.bottom-nav {
  position: fixed;
  left: 50%;
  bottom: 0;
  z-index: 30;
  width: min(100%, var(--app-max-width));
  transform: translateX(-50%);
  min-height: calc(var(--bottom-nav-height) + var(--safe-bottom));
  padding: 0.38rem 0.65rem calc(0.44rem + var(--safe-bottom));
  border-top: 1px solid color-mix(in srgb, var(--cdx-border) 88%, transparent);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--cdx-surface) 88%, transparent), color-mix(in srgb, var(--cdx-surface) 96%, transparent));
  box-shadow: 0 -14px 36px rgba(15, 23, 42, 0.1);
  backdrop-filter: blur(18px);
}

.bottom-nav-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.bottom-nav-link {
  position: relative;
  min-height: 52px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  gap: 0.16rem;
  color: var(--cdx-muted);
  font-size: 0.72rem;
  font-weight: 850;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.bottom-nav-link::before {
  position: absolute;
  top: 0.28rem;
  width: 16px;
  height: 3px;
  border-radius: var(--radius-pill);
  background: transparent;
  content: "";
  transition: background var(--transition-fast), width var(--transition-fast);
}

.bottom-nav-link:active {
  transform: translateY(1px);
}

.bottom-nav-link .nav-icon {
  width: 23px;
  height: 22px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  font-size: 0.74rem;
  font-weight: 900;
}

.bottom-nav-link.is-active,
.bottom-nav-link[aria-current="page"] {
  background:
    linear-gradient(135deg, rgba(47, 128, 237, 0.14), rgba(32, 169, 139, 0.1)),
    var(--cdx-primary-soft);
  color: var(--cdx-primary-700);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--cdx-primary) 13%, transparent), 0 8px 18px rgba(47, 128, 237, 0.09);
}

.bottom-nav-link.is-active::before,
.bottom-nav-link[aria-current="page"]::before {
  width: 24px;
  background: var(--cdx-secondary);
}