@layer modules {
  .topbar {
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 40;
  }

  .topbar__inner {
    align-items: center;
    display: flex;
    gap: var(--block-space);
    padding-block: 0.75rem;
  }

  .topbar__brand {
    align-items: center;
    color: var(--color-ink);
    display: inline-flex;
    font-size: var(--text-lg);
    font-weight: 600;
    gap: 0.5rem;
    letter-spacing: -0.01em;
  }

  .topbar__brand-mark {
    align-items: center;
    border-radius: var(--radius-lg);
    display: inline-flex;
    justify-content: center;
    min-block-size: 2.25rem;
    min-inline-size: 2.25rem;
  }

  .topbar__logo {
    block-size: 1.5rem;
    color: rgb(34, 65, 72);
    inline-size: 1.5rem;
  }

  .topbar__nav {
    align-items: center;
    color: var(--color-ink-muted);
    display: flex;
    font-size: var(--text-sm);
    font-weight: 600;
    gap: 0.35rem;
  }

  .topbar__nav--push {
    margin-left: auto;
  }

  .topbar__link {
    border-radius: var(--radius-md);
    color: inherit;
    padding: 0.45rem 0.75rem;
  }

  .topbar__link:hover {
    background: var(--color-slate-100);
    color: var(--color-ink);
  }

  .topbar__link.is-active {
    background: var(--color-slate-900);
    color: var(--color-white);
  }

  .topbar__actions {
    align-items: center;
    display: flex;
    gap: var(--block-space-half);
    margin-left: auto;
  }

  .topbar__actions--push {
    margin-left: auto;
  }

  .topbar__action-btn {
    align-items: center;
    background: none;
    border: none;
    border-radius: var(--radius-md);
    color: inherit;
    cursor: pointer;
    display: inline-flex;
    justify-content: center;
    padding: 0.4rem;
  }

  .topbar__action-btn:hover {
    background: var(--color-slate-100);
  }

  .topbar__logout-btn {
    align-items: center;
    background: none;
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-rose-600);
    cursor: pointer;
    display: inline-flex;
    font-size: var(--text-sm);
    font-weight: 500;
    gap: 0.25rem;
    justify-content: center;
    padding: 0.4rem 0.5rem;
  }

  .topbar__logout-btn:hover {
    background: var(--color-rose-50);
  }

  .topbar__logout-link {
    align-items: center;
    background: none;
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-rose-600);
    cursor: pointer;
    display: inline-flex;
    font-size: var(--text-sm);
    font-weight: 600;
    gap: 0.25rem;
    justify-content: center;
    padding: 0.45rem 0.75rem;
  }

  .topbar__logout-link:hover {
    background: var(--color-rose-50);
  }

  @media (min-width: 768px) {
    .topbar__actions--push {
      margin-left: auto;
    }
  }

  .nav-desktop {
    display: none;
  }

  .nav-mobile {
    display: block;
  }

  .topbar__actions.nav-mobile {
    display: flex;
  }

  @media (min-width: 768px) {
    .nav-desktop {
      display: flex;
    }

    .nav-mobile,
    .topbar__actions.nav-mobile,
    .update-indicator.nav-mobile {
      display: none;
    }
  }

  .site-footer {
    background: var(--color-emerald-50);
    border-top: none;
    margin-top: clamp(3rem, 8vw, 5rem);
  }

  .site-footer__inner {
    display: flex;
    flex-direction: column;
    gap: var(--block-space-double);
    padding-block: 2.5rem;
  }

  .site-footer__grid {
    display: grid;
    gap: var(--block-space-double);
  }

  .site-footer__links {
    display: grid;
    gap: var(--block-space-double);
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer__legal {
    display: flex;
    flex-direction: column;
    gap: var(--block-space-half);
    font-size: var(--text-xs);
    color: var(--color-ink-muted);
  }

  @media (min-width: 640px) {
    .site-footer__grid {
      align-items: start;
      grid-template-columns: minmax(0, 1fr) auto;
    }

    .site-footer__legal {
      align-items: center;
      flex-direction: row;
      justify-content: space-between;
    }
  }

  .mobile-nav {
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 28px;
    bottom: 12px;
    box-shadow:
      0 8px 32px rgba(0, 0, 0, 0.08),
      0 2px 8px rgba(0, 0, 0, 0.04),
      inset 0 1px 0 rgba(255, 255, 255, 0.6);
    left: 50%;
    padding: 6px;
    position: fixed;
    transform: translateX(-50%);
    width: calc(100% - 24px);
    max-width: 400px;
    z-index: 30;
  }

  .mobile-nav__grid {
    color: var(--color-ink-muted);
    display: grid;
    font-size: 9px;
    font-weight: 500;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 2px;
  }

  .mobile-nav__link {
    align-items: center;
    border-radius: 16px;
    flex-direction: column;
    gap: 1px;
    justify-content: center;
    padding: 6px 2px;
    text-align: center;
    transition: all 0.2s ease;
  }

  .mobile-nav__link:active {
    transform: scale(0.95);
  }

  .mobile-nav__link.is-active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-emerald-600);
  }

  .update-indicator {
    align-items: center;
    cursor: pointer;
    display: inline-flex;
    justify-content: center;
    position: relative;
  }

  .update-indicator__btn {
    align-items: center;
    background: none;
    border: none;
    border-radius: var(--radius-md);
    color: inherit;
    cursor: pointer;
    display: inline-flex;
    justify-content: center;
    padding: 0.4rem;
  }

  .update-indicator__btn:hover {
    background: var(--color-slate-100);
  }

  .update-indicator__dot {
    background: var(--color-emerald-500);
    block-size: 0.5rem;
    border: 2px solid var(--color-white);
    border-radius: 999px;
    inline-size: 0.5rem;
    position: absolute;
    right: 0.1rem;
    top: 0.1rem;
  }

  .update-fab {
    bottom: 1.25rem;
    display: none;
    position: fixed;
    right: 1.25rem;
    z-index: 45;
  }

  @media (min-width: 768px) {
    .update-fab {
      display: block;
    }
  }

  .update-fab__btn {
    align-items: center;
    background: var(--color-slate-900);
    border: none;
    border-radius: 999px;
    block-size: 3rem;
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
    cursor: pointer;
    display: inline-flex;
    inline-size: 3rem;
    justify-content: center;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
  }

  .update-fab__btn:hover {
    box-shadow: var(--shadow-xl, 0 20px 25px -5px rgba(0,0,0,.1));
    transform: scale(1.05);
  }

  .update-fab__dot {
    background: var(--color-emerald-500);
    block-size: 0.6rem;
    border: 2px solid var(--color-slate-900);
    border-radius: 999px;
    inline-size: 0.6rem;
    position: absolute;
    right: 0.15rem;
    top: 0.15rem;
  }

  .update-panel {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    bottom: calc(100% + 0.5rem);
    box-shadow: var(--shadow-lg);
    color: var(--color-ink);
    min-inline-size: 14rem;
    max-inline-size: 18rem;
    padding: 0.75rem;
    position: absolute;
    right: 0;
    z-index: 50;
  }

  .update-panel--down {
    bottom: auto;
    top: calc(100% + 0.5rem);
  }

  .update-panel__header {
    align-items: center;
    display: flex;
    font-size: var(--text-xs);
    font-weight: 600;
    justify-content: space-between;
    margin-block-end: 0.5rem;
  }

  .update-panel__list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    max-block-size: 10rem;
    overflow-y: auto;
  }

  .update-panel__item {
    color: var(--color-ink-subtle);
    font-size: var(--text-xs);
    line-height: 1.4;
  }

  .update-panel__empty {
    color: var(--color-ink-muted);
    font-size: var(--text-xs);
  }

  .update-panel__action {
    border-top: 1px solid var(--color-border);
    margin-block-start: 0.5rem;
    padding-block-start: 0.5rem;
  }

  .toast-stack {
    bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: var(--block-space-half);
    pointer-events: none;
    position: fixed;
    right: 1rem;
    z-index: 50;
  }
}