/* ── Mobile Bottom Navigation ────────────────────────────────── */

.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(3.5rem + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: var(--color-paper);
  border-top: 1px solid var(--border);
  z-index: calc(var(--z-header) - 1);
}

@media (max-width: 767px) {
  .bottom-nav {
    display: flex;
  }

  /* Push page content above the nav bar */
  body {
    padding-bottom: calc(3.5rem + env(safe-area-inset-bottom, 0px));
  }
}

.bottom-nav__list {
  display: flex;
  width: 100%;
  height: 100%;
}

.bottom-nav__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  color: var(--text-muted);
  font-size: 0.6rem;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  position: relative;
  padding-block: 0.5rem;
  transition: color var(--t-fast);
  -webkit-tap-highlight-color: transparent;
}

.bottom-nav__item svg {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.bottom-nav__item.is-active {
  color: var(--color-ink);
}

.bottom-nav__item:hover {
  color: var(--color-ink);
  opacity: 1;
}

/* Active indicator dot */
.bottom-nav__item.is-active::after {
  content: '';
  position: absolute;
  bottom: 0.3rem;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 3px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
}

/* Cart badge */
.bottom-nav__badge {
  position: absolute;
  top: 0.3rem;
  left: 50%;
  transform: translateX(0.4rem) scale(0.6);
  min-width: 0.875rem;
  height: 0.875rem;
  padding-inline: 0.2rem;
  background: var(--color-ink);
  color: var(--color-paper);
  font-size: 0.5rem;
  font-weight: var(--fw-semi);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition:
    opacity   var(--t-fast) var(--ease),
    transform var(--t-fast) var(--ease);
}

.bottom-nav__badge.is-visible {
  opacity: 1;
  transform: translateX(0.4rem) scale(1);
}