/* ============================================================
   Gizmo Galaxy — Portal Navigation (Shared)
   Depends on: assets/css/tokens.css
   ============================================================ */

/* --- Sticky top navbar for all sub-apps --- */
#portalNavbar {
  position: sticky;
  top: 0;
  z-index: 9999;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  height: var(--spacing-11, 44px);
  padding: 0 var(--spacing-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  gap: var(--spacing-3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

#portalNavbar a {
  color: var(--color-accent-light);
  text-decoration: none;
  font-weight: var(--font-bold);
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  transition: opacity var(--duration-fast) var(--ease-smooth);
}

#portalNavbar a:hover {
  opacity: 0.8;
}

/* Theme toggle button */
#portalThemeToggle {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--spacing-1) var(--spacing-2);
  cursor: pointer;
  font-size: 14px;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  transition: all var(--duration-fast) var(--ease-smooth);
  -webkit-tap-highlight-color: transparent;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
}

#portalThemeToggle:hover {
  background: var(--color-surface-hover);
  transform: scale(1.05);
}

/* --- Mobile nav toggle (hamburger) --- */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  padding: var(--spacing-2);
  -webkit-tap-highlight-color: transparent;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.nav-toggle svg {
  width: 22px;
  height: 22px;
}

/* --- Mobile responsive: hide desktop nav, show dropdown --- */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  /* Hide desktop nav containers on mobile */
  #portalNavbar,
  .nav-glass {
    flex-wrap: nowrap;
    position: relative;
  }

  /* Position bubble relative to inner flex container (Pattern A) */
  .nav-glass > div,
  #portalNavbar > div {
    position: relative;
  }

  /* Hide desktop nav-links on mobile, convert to bubble popover when open */
  .nav-glass .nav-links,
  #portalNavbar .nav-links,
  .nav-glass .navbar-links,
  #portalNavbar .navbar-links {
    display: none;
    flex-direction: column;
    min-width: 140px;
    gap: 2px;
    background: var(--color-bg-alt);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 6px 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    position: absolute;
    top: calc(var(--spacing-11, 44px) + 4px);
    right: var(--spacing-3);
    z-index: 9998;
  }

  /* Show dropdown when toggled open */
  .nav-glass .nav-links.is-open,
  #portalNavbar .nav-links.is-open,
  .nav-glass .navbar-links.is-open,
  #portalNavbar .navbar-links.is-open {
    display: flex;
  }

  /* Mobile-friendly nav link sizing */
  .nav-glass .nav-links a,
  #portalNavbar .nav-links a,
  .nav-glass .navbar-links a,
  #portalNavbar .navbar-links a {
    padding: var(--spacing-2) var(--spacing-2);
    min-height: 44px;
    display: flex;
    align-items: center;
  }
}