/* Bottom navigation bar — matching SPA style */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  height: var(--tab-bar-height);
  padding: 4px 6px;
  padding-bottom: calc(4px + var(--safe-bottom));
  z-index: 1000;
}

.nav-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 0;
  text-decoration: none;
  color: var(--sage-400, #87A878);
  cursor: pointer;
  transition: color 0.15s;
  -webkit-tap-highlight-color: transparent;
  min-height: 44px;
  min-width: 44px;
  position: relative;
}

.nav-tab:active {
  transform: scale(0.92);
}

.nav-tab.active {
  color: var(--color-accent);
}

.nav-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 1.5px;
}

.nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
}

.nav-icon svg {
  width: 22px;
  height: 22px;
  stroke-width: 1.7;
}

.nav-label {
  font: var(--text-tab);
  font-family: var(--font-body);
  text-align: center;
}


/* Page transitions */
#app {
  transition: opacity 0.2s ease-out, transform 0.2s ease-out;
  padding-top: var(--safe-top);
}

#app.page-hidden {
  opacity: 0;
  transform: translateY(8px);
}

#app.page-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  #app {
    transition: none;
  }
}