:root {
  --azul-institucional: #0b3d63;
  --azul-oscuro: #082a46;
  --dorado: #c9a227;
  --gris-fondo: #f4f6f9;
}

* { box-sizing: border-box; }

body {
  background: var(--gris-fondo);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

.app-sidebar {
  width: 260px;
  background: linear-gradient(180deg, var(--azul-institucional), var(--azul-oscuro));
  color: #fff;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  transition: transform .25s ease;
  z-index: 1030;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: 1.2rem 1.1rem;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.sidebar-brand i { font-size: 1.8rem; color: var(--dorado); }
.sidebar-brand strong { display: block; font-size: 1rem; }
.sidebar-brand small { display: block; opacity: .75; font-size: .72rem; }

.sidebar-nav { padding: .75rem 0; }
.nav-section {
  padding: .9rem 1.1rem .3rem;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  opacity: .55;
  font-weight: 600;
}
.sidebar-nav .nav-link {
  color: rgba(255,255,255,.88);
  padding: .55rem 1.1rem;
  display: flex;
  align-items: center;
  gap: .65rem;
  font-size: .9rem;
  border-left: 3px solid transparent;
}
.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.activo {
  background: rgba(255,255,255,.08);
  border-left-color: var(--dorado);
  color: #fff;
}

.app-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.app-topbar {
  background: #fff;
  border-bottom: 1px solid #e2e6ea;
  padding: .7rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 1020;
}
.topbar-title { font-weight: 600; color: var(--azul-institucional); flex: 1; }
.btn-toggle-sidebar { border: none; background: transparent; font-size: 1.4rem; color: var(--azul-institucional); }

.app-content { padding: 1.5rem; flex: 1; }

.card-modulo {
  background: #fff;
  border: 1px solid #e5e9ee;
  border-radius: .6rem;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}

.badge-estado-PENDIENTE { background:#f0ad4e; color:#3a2a02; }
.badge-estado-PARCIAL { background:#5bc0de; color:#053340; }
.badge-estado-PAGADO { background:#5cb85c; color:#0b2e0b; }
.badge-estado-ANULADO,
.badge-estado-ANULADA { background:#d9534f; color:#fff; }
.badge-estado-EMITIDO,
.badge-estado-ACTIVO,
.badge-estado-VALIDADO,
.badge-estado-CANJEADO,
.badge-estado-APROBADA { background:#5cb85c; color:#0b2e0b; }

.auth-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top left, #0b3d63, #071d30 70%);
}
.auth-card {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border-radius: .75rem;
  padding: 2.2rem;
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
}
.auth-card .brand-icon { font-size: 2.6rem; color: var(--azul-institucional); }

@media (max-width: 991.98px) {
  .app-sidebar { position: fixed; left: 0; transform: translateX(-100%); }
  .app-sidebar.abierto { transform: translateX(0); }
}

.table-responsive-cards { display: none; }
@media (max-width: 767.98px) {
  table.tabla-adaptable thead { display: none; }
  table.tabla-adaptable, table.tabla-adaptable tbody, table.tabla-adaptable tr, table.tabla-adaptable td { display: block; width: 100%; }
  table.tabla-adaptable tr { margin-bottom: .75rem; border: 1px solid #e5e9ee; border-radius: .5rem; padding: .5rem; }
  table.tabla-adaptable td { display: flex; justify-content: space-between; gap: .5rem; padding: .35rem .4rem; border: none; }
  table.tabla-adaptable td::before { content: attr(data-etiqueta); font-weight: 600; color: #555; }
}