:root {
  --af-primary: #4338ca;
  --af-primary-dark: #3730a3;
  --af-secondary: #0ea5e9;
  --af-bg: #f4f5fb;
  --af-sidebar-width: 250px;
}

body {
  background-color: var(--af-bg);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* ---------- Navbar ---------- */
.app-navbar {
  background: linear-gradient(90deg, var(--af-primary), var(--af-primary-dark));
}

/* ---------- Layout ---------- */
.app-wrapper {
  display: flex;
  min-height: calc(100vh - 110px);
}

.app-content {
  flex: 1;
  min-width: 0;
}

/* ---------- Sidebar ---------- */
.app-sidebar {
  width: var(--af-sidebar-width);
  background: #fff;
  border-right: 1px solid #e5e7eb;
  flex-shrink: 0;
}

.sidebar-link {
  color: #374151;
  border-radius: .5rem;
  padding: .6rem .9rem;
  margin-bottom: .15rem;
  font-size: .95rem;
  transition: background-color .15s ease, color .15s ease;
}

.sidebar-link:hover {
  background-color: #eef2ff;
  color: var(--af-primary);
}

.sidebar-link.active {
  background-color: var(--af-primary);
  color: #fff;
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 1030;
}

/* ---------- Responsive sidebar (mobile) ---------- */
@media (max-width: 991.98px) {
  .app-wrapper.con-sidebar .app-sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 1040;
    transform: translateX(-100%);
    transition: transform .25s ease;
    box-shadow: 2px 0 12px rgba(0,0,0,.15);
  }
  .app-wrapper.con-sidebar.sidebar-abierta .app-sidebar {
    transform: translateX(0);
  }
  .app-wrapper.con-sidebar.sidebar-abierta .sidebar-backdrop {
    display: block;
  }
}

/* ---------- Cards / KPIs ---------- */
.card-kpi {
  border: none;
  border-radius: 1rem;
  box-shadow: 0 2px 10px rgba(15, 23, 42, .06);
}

.card-kpi .kpi-icon {
  width: 48px;
  height: 48px;
  border-radius: .75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
}

.bg-af-primary { background-color: var(--af-primary) !important; }
.bg-af-secondary { background-color: var(--af-secondary) !important; }
.bg-af-success { background-color: #16a34a !important; }
.bg-af-warning { background-color: #d97706 !important; }

/* ---------- Árbol de red de afiliados ---------- */
.arbol-red ul {
  list-style: none;
  padding-left: 1.25rem;
  border-left: 1px dashed #c7d2fe;
}

.arbol-red > ul {
  padding-left: 0;
  border-left: none;
}

.arbol-red li {
  margin: .35rem 0;
  position: relative;
  padding-left: .5rem;
}

.nodo-afiliado {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: .6rem;
  padding: .35rem .7rem;
  font-size: .9rem;
}

/* ---------- Auth pages ---------- */
.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--af-primary), var(--af-secondary));
  padding: 1.5rem;
}

.auth-card {
  border: none;
  border-radius: 1.25rem;
  box-shadow: 0 15px 35px rgba(0,0,0,.25);
  max-width: 460px;
  width: 100%;
}

.copy-link-box {
  background: #eef2ff;
  border: 1px dashed var(--af-primary);
  border-radius: .6rem;
  padding: .6rem .9rem;
  word-break: break-all;
  font-size: .9rem;
}

@media (max-width: 575.98px) {
  .auth-card { border-radius: .9rem; }
}

/* ---------- Landing de servicios (panel cliente) ---------- */
.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
  z-index: 1050;
  transition: transform .15s ease;
}

.whatsapp-float:hover {
  color: #fff;
  transform: scale(1.08);
}

.servicio-card {
  border: none;
  border-radius: 1rem;
  box-shadow: 0 2px 10px rgba(15, 23, 42, .06);
  height: 100%;
  transition: transform .15s ease, box-shadow .15s ease;
}

.servicio-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(15, 23, 42, .12);
}

.servicio-icono {
  width: 54px;
  height: 54px;
  border-radius: .85rem;
  background: #eef2ff;
  color: var(--af-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.promo-card {
  border: 1px dashed var(--af-secondary);
  border-radius: .9rem;
  background: #f0f9ff;
}

.tienda-info-card {
  border: none;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--af-primary), var(--af-primary-dark));
  color: #fff;
}