/* =====================================================
   NEXORA — Paleta de marca (extraída del logo)
   ===================================================== */
:root {
  --nexora-navy-950: #05122b;
  --nexora-navy-900: #081c40;
  --nexora-navy-800: #0b2657;
  --nexora-blue-700: #0b5fc9;
  --nexora-blue-500: #0b7bea;
  --nexora-blue-300: #4fa8f5;
  --nexora-cyan-400: #12d6f0;
  --nexora-cyan-300: #6be9f7;
  --nexora-green-600: #048a49;
  --nexora-green-500: #05ad59;
  --nexora-green-400: #2fd66e;
  --nexora-bg: #f2f5f9;
  --nexora-sidebar-w: 252px;

  --nexora-gradient-sidebar: linear-gradient(190deg, var(--nexora-navy-950) 0%, var(--nexora-navy-900) 45%, var(--nexora-blue-700) 130%);
  --nexora-gradient-brand: linear-gradient(120deg, var(--nexora-blue-700) 0%, var(--nexora-blue-500) 55%, var(--nexora-cyan-400) 120%);
  --nexora-gradient-growth: linear-gradient(120deg, var(--nexora-green-600) 0%, var(--nexora-green-400) 100%);

  /* Reskin de Bootstrap con la identidad de marca */
  --bs-primary: var(--nexora-blue-500);
  --bs-primary-rgb: 11, 123, 234;
  --bs-primary-text-emphasis: var(--nexora-blue-700);
  --bs-primary-bg-subtle: #e3f0fe;
  --bs-primary-border-subtle: #b7dafb;
  --bs-link-color: var(--nexora-blue-500);
  --bs-link-color-rgb: 11, 123, 234;
  --bs-link-hover-color: var(--nexora-navy-800);

  --bs-success: var(--nexora-green-500);
  --bs-success-rgb: 5, 173, 89;
  --bs-success-text-emphasis: var(--nexora-green-600);
  --bs-success-bg-subtle: #e1f7ea;
  --bs-success-border-subtle: #b7ecce;

  --bs-border-radius: .6rem;
  --bs-border-radius-sm: .45rem;
  --bs-border-radius-lg: .85rem;
  --bs-border-radius-xl: 1.1rem;
}

body {
  background-color: var(--nexora-bg);
  color: #1c2b3d;
}

a { text-decoration: none; }

/* Barra de acento superior, presente en todas las pantallas */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--nexora-navy-900), var(--nexora-blue-500), var(--nexora-cyan-400), var(--nexora-green-500));
  z-index: 1040;
}

/* ---------- Layout ---------- */
.nexora-sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  width: var(--nexora-sidebar-w);
  background: var(--nexora-gradient-sidebar);
  color: #fff;
  overflow-y: auto;
  z-index: 1030;
  transition: transform .2s ease-in-out;
  box-shadow: 2px 0 18px rgba(5, 18, 43, .25);
}

.nexora-sidebar .brand-block {
  padding: 1.15rem 1.1rem 1rem;
  display: flex;
  align-items: center;
  gap: .65rem;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  margin-bottom: .5rem;
}

.nexora-sidebar .brand-block img {
  height: 34px;
  width: auto;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, .35));
}

.nexora-sidebar .brand-block .brand-text {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: .05em;
  color: #fff;
  line-height: 1;
}

.nexora-sidebar .brand-block .brand-sub {
  font-size: .62rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--nexora-cyan-300);
  font-weight: 600;
}

.nexora-sidebar .nav-link {
  color: rgba(255, 255, 255, .78);
  border-radius: .55rem;
  margin: .12rem .65rem;
  padding: .55rem .8rem;
  font-size: .92rem;
  display: flex;
  align-items: center;
  border-left: 3px solid transparent;
  transition: background-color .15s ease, color .15s ease;
}

.nexora-sidebar .nav-link i {
  font-size: 1.02rem;
  width: 1.4rem;
}

.nexora-sidebar .nav-link:hover {
  background: rgba(255, 255, 255, .08);
  color: #fff;
}

.nexora-sidebar .nav-link.active {
  background: rgba(18, 214, 240, .16);
  color: #fff;
  border-left-color: var(--nexora-cyan-400);
  font-weight: 600;
}

.nexora-sidebar .nav-section {
  font-size: .66rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .4);
  padding: .9rem 1.15rem .15rem;
  font-weight: 700;
}

.nexora-content {
  margin-left: var(--nexora-sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.nexora-topbar {
  background: #fff;
  border-bottom: 1px solid #e7eaef;
  padding: .65rem 1.4rem;
  position: sticky;
  top: 3px;
  z-index: 1020;
}

.nexora-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--nexora-gradient-brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  letter-spacing: .02em;
}

.nexora-main {
  padding: 1.4rem 1.5rem 2rem;
  flex: 1;
}

.nexora-sidebar-backdrop {
  display: none;
}

@media (max-width: 991.98px) {
  .nexora-sidebar {
    transform: translateX(-100%);
  }
  .nexora-sidebar.show {
    transform: translateX(0);
  }
  .nexora-content {
    margin-left: 0;
  }
  .nexora-sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(5, 18, 43, .5);
    z-index: 1025;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease;
  }
  .nexora-sidebar-backdrop.show {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 767.98px) {
  .nexora-main {
    padding: 1rem .85rem 1.5rem;
  }
  .nexora-topbar {
    padding: .55rem .85rem;
  }
  .nexora-main h4 {
    font-size: 1.15rem;
  }
  .stat-card .stat-icon {
    width: 42px;
    height: 42px;
    font-size: 1.1rem;
  }
  .nexora-avatar {
    width: 32px;
    height: 32px;
    font-size: .75rem;
  }
  .btn {
    font-size: .92rem;
  }
}

@media (max-width: 575.98px) {
  .card-body {
    padding: 1rem;
  }
}

/* ---------- Encabezados de página ---------- */
.nexora-main h4 {
  font-weight: 800;
  color: var(--nexora-navy-900);
  letter-spacing: -.01em;
}

/* ---------- Notificaciones (toasts) ---------- */
.toast-container {
  max-width: calc(100vw - 2rem);
}

.nexora-toast {
  border: none;
  border-left: 4px solid var(--toast-accent, var(--nexora-blue-500));
  border-radius: .75rem;
  box-shadow: 0 12px 30px rgba(8, 28, 64, .18);
  min-width: 300px;
  max-width: 360px;
  background: #fff;
}

.nexora-toast.toast-success { --toast-accent: var(--nexora-green-500); }
.nexora-toast.toast-success .bi { color: var(--nexora-green-500); }
.nexora-toast.toast-error { --toast-accent: #d64545; }
.nexora-toast.toast-error .bi { color: #d64545; }
.nexora-toast.toast-info { --toast-accent: var(--nexora-blue-500); }
.nexora-toast.toast-info .bi { color: var(--nexora-blue-500); }

/* ---------- Modal de confirmación ---------- */
#nexoraConfirmModal .modal-content {
  border: none;
  border-radius: 1rem;
  box-shadow: 0 20px 50px rgba(8, 28, 64, .25);
}


/* ---------- Tarjetas y tablas ---------- */
.card {
  border: 1px solid #e9edf2;
  box-shadow: 0 1px 2px rgba(15, 35, 65, .04);
}

.stat-card {
  border: none;
  border-radius: var(--bs-border-radius-xl);
  box-shadow: 0 4px 16px rgba(8, 28, 64, .07);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--stat-accent, var(--nexora-gradient-brand));
}

.stat-card.accent-growth { --stat-accent: var(--nexora-gradient-growth); }
.stat-card.accent-brand { --stat-accent: var(--nexora-gradient-brand); }
.stat-card.accent-warning { --stat-accent: linear-gradient(120deg, #d98b00, #ffb020); }
.stat-card.accent-danger { --stat-accent: linear-gradient(120deg, #b3261e, #ef5350); }

.stat-card .stat-icon {
  width: 50px;
  height: 50px;
  border-radius: .9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.table-nexora thead th {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: #64748b;
  border-bottom-width: 1px;
  background: #f8fafc;
}

.table-nexora tbody tr:hover {
  background-color: #f5f9ff;
}

.badge-estado-vigente { background-color: #d7f3e3; color: var(--nexora-green-600); }
.badge-estado-vencido { background-color: #fbdada; color: #a3211a; }
.badge-estado-pagado  { background-color: #e3e8ee; color: #48566b; }

/* ---------- Botones ---------- */
.btn {
  font-weight: 600;
  letter-spacing: .01em;
}

.btn-success {
  --bs-btn-bg: var(--nexora-green-500);
  --bs-btn-border-color: var(--nexora-green-500);
  --bs-btn-hover-bg: var(--nexora-green-600);
  --bs-btn-hover-border-color: var(--nexora-green-600);
  --bs-btn-active-bg: var(--nexora-green-600);
  --bs-btn-active-border-color: var(--nexora-green-600);
}

.btn-outline-secondary {
  --bs-btn-color: #48566b;
  --bs-btn-border-color: #cfd8e3;
  --bs-btn-hover-bg: var(--nexora-navy-900);
  --bs-btn-hover-border-color: var(--nexora-navy-900);
}

/* ---------- Login ---------- */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 15% 20%, rgba(18, 214, 240, .25), transparent 40%),
              radial-gradient(circle at 85% 80%, rgba(5, 173, 89, .25), transparent 45%),
              var(--nexora-gradient-sidebar);
  padding: 1.5rem;
}

.login-card {
  border: none;
  border-radius: 1.1rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 50px rgba(2, 10, 25, .35);
}

.login-card .login-logo {
  height: 64px;
  width: auto;
}

/* ---------- Resaltado de diferencias (cuadre) ---------- */
@keyframes nexoraPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(214, 69, 69, 0); }
  25% { box-shadow: 0 0 0 6px rgba(214, 69, 69, .35); }
  50% { box-shadow: 0 0 0 0 rgba(214, 69, 69, 0); }
  75% { box-shadow: 0 0 0 6px rgba(214, 69, 69, .35); }
}

.nexora-pulse {
  animation: nexoraPulse 1.2s ease-in-out 2;
  border-radius: .4rem;
}