/* ============================================================
   Nav Bar — bottom tab navigation
   ============================================================ */

.nav-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: var(--nav-height);
  padding-bottom: var(--safe-bottom);
  background-color: var(--surface-elevated);
  border-top: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-bar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-decoration: none;
  transition:
    color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
  background: none;
  border: none;
}

.nav-bar__item:hover {
  color: var(--text-secondary);
}

.nav-bar__item--active {
  color: var(--brand-gold);
}

.nav-bar__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}