.topbar {
  grid-template-columns: auto 1fr !important;
  position: relative;
}

.menu-toggle {
  grid-column: 2;
  justify-self: end;
  width: 46px;
  height: 46px;
  display: grid;
  place-content: center;
  gap: 5px;
  padding: 0;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

.menu-toggle:hover,
.menu-toggle:focus-visible {
  background: rgba(255, 255, 255, 0.11);
}

.menu-toggle span {
  width: 22px;
  height: 2px;
  display: block;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.topbar .nav-links {
  position: absolute;
  top: calc(100% - 0.35rem);
  right: 0;
  z-index: 20;
  width: min(260px, calc(100vw - 2rem));
  display: grid;
  gap: 0.25rem;
  padding: 0.55rem;
  background: rgba(20, 23, 32, 0.98);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}

.topbar .nav-links.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.topbar .nav-links a {
  padding: 0.7rem 0.8rem;
  border-radius: 6px;
}

.topbar .nav-links a:hover,
.topbar .nav-links a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  opacity: 1;
}