/* Bottom Navigation Bar */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--bg-surface, #ffffff);
  border-top: 1px solid var(--color-off-white, #EBEDF7);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.bottom-nav__inner {
  width: 100%;
  max-width: 640px;
  display: flex;
  align-items: stretch;
  justify-content: space-around;
  height: 64px;
}

.bottom-nav__tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  flex: 1;
  text-decoration: none;
  color: var(--text-muted, #8D909F);
  padding: 0.5rem 0;
  transition: color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}

.bottom-nav__tab::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 50%;
  height: 2px;
  background-color: var(--color-primary, #3F51B5);
  border-radius: 0 0 2px 2px;
  transition: transform 0.2s ease;
}

.bottom-nav__tab--active {
  color: var(--color-primary, #3F51B5);
}

.bottom-nav__tab--active::before {
  transform: translateX(-50%) scaleX(1);
}

.bottom-nav__tab:active {
  opacity: 0.7;
}

.bottom-nav__icon {
  width: 24px;
  height: 24px;
}

.bottom-nav__label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1;
}