.main-nav .nav-item > .nav-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  display: block;
  color: #767aa8;
  opacity: .92;
}

.main-nav .nav-item:hover > .nav-icon,
.main-nav .nav-item.active > .nav-icon {
  color: #5f4de2;
  opacity: 1;
}

/* Sidebar navigation scale: aligned with the approved visual reference. */
.main-nav {
  gap: 6px;
}

.main-nav .nav-item {
  height: 50px;
  padding: 0 12px;
  gap: 11px;
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -.15px;
}

.main-nav .nav-item > .nav-icon {
  /* Source artwork includes a generous 128px canvas, so the box needs
     to be larger than the text size for their visible shapes to balance. */
  width: 31px;
  height: 31px;
  flex-basis: 31px;
}

.main-nav .nav-item > b {
  min-width: 29px;
  min-height: 29px;
  display: grid;
  place-items: center;
  padding: 0 7px;
  border-radius: 999px;
  font-size: 14px;
  line-height: 1;
}