.tabbar {
  --tabbar-safe-bottom: var(--tabbar-bottom, max(10px, env(safe-area-inset-bottom)));
  position: fixed;
  left: 50%;
  bottom: var(--tabbar-safe-bottom);
  z-index: 8;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  width: min(calc(100% - 24px), calc(var(--content-width, 480px) - 24px));
  padding: 10px 12px 12px;
  transform: translateX(-50%);
  border-radius: 30px;
  background:
    radial-gradient(circle at top center, rgba(255,255,255,0.12), transparent 55%),
    linear-gradient(180deg, rgba(20, 28, 24, 0.96), rgba(9, 14, 11, 0.98));
  border: 1px solid rgba(214, 240, 226, 0.08);
  box-shadow:
    0 22px 50px rgba(5, 10, 8, 0.34),
    inset 0 1px 0 rgba(255,255,255,0.06);
  backdrop-filter: blur(22px);
  transition: transform 180ms ease, opacity 180ms ease;
}

body.is-keyboard-open .tabbar {
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, calc(100% + var(--tabbar-safe-bottom) + 16px));
}

.tabbar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 58px;
  padding: 6px 4px;
  border-radius: 22px;
  color: rgba(216, 228, 221, 0.62);
}

.tabbar__item.is-active {
  background:
    radial-gradient(circle at top left, rgba(173, 244, 198, 0.16), transparent 48%),
    linear-gradient(180deg, rgba(49, 82, 63, 0.94), rgba(28, 46, 36, 0.94));
  color: #d5ffe5;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    0 10px 18px rgba(0,0,0,0.18);
}

.tabbar__icon {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  font-size: 18px;
}

.tabbar__label {
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
}

html[data-theme="dark"] .tabbar {
  background:
    radial-gradient(circle at top center, rgba(255,255,255,0.06), transparent 55%),
    linear-gradient(180deg, rgba(11, 17, 14, 0.98), rgba(6, 10, 8, 0.99));
  border-color: rgba(214, 240, 226, 0.06);
  box-shadow:
    0 22px 50px rgba(0, 0, 0, 0.48),
    inset 0 1px 0 rgba(255,255,255,0.04);
}

@media (max-width: 390px) {
  .tabbar__label {
    font-size: 10px;
  }
}