/* ==========================================================
   Bottom Navigation Component
   ========================================================== */

.nav-bottom {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 5000;
  display: flex;
  background: var(--tg-theme-bg-color);
  border-top: 1px solid var(--tg-theme-section-separator-color);
  padding-bottom: var(--safe-area-bottom);
  height: calc(var(--nav-height) + var(--safe-area-bottom));
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: var(--space-sm) 0;
  color: var(--tg-theme-hint-color);
  font-size: var(--font-xs);
  transition: color var(--transition-fast);
  min-height: 44px;
  text-decoration: none;
}

.nav-item.active {
  color: var(--tg-theme-accent-text-color);
  font-weight: var(--weight-semibold);
}

.nav-icon {
  font-size: 22px;
  line-height: 1;
}

.nav-label {
  line-height: 1;
}