/* Mobile bottom navigation bar */

@media (max-width: 899.98px) {
  :root { --bottom-nav-h: 64px; }

  body {
    /* Keep content above the bar */
    padding-bottom: calc(var(--bottom-nav-h) + env(safe-area-inset-bottom, 0px)) !important;
  }

  .mobile-bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: var(--vvb, 0px);
    height: var(--bottom-nav-h);
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    align-items: center;
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--glass-border);
    z-index: 9990; /* below floating FAB (9999) */
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }

  .mobile-bottom-nav .item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 0;
    color: var(--accent);
  }

  .mobile-bottom-nav .item .i {
    width: 24px;
    height: 24px;
    color: inherit;
  }

  .mobile-bottom-nav .item.is-active {
    color: #fff;
  }

  .mobile-bottom-nav .safe-bottom {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: env(safe-area-inset-bottom, 0px);
    pointer-events: none;
  }

  /* Lift FAB above the bar */
  .floating-actions {
    bottom: calc(var(--vvb, 0px) + var(--bottom-nav-h) + env(safe-area-inset-bottom, 0px) + 16px) !important;
  }
}

@media (min-width: 900px) {
  .mobile-bottom-nav { display: none; }
}