.footer-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  display: grid;
  gap: 2px;
  padding: 7px max(10px, env(safe-area-inset-left)) calc(5px + env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-right));
  background: #ffffff;
  border-top: 1px solid var(--line, #d7dce5);
  box-shadow: 0 -8px 22px rgba(24, 32, 42, 0.08);
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  contain: layout paint;
  will-change: transform;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

.footer-nav-buttons {
  display: grid;
  grid-template-columns: repeat(var(--footer-nav-count, 4), minmax(0, 1fr));
  gap: 4px;
}

.footer-nav-button {
  min-height: 56px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #667085;
  display: grid;
  place-items: center;
  gap: 3px;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 850;
}

.footer-nav-button.active {
  background: #eef4ff;
  color: #1849a9;
}

.nav-icon {
  width: 22px;
  height: 22px;
  display: block;
  background: currentColor;
  -webkit-mask-position: center;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  mask-position: center;
  mask-repeat: no-repeat;
  mask-size: contain;
}

.icon-clock {
  -webkit-mask-image: url("/icons/ui/clock.svg");
  mask-image: url("/icons/ui/clock.svg");
}

.icon-chat {
  -webkit-mask-image: url("/icons/ui/chat.svg");
  mask-image: url("/icons/ui/chat.svg");
}

.icon-school {
  -webkit-mask-image: url("/icons/ui/school.svg");
  mask-image: url("/icons/ui/school.svg");
}

.icon-settings {
  -webkit-mask-image: url("/icons/ui/settings.svg");
  mask-image: url("/icons/ui/settings.svg");
}

.environment-badge {
  min-height: 11px;
  color: #98a2b3;
  font-size: 0.58rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
  user-select: none;
}

@media (min-width: 720px) {
  .footer-nav {
    left: 50%;
    width: min(1040px, 100%);
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    border-inline: 1px solid var(--line, #d7dce5);
  }
}