/* ==========================================================================
   Shell de la aplicación: barra lateral, cabecera y área de contenido.
   ========================================================================== */

.app {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  min-height: 100dvh;
  padding-top: 38px;
}


/* El velo solo existe cuando la barra lateral se convierte en cajón deslizante;
   en escritorio debe salir del flujo para no ocupar una celda de la retícula. */
.nav-scrim {
  display: none;
}

/* --------------------------------------------------------------------------
   Barra lateral
   -------------------------------------------------------------------------- */
.sidebar {
  position: sticky;
  top: 0;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-4);
  border-right: 1px solid var(--border-subtle);
  background: color-mix(in srgb, var(--bg-elevated) 72%, transparent);
  backdrop-filter: blur(20px);
  z-index: 40;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--brand-gradient);
  box-shadow: 0 8px 20px -8px var(--brand-1);
}

.brand__mark svg {
  width: 21px;
  height: 21px;
  color: #fff;
}

.brand__name {
  font-size: var(--text-md);
  font-weight: 680;
  letter-spacing: -0.03em;
}

.brand__tag {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav__label {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nav__item {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 520;
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease),
              background-color var(--duration-fast) var(--ease);
}

.nav__item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.85;
}

.nav__item:hover {
  color: var(--text-primary);
  background: var(--surface-2);
}

.nav__item[aria-current="page"] {
  color: var(--text-primary);
  background: var(--surface-3);
  font-weight: 600;
}

/* Indicador de sección activa. */
.nav__item[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: -var(--space-4);
  left: calc(var(--space-4) * -1);
  top: 50%;
  translate: 0 -50%;
  width: 3px;
  height: 20px;
  border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
  background: var(--brand-gradient);
}

.nav__badge {
  margin-left: auto;
  padding: 1px 7px;
  border-radius: var(--radius-pill);
  background: var(--surface-3);
  border: 1px solid var(--border-subtle);
  font-size: var(--text-xs);
  font-weight: 620;
  color: var(--text-secondary);
}

.sidebar__footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.sidebar__status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--surface-1);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--success) 60%, transparent);
  animation: pulse 2.4s var(--ease) infinite;
}

.pulse-dot--down {
  background: var(--danger);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--danger) 60%, transparent);
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, currentColor 0%, transparent); }
  50%  { box-shadow: 0 0 0 5px color-mix(in srgb, var(--success) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--success) 0%, transparent); }
}

.sidebar__credit {
  padding: 0 var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.sidebar__credit a {
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-default);
  transition: color var(--duration-fast) var(--ease);
}

.sidebar__credit a:hover {
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   Cabecera
   -------------------------------------------------------------------------- */
.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-height: var(--topbar-height);
  padding: var(--space-3) var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
  background: color-mix(in srgb, var(--bg-base) 78%, transparent);
  backdrop-filter: blur(20px);
}

.topbar__menu {
  display: none;
}

.topbar__titles {
  min-width: 0;
}

.topbar__title {
  font-size: var(--text-md);
  font-weight: 640;
  letter-spacing: -0.025em;
}

.topbar__subtitle {
  font-size: var(--text-sm);
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
}

.content {
  flex: 1;
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* --------------------------------------------------------------------------
   Retículas reutilizables
   -------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-4);
}

.grid--kpi {
  grid-template-columns: repeat(auto-fit, minmax(228px, 1fr));
}

.grid--split {
  grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
  align-items: start;
}

.grid--catalog {
  grid-template-columns: repeat(auto-fill, minmax(288px, 1fr));
}

.grid--layers {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.row--between {
  justify-content: space-between;
}

.spacer {
  flex: 1;
}

/* --------------------------------------------------------------------------
   Adaptación a pantallas menores
   -------------------------------------------------------------------------- */
@media (max-width: 1180px) {
  .grid--split {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 960px) {
  .app {
    grid-template-columns: minmax(0, 1fr);
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(84vw, var(--sidebar-width));
    translate: -102% 0;
    transition: translate var(--duration-base) var(--ease);
    box-shadow: var(--shadow-lg);
  }

  .app[data-nav-open="true"] .sidebar {
    translate: 0 0;
  }

  .nav-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 35;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-base) var(--ease), visibility var(--duration-base);
  }

  .app[data-nav-open="true"] .nav-scrim {
    opacity: 1;
    visibility: visible;
  }

  .topbar__menu {
    display: inline-flex;
  }

  .content {
    padding: var(--space-4);
  }

  .topbar {
    padding-inline: var(--space-4);
  }
}

@media (max-width: 620px) {
  .topbar__subtitle {
    display: none;
  }

  .grid--kpi {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}