/* ── GLOBAL NAV (BL-73 B2-b: index.html 정본에서 추출) ── */
.global-nav {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 4px;
  flex-shrink: 0; width: 100%;
  background: transparent; color: var(--c-on-header);
  margin-top: 4px;
}
.global-nav-left  { display: flex; align-items: center; gap: 2px; flex: 1; min-width: 0; }
.global-nav-right { display: flex; align-items: center; gap: 2px; flex-shrink: 0; }
.global-nav-item {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 9px; min-height: 38px;
  text-decoration: none; color: inherit;
  font-size: var(--fs-sm); opacity: 0.72; white-space: nowrap;
  border-bottom: 2px solid transparent;
}
.global-nav-item[hidden] { display: none; }
.global-nav-item:hover { background: var(--c-nav-hover); }
.global-nav-item.active { opacity: 1; font-weight: 700; border-bottom-color: var(--c-nav-underline); }
.global-nav-item .nav-icon {
  width: 18px; height: 18px; flex-shrink: 0;
  stroke: currentColor; fill: none; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
}
.global-nav-item.active .nav-icon { color: var(--c-nav-underline); }
.global-nav-item .gn-label { display: none; }
@media (min-width: 640px) { .global-nav-item .gn-label { display: inline; } }