.observe-bottom-nav-ready {
  padding-bottom: calc(104px + env(safe-area-inset-bottom, 0px));
}

.observe-bottom-nav {
  position: fixed;
  left: 50%;
  bottom: max(10px, env(safe-area-inset-bottom, 0px));
  z-index: 80;
  width: min(560px, calc(100vw - 18px));
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--line, rgba(87, 63, 48, 0.14));
  border-radius: 24px;
  background: rgba(255, 251, 245, 0.94);
  box-shadow: 0 18px 44px rgba(68, 45, 30, 0.18);
  transform: translateX(-50%);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.observe-bottom-nav__item {
  display: flex;
  min-width: 0;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border-radius: 18px;
  color: var(--muted, #6f5a49);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.observe-bottom-nav__item:active {
  transform: translateY(1px);
}

.observe-bottom-nav__icon {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
}

.observe-bottom-nav__icon svg {
  display: block;
  width: 21px;
  height: 21px;
  stroke-width: 2.2;
}

.observe-bottom-nav__item[aria-current="page"]:not(.observe-bottom-nav__item--visit) {
  background: rgba(87, 63, 48, 0.08);
  color: var(--text, #3f2e22);
}

.observe-bottom-nav__item--visit {
  background: var(--accent, #a14f2a);
  color: #fff;
  box-shadow: 0 12px 24px rgba(126, 56, 29, 0.24);
}

.observe-bottom-nav__item--visit[aria-current="page"] {
  background: var(--forest, #2e5e4b);
}

@media (min-width: 760px) {
  .observe-bottom-nav-ready {
    padding-bottom: 0;
  }

  .observe-bottom-nav-ready .shell {
    padding-right: 88px;
  }

  .observe-bottom-nav {
    top: 50%;
    right: 16px;
    bottom: auto;
    left: auto;
    width: 76px;
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 8px;
    border-radius: 28px;
    transform: translateY(-50%);
  }

  .observe-bottom-nav__item {
    min-height: 64px;
    flex-direction: column;
    padding: 7px 4px;
    border-radius: 18px;
    font-size: 12px;
  }
}

@media (min-width: 1180px) {
  .observe-bottom-nav-ready .shell {
    padding-right: 0;
  }

  .observe-bottom-nav {
    right: 24px;
  }
}

@media (max-width: 420px) {
  .observe-bottom-nav {
    width: calc(100vw - 12px);
    gap: 3px;
    padding: 6px;
    border-radius: 20px;
  }

  .observe-bottom-nav__item {
    min-height: 56px;
    border-radius: 16px;
    font-size: 10px;
  }

  .observe-bottom-nav__icon {
    width: 20px;
    height: 20px;
  }
}

@media print {
  .observe-bottom-nav {
    display: none;
  }

  .observe-bottom-nav-ready {
    padding-bottom: 0;
  }
}