:root {
  --color-fondo: #EFF3F9;
  --color-superficie: #FFFFFF;
  --color-superficie-2: #EEF3FB;
  --color-oscuro: #123E8C;
  --color-texto: #16202E;
  --color-texto-tenue: #64748B;
  --color-primario: #2C7BE5;
  --color-primario-2: #154BA6;
  --gradiente-primario: linear-gradient(135deg, #3B8CF0 0%, #2C7BE5 55%, #154BA6 100%);
  --gradiente-header: linear-gradient(135deg, #2C7BE5 0%, #123E8C 100%);
  --gradiente-avatar: linear-gradient(135deg, #7C6CF0 0%, #2C7BE5 100%);
  --color-primario-hover: #1E6AD4;
  --color-error: #DC2626;
  --color-exito: #16A34A;
  --color-aviso: #D97706;
  --color-azul: #2C7BE5;
  --color-borde: #E2E8F0;
  --ancho-contenido: 720px;
  --radio: 18px;
  --sombra: 0 8px 26px rgba(20, 40, 80, 0.08);
  --glow-primario: 0 8px 22px rgba(44, 123, 229, 0.28);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-fondo);
  color: var(--color-texto);
}

a { color: var(--color-primario); text-decoration: none; }

.icono { width: 20px; height: 20px; flex-shrink: 0; }
.icono-chico { width: 16px; height: 16px; }
.icono-grande { width: 28px; height: 28px; }

h1, h2, h3, h4 { color: var(--color-texto); }

/* ---------- Botones y formularios ---------- */
.btn {
  display: inline-block;
  padding: 13px 22px;
  border-radius: 999px;
  border: none;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  transition: transform .15s ease, filter .15s ease;
}
.btn:active { transform: scale(0.97); }
.btn-primario { background: var(--gradiente-primario); color: #fff; box-shadow: var(--glow-primario); }
.btn-primario:hover { filter: brightness(1.06); }
.btn-secundario { background: var(--color-superficie-2); color: var(--color-texto); border: 1px solid var(--color-borde); }
.btn-secundario:hover { background: #E4EBF7; }
.btn-peligro { background: linear-gradient(135deg, #EF4444, #DC2626); color: #fff; box-shadow: 0 8px 20px rgba(220, 38, 38, 0.22); }
.btn-chico { padding: 9px 16px; font-size: 13px; border-radius: 999px; }

.form { display: flex; flex-direction: column; gap: 16px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 600; color: var(--color-texto-tenue); }
.form input, .form select, .form textarea {
  width: 100%;
  padding: 13px 15px;
  border-radius: 12px;
  border: 1.5px solid #CBD5E1;
  font-size: 15px;
  font-family: inherit;
  background: #FFFFFF;
  color: var(--color-texto);
}
.form input::placeholder, .form textarea::placeholder { color: #94A3B8; }
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none;
  border-color: var(--color-primario);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(44, 123, 229, 0.15);
}
.form-fila { display: flex; gap: 16px; flex-wrap: wrap; }
.form-fila > label { flex: 1; min-width: 180px; }
.form > button, .form > .btn { width: 100%; }

.alerta { padding: 14px 16px; border-radius: 12px; font-size: 14px; margin-bottom: 8px; border: 1px solid transparent; }
.alerta-error { background: #FEECEC; color: #B91C1C; border-color: #FBD5D5; }
.alerta-exito { background: #E9F8EF; color: #15803D; border-color: #C8EDD6; }
.alerta-aviso { background: #FEF3E1; color: #B45309; border-color: #FBE3B8; }

/* ---------- Páginas de login/registro ---------- */
.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
  background: var(--gradiente-header);
}
.auth-card {
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: 24px;
  padding: 36px 28px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 24px 60px rgba(10, 30, 70, 0.25);
  text-align: center;
}
.auth-logo {
  width: 76px;
  height: 76px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--gradiente-avatar);
  color: #fff;
  font-size: 32px;
  font-weight: 800;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 26px rgba(90, 80, 220, 0.35);
}
.auth-card h1 { margin: 0 0 4px; font-size: 24px; }
.auth-subtitle { margin: 0 0 24px; color: var(--color-texto-tenue); }
.auth-card .form { text-align: left; }
.auth-link { margin-top: 20px; text-align: center; font-size: 14px; color: var(--color-texto-tenue); }
.tabs { display: flex; gap: 8px; margin-bottom: 22px; border-bottom: 1px solid var(--color-borde); }
.tab { flex: 1; text-align: center; padding: 10px; color: var(--color-texto-tenue); font-weight: 600; border-bottom: 3px solid transparent; }
.tab-activo { color: var(--color-primario); border-bottom-color: var(--color-primario); }

/* ---------- Topbar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--gradiente-header);
  color: #fff;
}
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.14);
  border: none;
  border-radius: 10px;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  flex-shrink: 0;
}
.topbar-titulo {
  font-weight: 700;
  font-size: 15px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.topbar-titulo small { display: block; font-weight: 400; opacity: .8; font-size: 12px; }
.topbar-acciones { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.topbar-icono-btn {
  position: relative;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  color: #fff;
  flex-shrink: 0;
}
.topbar-icono-btn .icono { width: 19px; height: 19px; }
.topbar-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background: #EF4444;
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  min-width: 16px;
  height: 16px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  padding: 0 3px;
  border: 2px solid var(--color-primario-2);
}

/* ---------- Cajón lateral (drawer con overlay) ---------- */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 20, 40, 0.45);
  z-index: 70;
}
.sidebar-backdrop.abierto { display: block; }

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 270px;
  background: var(--color-superficie);
  overflow-y: auto;
  z-index: 80;
  transform: translateX(-100%);
  transition: transform .22s ease;
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 40px rgba(0,0,0,0.25);
}
.sidebar.abierto { transform: translateX(0); }

.sidebar-header {
  background: var(--gradiente-avatar);
  padding: 24px 20px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.sidebar-header-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  font-weight: 800;
  font-size: 20px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border: 2px solid rgba(255, 255, 255, 0.4);
}
.sidebar-header-nombre { color: #fff; font-weight: 800; font-size: 15px; line-height: 1.3; }
.sidebar-header-rol { color: rgba(255, 255, 255, 0.8); font-size: 12px; text-transform: capitalize; margin-top: 2px; }

.sidebar ul { list-style: none; margin: 0; padding: 12px; flex: 1; }
.sidebar li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  color: #475569;
  font-weight: 500;
  margin-bottom: 2px;
}
.sidebar li a .icono { color: inherit; opacity: .85; }
.sidebar li a.activo {
  background: #EAF1FD;
  color: var(--color-primario-2);
  font-weight: 700;
}
.sidebar li a.activo .icono { opacity: 1; }
.sidebar li a:hover { background: var(--color-superficie-2); color: var(--color-texto); }
.sidebar li a.salir { color: var(--color-error); }
.sidebar-version { padding: 10px 20px 18px; font-size: 11px; color: #94A3B8; }

.contenido { padding: 22px 18px 100px; max-width: 1100px; margin: 0 auto; }
@media (min-width: 640px) { .contenido { padding: 28px 28px 100px; } }

/* ---------- Tarjetas / dashboard ---------- */
.grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 28px; }
.card {
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: var(--radio);
  padding: 20px;
  box-shadow: var(--sombra);
}
.card-metric .valor { font-size: 30px; font-weight: 800; color: var(--color-primario-2); }
.card-metric .etiqueta { color: var(--color-texto-tenue); font-size: 13px; margin-top: 4px; }

/* ---------- Filas de métricas con ícono circular de color ---------- */
.grid-filas { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; margin-bottom: 28px; }
.fila-metrica {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: 999px;
  padding: 10px 18px 10px 10px;
  box-shadow: var(--sombra);
}
.fila-icono {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.fila-icono .icono { width: 20px; height: 20px; }
.fila-texto { flex: 1; min-width: 0; }
.fila-texto .etiqueta { font-size: 13px; color: var(--color-texto-tenue); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fila-valor { font-size: 20px; font-weight: 800; flex-shrink: 0; }

.fila-roja .fila-icono { background: #FEECEC; color: #DC2626; }
.fila-roja .fila-valor { color: #DC2626; }
.fila-naranja .fila-icono { background: #FEF3E1; color: #D97706; }
.fila-naranja .fila-valor { color: #D97706; }
.fila-azul .fila-icono { background: #E7F0FE; color: #2C7BE5; }
.fila-azul .fila-valor { color: #2C7BE5; }
.fila-verde .fila-icono { background: #E9F8EF; color: #16A34A; }
.fila-verde .fila-valor { color: #16A34A; }

.tabla { width: 100%; border-collapse: collapse; background: var(--color-superficie); border: 1px solid var(--color-borde); border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra); }
.tabla th, .tabla td { padding: 13px 14px; text-align: left; border-bottom: 1px solid var(--color-borde); font-size: 14px; }
.tabla th { background: var(--color-superficie-2); font-weight: 700; color: var(--color-texto-tenue); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.tabla tr:last-child td { border-bottom: none; }
.tabla tr:hover td { background: #FAFBFD; }

.badge { display: inline-block; padding: 5px 12px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.badge-verde { background: #E9F8EF; color: #15803D; }
.badge-naranja { background: #FEF3E1; color: #B45309; }
.badge-rojo { background: #FEECEC; color: #B91C1C; }
.badge-gris { background: #EEF1F5; color: #64748B; }

.aviso-flotante {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  color: var(--color-texto);
  padding: 14px 18px;
  border-radius: 14px;
  box-shadow: var(--sombra);
  max-width: 92%;
  width: 480px;
  z-index: 40;
}

/* ---------- Banner GRANDE de instalación como app (PWA) ---------- */
#zeusPwaOverlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(10, 20, 40, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.zeus-pwa-card {
  background: var(--color-superficie);
  border-radius: 24px;
  padding: 36px 28px;
  width: 100%;
  max-width: 380px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(10, 30, 70, 0.35);
}
.zeus-pwa-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--gradiente-avatar);
  color: #fff;
  font-size: 34px;
  font-weight: 800;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 26px rgba(90, 80, 220, 0.35);
}
.zeus-pwa-card h2 { margin: 0 0 10px; font-size: 22px; color: var(--color-texto); }
.zeus-pwa-card p { margin: 0 0 22px; color: var(--color-texto-tenue); font-size: 15px; line-height: 1.4; }
.zeus-pwa-botones { display: flex; flex-direction: column; gap: 10px; }
.zeus-pwa-btn-instalar { width: 100%; font-size: 16px; padding: 14px; }
.zeus-pwa-btn-cerrar { background: none; border: none; color: var(--color-texto-tenue); padding: 8px; cursor: pointer; font-size: 14px; }

/* ---------- Encabezado de página (título + fecha) ---------- */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.page-header h1 { margin: 0 0 4px; font-size: 24px; letter-spacing: -0.01em; }
.subtitulo { margin: 0; color: var(--color-texto-tenue); font-size: 14px; }
.subtitulo strong { color: var(--color-texto); }
.date-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--sombra);
  white-space: nowrap;
}

.codigo-destacado {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--color-primario-2);
  margin: 4px 0 0;
}

/* ---------- Tarjeta de estado de membresía / cuota ---------- */
.alerta-membresia {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  background: var(--color-superficie);
  border: 1px solid var(--color-borde);
  border-left: 4px solid var(--color-error);
  border-radius: var(--radio);
  padding: 18px 20px;
  margin-bottom: 24px;
  box-shadow: var(--sombra);
}
.alerta-membresia.estado-por_vencer { border-left-color: var(--color-aviso); }
.alerta-membresia.estado-activa { border-left-color: var(--color-exito); }
.alerta-membresia-texto strong { display: block; font-size: 16px; margin-bottom: 2px; color: var(--color-texto); }
.alerta-membresia-texto p { margin: 0; color: var(--color-texto-tenue); font-size: 14px; }
.alerta-membresia .btn { flex-shrink: 0; }

/* ---------- Modal ---------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 20, 40, 0.5);
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.abierto { display: flex; }
.modal-card {
  background: var(--color-superficie);
  border-radius: 24px;
  padding: 28px 26px;
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(10, 30, 70, 0.35);
}
.modal-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 6px; gap: 12px; }
.modal-header h2 { margin: 0 0 4px; font-size: 20px; }
.modal-subtitulo { margin: 0; color: var(--color-texto-tenue); font-size: 14px; }
.modal-cerrar {
  background: none;
  border: none;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  color: var(--color-texto-tenue);
  padding: 2px 4px;
  flex-shrink: 0;
}
.modal-botones { display: flex; justify-content: flex-end; gap: 10px; margin-top: 4px; }
.datos-pago-box {
  background: var(--color-superficie-2);
  border: 1px solid var(--color-borde);
  border-radius: 14px;
  padding: 16px 18px;
  margin-top: 22px;
  font-size: 14px;
}
.datos-pago-box h4 {
  margin: 0 0 10px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-texto-tenue);
  font-weight: 700;
}
.datos-pago-box p { margin: 4px 0; color: var(--color-texto); }

/* Ancho estándar compartido por formularios/tarjetas y tablas */
.ancho-estandar { max-width: var(--ancho-contenido); margin-left: auto; margin-right: auto; }
.tabla-wrap {
  max-width: var(--ancho-contenido);
  margin-left: auto;
  margin-right: auto;
  overflow-x: auto;
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  margin-bottom: 12px;
}
.tabla-wrap .tabla { box-shadow: none; min-width: 560px; }

/* ---------- Barra de navegación inferior con botón central destacado ---------- */
.tabbar-mobile {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  background: var(--color-superficie);
  border-top: 1px solid var(--color-borde);
  padding: 8px 6px calc(8px + env(safe-area-inset-bottom));
  display: flex;
  justify-content: space-around;
  align-items: center;
  box-shadow: 0 -6px 20px rgba(20, 40, 80, 0.06);
}
.tabbar-mobile a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  color: #94A3B8;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 12px;
  flex: 1;
}
.tabbar-mobile a.activo { color: var(--color-primario-2); }
.tabbar-mobile a .icono { width: 21px; height: 21px; }
.tabbar-mobile a.tabbar-central {
  margin-top: -30px;
}
.tabbar-mobile a.tabbar-central .fila-icono-central {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--gradiente-primario);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 22px rgba(44, 123, 229, 0.4);
  border: 4px solid var(--color-superficie);
}
.tabbar-mobile a.tabbar-central .fila-icono-central .icono { width: 24px; height: 24px; }
.tabbar-mobile a.tabbar-central.activo .fila-icono-central { filter: brightness(1.1); }

/* ---------- Campo de formulario con ícono (login/registro) ---------- */
.campo-icono { position: relative; width: 100%; }
.campo-icono .icono {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-texto-tenue);
  pointer-events: none;
}
.campo-icono input { padding-left: 42px !important; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .alerta-membresia { flex-direction: column; align-items: stretch; }
  .alerta-membresia .btn { width: 100%; }
  .page-header { flex-direction: column; }
  .date-pill { align-self: flex-start; }
}