/* ---------- <ule-nav> y navegación responsive ---------- */
ule-nav {
  display: block;
}

/* Sticky: el header vive dentro de <ule-nav> */
ule-nav > header,
body > header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-fondo);
  box-shadow: var(--shadow-card);
  transform: translateY(0);
  transition: transform 0.3s ease;
}

ule-nav > header.header--hidden,
body > header.header--hidden {
  transform: translateY(-100%);
}

ule-nav > header.header--visible,
body > header.header--visible {
  transform: translateY(0);
}

.nav {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-block: var(--space-md);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0.4rem;
  background: transparent;
  color: var(--color-texto);
  border: 1px solid color-mix(in srgb, var(--color-texto) 25%, transparent);
  border-radius: var(--radius-sm);
}

.nav__toggle:hover {
  background-color: color-mix(in srgb, var(--color-texto) 8%, transparent);
}

.nav__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
}

.nav__panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm) var(--space-md);
  flex: 1;
  min-width: 0;
}

.nav__lista {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: var(--space-xs) var(--space-md);
  flex: 1;
}

.nav__acciones {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-inline-start: auto;
}

.nav__user {
  font-size: var(--fs-anotacion);
  font-weight: 500;
  color: var(--color-principal-texto);
  max-width: 10rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav__auth {
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--color-principal-texto) 40%, transparent);
  color: var(--color-principal-texto);
  font-weight: 500;
  cursor: pointer;
}

.nav__auth:hover {
  background-color: color-mix(in srgb, var(--color-principal) 10%, transparent);
  color: var(--color-principal-texto);
}

/* Mobile: menú colapsable */
@media (max-width: 767px) {
  .nav__toggle {
    display: inline-flex;
    order: 2;
  }

  .nav__panel {
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    order: 3;
    padding-block-start: var(--space-sm);
    border-top: 1px solid color-mix(in srgb, var(--color-texto) 12%, transparent);
  }

  .nav.nav--open .nav__panel {
    display: flex;
  }

  .nav__lista {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }

  .nav__lista .nav__link {
    display: block;
    padding: var(--space-sm) var(--space-sm);
  }

  .nav__acciones {
    margin-inline-start: 0;
    width: 100%;
    padding-block: var(--space-sm);
    border-top: 1px solid color-mix(in srgb, var(--color-texto) 10%, transparent);
  }

  .nav__user {
    max-width: none;
  }

  .theme-toggle {
    margin-inline-start: auto;
  }
}