.menu-usuario-lista a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radio-sm);
  color: var(--color-texto);
  font-size: 0.88rem;
  transition: var(--transicion);
}
.menu-usuario-lista a:hover { background: var(--color-fondo); text-decoration: none; padding-left: 15px; }
.menu-usuario-lista .icono { width: 17px; height: 17px; color: var(--color-texto-suave); }
.menu-usuario-lista hr { border: none; border-top: 1px solid var(--color-borde); margin: 6px 4px; }

@media (min-width: 480px) {
  .menu-usuario-nombre { max-width: 160px; }
}

/* ==========================================================================
   Tarjetas / paneles
   ========================================================================== */

@keyframes entrada-suave {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

.tarjeta {
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: var(--espacio-5);
  margin-bottom: var(--espacio-4);
  animation: entrada-suave 0.35s ease both;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.tarjeta:hover { box-shadow: var(--sombra-lg); }
.app-contenido .tarjeta:nth-of-type(1) { animation-delay: 0.02s; }
.app-contenido .tarjeta:nth-of-type(2) { animation-delay: 0.06s; }
.app-contenido .tarjeta:nth-of-type(3) { animation-delay: 0.1s; }
.app-contenido .tarjeta:nth-of-type(4) { animation-delay: 0.14s; }
.tarjeta-cabecera {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--espacio-3);
  margin-bottom: var(--espacio-4);
  flex-wrap: wrap;
}
.tarjeta-cabecera h2, .tarjeta-cabecera h3 { margin: 0; }

.rejilla-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--espacio-3);
  margin-bottom: var(--espacio-4);
}
@media (min-width: 640px) {
  .rejilla-stats { grid-template-columns: repeat(4, 1fr); }
}
.stat {
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  padding: var(--espacio-4);
  box-shadow: var(--sombra);
  animation: entrada-suave 0.35s ease both;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.stat:hover { transform: translateY(-3px); box-shadow: var(--sombra-lg); }
.rejilla-stats .stat:nth-child(1) { animation-delay: 0.02s; }
.rejilla-stats .stat:nth-child(2) { animation-delay: 0.06s; }
.rejilla-stats .stat:nth-child(3) { animation-delay: 0.1s; }
.rejilla-stats .stat:nth-child(4) { animation-delay: 0.14s; }
.stat .valor { font-size: 1.6rem; font-weight: 700; color: var(--color-primario); transition: color 0.2s ease; }
.stat .etiqueta { color: var(--color-texto-suave); font-size: 0.8rem; }

/* ==========================================================================
   Formularios
   ========================================================================== */

.form-grupo { margin-bottom: var(--espacio-4); }
.form-grupo label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 6px;
  color: var(--color-texto);
}
.form-ayuda { font-size: 0.78rem; color: var(--color-texto-suave); margin-top: 4px; }
.form-error { font-size: 0.78rem; color: var(--color-peligro); margin-top: 4px; }

input[type="text"], input[type="email"], input[type="password"], input[type="number"],
input[type="tel"], input[type="date"], input[type="file"], select, textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--color-borde);
  border-radius: var(--radio-sm);
  font-size: 15px;
  background: #fff;
  color: var(--color-texto);
  font-family: inherit;
  transition: var(--transicion);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-acento);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
textarea { resize: vertical; min-height: 90px; }

.campo-con-icono { position: relative; }
.campo-con-icono input { padding-right: 44px; }
.boton-ojo {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
  padding: 6px 8px;
  color: var(--color-texto-suave);
  display: flex;
  align-items: center;
}
.boton-ojo:hover { color: var(--color-texto); }
.boton-ojo .icono { width: 19px; height: 19px; }
.boton-ojo .icono-ocultar { display: none; }
.boton-ojo.activo .icono-mostrar { display: none; }
.boton-ojo.activo .icono-ocultar { display: block; }

.form-fila { display: grid; grid-template-columns: 1fr; gap: var(--espacio-3); }
@media (min-width: 640px) {
  .form-fila.cols-2 { grid-template-columns: 1fr 1fr; }
  .form-fila.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
}

.checkbox-linea { display: flex; align-items: center; gap: 8px; }
.checkbox-linea input { width: auto; }

/* ==========================================================================
   Botones
   ========================================================================== */

.boton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 20px;
  border-radius: var(--radio-sm);
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transicion);
  line-height: 1.2;
}
.boton:hover { text-decoration: none; filter: brightness(0.95); }
.boton:active { transform: scale(0.98); }
.boton-bloque { width: 100%; }
.boton-sm { padding: 7px 14px; font-size: 0.8rem; }

.boton-primario { background: var(--color-primario); color: #fff; }
.boton-secundario { background: #fff; color: var(--color-primario); border-color: var(--color-primario); }
.boton-peligro { background: var(--color-peligro); color: #fff; }
.boton-exito { background: var(--color-exito); color: #fff; }
.boton-texto { background: none; color: var(--color-acento); padding: 6px 8px; }

/* ==========================================================================
   Tablas (responsive: colapsan a tarjetas en movil)
   ========================================================================== */

.tabla-envoltorio { overflow-x: auto; }
table.tabla-datos { width: 100%; border-collapse: collapse; background: #fff; }
table.tabla-datos th, table.tabla-datos td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-borde);
  font-size: 0.88rem;
}
table.tabla-datos th { color: var(--color-texto-suave); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; }
table.tabla-datos tbody tr { transition: background-color 0.15s ease; }
table.tabla-datos tbody tr:hover { background-color: var(--color-fondo); }

@media (max-width: 639px) {
  table.tabla-responsive thead { display: none; }
  table.tabla-responsive, table.tabla-responsive tbody, table.tabla-responsive tr, table.tabla-responsive td { display: block; width: 100%; }
  table.tabla-responsive tr { border: 1px solid var(--color-borde); border-radius: var(--radio-sm); margin-bottom: var(--espacio-3); padding: 6px 12px; }
  table.tabla-responsive td { border-bottom: none; padding: 8px 0; display: flex; justify-content: space-between; gap: 8px; text-align: right; }
  table.tabla-responsive td::before { content: attr(data-label); font-weight: 600; color: var(--color-texto-suave); text-align: left; }
}

/* ==========================================================================
   Metodos de pago
   ========================================================================== */

.rejilla-metodos-pago {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--espacio-3);
}
@media (min-width: 640px) {
  .rejilla-metodos-pago { grid-template-columns: repeat(2, 1fr); }
}
.metodo-pago {
  border: 1px solid var(--color-borde);
  border-radius: var(--radio-sm);
  padding: var(--espacio-4);
  background: var(--color-fondo);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.metodo-pago:hover { box-shadow: var(--sombra); transform: translateY(-2px); }
.metodo-pago-titulo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--color-primario);
  margin-bottom: 8px;
}
.metodo-pago-titulo .icono { width: 20px; height: 20px; }
.metodo-pago-qr { max-width: 130px; border-radius: 8px; border: 1px solid var(--color-borde); margin-top: 4px; }

/* ==========================================================================
   Insignias / estados
   ========================================================================== */

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.badge-exito { background: var(--color-exito-bg); color: var(--color-exito); }
.badge-peligro { background: var(--color-peligro-bg); color: var(--color-peligro); }
.badge-aviso { background: var(--color-aviso-bg); color: var(--color-aviso); }
.badge-info { background: var(--color-info-bg); color: var(--color-info); }
.badge-neutro { background: #e5e7eb; color: #374151; }

/* ==========================================================================
   Alertas / mensajes flash
   ========================================================================== */

.alerta {
  padding: 12px 16px;
  border-radius: var(--radio-sm);
  margin-bottom: var(--espacio-4);
  font-size: 0.9rem;
  border: 1px solid transparent;
}
.alerta-exito { background: var(--color-exito-bg); color: var(--color-exito); border-color: #bbf7d0; }
.alerta-peligro { background: var(--color-peligro-bg); color: var(--color-peligro); border-color: #fecaca; }
.alerta-aviso { background: var(--color-aviso-bg); color: var(--color-aviso); border-color: #fde68a; }
.alerta-info { background: var(--color-info-bg); color: var(--color-info); border-color: #bae6fd; }

/* ==========================================================================
   Paginas de autenticacion (login, registro, instalador)
   ========================================================================== */

.pagina-auth {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--espacio-4);
  background: linear-gradient(160deg, var(--color-primario) 0%, var(--color-primario-oscuro) 100%);
}
.auth-tarjeta {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: var(--radio);
  box-shadow: var(--sombra-lg);
  padding: var(--espacio-6) var(--espacio-5);
}
.auth-tarjeta h1 { text-align: center; font-size: 1.3rem; }
.auth-tarjeta .subtitulo { text-align: center; color: var(--color-texto-suave); margin-bottom: var(--espacio-5); font-size: 0.88rem; }
.auth-enlaces { text-align: center; margin-top: var(--espacio-4); font-size: 0.85rem; }

/* ==========================================================================
   Instalador
   ========================================================================== */

.instalador-wrap { max-width: 640px; margin: 0 auto; padding: var(--espacio-5) var(--espacio-4); }
.pasos-instalador { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: var(--espacio-5); }
.paso-item {
  flex: 1;
  min-width: 70px;
  text-align: center;
  font-size: 0.68rem;
  padding: 6px 4px;
  border-radius: var(--radio-sm);
  background: #e5e7eb;
  color: var(--color-texto-suave);
}
.paso-item.activo { background: var(--color-primario); color: #fff; font-weight: 700; }
.paso-item.completo { background: var(--color-exito-bg); color: var(--color-exito); }

.lista-requisitos { list-style: none; padding: 0; margin: 0; }
.lista-requisitos li {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-borde);
  font-size: 0.9rem;
}

/* ==========================================================================
   Utilidades
   ========================================================================== */

.flex { display: flex; }
.flex-centro { display: flex; align-items: center; justify-content: center; }
.flex-entre { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.texto-centro { text-align: center; }
.texto-suave { color: var(--color-texto-suave); }
.texto-pequeno { font-size: 0.8rem; }
.oculto-movil { display: none; }
@media (min-width: 768px) { .oculto-movil { display: initial; } }
.oculto-escritorio { display: initial; }
@media (min-width: 768px) { .oculto-escritorio { display: none; } }
.ancho-completo { width: 100%; }
.vacio-estado { text-align: center; padding: var(--espacio-6) var(--espacio-4); color: var(--color-texto-suave); }
.vacio-estado .icono-grande { font-size: 2.4rem; margin-bottom: var(--espacio-3); }

/* ==========================================================================
   Impresion de facturas
   ========================================================================== */

@media print {
  .app-navbar, .app-sidebar, .tabbar-movil, .overlay-fondo, .no-imprimir { display: none !important; }
  .app-contenido { margin: 0 !important; padding: 0 !important; }
  body { background: #fff; }
}